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2 | a8083063 | Iustin Pop | #
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4 | e7c6e02b | Michael Hanselmann | # Copyright (C) 2006, 2007, 2008 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | 880478f8 | Iustin Pop | """Module implementing the master-side code."""
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23 | a8083063 | Iustin Pop | |
24 | c70d2d9b | Iustin Pop | # pylint: disable-msg=W0201
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25 | c70d2d9b | Iustin Pop | |
26 | c70d2d9b | Iustin Pop | # W0201 since most LU attributes are defined in CheckPrereq or similar
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27 | c70d2d9b | Iustin Pop | # functions
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28 | a8083063 | Iustin Pop | |
29 | a8083063 | Iustin Pop | import os |
30 | a8083063 | Iustin Pop | import os.path |
31 | a8083063 | Iustin Pop | import time |
32 | a8083063 | Iustin Pop | import re |
33 | a8083063 | Iustin Pop | import platform |
34 | ffa1c0dc | Iustin Pop | import logging |
35 | 74409b12 | Iustin Pop | import copy |
36 | a8083063 | Iustin Pop | |
37 | a8083063 | Iustin Pop | from ganeti import ssh |
38 | a8083063 | Iustin Pop | from ganeti import utils |
39 | a8083063 | Iustin Pop | from ganeti import errors |
40 | a8083063 | Iustin Pop | from ganeti import hypervisor |
41 | 6048c986 | Guido Trotter | from ganeti import locking |
42 | a8083063 | Iustin Pop | from ganeti import constants |
43 | a8083063 | Iustin Pop | from ganeti import objects |
44 | 8d14b30d | Iustin Pop | from ganeti import serializer |
45 | 112f18a5 | Iustin Pop | from ganeti import ssconf |
46 | d61df03e | Iustin Pop | |
47 | d61df03e | Iustin Pop | |
48 | a8083063 | Iustin Pop | class LogicalUnit(object): |
49 | 396e1b78 | Michael Hanselmann | """Logical Unit base class.
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50 | a8083063 | Iustin Pop |
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51 | a8083063 | Iustin Pop | Subclasses must follow these rules:
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52 | d465bdc8 | Guido Trotter | - implement ExpandNames
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53 | 6fd35c4d | Michael Hanselmann | - implement CheckPrereq (except when tasklets are used)
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54 | 6fd35c4d | Michael Hanselmann | - implement Exec (except when tasklets are used)
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55 | a8083063 | Iustin Pop | - implement BuildHooksEnv
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56 | a8083063 | Iustin Pop | - redefine HPATH and HTYPE
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57 | 05f86716 | Guido Trotter | - optionally redefine their run requirements:
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58 | 7e55040e | Guido Trotter | REQ_BGL: the LU needs to hold the Big Ganeti Lock exclusively
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59 | 05f86716 | Guido Trotter |
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60 | 05f86716 | Guido Trotter | Note that all commands require root permissions.
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61 | a8083063 | Iustin Pop |
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62 | 20777413 | Iustin Pop | @ivar dry_run_result: the value (if any) that will be returned to the caller
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63 | 20777413 | Iustin Pop | in dry-run mode (signalled by opcode dry_run parameter)
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64 | 20777413 | Iustin Pop |
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65 | a8083063 | Iustin Pop | """
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66 | a8083063 | Iustin Pop | HPATH = None
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67 | a8083063 | Iustin Pop | HTYPE = None
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68 | a8083063 | Iustin Pop | _OP_REQP = [] |
69 | 7e55040e | Guido Trotter | REQ_BGL = True
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70 | a8083063 | Iustin Pop | |
71 | 72737a7f | Iustin Pop | def __init__(self, processor, op, context, rpc): |
72 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
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73 | a8083063 | Iustin Pop |
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74 | 5bbd3f7f | Michael Hanselmann | This needs to be overridden in derived classes in order to check op
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75 | a8083063 | Iustin Pop | validity.
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76 | a8083063 | Iustin Pop |
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77 | a8083063 | Iustin Pop | """
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78 | 5bfac263 | Iustin Pop | self.proc = processor
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79 | a8083063 | Iustin Pop | self.op = op
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80 | 77b657a3 | Guido Trotter | self.cfg = context.cfg
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81 | 77b657a3 | Guido Trotter | self.context = context
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82 | 72737a7f | Iustin Pop | self.rpc = rpc
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83 | ca2a79e1 | Guido Trotter | # Dicts used to declare locking needs to mcpu
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84 | d465bdc8 | Guido Trotter | self.needed_locks = None |
85 | 6683bba2 | Guido Trotter | self.acquired_locks = {}
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86 | c772d142 | Michael Hanselmann | self.share_locks = dict.fromkeys(locking.LEVELS, 0) |
87 | ca2a79e1 | Guido Trotter | self.add_locks = {}
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88 | ca2a79e1 | Guido Trotter | self.remove_locks = {}
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89 | c4a2fee1 | Guido Trotter | # Used to force good behavior when calling helper functions
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90 | c4a2fee1 | Guido Trotter | self.recalculate_locks = {}
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91 | c92b310a | Michael Hanselmann | self.__ssh = None |
92 | 86d9d3bb | Iustin Pop | # logging
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93 | fe267188 | Iustin Pop | self.LogWarning = processor.LogWarning # pylint: disable-msg=C0103 |
94 | fe267188 | Iustin Pop | self.LogInfo = processor.LogInfo # pylint: disable-msg=C0103 |
95 | d984846d | Iustin Pop | self.LogStep = processor.LogStep # pylint: disable-msg=C0103 |
96 | 20777413 | Iustin Pop | # support for dry-run
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97 | 20777413 | Iustin Pop | self.dry_run_result = None |
98 | c92b310a | Michael Hanselmann | |
99 | 6fd35c4d | Michael Hanselmann | # Tasklets
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100 | 3a012b41 | Michael Hanselmann | self.tasklets = None |
101 | 6fd35c4d | Michael Hanselmann | |
102 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
103 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
104 | a8083063 | Iustin Pop | if attr_val is None: |
105 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
106 | 5c983ee5 | Iustin Pop | attr_name, errors.ECODE_INVAL) |
107 | 6fd35c4d | Michael Hanselmann | |
108 | 4be4691d | Iustin Pop | self.CheckArguments()
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109 | a8083063 | Iustin Pop | |
110 | c92b310a | Michael Hanselmann | def __GetSSH(self): |
111 | c92b310a | Michael Hanselmann | """Returns the SshRunner object
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112 | c92b310a | Michael Hanselmann |
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113 | c92b310a | Michael Hanselmann | """
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114 | c92b310a | Michael Hanselmann | if not self.__ssh: |
115 | 6b0469d2 | Iustin Pop | self.__ssh = ssh.SshRunner(self.cfg.GetClusterName()) |
116 | c92b310a | Michael Hanselmann | return self.__ssh |
117 | c92b310a | Michael Hanselmann | |
118 | c92b310a | Michael Hanselmann | ssh = property(fget=__GetSSH)
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119 | c92b310a | Michael Hanselmann | |
120 | 4be4691d | Iustin Pop | def CheckArguments(self): |
121 | 4be4691d | Iustin Pop | """Check syntactic validity for the opcode arguments.
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122 | 4be4691d | Iustin Pop |
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123 | 4be4691d | Iustin Pop | This method is for doing a simple syntactic check and ensure
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124 | 4be4691d | Iustin Pop | validity of opcode parameters, without any cluster-related
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125 | 4be4691d | Iustin Pop | checks. While the same can be accomplished in ExpandNames and/or
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126 | 4be4691d | Iustin Pop | CheckPrereq, doing these separate is better because:
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127 | 4be4691d | Iustin Pop |
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128 | 4be4691d | Iustin Pop | - ExpandNames is left as as purely a lock-related function
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129 | 5bbd3f7f | Michael Hanselmann | - CheckPrereq is run after we have acquired locks (and possible
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130 | 4be4691d | Iustin Pop | waited for them)
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131 | 4be4691d | Iustin Pop |
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132 | 4be4691d | Iustin Pop | The function is allowed to change the self.op attribute so that
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133 | 4be4691d | Iustin Pop | later methods can no longer worry about missing parameters.
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134 | 4be4691d | Iustin Pop |
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135 | 4be4691d | Iustin Pop | """
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136 | 4be4691d | Iustin Pop | pass
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137 | 4be4691d | Iustin Pop | |
138 | d465bdc8 | Guido Trotter | def ExpandNames(self): |
139 | d465bdc8 | Guido Trotter | """Expand names for this LU.
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140 | d465bdc8 | Guido Trotter |
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141 | d465bdc8 | Guido Trotter | This method is called before starting to execute the opcode, and it should
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142 | d465bdc8 | Guido Trotter | update all the parameters of the opcode to their canonical form (e.g. a
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143 | d465bdc8 | Guido Trotter | short node name must be fully expanded after this method has successfully
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144 | d465bdc8 | Guido Trotter | completed). This way locking, hooks, logging, ecc. can work correctly.
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145 | d465bdc8 | Guido Trotter |
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146 | d465bdc8 | Guido Trotter | LUs which implement this method must also populate the self.needed_locks
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147 | d465bdc8 | Guido Trotter | member, as a dict with lock levels as keys, and a list of needed lock names
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148 | d465bdc8 | Guido Trotter | as values. Rules:
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149 | e4376078 | Iustin Pop |
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150 | e4376078 | Iustin Pop | - use an empty dict if you don't need any lock
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151 | e4376078 | Iustin Pop | - if you don't need any lock at a particular level omit that level
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152 | e4376078 | Iustin Pop | - don't put anything for the BGL level
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153 | e4376078 | Iustin Pop | - if you want all locks at a level use locking.ALL_SET as a value
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154 | d465bdc8 | Guido Trotter |
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155 | 3977a4c1 | Guido Trotter | If you need to share locks (rather than acquire them exclusively) at one
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156 | 3977a4c1 | Guido Trotter | level you can modify self.share_locks, setting a true value (usually 1) for
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157 | 3977a4c1 | Guido Trotter | that level. By default locks are not shared.
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158 | 3977a4c1 | Guido Trotter |
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159 | 6fd35c4d | Michael Hanselmann | This function can also define a list of tasklets, which then will be
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160 | 6fd35c4d | Michael Hanselmann | executed in order instead of the usual LU-level CheckPrereq and Exec
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161 | 6fd35c4d | Michael Hanselmann | functions, if those are not defined by the LU.
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162 | 6fd35c4d | Michael Hanselmann |
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163 | e4376078 | Iustin Pop | Examples::
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164 | e4376078 | Iustin Pop |
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165 | e4376078 | Iustin Pop | # Acquire all nodes and one instance
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166 | e4376078 | Iustin Pop | self.needed_locks = {
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167 | e4376078 | Iustin Pop | locking.LEVEL_NODE: locking.ALL_SET,
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168 | e4376078 | Iustin Pop | locking.LEVEL_INSTANCE: ['instance1.example.tld'],
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169 | e4376078 | Iustin Pop | }
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170 | e4376078 | Iustin Pop | # Acquire just two nodes
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171 | e4376078 | Iustin Pop | self.needed_locks = {
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172 | e4376078 | Iustin Pop | locking.LEVEL_NODE: ['node1.example.tld', 'node2.example.tld'],
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173 | e4376078 | Iustin Pop | }
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174 | e4376078 | Iustin Pop | # Acquire no locks
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175 | e4376078 | Iustin Pop | self.needed_locks = {} # No, you can't leave it to the default value None
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176 | d465bdc8 | Guido Trotter |
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177 | d465bdc8 | Guido Trotter | """
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178 | d465bdc8 | Guido Trotter | # The implementation of this method is mandatory only if the new LU is
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179 | d465bdc8 | Guido Trotter | # concurrent, so that old LUs don't need to be changed all at the same
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180 | d465bdc8 | Guido Trotter | # time.
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181 | d465bdc8 | Guido Trotter | if self.REQ_BGL: |
182 | d465bdc8 | Guido Trotter | self.needed_locks = {} # Exclusive LUs don't need locks. |
183 | d465bdc8 | Guido Trotter | else:
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184 | d465bdc8 | Guido Trotter | raise NotImplementedError |
185 | d465bdc8 | Guido Trotter | |
186 | fb8dcb62 | Guido Trotter | def DeclareLocks(self, level): |
187 | fb8dcb62 | Guido Trotter | """Declare LU locking needs for a level
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188 | fb8dcb62 | Guido Trotter |
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189 | fb8dcb62 | Guido Trotter | While most LUs can just declare their locking needs at ExpandNames time,
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190 | fb8dcb62 | Guido Trotter | sometimes there's the need to calculate some locks after having acquired
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191 | fb8dcb62 | Guido Trotter | the ones before. This function is called just before acquiring locks at a
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192 | fb8dcb62 | Guido Trotter | particular level, but after acquiring the ones at lower levels, and permits
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193 | fb8dcb62 | Guido Trotter | such calculations. It can be used to modify self.needed_locks, and by
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194 | fb8dcb62 | Guido Trotter | default it does nothing.
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195 | fb8dcb62 | Guido Trotter |
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196 | fb8dcb62 | Guido Trotter | This function is only called if you have something already set in
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197 | fb8dcb62 | Guido Trotter | self.needed_locks for the level.
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198 | fb8dcb62 | Guido Trotter |
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199 | fb8dcb62 | Guido Trotter | @param level: Locking level which is going to be locked
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200 | fb8dcb62 | Guido Trotter | @type level: member of ganeti.locking.LEVELS
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201 | fb8dcb62 | Guido Trotter |
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202 | fb8dcb62 | Guido Trotter | """
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203 | fb8dcb62 | Guido Trotter | |
204 | a8083063 | Iustin Pop | def CheckPrereq(self): |
205 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
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206 | a8083063 | Iustin Pop |
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207 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
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208 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
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209 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
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210 | a8083063 | Iustin Pop | allowed.
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211 | a8083063 | Iustin Pop |
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212 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
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213 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
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214 | a8083063 | Iustin Pop |
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215 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
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216 | d465bdc8 | Guido Trotter | their canonical form if it hasn't been done by ExpandNames before.
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217 | a8083063 | Iustin Pop |
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218 | a8083063 | Iustin Pop | """
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219 | 3a012b41 | Michael Hanselmann | if self.tasklets is not None: |
220 | b4a9eb66 | Michael Hanselmann | for (idx, tl) in enumerate(self.tasklets): |
221 | abae1b2b | Michael Hanselmann | logging.debug("Checking prerequisites for tasklet %s/%s",
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222 | abae1b2b | Michael Hanselmann | idx + 1, len(self.tasklets)) |
223 | 6fd35c4d | Michael Hanselmann | tl.CheckPrereq() |
224 | 6fd35c4d | Michael Hanselmann | else:
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225 | 6fd35c4d | Michael Hanselmann | raise NotImplementedError |
226 | a8083063 | Iustin Pop | |
227 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
228 | a8083063 | Iustin Pop | """Execute the LU.
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229 | a8083063 | Iustin Pop |
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230 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
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231 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
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232 | a8083063 | Iustin Pop | code, or expected.
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233 | a8083063 | Iustin Pop |
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234 | a8083063 | Iustin Pop | """
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235 | 3a012b41 | Michael Hanselmann | if self.tasklets is not None: |
236 | b4a9eb66 | Michael Hanselmann | for (idx, tl) in enumerate(self.tasklets): |
237 | abae1b2b | Michael Hanselmann | logging.debug("Executing tasklet %s/%s", idx + 1, len(self.tasklets)) |
238 | 6fd35c4d | Michael Hanselmann | tl.Exec(feedback_fn) |
239 | 6fd35c4d | Michael Hanselmann | else:
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240 | 6fd35c4d | Michael Hanselmann | raise NotImplementedError |
241 | a8083063 | Iustin Pop | |
242 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
243 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
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244 | a8083063 | Iustin Pop |
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245 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
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246 | a8083063 | Iustin Pop | containing the environment that will be used for running the
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247 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
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248 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
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249 | a8083063 | Iustin Pop | the hook should run after the execution.
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250 | a8083063 | Iustin Pop |
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251 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
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252 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
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253 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
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254 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
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255 | a8083063 | Iustin Pop |
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256 | 8a3fe350 | Guido Trotter | No nodes should be returned as an empty list (and not None).
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257 | a8083063 | Iustin Pop |
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258 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
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259 | a8083063 | Iustin Pop | not be called.
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260 | a8083063 | Iustin Pop |
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261 | a8083063 | Iustin Pop | """
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262 | a8083063 | Iustin Pop | raise NotImplementedError |
263 | a8083063 | Iustin Pop | |
264 | 7260cfbe | Iustin Pop | # this is valid in this entire class even if added here
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265 | 7260cfbe | Iustin Pop | # pylint: disable-msg=R0201
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266 | 1fce5219 | Guido Trotter | def HooksCallBack(self, phase, hook_results, feedback_fn, lu_result): |
267 | 1fce5219 | Guido Trotter | """Notify the LU about the results of its hooks.
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268 | 1fce5219 | Guido Trotter |
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269 | 1fce5219 | Guido Trotter | This method is called every time a hooks phase is executed, and notifies
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270 | 1fce5219 | Guido Trotter | the Logical Unit about the hooks' result. The LU can then use it to alter
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271 | 1fce5219 | Guido Trotter | its result based on the hooks. By default the method does nothing and the
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272 | 1fce5219 | Guido Trotter | previous result is passed back unchanged but any LU can define it if it
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273 | 1fce5219 | Guido Trotter | wants to use the local cluster hook-scripts somehow.
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274 | 1fce5219 | Guido Trotter |
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275 | e4376078 | Iustin Pop | @param phase: one of L{constants.HOOKS_PHASE_POST} or
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276 | e4376078 | Iustin Pop | L{constants.HOOKS_PHASE_PRE}; it denotes the hooks phase
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277 | e4376078 | Iustin Pop | @param hook_results: the results of the multi-node hooks rpc call
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278 | e4376078 | Iustin Pop | @param feedback_fn: function used send feedback back to the caller
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279 | e4376078 | Iustin Pop | @param lu_result: the previous Exec result this LU had, or None
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280 | e4376078 | Iustin Pop | in the PRE phase
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281 | e4376078 | Iustin Pop | @return: the new Exec result, based on the previous result
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282 | e4376078 | Iustin Pop | and hook results
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283 | 1fce5219 | Guido Trotter |
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284 | 1fce5219 | Guido Trotter | """
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285 | 1fce5219 | Guido Trotter | return lu_result
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286 | 1fce5219 | Guido Trotter | |
287 | 43905206 | Guido Trotter | def _ExpandAndLockInstance(self): |
288 | 43905206 | Guido Trotter | """Helper function to expand and lock an instance.
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289 | 43905206 | Guido Trotter |
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290 | 43905206 | Guido Trotter | Many LUs that work on an instance take its name in self.op.instance_name
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291 | 43905206 | Guido Trotter | and need to expand it and then declare the expanded name for locking. This
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292 | 43905206 | Guido Trotter | function does it, and then updates self.op.instance_name to the expanded
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293 | 43905206 | Guido Trotter | name. It also initializes needed_locks as a dict, if this hasn't been done
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294 | 43905206 | Guido Trotter | before.
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295 | 43905206 | Guido Trotter |
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296 | 43905206 | Guido Trotter | """
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297 | 43905206 | Guido Trotter | if self.needed_locks is None: |
298 | 43905206 | Guido Trotter | self.needed_locks = {}
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299 | 43905206 | Guido Trotter | else:
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300 | 43905206 | Guido Trotter | assert locking.LEVEL_INSTANCE not in self.needed_locks, \ |
301 | 43905206 | Guido Trotter | "_ExpandAndLockInstance called with instance-level locks set"
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302 | 43905206 | Guido Trotter | expanded_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
303 | 43905206 | Guido Trotter | if expanded_name is None: |
304 | 43905206 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
305 | 5c983ee5 | Iustin Pop | self.op.instance_name, errors.ECODE_NOENT)
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306 | 43905206 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = expanded_name
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307 | 43905206 | Guido Trotter | self.op.instance_name = expanded_name
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308 | 43905206 | Guido Trotter | |
309 | a82ce292 | Guido Trotter | def _LockInstancesNodes(self, primary_only=False): |
310 | c4a2fee1 | Guido Trotter | """Helper function to declare instances' nodes for locking.
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311 | c4a2fee1 | Guido Trotter |
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312 | c4a2fee1 | Guido Trotter | This function should be called after locking one or more instances to lock
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313 | c4a2fee1 | Guido Trotter | their nodes. Its effect is populating self.needed_locks[locking.LEVEL_NODE]
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314 | c4a2fee1 | Guido Trotter | with all primary or secondary nodes for instances already locked and
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315 | c4a2fee1 | Guido Trotter | present in self.needed_locks[locking.LEVEL_INSTANCE].
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316 | c4a2fee1 | Guido Trotter |
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317 | c4a2fee1 | Guido Trotter | It should be called from DeclareLocks, and for safety only works if
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318 | c4a2fee1 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] is set.
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319 | c4a2fee1 | Guido Trotter |
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320 | c4a2fee1 | Guido Trotter | In the future it may grow parameters to just lock some instance's nodes, or
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321 | c4a2fee1 | Guido Trotter | to just lock primaries or secondary nodes, if needed.
|
322 | c4a2fee1 | Guido Trotter |
|
323 | e4376078 | Iustin Pop | If should be called in DeclareLocks in a way similar to::
|
324 | c4a2fee1 | Guido Trotter |
|
325 | e4376078 | Iustin Pop | if level == locking.LEVEL_NODE:
|
326 | e4376078 | Iustin Pop | self._LockInstancesNodes()
|
327 | c4a2fee1 | Guido Trotter |
|
328 | a82ce292 | Guido Trotter | @type primary_only: boolean
|
329 | a82ce292 | Guido Trotter | @param primary_only: only lock primary nodes of locked instances
|
330 | a82ce292 | Guido Trotter |
|
331 | c4a2fee1 | Guido Trotter | """
|
332 | c4a2fee1 | Guido Trotter | assert locking.LEVEL_NODE in self.recalculate_locks, \ |
333 | c4a2fee1 | Guido Trotter | "_LockInstancesNodes helper function called with no nodes to recalculate"
|
334 | c4a2fee1 | Guido Trotter | |
335 | c4a2fee1 | Guido Trotter | # TODO: check if we're really been called with the instance locks held
|
336 | c4a2fee1 | Guido Trotter | |
337 | c4a2fee1 | Guido Trotter | # For now we'll replace self.needed_locks[locking.LEVEL_NODE], but in the
|
338 | c4a2fee1 | Guido Trotter | # future we might want to have different behaviors depending on the value
|
339 | c4a2fee1 | Guido Trotter | # of self.recalculate_locks[locking.LEVEL_NODE]
|
340 | c4a2fee1 | Guido Trotter | wanted_nodes = [] |
341 | 6683bba2 | Guido Trotter | for instance_name in self.acquired_locks[locking.LEVEL_INSTANCE]: |
342 | c4a2fee1 | Guido Trotter | instance = self.context.cfg.GetInstanceInfo(instance_name)
|
343 | c4a2fee1 | Guido Trotter | wanted_nodes.append(instance.primary_node) |
344 | a82ce292 | Guido Trotter | if not primary_only: |
345 | a82ce292 | Guido Trotter | wanted_nodes.extend(instance.secondary_nodes) |
346 | 9513b6ab | Guido Trotter | |
347 | 9513b6ab | Guido Trotter | if self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_REPLACE: |
348 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = wanted_nodes
|
349 | 9513b6ab | Guido Trotter | elif self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_APPEND: |
350 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].extend(wanted_nodes)
|
351 | c4a2fee1 | Guido Trotter | |
352 | c4a2fee1 | Guido Trotter | del self.recalculate_locks[locking.LEVEL_NODE] |
353 | c4a2fee1 | Guido Trotter | |
354 | a8083063 | Iustin Pop | |
355 | fe267188 | Iustin Pop | class NoHooksLU(LogicalUnit): # pylint: disable-msg=W0223 |
356 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
|
357 | a8083063 | Iustin Pop |
|
358 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
|
359 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
|
360 | a8083063 | Iustin Pop |
|
361 | a8083063 | Iustin Pop | """
|
362 | a8083063 | Iustin Pop | HPATH = None
|
363 | a8083063 | Iustin Pop | HTYPE = None
|
364 | a8083063 | Iustin Pop | |
365 | fc8a6b8f | Iustin Pop | def BuildHooksEnv(self): |
366 | fc8a6b8f | Iustin Pop | """Empty BuildHooksEnv for NoHooksLu.
|
367 | fc8a6b8f | Iustin Pop |
|
368 | fc8a6b8f | Iustin Pop | This just raises an error.
|
369 | fc8a6b8f | Iustin Pop |
|
370 | fc8a6b8f | Iustin Pop | """
|
371 | fc8a6b8f | Iustin Pop | assert False, "BuildHooksEnv called for NoHooksLUs" |
372 | fc8a6b8f | Iustin Pop | |
373 | a8083063 | Iustin Pop | |
374 | 9a6800e1 | Michael Hanselmann | class Tasklet: |
375 | 9a6800e1 | Michael Hanselmann | """Tasklet base class.
|
376 | 9a6800e1 | Michael Hanselmann |
|
377 | 9a6800e1 | Michael Hanselmann | Tasklets are subcomponents for LUs. LUs can consist entirely of tasklets or
|
378 | 9a6800e1 | Michael Hanselmann | they can mix legacy code with tasklets. Locking needs to be done in the LU,
|
379 | 9a6800e1 | Michael Hanselmann | tasklets know nothing about locks.
|
380 | 9a6800e1 | Michael Hanselmann |
|
381 | 9a6800e1 | Michael Hanselmann | Subclasses must follow these rules:
|
382 | 9a6800e1 | Michael Hanselmann | - Implement CheckPrereq
|
383 | 9a6800e1 | Michael Hanselmann | - Implement Exec
|
384 | 9a6800e1 | Michael Hanselmann |
|
385 | 9a6800e1 | Michael Hanselmann | """
|
386 | 464243a7 | Michael Hanselmann | def __init__(self, lu): |
387 | 464243a7 | Michael Hanselmann | self.lu = lu
|
388 | 464243a7 | Michael Hanselmann | |
389 | 464243a7 | Michael Hanselmann | # Shortcuts
|
390 | 464243a7 | Michael Hanselmann | self.cfg = lu.cfg
|
391 | 464243a7 | Michael Hanselmann | self.rpc = lu.rpc
|
392 | 464243a7 | Michael Hanselmann | |
393 | 9a6800e1 | Michael Hanselmann | def CheckPrereq(self): |
394 | 9a6800e1 | Michael Hanselmann | """Check prerequisites for this tasklets.
|
395 | 9a6800e1 | Michael Hanselmann |
|
396 | 9a6800e1 | Michael Hanselmann | This method should check whether the prerequisites for the execution of
|
397 | 9a6800e1 | Michael Hanselmann | this tasklet are fulfilled. It can do internode communication, but it
|
398 | 9a6800e1 | Michael Hanselmann | should be idempotent - no cluster or system changes are allowed.
|
399 | 9a6800e1 | Michael Hanselmann |
|
400 | 9a6800e1 | Michael Hanselmann | The method should raise errors.OpPrereqError in case something is not
|
401 | 9a6800e1 | Michael Hanselmann | fulfilled. Its return value is ignored.
|
402 | 9a6800e1 | Michael Hanselmann |
|
403 | 9a6800e1 | Michael Hanselmann | This method should also update all parameters to their canonical form if it
|
404 | 9a6800e1 | Michael Hanselmann | hasn't been done before.
|
405 | 9a6800e1 | Michael Hanselmann |
|
406 | 9a6800e1 | Michael Hanselmann | """
|
407 | 9a6800e1 | Michael Hanselmann | raise NotImplementedError |
408 | 9a6800e1 | Michael Hanselmann | |
409 | 9a6800e1 | Michael Hanselmann | def Exec(self, feedback_fn): |
410 | 9a6800e1 | Michael Hanselmann | """Execute the tasklet.
|
411 | 9a6800e1 | Michael Hanselmann |
|
412 | 9a6800e1 | Michael Hanselmann | This method should implement the actual work. It should raise
|
413 | 9a6800e1 | Michael Hanselmann | errors.OpExecError for failures that are somewhat dealt with in code, or
|
414 | 9a6800e1 | Michael Hanselmann | expected.
|
415 | 9a6800e1 | Michael Hanselmann |
|
416 | 9a6800e1 | Michael Hanselmann | """
|
417 | 9a6800e1 | Michael Hanselmann | raise NotImplementedError |
418 | 9a6800e1 | Michael Hanselmann | |
419 | 9a6800e1 | Michael Hanselmann | |
420 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
421 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
|
422 | 83120a01 | Michael Hanselmann |
|
423 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
424 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
425 | e4376078 | Iustin Pop | @type nodes: list
|
426 | e4376078 | Iustin Pop | @param nodes: list of node names or None for all nodes
|
427 | e4376078 | Iustin Pop | @rtype: list
|
428 | e4376078 | Iustin Pop | @return: the list of nodes, sorted
|
429 | e4376078 | Iustin Pop | @raise errors.OpProgrammerError: if the nodes parameter is wrong type
|
430 | 83120a01 | Michael Hanselmann |
|
431 | 83120a01 | Michael Hanselmann | """
|
432 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
433 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'", |
434 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
435 | dcb93971 | Michael Hanselmann | |
436 | ea47808a | Guido Trotter | if not nodes: |
437 | ea47808a | Guido Trotter | raise errors.ProgrammerError("_GetWantedNodes should only be called with a" |
438 | ea47808a | Guido Trotter | " non-empty list of nodes whose name is to be expanded.")
|
439 | dcb93971 | Michael Hanselmann | |
440 | ea47808a | Guido Trotter | wanted = [] |
441 | ea47808a | Guido Trotter | for name in nodes: |
442 | ea47808a | Guido Trotter | node = lu.cfg.ExpandNodeName(name) |
443 | ea47808a | Guido Trotter | if node is None: |
444 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("No such node name '%s'" % name, |
445 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
446 | ea47808a | Guido Trotter | wanted.append(node) |
447 | dcb93971 | Michael Hanselmann | |
448 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
449 | 3312b702 | Iustin Pop | |
450 | 3312b702 | Iustin Pop | |
451 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
452 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
|
453 | 3312b702 | Iustin Pop |
|
454 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
455 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
456 | e4376078 | Iustin Pop | @type instances: list
|
457 | e4376078 | Iustin Pop | @param instances: list of instance names or None for all instances
|
458 | e4376078 | Iustin Pop | @rtype: list
|
459 | e4376078 | Iustin Pop | @return: the list of instances, sorted
|
460 | e4376078 | Iustin Pop | @raise errors.OpPrereqError: if the instances parameter is wrong type
|
461 | e4376078 | Iustin Pop | @raise errors.OpPrereqError: if any of the passed instances is not found
|
462 | 3312b702 | Iustin Pop |
|
463 | 3312b702 | Iustin Pop | """
|
464 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
465 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'", |
466 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
467 | 3312b702 | Iustin Pop | |
468 | 3312b702 | Iustin Pop | if instances:
|
469 | 3312b702 | Iustin Pop | wanted = [] |
470 | 3312b702 | Iustin Pop | |
471 | 3312b702 | Iustin Pop | for name in instances: |
472 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
473 | 3312b702 | Iustin Pop | if instance is None: |
474 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name, |
475 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
476 | 3312b702 | Iustin Pop | wanted.append(instance) |
477 | 3312b702 | Iustin Pop | |
478 | 3312b702 | Iustin Pop | else:
|
479 | a7f5dc98 | Iustin Pop | wanted = utils.NiceSort(lu.cfg.GetInstanceList()) |
480 | a7f5dc98 | Iustin Pop | return wanted
|
481 | dcb93971 | Michael Hanselmann | |
482 | dcb93971 | Michael Hanselmann | |
483 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
484 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
|
485 | 83120a01 | Michael Hanselmann |
|
486 | a2d2e1a7 | Iustin Pop | @type static: L{utils.FieldSet}
|
487 | 31bf511f | Iustin Pop | @param static: static fields set
|
488 | a2d2e1a7 | Iustin Pop | @type dynamic: L{utils.FieldSet}
|
489 | 31bf511f | Iustin Pop | @param dynamic: dynamic fields set
|
490 | 83120a01 | Michael Hanselmann |
|
491 | 83120a01 | Michael Hanselmann | """
|
492 | a2d2e1a7 | Iustin Pop | f = utils.FieldSet() |
493 | 31bf511f | Iustin Pop | f.Extend(static) |
494 | 31bf511f | Iustin Pop | f.Extend(dynamic) |
495 | dcb93971 | Michael Hanselmann | |
496 | 31bf511f | Iustin Pop | delta = f.NonMatching(selected) |
497 | 31bf511f | Iustin Pop | if delta:
|
498 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
499 | 5c983ee5 | Iustin Pop | % ",".join(delta), errors.ECODE_INVAL)
|
500 | dcb93971 | Michael Hanselmann | |
501 | dcb93971 | Michael Hanselmann | |
502 | a5961235 | Iustin Pop | def _CheckBooleanOpField(op, name): |
503 | a5961235 | Iustin Pop | """Validates boolean opcode parameters.
|
504 | a5961235 | Iustin Pop |
|
505 | a5961235 | Iustin Pop | This will ensure that an opcode parameter is either a boolean value,
|
506 | a5961235 | Iustin Pop | or None (but that it always exists).
|
507 | a5961235 | Iustin Pop |
|
508 | a5961235 | Iustin Pop | """
|
509 | a5961235 | Iustin Pop | val = getattr(op, name, None) |
510 | a5961235 | Iustin Pop | if not (val is None or isinstance(val, bool)): |
511 | a5961235 | Iustin Pop | raise errors.OpPrereqError("Invalid boolean parameter '%s' (%s)" % |
512 | 5c983ee5 | Iustin Pop | (name, str(val)), errors.ECODE_INVAL)
|
513 | a5961235 | Iustin Pop | setattr(op, name, val)
|
514 | a5961235 | Iustin Pop | |
515 | a5961235 | Iustin Pop | |
516 | 7736a5f2 | Iustin Pop | def _CheckGlobalHvParams(params): |
517 | 7736a5f2 | Iustin Pop | """Validates that given hypervisor params are not global ones.
|
518 | 7736a5f2 | Iustin Pop |
|
519 | 7736a5f2 | Iustin Pop | This will ensure that instances don't get customised versions of
|
520 | 7736a5f2 | Iustin Pop | global params.
|
521 | 7736a5f2 | Iustin Pop |
|
522 | 7736a5f2 | Iustin Pop | """
|
523 | 7736a5f2 | Iustin Pop | used_globals = constants.HVC_GLOBALS.intersection(params) |
524 | 7736a5f2 | Iustin Pop | if used_globals:
|
525 | 7736a5f2 | Iustin Pop | msg = ("The following hypervisor parameters are global and cannot"
|
526 | 7736a5f2 | Iustin Pop | " be customized at instance level, please modify them at"
|
527 | 1f864b60 | Iustin Pop | " cluster level: %s" % utils.CommaJoin(used_globals))
|
528 | 7736a5f2 | Iustin Pop | raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
|
529 | 7736a5f2 | Iustin Pop | |
530 | 7736a5f2 | Iustin Pop | |
531 | a5961235 | Iustin Pop | def _CheckNodeOnline(lu, node): |
532 | a5961235 | Iustin Pop | """Ensure that a given node is online.
|
533 | a5961235 | Iustin Pop |
|
534 | a5961235 | Iustin Pop | @param lu: the LU on behalf of which we make the check
|
535 | a5961235 | Iustin Pop | @param node: the node to check
|
536 | 733a2b6a | Iustin Pop | @raise errors.OpPrereqError: if the node is offline
|
537 | a5961235 | Iustin Pop |
|
538 | a5961235 | Iustin Pop | """
|
539 | a5961235 | Iustin Pop | if lu.cfg.GetNodeInfo(node).offline:
|
540 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Can't use offline node %s" % node, |
541 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
542 | a5961235 | Iustin Pop | |
543 | a5961235 | Iustin Pop | |
544 | 733a2b6a | Iustin Pop | def _CheckNodeNotDrained(lu, node): |
545 | 733a2b6a | Iustin Pop | """Ensure that a given node is not drained.
|
546 | 733a2b6a | Iustin Pop |
|
547 | 733a2b6a | Iustin Pop | @param lu: the LU on behalf of which we make the check
|
548 | 733a2b6a | Iustin Pop | @param node: the node to check
|
549 | 733a2b6a | Iustin Pop | @raise errors.OpPrereqError: if the node is drained
|
550 | 733a2b6a | Iustin Pop |
|
551 | 733a2b6a | Iustin Pop | """
|
552 | 733a2b6a | Iustin Pop | if lu.cfg.GetNodeInfo(node).drained:
|
553 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Can't use drained node %s" % node, |
554 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
555 | 733a2b6a | Iustin Pop | |
556 | 733a2b6a | Iustin Pop | |
557 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
558 | 67fc3042 | Iustin Pop | memory, vcpus, nics, disk_template, disks, |
559 | 7c4d6c7b | Michael Hanselmann | bep, hvp, hypervisor_name): |
560 | e4376078 | Iustin Pop | """Builds instance related env variables for hooks
|
561 | e4376078 | Iustin Pop |
|
562 | e4376078 | Iustin Pop | This builds the hook environment from individual variables.
|
563 | e4376078 | Iustin Pop |
|
564 | e4376078 | Iustin Pop | @type name: string
|
565 | e4376078 | Iustin Pop | @param name: the name of the instance
|
566 | e4376078 | Iustin Pop | @type primary_node: string
|
567 | e4376078 | Iustin Pop | @param primary_node: the name of the instance's primary node
|
568 | e4376078 | Iustin Pop | @type secondary_nodes: list
|
569 | e4376078 | Iustin Pop | @param secondary_nodes: list of secondary nodes as strings
|
570 | e4376078 | Iustin Pop | @type os_type: string
|
571 | e4376078 | Iustin Pop | @param os_type: the name of the instance's OS
|
572 | 0d68c45d | Iustin Pop | @type status: boolean
|
573 | 0d68c45d | Iustin Pop | @param status: the should_run status of the instance
|
574 | e4376078 | Iustin Pop | @type memory: string
|
575 | e4376078 | Iustin Pop | @param memory: the memory size of the instance
|
576 | e4376078 | Iustin Pop | @type vcpus: string
|
577 | e4376078 | Iustin Pop | @param vcpus: the count of VCPUs the instance has
|
578 | e4376078 | Iustin Pop | @type nics: list
|
579 | 5e3d3eb3 | Guido Trotter | @param nics: list of tuples (ip, mac, mode, link) representing
|
580 | 5e3d3eb3 | Guido Trotter | the NICs the instance has
|
581 | 2c2690c9 | Iustin Pop | @type disk_template: string
|
582 | 5bbd3f7f | Michael Hanselmann | @param disk_template: the disk template of the instance
|
583 | 2c2690c9 | Iustin Pop | @type disks: list
|
584 | 2c2690c9 | Iustin Pop | @param disks: the list of (size, mode) pairs
|
585 | 67fc3042 | Iustin Pop | @type bep: dict
|
586 | 67fc3042 | Iustin Pop | @param bep: the backend parameters for the instance
|
587 | 67fc3042 | Iustin Pop | @type hvp: dict
|
588 | 67fc3042 | Iustin Pop | @param hvp: the hypervisor parameters for the instance
|
589 | 7c4d6c7b | Michael Hanselmann | @type hypervisor_name: string
|
590 | 7c4d6c7b | Michael Hanselmann | @param hypervisor_name: the hypervisor for the instance
|
591 | e4376078 | Iustin Pop | @rtype: dict
|
592 | e4376078 | Iustin Pop | @return: the hook environment for this instance
|
593 | ecb215b5 | Michael Hanselmann |
|
594 | 396e1b78 | Michael Hanselmann | """
|
595 | 0d68c45d | Iustin Pop | if status:
|
596 | 0d68c45d | Iustin Pop | str_status = "up"
|
597 | 0d68c45d | Iustin Pop | else:
|
598 | 0d68c45d | Iustin Pop | str_status = "down"
|
599 | 396e1b78 | Michael Hanselmann | env = { |
600 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
|
601 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
|
602 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
|
603 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
604 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
|
605 | 0d68c45d | Iustin Pop | "INSTANCE_STATUS": str_status,
|
606 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
|
607 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
|
608 | 2c2690c9 | Iustin Pop | "INSTANCE_DISK_TEMPLATE": disk_template,
|
609 | 7c4d6c7b | Michael Hanselmann | "INSTANCE_HYPERVISOR": hypervisor_name,
|
610 | 396e1b78 | Michael Hanselmann | } |
611 | 396e1b78 | Michael Hanselmann | |
612 | 396e1b78 | Michael Hanselmann | if nics:
|
613 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
|
614 | 62f0dd02 | Guido Trotter | for idx, (ip, mac, mode, link) in enumerate(nics): |
615 | 396e1b78 | Michael Hanselmann | if ip is None: |
616 | 396e1b78 | Michael Hanselmann | ip = ""
|
617 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
|
618 | 2c2690c9 | Iustin Pop | env["INSTANCE_NIC%d_MAC" % idx] = mac
|
619 | 62f0dd02 | Guido Trotter | env["INSTANCE_NIC%d_MODE" % idx] = mode
|
620 | 62f0dd02 | Guido Trotter | env["INSTANCE_NIC%d_LINK" % idx] = link
|
621 | 62f0dd02 | Guido Trotter | if mode == constants.NIC_MODE_BRIDGED:
|
622 | 62f0dd02 | Guido Trotter | env["INSTANCE_NIC%d_BRIDGE" % idx] = link
|
623 | 396e1b78 | Michael Hanselmann | else:
|
624 | 396e1b78 | Michael Hanselmann | nic_count = 0
|
625 | 396e1b78 | Michael Hanselmann | |
626 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
|
627 | 396e1b78 | Michael Hanselmann | |
628 | 2c2690c9 | Iustin Pop | if disks:
|
629 | 2c2690c9 | Iustin Pop | disk_count = len(disks)
|
630 | 2c2690c9 | Iustin Pop | for idx, (size, mode) in enumerate(disks): |
631 | 2c2690c9 | Iustin Pop | env["INSTANCE_DISK%d_SIZE" % idx] = size
|
632 | 2c2690c9 | Iustin Pop | env["INSTANCE_DISK%d_MODE" % idx] = mode
|
633 | 2c2690c9 | Iustin Pop | else:
|
634 | 2c2690c9 | Iustin Pop | disk_count = 0
|
635 | 2c2690c9 | Iustin Pop | |
636 | 2c2690c9 | Iustin Pop | env["INSTANCE_DISK_COUNT"] = disk_count
|
637 | 2c2690c9 | Iustin Pop | |
638 | 67fc3042 | Iustin Pop | for source, kind in [(bep, "BE"), (hvp, "HV")]: |
639 | 67fc3042 | Iustin Pop | for key, value in source.items(): |
640 | 67fc3042 | Iustin Pop | env["INSTANCE_%s_%s" % (kind, key)] = value
|
641 | 67fc3042 | Iustin Pop | |
642 | 396e1b78 | Michael Hanselmann | return env
|
643 | 396e1b78 | Michael Hanselmann | |
644 | 96acbc09 | Michael Hanselmann | |
645 | f9b10246 | Guido Trotter | def _NICListToTuple(lu, nics): |
646 | 62f0dd02 | Guido Trotter | """Build a list of nic information tuples.
|
647 | 62f0dd02 | Guido Trotter |
|
648 | f9b10246 | Guido Trotter | This list is suitable to be passed to _BuildInstanceHookEnv or as a return
|
649 | f9b10246 | Guido Trotter | value in LUQueryInstanceData.
|
650 | 62f0dd02 | Guido Trotter |
|
651 | 62f0dd02 | Guido Trotter | @type lu: L{LogicalUnit}
|
652 | 62f0dd02 | Guido Trotter | @param lu: the logical unit on whose behalf we execute
|
653 | 62f0dd02 | Guido Trotter | @type nics: list of L{objects.NIC}
|
654 | 62f0dd02 | Guido Trotter | @param nics: list of nics to convert to hooks tuples
|
655 | 62f0dd02 | Guido Trotter |
|
656 | 62f0dd02 | Guido Trotter | """
|
657 | 62f0dd02 | Guido Trotter | hooks_nics = [] |
658 | 62f0dd02 | Guido Trotter | c_nicparams = lu.cfg.GetClusterInfo().nicparams[constants.PP_DEFAULT] |
659 | 62f0dd02 | Guido Trotter | for nic in nics: |
660 | 62f0dd02 | Guido Trotter | ip = nic.ip |
661 | 62f0dd02 | Guido Trotter | mac = nic.mac |
662 | 62f0dd02 | Guido Trotter | filled_params = objects.FillDict(c_nicparams, nic.nicparams) |
663 | 62f0dd02 | Guido Trotter | mode = filled_params[constants.NIC_MODE] |
664 | 62f0dd02 | Guido Trotter | link = filled_params[constants.NIC_LINK] |
665 | 62f0dd02 | Guido Trotter | hooks_nics.append((ip, mac, mode, link)) |
666 | 62f0dd02 | Guido Trotter | return hooks_nics
|
667 | 396e1b78 | Michael Hanselmann | |
668 | 96acbc09 | Michael Hanselmann | |
669 | 338e51e8 | Iustin Pop | def _BuildInstanceHookEnvByObject(lu, instance, override=None): |
670 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
|
671 | ecb215b5 | Michael Hanselmann |
|
672 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
673 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
674 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
675 | e4376078 | Iustin Pop | @param instance: the instance for which we should build the
|
676 | e4376078 | Iustin Pop | environment
|
677 | e4376078 | Iustin Pop | @type override: dict
|
678 | e4376078 | Iustin Pop | @param override: dictionary with key/values that will override
|
679 | e4376078 | Iustin Pop | our values
|
680 | e4376078 | Iustin Pop | @rtype: dict
|
681 | e4376078 | Iustin Pop | @return: the hook environment dictionary
|
682 | e4376078 | Iustin Pop |
|
683 | ecb215b5 | Michael Hanselmann | """
|
684 | 67fc3042 | Iustin Pop | cluster = lu.cfg.GetClusterInfo() |
685 | 67fc3042 | Iustin Pop | bep = cluster.FillBE(instance) |
686 | 67fc3042 | Iustin Pop | hvp = cluster.FillHV(instance) |
687 | 396e1b78 | Michael Hanselmann | args = { |
688 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
|
689 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
|
690 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
|
691 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
|
692 | 0d68c45d | Iustin Pop | 'status': instance.admin_up,
|
693 | 338e51e8 | Iustin Pop | 'memory': bep[constants.BE_MEMORY],
|
694 | 338e51e8 | Iustin Pop | 'vcpus': bep[constants.BE_VCPUS],
|
695 | f9b10246 | Guido Trotter | 'nics': _NICListToTuple(lu, instance.nics),
|
696 | 2c2690c9 | Iustin Pop | 'disk_template': instance.disk_template,
|
697 | 2c2690c9 | Iustin Pop | 'disks': [(disk.size, disk.mode) for disk in instance.disks], |
698 | 67fc3042 | Iustin Pop | 'bep': bep,
|
699 | 67fc3042 | Iustin Pop | 'hvp': hvp,
|
700 | b0c63e2b | Iustin Pop | 'hypervisor_name': instance.hypervisor,
|
701 | 396e1b78 | Michael Hanselmann | } |
702 | 396e1b78 | Michael Hanselmann | if override:
|
703 | 396e1b78 | Michael Hanselmann | args.update(override) |
704 | 7260cfbe | Iustin Pop | return _BuildInstanceHookEnv(**args) # pylint: disable-msg=W0142 |
705 | 396e1b78 | Michael Hanselmann | |
706 | 396e1b78 | Michael Hanselmann | |
707 | 44485f49 | Guido Trotter | def _AdjustCandidatePool(lu, exceptions): |
708 | ec0292f1 | Iustin Pop | """Adjust the candidate pool after node operations.
|
709 | ec0292f1 | Iustin Pop |
|
710 | ec0292f1 | Iustin Pop | """
|
711 | 44485f49 | Guido Trotter | mod_list = lu.cfg.MaintainCandidatePool(exceptions) |
712 | ec0292f1 | Iustin Pop | if mod_list:
|
713 | ec0292f1 | Iustin Pop | lu.LogInfo("Promoted nodes to master candidate role: %s",
|
714 | 1f864b60 | Iustin Pop | utils.CommaJoin(node.name for node in mod_list)) |
715 | ec0292f1 | Iustin Pop | for name in mod_list: |
716 | ec0292f1 | Iustin Pop | lu.context.ReaddNode(name) |
717 | 44485f49 | Guido Trotter | mc_now, mc_max, _ = lu.cfg.GetMasterCandidateStats(exceptions) |
718 | ec0292f1 | Iustin Pop | if mc_now > mc_max:
|
719 | ec0292f1 | Iustin Pop | lu.LogInfo("Note: more nodes are candidates (%d) than desired (%d)" %
|
720 | ec0292f1 | Iustin Pop | (mc_now, mc_max)) |
721 | ec0292f1 | Iustin Pop | |
722 | ec0292f1 | Iustin Pop | |
723 | 6d7e1f20 | Guido Trotter | def _DecideSelfPromotion(lu, exceptions=None): |
724 | 6d7e1f20 | Guido Trotter | """Decide whether I should promote myself as a master candidate.
|
725 | 6d7e1f20 | Guido Trotter |
|
726 | 6d7e1f20 | Guido Trotter | """
|
727 | 6d7e1f20 | Guido Trotter | cp_size = lu.cfg.GetClusterInfo().candidate_pool_size |
728 | 6d7e1f20 | Guido Trotter | mc_now, mc_should, _ = lu.cfg.GetMasterCandidateStats(exceptions) |
729 | 6d7e1f20 | Guido Trotter | # the new node will increase mc_max with one, so:
|
730 | 6d7e1f20 | Guido Trotter | mc_should = min(mc_should + 1, cp_size) |
731 | 6d7e1f20 | Guido Trotter | return mc_now < mc_should
|
732 | 6d7e1f20 | Guido Trotter | |
733 | 6d7e1f20 | Guido Trotter | |
734 | b165e77e | Guido Trotter | def _CheckNicsBridgesExist(lu, target_nics, target_node, |
735 | b165e77e | Guido Trotter | profile=constants.PP_DEFAULT): |
736 | b165e77e | Guido Trotter | """Check that the brigdes needed by a list of nics exist.
|
737 | b165e77e | Guido Trotter |
|
738 | b165e77e | Guido Trotter | """
|
739 | b165e77e | Guido Trotter | c_nicparams = lu.cfg.GetClusterInfo().nicparams[profile] |
740 | b165e77e | Guido Trotter | paramslist = [objects.FillDict(c_nicparams, nic.nicparams) |
741 | b165e77e | Guido Trotter | for nic in target_nics] |
742 | b165e77e | Guido Trotter | brlist = [params[constants.NIC_LINK] for params in paramslist |
743 | b165e77e | Guido Trotter | if params[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED]
|
744 | b165e77e | Guido Trotter | if brlist:
|
745 | b165e77e | Guido Trotter | result = lu.rpc.call_bridges_exist(target_node, brlist) |
746 | 4c4e4e1e | Iustin Pop | result.Raise("Error checking bridges on destination node '%s'" %
|
747 | 045dd6d9 | Iustin Pop | target_node, prereq=True, ecode=errors.ECODE_ENVIRON)
|
748 | b165e77e | Guido Trotter | |
749 | b165e77e | Guido Trotter | |
750 | b165e77e | Guido Trotter | def _CheckInstanceBridgesExist(lu, instance, node=None): |
751 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
752 | bf6929a2 | Alexander Schreiber |
|
753 | bf6929a2 | Alexander Schreiber | """
|
754 | b165e77e | Guido Trotter | if node is None: |
755 | 29921401 | Iustin Pop | node = instance.primary_node |
756 | b165e77e | Guido Trotter | _CheckNicsBridgesExist(lu, instance.nics, node) |
757 | bf6929a2 | Alexander Schreiber | |
758 | bf6929a2 | Alexander Schreiber | |
759 | c6f1af07 | Iustin Pop | def _CheckOSVariant(os_obj, name): |
760 | f2c05717 | Guido Trotter | """Check whether an OS name conforms to the os variants specification.
|
761 | f2c05717 | Guido Trotter |
|
762 | c6f1af07 | Iustin Pop | @type os_obj: L{objects.OS}
|
763 | c6f1af07 | Iustin Pop | @param os_obj: OS object to check
|
764 | f2c05717 | Guido Trotter | @type name: string
|
765 | f2c05717 | Guido Trotter | @param name: OS name passed by the user, to check for validity
|
766 | f2c05717 | Guido Trotter |
|
767 | f2c05717 | Guido Trotter | """
|
768 | c6f1af07 | Iustin Pop | if not os_obj.supported_variants: |
769 | f2c05717 | Guido Trotter | return
|
770 | f2c05717 | Guido Trotter | try:
|
771 | f2c05717 | Guido Trotter | variant = name.split("+", 1)[1] |
772 | f2c05717 | Guido Trotter | except IndexError: |
773 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("OS name must include a variant", |
774 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
775 | f2c05717 | Guido Trotter | |
776 | c6f1af07 | Iustin Pop | if variant not in os_obj.supported_variants: |
777 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Unsupported OS variant", errors.ECODE_INVAL) |
778 | f2c05717 | Guido Trotter | |
779 | f2c05717 | Guido Trotter | |
780 | 5ba9701d | Michael Hanselmann | def _GetNodeInstancesInner(cfg, fn): |
781 | 5ba9701d | Michael Hanselmann | return [i for i in cfg.GetAllInstancesInfo().values() if fn(i)] |
782 | 5ba9701d | Michael Hanselmann | |
783 | 5ba9701d | Michael Hanselmann | |
784 | e9721add | Michael Hanselmann | def _GetNodeInstances(cfg, node_name): |
785 | e9721add | Michael Hanselmann | """Returns a list of all primary and secondary instances on a node.
|
786 | e9721add | Michael Hanselmann |
|
787 | e9721add | Michael Hanselmann | """
|
788 | e9721add | Michael Hanselmann | |
789 | e9721add | Michael Hanselmann | return _GetNodeInstancesInner(cfg, lambda inst: node_name in inst.all_nodes) |
790 | e9721add | Michael Hanselmann | |
791 | e9721add | Michael Hanselmann | |
792 | 80cb875c | Michael Hanselmann | def _GetNodePrimaryInstances(cfg, node_name): |
793 | 80cb875c | Michael Hanselmann | """Returns primary instances on a node.
|
794 | 80cb875c | Michael Hanselmann |
|
795 | 80cb875c | Michael Hanselmann | """
|
796 | 5ba9701d | Michael Hanselmann | return _GetNodeInstancesInner(cfg,
|
797 | 5ba9701d | Michael Hanselmann | lambda inst: node_name == inst.primary_node)
|
798 | 80cb875c | Michael Hanselmann | |
799 | 80cb875c | Michael Hanselmann | |
800 | 692738fc | Michael Hanselmann | def _GetNodeSecondaryInstances(cfg, node_name): |
801 | 692738fc | Michael Hanselmann | """Returns secondary instances on a node.
|
802 | 692738fc | Michael Hanselmann |
|
803 | 692738fc | Michael Hanselmann | """
|
804 | 5ba9701d | Michael Hanselmann | return _GetNodeInstancesInner(cfg,
|
805 | 5ba9701d | Michael Hanselmann | lambda inst: node_name in inst.secondary_nodes) |
806 | 692738fc | Michael Hanselmann | |
807 | 692738fc | Michael Hanselmann | |
808 | efb8da02 | Michael Hanselmann | def _GetStorageTypeArgs(cfg, storage_type): |
809 | efb8da02 | Michael Hanselmann | """Returns the arguments for a storage type.
|
810 | efb8da02 | Michael Hanselmann |
|
811 | efb8da02 | Michael Hanselmann | """
|
812 | efb8da02 | Michael Hanselmann | # Special case for file storage
|
813 | efb8da02 | Michael Hanselmann | if storage_type == constants.ST_FILE:
|
814 | a4d138b7 | Michael Hanselmann | # storage.FileStorage wants a list of storage directories
|
815 | a4d138b7 | Michael Hanselmann | return [[cfg.GetFileStorageDir()]]
|
816 | efb8da02 | Michael Hanselmann | |
817 | efb8da02 | Michael Hanselmann | return []
|
818 | efb8da02 | Michael Hanselmann | |
819 | efb8da02 | Michael Hanselmann | |
820 | 2d9005d8 | Michael Hanselmann | def _FindFaultyInstanceDisks(cfg, rpc, instance, node_name, prereq): |
821 | 2d9005d8 | Michael Hanselmann | faulty = [] |
822 | 2d9005d8 | Michael Hanselmann | |
823 | 2d9005d8 | Michael Hanselmann | for dev in instance.disks: |
824 | 2d9005d8 | Michael Hanselmann | cfg.SetDiskID(dev, node_name) |
825 | 2d9005d8 | Michael Hanselmann | |
826 | 2d9005d8 | Michael Hanselmann | result = rpc.call_blockdev_getmirrorstatus(node_name, instance.disks) |
827 | 2d9005d8 | Michael Hanselmann | result.Raise("Failed to get disk status from node %s" % node_name,
|
828 | 045dd6d9 | Iustin Pop | prereq=prereq, ecode=errors.ECODE_ENVIRON) |
829 | 2d9005d8 | Michael Hanselmann | |
830 | 2d9005d8 | Michael Hanselmann | for idx, bdev_status in enumerate(result.payload): |
831 | 2d9005d8 | Michael Hanselmann | if bdev_status and bdev_status.ldisk_status == constants.LDS_FAULTY: |
832 | 2d9005d8 | Michael Hanselmann | faulty.append(idx) |
833 | 2d9005d8 | Michael Hanselmann | |
834 | 2d9005d8 | Michael Hanselmann | return faulty
|
835 | 2d9005d8 | Michael Hanselmann | |
836 | 2d9005d8 | Michael Hanselmann | |
837 | b5f5fae9 | Luca Bigliardi | class LUPostInitCluster(LogicalUnit): |
838 | b5f5fae9 | Luca Bigliardi | """Logical unit for running hooks after cluster initialization.
|
839 | b5f5fae9 | Luca Bigliardi |
|
840 | b5f5fae9 | Luca Bigliardi | """
|
841 | b5f5fae9 | Luca Bigliardi | HPATH = "cluster-init"
|
842 | b5f5fae9 | Luca Bigliardi | HTYPE = constants.HTYPE_CLUSTER |
843 | b5f5fae9 | Luca Bigliardi | _OP_REQP = [] |
844 | b5f5fae9 | Luca Bigliardi | |
845 | b5f5fae9 | Luca Bigliardi | def BuildHooksEnv(self): |
846 | b5f5fae9 | Luca Bigliardi | """Build hooks env.
|
847 | b5f5fae9 | Luca Bigliardi |
|
848 | b5f5fae9 | Luca Bigliardi | """
|
849 | b5f5fae9 | Luca Bigliardi | env = {"OP_TARGET": self.cfg.GetClusterName()} |
850 | b5f5fae9 | Luca Bigliardi | mn = self.cfg.GetMasterNode()
|
851 | b5f5fae9 | Luca Bigliardi | return env, [], [mn]
|
852 | b5f5fae9 | Luca Bigliardi | |
853 | b5f5fae9 | Luca Bigliardi | def CheckPrereq(self): |
854 | b5f5fae9 | Luca Bigliardi | """No prerequisites to check.
|
855 | b5f5fae9 | Luca Bigliardi |
|
856 | b5f5fae9 | Luca Bigliardi | """
|
857 | b5f5fae9 | Luca Bigliardi | return True |
858 | b5f5fae9 | Luca Bigliardi | |
859 | b5f5fae9 | Luca Bigliardi | def Exec(self, feedback_fn): |
860 | b5f5fae9 | Luca Bigliardi | """Nothing to do.
|
861 | b5f5fae9 | Luca Bigliardi |
|
862 | b5f5fae9 | Luca Bigliardi | """
|
863 | b5f5fae9 | Luca Bigliardi | return True |
864 | b5f5fae9 | Luca Bigliardi | |
865 | b5f5fae9 | Luca Bigliardi | |
866 | b2c750a4 | Luca Bigliardi | class LUDestroyCluster(LogicalUnit): |
867 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
868 | a8083063 | Iustin Pop |
|
869 | a8083063 | Iustin Pop | """
|
870 | b2c750a4 | Luca Bigliardi | HPATH = "cluster-destroy"
|
871 | b2c750a4 | Luca Bigliardi | HTYPE = constants.HTYPE_CLUSTER |
872 | a8083063 | Iustin Pop | _OP_REQP = [] |
873 | a8083063 | Iustin Pop | |
874 | b2c750a4 | Luca Bigliardi | def BuildHooksEnv(self): |
875 | b2c750a4 | Luca Bigliardi | """Build hooks env.
|
876 | b2c750a4 | Luca Bigliardi |
|
877 | b2c750a4 | Luca Bigliardi | """
|
878 | b2c750a4 | Luca Bigliardi | env = {"OP_TARGET": self.cfg.GetClusterName()} |
879 | b2c750a4 | Luca Bigliardi | return env, [], []
|
880 | b2c750a4 | Luca Bigliardi | |
881 | a8083063 | Iustin Pop | def CheckPrereq(self): |
882 | a8083063 | Iustin Pop | """Check prerequisites.
|
883 | a8083063 | Iustin Pop |
|
884 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
885 | a8083063 | Iustin Pop |
|
886 | 5bbd3f7f | Michael Hanselmann | Any errors are signaled by raising errors.OpPrereqError.
|
887 | a8083063 | Iustin Pop |
|
888 | a8083063 | Iustin Pop | """
|
889 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
890 | a8083063 | Iustin Pop | |
891 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
892 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
893 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
894 | 5c983ee5 | Iustin Pop | " this cluster." % (len(nodelist) - 1), |
895 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
896 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
897 | db915bd1 | Michael Hanselmann | if instancelist:
|
898 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
899 | 5c983ee5 | Iustin Pop | " this cluster." % len(instancelist), |
900 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
901 | a8083063 | Iustin Pop | |
902 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
903 | a8083063 | Iustin Pop | """Destroys the cluster.
|
904 | a8083063 | Iustin Pop |
|
905 | a8083063 | Iustin Pop | """
|
906 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
907 | b989b9d9 | Ken Wehr | modify_ssh_setup = self.cfg.GetClusterInfo().modify_ssh_setup
|
908 | 3141ad3b | Luca Bigliardi | |
909 | 3141ad3b | Luca Bigliardi | # Run post hooks on master node before it's removed
|
910 | 3141ad3b | Luca Bigliardi | hm = self.proc.hmclass(self.rpc.call_hooks_runner, self) |
911 | 3141ad3b | Luca Bigliardi | try:
|
912 | 3141ad3b | Luca Bigliardi | hm.RunPhase(constants.HOOKS_PHASE_POST, [master]) |
913 | 3141ad3b | Luca Bigliardi | except:
|
914 | 7260cfbe | Iustin Pop | # pylint: disable-msg=W0702
|
915 | 3141ad3b | Luca Bigliardi | self.LogWarning("Errors occurred running hooks on %s" % master) |
916 | 3141ad3b | Luca Bigliardi | |
917 | 781de953 | Iustin Pop | result = self.rpc.call_node_stop_master(master, False) |
918 | 4c4e4e1e | Iustin Pop | result.Raise("Could not disable the master role")
|
919 | b989b9d9 | Ken Wehr | |
920 | b989b9d9 | Ken Wehr | if modify_ssh_setup:
|
921 | b989b9d9 | Ken Wehr | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
922 | b989b9d9 | Ken Wehr | utils.CreateBackup(priv_key) |
923 | b989b9d9 | Ken Wehr | utils.CreateBackup(pub_key) |
924 | b989b9d9 | Ken Wehr | |
925 | 140aa4a8 | Iustin Pop | return master
|
926 | a8083063 | Iustin Pop | |
927 | a8083063 | Iustin Pop | |
928 | d8fff41c | Guido Trotter | class LUVerifyCluster(LogicalUnit): |
929 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
930 | a8083063 | Iustin Pop |
|
931 | a8083063 | Iustin Pop | """
|
932 | d8fff41c | Guido Trotter | HPATH = "cluster-verify"
|
933 | d8fff41c | Guido Trotter | HTYPE = constants.HTYPE_CLUSTER |
934 | a0c9776a | Iustin Pop | _OP_REQP = ["skip_checks", "verbose", "error_codes", "debug_simulate_errors"] |
935 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
936 | d4b9d97f | Guido Trotter | |
937 | 7c874ee1 | Iustin Pop | TCLUSTER = "cluster"
|
938 | 7c874ee1 | Iustin Pop | TNODE = "node"
|
939 | 7c874ee1 | Iustin Pop | TINSTANCE = "instance"
|
940 | 7c874ee1 | Iustin Pop | |
941 | 7c874ee1 | Iustin Pop | ECLUSTERCFG = (TCLUSTER, "ECLUSTERCFG")
|
942 | 7c874ee1 | Iustin Pop | EINSTANCEBADNODE = (TINSTANCE, "EINSTANCEBADNODE")
|
943 | 7c874ee1 | Iustin Pop | EINSTANCEDOWN = (TINSTANCE, "EINSTANCEDOWN")
|
944 | 7c874ee1 | Iustin Pop | EINSTANCELAYOUT = (TINSTANCE, "EINSTANCELAYOUT")
|
945 | 7c874ee1 | Iustin Pop | EINSTANCEMISSINGDISK = (TINSTANCE, "EINSTANCEMISSINGDISK")
|
946 | 7c874ee1 | Iustin Pop | EINSTANCEMISSINGDISK = (TINSTANCE, "EINSTANCEMISSINGDISK")
|
947 | 7c874ee1 | Iustin Pop | EINSTANCEWRONGNODE = (TINSTANCE, "EINSTANCEWRONGNODE")
|
948 | 7c874ee1 | Iustin Pop | ENODEDRBD = (TNODE, "ENODEDRBD")
|
949 | 7c874ee1 | Iustin Pop | ENODEFILECHECK = (TNODE, "ENODEFILECHECK")
|
950 | 7c874ee1 | Iustin Pop | ENODEHOOKS = (TNODE, "ENODEHOOKS")
|
951 | 7c874ee1 | Iustin Pop | ENODEHV = (TNODE, "ENODEHV")
|
952 | 7c874ee1 | Iustin Pop | ENODELVM = (TNODE, "ENODELVM")
|
953 | 7c874ee1 | Iustin Pop | ENODEN1 = (TNODE, "ENODEN1")
|
954 | 7c874ee1 | Iustin Pop | ENODENET = (TNODE, "ENODENET")
|
955 | 7c874ee1 | Iustin Pop | ENODEORPHANINSTANCE = (TNODE, "ENODEORPHANINSTANCE")
|
956 | 7c874ee1 | Iustin Pop | ENODEORPHANLV = (TNODE, "ENODEORPHANLV")
|
957 | 7c874ee1 | Iustin Pop | ENODERPC = (TNODE, "ENODERPC")
|
958 | 7c874ee1 | Iustin Pop | ENODESSH = (TNODE, "ENODESSH")
|
959 | 7c874ee1 | Iustin Pop | ENODEVERSION = (TNODE, "ENODEVERSION")
|
960 | 7c0aa8e9 | Iustin Pop | ENODESETUP = (TNODE, "ENODESETUP")
|
961 | 313b2dd4 | Michael Hanselmann | ENODETIME = (TNODE, "ENODETIME")
|
962 | 7c874ee1 | Iustin Pop | |
963 | a0c9776a | Iustin Pop | ETYPE_FIELD = "code"
|
964 | a0c9776a | Iustin Pop | ETYPE_ERROR = "ERROR"
|
965 | a0c9776a | Iustin Pop | ETYPE_WARNING = "WARNING"
|
966 | a0c9776a | Iustin Pop | |
967 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
968 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
969 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
970 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
971 | d4b9d97f | Guido Trotter | } |
972 | c772d142 | Michael Hanselmann | self.share_locks = dict.fromkeys(locking.LEVELS, 1) |
973 | a8083063 | Iustin Pop | |
974 | 7c874ee1 | Iustin Pop | def _Error(self, ecode, item, msg, *args, **kwargs): |
975 | 7c874ee1 | Iustin Pop | """Format an error message.
|
976 | 7c874ee1 | Iustin Pop |
|
977 | 7c874ee1 | Iustin Pop | Based on the opcode's error_codes parameter, either format a
|
978 | 7c874ee1 | Iustin Pop | parseable error code, or a simpler error string.
|
979 | 7c874ee1 | Iustin Pop |
|
980 | 7c874ee1 | Iustin Pop | This must be called only from Exec and functions called from Exec.
|
981 | 7c874ee1 | Iustin Pop |
|
982 | 7c874ee1 | Iustin Pop | """
|
983 | a0c9776a | Iustin Pop | ltype = kwargs.get(self.ETYPE_FIELD, self.ETYPE_ERROR) |
984 | 7c874ee1 | Iustin Pop | itype, etxt = ecode |
985 | 7c874ee1 | Iustin Pop | # first complete the msg
|
986 | 7c874ee1 | Iustin Pop | if args:
|
987 | 7c874ee1 | Iustin Pop | msg = msg % args |
988 | 7c874ee1 | Iustin Pop | # then format the whole message
|
989 | 7c874ee1 | Iustin Pop | if self.op.error_codes: |
990 | 7c874ee1 | Iustin Pop | msg = "%s:%s:%s:%s:%s" % (ltype, etxt, itype, item, msg)
|
991 | 7c874ee1 | Iustin Pop | else:
|
992 | 7c874ee1 | Iustin Pop | if item:
|
993 | 7c874ee1 | Iustin Pop | item = " " + item
|
994 | 7c874ee1 | Iustin Pop | else:
|
995 | 7c874ee1 | Iustin Pop | item = ""
|
996 | 7c874ee1 | Iustin Pop | msg = "%s: %s%s: %s" % (ltype, itype, item, msg)
|
997 | 7c874ee1 | Iustin Pop | # and finally report it via the feedback_fn
|
998 | 7c874ee1 | Iustin Pop | self._feedback_fn(" - %s" % msg) |
999 | 7c874ee1 | Iustin Pop | |
1000 | a0c9776a | Iustin Pop | def _ErrorIf(self, cond, *args, **kwargs): |
1001 | a0c9776a | Iustin Pop | """Log an error message if the passed condition is True.
|
1002 | a0c9776a | Iustin Pop |
|
1003 | a0c9776a | Iustin Pop | """
|
1004 | a0c9776a | Iustin Pop | cond = bool(cond) or self.op.debug_simulate_errors |
1005 | a0c9776a | Iustin Pop | if cond:
|
1006 | a0c9776a | Iustin Pop | self._Error(*args, **kwargs)
|
1007 | a0c9776a | Iustin Pop | # do not mark the operation as failed for WARN cases only
|
1008 | a0c9776a | Iustin Pop | if kwargs.get(self.ETYPE_FIELD, self.ETYPE_ERROR) == self.ETYPE_ERROR: |
1009 | a0c9776a | Iustin Pop | self.bad = self.bad or cond |
1010 | a0c9776a | Iustin Pop | |
1011 | 25361b9a | Iustin Pop | def _VerifyNode(self, nodeinfo, file_list, local_cksum, |
1012 | 7c874ee1 | Iustin Pop | node_result, master_files, drbd_map, vg_name): |
1013 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
1014 | a8083063 | Iustin Pop |
|
1015 | 112f18a5 | Iustin Pop | Test list:
|
1016 | e4376078 | Iustin Pop |
|
1017 | a8083063 | Iustin Pop | - compares ganeti version
|
1018 | 5bbd3f7f | Michael Hanselmann | - checks vg existence and size > 20G
|
1019 | a8083063 | Iustin Pop | - checks config file checksum
|
1020 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
1021 | a8083063 | Iustin Pop |
|
1022 | 112f18a5 | Iustin Pop | @type nodeinfo: L{objects.Node}
|
1023 | 112f18a5 | Iustin Pop | @param nodeinfo: the node to check
|
1024 | e4376078 | Iustin Pop | @param file_list: required list of files
|
1025 | e4376078 | Iustin Pop | @param local_cksum: dictionary of local files and their checksums
|
1026 | e4376078 | Iustin Pop | @param node_result: the results from the node
|
1027 | 112f18a5 | Iustin Pop | @param master_files: list of files that only masters should have
|
1028 | 6d2e83d5 | Iustin Pop | @param drbd_map: the useddrbd minors for this node, in
|
1029 | 6d2e83d5 | Iustin Pop | form of minor: (instance, must_exist) which correspond to instances
|
1030 | 6d2e83d5 | Iustin Pop | and their running status
|
1031 | cc9e1230 | Guido Trotter | @param vg_name: Ganeti Volume Group (result of self.cfg.GetVGName())
|
1032 | 098c0958 | Michael Hanselmann |
|
1033 | a8083063 | Iustin Pop | """
|
1034 | 112f18a5 | Iustin Pop | node = nodeinfo.name |
1035 | 7260cfbe | Iustin Pop | _ErrorIf = self._ErrorIf # pylint: disable-msg=C0103 |
1036 | 25361b9a | Iustin Pop | |
1037 | 25361b9a | Iustin Pop | # main result, node_result should be a non-empty dict
|
1038 | a0c9776a | Iustin Pop | test = not node_result or not isinstance(node_result, dict) |
1039 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODERPC, node,
|
1040 | 7c874ee1 | Iustin Pop | "unable to verify node: no data returned")
|
1041 | a0c9776a | Iustin Pop | if test:
|
1042 | a0c9776a | Iustin Pop | return
|
1043 | 25361b9a | Iustin Pop | |
1044 | a8083063 | Iustin Pop | # compares ganeti version
|
1045 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
1046 | 25361b9a | Iustin Pop | remote_version = node_result.get('version', None) |
1047 | a0c9776a | Iustin Pop | test = not (remote_version and |
1048 | a0c9776a | Iustin Pop | isinstance(remote_version, (list, tuple)) and |
1049 | a0c9776a | Iustin Pop | len(remote_version) == 2) |
1050 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODERPC, node,
|
1051 | a0c9776a | Iustin Pop | "connection to node returned invalid data")
|
1052 | a0c9776a | Iustin Pop | if test:
|
1053 | a0c9776a | Iustin Pop | return
|
1054 | a0c9776a | Iustin Pop | |
1055 | a0c9776a | Iustin Pop | test = local_version != remote_version[0]
|
1056 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODEVERSION, node,
|
1057 | a0c9776a | Iustin Pop | "incompatible protocol versions: master %s,"
|
1058 | a0c9776a | Iustin Pop | " node %s", local_version, remote_version[0]) |
1059 | a0c9776a | Iustin Pop | if test:
|
1060 | a0c9776a | Iustin Pop | return
|
1061 | a8083063 | Iustin Pop | |
1062 | e9ce0a64 | Iustin Pop | # node seems compatible, we can actually try to look into its results
|
1063 | a8083063 | Iustin Pop | |
1064 | e9ce0a64 | Iustin Pop | # full package version
|
1065 | a0c9776a | Iustin Pop | self._ErrorIf(constants.RELEASE_VERSION != remote_version[1], |
1066 | a0c9776a | Iustin Pop | self.ENODEVERSION, node,
|
1067 | 7c874ee1 | Iustin Pop | "software version mismatch: master %s, node %s",
|
1068 | 7c874ee1 | Iustin Pop | constants.RELEASE_VERSION, remote_version[1],
|
1069 | a0c9776a | Iustin Pop | code=self.ETYPE_WARNING)
|
1070 | e9ce0a64 | Iustin Pop | |
1071 | e9ce0a64 | Iustin Pop | # checks vg existence and size > 20G
|
1072 | cc9e1230 | Guido Trotter | if vg_name is not None: |
1073 | cc9e1230 | Guido Trotter | vglist = node_result.get(constants.NV_VGLIST, None)
|
1074 | a0c9776a | Iustin Pop | test = not vglist
|
1075 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODELVM, node, "unable to check volume groups") |
1076 | a0c9776a | Iustin Pop | if not test: |
1077 | cc9e1230 | Guido Trotter | vgstatus = utils.CheckVolumeGroupSize(vglist, vg_name, |
1078 | cc9e1230 | Guido Trotter | constants.MIN_VG_SIZE) |
1079 | a0c9776a | Iustin Pop | _ErrorIf(vgstatus, self.ENODELVM, node, vgstatus)
|
1080 | a8083063 | Iustin Pop | |
1081 | a8083063 | Iustin Pop | # checks config file checksum
|
1082 | a8083063 | Iustin Pop | |
1083 | 25361b9a | Iustin Pop | remote_cksum = node_result.get(constants.NV_FILELIST, None)
|
1084 | a0c9776a | Iustin Pop | test = not isinstance(remote_cksum, dict) |
1085 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODEFILECHECK, node,
|
1086 | a0c9776a | Iustin Pop | "node hasn't returned file checksum data")
|
1087 | a0c9776a | Iustin Pop | if not test: |
1088 | a8083063 | Iustin Pop | for file_name in file_list: |
1089 | 112f18a5 | Iustin Pop | node_is_mc = nodeinfo.master_candidate |
1090 | a0c9776a | Iustin Pop | must_have = (file_name not in master_files) or node_is_mc |
1091 | a0c9776a | Iustin Pop | # missing
|
1092 | a0c9776a | Iustin Pop | test1 = file_name not in remote_cksum |
1093 | a0c9776a | Iustin Pop | # invalid checksum
|
1094 | a0c9776a | Iustin Pop | test2 = not test1 and remote_cksum[file_name] != local_cksum[file_name] |
1095 | a0c9776a | Iustin Pop | # existing and good
|
1096 | a0c9776a | Iustin Pop | test3 = not test1 and remote_cksum[file_name] == local_cksum[file_name] |
1097 | a0c9776a | Iustin Pop | _ErrorIf(test1 and must_have, self.ENODEFILECHECK, node, |
1098 | a0c9776a | Iustin Pop | "file '%s' missing", file_name)
|
1099 | a0c9776a | Iustin Pop | _ErrorIf(test2 and must_have, self.ENODEFILECHECK, node, |
1100 | a0c9776a | Iustin Pop | "file '%s' has wrong checksum", file_name)
|
1101 | a0c9776a | Iustin Pop | # not candidate and this is not a must-have file
|
1102 | a0c9776a | Iustin Pop | _ErrorIf(test2 and not must_have, self.ENODEFILECHECK, node, |
1103 | a0c9776a | Iustin Pop | "file '%s' should not exist on non master"
|
1104 | a0c9776a | Iustin Pop | " candidates (and the file is outdated)", file_name)
|
1105 | a0c9776a | Iustin Pop | # all good, except non-master/non-must have combination
|
1106 | a0c9776a | Iustin Pop | _ErrorIf(test3 and not must_have, self.ENODEFILECHECK, node, |
1107 | a0c9776a | Iustin Pop | "file '%s' should not exist"
|
1108 | a0c9776a | Iustin Pop | " on non master candidates", file_name)
|
1109 | a8083063 | Iustin Pop | |
1110 | 25361b9a | Iustin Pop | # checks ssh to any
|
1111 | 25361b9a | Iustin Pop | |
1112 | a0c9776a | Iustin Pop | test = constants.NV_NODELIST not in node_result |
1113 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODESSH, node,
|
1114 | a0c9776a | Iustin Pop | "node hasn't returned node ssh connectivity data")
|
1115 | a0c9776a | Iustin Pop | if not test: |
1116 | 25361b9a | Iustin Pop | if node_result[constants.NV_NODELIST]:
|
1117 | 7c874ee1 | Iustin Pop | for a_node, a_msg in node_result[constants.NV_NODELIST].items(): |
1118 | a0c9776a | Iustin Pop | _ErrorIf(True, self.ENODESSH, node, |
1119 | a0c9776a | Iustin Pop | "ssh communication with node '%s': %s", a_node, a_msg)
|
1120 | 25361b9a | Iustin Pop | |
1121 | a0c9776a | Iustin Pop | test = constants.NV_NODENETTEST not in node_result |
1122 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODENET, node,
|
1123 | a0c9776a | Iustin Pop | "node hasn't returned node tcp connectivity data")
|
1124 | a0c9776a | Iustin Pop | if not test: |
1125 | 25361b9a | Iustin Pop | if node_result[constants.NV_NODENETTEST]:
|
1126 | 25361b9a | Iustin Pop | nlist = utils.NiceSort(node_result[constants.NV_NODENETTEST].keys()) |
1127 | 7c874ee1 | Iustin Pop | for anode in nlist: |
1128 | a0c9776a | Iustin Pop | _ErrorIf(True, self.ENODENET, node, |
1129 | a0c9776a | Iustin Pop | "tcp communication with node '%s': %s",
|
1130 | a0c9776a | Iustin Pop | anode, node_result[constants.NV_NODENETTEST][anode]) |
1131 | 9d4bfc96 | Iustin Pop | |
1132 | 25361b9a | Iustin Pop | hyp_result = node_result.get(constants.NV_HYPERVISOR, None)
|
1133 | e69d05fd | Iustin Pop | if isinstance(hyp_result, dict): |
1134 | e69d05fd | Iustin Pop | for hv_name, hv_result in hyp_result.iteritems(): |
1135 | a0c9776a | Iustin Pop | test = hv_result is not None |
1136 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODEHV, node,
|
1137 | a0c9776a | Iustin Pop | "hypervisor %s verify failure: '%s'", hv_name, hv_result)
|
1138 | 6d2e83d5 | Iustin Pop | |
1139 | 6d2e83d5 | Iustin Pop | # check used drbd list
|
1140 | cc9e1230 | Guido Trotter | if vg_name is not None: |
1141 | cc9e1230 | Guido Trotter | used_minors = node_result.get(constants.NV_DRBDLIST, []) |
1142 | a0c9776a | Iustin Pop | test = not isinstance(used_minors, (tuple, list)) |
1143 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODEDRBD, node,
|
1144 | a0c9776a | Iustin Pop | "cannot parse drbd status file: %s", str(used_minors)) |
1145 | a0c9776a | Iustin Pop | if not test: |
1146 | cc9e1230 | Guido Trotter | for minor, (iname, must_exist) in drbd_map.items(): |
1147 | a0c9776a | Iustin Pop | test = minor not in used_minors and must_exist |
1148 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODEDRBD, node,
|
1149 | a0c9776a | Iustin Pop | "drbd minor %d of instance %s is not active",
|
1150 | a0c9776a | Iustin Pop | minor, iname) |
1151 | cc9e1230 | Guido Trotter | for minor in used_minors: |
1152 | a0c9776a | Iustin Pop | test = minor not in drbd_map |
1153 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODEDRBD, node,
|
1154 | a0c9776a | Iustin Pop | "unallocated drbd minor %d is in use", minor)
|
1155 | 7c0aa8e9 | Iustin Pop | test = node_result.get(constants.NV_NODESETUP, |
1156 | 7c0aa8e9 | Iustin Pop | ["Missing NODESETUP results"])
|
1157 | 7c0aa8e9 | Iustin Pop | _ErrorIf(test, self.ENODESETUP, node, "node setup error: %s", |
1158 | 7c0aa8e9 | Iustin Pop | "; ".join(test))
|
1159 | a8083063 | Iustin Pop | |
1160 | d091393e | Iustin Pop | # check pv names
|
1161 | d091393e | Iustin Pop | if vg_name is not None: |
1162 | d091393e | Iustin Pop | pvlist = node_result.get(constants.NV_PVLIST, None)
|
1163 | d091393e | Iustin Pop | test = pvlist is None |
1164 | d091393e | Iustin Pop | _ErrorIf(test, self.ENODELVM, node, "Can't get PV list from node") |
1165 | d091393e | Iustin Pop | if not test: |
1166 | d091393e | Iustin Pop | # check that ':' is not present in PV names, since it's a
|
1167 | d091393e | Iustin Pop | # special character for lvcreate (denotes the range of PEs to
|
1168 | d091393e | Iustin Pop | # use on the PV)
|
1169 | 1122eb25 | Iustin Pop | for _, pvname, owner_vg in pvlist: |
1170 | d091393e | Iustin Pop | test = ":" in pvname |
1171 | d091393e | Iustin Pop | _ErrorIf(test, self.ENODELVM, node, "Invalid character ':' in PV" |
1172 | d091393e | Iustin Pop | " '%s' of VG '%s'", pvname, owner_vg)
|
1173 | d091393e | Iustin Pop | |
1174 | c5705f58 | Guido Trotter | def _VerifyInstance(self, instance, instanceconfig, node_vol_is, |
1175 | 7c874ee1 | Iustin Pop | node_instance, n_offline): |
1176 | a8083063 | Iustin Pop | """Verify an instance.
