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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 | a8083063 | Iustin Pop | # pylint: disable-msg=W0613,W0201
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25 | a8083063 | Iustin Pop | |
26 | a8083063 | Iustin Pop | import os |
27 | a8083063 | Iustin Pop | import os.path |
28 | a8083063 | Iustin Pop | import time |
29 | a8083063 | Iustin Pop | import re |
30 | a8083063 | Iustin Pop | import platform |
31 | ffa1c0dc | Iustin Pop | import logging |
32 | 74409b12 | Iustin Pop | import copy |
33 | a8083063 | Iustin Pop | |
34 | a8083063 | Iustin Pop | from ganeti import ssh |
35 | a8083063 | Iustin Pop | from ganeti import utils |
36 | a8083063 | Iustin Pop | from ganeti import errors |
37 | a8083063 | Iustin Pop | from ganeti import hypervisor |
38 | 6048c986 | Guido Trotter | from ganeti import locking |
39 | a8083063 | Iustin Pop | from ganeti import constants |
40 | a8083063 | Iustin Pop | from ganeti import objects |
41 | 8d14b30d | Iustin Pop | from ganeti import serializer |
42 | 112f18a5 | Iustin Pop | from ganeti import ssconf |
43 | d61df03e | Iustin Pop | |
44 | d61df03e | Iustin Pop | |
45 | a8083063 | Iustin Pop | class LogicalUnit(object): |
46 | 396e1b78 | Michael Hanselmann | """Logical Unit base class.
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47 | a8083063 | Iustin Pop |
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48 | a8083063 | Iustin Pop | Subclasses must follow these rules:
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49 | d465bdc8 | Guido Trotter | - implement ExpandNames
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50 | 6fd35c4d | Michael Hanselmann | - implement CheckPrereq (except when tasklets are used)
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51 | 6fd35c4d | Michael Hanselmann | - implement Exec (except when tasklets are used)
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52 | a8083063 | Iustin Pop | - implement BuildHooksEnv
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53 | a8083063 | Iustin Pop | - redefine HPATH and HTYPE
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54 | 05f86716 | Guido Trotter | - optionally redefine their run requirements:
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55 | 7e55040e | Guido Trotter | REQ_BGL: the LU needs to hold the Big Ganeti Lock exclusively
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56 | 05f86716 | Guido Trotter |
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57 | 05f86716 | Guido Trotter | Note that all commands require root permissions.
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58 | a8083063 | Iustin Pop |
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59 | 20777413 | Iustin Pop | @ivar dry_run_result: the value (if any) that will be returned to the caller
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60 | 20777413 | Iustin Pop | in dry-run mode (signalled by opcode dry_run parameter)
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61 | 20777413 | Iustin Pop |
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62 | a8083063 | Iustin Pop | """
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63 | a8083063 | Iustin Pop | HPATH = None
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64 | a8083063 | Iustin Pop | HTYPE = None
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65 | a8083063 | Iustin Pop | _OP_REQP = [] |
66 | 7e55040e | Guido Trotter | REQ_BGL = True
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67 | a8083063 | Iustin Pop | |
68 | 72737a7f | Iustin Pop | def __init__(self, processor, op, context, rpc): |
69 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
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70 | a8083063 | Iustin Pop |
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71 | 5bbd3f7f | Michael Hanselmann | This needs to be overridden in derived classes in order to check op
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72 | a8083063 | Iustin Pop | validity.
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73 | a8083063 | Iustin Pop |
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74 | a8083063 | Iustin Pop | """
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75 | 5bfac263 | Iustin Pop | self.proc = processor
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76 | a8083063 | Iustin Pop | self.op = op
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77 | 77b657a3 | Guido Trotter | self.cfg = context.cfg
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78 | 77b657a3 | Guido Trotter | self.context = context
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79 | 72737a7f | Iustin Pop | self.rpc = rpc
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80 | ca2a79e1 | Guido Trotter | # Dicts used to declare locking needs to mcpu
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81 | d465bdc8 | Guido Trotter | self.needed_locks = None |
82 | 6683bba2 | Guido Trotter | self.acquired_locks = {}
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83 | c772d142 | Michael Hanselmann | self.share_locks = dict.fromkeys(locking.LEVELS, 0) |
84 | ca2a79e1 | Guido Trotter | self.add_locks = {}
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85 | ca2a79e1 | Guido Trotter | self.remove_locks = {}
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86 | c4a2fee1 | Guido Trotter | # Used to force good behavior when calling helper functions
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87 | c4a2fee1 | Guido Trotter | self.recalculate_locks = {}
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88 | c92b310a | Michael Hanselmann | self.__ssh = None |
89 | 86d9d3bb | Iustin Pop | # logging
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90 | 86d9d3bb | Iustin Pop | self.LogWarning = processor.LogWarning
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91 | 86d9d3bb | Iustin Pop | self.LogInfo = processor.LogInfo
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92 | 2bb5c911 | Michael Hanselmann | self.LogStep = processor.LogStep
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93 | 20777413 | Iustin Pop | # support for dry-run
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94 | 20777413 | Iustin Pop | self.dry_run_result = None |
95 | c92b310a | Michael Hanselmann | |
96 | 6fd35c4d | Michael Hanselmann | # Tasklets
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97 | 6fd35c4d | Michael Hanselmann | self.tasklets = []
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98 | 6fd35c4d | Michael Hanselmann | |
99 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
100 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
101 | a8083063 | Iustin Pop | if attr_val is None: |
102 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
103 | 3ecf6786 | Iustin Pop | attr_name) |
104 | 6fd35c4d | Michael Hanselmann | |
105 | 4be4691d | Iustin Pop | self.CheckArguments()
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106 | a8083063 | Iustin Pop | |
107 | c92b310a | Michael Hanselmann | def __GetSSH(self): |
108 | c92b310a | Michael Hanselmann | """Returns the SshRunner object
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109 | c92b310a | Michael Hanselmann |
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110 | c92b310a | Michael Hanselmann | """
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111 | c92b310a | Michael Hanselmann | if not self.__ssh: |
112 | 6b0469d2 | Iustin Pop | self.__ssh = ssh.SshRunner(self.cfg.GetClusterName()) |
113 | c92b310a | Michael Hanselmann | return self.__ssh |
114 | c92b310a | Michael Hanselmann | |
115 | c92b310a | Michael Hanselmann | ssh = property(fget=__GetSSH)
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116 | c92b310a | Michael Hanselmann | |
117 | 4be4691d | Iustin Pop | def CheckArguments(self): |
118 | 4be4691d | Iustin Pop | """Check syntactic validity for the opcode arguments.
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119 | 4be4691d | Iustin Pop |
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120 | 4be4691d | Iustin Pop | This method is for doing a simple syntactic check and ensure
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121 | 4be4691d | Iustin Pop | validity of opcode parameters, without any cluster-related
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122 | 4be4691d | Iustin Pop | checks. While the same can be accomplished in ExpandNames and/or
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123 | 4be4691d | Iustin Pop | CheckPrereq, doing these separate is better because:
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124 | 4be4691d | Iustin Pop |
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125 | 4be4691d | Iustin Pop | - ExpandNames is left as as purely a lock-related function
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126 | 5bbd3f7f | Michael Hanselmann | - CheckPrereq is run after we have acquired locks (and possible
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127 | 4be4691d | Iustin Pop | waited for them)
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128 | 4be4691d | Iustin Pop |
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129 | 4be4691d | Iustin Pop | The function is allowed to change the self.op attribute so that
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130 | 4be4691d | Iustin Pop | later methods can no longer worry about missing parameters.
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131 | 4be4691d | Iustin Pop |
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132 | 4be4691d | Iustin Pop | """
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133 | 4be4691d | Iustin Pop | pass
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134 | 4be4691d | Iustin Pop | |
135 | d465bdc8 | Guido Trotter | def ExpandNames(self): |
136 | d465bdc8 | Guido Trotter | """Expand names for this LU.
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137 | d465bdc8 | Guido Trotter |
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138 | d465bdc8 | Guido Trotter | This method is called before starting to execute the opcode, and it should
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139 | d465bdc8 | Guido Trotter | update all the parameters of the opcode to their canonical form (e.g. a
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140 | d465bdc8 | Guido Trotter | short node name must be fully expanded after this method has successfully
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141 | d465bdc8 | Guido Trotter | completed). This way locking, hooks, logging, ecc. can work correctly.
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142 | d465bdc8 | Guido Trotter |
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143 | d465bdc8 | Guido Trotter | LUs which implement this method must also populate the self.needed_locks
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144 | d465bdc8 | Guido Trotter | member, as a dict with lock levels as keys, and a list of needed lock names
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145 | d465bdc8 | Guido Trotter | as values. Rules:
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146 | e4376078 | Iustin Pop |
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147 | e4376078 | Iustin Pop | - use an empty dict if you don't need any lock
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148 | e4376078 | Iustin Pop | - if you don't need any lock at a particular level omit that level
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149 | e4376078 | Iustin Pop | - don't put anything for the BGL level
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150 | e4376078 | Iustin Pop | - if you want all locks at a level use locking.ALL_SET as a value
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151 | d465bdc8 | Guido Trotter |
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152 | 3977a4c1 | Guido Trotter | If you need to share locks (rather than acquire them exclusively) at one
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153 | 3977a4c1 | Guido Trotter | level you can modify self.share_locks, setting a true value (usually 1) for
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154 | 3977a4c1 | Guido Trotter | that level. By default locks are not shared.
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155 | 3977a4c1 | Guido Trotter |
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156 | 6fd35c4d | Michael Hanselmann | This function can also define a list of tasklets, which then will be
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157 | 6fd35c4d | Michael Hanselmann | executed in order instead of the usual LU-level CheckPrereq and Exec
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158 | 6fd35c4d | Michael Hanselmann | functions, if those are not defined by the LU.
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159 | 6fd35c4d | Michael Hanselmann |
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160 | e4376078 | Iustin Pop | Examples::
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161 | e4376078 | Iustin Pop |
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162 | e4376078 | Iustin Pop | # Acquire all nodes and one instance
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163 | e4376078 | Iustin Pop | self.needed_locks = {
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164 | e4376078 | Iustin Pop | locking.LEVEL_NODE: locking.ALL_SET,
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165 | e4376078 | Iustin Pop | locking.LEVEL_INSTANCE: ['instance1.example.tld'],
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166 | e4376078 | Iustin Pop | }
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167 | e4376078 | Iustin Pop | # Acquire just two nodes
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168 | e4376078 | Iustin Pop | self.needed_locks = {
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169 | e4376078 | Iustin Pop | locking.LEVEL_NODE: ['node1.example.tld', 'node2.example.tld'],
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170 | e4376078 | Iustin Pop | }
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171 | e4376078 | Iustin Pop | # Acquire no locks
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172 | e4376078 | Iustin Pop | self.needed_locks = {} # No, you can't leave it to the default value None
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173 | d465bdc8 | Guido Trotter |
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174 | d465bdc8 | Guido Trotter | """
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175 | d465bdc8 | Guido Trotter | # The implementation of this method is mandatory only if the new LU is
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176 | d465bdc8 | Guido Trotter | # concurrent, so that old LUs don't need to be changed all at the same
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177 | d465bdc8 | Guido Trotter | # time.
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178 | d465bdc8 | Guido Trotter | if self.REQ_BGL: |
179 | d465bdc8 | Guido Trotter | self.needed_locks = {} # Exclusive LUs don't need locks. |
180 | d465bdc8 | Guido Trotter | else:
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181 | d465bdc8 | Guido Trotter | raise NotImplementedError |
182 | d465bdc8 | Guido Trotter | |
183 | fb8dcb62 | Guido Trotter | def DeclareLocks(self, level): |
184 | fb8dcb62 | Guido Trotter | """Declare LU locking needs for a level
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185 | fb8dcb62 | Guido Trotter |
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186 | fb8dcb62 | Guido Trotter | While most LUs can just declare their locking needs at ExpandNames time,
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187 | fb8dcb62 | Guido Trotter | sometimes there's the need to calculate some locks after having acquired
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188 | fb8dcb62 | Guido Trotter | the ones before. This function is called just before acquiring locks at a
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189 | fb8dcb62 | Guido Trotter | particular level, but after acquiring the ones at lower levels, and permits
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190 | fb8dcb62 | Guido Trotter | such calculations. It can be used to modify self.needed_locks, and by
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191 | fb8dcb62 | Guido Trotter | default it does nothing.
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192 | fb8dcb62 | Guido Trotter |
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193 | fb8dcb62 | Guido Trotter | This function is only called if you have something already set in
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194 | fb8dcb62 | Guido Trotter | self.needed_locks for the level.
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195 | fb8dcb62 | Guido Trotter |
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196 | fb8dcb62 | Guido Trotter | @param level: Locking level which is going to be locked
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197 | fb8dcb62 | Guido Trotter | @type level: member of ganeti.locking.LEVELS
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198 | fb8dcb62 | Guido Trotter |
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199 | fb8dcb62 | Guido Trotter | """
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200 | fb8dcb62 | Guido Trotter | |
201 | a8083063 | Iustin Pop | def CheckPrereq(self): |
202 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
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203 | a8083063 | Iustin Pop |
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204 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
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205 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
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206 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
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207 | a8083063 | Iustin Pop | allowed.
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208 | a8083063 | Iustin Pop |
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209 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
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210 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
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211 | a8083063 | Iustin Pop |
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212 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
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213 | d465bdc8 | Guido Trotter | their canonical form if it hasn't been done by ExpandNames before.
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214 | a8083063 | Iustin Pop |
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215 | a8083063 | Iustin Pop | """
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216 | 6fd35c4d | Michael Hanselmann | if self.tasklets: |
217 | 6fd35c4d | Michael Hanselmann | for tl in self.tasklets: |
218 | 6fd35c4d | Michael Hanselmann | tl.CheckPrereq() |
219 | 6fd35c4d | Michael Hanselmann | else:
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220 | 6fd35c4d | Michael Hanselmann | raise NotImplementedError |
221 | a8083063 | Iustin Pop | |
222 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
223 | a8083063 | Iustin Pop | """Execute the LU.
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224 | a8083063 | Iustin Pop |
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225 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
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226 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
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227 | a8083063 | Iustin Pop | code, or expected.
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228 | a8083063 | Iustin Pop |
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229 | a8083063 | Iustin Pop | """
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230 | 6fd35c4d | Michael Hanselmann | if self.tasklets: |
231 | 6fd35c4d | Michael Hanselmann | for tl in self.tasklets: |
232 | 6fd35c4d | Michael Hanselmann | tl.Exec(feedback_fn) |
233 | 6fd35c4d | Michael Hanselmann | else:
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234 | 6fd35c4d | Michael Hanselmann | raise NotImplementedError |
235 | a8083063 | Iustin Pop | |
236 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
237 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
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238 | a8083063 | Iustin Pop |
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239 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
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240 | a8083063 | Iustin Pop | containing the environment that will be used for running the
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241 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
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242 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
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243 | a8083063 | Iustin Pop | the hook should run after the execution.
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244 | a8083063 | Iustin Pop |
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245 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
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246 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
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247 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
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248 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
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249 | a8083063 | Iustin Pop |
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250 | 8a3fe350 | Guido Trotter | No nodes should be returned as an empty list (and not None).
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251 | a8083063 | Iustin Pop |
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252 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
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253 | a8083063 | Iustin Pop | not be called.
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254 | a8083063 | Iustin Pop |
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255 | a8083063 | Iustin Pop | """
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256 | a8083063 | Iustin Pop | raise NotImplementedError |
257 | a8083063 | Iustin Pop | |
258 | 1fce5219 | Guido Trotter | def HooksCallBack(self, phase, hook_results, feedback_fn, lu_result): |
259 | 1fce5219 | Guido Trotter | """Notify the LU about the results of its hooks.
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260 | 1fce5219 | Guido Trotter |
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261 | 1fce5219 | Guido Trotter | This method is called every time a hooks phase is executed, and notifies
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262 | 1fce5219 | Guido Trotter | the Logical Unit about the hooks' result. The LU can then use it to alter
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263 | 1fce5219 | Guido Trotter | its result based on the hooks. By default the method does nothing and the
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264 | 1fce5219 | Guido Trotter | previous result is passed back unchanged but any LU can define it if it
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265 | 1fce5219 | Guido Trotter | wants to use the local cluster hook-scripts somehow.
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266 | 1fce5219 | Guido Trotter |
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267 | e4376078 | Iustin Pop | @param phase: one of L{constants.HOOKS_PHASE_POST} or
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268 | e4376078 | Iustin Pop | L{constants.HOOKS_PHASE_PRE}; it denotes the hooks phase
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269 | e4376078 | Iustin Pop | @param hook_results: the results of the multi-node hooks rpc call
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270 | e4376078 | Iustin Pop | @param feedback_fn: function used send feedback back to the caller
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271 | e4376078 | Iustin Pop | @param lu_result: the previous Exec result this LU had, or None
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272 | e4376078 | Iustin Pop | in the PRE phase
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273 | e4376078 | Iustin Pop | @return: the new Exec result, based on the previous result
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274 | e4376078 | Iustin Pop | and hook results
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275 | 1fce5219 | Guido Trotter |
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276 | 1fce5219 | Guido Trotter | """
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277 | 1fce5219 | Guido Trotter | return lu_result
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278 | 1fce5219 | Guido Trotter | |
279 | 43905206 | Guido Trotter | def _ExpandAndLockInstance(self): |
280 | 43905206 | Guido Trotter | """Helper function to expand and lock an instance.
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281 | 43905206 | Guido Trotter |
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282 | 43905206 | Guido Trotter | Many LUs that work on an instance take its name in self.op.instance_name
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283 | 43905206 | Guido Trotter | and need to expand it and then declare the expanded name for locking. This
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284 | 43905206 | Guido Trotter | function does it, and then updates self.op.instance_name to the expanded
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285 | 43905206 | Guido Trotter | name. It also initializes needed_locks as a dict, if this hasn't been done
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286 | 43905206 | Guido Trotter | before.
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287 | 43905206 | Guido Trotter |
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288 | 43905206 | Guido Trotter | """
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289 | 43905206 | Guido Trotter | if self.needed_locks is None: |
290 | 43905206 | Guido Trotter | self.needed_locks = {}
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291 | 43905206 | Guido Trotter | else:
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292 | 43905206 | Guido Trotter | assert locking.LEVEL_INSTANCE not in self.needed_locks, \ |
293 | 43905206 | Guido Trotter | "_ExpandAndLockInstance called with instance-level locks set"
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294 | 43905206 | Guido Trotter | expanded_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
295 | 43905206 | Guido Trotter | if expanded_name is None: |
296 | 43905206 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
297 | 43905206 | Guido Trotter | self.op.instance_name)
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298 | 43905206 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = expanded_name
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299 | 43905206 | Guido Trotter | self.op.instance_name = expanded_name
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300 | 43905206 | Guido Trotter | |
301 | a82ce292 | Guido Trotter | def _LockInstancesNodes(self, primary_only=False): |
302 | c4a2fee1 | Guido Trotter | """Helper function to declare instances' nodes for locking.
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303 | c4a2fee1 | Guido Trotter |
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304 | c4a2fee1 | Guido Trotter | This function should be called after locking one or more instances to lock
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305 | c4a2fee1 | Guido Trotter | their nodes. Its effect is populating self.needed_locks[locking.LEVEL_NODE]
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306 | c4a2fee1 | Guido Trotter | with all primary or secondary nodes for instances already locked and
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307 | c4a2fee1 | Guido Trotter | present in self.needed_locks[locking.LEVEL_INSTANCE].
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308 | c4a2fee1 | Guido Trotter |
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309 | c4a2fee1 | Guido Trotter | It should be called from DeclareLocks, and for safety only works if
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310 | c4a2fee1 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] is set.
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311 | c4a2fee1 | Guido Trotter |
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312 | c4a2fee1 | Guido Trotter | In the future it may grow parameters to just lock some instance's nodes, or
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313 | c4a2fee1 | Guido Trotter | to just lock primaries or secondary nodes, if needed.
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314 | c4a2fee1 | Guido Trotter |
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315 | e4376078 | Iustin Pop | If should be called in DeclareLocks in a way similar to::
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316 | c4a2fee1 | Guido Trotter |
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317 | e4376078 | Iustin Pop | if level == locking.LEVEL_NODE:
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318 | e4376078 | Iustin Pop | self._LockInstancesNodes()
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319 | c4a2fee1 | Guido Trotter |
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320 | a82ce292 | Guido Trotter | @type primary_only: boolean
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321 | a82ce292 | Guido Trotter | @param primary_only: only lock primary nodes of locked instances
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322 | a82ce292 | Guido Trotter |
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323 | c4a2fee1 | Guido Trotter | """
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324 | c4a2fee1 | Guido Trotter | assert locking.LEVEL_NODE in self.recalculate_locks, \ |
325 | c4a2fee1 | Guido Trotter | "_LockInstancesNodes helper function called with no nodes to recalculate"
|
326 | c4a2fee1 | Guido Trotter | |
327 | c4a2fee1 | Guido Trotter | # TODO: check if we're really been called with the instance locks held
|
328 | c4a2fee1 | Guido Trotter | |
329 | c4a2fee1 | Guido Trotter | # For now we'll replace self.needed_locks[locking.LEVEL_NODE], but in the
|
330 | c4a2fee1 | Guido Trotter | # future we might want to have different behaviors depending on the value
|
331 | c4a2fee1 | Guido Trotter | # of self.recalculate_locks[locking.LEVEL_NODE]
|
332 | c4a2fee1 | Guido Trotter | wanted_nodes = [] |
333 | 6683bba2 | Guido Trotter | for instance_name in self.acquired_locks[locking.LEVEL_INSTANCE]: |
334 | c4a2fee1 | Guido Trotter | instance = self.context.cfg.GetInstanceInfo(instance_name)
|
335 | c4a2fee1 | Guido Trotter | wanted_nodes.append(instance.primary_node) |
336 | a82ce292 | Guido Trotter | if not primary_only: |
337 | a82ce292 | Guido Trotter | wanted_nodes.extend(instance.secondary_nodes) |
338 | 9513b6ab | Guido Trotter | |
339 | 9513b6ab | Guido Trotter | if self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_REPLACE: |
340 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = wanted_nodes
|
341 | 9513b6ab | Guido Trotter | elif self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_APPEND: |
342 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].extend(wanted_nodes)
|
343 | c4a2fee1 | Guido Trotter | |
344 | c4a2fee1 | Guido Trotter | del self.recalculate_locks[locking.LEVEL_NODE] |
345 | c4a2fee1 | Guido Trotter | |
346 | a8083063 | Iustin Pop | |
347 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
348 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
|
349 | a8083063 | Iustin Pop |
|
350 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
|
351 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
|
352 | a8083063 | Iustin Pop |
|
353 | a8083063 | Iustin Pop | """
|
354 | a8083063 | Iustin Pop | HPATH = None
|
355 | a8083063 | Iustin Pop | HTYPE = None
|
356 | a8083063 | Iustin Pop | |
357 | a8083063 | Iustin Pop | |
358 | 9a6800e1 | Michael Hanselmann | class Tasklet: |
359 | 9a6800e1 | Michael Hanselmann | """Tasklet base class.
|
360 | 9a6800e1 | Michael Hanselmann |
|
361 | 9a6800e1 | Michael Hanselmann | Tasklets are subcomponents for LUs. LUs can consist entirely of tasklets or
|
362 | 9a6800e1 | Michael Hanselmann | they can mix legacy code with tasklets. Locking needs to be done in the LU,
|
363 | 9a6800e1 | Michael Hanselmann | tasklets know nothing about locks.
|
364 | 9a6800e1 | Michael Hanselmann |
|
365 | 9a6800e1 | Michael Hanselmann | Subclasses must follow these rules:
|
366 | 9a6800e1 | Michael Hanselmann | - Implement CheckPrereq
|
367 | 9a6800e1 | Michael Hanselmann | - Implement Exec
|
368 | 9a6800e1 | Michael Hanselmann |
|
369 | 9a6800e1 | Michael Hanselmann | """
|
370 | 9a6800e1 | Michael Hanselmann | def CheckPrereq(self): |
371 | 9a6800e1 | Michael Hanselmann | """Check prerequisites for this tasklets.
|
372 | 9a6800e1 | Michael Hanselmann |
|
373 | 9a6800e1 | Michael Hanselmann | This method should check whether the prerequisites for the execution of
|
374 | 9a6800e1 | Michael Hanselmann | this tasklet are fulfilled. It can do internode communication, but it
|
375 | 9a6800e1 | Michael Hanselmann | should be idempotent - no cluster or system changes are allowed.
|
376 | 9a6800e1 | Michael Hanselmann |
|
377 | 9a6800e1 | Michael Hanselmann | The method should raise errors.OpPrereqError in case something is not
|
378 | 9a6800e1 | Michael Hanselmann | fulfilled. Its return value is ignored.
|
379 | 9a6800e1 | Michael Hanselmann |
|
380 | 9a6800e1 | Michael Hanselmann | This method should also update all parameters to their canonical form if it
|
381 | 9a6800e1 | Michael Hanselmann | hasn't been done before.
|
382 | 9a6800e1 | Michael Hanselmann |
|
383 | 9a6800e1 | Michael Hanselmann | """
|
384 | 9a6800e1 | Michael Hanselmann | raise NotImplementedError |
385 | 9a6800e1 | Michael Hanselmann | |
386 | 9a6800e1 | Michael Hanselmann | def Exec(self, feedback_fn): |
387 | 9a6800e1 | Michael Hanselmann | """Execute the tasklet.
|
388 | 9a6800e1 | Michael Hanselmann |
|
389 | 9a6800e1 | Michael Hanselmann | This method should implement the actual work. It should raise
|
390 | 9a6800e1 | Michael Hanselmann | errors.OpExecError for failures that are somewhat dealt with in code, or
|
391 | 9a6800e1 | Michael Hanselmann | expected.
|
392 | 9a6800e1 | Michael Hanselmann |
|
393 | 9a6800e1 | Michael Hanselmann | """
|
394 | 9a6800e1 | Michael Hanselmann | raise NotImplementedError |
395 | 9a6800e1 | Michael Hanselmann | |
396 | 9a6800e1 | Michael Hanselmann | |
397 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
398 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
|
399 | 83120a01 | Michael Hanselmann |
|
400 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
401 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
402 | e4376078 | Iustin Pop | @type nodes: list
|
403 | e4376078 | Iustin Pop | @param nodes: list of node names or None for all nodes
|
404 | e4376078 | Iustin Pop | @rtype: list
|
405 | e4376078 | Iustin Pop | @return: the list of nodes, sorted
|
406 | e4376078 | Iustin Pop | @raise errors.OpProgrammerError: if the nodes parameter is wrong type
|
407 | 83120a01 | Michael Hanselmann |
|
408 | 83120a01 | Michael Hanselmann | """
|
409 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
410 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
411 | dcb93971 | Michael Hanselmann | |
412 | ea47808a | Guido Trotter | if not nodes: |
413 | ea47808a | Guido Trotter | raise errors.ProgrammerError("_GetWantedNodes should only be called with a" |
414 | ea47808a | Guido Trotter | " non-empty list of nodes whose name is to be expanded.")
|
415 | dcb93971 | Michael Hanselmann | |
416 | ea47808a | Guido Trotter | wanted = [] |
417 | ea47808a | Guido Trotter | for name in nodes: |
418 | ea47808a | Guido Trotter | node = lu.cfg.ExpandNodeName(name) |
419 | ea47808a | Guido Trotter | if node is None: |
420 | ea47808a | Guido Trotter | raise errors.OpPrereqError("No such node name '%s'" % name) |
421 | ea47808a | Guido Trotter | wanted.append(node) |
422 | dcb93971 | Michael Hanselmann | |
423 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
424 | 3312b702 | Iustin Pop | |
425 | 3312b702 | Iustin Pop | |
426 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
427 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
|
428 | 3312b702 | Iustin Pop |
|
429 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
430 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
431 | e4376078 | Iustin Pop | @type instances: list
|
432 | e4376078 | Iustin Pop | @param instances: list of instance names or None for all instances
|
433 | e4376078 | Iustin Pop | @rtype: list
|
434 | e4376078 | Iustin Pop | @return: the list of instances, sorted
|
435 | e4376078 | Iustin Pop | @raise errors.OpPrereqError: if the instances parameter is wrong type
|
436 | e4376078 | Iustin Pop | @raise errors.OpPrereqError: if any of the passed instances is not found
|
437 | 3312b702 | Iustin Pop |
|
438 | 3312b702 | Iustin Pop | """
|
439 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
440 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
441 | 3312b702 | Iustin Pop | |
442 | 3312b702 | Iustin Pop | if instances:
|
443 | 3312b702 | Iustin Pop | wanted = [] |
444 | 3312b702 | Iustin Pop | |
445 | 3312b702 | Iustin Pop | for name in instances: |
446 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
447 | 3312b702 | Iustin Pop | if instance is None: |
448 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
449 | 3312b702 | Iustin Pop | wanted.append(instance) |
450 | 3312b702 | Iustin Pop | |
451 | 3312b702 | Iustin Pop | else:
|
452 | a7f5dc98 | Iustin Pop | wanted = utils.NiceSort(lu.cfg.GetInstanceList()) |
453 | a7f5dc98 | Iustin Pop | return wanted
|
454 | dcb93971 | Michael Hanselmann | |
455 | dcb93971 | Michael Hanselmann | |
456 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
457 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
|
458 | 83120a01 | Michael Hanselmann |
|
459 | a2d2e1a7 | Iustin Pop | @type static: L{utils.FieldSet}
|
460 | 31bf511f | Iustin Pop | @param static: static fields set
|
461 | a2d2e1a7 | Iustin Pop | @type dynamic: L{utils.FieldSet}
|
462 | 31bf511f | Iustin Pop | @param dynamic: dynamic fields set
|
463 | 83120a01 | Michael Hanselmann |
|
464 | 83120a01 | Michael Hanselmann | """
|
465 | a2d2e1a7 | Iustin Pop | f = utils.FieldSet() |
466 | 31bf511f | Iustin Pop | f.Extend(static) |
467 | 31bf511f | Iustin Pop | f.Extend(dynamic) |
468 | dcb93971 | Michael Hanselmann | |
469 | 31bf511f | Iustin Pop | delta = f.NonMatching(selected) |
470 | 31bf511f | Iustin Pop | if delta:
|
471 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
472 | 31bf511f | Iustin Pop | % ",".join(delta))
|
473 | dcb93971 | Michael Hanselmann | |
474 | dcb93971 | Michael Hanselmann | |
475 | a5961235 | Iustin Pop | def _CheckBooleanOpField(op, name): |
476 | a5961235 | Iustin Pop | """Validates boolean opcode parameters.
|
477 | a5961235 | Iustin Pop |
|
478 | a5961235 | Iustin Pop | This will ensure that an opcode parameter is either a boolean value,
|
479 | a5961235 | Iustin Pop | or None (but that it always exists).
|
480 | a5961235 | Iustin Pop |
|
481 | a5961235 | Iustin Pop | """
|
482 | a5961235 | Iustin Pop | val = getattr(op, name, None) |
483 | a5961235 | Iustin Pop | if not (val is None or isinstance(val, bool)): |
484 | a5961235 | Iustin Pop | raise errors.OpPrereqError("Invalid boolean parameter '%s' (%s)" % |
485 | a5961235 | Iustin Pop | (name, str(val)))
|
486 | a5961235 | Iustin Pop | setattr(op, name, val)
|
487 | a5961235 | Iustin Pop | |
488 | a5961235 | Iustin Pop | |
489 | a5961235 | Iustin Pop | def _CheckNodeOnline(lu, node): |
490 | a5961235 | Iustin Pop | """Ensure that a given node is online.
|
491 | a5961235 | Iustin Pop |
|
492 | a5961235 | Iustin Pop | @param lu: the LU on behalf of which we make the check
|
493 | a5961235 | Iustin Pop | @param node: the node to check
|
494 | 733a2b6a | Iustin Pop | @raise errors.OpPrereqError: if the node is offline
|
495 | a5961235 | Iustin Pop |
|
496 | a5961235 | Iustin Pop | """
|
497 | a5961235 | Iustin Pop | if lu.cfg.GetNodeInfo(node).offline:
|
498 | a5961235 | Iustin Pop | raise errors.OpPrereqError("Can't use offline node %s" % node) |
499 | a5961235 | Iustin Pop | |
500 | a5961235 | Iustin Pop | |
501 | 733a2b6a | Iustin Pop | def _CheckNodeNotDrained(lu, node): |
502 | 733a2b6a | Iustin Pop | """Ensure that a given node is not drained.
|
503 | 733a2b6a | Iustin Pop |
|
504 | 733a2b6a | Iustin Pop | @param lu: the LU on behalf of which we make the check
|
505 | 733a2b6a | Iustin Pop | @param node: the node to check
|
506 | 733a2b6a | Iustin Pop | @raise errors.OpPrereqError: if the node is drained
|
507 | 733a2b6a | Iustin Pop |
|
508 | 733a2b6a | Iustin Pop | """
|
509 | 733a2b6a | Iustin Pop | if lu.cfg.GetNodeInfo(node).drained:
|
510 | 733a2b6a | Iustin Pop | raise errors.OpPrereqError("Can't use drained node %s" % node) |
511 | 733a2b6a | Iustin Pop | |
512 | 733a2b6a | Iustin Pop | |
513 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
514 | 67fc3042 | Iustin Pop | memory, vcpus, nics, disk_template, disks, |
515 | 7c4d6c7b | Michael Hanselmann | bep, hvp, hypervisor_name): |
516 | e4376078 | Iustin Pop | """Builds instance related env variables for hooks
|
517 | e4376078 | Iustin Pop |
|
518 | e4376078 | Iustin Pop | This builds the hook environment from individual variables.
|
519 | e4376078 | Iustin Pop |
|
520 | e4376078 | Iustin Pop | @type name: string
|
521 | e4376078 | Iustin Pop | @param name: the name of the instance
|
522 | e4376078 | Iustin Pop | @type primary_node: string
|
523 | e4376078 | Iustin Pop | @param primary_node: the name of the instance's primary node
|
524 | e4376078 | Iustin Pop | @type secondary_nodes: list
|
525 | e4376078 | Iustin Pop | @param secondary_nodes: list of secondary nodes as strings
|
526 | e4376078 | Iustin Pop | @type os_type: string
|
527 | e4376078 | Iustin Pop | @param os_type: the name of the instance's OS
|
528 | 0d68c45d | Iustin Pop | @type status: boolean
|
529 | 0d68c45d | Iustin Pop | @param status: the should_run status of the instance
|
530 | e4376078 | Iustin Pop | @type memory: string
|
531 | e4376078 | Iustin Pop | @param memory: the memory size of the instance
|
532 | e4376078 | Iustin Pop | @type vcpus: string
|
533 | e4376078 | Iustin Pop | @param vcpus: the count of VCPUs the instance has
|
534 | e4376078 | Iustin Pop | @type nics: list
|
535 | 5e3d3eb3 | Guido Trotter | @param nics: list of tuples (ip, mac, mode, link) representing
|
536 | 5e3d3eb3 | Guido Trotter | the NICs the instance has
|
537 | 2c2690c9 | Iustin Pop | @type disk_template: string
|
538 | 5bbd3f7f | Michael Hanselmann | @param disk_template: the disk template of the instance
|
539 | 2c2690c9 | Iustin Pop | @type disks: list
|
540 | 2c2690c9 | Iustin Pop | @param disks: the list of (size, mode) pairs
|
541 | 67fc3042 | Iustin Pop | @type bep: dict
|
542 | 67fc3042 | Iustin Pop | @param bep: the backend parameters for the instance
|
543 | 67fc3042 | Iustin Pop | @type hvp: dict
|
544 | 67fc3042 | Iustin Pop | @param hvp: the hypervisor parameters for the instance
|
545 | 7c4d6c7b | Michael Hanselmann | @type hypervisor_name: string
|
546 | 7c4d6c7b | Michael Hanselmann | @param hypervisor_name: the hypervisor for the instance
|
547 | e4376078 | Iustin Pop | @rtype: dict
|
548 | e4376078 | Iustin Pop | @return: the hook environment for this instance
|
549 | ecb215b5 | Michael Hanselmann |
|
550 | 396e1b78 | Michael Hanselmann | """
|
551 | 0d68c45d | Iustin Pop | if status:
|
552 | 0d68c45d | Iustin Pop | str_status = "up"
|
553 | 0d68c45d | Iustin Pop | else:
|
554 | 0d68c45d | Iustin Pop | str_status = "down"
|
555 | 396e1b78 | Michael Hanselmann | env = { |
556 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
|
557 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
|
558 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
|
559 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
560 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
|
561 | 0d68c45d | Iustin Pop | "INSTANCE_STATUS": str_status,
|
562 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
|
563 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
|
564 | 2c2690c9 | Iustin Pop | "INSTANCE_DISK_TEMPLATE": disk_template,
|
565 | 7c4d6c7b | Michael Hanselmann | "INSTANCE_HYPERVISOR": hypervisor_name,
|
566 | 396e1b78 | Michael Hanselmann | } |
567 | 396e1b78 | Michael Hanselmann | |
568 | 396e1b78 | Michael Hanselmann | if nics:
|
569 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
|
570 | 62f0dd02 | Guido Trotter | for idx, (ip, mac, mode, link) in enumerate(nics): |
571 | 396e1b78 | Michael Hanselmann | if ip is None: |
572 | 396e1b78 | Michael Hanselmann | ip = ""
|
573 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
|
574 | 2c2690c9 | Iustin Pop | env["INSTANCE_NIC%d_MAC" % idx] = mac
|
575 | 62f0dd02 | Guido Trotter | env["INSTANCE_NIC%d_MODE" % idx] = mode
|
576 | 62f0dd02 | Guido Trotter | env["INSTANCE_NIC%d_LINK" % idx] = link
|
577 | 62f0dd02 | Guido Trotter | if mode == constants.NIC_MODE_BRIDGED:
|
578 | 62f0dd02 | Guido Trotter | env["INSTANCE_NIC%d_BRIDGE" % idx] = link
|
579 | 396e1b78 | Michael Hanselmann | else:
|
580 | 396e1b78 | Michael Hanselmann | nic_count = 0
|
581 | 396e1b78 | Michael Hanselmann | |
582 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
|
583 | 396e1b78 | Michael Hanselmann | |
584 | 2c2690c9 | Iustin Pop | if disks:
|
585 | 2c2690c9 | Iustin Pop | disk_count = len(disks)
|
586 | 2c2690c9 | Iustin Pop | for idx, (size, mode) in enumerate(disks): |
587 | 2c2690c9 | Iustin Pop | env["INSTANCE_DISK%d_SIZE" % idx] = size
|
588 | 2c2690c9 | Iustin Pop | env["INSTANCE_DISK%d_MODE" % idx] = mode
|
589 | 2c2690c9 | Iustin Pop | else:
|
590 | 2c2690c9 | Iustin Pop | disk_count = 0
|
591 | 2c2690c9 | Iustin Pop | |
592 | 2c2690c9 | Iustin Pop | env["INSTANCE_DISK_COUNT"] = disk_count
|
593 | 2c2690c9 | Iustin Pop | |
594 | 67fc3042 | Iustin Pop | for source, kind in [(bep, "BE"), (hvp, "HV")]: |
595 | 67fc3042 | Iustin Pop | for key, value in source.items(): |
596 | 67fc3042 | Iustin Pop | env["INSTANCE_%s_%s" % (kind, key)] = value
|
597 | 67fc3042 | Iustin Pop | |
598 | 396e1b78 | Michael Hanselmann | return env
|
599 | 396e1b78 | Michael Hanselmann | |
600 | f9b10246 | Guido Trotter | def _NICListToTuple(lu, nics): |
601 | 62f0dd02 | Guido Trotter | """Build a list of nic information tuples.
|
602 | 62f0dd02 | Guido Trotter |
|
603 | f9b10246 | Guido Trotter | This list is suitable to be passed to _BuildInstanceHookEnv or as a return
|
604 | f9b10246 | Guido Trotter | value in LUQueryInstanceData.
|
605 | 62f0dd02 | Guido Trotter |
|
606 | 62f0dd02 | Guido Trotter | @type lu: L{LogicalUnit}
|
607 | 62f0dd02 | Guido Trotter | @param lu: the logical unit on whose behalf we execute
|
608 | 62f0dd02 | Guido Trotter | @type nics: list of L{objects.NIC}
|
609 | 62f0dd02 | Guido Trotter | @param nics: list of nics to convert to hooks tuples
|
610 | 62f0dd02 | Guido Trotter |
|
611 | 62f0dd02 | Guido Trotter | """
|
612 | 62f0dd02 | Guido Trotter | hooks_nics = [] |
613 | 62f0dd02 | Guido Trotter | c_nicparams = lu.cfg.GetClusterInfo().nicparams[constants.PP_DEFAULT] |
614 | 62f0dd02 | Guido Trotter | for nic in nics: |
615 | 62f0dd02 | Guido Trotter | ip = nic.ip |
616 | 62f0dd02 | Guido Trotter | mac = nic.mac |
617 | 62f0dd02 | Guido Trotter | filled_params = objects.FillDict(c_nicparams, nic.nicparams) |
618 | 62f0dd02 | Guido Trotter | mode = filled_params[constants.NIC_MODE] |
619 | 62f0dd02 | Guido Trotter | link = filled_params[constants.NIC_LINK] |
620 | 62f0dd02 | Guido Trotter | hooks_nics.append((ip, mac, mode, link)) |
621 | 62f0dd02 | Guido Trotter | return hooks_nics
|
622 | 396e1b78 | Michael Hanselmann | |
623 | 338e51e8 | Iustin Pop | def _BuildInstanceHookEnvByObject(lu, instance, override=None): |
624 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
|
625 | ecb215b5 | Michael Hanselmann |
|
626 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
627 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
628 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
629 | e4376078 | Iustin Pop | @param instance: the instance for which we should build the
|
630 | e4376078 | Iustin Pop | environment
|
631 | e4376078 | Iustin Pop | @type override: dict
|
632 | e4376078 | Iustin Pop | @param override: dictionary with key/values that will override
|
633 | e4376078 | Iustin Pop | our values
|
634 | e4376078 | Iustin Pop | @rtype: dict
|
635 | e4376078 | Iustin Pop | @return: the hook environment dictionary
|
636 | e4376078 | Iustin Pop |
|
637 | ecb215b5 | Michael Hanselmann | """
|
638 | 67fc3042 | Iustin Pop | cluster = lu.cfg.GetClusterInfo() |
639 | 67fc3042 | Iustin Pop | bep = cluster.FillBE(instance) |
640 | 67fc3042 | Iustin Pop | hvp = cluster.FillHV(instance) |
641 | 396e1b78 | Michael Hanselmann | args = { |
642 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
|
643 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
|
644 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
|
645 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
|
646 | 0d68c45d | Iustin Pop | 'status': instance.admin_up,
|
647 | 338e51e8 | Iustin Pop | 'memory': bep[constants.BE_MEMORY],
|
648 | 338e51e8 | Iustin Pop | 'vcpus': bep[constants.BE_VCPUS],
|
649 | f9b10246 | Guido Trotter | 'nics': _NICListToTuple(lu, instance.nics),
|
650 | 2c2690c9 | Iustin Pop | 'disk_template': instance.disk_template,
|
651 | 2c2690c9 | Iustin Pop | 'disks': [(disk.size, disk.mode) for disk in instance.disks], |
652 | 67fc3042 | Iustin Pop | 'bep': bep,
|
653 | 67fc3042 | Iustin Pop | 'hvp': hvp,
|
654 | b0c63e2b | Iustin Pop | 'hypervisor_name': instance.hypervisor,
|
655 | 396e1b78 | Michael Hanselmann | } |
656 | 396e1b78 | Michael Hanselmann | if override:
|
657 | 396e1b78 | Michael Hanselmann | args.update(override) |
658 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
|
659 | 396e1b78 | Michael Hanselmann | |
660 | 396e1b78 | Michael Hanselmann | |
661 | ec0292f1 | Iustin Pop | def _AdjustCandidatePool(lu): |
662 | ec0292f1 | Iustin Pop | """Adjust the candidate pool after node operations.
|
663 | ec0292f1 | Iustin Pop |
|
664 | ec0292f1 | Iustin Pop | """
|
665 | ec0292f1 | Iustin Pop | mod_list = lu.cfg.MaintainCandidatePool() |
666 | ec0292f1 | Iustin Pop | if mod_list:
|
667 | ec0292f1 | Iustin Pop | lu.LogInfo("Promoted nodes to master candidate role: %s",
|
668 | ee513a66 | Iustin Pop | ", ".join(node.name for node in mod_list)) |
669 | ec0292f1 | Iustin Pop | for name in mod_list: |
670 | ec0292f1 | Iustin Pop | lu.context.ReaddNode(name) |
671 | ec0292f1 | Iustin Pop | mc_now, mc_max = lu.cfg.GetMasterCandidateStats() |
672 | ec0292f1 | Iustin Pop | if mc_now > mc_max:
|
673 | ec0292f1 | Iustin Pop | lu.LogInfo("Note: more nodes are candidates (%d) than desired (%d)" %
|
674 | ec0292f1 | Iustin Pop | (mc_now, mc_max)) |
675 | ec0292f1 | Iustin Pop | |
676 | ec0292f1 | Iustin Pop | |
677 | b165e77e | Guido Trotter | def _CheckNicsBridgesExist(lu, target_nics, target_node, |
678 | b165e77e | Guido Trotter | profile=constants.PP_DEFAULT): |
679 | b165e77e | Guido Trotter | """Check that the brigdes needed by a list of nics exist.
|
680 | b165e77e | Guido Trotter |
|
681 | b165e77e | Guido Trotter | """
|
682 | b165e77e | Guido Trotter | c_nicparams = lu.cfg.GetClusterInfo().nicparams[profile] |
683 | b165e77e | Guido Trotter | paramslist = [objects.FillDict(c_nicparams, nic.nicparams) |
684 | b165e77e | Guido Trotter | for nic in target_nics] |
685 | b165e77e | Guido Trotter | brlist = [params[constants.NIC_LINK] for params in paramslist |
686 | b165e77e | Guido Trotter | if params[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED]
|
687 | b165e77e | Guido Trotter | if brlist:
|
688 | b165e77e | Guido Trotter | result = lu.rpc.call_bridges_exist(target_node, brlist) |
689 | 4c4e4e1e | Iustin Pop | result.Raise("Error checking bridges on destination node '%s'" %
|
690 | 4c4e4e1e | Iustin Pop | target_node, prereq=True)
|
691 | b165e77e | Guido Trotter | |
692 | b165e77e | Guido Trotter | |
693 | b165e77e | Guido Trotter | def _CheckInstanceBridgesExist(lu, instance, node=None): |
694 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
695 | bf6929a2 | Alexander Schreiber |
|
696 | bf6929a2 | Alexander Schreiber | """
|
697 | b165e77e | Guido Trotter | if node is None: |
698 | 29921401 | Iustin Pop | node = instance.primary_node |
699 | b165e77e | Guido Trotter | _CheckNicsBridgesExist(lu, instance.nics, node) |
700 | bf6929a2 | Alexander Schreiber | |
701 | bf6929a2 | Alexander Schreiber | |
702 | 692738fc | Michael Hanselmann | def _GetNodeSecondaryInstances(cfg, node_name): |
703 | 692738fc | Michael Hanselmann | """Returns secondary instances on a node.
|
704 | 692738fc | Michael Hanselmann |
|
705 | 692738fc | Michael Hanselmann | """
|
706 | 692738fc | Michael Hanselmann | instances = [] |
707 | 692738fc | Michael Hanselmann | |
708 | 692738fc | Michael Hanselmann | for (_, inst) in cfg.GetAllInstancesInfo().iteritems(): |
709 | 692738fc | Michael Hanselmann | if node_name in inst.secondary_nodes: |
710 | 692738fc | Michael Hanselmann | instances.append(inst) |
711 | 692738fc | Michael Hanselmann | |
712 | 692738fc | Michael Hanselmann | return instances
|
713 | 692738fc | Michael Hanselmann | |
714 | 692738fc | Michael Hanselmann | |
715 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
716 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
717 | a8083063 | Iustin Pop |
|
718 | a8083063 | Iustin Pop | """
|
719 | a8083063 | Iustin Pop | _OP_REQP = [] |
720 | a8083063 | Iustin Pop | |
721 | a8083063 | Iustin Pop | def CheckPrereq(self): |
722 | a8083063 | Iustin Pop | """Check prerequisites.
|
723 | a8083063 | Iustin Pop |
|
724 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
725 | a8083063 | Iustin Pop |
|
726 | 5bbd3f7f | Michael Hanselmann | Any errors are signaled by raising errors.OpPrereqError.
|
727 | a8083063 | Iustin Pop |
|
728 | a8083063 | Iustin Pop | """
|
729 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
730 | a8083063 | Iustin Pop | |
731 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
732 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
733 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
734 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
735 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
736 | db915bd1 | Michael Hanselmann | if instancelist:
|
737 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
738 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
739 | a8083063 | Iustin Pop | |
740 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
741 | a8083063 | Iustin Pop | """Destroys the cluster.
|
742 | a8083063 | Iustin Pop |
|
743 | a8083063 | Iustin Pop | """
|
744 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
745 | 781de953 | Iustin Pop | result = self.rpc.call_node_stop_master(master, False) |
746 | 4c4e4e1e | Iustin Pop | result.Raise("Could not disable the master role")
|
747 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
748 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(priv_key) |
749 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(pub_key) |
750 | 140aa4a8 | Iustin Pop | return master
|
751 | a8083063 | Iustin Pop | |
752 | a8083063 | Iustin Pop | |
753 | d8fff41c | Guido Trotter | class LUVerifyCluster(LogicalUnit): |
754 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
755 | a8083063 | Iustin Pop |
|
756 | a8083063 | Iustin Pop | """
|
757 | d8fff41c | Guido Trotter | HPATH = "cluster-verify"
|
758 | d8fff41c | Guido Trotter | HTYPE = constants.HTYPE_CLUSTER |
759 | e54c4c5e | Guido Trotter | _OP_REQP = ["skip_checks"]
|
760 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
761 | d4b9d97f | Guido Trotter | |
762 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
763 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
764 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
765 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
766 | d4b9d97f | Guido Trotter | } |
767 | c772d142 | Michael Hanselmann | self.share_locks = dict.fromkeys(locking.LEVELS, 1) |
768 | a8083063 | Iustin Pop | |
769 | 25361b9a | Iustin Pop | def _VerifyNode(self, nodeinfo, file_list, local_cksum, |
770 | 6d2e83d5 | Iustin Pop | node_result, feedback_fn, master_files, |
771 | cc9e1230 | Guido Trotter | drbd_map, vg_name): |
772 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
773 | a8083063 | Iustin Pop |
|
774 | 112f18a5 | Iustin Pop | Test list:
|
775 | e4376078 | Iustin Pop |
|
776 | a8083063 | Iustin Pop | - compares ganeti version
|
777 | 5bbd3f7f | Michael Hanselmann | - checks vg existence and size > 20G
|
778 | a8083063 | Iustin Pop | - checks config file checksum
|
779 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
780 | a8083063 | Iustin Pop |
|
781 | 112f18a5 | Iustin Pop | @type nodeinfo: L{objects.Node}
|
782 | 112f18a5 | Iustin Pop | @param nodeinfo: the node to check
|
783 | e4376078 | Iustin Pop | @param file_list: required list of files
|
784 | e4376078 | Iustin Pop | @param local_cksum: dictionary of local files and their checksums
|
785 | e4376078 | Iustin Pop | @param node_result: the results from the node
|
786 | e4376078 | Iustin Pop | @param feedback_fn: function used to accumulate results
|
787 | 112f18a5 | Iustin Pop | @param master_files: list of files that only masters should have
|
788 | 6d2e83d5 | Iustin Pop | @param drbd_map: the useddrbd minors for this node, in
|
789 | 6d2e83d5 | Iustin Pop | form of minor: (instance, must_exist) which correspond to instances
|
790 | 6d2e83d5 | Iustin Pop | and their running status
|
791 | cc9e1230 | Guido Trotter | @param vg_name: Ganeti Volume Group (result of self.cfg.GetVGName())
|
792 | 098c0958 | Michael Hanselmann |
|
793 | a8083063 | Iustin Pop | """
|
794 | 112f18a5 | Iustin Pop | node = nodeinfo.name |
795 | 25361b9a | Iustin Pop | |
796 | 25361b9a | Iustin Pop | # main result, node_result should be a non-empty dict
|
797 | 25361b9a | Iustin Pop | if not node_result or not isinstance(node_result, dict): |
798 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: unable to verify node %s." % (node,))
|
799 | 25361b9a | Iustin Pop | return True |
800 | 25361b9a | Iustin Pop | |
801 | a8083063 | Iustin Pop | # compares ganeti version
|
802 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
803 | 25361b9a | Iustin Pop | remote_version = node_result.get('version', None) |
804 | e9ce0a64 | Iustin Pop | if not (remote_version and isinstance(remote_version, (list, tuple)) and |
805 | e9ce0a64 | Iustin Pop | len(remote_version) == 2): |
806 | c840ae6f | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
807 | a8083063 | Iustin Pop | return True |
808 | a8083063 | Iustin Pop | |
809 | e9ce0a64 | Iustin Pop | if local_version != remote_version[0]: |
810 | e9ce0a64 | Iustin Pop | feedback_fn(" - ERROR: incompatible protocol versions: master %s,"
|
811 | e9ce0a64 | Iustin Pop | " node %s %s" % (local_version, node, remote_version[0])) |
812 | a8083063 | Iustin Pop | return True |
813 | a8083063 | Iustin Pop | |
814 | e9ce0a64 | Iustin Pop | # node seems compatible, we can actually try to look into its results
|
815 | a8083063 | Iustin Pop | |
816 | a8083063 | Iustin Pop | bad = False
|
817 | e9ce0a64 | Iustin Pop | |
818 | e9ce0a64 | Iustin Pop | # full package version
|
819 | e9ce0a64 | Iustin Pop | if constants.RELEASE_VERSION != remote_version[1]: |
820 | e9ce0a64 | Iustin Pop | feedback_fn(" - WARNING: software version mismatch: master %s,"
|
821 | e9ce0a64 | Iustin Pop | " node %s %s" %
|
822 | e9ce0a64 | Iustin Pop | (constants.RELEASE_VERSION, node, remote_version[1]))
|
823 | e9ce0a64 | Iustin Pop | |
824 | e9ce0a64 | Iustin Pop | # checks vg existence and size > 20G
|
825 | cc9e1230 | Guido Trotter | if vg_name is not None: |
826 | cc9e1230 | Guido Trotter | vglist = node_result.get(constants.NV_VGLIST, None)
|
827 | cc9e1230 | Guido Trotter | if not vglist: |
828 | cc9e1230 | Guido Trotter | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
829 | cc9e1230 | Guido Trotter | (node,)) |
830 | a8083063 | Iustin Pop | bad = True
|
831 | cc9e1230 | Guido Trotter | else:
|
832 | cc9e1230 | Guido Trotter | vgstatus = utils.CheckVolumeGroupSize(vglist, vg_name, |
833 | cc9e1230 | Guido Trotter | constants.MIN_VG_SIZE) |
834 | cc9e1230 | Guido Trotter | if vgstatus:
|
835 | cc9e1230 | Guido Trotter | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
836 | cc9e1230 | Guido Trotter | bad = True
|
837 | a8083063 | Iustin Pop | |
838 | a8083063 | Iustin Pop | # checks config file checksum
|
839 | a8083063 | Iustin Pop | |
840 | 25361b9a | Iustin Pop | remote_cksum = node_result.get(constants.NV_FILELIST, None)
|
841 | 25361b9a | Iustin Pop | if not isinstance(remote_cksum, dict): |
842 | a8083063 | Iustin Pop | bad = True
|
843 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
844 | a8083063 | Iustin Pop | else:
|
845 | a8083063 | Iustin Pop | for file_name in file_list: |
846 | 112f18a5 | Iustin Pop | node_is_mc = nodeinfo.master_candidate |
847 | 112f18a5 | Iustin Pop | must_have_file = file_name not in master_files |
848 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
849 | 112f18a5 | Iustin Pop | if node_is_mc or must_have_file: |
850 | 112f18a5 | Iustin Pop | bad = True
|
851 | 112f18a5 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
852 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
853 | 112f18a5 | Iustin Pop | if node_is_mc or must_have_file: |
854 | 112f18a5 | Iustin Pop | bad = True
|
855 | 112f18a5 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
856 | 112f18a5 | Iustin Pop | else:
|
857 | 112f18a5 | Iustin Pop | # not candidate and this is not a must-have file
|
858 | 112f18a5 | Iustin Pop | bad = True
|
859 | e631cb25 | Iustin Pop | feedback_fn(" - ERROR: file '%s' should not exist on non master"
|
860 | e631cb25 | Iustin Pop | " candidates (and the file is outdated)" % file_name)
|
861 | 112f18a5 | Iustin Pop | else:
|
862 | 112f18a5 | Iustin Pop | # all good, except non-master/non-must have combination
|
863 | 112f18a5 | Iustin Pop | if not node_is_mc and not must_have_file: |
864 | 112f18a5 | Iustin Pop | feedback_fn(" - ERROR: file '%s' should not exist on non master"
|
865 | 112f18a5 | Iustin Pop | " candidates" % file_name)
|
866 | a8083063 | Iustin Pop | |
867 | 25361b9a | Iustin Pop | # checks ssh to any
|
868 | 25361b9a | Iustin Pop | |
869 | 25361b9a | Iustin Pop | if constants.NV_NODELIST not in node_result: |
870 | a8083063 | Iustin Pop | bad = True
|
871 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node ssh connectivity data")
|
872 | a8083063 | Iustin Pop | else:
|
873 | 25361b9a | Iustin Pop | if node_result[constants.NV_NODELIST]:
|
874 | a8083063 | Iustin Pop | bad = True
|
875 | 25361b9a | Iustin Pop | for node in node_result[constants.NV_NODELIST]: |
876 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: ssh communication with node '%s': %s" %
|
877 | 25361b9a | Iustin Pop | (node, node_result[constants.NV_NODELIST][node])) |
878 | 25361b9a | Iustin Pop | |
879 | 25361b9a | Iustin Pop | if constants.NV_NODENETTEST not in node_result: |
880 | 9d4bfc96 | Iustin Pop | bad = True
|
881 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node tcp connectivity data")
|
882 | 9d4bfc96 | Iustin Pop | else:
|
883 | 25361b9a | Iustin Pop | if node_result[constants.NV_NODENETTEST]:
|
884 | 9d4bfc96 | Iustin Pop | bad = True
|
885 | 25361b9a | Iustin Pop | nlist = utils.NiceSort(node_result[constants.NV_NODENETTEST].keys()) |
886 | 9d4bfc96 | Iustin Pop | for node in nlist: |
887 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: tcp communication with node '%s': %s" %
|
888 | 25361b9a | Iustin Pop | (node, node_result[constants.NV_NODENETTEST][node])) |
889 | 9d4bfc96 | Iustin Pop | |
890 | 25361b9a | Iustin Pop | hyp_result = node_result.get(constants.NV_HYPERVISOR, None)
|
891 | e69d05fd | Iustin Pop | if isinstance(hyp_result, dict): |
892 | e69d05fd | Iustin Pop | for hv_name, hv_result in hyp_result.iteritems(): |
893 | e69d05fd | Iustin Pop | if hv_result is not None: |
894 | e69d05fd | Iustin Pop | feedback_fn(" - ERROR: hypervisor %s verify failure: '%s'" %
|
895 | e69d05fd | Iustin Pop | (hv_name, hv_result)) |
896 | 6d2e83d5 | Iustin Pop | |
897 | 6d2e83d5 | Iustin Pop | # check used drbd list
|
898 | cc9e1230 | Guido Trotter | if vg_name is not None: |
899 | cc9e1230 | Guido Trotter | used_minors = node_result.get(constants.NV_DRBDLIST, []) |
900 | cc9e1230 | Guido Trotter | if not isinstance(used_minors, (tuple, list)): |
901 | cc9e1230 | Guido Trotter | feedback_fn(" - ERROR: cannot parse drbd status file: %s" %
|
902 | cc9e1230 | Guido Trotter | str(used_minors))
|
903 | cc9e1230 | Guido Trotter | else:
|
904 | cc9e1230 | Guido Trotter | for minor, (iname, must_exist) in drbd_map.items(): |
905 | cc9e1230 | Guido Trotter | if minor not in used_minors and must_exist: |
906 | 35e994e9 | Iustin Pop | feedback_fn(" - ERROR: drbd minor %d of instance %s is"
|
907 | 35e994e9 | Iustin Pop | " not active" % (minor, iname))
|
908 | cc9e1230 | Guido Trotter | bad = True
|
909 | cc9e1230 | Guido Trotter | for minor in used_minors: |
910 | cc9e1230 | Guido Trotter | if minor not in drbd_map: |
911 | 35e994e9 | Iustin Pop | feedback_fn(" - ERROR: unallocated drbd minor %d is in use" %
|
912 | 35e994e9 | Iustin Pop | minor) |
913 | cc9e1230 | Guido Trotter | bad = True
|
914 | 6d2e83d5 | Iustin Pop | |
915 | a8083063 | Iustin Pop | return bad
|
916 | a8083063 | Iustin Pop | |
917 | c5705f58 | Guido Trotter | def _VerifyInstance(self, instance, instanceconfig, node_vol_is, |
918 | 0a66c968 | Iustin Pop | node_instance, feedback_fn, n_offline): |
919 | a8083063 | Iustin Pop | """Verify an instance.
|
920 | a8083063 | Iustin Pop |
|
921 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
922 | a8083063 | Iustin Pop | available on the instance's node.
