root / lib / cmdlib.py @ 0e67cdbe
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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 sha |
29 | a8083063 | Iustin Pop | import time |
30 | a8083063 | Iustin Pop | import tempfile |
31 | a8083063 | Iustin Pop | import re |
32 | a8083063 | Iustin Pop | import platform |
33 | ffa1c0dc | Iustin Pop | import logging |
34 | 74409b12 | Iustin Pop | import copy |
35 | a8083063 | Iustin Pop | |
36 | a8083063 | Iustin Pop | from ganeti import ssh |
37 | a8083063 | Iustin Pop | from ganeti import utils |
38 | a8083063 | Iustin Pop | from ganeti import errors |
39 | a8083063 | Iustin Pop | from ganeti import hypervisor |
40 | 6048c986 | Guido Trotter | from ganeti import locking |
41 | a8083063 | Iustin Pop | from ganeti import constants |
42 | a8083063 | Iustin Pop | from ganeti import objects |
43 | a8083063 | Iustin Pop | from ganeti import opcodes |
44 | 8d14b30d | Iustin Pop | from ganeti import serializer |
45 | d61df03e | Iustin Pop | |
46 | d61df03e | Iustin Pop | |
47 | a8083063 | Iustin Pop | class LogicalUnit(object): |
48 | 396e1b78 | Michael Hanselmann | """Logical Unit base class.
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49 | a8083063 | Iustin Pop |
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50 | a8083063 | Iustin Pop | Subclasses must follow these rules:
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51 | d465bdc8 | Guido Trotter | - implement ExpandNames
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52 | d465bdc8 | Guido Trotter | - implement CheckPrereq
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53 | a8083063 | Iustin Pop | - implement Exec
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54 | a8083063 | Iustin Pop | - implement BuildHooksEnv
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55 | a8083063 | Iustin Pop | - redefine HPATH and HTYPE
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56 | 05f86716 | Guido Trotter | - optionally redefine their run requirements:
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57 | 7e55040e | Guido Trotter | REQ_BGL: the LU needs to hold the Big Ganeti Lock exclusively
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58 | 05f86716 | Guido Trotter |
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59 | 05f86716 | Guido Trotter | Note that all commands require root permissions.
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60 | a8083063 | Iustin Pop |
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61 | a8083063 | Iustin Pop | """
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62 | a8083063 | Iustin Pop | HPATH = None
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63 | a8083063 | Iustin Pop | HTYPE = None
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64 | a8083063 | Iustin Pop | _OP_REQP = [] |
65 | 7e55040e | Guido Trotter | REQ_BGL = True
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66 | a8083063 | Iustin Pop | |
67 | 72737a7f | Iustin Pop | def __init__(self, processor, op, context, rpc): |
68 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
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69 | a8083063 | Iustin Pop |
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70 | a8083063 | Iustin Pop | This needs to be overriden in derived classes in order to check op
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71 | a8083063 | Iustin Pop | validity.
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72 | a8083063 | Iustin Pop |
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73 | a8083063 | Iustin Pop | """
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74 | 5bfac263 | Iustin Pop | self.proc = processor
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75 | a8083063 | Iustin Pop | self.op = op
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76 | 77b657a3 | Guido Trotter | self.cfg = context.cfg
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77 | 77b657a3 | Guido Trotter | self.context = context
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78 | 72737a7f | Iustin Pop | self.rpc = rpc
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79 | ca2a79e1 | Guido Trotter | # Dicts used to declare locking needs to mcpu
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80 | d465bdc8 | Guido Trotter | self.needed_locks = None |
81 | 6683bba2 | Guido Trotter | self.acquired_locks = {}
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82 | 3977a4c1 | Guido Trotter | self.share_locks = dict(((i, 0) for i in locking.LEVELS)) |
83 | ca2a79e1 | Guido Trotter | self.add_locks = {}
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84 | ca2a79e1 | Guido Trotter | self.remove_locks = {}
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85 | c4a2fee1 | Guido Trotter | # Used to force good behavior when calling helper functions
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86 | c4a2fee1 | Guido Trotter | self.recalculate_locks = {}
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87 | c92b310a | Michael Hanselmann | self.__ssh = None |
88 | 86d9d3bb | Iustin Pop | # logging
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89 | 86d9d3bb | Iustin Pop | self.LogWarning = processor.LogWarning
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90 | 86d9d3bb | Iustin Pop | self.LogInfo = processor.LogInfo
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91 | c92b310a | Michael Hanselmann | |
92 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
93 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
94 | a8083063 | Iustin Pop | if attr_val is None: |
95 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
96 | 3ecf6786 | Iustin Pop | attr_name) |
97 | 4be4691d | Iustin Pop | self.CheckArguments()
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98 | a8083063 | Iustin Pop | |
99 | c92b310a | Michael Hanselmann | def __GetSSH(self): |
100 | c92b310a | Michael Hanselmann | """Returns the SshRunner object
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101 | c92b310a | Michael Hanselmann |
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102 | c92b310a | Michael Hanselmann | """
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103 | c92b310a | Michael Hanselmann | if not self.__ssh: |
104 | 6b0469d2 | Iustin Pop | self.__ssh = ssh.SshRunner(self.cfg.GetClusterName()) |
105 | c92b310a | Michael Hanselmann | return self.__ssh |
106 | c92b310a | Michael Hanselmann | |
107 | c92b310a | Michael Hanselmann | ssh = property(fget=__GetSSH)
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108 | c92b310a | Michael Hanselmann | |
109 | 4be4691d | Iustin Pop | def CheckArguments(self): |
110 | 4be4691d | Iustin Pop | """Check syntactic validity for the opcode arguments.
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111 | 4be4691d | Iustin Pop |
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112 | 4be4691d | Iustin Pop | This method is for doing a simple syntactic check and ensure
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113 | 4be4691d | Iustin Pop | validity of opcode parameters, without any cluster-related
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114 | 4be4691d | Iustin Pop | checks. While the same can be accomplished in ExpandNames and/or
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115 | 4be4691d | Iustin Pop | CheckPrereq, doing these separate is better because:
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116 | 4be4691d | Iustin Pop |
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117 | 4be4691d | Iustin Pop | - ExpandNames is left as as purely a lock-related function
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118 | 4be4691d | Iustin Pop | - CheckPrereq is run after we have aquired locks (and possible
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119 | 4be4691d | Iustin Pop | waited for them)
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120 | 4be4691d | Iustin Pop |
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121 | 4be4691d | Iustin Pop | The function is allowed to change the self.op attribute so that
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122 | 4be4691d | Iustin Pop | later methods can no longer worry about missing parameters.
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123 | 4be4691d | Iustin Pop |
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124 | 4be4691d | Iustin Pop | """
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125 | 4be4691d | Iustin Pop | pass
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126 | 4be4691d | Iustin Pop | |
127 | d465bdc8 | Guido Trotter | def ExpandNames(self): |
128 | d465bdc8 | Guido Trotter | """Expand names for this LU.
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129 | d465bdc8 | Guido Trotter |
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130 | d465bdc8 | Guido Trotter | This method is called before starting to execute the opcode, and it should
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131 | d465bdc8 | Guido Trotter | update all the parameters of the opcode to their canonical form (e.g. a
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132 | d465bdc8 | Guido Trotter | short node name must be fully expanded after this method has successfully
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133 | d465bdc8 | Guido Trotter | completed). This way locking, hooks, logging, ecc. can work correctly.
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134 | d465bdc8 | Guido Trotter |
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135 | d465bdc8 | Guido Trotter | LUs which implement this method must also populate the self.needed_locks
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136 | d465bdc8 | Guido Trotter | member, as a dict with lock levels as keys, and a list of needed lock names
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137 | d465bdc8 | Guido Trotter | as values. Rules:
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138 | e4376078 | Iustin Pop |
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139 | e4376078 | Iustin Pop | - use an empty dict if you don't need any lock
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140 | e4376078 | Iustin Pop | - if you don't need any lock at a particular level omit that level
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141 | e4376078 | Iustin Pop | - don't put anything for the BGL level
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142 | e4376078 | Iustin Pop | - if you want all locks at a level use locking.ALL_SET as a value
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143 | d465bdc8 | Guido Trotter |
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144 | 3977a4c1 | Guido Trotter | If you need to share locks (rather than acquire them exclusively) at one
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145 | 3977a4c1 | Guido Trotter | level you can modify self.share_locks, setting a true value (usually 1) for
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146 | 3977a4c1 | Guido Trotter | that level. By default locks are not shared.
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147 | 3977a4c1 | Guido Trotter |
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148 | e4376078 | Iustin Pop | Examples::
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149 | e4376078 | Iustin Pop |
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150 | e4376078 | Iustin Pop | # Acquire all nodes and one instance
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151 | e4376078 | Iustin Pop | self.needed_locks = {
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152 | e4376078 | Iustin Pop | locking.LEVEL_NODE: locking.ALL_SET,
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153 | e4376078 | Iustin Pop | locking.LEVEL_INSTANCE: ['instance1.example.tld'],
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154 | e4376078 | Iustin Pop | }
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155 | e4376078 | Iustin Pop | # Acquire just two nodes
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156 | e4376078 | Iustin Pop | self.needed_locks = {
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157 | e4376078 | Iustin Pop | locking.LEVEL_NODE: ['node1.example.tld', 'node2.example.tld'],
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158 | e4376078 | Iustin Pop | }
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159 | e4376078 | Iustin Pop | # Acquire no locks
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160 | e4376078 | Iustin Pop | self.needed_locks = {} # No, you can't leave it to the default value None
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161 | d465bdc8 | Guido Trotter |
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162 | d465bdc8 | Guido Trotter | """
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163 | d465bdc8 | Guido Trotter | # The implementation of this method is mandatory only if the new LU is
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164 | d465bdc8 | Guido Trotter | # concurrent, so that old LUs don't need to be changed all at the same
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165 | d465bdc8 | Guido Trotter | # time.
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166 | d465bdc8 | Guido Trotter | if self.REQ_BGL: |
167 | d465bdc8 | Guido Trotter | self.needed_locks = {} # Exclusive LUs don't need locks. |
168 | d465bdc8 | Guido Trotter | else:
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169 | d465bdc8 | Guido Trotter | raise NotImplementedError |
170 | d465bdc8 | Guido Trotter | |
171 | fb8dcb62 | Guido Trotter | def DeclareLocks(self, level): |
172 | fb8dcb62 | Guido Trotter | """Declare LU locking needs for a level
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173 | fb8dcb62 | Guido Trotter |
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174 | fb8dcb62 | Guido Trotter | While most LUs can just declare their locking needs at ExpandNames time,
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175 | fb8dcb62 | Guido Trotter | sometimes there's the need to calculate some locks after having acquired
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176 | fb8dcb62 | Guido Trotter | the ones before. This function is called just before acquiring locks at a
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177 | fb8dcb62 | Guido Trotter | particular level, but after acquiring the ones at lower levels, and permits
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178 | fb8dcb62 | Guido Trotter | such calculations. It can be used to modify self.needed_locks, and by
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179 | fb8dcb62 | Guido Trotter | default it does nothing.
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180 | fb8dcb62 | Guido Trotter |
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181 | fb8dcb62 | Guido Trotter | This function is only called if you have something already set in
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182 | fb8dcb62 | Guido Trotter | self.needed_locks for the level.
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183 | fb8dcb62 | Guido Trotter |
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184 | fb8dcb62 | Guido Trotter | @param level: Locking level which is going to be locked
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185 | fb8dcb62 | Guido Trotter | @type level: member of ganeti.locking.LEVELS
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186 | fb8dcb62 | Guido Trotter |
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187 | fb8dcb62 | Guido Trotter | """
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188 | fb8dcb62 | Guido Trotter | |
189 | a8083063 | Iustin Pop | def CheckPrereq(self): |
190 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
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191 | a8083063 | Iustin Pop |
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192 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
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193 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
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194 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
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195 | a8083063 | Iustin Pop | allowed.
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196 | a8083063 | Iustin Pop |
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197 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
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198 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
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199 | a8083063 | Iustin Pop |
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200 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
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201 | d465bdc8 | Guido Trotter | their canonical form if it hasn't been done by ExpandNames before.
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202 | a8083063 | Iustin Pop |
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203 | a8083063 | Iustin Pop | """
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204 | a8083063 | Iustin Pop | raise NotImplementedError |
205 | a8083063 | Iustin Pop | |
206 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
207 | a8083063 | Iustin Pop | """Execute the LU.
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208 | a8083063 | Iustin Pop |
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209 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
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210 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
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211 | a8083063 | Iustin Pop | code, or expected.
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212 | a8083063 | Iustin Pop |
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213 | a8083063 | Iustin Pop | """
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214 | a8083063 | Iustin Pop | raise NotImplementedError |
215 | a8083063 | Iustin Pop | |
216 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
217 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
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218 | a8083063 | Iustin Pop |
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219 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
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220 | a8083063 | Iustin Pop | containing the environment that will be used for running the
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221 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
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222 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
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223 | a8083063 | Iustin Pop | the hook should run after the execution.
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224 | a8083063 | Iustin Pop |
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225 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
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226 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
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227 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
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228 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
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229 | a8083063 | Iustin Pop |
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230 | 8a3fe350 | Guido Trotter | No nodes should be returned as an empty list (and not None).
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231 | a8083063 | Iustin Pop |
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232 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
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233 | a8083063 | Iustin Pop | not be called.
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234 | a8083063 | Iustin Pop |
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235 | a8083063 | Iustin Pop | """
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236 | a8083063 | Iustin Pop | raise NotImplementedError |
237 | a8083063 | Iustin Pop | |
238 | 1fce5219 | Guido Trotter | def HooksCallBack(self, phase, hook_results, feedback_fn, lu_result): |
239 | 1fce5219 | Guido Trotter | """Notify the LU about the results of its hooks.
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240 | 1fce5219 | Guido Trotter |
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241 | 1fce5219 | Guido Trotter | This method is called every time a hooks phase is executed, and notifies
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242 | 1fce5219 | Guido Trotter | the Logical Unit about the hooks' result. The LU can then use it to alter
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243 | 1fce5219 | Guido Trotter | its result based on the hooks. By default the method does nothing and the
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244 | 1fce5219 | Guido Trotter | previous result is passed back unchanged but any LU can define it if it
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245 | 1fce5219 | Guido Trotter | wants to use the local cluster hook-scripts somehow.
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246 | 1fce5219 | Guido Trotter |
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247 | e4376078 | Iustin Pop | @param phase: one of L{constants.HOOKS_PHASE_POST} or
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248 | e4376078 | Iustin Pop | L{constants.HOOKS_PHASE_PRE}; it denotes the hooks phase
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249 | e4376078 | Iustin Pop | @param hook_results: the results of the multi-node hooks rpc call
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250 | e4376078 | Iustin Pop | @param feedback_fn: function used send feedback back to the caller
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251 | e4376078 | Iustin Pop | @param lu_result: the previous Exec result this LU had, or None
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252 | e4376078 | Iustin Pop | in the PRE phase
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253 | e4376078 | Iustin Pop | @return: the new Exec result, based on the previous result
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254 | e4376078 | Iustin Pop | and hook results
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255 | 1fce5219 | Guido Trotter |
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256 | 1fce5219 | Guido Trotter | """
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257 | 1fce5219 | Guido Trotter | return lu_result
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258 | 1fce5219 | Guido Trotter | |
259 | 43905206 | Guido Trotter | def _ExpandAndLockInstance(self): |
260 | 43905206 | Guido Trotter | """Helper function to expand and lock an instance.
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261 | 43905206 | Guido Trotter |
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262 | 43905206 | Guido Trotter | Many LUs that work on an instance take its name in self.op.instance_name
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263 | 43905206 | Guido Trotter | and need to expand it and then declare the expanded name for locking. This
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264 | 43905206 | Guido Trotter | function does it, and then updates self.op.instance_name to the expanded
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265 | 43905206 | Guido Trotter | name. It also initializes needed_locks as a dict, if this hasn't been done
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266 | 43905206 | Guido Trotter | before.
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267 | 43905206 | Guido Trotter |
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268 | 43905206 | Guido Trotter | """
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269 | 43905206 | Guido Trotter | if self.needed_locks is None: |
270 | 43905206 | Guido Trotter | self.needed_locks = {}
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271 | 43905206 | Guido Trotter | else:
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272 | 43905206 | Guido Trotter | assert locking.LEVEL_INSTANCE not in self.needed_locks, \ |
273 | 43905206 | Guido Trotter | "_ExpandAndLockInstance called with instance-level locks set"
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274 | 43905206 | Guido Trotter | expanded_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
275 | 43905206 | Guido Trotter | if expanded_name is None: |
276 | 43905206 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
277 | 43905206 | Guido Trotter | self.op.instance_name)
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278 | 43905206 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = expanded_name
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279 | 43905206 | Guido Trotter | self.op.instance_name = expanded_name
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280 | 43905206 | Guido Trotter | |
281 | a82ce292 | Guido Trotter | def _LockInstancesNodes(self, primary_only=False): |
282 | c4a2fee1 | Guido Trotter | """Helper function to declare instances' nodes for locking.
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283 | c4a2fee1 | Guido Trotter |
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284 | c4a2fee1 | Guido Trotter | This function should be called after locking one or more instances to lock
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285 | c4a2fee1 | Guido Trotter | their nodes. Its effect is populating self.needed_locks[locking.LEVEL_NODE]
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286 | c4a2fee1 | Guido Trotter | with all primary or secondary nodes for instances already locked and
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287 | c4a2fee1 | Guido Trotter | present in self.needed_locks[locking.LEVEL_INSTANCE].
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288 | c4a2fee1 | Guido Trotter |
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289 | c4a2fee1 | Guido Trotter | It should be called from DeclareLocks, and for safety only works if
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290 | c4a2fee1 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] is set.
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291 | c4a2fee1 | Guido Trotter |
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292 | c4a2fee1 | Guido Trotter | In the future it may grow parameters to just lock some instance's nodes, or
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293 | c4a2fee1 | Guido Trotter | to just lock primaries or secondary nodes, if needed.
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294 | c4a2fee1 | Guido Trotter |
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295 | e4376078 | Iustin Pop | If should be called in DeclareLocks in a way similar to::
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296 | c4a2fee1 | Guido Trotter |
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297 | e4376078 | Iustin Pop | if level == locking.LEVEL_NODE:
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298 | e4376078 | Iustin Pop | self._LockInstancesNodes()
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299 | c4a2fee1 | Guido Trotter |
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300 | a82ce292 | Guido Trotter | @type primary_only: boolean
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301 | a82ce292 | Guido Trotter | @param primary_only: only lock primary nodes of locked instances
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302 | a82ce292 | Guido Trotter |
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303 | c4a2fee1 | Guido Trotter | """
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304 | c4a2fee1 | Guido Trotter | assert locking.LEVEL_NODE in self.recalculate_locks, \ |
305 | c4a2fee1 | Guido Trotter | "_LockInstancesNodes helper function called with no nodes to recalculate"
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306 | c4a2fee1 | Guido Trotter | |
307 | c4a2fee1 | Guido Trotter | # TODO: check if we're really been called with the instance locks held
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308 | c4a2fee1 | Guido Trotter | |
309 | c4a2fee1 | Guido Trotter | # For now we'll replace self.needed_locks[locking.LEVEL_NODE], but in the
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310 | c4a2fee1 | Guido Trotter | # future we might want to have different behaviors depending on the value
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311 | c4a2fee1 | Guido Trotter | # of self.recalculate_locks[locking.LEVEL_NODE]
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312 | c4a2fee1 | Guido Trotter | wanted_nodes = [] |
313 | 6683bba2 | Guido Trotter | for instance_name in self.acquired_locks[locking.LEVEL_INSTANCE]: |
314 | c4a2fee1 | Guido Trotter | instance = self.context.cfg.GetInstanceInfo(instance_name)
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315 | c4a2fee1 | Guido Trotter | wanted_nodes.append(instance.primary_node) |
316 | a82ce292 | Guido Trotter | if not primary_only: |
317 | a82ce292 | Guido Trotter | wanted_nodes.extend(instance.secondary_nodes) |
318 | 9513b6ab | Guido Trotter | |
319 | 9513b6ab | Guido Trotter | if self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_REPLACE: |
320 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = wanted_nodes
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321 | 9513b6ab | Guido Trotter | elif self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_APPEND: |
322 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].extend(wanted_nodes)
|
323 | c4a2fee1 | Guido Trotter | |
324 | c4a2fee1 | Guido Trotter | del self.recalculate_locks[locking.LEVEL_NODE] |
325 | c4a2fee1 | Guido Trotter | |
326 | a8083063 | Iustin Pop | |
327 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
328 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
|
329 | a8083063 | Iustin Pop |
|
330 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
|
331 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
|
332 | a8083063 | Iustin Pop |
|
333 | a8083063 | Iustin Pop | """
|
334 | a8083063 | Iustin Pop | HPATH = None
|
335 | a8083063 | Iustin Pop | HTYPE = None
|
336 | a8083063 | Iustin Pop | |
337 | a8083063 | Iustin Pop | |
338 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
339 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
|
340 | 83120a01 | Michael Hanselmann |
|
341 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
342 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
343 | e4376078 | Iustin Pop | @type nodes: list
|
344 | e4376078 | Iustin Pop | @param nodes: list of node names or None for all nodes
|
345 | e4376078 | Iustin Pop | @rtype: list
|
346 | e4376078 | Iustin Pop | @return: the list of nodes, sorted
|
347 | e4376078 | Iustin Pop | @raise errors.OpProgrammerError: if the nodes parameter is wrong type
|
348 | 83120a01 | Michael Hanselmann |
|
349 | 83120a01 | Michael Hanselmann | """
|
350 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
351 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
352 | dcb93971 | Michael Hanselmann | |
353 | ea47808a | Guido Trotter | if not nodes: |
354 | ea47808a | Guido Trotter | raise errors.ProgrammerError("_GetWantedNodes should only be called with a" |
355 | ea47808a | Guido Trotter | " non-empty list of nodes whose name is to be expanded.")
|
356 | dcb93971 | Michael Hanselmann | |
357 | ea47808a | Guido Trotter | wanted = [] |
358 | ea47808a | Guido Trotter | for name in nodes: |
359 | ea47808a | Guido Trotter | node = lu.cfg.ExpandNodeName(name) |
360 | ea47808a | Guido Trotter | if node is None: |
361 | ea47808a | Guido Trotter | raise errors.OpPrereqError("No such node name '%s'" % name) |
362 | ea47808a | Guido Trotter | wanted.append(node) |
363 | dcb93971 | Michael Hanselmann | |
364 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
365 | 3312b702 | Iustin Pop | |
366 | 3312b702 | Iustin Pop | |
367 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
368 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
|
369 | 3312b702 | Iustin Pop |
|
370 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
371 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
372 | e4376078 | Iustin Pop | @type instances: list
|
373 | e4376078 | Iustin Pop | @param instances: list of instance names or None for all instances
|
374 | e4376078 | Iustin Pop | @rtype: list
|
375 | e4376078 | Iustin Pop | @return: the list of instances, sorted
|
376 | e4376078 | Iustin Pop | @raise errors.OpPrereqError: if the instances parameter is wrong type
|
377 | e4376078 | Iustin Pop | @raise errors.OpPrereqError: if any of the passed instances is not found
|
378 | 3312b702 | Iustin Pop |
|
379 | 3312b702 | Iustin Pop | """
|
380 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
381 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
382 | 3312b702 | Iustin Pop | |
383 | 3312b702 | Iustin Pop | if instances:
|
384 | 3312b702 | Iustin Pop | wanted = [] |
385 | 3312b702 | Iustin Pop | |
386 | 3312b702 | Iustin Pop | for name in instances: |
387 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
388 | 3312b702 | Iustin Pop | if instance is None: |
389 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
390 | 3312b702 | Iustin Pop | wanted.append(instance) |
391 | 3312b702 | Iustin Pop | |
392 | 3312b702 | Iustin Pop | else:
|
393 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetInstanceList() |
394 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
395 | dcb93971 | Michael Hanselmann | |
396 | dcb93971 | Michael Hanselmann | |
397 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
398 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
|
399 | 83120a01 | Michael Hanselmann |
|
400 | a2d2e1a7 | Iustin Pop | @type static: L{utils.FieldSet}
|
401 | 31bf511f | Iustin Pop | @param static: static fields set
|
402 | a2d2e1a7 | Iustin Pop | @type dynamic: L{utils.FieldSet}
|
403 | 31bf511f | Iustin Pop | @param dynamic: dynamic fields set
|
404 | 83120a01 | Michael Hanselmann |
|
405 | 83120a01 | Michael Hanselmann | """
|
406 | a2d2e1a7 | Iustin Pop | f = utils.FieldSet() |
407 | 31bf511f | Iustin Pop | f.Extend(static) |
408 | 31bf511f | Iustin Pop | f.Extend(dynamic) |
409 | dcb93971 | Michael Hanselmann | |
410 | 31bf511f | Iustin Pop | delta = f.NonMatching(selected) |
411 | 31bf511f | Iustin Pop | if delta:
|
412 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
413 | 31bf511f | Iustin Pop | % ",".join(delta))
|
414 | dcb93971 | Michael Hanselmann | |
415 | dcb93971 | Michael Hanselmann | |
416 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
417 | 396e1b78 | Michael Hanselmann | memory, vcpus, nics): |
418 | e4376078 | Iustin Pop | """Builds instance related env variables for hooks
|
419 | e4376078 | Iustin Pop |
|
420 | e4376078 | Iustin Pop | This builds the hook environment from individual variables.
|
421 | e4376078 | Iustin Pop |
|
422 | e4376078 | Iustin Pop | @type name: string
|
423 | e4376078 | Iustin Pop | @param name: the name of the instance
|
424 | e4376078 | Iustin Pop | @type primary_node: string
|
425 | e4376078 | Iustin Pop | @param primary_node: the name of the instance's primary node
|
426 | e4376078 | Iustin Pop | @type secondary_nodes: list
|
427 | e4376078 | Iustin Pop | @param secondary_nodes: list of secondary nodes as strings
|
428 | e4376078 | Iustin Pop | @type os_type: string
|
429 | e4376078 | Iustin Pop | @param os_type: the name of the instance's OS
|
430 | e4376078 | Iustin Pop | @type status: string
|
431 | e4376078 | Iustin Pop | @param status: the desired status of the instances
|
432 | e4376078 | Iustin Pop | @type memory: string
|
433 | e4376078 | Iustin Pop | @param memory: the memory size of the instance
|
434 | e4376078 | Iustin Pop | @type vcpus: string
|
435 | e4376078 | Iustin Pop | @param vcpus: the count of VCPUs the instance has
|
436 | e4376078 | Iustin Pop | @type nics: list
|
437 | e4376078 | Iustin Pop | @param nics: list of tuples (ip, bridge, mac) representing
|
438 | e4376078 | Iustin Pop | the NICs the instance has
|
439 | e4376078 | Iustin Pop | @rtype: dict
|
440 | e4376078 | Iustin Pop | @return: the hook environment for this instance
|
441 | ecb215b5 | Michael Hanselmann |
|
442 | 396e1b78 | Michael Hanselmann | """
|
443 | 396e1b78 | Michael Hanselmann | env = { |
444 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
|
445 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
|
446 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
|
447 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
448 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
|
449 | 396e1b78 | Michael Hanselmann | "INSTANCE_STATUS": status,
|
450 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
|
451 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
|
452 | 396e1b78 | Michael Hanselmann | } |
453 | 396e1b78 | Michael Hanselmann | |
454 | 396e1b78 | Michael Hanselmann | if nics:
|
455 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
|
456 | 53e4e875 | Guido Trotter | for idx, (ip, bridge, mac) in enumerate(nics): |
457 | 396e1b78 | Michael Hanselmann | if ip is None: |
458 | 396e1b78 | Michael Hanselmann | ip = ""
|
459 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
|
460 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_BRIDGE" % idx] = bridge
|
461 | 53e4e875 | Guido Trotter | env["INSTANCE_NIC%d_HWADDR" % idx] = mac
|
462 | 396e1b78 | Michael Hanselmann | else:
|
463 | 396e1b78 | Michael Hanselmann | nic_count = 0
|
464 | 396e1b78 | Michael Hanselmann | |
465 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
|
466 | 396e1b78 | Michael Hanselmann | |
467 | 396e1b78 | Michael Hanselmann | return env
|
468 | 396e1b78 | Michael Hanselmann | |
469 | 396e1b78 | Michael Hanselmann | |
470 | 338e51e8 | Iustin Pop | def _BuildInstanceHookEnvByObject(lu, instance, override=None): |
471 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
|
472 | ecb215b5 | Michael Hanselmann |
|
473 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
474 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
475 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
476 | e4376078 | Iustin Pop | @param instance: the instance for which we should build the
|
477 | e4376078 | Iustin Pop | environment
|
478 | e4376078 | Iustin Pop | @type override: dict
|
479 | e4376078 | Iustin Pop | @param override: dictionary with key/values that will override
|
480 | e4376078 | Iustin Pop | our values
|
481 | e4376078 | Iustin Pop | @rtype: dict
|
482 | e4376078 | Iustin Pop | @return: the hook environment dictionary
|
483 | e4376078 | Iustin Pop |
|
484 | ecb215b5 | Michael Hanselmann | """
|
485 | 338e51e8 | Iustin Pop | bep = lu.cfg.GetClusterInfo().FillBE(instance) |
486 | 396e1b78 | Michael Hanselmann | args = { |
487 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
|
488 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
|
489 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
|
490 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
|
491 | 396e1b78 | Michael Hanselmann | 'status': instance.os,
|
492 | 338e51e8 | Iustin Pop | 'memory': bep[constants.BE_MEMORY],
|
493 | 338e51e8 | Iustin Pop | 'vcpus': bep[constants.BE_VCPUS],
|
494 | 53e4e875 | Guido Trotter | 'nics': [(nic.ip, nic.bridge, nic.mac) for nic in instance.nics], |
495 | 396e1b78 | Michael Hanselmann | } |
496 | 396e1b78 | Michael Hanselmann | if override:
|
497 | 396e1b78 | Michael Hanselmann | args.update(override) |
498 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
|
499 | 396e1b78 | Michael Hanselmann | |
500 | 396e1b78 | Michael Hanselmann | |
501 | b9bddb6b | Iustin Pop | def _CheckInstanceBridgesExist(lu, instance): |
502 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
503 | bf6929a2 | Alexander Schreiber |
|
504 | bf6929a2 | Alexander Schreiber | """
|
505 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
506 | bf6929a2 | Alexander Schreiber | brlist = [nic.bridge for nic in instance.nics] |
507 | 72737a7f | Iustin Pop | if not lu.rpc.call_bridges_exist(instance.primary_node, brlist): |
508 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("one or more target bridges %s does not" |
509 | bf6929a2 | Alexander Schreiber | " exist on destination node '%s'" %
|
510 | bf6929a2 | Alexander Schreiber | (brlist, instance.primary_node)) |
511 | bf6929a2 | Alexander Schreiber | |
512 | bf6929a2 | Alexander Schreiber | |
513 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
514 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
515 | a8083063 | Iustin Pop |
|
516 | a8083063 | Iustin Pop | """
|
517 | a8083063 | Iustin Pop | _OP_REQP = [] |
518 | a8083063 | Iustin Pop | |
519 | a8083063 | Iustin Pop | def CheckPrereq(self): |
520 | a8083063 | Iustin Pop | """Check prerequisites.
|
521 | a8083063 | Iustin Pop |
|
522 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
523 | a8083063 | Iustin Pop |
|
524 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
525 | a8083063 | Iustin Pop |
|
526 | a8083063 | Iustin Pop | """
|
527 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
528 | a8083063 | Iustin Pop | |
529 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
530 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
531 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
532 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
533 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
534 | db915bd1 | Michael Hanselmann | if instancelist:
|
535 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
536 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
537 | a8083063 | Iustin Pop | |
538 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
539 | a8083063 | Iustin Pop | """Destroys the cluster.
|
540 | a8083063 | Iustin Pop |
|
541 | a8083063 | Iustin Pop | """
|
542 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
543 | 72737a7f | Iustin Pop | if not self.rpc.call_node_stop_master(master, False): |
544 | c9064964 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
545 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
546 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(priv_key) |
547 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(pub_key) |
548 | 140aa4a8 | Iustin Pop | return master
|
549 | a8083063 | Iustin Pop | |
550 | a8083063 | Iustin Pop | |
551 | d8fff41c | Guido Trotter | class LUVerifyCluster(LogicalUnit): |
552 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
553 | a8083063 | Iustin Pop |
|
554 | a8083063 | Iustin Pop | """
|
555 | d8fff41c | Guido Trotter | HPATH = "cluster-verify"
|
556 | d8fff41c | Guido Trotter | HTYPE = constants.HTYPE_CLUSTER |
557 | e54c4c5e | Guido Trotter | _OP_REQP = ["skip_checks"]
|
558 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
559 | d4b9d97f | Guido Trotter | |
560 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
561 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
562 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
563 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
564 | d4b9d97f | Guido Trotter | } |
565 | d4b9d97f | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
566 | a8083063 | Iustin Pop | |
567 | a8083063 | Iustin Pop | def _VerifyNode(self, node, file_list, local_cksum, vglist, node_result, |
568 | a8083063 | Iustin Pop | remote_version, feedback_fn): |
569 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
570 | a8083063 | Iustin Pop |
|
571 | e4376078 | Iustin Pop | Test list::
|
572 | e4376078 | Iustin Pop |
|
573 | a8083063 | Iustin Pop | - compares ganeti version
|
574 | a8083063 | Iustin Pop | - checks vg existance and size > 20G
|
575 | a8083063 | Iustin Pop | - checks config file checksum
|
576 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
577 | a8083063 | Iustin Pop |
|
578 | e4376078 | Iustin Pop | @type node: string
|
579 | e4376078 | Iustin Pop | @param node: the name of the node to check
|
580 | e4376078 | Iustin Pop | @param file_list: required list of files
|
581 | e4376078 | Iustin Pop | @param local_cksum: dictionary of local files and their checksums
|
582 | e4376078 | Iustin Pop | @type vglist: dict
|
583 | e4376078 | Iustin Pop | @param vglist: dictionary of volume group names and their size
|
584 | e4376078 | Iustin Pop | @param node_result: the results from the node
|
585 | e4376078 | Iustin Pop | @param remote_version: the RPC version from the remote node
|
586 | e4376078 | Iustin Pop | @param feedback_fn: function used to accumulate results
|
587 | 098c0958 | Michael Hanselmann |
|
588 | a8083063 | Iustin Pop | """
|
589 | a8083063 | Iustin Pop | # compares ganeti version
|
590 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
591 | a8083063 | Iustin Pop | if not remote_version: |
592 | c840ae6f | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
593 | a8083063 | Iustin Pop | return True |
594 | a8083063 | Iustin Pop | |
595 | a8083063 | Iustin Pop | if local_version != remote_version:
|
596 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
|
597 | a8083063 | Iustin Pop | (local_version, node, remote_version)) |
598 | a8083063 | Iustin Pop | return True |
599 | a8083063 | Iustin Pop | |
600 | a8083063 | Iustin Pop | # checks vg existance and size > 20G
|
601 | a8083063 | Iustin Pop | |
602 | a8083063 | Iustin Pop | bad = False
|
603 | a8083063 | Iustin Pop | if not vglist: |
604 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
605 | a8083063 | Iustin Pop | (node,)) |
606 | a8083063 | Iustin Pop | bad = True
|
607 | a8083063 | Iustin Pop | else:
|
608 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist, self.cfg.GetVGName(),
|
609 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
610 | a8083063 | Iustin Pop | if vgstatus:
|
611 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
612 | a8083063 | Iustin Pop | bad = True
|
613 | a8083063 | Iustin Pop | |
614 | 2eb78bc8 | Guido Trotter | if not node_result: |
615 | 2eb78bc8 | Guido Trotter | feedback_fn(" - ERROR: unable to verify node %s." % (node,))
|
616 | 2eb78bc8 | Guido Trotter | return True |
617 | 2eb78bc8 | Guido Trotter | |
618 | a8083063 | Iustin Pop | # checks config file checksum
|
619 | a8083063 | Iustin Pop | # checks ssh to any
|
620 | a8083063 | Iustin Pop | |
621 | a8083063 | Iustin Pop | if 'filelist' not in node_result: |
622 | a8083063 | Iustin Pop | bad = True
|
623 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
624 | a8083063 | Iustin Pop | else:
|
625 | a8083063 | Iustin Pop | remote_cksum = node_result['filelist']
|
626 | a8083063 | Iustin Pop | for file_name in file_list: |
627 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
628 | a8083063 | Iustin Pop | bad = True
|
629 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
630 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
631 | a8083063 | Iustin Pop | bad = True
|
632 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
633 | a8083063 | Iustin Pop | |
634 | a8083063 | Iustin Pop | if 'nodelist' not in node_result: |
635 | a8083063 | Iustin Pop | bad = True
|
636 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node ssh connectivity data")
|
637 | a8083063 | Iustin Pop | else:
|
638 | a8083063 | Iustin Pop | if node_result['nodelist']: |
639 | a8083063 | Iustin Pop | bad = True
|
640 | a8083063 | Iustin Pop | for node in node_result['nodelist']: |
641 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: ssh communication with node '%s': %s" %
|
642 | a8083063 | Iustin Pop | (node, node_result['nodelist'][node]))
|
643 | 9d4bfc96 | Iustin Pop | if 'node-net-test' not in node_result: |
644 | 9d4bfc96 | Iustin Pop | bad = True
|
645 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node tcp connectivity data")
|
646 | 9d4bfc96 | Iustin Pop | else:
|
647 | 9d4bfc96 | Iustin Pop | if node_result['node-net-test']: |
648 | 9d4bfc96 | Iustin Pop | bad = True
|
649 | 9d4bfc96 | Iustin Pop | nlist = utils.NiceSort(node_result['node-net-test'].keys())
|
650 | 9d4bfc96 | Iustin Pop | for node in nlist: |
651 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: tcp communication with node '%s': %s" %
|
652 | 9d4bfc96 | Iustin Pop | (node, node_result['node-net-test'][node]))
|
653 | 9d4bfc96 | Iustin Pop | |
654 | a8083063 | Iustin Pop | hyp_result = node_result.get('hypervisor', None) |
655 | e69d05fd | Iustin Pop | if isinstance(hyp_result, dict): |
656 | e69d05fd | Iustin Pop | for hv_name, hv_result in hyp_result.iteritems(): |
657 | e69d05fd | Iustin Pop | if hv_result is not None: |
658 | e69d05fd | Iustin Pop | feedback_fn(" - ERROR: hypervisor %s verify failure: '%s'" %
|
659 | e69d05fd | Iustin Pop | (hv_name, hv_result)) |
660 | a8083063 | Iustin Pop | return bad
|
661 | a8083063 | Iustin Pop | |
662 | c5705f58 | Guido Trotter | def _VerifyInstance(self, instance, instanceconfig, node_vol_is, |
663 | c5705f58 | Guido Trotter | node_instance, feedback_fn): |
664 | a8083063 | Iustin Pop | """Verify an instance.
|
665 | a8083063 | Iustin Pop |
|
666 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
667 | a8083063 | Iustin Pop | available on the instance's node.
|
668 | a8083063 | Iustin Pop |
|
669 | a8083063 | Iustin Pop | """
|
670 | a8083063 | Iustin Pop | bad = False
|
671 | a8083063 | Iustin Pop | |
672 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
673 | a8083063 | Iustin Pop | |
674 | a8083063 | Iustin Pop | node_vol_should = {} |
675 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
676 | a8083063 | Iustin Pop | |
677 | a8083063 | Iustin Pop | for node in node_vol_should: |
678 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
679 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
680 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
681 | a8083063 | Iustin Pop | (volume, node)) |
682 | a8083063 | Iustin Pop | bad = True
|
683 | a8083063 | Iustin Pop | |
684 | a8083063 | Iustin Pop | if not instanceconfig.status == 'down': |
685 | a872dae6 | Guido Trotter | if (node_current not in node_instance or |
686 | a872dae6 | Guido Trotter | not instance in node_instance[node_current]): |
687 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
688 | a8083063 | Iustin Pop | (instance, node_current)) |
689 | a8083063 | Iustin Pop | bad = True
|
690 | a8083063 | Iustin Pop | |
691 | a8083063 | Iustin Pop | for node in node_instance: |
692 | a8083063 | Iustin Pop | if (not node == node_current): |
693 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
694 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
695 | a8083063 | Iustin Pop | (instance, node)) |
696 | a8083063 | Iustin Pop | bad = True
|
697 | a8083063 | Iustin Pop | |
698 | 6a438c98 | Michael Hanselmann | return bad
|
699 | a8083063 | Iustin Pop | |
700 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
701 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
702 | a8083063 | Iustin Pop |
|
703 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
704 | a8083063 | Iustin Pop | reported as unknown.
|
705 | a8083063 | Iustin Pop |
|
706 | a8083063 | Iustin Pop | """
|
707 | a8083063 | Iustin Pop | bad = False
|
708 | a8083063 | Iustin Pop | |
709 | a8083063 | Iustin Pop | for node in node_vol_is: |
710 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
711 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
712 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
713 | a8083063 | Iustin Pop | (volume, node)) |
714 | a8083063 | Iustin Pop | bad = True
|
715 | a8083063 | Iustin Pop | return bad
|
716 | a8083063 | Iustin Pop | |
717 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
718 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
719 | a8083063 | Iustin Pop |
|
720 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
721 | a8083063 | Iustin Pop |
|
722 | a8083063 | Iustin Pop | """
|
723 | a8083063 | Iustin Pop | bad = False
|
724 | a8083063 | Iustin Pop | for node in node_instance: |
725 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
726 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
727 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
728 | a8083063 | Iustin Pop | (runninginstance, node)) |
729 | a8083063 | Iustin Pop | bad = True
|
730 | a8083063 | Iustin Pop | return bad
|
731 | a8083063 | Iustin Pop | |
732 | 2b3b6ddd | Guido Trotter | def _VerifyNPlusOneMemory(self, node_info, instance_cfg, feedback_fn): |
733 | 2b3b6ddd | Guido Trotter | """Verify N+1 Memory Resilience.
|
734 | 2b3b6ddd | Guido Trotter |
|
735 | 2b3b6ddd | Guido Trotter | Check that if one single node dies we can still start all the instances it
|
736 | 2b3b6ddd | Guido Trotter | was primary for.
|
737 | 2b3b6ddd | Guido Trotter |
|
738 | 2b3b6ddd | Guido Trotter | """
|
739 | 2b3b6ddd | Guido Trotter | bad = False
|
740 | 2b3b6ddd | Guido Trotter | |
741 | 2b3b6ddd | Guido Trotter | for node, nodeinfo in node_info.iteritems(): |
742 | 2b3b6ddd | Guido Trotter | # This code checks that every node which is now listed as secondary has
|
743 | 2b3b6ddd | Guido Trotter | # enough memory to host all instances it is supposed to should a single
|
744 | 2b3b6ddd | Guido Trotter | # other node in the cluster fail.
|
745 | 2b3b6ddd | Guido Trotter | # FIXME: not ready for failover to an arbitrary node
|
746 | 2b3b6ddd | Guido Trotter | # FIXME: does not support file-backed instances
|
747 | 2b3b6ddd | Guido Trotter | # WARNING: we currently take into account down instances as well as up
|
748 | 2b3b6ddd | Guido Trotter | # ones, considering that even if they're down someone might want to start
|
749 | 2b3b6ddd | Guido Trotter | # them even in the event of a node failure.
|
750 | 2b3b6ddd | Guido Trotter | for prinode, instances in nodeinfo['sinst-by-pnode'].iteritems(): |
751 | 2b3b6ddd | Guido Trotter | needed_mem = 0
|
752 | 2b3b6ddd | Guido Trotter | for instance in instances: |
753 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance_cfg[instance])
|
754 | c0f2b229 | Iustin Pop | if bep[constants.BE_AUTO_BALANCE]:
|
755 | 3924700f | Iustin Pop | needed_mem += bep[constants.BE_MEMORY] |
756 | 2b3b6ddd | Guido Trotter | if nodeinfo['mfree'] < needed_mem: |
757 | 2b3b6ddd | Guido Trotter | feedback_fn(" - ERROR: not enough memory on node %s to accomodate"
|
758 | 2b3b6ddd | Guido Trotter | " failovers should node %s fail" % (node, prinode))
|
759 | 2b3b6ddd | Guido Trotter | bad = True
|
760 | 2b3b6ddd | Guido Trotter | return bad
|
761 | 2b3b6ddd | Guido Trotter | |
762 | a8083063 | Iustin Pop | def CheckPrereq(self): |
763 | a8083063 | Iustin Pop | """Check prerequisites.