|
1177 | a8083063 | Iustin Pop |
|
1178 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
1179 | a8083063 | Iustin Pop | available on the instance's node.
|
1180 | a8083063 | Iustin Pop |
|
1181 | a8083063 | Iustin Pop | """
|
1182 | 7260cfbe | Iustin Pop | _ErrorIf = self._ErrorIf # pylint: disable-msg=C0103 |
1183 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
1184 | a8083063 | Iustin Pop | |
1185 | a8083063 | Iustin Pop | node_vol_should = {} |
1186 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
1187 | a8083063 | Iustin Pop | |
1188 | a8083063 | Iustin Pop | for node in node_vol_should: |
1189 | 0a66c968 | Iustin Pop | if node in n_offline: |
1190 | 0a66c968 | Iustin Pop | # ignore missing volumes on offline nodes
|
1191 | 0a66c968 | Iustin Pop | continue
|
1192 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
1193 | a0c9776a | Iustin Pop | test = node not in node_vol_is or volume not in node_vol_is[node] |
1194 | a0c9776a | Iustin Pop | _ErrorIf(test, self.EINSTANCEMISSINGDISK, instance,
|
1195 | a0c9776a | Iustin Pop | "volume %s missing on node %s", volume, node)
|
1196 | a8083063 | Iustin Pop | |
1197 | 0d68c45d | Iustin Pop | if instanceconfig.admin_up:
|
1198 | a0c9776a | Iustin Pop | test = ((node_current not in node_instance or |
1199 | a0c9776a | Iustin Pop | not instance in node_instance[node_current]) and |
1200 | a0c9776a | Iustin Pop | node_current not in n_offline) |
1201 | a0c9776a | Iustin Pop | _ErrorIf(test, self.EINSTANCEDOWN, instance,
|
1202 | a0c9776a | Iustin Pop | "instance not running on its primary node %s",
|
1203 | a0c9776a | Iustin Pop | node_current) |
1204 | a8083063 | Iustin Pop | |
1205 | a8083063 | Iustin Pop | for node in node_instance: |
1206 | a8083063 | Iustin Pop | if (not node == node_current): |
1207 | a0c9776a | Iustin Pop | test = instance in node_instance[node]
|
1208 | a0c9776a | Iustin Pop | _ErrorIf(test, self.EINSTANCEWRONGNODE, instance,
|
1209 | a0c9776a | Iustin Pop | "instance should not run on node %s", node)
|
1210 | a8083063 | Iustin Pop | |
1211 | 7c874ee1 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is): |
1212 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
1213 | a8083063 | Iustin Pop |
|
1214 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
1215 | a8083063 | Iustin Pop | reported as unknown.
|
1216 | a8083063 | Iustin Pop |
|
1217 | a8083063 | Iustin Pop | """
|
1218 | a8083063 | Iustin Pop | for node in node_vol_is: |
1219 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
1220 | a0c9776a | Iustin Pop | test = (node not in node_vol_should or |
1221 | a0c9776a | Iustin Pop | volume not in node_vol_should[node]) |
1222 | a0c9776a | Iustin Pop | self._ErrorIf(test, self.ENODEORPHANLV, node, |
1223 | 7c874ee1 | Iustin Pop | "volume %s is unknown", volume)
|
1224 | a8083063 | Iustin Pop | |
1225 | 7c874ee1 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance): |
1226 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
1227 | a8083063 | Iustin Pop |
|
1228 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
1229 | a8083063 | Iustin Pop |
|
1230 | a8083063 | Iustin Pop | """
|
1231 | a8083063 | Iustin Pop | for node in node_instance: |
1232 | 7c874ee1 | Iustin Pop | for o_inst in node_instance[node]: |
1233 | a0c9776a | Iustin Pop | test = o_inst not in instancelist |
1234 | a0c9776a | Iustin Pop | self._ErrorIf(test, self.ENODEORPHANINSTANCE, node, |
1235 | 7c874ee1 | Iustin Pop | "instance %s on node %s should not exist", o_inst, node)
|
1236 | a8083063 | Iustin Pop | |
1237 | 7c874ee1 | Iustin Pop | def _VerifyNPlusOneMemory(self, node_info, instance_cfg): |
1238 | 2b3b6ddd | Guido Trotter | """Verify N+1 Memory Resilience.
|
1239 | 2b3b6ddd | Guido Trotter |
|
1240 | 2b3b6ddd | Guido Trotter | Check that if one single node dies we can still start all the instances it
|
1241 | 2b3b6ddd | Guido Trotter | was primary for.
|
1242 | 2b3b6ddd | Guido Trotter |
|
1243 | 2b3b6ddd | Guido Trotter | """
|
1244 | 2b3b6ddd | Guido Trotter | for node, nodeinfo in node_info.iteritems(): |
1245 | 2b3b6ddd | Guido Trotter | # This code checks that every node which is now listed as secondary has
|
1246 | 2b3b6ddd | Guido Trotter | # enough memory to host all instances it is supposed to should a single
|
1247 | 2b3b6ddd | Guido Trotter | # other node in the cluster fail.
|
1248 | 2b3b6ddd | Guido Trotter | # FIXME: not ready for failover to an arbitrary node
|
1249 | 2b3b6ddd | Guido Trotter | # FIXME: does not support file-backed instances
|
1250 | 2b3b6ddd | Guido Trotter | # WARNING: we currently take into account down instances as well as up
|
1251 | 2b3b6ddd | Guido Trotter | # ones, considering that even if they're down someone might want to start
|
1252 | 2b3b6ddd | Guido Trotter | # them even in the event of a node failure.
|
1253 | 2b3b6ddd | Guido Trotter | for prinode, instances in nodeinfo['sinst-by-pnode'].iteritems(): |
1254 | 2b3b6ddd | Guido Trotter | needed_mem = 0
|
1255 | 2b3b6ddd | Guido Trotter | for instance in instances: |
1256 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance_cfg[instance])
|
1257 | c0f2b229 | Iustin Pop | if bep[constants.BE_AUTO_BALANCE]:
|
1258 | 3924700f | Iustin Pop | needed_mem += bep[constants.BE_MEMORY] |
1259 | a0c9776a | Iustin Pop | test = nodeinfo['mfree'] < needed_mem
|
1260 | a0c9776a | Iustin Pop | self._ErrorIf(test, self.ENODEN1, node, |
1261 | 7c874ee1 | Iustin Pop | "not enough memory on to accommodate"
|
1262 | 7c874ee1 | Iustin Pop | " failovers should peer node %s fail", prinode)
|
1263 | 2b3b6ddd | Guido Trotter | |
1264 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1265 | a8083063 | Iustin Pop | """Check prerequisites.
|
1266 | a8083063 | Iustin Pop |
|
1267 | e54c4c5e | Guido Trotter | Transform the list of checks we're going to skip into a set and check that
|
1268 | e54c4c5e | Guido Trotter | all its members are valid.
|
1269 | a8083063 | Iustin Pop |
|
1270 | a8083063 | Iustin Pop | """
|
1271 | e54c4c5e | Guido Trotter | self.skip_set = frozenset(self.op.skip_checks) |
1272 | e54c4c5e | Guido Trotter | if not constants.VERIFY_OPTIONAL_CHECKS.issuperset(self.skip_set): |
1273 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid checks to be skipped specified", |
1274 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
1275 | a8083063 | Iustin Pop | |
1276 | d8fff41c | Guido Trotter | def BuildHooksEnv(self): |
1277 | d8fff41c | Guido Trotter | """Build hooks env.
|
1278 | d8fff41c | Guido Trotter |
|
1279 | 5bbd3f7f | Michael Hanselmann | Cluster-Verify hooks just ran in the post phase and their failure makes
|
1280 | d8fff41c | Guido Trotter | the output be logged in the verify output and the verification to fail.
|
1281 | d8fff41c | Guido Trotter |
|
1282 | d8fff41c | Guido Trotter | """
|
1283 | d8fff41c | Guido Trotter | all_nodes = self.cfg.GetNodeList()
|
1284 | 35e994e9 | Iustin Pop | env = { |
1285 | 35e994e9 | Iustin Pop | "CLUSTER_TAGS": " ".join(self.cfg.GetClusterInfo().GetTags()) |
1286 | 35e994e9 | Iustin Pop | } |
1287 | 35e994e9 | Iustin Pop | for node in self.cfg.GetAllNodesInfo().values(): |
1288 | 35e994e9 | Iustin Pop | env["NODE_TAGS_%s" % node.name] = " ".join(node.GetTags()) |
1289 | 35e994e9 | Iustin Pop | |
1290 | d8fff41c | Guido Trotter | return env, [], all_nodes
|
1291 | d8fff41c | Guido Trotter | |
1292 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1293 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
1294 | a8083063 | Iustin Pop |
|
1295 | a8083063 | Iustin Pop | """
|
1296 | a0c9776a | Iustin Pop | self.bad = False |
1297 | 7260cfbe | Iustin Pop | _ErrorIf = self._ErrorIf # pylint: disable-msg=C0103 |
1298 | 7c874ee1 | Iustin Pop | verbose = self.op.verbose
|
1299 | 7c874ee1 | Iustin Pop | self._feedback_fn = feedback_fn
|
1300 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
1301 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
1302 | a0c9776a | Iustin Pop | _ErrorIf(True, self.ECLUSTERCFG, None, msg) |
1303 | a8083063 | Iustin Pop | |
1304 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
1305 | e69d05fd | Iustin Pop | hypervisors = self.cfg.GetClusterInfo().enabled_hypervisors
|
1306 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
1307 | 9d4bfc96 | Iustin Pop | nodeinfo = [self.cfg.GetNodeInfo(nname) for nname in nodelist] |
1308 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
1309 | 6d2e83d5 | Iustin Pop | instanceinfo = dict((iname, self.cfg.GetInstanceInfo(iname)) |
1310 | 6d2e83d5 | Iustin Pop | for iname in instancelist) |
1311 | 93e4c50b | Guido Trotter | i_non_redundant = [] # Non redundant instances
|
1312 | 3924700f | Iustin Pop | i_non_a_balanced = [] # Non auto-balanced instances
|
1313 | 0a66c968 | Iustin Pop | n_offline = [] # List of offline nodes
|
1314 | 22f0f71d | Iustin Pop | n_drained = [] # List of nodes being drained
|
1315 | a8083063 | Iustin Pop | node_volume = {} |
1316 | a8083063 | Iustin Pop | node_instance = {} |
1317 | 9c9c7d30 | Guido Trotter | node_info = {} |
1318 | 26b6af5e | Guido Trotter | instance_cfg = {} |
1319 | a8083063 | Iustin Pop | |
1320 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
1321 | a8083063 | Iustin Pop | # do local checksums
|
1322 | 112f18a5 | Iustin Pop | master_files = [constants.CLUSTER_CONF_FILE] |
1323 | 112f18a5 | Iustin Pop | |
1324 | 112f18a5 | Iustin Pop | file_names = ssconf.SimpleStore().GetFileList() |
1325 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
1326 | 699777f2 | Michael Hanselmann | file_names.append(constants.RAPI_CERT_FILE) |
1327 | 112f18a5 | Iustin Pop | file_names.extend(master_files) |
1328 | 112f18a5 | Iustin Pop | |
1329 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
1330 | a8083063 | Iustin Pop | |
1331 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
1332 | a8083063 | Iustin Pop | node_verify_param = { |
1333 | 25361b9a | Iustin Pop | constants.NV_FILELIST: file_names, |
1334 | 82e37788 | Iustin Pop | constants.NV_NODELIST: [node.name for node in nodeinfo |
1335 | 82e37788 | Iustin Pop | if not node.offline], |
1336 | 25361b9a | Iustin Pop | constants.NV_HYPERVISOR: hypervisors, |
1337 | 25361b9a | Iustin Pop | constants.NV_NODENETTEST: [(node.name, node.primary_ip, |
1338 | 82e37788 | Iustin Pop | node.secondary_ip) for node in nodeinfo |
1339 | 82e37788 | Iustin Pop | if not node.offline], |
1340 | 25361b9a | Iustin Pop | constants.NV_INSTANCELIST: hypervisors, |
1341 | 25361b9a | Iustin Pop | constants.NV_VERSION: None,
|
1342 | 25361b9a | Iustin Pop | constants.NV_HVINFO: self.cfg.GetHypervisorType(),
|
1343 | 7c0aa8e9 | Iustin Pop | constants.NV_NODESETUP: None,
|
1344 | 313b2dd4 | Michael Hanselmann | constants.NV_TIME: None,
|
1345 | a8083063 | Iustin Pop | } |
1346 | 313b2dd4 | Michael Hanselmann | |
1347 | cc9e1230 | Guido Trotter | if vg_name is not None: |
1348 | cc9e1230 | Guido Trotter | node_verify_param[constants.NV_VGLIST] = None
|
1349 | cc9e1230 | Guido Trotter | node_verify_param[constants.NV_LVLIST] = vg_name |
1350 | d091393e | Iustin Pop | node_verify_param[constants.NV_PVLIST] = [vg_name] |
1351 | cc9e1230 | Guido Trotter | node_verify_param[constants.NV_DRBDLIST] = None
|
1352 | 313b2dd4 | Michael Hanselmann | |
1353 | 313b2dd4 | Michael Hanselmann | # Due to the way our RPC system works, exact response times cannot be
|
1354 | 313b2dd4 | Michael Hanselmann | # guaranteed (e.g. a broken node could run into a timeout). By keeping the
|
1355 | 313b2dd4 | Michael Hanselmann | # time before and after executing the request, we can at least have a time
|
1356 | 313b2dd4 | Michael Hanselmann | # window.
|
1357 | 313b2dd4 | Michael Hanselmann | nvinfo_starttime = time.time() |
1358 | 72737a7f | Iustin Pop | all_nvinfo = self.rpc.call_node_verify(nodelist, node_verify_param,
|
1359 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
1360 | 313b2dd4 | Michael Hanselmann | nvinfo_endtime = time.time() |
1361 | a8083063 | Iustin Pop | |
1362 | 3924700f | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
1363 | 112f18a5 | Iustin Pop | master_node = self.cfg.GetMasterNode()
|
1364 | 6d2e83d5 | Iustin Pop | all_drbd_map = self.cfg.ComputeDRBDMap()
|
1365 | 6d2e83d5 | Iustin Pop | |
1366 | 7c874ee1 | Iustin Pop | feedback_fn("* Verifying node status")
|
1367 | 112f18a5 | Iustin Pop | for node_i in nodeinfo: |
1368 | 112f18a5 | Iustin Pop | node = node_i.name |
1369 | 25361b9a | Iustin Pop | |
1370 | 0a66c968 | Iustin Pop | if node_i.offline:
|
1371 | 7c874ee1 | Iustin Pop | if verbose:
|
1372 | 7c874ee1 | Iustin Pop | feedback_fn("* Skipping offline node %s" % (node,))
|
1373 | 0a66c968 | Iustin Pop | n_offline.append(node) |
1374 | 0a66c968 | Iustin Pop | continue
|
1375 | 0a66c968 | Iustin Pop | |
1376 | 112f18a5 | Iustin Pop | if node == master_node:
|
1377 | 25361b9a | Iustin Pop | ntype = "master"
|
1378 | 112f18a5 | Iustin Pop | elif node_i.master_candidate:
|
1379 | 25361b9a | Iustin Pop | ntype = "master candidate"
|
1380 | 22f0f71d | Iustin Pop | elif node_i.drained:
|
1381 | 22f0f71d | Iustin Pop | ntype = "drained"
|
1382 | 22f0f71d | Iustin Pop | n_drained.append(node) |
1383 | 112f18a5 | Iustin Pop | else:
|
1384 | 25361b9a | Iustin Pop | ntype = "regular"
|
1385 | 7c874ee1 | Iustin Pop | if verbose:
|
1386 | 7c874ee1 | Iustin Pop | feedback_fn("* Verifying node %s (%s)" % (node, ntype))
|
1387 | 25361b9a | Iustin Pop | |
1388 | 4c4e4e1e | Iustin Pop | msg = all_nvinfo[node].fail_msg |
1389 | a0c9776a | Iustin Pop | _ErrorIf(msg, self.ENODERPC, node, "while contacting node: %s", msg) |
1390 | 6f68a739 | Iustin Pop | if msg:
|
1391 | 25361b9a | Iustin Pop | continue
|
1392 | 25361b9a | Iustin Pop | |
1393 | 6f68a739 | Iustin Pop | nresult = all_nvinfo[node].payload |
1394 | 6d2e83d5 | Iustin Pop | node_drbd = {} |
1395 | 6d2e83d5 | Iustin Pop | for minor, instance in all_drbd_map[node].items(): |
1396 | a0c9776a | Iustin Pop | test = instance not in instanceinfo |
1397 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ECLUSTERCFG, None, |
1398 | a0c9776a | Iustin Pop | "ghost instance '%s' in temporary DRBD map", instance)
|
1399 | c614e5fb | Iustin Pop | # ghost instance should not be running, but otherwise we
|
1400 | c614e5fb | Iustin Pop | # don't give double warnings (both ghost instance and
|
1401 | c614e5fb | Iustin Pop | # unallocated minor in use)
|
1402 | a0c9776a | Iustin Pop | if test:
|
1403 | c614e5fb | Iustin Pop | node_drbd[minor] = (instance, False)
|
1404 | c614e5fb | Iustin Pop | else:
|
1405 | c614e5fb | Iustin Pop | instance = instanceinfo[instance] |
1406 | c614e5fb | Iustin Pop | node_drbd[minor] = (instance.name, instance.admin_up) |
1407 | 313b2dd4 | Michael Hanselmann | |
1408 | a0c9776a | Iustin Pop | self._VerifyNode(node_i, file_names, local_checksums,
|
1409 | a0c9776a | Iustin Pop | nresult, master_files, node_drbd, vg_name) |
1410 | a8083063 | Iustin Pop | |
1411 | 25361b9a | Iustin Pop | lvdata = nresult.get(constants.NV_LVLIST, "Missing LV data")
|
1412 | cc9e1230 | Guido Trotter | if vg_name is None: |
1413 | cc9e1230 | Guido Trotter | node_volume[node] = {} |
1414 | cc9e1230 | Guido Trotter | elif isinstance(lvdata, basestring): |
1415 | a0c9776a | Iustin Pop | _ErrorIf(True, self.ENODELVM, node, "LVM problem on node: %s", |
1416 | a0c9776a | Iustin Pop | utils.SafeEncode(lvdata)) |
1417 | b63ed789 | Iustin Pop | node_volume[node] = {} |
1418 | 25361b9a | Iustin Pop | elif not isinstance(lvdata, dict): |
1419 | a0c9776a | Iustin Pop | _ErrorIf(True, self.ENODELVM, node, "rpc call to node failed (lvlist)") |
1420 | a8083063 | Iustin Pop | continue
|
1421 | b63ed789 | Iustin Pop | else:
|
1422 | 25361b9a | Iustin Pop | node_volume[node] = lvdata |
1423 | a8083063 | Iustin Pop | |
1424 | a8083063 | Iustin Pop | # node_instance
|
1425 | 25361b9a | Iustin Pop | idata = nresult.get(constants.NV_INSTANCELIST, None)
|
1426 | a0c9776a | Iustin Pop | test = not isinstance(idata, list) |
1427 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODEHV, node,
|
1428 | a0c9776a | Iustin Pop | "rpc call to node failed (instancelist)")
|
1429 | a0c9776a | Iustin Pop | if test:
|
1430 | a8083063 | Iustin Pop | continue
|
1431 | a8083063 | Iustin Pop | |
1432 | 25361b9a | Iustin Pop | node_instance[node] = idata |
1433 | a8083063 | Iustin Pop | |
1434 | 9c9c7d30 | Guido Trotter | # node_info
|
1435 | 25361b9a | Iustin Pop | nodeinfo = nresult.get(constants.NV_HVINFO, None)
|
1436 | a0c9776a | Iustin Pop | test = not isinstance(nodeinfo, dict) |
1437 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODEHV, node, "rpc call to node failed (hvinfo)") |
1438 | a0c9776a | Iustin Pop | if test:
|
1439 | 9c9c7d30 | Guido Trotter | continue
|
1440 | 9c9c7d30 | Guido Trotter | |
1441 | 313b2dd4 | Michael Hanselmann | # Node time
|
1442 | 313b2dd4 | Michael Hanselmann | ntime = nresult.get(constants.NV_TIME, None)
|
1443 | 313b2dd4 | Michael Hanselmann | try:
|
1444 | 313b2dd4 | Michael Hanselmann | ntime_merged = utils.MergeTime(ntime) |
1445 | 313b2dd4 | Michael Hanselmann | except (ValueError, TypeError): |
1446 | 313b2dd4 | Michael Hanselmann | _ErrorIf(test, self.ENODETIME, node, "Node returned invalid time") |
1447 | 313b2dd4 | Michael Hanselmann | |
1448 | 313b2dd4 | Michael Hanselmann | if ntime_merged < (nvinfo_starttime - constants.NODE_MAX_CLOCK_SKEW):
|
1449 | 313b2dd4 | Michael Hanselmann | ntime_diff = abs(nvinfo_starttime - ntime_merged)
|
1450 | 313b2dd4 | Michael Hanselmann | elif ntime_merged > (nvinfo_endtime + constants.NODE_MAX_CLOCK_SKEW):
|
1451 | 313b2dd4 | Michael Hanselmann | ntime_diff = abs(ntime_merged - nvinfo_endtime)
|
1452 | 313b2dd4 | Michael Hanselmann | else:
|
1453 | 313b2dd4 | Michael Hanselmann | ntime_diff = None
|
1454 | 313b2dd4 | Michael Hanselmann | |
1455 | 313b2dd4 | Michael Hanselmann | _ErrorIf(ntime_diff is not None, self.ENODETIME, node, |
1456 | 313b2dd4 | Michael Hanselmann | "Node time diverges by at least %0.1fs from master node time",
|
1457 | 313b2dd4 | Michael Hanselmann | ntime_diff) |
1458 | 313b2dd4 | Michael Hanselmann | |
1459 | 313b2dd4 | Michael Hanselmann | if ntime_diff is not None: |
1460 | 313b2dd4 | Michael Hanselmann | continue
|
1461 | 313b2dd4 | Michael Hanselmann | |
1462 | 9c9c7d30 | Guido Trotter | try:
|
1463 | 9c9c7d30 | Guido Trotter | node_info[node] = { |
1464 | 9c9c7d30 | Guido Trotter | "mfree": int(nodeinfo['memory_free']), |
1465 | 93e4c50b | Guido Trotter | "pinst": [],
|
1466 | 93e4c50b | Guido Trotter | "sinst": [],
|
1467 | 36e7da50 | Guido Trotter | # dictionary holding all instances this node is secondary for,
|
1468 | 36e7da50 | Guido Trotter | # grouped by their primary node. Each key is a cluster node, and each
|
1469 | 36e7da50 | Guido Trotter | # value is a list of instances which have the key as primary and the
|
1470 | 36e7da50 | Guido Trotter | # current node as secondary. this is handy to calculate N+1 memory
|
1471 | 36e7da50 | Guido Trotter | # availability if you can only failover from a primary to its
|
1472 | 36e7da50 | Guido Trotter | # secondary.
|
1473 | 36e7da50 | Guido Trotter | "sinst-by-pnode": {},
|
1474 | 9c9c7d30 | Guido Trotter | } |
1475 | cc9e1230 | Guido Trotter | # FIXME: devise a free space model for file based instances as well
|
1476 | cc9e1230 | Guido Trotter | if vg_name is not None: |
1477 | a0c9776a | Iustin Pop | test = (constants.NV_VGLIST not in nresult or |
1478 | a0c9776a | Iustin Pop | vg_name not in nresult[constants.NV_VGLIST]) |
1479 | a0c9776a | Iustin Pop | _ErrorIf(test, self.ENODELVM, node,
|
1480 | a0c9776a | Iustin Pop | "node didn't return data for the volume group '%s'"
|
1481 | a0c9776a | Iustin Pop | " - it is either missing or broken", vg_name)
|
1482 | a0c9776a | Iustin Pop | if test:
|
1483 | 9a198532 | Iustin Pop | continue
|
1484 | cc9e1230 | Guido Trotter | node_info[node]["dfree"] = int(nresult[constants.NV_VGLIST][vg_name]) |
1485 | 9a198532 | Iustin Pop | except (ValueError, KeyError): |
1486 | a0c9776a | Iustin Pop | _ErrorIf(True, self.ENODERPC, node, |
1487 | a0c9776a | Iustin Pop | "node returned invalid nodeinfo, check lvm/hypervisor")
|
1488 | 9c9c7d30 | Guido Trotter | continue
|
1489 | 9c9c7d30 | Guido Trotter | |
1490 | a8083063 | Iustin Pop | node_vol_should = {} |
1491 | a8083063 | Iustin Pop | |
1492 | 7c874ee1 | Iustin Pop | feedback_fn("* Verifying instance status")
|
1493 | a8083063 | Iustin Pop | for instance in instancelist: |
1494 | 7c874ee1 | Iustin Pop | if verbose:
|
1495 | 7c874ee1 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
1496 | 6d2e83d5 | Iustin Pop | inst_config = instanceinfo[instance] |
1497 | a0c9776a | Iustin Pop | self._VerifyInstance(instance, inst_config, node_volume,
|
1498 | a0c9776a | Iustin Pop | node_instance, n_offline) |
1499 | 832261fd | Iustin Pop | inst_nodes_offline = [] |
1500 | a8083063 | Iustin Pop | |
1501 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
1502 | a8083063 | Iustin Pop | |
1503 | 26b6af5e | Guido Trotter | instance_cfg[instance] = inst_config |
1504 | 26b6af5e | Guido Trotter | |
1505 | 93e4c50b | Guido Trotter | pnode = inst_config.primary_node |
1506 | a0c9776a | Iustin Pop | _ErrorIf(pnode not in node_info and pnode not in n_offline, |
1507 | a0c9776a | Iustin Pop | self.ENODERPC, pnode, "instance %s, connection to" |
1508 | a0c9776a | Iustin Pop | " primary node failed", instance)
|
1509 | 93e4c50b | Guido Trotter | if pnode in node_info: |
1510 | 93e4c50b | Guido Trotter | node_info[pnode]['pinst'].append(instance)
|
1511 | 93e4c50b | Guido Trotter | |
1512 | 832261fd | Iustin Pop | if pnode in n_offline: |
1513 | 832261fd | Iustin Pop | inst_nodes_offline.append(pnode) |
1514 | 832261fd | Iustin Pop | |
1515 | 93e4c50b | Guido Trotter | # If the instance is non-redundant we cannot survive losing its primary
|
1516 | 93e4c50b | Guido Trotter | # node, so we are not N+1 compliant. On the other hand we have no disk
|
1517 | 93e4c50b | Guido Trotter | # templates with more than one secondary so that situation is not well
|
1518 | 93e4c50b | Guido Trotter | # supported either.
|
1519 | 93e4c50b | Guido Trotter | # FIXME: does not support file-backed instances
|
1520 | 93e4c50b | Guido Trotter | if len(inst_config.secondary_nodes) == 0: |
1521 | 93e4c50b | Guido Trotter | i_non_redundant.append(instance) |
1522 | a0c9776a | Iustin Pop | _ErrorIf(len(inst_config.secondary_nodes) > 1, |
1523 | a0c9776a | Iustin Pop | self.EINSTANCELAYOUT, instance,
|
1524 | a0c9776a | Iustin Pop | "instance has multiple secondary nodes", code="WARNING") |
1525 | 93e4c50b | Guido Trotter | |
1526 | c0f2b229 | Iustin Pop | if not cluster.FillBE(inst_config)[constants.BE_AUTO_BALANCE]: |
1527 | 3924700f | Iustin Pop | i_non_a_balanced.append(instance) |
1528 | 3924700f | Iustin Pop | |
1529 | 93e4c50b | Guido Trotter | for snode in inst_config.secondary_nodes: |
1530 | a0c9776a | Iustin Pop | _ErrorIf(snode not in node_info and snode not in n_offline, |
1531 | a0c9776a | Iustin Pop | self.ENODERPC, snode,
|
1532 | a0c9776a | Iustin Pop | "instance %s, connection to secondary node"
|
1533 | a0c9776a | Iustin Pop | "failed", instance)
|
1534 | a0c9776a | Iustin Pop | |
1535 | 93e4c50b | Guido Trotter | if snode in node_info: |
1536 | 93e4c50b | Guido Trotter | node_info[snode]['sinst'].append(instance)
|
1537 | 36e7da50 | Guido Trotter | if pnode not in node_info[snode]['sinst-by-pnode']: |
1538 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode] = []
|
1539 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode].append(instance)
|
1540 | a0c9776a | Iustin Pop | |
1541 | 832261fd | Iustin Pop | if snode in n_offline: |
1542 | 832261fd | Iustin Pop | inst_nodes_offline.append(snode) |
1543 | 832261fd | Iustin Pop | |
1544 | a0c9776a | Iustin Pop | # warn that the instance lives on offline nodes
|
1545 | a0c9776a | Iustin Pop | _ErrorIf(inst_nodes_offline, self.EINSTANCEBADNODE, instance,
|
1546 | a0c9776a | Iustin Pop | "instance lives on offline node(s) %s",
|
1547 | 1f864b60 | Iustin Pop | utils.CommaJoin(inst_nodes_offline)) |
1548 | 93e4c50b | Guido Trotter | |
1549 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
1550 | a0c9776a | Iustin Pop | self._VerifyOrphanVolumes(node_vol_should, node_volume)
|
1551 | a8083063 | Iustin Pop | |
1552 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
1553 | a0c9776a | Iustin Pop | self._VerifyOrphanInstances(instancelist, node_instance)
|
1554 | a8083063 | Iustin Pop | |
1555 | e54c4c5e | Guido Trotter | if constants.VERIFY_NPLUSONE_MEM not in self.skip_set: |
1556 | e54c4c5e | Guido Trotter | feedback_fn("* Verifying N+1 Memory redundancy")
|
1557 | a0c9776a | Iustin Pop | self._VerifyNPlusOneMemory(node_info, instance_cfg)
|
1558 | 2b3b6ddd | Guido Trotter | |
1559 | 2b3b6ddd | Guido Trotter | feedback_fn("* Other Notes")
|
1560 | 2b3b6ddd | Guido Trotter | if i_non_redundant:
|
1561 | 2b3b6ddd | Guido Trotter | feedback_fn(" - NOTICE: %d non-redundant instance(s) found."
|
1562 | 2b3b6ddd | Guido Trotter | % len(i_non_redundant))
|
1563 | 2b3b6ddd | Guido Trotter | |
1564 | 3924700f | Iustin Pop | if i_non_a_balanced:
|
1565 | 3924700f | Iustin Pop | feedback_fn(" - NOTICE: %d non-auto-balanced instance(s) found."
|
1566 | 3924700f | Iustin Pop | % len(i_non_a_balanced))
|
1567 | 3924700f | Iustin Pop | |
1568 | 0a66c968 | Iustin Pop | if n_offline:
|
1569 | 0a66c968 | Iustin Pop | feedback_fn(" - NOTICE: %d offline node(s) found." % len(n_offline)) |
1570 | 0a66c968 | Iustin Pop | |
1571 | 22f0f71d | Iustin Pop | if n_drained:
|
1572 | 22f0f71d | Iustin Pop | feedback_fn(" - NOTICE: %d drained node(s) found." % len(n_drained)) |
1573 | 22f0f71d | Iustin Pop | |
1574 | a0c9776a | Iustin Pop | return not self.bad |
1575 | a8083063 | Iustin Pop | |
1576 | d8fff41c | Guido Trotter | def HooksCallBack(self, phase, hooks_results, feedback_fn, lu_result): |
1577 | 5bbd3f7f | Michael Hanselmann | """Analyze the post-hooks' result
|
1578 | e4376078 | Iustin Pop |
|
1579 | e4376078 | Iustin Pop | This method analyses the hook result, handles it, and sends some
|
1580 | d8fff41c | Guido Trotter | nicely-formatted feedback back to the user.
|
1581 | d8fff41c | Guido Trotter |
|
1582 | e4376078 | Iustin Pop | @param phase: one of L{constants.HOOKS_PHASE_POST} or
|
1583 | e4376078 | Iustin Pop | L{constants.HOOKS_PHASE_PRE}; it denotes the hooks phase
|
1584 | e4376078 | Iustin Pop | @param hooks_results: the results of the multi-node hooks rpc call
|
1585 | e4376078 | Iustin Pop | @param feedback_fn: function used send feedback back to the caller
|
1586 | e4376078 | Iustin Pop | @param lu_result: previous Exec result
|
1587 | e4376078 | Iustin Pop | @return: the new Exec result, based on the previous result
|
1588 | e4376078 | Iustin Pop | and hook results
|
1589 | d8fff41c | Guido Trotter |
|
1590 | d8fff41c | Guido Trotter | """
|
1591 | 38206f3c | Iustin Pop | # We only really run POST phase hooks, and are only interested in
|
1592 | 38206f3c | Iustin Pop | # their results
|
1593 | d8fff41c | Guido Trotter | if phase == constants.HOOKS_PHASE_POST:
|
1594 | d8fff41c | Guido Trotter | # Used to change hooks' output to proper indentation
|
1595 | d8fff41c | Guido Trotter | indent_re = re.compile('^', re.M)
|
1596 | d8fff41c | Guido Trotter | feedback_fn("* Hooks Results")
|
1597 | 7c874ee1 | Iustin Pop | assert hooks_results, "invalid result from hooks" |
1598 | 7c874ee1 | Iustin Pop | |
1599 | 7c874ee1 | Iustin Pop | for node_name in hooks_results: |
1600 | 7c874ee1 | Iustin Pop | res = hooks_results[node_name] |
1601 | 7c874ee1 | Iustin Pop | msg = res.fail_msg |
1602 | a0c9776a | Iustin Pop | test = msg and not res.offline |
1603 | a0c9776a | Iustin Pop | self._ErrorIf(test, self.ENODEHOOKS, node_name, |
1604 | 7c874ee1 | Iustin Pop | "Communication failure in hooks execution: %s", msg)
|
1605 | a0c9776a | Iustin Pop | if test:
|
1606 | a0c9776a | Iustin Pop | # override manually lu_result here as _ErrorIf only
|
1607 | a0c9776a | Iustin Pop | # overrides self.bad
|
1608 | 7c874ee1 | Iustin Pop | lu_result = 1
|
1609 | 7c874ee1 | Iustin Pop | continue
|
1610 | 7c874ee1 | Iustin Pop | for script, hkr, output in res.payload: |
1611 | a0c9776a | Iustin Pop | test = hkr == constants.HKR_FAIL |
1612 | a0c9776a | Iustin Pop | self._ErrorIf(test, self.ENODEHOOKS, node_name, |
1613 | 7c874ee1 | Iustin Pop | "Script %s failed, output:", script)
|
1614 | a0c9776a | Iustin Pop | if test:
|
1615 | 7c874ee1 | Iustin Pop | output = indent_re.sub(' ', output)
|
1616 | 7c874ee1 | Iustin Pop | feedback_fn("%s" % output)
|
1617 | 7c874ee1 | Iustin Pop | lu_result = 1
|
1618 | d8fff41c | Guido Trotter | |
1619 | d8fff41c | Guido Trotter | return lu_result
|
1620 | d8fff41c | Guido Trotter | |
1621 | a8083063 | Iustin Pop | |
1622 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
1623 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
1624 | 2c95a8d4 | Iustin Pop |
|
1625 | 2c95a8d4 | Iustin Pop | """
|
1626 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
1627 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
1628 | d4b9d97f | Guido Trotter | |
1629 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
1630 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
1631 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1632 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
1633 | d4b9d97f | Guido Trotter | } |
1634 | c772d142 | Michael Hanselmann | self.share_locks = dict.fromkeys(locking.LEVELS, 1) |
1635 | 2c95a8d4 | Iustin Pop | |
1636 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
1637 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
1638 | 2c95a8d4 | Iustin Pop |
|
1639 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
1640 | 2c95a8d4 | Iustin Pop |
|
1641 | 2c95a8d4 | Iustin Pop | """
|
1642 | 2c95a8d4 | Iustin Pop | pass
|
1643 | 2c95a8d4 | Iustin Pop | |
1644 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
1645 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
1646 | 2c95a8d4 | Iustin Pop |
|
1647 | 29d376ec | Iustin Pop | @rtype: tuple of three items
|
1648 | 29d376ec | Iustin Pop | @return: a tuple of (dict of node-to-node_error, list of instances
|
1649 | 29d376ec | Iustin Pop | which need activate-disks, dict of instance: (node, volume) for
|
1650 | 29d376ec | Iustin Pop | missing volumes
|
1651 | 29d376ec | Iustin Pop |
|
1652 | 2c95a8d4 | Iustin Pop | """
|
1653 | 29d376ec | Iustin Pop | result = res_nodes, res_instances, res_missing = {}, [], {} |
1654 | 2c95a8d4 | Iustin Pop | |
1655 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
1656 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
1657 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
1658 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
1659 | 2c95a8d4 | Iustin Pop | |
1660 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
1661 | 2c95a8d4 | Iustin Pop | for inst in instances: |
1662 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
1663 | 0d68c45d | Iustin Pop | if (not inst.admin_up or |
1664 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
1665 | 2c95a8d4 | Iustin Pop | continue
|
1666 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
1667 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
1668 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
1669 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
1670 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
1671 | 2c95a8d4 | Iustin Pop | |
1672 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
1673 | 2c95a8d4 | Iustin Pop | return result
|
1674 | 2c95a8d4 | Iustin Pop | |
1675 | b2a6ccd4 | Iustin Pop | node_lvs = self.rpc.call_lv_list(nodes, vg_name)
|
1676 | 2c95a8d4 | Iustin Pop | |
1677 | 2c95a8d4 | Iustin Pop | for node in nodes: |
1678 | 2c95a8d4 | Iustin Pop | # node_volume
|
1679 | 29d376ec | Iustin Pop | node_res = node_lvs[node] |
1680 | 29d376ec | Iustin Pop | if node_res.offline:
|
1681 | ea9ddc07 | Iustin Pop | continue
|
1682 | 4c4e4e1e | Iustin Pop | msg = node_res.fail_msg |
1683 | 29d376ec | Iustin Pop | if msg:
|
1684 | 29d376ec | Iustin Pop | logging.warning("Error enumerating LVs on node %s: %s", node, msg)
|
1685 | 29d376ec | Iustin Pop | res_nodes[node] = msg |
1686 | 2c95a8d4 | Iustin Pop | continue
|
1687 | 2c95a8d4 | Iustin Pop | |
1688 | 29d376ec | Iustin Pop | lvs = node_res.payload |
1689 | 1122eb25 | Iustin Pop | for lv_name, (_, _, lv_online) in lvs.items(): |
1690 | b63ed789 | Iustin Pop | inst = nv_dict.pop((node, lv_name), None)
|
1691 | b63ed789 | Iustin Pop | if (not lv_online and inst is not None |
1692 | b63ed789 | Iustin Pop | and inst.name not in res_instances): |
1693 | b08d5a87 | Iustin Pop | res_instances.append(inst.name) |
1694 | 2c95a8d4 | Iustin Pop | |
1695 | b63ed789 | Iustin Pop | # any leftover items in nv_dict are missing LVs, let's arrange the
|
1696 | b63ed789 | Iustin Pop | # data better
|
1697 | b63ed789 | Iustin Pop | for key, inst in nv_dict.iteritems(): |
1698 | b63ed789 | Iustin Pop | if inst.name not in res_missing: |
1699 | b63ed789 | Iustin Pop | res_missing[inst.name] = [] |
1700 | b63ed789 | Iustin Pop | res_missing[inst.name].append(key) |
1701 | b63ed789 | Iustin Pop | |
1702 | 2c95a8d4 | Iustin Pop | return result
|
1703 | 2c95a8d4 | Iustin Pop | |
1704 | 2c95a8d4 | Iustin Pop | |
1705 | 60975797 | Iustin Pop | class LURepairDiskSizes(NoHooksLU): |
1706 | 60975797 | Iustin Pop | """Verifies the cluster disks sizes.
|
1707 | 60975797 | Iustin Pop |
|
1708 | 60975797 | Iustin Pop | """
|
1709 | 60975797 | Iustin Pop | _OP_REQP = ["instances"]
|
1710 | 60975797 | Iustin Pop | REQ_BGL = False
|
1711 | 60975797 | Iustin Pop | |
1712 | 60975797 | Iustin Pop | def ExpandNames(self): |
1713 | 60975797 | Iustin Pop | if not isinstance(self.op.instances, list): |
1714 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'", |
1715 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
1716 | 60975797 | Iustin Pop | |
1717 | 60975797 | Iustin Pop | if self.op.instances: |
1718 | 60975797 | Iustin Pop | self.wanted_names = []
|
1719 | 60975797 | Iustin Pop | for name in self.op.instances: |
1720 | 60975797 | Iustin Pop | full_name = self.cfg.ExpandInstanceName(name)
|
1721 | 60975797 | Iustin Pop | if full_name is None: |
1722 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % name, |
1723 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
1724 | 60975797 | Iustin Pop | self.wanted_names.append(full_name)
|
1725 | 60975797 | Iustin Pop | self.needed_locks = {
|
1726 | 60975797 | Iustin Pop | locking.LEVEL_NODE: [], |
1727 | 60975797 | Iustin Pop | locking.LEVEL_INSTANCE: self.wanted_names,
|
1728 | 60975797 | Iustin Pop | } |
1729 | 60975797 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
1730 | 60975797 | Iustin Pop | else:
|
1731 | 60975797 | Iustin Pop | self.wanted_names = None |
1732 | 60975797 | Iustin Pop | self.needed_locks = {
|
1733 | 60975797 | Iustin Pop | locking.LEVEL_NODE: locking.ALL_SET, |
1734 | 60975797 | Iustin Pop | locking.LEVEL_INSTANCE: locking.ALL_SET, |
1735 | 60975797 | Iustin Pop | } |
1736 | 60975797 | Iustin Pop | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
1737 | 60975797 | Iustin Pop | |
1738 | 60975797 | Iustin Pop | def DeclareLocks(self, level): |
1739 | 60975797 | Iustin Pop | if level == locking.LEVEL_NODE and self.wanted_names is not None: |
1740 | 60975797 | Iustin Pop | self._LockInstancesNodes(primary_only=True) |
1741 | 60975797 | Iustin Pop | |
1742 | 60975797 | Iustin Pop | def CheckPrereq(self): |
1743 | 60975797 | Iustin Pop | """Check prerequisites.
|
1744 | 60975797 | Iustin Pop |
|
1745 | 60975797 | Iustin Pop | This only checks the optional instance list against the existing names.
|
1746 | 60975797 | Iustin Pop |
|
1747 | 60975797 | Iustin Pop | """
|
1748 | 60975797 | Iustin Pop | if self.wanted_names is None: |
1749 | 60975797 | Iustin Pop | self.wanted_names = self.acquired_locks[locking.LEVEL_INSTANCE] |
1750 | 60975797 | Iustin Pop | |
1751 | 60975797 | Iustin Pop | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
1752 | 60975797 | Iustin Pop | in self.wanted_names] |
1753 | 60975797 | Iustin Pop | |
1754 | b775c337 | Iustin Pop | def _EnsureChildSizes(self, disk): |
1755 | b775c337 | Iustin Pop | """Ensure children of the disk have the needed disk size.
|
1756 | b775c337 | Iustin Pop |
|
1757 | b775c337 | Iustin Pop | This is valid mainly for DRBD8 and fixes an issue where the
|
1758 | b775c337 | Iustin Pop | children have smaller disk size.
|
1759 | b775c337 | Iustin Pop |
|
1760 | b775c337 | Iustin Pop | @param disk: an L{ganeti.objects.Disk} object
|
1761 | b775c337 | Iustin Pop |
|
1762 | b775c337 | Iustin Pop | """
|
1763 | b775c337 | Iustin Pop | if disk.dev_type == constants.LD_DRBD8:
|
1764 | b775c337 | Iustin Pop | assert disk.children, "Empty children for DRBD8?" |
1765 | b775c337 | Iustin Pop | fchild = disk.children[0]
|
1766 | b775c337 | Iustin Pop | mismatch = fchild.size < disk.size |
1767 | b775c337 | Iustin Pop | if mismatch:
|
1768 | b775c337 | Iustin Pop | self.LogInfo("Child disk has size %d, parent %d, fixing", |
1769 | b775c337 | Iustin Pop | fchild.size, disk.size) |
1770 | b775c337 | Iustin Pop | fchild.size = disk.size |
1771 | b775c337 | Iustin Pop | |
1772 | b775c337 | Iustin Pop | # and we recurse on this child only, not on the metadev
|
1773 | b775c337 | Iustin Pop | return self._EnsureChildSizes(fchild) or mismatch |
1774 | b775c337 | Iustin Pop | else:
|
1775 | b775c337 | Iustin Pop | return False |
1776 | b775c337 | Iustin Pop | |
1777 | 60975797 | Iustin Pop | def Exec(self, feedback_fn): |
1778 | 60975797 | Iustin Pop | """Verify the size of cluster disks.
|
1779 | 60975797 | Iustin Pop |
|
1780 | 60975797 | Iustin Pop | """
|
1781 | 60975797 | Iustin Pop | # TODO: check child disks too
|
1782 | 60975797 | Iustin Pop | # TODO: check differences in size between primary/secondary nodes
|
1783 | 60975797 | Iustin Pop | per_node_disks = {} |
1784 | 60975797 | Iustin Pop | for instance in self.wanted_instances: |
1785 | 60975797 | Iustin Pop | pnode = instance.primary_node |
1786 | 60975797 | Iustin Pop | if pnode not in per_node_disks: |
1787 | 60975797 | Iustin Pop | per_node_disks[pnode] = [] |
1788 | 60975797 | Iustin Pop | for idx, disk in enumerate(instance.disks): |
1789 | 60975797 | Iustin Pop | per_node_disks[pnode].append((instance, idx, disk)) |
1790 | 60975797 | Iustin Pop | |
1791 | 60975797 | Iustin Pop | changed = [] |
1792 | 60975797 | Iustin Pop | for node, dskl in per_node_disks.items(): |
1793 | 4d9e6835 | Iustin Pop | newl = [v[2].Copy() for v in dskl] |
1794 | 4d9e6835 | Iustin Pop | for dsk in newl: |
1795 | 4d9e6835 | Iustin Pop | self.cfg.SetDiskID(dsk, node)
|
1796 | 4d9e6835 | Iustin Pop | result = self.rpc.call_blockdev_getsizes(node, newl)
|
1797 | 3cebe102 | Michael Hanselmann | if result.fail_msg:
|
1798 | 60975797 | Iustin Pop | self.LogWarning("Failure in blockdev_getsizes call to node" |
1799 | 60975797 | Iustin Pop | " %s, ignoring", node)
|
1800 | 60975797 | Iustin Pop | continue
|
1801 | 60975797 | Iustin Pop | if len(result.data) != len(dskl): |
1802 | 60975797 | Iustin Pop | self.LogWarning("Invalid result from node %s, ignoring node results", |
1803 | 60975797 | Iustin Pop | node) |
1804 | 60975797 | Iustin Pop | continue
|
1805 | 60975797 | Iustin Pop | for ((instance, idx, disk), size) in zip(dskl, result.data): |
1806 | 60975797 | Iustin Pop | if size is None: |
1807 | 60975797 | Iustin Pop | self.LogWarning("Disk %d of instance %s did not return size" |
1808 | 60975797 | Iustin Pop | " information, ignoring", idx, instance.name)
|
1809 | 60975797 | Iustin Pop | continue
|
1810 | 60975797 | Iustin Pop | if not isinstance(size, (int, long)): |
1811 | 60975797 | Iustin Pop | self.LogWarning("Disk %d of instance %s did not return valid" |
1812 | 60975797 | Iustin Pop | " size information, ignoring", idx, instance.name)
|
1813 | 60975797 | Iustin Pop | continue
|
1814 | 60975797 | Iustin Pop | size = size >> 20
|
1815 | 60975797 | Iustin Pop | if size != disk.size:
|
1816 | 60975797 | Iustin Pop | self.LogInfo("Disk %d of instance %s has mismatched size," |
1817 | 60975797 | Iustin Pop | " correcting: recorded %d, actual %d", idx,
|
1818 | 60975797 | Iustin Pop | instance.name, disk.size, size) |
1819 | 60975797 | Iustin Pop | disk.size = size |
1820 | a4eae71f | Michael Hanselmann | self.cfg.Update(instance, feedback_fn)
|
1821 | 60975797 | Iustin Pop | changed.append((instance.name, idx, size)) |
1822 | b775c337 | Iustin Pop | if self._EnsureChildSizes(disk): |
1823 | a4eae71f | Michael Hanselmann | self.cfg.Update(instance, feedback_fn)
|
1824 | b775c337 | Iustin Pop | changed.append((instance.name, idx, disk.size)) |
1825 | 60975797 | Iustin Pop | return changed
|
1826 | 60975797 | Iustin Pop | |
1827 | 60975797 | Iustin Pop | |
1828 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
1829 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1830 | 07bd8a51 | Iustin Pop |
|
1831 | 07bd8a51 | Iustin Pop | """
|
1832 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
1833 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
1834 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
1835 | 07bd8a51 | Iustin Pop | |
1836 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
1837 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
1838 | 07bd8a51 | Iustin Pop |
|
1839 | 07bd8a51 | Iustin Pop | """
|
1840 | 07bd8a51 | Iustin Pop | env = { |
1841 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1842 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
1843 | 07bd8a51 | Iustin Pop | } |
1844 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1845 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
1846 | 07bd8a51 | Iustin Pop | |
1847 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
1848 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
1849 | 07bd8a51 | Iustin Pop |
|
1850 | 07bd8a51 | Iustin Pop | """
|
1851 | 104f4ca1 | Iustin Pop | hostname = utils.GetHostInfo(self.op.name)
|
1852 | 07bd8a51 | Iustin Pop | |
1853 | bcf043c9 | Iustin Pop | new_name = hostname.name |
1854 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
1855 | d6a02168 | Michael Hanselmann | old_name = self.cfg.GetClusterName()
|
1856 | d6a02168 | Michael Hanselmann | old_ip = self.cfg.GetMasterIP()
|
1857 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
1858 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
1859 | 5c983ee5 | Iustin Pop | " cluster has changed",
|
1860 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
1861 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
1862 | 937f983d | Guido Trotter | if utils.TcpPing(new_ip, constants.DEFAULT_NODED_PORT):
|
1863 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
1864 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
1865 | 5c983ee5 | Iustin Pop | new_ip, errors.ECODE_NOTUNIQUE) |
1866 | 07bd8a51 | Iustin Pop | |
1867 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
1868 | 07bd8a51 | Iustin Pop | |
1869 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
1870 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1871 | 07bd8a51 | Iustin Pop |
|
1872 | 07bd8a51 | Iustin Pop | """
|
1873 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
1874 | 07bd8a51 | Iustin Pop | ip = self.ip
|
1875 | 07bd8a51 | Iustin Pop | |
1876 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
1877 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
1878 | 781de953 | Iustin Pop | result = self.rpc.call_node_stop_master(master, False) |
1879 | 4c4e4e1e | Iustin Pop | result.Raise("Could not disable the master role")
|
1880 | 07bd8a51 | Iustin Pop | |
1881 | 07bd8a51 | Iustin Pop | try:
|
1882 | 55cf7d83 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
1883 | 55cf7d83 | Iustin Pop | cluster.cluster_name = clustername |
1884 | 55cf7d83 | Iustin Pop | cluster.master_ip = ip |
1885 | a4eae71f | Michael Hanselmann | self.cfg.Update(cluster, feedback_fn)
|
1886 | ec85e3d5 | Iustin Pop | |
1887 | ec85e3d5 | Iustin Pop | # update the known hosts file
|
1888 | ec85e3d5 | Iustin Pop | ssh.WriteKnownHostsFile(self.cfg, constants.SSH_KNOWN_HOSTS_FILE)
|
1889 | ec85e3d5 | Iustin Pop | node_list = self.cfg.GetNodeList()
|
1890 | ec85e3d5 | Iustin Pop | try:
|
1891 | ec85e3d5 | Iustin Pop | node_list.remove(master) |
1892 | ec85e3d5 | Iustin Pop | except ValueError: |
1893 | ec85e3d5 | Iustin Pop | pass
|
1894 | ec85e3d5 | Iustin Pop | result = self.rpc.call_upload_file(node_list,
|
1895 | ec85e3d5 | Iustin Pop | constants.SSH_KNOWN_HOSTS_FILE) |
1896 | ec85e3d5 | Iustin Pop | for to_node, to_result in result.iteritems(): |
1897 | 6f7d4e75 | Iustin Pop | msg = to_result.fail_msg |
1898 | 6f7d4e75 | Iustin Pop | if msg:
|
1899 | 6f7d4e75 | Iustin Pop | msg = ("Copy of file %s to node %s failed: %s" %
|
1900 | 6f7d4e75 | Iustin Pop | (constants.SSH_KNOWN_HOSTS_FILE, to_node, msg)) |
1901 | 6f7d4e75 | Iustin Pop | self.proc.LogWarning(msg)
|
1902 | ec85e3d5 | Iustin Pop | |
1903 | 07bd8a51 | Iustin Pop | finally:
|
1904 | 3583908a | Guido Trotter | result = self.rpc.call_node_start_master(master, False, False) |
1905 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
1906 | b726aff0 | Iustin Pop | if msg:
|
1907 | 86d9d3bb | Iustin Pop | self.LogWarning("Could not re-enable the master role on" |
1908 | b726aff0 | Iustin Pop | " the master, please restart manually: %s", msg)
|
1909 | 07bd8a51 | Iustin Pop | |
1910 | 07bd8a51 | Iustin Pop | |
1911 | 8084f9f6 | Manuel Franceschini | def _RecursiveCheckIfLVMBased(disk): |
1912 | 8084f9f6 | Manuel Franceschini | """Check if the given disk or its children are lvm-based.
|
1913 | 8084f9f6 | Manuel Franceschini |
|
1914 | e4376078 | Iustin Pop | @type disk: L{objects.Disk}
|
1915 | e4376078 | Iustin Pop | @param disk: the disk to check
|
1916 | 5bbd3f7f | Michael Hanselmann | @rtype: boolean
|
1917 | e4376078 | Iustin Pop | @return: boolean indicating whether a LD_LV dev_type was found or not
|
1918 | 8084f9f6 | Manuel Franceschini |
|
1919 | 8084f9f6 | Manuel Franceschini | """
|
1920 | 8084f9f6 | Manuel Franceschini | if disk.children:
|
1921 | 8084f9f6 | Manuel Franceschini | for chdisk in disk.children: |
1922 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(chdisk):
|
1923 | 8084f9f6 | Manuel Franceschini | return True |
1924 | 8084f9f6 | Manuel Franceschini | return disk.dev_type == constants.LD_LV
|
1925 | 8084f9f6 | Manuel Franceschini | |
1926 | 8084f9f6 | Manuel Franceschini | |
1927 | 8084f9f6 | Manuel Franceschini | class LUSetClusterParams(LogicalUnit): |
1928 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1929 | 8084f9f6 | Manuel Franceschini |
|
1930 | 8084f9f6 | Manuel Franceschini | """
|
1931 | 8084f9f6 | Manuel Franceschini | HPATH = "cluster-modify"
|
1932 | 8084f9f6 | Manuel Franceschini | HTYPE = constants.HTYPE_CLUSTER |
1933 | 8084f9f6 | Manuel Franceschini | _OP_REQP = [] |
1934 | c53279cf | Guido Trotter | REQ_BGL = False
|
1935 | c53279cf | Guido Trotter | |
1936 | 3994f455 | Iustin Pop | def CheckArguments(self): |
1937 | 4b7735f9 | Iustin Pop | """Check parameters
|
1938 | 4b7735f9 | Iustin Pop |
|
1939 | 4b7735f9 | Iustin Pop | """
|
1940 | 4b7735f9 | Iustin Pop | if not hasattr(self.op, "candidate_pool_size"): |
1941 | 4b7735f9 | Iustin Pop | self.op.candidate_pool_size = None |
1942 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size is not None: |
1943 | 4b7735f9 | Iustin Pop | try:
|
1944 | 4b7735f9 | Iustin Pop | self.op.candidate_pool_size = int(self.op.candidate_pool_size) |
1945 | 3994f455 | Iustin Pop | except (ValueError, TypeError), err: |
1946 | 4b7735f9 | Iustin Pop | raise errors.OpPrereqError("Invalid candidate_pool_size value: %s" % |
1947 | 5c983ee5 | Iustin Pop | str(err), errors.ECODE_INVAL)
|
1948 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size < 1: |
1949 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("At least one master candidate needed", |
1950 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
1951 | 4b7735f9 | Iustin Pop | |
1952 | c53279cf | Guido Trotter | def ExpandNames(self): |
1953 | c53279cf | Guido Trotter | # FIXME: in the future maybe other cluster params won't require checking on
|
1954 | c53279cf | Guido Trotter | # all nodes to be modified.
|
1955 | c53279cf | Guido Trotter | self.needed_locks = {
|
1956 | c53279cf | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1957 | c53279cf | Guido Trotter | } |
1958 | c53279cf | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1959 | 8084f9f6 | Manuel Franceschini | |
1960 | 8084f9f6 | Manuel Franceschini | def BuildHooksEnv(self): |
1961 | 8084f9f6 | Manuel Franceschini | """Build hooks env.
|
1962 | 8084f9f6 | Manuel Franceschini |
|
1963 | 8084f9f6 | Manuel Franceschini | """
|
1964 | 8084f9f6 | Manuel Franceschini | env = { |
1965 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1966 | 8084f9f6 | Manuel Franceschini | "NEW_VG_NAME": self.op.vg_name, |
1967 | 8084f9f6 | Manuel Franceschini | } |
1968 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1969 | 8084f9f6 | Manuel Franceschini | return env, [mn], [mn]
|
1970 | 8084f9f6 | Manuel Franceschini | |
1971 | 8084f9f6 | Manuel Franceschini | def CheckPrereq(self): |
1972 | 8084f9f6 | Manuel Franceschini | """Check prerequisites.
|
1973 | 8084f9f6 | Manuel Franceschini |
|
1974 | 8084f9f6 | Manuel Franceschini | This checks whether the given params don't conflict and
|
1975 | 5f83e263 | Iustin Pop | if the given volume group is valid.
|
1976 | 8084f9f6 | Manuel Franceschini |
|
1977 | 8084f9f6 | Manuel Franceschini | """
|
1978 | 779c15bb | Iustin Pop | if self.op.vg_name is not None and not self.op.vg_name: |
1979 | c53279cf | Guido Trotter | instances = self.cfg.GetAllInstancesInfo().values()
|
1980 | 8084f9f6 | Manuel Franceschini | for inst in instances: |
1981 | 8084f9f6 | Manuel Franceschini | for disk in inst.disks: |
1982 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(disk):
|
1983 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Cannot disable lvm storage while" |
1984 | 5c983ee5 | Iustin Pop | " lvm-based instances exist",
|
1985 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
1986 | 8084f9f6 | Manuel Franceschini | |
1987 | 779c15bb | Iustin Pop | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1988 | 779c15bb | Iustin Pop | |
1989 | 8084f9f6 | Manuel Franceschini | # if vg_name not None, checks given volume group on all nodes
|
1990 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name: |
1991 | 72737a7f | Iustin Pop | vglist = self.rpc.call_vg_list(node_list)
|
1992 | 8084f9f6 | Manuel Franceschini | for node in node_list: |
1993 | 4c4e4e1e | Iustin Pop | msg = vglist[node].fail_msg |
1994 | e480923b | Iustin Pop | if msg:
|
1995 | 781de953 | Iustin Pop | # ignoring down node
|
1996 | e480923b | Iustin Pop | self.LogWarning("Error while gathering data on node %s" |
1997 | e480923b | Iustin Pop | " (ignoring node): %s", node, msg)
|
1998 | 781de953 | Iustin Pop | continue
|
1999 | e480923b | Iustin Pop | vgstatus = utils.CheckVolumeGroupSize(vglist[node].payload, |
2000 | 781de953 | Iustin Pop | self.op.vg_name,
|
2001 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
2002 | 8084f9f6 | Manuel Franceschini | if vgstatus:
|
2003 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Error on node '%s': %s" % |
2004 | 5c983ee5 | Iustin Pop | (node, vgstatus), errors.ECODE_ENVIRON) |
2005 | 8084f9f6 | Manuel Franceschini | |
2006 | 779c15bb | Iustin Pop | self.cluster = cluster = self.cfg.GetClusterInfo() |
2007 | 5af3da74 | Guido Trotter | # validate params changes
|
2008 | 779c15bb | Iustin Pop | if self.op.beparams: |
2009 | a5728081 | Guido Trotter | utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
|
2010 | abe609b2 | Guido Trotter | self.new_beparams = objects.FillDict(
|
2011 | 4ef7f423 | Guido Trotter | cluster.beparams[constants.PP_DEFAULT], self.op.beparams)
|
2012 | 779c15bb | Iustin Pop | |
2013 | 5af3da74 | Guido Trotter | if self.op.nicparams: |
2014 | 5af3da74 | Guido Trotter | utils.ForceDictType(self.op.nicparams, constants.NICS_PARAMETER_TYPES)
|
2015 | 5af3da74 | Guido Trotter | self.new_nicparams = objects.FillDict(
|
2016 | 5af3da74 | Guido Trotter | cluster.nicparams[constants.PP_DEFAULT], self.op.nicparams)
|
2017 | 5af3da74 | Guido Trotter | objects.NIC.CheckParameterSyntax(self.new_nicparams)
|
2018 | 90b704a1 | Guido Trotter | nic_errors = [] |
2019 | 90b704a1 | Guido Trotter | |
2020 | 90b704a1 | Guido Trotter | # check all instances for consistency
|
2021 | 90b704a1 | Guido Trotter | for instance in self.cfg.GetAllInstancesInfo().values(): |
2022 | 90b704a1 | Guido Trotter | for nic_idx, nic in enumerate(instance.nics): |
2023 | 90b704a1 | Guido Trotter | params_copy = copy.deepcopy(nic.nicparams) |
2024 | 90b704a1 | Guido Trotter | params_filled = objects.FillDict(self.new_nicparams, params_copy)
|
2025 | 90b704a1 | Guido Trotter | |
2026 | 90b704a1 | Guido Trotter | # check parameter syntax
|
2027 | 90b704a1 | Guido Trotter | try:
|
2028 | 90b704a1 | Guido Trotter | objects.NIC.CheckParameterSyntax(params_filled) |
2029 | 90b704a1 | Guido Trotter | except errors.ConfigurationError, err:
|
2030 | 90b704a1 | Guido Trotter | nic_errors.append("Instance %s, nic/%d: %s" %
|
2031 | 90b704a1 | Guido Trotter | (instance.name, nic_idx, err)) |
2032 | 90b704a1 | Guido Trotter | |
2033 | 90b704a1 | Guido Trotter | # if we're moving instances to routed, check that they have an ip
|
2034 | 90b704a1 | Guido Trotter | target_mode = params_filled[constants.NIC_MODE] |
2035 | 90b704a1 | Guido Trotter | if target_mode == constants.NIC_MODE_ROUTED and not nic.ip: |
2036 | 90b704a1 | Guido Trotter | nic_errors.append("Instance %s, nic/%d: routed nick with no ip" %
|
2037 | 90b704a1 | Guido Trotter | (instance.name, nic_idx)) |
2038 | 90b704a1 | Guido Trotter | if nic_errors:
|
2039 | 90b704a1 | Guido Trotter | raise errors.OpPrereqError("Cannot apply the change, errors:\n%s" % |
2040 | 90b704a1 | Guido Trotter | "\n".join(nic_errors))
|
2041 | 5af3da74 | Guido Trotter | |
2042 | 779c15bb | Iustin Pop | # hypervisor list/parameters
|
2043 | abe609b2 | Guido Trotter | self.new_hvparams = objects.FillDict(cluster.hvparams, {})
|
2044 | 779c15bb | Iustin Pop | if self.op.hvparams: |
2045 | 779c15bb | Iustin Pop | if not isinstance(self.op.hvparams, dict): |
2046 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid 'hvparams' parameter on input", |
2047 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2048 | 779c15bb | Iustin Pop | for hv_name, hv_dict in self.op.hvparams.items(): |
2049 | 779c15bb | Iustin Pop | if hv_name not in self.new_hvparams: |
2050 | 779c15bb | Iustin Pop | self.new_hvparams[hv_name] = hv_dict
|
2051 | 779c15bb | Iustin Pop | else:
|
2052 | 779c15bb | Iustin Pop | self.new_hvparams[hv_name].update(hv_dict)
|
2053 | 779c15bb | Iustin Pop | |
2054 | 779c15bb | Iustin Pop | if self.op.enabled_hypervisors is not None: |
2055 | 779c15bb | Iustin Pop | self.hv_list = self.op.enabled_hypervisors |
2056 | b119bccb | Guido Trotter | if not self.hv_list: |
2057 | b119bccb | Guido Trotter | raise errors.OpPrereqError("Enabled hypervisors list must contain at" |
2058 | 5c983ee5 | Iustin Pop | " least one member",
|
2059 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2060 | b119bccb | Guido Trotter | invalid_hvs = set(self.hv_list) - constants.HYPER_TYPES |
2061 | b119bccb | Guido Trotter | if invalid_hvs:
|
2062 | b119bccb | Guido Trotter | raise errors.OpPrereqError("Enabled hypervisors contains invalid" |
2063 | ab3e6da8 | Iustin Pop | " entries: %s" %
|
2064 | ab3e6da8 | Iustin Pop | utils.CommaJoin(invalid_hvs), |
2065 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2066 | 779c15bb | Iustin Pop | else:
|
2067 | 779c15bb | Iustin Pop | self.hv_list = cluster.enabled_hypervisors
|
2068 | 779c15bb | Iustin Pop | |
2069 | 779c15bb | Iustin Pop | if self.op.hvparams or self.op.enabled_hypervisors is not None: |
2070 | 779c15bb | Iustin Pop | # either the enabled list has changed, or the parameters have, validate
|
2071 | 779c15bb | Iustin Pop | for hv_name, hv_params in self.new_hvparams.items(): |
2072 | 779c15bb | Iustin Pop | if ((self.op.hvparams and hv_name in self.op.hvparams) or |
2073 | 779c15bb | Iustin Pop | (self.op.enabled_hypervisors and |
2074 | 779c15bb | Iustin Pop | hv_name in self.op.enabled_hypervisors)): |
2075 | 779c15bb | Iustin Pop | # either this is a new hypervisor, or its parameters have changed
|
2076 | 779c15bb | Iustin Pop | hv_class = hypervisor.GetHypervisor(hv_name) |
2077 | a5728081 | Guido Trotter | utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES) |
2078 | 779c15bb | Iustin Pop | hv_class.CheckParameterSyntax(hv_params) |
2079 | 779c15bb | Iustin Pop | _CheckHVParams(self, node_list, hv_name, hv_params)
|
2080 | 779c15bb | Iustin Pop | |
2081 | 8084f9f6 | Manuel Franceschini | def Exec(self, feedback_fn): |
2082 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
2083 | 8084f9f6 | Manuel Franceschini |
|
2084 | 8084f9f6 | Manuel Franceschini | """
|
2085 | 779c15bb | Iustin Pop | if self.op.vg_name is not None: |
2086 | b2482333 | Guido Trotter | new_volume = self.op.vg_name
|
2087 | b2482333 | Guido Trotter | if not new_volume: |
2088 | b2482333 | Guido Trotter | new_volume = None
|
2089 | b2482333 | Guido Trotter | if new_volume != self.cfg.GetVGName(): |
2090 | b2482333 | Guido Trotter | self.cfg.SetVGName(new_volume)
|
2091 | 779c15bb | Iustin Pop | else:
|
2092 | 779c15bb | Iustin Pop | feedback_fn("Cluster LVM configuration already in desired"
|
2093 | 779c15bb | Iustin Pop | " state, not changing")
|
2094 | 779c15bb | Iustin Pop | if self.op.hvparams: |
2095 | 779c15bb | Iustin Pop | self.cluster.hvparams = self.new_hvparams |
2096 | 779c15bb | Iustin Pop | if self.op.enabled_hypervisors is not None: |
2097 | 779c15bb | Iustin Pop | self.cluster.enabled_hypervisors = self.op.enabled_hypervisors |
2098 | 779c15bb | Iustin Pop | if self.op.beparams: |
2099 | 4ef7f423 | Guido Trotter | self.cluster.beparams[constants.PP_DEFAULT] = self.new_beparams |
2100 | 5af3da74 | Guido Trotter | if self.op.nicparams: |
2101 | 5af3da74 | Guido Trotter | self.cluster.nicparams[constants.PP_DEFAULT] = self.new_nicparams |
2102 | 5af3da74 | Guido Trotter | |
2103 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size is not None: |
2104 | 4b7735f9 | Iustin Pop | self.cluster.candidate_pool_size = self.op.candidate_pool_size |
2105 | 75e914fb | Iustin Pop | # we need to update the pool size here, otherwise the save will fail
|
2106 | 44485f49 | Guido Trotter | _AdjustCandidatePool(self, [])
|
2107 | 4b7735f9 | Iustin Pop | |
2108 | a4eae71f | Michael Hanselmann | self.cfg.Update(self.cluster, feedback_fn) |
2109 | 8084f9f6 | Manuel Franceschini | |
2110 | 8084f9f6 | Manuel Franceschini | |
2111 | 28eddce5 | Guido Trotter | def _RedistributeAncillaryFiles(lu, additional_nodes=None): |
2112 | 28eddce5 | Guido Trotter | """Distribute additional files which are part of the cluster configuration.
|
2113 | 28eddce5 | Guido Trotter |
|
2114 | 28eddce5 | Guido Trotter | ConfigWriter takes care of distributing the config and ssconf files, but
|
2115 | 28eddce5 | Guido Trotter | there are more files which should be distributed to all nodes. This function
|
2116 | 28eddce5 | Guido Trotter | makes sure those are copied.