|
923 | a8083063 | Iustin Pop |
|
924 | a8083063 | Iustin Pop | """
|
925 | a8083063 | Iustin Pop | bad = False
|
926 | a8083063 | Iustin Pop | |
927 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
928 | a8083063 | Iustin Pop | |
929 | a8083063 | Iustin Pop | node_vol_should = {} |
930 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
931 | a8083063 | Iustin Pop | |
932 | a8083063 | Iustin Pop | for node in node_vol_should: |
933 | 0a66c968 | Iustin Pop | if node in n_offline: |
934 | 0a66c968 | Iustin Pop | # ignore missing volumes on offline nodes
|
935 | 0a66c968 | Iustin Pop | continue
|
936 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
937 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
938 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
939 | a8083063 | Iustin Pop | (volume, node)) |
940 | a8083063 | Iustin Pop | bad = True
|
941 | a8083063 | Iustin Pop | |
942 | 0d68c45d | Iustin Pop | if instanceconfig.admin_up:
|
943 | 0a66c968 | Iustin Pop | if ((node_current not in node_instance or |
944 | 0a66c968 | Iustin Pop | not instance in node_instance[node_current]) and |
945 | 0a66c968 | Iustin Pop | node_current not in n_offline): |
946 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
947 | a8083063 | Iustin Pop | (instance, node_current)) |
948 | a8083063 | Iustin Pop | bad = True
|
949 | a8083063 | Iustin Pop | |
950 | a8083063 | Iustin Pop | for node in node_instance: |
951 | a8083063 | Iustin Pop | if (not node == node_current): |
952 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
953 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
954 | a8083063 | Iustin Pop | (instance, node)) |
955 | a8083063 | Iustin Pop | bad = True
|
956 | a8083063 | Iustin Pop | |
957 | 6a438c98 | Michael Hanselmann | return bad
|
958 | a8083063 | Iustin Pop | |
959 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
960 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
961 | a8083063 | Iustin Pop |
|
962 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
963 | a8083063 | Iustin Pop | reported as unknown.
|
964 | a8083063 | Iustin Pop |
|
965 | a8083063 | Iustin Pop | """
|
966 | a8083063 | Iustin Pop | bad = False
|
967 | a8083063 | Iustin Pop | |
968 | a8083063 | Iustin Pop | for node in node_vol_is: |
969 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
970 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
971 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
972 | a8083063 | Iustin Pop | (volume, node)) |
973 | a8083063 | Iustin Pop | bad = True
|
974 | a8083063 | Iustin Pop | return bad
|
975 | a8083063 | Iustin Pop | |
976 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
977 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
978 | a8083063 | Iustin Pop |
|
979 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
980 | a8083063 | Iustin Pop |
|
981 | a8083063 | Iustin Pop | """
|
982 | a8083063 | Iustin Pop | bad = False
|
983 | a8083063 | Iustin Pop | for node in node_instance: |
984 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
985 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
986 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
987 | a8083063 | Iustin Pop | (runninginstance, node)) |
988 | a8083063 | Iustin Pop | bad = True
|
989 | a8083063 | Iustin Pop | return bad
|
990 | a8083063 | Iustin Pop | |
991 | 2b3b6ddd | Guido Trotter | def _VerifyNPlusOneMemory(self, node_info, instance_cfg, feedback_fn): |
992 | 2b3b6ddd | Guido Trotter | """Verify N+1 Memory Resilience.
|
993 | 2b3b6ddd | Guido Trotter |
|
994 | 2b3b6ddd | Guido Trotter | Check that if one single node dies we can still start all the instances it
|
995 | 2b3b6ddd | Guido Trotter | was primary for.
|
996 | 2b3b6ddd | Guido Trotter |
|
997 | 2b3b6ddd | Guido Trotter | """
|
998 | 2b3b6ddd | Guido Trotter | bad = False
|
999 | 2b3b6ddd | Guido Trotter | |
1000 | 2b3b6ddd | Guido Trotter | for node, nodeinfo in node_info.iteritems(): |
1001 | 2b3b6ddd | Guido Trotter | # This code checks that every node which is now listed as secondary has
|
1002 | 2b3b6ddd | Guido Trotter | # enough memory to host all instances it is supposed to should a single
|
1003 | 2b3b6ddd | Guido Trotter | # other node in the cluster fail.
|
1004 | 2b3b6ddd | Guido Trotter | # FIXME: not ready for failover to an arbitrary node
|
1005 | 2b3b6ddd | Guido Trotter | # FIXME: does not support file-backed instances
|
1006 | 2b3b6ddd | Guido Trotter | # WARNING: we currently take into account down instances as well as up
|
1007 | 2b3b6ddd | Guido Trotter | # ones, considering that even if they're down someone might want to start
|
1008 | 2b3b6ddd | Guido Trotter | # them even in the event of a node failure.
|
1009 | 2b3b6ddd | Guido Trotter | for prinode, instances in nodeinfo['sinst-by-pnode'].iteritems(): |
1010 | 2b3b6ddd | Guido Trotter | needed_mem = 0
|
1011 | 2b3b6ddd | Guido Trotter | for instance in instances: |
1012 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance_cfg[instance])
|
1013 | c0f2b229 | Iustin Pop | if bep[constants.BE_AUTO_BALANCE]:
|
1014 | 3924700f | Iustin Pop | needed_mem += bep[constants.BE_MEMORY] |
1015 | 2b3b6ddd | Guido Trotter | if nodeinfo['mfree'] < needed_mem: |
1016 | 5bbd3f7f | Michael Hanselmann | feedback_fn(" - ERROR: not enough memory on node %s to accommodate"
|
1017 | 2b3b6ddd | Guido Trotter | " failovers should node %s fail" % (node, prinode))
|
1018 | 2b3b6ddd | Guido Trotter | bad = True
|
1019 | 2b3b6ddd | Guido Trotter | return bad
|
1020 | 2b3b6ddd | Guido Trotter | |
1021 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1022 | a8083063 | Iustin Pop | """Check prerequisites.
|
1023 | a8083063 | Iustin Pop |
|
1024 | e54c4c5e | Guido Trotter | Transform the list of checks we're going to skip into a set and check that
|
1025 | e54c4c5e | Guido Trotter | all its members are valid.
|
1026 | a8083063 | Iustin Pop |
|
1027 | a8083063 | Iustin Pop | """
|
1028 | e54c4c5e | Guido Trotter | self.skip_set = frozenset(self.op.skip_checks) |
1029 | e54c4c5e | Guido Trotter | if not constants.VERIFY_OPTIONAL_CHECKS.issuperset(self.skip_set): |
1030 | e54c4c5e | Guido Trotter | raise errors.OpPrereqError("Invalid checks to be skipped specified") |
1031 | a8083063 | Iustin Pop | |
1032 | d8fff41c | Guido Trotter | def BuildHooksEnv(self): |
1033 | d8fff41c | Guido Trotter | """Build hooks env.
|
1034 | d8fff41c | Guido Trotter |
|
1035 | 5bbd3f7f | Michael Hanselmann | Cluster-Verify hooks just ran in the post phase and their failure makes
|
1036 | d8fff41c | Guido Trotter | the output be logged in the verify output and the verification to fail.
|
1037 | d8fff41c | Guido Trotter |
|
1038 | d8fff41c | Guido Trotter | """
|
1039 | d8fff41c | Guido Trotter | all_nodes = self.cfg.GetNodeList()
|
1040 | 35e994e9 | Iustin Pop | env = { |
1041 | 35e994e9 | Iustin Pop | "CLUSTER_TAGS": " ".join(self.cfg.GetClusterInfo().GetTags()) |
1042 | 35e994e9 | Iustin Pop | } |
1043 | 35e994e9 | Iustin Pop | for node in self.cfg.GetAllNodesInfo().values(): |
1044 | 35e994e9 | Iustin Pop | env["NODE_TAGS_%s" % node.name] = " ".join(node.GetTags()) |
1045 | 35e994e9 | Iustin Pop | |
1046 | d8fff41c | Guido Trotter | return env, [], all_nodes
|
1047 | d8fff41c | Guido Trotter | |
1048 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1049 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
1050 | a8083063 | Iustin Pop |
|
1051 | a8083063 | Iustin Pop | """
|
1052 | a8083063 | Iustin Pop | bad = False
|
1053 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
1054 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
1055 | 8522ceeb | Iustin Pop | feedback_fn(" - ERROR: %s" % msg)
|
1056 | a8083063 | Iustin Pop | |
1057 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
1058 | e69d05fd | Iustin Pop | hypervisors = self.cfg.GetClusterInfo().enabled_hypervisors
|
1059 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
1060 | 9d4bfc96 | Iustin Pop | nodeinfo = [self.cfg.GetNodeInfo(nname) for nname in nodelist] |
1061 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
1062 | 6d2e83d5 | Iustin Pop | instanceinfo = dict((iname, self.cfg.GetInstanceInfo(iname)) |
1063 | 6d2e83d5 | Iustin Pop | for iname in instancelist) |
1064 | 93e4c50b | Guido Trotter | i_non_redundant = [] # Non redundant instances
|
1065 | 3924700f | Iustin Pop | i_non_a_balanced = [] # Non auto-balanced instances
|
1066 | 0a66c968 | Iustin Pop | n_offline = [] # List of offline nodes
|
1067 | 22f0f71d | Iustin Pop | n_drained = [] # List of nodes being drained
|
1068 | a8083063 | Iustin Pop | node_volume = {} |
1069 | a8083063 | Iustin Pop | node_instance = {} |
1070 | 9c9c7d30 | Guido Trotter | node_info = {} |
1071 | 26b6af5e | Guido Trotter | instance_cfg = {} |
1072 | a8083063 | Iustin Pop | |
1073 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
1074 | a8083063 | Iustin Pop | # do local checksums
|
1075 | 112f18a5 | Iustin Pop | master_files = [constants.CLUSTER_CONF_FILE] |
1076 | 112f18a5 | Iustin Pop | |
1077 | 112f18a5 | Iustin Pop | file_names = ssconf.SimpleStore().GetFileList() |
1078 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
1079 | 699777f2 | Michael Hanselmann | file_names.append(constants.RAPI_CERT_FILE) |
1080 | 112f18a5 | Iustin Pop | file_names.extend(master_files) |
1081 | 112f18a5 | Iustin Pop | |
1082 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
1083 | a8083063 | Iustin Pop | |
1084 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
1085 | a8083063 | Iustin Pop | node_verify_param = { |
1086 | 25361b9a | Iustin Pop | constants.NV_FILELIST: file_names, |
1087 | 82e37788 | Iustin Pop | constants.NV_NODELIST: [node.name for node in nodeinfo |
1088 | 82e37788 | Iustin Pop | if not node.offline], |
1089 | 25361b9a | Iustin Pop | constants.NV_HYPERVISOR: hypervisors, |
1090 | 25361b9a | Iustin Pop | constants.NV_NODENETTEST: [(node.name, node.primary_ip, |
1091 | 82e37788 | Iustin Pop | node.secondary_ip) for node in nodeinfo |
1092 | 82e37788 | Iustin Pop | if not node.offline], |
1093 | 25361b9a | Iustin Pop | constants.NV_INSTANCELIST: hypervisors, |
1094 | 25361b9a | Iustin Pop | constants.NV_VERSION: None,
|
1095 | 25361b9a | Iustin Pop | constants.NV_HVINFO: self.cfg.GetHypervisorType(),
|
1096 | a8083063 | Iustin Pop | } |
1097 | cc9e1230 | Guido Trotter | if vg_name is not None: |
1098 | cc9e1230 | Guido Trotter | node_verify_param[constants.NV_VGLIST] = None
|
1099 | cc9e1230 | Guido Trotter | node_verify_param[constants.NV_LVLIST] = vg_name |
1100 | cc9e1230 | Guido Trotter | node_verify_param[constants.NV_DRBDLIST] = None
|
1101 | 72737a7f | Iustin Pop | all_nvinfo = self.rpc.call_node_verify(nodelist, node_verify_param,
|
1102 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
1103 | a8083063 | Iustin Pop | |
1104 | 3924700f | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
1105 | 112f18a5 | Iustin Pop | master_node = self.cfg.GetMasterNode()
|
1106 | 6d2e83d5 | Iustin Pop | all_drbd_map = self.cfg.ComputeDRBDMap()
|
1107 | 6d2e83d5 | Iustin Pop | |
1108 | 112f18a5 | Iustin Pop | for node_i in nodeinfo: |
1109 | 112f18a5 | Iustin Pop | node = node_i.name |
1110 | 25361b9a | Iustin Pop | |
1111 | 0a66c968 | Iustin Pop | if node_i.offline:
|
1112 | 0a66c968 | Iustin Pop | feedback_fn("* Skipping offline node %s" % (node,))
|
1113 | 0a66c968 | Iustin Pop | n_offline.append(node) |
1114 | 0a66c968 | Iustin Pop | continue
|
1115 | 0a66c968 | Iustin Pop | |
1116 | 112f18a5 | Iustin Pop | if node == master_node:
|
1117 | 25361b9a | Iustin Pop | ntype = "master"
|
1118 | 112f18a5 | Iustin Pop | elif node_i.master_candidate:
|
1119 | 25361b9a | Iustin Pop | ntype = "master candidate"
|
1120 | 22f0f71d | Iustin Pop | elif node_i.drained:
|
1121 | 22f0f71d | Iustin Pop | ntype = "drained"
|
1122 | 22f0f71d | Iustin Pop | n_drained.append(node) |
1123 | 112f18a5 | Iustin Pop | else:
|
1124 | 25361b9a | Iustin Pop | ntype = "regular"
|
1125 | 112f18a5 | Iustin Pop | feedback_fn("* Verifying node %s (%s)" % (node, ntype))
|
1126 | 25361b9a | Iustin Pop | |
1127 | 4c4e4e1e | Iustin Pop | msg = all_nvinfo[node].fail_msg |
1128 | 6f68a739 | Iustin Pop | if msg:
|
1129 | 6f68a739 | Iustin Pop | feedback_fn(" - ERROR: while contacting node %s: %s" % (node, msg))
|
1130 | 25361b9a | Iustin Pop | bad = True
|
1131 | 25361b9a | Iustin Pop | continue
|
1132 | 25361b9a | Iustin Pop | |
1133 | 6f68a739 | Iustin Pop | nresult = all_nvinfo[node].payload |
1134 | 6d2e83d5 | Iustin Pop | node_drbd = {} |
1135 | 6d2e83d5 | Iustin Pop | for minor, instance in all_drbd_map[node].items(): |
1136 | c614e5fb | Iustin Pop | if instance not in instanceinfo: |
1137 | c614e5fb | Iustin Pop | feedback_fn(" - ERROR: ghost instance '%s' in temporary DRBD map" %
|
1138 | c614e5fb | Iustin Pop | instance) |
1139 | c614e5fb | Iustin Pop | # ghost instance should not be running, but otherwise we
|
1140 | c614e5fb | Iustin Pop | # don't give double warnings (both ghost instance and
|
1141 | c614e5fb | Iustin Pop | # unallocated minor in use)
|
1142 | c614e5fb | Iustin Pop | node_drbd[minor] = (instance, False)
|
1143 | c614e5fb | Iustin Pop | else:
|
1144 | c614e5fb | Iustin Pop | instance = instanceinfo[instance] |
1145 | c614e5fb | Iustin Pop | node_drbd[minor] = (instance.name, instance.admin_up) |
1146 | 112f18a5 | Iustin Pop | result = self._VerifyNode(node_i, file_names, local_checksums,
|
1147 | 6d2e83d5 | Iustin Pop | nresult, feedback_fn, master_files, |
1148 | cc9e1230 | Guido Trotter | node_drbd, vg_name) |
1149 | a8083063 | Iustin Pop | bad = bad or result
|
1150 | a8083063 | Iustin Pop | |
1151 | 25361b9a | Iustin Pop | lvdata = nresult.get(constants.NV_LVLIST, "Missing LV data")
|
1152 | cc9e1230 | Guido Trotter | if vg_name is None: |
1153 | cc9e1230 | Guido Trotter | node_volume[node] = {} |
1154 | cc9e1230 | Guido Trotter | elif isinstance(lvdata, basestring): |
1155 | b63ed789 | Iustin Pop | feedback_fn(" - ERROR: LVM problem on node %s: %s" %
|
1156 | 26f15862 | Iustin Pop | (node, utils.SafeEncode(lvdata))) |
1157 | b63ed789 | Iustin Pop | bad = True
|
1158 | b63ed789 | Iustin Pop | node_volume[node] = {} |
1159 | 25361b9a | Iustin Pop | elif not isinstance(lvdata, dict): |
1160 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed (lvlist)" % (node,))
|
1161 | a8083063 | Iustin Pop | bad = True
|
1162 | a8083063 | Iustin Pop | continue
|
1163 | b63ed789 | Iustin Pop | else:
|
1164 | 25361b9a | Iustin Pop | node_volume[node] = lvdata |
1165 | a8083063 | Iustin Pop | |
1166 | a8083063 | Iustin Pop | # node_instance
|
1167 | 25361b9a | Iustin Pop | idata = nresult.get(constants.NV_INSTANCELIST, None)
|
1168 | 25361b9a | Iustin Pop | if not isinstance(idata, list): |
1169 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed (instancelist)" %
|
1170 | 25361b9a | Iustin Pop | (node,)) |
1171 | a8083063 | Iustin Pop | bad = True
|
1172 | a8083063 | Iustin Pop | continue
|
1173 | a8083063 | Iustin Pop | |
1174 | 25361b9a | Iustin Pop | node_instance[node] = idata |
1175 | a8083063 | Iustin Pop | |
1176 | 9c9c7d30 | Guido Trotter | # node_info
|
1177 | 25361b9a | Iustin Pop | nodeinfo = nresult.get(constants.NV_HVINFO, None)
|
1178 | 9c9c7d30 | Guido Trotter | if not isinstance(nodeinfo, dict): |
1179 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed (hvinfo)" % (node,))
|
1180 | 9c9c7d30 | Guido Trotter | bad = True
|
1181 | 9c9c7d30 | Guido Trotter | continue
|
1182 | 9c9c7d30 | Guido Trotter | |
1183 | 9c9c7d30 | Guido Trotter | try:
|
1184 | 9c9c7d30 | Guido Trotter | node_info[node] = { |
1185 | 9c9c7d30 | Guido Trotter | "mfree": int(nodeinfo['memory_free']), |
1186 | 93e4c50b | Guido Trotter | "pinst": [],
|
1187 | 93e4c50b | Guido Trotter | "sinst": [],
|
1188 | 36e7da50 | Guido Trotter | # dictionary holding all instances this node is secondary for,
|
1189 | 36e7da50 | Guido Trotter | # grouped by their primary node. Each key is a cluster node, and each
|
1190 | 36e7da50 | Guido Trotter | # value is a list of instances which have the key as primary and the
|
1191 | 36e7da50 | Guido Trotter | # current node as secondary. this is handy to calculate N+1 memory
|
1192 | 36e7da50 | Guido Trotter | # availability if you can only failover from a primary to its
|
1193 | 36e7da50 | Guido Trotter | # secondary.
|
1194 | 36e7da50 | Guido Trotter | "sinst-by-pnode": {},
|
1195 | 9c9c7d30 | Guido Trotter | } |
1196 | cc9e1230 | Guido Trotter | # FIXME: devise a free space model for file based instances as well
|
1197 | cc9e1230 | Guido Trotter | if vg_name is not None: |
1198 | 9a198532 | Iustin Pop | if (constants.NV_VGLIST not in nresult or |
1199 | 9a198532 | Iustin Pop | vg_name not in nresult[constants.NV_VGLIST]): |
1200 | 9a198532 | Iustin Pop | feedback_fn(" - ERROR: node %s didn't return data for the"
|
1201 | 9a198532 | Iustin Pop | " volume group '%s' - it is either missing or broken" %
|
1202 | 9a198532 | Iustin Pop | (node, vg_name)) |
1203 | 9a198532 | Iustin Pop | bad = True
|
1204 | 9a198532 | Iustin Pop | continue
|
1205 | cc9e1230 | Guido Trotter | node_info[node]["dfree"] = int(nresult[constants.NV_VGLIST][vg_name]) |
1206 | 9a198532 | Iustin Pop | except (ValueError, KeyError): |
1207 | 9a198532 | Iustin Pop | feedback_fn(" - ERROR: invalid nodeinfo value returned"
|
1208 | 9a198532 | Iustin Pop | " from node %s" % (node,))
|
1209 | 9c9c7d30 | Guido Trotter | bad = True
|
1210 | 9c9c7d30 | Guido Trotter | continue
|
1211 | 9c9c7d30 | Guido Trotter | |
1212 | a8083063 | Iustin Pop | node_vol_should = {} |
1213 | a8083063 | Iustin Pop | |
1214 | a8083063 | Iustin Pop | for instance in instancelist: |
1215 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
1216 | 6d2e83d5 | Iustin Pop | inst_config = instanceinfo[instance] |
1217 | c5705f58 | Guido Trotter | result = self._VerifyInstance(instance, inst_config, node_volume,
|
1218 | 0a66c968 | Iustin Pop | node_instance, feedback_fn, n_offline) |
1219 | c5705f58 | Guido Trotter | bad = bad or result
|
1220 | 832261fd | Iustin Pop | inst_nodes_offline = [] |
1221 | a8083063 | Iustin Pop | |
1222 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
1223 | a8083063 | Iustin Pop | |
1224 | 26b6af5e | Guido Trotter | instance_cfg[instance] = inst_config |
1225 | 26b6af5e | Guido Trotter | |
1226 | 93e4c50b | Guido Trotter | pnode = inst_config.primary_node |
1227 | 93e4c50b | Guido Trotter | if pnode in node_info: |
1228 | 93e4c50b | Guido Trotter | node_info[pnode]['pinst'].append(instance)
|
1229 | 0a66c968 | Iustin Pop | elif pnode not in n_offline: |
1230 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to primary node"
|
1231 | 93e4c50b | Guido Trotter | " %s failed" % (instance, pnode))
|
1232 | 93e4c50b | Guido Trotter | bad = True
|
1233 | 93e4c50b | Guido Trotter | |
1234 | 832261fd | Iustin Pop | if pnode in n_offline: |
1235 | 832261fd | Iustin Pop | inst_nodes_offline.append(pnode) |
1236 | 832261fd | Iustin Pop | |
1237 | 93e4c50b | Guido Trotter | # If the instance is non-redundant we cannot survive losing its primary
|
1238 | 93e4c50b | Guido Trotter | # node, so we are not N+1 compliant. On the other hand we have no disk
|
1239 | 93e4c50b | Guido Trotter | # templates with more than one secondary so that situation is not well
|
1240 | 93e4c50b | Guido Trotter | # supported either.
|
1241 | 93e4c50b | Guido Trotter | # FIXME: does not support file-backed instances
|
1242 | 93e4c50b | Guido Trotter | if len(inst_config.secondary_nodes) == 0: |
1243 | 93e4c50b | Guido Trotter | i_non_redundant.append(instance) |
1244 | 93e4c50b | Guido Trotter | elif len(inst_config.secondary_nodes) > 1: |
1245 | 93e4c50b | Guido Trotter | feedback_fn(" - WARNING: multiple secondaries for instance %s"
|
1246 | 93e4c50b | Guido Trotter | % instance) |
1247 | 93e4c50b | Guido Trotter | |
1248 | c0f2b229 | Iustin Pop | if not cluster.FillBE(inst_config)[constants.BE_AUTO_BALANCE]: |
1249 | 3924700f | Iustin Pop | i_non_a_balanced.append(instance) |
1250 | 3924700f | Iustin Pop | |
1251 | 93e4c50b | Guido Trotter | for snode in inst_config.secondary_nodes: |
1252 | 93e4c50b | Guido Trotter | if snode in node_info: |
1253 | 93e4c50b | Guido Trotter | node_info[snode]['sinst'].append(instance)
|
1254 | 36e7da50 | Guido Trotter | if pnode not in node_info[snode]['sinst-by-pnode']: |
1255 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode] = []
|
1256 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode].append(instance)
|
1257 | 0a66c968 | Iustin Pop | elif snode not in n_offline: |
1258 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to secondary node"
|
1259 | 93e4c50b | Guido Trotter | " %s failed" % (instance, snode))
|
1260 | 832261fd | Iustin Pop | bad = True
|
1261 | 832261fd | Iustin Pop | if snode in n_offline: |
1262 | 832261fd | Iustin Pop | inst_nodes_offline.append(snode) |
1263 | 832261fd | Iustin Pop | |
1264 | 832261fd | Iustin Pop | if inst_nodes_offline:
|
1265 | 832261fd | Iustin Pop | # warn that the instance lives on offline nodes, and set bad=True
|
1266 | 832261fd | Iustin Pop | feedback_fn(" - ERROR: instance lives on offline node(s) %s" %
|
1267 | 832261fd | Iustin Pop | ", ".join(inst_nodes_offline))
|
1268 | 832261fd | Iustin Pop | bad = True
|
1269 | 93e4c50b | Guido Trotter | |
1270 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
1271 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
1272 | a8083063 | Iustin Pop | feedback_fn) |
1273 | a8083063 | Iustin Pop | bad = bad or result
|
1274 | a8083063 | Iustin Pop | |
1275 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
1276 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
1277 | a8083063 | Iustin Pop | feedback_fn) |
1278 | a8083063 | Iustin Pop | bad = bad or result
|
1279 | a8083063 | Iustin Pop | |
1280 | e54c4c5e | Guido Trotter | if constants.VERIFY_NPLUSONE_MEM not in self.skip_set: |
1281 | e54c4c5e | Guido Trotter | feedback_fn("* Verifying N+1 Memory redundancy")
|
1282 | e54c4c5e | Guido Trotter | result = self._VerifyNPlusOneMemory(node_info, instance_cfg, feedback_fn)
|
1283 | e54c4c5e | Guido Trotter | bad = bad or result
|
1284 | 2b3b6ddd | Guido Trotter | |
1285 | 2b3b6ddd | Guido Trotter | feedback_fn("* Other Notes")
|
1286 | 2b3b6ddd | Guido Trotter | if i_non_redundant:
|
1287 | 2b3b6ddd | Guido Trotter | feedback_fn(" - NOTICE: %d non-redundant instance(s) found."
|
1288 | 2b3b6ddd | Guido Trotter | % len(i_non_redundant))
|
1289 | 2b3b6ddd | Guido Trotter | |
1290 | 3924700f | Iustin Pop | if i_non_a_balanced:
|
1291 | 3924700f | Iustin Pop | feedback_fn(" - NOTICE: %d non-auto-balanced instance(s) found."
|
1292 | 3924700f | Iustin Pop | % len(i_non_a_balanced))
|
1293 | 3924700f | Iustin Pop | |
1294 | 0a66c968 | Iustin Pop | if n_offline:
|
1295 | 0a66c968 | Iustin Pop | feedback_fn(" - NOTICE: %d offline node(s) found." % len(n_offline)) |
1296 | 0a66c968 | Iustin Pop | |
1297 | 22f0f71d | Iustin Pop | if n_drained:
|
1298 | 22f0f71d | Iustin Pop | feedback_fn(" - NOTICE: %d drained node(s) found." % len(n_drained)) |
1299 | 22f0f71d | Iustin Pop | |
1300 | 34290825 | Michael Hanselmann | return not bad |
1301 | a8083063 | Iustin Pop | |
1302 | d8fff41c | Guido Trotter | def HooksCallBack(self, phase, hooks_results, feedback_fn, lu_result): |
1303 | 5bbd3f7f | Michael Hanselmann | """Analyze the post-hooks' result
|
1304 | e4376078 | Iustin Pop |
|
1305 | e4376078 | Iustin Pop | This method analyses the hook result, handles it, and sends some
|
1306 | d8fff41c | Guido Trotter | nicely-formatted feedback back to the user.
|
1307 | d8fff41c | Guido Trotter |
|
1308 | e4376078 | Iustin Pop | @param phase: one of L{constants.HOOKS_PHASE_POST} or
|
1309 | e4376078 | Iustin Pop | L{constants.HOOKS_PHASE_PRE}; it denotes the hooks phase
|
1310 | e4376078 | Iustin Pop | @param hooks_results: the results of the multi-node hooks rpc call
|
1311 | e4376078 | Iustin Pop | @param feedback_fn: function used send feedback back to the caller
|
1312 | e4376078 | Iustin Pop | @param lu_result: previous Exec result
|
1313 | e4376078 | Iustin Pop | @return: the new Exec result, based on the previous result
|
1314 | e4376078 | Iustin Pop | and hook results
|
1315 | d8fff41c | Guido Trotter |
|
1316 | d8fff41c | Guido Trotter | """
|
1317 | 38206f3c | Iustin Pop | # We only really run POST phase hooks, and are only interested in
|
1318 | 38206f3c | Iustin Pop | # their results
|
1319 | d8fff41c | Guido Trotter | if phase == constants.HOOKS_PHASE_POST:
|
1320 | d8fff41c | Guido Trotter | # Used to change hooks' output to proper indentation
|
1321 | d8fff41c | Guido Trotter | indent_re = re.compile('^', re.M)
|
1322 | d8fff41c | Guido Trotter | feedback_fn("* Hooks Results")
|
1323 | d8fff41c | Guido Trotter | if not hooks_results: |
1324 | d8fff41c | Guido Trotter | feedback_fn(" - ERROR: general communication failure")
|
1325 | d8fff41c | Guido Trotter | lu_result = 1
|
1326 | d8fff41c | Guido Trotter | else:
|
1327 | d8fff41c | Guido Trotter | for node_name in hooks_results: |
1328 | d8fff41c | Guido Trotter | show_node_header = True
|
1329 | d8fff41c | Guido Trotter | res = hooks_results[node_name] |
1330 | 4c4e4e1e | Iustin Pop | msg = res.fail_msg |
1331 | 3fb4f740 | Iustin Pop | if msg:
|
1332 | 0a66c968 | Iustin Pop | if res.offline:
|
1333 | 0a66c968 | Iustin Pop | # no need to warn or set fail return value
|
1334 | 0a66c968 | Iustin Pop | continue
|
1335 | 3fb4f740 | Iustin Pop | feedback_fn(" Communication failure in hooks execution: %s" %
|
1336 | 3fb4f740 | Iustin Pop | msg) |
1337 | d8fff41c | Guido Trotter | lu_result = 1
|
1338 | d8fff41c | Guido Trotter | continue
|
1339 | 3fb4f740 | Iustin Pop | for script, hkr, output in res.payload: |
1340 | d8fff41c | Guido Trotter | if hkr == constants.HKR_FAIL:
|
1341 | d8fff41c | Guido Trotter | # The node header is only shown once, if there are
|
1342 | d8fff41c | Guido Trotter | # failing hooks on that node
|
1343 | d8fff41c | Guido Trotter | if show_node_header:
|
1344 | d8fff41c | Guido Trotter | feedback_fn(" Node %s:" % node_name)
|
1345 | d8fff41c | Guido Trotter | show_node_header = False
|
1346 | d8fff41c | Guido Trotter | feedback_fn(" ERROR: Script %s failed, output:" % script)
|
1347 | d8fff41c | Guido Trotter | output = indent_re.sub(' ', output)
|
1348 | d8fff41c | Guido Trotter | feedback_fn("%s" % output)
|
1349 | d8fff41c | Guido Trotter | lu_result = 1
|
1350 | d8fff41c | Guido Trotter | |
1351 | d8fff41c | Guido Trotter | return lu_result
|
1352 | d8fff41c | Guido Trotter | |
1353 | a8083063 | Iustin Pop | |
1354 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
1355 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
1356 | 2c95a8d4 | Iustin Pop |
|
1357 | 2c95a8d4 | Iustin Pop | """
|
1358 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
1359 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
1360 | d4b9d97f | Guido Trotter | |
1361 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
1362 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
1363 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1364 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
1365 | d4b9d97f | Guido Trotter | } |
1366 | c772d142 | Michael Hanselmann | self.share_locks = dict.fromkeys(locking.LEVELS, 1) |
1367 | 2c95a8d4 | Iustin Pop | |
1368 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
1369 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
1370 | 2c95a8d4 | Iustin Pop |
|
1371 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
1372 | 2c95a8d4 | Iustin Pop |
|
1373 | 2c95a8d4 | Iustin Pop | """
|
1374 | 2c95a8d4 | Iustin Pop | pass
|
1375 | 2c95a8d4 | Iustin Pop | |
1376 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
1377 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
1378 | 2c95a8d4 | Iustin Pop |
|
1379 | 29d376ec | Iustin Pop | @rtype: tuple of three items
|
1380 | 29d376ec | Iustin Pop | @return: a tuple of (dict of node-to-node_error, list of instances
|
1381 | 29d376ec | Iustin Pop | which need activate-disks, dict of instance: (node, volume) for
|
1382 | 29d376ec | Iustin Pop | missing volumes
|
1383 | 29d376ec | Iustin Pop |
|
1384 | 2c95a8d4 | Iustin Pop | """
|
1385 | 29d376ec | Iustin Pop | result = res_nodes, res_instances, res_missing = {}, [], {} |
1386 | 2c95a8d4 | Iustin Pop | |
1387 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
1388 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
1389 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
1390 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
1391 | 2c95a8d4 | Iustin Pop | |
1392 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
1393 | 2c95a8d4 | Iustin Pop | for inst in instances: |
1394 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
1395 | 0d68c45d | Iustin Pop | if (not inst.admin_up or |
1396 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
1397 | 2c95a8d4 | Iustin Pop | continue
|
1398 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
1399 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
1400 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
1401 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
1402 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
1403 | 2c95a8d4 | Iustin Pop | |
1404 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
1405 | 2c95a8d4 | Iustin Pop | return result
|
1406 | 2c95a8d4 | Iustin Pop | |
1407 | b2a6ccd4 | Iustin Pop | node_lvs = self.rpc.call_lv_list(nodes, vg_name)
|
1408 | 2c95a8d4 | Iustin Pop | |
1409 | 2c95a8d4 | Iustin Pop | for node in nodes: |
1410 | 2c95a8d4 | Iustin Pop | # node_volume
|
1411 | 29d376ec | Iustin Pop | node_res = node_lvs[node] |
1412 | 29d376ec | Iustin Pop | if node_res.offline:
|
1413 | ea9ddc07 | Iustin Pop | continue
|
1414 | 4c4e4e1e | Iustin Pop | msg = node_res.fail_msg |
1415 | 29d376ec | Iustin Pop | if msg:
|
1416 | 29d376ec | Iustin Pop | logging.warning("Error enumerating LVs on node %s: %s", node, msg)
|
1417 | 29d376ec | Iustin Pop | res_nodes[node] = msg |
1418 | 2c95a8d4 | Iustin Pop | continue
|
1419 | 2c95a8d4 | Iustin Pop | |
1420 | 29d376ec | Iustin Pop | lvs = node_res.payload |
1421 | 29d376ec | Iustin Pop | for lv_name, (_, lv_inactive, lv_online) in lvs.items(): |
1422 | b63ed789 | Iustin Pop | inst = nv_dict.pop((node, lv_name), None)
|
1423 | b63ed789 | Iustin Pop | if (not lv_online and inst is not None |
1424 | b63ed789 | Iustin Pop | and inst.name not in res_instances): |
1425 | b08d5a87 | Iustin Pop | res_instances.append(inst.name) |
1426 | 2c95a8d4 | Iustin Pop | |
1427 | b63ed789 | Iustin Pop | # any leftover items in nv_dict are missing LVs, let's arrange the
|
1428 | b63ed789 | Iustin Pop | # data better
|
1429 | b63ed789 | Iustin Pop | for key, inst in nv_dict.iteritems(): |
1430 | b63ed789 | Iustin Pop | if inst.name not in res_missing: |
1431 | b63ed789 | Iustin Pop | res_missing[inst.name] = [] |
1432 | b63ed789 | Iustin Pop | res_missing[inst.name].append(key) |
1433 | b63ed789 | Iustin Pop | |
1434 | 2c95a8d4 | Iustin Pop | return result
|
1435 | 2c95a8d4 | Iustin Pop | |
1436 | 2c95a8d4 | Iustin Pop | |
1437 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
1438 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1439 | 07bd8a51 | Iustin Pop |
|
1440 | 07bd8a51 | Iustin Pop | """
|
1441 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
1442 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
1443 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
1444 | 07bd8a51 | Iustin Pop | |
1445 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
1446 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
1447 | 07bd8a51 | Iustin Pop |
|
1448 | 07bd8a51 | Iustin Pop | """
|
1449 | 07bd8a51 | Iustin Pop | env = { |
1450 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1451 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
1452 | 07bd8a51 | Iustin Pop | } |
1453 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1454 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
1455 | 07bd8a51 | Iustin Pop | |
1456 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
1457 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
1458 | 07bd8a51 | Iustin Pop |
|
1459 | 07bd8a51 | Iustin Pop | """
|
1460 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
1461 | 07bd8a51 | Iustin Pop | |
1462 | bcf043c9 | Iustin Pop | new_name = hostname.name |
1463 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
1464 | d6a02168 | Michael Hanselmann | old_name = self.cfg.GetClusterName()
|
1465 | d6a02168 | Michael Hanselmann | old_ip = self.cfg.GetMasterIP()
|
1466 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
1467 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
1468 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
1469 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
1470 | 937f983d | Guido Trotter | if utils.TcpPing(new_ip, constants.DEFAULT_NODED_PORT):
|
1471 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
1472 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
1473 | 07bd8a51 | Iustin Pop | new_ip) |
1474 | 07bd8a51 | Iustin Pop | |
1475 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
1476 | 07bd8a51 | Iustin Pop | |
1477 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
1478 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1479 | 07bd8a51 | Iustin Pop |
|
1480 | 07bd8a51 | Iustin Pop | """
|
1481 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
1482 | 07bd8a51 | Iustin Pop | ip = self.ip
|
1483 | 07bd8a51 | Iustin Pop | |
1484 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
1485 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
1486 | 781de953 | Iustin Pop | result = self.rpc.call_node_stop_master(master, False) |
1487 | 4c4e4e1e | Iustin Pop | result.Raise("Could not disable the master role")
|
1488 | 07bd8a51 | Iustin Pop | |
1489 | 07bd8a51 | Iustin Pop | try:
|
1490 | 55cf7d83 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
1491 | 55cf7d83 | Iustin Pop | cluster.cluster_name = clustername |
1492 | 55cf7d83 | Iustin Pop | cluster.master_ip = ip |
1493 | 55cf7d83 | Iustin Pop | self.cfg.Update(cluster)
|
1494 | ec85e3d5 | Iustin Pop | |
1495 | ec85e3d5 | Iustin Pop | # update the known hosts file
|
1496 | ec85e3d5 | Iustin Pop | ssh.WriteKnownHostsFile(self.cfg, constants.SSH_KNOWN_HOSTS_FILE)
|
1497 | ec85e3d5 | Iustin Pop | node_list = self.cfg.GetNodeList()
|
1498 | ec85e3d5 | Iustin Pop | try:
|
1499 | ec85e3d5 | Iustin Pop | node_list.remove(master) |
1500 | ec85e3d5 | Iustin Pop | except ValueError: |
1501 | ec85e3d5 | Iustin Pop | pass
|
1502 | ec85e3d5 | Iustin Pop | result = self.rpc.call_upload_file(node_list,
|
1503 | ec85e3d5 | Iustin Pop | constants.SSH_KNOWN_HOSTS_FILE) |
1504 | ec85e3d5 | Iustin Pop | for to_node, to_result in result.iteritems(): |
1505 | 6f7d4e75 | Iustin Pop | msg = to_result.fail_msg |
1506 | 6f7d4e75 | Iustin Pop | if msg:
|
1507 | 6f7d4e75 | Iustin Pop | msg = ("Copy of file %s to node %s failed: %s" %
|
1508 | 6f7d4e75 | Iustin Pop | (constants.SSH_KNOWN_HOSTS_FILE, to_node, msg)) |
1509 | 6f7d4e75 | Iustin Pop | self.proc.LogWarning(msg)
|
1510 | ec85e3d5 | Iustin Pop | |
1511 | 07bd8a51 | Iustin Pop | finally:
|
1512 | 3583908a | Guido Trotter | result = self.rpc.call_node_start_master(master, False, False) |
1513 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
1514 | b726aff0 | Iustin Pop | if msg:
|
1515 | 86d9d3bb | Iustin Pop | self.LogWarning("Could not re-enable the master role on" |
1516 | b726aff0 | Iustin Pop | " the master, please restart manually: %s", msg)
|
1517 | 07bd8a51 | Iustin Pop | |
1518 | 07bd8a51 | Iustin Pop | |
1519 | 8084f9f6 | Manuel Franceschini | def _RecursiveCheckIfLVMBased(disk): |
1520 | 8084f9f6 | Manuel Franceschini | """Check if the given disk or its children are lvm-based.
|
1521 | 8084f9f6 | Manuel Franceschini |
|
1522 | e4376078 | Iustin Pop | @type disk: L{objects.Disk}
|
1523 | e4376078 | Iustin Pop | @param disk: the disk to check
|
1524 | 5bbd3f7f | Michael Hanselmann | @rtype: boolean
|
1525 | e4376078 | Iustin Pop | @return: boolean indicating whether a LD_LV dev_type was found or not
|
1526 | 8084f9f6 | Manuel Franceschini |
|
1527 | 8084f9f6 | Manuel Franceschini | """
|
1528 | 8084f9f6 | Manuel Franceschini | if disk.children:
|
1529 | 8084f9f6 | Manuel Franceschini | for chdisk in disk.children: |
1530 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(chdisk):
|
1531 | 8084f9f6 | Manuel Franceschini | return True |
1532 | 8084f9f6 | Manuel Franceschini | return disk.dev_type == constants.LD_LV
|
1533 | 8084f9f6 | Manuel Franceschini | |
1534 | 8084f9f6 | Manuel Franceschini | |
1535 | 8084f9f6 | Manuel Franceschini | class LUSetClusterParams(LogicalUnit): |
1536 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1537 | 8084f9f6 | Manuel Franceschini |
|
1538 | 8084f9f6 | Manuel Franceschini | """
|
1539 | 8084f9f6 | Manuel Franceschini | HPATH = "cluster-modify"
|
1540 | 8084f9f6 | Manuel Franceschini | HTYPE = constants.HTYPE_CLUSTER |
1541 | 8084f9f6 | Manuel Franceschini | _OP_REQP = [] |
1542 | c53279cf | Guido Trotter | REQ_BGL = False
|
1543 | c53279cf | Guido Trotter | |
1544 | 3994f455 | Iustin Pop | def CheckArguments(self): |
1545 | 4b7735f9 | Iustin Pop | """Check parameters
|
1546 | 4b7735f9 | Iustin Pop |
|
1547 | 4b7735f9 | Iustin Pop | """
|
1548 | 4b7735f9 | Iustin Pop | if not hasattr(self.op, "candidate_pool_size"): |
1549 | 4b7735f9 | Iustin Pop | self.op.candidate_pool_size = None |
1550 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size is not None: |
1551 | 4b7735f9 | Iustin Pop | try:
|
1552 | 4b7735f9 | Iustin Pop | self.op.candidate_pool_size = int(self.op.candidate_pool_size) |
1553 | 3994f455 | Iustin Pop | except (ValueError, TypeError), err: |
1554 | 4b7735f9 | Iustin Pop | raise errors.OpPrereqError("Invalid candidate_pool_size value: %s" % |
1555 | 4b7735f9 | Iustin Pop | str(err))
|
1556 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size < 1: |
1557 | 4b7735f9 | Iustin Pop | raise errors.OpPrereqError("At least one master candidate needed") |
1558 | 4b7735f9 | Iustin Pop | |
1559 | c53279cf | Guido Trotter | def ExpandNames(self): |
1560 | c53279cf | Guido Trotter | # FIXME: in the future maybe other cluster params won't require checking on
|
1561 | c53279cf | Guido Trotter | # all nodes to be modified.
|
1562 | c53279cf | Guido Trotter | self.needed_locks = {
|
1563 | c53279cf | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1564 | c53279cf | Guido Trotter | } |
1565 | c53279cf | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1566 | 8084f9f6 | Manuel Franceschini | |
1567 | 8084f9f6 | Manuel Franceschini | def BuildHooksEnv(self): |
1568 | 8084f9f6 | Manuel Franceschini | """Build hooks env.
|
1569 | 8084f9f6 | Manuel Franceschini |
|
1570 | 8084f9f6 | Manuel Franceschini | """
|
1571 | 8084f9f6 | Manuel Franceschini | env = { |
1572 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1573 | 8084f9f6 | Manuel Franceschini | "NEW_VG_NAME": self.op.vg_name, |
1574 | 8084f9f6 | Manuel Franceschini | } |
1575 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1576 | 8084f9f6 | Manuel Franceschini | return env, [mn], [mn]
|
1577 | 8084f9f6 | Manuel Franceschini | |
1578 | 8084f9f6 | Manuel Franceschini | def CheckPrereq(self): |
1579 | 8084f9f6 | Manuel Franceschini | """Check prerequisites.
|
1580 | 8084f9f6 | Manuel Franceschini |
|
1581 | 8084f9f6 | Manuel Franceschini | This checks whether the given params don't conflict and
|
1582 | 5f83e263 | Iustin Pop | if the given volume group is valid.
|
1583 | 8084f9f6 | Manuel Franceschini |
|
1584 | 8084f9f6 | Manuel Franceschini | """
|
1585 | 779c15bb | Iustin Pop | if self.op.vg_name is not None and not self.op.vg_name: |
1586 | c53279cf | Guido Trotter | instances = self.cfg.GetAllInstancesInfo().values()
|
1587 | 8084f9f6 | Manuel Franceschini | for inst in instances: |
1588 | 8084f9f6 | Manuel Franceschini | for disk in inst.disks: |
1589 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(disk):
|
1590 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Cannot disable lvm storage while" |
1591 | 8084f9f6 | Manuel Franceschini | " lvm-based instances exist")
|
1592 | 8084f9f6 | Manuel Franceschini | |
1593 | 779c15bb | Iustin Pop | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1594 | 779c15bb | Iustin Pop | |
1595 | 8084f9f6 | Manuel Franceschini | # if vg_name not None, checks given volume group on all nodes
|
1596 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name: |
1597 | 72737a7f | Iustin Pop | vglist = self.rpc.call_vg_list(node_list)
|
1598 | 8084f9f6 | Manuel Franceschini | for node in node_list: |
1599 | 4c4e4e1e | Iustin Pop | msg = vglist[node].fail_msg |
1600 | e480923b | Iustin Pop | if msg:
|
1601 | 781de953 | Iustin Pop | # ignoring down node
|
1602 | e480923b | Iustin Pop | self.LogWarning("Error while gathering data on node %s" |
1603 | e480923b | Iustin Pop | " (ignoring node): %s", node, msg)
|
1604 | 781de953 | Iustin Pop | continue
|
1605 | e480923b | Iustin Pop | vgstatus = utils.CheckVolumeGroupSize(vglist[node].payload, |
1606 | 781de953 | Iustin Pop | self.op.vg_name,
|
1607 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
1608 | 8084f9f6 | Manuel Franceschini | if vgstatus:
|
1609 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Error on node '%s': %s" % |
1610 | 8084f9f6 | Manuel Franceschini | (node, vgstatus)) |
1611 | 8084f9f6 | Manuel Franceschini | |
1612 | 779c15bb | Iustin Pop | self.cluster = cluster = self.cfg.GetClusterInfo() |
1613 | 5af3da74 | Guido Trotter | # validate params changes
|
1614 | 779c15bb | Iustin Pop | if self.op.beparams: |
1615 | a5728081 | Guido Trotter | utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
|
1616 | abe609b2 | Guido Trotter | self.new_beparams = objects.FillDict(
|
1617 | 4ef7f423 | Guido Trotter | cluster.beparams[constants.PP_DEFAULT], self.op.beparams)
|
1618 | 779c15bb | Iustin Pop | |
1619 | 5af3da74 | Guido Trotter | if self.op.nicparams: |
1620 | 5af3da74 | Guido Trotter | utils.ForceDictType(self.op.nicparams, constants.NICS_PARAMETER_TYPES)
|
1621 | 5af3da74 | Guido Trotter | self.new_nicparams = objects.FillDict(
|
1622 | 5af3da74 | Guido Trotter | cluster.nicparams[constants.PP_DEFAULT], self.op.nicparams)
|
1623 | 5af3da74 | Guido Trotter | objects.NIC.CheckParameterSyntax(self.new_nicparams)
|
1624 | 5af3da74 | Guido Trotter | |
1625 | 779c15bb | Iustin Pop | # hypervisor list/parameters
|
1626 | abe609b2 | Guido Trotter | self.new_hvparams = objects.FillDict(cluster.hvparams, {})
|
1627 | 779c15bb | Iustin Pop | if self.op.hvparams: |
1628 | 779c15bb | Iustin Pop | if not isinstance(self.op.hvparams, dict): |
1629 | 779c15bb | Iustin Pop | raise errors.OpPrereqError("Invalid 'hvparams' parameter on input") |
1630 | 779c15bb | Iustin Pop | for hv_name, hv_dict in self.op.hvparams.items(): |
1631 | 779c15bb | Iustin Pop | if hv_name not in self.new_hvparams: |
1632 | 779c15bb | Iustin Pop | self.new_hvparams[hv_name] = hv_dict
|
1633 | 779c15bb | Iustin Pop | else:
|
1634 | 779c15bb | Iustin Pop | self.new_hvparams[hv_name].update(hv_dict)
|
1635 | 779c15bb | Iustin Pop | |
1636 | 779c15bb | Iustin Pop | if self.op.enabled_hypervisors is not None: |
1637 | 779c15bb | Iustin Pop | self.hv_list = self.op.enabled_hypervisors |
1638 | b119bccb | Guido Trotter | if not self.hv_list: |
1639 | b119bccb | Guido Trotter | raise errors.OpPrereqError("Enabled hypervisors list must contain at" |
1640 | b119bccb | Guido Trotter | " least one member")
|
1641 | b119bccb | Guido Trotter | invalid_hvs = set(self.hv_list) - constants.HYPER_TYPES |
1642 | b119bccb | Guido Trotter | if invalid_hvs:
|
1643 | b119bccb | Guido Trotter | raise errors.OpPrereqError("Enabled hypervisors contains invalid" |
1644 | b119bccb | Guido Trotter | " entries: %s" % invalid_hvs)
|
1645 | 779c15bb | Iustin Pop | else:
|
1646 | 779c15bb | Iustin Pop | self.hv_list = cluster.enabled_hypervisors
|
1647 | 779c15bb | Iustin Pop | |
1648 | 779c15bb | Iustin Pop | if self.op.hvparams or self.op.enabled_hypervisors is not None: |
1649 | 779c15bb | Iustin Pop | # either the enabled list has changed, or the parameters have, validate
|
1650 | 779c15bb | Iustin Pop | for hv_name, hv_params in self.new_hvparams.items(): |
1651 | 779c15bb | Iustin Pop | if ((self.op.hvparams and hv_name in self.op.hvparams) or |
1652 | 779c15bb | Iustin Pop | (self.op.enabled_hypervisors and |
1653 | 779c15bb | Iustin Pop | hv_name in self.op.enabled_hypervisors)): |
1654 | 779c15bb | Iustin Pop | # either this is a new hypervisor, or its parameters have changed
|
1655 | 779c15bb | Iustin Pop | hv_class = hypervisor.GetHypervisor(hv_name) |
1656 | a5728081 | Guido Trotter | utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES) |
1657 | 779c15bb | Iustin Pop | hv_class.CheckParameterSyntax(hv_params) |
1658 | 779c15bb | Iustin Pop | _CheckHVParams(self, node_list, hv_name, hv_params)
|
1659 | 779c15bb | Iustin Pop | |
1660 | 8084f9f6 | Manuel Franceschini | def Exec(self, feedback_fn): |
1661 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1662 | 8084f9f6 | Manuel Franceschini |
|
1663 | 8084f9f6 | Manuel Franceschini | """
|
1664 | 779c15bb | Iustin Pop | if self.op.vg_name is not None: |
1665 | b2482333 | Guido Trotter | new_volume = self.op.vg_name
|
1666 | b2482333 | Guido Trotter | if not new_volume: |
1667 | b2482333 | Guido Trotter | new_volume = None
|
1668 | b2482333 | Guido Trotter | if new_volume != self.cfg.GetVGName(): |
1669 | b2482333 | Guido Trotter | self.cfg.SetVGName(new_volume)
|
1670 | 779c15bb | Iustin Pop | else:
|
1671 | 779c15bb | Iustin Pop | feedback_fn("Cluster LVM configuration already in desired"
|
1672 | 779c15bb | Iustin Pop | " state, not changing")
|
1673 | 779c15bb | Iustin Pop | if self.op.hvparams: |
1674 | 779c15bb | Iustin Pop | self.cluster.hvparams = self.new_hvparams |
1675 | 779c15bb | Iustin Pop | if self.op.enabled_hypervisors is not None: |
1676 | 779c15bb | Iustin Pop | self.cluster.enabled_hypervisors = self.op.enabled_hypervisors |
1677 | 779c15bb | Iustin Pop | if self.op.beparams: |
1678 | 4ef7f423 | Guido Trotter | self.cluster.beparams[constants.PP_DEFAULT] = self.new_beparams |
1679 | 5af3da74 | Guido Trotter | if self.op.nicparams: |
1680 | 5af3da74 | Guido Trotter | self.cluster.nicparams[constants.PP_DEFAULT] = self.new_nicparams |
1681 | 5af3da74 | Guido Trotter | |
1682 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size is not None: |
1683 | 4b7735f9 | Iustin Pop | self.cluster.candidate_pool_size = self.op.candidate_pool_size |
1684 | 75e914fb | Iustin Pop | # we need to update the pool size here, otherwise the save will fail
|
1685 | 75e914fb | Iustin Pop | _AdjustCandidatePool(self)
|
1686 | 4b7735f9 | Iustin Pop | |
1687 | 779c15bb | Iustin Pop | self.cfg.Update(self.cluster) |
1688 | 8084f9f6 | Manuel Franceschini | |
1689 | 8084f9f6 | Manuel Franceschini | |
1690 | 28eddce5 | Guido Trotter | def _RedistributeAncillaryFiles(lu, additional_nodes=None): |
1691 | 28eddce5 | Guido Trotter | """Distribute additional files which are part of the cluster configuration.
|
1692 | 28eddce5 | Guido Trotter |
|
1693 | 28eddce5 | Guido Trotter | ConfigWriter takes care of distributing the config and ssconf files, but
|
1694 | 28eddce5 | Guido Trotter | there are more files which should be distributed to all nodes. This function
|
1695 | 28eddce5 | Guido Trotter | makes sure those are copied.
|
1696 | 28eddce5 | Guido Trotter |
|
1697 | 28eddce5 | Guido Trotter | @param lu: calling logical unit
|
1698 | 28eddce5 | Guido Trotter | @param additional_nodes: list of nodes not in the config to distribute to
|
1699 | 28eddce5 | Guido Trotter |
|
1700 | 28eddce5 | Guido Trotter | """
|
1701 | 28eddce5 | Guido Trotter | # 1. Gather target nodes
|
1702 | 28eddce5 | Guido Trotter | myself = lu.cfg.GetNodeInfo(lu.cfg.GetMasterNode()) |
1703 | 28eddce5 | Guido Trotter | dist_nodes = lu.cfg.GetNodeList() |
1704 | 28eddce5 | Guido Trotter | if additional_nodes is not None: |
1705 | 28eddce5 | Guido Trotter | dist_nodes.extend(additional_nodes) |
1706 | 28eddce5 | Guido Trotter | if myself.name in dist_nodes: |
1707 | 28eddce5 | Guido Trotter | dist_nodes.remove(myself.name) |
1708 | 28eddce5 | Guido Trotter | # 2. Gather files to distribute
|
1709 | 28eddce5 | Guido Trotter | dist_files = set([constants.ETC_HOSTS,
|
1710 | 28eddce5 | Guido Trotter | constants.SSH_KNOWN_HOSTS_FILE, |
1711 | 28eddce5 | Guido Trotter | constants.RAPI_CERT_FILE, |
1712 | 28eddce5 | Guido Trotter | constants.RAPI_USERS_FILE, |
1713 | 4a34c5cf | Guido Trotter | constants.HMAC_CLUSTER_KEY, |
1714 | 28eddce5 | Guido Trotter | ]) |
1715 | e1b8653f | Guido Trotter | |
1716 | e1b8653f | Guido Trotter | enabled_hypervisors = lu.cfg.GetClusterInfo().enabled_hypervisors |
1717 | e1b8653f | Guido Trotter | for hv_name in enabled_hypervisors: |
1718 | e1b8653f | Guido Trotter | hv_class = hypervisor.GetHypervisor(hv_name) |
1719 | e1b8653f | Guido Trotter | dist_files.update(hv_class.GetAncillaryFiles()) |
1720 | e1b8653f | Guido Trotter | |
1721 | 28eddce5 | Guido Trotter | # 3. Perform the files upload
|
1722 | 28eddce5 | Guido Trotter | for fname in dist_files: |
1723 | 28eddce5 | Guido Trotter | if os.path.exists(fname):
|
1724 | 28eddce5 | Guido Trotter | result = lu.rpc.call_upload_file(dist_nodes, fname) |
1725 | 28eddce5 | Guido Trotter | for to_node, to_result in result.items(): |
1726 | 6f7d4e75 | Iustin Pop | msg = to_result.fail_msg |
1727 | 6f7d4e75 | Iustin Pop | if msg:
|
1728 | 6f7d4e75 | Iustin Pop | msg = ("Copy of file %s to node %s failed: %s" %
|
1729 | 6f7d4e75 | Iustin Pop | (fname, to_node, msg)) |
1730 | 6f7d4e75 | Iustin Pop | lu.proc.LogWarning(msg) |
1731 | 28eddce5 | Guido Trotter | |
1732 | 28eddce5 | Guido Trotter | |
1733 | afee0879 | Iustin Pop | class LURedistributeConfig(NoHooksLU): |
1734 | afee0879 | Iustin Pop | """Force the redistribution of cluster configuration.
|
1735 | afee0879 | Iustin Pop |
|
1736 | afee0879 | Iustin Pop | This is a very simple LU.
|
1737 | afee0879 | Iustin Pop |
|
1738 | afee0879 | Iustin Pop | """
|
1739 | afee0879 | Iustin Pop | _OP_REQP = [] |
1740 | afee0879 | Iustin Pop | REQ_BGL = False
|
1741 | afee0879 | Iustin Pop | |
1742 | afee0879 | Iustin Pop | def ExpandNames(self): |
1743 | afee0879 | Iustin Pop | self.needed_locks = {
|
1744 | afee0879 | Iustin Pop | locking.LEVEL_NODE: locking.ALL_SET, |
1745 | afee0879 | Iustin Pop | } |
1746 | afee0879 | Iustin Pop | self.share_locks[locking.LEVEL_NODE] = 1 |
1747 | afee0879 | Iustin Pop | |
1748 | afee0879 | Iustin Pop | def CheckPrereq(self): |
1749 | afee0879 | Iustin Pop | """Check prerequisites.
|
1750 | afee0879 | Iustin Pop |
|
1751 | afee0879 | Iustin Pop | """
|
1752 | afee0879 | Iustin Pop | |
1753 | afee0879 | Iustin Pop | def Exec(self, feedback_fn): |
1754 | afee0879 | Iustin Pop | """Redistribute the configuration.