|
764 | a8083063 | Iustin Pop |
|
765 | e54c4c5e | Guido Trotter | Transform the list of checks we're going to skip into a set and check that
|
766 | e54c4c5e | Guido Trotter | all its members are valid.
|
767 | a8083063 | Iustin Pop |
|
768 | a8083063 | Iustin Pop | """
|
769 | e54c4c5e | Guido Trotter | self.skip_set = frozenset(self.op.skip_checks) |
770 | e54c4c5e | Guido Trotter | if not constants.VERIFY_OPTIONAL_CHECKS.issuperset(self.skip_set): |
771 | e54c4c5e | Guido Trotter | raise errors.OpPrereqError("Invalid checks to be skipped specified") |
772 | a8083063 | Iustin Pop | |
773 | d8fff41c | Guido Trotter | def BuildHooksEnv(self): |
774 | d8fff41c | Guido Trotter | """Build hooks env.
|
775 | d8fff41c | Guido Trotter |
|
776 | d8fff41c | Guido Trotter | Cluster-Verify hooks just rone in the post phase and their failure makes
|
777 | d8fff41c | Guido Trotter | the output be logged in the verify output and the verification to fail.
|
778 | d8fff41c | Guido Trotter |
|
779 | d8fff41c | Guido Trotter | """
|
780 | d8fff41c | Guido Trotter | all_nodes = self.cfg.GetNodeList()
|
781 | d8fff41c | Guido Trotter | # TODO: populate the environment with useful information for verify hooks
|
782 | d8fff41c | Guido Trotter | env = {} |
783 | d8fff41c | Guido Trotter | return env, [], all_nodes
|
784 | d8fff41c | Guido Trotter | |
785 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
786 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
787 | a8083063 | Iustin Pop |
|
788 | a8083063 | Iustin Pop | """
|
789 | a8083063 | Iustin Pop | bad = False
|
790 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
791 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
792 | 8522ceeb | Iustin Pop | feedback_fn(" - ERROR: %s" % msg)
|
793 | a8083063 | Iustin Pop | |
794 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
795 | e69d05fd | Iustin Pop | hypervisors = self.cfg.GetClusterInfo().enabled_hypervisors
|
796 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
797 | 9d4bfc96 | Iustin Pop | nodeinfo = [self.cfg.GetNodeInfo(nname) for nname in nodelist] |
798 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
799 | 93e4c50b | Guido Trotter | i_non_redundant = [] # Non redundant instances
|
800 | 3924700f | Iustin Pop | i_non_a_balanced = [] # Non auto-balanced instances
|
801 | a8083063 | Iustin Pop | node_volume = {} |
802 | a8083063 | Iustin Pop | node_instance = {} |
803 | 9c9c7d30 | Guido Trotter | node_info = {} |
804 | 26b6af5e | Guido Trotter | instance_cfg = {} |
805 | a8083063 | Iustin Pop | |
806 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
807 | a8083063 | Iustin Pop | # do local checksums
|
808 | d6a02168 | Michael Hanselmann | file_names = [] |
809 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
810 | cb91d46e | Iustin Pop | file_names.append(constants.CLUSTER_CONF_FILE) |
811 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
812 | a8083063 | Iustin Pop | |
813 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
814 | 72737a7f | Iustin Pop | all_volumeinfo = self.rpc.call_volume_list(nodelist, vg_name)
|
815 | 72737a7f | Iustin Pop | all_instanceinfo = self.rpc.call_instance_list(nodelist, hypervisors)
|
816 | 72737a7f | Iustin Pop | all_vglist = self.rpc.call_vg_list(nodelist)
|
817 | a8083063 | Iustin Pop | node_verify_param = { |
818 | a8083063 | Iustin Pop | 'filelist': file_names,
|
819 | a8083063 | Iustin Pop | 'nodelist': nodelist,
|
820 | e69d05fd | Iustin Pop | 'hypervisor': hypervisors,
|
821 | 9d4bfc96 | Iustin Pop | 'node-net-test': [(node.name, node.primary_ip, node.secondary_ip)
|
822 | 9d4bfc96 | Iustin Pop | for node in nodeinfo] |
823 | a8083063 | Iustin Pop | } |
824 | 72737a7f | Iustin Pop | all_nvinfo = self.rpc.call_node_verify(nodelist, node_verify_param,
|
825 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
826 | 72737a7f | Iustin Pop | all_rversion = self.rpc.call_version(nodelist)
|
827 | 72737a7f | Iustin Pop | all_ninfo = self.rpc.call_node_info(nodelist, self.cfg.GetVGName(), |
828 | 72737a7f | Iustin Pop | self.cfg.GetHypervisorType())
|
829 | a8083063 | Iustin Pop | |
830 | 3924700f | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
831 | a8083063 | Iustin Pop | for node in nodelist: |
832 | a8083063 | Iustin Pop | feedback_fn("* Verifying node %s" % node)
|
833 | a8083063 | Iustin Pop | result = self._VerifyNode(node, file_names, local_checksums,
|
834 | a8083063 | Iustin Pop | all_vglist[node], all_nvinfo[node], |
835 | a8083063 | Iustin Pop | all_rversion[node], feedback_fn) |
836 | a8083063 | Iustin Pop | bad = bad or result
|
837 | a8083063 | Iustin Pop | |
838 | a8083063 | Iustin Pop | # node_volume
|
839 | a8083063 | Iustin Pop | volumeinfo = all_volumeinfo[node] |
840 | a8083063 | Iustin Pop | |
841 | b63ed789 | Iustin Pop | if isinstance(volumeinfo, basestring): |
842 | b63ed789 | Iustin Pop | feedback_fn(" - ERROR: LVM problem on node %s: %s" %
|
843 | b63ed789 | Iustin Pop | (node, volumeinfo[-400:].encode('string_escape'))) |
844 | b63ed789 | Iustin Pop | bad = True
|
845 | b63ed789 | Iustin Pop | node_volume[node] = {} |
846 | b63ed789 | Iustin Pop | elif not isinstance(volumeinfo, dict): |
847 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
848 | a8083063 | Iustin Pop | bad = True
|
849 | a8083063 | Iustin Pop | continue
|
850 | b63ed789 | Iustin Pop | else:
|
851 | b63ed789 | Iustin Pop | node_volume[node] = volumeinfo |
852 | a8083063 | Iustin Pop | |
853 | a8083063 | Iustin Pop | # node_instance
|
854 | a8083063 | Iustin Pop | nodeinstance = all_instanceinfo[node] |
855 | a8083063 | Iustin Pop | if type(nodeinstance) != list: |
856 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
857 | a8083063 | Iustin Pop | bad = True
|
858 | a8083063 | Iustin Pop | continue
|
859 | a8083063 | Iustin Pop | |
860 | a8083063 | Iustin Pop | node_instance[node] = nodeinstance |
861 | a8083063 | Iustin Pop | |
862 | 9c9c7d30 | Guido Trotter | # node_info
|
863 | 9c9c7d30 | Guido Trotter | nodeinfo = all_ninfo[node] |
864 | 9c9c7d30 | Guido Trotter | if not isinstance(nodeinfo, dict): |
865 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
866 | 9c9c7d30 | Guido Trotter | bad = True
|
867 | 9c9c7d30 | Guido Trotter | continue
|
868 | 9c9c7d30 | Guido Trotter | |
869 | 9c9c7d30 | Guido Trotter | try:
|
870 | 9c9c7d30 | Guido Trotter | node_info[node] = { |
871 | 9c9c7d30 | Guido Trotter | "mfree": int(nodeinfo['memory_free']), |
872 | 9c9c7d30 | Guido Trotter | "dfree": int(nodeinfo['vg_free']), |
873 | 93e4c50b | Guido Trotter | "pinst": [],
|
874 | 93e4c50b | Guido Trotter | "sinst": [],
|
875 | 36e7da50 | Guido Trotter | # dictionary holding all instances this node is secondary for,
|
876 | 36e7da50 | Guido Trotter | # grouped by their primary node. Each key is a cluster node, and each
|
877 | 36e7da50 | Guido Trotter | # value is a list of instances which have the key as primary and the
|
878 | 36e7da50 | Guido Trotter | # current node as secondary. this is handy to calculate N+1 memory
|
879 | 36e7da50 | Guido Trotter | # availability if you can only failover from a primary to its
|
880 | 36e7da50 | Guido Trotter | # secondary.
|
881 | 36e7da50 | Guido Trotter | "sinst-by-pnode": {},
|
882 | 9c9c7d30 | Guido Trotter | } |
883 | 9c9c7d30 | Guido Trotter | except ValueError: |
884 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: invalid value returned from node %s" % (node,))
|
885 | 9c9c7d30 | Guido Trotter | bad = True
|
886 | 9c9c7d30 | Guido Trotter | continue
|
887 | 9c9c7d30 | Guido Trotter | |
888 | a8083063 | Iustin Pop | node_vol_should = {} |
889 | a8083063 | Iustin Pop | |
890 | a8083063 | Iustin Pop | for instance in instancelist: |
891 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
892 | a8083063 | Iustin Pop | inst_config = self.cfg.GetInstanceInfo(instance)
|
893 | c5705f58 | Guido Trotter | result = self._VerifyInstance(instance, inst_config, node_volume,
|
894 | c5705f58 | Guido Trotter | node_instance, feedback_fn) |
895 | c5705f58 | Guido Trotter | bad = bad or result
|
896 | a8083063 | Iustin Pop | |
897 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
898 | a8083063 | Iustin Pop | |
899 | 26b6af5e | Guido Trotter | instance_cfg[instance] = inst_config |
900 | 26b6af5e | Guido Trotter | |
901 | 93e4c50b | Guido Trotter | pnode = inst_config.primary_node |
902 | 93e4c50b | Guido Trotter | if pnode in node_info: |
903 | 93e4c50b | Guido Trotter | node_info[pnode]['pinst'].append(instance)
|
904 | 93e4c50b | Guido Trotter | else:
|
905 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to primary node"
|
906 | 93e4c50b | Guido Trotter | " %s failed" % (instance, pnode))
|
907 | 93e4c50b | Guido Trotter | bad = True
|
908 | 93e4c50b | Guido Trotter | |
909 | 93e4c50b | Guido Trotter | # If the instance is non-redundant we cannot survive losing its primary
|
910 | 93e4c50b | Guido Trotter | # node, so we are not N+1 compliant. On the other hand we have no disk
|
911 | 93e4c50b | Guido Trotter | # templates with more than one secondary so that situation is not well
|
912 | 93e4c50b | Guido Trotter | # supported either.
|
913 | 93e4c50b | Guido Trotter | # FIXME: does not support file-backed instances
|
914 | 93e4c50b | Guido Trotter | if len(inst_config.secondary_nodes) == 0: |
915 | 93e4c50b | Guido Trotter | i_non_redundant.append(instance) |
916 | 93e4c50b | Guido Trotter | elif len(inst_config.secondary_nodes) > 1: |
917 | 93e4c50b | Guido Trotter | feedback_fn(" - WARNING: multiple secondaries for instance %s"
|
918 | 93e4c50b | Guido Trotter | % instance) |
919 | 93e4c50b | Guido Trotter | |
920 | c0f2b229 | Iustin Pop | if not cluster.FillBE(inst_config)[constants.BE_AUTO_BALANCE]: |
921 | 3924700f | Iustin Pop | i_non_a_balanced.append(instance) |
922 | 3924700f | Iustin Pop | |
923 | 93e4c50b | Guido Trotter | for snode in inst_config.secondary_nodes: |
924 | 93e4c50b | Guido Trotter | if snode in node_info: |
925 | 93e4c50b | Guido Trotter | node_info[snode]['sinst'].append(instance)
|
926 | 36e7da50 | Guido Trotter | if pnode not in node_info[snode]['sinst-by-pnode']: |
927 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode] = []
|
928 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode].append(instance)
|
929 | 93e4c50b | Guido Trotter | else:
|
930 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to secondary node"
|
931 | 93e4c50b | Guido Trotter | " %s failed" % (instance, snode))
|
932 | 93e4c50b | Guido Trotter | |
933 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
934 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
935 | a8083063 | Iustin Pop | feedback_fn) |
936 | a8083063 | Iustin Pop | bad = bad or result
|
937 | a8083063 | Iustin Pop | |
938 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
939 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
940 | a8083063 | Iustin Pop | feedback_fn) |
941 | a8083063 | Iustin Pop | bad = bad or result
|
942 | a8083063 | Iustin Pop | |
943 | e54c4c5e | Guido Trotter | if constants.VERIFY_NPLUSONE_MEM not in self.skip_set: |
944 | e54c4c5e | Guido Trotter | feedback_fn("* Verifying N+1 Memory redundancy")
|
945 | e54c4c5e | Guido Trotter | result = self._VerifyNPlusOneMemory(node_info, instance_cfg, feedback_fn)
|
946 | e54c4c5e | Guido Trotter | bad = bad or result
|
947 | 2b3b6ddd | Guido Trotter | |
948 | 2b3b6ddd | Guido Trotter | feedback_fn("* Other Notes")
|
949 | 2b3b6ddd | Guido Trotter | if i_non_redundant:
|
950 | 2b3b6ddd | Guido Trotter | feedback_fn(" - NOTICE: %d non-redundant instance(s) found."
|
951 | 2b3b6ddd | Guido Trotter | % len(i_non_redundant))
|
952 | 2b3b6ddd | Guido Trotter | |
953 | 3924700f | Iustin Pop | if i_non_a_balanced:
|
954 | 3924700f | Iustin Pop | feedback_fn(" - NOTICE: %d non-auto-balanced instance(s) found."
|
955 | 3924700f | Iustin Pop | % len(i_non_a_balanced))
|
956 | 3924700f | Iustin Pop | |
957 | 34290825 | Michael Hanselmann | return not bad |
958 | a8083063 | Iustin Pop | |
959 | d8fff41c | Guido Trotter | def HooksCallBack(self, phase, hooks_results, feedback_fn, lu_result): |
960 | e4376078 | Iustin Pop | """Analize the post-hooks' result
|
961 | e4376078 | Iustin Pop |
|
962 | e4376078 | Iustin Pop | This method analyses the hook result, handles it, and sends some
|
963 | d8fff41c | Guido Trotter | nicely-formatted feedback back to the user.
|
964 | d8fff41c | Guido Trotter |
|
965 | e4376078 | Iustin Pop | @param phase: one of L{constants.HOOKS_PHASE_POST} or
|
966 | e4376078 | Iustin Pop | L{constants.HOOKS_PHASE_PRE}; it denotes the hooks phase
|
967 | e4376078 | Iustin Pop | @param hooks_results: the results of the multi-node hooks rpc call
|
968 | e4376078 | Iustin Pop | @param feedback_fn: function used send feedback back to the caller
|
969 | e4376078 | Iustin Pop | @param lu_result: previous Exec result
|
970 | e4376078 | Iustin Pop | @return: the new Exec result, based on the previous result
|
971 | e4376078 | Iustin Pop | and hook results
|
972 | d8fff41c | Guido Trotter |
|
973 | d8fff41c | Guido Trotter | """
|
974 | 38206f3c | Iustin Pop | # We only really run POST phase hooks, and are only interested in
|
975 | 38206f3c | Iustin Pop | # their results
|
976 | d8fff41c | Guido Trotter | if phase == constants.HOOKS_PHASE_POST:
|
977 | d8fff41c | Guido Trotter | # Used to change hooks' output to proper indentation
|
978 | d8fff41c | Guido Trotter | indent_re = re.compile('^', re.M)
|
979 | d8fff41c | Guido Trotter | feedback_fn("* Hooks Results")
|
980 | d8fff41c | Guido Trotter | if not hooks_results: |
981 | d8fff41c | Guido Trotter | feedback_fn(" - ERROR: general communication failure")
|
982 | d8fff41c | Guido Trotter | lu_result = 1
|
983 | d8fff41c | Guido Trotter | else:
|
984 | d8fff41c | Guido Trotter | for node_name in hooks_results: |
985 | d8fff41c | Guido Trotter | show_node_header = True
|
986 | d8fff41c | Guido Trotter | res = hooks_results[node_name] |
987 | d8fff41c | Guido Trotter | if res is False or not isinstance(res, list): |
988 | d8fff41c | Guido Trotter | feedback_fn(" Communication failure")
|
989 | d8fff41c | Guido Trotter | lu_result = 1
|
990 | d8fff41c | Guido Trotter | continue
|
991 | d8fff41c | Guido Trotter | for script, hkr, output in res: |
992 | d8fff41c | Guido Trotter | if hkr == constants.HKR_FAIL:
|
993 | d8fff41c | Guido Trotter | # The node header is only shown once, if there are
|
994 | d8fff41c | Guido Trotter | # failing hooks on that node
|
995 | d8fff41c | Guido Trotter | if show_node_header:
|
996 | d8fff41c | Guido Trotter | feedback_fn(" Node %s:" % node_name)
|
997 | d8fff41c | Guido Trotter | show_node_header = False
|
998 | d8fff41c | Guido Trotter | feedback_fn(" ERROR: Script %s failed, output:" % script)
|
999 | d8fff41c | Guido Trotter | output = indent_re.sub(' ', output)
|
1000 | d8fff41c | Guido Trotter | feedback_fn("%s" % output)
|
1001 | d8fff41c | Guido Trotter | lu_result = 1
|
1002 | d8fff41c | Guido Trotter | |
1003 | d8fff41c | Guido Trotter | return lu_result
|
1004 | d8fff41c | Guido Trotter | |
1005 | a8083063 | Iustin Pop | |
1006 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
1007 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
1008 | 2c95a8d4 | Iustin Pop |
|
1009 | 2c95a8d4 | Iustin Pop | """
|
1010 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
1011 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
1012 | d4b9d97f | Guido Trotter | |
1013 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
1014 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
1015 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1016 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
1017 | d4b9d97f | Guido Trotter | } |
1018 | d4b9d97f | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
1019 | 2c95a8d4 | Iustin Pop | |
1020 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
1021 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
1022 | 2c95a8d4 | Iustin Pop |
|
1023 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
1024 | 2c95a8d4 | Iustin Pop |
|
1025 | 2c95a8d4 | Iustin Pop | """
|
1026 | 2c95a8d4 | Iustin Pop | pass
|
1027 | 2c95a8d4 | Iustin Pop | |
1028 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
1029 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
1030 | 2c95a8d4 | Iustin Pop |
|
1031 | 2c95a8d4 | Iustin Pop | """
|
1032 | b63ed789 | Iustin Pop | result = res_nodes, res_nlvm, res_instances, res_missing = [], {}, [], {} |
1033 | 2c95a8d4 | Iustin Pop | |
1034 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
1035 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
1036 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
1037 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
1038 | 2c95a8d4 | Iustin Pop | |
1039 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
1040 | 2c95a8d4 | Iustin Pop | for inst in instances: |
1041 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
1042 | 2c95a8d4 | Iustin Pop | if (inst.status != "up" or |
1043 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
1044 | 2c95a8d4 | Iustin Pop | continue
|
1045 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
1046 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
1047 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
1048 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
1049 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
1050 | 2c95a8d4 | Iustin Pop | |
1051 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
1052 | 2c95a8d4 | Iustin Pop | return result
|
1053 | 2c95a8d4 | Iustin Pop | |
1054 | 72737a7f | Iustin Pop | node_lvs = self.rpc.call_volume_list(nodes, vg_name)
|
1055 | 2c95a8d4 | Iustin Pop | |
1056 | 2c95a8d4 | Iustin Pop | to_act = set()
|
1057 | 2c95a8d4 | Iustin Pop | for node in nodes: |
1058 | 2c95a8d4 | Iustin Pop | # node_volume
|
1059 | 2c95a8d4 | Iustin Pop | lvs = node_lvs[node] |
1060 | 2c95a8d4 | Iustin Pop | |
1061 | b63ed789 | Iustin Pop | if isinstance(lvs, basestring): |
1062 | 9a4f63d1 | Iustin Pop | logging.warning("Error enumerating LVs on node %s: %s", node, lvs)
|
1063 | b63ed789 | Iustin Pop | res_nlvm[node] = lvs |
1064 | b63ed789 | Iustin Pop | elif not isinstance(lvs, dict): |
1065 | 9a4f63d1 | Iustin Pop | logging.warning("Connection to node %s failed or invalid data"
|
1066 | 9a4f63d1 | Iustin Pop | " returned", node)
|
1067 | 2c95a8d4 | Iustin Pop | res_nodes.append(node) |
1068 | 2c95a8d4 | Iustin Pop | continue
|
1069 | 2c95a8d4 | Iustin Pop | |
1070 | 2c95a8d4 | Iustin Pop | for lv_name, (_, lv_inactive, lv_online) in lvs.iteritems(): |
1071 | b63ed789 | Iustin Pop | inst = nv_dict.pop((node, lv_name), None)
|
1072 | b63ed789 | Iustin Pop | if (not lv_online and inst is not None |
1073 | b63ed789 | Iustin Pop | and inst.name not in res_instances): |
1074 | b08d5a87 | Iustin Pop | res_instances.append(inst.name) |
1075 | 2c95a8d4 | Iustin Pop | |
1076 | b63ed789 | Iustin Pop | # any leftover items in nv_dict are missing LVs, let's arrange the
|
1077 | b63ed789 | Iustin Pop | # data better
|
1078 | b63ed789 | Iustin Pop | for key, inst in nv_dict.iteritems(): |
1079 | b63ed789 | Iustin Pop | if inst.name not in res_missing: |
1080 | b63ed789 | Iustin Pop | res_missing[inst.name] = [] |
1081 | b63ed789 | Iustin Pop | res_missing[inst.name].append(key) |
1082 | b63ed789 | Iustin Pop | |
1083 | 2c95a8d4 | Iustin Pop | return result
|
1084 | 2c95a8d4 | Iustin Pop | |
1085 | 2c95a8d4 | Iustin Pop | |
1086 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
1087 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1088 | 07bd8a51 | Iustin Pop |
|
1089 | 07bd8a51 | Iustin Pop | """
|
1090 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
1091 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
1092 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
1093 | 07bd8a51 | Iustin Pop | |
1094 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
1095 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
1096 | 07bd8a51 | Iustin Pop |
|
1097 | 07bd8a51 | Iustin Pop | """
|
1098 | 07bd8a51 | Iustin Pop | env = { |
1099 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1100 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
1101 | 07bd8a51 | Iustin Pop | } |
1102 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1103 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
1104 | 07bd8a51 | Iustin Pop | |
1105 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
1106 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
1107 | 07bd8a51 | Iustin Pop |
|
1108 | 07bd8a51 | Iustin Pop | """
|
1109 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
1110 | 07bd8a51 | Iustin Pop | |
1111 | bcf043c9 | Iustin Pop | new_name = hostname.name |
1112 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
1113 | d6a02168 | Michael Hanselmann | old_name = self.cfg.GetClusterName()
|
1114 | d6a02168 | Michael Hanselmann | old_ip = self.cfg.GetMasterIP()
|
1115 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
1116 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
1117 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
1118 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
1119 | 937f983d | Guido Trotter | if utils.TcpPing(new_ip, constants.DEFAULT_NODED_PORT):
|
1120 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
1121 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
1122 | 07bd8a51 | Iustin Pop | new_ip) |
1123 | 07bd8a51 | Iustin Pop | |
1124 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
1125 | 07bd8a51 | Iustin Pop | |
1126 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
1127 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1128 | 07bd8a51 | Iustin Pop |
|
1129 | 07bd8a51 | Iustin Pop | """
|
1130 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
1131 | 07bd8a51 | Iustin Pop | ip = self.ip
|
1132 | 07bd8a51 | Iustin Pop | |
1133 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
1134 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
1135 | 72737a7f | Iustin Pop | if not self.rpc.call_node_stop_master(master, False): |
1136 | 07bd8a51 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
1137 | 07bd8a51 | Iustin Pop | |
1138 | 07bd8a51 | Iustin Pop | try:
|
1139 | 07bd8a51 | Iustin Pop | # modify the sstore
|
1140 | d6a02168 | Michael Hanselmann | # TODO: sstore
|
1141 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, ip) |
1142 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername) |
1143 | 07bd8a51 | Iustin Pop | |
1144 | 07bd8a51 | Iustin Pop | # Distribute updated ss config to all nodes
|
1145 | 07bd8a51 | Iustin Pop | myself = self.cfg.GetNodeInfo(master)
|
1146 | 07bd8a51 | Iustin Pop | dist_nodes = self.cfg.GetNodeList()
|
1147 | 07bd8a51 | Iustin Pop | if myself.name in dist_nodes: |
1148 | 07bd8a51 | Iustin Pop | dist_nodes.remove(myself.name) |
1149 | 07bd8a51 | Iustin Pop | |
1150 | 9a4f63d1 | Iustin Pop | logging.debug("Copying updated ssconf data to all nodes")
|
1151 | 07bd8a51 | Iustin Pop | for keyname in [ss.SS_CLUSTER_NAME, ss.SS_MASTER_IP]: |
1152 | 07bd8a51 | Iustin Pop | fname = ss.KeyToFilename(keyname) |
1153 | 72737a7f | Iustin Pop | result = self.rpc.call_upload_file(dist_nodes, fname)
|
1154 | 07bd8a51 | Iustin Pop | for to_node in dist_nodes: |
1155 | 07bd8a51 | Iustin Pop | if not result[to_node]: |
1156 | 86d9d3bb | Iustin Pop | self.LogWarning("Copy of file %s to node %s failed", |
1157 | 86d9d3bb | Iustin Pop | fname, to_node) |
1158 | 07bd8a51 | Iustin Pop | finally:
|
1159 | 72737a7f | Iustin Pop | if not self.rpc.call_node_start_master(master, False): |
1160 | 86d9d3bb | Iustin Pop | self.LogWarning("Could not re-enable the master role on" |
1161 | 86d9d3bb | Iustin Pop | " the master, please restart manually.")
|
1162 | 07bd8a51 | Iustin Pop | |
1163 | 07bd8a51 | Iustin Pop | |
1164 | 8084f9f6 | Manuel Franceschini | def _RecursiveCheckIfLVMBased(disk): |
1165 | 8084f9f6 | Manuel Franceschini | """Check if the given disk or its children are lvm-based.
|
1166 | 8084f9f6 | Manuel Franceschini |
|
1167 | e4376078 | Iustin Pop | @type disk: L{objects.Disk}
|
1168 | e4376078 | Iustin Pop | @param disk: the disk to check
|
1169 | e4376078 | Iustin Pop | @rtype: booleean
|
1170 | e4376078 | Iustin Pop | @return: boolean indicating whether a LD_LV dev_type was found or not
|
1171 | 8084f9f6 | Manuel Franceschini |
|
1172 | 8084f9f6 | Manuel Franceschini | """
|
1173 | 8084f9f6 | Manuel Franceschini | if disk.children:
|
1174 | 8084f9f6 | Manuel Franceschini | for chdisk in disk.children: |
1175 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(chdisk):
|
1176 | 8084f9f6 | Manuel Franceschini | return True |
1177 | 8084f9f6 | Manuel Franceschini | return disk.dev_type == constants.LD_LV
|
1178 | 8084f9f6 | Manuel Franceschini | |
1179 | 8084f9f6 | Manuel Franceschini | |
1180 | 8084f9f6 | Manuel Franceschini | class LUSetClusterParams(LogicalUnit): |
1181 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1182 | 8084f9f6 | Manuel Franceschini |
|
1183 | 8084f9f6 | Manuel Franceschini | """
|
1184 | 8084f9f6 | Manuel Franceschini | HPATH = "cluster-modify"
|
1185 | 8084f9f6 | Manuel Franceschini | HTYPE = constants.HTYPE_CLUSTER |
1186 | 8084f9f6 | Manuel Franceschini | _OP_REQP = [] |
1187 | c53279cf | Guido Trotter | REQ_BGL = False
|
1188 | c53279cf | Guido Trotter | |
1189 | c53279cf | Guido Trotter | def ExpandNames(self): |
1190 | c53279cf | Guido Trotter | # FIXME: in the future maybe other cluster params won't require checking on
|
1191 | c53279cf | Guido Trotter | # all nodes to be modified.
|
1192 | c53279cf | Guido Trotter | self.needed_locks = {
|
1193 | c53279cf | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1194 | c53279cf | Guido Trotter | } |
1195 | c53279cf | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1196 | 8084f9f6 | Manuel Franceschini | |
1197 | 8084f9f6 | Manuel Franceschini | def BuildHooksEnv(self): |
1198 | 8084f9f6 | Manuel Franceschini | """Build hooks env.
|
1199 | 8084f9f6 | Manuel Franceschini |
|
1200 | 8084f9f6 | Manuel Franceschini | """
|
1201 | 8084f9f6 | Manuel Franceschini | env = { |
1202 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1203 | 8084f9f6 | Manuel Franceschini | "NEW_VG_NAME": self.op.vg_name, |
1204 | 8084f9f6 | Manuel Franceschini | } |
1205 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1206 | 8084f9f6 | Manuel Franceschini | return env, [mn], [mn]
|
1207 | 8084f9f6 | Manuel Franceschini | |
1208 | 8084f9f6 | Manuel Franceschini | def CheckPrereq(self): |
1209 | 8084f9f6 | Manuel Franceschini | """Check prerequisites.
|
1210 | 8084f9f6 | Manuel Franceschini |
|
1211 | 8084f9f6 | Manuel Franceschini | This checks whether the given params don't conflict and
|
1212 | 5f83e263 | Iustin Pop | if the given volume group is valid.
|
1213 | 8084f9f6 | Manuel Franceschini |
|
1214 | 8084f9f6 | Manuel Franceschini | """
|
1215 | c53279cf | Guido Trotter | # FIXME: This only works because there is only one parameter that can be
|
1216 | c53279cf | Guido Trotter | # changed or removed.
|
1217 | 779c15bb | Iustin Pop | if self.op.vg_name is not None and not self.op.vg_name: |
1218 | c53279cf | Guido Trotter | instances = self.cfg.GetAllInstancesInfo().values()
|
1219 | 8084f9f6 | Manuel Franceschini | for inst in instances: |
1220 | 8084f9f6 | Manuel Franceschini | for disk in inst.disks: |
1221 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(disk):
|
1222 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Cannot disable lvm storage while" |
1223 | 8084f9f6 | Manuel Franceschini | " lvm-based instances exist")
|
1224 | 8084f9f6 | Manuel Franceschini | |
1225 | 779c15bb | Iustin Pop | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1226 | 779c15bb | Iustin Pop | |
1227 | 8084f9f6 | Manuel Franceschini | # if vg_name not None, checks given volume group on all nodes
|
1228 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name: |
1229 | 72737a7f | Iustin Pop | vglist = self.rpc.call_vg_list(node_list)
|
1230 | 8084f9f6 | Manuel Franceschini | for node in node_list: |
1231 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist[node], self.op.vg_name,
|
1232 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
1233 | 8084f9f6 | Manuel Franceschini | if vgstatus:
|
1234 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Error on node '%s': %s" % |
1235 | 8084f9f6 | Manuel Franceschini | (node, vgstatus)) |
1236 | 8084f9f6 | Manuel Franceschini | |
1237 | 779c15bb | Iustin Pop | self.cluster = cluster = self.cfg.GetClusterInfo() |
1238 | 779c15bb | Iustin Pop | # beparams changes do not need validation (we can't validate?),
|
1239 | 779c15bb | Iustin Pop | # but we still process here
|
1240 | 779c15bb | Iustin Pop | if self.op.beparams: |
1241 | 779c15bb | Iustin Pop | self.new_beparams = cluster.FillDict(
|
1242 | 779c15bb | Iustin Pop | cluster.beparams[constants.BEGR_DEFAULT], self.op.beparams)
|
1243 | 779c15bb | Iustin Pop | |
1244 | 779c15bb | Iustin Pop | # hypervisor list/parameters
|
1245 | 779c15bb | Iustin Pop | self.new_hvparams = cluster.FillDict(cluster.hvparams, {})
|
1246 | 779c15bb | Iustin Pop | if self.op.hvparams: |
1247 | 779c15bb | Iustin Pop | if not isinstance(self.op.hvparams, dict): |
1248 | 779c15bb | Iustin Pop | raise errors.OpPrereqError("Invalid 'hvparams' parameter on input") |
1249 | 779c15bb | Iustin Pop | for hv_name, hv_dict in self.op.hvparams.items(): |
1250 | 779c15bb | Iustin Pop | if hv_name not in self.new_hvparams: |
1251 | 779c15bb | Iustin Pop | self.new_hvparams[hv_name] = hv_dict
|
1252 | 779c15bb | Iustin Pop | else:
|
1253 | 779c15bb | Iustin Pop | self.new_hvparams[hv_name].update(hv_dict)
|
1254 | 779c15bb | Iustin Pop | |
1255 | 779c15bb | Iustin Pop | if self.op.enabled_hypervisors is not None: |
1256 | 779c15bb | Iustin Pop | self.hv_list = self.op.enabled_hypervisors |
1257 | 779c15bb | Iustin Pop | else:
|
1258 | 779c15bb | Iustin Pop | self.hv_list = cluster.enabled_hypervisors
|
1259 | 779c15bb | Iustin Pop | |
1260 | 779c15bb | Iustin Pop | if self.op.hvparams or self.op.enabled_hypervisors is not None: |
1261 | 779c15bb | Iustin Pop | # either the enabled list has changed, or the parameters have, validate
|
1262 | 779c15bb | Iustin Pop | for hv_name, hv_params in self.new_hvparams.items(): |
1263 | 779c15bb | Iustin Pop | if ((self.op.hvparams and hv_name in self.op.hvparams) or |
1264 | 779c15bb | Iustin Pop | (self.op.enabled_hypervisors and |
1265 | 779c15bb | Iustin Pop | hv_name in self.op.enabled_hypervisors)): |
1266 | 779c15bb | Iustin Pop | # either this is a new hypervisor, or its parameters have changed
|
1267 | 779c15bb | Iustin Pop | hv_class = hypervisor.GetHypervisor(hv_name) |
1268 | 779c15bb | Iustin Pop | hv_class.CheckParameterSyntax(hv_params) |
1269 | 779c15bb | Iustin Pop | _CheckHVParams(self, node_list, hv_name, hv_params)
|
1270 | 779c15bb | Iustin Pop | |
1271 | 8084f9f6 | Manuel Franceschini | def Exec(self, feedback_fn): |
1272 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1273 | 8084f9f6 | Manuel Franceschini |
|
1274 | 8084f9f6 | Manuel Franceschini | """
|
1275 | 779c15bb | Iustin Pop | if self.op.vg_name is not None: |
1276 | 779c15bb | Iustin Pop | if self.op.vg_name != self.cfg.GetVGName(): |
1277 | 779c15bb | Iustin Pop | self.cfg.SetVGName(self.op.vg_name) |
1278 | 779c15bb | Iustin Pop | else:
|
1279 | 779c15bb | Iustin Pop | feedback_fn("Cluster LVM configuration already in desired"
|
1280 | 779c15bb | Iustin Pop | " state, not changing")
|
1281 | 779c15bb | Iustin Pop | if self.op.hvparams: |
1282 | 779c15bb | Iustin Pop | self.cluster.hvparams = self.new_hvparams |
1283 | 779c15bb | Iustin Pop | if self.op.enabled_hypervisors is not None: |
1284 | 779c15bb | Iustin Pop | self.cluster.enabled_hypervisors = self.op.enabled_hypervisors |
1285 | 779c15bb | Iustin Pop | if self.op.beparams: |
1286 | 779c15bb | Iustin Pop | self.cluster.beparams[constants.BEGR_DEFAULT] = self.new_beparams |
1287 | 779c15bb | Iustin Pop | self.cfg.Update(self.cluster) |
1288 | 8084f9f6 | Manuel Franceschini | |
1289 | 8084f9f6 | Manuel Franceschini | |
1290 | b9bddb6b | Iustin Pop | def _WaitForSync(lu, instance, oneshot=False, unlock=False): |
1291 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1292 | a8083063 | Iustin Pop |
|
1293 | a8083063 | Iustin Pop | """
|
1294 | a8083063 | Iustin Pop | if not instance.disks: |
1295 | a8083063 | Iustin Pop | return True |
1296 | a8083063 | Iustin Pop | |
1297 | a8083063 | Iustin Pop | if not oneshot: |
1298 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
1299 | a8083063 | Iustin Pop | |
1300 | a8083063 | Iustin Pop | node = instance.primary_node |
1301 | a8083063 | Iustin Pop | |
1302 | a8083063 | Iustin Pop | for dev in instance.disks: |
1303 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
1304 | a8083063 | Iustin Pop | |
1305 | a8083063 | Iustin Pop | retries = 0
|
1306 | a8083063 | Iustin Pop | while True: |
1307 | a8083063 | Iustin Pop | max_time = 0
|
1308 | a8083063 | Iustin Pop | done = True
|
1309 | a8083063 | Iustin Pop | cumul_degraded = False
|
1310 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1311 | a8083063 | Iustin Pop | if not rstats: |
1312 | 86d9d3bb | Iustin Pop | lu.LogWarning("Can't get any data from node %s", node)
|
1313 | a8083063 | Iustin Pop | retries += 1
|
1314 | a8083063 | Iustin Pop | if retries >= 10: |
1315 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1316 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1317 | a8083063 | Iustin Pop | time.sleep(6)
|
1318 | a8083063 | Iustin Pop | continue
|
1319 | a8083063 | Iustin Pop | retries = 0
|
1320 | a8083063 | Iustin Pop | for i in range(len(rstats)): |
1321 | a8083063 | Iustin Pop | mstat = rstats[i] |
1322 | a8083063 | Iustin Pop | if mstat is None: |
1323 | 86d9d3bb | Iustin Pop | lu.LogWarning("Can't compute data for node %s/%s",
|
1324 | 86d9d3bb | Iustin Pop | node, instance.disks[i].iv_name) |
1325 | a8083063 | Iustin Pop | continue
|
1326 | 0834c866 | Iustin Pop | # we ignore the ldisk parameter
|
1327 | 0834c866 | Iustin Pop | perc_done, est_time, is_degraded, _ = mstat |
1328 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1329 | a8083063 | Iustin Pop | if perc_done is not None: |
1330 | a8083063 | Iustin Pop | done = False
|
1331 | a8083063 | Iustin Pop | if est_time is not None: |
1332 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1333 | a8083063 | Iustin Pop | max_time = est_time |
1334 | a8083063 | Iustin Pop | else:
|
1335 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1336 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
1337 | b9bddb6b | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1338 | a8083063 | Iustin Pop | if done or oneshot: |
1339 | a8083063 | Iustin Pop | break
|
1340 | a8083063 | Iustin Pop | |
1341 | d4fa5c23 | Iustin Pop | time.sleep(min(60, max_time)) |
1342 | a8083063 | Iustin Pop | |
1343 | a8083063 | Iustin Pop | if done:
|
1344 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
1345 | a8083063 | Iustin Pop | return not cumul_degraded |
1346 | a8083063 | Iustin Pop | |
1347 | a8083063 | Iustin Pop | |
1348 | b9bddb6b | Iustin Pop | def _CheckDiskConsistency(lu, dev, node, on_primary, ldisk=False): |
1349 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1350 | a8083063 | Iustin Pop |
|
1351 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
1352 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
1353 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
1354 | 0834c866 | Iustin Pop |
|
1355 | a8083063 | Iustin Pop | """
|
1356 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
1357 | 0834c866 | Iustin Pop | if ldisk:
|
1358 | 0834c866 | Iustin Pop | idx = 6
|
1359 | 0834c866 | Iustin Pop | else:
|
1360 | 0834c866 | Iustin Pop | idx = 5
|
1361 | a8083063 | Iustin Pop | |
1362 | a8083063 | Iustin Pop | result = True
|
1363 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1364 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_find(node, dev) |
1365 | a8083063 | Iustin Pop | if not rstats: |
1366 | 9a4f63d1 | Iustin Pop | logging.warning("Node %s: disk degraded, not found or node down", node)
|
1367 | a8083063 | Iustin Pop | result = False
|
1368 | a8083063 | Iustin Pop | else:
|
1369 | 0834c866 | Iustin Pop | result = result and (not rstats[idx]) |
1370 | a8083063 | Iustin Pop | if dev.children:
|
1371 | a8083063 | Iustin Pop | for child in dev.children: |
1372 | b9bddb6b | Iustin Pop | result = result and _CheckDiskConsistency(lu, child, node, on_primary)
|
1373 | a8083063 | Iustin Pop | |
1374 | a8083063 | Iustin Pop | return result
|
1375 | a8083063 | Iustin Pop | |
1376 | a8083063 | Iustin Pop | |
1377 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1378 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1379 | a8083063 | Iustin Pop |
|
1380 | a8083063 | Iustin Pop | """
|
1381 | 1f9430d6 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1382 | 6bf01bbb | Guido Trotter | REQ_BGL = False
|
1383 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet() |
1384 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("name", "valid", "node_status") |
1385 | a8083063 | Iustin Pop | |
1386 | 6bf01bbb | Guido Trotter | def ExpandNames(self): |
1387 | 1f9430d6 | Iustin Pop | if self.op.names: |
1388 | 1f9430d6 | Iustin Pop | raise errors.OpPrereqError("Selective OS query not supported") |
1389 | 1f9430d6 | Iustin Pop | |
1390 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1391 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
1392 | 1f9430d6 | Iustin Pop | selected=self.op.output_fields)
|
1393 | 1f9430d6 | Iustin Pop | |
1394 | 6bf01bbb | Guido Trotter | # Lock all nodes, in shared mode
|
1395 | 6bf01bbb | Guido Trotter | self.needed_locks = {}
|
1396 | 6bf01bbb | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1397 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
1398 | 6bf01bbb | Guido Trotter | |
1399 | 6bf01bbb | Guido Trotter | def CheckPrereq(self): |
1400 | 6bf01bbb | Guido Trotter | """Check prerequisites.
|
1401 | 6bf01bbb | Guido Trotter |
|
1402 | 6bf01bbb | Guido Trotter | """
|
1403 | 6bf01bbb | Guido Trotter | |
1404 | 1f9430d6 | Iustin Pop | @staticmethod
|
1405 | 1f9430d6 | Iustin Pop | def _DiagnoseByOS(node_list, rlist): |
1406 | 1f9430d6 | Iustin Pop | """Remaps a per-node return list into an a per-os per-node dictionary
|
1407 | 1f9430d6 | Iustin Pop |
|
1408 | e4376078 | Iustin Pop | @param node_list: a list with the names of all nodes
|
1409 | e4376078 | Iustin Pop | @param rlist: a map with node names as keys and OS objects as values
|
1410 | 1f9430d6 | Iustin Pop |
|
1411 | e4376078 | Iustin Pop | @rtype: dict
|
1412 | e4376078 | Iustin Pop | @returns: a dictionary with osnames as keys and as value another map, with
|
1413 | e4376078 | Iustin Pop | nodes as keys and list of OS objects as values, eg::
|
1414 | e4376078 | Iustin Pop |
|
1415 | e4376078 | Iustin Pop | {"debian-etch": {"node1": [<object>,...],
|
1416 | e4376078 | Iustin Pop | "node2": [<object>,]}
|
1417 | e4376078 | Iustin Pop | }
|
1418 | 1f9430d6 | Iustin Pop |
|
1419 | 1f9430d6 | Iustin Pop | """
|
1420 | 1f9430d6 | Iustin Pop | all_os = {} |
1421 | 1f9430d6 | Iustin Pop | for node_name, nr in rlist.iteritems(): |
1422 | 1f9430d6 | Iustin Pop | if not nr: |
1423 | 1f9430d6 | Iustin Pop | continue
|
1424 | b4de68a9 | Iustin Pop | for os_obj in nr: |
1425 | b4de68a9 | Iustin Pop | if os_obj.name not in all_os: |
1426 | 1f9430d6 | Iustin Pop | # build a list of nodes for this os containing empty lists
|
1427 | 1f9430d6 | Iustin Pop | # for each node in node_list
|
1428 | b4de68a9 | Iustin Pop | all_os[os_obj.name] = {} |
1429 | 1f9430d6 | Iustin Pop | for nname in node_list: |
1430 | b4de68a9 | Iustin Pop | all_os[os_obj.name][nname] = [] |
1431 | b4de68a9 | Iustin Pop | all_os[os_obj.name][node_name].append(os_obj) |
1432 | 1f9430d6 | Iustin Pop | return all_os
|
1433 | a8083063 | Iustin Pop | |
1434 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1435 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1436 | a8083063 | Iustin Pop |
|
1437 | a8083063 | Iustin Pop | """
|
1438 | 6bf01bbb | Guido Trotter | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1439 | 72737a7f | Iustin Pop | node_data = self.rpc.call_os_diagnose(node_list)
|
1440 | a8083063 | Iustin Pop | if node_data == False: |
1441 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't gather the list of OSes") |
1442 | 1f9430d6 | Iustin Pop | pol = self._DiagnoseByOS(node_list, node_data)
|
1443 | 1f9430d6 | Iustin Pop | output = [] |
1444 | 1f9430d6 | Iustin Pop | for os_name, os_data in pol.iteritems(): |
1445 | 1f9430d6 | Iustin Pop | row = [] |
1446 | 1f9430d6 | Iustin Pop | for field in self.op.output_fields: |
1447 | 1f9430d6 | Iustin Pop | if field == "name": |
1448 | 1f9430d6 | Iustin Pop | val = os_name |
1449 | 1f9430d6 | Iustin Pop | elif field == "valid": |
1450 | 1f9430d6 | Iustin Pop | val = utils.all([osl and osl[0] for osl in os_data.values()]) |
1451 | 1f9430d6 | Iustin Pop | elif field == "node_status": |
1452 | 1f9430d6 | Iustin Pop | val = {} |
1453 | 1f9430d6 | Iustin Pop | for node_name, nos_list in os_data.iteritems(): |
1454 | 1f9430d6 | Iustin Pop | val[node_name] = [(v.status, v.path) for v in nos_list] |
1455 | 1f9430d6 | Iustin Pop | else:
|
1456 | 1f9430d6 | Iustin Pop | raise errors.ParameterError(field)
|
1457 | 1f9430d6 | Iustin Pop | row.append(val) |
1458 | 1f9430d6 | Iustin Pop | output.append(row) |
1459 | 1f9430d6 | Iustin Pop | |
1460 | 1f9430d6 | Iustin Pop | return output
|
1461 | a8083063 | Iustin Pop | |
1462 | a8083063 | Iustin Pop | |
1463 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1464 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1465 | a8083063 | Iustin Pop |
|
1466 | a8083063 | Iustin Pop | """
|
1467 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1468 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1469 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1470 | a8083063 | Iustin Pop | |
1471 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1472 | a8083063 | Iustin Pop | """Build hooks env.