|
2117 | 28eddce5 | Guido Trotter |
|
2118 | 28eddce5 | Guido Trotter | @param lu: calling logical unit
|
2119 | 28eddce5 | Guido Trotter | @param additional_nodes: list of nodes not in the config to distribute to
|
2120 | 28eddce5 | Guido Trotter |
|
2121 | 28eddce5 | Guido Trotter | """
|
2122 | 28eddce5 | Guido Trotter | # 1. Gather target nodes
|
2123 | 28eddce5 | Guido Trotter | myself = lu.cfg.GetNodeInfo(lu.cfg.GetMasterNode()) |
2124 | 28eddce5 | Guido Trotter | dist_nodes = lu.cfg.GetNodeList() |
2125 | 28eddce5 | Guido Trotter | if additional_nodes is not None: |
2126 | 28eddce5 | Guido Trotter | dist_nodes.extend(additional_nodes) |
2127 | 28eddce5 | Guido Trotter | if myself.name in dist_nodes: |
2128 | 28eddce5 | Guido Trotter | dist_nodes.remove(myself.name) |
2129 | a4eae71f | Michael Hanselmann | |
2130 | 28eddce5 | Guido Trotter | # 2. Gather files to distribute
|
2131 | 28eddce5 | Guido Trotter | dist_files = set([constants.ETC_HOSTS,
|
2132 | 28eddce5 | Guido Trotter | constants.SSH_KNOWN_HOSTS_FILE, |
2133 | 28eddce5 | Guido Trotter | constants.RAPI_CERT_FILE, |
2134 | 28eddce5 | Guido Trotter | constants.RAPI_USERS_FILE, |
2135 | 4a34c5cf | Guido Trotter | constants.HMAC_CLUSTER_KEY, |
2136 | 28eddce5 | Guido Trotter | ]) |
2137 | e1b8653f | Guido Trotter | |
2138 | e1b8653f | Guido Trotter | enabled_hypervisors = lu.cfg.GetClusterInfo().enabled_hypervisors |
2139 | e1b8653f | Guido Trotter | for hv_name in enabled_hypervisors: |
2140 | e1b8653f | Guido Trotter | hv_class = hypervisor.GetHypervisor(hv_name) |
2141 | e1b8653f | Guido Trotter | dist_files.update(hv_class.GetAncillaryFiles()) |
2142 | e1b8653f | Guido Trotter | |
2143 | 28eddce5 | Guido Trotter | # 3. Perform the files upload
|
2144 | 28eddce5 | Guido Trotter | for fname in dist_files: |
2145 | 28eddce5 | Guido Trotter | if os.path.exists(fname):
|
2146 | 28eddce5 | Guido Trotter | result = lu.rpc.call_upload_file(dist_nodes, fname) |
2147 | 28eddce5 | Guido Trotter | for to_node, to_result in result.items(): |
2148 | 6f7d4e75 | Iustin Pop | msg = to_result.fail_msg |
2149 | 6f7d4e75 | Iustin Pop | if msg:
|
2150 | 6f7d4e75 | Iustin Pop | msg = ("Copy of file %s to node %s failed: %s" %
|
2151 | 6f7d4e75 | Iustin Pop | (fname, to_node, msg)) |
2152 | 6f7d4e75 | Iustin Pop | lu.proc.LogWarning(msg) |
2153 | 28eddce5 | Guido Trotter | |
2154 | 28eddce5 | Guido Trotter | |
2155 | afee0879 | Iustin Pop | class LURedistributeConfig(NoHooksLU): |
2156 | afee0879 | Iustin Pop | """Force the redistribution of cluster configuration.
|
2157 | afee0879 | Iustin Pop |
|
2158 | afee0879 | Iustin Pop | This is a very simple LU.
|
2159 | afee0879 | Iustin Pop |
|
2160 | afee0879 | Iustin Pop | """
|
2161 | afee0879 | Iustin Pop | _OP_REQP = [] |
2162 | afee0879 | Iustin Pop | REQ_BGL = False
|
2163 | afee0879 | Iustin Pop | |
2164 | afee0879 | Iustin Pop | def ExpandNames(self): |
2165 | afee0879 | Iustin Pop | self.needed_locks = {
|
2166 | afee0879 | Iustin Pop | locking.LEVEL_NODE: locking.ALL_SET, |
2167 | afee0879 | Iustin Pop | } |
2168 | afee0879 | Iustin Pop | self.share_locks[locking.LEVEL_NODE] = 1 |
2169 | afee0879 | Iustin Pop | |
2170 | afee0879 | Iustin Pop | def CheckPrereq(self): |
2171 | afee0879 | Iustin Pop | """Check prerequisites.
|
2172 | afee0879 | Iustin Pop |
|
2173 | afee0879 | Iustin Pop | """
|
2174 | afee0879 | Iustin Pop | |
2175 | afee0879 | Iustin Pop | def Exec(self, feedback_fn): |
2176 | afee0879 | Iustin Pop | """Redistribute the configuration.
|
2177 | afee0879 | Iustin Pop |
|
2178 | afee0879 | Iustin Pop | """
|
2179 | a4eae71f | Michael Hanselmann | self.cfg.Update(self.cfg.GetClusterInfo(), feedback_fn) |
2180 | 28eddce5 | Guido Trotter | _RedistributeAncillaryFiles(self)
|
2181 | afee0879 | Iustin Pop | |
2182 | afee0879 | Iustin Pop | |
2183 | b6c07b79 | Michael Hanselmann | def _WaitForSync(lu, instance, oneshot=False): |
2184 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
2185 | a8083063 | Iustin Pop |
|
2186 | a8083063 | Iustin Pop | """
|
2187 | a8083063 | Iustin Pop | if not instance.disks: |
2188 | a8083063 | Iustin Pop | return True |
2189 | a8083063 | Iustin Pop | |
2190 | a8083063 | Iustin Pop | if not oneshot: |
2191 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
2192 | a8083063 | Iustin Pop | |
2193 | a8083063 | Iustin Pop | node = instance.primary_node |
2194 | a8083063 | Iustin Pop | |
2195 | a8083063 | Iustin Pop | for dev in instance.disks: |
2196 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
2197 | a8083063 | Iustin Pop | |
2198 | 6bcb1446 | Michael Hanselmann | # TODO: Convert to utils.Retry
|
2199 | 6bcb1446 | Michael Hanselmann | |
2200 | a8083063 | Iustin Pop | retries = 0
|
2201 | fbafd7a8 | Iustin Pop | degr_retries = 10 # in seconds, as we sleep 1 second each time |
2202 | a8083063 | Iustin Pop | while True: |
2203 | a8083063 | Iustin Pop | max_time = 0
|
2204 | a8083063 | Iustin Pop | done = True
|
2205 | a8083063 | Iustin Pop | cumul_degraded = False
|
2206 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
2207 | 4c4e4e1e | Iustin Pop | msg = rstats.fail_msg |
2208 | 3efa9051 | Iustin Pop | if msg:
|
2209 | 3efa9051 | Iustin Pop | lu.LogWarning("Can't get any data from node %s: %s", node, msg)
|
2210 | a8083063 | Iustin Pop | retries += 1
|
2211 | a8083063 | Iustin Pop | if retries >= 10: |
2212 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
2213 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
2214 | a8083063 | Iustin Pop | time.sleep(6)
|
2215 | a8083063 | Iustin Pop | continue
|
2216 | 3efa9051 | Iustin Pop | rstats = rstats.payload |
2217 | a8083063 | Iustin Pop | retries = 0
|
2218 | 1492cca7 | Iustin Pop | for i, mstat in enumerate(rstats): |
2219 | a8083063 | Iustin Pop | if mstat is None: |
2220 | 86d9d3bb | Iustin Pop | lu.LogWarning("Can't compute data for node %s/%s",
|
2221 | 86d9d3bb | Iustin Pop | node, instance.disks[i].iv_name) |
2222 | a8083063 | Iustin Pop | continue
|
2223 | 36145b12 | Michael Hanselmann | |
2224 | 36145b12 | Michael Hanselmann | cumul_degraded = (cumul_degraded or
|
2225 | 36145b12 | Michael Hanselmann | (mstat.is_degraded and mstat.sync_percent is None)) |
2226 | 36145b12 | Michael Hanselmann | if mstat.sync_percent is not None: |
2227 | a8083063 | Iustin Pop | done = False
|
2228 | 36145b12 | Michael Hanselmann | if mstat.estimated_time is not None: |
2229 | 36145b12 | Michael Hanselmann | rem_time = "%d estimated seconds remaining" % mstat.estimated_time
|
2230 | 36145b12 | Michael Hanselmann | max_time = mstat.estimated_time |
2231 | a8083063 | Iustin Pop | else:
|
2232 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
2233 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
2234 | 4d4a651d | Michael Hanselmann | (instance.disks[i].iv_name, mstat.sync_percent, |
2235 | 4d4a651d | Michael Hanselmann | rem_time)) |
2236 | fbafd7a8 | Iustin Pop | |
2237 | fbafd7a8 | Iustin Pop | # if we're done but degraded, let's do a few small retries, to
|
2238 | fbafd7a8 | Iustin Pop | # make sure we see a stable and not transient situation; therefore
|
2239 | fbafd7a8 | Iustin Pop | # we force restart of the loop
|
2240 | fbafd7a8 | Iustin Pop | if (done or oneshot) and cumul_degraded and degr_retries > 0: |
2241 | fbafd7a8 | Iustin Pop | logging.info("Degraded disks found, %d retries left", degr_retries)
|
2242 | fbafd7a8 | Iustin Pop | degr_retries -= 1
|
2243 | fbafd7a8 | Iustin Pop | time.sleep(1)
|
2244 | fbafd7a8 | Iustin Pop | continue
|
2245 | fbafd7a8 | Iustin Pop | |
2246 | a8083063 | Iustin Pop | if done or oneshot: |
2247 | a8083063 | Iustin Pop | break
|
2248 | a8083063 | Iustin Pop | |
2249 | d4fa5c23 | Iustin Pop | time.sleep(min(60, max_time)) |
2250 | a8083063 | Iustin Pop | |
2251 | a8083063 | Iustin Pop | if done:
|
2252 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
2253 | a8083063 | Iustin Pop | return not cumul_degraded |
2254 | a8083063 | Iustin Pop | |
2255 | a8083063 | Iustin Pop | |
2256 | b9bddb6b | Iustin Pop | def _CheckDiskConsistency(lu, dev, node, on_primary, ldisk=False): |
2257 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
2258 | a8083063 | Iustin Pop |
|
2259 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
2260 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
2261 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
2262 | 0834c866 | Iustin Pop |
|
2263 | a8083063 | Iustin Pop | """
|
2264 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
2265 | a8083063 | Iustin Pop | |
2266 | a8083063 | Iustin Pop | result = True
|
2267 | 96acbc09 | Michael Hanselmann | |
2268 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
2269 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_find(node, dev) |
2270 | 4c4e4e1e | Iustin Pop | msg = rstats.fail_msg |
2271 | 23829f6f | Iustin Pop | if msg:
|
2272 | 23829f6f | Iustin Pop | lu.LogWarning("Can't find disk on node %s: %s", node, msg)
|
2273 | 23829f6f | Iustin Pop | result = False
|
2274 | 23829f6f | Iustin Pop | elif not rstats.payload: |
2275 | 23829f6f | Iustin Pop | lu.LogWarning("Can't find disk on node %s", node)
|
2276 | a8083063 | Iustin Pop | result = False
|
2277 | a8083063 | Iustin Pop | else:
|
2278 | 96acbc09 | Michael Hanselmann | if ldisk:
|
2279 | f208978a | Michael Hanselmann | result = result and rstats.payload.ldisk_status == constants.LDS_OKAY
|
2280 | 96acbc09 | Michael Hanselmann | else:
|
2281 | 96acbc09 | Michael Hanselmann | result = result and not rstats.payload.is_degraded |
2282 | 96acbc09 | Michael Hanselmann | |
2283 | a8083063 | Iustin Pop | if dev.children:
|
2284 | a8083063 | Iustin Pop | for child in dev.children: |
2285 | b9bddb6b | Iustin Pop | result = result and _CheckDiskConsistency(lu, child, node, on_primary)
|
2286 | a8083063 | Iustin Pop | |
2287 | a8083063 | Iustin Pop | return result
|
2288 | a8083063 | Iustin Pop | |
2289 | a8083063 | Iustin Pop | |
2290 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
2291 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
2292 | a8083063 | Iustin Pop |
|
2293 | a8083063 | Iustin Pop | """
|
2294 | 1f9430d6 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
2295 | 6bf01bbb | Guido Trotter | REQ_BGL = False
|
2296 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet() |
2297 | 1e288a26 | Guido Trotter | _FIELDS_DYNAMIC = utils.FieldSet("name", "valid", "node_status", "variants") |
2298 | 1e288a26 | Guido Trotter | # Fields that need calculation of global os validity
|
2299 | 1e288a26 | Guido Trotter | _FIELDS_NEEDVALID = frozenset(["valid", "variants"]) |
2300 | a8083063 | Iustin Pop | |
2301 | 6bf01bbb | Guido Trotter | def ExpandNames(self): |
2302 | 1f9430d6 | Iustin Pop | if self.op.names: |
2303 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Selective OS query not supported", |
2304 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2305 | 1f9430d6 | Iustin Pop | |
2306 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2307 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2308 | 1f9430d6 | Iustin Pop | selected=self.op.output_fields)
|
2309 | 1f9430d6 | Iustin Pop | |
2310 | 6bf01bbb | Guido Trotter | # Lock all nodes, in shared mode
|
2311 | a6ab004b | Iustin Pop | # Temporary removal of locks, should be reverted later
|
2312 | a6ab004b | Iustin Pop | # TODO: reintroduce locks when they are lighter-weight
|
2313 | 6bf01bbb | Guido Trotter | self.needed_locks = {}
|
2314 | a6ab004b | Iustin Pop | #self.share_locks[locking.LEVEL_NODE] = 1
|
2315 | a6ab004b | Iustin Pop | #self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
2316 | 6bf01bbb | Guido Trotter | |
2317 | 6bf01bbb | Guido Trotter | def CheckPrereq(self): |
2318 | 6bf01bbb | Guido Trotter | """Check prerequisites.
|
2319 | 6bf01bbb | Guido Trotter |
|
2320 | 6bf01bbb | Guido Trotter | """
|
2321 | 6bf01bbb | Guido Trotter | |
2322 | 1f9430d6 | Iustin Pop | @staticmethod
|
2323 | 857121ad | Iustin Pop | def _DiagnoseByOS(rlist): |
2324 | 1f9430d6 | Iustin Pop | """Remaps a per-node return list into an a per-os per-node dictionary
|
2325 | 1f9430d6 | Iustin Pop |
|
2326 | e4376078 | Iustin Pop | @param rlist: a map with node names as keys and OS objects as values
|
2327 | 1f9430d6 | Iustin Pop |
|
2328 | e4376078 | Iustin Pop | @rtype: dict
|
2329 | 5fcc718f | Iustin Pop | @return: a dictionary with osnames as keys and as value another map, with
|
2330 | 255dcebd | Iustin Pop | nodes as keys and tuples of (path, status, diagnose) as values, eg::
|
2331 | e4376078 | Iustin Pop |
|
2332 | 255dcebd | Iustin Pop | {"debian-etch": {"node1": [(/usr/lib/..., True, ""),
|
2333 | 255dcebd | Iustin Pop | (/srv/..., False, "invalid api")],
|
2334 | 255dcebd | Iustin Pop | "node2": [(/srv/..., True, "")]}
|
2335 | e4376078 | Iustin Pop | }
|
2336 | 1f9430d6 | Iustin Pop |
|
2337 | 1f9430d6 | Iustin Pop | """
|
2338 | 1f9430d6 | Iustin Pop | all_os = {} |
2339 | a6ab004b | Iustin Pop | # we build here the list of nodes that didn't fail the RPC (at RPC
|
2340 | a6ab004b | Iustin Pop | # level), so that nodes with a non-responding node daemon don't
|
2341 | a6ab004b | Iustin Pop | # make all OSes invalid
|
2342 | a6ab004b | Iustin Pop | good_nodes = [node_name for node_name in rlist |
2343 | 4c4e4e1e | Iustin Pop | if not rlist[node_name].fail_msg] |
2344 | 83d92ad8 | Iustin Pop | for node_name, nr in rlist.items(): |
2345 | 4c4e4e1e | Iustin Pop | if nr.fail_msg or not nr.payload: |
2346 | 1f9430d6 | Iustin Pop | continue
|
2347 | ba00557a | Guido Trotter | for name, path, status, diagnose, variants in nr.payload: |
2348 | 255dcebd | Iustin Pop | if name not in all_os: |
2349 | 1f9430d6 | Iustin Pop | # build a list of nodes for this os containing empty lists
|
2350 | 1f9430d6 | Iustin Pop | # for each node in node_list
|
2351 | 255dcebd | Iustin Pop | all_os[name] = {} |
2352 | a6ab004b | Iustin Pop | for nname in good_nodes: |
2353 | 255dcebd | Iustin Pop | all_os[name][nname] = [] |
2354 | ba00557a | Guido Trotter | all_os[name][node_name].append((path, status, diagnose, variants)) |
2355 | 1f9430d6 | Iustin Pop | return all_os
|
2356 | a8083063 | Iustin Pop | |
2357 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2358 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
2359 | a8083063 | Iustin Pop |
|
2360 | a8083063 | Iustin Pop | """
|
2361 | a6ab004b | Iustin Pop | valid_nodes = [node for node in self.cfg.GetOnlineNodeList()] |
2362 | 94a02bb5 | Iustin Pop | node_data = self.rpc.call_os_diagnose(valid_nodes)
|
2363 | 857121ad | Iustin Pop | pol = self._DiagnoseByOS(node_data)
|
2364 | 1f9430d6 | Iustin Pop | output = [] |
2365 | 1e288a26 | Guido Trotter | calc_valid = self._FIELDS_NEEDVALID.intersection(self.op.output_fields) |
2366 | 1e288a26 | Guido Trotter | calc_variants = "variants" in self.op.output_fields |
2367 | 1e288a26 | Guido Trotter | |
2368 | 83d92ad8 | Iustin Pop | for os_name, os_data in pol.items(): |
2369 | 1f9430d6 | Iustin Pop | row = [] |
2370 | 1e288a26 | Guido Trotter | if calc_valid:
|
2371 | 1e288a26 | Guido Trotter | valid = True
|
2372 | 1e288a26 | Guido Trotter | variants = None
|
2373 | 1e288a26 | Guido Trotter | for osl in os_data.values(): |
2374 | 1e288a26 | Guido Trotter | valid = valid and osl and osl[0][1] |
2375 | 1e288a26 | Guido Trotter | if not valid: |
2376 | 1e288a26 | Guido Trotter | variants = None
|
2377 | 1e288a26 | Guido Trotter | break
|
2378 | 1e288a26 | Guido Trotter | if calc_variants:
|
2379 | 1e288a26 | Guido Trotter | node_variants = osl[0][3] |
2380 | 1e288a26 | Guido Trotter | if variants is None: |
2381 | 1e288a26 | Guido Trotter | variants = node_variants |
2382 | 1e288a26 | Guido Trotter | else:
|
2383 | 1e288a26 | Guido Trotter | variants = [v for v in variants if v in node_variants] |
2384 | 1e288a26 | Guido Trotter | |
2385 | 1f9430d6 | Iustin Pop | for field in self.op.output_fields: |
2386 | 1f9430d6 | Iustin Pop | if field == "name": |
2387 | 1f9430d6 | Iustin Pop | val = os_name |
2388 | 1f9430d6 | Iustin Pop | elif field == "valid": |
2389 | 1e288a26 | Guido Trotter | val = valid |
2390 | 1f9430d6 | Iustin Pop | elif field == "node_status": |
2391 | 255dcebd | Iustin Pop | # this is just a copy of the dict
|
2392 | 1f9430d6 | Iustin Pop | val = {} |
2393 | 255dcebd | Iustin Pop | for node_name, nos_list in os_data.items(): |
2394 | 255dcebd | Iustin Pop | val[node_name] = nos_list |
2395 | 1e288a26 | Guido Trotter | elif field == "variants": |
2396 | 1e288a26 | Guido Trotter | val = variants |
2397 | 1f9430d6 | Iustin Pop | else:
|
2398 | 1f9430d6 | Iustin Pop | raise errors.ParameterError(field)
|
2399 | 1f9430d6 | Iustin Pop | row.append(val) |
2400 | 1f9430d6 | Iustin Pop | output.append(row) |
2401 | 1f9430d6 | Iustin Pop | |
2402 | 1f9430d6 | Iustin Pop | return output
|
2403 | a8083063 | Iustin Pop | |
2404 | a8083063 | Iustin Pop | |
2405 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
2406 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
2407 | a8083063 | Iustin Pop |
|
2408 | a8083063 | Iustin Pop | """
|
2409 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
2410 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
2411 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
2412 | a8083063 | Iustin Pop | |
2413 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2414 | a8083063 | Iustin Pop | """Build hooks env.
|
2415 | a8083063 | Iustin Pop |
|
2416 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
2417 | d08869ee | Guido Trotter | node would then be impossible to remove.
|
2418 | a8083063 | Iustin Pop |
|
2419 | a8083063 | Iustin Pop | """
|
2420 | 396e1b78 | Michael Hanselmann | env = { |
2421 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
2422 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
2423 | 396e1b78 | Michael Hanselmann | } |
2424 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
2425 | cd46f3b4 | Luca Bigliardi | if self.op.node_name in all_nodes: |
2426 | cd46f3b4 | Luca Bigliardi | all_nodes.remove(self.op.node_name)
|
2427 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
2428 | a8083063 | Iustin Pop | |
2429 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2430 | a8083063 | Iustin Pop | """Check prerequisites.
|
2431 | a8083063 | Iustin Pop |
|
2432 | a8083063 | Iustin Pop | This checks:
|
2433 | a8083063 | Iustin Pop | - the node exists in the configuration
|
2434 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
2435 | a8083063 | Iustin Pop | - it's not the master
|
2436 | a8083063 | Iustin Pop |
|
2437 | 5bbd3f7f | Michael Hanselmann | Any errors are signaled by raising errors.OpPrereqError.
|
2438 | a8083063 | Iustin Pop |
|
2439 | a8083063 | Iustin Pop | """
|
2440 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
2441 | a8083063 | Iustin Pop | if node is None: |
2442 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Node '%s' is unknown." % self.op.node_name, |
2443 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
2444 | a8083063 | Iustin Pop | |
2445 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
2446 | a8083063 | Iustin Pop | |
2447 | d6a02168 | Michael Hanselmann | masternode = self.cfg.GetMasterNode()
|
2448 | a8083063 | Iustin Pop | if node.name == masternode:
|
2449 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
2450 | 5c983ee5 | Iustin Pop | " you need to failover first.",
|
2451 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2452 | a8083063 | Iustin Pop | |
2453 | a8083063 | Iustin Pop | for instance_name in instance_list: |
2454 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
2455 | 6b12959c | Iustin Pop | if node.name in instance.all_nodes: |
2456 | 6b12959c | Iustin Pop | raise errors.OpPrereqError("Instance %s is still running on the node," |
2457 | 5c983ee5 | Iustin Pop | " please remove first." % instance_name,
|
2458 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2459 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
2460 | a8083063 | Iustin Pop | self.node = node
|
2461 | a8083063 | Iustin Pop | |
2462 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2463 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
2464 | a8083063 | Iustin Pop |
|
2465 | a8083063 | Iustin Pop | """
|
2466 | a8083063 | Iustin Pop | node = self.node
|
2467 | 9a4f63d1 | Iustin Pop | logging.info("Stopping the node daemon and removing configs from node %s",
|
2468 | 9a4f63d1 | Iustin Pop | node.name) |
2469 | a8083063 | Iustin Pop | |
2470 | b989b9d9 | Ken Wehr | modify_ssh_setup = self.cfg.GetClusterInfo().modify_ssh_setup
|
2471 | b989b9d9 | Ken Wehr | |
2472 | 44485f49 | Guido Trotter | # Promote nodes to master candidate as needed
|
2473 | 44485f49 | Guido Trotter | _AdjustCandidatePool(self, exceptions=[node.name])
|
2474 | d8470559 | Michael Hanselmann | self.context.RemoveNode(node.name)
|
2475 | a8083063 | Iustin Pop | |
2476 | cd46f3b4 | Luca Bigliardi | # Run post hooks on the node before it's removed
|
2477 | cd46f3b4 | Luca Bigliardi | hm = self.proc.hmclass(self.rpc.call_hooks_runner, self) |
2478 | cd46f3b4 | Luca Bigliardi | try:
|
2479 | 1122eb25 | Iustin Pop | hm.RunPhase(constants.HOOKS_PHASE_POST, [node.name]) |
2480 | 3cb5c1e3 | Luca Bigliardi | except:
|
2481 | 7260cfbe | Iustin Pop | # pylint: disable-msg=W0702
|
2482 | 3cb5c1e3 | Luca Bigliardi | self.LogWarning("Errors occurred running hooks on %s" % node.name) |
2483 | cd46f3b4 | Luca Bigliardi | |
2484 | b989b9d9 | Ken Wehr | result = self.rpc.call_node_leave_cluster(node.name, modify_ssh_setup)
|
2485 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
2486 | 0623d351 | Iustin Pop | if msg:
|
2487 | 0623d351 | Iustin Pop | self.LogWarning("Errors encountered on the remote node while leaving" |
2488 | 0623d351 | Iustin Pop | " the cluster: %s", msg)
|
2489 | c8a0948f | Michael Hanselmann | |
2490 | a8083063 | Iustin Pop | |
2491 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
2492 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
2493 | a8083063 | Iustin Pop |
|
2494 | a8083063 | Iustin Pop | """
|
2495 | 7260cfbe | Iustin Pop | # pylint: disable-msg=W0142
|
2496 | bc8e4a1a | Iustin Pop | _OP_REQP = ["output_fields", "names", "use_locking"] |
2497 | 35705d8f | Guido Trotter | REQ_BGL = False
|
2498 | 19bed813 | Iustin Pop | |
2499 | 19bed813 | Iustin Pop | _SIMPLE_FIELDS = ["name", "serial_no", "ctime", "mtime", "uuid", |
2500 | 19bed813 | Iustin Pop | "master_candidate", "offline", "drained"] |
2501 | 19bed813 | Iustin Pop | |
2502 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet( |
2503 | 31bf511f | Iustin Pop | "dtotal", "dfree", |
2504 | 31bf511f | Iustin Pop | "mtotal", "mnode", "mfree", |
2505 | 31bf511f | Iustin Pop | "bootid",
|
2506 | 0105bad3 | Iustin Pop | "ctotal", "cnodes", "csockets", |
2507 | 31bf511f | Iustin Pop | ) |
2508 | 31bf511f | Iustin Pop | |
2509 | 19bed813 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet(*[ |
2510 | 19bed813 | Iustin Pop | "pinst_cnt", "sinst_cnt", |
2511 | 31bf511f | Iustin Pop | "pinst_list", "sinst_list", |
2512 | 31bf511f | Iustin Pop | "pip", "sip", "tags", |
2513 | 0e67cdbe | Iustin Pop | "master",
|
2514 | 19bed813 | Iustin Pop | "role"] + _SIMPLE_FIELDS
|
2515 | 31bf511f | Iustin Pop | ) |
2516 | a8083063 | Iustin Pop | |
2517 | 35705d8f | Guido Trotter | def ExpandNames(self): |
2518 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2519 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2520 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2521 | a8083063 | Iustin Pop | |
2522 | 35705d8f | Guido Trotter | self.needed_locks = {}
|
2523 | 35705d8f | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
2524 | c8d8b4c8 | Iustin Pop | |
2525 | c8d8b4c8 | Iustin Pop | if self.op.names: |
2526 | c8d8b4c8 | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
2527 | 35705d8f | Guido Trotter | else:
|
2528 | c8d8b4c8 | Iustin Pop | self.wanted = locking.ALL_SET
|
2529 | c8d8b4c8 | Iustin Pop | |
2530 | bc8e4a1a | Iustin Pop | self.do_node_query = self._FIELDS_STATIC.NonMatching(self.op.output_fields) |
2531 | bc8e4a1a | Iustin Pop | self.do_locking = self.do_node_query and self.op.use_locking |
2532 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
2533 | c8d8b4c8 | Iustin Pop | # if we don't request only static fields, we need to lock the nodes
|
2534 | c8d8b4c8 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = self.wanted |
2535 | c8d8b4c8 | Iustin Pop | |
2536 | 35705d8f | Guido Trotter | def CheckPrereq(self): |
2537 | 35705d8f | Guido Trotter | """Check prerequisites.
|
2538 | 35705d8f | Guido Trotter |
|
2539 | 35705d8f | Guido Trotter | """
|
2540 | c8d8b4c8 | Iustin Pop | # The validation of the node list is done in the _GetWantedNodes,
|
2541 | c8d8b4c8 | Iustin Pop | # if non empty, and if empty, there's no validation to do
|
2542 | c8d8b4c8 | Iustin Pop | pass
|
2543 | a8083063 | Iustin Pop | |
2544 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2545 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2546 | a8083063 | Iustin Pop |
|
2547 | a8083063 | Iustin Pop | """
|
2548 | c8d8b4c8 | Iustin Pop | all_info = self.cfg.GetAllNodesInfo()
|
2549 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
2550 | c8d8b4c8 | Iustin Pop | nodenames = self.acquired_locks[locking.LEVEL_NODE]
|
2551 | 3fa93523 | Guido Trotter | elif self.wanted != locking.ALL_SET: |
2552 | 3fa93523 | Guido Trotter | nodenames = self.wanted
|
2553 | 3fa93523 | Guido Trotter | missing = set(nodenames).difference(all_info.keys())
|
2554 | 3fa93523 | Guido Trotter | if missing:
|
2555 | 7b3a8fb5 | Iustin Pop | raise errors.OpExecError(
|
2556 | 3fa93523 | Guido Trotter | "Some nodes were removed before retrieving their data: %s" % missing)
|
2557 | c8d8b4c8 | Iustin Pop | else:
|
2558 | c8d8b4c8 | Iustin Pop | nodenames = all_info.keys() |
2559 | c1f1cbb2 | Iustin Pop | |
2560 | c1f1cbb2 | Iustin Pop | nodenames = utils.NiceSort(nodenames) |
2561 | c8d8b4c8 | Iustin Pop | nodelist = [all_info[name] for name in nodenames] |
2562 | a8083063 | Iustin Pop | |
2563 | a8083063 | Iustin Pop | # begin data gathering
|
2564 | a8083063 | Iustin Pop | |
2565 | bc8e4a1a | Iustin Pop | if self.do_node_query: |
2566 | a8083063 | Iustin Pop | live_data = {} |
2567 | 72737a7f | Iustin Pop | node_data = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
2568 | 72737a7f | Iustin Pop | self.cfg.GetHypervisorType())
|
2569 | a8083063 | Iustin Pop | for name in nodenames: |
2570 | 781de953 | Iustin Pop | nodeinfo = node_data[name] |
2571 | 4c4e4e1e | Iustin Pop | if not nodeinfo.fail_msg and nodeinfo.payload: |
2572 | 070e998b | Iustin Pop | nodeinfo = nodeinfo.payload |
2573 | d599d686 | Iustin Pop | fn = utils.TryConvert |
2574 | a8083063 | Iustin Pop | live_data[name] = { |
2575 | d599d686 | Iustin Pop | "mtotal": fn(int, nodeinfo.get('memory_total', None)), |
2576 | d599d686 | Iustin Pop | "mnode": fn(int, nodeinfo.get('memory_dom0', None)), |
2577 | d599d686 | Iustin Pop | "mfree": fn(int, nodeinfo.get('memory_free', None)), |
2578 | d599d686 | Iustin Pop | "dtotal": fn(int, nodeinfo.get('vg_size', None)), |
2579 | d599d686 | Iustin Pop | "dfree": fn(int, nodeinfo.get('vg_free', None)), |
2580 | d599d686 | Iustin Pop | "ctotal": fn(int, nodeinfo.get('cpu_total', None)), |
2581 | d599d686 | Iustin Pop | "bootid": nodeinfo.get('bootid', None), |
2582 | 0105bad3 | Iustin Pop | "cnodes": fn(int, nodeinfo.get('cpu_nodes', None)), |
2583 | 0105bad3 | Iustin Pop | "csockets": fn(int, nodeinfo.get('cpu_sockets', None)), |
2584 | a8083063 | Iustin Pop | } |
2585 | a8083063 | Iustin Pop | else:
|
2586 | a8083063 | Iustin Pop | live_data[name] = {} |
2587 | a8083063 | Iustin Pop | else:
|
2588 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
2589 | a8083063 | Iustin Pop | |
2590 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
2591 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
2592 | a8083063 | Iustin Pop | |
2593 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
2594 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
2595 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
2596 | 4dfd6266 | Iustin Pop | inst_data = self.cfg.GetAllInstancesInfo()
|
2597 | a8083063 | Iustin Pop | |
2598 | 1122eb25 | Iustin Pop | for inst in inst_data.values(): |
2599 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
2600 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
2601 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
2602 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
2603 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
2604 | a8083063 | Iustin Pop | |
2605 | 0e67cdbe | Iustin Pop | master_node = self.cfg.GetMasterNode()
|
2606 | 0e67cdbe | Iustin Pop | |
2607 | a8083063 | Iustin Pop | # end data gathering
|
2608 | a8083063 | Iustin Pop | |
2609 | a8083063 | Iustin Pop | output = [] |
2610 | a8083063 | Iustin Pop | for node in nodelist: |
2611 | a8083063 | Iustin Pop | node_output = [] |
2612 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2613 | 19bed813 | Iustin Pop | if field in self._SIMPLE_FIELDS: |
2614 | 19bed813 | Iustin Pop | val = getattr(node, field)
|
2615 | ec223efb | Iustin Pop | elif field == "pinst_list": |
2616 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
2617 | ec223efb | Iustin Pop | elif field == "sinst_list": |
2618 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
2619 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
2620 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
2621 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
2622 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
2623 | a8083063 | Iustin Pop | elif field == "pip": |
2624 | a8083063 | Iustin Pop | val = node.primary_ip |
2625 | a8083063 | Iustin Pop | elif field == "sip": |
2626 | a8083063 | Iustin Pop | val = node.secondary_ip |
2627 | 130a6a6f | Iustin Pop | elif field == "tags": |
2628 | 130a6a6f | Iustin Pop | val = list(node.GetTags())
|
2629 | 0e67cdbe | Iustin Pop | elif field == "master": |
2630 | 0e67cdbe | Iustin Pop | val = node.name == master_node |
2631 | 31bf511f | Iustin Pop | elif self._FIELDS_DYNAMIC.Matches(field): |
2632 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
2633 | c120ff34 | Iustin Pop | elif field == "role": |
2634 | c120ff34 | Iustin Pop | if node.name == master_node:
|
2635 | c120ff34 | Iustin Pop | val = "M"
|
2636 | c120ff34 | Iustin Pop | elif node.master_candidate:
|
2637 | c120ff34 | Iustin Pop | val = "C"
|
2638 | c120ff34 | Iustin Pop | elif node.drained:
|
2639 | c120ff34 | Iustin Pop | val = "D"
|
2640 | c120ff34 | Iustin Pop | elif node.offline:
|
2641 | c120ff34 | Iustin Pop | val = "O"
|
2642 | c120ff34 | Iustin Pop | else:
|
2643 | c120ff34 | Iustin Pop | val = "R"
|
2644 | a8083063 | Iustin Pop | else:
|
2645 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2646 | a8083063 | Iustin Pop | node_output.append(val) |
2647 | a8083063 | Iustin Pop | output.append(node_output) |
2648 | a8083063 | Iustin Pop | |
2649 | a8083063 | Iustin Pop | return output
|
2650 | a8083063 | Iustin Pop | |
2651 | a8083063 | Iustin Pop | |
2652 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
2653 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
2654 | dcb93971 | Michael Hanselmann |
|
2655 | dcb93971 | Michael Hanselmann | """
|
2656 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
2657 | 21a15682 | Guido Trotter | REQ_BGL = False
|
2658 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("phys", "vg", "name", "size", "instance") |
2659 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet("node")
|
2660 | 21a15682 | Guido Trotter | |
2661 | 21a15682 | Guido Trotter | def ExpandNames(self): |
2662 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2663 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2664 | 21a15682 | Guido Trotter | selected=self.op.output_fields)
|
2665 | 21a15682 | Guido Trotter | |
2666 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
2667 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
2668 | 21a15682 | Guido Trotter | if not self.op.nodes: |
2669 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
2670 | 21a15682 | Guido Trotter | else:
|
2671 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
2672 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
2673 | dcb93971 | Michael Hanselmann | |
2674 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
2675 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
2676 | dcb93971 | Michael Hanselmann |
|
2677 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
2678 | dcb93971 | Michael Hanselmann |
|
2679 | dcb93971 | Michael Hanselmann | """
|
2680 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
2681 | dcb93971 | Michael Hanselmann | |
2682 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
2683 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
2684 | dcb93971 | Michael Hanselmann |
|
2685 | dcb93971 | Michael Hanselmann | """
|
2686 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
2687 | 72737a7f | Iustin Pop | volumes = self.rpc.call_node_volumes(nodenames)
|
2688 | dcb93971 | Michael Hanselmann | |
2689 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
2690 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
2691 | dcb93971 | Michael Hanselmann | |
2692 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
2693 | dcb93971 | Michael Hanselmann | |
2694 | dcb93971 | Michael Hanselmann | output = [] |
2695 | dcb93971 | Michael Hanselmann | for node in nodenames: |
2696 | 10bfe6cb | Iustin Pop | nresult = volumes[node] |
2697 | 10bfe6cb | Iustin Pop | if nresult.offline:
|
2698 | 10bfe6cb | Iustin Pop | continue
|
2699 | 4c4e4e1e | Iustin Pop | msg = nresult.fail_msg |
2700 | 10bfe6cb | Iustin Pop | if msg:
|
2701 | 10bfe6cb | Iustin Pop | self.LogWarning("Can't compute volume data on node %s: %s", node, msg) |
2702 | 37d19eb2 | Michael Hanselmann | continue
|
2703 | 37d19eb2 | Michael Hanselmann | |
2704 | 10bfe6cb | Iustin Pop | node_vols = nresult.payload[:] |
2705 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
2706 | dcb93971 | Michael Hanselmann | |
2707 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
2708 | dcb93971 | Michael Hanselmann | node_output = [] |
2709 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
2710 | dcb93971 | Michael Hanselmann | if field == "node": |
2711 | dcb93971 | Michael Hanselmann | val = node |
2712 | dcb93971 | Michael Hanselmann | elif field == "phys": |
2713 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
2714 | dcb93971 | Michael Hanselmann | elif field == "vg": |
2715 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
2716 | dcb93971 | Michael Hanselmann | elif field == "name": |
2717 | dcb93971 | Michael Hanselmann | val = vol['name']
|
2718 | dcb93971 | Michael Hanselmann | elif field == "size": |
2719 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
2720 | dcb93971 | Michael Hanselmann | elif field == "instance": |
2721 | dcb93971 | Michael Hanselmann | for inst in ilist: |
2722 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
2723 | dcb93971 | Michael Hanselmann | continue
|
2724 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
2725 | dcb93971 | Michael Hanselmann | val = inst.name |
2726 | dcb93971 | Michael Hanselmann | break
|
2727 | dcb93971 | Michael Hanselmann | else:
|
2728 | dcb93971 | Michael Hanselmann | val = '-'
|
2729 | dcb93971 | Michael Hanselmann | else:
|
2730 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2731 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
2732 | dcb93971 | Michael Hanselmann | |
2733 | dcb93971 | Michael Hanselmann | output.append(node_output) |
2734 | dcb93971 | Michael Hanselmann | |
2735 | dcb93971 | Michael Hanselmann | return output
|
2736 | dcb93971 | Michael Hanselmann | |
2737 | dcb93971 | Michael Hanselmann | |
2738 | 9e5442ce | Michael Hanselmann | class LUQueryNodeStorage(NoHooksLU): |
2739 | 9e5442ce | Michael Hanselmann | """Logical unit for getting information on storage units on node(s).
|
2740 | 9e5442ce | Michael Hanselmann |
|
2741 | 9e5442ce | Michael Hanselmann | """
|
2742 | 9e5442ce | Michael Hanselmann | _OP_REQP = ["nodes", "storage_type", "output_fields"] |
2743 | 9e5442ce | Michael Hanselmann | REQ_BGL = False
|
2744 | 620a85fd | Iustin Pop | _FIELDS_STATIC = utils.FieldSet(constants.SF_NODE) |
2745 | 9e5442ce | Michael Hanselmann | |
2746 | 9e5442ce | Michael Hanselmann | def ExpandNames(self): |
2747 | 9e5442ce | Michael Hanselmann | storage_type = self.op.storage_type
|
2748 | 9e5442ce | Michael Hanselmann | |
2749 | 620a85fd | Iustin Pop | if storage_type not in constants.VALID_STORAGE_TYPES: |
2750 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Unknown storage type: %s" % storage_type, |
2751 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2752 | 9e5442ce | Michael Hanselmann | |
2753 | 9e5442ce | Michael Hanselmann | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2754 | 620a85fd | Iustin Pop | dynamic=utils.FieldSet(*constants.VALID_STORAGE_FIELDS), |
2755 | 9e5442ce | Michael Hanselmann | selected=self.op.output_fields)
|
2756 | 9e5442ce | Michael Hanselmann | |
2757 | 9e5442ce | Michael Hanselmann | self.needed_locks = {}
|
2758 | 9e5442ce | Michael Hanselmann | self.share_locks[locking.LEVEL_NODE] = 1 |
2759 | 9e5442ce | Michael Hanselmann | |
2760 | 9e5442ce | Michael Hanselmann | if self.op.nodes: |
2761 | 9e5442ce | Michael Hanselmann | self.needed_locks[locking.LEVEL_NODE] = \
|
2762 | 9e5442ce | Michael Hanselmann | _GetWantedNodes(self, self.op.nodes) |
2763 | 9e5442ce | Michael Hanselmann | else:
|
2764 | 9e5442ce | Michael Hanselmann | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
2765 | 9e5442ce | Michael Hanselmann | |
2766 | 9e5442ce | Michael Hanselmann | def CheckPrereq(self): |
2767 | 9e5442ce | Michael Hanselmann | """Check prerequisites.
|
2768 | 9e5442ce | Michael Hanselmann |
|
2769 | 9e5442ce | Michael Hanselmann | This checks that the fields required are valid output fields.
|
2770 | 9e5442ce | Michael Hanselmann |
|
2771 | 9e5442ce | Michael Hanselmann | """
|
2772 | 9e5442ce | Michael Hanselmann | self.op.name = getattr(self.op, "name", None) |
2773 | 9e5442ce | Michael Hanselmann | |
2774 | 9e5442ce | Michael Hanselmann | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
2775 | 9e5442ce | Michael Hanselmann | |
2776 | 9e5442ce | Michael Hanselmann | def Exec(self, feedback_fn): |
2777 | 9e5442ce | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
2778 | 9e5442ce | Michael Hanselmann |
|
2779 | 9e5442ce | Michael Hanselmann | """
|
2780 | 9e5442ce | Michael Hanselmann | # Always get name to sort by
|
2781 | 9e5442ce | Michael Hanselmann | if constants.SF_NAME in self.op.output_fields: |
2782 | 9e5442ce | Michael Hanselmann | fields = self.op.output_fields[:]
|
2783 | 9e5442ce | Michael Hanselmann | else:
|
2784 | 9e5442ce | Michael Hanselmann | fields = [constants.SF_NAME] + self.op.output_fields
|
2785 | 9e5442ce | Michael Hanselmann | |
2786 | 620a85fd | Iustin Pop | # Never ask for node or type as it's only known to the LU
|
2787 | 620a85fd | Iustin Pop | for extra in [constants.SF_NODE, constants.SF_TYPE]: |
2788 | 620a85fd | Iustin Pop | while extra in fields: |
2789 | 620a85fd | Iustin Pop | fields.remove(extra) |
2790 | 9e5442ce | Michael Hanselmann | |
2791 | 9e5442ce | Michael Hanselmann | field_idx = dict([(name, idx) for (idx, name) in enumerate(fields)]) |
2792 | 9e5442ce | Michael Hanselmann | name_idx = field_idx[constants.SF_NAME] |
2793 | 9e5442ce | Michael Hanselmann | |
2794 | efb8da02 | Michael Hanselmann | st_args = _GetStorageTypeArgs(self.cfg, self.op.storage_type) |
2795 | 9e5442ce | Michael Hanselmann | data = self.rpc.call_storage_list(self.nodes, |
2796 | 9e5442ce | Michael Hanselmann | self.op.storage_type, st_args,
|
2797 | 9e5442ce | Michael Hanselmann | self.op.name, fields)
|
2798 | 9e5442ce | Michael Hanselmann | |
2799 | 9e5442ce | Michael Hanselmann | result = [] |
2800 | 9e5442ce | Michael Hanselmann | |
2801 | 9e5442ce | Michael Hanselmann | for node in utils.NiceSort(self.nodes): |
2802 | 9e5442ce | Michael Hanselmann | nresult = data[node] |
2803 | 9e5442ce | Michael Hanselmann | if nresult.offline:
|
2804 | 9e5442ce | Michael Hanselmann | continue
|
2805 | 9e5442ce | Michael Hanselmann | |
2806 | 9e5442ce | Michael Hanselmann | msg = nresult.fail_msg |
2807 | 9e5442ce | Michael Hanselmann | if msg:
|
2808 | 9e5442ce | Michael Hanselmann | self.LogWarning("Can't get storage data from node %s: %s", node, msg) |
2809 | 9e5442ce | Michael Hanselmann | continue
|
2810 | 9e5442ce | Michael Hanselmann | |
2811 | 9e5442ce | Michael Hanselmann | rows = dict([(row[name_idx], row) for row in nresult.payload]) |
2812 | 9e5442ce | Michael Hanselmann | |
2813 | 9e5442ce | Michael Hanselmann | for name in utils.NiceSort(rows.keys()): |
2814 | 9e5442ce | Michael Hanselmann | row = rows[name] |
2815 | 9e5442ce | Michael Hanselmann | |
2816 | 9e5442ce | Michael Hanselmann | out = [] |
2817 | 9e5442ce | Michael Hanselmann | |
2818 | 9e5442ce | Michael Hanselmann | for field in self.op.output_fields: |
2819 | 620a85fd | Iustin Pop | if field == constants.SF_NODE:
|
2820 | 9e5442ce | Michael Hanselmann | val = node |
2821 | 620a85fd | Iustin Pop | elif field == constants.SF_TYPE:
|
2822 | 620a85fd | Iustin Pop | val = self.op.storage_type
|
2823 | 9e5442ce | Michael Hanselmann | elif field in field_idx: |
2824 | 9e5442ce | Michael Hanselmann | val = row[field_idx[field]] |
2825 | 9e5442ce | Michael Hanselmann | else:
|
2826 | 9e5442ce | Michael Hanselmann | raise errors.ParameterError(field)
|
2827 | 9e5442ce | Michael Hanselmann | |
2828 | 9e5442ce | Michael Hanselmann | out.append(val) |
2829 | 9e5442ce | Michael Hanselmann | |
2830 | 9e5442ce | Michael Hanselmann | result.append(out) |
2831 | 9e5442ce | Michael Hanselmann | |
2832 | 9e5442ce | Michael Hanselmann | return result
|
2833 | 9e5442ce | Michael Hanselmann | |
2834 | 9e5442ce | Michael Hanselmann | |
2835 | efb8da02 | Michael Hanselmann | class LUModifyNodeStorage(NoHooksLU): |
2836 | efb8da02 | Michael Hanselmann | """Logical unit for modifying a storage volume on a node.
|
2837 | efb8da02 | Michael Hanselmann |
|
2838 | efb8da02 | Michael Hanselmann | """
|
2839 | efb8da02 | Michael Hanselmann | _OP_REQP = ["node_name", "storage_type", "name", "changes"] |
2840 | efb8da02 | Michael Hanselmann | REQ_BGL = False
|
2841 | efb8da02 | Michael Hanselmann | |
2842 | efb8da02 | Michael Hanselmann | def CheckArguments(self): |
2843 | efb8da02 | Michael Hanselmann | node_name = self.cfg.ExpandNodeName(self.op.node_name) |
2844 | efb8da02 | Michael Hanselmann | if node_name is None: |
2845 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name, |
2846 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
2847 | efb8da02 | Michael Hanselmann | |
2848 | efb8da02 | Michael Hanselmann | self.op.node_name = node_name
|
2849 | efb8da02 | Michael Hanselmann | |
2850 | efb8da02 | Michael Hanselmann | storage_type = self.op.storage_type
|
2851 | 620a85fd | Iustin Pop | if storage_type not in constants.VALID_STORAGE_TYPES: |
2852 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Unknown storage type: %s" % storage_type, |
2853 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2854 | efb8da02 | Michael Hanselmann | |
2855 | efb8da02 | Michael Hanselmann | def ExpandNames(self): |
2856 | efb8da02 | Michael Hanselmann | self.needed_locks = {
|
2857 | efb8da02 | Michael Hanselmann | locking.LEVEL_NODE: self.op.node_name,
|
2858 | efb8da02 | Michael Hanselmann | } |
2859 | efb8da02 | Michael Hanselmann | |
2860 | efb8da02 | Michael Hanselmann | def CheckPrereq(self): |
2861 | efb8da02 | Michael Hanselmann | """Check prerequisites.
|
2862 | efb8da02 | Michael Hanselmann |
|
2863 | efb8da02 | Michael Hanselmann | """
|
2864 | efb8da02 | Michael Hanselmann | storage_type = self.op.storage_type
|
2865 | efb8da02 | Michael Hanselmann | |
2866 | efb8da02 | Michael Hanselmann | try:
|
2867 | efb8da02 | Michael Hanselmann | modifiable = constants.MODIFIABLE_STORAGE_FIELDS[storage_type] |
2868 | efb8da02 | Michael Hanselmann | except KeyError: |
2869 | efb8da02 | Michael Hanselmann | raise errors.OpPrereqError("Storage units of type '%s' can not be" |
2870 | 5c983ee5 | Iustin Pop | " modified" % storage_type,
|
2871 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2872 | efb8da02 | Michael Hanselmann | |
2873 | efb8da02 | Michael Hanselmann | diff = set(self.op.changes.keys()) - modifiable |
2874 | efb8da02 | Michael Hanselmann | if diff:
|
2875 | efb8da02 | Michael Hanselmann | raise errors.OpPrereqError("The following fields can not be modified for" |
2876 | efb8da02 | Michael Hanselmann | " storage units of type '%s': %r" %
|
2877 | 5c983ee5 | Iustin Pop | (storage_type, list(diff)),
|
2878 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2879 | efb8da02 | Michael Hanselmann | |
2880 | efb8da02 | Michael Hanselmann | def Exec(self, feedback_fn): |
2881 | efb8da02 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
2882 | efb8da02 | Michael Hanselmann |
|
2883 | efb8da02 | Michael Hanselmann | """
|
2884 | efb8da02 | Michael Hanselmann | st_args = _GetStorageTypeArgs(self.cfg, self.op.storage_type) |
2885 | efb8da02 | Michael Hanselmann | result = self.rpc.call_storage_modify(self.op.node_name, |
2886 | efb8da02 | Michael Hanselmann | self.op.storage_type, st_args,
|
2887 | efb8da02 | Michael Hanselmann | self.op.name, self.op.changes) |
2888 | efb8da02 | Michael Hanselmann | result.Raise("Failed to modify storage unit '%s' on %s" %
|
2889 | efb8da02 | Michael Hanselmann | (self.op.name, self.op.node_name)) |
2890 | efb8da02 | Michael Hanselmann | |
2891 | efb8da02 | Michael Hanselmann | |
2892 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
2893 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
2894 | a8083063 | Iustin Pop |
|
2895 | a8083063 | Iustin Pop | """
|
2896 | a8083063 | Iustin Pop | HPATH = "node-add"
|
2897 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
2898 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
2899 | a8083063 | Iustin Pop | |
2900 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2901 | a8083063 | Iustin Pop | """Build hooks env.
|
2902 | a8083063 | Iustin Pop |
|
2903 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
2904 | a8083063 | Iustin Pop |
|
2905 | a8083063 | Iustin Pop | """
|
2906 | a8083063 | Iustin Pop | env = { |
2907 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
2908 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
2909 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
2910 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
2911 | a8083063 | Iustin Pop | } |
2912 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
2913 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
2914 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
2915 | a8083063 | Iustin Pop | |
2916 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2917 | a8083063 | Iustin Pop | """Check prerequisites.
|
2918 | a8083063 | Iustin Pop |
|
2919 | a8083063 | Iustin Pop | This checks:
|
2920 | a8083063 | Iustin Pop | - the new node is not already in the config
|
2921 | a8083063 | Iustin Pop | - it is resolvable
|
2922 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
2923 | a8083063 | Iustin Pop |
|
2924 | 5bbd3f7f | Michael Hanselmann | Any errors are signaled by raising errors.OpPrereqError.
|
2925 | a8083063 | Iustin Pop |
|
2926 | a8083063 | Iustin Pop | """
|
2927 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
2928 | a8083063 | Iustin Pop | cfg = self.cfg
|
2929 | a8083063 | Iustin Pop | |
2930 | 104f4ca1 | Iustin Pop | dns_data = utils.GetHostInfo(node_name) |
2931 | a8083063 | Iustin Pop | |
2932 | bcf043c9 | Iustin Pop | node = dns_data.name |
2933 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
2934 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
2935 | a8083063 | Iustin Pop | if secondary_ip is None: |
2936 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
2937 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
2938 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given", |
2939 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2940 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
2941 | e7c6e02b | Michael Hanselmann | |
2942 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
2943 | e7c6e02b | Michael Hanselmann | if not self.op.readd and node in node_list: |
2944 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is already in the configuration" % |
2945 | 5c983ee5 | Iustin Pop | node, errors.ECODE_EXISTS) |
2946 | e7c6e02b | Michael Hanselmann | elif self.op.readd and node not in node_list: |
2947 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Node %s is not in the configuration" % node, |
2948 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
2949 | a8083063 | Iustin Pop | |
2950 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
2951 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
2952 | e7c6e02b | Michael Hanselmann | |
2953 | e7c6e02b | Michael Hanselmann | if self.op.readd and node == existing_node_name: |
2954 | e7c6e02b | Michael Hanselmann | if (existing_node.primary_ip != primary_ip or |
2955 | e7c6e02b | Michael Hanselmann | existing_node.secondary_ip != secondary_ip): |
2956 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Readded node doesn't have the same IP" |
2957 | 5c983ee5 | Iustin Pop | " address configuration as before",
|
2958 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2959 | e7c6e02b | Michael Hanselmann | continue
|
2960 | e7c6e02b | Michael Hanselmann | |
2961 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
2962 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
2963 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
2964 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
2965 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
2966 | 5c983ee5 | Iustin Pop | " existing node %s" % existing_node.name,
|
2967 | 5c983ee5 | Iustin Pop | errors.ECODE_NOTUNIQUE) |
2968 | a8083063 | Iustin Pop | |
2969 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
2970 | a8083063 | Iustin Pop | # same as for the master
|
2971 | d6a02168 | Michael Hanselmann | myself = cfg.GetNodeInfo(self.cfg.GetMasterNode())
|
2972 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
2973 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
2974 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
2975 | a8083063 | Iustin Pop | if master_singlehomed:
|
2976 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
2977 | 5c983ee5 | Iustin Pop | " new node has one",
|
2978 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2979 | a8083063 | Iustin Pop | else:
|
2980 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
2981 | 5c983ee5 | Iustin Pop | " new node doesn't have one",
|
2982 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
2983 | a8083063 | Iustin Pop | |
2984 | 5bbd3f7f | Michael Hanselmann | # checks reachability
|
2985 | b15d625f | Iustin Pop | if not utils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
2986 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping", |
2987 | 5c983ee5 | Iustin Pop | errors.ECODE_ENVIRON) |
2988 | a8083063 | Iustin Pop | |
2989 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
2990 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
2991 | b15d625f | Iustin Pop | if not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
2992 | b15d625f | Iustin Pop | source=myself.secondary_ip): |
2993 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
2994 | 5c983ee5 | Iustin Pop | " based ping to noded port",
|
2995 | 5c983ee5 | Iustin Pop | errors.ECODE_ENVIRON) |
2996 | a8083063 | Iustin Pop | |
2997 | a8ae3eb5 | Iustin Pop | if self.op.readd: |
2998 | a8ae3eb5 | Iustin Pop | exceptions = [node] |
2999 | a8ae3eb5 | Iustin Pop | else:
|
3000 | a8ae3eb5 | Iustin Pop | exceptions = [] |
3001 | 6d7e1f20 | Guido Trotter | |
3002 | 6d7e1f20 | Guido Trotter | self.master_candidate = _DecideSelfPromotion(self, exceptions=exceptions) |
3003 | 0fff97e9 | Guido Trotter | |
3004 | a8ae3eb5 | Iustin Pop | if self.op.readd: |
3005 | a8ae3eb5 | Iustin Pop | self.new_node = self.cfg.GetNodeInfo(node) |
3006 | a8ae3eb5 | Iustin Pop | assert self.new_node is not None, "Can't retrieve locked node %s" % node |
3007 | a8ae3eb5 | Iustin Pop | else:
|
3008 | a8ae3eb5 | Iustin Pop | self.new_node = objects.Node(name=node,
|
3009 | a8ae3eb5 | Iustin Pop | primary_ip=primary_ip, |
3010 | a8ae3eb5 | Iustin Pop | secondary_ip=secondary_ip, |
3011 | a8ae3eb5 | Iustin Pop | master_candidate=self.master_candidate,
|
3012 | a8ae3eb5 | Iustin Pop | offline=False, drained=False) |
3013 | a8083063 | Iustin Pop | |
3014 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3015 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
3016 | a8083063 | Iustin Pop |
|
3017 | a8083063 | Iustin Pop | """
|
3018 | a8083063 | Iustin Pop | new_node = self.new_node
|
3019 | a8083063 | Iustin Pop | node = new_node.name |
3020 | a8083063 | Iustin Pop | |
3021 | a8ae3eb5 | Iustin Pop | # for re-adds, reset the offline/drained/master-candidate flags;
|
3022 | a8ae3eb5 | Iustin Pop | # we need to reset here, otherwise offline would prevent RPC calls
|
3023 | a8ae3eb5 | Iustin Pop | # later in the procedure; this also means that if the re-add
|
3024 | a8ae3eb5 | Iustin Pop | # fails, we are left with a non-offlined, broken node
|
3025 | a8ae3eb5 | Iustin Pop | if self.op.readd: |
3026 | 7260cfbe | Iustin Pop | new_node.drained = new_node.offline = False # pylint: disable-msg=W0201 |
3027 | a8ae3eb5 | Iustin Pop | self.LogInfo("Readding a node, the offline/drained flags were reset") |
3028 | a8ae3eb5 | Iustin Pop | # if we demote the node, we do cleanup later in the procedure
|
3029 | a8ae3eb5 | Iustin Pop | new_node.master_candidate = self.master_candidate
|
3030 | a8ae3eb5 | Iustin Pop | |
3031 | a8ae3eb5 | Iustin Pop | # notify the user about any possible mc promotion
|
3032 | a8ae3eb5 | Iustin Pop | if new_node.master_candidate:
|
3033 | a8ae3eb5 | Iustin Pop | self.LogInfo("Node will be a master candidate") |
3034 | a8ae3eb5 | Iustin Pop | |
3035 | a8083063 | Iustin Pop | # check connectivity
|
3036 | 72737a7f | Iustin Pop | result = self.rpc.call_version([node])[node]
|
3037 | 4c4e4e1e | Iustin Pop | result.Raise("Can't get version information from node %s" % node)
|
3038 | 90b54c26 | Iustin Pop | if constants.PROTOCOL_VERSION == result.payload:
|
3039 | 90b54c26 | Iustin Pop | logging.info("Communication to node %s fine, sw version %s match",
|
3040 | 90b54c26 | Iustin Pop | node, result.payload) |
3041 | a8083063 | Iustin Pop | else:
|
3042 | 90b54c26 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
3043 | 90b54c26 | Iustin Pop | " node version %s" %
|
3044 | 90b54c26 | Iustin Pop | (constants.PROTOCOL_VERSION, result.payload)) |
3045 | a8083063 | Iustin Pop | |
3046 | a8083063 | Iustin Pop | # setup ssh on node
|
3047 | b989b9d9 | Ken Wehr | if self.cfg.GetClusterInfo().modify_ssh_setup: |
3048 | b989b9d9 | Ken Wehr | logging.info("Copy ssh key to node %s", node)
|
3049 | b989b9d9 | Ken Wehr | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
3050 | b989b9d9 | Ken Wehr | keyarray = [] |
3051 | b989b9d9 | Ken Wehr | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
3052 | b989b9d9 | Ken Wehr | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
3053 | b989b9d9 | Ken Wehr | priv_key, pub_key] |
3054 | b989b9d9 | Ken Wehr | |
3055 | b989b9d9 | Ken Wehr | for i in keyfiles: |
3056 | b989b9d9 | Ken Wehr | keyarray.append(utils.ReadFile(i)) |
3057 | b989b9d9 | Ken Wehr | |
3058 | b989b9d9 | Ken Wehr | result = self.rpc.call_node_add(node, keyarray[0], keyarray[1], |
3059 | b989b9d9 | Ken Wehr | keyarray[2], keyarray[3], keyarray[4], |
3060 | b989b9d9 | Ken Wehr | keyarray[5])
|
3061 | b989b9d9 | Ken Wehr | result.Raise("Cannot transfer ssh keys to the new node")
|
3062 | a8083063 | Iustin Pop | |
3063 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
3064 | b86a6bcd | Guido Trotter | if self.cfg.GetClusterInfo().modify_etc_hosts: |
3065 | b86a6bcd | Guido Trotter | utils.AddHostToEtcHosts(new_node.name) |
3066 | c8a0948f | Michael Hanselmann | |
3067 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
3068 | 781de953 | Iustin Pop | result = self.rpc.call_node_has_ip_address(new_node.name,
|
3069 | 781de953 | Iustin Pop | new_node.secondary_ip) |
3070 | 4c4e4e1e | Iustin Pop | result.Raise("Failure checking secondary ip on node %s" % new_node.name,
|
3071 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_ENVIRON)
|
3072 | c2fc8250 | Iustin Pop | if not result.payload: |
3073 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
3074 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
3075 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
3076 | a8083063 | Iustin Pop | |
3077 | d6a02168 | Michael Hanselmann | node_verify_list = [self.cfg.GetMasterNode()]
|
3078 | 5c0527ed | Guido Trotter | node_verify_param = { |
3079 | f60759f7 | Iustin Pop | constants.NV_NODELIST: [node], |
3080 | 5c0527ed | Guido Trotter | # TODO: do a node-net-test as well?
|
3081 | 5c0527ed | Guido Trotter | } |
3082 | 5c0527ed | Guido Trotter | |
3083 | 72737a7f | Iustin Pop | result = self.rpc.call_node_verify(node_verify_list, node_verify_param,
|
3084 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
3085 | 5c0527ed | Guido Trotter | for verifier in node_verify_list: |
3086 | 4c4e4e1e | Iustin Pop | result[verifier].Raise("Cannot communicate with node %s" % verifier)
|
3087 | f60759f7 | Iustin Pop | nl_payload = result[verifier].payload[constants.NV_NODELIST] |
3088 | 6f68a739 | Iustin Pop | if nl_payload:
|
3089 | 6f68a739 | Iustin Pop | for failed in nl_payload: |
3090 | 31821208 | Iustin Pop | feedback_fn("ssh/hostname verification failed"
|
3091 | 31821208 | Iustin Pop | " (checking from %s): %s" %
|
3092 | 6f68a739 | Iustin Pop | (verifier, nl_payload[failed])) |
3093 | 5c0527ed | Guido Trotter | raise errors.OpExecError("ssh/hostname verification failed.") |
3094 | ff98055b | Iustin Pop | |
3095 | d8470559 | Michael Hanselmann | if self.op.readd: |
3096 | 28eddce5 | Guido Trotter | _RedistributeAncillaryFiles(self)
|
3097 | d8470559 | Michael Hanselmann | self.context.ReaddNode(new_node)
|
3098 | a8ae3eb5 | Iustin Pop | # make sure we redistribute the config
|
3099 | a4eae71f | Michael Hanselmann | self.cfg.Update(new_node, feedback_fn)
|
3100 | a8ae3eb5 | Iustin Pop | # and make sure the new node will not have old files around
|
3101 | a8ae3eb5 | Iustin Pop | if not new_node.master_candidate: |
3102 | a8ae3eb5 | Iustin Pop | result = self.rpc.call_node_demote_from_mc(new_node.name)
|
3103 | 3cebe102 | Michael Hanselmann | msg = result.fail_msg |
3104 | a8ae3eb5 | Iustin Pop | if msg:
|
3105 | a8ae3eb5 | Iustin Pop | self.LogWarning("Node failed to demote itself from master" |
3106 | a8ae3eb5 | Iustin Pop | " candidate status: %s" % msg)
|
3107 | d8470559 | Michael Hanselmann | else:
|
3108 | 035566e3 | Iustin Pop | _RedistributeAncillaryFiles(self, additional_nodes=[node])
|
3109 | 0debfb35 | Guido Trotter | self.context.AddNode(new_node, self.proc.GetECId()) |
3110 | a8083063 | Iustin Pop | |
3111 | a8083063 | Iustin Pop | |
3112 | b31c8676 | Iustin Pop | class LUSetNodeParams(LogicalUnit): |
3113 | b31c8676 | Iustin Pop | """Modifies the parameters of a node.
|
3114 | b31c8676 | Iustin Pop |
|
3115 | b31c8676 | Iustin Pop | """
|
3116 | b31c8676 | Iustin Pop | HPATH = "node-modify"
|
3117 | b31c8676 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
3118 | b31c8676 | Iustin Pop | _OP_REQP = ["node_name"]
|
3119 | b31c8676 | Iustin Pop | REQ_BGL = False
|
3120 | b31c8676 | Iustin Pop | |
3121 | b31c8676 | Iustin Pop | def CheckArguments(self): |
3122 | b31c8676 | Iustin Pop | node_name = self.cfg.ExpandNodeName(self.op.node_name) |
3123 | b31c8676 | Iustin Pop | if node_name is None: |
3124 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name, |
3125 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3126 | b31c8676 | Iustin Pop | self.op.node_name = node_name
|
3127 | 3a5ba66a | Iustin Pop | _CheckBooleanOpField(self.op, 'master_candidate') |
3128 | 3a5ba66a | Iustin Pop | _CheckBooleanOpField(self.op, 'offline') |
3129 | c9d443ea | Iustin Pop | _CheckBooleanOpField(self.op, 'drained') |
3130 | c9d443ea | Iustin Pop | all_mods = [self.op.offline, self.op.master_candidate, self.op.drained] |
3131 | c9d443ea | Iustin Pop | if all_mods.count(None) == 3: |
3132 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Please pass at least one modification", |
3133 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3134 | c9d443ea | Iustin Pop | if all_mods.count(True) > 1: |
3135 | c9d443ea | Iustin Pop | raise errors.OpPrereqError("Can't set the node into more than one" |
3136 | 5c983ee5 | Iustin Pop | " state at the same time",
|
3137 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3138 | b31c8676 | Iustin Pop | |
3139 | b31c8676 | Iustin Pop | def ExpandNames(self): |
3140 | b31c8676 | Iustin Pop | self.needed_locks = {locking.LEVEL_NODE: self.op.node_name} |
3141 | b31c8676 | Iustin Pop | |
3142 | b31c8676 | Iustin Pop | def BuildHooksEnv(self): |
3143 | b31c8676 | Iustin Pop | """Build hooks env.
|
3144 | b31c8676 | Iustin Pop |
|
3145 | b31c8676 | Iustin Pop | This runs on the master node.
|
3146 | b31c8676 | Iustin Pop |
|
3147 | b31c8676 | Iustin Pop | """
|
3148 | b31c8676 | Iustin Pop | env = { |
3149 | b31c8676 | Iustin Pop | "OP_TARGET": self.op.node_name, |
3150 | b31c8676 | Iustin Pop | "MASTER_CANDIDATE": str(self.op.master_candidate), |
3151 | 3a5ba66a | Iustin Pop | "OFFLINE": str(self.op.offline), |
3152 | c9d443ea | Iustin Pop | "DRAINED": str(self.op.drained), |
3153 | b31c8676 | Iustin Pop | } |
3154 | b31c8676 | Iustin Pop | nl = [self.cfg.GetMasterNode(),
|
3155 | b31c8676 | Iustin Pop | self.op.node_name]
|
3156 | b31c8676 | Iustin Pop | return env, nl, nl
|
3157 | b31c8676 | Iustin Pop | |
3158 | b31c8676 | Iustin Pop | def CheckPrereq(self): |
3159 | b31c8676 | Iustin Pop | """Check prerequisites.
|
3160 | b31c8676 | Iustin Pop |
|
3161 | b31c8676 | Iustin Pop | This only checks the instance list against the existing names.
|
3162 | b31c8676 | Iustin Pop |
|
3163 | b31c8676 | Iustin Pop | """
|
3164 | 3a5ba66a | Iustin Pop | node = self.node = self.cfg.GetNodeInfo(self.op.node_name) |
3165 | b31c8676 | Iustin Pop | |
3166 | 97c61d46 | Iustin Pop | if (self.op.master_candidate is not None or |
3167 | 97c61d46 | Iustin Pop | self.op.drained is not None or |
3168 | 97c61d46 | Iustin Pop | self.op.offline is not None): |
3169 | 97c61d46 | Iustin Pop | # we can't change the master's node flags
|
3170 | 97c61d46 | Iustin Pop | if self.op.node_name == self.cfg.GetMasterNode(): |
3171 | 97c61d46 | Iustin Pop | raise errors.OpPrereqError("The master role can be changed" |
3172 | 5c983ee5 | Iustin Pop | " only via masterfailover",
|
3173 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3174 | 97c61d46 | Iustin Pop | |
3175 | 8fbf5ac7 | Guido Trotter | # Boolean value that tells us whether we're offlining or draining the node
|
3176 | 8fbf5ac7 | Guido Trotter | offline_or_drain = self.op.offline == True or self.op.drained == True |
3177 | 3d9eb52b | Guido Trotter | deoffline_or_drain = self.op.offline == False or self.op.drained == False |
3178 | 8fbf5ac7 | Guido Trotter | |
3179 | 8fbf5ac7 | Guido Trotter | if (node.master_candidate and |
3180 | 8fbf5ac7 | Guido Trotter | (self.op.master_candidate == False or offline_or_drain)): |
3181 | 3e83dd48 | Iustin Pop | cp_size = self.cfg.GetClusterInfo().candidate_pool_size
|
3182 | 8fbf5ac7 | Guido Trotter | mc_now, mc_should, mc_max = self.cfg.GetMasterCandidateStats()
|
3183 | 8fbf5ac7 | Guido Trotter | if mc_now <= cp_size:
|
3184 | 3e83dd48 | Iustin Pop | msg = ("Not enough master candidates (desired"
|
3185 | 8fbf5ac7 | Guido Trotter | " %d, new value will be %d)" % (cp_size, mc_now-1)) |
3186 | 8fbf5ac7 | Guido Trotter | # Only allow forcing the operation if it's an offline/drain operation,
|
3187 | 8fbf5ac7 | Guido Trotter | # and we could not possibly promote more nodes.
|
3188 | 8fbf5ac7 | Guido Trotter | # FIXME: this can still lead to issues if in any way another node which
|
3189 | 8fbf5ac7 | Guido Trotter | # could be promoted appears in the meantime.
|
3190 | 8fbf5ac7 | Guido Trotter | if self.op.force and offline_or_drain and mc_should == mc_max: |
3191 | 3e83dd48 | Iustin Pop | self.LogWarning(msg)
|
3192 | 3e83dd48 | Iustin Pop | else:
|
3193 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
|
3194 | 3e83dd48 | Iustin Pop | |
3195 | c9d443ea | Iustin Pop | if (self.op.master_candidate == True and |
3196 | c9d443ea | Iustin Pop | ((node.offline and not self.op.offline == False) or |
3197 | c9d443ea | Iustin Pop | (node.drained and not self.op.drained == False))): |
3198 | c9d443ea | Iustin Pop | raise errors.OpPrereqError("Node '%s' is offline or drained, can't set" |
3199 | 5c983ee5 | Iustin Pop | " to master_candidate" % node.name,
|
3200 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3201 | 3a5ba66a | Iustin Pop | |
3202 | 3d9eb52b | Guido Trotter | # If we're being deofflined/drained, we'll MC ourself if needed
|
3203 | 3d9eb52b | Guido Trotter | if (deoffline_or_drain and not offline_or_drain and not |
3204 | 3d9eb52b | Guido Trotter | self.op.master_candidate == True): |
3205 | 3d9eb52b | Guido Trotter | self.op.master_candidate = _DecideSelfPromotion(self) |
3206 | 3d9eb52b | Guido Trotter | if self.op.master_candidate: |
3207 | 3d9eb52b | Guido Trotter | self.LogInfo("Autopromoting node to master candidate") |
3208 | 3d9eb52b | Guido Trotter | |
3209 | b31c8676 | Iustin Pop | return
|
3210 | b31c8676 | Iustin Pop | |
3211 | b31c8676 | Iustin Pop | def Exec(self, feedback_fn): |
3212 | b31c8676 | Iustin Pop | """Modifies a node.
|
3213 | b31c8676 | Iustin Pop |
|
3214 | b31c8676 | Iustin Pop | """
|
3215 | 3a5ba66a | Iustin Pop | node = self.node
|
3216 | b31c8676 | Iustin Pop | |
3217 | b31c8676 | Iustin Pop | result = [] |
3218 | c9d443ea | Iustin Pop | changed_mc = False
|
3219 | b31c8676 | Iustin Pop | |
3220 | 3a5ba66a | Iustin Pop | if self.op.offline is not None: |
3221 | 3a5ba66a | Iustin Pop | node.offline = self.op.offline
|
3222 | 3a5ba66a | Iustin Pop | result.append(("offline", str(self.op.offline))) |
3223 | c9d443ea | Iustin Pop | if self.op.offline == True: |
3224 | c9d443ea | Iustin Pop | if node.master_candidate:
|
3225 | c9d443ea | Iustin Pop | node.master_candidate = False
|
3226 | c9d443ea | Iustin Pop | changed_mc = True
|
3227 | c9d443ea | Iustin Pop | result.append(("master_candidate", "auto-demotion due to offline")) |
3228 | c9d443ea | Iustin Pop | if node.drained:
|
3229 | c9d443ea | Iustin Pop | node.drained = False
|
3230 | c9d443ea | Iustin Pop | result.append(("drained", "clear drained status due to offline")) |
3231 | 3a5ba66a | Iustin Pop | |
3232 | b31c8676 | Iustin Pop | if self.op.master_candidate is not None: |
3233 | b31c8676 | Iustin Pop | node.master_candidate = self.op.master_candidate
|
3234 | c9d443ea | Iustin Pop | changed_mc = True
|
3235 | b31c8676 | Iustin Pop | result.append(("master_candidate", str(self.op.master_candidate))) |
3236 | 56aa9fd5 | Iustin Pop | if self.op.master_candidate == False: |
3237 | 56aa9fd5 | Iustin Pop | rrc = self.rpc.call_node_demote_from_mc(node.name)
|
3238 | 4c4e4e1e | Iustin Pop | msg = rrc.fail_msg |
3239 | 0959c824 | Iustin Pop | if msg:
|
3240 | 0959c824 | Iustin Pop | self.LogWarning("Node failed to demote itself: %s" % msg) |
3241 | b31c8676 | Iustin Pop | |
3242 | c9d443ea | Iustin Pop | if self.op.drained is not None: |
3243 | c9d443ea | Iustin Pop | node.drained = self.op.drained
|
3244 | 82e12743 | Iustin Pop | result.append(("drained", str(self.op.drained))) |
3245 | c9d443ea | Iustin Pop | if self.op.drained == True: |
3246 | c9d443ea | Iustin Pop | if node.master_candidate:
|
3247 | c9d443ea | Iustin Pop | node.master_candidate = False
|
3248 | c9d443ea | Iustin Pop | changed_mc = True
|
3249 | c9d443ea | Iustin Pop | result.append(("master_candidate", "auto-demotion due to drain")) |
3250 | dec0d9da | Iustin Pop | rrc = self.rpc.call_node_demote_from_mc(node.name)
|
3251 | 3cebe102 | Michael Hanselmann | msg = rrc.fail_msg |
3252 | dec0d9da | Iustin Pop | if msg:
|
3253 | dec0d9da | Iustin Pop | self.LogWarning("Node failed to demote itself: %s" % msg) |
3254 | c9d443ea | Iustin Pop | if node.offline:
|
3255 | c9d443ea | Iustin Pop | node.offline = False
|
3256 | c9d443ea | Iustin Pop | result.append(("offline", "clear offline status due to drain")) |
3257 | c9d443ea | Iustin Pop | |
3258 | b31c8676 | Iustin Pop | # this will trigger configuration file update, if needed
|
3259 | a4eae71f | Michael Hanselmann | self.cfg.Update(node, feedback_fn)
|
3260 | b31c8676 | Iustin Pop | # this will trigger job queue propagation or cleanup
|
3261 | c9d443ea | Iustin Pop | if changed_mc:
|
3262 | 3a26773f | Iustin Pop | self.context.ReaddNode(node)
|
3263 | b31c8676 | Iustin Pop | |
3264 | b31c8676 | Iustin Pop | return result
|
3265 | b31c8676 | Iustin Pop | |
3266 | b31c8676 | Iustin Pop | |
3267 | f5118ade | Iustin Pop | class LUPowercycleNode(NoHooksLU): |
3268 | f5118ade | Iustin Pop | """Powercycles a node.