|
1755 | afee0879 | Iustin Pop |
|
1756 | afee0879 | Iustin Pop | """
|
1757 | afee0879 | Iustin Pop | self.cfg.Update(self.cfg.GetClusterInfo()) |
1758 | 28eddce5 | Guido Trotter | _RedistributeAncillaryFiles(self)
|
1759 | afee0879 | Iustin Pop | |
1760 | afee0879 | Iustin Pop | |
1761 | b9bddb6b | Iustin Pop | def _WaitForSync(lu, instance, oneshot=False, unlock=False): |
1762 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1763 | a8083063 | Iustin Pop |
|
1764 | a8083063 | Iustin Pop | """
|
1765 | a8083063 | Iustin Pop | if not instance.disks: |
1766 | a8083063 | Iustin Pop | return True |
1767 | a8083063 | Iustin Pop | |
1768 | a8083063 | Iustin Pop | if not oneshot: |
1769 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
1770 | a8083063 | Iustin Pop | |
1771 | a8083063 | Iustin Pop | node = instance.primary_node |
1772 | a8083063 | Iustin Pop | |
1773 | a8083063 | Iustin Pop | for dev in instance.disks: |
1774 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
1775 | a8083063 | Iustin Pop | |
1776 | a8083063 | Iustin Pop | retries = 0
|
1777 | fbafd7a8 | Iustin Pop | degr_retries = 10 # in seconds, as we sleep 1 second each time |
1778 | a8083063 | Iustin Pop | while True: |
1779 | a8083063 | Iustin Pop | max_time = 0
|
1780 | a8083063 | Iustin Pop | done = True
|
1781 | a8083063 | Iustin Pop | cumul_degraded = False
|
1782 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1783 | 4c4e4e1e | Iustin Pop | msg = rstats.fail_msg |
1784 | 3efa9051 | Iustin Pop | if msg:
|
1785 | 3efa9051 | Iustin Pop | lu.LogWarning("Can't get any data from node %s: %s", node, msg)
|
1786 | a8083063 | Iustin Pop | retries += 1
|
1787 | a8083063 | Iustin Pop | if retries >= 10: |
1788 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1789 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1790 | a8083063 | Iustin Pop | time.sleep(6)
|
1791 | a8083063 | Iustin Pop | continue
|
1792 | 3efa9051 | Iustin Pop | rstats = rstats.payload |
1793 | a8083063 | Iustin Pop | retries = 0
|
1794 | 1492cca7 | Iustin Pop | for i, mstat in enumerate(rstats): |
1795 | a8083063 | Iustin Pop | if mstat is None: |
1796 | 86d9d3bb | Iustin Pop | lu.LogWarning("Can't compute data for node %s/%s",
|
1797 | 86d9d3bb | Iustin Pop | node, instance.disks[i].iv_name) |
1798 | a8083063 | Iustin Pop | continue
|
1799 | 0834c866 | Iustin Pop | # we ignore the ldisk parameter
|
1800 | 0834c866 | Iustin Pop | perc_done, est_time, is_degraded, _ = mstat |
1801 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1802 | a8083063 | Iustin Pop | if perc_done is not None: |
1803 | a8083063 | Iustin Pop | done = False
|
1804 | a8083063 | Iustin Pop | if est_time is not None: |
1805 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1806 | a8083063 | Iustin Pop | max_time = est_time |
1807 | a8083063 | Iustin Pop | else:
|
1808 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1809 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
1810 | b9bddb6b | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1811 | fbafd7a8 | Iustin Pop | |
1812 | fbafd7a8 | Iustin Pop | # if we're done but degraded, let's do a few small retries, to
|
1813 | fbafd7a8 | Iustin Pop | # make sure we see a stable and not transient situation; therefore
|
1814 | fbafd7a8 | Iustin Pop | # we force restart of the loop
|
1815 | fbafd7a8 | Iustin Pop | if (done or oneshot) and cumul_degraded and degr_retries > 0: |
1816 | fbafd7a8 | Iustin Pop | logging.info("Degraded disks found, %d retries left", degr_retries)
|
1817 | fbafd7a8 | Iustin Pop | degr_retries -= 1
|
1818 | fbafd7a8 | Iustin Pop | time.sleep(1)
|
1819 | fbafd7a8 | Iustin Pop | continue
|
1820 | fbafd7a8 | Iustin Pop | |
1821 | a8083063 | Iustin Pop | if done or oneshot: |
1822 | a8083063 | Iustin Pop | break
|
1823 | a8083063 | Iustin Pop | |
1824 | d4fa5c23 | Iustin Pop | time.sleep(min(60, max_time)) |
1825 | a8083063 | Iustin Pop | |
1826 | a8083063 | Iustin Pop | if done:
|
1827 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
1828 | a8083063 | Iustin Pop | return not cumul_degraded |
1829 | a8083063 | Iustin Pop | |
1830 | a8083063 | Iustin Pop | |
1831 | b9bddb6b | Iustin Pop | def _CheckDiskConsistency(lu, dev, node, on_primary, ldisk=False): |
1832 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1833 | a8083063 | Iustin Pop |
|
1834 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
1835 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
1836 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
1837 | 0834c866 | Iustin Pop |
|
1838 | a8083063 | Iustin Pop | """
|
1839 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
1840 | 0834c866 | Iustin Pop | if ldisk:
|
1841 | 0834c866 | Iustin Pop | idx = 6
|
1842 | 0834c866 | Iustin Pop | else:
|
1843 | 0834c866 | Iustin Pop | idx = 5
|
1844 | a8083063 | Iustin Pop | |
1845 | a8083063 | Iustin Pop | result = True
|
1846 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1847 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_find(node, dev) |
1848 | 4c4e4e1e | Iustin Pop | msg = rstats.fail_msg |
1849 | 23829f6f | Iustin Pop | if msg:
|
1850 | 23829f6f | Iustin Pop | lu.LogWarning("Can't find disk on node %s: %s", node, msg)
|
1851 | 23829f6f | Iustin Pop | result = False
|
1852 | 23829f6f | Iustin Pop | elif not rstats.payload: |
1853 | 23829f6f | Iustin Pop | lu.LogWarning("Can't find disk on node %s", node)
|
1854 | a8083063 | Iustin Pop | result = False
|
1855 | a8083063 | Iustin Pop | else:
|
1856 | 23829f6f | Iustin Pop | result = result and (not rstats.payload[idx]) |
1857 | a8083063 | Iustin Pop | if dev.children:
|
1858 | a8083063 | Iustin Pop | for child in dev.children: |
1859 | b9bddb6b | Iustin Pop | result = result and _CheckDiskConsistency(lu, child, node, on_primary)
|
1860 | a8083063 | Iustin Pop | |
1861 | a8083063 | Iustin Pop | return result
|
1862 | a8083063 | Iustin Pop | |
1863 | a8083063 | Iustin Pop | |
1864 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1865 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1866 | a8083063 | Iustin Pop |
|
1867 | a8083063 | Iustin Pop | """
|
1868 | 1f9430d6 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1869 | 6bf01bbb | Guido Trotter | REQ_BGL = False
|
1870 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet() |
1871 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("name", "valid", "node_status") |
1872 | a8083063 | Iustin Pop | |
1873 | 6bf01bbb | Guido Trotter | def ExpandNames(self): |
1874 | 1f9430d6 | Iustin Pop | if self.op.names: |
1875 | 1f9430d6 | Iustin Pop | raise errors.OpPrereqError("Selective OS query not supported") |
1876 | 1f9430d6 | Iustin Pop | |
1877 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1878 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
1879 | 1f9430d6 | Iustin Pop | selected=self.op.output_fields)
|
1880 | 1f9430d6 | Iustin Pop | |
1881 | 6bf01bbb | Guido Trotter | # Lock all nodes, in shared mode
|
1882 | a6ab004b | Iustin Pop | # Temporary removal of locks, should be reverted later
|
1883 | a6ab004b | Iustin Pop | # TODO: reintroduce locks when they are lighter-weight
|
1884 | 6bf01bbb | Guido Trotter | self.needed_locks = {}
|
1885 | a6ab004b | Iustin Pop | #self.share_locks[locking.LEVEL_NODE] = 1
|
1886 | a6ab004b | Iustin Pop | #self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
1887 | 6bf01bbb | Guido Trotter | |
1888 | 6bf01bbb | Guido Trotter | def CheckPrereq(self): |
1889 | 6bf01bbb | Guido Trotter | """Check prerequisites.
|
1890 | 6bf01bbb | Guido Trotter |
|
1891 | 6bf01bbb | Guido Trotter | """
|
1892 | 6bf01bbb | Guido Trotter | |
1893 | 1f9430d6 | Iustin Pop | @staticmethod
|
1894 | 1f9430d6 | Iustin Pop | def _DiagnoseByOS(node_list, rlist): |
1895 | 1f9430d6 | Iustin Pop | """Remaps a per-node return list into an a per-os per-node dictionary
|
1896 | 1f9430d6 | Iustin Pop |
|
1897 | e4376078 | Iustin Pop | @param node_list: a list with the names of all nodes
|
1898 | e4376078 | Iustin Pop | @param rlist: a map with node names as keys and OS objects as values
|
1899 | 1f9430d6 | Iustin Pop |
|
1900 | e4376078 | Iustin Pop | @rtype: dict
|
1901 | 5fcc718f | Iustin Pop | @return: a dictionary with osnames as keys and as value another map, with
|
1902 | 255dcebd | Iustin Pop | nodes as keys and tuples of (path, status, diagnose) as values, eg::
|
1903 | e4376078 | Iustin Pop |
|
1904 | 255dcebd | Iustin Pop | {"debian-etch": {"node1": [(/usr/lib/..., True, ""),
|
1905 | 255dcebd | Iustin Pop | (/srv/..., False, "invalid api")],
|
1906 | 255dcebd | Iustin Pop | "node2": [(/srv/..., True, "")]}
|
1907 | e4376078 | Iustin Pop | }
|
1908 | 1f9430d6 | Iustin Pop |
|
1909 | 1f9430d6 | Iustin Pop | """
|
1910 | 1f9430d6 | Iustin Pop | all_os = {} |
1911 | a6ab004b | Iustin Pop | # we build here the list of nodes that didn't fail the RPC (at RPC
|
1912 | a6ab004b | Iustin Pop | # level), so that nodes with a non-responding node daemon don't
|
1913 | a6ab004b | Iustin Pop | # make all OSes invalid
|
1914 | a6ab004b | Iustin Pop | good_nodes = [node_name for node_name in rlist |
1915 | 4c4e4e1e | Iustin Pop | if not rlist[node_name].fail_msg] |
1916 | 83d92ad8 | Iustin Pop | for node_name, nr in rlist.items(): |
1917 | 4c4e4e1e | Iustin Pop | if nr.fail_msg or not nr.payload: |
1918 | 1f9430d6 | Iustin Pop | continue
|
1919 | 255dcebd | Iustin Pop | for name, path, status, diagnose in nr.payload: |
1920 | 255dcebd | Iustin Pop | if name not in all_os: |
1921 | 1f9430d6 | Iustin Pop | # build a list of nodes for this os containing empty lists
|
1922 | 1f9430d6 | Iustin Pop | # for each node in node_list
|
1923 | 255dcebd | Iustin Pop | all_os[name] = {} |
1924 | a6ab004b | Iustin Pop | for nname in good_nodes: |
1925 | 255dcebd | Iustin Pop | all_os[name][nname] = [] |
1926 | 255dcebd | Iustin Pop | all_os[name][node_name].append((path, status, diagnose)) |
1927 | 1f9430d6 | Iustin Pop | return all_os
|
1928 | a8083063 | Iustin Pop | |
1929 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1930 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1931 | a8083063 | Iustin Pop |
|
1932 | a8083063 | Iustin Pop | """
|
1933 | a6ab004b | Iustin Pop | valid_nodes = [node for node in self.cfg.GetOnlineNodeList()] |
1934 | 94a02bb5 | Iustin Pop | node_data = self.rpc.call_os_diagnose(valid_nodes)
|
1935 | 94a02bb5 | Iustin Pop | pol = self._DiagnoseByOS(valid_nodes, node_data)
|
1936 | 1f9430d6 | Iustin Pop | output = [] |
1937 | 83d92ad8 | Iustin Pop | for os_name, os_data in pol.items(): |
1938 | 1f9430d6 | Iustin Pop | row = [] |
1939 | 1f9430d6 | Iustin Pop | for field in self.op.output_fields: |
1940 | 1f9430d6 | Iustin Pop | if field == "name": |
1941 | 1f9430d6 | Iustin Pop | val = os_name |
1942 | 1f9430d6 | Iustin Pop | elif field == "valid": |
1943 | 255dcebd | Iustin Pop | val = utils.all([osl and osl[0][1] for osl in os_data.values()]) |
1944 | 1f9430d6 | Iustin Pop | elif field == "node_status": |
1945 | 255dcebd | Iustin Pop | # this is just a copy of the dict
|
1946 | 1f9430d6 | Iustin Pop | val = {} |
1947 | 255dcebd | Iustin Pop | for node_name, nos_list in os_data.items(): |
1948 | 255dcebd | Iustin Pop | val[node_name] = nos_list |
1949 | 1f9430d6 | Iustin Pop | else:
|
1950 | 1f9430d6 | Iustin Pop | raise errors.ParameterError(field)
|
1951 | 1f9430d6 | Iustin Pop | row.append(val) |
1952 | 1f9430d6 | Iustin Pop | output.append(row) |
1953 | 1f9430d6 | Iustin Pop | |
1954 | 1f9430d6 | Iustin Pop | return output
|
1955 | a8083063 | Iustin Pop | |
1956 | a8083063 | Iustin Pop | |
1957 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1958 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1959 | a8083063 | Iustin Pop |
|
1960 | a8083063 | Iustin Pop | """
|
1961 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1962 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1963 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1964 | a8083063 | Iustin Pop | |
1965 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1966 | a8083063 | Iustin Pop | """Build hooks env.
|
1967 | a8083063 | Iustin Pop |
|
1968 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1969 | d08869ee | Guido Trotter | node would then be impossible to remove.
|
1970 | a8083063 | Iustin Pop |
|
1971 | a8083063 | Iustin Pop | """
|
1972 | 396e1b78 | Michael Hanselmann | env = { |
1973 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1974 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1975 | 396e1b78 | Michael Hanselmann | } |
1976 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1977 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1978 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1979 | a8083063 | Iustin Pop | |
1980 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1981 | a8083063 | Iustin Pop | """Check prerequisites.
|
1982 | a8083063 | Iustin Pop |
|
1983 | a8083063 | Iustin Pop | This checks:
|
1984 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1985 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1986 | a8083063 | Iustin Pop | - it's not the master
|
1987 | a8083063 | Iustin Pop |
|
1988 | 5bbd3f7f | Michael Hanselmann | Any errors are signaled by raising errors.OpPrereqError.
|
1989 | a8083063 | Iustin Pop |
|
1990 | a8083063 | Iustin Pop | """
|
1991 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1992 | a8083063 | Iustin Pop | if node is None: |
1993 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1994 | a8083063 | Iustin Pop | |
1995 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1996 | a8083063 | Iustin Pop | |
1997 | d6a02168 | Michael Hanselmann | masternode = self.cfg.GetMasterNode()
|
1998 | a8083063 | Iustin Pop | if node.name == masternode:
|
1999 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
2000 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
2001 | a8083063 | Iustin Pop | |
2002 | a8083063 | Iustin Pop | for instance_name in instance_list: |
2003 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
2004 | 6b12959c | Iustin Pop | if node.name in instance.all_nodes: |
2005 | 6b12959c | Iustin Pop | raise errors.OpPrereqError("Instance %s is still running on the node," |
2006 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
2007 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
2008 | a8083063 | Iustin Pop | self.node = node
|
2009 | a8083063 | Iustin Pop | |
2010 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2011 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
2012 | a8083063 | Iustin Pop |
|
2013 | a8083063 | Iustin Pop | """
|
2014 | a8083063 | Iustin Pop | node = self.node
|
2015 | 9a4f63d1 | Iustin Pop | logging.info("Stopping the node daemon and removing configs from node %s",
|
2016 | 9a4f63d1 | Iustin Pop | node.name) |
2017 | a8083063 | Iustin Pop | |
2018 | d8470559 | Michael Hanselmann | self.context.RemoveNode(node.name)
|
2019 | a8083063 | Iustin Pop | |
2020 | 0623d351 | Iustin Pop | result = self.rpc.call_node_leave_cluster(node.name)
|
2021 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
2022 | 0623d351 | Iustin Pop | if msg:
|
2023 | 0623d351 | Iustin Pop | self.LogWarning("Errors encountered on the remote node while leaving" |
2024 | 0623d351 | Iustin Pop | " the cluster: %s", msg)
|
2025 | c8a0948f | Michael Hanselmann | |
2026 | eb1742d5 | Guido Trotter | # Promote nodes to master candidate as needed
|
2027 | ec0292f1 | Iustin Pop | _AdjustCandidatePool(self)
|
2028 | eb1742d5 | Guido Trotter | |
2029 | a8083063 | Iustin Pop | |
2030 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
2031 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
2032 | a8083063 | Iustin Pop |
|
2033 | a8083063 | Iustin Pop | """
|
2034 | bc8e4a1a | Iustin Pop | _OP_REQP = ["output_fields", "names", "use_locking"] |
2035 | 35705d8f | Guido Trotter | REQ_BGL = False
|
2036 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet( |
2037 | 31bf511f | Iustin Pop | "dtotal", "dfree", |
2038 | 31bf511f | Iustin Pop | "mtotal", "mnode", "mfree", |
2039 | 31bf511f | Iustin Pop | "bootid",
|
2040 | 0105bad3 | Iustin Pop | "ctotal", "cnodes", "csockets", |
2041 | 31bf511f | Iustin Pop | ) |
2042 | 31bf511f | Iustin Pop | |
2043 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet( |
2044 | 31bf511f | Iustin Pop | "name", "pinst_cnt", "sinst_cnt", |
2045 | 31bf511f | Iustin Pop | "pinst_list", "sinst_list", |
2046 | 31bf511f | Iustin Pop | "pip", "sip", "tags", |
2047 | 31bf511f | Iustin Pop | "serial_no",
|
2048 | 0e67cdbe | Iustin Pop | "master_candidate",
|
2049 | 0e67cdbe | Iustin Pop | "master",
|
2050 | 9ddb5e45 | Iustin Pop | "offline",
|
2051 | 0b2454b9 | Iustin Pop | "drained",
|
2052 | c120ff34 | Iustin Pop | "role",
|
2053 | 31bf511f | Iustin Pop | ) |
2054 | a8083063 | Iustin Pop | |
2055 | 35705d8f | Guido Trotter | def ExpandNames(self): |
2056 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2057 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2058 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2059 | a8083063 | Iustin Pop | |
2060 | 35705d8f | Guido Trotter | self.needed_locks = {}
|
2061 | 35705d8f | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
2062 | c8d8b4c8 | Iustin Pop | |
2063 | c8d8b4c8 | Iustin Pop | if self.op.names: |
2064 | c8d8b4c8 | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
2065 | 35705d8f | Guido Trotter | else:
|
2066 | c8d8b4c8 | Iustin Pop | self.wanted = locking.ALL_SET
|
2067 | c8d8b4c8 | Iustin Pop | |
2068 | bc8e4a1a | Iustin Pop | self.do_node_query = self._FIELDS_STATIC.NonMatching(self.op.output_fields) |
2069 | bc8e4a1a | Iustin Pop | self.do_locking = self.do_node_query and self.op.use_locking |
2070 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
2071 | c8d8b4c8 | Iustin Pop | # if we don't request only static fields, we need to lock the nodes
|
2072 | c8d8b4c8 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = self.wanted |
2073 | c8d8b4c8 | Iustin Pop | |
2074 | 35705d8f | Guido Trotter | |
2075 | 35705d8f | Guido Trotter | def CheckPrereq(self): |
2076 | 35705d8f | Guido Trotter | """Check prerequisites.
|
2077 | 35705d8f | Guido Trotter |
|
2078 | 35705d8f | Guido Trotter | """
|
2079 | c8d8b4c8 | Iustin Pop | # The validation of the node list is done in the _GetWantedNodes,
|
2080 | c8d8b4c8 | Iustin Pop | # if non empty, and if empty, there's no validation to do
|
2081 | c8d8b4c8 | Iustin Pop | pass
|
2082 | a8083063 | Iustin Pop | |
2083 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2084 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2085 | a8083063 | Iustin Pop |
|
2086 | a8083063 | Iustin Pop | """
|
2087 | c8d8b4c8 | Iustin Pop | all_info = self.cfg.GetAllNodesInfo()
|
2088 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
2089 | c8d8b4c8 | Iustin Pop | nodenames = self.acquired_locks[locking.LEVEL_NODE]
|
2090 | 3fa93523 | Guido Trotter | elif self.wanted != locking.ALL_SET: |
2091 | 3fa93523 | Guido Trotter | nodenames = self.wanted
|
2092 | 3fa93523 | Guido Trotter | missing = set(nodenames).difference(all_info.keys())
|
2093 | 3fa93523 | Guido Trotter | if missing:
|
2094 | 7b3a8fb5 | Iustin Pop | raise errors.OpExecError(
|
2095 | 3fa93523 | Guido Trotter | "Some nodes were removed before retrieving their data: %s" % missing)
|
2096 | c8d8b4c8 | Iustin Pop | else:
|
2097 | c8d8b4c8 | Iustin Pop | nodenames = all_info.keys() |
2098 | c1f1cbb2 | Iustin Pop | |
2099 | c1f1cbb2 | Iustin Pop | nodenames = utils.NiceSort(nodenames) |
2100 | c8d8b4c8 | Iustin Pop | nodelist = [all_info[name] for name in nodenames] |
2101 | a8083063 | Iustin Pop | |
2102 | a8083063 | Iustin Pop | # begin data gathering
|
2103 | a8083063 | Iustin Pop | |
2104 | bc8e4a1a | Iustin Pop | if self.do_node_query: |
2105 | a8083063 | Iustin Pop | live_data = {} |
2106 | 72737a7f | Iustin Pop | node_data = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
2107 | 72737a7f | Iustin Pop | self.cfg.GetHypervisorType())
|
2108 | a8083063 | Iustin Pop | for name in nodenames: |
2109 | 781de953 | Iustin Pop | nodeinfo = node_data[name] |
2110 | 4c4e4e1e | Iustin Pop | if not nodeinfo.fail_msg and nodeinfo.payload: |
2111 | 070e998b | Iustin Pop | nodeinfo = nodeinfo.payload |
2112 | d599d686 | Iustin Pop | fn = utils.TryConvert |
2113 | a8083063 | Iustin Pop | live_data[name] = { |
2114 | d599d686 | Iustin Pop | "mtotal": fn(int, nodeinfo.get('memory_total', None)), |
2115 | d599d686 | Iustin Pop | "mnode": fn(int, nodeinfo.get('memory_dom0', None)), |
2116 | d599d686 | Iustin Pop | "mfree": fn(int, nodeinfo.get('memory_free', None)), |
2117 | d599d686 | Iustin Pop | "dtotal": fn(int, nodeinfo.get('vg_size', None)), |
2118 | d599d686 | Iustin Pop | "dfree": fn(int, nodeinfo.get('vg_free', None)), |
2119 | d599d686 | Iustin Pop | "ctotal": fn(int, nodeinfo.get('cpu_total', None)), |
2120 | d599d686 | Iustin Pop | "bootid": nodeinfo.get('bootid', None), |
2121 | 0105bad3 | Iustin Pop | "cnodes": fn(int, nodeinfo.get('cpu_nodes', None)), |
2122 | 0105bad3 | Iustin Pop | "csockets": fn(int, nodeinfo.get('cpu_sockets', None)), |
2123 | a8083063 | Iustin Pop | } |
2124 | a8083063 | Iustin Pop | else:
|
2125 | a8083063 | Iustin Pop | live_data[name] = {} |
2126 | a8083063 | Iustin Pop | else:
|
2127 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
2128 | a8083063 | Iustin Pop | |
2129 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
2130 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
2131 | a8083063 | Iustin Pop | |
2132 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
2133 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
2134 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
2135 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
2136 | a8083063 | Iustin Pop | |
2137 | ec223efb | Iustin Pop | for instance_name in instancelist: |
2138 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
2139 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
2140 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
2141 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
2142 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
2143 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
2144 | a8083063 | Iustin Pop | |
2145 | 0e67cdbe | Iustin Pop | master_node = self.cfg.GetMasterNode()
|
2146 | 0e67cdbe | Iustin Pop | |
2147 | a8083063 | Iustin Pop | # end data gathering
|
2148 | a8083063 | Iustin Pop | |
2149 | a8083063 | Iustin Pop | output = [] |
2150 | a8083063 | Iustin Pop | for node in nodelist: |
2151 | a8083063 | Iustin Pop | node_output = [] |
2152 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2153 | a8083063 | Iustin Pop | if field == "name": |
2154 | a8083063 | Iustin Pop | val = node.name |
2155 | ec223efb | Iustin Pop | elif field == "pinst_list": |
2156 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
2157 | ec223efb | Iustin Pop | elif field == "sinst_list": |
2158 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
2159 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
2160 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
2161 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
2162 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
2163 | a8083063 | Iustin Pop | elif field == "pip": |
2164 | a8083063 | Iustin Pop | val = node.primary_ip |
2165 | a8083063 | Iustin Pop | elif field == "sip": |
2166 | a8083063 | Iustin Pop | val = node.secondary_ip |
2167 | 130a6a6f | Iustin Pop | elif field == "tags": |
2168 | 130a6a6f | Iustin Pop | val = list(node.GetTags())
|
2169 | 38d7239a | Iustin Pop | elif field == "serial_no": |
2170 | 38d7239a | Iustin Pop | val = node.serial_no |
2171 | 0e67cdbe | Iustin Pop | elif field == "master_candidate": |
2172 | 0e67cdbe | Iustin Pop | val = node.master_candidate |
2173 | 0e67cdbe | Iustin Pop | elif field == "master": |
2174 | 0e67cdbe | Iustin Pop | val = node.name == master_node |
2175 | 9ddb5e45 | Iustin Pop | elif field == "offline": |
2176 | 9ddb5e45 | Iustin Pop | val = node.offline |
2177 | 0b2454b9 | Iustin Pop | elif field == "drained": |
2178 | 0b2454b9 | Iustin Pop | val = node.drained |
2179 | 31bf511f | Iustin Pop | elif self._FIELDS_DYNAMIC.Matches(field): |
2180 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
2181 | c120ff34 | Iustin Pop | elif field == "role": |
2182 | c120ff34 | Iustin Pop | if node.name == master_node:
|
2183 | c120ff34 | Iustin Pop | val = "M"
|
2184 | c120ff34 | Iustin Pop | elif node.master_candidate:
|
2185 | c120ff34 | Iustin Pop | val = "C"
|
2186 | c120ff34 | Iustin Pop | elif node.drained:
|
2187 | c120ff34 | Iustin Pop | val = "D"
|
2188 | c120ff34 | Iustin Pop | elif node.offline:
|
2189 | c120ff34 | Iustin Pop | val = "O"
|
2190 | c120ff34 | Iustin Pop | else:
|
2191 | c120ff34 | Iustin Pop | val = "R"
|
2192 | a8083063 | Iustin Pop | else:
|
2193 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2194 | a8083063 | Iustin Pop | node_output.append(val) |
2195 | a8083063 | Iustin Pop | output.append(node_output) |
2196 | a8083063 | Iustin Pop | |
2197 | a8083063 | Iustin Pop | return output
|
2198 | a8083063 | Iustin Pop | |
2199 | a8083063 | Iustin Pop | |
2200 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
2201 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
2202 | dcb93971 | Michael Hanselmann |
|
2203 | dcb93971 | Michael Hanselmann | """
|
2204 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
2205 | 21a15682 | Guido Trotter | REQ_BGL = False
|
2206 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("phys", "vg", "name", "size", "instance") |
2207 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet("node")
|
2208 | 21a15682 | Guido Trotter | |
2209 | 21a15682 | Guido Trotter | def ExpandNames(self): |
2210 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2211 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2212 | 21a15682 | Guido Trotter | selected=self.op.output_fields)
|
2213 | 21a15682 | Guido Trotter | |
2214 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
2215 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
2216 | 21a15682 | Guido Trotter | if not self.op.nodes: |
2217 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
2218 | 21a15682 | Guido Trotter | else:
|
2219 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
2220 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
2221 | dcb93971 | Michael Hanselmann | |
2222 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
2223 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
2224 | dcb93971 | Michael Hanselmann |
|
2225 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
2226 | dcb93971 | Michael Hanselmann |
|
2227 | dcb93971 | Michael Hanselmann | """
|
2228 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
2229 | dcb93971 | Michael Hanselmann | |
2230 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
2231 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
2232 | dcb93971 | Michael Hanselmann |
|
2233 | dcb93971 | Michael Hanselmann | """
|
2234 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
2235 | 72737a7f | Iustin Pop | volumes = self.rpc.call_node_volumes(nodenames)
|
2236 | dcb93971 | Michael Hanselmann | |
2237 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
2238 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
2239 | dcb93971 | Michael Hanselmann | |
2240 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
2241 | dcb93971 | Michael Hanselmann | |
2242 | dcb93971 | Michael Hanselmann | output = [] |
2243 | dcb93971 | Michael Hanselmann | for node in nodenames: |
2244 | 10bfe6cb | Iustin Pop | nresult = volumes[node] |
2245 | 10bfe6cb | Iustin Pop | if nresult.offline:
|
2246 | 10bfe6cb | Iustin Pop | continue
|
2247 | 4c4e4e1e | Iustin Pop | msg = nresult.fail_msg |
2248 | 10bfe6cb | Iustin Pop | if msg:
|
2249 | 10bfe6cb | Iustin Pop | self.LogWarning("Can't compute volume data on node %s: %s", node, msg) |
2250 | 37d19eb2 | Michael Hanselmann | continue
|
2251 | 37d19eb2 | Michael Hanselmann | |
2252 | 10bfe6cb | Iustin Pop | node_vols = nresult.payload[:] |
2253 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
2254 | dcb93971 | Michael Hanselmann | |
2255 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
2256 | dcb93971 | Michael Hanselmann | node_output = [] |
2257 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
2258 | dcb93971 | Michael Hanselmann | if field == "node": |
2259 | dcb93971 | Michael Hanselmann | val = node |
2260 | dcb93971 | Michael Hanselmann | elif field == "phys": |
2261 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
2262 | dcb93971 | Michael Hanselmann | elif field == "vg": |
2263 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
2264 | dcb93971 | Michael Hanselmann | elif field == "name": |
2265 | dcb93971 | Michael Hanselmann | val = vol['name']
|
2266 | dcb93971 | Michael Hanselmann | elif field == "size": |
2267 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
2268 | dcb93971 | Michael Hanselmann | elif field == "instance": |
2269 | dcb93971 | Michael Hanselmann | for inst in ilist: |
2270 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
2271 | dcb93971 | Michael Hanselmann | continue
|
2272 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
2273 | dcb93971 | Michael Hanselmann | val = inst.name |
2274 | dcb93971 | Michael Hanselmann | break
|
2275 | dcb93971 | Michael Hanselmann | else:
|
2276 | dcb93971 | Michael Hanselmann | val = '-'
|
2277 | dcb93971 | Michael Hanselmann | else:
|
2278 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2279 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
2280 | dcb93971 | Michael Hanselmann | |
2281 | dcb93971 | Michael Hanselmann | output.append(node_output) |
2282 | dcb93971 | Michael Hanselmann | |
2283 | dcb93971 | Michael Hanselmann | return output
|
2284 | dcb93971 | Michael Hanselmann | |
2285 | dcb93971 | Michael Hanselmann | |
2286 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
2287 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
2288 | a8083063 | Iustin Pop |
|
2289 | a8083063 | Iustin Pop | """
|
2290 | a8083063 | Iustin Pop | HPATH = "node-add"
|
2291 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
2292 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
2293 | a8083063 | Iustin Pop | |
2294 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2295 | a8083063 | Iustin Pop | """Build hooks env.
|
2296 | a8083063 | Iustin Pop |
|
2297 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
2298 | a8083063 | Iustin Pop |
|
2299 | a8083063 | Iustin Pop | """
|
2300 | a8083063 | Iustin Pop | env = { |
2301 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
2302 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
2303 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
2304 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
2305 | a8083063 | Iustin Pop | } |
2306 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
2307 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
2308 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
2309 | a8083063 | Iustin Pop | |
2310 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2311 | a8083063 | Iustin Pop | """Check prerequisites.
|
2312 | a8083063 | Iustin Pop |
|
2313 | a8083063 | Iustin Pop | This checks:
|
2314 | a8083063 | Iustin Pop | - the new node is not already in the config
|
2315 | a8083063 | Iustin Pop | - it is resolvable
|
2316 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
2317 | a8083063 | Iustin Pop |
|
2318 | 5bbd3f7f | Michael Hanselmann | Any errors are signaled by raising errors.OpPrereqError.
|
2319 | a8083063 | Iustin Pop |
|
2320 | a8083063 | Iustin Pop | """
|
2321 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
2322 | a8083063 | Iustin Pop | cfg = self.cfg
|
2323 | a8083063 | Iustin Pop | |
2324 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
2325 | a8083063 | Iustin Pop | |
2326 | bcf043c9 | Iustin Pop | node = dns_data.name |
2327 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
2328 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
2329 | a8083063 | Iustin Pop | if secondary_ip is None: |
2330 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
2331 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
2332 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
2333 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
2334 | e7c6e02b | Michael Hanselmann | |
2335 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
2336 | e7c6e02b | Michael Hanselmann | if not self.op.readd and node in node_list: |
2337 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is already in the configuration" % |
2338 | e7c6e02b | Michael Hanselmann | node) |
2339 | e7c6e02b | Michael Hanselmann | elif self.op.readd and node not in node_list: |
2340 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is not in the configuration" % node) |
2341 | a8083063 | Iustin Pop | |
2342 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
2343 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
2344 | e7c6e02b | Michael Hanselmann | |
2345 | e7c6e02b | Michael Hanselmann | if self.op.readd and node == existing_node_name: |
2346 | e7c6e02b | Michael Hanselmann | if (existing_node.primary_ip != primary_ip or |
2347 | e7c6e02b | Michael Hanselmann | existing_node.secondary_ip != secondary_ip): |
2348 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Readded node doesn't have the same IP" |
2349 | e7c6e02b | Michael Hanselmann | " address configuration as before")
|
2350 | e7c6e02b | Michael Hanselmann | continue
|
2351 | e7c6e02b | Michael Hanselmann | |
2352 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
2353 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
2354 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
2355 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
2356 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
2357 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
2358 | a8083063 | Iustin Pop | |
2359 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
2360 | a8083063 | Iustin Pop | # same as for the master
|
2361 | d6a02168 | Michael Hanselmann | myself = cfg.GetNodeInfo(self.cfg.GetMasterNode())
|
2362 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
2363 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
2364 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
2365 | a8083063 | Iustin Pop | if master_singlehomed:
|
2366 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
2367 | 3ecf6786 | Iustin Pop | " new node has one")
|
2368 | a8083063 | Iustin Pop | else:
|
2369 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
2370 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
2371 | a8083063 | Iustin Pop | |
2372 | 5bbd3f7f | Michael Hanselmann | # checks reachability
|
2373 | b15d625f | Iustin Pop | if not utils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
2374 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
2375 | a8083063 | Iustin Pop | |
2376 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
2377 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
2378 | b15d625f | Iustin Pop | if not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
2379 | b15d625f | Iustin Pop | source=myself.secondary_ip): |
2380 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
2381 | f4bc1f2c | Michael Hanselmann | " based ping to noded port")
|
2382 | a8083063 | Iustin Pop | |
2383 | 0fff97e9 | Guido Trotter | cp_size = self.cfg.GetClusterInfo().candidate_pool_size
|
2384 | a8ae3eb5 | Iustin Pop | if self.op.readd: |
2385 | a8ae3eb5 | Iustin Pop | exceptions = [node] |
2386 | a8ae3eb5 | Iustin Pop | else:
|
2387 | a8ae3eb5 | Iustin Pop | exceptions = [] |
2388 | a8ae3eb5 | Iustin Pop | mc_now, mc_max = self.cfg.GetMasterCandidateStats(exceptions)
|
2389 | a8ae3eb5 | Iustin Pop | # the new node will increase mc_max with one, so:
|
2390 | a8ae3eb5 | Iustin Pop | mc_max = min(mc_max + 1, cp_size) |
2391 | a8ae3eb5 | Iustin Pop | self.master_candidate = mc_now < mc_max
|
2392 | 0fff97e9 | Guido Trotter | |
2393 | a8ae3eb5 | Iustin Pop | if self.op.readd: |
2394 | a8ae3eb5 | Iustin Pop | self.new_node = self.cfg.GetNodeInfo(node) |
2395 | a8ae3eb5 | Iustin Pop | assert self.new_node is not None, "Can't retrieve locked node %s" % node |
2396 | a8ae3eb5 | Iustin Pop | else:
|
2397 | a8ae3eb5 | Iustin Pop | self.new_node = objects.Node(name=node,
|
2398 | a8ae3eb5 | Iustin Pop | primary_ip=primary_ip, |
2399 | a8ae3eb5 | Iustin Pop | secondary_ip=secondary_ip, |
2400 | a8ae3eb5 | Iustin Pop | master_candidate=self.master_candidate,
|
2401 | a8ae3eb5 | Iustin Pop | offline=False, drained=False) |
2402 | a8083063 | Iustin Pop | |
2403 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2404 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
2405 | a8083063 | Iustin Pop |
|
2406 | a8083063 | Iustin Pop | """
|
2407 | a8083063 | Iustin Pop | new_node = self.new_node
|
2408 | a8083063 | Iustin Pop | node = new_node.name |
2409 | a8083063 | Iustin Pop | |
2410 | a8ae3eb5 | Iustin Pop | # for re-adds, reset the offline/drained/master-candidate flags;
|
2411 | a8ae3eb5 | Iustin Pop | # we need to reset here, otherwise offline would prevent RPC calls
|
2412 | a8ae3eb5 | Iustin Pop | # later in the procedure; this also means that if the re-add
|
2413 | a8ae3eb5 | Iustin Pop | # fails, we are left with a non-offlined, broken node
|
2414 | a8ae3eb5 | Iustin Pop | if self.op.readd: |
2415 | a8ae3eb5 | Iustin Pop | new_node.drained = new_node.offline = False
|
2416 | a8ae3eb5 | Iustin Pop | self.LogInfo("Readding a node, the offline/drained flags were reset") |
2417 | a8ae3eb5 | Iustin Pop | # if we demote the node, we do cleanup later in the procedure
|
2418 | a8ae3eb5 | Iustin Pop | new_node.master_candidate = self.master_candidate
|
2419 | a8ae3eb5 | Iustin Pop | |
2420 | a8ae3eb5 | Iustin Pop | # notify the user about any possible mc promotion
|
2421 | a8ae3eb5 | Iustin Pop | if new_node.master_candidate:
|
2422 | a8ae3eb5 | Iustin Pop | self.LogInfo("Node will be a master candidate") |
2423 | a8ae3eb5 | Iustin Pop | |
2424 | a8083063 | Iustin Pop | # check connectivity
|
2425 | 72737a7f | Iustin Pop | result = self.rpc.call_version([node])[node]
|
2426 | 4c4e4e1e | Iustin Pop | result.Raise("Can't get version information from node %s" % node)
|
2427 | 90b54c26 | Iustin Pop | if constants.PROTOCOL_VERSION == result.payload:
|
2428 | 90b54c26 | Iustin Pop | logging.info("Communication to node %s fine, sw version %s match",
|
2429 | 90b54c26 | Iustin Pop | node, result.payload) |
2430 | a8083063 | Iustin Pop | else:
|
2431 | 90b54c26 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
2432 | 90b54c26 | Iustin Pop | " node version %s" %
|
2433 | 90b54c26 | Iustin Pop | (constants.PROTOCOL_VERSION, result.payload)) |
2434 | a8083063 | Iustin Pop | |
2435 | a8083063 | Iustin Pop | # setup ssh on node
|
2436 | 9a4f63d1 | Iustin Pop | logging.info("Copy ssh key to node %s", node)
|
2437 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
2438 | a8083063 | Iustin Pop | keyarray = [] |
2439 | 70d9e3d8 | Iustin Pop | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
2440 | 70d9e3d8 | Iustin Pop | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
2441 | 70d9e3d8 | Iustin Pop | priv_key, pub_key] |
2442 | a8083063 | Iustin Pop | |
2443 | a8083063 | Iustin Pop | for i in keyfiles: |
2444 | a8083063 | Iustin Pop | f = open(i, 'r') |
2445 | a8083063 | Iustin Pop | try:
|
2446 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
2447 | a8083063 | Iustin Pop | finally:
|
2448 | a8083063 | Iustin Pop | f.close() |
2449 | a8083063 | Iustin Pop | |
2450 | 72737a7f | Iustin Pop | result = self.rpc.call_node_add(node, keyarray[0], keyarray[1], |
2451 | 72737a7f | Iustin Pop | keyarray[2],
|
2452 | 72737a7f | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
2453 | 4c4e4e1e | Iustin Pop | result.Raise("Cannot transfer ssh keys to the new node")
|
2454 | a8083063 | Iustin Pop | |
2455 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
2456 | b86a6bcd | Guido Trotter | if self.cfg.GetClusterInfo().modify_etc_hosts: |
2457 | b86a6bcd | Guido Trotter | utils.AddHostToEtcHosts(new_node.name) |
2458 | c8a0948f | Michael Hanselmann | |
2459 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
2460 | 781de953 | Iustin Pop | result = self.rpc.call_node_has_ip_address(new_node.name,
|
2461 | 781de953 | Iustin Pop | new_node.secondary_ip) |
2462 | 4c4e4e1e | Iustin Pop | result.Raise("Failure checking secondary ip on node %s" % new_node.name,
|
2463 | 4c4e4e1e | Iustin Pop | prereq=True)
|
2464 | c2fc8250 | Iustin Pop | if not result.payload: |
2465 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
2466 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
2467 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
2468 | a8083063 | Iustin Pop | |
2469 | d6a02168 | Michael Hanselmann | node_verify_list = [self.cfg.GetMasterNode()]
|
2470 | 5c0527ed | Guido Trotter | node_verify_param = { |
2471 | 5c0527ed | Guido Trotter | 'nodelist': [node],
|
2472 | 5c0527ed | Guido Trotter | # TODO: do a node-net-test as well?
|
2473 | 5c0527ed | Guido Trotter | } |
2474 | 5c0527ed | Guido Trotter | |
2475 | 72737a7f | Iustin Pop | result = self.rpc.call_node_verify(node_verify_list, node_verify_param,
|
2476 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
2477 | 5c0527ed | Guido Trotter | for verifier in node_verify_list: |
2478 | 4c4e4e1e | Iustin Pop | result[verifier].Raise("Cannot communicate with node %s" % verifier)
|
2479 | 6f68a739 | Iustin Pop | nl_payload = result[verifier].payload['nodelist']
|
2480 | 6f68a739 | Iustin Pop | if nl_payload:
|
2481 | 6f68a739 | Iustin Pop | for failed in nl_payload: |
2482 | 5c0527ed | Guido Trotter | feedback_fn("ssh/hostname verification failed %s -> %s" %
|
2483 | 6f68a739 | Iustin Pop | (verifier, nl_payload[failed])) |
2484 | 5c0527ed | Guido Trotter | raise errors.OpExecError("ssh/hostname verification failed.") |
2485 | ff98055b | Iustin Pop | |
2486 | d8470559 | Michael Hanselmann | if self.op.readd: |
2487 | 28eddce5 | Guido Trotter | _RedistributeAncillaryFiles(self)
|
2488 | d8470559 | Michael Hanselmann | self.context.ReaddNode(new_node)
|
2489 | a8ae3eb5 | Iustin Pop | # make sure we redistribute the config
|
2490 | a8ae3eb5 | Iustin Pop | self.cfg.Update(new_node)
|
2491 | a8ae3eb5 | Iustin Pop | # and make sure the new node will not have old files around
|
2492 | a8ae3eb5 | Iustin Pop | if not new_node.master_candidate: |
2493 | a8ae3eb5 | Iustin Pop | result = self.rpc.call_node_demote_from_mc(new_node.name)
|
2494 | a8ae3eb5 | Iustin Pop | msg = result.RemoteFailMsg() |
2495 | a8ae3eb5 | Iustin Pop | if msg:
|
2496 | a8ae3eb5 | Iustin Pop | self.LogWarning("Node failed to demote itself from master" |
2497 | a8ae3eb5 | Iustin Pop | " candidate status: %s" % msg)
|
2498 | d8470559 | Michael Hanselmann | else:
|
2499 | 035566e3 | Iustin Pop | _RedistributeAncillaryFiles(self, additional_nodes=[node])
|
2500 | d8470559 | Michael Hanselmann | self.context.AddNode(new_node)
|
2501 | a8083063 | Iustin Pop | |
2502 | a8083063 | Iustin Pop | |
2503 | b31c8676 | Iustin Pop | class LUSetNodeParams(LogicalUnit): |
2504 | b31c8676 | Iustin Pop | """Modifies the parameters of a node.
|
2505 | b31c8676 | Iustin Pop |
|
2506 | b31c8676 | Iustin Pop | """
|
2507 | b31c8676 | Iustin Pop | HPATH = "node-modify"
|
2508 | b31c8676 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
2509 | b31c8676 | Iustin Pop | _OP_REQP = ["node_name"]
|
2510 | b31c8676 | Iustin Pop | REQ_BGL = False
|
2511 | b31c8676 | Iustin Pop | |
2512 | b31c8676 | Iustin Pop | def CheckArguments(self): |
2513 | b31c8676 | Iustin Pop | node_name = self.cfg.ExpandNodeName(self.op.node_name) |
2514 | b31c8676 | Iustin Pop | if node_name is None: |
2515 | b31c8676 | Iustin Pop | raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name) |
2516 | b31c8676 | Iustin Pop | self.op.node_name = node_name
|
2517 | 3a5ba66a | Iustin Pop | _CheckBooleanOpField(self.op, 'master_candidate') |
2518 | 3a5ba66a | Iustin Pop | _CheckBooleanOpField(self.op, 'offline') |
2519 | c9d443ea | Iustin Pop | _CheckBooleanOpField(self.op, 'drained') |
2520 | c9d443ea | Iustin Pop | all_mods = [self.op.offline, self.op.master_candidate, self.op.drained] |
2521 | c9d443ea | Iustin Pop | if all_mods.count(None) == 3: |
2522 | b31c8676 | Iustin Pop | raise errors.OpPrereqError("Please pass at least one modification") |
2523 | c9d443ea | Iustin Pop | if all_mods.count(True) > 1: |
2524 | c9d443ea | Iustin Pop | raise errors.OpPrereqError("Can't set the node into more than one" |
2525 | c9d443ea | Iustin Pop | " state at the same time")
|
2526 | b31c8676 | Iustin Pop | |
2527 | b31c8676 | Iustin Pop | def ExpandNames(self): |
2528 | b31c8676 | Iustin Pop | self.needed_locks = {locking.LEVEL_NODE: self.op.node_name} |
2529 | b31c8676 | Iustin Pop | |
2530 | b31c8676 | Iustin Pop | def BuildHooksEnv(self): |
2531 | b31c8676 | Iustin Pop | """Build hooks env.
|
2532 | b31c8676 | Iustin Pop |
|
2533 | b31c8676 | Iustin Pop | This runs on the master node.
|
2534 | b31c8676 | Iustin Pop |
|
2535 | b31c8676 | Iustin Pop | """
|
2536 | b31c8676 | Iustin Pop | env = { |
2537 | b31c8676 | Iustin Pop | "OP_TARGET": self.op.node_name, |
2538 | b31c8676 | Iustin Pop | "MASTER_CANDIDATE": str(self.op.master_candidate), |
2539 | 3a5ba66a | Iustin Pop | "OFFLINE": str(self.op.offline), |
2540 | c9d443ea | Iustin Pop | "DRAINED": str(self.op.drained), |
2541 | b31c8676 | Iustin Pop | } |
2542 | b31c8676 | Iustin Pop | nl = [self.cfg.GetMasterNode(),
|
2543 | b31c8676 | Iustin Pop | self.op.node_name]
|
2544 | b31c8676 | Iustin Pop | return env, nl, nl
|
2545 | b31c8676 | Iustin Pop | |
2546 | b31c8676 | Iustin Pop | def CheckPrereq(self): |
2547 | b31c8676 | Iustin Pop | """Check prerequisites.
|
2548 | b31c8676 | Iustin Pop |
|
2549 | b31c8676 | Iustin Pop | This only checks the instance list against the existing names.
|
2550 | b31c8676 | Iustin Pop |
|
2551 | b31c8676 | Iustin Pop | """
|
2552 | 3a5ba66a | Iustin Pop | node = self.node = self.cfg.GetNodeInfo(self.op.node_name) |
2553 | b31c8676 | Iustin Pop | |
2554 | c9d443ea | Iustin Pop | if ((self.op.master_candidate == False or self.op.offline == True or |
2555 | c9d443ea | Iustin Pop | self.op.drained == True) and node.master_candidate): |
2556 | 3a5ba66a | Iustin Pop | # we will demote the node from master_candidate
|
2557 | 3a26773f | Iustin Pop | if self.op.node_name == self.cfg.GetMasterNode(): |
2558 | 3a26773f | Iustin Pop | raise errors.OpPrereqError("The master node has to be a" |
2559 | c9d443ea | Iustin Pop | " master candidate, online and not drained")
|
2560 | 3e83dd48 | Iustin Pop | cp_size = self.cfg.GetClusterInfo().candidate_pool_size
|
2561 | 3a5ba66a | Iustin Pop | num_candidates, _ = self.cfg.GetMasterCandidateStats()
|
2562 | 3e83dd48 | Iustin Pop | if num_candidates <= cp_size:
|
2563 | 3e83dd48 | Iustin Pop | msg = ("Not enough master candidates (desired"
|
2564 | 3e83dd48 | Iustin Pop | " %d, new value will be %d)" % (cp_size, num_candidates-1)) |
2565 | 3a5ba66a | Iustin Pop | if self.op.force: |
2566 | 3e83dd48 | Iustin Pop | self.LogWarning(msg)
|
2567 | 3e83dd48 | Iustin Pop | else:
|
2568 | 3e83dd48 | Iustin Pop | raise errors.OpPrereqError(msg)
|
2569 | 3e83dd48 | Iustin Pop | |
2570 | c9d443ea | Iustin Pop | if (self.op.master_candidate == True and |
2571 | c9d443ea | Iustin Pop | ((node.offline and not self.op.offline == False) or |
2572 | c9d443ea | Iustin Pop | (node.drained and not self.op.drained == False))): |
2573 | c9d443ea | Iustin Pop | raise errors.OpPrereqError("Node '%s' is offline or drained, can't set" |
2574 | 949bdabe | Iustin Pop | " to master_candidate" % node.name)
|
2575 | 3a5ba66a | Iustin Pop | |
2576 | b31c8676 | Iustin Pop | return
|
2577 | b31c8676 | Iustin Pop | |
2578 | b31c8676 | Iustin Pop | def Exec(self, feedback_fn): |
2579 | b31c8676 | Iustin Pop | """Modifies a node.
|
2580 | b31c8676 | Iustin Pop |
|
2581 | b31c8676 | Iustin Pop | """
|
2582 | 3a5ba66a | Iustin Pop | node = self.node
|
2583 | b31c8676 | Iustin Pop | |
2584 | b31c8676 | Iustin Pop | result = [] |
2585 | c9d443ea | Iustin Pop | changed_mc = False
|
2586 | b31c8676 | Iustin Pop | |
2587 | 3a5ba66a | Iustin Pop | if self.op.offline is not None: |
2588 | 3a5ba66a | Iustin Pop | node.offline = self.op.offline
|
2589 | 3a5ba66a | Iustin Pop | result.append(("offline", str(self.op.offline))) |
2590 | c9d443ea | Iustin Pop | if self.op.offline == True: |
2591 | c9d443ea | Iustin Pop | if node.master_candidate:
|
2592 | c9d443ea | Iustin Pop | node.master_candidate = False
|
2593 | c9d443ea | Iustin Pop | changed_mc = True
|
2594 | c9d443ea | Iustin Pop | result.append(("master_candidate", "auto-demotion due to offline")) |
2595 | c9d443ea | Iustin Pop | if node.drained:
|
2596 | c9d443ea | Iustin Pop | node.drained = False
|
2597 | c9d443ea | Iustin Pop | result.append(("drained", "clear drained status due to offline")) |
2598 | 3a5ba66a | Iustin Pop | |
2599 | b31c8676 | Iustin Pop | if self.op.master_candidate is not None: |
2600 | b31c8676 | Iustin Pop | node.master_candidate = self.op.master_candidate
|
2601 | c9d443ea | Iustin Pop | changed_mc = True
|
2602 | b31c8676 | Iustin Pop | result.append(("master_candidate", str(self.op.master_candidate))) |
2603 | 56aa9fd5 | Iustin Pop | if self.op.master_candidate == False: |
2604 | 56aa9fd5 | Iustin Pop | rrc = self.rpc.call_node_demote_from_mc(node.name)
|
2605 | 4c4e4e1e | Iustin Pop | msg = rrc.fail_msg |
2606 | 0959c824 | Iustin Pop | if msg:
|
2607 | 0959c824 | Iustin Pop | self.LogWarning("Node failed to demote itself: %s" % msg) |
2608 | b31c8676 | Iustin Pop | |
2609 | c9d443ea | Iustin Pop | if self.op.drained is not None: |
2610 | c9d443ea | Iustin Pop | node.drained = self.op.drained
|
2611 | 82e12743 | Iustin Pop | result.append(("drained", str(self.op.drained))) |
2612 | c9d443ea | Iustin Pop | if self.op.drained == True: |
2613 | c9d443ea | Iustin Pop | if node.master_candidate:
|
2614 | c9d443ea | Iustin Pop | node.master_candidate = False
|
2615 | c9d443ea | Iustin Pop | changed_mc = True
|
2616 | c9d443ea | Iustin Pop | result.append(("master_candidate", "auto-demotion due to drain")) |
2617 | dec0d9da | Iustin Pop | rrc = self.rpc.call_node_demote_from_mc(node.name)
|
2618 | dec0d9da | Iustin Pop | msg = rrc.RemoteFailMsg() |
2619 | dec0d9da | Iustin Pop | if msg:
|
2620 | dec0d9da | Iustin Pop | self.LogWarning("Node failed to demote itself: %s" % msg) |
2621 | c9d443ea | Iustin Pop | if node.offline:
|
2622 | c9d443ea | Iustin Pop | node.offline = False
|
2623 | c9d443ea | Iustin Pop | result.append(("offline", "clear offline status due to drain")) |
2624 | c9d443ea | Iustin Pop | |
2625 | b31c8676 | Iustin Pop | # this will trigger configuration file update, if needed
|
2626 | b31c8676 | Iustin Pop | self.cfg.Update(node)
|
2627 | b31c8676 | Iustin Pop | # this will trigger job queue propagation or cleanup
|
2628 | c9d443ea | Iustin Pop | if changed_mc:
|
2629 | 3a26773f | Iustin Pop | self.context.ReaddNode(node)
|
2630 | b31c8676 | Iustin Pop | |
2631 | b31c8676 | Iustin Pop | return result
|
2632 | b31c8676 | Iustin Pop | |
2633 | b31c8676 | Iustin Pop | |
2634 | f5118ade | Iustin Pop | class LUPowercycleNode(NoHooksLU): |
2635 | f5118ade | Iustin Pop | """Powercycles a node.
|
2636 | f5118ade | Iustin Pop |
|
2637 | f5118ade | Iustin Pop | """
|
2638 | f5118ade | Iustin Pop | _OP_REQP = ["node_name", "force"] |
2639 | f5118ade | Iustin Pop | REQ_BGL = False
|
2640 | f5118ade | Iustin Pop | |
2641 | f5118ade | Iustin Pop | def CheckArguments(self): |
2642 | f5118ade | Iustin Pop | node_name = self.cfg.ExpandNodeName(self.op.node_name) |
2643 | f5118ade | Iustin Pop | if node_name is None: |
2644 | f5118ade | Iustin Pop | raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name) |
2645 | f5118ade | Iustin Pop | self.op.node_name = node_name
|
2646 | f5118ade | Iustin Pop | if node_name == self.cfg.GetMasterNode() and not self.op.force: |
2647 | f5118ade | Iustin Pop | raise errors.OpPrereqError("The node is the master and the force" |
2648 | f5118ade | Iustin Pop | " parameter was not set")
|
2649 | f5118ade | Iustin Pop | |
2650 | f5118ade | Iustin Pop | def ExpandNames(self): |
2651 | f5118ade | Iustin Pop | """Locking for PowercycleNode.
|
2652 | f5118ade | Iustin Pop |
|
2653 | f5118ade | Iustin Pop | This is a last-resource option and shouldn't block on other
|
2654 | f5118ade | Iustin Pop | jobs. Therefore, we grab no locks.
|
2655 | f5118ade | Iustin Pop |
|
2656 | f5118ade | Iustin Pop | """
|
2657 | f5118ade | Iustin Pop | self.needed_locks = {}
|
2658 | f5118ade | Iustin Pop | |
2659 | f5118ade | Iustin Pop | def CheckPrereq(self): |
2660 | f5118ade | Iustin Pop | """Check prerequisites.
|
2661 | f5118ade | Iustin Pop |
|
2662 | f5118ade | Iustin Pop | This LU has no prereqs.
|
2663 | f5118ade | Iustin Pop |
|
2664 | f5118ade | Iustin Pop | """
|
2665 | f5118ade | Iustin Pop | pass
|
2666 | f5118ade | Iustin Pop | |
2667 | f5118ade | Iustin Pop | def Exec(self, feedback_fn): |
2668 | f5118ade | Iustin Pop | """Reboots a node.
|
2669 | f5118ade | Iustin Pop |
|
2670 | f5118ade | Iustin Pop | """
|
2671 | f5118ade | Iustin Pop | result = self.rpc.call_node_powercycle(self.op.node_name, |
2672 | f5118ade | Iustin Pop | self.cfg.GetHypervisorType())
|
2673 | 4c4e4e1e | Iustin Pop | result.Raise("Failed to schedule the reboot")
|
2674 | f5118ade | Iustin Pop | return result.payload
|
2675 | f5118ade | Iustin Pop | |
2676 | f5118ade | Iustin Pop | |
2677 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
2678 | a8083063 | Iustin Pop | """Query cluster configuration.
|
2679 | a8083063 | Iustin Pop |
|
2680 | a8083063 | Iustin Pop | """
|
2681 | a8083063 | Iustin Pop | _OP_REQP = [] |
2682 | 642339cf | Guido Trotter | REQ_BGL = False
|
2683 | 642339cf | Guido Trotter | |
2684 | 642339cf | Guido Trotter | def ExpandNames(self): |
2685 | 642339cf | Guido Trotter | self.needed_locks = {}
|
2686 | a8083063 | Iustin Pop | |
2687 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2688 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
2689 | a8083063 | Iustin Pop |
|
2690 | a8083063 | Iustin Pop | """
|
2691 | a8083063 | Iustin Pop | pass
|
2692 | a8083063 | Iustin Pop | |
2693 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2694 | a8083063 | Iustin Pop | """Return cluster config.
|
2695 | a8083063 | Iustin Pop |
|
2696 | a8083063 | Iustin Pop | """
|
2697 | 469f88e1 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
2698 | a8083063 | Iustin Pop | result = { |
2699 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
2700 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
2701 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
2702 | d1a7d66f | Guido Trotter | "os_api_version": max(constants.OS_API_VERSIONS), |
2703 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
2704 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
2705 | 469f88e1 | Iustin Pop | "name": cluster.cluster_name,
|
2706 | 469f88e1 | Iustin Pop | "master": cluster.master_node,
|
2707 | 066f465d | Guido Trotter | "default_hypervisor": cluster.enabled_hypervisors[0], |
2708 | 469f88e1 | Iustin Pop | "enabled_hypervisors": cluster.enabled_hypervisors,
|
2709 | b8810fec | Michael Hanselmann | "hvparams": dict([(hypervisor_name, cluster.hvparams[hypervisor_name]) |
2710 | 7c4d6c7b | Michael Hanselmann | for hypervisor_name in cluster.enabled_hypervisors]), |
2711 | 469f88e1 | Iustin Pop | "beparams": cluster.beparams,
|
2712 | 1094acda | Guido Trotter | "nicparams": cluster.nicparams,
|
2713 | 4b7735f9 | Iustin Pop | "candidate_pool_size": cluster.candidate_pool_size,
|
2714 | 7a56b411 | Guido Trotter | "master_netdev": cluster.master_netdev,
|
2715 | 7a56b411 | Guido Trotter | "volume_group_name": cluster.volume_group_name,
|
2716 | 7a56b411 | Guido Trotter | "file_storage_dir": cluster.file_storage_dir,
|
2717 | a8083063 | Iustin Pop | } |
2718 | a8083063 | Iustin Pop | |
2719 | a8083063 | Iustin Pop | return result
|
2720 | a8083063 | Iustin Pop | |
2721 | a8083063 | Iustin Pop | |
2722 | ae5849b5 | Michael Hanselmann | class LUQueryConfigValues(NoHooksLU): |
2723 | ae5849b5 | Michael Hanselmann | """Return configuration values.
|
2724 | a8083063 | Iustin Pop |
|
2725 | a8083063 | Iustin Pop | """
|
2726 | a8083063 | Iustin Pop | _OP_REQP = [] |
2727 | 642339cf | Guido Trotter | REQ_BGL = False
|
2728 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet() |
2729 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet("cluster_name", "master_node", "drain_flag") |
2730 | 642339cf | Guido Trotter | |
2731 | 642339cf | Guido Trotter | def ExpandNames(self): |
2732 | 642339cf | Guido Trotter | self.needed_locks = {}
|
2733 | a8083063 | Iustin Pop | |
2734 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2735 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2736 | ae5849b5 | Michael Hanselmann | selected=self.op.output_fields)
|
2737 | ae5849b5 | Michael Hanselmann | |
2738 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2739 | a8083063 | Iustin Pop | """No prerequisites.
|
2740 | a8083063 | Iustin Pop |
|
2741 | a8083063 | Iustin Pop | """
|
2742 | a8083063 | Iustin Pop | pass
|
2743 | a8083063 | Iustin Pop | |
2744 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2745 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
2746 | a8083063 | Iustin Pop |
|
2747 | a8083063 | Iustin Pop | """
|
2748 | ae5849b5 | Michael Hanselmann | values = [] |
2749 | ae5849b5 | Michael Hanselmann | for field in self.op.output_fields: |
2750 | ae5849b5 | Michael Hanselmann | if field == "cluster_name": |
2751 | 3ccafd0e | Iustin Pop | entry = self.cfg.GetClusterName()
|
2752 | ae5849b5 | Michael Hanselmann | elif field == "master_node": |
2753 | 3ccafd0e | Iustin Pop | entry = self.cfg.GetMasterNode()
|
2754 | 3ccafd0e | Iustin Pop | elif field == "drain_flag": |
2755 | 3ccafd0e | Iustin Pop | entry = os.path.exists(constants.JOB_QUEUE_DRAIN_FILE) |
2756 | ae5849b5 | Michael Hanselmann | else:
|
2757 | ae5849b5 | Michael Hanselmann | raise errors.ParameterError(field)
|
2758 | 3ccafd0e | Iustin Pop | values.append(entry) |
2759 | ae5849b5 | Michael Hanselmann | return values
|
2760 | a8083063 | Iustin Pop | |
2761 | a8083063 | Iustin Pop | |
2762 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
2763 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
2764 | a8083063 | Iustin Pop |
|
2765 | a8083063 | Iustin Pop | """
|
2766 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2767 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
2768 | f22a8ba3 | Guido Trotter | |
2769 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
2770 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
2771 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2772 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2773 | f22a8ba3 | Guido Trotter | |
2774 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
2775 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2776 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
2777 | a8083063 | Iustin Pop | |
2778 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2779 | a8083063 | Iustin Pop | """Check prerequisites.
|
2780 | a8083063 | Iustin Pop |
|
2781 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2782 | a8083063 | Iustin Pop |
|
2783 | a8083063 | Iustin Pop | """
|
2784 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2785 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
2786 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2787 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
2788 | a8083063 | Iustin Pop | |
2789 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2790 | a8083063 | Iustin Pop | """Activate the disks.
|
2791 | a8083063 | Iustin Pop |
|
2792 | a8083063 | Iustin Pop | """
|
2793 | b9bddb6b | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self, self.instance) |
2794 | a8083063 | Iustin Pop | if not disks_ok: |
2795 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
2796 | a8083063 | Iustin Pop | |
2797 | a8083063 | Iustin Pop | return disks_info
|
2798 | a8083063 | Iustin Pop | |
2799 | a8083063 | Iustin Pop | |
2800 | b9bddb6b | Iustin Pop | def _AssembleInstanceDisks(lu, instance, ignore_secondaries=False): |
2801 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
2802 | a8083063 | Iustin Pop |
|
2803 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
2804 | a8083063 | Iustin Pop |
|
2805 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
2806 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
2807 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
2808 | e4376078 | Iustin Pop | @param instance: the instance for whose disks we assemble
|
2809 | e4376078 | Iustin Pop | @type ignore_secondaries: boolean
|
2810 | e4376078 | Iustin Pop | @param ignore_secondaries: if true, errors on secondary nodes
|
2811 | e4376078 | Iustin Pop | won't result in an error return from the function
|
2812 | e4376078 | Iustin Pop | @return: False if the operation failed, otherwise a list of
|
2813 | e4376078 | Iustin Pop | (host, instance_visible_name, node_visible_name)
|
2814 | e4376078 | Iustin Pop | with the mapping from node devices to instance devices
|
2815 | a8083063 | Iustin Pop |
|
2816 | a8083063 | Iustin Pop | """
|
2817 | a8083063 | Iustin Pop | device_info = [] |
2818 | a8083063 | Iustin Pop | disks_ok = True
|
2819 | fdbd668d | Iustin Pop | iname = instance.name |
2820 | fdbd668d | Iustin Pop | # With the two passes mechanism we try to reduce the window of
|
2821 | fdbd668d | Iustin Pop | # opportunity for the race condition of switching DRBD to primary
|
2822 | fdbd668d | Iustin Pop | # before handshaking occured, but we do not eliminate it
|
2823 | fdbd668d | Iustin Pop | |
2824 | fdbd668d | Iustin Pop | # The proper fix would be to wait (with some limits) until the
|
2825 | fdbd668d | Iustin Pop | # connection has been made and drbd transitions from WFConnection
|
2826 | fdbd668d | Iustin Pop | # into any other network-connected state (Connected, SyncTarget,
|
2827 | fdbd668d | Iustin Pop | # SyncSource, etc.)