|
1473 | a8083063 | Iustin Pop |
|
1474 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1475 | d08869ee | Guido Trotter | node would then be impossible to remove.
|
1476 | a8083063 | Iustin Pop |
|
1477 | a8083063 | Iustin Pop | """
|
1478 | 396e1b78 | Michael Hanselmann | env = { |
1479 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1480 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1481 | 396e1b78 | Michael Hanselmann | } |
1482 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1483 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1484 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1485 | a8083063 | Iustin Pop | |
1486 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1487 | a8083063 | Iustin Pop | """Check prerequisites.
|
1488 | a8083063 | Iustin Pop |
|
1489 | a8083063 | Iustin Pop | This checks:
|
1490 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1491 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1492 | a8083063 | Iustin Pop | - it's not the master
|
1493 | a8083063 | Iustin Pop |
|
1494 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1495 | a8083063 | Iustin Pop |
|
1496 | a8083063 | Iustin Pop | """
|
1497 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1498 | a8083063 | Iustin Pop | if node is None: |
1499 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1500 | a8083063 | Iustin Pop | |
1501 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1502 | a8083063 | Iustin Pop | |
1503 | d6a02168 | Michael Hanselmann | masternode = self.cfg.GetMasterNode()
|
1504 | a8083063 | Iustin Pop | if node.name == masternode:
|
1505 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
1506 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
1507 | a8083063 | Iustin Pop | |
1508 | a8083063 | Iustin Pop | for instance_name in instance_list: |
1509 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
1510 | a8083063 | Iustin Pop | if node.name == instance.primary_node:
|
1511 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s still running on the node," |
1512 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1513 | a8083063 | Iustin Pop | if node.name in instance.secondary_nodes: |
1514 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s has node as a secondary," |
1515 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1516 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
1517 | a8083063 | Iustin Pop | self.node = node
|
1518 | a8083063 | Iustin Pop | |
1519 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1520 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
1521 | a8083063 | Iustin Pop |
|
1522 | a8083063 | Iustin Pop | """
|
1523 | a8083063 | Iustin Pop | node = self.node
|
1524 | 9a4f63d1 | Iustin Pop | logging.info("Stopping the node daemon and removing configs from node %s",
|
1525 | 9a4f63d1 | Iustin Pop | node.name) |
1526 | a8083063 | Iustin Pop | |
1527 | d8470559 | Michael Hanselmann | self.context.RemoveNode(node.name)
|
1528 | a8083063 | Iustin Pop | |
1529 | 72737a7f | Iustin Pop | self.rpc.call_node_leave_cluster(node.name)
|
1530 | c8a0948f | Michael Hanselmann | |
1531 | a8083063 | Iustin Pop | |
1532 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
1533 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
1534 | a8083063 | Iustin Pop |
|
1535 | a8083063 | Iustin Pop | """
|
1536 | 246e180a | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1537 | 35705d8f | Guido Trotter | REQ_BGL = False
|
1538 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet( |
1539 | 31bf511f | Iustin Pop | "dtotal", "dfree", |
1540 | 31bf511f | Iustin Pop | "mtotal", "mnode", "mfree", |
1541 | 31bf511f | Iustin Pop | "bootid",
|
1542 | 31bf511f | Iustin Pop | "ctotal",
|
1543 | 31bf511f | Iustin Pop | ) |
1544 | 31bf511f | Iustin Pop | |
1545 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet( |
1546 | 31bf511f | Iustin Pop | "name", "pinst_cnt", "sinst_cnt", |
1547 | 31bf511f | Iustin Pop | "pinst_list", "sinst_list", |
1548 | 31bf511f | Iustin Pop | "pip", "sip", "tags", |
1549 | 31bf511f | Iustin Pop | "serial_no",
|
1550 | 0e67cdbe | Iustin Pop | "master_candidate",
|
1551 | 0e67cdbe | Iustin Pop | "master",
|
1552 | 31bf511f | Iustin Pop | ) |
1553 | a8083063 | Iustin Pop | |
1554 | 35705d8f | Guido Trotter | def ExpandNames(self): |
1555 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1556 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
1557 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1558 | a8083063 | Iustin Pop | |
1559 | 35705d8f | Guido Trotter | self.needed_locks = {}
|
1560 | 35705d8f | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1561 | c8d8b4c8 | Iustin Pop | |
1562 | c8d8b4c8 | Iustin Pop | if self.op.names: |
1563 | c8d8b4c8 | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
1564 | 35705d8f | Guido Trotter | else:
|
1565 | c8d8b4c8 | Iustin Pop | self.wanted = locking.ALL_SET
|
1566 | c8d8b4c8 | Iustin Pop | |
1567 | 31bf511f | Iustin Pop | self.do_locking = self._FIELDS_STATIC.NonMatching(self.op.output_fields) |
1568 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
1569 | c8d8b4c8 | Iustin Pop | # if we don't request only static fields, we need to lock the nodes
|
1570 | c8d8b4c8 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = self.wanted |
1571 | c8d8b4c8 | Iustin Pop | |
1572 | 35705d8f | Guido Trotter | |
1573 | 35705d8f | Guido Trotter | def CheckPrereq(self): |
1574 | 35705d8f | Guido Trotter | """Check prerequisites.
|
1575 | 35705d8f | Guido Trotter |
|
1576 | 35705d8f | Guido Trotter | """
|
1577 | c8d8b4c8 | Iustin Pop | # The validation of the node list is done in the _GetWantedNodes,
|
1578 | c8d8b4c8 | Iustin Pop | # if non empty, and if empty, there's no validation to do
|
1579 | c8d8b4c8 | Iustin Pop | pass
|
1580 | a8083063 | Iustin Pop | |
1581 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1582 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
1583 | a8083063 | Iustin Pop |
|
1584 | a8083063 | Iustin Pop | """
|
1585 | c8d8b4c8 | Iustin Pop | all_info = self.cfg.GetAllNodesInfo()
|
1586 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
1587 | c8d8b4c8 | Iustin Pop | nodenames = self.acquired_locks[locking.LEVEL_NODE]
|
1588 | 3fa93523 | Guido Trotter | elif self.wanted != locking.ALL_SET: |
1589 | 3fa93523 | Guido Trotter | nodenames = self.wanted
|
1590 | 3fa93523 | Guido Trotter | missing = set(nodenames).difference(all_info.keys())
|
1591 | 3fa93523 | Guido Trotter | if missing:
|
1592 | 7b3a8fb5 | Iustin Pop | raise errors.OpExecError(
|
1593 | 3fa93523 | Guido Trotter | "Some nodes were removed before retrieving their data: %s" % missing)
|
1594 | c8d8b4c8 | Iustin Pop | else:
|
1595 | c8d8b4c8 | Iustin Pop | nodenames = all_info.keys() |
1596 | c1f1cbb2 | Iustin Pop | |
1597 | c1f1cbb2 | Iustin Pop | nodenames = utils.NiceSort(nodenames) |
1598 | c8d8b4c8 | Iustin Pop | nodelist = [all_info[name] for name in nodenames] |
1599 | a8083063 | Iustin Pop | |
1600 | a8083063 | Iustin Pop | # begin data gathering
|
1601 | a8083063 | Iustin Pop | |
1602 | 31bf511f | Iustin Pop | if self.do_locking: |
1603 | a8083063 | Iustin Pop | live_data = {} |
1604 | 72737a7f | Iustin Pop | node_data = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
1605 | 72737a7f | Iustin Pop | self.cfg.GetHypervisorType())
|
1606 | a8083063 | Iustin Pop | for name in nodenames: |
1607 | a8083063 | Iustin Pop | nodeinfo = node_data.get(name, None)
|
1608 | a8083063 | Iustin Pop | if nodeinfo:
|
1609 | d599d686 | Iustin Pop | fn = utils.TryConvert |
1610 | a8083063 | Iustin Pop | live_data[name] = { |
1611 | d599d686 | Iustin Pop | "mtotal": fn(int, nodeinfo.get('memory_total', None)), |
1612 | d599d686 | Iustin Pop | "mnode": fn(int, nodeinfo.get('memory_dom0', None)), |
1613 | d599d686 | Iustin Pop | "mfree": fn(int, nodeinfo.get('memory_free', None)), |
1614 | d599d686 | Iustin Pop | "dtotal": fn(int, nodeinfo.get('vg_size', None)), |
1615 | d599d686 | Iustin Pop | "dfree": fn(int, nodeinfo.get('vg_free', None)), |
1616 | d599d686 | Iustin Pop | "ctotal": fn(int, nodeinfo.get('cpu_total', None)), |
1617 | d599d686 | Iustin Pop | "bootid": nodeinfo.get('bootid', None), |
1618 | a8083063 | Iustin Pop | } |
1619 | a8083063 | Iustin Pop | else:
|
1620 | a8083063 | Iustin Pop | live_data[name] = {} |
1621 | a8083063 | Iustin Pop | else:
|
1622 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
1623 | a8083063 | Iustin Pop | |
1624 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
1625 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1626 | a8083063 | Iustin Pop | |
1627 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
1628 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
1629 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
1630 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
1631 | a8083063 | Iustin Pop | |
1632 | ec223efb | Iustin Pop | for instance_name in instancelist: |
1633 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
1634 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
1635 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
1636 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
1637 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
1638 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
1639 | a8083063 | Iustin Pop | |
1640 | 0e67cdbe | Iustin Pop | master_node = self.cfg.GetMasterNode()
|
1641 | 0e67cdbe | Iustin Pop | |
1642 | a8083063 | Iustin Pop | # end data gathering
|
1643 | a8083063 | Iustin Pop | |
1644 | a8083063 | Iustin Pop | output = [] |
1645 | a8083063 | Iustin Pop | for node in nodelist: |
1646 | a8083063 | Iustin Pop | node_output = [] |
1647 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
1648 | a8083063 | Iustin Pop | if field == "name": |
1649 | a8083063 | Iustin Pop | val = node.name |
1650 | ec223efb | Iustin Pop | elif field == "pinst_list": |
1651 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
1652 | ec223efb | Iustin Pop | elif field == "sinst_list": |
1653 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
1654 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
1655 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
1656 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
1657 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
1658 | a8083063 | Iustin Pop | elif field == "pip": |
1659 | a8083063 | Iustin Pop | val = node.primary_ip |
1660 | a8083063 | Iustin Pop | elif field == "sip": |
1661 | a8083063 | Iustin Pop | val = node.secondary_ip |
1662 | 130a6a6f | Iustin Pop | elif field == "tags": |
1663 | 130a6a6f | Iustin Pop | val = list(node.GetTags())
|
1664 | 38d7239a | Iustin Pop | elif field == "serial_no": |
1665 | 38d7239a | Iustin Pop | val = node.serial_no |
1666 | 0e67cdbe | Iustin Pop | elif field == "master_candidate": |
1667 | 0e67cdbe | Iustin Pop | val = node.master_candidate |
1668 | 0e67cdbe | Iustin Pop | elif field == "master": |
1669 | 0e67cdbe | Iustin Pop | val = node.name == master_node |
1670 | 31bf511f | Iustin Pop | elif self._FIELDS_DYNAMIC.Matches(field): |
1671 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
1672 | a8083063 | Iustin Pop | else:
|
1673 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1674 | a8083063 | Iustin Pop | node_output.append(val) |
1675 | a8083063 | Iustin Pop | output.append(node_output) |
1676 | a8083063 | Iustin Pop | |
1677 | a8083063 | Iustin Pop | return output
|
1678 | a8083063 | Iustin Pop | |
1679 | a8083063 | Iustin Pop | |
1680 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
1681 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
1682 | dcb93971 | Michael Hanselmann |
|
1683 | dcb93971 | Michael Hanselmann | """
|
1684 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
1685 | 21a15682 | Guido Trotter | REQ_BGL = False
|
1686 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("phys", "vg", "name", "size", "instance") |
1687 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet("node")
|
1688 | 21a15682 | Guido Trotter | |
1689 | 21a15682 | Guido Trotter | def ExpandNames(self): |
1690 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1691 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
1692 | 21a15682 | Guido Trotter | selected=self.op.output_fields)
|
1693 | 21a15682 | Guido Trotter | |
1694 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
1695 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1696 | 21a15682 | Guido Trotter | if not self.op.nodes: |
1697 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
1698 | 21a15682 | Guido Trotter | else:
|
1699 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
1700 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
1701 | dcb93971 | Michael Hanselmann | |
1702 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
1703 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
1704 | dcb93971 | Michael Hanselmann |
|
1705 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
1706 | dcb93971 | Michael Hanselmann |
|
1707 | dcb93971 | Michael Hanselmann | """
|
1708 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
1709 | dcb93971 | Michael Hanselmann | |
1710 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
1711 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
1712 | dcb93971 | Michael Hanselmann |
|
1713 | dcb93971 | Michael Hanselmann | """
|
1714 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
1715 | 72737a7f | Iustin Pop | volumes = self.rpc.call_node_volumes(nodenames)
|
1716 | dcb93971 | Michael Hanselmann | |
1717 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
1718 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
1719 | dcb93971 | Michael Hanselmann | |
1720 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
1721 | dcb93971 | Michael Hanselmann | |
1722 | dcb93971 | Michael Hanselmann | output = [] |
1723 | dcb93971 | Michael Hanselmann | for node in nodenames: |
1724 | 37d19eb2 | Michael Hanselmann | if node not in volumes or not volumes[node]: |
1725 | 37d19eb2 | Michael Hanselmann | continue
|
1726 | 37d19eb2 | Michael Hanselmann | |
1727 | dcb93971 | Michael Hanselmann | node_vols = volumes[node][:] |
1728 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
1729 | dcb93971 | Michael Hanselmann | |
1730 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
1731 | dcb93971 | Michael Hanselmann | node_output = [] |
1732 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
1733 | dcb93971 | Michael Hanselmann | if field == "node": |
1734 | dcb93971 | Michael Hanselmann | val = node |
1735 | dcb93971 | Michael Hanselmann | elif field == "phys": |
1736 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
1737 | dcb93971 | Michael Hanselmann | elif field == "vg": |
1738 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
1739 | dcb93971 | Michael Hanselmann | elif field == "name": |
1740 | dcb93971 | Michael Hanselmann | val = vol['name']
|
1741 | dcb93971 | Michael Hanselmann | elif field == "size": |
1742 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
1743 | dcb93971 | Michael Hanselmann | elif field == "instance": |
1744 | dcb93971 | Michael Hanselmann | for inst in ilist: |
1745 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
1746 | dcb93971 | Michael Hanselmann | continue
|
1747 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
1748 | dcb93971 | Michael Hanselmann | val = inst.name |
1749 | dcb93971 | Michael Hanselmann | break
|
1750 | dcb93971 | Michael Hanselmann | else:
|
1751 | dcb93971 | Michael Hanselmann | val = '-'
|
1752 | dcb93971 | Michael Hanselmann | else:
|
1753 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1754 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
1755 | dcb93971 | Michael Hanselmann | |
1756 | dcb93971 | Michael Hanselmann | output.append(node_output) |
1757 | dcb93971 | Michael Hanselmann | |
1758 | dcb93971 | Michael Hanselmann | return output
|
1759 | dcb93971 | Michael Hanselmann | |
1760 | dcb93971 | Michael Hanselmann | |
1761 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
1762 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
1763 | a8083063 | Iustin Pop |
|
1764 | a8083063 | Iustin Pop | """
|
1765 | a8083063 | Iustin Pop | HPATH = "node-add"
|
1766 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1767 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1768 | a8083063 | Iustin Pop | |
1769 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1770 | a8083063 | Iustin Pop | """Build hooks env.
|
1771 | a8083063 | Iustin Pop |
|
1772 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
1773 | a8083063 | Iustin Pop |
|
1774 | a8083063 | Iustin Pop | """
|
1775 | a8083063 | Iustin Pop | env = { |
1776 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1777 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
1778 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
1779 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
1780 | a8083063 | Iustin Pop | } |
1781 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
1782 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
1783 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
1784 | a8083063 | Iustin Pop | |
1785 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1786 | a8083063 | Iustin Pop | """Check prerequisites.
|
1787 | a8083063 | Iustin Pop |
|
1788 | a8083063 | Iustin Pop | This checks:
|
1789 | a8083063 | Iustin Pop | - the new node is not already in the config
|
1790 | a8083063 | Iustin Pop | - it is resolvable
|
1791 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
1792 | a8083063 | Iustin Pop |
|
1793 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1794 | a8083063 | Iustin Pop |
|
1795 | a8083063 | Iustin Pop | """
|
1796 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
1797 | a8083063 | Iustin Pop | cfg = self.cfg
|
1798 | a8083063 | Iustin Pop | |
1799 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
1800 | a8083063 | Iustin Pop | |
1801 | bcf043c9 | Iustin Pop | node = dns_data.name |
1802 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
1803 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
1804 | a8083063 | Iustin Pop | if secondary_ip is None: |
1805 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
1806 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
1807 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
1808 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
1809 | e7c6e02b | Michael Hanselmann | |
1810 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
1811 | e7c6e02b | Michael Hanselmann | if not self.op.readd and node in node_list: |
1812 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is already in the configuration" % |
1813 | e7c6e02b | Michael Hanselmann | node) |
1814 | e7c6e02b | Michael Hanselmann | elif self.op.readd and node not in node_list: |
1815 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is not in the configuration" % node) |
1816 | a8083063 | Iustin Pop | |
1817 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
1818 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
1819 | e7c6e02b | Michael Hanselmann | |
1820 | e7c6e02b | Michael Hanselmann | if self.op.readd and node == existing_node_name: |
1821 | e7c6e02b | Michael Hanselmann | if (existing_node.primary_ip != primary_ip or |
1822 | e7c6e02b | Michael Hanselmann | existing_node.secondary_ip != secondary_ip): |
1823 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Readded node doesn't have the same IP" |
1824 | e7c6e02b | Michael Hanselmann | " address configuration as before")
|
1825 | e7c6e02b | Michael Hanselmann | continue
|
1826 | e7c6e02b | Michael Hanselmann | |
1827 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
1828 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
1829 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
1830 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
1831 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
1832 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
1833 | a8083063 | Iustin Pop | |
1834 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
1835 | a8083063 | Iustin Pop | # same as for the master
|
1836 | d6a02168 | Michael Hanselmann | myself = cfg.GetNodeInfo(self.cfg.GetMasterNode())
|
1837 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
1838 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
1839 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
1840 | a8083063 | Iustin Pop | if master_singlehomed:
|
1841 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
1842 | 3ecf6786 | Iustin Pop | " new node has one")
|
1843 | a8083063 | Iustin Pop | else:
|
1844 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
1845 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
1846 | a8083063 | Iustin Pop | |
1847 | a8083063 | Iustin Pop | # checks reachablity
|
1848 | b15d625f | Iustin Pop | if not utils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
1849 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
1850 | a8083063 | Iustin Pop | |
1851 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
1852 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
1853 | b15d625f | Iustin Pop | if not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
1854 | b15d625f | Iustin Pop | source=myself.secondary_ip): |
1855 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
1856 | f4bc1f2c | Michael Hanselmann | " based ping to noded port")
|
1857 | a8083063 | Iustin Pop | |
1858 | a8083063 | Iustin Pop | self.new_node = objects.Node(name=node,
|
1859 | a8083063 | Iustin Pop | primary_ip=primary_ip, |
1860 | a8083063 | Iustin Pop | secondary_ip=secondary_ip) |
1861 | a8083063 | Iustin Pop | |
1862 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1863 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
1864 | a8083063 | Iustin Pop |
|
1865 | a8083063 | Iustin Pop | """
|
1866 | a8083063 | Iustin Pop | new_node = self.new_node
|
1867 | a8083063 | Iustin Pop | node = new_node.name |
1868 | a8083063 | Iustin Pop | |
1869 | a8083063 | Iustin Pop | # check connectivity
|
1870 | 72737a7f | Iustin Pop | result = self.rpc.call_version([node])[node]
|
1871 | a8083063 | Iustin Pop | if result:
|
1872 | a8083063 | Iustin Pop | if constants.PROTOCOL_VERSION == result:
|
1873 | 9a4f63d1 | Iustin Pop | logging.info("Communication to node %s fine, sw version %s match",
|
1874 | 9a4f63d1 | Iustin Pop | node, result) |
1875 | a8083063 | Iustin Pop | else:
|
1876 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
1877 | 3ecf6786 | Iustin Pop | " node version %s" %
|
1878 | 3ecf6786 | Iustin Pop | (constants.PROTOCOL_VERSION, result)) |
1879 | a8083063 | Iustin Pop | else:
|
1880 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot get version from the new node") |
1881 | a8083063 | Iustin Pop | |
1882 | a8083063 | Iustin Pop | # setup ssh on node
|
1883 | 9a4f63d1 | Iustin Pop | logging.info("Copy ssh key to node %s", node)
|
1884 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
1885 | a8083063 | Iustin Pop | keyarray = [] |
1886 | 70d9e3d8 | Iustin Pop | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
1887 | 70d9e3d8 | Iustin Pop | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
1888 | 70d9e3d8 | Iustin Pop | priv_key, pub_key] |
1889 | a8083063 | Iustin Pop | |
1890 | a8083063 | Iustin Pop | for i in keyfiles: |
1891 | a8083063 | Iustin Pop | f = open(i, 'r') |
1892 | a8083063 | Iustin Pop | try:
|
1893 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
1894 | a8083063 | Iustin Pop | finally:
|
1895 | a8083063 | Iustin Pop | f.close() |
1896 | a8083063 | Iustin Pop | |
1897 | 72737a7f | Iustin Pop | result = self.rpc.call_node_add(node, keyarray[0], keyarray[1], |
1898 | 72737a7f | Iustin Pop | keyarray[2],
|
1899 | 72737a7f | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
1900 | a8083063 | Iustin Pop | |
1901 | a8083063 | Iustin Pop | if not result: |
1902 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot transfer ssh keys to the new node") |
1903 | a8083063 | Iustin Pop | |
1904 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
1905 | d9c02ca6 | Michael Hanselmann | utils.AddHostToEtcHosts(new_node.name) |
1906 | c8a0948f | Michael Hanselmann | |
1907 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
1908 | caad16e2 | Iustin Pop | if not self.rpc.call_node_has_ip_address(new_node.name, |
1909 | caad16e2 | Iustin Pop | new_node.secondary_ip): |
1910 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
1911 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
1912 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
1913 | a8083063 | Iustin Pop | |
1914 | d6a02168 | Michael Hanselmann | node_verify_list = [self.cfg.GetMasterNode()]
|
1915 | 5c0527ed | Guido Trotter | node_verify_param = { |
1916 | 5c0527ed | Guido Trotter | 'nodelist': [node],
|
1917 | 5c0527ed | Guido Trotter | # TODO: do a node-net-test as well?
|
1918 | 5c0527ed | Guido Trotter | } |
1919 | 5c0527ed | Guido Trotter | |
1920 | 72737a7f | Iustin Pop | result = self.rpc.call_node_verify(node_verify_list, node_verify_param,
|
1921 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
1922 | 5c0527ed | Guido Trotter | for verifier in node_verify_list: |
1923 | 5c0527ed | Guido Trotter | if not result[verifier]: |
1924 | 5c0527ed | Guido Trotter | raise errors.OpExecError("Cannot communicate with %s's node daemon" |
1925 | 5c0527ed | Guido Trotter | " for remote verification" % verifier)
|
1926 | 5c0527ed | Guido Trotter | if result[verifier]['nodelist']: |
1927 | 5c0527ed | Guido Trotter | for failed in result[verifier]['nodelist']: |
1928 | 5c0527ed | Guido Trotter | feedback_fn("ssh/hostname verification failed %s -> %s" %
|
1929 | 5c0527ed | Guido Trotter | (verifier, result[verifier]['nodelist'][failed]))
|
1930 | 5c0527ed | Guido Trotter | raise errors.OpExecError("ssh/hostname verification failed.") |
1931 | ff98055b | Iustin Pop | |
1932 | a8083063 | Iustin Pop | # Distribute updated /etc/hosts and known_hosts to all nodes,
|
1933 | a8083063 | Iustin Pop | # including the node just added
|
1934 | d6a02168 | Michael Hanselmann | myself = self.cfg.GetNodeInfo(self.cfg.GetMasterNode()) |
1935 | 102b115b | Michael Hanselmann | dist_nodes = self.cfg.GetNodeList()
|
1936 | 102b115b | Michael Hanselmann | if not self.op.readd: |
1937 | 102b115b | Michael Hanselmann | dist_nodes.append(node) |
1938 | a8083063 | Iustin Pop | if myself.name in dist_nodes: |
1939 | a8083063 | Iustin Pop | dist_nodes.remove(myself.name) |
1940 | a8083063 | Iustin Pop | |
1941 | 9a4f63d1 | Iustin Pop | logging.debug("Copying hosts and known_hosts to all nodes")
|
1942 | 107711b0 | Michael Hanselmann | for fname in (constants.ETC_HOSTS, constants.SSH_KNOWN_HOSTS_FILE): |
1943 | 72737a7f | Iustin Pop | result = self.rpc.call_upload_file(dist_nodes, fname)
|
1944 | a8083063 | Iustin Pop | for to_node in dist_nodes: |
1945 | a8083063 | Iustin Pop | if not result[to_node]: |
1946 | 9a4f63d1 | Iustin Pop | logging.error("Copy of file %s to node %s failed", fname, to_node)
|
1947 | a8083063 | Iustin Pop | |
1948 | d6a02168 | Michael Hanselmann | to_copy = [] |
1949 | 00cd937c | Iustin Pop | if constants.HT_XEN_HVM in self.cfg.GetClusterInfo().enabled_hypervisors: |
1950 | 2a6469d5 | Alexander Schreiber | to_copy.append(constants.VNC_PASSWORD_FILE) |
1951 | a8083063 | Iustin Pop | for fname in to_copy: |
1952 | 72737a7f | Iustin Pop | result = self.rpc.call_upload_file([node], fname)
|
1953 | b5602d15 | Guido Trotter | if not result[node]: |
1954 | 9a4f63d1 | Iustin Pop | logging.error("Could not copy file %s to node %s", fname, node)
|
1955 | a8083063 | Iustin Pop | |
1956 | d8470559 | Michael Hanselmann | if self.op.readd: |
1957 | d8470559 | Michael Hanselmann | self.context.ReaddNode(new_node)
|
1958 | d8470559 | Michael Hanselmann | else:
|
1959 | d8470559 | Michael Hanselmann | self.context.AddNode(new_node)
|
1960 | a8083063 | Iustin Pop | |
1961 | a8083063 | Iustin Pop | |
1962 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
1963 | a8083063 | Iustin Pop | """Query cluster configuration.
|
1964 | a8083063 | Iustin Pop |
|
1965 | a8083063 | Iustin Pop | """
|
1966 | a8083063 | Iustin Pop | _OP_REQP = [] |
1967 | 642339cf | Guido Trotter | REQ_BGL = False
|
1968 | 642339cf | Guido Trotter | |
1969 | 642339cf | Guido Trotter | def ExpandNames(self): |
1970 | 642339cf | Guido Trotter | self.needed_locks = {}
|
1971 | a8083063 | Iustin Pop | |
1972 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1973 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
1974 | a8083063 | Iustin Pop |
|
1975 | a8083063 | Iustin Pop | """
|
1976 | a8083063 | Iustin Pop | pass
|
1977 | a8083063 | Iustin Pop | |
1978 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1979 | a8083063 | Iustin Pop | """Return cluster config.
|
1980 | a8083063 | Iustin Pop |
|
1981 | a8083063 | Iustin Pop | """
|
1982 | 469f88e1 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
1983 | a8083063 | Iustin Pop | result = { |
1984 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
1985 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
1986 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
1987 | a8083063 | Iustin Pop | "os_api_version": constants.OS_API_VERSION,
|
1988 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
1989 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
1990 | 469f88e1 | Iustin Pop | "name": cluster.cluster_name,
|
1991 | 469f88e1 | Iustin Pop | "master": cluster.master_node,
|
1992 | 02691904 | Alexander Schreiber | "default_hypervisor": cluster.default_hypervisor,
|
1993 | 469f88e1 | Iustin Pop | "enabled_hypervisors": cluster.enabled_hypervisors,
|
1994 | 469f88e1 | Iustin Pop | "hvparams": cluster.hvparams,
|
1995 | 469f88e1 | Iustin Pop | "beparams": cluster.beparams,
|
1996 | a8083063 | Iustin Pop | } |
1997 | a8083063 | Iustin Pop | |
1998 | a8083063 | Iustin Pop | return result
|
1999 | a8083063 | Iustin Pop | |
2000 | a8083063 | Iustin Pop | |
2001 | ae5849b5 | Michael Hanselmann | class LUQueryConfigValues(NoHooksLU): |
2002 | ae5849b5 | Michael Hanselmann | """Return configuration values.
|
2003 | a8083063 | Iustin Pop |
|
2004 | a8083063 | Iustin Pop | """
|
2005 | a8083063 | Iustin Pop | _OP_REQP = [] |
2006 | 642339cf | Guido Trotter | REQ_BGL = False
|
2007 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet() |
2008 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet("cluster_name", "master_node", "drain_flag") |
2009 | 642339cf | Guido Trotter | |
2010 | 642339cf | Guido Trotter | def ExpandNames(self): |
2011 | 642339cf | Guido Trotter | self.needed_locks = {}
|
2012 | a8083063 | Iustin Pop | |
2013 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2014 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2015 | ae5849b5 | Michael Hanselmann | selected=self.op.output_fields)
|
2016 | ae5849b5 | Michael Hanselmann | |
2017 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2018 | a8083063 | Iustin Pop | """No prerequisites.
|
2019 | a8083063 | Iustin Pop |
|
2020 | a8083063 | Iustin Pop | """
|
2021 | a8083063 | Iustin Pop | pass
|
2022 | a8083063 | Iustin Pop | |
2023 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2024 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
2025 | a8083063 | Iustin Pop |
|
2026 | a8083063 | Iustin Pop | """
|
2027 | ae5849b5 | Michael Hanselmann | values = [] |
2028 | ae5849b5 | Michael Hanselmann | for field in self.op.output_fields: |
2029 | ae5849b5 | Michael Hanselmann | if field == "cluster_name": |
2030 | 3ccafd0e | Iustin Pop | entry = self.cfg.GetClusterName()
|
2031 | ae5849b5 | Michael Hanselmann | elif field == "master_node": |
2032 | 3ccafd0e | Iustin Pop | entry = self.cfg.GetMasterNode()
|
2033 | 3ccafd0e | Iustin Pop | elif field == "drain_flag": |
2034 | 3ccafd0e | Iustin Pop | entry = os.path.exists(constants.JOB_QUEUE_DRAIN_FILE) |
2035 | ae5849b5 | Michael Hanselmann | else:
|
2036 | ae5849b5 | Michael Hanselmann | raise errors.ParameterError(field)
|
2037 | 3ccafd0e | Iustin Pop | values.append(entry) |
2038 | ae5849b5 | Michael Hanselmann | return values
|
2039 | a8083063 | Iustin Pop | |
2040 | a8083063 | Iustin Pop | |
2041 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
2042 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
2043 | a8083063 | Iustin Pop |
|
2044 | a8083063 | Iustin Pop | """
|
2045 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2046 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
2047 | f22a8ba3 | Guido Trotter | |
2048 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
2049 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
2050 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2051 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2052 | f22a8ba3 | Guido Trotter | |
2053 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
2054 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2055 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
2056 | a8083063 | Iustin Pop | |
2057 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2058 | a8083063 | Iustin Pop | """Check prerequisites.
|
2059 | a8083063 | Iustin Pop |
|
2060 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2061 | a8083063 | Iustin Pop |
|
2062 | a8083063 | Iustin Pop | """
|
2063 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2064 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
2065 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2066 | a8083063 | Iustin Pop | |
2067 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2068 | a8083063 | Iustin Pop | """Activate the disks.
|
2069 | a8083063 | Iustin Pop |
|
2070 | a8083063 | Iustin Pop | """
|
2071 | b9bddb6b | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self, self.instance) |
2072 | a8083063 | Iustin Pop | if not disks_ok: |
2073 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
2074 | a8083063 | Iustin Pop | |
2075 | a8083063 | Iustin Pop | return disks_info
|
2076 | a8083063 | Iustin Pop | |
2077 | a8083063 | Iustin Pop | |
2078 | b9bddb6b | Iustin Pop | def _AssembleInstanceDisks(lu, instance, ignore_secondaries=False): |
2079 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
2080 | a8083063 | Iustin Pop |
|
2081 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
2082 | a8083063 | Iustin Pop |
|
2083 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
2084 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
2085 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
2086 | e4376078 | Iustin Pop | @param instance: the instance for whose disks we assemble
|
2087 | e4376078 | Iustin Pop | @type ignore_secondaries: boolean
|
2088 | e4376078 | Iustin Pop | @param ignore_secondaries: if true, errors on secondary nodes
|
2089 | e4376078 | Iustin Pop | won't result in an error return from the function
|
2090 | e4376078 | Iustin Pop | @return: False if the operation failed, otherwise a list of
|
2091 | e4376078 | Iustin Pop | (host, instance_visible_name, node_visible_name)
|
2092 | e4376078 | Iustin Pop | with the mapping from node devices to instance devices
|
2093 | a8083063 | Iustin Pop |
|
2094 | a8083063 | Iustin Pop | """
|
2095 | a8083063 | Iustin Pop | device_info = [] |
2096 | a8083063 | Iustin Pop | disks_ok = True
|
2097 | fdbd668d | Iustin Pop | iname = instance.name |
2098 | fdbd668d | Iustin Pop | # With the two passes mechanism we try to reduce the window of
|
2099 | fdbd668d | Iustin Pop | # opportunity for the race condition of switching DRBD to primary
|
2100 | fdbd668d | Iustin Pop | # before handshaking occured, but we do not eliminate it
|
2101 | fdbd668d | Iustin Pop | |
2102 | fdbd668d | Iustin Pop | # The proper fix would be to wait (with some limits) until the
|
2103 | fdbd668d | Iustin Pop | # connection has been made and drbd transitions from WFConnection
|
2104 | fdbd668d | Iustin Pop | # into any other network-connected state (Connected, SyncTarget,
|
2105 | fdbd668d | Iustin Pop | # SyncSource, etc.)
|
2106 | fdbd668d | Iustin Pop | |
2107 | fdbd668d | Iustin Pop | # 1st pass, assemble on all nodes in secondary mode
|
2108 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
2109 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
2110 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
2111 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, False)
|
2112 | a8083063 | Iustin Pop | if not result: |
2113 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not prepare block device %s on node %s"
|
2114 | 86d9d3bb | Iustin Pop | " (is_primary=False, pass=1)",
|
2115 | 86d9d3bb | Iustin Pop | inst_disk.iv_name, node) |
2116 | fdbd668d | Iustin Pop | if not ignore_secondaries: |
2117 | a8083063 | Iustin Pop | disks_ok = False
|
2118 | fdbd668d | Iustin Pop | |
2119 | fdbd668d | Iustin Pop | # FIXME: race condition on drbd migration to primary
|
2120 | fdbd668d | Iustin Pop | |
2121 | fdbd668d | Iustin Pop | # 2nd pass, do only the primary node
|
2122 | fdbd668d | Iustin Pop | for inst_disk in instance.disks: |
2123 | fdbd668d | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
2124 | fdbd668d | Iustin Pop | if node != instance.primary_node:
|
2125 | fdbd668d | Iustin Pop | continue
|
2126 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
2127 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, True)
|
2128 | fdbd668d | Iustin Pop | if not result: |
2129 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not prepare block device %s on node %s"
|
2130 | 86d9d3bb | Iustin Pop | " (is_primary=True, pass=2)",
|
2131 | 86d9d3bb | Iustin Pop | inst_disk.iv_name, node) |
2132 | fdbd668d | Iustin Pop | disks_ok = False
|
2133 | fdbd668d | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, result)) |
2134 | a8083063 | Iustin Pop | |
2135 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
2136 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
2137 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
2138 | b352ab5b | Iustin Pop | for disk in instance.disks: |
2139 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, instance.primary_node) |
2140 | b352ab5b | Iustin Pop | |
2141 | a8083063 | Iustin Pop | return disks_ok, device_info
|
2142 | a8083063 | Iustin Pop | |
2143 | a8083063 | Iustin Pop | |
2144 | b9bddb6b | Iustin Pop | def _StartInstanceDisks(lu, instance, force): |
2145 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
2146 | 3ecf6786 | Iustin Pop |
|
2147 | 3ecf6786 | Iustin Pop | """
|
2148 | b9bddb6b | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(lu, instance, |
2149 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
2150 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
2151 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
2152 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
2153 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("", hint="If the message above refers to a" |
2154 | 86d9d3bb | Iustin Pop | " secondary node,"
|
2155 | 86d9d3bb | Iustin Pop | " you can retry the operation using '--force'.")
|
2156 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
2157 | fe7b0351 | Michael Hanselmann | |
2158 | fe7b0351 | Michael Hanselmann | |
2159 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
2160 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
2161 | a8083063 | Iustin Pop |
|
2162 | a8083063 | Iustin Pop | """
|
2163 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2164 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
2165 | f22a8ba3 | Guido Trotter | |
2166 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
2167 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
2168 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2169 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2170 | f22a8ba3 | Guido Trotter | |
2171 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
2172 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2173 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
2174 | a8083063 | Iustin Pop | |
2175 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2176 | a8083063 | Iustin Pop | """Check prerequisites.
|
2177 | a8083063 | Iustin Pop |
|
2178 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2179 | a8083063 | Iustin Pop |
|
2180 | a8083063 | Iustin Pop | """
|
2181 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2182 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
2183 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2184 | a8083063 | Iustin Pop | |
2185 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2186 | a8083063 | Iustin Pop | """Deactivate the disks
|
2187 | a8083063 | Iustin Pop |
|
2188 | a8083063 | Iustin Pop | """
|
2189 | a8083063 | Iustin Pop | instance = self.instance
|
2190 | b9bddb6b | Iustin Pop | _SafeShutdownInstanceDisks(self, instance)
|
2191 | a8083063 | Iustin Pop | |
2192 | a8083063 | Iustin Pop | |
2193 | b9bddb6b | Iustin Pop | def _SafeShutdownInstanceDisks(lu, instance): |
2194 | 155d6c75 | Guido Trotter | """Shutdown block devices of an instance.
|
2195 | 155d6c75 | Guido Trotter |
|
2196 | 155d6c75 | Guido Trotter | This function checks if an instance is running, before calling
|
2197 | 155d6c75 | Guido Trotter | _ShutdownInstanceDisks.
|
2198 | 155d6c75 | Guido Trotter |
|
2199 | 155d6c75 | Guido Trotter | """
|
2200 | 72737a7f | Iustin Pop | ins_l = lu.rpc.call_instance_list([instance.primary_node], |
2201 | 72737a7f | Iustin Pop | [instance.hypervisor]) |
2202 | 155d6c75 | Guido Trotter | ins_l = ins_l[instance.primary_node] |
2203 | 155d6c75 | Guido Trotter | if not type(ins_l) is list: |
2204 | 155d6c75 | Guido Trotter | raise errors.OpExecError("Can't contact node '%s'" % |
2205 | 155d6c75 | Guido Trotter | instance.primary_node) |
2206 | 155d6c75 | Guido Trotter | |
2207 | 155d6c75 | Guido Trotter | if instance.name in ins_l: |
2208 | 155d6c75 | Guido Trotter | raise errors.OpExecError("Instance is running, can't shutdown" |
2209 | 155d6c75 | Guido Trotter | " block devices.")
|
2210 | 155d6c75 | Guido Trotter | |
2211 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
2212 | a8083063 | Iustin Pop | |
2213 | a8083063 | Iustin Pop | |
2214 | b9bddb6b | Iustin Pop | def _ShutdownInstanceDisks(lu, instance, ignore_primary=False): |
2215 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
2216 | a8083063 | Iustin Pop |
|
2217 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
2218 | a8083063 | Iustin Pop |
|
2219 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
2220 | a8083063 | Iustin Pop | ignored.
|
2221 | a8083063 | Iustin Pop |
|
2222 | a8083063 | Iustin Pop | """
|
2223 | a8083063 | Iustin Pop | result = True
|
2224 | a8083063 | Iustin Pop | for disk in instance.disks: |
2225 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
2226 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(top_disk, node) |
2227 | 72737a7f | Iustin Pop | if not lu.rpc.call_blockdev_shutdown(node, top_disk): |
2228 | 9a4f63d1 | Iustin Pop | logging.error("Could not shutdown block device %s on node %s",
|
2229 | 9a4f63d1 | Iustin Pop | disk.iv_name, node) |
2230 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
2231 | a8083063 | Iustin Pop | result = False
|
2232 | a8083063 | Iustin Pop | return result
|
2233 | a8083063 | Iustin Pop | |
2234 | a8083063 | Iustin Pop | |
2235 | b9bddb6b | Iustin Pop | def _CheckNodeFreeMemory(lu, node, reason, requested, hypervisor): |
2236 | d4f16fd9 | Iustin Pop | """Checks if a node has enough free memory.
|
2237 | d4f16fd9 | Iustin Pop |
|
2238 | d4f16fd9 | Iustin Pop | This function check if a given node has the needed amount of free
|
2239 | d4f16fd9 | Iustin Pop | memory. In case the node has less memory or we cannot get the
|
2240 | d4f16fd9 | Iustin Pop | information from the node, this function raise an OpPrereqError
|
2241 | d4f16fd9 | Iustin Pop | exception.
|
2242 | d4f16fd9 | Iustin Pop |
|
2243 | b9bddb6b | Iustin Pop | @type lu: C{LogicalUnit}
|
2244 | b9bddb6b | Iustin Pop | @param lu: a logical unit from which we get configuration data
|
2245 | e69d05fd | Iustin Pop | @type node: C{str}
|
2246 | e69d05fd | Iustin Pop | @param node: the node to check
|
2247 | e69d05fd | Iustin Pop | @type reason: C{str}
|
2248 | e69d05fd | Iustin Pop | @param reason: string to use in the error message
|
2249 | e69d05fd | Iustin Pop | @type requested: C{int}
|
2250 | e69d05fd | Iustin Pop | @param requested: the amount of memory in MiB to check for
|
2251 | e69d05fd | Iustin Pop | @type hypervisor: C{str}
|
2252 | e69d05fd | Iustin Pop | @param hypervisor: the hypervisor to ask for memory stats
|
2253 | e69d05fd | Iustin Pop | @raise errors.OpPrereqError: if the node doesn't have enough memory, or
|
2254 | e69d05fd | Iustin Pop | we cannot check the node
|
2255 | d4f16fd9 | Iustin Pop |
|
2256 | d4f16fd9 | Iustin Pop | """
|
2257 | 72737a7f | Iustin Pop | nodeinfo = lu.rpc.call_node_info([node], lu.cfg.GetVGName(), hypervisor) |
2258 | d4f16fd9 | Iustin Pop | if not nodeinfo or not isinstance(nodeinfo, dict): |
2259 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Could not contact node %s for resource" |
2260 | d4f16fd9 | Iustin Pop | " information" % (node,))
|
2261 | d4f16fd9 | Iustin Pop | |
2262 | d4f16fd9 | Iustin Pop | free_mem = nodeinfo[node].get('memory_free')
|
2263 | d4f16fd9 | Iustin Pop | if not isinstance(free_mem, int): |
2264 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Can't compute free memory on node %s, result" |
2265 | d4f16fd9 | Iustin Pop | " was '%s'" % (node, free_mem))
|
2266 | d4f16fd9 | Iustin Pop | if requested > free_mem:
|
2267 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on node %s for %s:" |
2268 | d4f16fd9 | Iustin Pop | " needed %s MiB, available %s MiB" %
|
2269 | d4f16fd9 | Iustin Pop | (node, reason, requested, free_mem)) |
2270 | d4f16fd9 | Iustin Pop | |
2271 | d4f16fd9 | Iustin Pop | |
2272 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
2273 | a8083063 | Iustin Pop | """Starts an instance.