|
3269 | f5118ade | Iustin Pop |
|
3270 | f5118ade | Iustin Pop | """
|
3271 | f5118ade | Iustin Pop | _OP_REQP = ["node_name", "force"] |
3272 | f5118ade | Iustin Pop | REQ_BGL = False
|
3273 | f5118ade | Iustin Pop | |
3274 | f5118ade | Iustin Pop | def CheckArguments(self): |
3275 | f5118ade | Iustin Pop | node_name = self.cfg.ExpandNodeName(self.op.node_name) |
3276 | f5118ade | Iustin Pop | if node_name is None: |
3277 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name, |
3278 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
3279 | f5118ade | Iustin Pop | self.op.node_name = node_name
|
3280 | f5118ade | Iustin Pop | if node_name == self.cfg.GetMasterNode() and not self.op.force: |
3281 | f5118ade | Iustin Pop | raise errors.OpPrereqError("The node is the master and the force" |
3282 | 5c983ee5 | Iustin Pop | " parameter was not set",
|
3283 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3284 | f5118ade | Iustin Pop | |
3285 | f5118ade | Iustin Pop | def ExpandNames(self): |
3286 | f5118ade | Iustin Pop | """Locking for PowercycleNode.
|
3287 | f5118ade | Iustin Pop |
|
3288 | efb8da02 | Michael Hanselmann | This is a last-resort option and shouldn't block on other
|
3289 | f5118ade | Iustin Pop | jobs. Therefore, we grab no locks.
|
3290 | f5118ade | Iustin Pop |
|
3291 | f5118ade | Iustin Pop | """
|
3292 | f5118ade | Iustin Pop | self.needed_locks = {}
|
3293 | f5118ade | Iustin Pop | |
3294 | f5118ade | Iustin Pop | def CheckPrereq(self): |
3295 | f5118ade | Iustin Pop | """Check prerequisites.
|
3296 | f5118ade | Iustin Pop |
|
3297 | f5118ade | Iustin Pop | This LU has no prereqs.
|
3298 | f5118ade | Iustin Pop |
|
3299 | f5118ade | Iustin Pop | """
|
3300 | f5118ade | Iustin Pop | pass
|
3301 | f5118ade | Iustin Pop | |
3302 | f5118ade | Iustin Pop | def Exec(self, feedback_fn): |
3303 | f5118ade | Iustin Pop | """Reboots a node.
|
3304 | f5118ade | Iustin Pop |
|
3305 | f5118ade | Iustin Pop | """
|
3306 | f5118ade | Iustin Pop | result = self.rpc.call_node_powercycle(self.op.node_name, |
3307 | f5118ade | Iustin Pop | self.cfg.GetHypervisorType())
|
3308 | 4c4e4e1e | Iustin Pop | result.Raise("Failed to schedule the reboot")
|
3309 | f5118ade | Iustin Pop | return result.payload
|
3310 | f5118ade | Iustin Pop | |
3311 | f5118ade | Iustin Pop | |
3312 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
3313 | a8083063 | Iustin Pop | """Query cluster configuration.
|
3314 | a8083063 | Iustin Pop |
|
3315 | a8083063 | Iustin Pop | """
|
3316 | a8083063 | Iustin Pop | _OP_REQP = [] |
3317 | 642339cf | Guido Trotter | REQ_BGL = False
|
3318 | 642339cf | Guido Trotter | |
3319 | 642339cf | Guido Trotter | def ExpandNames(self): |
3320 | 642339cf | Guido Trotter | self.needed_locks = {}
|
3321 | a8083063 | Iustin Pop | |
3322 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3323 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
3324 | a8083063 | Iustin Pop |
|
3325 | a8083063 | Iustin Pop | """
|
3326 | a8083063 | Iustin Pop | pass
|
3327 | a8083063 | Iustin Pop | |
3328 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3329 | a8083063 | Iustin Pop | """Return cluster config.
|
3330 | a8083063 | Iustin Pop |
|
3331 | a8083063 | Iustin Pop | """
|
3332 | 469f88e1 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
3333 | a8083063 | Iustin Pop | result = { |
3334 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
3335 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
3336 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
3337 | d1a7d66f | Guido Trotter | "os_api_version": max(constants.OS_API_VERSIONS), |
3338 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
3339 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
3340 | 469f88e1 | Iustin Pop | "name": cluster.cluster_name,
|
3341 | 469f88e1 | Iustin Pop | "master": cluster.master_node,
|
3342 | 066f465d | Guido Trotter | "default_hypervisor": cluster.enabled_hypervisors[0], |
3343 | 469f88e1 | Iustin Pop | "enabled_hypervisors": cluster.enabled_hypervisors,
|
3344 | b8810fec | Michael Hanselmann | "hvparams": dict([(hypervisor_name, cluster.hvparams[hypervisor_name]) |
3345 | 7c4d6c7b | Michael Hanselmann | for hypervisor_name in cluster.enabled_hypervisors]), |
3346 | 469f88e1 | Iustin Pop | "beparams": cluster.beparams,
|
3347 | 1094acda | Guido Trotter | "nicparams": cluster.nicparams,
|
3348 | 4b7735f9 | Iustin Pop | "candidate_pool_size": cluster.candidate_pool_size,
|
3349 | 7a56b411 | Guido Trotter | "master_netdev": cluster.master_netdev,
|
3350 | 7a56b411 | Guido Trotter | "volume_group_name": cluster.volume_group_name,
|
3351 | 7a56b411 | Guido Trotter | "file_storage_dir": cluster.file_storage_dir,
|
3352 | 90f72445 | Iustin Pop | "ctime": cluster.ctime,
|
3353 | 90f72445 | Iustin Pop | "mtime": cluster.mtime,
|
3354 | 259578eb | Iustin Pop | "uuid": cluster.uuid,
|
3355 | c118d1f4 | Michael Hanselmann | "tags": list(cluster.GetTags()), |
3356 | a8083063 | Iustin Pop | } |
3357 | a8083063 | Iustin Pop | |
3358 | a8083063 | Iustin Pop | return result
|
3359 | a8083063 | Iustin Pop | |
3360 | a8083063 | Iustin Pop | |
3361 | ae5849b5 | Michael Hanselmann | class LUQueryConfigValues(NoHooksLU): |
3362 | ae5849b5 | Michael Hanselmann | """Return configuration values.
|
3363 | a8083063 | Iustin Pop |
|
3364 | a8083063 | Iustin Pop | """
|
3365 | a8083063 | Iustin Pop | _OP_REQP = [] |
3366 | 642339cf | Guido Trotter | REQ_BGL = False
|
3367 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet() |
3368 | 05e50653 | Michael Hanselmann | _FIELDS_STATIC = utils.FieldSet("cluster_name", "master_node", "drain_flag", |
3369 | 05e50653 | Michael Hanselmann | "watcher_pause")
|
3370 | 642339cf | Guido Trotter | |
3371 | 642339cf | Guido Trotter | def ExpandNames(self): |
3372 | 642339cf | Guido Trotter | self.needed_locks = {}
|
3373 | a8083063 | Iustin Pop | |
3374 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
3375 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
3376 | ae5849b5 | Michael Hanselmann | selected=self.op.output_fields)
|
3377 | ae5849b5 | Michael Hanselmann | |
3378 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3379 | a8083063 | Iustin Pop | """No prerequisites.
|
3380 | a8083063 | Iustin Pop |
|
3381 | a8083063 | Iustin Pop | """
|
3382 | a8083063 | Iustin Pop | pass
|
3383 | a8083063 | Iustin Pop | |
3384 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3385 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
3386 | a8083063 | Iustin Pop |
|
3387 | a8083063 | Iustin Pop | """
|
3388 | ae5849b5 | Michael Hanselmann | values = [] |
3389 | ae5849b5 | Michael Hanselmann | for field in self.op.output_fields: |
3390 | ae5849b5 | Michael Hanselmann | if field == "cluster_name": |
3391 | 3ccafd0e | Iustin Pop | entry = self.cfg.GetClusterName()
|
3392 | ae5849b5 | Michael Hanselmann | elif field == "master_node": |
3393 | 3ccafd0e | Iustin Pop | entry = self.cfg.GetMasterNode()
|
3394 | 3ccafd0e | Iustin Pop | elif field == "drain_flag": |
3395 | 3ccafd0e | Iustin Pop | entry = os.path.exists(constants.JOB_QUEUE_DRAIN_FILE) |
3396 | 05e50653 | Michael Hanselmann | elif field == "watcher_pause": |
3397 | 05e50653 | Michael Hanselmann | return utils.ReadWatcherPauseFile(constants.WATCHER_PAUSEFILE)
|
3398 | ae5849b5 | Michael Hanselmann | else:
|
3399 | ae5849b5 | Michael Hanselmann | raise errors.ParameterError(field)
|
3400 | 3ccafd0e | Iustin Pop | values.append(entry) |
3401 | ae5849b5 | Michael Hanselmann | return values
|
3402 | a8083063 | Iustin Pop | |
3403 | a8083063 | Iustin Pop | |
3404 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
3405 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
3406 | a8083063 | Iustin Pop |
|
3407 | a8083063 | Iustin Pop | """
|
3408 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3409 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
3410 | f22a8ba3 | Guido Trotter | |
3411 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
3412 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
3413 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
3414 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3415 | f22a8ba3 | Guido Trotter | |
3416 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
3417 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
3418 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
3419 | a8083063 | Iustin Pop | |
3420 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3421 | a8083063 | Iustin Pop | """Check prerequisites.
|
3422 | a8083063 | Iustin Pop |
|
3423 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3424 | a8083063 | Iustin Pop |
|
3425 | a8083063 | Iustin Pop | """
|
3426 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3427 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
3428 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3429 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
3430 | b4ec07f8 | Iustin Pop | if not hasattr(self.op, "ignore_size"): |
3431 | b4ec07f8 | Iustin Pop | self.op.ignore_size = False |
3432 | a8083063 | Iustin Pop | |
3433 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3434 | a8083063 | Iustin Pop | """Activate the disks.
|
3435 | a8083063 | Iustin Pop |
|
3436 | a8083063 | Iustin Pop | """
|
3437 | b4ec07f8 | Iustin Pop | disks_ok, disks_info = \ |
3438 | b4ec07f8 | Iustin Pop | _AssembleInstanceDisks(self, self.instance, |
3439 | b4ec07f8 | Iustin Pop | ignore_size=self.op.ignore_size)
|
3440 | a8083063 | Iustin Pop | if not disks_ok: |
3441 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
3442 | a8083063 | Iustin Pop | |
3443 | a8083063 | Iustin Pop | return disks_info
|
3444 | a8083063 | Iustin Pop | |
3445 | a8083063 | Iustin Pop | |
3446 | e3443b36 | Iustin Pop | def _AssembleInstanceDisks(lu, instance, ignore_secondaries=False, |
3447 | e3443b36 | Iustin Pop | ignore_size=False):
|
3448 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
3449 | a8083063 | Iustin Pop |
|
3450 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
3451 | a8083063 | Iustin Pop |
|
3452 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
3453 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
3454 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
3455 | e4376078 | Iustin Pop | @param instance: the instance for whose disks we assemble
|
3456 | e4376078 | Iustin Pop | @type ignore_secondaries: boolean
|
3457 | e4376078 | Iustin Pop | @param ignore_secondaries: if true, errors on secondary nodes
|
3458 | e4376078 | Iustin Pop | won't result in an error return from the function
|
3459 | e3443b36 | Iustin Pop | @type ignore_size: boolean
|
3460 | e3443b36 | Iustin Pop | @param ignore_size: if true, the current known size of the disk
|
3461 | e3443b36 | Iustin Pop | will not be used during the disk activation, useful for cases
|
3462 | e3443b36 | Iustin Pop | when the size is wrong
|
3463 | e4376078 | Iustin Pop | @return: False if the operation failed, otherwise a list of
|
3464 | e4376078 | Iustin Pop | (host, instance_visible_name, node_visible_name)
|
3465 | e4376078 | Iustin Pop | with the mapping from node devices to instance devices
|
3466 | a8083063 | Iustin Pop |
|
3467 | a8083063 | Iustin Pop | """
|
3468 | a8083063 | Iustin Pop | device_info = [] |
3469 | a8083063 | Iustin Pop | disks_ok = True
|
3470 | fdbd668d | Iustin Pop | iname = instance.name |
3471 | fdbd668d | Iustin Pop | # With the two passes mechanism we try to reduce the window of
|
3472 | fdbd668d | Iustin Pop | # opportunity for the race condition of switching DRBD to primary
|
3473 | fdbd668d | Iustin Pop | # before handshaking occured, but we do not eliminate it
|
3474 | fdbd668d | Iustin Pop | |
3475 | fdbd668d | Iustin Pop | # The proper fix would be to wait (with some limits) until the
|
3476 | fdbd668d | Iustin Pop | # connection has been made and drbd transitions from WFConnection
|
3477 | fdbd668d | Iustin Pop | # into any other network-connected state (Connected, SyncTarget,
|
3478 | fdbd668d | Iustin Pop | # SyncSource, etc.)
|
3479 | fdbd668d | Iustin Pop | |
3480 | fdbd668d | Iustin Pop | # 1st pass, assemble on all nodes in secondary mode
|
3481 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
3482 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
3483 | e3443b36 | Iustin Pop | if ignore_size:
|
3484 | e3443b36 | Iustin Pop | node_disk = node_disk.Copy() |
3485 | e3443b36 | Iustin Pop | node_disk.UnsetSize() |
3486 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
3487 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, False)
|
3488 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3489 | 53c14ef1 | Iustin Pop | if msg:
|
3490 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not prepare block device %s on node %s"
|
3491 | 53c14ef1 | Iustin Pop | " (is_primary=False, pass=1): %s",
|
3492 | 53c14ef1 | Iustin Pop | inst_disk.iv_name, node, msg) |
3493 | fdbd668d | Iustin Pop | if not ignore_secondaries: |
3494 | a8083063 | Iustin Pop | disks_ok = False
|
3495 | fdbd668d | Iustin Pop | |
3496 | fdbd668d | Iustin Pop | # FIXME: race condition on drbd migration to primary
|
3497 | fdbd668d | Iustin Pop | |
3498 | fdbd668d | Iustin Pop | # 2nd pass, do only the primary node
|
3499 | fdbd668d | Iustin Pop | for inst_disk in instance.disks: |
3500 | d52ea991 | Michael Hanselmann | dev_path = None
|
3501 | d52ea991 | Michael Hanselmann | |
3502 | fdbd668d | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
3503 | fdbd668d | Iustin Pop | if node != instance.primary_node:
|
3504 | fdbd668d | Iustin Pop | continue
|
3505 | e3443b36 | Iustin Pop | if ignore_size:
|
3506 | e3443b36 | Iustin Pop | node_disk = node_disk.Copy() |
3507 | e3443b36 | Iustin Pop | node_disk.UnsetSize() |
3508 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
3509 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, True)
|
3510 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3511 | 53c14ef1 | Iustin Pop | if msg:
|
3512 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not prepare block device %s on node %s"
|
3513 | 53c14ef1 | Iustin Pop | " (is_primary=True, pass=2): %s",
|
3514 | 53c14ef1 | Iustin Pop | inst_disk.iv_name, node, msg) |
3515 | fdbd668d | Iustin Pop | disks_ok = False
|
3516 | d52ea991 | Michael Hanselmann | else:
|
3517 | d52ea991 | Michael Hanselmann | dev_path = result.payload |
3518 | d52ea991 | Michael Hanselmann | |
3519 | d52ea991 | Michael Hanselmann | device_info.append((instance.primary_node, inst_disk.iv_name, dev_path)) |
3520 | a8083063 | Iustin Pop | |
3521 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
3522 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
3523 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
3524 | b352ab5b | Iustin Pop | for disk in instance.disks: |
3525 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, instance.primary_node) |
3526 | b352ab5b | Iustin Pop | |
3527 | a8083063 | Iustin Pop | return disks_ok, device_info
|
3528 | a8083063 | Iustin Pop | |
3529 | a8083063 | Iustin Pop | |
3530 | b9bddb6b | Iustin Pop | def _StartInstanceDisks(lu, instance, force): |
3531 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
3532 | 3ecf6786 | Iustin Pop |
|
3533 | 3ecf6786 | Iustin Pop | """
|
3534 | 7c4d6c7b | Michael Hanselmann | disks_ok, _ = _AssembleInstanceDisks(lu, instance, |
3535 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
3536 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
3537 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
3538 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
3539 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("", hint="If the message above refers to a" |
3540 | 86d9d3bb | Iustin Pop | " secondary node,"
|
3541 | 86d9d3bb | Iustin Pop | " you can retry the operation using '--force'.")
|
3542 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
3543 | fe7b0351 | Michael Hanselmann | |
3544 | fe7b0351 | Michael Hanselmann | |
3545 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
3546 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
3547 | a8083063 | Iustin Pop |
|
3548 | a8083063 | Iustin Pop | """
|
3549 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3550 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
3551 | f22a8ba3 | Guido Trotter | |
3552 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
3553 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
3554 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
3555 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3556 | f22a8ba3 | Guido Trotter | |
3557 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
3558 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
3559 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
3560 | a8083063 | Iustin Pop | |
3561 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3562 | a8083063 | Iustin Pop | """Check prerequisites.
|
3563 | a8083063 | Iustin Pop |
|
3564 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3565 | a8083063 | Iustin Pop |
|
3566 | a8083063 | Iustin Pop | """
|
3567 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3568 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
3569 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3570 | a8083063 | Iustin Pop | |
3571 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3572 | a8083063 | Iustin Pop | """Deactivate the disks
|
3573 | a8083063 | Iustin Pop |
|
3574 | a8083063 | Iustin Pop | """
|
3575 | a8083063 | Iustin Pop | instance = self.instance
|
3576 | b9bddb6b | Iustin Pop | _SafeShutdownInstanceDisks(self, instance)
|
3577 | a8083063 | Iustin Pop | |
3578 | a8083063 | Iustin Pop | |
3579 | b9bddb6b | Iustin Pop | def _SafeShutdownInstanceDisks(lu, instance): |
3580 | 155d6c75 | Guido Trotter | """Shutdown block devices of an instance.
|
3581 | 155d6c75 | Guido Trotter |
|
3582 | 155d6c75 | Guido Trotter | This function checks if an instance is running, before calling
|
3583 | 155d6c75 | Guido Trotter | _ShutdownInstanceDisks.
|
3584 | 155d6c75 | Guido Trotter |
|
3585 | 155d6c75 | Guido Trotter | """
|
3586 | aca13712 | Iustin Pop | pnode = instance.primary_node |
3587 | 4c4e4e1e | Iustin Pop | ins_l = lu.rpc.call_instance_list([pnode], [instance.hypervisor])[pnode] |
3588 | 4c4e4e1e | Iustin Pop | ins_l.Raise("Can't contact node %s" % pnode)
|
3589 | aca13712 | Iustin Pop | |
3590 | aca13712 | Iustin Pop | if instance.name in ins_l.payload: |
3591 | 155d6c75 | Guido Trotter | raise errors.OpExecError("Instance is running, can't shutdown" |
3592 | 155d6c75 | Guido Trotter | " block devices.")
|
3593 | 155d6c75 | Guido Trotter | |
3594 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
3595 | a8083063 | Iustin Pop | |
3596 | a8083063 | Iustin Pop | |
3597 | b9bddb6b | Iustin Pop | def _ShutdownInstanceDisks(lu, instance, ignore_primary=False): |
3598 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
3599 | a8083063 | Iustin Pop |
|
3600 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
3601 | a8083063 | Iustin Pop |
|
3602 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
3603 | a8083063 | Iustin Pop | ignored.
|
3604 | a8083063 | Iustin Pop |
|
3605 | a8083063 | Iustin Pop | """
|
3606 | cacfd1fd | Iustin Pop | all_result = True
|
3607 | a8083063 | Iustin Pop | for disk in instance.disks: |
3608 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
3609 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(top_disk, node) |
3610 | 781de953 | Iustin Pop | result = lu.rpc.call_blockdev_shutdown(node, top_disk) |
3611 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3612 | cacfd1fd | Iustin Pop | if msg:
|
3613 | cacfd1fd | Iustin Pop | lu.LogWarning("Could not shutdown block device %s on node %s: %s",
|
3614 | cacfd1fd | Iustin Pop | disk.iv_name, node, msg) |
3615 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
3616 | cacfd1fd | Iustin Pop | all_result = False
|
3617 | cacfd1fd | Iustin Pop | return all_result
|
3618 | a8083063 | Iustin Pop | |
3619 | a8083063 | Iustin Pop | |
3620 | 9ca87a96 | Iustin Pop | def _CheckNodeFreeMemory(lu, node, reason, requested, hypervisor_name): |
3621 | d4f16fd9 | Iustin Pop | """Checks if a node has enough free memory.
|
3622 | d4f16fd9 | Iustin Pop |
|
3623 | d4f16fd9 | Iustin Pop | This function check if a given node has the needed amount of free
|
3624 | d4f16fd9 | Iustin Pop | memory. In case the node has less memory or we cannot get the
|
3625 | d4f16fd9 | Iustin Pop | information from the node, this function raise an OpPrereqError
|
3626 | d4f16fd9 | Iustin Pop | exception.
|
3627 | d4f16fd9 | Iustin Pop |
|
3628 | b9bddb6b | Iustin Pop | @type lu: C{LogicalUnit}
|
3629 | b9bddb6b | Iustin Pop | @param lu: a logical unit from which we get configuration data
|
3630 | e69d05fd | Iustin Pop | @type node: C{str}
|
3631 | e69d05fd | Iustin Pop | @param node: the node to check
|
3632 | e69d05fd | Iustin Pop | @type reason: C{str}
|
3633 | e69d05fd | Iustin Pop | @param reason: string to use in the error message
|
3634 | e69d05fd | Iustin Pop | @type requested: C{int}
|
3635 | e69d05fd | Iustin Pop | @param requested: the amount of memory in MiB to check for
|
3636 | 9ca87a96 | Iustin Pop | @type hypervisor_name: C{str}
|
3637 | 9ca87a96 | Iustin Pop | @param hypervisor_name: the hypervisor to ask for memory stats
|
3638 | e69d05fd | Iustin Pop | @raise errors.OpPrereqError: if the node doesn't have enough memory, or
|
3639 | e69d05fd | Iustin Pop | we cannot check the node
|
3640 | d4f16fd9 | Iustin Pop |
|
3641 | d4f16fd9 | Iustin Pop | """
|
3642 | 9ca87a96 | Iustin Pop | nodeinfo = lu.rpc.call_node_info([node], lu.cfg.GetVGName(), hypervisor_name) |
3643 | 045dd6d9 | Iustin Pop | nodeinfo[node].Raise("Can't get data from node %s" % node,
|
3644 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_ENVIRON)
|
3645 | 070e998b | Iustin Pop | free_mem = nodeinfo[node].payload.get('memory_free', None) |
3646 | d4f16fd9 | Iustin Pop | if not isinstance(free_mem, int): |
3647 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Can't compute free memory on node %s, result" |
3648 | 5c983ee5 | Iustin Pop | " was '%s'" % (node, free_mem),
|
3649 | 5c983ee5 | Iustin Pop | errors.ECODE_ENVIRON) |
3650 | d4f16fd9 | Iustin Pop | if requested > free_mem:
|
3651 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on node %s for %s:" |
3652 | 070e998b | Iustin Pop | " needed %s MiB, available %s MiB" %
|
3653 | 5c983ee5 | Iustin Pop | (node, reason, requested, free_mem), |
3654 | 5c983ee5 | Iustin Pop | errors.ECODE_NORES) |
3655 | d4f16fd9 | Iustin Pop | |
3656 | d4f16fd9 | Iustin Pop | |
3657 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
3658 | a8083063 | Iustin Pop | """Starts an instance.
|
3659 | a8083063 | Iustin Pop |
|
3660 | a8083063 | Iustin Pop | """
|
3661 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
3662 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3663 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
3664 | e873317a | Guido Trotter | REQ_BGL = False
|
3665 | e873317a | Guido Trotter | |
3666 | e873317a | Guido Trotter | def ExpandNames(self): |
3667 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
3668 | a8083063 | Iustin Pop | |
3669 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3670 | a8083063 | Iustin Pop | """Build hooks env.
|
3671 | a8083063 | Iustin Pop |
|
3672 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3673 | a8083063 | Iustin Pop |
|
3674 | a8083063 | Iustin Pop | """
|
3675 | a8083063 | Iustin Pop | env = { |
3676 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
3677 | a8083063 | Iustin Pop | } |
3678 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
3679 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3680 | a8083063 | Iustin Pop | return env, nl, nl
|
3681 | a8083063 | Iustin Pop | |
3682 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3683 | a8083063 | Iustin Pop | """Check prerequisites.
|
3684 | a8083063 | Iustin Pop |
|
3685 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3686 | a8083063 | Iustin Pop |
|
3687 | a8083063 | Iustin Pop | """
|
3688 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3689 | e873317a | Guido Trotter | assert self.instance is not None, \ |
3690 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3691 | a8083063 | Iustin Pop | |
3692 | d04aaa2f | Iustin Pop | # extra beparams
|
3693 | d04aaa2f | Iustin Pop | self.beparams = getattr(self.op, "beparams", {}) |
3694 | d04aaa2f | Iustin Pop | if self.beparams: |
3695 | d04aaa2f | Iustin Pop | if not isinstance(self.beparams, dict): |
3696 | d04aaa2f | Iustin Pop | raise errors.OpPrereqError("Invalid beparams passed: %s, expected" |
3697 | 5c983ee5 | Iustin Pop | " dict" % (type(self.beparams), ), |
3698 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3699 | d04aaa2f | Iustin Pop | # fill the beparams dict
|
3700 | d04aaa2f | Iustin Pop | utils.ForceDictType(self.beparams, constants.BES_PARAMETER_TYPES)
|
3701 | d04aaa2f | Iustin Pop | self.op.beparams = self.beparams |
3702 | d04aaa2f | Iustin Pop | |
3703 | d04aaa2f | Iustin Pop | # extra hvparams
|
3704 | d04aaa2f | Iustin Pop | self.hvparams = getattr(self.op, "hvparams", {}) |
3705 | d04aaa2f | Iustin Pop | if self.hvparams: |
3706 | d04aaa2f | Iustin Pop | if not isinstance(self.hvparams, dict): |
3707 | d04aaa2f | Iustin Pop | raise errors.OpPrereqError("Invalid hvparams passed: %s, expected" |
3708 | 5c983ee5 | Iustin Pop | " dict" % (type(self.hvparams), ), |
3709 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3710 | d04aaa2f | Iustin Pop | |
3711 | d04aaa2f | Iustin Pop | # check hypervisor parameter syntax (locally)
|
3712 | d04aaa2f | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
3713 | d04aaa2f | Iustin Pop | utils.ForceDictType(self.hvparams, constants.HVS_PARAMETER_TYPES)
|
3714 | abe609b2 | Guido Trotter | filled_hvp = objects.FillDict(cluster.hvparams[instance.hypervisor], |
3715 | d04aaa2f | Iustin Pop | instance.hvparams) |
3716 | d04aaa2f | Iustin Pop | filled_hvp.update(self.hvparams)
|
3717 | d04aaa2f | Iustin Pop | hv_type = hypervisor.GetHypervisor(instance.hypervisor) |
3718 | d04aaa2f | Iustin Pop | hv_type.CheckParameterSyntax(filled_hvp) |
3719 | d04aaa2f | Iustin Pop | _CheckHVParams(self, instance.all_nodes, instance.hypervisor, filled_hvp)
|
3720 | d04aaa2f | Iustin Pop | self.op.hvparams = self.hvparams |
3721 | d04aaa2f | Iustin Pop | |
3722 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
3723 | 7527a8a4 | Iustin Pop | |
3724 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
3725 | 5bbd3f7f | Michael Hanselmann | # check bridges existence
|
3726 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
3727 | a8083063 | Iustin Pop | |
3728 | f1926756 | Guido Trotter | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
3729 | f1926756 | Guido Trotter | instance.name, |
3730 | f1926756 | Guido Trotter | instance.hypervisor) |
3731 | 4c4e4e1e | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node,
|
3732 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_ENVIRON)
|
3733 | 7ad1af4a | Iustin Pop | if not remote_info.payload: # not running already |
3734 | f1926756 | Guido Trotter | _CheckNodeFreeMemory(self, instance.primary_node,
|
3735 | f1926756 | Guido Trotter | "starting instance %s" % instance.name,
|
3736 | f1926756 | Guido Trotter | bep[constants.BE_MEMORY], instance.hypervisor) |
3737 | d4f16fd9 | Iustin Pop | |
3738 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3739 | a8083063 | Iustin Pop | """Start the instance.
|
3740 | a8083063 | Iustin Pop |
|
3741 | a8083063 | Iustin Pop | """
|
3742 | a8083063 | Iustin Pop | instance = self.instance
|
3743 | a8083063 | Iustin Pop | force = self.op.force
|
3744 | a8083063 | Iustin Pop | |
3745 | fe482621 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
3746 | fe482621 | Iustin Pop | |
3747 | a8083063 | Iustin Pop | node_current = instance.primary_node |
3748 | a8083063 | Iustin Pop | |
3749 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, force)
|
3750 | a8083063 | Iustin Pop | |
3751 | d04aaa2f | Iustin Pop | result = self.rpc.call_instance_start(node_current, instance,
|
3752 | d04aaa2f | Iustin Pop | self.hvparams, self.beparams) |
3753 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3754 | dd279568 | Iustin Pop | if msg:
|
3755 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3756 | dd279568 | Iustin Pop | raise errors.OpExecError("Could not start instance: %s" % msg) |
3757 | a8083063 | Iustin Pop | |
3758 | a8083063 | Iustin Pop | |
3759 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
3760 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
3761 | bf6929a2 | Alexander Schreiber |
|
3762 | bf6929a2 | Alexander Schreiber | """
|
3763 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
3764 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
3765 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
3766 | e873317a | Guido Trotter | REQ_BGL = False
|
3767 | e873317a | Guido Trotter | |
3768 | 17c3f802 | Guido Trotter | def CheckArguments(self): |
3769 | 17c3f802 | Guido Trotter | """Check the arguments.
|
3770 | 17c3f802 | Guido Trotter |
|
3771 | 17c3f802 | Guido Trotter | """
|
3772 | 17c3f802 | Guido Trotter | self.shutdown_timeout = getattr(self.op, "shutdown_timeout", |
3773 | 17c3f802 | Guido Trotter | constants.DEFAULT_SHUTDOWN_TIMEOUT) |
3774 | 17c3f802 | Guido Trotter | |
3775 | e873317a | Guido Trotter | def ExpandNames(self): |
3776 | 0fcc5db3 | Guido Trotter | if self.op.reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
3777 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
3778 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL]: |
3779 | 0fcc5db3 | Guido Trotter | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
3780 | 0fcc5db3 | Guido Trotter | (constants.INSTANCE_REBOOT_SOFT, |
3781 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
3782 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL)) |
3783 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
3784 | bf6929a2 | Alexander Schreiber | |
3785 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
3786 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
3787 | bf6929a2 | Alexander Schreiber |
|
3788 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
3789 | bf6929a2 | Alexander Schreiber |
|
3790 | bf6929a2 | Alexander Schreiber | """
|
3791 | bf6929a2 | Alexander Schreiber | env = { |
3792 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
3793 | 2c2690c9 | Iustin Pop | "REBOOT_TYPE": self.op.reboot_type, |
3794 | 17c3f802 | Guido Trotter | "SHUTDOWN_TIMEOUT": self.shutdown_timeout, |
3795 | bf6929a2 | Alexander Schreiber | } |
3796 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
3797 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3798 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
3799 | bf6929a2 | Alexander Schreiber | |
3800 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
3801 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
3802 | bf6929a2 | Alexander Schreiber |
|
3803 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
3804 | bf6929a2 | Alexander Schreiber |
|
3805 | bf6929a2 | Alexander Schreiber | """
|
3806 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3807 | e873317a | Guido Trotter | assert self.instance is not None, \ |
3808 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3809 | bf6929a2 | Alexander Schreiber | |
3810 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
3811 | 7527a8a4 | Iustin Pop | |
3812 | 5bbd3f7f | Michael Hanselmann | # check bridges existence
|
3813 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
3814 | bf6929a2 | Alexander Schreiber | |
3815 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
3816 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
3817 | bf6929a2 | Alexander Schreiber |
|
3818 | bf6929a2 | Alexander Schreiber | """
|
3819 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
3820 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
3821 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
3822 | bf6929a2 | Alexander Schreiber | |
3823 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
3824 | bf6929a2 | Alexander Schreiber | |
3825 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
3826 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
3827 | ae48ac32 | Iustin Pop | for disk in instance.disks: |
3828 | ae48ac32 | Iustin Pop | self.cfg.SetDiskID(disk, node_current)
|
3829 | 781de953 | Iustin Pop | result = self.rpc.call_instance_reboot(node_current, instance,
|
3830 | 17c3f802 | Guido Trotter | reboot_type, |
3831 | 17c3f802 | Guido Trotter | self.shutdown_timeout)
|
3832 | 4c4e4e1e | Iustin Pop | result.Raise("Could not reboot instance")
|
3833 | bf6929a2 | Alexander Schreiber | else:
|
3834 | 17c3f802 | Guido Trotter | result = self.rpc.call_instance_shutdown(node_current, instance,
|
3835 | 17c3f802 | Guido Trotter | self.shutdown_timeout)
|
3836 | 4c4e4e1e | Iustin Pop | result.Raise("Could not shutdown instance for full reboot")
|
3837 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3838 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, ignore_secondaries)
|
3839 | 0eca8e0c | Iustin Pop | result = self.rpc.call_instance_start(node_current, instance, None, None) |
3840 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3841 | dd279568 | Iustin Pop | if msg:
|
3842 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3843 | dd279568 | Iustin Pop | raise errors.OpExecError("Could not start instance for" |
3844 | dd279568 | Iustin Pop | " full reboot: %s" % msg)
|
3845 | bf6929a2 | Alexander Schreiber | |
3846 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
3847 | bf6929a2 | Alexander Schreiber | |
3848 | bf6929a2 | Alexander Schreiber | |
3849 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
3850 | a8083063 | Iustin Pop | """Shutdown an instance.
|
3851 | a8083063 | Iustin Pop |
|
3852 | a8083063 | Iustin Pop | """
|
3853 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
3854 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3855 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3856 | e873317a | Guido Trotter | REQ_BGL = False
|
3857 | e873317a | Guido Trotter | |
3858 | 6263189c | Guido Trotter | def CheckArguments(self): |
3859 | 6263189c | Guido Trotter | """Check the arguments.
|
3860 | 6263189c | Guido Trotter |
|
3861 | 6263189c | Guido Trotter | """
|
3862 | 6263189c | Guido Trotter | self.timeout = getattr(self.op, "timeout", |
3863 | 6263189c | Guido Trotter | constants.DEFAULT_SHUTDOWN_TIMEOUT) |
3864 | 6263189c | Guido Trotter | |
3865 | e873317a | Guido Trotter | def ExpandNames(self): |
3866 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
3867 | a8083063 | Iustin Pop | |
3868 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3869 | a8083063 | Iustin Pop | """Build hooks env.
|
3870 | a8083063 | Iustin Pop |
|
3871 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3872 | a8083063 | Iustin Pop |
|
3873 | a8083063 | Iustin Pop | """
|
3874 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
3875 | 6263189c | Guido Trotter | env["TIMEOUT"] = self.timeout |
3876 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3877 | a8083063 | Iustin Pop | return env, nl, nl
|
3878 | a8083063 | Iustin Pop | |
3879 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3880 | a8083063 | Iustin Pop | """Check prerequisites.
|
3881 | a8083063 | Iustin Pop |
|
3882 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3883 | a8083063 | Iustin Pop |
|
3884 | a8083063 | Iustin Pop | """
|
3885 | e873317a | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3886 | e873317a | Guido Trotter | assert self.instance is not None, \ |
3887 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3888 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
3889 | a8083063 | Iustin Pop | |
3890 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3891 | a8083063 | Iustin Pop | """Shutdown the instance.
|
3892 | a8083063 | Iustin Pop |
|
3893 | a8083063 | Iustin Pop | """
|
3894 | a8083063 | Iustin Pop | instance = self.instance
|
3895 | a8083063 | Iustin Pop | node_current = instance.primary_node |
3896 | 6263189c | Guido Trotter | timeout = self.timeout
|
3897 | fe482621 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
3898 | 6263189c | Guido Trotter | result = self.rpc.call_instance_shutdown(node_current, instance, timeout)
|
3899 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3900 | 1fae010f | Iustin Pop | if msg:
|
3901 | 1fae010f | Iustin Pop | self.proc.LogWarning("Could not shutdown instance: %s" % msg) |
3902 | a8083063 | Iustin Pop | |
3903 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3904 | a8083063 | Iustin Pop | |
3905 | a8083063 | Iustin Pop | |
3906 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
3907 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
3908 | fe7b0351 | Michael Hanselmann |
|
3909 | fe7b0351 | Michael Hanselmann | """
|
3910 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
3911 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
3912 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
3913 | 4e0b4d2d | Guido Trotter | REQ_BGL = False
|
3914 | 4e0b4d2d | Guido Trotter | |
3915 | 4e0b4d2d | Guido Trotter | def ExpandNames(self): |
3916 | 4e0b4d2d | Guido Trotter | self._ExpandAndLockInstance()
|
3917 | fe7b0351 | Michael Hanselmann | |
3918 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
3919 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
3920 | fe7b0351 | Michael Hanselmann |
|
3921 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
3922 | fe7b0351 | Michael Hanselmann |
|
3923 | fe7b0351 | Michael Hanselmann | """
|
3924 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
3925 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3926 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
3927 | fe7b0351 | Michael Hanselmann | |
3928 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
3929 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
3930 | fe7b0351 | Michael Hanselmann |
|
3931 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
3932 | fe7b0351 | Michael Hanselmann |
|
3933 | fe7b0351 | Michael Hanselmann | """
|
3934 | 4e0b4d2d | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3935 | 4e0b4d2d | Guido Trotter | assert instance is not None, \ |
3936 | 4e0b4d2d | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3937 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
3938 | 4e0b4d2d | Guido Trotter | |
3939 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
3940 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
3941 | 5c983ee5 | Iustin Pop | self.op.instance_name,
|
3942 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
3943 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
3944 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
3945 | 5c983ee5 | Iustin Pop | self.op.instance_name,
|
3946 | 5c983ee5 | Iustin Pop | errors.ECODE_STATE) |
3947 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
3948 | 72737a7f | Iustin Pop | instance.name, |
3949 | 72737a7f | Iustin Pop | instance.hypervisor) |
3950 | 4c4e4e1e | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node,
|
3951 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_ENVIRON)
|
3952 | 7ad1af4a | Iustin Pop | if remote_info.payload:
|
3953 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
3954 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
3955 | 5c983ee5 | Iustin Pop | instance.primary_node), |
3956 | 5c983ee5 | Iustin Pop | errors.ECODE_STATE) |
3957 | d0834de3 | Michael Hanselmann | |
3958 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
3959 | f2c05717 | Guido Trotter | self.op.force_variant = getattr(self.op, "force_variant", False) |
3960 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
3961 | d0834de3 | Michael Hanselmann | # OS verification
|
3962 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
3963 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
3964 | d0834de3 | Michael Hanselmann | if pnode is None: |
3965 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
3966 | 5c983ee5 | Iustin Pop | self.op.pnode, errors.ECODE_NOENT)
|
3967 | 781de953 | Iustin Pop | result = self.rpc.call_os_get(pnode.name, self.op.os_type) |
3968 | 4c4e4e1e | Iustin Pop | result.Raise("OS '%s' not in supported OS list for primary node %s" %
|
3969 | 045dd6d9 | Iustin Pop | (self.op.os_type, pnode.name),
|
3970 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_INVAL)
|
3971 | f2c05717 | Guido Trotter | if not self.op.force_variant: |
3972 | f2c05717 | Guido Trotter | _CheckOSVariant(result.payload, self.op.os_type)
|
3973 | d0834de3 | Michael Hanselmann | |
3974 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
3975 | fe7b0351 | Michael Hanselmann | |
3976 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
3977 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
3978 | fe7b0351 | Michael Hanselmann |
|
3979 | fe7b0351 | Michael Hanselmann | """
|
3980 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
3981 | fe7b0351 | Michael Hanselmann | |
3982 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
3983 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
3984 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
3985 | a4eae71f | Michael Hanselmann | self.cfg.Update(inst, feedback_fn)
|
3986 | d0834de3 | Michael Hanselmann | |
3987 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
3988 | fe7b0351 | Michael Hanselmann | try:
|
3989 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
3990 | e557bae9 | Guido Trotter | result = self.rpc.call_instance_os_add(inst.primary_node, inst, True) |
3991 | 4c4e4e1e | Iustin Pop | result.Raise("Could not install OS for instance %s on node %s" %
|
3992 | 4c4e4e1e | Iustin Pop | (inst.name, inst.primary_node)) |
3993 | fe7b0351 | Michael Hanselmann | finally:
|
3994 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
3995 | fe7b0351 | Michael Hanselmann | |
3996 | fe7b0351 | Michael Hanselmann | |
3997 | bd315bfa | Iustin Pop | class LURecreateInstanceDisks(LogicalUnit): |
3998 | bd315bfa | Iustin Pop | """Recreate an instance's missing disks.
|
3999 | bd315bfa | Iustin Pop |
|
4000 | bd315bfa | Iustin Pop | """
|
4001 | bd315bfa | Iustin Pop | HPATH = "instance-recreate-disks"
|
4002 | bd315bfa | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4003 | bd315bfa | Iustin Pop | _OP_REQP = ["instance_name", "disks"] |
4004 | bd315bfa | Iustin Pop | REQ_BGL = False
|
4005 | bd315bfa | Iustin Pop | |
4006 | bd315bfa | Iustin Pop | def CheckArguments(self): |
4007 | bd315bfa | Iustin Pop | """Check the arguments.
|
4008 | bd315bfa | Iustin Pop |
|
4009 | bd315bfa | Iustin Pop | """
|
4010 | bd315bfa | Iustin Pop | if not isinstance(self.op.disks, list): |
4011 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid disks parameter", errors.ECODE_INVAL) |
4012 | bd315bfa | Iustin Pop | for item in self.op.disks: |
4013 | bd315bfa | Iustin Pop | if (not isinstance(item, int) or |
4014 | bd315bfa | Iustin Pop | item < 0):
|
4015 | bd315bfa | Iustin Pop | raise errors.OpPrereqError("Invalid disk specification '%s'" % |
4016 | 5c983ee5 | Iustin Pop | str(item), errors.ECODE_INVAL)
|
4017 | bd315bfa | Iustin Pop | |
4018 | bd315bfa | Iustin Pop | def ExpandNames(self): |
4019 | bd315bfa | Iustin Pop | self._ExpandAndLockInstance()
|
4020 | bd315bfa | Iustin Pop | |
4021 | bd315bfa | Iustin Pop | def BuildHooksEnv(self): |
4022 | bd315bfa | Iustin Pop | """Build hooks env.
|
4023 | bd315bfa | Iustin Pop |
|
4024 | bd315bfa | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
4025 | bd315bfa | Iustin Pop |
|
4026 | bd315bfa | Iustin Pop | """
|
4027 | bd315bfa | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
4028 | bd315bfa | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
4029 | bd315bfa | Iustin Pop | return env, nl, nl
|
4030 | bd315bfa | Iustin Pop | |
4031 | bd315bfa | Iustin Pop | def CheckPrereq(self): |
4032 | bd315bfa | Iustin Pop | """Check prerequisites.
|
4033 | bd315bfa | Iustin Pop |
|
4034 | bd315bfa | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
4035 | bd315bfa | Iustin Pop |
|
4036 | bd315bfa | Iustin Pop | """
|
4037 | bd315bfa | Iustin Pop | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4038 | bd315bfa | Iustin Pop | assert instance is not None, \ |
4039 | bd315bfa | Iustin Pop | "Cannot retrieve locked instance %s" % self.op.instance_name |
4040 | bd315bfa | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
4041 | bd315bfa | Iustin Pop | |
4042 | bd315bfa | Iustin Pop | if instance.disk_template == constants.DT_DISKLESS:
|
4043 | bd315bfa | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
4044 | 5c983ee5 | Iustin Pop | self.op.instance_name, errors.ECODE_INVAL)
|
4045 | bd315bfa | Iustin Pop | if instance.admin_up:
|
4046 | bd315bfa | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
4047 | 5c983ee5 | Iustin Pop | self.op.instance_name, errors.ECODE_STATE)
|
4048 | bd315bfa | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
4049 | bd315bfa | Iustin Pop | instance.name, |
4050 | bd315bfa | Iustin Pop | instance.hypervisor) |
4051 | bd315bfa | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node,
|
4052 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_ENVIRON)
|
4053 | bd315bfa | Iustin Pop | if remote_info.payload:
|
4054 | bd315bfa | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
4055 | bd315bfa | Iustin Pop | (self.op.instance_name,
|
4056 | 5c983ee5 | Iustin Pop | instance.primary_node), errors.ECODE_STATE) |
4057 | bd315bfa | Iustin Pop | |
4058 | bd315bfa | Iustin Pop | if not self.op.disks: |
4059 | bd315bfa | Iustin Pop | self.op.disks = range(len(instance.disks)) |
4060 | bd315bfa | Iustin Pop | else:
|
4061 | bd315bfa | Iustin Pop | for idx in self.op.disks: |
4062 | bd315bfa | Iustin Pop | if idx >= len(instance.disks): |
4063 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index passed '%s'" % idx, |
4064 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
4065 | bd315bfa | Iustin Pop | |
4066 | bd315bfa | Iustin Pop | self.instance = instance
|
4067 | bd315bfa | Iustin Pop | |
4068 | bd315bfa | Iustin Pop | def Exec(self, feedback_fn): |
4069 | bd315bfa | Iustin Pop | """Recreate the disks.
|
4070 | bd315bfa | Iustin Pop |
|
4071 | bd315bfa | Iustin Pop | """
|
4072 | bd315bfa | Iustin Pop | to_skip = [] |
4073 | 1122eb25 | Iustin Pop | for idx, _ in enumerate(self.instance.disks): |
4074 | bd315bfa | Iustin Pop | if idx not in self.op.disks: # disk idx has not been passed in |
4075 | bd315bfa | Iustin Pop | to_skip.append(idx) |
4076 | bd315bfa | Iustin Pop | continue
|
4077 | bd315bfa | Iustin Pop | |
4078 | bd315bfa | Iustin Pop | _CreateDisks(self, self.instance, to_skip=to_skip) |
4079 | bd315bfa | Iustin Pop | |
4080 | bd315bfa | Iustin Pop | |
4081 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
4082 | decd5f45 | Iustin Pop | """Rename an instance.
|
4083 | decd5f45 | Iustin Pop |
|
4084 | decd5f45 | Iustin Pop | """
|
4085 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
4086 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4087 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
4088 | decd5f45 | Iustin Pop | |
4089 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
4090 | decd5f45 | Iustin Pop | """Build hooks env.
|
4091 | decd5f45 | Iustin Pop |
|
4092 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
4093 | decd5f45 | Iustin Pop |
|
4094 | decd5f45 | Iustin Pop | """
|
4095 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
4096 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
4097 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
4098 | decd5f45 | Iustin Pop | return env, nl, nl
|
4099 | decd5f45 | Iustin Pop | |
4100 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
4101 | decd5f45 | Iustin Pop | """Check prerequisites.
|
4102 | decd5f45 | Iustin Pop |
|
4103 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
4104 | decd5f45 | Iustin Pop |
|
4105 | decd5f45 | Iustin Pop | """
|
4106 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
4107 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
4108 | decd5f45 | Iustin Pop | if instance is None: |
4109 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
4110 | 5c983ee5 | Iustin Pop | self.op.instance_name, errors.ECODE_NOENT)
|
4111 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
4112 | 7527a8a4 | Iustin Pop | |
4113 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
4114 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
4115 | 5c983ee5 | Iustin Pop | self.op.instance_name, errors.ECODE_STATE)
|
4116 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
4117 | 72737a7f | Iustin Pop | instance.name, |
4118 | 72737a7f | Iustin Pop | instance.hypervisor) |
4119 | 4c4e4e1e | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node,
|
4120 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_ENVIRON)
|
4121 | 7ad1af4a | Iustin Pop | if remote_info.payload:
|
4122 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
4123 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
4124 | 5c983ee5 | Iustin Pop | instance.primary_node), errors.ECODE_STATE) |
4125 | decd5f45 | Iustin Pop | self.instance = instance
|
4126 | decd5f45 | Iustin Pop | |
4127 | decd5f45 | Iustin Pop | # new name verification
|
4128 | 104f4ca1 | Iustin Pop | name_info = utils.GetHostInfo(self.op.new_name)
|
4129 | decd5f45 | Iustin Pop | |
4130 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
4131 | 7bde3275 | Guido Trotter | instance_list = self.cfg.GetInstanceList()
|
4132 | 7bde3275 | Guido Trotter | if new_name in instance_list: |
4133 | 7bde3275 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
4134 | 5c983ee5 | Iustin Pop | new_name, errors.ECODE_EXISTS) |
4135 | 7bde3275 | Guido Trotter | |
4136 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
4137 | 937f983d | Guido Trotter | if utils.TcpPing(name_info.ip, constants.DEFAULT_NODED_PORT):
|
4138 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
4139 | 5c983ee5 | Iustin Pop | (name_info.ip, new_name), |
4140 | 5c983ee5 | Iustin Pop | errors.ECODE_NOTUNIQUE) |
4141 | decd5f45 | Iustin Pop | |
4142 | decd5f45 | Iustin Pop | |
4143 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
4144 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
4145 | decd5f45 | Iustin Pop |
|
4146 | decd5f45 | Iustin Pop | """
|
4147 | decd5f45 | Iustin Pop | inst = self.instance
|
4148 | decd5f45 | Iustin Pop | old_name = inst.name |
4149 | decd5f45 | Iustin Pop | |
4150 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
4151 | b23c4333 | Manuel Franceschini | old_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
4152 | b23c4333 | Manuel Franceschini | |
4153 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
4154 | 74b5913f | Guido Trotter | # Change the instance lock. This is definitely safe while we hold the BGL
|
4155 | cb4e8387 | Iustin Pop | self.context.glm.remove(locking.LEVEL_INSTANCE, old_name)
|
4156 | 74b5913f | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, self.op.new_name) |
4157 | decd5f45 | Iustin Pop | |
4158 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
4159 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
4160 | decd5f45 | Iustin Pop | |
4161 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
4162 | b23c4333 | Manuel Franceschini | new_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
4163 | 72737a7f | Iustin Pop | result = self.rpc.call_file_storage_dir_rename(inst.primary_node,
|
4164 | 72737a7f | Iustin Pop | old_file_storage_dir, |
4165 | 72737a7f | Iustin Pop | new_file_storage_dir) |
4166 | 4c4e4e1e | Iustin Pop | result.Raise("Could not rename on node %s directory '%s' to '%s'"
|
4167 | 4c4e4e1e | Iustin Pop | " (but the instance has been renamed in Ganeti)" %
|
4168 | 4c4e4e1e | Iustin Pop | (inst.primary_node, old_file_storage_dir, |
4169 | 4c4e4e1e | Iustin Pop | new_file_storage_dir)) |
4170 | b23c4333 | Manuel Franceschini | |
4171 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
4172 | decd5f45 | Iustin Pop | try:
|
4173 | 781de953 | Iustin Pop | result = self.rpc.call_instance_run_rename(inst.primary_node, inst,
|
4174 | 781de953 | Iustin Pop | old_name) |
4175 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4176 | 96841384 | Iustin Pop | if msg:
|
4177 | 6291574d | Alexander Schreiber | msg = ("Could not run OS rename script for instance %s on node %s"
|
4178 | 96841384 | Iustin Pop | " (but the instance has been renamed in Ganeti): %s" %
|
4179 | 96841384 | Iustin Pop | (inst.name, inst.primary_node, msg)) |
4180 | 86d9d3bb | Iustin Pop | self.proc.LogWarning(msg)
|
4181 | decd5f45 | Iustin Pop | finally:
|
4182 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
4183 | decd5f45 | Iustin Pop | |
4184 | decd5f45 | Iustin Pop | |
4185 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
4186 | a8083063 | Iustin Pop | """Remove an instance.
|
4187 | a8083063 | Iustin Pop |
|
4188 | a8083063 | Iustin Pop | """
|
4189 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
4190 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4191 | 5c54b832 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_failures"] |
4192 | cf472233 | Guido Trotter | REQ_BGL = False
|
4193 | cf472233 | Guido Trotter | |
4194 | 17c3f802 | Guido Trotter | def CheckArguments(self): |
4195 | 17c3f802 | Guido Trotter | """Check the arguments.
|
4196 | 17c3f802 | Guido Trotter |
|
4197 | 17c3f802 | Guido Trotter | """
|
4198 | 17c3f802 | Guido Trotter | self.shutdown_timeout = getattr(self.op, "shutdown_timeout", |
4199 | 17c3f802 | Guido Trotter | constants.DEFAULT_SHUTDOWN_TIMEOUT) |
4200 | 17c3f802 | Guido Trotter | |
4201 | cf472233 | Guido Trotter | def ExpandNames(self): |
4202 | cf472233 | Guido Trotter | self._ExpandAndLockInstance()
|
4203 | cf472233 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
4204 | cf472233 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4205 | cf472233 | Guido Trotter | |
4206 | cf472233 | Guido Trotter | def DeclareLocks(self, level): |
4207 | cf472233 | Guido Trotter | if level == locking.LEVEL_NODE:
|
4208 | cf472233 | Guido Trotter | self._LockInstancesNodes()
|
4209 | a8083063 | Iustin Pop | |
4210 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4211 | a8083063 | Iustin Pop | """Build hooks env.
|
4212 | a8083063 | Iustin Pop |
|
4213 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
4214 | a8083063 | Iustin Pop |
|
4215 | a8083063 | Iustin Pop | """
|
4216 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
4217 | 17c3f802 | Guido Trotter | env["SHUTDOWN_TIMEOUT"] = self.shutdown_timeout |
4218 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()]
|
4219 | a8083063 | Iustin Pop | return env, nl, nl
|
4220 | a8083063 | Iustin Pop | |
4221 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4222 | a8083063 | Iustin Pop | """Check prerequisites.
|
4223 | a8083063 | Iustin Pop |
|
4224 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
4225 | a8083063 | Iustin Pop |
|
4226 | a8083063 | Iustin Pop | """
|
4227 | cf472233 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4228 | cf472233 | Guido Trotter | assert self.instance is not None, \ |
4229 | cf472233 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4230 | a8083063 | Iustin Pop | |
4231 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4232 | a8083063 | Iustin Pop | """Remove the instance.
|
4233 | a8083063 | Iustin Pop |
|
4234 | a8083063 | Iustin Pop | """
|
4235 | a8083063 | Iustin Pop | instance = self.instance
|
4236 | 9a4f63d1 | Iustin Pop | logging.info("Shutting down instance %s on node %s",
|
4237 | 9a4f63d1 | Iustin Pop | instance.name, instance.primary_node) |
4238 | a8083063 | Iustin Pop | |
4239 | 17c3f802 | Guido Trotter | result = self.rpc.call_instance_shutdown(instance.primary_node, instance,
|
4240 | 17c3f802 | Guido Trotter | self.shutdown_timeout)
|
4241 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4242 | 1fae010f | Iustin Pop | if msg:
|
4243 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
4244 | 1fae010f | Iustin Pop | feedback_fn("Warning: can't shutdown instance: %s" % msg)
|
4245 | 1d67656e | Iustin Pop | else:
|
4246 | 1fae010f | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on" |
4247 | 1fae010f | Iustin Pop | " node %s: %s" %
|
4248 | 1fae010f | Iustin Pop | (instance.name, instance.primary_node, msg)) |
4249 | a8083063 | Iustin Pop | |
4250 | 9a4f63d1 | Iustin Pop | logging.info("Removing block devices for instance %s", instance.name)
|
4251 | a8083063 | Iustin Pop | |
4252 | b9bddb6b | Iustin Pop | if not _RemoveDisks(self, instance): |
4253 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
4254 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
4255 | 1d67656e | Iustin Pop | else:
|
4256 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
4257 | a8083063 | Iustin Pop | |
4258 | 9a4f63d1 | Iustin Pop | logging.info("Removing instance %s out of cluster config", instance.name)
|
4259 | a8083063 | Iustin Pop | |
4260 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
4261 | cf472233 | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = instance.name
|
4262 | a8083063 | Iustin Pop | |
4263 | a8083063 | Iustin Pop | |
4264 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
4265 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
4266 | a8083063 | Iustin Pop |
|
4267 | a8083063 | Iustin Pop | """
|
4268 | 7260cfbe | Iustin Pop | # pylint: disable-msg=W0142
|
4269 | ec79568d | Iustin Pop | _OP_REQP = ["output_fields", "names", "use_locking"] |
4270 | 7eb9d8f7 | Guido Trotter | REQ_BGL = False
|
4271 | 19bed813 | Iustin Pop | _SIMPLE_FIELDS = ["name", "os", "network_port", "hypervisor", |
4272 | 19bed813 | Iustin Pop | "serial_no", "ctime", "mtime", "uuid"] |
4273 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet(*["name", "os", "pnode", "snodes", |
4274 | 5b460366 | Iustin Pop | "admin_state",
|
4275 | a2d2e1a7 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
4276 | 638c6349 | Guido Trotter | "nic_mode", "nic_link", |
4277 | a2d2e1a7 | Iustin Pop | "sda_size", "sdb_size", "vcpus", "tags", |
4278 | a2d2e1a7 | Iustin Pop | "network_port", "beparams", |
4279 | 8aec325c | Iustin Pop | r"(disk)\.(size)/([0-9]+)",
|
4280 | 8aec325c | Iustin Pop | r"(disk)\.(sizes)", "disk_usage", |
4281 | 638c6349 | Guido Trotter | r"(nic)\.(mac|ip|mode|link)/([0-9]+)",
|
4282 | 638c6349 | Guido Trotter | r"(nic)\.(bridge)/([0-9]+)",
|
4283 | 638c6349 | Guido Trotter | r"(nic)\.(macs|ips|modes|links|bridges)",
|
4284 | 8aec325c | Iustin Pop | r"(disk|nic)\.(count)",
|
4285 | 19bed813 | Iustin Pop | "hvparams",
|
4286 | 19bed813 | Iustin Pop | ] + _SIMPLE_FIELDS + |
4287 | a2d2e1a7 | Iustin Pop | ["hv/%s" % name
|
4288 | 7736a5f2 | Iustin Pop | for name in constants.HVS_PARAMETERS |
4289 | 7736a5f2 | Iustin Pop | if name not in constants.HVC_GLOBALS] + |
4290 | a2d2e1a7 | Iustin Pop | ["be/%s" % name
|
4291 | a2d2e1a7 | Iustin Pop | for name in constants.BES_PARAMETERS]) |
4292 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("oper_state", "oper_ram", "status") |
4293 | 31bf511f | Iustin Pop | |
4294 | a8083063 | Iustin Pop | |
4295 | 7eb9d8f7 | Guido Trotter | def ExpandNames(self): |
4296 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
4297 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
4298 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
4299 | a8083063 | Iustin Pop | |
4300 | 7eb9d8f7 | Guido Trotter | self.needed_locks = {}
|
4301 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
4302 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
4303 | 7eb9d8f7 | Guido Trotter | |
4304 | 57a2fb91 | Iustin Pop | if self.op.names: |
4305 | 57a2fb91 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
4306 | 7eb9d8f7 | Guido Trotter | else:
|
4307 | 57a2fb91 | Iustin Pop | self.wanted = locking.ALL_SET
|
4308 | 7eb9d8f7 | Guido Trotter | |
4309 | ec79568d | Iustin Pop | self.do_node_query = self._FIELDS_STATIC.NonMatching(self.op.output_fields) |
4310 | ec79568d | Iustin Pop | self.do_locking = self.do_node_query and self.op.use_locking |
4311 | 57a2fb91 | Iustin Pop | if self.do_locking: |
4312 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted |
4313 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
4314 | 57a2fb91 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4315 | 7eb9d8f7 | Guido Trotter | |
4316 | 7eb9d8f7 | Guido Trotter | def DeclareLocks(self, level): |
4317 | 57a2fb91 | Iustin Pop | if level == locking.LEVEL_NODE and self.do_locking: |
4318 | 7eb9d8f7 | Guido Trotter | self._LockInstancesNodes()
|
4319 | 7eb9d8f7 | Guido Trotter | |
4320 | 7eb9d8f7 | Guido Trotter | def CheckPrereq(self): |
4321 | 7eb9d8f7 | Guido Trotter | """Check prerequisites.
|
4322 | 7eb9d8f7 | Guido Trotter |
|
4323 | 7eb9d8f7 | Guido Trotter | """
|
4324 | 57a2fb91 | Iustin Pop | pass
|
4325 | 069dcc86 | Iustin Pop | |
4326 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4327 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
4328 | a8083063 | Iustin Pop |
|
4329 | a8083063 | Iustin Pop | """
|
4330 | 7260cfbe | Iustin Pop | # pylint: disable-msg=R0912
|
4331 | 7260cfbe | Iustin Pop | # way too many branches here
|
4332 | 57a2fb91 | Iustin Pop | all_info = self.cfg.GetAllInstancesInfo()
|
4333 | a7f5dc98 | Iustin Pop | if self.wanted == locking.ALL_SET: |
4334 | a7f5dc98 | Iustin Pop | # caller didn't specify instance names, so ordering is not important
|
4335 | a7f5dc98 | Iustin Pop | if self.do_locking: |
4336 | a7f5dc98 | Iustin Pop | instance_names = self.acquired_locks[locking.LEVEL_INSTANCE]
|
4337 | a7f5dc98 | Iustin Pop | else:
|
4338 | a7f5dc98 | Iustin Pop | instance_names = all_info.keys() |
4339 | a7f5dc98 | Iustin Pop | instance_names = utils.NiceSort(instance_names) |
4340 | 57a2fb91 | Iustin Pop | else:
|
4341 | a7f5dc98 | Iustin Pop | # caller did specify names, so we must keep the ordering
|
4342 | a7f5dc98 | Iustin Pop | if self.do_locking: |
4343 | a7f5dc98 | Iustin Pop | tgt_set = self.acquired_locks[locking.LEVEL_INSTANCE]
|
4344 | a7f5dc98 | Iustin Pop | else:
|
4345 | a7f5dc98 | Iustin Pop | tgt_set = all_info.keys() |
4346 | a7f5dc98 | Iustin Pop | missing = set(self.wanted).difference(tgt_set) |
4347 | a7f5dc98 | Iustin Pop | if missing:
|
4348 | a7f5dc98 | Iustin Pop | raise errors.OpExecError("Some instances were removed before" |
4349 | a7f5dc98 | Iustin Pop | " retrieving their data: %s" % missing)
|
4350 | a7f5dc98 | Iustin Pop | instance_names = self.wanted
|
4351 | c1f1cbb2 | Iustin Pop | |
4352 | 57a2fb91 | Iustin Pop | instance_list = [all_info[iname] for iname in instance_names] |
4353 | a8083063 | Iustin Pop | |
4354 | a8083063 | Iustin Pop | # begin data gathering
|
4355 | a8083063 | Iustin Pop | |
4356 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
4357 | e69d05fd | Iustin Pop | hv_list = list(set([inst.hypervisor for inst in instance_list])) |
4358 | a8083063 | Iustin Pop | |
4359 | a8083063 | Iustin Pop | bad_nodes = [] |
4360 | cbfc4681 | Iustin Pop | off_nodes = [] |
4361 | ec79568d | Iustin Pop | if self.do_node_query: |
4362 | a8083063 | Iustin Pop | live_data = {} |
4363 | 72737a7f | Iustin Pop | node_data = self.rpc.call_all_instances_info(nodes, hv_list)
|
4364 | a8083063 | Iustin Pop | for name in nodes: |
4365 | a8083063 | Iustin Pop | result = node_data[name] |
4366 | cbfc4681 | Iustin Pop | if result.offline:
|
4367 | cbfc4681 | Iustin Pop | # offline nodes will be in both lists
|
4368 | cbfc4681 | Iustin Pop | off_nodes.append(name) |
4369 | 3cebe102 | Michael Hanselmann | if result.fail_msg:
|
4370 | a8083063 | Iustin Pop | bad_nodes.append(name) |
4371 | 781de953 | Iustin Pop | else:
|
4372 | 2fa74ef4 | Iustin Pop | if result.payload:
|
4373 | 2fa74ef4 | Iustin Pop | live_data.update(result.payload) |
4374 | 2fa74ef4 | Iustin Pop | # else no instance is alive
|
4375 | a8083063 | Iustin Pop | else:
|
4376 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
4377 | a8083063 | Iustin Pop | |
4378 | a8083063 | Iustin Pop | # end data gathering
|
4379 | a8083063 | Iustin Pop | |
4380 | 5018a335 | Iustin Pop | HVPREFIX = "hv/"
|
4381 | 338e51e8 | Iustin Pop | BEPREFIX = "be/"
|
4382 | a8083063 | Iustin Pop | output = [] |
4383 | 638c6349 | Guido Trotter | cluster = self.cfg.GetClusterInfo()
|
4384 | a8083063 | Iustin Pop | for instance in instance_list: |
4385 | a8083063 | Iustin Pop | iout = [] |
4386 | 7736a5f2 | Iustin Pop | i_hv = cluster.FillHV(instance, skip_globals=True)
|
4387 | 638c6349 | Guido Trotter | i_be = cluster.FillBE(instance) |
4388 | 638c6349 | Guido Trotter | i_nicp = [objects.FillDict(cluster.nicparams[constants.PP_DEFAULT], |
4389 | 638c6349 | Guido Trotter | nic.nicparams) for nic in instance.nics] |
4390 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
4391 | 71c1af58 | Iustin Pop | st_match = self._FIELDS_STATIC.Matches(field)
|
4392 | 19bed813 | Iustin Pop | if field in self._SIMPLE_FIELDS: |
4393 | 19bed813 | Iustin Pop | val = getattr(instance, field)
|
4394 | a8083063 | Iustin Pop | elif field == "pnode": |
4395 | a8083063 | Iustin Pop | val = instance.primary_node |
4396 | a8083063 | Iustin Pop | elif field == "snodes": |
4397 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
4398 | a8083063 | Iustin Pop | elif field == "admin_state": |
4399 | 0d68c45d | Iustin Pop | val = instance.admin_up |
4400 | a8083063 | Iustin Pop | elif field == "oper_state": |
4401 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
4402 | 8a23d2d3 | Iustin Pop | val = None
|
4403 | a8083063 | Iustin Pop | else:
|
4404 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
4405 | d8052456 | Iustin Pop | elif field == "status": |
4406 | cbfc4681 | Iustin Pop | if instance.primary_node in off_nodes: |
4407 | cbfc4681 | Iustin Pop | val = "ERROR_nodeoffline"
|
4408 | cbfc4681 | Iustin Pop | elif instance.primary_node in bad_nodes: |
4409 | d8052456 | Iustin Pop | val = "ERROR_nodedown"
|
4410 | d8052456 | Iustin Pop | else:
|
4411 | d8052456 | Iustin Pop | running = bool(live_data.get(instance.name))
|
4412 | d8052456 | Iustin Pop | if running:
|
4413 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
4414 | d8052456 | Iustin Pop | val = "running"
|
4415 | d8052456 | Iustin Pop | else:
|
4416 | d8052456 | Iustin Pop | val = "ERROR_up"
|
4417 | d8052456 | Iustin Pop | else:
|
4418 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
4419 | d8052456 | Iustin Pop | val = "ERROR_down"
|
4420 | d8052456 | Iustin Pop | else:
|
4421 | d8052456 | Iustin Pop | val = "ADMIN_down"
|
4422 | a8083063 | Iustin Pop | elif field == "oper_ram": |
4423 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
4424 | 8a23d2d3 | Iustin Pop | val = None
|
4425 | a8083063 | Iustin Pop | elif instance.name in live_data: |
4426 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
4427 | a8083063 | Iustin Pop | else:
|
4428 | a8083063 | Iustin Pop | val = "-"
|
4429 | c1ce76bb | Iustin Pop | elif field == "vcpus": |
4430 | c1ce76bb | Iustin Pop | val = i_be[constants.BE_VCPUS] |
4431 | a8083063 | Iustin Pop | elif field == "disk_template": |
4432 | a8083063 | Iustin Pop | val = instance.disk_template |
4433 | a8083063 | Iustin Pop | elif field == "ip": |
4434 | 39a02558 | Guido Trotter | if instance.nics:
|
4435 | 39a02558 | Guido Trotter | val = instance.nics[0].ip
|
4436 | 39a02558 | Guido Trotter | else:
|
4437 | 39a02558 | Guido Trotter | val = None
|
4438 | 638c6349 | Guido Trotter | elif field == "nic_mode": |
4439 | 638c6349 | Guido Trotter | if instance.nics:
|
4440 | 638c6349 | Guido Trotter | val = i_nicp[0][constants.NIC_MODE]
|
4441 | 638c6349 | Guido Trotter | else:
|
4442 | 638c6349 | Guido Trotter | val = None
|
4443 | 638c6349 | Guido Trotter | elif field == "nic_link": |
4444 | 39a02558 | Guido Trotter | if instance.nics:
|
4445 | 638c6349 | Guido Trotter | val = i_nicp[0][constants.NIC_LINK]
|
4446 | 638c6349 | Guido Trotter | else:
|
4447 | 638c6349 | Guido Trotter | val = None
|
4448 | 638c6349 | Guido Trotter | elif field == "bridge": |
4449 | 638c6349 | Guido Trotter | if (instance.nics and |
4450 | 638c6349 | Guido Trotter | i_nicp[0][constants.NIC_MODE] == constants.NIC_MODE_BRIDGED):
|
4451 | 638c6349 | Guido Trotter | val = i_nicp[0][constants.NIC_LINK]
|
4452 | 39a02558 | Guido Trotter | else:
|
4453 | 39a02558 | Guido Trotter | val = None
|
4454 | a8083063 | Iustin Pop | elif field == "mac": |
4455 | 39a02558 | Guido Trotter | if instance.nics:
|
4456 | 39a02558 | Guido Trotter | val = instance.nics[0].mac
|
4457 | 39a02558 | Guido Trotter | else:
|
4458 | 39a02558 | Guido Trotter | val = None
|
4459 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
4460 | ad24e046 | Iustin Pop | idx = ord(field[2]) - ord('a') |
4461 | ad24e046 | Iustin Pop | try:
|
4462 | ad24e046 | Iustin Pop | val = instance.FindDisk(idx).size |
4463 | ad24e046 | Iustin Pop | except errors.OpPrereqError:
|
4464 | 8a23d2d3 | Iustin Pop | val = None
|
4465 | 024e157f | Iustin Pop | elif field == "disk_usage": # total disk usage per node |
4466 | 024e157f | Iustin Pop | disk_sizes = [{'size': disk.size} for disk in instance.disks] |
4467 | 024e157f | Iustin Pop | val = _ComputeDiskSize(instance.disk_template, disk_sizes) |
4468 | 130a6a6f | Iustin Pop | elif field == "tags": |
4469 | 130a6a6f | Iustin Pop | val = list(instance.GetTags())
|
4470 | 338e51e8 | Iustin Pop | elif field == "hvparams": |
4471 | 338e51e8 | Iustin Pop | val = i_hv |
4472 | 5018a335 | Iustin Pop | elif (field.startswith(HVPREFIX) and |
4473 | 7736a5f2 | Iustin Pop | field[len(HVPREFIX):] in constants.HVS_PARAMETERS and |
4474 | 7736a5f2 | Iustin Pop | field[len(HVPREFIX):] not in constants.HVC_GLOBALS): |
4475 | 5018a335 | Iustin Pop | val = i_hv.get(field[len(HVPREFIX):], None) |
4476 | 338e51e8 | Iustin Pop | elif field == "beparams": |
4477 | 338e51e8 | Iustin Pop | val = i_be |
4478 | 338e51e8 | Iustin Pop | elif (field.startswith(BEPREFIX) and |
4479 | 338e51e8 | Iustin Pop | field[len(BEPREFIX):] in constants.BES_PARAMETERS): |
4480 | 338e51e8 | Iustin Pop | val = i_be.get(field[len(BEPREFIX):], None) |
4481 | 71c1af58 | Iustin Pop | elif st_match and st_match.groups(): |
4482 | 71c1af58 | Iustin Pop | # matches a variable list
|
4483 | 71c1af58 | Iustin Pop | st_groups = st_match.groups() |
4484 | 71c1af58 | Iustin Pop | if st_groups and st_groups[0] == "disk": |
4485 | 71c1af58 | Iustin Pop | if st_groups[1] == "count": |
4486 | 71c1af58 | Iustin Pop | val = len(instance.disks)
|
4487 | 41a776da | Iustin Pop | elif st_groups[1] == "sizes": |
4488 | 41a776da | Iustin Pop | val = [disk.size for disk in instance.disks] |
4489 | 71c1af58 | Iustin Pop | elif st_groups[1] == "size": |
4490 | 3e0cea06 | Iustin Pop | try:
|
4491 | 3e0cea06 | Iustin Pop | val = instance.FindDisk(st_groups[2]).size
|
4492 | 3e0cea06 | Iustin Pop | except errors.OpPrereqError:
|
4493 | 71c1af58 | Iustin Pop | val = None
|
4494 | 71c1af58 | Iustin Pop | else:
|
4495 | 71c1af58 | Iustin Pop | assert False, "Unhandled disk parameter" |
4496 | 71c1af58 | Iustin Pop | elif st_groups[0] == "nic": |
4497 | 71c1af58 | Iustin Pop | if st_groups[1] == "count": |
4498 | 71c1af58 | Iustin Pop | val = len(instance.nics)
|
4499 | 41a776da | Iustin Pop | elif st_groups[1] == "macs": |
4500 | 41a776da | Iustin Pop | val = [nic.mac for nic in instance.nics] |
4501 | 41a776da | Iustin Pop | elif st_groups[1] == "ips": |
4502 | 41a776da | Iustin Pop | val = [nic.ip for nic in instance.nics] |
4503 | 638c6349 | Guido Trotter | elif st_groups[1] == "modes": |
4504 | 638c6349 | Guido Trotter | val = [nicp[constants.NIC_MODE] for nicp in i_nicp] |
4505 | 638c6349 | Guido Trotter | elif st_groups[1] == "links": |
4506 | 638c6349 | Guido Trotter | val = [nicp[constants.NIC_LINK] for nicp in i_nicp] |
4507 | 41a776da | Iustin Pop | elif st_groups[1] == "bridges": |
4508 | 638c6349 | Guido Trotter | val = [] |
4509 | 638c6349 | Guido Trotter | for nicp in i_nicp: |
4510 | 638c6349 | Guido Trotter | if nicp[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
4511 | 638c6349 | Guido Trotter | val.append(nicp[constants.NIC_LINK]) |
4512 | 638c6349 | Guido Trotter | else:
|
4513 | 638c6349 | Guido Trotter | val.append(None)
|
4514 | 71c1af58 | Iustin Pop | else:
|
4515 | 71c1af58 | Iustin Pop | # index-based item
|
4516 | 71c1af58 | Iustin Pop | nic_idx = int(st_groups[2]) |
4517 | 71c1af58 | Iustin Pop | if nic_idx >= len(instance.nics): |
4518 | 71c1af58 | Iustin Pop | val = None
|
4519 | 71c1af58 | Iustin Pop | else:
|
4520 | 71c1af58 | Iustin Pop | if st_groups[1] == "mac": |
4521 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].mac |
4522 | 71c1af58 | Iustin Pop | elif st_groups[1] == "ip": |
4523 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].ip |
4524 | 638c6349 | Guido Trotter | elif st_groups[1] == "mode": |
4525 | 638c6349 | Guido Trotter | val = i_nicp[nic_idx][constants.NIC_MODE] |
4526 | 638c6349 | Guido Trotter | elif st_groups[1] == "link": |
4527 | 638c6349 | Guido Trotter | val = i_nicp[nic_idx][constants.NIC_LINK] |
4528 | 71c1af58 | Iustin Pop | elif st_groups[1] == "bridge": |
4529 | 638c6349 | Guido Trotter | nic_mode = i_nicp[nic_idx][constants.NIC_MODE] |
4530 | 638c6349 | Guido Trotter | if nic_mode == constants.NIC_MODE_BRIDGED:
|
4531 | 638c6349 | Guido Trotter | val = i_nicp[nic_idx][constants.NIC_LINK] |
4532 | 638c6349 | Guido Trotter | else:
|
4533 | 638c6349 | Guido Trotter | val = None
|
4534 | 71c1af58 | Iustin Pop | else:
|
4535 | 71c1af58 | Iustin Pop | assert False, "Unhandled NIC parameter" |
4536 | 71c1af58 | Iustin Pop | else:
|
4537 | c1ce76bb | Iustin Pop | assert False, ("Declared but unhandled variable parameter '%s'" % |
4538 | c1ce76bb | Iustin Pop | field) |
4539 | a8083063 | Iustin Pop | else:
|
4540 | c1ce76bb | Iustin Pop | assert False, "Declared but unhandled parameter '%s'" % field |
4541 | a8083063 | Iustin Pop | iout.append(val) |
4542 | a8083063 | Iustin Pop | output.append(iout) |
4543 | a8083063 | Iustin Pop | |
4544 | a8083063 | Iustin Pop | return output
|
4545 | a8083063 | Iustin Pop | |
4546 | a8083063 | Iustin Pop | |
4547 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
4548 | a8083063 | Iustin Pop | """Failover an instance.
|
4549 | a8083063 | Iustin Pop |
|
4550 | a8083063 | Iustin Pop | """
|
4551 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
4552 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4553 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
4554 | c9e5c064 | Guido Trotter | REQ_BGL = False
|
4555 | c9e5c064 | Guido Trotter | |
4556 | 17c3f802 | Guido Trotter | def CheckArguments(self): |
4557 | 17c3f802 | Guido Trotter | """Check the arguments.
