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2 | a8083063 | Iustin Pop | #
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4 | e7c6e02b | Michael Hanselmann | # Copyright (C) 2006, 2007, 2008 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | 880478f8 | Iustin Pop | """Module implementing the master-side code."""
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23 | a8083063 | Iustin Pop | |
24 | 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 | 4b7735f9 | Iustin Pop | import random |
36 | a8083063 | Iustin Pop | |
37 | a8083063 | Iustin Pop | from ganeti import ssh |
38 | a8083063 | Iustin Pop | from ganeti import utils |
39 | a8083063 | Iustin Pop | from ganeti import errors |
40 | a8083063 | Iustin Pop | from ganeti import hypervisor |
41 | 6048c986 | Guido Trotter | from ganeti import locking |
42 | a8083063 | Iustin Pop | from ganeti import constants |
43 | a8083063 | Iustin Pop | from ganeti import objects |
44 | a8083063 | Iustin Pop | from ganeti import opcodes |
45 | 8d14b30d | Iustin Pop | from ganeti import serializer |
46 | 112f18a5 | Iustin Pop | from ganeti import ssconf |
47 | d61df03e | Iustin Pop | |
48 | d61df03e | Iustin Pop | |
49 | a8083063 | Iustin Pop | class LogicalUnit(object): |
50 | 396e1b78 | Michael Hanselmann | """Logical Unit base class.
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51 | a8083063 | Iustin Pop |
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52 | a8083063 | Iustin Pop | Subclasses must follow these rules:
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53 | d465bdc8 | Guido Trotter | - implement ExpandNames
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54 | d465bdc8 | Guido Trotter | - implement CheckPrereq
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55 | a8083063 | Iustin Pop | - implement Exec
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56 | a8083063 | Iustin Pop | - implement BuildHooksEnv
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57 | a8083063 | Iustin Pop | - redefine HPATH and HTYPE
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58 | 05f86716 | Guido Trotter | - optionally redefine their run requirements:
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59 | 7e55040e | Guido Trotter | REQ_BGL: the LU needs to hold the Big Ganeti Lock exclusively
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60 | 05f86716 | Guido Trotter |
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61 | 05f86716 | Guido Trotter | Note that all commands require root permissions.
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62 | a8083063 | Iustin Pop |
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63 | a8083063 | Iustin Pop | """
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64 | a8083063 | Iustin Pop | HPATH = None
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65 | a8083063 | Iustin Pop | HTYPE = None
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66 | a8083063 | Iustin Pop | _OP_REQP = [] |
67 | 7e55040e | Guido Trotter | REQ_BGL = True
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68 | a8083063 | Iustin Pop | |
69 | 72737a7f | Iustin Pop | def __init__(self, processor, op, context, rpc): |
70 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
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71 | a8083063 | Iustin Pop |
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72 | a8083063 | Iustin Pop | This needs to be overriden in derived classes in order to check op
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73 | a8083063 | Iustin Pop | validity.
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74 | a8083063 | Iustin Pop |
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75 | a8083063 | Iustin Pop | """
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76 | 5bfac263 | Iustin Pop | self.proc = processor
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77 | a8083063 | Iustin Pop | self.op = op
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78 | 77b657a3 | Guido Trotter | self.cfg = context.cfg
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79 | 77b657a3 | Guido Trotter | self.context = context
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80 | 72737a7f | Iustin Pop | self.rpc = rpc
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81 | ca2a79e1 | Guido Trotter | # Dicts used to declare locking needs to mcpu
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82 | d465bdc8 | Guido Trotter | self.needed_locks = None |
83 | 6683bba2 | Guido Trotter | self.acquired_locks = {}
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84 | 3977a4c1 | Guido Trotter | self.share_locks = dict(((i, 0) for i in locking.LEVELS)) |
85 | ca2a79e1 | Guido Trotter | self.add_locks = {}
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86 | ca2a79e1 | Guido Trotter | self.remove_locks = {}
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87 | c4a2fee1 | Guido Trotter | # Used to force good behavior when calling helper functions
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88 | c4a2fee1 | Guido Trotter | self.recalculate_locks = {}
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89 | c92b310a | Michael Hanselmann | self.__ssh = None |
90 | 86d9d3bb | Iustin Pop | # logging
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91 | 86d9d3bb | Iustin Pop | self.LogWarning = processor.LogWarning
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92 | 86d9d3bb | Iustin Pop | self.LogInfo = processor.LogInfo
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93 | c92b310a | Michael Hanselmann | |
94 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
95 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
96 | a8083063 | Iustin Pop | if attr_val is None: |
97 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
98 | 3ecf6786 | Iustin Pop | attr_name) |
99 | 4be4691d | Iustin Pop | self.CheckArguments()
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100 | a8083063 | Iustin Pop | |
101 | c92b310a | Michael Hanselmann | def __GetSSH(self): |
102 | c92b310a | Michael Hanselmann | """Returns the SshRunner object
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103 | c92b310a | Michael Hanselmann |
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104 | c92b310a | Michael Hanselmann | """
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105 | c92b310a | Michael Hanselmann | if not self.__ssh: |
106 | 6b0469d2 | Iustin Pop | self.__ssh = ssh.SshRunner(self.cfg.GetClusterName()) |
107 | c92b310a | Michael Hanselmann | return self.__ssh |
108 | c92b310a | Michael Hanselmann | |
109 | c92b310a | Michael Hanselmann | ssh = property(fget=__GetSSH)
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110 | c92b310a | Michael Hanselmann | |
111 | 4be4691d | Iustin Pop | def CheckArguments(self): |
112 | 4be4691d | Iustin Pop | """Check syntactic validity for the opcode arguments.