|
2274 | a8083063 | Iustin Pop |
|
2275 | a8083063 | Iustin Pop | """
|
2276 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
2277 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2278 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
2279 | e873317a | Guido Trotter | REQ_BGL = False
|
2280 | e873317a | Guido Trotter | |
2281 | e873317a | Guido Trotter | def ExpandNames(self): |
2282 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2283 | a8083063 | Iustin Pop | |
2284 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2285 | a8083063 | Iustin Pop | """Build hooks env.
|
2286 | a8083063 | Iustin Pop |
|
2287 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2288 | a8083063 | Iustin Pop |
|
2289 | a8083063 | Iustin Pop | """
|
2290 | a8083063 | Iustin Pop | env = { |
2291 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
2292 | a8083063 | Iustin Pop | } |
2293 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
2294 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2295 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2296 | a8083063 | Iustin Pop | return env, nl, nl
|
2297 | a8083063 | Iustin Pop | |
2298 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2299 | a8083063 | Iustin Pop | """Check prerequisites.
|
2300 | a8083063 | Iustin Pop |
|
2301 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2302 | a8083063 | Iustin Pop |
|
2303 | a8083063 | Iustin Pop | """
|
2304 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2305 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2306 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2307 | a8083063 | Iustin Pop | |
2308 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
2309 | a8083063 | Iustin Pop | # check bridges existance
|
2310 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
2311 | a8083063 | Iustin Pop | |
2312 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, instance.primary_node,
|
2313 | d4f16fd9 | Iustin Pop | "starting instance %s" % instance.name,
|
2314 | 338e51e8 | Iustin Pop | bep[constants.BE_MEMORY], instance.hypervisor) |
2315 | d4f16fd9 | Iustin Pop | |
2316 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2317 | a8083063 | Iustin Pop | """Start the instance.
|
2318 | a8083063 | Iustin Pop |
|
2319 | a8083063 | Iustin Pop | """
|
2320 | a8083063 | Iustin Pop | instance = self.instance
|
2321 | a8083063 | Iustin Pop | force = self.op.force
|
2322 | a8083063 | Iustin Pop | extra_args = getattr(self.op, "extra_args", "") |
2323 | a8083063 | Iustin Pop | |
2324 | fe482621 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
2325 | fe482621 | Iustin Pop | |
2326 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2327 | a8083063 | Iustin Pop | |
2328 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, force)
|
2329 | a8083063 | Iustin Pop | |
2330 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(node_current, instance, extra_args): |
2331 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2332 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
2333 | a8083063 | Iustin Pop | |
2334 | a8083063 | Iustin Pop | |
2335 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
2336 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
2337 | bf6929a2 | Alexander Schreiber |
|
2338 | bf6929a2 | Alexander Schreiber | """
|
2339 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
2340 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
2341 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
2342 | e873317a | Guido Trotter | REQ_BGL = False
|
2343 | e873317a | Guido Trotter | |
2344 | e873317a | Guido Trotter | def ExpandNames(self): |
2345 | 0fcc5db3 | Guido Trotter | if self.op.reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
2346 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
2347 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL]: |
2348 | 0fcc5db3 | Guido Trotter | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
2349 | 0fcc5db3 | Guido Trotter | (constants.INSTANCE_REBOOT_SOFT, |
2350 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
2351 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL)) |
2352 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2353 | bf6929a2 | Alexander Schreiber | |
2354 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
2355 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
2356 | bf6929a2 | Alexander Schreiber |
|
2357 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
2358 | bf6929a2 | Alexander Schreiber |
|
2359 | bf6929a2 | Alexander Schreiber | """
|
2360 | bf6929a2 | Alexander Schreiber | env = { |
2361 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
2362 | bf6929a2 | Alexander Schreiber | } |
2363 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
2364 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2365 | bf6929a2 | Alexander Schreiber | list(self.instance.secondary_nodes)) |
2366 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
2367 | bf6929a2 | Alexander Schreiber | |
2368 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
2369 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
2370 | bf6929a2 | Alexander Schreiber |
|
2371 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
2372 | bf6929a2 | Alexander Schreiber |
|
2373 | bf6929a2 | Alexander Schreiber | """
|
2374 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2375 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2376 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2377 | bf6929a2 | Alexander Schreiber | |
2378 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
2379 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
2380 | bf6929a2 | Alexander Schreiber | |
2381 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
2382 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
2383 | bf6929a2 | Alexander Schreiber |
|
2384 | bf6929a2 | Alexander Schreiber | """
|
2385 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
2386 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
2387 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
2388 | bf6929a2 | Alexander Schreiber | extra_args = getattr(self.op, "extra_args", "") |
2389 | bf6929a2 | Alexander Schreiber | |
2390 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
2391 | bf6929a2 | Alexander Schreiber | |
2392 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
2393 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
2394 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_reboot(node_current, instance, |
2395 | 72737a7f | Iustin Pop | reboot_type, extra_args): |
2396 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not reboot instance") |
2397 | bf6929a2 | Alexander Schreiber | else:
|
2398 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(node_current, instance): |
2399 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("could not shutdown instance for full reboot") |
2400 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2401 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, ignore_secondaries)
|
2402 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(node_current, instance, extra_args): |
2403 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2404 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not start instance for full reboot") |
2405 | bf6929a2 | Alexander Schreiber | |
2406 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
2407 | bf6929a2 | Alexander Schreiber | |
2408 | bf6929a2 | Alexander Schreiber | |
2409 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
2410 | a8083063 | Iustin Pop | """Shutdown an instance.
|
2411 | a8083063 | Iustin Pop |
|
2412 | a8083063 | Iustin Pop | """
|
2413 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
2414 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2415 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2416 | e873317a | Guido Trotter | REQ_BGL = False
|
2417 | e873317a | Guido Trotter | |
2418 | e873317a | Guido Trotter | def ExpandNames(self): |
2419 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2420 | a8083063 | Iustin Pop | |
2421 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2422 | a8083063 | Iustin Pop | """Build hooks env.
|
2423 | a8083063 | Iustin Pop |
|
2424 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2425 | a8083063 | Iustin Pop |
|
2426 | a8083063 | Iustin Pop | """
|
2427 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
2428 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2429 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2430 | a8083063 | Iustin Pop | return env, nl, nl
|
2431 | a8083063 | Iustin Pop | |
2432 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2433 | a8083063 | Iustin Pop | """Check prerequisites.
|
2434 | a8083063 | Iustin Pop |
|
2435 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2436 | a8083063 | Iustin Pop |
|
2437 | a8083063 | Iustin Pop | """
|
2438 | e873317a | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2439 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2440 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2441 | a8083063 | Iustin Pop | |
2442 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2443 | a8083063 | Iustin Pop | """Shutdown the instance.
|
2444 | a8083063 | Iustin Pop |
|
2445 | a8083063 | Iustin Pop | """
|
2446 | a8083063 | Iustin Pop | instance = self.instance
|
2447 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2448 | fe482621 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
2449 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(node_current, instance): |
2450 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Could not shutdown instance") |
2451 | a8083063 | Iustin Pop | |
2452 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2453 | a8083063 | Iustin Pop | |
2454 | a8083063 | Iustin Pop | |
2455 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
2456 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
2457 | fe7b0351 | Michael Hanselmann |
|
2458 | fe7b0351 | Michael Hanselmann | """
|
2459 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
2460 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
2461 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
2462 | 4e0b4d2d | Guido Trotter | REQ_BGL = False
|
2463 | 4e0b4d2d | Guido Trotter | |
2464 | 4e0b4d2d | Guido Trotter | def ExpandNames(self): |
2465 | 4e0b4d2d | Guido Trotter | self._ExpandAndLockInstance()
|
2466 | fe7b0351 | Michael Hanselmann | |
2467 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
2468 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
2469 | fe7b0351 | Michael Hanselmann |
|
2470 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
2471 | fe7b0351 | Michael Hanselmann |
|
2472 | fe7b0351 | Michael Hanselmann | """
|
2473 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
2474 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2475 | fe7b0351 | Michael Hanselmann | list(self.instance.secondary_nodes)) |
2476 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
2477 | fe7b0351 | Michael Hanselmann | |
2478 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
2479 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
2480 | fe7b0351 | Michael Hanselmann |
|
2481 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
2482 | fe7b0351 | Michael Hanselmann |
|
2483 | fe7b0351 | Michael Hanselmann | """
|
2484 | 4e0b4d2d | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2485 | 4e0b4d2d | Guido Trotter | assert instance is not None, \ |
2486 | 4e0b4d2d | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2487 | 4e0b4d2d | Guido Trotter | |
2488 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
2489 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
2490 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2491 | fe7b0351 | Michael Hanselmann | if instance.status != "down": |
2492 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2493 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2494 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
2495 | 72737a7f | Iustin Pop | instance.name, |
2496 | 72737a7f | Iustin Pop | instance.hypervisor) |
2497 | fe7b0351 | Michael Hanselmann | if remote_info:
|
2498 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2499 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
2500 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
2501 | d0834de3 | Michael Hanselmann | |
2502 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
2503 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2504 | d0834de3 | Michael Hanselmann | # OS verification
|
2505 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
2506 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
2507 | d0834de3 | Michael Hanselmann | if pnode is None: |
2508 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2509 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2510 | 72737a7f | Iustin Pop | os_obj = self.rpc.call_os_get(pnode.name, self.op.os_type) |
2511 | dfa96ded | Guido Trotter | if not os_obj: |
2512 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported OS list for" |
2513 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2514 | d0834de3 | Michael Hanselmann | |
2515 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
2516 | fe7b0351 | Michael Hanselmann | |
2517 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
2518 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
2519 | fe7b0351 | Michael Hanselmann |
|
2520 | fe7b0351 | Michael Hanselmann | """
|
2521 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
2522 | fe7b0351 | Michael Hanselmann | |
2523 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2524 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
2525 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
2526 | 97abc79f | Iustin Pop | self.cfg.Update(inst)
|
2527 | d0834de3 | Michael Hanselmann | |
2528 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
2529 | fe7b0351 | Michael Hanselmann | try:
|
2530 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
2531 | bb2ee932 | Iustin Pop | if not self.rpc.call_instance_os_add(inst.primary_node, inst): |
2532 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Could not install OS for instance %s" |
2533 | f4bc1f2c | Michael Hanselmann | " on node %s" %
|
2534 | 3ecf6786 | Iustin Pop | (inst.name, inst.primary_node)) |
2535 | fe7b0351 | Michael Hanselmann | finally:
|
2536 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
2537 | fe7b0351 | Michael Hanselmann | |
2538 | fe7b0351 | Michael Hanselmann | |
2539 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
2540 | decd5f45 | Iustin Pop | """Rename an instance.
|
2541 | decd5f45 | Iustin Pop |
|
2542 | decd5f45 | Iustin Pop | """
|
2543 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
2544 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2545 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
2546 | decd5f45 | Iustin Pop | |
2547 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
2548 | decd5f45 | Iustin Pop | """Build hooks env.
|
2549 | decd5f45 | Iustin Pop |
|
2550 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2551 | decd5f45 | Iustin Pop |
|
2552 | decd5f45 | Iustin Pop | """
|
2553 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
2554 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
2555 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2556 | decd5f45 | Iustin Pop | list(self.instance.secondary_nodes)) |
2557 | decd5f45 | Iustin Pop | return env, nl, nl
|
2558 | decd5f45 | Iustin Pop | |
2559 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
2560 | decd5f45 | Iustin Pop | """Check prerequisites.
|
2561 | decd5f45 | Iustin Pop |
|
2562 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
2563 | decd5f45 | Iustin Pop |
|
2564 | decd5f45 | Iustin Pop | """
|
2565 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2566 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2567 | decd5f45 | Iustin Pop | if instance is None: |
2568 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2569 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2570 | decd5f45 | Iustin Pop | if instance.status != "down": |
2571 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2572 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2573 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
2574 | 72737a7f | Iustin Pop | instance.name, |
2575 | 72737a7f | Iustin Pop | instance.hypervisor) |
2576 | decd5f45 | Iustin Pop | if remote_info:
|
2577 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2578 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
2579 | decd5f45 | Iustin Pop | instance.primary_node)) |
2580 | decd5f45 | Iustin Pop | self.instance = instance
|
2581 | decd5f45 | Iustin Pop | |
2582 | decd5f45 | Iustin Pop | # new name verification
|
2583 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
2584 | decd5f45 | Iustin Pop | |
2585 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
2586 | 7bde3275 | Guido Trotter | instance_list = self.cfg.GetInstanceList()
|
2587 | 7bde3275 | Guido Trotter | if new_name in instance_list: |
2588 | 7bde3275 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
2589 | c09f363f | Manuel Franceschini | new_name) |
2590 | 7bde3275 | Guido Trotter | |
2591 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
2592 | 937f983d | Guido Trotter | if utils.TcpPing(name_info.ip, constants.DEFAULT_NODED_PORT):
|
2593 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
2594 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
2595 | decd5f45 | Iustin Pop | |
2596 | decd5f45 | Iustin Pop | |
2597 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
2598 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
2599 | decd5f45 | Iustin Pop |
|
2600 | decd5f45 | Iustin Pop | """
|
2601 | decd5f45 | Iustin Pop | inst = self.instance
|
2602 | decd5f45 | Iustin Pop | old_name = inst.name |
2603 | decd5f45 | Iustin Pop | |
2604 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2605 | b23c4333 | Manuel Franceschini | old_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2606 | b23c4333 | Manuel Franceschini | |
2607 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
2608 | 74b5913f | Guido Trotter | # Change the instance lock. This is definitely safe while we hold the BGL
|
2609 | cb4e8387 | Iustin Pop | self.context.glm.remove(locking.LEVEL_INSTANCE, old_name)
|
2610 | 74b5913f | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, self.op.new_name) |
2611 | decd5f45 | Iustin Pop | |
2612 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
2613 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
2614 | decd5f45 | Iustin Pop | |
2615 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2616 | b23c4333 | Manuel Franceschini | new_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2617 | 72737a7f | Iustin Pop | result = self.rpc.call_file_storage_dir_rename(inst.primary_node,
|
2618 | 72737a7f | Iustin Pop | old_file_storage_dir, |
2619 | 72737a7f | Iustin Pop | new_file_storage_dir) |
2620 | b23c4333 | Manuel Franceschini | |
2621 | b23c4333 | Manuel Franceschini | if not result: |
2622 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not connect to node '%s' to rename" |
2623 | b23c4333 | Manuel Franceschini | " directory '%s' to '%s' (but the instance"
|
2624 | b23c4333 | Manuel Franceschini | " has been renamed in Ganeti)" % (
|
2625 | b23c4333 | Manuel Franceschini | inst.primary_node, old_file_storage_dir, |
2626 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2627 | b23c4333 | Manuel Franceschini | |
2628 | b23c4333 | Manuel Franceschini | if not result[0]: |
2629 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not rename directory '%s' to '%s'" |
2630 | b23c4333 | Manuel Franceschini | " (but the instance has been renamed in"
|
2631 | b23c4333 | Manuel Franceschini | " Ganeti)" % (old_file_storage_dir,
|
2632 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2633 | b23c4333 | Manuel Franceschini | |
2634 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
2635 | decd5f45 | Iustin Pop | try:
|
2636 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_run_rename(inst.primary_node, inst, |
2637 | d15a9ad3 | Guido Trotter | old_name): |
2638 | 6291574d | Alexander Schreiber | msg = ("Could not run OS rename script for instance %s on node %s"
|
2639 | 6291574d | Alexander Schreiber | " (but the instance has been renamed in Ganeti)" %
|
2640 | decd5f45 | Iustin Pop | (inst.name, inst.primary_node)) |
2641 | 86d9d3bb | Iustin Pop | self.proc.LogWarning(msg)
|
2642 | decd5f45 | Iustin Pop | finally:
|
2643 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
2644 | decd5f45 | Iustin Pop | |
2645 | decd5f45 | Iustin Pop | |
2646 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
2647 | a8083063 | Iustin Pop | """Remove an instance.
|
2648 | a8083063 | Iustin Pop |
|
2649 | a8083063 | Iustin Pop | """
|
2650 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
2651 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2652 | 5c54b832 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_failures"] |
2653 | cf472233 | Guido Trotter | REQ_BGL = False
|
2654 | cf472233 | Guido Trotter | |
2655 | cf472233 | Guido Trotter | def ExpandNames(self): |
2656 | cf472233 | Guido Trotter | self._ExpandAndLockInstance()
|
2657 | cf472233 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2658 | cf472233 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2659 | cf472233 | Guido Trotter | |
2660 | cf472233 | Guido Trotter | def DeclareLocks(self, level): |
2661 | cf472233 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2662 | cf472233 | Guido Trotter | self._LockInstancesNodes()
|
2663 | a8083063 | Iustin Pop | |
2664 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2665 | a8083063 | Iustin Pop | """Build hooks env.
|
2666 | a8083063 | Iustin Pop |
|
2667 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2668 | a8083063 | Iustin Pop |
|
2669 | a8083063 | Iustin Pop | """
|
2670 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
2671 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()]
|
2672 | a8083063 | Iustin Pop | return env, nl, nl
|
2673 | a8083063 | Iustin Pop | |
2674 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2675 | a8083063 | Iustin Pop | """Check prerequisites.
|
2676 | a8083063 | Iustin Pop |
|
2677 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2678 | a8083063 | Iustin Pop |
|
2679 | a8083063 | Iustin Pop | """
|
2680 | cf472233 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2681 | cf472233 | Guido Trotter | assert self.instance is not None, \ |
2682 | cf472233 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2683 | a8083063 | Iustin Pop | |
2684 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2685 | a8083063 | Iustin Pop | """Remove the instance.
|
2686 | a8083063 | Iustin Pop |
|
2687 | a8083063 | Iustin Pop | """
|
2688 | a8083063 | Iustin Pop | instance = self.instance
|
2689 | 9a4f63d1 | Iustin Pop | logging.info("Shutting down instance %s on node %s",
|
2690 | 9a4f63d1 | Iustin Pop | instance.name, instance.primary_node) |
2691 | a8083063 | Iustin Pop | |
2692 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(instance.primary_node, instance): |
2693 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2694 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't shutdown instance")
|
2695 | 1d67656e | Iustin Pop | else:
|
2696 | 1d67656e | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2697 | 1d67656e | Iustin Pop | (instance.name, instance.primary_node)) |
2698 | a8083063 | Iustin Pop | |
2699 | 9a4f63d1 | Iustin Pop | logging.info("Removing block devices for instance %s", instance.name)
|
2700 | a8083063 | Iustin Pop | |
2701 | b9bddb6b | Iustin Pop | if not _RemoveDisks(self, instance): |
2702 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2703 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
2704 | 1d67656e | Iustin Pop | else:
|
2705 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
2706 | a8083063 | Iustin Pop | |
2707 | 9a4f63d1 | Iustin Pop | logging.info("Removing instance %s out of cluster config", instance.name)
|
2708 | a8083063 | Iustin Pop | |
2709 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
2710 | cf472233 | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = instance.name
|
2711 | a8083063 | Iustin Pop | |
2712 | a8083063 | Iustin Pop | |
2713 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
2714 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
2715 | a8083063 | Iustin Pop |
|
2716 | a8083063 | Iustin Pop | """
|
2717 | 069dcc86 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
2718 | 7eb9d8f7 | Guido Trotter | REQ_BGL = False
|
2719 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet(*["name", "os", "pnode", "snodes", |
2720 | a2d2e1a7 | Iustin Pop | "admin_state", "admin_ram", |
2721 | a2d2e1a7 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
2722 | a2d2e1a7 | Iustin Pop | "sda_size", "sdb_size", "vcpus", "tags", |
2723 | a2d2e1a7 | Iustin Pop | "network_port", "beparams", |
2724 | a2d2e1a7 | Iustin Pop | "(disk).(size)/([0-9]+)",
|
2725 | a2d2e1a7 | Iustin Pop | "(disk).(sizes)",
|
2726 | a2d2e1a7 | Iustin Pop | "(nic).(mac|ip|bridge)/([0-9]+)",
|
2727 | a2d2e1a7 | Iustin Pop | "(nic).(macs|ips|bridges)",
|
2728 | a2d2e1a7 | Iustin Pop | "(disk|nic).(count)",
|
2729 | a2d2e1a7 | Iustin Pop | "serial_no", "hypervisor", "hvparams",] + |
2730 | a2d2e1a7 | Iustin Pop | ["hv/%s" % name
|
2731 | a2d2e1a7 | Iustin Pop | for name in constants.HVS_PARAMETERS] + |
2732 | a2d2e1a7 | Iustin Pop | ["be/%s" % name
|
2733 | a2d2e1a7 | Iustin Pop | for name in constants.BES_PARAMETERS]) |
2734 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("oper_state", "oper_ram", "status") |
2735 | 31bf511f | Iustin Pop | |
2736 | a8083063 | Iustin Pop | |
2737 | 7eb9d8f7 | Guido Trotter | def ExpandNames(self): |
2738 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2739 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2740 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2741 | a8083063 | Iustin Pop | |
2742 | 7eb9d8f7 | Guido Trotter | self.needed_locks = {}
|
2743 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
2744 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
2745 | 7eb9d8f7 | Guido Trotter | |
2746 | 57a2fb91 | Iustin Pop | if self.op.names: |
2747 | 57a2fb91 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
2748 | 7eb9d8f7 | Guido Trotter | else:
|
2749 | 57a2fb91 | Iustin Pop | self.wanted = locking.ALL_SET
|
2750 | 7eb9d8f7 | Guido Trotter | |
2751 | 31bf511f | Iustin Pop | self.do_locking = self._FIELDS_STATIC.NonMatching(self.op.output_fields) |
2752 | 57a2fb91 | Iustin Pop | if self.do_locking: |
2753 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted |
2754 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
2755 | 57a2fb91 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2756 | 7eb9d8f7 | Guido Trotter | |
2757 | 7eb9d8f7 | Guido Trotter | def DeclareLocks(self, level): |
2758 | 57a2fb91 | Iustin Pop | if level == locking.LEVEL_NODE and self.do_locking: |
2759 | 7eb9d8f7 | Guido Trotter | self._LockInstancesNodes()
|
2760 | 7eb9d8f7 | Guido Trotter | |
2761 | 7eb9d8f7 | Guido Trotter | def CheckPrereq(self): |
2762 | 7eb9d8f7 | Guido Trotter | """Check prerequisites.
|
2763 | 7eb9d8f7 | Guido Trotter |
|
2764 | 7eb9d8f7 | Guido Trotter | """
|
2765 | 57a2fb91 | Iustin Pop | pass
|
2766 | 069dcc86 | Iustin Pop | |
2767 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2768 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2769 | a8083063 | Iustin Pop |
|
2770 | a8083063 | Iustin Pop | """
|
2771 | 57a2fb91 | Iustin Pop | all_info = self.cfg.GetAllInstancesInfo()
|
2772 | 57a2fb91 | Iustin Pop | if self.do_locking: |
2773 | 57a2fb91 | Iustin Pop | instance_names = self.acquired_locks[locking.LEVEL_INSTANCE]
|
2774 | 3fa93523 | Guido Trotter | elif self.wanted != locking.ALL_SET: |
2775 | 3fa93523 | Guido Trotter | instance_names = self.wanted
|
2776 | 3fa93523 | Guido Trotter | missing = set(instance_names).difference(all_info.keys())
|
2777 | 3fa93523 | Guido Trotter | if missing:
|
2778 | 7b3a8fb5 | Iustin Pop | raise errors.OpExecError(
|
2779 | 3fa93523 | Guido Trotter | "Some instances were removed before retrieving their data: %s"
|
2780 | 3fa93523 | Guido Trotter | % missing) |
2781 | 57a2fb91 | Iustin Pop | else:
|
2782 | 57a2fb91 | Iustin Pop | instance_names = all_info.keys() |
2783 | c1f1cbb2 | Iustin Pop | |
2784 | c1f1cbb2 | Iustin Pop | instance_names = utils.NiceSort(instance_names) |
2785 | 57a2fb91 | Iustin Pop | instance_list = [all_info[iname] for iname in instance_names] |
2786 | a8083063 | Iustin Pop | |
2787 | a8083063 | Iustin Pop | # begin data gathering
|
2788 | a8083063 | Iustin Pop | |
2789 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
2790 | e69d05fd | Iustin Pop | hv_list = list(set([inst.hypervisor for inst in instance_list])) |
2791 | a8083063 | Iustin Pop | |
2792 | a8083063 | Iustin Pop | bad_nodes = [] |
2793 | 31bf511f | Iustin Pop | if self.do_locking: |
2794 | a8083063 | Iustin Pop | live_data = {} |
2795 | 72737a7f | Iustin Pop | node_data = self.rpc.call_all_instances_info(nodes, hv_list)
|
2796 | a8083063 | Iustin Pop | for name in nodes: |
2797 | a8083063 | Iustin Pop | result = node_data[name] |
2798 | a8083063 | Iustin Pop | if result:
|
2799 | a8083063 | Iustin Pop | live_data.update(result) |
2800 | a8083063 | Iustin Pop | elif result == False: |
2801 | a8083063 | Iustin Pop | bad_nodes.append(name) |
2802 | a8083063 | Iustin Pop | # else no instance is alive
|
2803 | a8083063 | Iustin Pop | else:
|
2804 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
2805 | a8083063 | Iustin Pop | |
2806 | a8083063 | Iustin Pop | # end data gathering
|
2807 | a8083063 | Iustin Pop | |
2808 | 5018a335 | Iustin Pop | HVPREFIX = "hv/"
|
2809 | 338e51e8 | Iustin Pop | BEPREFIX = "be/"
|
2810 | a8083063 | Iustin Pop | output = [] |
2811 | a8083063 | Iustin Pop | for instance in instance_list: |
2812 | a8083063 | Iustin Pop | iout = [] |
2813 | 5018a335 | Iustin Pop | i_hv = self.cfg.GetClusterInfo().FillHV(instance)
|
2814 | 338e51e8 | Iustin Pop | i_be = self.cfg.GetClusterInfo().FillBE(instance)
|
2815 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2816 | 71c1af58 | Iustin Pop | st_match = self._FIELDS_STATIC.Matches(field)
|
2817 | a8083063 | Iustin Pop | if field == "name": |
2818 | a8083063 | Iustin Pop | val = instance.name |
2819 | a8083063 | Iustin Pop | elif field == "os": |
2820 | a8083063 | Iustin Pop | val = instance.os |
2821 | a8083063 | Iustin Pop | elif field == "pnode": |
2822 | a8083063 | Iustin Pop | val = instance.primary_node |
2823 | a8083063 | Iustin Pop | elif field == "snodes": |
2824 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
2825 | a8083063 | Iustin Pop | elif field == "admin_state": |
2826 | 8a23d2d3 | Iustin Pop | val = (instance.status != "down")
|
2827 | a8083063 | Iustin Pop | elif field == "oper_state": |
2828 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2829 | 8a23d2d3 | Iustin Pop | val = None
|
2830 | a8083063 | Iustin Pop | else:
|
2831 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
2832 | d8052456 | Iustin Pop | elif field == "status": |
2833 | d8052456 | Iustin Pop | if instance.primary_node in bad_nodes: |
2834 | d8052456 | Iustin Pop | val = "ERROR_nodedown"
|
2835 | d8052456 | Iustin Pop | else:
|
2836 | d8052456 | Iustin Pop | running = bool(live_data.get(instance.name))
|
2837 | d8052456 | Iustin Pop | if running:
|
2838 | d8052456 | Iustin Pop | if instance.status != "down": |
2839 | d8052456 | Iustin Pop | val = "running"
|
2840 | d8052456 | Iustin Pop | else:
|
2841 | d8052456 | Iustin Pop | val = "ERROR_up"
|
2842 | d8052456 | Iustin Pop | else:
|
2843 | d8052456 | Iustin Pop | if instance.status != "down": |
2844 | d8052456 | Iustin Pop | val = "ERROR_down"
|
2845 | d8052456 | Iustin Pop | else:
|
2846 | d8052456 | Iustin Pop | val = "ADMIN_down"
|
2847 | a8083063 | Iustin Pop | elif field == "oper_ram": |
2848 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2849 | 8a23d2d3 | Iustin Pop | val = None
|
2850 | a8083063 | Iustin Pop | elif instance.name in live_data: |
2851 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
2852 | a8083063 | Iustin Pop | else:
|
2853 | a8083063 | Iustin Pop | val = "-"
|
2854 | a8083063 | Iustin Pop | elif field == "disk_template": |
2855 | a8083063 | Iustin Pop | val = instance.disk_template |
2856 | a8083063 | Iustin Pop | elif field == "ip": |
2857 | a8083063 | Iustin Pop | val = instance.nics[0].ip
|
2858 | a8083063 | Iustin Pop | elif field == "bridge": |
2859 | a8083063 | Iustin Pop | val = instance.nics[0].bridge
|
2860 | a8083063 | Iustin Pop | elif field == "mac": |
2861 | a8083063 | Iustin Pop | val = instance.nics[0].mac
|
2862 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
2863 | ad24e046 | Iustin Pop | idx = ord(field[2]) - ord('a') |
2864 | ad24e046 | Iustin Pop | try:
|
2865 | ad24e046 | Iustin Pop | val = instance.FindDisk(idx).size |
2866 | ad24e046 | Iustin Pop | except errors.OpPrereqError:
|
2867 | 8a23d2d3 | Iustin Pop | val = None
|
2868 | 130a6a6f | Iustin Pop | elif field == "tags": |
2869 | 130a6a6f | Iustin Pop | val = list(instance.GetTags())
|
2870 | 38d7239a | Iustin Pop | elif field == "serial_no": |
2871 | 38d7239a | Iustin Pop | val = instance.serial_no |
2872 | 5018a335 | Iustin Pop | elif field == "network_port": |
2873 | 5018a335 | Iustin Pop | val = instance.network_port |
2874 | 338e51e8 | Iustin Pop | elif field == "hypervisor": |
2875 | 338e51e8 | Iustin Pop | val = instance.hypervisor |
2876 | 338e51e8 | Iustin Pop | elif field == "hvparams": |
2877 | 338e51e8 | Iustin Pop | val = i_hv |
2878 | 5018a335 | Iustin Pop | elif (field.startswith(HVPREFIX) and |
2879 | 5018a335 | Iustin Pop | field[len(HVPREFIX):] in constants.HVS_PARAMETERS): |
2880 | 5018a335 | Iustin Pop | val = i_hv.get(field[len(HVPREFIX):], None) |
2881 | 338e51e8 | Iustin Pop | elif field == "beparams": |
2882 | 338e51e8 | Iustin Pop | val = i_be |
2883 | 338e51e8 | Iustin Pop | elif (field.startswith(BEPREFIX) and |
2884 | 338e51e8 | Iustin Pop | field[len(BEPREFIX):] in constants.BES_PARAMETERS): |
2885 | 338e51e8 | Iustin Pop | val = i_be.get(field[len(BEPREFIX):], None) |
2886 | 71c1af58 | Iustin Pop | elif st_match and st_match.groups(): |
2887 | 71c1af58 | Iustin Pop | # matches a variable list
|
2888 | 71c1af58 | Iustin Pop | st_groups = st_match.groups() |
2889 | 71c1af58 | Iustin Pop | if st_groups and st_groups[0] == "disk": |
2890 | 71c1af58 | Iustin Pop | if st_groups[1] == "count": |
2891 | 71c1af58 | Iustin Pop | val = len(instance.disks)
|
2892 | 41a776da | Iustin Pop | elif st_groups[1] == "sizes": |
2893 | 41a776da | Iustin Pop | val = [disk.size for disk in instance.disks] |
2894 | 71c1af58 | Iustin Pop | elif st_groups[1] == "size": |
2895 | 3e0cea06 | Iustin Pop | try:
|
2896 | 3e0cea06 | Iustin Pop | val = instance.FindDisk(st_groups[2]).size
|
2897 | 3e0cea06 | Iustin Pop | except errors.OpPrereqError:
|
2898 | 71c1af58 | Iustin Pop | val = None
|
2899 | 71c1af58 | Iustin Pop | else:
|
2900 | 71c1af58 | Iustin Pop | assert False, "Unhandled disk parameter" |
2901 | 71c1af58 | Iustin Pop | elif st_groups[0] == "nic": |
2902 | 71c1af58 | Iustin Pop | if st_groups[1] == "count": |
2903 | 71c1af58 | Iustin Pop | val = len(instance.nics)
|
2904 | 41a776da | Iustin Pop | elif st_groups[1] == "macs": |
2905 | 41a776da | Iustin Pop | val = [nic.mac for nic in instance.nics] |
2906 | 41a776da | Iustin Pop | elif st_groups[1] == "ips": |
2907 | 41a776da | Iustin Pop | val = [nic.ip for nic in instance.nics] |
2908 | 41a776da | Iustin Pop | elif st_groups[1] == "bridges": |
2909 | 41a776da | Iustin Pop | val = [nic.bridge for nic in instance.nics] |
2910 | 71c1af58 | Iustin Pop | else:
|
2911 | 71c1af58 | Iustin Pop | # index-based item
|
2912 | 71c1af58 | Iustin Pop | nic_idx = int(st_groups[2]) |
2913 | 71c1af58 | Iustin Pop | if nic_idx >= len(instance.nics): |
2914 | 71c1af58 | Iustin Pop | val = None
|
2915 | 71c1af58 | Iustin Pop | else:
|
2916 | 71c1af58 | Iustin Pop | if st_groups[1] == "mac": |
2917 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].mac |
2918 | 71c1af58 | Iustin Pop | elif st_groups[1] == "ip": |
2919 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].ip |
2920 | 71c1af58 | Iustin Pop | elif st_groups[1] == "bridge": |
2921 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].bridge |
2922 | 71c1af58 | Iustin Pop | else:
|
2923 | 71c1af58 | Iustin Pop | assert False, "Unhandled NIC parameter" |
2924 | 71c1af58 | Iustin Pop | else:
|
2925 | 71c1af58 | Iustin Pop | assert False, "Unhandled variable parameter" |
2926 | a8083063 | Iustin Pop | else:
|
2927 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2928 | a8083063 | Iustin Pop | iout.append(val) |
2929 | a8083063 | Iustin Pop | output.append(iout) |
2930 | a8083063 | Iustin Pop | |
2931 | a8083063 | Iustin Pop | return output
|
2932 | a8083063 | Iustin Pop | |
2933 | a8083063 | Iustin Pop | |
2934 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
2935 | a8083063 | Iustin Pop | """Failover an instance.
|
2936 | a8083063 | Iustin Pop |
|
2937 | a8083063 | Iustin Pop | """
|
2938 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
2939 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2940 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
2941 | c9e5c064 | Guido Trotter | REQ_BGL = False
|
2942 | c9e5c064 | Guido Trotter | |
2943 | c9e5c064 | Guido Trotter | def ExpandNames(self): |
2944 | c9e5c064 | Guido Trotter | self._ExpandAndLockInstance()
|
2945 | c9e5c064 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2946 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2947 | c9e5c064 | Guido Trotter | |
2948 | c9e5c064 | Guido Trotter | def DeclareLocks(self, level): |
2949 | c9e5c064 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2950 | c9e5c064 | Guido Trotter | self._LockInstancesNodes()
|
2951 | a8083063 | Iustin Pop | |
2952 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2953 | a8083063 | Iustin Pop | """Build hooks env.
|
2954 | a8083063 | Iustin Pop |
|
2955 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2956 | a8083063 | Iustin Pop |
|
2957 | a8083063 | Iustin Pop | """
|
2958 | a8083063 | Iustin Pop | env = { |
2959 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
2960 | a8083063 | Iustin Pop | } |
2961 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
2962 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()] + list(self.instance.secondary_nodes) |
2963 | a8083063 | Iustin Pop | return env, nl, nl
|
2964 | a8083063 | Iustin Pop | |
2965 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2966 | a8083063 | Iustin Pop | """Check prerequisites.
|
2967 | a8083063 | Iustin Pop |
|
2968 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2969 | a8083063 | Iustin Pop |
|
2970 | a8083063 | Iustin Pop | """
|
2971 | c9e5c064 | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2972 | c9e5c064 | Guido Trotter | assert self.instance is not None, \ |
2973 | c9e5c064 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2974 | a8083063 | Iustin Pop | |
2975 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
2976 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
2977 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
2978 | a1f445d3 | Iustin Pop | " network mirrored, cannot failover.")
|
2979 | 2a710df1 | Michael Hanselmann | |
2980 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
2981 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
2982 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
2983 | abdf0113 | Iustin Pop | "a mirrored disk template")
|
2984 | 2a710df1 | Michael Hanselmann | |
2985 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
2986 | d4f16fd9 | Iustin Pop | # check memory requirements on the secondary node
|
2987 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "failing over instance %s" % |
2988 | 338e51e8 | Iustin Pop | instance.name, bep[constants.BE_MEMORY], |
2989 | e69d05fd | Iustin Pop | instance.hypervisor) |
2990 | 3a7c308e | Guido Trotter | |
2991 | a8083063 | Iustin Pop | # check bridge existance
|
2992 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
2993 | 72737a7f | Iustin Pop | if not self.rpc.call_bridges_exist(target_node, brlist): |
2994 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
2995 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
2996 | 50ff9a7a | Iustin Pop | (brlist, target_node)) |
2997 | a8083063 | Iustin Pop | |
2998 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2999 | a8083063 | Iustin Pop | """Failover an instance.
|
3000 | a8083063 | Iustin Pop |
|
3001 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
3002 | a8083063 | Iustin Pop | starting it on the secondary.
|
3003 | a8083063 | Iustin Pop |
|
3004 | a8083063 | Iustin Pop | """
|
3005 | a8083063 | Iustin Pop | instance = self.instance
|
3006 | a8083063 | Iustin Pop | |
3007 | a8083063 | Iustin Pop | source_node = instance.primary_node |
3008 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
3009 | a8083063 | Iustin Pop | |
3010 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
3011 | a8083063 | Iustin Pop | for dev in instance.disks: |
3012 | abdf0113 | Iustin Pop | # for drbd, these are drbd over lvm
|
3013 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, target_node, False): |
3014 | a0aaa0d0 | Guido Trotter | if instance.status == "up" and not self.op.ignore_consistency: |
3015 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
3016 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
3017 | a8083063 | Iustin Pop | |
3018 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
3019 | 9a4f63d1 | Iustin Pop | logging.info("Shutting down instance %s on node %s",
|
3020 | 9a4f63d1 | Iustin Pop | instance.name, source_node) |
3021 | a8083063 | Iustin Pop | |
3022 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(source_node, instance): |
3023 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
3024 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Could not shutdown instance %s on node %s." |
3025 | 86d9d3bb | Iustin Pop | " Proceeding"
|
3026 | 86d9d3bb | Iustin Pop | " anyway. Please make sure node %s is down",
|
3027 | 86d9d3bb | Iustin Pop | instance.name, source_node, source_node) |
3028 | 24a40d57 | Iustin Pop | else:
|
3029 | 24a40d57 | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
3030 | 24a40d57 | Iustin Pop | (instance.name, source_node)) |
3031 | a8083063 | Iustin Pop | |
3032 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
3033 | b9bddb6b | Iustin Pop | if not _ShutdownInstanceDisks(self, instance, ignore_primary=True): |
3034 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
3035 | a8083063 | Iustin Pop | |
3036 | a8083063 | Iustin Pop | instance.primary_node = target_node |
3037 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
3038 | b6102dab | Guido Trotter | self.cfg.Update(instance)
|
3039 | a8083063 | Iustin Pop | |
3040 | 12a0cfbe | Guido Trotter | # Only start the instance if it's marked as up
|
3041 | 12a0cfbe | Guido Trotter | if instance.status == "up": |
3042 | 12a0cfbe | Guido Trotter | feedback_fn("* activating the instance's disks on target node")
|
3043 | 9a4f63d1 | Iustin Pop | logging.info("Starting instance %s on node %s",
|
3044 | 9a4f63d1 | Iustin Pop | instance.name, target_node) |
3045 | 12a0cfbe | Guido Trotter | |
3046 | b9bddb6b | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(self, instance,
|
3047 | 12a0cfbe | Guido Trotter | ignore_secondaries=True)
|
3048 | 12a0cfbe | Guido Trotter | if not disks_ok: |
3049 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3050 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Can't activate the instance's disks") |
3051 | a8083063 | Iustin Pop | |
3052 | 12a0cfbe | Guido Trotter | feedback_fn("* starting the instance on the target node")
|
3053 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(target_node, instance, None): |
3054 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3055 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Could not start instance %s on node %s." % |
3056 | 12a0cfbe | Guido Trotter | (instance.name, target_node)) |
3057 | a8083063 | Iustin Pop | |
3058 | a8083063 | Iustin Pop | |
3059 | b9bddb6b | Iustin Pop | def _CreateBlockDevOnPrimary(lu, node, instance, device, info): |
3060 | a8083063 | Iustin Pop | """Create a tree of block devices on the primary node.
|
3061 | a8083063 | Iustin Pop |
|
3062 | a8083063 | Iustin Pop | This always creates all devices.
|
3063 | a8083063 | Iustin Pop |
|
3064 | a8083063 | Iustin Pop | """
|
3065 | a8083063 | Iustin Pop | if device.children:
|
3066 | a8083063 | Iustin Pop | for child in device.children: |
3067 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(lu, node, instance, child, info): |
3068 | a8083063 | Iustin Pop | return False |
3069 | a8083063 | Iustin Pop | |
3070 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(device, node) |
3071 | 72737a7f | Iustin Pop | new_id = lu.rpc.call_blockdev_create(node, device, device.size, |
3072 | 72737a7f | Iustin Pop | instance.name, True, info)
|
3073 | a8083063 | Iustin Pop | if not new_id: |
3074 | a8083063 | Iustin Pop | return False |
3075 | a8083063 | Iustin Pop | if device.physical_id is None: |
3076 | a8083063 | Iustin Pop | device.physical_id = new_id |
3077 | a8083063 | Iustin Pop | return True |
3078 | a8083063 | Iustin Pop | |
3079 | a8083063 | Iustin Pop | |
3080 | b9bddb6b | Iustin Pop | def _CreateBlockDevOnSecondary(lu, node, instance, device, force, info): |
3081 | a8083063 | Iustin Pop | """Create a tree of block devices on a secondary node.
|
3082 | a8083063 | Iustin Pop |
|
3083 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
3084 | a8083063 | Iustin Pop | all its children.