|
4558 | 17c3f802 | Guido Trotter |
|
4559 | 17c3f802 | Guido Trotter | """
|
4560 | 17c3f802 | Guido Trotter | self.shutdown_timeout = getattr(self.op, "shutdown_timeout", |
4561 | 17c3f802 | Guido Trotter | constants.DEFAULT_SHUTDOWN_TIMEOUT) |
4562 | 17c3f802 | Guido Trotter | |
4563 | c9e5c064 | Guido Trotter | def ExpandNames(self): |
4564 | c9e5c064 | Guido Trotter | self._ExpandAndLockInstance()
|
4565 | c9e5c064 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
4566 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4567 | c9e5c064 | Guido Trotter | |
4568 | c9e5c064 | Guido Trotter | def DeclareLocks(self, level): |
4569 | c9e5c064 | Guido Trotter | if level == locking.LEVEL_NODE:
|
4570 | c9e5c064 | Guido Trotter | self._LockInstancesNodes()
|
4571 | a8083063 | Iustin Pop | |
4572 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4573 | a8083063 | Iustin Pop | """Build hooks env.
|
4574 | a8083063 | Iustin Pop |
|
4575 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
4576 | a8083063 | Iustin Pop |
|
4577 | a8083063 | Iustin Pop | """
|
4578 | a8083063 | Iustin Pop | env = { |
4579 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
4580 | 17c3f802 | Guido Trotter | "SHUTDOWN_TIMEOUT": self.shutdown_timeout, |
4581 | a8083063 | Iustin Pop | } |
4582 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
4583 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()] + list(self.instance.secondary_nodes) |
4584 | a8083063 | Iustin Pop | return env, nl, nl
|
4585 | a8083063 | Iustin Pop | |
4586 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4587 | a8083063 | Iustin Pop | """Check prerequisites.
|
4588 | a8083063 | Iustin Pop |
|
4589 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
4590 | a8083063 | Iustin Pop |
|
4591 | a8083063 | Iustin Pop | """
|
4592 | c9e5c064 | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4593 | c9e5c064 | Guido Trotter | assert self.instance is not None, \ |
4594 | c9e5c064 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4595 | a8083063 | Iustin Pop | |
4596 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
4597 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
4598 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
4599 | 5c983ee5 | Iustin Pop | " network mirrored, cannot failover.",
|
4600 | 5c983ee5 | Iustin Pop | errors.ECODE_STATE) |
4601 | 2a710df1 | Michael Hanselmann | |
4602 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
4603 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
4604 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
4605 | abdf0113 | Iustin Pop | "a mirrored disk template")
|
4606 | 2a710df1 | Michael Hanselmann | |
4607 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
4608 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, target_node)
|
4609 | 733a2b6a | Iustin Pop | _CheckNodeNotDrained(self, target_node)
|
4610 | d27776f0 | Iustin Pop | if instance.admin_up:
|
4611 | d27776f0 | Iustin Pop | # check memory requirements on the secondary node
|
4612 | d27776f0 | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "failing over instance %s" % |
4613 | d27776f0 | Iustin Pop | instance.name, bep[constants.BE_MEMORY], |
4614 | d27776f0 | Iustin Pop | instance.hypervisor) |
4615 | d27776f0 | Iustin Pop | else:
|
4616 | d27776f0 | Iustin Pop | self.LogInfo("Not checking memory on the secondary node as" |
4617 | d27776f0 | Iustin Pop | " instance will not be started")
|
4618 | 3a7c308e | Guido Trotter | |
4619 | a8083063 | Iustin Pop | # check bridge existance
|
4620 | b165e77e | Guido Trotter | _CheckInstanceBridgesExist(self, instance, node=target_node)
|
4621 | a8083063 | Iustin Pop | |
4622 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4623 | a8083063 | Iustin Pop | """Failover an instance.
|
4624 | a8083063 | Iustin Pop |
|
4625 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
4626 | a8083063 | Iustin Pop | starting it on the secondary.
|
4627 | a8083063 | Iustin Pop |
|
4628 | a8083063 | Iustin Pop | """
|
4629 | a8083063 | Iustin Pop | instance = self.instance
|
4630 | a8083063 | Iustin Pop | |
4631 | a8083063 | Iustin Pop | source_node = instance.primary_node |
4632 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
4633 | a8083063 | Iustin Pop | |
4634 | 1df79ce6 | Michael Hanselmann | if instance.admin_up:
|
4635 | 1df79ce6 | Michael Hanselmann | feedback_fn("* checking disk consistency between source and target")
|
4636 | 1df79ce6 | Michael Hanselmann | for dev in instance.disks: |
4637 | 1df79ce6 | Michael Hanselmann | # for drbd, these are drbd over lvm
|
4638 | 1df79ce6 | Michael Hanselmann | if not _CheckDiskConsistency(self, dev, target_node, False): |
4639 | 1df79ce6 | Michael Hanselmann | if not self.op.ignore_consistency: |
4640 | 1df79ce6 | Michael Hanselmann | raise errors.OpExecError("Disk %s is degraded on target node," |
4641 | 1df79ce6 | Michael Hanselmann | " aborting failover." % dev.iv_name)
|
4642 | 1df79ce6 | Michael Hanselmann | else:
|
4643 | 1df79ce6 | Michael Hanselmann | feedback_fn("* not checking disk consistency as instance is not running")
|
4644 | a8083063 | Iustin Pop | |
4645 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
4646 | 9a4f63d1 | Iustin Pop | logging.info("Shutting down instance %s on node %s",
|
4647 | 9a4f63d1 | Iustin Pop | instance.name, source_node) |
4648 | a8083063 | Iustin Pop | |
4649 | 17c3f802 | Guido Trotter | result = self.rpc.call_instance_shutdown(source_node, instance,
|
4650 | 17c3f802 | Guido Trotter | self.shutdown_timeout)
|
4651 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4652 | 1fae010f | Iustin Pop | if msg:
|
4653 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
4654 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Could not shutdown instance %s on node %s." |
4655 | 1fae010f | Iustin Pop | " Proceeding anyway. Please make sure node"
|
4656 | 1fae010f | Iustin Pop | " %s is down. Error details: %s",
|
4657 | 1fae010f | Iustin Pop | instance.name, source_node, source_node, msg) |
4658 | 24a40d57 | Iustin Pop | else:
|
4659 | 1fae010f | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on" |
4660 | 1fae010f | Iustin Pop | " node %s: %s" %
|
4661 | 1fae010f | Iustin Pop | (instance.name, source_node, msg)) |
4662 | a8083063 | Iustin Pop | |
4663 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
4664 | b9bddb6b | Iustin Pop | if not _ShutdownInstanceDisks(self, instance, ignore_primary=True): |
4665 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
4666 | a8083063 | Iustin Pop | |
4667 | a8083063 | Iustin Pop | instance.primary_node = target_node |
4668 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
4669 | a4eae71f | Michael Hanselmann | self.cfg.Update(instance, feedback_fn)
|
4670 | a8083063 | Iustin Pop | |
4671 | 12a0cfbe | Guido Trotter | # Only start the instance if it's marked as up
|
4672 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
4673 | 12a0cfbe | Guido Trotter | feedback_fn("* activating the instance's disks on target node")
|
4674 | 9a4f63d1 | Iustin Pop | logging.info("Starting instance %s on node %s",
|
4675 | 9a4f63d1 | Iustin Pop | instance.name, target_node) |
4676 | 12a0cfbe | Guido Trotter | |
4677 | 7c4d6c7b | Michael Hanselmann | disks_ok, _ = _AssembleInstanceDisks(self, instance,
|
4678 | 12a0cfbe | Guido Trotter | ignore_secondaries=True)
|
4679 | 12a0cfbe | Guido Trotter | if not disks_ok: |
4680 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
4681 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Can't activate the instance's disks") |
4682 | a8083063 | Iustin Pop | |
4683 | 12a0cfbe | Guido Trotter | feedback_fn("* starting the instance on the target node")
|
4684 | 0eca8e0c | Iustin Pop | result = self.rpc.call_instance_start(target_node, instance, None, None) |
4685 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4686 | dd279568 | Iustin Pop | if msg:
|
4687 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
4688 | dd279568 | Iustin Pop | raise errors.OpExecError("Could not start instance %s on node %s: %s" % |
4689 | dd279568 | Iustin Pop | (instance.name, target_node, msg)) |
4690 | a8083063 | Iustin Pop | |
4691 | a8083063 | Iustin Pop | |
4692 | 53c776b5 | Iustin Pop | class LUMigrateInstance(LogicalUnit): |
4693 | 53c776b5 | Iustin Pop | """Migrate an instance.
|
4694 | 53c776b5 | Iustin Pop |
|
4695 | 53c776b5 | Iustin Pop | This is migration without shutting down, compared to the failover,
|
4696 | 53c776b5 | Iustin Pop | which is done with shutdown.
|
4697 | 53c776b5 | Iustin Pop |
|
4698 | 53c776b5 | Iustin Pop | """
|
4699 | 53c776b5 | Iustin Pop | HPATH = "instance-migrate"
|
4700 | 53c776b5 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4701 | 53c776b5 | Iustin Pop | _OP_REQP = ["instance_name", "live", "cleanup"] |
4702 | 53c776b5 | Iustin Pop | |
4703 | 53c776b5 | Iustin Pop | REQ_BGL = False
|
4704 | 53c776b5 | Iustin Pop | |
4705 | 53c776b5 | Iustin Pop | def ExpandNames(self): |
4706 | 53c776b5 | Iustin Pop | self._ExpandAndLockInstance()
|
4707 | 3e06e001 | Michael Hanselmann | |
4708 | 53c776b5 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
4709 | 53c776b5 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4710 | 53c776b5 | Iustin Pop | |
4711 | 3e06e001 | Michael Hanselmann | self._migrater = TLMigrateInstance(self, self.op.instance_name, |
4712 | 3e06e001 | Michael Hanselmann | self.op.live, self.op.cleanup) |
4713 | 3a012b41 | Michael Hanselmann | self.tasklets = [self._migrater] |
4714 | 3e06e001 | Michael Hanselmann | |
4715 | 53c776b5 | Iustin Pop | def DeclareLocks(self, level): |
4716 | 53c776b5 | Iustin Pop | if level == locking.LEVEL_NODE:
|
4717 | 53c776b5 | Iustin Pop | self._LockInstancesNodes()
|
4718 | 53c776b5 | Iustin Pop | |
4719 | 53c776b5 | Iustin Pop | def BuildHooksEnv(self): |
4720 | 53c776b5 | Iustin Pop | """Build hooks env.
|
4721 | 53c776b5 | Iustin Pop |
|
4722 | 53c776b5 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
4723 | 53c776b5 | Iustin Pop |
|
4724 | 53c776b5 | Iustin Pop | """
|
4725 | 3e06e001 | Michael Hanselmann | instance = self._migrater.instance
|
4726 | 3e06e001 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self, instance)
|
4727 | 2c2690c9 | Iustin Pop | env["MIGRATE_LIVE"] = self.op.live |
4728 | 2c2690c9 | Iustin Pop | env["MIGRATE_CLEANUP"] = self.op.cleanup |
4729 | 3e06e001 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()] + list(instance.secondary_nodes) |
4730 | 53c776b5 | Iustin Pop | return env, nl, nl
|
4731 | 53c776b5 | Iustin Pop | |
4732 | 3e06e001 | Michael Hanselmann | |
4733 | 313bcead | Iustin Pop | class LUMoveInstance(LogicalUnit): |
4734 | 313bcead | Iustin Pop | """Move an instance by data-copying.
|
4735 | 313bcead | Iustin Pop |
|
4736 | 313bcead | Iustin Pop | """
|
4737 | 313bcead | Iustin Pop | HPATH = "instance-move"
|
4738 | 313bcead | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4739 | 313bcead | Iustin Pop | _OP_REQP = ["instance_name", "target_node"] |
4740 | 313bcead | Iustin Pop | REQ_BGL = False
|
4741 | 313bcead | Iustin Pop | |
4742 | 17c3f802 | Guido Trotter | def CheckArguments(self): |
4743 | 17c3f802 | Guido Trotter | """Check the arguments.
|
4744 | 17c3f802 | Guido Trotter |
|
4745 | 17c3f802 | Guido Trotter | """
|
4746 | 17c3f802 | Guido Trotter | self.shutdown_timeout = getattr(self.op, "shutdown_timeout", |
4747 | 17c3f802 | Guido Trotter | constants.DEFAULT_SHUTDOWN_TIMEOUT) |
4748 | 17c3f802 | Guido Trotter | |
4749 | 313bcead | Iustin Pop | def ExpandNames(self): |
4750 | 313bcead | Iustin Pop | self._ExpandAndLockInstance()
|
4751 | 313bcead | Iustin Pop | target_node = self.cfg.ExpandNodeName(self.op.target_node) |
4752 | 313bcead | Iustin Pop | if target_node is None: |
4753 | 313bcead | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % |
4754 | 5c983ee5 | Iustin Pop | self.op.target_node, errors.ECODE_NOENT)
|
4755 | 313bcead | Iustin Pop | self.op.target_node = target_node
|
4756 | 313bcead | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = [target_node]
|
4757 | 313bcead | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
|
4758 | 313bcead | Iustin Pop | |
4759 | 313bcead | Iustin Pop | def DeclareLocks(self, level): |
4760 | 313bcead | Iustin Pop | if level == locking.LEVEL_NODE:
|
4761 | 313bcead | Iustin Pop | self._LockInstancesNodes(primary_only=True) |
4762 | 313bcead | Iustin Pop | |
4763 | 313bcead | Iustin Pop | def BuildHooksEnv(self): |
4764 | 313bcead | Iustin Pop | """Build hooks env.
|
4765 | 313bcead | Iustin Pop |
|
4766 | 313bcead | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
4767 | 313bcead | Iustin Pop |
|
4768 | 313bcead | Iustin Pop | """
|
4769 | 313bcead | Iustin Pop | env = { |
4770 | 313bcead | Iustin Pop | "TARGET_NODE": self.op.target_node, |
4771 | 17c3f802 | Guido Trotter | "SHUTDOWN_TIMEOUT": self.shutdown_timeout, |
4772 | 313bcead | Iustin Pop | } |
4773 | 313bcead | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
4774 | 313bcead | Iustin Pop | nl = [self.cfg.GetMasterNode()] + [self.instance.primary_node, |
4775 | 313bcead | Iustin Pop | self.op.target_node]
|
4776 | 313bcead | Iustin Pop | return env, nl, nl
|
4777 | 313bcead | Iustin Pop | |
4778 | 313bcead | Iustin Pop | def CheckPrereq(self): |
4779 | 313bcead | Iustin Pop | """Check prerequisites.
|
4780 | 313bcead | Iustin Pop |
|
4781 | 313bcead | Iustin Pop | This checks that the instance is in the cluster.
|
4782 | 313bcead | Iustin Pop |
|
4783 | 313bcead | Iustin Pop | """
|
4784 | 313bcead | Iustin Pop | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4785 | 313bcead | Iustin Pop | assert self.instance is not None, \ |
4786 | 313bcead | Iustin Pop | "Cannot retrieve locked instance %s" % self.op.instance_name |
4787 | 313bcead | Iustin Pop | |
4788 | 313bcead | Iustin Pop | node = self.cfg.GetNodeInfo(self.op.target_node) |
4789 | 313bcead | Iustin Pop | assert node is not None, \ |
4790 | 313bcead | Iustin Pop | "Cannot retrieve locked node %s" % self.op.target_node |
4791 | 313bcead | Iustin Pop | |
4792 | 313bcead | Iustin Pop | self.target_node = target_node = node.name
|
4793 | 313bcead | Iustin Pop | |
4794 | 313bcead | Iustin Pop | if target_node == instance.primary_node:
|
4795 | 313bcead | Iustin Pop | raise errors.OpPrereqError("Instance %s is already on the node %s" % |
4796 | 5c983ee5 | Iustin Pop | (instance.name, target_node), |
4797 | 5c983ee5 | Iustin Pop | errors.ECODE_STATE) |
4798 | 313bcead | Iustin Pop | |
4799 | 313bcead | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
4800 | 313bcead | Iustin Pop | |
4801 | 313bcead | Iustin Pop | for idx, dsk in enumerate(instance.disks): |
4802 | 313bcead | Iustin Pop | if dsk.dev_type not in (constants.LD_LV, constants.LD_FILE): |
4803 | 313bcead | Iustin Pop | raise errors.OpPrereqError("Instance disk %d has a complex layout," |
4804 | d1b83918 | Iustin Pop | " cannot copy" % idx, errors.ECODE_STATE)
|
4805 | 313bcead | Iustin Pop | |
4806 | 313bcead | Iustin Pop | _CheckNodeOnline(self, target_node)
|
4807 | 313bcead | Iustin Pop | _CheckNodeNotDrained(self, target_node)
|
4808 | 313bcead | Iustin Pop | |
4809 | 313bcead | Iustin Pop | if instance.admin_up:
|
4810 | 313bcead | Iustin Pop | # check memory requirements on the secondary node
|
4811 | 313bcead | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "failing over instance %s" % |
4812 | 313bcead | Iustin Pop | instance.name, bep[constants.BE_MEMORY], |
4813 | 313bcead | Iustin Pop | instance.hypervisor) |
4814 | 313bcead | Iustin Pop | else:
|
4815 | 313bcead | Iustin Pop | self.LogInfo("Not checking memory on the secondary node as" |
4816 | 313bcead | Iustin Pop | " instance will not be started")
|
4817 | 313bcead | Iustin Pop | |
4818 | 313bcead | Iustin Pop | # check bridge existance
|
4819 | 313bcead | Iustin Pop | _CheckInstanceBridgesExist(self, instance, node=target_node)
|
4820 | 313bcead | Iustin Pop | |
4821 | 313bcead | Iustin Pop | def Exec(self, feedback_fn): |
4822 | 313bcead | Iustin Pop | """Move an instance.
|
4823 | 313bcead | Iustin Pop |
|
4824 | 313bcead | Iustin Pop | The move is done by shutting it down on its present node, copying
|
4825 | 313bcead | Iustin Pop | the data over (slow) and starting it on the new node.
|
4826 | 313bcead | Iustin Pop |
|
4827 | 313bcead | Iustin Pop | """
|
4828 | 313bcead | Iustin Pop | instance = self.instance
|
4829 | 313bcead | Iustin Pop | |
4830 | 313bcead | Iustin Pop | source_node = instance.primary_node |
4831 | 313bcead | Iustin Pop | target_node = self.target_node
|
4832 | 313bcead | Iustin Pop | |
4833 | 313bcead | Iustin Pop | self.LogInfo("Shutting down instance %s on source node %s", |
4834 | 313bcead | Iustin Pop | instance.name, source_node) |
4835 | 313bcead | Iustin Pop | |
4836 | 17c3f802 | Guido Trotter | result = self.rpc.call_instance_shutdown(source_node, instance,
|
4837 | 17c3f802 | Guido Trotter | self.shutdown_timeout)
|
4838 | 313bcead | Iustin Pop | msg = result.fail_msg |
4839 | 313bcead | Iustin Pop | if msg:
|
4840 | 313bcead | Iustin Pop | if self.op.ignore_consistency: |
4841 | 313bcead | Iustin Pop | self.proc.LogWarning("Could not shutdown instance %s on node %s." |
4842 | 313bcead | Iustin Pop | " Proceeding anyway. Please make sure node"
|
4843 | 313bcead | Iustin Pop | " %s is down. Error details: %s",
|
4844 | 313bcead | Iustin Pop | instance.name, source_node, source_node, msg) |
4845 | 313bcead | Iustin Pop | else:
|
4846 | 313bcead | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on" |
4847 | 313bcead | Iustin Pop | " node %s: %s" %
|
4848 | 313bcead | Iustin Pop | (instance.name, source_node, msg)) |
4849 | 313bcead | Iustin Pop | |
4850 | 313bcead | Iustin Pop | # create the target disks
|
4851 | 313bcead | Iustin Pop | try:
|
4852 | 313bcead | Iustin Pop | _CreateDisks(self, instance, target_node=target_node)
|
4853 | 313bcead | Iustin Pop | except errors.OpExecError:
|
4854 | 313bcead | Iustin Pop | self.LogWarning("Device creation failed, reverting...") |
4855 | 313bcead | Iustin Pop | try:
|
4856 | 313bcead | Iustin Pop | _RemoveDisks(self, instance, target_node=target_node)
|
4857 | 313bcead | Iustin Pop | finally:
|
4858 | 313bcead | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
4859 | 313bcead | Iustin Pop | raise
|
4860 | 313bcead | Iustin Pop | |
4861 | 313bcead | Iustin Pop | cluster_name = self.cfg.GetClusterInfo().cluster_name
|
4862 | 313bcead | Iustin Pop | |
4863 | 313bcead | Iustin Pop | errs = [] |
4864 | 313bcead | Iustin Pop | # activate, get path, copy the data over
|
4865 | 313bcead | Iustin Pop | for idx, disk in enumerate(instance.disks): |
4866 | 313bcead | Iustin Pop | self.LogInfo("Copying data for disk %d", idx) |
4867 | 313bcead | Iustin Pop | result = self.rpc.call_blockdev_assemble(target_node, disk,
|
4868 | 313bcead | Iustin Pop | instance.name, True)
|
4869 | 313bcead | Iustin Pop | if result.fail_msg:
|
4870 | 313bcead | Iustin Pop | self.LogWarning("Can't assemble newly created disk %d: %s", |
4871 | 313bcead | Iustin Pop | idx, result.fail_msg) |
4872 | 313bcead | Iustin Pop | errs.append(result.fail_msg) |
4873 | 313bcead | Iustin Pop | break
|
4874 | 313bcead | Iustin Pop | dev_path = result.payload |
4875 | 313bcead | Iustin Pop | result = self.rpc.call_blockdev_export(source_node, disk,
|
4876 | 313bcead | Iustin Pop | target_node, dev_path, |
4877 | 313bcead | Iustin Pop | cluster_name) |
4878 | 313bcead | Iustin Pop | if result.fail_msg:
|
4879 | 313bcead | Iustin Pop | self.LogWarning("Can't copy data over for disk %d: %s", |
4880 | 313bcead | Iustin Pop | idx, result.fail_msg) |
4881 | 313bcead | Iustin Pop | errs.append(result.fail_msg) |
4882 | 313bcead | Iustin Pop | break
|
4883 | 313bcead | Iustin Pop | |
4884 | 313bcead | Iustin Pop | if errs:
|
4885 | 313bcead | Iustin Pop | self.LogWarning("Some disks failed to copy, aborting") |
4886 | 313bcead | Iustin Pop | try:
|
4887 | 313bcead | Iustin Pop | _RemoveDisks(self, instance, target_node=target_node)
|
4888 | 313bcead | Iustin Pop | finally:
|
4889 | 313bcead | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
4890 | 313bcead | Iustin Pop | raise errors.OpExecError("Errors during disk copy: %s" % |
4891 | 313bcead | Iustin Pop | (",".join(errs),))
|
4892 | 313bcead | Iustin Pop | |
4893 | 313bcead | Iustin Pop | instance.primary_node = target_node |
4894 | a4eae71f | Michael Hanselmann | self.cfg.Update(instance, feedback_fn)
|
4895 | 313bcead | Iustin Pop | |
4896 | 313bcead | Iustin Pop | self.LogInfo("Removing the disks on the original node") |
4897 | 313bcead | Iustin Pop | _RemoveDisks(self, instance, target_node=source_node)
|
4898 | 313bcead | Iustin Pop | |
4899 | 313bcead | Iustin Pop | # Only start the instance if it's marked as up
|
4900 | 313bcead | Iustin Pop | if instance.admin_up:
|
4901 | 313bcead | Iustin Pop | self.LogInfo("Starting instance %s on node %s", |
4902 | 313bcead | Iustin Pop | instance.name, target_node) |
4903 | 313bcead | Iustin Pop | |
4904 | 313bcead | Iustin Pop | disks_ok, _ = _AssembleInstanceDisks(self, instance,
|
4905 | 313bcead | Iustin Pop | ignore_secondaries=True)
|
4906 | 313bcead | Iustin Pop | if not disks_ok: |
4907 | 313bcead | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
4908 | 313bcead | Iustin Pop | raise errors.OpExecError("Can't activate the instance's disks") |
4909 | 313bcead | Iustin Pop | |
4910 | 313bcead | Iustin Pop | result = self.rpc.call_instance_start(target_node, instance, None, None) |
4911 | 313bcead | Iustin Pop | msg = result.fail_msg |
4912 | 313bcead | Iustin Pop | if msg:
|
4913 | 313bcead | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
4914 | 313bcead | Iustin Pop | raise errors.OpExecError("Could not start instance %s on node %s: %s" % |
4915 | 313bcead | Iustin Pop | (instance.name, target_node, msg)) |
4916 | 313bcead | Iustin Pop | |
4917 | 313bcead | Iustin Pop | |
4918 | 80cb875c | Michael Hanselmann | class LUMigrateNode(LogicalUnit): |
4919 | 80cb875c | Michael Hanselmann | """Migrate all instances from a node.
|
4920 | 80cb875c | Michael Hanselmann |
|
4921 | 80cb875c | Michael Hanselmann | """
|
4922 | 80cb875c | Michael Hanselmann | HPATH = "node-migrate"
|
4923 | 80cb875c | Michael Hanselmann | HTYPE = constants.HTYPE_NODE |
4924 | 80cb875c | Michael Hanselmann | _OP_REQP = ["node_name", "live"] |
4925 | 80cb875c | Michael Hanselmann | REQ_BGL = False
|
4926 | 80cb875c | Michael Hanselmann | |
4927 | 80cb875c | Michael Hanselmann | def ExpandNames(self): |
4928 | 80cb875c | Michael Hanselmann | self.op.node_name = self.cfg.ExpandNodeName(self.op.node_name) |
4929 | 80cb875c | Michael Hanselmann | if self.op.node_name is None: |
4930 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % self.op.node_name, |
4931 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
4932 | 80cb875c | Michael Hanselmann | |
4933 | 80cb875c | Michael Hanselmann | self.needed_locks = {
|
4934 | 80cb875c | Michael Hanselmann | locking.LEVEL_NODE: [self.op.node_name],
|
4935 | 80cb875c | Michael Hanselmann | } |
4936 | 80cb875c | Michael Hanselmann | |
4937 | 80cb875c | Michael Hanselmann | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
|
4938 | 80cb875c | Michael Hanselmann | |
4939 | 80cb875c | Michael Hanselmann | # Create tasklets for migrating instances for all instances on this node
|
4940 | 80cb875c | Michael Hanselmann | names = [] |
4941 | 80cb875c | Michael Hanselmann | tasklets = [] |
4942 | 80cb875c | Michael Hanselmann | |
4943 | 80cb875c | Michael Hanselmann | for inst in _GetNodePrimaryInstances(self.cfg, self.op.node_name): |
4944 | 80cb875c | Michael Hanselmann | logging.debug("Migrating instance %s", inst.name)
|
4945 | 80cb875c | Michael Hanselmann | names.append(inst.name) |
4946 | 80cb875c | Michael Hanselmann | |
4947 | 80cb875c | Michael Hanselmann | tasklets.append(TLMigrateInstance(self, inst.name, self.op.live, False)) |
4948 | 80cb875c | Michael Hanselmann | |
4949 | 80cb875c | Michael Hanselmann | self.tasklets = tasklets
|
4950 | 80cb875c | Michael Hanselmann | |
4951 | 80cb875c | Michael Hanselmann | # Declare instance locks
|
4952 | 80cb875c | Michael Hanselmann | self.needed_locks[locking.LEVEL_INSTANCE] = names
|
4953 | 80cb875c | Michael Hanselmann | |
4954 | 80cb875c | Michael Hanselmann | def DeclareLocks(self, level): |
4955 | 80cb875c | Michael Hanselmann | if level == locking.LEVEL_NODE:
|
4956 | 80cb875c | Michael Hanselmann | self._LockInstancesNodes()
|
4957 | 80cb875c | Michael Hanselmann | |
4958 | 80cb875c | Michael Hanselmann | def BuildHooksEnv(self): |
4959 | 80cb875c | Michael Hanselmann | """Build hooks env.
|
4960 | 80cb875c | Michael Hanselmann |
|
4961 | 80cb875c | Michael Hanselmann | This runs on the master, the primary and all the secondaries.
|
4962 | 80cb875c | Michael Hanselmann |
|
4963 | 80cb875c | Michael Hanselmann | """
|
4964 | 80cb875c | Michael Hanselmann | env = { |
4965 | 80cb875c | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
4966 | 80cb875c | Michael Hanselmann | } |
4967 | 80cb875c | Michael Hanselmann | |
4968 | 80cb875c | Michael Hanselmann | nl = [self.cfg.GetMasterNode()]
|
4969 | 80cb875c | Michael Hanselmann | |
4970 | 80cb875c | Michael Hanselmann | return (env, nl, nl)
|
4971 | 80cb875c | Michael Hanselmann | |
4972 | 80cb875c | Michael Hanselmann | |
4973 | 3e06e001 | Michael Hanselmann | class TLMigrateInstance(Tasklet): |
4974 | 3e06e001 | Michael Hanselmann | def __init__(self, lu, instance_name, live, cleanup): |
4975 | 3e06e001 | Michael Hanselmann | """Initializes this class.
|
4976 | 3e06e001 | Michael Hanselmann |
|
4977 | 3e06e001 | Michael Hanselmann | """
|
4978 | 464243a7 | Michael Hanselmann | Tasklet.__init__(self, lu)
|
4979 | 464243a7 | Michael Hanselmann | |
4980 | 3e06e001 | Michael Hanselmann | # Parameters
|
4981 | 3e06e001 | Michael Hanselmann | self.instance_name = instance_name
|
4982 | 3e06e001 | Michael Hanselmann | self.live = live
|
4983 | 3e06e001 | Michael Hanselmann | self.cleanup = cleanup
|
4984 | 3e06e001 | Michael Hanselmann | |
4985 | 53c776b5 | Iustin Pop | def CheckPrereq(self): |
4986 | 53c776b5 | Iustin Pop | """Check prerequisites.
|
4987 | 53c776b5 | Iustin Pop |
|
4988 | 53c776b5 | Iustin Pop | This checks that the instance is in the cluster.
|
4989 | 53c776b5 | Iustin Pop |
|
4990 | 53c776b5 | Iustin Pop | """
|
4991 | 53c776b5 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
4992 | 3e06e001 | Michael Hanselmann | self.cfg.ExpandInstanceName(self.instance_name)) |
4993 | 53c776b5 | Iustin Pop | if instance is None: |
4994 | 53c776b5 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
4995 | 5c983ee5 | Iustin Pop | self.instance_name, errors.ECODE_NOENT)
|
4996 | 53c776b5 | Iustin Pop | |
4997 | 53c776b5 | Iustin Pop | if instance.disk_template != constants.DT_DRBD8:
|
4998 | 53c776b5 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
4999 | 5c983ee5 | Iustin Pop | " drbd8, cannot migrate.", errors.ECODE_STATE)
|
5000 | 53c776b5 | Iustin Pop | |
5001 | 53c776b5 | Iustin Pop | secondary_nodes = instance.secondary_nodes |
5002 | 53c776b5 | Iustin Pop | if not secondary_nodes: |
5003 | 733a2b6a | Iustin Pop | raise errors.ConfigurationError("No secondary node but using" |
5004 | 733a2b6a | Iustin Pop | " drbd8 disk template")
|
5005 | 53c776b5 | Iustin Pop | |
5006 | 53c776b5 | Iustin Pop | i_be = self.cfg.GetClusterInfo().FillBE(instance)
|
5007 | 53c776b5 | Iustin Pop | |
5008 | 53c776b5 | Iustin Pop | target_node = secondary_nodes[0]
|
5009 | 53c776b5 | Iustin Pop | # check memory requirements on the secondary node
|
5010 | 53c776b5 | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "migrating instance %s" % |
5011 | 53c776b5 | Iustin Pop | instance.name, i_be[constants.BE_MEMORY], |
5012 | 53c776b5 | Iustin Pop | instance.hypervisor) |
5013 | 53c776b5 | Iustin Pop | |
5014 | 53c776b5 | Iustin Pop | # check bridge existance
|
5015 | b165e77e | Guido Trotter | _CheckInstanceBridgesExist(self, instance, node=target_node)
|
5016 | 53c776b5 | Iustin Pop | |
5017 | 3e06e001 | Michael Hanselmann | if not self.cleanup: |
5018 | 733a2b6a | Iustin Pop | _CheckNodeNotDrained(self, target_node)
|
5019 | 53c776b5 | Iustin Pop | result = self.rpc.call_instance_migratable(instance.primary_node,
|
5020 | 53c776b5 | Iustin Pop | instance) |
5021 | 045dd6d9 | Iustin Pop | result.Raise("Can't migrate, please use failover",
|
5022 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_STATE)
|
5023 | 53c776b5 | Iustin Pop | |
5024 | 53c776b5 | Iustin Pop | self.instance = instance
|
5025 | 53c776b5 | Iustin Pop | |
5026 | 53c776b5 | Iustin Pop | def _WaitUntilSync(self): |
5027 | 53c776b5 | Iustin Pop | """Poll with custom rpc for disk sync.
|
5028 | 53c776b5 | Iustin Pop |
|
5029 | 53c776b5 | Iustin Pop | This uses our own step-based rpc call.
|
5030 | 53c776b5 | Iustin Pop |
|
5031 | 53c776b5 | Iustin Pop | """
|
5032 | 53c776b5 | Iustin Pop | self.feedback_fn("* wait until resync is done") |
5033 | 53c776b5 | Iustin Pop | all_done = False
|
5034 | 53c776b5 | Iustin Pop | while not all_done: |
5035 | 53c776b5 | Iustin Pop | all_done = True
|
5036 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_wait_sync(self.all_nodes, |
5037 | 53c776b5 | Iustin Pop | self.nodes_ip,
|
5038 | 53c776b5 | Iustin Pop | self.instance.disks)
|
5039 | 53c776b5 | Iustin Pop | min_percent = 100
|
5040 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
5041 | 4c4e4e1e | Iustin Pop | nres.Raise("Cannot resync disks on node %s" % node)
|
5042 | 0959c824 | Iustin Pop | node_done, node_percent = nres.payload |
5043 | 53c776b5 | Iustin Pop | all_done = all_done and node_done
|
5044 | 53c776b5 | Iustin Pop | if node_percent is not None: |
5045 | 53c776b5 | Iustin Pop | min_percent = min(min_percent, node_percent)
|
5046 | 53c776b5 | Iustin Pop | if not all_done: |
5047 | 53c776b5 | Iustin Pop | if min_percent < 100: |
5048 | 53c776b5 | Iustin Pop | self.feedback_fn(" - progress: %.1f%%" % min_percent) |
5049 | 53c776b5 | Iustin Pop | time.sleep(2)
|
5050 | 53c776b5 | Iustin Pop | |
5051 | 53c776b5 | Iustin Pop | def _EnsureSecondary(self, node): |
5052 | 53c776b5 | Iustin Pop | """Demote a node to secondary.
|
5053 | 53c776b5 | Iustin Pop |
|
5054 | 53c776b5 | Iustin Pop | """
|
5055 | 53c776b5 | Iustin Pop | self.feedback_fn("* switching node %s to secondary mode" % node) |
5056 | 53c776b5 | Iustin Pop | |
5057 | 53c776b5 | Iustin Pop | for dev in self.instance.disks: |
5058 | 53c776b5 | Iustin Pop | self.cfg.SetDiskID(dev, node)
|
5059 | 53c776b5 | Iustin Pop | |
5060 | 53c776b5 | Iustin Pop | result = self.rpc.call_blockdev_close(node, self.instance.name, |
5061 | 53c776b5 | Iustin Pop | self.instance.disks)
|
5062 | 4c4e4e1e | Iustin Pop | result.Raise("Cannot change disk to secondary on node %s" % node)
|
5063 | 53c776b5 | Iustin Pop | |
5064 | 53c776b5 | Iustin Pop | def _GoStandalone(self): |
5065 | 53c776b5 | Iustin Pop | """Disconnect from the network.
|
5066 | 53c776b5 | Iustin Pop |
|
5067 | 53c776b5 | Iustin Pop | """
|
5068 | 53c776b5 | Iustin Pop | self.feedback_fn("* changing into standalone mode") |
5069 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_disconnect_net(self.all_nodes, self.nodes_ip, |
5070 | 53c776b5 | Iustin Pop | self.instance.disks)
|
5071 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
5072 | 4c4e4e1e | Iustin Pop | nres.Raise("Cannot disconnect disks node %s" % node)
|
5073 | 53c776b5 | Iustin Pop | |
5074 | 53c776b5 | Iustin Pop | def _GoReconnect(self, multimaster): |
5075 | 53c776b5 | Iustin Pop | """Reconnect to the network.
|
5076 | 53c776b5 | Iustin Pop |
|
5077 | 53c776b5 | Iustin Pop | """
|
5078 | 53c776b5 | Iustin Pop | if multimaster:
|
5079 | 53c776b5 | Iustin Pop | msg = "dual-master"
|
5080 | 53c776b5 | Iustin Pop | else:
|
5081 | 53c776b5 | Iustin Pop | msg = "single-master"
|
5082 | 53c776b5 | Iustin Pop | self.feedback_fn("* changing disks into %s mode" % msg) |
5083 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_attach_net(self.all_nodes, self.nodes_ip, |
5084 | 53c776b5 | Iustin Pop | self.instance.disks,
|
5085 | 53c776b5 | Iustin Pop | self.instance.name, multimaster)
|
5086 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
5087 | 4c4e4e1e | Iustin Pop | nres.Raise("Cannot change disks config on node %s" % node)
|
5088 | 53c776b5 | Iustin Pop | |
5089 | 53c776b5 | Iustin Pop | def _ExecCleanup(self): |
5090 | 53c776b5 | Iustin Pop | """Try to cleanup after a failed migration.
|
5091 | 53c776b5 | Iustin Pop |
|
5092 | 53c776b5 | Iustin Pop | The cleanup is done by:
|
5093 | 53c776b5 | Iustin Pop | - check that the instance is running only on one node
|
5094 | 53c776b5 | Iustin Pop | (and update the config if needed)
|
5095 | 53c776b5 | Iustin Pop | - change disks on its secondary node to secondary
|
5096 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized
|
5097 | 53c776b5 | Iustin Pop | - disconnect from the network
|
5098 | 53c776b5 | Iustin Pop | - change disks into single-master mode
|
5099 | 53c776b5 | Iustin Pop | - wait again until disks are fully synchronized
|
5100 | 53c776b5 | Iustin Pop |
|
5101 | 53c776b5 | Iustin Pop | """
|
5102 | 53c776b5 | Iustin Pop | instance = self.instance
|
5103 | 53c776b5 | Iustin Pop | target_node = self.target_node
|
5104 | 53c776b5 | Iustin Pop | source_node = self.source_node
|
5105 | 53c776b5 | Iustin Pop | |
5106 | 53c776b5 | Iustin Pop | # check running on only one node
|
5107 | 53c776b5 | Iustin Pop | self.feedback_fn("* checking where the instance actually runs" |
5108 | 53c776b5 | Iustin Pop | " (if this hangs, the hypervisor might be in"
|
5109 | 53c776b5 | Iustin Pop | " a bad state)")
|
5110 | 53c776b5 | Iustin Pop | ins_l = self.rpc.call_instance_list(self.all_nodes, [instance.hypervisor]) |
5111 | 53c776b5 | Iustin Pop | for node, result in ins_l.items(): |
5112 | 4c4e4e1e | Iustin Pop | result.Raise("Can't contact node %s" % node)
|
5113 | 53c776b5 | Iustin Pop | |
5114 | aca13712 | Iustin Pop | runningon_source = instance.name in ins_l[source_node].payload
|
5115 | aca13712 | Iustin Pop | runningon_target = instance.name in ins_l[target_node].payload
|
5116 | 53c776b5 | Iustin Pop | |
5117 | 53c776b5 | Iustin Pop | if runningon_source and runningon_target: |
5118 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Instance seems to be running on two nodes," |
5119 | 53c776b5 | Iustin Pop | " or the hypervisor is confused. You will have"
|
5120 | 53c776b5 | Iustin Pop | " to ensure manually that it runs only on one"
|
5121 | 53c776b5 | Iustin Pop | " and restart this operation.")
|
5122 | 53c776b5 | Iustin Pop | |
5123 | 53c776b5 | Iustin Pop | if not (runningon_source or runningon_target): |
5124 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Instance does not seem to be running at all." |
5125 | 53c776b5 | Iustin Pop | " In this case, it's safer to repair by"
|
5126 | 53c776b5 | Iustin Pop | " running 'gnt-instance stop' to ensure disk"
|
5127 | 53c776b5 | Iustin Pop | " shutdown, and then restarting it.")
|
5128 | 53c776b5 | Iustin Pop | |
5129 | 53c776b5 | Iustin Pop | if runningon_target:
|
5130 | 53c776b5 | Iustin Pop | # the migration has actually succeeded, we need to update the config
|
5131 | 53c776b5 | Iustin Pop | self.feedback_fn("* instance running on secondary node (%s)," |
5132 | 53c776b5 | Iustin Pop | " updating config" % target_node)
|
5133 | 53c776b5 | Iustin Pop | instance.primary_node = target_node |
5134 | a4eae71f | Michael Hanselmann | self.cfg.Update(instance, self.feedback_fn) |
5135 | 53c776b5 | Iustin Pop | demoted_node = source_node |
5136 | 53c776b5 | Iustin Pop | else:
|
5137 | 53c776b5 | Iustin Pop | self.feedback_fn("* instance confirmed to be running on its" |
5138 | 53c776b5 | Iustin Pop | " primary node (%s)" % source_node)
|
5139 | 53c776b5 | Iustin Pop | demoted_node = target_node |
5140 | 53c776b5 | Iustin Pop | |
5141 | 53c776b5 | Iustin Pop | self._EnsureSecondary(demoted_node)
|
5142 | 53c776b5 | Iustin Pop | try:
|
5143 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
5144 | 53c776b5 | Iustin Pop | except errors.OpExecError:
|
5145 | 53c776b5 | Iustin Pop | # we ignore here errors, since if the device is standalone, it
|
5146 | 53c776b5 | Iustin Pop | # won't be able to sync
|
5147 | 53c776b5 | Iustin Pop | pass
|
5148 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
5149 | 53c776b5 | Iustin Pop | self._GoReconnect(False) |
5150 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
5151 | 53c776b5 | Iustin Pop | |
5152 | 53c776b5 | Iustin Pop | self.feedback_fn("* done") |
5153 | 53c776b5 | Iustin Pop | |
5154 | 6906a9d8 | Guido Trotter | def _RevertDiskStatus(self): |
5155 | 6906a9d8 | Guido Trotter | """Try to revert the disk status after a failed migration.
|
5156 | 6906a9d8 | Guido Trotter |
|
5157 | 6906a9d8 | Guido Trotter | """
|
5158 | 6906a9d8 | Guido Trotter | target_node = self.target_node
|
5159 | 6906a9d8 | Guido Trotter | try:
|
5160 | 6906a9d8 | Guido Trotter | self._EnsureSecondary(target_node)
|
5161 | 6906a9d8 | Guido Trotter | self._GoStandalone()
|
5162 | 6906a9d8 | Guido Trotter | self._GoReconnect(False) |
5163 | 6906a9d8 | Guido Trotter | self._WaitUntilSync()
|
5164 | 6906a9d8 | Guido Trotter | except errors.OpExecError, err:
|
5165 | 3e06e001 | Michael Hanselmann | self.lu.LogWarning("Migration failed and I can't reconnect the" |
5166 | 3e06e001 | Michael Hanselmann | " drives: error '%s'\n"
|
5167 | 3e06e001 | Michael Hanselmann | "Please look and recover the instance status" %
|
5168 | 3e06e001 | Michael Hanselmann | str(err))
|
5169 | 6906a9d8 | Guido Trotter | |
5170 | 6906a9d8 | Guido Trotter | def _AbortMigration(self): |
5171 | 6906a9d8 | Guido Trotter | """Call the hypervisor code to abort a started migration.
|
5172 | 6906a9d8 | Guido Trotter |
|
5173 | 6906a9d8 | Guido Trotter | """
|
5174 | 6906a9d8 | Guido Trotter | instance = self.instance
|
5175 | 6906a9d8 | Guido Trotter | target_node = self.target_node
|
5176 | 6906a9d8 | Guido Trotter | migration_info = self.migration_info
|
5177 | 6906a9d8 | Guido Trotter | |
5178 | 6906a9d8 | Guido Trotter | abort_result = self.rpc.call_finalize_migration(target_node,
|
5179 | 6906a9d8 | Guido Trotter | instance, |
5180 | 6906a9d8 | Guido Trotter | migration_info, |
5181 | 6906a9d8 | Guido Trotter | False)
|
5182 | 4c4e4e1e | Iustin Pop | abort_msg = abort_result.fail_msg |
5183 | 6906a9d8 | Guido Trotter | if abort_msg:
|
5184 | 099c52ad | Iustin Pop | logging.error("Aborting migration failed on target node %s: %s",
|
5185 | 099c52ad | Iustin Pop | target_node, abort_msg) |
5186 | 6906a9d8 | Guido Trotter | # Don't raise an exception here, as we stil have to try to revert the
|
5187 | 6906a9d8 | Guido Trotter | # disk status, even if this step failed.
|
5188 | 6906a9d8 | Guido Trotter | |
5189 | 53c776b5 | Iustin Pop | def _ExecMigration(self): |
5190 | 53c776b5 | Iustin Pop | """Migrate an instance.
|
5191 | 53c776b5 | Iustin Pop |
|
5192 | 53c776b5 | Iustin Pop | The migrate is done by:
|
5193 | 53c776b5 | Iustin Pop | - change the disks into dual-master mode
|
5194 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized again
|
5195 | 53c776b5 | Iustin Pop | - migrate the instance
|
5196 | 53c776b5 | Iustin Pop | - change disks on the new secondary node (the old primary) to secondary
|
5197 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized
|
5198 | 53c776b5 | Iustin Pop | - change disks into single-master mode
|
5199 | 53c776b5 | Iustin Pop |
|
5200 | 53c776b5 | Iustin Pop | """
|
5201 | 53c776b5 | Iustin Pop | instance = self.instance
|
5202 | 53c776b5 | Iustin Pop | target_node = self.target_node
|
5203 | 53c776b5 | Iustin Pop | source_node = self.source_node
|
5204 | 53c776b5 | Iustin Pop | |
5205 | 53c776b5 | Iustin Pop | self.feedback_fn("* checking disk consistency between source and target") |
5206 | 53c776b5 | Iustin Pop | for dev in instance.disks: |
5207 | 53c776b5 | Iustin Pop | if not _CheckDiskConsistency(self, dev, target_node, False): |
5208 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded or not fully" |
5209 | 53c776b5 | Iustin Pop | " synchronized on target node,"
|
5210 | 53c776b5 | Iustin Pop | " aborting migrate." % dev.iv_name)
|
5211 | 53c776b5 | Iustin Pop | |
5212 | 6906a9d8 | Guido Trotter | # First get the migration information from the remote node
|
5213 | 6906a9d8 | Guido Trotter | result = self.rpc.call_migration_info(source_node, instance)
|
5214 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
5215 | 6906a9d8 | Guido Trotter | if msg:
|
5216 | 6906a9d8 | Guido Trotter | log_err = ("Failed fetching source migration information from %s: %s" %
|
5217 | 0959c824 | Iustin Pop | (source_node, msg)) |
5218 | 6906a9d8 | Guido Trotter | logging.error(log_err) |
5219 | 6906a9d8 | Guido Trotter | raise errors.OpExecError(log_err)
|
5220 | 6906a9d8 | Guido Trotter | |
5221 | 0959c824 | Iustin Pop | self.migration_info = migration_info = result.payload
|
5222 | 6906a9d8 | Guido Trotter | |
5223 | 6906a9d8 | Guido Trotter | # Then switch the disks to master/master mode
|
5224 | 53c776b5 | Iustin Pop | self._EnsureSecondary(target_node)
|
5225 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
5226 | 53c776b5 | Iustin Pop | self._GoReconnect(True) |
5227 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
5228 | 53c776b5 | Iustin Pop | |
5229 | 6906a9d8 | Guido Trotter | self.feedback_fn("* preparing %s to accept the instance" % target_node) |
5230 | 6906a9d8 | Guido Trotter | result = self.rpc.call_accept_instance(target_node,
|
5231 | 6906a9d8 | Guido Trotter | instance, |
5232 | 6906a9d8 | Guido Trotter | migration_info, |
5233 | 6906a9d8 | Guido Trotter | self.nodes_ip[target_node])
|
5234 | 6906a9d8 | Guido Trotter | |
5235 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
5236 | 6906a9d8 | Guido Trotter | if msg:
|
5237 | 6906a9d8 | Guido Trotter | logging.error("Instance pre-migration failed, trying to revert"
|
5238 | 6906a9d8 | Guido Trotter | " disk status: %s", msg)
|
5239 | 78212a5d | Iustin Pop | self.feedback_fn("Pre-migration failed, aborting") |
5240 | 6906a9d8 | Guido Trotter | self._AbortMigration()
|
5241 | 6906a9d8 | Guido Trotter | self._RevertDiskStatus()
|
5242 | 6906a9d8 | Guido Trotter | raise errors.OpExecError("Could not pre-migrate instance %s: %s" % |
5243 | 6906a9d8 | Guido Trotter | (instance.name, msg)) |
5244 | 6906a9d8 | Guido Trotter | |
5245 | 53c776b5 | Iustin Pop | self.feedback_fn("* migrating instance to %s" % target_node) |
5246 | 53c776b5 | Iustin Pop | time.sleep(10)
|
5247 | 53c776b5 | Iustin Pop | result = self.rpc.call_instance_migrate(source_node, instance,
|
5248 | 53c776b5 | Iustin Pop | self.nodes_ip[target_node],
|
5249 | 3e06e001 | Michael Hanselmann | self.live)
|
5250 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
5251 | 53c776b5 | Iustin Pop | if msg:
|
5252 | 53c776b5 | Iustin Pop | logging.error("Instance migration failed, trying to revert"
|
5253 | 53c776b5 | Iustin Pop | " disk status: %s", msg)
|
5254 | 78212a5d | Iustin Pop | self.feedback_fn("Migration failed, aborting") |
5255 | 6906a9d8 | Guido Trotter | self._AbortMigration()
|
5256 | 6906a9d8 | Guido Trotter | self._RevertDiskStatus()
|
5257 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Could not migrate instance %s: %s" % |
5258 | 53c776b5 | Iustin Pop | (instance.name, msg)) |
5259 | 53c776b5 | Iustin Pop | time.sleep(10)
|
5260 | 53c776b5 | Iustin Pop | |
5261 | 53c776b5 | Iustin Pop | instance.primary_node = target_node |
5262 | 53c776b5 | Iustin Pop | # distribute new instance config to the other nodes
|
5263 | a4eae71f | Michael Hanselmann | self.cfg.Update(instance, self.feedback_fn) |
5264 | 53c776b5 | Iustin Pop | |
5265 | 6906a9d8 | Guido Trotter | result = self.rpc.call_finalize_migration(target_node,
|
5266 | 6906a9d8 | Guido Trotter | instance, |
5267 | 6906a9d8 | Guido Trotter | migration_info, |
5268 | 6906a9d8 | Guido Trotter | True)
|
5269 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
5270 | 6906a9d8 | Guido Trotter | if msg:
|
5271 | 6906a9d8 | Guido Trotter | logging.error("Instance migration succeeded, but finalization failed:"
|
5272 | 099c52ad | Iustin Pop | " %s", msg)
|
5273 | 6906a9d8 | Guido Trotter | raise errors.OpExecError("Could not finalize instance migration: %s" % |
5274 | 6906a9d8 | Guido Trotter | msg) |
5275 | 6906a9d8 | Guido Trotter | |
5276 | 53c776b5 | Iustin Pop | self._EnsureSecondary(source_node)
|
5277 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
5278 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
5279 | 53c776b5 | Iustin Pop | self._GoReconnect(False) |
5280 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
5281 | 53c776b5 | Iustin Pop | |
5282 | 53c776b5 | Iustin Pop | self.feedback_fn("* done") |
5283 | 53c776b5 | Iustin Pop | |
5284 | 53c776b5 | Iustin Pop | def Exec(self, feedback_fn): |
5285 | 53c776b5 | Iustin Pop | """Perform the migration.
|
5286 | 53c776b5 | Iustin Pop |
|
5287 | 53c776b5 | Iustin Pop | """
|
5288 | 80cb875c | Michael Hanselmann | feedback_fn("Migrating instance %s" % self.instance.name) |
5289 | 80cb875c | Michael Hanselmann | |
5290 | 53c776b5 | Iustin Pop | self.feedback_fn = feedback_fn
|
5291 | 53c776b5 | Iustin Pop | |
5292 | 53c776b5 | Iustin Pop | self.source_node = self.instance.primary_node |
5293 | 53c776b5 | Iustin Pop | self.target_node = self.instance.secondary_nodes[0] |
5294 | 53c776b5 | Iustin Pop | self.all_nodes = [self.source_node, self.target_node] |
5295 | 53c776b5 | Iustin Pop | self.nodes_ip = {
|
5296 | 53c776b5 | Iustin Pop | self.source_node: self.cfg.GetNodeInfo(self.source_node).secondary_ip, |
5297 | 53c776b5 | Iustin Pop | self.target_node: self.cfg.GetNodeInfo(self.target_node).secondary_ip, |
5298 | 53c776b5 | Iustin Pop | } |
5299 | 3e06e001 | Michael Hanselmann | |
5300 | 3e06e001 | Michael Hanselmann | if self.cleanup: |
5301 | 53c776b5 | Iustin Pop | return self._ExecCleanup() |
5302 | 53c776b5 | Iustin Pop | else:
|
5303 | 53c776b5 | Iustin Pop | return self._ExecMigration() |
5304 | 53c776b5 | Iustin Pop | |
5305 | 53c776b5 | Iustin Pop | |
5306 | 428958aa | Iustin Pop | def _CreateBlockDev(lu, node, instance, device, force_create, |
5307 | 428958aa | Iustin Pop | info, force_open): |
5308 | 428958aa | Iustin Pop | """Create a tree of block devices on a given node.
|
5309 | a8083063 | Iustin Pop |
|
5310 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
5311 | a8083063 | Iustin Pop | all its children.
|
5312 | a8083063 | Iustin Pop |
|
5313 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
5314 | a8083063 | Iustin Pop |
|
5315 | 428958aa | Iustin Pop | @param lu: the lu on whose behalf we execute
|
5316 | 428958aa | Iustin Pop | @param node: the node on which to create the device
|
5317 | 428958aa | Iustin Pop | @type instance: L{objects.Instance}
|
5318 | 428958aa | Iustin Pop | @param instance: the instance which owns the device
|
5319 | 428958aa | Iustin Pop | @type device: L{objects.Disk}
|
5320 | 428958aa | Iustin Pop | @param device: the device to create
|
5321 | 428958aa | Iustin Pop | @type force_create: boolean
|
5322 | 428958aa | Iustin Pop | @param force_create: whether to force creation of this device; this
|
5323 | 428958aa | Iustin Pop | will be change to True whenever we find a device which has
|
5324 | 428958aa | Iustin Pop | CreateOnSecondary() attribute
|
5325 | 428958aa | Iustin Pop | @param info: the extra 'metadata' we should attach to the device
|
5326 | 428958aa | Iustin Pop | (this will be represented as a LVM tag)
|
5327 | 428958aa | Iustin Pop | @type force_open: boolean
|
5328 | 428958aa | Iustin Pop | @param force_open: this parameter will be passes to the
|
5329 | 821d1bd1 | Iustin Pop | L{backend.BlockdevCreate} function where it specifies
|
5330 | 428958aa | Iustin Pop | whether we run on primary or not, and it affects both
|
5331 | 428958aa | Iustin Pop | the child assembly and the device own Open() execution
|
5332 | 428958aa | Iustin Pop |
|
5333 | a8083063 | Iustin Pop | """
|
5334 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
5335 | 428958aa | Iustin Pop | force_create = True
|
5336 | 796cab27 | Iustin Pop | |
5337 | a8083063 | Iustin Pop | if device.children:
|
5338 | a8083063 | Iustin Pop | for child in device.children: |
5339 | 428958aa | Iustin Pop | _CreateBlockDev(lu, node, instance, child, force_create, |
5340 | 428958aa | Iustin Pop | info, force_open) |
5341 | a8083063 | Iustin Pop | |
5342 | 428958aa | Iustin Pop | if not force_create: |
5343 | 796cab27 | Iustin Pop | return
|
5344 | 796cab27 | Iustin Pop | |
5345 | de12473a | Iustin Pop | _CreateSingleBlockDev(lu, node, instance, device, info, force_open) |
5346 | de12473a | Iustin Pop | |
5347 | de12473a | Iustin Pop | |
5348 | de12473a | Iustin Pop | def _CreateSingleBlockDev(lu, node, instance, device, info, force_open): |
5349 | de12473a | Iustin Pop | """Create a single block device on a given node.
|
5350 | de12473a | Iustin Pop |
|
5351 | de12473a | Iustin Pop | This will not recurse over children of the device, so they must be
|
5352 | de12473a | Iustin Pop | created in advance.
|
5353 | de12473a | Iustin Pop |
|
5354 | de12473a | Iustin Pop | @param lu: the lu on whose behalf we execute
|
5355 | de12473a | Iustin Pop | @param node: the node on which to create the device
|
5356 | de12473a | Iustin Pop | @type instance: L{objects.Instance}
|
5357 | de12473a | Iustin Pop | @param instance: the instance which owns the device
|
5358 | de12473a | Iustin Pop | @type device: L{objects.Disk}
|
5359 | de12473a | Iustin Pop | @param device: the device to create
|
5360 | de12473a | Iustin Pop | @param info: the extra 'metadata' we should attach to the device
|
5361 | de12473a | Iustin Pop | (this will be represented as a LVM tag)
|
5362 | de12473a | Iustin Pop | @type force_open: boolean
|
5363 | de12473a | Iustin Pop | @param force_open: this parameter will be passes to the
|
5364 | 821d1bd1 | Iustin Pop | L{backend.BlockdevCreate} function where it specifies
|
5365 | de12473a | Iustin Pop | whether we run on primary or not, and it affects both
|
5366 | de12473a | Iustin Pop | the child assembly and the device own Open() execution
|
5367 | de12473a | Iustin Pop |
|
5368 | de12473a | Iustin Pop | """
|
5369 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(device, node) |
5370 | 7d81697f | Iustin Pop | result = lu.rpc.call_blockdev_create(node, device, device.size, |
5371 | 428958aa | Iustin Pop | instance.name, force_open, info) |
5372 | 4c4e4e1e | Iustin Pop | result.Raise("Can't create block device %s on"
|
5373 | 4c4e4e1e | Iustin Pop | " node %s for instance %s" % (device, node, instance.name))
|
5374 | a8083063 | Iustin Pop | if device.physical_id is None: |
5375 | 0959c824 | Iustin Pop | device.physical_id = result.payload |
5376 | a8083063 | Iustin Pop | |
5377 | a8083063 | Iustin Pop | |
5378 | b9bddb6b | Iustin Pop | def _GenerateUniqueNames(lu, exts): |
5379 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
5380 | 923b1523 | Iustin Pop |
|
5381 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
5382 | 923b1523 | Iustin Pop |
|
5383 | 923b1523 | Iustin Pop | """
|
5384 | 923b1523 | Iustin Pop | results = [] |
5385 | 923b1523 | Iustin Pop | for val in exts: |
5386 | 4fae38c5 | Guido Trotter | new_id = lu.cfg.GenerateUniqueID(lu.proc.GetECId()) |
5387 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
5388 | 923b1523 | Iustin Pop | return results
|
5389 | 923b1523 | Iustin Pop | |
5390 | 923b1523 | Iustin Pop | |
5391 | b9bddb6b | Iustin Pop | def _GenerateDRBD8Branch(lu, primary, secondary, size, names, iv_name, |
5392 | ffa1c0dc | Iustin Pop | p_minor, s_minor): |
5393 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
5394 | a1f445d3 | Iustin Pop |
|
5395 | a1f445d3 | Iustin Pop | """
|
5396 | b9bddb6b | Iustin Pop | port = lu.cfg.AllocatePort() |
5397 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
5398 | afa1386e | Guido Trotter | shared_secret = lu.cfg.GenerateDRBDSecret(lu.proc.GetECId()) |
5399 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
5400 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
5401 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
5402 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
5403 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
5404 | ffa1c0dc | Iustin Pop | logical_id=(primary, secondary, port, |
5405 | f9518d38 | Iustin Pop | p_minor, s_minor, |
5406 | f9518d38 | Iustin Pop | shared_secret), |
5407 | ffa1c0dc | Iustin Pop | children=[dev_data, dev_meta], |
5408 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
5409 | a1f445d3 | Iustin Pop | return drbd_dev
|
5410 | a1f445d3 | Iustin Pop | |
5411 | 7c0d6283 | Michael Hanselmann | |
5412 | b9bddb6b | Iustin Pop | def _GenerateDiskTemplate(lu, template_name, |
5413 | a8083063 | Iustin Pop | instance_name, primary_node, |
5414 | 08db7c5c | Iustin Pop | secondary_nodes, disk_info, |
5415 | e2a65344 | Iustin Pop | file_storage_dir, file_driver, |
5416 | e2a65344 | Iustin Pop | base_index): |
5417 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
5418 | a8083063 | Iustin Pop |
|
5419 | a8083063 | Iustin Pop | """
|
5420 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
5421 | a8083063 | Iustin Pop | |
5422 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
5423 | 08db7c5c | Iustin Pop | disk_count = len(disk_info)
|
5424 | 08db7c5c | Iustin Pop | disks = [] |
5425 | 3517d9b9 | Manuel Franceschini | if template_name == constants.DT_DISKLESS:
|
5426 | 08db7c5c | Iustin Pop | pass
|
5427 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_PLAIN:
|
5428 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
5429 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
5430 | 923b1523 | Iustin Pop | |
5431 | fb4b324b | Guido Trotter | names = _GenerateUniqueNames(lu, [".disk%d" % (base_index + i)
|
5432 | 08db7c5c | Iustin Pop | for i in range(disk_count)]) |
5433 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
5434 | e2a65344 | Iustin Pop | disk_index = idx + base_index |
5435 | 08db7c5c | Iustin Pop | disk_dev = objects.Disk(dev_type=constants.LD_LV, size=disk["size"],
|
5436 | 08db7c5c | Iustin Pop | logical_id=(vgname, names[idx]), |
5437 | 6ec66eae | Iustin Pop | iv_name="disk/%d" % disk_index,
|
5438 | 6ec66eae | Iustin Pop | mode=disk["mode"])
|
5439 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
5440 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
5441 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
5442 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
5443 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
5444 | 08db7c5c | Iustin Pop | minors = lu.cfg.AllocateDRBDMinor( |
5445 | 08db7c5c | Iustin Pop | [primary_node, remote_node] * len(disk_info), instance_name)
|
5446 | 08db7c5c | Iustin Pop | |
5447 | e6c1ff2f | Iustin Pop | names = [] |
5448 | fb4b324b | Guido Trotter | for lv_prefix in _GenerateUniqueNames(lu, [".disk%d" % (base_index + i) |
5449 | e6c1ff2f | Iustin Pop | for i in range(disk_count)]): |
5450 | e6c1ff2f | Iustin Pop | names.append(lv_prefix + "_data")
|
5451 | e6c1ff2f | Iustin Pop | names.append(lv_prefix + "_meta")
|
5452 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
5453 | 112050d9 | Iustin Pop | disk_index = idx + base_index |
5454 | 08db7c5c | Iustin Pop | disk_dev = _GenerateDRBD8Branch(lu, primary_node, remote_node, |
5455 | 08db7c5c | Iustin Pop | disk["size"], names[idx*2:idx*2+2], |
5456 | e2a65344 | Iustin Pop | "disk/%d" % disk_index,
|
5457 | 08db7c5c | Iustin Pop | minors[idx*2], minors[idx*2+1]) |
5458 | 6ec66eae | Iustin Pop | disk_dev.mode = disk["mode"]
|
5459 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
5460 | 0f1a06e3 | Manuel Franceschini | elif template_name == constants.DT_FILE:
|
5461 | 0f1a06e3 | Manuel Franceschini | if len(secondary_nodes) != 0: |
5462 | 0f1a06e3 | Manuel Franceschini | raise errors.ProgrammerError("Wrong template configuration") |
5463 | 0f1a06e3 | Manuel Franceschini | |
5464 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
5465 | 112050d9 | Iustin Pop | disk_index = idx + base_index |
5466 | 08db7c5c | Iustin Pop | disk_dev = objects.Disk(dev_type=constants.LD_FILE, size=disk["size"],
|
5467 | e2a65344 | Iustin Pop | iv_name="disk/%d" % disk_index,
|
5468 | 08db7c5c | Iustin Pop | logical_id=(file_driver, |
5469 | 08db7c5c | Iustin Pop | "%s/disk%d" % (file_storage_dir,
|
5470 | 43e99cff | Guido Trotter | disk_index)), |
5471 | 6ec66eae | Iustin Pop | mode=disk["mode"])
|
5472 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
5473 | a8083063 | Iustin Pop | else:
|
5474 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
5475 | a8083063 | Iustin Pop | return disks
|
5476 | a8083063 | Iustin Pop | |
5477 | a8083063 | Iustin Pop | |
5478 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
5479 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
5480 | 3ecf6786 | Iustin Pop |
|
5481 | 3ecf6786 | Iustin Pop | """
|
5482 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
5483 | a0c3fea1 | Michael Hanselmann | |
5484 | a0c3fea1 | Michael Hanselmann | |
5485 | 621b7678 | Iustin Pop | def _CreateDisks(lu, instance, to_skip=None, target_node=None): |
5486 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
5487 | a8083063 | Iustin Pop |
|
5488 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
5489 | a8083063 | Iustin Pop |
|
5490 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
5491 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
5492 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
5493 | e4376078 | Iustin Pop | @param instance: the instance whose disks we should create
|
5494 | bd315bfa | Iustin Pop | @type to_skip: list
|
5495 | bd315bfa | Iustin Pop | @param to_skip: list of indices to skip
|
5496 | 621b7678 | Iustin Pop | @type target_node: string
|
5497 | 621b7678 | Iustin Pop | @param target_node: if passed, overrides the target node for creation
|
5498 | e4376078 | Iustin Pop | @rtype: boolean
|
5499 | e4376078 | Iustin Pop | @return: the success of the creation
|
5500 | a8083063 | Iustin Pop |
|
5501 | a8083063 | Iustin Pop | """
|
5502 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
5503 | 621b7678 | Iustin Pop | if target_node is None: |
5504 | 621b7678 | Iustin Pop | pnode = instance.primary_node |
5505 | 621b7678 | Iustin Pop | all_nodes = instance.all_nodes |
5506 | 621b7678 | Iustin Pop | else:
|
5507 | 621b7678 | Iustin Pop | pnode = target_node |
5508 | 621b7678 | Iustin Pop | all_nodes = [pnode] |
5509 | a0c3fea1 | Michael Hanselmann | |
5510 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
5511 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
5512 | 428958aa | Iustin Pop | result = lu.rpc.call_file_storage_dir_create(pnode, file_storage_dir) |
5513 | 0f1a06e3 | Manuel Franceschini | |
5514 | 4c4e4e1e | Iustin Pop | result.Raise("Failed to create directory '%s' on"
|
5515 | 9b4127eb | Guido Trotter | " node %s" % (file_storage_dir, pnode))
|
5516 | 0f1a06e3 | Manuel Franceschini | |
5517 | 24991749 | Iustin Pop | # Note: this needs to be kept in sync with adding of disks in
|
5518 | 24991749 | Iustin Pop | # LUSetInstanceParams
|
5519 | bd315bfa | Iustin Pop | for idx, device in enumerate(instance.disks): |
5520 | bd315bfa | Iustin Pop | if to_skip and idx in to_skip: |
5521 | bd315bfa | Iustin Pop | continue
|
5522 | 9a4f63d1 | Iustin Pop | logging.info("Creating volume %s for instance %s",
|
5523 | 9a4f63d1 | Iustin Pop | device.iv_name, instance.name) |
5524 | a8083063 | Iustin Pop | #HARDCODE
|
5525 | 621b7678 | Iustin Pop | for node in all_nodes: |
5526 | 428958aa | Iustin Pop | f_create = node == pnode |
5527 | 428958aa | Iustin Pop | _CreateBlockDev(lu, node, instance, device, f_create, info, f_create) |
5528 | a8083063 | Iustin Pop | |
5529 | a8083063 | Iustin Pop | |
5530 | 621b7678 | Iustin Pop | def _RemoveDisks(lu, instance, target_node=None): |
5531 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
5532 | a8083063 | Iustin Pop |
|
5533 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
5534 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
5535 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
5536 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
5537 | a8083063 | Iustin Pop |
|
5538 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
5539 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
5540 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
5541 | e4376078 | Iustin Pop | @param instance: the instance whose disks we should remove
|
5542 | 621b7678 | Iustin Pop | @type target_node: string
|
5543 | 621b7678 | Iustin Pop | @param target_node: used to override the node on which to remove the disks
|
5544 | e4376078 | Iustin Pop | @rtype: boolean
|
5545 | e4376078 | Iustin Pop | @return: the success of the removal
|
5546 | a8083063 | Iustin Pop |
|
5547 | a8083063 | Iustin Pop | """
|
5548 | 9a4f63d1 | Iustin Pop | logging.info("Removing block devices for instance %s", instance.name)
|
5549 | a8083063 | Iustin Pop | |
5550 | e1bc0878 | Iustin Pop | all_result = True
|
5551 | a8083063 | Iustin Pop | for device in instance.disks: |
5552 | 621b7678 | Iustin Pop | if target_node:
|
5553 | 621b7678 | Iustin Pop | edata = [(target_node, device)] |
5554 | 621b7678 | Iustin Pop | else:
|
5555 | 621b7678 | Iustin Pop | edata = device.ComputeNodeTree(instance.primary_node) |
5556 | 621b7678 | Iustin Pop | for node, disk in edata: |
5557 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, node) |
5558 | 4c4e4e1e | Iustin Pop | msg = lu.rpc.call_blockdev_remove(node, disk).fail_msg |
5559 | e1bc0878 | Iustin Pop | if msg:
|
5560 | e1bc0878 | Iustin Pop | lu.LogWarning("Could not remove block device %s on node %s,"
|
5561 | e1bc0878 | Iustin Pop | " continuing anyway: %s", device.iv_name, node, msg)
|
5562 | e1bc0878 | Iustin Pop | all_result = False
|
5563 | 0f1a06e3 | Manuel Franceschini | |
5564 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
5565 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
5566 | dfc2a24c | Guido Trotter | if target_node:
|
5567 | dfc2a24c | Guido Trotter | tgt = target_node |
5568 | 621b7678 | Iustin Pop | else:
|
5569 | dfc2a24c | Guido Trotter | tgt = instance.primary_node |
5570 | 621b7678 | Iustin Pop | result = lu.rpc.call_file_storage_dir_remove(tgt, file_storage_dir) |
5571 | 621b7678 | Iustin Pop | if result.fail_msg:
|
5572 | b2b8bcce | Iustin Pop | lu.LogWarning("Could not remove directory '%s' on node %s: %s",
|
5573 | 621b7678 | Iustin Pop | file_storage_dir, instance.primary_node, result.fail_msg) |
5574 | e1bc0878 | Iustin Pop | all_result = False
|
5575 | 0f1a06e3 | Manuel Franceschini | |
5576 | e1bc0878 | Iustin Pop | return all_result
|
5577 | a8083063 | Iustin Pop | |
5578 | a8083063 | Iustin Pop | |
5579 | 08db7c5c | Iustin Pop | def _ComputeDiskSize(disk_template, disks): |
5580 | e2fe6369 | Iustin Pop | """Compute disk size requirements in the volume group
|
5581 | e2fe6369 | Iustin Pop |
|
5582 | e2fe6369 | Iustin Pop | """
|
5583 | e2fe6369 | Iustin Pop | # Required free disk space as a function of disk and swap space
|
5584 | e2fe6369 | Iustin Pop | req_size_dict = { |
5585 | e2fe6369 | Iustin Pop | constants.DT_DISKLESS: None,
|
5586 | 08db7c5c | Iustin Pop | constants.DT_PLAIN: sum(d["size"] for d in disks), |
5587 | 08db7c5c | Iustin Pop | # 128 MB are added for drbd metadata for each disk
|
5588 | 08db7c5c | Iustin Pop | constants.DT_DRBD8: sum(d["size"] + 128 for d in disks), |
5589 | e2fe6369 | Iustin Pop | constants.DT_FILE: None,
|
5590 | e2fe6369 | Iustin Pop | } |
5591 | e2fe6369 | Iustin Pop | |
5592 | e2fe6369 | Iustin Pop | if disk_template not in req_size_dict: |
5593 | e2fe6369 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
5594 | e2fe6369 | Iustin Pop | " is unknown" % disk_template)
|
5595 | e2fe6369 | Iustin Pop | |
5596 | e2fe6369 | Iustin Pop | return req_size_dict[disk_template]
|
5597 | e2fe6369 | Iustin Pop | |
5598 | e2fe6369 | Iustin Pop | |
5599 | 74409b12 | Iustin Pop | def _CheckHVParams(lu, nodenames, hvname, hvparams): |
5600 | 74409b12 | Iustin Pop | """Hypervisor parameter validation.
|
5601 | 74409b12 | Iustin Pop |
|
5602 | 74409b12 | Iustin Pop | This function abstract the hypervisor parameter validation to be
|
5603 | 74409b12 | Iustin Pop | used in both instance create and instance modify.
|
5604 | 74409b12 | Iustin Pop |
|
5605 | 74409b12 | Iustin Pop | @type lu: L{LogicalUnit}
|
5606 | 74409b12 | Iustin Pop | @param lu: the logical unit for which we check
|
5607 | 74409b12 | Iustin Pop | @type nodenames: list
|
5608 | 74409b12 | Iustin Pop | @param nodenames: the list of nodes on which we should check
|
5609 | 74409b12 | Iustin Pop | @type hvname: string
|
5610 | 74409b12 | Iustin Pop | @param hvname: the name of the hypervisor we should use
|
5611 | 74409b12 | Iustin Pop | @type hvparams: dict
|
5612 | 74409b12 | Iustin Pop | @param hvparams: the parameters which we need to check
|
5613 | 74409b12 | Iustin Pop | @raise errors.OpPrereqError: if the parameters are not valid
|
5614 | 74409b12 | Iustin Pop |
|
5615 | 74409b12 | Iustin Pop | """
|
5616 | 74409b12 | Iustin Pop | hvinfo = lu.rpc.call_hypervisor_validate_params(nodenames, |
5617 | 74409b12 | Iustin Pop | hvname, |
5618 | 74409b12 | Iustin Pop | hvparams) |
5619 | 74409b12 | Iustin Pop | for node in nodenames: |
5620 | 781de953 | Iustin Pop | info = hvinfo[node] |
5621 | 68c6f21c | Iustin Pop | if info.offline:
|
5622 | 68c6f21c | Iustin Pop | continue
|
5623 | 4c4e4e1e | Iustin Pop | info.Raise("Hypervisor parameter validation failed on node %s" % node)
|
5624 | 74409b12 | Iustin Pop | |
5625 | 74409b12 | Iustin Pop | |
5626 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
5627 | a8083063 | Iustin Pop | """Create an instance.
|
5628 | a8083063 | Iustin Pop |
|
5629 | a8083063 | Iustin Pop | """
|
5630 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
5631 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
5632 | 08db7c5c | Iustin Pop | _OP_REQP = ["instance_name", "disks", "disk_template", |
5633 | 08db7c5c | Iustin Pop | "mode", "start", |
5634 | 08db7c5c | Iustin Pop | "wait_for_sync", "ip_check", "nics", |
5635 | 338e51e8 | Iustin Pop | "hvparams", "beparams"] |
5636 | 7baf741d | Guido Trotter | REQ_BGL = False
|
5637 | 7baf741d | Guido Trotter | |
5638 | 5f23e043 | Iustin Pop | def CheckArguments(self): |
5639 | 5f23e043 | Iustin Pop | """Check arguments.
|
5640 | 5f23e043 | Iustin Pop |
|
5641 | 5f23e043 | Iustin Pop | """
|
5642 | 5f23e043 | Iustin Pop | # do not require name_check to ease forward/backward compatibility
|
5643 | 5f23e043 | Iustin Pop | # for tools
|
5644 | 5f23e043 | Iustin Pop | if not hasattr(self.op, "name_check"): |
5645 | 5f23e043 | Iustin Pop | self.op.name_check = True |
5646 | 5f23e043 | Iustin Pop | if self.op.ip_check and not self.op.name_check: |
5647 | 5f23e043 | Iustin Pop | # TODO: make the ip check more flexible and not depend on the name check
|
5648 | 5f23e043 | Iustin Pop | raise errors.OpPrereqError("Cannot do ip checks without a name check", |
5649 | 5f23e043 | Iustin Pop | errors.ECODE_INVAL) |
5650 | 5f23e043 | Iustin Pop | |
5651 | 7baf741d | Guido Trotter | def _ExpandNode(self, node): |
5652 | 7baf741d | Guido Trotter | """Expands and checks one node name.