|
2828 | fdbd668d | Iustin Pop | |
2829 | fdbd668d | Iustin Pop | # 1st pass, assemble on all nodes in secondary mode
|
2830 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
2831 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
2832 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
2833 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, False)
|
2834 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
2835 | 53c14ef1 | Iustin Pop | if msg:
|
2836 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not prepare block device %s on node %s"
|
2837 | 53c14ef1 | Iustin Pop | " (is_primary=False, pass=1): %s",
|
2838 | 53c14ef1 | Iustin Pop | inst_disk.iv_name, node, msg) |
2839 | fdbd668d | Iustin Pop | if not ignore_secondaries: |
2840 | a8083063 | Iustin Pop | disks_ok = False
|
2841 | fdbd668d | Iustin Pop | |
2842 | fdbd668d | Iustin Pop | # FIXME: race condition on drbd migration to primary
|
2843 | fdbd668d | Iustin Pop | |
2844 | fdbd668d | Iustin Pop | # 2nd pass, do only the primary node
|
2845 | fdbd668d | Iustin Pop | for inst_disk in instance.disks: |
2846 | fdbd668d | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
2847 | fdbd668d | Iustin Pop | if node != instance.primary_node:
|
2848 | fdbd668d | Iustin Pop | continue
|
2849 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
2850 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, True)
|
2851 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
2852 | 53c14ef1 | Iustin Pop | if msg:
|
2853 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not prepare block device %s on node %s"
|
2854 | 53c14ef1 | Iustin Pop | " (is_primary=True, pass=2): %s",
|
2855 | 53c14ef1 | Iustin Pop | inst_disk.iv_name, node, msg) |
2856 | fdbd668d | Iustin Pop | disks_ok = False
|
2857 | 1dff8e07 | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, |
2858 | 1dff8e07 | Iustin Pop | result.payload)) |
2859 | a8083063 | Iustin Pop | |
2860 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
2861 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
2862 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
2863 | b352ab5b | Iustin Pop | for disk in instance.disks: |
2864 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, instance.primary_node) |
2865 | b352ab5b | Iustin Pop | |
2866 | a8083063 | Iustin Pop | return disks_ok, device_info
|
2867 | a8083063 | Iustin Pop | |
2868 | a8083063 | Iustin Pop | |
2869 | b9bddb6b | Iustin Pop | def _StartInstanceDisks(lu, instance, force): |
2870 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
2871 | 3ecf6786 | Iustin Pop |
|
2872 | 3ecf6786 | Iustin Pop | """
|
2873 | 7c4d6c7b | Michael Hanselmann | disks_ok, _ = _AssembleInstanceDisks(lu, instance, |
2874 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
2875 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
2876 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
2877 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
2878 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("", hint="If the message above refers to a" |
2879 | 86d9d3bb | Iustin Pop | " secondary node,"
|
2880 | 86d9d3bb | Iustin Pop | " you can retry the operation using '--force'.")
|
2881 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
2882 | fe7b0351 | Michael Hanselmann | |
2883 | fe7b0351 | Michael Hanselmann | |
2884 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
2885 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
2886 | a8083063 | Iustin Pop |
|
2887 | a8083063 | Iustin Pop | """
|
2888 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2889 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
2890 | f22a8ba3 | Guido Trotter | |
2891 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
2892 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
2893 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2894 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2895 | f22a8ba3 | Guido Trotter | |
2896 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
2897 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2898 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
2899 | a8083063 | Iustin Pop | |
2900 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2901 | a8083063 | Iustin Pop | """Check prerequisites.
|
2902 | a8083063 | Iustin Pop |
|
2903 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2904 | a8083063 | Iustin Pop |
|
2905 | a8083063 | Iustin Pop | """
|
2906 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2907 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
2908 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2909 | a8083063 | Iustin Pop | |
2910 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2911 | a8083063 | Iustin Pop | """Deactivate the disks
|
2912 | a8083063 | Iustin Pop |
|
2913 | a8083063 | Iustin Pop | """
|
2914 | a8083063 | Iustin Pop | instance = self.instance
|
2915 | b9bddb6b | Iustin Pop | _SafeShutdownInstanceDisks(self, instance)
|
2916 | a8083063 | Iustin Pop | |
2917 | a8083063 | Iustin Pop | |
2918 | b9bddb6b | Iustin Pop | def _SafeShutdownInstanceDisks(lu, instance): |
2919 | 155d6c75 | Guido Trotter | """Shutdown block devices of an instance.
|
2920 | 155d6c75 | Guido Trotter |
|
2921 | 155d6c75 | Guido Trotter | This function checks if an instance is running, before calling
|
2922 | 155d6c75 | Guido Trotter | _ShutdownInstanceDisks.
|
2923 | 155d6c75 | Guido Trotter |
|
2924 | 155d6c75 | Guido Trotter | """
|
2925 | aca13712 | Iustin Pop | pnode = instance.primary_node |
2926 | 4c4e4e1e | Iustin Pop | ins_l = lu.rpc.call_instance_list([pnode], [instance.hypervisor])[pnode] |
2927 | 4c4e4e1e | Iustin Pop | ins_l.Raise("Can't contact node %s" % pnode)
|
2928 | aca13712 | Iustin Pop | |
2929 | aca13712 | Iustin Pop | if instance.name in ins_l.payload: |
2930 | 155d6c75 | Guido Trotter | raise errors.OpExecError("Instance is running, can't shutdown" |
2931 | 155d6c75 | Guido Trotter | " block devices.")
|
2932 | 155d6c75 | Guido Trotter | |
2933 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
2934 | a8083063 | Iustin Pop | |
2935 | a8083063 | Iustin Pop | |
2936 | b9bddb6b | Iustin Pop | def _ShutdownInstanceDisks(lu, instance, ignore_primary=False): |
2937 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
2938 | a8083063 | Iustin Pop |
|
2939 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
2940 | a8083063 | Iustin Pop |
|
2941 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
2942 | a8083063 | Iustin Pop | ignored.
|
2943 | a8083063 | Iustin Pop |
|
2944 | a8083063 | Iustin Pop | """
|
2945 | cacfd1fd | Iustin Pop | all_result = True
|
2946 | a8083063 | Iustin Pop | for disk in instance.disks: |
2947 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
2948 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(top_disk, node) |
2949 | 781de953 | Iustin Pop | result = lu.rpc.call_blockdev_shutdown(node, top_disk) |
2950 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
2951 | cacfd1fd | Iustin Pop | if msg:
|
2952 | cacfd1fd | Iustin Pop | lu.LogWarning("Could not shutdown block device %s on node %s: %s",
|
2953 | cacfd1fd | Iustin Pop | disk.iv_name, node, msg) |
2954 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
2955 | cacfd1fd | Iustin Pop | all_result = False
|
2956 | cacfd1fd | Iustin Pop | return all_result
|
2957 | a8083063 | Iustin Pop | |
2958 | a8083063 | Iustin Pop | |
2959 | 9ca87a96 | Iustin Pop | def _CheckNodeFreeMemory(lu, node, reason, requested, hypervisor_name): |
2960 | d4f16fd9 | Iustin Pop | """Checks if a node has enough free memory.
|
2961 | d4f16fd9 | Iustin Pop |
|
2962 | d4f16fd9 | Iustin Pop | This function check if a given node has the needed amount of free
|
2963 | d4f16fd9 | Iustin Pop | memory. In case the node has less memory or we cannot get the
|
2964 | d4f16fd9 | Iustin Pop | information from the node, this function raise an OpPrereqError
|
2965 | d4f16fd9 | Iustin Pop | exception.
|
2966 | d4f16fd9 | Iustin Pop |
|
2967 | b9bddb6b | Iustin Pop | @type lu: C{LogicalUnit}
|
2968 | b9bddb6b | Iustin Pop | @param lu: a logical unit from which we get configuration data
|
2969 | e69d05fd | Iustin Pop | @type node: C{str}
|
2970 | e69d05fd | Iustin Pop | @param node: the node to check
|
2971 | e69d05fd | Iustin Pop | @type reason: C{str}
|
2972 | e69d05fd | Iustin Pop | @param reason: string to use in the error message
|
2973 | e69d05fd | Iustin Pop | @type requested: C{int}
|
2974 | e69d05fd | Iustin Pop | @param requested: the amount of memory in MiB to check for
|
2975 | 9ca87a96 | Iustin Pop | @type hypervisor_name: C{str}
|
2976 | 9ca87a96 | Iustin Pop | @param hypervisor_name: the hypervisor to ask for memory stats
|
2977 | e69d05fd | Iustin Pop | @raise errors.OpPrereqError: if the node doesn't have enough memory, or
|
2978 | e69d05fd | Iustin Pop | we cannot check the node
|
2979 | d4f16fd9 | Iustin Pop |
|
2980 | d4f16fd9 | Iustin Pop | """
|
2981 | 9ca87a96 | Iustin Pop | nodeinfo = lu.rpc.call_node_info([node], lu.cfg.GetVGName(), hypervisor_name) |
2982 | 4c4e4e1e | Iustin Pop | nodeinfo[node].Raise("Can't get data from node %s" % node, prereq=True) |
2983 | 070e998b | Iustin Pop | free_mem = nodeinfo[node].payload.get('memory_free', None) |
2984 | d4f16fd9 | Iustin Pop | if not isinstance(free_mem, int): |
2985 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Can't compute free memory on node %s, result" |
2986 | 070e998b | Iustin Pop | " was '%s'" % (node, free_mem))
|
2987 | d4f16fd9 | Iustin Pop | if requested > free_mem:
|
2988 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on node %s for %s:" |
2989 | 070e998b | Iustin Pop | " needed %s MiB, available %s MiB" %
|
2990 | 070e998b | Iustin Pop | (node, reason, requested, free_mem)) |
2991 | d4f16fd9 | Iustin Pop | |
2992 | d4f16fd9 | Iustin Pop | |
2993 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
2994 | a8083063 | Iustin Pop | """Starts an instance.
|
2995 | a8083063 | Iustin Pop |
|
2996 | a8083063 | Iustin Pop | """
|
2997 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
2998 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2999 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
3000 | e873317a | Guido Trotter | REQ_BGL = False
|
3001 | e873317a | Guido Trotter | |
3002 | e873317a | Guido Trotter | def ExpandNames(self): |
3003 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
3004 | a8083063 | Iustin Pop | |
3005 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3006 | a8083063 | Iustin Pop | """Build hooks env.
|
3007 | a8083063 | Iustin Pop |
|
3008 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3009 | a8083063 | Iustin Pop |
|
3010 | a8083063 | Iustin Pop | """
|
3011 | a8083063 | Iustin Pop | env = { |
3012 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
3013 | a8083063 | Iustin Pop | } |
3014 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
3015 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3016 | a8083063 | Iustin Pop | return env, nl, nl
|
3017 | a8083063 | Iustin Pop | |
3018 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3019 | a8083063 | Iustin Pop | """Check prerequisites.
|
3020 | a8083063 | Iustin Pop |
|
3021 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3022 | a8083063 | Iustin Pop |
|
3023 | a8083063 | Iustin Pop | """
|
3024 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3025 | e873317a | Guido Trotter | assert self.instance is not None, \ |
3026 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3027 | a8083063 | Iustin Pop | |
3028 | d04aaa2f | Iustin Pop | # extra beparams
|
3029 | d04aaa2f | Iustin Pop | self.beparams = getattr(self.op, "beparams", {}) |
3030 | d04aaa2f | Iustin Pop | if self.beparams: |
3031 | d04aaa2f | Iustin Pop | if not isinstance(self.beparams, dict): |
3032 | d04aaa2f | Iustin Pop | raise errors.OpPrereqError("Invalid beparams passed: %s, expected" |
3033 | d04aaa2f | Iustin Pop | " dict" % (type(self.beparams), )) |
3034 | d04aaa2f | Iustin Pop | # fill the beparams dict
|
3035 | d04aaa2f | Iustin Pop | utils.ForceDictType(self.beparams, constants.BES_PARAMETER_TYPES)
|
3036 | d04aaa2f | Iustin Pop | self.op.beparams = self.beparams |
3037 | d04aaa2f | Iustin Pop | |
3038 | d04aaa2f | Iustin Pop | # extra hvparams
|
3039 | d04aaa2f | Iustin Pop | self.hvparams = getattr(self.op, "hvparams", {}) |
3040 | d04aaa2f | Iustin Pop | if self.hvparams: |
3041 | d04aaa2f | Iustin Pop | if not isinstance(self.hvparams, dict): |
3042 | d04aaa2f | Iustin Pop | raise errors.OpPrereqError("Invalid hvparams passed: %s, expected" |
3043 | d04aaa2f | Iustin Pop | " dict" % (type(self.hvparams), )) |
3044 | d04aaa2f | Iustin Pop | |
3045 | d04aaa2f | Iustin Pop | # check hypervisor parameter syntax (locally)
|
3046 | d04aaa2f | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
3047 | d04aaa2f | Iustin Pop | utils.ForceDictType(self.hvparams, constants.HVS_PARAMETER_TYPES)
|
3048 | abe609b2 | Guido Trotter | filled_hvp = objects.FillDict(cluster.hvparams[instance.hypervisor], |
3049 | d04aaa2f | Iustin Pop | instance.hvparams) |
3050 | d04aaa2f | Iustin Pop | filled_hvp.update(self.hvparams)
|
3051 | d04aaa2f | Iustin Pop | hv_type = hypervisor.GetHypervisor(instance.hypervisor) |
3052 | d04aaa2f | Iustin Pop | hv_type.CheckParameterSyntax(filled_hvp) |
3053 | d04aaa2f | Iustin Pop | _CheckHVParams(self, instance.all_nodes, instance.hypervisor, filled_hvp)
|
3054 | d04aaa2f | Iustin Pop | self.op.hvparams = self.hvparams |
3055 | d04aaa2f | Iustin Pop | |
3056 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
3057 | 7527a8a4 | Iustin Pop | |
3058 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
3059 | 5bbd3f7f | Michael Hanselmann | # check bridges existence
|
3060 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
3061 | a8083063 | Iustin Pop | |
3062 | f1926756 | Guido Trotter | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
3063 | f1926756 | Guido Trotter | instance.name, |
3064 | f1926756 | Guido Trotter | instance.hypervisor) |
3065 | 4c4e4e1e | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node,
|
3066 | 4c4e4e1e | Iustin Pop | prereq=True)
|
3067 | 7ad1af4a | Iustin Pop | if not remote_info.payload: # not running already |
3068 | f1926756 | Guido Trotter | _CheckNodeFreeMemory(self, instance.primary_node,
|
3069 | f1926756 | Guido Trotter | "starting instance %s" % instance.name,
|
3070 | f1926756 | Guido Trotter | bep[constants.BE_MEMORY], instance.hypervisor) |
3071 | d4f16fd9 | Iustin Pop | |
3072 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3073 | a8083063 | Iustin Pop | """Start the instance.
|
3074 | a8083063 | Iustin Pop |
|
3075 | a8083063 | Iustin Pop | """
|
3076 | a8083063 | Iustin Pop | instance = self.instance
|
3077 | a8083063 | Iustin Pop | force = self.op.force
|
3078 | a8083063 | Iustin Pop | |
3079 | fe482621 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
3080 | fe482621 | Iustin Pop | |
3081 | a8083063 | Iustin Pop | node_current = instance.primary_node |
3082 | a8083063 | Iustin Pop | |
3083 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, force)
|
3084 | a8083063 | Iustin Pop | |
3085 | d04aaa2f | Iustin Pop | result = self.rpc.call_instance_start(node_current, instance,
|
3086 | d04aaa2f | Iustin Pop | self.hvparams, self.beparams) |
3087 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3088 | dd279568 | Iustin Pop | if msg:
|
3089 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3090 | dd279568 | Iustin Pop | raise errors.OpExecError("Could not start instance: %s" % msg) |
3091 | a8083063 | Iustin Pop | |
3092 | a8083063 | Iustin Pop | |
3093 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
3094 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
3095 | bf6929a2 | Alexander Schreiber |
|
3096 | bf6929a2 | Alexander Schreiber | """
|
3097 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
3098 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
3099 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
3100 | e873317a | Guido Trotter | REQ_BGL = False
|
3101 | e873317a | Guido Trotter | |
3102 | e873317a | Guido Trotter | def ExpandNames(self): |
3103 | 0fcc5db3 | Guido Trotter | if self.op.reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
3104 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
3105 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL]: |
3106 | 0fcc5db3 | Guido Trotter | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
3107 | 0fcc5db3 | Guido Trotter | (constants.INSTANCE_REBOOT_SOFT, |
3108 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
3109 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL)) |
3110 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
3111 | bf6929a2 | Alexander Schreiber | |
3112 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
3113 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
3114 | bf6929a2 | Alexander Schreiber |
|
3115 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
3116 | bf6929a2 | Alexander Schreiber |
|
3117 | bf6929a2 | Alexander Schreiber | """
|
3118 | bf6929a2 | Alexander Schreiber | env = { |
3119 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
3120 | 2c2690c9 | Iustin Pop | "REBOOT_TYPE": self.op.reboot_type, |
3121 | bf6929a2 | Alexander Schreiber | } |
3122 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
3123 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3124 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
3125 | bf6929a2 | Alexander Schreiber | |
3126 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
3127 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
3128 | bf6929a2 | Alexander Schreiber |
|
3129 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
3130 | bf6929a2 | Alexander Schreiber |
|
3131 | bf6929a2 | Alexander Schreiber | """
|
3132 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3133 | e873317a | Guido Trotter | assert self.instance is not None, \ |
3134 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3135 | bf6929a2 | Alexander Schreiber | |
3136 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
3137 | 7527a8a4 | Iustin Pop | |
3138 | 5bbd3f7f | Michael Hanselmann | # check bridges existence
|
3139 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
3140 | bf6929a2 | Alexander Schreiber | |
3141 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
3142 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
3143 | bf6929a2 | Alexander Schreiber |
|
3144 | bf6929a2 | Alexander Schreiber | """
|
3145 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
3146 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
3147 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
3148 | bf6929a2 | Alexander Schreiber | |
3149 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
3150 | bf6929a2 | Alexander Schreiber | |
3151 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
3152 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
3153 | ae48ac32 | Iustin Pop | for disk in instance.disks: |
3154 | ae48ac32 | Iustin Pop | self.cfg.SetDiskID(disk, node_current)
|
3155 | 781de953 | Iustin Pop | result = self.rpc.call_instance_reboot(node_current, instance,
|
3156 | 07813a9e | Iustin Pop | reboot_type) |
3157 | 4c4e4e1e | Iustin Pop | result.Raise("Could not reboot instance")
|
3158 | bf6929a2 | Alexander Schreiber | else:
|
3159 | 1fae010f | Iustin Pop | result = self.rpc.call_instance_shutdown(node_current, instance)
|
3160 | 4c4e4e1e | Iustin Pop | result.Raise("Could not shutdown instance for full reboot")
|
3161 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3162 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, ignore_secondaries)
|
3163 | 0eca8e0c | Iustin Pop | result = self.rpc.call_instance_start(node_current, instance, None, None) |
3164 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3165 | dd279568 | Iustin Pop | if msg:
|
3166 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3167 | dd279568 | Iustin Pop | raise errors.OpExecError("Could not start instance for" |
3168 | dd279568 | Iustin Pop | " full reboot: %s" % msg)
|
3169 | bf6929a2 | Alexander Schreiber | |
3170 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
3171 | bf6929a2 | Alexander Schreiber | |
3172 | bf6929a2 | Alexander Schreiber | |
3173 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
3174 | a8083063 | Iustin Pop | """Shutdown an instance.
|
3175 | a8083063 | Iustin Pop |
|
3176 | a8083063 | Iustin Pop | """
|
3177 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
3178 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3179 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3180 | e873317a | Guido Trotter | REQ_BGL = False
|
3181 | e873317a | Guido Trotter | |
3182 | e873317a | Guido Trotter | def ExpandNames(self): |
3183 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
3184 | a8083063 | Iustin Pop | |
3185 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3186 | a8083063 | Iustin Pop | """Build hooks env.
|
3187 | a8083063 | Iustin Pop |
|
3188 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3189 | a8083063 | Iustin Pop |
|
3190 | a8083063 | Iustin Pop | """
|
3191 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
3192 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3193 | a8083063 | Iustin Pop | return env, nl, nl
|
3194 | a8083063 | Iustin Pop | |
3195 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3196 | a8083063 | Iustin Pop | """Check prerequisites.
|
3197 | a8083063 | Iustin Pop |
|
3198 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3199 | a8083063 | Iustin Pop |
|
3200 | a8083063 | Iustin Pop | """
|
3201 | e873317a | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3202 | e873317a | Guido Trotter | assert self.instance is not None, \ |
3203 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3204 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
3205 | a8083063 | Iustin Pop | |
3206 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3207 | a8083063 | Iustin Pop | """Shutdown the instance.
|
3208 | a8083063 | Iustin Pop |
|
3209 | a8083063 | Iustin Pop | """
|
3210 | a8083063 | Iustin Pop | instance = self.instance
|
3211 | a8083063 | Iustin Pop | node_current = instance.primary_node |
3212 | fe482621 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
3213 | 781de953 | Iustin Pop | result = self.rpc.call_instance_shutdown(node_current, instance)
|
3214 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3215 | 1fae010f | Iustin Pop | if msg:
|
3216 | 1fae010f | Iustin Pop | self.proc.LogWarning("Could not shutdown instance: %s" % msg) |
3217 | a8083063 | Iustin Pop | |
3218 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3219 | a8083063 | Iustin Pop | |
3220 | a8083063 | Iustin Pop | |
3221 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
3222 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
3223 | fe7b0351 | Michael Hanselmann |
|
3224 | fe7b0351 | Michael Hanselmann | """
|
3225 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
3226 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
3227 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
3228 | 4e0b4d2d | Guido Trotter | REQ_BGL = False
|
3229 | 4e0b4d2d | Guido Trotter | |
3230 | 4e0b4d2d | Guido Trotter | def ExpandNames(self): |
3231 | 4e0b4d2d | Guido Trotter | self._ExpandAndLockInstance()
|
3232 | fe7b0351 | Michael Hanselmann | |
3233 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
3234 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
3235 | fe7b0351 | Michael Hanselmann |
|
3236 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
3237 | fe7b0351 | Michael Hanselmann |
|
3238 | fe7b0351 | Michael Hanselmann | """
|
3239 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
3240 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3241 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
3242 | fe7b0351 | Michael Hanselmann | |
3243 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
3244 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
3245 | fe7b0351 | Michael Hanselmann |
|
3246 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
3247 | fe7b0351 | Michael Hanselmann |
|
3248 | fe7b0351 | Michael Hanselmann | """
|
3249 | 4e0b4d2d | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3250 | 4e0b4d2d | Guido Trotter | assert instance is not None, \ |
3251 | 4e0b4d2d | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3252 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
3253 | 4e0b4d2d | Guido Trotter | |
3254 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
3255 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
3256 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3257 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
3258 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
3259 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3260 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
3261 | 72737a7f | Iustin Pop | instance.name, |
3262 | 72737a7f | Iustin Pop | instance.hypervisor) |
3263 | 4c4e4e1e | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node,
|
3264 | 4c4e4e1e | Iustin Pop | prereq=True)
|
3265 | 7ad1af4a | Iustin Pop | if remote_info.payload:
|
3266 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
3267 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
3268 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
3269 | d0834de3 | Michael Hanselmann | |
3270 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
3271 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
3272 | d0834de3 | Michael Hanselmann | # OS verification
|
3273 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
3274 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
3275 | d0834de3 | Michael Hanselmann | if pnode is None: |
3276 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
3277 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
3278 | 781de953 | Iustin Pop | result = self.rpc.call_os_get(pnode.name, self.op.os_type) |
3279 | 4c4e4e1e | Iustin Pop | result.Raise("OS '%s' not in supported OS list for primary node %s" %
|
3280 | 4c4e4e1e | Iustin Pop | (self.op.os_type, pnode.name), prereq=True) |
3281 | d0834de3 | Michael Hanselmann | |
3282 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
3283 | fe7b0351 | Michael Hanselmann | |
3284 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
3285 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
3286 | fe7b0351 | Michael Hanselmann |
|
3287 | fe7b0351 | Michael Hanselmann | """
|
3288 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
3289 | fe7b0351 | Michael Hanselmann | |
3290 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
3291 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
3292 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
3293 | 97abc79f | Iustin Pop | self.cfg.Update(inst)
|
3294 | d0834de3 | Michael Hanselmann | |
3295 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
3296 | fe7b0351 | Michael Hanselmann | try:
|
3297 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
3298 | e557bae9 | Guido Trotter | result = self.rpc.call_instance_os_add(inst.primary_node, inst, True) |
3299 | 4c4e4e1e | Iustin Pop | result.Raise("Could not install OS for instance %s on node %s" %
|
3300 | 4c4e4e1e | Iustin Pop | (inst.name, inst.primary_node)) |
3301 | fe7b0351 | Michael Hanselmann | finally:
|
3302 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
3303 | fe7b0351 | Michael Hanselmann | |
3304 | fe7b0351 | Michael Hanselmann | |
3305 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
3306 | decd5f45 | Iustin Pop | """Rename an instance.
|
3307 | decd5f45 | Iustin Pop |
|
3308 | decd5f45 | Iustin Pop | """
|
3309 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
3310 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3311 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
3312 | decd5f45 | Iustin Pop | |
3313 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
3314 | decd5f45 | Iustin Pop | """Build hooks env.
|
3315 | decd5f45 | Iustin Pop |
|
3316 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3317 | decd5f45 | Iustin Pop |
|
3318 | decd5f45 | Iustin Pop | """
|
3319 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
3320 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
3321 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
3322 | decd5f45 | Iustin Pop | return env, nl, nl
|
3323 | decd5f45 | Iustin Pop | |
3324 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
3325 | decd5f45 | Iustin Pop | """Check prerequisites.
|
3326 | decd5f45 | Iustin Pop |
|
3327 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
3328 | decd5f45 | Iustin Pop |
|
3329 | decd5f45 | Iustin Pop | """
|
3330 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3331 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3332 | decd5f45 | Iustin Pop | if instance is None: |
3333 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3334 | decd5f45 | Iustin Pop | self.op.instance_name)
|
3335 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
3336 | 7527a8a4 | Iustin Pop | |
3337 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
3338 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
3339 | decd5f45 | Iustin Pop | self.op.instance_name)
|
3340 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
3341 | 72737a7f | Iustin Pop | instance.name, |
3342 | 72737a7f | Iustin Pop | instance.hypervisor) |
3343 | 4c4e4e1e | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node,
|
3344 | 4c4e4e1e | Iustin Pop | prereq=True)
|
3345 | 7ad1af4a | Iustin Pop | if remote_info.payload:
|
3346 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
3347 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
3348 | decd5f45 | Iustin Pop | instance.primary_node)) |
3349 | decd5f45 | Iustin Pop | self.instance = instance
|
3350 | decd5f45 | Iustin Pop | |
3351 | decd5f45 | Iustin Pop | # new name verification
|
3352 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
3353 | decd5f45 | Iustin Pop | |
3354 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
3355 | 7bde3275 | Guido Trotter | instance_list = self.cfg.GetInstanceList()
|
3356 | 7bde3275 | Guido Trotter | if new_name in instance_list: |
3357 | 7bde3275 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
3358 | c09f363f | Manuel Franceschini | new_name) |
3359 | 7bde3275 | Guido Trotter | |
3360 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
3361 | 937f983d | Guido Trotter | if utils.TcpPing(name_info.ip, constants.DEFAULT_NODED_PORT):
|
3362 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
3363 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
3364 | decd5f45 | Iustin Pop | |
3365 | decd5f45 | Iustin Pop | |
3366 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
3367 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
3368 | decd5f45 | Iustin Pop |
|
3369 | decd5f45 | Iustin Pop | """
|
3370 | decd5f45 | Iustin Pop | inst = self.instance
|
3371 | decd5f45 | Iustin Pop | old_name = inst.name |
3372 | decd5f45 | Iustin Pop | |
3373 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
3374 | b23c4333 | Manuel Franceschini | old_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
3375 | b23c4333 | Manuel Franceschini | |
3376 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
3377 | 74b5913f | Guido Trotter | # Change the instance lock. This is definitely safe while we hold the BGL
|
3378 | cb4e8387 | Iustin Pop | self.context.glm.remove(locking.LEVEL_INSTANCE, old_name)
|
3379 | 74b5913f | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, self.op.new_name) |
3380 | decd5f45 | Iustin Pop | |
3381 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
3382 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
3383 | decd5f45 | Iustin Pop | |
3384 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
3385 | b23c4333 | Manuel Franceschini | new_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
3386 | 72737a7f | Iustin Pop | result = self.rpc.call_file_storage_dir_rename(inst.primary_node,
|
3387 | 72737a7f | Iustin Pop | old_file_storage_dir, |
3388 | 72737a7f | Iustin Pop | new_file_storage_dir) |
3389 | 4c4e4e1e | Iustin Pop | result.Raise("Could not rename on node %s directory '%s' to '%s'"
|
3390 | 4c4e4e1e | Iustin Pop | " (but the instance has been renamed in Ganeti)" %
|
3391 | 4c4e4e1e | Iustin Pop | (inst.primary_node, old_file_storage_dir, |
3392 | 4c4e4e1e | Iustin Pop | new_file_storage_dir)) |
3393 | b23c4333 | Manuel Franceschini | |
3394 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
3395 | decd5f45 | Iustin Pop | try:
|
3396 | 781de953 | Iustin Pop | result = self.rpc.call_instance_run_rename(inst.primary_node, inst,
|
3397 | 781de953 | Iustin Pop | old_name) |
3398 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3399 | 96841384 | Iustin Pop | if msg:
|
3400 | 6291574d | Alexander Schreiber | msg = ("Could not run OS rename script for instance %s on node %s"
|
3401 | 96841384 | Iustin Pop | " (but the instance has been renamed in Ganeti): %s" %
|
3402 | 96841384 | Iustin Pop | (inst.name, inst.primary_node, msg)) |
3403 | 86d9d3bb | Iustin Pop | self.proc.LogWarning(msg)
|
3404 | decd5f45 | Iustin Pop | finally:
|
3405 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
3406 | decd5f45 | Iustin Pop | |
3407 | decd5f45 | Iustin Pop | |
3408 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
3409 | a8083063 | Iustin Pop | """Remove an instance.
|
3410 | a8083063 | Iustin Pop |
|
3411 | a8083063 | Iustin Pop | """
|
3412 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
3413 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3414 | 5c54b832 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_failures"] |
3415 | cf472233 | Guido Trotter | REQ_BGL = False
|
3416 | cf472233 | Guido Trotter | |
3417 | cf472233 | Guido Trotter | def ExpandNames(self): |
3418 | cf472233 | Guido Trotter | self._ExpandAndLockInstance()
|
3419 | cf472233 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
3420 | cf472233 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3421 | cf472233 | Guido Trotter | |
3422 | cf472233 | Guido Trotter | def DeclareLocks(self, level): |
3423 | cf472233 | Guido Trotter | if level == locking.LEVEL_NODE:
|
3424 | cf472233 | Guido Trotter | self._LockInstancesNodes()
|
3425 | a8083063 | Iustin Pop | |
3426 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3427 | a8083063 | Iustin Pop | """Build hooks env.
|
3428 | a8083063 | Iustin Pop |
|
3429 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3430 | a8083063 | Iustin Pop |
|
3431 | a8083063 | Iustin Pop | """
|
3432 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
3433 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()]
|
3434 | a8083063 | Iustin Pop | return env, nl, nl
|
3435 | a8083063 | Iustin Pop | |
3436 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3437 | a8083063 | Iustin Pop | """Check prerequisites.
|
3438 | a8083063 | Iustin Pop |
|
3439 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3440 | a8083063 | Iustin Pop |
|
3441 | a8083063 | Iustin Pop | """
|
3442 | cf472233 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3443 | cf472233 | Guido Trotter | assert self.instance is not None, \ |
3444 | cf472233 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3445 | a8083063 | Iustin Pop | |
3446 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3447 | a8083063 | Iustin Pop | """Remove the instance.
|
3448 | a8083063 | Iustin Pop |
|
3449 | a8083063 | Iustin Pop | """
|
3450 | a8083063 | Iustin Pop | instance = self.instance
|
3451 | 9a4f63d1 | Iustin Pop | logging.info("Shutting down instance %s on node %s",
|
3452 | 9a4f63d1 | Iustin Pop | instance.name, instance.primary_node) |
3453 | a8083063 | Iustin Pop | |
3454 | 781de953 | Iustin Pop | result = self.rpc.call_instance_shutdown(instance.primary_node, instance)
|
3455 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3456 | 1fae010f | Iustin Pop | if msg:
|
3457 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
3458 | 1fae010f | Iustin Pop | feedback_fn("Warning: can't shutdown instance: %s" % msg)
|
3459 | 1d67656e | Iustin Pop | else:
|
3460 | 1fae010f | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on" |
3461 | 1fae010f | Iustin Pop | " node %s: %s" %
|
3462 | 1fae010f | Iustin Pop | (instance.name, instance.primary_node, msg)) |
3463 | a8083063 | Iustin Pop | |
3464 | 9a4f63d1 | Iustin Pop | logging.info("Removing block devices for instance %s", instance.name)
|
3465 | a8083063 | Iustin Pop | |
3466 | b9bddb6b | Iustin Pop | if not _RemoveDisks(self, instance): |
3467 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
3468 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
3469 | 1d67656e | Iustin Pop | else:
|
3470 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
3471 | a8083063 | Iustin Pop | |
3472 | 9a4f63d1 | Iustin Pop | logging.info("Removing instance %s out of cluster config", instance.name)
|
3473 | a8083063 | Iustin Pop | |
3474 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
3475 | cf472233 | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = instance.name
|
3476 | a8083063 | Iustin Pop | |
3477 | a8083063 | Iustin Pop | |
3478 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
3479 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
3480 | a8083063 | Iustin Pop |
|
3481 | a8083063 | Iustin Pop | """
|
3482 | ec79568d | Iustin Pop | _OP_REQP = ["output_fields", "names", "use_locking"] |
3483 | 7eb9d8f7 | Guido Trotter | REQ_BGL = False
|
3484 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet(*["name", "os", "pnode", "snodes", |
3485 | 5b460366 | Iustin Pop | "admin_state",
|
3486 | a2d2e1a7 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
3487 | 638c6349 | Guido Trotter | "nic_mode", "nic_link", |
3488 | a2d2e1a7 | Iustin Pop | "sda_size", "sdb_size", "vcpus", "tags", |
3489 | a2d2e1a7 | Iustin Pop | "network_port", "beparams", |
3490 | 8aec325c | Iustin Pop | r"(disk)\.(size)/([0-9]+)",
|
3491 | 8aec325c | Iustin Pop | r"(disk)\.(sizes)", "disk_usage", |
3492 | 638c6349 | Guido Trotter | r"(nic)\.(mac|ip|mode|link)/([0-9]+)",
|
3493 | 638c6349 | Guido Trotter | r"(nic)\.(bridge)/([0-9]+)",
|
3494 | 638c6349 | Guido Trotter | r"(nic)\.(macs|ips|modes|links|bridges)",
|
3495 | 8aec325c | Iustin Pop | r"(disk|nic)\.(count)",
|
3496 | a2d2e1a7 | Iustin Pop | "serial_no", "hypervisor", "hvparams",] + |
3497 | a2d2e1a7 | Iustin Pop | ["hv/%s" % name
|
3498 | a2d2e1a7 | Iustin Pop | for name in constants.HVS_PARAMETERS] + |
3499 | a2d2e1a7 | Iustin Pop | ["be/%s" % name
|
3500 | a2d2e1a7 | Iustin Pop | for name in constants.BES_PARAMETERS]) |
3501 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("oper_state", "oper_ram", "status") |
3502 | 31bf511f | Iustin Pop | |
3503 | a8083063 | Iustin Pop | |
3504 | 7eb9d8f7 | Guido Trotter | def ExpandNames(self): |
3505 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
3506 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
3507 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
3508 | a8083063 | Iustin Pop | |
3509 | 7eb9d8f7 | Guido Trotter | self.needed_locks = {}
|
3510 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
3511 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
3512 | 7eb9d8f7 | Guido Trotter | |
3513 | 57a2fb91 | Iustin Pop | if self.op.names: |
3514 | 57a2fb91 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
3515 | 7eb9d8f7 | Guido Trotter | else:
|
3516 | 57a2fb91 | Iustin Pop | self.wanted = locking.ALL_SET
|
3517 | 7eb9d8f7 | Guido Trotter | |
3518 | ec79568d | Iustin Pop | self.do_node_query = self._FIELDS_STATIC.NonMatching(self.op.output_fields) |
3519 | ec79568d | Iustin Pop | self.do_locking = self.do_node_query and self.op.use_locking |
3520 | 57a2fb91 | Iustin Pop | if self.do_locking: |
3521 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted |
3522 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
3523 | 57a2fb91 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3524 | 7eb9d8f7 | Guido Trotter | |
3525 | 7eb9d8f7 | Guido Trotter | def DeclareLocks(self, level): |
3526 | 57a2fb91 | Iustin Pop | if level == locking.LEVEL_NODE and self.do_locking: |
3527 | 7eb9d8f7 | Guido Trotter | self._LockInstancesNodes()
|
3528 | 7eb9d8f7 | Guido Trotter | |
3529 | 7eb9d8f7 | Guido Trotter | def CheckPrereq(self): |
3530 | 7eb9d8f7 | Guido Trotter | """Check prerequisites.
|
3531 | 7eb9d8f7 | Guido Trotter |
|
3532 | 7eb9d8f7 | Guido Trotter | """
|
3533 | 57a2fb91 | Iustin Pop | pass
|
3534 | 069dcc86 | Iustin Pop | |
3535 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3536 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
3537 | a8083063 | Iustin Pop |
|
3538 | a8083063 | Iustin Pop | """
|
3539 | 57a2fb91 | Iustin Pop | all_info = self.cfg.GetAllInstancesInfo()
|
3540 | a7f5dc98 | Iustin Pop | if self.wanted == locking.ALL_SET: |
3541 | a7f5dc98 | Iustin Pop | # caller didn't specify instance names, so ordering is not important
|
3542 | a7f5dc98 | Iustin Pop | if self.do_locking: |
3543 | a7f5dc98 | Iustin Pop | instance_names = self.acquired_locks[locking.LEVEL_INSTANCE]
|
3544 | a7f5dc98 | Iustin Pop | else:
|
3545 | a7f5dc98 | Iustin Pop | instance_names = all_info.keys() |
3546 | a7f5dc98 | Iustin Pop | instance_names = utils.NiceSort(instance_names) |
3547 | 57a2fb91 | Iustin Pop | else:
|
3548 | a7f5dc98 | Iustin Pop | # caller did specify names, so we must keep the ordering
|
3549 | a7f5dc98 | Iustin Pop | if self.do_locking: |
3550 | a7f5dc98 | Iustin Pop | tgt_set = self.acquired_locks[locking.LEVEL_INSTANCE]
|
3551 | a7f5dc98 | Iustin Pop | else:
|
3552 | a7f5dc98 | Iustin Pop | tgt_set = all_info.keys() |
3553 | a7f5dc98 | Iustin Pop | missing = set(self.wanted).difference(tgt_set) |
3554 | a7f5dc98 | Iustin Pop | if missing:
|
3555 | a7f5dc98 | Iustin Pop | raise errors.OpExecError("Some instances were removed before" |
3556 | a7f5dc98 | Iustin Pop | " retrieving their data: %s" % missing)
|
3557 | a7f5dc98 | Iustin Pop | instance_names = self.wanted
|
3558 | c1f1cbb2 | Iustin Pop | |
3559 | 57a2fb91 | Iustin Pop | instance_list = [all_info[iname] for iname in instance_names] |
3560 | a8083063 | Iustin Pop | |
3561 | a8083063 | Iustin Pop | # begin data gathering
|
3562 | a8083063 | Iustin Pop | |
3563 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
3564 | e69d05fd | Iustin Pop | hv_list = list(set([inst.hypervisor for inst in instance_list])) |
3565 | a8083063 | Iustin Pop | |
3566 | a8083063 | Iustin Pop | bad_nodes = [] |
3567 | cbfc4681 | Iustin Pop | off_nodes = [] |
3568 | ec79568d | Iustin Pop | if self.do_node_query: |
3569 | a8083063 | Iustin Pop | live_data = {} |
3570 | 72737a7f | Iustin Pop | node_data = self.rpc.call_all_instances_info(nodes, hv_list)
|
3571 | a8083063 | Iustin Pop | for name in nodes: |
3572 | a8083063 | Iustin Pop | result = node_data[name] |
3573 | cbfc4681 | Iustin Pop | if result.offline:
|
3574 | cbfc4681 | Iustin Pop | # offline nodes will be in both lists
|
3575 | cbfc4681 | Iustin Pop | off_nodes.append(name) |
3576 | 4c4e4e1e | Iustin Pop | if result.failed or result.fail_msg: |
3577 | a8083063 | Iustin Pop | bad_nodes.append(name) |
3578 | 781de953 | Iustin Pop | else:
|
3579 | 2fa74ef4 | Iustin Pop | if result.payload:
|
3580 | 2fa74ef4 | Iustin Pop | live_data.update(result.payload) |
3581 | 2fa74ef4 | Iustin Pop | # else no instance is alive
|
3582 | a8083063 | Iustin Pop | else:
|
3583 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
3584 | a8083063 | Iustin Pop | |
3585 | a8083063 | Iustin Pop | # end data gathering
|
3586 | a8083063 | Iustin Pop | |
3587 | 5018a335 | Iustin Pop | HVPREFIX = "hv/"
|
3588 | 338e51e8 | Iustin Pop | BEPREFIX = "be/"
|
3589 | a8083063 | Iustin Pop | output = [] |
3590 | 638c6349 | Guido Trotter | cluster = self.cfg.GetClusterInfo()
|
3591 | a8083063 | Iustin Pop | for instance in instance_list: |
3592 | a8083063 | Iustin Pop | iout = [] |
3593 | 638c6349 | Guido Trotter | i_hv = cluster.FillHV(instance) |
3594 | 638c6349 | Guido Trotter | i_be = cluster.FillBE(instance) |
3595 | 638c6349 | Guido Trotter | i_nicp = [objects.FillDict(cluster.nicparams[constants.PP_DEFAULT], |
3596 | 638c6349 | Guido Trotter | nic.nicparams) for nic in instance.nics] |
3597 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
3598 | 71c1af58 | Iustin Pop | st_match = self._FIELDS_STATIC.Matches(field)
|
3599 | a8083063 | Iustin Pop | if field == "name": |
3600 | a8083063 | Iustin Pop | val = instance.name |
3601 | a8083063 | Iustin Pop | elif field == "os": |
3602 | a8083063 | Iustin Pop | val = instance.os |
3603 | a8083063 | Iustin Pop | elif field == "pnode": |
3604 | a8083063 | Iustin Pop | val = instance.primary_node |
3605 | a8083063 | Iustin Pop | elif field == "snodes": |
3606 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
3607 | a8083063 | Iustin Pop | elif field == "admin_state": |
3608 | 0d68c45d | Iustin Pop | val = instance.admin_up |
3609 | a8083063 | Iustin Pop | elif field == "oper_state": |
3610 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
3611 | 8a23d2d3 | Iustin Pop | val = None
|
3612 | a8083063 | Iustin Pop | else:
|
3613 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
3614 | d8052456 | Iustin Pop | elif field == "status": |
3615 | cbfc4681 | Iustin Pop | if instance.primary_node in off_nodes: |
3616 | cbfc4681 | Iustin Pop | val = "ERROR_nodeoffline"
|
3617 | cbfc4681 | Iustin Pop | elif instance.primary_node in bad_nodes: |
3618 | d8052456 | Iustin Pop | val = "ERROR_nodedown"
|
3619 | d8052456 | Iustin Pop | else:
|
3620 | d8052456 | Iustin Pop | running = bool(live_data.get(instance.name))
|
3621 | d8052456 | Iustin Pop | if running:
|
3622 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
3623 | d8052456 | Iustin Pop | val = "running"
|
3624 | d8052456 | Iustin Pop | else:
|
3625 | d8052456 | Iustin Pop | val = "ERROR_up"
|
3626 | d8052456 | Iustin Pop | else:
|
3627 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
3628 | d8052456 | Iustin Pop | val = "ERROR_down"
|
3629 | d8052456 | Iustin Pop | else:
|
3630 | d8052456 | Iustin Pop | val = "ADMIN_down"
|
3631 | a8083063 | Iustin Pop | elif field == "oper_ram": |
3632 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
3633 | 8a23d2d3 | Iustin Pop | val = None
|
3634 | a8083063 | Iustin Pop | elif instance.name in live_data: |
3635 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
3636 | a8083063 | Iustin Pop | else:
|
3637 | a8083063 | Iustin Pop | val = "-"
|
3638 | c1ce76bb | Iustin Pop | elif field == "vcpus": |
3639 | c1ce76bb | Iustin Pop | val = i_be[constants.BE_VCPUS] |
3640 | a8083063 | Iustin Pop | elif field == "disk_template": |
3641 | a8083063 | Iustin Pop | val = instance.disk_template |
3642 | a8083063 | Iustin Pop | elif field == "ip": |
3643 | 39a02558 | Guido Trotter | if instance.nics:
|
3644 | 39a02558 | Guido Trotter | val = instance.nics[0].ip
|
3645 | 39a02558 | Guido Trotter | else:
|
3646 | 39a02558 | Guido Trotter | val = None
|
3647 | 638c6349 | Guido Trotter | elif field == "nic_mode": |
3648 | 638c6349 | Guido Trotter | if instance.nics:
|
3649 | 638c6349 | Guido Trotter | val = i_nicp[0][constants.NIC_MODE]
|
3650 | 638c6349 | Guido Trotter | else:
|
3651 | 638c6349 | Guido Trotter | val = None
|
3652 | 638c6349 | Guido Trotter | elif field == "nic_link": |
3653 | 39a02558 | Guido Trotter | if instance.nics:
|
3654 | 638c6349 | Guido Trotter | val = i_nicp[0][constants.NIC_LINK]
|
3655 | 638c6349 | Guido Trotter | else:
|
3656 | 638c6349 | Guido Trotter | val = None
|
3657 | 638c6349 | Guido Trotter | elif field == "bridge": |
3658 | 638c6349 | Guido Trotter | if (instance.nics and |
3659 | 638c6349 | Guido Trotter | i_nicp[0][constants.NIC_MODE] == constants.NIC_MODE_BRIDGED):
|
3660 | 638c6349 | Guido Trotter | val = i_nicp[0][constants.NIC_LINK]
|
3661 | 39a02558 | Guido Trotter | else:
|
3662 | 39a02558 | Guido Trotter | val = None
|
3663 | a8083063 | Iustin Pop | elif field == "mac": |
3664 | 39a02558 | Guido Trotter | if instance.nics:
|
3665 | 39a02558 | Guido Trotter | val = instance.nics[0].mac
|
3666 | 39a02558 | Guido Trotter | else:
|
3667 | 39a02558 | Guido Trotter | val = None
|
3668 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
3669 | ad24e046 | Iustin Pop | idx = ord(field[2]) - ord('a') |
3670 | ad24e046 | Iustin Pop | try:
|
3671 | ad24e046 | Iustin Pop | val = instance.FindDisk(idx).size |
3672 | ad24e046 | Iustin Pop | except errors.OpPrereqError:
|
3673 | 8a23d2d3 | Iustin Pop | val = None
|
3674 | 024e157f | Iustin Pop | elif field == "disk_usage": # total disk usage per node |
3675 | 024e157f | Iustin Pop | disk_sizes = [{'size': disk.size} for disk in instance.disks] |
3676 | 024e157f | Iustin Pop | val = _ComputeDiskSize(instance.disk_template, disk_sizes) |
3677 | 130a6a6f | Iustin Pop | elif field == "tags": |
3678 | 130a6a6f | Iustin Pop | val = list(instance.GetTags())
|
3679 | 38d7239a | Iustin Pop | elif field == "serial_no": |
3680 | 38d7239a | Iustin Pop | val = instance.serial_no |
3681 | 5018a335 | Iustin Pop | elif field == "network_port": |
3682 | 5018a335 | Iustin Pop | val = instance.network_port |
3683 | 338e51e8 | Iustin Pop | elif field == "hypervisor": |
3684 | 338e51e8 | Iustin Pop | val = instance.hypervisor |
3685 | 338e51e8 | Iustin Pop | elif field == "hvparams": |
3686 | 338e51e8 | Iustin Pop | val = i_hv |
3687 | 5018a335 | Iustin Pop | elif (field.startswith(HVPREFIX) and |
3688 | 5018a335 | Iustin Pop | field[len(HVPREFIX):] in constants.HVS_PARAMETERS): |
3689 | 5018a335 | Iustin Pop | val = i_hv.get(field[len(HVPREFIX):], None) |
3690 | 338e51e8 | Iustin Pop | elif field == "beparams": |
3691 | 338e51e8 | Iustin Pop | val = i_be |
3692 | 338e51e8 | Iustin Pop | elif (field.startswith(BEPREFIX) and |
3693 | 338e51e8 | Iustin Pop | field[len(BEPREFIX):] in constants.BES_PARAMETERS): |
3694 | 338e51e8 | Iustin Pop | val = i_be.get(field[len(BEPREFIX):], None) |
3695 | 71c1af58 | Iustin Pop | elif st_match and st_match.groups(): |
3696 | 71c1af58 | Iustin Pop | # matches a variable list
|
3697 | 71c1af58 | Iustin Pop | st_groups = st_match.groups() |
3698 | 71c1af58 | Iustin Pop | if st_groups and st_groups[0] == "disk": |
3699 | 71c1af58 | Iustin Pop | if st_groups[1] == "count": |
3700 | 71c1af58 | Iustin Pop | val = len(instance.disks)
|
3701 | 41a776da | Iustin Pop | elif st_groups[1] == "sizes": |
3702 | 41a776da | Iustin Pop | val = [disk.size for disk in instance.disks] |
3703 | 71c1af58 | Iustin Pop | elif st_groups[1] == "size": |
3704 | 3e0cea06 | Iustin Pop | try:
|
3705 | 3e0cea06 | Iustin Pop | val = instance.FindDisk(st_groups[2]).size
|
3706 | 3e0cea06 | Iustin Pop | except errors.OpPrereqError:
|
3707 | 71c1af58 | Iustin Pop | val = None
|
3708 | 71c1af58 | Iustin Pop | else:
|
3709 | 71c1af58 | Iustin Pop | assert False, "Unhandled disk parameter" |
3710 | 71c1af58 | Iustin Pop | elif st_groups[0] == "nic": |
3711 | 71c1af58 | Iustin Pop | if st_groups[1] == "count": |
3712 | 71c1af58 | Iustin Pop | val = len(instance.nics)
|
3713 | 41a776da | Iustin Pop | elif st_groups[1] == "macs": |
3714 | 41a776da | Iustin Pop | val = [nic.mac for nic in instance.nics] |
3715 | 41a776da | Iustin Pop | elif st_groups[1] == "ips": |
3716 | 41a776da | Iustin Pop | val = [nic.ip for nic in instance.nics] |
3717 | 638c6349 | Guido Trotter | elif st_groups[1] == "modes": |
3718 | 638c6349 | Guido Trotter | val = [nicp[constants.NIC_MODE] for nicp in i_nicp] |
3719 | 638c6349 | Guido Trotter | elif st_groups[1] == "links": |
3720 | 638c6349 | Guido Trotter | val = [nicp[constants.NIC_LINK] for nicp in i_nicp] |
3721 | 41a776da | Iustin Pop | elif st_groups[1] == "bridges": |
3722 | 638c6349 | Guido Trotter | val = [] |
3723 | 638c6349 | Guido Trotter | for nicp in i_nicp: |
3724 | 638c6349 | Guido Trotter | if nicp[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
3725 | 638c6349 | Guido Trotter | val.append(nicp[constants.NIC_LINK]) |
3726 | 638c6349 | Guido Trotter | else:
|
3727 | 638c6349 | Guido Trotter | val.append(None)
|
3728 | 71c1af58 | Iustin Pop | else:
|
3729 | 71c1af58 | Iustin Pop | # index-based item
|
3730 | 71c1af58 | Iustin Pop | nic_idx = int(st_groups[2]) |
3731 | 71c1af58 | Iustin Pop | if nic_idx >= len(instance.nics): |
3732 | 71c1af58 | Iustin Pop | val = None
|
3733 | 71c1af58 | Iustin Pop | else:
|
3734 | 71c1af58 | Iustin Pop | if st_groups[1] == "mac": |
3735 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].mac |
3736 | 71c1af58 | Iustin Pop | elif st_groups[1] == "ip": |
3737 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].ip |
3738 | 638c6349 | Guido Trotter | elif st_groups[1] == "mode": |
3739 | 638c6349 | Guido Trotter | val = i_nicp[nic_idx][constants.NIC_MODE] |
3740 | 638c6349 | Guido Trotter | elif st_groups[1] == "link": |
3741 | 638c6349 | Guido Trotter | val = i_nicp[nic_idx][constants.NIC_LINK] |
3742 | 71c1af58 | Iustin Pop | elif st_groups[1] == "bridge": |
3743 | 638c6349 | Guido Trotter | nic_mode = i_nicp[nic_idx][constants.NIC_MODE] |
3744 | 638c6349 | Guido Trotter | if nic_mode == constants.NIC_MODE_BRIDGED:
|
3745 | 638c6349 | Guido Trotter | val = i_nicp[nic_idx][constants.NIC_LINK] |
3746 | 638c6349 | Guido Trotter | else:
|
3747 | 638c6349 | Guido Trotter | val = None
|
3748 | 71c1af58 | Iustin Pop | else:
|
3749 | 71c1af58 | Iustin Pop | assert False, "Unhandled NIC parameter" |
3750 | 71c1af58 | Iustin Pop | else:
|
3751 | c1ce76bb | Iustin Pop | assert False, ("Declared but unhandled variable parameter '%s'" % |
3752 | c1ce76bb | Iustin Pop | field) |
3753 | a8083063 | Iustin Pop | else:
|
3754 | c1ce76bb | Iustin Pop | assert False, "Declared but unhandled parameter '%s'" % field |
3755 | a8083063 | Iustin Pop | iout.append(val) |
3756 | a8083063 | Iustin Pop | output.append(iout) |
3757 | a8083063 | Iustin Pop | |
3758 | a8083063 | Iustin Pop | return output
|
3759 | a8083063 | Iustin Pop | |
3760 | a8083063 | Iustin Pop | |
3761 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
3762 | a8083063 | Iustin Pop | """Failover an instance.
|
3763 | a8083063 | Iustin Pop |
|
3764 | a8083063 | Iustin Pop | """
|
3765 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
3766 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3767 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
3768 | c9e5c064 | Guido Trotter | REQ_BGL = False
|
3769 | c9e5c064 | Guido Trotter | |
3770 | c9e5c064 | Guido Trotter | def ExpandNames(self): |
3771 | c9e5c064 | Guido Trotter | self._ExpandAndLockInstance()
|
3772 | c9e5c064 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
3773 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3774 | c9e5c064 | Guido Trotter | |
3775 | c9e5c064 | Guido Trotter | def DeclareLocks(self, level): |
3776 | c9e5c064 | Guido Trotter | if level == locking.LEVEL_NODE:
|
3777 | c9e5c064 | Guido Trotter | self._LockInstancesNodes()
|
3778 | a8083063 | Iustin Pop | |
3779 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3780 | a8083063 | Iustin Pop | """Build hooks env.
|
3781 | a8083063 | Iustin Pop |
|
3782 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3783 | a8083063 | Iustin Pop |
|
3784 | a8083063 | Iustin Pop | """
|
3785 | a8083063 | Iustin Pop | env = { |
3786 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
3787 | a8083063 | Iustin Pop | } |
3788 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
3789 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()] + list(self.instance.secondary_nodes) |
3790 | a8083063 | Iustin Pop | return env, nl, nl
|
3791 | a8083063 | Iustin Pop | |
3792 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3793 | a8083063 | Iustin Pop | """Check prerequisites.
|
3794 | a8083063 | Iustin Pop |
|
3795 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3796 | a8083063 | Iustin Pop |
|
3797 | a8083063 | Iustin Pop | """
|
3798 | c9e5c064 | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3799 | c9e5c064 | Guido Trotter | assert self.instance is not None, \ |
3800 | c9e5c064 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3801 | a8083063 | Iustin Pop | |
3802 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
3803 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
3804 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
3805 | a1f445d3 | Iustin Pop | " network mirrored, cannot failover.")
|
3806 | 2a710df1 | Michael Hanselmann | |
3807 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
3808 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
3809 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
3810 | abdf0113 | Iustin Pop | "a mirrored disk template")
|
3811 | 2a710df1 | Michael Hanselmann | |
3812 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
3813 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, target_node)
|
3814 | 733a2b6a | Iustin Pop | _CheckNodeNotDrained(self, target_node)
|
3815 | d27776f0 | Iustin Pop | if instance.admin_up:
|
3816 | d27776f0 | Iustin Pop | # check memory requirements on the secondary node
|
3817 | d27776f0 | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "failing over instance %s" % |
3818 | d27776f0 | Iustin Pop | instance.name, bep[constants.BE_MEMORY], |
3819 | d27776f0 | Iustin Pop | instance.hypervisor) |
3820 | d27776f0 | Iustin Pop | else:
|
3821 | d27776f0 | Iustin Pop | self.LogInfo("Not checking memory on the secondary node as" |
3822 | d27776f0 | Iustin Pop | " instance will not be started")
|
3823 | 3a7c308e | Guido Trotter | |
3824 | a8083063 | Iustin Pop | # check bridge existance
|
3825 | b165e77e | Guido Trotter | _CheckInstanceBridgesExist(self, instance, node=target_node)
|
3826 | a8083063 | Iustin Pop | |
3827 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3828 | a8083063 | Iustin Pop | """Failover an instance.
|
3829 | a8083063 | Iustin Pop |
|
3830 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
3831 | a8083063 | Iustin Pop | starting it on the secondary.
|
3832 | a8083063 | Iustin Pop |
|
3833 | a8083063 | Iustin Pop | """
|
3834 | a8083063 | Iustin Pop | instance = self.instance
|
3835 | a8083063 | Iustin Pop | |
3836 | a8083063 | Iustin Pop | source_node = instance.primary_node |
3837 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
3838 | a8083063 | Iustin Pop | |
3839 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
3840 | a8083063 | Iustin Pop | for dev in instance.disks: |
3841 | abdf0113 | Iustin Pop | # for drbd, these are drbd over lvm
|
3842 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, target_node, False): |
3843 | 0d68c45d | Iustin Pop | if instance.admin_up and not self.op.ignore_consistency: |
3844 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
3845 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
3846 | a8083063 | Iustin Pop | |
3847 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
3848 | 9a4f63d1 | Iustin Pop | logging.info("Shutting down instance %s on node %s",
|
3849 | 9a4f63d1 | Iustin Pop | instance.name, source_node) |
3850 | a8083063 | Iustin Pop | |
3851 | 781de953 | Iustin Pop | result = self.rpc.call_instance_shutdown(source_node, instance)
|
3852 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3853 | 1fae010f | Iustin Pop | if msg:
|
3854 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
3855 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Could not shutdown instance %s on node %s." |
3856 | 1fae010f | Iustin Pop | " Proceeding anyway. Please make sure node"
|
3857 | 1fae010f | Iustin Pop | " %s is down. Error details: %s",
|
3858 | 1fae010f | Iustin Pop | instance.name, source_node, source_node, msg) |
3859 | 24a40d57 | Iustin Pop | else:
|
3860 | 1fae010f | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on" |
3861 | 1fae010f | Iustin Pop | " node %s: %s" %
|
3862 | 1fae010f | Iustin Pop | (instance.name, source_node, msg)) |
3863 | a8083063 | Iustin Pop | |
3864 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
3865 | b9bddb6b | Iustin Pop | if not _ShutdownInstanceDisks(self, instance, ignore_primary=True): |
3866 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
3867 | a8083063 | Iustin Pop | |
3868 | a8083063 | Iustin Pop | instance.primary_node = target_node |
3869 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
3870 | b6102dab | Guido Trotter | self.cfg.Update(instance)
|
3871 | a8083063 | Iustin Pop | |
3872 | 12a0cfbe | Guido Trotter | # Only start the instance if it's marked as up
|
3873 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
3874 | 12a0cfbe | Guido Trotter | feedback_fn("* activating the instance's disks on target node")
|
3875 | 9a4f63d1 | Iustin Pop | logging.info("Starting instance %s on node %s",
|
3876 | 9a4f63d1 | Iustin Pop | instance.name, target_node) |
3877 | 12a0cfbe | Guido Trotter | |
3878 | 7c4d6c7b | Michael Hanselmann | disks_ok, _ = _AssembleInstanceDisks(self, instance,
|
3879 | 12a0cfbe | Guido Trotter | ignore_secondaries=True)
|
3880 | 12a0cfbe | Guido Trotter | if not disks_ok: |
3881 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3882 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Can't activate the instance's disks") |
3883 | a8083063 | Iustin Pop | |
3884 | 12a0cfbe | Guido Trotter | feedback_fn("* starting the instance on the target node")
|
3885 | 0eca8e0c | Iustin Pop | result = self.rpc.call_instance_start(target_node, instance, None, None) |
3886 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
3887 | dd279568 | Iustin Pop | if msg:
|
3888 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3889 | dd279568 | Iustin Pop | raise errors.OpExecError("Could not start instance %s on node %s: %s" % |
3890 | dd279568 | Iustin Pop | (instance.name, target_node, msg)) |
3891 | a8083063 | Iustin Pop | |
3892 | a8083063 | Iustin Pop | |
3893 | 53c776b5 | Iustin Pop | class LUMigrateInstance(LogicalUnit): |
3894 | 53c776b5 | Iustin Pop | """Migrate an instance.