|
3085 | a8083063 | Iustin Pop |
|
3086 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
3087 | a8083063 | Iustin Pop |
|
3088 | a8083063 | Iustin Pop | """
|
3089 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
3090 | a8083063 | Iustin Pop | force = True
|
3091 | a8083063 | Iustin Pop | if device.children:
|
3092 | a8083063 | Iustin Pop | for child in device.children: |
3093 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(lu, node, instance, |
3094 | 3f78eef2 | Iustin Pop | child, force, info): |
3095 | a8083063 | Iustin Pop | return False |
3096 | a8083063 | Iustin Pop | |
3097 | a8083063 | Iustin Pop | if not force: |
3098 | a8083063 | Iustin Pop | return True |
3099 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(device, node) |
3100 | 72737a7f | Iustin Pop | new_id = lu.rpc.call_blockdev_create(node, device, device.size, |
3101 | 72737a7f | Iustin Pop | instance.name, False, info)
|
3102 | a8083063 | Iustin Pop | if not new_id: |
3103 | a8083063 | Iustin Pop | return False |
3104 | a8083063 | Iustin Pop | if device.physical_id is None: |
3105 | a8083063 | Iustin Pop | device.physical_id = new_id |
3106 | a8083063 | Iustin Pop | return True |
3107 | a8083063 | Iustin Pop | |
3108 | a8083063 | Iustin Pop | |
3109 | b9bddb6b | Iustin Pop | def _GenerateUniqueNames(lu, exts): |
3110 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
3111 | 923b1523 | Iustin Pop |
|
3112 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
3113 | 923b1523 | Iustin Pop |
|
3114 | 923b1523 | Iustin Pop | """
|
3115 | 923b1523 | Iustin Pop | results = [] |
3116 | 923b1523 | Iustin Pop | for val in exts: |
3117 | b9bddb6b | Iustin Pop | new_id = lu.cfg.GenerateUniqueID() |
3118 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
3119 | 923b1523 | Iustin Pop | return results
|
3120 | 923b1523 | Iustin Pop | |
3121 | 923b1523 | Iustin Pop | |
3122 | b9bddb6b | Iustin Pop | def _GenerateDRBD8Branch(lu, primary, secondary, size, names, iv_name, |
3123 | ffa1c0dc | Iustin Pop | p_minor, s_minor): |
3124 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
3125 | a1f445d3 | Iustin Pop |
|
3126 | a1f445d3 | Iustin Pop | """
|
3127 | b9bddb6b | Iustin Pop | port = lu.cfg.AllocatePort() |
3128 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
3129 | b9bddb6b | Iustin Pop | shared_secret = lu.cfg.GenerateDRBDSecret() |
3130 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
3131 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
3132 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
3133 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
3134 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
3135 | ffa1c0dc | Iustin Pop | logical_id=(primary, secondary, port, |
3136 | f9518d38 | Iustin Pop | p_minor, s_minor, |
3137 | f9518d38 | Iustin Pop | shared_secret), |
3138 | ffa1c0dc | Iustin Pop | children=[dev_data, dev_meta], |
3139 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
3140 | a1f445d3 | Iustin Pop | return drbd_dev
|
3141 | a1f445d3 | Iustin Pop | |
3142 | 7c0d6283 | Michael Hanselmann | |
3143 | b9bddb6b | Iustin Pop | def _GenerateDiskTemplate(lu, template_name, |
3144 | a8083063 | Iustin Pop | instance_name, primary_node, |
3145 | 08db7c5c | Iustin Pop | secondary_nodes, disk_info, |
3146 | e2a65344 | Iustin Pop | file_storage_dir, file_driver, |
3147 | e2a65344 | Iustin Pop | base_index): |
3148 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
3149 | a8083063 | Iustin Pop |
|
3150 | a8083063 | Iustin Pop | """
|
3151 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
3152 | a8083063 | Iustin Pop | |
3153 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
3154 | 08db7c5c | Iustin Pop | disk_count = len(disk_info)
|
3155 | 08db7c5c | Iustin Pop | disks = [] |
3156 | 3517d9b9 | Manuel Franceschini | if template_name == constants.DT_DISKLESS:
|
3157 | 08db7c5c | Iustin Pop | pass
|
3158 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_PLAIN:
|
3159 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
3160 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
3161 | 923b1523 | Iustin Pop | |
3162 | 08db7c5c | Iustin Pop | names = _GenerateUniqueNames(lu, [".disk%d" % i
|
3163 | 08db7c5c | Iustin Pop | for i in range(disk_count)]) |
3164 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
3165 | e2a65344 | Iustin Pop | disk_index = idx + base_index |
3166 | 08db7c5c | Iustin Pop | disk_dev = objects.Disk(dev_type=constants.LD_LV, size=disk["size"],
|
3167 | 08db7c5c | Iustin Pop | logical_id=(vgname, names[idx]), |
3168 | e2a65344 | Iustin Pop | iv_name="disk/%d" % disk_index)
|
3169 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
3170 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
3171 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
3172 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
3173 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
3174 | 08db7c5c | Iustin Pop | minors = lu.cfg.AllocateDRBDMinor( |
3175 | 08db7c5c | Iustin Pop | [primary_node, remote_node] * len(disk_info), instance_name)
|
3176 | 08db7c5c | Iustin Pop | |
3177 | 08db7c5c | Iustin Pop | names = _GenerateUniqueNames(lu, |
3178 | 08db7c5c | Iustin Pop | [".disk%d_%s" % (i, s)
|
3179 | 08db7c5c | Iustin Pop | for i in range(disk_count) |
3180 | 08db7c5c | Iustin Pop | for s in ("data", "meta") |
3181 | 08db7c5c | Iustin Pop | ]) |
3182 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
3183 | 112050d9 | Iustin Pop | disk_index = idx + base_index |
3184 | 08db7c5c | Iustin Pop | disk_dev = _GenerateDRBD8Branch(lu, primary_node, remote_node, |
3185 | 08db7c5c | Iustin Pop | disk["size"], names[idx*2:idx*2+2], |
3186 | e2a65344 | Iustin Pop | "disk/%d" % disk_index,
|
3187 | 08db7c5c | Iustin Pop | minors[idx*2], minors[idx*2+1]) |
3188 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
3189 | 0f1a06e3 | Manuel Franceschini | elif template_name == constants.DT_FILE:
|
3190 | 0f1a06e3 | Manuel Franceschini | if len(secondary_nodes) != 0: |
3191 | 0f1a06e3 | Manuel Franceschini | raise errors.ProgrammerError("Wrong template configuration") |
3192 | 0f1a06e3 | Manuel Franceschini | |
3193 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
3194 | 112050d9 | Iustin Pop | disk_index = idx + base_index |
3195 | 08db7c5c | Iustin Pop | disk_dev = objects.Disk(dev_type=constants.LD_FILE, size=disk["size"],
|
3196 | e2a65344 | Iustin Pop | iv_name="disk/%d" % disk_index,
|
3197 | 08db7c5c | Iustin Pop | logical_id=(file_driver, |
3198 | 08db7c5c | Iustin Pop | "%s/disk%d" % (file_storage_dir,
|
3199 | 08db7c5c | Iustin Pop | idx))) |
3200 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
3201 | a8083063 | Iustin Pop | else:
|
3202 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
3203 | a8083063 | Iustin Pop | return disks
|
3204 | a8083063 | Iustin Pop | |
3205 | a8083063 | Iustin Pop | |
3206 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
3207 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
3208 | 3ecf6786 | Iustin Pop |
|
3209 | 3ecf6786 | Iustin Pop | """
|
3210 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
3211 | a0c3fea1 | Michael Hanselmann | |
3212 | a0c3fea1 | Michael Hanselmann | |
3213 | b9bddb6b | Iustin Pop | def _CreateDisks(lu, instance): |
3214 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
3215 | a8083063 | Iustin Pop |
|
3216 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
3217 | a8083063 | Iustin Pop |
|
3218 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
3219 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
3220 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
3221 | e4376078 | Iustin Pop | @param instance: the instance whose disks we should create
|
3222 | e4376078 | Iustin Pop | @rtype: boolean
|
3223 | e4376078 | Iustin Pop | @return: the success of the creation
|
3224 | a8083063 | Iustin Pop |
|
3225 | a8083063 | Iustin Pop | """
|
3226 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
3227 | a0c3fea1 | Michael Hanselmann | |
3228 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
3229 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
3230 | 72737a7f | Iustin Pop | result = lu.rpc.call_file_storage_dir_create(instance.primary_node, |
3231 | 72737a7f | Iustin Pop | file_storage_dir) |
3232 | 0f1a06e3 | Manuel Franceschini | |
3233 | 0f1a06e3 | Manuel Franceschini | if not result: |
3234 | 9a4f63d1 | Iustin Pop | logging.error("Could not connect to node '%s'", instance.primary_node)
|
3235 | 0f1a06e3 | Manuel Franceschini | return False |
3236 | 0f1a06e3 | Manuel Franceschini | |
3237 | 0f1a06e3 | Manuel Franceschini | if not result[0]: |
3238 | 9a4f63d1 | Iustin Pop | logging.error("Failed to create directory '%s'", file_storage_dir)
|
3239 | 0f1a06e3 | Manuel Franceschini | return False |
3240 | 0f1a06e3 | Manuel Franceschini | |
3241 | 24991749 | Iustin Pop | # Note: this needs to be kept in sync with adding of disks in
|
3242 | 24991749 | Iustin Pop | # LUSetInstanceParams
|
3243 | a8083063 | Iustin Pop | for device in instance.disks: |
3244 | 9a4f63d1 | Iustin Pop | logging.info("Creating volume %s for instance %s",
|
3245 | 9a4f63d1 | Iustin Pop | device.iv_name, instance.name) |
3246 | a8083063 | Iustin Pop | #HARDCODE
|
3247 | a8083063 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
3248 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(lu, secondary_node, instance, |
3249 | 3f78eef2 | Iustin Pop | device, False, info):
|
3250 | 9a4f63d1 | Iustin Pop | logging.error("Failed to create volume %s (%s) on secondary node %s!",
|
3251 | 9a4f63d1 | Iustin Pop | device.iv_name, device, secondary_node) |
3252 | a8083063 | Iustin Pop | return False |
3253 | a8083063 | Iustin Pop | #HARDCODE
|
3254 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(lu, instance.primary_node, |
3255 | 3f78eef2 | Iustin Pop | instance, device, info): |
3256 | 9a4f63d1 | Iustin Pop | logging.error("Failed to create volume %s on primary!", device.iv_name)
|
3257 | a8083063 | Iustin Pop | return False |
3258 | 1c6e3627 | Manuel Franceschini | |
3259 | a8083063 | Iustin Pop | return True |
3260 | a8083063 | Iustin Pop | |
3261 | a8083063 | Iustin Pop | |
3262 | b9bddb6b | Iustin Pop | def _RemoveDisks(lu, instance): |
3263 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
3264 | a8083063 | Iustin Pop |
|
3265 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
3266 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
3267 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
3268 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
3269 | a8083063 | Iustin Pop |
|
3270 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
3271 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
3272 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
3273 | e4376078 | Iustin Pop | @param instance: the instance whose disks we should remove
|
3274 | e4376078 | Iustin Pop | @rtype: boolean
|
3275 | e4376078 | Iustin Pop | @return: the success of the removal
|
3276 | a8083063 | Iustin Pop |
|
3277 | a8083063 | Iustin Pop | """
|
3278 | 9a4f63d1 | Iustin Pop | logging.info("Removing block devices for instance %s", instance.name)
|
3279 | a8083063 | Iustin Pop | |
3280 | a8083063 | Iustin Pop | result = True
|
3281 | a8083063 | Iustin Pop | for device in instance.disks: |
3282 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
3283 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, node) |
3284 | 72737a7f | Iustin Pop | if not lu.rpc.call_blockdev_remove(node, disk): |
3285 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not remove block device %s on node %s,"
|
3286 | 86d9d3bb | Iustin Pop | " continuing anyway", device.iv_name, node)
|
3287 | a8083063 | Iustin Pop | result = False
|
3288 | 0f1a06e3 | Manuel Franceschini | |
3289 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
3290 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
3291 | 72737a7f | Iustin Pop | if not lu.rpc.call_file_storage_dir_remove(instance.primary_node, |
3292 | 72737a7f | Iustin Pop | file_storage_dir): |
3293 | 9a4f63d1 | Iustin Pop | logging.error("Could not remove directory '%s'", file_storage_dir)
|
3294 | 0f1a06e3 | Manuel Franceschini | result = False
|
3295 | 0f1a06e3 | Manuel Franceschini | |
3296 | a8083063 | Iustin Pop | return result
|
3297 | a8083063 | Iustin Pop | |
3298 | a8083063 | Iustin Pop | |
3299 | 08db7c5c | Iustin Pop | def _ComputeDiskSize(disk_template, disks): |
3300 | e2fe6369 | Iustin Pop | """Compute disk size requirements in the volume group
|
3301 | e2fe6369 | Iustin Pop |
|
3302 | e2fe6369 | Iustin Pop | """
|
3303 | e2fe6369 | Iustin Pop | # Required free disk space as a function of disk and swap space
|
3304 | e2fe6369 | Iustin Pop | req_size_dict = { |
3305 | e2fe6369 | Iustin Pop | constants.DT_DISKLESS: None,
|
3306 | 08db7c5c | Iustin Pop | constants.DT_PLAIN: sum(d["size"] for d in disks), |
3307 | 08db7c5c | Iustin Pop | # 128 MB are added for drbd metadata for each disk
|
3308 | 08db7c5c | Iustin Pop | constants.DT_DRBD8: sum(d["size"] + 128 for d in disks), |
3309 | e2fe6369 | Iustin Pop | constants.DT_FILE: None,
|
3310 | e2fe6369 | Iustin Pop | } |
3311 | e2fe6369 | Iustin Pop | |
3312 | e2fe6369 | Iustin Pop | if disk_template not in req_size_dict: |
3313 | e2fe6369 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
3314 | e2fe6369 | Iustin Pop | " is unknown" % disk_template)
|
3315 | e2fe6369 | Iustin Pop | |
3316 | e2fe6369 | Iustin Pop | return req_size_dict[disk_template]
|
3317 | e2fe6369 | Iustin Pop | |
3318 | e2fe6369 | Iustin Pop | |
3319 | 74409b12 | Iustin Pop | def _CheckHVParams(lu, nodenames, hvname, hvparams): |
3320 | 74409b12 | Iustin Pop | """Hypervisor parameter validation.
|
3321 | 74409b12 | Iustin Pop |
|
3322 | 74409b12 | Iustin Pop | This function abstract the hypervisor parameter validation to be
|
3323 | 74409b12 | Iustin Pop | used in both instance create and instance modify.
|
3324 | 74409b12 | Iustin Pop |
|
3325 | 74409b12 | Iustin Pop | @type lu: L{LogicalUnit}
|
3326 | 74409b12 | Iustin Pop | @param lu: the logical unit for which we check
|
3327 | 74409b12 | Iustin Pop | @type nodenames: list
|
3328 | 74409b12 | Iustin Pop | @param nodenames: the list of nodes on which we should check
|
3329 | 74409b12 | Iustin Pop | @type hvname: string
|
3330 | 74409b12 | Iustin Pop | @param hvname: the name of the hypervisor we should use
|
3331 | 74409b12 | Iustin Pop | @type hvparams: dict
|
3332 | 74409b12 | Iustin Pop | @param hvparams: the parameters which we need to check
|
3333 | 74409b12 | Iustin Pop | @raise errors.OpPrereqError: if the parameters are not valid
|
3334 | 74409b12 | Iustin Pop |
|
3335 | 74409b12 | Iustin Pop | """
|
3336 | 74409b12 | Iustin Pop | hvinfo = lu.rpc.call_hypervisor_validate_params(nodenames, |
3337 | 74409b12 | Iustin Pop | hvname, |
3338 | 74409b12 | Iustin Pop | hvparams) |
3339 | 74409b12 | Iustin Pop | for node in nodenames: |
3340 | 74409b12 | Iustin Pop | info = hvinfo.get(node, None)
|
3341 | 74409b12 | Iustin Pop | if not info or not isinstance(info, (tuple, list)): |
3342 | 74409b12 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
3343 | 74409b12 | Iustin Pop | " from node '%s' (%s)" % (node, info))
|
3344 | 74409b12 | Iustin Pop | if not info[0]: |
3345 | 74409b12 | Iustin Pop | raise errors.OpPrereqError("Hypervisor parameter validation failed:" |
3346 | 74409b12 | Iustin Pop | " %s" % info[1]) |
3347 | 74409b12 | Iustin Pop | |
3348 | 74409b12 | Iustin Pop | |
3349 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
3350 | a8083063 | Iustin Pop | """Create an instance.
|
3351 | a8083063 | Iustin Pop |
|
3352 | a8083063 | Iustin Pop | """
|
3353 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
3354 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3355 | 08db7c5c | Iustin Pop | _OP_REQP = ["instance_name", "disks", "disk_template", |
3356 | 08db7c5c | Iustin Pop | "mode", "start", |
3357 | 08db7c5c | Iustin Pop | "wait_for_sync", "ip_check", "nics", |
3358 | 338e51e8 | Iustin Pop | "hvparams", "beparams"] |
3359 | 7baf741d | Guido Trotter | REQ_BGL = False
|
3360 | 7baf741d | Guido Trotter | |
3361 | 7baf741d | Guido Trotter | def _ExpandNode(self, node): |
3362 | 7baf741d | Guido Trotter | """Expands and checks one node name.
|
3363 | 7baf741d | Guido Trotter |
|
3364 | 7baf741d | Guido Trotter | """
|
3365 | 7baf741d | Guido Trotter | node_full = self.cfg.ExpandNodeName(node)
|
3366 | 7baf741d | Guido Trotter | if node_full is None: |
3367 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Unknown node %s" % node) |
3368 | 7baf741d | Guido Trotter | return node_full
|
3369 | 7baf741d | Guido Trotter | |
3370 | 7baf741d | Guido Trotter | def ExpandNames(self): |
3371 | 7baf741d | Guido Trotter | """ExpandNames for CreateInstance.
|
3372 | 7baf741d | Guido Trotter |
|
3373 | 7baf741d | Guido Trotter | Figure out the right locks for instance creation.
|
3374 | 7baf741d | Guido Trotter |
|
3375 | 7baf741d | Guido Trotter | """
|
3376 | 7baf741d | Guido Trotter | self.needed_locks = {}
|
3377 | 7baf741d | Guido Trotter | |
3378 | 7baf741d | Guido Trotter | # set optional parameters to none if they don't exist
|
3379 | 6785674e | Iustin Pop | for attr in ["pnode", "snode", "iallocator", "hypervisor"]: |
3380 | 7baf741d | Guido Trotter | if not hasattr(self.op, attr): |
3381 | 7baf741d | Guido Trotter | setattr(self.op, attr, None) |
3382 | 7baf741d | Guido Trotter | |
3383 | 4b2f38dd | Iustin Pop | # cheap checks, mostly valid constants given
|
3384 | 4b2f38dd | Iustin Pop | |
3385 | 7baf741d | Guido Trotter | # verify creation mode
|
3386 | 7baf741d | Guido Trotter | if self.op.mode not in (constants.INSTANCE_CREATE, |
3387 | 7baf741d | Guido Trotter | constants.INSTANCE_IMPORT): |
3388 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
3389 | 7baf741d | Guido Trotter | self.op.mode)
|
3390 | 4b2f38dd | Iustin Pop | |
3391 | 7baf741d | Guido Trotter | # disk template and mirror node verification
|
3392 | 7baf741d | Guido Trotter | if self.op.disk_template not in constants.DISK_TEMPLATES: |
3393 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid disk template name") |
3394 | 7baf741d | Guido Trotter | |
3395 | 4b2f38dd | Iustin Pop | if self.op.hypervisor is None: |
3396 | 4b2f38dd | Iustin Pop | self.op.hypervisor = self.cfg.GetHypervisorType() |
3397 | 4b2f38dd | Iustin Pop | |
3398 | 8705eb96 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
3399 | 8705eb96 | Iustin Pop | enabled_hvs = cluster.enabled_hypervisors |
3400 | 4b2f38dd | Iustin Pop | if self.op.hypervisor not in enabled_hvs: |
3401 | 4b2f38dd | Iustin Pop | raise errors.OpPrereqError("Selected hypervisor (%s) not enabled in the" |
3402 | 4b2f38dd | Iustin Pop | " cluster (%s)" % (self.op.hypervisor, |
3403 | 4b2f38dd | Iustin Pop | ",".join(enabled_hvs)))
|
3404 | 4b2f38dd | Iustin Pop | |
3405 | 6785674e | Iustin Pop | # check hypervisor parameter syntax (locally)
|
3406 | 6785674e | Iustin Pop | |
3407 | 8705eb96 | Iustin Pop | filled_hvp = cluster.FillDict(cluster.hvparams[self.op.hypervisor],
|
3408 | 8705eb96 | Iustin Pop | self.op.hvparams)
|
3409 | 6785674e | Iustin Pop | hv_type = hypervisor.GetHypervisor(self.op.hypervisor)
|
3410 | 8705eb96 | Iustin Pop | hv_type.CheckParameterSyntax(filled_hvp) |
3411 | 6785674e | Iustin Pop | |
3412 | 338e51e8 | Iustin Pop | # fill and remember the beparams dict
|
3413 | 338e51e8 | Iustin Pop | self.be_full = cluster.FillDict(cluster.beparams[constants.BEGR_DEFAULT],
|
3414 | 338e51e8 | Iustin Pop | self.op.beparams)
|
3415 | 338e51e8 | Iustin Pop | |
3416 | 7baf741d | Guido Trotter | #### instance parameters check
|
3417 | 7baf741d | Guido Trotter | |
3418 | 7baf741d | Guido Trotter | # instance name verification
|
3419 | 7baf741d | Guido Trotter | hostname1 = utils.HostInfo(self.op.instance_name)
|
3420 | 7baf741d | Guido Trotter | self.op.instance_name = instance_name = hostname1.name
|
3421 | 7baf741d | Guido Trotter | |
3422 | 7baf741d | Guido Trotter | # this is just a preventive check, but someone might still add this
|
3423 | 7baf741d | Guido Trotter | # instance in the meantime, and creation will fail at lock-add time
|
3424 | 7baf741d | Guido Trotter | if instance_name in self.cfg.GetInstanceList(): |
3425 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
3426 | 7baf741d | Guido Trotter | instance_name) |
3427 | 7baf741d | Guido Trotter | |
3428 | 7baf741d | Guido Trotter | self.add_locks[locking.LEVEL_INSTANCE] = instance_name
|
3429 | 7baf741d | Guido Trotter | |
3430 | 08db7c5c | Iustin Pop | # NIC buildup
|
3431 | 08db7c5c | Iustin Pop | self.nics = []
|
3432 | 08db7c5c | Iustin Pop | for nic in self.op.nics: |
3433 | 08db7c5c | Iustin Pop | # ip validity checks
|
3434 | 08db7c5c | Iustin Pop | ip = nic.get("ip", None) |
3435 | 08db7c5c | Iustin Pop | if ip is None or ip.lower() == "none": |
3436 | 08db7c5c | Iustin Pop | nic_ip = None
|
3437 | 08db7c5c | Iustin Pop | elif ip.lower() == constants.VALUE_AUTO:
|
3438 | 08db7c5c | Iustin Pop | nic_ip = hostname1.ip |
3439 | 08db7c5c | Iustin Pop | else:
|
3440 | 08db7c5c | Iustin Pop | if not utils.IsValidIP(ip): |
3441 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Given IP address '%s' doesn't look" |
3442 | 08db7c5c | Iustin Pop | " like a valid IP" % ip)
|
3443 | 08db7c5c | Iustin Pop | nic_ip = ip |
3444 | 08db7c5c | Iustin Pop | |
3445 | 08db7c5c | Iustin Pop | # MAC address verification
|
3446 | 08db7c5c | Iustin Pop | mac = nic.get("mac", constants.VALUE_AUTO)
|
3447 | 08db7c5c | Iustin Pop | if mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
3448 | 08db7c5c | Iustin Pop | if not utils.IsValidMac(mac.lower()): |
3449 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid MAC address specified: %s" % |
3450 | 08db7c5c | Iustin Pop | mac) |
3451 | 08db7c5c | Iustin Pop | # bridge verification
|
3452 | 08db7c5c | Iustin Pop | bridge = nic.get("bridge", self.cfg.GetDefBridge()) |
3453 | 08db7c5c | Iustin Pop | self.nics.append(objects.NIC(mac=mac, ip=nic_ip, bridge=bridge))
|
3454 | 08db7c5c | Iustin Pop | |
3455 | 08db7c5c | Iustin Pop | # disk checks/pre-build
|
3456 | 08db7c5c | Iustin Pop | self.disks = []
|
3457 | 08db7c5c | Iustin Pop | for disk in self.op.disks: |
3458 | 08db7c5c | Iustin Pop | mode = disk.get("mode", constants.DISK_RDWR)
|
3459 | 08db7c5c | Iustin Pop | if mode not in constants.DISK_ACCESS_SET: |
3460 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid disk access mode '%s'" % |
3461 | 08db7c5c | Iustin Pop | mode) |
3462 | 08db7c5c | Iustin Pop | size = disk.get("size", None) |
3463 | 08db7c5c | Iustin Pop | if size is None: |
3464 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Missing disk size") |
3465 | 08db7c5c | Iustin Pop | try:
|
3466 | 08db7c5c | Iustin Pop | size = int(size)
|
3467 | 08db7c5c | Iustin Pop | except ValueError: |
3468 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid disk size '%s'" % size) |
3469 | 08db7c5c | Iustin Pop | self.disks.append({"size": size, "mode": mode}) |
3470 | 08db7c5c | Iustin Pop | |
3471 | 7baf741d | Guido Trotter | # used in CheckPrereq for ip ping check
|
3472 | 7baf741d | Guido Trotter | self.check_ip = hostname1.ip
|
3473 | 7baf741d | Guido Trotter | |
3474 | 7baf741d | Guido Trotter | # file storage checks
|
3475 | 7baf741d | Guido Trotter | if (self.op.file_driver and |
3476 | 7baf741d | Guido Trotter | not self.op.file_driver in constants.FILE_DRIVER): |
3477 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid file driver name '%s'" % |
3478 | 7baf741d | Guido Trotter | self.op.file_driver)
|
3479 | 7baf741d | Guido Trotter | |
3480 | 7baf741d | Guido Trotter | if self.op.file_storage_dir and os.path.isabs(self.op.file_storage_dir): |
3481 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("File storage directory path not absolute") |
3482 | 7baf741d | Guido Trotter | |
3483 | 7baf741d | Guido Trotter | ### Node/iallocator related checks
|
3484 | 7baf741d | Guido Trotter | if [self.op.iallocator, self.op.pnode].count(None) != 1: |
3485 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("One and only one of iallocator and primary" |
3486 | 7baf741d | Guido Trotter | " node must be given")
|
3487 | 7baf741d | Guido Trotter | |
3488 | 7baf741d | Guido Trotter | if self.op.iallocator: |
3489 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
3490 | 7baf741d | Guido Trotter | else:
|
3491 | 7baf741d | Guido Trotter | self.op.pnode = self._ExpandNode(self.op.pnode) |
3492 | 7baf741d | Guido Trotter | nodelist = [self.op.pnode]
|
3493 | 7baf741d | Guido Trotter | if self.op.snode is not None: |
3494 | 7baf741d | Guido Trotter | self.op.snode = self._ExpandNode(self.op.snode) |
3495 | 7baf741d | Guido Trotter | nodelist.append(self.op.snode)
|
3496 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = nodelist
|
3497 | 7baf741d | Guido Trotter | |
3498 | 7baf741d | Guido Trotter | # in case of import lock the source node too
|
3499 | 7baf741d | Guido Trotter | if self.op.mode == constants.INSTANCE_IMPORT: |
3500 | 7baf741d | Guido Trotter | src_node = getattr(self.op, "src_node", None) |
3501 | 7baf741d | Guido Trotter | src_path = getattr(self.op, "src_path", None) |
3502 | 7baf741d | Guido Trotter | |
3503 | 7baf741d | Guido Trotter | if src_node is None or src_path is None: |
3504 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Importing an instance requires source" |
3505 | 7baf741d | Guido Trotter | " node and path options")
|
3506 | 7baf741d | Guido Trotter | |
3507 | 7baf741d | Guido Trotter | if not os.path.isabs(src_path): |
3508 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("The source path must be absolute") |
3509 | 7baf741d | Guido Trotter | |
3510 | 7baf741d | Guido Trotter | self.op.src_node = src_node = self._ExpandNode(src_node) |
3511 | 7baf741d | Guido Trotter | if self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET: |
3512 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].append(src_node)
|
3513 | 7baf741d | Guido Trotter | |
3514 | 7baf741d | Guido Trotter | else: # INSTANCE_CREATE |
3515 | 7baf741d | Guido Trotter | if getattr(self.op, "os_type", None) is None: |
3516 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("No guest OS specified") |
3517 | a8083063 | Iustin Pop | |
3518 | 538475ca | Iustin Pop | def _RunAllocator(self): |
3519 | 538475ca | Iustin Pop | """Run the allocator based on input opcode.
|
3520 | 538475ca | Iustin Pop |
|
3521 | 538475ca | Iustin Pop | """
|
3522 | 08db7c5c | Iustin Pop | nics = [n.ToDict() for n in self.nics] |
3523 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
3524 | 29859cb7 | Iustin Pop | mode=constants.IALLOCATOR_MODE_ALLOC, |
3525 | d1c2dd75 | Iustin Pop | name=self.op.instance_name,
|
3526 | d1c2dd75 | Iustin Pop | disk_template=self.op.disk_template,
|
3527 | d1c2dd75 | Iustin Pop | tags=[], |
3528 | d1c2dd75 | Iustin Pop | os=self.op.os_type,
|
3529 | 338e51e8 | Iustin Pop | vcpus=self.be_full[constants.BE_VCPUS],
|
3530 | 338e51e8 | Iustin Pop | mem_size=self.be_full[constants.BE_MEMORY],
|
3531 | 08db7c5c | Iustin Pop | disks=self.disks,
|
3532 | d1c2dd75 | Iustin Pop | nics=nics, |
3533 | 8cc7e742 | Guido Trotter | hypervisor=self.op.hypervisor,
|
3534 | 29859cb7 | Iustin Pop | ) |
3535 | d1c2dd75 | Iustin Pop | |
3536 | d1c2dd75 | Iustin Pop | ial.Run(self.op.iallocator)
|
3537 | d1c2dd75 | Iustin Pop | |
3538 | d1c2dd75 | Iustin Pop | if not ial.success: |
3539 | 538475ca | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
3540 | 538475ca | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
3541 | d1c2dd75 | Iustin Pop | ial.info)) |
3542 | 27579978 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
3543 | 538475ca | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
3544 | 538475ca | Iustin Pop | " of nodes (%s), required %s" %
|
3545 | 97abc79f | Iustin Pop | (self.op.iallocator, len(ial.nodes), |
3546 | 1ce4bbe3 | René Nussbaumer | ial.required_nodes)) |
3547 | d1c2dd75 | Iustin Pop | self.op.pnode = ial.nodes[0] |
3548 | 86d9d3bb | Iustin Pop | self.LogInfo("Selected nodes for instance %s via iallocator %s: %s", |
3549 | 86d9d3bb | Iustin Pop | self.op.instance_name, self.op.iallocator, |
3550 | 86d9d3bb | Iustin Pop | ", ".join(ial.nodes))
|
3551 | 27579978 | Iustin Pop | if ial.required_nodes == 2: |
3552 | d1c2dd75 | Iustin Pop | self.op.snode = ial.nodes[1] |
3553 | 538475ca | Iustin Pop | |
3554 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3555 | a8083063 | Iustin Pop | """Build hooks env.
|
3556 | a8083063 | Iustin Pop |
|
3557 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3558 | a8083063 | Iustin Pop |
|
3559 | a8083063 | Iustin Pop | """
|
3560 | a8083063 | Iustin Pop | env = { |
3561 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_TEMPLATE": self.op.disk_template, |
3562 | 08db7c5c | Iustin Pop | "INSTANCE_DISK_SIZE": ",".join(str(d["size"]) for d in self.disks), |
3563 | a8083063 | Iustin Pop | "INSTANCE_ADD_MODE": self.op.mode, |
3564 | a8083063 | Iustin Pop | } |
3565 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
3566 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_NODE"] = self.op.src_node |
3567 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_PATH"] = self.op.src_path |
3568 | 09acf207 | Guido Trotter | env["INSTANCE_SRC_IMAGES"] = self.src_images |
3569 | 396e1b78 | Michael Hanselmann | |
3570 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
|
3571 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
3572 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
3573 | 396e1b78 | Michael Hanselmann | status=self.instance_status,
|
3574 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
3575 | 338e51e8 | Iustin Pop | memory=self.be_full[constants.BE_MEMORY],
|
3576 | 338e51e8 | Iustin Pop | vcpus=self.be_full[constants.BE_VCPUS],
|
3577 | 08db7c5c | Iustin Pop | nics=[(n.ip, n.bridge, n.mac) for n in self.nics], |
3578 | 396e1b78 | Michael Hanselmann | )) |
3579 | a8083063 | Iustin Pop | |
3580 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.op.pnode] + |
3581 | a8083063 | Iustin Pop | self.secondaries)
|
3582 | a8083063 | Iustin Pop | return env, nl, nl
|
3583 | a8083063 | Iustin Pop | |
3584 | a8083063 | Iustin Pop | |
3585 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3586 | a8083063 | Iustin Pop | """Check prerequisites.
|
3587 | a8083063 | Iustin Pop |
|
3588 | a8083063 | Iustin Pop | """
|
3589 | eedc99de | Manuel Franceschini | if (not self.cfg.GetVGName() and |
3590 | eedc99de | Manuel Franceschini | self.op.disk_template not in constants.DTS_NOT_LVM): |
3591 | eedc99de | Manuel Franceschini | raise errors.OpPrereqError("Cluster does not support lvm-based" |
3592 | eedc99de | Manuel Franceschini | " instances")
|
3593 | eedc99de | Manuel Franceschini | |
3594 | e69d05fd | Iustin Pop | |
3595 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
3596 | 7baf741d | Guido Trotter | src_node = self.op.src_node
|
3597 | 7baf741d | Guido Trotter | src_path = self.op.src_path
|
3598 | a8083063 | Iustin Pop | |
3599 | 72737a7f | Iustin Pop | export_info = self.rpc.call_export_info(src_node, src_path)
|
3600 | a8083063 | Iustin Pop | |
3601 | a8083063 | Iustin Pop | if not export_info: |
3602 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No export found in dir %s" % src_path) |
3603 | a8083063 | Iustin Pop | |
3604 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
3605 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
3606 | a8083063 | Iustin Pop | |
3607 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
3608 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
3609 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
3610 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
3611 | a8083063 | Iustin Pop | |
3612 | 09acf207 | Guido Trotter | # Check that the new instance doesn't have less disks than the export
|
3613 | 08db7c5c | Iustin Pop | instance_disks = len(self.disks) |
3614 | 09acf207 | Guido Trotter | export_disks = export_info.getint(constants.INISECT_INS, 'disk_count')
|
3615 | 09acf207 | Guido Trotter | if instance_disks < export_disks:
|
3616 | 09acf207 | Guido Trotter | raise errors.OpPrereqError("Not enough disks to import." |
3617 | 09acf207 | Guido Trotter | " (instance: %d, export: %d)" %
|
3618 | 726d7d68 | Iustin Pop | (instance_disks, export_disks)) |
3619 | a8083063 | Iustin Pop | |
3620 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
3621 | 09acf207 | Guido Trotter | disk_images = [] |
3622 | 09acf207 | Guido Trotter | for idx in range(export_disks): |
3623 | 09acf207 | Guido Trotter | option = 'disk%d_dump' % idx
|
3624 | 09acf207 | Guido Trotter | if export_info.has_option(constants.INISECT_INS, option):
|
3625 | 09acf207 | Guido Trotter | # FIXME: are the old os-es, disk sizes, etc. useful?
|
3626 | 09acf207 | Guido Trotter | export_name = export_info.get(constants.INISECT_INS, option) |
3627 | 09acf207 | Guido Trotter | image = os.path.join(src_path, export_name) |
3628 | 09acf207 | Guido Trotter | disk_images.append(image) |
3629 | 09acf207 | Guido Trotter | else:
|
3630 | 09acf207 | Guido Trotter | disk_images.append(False)
|
3631 | 09acf207 | Guido Trotter | |
3632 | 09acf207 | Guido Trotter | self.src_images = disk_images
|
3633 | 901a65c1 | Iustin Pop | |
3634 | b4364a6b | Guido Trotter | old_name = export_info.get(constants.INISECT_INS, 'name')
|
3635 | b4364a6b | Guido Trotter | # FIXME: int() here could throw a ValueError on broken exports
|
3636 | b4364a6b | Guido Trotter | exp_nic_count = int(export_info.get(constants.INISECT_INS, 'nic_count')) |
3637 | b4364a6b | Guido Trotter | if self.op.instance_name == old_name: |
3638 | b4364a6b | Guido Trotter | for idx, nic in enumerate(self.nics): |
3639 | b4364a6b | Guido Trotter | if nic.mac == constants.VALUE_AUTO and exp_nic_count >= idx: |
3640 | b4364a6b | Guido Trotter | nic_mac_ini = 'nic%d_mac' % idx
|
3641 | b4364a6b | Guido Trotter | nic.mac = export_info.get(constants.INISECT_INS, nic_mac_ini) |
3642 | bc89efc3 | Guido Trotter | |
3643 | 7baf741d | Guido Trotter | # ip ping checks (we use the same ip that was resolved in ExpandNames)
|
3644 | 901a65c1 | Iustin Pop | if self.op.start and not self.op.ip_check: |
3645 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
3646 | 901a65c1 | Iustin Pop | " adding an instance in start mode")
|
3647 | 901a65c1 | Iustin Pop | |
3648 | 901a65c1 | Iustin Pop | if self.op.ip_check: |
3649 | 7baf741d | Guido Trotter | if utils.TcpPing(self.check_ip, constants.DEFAULT_NODED_PORT): |
3650 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
3651 | 7b3a8fb5 | Iustin Pop | (self.check_ip, self.op.instance_name)) |
3652 | 901a65c1 | Iustin Pop | |
3653 | 538475ca | Iustin Pop | #### allocator run
|
3654 | 538475ca | Iustin Pop | |
3655 | 538475ca | Iustin Pop | if self.op.iallocator is not None: |
3656 | 538475ca | Iustin Pop | self._RunAllocator()
|
3657 | 0f1a06e3 | Manuel Franceschini | |
3658 | 901a65c1 | Iustin Pop | #### node related checks
|
3659 | 901a65c1 | Iustin Pop | |
3660 | 901a65c1 | Iustin Pop | # check primary node
|
3661 | 7baf741d | Guido Trotter | self.pnode = pnode = self.cfg.GetNodeInfo(self.op.pnode) |
3662 | 7baf741d | Guido Trotter | assert self.pnode is not None, \ |
3663 | 7baf741d | Guido Trotter | "Cannot retrieve locked node %s" % self.op.pnode |
3664 | 901a65c1 | Iustin Pop | self.secondaries = []
|
3665 | 901a65c1 | Iustin Pop | |
3666 | 901a65c1 | Iustin Pop | # mirror node verification
|
3667 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
3668 | 7baf741d | Guido Trotter | if self.op.snode is None: |
3669 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
3670 | 3ecf6786 | Iustin Pop | " a mirror node")
|
3671 | 7baf741d | Guido Trotter | if self.op.snode == pnode.name: |
3672 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
3673 | 3ecf6786 | Iustin Pop | " the primary node.")
|
3674 | 7baf741d | Guido Trotter | self.secondaries.append(self.op.snode) |
3675 | a8083063 | Iustin Pop | |
3676 | 6785674e | Iustin Pop | nodenames = [pnode.name] + self.secondaries
|
3677 | 6785674e | Iustin Pop | |
3678 | e2fe6369 | Iustin Pop | req_size = _ComputeDiskSize(self.op.disk_template,
|
3679 | 08db7c5c | Iustin Pop | self.disks)
|
3680 | ed1ebc60 | Guido Trotter | |
3681 | 8d75db10 | Iustin Pop | # Check lv size requirements
|
3682 | 8d75db10 | Iustin Pop | if req_size is not None: |
3683 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
3684 | 72737a7f | Iustin Pop | self.op.hypervisor)
|
3685 | 8d75db10 | Iustin Pop | for node in nodenames: |
3686 | 8d75db10 | Iustin Pop | info = nodeinfo.get(node, None)
|
3687 | 8d75db10 | Iustin Pop | if not info: |
3688 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
3689 | 3e91897b | Iustin Pop | " from node '%s'" % node)
|
3690 | 8d75db10 | Iustin Pop | vg_free = info.get('vg_free', None) |
3691 | 8d75db10 | Iustin Pop | if not isinstance(vg_free, int): |
3692 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
3693 | 8d75db10 | Iustin Pop | " node %s" % node)
|
3694 | 8d75db10 | Iustin Pop | if req_size > info['vg_free']: |
3695 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
3696 | 8d75db10 | Iustin Pop | " %d MB available, %d MB required" %
|
3697 | 8d75db10 | Iustin Pop | (node, info['vg_free'], req_size))
|
3698 | ed1ebc60 | Guido Trotter | |
3699 | 74409b12 | Iustin Pop | _CheckHVParams(self, nodenames, self.op.hypervisor, self.op.hvparams) |
3700 | 6785674e | Iustin Pop | |
3701 | a8083063 | Iustin Pop | # os verification
|
3702 | 72737a7f | Iustin Pop | os_obj = self.rpc.call_os_get(pnode.name, self.op.os_type) |
3703 | dfa96ded | Guido Trotter | if not os_obj: |
3704 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported os list for" |
3705 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
3706 | a8083063 | Iustin Pop | |
3707 | 901a65c1 | Iustin Pop | # bridge check on primary node
|
3708 | 08db7c5c | Iustin Pop | bridges = [n.bridge for n in self.nics] |
3709 | 08db7c5c | Iustin Pop | if not self.rpc.call_bridges_exist(self.pnode.name, bridges): |
3710 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("one of the target bridges '%s' does not" |
3711 | 08db7c5c | Iustin Pop | " exist on"
|
3712 | 3ecf6786 | Iustin Pop | " destination node '%s'" %
|
3713 | 08db7c5c | Iustin Pop | (",".join(bridges), pnode.name))
|
3714 | a8083063 | Iustin Pop | |
3715 | 49ce1563 | Iustin Pop | # memory check on primary node
|
3716 | 49ce1563 | Iustin Pop | if self.op.start: |
3717 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, self.pnode.name, |
3718 | 49ce1563 | Iustin Pop | "creating instance %s" % self.op.instance_name, |
3719 | 338e51e8 | Iustin Pop | self.be_full[constants.BE_MEMORY],
|
3720 | 338e51e8 | Iustin Pop | self.op.hypervisor)
|
3721 | 49ce1563 | Iustin Pop | |
3722 | a8083063 | Iustin Pop | if self.op.start: |
3723 | a8083063 | Iustin Pop | self.instance_status = 'up' |
3724 | a8083063 | Iustin Pop | else:
|
3725 | a8083063 | Iustin Pop | self.instance_status = 'down' |
3726 | a8083063 | Iustin Pop | |
3727 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3728 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
3729 | a8083063 | Iustin Pop |
|
3730 | a8083063 | Iustin Pop | """
|
3731 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
3732 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
3733 | a8083063 | Iustin Pop | |
3734 | 08db7c5c | Iustin Pop | for nic in self.nics: |
3735 | 08db7c5c | Iustin Pop | if nic.mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
3736 | 08db7c5c | Iustin Pop | nic.mac = self.cfg.GenerateMAC()
|
3737 | a8083063 | Iustin Pop | |
3738 | e69d05fd | Iustin Pop | ht_kind = self.op.hypervisor
|
3739 | 2a6469d5 | Alexander Schreiber | if ht_kind in constants.HTS_REQ_PORT: |
3740 | 2a6469d5 | Alexander Schreiber | network_port = self.cfg.AllocatePort()
|
3741 | 2a6469d5 | Alexander Schreiber | else:
|
3742 | 2a6469d5 | Alexander Schreiber | network_port = None
|
3743 | 58acb49d | Alexander Schreiber | |
3744 | 6785674e | Iustin Pop | ##if self.op.vnc_bind_address is None:
|
3745 | 6785674e | Iustin Pop | ## self.op.vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS
|
3746 | 31a853d2 | Iustin Pop | |
3747 | 2c313123 | Manuel Franceschini | # this is needed because os.path.join does not accept None arguments
|
3748 | 2c313123 | Manuel Franceschini | if self.op.file_storage_dir is None: |
3749 | 2c313123 | Manuel Franceschini | string_file_storage_dir = ""
|
3750 | 2c313123 | Manuel Franceschini | else:
|
3751 | 2c313123 | Manuel Franceschini | string_file_storage_dir = self.op.file_storage_dir
|
3752 | 2c313123 | Manuel Franceschini | |
3753 | 0f1a06e3 | Manuel Franceschini | # build the full file storage dir path
|
3754 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.normpath(os.path.join( |
3755 | d6a02168 | Michael Hanselmann | self.cfg.GetFileStorageDir(),
|
3756 | 2c313123 | Manuel Franceschini | string_file_storage_dir, instance)) |
3757 | 0f1a06e3 | Manuel Franceschini | |
3758 | 0f1a06e3 | Manuel Franceschini | |
3759 | b9bddb6b | Iustin Pop | disks = _GenerateDiskTemplate(self,
|
3760 | a8083063 | Iustin Pop | self.op.disk_template,
|
3761 | a8083063 | Iustin Pop | instance, pnode_name, |
3762 | 08db7c5c | Iustin Pop | self.secondaries,
|
3763 | 08db7c5c | Iustin Pop | self.disks,
|
3764 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, |
3765 | e2a65344 | Iustin Pop | self.op.file_driver,
|
3766 | e2a65344 | Iustin Pop | 0)
|
3767 | a8083063 | Iustin Pop | |
3768 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
3769 | a8083063 | Iustin Pop | primary_node=pnode_name, |
3770 | 08db7c5c | Iustin Pop | nics=self.nics, disks=disks,
|
3771 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
3772 | a8083063 | Iustin Pop | status=self.instance_status,
|
3773 | 58acb49d | Alexander Schreiber | network_port=network_port, |
3774 | 338e51e8 | Iustin Pop | beparams=self.op.beparams,
|
3775 | 6785674e | Iustin Pop | hvparams=self.op.hvparams,
|
3776 | e69d05fd | Iustin Pop | hypervisor=self.op.hypervisor,
|
3777 | a8083063 | Iustin Pop | ) |
3778 | a8083063 | Iustin Pop | |
3779 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
3780 | b9bddb6b | Iustin Pop | if not _CreateDisks(self, iobj): |
3781 | b9bddb6b | Iustin Pop | _RemoveDisks(self, iobj)
|
3782 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance)
|
3783 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Device creation failed, reverting...") |
3784 | a8083063 | Iustin Pop | |
3785 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
3786 | a8083063 | Iustin Pop | |
3787 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
3788 | 7baf741d | Guido Trotter | # Declare that we don't want to remove the instance lock anymore, as we've
|
3789 | 7baf741d | Guido Trotter | # added the instance to the config
|
3790 | 7baf741d | Guido Trotter | del self.remove_locks[locking.LEVEL_INSTANCE] |
3791 | a1578d63 | Iustin Pop | # Remove the temp. assignements for the instance's drbds
|
3792 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance)
|
3793 | e36e96b4 | Guido Trotter | # Unlock all the nodes
|
3794 | e36e96b4 | Guido Trotter | self.context.glm.release(locking.LEVEL_NODE)
|
3795 | e36e96b4 | Guido Trotter | del self.acquired_locks[locking.LEVEL_NODE] |
3796 | a8083063 | Iustin Pop | |
3797 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
3798 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj) |
3799 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
3800 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
3801 | a8083063 | Iustin Pop | time.sleep(15)
|
3802 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
3803 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj, oneshot=True) |
3804 | a8083063 | Iustin Pop | else:
|
3805 | a8083063 | Iustin Pop | disk_abort = False
|
3806 | a8083063 | Iustin Pop | |
3807 | a8083063 | Iustin Pop | if disk_abort:
|
3808 | b9bddb6b | Iustin Pop | _RemoveDisks(self, iobj)
|
3809 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
3810 | 7baf741d | Guido Trotter | # Make sure the instance lock gets removed
|
3811 | 7baf741d | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = iobj.name
|
3812 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
3813 | 3ecf6786 | Iustin Pop | " this instance")
|
3814 | a8083063 | Iustin Pop | |
3815 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
3816 | a8083063 | Iustin Pop | (instance, pnode_name)) |
3817 | a8083063 | Iustin Pop | |
3818 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
3819 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
3820 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
3821 | d15a9ad3 | Guido Trotter | if not self.rpc.call_instance_os_add(pnode_name, iobj): |
3822 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not add os for instance %s" |
3823 | 3ecf6786 | Iustin Pop | " on node %s" %
|
3824 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3825 | a8083063 | Iustin Pop | |
3826 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
3827 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
3828 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
3829 | 09acf207 | Guido Trotter | src_images = self.src_images
|
3830 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
3831 | 6c0af70e | Guido Trotter | import_result = self.rpc.call_instance_os_import(pnode_name, iobj,
|
3832 | 09acf207 | Guido Trotter | src_node, src_images, |
3833 | 6c0af70e | Guido Trotter | cluster_name) |
3834 | 09acf207 | Guido Trotter | for idx, result in enumerate(import_result): |
3835 | 09acf207 | Guido Trotter | if not result: |
3836 | 726d7d68 | Iustin Pop | self.LogWarning("Could not import the image %s for instance" |
3837 | 726d7d68 | Iustin Pop | " %s, disk %d, on node %s" %
|
3838 | 726d7d68 | Iustin Pop | (src_images[idx], instance, idx, pnode_name)) |
3839 | a8083063 | Iustin Pop | else:
|
3840 | a8083063 | Iustin Pop | # also checked in the prereq part
|
3841 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
3842 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
3843 | a8083063 | Iustin Pop | |
3844 | a8083063 | Iustin Pop | if self.op.start: |
3845 | 9a4f63d1 | Iustin Pop | logging.info("Starting instance %s on node %s", instance, pnode_name)
|
3846 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
3847 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(pnode_name, iobj, None): |
3848 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
3849 | a8083063 | Iustin Pop | |
3850 | a8083063 | Iustin Pop | |
3851 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
3852 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
3853 | a8083063 | Iustin Pop |
|
3854 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
3855 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
3856 | a8083063 | Iustin Pop | console.