|
5653 | 7baf741d | Guido Trotter |
|
5654 | 7baf741d | Guido Trotter | """
|
5655 | 7baf741d | Guido Trotter | node_full = self.cfg.ExpandNodeName(node)
|
5656 | 7baf741d | Guido Trotter | if node_full is None: |
5657 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Unknown node %s" % node, errors.ECODE_NOENT) |
5658 | 7baf741d | Guido Trotter | return node_full
|
5659 | 7baf741d | Guido Trotter | |
5660 | 7baf741d | Guido Trotter | def ExpandNames(self): |
5661 | 7baf741d | Guido Trotter | """ExpandNames for CreateInstance.
|
5662 | 7baf741d | Guido Trotter |
|
5663 | 7baf741d | Guido Trotter | Figure out the right locks for instance creation.
|
5664 | 7baf741d | Guido Trotter |
|
5665 | 7baf741d | Guido Trotter | """
|
5666 | 7baf741d | Guido Trotter | self.needed_locks = {}
|
5667 | 7baf741d | Guido Trotter | |
5668 | 7baf741d | Guido Trotter | # set optional parameters to none if they don't exist
|
5669 | 6785674e | Iustin Pop | for attr in ["pnode", "snode", "iallocator", "hypervisor"]: |
5670 | 7baf741d | Guido Trotter | if not hasattr(self.op, attr): |
5671 | 7baf741d | Guido Trotter | setattr(self.op, attr, None) |
5672 | 7baf741d | Guido Trotter | |
5673 | 4b2f38dd | Iustin Pop | # cheap checks, mostly valid constants given
|
5674 | 4b2f38dd | Iustin Pop | |
5675 | 7baf741d | Guido Trotter | # verify creation mode
|
5676 | 7baf741d | Guido Trotter | if self.op.mode not in (constants.INSTANCE_CREATE, |
5677 | 7baf741d | Guido Trotter | constants.INSTANCE_IMPORT): |
5678 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
5679 | 5c983ee5 | Iustin Pop | self.op.mode, errors.ECODE_INVAL)
|
5680 | 4b2f38dd | Iustin Pop | |
5681 | 7baf741d | Guido Trotter | # disk template and mirror node verification
|
5682 | 7baf741d | Guido Trotter | if self.op.disk_template not in constants.DISK_TEMPLATES: |
5683 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid disk template name", |
5684 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5685 | 7baf741d | Guido Trotter | |
5686 | 4b2f38dd | Iustin Pop | if self.op.hypervisor is None: |
5687 | 4b2f38dd | Iustin Pop | self.op.hypervisor = self.cfg.GetHypervisorType() |
5688 | 4b2f38dd | Iustin Pop | |
5689 | 8705eb96 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
5690 | 8705eb96 | Iustin Pop | enabled_hvs = cluster.enabled_hypervisors |
5691 | 4b2f38dd | Iustin Pop | if self.op.hypervisor not in enabled_hvs: |
5692 | 4b2f38dd | Iustin Pop | raise errors.OpPrereqError("Selected hypervisor (%s) not enabled in the" |
5693 | 4b2f38dd | Iustin Pop | " cluster (%s)" % (self.op.hypervisor, |
5694 | 5c983ee5 | Iustin Pop | ",".join(enabled_hvs)),
|
5695 | 5c983ee5 | Iustin Pop | errors.ECODE_STATE) |
5696 | 4b2f38dd | Iustin Pop | |
5697 | 6785674e | Iustin Pop | # check hypervisor parameter syntax (locally)
|
5698 | a5728081 | Guido Trotter | utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
|
5699 | abe609b2 | Guido Trotter | filled_hvp = objects.FillDict(cluster.hvparams[self.op.hypervisor],
|
5700 | 8705eb96 | Iustin Pop | self.op.hvparams)
|
5701 | 6785674e | Iustin Pop | hv_type = hypervisor.GetHypervisor(self.op.hypervisor)
|
5702 | 8705eb96 | Iustin Pop | hv_type.CheckParameterSyntax(filled_hvp) |
5703 | 67fc3042 | Iustin Pop | self.hv_full = filled_hvp
|
5704 | 7736a5f2 | Iustin Pop | # check that we don't specify global parameters on an instance
|
5705 | 7736a5f2 | Iustin Pop | _CheckGlobalHvParams(self.op.hvparams)
|
5706 | 6785674e | Iustin Pop | |
5707 | 338e51e8 | Iustin Pop | # fill and remember the beparams dict
|
5708 | a5728081 | Guido Trotter | utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
|
5709 | 4ef7f423 | Guido Trotter | self.be_full = objects.FillDict(cluster.beparams[constants.PP_DEFAULT],
|
5710 | 338e51e8 | Iustin Pop | self.op.beparams)
|
5711 | 338e51e8 | Iustin Pop | |
5712 | 7baf741d | Guido Trotter | #### instance parameters check
|
5713 | 7baf741d | Guido Trotter | |
5714 | 7baf741d | Guido Trotter | # instance name verification
|
5715 | 5f23e043 | Iustin Pop | if self.op.name_check: |
5716 | 5f23e043 | Iustin Pop | hostname1 = utils.GetHostInfo(self.op.instance_name)
|
5717 | 5f23e043 | Iustin Pop | self.op.instance_name = instance_name = hostname1.name
|
5718 | 5f23e043 | Iustin Pop | # used in CheckPrereq for ip ping check
|
5719 | 5f23e043 | Iustin Pop | self.check_ip = hostname1.ip
|
5720 | 5f23e043 | Iustin Pop | else:
|
5721 | 5f23e043 | Iustin Pop | instance_name = self.op.instance_name
|
5722 | 5f23e043 | Iustin Pop | self.check_ip = None |
5723 | 7baf741d | Guido Trotter | |
5724 | 7baf741d | Guido Trotter | # this is just a preventive check, but someone might still add this
|
5725 | 7baf741d | Guido Trotter | # instance in the meantime, and creation will fail at lock-add time
|
5726 | 7baf741d | Guido Trotter | if instance_name in self.cfg.GetInstanceList(): |
5727 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
5728 | 5c983ee5 | Iustin Pop | instance_name, errors.ECODE_EXISTS) |
5729 | 7baf741d | Guido Trotter | |
5730 | 7baf741d | Guido Trotter | self.add_locks[locking.LEVEL_INSTANCE] = instance_name
|
5731 | 7baf741d | Guido Trotter | |
5732 | 08db7c5c | Iustin Pop | # NIC buildup
|
5733 | 08db7c5c | Iustin Pop | self.nics = []
|
5734 | 9dce4771 | Guido Trotter | for idx, nic in enumerate(self.op.nics): |
5735 | 9dce4771 | Guido Trotter | nic_mode_req = nic.get("mode", None) |
5736 | 9dce4771 | Guido Trotter | nic_mode = nic_mode_req |
5737 | 9dce4771 | Guido Trotter | if nic_mode is None: |
5738 | 9dce4771 | Guido Trotter | nic_mode = cluster.nicparams[constants.PP_DEFAULT][constants.NIC_MODE] |
5739 | 9dce4771 | Guido Trotter | |
5740 | 9dce4771 | Guido Trotter | # in routed mode, for the first nic, the default ip is 'auto'
|
5741 | 9dce4771 | Guido Trotter | if nic_mode == constants.NIC_MODE_ROUTED and idx == 0: |
5742 | 9dce4771 | Guido Trotter | default_ip_mode = constants.VALUE_AUTO |
5743 | 9dce4771 | Guido Trotter | else:
|
5744 | 9dce4771 | Guido Trotter | default_ip_mode = constants.VALUE_NONE |
5745 | 9dce4771 | Guido Trotter | |
5746 | 08db7c5c | Iustin Pop | # ip validity checks
|
5747 | 9dce4771 | Guido Trotter | ip = nic.get("ip", default_ip_mode)
|
5748 | 9dce4771 | Guido Trotter | if ip is None or ip.lower() == constants.VALUE_NONE: |
5749 | 08db7c5c | Iustin Pop | nic_ip = None
|
5750 | 08db7c5c | Iustin Pop | elif ip.lower() == constants.VALUE_AUTO:
|
5751 | 5f23e043 | Iustin Pop | if not self.op.name_check: |
5752 | 5f23e043 | Iustin Pop | raise errors.OpPrereqError("IP address set to auto but name checks" |
5753 | 5f23e043 | Iustin Pop | " have been skipped. Aborting.",
|
5754 | 5f23e043 | Iustin Pop | errors.ECODE_INVAL) |
5755 | 08db7c5c | Iustin Pop | nic_ip = hostname1.ip |
5756 | 08db7c5c | Iustin Pop | else:
|
5757 | 08db7c5c | Iustin Pop | if not utils.IsValidIP(ip): |
5758 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Given IP address '%s' doesn't look" |
5759 | 5c983ee5 | Iustin Pop | " like a valid IP" % ip,
|
5760 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5761 | 08db7c5c | Iustin Pop | nic_ip = ip |
5762 | 08db7c5c | Iustin Pop | |
5763 | b8716596 | Michael Hanselmann | # TODO: check the ip address for uniqueness
|
5764 | 9dce4771 | Guido Trotter | if nic_mode == constants.NIC_MODE_ROUTED and not nic_ip: |
5765 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Routed nic mode requires an ip address", |
5766 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5767 | 9dce4771 | Guido Trotter | |
5768 | 08db7c5c | Iustin Pop | # MAC address verification
|
5769 | 08db7c5c | Iustin Pop | mac = nic.get("mac", constants.VALUE_AUTO)
|
5770 | 08db7c5c | Iustin Pop | if mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
5771 | 08db7c5c | Iustin Pop | if not utils.IsValidMac(mac.lower()): |
5772 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid MAC address specified: %s" % |
5773 | 5c983ee5 | Iustin Pop | mac, errors.ECODE_INVAL) |
5774 | 87e43988 | Iustin Pop | else:
|
5775 | 36b66e6e | Guido Trotter | try:
|
5776 | 36b66e6e | Guido Trotter | self.cfg.ReserveMAC(mac, self.proc.GetECId()) |
5777 | 36b66e6e | Guido Trotter | except errors.ReservationError:
|
5778 | 87e43988 | Iustin Pop | raise errors.OpPrereqError("MAC address %s already in use" |
5779 | 5c983ee5 | Iustin Pop | " in cluster" % mac,
|
5780 | 5c983ee5 | Iustin Pop | errors.ECODE_NOTUNIQUE) |
5781 | 87e43988 | Iustin Pop | |
5782 | 08db7c5c | Iustin Pop | # bridge verification
|
5783 | 9939547b | Iustin Pop | bridge = nic.get("bridge", None) |
5784 | 9dce4771 | Guido Trotter | link = nic.get("link", None) |
5785 | 9dce4771 | Guido Trotter | if bridge and link: |
5786 | 29921401 | Iustin Pop | raise errors.OpPrereqError("Cannot pass 'bridge' and 'link'" |
5787 | 5c983ee5 | Iustin Pop | " at the same time", errors.ECODE_INVAL)
|
5788 | 9dce4771 | Guido Trotter | elif bridge and nic_mode == constants.NIC_MODE_ROUTED: |
5789 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Cannot pass 'bridge' on a routed nic", |
5790 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5791 | 9dce4771 | Guido Trotter | elif bridge:
|
5792 | 9dce4771 | Guido Trotter | link = bridge |
5793 | 9dce4771 | Guido Trotter | |
5794 | 9dce4771 | Guido Trotter | nicparams = {} |
5795 | 9dce4771 | Guido Trotter | if nic_mode_req:
|
5796 | 9dce4771 | Guido Trotter | nicparams[constants.NIC_MODE] = nic_mode_req |
5797 | 9dce4771 | Guido Trotter | if link:
|
5798 | 9dce4771 | Guido Trotter | nicparams[constants.NIC_LINK] = link |
5799 | 9dce4771 | Guido Trotter | |
5800 | 9dce4771 | Guido Trotter | check_params = objects.FillDict(cluster.nicparams[constants.PP_DEFAULT], |
5801 | 9dce4771 | Guido Trotter | nicparams) |
5802 | 9dce4771 | Guido Trotter | objects.NIC.CheckParameterSyntax(check_params) |
5803 | 9dce4771 | Guido Trotter | self.nics.append(objects.NIC(mac=mac, ip=nic_ip, nicparams=nicparams))
|
5804 | 08db7c5c | Iustin Pop | |
5805 | 08db7c5c | Iustin Pop | # disk checks/pre-build
|
5806 | 08db7c5c | Iustin Pop | self.disks = []
|
5807 | 08db7c5c | Iustin Pop | for disk in self.op.disks: |
5808 | 08db7c5c | Iustin Pop | mode = disk.get("mode", constants.DISK_RDWR)
|
5809 | 08db7c5c | Iustin Pop | if mode not in constants.DISK_ACCESS_SET: |
5810 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid disk access mode '%s'" % |
5811 | 5c983ee5 | Iustin Pop | mode, errors.ECODE_INVAL) |
5812 | 08db7c5c | Iustin Pop | size = disk.get("size", None) |
5813 | 08db7c5c | Iustin Pop | if size is None: |
5814 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Missing disk size", errors.ECODE_INVAL) |
5815 | 08db7c5c | Iustin Pop | try:
|
5816 | 08db7c5c | Iustin Pop | size = int(size)
|
5817 | 08db7c5c | Iustin Pop | except ValueError: |
5818 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid disk size '%s'" % size, |
5819 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5820 | 08db7c5c | Iustin Pop | self.disks.append({"size": size, "mode": mode}) |
5821 | 08db7c5c | Iustin Pop | |
5822 | 7baf741d | Guido Trotter | # file storage checks
|
5823 | 7baf741d | Guido Trotter | if (self.op.file_driver and |
5824 | 7baf741d | Guido Trotter | not self.op.file_driver in constants.FILE_DRIVER): |
5825 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid file driver name '%s'" % |
5826 | 5c983ee5 | Iustin Pop | self.op.file_driver, errors.ECODE_INVAL)
|
5827 | 7baf741d | Guido Trotter | |
5828 | 7baf741d | Guido Trotter | if self.op.file_storage_dir and os.path.isabs(self.op.file_storage_dir): |
5829 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("File storage directory path not absolute", |
5830 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5831 | 7baf741d | Guido Trotter | |
5832 | 7baf741d | Guido Trotter | ### Node/iallocator related checks
|
5833 | 7baf741d | Guido Trotter | if [self.op.iallocator, self.op.pnode].count(None) != 1: |
5834 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("One and only one of iallocator and primary" |
5835 | 5c983ee5 | Iustin Pop | " node must be given",
|
5836 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5837 | 7baf741d | Guido Trotter | |
5838 | 7baf741d | Guido Trotter | if self.op.iallocator: |
5839 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5840 | 7baf741d | Guido Trotter | else:
|
5841 | 7baf741d | Guido Trotter | self.op.pnode = self._ExpandNode(self.op.pnode) |
5842 | 7baf741d | Guido Trotter | nodelist = [self.op.pnode]
|
5843 | 7baf741d | Guido Trotter | if self.op.snode is not None: |
5844 | 7baf741d | Guido Trotter | self.op.snode = self._ExpandNode(self.op.snode) |
5845 | 7baf741d | Guido Trotter | nodelist.append(self.op.snode)
|
5846 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = nodelist
|
5847 | 7baf741d | Guido Trotter | |
5848 | 7baf741d | Guido Trotter | # in case of import lock the source node too
|
5849 | 7baf741d | Guido Trotter | if self.op.mode == constants.INSTANCE_IMPORT: |
5850 | 7baf741d | Guido Trotter | src_node = getattr(self.op, "src_node", None) |
5851 | 7baf741d | Guido Trotter | src_path = getattr(self.op, "src_path", None) |
5852 | 7baf741d | Guido Trotter | |
5853 | b9322a9f | Guido Trotter | if src_path is None: |
5854 | b9322a9f | Guido Trotter | self.op.src_path = src_path = self.op.instance_name |
5855 | b9322a9f | Guido Trotter | |
5856 | b9322a9f | Guido Trotter | if src_node is None: |
5857 | b9322a9f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5858 | b9322a9f | Guido Trotter | self.op.src_node = None |
5859 | b9322a9f | Guido Trotter | if os.path.isabs(src_path):
|
5860 | b9322a9f | Guido Trotter | raise errors.OpPrereqError("Importing an instance from an absolute" |
5861 | 5c983ee5 | Iustin Pop | " path requires a source node option.",
|
5862 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5863 | b9322a9f | Guido Trotter | else:
|
5864 | b9322a9f | Guido Trotter | self.op.src_node = src_node = self._ExpandNode(src_node) |
5865 | b9322a9f | Guido Trotter | if self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET: |
5866 | b9322a9f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].append(src_node)
|
5867 | b9322a9f | Guido Trotter | if not os.path.isabs(src_path): |
5868 | b9322a9f | Guido Trotter | self.op.src_path = src_path = \
|
5869 | b9322a9f | Guido Trotter | os.path.join(constants.EXPORT_DIR, src_path) |
5870 | 7baf741d | Guido Trotter | |
5871 | f2c05717 | Guido Trotter | # On import force_variant must be True, because if we forced it at
|
5872 | f2c05717 | Guido Trotter | # initial install, our only chance when importing it back is that it
|
5873 | f2c05717 | Guido Trotter | # works again!
|
5874 | f2c05717 | Guido Trotter | self.op.force_variant = True |
5875 | f2c05717 | Guido Trotter | |
5876 | 7baf741d | Guido Trotter | else: # INSTANCE_CREATE |
5877 | 7baf741d | Guido Trotter | if getattr(self.op, "os_type", None) is None: |
5878 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("No guest OS specified", |
5879 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
5880 | f2c05717 | Guido Trotter | self.op.force_variant = getattr(self.op, "force_variant", False) |
5881 | a8083063 | Iustin Pop | |
5882 | 538475ca | Iustin Pop | def _RunAllocator(self): |
5883 | 538475ca | Iustin Pop | """Run the allocator based on input opcode.
|
5884 | 538475ca | Iustin Pop |
|
5885 | 538475ca | Iustin Pop | """
|
5886 | 08db7c5c | Iustin Pop | nics = [n.ToDict() for n in self.nics] |
5887 | 923ddac0 | Michael Hanselmann | ial = IAllocator(self.cfg, self.rpc, |
5888 | 29859cb7 | Iustin Pop | mode=constants.IALLOCATOR_MODE_ALLOC, |
5889 | d1c2dd75 | Iustin Pop | name=self.op.instance_name,
|
5890 | d1c2dd75 | Iustin Pop | disk_template=self.op.disk_template,
|
5891 | d1c2dd75 | Iustin Pop | tags=[], |
5892 | d1c2dd75 | Iustin Pop | os=self.op.os_type,
|
5893 | 338e51e8 | Iustin Pop | vcpus=self.be_full[constants.BE_VCPUS],
|
5894 | 338e51e8 | Iustin Pop | mem_size=self.be_full[constants.BE_MEMORY],
|
5895 | 08db7c5c | Iustin Pop | disks=self.disks,
|
5896 | d1c2dd75 | Iustin Pop | nics=nics, |
5897 | 8cc7e742 | Guido Trotter | hypervisor=self.op.hypervisor,
|
5898 | 29859cb7 | Iustin Pop | ) |
5899 | d1c2dd75 | Iustin Pop | |
5900 | d1c2dd75 | Iustin Pop | ial.Run(self.op.iallocator)
|
5901 | d1c2dd75 | Iustin Pop | |
5902 | d1c2dd75 | Iustin Pop | if not ial.success: |
5903 | 538475ca | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
5904 | 5c983ee5 | Iustin Pop | " iallocator '%s': %s" %
|
5905 | 5c983ee5 | Iustin Pop | (self.op.iallocator, ial.info),
|
5906 | 5c983ee5 | Iustin Pop | errors.ECODE_NORES) |
5907 | 27579978 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
5908 | 538475ca | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
5909 | 538475ca | Iustin Pop | " of nodes (%s), required %s" %
|
5910 | 97abc79f | Iustin Pop | (self.op.iallocator, len(ial.nodes), |
5911 | 5c983ee5 | Iustin Pop | ial.required_nodes), errors.ECODE_FAULT) |
5912 | d1c2dd75 | Iustin Pop | self.op.pnode = ial.nodes[0] |
5913 | 86d9d3bb | Iustin Pop | self.LogInfo("Selected nodes for instance %s via iallocator %s: %s", |
5914 | 86d9d3bb | Iustin Pop | self.op.instance_name, self.op.iallocator, |
5915 | 1f864b60 | Iustin Pop | utils.CommaJoin(ial.nodes)) |
5916 | 27579978 | Iustin Pop | if ial.required_nodes == 2: |
5917 | d1c2dd75 | Iustin Pop | self.op.snode = ial.nodes[1] |
5918 | 538475ca | Iustin Pop | |
5919 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
5920 | a8083063 | Iustin Pop | """Build hooks env.
|
5921 | a8083063 | Iustin Pop |
|
5922 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
5923 | a8083063 | Iustin Pop |
|
5924 | a8083063 | Iustin Pop | """
|
5925 | a8083063 | Iustin Pop | env = { |
5926 | 2c2690c9 | Iustin Pop | "ADD_MODE": self.op.mode, |
5927 | a8083063 | Iustin Pop | } |
5928 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
5929 | 2c2690c9 | Iustin Pop | env["SRC_NODE"] = self.op.src_node |
5930 | 2c2690c9 | Iustin Pop | env["SRC_PATH"] = self.op.src_path |
5931 | 2c2690c9 | Iustin Pop | env["SRC_IMAGES"] = self.src_images |
5932 | 396e1b78 | Michael Hanselmann | |
5933 | 2c2690c9 | Iustin Pop | env.update(_BuildInstanceHookEnv( |
5934 | 2c2690c9 | Iustin Pop | name=self.op.instance_name,
|
5935 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
5936 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
5937 | 4978db17 | Iustin Pop | status=self.op.start,
|
5938 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
5939 | 338e51e8 | Iustin Pop | memory=self.be_full[constants.BE_MEMORY],
|
5940 | 338e51e8 | Iustin Pop | vcpus=self.be_full[constants.BE_VCPUS],
|
5941 | f9b10246 | Guido Trotter | nics=_NICListToTuple(self, self.nics), |
5942 | 2c2690c9 | Iustin Pop | disk_template=self.op.disk_template,
|
5943 | 2c2690c9 | Iustin Pop | disks=[(d["size"], d["mode"]) for d in self.disks], |
5944 | 67fc3042 | Iustin Pop | bep=self.be_full,
|
5945 | 67fc3042 | Iustin Pop | hvp=self.hv_full,
|
5946 | 3df6e710 | Iustin Pop | hypervisor_name=self.op.hypervisor,
|
5947 | 396e1b78 | Michael Hanselmann | )) |
5948 | a8083063 | Iustin Pop | |
5949 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.op.pnode] + |
5950 | a8083063 | Iustin Pop | self.secondaries)
|
5951 | a8083063 | Iustin Pop | return env, nl, nl
|
5952 | a8083063 | Iustin Pop | |
5953 | a8083063 | Iustin Pop | |
5954 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5955 | a8083063 | Iustin Pop | """Check prerequisites.
|
5956 | a8083063 | Iustin Pop |
|
5957 | a8083063 | Iustin Pop | """
|
5958 | eedc99de | Manuel Franceschini | if (not self.cfg.GetVGName() and |
5959 | eedc99de | Manuel Franceschini | self.op.disk_template not in constants.DTS_NOT_LVM): |
5960 | eedc99de | Manuel Franceschini | raise errors.OpPrereqError("Cluster does not support lvm-based" |
5961 | 5c983ee5 | Iustin Pop | " instances", errors.ECODE_STATE)
|
5962 | eedc99de | Manuel Franceschini | |
5963 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
5964 | 7baf741d | Guido Trotter | src_node = self.op.src_node
|
5965 | 7baf741d | Guido Trotter | src_path = self.op.src_path
|
5966 | a8083063 | Iustin Pop | |
5967 | c0cbdc67 | Guido Trotter | if src_node is None: |
5968 | 1b7bfbb7 | Iustin Pop | locked_nodes = self.acquired_locks[locking.LEVEL_NODE]
|
5969 | 1b7bfbb7 | Iustin Pop | exp_list = self.rpc.call_export_list(locked_nodes)
|
5970 | c0cbdc67 | Guido Trotter | found = False
|
5971 | c0cbdc67 | Guido Trotter | for node in exp_list: |
5972 | 4c4e4e1e | Iustin Pop | if exp_list[node].fail_msg:
|
5973 | 1b7bfbb7 | Iustin Pop | continue
|
5974 | 1b7bfbb7 | Iustin Pop | if src_path in exp_list[node].payload: |
5975 | c0cbdc67 | Guido Trotter | found = True
|
5976 | c0cbdc67 | Guido Trotter | self.op.src_node = src_node = node
|
5977 | c0cbdc67 | Guido Trotter | self.op.src_path = src_path = os.path.join(constants.EXPORT_DIR,
|
5978 | c0cbdc67 | Guido Trotter | src_path) |
5979 | c0cbdc67 | Guido Trotter | break
|
5980 | c0cbdc67 | Guido Trotter | if not found: |
5981 | c0cbdc67 | Guido Trotter | raise errors.OpPrereqError("No export found for relative path %s" % |
5982 | 5c983ee5 | Iustin Pop | src_path, errors.ECODE_INVAL) |
5983 | c0cbdc67 | Guido Trotter | |
5984 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, src_node)
|
5985 | 781de953 | Iustin Pop | result = self.rpc.call_export_info(src_node, src_path)
|
5986 | 4c4e4e1e | Iustin Pop | result.Raise("No export or invalid export found in dir %s" % src_path)
|
5987 | a8083063 | Iustin Pop | |
5988 | 3eccac06 | Iustin Pop | export_info = objects.SerializableConfigParser.Loads(str(result.payload))
|
5989 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
5990 | 5c983ee5 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config", |
5991 | 5c983ee5 | Iustin Pop | errors.ECODE_ENVIRON) |
5992 | a8083063 | Iustin Pop | |
5993 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
5994 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
5995 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
5996 | 5c983ee5 | Iustin Pop | (ei_version, constants.EXPORT_VERSION), |
5997 | 5c983ee5 | Iustin Pop | errors.ECODE_ENVIRON) |
5998 | a8083063 | Iustin Pop | |
5999 | 09acf207 | Guido Trotter | # Check that the new instance doesn't have less disks than the export
|
6000 | 08db7c5c | Iustin Pop | instance_disks = len(self.disks) |
6001 | 09acf207 | Guido Trotter | export_disks = export_info.getint(constants.INISECT_INS, 'disk_count')
|
6002 | 09acf207 | Guido Trotter | if instance_disks < export_disks:
|
6003 | 09acf207 | Guido Trotter | raise errors.OpPrereqError("Not enough disks to import." |
6004 | 09acf207 | Guido Trotter | " (instance: %d, export: %d)" %
|
6005 | 5c983ee5 | Iustin Pop | (instance_disks, export_disks), |
6006 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
6007 | a8083063 | Iustin Pop | |
6008 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
6009 | 09acf207 | Guido Trotter | disk_images = [] |
6010 | 09acf207 | Guido Trotter | for idx in range(export_disks): |
6011 | 09acf207 | Guido Trotter | option = 'disk%d_dump' % idx
|
6012 | 09acf207 | Guido Trotter | if export_info.has_option(constants.INISECT_INS, option):
|
6013 | 09acf207 | Guido Trotter | # FIXME: are the old os-es, disk sizes, etc. useful?
|
6014 | 09acf207 | Guido Trotter | export_name = export_info.get(constants.INISECT_INS, option) |
6015 | 09acf207 | Guido Trotter | image = os.path.join(src_path, export_name) |
6016 | 09acf207 | Guido Trotter | disk_images.append(image) |
6017 | 09acf207 | Guido Trotter | else:
|
6018 | 09acf207 | Guido Trotter | disk_images.append(False)
|
6019 | 09acf207 | Guido Trotter | |
6020 | 09acf207 | Guido Trotter | self.src_images = disk_images
|
6021 | 901a65c1 | Iustin Pop | |
6022 | b4364a6b | Guido Trotter | old_name = export_info.get(constants.INISECT_INS, 'name')
|
6023 | b4364a6b | Guido Trotter | # FIXME: int() here could throw a ValueError on broken exports
|
6024 | b4364a6b | Guido Trotter | exp_nic_count = int(export_info.get(constants.INISECT_INS, 'nic_count')) |
6025 | b4364a6b | Guido Trotter | if self.op.instance_name == old_name: |
6026 | b4364a6b | Guido Trotter | for idx, nic in enumerate(self.nics): |
6027 | b4364a6b | Guido Trotter | if nic.mac == constants.VALUE_AUTO and exp_nic_count >= idx: |
6028 | b4364a6b | Guido Trotter | nic_mac_ini = 'nic%d_mac' % idx
|
6029 | b4364a6b | Guido Trotter | nic.mac = export_info.get(constants.INISECT_INS, nic_mac_ini) |
6030 | bc89efc3 | Guido Trotter | |
6031 | 295728df | Guido Trotter | # ENDIF: self.op.mode == constants.INSTANCE_IMPORT
|
6032 | 901a65c1 | Iustin Pop | |
6033 | 18c8f361 | Iustin Pop | # ip ping checks (we use the same ip that was resolved in ExpandNames)
|
6034 | 901a65c1 | Iustin Pop | if self.op.ip_check: |
6035 | 7baf741d | Guido Trotter | if utils.TcpPing(self.check_ip, constants.DEFAULT_NODED_PORT): |
6036 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
6037 | 5c983ee5 | Iustin Pop | (self.check_ip, self.op.instance_name), |
6038 | 5c983ee5 | Iustin Pop | errors.ECODE_NOTUNIQUE) |
6039 | 901a65c1 | Iustin Pop | |
6040 | 295728df | Guido Trotter | #### mac address generation
|
6041 | 295728df | Guido Trotter | # By generating here the mac address both the allocator and the hooks get
|
6042 | 295728df | Guido Trotter | # the real final mac address rather than the 'auto' or 'generate' value.
|
6043 | 295728df | Guido Trotter | # There is a race condition between the generation and the instance object
|
6044 | 295728df | Guido Trotter | # creation, which means that we know the mac is valid now, but we're not
|
6045 | 295728df | Guido Trotter | # sure it will be when we actually add the instance. If things go bad
|
6046 | 295728df | Guido Trotter | # adding the instance will abort because of a duplicate mac, and the
|
6047 | 295728df | Guido Trotter | # creation job will fail.
|
6048 | 295728df | Guido Trotter | for nic in self.nics: |
6049 | 295728df | Guido Trotter | if nic.mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
6050 | 36b66e6e | Guido Trotter | nic.mac = self.cfg.GenerateMAC(self.proc.GetECId()) |
6051 | 295728df | Guido Trotter | |
6052 | 538475ca | Iustin Pop | #### allocator run
|
6053 | 538475ca | Iustin Pop | |
6054 | 538475ca | Iustin Pop | if self.op.iallocator is not None: |
6055 | 538475ca | Iustin Pop | self._RunAllocator()
|
6056 | 0f1a06e3 | Manuel Franceschini | |
6057 | 901a65c1 | Iustin Pop | #### node related checks
|
6058 | 901a65c1 | Iustin Pop | |
6059 | 901a65c1 | Iustin Pop | # check primary node
|
6060 | 7baf741d | Guido Trotter | self.pnode = pnode = self.cfg.GetNodeInfo(self.op.pnode) |
6061 | 7baf741d | Guido Trotter | assert self.pnode is not None, \ |
6062 | 7baf741d | Guido Trotter | "Cannot retrieve locked node %s" % self.op.pnode |
6063 | 7527a8a4 | Iustin Pop | if pnode.offline:
|
6064 | 7527a8a4 | Iustin Pop | raise errors.OpPrereqError("Cannot use offline primary node '%s'" % |
6065 | 5c983ee5 | Iustin Pop | pnode.name, errors.ECODE_STATE) |
6066 | 733a2b6a | Iustin Pop | if pnode.drained:
|
6067 | 733a2b6a | Iustin Pop | raise errors.OpPrereqError("Cannot use drained primary node '%s'" % |
6068 | 5c983ee5 | Iustin Pop | pnode.name, errors.ECODE_STATE) |
6069 | 7527a8a4 | Iustin Pop | |
6070 | 901a65c1 | Iustin Pop | self.secondaries = []
|
6071 | 901a65c1 | Iustin Pop | |
6072 | 901a65c1 | Iustin Pop | # mirror node verification
|
6073 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
6074 | 7baf741d | Guido Trotter | if self.op.snode is None: |
6075 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
6076 | 5c983ee5 | Iustin Pop | " a mirror node", errors.ECODE_INVAL)
|
6077 | 7baf741d | Guido Trotter | if self.op.snode == pnode.name: |
6078 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be the" |
6079 | 5c983ee5 | Iustin Pop | " primary node.", errors.ECODE_INVAL)
|
6080 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, self.op.snode) |
6081 | 733a2b6a | Iustin Pop | _CheckNodeNotDrained(self, self.op.snode) |
6082 | 733a2b6a | Iustin Pop | self.secondaries.append(self.op.snode) |
6083 | a8083063 | Iustin Pop | |
6084 | 6785674e | Iustin Pop | nodenames = [pnode.name] + self.secondaries
|
6085 | 6785674e | Iustin Pop | |
6086 | e2fe6369 | Iustin Pop | req_size = _ComputeDiskSize(self.op.disk_template,
|
6087 | 08db7c5c | Iustin Pop | self.disks)
|
6088 | ed1ebc60 | Guido Trotter | |
6089 | 8d75db10 | Iustin Pop | # Check lv size requirements
|
6090 | 8d75db10 | Iustin Pop | if req_size is not None: |
6091 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
6092 | 72737a7f | Iustin Pop | self.op.hypervisor)
|
6093 | 8d75db10 | Iustin Pop | for node in nodenames: |
6094 | 781de953 | Iustin Pop | info = nodeinfo[node] |
6095 | 4c4e4e1e | Iustin Pop | info.Raise("Cannot get current information from node %s" % node)
|
6096 | 070e998b | Iustin Pop | info = info.payload |
6097 | 8d75db10 | Iustin Pop | vg_free = info.get('vg_free', None) |
6098 | 8d75db10 | Iustin Pop | if not isinstance(vg_free, int): |
6099 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
6100 | 5c983ee5 | Iustin Pop | " node %s" % node, errors.ECODE_ENVIRON)
|
6101 | 070e998b | Iustin Pop | if req_size > vg_free:
|
6102 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
6103 | 8d75db10 | Iustin Pop | " %d MB available, %d MB required" %
|
6104 | 5c983ee5 | Iustin Pop | (node, vg_free, req_size), |
6105 | 5c983ee5 | Iustin Pop | errors.ECODE_NORES) |
6106 | ed1ebc60 | Guido Trotter | |
6107 | 74409b12 | Iustin Pop | _CheckHVParams(self, nodenames, self.op.hypervisor, self.op.hvparams) |
6108 | 6785674e | Iustin Pop | |
6109 | a8083063 | Iustin Pop | # os verification
|
6110 | 781de953 | Iustin Pop | result = self.rpc.call_os_get(pnode.name, self.op.os_type) |
6111 | 4c4e4e1e | Iustin Pop | result.Raise("OS '%s' not in supported os list for primary node %s" %
|
6112 | 045dd6d9 | Iustin Pop | (self.op.os_type, pnode.name),
|
6113 | 045dd6d9 | Iustin Pop | prereq=True, ecode=errors.ECODE_INVAL)
|
6114 | f2c05717 | Guido Trotter | if not self.op.force_variant: |
6115 | f2c05717 | Guido Trotter | _CheckOSVariant(result.payload, self.op.os_type)
|
6116 | a8083063 | Iustin Pop | |
6117 | b165e77e | Guido Trotter | _CheckNicsBridgesExist(self, self.nics, self.pnode.name) |
6118 | a8083063 | Iustin Pop | |
6119 | 49ce1563 | Iustin Pop | # memory check on primary node
|
6120 | 49ce1563 | Iustin Pop | if self.op.start: |
6121 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, self.pnode.name, |
6122 | 49ce1563 | Iustin Pop | "creating instance %s" % self.op.instance_name, |
6123 | 338e51e8 | Iustin Pop | self.be_full[constants.BE_MEMORY],
|
6124 | 338e51e8 | Iustin Pop | self.op.hypervisor)
|
6125 | 49ce1563 | Iustin Pop | |
6126 | 08896026 | Iustin Pop | self.dry_run_result = list(nodenames) |
6127 | 08896026 | Iustin Pop | |
6128 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
6129 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
6130 | a8083063 | Iustin Pop |
|
6131 | a8083063 | Iustin Pop | """
|
6132 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
6133 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
6134 | a8083063 | Iustin Pop | |
6135 | e69d05fd | Iustin Pop | ht_kind = self.op.hypervisor
|
6136 | 2a6469d5 | Alexander Schreiber | if ht_kind in constants.HTS_REQ_PORT: |
6137 | 2a6469d5 | Alexander Schreiber | network_port = self.cfg.AllocatePort()
|
6138 | 2a6469d5 | Alexander Schreiber | else:
|
6139 | 2a6469d5 | Alexander Schreiber | network_port = None
|
6140 | 58acb49d | Alexander Schreiber | |
6141 | 6785674e | Iustin Pop | ##if self.op.vnc_bind_address is None:
|
6142 | 6785674e | Iustin Pop | ## self.op.vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS
|
6143 | 31a853d2 | Iustin Pop | |
6144 | 2c313123 | Manuel Franceschini | # this is needed because os.path.join does not accept None arguments
|
6145 | 2c313123 | Manuel Franceschini | if self.op.file_storage_dir is None: |
6146 | 2c313123 | Manuel Franceschini | string_file_storage_dir = ""
|
6147 | 2c313123 | Manuel Franceschini | else:
|
6148 | 2c313123 | Manuel Franceschini | string_file_storage_dir = self.op.file_storage_dir
|
6149 | 2c313123 | Manuel Franceschini | |
6150 | 0f1a06e3 | Manuel Franceschini | # build the full file storage dir path
|
6151 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.normpath(os.path.join( |
6152 | d6a02168 | Michael Hanselmann | self.cfg.GetFileStorageDir(),
|
6153 | 2c313123 | Manuel Franceschini | string_file_storage_dir, instance)) |
6154 | 0f1a06e3 | Manuel Franceschini | |
6155 | 0f1a06e3 | Manuel Franceschini | |
6156 | b9bddb6b | Iustin Pop | disks = _GenerateDiskTemplate(self,
|
6157 | a8083063 | Iustin Pop | self.op.disk_template,
|
6158 | a8083063 | Iustin Pop | instance, pnode_name, |
6159 | 08db7c5c | Iustin Pop | self.secondaries,
|
6160 | 08db7c5c | Iustin Pop | self.disks,
|
6161 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, |
6162 | e2a65344 | Iustin Pop | self.op.file_driver,
|
6163 | e2a65344 | Iustin Pop | 0)
|
6164 | a8083063 | Iustin Pop | |
6165 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
6166 | a8083063 | Iustin Pop | primary_node=pnode_name, |
6167 | 08db7c5c | Iustin Pop | nics=self.nics, disks=disks,
|
6168 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
6169 | 4978db17 | Iustin Pop | admin_up=False,
|
6170 | 58acb49d | Alexander Schreiber | network_port=network_port, |
6171 | 338e51e8 | Iustin Pop | beparams=self.op.beparams,
|
6172 | 6785674e | Iustin Pop | hvparams=self.op.hvparams,
|
6173 | e69d05fd | Iustin Pop | hypervisor=self.op.hypervisor,
|
6174 | a8083063 | Iustin Pop | ) |
6175 | a8083063 | Iustin Pop | |
6176 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
6177 | 796cab27 | Iustin Pop | try:
|
6178 | 796cab27 | Iustin Pop | _CreateDisks(self, iobj)
|
6179 | 796cab27 | Iustin Pop | except errors.OpExecError:
|
6180 | 796cab27 | Iustin Pop | self.LogWarning("Device creation failed, reverting...") |
6181 | 796cab27 | Iustin Pop | try:
|
6182 | 796cab27 | Iustin Pop | _RemoveDisks(self, iobj)
|
6183 | 796cab27 | Iustin Pop | finally:
|
6184 | 796cab27 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance)
|
6185 | 796cab27 | Iustin Pop | raise
|
6186 | a8083063 | Iustin Pop | |
6187 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
6188 | a8083063 | Iustin Pop | |
6189 | 0debfb35 | Guido Trotter | self.cfg.AddInstance(iobj, self.proc.GetECId()) |
6190 | 0debfb35 | Guido Trotter | |
6191 | 7baf741d | Guido Trotter | # Declare that we don't want to remove the instance lock anymore, as we've
|
6192 | 7baf741d | Guido Trotter | # added the instance to the config
|
6193 | 7baf741d | Guido Trotter | del self.remove_locks[locking.LEVEL_INSTANCE] |
6194 | e36e96b4 | Guido Trotter | # Unlock all the nodes
|
6195 | 9c8971d7 | Guido Trotter | if self.op.mode == constants.INSTANCE_IMPORT: |
6196 | 9c8971d7 | Guido Trotter | nodes_keep = [self.op.src_node]
|
6197 | 9c8971d7 | Guido Trotter | nodes_release = [node for node in self.acquired_locks[locking.LEVEL_NODE] |
6198 | 9c8971d7 | Guido Trotter | if node != self.op.src_node] |
6199 | 9c8971d7 | Guido Trotter | self.context.glm.release(locking.LEVEL_NODE, nodes_release)
|
6200 | 9c8971d7 | Guido Trotter | self.acquired_locks[locking.LEVEL_NODE] = nodes_keep
|
6201 | 9c8971d7 | Guido Trotter | else:
|
6202 | 9c8971d7 | Guido Trotter | self.context.glm.release(locking.LEVEL_NODE)
|
6203 | 9c8971d7 | Guido Trotter | del self.acquired_locks[locking.LEVEL_NODE] |
6204 | a8083063 | Iustin Pop | |
6205 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
6206 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj) |
6207 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
6208 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
6209 | a8083063 | Iustin Pop | time.sleep(15)
|
6210 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
6211 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj, oneshot=True) |
6212 | a8083063 | Iustin Pop | else:
|
6213 | a8083063 | Iustin Pop | disk_abort = False
|
6214 | a8083063 | Iustin Pop | |
6215 | a8083063 | Iustin Pop | if disk_abort:
|
6216 | b9bddb6b | Iustin Pop | _RemoveDisks(self, iobj)
|
6217 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
6218 | 7baf741d | Guido Trotter | # Make sure the instance lock gets removed
|
6219 | 7baf741d | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = iobj.name
|
6220 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
6221 | 3ecf6786 | Iustin Pop | " this instance")
|
6222 | a8083063 | Iustin Pop | |
6223 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
6224 | a8083063 | Iustin Pop | (instance, pnode_name)) |
6225 | a8083063 | Iustin Pop | |
6226 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
6227 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
6228 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
6229 | e557bae9 | Guido Trotter | result = self.rpc.call_instance_os_add(pnode_name, iobj, False) |
6230 | 4c4e4e1e | Iustin Pop | result.Raise("Could not add os for instance %s"
|
6231 | 4c4e4e1e | Iustin Pop | " on node %s" % (instance, pnode_name))
|
6232 | a8083063 | Iustin Pop | |
6233 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
6234 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
6235 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
6236 | 09acf207 | Guido Trotter | src_images = self.src_images
|
6237 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
6238 | 6c0af70e | Guido Trotter | import_result = self.rpc.call_instance_os_import(pnode_name, iobj,
|
6239 | 09acf207 | Guido Trotter | src_node, src_images, |
6240 | 6c0af70e | Guido Trotter | cluster_name) |
6241 | 4c4e4e1e | Iustin Pop | msg = import_result.fail_msg |
6242 | 944bf548 | Iustin Pop | if msg:
|
6243 | 944bf548 | Iustin Pop | self.LogWarning("Error while importing the disk images for instance" |
6244 | 944bf548 | Iustin Pop | " %s on node %s: %s" % (instance, pnode_name, msg))
|
6245 | a8083063 | Iustin Pop | else:
|
6246 | a8083063 | Iustin Pop | # also checked in the prereq part
|
6247 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
6248 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
6249 | a8083063 | Iustin Pop | |
6250 | a8083063 | Iustin Pop | if self.op.start: |
6251 | 4978db17 | Iustin Pop | iobj.admin_up = True
|
6252 | a4eae71f | Michael Hanselmann | self.cfg.Update(iobj, feedback_fn)
|
6253 | 9a4f63d1 | Iustin Pop | logging.info("Starting instance %s on node %s", instance, pnode_name)
|
6254 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
6255 | 0eca8e0c | Iustin Pop | result = self.rpc.call_instance_start(pnode_name, iobj, None, None) |
6256 | 4c4e4e1e | Iustin Pop | result.Raise("Could not start instance")
|
6257 | a8083063 | Iustin Pop | |
6258 | 08896026 | Iustin Pop | return list(iobj.all_nodes) |
6259 | 08896026 | Iustin Pop | |
6260 | a8083063 | Iustin Pop | |
6261 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
6262 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
6263 | a8083063 | Iustin Pop |
|
6264 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
6265 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
6266 | a8083063 | Iustin Pop | console.
|
6267 | a8083063 | Iustin Pop |
|
6268 | a8083063 | Iustin Pop | """
|
6269 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
6270 | 8659b73e | Guido Trotter | REQ_BGL = False
|
6271 | 8659b73e | Guido Trotter | |
6272 | 8659b73e | Guido Trotter | def ExpandNames(self): |
6273 | 8659b73e | Guido Trotter | self._ExpandAndLockInstance()
|
6274 | a8083063 | Iustin Pop | |
6275 | a8083063 | Iustin Pop | def CheckPrereq(self): |
6276 | a8083063 | Iustin Pop | """Check prerequisites.
|
6277 | a8083063 | Iustin Pop |
|
6278 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
6279 | a8083063 | Iustin Pop |
|
6280 | a8083063 | Iustin Pop | """
|
6281 | 8659b73e | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
6282 | 8659b73e | Guido Trotter | assert self.instance is not None, \ |
6283 | 8659b73e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
6284 | 513e896d | Guido Trotter | _CheckNodeOnline(self, self.instance.primary_node) |
6285 | a8083063 | Iustin Pop | |
6286 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
6287 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
6288 | a8083063 | Iustin Pop |
|
6289 | a8083063 | Iustin Pop | """
|
6290 | a8083063 | Iustin Pop | instance = self.instance
|
6291 | a8083063 | Iustin Pop | node = instance.primary_node |
6292 | a8083063 | Iustin Pop | |
6293 | 72737a7f | Iustin Pop | node_insts = self.rpc.call_instance_list([node],
|
6294 | 72737a7f | Iustin Pop | [instance.hypervisor])[node] |
6295 | 4c4e4e1e | Iustin Pop | node_insts.Raise("Can't get node information from %s" % node)
|
6296 | a8083063 | Iustin Pop | |
6297 | aca13712 | Iustin Pop | if instance.name not in node_insts.payload: |
6298 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
6299 | a8083063 | Iustin Pop | |
6300 | 9a4f63d1 | Iustin Pop | logging.debug("Connecting to console of %s on %s", instance.name, node)
|
6301 | a8083063 | Iustin Pop | |
6302 | e69d05fd | Iustin Pop | hyper = hypervisor.GetHypervisor(instance.hypervisor) |
6303 | 5431b2e4 | Guido Trotter | cluster = self.cfg.GetClusterInfo()
|
6304 | 5431b2e4 | Guido Trotter | # beparams and hvparams are passed separately, to avoid editing the
|
6305 | 5431b2e4 | Guido Trotter | # instance and then saving the defaults in the instance itself.
|
6306 | 5431b2e4 | Guido Trotter | hvparams = cluster.FillHV(instance) |
6307 | 5431b2e4 | Guido Trotter | beparams = cluster.FillBE(instance) |
6308 | 5431b2e4 | Guido Trotter | console_cmd = hyper.GetShellCommandForConsole(instance, hvparams, beparams) |
6309 | b047857b | Michael Hanselmann | |
6310 | 82122173 | Iustin Pop | # build ssh cmdline
|
6311 | 0a80a26f | Michael Hanselmann | return self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True) |
6312 | a8083063 | Iustin Pop | |
6313 | a8083063 | Iustin Pop | |
6314 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
6315 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
6316 | a8083063 | Iustin Pop |
|
6317 | a8083063 | Iustin Pop | """
|
6318 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
6319 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
6320 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
6321 | efd990e4 | Guido Trotter | REQ_BGL = False
|
6322 | efd990e4 | Guido Trotter | |
6323 | 7e9366f7 | Iustin Pop | def CheckArguments(self): |
6324 | efd990e4 | Guido Trotter | if not hasattr(self.op, "remote_node"): |
6325 | efd990e4 | Guido Trotter | self.op.remote_node = None |
6326 | 7e9366f7 | Iustin Pop | if not hasattr(self.op, "iallocator"): |
6327 | 7e9366f7 | Iustin Pop | self.op.iallocator = None |
6328 | 7e9366f7 | Iustin Pop | |
6329 | c68174b6 | Michael Hanselmann | TLReplaceDisks.CheckArguments(self.op.mode, self.op.remote_node, |
6330 | c68174b6 | Michael Hanselmann | self.op.iallocator)
|
6331 | 7e9366f7 | Iustin Pop | |
6332 | 7e9366f7 | Iustin Pop | def ExpandNames(self): |
6333 | 7e9366f7 | Iustin Pop | self._ExpandAndLockInstance()
|
6334 | 7e9366f7 | Iustin Pop | |
6335 | 7e9366f7 | Iustin Pop | if self.op.iallocator is not None: |
6336 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
6337 | 2bb5c911 | Michael Hanselmann | |
6338 | efd990e4 | Guido Trotter | elif self.op.remote_node is not None: |
6339 | efd990e4 | Guido Trotter | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
6340 | efd990e4 | Guido Trotter | if remote_node is None: |
6341 | efd990e4 | Guido Trotter | raise errors.OpPrereqError("Node '%s' not known" % |
6342 | 5c983ee5 | Iustin Pop | self.op.remote_node, errors.ECODE_NOENT)
|
6343 | 2bb5c911 | Michael Hanselmann | |
6344 | efd990e4 | Guido Trotter | self.op.remote_node = remote_node
|
6345 | 2bb5c911 | Michael Hanselmann | |
6346 | 3b559640 | Iustin Pop | # Warning: do not remove the locking of the new secondary here
|
6347 | 3b559640 | Iustin Pop | # unless DRBD8.AddChildren is changed to work in parallel;
|
6348 | 3b559640 | Iustin Pop | # currently it doesn't since parallel invocations of
|
6349 | 3b559640 | Iustin Pop | # FindUnusedMinor will conflict
|
6350 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = [remote_node]
|
6351 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
|
6352 | 2bb5c911 | Michael Hanselmann | |
6353 | efd990e4 | Guido Trotter | else:
|
6354 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
6355 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
6356 | efd990e4 | Guido Trotter | |
6357 | c68174b6 | Michael Hanselmann | self.replacer = TLReplaceDisks(self, self.op.instance_name, self.op.mode, |
6358 | c68174b6 | Michael Hanselmann | self.op.iallocator, self.op.remote_node, |
6359 | c68174b6 | Michael Hanselmann | self.op.disks)
|
6360 | c68174b6 | Michael Hanselmann | |
6361 | 3a012b41 | Michael Hanselmann | self.tasklets = [self.replacer] |
6362 | 2bb5c911 | Michael Hanselmann | |
6363 | efd990e4 | Guido Trotter | def DeclareLocks(self, level): |
6364 | efd990e4 | Guido Trotter | # If we're not already locking all nodes in the set we have to declare the
|
6365 | efd990e4 | Guido Trotter | # instance's primary/secondary nodes.
|
6366 | efd990e4 | Guido Trotter | if (level == locking.LEVEL_NODE and |
6367 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET): |
6368 | efd990e4 | Guido Trotter | self._LockInstancesNodes()
|
6369 | a8083063 | Iustin Pop | |
6370 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
6371 | a8083063 | Iustin Pop | """Build hooks env.
|
6372 | a8083063 | Iustin Pop |
|
6373 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
6374 | a8083063 | Iustin Pop |
|
6375 | a8083063 | Iustin Pop | """
|
6376 | 2bb5c911 | Michael Hanselmann | instance = self.replacer.instance
|
6377 | a8083063 | Iustin Pop | env = { |
6378 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
6379 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
6380 | 2bb5c911 | Michael Hanselmann | "OLD_SECONDARY": instance.secondary_nodes[0], |
6381 | a8083063 | Iustin Pop | } |
6382 | 2bb5c911 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self, instance))
|
6383 | 0834c866 | Iustin Pop | nl = [ |
6384 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
6385 | 2bb5c911 | Michael Hanselmann | instance.primary_node, |
6386 | 0834c866 | Iustin Pop | ] |
6387 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
6388 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
6389 | a8083063 | Iustin Pop | return env, nl, nl
|
6390 | a8083063 | Iustin Pop | |
6391 | 2bb5c911 | Michael Hanselmann | |
6392 | 7ffc5a86 | Michael Hanselmann | class LUEvacuateNode(LogicalUnit): |
6393 | 7ffc5a86 | Michael Hanselmann | """Relocate the secondary instances from a node.
|
6394 | 7ffc5a86 | Michael Hanselmann |
|
6395 | 7ffc5a86 | Michael Hanselmann | """
|
6396 | 7ffc5a86 | Michael Hanselmann | HPATH = "node-evacuate"
|
6397 | 7ffc5a86 | Michael Hanselmann | HTYPE = constants.HTYPE_NODE |
6398 | 7ffc5a86 | Michael Hanselmann | _OP_REQP = ["node_name"]
|
6399 | 7ffc5a86 | Michael Hanselmann | REQ_BGL = False
|
6400 | 7ffc5a86 | Michael Hanselmann | |
6401 | 7ffc5a86 | Michael Hanselmann | def CheckArguments(self): |
6402 | 7ffc5a86 | Michael Hanselmann | if not hasattr(self.op, "remote_node"): |
6403 | 7ffc5a86 | Michael Hanselmann | self.op.remote_node = None |
6404 | 7ffc5a86 | Michael Hanselmann | if not hasattr(self.op, "iallocator"): |
6405 | 7ffc5a86 | Michael Hanselmann | self.op.iallocator = None |
6406 | 7ffc5a86 | Michael Hanselmann | |
6407 | 7ffc5a86 | Michael Hanselmann | TLReplaceDisks.CheckArguments(constants.REPLACE_DISK_CHG, |
6408 | 7ffc5a86 | Michael Hanselmann | self.op.remote_node,
|
6409 | 7ffc5a86 | Michael Hanselmann | self.op.iallocator)
|
6410 | 7ffc5a86 | Michael Hanselmann | |
6411 | 7ffc5a86 | Michael Hanselmann | def ExpandNames(self): |
6412 | 7ffc5a86 | Michael Hanselmann | self.op.node_name = self.cfg.ExpandNodeName(self.op.node_name) |
6413 | 7ffc5a86 | Michael Hanselmann | if self.op.node_name is None: |
6414 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % self.op.node_name, |
6415 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
6416 | 7ffc5a86 | Michael Hanselmann | |
6417 | 7ffc5a86 | Michael Hanselmann | self.needed_locks = {}
|
6418 | 7ffc5a86 | Michael Hanselmann | |
6419 | 7ffc5a86 | Michael Hanselmann | # Declare node locks
|
6420 | 7ffc5a86 | Michael Hanselmann | if self.op.iallocator is not None: |
6421 | 7ffc5a86 | Michael Hanselmann | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
6422 | 7ffc5a86 | Michael Hanselmann | |
6423 | 7ffc5a86 | Michael Hanselmann | elif self.op.remote_node is not None: |
6424 | 7ffc5a86 | Michael Hanselmann | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
6425 | 7ffc5a86 | Michael Hanselmann | if remote_node is None: |
6426 | 7ffc5a86 | Michael Hanselmann | raise errors.OpPrereqError("Node '%s' not known" % |
6427 | 5c983ee5 | Iustin Pop | self.op.remote_node, errors.ECODE_NOENT)
|
6428 | 7ffc5a86 | Michael Hanselmann | |
6429 | 7ffc5a86 | Michael Hanselmann | self.op.remote_node = remote_node
|
6430 | 7ffc5a86 | Michael Hanselmann | |
6431 | 7ffc5a86 | Michael Hanselmann | # Warning: do not remove the locking of the new secondary here
|
6432 | 7ffc5a86 | Michael Hanselmann | # unless DRBD8.AddChildren is changed to work in parallel;
|
6433 | 7ffc5a86 | Michael Hanselmann | # currently it doesn't since parallel invocations of
|
6434 | 7ffc5a86 | Michael Hanselmann | # FindUnusedMinor will conflict
|
6435 | 7ffc5a86 | Michael Hanselmann | self.needed_locks[locking.LEVEL_NODE] = [remote_node]
|
6436 | 7ffc5a86 | Michael Hanselmann | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
|
6437 | 7ffc5a86 | Michael Hanselmann | |
6438 | 7ffc5a86 | Michael Hanselmann | else:
|
6439 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid parameters", errors.ECODE_INVAL) |
6440 | 7ffc5a86 | Michael Hanselmann | |
6441 | 7ffc5a86 | Michael Hanselmann | # Create tasklets for replacing disks for all secondary instances on this
|
6442 | 7ffc5a86 | Michael Hanselmann | # node
|
6443 | 7ffc5a86 | Michael Hanselmann | names = [] |
6444 | 3a012b41 | Michael Hanselmann | tasklets = [] |
6445 | 7ffc5a86 | Michael Hanselmann | |
6446 | 7ffc5a86 | Michael Hanselmann | for inst in _GetNodeSecondaryInstances(self.cfg, self.op.node_name): |
6447 | 7ffc5a86 | Michael Hanselmann | logging.debug("Replacing disks for instance %s", inst.name)
|
6448 | 7ffc5a86 | Michael Hanselmann | names.append(inst.name) |
6449 | 7ffc5a86 | Michael Hanselmann | |
6450 | 7ffc5a86 | Michael Hanselmann | replacer = TLReplaceDisks(self, inst.name, constants.REPLACE_DISK_CHG,
|
6451 | 7ffc5a86 | Michael Hanselmann | self.op.iallocator, self.op.remote_node, []) |
6452 | 3a012b41 | Michael Hanselmann | tasklets.append(replacer) |
6453 | 7ffc5a86 | Michael Hanselmann | |
6454 | 3a012b41 | Michael Hanselmann | self.tasklets = tasklets
|
6455 | 7ffc5a86 | Michael Hanselmann | self.instance_names = names
|
6456 | 7ffc5a86 | Michael Hanselmann | |
6457 | 7ffc5a86 | Michael Hanselmann | # Declare instance locks
|
6458 | 7ffc5a86 | Michael Hanselmann | self.needed_locks[locking.LEVEL_INSTANCE] = self.instance_names |
6459 | 7ffc5a86 | Michael Hanselmann | |
6460 | 7ffc5a86 | Michael Hanselmann | def DeclareLocks(self, level): |
6461 | 7ffc5a86 | Michael Hanselmann | # If we're not already locking all nodes in the set we have to declare the
|
6462 | 7ffc5a86 | Michael Hanselmann | # instance's primary/secondary nodes.
|
6463 | 7ffc5a86 | Michael Hanselmann | if (level == locking.LEVEL_NODE and |
6464 | 7ffc5a86 | Michael Hanselmann | self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET): |
6465 | 7ffc5a86 | Michael Hanselmann | self._LockInstancesNodes()
|
6466 | 7ffc5a86 | Michael Hanselmann | |
6467 | 7ffc5a86 | Michael Hanselmann | def BuildHooksEnv(self): |
6468 | 7ffc5a86 | Michael Hanselmann | """Build hooks env.
|
6469 | 7ffc5a86 | Michael Hanselmann |
|
6470 | 7ffc5a86 | Michael Hanselmann | This runs on the master, the primary and all the secondaries.
|
6471 | 7ffc5a86 | Michael Hanselmann |
|
6472 | 7ffc5a86 | Michael Hanselmann | """
|
6473 | 7ffc5a86 | Michael Hanselmann | env = { |
6474 | 7ffc5a86 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
6475 | 7ffc5a86 | Michael Hanselmann | } |
6476 | 7ffc5a86 | Michael Hanselmann | |
6477 | 7ffc5a86 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()]
|
6478 | 7ffc5a86 | Michael Hanselmann | |
6479 | 7ffc5a86 | Michael Hanselmann | if self.op.remote_node is not None: |
6480 | 7ffc5a86 | Michael Hanselmann | env["NEW_SECONDARY"] = self.op.remote_node |
6481 | 7ffc5a86 | Michael Hanselmann | nl.append(self.op.remote_node)
|
6482 | 7ffc5a86 | Michael Hanselmann | |
6483 | 7ffc5a86 | Michael Hanselmann | return (env, nl, nl)
|
6484 | 7ffc5a86 | Michael Hanselmann | |
6485 | 7ffc5a86 | Michael Hanselmann | |
6486 | c68174b6 | Michael Hanselmann | class TLReplaceDisks(Tasklet): |
6487 | 2bb5c911 | Michael Hanselmann | """Replaces disks for an instance.
|
6488 | 2bb5c911 | Michael Hanselmann |
|
6489 | 2bb5c911 | Michael Hanselmann | Note: Locking is not within the scope of this class.
|
6490 | 2bb5c911 | Michael Hanselmann |
|
6491 | 2bb5c911 | Michael Hanselmann | """
|
6492 | 2bb5c911 | Michael Hanselmann | def __init__(self, lu, instance_name, mode, iallocator_name, remote_node, |
6493 | 2bb5c911 | Michael Hanselmann | disks): |
6494 | 2bb5c911 | Michael Hanselmann | """Initializes this class.
|
6495 | 2bb5c911 | Michael Hanselmann |
|
6496 | 2bb5c911 | Michael Hanselmann | """
|
6497 | 464243a7 | Michael Hanselmann | Tasklet.__init__(self, lu)
|
6498 | 464243a7 | Michael Hanselmann | |
6499 | 2bb5c911 | Michael Hanselmann | # Parameters
|
6500 | 2bb5c911 | Michael Hanselmann | self.instance_name = instance_name
|
6501 | 2bb5c911 | Michael Hanselmann | self.mode = mode
|
6502 | 2bb5c911 | Michael Hanselmann | self.iallocator_name = iallocator_name
|
6503 | 2bb5c911 | Michael Hanselmann | self.remote_node = remote_node
|
6504 | 2bb5c911 | Michael Hanselmann | self.disks = disks
|
6505 | 2bb5c911 | Michael Hanselmann | |
6506 | 2bb5c911 | Michael Hanselmann | # Runtime data
|
6507 | 2bb5c911 | Michael Hanselmann | self.instance = None |
6508 | 2bb5c911 | Michael Hanselmann | self.new_node = None |
6509 | 2bb5c911 | Michael Hanselmann | self.target_node = None |
6510 | 2bb5c911 | Michael Hanselmann | self.other_node = None |
6511 | 2bb5c911 | Michael Hanselmann | self.remote_node_info = None |
6512 | 2bb5c911 | Michael Hanselmann | self.node_secondary_ip = None |
6513 | 2bb5c911 | Michael Hanselmann | |
6514 | 2bb5c911 | Michael Hanselmann | @staticmethod
|
6515 | 2bb5c911 | Michael Hanselmann | def CheckArguments(mode, remote_node, iallocator): |
6516 | c68174b6 | Michael Hanselmann | """Helper function for users of this class.
|
6517 | c68174b6 | Michael Hanselmann |
|
6518 | c68174b6 | Michael Hanselmann | """
|
6519 | 2bb5c911 | Michael Hanselmann | # check for valid parameter combination
|
6520 | 2bb5c911 | Michael Hanselmann | if mode == constants.REPLACE_DISK_CHG:
|
6521 | 02a00186 | Michael Hanselmann | if remote_node is None and iallocator is None: |
6522 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("When changing the secondary either an" |
6523 | 2bb5c911 | Michael Hanselmann | " iallocator script must be used or the"
|
6524 | 5c983ee5 | Iustin Pop | " new node given", errors.ECODE_INVAL)
|
6525 | 02a00186 | Michael Hanselmann | |
6526 | 02a00186 | Michael Hanselmann | if remote_node is not None and iallocator is not None: |
6527 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("Give either the iallocator or the new" |
6528 | 5c983ee5 | Iustin Pop | " secondary, not both", errors.ECODE_INVAL)
|
6529 | 02a00186 | Michael Hanselmann | |
6530 | 02a00186 | Michael Hanselmann | elif remote_node is not None or iallocator is not None: |
6531 | 02a00186 | Michael Hanselmann | # Not replacing the secondary
|
6532 | 02a00186 | Michael Hanselmann | raise errors.OpPrereqError("The iallocator and new node options can" |
6533 | 02a00186 | Michael Hanselmann | " only be used when changing the"
|
6534 | 5c983ee5 | Iustin Pop | " secondary node", errors.ECODE_INVAL)
|
6535 | 2bb5c911 | Michael Hanselmann | |
6536 | 2bb5c911 | Michael Hanselmann | @staticmethod
|
6537 | 2bb5c911 | Michael Hanselmann | def _RunAllocator(lu, iallocator_name, instance_name, relocate_from): |
6538 | 2bb5c911 | Michael Hanselmann | """Compute a new secondary node using an IAllocator.
|
6539 | 2bb5c911 | Michael Hanselmann |
|
6540 | 2bb5c911 | Michael Hanselmann | """
|
6541 | 2bb5c911 | Michael Hanselmann | ial = IAllocator(lu.cfg, lu.rpc, |
6542 | 2bb5c911 | Michael Hanselmann | mode=constants.IALLOCATOR_MODE_RELOC, |
6543 | 2bb5c911 | Michael Hanselmann | name=instance_name, |
6544 | 2bb5c911 | Michael Hanselmann | relocate_from=relocate_from) |
6545 | 2bb5c911 | Michael Hanselmann | |
6546 | 2bb5c911 | Michael Hanselmann | ial.Run(iallocator_name) |
6547 | 2bb5c911 | Michael Hanselmann | |
6548 | 2bb5c911 | Michael Hanselmann | if not ial.success: |
6549 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("Can't compute nodes using iallocator '%s':" |
6550 | 5c983ee5 | Iustin Pop | " %s" % (iallocator_name, ial.info),
|
6551 | 5c983ee5 | Iustin Pop | errors.ECODE_NORES) |
6552 | 2bb5c911 | Michael Hanselmann | |
6553 | 2bb5c911 | Michael Hanselmann | if len(ial.nodes) != ial.required_nodes: |
6554 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
6555 | 2bb5c911 | Michael Hanselmann | " of nodes (%s), required %s" %
|
6556 | d984846d | Iustin Pop | (iallocator_name, |
6557 | d984846d | Iustin Pop | len(ial.nodes), ial.required_nodes),
|
6558 | 5c983ee5 | Iustin Pop | errors.ECODE_FAULT) |
6559 | 2bb5c911 | Michael Hanselmann | |
6560 | 2bb5c911 | Michael Hanselmann | remote_node_name = ial.nodes[0]
|
6561 | 2bb5c911 | Michael Hanselmann | |
6562 | 2bb5c911 | Michael Hanselmann | lu.LogInfo("Selected new secondary for instance '%s': %s",
|
6563 | 2bb5c911 | Michael Hanselmann | instance_name, remote_node_name) |
6564 | 2bb5c911 | Michael Hanselmann | |
6565 | 2bb5c911 | Michael Hanselmann | return remote_node_name
|
6566 | 2bb5c911 | Michael Hanselmann | |
6567 | 942be002 | Michael Hanselmann | def _FindFaultyDisks(self, node_name): |
6568 | 2d9005d8 | Michael Hanselmann | return _FindFaultyInstanceDisks(self.cfg, self.rpc, self.instance, |
6569 | 2d9005d8 | Michael Hanselmann | node_name, True)
|
6570 | 942be002 | Michael Hanselmann | |
6571 | 2bb5c911 | Michael Hanselmann | def CheckPrereq(self): |
6572 | 2bb5c911 | Michael Hanselmann | """Check prerequisites.
|
6573 | 2bb5c911 | Michael Hanselmann |
|
6574 | 2bb5c911 | Michael Hanselmann | This checks that the instance is in the cluster.
|
6575 | 2bb5c911 | Michael Hanselmann |
|
6576 | 2bb5c911 | Michael Hanselmann | """
|
6577 | e9022531 | Iustin Pop | self.instance = instance = self.cfg.GetInstanceInfo(self.instance_name) |
6578 | e9022531 | Iustin Pop | assert instance is not None, \ |
6579 | 20eca47d | Iustin Pop | "Cannot retrieve locked instance %s" % self.instance_name |
6580 | 2bb5c911 | Michael Hanselmann | |
6581 | e9022531 | Iustin Pop | if instance.disk_template != constants.DT_DRBD8:
|
6582 | 7e9366f7 | Iustin Pop | raise errors.OpPrereqError("Can only run replace disks for DRBD8-based" |
6583 | 5c983ee5 | Iustin Pop | " instances", errors.ECODE_INVAL)
|
6584 | a8083063 | Iustin Pop | |
6585 | e9022531 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
6586 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
6587 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
6588 | 5c983ee5 | Iustin Pop | len(instance.secondary_nodes),
|
6589 | 5c983ee5 | Iustin Pop | errors.ECODE_FAULT) |
6590 | a8083063 | Iustin Pop | |
6591 | e9022531 | Iustin Pop | secondary_node = instance.secondary_nodes[0]
|
6592 | a9e0c397 | Iustin Pop | |
6593 | 2bb5c911 | Michael Hanselmann | if self.iallocator_name is None: |
6594 | 2bb5c911 | Michael Hanselmann | remote_node = self.remote_node
|
6595 | 2bb5c911 | Michael Hanselmann | else:
|
6596 | 2bb5c911 | Michael Hanselmann | remote_node = self._RunAllocator(self.lu, self.iallocator_name, |
6597 | e9022531 | Iustin Pop | instance.name, instance.secondary_nodes) |
6598 | b6e82a65 | Iustin Pop | |
6599 | a9e0c397 | Iustin Pop | if remote_node is not None: |
6600 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
6601 | efd990e4 | Guido Trotter | assert self.remote_node_info is not None, \ |
6602 | efd990e4 | Guido Trotter | "Cannot retrieve locked node %s" % remote_node
|
6603 | a9e0c397 | Iustin Pop | else:
|
6604 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
6605 | 2bb5c911 | Michael Hanselmann | |
6606 | 2bb5c911 | Michael Hanselmann | if remote_node == self.instance.primary_node: |
6607 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
6608 | 5c983ee5 | Iustin Pop | " the instance.", errors.ECODE_INVAL)
|
6609 | 2bb5c911 | Michael Hanselmann | |
6610 | 2bb5c911 | Michael Hanselmann | if remote_node == secondary_node:
|
6611 | 7e9366f7 | Iustin Pop | raise errors.OpPrereqError("The specified node is already the" |
6612 | 5c983ee5 | Iustin Pop | " secondary node of the instance.",
|
6613 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
6614 | 7e9366f7 | Iustin Pop | |
6615 | 2945fd2d | Michael Hanselmann | if self.disks and self.mode in (constants.REPLACE_DISK_AUTO, |
6616 | 2945fd2d | Michael Hanselmann | constants.REPLACE_DISK_CHG): |
6617 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Cannot specify disks to be replaced", |
6618 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
6619 | 942be002 | Michael Hanselmann | |
6620 | 2945fd2d | Michael Hanselmann | if self.mode == constants.REPLACE_DISK_AUTO: |
6621 | e9022531 | Iustin Pop | faulty_primary = self._FindFaultyDisks(instance.primary_node)
|
6622 | 942be002 | Michael Hanselmann | faulty_secondary = self._FindFaultyDisks(secondary_node)
|
6623 | 942be002 | Michael Hanselmann | |
6624 | 942be002 | Michael Hanselmann | if faulty_primary and faulty_secondary: |
6625 | 942be002 | Michael Hanselmann | raise errors.OpPrereqError("Instance %s has faulty disks on more than" |
6626 | 942be002 | Michael Hanselmann | " one node and can not be repaired"
|
6627 | 5c983ee5 | Iustin Pop | " automatically" % self.instance_name, |
6628 | 5c983ee5 | Iustin Pop | errors.ECODE_STATE) |
6629 | 942be002 | Michael Hanselmann | |
6630 | 942be002 | Michael Hanselmann | if faulty_primary:
|
6631 | 942be002 | Michael Hanselmann | self.disks = faulty_primary
|
6632 | e9022531 | Iustin Pop | self.target_node = instance.primary_node
|
6633 | 942be002 | Michael Hanselmann | self.other_node = secondary_node
|
6634 | 942be002 | Michael Hanselmann | check_nodes = [self.target_node, self.other_node] |
6635 | 942be002 | Michael Hanselmann | elif faulty_secondary:
|
6636 | 942be002 | Michael Hanselmann | self.disks = faulty_secondary
|
6637 | 942be002 | Michael Hanselmann | self.target_node = secondary_node
|
6638 | e9022531 | Iustin Pop | self.other_node = instance.primary_node
|
6639 | 942be002 | Michael Hanselmann | check_nodes = [self.target_node, self.other_node] |
6640 | 942be002 | Michael Hanselmann | else:
|
6641 | 942be002 | Michael Hanselmann | self.disks = []
|
6642 | 942be002 | Michael Hanselmann | check_nodes = [] |
6643 | 942be002 | Michael Hanselmann | |
6644 | 942be002 | Michael Hanselmann | else:
|
6645 | 942be002 | Michael Hanselmann | # Non-automatic modes
|
6646 | 942be002 | Michael Hanselmann | if self.mode == constants.REPLACE_DISK_PRI: |
6647 | e9022531 | Iustin Pop | self.target_node = instance.primary_node
|
6648 | 942be002 | Michael Hanselmann | self.other_node = secondary_node
|
6649 | 942be002 | Michael Hanselmann | check_nodes = [self.target_node, self.other_node] |
6650 | 7e9366f7 | Iustin Pop | |
6651 | 942be002 | Michael Hanselmann | elif self.mode == constants.REPLACE_DISK_SEC: |
6652 | 942be002 | Michael Hanselmann | self.target_node = secondary_node
|
6653 | e9022531 | Iustin Pop | self.other_node = instance.primary_node
|
6654 | 942be002 | Michael Hanselmann | check_nodes = [self.target_node, self.other_node] |
6655 | a9e0c397 | Iustin Pop | |
6656 | 942be002 | Michael Hanselmann | elif self.mode == constants.REPLACE_DISK_CHG: |
6657 | 942be002 | Michael Hanselmann | self.new_node = remote_node
|
6658 | e9022531 | Iustin Pop | self.other_node = instance.primary_node
|
6659 | 942be002 | Michael Hanselmann | self.target_node = secondary_node
|
6660 | 942be002 | Michael Hanselmann | check_nodes = [self.new_node, self.other_node] |
6661 | 54155f52 | Iustin Pop | |
6662 | 942be002 | Michael Hanselmann | _CheckNodeNotDrained(self.lu, remote_node)
|
6663 | a8083063 | Iustin Pop | |
6664 | 942be002 | Michael Hanselmann | else:
|
6665 | 942be002 | Michael Hanselmann | raise errors.ProgrammerError("Unhandled disk replace mode (%s)" % |
6666 | 942be002 | Michael Hanselmann | self.mode)
|
6667 | 942be002 | Michael Hanselmann | |
6668 | 942be002 | Michael Hanselmann | # If not specified all disks should be replaced
|
6669 | 942be002 | Michael Hanselmann | if not self.disks: |
6670 | 942be002 | Michael Hanselmann | self.disks = range(len(self.instance.disks)) |
6671 | a9e0c397 | Iustin Pop | |
6672 | 2bb5c911 | Michael Hanselmann | for node in check_nodes: |
6673 | 2bb5c911 | Michael Hanselmann | _CheckNodeOnline(self.lu, node)
|
6674 | e4376078 | Iustin Pop | |
6675 | 2bb5c911 | Michael Hanselmann | # Check whether disks are valid
|
6676 | 2bb5c911 | Michael Hanselmann | for disk_idx in self.disks: |
6677 | e9022531 | Iustin Pop | instance.FindDisk(disk_idx) |
6678 | e4376078 | Iustin Pop | |
6679 | 2bb5c911 | Michael Hanselmann | # Get secondary node IP addresses
|
6680 | 2bb5c911 | Michael Hanselmann | node_2nd_ip = {} |
6681 | e4376078 | Iustin Pop | |
6682 | 2bb5c911 | Michael Hanselmann | for node_name in [self.target_node, self.other_node, self.new_node]: |
6683 | 2bb5c911 | Michael Hanselmann | if node_name is not None: |
6684 | 2bb5c911 | Michael Hanselmann | node_2nd_ip[node_name] = self.cfg.GetNodeInfo(node_name).secondary_ip
|
6685 | e4376078 | Iustin Pop | |
6686 | 2bb5c911 | Michael Hanselmann | self.node_secondary_ip = node_2nd_ip
|
6687 | a9e0c397 | Iustin Pop | |
6688 | c68174b6 | Michael Hanselmann | def Exec(self, feedback_fn): |
6689 | 2bb5c911 | Michael Hanselmann | """Execute disk replacement.
|
6690 | 2bb5c911 | Michael Hanselmann |
|
6691 | 2bb5c911 | Michael Hanselmann | This dispatches the disk replacement to the appropriate handler.