|
3895 | 53c776b5 | Iustin Pop |
|
3896 | 53c776b5 | Iustin Pop | This is migration without shutting down, compared to the failover,
|
3897 | 53c776b5 | Iustin Pop | which is done with shutdown.
|
3898 | 53c776b5 | Iustin Pop |
|
3899 | 53c776b5 | Iustin Pop | """
|
3900 | 53c776b5 | Iustin Pop | HPATH = "instance-migrate"
|
3901 | 53c776b5 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3902 | 53c776b5 | Iustin Pop | _OP_REQP = ["instance_name", "live", "cleanup"] |
3903 | 53c776b5 | Iustin Pop | |
3904 | 53c776b5 | Iustin Pop | REQ_BGL = False
|
3905 | 53c776b5 | Iustin Pop | |
3906 | 53c776b5 | Iustin Pop | def ExpandNames(self): |
3907 | 53c776b5 | Iustin Pop | self._ExpandAndLockInstance()
|
3908 | 53c776b5 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
3909 | 53c776b5 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3910 | 53c776b5 | Iustin Pop | |
3911 | 53c776b5 | Iustin Pop | def DeclareLocks(self, level): |
3912 | 53c776b5 | Iustin Pop | if level == locking.LEVEL_NODE:
|
3913 | 53c776b5 | Iustin Pop | self._LockInstancesNodes()
|
3914 | 53c776b5 | Iustin Pop | |
3915 | 53c776b5 | Iustin Pop | def BuildHooksEnv(self): |
3916 | 53c776b5 | Iustin Pop | """Build hooks env.
|
3917 | 53c776b5 | Iustin Pop |
|
3918 | 53c776b5 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3919 | 53c776b5 | Iustin Pop |
|
3920 | 53c776b5 | Iustin Pop | """
|
3921 | 53c776b5 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
3922 | 2c2690c9 | Iustin Pop | env["MIGRATE_LIVE"] = self.op.live |
3923 | 2c2690c9 | Iustin Pop | env["MIGRATE_CLEANUP"] = self.op.cleanup |
3924 | 53c776b5 | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.secondary_nodes) |
3925 | 53c776b5 | Iustin Pop | return env, nl, nl
|
3926 | 53c776b5 | Iustin Pop | |
3927 | 53c776b5 | Iustin Pop | def CheckPrereq(self): |
3928 | 53c776b5 | Iustin Pop | """Check prerequisites.
|
3929 | 53c776b5 | Iustin Pop |
|
3930 | 53c776b5 | Iustin Pop | This checks that the instance is in the cluster.
|
3931 | 53c776b5 | Iustin Pop |
|
3932 | 53c776b5 | Iustin Pop | """
|
3933 | 53c776b5 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3934 | 53c776b5 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3935 | 53c776b5 | Iustin Pop | if instance is None: |
3936 | 53c776b5 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3937 | 53c776b5 | Iustin Pop | self.op.instance_name)
|
3938 | 53c776b5 | Iustin Pop | |
3939 | 53c776b5 | Iustin Pop | if instance.disk_template != constants.DT_DRBD8:
|
3940 | 53c776b5 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3941 | 53c776b5 | Iustin Pop | " drbd8, cannot migrate.")
|
3942 | 53c776b5 | Iustin Pop | |
3943 | 53c776b5 | Iustin Pop | secondary_nodes = instance.secondary_nodes |
3944 | 53c776b5 | Iustin Pop | if not secondary_nodes: |
3945 | 733a2b6a | Iustin Pop | raise errors.ConfigurationError("No secondary node but using" |
3946 | 733a2b6a | Iustin Pop | " drbd8 disk template")
|
3947 | 53c776b5 | Iustin Pop | |
3948 | 53c776b5 | Iustin Pop | i_be = self.cfg.GetClusterInfo().FillBE(instance)
|
3949 | 53c776b5 | Iustin Pop | |
3950 | 53c776b5 | Iustin Pop | target_node = secondary_nodes[0]
|
3951 | 53c776b5 | Iustin Pop | # check memory requirements on the secondary node
|
3952 | 53c776b5 | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "migrating instance %s" % |
3953 | 53c776b5 | Iustin Pop | instance.name, i_be[constants.BE_MEMORY], |
3954 | 53c776b5 | Iustin Pop | instance.hypervisor) |
3955 | 53c776b5 | Iustin Pop | |
3956 | 53c776b5 | Iustin Pop | # check bridge existance
|
3957 | b165e77e | Guido Trotter | _CheckInstanceBridgesExist(self, instance, node=target_node)
|
3958 | 53c776b5 | Iustin Pop | |
3959 | 53c776b5 | Iustin Pop | if not self.op.cleanup: |
3960 | 733a2b6a | Iustin Pop | _CheckNodeNotDrained(self, target_node)
|
3961 | 53c776b5 | Iustin Pop | result = self.rpc.call_instance_migratable(instance.primary_node,
|
3962 | 53c776b5 | Iustin Pop | instance) |
3963 | 4c4e4e1e | Iustin Pop | result.Raise("Can't migrate, please use failover", prereq=True) |
3964 | 53c776b5 | Iustin Pop | |
3965 | 53c776b5 | Iustin Pop | self.instance = instance
|
3966 | 53c776b5 | Iustin Pop | |
3967 | 53c776b5 | Iustin Pop | def _WaitUntilSync(self): |
3968 | 53c776b5 | Iustin Pop | """Poll with custom rpc for disk sync.
|
3969 | 53c776b5 | Iustin Pop |
|
3970 | 53c776b5 | Iustin Pop | This uses our own step-based rpc call.
|
3971 | 53c776b5 | Iustin Pop |
|
3972 | 53c776b5 | Iustin Pop | """
|
3973 | 53c776b5 | Iustin Pop | self.feedback_fn("* wait until resync is done") |
3974 | 53c776b5 | Iustin Pop | all_done = False
|
3975 | 53c776b5 | Iustin Pop | while not all_done: |
3976 | 53c776b5 | Iustin Pop | all_done = True
|
3977 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_wait_sync(self.all_nodes, |
3978 | 53c776b5 | Iustin Pop | self.nodes_ip,
|
3979 | 53c776b5 | Iustin Pop | self.instance.disks)
|
3980 | 53c776b5 | Iustin Pop | min_percent = 100
|
3981 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
3982 | 4c4e4e1e | Iustin Pop | nres.Raise("Cannot resync disks on node %s" % node)
|
3983 | 0959c824 | Iustin Pop | node_done, node_percent = nres.payload |
3984 | 53c776b5 | Iustin Pop | all_done = all_done and node_done
|
3985 | 53c776b5 | Iustin Pop | if node_percent is not None: |
3986 | 53c776b5 | Iustin Pop | min_percent = min(min_percent, node_percent)
|
3987 | 53c776b5 | Iustin Pop | if not all_done: |
3988 | 53c776b5 | Iustin Pop | if min_percent < 100: |
3989 | 53c776b5 | Iustin Pop | self.feedback_fn(" - progress: %.1f%%" % min_percent) |
3990 | 53c776b5 | Iustin Pop | time.sleep(2)
|
3991 | 53c776b5 | Iustin Pop | |
3992 | 53c776b5 | Iustin Pop | def _EnsureSecondary(self, node): |
3993 | 53c776b5 | Iustin Pop | """Demote a node to secondary.
|
3994 | 53c776b5 | Iustin Pop |
|
3995 | 53c776b5 | Iustin Pop | """
|
3996 | 53c776b5 | Iustin Pop | self.feedback_fn("* switching node %s to secondary mode" % node) |
3997 | 53c776b5 | Iustin Pop | |
3998 | 53c776b5 | Iustin Pop | for dev in self.instance.disks: |
3999 | 53c776b5 | Iustin Pop | self.cfg.SetDiskID(dev, node)
|
4000 | 53c776b5 | Iustin Pop | |
4001 | 53c776b5 | Iustin Pop | result = self.rpc.call_blockdev_close(node, self.instance.name, |
4002 | 53c776b5 | Iustin Pop | self.instance.disks)
|
4003 | 4c4e4e1e | Iustin Pop | result.Raise("Cannot change disk to secondary on node %s" % node)
|
4004 | 53c776b5 | Iustin Pop | |
4005 | 53c776b5 | Iustin Pop | def _GoStandalone(self): |
4006 | 53c776b5 | Iustin Pop | """Disconnect from the network.
|
4007 | 53c776b5 | Iustin Pop |
|
4008 | 53c776b5 | Iustin Pop | """
|
4009 | 53c776b5 | Iustin Pop | self.feedback_fn("* changing into standalone mode") |
4010 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_disconnect_net(self.all_nodes, self.nodes_ip, |
4011 | 53c776b5 | Iustin Pop | self.instance.disks)
|
4012 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
4013 | 4c4e4e1e | Iustin Pop | nres.Raise("Cannot disconnect disks node %s" % node)
|
4014 | 53c776b5 | Iustin Pop | |
4015 | 53c776b5 | Iustin Pop | def _GoReconnect(self, multimaster): |
4016 | 53c776b5 | Iustin Pop | """Reconnect to the network.
|
4017 | 53c776b5 | Iustin Pop |
|
4018 | 53c776b5 | Iustin Pop | """
|
4019 | 53c776b5 | Iustin Pop | if multimaster:
|
4020 | 53c776b5 | Iustin Pop | msg = "dual-master"
|
4021 | 53c776b5 | Iustin Pop | else:
|
4022 | 53c776b5 | Iustin Pop | msg = "single-master"
|
4023 | 53c776b5 | Iustin Pop | self.feedback_fn("* changing disks into %s mode" % msg) |
4024 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_attach_net(self.all_nodes, self.nodes_ip, |
4025 | 53c776b5 | Iustin Pop | self.instance.disks,
|
4026 | 53c776b5 | Iustin Pop | self.instance.name, multimaster)
|
4027 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
4028 | 4c4e4e1e | Iustin Pop | nres.Raise("Cannot change disks config on node %s" % node)
|
4029 | 53c776b5 | Iustin Pop | |
4030 | 53c776b5 | Iustin Pop | def _ExecCleanup(self): |
4031 | 53c776b5 | Iustin Pop | """Try to cleanup after a failed migration.
|
4032 | 53c776b5 | Iustin Pop |
|
4033 | 53c776b5 | Iustin Pop | The cleanup is done by:
|
4034 | 53c776b5 | Iustin Pop | - check that the instance is running only on one node
|
4035 | 53c776b5 | Iustin Pop | (and update the config if needed)
|
4036 | 53c776b5 | Iustin Pop | - change disks on its secondary node to secondary
|
4037 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized
|
4038 | 53c776b5 | Iustin Pop | - disconnect from the network
|
4039 | 53c776b5 | Iustin Pop | - change disks into single-master mode
|
4040 | 53c776b5 | Iustin Pop | - wait again until disks are fully synchronized
|
4041 | 53c776b5 | Iustin Pop |
|
4042 | 53c776b5 | Iustin Pop | """
|
4043 | 53c776b5 | Iustin Pop | instance = self.instance
|
4044 | 53c776b5 | Iustin Pop | target_node = self.target_node
|
4045 | 53c776b5 | Iustin Pop | source_node = self.source_node
|
4046 | 53c776b5 | Iustin Pop | |
4047 | 53c776b5 | Iustin Pop | # check running on only one node
|
4048 | 53c776b5 | Iustin Pop | self.feedback_fn("* checking where the instance actually runs" |
4049 | 53c776b5 | Iustin Pop | " (if this hangs, the hypervisor might be in"
|
4050 | 53c776b5 | Iustin Pop | " a bad state)")
|
4051 | 53c776b5 | Iustin Pop | ins_l = self.rpc.call_instance_list(self.all_nodes, [instance.hypervisor]) |
4052 | 53c776b5 | Iustin Pop | for node, result in ins_l.items(): |
4053 | 4c4e4e1e | Iustin Pop | result.Raise("Can't contact node %s" % node)
|
4054 | 53c776b5 | Iustin Pop | |
4055 | aca13712 | Iustin Pop | runningon_source = instance.name in ins_l[source_node].payload
|
4056 | aca13712 | Iustin Pop | runningon_target = instance.name in ins_l[target_node].payload
|
4057 | 53c776b5 | Iustin Pop | |
4058 | 53c776b5 | Iustin Pop | if runningon_source and runningon_target: |
4059 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Instance seems to be running on two nodes," |
4060 | 53c776b5 | Iustin Pop | " or the hypervisor is confused. You will have"
|
4061 | 53c776b5 | Iustin Pop | " to ensure manually that it runs only on one"
|
4062 | 53c776b5 | Iustin Pop | " and restart this operation.")
|
4063 | 53c776b5 | Iustin Pop | |
4064 | 53c776b5 | Iustin Pop | if not (runningon_source or runningon_target): |
4065 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Instance does not seem to be running at all." |
4066 | 53c776b5 | Iustin Pop | " In this case, it's safer to repair by"
|
4067 | 53c776b5 | Iustin Pop | " running 'gnt-instance stop' to ensure disk"
|
4068 | 53c776b5 | Iustin Pop | " shutdown, and then restarting it.")
|
4069 | 53c776b5 | Iustin Pop | |
4070 | 53c776b5 | Iustin Pop | if runningon_target:
|
4071 | 53c776b5 | Iustin Pop | # the migration has actually succeeded, we need to update the config
|
4072 | 53c776b5 | Iustin Pop | self.feedback_fn("* instance running on secondary node (%s)," |
4073 | 53c776b5 | Iustin Pop | " updating config" % target_node)
|
4074 | 53c776b5 | Iustin Pop | instance.primary_node = target_node |
4075 | 53c776b5 | Iustin Pop | self.cfg.Update(instance)
|
4076 | 53c776b5 | Iustin Pop | demoted_node = source_node |
4077 | 53c776b5 | Iustin Pop | else:
|
4078 | 53c776b5 | Iustin Pop | self.feedback_fn("* instance confirmed to be running on its" |
4079 | 53c776b5 | Iustin Pop | " primary node (%s)" % source_node)
|
4080 | 53c776b5 | Iustin Pop | demoted_node = target_node |
4081 | 53c776b5 | Iustin Pop | |
4082 | 53c776b5 | Iustin Pop | self._EnsureSecondary(demoted_node)
|
4083 | 53c776b5 | Iustin Pop | try:
|
4084 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
4085 | 53c776b5 | Iustin Pop | except errors.OpExecError:
|
4086 | 53c776b5 | Iustin Pop | # we ignore here errors, since if the device is standalone, it
|
4087 | 53c776b5 | Iustin Pop | # won't be able to sync
|
4088 | 53c776b5 | Iustin Pop | pass
|
4089 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
4090 | 53c776b5 | Iustin Pop | self._GoReconnect(False) |
4091 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
4092 | 53c776b5 | Iustin Pop | |
4093 | 53c776b5 | Iustin Pop | self.feedback_fn("* done") |
4094 | 53c776b5 | Iustin Pop | |
4095 | 6906a9d8 | Guido Trotter | def _RevertDiskStatus(self): |
4096 | 6906a9d8 | Guido Trotter | """Try to revert the disk status after a failed migration.
|
4097 | 6906a9d8 | Guido Trotter |
|
4098 | 6906a9d8 | Guido Trotter | """
|
4099 | 6906a9d8 | Guido Trotter | target_node = self.target_node
|
4100 | 6906a9d8 | Guido Trotter | try:
|
4101 | 6906a9d8 | Guido Trotter | self._EnsureSecondary(target_node)
|
4102 | 6906a9d8 | Guido Trotter | self._GoStandalone()
|
4103 | 6906a9d8 | Guido Trotter | self._GoReconnect(False) |
4104 | 6906a9d8 | Guido Trotter | self._WaitUntilSync()
|
4105 | 6906a9d8 | Guido Trotter | except errors.OpExecError, err:
|
4106 | 6906a9d8 | Guido Trotter | self.LogWarning("Migration failed and I can't reconnect the" |
4107 | 6906a9d8 | Guido Trotter | " drives: error '%s'\n"
|
4108 | 6906a9d8 | Guido Trotter | "Please look and recover the instance status" %
|
4109 | 6906a9d8 | Guido Trotter | str(err))
|
4110 | 6906a9d8 | Guido Trotter | |
4111 | 6906a9d8 | Guido Trotter | def _AbortMigration(self): |
4112 | 6906a9d8 | Guido Trotter | """Call the hypervisor code to abort a started migration.
|
4113 | 6906a9d8 | Guido Trotter |
|
4114 | 6906a9d8 | Guido Trotter | """
|
4115 | 6906a9d8 | Guido Trotter | instance = self.instance
|
4116 | 6906a9d8 | Guido Trotter | target_node = self.target_node
|
4117 | 6906a9d8 | Guido Trotter | migration_info = self.migration_info
|
4118 | 6906a9d8 | Guido Trotter | |
4119 | 6906a9d8 | Guido Trotter | abort_result = self.rpc.call_finalize_migration(target_node,
|
4120 | 6906a9d8 | Guido Trotter | instance, |
4121 | 6906a9d8 | Guido Trotter | migration_info, |
4122 | 6906a9d8 | Guido Trotter | False)
|
4123 | 4c4e4e1e | Iustin Pop | abort_msg = abort_result.fail_msg |
4124 | 6906a9d8 | Guido Trotter | if abort_msg:
|
4125 | 6906a9d8 | Guido Trotter | logging.error("Aborting migration failed on target node %s: %s" %
|
4126 | 6906a9d8 | Guido Trotter | (target_node, abort_msg)) |
4127 | 6906a9d8 | Guido Trotter | # Don't raise an exception here, as we stil have to try to revert the
|
4128 | 6906a9d8 | Guido Trotter | # disk status, even if this step failed.
|
4129 | 6906a9d8 | Guido Trotter | |
4130 | 53c776b5 | Iustin Pop | def _ExecMigration(self): |
4131 | 53c776b5 | Iustin Pop | """Migrate an instance.
|
4132 | 53c776b5 | Iustin Pop |
|
4133 | 53c776b5 | Iustin Pop | The migrate is done by:
|
4134 | 53c776b5 | Iustin Pop | - change the disks into dual-master mode
|
4135 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized again
|
4136 | 53c776b5 | Iustin Pop | - migrate the instance
|
4137 | 53c776b5 | Iustin Pop | - change disks on the new secondary node (the old primary) to secondary
|
4138 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized
|
4139 | 53c776b5 | Iustin Pop | - change disks into single-master mode
|
4140 | 53c776b5 | Iustin Pop |
|
4141 | 53c776b5 | Iustin Pop | """
|
4142 | 53c776b5 | Iustin Pop | instance = self.instance
|
4143 | 53c776b5 | Iustin Pop | target_node = self.target_node
|
4144 | 53c776b5 | Iustin Pop | source_node = self.source_node
|
4145 | 53c776b5 | Iustin Pop | |
4146 | 53c776b5 | Iustin Pop | self.feedback_fn("* checking disk consistency between source and target") |
4147 | 53c776b5 | Iustin Pop | for dev in instance.disks: |
4148 | 53c776b5 | Iustin Pop | if not _CheckDiskConsistency(self, dev, target_node, False): |
4149 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded or not fully" |
4150 | 53c776b5 | Iustin Pop | " synchronized on target node,"
|
4151 | 53c776b5 | Iustin Pop | " aborting migrate." % dev.iv_name)
|
4152 | 53c776b5 | Iustin Pop | |
4153 | 6906a9d8 | Guido Trotter | # First get the migration information from the remote node
|
4154 | 6906a9d8 | Guido Trotter | result = self.rpc.call_migration_info(source_node, instance)
|
4155 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4156 | 6906a9d8 | Guido Trotter | if msg:
|
4157 | 6906a9d8 | Guido Trotter | log_err = ("Failed fetching source migration information from %s: %s" %
|
4158 | 0959c824 | Iustin Pop | (source_node, msg)) |
4159 | 6906a9d8 | Guido Trotter | logging.error(log_err) |
4160 | 6906a9d8 | Guido Trotter | raise errors.OpExecError(log_err)
|
4161 | 6906a9d8 | Guido Trotter | |
4162 | 0959c824 | Iustin Pop | self.migration_info = migration_info = result.payload
|
4163 | 6906a9d8 | Guido Trotter | |
4164 | 6906a9d8 | Guido Trotter | # Then switch the disks to master/master mode
|
4165 | 53c776b5 | Iustin Pop | self._EnsureSecondary(target_node)
|
4166 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
4167 | 53c776b5 | Iustin Pop | self._GoReconnect(True) |
4168 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
4169 | 53c776b5 | Iustin Pop | |
4170 | 6906a9d8 | Guido Trotter | self.feedback_fn("* preparing %s to accept the instance" % target_node) |
4171 | 6906a9d8 | Guido Trotter | result = self.rpc.call_accept_instance(target_node,
|
4172 | 6906a9d8 | Guido Trotter | instance, |
4173 | 6906a9d8 | Guido Trotter | migration_info, |
4174 | 6906a9d8 | Guido Trotter | self.nodes_ip[target_node])
|
4175 | 6906a9d8 | Guido Trotter | |
4176 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4177 | 6906a9d8 | Guido Trotter | if msg:
|
4178 | 6906a9d8 | Guido Trotter | logging.error("Instance pre-migration failed, trying to revert"
|
4179 | 6906a9d8 | Guido Trotter | " disk status: %s", msg)
|
4180 | 6906a9d8 | Guido Trotter | self._AbortMigration()
|
4181 | 6906a9d8 | Guido Trotter | self._RevertDiskStatus()
|
4182 | 6906a9d8 | Guido Trotter | raise errors.OpExecError("Could not pre-migrate instance %s: %s" % |
4183 | 6906a9d8 | Guido Trotter | (instance.name, msg)) |
4184 | 6906a9d8 | Guido Trotter | |
4185 | 53c776b5 | Iustin Pop | self.feedback_fn("* migrating instance to %s" % target_node) |
4186 | 53c776b5 | Iustin Pop | time.sleep(10)
|
4187 | 53c776b5 | Iustin Pop | result = self.rpc.call_instance_migrate(source_node, instance,
|
4188 | 53c776b5 | Iustin Pop | self.nodes_ip[target_node],
|
4189 | 53c776b5 | Iustin Pop | self.op.live)
|
4190 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4191 | 53c776b5 | Iustin Pop | if msg:
|
4192 | 53c776b5 | Iustin Pop | logging.error("Instance migration failed, trying to revert"
|
4193 | 53c776b5 | Iustin Pop | " disk status: %s", msg)
|
4194 | 6906a9d8 | Guido Trotter | self._AbortMigration()
|
4195 | 6906a9d8 | Guido Trotter | self._RevertDiskStatus()
|
4196 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Could not migrate instance %s: %s" % |
4197 | 53c776b5 | Iustin Pop | (instance.name, msg)) |
4198 | 53c776b5 | Iustin Pop | time.sleep(10)
|
4199 | 53c776b5 | Iustin Pop | |
4200 | 53c776b5 | Iustin Pop | instance.primary_node = target_node |
4201 | 53c776b5 | Iustin Pop | # distribute new instance config to the other nodes
|
4202 | 53c776b5 | Iustin Pop | self.cfg.Update(instance)
|
4203 | 53c776b5 | Iustin Pop | |
4204 | 6906a9d8 | Guido Trotter | result = self.rpc.call_finalize_migration(target_node,
|
4205 | 6906a9d8 | Guido Trotter | instance, |
4206 | 6906a9d8 | Guido Trotter | migration_info, |
4207 | 6906a9d8 | Guido Trotter | True)
|
4208 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4209 | 6906a9d8 | Guido Trotter | if msg:
|
4210 | 6906a9d8 | Guido Trotter | logging.error("Instance migration succeeded, but finalization failed:"
|
4211 | 6906a9d8 | Guido Trotter | " %s" % msg)
|
4212 | 6906a9d8 | Guido Trotter | raise errors.OpExecError("Could not finalize instance migration: %s" % |
4213 | 6906a9d8 | Guido Trotter | msg) |
4214 | 6906a9d8 | Guido Trotter | |
4215 | 53c776b5 | Iustin Pop | self._EnsureSecondary(source_node)
|
4216 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
4217 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
4218 | 53c776b5 | Iustin Pop | self._GoReconnect(False) |
4219 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
4220 | 53c776b5 | Iustin Pop | |
4221 | 53c776b5 | Iustin Pop | self.feedback_fn("* done") |
4222 | 53c776b5 | Iustin Pop | |
4223 | 53c776b5 | Iustin Pop | def Exec(self, feedback_fn): |
4224 | 53c776b5 | Iustin Pop | """Perform the migration.
|
4225 | 53c776b5 | Iustin Pop |
|
4226 | 53c776b5 | Iustin Pop | """
|
4227 | 53c776b5 | Iustin Pop | self.feedback_fn = feedback_fn
|
4228 | 53c776b5 | Iustin Pop | |
4229 | 53c776b5 | Iustin Pop | self.source_node = self.instance.primary_node |
4230 | 53c776b5 | Iustin Pop | self.target_node = self.instance.secondary_nodes[0] |
4231 | 53c776b5 | Iustin Pop | self.all_nodes = [self.source_node, self.target_node] |
4232 | 53c776b5 | Iustin Pop | self.nodes_ip = {
|
4233 | 53c776b5 | Iustin Pop | self.source_node: self.cfg.GetNodeInfo(self.source_node).secondary_ip, |
4234 | 53c776b5 | Iustin Pop | self.target_node: self.cfg.GetNodeInfo(self.target_node).secondary_ip, |
4235 | 53c776b5 | Iustin Pop | } |
4236 | 53c776b5 | Iustin Pop | if self.op.cleanup: |
4237 | 53c776b5 | Iustin Pop | return self._ExecCleanup() |
4238 | 53c776b5 | Iustin Pop | else:
|
4239 | 53c776b5 | Iustin Pop | return self._ExecMigration() |
4240 | 53c776b5 | Iustin Pop | |
4241 | 53c776b5 | Iustin Pop | |
4242 | 428958aa | Iustin Pop | def _CreateBlockDev(lu, node, instance, device, force_create, |
4243 | 428958aa | Iustin Pop | info, force_open): |
4244 | 428958aa | Iustin Pop | """Create a tree of block devices on a given node.
|
4245 | a8083063 | Iustin Pop |
|
4246 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
4247 | a8083063 | Iustin Pop | all its children.
|
4248 | a8083063 | Iustin Pop |
|
4249 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
4250 | a8083063 | Iustin Pop |
|
4251 | 428958aa | Iustin Pop | @param lu: the lu on whose behalf we execute
|
4252 | 428958aa | Iustin Pop | @param node: the node on which to create the device
|
4253 | 428958aa | Iustin Pop | @type instance: L{objects.Instance}
|
4254 | 428958aa | Iustin Pop | @param instance: the instance which owns the device
|
4255 | 428958aa | Iustin Pop | @type device: L{objects.Disk}
|
4256 | 428958aa | Iustin Pop | @param device: the device to create
|
4257 | 428958aa | Iustin Pop | @type force_create: boolean
|
4258 | 428958aa | Iustin Pop | @param force_create: whether to force creation of this device; this
|
4259 | 428958aa | Iustin Pop | will be change to True whenever we find a device which has
|
4260 | 428958aa | Iustin Pop | CreateOnSecondary() attribute
|
4261 | 428958aa | Iustin Pop | @param info: the extra 'metadata' we should attach to the device
|
4262 | 428958aa | Iustin Pop | (this will be represented as a LVM tag)
|
4263 | 428958aa | Iustin Pop | @type force_open: boolean
|
4264 | 428958aa | Iustin Pop | @param force_open: this parameter will be passes to the
|
4265 | 821d1bd1 | Iustin Pop | L{backend.BlockdevCreate} function where it specifies
|
4266 | 428958aa | Iustin Pop | whether we run on primary or not, and it affects both
|
4267 | 428958aa | Iustin Pop | the child assembly and the device own Open() execution
|
4268 | 428958aa | Iustin Pop |
|
4269 | a8083063 | Iustin Pop | """
|
4270 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
4271 | 428958aa | Iustin Pop | force_create = True
|
4272 | 796cab27 | Iustin Pop | |
4273 | a8083063 | Iustin Pop | if device.children:
|
4274 | a8083063 | Iustin Pop | for child in device.children: |
4275 | 428958aa | Iustin Pop | _CreateBlockDev(lu, node, instance, child, force_create, |
4276 | 428958aa | Iustin Pop | info, force_open) |
4277 | a8083063 | Iustin Pop | |
4278 | 428958aa | Iustin Pop | if not force_create: |
4279 | 796cab27 | Iustin Pop | return
|
4280 | 796cab27 | Iustin Pop | |
4281 | de12473a | Iustin Pop | _CreateSingleBlockDev(lu, node, instance, device, info, force_open) |
4282 | de12473a | Iustin Pop | |
4283 | de12473a | Iustin Pop | |
4284 | de12473a | Iustin Pop | def _CreateSingleBlockDev(lu, node, instance, device, info, force_open): |
4285 | de12473a | Iustin Pop | """Create a single block device on a given node.
|
4286 | de12473a | Iustin Pop |
|
4287 | de12473a | Iustin Pop | This will not recurse over children of the device, so they must be
|
4288 | de12473a | Iustin Pop | created in advance.
|
4289 | de12473a | Iustin Pop |
|
4290 | de12473a | Iustin Pop | @param lu: the lu on whose behalf we execute
|
4291 | de12473a | Iustin Pop | @param node: the node on which to create the device
|
4292 | de12473a | Iustin Pop | @type instance: L{objects.Instance}
|
4293 | de12473a | Iustin Pop | @param instance: the instance which owns the device
|
4294 | de12473a | Iustin Pop | @type device: L{objects.Disk}
|
4295 | de12473a | Iustin Pop | @param device: the device to create
|
4296 | de12473a | Iustin Pop | @param info: the extra 'metadata' we should attach to the device
|
4297 | de12473a | Iustin Pop | (this will be represented as a LVM tag)
|
4298 | de12473a | Iustin Pop | @type force_open: boolean
|
4299 | de12473a | Iustin Pop | @param force_open: this parameter will be passes to the
|
4300 | 821d1bd1 | Iustin Pop | L{backend.BlockdevCreate} function where it specifies
|
4301 | de12473a | Iustin Pop | whether we run on primary or not, and it affects both
|
4302 | de12473a | Iustin Pop | the child assembly and the device own Open() execution
|
4303 | de12473a | Iustin Pop |
|
4304 | de12473a | Iustin Pop | """
|
4305 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(device, node) |
4306 | 7d81697f | Iustin Pop | result = lu.rpc.call_blockdev_create(node, device, device.size, |
4307 | 428958aa | Iustin Pop | instance.name, force_open, info) |
4308 | 4c4e4e1e | Iustin Pop | result.Raise("Can't create block device %s on"
|
4309 | 4c4e4e1e | Iustin Pop | " node %s for instance %s" % (device, node, instance.name))
|
4310 | a8083063 | Iustin Pop | if device.physical_id is None: |
4311 | 0959c824 | Iustin Pop | device.physical_id = result.payload |
4312 | a8083063 | Iustin Pop | |
4313 | a8083063 | Iustin Pop | |
4314 | b9bddb6b | Iustin Pop | def _GenerateUniqueNames(lu, exts): |
4315 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
4316 | 923b1523 | Iustin Pop |
|
4317 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
4318 | 923b1523 | Iustin Pop |
|
4319 | 923b1523 | Iustin Pop | """
|
4320 | 923b1523 | Iustin Pop | results = [] |
4321 | 923b1523 | Iustin Pop | for val in exts: |
4322 | b9bddb6b | Iustin Pop | new_id = lu.cfg.GenerateUniqueID() |
4323 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
4324 | 923b1523 | Iustin Pop | return results
|
4325 | 923b1523 | Iustin Pop | |
4326 | 923b1523 | Iustin Pop | |
4327 | b9bddb6b | Iustin Pop | def _GenerateDRBD8Branch(lu, primary, secondary, size, names, iv_name, |
4328 | ffa1c0dc | Iustin Pop | p_minor, s_minor): |
4329 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
4330 | a1f445d3 | Iustin Pop |
|
4331 | a1f445d3 | Iustin Pop | """
|
4332 | b9bddb6b | Iustin Pop | port = lu.cfg.AllocatePort() |
4333 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
4334 | b9bddb6b | Iustin Pop | shared_secret = lu.cfg.GenerateDRBDSecret() |
4335 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
4336 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
4337 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
4338 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
4339 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
4340 | ffa1c0dc | Iustin Pop | logical_id=(primary, secondary, port, |
4341 | f9518d38 | Iustin Pop | p_minor, s_minor, |
4342 | f9518d38 | Iustin Pop | shared_secret), |
4343 | ffa1c0dc | Iustin Pop | children=[dev_data, dev_meta], |
4344 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
4345 | a1f445d3 | Iustin Pop | return drbd_dev
|
4346 | a1f445d3 | Iustin Pop | |
4347 | 7c0d6283 | Michael Hanselmann | |
4348 | b9bddb6b | Iustin Pop | def _GenerateDiskTemplate(lu, template_name, |
4349 | a8083063 | Iustin Pop | instance_name, primary_node, |
4350 | 08db7c5c | Iustin Pop | secondary_nodes, disk_info, |
4351 | e2a65344 | Iustin Pop | file_storage_dir, file_driver, |
4352 | e2a65344 | Iustin Pop | base_index): |
4353 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
4354 | a8083063 | Iustin Pop |
|
4355 | a8083063 | Iustin Pop | """
|
4356 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
4357 | a8083063 | Iustin Pop | |
4358 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
4359 | 08db7c5c | Iustin Pop | disk_count = len(disk_info)
|
4360 | 08db7c5c | Iustin Pop | disks = [] |
4361 | 3517d9b9 | Manuel Franceschini | if template_name == constants.DT_DISKLESS:
|
4362 | 08db7c5c | Iustin Pop | pass
|
4363 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_PLAIN:
|
4364 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
4365 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
4366 | 923b1523 | Iustin Pop | |
4367 | fb4b324b | Guido Trotter | names = _GenerateUniqueNames(lu, [".disk%d" % (base_index + i)
|
4368 | 08db7c5c | Iustin Pop | for i in range(disk_count)]) |
4369 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
4370 | e2a65344 | Iustin Pop | disk_index = idx + base_index |
4371 | 08db7c5c | Iustin Pop | disk_dev = objects.Disk(dev_type=constants.LD_LV, size=disk["size"],
|
4372 | 08db7c5c | Iustin Pop | logical_id=(vgname, names[idx]), |
4373 | 6ec66eae | Iustin Pop | iv_name="disk/%d" % disk_index,
|
4374 | 6ec66eae | Iustin Pop | mode=disk["mode"])
|
4375 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
4376 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
4377 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
4378 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
4379 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
4380 | 08db7c5c | Iustin Pop | minors = lu.cfg.AllocateDRBDMinor( |
4381 | 08db7c5c | Iustin Pop | [primary_node, remote_node] * len(disk_info), instance_name)
|
4382 | 08db7c5c | Iustin Pop | |
4383 | e6c1ff2f | Iustin Pop | names = [] |
4384 | fb4b324b | Guido Trotter | for lv_prefix in _GenerateUniqueNames(lu, [".disk%d" % (base_index + i) |
4385 | e6c1ff2f | Iustin Pop | for i in range(disk_count)]): |
4386 | e6c1ff2f | Iustin Pop | names.append(lv_prefix + "_data")
|
4387 | e6c1ff2f | Iustin Pop | names.append(lv_prefix + "_meta")
|
4388 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
4389 | 112050d9 | Iustin Pop | disk_index = idx + base_index |
4390 | 08db7c5c | Iustin Pop | disk_dev = _GenerateDRBD8Branch(lu, primary_node, remote_node, |
4391 | 08db7c5c | Iustin Pop | disk["size"], names[idx*2:idx*2+2], |
4392 | e2a65344 | Iustin Pop | "disk/%d" % disk_index,
|
4393 | 08db7c5c | Iustin Pop | minors[idx*2], minors[idx*2+1]) |
4394 | 6ec66eae | Iustin Pop | disk_dev.mode = disk["mode"]
|
4395 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
4396 | 0f1a06e3 | Manuel Franceschini | elif template_name == constants.DT_FILE:
|
4397 | 0f1a06e3 | Manuel Franceschini | if len(secondary_nodes) != 0: |
4398 | 0f1a06e3 | Manuel Franceschini | raise errors.ProgrammerError("Wrong template configuration") |
4399 | 0f1a06e3 | Manuel Franceschini | |
4400 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
4401 | 112050d9 | Iustin Pop | disk_index = idx + base_index |
4402 | 08db7c5c | Iustin Pop | disk_dev = objects.Disk(dev_type=constants.LD_FILE, size=disk["size"],
|
4403 | e2a65344 | Iustin Pop | iv_name="disk/%d" % disk_index,
|
4404 | 08db7c5c | Iustin Pop | logical_id=(file_driver, |
4405 | 08db7c5c | Iustin Pop | "%s/disk%d" % (file_storage_dir,
|
4406 | 43e99cff | Guido Trotter | disk_index)), |
4407 | 6ec66eae | Iustin Pop | mode=disk["mode"])
|
4408 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
4409 | a8083063 | Iustin Pop | else:
|
4410 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
4411 | a8083063 | Iustin Pop | return disks
|
4412 | a8083063 | Iustin Pop | |
4413 | a8083063 | Iustin Pop | |
4414 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
4415 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
4416 | 3ecf6786 | Iustin Pop |
|
4417 | 3ecf6786 | Iustin Pop | """
|
4418 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
4419 | a0c3fea1 | Michael Hanselmann | |
4420 | a0c3fea1 | Michael Hanselmann | |
4421 | b9bddb6b | Iustin Pop | def _CreateDisks(lu, instance): |
4422 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
4423 | a8083063 | Iustin Pop |
|
4424 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
4425 | a8083063 | Iustin Pop |
|
4426 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
4427 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
4428 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
4429 | e4376078 | Iustin Pop | @param instance: the instance whose disks we should create
|
4430 | e4376078 | Iustin Pop | @rtype: boolean
|
4431 | e4376078 | Iustin Pop | @return: the success of the creation
|
4432 | a8083063 | Iustin Pop |
|
4433 | a8083063 | Iustin Pop | """
|
4434 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
4435 | 428958aa | Iustin Pop | pnode = instance.primary_node |
4436 | a0c3fea1 | Michael Hanselmann | |
4437 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
4438 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
4439 | 428958aa | Iustin Pop | result = lu.rpc.call_file_storage_dir_create(pnode, file_storage_dir) |
4440 | 0f1a06e3 | Manuel Franceschini | |
4441 | 4c4e4e1e | Iustin Pop | result.Raise("Failed to create directory '%s' on"
|
4442 | 4c4e4e1e | Iustin Pop | " node %s: %s" % (file_storage_dir, pnode))
|
4443 | 0f1a06e3 | Manuel Franceschini | |
4444 | 24991749 | Iustin Pop | # Note: this needs to be kept in sync with adding of disks in
|
4445 | 24991749 | Iustin Pop | # LUSetInstanceParams
|
4446 | a8083063 | Iustin Pop | for device in instance.disks: |
4447 | 9a4f63d1 | Iustin Pop | logging.info("Creating volume %s for instance %s",
|
4448 | 9a4f63d1 | Iustin Pop | device.iv_name, instance.name) |
4449 | a8083063 | Iustin Pop | #HARDCODE
|
4450 | 428958aa | Iustin Pop | for node in instance.all_nodes: |
4451 | 428958aa | Iustin Pop | f_create = node == pnode |
4452 | 428958aa | Iustin Pop | _CreateBlockDev(lu, node, instance, device, f_create, info, f_create) |
4453 | a8083063 | Iustin Pop | |
4454 | a8083063 | Iustin Pop | |
4455 | b9bddb6b | Iustin Pop | def _RemoveDisks(lu, instance): |
4456 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
4457 | a8083063 | Iustin Pop |
|
4458 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
4459 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
4460 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
4461 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
4462 | a8083063 | Iustin Pop |
|
4463 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
4464 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
4465 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
4466 | e4376078 | Iustin Pop | @param instance: the instance whose disks we should remove
|
4467 | e4376078 | Iustin Pop | @rtype: boolean
|
4468 | e4376078 | Iustin Pop | @return: the success of the removal
|
4469 | a8083063 | Iustin Pop |
|
4470 | a8083063 | Iustin Pop | """
|
4471 | 9a4f63d1 | Iustin Pop | logging.info("Removing block devices for instance %s", instance.name)
|
4472 | a8083063 | Iustin Pop | |
4473 | e1bc0878 | Iustin Pop | all_result = True
|
4474 | a8083063 | Iustin Pop | for device in instance.disks: |
4475 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
4476 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, node) |
4477 | 4c4e4e1e | Iustin Pop | msg = lu.rpc.call_blockdev_remove(node, disk).fail_msg |
4478 | e1bc0878 | Iustin Pop | if msg:
|
4479 | e1bc0878 | Iustin Pop | lu.LogWarning("Could not remove block device %s on node %s,"
|
4480 | e1bc0878 | Iustin Pop | " continuing anyway: %s", device.iv_name, node, msg)
|
4481 | e1bc0878 | Iustin Pop | all_result = False
|
4482 | 0f1a06e3 | Manuel Franceschini | |
4483 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
4484 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
4485 | 781de953 | Iustin Pop | result = lu.rpc.call_file_storage_dir_remove(instance.primary_node, |
4486 | 781de953 | Iustin Pop | file_storage_dir) |
4487 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
4488 | b2b8bcce | Iustin Pop | if msg:
|
4489 | b2b8bcce | Iustin Pop | lu.LogWarning("Could not remove directory '%s' on node %s: %s",
|
4490 | b2b8bcce | Iustin Pop | file_storage_dir, instance.primary_node, msg) |
4491 | e1bc0878 | Iustin Pop | all_result = False
|
4492 | 0f1a06e3 | Manuel Franceschini | |
4493 | e1bc0878 | Iustin Pop | return all_result
|
4494 | a8083063 | Iustin Pop | |
4495 | a8083063 | Iustin Pop | |
4496 | 08db7c5c | Iustin Pop | def _ComputeDiskSize(disk_template, disks): |
4497 | e2fe6369 | Iustin Pop | """Compute disk size requirements in the volume group
|
4498 | e2fe6369 | Iustin Pop |
|
4499 | e2fe6369 | Iustin Pop | """
|
4500 | e2fe6369 | Iustin Pop | # Required free disk space as a function of disk and swap space
|
4501 | e2fe6369 | Iustin Pop | req_size_dict = { |
4502 | e2fe6369 | Iustin Pop | constants.DT_DISKLESS: None,
|
4503 | 08db7c5c | Iustin Pop | constants.DT_PLAIN: sum(d["size"] for d in disks), |
4504 | 08db7c5c | Iustin Pop | # 128 MB are added for drbd metadata for each disk
|
4505 | 08db7c5c | Iustin Pop | constants.DT_DRBD8: sum(d["size"] + 128 for d in disks), |
4506 | e2fe6369 | Iustin Pop | constants.DT_FILE: None,
|
4507 | e2fe6369 | Iustin Pop | } |
4508 | e2fe6369 | Iustin Pop | |
4509 | e2fe6369 | Iustin Pop | if disk_template not in req_size_dict: |
4510 | e2fe6369 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
4511 | e2fe6369 | Iustin Pop | " is unknown" % disk_template)
|
4512 | e2fe6369 | Iustin Pop | |
4513 | e2fe6369 | Iustin Pop | return req_size_dict[disk_template]
|
4514 | e2fe6369 | Iustin Pop | |
4515 | e2fe6369 | Iustin Pop | |
4516 | 74409b12 | Iustin Pop | def _CheckHVParams(lu, nodenames, hvname, hvparams): |
4517 | 74409b12 | Iustin Pop | """Hypervisor parameter validation.
|
4518 | 74409b12 | Iustin Pop |
|
4519 | 74409b12 | Iustin Pop | This function abstract the hypervisor parameter validation to be
|
4520 | 74409b12 | Iustin Pop | used in both instance create and instance modify.
|
4521 | 74409b12 | Iustin Pop |
|
4522 | 74409b12 | Iustin Pop | @type lu: L{LogicalUnit}
|
4523 | 74409b12 | Iustin Pop | @param lu: the logical unit for which we check
|
4524 | 74409b12 | Iustin Pop | @type nodenames: list
|
4525 | 74409b12 | Iustin Pop | @param nodenames: the list of nodes on which we should check
|
4526 | 74409b12 | Iustin Pop | @type hvname: string
|
4527 | 74409b12 | Iustin Pop | @param hvname: the name of the hypervisor we should use
|
4528 | 74409b12 | Iustin Pop | @type hvparams: dict
|
4529 | 74409b12 | Iustin Pop | @param hvparams: the parameters which we need to check
|
4530 | 74409b12 | Iustin Pop | @raise errors.OpPrereqError: if the parameters are not valid
|
4531 | 74409b12 | Iustin Pop |
|
4532 | 74409b12 | Iustin Pop | """
|
4533 | 74409b12 | Iustin Pop | hvinfo = lu.rpc.call_hypervisor_validate_params(nodenames, |
4534 | 74409b12 | Iustin Pop | hvname, |
4535 | 74409b12 | Iustin Pop | hvparams) |
4536 | 74409b12 | Iustin Pop | for node in nodenames: |
4537 | 781de953 | Iustin Pop | info = hvinfo[node] |
4538 | 68c6f21c | Iustin Pop | if info.offline:
|
4539 | 68c6f21c | Iustin Pop | continue
|
4540 | 4c4e4e1e | Iustin Pop | info.Raise("Hypervisor parameter validation failed on node %s" % node)
|
4541 | 74409b12 | Iustin Pop | |
4542 | 74409b12 | Iustin Pop | |
4543 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
4544 | a8083063 | Iustin Pop | """Create an instance.
|
4545 | a8083063 | Iustin Pop |
|
4546 | a8083063 | Iustin Pop | """
|
4547 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
4548 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4549 | 08db7c5c | Iustin Pop | _OP_REQP = ["instance_name", "disks", "disk_template", |
4550 | 08db7c5c | Iustin Pop | "mode", "start", |
4551 | 08db7c5c | Iustin Pop | "wait_for_sync", "ip_check", "nics", |
4552 | 338e51e8 | Iustin Pop | "hvparams", "beparams"] |
4553 | 7baf741d | Guido Trotter | REQ_BGL = False
|
4554 | 7baf741d | Guido Trotter | |
4555 | 7baf741d | Guido Trotter | def _ExpandNode(self, node): |
4556 | 7baf741d | Guido Trotter | """Expands and checks one node name.
|
4557 | 7baf741d | Guido Trotter |
|
4558 | 7baf741d | Guido Trotter | """
|
4559 | 7baf741d | Guido Trotter | node_full = self.cfg.ExpandNodeName(node)
|
4560 | 7baf741d | Guido Trotter | if node_full is None: |
4561 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Unknown node %s" % node) |
4562 | 7baf741d | Guido Trotter | return node_full
|
4563 | 7baf741d | Guido Trotter | |
4564 | 7baf741d | Guido Trotter | def ExpandNames(self): |
4565 | 7baf741d | Guido Trotter | """ExpandNames for CreateInstance.
|
4566 | 7baf741d | Guido Trotter |
|
4567 | 7baf741d | Guido Trotter | Figure out the right locks for instance creation.
|
4568 | 7baf741d | Guido Trotter |
|
4569 | 7baf741d | Guido Trotter | """
|
4570 | 7baf741d | Guido Trotter | self.needed_locks = {}
|
4571 | 7baf741d | Guido Trotter | |
4572 | 7baf741d | Guido Trotter | # set optional parameters to none if they don't exist
|
4573 | 6785674e | Iustin Pop | for attr in ["pnode", "snode", "iallocator", "hypervisor"]: |
4574 | 7baf741d | Guido Trotter | if not hasattr(self.op, attr): |
4575 | 7baf741d | Guido Trotter | setattr(self.op, attr, None) |
4576 | 7baf741d | Guido Trotter | |
4577 | 4b2f38dd | Iustin Pop | # cheap checks, mostly valid constants given
|
4578 | 4b2f38dd | Iustin Pop | |
4579 | 7baf741d | Guido Trotter | # verify creation mode
|
4580 | 7baf741d | Guido Trotter | if self.op.mode not in (constants.INSTANCE_CREATE, |
4581 | 7baf741d | Guido Trotter | constants.INSTANCE_IMPORT): |
4582 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
4583 | 7baf741d | Guido Trotter | self.op.mode)
|
4584 | 4b2f38dd | Iustin Pop | |
4585 | 7baf741d | Guido Trotter | # disk template and mirror node verification
|
4586 | 7baf741d | Guido Trotter | if self.op.disk_template not in constants.DISK_TEMPLATES: |
4587 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid disk template name") |
4588 | 7baf741d | Guido Trotter | |
4589 | 4b2f38dd | Iustin Pop | if self.op.hypervisor is None: |
4590 | 4b2f38dd | Iustin Pop | self.op.hypervisor = self.cfg.GetHypervisorType() |
4591 | 4b2f38dd | Iustin Pop | |
4592 | 8705eb96 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
4593 | 8705eb96 | Iustin Pop | enabled_hvs = cluster.enabled_hypervisors |
4594 | 4b2f38dd | Iustin Pop | if self.op.hypervisor not in enabled_hvs: |
4595 | 4b2f38dd | Iustin Pop | raise errors.OpPrereqError("Selected hypervisor (%s) not enabled in the" |
4596 | 4b2f38dd | Iustin Pop | " cluster (%s)" % (self.op.hypervisor, |
4597 | 4b2f38dd | Iustin Pop | ",".join(enabled_hvs)))
|
4598 | 4b2f38dd | Iustin Pop | |
4599 | 6785674e | Iustin Pop | # check hypervisor parameter syntax (locally)
|
4600 | a5728081 | Guido Trotter | utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
|
4601 | abe609b2 | Guido Trotter | filled_hvp = objects.FillDict(cluster.hvparams[self.op.hypervisor],
|
4602 | 8705eb96 | Iustin Pop | self.op.hvparams)
|
4603 | 6785674e | Iustin Pop | hv_type = hypervisor.GetHypervisor(self.op.hypervisor)
|
4604 | 8705eb96 | Iustin Pop | hv_type.CheckParameterSyntax(filled_hvp) |
4605 | 67fc3042 | Iustin Pop | self.hv_full = filled_hvp
|
4606 | 6785674e | Iustin Pop | |
4607 | 338e51e8 | Iustin Pop | # fill and remember the beparams dict
|
4608 | a5728081 | Guido Trotter | utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
|
4609 | 4ef7f423 | Guido Trotter | self.be_full = objects.FillDict(cluster.beparams[constants.PP_DEFAULT],
|
4610 | 338e51e8 | Iustin Pop | self.op.beparams)
|
4611 | 338e51e8 | Iustin Pop | |
4612 | 7baf741d | Guido Trotter | #### instance parameters check
|
4613 | 7baf741d | Guido Trotter | |
4614 | 7baf741d | Guido Trotter | # instance name verification
|
4615 | 7baf741d | Guido Trotter | hostname1 = utils.HostInfo(self.op.instance_name)
|
4616 | 7baf741d | Guido Trotter | self.op.instance_name = instance_name = hostname1.name
|
4617 | 7baf741d | Guido Trotter | |
4618 | 7baf741d | Guido Trotter | # this is just a preventive check, but someone might still add this
|
4619 | 7baf741d | Guido Trotter | # instance in the meantime, and creation will fail at lock-add time
|
4620 | 7baf741d | Guido Trotter | if instance_name in self.cfg.GetInstanceList(): |
4621 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
4622 | 7baf741d | Guido Trotter | instance_name) |
4623 | 7baf741d | Guido Trotter | |
4624 | 7baf741d | Guido Trotter | self.add_locks[locking.LEVEL_INSTANCE] = instance_name
|
4625 | 7baf741d | Guido Trotter | |
4626 | 08db7c5c | Iustin Pop | # NIC buildup
|
4627 | 08db7c5c | Iustin Pop | self.nics = []
|
4628 | 9dce4771 | Guido Trotter | for idx, nic in enumerate(self.op.nics): |
4629 | 9dce4771 | Guido Trotter | nic_mode_req = nic.get("mode", None) |
4630 | 9dce4771 | Guido Trotter | nic_mode = nic_mode_req |
4631 | 9dce4771 | Guido Trotter | if nic_mode is None: |
4632 | 9dce4771 | Guido Trotter | nic_mode = cluster.nicparams[constants.PP_DEFAULT][constants.NIC_MODE] |
4633 | 9dce4771 | Guido Trotter | |
4634 | 9dce4771 | Guido Trotter | # in routed mode, for the first nic, the default ip is 'auto'
|
4635 | 9dce4771 | Guido Trotter | if nic_mode == constants.NIC_MODE_ROUTED and idx == 0: |
4636 | 9dce4771 | Guido Trotter | default_ip_mode = constants.VALUE_AUTO |
4637 | 9dce4771 | Guido Trotter | else:
|
4638 | 9dce4771 | Guido Trotter | default_ip_mode = constants.VALUE_NONE |
4639 | 9dce4771 | Guido Trotter | |
4640 | 08db7c5c | Iustin Pop | # ip validity checks
|
4641 | 9dce4771 | Guido Trotter | ip = nic.get("ip", default_ip_mode)
|
4642 | 9dce4771 | Guido Trotter | if ip is None or ip.lower() == constants.VALUE_NONE: |
4643 | 08db7c5c | Iustin Pop | nic_ip = None
|
4644 | 08db7c5c | Iustin Pop | elif ip.lower() == constants.VALUE_AUTO:
|
4645 | 08db7c5c | Iustin Pop | nic_ip = hostname1.ip |
4646 | 08db7c5c | Iustin Pop | else:
|
4647 | 08db7c5c | Iustin Pop | if not utils.IsValidIP(ip): |
4648 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Given IP address '%s' doesn't look" |
4649 | 08db7c5c | Iustin Pop | " like a valid IP" % ip)
|
4650 | 08db7c5c | Iustin Pop | nic_ip = ip |
4651 | 08db7c5c | Iustin Pop | |
4652 | 9dce4771 | Guido Trotter | # TODO: check the ip for uniqueness !!
|
4653 | 9dce4771 | Guido Trotter | if nic_mode == constants.NIC_MODE_ROUTED and not nic_ip: |
4654 | 9dce4771 | Guido Trotter | raise errors.OpPrereqError("Routed nic mode requires an ip address") |
4655 | 9dce4771 | Guido Trotter | |
4656 | 08db7c5c | Iustin Pop | # MAC address verification
|
4657 | 08db7c5c | Iustin Pop | mac = nic.get("mac", constants.VALUE_AUTO)
|
4658 | 08db7c5c | Iustin Pop | if mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
4659 | 08db7c5c | Iustin Pop | if not utils.IsValidMac(mac.lower()): |
4660 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid MAC address specified: %s" % |
4661 | 08db7c5c | Iustin Pop | mac) |
4662 | 08db7c5c | Iustin Pop | # bridge verification
|
4663 | 9939547b | Iustin Pop | bridge = nic.get("bridge", None) |
4664 | 9dce4771 | Guido Trotter | link = nic.get("link", None) |
4665 | 9dce4771 | Guido Trotter | if bridge and link: |
4666 | 29921401 | Iustin Pop | raise errors.OpPrereqError("Cannot pass 'bridge' and 'link'" |
4667 | 29921401 | Iustin Pop | " at the same time")
|
4668 | 9dce4771 | Guido Trotter | elif bridge and nic_mode == constants.NIC_MODE_ROUTED: |
4669 | 9dce4771 | Guido Trotter | raise errors.OpPrereqError("Cannot pass 'bridge' on a routed nic") |
4670 | 9dce4771 | Guido Trotter | elif bridge:
|
4671 | 9dce4771 | Guido Trotter | link = bridge |
4672 | 9dce4771 | Guido Trotter | |
4673 | 9dce4771 | Guido Trotter | nicparams = {} |
4674 | 9dce4771 | Guido Trotter | if nic_mode_req:
|
4675 | 9dce4771 | Guido Trotter | nicparams[constants.NIC_MODE] = nic_mode_req |
4676 | 9dce4771 | Guido Trotter | if link:
|
4677 | 9dce4771 | Guido Trotter | nicparams[constants.NIC_LINK] = link |
4678 | 9dce4771 | Guido Trotter | |
4679 | 9dce4771 | Guido Trotter | check_params = objects.FillDict(cluster.nicparams[constants.PP_DEFAULT], |
4680 | 9dce4771 | Guido Trotter | nicparams) |
4681 | 9dce4771 | Guido Trotter | objects.NIC.CheckParameterSyntax(check_params) |
4682 | 9dce4771 | Guido Trotter | self.nics.append(objects.NIC(mac=mac, ip=nic_ip, nicparams=nicparams))
|
4683 | 08db7c5c | Iustin Pop | |
4684 | 08db7c5c | Iustin Pop | # disk checks/pre-build
|
4685 | 08db7c5c | Iustin Pop | self.disks = []
|
4686 | 08db7c5c | Iustin Pop | for disk in self.op.disks: |
4687 | 08db7c5c | Iustin Pop | mode = disk.get("mode", constants.DISK_RDWR)
|
4688 | 08db7c5c | Iustin Pop | if mode not in constants.DISK_ACCESS_SET: |
4689 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid disk access mode '%s'" % |
4690 | 08db7c5c | Iustin Pop | mode) |
4691 | 08db7c5c | Iustin Pop | size = disk.get("size", None) |
4692 | 08db7c5c | Iustin Pop | if size is None: |
4693 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Missing disk size") |
4694 | 08db7c5c | Iustin Pop | try:
|
4695 | 08db7c5c | Iustin Pop | size = int(size)
|
4696 | 08db7c5c | Iustin Pop | except ValueError: |
4697 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid disk size '%s'" % size) |
4698 | 08db7c5c | Iustin Pop | self.disks.append({"size": size, "mode": mode}) |
4699 | 08db7c5c | Iustin Pop | |
4700 | 7baf741d | Guido Trotter | # used in CheckPrereq for ip ping check
|
4701 | 7baf741d | Guido Trotter | self.check_ip = hostname1.ip
|
4702 | 7baf741d | Guido Trotter | |
4703 | 7baf741d | Guido Trotter | # file storage checks
|
4704 | 7baf741d | Guido Trotter | if (self.op.file_driver and |
4705 | 7baf741d | Guido Trotter | not self.op.file_driver in constants.FILE_DRIVER): |
4706 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid file driver name '%s'" % |
4707 | 7baf741d | Guido Trotter | self.op.file_driver)
|
4708 | 7baf741d | Guido Trotter | |
4709 | 7baf741d | Guido Trotter | if self.op.file_storage_dir and os.path.isabs(self.op.file_storage_dir): |
4710 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("File storage directory path not absolute") |
4711 | 7baf741d | Guido Trotter | |
4712 | 7baf741d | Guido Trotter | ### Node/iallocator related checks
|
4713 | 7baf741d | Guido Trotter | if [self.op.iallocator, self.op.pnode].count(None) != 1: |
4714 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("One and only one of iallocator and primary" |
4715 | 7baf741d | Guido Trotter | " node must be given")
|
4716 | 7baf741d | Guido Trotter | |
4717 | 7baf741d | Guido Trotter | if self.op.iallocator: |
4718 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
4719 | 7baf741d | Guido Trotter | else:
|
4720 | 7baf741d | Guido Trotter | self.op.pnode = self._ExpandNode(self.op.pnode) |
4721 | 7baf741d | Guido Trotter | nodelist = [self.op.pnode]
|
4722 | 7baf741d | Guido Trotter | if self.op.snode is not None: |
4723 | 7baf741d | Guido Trotter | self.op.snode = self._ExpandNode(self.op.snode) |
4724 | 7baf741d | Guido Trotter | nodelist.append(self.op.snode)
|
4725 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = nodelist
|
4726 | 7baf741d | Guido Trotter | |
4727 | 7baf741d | Guido Trotter | # in case of import lock the source node too
|
4728 | 7baf741d | Guido Trotter | if self.op.mode == constants.INSTANCE_IMPORT: |
4729 | 7baf741d | Guido Trotter | src_node = getattr(self.op, "src_node", None) |
4730 | 7baf741d | Guido Trotter | src_path = getattr(self.op, "src_path", None) |
4731 | 7baf741d | Guido Trotter | |
4732 | b9322a9f | Guido Trotter | if src_path is None: |
4733 | b9322a9f | Guido Trotter | self.op.src_path = src_path = self.op.instance_name |
4734 | b9322a9f | Guido Trotter | |
4735 | b9322a9f | Guido Trotter | if src_node is None: |
4736 | b9322a9f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
4737 | b9322a9f | Guido Trotter | self.op.src_node = None |
4738 | b9322a9f | Guido Trotter | if os.path.isabs(src_path):
|
4739 | b9322a9f | Guido Trotter | raise errors.OpPrereqError("Importing an instance from an absolute" |
4740 | b9322a9f | Guido Trotter | " path requires a source node option.")
|
4741 | b9322a9f | Guido Trotter | else:
|
4742 | b9322a9f | Guido Trotter | self.op.src_node = src_node = self._ExpandNode(src_node) |
4743 | b9322a9f | Guido Trotter | if self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET: |
4744 | b9322a9f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].append(src_node)
|
4745 | b9322a9f | Guido Trotter | if not os.path.isabs(src_path): |
4746 | b9322a9f | Guido Trotter | self.op.src_path = src_path = \
|
4747 | b9322a9f | Guido Trotter | os.path.join(constants.EXPORT_DIR, src_path) |
4748 | 7baf741d | Guido Trotter | |
4749 | 7baf741d | Guido Trotter | else: # INSTANCE_CREATE |
4750 | 7baf741d | Guido Trotter | if getattr(self.op, "os_type", None) is None: |
4751 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("No guest OS specified") |
4752 | a8083063 | Iustin Pop | |
4753 | 538475ca | Iustin Pop | def _RunAllocator(self): |
4754 | 538475ca | Iustin Pop | """Run the allocator based on input opcode.