|
3857 | a8083063 | Iustin Pop |
|
3858 | a8083063 | Iustin Pop | """
|
3859 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3860 | 8659b73e | Guido Trotter | REQ_BGL = False
|
3861 | 8659b73e | Guido Trotter | |
3862 | 8659b73e | Guido Trotter | def ExpandNames(self): |
3863 | 8659b73e | Guido Trotter | self._ExpandAndLockInstance()
|
3864 | a8083063 | Iustin Pop | |
3865 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3866 | a8083063 | Iustin Pop | """Check prerequisites.
|
3867 | a8083063 | Iustin Pop |
|
3868 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3869 | a8083063 | Iustin Pop |
|
3870 | a8083063 | Iustin Pop | """
|
3871 | 8659b73e | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3872 | 8659b73e | Guido Trotter | assert self.instance is not None, \ |
3873 | 8659b73e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3874 | a8083063 | Iustin Pop | |
3875 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3876 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
3877 | a8083063 | Iustin Pop |
|
3878 | a8083063 | Iustin Pop | """
|
3879 | a8083063 | Iustin Pop | instance = self.instance
|
3880 | a8083063 | Iustin Pop | node = instance.primary_node |
3881 | a8083063 | Iustin Pop | |
3882 | 72737a7f | Iustin Pop | node_insts = self.rpc.call_instance_list([node],
|
3883 | 72737a7f | Iustin Pop | [instance.hypervisor])[node] |
3884 | a8083063 | Iustin Pop | if node_insts is False: |
3885 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't connect to node %s." % node) |
3886 | a8083063 | Iustin Pop | |
3887 | a8083063 | Iustin Pop | if instance.name not in node_insts: |
3888 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
3889 | a8083063 | Iustin Pop | |
3890 | 9a4f63d1 | Iustin Pop | logging.debug("Connecting to console of %s on %s", instance.name, node)
|
3891 | a8083063 | Iustin Pop | |
3892 | e69d05fd | Iustin Pop | hyper = hypervisor.GetHypervisor(instance.hypervisor) |
3893 | 30989e69 | Alexander Schreiber | console_cmd = hyper.GetShellCommandForConsole(instance) |
3894 | b047857b | Michael Hanselmann | |
3895 | 82122173 | Iustin Pop | # build ssh cmdline
|
3896 | 0a80a26f | Michael Hanselmann | return self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True) |
3897 | a8083063 | Iustin Pop | |
3898 | a8083063 | Iustin Pop | |
3899 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
3900 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3901 | a8083063 | Iustin Pop |
|
3902 | a8083063 | Iustin Pop | """
|
3903 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
3904 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3905 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
3906 | efd990e4 | Guido Trotter | REQ_BGL = False
|
3907 | efd990e4 | Guido Trotter | |
3908 | efd990e4 | Guido Trotter | def ExpandNames(self): |
3909 | efd990e4 | Guido Trotter | self._ExpandAndLockInstance()
|
3910 | efd990e4 | Guido Trotter | |
3911 | efd990e4 | Guido Trotter | if not hasattr(self.op, "remote_node"): |
3912 | efd990e4 | Guido Trotter | self.op.remote_node = None |
3913 | efd990e4 | Guido Trotter | |
3914 | efd990e4 | Guido Trotter | ia_name = getattr(self.op, "iallocator", None) |
3915 | efd990e4 | Guido Trotter | if ia_name is not None: |
3916 | efd990e4 | Guido Trotter | if self.op.remote_node is not None: |
3917 | efd990e4 | Guido Trotter | raise errors.OpPrereqError("Give either the iallocator or the new" |
3918 | efd990e4 | Guido Trotter | " secondary, not both")
|
3919 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
3920 | efd990e4 | Guido Trotter | elif self.op.remote_node is not None: |
3921 | efd990e4 | Guido Trotter | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
3922 | efd990e4 | Guido Trotter | if remote_node is None: |
3923 | efd990e4 | Guido Trotter | raise errors.OpPrereqError("Node '%s' not known" % |
3924 | efd990e4 | Guido Trotter | self.op.remote_node)
|
3925 | efd990e4 | Guido Trotter | self.op.remote_node = remote_node
|
3926 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = [remote_node]
|
3927 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
|
3928 | efd990e4 | Guido Trotter | else:
|
3929 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
3930 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3931 | efd990e4 | Guido Trotter | |
3932 | efd990e4 | Guido Trotter | def DeclareLocks(self, level): |
3933 | efd990e4 | Guido Trotter | # If we're not already locking all nodes in the set we have to declare the
|
3934 | efd990e4 | Guido Trotter | # instance's primary/secondary nodes.
|
3935 | efd990e4 | Guido Trotter | if (level == locking.LEVEL_NODE and |
3936 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET): |
3937 | efd990e4 | Guido Trotter | self._LockInstancesNodes()
|
3938 | a8083063 | Iustin Pop | |
3939 | b6e82a65 | Iustin Pop | def _RunAllocator(self): |
3940 | b6e82a65 | Iustin Pop | """Compute a new secondary node using an IAllocator.
|
3941 | b6e82a65 | Iustin Pop |
|
3942 | b6e82a65 | Iustin Pop | """
|
3943 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
3944 | b6e82a65 | Iustin Pop | mode=constants.IALLOCATOR_MODE_RELOC, |
3945 | b6e82a65 | Iustin Pop | name=self.op.instance_name,
|
3946 | b6e82a65 | Iustin Pop | relocate_from=[self.sec_node])
|
3947 | b6e82a65 | Iustin Pop | |
3948 | b6e82a65 | Iustin Pop | ial.Run(self.op.iallocator)
|
3949 | b6e82a65 | Iustin Pop | |
3950 | b6e82a65 | Iustin Pop | if not ial.success: |
3951 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
3952 | b6e82a65 | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
3953 | b6e82a65 | Iustin Pop | ial.info)) |
3954 | b6e82a65 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
3955 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
3956 | b6e82a65 | Iustin Pop | " of nodes (%s), required %s" %
|
3957 | b6e82a65 | Iustin Pop | (len(ial.nodes), ial.required_nodes))
|
3958 | b6e82a65 | Iustin Pop | self.op.remote_node = ial.nodes[0] |
3959 | 86d9d3bb | Iustin Pop | self.LogInfo("Selected new secondary for the instance: %s", |
3960 | 86d9d3bb | Iustin Pop | self.op.remote_node)
|
3961 | b6e82a65 | Iustin Pop | |
3962 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3963 | a8083063 | Iustin Pop | """Build hooks env.
|
3964 | a8083063 | Iustin Pop |
|
3965 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3966 | a8083063 | Iustin Pop |
|
3967 | a8083063 | Iustin Pop | """
|
3968 | a8083063 | Iustin Pop | env = { |
3969 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
3970 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3971 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.instance.secondary_nodes[0], |
3972 | a8083063 | Iustin Pop | } |
3973 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
3974 | 0834c866 | Iustin Pop | nl = [ |
3975 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
3976 | 0834c866 | Iustin Pop | self.instance.primary_node,
|
3977 | 0834c866 | Iustin Pop | ] |
3978 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
3979 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
3980 | a8083063 | Iustin Pop | return env, nl, nl
|
3981 | a8083063 | Iustin Pop | |
3982 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3983 | a8083063 | Iustin Pop | """Check prerequisites.
|
3984 | a8083063 | Iustin Pop |
|
3985 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3986 | a8083063 | Iustin Pop |
|
3987 | a8083063 | Iustin Pop | """
|
3988 | efd990e4 | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3989 | efd990e4 | Guido Trotter | assert instance is not None, \ |
3990 | efd990e4 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3991 | a8083063 | Iustin Pop | self.instance = instance
|
3992 | a8083063 | Iustin Pop | |
3993 | a9e0c397 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
3994 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3995 | a9e0c397 | Iustin Pop | " network mirrored.")
|
3996 | a8083063 | Iustin Pop | |
3997 | a8083063 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
3998 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
3999 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
4000 | 3ecf6786 | Iustin Pop | len(instance.secondary_nodes))
|
4001 | a8083063 | Iustin Pop | |
4002 | a9e0c397 | Iustin Pop | self.sec_node = instance.secondary_nodes[0] |
4003 | a9e0c397 | Iustin Pop | |
4004 | b6e82a65 | Iustin Pop | ia_name = getattr(self.op, "iallocator", None) |
4005 | b6e82a65 | Iustin Pop | if ia_name is not None: |
4006 | de8c7666 | Guido Trotter | self._RunAllocator()
|
4007 | b6e82a65 | Iustin Pop | |
4008 | b6e82a65 | Iustin Pop | remote_node = self.op.remote_node
|
4009 | a9e0c397 | Iustin Pop | if remote_node is not None: |
4010 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
4011 | efd990e4 | Guido Trotter | assert self.remote_node_info is not None, \ |
4012 | efd990e4 | Guido Trotter | "Cannot retrieve locked node %s" % remote_node
|
4013 | a9e0c397 | Iustin Pop | else:
|
4014 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
4015 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
4016 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
4017 | 3ecf6786 | Iustin Pop | " the instance.")
|
4018 | a9e0c397 | Iustin Pop | elif remote_node == self.sec_node: |
4019 | 0834c866 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_SEC: |
4020 | 0834c866 | Iustin Pop | # this is for DRBD8, where we can't execute the same mode of
|
4021 | 0834c866 | Iustin Pop | # replacement as for drbd7 (no different port allocated)
|
4022 | 0834c866 | Iustin Pop | raise errors.OpPrereqError("Same secondary given, cannot execute" |
4023 | 0834c866 | Iustin Pop | " replacement")
|
4024 | a9e0c397 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
4025 | 7df43a76 | Iustin Pop | if (self.op.mode == constants.REPLACE_DISK_ALL and |
4026 | 7df43a76 | Iustin Pop | remote_node is not None): |
4027 | 7df43a76 | Iustin Pop | # switch to replace secondary mode
|
4028 | 7df43a76 | Iustin Pop | self.op.mode = constants.REPLACE_DISK_SEC
|
4029 | 7df43a76 | Iustin Pop | |
4030 | a9e0c397 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_ALL: |
4031 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' only allows primary or" |
4032 | a9e0c397 | Iustin Pop | " secondary disk replacement, not"
|
4033 | a9e0c397 | Iustin Pop | " both at once")
|
4034 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_PRI: |
4035 | a9e0c397 | Iustin Pop | if remote_node is not None: |
4036 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' does not allow changing" |
4037 | a9e0c397 | Iustin Pop | " the secondary while doing a primary"
|
4038 | a9e0c397 | Iustin Pop | " node disk replacement")
|
4039 | a9e0c397 | Iustin Pop | self.tgt_node = instance.primary_node
|
4040 | cff90b79 | Iustin Pop | self.oth_node = instance.secondary_nodes[0] |
4041 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_SEC: |
4042 | a9e0c397 | Iustin Pop | self.new_node = remote_node # this can be None, in which case |
4043 | a9e0c397 | Iustin Pop | # we don't change the secondary
|
4044 | a9e0c397 | Iustin Pop | self.tgt_node = instance.secondary_nodes[0] |
4045 | cff90b79 | Iustin Pop | self.oth_node = instance.primary_node
|
4046 | a9e0c397 | Iustin Pop | else:
|
4047 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replace mode") |
4048 | a9e0c397 | Iustin Pop | |
4049 | 54155f52 | Iustin Pop | if not self.op.disks: |
4050 | 54155f52 | Iustin Pop | self.op.disks = range(len(instance.disks)) |
4051 | 54155f52 | Iustin Pop | |
4052 | 54155f52 | Iustin Pop | for disk_idx in self.op.disks: |
4053 | 3e0cea06 | Iustin Pop | instance.FindDisk(disk_idx) |
4054 | a8083063 | Iustin Pop | |
4055 | a9e0c397 | Iustin Pop | def _ExecD8DiskOnly(self, feedback_fn): |
4056 | a9e0c397 | Iustin Pop | """Replace a disk on the primary or secondary for dbrd8.
|
4057 | a9e0c397 | Iustin Pop |
|
4058 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
4059 | e4376078 | Iustin Pop |
|
4060 | e4376078 | Iustin Pop | 1. for each disk to be replaced:
|
4061 | e4376078 | Iustin Pop |
|
4062 | e4376078 | Iustin Pop | 1. create new LVs on the target node with unique names
|
4063 | e4376078 | Iustin Pop | 1. detach old LVs from the drbd device
|
4064 | e4376078 | Iustin Pop | 1. rename old LVs to name_replaced.<time_t>
|
4065 | e4376078 | Iustin Pop | 1. rename new LVs to old LVs
|
4066 | e4376078 | Iustin Pop | 1. attach the new LVs (with the old names now) to the drbd device
|
4067 | e4376078 | Iustin Pop |
|
4068 | e4376078 | Iustin Pop | 1. wait for sync across all devices
|
4069 | e4376078 | Iustin Pop |
|
4070 | e4376078 | Iustin Pop | 1. for each modified disk:
|
4071 | e4376078 | Iustin Pop |
|
4072 | e4376078 | Iustin Pop | 1. remove old LVs (which have the name name_replaces.<time_t>)
|
4073 | a9e0c397 | Iustin Pop |
|
4074 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
4075 | cff90b79 | Iustin Pop |
|
4076 | a9e0c397 | Iustin Pop | """
|
4077 | cff90b79 | Iustin Pop | steps_total = 6
|
4078 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
4079 | a9e0c397 | Iustin Pop | instance = self.instance
|
4080 | a9e0c397 | Iustin Pop | iv_names = {} |
4081 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4082 | a9e0c397 | Iustin Pop | # start of work
|
4083 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
4084 | a9e0c397 | Iustin Pop | tgt_node = self.tgt_node
|
4085 | cff90b79 | Iustin Pop | oth_node = self.oth_node
|
4086 | cff90b79 | Iustin Pop | |
4087 | cff90b79 | Iustin Pop | # Step: check device activation
|
4088 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
4089 | cff90b79 | Iustin Pop | info("checking volume groups")
|
4090 | cff90b79 | Iustin Pop | my_vg = cfg.GetVGName() |
4091 | 72737a7f | Iustin Pop | results = self.rpc.call_vg_list([oth_node, tgt_node])
|
4092 | cff90b79 | Iustin Pop | if not results: |
4093 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
4094 | cff90b79 | Iustin Pop | for node in oth_node, tgt_node: |
4095 | cff90b79 | Iustin Pop | res = results.get(node, False)
|
4096 | cff90b79 | Iustin Pop | if not res or my_vg not in res: |
4097 | cff90b79 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
4098 | cff90b79 | Iustin Pop | (my_vg, node)) |
4099 | 54155f52 | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4100 | 54155f52 | Iustin Pop | if idx not in self.op.disks: |
4101 | cff90b79 | Iustin Pop | continue
|
4102 | cff90b79 | Iustin Pop | for node in tgt_node, oth_node: |
4103 | 54155f52 | Iustin Pop | info("checking disk/%d on %s" % (idx, node))
|
4104 | cff90b79 | Iustin Pop | cfg.SetDiskID(dev, node) |
4105 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_find(node, dev): |
4106 | 54155f52 | Iustin Pop | raise errors.OpExecError("Can't find disk/%d on node %s" % |
4107 | 54155f52 | Iustin Pop | (idx, node)) |
4108 | cff90b79 | Iustin Pop | |
4109 | cff90b79 | Iustin Pop | # Step: check other node consistency
|
4110 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
4111 | 54155f52 | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4112 | 54155f52 | Iustin Pop | if idx not in self.op.disks: |
4113 | cff90b79 | Iustin Pop | continue
|
4114 | 54155f52 | Iustin Pop | info("checking disk/%d consistency on %s" % (idx, oth_node))
|
4115 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, oth_node, |
4116 | cff90b79 | Iustin Pop | oth_node==instance.primary_node): |
4117 | cff90b79 | Iustin Pop | raise errors.OpExecError("Peer node (%s) has degraded storage, unsafe" |
4118 | cff90b79 | Iustin Pop | " to replace disks on this node (%s)" %
|
4119 | cff90b79 | Iustin Pop | (oth_node, tgt_node)) |
4120 | cff90b79 | Iustin Pop | |
4121 | cff90b79 | Iustin Pop | # Step: create new storage
|
4122 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
4123 | 54155f52 | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4124 | 54155f52 | Iustin Pop | if idx not in self.op.disks: |
4125 | a9e0c397 | Iustin Pop | continue
|
4126 | a9e0c397 | Iustin Pop | size = dev.size |
4127 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, tgt_node) |
4128 | 54155f52 | Iustin Pop | lv_names = [".disk%d_%s" % (idx, suf)
|
4129 | 54155f52 | Iustin Pop | for suf in ["data", "meta"]] |
4130 | b9bddb6b | Iustin Pop | names = _GenerateUniqueNames(self, lv_names)
|
4131 | a9e0c397 | Iustin Pop | lv_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
4132 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
4133 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
4134 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
4135 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
4136 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
4137 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
4138 | cff90b79 | Iustin Pop | info("creating new local storage on %s for %s" %
|
4139 | cff90b79 | Iustin Pop | (tgt_node, dev.iv_name)) |
4140 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
4141 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
4142 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
4143 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
4144 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(self, tgt_node, instance, new_lv, |
4145 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
4146 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
4147 | a9e0c397 | Iustin Pop | " node '%s'" %
|
4148 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], tgt_node))
|
4149 | a9e0c397 | Iustin Pop | |
4150 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
4151 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "change drbd configuration") |
4152 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
4153 | cff90b79 | Iustin Pop | info("detaching %s drbd from local storage" % dev.iv_name)
|
4154 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_removechildren(tgt_node, dev, old_lvs): |
4155 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Can't detach drbd from local storage on node" |
4156 | a9e0c397 | Iustin Pop | " %s for device %s" % (tgt_node, dev.iv_name))
|
4157 | cff90b79 | Iustin Pop | #dev.children = []
|
4158 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
4159 | a9e0c397 | Iustin Pop | |
4160 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
4161 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
4162 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
4163 | c99a3cc0 | Manuel Franceschini | # using the assumption that logical_id == physical_id (which in
|
4164 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
4165 | cff90b79 | Iustin Pop | |
4166 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
4167 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
4168 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
4169 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
4170 | cff90b79 | Iustin Pop | # build the rename list based on what LVs exist on the node
|
4171 | cff90b79 | Iustin Pop | rlist = [] |
4172 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
4173 | 72737a7f | Iustin Pop | find_res = self.rpc.call_blockdev_find(tgt_node, to_ren)
|
4174 | cff90b79 | Iustin Pop | if find_res is not None: # device exists |
4175 | cff90b79 | Iustin Pop | rlist.append((to_ren, ren_fn(to_ren, temp_suffix))) |
4176 | cff90b79 | Iustin Pop | |
4177 | cff90b79 | Iustin Pop | info("renaming the old LVs on the target node")
|
4178 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_rename(tgt_node, rlist): |
4179 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename old LVs on node %s" % tgt_node) |
4180 | a9e0c397 | Iustin Pop | # now we rename the new LVs to the old LVs
|
4181 | cff90b79 | Iustin Pop | info("renaming the new LVs on the target node")
|
4182 | a9e0c397 | Iustin Pop | rlist = [(new, old.physical_id) for old, new in zip(old_lvs, new_lvs)] |
4183 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_rename(tgt_node, rlist): |
4184 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename new LVs on node %s" % tgt_node) |
4185 | cff90b79 | Iustin Pop | |
4186 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
4187 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
4188 | cff90b79 | Iustin Pop | cfg.SetDiskID(new, tgt_node) |
4189 | a9e0c397 | Iustin Pop | |
4190 | cff90b79 | Iustin Pop | for disk in old_lvs: |
4191 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
4192 | cff90b79 | Iustin Pop | cfg.SetDiskID(disk, tgt_node) |
4193 | a9e0c397 | Iustin Pop | |
4194 | a9e0c397 | Iustin Pop | # now that the new lvs have the old name, we can add them to the device
|
4195 | cff90b79 | Iustin Pop | info("adding new mirror component on %s" % tgt_node)
|
4196 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_addchildren(tgt_node, dev, new_lvs): |
4197 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
4198 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_remove(tgt_node, new_lv): |
4199 | 79caa9ed | Guido Trotter | warning("Can't rollback device %s", hint="manually cleanup unused" |
4200 | cff90b79 | Iustin Pop | " logical volumes")
|
4201 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd") |
4202 | a9e0c397 | Iustin Pop | |
4203 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
4204 | a9e0c397 | Iustin Pop | cfg.Update(instance) |
4205 | a9e0c397 | Iustin Pop | |
4206 | cff90b79 | Iustin Pop | # Step: wait for sync
|
4207 | a9e0c397 | Iustin Pop | |
4208 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
4209 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
4210 | a9e0c397 | Iustin Pop | # return value
|
4211 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
4212 | b9bddb6b | Iustin Pop | _WaitForSync(self, instance, unlock=True) |
4213 | a9e0c397 | Iustin Pop | |
4214 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
4215 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
4216 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
4217 | 72737a7f | Iustin Pop | is_degr = self.rpc.call_blockdev_find(instance.primary_node, dev)[5] |
4218 | a9e0c397 | Iustin Pop | if is_degr:
|
4219 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
4220 | a9e0c397 | Iustin Pop | |
4221 | cff90b79 | Iustin Pop | # Step: remove old storage
|
4222 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
4223 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
4224 | cff90b79 | Iustin Pop | info("remove logical volumes for %s" % name)
|
4225 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
4226 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, tgt_node) |
4227 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_remove(tgt_node, lv): |
4228 | 79caa9ed | Guido Trotter | warning("Can't remove old LV", hint="manually remove unused LVs") |
4229 | a9e0c397 | Iustin Pop | continue
|
4230 | a9e0c397 | Iustin Pop | |
4231 | a9e0c397 | Iustin Pop | def _ExecD8Secondary(self, feedback_fn): |
4232 | a9e0c397 | Iustin Pop | """Replace the secondary node for drbd8.
|
4233 | a9e0c397 | Iustin Pop |
|
4234 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
4235 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
4236 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
4237 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
4238 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
4239 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
4240 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
4241 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
4242 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
4243 | a9e0c397 | Iustin Pop | not network enabled
|
4244 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
4245 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
4246 | a9e0c397 | Iustin Pop |
|
4247 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
4248 | 0834c866 | Iustin Pop |
|
4249 | a9e0c397 | Iustin Pop | """
|
4250 | 0834c866 | Iustin Pop | steps_total = 6
|
4251 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
4252 | a9e0c397 | Iustin Pop | instance = self.instance
|
4253 | a9e0c397 | Iustin Pop | iv_names = {} |
4254 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4255 | a9e0c397 | Iustin Pop | # start of work
|
4256 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
4257 | a9e0c397 | Iustin Pop | old_node = self.tgt_node
|
4258 | a9e0c397 | Iustin Pop | new_node = self.new_node
|
4259 | a9e0c397 | Iustin Pop | pri_node = instance.primary_node |
4260 | 0834c866 | Iustin Pop | |
4261 | 0834c866 | Iustin Pop | # Step: check device activation
|
4262 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
4263 | 0834c866 | Iustin Pop | info("checking volume groups")
|
4264 | 0834c866 | Iustin Pop | my_vg = cfg.GetVGName() |
4265 | 72737a7f | Iustin Pop | results = self.rpc.call_vg_list([pri_node, new_node])
|
4266 | 0834c866 | Iustin Pop | if not results: |
4267 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
4268 | 0834c866 | Iustin Pop | for node in pri_node, new_node: |
4269 | 0834c866 | Iustin Pop | res = results.get(node, False)
|
4270 | 0834c866 | Iustin Pop | if not res or my_vg not in res: |
4271 | 0834c866 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
4272 | 0834c866 | Iustin Pop | (my_vg, node)) |
4273 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4274 | d418ebfb | Iustin Pop | if idx not in self.op.disks: |
4275 | 0834c866 | Iustin Pop | continue
|
4276 | d418ebfb | Iustin Pop | info("checking disk/%d on %s" % (idx, pri_node))
|
4277 | 0834c866 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4278 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_find(pri_node, dev): |
4279 | d418ebfb | Iustin Pop | raise errors.OpExecError("Can't find disk/%d on node %s" % |
4280 | d418ebfb | Iustin Pop | (idx, pri_node)) |
4281 | 0834c866 | Iustin Pop | |
4282 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
4283 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
4284 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4285 | d418ebfb | Iustin Pop | if idx not in self.op.disks: |
4286 | 0834c866 | Iustin Pop | continue
|
4287 | d418ebfb | Iustin Pop | info("checking disk/%d consistency on %s" % (idx, pri_node))
|
4288 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, pri_node, True, ldisk=True): |
4289 | 0834c866 | Iustin Pop | raise errors.OpExecError("Primary node (%s) has degraded storage," |
4290 | 0834c866 | Iustin Pop | " unsafe to replace the secondary" %
|
4291 | 0834c866 | Iustin Pop | pri_node) |
4292 | 0834c866 | Iustin Pop | |
4293 | 0834c866 | Iustin Pop | # Step: create new storage
|
4294 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
4295 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4296 | a9e0c397 | Iustin Pop | size = dev.size |
4297 | d418ebfb | Iustin Pop | info("adding new local storage on %s for disk/%d" %
|
4298 | d418ebfb | Iustin Pop | (new_node, idx)) |
4299 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
4300 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
4301 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
4302 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
4303 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(self, new_node, instance, new_lv, |
4304 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
4305 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
4306 | a9e0c397 | Iustin Pop | " node '%s'" %
|
4307 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], new_node))
|
4308 | a9e0c397 | Iustin Pop | |
4309 | 468b46f9 | Iustin Pop | # Step 4: dbrd minors and drbd setups changes
|
4310 | a1578d63 | Iustin Pop | # after this, we must manually remove the drbd minors on both the
|
4311 | a1578d63 | Iustin Pop | # error and the success paths
|
4312 | a1578d63 | Iustin Pop | minors = cfg.AllocateDRBDMinor([new_node for dev in instance.disks], |
4313 | a1578d63 | Iustin Pop | instance.name) |
4314 | 468b46f9 | Iustin Pop | logging.debug("Allocated minors %s" % (minors,))
|
4315 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "changing drbd configuration") |
4316 | d418ebfb | Iustin Pop | for idx, (dev, new_minor) in enumerate(zip(instance.disks, minors)): |
4317 | 0834c866 | Iustin Pop | size = dev.size |
4318 | d418ebfb | Iustin Pop | info("activating a new drbd on %s for disk/%d" % (new_node, idx))
|
4319 | a9e0c397 | Iustin Pop | # create new devices on new_node
|
4320 | ffa1c0dc | Iustin Pop | if pri_node == dev.logical_id[0]: |
4321 | ffa1c0dc | Iustin Pop | new_logical_id = (pri_node, new_node, |
4322 | f9518d38 | Iustin Pop | dev.logical_id[2], dev.logical_id[3], new_minor, |
4323 | f9518d38 | Iustin Pop | dev.logical_id[5])
|
4324 | ffa1c0dc | Iustin Pop | else:
|
4325 | ffa1c0dc | Iustin Pop | new_logical_id = (new_node, pri_node, |
4326 | f9518d38 | Iustin Pop | dev.logical_id[2], new_minor, dev.logical_id[4], |
4327 | f9518d38 | Iustin Pop | dev.logical_id[5])
|
4328 | d418ebfb | Iustin Pop | iv_names[idx] = (dev, dev.children, new_logical_id) |
4329 | a1578d63 | Iustin Pop | logging.debug("Allocated new_minor: %s, new_logical_id: %s", new_minor,
|
4330 | a1578d63 | Iustin Pop | new_logical_id) |
4331 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
4332 | ffa1c0dc | Iustin Pop | logical_id=new_logical_id, |
4333 | a9e0c397 | Iustin Pop | children=dev.children) |
4334 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(self, new_node, instance, |
4335 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
4336 | b9bddb6b | Iustin Pop | _GetInstanceInfoText(instance)): |
4337 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
4338 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new DRBD on" |
4339 | a9e0c397 | Iustin Pop | " node '%s'" % new_node)
|
4340 | a9e0c397 | Iustin Pop | |
4341 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4342 | a9e0c397 | Iustin Pop | # we have new devices, shutdown the drbd on the old secondary
|
4343 | d418ebfb | Iustin Pop | info("shutting down drbd for disk/%d on old node" % idx)
|
4344 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, old_node) |
4345 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_shutdown(old_node, dev): |
4346 | d418ebfb | Iustin Pop | warning("Failed to shutdown drbd for disk/%d on old node" % idx,
|
4347 | 79caa9ed | Guido Trotter | hint="Please cleanup this device manually as soon as possible")
|
4348 | a9e0c397 | Iustin Pop | |
4349 | 642445d9 | Iustin Pop | info("detaching primary drbds from the network (=> standalone)")
|
4350 | 642445d9 | Iustin Pop | done = 0
|
4351 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4352 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4353 | f9518d38 | Iustin Pop | # set the network part of the physical (unique in bdev terms) id
|
4354 | f9518d38 | Iustin Pop | # to None, meaning detach from network
|
4355 | f9518d38 | Iustin Pop | dev.physical_id = (None, None, None, None) + dev.physical_id[4:] |
4356 | 642445d9 | Iustin Pop | # and 'find' the device, which will 'fix' it to match the
|
4357 | 642445d9 | Iustin Pop | # standalone state
|
4358 | 72737a7f | Iustin Pop | if self.rpc.call_blockdev_find(pri_node, dev): |
4359 | 642445d9 | Iustin Pop | done += 1
|
4360 | 642445d9 | Iustin Pop | else:
|
4361 | d418ebfb | Iustin Pop | warning("Failed to detach drbd disk/%d from network, unusual case" %
|
4362 | d418ebfb | Iustin Pop | idx) |
4363 | 642445d9 | Iustin Pop | |
4364 | 642445d9 | Iustin Pop | if not done: |
4365 | 642445d9 | Iustin Pop | # no detaches succeeded (very unlikely)
|
4366 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
4367 | 642445d9 | Iustin Pop | raise errors.OpExecError("Can't detach at least one DRBD from old node") |
4368 | 642445d9 | Iustin Pop | |
4369 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
4370 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
4371 | 642445d9 | Iustin Pop | info("updating instance configuration")
|
4372 | 468b46f9 | Iustin Pop | for dev, _, new_logical_id in iv_names.itervalues(): |
4373 | 468b46f9 | Iustin Pop | dev.logical_id = new_logical_id |
4374 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4375 | 642445d9 | Iustin Pop | cfg.Update(instance) |
4376 | a1578d63 | Iustin Pop | # we can remove now the temp minors as now the new values are
|
4377 | a1578d63 | Iustin Pop | # written to the config file (and therefore stable)
|
4378 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
4379 | a9e0c397 | Iustin Pop | |
4380 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
4381 | 642445d9 | Iustin Pop | info("attaching primary drbds to new secondary (standalone => connected)")
|
4382 | 642445d9 | Iustin Pop | failures = [] |
4383 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4384 | d418ebfb | Iustin Pop | info("attaching primary drbd for disk/%d to new secondary node" % idx)
|
4385 | 642445d9 | Iustin Pop | # since the attach is smart, it's enough to 'find' the device,
|
4386 | 642445d9 | Iustin Pop | # it will automatically activate the network, if the physical_id
|
4387 | 642445d9 | Iustin Pop | # is correct
|
4388 | 642445d9 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4389 | ffa1c0dc | Iustin Pop | logging.debug("Disk to attach: %s", dev)
|
4390 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_find(pri_node, dev): |
4391 | d418ebfb | Iustin Pop | warning("can't attach drbd disk/%d to new secondary!" % idx,
|
4392 | 642445d9 | Iustin Pop | "please do a gnt-instance info to see the status of disks")
|
4393 | a9e0c397 | Iustin Pop | |
4394 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
4395 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
4396 | a9e0c397 | Iustin Pop | # return value
|
4397 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
4398 | b9bddb6b | Iustin Pop | _WaitForSync(self, instance, unlock=True) |
4399 | a9e0c397 | Iustin Pop | |
4400 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
4401 | d418ebfb | Iustin Pop | for idx, (dev, old_lvs, _) in iv_names.iteritems(): |
4402 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4403 | 72737a7f | Iustin Pop | is_degr = self.rpc.call_blockdev_find(pri_node, dev)[5] |
4404 | a9e0c397 | Iustin Pop | if is_degr:
|
4405 | d418ebfb | Iustin Pop | raise errors.OpExecError("DRBD device disk/%d is degraded!" % idx) |
4406 | a9e0c397 | Iustin Pop | |
4407 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
4408 | d418ebfb | Iustin Pop | for idx, (dev, old_lvs, _) in iv_names.iteritems(): |
4409 | d418ebfb | Iustin Pop | info("remove logical volumes for disk/%d" % idx)
|
4410 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
4411 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, old_node) |
4412 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_remove(old_node, lv): |
4413 | 0834c866 | Iustin Pop | warning("Can't remove LV on old secondary",
|
4414 | 79caa9ed | Guido Trotter | hint="Cleanup stale volumes by hand")
|
4415 | a9e0c397 | Iustin Pop | |
4416 | a9e0c397 | Iustin Pop | def Exec(self, feedback_fn): |
4417 | a9e0c397 | Iustin Pop | """Execute disk replacement.
|
4418 | a9e0c397 | Iustin Pop |
|
4419 | a9e0c397 | Iustin Pop | This dispatches the disk replacement to the appropriate handler.
|
4420 | a9e0c397 | Iustin Pop |
|
4421 | a9e0c397 | Iustin Pop | """
|
4422 | a9e0c397 | Iustin Pop | instance = self.instance
|
4423 | 22985314 | Guido Trotter | |
4424 | 22985314 | Guido Trotter | # Activate the instance disks if we're replacing them on a down instance
|
4425 | 22985314 | Guido Trotter | if instance.status == "down": |
4426 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, True) |
4427 | 22985314 | Guido Trotter | |
4428 | abdf0113 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
4429 | a9e0c397 | Iustin Pop | if self.op.remote_node is None: |
4430 | a9e0c397 | Iustin Pop | fn = self._ExecD8DiskOnly
|
4431 | a9e0c397 | Iustin Pop | else:
|
4432 | a9e0c397 | Iustin Pop | fn = self._ExecD8Secondary
|
4433 | a9e0c397 | Iustin Pop | else:
|
4434 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replacement case") |
4435 | 22985314 | Guido Trotter | |
4436 | 22985314 | Guido Trotter | ret = fn(feedback_fn) |
4437 | 22985314 | Guido Trotter | |
4438 | 22985314 | Guido Trotter | # Deactivate the instance disks if we're replacing them on a down instance
|
4439 | 22985314 | Guido Trotter | if instance.status == "down": |
4440 | b9bddb6b | Iustin Pop | _SafeShutdownInstanceDisks(self, instance)
|
4441 | 22985314 | Guido Trotter | |
4442 | 22985314 | Guido Trotter | return ret
|
4443 | a9e0c397 | Iustin Pop | |
4444 | a8083063 | Iustin Pop | |
4445 | 8729e0d7 | Iustin Pop | class LUGrowDisk(LogicalUnit): |
4446 | 8729e0d7 | Iustin Pop | """Grow a disk of an instance.
|
4447 | 8729e0d7 | Iustin Pop |
|
4448 | 8729e0d7 | Iustin Pop | """
|
4449 | 8729e0d7 | Iustin Pop | HPATH = "disk-grow"
|
4450 | 8729e0d7 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4451 | 6605411d | Iustin Pop | _OP_REQP = ["instance_name", "disk", "amount", "wait_for_sync"] |
4452 | 31e63dbf | Guido Trotter | REQ_BGL = False
|
4453 | 31e63dbf | Guido Trotter | |
4454 | 31e63dbf | Guido Trotter | def ExpandNames(self): |
4455 | 31e63dbf | Guido Trotter | self._ExpandAndLockInstance()
|
4456 | 31e63dbf | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
4457 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4458 | 31e63dbf | Guido Trotter | |
4459 | 31e63dbf | Guido Trotter | def DeclareLocks(self, level): |
4460 | 31e63dbf | Guido Trotter | if level == locking.LEVEL_NODE:
|
4461 | 31e63dbf | Guido Trotter | self._LockInstancesNodes()
|
4462 | 8729e0d7 | Iustin Pop | |
4463 | 8729e0d7 | Iustin Pop | def BuildHooksEnv(self): |
4464 | 8729e0d7 | Iustin Pop | """Build hooks env.
|
4465 | 8729e0d7 | Iustin Pop |
|
4466 | 8729e0d7 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
4467 | 8729e0d7 | Iustin Pop |
|
4468 | 8729e0d7 | Iustin Pop | """
|
4469 | 8729e0d7 | Iustin Pop | env = { |
4470 | 8729e0d7 | Iustin Pop | "DISK": self.op.disk, |
4471 | 8729e0d7 | Iustin Pop | "AMOUNT": self.op.amount, |
4472 | 8729e0d7 | Iustin Pop | } |
4473 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
4474 | 8729e0d7 | Iustin Pop | nl = [ |
4475 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
4476 | 8729e0d7 | Iustin Pop | self.instance.primary_node,
|
4477 | 8729e0d7 | Iustin Pop | ] |
4478 | 8729e0d7 | Iustin Pop | return env, nl, nl
|
4479 | 8729e0d7 | Iustin Pop | |
4480 | 8729e0d7 | Iustin Pop | def CheckPrereq(self): |
4481 | 8729e0d7 | Iustin Pop | """Check prerequisites.
|
4482 | 8729e0d7 | Iustin Pop |
|
4483 | 8729e0d7 | Iustin Pop | This checks that the instance is in the cluster.
|
4484 | 8729e0d7 | Iustin Pop |
|
4485 | 8729e0d7 | Iustin Pop | """
|
4486 | 31e63dbf | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4487 | 31e63dbf | Guido Trotter | assert instance is not None, \ |
4488 | 31e63dbf | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4489 | 31e63dbf | Guido Trotter | |
4490 | 8729e0d7 | Iustin Pop | self.instance = instance
|
4491 | 8729e0d7 | Iustin Pop | |
4492 | 8729e0d7 | Iustin Pop | if instance.disk_template not in (constants.DT_PLAIN, constants.DT_DRBD8): |
4493 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout does not support" |
4494 | 8729e0d7 | Iustin Pop | " growing.")
|
4495 | 8729e0d7 | Iustin Pop | |
4496 | ad24e046 | Iustin Pop | self.disk = instance.FindDisk(self.op.disk) |
4497 | 8729e0d7 | Iustin Pop | |
4498 | 8729e0d7 | Iustin Pop | nodenames = [instance.primary_node] + list(instance.secondary_nodes)
|
4499 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
4500 | 72737a7f | Iustin Pop | instance.hypervisor) |
4501 | 8729e0d7 | Iustin Pop | for node in nodenames: |
4502 | 8729e0d7 | Iustin Pop | info = nodeinfo.get(node, None)
|
4503 | 8729e0d7 | Iustin Pop | if not info: |
4504 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
4505 | 8729e0d7 | Iustin Pop | " from node '%s'" % node)
|
4506 | 8729e0d7 | Iustin Pop | vg_free = info.get('vg_free', None) |
4507 | 8729e0d7 | Iustin Pop | if not isinstance(vg_free, int): |
4508 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
4509 | 8729e0d7 | Iustin Pop | " node %s" % node)
|
4510 | 8729e0d7 | Iustin Pop | if self.op.amount > info['vg_free']: |
4511 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s:" |
4512 | 8729e0d7 | Iustin Pop | " %d MiB available, %d MiB required" %
|
4513 | 8729e0d7 | Iustin Pop | (node, info['vg_free'], self.op.amount)) |
4514 | 8729e0d7 | Iustin Pop | |
4515 | 8729e0d7 | Iustin Pop | def Exec(self, feedback_fn): |
4516 | 8729e0d7 | Iustin Pop | """Execute disk grow.