|
6692 | cff90b79 | Iustin Pop |
|
6693 | a9e0c397 | Iustin Pop | """
|
6694 | 942be002 | Michael Hanselmann | if not self.disks: |
6695 | 942be002 | Michael Hanselmann | feedback_fn("No disks need replacement")
|
6696 | 942be002 | Michael Hanselmann | return
|
6697 | 942be002 | Michael Hanselmann | |
6698 | 942be002 | Michael Hanselmann | feedback_fn("Replacing disk(s) %s for %s" %
|
6699 | 1f864b60 | Iustin Pop | (utils.CommaJoin(self.disks), self.instance.name)) |
6700 | 7ffc5a86 | Michael Hanselmann | |
6701 | 2bb5c911 | Michael Hanselmann | activate_disks = (not self.instance.admin_up) |
6702 | 2bb5c911 | Michael Hanselmann | |
6703 | 2bb5c911 | Michael Hanselmann | # Activate the instance disks if we're replacing them on a down instance
|
6704 | 2bb5c911 | Michael Hanselmann | if activate_disks:
|
6705 | 2bb5c911 | Michael Hanselmann | _StartInstanceDisks(self.lu, self.instance, True) |
6706 | 2bb5c911 | Michael Hanselmann | |
6707 | 2bb5c911 | Michael Hanselmann | try:
|
6708 | 942be002 | Michael Hanselmann | # Should we replace the secondary node?
|
6709 | 942be002 | Michael Hanselmann | if self.new_node is not None: |
6710 | a4eae71f | Michael Hanselmann | fn = self._ExecDrbd8Secondary
|
6711 | 2bb5c911 | Michael Hanselmann | else:
|
6712 | a4eae71f | Michael Hanselmann | fn = self._ExecDrbd8DiskOnly
|
6713 | a4eae71f | Michael Hanselmann | |
6714 | a4eae71f | Michael Hanselmann | return fn(feedback_fn)
|
6715 | 2bb5c911 | Michael Hanselmann | |
6716 | 2bb5c911 | Michael Hanselmann | finally:
|
6717 | 5c983ee5 | Iustin Pop | # Deactivate the instance disks if we're replacing them on a
|
6718 | 5c983ee5 | Iustin Pop | # down instance
|
6719 | 2bb5c911 | Michael Hanselmann | if activate_disks:
|
6720 | 2bb5c911 | Michael Hanselmann | _SafeShutdownInstanceDisks(self.lu, self.instance) |
6721 | 2bb5c911 | Michael Hanselmann | |
6722 | 2bb5c911 | Michael Hanselmann | def _CheckVolumeGroup(self, nodes): |
6723 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Checking volume groups") |
6724 | 2bb5c911 | Michael Hanselmann | |
6725 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
6726 | cff90b79 | Iustin Pop | |
6727 | 2bb5c911 | Michael Hanselmann | # Make sure volume group exists on all involved nodes
|
6728 | 2bb5c911 | Michael Hanselmann | results = self.rpc.call_vg_list(nodes)
|
6729 | cff90b79 | Iustin Pop | if not results: |
6730 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
6731 | 2bb5c911 | Michael Hanselmann | |
6732 | 2bb5c911 | Michael Hanselmann | for node in nodes: |
6733 | 781de953 | Iustin Pop | res = results[node] |
6734 | 4c4e4e1e | Iustin Pop | res.Raise("Error checking node %s" % node)
|
6735 | 2bb5c911 | Michael Hanselmann | if vgname not in res.payload: |
6736 | 2bb5c911 | Michael Hanselmann | raise errors.OpExecError("Volume group '%s' not found on node %s" % |
6737 | 2bb5c911 | Michael Hanselmann | (vgname, node)) |
6738 | 2bb5c911 | Michael Hanselmann | |
6739 | 2bb5c911 | Michael Hanselmann | def _CheckDisksExistence(self, nodes): |
6740 | 2bb5c911 | Michael Hanselmann | # Check disk existence
|
6741 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
6742 | 2bb5c911 | Michael Hanselmann | if idx not in self.disks: |
6743 | cff90b79 | Iustin Pop | continue
|
6744 | 2bb5c911 | Michael Hanselmann | |
6745 | 2bb5c911 | Michael Hanselmann | for node in nodes: |
6746 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Checking disk/%d on %s" % (idx, node)) |
6747 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, node)
|
6748 | 2bb5c911 | Michael Hanselmann | |
6749 | 23829f6f | Iustin Pop | result = self.rpc.call_blockdev_find(node, dev)
|
6750 | 2bb5c911 | Michael Hanselmann | |
6751 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
6752 | 2bb5c911 | Michael Hanselmann | if msg or not result.payload: |
6753 | 2bb5c911 | Michael Hanselmann | if not msg: |
6754 | 2bb5c911 | Michael Hanselmann | msg = "disk not found"
|
6755 | 23829f6f | Iustin Pop | raise errors.OpExecError("Can't find disk/%d on node %s: %s" % |
6756 | 23829f6f | Iustin Pop | (idx, node, msg)) |
6757 | cff90b79 | Iustin Pop | |
6758 | 2bb5c911 | Michael Hanselmann | def _CheckDisksConsistency(self, node_name, on_primary, ldisk): |
6759 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
6760 | 2bb5c911 | Michael Hanselmann | if idx not in self.disks: |
6761 | cff90b79 | Iustin Pop | continue
|
6762 | cff90b79 | Iustin Pop | |
6763 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Checking disk/%d consistency on node %s" % |
6764 | 2bb5c911 | Michael Hanselmann | (idx, node_name)) |
6765 | 2bb5c911 | Michael Hanselmann | |
6766 | 2bb5c911 | Michael Hanselmann | if not _CheckDiskConsistency(self.lu, dev, node_name, on_primary, |
6767 | 2bb5c911 | Michael Hanselmann | ldisk=ldisk): |
6768 | 2bb5c911 | Michael Hanselmann | raise errors.OpExecError("Node %s has degraded storage, unsafe to" |
6769 | 2bb5c911 | Michael Hanselmann | " replace disks for instance %s" %
|
6770 | 2bb5c911 | Michael Hanselmann | (node_name, self.instance.name))
|
6771 | 2bb5c911 | Michael Hanselmann | |
6772 | 2bb5c911 | Michael Hanselmann | def _CreateNewStorage(self, node_name): |
6773 | 2bb5c911 | Michael Hanselmann | vgname = self.cfg.GetVGName()
|
6774 | 2bb5c911 | Michael Hanselmann | iv_names = {} |
6775 | 2bb5c911 | Michael Hanselmann | |
6776 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
6777 | 2bb5c911 | Michael Hanselmann | if idx not in self.disks: |
6778 | a9e0c397 | Iustin Pop | continue
|
6779 | 2bb5c911 | Michael Hanselmann | |
6780 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Adding storage on %s for disk/%d" % (node_name, idx)) |
6781 | 2bb5c911 | Michael Hanselmann | |
6782 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, node_name)
|
6783 | 2bb5c911 | Michael Hanselmann | |
6784 | 2bb5c911 | Michael Hanselmann | lv_names = [".disk%d_%s" % (idx, suffix) for suffix in ["data", "meta"]] |
6785 | 2bb5c911 | Michael Hanselmann | names = _GenerateUniqueNames(self.lu, lv_names)
|
6786 | 2bb5c911 | Michael Hanselmann | |
6787 | 2bb5c911 | Michael Hanselmann | lv_data = objects.Disk(dev_type=constants.LD_LV, size=dev.size, |
6788 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
6789 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
6790 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
6791 | 2bb5c911 | Michael Hanselmann | |
6792 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
6793 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
6794 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
6795 | 2bb5c911 | Michael Hanselmann | |
6796 | 428958aa | Iustin Pop | # we pass force_create=True to force the LVM creation
|
6797 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
6798 | 2bb5c911 | Michael Hanselmann | _CreateBlockDev(self.lu, node_name, self.instance, new_lv, True, |
6799 | 2bb5c911 | Michael Hanselmann | _GetInstanceInfoText(self.instance), False) |
6800 | 2bb5c911 | Michael Hanselmann | |
6801 | 2bb5c911 | Michael Hanselmann | return iv_names
|
6802 | 2bb5c911 | Michael Hanselmann | |
6803 | 2bb5c911 | Michael Hanselmann | def _CheckDevices(self, node_name, iv_names): |
6804 | 1122eb25 | Iustin Pop | for name, (dev, _, _) in iv_names.iteritems(): |
6805 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, node_name)
|
6806 | 2bb5c911 | Michael Hanselmann | |
6807 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_blockdev_find(node_name, dev)
|
6808 | 2bb5c911 | Michael Hanselmann | |
6809 | 2bb5c911 | Michael Hanselmann | msg = result.fail_msg |
6810 | 2bb5c911 | Michael Hanselmann | if msg or not result.payload: |
6811 | 2bb5c911 | Michael Hanselmann | if not msg: |
6812 | 2bb5c911 | Michael Hanselmann | msg = "disk not found"
|
6813 | 2bb5c911 | Michael Hanselmann | raise errors.OpExecError("Can't find DRBD device %s: %s" % |
6814 | 2bb5c911 | Michael Hanselmann | (name, msg)) |
6815 | 2bb5c911 | Michael Hanselmann | |
6816 | 96acbc09 | Michael Hanselmann | if result.payload.is_degraded:
|
6817 | 2bb5c911 | Michael Hanselmann | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
6818 | 2bb5c911 | Michael Hanselmann | |
6819 | 2bb5c911 | Michael Hanselmann | def _RemoveOldStorage(self, node_name, iv_names): |
6820 | 1122eb25 | Iustin Pop | for name, (_, old_lvs, _) in iv_names.iteritems(): |
6821 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Remove logical volumes for %s" % name) |
6822 | 2bb5c911 | Michael Hanselmann | |
6823 | 2bb5c911 | Michael Hanselmann | for lv in old_lvs: |
6824 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(lv, node_name)
|
6825 | 2bb5c911 | Michael Hanselmann | |
6826 | 2bb5c911 | Michael Hanselmann | msg = self.rpc.call_blockdev_remove(node_name, lv).fail_msg
|
6827 | 2bb5c911 | Michael Hanselmann | if msg:
|
6828 | 2bb5c911 | Michael Hanselmann | self.lu.LogWarning("Can't remove old LV: %s" % msg, |
6829 | 2bb5c911 | Michael Hanselmann | hint="remove unused LVs manually")
|
6830 | 2bb5c911 | Michael Hanselmann | |
6831 | a4eae71f | Michael Hanselmann | def _ExecDrbd8DiskOnly(self, feedback_fn): |
6832 | 2bb5c911 | Michael Hanselmann | """Replace a disk on the primary or secondary for DRBD 8.
|
6833 | 2bb5c911 | Michael Hanselmann |
|
6834 | 2bb5c911 | Michael Hanselmann | The algorithm for replace is quite complicated:
|
6835 | 2bb5c911 | Michael Hanselmann |
|
6836 | 2bb5c911 | Michael Hanselmann | 1. for each disk to be replaced:
|
6837 | 2bb5c911 | Michael Hanselmann |
|
6838 | 2bb5c911 | Michael Hanselmann | 1. create new LVs on the target node with unique names
|
6839 | 2bb5c911 | Michael Hanselmann | 1. detach old LVs from the drbd device
|
6840 | 2bb5c911 | Michael Hanselmann | 1. rename old LVs to name_replaced.<time_t>
|
6841 | 2bb5c911 | Michael Hanselmann | 1. rename new LVs to old LVs
|
6842 | 2bb5c911 | Michael Hanselmann | 1. attach the new LVs (with the old names now) to the drbd device
|
6843 | 2bb5c911 | Michael Hanselmann |
|
6844 | 2bb5c911 | Michael Hanselmann | 1. wait for sync across all devices
|
6845 | 2bb5c911 | Michael Hanselmann |
|
6846 | 2bb5c911 | Michael Hanselmann | 1. for each modified disk:
|
6847 | 2bb5c911 | Michael Hanselmann |
|
6848 | 2bb5c911 | Michael Hanselmann | 1. remove old LVs (which have the name name_replaces.<time_t>)
|
6849 | 2bb5c911 | Michael Hanselmann |
|
6850 | 2bb5c911 | Michael Hanselmann | Failures are not very well handled.
|
6851 | 2bb5c911 | Michael Hanselmann |
|
6852 | 2bb5c911 | Michael Hanselmann | """
|
6853 | 2bb5c911 | Michael Hanselmann | steps_total = 6
|
6854 | 2bb5c911 | Michael Hanselmann | |
6855 | 2bb5c911 | Michael Hanselmann | # Step: check device activation
|
6856 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(1, steps_total, "Check device existence") |
6857 | 2bb5c911 | Michael Hanselmann | self._CheckDisksExistence([self.other_node, self.target_node]) |
6858 | 2bb5c911 | Michael Hanselmann | self._CheckVolumeGroup([self.target_node, self.other_node]) |
6859 | 2bb5c911 | Michael Hanselmann | |
6860 | 2bb5c911 | Michael Hanselmann | # Step: check other node consistency
|
6861 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(2, steps_total, "Check peer consistency") |
6862 | 2bb5c911 | Michael Hanselmann | self._CheckDisksConsistency(self.other_node, |
6863 | 2bb5c911 | Michael Hanselmann | self.other_node == self.instance.primary_node, |
6864 | 2bb5c911 | Michael Hanselmann | False)
|
6865 | 2bb5c911 | Michael Hanselmann | |
6866 | 2bb5c911 | Michael Hanselmann | # Step: create new storage
|
6867 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(3, steps_total, "Allocate new storage") |
6868 | 2bb5c911 | Michael Hanselmann | iv_names = self._CreateNewStorage(self.target_node) |
6869 | a9e0c397 | Iustin Pop | |
6870 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
6871 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(4, steps_total, "Changing drbd configuration") |
6872 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
6873 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Detaching %s drbd from local storage" % dev.iv_name) |
6874 | 2bb5c911 | Michael Hanselmann | |
6875 | 4d4a651d | Michael Hanselmann | result = self.rpc.call_blockdev_removechildren(self.target_node, dev, |
6876 | 4d4a651d | Michael Hanselmann | old_lvs) |
6877 | 4c4e4e1e | Iustin Pop | result.Raise("Can't detach drbd from local storage on node"
|
6878 | 2bb5c911 | Michael Hanselmann | " %s for device %s" % (self.target_node, dev.iv_name)) |
6879 | cff90b79 | Iustin Pop | #dev.children = []
|
6880 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
6881 | a9e0c397 | Iustin Pop | |
6882 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
6883 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
6884 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
6885 | c99a3cc0 | Manuel Franceschini | # using the assumption that logical_id == physical_id (which in
|
6886 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
6887 | cff90b79 | Iustin Pop | |
6888 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
6889 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
6890 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
6891 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
6892 | 2bb5c911 | Michael Hanselmann | |
6893 | 2bb5c911 | Michael Hanselmann | # Build the rename list based on what LVs exist on the node
|
6894 | 2bb5c911 | Michael Hanselmann | rename_old_to_new = [] |
6895 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
6896 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_blockdev_find(self.target_node, to_ren) |
6897 | 4c4e4e1e | Iustin Pop | if not result.fail_msg and result.payload: |
6898 | 23829f6f | Iustin Pop | # device exists
|
6899 | 2bb5c911 | Michael Hanselmann | rename_old_to_new.append((to_ren, ren_fn(to_ren, temp_suffix))) |
6900 | cff90b79 | Iustin Pop | |
6901 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Renaming the old LVs on the target node") |
6902 | 4d4a651d | Michael Hanselmann | result = self.rpc.call_blockdev_rename(self.target_node, |
6903 | 4d4a651d | Michael Hanselmann | rename_old_to_new) |
6904 | 2bb5c911 | Michael Hanselmann | result.Raise("Can't rename old LVs on node %s" % self.target_node) |
6905 | 2bb5c911 | Michael Hanselmann | |
6906 | 2bb5c911 | Michael Hanselmann | # Now we rename the new LVs to the old LVs
|
6907 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Renaming the new LVs on the target node") |
6908 | 2bb5c911 | Michael Hanselmann | rename_new_to_old = [(new, old.physical_id) |
6909 | 2bb5c911 | Michael Hanselmann | for old, new in zip(old_lvs, new_lvs)] |
6910 | 4d4a651d | Michael Hanselmann | result = self.rpc.call_blockdev_rename(self.target_node, |
6911 | 4d4a651d | Michael Hanselmann | rename_new_to_old) |
6912 | 2bb5c911 | Michael Hanselmann | result.Raise("Can't rename new LVs on node %s" % self.target_node) |
6913 | cff90b79 | Iustin Pop | |
6914 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
6915 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
6916 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(new, self.target_node) |
6917 | a9e0c397 | Iustin Pop | |
6918 | cff90b79 | Iustin Pop | for disk in old_lvs: |
6919 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
6920 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(disk, self.target_node) |
6921 | a9e0c397 | Iustin Pop | |
6922 | 2bb5c911 | Michael Hanselmann | # Now that the new lvs have the old name, we can add them to the device
|
6923 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Adding new mirror component on %s" % self.target_node) |
6924 | 4d4a651d | Michael Hanselmann | result = self.rpc.call_blockdev_addchildren(self.target_node, dev, |
6925 | 4d4a651d | Michael Hanselmann | new_lvs) |
6926 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
6927 | 2cc1da8b | Iustin Pop | if msg:
|
6928 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
6929 | 4d4a651d | Michael Hanselmann | msg2 = self.rpc.call_blockdev_remove(self.target_node, |
6930 | 4d4a651d | Michael Hanselmann | new_lv).fail_msg |
6931 | 4c4e4e1e | Iustin Pop | if msg2:
|
6932 | 2bb5c911 | Michael Hanselmann | self.lu.LogWarning("Can't rollback device %s: %s", dev, msg2, |
6933 | 2bb5c911 | Michael Hanselmann | hint=("cleanup manually the unused logical"
|
6934 | 2bb5c911 | Michael Hanselmann | "volumes"))
|
6935 | 2cc1da8b | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd: %s" % msg) |
6936 | a9e0c397 | Iustin Pop | |
6937 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
6938 | a9e0c397 | Iustin Pop | |
6939 | a4eae71f | Michael Hanselmann | self.cfg.Update(self.instance, feedback_fn) |
6940 | a9e0c397 | Iustin Pop | |
6941 | 2bb5c911 | Michael Hanselmann | # Wait for sync
|
6942 | 2bb5c911 | Michael Hanselmann | # This can fail as the old devices are degraded and _WaitForSync
|
6943 | 2bb5c911 | Michael Hanselmann | # does a combined result over all disks, so we don't check its return value
|
6944 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(5, steps_total, "Sync devices") |
6945 | b6c07b79 | Michael Hanselmann | _WaitForSync(self.lu, self.instance) |
6946 | a9e0c397 | Iustin Pop | |
6947 | 2bb5c911 | Michael Hanselmann | # Check all devices manually
|
6948 | 2bb5c911 | Michael Hanselmann | self._CheckDevices(self.instance.primary_node, iv_names) |
6949 | a9e0c397 | Iustin Pop | |
6950 | cff90b79 | Iustin Pop | # Step: remove old storage
|
6951 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(6, steps_total, "Removing old storage") |
6952 | 2bb5c911 | Michael Hanselmann | self._RemoveOldStorage(self.target_node, iv_names) |
6953 | a9e0c397 | Iustin Pop | |
6954 | a4eae71f | Michael Hanselmann | def _ExecDrbd8Secondary(self, feedback_fn): |
6955 | 2bb5c911 | Michael Hanselmann | """Replace the secondary node for DRBD 8.
|
6956 | a9e0c397 | Iustin Pop |
|
6957 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
6958 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
6959 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
6960 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
6961 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
6962 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
6963 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
6964 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
6965 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
6966 | a9e0c397 | Iustin Pop | not network enabled
|
6967 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
6968 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
6969 | a9e0c397 | Iustin Pop |
|
6970 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
6971 | 0834c866 | Iustin Pop |
|
6972 | a9e0c397 | Iustin Pop | """
|
6973 | 0834c866 | Iustin Pop | steps_total = 6
|
6974 | 0834c866 | Iustin Pop | |
6975 | 0834c866 | Iustin Pop | # Step: check device activation
|
6976 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(1, steps_total, "Check device existence") |
6977 | 2bb5c911 | Michael Hanselmann | self._CheckDisksExistence([self.instance.primary_node]) |
6978 | 2bb5c911 | Michael Hanselmann | self._CheckVolumeGroup([self.instance.primary_node]) |
6979 | 0834c866 | Iustin Pop | |
6980 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
6981 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(2, steps_total, "Check peer consistency") |
6982 | 2bb5c911 | Michael Hanselmann | self._CheckDisksConsistency(self.instance.primary_node, True, True) |
6983 | 0834c866 | Iustin Pop | |
6984 | 0834c866 | Iustin Pop | # Step: create new storage
|
6985 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(3, steps_total, "Allocate new storage") |
6986 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
6987 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Adding new local storage on %s for disk/%d" % |
6988 | 2bb5c911 | Michael Hanselmann | (self.new_node, idx))
|
6989 | 428958aa | Iustin Pop | # we pass force_create=True to force LVM creation
|
6990 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
6991 | 2bb5c911 | Michael Hanselmann | _CreateBlockDev(self.lu, self.new_node, self.instance, new_lv, True, |
6992 | 2bb5c911 | Michael Hanselmann | _GetInstanceInfoText(self.instance), False) |
6993 | a9e0c397 | Iustin Pop | |
6994 | 468b46f9 | Iustin Pop | # Step 4: dbrd minors and drbd setups changes
|
6995 | a1578d63 | Iustin Pop | # after this, we must manually remove the drbd minors on both the
|
6996 | a1578d63 | Iustin Pop | # error and the success paths
|
6997 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(4, steps_total, "Changing drbd configuration") |
6998 | 4d4a651d | Michael Hanselmann | minors = self.cfg.AllocateDRBDMinor([self.new_node |
6999 | 4d4a651d | Michael Hanselmann | for dev in self.instance.disks], |
7000 | 2bb5c911 | Michael Hanselmann | self.instance.name)
|
7001 | 099c52ad | Iustin Pop | logging.debug("Allocated minors %r", minors)
|
7002 | 2bb5c911 | Michael Hanselmann | |
7003 | 2bb5c911 | Michael Hanselmann | iv_names = {} |
7004 | 2bb5c911 | Michael Hanselmann | for idx, (dev, new_minor) in enumerate(zip(self.instance.disks, minors)): |
7005 | 4d4a651d | Michael Hanselmann | self.lu.LogInfo("activating a new drbd on %s for disk/%d" % |
7006 | 4d4a651d | Michael Hanselmann | (self.new_node, idx))
|
7007 | a2d59d8b | Iustin Pop | # create new devices on new_node; note that we create two IDs:
|
7008 | a2d59d8b | Iustin Pop | # one without port, so the drbd will be activated without
|
7009 | a2d59d8b | Iustin Pop | # networking information on the new node at this stage, and one
|
7010 | a2d59d8b | Iustin Pop | # with network, for the latter activation in step 4
|
7011 | a2d59d8b | Iustin Pop | (o_node1, o_node2, o_port, o_minor1, o_minor2, o_secret) = dev.logical_id |
7012 | 2bb5c911 | Michael Hanselmann | if self.instance.primary_node == o_node1: |
7013 | a2d59d8b | Iustin Pop | p_minor = o_minor1 |
7014 | ffa1c0dc | Iustin Pop | else:
|
7015 | 1122eb25 | Iustin Pop | assert self.instance.primary_node == o_node2, "Three-node instance?" |
7016 | a2d59d8b | Iustin Pop | p_minor = o_minor2 |
7017 | a2d59d8b | Iustin Pop | |
7018 | 4d4a651d | Michael Hanselmann | new_alone_id = (self.instance.primary_node, self.new_node, None, |
7019 | 4d4a651d | Michael Hanselmann | p_minor, new_minor, o_secret) |
7020 | 4d4a651d | Michael Hanselmann | new_net_id = (self.instance.primary_node, self.new_node, o_port, |
7021 | 4d4a651d | Michael Hanselmann | p_minor, new_minor, o_secret) |
7022 | a2d59d8b | Iustin Pop | |
7023 | a2d59d8b | Iustin Pop | iv_names[idx] = (dev, dev.children, new_net_id) |
7024 | a1578d63 | Iustin Pop | logging.debug("Allocated new_minor: %s, new_logical_id: %s", new_minor,
|
7025 | a2d59d8b | Iustin Pop | new_net_id) |
7026 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
7027 | a2d59d8b | Iustin Pop | logical_id=new_alone_id, |
7028 | 8a6c7011 | Iustin Pop | children=dev.children, |
7029 | 8a6c7011 | Iustin Pop | size=dev.size) |
7030 | 796cab27 | Iustin Pop | try:
|
7031 | 2bb5c911 | Michael Hanselmann | _CreateSingleBlockDev(self.lu, self.new_node, self.instance, new_drbd, |
7032 | 2bb5c911 | Michael Hanselmann | _GetInstanceInfoText(self.instance), False) |
7033 | 82759cb1 | Iustin Pop | except errors.GenericError:
|
7034 | 2bb5c911 | Michael Hanselmann | self.cfg.ReleaseDRBDMinors(self.instance.name) |
7035 | 796cab27 | Iustin Pop | raise
|
7036 | a9e0c397 | Iustin Pop | |
7037 | 2bb5c911 | Michael Hanselmann | # We have new devices, shutdown the drbd on the old secondary
|
7038 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
7039 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Shutting down drbd for disk/%d on old node" % idx) |
7040 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, self.target_node) |
7041 | 2bb5c911 | Michael Hanselmann | msg = self.rpc.call_blockdev_shutdown(self.target_node, dev).fail_msg |
7042 | cacfd1fd | Iustin Pop | if msg:
|
7043 | 2bb5c911 | Michael Hanselmann | self.lu.LogWarning("Failed to shutdown drbd for disk/%d on old" |
7044 | 2bb5c911 | Michael Hanselmann | "node: %s" % (idx, msg),
|
7045 | 2bb5c911 | Michael Hanselmann | hint=("Please cleanup this device manually as"
|
7046 | 2bb5c911 | Michael Hanselmann | " soon as possible"))
|
7047 | a9e0c397 | Iustin Pop | |
7048 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Detaching primary drbds from the network (=> standalone)") |
7049 | 4d4a651d | Michael Hanselmann | result = self.rpc.call_drbd_disconnect_net([self.instance.primary_node], |
7050 | 4d4a651d | Michael Hanselmann | self.node_secondary_ip,
|
7051 | 4d4a651d | Michael Hanselmann | self.instance.disks)\
|
7052 | 4d4a651d | Michael Hanselmann | [self.instance.primary_node]
|
7053 | 642445d9 | Iustin Pop | |
7054 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
7055 | a2d59d8b | Iustin Pop | if msg:
|
7056 | a2d59d8b | Iustin Pop | # detaches didn't succeed (unlikely)
|
7057 | 2bb5c911 | Michael Hanselmann | self.cfg.ReleaseDRBDMinors(self.instance.name) |
7058 | a2d59d8b | Iustin Pop | raise errors.OpExecError("Can't detach the disks from the network on" |
7059 | a2d59d8b | Iustin Pop | " old node: %s" % (msg,))
|
7060 | 642445d9 | Iustin Pop | |
7061 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
7062 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
7063 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Updating instance configuration") |
7064 | 468b46f9 | Iustin Pop | for dev, _, new_logical_id in iv_names.itervalues(): |
7065 | 468b46f9 | Iustin Pop | dev.logical_id = new_logical_id |
7066 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, self.instance.primary_node) |
7067 | 2bb5c911 | Michael Hanselmann | |
7068 | a4eae71f | Michael Hanselmann | self.cfg.Update(self.instance, feedback_fn) |
7069 | a9e0c397 | Iustin Pop | |
7070 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
7071 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Attaching primary drbds to new secondary" |
7072 | 2bb5c911 | Michael Hanselmann | " (standalone => connected)")
|
7073 | 4d4a651d | Michael Hanselmann | result = self.rpc.call_drbd_attach_net([self.instance.primary_node, |
7074 | 4d4a651d | Michael Hanselmann | self.new_node],
|
7075 | 4d4a651d | Michael Hanselmann | self.node_secondary_ip,
|
7076 | 4d4a651d | Michael Hanselmann | self.instance.disks,
|
7077 | 4d4a651d | Michael Hanselmann | self.instance.name,
|
7078 | a2d59d8b | Iustin Pop | False)
|
7079 | a2d59d8b | Iustin Pop | for to_node, to_result in result.items(): |
7080 | 4c4e4e1e | Iustin Pop | msg = to_result.fail_msg |
7081 | a2d59d8b | Iustin Pop | if msg:
|
7082 | 4d4a651d | Michael Hanselmann | self.lu.LogWarning("Can't attach drbd disks on node %s: %s", |
7083 | 4d4a651d | Michael Hanselmann | to_node, msg, |
7084 | 2bb5c911 | Michael Hanselmann | hint=("please do a gnt-instance info to see the"
|
7085 | 2bb5c911 | Michael Hanselmann | " status of disks"))
|
7086 | a9e0c397 | Iustin Pop | |
7087 | 2bb5c911 | Michael Hanselmann | # Wait for sync
|
7088 | 2bb5c911 | Michael Hanselmann | # This can fail as the old devices are degraded and _WaitForSync
|
7089 | 2bb5c911 | Michael Hanselmann | # does a combined result over all disks, so we don't check its return value
|
7090 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(5, steps_total, "Sync devices") |
7091 | b6c07b79 | Michael Hanselmann | _WaitForSync(self.lu, self.instance) |
7092 | a9e0c397 | Iustin Pop | |
7093 | 2bb5c911 | Michael Hanselmann | # Check all devices manually
|
7094 | 2bb5c911 | Michael Hanselmann | self._CheckDevices(self.instance.primary_node, iv_names) |
7095 | 22985314 | Guido Trotter | |
7096 | 2bb5c911 | Michael Hanselmann | # Step: remove old storage
|
7097 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(6, steps_total, "Removing old storage") |
7098 | 2bb5c911 | Michael Hanselmann | self._RemoveOldStorage(self.target_node, iv_names) |
7099 | a9e0c397 | Iustin Pop | |
7100 | a8083063 | Iustin Pop | |
7101 | 76aef8fc | Michael Hanselmann | class LURepairNodeStorage(NoHooksLU): |
7102 | 76aef8fc | Michael Hanselmann | """Repairs the volume group on a node.
|
7103 | 76aef8fc | Michael Hanselmann |
|
7104 | 76aef8fc | Michael Hanselmann | """
|
7105 | 76aef8fc | Michael Hanselmann | _OP_REQP = ["node_name"]
|
7106 | 76aef8fc | Michael Hanselmann | REQ_BGL = False
|
7107 | 76aef8fc | Michael Hanselmann | |
7108 | 76aef8fc | Michael Hanselmann | def CheckArguments(self): |
7109 | 76aef8fc | Michael Hanselmann | node_name = self.cfg.ExpandNodeName(self.op.node_name) |
7110 | 76aef8fc | Michael Hanselmann | if node_name is None: |
7111 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name, |
7112 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
7113 | 76aef8fc | Michael Hanselmann | |
7114 | 76aef8fc | Michael Hanselmann | self.op.node_name = node_name
|
7115 | 76aef8fc | Michael Hanselmann | |
7116 | 76aef8fc | Michael Hanselmann | def ExpandNames(self): |
7117 | 76aef8fc | Michael Hanselmann | self.needed_locks = {
|
7118 | 76aef8fc | Michael Hanselmann | locking.LEVEL_NODE: [self.op.node_name],
|
7119 | 76aef8fc | Michael Hanselmann | } |
7120 | 76aef8fc | Michael Hanselmann | |
7121 | 76aef8fc | Michael Hanselmann | def _CheckFaultyDisks(self, instance, node_name): |
7122 | 7e9c6a78 | Iustin Pop | """Ensure faulty disks abort the opcode or at least warn."""
|
7123 | 7e9c6a78 | Iustin Pop | try:
|
7124 | 7e9c6a78 | Iustin Pop | if _FindFaultyInstanceDisks(self.cfg, self.rpc, instance, |
7125 | 7e9c6a78 | Iustin Pop | node_name, True):
|
7126 | 7e9c6a78 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has faulty disks on" |
7127 | 7e9c6a78 | Iustin Pop | " node '%s'" % (instance.name, node_name),
|
7128 | 7e9c6a78 | Iustin Pop | errors.ECODE_STATE) |
7129 | 7e9c6a78 | Iustin Pop | except errors.OpPrereqError, err:
|
7130 | 7e9c6a78 | Iustin Pop | if self.op.ignore_consistency: |
7131 | 7e9c6a78 | Iustin Pop | self.proc.LogWarning(str(err.args[0])) |
7132 | 7e9c6a78 | Iustin Pop | else:
|
7133 | 7e9c6a78 | Iustin Pop | raise
|
7134 | 76aef8fc | Michael Hanselmann | |
7135 | 76aef8fc | Michael Hanselmann | def CheckPrereq(self): |
7136 | 76aef8fc | Michael Hanselmann | """Check prerequisites.
|
7137 | 76aef8fc | Michael Hanselmann |
|
7138 | 76aef8fc | Michael Hanselmann | """
|
7139 | 76aef8fc | Michael Hanselmann | storage_type = self.op.storage_type
|
7140 | 76aef8fc | Michael Hanselmann | |
7141 | 76aef8fc | Michael Hanselmann | if (constants.SO_FIX_CONSISTENCY not in |
7142 | 76aef8fc | Michael Hanselmann | constants.VALID_STORAGE_OPERATIONS.get(storage_type, [])): |
7143 | 76aef8fc | Michael Hanselmann | raise errors.OpPrereqError("Storage units of type '%s' can not be" |
7144 | 5c983ee5 | Iustin Pop | " repaired" % storage_type,
|
7145 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7146 | 76aef8fc | Michael Hanselmann | |
7147 | 76aef8fc | Michael Hanselmann | # Check whether any instance on this node has faulty disks
|
7148 | 76aef8fc | Michael Hanselmann | for inst in _GetNodeInstances(self.cfg, self.op.node_name): |
7149 | 7e9c6a78 | Iustin Pop | if not inst.admin_up: |
7150 | 7e9c6a78 | Iustin Pop | continue
|
7151 | 76aef8fc | Michael Hanselmann | check_nodes = set(inst.all_nodes)
|
7152 | 76aef8fc | Michael Hanselmann | check_nodes.discard(self.op.node_name)
|
7153 | 76aef8fc | Michael Hanselmann | for inst_node_name in check_nodes: |
7154 | 76aef8fc | Michael Hanselmann | self._CheckFaultyDisks(inst, inst_node_name)
|
7155 | 76aef8fc | Michael Hanselmann | |
7156 | 76aef8fc | Michael Hanselmann | def Exec(self, feedback_fn): |
7157 | 76aef8fc | Michael Hanselmann | feedback_fn("Repairing storage unit '%s' on %s ..." %
|
7158 | 76aef8fc | Michael Hanselmann | (self.op.name, self.op.node_name)) |
7159 | 76aef8fc | Michael Hanselmann | |
7160 | 76aef8fc | Michael Hanselmann | st_args = _GetStorageTypeArgs(self.cfg, self.op.storage_type) |
7161 | 76aef8fc | Michael Hanselmann | result = self.rpc.call_storage_execute(self.op.node_name, |
7162 | 76aef8fc | Michael Hanselmann | self.op.storage_type, st_args,
|
7163 | 76aef8fc | Michael Hanselmann | self.op.name,
|
7164 | 76aef8fc | Michael Hanselmann | constants.SO_FIX_CONSISTENCY) |
7165 | 76aef8fc | Michael Hanselmann | result.Raise("Failed to repair storage unit '%s' on %s" %
|
7166 | 76aef8fc | Michael Hanselmann | (self.op.name, self.op.node_name)) |
7167 | 76aef8fc | Michael Hanselmann | |
7168 | 76aef8fc | Michael Hanselmann | |
7169 | 8729e0d7 | Iustin Pop | class LUGrowDisk(LogicalUnit): |
7170 | 8729e0d7 | Iustin Pop | """Grow a disk of an instance.
|
7171 | 8729e0d7 | Iustin Pop |
|
7172 | 8729e0d7 | Iustin Pop | """
|
7173 | 8729e0d7 | Iustin Pop | HPATH = "disk-grow"
|
7174 | 8729e0d7 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
7175 | 6605411d | Iustin Pop | _OP_REQP = ["instance_name", "disk", "amount", "wait_for_sync"] |
7176 | 31e63dbf | Guido Trotter | REQ_BGL = False
|
7177 | 31e63dbf | Guido Trotter | |
7178 | 31e63dbf | Guido Trotter | def ExpandNames(self): |
7179 | 31e63dbf | Guido Trotter | self._ExpandAndLockInstance()
|
7180 | 31e63dbf | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
7181 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
7182 | 31e63dbf | Guido Trotter | |
7183 | 31e63dbf | Guido Trotter | def DeclareLocks(self, level): |
7184 | 31e63dbf | Guido Trotter | if level == locking.LEVEL_NODE:
|
7185 | 31e63dbf | Guido Trotter | self._LockInstancesNodes()
|
7186 | 8729e0d7 | Iustin Pop | |
7187 | 8729e0d7 | Iustin Pop | def BuildHooksEnv(self): |
7188 | 8729e0d7 | Iustin Pop | """Build hooks env.
|
7189 | 8729e0d7 | Iustin Pop |
|
7190 | 8729e0d7 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
7191 | 8729e0d7 | Iustin Pop |
|
7192 | 8729e0d7 | Iustin Pop | """
|
7193 | 8729e0d7 | Iustin Pop | env = { |
7194 | 8729e0d7 | Iustin Pop | "DISK": self.op.disk, |
7195 | 8729e0d7 | Iustin Pop | "AMOUNT": self.op.amount, |
7196 | 8729e0d7 | Iustin Pop | } |
7197 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
7198 | 8729e0d7 | Iustin Pop | nl = [ |
7199 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
7200 | 8729e0d7 | Iustin Pop | self.instance.primary_node,
|
7201 | 8729e0d7 | Iustin Pop | ] |
7202 | 8729e0d7 | Iustin Pop | return env, nl, nl
|
7203 | 8729e0d7 | Iustin Pop | |
7204 | 8729e0d7 | Iustin Pop | def CheckPrereq(self): |
7205 | 8729e0d7 | Iustin Pop | """Check prerequisites.
|
7206 | 8729e0d7 | Iustin Pop |
|
7207 | 8729e0d7 | Iustin Pop | This checks that the instance is in the cluster.
|
7208 | 8729e0d7 | Iustin Pop |
|
7209 | 8729e0d7 | Iustin Pop | """
|
7210 | 31e63dbf | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
7211 | 31e63dbf | Guido Trotter | assert instance is not None, \ |
7212 | 31e63dbf | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
7213 | 6b12959c | Iustin Pop | nodenames = list(instance.all_nodes)
|
7214 | 6b12959c | Iustin Pop | for node in nodenames: |
7215 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, node)
|
7216 | 7527a8a4 | Iustin Pop | |
7217 | 31e63dbf | Guido Trotter | |
7218 | 8729e0d7 | Iustin Pop | self.instance = instance
|
7219 | 8729e0d7 | Iustin Pop | |
7220 | 8729e0d7 | Iustin Pop | if instance.disk_template not in (constants.DT_PLAIN, constants.DT_DRBD8): |
7221 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout does not support" |
7222 | 5c983ee5 | Iustin Pop | " growing.", errors.ECODE_INVAL)
|
7223 | 8729e0d7 | Iustin Pop | |
7224 | ad24e046 | Iustin Pop | self.disk = instance.FindDisk(self.op.disk) |
7225 | 8729e0d7 | Iustin Pop | |
7226 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
7227 | 72737a7f | Iustin Pop | instance.hypervisor) |
7228 | 8729e0d7 | Iustin Pop | for node in nodenames: |
7229 | 781de953 | Iustin Pop | info = nodeinfo[node] |
7230 | 4c4e4e1e | Iustin Pop | info.Raise("Cannot get current information from node %s" % node)
|
7231 | 070e998b | Iustin Pop | vg_free = info.payload.get('vg_free', None) |
7232 | 8729e0d7 | Iustin Pop | if not isinstance(vg_free, int): |
7233 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
7234 | 5c983ee5 | Iustin Pop | " node %s" % node, errors.ECODE_ENVIRON)
|
7235 | 781de953 | Iustin Pop | if self.op.amount > vg_free: |
7236 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s:" |
7237 | 8729e0d7 | Iustin Pop | " %d MiB available, %d MiB required" %
|
7238 | 5c983ee5 | Iustin Pop | (node, vg_free, self.op.amount),
|
7239 | 5c983ee5 | Iustin Pop | errors.ECODE_NORES) |
7240 | 8729e0d7 | Iustin Pop | |
7241 | 8729e0d7 | Iustin Pop | def Exec(self, feedback_fn): |
7242 | 8729e0d7 | Iustin Pop | """Execute disk grow.
|
7243 | 8729e0d7 | Iustin Pop |
|
7244 | 8729e0d7 | Iustin Pop | """
|
7245 | 8729e0d7 | Iustin Pop | instance = self.instance
|
7246 | ad24e046 | Iustin Pop | disk = self.disk
|
7247 | 6b12959c | Iustin Pop | for node in instance.all_nodes: |
7248 | 8729e0d7 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
7249 | 72737a7f | Iustin Pop | result = self.rpc.call_blockdev_grow(node, disk, self.op.amount) |
7250 | 4c4e4e1e | Iustin Pop | result.Raise("Grow request failed to node %s" % node)
|
7251 | 5bc556dd | Michael Hanselmann | |
7252 | 5bc556dd | Michael Hanselmann | # TODO: Rewrite code to work properly
|
7253 | 5bc556dd | Michael Hanselmann | # DRBD goes into sync mode for a short amount of time after executing the
|
7254 | 5bc556dd | Michael Hanselmann | # "resize" command. DRBD 8.x below version 8.0.13 contains a bug whereby
|
7255 | 5bc556dd | Michael Hanselmann | # calling "resize" in sync mode fails. Sleeping for a short amount of
|
7256 | 5bc556dd | Michael Hanselmann | # time is a work-around.
|
7257 | 5bc556dd | Michael Hanselmann | time.sleep(5)
|
7258 | 5bc556dd | Michael Hanselmann | |
7259 | 8729e0d7 | Iustin Pop | disk.RecordGrow(self.op.amount)
|
7260 | a4eae71f | Michael Hanselmann | self.cfg.Update(instance, feedback_fn)
|
7261 | 6605411d | Iustin Pop | if self.op.wait_for_sync: |
7262 | cd4d138f | Guido Trotter | disk_abort = not _WaitForSync(self, instance) |
7263 | 6605411d | Iustin Pop | if disk_abort:
|
7264 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Warning: disk sync-ing has not returned a good" |
7265 | 86d9d3bb | Iustin Pop | " status.\nPlease check the instance.")
|
7266 | 8729e0d7 | Iustin Pop | |
7267 | 8729e0d7 | Iustin Pop | |
7268 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
7269 | a8083063 | Iustin Pop | """Query runtime instance data.
|
7270 | a8083063 | Iustin Pop |
|
7271 | a8083063 | Iustin Pop | """
|
7272 | 57821cac | Iustin Pop | _OP_REQP = ["instances", "static"] |
7273 | a987fa48 | Guido Trotter | REQ_BGL = False
|
7274 | ae5849b5 | Michael Hanselmann | |
7275 | a987fa48 | Guido Trotter | def ExpandNames(self): |
7276 | a987fa48 | Guido Trotter | self.needed_locks = {}
|
7277 | c772d142 | Michael Hanselmann | self.share_locks = dict.fromkeys(locking.LEVELS, 1) |
7278 | a987fa48 | Guido Trotter | |
7279 | a987fa48 | Guido Trotter | if not isinstance(self.op.instances, list): |
7280 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'", |
7281 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7282 | a987fa48 | Guido Trotter | |
7283 | a987fa48 | Guido Trotter | if self.op.instances: |
7284 | a987fa48 | Guido Trotter | self.wanted_names = []
|
7285 | a987fa48 | Guido Trotter | for name in self.op.instances: |
7286 | a987fa48 | Guido Trotter | full_name = self.cfg.ExpandInstanceName(name)
|
7287 | a987fa48 | Guido Trotter | if full_name is None: |
7288 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % name, |
7289 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
7290 | a987fa48 | Guido Trotter | self.wanted_names.append(full_name)
|
7291 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted_names |
7292 | a987fa48 | Guido Trotter | else:
|
7293 | a987fa48 | Guido Trotter | self.wanted_names = None |
7294 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = locking.ALL_SET
|
7295 | a987fa48 | Guido Trotter | |
7296 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
7297 | a987fa48 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
7298 | a987fa48 | Guido Trotter | |
7299 | a987fa48 | Guido Trotter | def DeclareLocks(self, level): |
7300 | a987fa48 | Guido Trotter | if level == locking.LEVEL_NODE:
|
7301 | a987fa48 | Guido Trotter | self._LockInstancesNodes()
|
7302 | a8083063 | Iustin Pop | |
7303 | a8083063 | Iustin Pop | def CheckPrereq(self): |
7304 | a8083063 | Iustin Pop | """Check prerequisites.
|
7305 | a8083063 | Iustin Pop |
|
7306 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
7307 | a8083063 | Iustin Pop |
|
7308 | a8083063 | Iustin Pop | """
|
7309 | a987fa48 | Guido Trotter | if self.wanted_names is None: |
7310 | a987fa48 | Guido Trotter | self.wanted_names = self.acquired_locks[locking.LEVEL_INSTANCE] |
7311 | a8083063 | Iustin Pop | |
7312 | a987fa48 | Guido Trotter | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
7313 | a987fa48 | Guido Trotter | in self.wanted_names] |
7314 | a987fa48 | Guido Trotter | return
|
7315 | a8083063 | Iustin Pop | |
7316 | 98825740 | Michael Hanselmann | def _ComputeBlockdevStatus(self, node, instance_name, dev): |
7317 | 98825740 | Michael Hanselmann | """Returns the status of a block device
|
7318 | 98825740 | Michael Hanselmann |
|
7319 | 98825740 | Michael Hanselmann | """
|
7320 | 4dce1a83 | Michael Hanselmann | if self.op.static or not node: |
7321 | 98825740 | Michael Hanselmann | return None |
7322 | 98825740 | Michael Hanselmann | |
7323 | 98825740 | Michael Hanselmann | self.cfg.SetDiskID(dev, node)
|
7324 | 98825740 | Michael Hanselmann | |
7325 | 98825740 | Michael Hanselmann | result = self.rpc.call_blockdev_find(node, dev)
|
7326 | 98825740 | Michael Hanselmann | if result.offline:
|
7327 | 98825740 | Michael Hanselmann | return None |
7328 | 98825740 | Michael Hanselmann | |
7329 | 98825740 | Michael Hanselmann | result.Raise("Can't compute disk status for %s" % instance_name)
|
7330 | 98825740 | Michael Hanselmann | |
7331 | 98825740 | Michael Hanselmann | status = result.payload |
7332 | ddfe2228 | Michael Hanselmann | if status is None: |
7333 | ddfe2228 | Michael Hanselmann | return None |
7334 | 98825740 | Michael Hanselmann | |
7335 | 98825740 | Michael Hanselmann | return (status.dev_path, status.major, status.minor,
|
7336 | 98825740 | Michael Hanselmann | status.sync_percent, status.estimated_time, |
7337 | f208978a | Michael Hanselmann | status.is_degraded, status.ldisk_status) |
7338 | 98825740 | Michael Hanselmann | |
7339 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
7340 | a8083063 | Iustin Pop | """Compute block device status.
|
7341 | a8083063 | Iustin Pop |
|
7342 | a8083063 | Iustin Pop | """
|
7343 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
7344 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
7345 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
7346 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
7347 | a8083063 | Iustin Pop | else:
|
7348 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
7349 | a8083063 | Iustin Pop | |
7350 | 98825740 | Michael Hanselmann | dev_pstatus = self._ComputeBlockdevStatus(instance.primary_node,
|
7351 | 98825740 | Michael Hanselmann | instance.name, dev) |
7352 | 98825740 | Michael Hanselmann | dev_sstatus = self._ComputeBlockdevStatus(snode, instance.name, dev)
|
7353 | a8083063 | Iustin Pop | |
7354 | a8083063 | Iustin Pop | if dev.children:
|
7355 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
7356 | a8083063 | Iustin Pop | for child in dev.children] |
7357 | a8083063 | Iustin Pop | else:
|
7358 | a8083063 | Iustin Pop | dev_children = [] |
7359 | a8083063 | Iustin Pop | |
7360 | a8083063 | Iustin Pop | data = { |
7361 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
7362 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
7363 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
7364 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
7365 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
7366 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
7367 | a8083063 | Iustin Pop | "children": dev_children,
|
7368 | b6fdf8b8 | Iustin Pop | "mode": dev.mode,
|
7369 | c98162a7 | Iustin Pop | "size": dev.size,
|
7370 | a8083063 | Iustin Pop | } |
7371 | a8083063 | Iustin Pop | |
7372 | a8083063 | Iustin Pop | return data
|
7373 | a8083063 | Iustin Pop | |
7374 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
7375 | a8083063 | Iustin Pop | """Gather and return data"""
|
7376 | a8083063 | Iustin Pop | result = {} |
7377 | 338e51e8 | Iustin Pop | |
7378 | 338e51e8 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
7379 | 338e51e8 | Iustin Pop | |
7380 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
7381 | 57821cac | Iustin Pop | if not self.op.static: |
7382 | 57821cac | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
7383 | 57821cac | Iustin Pop | instance.name, |
7384 | 57821cac | Iustin Pop | instance.hypervisor) |
7385 | 4c4e4e1e | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node)
|
7386 | 7ad1af4a | Iustin Pop | remote_info = remote_info.payload |
7387 | 57821cac | Iustin Pop | if remote_info and "state" in remote_info: |
7388 | 57821cac | Iustin Pop | remote_state = "up"
|
7389 | 57821cac | Iustin Pop | else:
|
7390 | 57821cac | Iustin Pop | remote_state = "down"
|
7391 | a8083063 | Iustin Pop | else:
|
7392 | 57821cac | Iustin Pop | remote_state = None
|
7393 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
7394 | a8083063 | Iustin Pop | config_state = "up"
|
7395 | 0d68c45d | Iustin Pop | else:
|
7396 | 0d68c45d | Iustin Pop | config_state = "down"
|
7397 | a8083063 | Iustin Pop | |
7398 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
7399 | a8083063 | Iustin Pop | for device in instance.disks] |
7400 | a8083063 | Iustin Pop | |
7401 | a8083063 | Iustin Pop | idict = { |
7402 | a8083063 | Iustin Pop | "name": instance.name,
|
7403 | a8083063 | Iustin Pop | "config_state": config_state,
|
7404 | a8083063 | Iustin Pop | "run_state": remote_state,
|
7405 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
7406 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
7407 | a8083063 | Iustin Pop | "os": instance.os,
|
7408 | 0b13832c | Guido Trotter | # this happens to be the same format used for hooks
|
7409 | 0b13832c | Guido Trotter | "nics": _NICListToTuple(self, instance.nics), |
7410 | a8083063 | Iustin Pop | "disks": disks,
|
7411 | e69d05fd | Iustin Pop | "hypervisor": instance.hypervisor,
|
7412 | 24838135 | Iustin Pop | "network_port": instance.network_port,
|
7413 | 24838135 | Iustin Pop | "hv_instance": instance.hvparams,
|
7414 | 7736a5f2 | Iustin Pop | "hv_actual": cluster.FillHV(instance, skip_globals=True), |
7415 | 338e51e8 | Iustin Pop | "be_instance": instance.beparams,
|
7416 | 338e51e8 | Iustin Pop | "be_actual": cluster.FillBE(instance),
|
7417 | 90f72445 | Iustin Pop | "serial_no": instance.serial_no,
|
7418 | 90f72445 | Iustin Pop | "mtime": instance.mtime,
|
7419 | 90f72445 | Iustin Pop | "ctime": instance.ctime,
|
7420 | 033d58b0 | Iustin Pop | "uuid": instance.uuid,
|
7421 | a8083063 | Iustin Pop | } |
7422 | a8083063 | Iustin Pop | |
7423 | a8083063 | Iustin Pop | result[instance.name] = idict |
7424 | a8083063 | Iustin Pop | |
7425 | a8083063 | Iustin Pop | return result
|
7426 | a8083063 | Iustin Pop | |
7427 | a8083063 | Iustin Pop | |
7428 | 7767bbf5 | Manuel Franceschini | class LUSetInstanceParams(LogicalUnit): |
7429 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
7430 | a8083063 | Iustin Pop |
|
7431 | a8083063 | Iustin Pop | """
|
7432 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
7433 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
7434 | 24991749 | Iustin Pop | _OP_REQP = ["instance_name"]
|
7435 | 1a5c7281 | Guido Trotter | REQ_BGL = False
|
7436 | 1a5c7281 | Guido Trotter | |
7437 | 24991749 | Iustin Pop | def CheckArguments(self): |
7438 | 24991749 | Iustin Pop | if not hasattr(self.op, 'nics'): |
7439 | 24991749 | Iustin Pop | self.op.nics = []
|
7440 | 24991749 | Iustin Pop | if not hasattr(self.op, 'disks'): |
7441 | 24991749 | Iustin Pop | self.op.disks = []
|
7442 | 24991749 | Iustin Pop | if not hasattr(self.op, 'beparams'): |
7443 | 24991749 | Iustin Pop | self.op.beparams = {}
|
7444 | 24991749 | Iustin Pop | if not hasattr(self.op, 'hvparams'): |
7445 | 24991749 | Iustin Pop | self.op.hvparams = {}
|
7446 | 24991749 | Iustin Pop | self.op.force = getattr(self.op, "force", False) |
7447 | 24991749 | Iustin Pop | if not (self.op.nics or self.op.disks or |
7448 | 24991749 | Iustin Pop | self.op.hvparams or self.op.beparams): |
7449 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("No changes submitted", errors.ECODE_INVAL) |
7450 | 24991749 | Iustin Pop | |
7451 | 7736a5f2 | Iustin Pop | if self.op.hvparams: |
7452 | 7736a5f2 | Iustin Pop | _CheckGlobalHvParams(self.op.hvparams)
|
7453 | 7736a5f2 | Iustin Pop | |
7454 | 24991749 | Iustin Pop | # Disk validation
|
7455 | 24991749 | Iustin Pop | disk_addremove = 0
|
7456 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
7457 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
7458 | 24991749 | Iustin Pop | disk_addremove += 1
|
7459 | 24991749 | Iustin Pop | continue
|
7460 | 24991749 | Iustin Pop | elif disk_op == constants.DDM_ADD:
|
7461 | 24991749 | Iustin Pop | disk_addremove += 1
|
7462 | 24991749 | Iustin Pop | else:
|
7463 | 24991749 | Iustin Pop | if not isinstance(disk_op, int): |
7464 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index", errors.ECODE_INVAL) |
7465 | 8b46606c | Guido Trotter | if not isinstance(disk_dict, dict): |
7466 | 8b46606c | Guido Trotter | msg = "Invalid disk value: expected dict, got '%s'" % disk_dict
|
7467 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
|
7468 | 8b46606c | Guido Trotter | |
7469 | 24991749 | Iustin Pop | if disk_op == constants.DDM_ADD:
|
7470 | 24991749 | Iustin Pop | mode = disk_dict.setdefault('mode', constants.DISK_RDWR)
|
7471 | 6ec66eae | Iustin Pop | if mode not in constants.DISK_ACCESS_SET: |
7472 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid disk access mode '%s'" % mode, |
7473 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7474 | 24991749 | Iustin Pop | size = disk_dict.get('size', None) |
7475 | 24991749 | Iustin Pop | if size is None: |
7476 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Required disk parameter size missing", |
7477 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7478 | 24991749 | Iustin Pop | try:
|
7479 | 24991749 | Iustin Pop | size = int(size)
|
7480 | 24991749 | Iustin Pop | except ValueError, err: |
7481 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk size parameter: %s" % |
7482 | 5c983ee5 | Iustin Pop | str(err), errors.ECODE_INVAL)
|
7483 | 24991749 | Iustin Pop | disk_dict['size'] = size
|
7484 | 24991749 | Iustin Pop | else:
|
7485 | 24991749 | Iustin Pop | # modification of disk
|
7486 | 24991749 | Iustin Pop | if 'size' in disk_dict: |
7487 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Disk size change not possible, use" |
7488 | 5c983ee5 | Iustin Pop | " grow-disk", errors.ECODE_INVAL)
|
7489 | 24991749 | Iustin Pop | |
7490 | 24991749 | Iustin Pop | if disk_addremove > 1: |
7491 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Only one disk add or remove operation" |
7492 | 5c983ee5 | Iustin Pop | " supported at a time", errors.ECODE_INVAL)
|
7493 | 24991749 | Iustin Pop | |
7494 | 24991749 | Iustin Pop | # NIC validation
|
7495 | 24991749 | Iustin Pop | nic_addremove = 0
|
7496 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
7497 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
7498 | 24991749 | Iustin Pop | nic_addremove += 1
|
7499 | 24991749 | Iustin Pop | continue
|
7500 | 24991749 | Iustin Pop | elif nic_op == constants.DDM_ADD:
|
7501 | 24991749 | Iustin Pop | nic_addremove += 1
|
7502 | 24991749 | Iustin Pop | else:
|
7503 | 24991749 | Iustin Pop | if not isinstance(nic_op, int): |
7504 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid nic index", errors.ECODE_INVAL) |
7505 | 8b46606c | Guido Trotter | if not isinstance(nic_dict, dict): |
7506 | 8b46606c | Guido Trotter | msg = "Invalid nic value: expected dict, got '%s'" % nic_dict
|
7507 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError(msg, errors.ECODE_INVAL)
|
7508 | 24991749 | Iustin Pop | |
7509 | 24991749 | Iustin Pop | # nic_dict should be a dict
|
7510 | 24991749 | Iustin Pop | nic_ip = nic_dict.get('ip', None) |
7511 | 24991749 | Iustin Pop | if nic_ip is not None: |
7512 | 5c44da6a | Guido Trotter | if nic_ip.lower() == constants.VALUE_NONE:
|
7513 | 24991749 | Iustin Pop | nic_dict['ip'] = None |
7514 | 24991749 | Iustin Pop | else:
|
7515 | 24991749 | Iustin Pop | if not utils.IsValidIP(nic_ip): |
7516 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'" % nic_ip, |
7517 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7518 | 5c44da6a | Guido Trotter | |
7519 | cd098c41 | Guido Trotter | nic_bridge = nic_dict.get('bridge', None) |
7520 | cd098c41 | Guido Trotter | nic_link = nic_dict.get('link', None) |
7521 | cd098c41 | Guido Trotter | if nic_bridge and nic_link: |
7522 | 29921401 | Iustin Pop | raise errors.OpPrereqError("Cannot pass 'bridge' and 'link'" |
7523 | 5c983ee5 | Iustin Pop | " at the same time", errors.ECODE_INVAL)
|
7524 | cd098c41 | Guido Trotter | elif nic_bridge and nic_bridge.lower() == constants.VALUE_NONE: |
7525 | cd098c41 | Guido Trotter | nic_dict['bridge'] = None |
7526 | cd098c41 | Guido Trotter | elif nic_link and nic_link.lower() == constants.VALUE_NONE: |
7527 | cd098c41 | Guido Trotter | nic_dict['link'] = None |
7528 | cd098c41 | Guido Trotter | |
7529 | 5c44da6a | Guido Trotter | if nic_op == constants.DDM_ADD:
|
7530 | 5c44da6a | Guido Trotter | nic_mac = nic_dict.get('mac', None) |
7531 | 5c44da6a | Guido Trotter | if nic_mac is None: |
7532 | 5c44da6a | Guido Trotter | nic_dict['mac'] = constants.VALUE_AUTO
|
7533 | 5c44da6a | Guido Trotter | |
7534 | 5c44da6a | Guido Trotter | if 'mac' in nic_dict: |
7535 | 5c44da6a | Guido Trotter | nic_mac = nic_dict['mac']
|
7536 | 24991749 | Iustin Pop | if nic_mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
7537 | 24991749 | Iustin Pop | if not utils.IsValidMac(nic_mac): |
7538 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid MAC address %s" % nic_mac, |
7539 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7540 | 5c44da6a | Guido Trotter | if nic_op != constants.DDM_ADD and nic_mac == constants.VALUE_AUTO: |
7541 | 5c44da6a | Guido Trotter | raise errors.OpPrereqError("'auto' is not a valid MAC address when" |
7542 | 5c983ee5 | Iustin Pop | " modifying an existing nic",
|
7543 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7544 | 5c44da6a | Guido Trotter | |
7545 | 24991749 | Iustin Pop | if nic_addremove > 1: |
7546 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Only one NIC add or remove operation" |
7547 | 5c983ee5 | Iustin Pop | " supported at a time", errors.ECODE_INVAL)
|
7548 | 24991749 | Iustin Pop | |
7549 | 1a5c7281 | Guido Trotter | def ExpandNames(self): |
7550 | 1a5c7281 | Guido Trotter | self._ExpandAndLockInstance()
|
7551 | 74409b12 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
7552 | 74409b12 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
7553 | 74409b12 | Iustin Pop | |
7554 | 74409b12 | Iustin Pop | def DeclareLocks(self, level): |
7555 | 74409b12 | Iustin Pop | if level == locking.LEVEL_NODE:
|
7556 | 74409b12 | Iustin Pop | self._LockInstancesNodes()
|
7557 | a8083063 | Iustin Pop | |
7558 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
7559 | a8083063 | Iustin Pop | """Build hooks env.
|
7560 | a8083063 | Iustin Pop |
|
7561 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
7562 | a8083063 | Iustin Pop |
|
7563 | a8083063 | Iustin Pop | """
|
7564 | 396e1b78 | Michael Hanselmann | args = dict()
|
7565 | 338e51e8 | Iustin Pop | if constants.BE_MEMORY in self.be_new: |
7566 | 338e51e8 | Iustin Pop | args['memory'] = self.be_new[constants.BE_MEMORY] |
7567 | 338e51e8 | Iustin Pop | if constants.BE_VCPUS in self.be_new: |
7568 | 61be6ba4 | Iustin Pop | args['vcpus'] = self.be_new[constants.BE_VCPUS] |
7569 | d8dcf3c9 | Guido Trotter | # TODO: export disk changes. Note: _BuildInstanceHookEnv* don't export disk
|
7570 | d8dcf3c9 | Guido Trotter | # information at all.
|
7571 | d8dcf3c9 | Guido Trotter | if self.op.nics: |
7572 | d8dcf3c9 | Guido Trotter | args['nics'] = []
|
7573 | d8dcf3c9 | Guido Trotter | nic_override = dict(self.op.nics) |
7574 | 62f0dd02 | Guido Trotter | c_nicparams = self.cluster.nicparams[constants.PP_DEFAULT]
|
7575 | d8dcf3c9 | Guido Trotter | for idx, nic in enumerate(self.instance.nics): |
7576 | d8dcf3c9 | Guido Trotter | if idx in nic_override: |
7577 | d8dcf3c9 | Guido Trotter | this_nic_override = nic_override[idx] |
7578 | d8dcf3c9 | Guido Trotter | else:
|
7579 | d8dcf3c9 | Guido Trotter | this_nic_override = {} |
7580 | d8dcf3c9 | Guido Trotter | if 'ip' in this_nic_override: |
7581 | d8dcf3c9 | Guido Trotter | ip = this_nic_override['ip']
|
7582 | d8dcf3c9 | Guido Trotter | else:
|
7583 | d8dcf3c9 | Guido Trotter | ip = nic.ip |
7584 | d8dcf3c9 | Guido Trotter | if 'mac' in this_nic_override: |
7585 | d8dcf3c9 | Guido Trotter | mac = this_nic_override['mac']
|
7586 | d8dcf3c9 | Guido Trotter | else:
|
7587 | d8dcf3c9 | Guido Trotter | mac = nic.mac |
7588 | 62f0dd02 | Guido Trotter | if idx in self.nic_pnew: |
7589 | 62f0dd02 | Guido Trotter | nicparams = self.nic_pnew[idx]
|
7590 | 62f0dd02 | Guido Trotter | else:
|
7591 | 62f0dd02 | Guido Trotter | nicparams = objects.FillDict(c_nicparams, nic.nicparams) |
7592 | 62f0dd02 | Guido Trotter | mode = nicparams[constants.NIC_MODE] |
7593 | 62f0dd02 | Guido Trotter | link = nicparams[constants.NIC_LINK] |
7594 | 62f0dd02 | Guido Trotter | args['nics'].append((ip, mac, mode, link))
|
7595 | d8dcf3c9 | Guido Trotter | if constants.DDM_ADD in nic_override: |
7596 | d8dcf3c9 | Guido Trotter | ip = nic_override[constants.DDM_ADD].get('ip', None) |
7597 | d8dcf3c9 | Guido Trotter | mac = nic_override[constants.DDM_ADD]['mac']
|
7598 | 62f0dd02 | Guido Trotter | nicparams = self.nic_pnew[constants.DDM_ADD]
|
7599 | 62f0dd02 | Guido Trotter | mode = nicparams[constants.NIC_MODE] |
7600 | 62f0dd02 | Guido Trotter | link = nicparams[constants.NIC_LINK] |
7601 | 62f0dd02 | Guido Trotter | args['nics'].append((ip, mac, mode, link))
|
7602 | d8dcf3c9 | Guido Trotter | elif constants.DDM_REMOVE in nic_override: |
7603 | d8dcf3c9 | Guido Trotter | del args['nics'][-1] |
7604 | d8dcf3c9 | Guido Trotter | |
7605 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance, override=args) |
7606 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
7607 | a8083063 | Iustin Pop | return env, nl, nl
|
7608 | a8083063 | Iustin Pop | |
7609 | 7e950d31 | Iustin Pop | @staticmethod
|
7610 | 7e950d31 | Iustin Pop | def _GetUpdatedParams(old_params, update_dict, |
7611 | 0329617a | Guido Trotter | default_values, parameter_types): |
7612 | 0329617a | Guido Trotter | """Return the new params dict for the given params.
|
7613 | 0329617a | Guido Trotter |
|
7614 | 0329617a | Guido Trotter | @type old_params: dict
|
7615 | f2fd87d7 | Iustin Pop | @param old_params: old parameters
|
7616 | 0329617a | Guido Trotter | @type update_dict: dict
|
7617 | f2fd87d7 | Iustin Pop | @param update_dict: dict containing new parameter values,
|
7618 | f2fd87d7 | Iustin Pop | or constants.VALUE_DEFAULT to reset the
|
7619 | f2fd87d7 | Iustin Pop | parameter to its default value
|
7620 | 0329617a | Guido Trotter | @type default_values: dict
|
7621 | 0329617a | Guido Trotter | @param default_values: default values for the filled parameters
|
7622 | 0329617a | Guido Trotter | @type parameter_types: dict
|
7623 | 0329617a | Guido Trotter | @param parameter_types: dict mapping target dict keys to types
|
7624 | 0329617a | Guido Trotter | in constants.ENFORCEABLE_TYPES
|
7625 | 0329617a | Guido Trotter | @rtype: (dict, dict)
|
7626 | 0329617a | Guido Trotter | @return: (new_parameters, filled_parameters)
|
7627 | 0329617a | Guido Trotter |
|
7628 | 0329617a | Guido Trotter | """
|
7629 | 0329617a | Guido Trotter | params_copy = copy.deepcopy(old_params) |
7630 | 0329617a | Guido Trotter | for key, val in update_dict.iteritems(): |
7631 | 0329617a | Guido Trotter | if val == constants.VALUE_DEFAULT:
|
7632 | 0329617a | Guido Trotter | try:
|
7633 | 0329617a | Guido Trotter | del params_copy[key]
|
7634 | 0329617a | Guido Trotter | except KeyError: |
7635 | 0329617a | Guido Trotter | pass
|
7636 | 0329617a | Guido Trotter | else:
|
7637 | 0329617a | Guido Trotter | params_copy[key] = val |
7638 | 0329617a | Guido Trotter | utils.ForceDictType(params_copy, parameter_types) |
7639 | 0329617a | Guido Trotter | params_filled = objects.FillDict(default_values, params_copy) |
7640 | 0329617a | Guido Trotter | return (params_copy, params_filled)
|
7641 | 0329617a | Guido Trotter | |
7642 | a8083063 | Iustin Pop | def CheckPrereq(self): |
7643 | a8083063 | Iustin Pop | """Check prerequisites.
|
7644 | a8083063 | Iustin Pop |
|
7645 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
7646 | a8083063 | Iustin Pop |
|
7647 | a8083063 | Iustin Pop | """
|
7648 | 7c4d6c7b | Michael Hanselmann | self.force = self.op.force |
7649 | a8083063 | Iustin Pop | |
7650 | 74409b12 | Iustin Pop | # checking the new params on the primary/secondary nodes
|
7651 | 31a853d2 | Iustin Pop | |
7652 | cfefe007 | Guido Trotter | instance = self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
7653 | 2ee88aeb | Guido Trotter | cluster = self.cluster = self.cfg.GetClusterInfo() |
7654 | 1a5c7281 | Guido Trotter | assert self.instance is not None, \ |
7655 | 1a5c7281 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
7656 | 6b12959c | Iustin Pop | pnode = instance.primary_node |
7657 | 6b12959c | Iustin Pop | nodelist = list(instance.all_nodes)
|
7658 | 74409b12 | Iustin Pop | |
7659 | 338e51e8 | Iustin Pop | # hvparams processing
|
7660 | 74409b12 | Iustin Pop | if self.op.hvparams: |
7661 | 0329617a | Guido Trotter | i_hvdict, hv_new = self._GetUpdatedParams(
|
7662 | 0329617a | Guido Trotter | instance.hvparams, self.op.hvparams,
|
7663 | 0329617a | Guido Trotter | cluster.hvparams[instance.hypervisor], |
7664 | 0329617a | Guido Trotter | constants.HVS_PARAMETER_TYPES) |
7665 | 74409b12 | Iustin Pop | # local check
|
7666 | 74409b12 | Iustin Pop | hypervisor.GetHypervisor( |
7667 | 74409b12 | Iustin Pop | instance.hypervisor).CheckParameterSyntax(hv_new) |
7668 | 74409b12 | Iustin Pop | _CheckHVParams(self, nodelist, instance.hypervisor, hv_new)
|
7669 | 338e51e8 | Iustin Pop | self.hv_new = hv_new # the new actual values |
7670 | 338e51e8 | Iustin Pop | self.hv_inst = i_hvdict # the new dict (without defaults) |
7671 | 338e51e8 | Iustin Pop | else:
|
7672 | 338e51e8 | Iustin Pop | self.hv_new = self.hv_inst = {} |
7673 | 338e51e8 | Iustin Pop | |
7674 | 338e51e8 | Iustin Pop | # beparams processing
|
7675 | 338e51e8 | Iustin Pop | if self.op.beparams: |
7676 | 0329617a | Guido Trotter | i_bedict, be_new = self._GetUpdatedParams(
|
7677 | 0329617a | Guido Trotter | instance.beparams, self.op.beparams,
|
7678 | 0329617a | Guido Trotter | cluster.beparams[constants.PP_DEFAULT], |
7679 | 0329617a | Guido Trotter | constants.BES_PARAMETER_TYPES) |
7680 | 338e51e8 | Iustin Pop | self.be_new = be_new # the new actual values |
7681 | 338e51e8 | Iustin Pop | self.be_inst = i_bedict # the new dict (without defaults) |
7682 | 338e51e8 | Iustin Pop | else:
|
7683 | b637ae4d | Iustin Pop | self.be_new = self.be_inst = {} |
7684 | 74409b12 | Iustin Pop | |
7685 | cfefe007 | Guido Trotter | self.warn = []
|
7686 | 647a5d80 | Iustin Pop | |
7687 | 338e51e8 | Iustin Pop | if constants.BE_MEMORY in self.op.beparams and not self.force: |
7688 | 647a5d80 | Iustin Pop | mem_check_list = [pnode] |
7689 | c0f2b229 | Iustin Pop | if be_new[constants.BE_AUTO_BALANCE]:
|
7690 | c0f2b229 | Iustin Pop | # either we changed auto_balance to yes or it was from before
|
7691 | 647a5d80 | Iustin Pop | mem_check_list.extend(instance.secondary_nodes) |
7692 | 72737a7f | Iustin Pop | instance_info = self.rpc.call_instance_info(pnode, instance.name,
|
7693 | 72737a7f | Iustin Pop | instance.hypervisor) |
7694 | 647a5d80 | Iustin Pop | nodeinfo = self.rpc.call_node_info(mem_check_list, self.cfg.GetVGName(), |
7695 | 72737a7f | Iustin Pop | instance.hypervisor) |
7696 | 070e998b | Iustin Pop | pninfo = nodeinfo[pnode] |
7697 | 4c4e4e1e | Iustin Pop | msg = pninfo.fail_msg |
7698 | 070e998b | Iustin Pop | if msg:
|
7699 | cfefe007 | Guido Trotter | # Assume the primary node is unreachable and go ahead
|
7700 | 070e998b | Iustin Pop | self.warn.append("Can't get info from primary node %s: %s" % |
7701 | 070e998b | Iustin Pop | (pnode, msg)) |
7702 | 070e998b | Iustin Pop | elif not isinstance(pninfo.payload.get('memory_free', None), int): |
7703 | 070e998b | Iustin Pop | self.warn.append("Node data from primary node %s doesn't contain" |
7704 | 070e998b | Iustin Pop | " free memory information" % pnode)
|
7705 | 4c4e4e1e | Iustin Pop | elif instance_info.fail_msg:
|
7706 | 7ad1af4a | Iustin Pop | self.warn.append("Can't get instance runtime information: %s" % |
7707 | 4c4e4e1e | Iustin Pop | instance_info.fail_msg) |
7708 | cfefe007 | Guido Trotter | else:
|
7709 | 7ad1af4a | Iustin Pop | if instance_info.payload:
|
7710 | 7ad1af4a | Iustin Pop | current_mem = int(instance_info.payload['memory']) |
7711 | cfefe007 | Guido Trotter | else:
|
7712 | cfefe007 | Guido Trotter | # Assume instance not running
|
7713 | cfefe007 | Guido Trotter | # (there is a slight race condition here, but it's not very probable,
|
7714 | cfefe007 | Guido Trotter | # and we have no other way to check)
|
7715 | cfefe007 | Guido Trotter | current_mem = 0
|
7716 | 338e51e8 | Iustin Pop | miss_mem = (be_new[constants.BE_MEMORY] - current_mem - |
7717 | 070e998b | Iustin Pop | pninfo.payload['memory_free'])
|
7718 | cfefe007 | Guido Trotter | if miss_mem > 0: |
7719 | cfefe007 | Guido Trotter | raise errors.OpPrereqError("This change will prevent the instance" |
7720 | cfefe007 | Guido Trotter | " from starting, due to %d MB of memory"
|
7721 | 5c983ee5 | Iustin Pop | " missing on its primary node" % miss_mem,
|
7722 | 5c983ee5 | Iustin Pop | errors.ECODE_NORES) |
7723 | cfefe007 | Guido Trotter | |
7724 | c0f2b229 | Iustin Pop | if be_new[constants.BE_AUTO_BALANCE]:
|
7725 | 070e998b | Iustin Pop | for node, nres in nodeinfo.items(): |
7726 | ea33068f | Iustin Pop | if node not in instance.secondary_nodes: |
7727 | ea33068f | Iustin Pop | continue
|
7728 | 4c4e4e1e | Iustin Pop | msg = nres.fail_msg |
7729 | 070e998b | Iustin Pop | if msg:
|
7730 | 070e998b | Iustin Pop | self.warn.append("Can't get info from secondary node %s: %s" % |
7731 | 070e998b | Iustin Pop | (node, msg)) |
7732 | 070e998b | Iustin Pop | elif not isinstance(nres.payload.get('memory_free', None), int): |
7733 | 070e998b | Iustin Pop | self.warn.append("Secondary node %s didn't return free" |
7734 | 070e998b | Iustin Pop | " memory information" % node)
|
7735 | 070e998b | Iustin Pop | elif be_new[constants.BE_MEMORY] > nres.payload['memory_free']: |
7736 | 647a5d80 | Iustin Pop | self.warn.append("Not enough memory to failover instance to" |
7737 | 647a5d80 | Iustin Pop | " secondary node %s" % node)
|
7738 | 5bc84f33 | Alexander Schreiber | |
7739 | 24991749 | Iustin Pop | # NIC processing
|
7740 | cd098c41 | Guido Trotter | self.nic_pnew = {}
|
7741 | cd098c41 | Guido Trotter | self.nic_pinst = {}
|
7742 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
7743 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
7744 | 24991749 | Iustin Pop | if not instance.nics: |
7745 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Instance has no NICs, cannot remove", |
7746 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7747 | 24991749 | Iustin Pop | continue
|
7748 | 24991749 | Iustin Pop | if nic_op != constants.DDM_ADD:
|
7749 | 24991749 | Iustin Pop | # an existing nic
|
7750 | 21bcb9aa | Michael Hanselmann | if not instance.nics: |
7751 | 21bcb9aa | Michael Hanselmann | raise errors.OpPrereqError("Invalid NIC index %s, instance has" |
7752 | 21bcb9aa | Michael Hanselmann | " no NICs" % nic_op,
|
7753 | 21bcb9aa | Michael Hanselmann | errors.ECODE_INVAL) |
7754 | 24991749 | Iustin Pop | if nic_op < 0 or nic_op >= len(instance.nics): |
7755 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid NIC index %s, valid values" |
7756 | 24991749 | Iustin Pop | " are 0 to %d" %
|
7757 | 21bcb9aa | Michael Hanselmann | (nic_op, len(instance.nics) - 1), |
7758 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7759 | cd098c41 | Guido Trotter | old_nic_params = instance.nics[nic_op].nicparams |
7760 | cd098c41 | Guido Trotter | old_nic_ip = instance.nics[nic_op].ip |
7761 | cd098c41 | Guido Trotter | else:
|
7762 | cd098c41 | Guido Trotter | old_nic_params = {} |
7763 | cd098c41 | Guido Trotter | old_nic_ip = None
|
7764 | cd098c41 | Guido Trotter | |
7765 | cd098c41 | Guido Trotter | update_params_dict = dict([(key, nic_dict[key])
|
7766 | cd098c41 | Guido Trotter | for key in constants.NICS_PARAMETERS |
7767 | cd098c41 | Guido Trotter | if key in nic_dict]) |
7768 | cd098c41 | Guido Trotter | |
7769 | 5c44da6a | Guido Trotter | if 'bridge' in nic_dict: |
7770 | cd098c41 | Guido Trotter | update_params_dict[constants.NIC_LINK] = nic_dict['bridge']
|
7771 | cd098c41 | Guido Trotter | |
7772 | cd098c41 | Guido Trotter | new_nic_params, new_filled_nic_params = \ |
7773 | cd098c41 | Guido Trotter | self._GetUpdatedParams(old_nic_params, update_params_dict,
|
7774 | cd098c41 | Guido Trotter | cluster.nicparams[constants.PP_DEFAULT], |
7775 | cd098c41 | Guido Trotter | constants.NICS_PARAMETER_TYPES) |
7776 | cd098c41 | Guido Trotter | objects.NIC.CheckParameterSyntax(new_filled_nic_params) |
7777 | cd098c41 | Guido Trotter | self.nic_pinst[nic_op] = new_nic_params
|
7778 | cd098c41 | Guido Trotter | self.nic_pnew[nic_op] = new_filled_nic_params
|
7779 | cd098c41 | Guido Trotter | new_nic_mode = new_filled_nic_params[constants.NIC_MODE] |
7780 | cd098c41 | Guido Trotter | |
7781 | cd098c41 | Guido Trotter | if new_nic_mode == constants.NIC_MODE_BRIDGED:
|
7782 | cd098c41 | Guido Trotter | nic_bridge = new_filled_nic_params[constants.NIC_LINK] |
7783 | 4c4e4e1e | Iustin Pop | msg = self.rpc.call_bridges_exist(pnode, [nic_bridge]).fail_msg
|
7784 | 35c0c8da | Iustin Pop | if msg:
|
7785 | 35c0c8da | Iustin Pop | msg = "Error checking bridges on node %s: %s" % (pnode, msg)
|
7786 | 24991749 | Iustin Pop | if self.force: |
7787 | 24991749 | Iustin Pop | self.warn.append(msg)
|
7788 | 24991749 | Iustin Pop | else:
|
7789 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError(msg, errors.ECODE_ENVIRON)
|
7790 | cd098c41 | Guido Trotter | if new_nic_mode == constants.NIC_MODE_ROUTED:
|
7791 | cd098c41 | Guido Trotter | if 'ip' in nic_dict: |
7792 | cd098c41 | Guido Trotter | nic_ip = nic_dict['ip']
|
7793 | cd098c41 | Guido Trotter | else:
|
7794 | cd098c41 | Guido Trotter | nic_ip = old_nic_ip |
7795 | cd098c41 | Guido Trotter | if nic_ip is None: |
7796 | cd098c41 | Guido Trotter | raise errors.OpPrereqError('Cannot set the nic ip to None' |
7797 | 5c983ee5 | Iustin Pop | ' on a routed nic', errors.ECODE_INVAL)
|
7798 | 5c44da6a | Guido Trotter | if 'mac' in nic_dict: |
7799 | 5c44da6a | Guido Trotter | nic_mac = nic_dict['mac']
|
7800 | 5c44da6a | Guido Trotter | if nic_mac is None: |
7801 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError('Cannot set the nic mac to None', |
7802 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7803 | 5c44da6a | Guido Trotter | elif nic_mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
7804 | 5c44da6a | Guido Trotter | # otherwise generate the mac
|
7805 | 36b66e6e | Guido Trotter | nic_dict['mac'] = self.cfg.GenerateMAC(self.proc.GetECId()) |
7806 | 5c44da6a | Guido Trotter | else:
|
7807 | 5c44da6a | Guido Trotter | # or validate/reserve the current one
|
7808 | 36b66e6e | Guido Trotter | try:
|
7809 | 36b66e6e | Guido Trotter | self.cfg.ReserveMAC(nic_mac, self.proc.GetECId()) |
7810 | 36b66e6e | Guido Trotter | except errors.ReservationError:
|
7811 | 5c44da6a | Guido Trotter | raise errors.OpPrereqError("MAC address %s already in use" |
7812 | 5c983ee5 | Iustin Pop | " in cluster" % nic_mac,
|
7813 | 5c983ee5 | Iustin Pop | errors.ECODE_NOTUNIQUE) |
7814 | 24991749 | Iustin Pop | |
7815 | 24991749 | Iustin Pop | # DISK processing
|
7816 | 24991749 | Iustin Pop | if self.op.disks and instance.disk_template == constants.DT_DISKLESS: |
7817 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Disk operations not supported for" |
7818 | 5c983ee5 | Iustin Pop | " diskless instances",
|
7819 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7820 | 1122eb25 | Iustin Pop | for disk_op, _ in self.op.disks: |
7821 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
7822 | 24991749 | Iustin Pop | if len(instance.disks) == 1: |
7823 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Cannot remove the last disk of" |
7824 | 5c983ee5 | Iustin Pop | " an instance",
|
7825 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7826 | 24991749 | Iustin Pop | ins_l = self.rpc.call_instance_list([pnode], [instance.hypervisor])
|
7827 | 24991749 | Iustin Pop | ins_l = ins_l[pnode] |
7828 | 4c4e4e1e | Iustin Pop | msg = ins_l.fail_msg |
7829 | aca13712 | Iustin Pop | if msg:
|
7830 | aca13712 | Iustin Pop | raise errors.OpPrereqError("Can't contact node %s: %s" % |
7831 | 5c983ee5 | Iustin Pop | (pnode, msg), errors.ECODE_ENVIRON) |
7832 | aca13712 | Iustin Pop | if instance.name in ins_l.payload: |
7833 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance is running, can't remove" |
7834 | 5c983ee5 | Iustin Pop | " disks.", errors.ECODE_STATE)
|
7835 | 24991749 | Iustin Pop | |
7836 | 24991749 | Iustin Pop | if (disk_op == constants.DDM_ADD and |
7837 | 24991749 | Iustin Pop | len(instance.nics) >= constants.MAX_DISKS):
|
7838 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance has too many disks (%d), cannot" |
7839 | 5c983ee5 | Iustin Pop | " add more" % constants.MAX_DISKS,
|
7840 | 5c983ee5 | Iustin Pop | errors.ECODE_STATE) |
7841 | 24991749 | Iustin Pop | if disk_op not in (constants.DDM_ADD, constants.DDM_REMOVE): |
7842 | 24991749 | Iustin Pop | # an existing disk
|
7843 | 24991749 | Iustin Pop | if disk_op < 0 or disk_op >= len(instance.disks): |
7844 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index %s, valid values" |
7845 | 24991749 | Iustin Pop | " are 0 to %d" %
|
7846 | 5c983ee5 | Iustin Pop | (disk_op, len(instance.disks)),
|
7847 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
7848 | 24991749 | Iustin Pop | |
7849 | a8083063 | Iustin Pop | return
|
7850 | a8083063 | Iustin Pop | |
7851 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
7852 | a8083063 | Iustin Pop | """Modifies an instance.