|
4755 | 538475ca | Iustin Pop |
|
4756 | 538475ca | Iustin Pop | """
|
4757 | 08db7c5c | Iustin Pop | nics = [n.ToDict() for n in self.nics] |
4758 | 923ddac0 | Michael Hanselmann | ial = IAllocator(self.cfg, self.rpc, |
4759 | 29859cb7 | Iustin Pop | mode=constants.IALLOCATOR_MODE_ALLOC, |
4760 | d1c2dd75 | Iustin Pop | name=self.op.instance_name,
|
4761 | d1c2dd75 | Iustin Pop | disk_template=self.op.disk_template,
|
4762 | d1c2dd75 | Iustin Pop | tags=[], |
4763 | d1c2dd75 | Iustin Pop | os=self.op.os_type,
|
4764 | 338e51e8 | Iustin Pop | vcpus=self.be_full[constants.BE_VCPUS],
|
4765 | 338e51e8 | Iustin Pop | mem_size=self.be_full[constants.BE_MEMORY],
|
4766 | 08db7c5c | Iustin Pop | disks=self.disks,
|
4767 | d1c2dd75 | Iustin Pop | nics=nics, |
4768 | 8cc7e742 | Guido Trotter | hypervisor=self.op.hypervisor,
|
4769 | 29859cb7 | Iustin Pop | ) |
4770 | d1c2dd75 | Iustin Pop | |
4771 | d1c2dd75 | Iustin Pop | ial.Run(self.op.iallocator)
|
4772 | d1c2dd75 | Iustin Pop | |
4773 | d1c2dd75 | Iustin Pop | if not ial.success: |
4774 | 538475ca | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
4775 | 538475ca | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
4776 | d1c2dd75 | Iustin Pop | ial.info)) |
4777 | 27579978 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
4778 | 538475ca | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
4779 | 538475ca | Iustin Pop | " of nodes (%s), required %s" %
|
4780 | 97abc79f | Iustin Pop | (self.op.iallocator, len(ial.nodes), |
4781 | 1ce4bbe3 | Renรฉ Nussbaumer | ial.required_nodes)) |
4782 | d1c2dd75 | Iustin Pop | self.op.pnode = ial.nodes[0] |
4783 | 86d9d3bb | Iustin Pop | self.LogInfo("Selected nodes for instance %s via iallocator %s: %s", |
4784 | 86d9d3bb | Iustin Pop | self.op.instance_name, self.op.iallocator, |
4785 | 86d9d3bb | Iustin Pop | ", ".join(ial.nodes))
|
4786 | 27579978 | Iustin Pop | if ial.required_nodes == 2: |
4787 | d1c2dd75 | Iustin Pop | self.op.snode = ial.nodes[1] |
4788 | 538475ca | Iustin Pop | |
4789 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4790 | a8083063 | Iustin Pop | """Build hooks env.
|
4791 | a8083063 | Iustin Pop |
|
4792 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
4793 | a8083063 | Iustin Pop |
|
4794 | a8083063 | Iustin Pop | """
|
4795 | a8083063 | Iustin Pop | env = { |
4796 | 2c2690c9 | Iustin Pop | "ADD_MODE": self.op.mode, |
4797 | a8083063 | Iustin Pop | } |
4798 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
4799 | 2c2690c9 | Iustin Pop | env["SRC_NODE"] = self.op.src_node |
4800 | 2c2690c9 | Iustin Pop | env["SRC_PATH"] = self.op.src_path |
4801 | 2c2690c9 | Iustin Pop | env["SRC_IMAGES"] = self.src_images |
4802 | 396e1b78 | Michael Hanselmann | |
4803 | 2c2690c9 | Iustin Pop | env.update(_BuildInstanceHookEnv( |
4804 | 2c2690c9 | Iustin Pop | name=self.op.instance_name,
|
4805 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
4806 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
4807 | 4978db17 | Iustin Pop | status=self.op.start,
|
4808 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
4809 | 338e51e8 | Iustin Pop | memory=self.be_full[constants.BE_MEMORY],
|
4810 | 338e51e8 | Iustin Pop | vcpus=self.be_full[constants.BE_VCPUS],
|
4811 | f9b10246 | Guido Trotter | nics=_NICListToTuple(self, self.nics), |
4812 | 2c2690c9 | Iustin Pop | disk_template=self.op.disk_template,
|
4813 | 2c2690c9 | Iustin Pop | disks=[(d["size"], d["mode"]) for d in self.disks], |
4814 | 67fc3042 | Iustin Pop | bep=self.be_full,
|
4815 | 67fc3042 | Iustin Pop | hvp=self.hv_full,
|
4816 | 3df6e710 | Iustin Pop | hypervisor_name=self.op.hypervisor,
|
4817 | 396e1b78 | Michael Hanselmann | )) |
4818 | a8083063 | Iustin Pop | |
4819 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.op.pnode] + |
4820 | a8083063 | Iustin Pop | self.secondaries)
|
4821 | a8083063 | Iustin Pop | return env, nl, nl
|
4822 | a8083063 | Iustin Pop | |
4823 | a8083063 | Iustin Pop | |
4824 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4825 | a8083063 | Iustin Pop | """Check prerequisites.
|
4826 | a8083063 | Iustin Pop |
|
4827 | a8083063 | Iustin Pop | """
|
4828 | eedc99de | Manuel Franceschini | if (not self.cfg.GetVGName() and |
4829 | eedc99de | Manuel Franceschini | self.op.disk_template not in constants.DTS_NOT_LVM): |
4830 | eedc99de | Manuel Franceschini | raise errors.OpPrereqError("Cluster does not support lvm-based" |
4831 | eedc99de | Manuel Franceschini | " instances")
|
4832 | eedc99de | Manuel Franceschini | |
4833 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
4834 | 7baf741d | Guido Trotter | src_node = self.op.src_node
|
4835 | 7baf741d | Guido Trotter | src_path = self.op.src_path
|
4836 | a8083063 | Iustin Pop | |
4837 | c0cbdc67 | Guido Trotter | if src_node is None: |
4838 | 1b7bfbb7 | Iustin Pop | locked_nodes = self.acquired_locks[locking.LEVEL_NODE]
|
4839 | 1b7bfbb7 | Iustin Pop | exp_list = self.rpc.call_export_list(locked_nodes)
|
4840 | c0cbdc67 | Guido Trotter | found = False
|
4841 | c0cbdc67 | Guido Trotter | for node in exp_list: |
4842 | 4c4e4e1e | Iustin Pop | if exp_list[node].fail_msg:
|
4843 | 1b7bfbb7 | Iustin Pop | continue
|
4844 | 1b7bfbb7 | Iustin Pop | if src_path in exp_list[node].payload: |
4845 | c0cbdc67 | Guido Trotter | found = True
|
4846 | c0cbdc67 | Guido Trotter | self.op.src_node = src_node = node
|
4847 | c0cbdc67 | Guido Trotter | self.op.src_path = src_path = os.path.join(constants.EXPORT_DIR,
|
4848 | c0cbdc67 | Guido Trotter | src_path) |
4849 | c0cbdc67 | Guido Trotter | break
|
4850 | c0cbdc67 | Guido Trotter | if not found: |
4851 | c0cbdc67 | Guido Trotter | raise errors.OpPrereqError("No export found for relative path %s" % |
4852 | c0cbdc67 | Guido Trotter | src_path) |
4853 | c0cbdc67 | Guido Trotter | |
4854 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, src_node)
|
4855 | 781de953 | Iustin Pop | result = self.rpc.call_export_info(src_node, src_path)
|
4856 | 4c4e4e1e | Iustin Pop | result.Raise("No export or invalid export found in dir %s" % src_path)
|
4857 | a8083063 | Iustin Pop | |
4858 | 3eccac06 | Iustin Pop | export_info = objects.SerializableConfigParser.Loads(str(result.payload))
|
4859 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
4860 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
4861 | a8083063 | Iustin Pop | |
4862 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
4863 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
4864 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
4865 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
4866 | a8083063 | Iustin Pop | |
4867 | 09acf207 | Guido Trotter | # Check that the new instance doesn't have less disks than the export
|
4868 | 08db7c5c | Iustin Pop | instance_disks = len(self.disks) |
4869 | 09acf207 | Guido Trotter | export_disks = export_info.getint(constants.INISECT_INS, 'disk_count')
|
4870 | 09acf207 | Guido Trotter | if instance_disks < export_disks:
|
4871 | 09acf207 | Guido Trotter | raise errors.OpPrereqError("Not enough disks to import." |
4872 | 09acf207 | Guido Trotter | " (instance: %d, export: %d)" %
|
4873 | 726d7d68 | Iustin Pop | (instance_disks, export_disks)) |
4874 | a8083063 | Iustin Pop | |
4875 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
4876 | 09acf207 | Guido Trotter | disk_images = [] |
4877 | 09acf207 | Guido Trotter | for idx in range(export_disks): |
4878 | 09acf207 | Guido Trotter | option = 'disk%d_dump' % idx
|
4879 | 09acf207 | Guido Trotter | if export_info.has_option(constants.INISECT_INS, option):
|
4880 | 09acf207 | Guido Trotter | # FIXME: are the old os-es, disk sizes, etc. useful?
|
4881 | 09acf207 | Guido Trotter | export_name = export_info.get(constants.INISECT_INS, option) |
4882 | 09acf207 | Guido Trotter | image = os.path.join(src_path, export_name) |
4883 | 09acf207 | Guido Trotter | disk_images.append(image) |
4884 | 09acf207 | Guido Trotter | else:
|
4885 | 09acf207 | Guido Trotter | disk_images.append(False)
|
4886 | 09acf207 | Guido Trotter | |
4887 | 09acf207 | Guido Trotter | self.src_images = disk_images
|
4888 | 901a65c1 | Iustin Pop | |
4889 | b4364a6b | Guido Trotter | old_name = export_info.get(constants.INISECT_INS, 'name')
|
4890 | b4364a6b | Guido Trotter | # FIXME: int() here could throw a ValueError on broken exports
|
4891 | b4364a6b | Guido Trotter | exp_nic_count = int(export_info.get(constants.INISECT_INS, 'nic_count')) |
4892 | b4364a6b | Guido Trotter | if self.op.instance_name == old_name: |
4893 | b4364a6b | Guido Trotter | for idx, nic in enumerate(self.nics): |
4894 | b4364a6b | Guido Trotter | if nic.mac == constants.VALUE_AUTO and exp_nic_count >= idx: |
4895 | b4364a6b | Guido Trotter | nic_mac_ini = 'nic%d_mac' % idx
|
4896 | b4364a6b | Guido Trotter | nic.mac = export_info.get(constants.INISECT_INS, nic_mac_ini) |
4897 | bc89efc3 | Guido Trotter | |
4898 | 295728df | Guido Trotter | # ENDIF: self.op.mode == constants.INSTANCE_IMPORT
|
4899 | 7baf741d | Guido Trotter | # ip ping checks (we use the same ip that was resolved in ExpandNames)
|
4900 | 901a65c1 | Iustin Pop | if self.op.start and not self.op.ip_check: |
4901 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
4902 | 901a65c1 | Iustin Pop | " adding an instance in start mode")
|
4903 | 901a65c1 | Iustin Pop | |
4904 | 901a65c1 | Iustin Pop | if self.op.ip_check: |
4905 | 7baf741d | Guido Trotter | if utils.TcpPing(self.check_ip, constants.DEFAULT_NODED_PORT): |
4906 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
4907 | 7b3a8fb5 | Iustin Pop | (self.check_ip, self.op.instance_name)) |
4908 | 901a65c1 | Iustin Pop | |
4909 | 295728df | Guido Trotter | #### mac address generation
|
4910 | 295728df | Guido Trotter | # By generating here the mac address both the allocator and the hooks get
|
4911 | 295728df | Guido Trotter | # the real final mac address rather than the 'auto' or 'generate' value.
|
4912 | 295728df | Guido Trotter | # There is a race condition between the generation and the instance object
|
4913 | 295728df | Guido Trotter | # creation, which means that we know the mac is valid now, but we're not
|
4914 | 295728df | Guido Trotter | # sure it will be when we actually add the instance. If things go bad
|
4915 | 295728df | Guido Trotter | # adding the instance will abort because of a duplicate mac, and the
|
4916 | 295728df | Guido Trotter | # creation job will fail.
|
4917 | 295728df | Guido Trotter | for nic in self.nics: |
4918 | 295728df | Guido Trotter | if nic.mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
4919 | 295728df | Guido Trotter | nic.mac = self.cfg.GenerateMAC()
|
4920 | 295728df | Guido Trotter | |
4921 | 538475ca | Iustin Pop | #### allocator run
|
4922 | 538475ca | Iustin Pop | |
4923 | 538475ca | Iustin Pop | if self.op.iallocator is not None: |
4924 | 538475ca | Iustin Pop | self._RunAllocator()
|
4925 | 0f1a06e3 | Manuel Franceschini | |
4926 | 901a65c1 | Iustin Pop | #### node related checks
|
4927 | 901a65c1 | Iustin Pop | |
4928 | 901a65c1 | Iustin Pop | # check primary node
|
4929 | 7baf741d | Guido Trotter | self.pnode = pnode = self.cfg.GetNodeInfo(self.op.pnode) |
4930 | 7baf741d | Guido Trotter | assert self.pnode is not None, \ |
4931 | 7baf741d | Guido Trotter | "Cannot retrieve locked node %s" % self.op.pnode |
4932 | 7527a8a4 | Iustin Pop | if pnode.offline:
|
4933 | 7527a8a4 | Iustin Pop | raise errors.OpPrereqError("Cannot use offline primary node '%s'" % |
4934 | 7527a8a4 | Iustin Pop | pnode.name) |
4935 | 733a2b6a | Iustin Pop | if pnode.drained:
|
4936 | 733a2b6a | Iustin Pop | raise errors.OpPrereqError("Cannot use drained primary node '%s'" % |
4937 | 733a2b6a | Iustin Pop | pnode.name) |
4938 | 7527a8a4 | Iustin Pop | |
4939 | 901a65c1 | Iustin Pop | self.secondaries = []
|
4940 | 901a65c1 | Iustin Pop | |
4941 | 901a65c1 | Iustin Pop | # mirror node verification
|
4942 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
4943 | 7baf741d | Guido Trotter | if self.op.snode is None: |
4944 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
4945 | 3ecf6786 | Iustin Pop | " a mirror node")
|
4946 | 7baf741d | Guido Trotter | if self.op.snode == pnode.name: |
4947 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
4948 | 3ecf6786 | Iustin Pop | " the primary node.")
|
4949 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, self.op.snode) |
4950 | 733a2b6a | Iustin Pop | _CheckNodeNotDrained(self, self.op.snode) |
4951 | 733a2b6a | Iustin Pop | self.secondaries.append(self.op.snode) |
4952 | a8083063 | Iustin Pop | |
4953 | 6785674e | Iustin Pop | nodenames = [pnode.name] + self.secondaries
|
4954 | 6785674e | Iustin Pop | |
4955 | e2fe6369 | Iustin Pop | req_size = _ComputeDiskSize(self.op.disk_template,
|
4956 | 08db7c5c | Iustin Pop | self.disks)
|
4957 | ed1ebc60 | Guido Trotter | |
4958 | 8d75db10 | Iustin Pop | # Check lv size requirements
|
4959 | 8d75db10 | Iustin Pop | if req_size is not None: |
4960 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
4961 | 72737a7f | Iustin Pop | self.op.hypervisor)
|
4962 | 8d75db10 | Iustin Pop | for node in nodenames: |
4963 | 781de953 | Iustin Pop | info = nodeinfo[node] |
4964 | 4c4e4e1e | Iustin Pop | info.Raise("Cannot get current information from node %s" % node)
|
4965 | 070e998b | Iustin Pop | info = info.payload |
4966 | 8d75db10 | Iustin Pop | vg_free = info.get('vg_free', None) |
4967 | 8d75db10 | Iustin Pop | if not isinstance(vg_free, int): |
4968 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
4969 | 8d75db10 | Iustin Pop | " node %s" % node)
|
4970 | 070e998b | Iustin Pop | if req_size > vg_free:
|
4971 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
4972 | 8d75db10 | Iustin Pop | " %d MB available, %d MB required" %
|
4973 | 070e998b | Iustin Pop | (node, vg_free, req_size)) |
4974 | ed1ebc60 | Guido Trotter | |
4975 | 74409b12 | Iustin Pop | _CheckHVParams(self, nodenames, self.op.hypervisor, self.op.hvparams) |
4976 | 6785674e | Iustin Pop | |
4977 | a8083063 | Iustin Pop | # os verification
|
4978 | 781de953 | Iustin Pop | result = self.rpc.call_os_get(pnode.name, self.op.os_type) |
4979 | 4c4e4e1e | Iustin Pop | result.Raise("OS '%s' not in supported os list for primary node %s" %
|
4980 | 4c4e4e1e | Iustin Pop | (self.op.os_type, pnode.name), prereq=True) |
4981 | a8083063 | Iustin Pop | |
4982 | b165e77e | Guido Trotter | _CheckNicsBridgesExist(self, self.nics, self.pnode.name) |
4983 | a8083063 | Iustin Pop | |
4984 | 49ce1563 | Iustin Pop | # memory check on primary node
|
4985 | 49ce1563 | Iustin Pop | if self.op.start: |
4986 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, self.pnode.name, |
4987 | 49ce1563 | Iustin Pop | "creating instance %s" % self.op.instance_name, |
4988 | 338e51e8 | Iustin Pop | self.be_full[constants.BE_MEMORY],
|
4989 | 338e51e8 | Iustin Pop | self.op.hypervisor)
|
4990 | 49ce1563 | Iustin Pop | |
4991 | 08896026 | Iustin Pop | self.dry_run_result = list(nodenames) |
4992 | 08896026 | Iustin Pop | |
4993 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4994 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
4995 | a8083063 | Iustin Pop |
|
4996 | a8083063 | Iustin Pop | """
|
4997 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
4998 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
4999 | a8083063 | Iustin Pop | |
5000 | e69d05fd | Iustin Pop | ht_kind = self.op.hypervisor
|
5001 | 2a6469d5 | Alexander Schreiber | if ht_kind in constants.HTS_REQ_PORT: |
5002 | 2a6469d5 | Alexander Schreiber | network_port = self.cfg.AllocatePort()
|
5003 | 2a6469d5 | Alexander Schreiber | else:
|
5004 | 2a6469d5 | Alexander Schreiber | network_port = None
|
5005 | 58acb49d | Alexander Schreiber | |
5006 | 6785674e | Iustin Pop | ##if self.op.vnc_bind_address is None:
|
5007 | 6785674e | Iustin Pop | ## self.op.vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS
|
5008 | 31a853d2 | Iustin Pop | |
5009 | 2c313123 | Manuel Franceschini | # this is needed because os.path.join does not accept None arguments
|
5010 | 2c313123 | Manuel Franceschini | if self.op.file_storage_dir is None: |
5011 | 2c313123 | Manuel Franceschini | string_file_storage_dir = ""
|
5012 | 2c313123 | Manuel Franceschini | else:
|
5013 | 2c313123 | Manuel Franceschini | string_file_storage_dir = self.op.file_storage_dir
|
5014 | 2c313123 | Manuel Franceschini | |
5015 | 0f1a06e3 | Manuel Franceschini | # build the full file storage dir path
|
5016 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.normpath(os.path.join( |
5017 | d6a02168 | Michael Hanselmann | self.cfg.GetFileStorageDir(),
|
5018 | 2c313123 | Manuel Franceschini | string_file_storage_dir, instance)) |
5019 | 0f1a06e3 | Manuel Franceschini | |
5020 | 0f1a06e3 | Manuel Franceschini | |
5021 | b9bddb6b | Iustin Pop | disks = _GenerateDiskTemplate(self,
|
5022 | a8083063 | Iustin Pop | self.op.disk_template,
|
5023 | a8083063 | Iustin Pop | instance, pnode_name, |
5024 | 08db7c5c | Iustin Pop | self.secondaries,
|
5025 | 08db7c5c | Iustin Pop | self.disks,
|
5026 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, |
5027 | e2a65344 | Iustin Pop | self.op.file_driver,
|
5028 | e2a65344 | Iustin Pop | 0)
|
5029 | a8083063 | Iustin Pop | |
5030 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
5031 | a8083063 | Iustin Pop | primary_node=pnode_name, |
5032 | 08db7c5c | Iustin Pop | nics=self.nics, disks=disks,
|
5033 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
5034 | 4978db17 | Iustin Pop | admin_up=False,
|
5035 | 58acb49d | Alexander Schreiber | network_port=network_port, |
5036 | 338e51e8 | Iustin Pop | beparams=self.op.beparams,
|
5037 | 6785674e | Iustin Pop | hvparams=self.op.hvparams,
|
5038 | e69d05fd | Iustin Pop | hypervisor=self.op.hypervisor,
|
5039 | a8083063 | Iustin Pop | ) |
5040 | a8083063 | Iustin Pop | |
5041 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
5042 | 796cab27 | Iustin Pop | try:
|
5043 | 796cab27 | Iustin Pop | _CreateDisks(self, iobj)
|
5044 | 796cab27 | Iustin Pop | except errors.OpExecError:
|
5045 | 796cab27 | Iustin Pop | self.LogWarning("Device creation failed, reverting...") |
5046 | 796cab27 | Iustin Pop | try:
|
5047 | 796cab27 | Iustin Pop | _RemoveDisks(self, iobj)
|
5048 | 796cab27 | Iustin Pop | finally:
|
5049 | 796cab27 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance)
|
5050 | 796cab27 | Iustin Pop | raise
|
5051 | a8083063 | Iustin Pop | |
5052 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
5053 | a8083063 | Iustin Pop | |
5054 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
5055 | 7baf741d | Guido Trotter | # Declare that we don't want to remove the instance lock anymore, as we've
|
5056 | 7baf741d | Guido Trotter | # added the instance to the config
|
5057 | 7baf741d | Guido Trotter | del self.remove_locks[locking.LEVEL_INSTANCE] |
5058 | e36e96b4 | Guido Trotter | # Unlock all the nodes
|
5059 | 9c8971d7 | Guido Trotter | if self.op.mode == constants.INSTANCE_IMPORT: |
5060 | 9c8971d7 | Guido Trotter | nodes_keep = [self.op.src_node]
|
5061 | 9c8971d7 | Guido Trotter | nodes_release = [node for node in self.acquired_locks[locking.LEVEL_NODE] |
5062 | 9c8971d7 | Guido Trotter | if node != self.op.src_node] |
5063 | 9c8971d7 | Guido Trotter | self.context.glm.release(locking.LEVEL_NODE, nodes_release)
|
5064 | 9c8971d7 | Guido Trotter | self.acquired_locks[locking.LEVEL_NODE] = nodes_keep
|
5065 | 9c8971d7 | Guido Trotter | else:
|
5066 | 9c8971d7 | Guido Trotter | self.context.glm.release(locking.LEVEL_NODE)
|
5067 | 9c8971d7 | Guido Trotter | del self.acquired_locks[locking.LEVEL_NODE] |
5068 | a8083063 | Iustin Pop | |
5069 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
5070 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj) |
5071 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
5072 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
5073 | a8083063 | Iustin Pop | time.sleep(15)
|
5074 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
5075 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj, oneshot=True) |
5076 | a8083063 | Iustin Pop | else:
|
5077 | a8083063 | Iustin Pop | disk_abort = False
|
5078 | a8083063 | Iustin Pop | |
5079 | a8083063 | Iustin Pop | if disk_abort:
|
5080 | b9bddb6b | Iustin Pop | _RemoveDisks(self, iobj)
|
5081 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
5082 | 7baf741d | Guido Trotter | # Make sure the instance lock gets removed
|
5083 | 7baf741d | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = iobj.name
|
5084 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
5085 | 3ecf6786 | Iustin Pop | " this instance")
|
5086 | a8083063 | Iustin Pop | |
5087 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
5088 | a8083063 | Iustin Pop | (instance, pnode_name)) |
5089 | a8083063 | Iustin Pop | |
5090 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
5091 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
5092 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
5093 | e557bae9 | Guido Trotter | result = self.rpc.call_instance_os_add(pnode_name, iobj, False) |
5094 | 4c4e4e1e | Iustin Pop | result.Raise("Could not add os for instance %s"
|
5095 | 4c4e4e1e | Iustin Pop | " on node %s" % (instance, pnode_name))
|
5096 | a8083063 | Iustin Pop | |
5097 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
5098 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
5099 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
5100 | 09acf207 | Guido Trotter | src_images = self.src_images
|
5101 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
5102 | 6c0af70e | Guido Trotter | import_result = self.rpc.call_instance_os_import(pnode_name, iobj,
|
5103 | 09acf207 | Guido Trotter | src_node, src_images, |
5104 | 6c0af70e | Guido Trotter | cluster_name) |
5105 | 4c4e4e1e | Iustin Pop | msg = import_result.fail_msg |
5106 | 944bf548 | Iustin Pop | if msg:
|
5107 | 944bf548 | Iustin Pop | self.LogWarning("Error while importing the disk images for instance" |
5108 | 944bf548 | Iustin Pop | " %s on node %s: %s" % (instance, pnode_name, msg))
|
5109 | a8083063 | Iustin Pop | else:
|
5110 | a8083063 | Iustin Pop | # also checked in the prereq part
|
5111 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
5112 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
5113 | a8083063 | Iustin Pop | |
5114 | a8083063 | Iustin Pop | if self.op.start: |
5115 | 4978db17 | Iustin Pop | iobj.admin_up = True
|
5116 | 4978db17 | Iustin Pop | self.cfg.Update(iobj)
|
5117 | 9a4f63d1 | Iustin Pop | logging.info("Starting instance %s on node %s", instance, pnode_name)
|
5118 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
5119 | 0eca8e0c | Iustin Pop | result = self.rpc.call_instance_start(pnode_name, iobj, None, None) |
5120 | 4c4e4e1e | Iustin Pop | result.Raise("Could not start instance")
|
5121 | a8083063 | Iustin Pop | |
5122 | 08896026 | Iustin Pop | return list(iobj.all_nodes) |
5123 | 08896026 | Iustin Pop | |
5124 | a8083063 | Iustin Pop | |
5125 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
5126 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
5127 | a8083063 | Iustin Pop |
|
5128 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
5129 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
5130 | a8083063 | Iustin Pop | console.
|
5131 | a8083063 | Iustin Pop |
|
5132 | a8083063 | Iustin Pop | """
|
5133 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
5134 | 8659b73e | Guido Trotter | REQ_BGL = False
|
5135 | 8659b73e | Guido Trotter | |
5136 | 8659b73e | Guido Trotter | def ExpandNames(self): |
5137 | 8659b73e | Guido Trotter | self._ExpandAndLockInstance()
|
5138 | a8083063 | Iustin Pop | |
5139 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5140 | a8083063 | Iustin Pop | """Check prerequisites.
|
5141 | a8083063 | Iustin Pop |
|
5142 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
5143 | a8083063 | Iustin Pop |
|
5144 | a8083063 | Iustin Pop | """
|
5145 | 8659b73e | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
5146 | 8659b73e | Guido Trotter | assert self.instance is not None, \ |
5147 | 8659b73e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
5148 | 513e896d | Guido Trotter | _CheckNodeOnline(self, self.instance.primary_node) |
5149 | a8083063 | Iustin Pop | |
5150 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
5151 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
5152 | a8083063 | Iustin Pop |
|
5153 | a8083063 | Iustin Pop | """
|
5154 | a8083063 | Iustin Pop | instance = self.instance
|
5155 | a8083063 | Iustin Pop | node = instance.primary_node |
5156 | a8083063 | Iustin Pop | |
5157 | 72737a7f | Iustin Pop | node_insts = self.rpc.call_instance_list([node],
|
5158 | 72737a7f | Iustin Pop | [instance.hypervisor])[node] |
5159 | 4c4e4e1e | Iustin Pop | node_insts.Raise("Can't get node information from %s" % node)
|
5160 | a8083063 | Iustin Pop | |
5161 | aca13712 | Iustin Pop | if instance.name not in node_insts.payload: |
5162 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
5163 | a8083063 | Iustin Pop | |
5164 | 9a4f63d1 | Iustin Pop | logging.debug("Connecting to console of %s on %s", instance.name, node)
|
5165 | a8083063 | Iustin Pop | |
5166 | e69d05fd | Iustin Pop | hyper = hypervisor.GetHypervisor(instance.hypervisor) |
5167 | 5431b2e4 | Guido Trotter | cluster = self.cfg.GetClusterInfo()
|
5168 | 5431b2e4 | Guido Trotter | # beparams and hvparams are passed separately, to avoid editing the
|
5169 | 5431b2e4 | Guido Trotter | # instance and then saving the defaults in the instance itself.
|
5170 | 5431b2e4 | Guido Trotter | hvparams = cluster.FillHV(instance) |
5171 | 5431b2e4 | Guido Trotter | beparams = cluster.FillBE(instance) |
5172 | 5431b2e4 | Guido Trotter | console_cmd = hyper.GetShellCommandForConsole(instance, hvparams, beparams) |
5173 | b047857b | Michael Hanselmann | |
5174 | 82122173 | Iustin Pop | # build ssh cmdline
|
5175 | 0a80a26f | Michael Hanselmann | return self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True) |
5176 | a8083063 | Iustin Pop | |
5177 | a8083063 | Iustin Pop | |
5178 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
5179 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
5180 | a8083063 | Iustin Pop |
|
5181 | a8083063 | Iustin Pop | """
|
5182 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
5183 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
5184 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
5185 | efd990e4 | Guido Trotter | REQ_BGL = False
|
5186 | efd990e4 | Guido Trotter | |
5187 | 7e9366f7 | Iustin Pop | def CheckArguments(self): |
5188 | efd990e4 | Guido Trotter | if not hasattr(self.op, "remote_node"): |
5189 | efd990e4 | Guido Trotter | self.op.remote_node = None |
5190 | 7e9366f7 | Iustin Pop | if not hasattr(self.op, "iallocator"): |
5191 | 7e9366f7 | Iustin Pop | self.op.iallocator = None |
5192 | 7e9366f7 | Iustin Pop | |
5193 | 2bb5c911 | Michael Hanselmann | _DiskReplacer.CheckArguments(self.op.mode, self.op.remote_node, |
5194 | 2bb5c911 | Michael Hanselmann | self.op.iallocator)
|
5195 | 7e9366f7 | Iustin Pop | |
5196 | 7e9366f7 | Iustin Pop | def ExpandNames(self): |
5197 | 7e9366f7 | Iustin Pop | self._ExpandAndLockInstance()
|
5198 | 7e9366f7 | Iustin Pop | |
5199 | 7e9366f7 | Iustin Pop | if self.op.iallocator is not None: |
5200 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5201 | 2bb5c911 | Michael Hanselmann | |
5202 | efd990e4 | Guido Trotter | elif self.op.remote_node is not None: |
5203 | efd990e4 | Guido Trotter | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
5204 | efd990e4 | Guido Trotter | if remote_node is None: |
5205 | efd990e4 | Guido Trotter | raise errors.OpPrereqError("Node '%s' not known" % |
5206 | efd990e4 | Guido Trotter | self.op.remote_node)
|
5207 | 2bb5c911 | Michael Hanselmann | |
5208 | efd990e4 | Guido Trotter | self.op.remote_node = remote_node
|
5209 | 2bb5c911 | Michael Hanselmann | |
5210 | 3b559640 | Iustin Pop | # Warning: do not remove the locking of the new secondary here
|
5211 | 3b559640 | Iustin Pop | # unless DRBD8.AddChildren is changed to work in parallel;
|
5212 | 3b559640 | Iustin Pop | # currently it doesn't since parallel invocations of
|
5213 | 3b559640 | Iustin Pop | # FindUnusedMinor will conflict
|
5214 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = [remote_node]
|
5215 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
|
5216 | 2bb5c911 | Michael Hanselmann | |
5217 | efd990e4 | Guido Trotter | else:
|
5218 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
5219 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
5220 | efd990e4 | Guido Trotter | |
5221 | 2bb5c911 | Michael Hanselmann | self.replacer = _DiskReplacer(self, self.op.instance_name, self.op.mode, |
5222 | 2bb5c911 | Michael Hanselmann | self.op.iallocator, self.op.remote_node, |
5223 | 2bb5c911 | Michael Hanselmann | self.op.disks)
|
5224 | 2bb5c911 | Michael Hanselmann | |
5225 | efd990e4 | Guido Trotter | def DeclareLocks(self, level): |
5226 | efd990e4 | Guido Trotter | # If we're not already locking all nodes in the set we have to declare the
|
5227 | efd990e4 | Guido Trotter | # instance's primary/secondary nodes.
|
5228 | efd990e4 | Guido Trotter | if (level == locking.LEVEL_NODE and |
5229 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET): |
5230 | efd990e4 | Guido Trotter | self._LockInstancesNodes()
|
5231 | a8083063 | Iustin Pop | |
5232 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
5233 | a8083063 | Iustin Pop | """Build hooks env.
|
5234 | a8083063 | Iustin Pop |
|
5235 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
5236 | a8083063 | Iustin Pop |
|
5237 | a8083063 | Iustin Pop | """
|
5238 | 2bb5c911 | Michael Hanselmann | instance = self.replacer.instance
|
5239 | a8083063 | Iustin Pop | env = { |
5240 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
5241 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
5242 | 2bb5c911 | Michael Hanselmann | "OLD_SECONDARY": instance.secondary_nodes[0], |
5243 | a8083063 | Iustin Pop | } |
5244 | 2bb5c911 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self, instance))
|
5245 | 0834c866 | Iustin Pop | nl = [ |
5246 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
5247 | 2bb5c911 | Michael Hanselmann | instance.primary_node, |
5248 | 0834c866 | Iustin Pop | ] |
5249 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
5250 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
5251 | a8083063 | Iustin Pop | return env, nl, nl
|
5252 | a8083063 | Iustin Pop | |
5253 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5254 | a8083063 | Iustin Pop | """Check prerequisites.
|
5255 | a8083063 | Iustin Pop |
|
5256 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
5257 | a8083063 | Iustin Pop |
|
5258 | a8083063 | Iustin Pop | """
|
5259 | 2bb5c911 | Michael Hanselmann | self.replacer.CheckPrereq()
|
5260 | a8083063 | Iustin Pop | |
5261 | 2bb5c911 | Michael Hanselmann | def Exec(self, feedback_fn): |
5262 | 2bb5c911 | Michael Hanselmann | """Execute disk replacement.
|
5263 | 2bb5c911 | Michael Hanselmann |
|
5264 | 2bb5c911 | Michael Hanselmann | This dispatches the disk replacement to the appropriate handler.
|
5265 | 2bb5c911 | Michael Hanselmann |
|
5266 | 2bb5c911 | Michael Hanselmann | """
|
5267 | 2bb5c911 | Michael Hanselmann | self.replacer.Exec()
|
5268 | 2bb5c911 | Michael Hanselmann | |
5269 | 2bb5c911 | Michael Hanselmann | |
5270 | 2bb5c911 | Michael Hanselmann | class _DiskReplacer: |
5271 | 2bb5c911 | Michael Hanselmann | """Replaces disks for an instance.
|
5272 | 2bb5c911 | Michael Hanselmann |
|
5273 | 2bb5c911 | Michael Hanselmann | Note: Locking is not within the scope of this class.
|
5274 | 2bb5c911 | Michael Hanselmann |
|
5275 | 2bb5c911 | Michael Hanselmann | """
|
5276 | 2bb5c911 | Michael Hanselmann | def __init__(self, lu, instance_name, mode, iallocator_name, remote_node, |
5277 | 2bb5c911 | Michael Hanselmann | disks): |
5278 | 2bb5c911 | Michael Hanselmann | """Initializes this class.
|
5279 | 2bb5c911 | Michael Hanselmann |
|
5280 | 2bb5c911 | Michael Hanselmann | """
|
5281 | 2bb5c911 | Michael Hanselmann | # Parameters
|
5282 | 2bb5c911 | Michael Hanselmann | self.lu = lu
|
5283 | 2bb5c911 | Michael Hanselmann | self.instance_name = instance_name
|
5284 | 2bb5c911 | Michael Hanselmann | self.mode = mode
|
5285 | 2bb5c911 | Michael Hanselmann | self.iallocator_name = iallocator_name
|
5286 | 2bb5c911 | Michael Hanselmann | self.remote_node = remote_node
|
5287 | 2bb5c911 | Michael Hanselmann | self.disks = disks
|
5288 | 2bb5c911 | Michael Hanselmann | |
5289 | 2bb5c911 | Michael Hanselmann | # Shortcuts
|
5290 | 2bb5c911 | Michael Hanselmann | self.cfg = lu.cfg
|
5291 | 2bb5c911 | Michael Hanselmann | self.rpc = lu.rpc
|
5292 | 2bb5c911 | Michael Hanselmann | |
5293 | 2bb5c911 | Michael Hanselmann | # Runtime data
|
5294 | 2bb5c911 | Michael Hanselmann | self.instance = None |
5295 | 2bb5c911 | Michael Hanselmann | self.new_node = None |
5296 | 2bb5c911 | Michael Hanselmann | self.target_node = None |
5297 | 2bb5c911 | Michael Hanselmann | self.other_node = None |
5298 | 2bb5c911 | Michael Hanselmann | self.remote_node_info = None |
5299 | 2bb5c911 | Michael Hanselmann | self.node_secondary_ip = None |
5300 | 2bb5c911 | Michael Hanselmann | |
5301 | 2bb5c911 | Michael Hanselmann | @staticmethod
|
5302 | 2bb5c911 | Michael Hanselmann | def CheckArguments(mode, remote_node, iallocator): |
5303 | 2bb5c911 | Michael Hanselmann | # check for valid parameter combination
|
5304 | 2bb5c911 | Michael Hanselmann | cnt = [remote_node, iallocator].count(None)
|
5305 | 2bb5c911 | Michael Hanselmann | if mode == constants.REPLACE_DISK_CHG:
|
5306 | 2bb5c911 | Michael Hanselmann | if cnt == 2: |
5307 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("When changing the secondary either an" |
5308 | 2bb5c911 | Michael Hanselmann | " iallocator script must be used or the"
|
5309 | 2bb5c911 | Michael Hanselmann | " new node given")
|
5310 | 2bb5c911 | Michael Hanselmann | elif cnt == 0: |
5311 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("Give either the iallocator or the new" |
5312 | 2bb5c911 | Michael Hanselmann | " secondary, not both")
|
5313 | 2bb5c911 | Michael Hanselmann | else: # not replacing the secondary |
5314 | 2bb5c911 | Michael Hanselmann | if cnt != 2: |
5315 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("The iallocator and new node options can" |
5316 | 2bb5c911 | Michael Hanselmann | " be used only when changing the"
|
5317 | 2bb5c911 | Michael Hanselmann | " secondary node")
|
5318 | 2bb5c911 | Michael Hanselmann | |
5319 | 2bb5c911 | Michael Hanselmann | @staticmethod
|
5320 | 2bb5c911 | Michael Hanselmann | def _RunAllocator(lu, iallocator_name, instance_name, relocate_from): |
5321 | 2bb5c911 | Michael Hanselmann | """Compute a new secondary node using an IAllocator.
|
5322 | 2bb5c911 | Michael Hanselmann |
|
5323 | 2bb5c911 | Michael Hanselmann | """
|
5324 | 2bb5c911 | Michael Hanselmann | ial = IAllocator(lu.cfg, lu.rpc, |
5325 | 2bb5c911 | Michael Hanselmann | mode=constants.IALLOCATOR_MODE_RELOC, |
5326 | 2bb5c911 | Michael Hanselmann | name=instance_name, |
5327 | 2bb5c911 | Michael Hanselmann | relocate_from=relocate_from) |
5328 | 2bb5c911 | Michael Hanselmann | |
5329 | 2bb5c911 | Michael Hanselmann | ial.Run(iallocator_name) |
5330 | 2bb5c911 | Michael Hanselmann | |
5331 | 2bb5c911 | Michael Hanselmann | if not ial.success: |
5332 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("Can't compute nodes using iallocator '%s':" |
5333 | 2bb5c911 | Michael Hanselmann | " %s" % (iallocator_name, ial.info))
|
5334 | 2bb5c911 | Michael Hanselmann | |
5335 | 2bb5c911 | Michael Hanselmann | if len(ial.nodes) != ial.required_nodes: |
5336 | 2bb5c911 | Michael Hanselmann | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
5337 | 2bb5c911 | Michael Hanselmann | " of nodes (%s), required %s" %
|
5338 | 2bb5c911 | Michael Hanselmann | (len(ial.nodes), ial.required_nodes))
|
5339 | 2bb5c911 | Michael Hanselmann | |
5340 | 2bb5c911 | Michael Hanselmann | remote_node_name = ial.nodes[0]
|
5341 | 2bb5c911 | Michael Hanselmann | |
5342 | 2bb5c911 | Michael Hanselmann | lu.LogInfo("Selected new secondary for instance '%s': %s",
|
5343 | 2bb5c911 | Michael Hanselmann | instance_name, remote_node_name) |
5344 | 2bb5c911 | Michael Hanselmann | |
5345 | 2bb5c911 | Michael Hanselmann | return remote_node_name
|
5346 | 2bb5c911 | Michael Hanselmann | |
5347 | 2bb5c911 | Michael Hanselmann | def CheckPrereq(self): |
5348 | 2bb5c911 | Michael Hanselmann | """Check prerequisites.
|
5349 | 2bb5c911 | Michael Hanselmann |
|
5350 | 2bb5c911 | Michael Hanselmann | This checks that the instance is in the cluster.
|
5351 | 2bb5c911 | Michael Hanselmann |
|
5352 | 2bb5c911 | Michael Hanselmann | """
|
5353 | 2bb5c911 | Michael Hanselmann | self.instance = self.cfg.GetInstanceInfo(self.instance_name) |
5354 | 2bb5c911 | Michael Hanselmann | assert self.instance is not None, \ |
5355 | 2bb5c911 | Michael Hanselmann | "Cannot retrieve locked instance %s" % self.instance_name |
5356 | 2bb5c911 | Michael Hanselmann | |
5357 | 2bb5c911 | Michael Hanselmann | if self.instance.disk_template != constants.DT_DRBD8: |
5358 | 7e9366f7 | Iustin Pop | raise errors.OpPrereqError("Can only run replace disks for DRBD8-based" |
5359 | 7e9366f7 | Iustin Pop | " instances")
|
5360 | a8083063 | Iustin Pop | |
5361 | 2bb5c911 | Michael Hanselmann | if len(self.instance.secondary_nodes) != 1: |
5362 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
5363 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
5364 | 2bb5c911 | Michael Hanselmann | len(self.instance.secondary_nodes)) |
5365 | a8083063 | Iustin Pop | |
5366 | 2bb5c911 | Michael Hanselmann | secondary_node = self.instance.secondary_nodes[0] |
5367 | a9e0c397 | Iustin Pop | |
5368 | 2bb5c911 | Michael Hanselmann | if self.iallocator_name is None: |
5369 | 2bb5c911 | Michael Hanselmann | remote_node = self.remote_node
|
5370 | 2bb5c911 | Michael Hanselmann | else:
|
5371 | 2bb5c911 | Michael Hanselmann | remote_node = self._RunAllocator(self.lu, self.iallocator_name, |
5372 | 2bb5c911 | Michael Hanselmann | self.instance.name, secondary_node)
|
5373 | b6e82a65 | Iustin Pop | |
5374 | a9e0c397 | Iustin Pop | if remote_node is not None: |
5375 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
5376 | efd990e4 | Guido Trotter | assert self.remote_node_info is not None, \ |
5377 | efd990e4 | Guido Trotter | "Cannot retrieve locked node %s" % remote_node
|
5378 | a9e0c397 | Iustin Pop | else:
|
5379 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
5380 | 2bb5c911 | Michael Hanselmann | |
5381 | 2bb5c911 | Michael Hanselmann | if remote_node == self.instance.primary_node: |
5382 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
5383 | 3ecf6786 | Iustin Pop | " the instance.")
|
5384 | 2bb5c911 | Michael Hanselmann | |
5385 | 2bb5c911 | Michael Hanselmann | if remote_node == secondary_node:
|
5386 | 7e9366f7 | Iustin Pop | raise errors.OpPrereqError("The specified node is already the" |
5387 | 7e9366f7 | Iustin Pop | " secondary node of the instance.")
|
5388 | 7e9366f7 | Iustin Pop | |
5389 | 2bb5c911 | Michael Hanselmann | if self.mode == constants.REPLACE_DISK_PRI: |
5390 | 2bb5c911 | Michael Hanselmann | self.target_node = self.instance.primary_node |
5391 | 2bb5c911 | Michael Hanselmann | self.other_node = secondary_node
|
5392 | 2bb5c911 | Michael Hanselmann | check_nodes = [self.target_node, self.other_node] |
5393 | 7e9366f7 | Iustin Pop | |
5394 | 2bb5c911 | Michael Hanselmann | elif self.mode == constants.REPLACE_DISK_SEC: |
5395 | 2bb5c911 | Michael Hanselmann | self.target_node = secondary_node
|
5396 | 2bb5c911 | Michael Hanselmann | self.other_node = self.instance.primary_node |
5397 | 2bb5c911 | Michael Hanselmann | check_nodes = [self.target_node, self.other_node] |
5398 | a9e0c397 | Iustin Pop | |
5399 | 2bb5c911 | Michael Hanselmann | elif self.mode == constants.REPLACE_DISK_CHG: |
5400 | 2bb5c911 | Michael Hanselmann | self.new_node = remote_node
|
5401 | 2bb5c911 | Michael Hanselmann | self.other_node = self.instance.primary_node |
5402 | 2bb5c911 | Michael Hanselmann | self.target_node = secondary_node
|
5403 | 2bb5c911 | Michael Hanselmann | check_nodes = [self.new_node, self.other_node] |
5404 | 54155f52 | Iustin Pop | |
5405 | 2bb5c911 | Michael Hanselmann | _CheckNodeNotDrained(self.lu, remote_node)
|
5406 | a8083063 | Iustin Pop | |
5407 | 2bb5c911 | Michael Hanselmann | else:
|
5408 | 2bb5c911 | Michael Hanselmann | raise errors.ProgrammerError("Unhandled disk replace mode (%s)" % |
5409 | 2bb5c911 | Michael Hanselmann | self.mode)
|
5410 | a9e0c397 | Iustin Pop | |
5411 | 2bb5c911 | Michael Hanselmann | for node in check_nodes: |
5412 | 2bb5c911 | Michael Hanselmann | _CheckNodeOnline(self.lu, node)
|
5413 | e4376078 | Iustin Pop | |
5414 | 2bb5c911 | Michael Hanselmann | # If not specified all disks should be replaced
|
5415 | 2bb5c911 | Michael Hanselmann | if not self.disks: |
5416 | 2bb5c911 | Michael Hanselmann | self.disks = range(len(self.instance.disks)) |
5417 | e4376078 | Iustin Pop | |
5418 | 2bb5c911 | Michael Hanselmann | # Check whether disks are valid
|
5419 | 2bb5c911 | Michael Hanselmann | for disk_idx in self.disks: |
5420 | 2bb5c911 | Michael Hanselmann | self.instance.FindDisk(disk_idx)
|
5421 | e4376078 | Iustin Pop | |
5422 | 2bb5c911 | Michael Hanselmann | # Get secondary node IP addresses
|
5423 | 2bb5c911 | Michael Hanselmann | node_2nd_ip = {} |
5424 | e4376078 | Iustin Pop | |
5425 | 2bb5c911 | Michael Hanselmann | for node_name in [self.target_node, self.other_node, self.new_node]: |
5426 | 2bb5c911 | Michael Hanselmann | if node_name is not None: |
5427 | 2bb5c911 | Michael Hanselmann | node_2nd_ip[node_name] = self.cfg.GetNodeInfo(node_name).secondary_ip
|
5428 | e4376078 | Iustin Pop | |
5429 | 2bb5c911 | Michael Hanselmann | self.node_secondary_ip = node_2nd_ip
|
5430 | a9e0c397 | Iustin Pop | |
5431 | 2bb5c911 | Michael Hanselmann | def Exec(self): |
5432 | 2bb5c911 | Michael Hanselmann | """Execute disk replacement.
|
5433 | 2bb5c911 | Michael Hanselmann |
|
5434 | 2bb5c911 | Michael Hanselmann | This dispatches the disk replacement to the appropriate handler.
|
5435 | cff90b79 | Iustin Pop |
|
5436 | a9e0c397 | Iustin Pop | """
|
5437 | 2bb5c911 | Michael Hanselmann | activate_disks = (not self.instance.admin_up) |
5438 | 2bb5c911 | Michael Hanselmann | |
5439 | 2bb5c911 | Michael Hanselmann | # Activate the instance disks if we're replacing them on a down instance
|
5440 | 2bb5c911 | Michael Hanselmann | if activate_disks:
|
5441 | 2bb5c911 | Michael Hanselmann | _StartInstanceDisks(self.lu, self.instance, True) |
5442 | 2bb5c911 | Michael Hanselmann | |
5443 | 2bb5c911 | Michael Hanselmann | try:
|
5444 | 2bb5c911 | Michael Hanselmann | if self.mode == constants.REPLACE_DISK_CHG: |
5445 | 2bb5c911 | Michael Hanselmann | return self._ExecDrbd8Secondary() |
5446 | 2bb5c911 | Michael Hanselmann | else:
|
5447 | 2bb5c911 | Michael Hanselmann | return self._ExecDrbd8DiskOnly() |
5448 | 2bb5c911 | Michael Hanselmann | |
5449 | 2bb5c911 | Michael Hanselmann | finally:
|
5450 | 2bb5c911 | Michael Hanselmann | # Deactivate the instance disks if we're replacing them on a down instance
|
5451 | 2bb5c911 | Michael Hanselmann | if activate_disks:
|
5452 | 2bb5c911 | Michael Hanselmann | _SafeShutdownInstanceDisks(self.lu, self.instance) |
5453 | 2bb5c911 | Michael Hanselmann | |
5454 | 2bb5c911 | Michael Hanselmann | def _CheckVolumeGroup(self, nodes): |
5455 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Checking volume groups") |
5456 | 2bb5c911 | Michael Hanselmann | |
5457 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
5458 | cff90b79 | Iustin Pop | |
5459 | 2bb5c911 | Michael Hanselmann | # Make sure volume group exists on all involved nodes
|
5460 | 2bb5c911 | Michael Hanselmann | results = self.rpc.call_vg_list(nodes)
|
5461 | cff90b79 | Iustin Pop | if not results: |
5462 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
5463 | 2bb5c911 | Michael Hanselmann | |
5464 | 2bb5c911 | Michael Hanselmann | for node in nodes: |
5465 | 781de953 | Iustin Pop | res = results[node] |
5466 | 4c4e4e1e | Iustin Pop | res.Raise("Error checking node %s" % node)
|
5467 | 2bb5c911 | Michael Hanselmann | if vgname not in res.payload: |
5468 | 2bb5c911 | Michael Hanselmann | raise errors.OpExecError("Volume group '%s' not found on node %s" % |
5469 | 2bb5c911 | Michael Hanselmann | (vgname, node)) |
5470 | 2bb5c911 | Michael Hanselmann | |
5471 | 2bb5c911 | Michael Hanselmann | def _CheckDisksExistence(self, nodes): |
5472 | 2bb5c911 | Michael Hanselmann | # Check disk existence
|
5473 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
5474 | 2bb5c911 | Michael Hanselmann | if idx not in self.disks: |
5475 | cff90b79 | Iustin Pop | continue
|
5476 | 2bb5c911 | Michael Hanselmann | |
5477 | 2bb5c911 | Michael Hanselmann | for node in nodes: |
5478 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Checking disk/%d on %s" % (idx, node)) |
5479 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, node)
|
5480 | 2bb5c911 | Michael Hanselmann | |
5481 | 23829f6f | Iustin Pop | result = self.rpc.call_blockdev_find(node, dev)
|
5482 | 2bb5c911 | Michael Hanselmann | |
5483 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
5484 | 2bb5c911 | Michael Hanselmann | if msg or not result.payload: |
5485 | 2bb5c911 | Michael Hanselmann | if not msg: |
5486 | 2bb5c911 | Michael Hanselmann | msg = "disk not found"
|
5487 | 23829f6f | Iustin Pop | raise errors.OpExecError("Can't find disk/%d on node %s: %s" % |
5488 | 23829f6f | Iustin Pop | (idx, node, msg)) |
5489 | cff90b79 | Iustin Pop | |
5490 | 2bb5c911 | Michael Hanselmann | def _CheckDisksConsistency(self, node_name, on_primary, ldisk): |
5491 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
5492 | 2bb5c911 | Michael Hanselmann | if idx not in self.disks: |
5493 | cff90b79 | Iustin Pop | continue
|
5494 | cff90b79 | Iustin Pop | |
5495 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Checking disk/%d consistency on node %s" % |
5496 | 2bb5c911 | Michael Hanselmann | (idx, node_name)) |
5497 | 2bb5c911 | Michael Hanselmann | |
5498 | 2bb5c911 | Michael Hanselmann | if not _CheckDiskConsistency(self.lu, dev, node_name, on_primary, |
5499 | 2bb5c911 | Michael Hanselmann | ldisk=ldisk): |
5500 | 2bb5c911 | Michael Hanselmann | raise errors.OpExecError("Node %s has degraded storage, unsafe to" |
5501 | 2bb5c911 | Michael Hanselmann | " replace disks for instance %s" %
|
5502 | 2bb5c911 | Michael Hanselmann | (node_name, self.instance.name))
|
5503 | 2bb5c911 | Michael Hanselmann | |
5504 | 2bb5c911 | Michael Hanselmann | def _CreateNewStorage(self, node_name): |
5505 | 2bb5c911 | Michael Hanselmann | vgname = self.cfg.GetVGName()
|
5506 | 2bb5c911 | Michael Hanselmann | iv_names = {} |
5507 | 2bb5c911 | Michael Hanselmann | |
5508 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
5509 | 2bb5c911 | Michael Hanselmann | if idx not in self.disks: |
5510 | a9e0c397 | Iustin Pop | continue
|
5511 | 2bb5c911 | Michael Hanselmann | |
5512 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Adding storage on %s for disk/%d" % (node_name, idx)) |
5513 | 2bb5c911 | Michael Hanselmann | |
5514 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, node_name)
|
5515 | 2bb5c911 | Michael Hanselmann | |
5516 | 2bb5c911 | Michael Hanselmann | lv_names = [".disk%d_%s" % (idx, suffix) for suffix in ["data", "meta"]] |
5517 | 2bb5c911 | Michael Hanselmann | names = _GenerateUniqueNames(self.lu, lv_names)
|
5518 | 2bb5c911 | Michael Hanselmann | |
5519 | 2bb5c911 | Michael Hanselmann | lv_data = objects.Disk(dev_type=constants.LD_LV, size=dev.size, |
5520 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
5521 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
5522 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
5523 | 2bb5c911 | Michael Hanselmann | |
5524 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
5525 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
5526 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
5527 | 2bb5c911 | Michael Hanselmann | |
5528 | 428958aa | Iustin Pop | # we pass force_create=True to force the LVM creation
|
5529 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
5530 | 2bb5c911 | Michael Hanselmann | _CreateBlockDev(self.lu, node_name, self.instance, new_lv, True, |
5531 | 2bb5c911 | Michael Hanselmann | _GetInstanceInfoText(self.instance), False) |
5532 | 2bb5c911 | Michael Hanselmann | |
5533 | 2bb5c911 | Michael Hanselmann | return iv_names
|
5534 | 2bb5c911 | Michael Hanselmann | |
5535 | 2bb5c911 | Michael Hanselmann | def _CheckDevices(self, node_name, iv_names): |
5536 | 2bb5c911 | Michael Hanselmann | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
5537 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, node_name)
|
5538 | 2bb5c911 | Michael Hanselmann | |
5539 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_blockdev_find(node_name, dev)
|
5540 | 2bb5c911 | Michael Hanselmann | |
5541 | 2bb5c911 | Michael Hanselmann | msg = result.fail_msg |
5542 | 2bb5c911 | Michael Hanselmann | if msg or not result.payload: |
5543 | 2bb5c911 | Michael Hanselmann | if not msg: |
5544 | 2bb5c911 | Michael Hanselmann | msg = "disk not found"
|
5545 | 2bb5c911 | Michael Hanselmann | raise errors.OpExecError("Can't find DRBD device %s: %s" % |
5546 | 2bb5c911 | Michael Hanselmann | (name, msg)) |
5547 | 2bb5c911 | Michael Hanselmann | |
5548 | 2bb5c911 | Michael Hanselmann | if result.payload[5]: |
5549 | 2bb5c911 | Michael Hanselmann | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
5550 | 2bb5c911 | Michael Hanselmann | |
5551 | 2bb5c911 | Michael Hanselmann | def _RemoveOldStorage(self, node_name, iv_names): |
5552 | 2bb5c911 | Michael Hanselmann | for name, (dev, old_lvs, _) in iv_names.iteritems(): |
5553 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Remove logical volumes for %s" % name) |
5554 | 2bb5c911 | Michael Hanselmann | |
5555 | 2bb5c911 | Michael Hanselmann | for lv in old_lvs: |
5556 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(lv, node_name)
|
5557 | 2bb5c911 | Michael Hanselmann | |
5558 | 2bb5c911 | Michael Hanselmann | msg = self.rpc.call_blockdev_remove(node_name, lv).fail_msg
|
5559 | 2bb5c911 | Michael Hanselmann | if msg:
|
5560 | 2bb5c911 | Michael Hanselmann | self.lu.LogWarning("Can't remove old LV: %s" % msg, |
5561 | 2bb5c911 | Michael Hanselmann | hint="remove unused LVs manually")
|
5562 | 2bb5c911 | Michael Hanselmann | |
5563 | 2bb5c911 | Michael Hanselmann | def _ExecDrbd8DiskOnly(self): |
5564 | 2bb5c911 | Michael Hanselmann | """Replace a disk on the primary or secondary for DRBD 8.
|
5565 | 2bb5c911 | Michael Hanselmann |
|
5566 | 2bb5c911 | Michael Hanselmann | The algorithm for replace is quite complicated:
|
5567 | 2bb5c911 | Michael Hanselmann |
|
5568 | 2bb5c911 | Michael Hanselmann | 1. for each disk to be replaced:
|
5569 | 2bb5c911 | Michael Hanselmann |
|
5570 | 2bb5c911 | Michael Hanselmann | 1. create new LVs on the target node with unique names
|
5571 | 2bb5c911 | Michael Hanselmann | 1. detach old LVs from the drbd device
|
5572 | 2bb5c911 | Michael Hanselmann | 1. rename old LVs to name_replaced.<time_t>
|
5573 | 2bb5c911 | Michael Hanselmann | 1. rename new LVs to old LVs
|
5574 | 2bb5c911 | Michael Hanselmann | 1. attach the new LVs (with the old names now) to the drbd device
|
5575 | 2bb5c911 | Michael Hanselmann |
|
5576 | 2bb5c911 | Michael Hanselmann | 1. wait for sync across all devices
|
5577 | 2bb5c911 | Michael Hanselmann |
|
5578 | 2bb5c911 | Michael Hanselmann | 1. for each modified disk:
|
5579 | 2bb5c911 | Michael Hanselmann |
|
5580 | 2bb5c911 | Michael Hanselmann | 1. remove old LVs (which have the name name_replaces.<time_t>)
|
5581 | 2bb5c911 | Michael Hanselmann |
|
5582 | 2bb5c911 | Michael Hanselmann | Failures are not very well handled.
|
5583 | 2bb5c911 | Michael Hanselmann |
|
5584 | 2bb5c911 | Michael Hanselmann | """
|
5585 | 2bb5c911 | Michael Hanselmann | steps_total = 6
|
5586 | 2bb5c911 | Michael Hanselmann | |
5587 | 2bb5c911 | Michael Hanselmann | # Step: check device activation
|
5588 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(1, steps_total, "Check device existence") |
5589 | 2bb5c911 | Michael Hanselmann | self._CheckDisksExistence([self.other_node, self.target_node]) |
5590 | 2bb5c911 | Michael Hanselmann | self._CheckVolumeGroup([self.target_node, self.other_node]) |
5591 | 2bb5c911 | Michael Hanselmann | |
5592 | 2bb5c911 | Michael Hanselmann | # Step: check other node consistency
|
5593 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(2, steps_total, "Check peer consistency") |
5594 | 2bb5c911 | Michael Hanselmann | self._CheckDisksConsistency(self.other_node, |
5595 | 2bb5c911 | Michael Hanselmann | self.other_node == self.instance.primary_node, |
5596 | 2bb5c911 | Michael Hanselmann | False)
|
5597 | 2bb5c911 | Michael Hanselmann | |
5598 | 2bb5c911 | Michael Hanselmann | # Step: create new storage
|
5599 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(3, steps_total, "Allocate new storage") |
5600 | 2bb5c911 | Michael Hanselmann | iv_names = self._CreateNewStorage(self.target_node) |
5601 | a9e0c397 | Iustin Pop | |
5602 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
5603 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(4, steps_total, "Changing drbd configuration") |
5604 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
5605 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Detaching %s drbd from local storage" % dev.iv_name) |
5606 | 2bb5c911 | Michael Hanselmann | |
5607 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_blockdev_removechildren(self.target_node, dev, old_lvs) |
5608 | 4c4e4e1e | Iustin Pop | result.Raise("Can't detach drbd from local storage on node"
|
5609 | 2bb5c911 | Michael Hanselmann | " %s for device %s" % (self.target_node, dev.iv_name)) |
5610 | cff90b79 | Iustin Pop | #dev.children = []
|
5611 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
5612 | a9e0c397 | Iustin Pop | |
5613 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
5614 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
5615 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
5616 | c99a3cc0 | Manuel Franceschini | # using the assumption that logical_id == physical_id (which in
|
5617 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
5618 | cff90b79 | Iustin Pop | |
5619 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
5620 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
5621 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
5622 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
5623 | 2bb5c911 | Michael Hanselmann | |
5624 | 2bb5c911 | Michael Hanselmann | # Build the rename list based on what LVs exist on the node
|
5625 | 2bb5c911 | Michael Hanselmann | rename_old_to_new = [] |
5626 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
5627 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_blockdev_find(self.target_node, to_ren) |
5628 | 4c4e4e1e | Iustin Pop | if not result.fail_msg and result.payload: |
5629 | 23829f6f | Iustin Pop | # device exists
|
5630 | 2bb5c911 | Michael Hanselmann | rename_old_to_new.append((to_ren, ren_fn(to_ren, temp_suffix))) |
5631 | cff90b79 | Iustin Pop | |
5632 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Renaming the old LVs on the target node") |
5633 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_blockdev_rename(self.target_node, rename_old_to_new) |
5634 | 2bb5c911 | Michael Hanselmann | result.Raise("Can't rename old LVs on node %s" % self.target_node) |
5635 | 2bb5c911 | Michael Hanselmann | |
5636 | 2bb5c911 | Michael Hanselmann | # Now we rename the new LVs to the old LVs
|
5637 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Renaming the new LVs on the target node") |
5638 | 2bb5c911 | Michael Hanselmann | rename_new_to_old = [(new, old.physical_id) |
5639 | 2bb5c911 | Michael Hanselmann | for old, new in zip(old_lvs, new_lvs)] |
5640 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_blockdev_rename(self.target_node, rename_new_to_old) |
5641 | 2bb5c911 | Michael Hanselmann | result.Raise("Can't rename new LVs on node %s" % self.target_node) |
5642 | cff90b79 | Iustin Pop | |
5643 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
5644 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
5645 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(new, self.target_node) |
5646 | a9e0c397 | Iustin Pop | |
5647 | cff90b79 | Iustin Pop | for disk in old_lvs: |
5648 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
5649 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(disk, self.target_node) |
5650 | a9e0c397 | Iustin Pop | |
5651 | 2bb5c911 | Michael Hanselmann | # Now that the new lvs have the old name, we can add them to the device
|
5652 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Adding new mirror component on %s" % self.target_node) |
5653 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_blockdev_addchildren(self.target_node, dev, new_lvs) |
5654 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
5655 | 2cc1da8b | Iustin Pop | if msg:
|
5656 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
5657 | 2bb5c911 | Michael Hanselmann | msg2 = self.rpc.call_blockdev_remove(self.target_node, new_lv).fail_msg |
5658 | 4c4e4e1e | Iustin Pop | if msg2:
|
5659 | 2bb5c911 | Michael Hanselmann | self.lu.LogWarning("Can't rollback device %s: %s", dev, msg2, |
5660 | 2bb5c911 | Michael Hanselmann | hint=("cleanup manually the unused logical"
|
5661 | 2bb5c911 | Michael Hanselmann | "volumes"))
|
5662 | 2cc1da8b | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd: %s" % msg) |
5663 | a9e0c397 | Iustin Pop | |
5664 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
5665 | a9e0c397 | Iustin Pop | |
5666 | 2bb5c911 | Michael Hanselmann | self.cfg.Update(self.instance) |
5667 | a9e0c397 | Iustin Pop | |
5668 | 2bb5c911 | Michael Hanselmann | # Wait for sync
|
5669 | 2bb5c911 | Michael Hanselmann | # This can fail as the old devices are degraded and _WaitForSync
|
5670 | 2bb5c911 | Michael Hanselmann | # does a combined result over all disks, so we don't check its return value
|
5671 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(5, steps_total, "Sync devices") |
5672 | 2bb5c911 | Michael Hanselmann | _WaitForSync(self.lu, self.instance, unlock=True) |
5673 | a9e0c397 | Iustin Pop | |
5674 | 2bb5c911 | Michael Hanselmann | # Check all devices manually
|
5675 | 2bb5c911 | Michael Hanselmann | self._CheckDevices(self.instance.primary_node, iv_names) |
5676 | a9e0c397 | Iustin Pop | |
5677 | cff90b79 | Iustin Pop | # Step: remove old storage
|
5678 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(6, steps_total, "Removing old storage") |
5679 | 2bb5c911 | Michael Hanselmann | self._RemoveOldStorage(self.target_node, iv_names) |
5680 | a9e0c397 | Iustin Pop | |
5681 | 2bb5c911 | Michael Hanselmann | def _ExecDrbd8Secondary(self): |
5682 | 2bb5c911 | Michael Hanselmann | """Replace the secondary node for DRBD 8.