|
4517 | 8729e0d7 | Iustin Pop |
|
4518 | 8729e0d7 | Iustin Pop | """
|
4519 | 8729e0d7 | Iustin Pop | instance = self.instance
|
4520 | ad24e046 | Iustin Pop | disk = self.disk
|
4521 | 8729e0d7 | Iustin Pop | for node in (instance.secondary_nodes + (instance.primary_node,)): |
4522 | 8729e0d7 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
4523 | 72737a7f | Iustin Pop | result = self.rpc.call_blockdev_grow(node, disk, self.op.amount) |
4524 | 72737a7f | Iustin Pop | if (not result or not isinstance(result, (list, tuple)) or |
4525 | 72737a7f | Iustin Pop | len(result) != 2): |
4526 | 8729e0d7 | Iustin Pop | raise errors.OpExecError("grow request failed to node %s" % node) |
4527 | 8729e0d7 | Iustin Pop | elif not result[0]: |
4528 | 8729e0d7 | Iustin Pop | raise errors.OpExecError("grow request failed to node %s: %s" % |
4529 | 8729e0d7 | Iustin Pop | (node, result[1]))
|
4530 | 8729e0d7 | Iustin Pop | disk.RecordGrow(self.op.amount)
|
4531 | 8729e0d7 | Iustin Pop | self.cfg.Update(instance)
|
4532 | 6605411d | Iustin Pop | if self.op.wait_for_sync: |
4533 | cd4d138f | Guido Trotter | disk_abort = not _WaitForSync(self, instance) |
4534 | 6605411d | Iustin Pop | if disk_abort:
|
4535 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Warning: disk sync-ing has not returned a good" |
4536 | 86d9d3bb | Iustin Pop | " status.\nPlease check the instance.")
|
4537 | 8729e0d7 | Iustin Pop | |
4538 | 8729e0d7 | Iustin Pop | |
4539 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
4540 | a8083063 | Iustin Pop | """Query runtime instance data.
|
4541 | a8083063 | Iustin Pop |
|
4542 | a8083063 | Iustin Pop | """
|
4543 | 57821cac | Iustin Pop | _OP_REQP = ["instances", "static"] |
4544 | a987fa48 | Guido Trotter | REQ_BGL = False
|
4545 | ae5849b5 | Michael Hanselmann | |
4546 | a987fa48 | Guido Trotter | def ExpandNames(self): |
4547 | a987fa48 | Guido Trotter | self.needed_locks = {}
|
4548 | a987fa48 | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
4549 | a987fa48 | Guido Trotter | |
4550 | a987fa48 | Guido Trotter | if not isinstance(self.op.instances, list): |
4551 | a987fa48 | Guido Trotter | raise errors.OpPrereqError("Invalid argument type 'instances'") |
4552 | a987fa48 | Guido Trotter | |
4553 | a987fa48 | Guido Trotter | if self.op.instances: |
4554 | a987fa48 | Guido Trotter | self.wanted_names = []
|
4555 | a987fa48 | Guido Trotter | for name in self.op.instances: |
4556 | a987fa48 | Guido Trotter | full_name = self.cfg.ExpandInstanceName(name)
|
4557 | a987fa48 | Guido Trotter | if full_name is None: |
4558 | a987fa48 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
4559 | a987fa48 | Guido Trotter | self.op.instance_name)
|
4560 | a987fa48 | Guido Trotter | self.wanted_names.append(full_name)
|
4561 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted_names |
4562 | a987fa48 | Guido Trotter | else:
|
4563 | a987fa48 | Guido Trotter | self.wanted_names = None |
4564 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = locking.ALL_SET
|
4565 | a987fa48 | Guido Trotter | |
4566 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
4567 | a987fa48 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4568 | a987fa48 | Guido Trotter | |
4569 | a987fa48 | Guido Trotter | def DeclareLocks(self, level): |
4570 | a987fa48 | Guido Trotter | if level == locking.LEVEL_NODE:
|
4571 | a987fa48 | Guido Trotter | self._LockInstancesNodes()
|
4572 | a8083063 | Iustin Pop | |
4573 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4574 | a8083063 | Iustin Pop | """Check prerequisites.
|
4575 | a8083063 | Iustin Pop |
|
4576 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
4577 | a8083063 | Iustin Pop |
|
4578 | a8083063 | Iustin Pop | """
|
4579 | a987fa48 | Guido Trotter | if self.wanted_names is None: |
4580 | a987fa48 | Guido Trotter | self.wanted_names = self.acquired_locks[locking.LEVEL_INSTANCE] |
4581 | a8083063 | Iustin Pop | |
4582 | a987fa48 | Guido Trotter | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
4583 | a987fa48 | Guido Trotter | in self.wanted_names] |
4584 | a987fa48 | Guido Trotter | return
|
4585 | a8083063 | Iustin Pop | |
4586 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
4587 | a8083063 | Iustin Pop | """Compute block device status.
|
4588 | a8083063 | Iustin Pop |
|
4589 | a8083063 | Iustin Pop | """
|
4590 | 57821cac | Iustin Pop | static = self.op.static
|
4591 | 57821cac | Iustin Pop | if not static: |
4592 | 57821cac | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
4593 | 57821cac | Iustin Pop | dev_pstatus = self.rpc.call_blockdev_find(instance.primary_node, dev)
|
4594 | 57821cac | Iustin Pop | else:
|
4595 | 57821cac | Iustin Pop | dev_pstatus = None
|
4596 | 57821cac | Iustin Pop | |
4597 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
4598 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
4599 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
4600 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
4601 | a8083063 | Iustin Pop | else:
|
4602 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
4603 | a8083063 | Iustin Pop | |
4604 | 57821cac | Iustin Pop | if snode and not static: |
4605 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
4606 | 72737a7f | Iustin Pop | dev_sstatus = self.rpc.call_blockdev_find(snode, dev)
|
4607 | a8083063 | Iustin Pop | else:
|
4608 | a8083063 | Iustin Pop | dev_sstatus = None
|
4609 | a8083063 | Iustin Pop | |
4610 | a8083063 | Iustin Pop | if dev.children:
|
4611 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
4612 | a8083063 | Iustin Pop | for child in dev.children] |
4613 | a8083063 | Iustin Pop | else:
|
4614 | a8083063 | Iustin Pop | dev_children = [] |
4615 | a8083063 | Iustin Pop | |
4616 | a8083063 | Iustin Pop | data = { |
4617 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
4618 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
4619 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
4620 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
4621 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
4622 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
4623 | a8083063 | Iustin Pop | "children": dev_children,
|
4624 | b6fdf8b8 | Iustin Pop | "mode": dev.mode,
|
4625 | a8083063 | Iustin Pop | } |
4626 | a8083063 | Iustin Pop | |
4627 | a8083063 | Iustin Pop | return data
|
4628 | a8083063 | Iustin Pop | |
4629 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4630 | a8083063 | Iustin Pop | """Gather and return data"""
|
4631 | a8083063 | Iustin Pop | result = {} |
4632 | 338e51e8 | Iustin Pop | |
4633 | 338e51e8 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
4634 | 338e51e8 | Iustin Pop | |
4635 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
4636 | 57821cac | Iustin Pop | if not self.op.static: |
4637 | 57821cac | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
4638 | 57821cac | Iustin Pop | instance.name, |
4639 | 57821cac | Iustin Pop | instance.hypervisor) |
4640 | 57821cac | Iustin Pop | if remote_info and "state" in remote_info: |
4641 | 57821cac | Iustin Pop | remote_state = "up"
|
4642 | 57821cac | Iustin Pop | else:
|
4643 | 57821cac | Iustin Pop | remote_state = "down"
|
4644 | a8083063 | Iustin Pop | else:
|
4645 | 57821cac | Iustin Pop | remote_state = None
|
4646 | a8083063 | Iustin Pop | if instance.status == "down": |
4647 | a8083063 | Iustin Pop | config_state = "down"
|
4648 | a8083063 | Iustin Pop | else:
|
4649 | a8083063 | Iustin Pop | config_state = "up"
|
4650 | a8083063 | Iustin Pop | |
4651 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
4652 | a8083063 | Iustin Pop | for device in instance.disks] |
4653 | a8083063 | Iustin Pop | |
4654 | a8083063 | Iustin Pop | idict = { |
4655 | a8083063 | Iustin Pop | "name": instance.name,
|
4656 | a8083063 | Iustin Pop | "config_state": config_state,
|
4657 | a8083063 | Iustin Pop | "run_state": remote_state,
|
4658 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
4659 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
4660 | a8083063 | Iustin Pop | "os": instance.os,
|
4661 | a8083063 | Iustin Pop | "nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics], |
4662 | a8083063 | Iustin Pop | "disks": disks,
|
4663 | e69d05fd | Iustin Pop | "hypervisor": instance.hypervisor,
|
4664 | 24838135 | Iustin Pop | "network_port": instance.network_port,
|
4665 | 24838135 | Iustin Pop | "hv_instance": instance.hvparams,
|
4666 | 338e51e8 | Iustin Pop | "hv_actual": cluster.FillHV(instance),
|
4667 | 338e51e8 | Iustin Pop | "be_instance": instance.beparams,
|
4668 | 338e51e8 | Iustin Pop | "be_actual": cluster.FillBE(instance),
|
4669 | a8083063 | Iustin Pop | } |
4670 | a8083063 | Iustin Pop | |
4671 | a8083063 | Iustin Pop | result[instance.name] = idict |
4672 | a8083063 | Iustin Pop | |
4673 | a8083063 | Iustin Pop | return result
|
4674 | a8083063 | Iustin Pop | |
4675 | a8083063 | Iustin Pop | |
4676 | 7767bbf5 | Manuel Franceschini | class LUSetInstanceParams(LogicalUnit): |
4677 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
4678 | a8083063 | Iustin Pop |
|
4679 | a8083063 | Iustin Pop | """
|
4680 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
4681 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4682 | 24991749 | Iustin Pop | _OP_REQP = ["instance_name"]
|
4683 | 1a5c7281 | Guido Trotter | REQ_BGL = False
|
4684 | 1a5c7281 | Guido Trotter | |
4685 | 24991749 | Iustin Pop | def CheckArguments(self): |
4686 | 24991749 | Iustin Pop | if not hasattr(self.op, 'nics'): |
4687 | 24991749 | Iustin Pop | self.op.nics = []
|
4688 | 24991749 | Iustin Pop | if not hasattr(self.op, 'disks'): |
4689 | 24991749 | Iustin Pop | self.op.disks = []
|
4690 | 24991749 | Iustin Pop | if not hasattr(self.op, 'beparams'): |
4691 | 24991749 | Iustin Pop | self.op.beparams = {}
|
4692 | 24991749 | Iustin Pop | if not hasattr(self.op, 'hvparams'): |
4693 | 24991749 | Iustin Pop | self.op.hvparams = {}
|
4694 | 24991749 | Iustin Pop | self.op.force = getattr(self.op, "force", False) |
4695 | 24991749 | Iustin Pop | if not (self.op.nics or self.op.disks or |
4696 | 24991749 | Iustin Pop | self.op.hvparams or self.op.beparams): |
4697 | 24991749 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
4698 | 24991749 | Iustin Pop | |
4699 | 24991749 | Iustin Pop | for item in (constants.BE_MEMORY, constants.BE_VCPUS): |
4700 | 24991749 | Iustin Pop | val = self.op.beparams.get(item, None) |
4701 | 24991749 | Iustin Pop | if val is not None: |
4702 | 24991749 | Iustin Pop | try:
|
4703 | 24991749 | Iustin Pop | val = int(val)
|
4704 | 24991749 | Iustin Pop | except ValueError, err: |
4705 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid %s size: %s" % (item, str(err))) |
4706 | 24991749 | Iustin Pop | self.op.beparams[item] = val
|
4707 | 24991749 | Iustin Pop | # Disk validation
|
4708 | 24991749 | Iustin Pop | disk_addremove = 0
|
4709 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
4710 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
4711 | 24991749 | Iustin Pop | disk_addremove += 1
|
4712 | 24991749 | Iustin Pop | continue
|
4713 | 24991749 | Iustin Pop | elif disk_op == constants.DDM_ADD:
|
4714 | 24991749 | Iustin Pop | disk_addremove += 1
|
4715 | 24991749 | Iustin Pop | else:
|
4716 | 24991749 | Iustin Pop | if not isinstance(disk_op, int): |
4717 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index") |
4718 | 24991749 | Iustin Pop | if disk_op == constants.DDM_ADD:
|
4719 | 24991749 | Iustin Pop | mode = disk_dict.setdefault('mode', constants.DISK_RDWR)
|
4720 | 24991749 | Iustin Pop | if mode not in (constants.DISK_RDONLY, constants.DISK_RDWR): |
4721 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk access mode '%s'" % mode) |
4722 | 24991749 | Iustin Pop | size = disk_dict.get('size', None) |
4723 | 24991749 | Iustin Pop | if size is None: |
4724 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Required disk parameter size missing") |
4725 | 24991749 | Iustin Pop | try:
|
4726 | 24991749 | Iustin Pop | size = int(size)
|
4727 | 24991749 | Iustin Pop | except ValueError, err: |
4728 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk size parameter: %s" % |
4729 | 24991749 | Iustin Pop | str(err))
|
4730 | 24991749 | Iustin Pop | disk_dict['size'] = size
|
4731 | 24991749 | Iustin Pop | else:
|
4732 | 24991749 | Iustin Pop | # modification of disk
|
4733 | 24991749 | Iustin Pop | if 'size' in disk_dict: |
4734 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Disk size change not possible, use" |
4735 | 24991749 | Iustin Pop | " grow-disk")
|
4736 | 24991749 | Iustin Pop | |
4737 | 24991749 | Iustin Pop | if disk_addremove > 1: |
4738 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Only one disk add or remove operation" |
4739 | 24991749 | Iustin Pop | " supported at a time")
|
4740 | 24991749 | Iustin Pop | |
4741 | 24991749 | Iustin Pop | # NIC validation
|
4742 | 24991749 | Iustin Pop | nic_addremove = 0
|
4743 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
4744 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
4745 | 24991749 | Iustin Pop | nic_addremove += 1
|
4746 | 24991749 | Iustin Pop | continue
|
4747 | 24991749 | Iustin Pop | elif nic_op == constants.DDM_ADD:
|
4748 | 24991749 | Iustin Pop | nic_addremove += 1
|
4749 | 24991749 | Iustin Pop | else:
|
4750 | 24991749 | Iustin Pop | if not isinstance(nic_op, int): |
4751 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid nic index") |
4752 | 24991749 | Iustin Pop | |
4753 | 24991749 | Iustin Pop | # nic_dict should be a dict
|
4754 | 24991749 | Iustin Pop | nic_ip = nic_dict.get('ip', None) |
4755 | 24991749 | Iustin Pop | if nic_ip is not None: |
4756 | 24991749 | Iustin Pop | if nic_ip.lower() == "none": |
4757 | 24991749 | Iustin Pop | nic_dict['ip'] = None |
4758 | 24991749 | Iustin Pop | else:
|
4759 | 24991749 | Iustin Pop | if not utils.IsValidIP(nic_ip): |
4760 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'" % nic_ip) |
4761 | 24991749 | Iustin Pop | # we can only check None bridges and assign the default one
|
4762 | 24991749 | Iustin Pop | nic_bridge = nic_dict.get('bridge', None) |
4763 | 24991749 | Iustin Pop | if nic_bridge is None: |
4764 | 24991749 | Iustin Pop | nic_dict['bridge'] = self.cfg.GetDefBridge() |
4765 | 24991749 | Iustin Pop | # but we can validate MACs
|
4766 | 24991749 | Iustin Pop | nic_mac = nic_dict.get('mac', None) |
4767 | 24991749 | Iustin Pop | if nic_mac is not None: |
4768 | 24991749 | Iustin Pop | if self.cfg.IsMacInUse(nic_mac): |
4769 | 24991749 | Iustin Pop | raise errors.OpPrereqError("MAC address %s already in use" |
4770 | 24991749 | Iustin Pop | " in cluster" % nic_mac)
|
4771 | 24991749 | Iustin Pop | if nic_mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
4772 | 24991749 | Iustin Pop | if not utils.IsValidMac(nic_mac): |
4773 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid MAC address %s" % nic_mac) |
4774 | 24991749 | Iustin Pop | if nic_addremove > 1: |
4775 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Only one NIC add or remove operation" |
4776 | 24991749 | Iustin Pop | " supported at a time")
|
4777 | 24991749 | Iustin Pop | |
4778 | 1a5c7281 | Guido Trotter | def ExpandNames(self): |
4779 | 1a5c7281 | Guido Trotter | self._ExpandAndLockInstance()
|
4780 | 74409b12 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
4781 | 74409b12 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4782 | 74409b12 | Iustin Pop | |
4783 | 74409b12 | Iustin Pop | def DeclareLocks(self, level): |
4784 | 74409b12 | Iustin Pop | if level == locking.LEVEL_NODE:
|
4785 | 74409b12 | Iustin Pop | self._LockInstancesNodes()
|
4786 | a8083063 | Iustin Pop | |
4787 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4788 | a8083063 | Iustin Pop | """Build hooks env.
|
4789 | a8083063 | Iustin Pop |
|
4790 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
4791 | a8083063 | Iustin Pop |
|
4792 | a8083063 | Iustin Pop | """
|
4793 | 396e1b78 | Michael Hanselmann | args = dict()
|
4794 | 338e51e8 | Iustin Pop | if constants.BE_MEMORY in self.be_new: |
4795 | 338e51e8 | Iustin Pop | args['memory'] = self.be_new[constants.BE_MEMORY] |
4796 | 338e51e8 | Iustin Pop | if constants.BE_VCPUS in self.be_new: |
4797 | 61be6ba4 | Iustin Pop | args['vcpus'] = self.be_new[constants.BE_VCPUS] |
4798 | 24991749 | Iustin Pop | # FIXME: readd disk/nic changes
|
4799 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance, override=args) |
4800 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode(),
|
4801 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
4802 | a8083063 | Iustin Pop | return env, nl, nl
|
4803 | a8083063 | Iustin Pop | |
4804 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4805 | a8083063 | Iustin Pop | """Check prerequisites.
|
4806 | a8083063 | Iustin Pop |
|
4807 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
4808 | a8083063 | Iustin Pop |
|
4809 | a8083063 | Iustin Pop | """
|
4810 | 24991749 | Iustin Pop | force = self.force = self.op.force |
4811 | a8083063 | Iustin Pop | |
4812 | 74409b12 | Iustin Pop | # checking the new params on the primary/secondary nodes
|
4813 | 31a853d2 | Iustin Pop | |
4814 | cfefe007 | Guido Trotter | instance = self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4815 | 1a5c7281 | Guido Trotter | assert self.instance is not None, \ |
4816 | 1a5c7281 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4817 | 74409b12 | Iustin Pop | pnode = self.instance.primary_node
|
4818 | 74409b12 | Iustin Pop | nodelist = [pnode] |
4819 | 74409b12 | Iustin Pop | nodelist.extend(instance.secondary_nodes) |
4820 | 74409b12 | Iustin Pop | |
4821 | 338e51e8 | Iustin Pop | # hvparams processing
|
4822 | 74409b12 | Iustin Pop | if self.op.hvparams: |
4823 | 74409b12 | Iustin Pop | i_hvdict = copy.deepcopy(instance.hvparams) |
4824 | 74409b12 | Iustin Pop | for key, val in self.op.hvparams.iteritems(): |
4825 | 74409b12 | Iustin Pop | if val is None: |
4826 | 74409b12 | Iustin Pop | try:
|
4827 | 74409b12 | Iustin Pop | del i_hvdict[key]
|
4828 | 74409b12 | Iustin Pop | except KeyError: |
4829 | 74409b12 | Iustin Pop | pass
|
4830 | 74409b12 | Iustin Pop | else:
|
4831 | 74409b12 | Iustin Pop | i_hvdict[key] = val |
4832 | 74409b12 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
4833 | 74409b12 | Iustin Pop | hv_new = cluster.FillDict(cluster.hvparams[instance.hypervisor], |
4834 | 74409b12 | Iustin Pop | i_hvdict) |
4835 | 74409b12 | Iustin Pop | # local check
|
4836 | 74409b12 | Iustin Pop | hypervisor.GetHypervisor( |
4837 | 74409b12 | Iustin Pop | instance.hypervisor).CheckParameterSyntax(hv_new) |
4838 | 74409b12 | Iustin Pop | _CheckHVParams(self, nodelist, instance.hypervisor, hv_new)
|
4839 | 338e51e8 | Iustin Pop | self.hv_new = hv_new # the new actual values |
4840 | 338e51e8 | Iustin Pop | self.hv_inst = i_hvdict # the new dict (without defaults) |
4841 | 338e51e8 | Iustin Pop | else:
|
4842 | 338e51e8 | Iustin Pop | self.hv_new = self.hv_inst = {} |
4843 | 338e51e8 | Iustin Pop | |
4844 | 338e51e8 | Iustin Pop | # beparams processing
|
4845 | 338e51e8 | Iustin Pop | if self.op.beparams: |
4846 | 338e51e8 | Iustin Pop | i_bedict = copy.deepcopy(instance.beparams) |
4847 | 338e51e8 | Iustin Pop | for key, val in self.op.beparams.iteritems(): |
4848 | 338e51e8 | Iustin Pop | if val is None: |
4849 | 338e51e8 | Iustin Pop | try:
|
4850 | 338e51e8 | Iustin Pop | del i_bedict[key]
|
4851 | 338e51e8 | Iustin Pop | except KeyError: |
4852 | 338e51e8 | Iustin Pop | pass
|
4853 | 338e51e8 | Iustin Pop | else:
|
4854 | 338e51e8 | Iustin Pop | i_bedict[key] = val |
4855 | 338e51e8 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
4856 | 338e51e8 | Iustin Pop | be_new = cluster.FillDict(cluster.beparams[constants.BEGR_DEFAULT], |
4857 | 338e51e8 | Iustin Pop | i_bedict) |
4858 | 338e51e8 | Iustin Pop | self.be_new = be_new # the new actual values |
4859 | 338e51e8 | Iustin Pop | self.be_inst = i_bedict # the new dict (without defaults) |
4860 | 338e51e8 | Iustin Pop | else:
|
4861 | b637ae4d | Iustin Pop | self.be_new = self.be_inst = {} |
4862 | 74409b12 | Iustin Pop | |
4863 | cfefe007 | Guido Trotter | self.warn = []
|
4864 | 647a5d80 | Iustin Pop | |
4865 | 338e51e8 | Iustin Pop | if constants.BE_MEMORY in self.op.beparams and not self.force: |
4866 | 647a5d80 | Iustin Pop | mem_check_list = [pnode] |
4867 | c0f2b229 | Iustin Pop | if be_new[constants.BE_AUTO_BALANCE]:
|
4868 | c0f2b229 | Iustin Pop | # either we changed auto_balance to yes or it was from before
|
4869 | 647a5d80 | Iustin Pop | mem_check_list.extend(instance.secondary_nodes) |
4870 | 72737a7f | Iustin Pop | instance_info = self.rpc.call_instance_info(pnode, instance.name,
|
4871 | 72737a7f | Iustin Pop | instance.hypervisor) |
4872 | 647a5d80 | Iustin Pop | nodeinfo = self.rpc.call_node_info(mem_check_list, self.cfg.GetVGName(), |
4873 | 72737a7f | Iustin Pop | instance.hypervisor) |
4874 | cfefe007 | Guido Trotter | |
4875 | cfefe007 | Guido Trotter | if pnode not in nodeinfo or not isinstance(nodeinfo[pnode], dict): |
4876 | cfefe007 | Guido Trotter | # Assume the primary node is unreachable and go ahead
|
4877 | cfefe007 | Guido Trotter | self.warn.append("Can't get info from primary node %s" % pnode) |
4878 | cfefe007 | Guido Trotter | else:
|
4879 | cfefe007 | Guido Trotter | if instance_info:
|
4880 | cfefe007 | Guido Trotter | current_mem = instance_info['memory']
|
4881 | cfefe007 | Guido Trotter | else:
|
4882 | cfefe007 | Guido Trotter | # Assume instance not running
|
4883 | cfefe007 | Guido Trotter | # (there is a slight race condition here, but it's not very probable,
|
4884 | cfefe007 | Guido Trotter | # and we have no other way to check)
|
4885 | cfefe007 | Guido Trotter | current_mem = 0
|
4886 | 338e51e8 | Iustin Pop | miss_mem = (be_new[constants.BE_MEMORY] - current_mem - |
4887 | 338e51e8 | Iustin Pop | nodeinfo[pnode]['memory_free'])
|
4888 | cfefe007 | Guido Trotter | if miss_mem > 0: |
4889 | cfefe007 | Guido Trotter | raise errors.OpPrereqError("This change will prevent the instance" |
4890 | cfefe007 | Guido Trotter | " from starting, due to %d MB of memory"
|
4891 | cfefe007 | Guido Trotter | " missing on its primary node" % miss_mem)
|
4892 | cfefe007 | Guido Trotter | |
4893 | c0f2b229 | Iustin Pop | if be_new[constants.BE_AUTO_BALANCE]:
|
4894 | 647a5d80 | Iustin Pop | for node in instance.secondary_nodes: |
4895 | 647a5d80 | Iustin Pop | if node not in nodeinfo or not isinstance(nodeinfo[node], dict): |
4896 | 647a5d80 | Iustin Pop | self.warn.append("Can't get info from secondary node %s" % node) |
4897 | 647a5d80 | Iustin Pop | elif be_new[constants.BE_MEMORY] > nodeinfo[node]['memory_free']: |
4898 | 647a5d80 | Iustin Pop | self.warn.append("Not enough memory to failover instance to" |
4899 | 647a5d80 | Iustin Pop | " secondary node %s" % node)
|
4900 | 5bc84f33 | Alexander Schreiber | |
4901 | 24991749 | Iustin Pop | # NIC processing
|
4902 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
4903 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
4904 | 24991749 | Iustin Pop | if not instance.nics: |
4905 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance has no NICs, cannot remove") |
4906 | 24991749 | Iustin Pop | continue
|
4907 | 24991749 | Iustin Pop | if nic_op != constants.DDM_ADD:
|
4908 | 24991749 | Iustin Pop | # an existing nic
|
4909 | 24991749 | Iustin Pop | if nic_op < 0 or nic_op >= len(instance.nics): |
4910 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid NIC index %s, valid values" |
4911 | 24991749 | Iustin Pop | " are 0 to %d" %
|
4912 | 24991749 | Iustin Pop | (nic_op, len(instance.nics)))
|
4913 | 24991749 | Iustin Pop | nic_bridge = nic_dict.get('bridge', None) |
4914 | 24991749 | Iustin Pop | if nic_bridge is not None: |
4915 | 24991749 | Iustin Pop | if not self.rpc.call_bridges_exist(pnode, [nic_bridge]): |
4916 | 24991749 | Iustin Pop | msg = ("Bridge '%s' doesn't exist on one of"
|
4917 | 24991749 | Iustin Pop | " the instance nodes" % nic_bridge)
|
4918 | 24991749 | Iustin Pop | if self.force: |
4919 | 24991749 | Iustin Pop | self.warn.append(msg)
|
4920 | 24991749 | Iustin Pop | else:
|
4921 | 24991749 | Iustin Pop | raise errors.OpPrereqError(msg)
|
4922 | 24991749 | Iustin Pop | |
4923 | 24991749 | Iustin Pop | # DISK processing
|
4924 | 24991749 | Iustin Pop | if self.op.disks and instance.disk_template == constants.DT_DISKLESS: |
4925 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Disk operations not supported for" |
4926 | 24991749 | Iustin Pop | " diskless instances")
|
4927 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
4928 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
4929 | 24991749 | Iustin Pop | if len(instance.disks) == 1: |
4930 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Cannot remove the last disk of" |
4931 | 24991749 | Iustin Pop | " an instance")
|
4932 | 24991749 | Iustin Pop | ins_l = self.rpc.call_instance_list([pnode], [instance.hypervisor])
|
4933 | 24991749 | Iustin Pop | ins_l = ins_l[pnode] |
4934 | 24991749 | Iustin Pop | if not type(ins_l) is list: |
4935 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Can't contact node '%s'" % pnode) |
4936 | 24991749 | Iustin Pop | if instance.name in ins_l: |
4937 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance is running, can't remove" |
4938 | 24991749 | Iustin Pop | " disks.")
|
4939 | 24991749 | Iustin Pop | |
4940 | 24991749 | Iustin Pop | if (disk_op == constants.DDM_ADD and |
4941 | 24991749 | Iustin Pop | len(instance.nics) >= constants.MAX_DISKS):
|
4942 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance has too many disks (%d), cannot" |
4943 | 24991749 | Iustin Pop | " add more" % constants.MAX_DISKS)
|
4944 | 24991749 | Iustin Pop | if disk_op not in (constants.DDM_ADD, constants.DDM_REMOVE): |
4945 | 24991749 | Iustin Pop | # an existing disk
|
4946 | 24991749 | Iustin Pop | if disk_op < 0 or disk_op >= len(instance.disks): |
4947 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index %s, valid values" |
4948 | 24991749 | Iustin Pop | " are 0 to %d" %
|
4949 | 24991749 | Iustin Pop | (disk_op, len(instance.disks)))
|
4950 | 24991749 | Iustin Pop | |
4951 | a8083063 | Iustin Pop | return
|
4952 | a8083063 | Iustin Pop | |
4953 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4954 | a8083063 | Iustin Pop | """Modifies an instance.
|
4955 | a8083063 | Iustin Pop |
|
4956 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
4957 | 24991749 | Iustin Pop |
|
4958 | a8083063 | Iustin Pop | """
|
4959 | cfefe007 | Guido Trotter | # Process here the warnings from CheckPrereq, as we don't have a
|
4960 | cfefe007 | Guido Trotter | # feedback_fn there.
|
4961 | cfefe007 | Guido Trotter | for warn in self.warn: |
4962 | cfefe007 | Guido Trotter | feedback_fn("WARNING: %s" % warn)
|
4963 | cfefe007 | Guido Trotter | |
4964 | a8083063 | Iustin Pop | result = [] |
4965 | a8083063 | Iustin Pop | instance = self.instance
|
4966 | 24991749 | Iustin Pop | # disk changes
|
4967 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
4968 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
4969 | 24991749 | Iustin Pop | # remove the last disk
|
4970 | 24991749 | Iustin Pop | device = instance.disks.pop() |
4971 | 24991749 | Iustin Pop | device_idx = len(instance.disks)
|
4972 | 24991749 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
4973 | 24991749 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
4974 | 24991749 | Iustin Pop | if not self.rpc.call_blockdev_remove(node, disk): |
4975 | 24991749 | Iustin Pop | self.proc.LogWarning("Could not remove disk/%d on node %s," |
4976 | 24991749 | Iustin Pop | " continuing anyway", device_idx, node)
|
4977 | 24991749 | Iustin Pop | result.append(("disk/%d" % device_idx, "remove")) |
4978 | 24991749 | Iustin Pop | elif disk_op == constants.DDM_ADD:
|
4979 | 24991749 | Iustin Pop | # add a new disk
|
4980 | 24991749 | Iustin Pop | if instance.disk_template == constants.DT_FILE:
|
4981 | 24991749 | Iustin Pop | file_driver, file_path = instance.disks[0].logical_id
|
4982 | 24991749 | Iustin Pop | file_path = os.path.dirname(file_path) |
4983 | 24991749 | Iustin Pop | else:
|
4984 | 24991749 | Iustin Pop | file_driver = file_path = None
|
4985 | 24991749 | Iustin Pop | disk_idx_base = len(instance.disks)
|
4986 | 24991749 | Iustin Pop | new_disk = _GenerateDiskTemplate(self,
|
4987 | 24991749 | Iustin Pop | instance.disk_template, |
4988 | 24991749 | Iustin Pop | instance, instance.primary_node, |
4989 | 24991749 | Iustin Pop | instance.secondary_nodes, |
4990 | 24991749 | Iustin Pop | [disk_dict], |
4991 | 24991749 | Iustin Pop | file_path, |
4992 | 24991749 | Iustin Pop | file_driver, |
4993 | 24991749 | Iustin Pop | disk_idx_base)[0]
|
4994 | 24991749 | Iustin Pop | new_disk.mode = disk_dict['mode']
|
4995 | 24991749 | Iustin Pop | instance.disks.append(new_disk) |
4996 | 24991749 | Iustin Pop | info = _GetInstanceInfoText(instance) |
4997 | 24991749 | Iustin Pop | |
4998 | 24991749 | Iustin Pop | logging.info("Creating volume %s for instance %s",
|
4999 | 24991749 | Iustin Pop | new_disk.iv_name, instance.name) |
5000 | 24991749 | Iustin Pop | # Note: this needs to be kept in sync with _CreateDisks
|
5001 | 24991749 | Iustin Pop | #HARDCODE
|
5002 | 24991749 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
5003 | 24991749 | Iustin Pop | if not _CreateBlockDevOnSecondary(self, secondary_node, instance, |
5004 | 24991749 | Iustin Pop | new_disk, False, info):
|
5005 | 24991749 | Iustin Pop | self.LogWarning("Failed to create volume %s (%s) on" |
5006 | 24991749 | Iustin Pop | " secondary node %s!",
|
5007 | 24991749 | Iustin Pop | new_disk.iv_name, new_disk, secondary_node) |
5008 | 24991749 | Iustin Pop | #HARDCODE
|
5009 | 24991749 | Iustin Pop | if not _CreateBlockDevOnPrimary(self, instance.primary_node, |
5010 | 24991749 | Iustin Pop | instance, new_disk, info): |
5011 | 24991749 | Iustin Pop | self.LogWarning("Failed to create volume %s on primary!", |
5012 | 24991749 | Iustin Pop | new_disk.iv_name) |
5013 | 24991749 | Iustin Pop | result.append(("disk/%d" % disk_idx_base, "add:size=%s,mode=%s" % |
5014 | 24991749 | Iustin Pop | (new_disk.size, new_disk.mode))) |
5015 | 24991749 | Iustin Pop | else:
|
5016 | 24991749 | Iustin Pop | # change a given disk
|
5017 | 24991749 | Iustin Pop | instance.disks[disk_op].mode = disk_dict['mode']
|
5018 | 24991749 | Iustin Pop | result.append(("disk.mode/%d" % disk_op, disk_dict['mode'])) |
5019 | 24991749 | Iustin Pop | # NIC changes
|
5020 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
5021 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
5022 | 24991749 | Iustin Pop | # remove the last nic
|
5023 | 24991749 | Iustin Pop | del instance.nics[-1] |
5024 | 24991749 | Iustin Pop | result.append(("nic.%d" % len(instance.nics), "remove")) |
5025 | 24991749 | Iustin Pop | elif nic_op == constants.DDM_ADD:
|
5026 | 24991749 | Iustin Pop | # add a new nic
|
5027 | 24991749 | Iustin Pop | if 'mac' not in nic_dict: |
5028 | 24991749 | Iustin Pop | mac = constants.VALUE_GENERATE |
5029 | 24991749 | Iustin Pop | else:
|
5030 | 24991749 | Iustin Pop | mac = nic_dict['mac']
|
5031 | 24991749 | Iustin Pop | if mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
5032 | 24991749 | Iustin Pop | mac = self.cfg.GenerateMAC()
|
5033 | 24991749 | Iustin Pop | new_nic = objects.NIC(mac=mac, ip=nic_dict.get('ip', None), |
5034 | 24991749 | Iustin Pop | bridge=nic_dict.get('bridge', None)) |
5035 | 24991749 | Iustin Pop | instance.nics.append(new_nic) |
5036 | 24991749 | Iustin Pop | result.append(("nic.%d" % (len(instance.nics) - 1), |
5037 | 24991749 | Iustin Pop | "add:mac=%s,ip=%s,bridge=%s" %
|
5038 | 24991749 | Iustin Pop | (new_nic.mac, new_nic.ip, new_nic.bridge))) |
5039 | 24991749 | Iustin Pop | else:
|
5040 | 24991749 | Iustin Pop | # change a given nic
|
5041 | 24991749 | Iustin Pop | for key in 'mac', 'ip', 'bridge': |
5042 | 24991749 | Iustin Pop | if key in nic_dict: |
5043 | 24991749 | Iustin Pop | setattr(instance.nics[nic_op], key, nic_dict[key])
|
5044 | 24991749 | Iustin Pop | result.append(("nic.%s/%d" % (key, nic_op), nic_dict[key]))
|
5045 | 24991749 | Iustin Pop | |
5046 | 24991749 | Iustin Pop | # hvparams changes
|
5047 | 74409b12 | Iustin Pop | if self.op.hvparams: |
5048 | 74409b12 | Iustin Pop | instance.hvparams = self.hv_new
|
5049 | 74409b12 | Iustin Pop | for key, val in self.op.hvparams.iteritems(): |
5050 | 74409b12 | Iustin Pop | result.append(("hv/%s" % key, val))
|
5051 | 24991749 | Iustin Pop | |
5052 | 24991749 | Iustin Pop | # beparams changes
|
5053 | 338e51e8 | Iustin Pop | if self.op.beparams: |
5054 | 338e51e8 | Iustin Pop | instance.beparams = self.be_inst
|
5055 | 338e51e8 | Iustin Pop | for key, val in self.op.beparams.iteritems(): |
5056 | 338e51e8 | Iustin Pop | result.append(("be/%s" % key, val))
|
5057 | a8083063 | Iustin Pop | |
5058 | ea94e1cd | Guido Trotter | self.cfg.Update(instance)
|
5059 | a8083063 | Iustin Pop | |
5060 | a8083063 | Iustin Pop | return result
|
5061 | a8083063 | Iustin Pop | |
5062 | a8083063 | Iustin Pop | |
5063 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
5064 | a8083063 | Iustin Pop | """Query the exports list
|
5065 | a8083063 | Iustin Pop |
|
5066 | a8083063 | Iustin Pop | """
|
5067 | 895ecd9c | Guido Trotter | _OP_REQP = ['nodes']
|
5068 | 21a15682 | Guido Trotter | REQ_BGL = False
|
5069 | 21a15682 | Guido Trotter | |
5070 | 21a15682 | Guido Trotter | def ExpandNames(self): |
5071 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
5072 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
5073 | 21a15682 | Guido Trotter | if not self.op.nodes: |
5074 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5075 | 21a15682 | Guido Trotter | else:
|
5076 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
5077 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
5078 | a8083063 | Iustin Pop | |
5079 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5080 | 21a15682 | Guido Trotter | """Check prerequisites.
|
5081 | a8083063 | Iustin Pop |
|
5082 | a8083063 | Iustin Pop | """
|
5083 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
5084 | a8083063 | Iustin Pop | |
5085 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
5086 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
5087 | a8083063 | Iustin Pop |
|
5088 | e4376078 | Iustin Pop | @rtype: dict
|
5089 | e4376078 | Iustin Pop | @return: a dictionary with the structure node->(export-list)
|
5090 | e4376078 | Iustin Pop | where export-list is a list of the instances exported on
|
5091 | e4376078 | Iustin Pop | that node.
|
5092 | a8083063 | Iustin Pop |
|
5093 | a8083063 | Iustin Pop | """
|
5094 | 72737a7f | Iustin Pop | return self.rpc.call_export_list(self.nodes) |
5095 | a8083063 | Iustin Pop | |
5096 | a8083063 | Iustin Pop | |
5097 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
5098 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
5099 | a8083063 | Iustin Pop |
|
5100 | a8083063 | Iustin Pop | """
|
5101 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
5102 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
5103 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
5104 | 6657590e | Guido Trotter | REQ_BGL = False
|
5105 | 6657590e | Guido Trotter | |
5106 | 6657590e | Guido Trotter | def ExpandNames(self): |
5107 | 6657590e | Guido Trotter | self._ExpandAndLockInstance()
|
5108 | 6657590e | Guido Trotter | # FIXME: lock only instance primary and destination node
|
5109 | 6657590e | Guido Trotter | #
|
5110 | 6657590e | Guido Trotter | # Sad but true, for now we have do lock all nodes, as we don't know where
|
5111 | 6657590e | Guido Trotter | # the previous export might be, and and in this LU we search for it and
|
5112 | 6657590e | Guido Trotter | # remove it from its current node. In the future we could fix this by:
|
5113 | 6657590e | Guido Trotter | # - making a tasklet to search (share-lock all), then create the new one,
|
5114 | 6657590e | Guido Trotter | # then one to remove, after
|
5115 | 6657590e | Guido Trotter | # - removing the removal operation altoghether
|
5116 | 6657590e | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5117 | 6657590e | Guido Trotter | |
5118 | 6657590e | Guido Trotter | def DeclareLocks(self, level): |
5119 | 6657590e | Guido Trotter | """Last minute lock declaration."""
|
5120 | 6657590e | Guido Trotter | # All nodes are locked anyway, so nothing to do here.
|
5121 | a8083063 | Iustin Pop | |
5122 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
5123 | a8083063 | Iustin Pop | """Build hooks env.
|
5124 | a8083063 | Iustin Pop |
|
5125 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
5126 | a8083063 | Iustin Pop |
|
5127 | a8083063 | Iustin Pop | """
|
5128 | a8083063 | Iustin Pop | env = { |
5129 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
5130 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
5131 | a8083063 | Iustin Pop | } |
5132 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
5133 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode(), self.instance.primary_node, |
5134 | a8083063 | Iustin Pop | self.op.target_node]
|
5135 | a8083063 | Iustin Pop | return env, nl, nl
|
5136 | a8083063 | Iustin Pop | |
5137 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5138 | a8083063 | Iustin Pop | """Check prerequisites.
|
5139 | a8083063 | Iustin Pop |
|
5140 | 9ac99fda | Guido Trotter | This checks that the instance and node names are valid.
|
5141 | a8083063 | Iustin Pop |
|
5142 | a8083063 | Iustin Pop | """
|
5143 | 6657590e | Guido Trotter | instance_name = self.op.instance_name
|
5144 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
5145 | 6657590e | Guido Trotter | assert self.instance is not None, \ |
5146 | 6657590e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
5147 | a8083063 | Iustin Pop | |
5148 | 6657590e | Guido Trotter | self.dst_node = self.cfg.GetNodeInfo( |
5149 | 6657590e | Guido Trotter | self.cfg.ExpandNodeName(self.op.target_node)) |
5150 | a8083063 | Iustin Pop | |
5151 | 268b8e42 | Iustin Pop | if self.dst_node is None: |
5152 | 268b8e42 | Iustin Pop | # This is wrong node name, not a non-locked node
|
5153 | 268b8e42 | Iustin Pop | raise errors.OpPrereqError("Wrong node name %s" % self.op.target_node) |
5154 | a8083063 | Iustin Pop | |
5155 | b6023d6c | Manuel Franceschini | # instance disk type verification
|
5156 | b6023d6c | Manuel Franceschini | for disk in self.instance.disks: |
5157 | b6023d6c | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
5158 | b6023d6c | Manuel Franceschini | raise errors.OpPrereqError("Export not supported for instances with" |
5159 | b6023d6c | Manuel Franceschini | " file-based disks")
|
5160 | b6023d6c | Manuel Franceschini | |
5161 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
5162 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
5163 | a8083063 | Iustin Pop |
|
5164 | a8083063 | Iustin Pop | """
|
5165 | a8083063 | Iustin Pop | instance = self.instance
|
5166 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
5167 | a8083063 | Iustin Pop | src_node = instance.primary_node |
5168 | a8083063 | Iustin Pop | if self.op.shutdown: |
5169 | fb300fb7 | Guido Trotter | # shutdown the instance, but not the disks
|
5170 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(src_node, instance): |
5171 | 38206f3c | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
5172 | 38206f3c | Iustin Pop | (instance.name, src_node)) |
5173 | a8083063 | Iustin Pop | |
5174 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
5175 | a8083063 | Iustin Pop | |
5176 | a8083063 | Iustin Pop | snap_disks = [] |
5177 | a8083063 | Iustin Pop | |
5178 | a8083063 | Iustin Pop | try:
|
5179 | a8083063 | Iustin Pop | for disk in instance.disks: |
5180 | 19d7f90a | Guido Trotter | # new_dev_name will be a snapshot of an lvm leaf of the one we passed
|
5181 | 19d7f90a | Guido Trotter | new_dev_name = self.rpc.call_blockdev_snapshot(src_node, disk)
|
5182 | a8083063 | Iustin Pop | |
5183 | 19d7f90a | Guido Trotter | if not new_dev_name: |
5184 | 19d7f90a | Guido Trotter | self.LogWarning("Could not snapshot block device %s on node %s", |
5185 | 9a4f63d1 | Iustin Pop | disk.logical_id[1], src_node)
|
5186 | 19d7f90a | Guido Trotter | snap_disks.append(False)
|
5187 | 19d7f90a | Guido Trotter | else:
|
5188 | 19d7f90a | Guido Trotter | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
5189 | 19d7f90a | Guido Trotter | logical_id=(vgname, new_dev_name), |
5190 | 19d7f90a | Guido Trotter | physical_id=(vgname, new_dev_name), |
5191 | 19d7f90a | Guido Trotter | iv_name=disk.iv_name) |
5192 | 19d7f90a | Guido Trotter | snap_disks.append(new_dev) |
5193 | a8083063 | Iustin Pop | |
5194 | a8083063 | Iustin Pop | finally:
|
5195 | fb300fb7 | Guido Trotter | if self.op.shutdown and instance.status == "up": |
5196 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(src_node, instance, None): |
5197 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
5198 | fb300fb7 | Guido Trotter | raise errors.OpExecError("Could not start instance") |
5199 | a8083063 | Iustin Pop | |
5200 | a8083063 | Iustin Pop | # TODO: check for size
|
5201 | a8083063 | Iustin Pop | |
5202 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
5203 | 74c47259 | Iustin Pop | for idx, dev in enumerate(snap_disks): |
5204 | 19d7f90a | Guido Trotter | if dev:
|
5205 | 19d7f90a | Guido Trotter | if not self.rpc.call_snapshot_export(src_node, dev, dst_node.name, |
5206 | 74c47259 | Iustin Pop | instance, cluster_name, idx): |
5207 | 19d7f90a | Guido Trotter | self.LogWarning("Could not export block device %s from node %s to" |
5208 | 19d7f90a | Guido Trotter | " node %s", dev.logical_id[1], src_node, |
5209 | 19d7f90a | Guido Trotter | dst_node.name) |
5210 | 19d7f90a | Guido Trotter | if not self.rpc.call_blockdev_remove(src_node, dev): |
5211 | 19d7f90a | Guido Trotter | self.LogWarning("Could not remove snapshot block device %s from node" |
5212 | 19d7f90a | Guido Trotter | " %s", dev.logical_id[1], src_node) |
5213 | a8083063 | Iustin Pop | |
5214 | 72737a7f | Iustin Pop | if not self.rpc.call_finalize_export(dst_node.name, instance, snap_disks): |
5215 | 19d7f90a | Guido Trotter | self.LogWarning("Could not finalize export for instance %s on node %s", |
5216 | 19d7f90a | Guido Trotter | instance.name, dst_node.name) |
5217 | a8083063 | Iustin Pop | |
5218 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
5219 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
5220 | a8083063 | Iustin Pop | |
5221 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
5222 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
5223 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
5224 | a8083063 | Iustin Pop | if nodelist:
|
5225 | 72737a7f | Iustin Pop | exportlist = self.rpc.call_export_list(nodelist)
|
5226 | a8083063 | Iustin Pop | for node in exportlist: |
5227 | a8083063 | Iustin Pop | if instance.name in exportlist[node]: |
5228 | 72737a7f | Iustin Pop | if not self.rpc.call_export_remove(node, instance.name): |
5229 | 19d7f90a | Guido Trotter | self.LogWarning("Could not remove older export for instance %s" |
5230 | 19d7f90a | Guido Trotter | " on node %s", instance.name, node)
|
5231 | 5c947f38 | Iustin Pop | |
5232 | 5c947f38 | Iustin Pop | |
5233 | 9ac99fda | Guido Trotter | class LURemoveExport(NoHooksLU): |
5234 | 9ac99fda | Guido Trotter | """Remove exports related to the named instance.