|
7853 | a8083063 | Iustin Pop |
|
7854 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
7855 | 24991749 | Iustin Pop |
|
7856 | a8083063 | Iustin Pop | """
|
7857 | cfefe007 | Guido Trotter | # Process here the warnings from CheckPrereq, as we don't have a
|
7858 | cfefe007 | Guido Trotter | # feedback_fn there.
|
7859 | cfefe007 | Guido Trotter | for warn in self.warn: |
7860 | cfefe007 | Guido Trotter | feedback_fn("WARNING: %s" % warn)
|
7861 | cfefe007 | Guido Trotter | |
7862 | a8083063 | Iustin Pop | result = [] |
7863 | a8083063 | Iustin Pop | instance = self.instance
|
7864 | 24991749 | Iustin Pop | # disk changes
|
7865 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
7866 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
7867 | 24991749 | Iustin Pop | # remove the last disk
|
7868 | 24991749 | Iustin Pop | device = instance.disks.pop() |
7869 | 24991749 | Iustin Pop | device_idx = len(instance.disks)
|
7870 | 24991749 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
7871 | 24991749 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
7872 | 4c4e4e1e | Iustin Pop | msg = self.rpc.call_blockdev_remove(node, disk).fail_msg
|
7873 | e1bc0878 | Iustin Pop | if msg:
|
7874 | e1bc0878 | Iustin Pop | self.LogWarning("Could not remove disk/%d on node %s: %s," |
7875 | e1bc0878 | Iustin Pop | " continuing anyway", device_idx, node, msg)
|
7876 | 24991749 | Iustin Pop | result.append(("disk/%d" % device_idx, "remove")) |
7877 | 24991749 | Iustin Pop | elif disk_op == constants.DDM_ADD:
|
7878 | 24991749 | Iustin Pop | # add a new disk
|
7879 | 24991749 | Iustin Pop | if instance.disk_template == constants.DT_FILE:
|
7880 | 24991749 | Iustin Pop | file_driver, file_path = instance.disks[0].logical_id
|
7881 | 24991749 | Iustin Pop | file_path = os.path.dirname(file_path) |
7882 | 24991749 | Iustin Pop | else:
|
7883 | 24991749 | Iustin Pop | file_driver = file_path = None
|
7884 | 24991749 | Iustin Pop | disk_idx_base = len(instance.disks)
|
7885 | 24991749 | Iustin Pop | new_disk = _GenerateDiskTemplate(self,
|
7886 | 24991749 | Iustin Pop | instance.disk_template, |
7887 | 32388e6d | Iustin Pop | instance.name, instance.primary_node, |
7888 | 24991749 | Iustin Pop | instance.secondary_nodes, |
7889 | 24991749 | Iustin Pop | [disk_dict], |
7890 | 24991749 | Iustin Pop | file_path, |
7891 | 24991749 | Iustin Pop | file_driver, |
7892 | 24991749 | Iustin Pop | disk_idx_base)[0]
|
7893 | 24991749 | Iustin Pop | instance.disks.append(new_disk) |
7894 | 24991749 | Iustin Pop | info = _GetInstanceInfoText(instance) |
7895 | 24991749 | Iustin Pop | |
7896 | 24991749 | Iustin Pop | logging.info("Creating volume %s for instance %s",
|
7897 | 24991749 | Iustin Pop | new_disk.iv_name, instance.name) |
7898 | 24991749 | Iustin Pop | # Note: this needs to be kept in sync with _CreateDisks
|
7899 | 24991749 | Iustin Pop | #HARDCODE
|
7900 | 428958aa | Iustin Pop | for node in instance.all_nodes: |
7901 | 428958aa | Iustin Pop | f_create = node == instance.primary_node |
7902 | 796cab27 | Iustin Pop | try:
|
7903 | 428958aa | Iustin Pop | _CreateBlockDev(self, node, instance, new_disk,
|
7904 | 428958aa | Iustin Pop | f_create, info, f_create) |
7905 | 1492cca7 | Iustin Pop | except errors.OpExecError, err:
|
7906 | 24991749 | Iustin Pop | self.LogWarning("Failed to create volume %s (%s) on" |
7907 | 428958aa | Iustin Pop | " node %s: %s",
|
7908 | 428958aa | Iustin Pop | new_disk.iv_name, new_disk, node, err) |
7909 | 24991749 | Iustin Pop | result.append(("disk/%d" % disk_idx_base, "add:size=%s,mode=%s" % |
7910 | 24991749 | Iustin Pop | (new_disk.size, new_disk.mode))) |
7911 | 24991749 | Iustin Pop | else:
|
7912 | 24991749 | Iustin Pop | # change a given disk
|
7913 | 24991749 | Iustin Pop | instance.disks[disk_op].mode = disk_dict['mode']
|
7914 | 24991749 | Iustin Pop | result.append(("disk.mode/%d" % disk_op, disk_dict['mode'])) |
7915 | 24991749 | Iustin Pop | # NIC changes
|
7916 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
7917 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
7918 | 24991749 | Iustin Pop | # remove the last nic
|
7919 | 24991749 | Iustin Pop | del instance.nics[-1] |
7920 | 24991749 | Iustin Pop | result.append(("nic.%d" % len(instance.nics), "remove")) |
7921 | 24991749 | Iustin Pop | elif nic_op == constants.DDM_ADD:
|
7922 | 5c44da6a | Guido Trotter | # mac and bridge should be set, by now
|
7923 | 5c44da6a | Guido Trotter | mac = nic_dict['mac']
|
7924 | cd098c41 | Guido Trotter | ip = nic_dict.get('ip', None) |
7925 | cd098c41 | Guido Trotter | nicparams = self.nic_pinst[constants.DDM_ADD]
|
7926 | cd098c41 | Guido Trotter | new_nic = objects.NIC(mac=mac, ip=ip, nicparams=nicparams) |
7927 | 24991749 | Iustin Pop | instance.nics.append(new_nic) |
7928 | 24991749 | Iustin Pop | result.append(("nic.%d" % (len(instance.nics) - 1), |
7929 | cd098c41 | Guido Trotter | "add:mac=%s,ip=%s,mode=%s,link=%s" %
|
7930 | cd098c41 | Guido Trotter | (new_nic.mac, new_nic.ip, |
7931 | cd098c41 | Guido Trotter | self.nic_pnew[constants.DDM_ADD][constants.NIC_MODE],
|
7932 | cd098c41 | Guido Trotter | self.nic_pnew[constants.DDM_ADD][constants.NIC_LINK]
|
7933 | cd098c41 | Guido Trotter | ))) |
7934 | 24991749 | Iustin Pop | else:
|
7935 | cd098c41 | Guido Trotter | for key in 'mac', 'ip': |
7936 | 24991749 | Iustin Pop | if key in nic_dict: |
7937 | 24991749 | Iustin Pop | setattr(instance.nics[nic_op], key, nic_dict[key])
|
7938 | beabf067 | Guido Trotter | if nic_op in self.nic_pinst: |
7939 | beabf067 | Guido Trotter | instance.nics[nic_op].nicparams = self.nic_pinst[nic_op]
|
7940 | cd098c41 | Guido Trotter | for key, val in nic_dict.iteritems(): |
7941 | cd098c41 | Guido Trotter | result.append(("nic.%s/%d" % (key, nic_op), val))
|
7942 | 24991749 | Iustin Pop | |
7943 | 24991749 | Iustin Pop | # hvparams changes
|
7944 | 74409b12 | Iustin Pop | if self.op.hvparams: |
7945 | 12649e35 | Guido Trotter | instance.hvparams = self.hv_inst
|
7946 | 74409b12 | Iustin Pop | for key, val in self.op.hvparams.iteritems(): |
7947 | 74409b12 | Iustin Pop | result.append(("hv/%s" % key, val))
|
7948 | 24991749 | Iustin Pop | |
7949 | 24991749 | Iustin Pop | # beparams changes
|
7950 | 338e51e8 | Iustin Pop | if self.op.beparams: |
7951 | 338e51e8 | Iustin Pop | instance.beparams = self.be_inst
|
7952 | 338e51e8 | Iustin Pop | for key, val in self.op.beparams.iteritems(): |
7953 | 338e51e8 | Iustin Pop | result.append(("be/%s" % key, val))
|
7954 | a8083063 | Iustin Pop | |
7955 | a4eae71f | Michael Hanselmann | self.cfg.Update(instance, feedback_fn)
|
7956 | a8083063 | Iustin Pop | |
7957 | a8083063 | Iustin Pop | return result
|
7958 | a8083063 | Iustin Pop | |
7959 | a8083063 | Iustin Pop | |
7960 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
7961 | a8083063 | Iustin Pop | """Query the exports list
|
7962 | a8083063 | Iustin Pop |
|
7963 | a8083063 | Iustin Pop | """
|
7964 | 895ecd9c | Guido Trotter | _OP_REQP = ['nodes']
|
7965 | 21a15682 | Guido Trotter | REQ_BGL = False
|
7966 | 21a15682 | Guido Trotter | |
7967 | 21a15682 | Guido Trotter | def ExpandNames(self): |
7968 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
7969 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
7970 | 21a15682 | Guido Trotter | if not self.op.nodes: |
7971 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
7972 | 21a15682 | Guido Trotter | else:
|
7973 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
7974 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
7975 | a8083063 | Iustin Pop | |
7976 | a8083063 | Iustin Pop | def CheckPrereq(self): |
7977 | 21a15682 | Guido Trotter | """Check prerequisites.
|
7978 | a8083063 | Iustin Pop |
|
7979 | a8083063 | Iustin Pop | """
|
7980 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
7981 | a8083063 | Iustin Pop | |
7982 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
7983 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
7984 | a8083063 | Iustin Pop |
|
7985 | e4376078 | Iustin Pop | @rtype: dict
|
7986 | e4376078 | Iustin Pop | @return: a dictionary with the structure node->(export-list)
|
7987 | e4376078 | Iustin Pop | where export-list is a list of the instances exported on
|
7988 | e4376078 | Iustin Pop | that node.
|
7989 | a8083063 | Iustin Pop |
|
7990 | a8083063 | Iustin Pop | """
|
7991 | b04285f2 | Guido Trotter | rpcresult = self.rpc.call_export_list(self.nodes) |
7992 | b04285f2 | Guido Trotter | result = {} |
7993 | b04285f2 | Guido Trotter | for node in rpcresult: |
7994 | 4c4e4e1e | Iustin Pop | if rpcresult[node].fail_msg:
|
7995 | b04285f2 | Guido Trotter | result[node] = False
|
7996 | b04285f2 | Guido Trotter | else:
|
7997 | 1b7bfbb7 | Iustin Pop | result[node] = rpcresult[node].payload |
7998 | b04285f2 | Guido Trotter | |
7999 | b04285f2 | Guido Trotter | return result
|
8000 | a8083063 | Iustin Pop | |
8001 | a8083063 | Iustin Pop | |
8002 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
8003 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
8004 | a8083063 | Iustin Pop |
|
8005 | a8083063 | Iustin Pop | """
|
8006 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
8007 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
8008 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
8009 | 6657590e | Guido Trotter | REQ_BGL = False
|
8010 | 6657590e | Guido Trotter | |
8011 | 17c3f802 | Guido Trotter | def CheckArguments(self): |
8012 | 17c3f802 | Guido Trotter | """Check the arguments.
|
8013 | 17c3f802 | Guido Trotter |
|
8014 | 17c3f802 | Guido Trotter | """
|
8015 | 17c3f802 | Guido Trotter | self.shutdown_timeout = getattr(self.op, "shutdown_timeout", |
8016 | 17c3f802 | Guido Trotter | constants.DEFAULT_SHUTDOWN_TIMEOUT) |
8017 | 17c3f802 | Guido Trotter | |
8018 | 6657590e | Guido Trotter | def ExpandNames(self): |
8019 | 6657590e | Guido Trotter | self._ExpandAndLockInstance()
|
8020 | 6657590e | Guido Trotter | # FIXME: lock only instance primary and destination node
|
8021 | 6657590e | Guido Trotter | #
|
8022 | 6657590e | Guido Trotter | # Sad but true, for now we have do lock all nodes, as we don't know where
|
8023 | 6657590e | Guido Trotter | # the previous export might be, and and in this LU we search for it and
|
8024 | 6657590e | Guido Trotter | # remove it from its current node. In the future we could fix this by:
|
8025 | 6657590e | Guido Trotter | # - making a tasklet to search (share-lock all), then create the new one,
|
8026 | 6657590e | Guido Trotter | # then one to remove, after
|
8027 | 5bbd3f7f | Michael Hanselmann | # - removing the removal operation altogether
|
8028 | 6657590e | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
8029 | 6657590e | Guido Trotter | |
8030 | 6657590e | Guido Trotter | def DeclareLocks(self, level): |
8031 | 6657590e | Guido Trotter | """Last minute lock declaration."""
|
8032 | 6657590e | Guido Trotter | # All nodes are locked anyway, so nothing to do here.
|
8033 | a8083063 | Iustin Pop | |
8034 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
8035 | a8083063 | Iustin Pop | """Build hooks env.
|
8036 | a8083063 | Iustin Pop |
|
8037 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
8038 | a8083063 | Iustin Pop |
|
8039 | a8083063 | Iustin Pop | """
|
8040 | a8083063 | Iustin Pop | env = { |
8041 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
8042 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
8043 | 17c3f802 | Guido Trotter | "SHUTDOWN_TIMEOUT": self.shutdown_timeout, |
8044 | a8083063 | Iustin Pop | } |
8045 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
8046 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode(), self.instance.primary_node, |
8047 | a8083063 | Iustin Pop | self.op.target_node]
|
8048 | a8083063 | Iustin Pop | return env, nl, nl
|
8049 | a8083063 | Iustin Pop | |
8050 | a8083063 | Iustin Pop | def CheckPrereq(self): |
8051 | a8083063 | Iustin Pop | """Check prerequisites.
|
8052 | a8083063 | Iustin Pop |
|
8053 | 9ac99fda | Guido Trotter | This checks that the instance and node names are valid.
|
8054 | a8083063 | Iustin Pop |
|
8055 | a8083063 | Iustin Pop | """
|
8056 | 6657590e | Guido Trotter | instance_name = self.op.instance_name
|
8057 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
8058 | 6657590e | Guido Trotter | assert self.instance is not None, \ |
8059 | 6657590e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
8060 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
8061 | a8083063 | Iustin Pop | |
8062 | 6657590e | Guido Trotter | self.dst_node = self.cfg.GetNodeInfo( |
8063 | 6657590e | Guido Trotter | self.cfg.ExpandNodeName(self.op.target_node)) |
8064 | a8083063 | Iustin Pop | |
8065 | 268b8e42 | Iustin Pop | if self.dst_node is None: |
8066 | 268b8e42 | Iustin Pop | # This is wrong node name, not a non-locked node
|
8067 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Wrong node name %s" % self.op.target_node, |
8068 | 5c983ee5 | Iustin Pop | errors.ECODE_NOENT) |
8069 | aeb83a2b | Iustin Pop | _CheckNodeOnline(self, self.dst_node.name) |
8070 | 733a2b6a | Iustin Pop | _CheckNodeNotDrained(self, self.dst_node.name) |
8071 | a8083063 | Iustin Pop | |
8072 | b6023d6c | Manuel Franceschini | # instance disk type verification
|
8073 | b6023d6c | Manuel Franceschini | for disk in self.instance.disks: |
8074 | b6023d6c | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
8075 | b6023d6c | Manuel Franceschini | raise errors.OpPrereqError("Export not supported for instances with" |
8076 | 5c983ee5 | Iustin Pop | " file-based disks", errors.ECODE_INVAL)
|
8077 | b6023d6c | Manuel Franceschini | |
8078 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
8079 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
8080 | a8083063 | Iustin Pop |
|
8081 | a8083063 | Iustin Pop | """
|
8082 | a8083063 | Iustin Pop | instance = self.instance
|
8083 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
8084 | a8083063 | Iustin Pop | src_node = instance.primary_node |
8085 | 37972df0 | Michael Hanselmann | |
8086 | a8083063 | Iustin Pop | if self.op.shutdown: |
8087 | fb300fb7 | Guido Trotter | # shutdown the instance, but not the disks
|
8088 | 37972df0 | Michael Hanselmann | feedback_fn("Shutting down instance %s" % instance.name)
|
8089 | 17c3f802 | Guido Trotter | result = self.rpc.call_instance_shutdown(src_node, instance,
|
8090 | 17c3f802 | Guido Trotter | self.shutdown_timeout)
|
8091 | 4c4e4e1e | Iustin Pop | result.Raise("Could not shutdown instance %s on"
|
8092 | 4c4e4e1e | Iustin Pop | " node %s" % (instance.name, src_node))
|
8093 | a8083063 | Iustin Pop | |
8094 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
8095 | a8083063 | Iustin Pop | |
8096 | a8083063 | Iustin Pop | snap_disks = [] |
8097 | a8083063 | Iustin Pop | |
8098 | 998c712c | Iustin Pop | # set the disks ID correctly since call_instance_start needs the
|
8099 | 998c712c | Iustin Pop | # correct drbd minor to create the symlinks
|
8100 | 998c712c | Iustin Pop | for disk in instance.disks: |
8101 | 998c712c | Iustin Pop | self.cfg.SetDiskID(disk, src_node)
|
8102 | 998c712c | Iustin Pop | |
8103 | 3e53a60b | Michael Hanselmann | activate_disks = (not instance.admin_up)
|
8104 | 3e53a60b | Michael Hanselmann | |
8105 | 3e53a60b | Michael Hanselmann | if activate_disks:
|
8106 | 3e53a60b | Michael Hanselmann | # Activate the instance disks if we'exporting a stopped instance
|
8107 | 3e53a60b | Michael Hanselmann | feedback_fn("Activating disks for %s" % instance.name)
|
8108 | 3e53a60b | Michael Hanselmann | _StartInstanceDisks(self, instance, None) |
8109 | 3e53a60b | Michael Hanselmann | |
8110 | a8083063 | Iustin Pop | try:
|
8111 | 3e53a60b | Michael Hanselmann | # per-disk results
|
8112 | 3e53a60b | Michael Hanselmann | dresults = [] |
8113 | 3e53a60b | Michael Hanselmann | try:
|
8114 | 3e53a60b | Michael Hanselmann | for idx, disk in enumerate(instance.disks): |
8115 | 3e53a60b | Michael Hanselmann | feedback_fn("Creating a snapshot of disk/%s on node %s" %
|
8116 | 3e53a60b | Michael Hanselmann | (idx, src_node)) |
8117 | 3e53a60b | Michael Hanselmann | |
8118 | 3e53a60b | Michael Hanselmann | # result.payload will be a snapshot of an lvm leaf of the one we
|
8119 | 3e53a60b | Michael Hanselmann | # passed
|
8120 | 3e53a60b | Michael Hanselmann | result = self.rpc.call_blockdev_snapshot(src_node, disk)
|
8121 | 3e53a60b | Michael Hanselmann | msg = result.fail_msg |
8122 | 3e53a60b | Michael Hanselmann | if msg:
|
8123 | 3e53a60b | Michael Hanselmann | self.LogWarning("Could not snapshot disk/%s on node %s: %s", |
8124 | 3e53a60b | Michael Hanselmann | idx, src_node, msg) |
8125 | 3e53a60b | Michael Hanselmann | snap_disks.append(False)
|
8126 | 3e53a60b | Michael Hanselmann | else:
|
8127 | 3e53a60b | Michael Hanselmann | disk_id = (vgname, result.payload) |
8128 | 3e53a60b | Michael Hanselmann | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
8129 | 3e53a60b | Michael Hanselmann | logical_id=disk_id, physical_id=disk_id, |
8130 | 3e53a60b | Michael Hanselmann | iv_name=disk.iv_name) |
8131 | 3e53a60b | Michael Hanselmann | snap_disks.append(new_dev) |
8132 | 37972df0 | Michael Hanselmann | |
8133 | 3e53a60b | Michael Hanselmann | finally:
|
8134 | 3e53a60b | Michael Hanselmann | if self.op.shutdown and instance.admin_up: |
8135 | 3e53a60b | Michael Hanselmann | feedback_fn("Starting instance %s" % instance.name)
|
8136 | 3e53a60b | Michael Hanselmann | result = self.rpc.call_instance_start(src_node, instance, None, None) |
8137 | 3e53a60b | Michael Hanselmann | msg = result.fail_msg |
8138 | 3e53a60b | Michael Hanselmann | if msg:
|
8139 | 3e53a60b | Michael Hanselmann | _ShutdownInstanceDisks(self, instance)
|
8140 | 3e53a60b | Michael Hanselmann | raise errors.OpExecError("Could not start instance: %s" % msg) |
8141 | 3e53a60b | Michael Hanselmann | |
8142 | 3e53a60b | Michael Hanselmann | # TODO: check for size
|
8143 | 3e53a60b | Michael Hanselmann | |
8144 | 3e53a60b | Michael Hanselmann | cluster_name = self.cfg.GetClusterName()
|
8145 | 3e53a60b | Michael Hanselmann | for idx, dev in enumerate(snap_disks): |
8146 | 3e53a60b | Michael Hanselmann | feedback_fn("Exporting snapshot %s from %s to %s" %
|
8147 | 3e53a60b | Michael Hanselmann | (idx, src_node, dst_node.name)) |
8148 | 3e53a60b | Michael Hanselmann | if dev:
|
8149 | 3e53a60b | Michael Hanselmann | result = self.rpc.call_snapshot_export(src_node, dev, dst_node.name,
|
8150 | 3e53a60b | Michael Hanselmann | instance, cluster_name, idx) |
8151 | 3e53a60b | Michael Hanselmann | msg = result.fail_msg |
8152 | 3e53a60b | Michael Hanselmann | if msg:
|
8153 | 3e53a60b | Michael Hanselmann | self.LogWarning("Could not export disk/%s from node %s to" |
8154 | 3e53a60b | Michael Hanselmann | " node %s: %s", idx, src_node, dst_node.name, msg)
|
8155 | 3e53a60b | Michael Hanselmann | dresults.append(False)
|
8156 | 3e53a60b | Michael Hanselmann | else:
|
8157 | 3e53a60b | Michael Hanselmann | dresults.append(True)
|
8158 | 3e53a60b | Michael Hanselmann | msg = self.rpc.call_blockdev_remove(src_node, dev).fail_msg
|
8159 | 3e53a60b | Michael Hanselmann | if msg:
|
8160 | 3e53a60b | Michael Hanselmann | self.LogWarning("Could not remove snapshot for disk/%d from node" |
8161 | 3e53a60b | Michael Hanselmann | " %s: %s", idx, src_node, msg)
|
8162 | 19d7f90a | Guido Trotter | else:
|
8163 | 084f05a5 | Iustin Pop | dresults.append(False)
|
8164 | a8083063 | Iustin Pop | |
8165 | 3e53a60b | Michael Hanselmann | feedback_fn("Finalizing export on %s" % dst_node.name)
|
8166 | 3e53a60b | Michael Hanselmann | result = self.rpc.call_finalize_export(dst_node.name, instance,
|
8167 | 3e53a60b | Michael Hanselmann | snap_disks) |
8168 | 3e53a60b | Michael Hanselmann | fin_resu = True
|
8169 | 3e53a60b | Michael Hanselmann | msg = result.fail_msg |
8170 | 3e53a60b | Michael Hanselmann | if msg:
|
8171 | 3e53a60b | Michael Hanselmann | self.LogWarning("Could not finalize export for instance %s" |
8172 | 3e53a60b | Michael Hanselmann | " on node %s: %s", instance.name, dst_node.name, msg)
|
8173 | 3e53a60b | Michael Hanselmann | fin_resu = False
|
8174 | 3e53a60b | Michael Hanselmann | |
8175 | 3e53a60b | Michael Hanselmann | finally:
|
8176 | 3e53a60b | Michael Hanselmann | if activate_disks:
|
8177 | 3e53a60b | Michael Hanselmann | feedback_fn("Deactivating disks for %s" % instance.name)
|
8178 | 3e53a60b | Michael Hanselmann | _ShutdownInstanceDisks(self, instance)
|
8179 | a8083063 | Iustin Pop | |
8180 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
8181 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
8182 | a8083063 | Iustin Pop | |
8183 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
8184 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
8185 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
8186 | 35fbcd11 | Iustin Pop | iname = instance.name |
8187 | a8083063 | Iustin Pop | if nodelist:
|
8188 | 37972df0 | Michael Hanselmann | feedback_fn("Removing old exports for instance %s" % iname)
|
8189 | 72737a7f | Iustin Pop | exportlist = self.rpc.call_export_list(nodelist)
|
8190 | a8083063 | Iustin Pop | for node in exportlist: |
8191 | 4c4e4e1e | Iustin Pop | if exportlist[node].fail_msg:
|
8192 | 781de953 | Iustin Pop | continue
|
8193 | 35fbcd11 | Iustin Pop | if iname in exportlist[node].payload: |
8194 | 4c4e4e1e | Iustin Pop | msg = self.rpc.call_export_remove(node, iname).fail_msg
|
8195 | 35fbcd11 | Iustin Pop | if msg:
|
8196 | 19d7f90a | Guido Trotter | self.LogWarning("Could not remove older export for instance %s" |
8197 | 35fbcd11 | Iustin Pop | " on node %s: %s", iname, node, msg)
|
8198 | 084f05a5 | Iustin Pop | return fin_resu, dresults
|
8199 | 5c947f38 | Iustin Pop | |
8200 | 5c947f38 | Iustin Pop | |
8201 | 9ac99fda | Guido Trotter | class LURemoveExport(NoHooksLU): |
8202 | 9ac99fda | Guido Trotter | """Remove exports related to the named instance.
|
8203 | 9ac99fda | Guido Trotter |
|
8204 | 9ac99fda | Guido Trotter | """
|
8205 | 9ac99fda | Guido Trotter | _OP_REQP = ["instance_name"]
|
8206 | 3656b3af | Guido Trotter | REQ_BGL = False
|
8207 | 3656b3af | Guido Trotter | |
8208 | 3656b3af | Guido Trotter | def ExpandNames(self): |
8209 | 3656b3af | Guido Trotter | self.needed_locks = {}
|
8210 | 3656b3af | Guido Trotter | # We need all nodes to be locked in order for RemoveExport to work, but we
|
8211 | 3656b3af | Guido Trotter | # don't need to lock the instance itself, as nothing will happen to it (and
|
8212 | 3656b3af | Guido Trotter | # we can remove exports also for a removed instance)
|
8213 | 3656b3af | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
8214 | 9ac99fda | Guido Trotter | |
8215 | 9ac99fda | Guido Trotter | def CheckPrereq(self): |
8216 | 9ac99fda | Guido Trotter | """Check prerequisites.
|
8217 | 9ac99fda | Guido Trotter | """
|
8218 | 9ac99fda | Guido Trotter | pass
|
8219 | 9ac99fda | Guido Trotter | |
8220 | 9ac99fda | Guido Trotter | def Exec(self, feedback_fn): |
8221 | 9ac99fda | Guido Trotter | """Remove any export.
|
8222 | 9ac99fda | Guido Trotter |
|
8223 | 9ac99fda | Guido Trotter | """
|
8224 | 9ac99fda | Guido Trotter | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
8225 | 9ac99fda | Guido Trotter | # If the instance was not found we'll try with the name that was passed in.
|
8226 | 9ac99fda | Guido Trotter | # This will only work if it was an FQDN, though.
|
8227 | 9ac99fda | Guido Trotter | fqdn_warn = False
|
8228 | 9ac99fda | Guido Trotter | if not instance_name: |
8229 | 9ac99fda | Guido Trotter | fqdn_warn = True
|
8230 | 9ac99fda | Guido Trotter | instance_name = self.op.instance_name
|
8231 | 9ac99fda | Guido Trotter | |
8232 | 1b7bfbb7 | Iustin Pop | locked_nodes = self.acquired_locks[locking.LEVEL_NODE]
|
8233 | 1b7bfbb7 | Iustin Pop | exportlist = self.rpc.call_export_list(locked_nodes)
|
8234 | 9ac99fda | Guido Trotter | found = False
|
8235 | 9ac99fda | Guido Trotter | for node in exportlist: |
8236 | 4c4e4e1e | Iustin Pop | msg = exportlist[node].fail_msg |
8237 | 1b7bfbb7 | Iustin Pop | if msg:
|
8238 | 1b7bfbb7 | Iustin Pop | self.LogWarning("Failed to query node %s (continuing): %s", node, msg) |
8239 | 781de953 | Iustin Pop | continue
|
8240 | 1b7bfbb7 | Iustin Pop | if instance_name in exportlist[node].payload: |
8241 | 9ac99fda | Guido Trotter | found = True
|
8242 | 781de953 | Iustin Pop | result = self.rpc.call_export_remove(node, instance_name)
|
8243 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
8244 | 35fbcd11 | Iustin Pop | if msg:
|
8245 | 9a4f63d1 | Iustin Pop | logging.error("Could not remove export for instance %s"
|
8246 | 35fbcd11 | Iustin Pop | " on node %s: %s", instance_name, node, msg)
|
8247 | 9ac99fda | Guido Trotter | |
8248 | 9ac99fda | Guido Trotter | if fqdn_warn and not found: |
8249 | 9ac99fda | Guido Trotter | feedback_fn("Export not found. If trying to remove an export belonging"
|
8250 | 9ac99fda | Guido Trotter | " to a deleted instance please use its Fully Qualified"
|
8251 | 9ac99fda | Guido Trotter | " Domain Name.")
|
8252 | 9ac99fda | Guido Trotter | |
8253 | 9ac99fda | Guido Trotter | |
8254 | fe267188 | Iustin Pop | class TagsLU(NoHooksLU): # pylint: disable-msg=W0223 |
8255 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
8256 | 5c947f38 | Iustin Pop |
|
8257 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
8258 | 5c947f38 | Iustin Pop |
|
8259 | 5c947f38 | Iustin Pop | """
|
8260 | 5c947f38 | Iustin Pop | |
8261 | 8646adce | Guido Trotter | def ExpandNames(self): |
8262 | 8646adce | Guido Trotter | self.needed_locks = {}
|
8263 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_NODE: |
8264 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
8265 | 5c947f38 | Iustin Pop | if name is None: |
8266 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
8267 | 5c983ee5 | Iustin Pop | (self.op.name,), errors.ECODE_NOENT)
|
8268 | 5c947f38 | Iustin Pop | self.op.name = name
|
8269 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = name
|
8270 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
8271 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
8272 | 5c947f38 | Iustin Pop | if name is None: |
8273 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
8274 | 5c983ee5 | Iustin Pop | (self.op.name,), errors.ECODE_NOENT)
|
8275 | 5c947f38 | Iustin Pop | self.op.name = name
|
8276 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = name
|
8277 | 8646adce | Guido Trotter | |
8278 | 8646adce | Guido Trotter | def CheckPrereq(self): |
8279 | 8646adce | Guido Trotter | """Check prerequisites.
|
8280 | 8646adce | Guido Trotter |
|
8281 | 8646adce | Guido Trotter | """
|
8282 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_CLUSTER: |
8283 | 8646adce | Guido Trotter | self.target = self.cfg.GetClusterInfo() |
8284 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_NODE: |
8285 | 8646adce | Guido Trotter | self.target = self.cfg.GetNodeInfo(self.op.name) |
8286 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_INSTANCE: |
8287 | 8646adce | Guido Trotter | self.target = self.cfg.GetInstanceInfo(self.op.name) |
8288 | 5c947f38 | Iustin Pop | else:
|
8289 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
8290 | 5c983ee5 | Iustin Pop | str(self.op.kind), errors.ECODE_INVAL) |
8291 | 5c947f38 | Iustin Pop | |
8292 | 5c947f38 | Iustin Pop | |
8293 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
8294 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
8295 | 5c947f38 | Iustin Pop |
|
8296 | 5c947f38 | Iustin Pop | """
|
8297 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
8298 | 8646adce | Guido Trotter | REQ_BGL = False
|
8299 | 5c947f38 | Iustin Pop | |
8300 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
8301 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
8302 | 5c947f38 | Iustin Pop |
|
8303 | 5c947f38 | Iustin Pop | """
|
8304 | 5d414478 | Oleksiy Mishchenko | return list(self.target.GetTags()) |
8305 | 5c947f38 | Iustin Pop | |
8306 | 5c947f38 | Iustin Pop | |
8307 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
8308 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
8309 | 73415719 | Iustin Pop |
|
8310 | 73415719 | Iustin Pop | """
|
8311 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
8312 | 8646adce | Guido Trotter | REQ_BGL = False
|
8313 | 8646adce | Guido Trotter | |
8314 | 8646adce | Guido Trotter | def ExpandNames(self): |
8315 | 8646adce | Guido Trotter | self.needed_locks = {}
|
8316 | 73415719 | Iustin Pop | |
8317 | 73415719 | Iustin Pop | def CheckPrereq(self): |
8318 | 73415719 | Iustin Pop | """Check prerequisites.
|
8319 | 73415719 | Iustin Pop |
|
8320 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
8321 | 73415719 | Iustin Pop |
|
8322 | 73415719 | Iustin Pop | """
|
8323 | 73415719 | Iustin Pop | try:
|
8324 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
8325 | 73415719 | Iustin Pop | except re.error, err:
|
8326 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
8327 | 5c983ee5 | Iustin Pop | (self.op.pattern, err), errors.ECODE_INVAL)
|
8328 | 73415719 | Iustin Pop | |
8329 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
8330 | 73415719 | Iustin Pop | """Returns the tag list.
|
8331 | 73415719 | Iustin Pop |
|
8332 | 73415719 | Iustin Pop | """
|
8333 | 73415719 | Iustin Pop | cfg = self.cfg
|
8334 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
8335 | 8646adce | Guido Trotter | ilist = cfg.GetAllInstancesInfo().values() |
8336 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
8337 | 8646adce | Guido Trotter | nlist = cfg.GetAllNodesInfo().values() |
8338 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
8339 | 73415719 | Iustin Pop | results = [] |
8340 | 73415719 | Iustin Pop | for path, target in tgts: |
8341 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
8342 | 73415719 | Iustin Pop | if self.re.search(tag): |
8343 | 73415719 | Iustin Pop | results.append((path, tag)) |
8344 | 73415719 | Iustin Pop | return results
|
8345 | 73415719 | Iustin Pop | |
8346 | 73415719 | Iustin Pop | |
8347 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
8348 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
8349 | 5c947f38 | Iustin Pop |
|
8350 | 5c947f38 | Iustin Pop | """
|
8351 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
8352 | 8646adce | Guido Trotter | REQ_BGL = False
|
8353 | 5c947f38 | Iustin Pop | |
8354 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
8355 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
8356 | 5c947f38 | Iustin Pop |
|
8357 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
8358 | 5c947f38 | Iustin Pop |
|
8359 | 5c947f38 | Iustin Pop | """
|
8360 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
8361 | f27302fa | Iustin Pop | for tag in self.op.tags: |
8362 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
8363 | 5c947f38 | Iustin Pop | |
8364 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
8365 | 5c947f38 | Iustin Pop | """Sets the tag.
|
8366 | 5c947f38 | Iustin Pop |
|
8367 | 5c947f38 | Iustin Pop | """
|
8368 | 5c947f38 | Iustin Pop | try:
|
8369 | f27302fa | Iustin Pop | for tag in self.op.tags: |
8370 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
8371 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
8372 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
8373 | 159d4ec6 | Iustin Pop | self.cfg.Update(self.target, feedback_fn) |
8374 | 5c947f38 | Iustin Pop | |
8375 | 5c947f38 | Iustin Pop | |
8376 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
8377 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
8378 | 5c947f38 | Iustin Pop |
|
8379 | 5c947f38 | Iustin Pop | """
|
8380 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
8381 | 8646adce | Guido Trotter | REQ_BGL = False
|
8382 | 5c947f38 | Iustin Pop | |
8383 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
8384 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
8385 | 5c947f38 | Iustin Pop |
|
8386 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
8387 | 5c947f38 | Iustin Pop |
|
8388 | 5c947f38 | Iustin Pop | """
|
8389 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
8390 | f27302fa | Iustin Pop | for tag in self.op.tags: |
8391 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
8392 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
8393 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
8394 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
8395 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
8396 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
8397 | f27302fa | Iustin Pop | diff_names.sort() |
8398 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
8399 | 5c983ee5 | Iustin Pop | (",".join(diff_names)), errors.ECODE_NOENT)
|
8400 | 5c947f38 | Iustin Pop | |
8401 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
8402 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
8403 | 5c947f38 | Iustin Pop |
|
8404 | 5c947f38 | Iustin Pop | """
|
8405 | f27302fa | Iustin Pop | for tag in self.op.tags: |
8406 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
8407 | 159d4ec6 | Iustin Pop | self.cfg.Update(self.target, feedback_fn) |
8408 | 06009e27 | Iustin Pop | |
8409 | 0eed6e61 | Guido Trotter | |
8410 | 06009e27 | Iustin Pop | class LUTestDelay(NoHooksLU): |
8411 | 06009e27 | Iustin Pop | """Sleep for a specified amount of time.
|
8412 | 06009e27 | Iustin Pop |
|
8413 | 0b097284 | Guido Trotter | This LU sleeps on the master and/or nodes for a specified amount of
|
8414 | 06009e27 | Iustin Pop | time.
|
8415 | 06009e27 | Iustin Pop |
|
8416 | 06009e27 | Iustin Pop | """
|
8417 | 06009e27 | Iustin Pop | _OP_REQP = ["duration", "on_master", "on_nodes"] |
8418 | fbe9022f | Guido Trotter | REQ_BGL = False
|
8419 | 06009e27 | Iustin Pop | |
8420 | fbe9022f | Guido Trotter | def ExpandNames(self): |
8421 | fbe9022f | Guido Trotter | """Expand names and set required locks.
|
8422 | 06009e27 | Iustin Pop |
|
8423 | fbe9022f | Guido Trotter | This expands the node list, if any.
|
8424 | 06009e27 | Iustin Pop |
|
8425 | 06009e27 | Iustin Pop | """
|
8426 | fbe9022f | Guido Trotter | self.needed_locks = {}
|
8427 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
8428 | fbe9022f | Guido Trotter | # _GetWantedNodes can be used here, but is not always appropriate to use
|
8429 | fbe9022f | Guido Trotter | # this way in ExpandNames. Check LogicalUnit.ExpandNames docstring for
|
8430 | fbe9022f | Guido Trotter | # more information.
|
8431 | 06009e27 | Iustin Pop | self.op.on_nodes = _GetWantedNodes(self, self.op.on_nodes) |
8432 | fbe9022f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = self.op.on_nodes |
8433 | fbe9022f | Guido Trotter | |
8434 | fbe9022f | Guido Trotter | def CheckPrereq(self): |
8435 | fbe9022f | Guido Trotter | """Check prerequisites.
|
8436 | fbe9022f | Guido Trotter |
|
8437 | fbe9022f | Guido Trotter | """
|
8438 | 06009e27 | Iustin Pop | |
8439 | 06009e27 | Iustin Pop | def Exec(self, feedback_fn): |
8440 | 06009e27 | Iustin Pop | """Do the actual sleep.
|
8441 | 06009e27 | Iustin Pop |
|
8442 | 06009e27 | Iustin Pop | """
|
8443 | 06009e27 | Iustin Pop | if self.op.on_master: |
8444 | 06009e27 | Iustin Pop | if not utils.TestDelay(self.op.duration): |
8445 | 06009e27 | Iustin Pop | raise errors.OpExecError("Error during master delay test") |
8446 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
8447 | 72737a7f | Iustin Pop | result = self.rpc.call_test_delay(self.op.on_nodes, self.op.duration) |
8448 | 06009e27 | Iustin Pop | for node, node_result in result.items(): |
8449 | 4c4e4e1e | Iustin Pop | node_result.Raise("Failure during rpc call to node %s" % node)
|
8450 | d61df03e | Iustin Pop | |
8451 | d61df03e | Iustin Pop | |
8452 | d1c2dd75 | Iustin Pop | class IAllocator(object): |
8453 | d1c2dd75 | Iustin Pop | """IAllocator framework.
|
8454 | d61df03e | Iustin Pop |
|
8455 | d1c2dd75 | Iustin Pop | An IAllocator instance has three sets of attributes:
|
8456 | d6a02168 | Michael Hanselmann | - cfg that is needed to query the cluster
|
8457 | d1c2dd75 | Iustin Pop | - input data (all members of the _KEYS class attribute are required)
|
8458 | d1c2dd75 | Iustin Pop | - four buffer attributes (in|out_data|text), that represent the
|
8459 | d1c2dd75 | Iustin Pop | input (to the external script) in text and data structure format,
|
8460 | d1c2dd75 | Iustin Pop | and the output from it, again in two formats
|
8461 | d1c2dd75 | Iustin Pop | - the result variables from the script (success, info, nodes) for
|
8462 | d1c2dd75 | Iustin Pop | easy usage
|
8463 | d61df03e | Iustin Pop |
|
8464 | d61df03e | Iustin Pop | """
|
8465 | 7260cfbe | Iustin Pop | # pylint: disable-msg=R0902
|
8466 | 7260cfbe | Iustin Pop | # lots of instance attributes
|
8467 | 29859cb7 | Iustin Pop | _ALLO_KEYS = [ |
8468 | d1c2dd75 | Iustin Pop | "mem_size", "disks", "disk_template", |
8469 | 8cc7e742 | Guido Trotter | "os", "tags", "nics", "vcpus", "hypervisor", |
8470 | d1c2dd75 | Iustin Pop | ] |
8471 | 29859cb7 | Iustin Pop | _RELO_KEYS = [ |
8472 | 29859cb7 | Iustin Pop | "relocate_from",
|
8473 | 29859cb7 | Iustin Pop | ] |
8474 | d1c2dd75 | Iustin Pop | |
8475 | 923ddac0 | Michael Hanselmann | def __init__(self, cfg, rpc, mode, name, **kwargs): |
8476 | 923ddac0 | Michael Hanselmann | self.cfg = cfg
|
8477 | 923ddac0 | Michael Hanselmann | self.rpc = rpc
|
8478 | d1c2dd75 | Iustin Pop | # init buffer variables
|
8479 | d1c2dd75 | Iustin Pop | self.in_text = self.out_text = self.in_data = self.out_data = None |
8480 | d1c2dd75 | Iustin Pop | # init all input fields so that pylint is happy
|
8481 | 29859cb7 | Iustin Pop | self.mode = mode
|
8482 | 29859cb7 | Iustin Pop | self.name = name
|
8483 | d1c2dd75 | Iustin Pop | self.mem_size = self.disks = self.disk_template = None |
8484 | d1c2dd75 | Iustin Pop | self.os = self.tags = self.nics = self.vcpus = None |
8485 | a0add446 | Iustin Pop | self.hypervisor = None |
8486 | 29859cb7 | Iustin Pop | self.relocate_from = None |
8487 | 27579978 | Iustin Pop | # computed fields
|
8488 | 27579978 | Iustin Pop | self.required_nodes = None |
8489 | d1c2dd75 | Iustin Pop | # init result fields
|
8490 | d1c2dd75 | Iustin Pop | self.success = self.info = self.nodes = None |
8491 | 29859cb7 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
8492 | 29859cb7 | Iustin Pop | keyset = self._ALLO_KEYS
|
8493 | 29859cb7 | Iustin Pop | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
8494 | 29859cb7 | Iustin Pop | keyset = self._RELO_KEYS
|
8495 | 29859cb7 | Iustin Pop | else:
|
8496 | 29859cb7 | Iustin Pop | raise errors.ProgrammerError("Unknown mode '%s' passed to the" |
8497 | 29859cb7 | Iustin Pop | " IAllocator" % self.mode) |
8498 | d1c2dd75 | Iustin Pop | for key in kwargs: |
8499 | 29859cb7 | Iustin Pop | if key not in keyset: |
8500 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Invalid input parameter '%s' to" |
8501 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
8502 | d1c2dd75 | Iustin Pop | setattr(self, key, kwargs[key]) |
8503 | 29859cb7 | Iustin Pop | for key in keyset: |
8504 | d1c2dd75 | Iustin Pop | if key not in kwargs: |
8505 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Missing input parameter '%s' to" |
8506 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
8507 | d1c2dd75 | Iustin Pop | self._BuildInputData()
|
8508 | d1c2dd75 | Iustin Pop | |
8509 | d1c2dd75 | Iustin Pop | def _ComputeClusterData(self): |
8510 | d1c2dd75 | Iustin Pop | """Compute the generic allocator input data.
|
8511 | d1c2dd75 | Iustin Pop |
|
8512 | d1c2dd75 | Iustin Pop | This is the data that is independent of the actual operation.
|
8513 | d1c2dd75 | Iustin Pop |
|
8514 | d1c2dd75 | Iustin Pop | """
|
8515 | 923ddac0 | Michael Hanselmann | cfg = self.cfg
|
8516 | e69d05fd | Iustin Pop | cluster_info = cfg.GetClusterInfo() |
8517 | d1c2dd75 | Iustin Pop | # cluster data
|
8518 | d1c2dd75 | Iustin Pop | data = { |
8519 | 77031881 | Iustin Pop | "version": constants.IALLOCATOR_VERSION,
|
8520 | 72737a7f | Iustin Pop | "cluster_name": cfg.GetClusterName(),
|
8521 | e69d05fd | Iustin Pop | "cluster_tags": list(cluster_info.GetTags()), |
8522 | 1325da74 | Iustin Pop | "enabled_hypervisors": list(cluster_info.enabled_hypervisors), |
8523 | d1c2dd75 | Iustin Pop | # we don't have job IDs
|
8524 | d61df03e | Iustin Pop | } |
8525 | b57e9819 | Guido Trotter | iinfo = cfg.GetAllInstancesInfo().values() |
8526 | b57e9819 | Guido Trotter | i_list = [(inst, cluster_info.FillBE(inst)) for inst in iinfo] |
8527 | 6286519f | Iustin Pop | |
8528 | d1c2dd75 | Iustin Pop | # node data
|
8529 | d1c2dd75 | Iustin Pop | node_results = {} |
8530 | d1c2dd75 | Iustin Pop | node_list = cfg.GetNodeList() |
8531 | 8cc7e742 | Guido Trotter | |
8532 | 8cc7e742 | Guido Trotter | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
8533 | a0add446 | Iustin Pop | hypervisor_name = self.hypervisor
|
8534 | 8cc7e742 | Guido Trotter | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
8535 | a0add446 | Iustin Pop | hypervisor_name = cfg.GetInstanceInfo(self.name).hypervisor
|
8536 | 8cc7e742 | Guido Trotter | |
8537 | 923ddac0 | Michael Hanselmann | node_data = self.rpc.call_node_info(node_list, cfg.GetVGName(),
|
8538 | 923ddac0 | Michael Hanselmann | hypervisor_name) |
8539 | 923ddac0 | Michael Hanselmann | node_iinfo = \ |
8540 | 923ddac0 | Michael Hanselmann | self.rpc.call_all_instances_info(node_list,
|
8541 | 923ddac0 | Michael Hanselmann | cluster_info.enabled_hypervisors) |
8542 | 1325da74 | Iustin Pop | for nname, nresult in node_data.items(): |
8543 | 1325da74 | Iustin Pop | # first fill in static (config-based) values
|
8544 | d1c2dd75 | Iustin Pop | ninfo = cfg.GetNodeInfo(nname) |
8545 | d1c2dd75 | Iustin Pop | pnr = { |
8546 | d1c2dd75 | Iustin Pop | "tags": list(ninfo.GetTags()), |
8547 | d1c2dd75 | Iustin Pop | "primary_ip": ninfo.primary_ip,
|
8548 | d1c2dd75 | Iustin Pop | "secondary_ip": ninfo.secondary_ip,
|
8549 | fc0fe88c | Iustin Pop | "offline": ninfo.offline,
|
8550 | 0b2454b9 | Iustin Pop | "drained": ninfo.drained,
|
8551 | 1325da74 | Iustin Pop | "master_candidate": ninfo.master_candidate,
|
8552 | d1c2dd75 | Iustin Pop | } |
8553 | 1325da74 | Iustin Pop | |
8554 | 0d853843 | Iustin Pop | if not (ninfo.offline or ninfo.drained): |
8555 | 4c4e4e1e | Iustin Pop | nresult.Raise("Can't get data for node %s" % nname)
|
8556 | 4c4e4e1e | Iustin Pop | node_iinfo[nname].Raise("Can't get node instance info from node %s" %
|
8557 | 4c4e4e1e | Iustin Pop | nname) |
8558 | 070e998b | Iustin Pop | remote_info = nresult.payload |
8559 | b142ef15 | Iustin Pop | |
8560 | 1325da74 | Iustin Pop | for attr in ['memory_total', 'memory_free', 'memory_dom0', |
8561 | 1325da74 | Iustin Pop | 'vg_size', 'vg_free', 'cpu_total']: |
8562 | 1325da74 | Iustin Pop | if attr not in remote_info: |
8563 | 1325da74 | Iustin Pop | raise errors.OpExecError("Node '%s' didn't return attribute" |
8564 | 1325da74 | Iustin Pop | " '%s'" % (nname, attr))
|
8565 | 070e998b | Iustin Pop | if not isinstance(remote_info[attr], int): |
8566 | 1325da74 | Iustin Pop | raise errors.OpExecError("Node '%s' returned invalid value" |
8567 | 070e998b | Iustin Pop | " for '%s': %s" %
|
8568 | 070e998b | Iustin Pop | (nname, attr, remote_info[attr])) |
8569 | 1325da74 | Iustin Pop | # compute memory used by primary instances
|
8570 | 1325da74 | Iustin Pop | i_p_mem = i_p_up_mem = 0
|
8571 | 1325da74 | Iustin Pop | for iinfo, beinfo in i_list: |
8572 | 1325da74 | Iustin Pop | if iinfo.primary_node == nname:
|
8573 | 1325da74 | Iustin Pop | i_p_mem += beinfo[constants.BE_MEMORY] |
8574 | 2fa74ef4 | Iustin Pop | if iinfo.name not in node_iinfo[nname].payload: |
8575 | 1325da74 | Iustin Pop | i_used_mem = 0
|
8576 | 1325da74 | Iustin Pop | else:
|
8577 | 2fa74ef4 | Iustin Pop | i_used_mem = int(node_iinfo[nname].payload[iinfo.name]['memory']) |
8578 | 1325da74 | Iustin Pop | i_mem_diff = beinfo[constants.BE_MEMORY] - i_used_mem |
8579 | 1325da74 | Iustin Pop | remote_info['memory_free'] -= max(0, i_mem_diff) |
8580 | 1325da74 | Iustin Pop | |
8581 | 1325da74 | Iustin Pop | if iinfo.admin_up:
|
8582 | 1325da74 | Iustin Pop | i_p_up_mem += beinfo[constants.BE_MEMORY] |
8583 | 1325da74 | Iustin Pop | |
8584 | 1325da74 | Iustin Pop | # compute memory used by instances
|
8585 | 1325da74 | Iustin Pop | pnr_dyn = { |
8586 | 1325da74 | Iustin Pop | "total_memory": remote_info['memory_total'], |
8587 | 1325da74 | Iustin Pop | "reserved_memory": remote_info['memory_dom0'], |
8588 | 1325da74 | Iustin Pop | "free_memory": remote_info['memory_free'], |
8589 | 1325da74 | Iustin Pop | "total_disk": remote_info['vg_size'], |
8590 | 1325da74 | Iustin Pop | "free_disk": remote_info['vg_free'], |
8591 | 1325da74 | Iustin Pop | "total_cpus": remote_info['cpu_total'], |
8592 | 1325da74 | Iustin Pop | "i_pri_memory": i_p_mem,
|
8593 | 1325da74 | Iustin Pop | "i_pri_up_memory": i_p_up_mem,
|
8594 | 1325da74 | Iustin Pop | } |
8595 | 1325da74 | Iustin Pop | pnr.update(pnr_dyn) |
8596 | 1325da74 | Iustin Pop | |
8597 | d1c2dd75 | Iustin Pop | node_results[nname] = pnr |
8598 | d1c2dd75 | Iustin Pop | data["nodes"] = node_results
|
8599 | d1c2dd75 | Iustin Pop | |
8600 | d1c2dd75 | Iustin Pop | # instance data
|
8601 | d1c2dd75 | Iustin Pop | instance_data = {} |
8602 | 338e51e8 | Iustin Pop | for iinfo, beinfo in i_list: |
8603 | a9fe7e8f | Guido Trotter | nic_data = [] |
8604 | a9fe7e8f | Guido Trotter | for nic in iinfo.nics: |
8605 | a9fe7e8f | Guido Trotter | filled_params = objects.FillDict( |
8606 | a9fe7e8f | Guido Trotter | cluster_info.nicparams[constants.PP_DEFAULT], |
8607 | a9fe7e8f | Guido Trotter | nic.nicparams) |
8608 | a9fe7e8f | Guido Trotter | nic_dict = {"mac": nic.mac,
|
8609 | a9fe7e8f | Guido Trotter | "ip": nic.ip,
|
8610 | a9fe7e8f | Guido Trotter | "mode": filled_params[constants.NIC_MODE],
|
8611 | a9fe7e8f | Guido Trotter | "link": filled_params[constants.NIC_LINK],
|
8612 | a9fe7e8f | Guido Trotter | } |
8613 | a9fe7e8f | Guido Trotter | if filled_params[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
8614 | a9fe7e8f | Guido Trotter | nic_dict["bridge"] = filled_params[constants.NIC_LINK]
|
8615 | a9fe7e8f | Guido Trotter | nic_data.append(nic_dict) |
8616 | d1c2dd75 | Iustin Pop | pir = { |
8617 | d1c2dd75 | Iustin Pop | "tags": list(iinfo.GetTags()), |
8618 | 1325da74 | Iustin Pop | "admin_up": iinfo.admin_up,
|
8619 | 338e51e8 | Iustin Pop | "vcpus": beinfo[constants.BE_VCPUS],
|
8620 | 338e51e8 | Iustin Pop | "memory": beinfo[constants.BE_MEMORY],
|
8621 | d1c2dd75 | Iustin Pop | "os": iinfo.os,
|
8622 | 1325da74 | Iustin Pop | "nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes), |
8623 | d1c2dd75 | Iustin Pop | "nics": nic_data,
|
8624 | 1325da74 | Iustin Pop | "disks": [{"size": dsk.size, "mode": dsk.mode} for dsk in iinfo.disks], |
8625 | d1c2dd75 | Iustin Pop | "disk_template": iinfo.disk_template,
|
8626 | e69d05fd | Iustin Pop | "hypervisor": iinfo.hypervisor,
|
8627 | d1c2dd75 | Iustin Pop | } |
8628 | 88ae4f85 | Iustin Pop | pir["disk_space_total"] = _ComputeDiskSize(iinfo.disk_template,
|
8629 | 88ae4f85 | Iustin Pop | pir["disks"])
|
8630 | 768f0a80 | Iustin Pop | instance_data[iinfo.name] = pir |
8631 | d61df03e | Iustin Pop | |
8632 | d1c2dd75 | Iustin Pop | data["instances"] = instance_data
|
8633 | d61df03e | Iustin Pop | |
8634 | d1c2dd75 | Iustin Pop | self.in_data = data
|
8635 | d61df03e | Iustin Pop | |
8636 | d1c2dd75 | Iustin Pop | def _AddNewInstance(self): |
8637 | d1c2dd75 | Iustin Pop | """Add new instance data to allocator structure.
|
8638 | d61df03e | Iustin Pop |
|
8639 | d1c2dd75 | Iustin Pop | This in combination with _AllocatorGetClusterData will create the
|
8640 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
8641 | d61df03e | Iustin Pop |
|
8642 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
8643 | d1c2dd75 | Iustin Pop | done.
|
8644 | d61df03e | Iustin Pop |
|
8645 | d1c2dd75 | Iustin Pop | """
|
8646 | d1c2dd75 | Iustin Pop | data = self.in_data
|
8647 | d1c2dd75 | Iustin Pop | |
8648 | dafc7302 | Guido Trotter | disk_space = _ComputeDiskSize(self.disk_template, self.disks) |
8649 | d1c2dd75 | Iustin Pop | |
8650 | 27579978 | Iustin Pop | if self.disk_template in constants.DTS_NET_MIRROR: |
8651 | 27579978 | Iustin Pop | self.required_nodes = 2 |
8652 | 27579978 | Iustin Pop | else:
|
8653 | 27579978 | Iustin Pop | self.required_nodes = 1 |
8654 | d1c2dd75 | Iustin Pop | request = { |
8655 | d1c2dd75 | Iustin Pop | "type": "allocate", |
8656 | d1c2dd75 | Iustin Pop | "name": self.name, |
8657 | d1c2dd75 | Iustin Pop | "disk_template": self.disk_template, |
8658 | d1c2dd75 | Iustin Pop | "tags": self.tags, |
8659 | d1c2dd75 | Iustin Pop | "os": self.os, |
8660 | d1c2dd75 | Iustin Pop | "vcpus": self.vcpus, |
8661 | d1c2dd75 | Iustin Pop | "memory": self.mem_size, |
8662 | d1c2dd75 | Iustin Pop | "disks": self.disks, |
8663 | d1c2dd75 | Iustin Pop | "disk_space_total": disk_space,
|
8664 | d1c2dd75 | Iustin Pop | "nics": self.nics, |
8665 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
8666 | d1c2dd75 | Iustin Pop | } |
8667 | d1c2dd75 | Iustin Pop | data["request"] = request
|
8668 | 298fe380 | Iustin Pop | |
8669 | d1c2dd75 | Iustin Pop | def _AddRelocateInstance(self): |
8670 | d1c2dd75 | Iustin Pop | """Add relocate instance data to allocator structure.
|
8671 | 298fe380 | Iustin Pop |
|
8672 | d1c2dd75 | Iustin Pop | This in combination with _IAllocatorGetClusterData will create the
|
8673 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
8674 | d61df03e | Iustin Pop |
|
8675 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
8676 | d1c2dd75 | Iustin Pop | done.
|
8677 | d61df03e | Iustin Pop |
|
8678 | d1c2dd75 | Iustin Pop | """
|
8679 | 923ddac0 | Michael Hanselmann | instance = self.cfg.GetInstanceInfo(self.name) |
8680 | 27579978 | Iustin Pop | if instance is None: |
8681 | 27579978 | Iustin Pop | raise errors.ProgrammerError("Unknown instance '%s' passed to" |
8682 | 27579978 | Iustin Pop | " IAllocator" % self.name) |
8683 | 27579978 | Iustin Pop | |
8684 | 27579978 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
8685 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Can't relocate non-mirrored instances", |
8686 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
8687 | 27579978 | Iustin Pop | |
8688 | 2a139bb0 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
8689 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Instance has not exactly one secondary node", |
8690 | 5c983ee5 | Iustin Pop | errors.ECODE_STATE) |
8691 | 2a139bb0 | Iustin Pop | |
8692 | 27579978 | Iustin Pop | self.required_nodes = 1 |
8693 | dafc7302 | Guido Trotter | disk_sizes = [{'size': disk.size} for disk in instance.disks] |
8694 | dafc7302 | Guido Trotter | disk_space = _ComputeDiskSize(instance.disk_template, disk_sizes) |
8695 | 27579978 | Iustin Pop | |
8696 | d1c2dd75 | Iustin Pop | request = { |
8697 | 2a139bb0 | Iustin Pop | "type": "relocate", |
8698 | d1c2dd75 | Iustin Pop | "name": self.name, |
8699 | 27579978 | Iustin Pop | "disk_space_total": disk_space,
|
8700 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
8701 | 29859cb7 | Iustin Pop | "relocate_from": self.relocate_from, |
8702 | d1c2dd75 | Iustin Pop | } |
8703 | 27579978 | Iustin Pop | self.in_data["request"] = request |
8704 | d61df03e | Iustin Pop | |
8705 | d1c2dd75 | Iustin Pop | def _BuildInputData(self): |
8706 | d1c2dd75 | Iustin Pop | """Build input data structures.
|
8707 | d61df03e | Iustin Pop |
|
8708 | d1c2dd75 | Iustin Pop | """
|
8709 | d1c2dd75 | Iustin Pop | self._ComputeClusterData()
|
8710 | d61df03e | Iustin Pop | |
8711 | d1c2dd75 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
8712 | d1c2dd75 | Iustin Pop | self._AddNewInstance()
|
8713 | d1c2dd75 | Iustin Pop | else:
|
8714 | d1c2dd75 | Iustin Pop | self._AddRelocateInstance()
|
8715 | d61df03e | Iustin Pop | |
8716 | d1c2dd75 | Iustin Pop | self.in_text = serializer.Dump(self.in_data) |
8717 | d61df03e | Iustin Pop | |
8718 | 72737a7f | Iustin Pop | def Run(self, name, validate=True, call_fn=None): |
8719 | d1c2dd75 | Iustin Pop | """Run an instance allocator and return the results.
|
8720 | 298fe380 | Iustin Pop |
|
8721 | d1c2dd75 | Iustin Pop | """
|
8722 | 72737a7f | Iustin Pop | if call_fn is None: |
8723 | 923ddac0 | Michael Hanselmann | call_fn = self.rpc.call_iallocator_runner
|
8724 | 298fe380 | Iustin Pop | |
8725 | 923ddac0 | Michael Hanselmann | result = call_fn(self.cfg.GetMasterNode(), name, self.in_text) |
8726 | 4c4e4e1e | Iustin Pop | result.Raise("Failure while running the iallocator script")
|
8727 | 8d528b7c | Iustin Pop | |
8728 | 87f5c298 | Iustin Pop | self.out_text = result.payload
|
8729 | d1c2dd75 | Iustin Pop | if validate:
|
8730 | d1c2dd75 | Iustin Pop | self._ValidateResult()
|
8731 | 298fe380 | Iustin Pop | |
8732 | d1c2dd75 | Iustin Pop | def _ValidateResult(self): |
8733 | d1c2dd75 | Iustin Pop | """Process the allocator results.
|
8734 | 538475ca | Iustin Pop |
|
8735 | d1c2dd75 | Iustin Pop | This will process and if successful save the result in
|
8736 | d1c2dd75 | Iustin Pop | self.out_data and the other parameters.
|
8737 | 538475ca | Iustin Pop |
|
8738 | d1c2dd75 | Iustin Pop | """
|
8739 | d1c2dd75 | Iustin Pop | try:
|
8740 | d1c2dd75 | Iustin Pop | rdict = serializer.Load(self.out_text)
|
8741 | d1c2dd75 | Iustin Pop | except Exception, err: |
8742 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: %s" % str(err)) |
8743 | d1c2dd75 | Iustin Pop | |
8744 | d1c2dd75 | Iustin Pop | if not isinstance(rdict, dict): |
8745 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: not a dict") |
8746 | 538475ca | Iustin Pop | |
8747 | d1c2dd75 | Iustin Pop | for key in "success", "info", "nodes": |
8748 | d1c2dd75 | Iustin Pop | if key not in rdict: |
8749 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results:" |
8750 | d1c2dd75 | Iustin Pop | " missing key '%s'" % key)
|
8751 | d1c2dd75 | Iustin Pop | setattr(self, key, rdict[key]) |
8752 | 538475ca | Iustin Pop | |
8753 | d1c2dd75 | Iustin Pop | if not isinstance(rdict["nodes"], list): |
8754 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: 'nodes' key" |
8755 | d1c2dd75 | Iustin Pop | " is not a list")
|
8756 | d1c2dd75 | Iustin Pop | self.out_data = rdict
|
8757 | 538475ca | Iustin Pop | |
8758 | 538475ca | Iustin Pop | |
8759 | d61df03e | Iustin Pop | class LUTestAllocator(NoHooksLU): |
8760 | d61df03e | Iustin Pop | """Run allocator tests.
|
8761 | d61df03e | Iustin Pop |
|
8762 | d61df03e | Iustin Pop | This LU runs the allocator tests
|
8763 | d61df03e | Iustin Pop |
|
8764 | d61df03e | Iustin Pop | """
|
8765 | d61df03e | Iustin Pop | _OP_REQP = ["direction", "mode", "name"] |
8766 | d61df03e | Iustin Pop | |
8767 | d61df03e | Iustin Pop | def CheckPrereq(self): |
8768 | d61df03e | Iustin Pop | """Check prerequisites.
|
8769 | d61df03e | Iustin Pop |
|
8770 | d61df03e | Iustin Pop | This checks the opcode parameters depending on the director and mode test.
|
8771 | d61df03e | Iustin Pop |
|
8772 | d61df03e | Iustin Pop | """
|
8773 | 298fe380 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
8774 | d61df03e | Iustin Pop | for attr in ["name", "mem_size", "disks", "disk_template", |
8775 | d61df03e | Iustin Pop | "os", "tags", "nics", "vcpus"]: |
8776 | d61df03e | Iustin Pop | if not hasattr(self.op, attr): |
8777 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute '%s' on opcode input" % |
8778 | 5c983ee5 | Iustin Pop | attr, errors.ECODE_INVAL) |
8779 | d61df03e | Iustin Pop | iname = self.cfg.ExpandInstanceName(self.op.name) |
8780 | d61df03e | Iustin Pop | if iname is not None: |
8781 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' already in the cluster" % |
8782 | 5c983ee5 | Iustin Pop | iname, errors.ECODE_EXISTS) |
8783 | d61df03e | Iustin Pop | if not isinstance(self.op.nics, list): |
8784 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'nics'", |
8785 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
8786 | d61df03e | Iustin Pop | for row in self.op.nics: |
8787 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
8788 | d61df03e | Iustin Pop | "mac" not in row or |
8789 | d61df03e | Iustin Pop | "ip" not in row or |
8790 | d61df03e | Iustin Pop | "bridge" not in row): |
8791 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the 'nics'" |
8792 | 5c983ee5 | Iustin Pop | " parameter", errors.ECODE_INVAL)
|
8793 | d61df03e | Iustin Pop | if not isinstance(self.op.disks, list): |
8794 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'disks'", |
8795 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
8796 | d61df03e | Iustin Pop | for row in self.op.disks: |
8797 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
8798 | d61df03e | Iustin Pop | "size" not in row or |
8799 | d61df03e | Iustin Pop | not isinstance(row["size"], int) or |
8800 | d61df03e | Iustin Pop | "mode" not in row or |
8801 | d61df03e | Iustin Pop | row["mode"] not in ['r', 'w']): |
8802 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the 'disks'" |
8803 | 5c983ee5 | Iustin Pop | " parameter", errors.ECODE_INVAL)
|
8804 | 8901997e | Iustin Pop | if not hasattr(self.op, "hypervisor") or self.op.hypervisor is None: |
8805 | 8cc7e742 | Guido Trotter | self.op.hypervisor = self.cfg.GetHypervisorType() |
8806 | 298fe380 | Iustin Pop | elif self.op.mode == constants.IALLOCATOR_MODE_RELOC: |
8807 | d61df03e | Iustin Pop | if not hasattr(self.op, "name"): |
8808 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Missing attribute 'name' on opcode input", |
8809 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
8810 | d61df03e | Iustin Pop | fname = self.cfg.ExpandInstanceName(self.op.name) |
8811 | d61df03e | Iustin Pop | if fname is None: |
8812 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found for relocation" % |
8813 | 5c983ee5 | Iustin Pop | self.op.name, errors.ECODE_NOENT)
|
8814 | d61df03e | Iustin Pop | self.op.name = fname
|
8815 | 29859cb7 | Iustin Pop | self.relocate_from = self.cfg.GetInstanceInfo(fname).secondary_nodes |
8816 | d61df03e | Iustin Pop | else:
|
8817 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid test allocator mode '%s'" % |
8818 | 5c983ee5 | Iustin Pop | self.op.mode, errors.ECODE_INVAL)
|
8819 | d61df03e | Iustin Pop | |
8820 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_OUT: |
8821 | 298fe380 | Iustin Pop | if not hasattr(self.op, "allocator") or self.op.allocator is None: |
8822 | 5c983ee5 | Iustin Pop | raise errors.OpPrereqError("Missing allocator name", |
8823 | 5c983ee5 | Iustin Pop | errors.ECODE_INVAL) |
8824 | 298fe380 | Iustin Pop | elif self.op.direction != constants.IALLOCATOR_DIR_IN: |
8825 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Wrong allocator test '%s'" % |
8826 | 5c983ee5 | Iustin Pop | self.op.direction, errors.ECODE_INVAL)
|
8827 | d61df03e | Iustin Pop | |
8828 | d61df03e | Iustin Pop | def Exec(self, feedback_fn): |
8829 | d61df03e | Iustin Pop | """Run the allocator test.
|
8830 | d61df03e | Iustin Pop |
|
8831 | d61df03e | Iustin Pop | """
|
8832 | 29859cb7 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
8833 | 923ddac0 | Michael Hanselmann | ial = IAllocator(self.cfg, self.rpc, |
8834 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
8835 | 29859cb7 | Iustin Pop | name=self.op.name,
|
8836 | 29859cb7 | Iustin Pop | mem_size=self.op.mem_size,
|
8837 | 29859cb7 | Iustin Pop | disks=self.op.disks,
|
8838 | 29859cb7 | Iustin Pop | disk_template=self.op.disk_template,
|
8839 | 29859cb7 | Iustin Pop | os=self.op.os,
|
8840 | 29859cb7 | Iustin Pop | tags=self.op.tags,
|
8841 | 29859cb7 | Iustin Pop | nics=self.op.nics,
|
8842 | 29859cb7 | Iustin Pop | vcpus=self.op.vcpus,
|
8843 | 8cc7e742 | Guido Trotter | hypervisor=self.op.hypervisor,
|
8844 | 29859cb7 | Iustin Pop | ) |
8845 | 29859cb7 | Iustin Pop | else:
|
8846 | 923ddac0 | Michael Hanselmann | ial = IAllocator(self.cfg, self.rpc, |
8847 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
8848 | 29859cb7 | Iustin Pop | name=self.op.name,
|
8849 | 29859cb7 | Iustin Pop | relocate_from=list(self.relocate_from), |
8850 | 29859cb7 | Iustin Pop | ) |
8851 | d61df03e | Iustin Pop | |
8852 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_IN: |
8853 | d1c2dd75 | Iustin Pop | result = ial.in_text |
8854 | 298fe380 | Iustin Pop | else:
|
8855 | d1c2dd75 | Iustin Pop | ial.Run(self.op.allocator, validate=False) |
8856 | d1c2dd75 | Iustin Pop | result = ial.out_text |
8857 | 298fe380 | Iustin Pop | return result |