|
5683 | a9e0c397 | Iustin Pop |
|
5684 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
5685 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
5686 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
5687 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
5688 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
5689 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
5690 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
5691 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
5692 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
5693 | a9e0c397 | Iustin Pop | not network enabled
|
5694 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
5695 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
5696 | a9e0c397 | Iustin Pop |
|
5697 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
5698 | 0834c866 | Iustin Pop |
|
5699 | a9e0c397 | Iustin Pop | """
|
5700 | 0834c866 | Iustin Pop | steps_total = 6
|
5701 | 0834c866 | Iustin Pop | |
5702 | 0834c866 | Iustin Pop | # Step: check device activation
|
5703 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(1, steps_total, "Check device existence") |
5704 | 2bb5c911 | Michael Hanselmann | self._CheckDisksExistence([self.instance.primary_node]) |
5705 | 2bb5c911 | Michael Hanselmann | self._CheckVolumeGroup([self.instance.primary_node]) |
5706 | 0834c866 | Iustin Pop | |
5707 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
5708 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(2, steps_total, "Check peer consistency") |
5709 | 2bb5c911 | Michael Hanselmann | self._CheckDisksConsistency(self.instance.primary_node, True, True) |
5710 | 0834c866 | Iustin Pop | |
5711 | 0834c866 | Iustin Pop | # Step: create new storage
|
5712 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(3, steps_total, "Allocate new storage") |
5713 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
5714 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Adding new local storage on %s for disk/%d" % |
5715 | 2bb5c911 | Michael Hanselmann | (self.new_node, idx))
|
5716 | 428958aa | Iustin Pop | # we pass force_create=True to force LVM creation
|
5717 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
5718 | 2bb5c911 | Michael Hanselmann | _CreateBlockDev(self.lu, self.new_node, self.instance, new_lv, True, |
5719 | 2bb5c911 | Michael Hanselmann | _GetInstanceInfoText(self.instance), False) |
5720 | a9e0c397 | Iustin Pop | |
5721 | 468b46f9 | Iustin Pop | # Step 4: dbrd minors and drbd setups changes
|
5722 | a1578d63 | Iustin Pop | # after this, we must manually remove the drbd minors on both the
|
5723 | a1578d63 | Iustin Pop | # error and the success paths
|
5724 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(4, steps_total, "Changing drbd configuration") |
5725 | 2bb5c911 | Michael Hanselmann | minors = self.cfg.AllocateDRBDMinor([self.new_node for dev in self.instance.disks], |
5726 | 2bb5c911 | Michael Hanselmann | self.instance.name)
|
5727 | 2bb5c911 | Michael Hanselmann | logging.debug("Allocated minors %r" % (minors,))
|
5728 | 2bb5c911 | Michael Hanselmann | |
5729 | 2bb5c911 | Michael Hanselmann | iv_names = {} |
5730 | 2bb5c911 | Michael Hanselmann | for idx, (dev, new_minor) in enumerate(zip(self.instance.disks, minors)): |
5731 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("activating a new drbd on %s for disk/%d" % (self.new_node, idx)) |
5732 | a2d59d8b | Iustin Pop | # create new devices on new_node; note that we create two IDs:
|
5733 | a2d59d8b | Iustin Pop | # one without port, so the drbd will be activated without
|
5734 | a2d59d8b | Iustin Pop | # networking information on the new node at this stage, and one
|
5735 | a2d59d8b | Iustin Pop | # with network, for the latter activation in step 4
|
5736 | a2d59d8b | Iustin Pop | (o_node1, o_node2, o_port, o_minor1, o_minor2, o_secret) = dev.logical_id |
5737 | 2bb5c911 | Michael Hanselmann | if self.instance.primary_node == o_node1: |
5738 | a2d59d8b | Iustin Pop | p_minor = o_minor1 |
5739 | ffa1c0dc | Iustin Pop | else:
|
5740 | a2d59d8b | Iustin Pop | p_minor = o_minor2 |
5741 | a2d59d8b | Iustin Pop | |
5742 | 2bb5c911 | Michael Hanselmann | new_alone_id = (self.instance.primary_node, self.new_node, None, p_minor, new_minor, o_secret) |
5743 | 2bb5c911 | Michael Hanselmann | new_net_id = (self.instance.primary_node, self.new_node, o_port, p_minor, new_minor, o_secret) |
5744 | a2d59d8b | Iustin Pop | |
5745 | a2d59d8b | Iustin Pop | iv_names[idx] = (dev, dev.children, new_net_id) |
5746 | a1578d63 | Iustin Pop | logging.debug("Allocated new_minor: %s, new_logical_id: %s", new_minor,
|
5747 | a2d59d8b | Iustin Pop | new_net_id) |
5748 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
5749 | a2d59d8b | Iustin Pop | logical_id=new_alone_id, |
5750 | 8a6c7011 | Iustin Pop | children=dev.children, |
5751 | 8a6c7011 | Iustin Pop | size=dev.size) |
5752 | 796cab27 | Iustin Pop | try:
|
5753 | 2bb5c911 | Michael Hanselmann | _CreateSingleBlockDev(self.lu, self.new_node, self.instance, new_drbd, |
5754 | 2bb5c911 | Michael Hanselmann | _GetInstanceInfoText(self.instance), False) |
5755 | 82759cb1 | Iustin Pop | except errors.GenericError:
|
5756 | 2bb5c911 | Michael Hanselmann | self.cfg.ReleaseDRBDMinors(self.instance.name) |
5757 | 796cab27 | Iustin Pop | raise
|
5758 | a9e0c397 | Iustin Pop | |
5759 | 2bb5c911 | Michael Hanselmann | # We have new devices, shutdown the drbd on the old secondary
|
5760 | 2bb5c911 | Michael Hanselmann | for idx, dev in enumerate(self.instance.disks): |
5761 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Shutting down drbd for disk/%d on old node" % idx) |
5762 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, self.target_node) |
5763 | 2bb5c911 | Michael Hanselmann | msg = self.rpc.call_blockdev_shutdown(self.target_node, dev).fail_msg |
5764 | cacfd1fd | Iustin Pop | if msg:
|
5765 | 2bb5c911 | Michael Hanselmann | self.lu.LogWarning("Failed to shutdown drbd for disk/%d on old" |
5766 | 2bb5c911 | Michael Hanselmann | "node: %s" % (idx, msg),
|
5767 | 2bb5c911 | Michael Hanselmann | hint=("Please cleanup this device manually as"
|
5768 | 2bb5c911 | Michael Hanselmann | " soon as possible"))
|
5769 | a9e0c397 | Iustin Pop | |
5770 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Detaching primary drbds from the network (=> standalone)") |
5771 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_drbd_disconnect_net([self.instance.primary_node], self.node_secondary_ip, |
5772 | 2bb5c911 | Michael Hanselmann | self.instance.disks)[self.instance.primary_node] |
5773 | 642445d9 | Iustin Pop | |
5774 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
5775 | a2d59d8b | Iustin Pop | if msg:
|
5776 | a2d59d8b | Iustin Pop | # detaches didn't succeed (unlikely)
|
5777 | 2bb5c911 | Michael Hanselmann | self.cfg.ReleaseDRBDMinors(self.instance.name) |
5778 | a2d59d8b | Iustin Pop | raise errors.OpExecError("Can't detach the disks from the network on" |
5779 | a2d59d8b | Iustin Pop | " old node: %s" % (msg,))
|
5780 | 642445d9 | Iustin Pop | |
5781 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
5782 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
5783 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Updating instance configuration") |
5784 | 468b46f9 | Iustin Pop | for dev, _, new_logical_id in iv_names.itervalues(): |
5785 | 468b46f9 | Iustin Pop | dev.logical_id = new_logical_id |
5786 | 2bb5c911 | Michael Hanselmann | self.cfg.SetDiskID(dev, self.instance.primary_node) |
5787 | 2bb5c911 | Michael Hanselmann | |
5788 | 2bb5c911 | Michael Hanselmann | self.cfg.Update(self.instance) |
5789 | a9e0c397 | Iustin Pop | |
5790 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
5791 | 2bb5c911 | Michael Hanselmann | self.lu.LogInfo("Attaching primary drbds to new secondary" |
5792 | 2bb5c911 | Michael Hanselmann | " (standalone => connected)")
|
5793 | 2bb5c911 | Michael Hanselmann | result = self.rpc.call_drbd_attach_net([self.instance.primary_node, self.new_node], self.node_secondary_ip, |
5794 | 2bb5c911 | Michael Hanselmann | self.instance.disks, self.instance.name, |
5795 | a2d59d8b | Iustin Pop | False)
|
5796 | a2d59d8b | Iustin Pop | for to_node, to_result in result.items(): |
5797 | 4c4e4e1e | Iustin Pop | msg = to_result.fail_msg |
5798 | a2d59d8b | Iustin Pop | if msg:
|
5799 | 2bb5c911 | Michael Hanselmann | self.lu.LogWarning("Can't attach drbd disks on node %s: %s", to_node, msg, |
5800 | 2bb5c911 | Michael Hanselmann | hint=("please do a gnt-instance info to see the"
|
5801 | 2bb5c911 | Michael Hanselmann | " status of disks"))
|
5802 | a9e0c397 | Iustin Pop | |
5803 | 2bb5c911 | Michael Hanselmann | # Wait for sync
|
5804 | 2bb5c911 | Michael Hanselmann | # This can fail as the old devices are degraded and _WaitForSync
|
5805 | 2bb5c911 | Michael Hanselmann | # does a combined result over all disks, so we don't check its return value
|
5806 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(5, steps_total, "Sync devices") |
5807 | 2bb5c911 | Michael Hanselmann | _WaitForSync(self.lu, self.instance, unlock=True) |
5808 | a9e0c397 | Iustin Pop | |
5809 | 2bb5c911 | Michael Hanselmann | # Check all devices manually
|
5810 | 2bb5c911 | Michael Hanselmann | self._CheckDevices(self.instance.primary_node, iv_names) |
5811 | 22985314 | Guido Trotter | |
5812 | 2bb5c911 | Michael Hanselmann | # Step: remove old storage
|
5813 | 2bb5c911 | Michael Hanselmann | self.lu.LogStep(6, steps_total, "Removing old storage") |
5814 | 2bb5c911 | Michael Hanselmann | self._RemoveOldStorage(self.target_node, iv_names) |
5815 | a9e0c397 | Iustin Pop | |
5816 | a8083063 | Iustin Pop | |
5817 | 8729e0d7 | Iustin Pop | class LUGrowDisk(LogicalUnit): |
5818 | 8729e0d7 | Iustin Pop | """Grow a disk of an instance.
|
5819 | 8729e0d7 | Iustin Pop |
|
5820 | 8729e0d7 | Iustin Pop | """
|
5821 | 8729e0d7 | Iustin Pop | HPATH = "disk-grow"
|
5822 | 8729e0d7 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
5823 | 6605411d | Iustin Pop | _OP_REQP = ["instance_name", "disk", "amount", "wait_for_sync"] |
5824 | 31e63dbf | Guido Trotter | REQ_BGL = False
|
5825 | 31e63dbf | Guido Trotter | |
5826 | 31e63dbf | Guido Trotter | def ExpandNames(self): |
5827 | 31e63dbf | Guido Trotter | self._ExpandAndLockInstance()
|
5828 | 31e63dbf | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
5829 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
5830 | 31e63dbf | Guido Trotter | |
5831 | 31e63dbf | Guido Trotter | def DeclareLocks(self, level): |
5832 | 31e63dbf | Guido Trotter | if level == locking.LEVEL_NODE:
|
5833 | 31e63dbf | Guido Trotter | self._LockInstancesNodes()
|
5834 | 8729e0d7 | Iustin Pop | |
5835 | 8729e0d7 | Iustin Pop | def BuildHooksEnv(self): |
5836 | 8729e0d7 | Iustin Pop | """Build hooks env.
|
5837 | 8729e0d7 | Iustin Pop |
|
5838 | 8729e0d7 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
5839 | 8729e0d7 | Iustin Pop |
|
5840 | 8729e0d7 | Iustin Pop | """
|
5841 | 8729e0d7 | Iustin Pop | env = { |
5842 | 8729e0d7 | Iustin Pop | "DISK": self.op.disk, |
5843 | 8729e0d7 | Iustin Pop | "AMOUNT": self.op.amount, |
5844 | 8729e0d7 | Iustin Pop | } |
5845 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
5846 | 8729e0d7 | Iustin Pop | nl = [ |
5847 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
5848 | 8729e0d7 | Iustin Pop | self.instance.primary_node,
|
5849 | 8729e0d7 | Iustin Pop | ] |
5850 | 8729e0d7 | Iustin Pop | return env, nl, nl
|
5851 | 8729e0d7 | Iustin Pop | |
5852 | 8729e0d7 | Iustin Pop | def CheckPrereq(self): |
5853 | 8729e0d7 | Iustin Pop | """Check prerequisites.
|
5854 | 8729e0d7 | Iustin Pop |
|
5855 | 8729e0d7 | Iustin Pop | This checks that the instance is in the cluster.
|
5856 | 8729e0d7 | Iustin Pop |
|
5857 | 8729e0d7 | Iustin Pop | """
|
5858 | 31e63dbf | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
5859 | 31e63dbf | Guido Trotter | assert instance is not None, \ |
5860 | 31e63dbf | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
5861 | 6b12959c | Iustin Pop | nodenames = list(instance.all_nodes)
|
5862 | 6b12959c | Iustin Pop | for node in nodenames: |
5863 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, node)
|
5864 | 7527a8a4 | Iustin Pop | |
5865 | 31e63dbf | Guido Trotter | |
5866 | 8729e0d7 | Iustin Pop | self.instance = instance
|
5867 | 8729e0d7 | Iustin Pop | |
5868 | 8729e0d7 | Iustin Pop | if instance.disk_template not in (constants.DT_PLAIN, constants.DT_DRBD8): |
5869 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout does not support" |
5870 | 8729e0d7 | Iustin Pop | " growing.")
|
5871 | 8729e0d7 | Iustin Pop | |
5872 | ad24e046 | Iustin Pop | self.disk = instance.FindDisk(self.op.disk) |
5873 | 8729e0d7 | Iustin Pop | |
5874 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
5875 | 72737a7f | Iustin Pop | instance.hypervisor) |
5876 | 8729e0d7 | Iustin Pop | for node in nodenames: |
5877 | 781de953 | Iustin Pop | info = nodeinfo[node] |
5878 | 4c4e4e1e | Iustin Pop | info.Raise("Cannot get current information from node %s" % node)
|
5879 | 070e998b | Iustin Pop | vg_free = info.payload.get('vg_free', None) |
5880 | 8729e0d7 | Iustin Pop | if not isinstance(vg_free, int): |
5881 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
5882 | 8729e0d7 | Iustin Pop | " node %s" % node)
|
5883 | 781de953 | Iustin Pop | if self.op.amount > vg_free: |
5884 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s:" |
5885 | 8729e0d7 | Iustin Pop | " %d MiB available, %d MiB required" %
|
5886 | 781de953 | Iustin Pop | (node, vg_free, self.op.amount))
|
5887 | 8729e0d7 | Iustin Pop | |
5888 | 8729e0d7 | Iustin Pop | def Exec(self, feedback_fn): |
5889 | 8729e0d7 | Iustin Pop | """Execute disk grow.
|
5890 | 8729e0d7 | Iustin Pop |
|
5891 | 8729e0d7 | Iustin Pop | """
|
5892 | 8729e0d7 | Iustin Pop | instance = self.instance
|
5893 | ad24e046 | Iustin Pop | disk = self.disk
|
5894 | 6b12959c | Iustin Pop | for node in instance.all_nodes: |
5895 | 8729e0d7 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
5896 | 72737a7f | Iustin Pop | result = self.rpc.call_blockdev_grow(node, disk, self.op.amount) |
5897 | 4c4e4e1e | Iustin Pop | result.Raise("Grow request failed to node %s" % node)
|
5898 | 8729e0d7 | Iustin Pop | disk.RecordGrow(self.op.amount)
|
5899 | 8729e0d7 | Iustin Pop | self.cfg.Update(instance)
|
5900 | 6605411d | Iustin Pop | if self.op.wait_for_sync: |
5901 | cd4d138f | Guido Trotter | disk_abort = not _WaitForSync(self, instance) |
5902 | 6605411d | Iustin Pop | if disk_abort:
|
5903 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Warning: disk sync-ing has not returned a good" |
5904 | 86d9d3bb | Iustin Pop | " status.\nPlease check the instance.")
|
5905 | 8729e0d7 | Iustin Pop | |
5906 | 8729e0d7 | Iustin Pop | |
5907 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
5908 | a8083063 | Iustin Pop | """Query runtime instance data.
|
5909 | a8083063 | Iustin Pop |
|
5910 | a8083063 | Iustin Pop | """
|
5911 | 57821cac | Iustin Pop | _OP_REQP = ["instances", "static"] |
5912 | a987fa48 | Guido Trotter | REQ_BGL = False
|
5913 | ae5849b5 | Michael Hanselmann | |
5914 | a987fa48 | Guido Trotter | def ExpandNames(self): |
5915 | a987fa48 | Guido Trotter | self.needed_locks = {}
|
5916 | c772d142 | Michael Hanselmann | self.share_locks = dict.fromkeys(locking.LEVELS, 1) |
5917 | a987fa48 | Guido Trotter | |
5918 | a987fa48 | Guido Trotter | if not isinstance(self.op.instances, list): |
5919 | a987fa48 | Guido Trotter | raise errors.OpPrereqError("Invalid argument type 'instances'") |
5920 | a987fa48 | Guido Trotter | |
5921 | a987fa48 | Guido Trotter | if self.op.instances: |
5922 | a987fa48 | Guido Trotter | self.wanted_names = []
|
5923 | a987fa48 | Guido Trotter | for name in self.op.instances: |
5924 | a987fa48 | Guido Trotter | full_name = self.cfg.ExpandInstanceName(name)
|
5925 | a987fa48 | Guido Trotter | if full_name is None: |
5926 | f57c76e4 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % name) |
5927 | a987fa48 | Guido Trotter | self.wanted_names.append(full_name)
|
5928 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted_names |
5929 | a987fa48 | Guido Trotter | else:
|
5930 | a987fa48 | Guido Trotter | self.wanted_names = None |
5931 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = locking.ALL_SET
|
5932 | a987fa48 | Guido Trotter | |
5933 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
5934 | a987fa48 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
5935 | a987fa48 | Guido Trotter | |
5936 | a987fa48 | Guido Trotter | def DeclareLocks(self, level): |
5937 | a987fa48 | Guido Trotter | if level == locking.LEVEL_NODE:
|
5938 | a987fa48 | Guido Trotter | self._LockInstancesNodes()
|
5939 | a8083063 | Iustin Pop | |
5940 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5941 | a8083063 | Iustin Pop | """Check prerequisites.
|
5942 | a8083063 | Iustin Pop |
|
5943 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
5944 | a8083063 | Iustin Pop |
|
5945 | a8083063 | Iustin Pop | """
|
5946 | a987fa48 | Guido Trotter | if self.wanted_names is None: |
5947 | a987fa48 | Guido Trotter | self.wanted_names = self.acquired_locks[locking.LEVEL_INSTANCE] |
5948 | a8083063 | Iustin Pop | |
5949 | a987fa48 | Guido Trotter | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
5950 | a987fa48 | Guido Trotter | in self.wanted_names] |
5951 | a987fa48 | Guido Trotter | return
|
5952 | a8083063 | Iustin Pop | |
5953 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
5954 | a8083063 | Iustin Pop | """Compute block device status.
|
5955 | a8083063 | Iustin Pop |
|
5956 | a8083063 | Iustin Pop | """
|
5957 | 57821cac | Iustin Pop | static = self.op.static
|
5958 | 57821cac | Iustin Pop | if not static: |
5959 | 57821cac | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
5960 | 57821cac | Iustin Pop | dev_pstatus = self.rpc.call_blockdev_find(instance.primary_node, dev)
|
5961 | 9854f5d0 | Iustin Pop | if dev_pstatus.offline:
|
5962 | 9854f5d0 | Iustin Pop | dev_pstatus = None
|
5963 | 9854f5d0 | Iustin Pop | else:
|
5964 | 4c4e4e1e | Iustin Pop | dev_pstatus.Raise("Can't compute disk status for %s" % instance.name)
|
5965 | 9854f5d0 | Iustin Pop | dev_pstatus = dev_pstatus.payload |
5966 | 57821cac | Iustin Pop | else:
|
5967 | 57821cac | Iustin Pop | dev_pstatus = None
|
5968 | 57821cac | Iustin Pop | |
5969 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
5970 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
5971 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
5972 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
5973 | a8083063 | Iustin Pop | else:
|
5974 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
5975 | a8083063 | Iustin Pop | |
5976 | 57821cac | Iustin Pop | if snode and not static: |
5977 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
5978 | 72737a7f | Iustin Pop | dev_sstatus = self.rpc.call_blockdev_find(snode, dev)
|
5979 | 9854f5d0 | Iustin Pop | if dev_sstatus.offline:
|
5980 | 9854f5d0 | Iustin Pop | dev_sstatus = None
|
5981 | 9854f5d0 | Iustin Pop | else:
|
5982 | 4c4e4e1e | Iustin Pop | dev_sstatus.Raise("Can't compute disk status for %s" % instance.name)
|
5983 | 9854f5d0 | Iustin Pop | dev_sstatus = dev_sstatus.payload |
5984 | a8083063 | Iustin Pop | else:
|
5985 | a8083063 | Iustin Pop | dev_sstatus = None
|
5986 | a8083063 | Iustin Pop | |
5987 | a8083063 | Iustin Pop | if dev.children:
|
5988 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
5989 | a8083063 | Iustin Pop | for child in dev.children] |
5990 | a8083063 | Iustin Pop | else:
|
5991 | a8083063 | Iustin Pop | dev_children = [] |
5992 | a8083063 | Iustin Pop | |
5993 | a8083063 | Iustin Pop | data = { |
5994 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
5995 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
5996 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
5997 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
5998 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
5999 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
6000 | a8083063 | Iustin Pop | "children": dev_children,
|
6001 | b6fdf8b8 | Iustin Pop | "mode": dev.mode,
|
6002 | c98162a7 | Iustin Pop | "size": dev.size,
|
6003 | a8083063 | Iustin Pop | } |
6004 | a8083063 | Iustin Pop | |
6005 | a8083063 | Iustin Pop | return data
|
6006 | a8083063 | Iustin Pop | |
6007 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
6008 | a8083063 | Iustin Pop | """Gather and return data"""
|
6009 | a8083063 | Iustin Pop | result = {} |
6010 | 338e51e8 | Iustin Pop | |
6011 | 338e51e8 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
6012 | 338e51e8 | Iustin Pop | |
6013 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
6014 | 57821cac | Iustin Pop | if not self.op.static: |
6015 | 57821cac | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
6016 | 57821cac | Iustin Pop | instance.name, |
6017 | 57821cac | Iustin Pop | instance.hypervisor) |
6018 | 4c4e4e1e | Iustin Pop | remote_info.Raise("Error checking node %s" % instance.primary_node)
|
6019 | 7ad1af4a | Iustin Pop | remote_info = remote_info.payload |
6020 | 57821cac | Iustin Pop | if remote_info and "state" in remote_info: |
6021 | 57821cac | Iustin Pop | remote_state = "up"
|
6022 | 57821cac | Iustin Pop | else:
|
6023 | 57821cac | Iustin Pop | remote_state = "down"
|
6024 | a8083063 | Iustin Pop | else:
|
6025 | 57821cac | Iustin Pop | remote_state = None
|
6026 | 0d68c45d | Iustin Pop | if instance.admin_up:
|
6027 | a8083063 | Iustin Pop | config_state = "up"
|
6028 | 0d68c45d | Iustin Pop | else:
|
6029 | 0d68c45d | Iustin Pop | config_state = "down"
|
6030 | a8083063 | Iustin Pop | |
6031 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
6032 | a8083063 | Iustin Pop | for device in instance.disks] |
6033 | a8083063 | Iustin Pop | |
6034 | a8083063 | Iustin Pop | idict = { |
6035 | a8083063 | Iustin Pop | "name": instance.name,
|
6036 | a8083063 | Iustin Pop | "config_state": config_state,
|
6037 | a8083063 | Iustin Pop | "run_state": remote_state,
|
6038 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
6039 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
6040 | a8083063 | Iustin Pop | "os": instance.os,
|
6041 | 0b13832c | Guido Trotter | # this happens to be the same format used for hooks
|
6042 | 0b13832c | Guido Trotter | "nics": _NICListToTuple(self, instance.nics), |
6043 | a8083063 | Iustin Pop | "disks": disks,
|
6044 | e69d05fd | Iustin Pop | "hypervisor": instance.hypervisor,
|
6045 | 24838135 | Iustin Pop | "network_port": instance.network_port,
|
6046 | 24838135 | Iustin Pop | "hv_instance": instance.hvparams,
|
6047 | 338e51e8 | Iustin Pop | "hv_actual": cluster.FillHV(instance),
|
6048 | 338e51e8 | Iustin Pop | "be_instance": instance.beparams,
|
6049 | 338e51e8 | Iustin Pop | "be_actual": cluster.FillBE(instance),
|
6050 | a8083063 | Iustin Pop | } |
6051 | a8083063 | Iustin Pop | |
6052 | a8083063 | Iustin Pop | result[instance.name] = idict |
6053 | a8083063 | Iustin Pop | |
6054 | a8083063 | Iustin Pop | return result
|
6055 | a8083063 | Iustin Pop | |
6056 | a8083063 | Iustin Pop | |
6057 | 7767bbf5 | Manuel Franceschini | class LUSetInstanceParams(LogicalUnit): |
6058 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
6059 | a8083063 | Iustin Pop |
|
6060 | a8083063 | Iustin Pop | """
|
6061 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
6062 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
6063 | 24991749 | Iustin Pop | _OP_REQP = ["instance_name"]
|
6064 | 1a5c7281 | Guido Trotter | REQ_BGL = False
|
6065 | 1a5c7281 | Guido Trotter | |
6066 | 24991749 | Iustin Pop | def CheckArguments(self): |
6067 | 24991749 | Iustin Pop | if not hasattr(self.op, 'nics'): |
6068 | 24991749 | Iustin Pop | self.op.nics = []
|
6069 | 24991749 | Iustin Pop | if not hasattr(self.op, 'disks'): |
6070 | 24991749 | Iustin Pop | self.op.disks = []
|
6071 | 24991749 | Iustin Pop | if not hasattr(self.op, 'beparams'): |
6072 | 24991749 | Iustin Pop | self.op.beparams = {}
|
6073 | 24991749 | Iustin Pop | if not hasattr(self.op, 'hvparams'): |
6074 | 24991749 | Iustin Pop | self.op.hvparams = {}
|
6075 | 24991749 | Iustin Pop | self.op.force = getattr(self.op, "force", False) |
6076 | 24991749 | Iustin Pop | if not (self.op.nics or self.op.disks or |
6077 | 24991749 | Iustin Pop | self.op.hvparams or self.op.beparams): |
6078 | 24991749 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
6079 | 24991749 | Iustin Pop | |
6080 | 24991749 | Iustin Pop | # Disk validation
|
6081 | 24991749 | Iustin Pop | disk_addremove = 0
|
6082 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
6083 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
6084 | 24991749 | Iustin Pop | disk_addremove += 1
|
6085 | 24991749 | Iustin Pop | continue
|
6086 | 24991749 | Iustin Pop | elif disk_op == constants.DDM_ADD:
|
6087 | 24991749 | Iustin Pop | disk_addremove += 1
|
6088 | 24991749 | Iustin Pop | else:
|
6089 | 24991749 | Iustin Pop | if not isinstance(disk_op, int): |
6090 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index") |
6091 | 8b46606c | Guido Trotter | if not isinstance(disk_dict, dict): |
6092 | 8b46606c | Guido Trotter | msg = "Invalid disk value: expected dict, got '%s'" % disk_dict
|
6093 | 8b46606c | Guido Trotter | raise errors.OpPrereqError(msg)
|
6094 | 8b46606c | Guido Trotter | |
6095 | 24991749 | Iustin Pop | if disk_op == constants.DDM_ADD:
|
6096 | 24991749 | Iustin Pop | mode = disk_dict.setdefault('mode', constants.DISK_RDWR)
|
6097 | 6ec66eae | Iustin Pop | if mode not in constants.DISK_ACCESS_SET: |
6098 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk access mode '%s'" % mode) |
6099 | 24991749 | Iustin Pop | size = disk_dict.get('size', None) |
6100 | 24991749 | Iustin Pop | if size is None: |
6101 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Required disk parameter size missing") |
6102 | 24991749 | Iustin Pop | try:
|
6103 | 24991749 | Iustin Pop | size = int(size)
|
6104 | 24991749 | Iustin Pop | except ValueError, err: |
6105 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk size parameter: %s" % |
6106 | 24991749 | Iustin Pop | str(err))
|
6107 | 24991749 | Iustin Pop | disk_dict['size'] = size
|
6108 | 24991749 | Iustin Pop | else:
|
6109 | 24991749 | Iustin Pop | # modification of disk
|
6110 | 24991749 | Iustin Pop | if 'size' in disk_dict: |
6111 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Disk size change not possible, use" |
6112 | 24991749 | Iustin Pop | " grow-disk")
|
6113 | 24991749 | Iustin Pop | |
6114 | 24991749 | Iustin Pop | if disk_addremove > 1: |
6115 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Only one disk add or remove operation" |
6116 | 24991749 | Iustin Pop | " supported at a time")
|
6117 | 24991749 | Iustin Pop | |
6118 | 24991749 | Iustin Pop | # NIC validation
|
6119 | 24991749 | Iustin Pop | nic_addremove = 0
|
6120 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
6121 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
6122 | 24991749 | Iustin Pop | nic_addremove += 1
|
6123 | 24991749 | Iustin Pop | continue
|
6124 | 24991749 | Iustin Pop | elif nic_op == constants.DDM_ADD:
|
6125 | 24991749 | Iustin Pop | nic_addremove += 1
|
6126 | 24991749 | Iustin Pop | else:
|
6127 | 24991749 | Iustin Pop | if not isinstance(nic_op, int): |
6128 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid nic index") |
6129 | 8b46606c | Guido Trotter | if not isinstance(nic_dict, dict): |
6130 | 8b46606c | Guido Trotter | msg = "Invalid nic value: expected dict, got '%s'" % nic_dict
|
6131 | 8b46606c | Guido Trotter | raise errors.OpPrereqError(msg)
|
6132 | 24991749 | Iustin Pop | |
6133 | 24991749 | Iustin Pop | # nic_dict should be a dict
|
6134 | 24991749 | Iustin Pop | nic_ip = nic_dict.get('ip', None) |
6135 | 24991749 | Iustin Pop | if nic_ip is not None: |
6136 | 5c44da6a | Guido Trotter | if nic_ip.lower() == constants.VALUE_NONE:
|
6137 | 24991749 | Iustin Pop | nic_dict['ip'] = None |
6138 | 24991749 | Iustin Pop | else:
|
6139 | 24991749 | Iustin Pop | if not utils.IsValidIP(nic_ip): |
6140 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'" % nic_ip) |
6141 | 5c44da6a | Guido Trotter | |
6142 | cd098c41 | Guido Trotter | nic_bridge = nic_dict.get('bridge', None) |
6143 | cd098c41 | Guido Trotter | nic_link = nic_dict.get('link', None) |
6144 | cd098c41 | Guido Trotter | if nic_bridge and nic_link: |
6145 | 29921401 | Iustin Pop | raise errors.OpPrereqError("Cannot pass 'bridge' and 'link'" |
6146 | 29921401 | Iustin Pop | " at the same time")
|
6147 | cd098c41 | Guido Trotter | elif nic_bridge and nic_bridge.lower() == constants.VALUE_NONE: |
6148 | cd098c41 | Guido Trotter | nic_dict['bridge'] = None |
6149 | cd098c41 | Guido Trotter | elif nic_link and nic_link.lower() == constants.VALUE_NONE: |
6150 | cd098c41 | Guido Trotter | nic_dict['link'] = None |
6151 | cd098c41 | Guido Trotter | |
6152 | 5c44da6a | Guido Trotter | if nic_op == constants.DDM_ADD:
|
6153 | 5c44da6a | Guido Trotter | nic_mac = nic_dict.get('mac', None) |
6154 | 5c44da6a | Guido Trotter | if nic_mac is None: |
6155 | 5c44da6a | Guido Trotter | nic_dict['mac'] = constants.VALUE_AUTO
|
6156 | 5c44da6a | Guido Trotter | |
6157 | 5c44da6a | Guido Trotter | if 'mac' in nic_dict: |
6158 | 5c44da6a | Guido Trotter | nic_mac = nic_dict['mac']
|
6159 | 24991749 | Iustin Pop | if nic_mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
6160 | 24991749 | Iustin Pop | if not utils.IsValidMac(nic_mac): |
6161 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid MAC address %s" % nic_mac) |
6162 | 5c44da6a | Guido Trotter | if nic_op != constants.DDM_ADD and nic_mac == constants.VALUE_AUTO: |
6163 | 5c44da6a | Guido Trotter | raise errors.OpPrereqError("'auto' is not a valid MAC address when" |
6164 | 5c44da6a | Guido Trotter | " modifying an existing nic")
|
6165 | 5c44da6a | Guido Trotter | |
6166 | 24991749 | Iustin Pop | if nic_addremove > 1: |
6167 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Only one NIC add or remove operation" |
6168 | 24991749 | Iustin Pop | " supported at a time")
|
6169 | 24991749 | Iustin Pop | |
6170 | 1a5c7281 | Guido Trotter | def ExpandNames(self): |
6171 | 1a5c7281 | Guido Trotter | self._ExpandAndLockInstance()
|
6172 | 74409b12 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
6173 | 74409b12 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
6174 | 74409b12 | Iustin Pop | |
6175 | 74409b12 | Iustin Pop | def DeclareLocks(self, level): |
6176 | 74409b12 | Iustin Pop | if level == locking.LEVEL_NODE:
|
6177 | 74409b12 | Iustin Pop | self._LockInstancesNodes()
|
6178 | a8083063 | Iustin Pop | |
6179 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
6180 | a8083063 | Iustin Pop | """Build hooks env.
|
6181 | a8083063 | Iustin Pop |
|
6182 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
6183 | a8083063 | Iustin Pop |
|
6184 | a8083063 | Iustin Pop | """
|
6185 | 396e1b78 | Michael Hanselmann | args = dict()
|
6186 | 338e51e8 | Iustin Pop | if constants.BE_MEMORY in self.be_new: |
6187 | 338e51e8 | Iustin Pop | args['memory'] = self.be_new[constants.BE_MEMORY] |
6188 | 338e51e8 | Iustin Pop | if constants.BE_VCPUS in self.be_new: |
6189 | 61be6ba4 | Iustin Pop | args['vcpus'] = self.be_new[constants.BE_VCPUS] |
6190 | d8dcf3c9 | Guido Trotter | # TODO: export disk changes. Note: _BuildInstanceHookEnv* don't export disk
|
6191 | d8dcf3c9 | Guido Trotter | # information at all.
|
6192 | d8dcf3c9 | Guido Trotter | if self.op.nics: |
6193 | d8dcf3c9 | Guido Trotter | args['nics'] = []
|
6194 | d8dcf3c9 | Guido Trotter | nic_override = dict(self.op.nics) |
6195 | 62f0dd02 | Guido Trotter | c_nicparams = self.cluster.nicparams[constants.PP_DEFAULT]
|
6196 | d8dcf3c9 | Guido Trotter | for idx, nic in enumerate(self.instance.nics): |
6197 | d8dcf3c9 | Guido Trotter | if idx in nic_override: |
6198 | d8dcf3c9 | Guido Trotter | this_nic_override = nic_override[idx] |
6199 | d8dcf3c9 | Guido Trotter | else:
|
6200 | d8dcf3c9 | Guido Trotter | this_nic_override = {} |
6201 | d8dcf3c9 | Guido Trotter | if 'ip' in this_nic_override: |
6202 | d8dcf3c9 | Guido Trotter | ip = this_nic_override['ip']
|
6203 | d8dcf3c9 | Guido Trotter | else:
|
6204 | d8dcf3c9 | Guido Trotter | ip = nic.ip |
6205 | d8dcf3c9 | Guido Trotter | if 'mac' in this_nic_override: |
6206 | d8dcf3c9 | Guido Trotter | mac = this_nic_override['mac']
|
6207 | d8dcf3c9 | Guido Trotter | else:
|
6208 | d8dcf3c9 | Guido Trotter | mac = nic.mac |
6209 | 62f0dd02 | Guido Trotter | if idx in self.nic_pnew: |
6210 | 62f0dd02 | Guido Trotter | nicparams = self.nic_pnew[idx]
|
6211 | 62f0dd02 | Guido Trotter | else:
|
6212 | 62f0dd02 | Guido Trotter | nicparams = objects.FillDict(c_nicparams, nic.nicparams) |
6213 | 62f0dd02 | Guido Trotter | mode = nicparams[constants.NIC_MODE] |
6214 | 62f0dd02 | Guido Trotter | link = nicparams[constants.NIC_LINK] |
6215 | 62f0dd02 | Guido Trotter | args['nics'].append((ip, mac, mode, link))
|
6216 | d8dcf3c9 | Guido Trotter | if constants.DDM_ADD in nic_override: |
6217 | d8dcf3c9 | Guido Trotter | ip = nic_override[constants.DDM_ADD].get('ip', None) |
6218 | d8dcf3c9 | Guido Trotter | mac = nic_override[constants.DDM_ADD]['mac']
|
6219 | 62f0dd02 | Guido Trotter | nicparams = self.nic_pnew[constants.DDM_ADD]
|
6220 | 62f0dd02 | Guido Trotter | mode = nicparams[constants.NIC_MODE] |
6221 | 62f0dd02 | Guido Trotter | link = nicparams[constants.NIC_LINK] |
6222 | 62f0dd02 | Guido Trotter | args['nics'].append((ip, mac, mode, link))
|
6223 | d8dcf3c9 | Guido Trotter | elif constants.DDM_REMOVE in nic_override: |
6224 | d8dcf3c9 | Guido Trotter | del args['nics'][-1] |
6225 | d8dcf3c9 | Guido Trotter | |
6226 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance, override=args) |
6227 | 6b12959c | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
6228 | a8083063 | Iustin Pop | return env, nl, nl
|
6229 | a8083063 | Iustin Pop | |
6230 | 0329617a | Guido Trotter | def _GetUpdatedParams(self, old_params, update_dict, |
6231 | 0329617a | Guido Trotter | default_values, parameter_types): |
6232 | 0329617a | Guido Trotter | """Return the new params dict for the given params.
|
6233 | 0329617a | Guido Trotter |
|
6234 | 0329617a | Guido Trotter | @type old_params: dict
|
6235 | f2fd87d7 | Iustin Pop | @param old_params: old parameters
|
6236 | 0329617a | Guido Trotter | @type update_dict: dict
|
6237 | f2fd87d7 | Iustin Pop | @param update_dict: dict containing new parameter values,
|
6238 | f2fd87d7 | Iustin Pop | or constants.VALUE_DEFAULT to reset the
|
6239 | f2fd87d7 | Iustin Pop | parameter to its default value
|
6240 | 0329617a | Guido Trotter | @type default_values: dict
|
6241 | 0329617a | Guido Trotter | @param default_values: default values for the filled parameters
|
6242 | 0329617a | Guido Trotter | @type parameter_types: dict
|
6243 | 0329617a | Guido Trotter | @param parameter_types: dict mapping target dict keys to types
|
6244 | 0329617a | Guido Trotter | in constants.ENFORCEABLE_TYPES
|
6245 | 0329617a | Guido Trotter | @rtype: (dict, dict)
|
6246 | 0329617a | Guido Trotter | @return: (new_parameters, filled_parameters)
|
6247 | 0329617a | Guido Trotter |
|
6248 | 0329617a | Guido Trotter | """
|
6249 | 0329617a | Guido Trotter | params_copy = copy.deepcopy(old_params) |
6250 | 0329617a | Guido Trotter | for key, val in update_dict.iteritems(): |
6251 | 0329617a | Guido Trotter | if val == constants.VALUE_DEFAULT:
|
6252 | 0329617a | Guido Trotter | try:
|
6253 | 0329617a | Guido Trotter | del params_copy[key]
|
6254 | 0329617a | Guido Trotter | except KeyError: |
6255 | 0329617a | Guido Trotter | pass
|
6256 | 0329617a | Guido Trotter | else:
|
6257 | 0329617a | Guido Trotter | params_copy[key] = val |
6258 | 0329617a | Guido Trotter | utils.ForceDictType(params_copy, parameter_types) |
6259 | 0329617a | Guido Trotter | params_filled = objects.FillDict(default_values, params_copy) |
6260 | 0329617a | Guido Trotter | return (params_copy, params_filled)
|
6261 | 0329617a | Guido Trotter | |
6262 | a8083063 | Iustin Pop | def CheckPrereq(self): |
6263 | a8083063 | Iustin Pop | """Check prerequisites.
|
6264 | a8083063 | Iustin Pop |
|
6265 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
6266 | a8083063 | Iustin Pop |
|
6267 | a8083063 | Iustin Pop | """
|
6268 | 7c4d6c7b | Michael Hanselmann | self.force = self.op.force |
6269 | a8083063 | Iustin Pop | |
6270 | 74409b12 | Iustin Pop | # checking the new params on the primary/secondary nodes
|
6271 | 31a853d2 | Iustin Pop | |
6272 | cfefe007 | Guido Trotter | instance = self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
6273 | 2ee88aeb | Guido Trotter | cluster = self.cluster = self.cfg.GetClusterInfo() |
6274 | 1a5c7281 | Guido Trotter | assert self.instance is not None, \ |
6275 | 1a5c7281 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
6276 | 6b12959c | Iustin Pop | pnode = instance.primary_node |
6277 | 6b12959c | Iustin Pop | nodelist = list(instance.all_nodes)
|
6278 | 74409b12 | Iustin Pop | |
6279 | 338e51e8 | Iustin Pop | # hvparams processing
|
6280 | 74409b12 | Iustin Pop | if self.op.hvparams: |
6281 | 0329617a | Guido Trotter | i_hvdict, hv_new = self._GetUpdatedParams(
|
6282 | 0329617a | Guido Trotter | instance.hvparams, self.op.hvparams,
|
6283 | 0329617a | Guido Trotter | cluster.hvparams[instance.hypervisor], |
6284 | 0329617a | Guido Trotter | constants.HVS_PARAMETER_TYPES) |
6285 | 74409b12 | Iustin Pop | # local check
|
6286 | 74409b12 | Iustin Pop | hypervisor.GetHypervisor( |
6287 | 74409b12 | Iustin Pop | instance.hypervisor).CheckParameterSyntax(hv_new) |
6288 | 74409b12 | Iustin Pop | _CheckHVParams(self, nodelist, instance.hypervisor, hv_new)
|
6289 | 338e51e8 | Iustin Pop | self.hv_new = hv_new # the new actual values |
6290 | 338e51e8 | Iustin Pop | self.hv_inst = i_hvdict # the new dict (without defaults) |
6291 | 338e51e8 | Iustin Pop | else:
|
6292 | 338e51e8 | Iustin Pop | self.hv_new = self.hv_inst = {} |
6293 | 338e51e8 | Iustin Pop | |
6294 | 338e51e8 | Iustin Pop | # beparams processing
|
6295 | 338e51e8 | Iustin Pop | if self.op.beparams: |
6296 | 0329617a | Guido Trotter | i_bedict, be_new = self._GetUpdatedParams(
|
6297 | 0329617a | Guido Trotter | instance.beparams, self.op.beparams,
|
6298 | 0329617a | Guido Trotter | cluster.beparams[constants.PP_DEFAULT], |
6299 | 0329617a | Guido Trotter | constants.BES_PARAMETER_TYPES) |
6300 | 338e51e8 | Iustin Pop | self.be_new = be_new # the new actual values |
6301 | 338e51e8 | Iustin Pop | self.be_inst = i_bedict # the new dict (without defaults) |
6302 | 338e51e8 | Iustin Pop | else:
|
6303 | b637ae4d | Iustin Pop | self.be_new = self.be_inst = {} |
6304 | 74409b12 | Iustin Pop | |
6305 | cfefe007 | Guido Trotter | self.warn = []
|
6306 | 647a5d80 | Iustin Pop | |
6307 | 338e51e8 | Iustin Pop | if constants.BE_MEMORY in self.op.beparams and not self.force: |
6308 | 647a5d80 | Iustin Pop | mem_check_list = [pnode] |
6309 | c0f2b229 | Iustin Pop | if be_new[constants.BE_AUTO_BALANCE]:
|
6310 | c0f2b229 | Iustin Pop | # either we changed auto_balance to yes or it was from before
|
6311 | 647a5d80 | Iustin Pop | mem_check_list.extend(instance.secondary_nodes) |
6312 | 72737a7f | Iustin Pop | instance_info = self.rpc.call_instance_info(pnode, instance.name,
|
6313 | 72737a7f | Iustin Pop | instance.hypervisor) |
6314 | 647a5d80 | Iustin Pop | nodeinfo = self.rpc.call_node_info(mem_check_list, self.cfg.GetVGName(), |
6315 | 72737a7f | Iustin Pop | instance.hypervisor) |
6316 | 070e998b | Iustin Pop | pninfo = nodeinfo[pnode] |
6317 | 4c4e4e1e | Iustin Pop | msg = pninfo.fail_msg |
6318 | 070e998b | Iustin Pop | if msg:
|
6319 | cfefe007 | Guido Trotter | # Assume the primary node is unreachable and go ahead
|
6320 | 070e998b | Iustin Pop | self.warn.append("Can't get info from primary node %s: %s" % |
6321 | 070e998b | Iustin Pop | (pnode, msg)) |
6322 | 070e998b | Iustin Pop | elif not isinstance(pninfo.payload.get('memory_free', None), int): |
6323 | 070e998b | Iustin Pop | self.warn.append("Node data from primary node %s doesn't contain" |
6324 | 070e998b | Iustin Pop | " free memory information" % pnode)
|
6325 | 4c4e4e1e | Iustin Pop | elif instance_info.fail_msg:
|
6326 | 7ad1af4a | Iustin Pop | self.warn.append("Can't get instance runtime information: %s" % |
6327 | 4c4e4e1e | Iustin Pop | instance_info.fail_msg) |
6328 | cfefe007 | Guido Trotter | else:
|
6329 | 7ad1af4a | Iustin Pop | if instance_info.payload:
|
6330 | 7ad1af4a | Iustin Pop | current_mem = int(instance_info.payload['memory']) |
6331 | cfefe007 | Guido Trotter | else:
|
6332 | cfefe007 | Guido Trotter | # Assume instance not running
|
6333 | cfefe007 | Guido Trotter | # (there is a slight race condition here, but it's not very probable,
|
6334 | cfefe007 | Guido Trotter | # and we have no other way to check)
|
6335 | cfefe007 | Guido Trotter | current_mem = 0
|
6336 | 338e51e8 | Iustin Pop | miss_mem = (be_new[constants.BE_MEMORY] - current_mem - |
6337 | 070e998b | Iustin Pop | pninfo.payload['memory_free'])
|
6338 | cfefe007 | Guido Trotter | if miss_mem > 0: |
6339 | cfefe007 | Guido Trotter | raise errors.OpPrereqError("This change will prevent the instance" |
6340 | cfefe007 | Guido Trotter | " from starting, due to %d MB of memory"
|
6341 | cfefe007 | Guido Trotter | " missing on its primary node" % miss_mem)
|
6342 | cfefe007 | Guido Trotter | |
6343 | c0f2b229 | Iustin Pop | if be_new[constants.BE_AUTO_BALANCE]:
|
6344 | 070e998b | Iustin Pop | for node, nres in nodeinfo.items(): |
6345 | ea33068f | Iustin Pop | if node not in instance.secondary_nodes: |
6346 | ea33068f | Iustin Pop | continue
|
6347 | 4c4e4e1e | Iustin Pop | msg = nres.fail_msg |
6348 | 070e998b | Iustin Pop | if msg:
|
6349 | 070e998b | Iustin Pop | self.warn.append("Can't get info from secondary node %s: %s" % |
6350 | 070e998b | Iustin Pop | (node, msg)) |
6351 | 070e998b | Iustin Pop | elif not isinstance(nres.payload.get('memory_free', None), int): |
6352 | 070e998b | Iustin Pop | self.warn.append("Secondary node %s didn't return free" |
6353 | 070e998b | Iustin Pop | " memory information" % node)
|
6354 | 070e998b | Iustin Pop | elif be_new[constants.BE_MEMORY] > nres.payload['memory_free']: |
6355 | 647a5d80 | Iustin Pop | self.warn.append("Not enough memory to failover instance to" |
6356 | 647a5d80 | Iustin Pop | " secondary node %s" % node)
|
6357 | 5bc84f33 | Alexander Schreiber | |
6358 | 24991749 | Iustin Pop | # NIC processing
|
6359 | cd098c41 | Guido Trotter | self.nic_pnew = {}
|
6360 | cd098c41 | Guido Trotter | self.nic_pinst = {}
|
6361 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
6362 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
6363 | 24991749 | Iustin Pop | if not instance.nics: |
6364 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance has no NICs, cannot remove") |
6365 | 24991749 | Iustin Pop | continue
|
6366 | 24991749 | Iustin Pop | if nic_op != constants.DDM_ADD:
|
6367 | 24991749 | Iustin Pop | # an existing nic
|
6368 | 24991749 | Iustin Pop | if nic_op < 0 or nic_op >= len(instance.nics): |
6369 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid NIC index %s, valid values" |
6370 | 24991749 | Iustin Pop | " are 0 to %d" %
|
6371 | 24991749 | Iustin Pop | (nic_op, len(instance.nics)))
|
6372 | cd098c41 | Guido Trotter | old_nic_params = instance.nics[nic_op].nicparams |
6373 | cd098c41 | Guido Trotter | old_nic_ip = instance.nics[nic_op].ip |
6374 | cd098c41 | Guido Trotter | else:
|
6375 | cd098c41 | Guido Trotter | old_nic_params = {} |
6376 | cd098c41 | Guido Trotter | old_nic_ip = None
|
6377 | cd098c41 | Guido Trotter | |
6378 | cd098c41 | Guido Trotter | update_params_dict = dict([(key, nic_dict[key])
|
6379 | cd098c41 | Guido Trotter | for key in constants.NICS_PARAMETERS |
6380 | cd098c41 | Guido Trotter | if key in nic_dict]) |
6381 | cd098c41 | Guido Trotter | |
6382 | 5c44da6a | Guido Trotter | if 'bridge' in nic_dict: |
6383 | cd098c41 | Guido Trotter | update_params_dict[constants.NIC_LINK] = nic_dict['bridge']
|
6384 | cd098c41 | Guido Trotter | |
6385 | cd098c41 | Guido Trotter | new_nic_params, new_filled_nic_params = \ |
6386 | cd098c41 | Guido Trotter | self._GetUpdatedParams(old_nic_params, update_params_dict,
|
6387 | cd098c41 | Guido Trotter | cluster.nicparams[constants.PP_DEFAULT], |
6388 | cd098c41 | Guido Trotter | constants.NICS_PARAMETER_TYPES) |
6389 | cd098c41 | Guido Trotter | objects.NIC.CheckParameterSyntax(new_filled_nic_params) |
6390 | cd098c41 | Guido Trotter | self.nic_pinst[nic_op] = new_nic_params
|
6391 | cd098c41 | Guido Trotter | self.nic_pnew[nic_op] = new_filled_nic_params
|
6392 | cd098c41 | Guido Trotter | new_nic_mode = new_filled_nic_params[constants.NIC_MODE] |
6393 | cd098c41 | Guido Trotter | |
6394 | cd098c41 | Guido Trotter | if new_nic_mode == constants.NIC_MODE_BRIDGED:
|
6395 | cd098c41 | Guido Trotter | nic_bridge = new_filled_nic_params[constants.NIC_LINK] |
6396 | 4c4e4e1e | Iustin Pop | msg = self.rpc.call_bridges_exist(pnode, [nic_bridge]).fail_msg
|
6397 | 35c0c8da | Iustin Pop | if msg:
|
6398 | 35c0c8da | Iustin Pop | msg = "Error checking bridges on node %s: %s" % (pnode, msg)
|
6399 | 24991749 | Iustin Pop | if self.force: |
6400 | 24991749 | Iustin Pop | self.warn.append(msg)
|
6401 | 24991749 | Iustin Pop | else:
|
6402 | 24991749 | Iustin Pop | raise errors.OpPrereqError(msg)
|
6403 | cd098c41 | Guido Trotter | if new_nic_mode == constants.NIC_MODE_ROUTED:
|
6404 | cd098c41 | Guido Trotter | if 'ip' in nic_dict: |
6405 | cd098c41 | Guido Trotter | nic_ip = nic_dict['ip']
|
6406 | cd098c41 | Guido Trotter | else:
|
6407 | cd098c41 | Guido Trotter | nic_ip = old_nic_ip |
6408 | cd098c41 | Guido Trotter | if nic_ip is None: |
6409 | cd098c41 | Guido Trotter | raise errors.OpPrereqError('Cannot set the nic ip to None' |
6410 | cd098c41 | Guido Trotter | ' on a routed nic')
|
6411 | 5c44da6a | Guido Trotter | if 'mac' in nic_dict: |
6412 | 5c44da6a | Guido Trotter | nic_mac = nic_dict['mac']
|
6413 | 5c44da6a | Guido Trotter | if nic_mac is None: |
6414 | 5c44da6a | Guido Trotter | raise errors.OpPrereqError('Cannot set the nic mac to None') |
6415 | 5c44da6a | Guido Trotter | elif nic_mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
6416 | 5c44da6a | Guido Trotter | # otherwise generate the mac
|
6417 | 5c44da6a | Guido Trotter | nic_dict['mac'] = self.cfg.GenerateMAC() |
6418 | 5c44da6a | Guido Trotter | else:
|
6419 | 5c44da6a | Guido Trotter | # or validate/reserve the current one
|
6420 | 5c44da6a | Guido Trotter | if self.cfg.IsMacInUse(nic_mac): |
6421 | 5c44da6a | Guido Trotter | raise errors.OpPrereqError("MAC address %s already in use" |
6422 | 5c44da6a | Guido Trotter | " in cluster" % nic_mac)
|
6423 | 24991749 | Iustin Pop | |
6424 | 24991749 | Iustin Pop | # DISK processing
|
6425 | 24991749 | Iustin Pop | if self.op.disks and instance.disk_template == constants.DT_DISKLESS: |
6426 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Disk operations not supported for" |
6427 | 24991749 | Iustin Pop | " diskless instances")
|
6428 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
6429 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
6430 | 24991749 | Iustin Pop | if len(instance.disks) == 1: |
6431 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Cannot remove the last disk of" |
6432 | 24991749 | Iustin Pop | " an instance")
|
6433 | 24991749 | Iustin Pop | ins_l = self.rpc.call_instance_list([pnode], [instance.hypervisor])
|
6434 | 24991749 | Iustin Pop | ins_l = ins_l[pnode] |
6435 | 4c4e4e1e | Iustin Pop | msg = ins_l.fail_msg |
6436 | aca13712 | Iustin Pop | if msg:
|
6437 | aca13712 | Iustin Pop | raise errors.OpPrereqError("Can't contact node %s: %s" % |
6438 | aca13712 | Iustin Pop | (pnode, msg)) |
6439 | aca13712 | Iustin Pop | if instance.name in ins_l.payload: |
6440 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance is running, can't remove" |
6441 | 24991749 | Iustin Pop | " disks.")
|
6442 | 24991749 | Iustin Pop | |
6443 | 24991749 | Iustin Pop | if (disk_op == constants.DDM_ADD and |
6444 | 24991749 | Iustin Pop | len(instance.nics) >= constants.MAX_DISKS):
|
6445 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance has too many disks (%d), cannot" |
6446 | 24991749 | Iustin Pop | " add more" % constants.MAX_DISKS)
|
6447 | 24991749 | Iustin Pop | if disk_op not in (constants.DDM_ADD, constants.DDM_REMOVE): |
6448 | 24991749 | Iustin Pop | # an existing disk
|
6449 | 24991749 | Iustin Pop | if disk_op < 0 or disk_op >= len(instance.disks): |
6450 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index %s, valid values" |
6451 | 24991749 | Iustin Pop | " are 0 to %d" %
|
6452 | 24991749 | Iustin Pop | (disk_op, len(instance.disks)))
|
6453 | 24991749 | Iustin Pop | |
6454 | a8083063 | Iustin Pop | return
|
6455 | a8083063 | Iustin Pop | |
6456 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
6457 | a8083063 | Iustin Pop | """Modifies an instance.
|
6458 | a8083063 | Iustin Pop |
|
6459 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
6460 | 24991749 | Iustin Pop |
|
6461 | a8083063 | Iustin Pop | """
|
6462 | cfefe007 | Guido Trotter | # Process here the warnings from CheckPrereq, as we don't have a
|
6463 | cfefe007 | Guido Trotter | # feedback_fn there.