|
5235 | 9ac99fda | Guido Trotter |
|
5236 | 9ac99fda | Guido Trotter | """
|
5237 | 9ac99fda | Guido Trotter | _OP_REQP = ["instance_name"]
|
5238 | 3656b3af | Guido Trotter | REQ_BGL = False
|
5239 | 3656b3af | Guido Trotter | |
5240 | 3656b3af | Guido Trotter | def ExpandNames(self): |
5241 | 3656b3af | Guido Trotter | self.needed_locks = {}
|
5242 | 3656b3af | Guido Trotter | # We need all nodes to be locked in order for RemoveExport to work, but we
|
5243 | 3656b3af | Guido Trotter | # don't need to lock the instance itself, as nothing will happen to it (and
|
5244 | 3656b3af | Guido Trotter | # we can remove exports also for a removed instance)
|
5245 | 3656b3af | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5246 | 9ac99fda | Guido Trotter | |
5247 | 9ac99fda | Guido Trotter | def CheckPrereq(self): |
5248 | 9ac99fda | Guido Trotter | """Check prerequisites.
|
5249 | 9ac99fda | Guido Trotter | """
|
5250 | 9ac99fda | Guido Trotter | pass
|
5251 | 9ac99fda | Guido Trotter | |
5252 | 9ac99fda | Guido Trotter | def Exec(self, feedback_fn): |
5253 | 9ac99fda | Guido Trotter | """Remove any export.
|
5254 | 9ac99fda | Guido Trotter |
|
5255 | 9ac99fda | Guido Trotter | """
|
5256 | 9ac99fda | Guido Trotter | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
5257 | 9ac99fda | Guido Trotter | # If the instance was not found we'll try with the name that was passed in.
|
5258 | 9ac99fda | Guido Trotter | # This will only work if it was an FQDN, though.
|
5259 | 9ac99fda | Guido Trotter | fqdn_warn = False
|
5260 | 9ac99fda | Guido Trotter | if not instance_name: |
5261 | 9ac99fda | Guido Trotter | fqdn_warn = True
|
5262 | 9ac99fda | Guido Trotter | instance_name = self.op.instance_name
|
5263 | 9ac99fda | Guido Trotter | |
5264 | 72737a7f | Iustin Pop | exportlist = self.rpc.call_export_list(self.acquired_locks[ |
5265 | 72737a7f | Iustin Pop | locking.LEVEL_NODE]) |
5266 | 9ac99fda | Guido Trotter | found = False
|
5267 | 9ac99fda | Guido Trotter | for node in exportlist: |
5268 | 9ac99fda | Guido Trotter | if instance_name in exportlist[node]: |
5269 | 9ac99fda | Guido Trotter | found = True
|
5270 | 72737a7f | Iustin Pop | if not self.rpc.call_export_remove(node, instance_name): |
5271 | 9a4f63d1 | Iustin Pop | logging.error("Could not remove export for instance %s"
|
5272 | 9a4f63d1 | Iustin Pop | " on node %s", instance_name, node)
|
5273 | 9ac99fda | Guido Trotter | |
5274 | 9ac99fda | Guido Trotter | if fqdn_warn and not found: |
5275 | 9ac99fda | Guido Trotter | feedback_fn("Export not found. If trying to remove an export belonging"
|
5276 | 9ac99fda | Guido Trotter | " to a deleted instance please use its Fully Qualified"
|
5277 | 9ac99fda | Guido Trotter | " Domain Name.")
|
5278 | 9ac99fda | Guido Trotter | |
5279 | 9ac99fda | Guido Trotter | |
5280 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
5281 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
5282 | 5c947f38 | Iustin Pop |
|
5283 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
5284 | 5c947f38 | Iustin Pop |
|
5285 | 5c947f38 | Iustin Pop | """
|
5286 | 5c947f38 | Iustin Pop | |
5287 | 8646adce | Guido Trotter | def ExpandNames(self): |
5288 | 8646adce | Guido Trotter | self.needed_locks = {}
|
5289 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_NODE: |
5290 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
5291 | 5c947f38 | Iustin Pop | if name is None: |
5292 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
5293 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
5294 | 5c947f38 | Iustin Pop | self.op.name = name
|
5295 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = name
|
5296 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
5297 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
5298 | 5c947f38 | Iustin Pop | if name is None: |
5299 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
5300 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
5301 | 5c947f38 | Iustin Pop | self.op.name = name
|
5302 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = name
|
5303 | 8646adce | Guido Trotter | |
5304 | 8646adce | Guido Trotter | def CheckPrereq(self): |
5305 | 8646adce | Guido Trotter | """Check prerequisites.
|
5306 | 8646adce | Guido Trotter |
|
5307 | 8646adce | Guido Trotter | """
|
5308 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_CLUSTER: |
5309 | 8646adce | Guido Trotter | self.target = self.cfg.GetClusterInfo() |
5310 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_NODE: |
5311 | 8646adce | Guido Trotter | self.target = self.cfg.GetNodeInfo(self.op.name) |
5312 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_INSTANCE: |
5313 | 8646adce | Guido Trotter | self.target = self.cfg.GetInstanceInfo(self.op.name) |
5314 | 5c947f38 | Iustin Pop | else:
|
5315 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
5316 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
5317 | 5c947f38 | Iustin Pop | |
5318 | 5c947f38 | Iustin Pop | |
5319 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
5320 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
5321 | 5c947f38 | Iustin Pop |
|
5322 | 5c947f38 | Iustin Pop | """
|
5323 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
5324 | 8646adce | Guido Trotter | REQ_BGL = False
|
5325 | 5c947f38 | Iustin Pop | |
5326 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
5327 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
5328 | 5c947f38 | Iustin Pop |
|
5329 | 5c947f38 | Iustin Pop | """
|
5330 | 5d414478 | Oleksiy Mishchenko | return list(self.target.GetTags()) |
5331 | 5c947f38 | Iustin Pop | |
5332 | 5c947f38 | Iustin Pop | |
5333 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
5334 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
5335 | 73415719 | Iustin Pop |
|
5336 | 73415719 | Iustin Pop | """
|
5337 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
5338 | 8646adce | Guido Trotter | REQ_BGL = False
|
5339 | 8646adce | Guido Trotter | |
5340 | 8646adce | Guido Trotter | def ExpandNames(self): |
5341 | 8646adce | Guido Trotter | self.needed_locks = {}
|
5342 | 73415719 | Iustin Pop | |
5343 | 73415719 | Iustin Pop | def CheckPrereq(self): |
5344 | 73415719 | Iustin Pop | """Check prerequisites.
|
5345 | 73415719 | Iustin Pop |
|
5346 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
5347 | 73415719 | Iustin Pop |
|
5348 | 73415719 | Iustin Pop | """
|
5349 | 73415719 | Iustin Pop | try:
|
5350 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
5351 | 73415719 | Iustin Pop | except re.error, err:
|
5352 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
5353 | 73415719 | Iustin Pop | (self.op.pattern, err))
|
5354 | 73415719 | Iustin Pop | |
5355 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
5356 | 73415719 | Iustin Pop | """Returns the tag list.
|
5357 | 73415719 | Iustin Pop |
|
5358 | 73415719 | Iustin Pop | """
|
5359 | 73415719 | Iustin Pop | cfg = self.cfg
|
5360 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
5361 | 8646adce | Guido Trotter | ilist = cfg.GetAllInstancesInfo().values() |
5362 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
5363 | 8646adce | Guido Trotter | nlist = cfg.GetAllNodesInfo().values() |
5364 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
5365 | 73415719 | Iustin Pop | results = [] |
5366 | 73415719 | Iustin Pop | for path, target in tgts: |
5367 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
5368 | 73415719 | Iustin Pop | if self.re.search(tag): |
5369 | 73415719 | Iustin Pop | results.append((path, tag)) |
5370 | 73415719 | Iustin Pop | return results
|
5371 | 73415719 | Iustin Pop | |
5372 | 73415719 | Iustin Pop | |
5373 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
5374 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
5375 | 5c947f38 | Iustin Pop |
|
5376 | 5c947f38 | Iustin Pop | """
|
5377 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
5378 | 8646adce | Guido Trotter | REQ_BGL = False
|
5379 | 5c947f38 | Iustin Pop | |
5380 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
5381 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
5382 | 5c947f38 | Iustin Pop |
|
5383 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
5384 | 5c947f38 | Iustin Pop |
|
5385 | 5c947f38 | Iustin Pop | """
|
5386 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
5387 | f27302fa | Iustin Pop | for tag in self.op.tags: |
5388 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
5389 | 5c947f38 | Iustin Pop | |
5390 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
5391 | 5c947f38 | Iustin Pop | """Sets the tag.
|
5392 | 5c947f38 | Iustin Pop |
|
5393 | 5c947f38 | Iustin Pop | """
|
5394 | 5c947f38 | Iustin Pop | try:
|
5395 | f27302fa | Iustin Pop | for tag in self.op.tags: |
5396 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
5397 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
5398 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
5399 | 5c947f38 | Iustin Pop | try:
|
5400 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
5401 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
5402 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
5403 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
5404 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
5405 | 5c947f38 | Iustin Pop | |
5406 | 5c947f38 | Iustin Pop | |
5407 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
5408 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
5409 | 5c947f38 | Iustin Pop |
|
5410 | 5c947f38 | Iustin Pop | """
|
5411 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
5412 | 8646adce | Guido Trotter | REQ_BGL = False
|
5413 | 5c947f38 | Iustin Pop | |
5414 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
5415 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
5416 | 5c947f38 | Iustin Pop |
|
5417 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
5418 | 5c947f38 | Iustin Pop |
|
5419 | 5c947f38 | Iustin Pop | """
|
5420 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
5421 | f27302fa | Iustin Pop | for tag in self.op.tags: |
5422 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
5423 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
5424 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
5425 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
5426 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
5427 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
5428 | f27302fa | Iustin Pop | diff_names.sort() |
5429 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
5430 | f27302fa | Iustin Pop | (",".join(diff_names)))
|
5431 | 5c947f38 | Iustin Pop | |
5432 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
5433 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
5434 | 5c947f38 | Iustin Pop |
|
5435 | 5c947f38 | Iustin Pop | """
|
5436 | f27302fa | Iustin Pop | for tag in self.op.tags: |
5437 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
5438 | 5c947f38 | Iustin Pop | try:
|
5439 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
5440 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
5441 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
5442 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
5443 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
5444 | 06009e27 | Iustin Pop | |
5445 | 0eed6e61 | Guido Trotter | |
5446 | 06009e27 | Iustin Pop | class LUTestDelay(NoHooksLU): |
5447 | 06009e27 | Iustin Pop | """Sleep for a specified amount of time.
|
5448 | 06009e27 | Iustin Pop |
|
5449 | 0b097284 | Guido Trotter | This LU sleeps on the master and/or nodes for a specified amount of
|
5450 | 06009e27 | Iustin Pop | time.
|
5451 | 06009e27 | Iustin Pop |
|
5452 | 06009e27 | Iustin Pop | """
|
5453 | 06009e27 | Iustin Pop | _OP_REQP = ["duration", "on_master", "on_nodes"] |
5454 | fbe9022f | Guido Trotter | REQ_BGL = False
|
5455 | 06009e27 | Iustin Pop | |
5456 | fbe9022f | Guido Trotter | def ExpandNames(self): |
5457 | fbe9022f | Guido Trotter | """Expand names and set required locks.
|
5458 | 06009e27 | Iustin Pop |
|
5459 | fbe9022f | Guido Trotter | This expands the node list, if any.
|
5460 | 06009e27 | Iustin Pop |
|
5461 | 06009e27 | Iustin Pop | """
|
5462 | fbe9022f | Guido Trotter | self.needed_locks = {}
|
5463 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
5464 | fbe9022f | Guido Trotter | # _GetWantedNodes can be used here, but is not always appropriate to use
|
5465 | fbe9022f | Guido Trotter | # this way in ExpandNames. Check LogicalUnit.ExpandNames docstring for
|
5466 | fbe9022f | Guido Trotter | # more information.
|
5467 | 06009e27 | Iustin Pop | self.op.on_nodes = _GetWantedNodes(self, self.op.on_nodes) |
5468 | fbe9022f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = self.op.on_nodes |
5469 | fbe9022f | Guido Trotter | |
5470 | fbe9022f | Guido Trotter | def CheckPrereq(self): |
5471 | fbe9022f | Guido Trotter | """Check prerequisites.
|
5472 | fbe9022f | Guido Trotter |
|
5473 | fbe9022f | Guido Trotter | """
|
5474 | 06009e27 | Iustin Pop | |
5475 | 06009e27 | Iustin Pop | def Exec(self, feedback_fn): |
5476 | 06009e27 | Iustin Pop | """Do the actual sleep.
|
5477 | 06009e27 | Iustin Pop |
|
5478 | 06009e27 | Iustin Pop | """
|
5479 | 06009e27 | Iustin Pop | if self.op.on_master: |
5480 | 06009e27 | Iustin Pop | if not utils.TestDelay(self.op.duration): |
5481 | 06009e27 | Iustin Pop | raise errors.OpExecError("Error during master delay test") |
5482 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
5483 | 72737a7f | Iustin Pop | result = self.rpc.call_test_delay(self.op.on_nodes, self.op.duration) |
5484 | 06009e27 | Iustin Pop | if not result: |
5485 | 06009e27 | Iustin Pop | raise errors.OpExecError("Complete failure from rpc call") |
5486 | 06009e27 | Iustin Pop | for node, node_result in result.items(): |
5487 | 06009e27 | Iustin Pop | if not node_result: |
5488 | 06009e27 | Iustin Pop | raise errors.OpExecError("Failure during rpc call to node %s," |
5489 | 06009e27 | Iustin Pop | " result: %s" % (node, node_result))
|
5490 | d61df03e | Iustin Pop | |
5491 | d61df03e | Iustin Pop | |
5492 | d1c2dd75 | Iustin Pop | class IAllocator(object): |
5493 | d1c2dd75 | Iustin Pop | """IAllocator framework.
|
5494 | d61df03e | Iustin Pop |
|
5495 | d1c2dd75 | Iustin Pop | An IAllocator instance has three sets of attributes:
|
5496 | d6a02168 | Michael Hanselmann | - cfg that is needed to query the cluster
|
5497 | d1c2dd75 | Iustin Pop | - input data (all members of the _KEYS class attribute are required)
|
5498 | d1c2dd75 | Iustin Pop | - four buffer attributes (in|out_data|text), that represent the
|
5499 | d1c2dd75 | Iustin Pop | input (to the external script) in text and data structure format,
|
5500 | d1c2dd75 | Iustin Pop | and the output from it, again in two formats
|
5501 | d1c2dd75 | Iustin Pop | - the result variables from the script (success, info, nodes) for
|
5502 | d1c2dd75 | Iustin Pop | easy usage
|
5503 | d61df03e | Iustin Pop |
|
5504 | d61df03e | Iustin Pop | """
|
5505 | 29859cb7 | Iustin Pop | _ALLO_KEYS = [ |
5506 | d1c2dd75 | Iustin Pop | "mem_size", "disks", "disk_template", |
5507 | 8cc7e742 | Guido Trotter | "os", "tags", "nics", "vcpus", "hypervisor", |
5508 | d1c2dd75 | Iustin Pop | ] |
5509 | 29859cb7 | Iustin Pop | _RELO_KEYS = [ |
5510 | 29859cb7 | Iustin Pop | "relocate_from",
|
5511 | 29859cb7 | Iustin Pop | ] |
5512 | d1c2dd75 | Iustin Pop | |
5513 | 72737a7f | Iustin Pop | def __init__(self, lu, mode, name, **kwargs): |
5514 | 72737a7f | Iustin Pop | self.lu = lu
|
5515 | d1c2dd75 | Iustin Pop | # init buffer variables
|
5516 | d1c2dd75 | Iustin Pop | self.in_text = self.out_text = self.in_data = self.out_data = None |
5517 | d1c2dd75 | Iustin Pop | # init all input fields so that pylint is happy
|
5518 | 29859cb7 | Iustin Pop | self.mode = mode
|
5519 | 29859cb7 | Iustin Pop | self.name = name
|
5520 | d1c2dd75 | Iustin Pop | self.mem_size = self.disks = self.disk_template = None |
5521 | d1c2dd75 | Iustin Pop | self.os = self.tags = self.nics = self.vcpus = None |
5522 | 29859cb7 | Iustin Pop | self.relocate_from = None |
5523 | 27579978 | Iustin Pop | # computed fields
|
5524 | 27579978 | Iustin Pop | self.required_nodes = None |
5525 | d1c2dd75 | Iustin Pop | # init result fields
|
5526 | d1c2dd75 | Iustin Pop | self.success = self.info = self.nodes = None |
5527 | 29859cb7 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
5528 | 29859cb7 | Iustin Pop | keyset = self._ALLO_KEYS
|
5529 | 29859cb7 | Iustin Pop | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
5530 | 29859cb7 | Iustin Pop | keyset = self._RELO_KEYS
|
5531 | 29859cb7 | Iustin Pop | else:
|
5532 | 29859cb7 | Iustin Pop | raise errors.ProgrammerError("Unknown mode '%s' passed to the" |
5533 | 29859cb7 | Iustin Pop | " IAllocator" % self.mode) |
5534 | d1c2dd75 | Iustin Pop | for key in kwargs: |
5535 | 29859cb7 | Iustin Pop | if key not in keyset: |
5536 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Invalid input parameter '%s' to" |
5537 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
5538 | d1c2dd75 | Iustin Pop | setattr(self, key, kwargs[key]) |
5539 | 29859cb7 | Iustin Pop | for key in keyset: |
5540 | d1c2dd75 | Iustin Pop | if key not in kwargs: |
5541 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Missing input parameter '%s' to" |
5542 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
5543 | d1c2dd75 | Iustin Pop | self._BuildInputData()
|
5544 | d1c2dd75 | Iustin Pop | |
5545 | d1c2dd75 | Iustin Pop | def _ComputeClusterData(self): |
5546 | d1c2dd75 | Iustin Pop | """Compute the generic allocator input data.
|
5547 | d1c2dd75 | Iustin Pop |
|
5548 | d1c2dd75 | Iustin Pop | This is the data that is independent of the actual operation.
|
5549 | d1c2dd75 | Iustin Pop |
|
5550 | d1c2dd75 | Iustin Pop | """
|
5551 | 72737a7f | Iustin Pop | cfg = self.lu.cfg
|
5552 | e69d05fd | Iustin Pop | cluster_info = cfg.GetClusterInfo() |
5553 | d1c2dd75 | Iustin Pop | # cluster data
|
5554 | d1c2dd75 | Iustin Pop | data = { |
5555 | d1c2dd75 | Iustin Pop | "version": 1, |
5556 | 72737a7f | Iustin Pop | "cluster_name": cfg.GetClusterName(),
|
5557 | e69d05fd | Iustin Pop | "cluster_tags": list(cluster_info.GetTags()), |
5558 | e69d05fd | Iustin Pop | "enable_hypervisors": list(cluster_info.enabled_hypervisors), |
5559 | d1c2dd75 | Iustin Pop | # we don't have job IDs
|
5560 | d61df03e | Iustin Pop | } |
5561 | b57e9819 | Guido Trotter | iinfo = cfg.GetAllInstancesInfo().values() |
5562 | b57e9819 | Guido Trotter | i_list = [(inst, cluster_info.FillBE(inst)) for inst in iinfo] |
5563 | 6286519f | Iustin Pop | |
5564 | d1c2dd75 | Iustin Pop | # node data
|
5565 | d1c2dd75 | Iustin Pop | node_results = {} |
5566 | d1c2dd75 | Iustin Pop | node_list = cfg.GetNodeList() |
5567 | 8cc7e742 | Guido Trotter | |
5568 | 8cc7e742 | Guido Trotter | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
5569 | 8cc7e742 | Guido Trotter | hypervisor = self.hypervisor
|
5570 | 8cc7e742 | Guido Trotter | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
5571 | 8cc7e742 | Guido Trotter | hypervisor = cfg.GetInstanceInfo(self.name).hypervisor
|
5572 | 8cc7e742 | Guido Trotter | |
5573 | 72737a7f | Iustin Pop | node_data = self.lu.rpc.call_node_info(node_list, cfg.GetVGName(),
|
5574 | 8cc7e742 | Guido Trotter | hypervisor) |
5575 | 18640d69 | Guido Trotter | node_iinfo = self.lu.rpc.call_all_instances_info(node_list,
|
5576 | 18640d69 | Guido Trotter | cluster_info.enabled_hypervisors) |
5577 | d1c2dd75 | Iustin Pop | for nname in node_list: |
5578 | d1c2dd75 | Iustin Pop | ninfo = cfg.GetNodeInfo(nname) |
5579 | d1c2dd75 | Iustin Pop | if nname not in node_data or not isinstance(node_data[nname], dict): |
5580 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't get data for node %s" % nname) |
5581 | d1c2dd75 | Iustin Pop | remote_info = node_data[nname] |
5582 | b2662e7f | Iustin Pop | for attr in ['memory_total', 'memory_free', 'memory_dom0', |
5583 | 4337cf1b | Iustin Pop | 'vg_size', 'vg_free', 'cpu_total']: |
5584 | d1c2dd75 | Iustin Pop | if attr not in remote_info: |
5585 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' didn't return attribute '%s'" % |
5586 | d1c2dd75 | Iustin Pop | (nname, attr)) |
5587 | d1c2dd75 | Iustin Pop | try:
|
5588 | b2662e7f | Iustin Pop | remote_info[attr] = int(remote_info[attr])
|
5589 | d1c2dd75 | Iustin Pop | except ValueError, err: |
5590 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' returned invalid value for '%s':" |
5591 | d1c2dd75 | Iustin Pop | " %s" % (nname, attr, str(err))) |
5592 | 6286519f | Iustin Pop | # compute memory used by primary instances
|
5593 | 6286519f | Iustin Pop | i_p_mem = i_p_up_mem = 0
|
5594 | 338e51e8 | Iustin Pop | for iinfo, beinfo in i_list: |
5595 | 6286519f | Iustin Pop | if iinfo.primary_node == nname:
|
5596 | 338e51e8 | Iustin Pop | i_p_mem += beinfo[constants.BE_MEMORY] |
5597 | 18640d69 | Guido Trotter | if iinfo.name not in node_iinfo[nname]: |
5598 | 18640d69 | Guido Trotter | i_used_mem = 0
|
5599 | 18640d69 | Guido Trotter | else:
|
5600 | 18640d69 | Guido Trotter | i_used_mem = int(node_iinfo[nname][iinfo.name]['memory']) |
5601 | 18640d69 | Guido Trotter | i_mem_diff = beinfo[constants.BE_MEMORY] - i_used_mem |
5602 | 18640d69 | Guido Trotter | remote_info['memory_free'] -= max(0, i_mem_diff) |
5603 | 18640d69 | Guido Trotter | |
5604 | 6286519f | Iustin Pop | if iinfo.status == "up": |
5605 | 338e51e8 | Iustin Pop | i_p_up_mem += beinfo[constants.BE_MEMORY] |
5606 | 6286519f | Iustin Pop | |
5607 | b2662e7f | Iustin Pop | # compute memory used by instances
|
5608 | d1c2dd75 | Iustin Pop | pnr = { |
5609 | d1c2dd75 | Iustin Pop | "tags": list(ninfo.GetTags()), |
5610 | b2662e7f | Iustin Pop | "total_memory": remote_info['memory_total'], |
5611 | b2662e7f | Iustin Pop | "reserved_memory": remote_info['memory_dom0'], |
5612 | b2662e7f | Iustin Pop | "free_memory": remote_info['memory_free'], |
5613 | 6286519f | Iustin Pop | "i_pri_memory": i_p_mem,
|
5614 | 6286519f | Iustin Pop | "i_pri_up_memory": i_p_up_mem,
|
5615 | b2662e7f | Iustin Pop | "total_disk": remote_info['vg_size'], |
5616 | b2662e7f | Iustin Pop | "free_disk": remote_info['vg_free'], |
5617 | d1c2dd75 | Iustin Pop | "primary_ip": ninfo.primary_ip,
|
5618 | d1c2dd75 | Iustin Pop | "secondary_ip": ninfo.secondary_ip,
|
5619 | 4337cf1b | Iustin Pop | "total_cpus": remote_info['cpu_total'], |
5620 | d1c2dd75 | Iustin Pop | } |
5621 | d1c2dd75 | Iustin Pop | node_results[nname] = pnr |
5622 | d1c2dd75 | Iustin Pop | data["nodes"] = node_results
|
5623 | d1c2dd75 | Iustin Pop | |
5624 | d1c2dd75 | Iustin Pop | # instance data
|
5625 | d1c2dd75 | Iustin Pop | instance_data = {} |
5626 | 338e51e8 | Iustin Pop | for iinfo, beinfo in i_list: |
5627 | d1c2dd75 | Iustin Pop | nic_data = [{"mac": n.mac, "ip": n.ip, "bridge": n.bridge} |
5628 | d1c2dd75 | Iustin Pop | for n in iinfo.nics] |
5629 | d1c2dd75 | Iustin Pop | pir = { |
5630 | d1c2dd75 | Iustin Pop | "tags": list(iinfo.GetTags()), |
5631 | d1c2dd75 | Iustin Pop | "should_run": iinfo.status == "up", |
5632 | 338e51e8 | Iustin Pop | "vcpus": beinfo[constants.BE_VCPUS],
|
5633 | 338e51e8 | Iustin Pop | "memory": beinfo[constants.BE_MEMORY],
|
5634 | d1c2dd75 | Iustin Pop | "os": iinfo.os,
|
5635 | d1c2dd75 | Iustin Pop | "nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes), |
5636 | d1c2dd75 | Iustin Pop | "nics": nic_data,
|
5637 | d1c2dd75 | Iustin Pop | "disks": [{"size": dsk.size, "mode": "w"} for dsk in iinfo.disks], |
5638 | d1c2dd75 | Iustin Pop | "disk_template": iinfo.disk_template,
|
5639 | e69d05fd | Iustin Pop | "hypervisor": iinfo.hypervisor,
|
5640 | d1c2dd75 | Iustin Pop | } |
5641 | 768f0a80 | Iustin Pop | instance_data[iinfo.name] = pir |
5642 | d61df03e | Iustin Pop | |
5643 | d1c2dd75 | Iustin Pop | data["instances"] = instance_data
|
5644 | d61df03e | Iustin Pop | |
5645 | d1c2dd75 | Iustin Pop | self.in_data = data
|
5646 | d61df03e | Iustin Pop | |
5647 | d1c2dd75 | Iustin Pop | def _AddNewInstance(self): |
5648 | d1c2dd75 | Iustin Pop | """Add new instance data to allocator structure.
|
5649 | d61df03e | Iustin Pop |
|
5650 | d1c2dd75 | Iustin Pop | This in combination with _AllocatorGetClusterData will create the
|
5651 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
5652 | d61df03e | Iustin Pop |
|
5653 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
5654 | d1c2dd75 | Iustin Pop | done.
|
5655 | d61df03e | Iustin Pop |
|
5656 | d1c2dd75 | Iustin Pop | """
|
5657 | d1c2dd75 | Iustin Pop | data = self.in_data
|
5658 | d1c2dd75 | Iustin Pop | if len(self.disks) != 2: |
5659 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Only two-disk configurations supported") |
5660 | d1c2dd75 | Iustin Pop | |
5661 | dafc7302 | Guido Trotter | disk_space = _ComputeDiskSize(self.disk_template, self.disks) |
5662 | d1c2dd75 | Iustin Pop | |
5663 | 27579978 | Iustin Pop | if self.disk_template in constants.DTS_NET_MIRROR: |
5664 | 27579978 | Iustin Pop | self.required_nodes = 2 |
5665 | 27579978 | Iustin Pop | else:
|
5666 | 27579978 | Iustin Pop | self.required_nodes = 1 |
5667 | d1c2dd75 | Iustin Pop | request = { |
5668 | d1c2dd75 | Iustin Pop | "type": "allocate", |
5669 | d1c2dd75 | Iustin Pop | "name": self.name, |
5670 | d1c2dd75 | Iustin Pop | "disk_template": self.disk_template, |
5671 | d1c2dd75 | Iustin Pop | "tags": self.tags, |
5672 | d1c2dd75 | Iustin Pop | "os": self.os, |
5673 | d1c2dd75 | Iustin Pop | "vcpus": self.vcpus, |
5674 | d1c2dd75 | Iustin Pop | "memory": self.mem_size, |
5675 | d1c2dd75 | Iustin Pop | "disks": self.disks, |
5676 | d1c2dd75 | Iustin Pop | "disk_space_total": disk_space,
|
5677 | d1c2dd75 | Iustin Pop | "nics": self.nics, |
5678 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
5679 | d1c2dd75 | Iustin Pop | } |
5680 | d1c2dd75 | Iustin Pop | data["request"] = request
|
5681 | 298fe380 | Iustin Pop | |
5682 | d1c2dd75 | Iustin Pop | def _AddRelocateInstance(self): |
5683 | d1c2dd75 | Iustin Pop | """Add relocate instance data to allocator structure.
|
5684 | 298fe380 | Iustin Pop |
|
5685 | d1c2dd75 | Iustin Pop | This in combination with _IAllocatorGetClusterData will create the
|
5686 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
5687 | d61df03e | Iustin Pop |
|
5688 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
5689 | d1c2dd75 | Iustin Pop | done.
|
5690 | d61df03e | Iustin Pop |
|
5691 | d1c2dd75 | Iustin Pop | """
|
5692 | 72737a7f | Iustin Pop | instance = self.lu.cfg.GetInstanceInfo(self.name) |
5693 | 27579978 | Iustin Pop | if instance is None: |
5694 | 27579978 | Iustin Pop | raise errors.ProgrammerError("Unknown instance '%s' passed to" |
5695 | 27579978 | Iustin Pop | " IAllocator" % self.name) |
5696 | 27579978 | Iustin Pop | |
5697 | 27579978 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
5698 | 27579978 | Iustin Pop | raise errors.OpPrereqError("Can't relocate non-mirrored instances") |
5699 | 27579978 | Iustin Pop | |
5700 | 2a139bb0 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
5701 | 2a139bb0 | Iustin Pop | raise errors.OpPrereqError("Instance has not exactly one secondary node") |
5702 | 2a139bb0 | Iustin Pop | |
5703 | 27579978 | Iustin Pop | self.required_nodes = 1 |
5704 | dafc7302 | Guido Trotter | disk_sizes = [{'size': disk.size} for disk in instance.disks] |
5705 | dafc7302 | Guido Trotter | disk_space = _ComputeDiskSize(instance.disk_template, disk_sizes) |
5706 | 27579978 | Iustin Pop | |
5707 | d1c2dd75 | Iustin Pop | request = { |
5708 | 2a139bb0 | Iustin Pop | "type": "relocate", |
5709 | d1c2dd75 | Iustin Pop | "name": self.name, |
5710 | 27579978 | Iustin Pop | "disk_space_total": disk_space,
|
5711 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
5712 | 29859cb7 | Iustin Pop | "relocate_from": self.relocate_from, |
5713 | d1c2dd75 | Iustin Pop | } |
5714 | 27579978 | Iustin Pop | self.in_data["request"] = request |
5715 | d61df03e | Iustin Pop | |
5716 | d1c2dd75 | Iustin Pop | def _BuildInputData(self): |
5717 | d1c2dd75 | Iustin Pop | """Build input data structures.
|
5718 | d61df03e | Iustin Pop |
|
5719 | d1c2dd75 | Iustin Pop | """
|
5720 | d1c2dd75 | Iustin Pop | self._ComputeClusterData()
|
5721 | d61df03e | Iustin Pop | |
5722 | d1c2dd75 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
5723 | d1c2dd75 | Iustin Pop | self._AddNewInstance()
|
5724 | d1c2dd75 | Iustin Pop | else:
|
5725 | d1c2dd75 | Iustin Pop | self._AddRelocateInstance()
|
5726 | d61df03e | Iustin Pop | |
5727 | d1c2dd75 | Iustin Pop | self.in_text = serializer.Dump(self.in_data) |
5728 | d61df03e | Iustin Pop | |
5729 | 72737a7f | Iustin Pop | def Run(self, name, validate=True, call_fn=None): |
5730 | d1c2dd75 | Iustin Pop | """Run an instance allocator and return the results.
|
5731 | 298fe380 | Iustin Pop |
|
5732 | d1c2dd75 | Iustin Pop | """
|
5733 | 72737a7f | Iustin Pop | if call_fn is None: |
5734 | 72737a7f | Iustin Pop | call_fn = self.lu.rpc.call_iallocator_runner
|
5735 | d1c2dd75 | Iustin Pop | data = self.in_text
|
5736 | 298fe380 | Iustin Pop | |
5737 | 72737a7f | Iustin Pop | result = call_fn(self.lu.cfg.GetMasterNode(), name, self.in_text) |
5738 | 298fe380 | Iustin Pop | |
5739 | 43f5ea7a | Guido Trotter | if not isinstance(result, (list, tuple)) or len(result) != 4: |
5740 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Invalid result from master iallocator runner") |
5741 | 8d528b7c | Iustin Pop | |
5742 | 8d528b7c | Iustin Pop | rcode, stdout, stderr, fail = result |
5743 | 8d528b7c | Iustin Pop | |
5744 | 8d528b7c | Iustin Pop | if rcode == constants.IARUN_NOTFOUND:
|
5745 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Can't find allocator '%s'" % name) |
5746 | 8d528b7c | Iustin Pop | elif rcode == constants.IARUN_FAILURE:
|
5747 | 38206f3c | Iustin Pop | raise errors.OpExecError("Instance allocator call failed: %s," |
5748 | 38206f3c | Iustin Pop | " output: %s" % (fail, stdout+stderr))
|
5749 | 8d528b7c | Iustin Pop | self.out_text = stdout
|
5750 | d1c2dd75 | Iustin Pop | if validate:
|
5751 | d1c2dd75 | Iustin Pop | self._ValidateResult()
|
5752 | 298fe380 | Iustin Pop | |
5753 | d1c2dd75 | Iustin Pop | def _ValidateResult(self): |
5754 | d1c2dd75 | Iustin Pop | """Process the allocator results.
|
5755 | 538475ca | Iustin Pop |
|
5756 | d1c2dd75 | Iustin Pop | This will process and if successful save the result in
|
5757 | d1c2dd75 | Iustin Pop | self.out_data and the other parameters.
|
5758 | 538475ca | Iustin Pop |
|
5759 | d1c2dd75 | Iustin Pop | """
|
5760 | d1c2dd75 | Iustin Pop | try:
|
5761 | d1c2dd75 | Iustin Pop | rdict = serializer.Load(self.out_text)
|
5762 | d1c2dd75 | Iustin Pop | except Exception, err: |
5763 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: %s" % str(err)) |
5764 | d1c2dd75 | Iustin Pop | |
5765 | d1c2dd75 | Iustin Pop | if not isinstance(rdict, dict): |
5766 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: not a dict") |
5767 | 538475ca | Iustin Pop | |
5768 | d1c2dd75 | Iustin Pop | for key in "success", "info", "nodes": |
5769 | d1c2dd75 | Iustin Pop | if key not in rdict: |
5770 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results:" |
5771 | d1c2dd75 | Iustin Pop | " missing key '%s'" % key)
|
5772 | d1c2dd75 | Iustin Pop | setattr(self, key, rdict[key]) |
5773 | 538475ca | Iustin Pop | |
5774 | d1c2dd75 | Iustin Pop | if not isinstance(rdict["nodes"], list): |
5775 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: 'nodes' key" |
5776 | d1c2dd75 | Iustin Pop | " is not a list")
|
5777 | d1c2dd75 | Iustin Pop | self.out_data = rdict
|
5778 | 538475ca | Iustin Pop | |
5779 | 538475ca | Iustin Pop | |
5780 | d61df03e | Iustin Pop | class LUTestAllocator(NoHooksLU): |
5781 | d61df03e | Iustin Pop | """Run allocator tests.
|
5782 | d61df03e | Iustin Pop |
|
5783 | d61df03e | Iustin Pop | This LU runs the allocator tests
|
5784 | d61df03e | Iustin Pop |
|
5785 | d61df03e | Iustin Pop | """
|
5786 | d61df03e | Iustin Pop | _OP_REQP = ["direction", "mode", "name"] |
5787 | d61df03e | Iustin Pop | |
5788 | d61df03e | Iustin Pop | def CheckPrereq(self): |
5789 | d61df03e | Iustin Pop | """Check prerequisites.
|
5790 | d61df03e | Iustin Pop |
|
5791 | d61df03e | Iustin Pop | This checks the opcode parameters depending on the director and mode test.
|
5792 | d61df03e | Iustin Pop |
|
5793 | d61df03e | Iustin Pop | """
|
5794 | 298fe380 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
5795 | d61df03e | Iustin Pop | for attr in ["name", "mem_size", "disks", "disk_template", |
5796 | d61df03e | Iustin Pop | "os", "tags", "nics", "vcpus"]: |
5797 | d61df03e | Iustin Pop | if not hasattr(self.op, attr): |
5798 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute '%s' on opcode input" % |
5799 | d61df03e | Iustin Pop | attr) |
5800 | d61df03e | Iustin Pop | iname = self.cfg.ExpandInstanceName(self.op.name) |
5801 | d61df03e | Iustin Pop | if iname is not None: |
5802 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' already in the cluster" % |
5803 | d61df03e | Iustin Pop | iname) |
5804 | d61df03e | Iustin Pop | if not isinstance(self.op.nics, list): |
5805 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'nics'") |
5806 | d61df03e | Iustin Pop | for row in self.op.nics: |
5807 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
5808 | d61df03e | Iustin Pop | "mac" not in row or |
5809 | d61df03e | Iustin Pop | "ip" not in row or |
5810 | d61df03e | Iustin Pop | "bridge" not in row): |
5811 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
5812 | d61df03e | Iustin Pop | " 'nics' parameter")
|
5813 | d61df03e | Iustin Pop | if not isinstance(self.op.disks, list): |
5814 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'disks'") |
5815 | 298fe380 | Iustin Pop | if len(self.op.disks) != 2: |
5816 | 298fe380 | Iustin Pop | raise errors.OpPrereqError("Only two-disk configurations supported") |
5817 | d61df03e | Iustin Pop | for row in self.op.disks: |
5818 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
5819 | d61df03e | Iustin Pop | "size" not in row or |
5820 | d61df03e | Iustin Pop | not isinstance(row["size"], int) or |
5821 | d61df03e | Iustin Pop | "mode" not in row or |
5822 | d61df03e | Iustin Pop | row["mode"] not in ['r', 'w']): |
5823 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
5824 | d61df03e | Iustin Pop | " 'disks' parameter")
|
5825 | 8cc7e742 | Guido Trotter | if self.op.hypervisor is None: |
5826 | 8cc7e742 | Guido Trotter | self.op.hypervisor = self.cfg.GetHypervisorType() |
5827 | 298fe380 | Iustin Pop | elif self.op.mode == constants.IALLOCATOR_MODE_RELOC: |
5828 | d61df03e | Iustin Pop | if not hasattr(self.op, "name"): |
5829 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute 'name' on opcode input") |
5830 | d61df03e | Iustin Pop | fname = self.cfg.ExpandInstanceName(self.op.name) |
5831 | d61df03e | Iustin Pop | if fname is None: |
5832 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found for relocation" % |
5833 | d61df03e | Iustin Pop | self.op.name)
|
5834 | d61df03e | Iustin Pop | self.op.name = fname
|
5835 | 29859cb7 | Iustin Pop | self.relocate_from = self.cfg.GetInstanceInfo(fname).secondary_nodes |
5836 | d61df03e | Iustin Pop | else:
|
5837 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid test allocator mode '%s'" % |
5838 | d61df03e | Iustin Pop | self.op.mode)
|
5839 | d61df03e | Iustin Pop | |
5840 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_OUT: |
5841 | 298fe380 | Iustin Pop | if not hasattr(self.op, "allocator") or self.op.allocator is None: |
5842 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing allocator name") |
5843 | 298fe380 | Iustin Pop | elif self.op.direction != constants.IALLOCATOR_DIR_IN: |
5844 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Wrong allocator test '%s'" % |
5845 | d61df03e | Iustin Pop | self.op.direction)
|
5846 | d61df03e | Iustin Pop | |
5847 | d61df03e | Iustin Pop | def Exec(self, feedback_fn): |
5848 | d61df03e | Iustin Pop | """Run the allocator test.
|
5849 | d61df03e | Iustin Pop |
|
5850 | d61df03e | Iustin Pop | """
|
5851 | 29859cb7 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
5852 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
5853 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
5854 | 29859cb7 | Iustin Pop | name=self.op.name,
|
5855 | 29859cb7 | Iustin Pop | mem_size=self.op.mem_size,
|
5856 | 29859cb7 | Iustin Pop | disks=self.op.disks,
|
5857 | 29859cb7 | Iustin Pop | disk_template=self.op.disk_template,
|
5858 | 29859cb7 | Iustin Pop | os=self.op.os,
|
5859 | 29859cb7 | Iustin Pop | tags=self.op.tags,
|
5860 | 29859cb7 | Iustin Pop | nics=self.op.nics,
|
5861 | 29859cb7 | Iustin Pop | vcpus=self.op.vcpus,
|
5862 | 8cc7e742 | Guido Trotter | hypervisor=self.op.hypervisor,
|
5863 | 29859cb7 | Iustin Pop | ) |
5864 | 29859cb7 | Iustin Pop | else:
|
5865 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
5866 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
5867 | 29859cb7 | Iustin Pop | name=self.op.name,
|
5868 | 29859cb7 | Iustin Pop | relocate_from=list(self.relocate_from), |
5869 | 29859cb7 | Iustin Pop | ) |
5870 | d61df03e | Iustin Pop | |
5871 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_IN: |
5872 | d1c2dd75 | Iustin Pop | result = ial.in_text |
5873 | 298fe380 | Iustin Pop | else:
|
5874 | d1c2dd75 | Iustin Pop | ial.Run(self.op.allocator, validate=False) |
5875 | d1c2dd75 | Iustin Pop | result = ial.out_text |
5876 | 298fe380 | Iustin Pop | return result |