|
6464 | cfefe007 | Guido Trotter | for warn in self.warn: |
6465 | cfefe007 | Guido Trotter | feedback_fn("WARNING: %s" % warn)
|
6466 | cfefe007 | Guido Trotter | |
6467 | a8083063 | Iustin Pop | result = [] |
6468 | a8083063 | Iustin Pop | instance = self.instance
|
6469 | cd098c41 | Guido Trotter | cluster = self.cluster
|
6470 | 24991749 | Iustin Pop | # disk changes
|
6471 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
6472 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
6473 | 24991749 | Iustin Pop | # remove the last disk
|
6474 | 24991749 | Iustin Pop | device = instance.disks.pop() |
6475 | 24991749 | Iustin Pop | device_idx = len(instance.disks)
|
6476 | 24991749 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
6477 | 24991749 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
6478 | 4c4e4e1e | Iustin Pop | msg = self.rpc.call_blockdev_remove(node, disk).fail_msg
|
6479 | e1bc0878 | Iustin Pop | if msg:
|
6480 | e1bc0878 | Iustin Pop | self.LogWarning("Could not remove disk/%d on node %s: %s," |
6481 | e1bc0878 | Iustin Pop | " continuing anyway", device_idx, node, msg)
|
6482 | 24991749 | Iustin Pop | result.append(("disk/%d" % device_idx, "remove")) |
6483 | 24991749 | Iustin Pop | elif disk_op == constants.DDM_ADD:
|
6484 | 24991749 | Iustin Pop | # add a new disk
|
6485 | 24991749 | Iustin Pop | if instance.disk_template == constants.DT_FILE:
|
6486 | 24991749 | Iustin Pop | file_driver, file_path = instance.disks[0].logical_id
|
6487 | 24991749 | Iustin Pop | file_path = os.path.dirname(file_path) |
6488 | 24991749 | Iustin Pop | else:
|
6489 | 24991749 | Iustin Pop | file_driver = file_path = None
|
6490 | 24991749 | Iustin Pop | disk_idx_base = len(instance.disks)
|
6491 | 24991749 | Iustin Pop | new_disk = _GenerateDiskTemplate(self,
|
6492 | 24991749 | Iustin Pop | instance.disk_template, |
6493 | 32388e6d | Iustin Pop | instance.name, instance.primary_node, |
6494 | 24991749 | Iustin Pop | instance.secondary_nodes, |
6495 | 24991749 | Iustin Pop | [disk_dict], |
6496 | 24991749 | Iustin Pop | file_path, |
6497 | 24991749 | Iustin Pop | file_driver, |
6498 | 24991749 | Iustin Pop | disk_idx_base)[0]
|
6499 | 24991749 | Iustin Pop | instance.disks.append(new_disk) |
6500 | 24991749 | Iustin Pop | info = _GetInstanceInfoText(instance) |
6501 | 24991749 | Iustin Pop | |
6502 | 24991749 | Iustin Pop | logging.info("Creating volume %s for instance %s",
|
6503 | 24991749 | Iustin Pop | new_disk.iv_name, instance.name) |
6504 | 24991749 | Iustin Pop | # Note: this needs to be kept in sync with _CreateDisks
|
6505 | 24991749 | Iustin Pop | #HARDCODE
|
6506 | 428958aa | Iustin Pop | for node in instance.all_nodes: |
6507 | 428958aa | Iustin Pop | f_create = node == instance.primary_node |
6508 | 796cab27 | Iustin Pop | try:
|
6509 | 428958aa | Iustin Pop | _CreateBlockDev(self, node, instance, new_disk,
|
6510 | 428958aa | Iustin Pop | f_create, info, f_create) |
6511 | 1492cca7 | Iustin Pop | except errors.OpExecError, err:
|
6512 | 24991749 | Iustin Pop | self.LogWarning("Failed to create volume %s (%s) on" |
6513 | 428958aa | Iustin Pop | " node %s: %s",
|
6514 | 428958aa | Iustin Pop | new_disk.iv_name, new_disk, node, err) |
6515 | 24991749 | Iustin Pop | result.append(("disk/%d" % disk_idx_base, "add:size=%s,mode=%s" % |
6516 | 24991749 | Iustin Pop | (new_disk.size, new_disk.mode))) |
6517 | 24991749 | Iustin Pop | else:
|
6518 | 24991749 | Iustin Pop | # change a given disk
|
6519 | 24991749 | Iustin Pop | instance.disks[disk_op].mode = disk_dict['mode']
|
6520 | 24991749 | Iustin Pop | result.append(("disk.mode/%d" % disk_op, disk_dict['mode'])) |
6521 | 24991749 | Iustin Pop | # NIC changes
|
6522 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
6523 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
6524 | 24991749 | Iustin Pop | # remove the last nic
|
6525 | 24991749 | Iustin Pop | del instance.nics[-1] |
6526 | 24991749 | Iustin Pop | result.append(("nic.%d" % len(instance.nics), "remove")) |
6527 | 24991749 | Iustin Pop | elif nic_op == constants.DDM_ADD:
|
6528 | 5c44da6a | Guido Trotter | # mac and bridge should be set, by now
|
6529 | 5c44da6a | Guido Trotter | mac = nic_dict['mac']
|
6530 | cd098c41 | Guido Trotter | ip = nic_dict.get('ip', None) |
6531 | cd098c41 | Guido Trotter | nicparams = self.nic_pinst[constants.DDM_ADD]
|
6532 | cd098c41 | Guido Trotter | new_nic = objects.NIC(mac=mac, ip=ip, nicparams=nicparams) |
6533 | 24991749 | Iustin Pop | instance.nics.append(new_nic) |
6534 | 24991749 | Iustin Pop | result.append(("nic.%d" % (len(instance.nics) - 1), |
6535 | cd098c41 | Guido Trotter | "add:mac=%s,ip=%s,mode=%s,link=%s" %
|
6536 | cd098c41 | Guido Trotter | (new_nic.mac, new_nic.ip, |
6537 | cd098c41 | Guido Trotter | self.nic_pnew[constants.DDM_ADD][constants.NIC_MODE],
|
6538 | cd098c41 | Guido Trotter | self.nic_pnew[constants.DDM_ADD][constants.NIC_LINK]
|
6539 | cd098c41 | Guido Trotter | ))) |
6540 | 24991749 | Iustin Pop | else:
|
6541 | cd098c41 | Guido Trotter | for key in 'mac', 'ip': |
6542 | 24991749 | Iustin Pop | if key in nic_dict: |
6543 | 24991749 | Iustin Pop | setattr(instance.nics[nic_op], key, nic_dict[key])
|
6544 | cd098c41 | Guido Trotter | if nic_op in self.nic_pnew: |
6545 | cd098c41 | Guido Trotter | instance.nics[nic_op].nicparams = self.nic_pnew[nic_op]
|
6546 | cd098c41 | Guido Trotter | for key, val in nic_dict.iteritems(): |
6547 | cd098c41 | Guido Trotter | result.append(("nic.%s/%d" % (key, nic_op), val))
|
6548 | 24991749 | Iustin Pop | |
6549 | 24991749 | Iustin Pop | # hvparams changes
|
6550 | 74409b12 | Iustin Pop | if self.op.hvparams: |
6551 | 12649e35 | Guido Trotter | instance.hvparams = self.hv_inst
|
6552 | 74409b12 | Iustin Pop | for key, val in self.op.hvparams.iteritems(): |
6553 | 74409b12 | Iustin Pop | result.append(("hv/%s" % key, val))
|
6554 | 24991749 | Iustin Pop | |
6555 | 24991749 | Iustin Pop | # beparams changes
|
6556 | 338e51e8 | Iustin Pop | if self.op.beparams: |
6557 | 338e51e8 | Iustin Pop | instance.beparams = self.be_inst
|
6558 | 338e51e8 | Iustin Pop | for key, val in self.op.beparams.iteritems(): |
6559 | 338e51e8 | Iustin Pop | result.append(("be/%s" % key, val))
|
6560 | a8083063 | Iustin Pop | |
6561 | ea94e1cd | Guido Trotter | self.cfg.Update(instance)
|
6562 | a8083063 | Iustin Pop | |
6563 | a8083063 | Iustin Pop | return result
|
6564 | a8083063 | Iustin Pop | |
6565 | a8083063 | Iustin Pop | |
6566 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
6567 | a8083063 | Iustin Pop | """Query the exports list
|
6568 | a8083063 | Iustin Pop |
|
6569 | a8083063 | Iustin Pop | """
|
6570 | 895ecd9c | Guido Trotter | _OP_REQP = ['nodes']
|
6571 | 21a15682 | Guido Trotter | REQ_BGL = False
|
6572 | 21a15682 | Guido Trotter | |
6573 | 21a15682 | Guido Trotter | def ExpandNames(self): |
6574 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
6575 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
6576 | 21a15682 | Guido Trotter | if not self.op.nodes: |
6577 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
6578 | 21a15682 | Guido Trotter | else:
|
6579 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
6580 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
6581 | a8083063 | Iustin Pop | |
6582 | a8083063 | Iustin Pop | def CheckPrereq(self): |
6583 | 21a15682 | Guido Trotter | """Check prerequisites.
|
6584 | a8083063 | Iustin Pop |
|
6585 | a8083063 | Iustin Pop | """
|
6586 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
6587 | a8083063 | Iustin Pop | |
6588 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
6589 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
6590 | a8083063 | Iustin Pop |
|
6591 | e4376078 | Iustin Pop | @rtype: dict
|
6592 | e4376078 | Iustin Pop | @return: a dictionary with the structure node->(export-list)
|
6593 | e4376078 | Iustin Pop | where export-list is a list of the instances exported on
|
6594 | e4376078 | Iustin Pop | that node.
|
6595 | a8083063 | Iustin Pop |
|
6596 | a8083063 | Iustin Pop | """
|
6597 | b04285f2 | Guido Trotter | rpcresult = self.rpc.call_export_list(self.nodes) |
6598 | b04285f2 | Guido Trotter | result = {} |
6599 | b04285f2 | Guido Trotter | for node in rpcresult: |
6600 | 4c4e4e1e | Iustin Pop | if rpcresult[node].fail_msg:
|
6601 | b04285f2 | Guido Trotter | result[node] = False
|
6602 | b04285f2 | Guido Trotter | else:
|
6603 | 1b7bfbb7 | Iustin Pop | result[node] = rpcresult[node].payload |
6604 | b04285f2 | Guido Trotter | |
6605 | b04285f2 | Guido Trotter | return result
|
6606 | a8083063 | Iustin Pop | |
6607 | a8083063 | Iustin Pop | |
6608 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
6609 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
6610 | a8083063 | Iustin Pop |
|
6611 | a8083063 | Iustin Pop | """
|
6612 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
6613 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
6614 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
6615 | 6657590e | Guido Trotter | REQ_BGL = False
|
6616 | 6657590e | Guido Trotter | |
6617 | 6657590e | Guido Trotter | def ExpandNames(self): |
6618 | 6657590e | Guido Trotter | self._ExpandAndLockInstance()
|
6619 | 6657590e | Guido Trotter | # FIXME: lock only instance primary and destination node
|
6620 | 6657590e | Guido Trotter | #
|
6621 | 6657590e | Guido Trotter | # Sad but true, for now we have do lock all nodes, as we don't know where
|
6622 | 6657590e | Guido Trotter | # the previous export might be, and and in this LU we search for it and
|
6623 | 6657590e | Guido Trotter | # remove it from its current node. In the future we could fix this by:
|
6624 | 6657590e | Guido Trotter | # - making a tasklet to search (share-lock all), then create the new one,
|
6625 | 6657590e | Guido Trotter | # then one to remove, after
|
6626 | 5bbd3f7f | Michael Hanselmann | # - removing the removal operation altogether
|
6627 | 6657590e | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
6628 | 6657590e | Guido Trotter | |
6629 | 6657590e | Guido Trotter | def DeclareLocks(self, level): |
6630 | 6657590e | Guido Trotter | """Last minute lock declaration."""
|
6631 | 6657590e | Guido Trotter | # All nodes are locked anyway, so nothing to do here.
|
6632 | a8083063 | Iustin Pop | |
6633 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
6634 | a8083063 | Iustin Pop | """Build hooks env.
|
6635 | a8083063 | Iustin Pop |
|
6636 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
6637 | a8083063 | Iustin Pop |
|
6638 | a8083063 | Iustin Pop | """
|
6639 | a8083063 | Iustin Pop | env = { |
6640 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
6641 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
6642 | a8083063 | Iustin Pop | } |
6643 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
6644 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode(), self.instance.primary_node, |
6645 | a8083063 | Iustin Pop | self.op.target_node]
|
6646 | a8083063 | Iustin Pop | return env, nl, nl
|
6647 | a8083063 | Iustin Pop | |
6648 | a8083063 | Iustin Pop | def CheckPrereq(self): |
6649 | a8083063 | Iustin Pop | """Check prerequisites.
|
6650 | a8083063 | Iustin Pop |
|
6651 | 9ac99fda | Guido Trotter | This checks that the instance and node names are valid.
|
6652 | a8083063 | Iustin Pop |
|
6653 | a8083063 | Iustin Pop | """
|
6654 | 6657590e | Guido Trotter | instance_name = self.op.instance_name
|
6655 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
6656 | 6657590e | Guido Trotter | assert self.instance is not None, \ |
6657 | 6657590e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
6658 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
6659 | a8083063 | Iustin Pop | |
6660 | 6657590e | Guido Trotter | self.dst_node = self.cfg.GetNodeInfo( |
6661 | 6657590e | Guido Trotter | self.cfg.ExpandNodeName(self.op.target_node)) |
6662 | a8083063 | Iustin Pop | |
6663 | 268b8e42 | Iustin Pop | if self.dst_node is None: |
6664 | 268b8e42 | Iustin Pop | # This is wrong node name, not a non-locked node
|
6665 | 268b8e42 | Iustin Pop | raise errors.OpPrereqError("Wrong node name %s" % self.op.target_node) |
6666 | aeb83a2b | Iustin Pop | _CheckNodeOnline(self, self.dst_node.name) |
6667 | 733a2b6a | Iustin Pop | _CheckNodeNotDrained(self, self.dst_node.name) |
6668 | a8083063 | Iustin Pop | |
6669 | b6023d6c | Manuel Franceschini | # instance disk type verification
|
6670 | b6023d6c | Manuel Franceschini | for disk in self.instance.disks: |
6671 | b6023d6c | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
6672 | b6023d6c | Manuel Franceschini | raise errors.OpPrereqError("Export not supported for instances with" |
6673 | b6023d6c | Manuel Franceschini | " file-based disks")
|
6674 | b6023d6c | Manuel Franceschini | |
6675 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
6676 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
6677 | a8083063 | Iustin Pop |
|
6678 | a8083063 | Iustin Pop | """
|
6679 | a8083063 | Iustin Pop | instance = self.instance
|
6680 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
6681 | a8083063 | Iustin Pop | src_node = instance.primary_node |
6682 | a8083063 | Iustin Pop | if self.op.shutdown: |
6683 | fb300fb7 | Guido Trotter | # shutdown the instance, but not the disks
|
6684 | 781de953 | Iustin Pop | result = self.rpc.call_instance_shutdown(src_node, instance)
|
6685 | 4c4e4e1e | Iustin Pop | result.Raise("Could not shutdown instance %s on"
|
6686 | 4c4e4e1e | Iustin Pop | " node %s" % (instance.name, src_node))
|
6687 | a8083063 | Iustin Pop | |
6688 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
6689 | a8083063 | Iustin Pop | |
6690 | a8083063 | Iustin Pop | snap_disks = [] |
6691 | a8083063 | Iustin Pop | |
6692 | 998c712c | Iustin Pop | # set the disks ID correctly since call_instance_start needs the
|
6693 | 998c712c | Iustin Pop | # correct drbd minor to create the symlinks
|
6694 | 998c712c | Iustin Pop | for disk in instance.disks: |
6695 | 998c712c | Iustin Pop | self.cfg.SetDiskID(disk, src_node)
|
6696 | 998c712c | Iustin Pop | |
6697 | a8083063 | Iustin Pop | try:
|
6698 | a97da6b7 | Iustin Pop | for idx, disk in enumerate(instance.disks): |
6699 | 87812fd3 | Iustin Pop | # result.payload will be a snapshot of an lvm leaf of the one we passed
|
6700 | 87812fd3 | Iustin Pop | result = self.rpc.call_blockdev_snapshot(src_node, disk)
|
6701 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
6702 | 87812fd3 | Iustin Pop | if msg:
|
6703 | af0413bb | Guido Trotter | self.LogWarning("Could not snapshot disk/%s on node %s: %s", |
6704 | af0413bb | Guido Trotter | idx, src_node, msg) |
6705 | 19d7f90a | Guido Trotter | snap_disks.append(False)
|
6706 | 19d7f90a | Guido Trotter | else:
|
6707 | 87812fd3 | Iustin Pop | disk_id = (vgname, result.payload) |
6708 | 19d7f90a | Guido Trotter | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
6709 | 87812fd3 | Iustin Pop | logical_id=disk_id, physical_id=disk_id, |
6710 | 19d7f90a | Guido Trotter | iv_name=disk.iv_name) |
6711 | 19d7f90a | Guido Trotter | snap_disks.append(new_dev) |
6712 | a8083063 | Iustin Pop | |
6713 | a8083063 | Iustin Pop | finally:
|
6714 | 0d68c45d | Iustin Pop | if self.op.shutdown and instance.admin_up: |
6715 | 0eca8e0c | Iustin Pop | result = self.rpc.call_instance_start(src_node, instance, None, None) |
6716 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
6717 | dd279568 | Iustin Pop | if msg:
|
6718 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
6719 | dd279568 | Iustin Pop | raise errors.OpExecError("Could not start instance: %s" % msg) |
6720 | a8083063 | Iustin Pop | |
6721 | a8083063 | Iustin Pop | # TODO: check for size
|
6722 | a8083063 | Iustin Pop | |
6723 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
6724 | 74c47259 | Iustin Pop | for idx, dev in enumerate(snap_disks): |
6725 | 19d7f90a | Guido Trotter | if dev:
|
6726 | 781de953 | Iustin Pop | result = self.rpc.call_snapshot_export(src_node, dev, dst_node.name,
|
6727 | 781de953 | Iustin Pop | instance, cluster_name, idx) |
6728 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
6729 | ba55d062 | Iustin Pop | if msg:
|
6730 | af0413bb | Guido Trotter | self.LogWarning("Could not export disk/%s from node %s to" |
6731 | af0413bb | Guido Trotter | " node %s: %s", idx, src_node, dst_node.name, msg)
|
6732 | 4c4e4e1e | Iustin Pop | msg = self.rpc.call_blockdev_remove(src_node, dev).fail_msg
|
6733 | e1bc0878 | Iustin Pop | if msg:
|
6734 | a97da6b7 | Iustin Pop | self.LogWarning("Could not remove snapshot for disk/%d from node" |
6735 | a97da6b7 | Iustin Pop | " %s: %s", idx, src_node, msg)
|
6736 | a8083063 | Iustin Pop | |
6737 | 781de953 | Iustin Pop | result = self.rpc.call_finalize_export(dst_node.name, instance, snap_disks)
|
6738 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
6739 | 9b201a0d | Iustin Pop | if msg:
|
6740 | 9b201a0d | Iustin Pop | self.LogWarning("Could not finalize export for instance %s" |
6741 | 9b201a0d | Iustin Pop | " on node %s: %s", instance.name, dst_node.name, msg)
|
6742 | a8083063 | Iustin Pop | |
6743 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
6744 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
6745 | a8083063 | Iustin Pop | |
6746 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
6747 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
6748 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
6749 | 35fbcd11 | Iustin Pop | iname = instance.name |
6750 | a8083063 | Iustin Pop | if nodelist:
|
6751 | 72737a7f | Iustin Pop | exportlist = self.rpc.call_export_list(nodelist)
|
6752 | a8083063 | Iustin Pop | for node in exportlist: |
6753 | 4c4e4e1e | Iustin Pop | if exportlist[node].fail_msg:
|
6754 | 781de953 | Iustin Pop | continue
|
6755 | 35fbcd11 | Iustin Pop | if iname in exportlist[node].payload: |
6756 | 4c4e4e1e | Iustin Pop | msg = self.rpc.call_export_remove(node, iname).fail_msg
|
6757 | 35fbcd11 | Iustin Pop | if msg:
|
6758 | 19d7f90a | Guido Trotter | self.LogWarning("Could not remove older export for instance %s" |
6759 | 35fbcd11 | Iustin Pop | " on node %s: %s", iname, node, msg)
|
6760 | 5c947f38 | Iustin Pop | |
6761 | 5c947f38 | Iustin Pop | |
6762 | 9ac99fda | Guido Trotter | class LURemoveExport(NoHooksLU): |
6763 | 9ac99fda | Guido Trotter | """Remove exports related to the named instance.
|
6764 | 9ac99fda | Guido Trotter |
|
6765 | 9ac99fda | Guido Trotter | """
|
6766 | 9ac99fda | Guido Trotter | _OP_REQP = ["instance_name"]
|
6767 | 3656b3af | Guido Trotter | REQ_BGL = False
|
6768 | 3656b3af | Guido Trotter | |
6769 | 3656b3af | Guido Trotter | def ExpandNames(self): |
6770 | 3656b3af | Guido Trotter | self.needed_locks = {}
|
6771 | 3656b3af | Guido Trotter | # We need all nodes to be locked in order for RemoveExport to work, but we
|
6772 | 3656b3af | Guido Trotter | # don't need to lock the instance itself, as nothing will happen to it (and
|
6773 | 3656b3af | Guido Trotter | # we can remove exports also for a removed instance)
|
6774 | 3656b3af | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
6775 | 9ac99fda | Guido Trotter | |
6776 | 9ac99fda | Guido Trotter | def CheckPrereq(self): |
6777 | 9ac99fda | Guido Trotter | """Check prerequisites.
|
6778 | 9ac99fda | Guido Trotter | """
|
6779 | 9ac99fda | Guido Trotter | pass
|
6780 | 9ac99fda | Guido Trotter | |
6781 | 9ac99fda | Guido Trotter | def Exec(self, feedback_fn): |
6782 | 9ac99fda | Guido Trotter | """Remove any export.
|
6783 | 9ac99fda | Guido Trotter |
|
6784 | 9ac99fda | Guido Trotter | """
|
6785 | 9ac99fda | Guido Trotter | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
6786 | 9ac99fda | Guido Trotter | # If the instance was not found we'll try with the name that was passed in.
|
6787 | 9ac99fda | Guido Trotter | # This will only work if it was an FQDN, though.
|
6788 | 9ac99fda | Guido Trotter | fqdn_warn = False
|
6789 | 9ac99fda | Guido Trotter | if not instance_name: |
6790 | 9ac99fda | Guido Trotter | fqdn_warn = True
|
6791 | 9ac99fda | Guido Trotter | instance_name = self.op.instance_name
|
6792 | 9ac99fda | Guido Trotter | |
6793 | 1b7bfbb7 | Iustin Pop | locked_nodes = self.acquired_locks[locking.LEVEL_NODE]
|
6794 | 1b7bfbb7 | Iustin Pop | exportlist = self.rpc.call_export_list(locked_nodes)
|
6795 | 9ac99fda | Guido Trotter | found = False
|
6796 | 9ac99fda | Guido Trotter | for node in exportlist: |
6797 | 4c4e4e1e | Iustin Pop | msg = exportlist[node].fail_msg |
6798 | 1b7bfbb7 | Iustin Pop | if msg:
|
6799 | 1b7bfbb7 | Iustin Pop | self.LogWarning("Failed to query node %s (continuing): %s", node, msg) |
6800 | 781de953 | Iustin Pop | continue
|
6801 | 1b7bfbb7 | Iustin Pop | if instance_name in exportlist[node].payload: |
6802 | 9ac99fda | Guido Trotter | found = True
|
6803 | 781de953 | Iustin Pop | result = self.rpc.call_export_remove(node, instance_name)
|
6804 | 4c4e4e1e | Iustin Pop | msg = result.fail_msg |
6805 | 35fbcd11 | Iustin Pop | if msg:
|
6806 | 9a4f63d1 | Iustin Pop | logging.error("Could not remove export for instance %s"
|
6807 | 35fbcd11 | Iustin Pop | " on node %s: %s", instance_name, node, msg)
|
6808 | 9ac99fda | Guido Trotter | |
6809 | 9ac99fda | Guido Trotter | if fqdn_warn and not found: |
6810 | 9ac99fda | Guido Trotter | feedback_fn("Export not found. If trying to remove an export belonging"
|
6811 | 9ac99fda | Guido Trotter | " to a deleted instance please use its Fully Qualified"
|
6812 | 9ac99fda | Guido Trotter | " Domain Name.")
|
6813 | 9ac99fda | Guido Trotter | |
6814 | 9ac99fda | Guido Trotter | |
6815 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
6816 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
6817 | 5c947f38 | Iustin Pop |
|
6818 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
6819 | 5c947f38 | Iustin Pop |
|
6820 | 5c947f38 | Iustin Pop | """
|
6821 | 5c947f38 | Iustin Pop | |
6822 | 8646adce | Guido Trotter | def ExpandNames(self): |
6823 | 8646adce | Guido Trotter | self.needed_locks = {}
|
6824 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_NODE: |
6825 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
6826 | 5c947f38 | Iustin Pop | if name is None: |
6827 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
6828 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
6829 | 5c947f38 | Iustin Pop | self.op.name = name
|
6830 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = name
|
6831 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
6832 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
6833 | 5c947f38 | Iustin Pop | if name is None: |
6834 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
6835 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
6836 | 5c947f38 | Iustin Pop | self.op.name = name
|
6837 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = name
|
6838 | 8646adce | Guido Trotter | |
6839 | 8646adce | Guido Trotter | def CheckPrereq(self): |
6840 | 8646adce | Guido Trotter | """Check prerequisites.
|
6841 | 8646adce | Guido Trotter |
|
6842 | 8646adce | Guido Trotter | """
|
6843 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_CLUSTER: |
6844 | 8646adce | Guido Trotter | self.target = self.cfg.GetClusterInfo() |
6845 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_NODE: |
6846 | 8646adce | Guido Trotter | self.target = self.cfg.GetNodeInfo(self.op.name) |
6847 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_INSTANCE: |
6848 | 8646adce | Guido Trotter | self.target = self.cfg.GetInstanceInfo(self.op.name) |
6849 | 5c947f38 | Iustin Pop | else:
|
6850 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
6851 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
6852 | 5c947f38 | Iustin Pop | |
6853 | 5c947f38 | Iustin Pop | |
6854 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
6855 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
6856 | 5c947f38 | Iustin Pop |
|
6857 | 5c947f38 | Iustin Pop | """
|
6858 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
6859 | 8646adce | Guido Trotter | REQ_BGL = False
|
6860 | 5c947f38 | Iustin Pop | |
6861 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
6862 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
6863 | 5c947f38 | Iustin Pop |
|
6864 | 5c947f38 | Iustin Pop | """
|
6865 | 5d414478 | Oleksiy Mishchenko | return list(self.target.GetTags()) |
6866 | 5c947f38 | Iustin Pop | |
6867 | 5c947f38 | Iustin Pop | |
6868 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
6869 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
6870 | 73415719 | Iustin Pop |
|
6871 | 73415719 | Iustin Pop | """
|
6872 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
6873 | 8646adce | Guido Trotter | REQ_BGL = False
|
6874 | 8646adce | Guido Trotter | |
6875 | 8646adce | Guido Trotter | def ExpandNames(self): |
6876 | 8646adce | Guido Trotter | self.needed_locks = {}
|
6877 | 73415719 | Iustin Pop | |
6878 | 73415719 | Iustin Pop | def CheckPrereq(self): |
6879 | 73415719 | Iustin Pop | """Check prerequisites.
|
6880 | 73415719 | Iustin Pop |
|
6881 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
6882 | 73415719 | Iustin Pop |
|
6883 | 73415719 | Iustin Pop | """
|
6884 | 73415719 | Iustin Pop | try:
|
6885 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
6886 | 73415719 | Iustin Pop | except re.error, err:
|
6887 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
6888 | 73415719 | Iustin Pop | (self.op.pattern, err))
|
6889 | 73415719 | Iustin Pop | |
6890 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
6891 | 73415719 | Iustin Pop | """Returns the tag list.
|
6892 | 73415719 | Iustin Pop |
|
6893 | 73415719 | Iustin Pop | """
|
6894 | 73415719 | Iustin Pop | cfg = self.cfg
|
6895 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
6896 | 8646adce | Guido Trotter | ilist = cfg.GetAllInstancesInfo().values() |
6897 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
6898 | 8646adce | Guido Trotter | nlist = cfg.GetAllNodesInfo().values() |
6899 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
6900 | 73415719 | Iustin Pop | results = [] |
6901 | 73415719 | Iustin Pop | for path, target in tgts: |
6902 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
6903 | 73415719 | Iustin Pop | if self.re.search(tag): |
6904 | 73415719 | Iustin Pop | results.append((path, tag)) |
6905 | 73415719 | Iustin Pop | return results
|
6906 | 73415719 | Iustin Pop | |
6907 | 73415719 | Iustin Pop | |
6908 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
6909 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
6910 | 5c947f38 | Iustin Pop |
|
6911 | 5c947f38 | Iustin Pop | """
|
6912 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
6913 | 8646adce | Guido Trotter | REQ_BGL = False
|
6914 | 5c947f38 | Iustin Pop | |
6915 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
6916 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
6917 | 5c947f38 | Iustin Pop |
|
6918 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
6919 | 5c947f38 | Iustin Pop |
|
6920 | 5c947f38 | Iustin Pop | """
|
6921 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
6922 | f27302fa | Iustin Pop | for tag in self.op.tags: |
6923 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
6924 | 5c947f38 | Iustin Pop | |
6925 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
6926 | 5c947f38 | Iustin Pop | """Sets the tag.
|
6927 | 5c947f38 | Iustin Pop |
|
6928 | 5c947f38 | Iustin Pop | """
|
6929 | 5c947f38 | Iustin Pop | try:
|
6930 | f27302fa | Iustin Pop | for tag in self.op.tags: |
6931 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
6932 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
6933 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
6934 | 5c947f38 | Iustin Pop | try:
|
6935 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
6936 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
6937 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
6938 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
6939 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
6940 | 5c947f38 | Iustin Pop | |
6941 | 5c947f38 | Iustin Pop | |
6942 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
6943 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
6944 | 5c947f38 | Iustin Pop |
|
6945 | 5c947f38 | Iustin Pop | """
|
6946 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
6947 | 8646adce | Guido Trotter | REQ_BGL = False
|
6948 | 5c947f38 | Iustin Pop | |
6949 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
6950 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
6951 | 5c947f38 | Iustin Pop |
|
6952 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
6953 | 5c947f38 | Iustin Pop |
|
6954 | 5c947f38 | Iustin Pop | """
|
6955 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
6956 | f27302fa | Iustin Pop | for tag in self.op.tags: |
6957 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
6958 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
6959 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
6960 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
6961 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
6962 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
6963 | f27302fa | Iustin Pop | diff_names.sort() |
6964 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
6965 | f27302fa | Iustin Pop | (",".join(diff_names)))
|
6966 | 5c947f38 | Iustin Pop | |
6967 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
6968 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
6969 | 5c947f38 | Iustin Pop |
|
6970 | 5c947f38 | Iustin Pop | """
|
6971 | f27302fa | Iustin Pop | for tag in self.op.tags: |
6972 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
6973 | 5c947f38 | Iustin Pop | try:
|
6974 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
6975 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
6976 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
6977 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
6978 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
6979 | 06009e27 | Iustin Pop | |
6980 | 0eed6e61 | Guido Trotter | |
6981 | 06009e27 | Iustin Pop | class LUTestDelay(NoHooksLU): |
6982 | 06009e27 | Iustin Pop | """Sleep for a specified amount of time.
|
6983 | 06009e27 | Iustin Pop |
|
6984 | 0b097284 | Guido Trotter | This LU sleeps on the master and/or nodes for a specified amount of
|
6985 | 06009e27 | Iustin Pop | time.
|
6986 | 06009e27 | Iustin Pop |
|
6987 | 06009e27 | Iustin Pop | """
|
6988 | 06009e27 | Iustin Pop | _OP_REQP = ["duration", "on_master", "on_nodes"] |
6989 | fbe9022f | Guido Trotter | REQ_BGL = False
|
6990 | 06009e27 | Iustin Pop | |
6991 | fbe9022f | Guido Trotter | def ExpandNames(self): |
6992 | fbe9022f | Guido Trotter | """Expand names and set required locks.
|
6993 | 06009e27 | Iustin Pop |
|
6994 | fbe9022f | Guido Trotter | This expands the node list, if any.
|
6995 | 06009e27 | Iustin Pop |
|
6996 | 06009e27 | Iustin Pop | """
|
6997 | fbe9022f | Guido Trotter | self.needed_locks = {}
|
6998 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
6999 | fbe9022f | Guido Trotter | # _GetWantedNodes can be used here, but is not always appropriate to use
|
7000 | fbe9022f | Guido Trotter | # this way in ExpandNames. Check LogicalUnit.ExpandNames docstring for
|
7001 | fbe9022f | Guido Trotter | # more information.
|
7002 | 06009e27 | Iustin Pop | self.op.on_nodes = _GetWantedNodes(self, self.op.on_nodes) |
7003 | fbe9022f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = self.op.on_nodes |
7004 | fbe9022f | Guido Trotter | |
7005 | fbe9022f | Guido Trotter | def CheckPrereq(self): |
7006 | fbe9022f | Guido Trotter | """Check prerequisites.
|
7007 | fbe9022f | Guido Trotter |
|
7008 | fbe9022f | Guido Trotter | """
|
7009 | 06009e27 | Iustin Pop | |
7010 | 06009e27 | Iustin Pop | def Exec(self, feedback_fn): |
7011 | 06009e27 | Iustin Pop | """Do the actual sleep.
|
7012 | 06009e27 | Iustin Pop |
|
7013 | 06009e27 | Iustin Pop | """
|
7014 | 06009e27 | Iustin Pop | if self.op.on_master: |
7015 | 06009e27 | Iustin Pop | if not utils.TestDelay(self.op.duration): |
7016 | 06009e27 | Iustin Pop | raise errors.OpExecError("Error during master delay test") |
7017 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
7018 | 72737a7f | Iustin Pop | result = self.rpc.call_test_delay(self.op.on_nodes, self.op.duration) |
7019 | 06009e27 | Iustin Pop | for node, node_result in result.items(): |
7020 | 4c4e4e1e | Iustin Pop | node_result.Raise("Failure during rpc call to node %s" % node)
|
7021 | d61df03e | Iustin Pop | |
7022 | d61df03e | Iustin Pop | |
7023 | d1c2dd75 | Iustin Pop | class IAllocator(object): |
7024 | d1c2dd75 | Iustin Pop | """IAllocator framework.
|
7025 | d61df03e | Iustin Pop |
|
7026 | d1c2dd75 | Iustin Pop | An IAllocator instance has three sets of attributes:
|
7027 | d6a02168 | Michael Hanselmann | - cfg that is needed to query the cluster
|
7028 | d1c2dd75 | Iustin Pop | - input data (all members of the _KEYS class attribute are required)
|
7029 | d1c2dd75 | Iustin Pop | - four buffer attributes (in|out_data|text), that represent the
|
7030 | d1c2dd75 | Iustin Pop | input (to the external script) in text and data structure format,
|
7031 | d1c2dd75 | Iustin Pop | and the output from it, again in two formats
|
7032 | d1c2dd75 | Iustin Pop | - the result variables from the script (success, info, nodes) for
|
7033 | d1c2dd75 | Iustin Pop | easy usage
|
7034 | d61df03e | Iustin Pop |
|
7035 | d61df03e | Iustin Pop | """
|
7036 | 29859cb7 | Iustin Pop | _ALLO_KEYS = [ |
7037 | d1c2dd75 | Iustin Pop | "mem_size", "disks", "disk_template", |
7038 | 8cc7e742 | Guido Trotter | "os", "tags", "nics", "vcpus", "hypervisor", |
7039 | d1c2dd75 | Iustin Pop | ] |
7040 | 29859cb7 | Iustin Pop | _RELO_KEYS = [ |
7041 | 29859cb7 | Iustin Pop | "relocate_from",
|
7042 | 29859cb7 | Iustin Pop | ] |
7043 | d1c2dd75 | Iustin Pop | |
7044 | 923ddac0 | Michael Hanselmann | def __init__(self, cfg, rpc, mode, name, **kwargs): |
7045 | 923ddac0 | Michael Hanselmann | self.cfg = cfg
|
7046 | 923ddac0 | Michael Hanselmann | self.rpc = rpc
|
7047 | d1c2dd75 | Iustin Pop | # init buffer variables
|
7048 | d1c2dd75 | Iustin Pop | self.in_text = self.out_text = self.in_data = self.out_data = None |
7049 | d1c2dd75 | Iustin Pop | # init all input fields so that pylint is happy
|
7050 | 29859cb7 | Iustin Pop | self.mode = mode
|
7051 | 29859cb7 | Iustin Pop | self.name = name
|
7052 | d1c2dd75 | Iustin Pop | self.mem_size = self.disks = self.disk_template = None |
7053 | d1c2dd75 | Iustin Pop | self.os = self.tags = self.nics = self.vcpus = None |
7054 | a0add446 | Iustin Pop | self.hypervisor = None |
7055 | 29859cb7 | Iustin Pop | self.relocate_from = None |
7056 | 27579978 | Iustin Pop | # computed fields
|
7057 | 27579978 | Iustin Pop | self.required_nodes = None |
7058 | d1c2dd75 | Iustin Pop | # init result fields
|
7059 | d1c2dd75 | Iustin Pop | self.success = self.info = self.nodes = None |
7060 | 29859cb7 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
7061 | 29859cb7 | Iustin Pop | keyset = self._ALLO_KEYS
|
7062 | 29859cb7 | Iustin Pop | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
7063 | 29859cb7 | Iustin Pop | keyset = self._RELO_KEYS
|
7064 | 29859cb7 | Iustin Pop | else:
|
7065 | 29859cb7 | Iustin Pop | raise errors.ProgrammerError("Unknown mode '%s' passed to the" |
7066 | 29859cb7 | Iustin Pop | " IAllocator" % self.mode) |
7067 | d1c2dd75 | Iustin Pop | for key in kwargs: |
7068 | 29859cb7 | Iustin Pop | if key not in keyset: |
7069 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Invalid input parameter '%s' to" |
7070 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
7071 | d1c2dd75 | Iustin Pop | setattr(self, key, kwargs[key]) |
7072 | 29859cb7 | Iustin Pop | for key in keyset: |
7073 | d1c2dd75 | Iustin Pop | if key not in kwargs: |
7074 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Missing input parameter '%s' to" |
7075 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
7076 | d1c2dd75 | Iustin Pop | self._BuildInputData()
|
7077 | d1c2dd75 | Iustin Pop | |
7078 | d1c2dd75 | Iustin Pop | def _ComputeClusterData(self): |
7079 | d1c2dd75 | Iustin Pop | """Compute the generic allocator input data.
|
7080 | d1c2dd75 | Iustin Pop |
|
7081 | d1c2dd75 | Iustin Pop | This is the data that is independent of the actual operation.
|
7082 | d1c2dd75 | Iustin Pop |
|
7083 | d1c2dd75 | Iustin Pop | """
|
7084 | 923ddac0 | Michael Hanselmann | cfg = self.cfg
|
7085 | e69d05fd | Iustin Pop | cluster_info = cfg.GetClusterInfo() |
7086 | d1c2dd75 | Iustin Pop | # cluster data
|
7087 | d1c2dd75 | Iustin Pop | data = { |
7088 | 77031881 | Iustin Pop | "version": constants.IALLOCATOR_VERSION,
|
7089 | 72737a7f | Iustin Pop | "cluster_name": cfg.GetClusterName(),
|
7090 | e69d05fd | Iustin Pop | "cluster_tags": list(cluster_info.GetTags()), |
7091 | 1325da74 | Iustin Pop | "enabled_hypervisors": list(cluster_info.enabled_hypervisors), |
7092 | d1c2dd75 | Iustin Pop | # we don't have job IDs
|
7093 | d61df03e | Iustin Pop | } |
7094 | b57e9819 | Guido Trotter | iinfo = cfg.GetAllInstancesInfo().values() |
7095 | b57e9819 | Guido Trotter | i_list = [(inst, cluster_info.FillBE(inst)) for inst in iinfo] |
7096 | 6286519f | Iustin Pop | |
7097 | d1c2dd75 | Iustin Pop | # node data
|
7098 | d1c2dd75 | Iustin Pop | node_results = {} |
7099 | d1c2dd75 | Iustin Pop | node_list = cfg.GetNodeList() |
7100 | 8cc7e742 | Guido Trotter | |
7101 | 8cc7e742 | Guido Trotter | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
7102 | a0add446 | Iustin Pop | hypervisor_name = self.hypervisor
|
7103 | 8cc7e742 | Guido Trotter | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
7104 | a0add446 | Iustin Pop | hypervisor_name = cfg.GetInstanceInfo(self.name).hypervisor
|
7105 | 8cc7e742 | Guido Trotter | |
7106 | 923ddac0 | Michael Hanselmann | node_data = self.rpc.call_node_info(node_list, cfg.GetVGName(),
|
7107 | 923ddac0 | Michael Hanselmann | hypervisor_name) |
7108 | 923ddac0 | Michael Hanselmann | node_iinfo = \ |
7109 | 923ddac0 | Michael Hanselmann | self.rpc.call_all_instances_info(node_list,
|
7110 | 923ddac0 | Michael Hanselmann | cluster_info.enabled_hypervisors) |
7111 | 1325da74 | Iustin Pop | for nname, nresult in node_data.items(): |
7112 | 1325da74 | Iustin Pop | # first fill in static (config-based) values
|
7113 | d1c2dd75 | Iustin Pop | ninfo = cfg.GetNodeInfo(nname) |
7114 | d1c2dd75 | Iustin Pop | pnr = { |
7115 | d1c2dd75 | Iustin Pop | "tags": list(ninfo.GetTags()), |
7116 | d1c2dd75 | Iustin Pop | "primary_ip": ninfo.primary_ip,
|
7117 | d1c2dd75 | Iustin Pop | "secondary_ip": ninfo.secondary_ip,
|
7118 | fc0fe88c | Iustin Pop | "offline": ninfo.offline,
|
7119 | 0b2454b9 | Iustin Pop | "drained": ninfo.drained,
|
7120 | 1325da74 | Iustin Pop | "master_candidate": ninfo.master_candidate,
|
7121 | d1c2dd75 | Iustin Pop | } |
7122 | 1325da74 | Iustin Pop | |
7123 | 1325da74 | Iustin Pop | if not ninfo.offline: |
7124 | 4c4e4e1e | Iustin Pop | nresult.Raise("Can't get data for node %s" % nname)
|
7125 | 4c4e4e1e | Iustin Pop | node_iinfo[nname].Raise("Can't get node instance info from node %s" %
|
7126 | 4c4e4e1e | Iustin Pop | nname) |
7127 | 070e998b | Iustin Pop | remote_info = nresult.payload |
7128 | 1325da74 | Iustin Pop | for attr in ['memory_total', 'memory_free', 'memory_dom0', |
7129 | 1325da74 | Iustin Pop | 'vg_size', 'vg_free', 'cpu_total']: |
7130 | 1325da74 | Iustin Pop | if attr not in remote_info: |
7131 | 1325da74 | Iustin Pop | raise errors.OpExecError("Node '%s' didn't return attribute" |
7132 | 1325da74 | Iustin Pop | " '%s'" % (nname, attr))
|
7133 | 070e998b | Iustin Pop | if not isinstance(remote_info[attr], int): |
7134 | 1325da74 | Iustin Pop | raise errors.OpExecError("Node '%s' returned invalid value" |
7135 | 070e998b | Iustin Pop | " for '%s': %s" %
|
7136 | 070e998b | Iustin Pop | (nname, attr, remote_info[attr])) |
7137 | 1325da74 | Iustin Pop | # compute memory used by primary instances
|
7138 | 1325da74 | Iustin Pop | i_p_mem = i_p_up_mem = 0
|
7139 | 1325da74 | Iustin Pop | for iinfo, beinfo in i_list: |
7140 | 1325da74 | Iustin Pop | if iinfo.primary_node == nname:
|
7141 | 1325da74 | Iustin Pop | i_p_mem += beinfo[constants.BE_MEMORY] |
7142 | 2fa74ef4 | Iustin Pop | if iinfo.name not in node_iinfo[nname].payload: |
7143 | 1325da74 | Iustin Pop | i_used_mem = 0
|
7144 | 1325da74 | Iustin Pop | else:
|
7145 | 2fa74ef4 | Iustin Pop | i_used_mem = int(node_iinfo[nname].payload[iinfo.name]['memory']) |
7146 | 1325da74 | Iustin Pop | i_mem_diff = beinfo[constants.BE_MEMORY] - i_used_mem |
7147 | 1325da74 | Iustin Pop | remote_info['memory_free'] -= max(0, i_mem_diff) |
7148 | 1325da74 | Iustin Pop | |
7149 | 1325da74 | Iustin Pop | if iinfo.admin_up:
|
7150 | 1325da74 | Iustin Pop | i_p_up_mem += beinfo[constants.BE_MEMORY] |
7151 | 1325da74 | Iustin Pop | |
7152 | 1325da74 | Iustin Pop | # compute memory used by instances
|
7153 | 1325da74 | Iustin Pop | pnr_dyn = { |
7154 | 1325da74 | Iustin Pop | "total_memory": remote_info['memory_total'], |
7155 | 1325da74 | Iustin Pop | "reserved_memory": remote_info['memory_dom0'], |
7156 | 1325da74 | Iustin Pop | "free_memory": remote_info['memory_free'], |
7157 | 1325da74 | Iustin Pop | "total_disk": remote_info['vg_size'], |
7158 | 1325da74 | Iustin Pop | "free_disk": remote_info['vg_free'], |
7159 | 1325da74 | Iustin Pop | "total_cpus": remote_info['cpu_total'], |
7160 | 1325da74 | Iustin Pop | "i_pri_memory": i_p_mem,
|
7161 | 1325da74 | Iustin Pop | "i_pri_up_memory": i_p_up_mem,
|
7162 | 1325da74 | Iustin Pop | } |
7163 | 1325da74 | Iustin Pop | pnr.update(pnr_dyn) |
7164 | 1325da74 | Iustin Pop | |
7165 | d1c2dd75 | Iustin Pop | node_results[nname] = pnr |
7166 | d1c2dd75 | Iustin Pop | data["nodes"] = node_results
|
7167 | d1c2dd75 | Iustin Pop | |
7168 | d1c2dd75 | Iustin Pop | # instance data
|
7169 | d1c2dd75 | Iustin Pop | instance_data = {} |
7170 | 338e51e8 | Iustin Pop | for iinfo, beinfo in i_list: |
7171 | a9fe7e8f | Guido Trotter | nic_data = [] |
7172 | a9fe7e8f | Guido Trotter | for nic in iinfo.nics: |
7173 | a9fe7e8f | Guido Trotter | filled_params = objects.FillDict( |
7174 | a9fe7e8f | Guido Trotter | cluster_info.nicparams[constants.PP_DEFAULT], |
7175 | a9fe7e8f | Guido Trotter | nic.nicparams) |
7176 | a9fe7e8f | Guido Trotter | nic_dict = {"mac": nic.mac,
|
7177 | a9fe7e8f | Guido Trotter | "ip": nic.ip,
|
7178 | a9fe7e8f | Guido Trotter | "mode": filled_params[constants.NIC_MODE],
|
7179 | a9fe7e8f | Guido Trotter | "link": filled_params[constants.NIC_LINK],
|
7180 | a9fe7e8f | Guido Trotter | } |
7181 | a9fe7e8f | Guido Trotter | if filled_params[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
7182 | a9fe7e8f | Guido Trotter | nic_dict["bridge"] = filled_params[constants.NIC_LINK]
|
7183 | a9fe7e8f | Guido Trotter | nic_data.append(nic_dict) |
7184 | d1c2dd75 | Iustin Pop | pir = { |
7185 | d1c2dd75 | Iustin Pop | "tags": list(iinfo.GetTags()), |
7186 | 1325da74 | Iustin Pop | "admin_up": iinfo.admin_up,
|
7187 | 338e51e8 | Iustin Pop | "vcpus": beinfo[constants.BE_VCPUS],
|
7188 | 338e51e8 | Iustin Pop | "memory": beinfo[constants.BE_MEMORY],
|
7189 | d1c2dd75 | Iustin Pop | "os": iinfo.os,
|
7190 | 1325da74 | Iustin Pop | "nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes), |
7191 | d1c2dd75 | Iustin Pop | "nics": nic_data,
|
7192 | 1325da74 | Iustin Pop | "disks": [{"size": dsk.size, "mode": dsk.mode} for dsk in iinfo.disks], |
7193 | d1c2dd75 | Iustin Pop | "disk_template": iinfo.disk_template,
|
7194 | e69d05fd | Iustin Pop | "hypervisor": iinfo.hypervisor,
|
7195 | d1c2dd75 | Iustin Pop | } |
7196 | 88ae4f85 | Iustin Pop | pir["disk_space_total"] = _ComputeDiskSize(iinfo.disk_template,
|
7197 | 88ae4f85 | Iustin Pop | pir["disks"])
|
7198 | 768f0a80 | Iustin Pop | instance_data[iinfo.name] = pir |
7199 | d61df03e | Iustin Pop | |
7200 | d1c2dd75 | Iustin Pop | data["instances"] = instance_data
|
7201 | d61df03e | Iustin Pop | |
7202 | d1c2dd75 | Iustin Pop | self.in_data = data
|
7203 | d61df03e | Iustin Pop | |
7204 | d1c2dd75 | Iustin Pop | def _AddNewInstance(self): |
7205 | d1c2dd75 | Iustin Pop | """Add new instance data to allocator structure.
|
7206 | d61df03e | Iustin Pop |
|
7207 | d1c2dd75 | Iustin Pop | This in combination with _AllocatorGetClusterData will create the
|
7208 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
7209 | d61df03e | Iustin Pop |
|
7210 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
7211 | d1c2dd75 | Iustin Pop | done.
|
7212 | d61df03e | Iustin Pop |
|
7213 | d1c2dd75 | Iustin Pop | """
|
7214 | d1c2dd75 | Iustin Pop | data = self.in_data
|
7215 | d1c2dd75 | Iustin Pop | |
7216 | dafc7302 | Guido Trotter | disk_space = _ComputeDiskSize(self.disk_template, self.disks) |
7217 | d1c2dd75 | Iustin Pop | |
7218 | 27579978 | Iustin Pop | if self.disk_template in constants.DTS_NET_MIRROR: |
7219 | 27579978 | Iustin Pop | self.required_nodes = 2 |
7220 | 27579978 | Iustin Pop | else:
|
7221 | 27579978 | Iustin Pop | self.required_nodes = 1 |
7222 | d1c2dd75 | Iustin Pop | request = { |
7223 | d1c2dd75 | Iustin Pop | "type": "allocate", |
7224 | d1c2dd75 | Iustin Pop | "name": self.name, |
7225 | d1c2dd75 | Iustin Pop | "disk_template": self.disk_template, |
7226 | d1c2dd75 | Iustin Pop | "tags": self.tags, |
7227 | d1c2dd75 | Iustin Pop | "os": self.os, |
7228 | d1c2dd75 | Iustin Pop | "vcpus": self.vcpus, |
7229 | d1c2dd75 | Iustin Pop | "memory": self.mem_size, |
7230 | d1c2dd75 | Iustin Pop | "disks": self.disks, |
7231 | d1c2dd75 | Iustin Pop | "disk_space_total": disk_space,
|
7232 | d1c2dd75 | Iustin Pop | "nics": self.nics, |
7233 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
7234 | d1c2dd75 | Iustin Pop | } |
7235 | d1c2dd75 | Iustin Pop | data["request"] = request
|
7236 | 298fe380 | Iustin Pop | |
7237 | d1c2dd75 | Iustin Pop | def _AddRelocateInstance(self): |
7238 | d1c2dd75 | Iustin Pop | """Add relocate instance data to allocator structure.
|
7239 | 298fe380 | Iustin Pop |
|
7240 | d1c2dd75 | Iustin Pop | This in combination with _IAllocatorGetClusterData will create the
|
7241 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
7242 | d61df03e | Iustin Pop |
|
7243 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
7244 | d1c2dd75 | Iustin Pop | done.
|
7245 | d61df03e | Iustin Pop |
|
7246 | d1c2dd75 | Iustin Pop | """
|
7247 | 923ddac0 | Michael Hanselmann | instance = self.cfg.GetInstanceInfo(self.name) |
7248 | 27579978 | Iustin Pop | if instance is None: |
7249 | 27579978 | Iustin Pop | raise errors.ProgrammerError("Unknown instance '%s' passed to" |
7250 | 27579978 | Iustin Pop | " IAllocator" % self.name) |
7251 | 27579978 | Iustin Pop | |
7252 | 27579978 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
7253 | 27579978 | Iustin Pop | raise errors.OpPrereqError("Can't relocate non-mirrored instances") |
7254 | 27579978 | Iustin Pop | |
7255 | 2a139bb0 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
7256 | 2a139bb0 | Iustin Pop | raise errors.OpPrereqError("Instance has not exactly one secondary node") |
7257 | 2a139bb0 | Iustin Pop | |
7258 | 27579978 | Iustin Pop | self.required_nodes = 1 |
7259 | dafc7302 | Guido Trotter | disk_sizes = [{'size': disk.size} for disk in instance.disks] |
7260 | dafc7302 | Guido Trotter | disk_space = _ComputeDiskSize(instance.disk_template, disk_sizes) |
7261 | 27579978 | Iustin Pop | |
7262 | d1c2dd75 | Iustin Pop | request = { |
7263 | 2a139bb0 | Iustin Pop | "type": "relocate", |
7264 | d1c2dd75 | Iustin Pop | "name": self.name, |
7265 | 27579978 | Iustin Pop | "disk_space_total": disk_space,
|
7266 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
7267 | 29859cb7 | Iustin Pop | "relocate_from": self.relocate_from, |
7268 | d1c2dd75 | Iustin Pop | } |
7269 | 27579978 | Iustin Pop | self.in_data["request"] = request |
7270 | d61df03e | Iustin Pop | |
7271 | d1c2dd75 | Iustin Pop | def _BuildInputData(self): |
7272 | d1c2dd75 | Iustin Pop | """Build input data structures.
|
7273 | d61df03e | Iustin Pop |
|
7274 | d1c2dd75 | Iustin Pop | """
|
7275 | d1c2dd75 | Iustin Pop | self._ComputeClusterData()
|
7276 | d61df03e | Iustin Pop | |
7277 | d1c2dd75 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
7278 | d1c2dd75 | Iustin Pop | self._AddNewInstance()
|
7279 | d1c2dd75 | Iustin Pop | else:
|
7280 | d1c2dd75 | Iustin Pop | self._AddRelocateInstance()
|
7281 | d61df03e | Iustin Pop | |
7282 | d1c2dd75 | Iustin Pop | self.in_text = serializer.Dump(self.in_data) |
7283 | d61df03e | Iustin Pop | |
7284 | 72737a7f | Iustin Pop | def Run(self, name, validate=True, call_fn=None): |
7285 | d1c2dd75 | Iustin Pop | """Run an instance allocator and return the results.
|
7286 | 298fe380 | Iustin Pop |
|
7287 | d1c2dd75 | Iustin Pop | """
|
7288 | 72737a7f | Iustin Pop | if call_fn is None: |
7289 | 923ddac0 | Michael Hanselmann | call_fn = self.rpc.call_iallocator_runner
|
7290 | 298fe380 | Iustin Pop | |
7291 | 923ddac0 | Michael Hanselmann | result = call_fn(self.cfg.GetMasterNode(), name, self.in_text) |
7292 | 4c4e4e1e | Iustin Pop | result.Raise("Failure while running the iallocator script")
|
7293 | 8d528b7c | Iustin Pop | |
7294 | 87f5c298 | Iustin Pop | self.out_text = result.payload
|
7295 | d1c2dd75 | Iustin Pop | if validate:
|
7296 | d1c2dd75 | Iustin Pop | self._ValidateResult()
|
7297 | 298fe380 | Iustin Pop | |
7298 | d1c2dd75 | Iustin Pop | def _ValidateResult(self): |
7299 | d1c2dd75 | Iustin Pop | """Process the allocator results.
|
7300 | 538475ca | Iustin Pop |
|
7301 | d1c2dd75 | Iustin Pop | This will process and if successful save the result in
|
7302 | d1c2dd75 | Iustin Pop | self.out_data and the other parameters.
|
7303 | 538475ca | Iustin Pop |
|
7304 | d1c2dd75 | Iustin Pop | """
|
7305 | d1c2dd75 | Iustin Pop | try:
|
7306 | d1c2dd75 | Iustin Pop | rdict = serializer.Load(self.out_text)
|
7307 | d1c2dd75 | Iustin Pop | except Exception, err: |
7308 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: %s" % str(err)) |
7309 | d1c2dd75 | Iustin Pop | |
7310 | d1c2dd75 | Iustin Pop | if not isinstance(rdict, dict): |
7311 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: not a dict") |
7312 | 538475ca | Iustin Pop | |
7313 | d1c2dd75 | Iustin Pop | for key in "success", "info", "nodes": |
7314 | d1c2dd75 | Iustin Pop | if key not in rdict: |
7315 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results:" |
7316 | d1c2dd75 | Iustin Pop | " missing key '%s'" % key)
|
7317 | d1c2dd75 | Iustin Pop | setattr(self, key, rdict[key]) |
7318 | 538475ca | Iustin Pop | |
7319 | d1c2dd75 | Iustin Pop | if not isinstance(rdict["nodes"], list): |
7320 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: 'nodes' key" |
7321 | d1c2dd75 | Iustin Pop | " is not a list")
|
7322 | d1c2dd75 | Iustin Pop | self.out_data = rdict
|
7323 | 538475ca | Iustin Pop | |
7324 | 538475ca | Iustin Pop | |
7325 | d61df03e | Iustin Pop | class LUTestAllocator(NoHooksLU): |
7326 | d61df03e | Iustin Pop | """Run allocator tests.
|
7327 | d61df03e | Iustin Pop |
|
7328 | d61df03e | Iustin Pop | This LU runs the allocator tests
|
7329 | d61df03e | Iustin Pop |
|
7330 | d61df03e | Iustin Pop | """
|
7331 | d61df03e | Iustin Pop | _OP_REQP = ["direction", "mode", "name"] |
7332 | d61df03e | Iustin Pop | |
7333 | d61df03e | Iustin Pop | def CheckPrereq(self): |
7334 | d61df03e | Iustin Pop | """Check prerequisites.
|
7335 | d61df03e | Iustin Pop |
|
7336 | d61df03e | Iustin Pop | This checks the opcode parameters depending on the director and mode test.
|
7337 | d61df03e | Iustin Pop |
|
7338 | d61df03e | Iustin Pop | """
|
7339 | 298fe380 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
7340 | d61df03e | Iustin Pop | for attr in ["name", "mem_size", "disks", "disk_template", |
7341 | d61df03e | Iustin Pop | "os", "tags", "nics", "vcpus"]: |
7342 | d61df03e | Iustin Pop | if not hasattr(self.op, attr): |
7343 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute '%s' on opcode input" % |
7344 | d61df03e | Iustin Pop | attr) |
7345 | d61df03e | Iustin Pop | iname = self.cfg.ExpandInstanceName(self.op.name) |
7346 | d61df03e | Iustin Pop | if iname is not None: |
7347 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' already in the cluster" % |
7348 | d61df03e | Iustin Pop | iname) |
7349 | d61df03e | Iustin Pop | if not isinstance(self.op.nics, list): |
7350 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'nics'") |
7351 | d61df03e | Iustin Pop | for row in self.op.nics: |
7352 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
7353 | d61df03e | Iustin Pop | "mac" not in row or |
7354 | d61df03e | Iustin Pop | "ip" not in row or |
7355 | d61df03e | Iustin Pop | "bridge" not in row): |
7356 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
7357 | d61df03e | Iustin Pop | " 'nics' parameter")
|
7358 | d61df03e | Iustin Pop | if not isinstance(self.op.disks, list): |
7359 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'disks'") |
7360 | d61df03e | Iustin Pop | for row in self.op.disks: |
7361 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
7362 | d61df03e | Iustin Pop | "size" not in row or |
7363 | d61df03e | Iustin Pop | not isinstance(row["size"], int) or |
7364 | d61df03e | Iustin Pop | "mode" not in row or |
7365 | d61df03e | Iustin Pop | row["mode"] not in ['r', 'w']): |
7366 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
7367 | d61df03e | Iustin Pop | " 'disks' parameter")
|
7368 | 8901997e | Iustin Pop | if not hasattr(self.op, "hypervisor") or self.op.hypervisor is None: |
7369 | 8cc7e742 | Guido Trotter | self.op.hypervisor = self.cfg.GetHypervisorType() |
7370 | 298fe380 | Iustin Pop | elif self.op.mode == constants.IALLOCATOR_MODE_RELOC: |
7371 | d61df03e | Iustin Pop | if not hasattr(self.op, "name"): |
7372 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute 'name' on opcode input") |
7373 | d61df03e | Iustin Pop | fname = self.cfg.ExpandInstanceName(self.op.name) |
7374 | d61df03e | Iustin Pop | if fname is None: |
7375 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found for relocation" % |
7376 | d61df03e | Iustin Pop | self.op.name)
|
7377 | d61df03e | Iustin Pop | self.op.name = fname
|
7378 | 29859cb7 | Iustin Pop | self.relocate_from = self.cfg.GetInstanceInfo(fname).secondary_nodes |
7379 | d61df03e | Iustin Pop | else:
|
7380 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid test allocator mode '%s'" % |
7381 | d61df03e | Iustin Pop | self.op.mode)
|
7382 | d61df03e | Iustin Pop | |
7383 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_OUT: |
7384 | 298fe380 | Iustin Pop | if not hasattr(self.op, "allocator") or self.op.allocator is None: |
7385 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing allocator name") |
7386 | 298fe380 | Iustin Pop | elif self.op.direction != constants.IALLOCATOR_DIR_IN: |
7387 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Wrong allocator test '%s'" % |
7388 | d61df03e | Iustin Pop | self.op.direction)
|
7389 | d61df03e | Iustin Pop | |
7390 | d61df03e | Iustin Pop | def Exec(self, feedback_fn): |
7391 | d61df03e | Iustin Pop | """Run the allocator test.
|
7392 | d61df03e | Iustin Pop |
|
7393 | d61df03e | Iustin Pop | """
|
7394 | 29859cb7 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
7395 | 923ddac0 | Michael Hanselmann | ial = IAllocator(self.cfg, self.rpc, |
7396 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
7397 | 29859cb7 | Iustin Pop | name=self.op.name,
|
7398 | 29859cb7 | Iustin Pop | mem_size=self.op.mem_size,
|
7399 | 29859cb7 | Iustin Pop | disks=self.op.disks,
|
7400 | 29859cb7 | Iustin Pop | disk_template=self.op.disk_template,
|
7401 | 29859cb7 | Iustin Pop | os=self.op.os,
|
7402 | 29859cb7 | Iustin Pop | tags=self.op.tags,
|
7403 | 29859cb7 | Iustin Pop | nics=self.op.nics,
|
7404 | 29859cb7 | Iustin Pop | vcpus=self.op.vcpus,
|
7405 | 8cc7e742 | Guido Trotter | hypervisor=self.op.hypervisor,
|
7406 | 29859cb7 | Iustin Pop | ) |
7407 | 29859cb7 | Iustin Pop | else:
|
7408 | 923ddac0 | Michael Hanselmann | ial = IAllocator(self.cfg, self.rpc, |
7409 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
7410 | 29859cb7 | Iustin Pop | name=self.op.name,
|
7411 | 29859cb7 | Iustin Pop | relocate_from=list(self.relocate_from), |
7412 | 29859cb7 | Iustin Pop | ) |
7413 | d61df03e | Iustin Pop | |
7414 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_IN: |
7415 | d1c2dd75 | Iustin Pop | result = ial.in_text |
7416 | 298fe380 | Iustin Pop | else:
|
7417 | d1c2dd75 | Iustin Pop | ial.Run(self.op.allocator, validate=False) |
7418 | d1c2dd75 | Iustin Pop | result = ial.out_text |
7419 | 298fe380 | Iustin Pop | return result |