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113 | 4be4691d | Iustin Pop |
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114 | 4be4691d | Iustin Pop | This method is for doing a simple syntactic check and ensure
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115 | 4be4691d | Iustin Pop | validity of opcode parameters, without any cluster-related
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116 | 4be4691d | Iustin Pop | checks. While the same can be accomplished in ExpandNames and/or
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117 | 4be4691d | Iustin Pop | CheckPrereq, doing these separate is better because:
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118 | 4be4691d | Iustin Pop |
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119 | 4be4691d | Iustin Pop | - ExpandNames is left as as purely a lock-related function
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120 | 4be4691d | Iustin Pop | - CheckPrereq is run after we have aquired locks (and possible
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121 | 4be4691d | Iustin Pop | waited for them)
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122 | 4be4691d | Iustin Pop |
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123 | 4be4691d | Iustin Pop | The function is allowed to change the self.op attribute so that
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124 | 4be4691d | Iustin Pop | later methods can no longer worry about missing parameters.
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125 | 4be4691d | Iustin Pop |
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126 | 4be4691d | Iustin Pop | """
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127 | 4be4691d | Iustin Pop | pass
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128 | 4be4691d | Iustin Pop | |
129 | d465bdc8 | Guido Trotter | def ExpandNames(self): |
130 | d465bdc8 | Guido Trotter | """Expand names for this LU.
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131 | d465bdc8 | Guido Trotter |
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132 | d465bdc8 | Guido Trotter | This method is called before starting to execute the opcode, and it should
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133 | d465bdc8 | Guido Trotter | update all the parameters of the opcode to their canonical form (e.g. a
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134 | d465bdc8 | Guido Trotter | short node name must be fully expanded after this method has successfully
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135 | d465bdc8 | Guido Trotter | completed). This way locking, hooks, logging, ecc. can work correctly.
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136 | d465bdc8 | Guido Trotter |
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137 | d465bdc8 | Guido Trotter | LUs which implement this method must also populate the self.needed_locks
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138 | d465bdc8 | Guido Trotter | member, as a dict with lock levels as keys, and a list of needed lock names
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139 | d465bdc8 | Guido Trotter | as values. Rules:
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140 | e4376078 | Iustin Pop |
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141 | e4376078 | Iustin Pop | - use an empty dict if you don't need any lock
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142 | e4376078 | Iustin Pop | - if you don't need any lock at a particular level omit that level
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143 | e4376078 | Iustin Pop | - don't put anything for the BGL level
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144 | e4376078 | Iustin Pop | - if you want all locks at a level use locking.ALL_SET as a value
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145 | d465bdc8 | Guido Trotter |
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146 | 3977a4c1 | Guido Trotter | If you need to share locks (rather than acquire them exclusively) at one
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147 | 3977a4c1 | Guido Trotter | level you can modify self.share_locks, setting a true value (usually 1) for
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148 | 3977a4c1 | Guido Trotter | that level. By default locks are not shared.
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149 | 3977a4c1 | Guido Trotter |
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150 | e4376078 | Iustin Pop | Examples::
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151 | e4376078 | Iustin Pop |
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152 | e4376078 | Iustin Pop | # Acquire all nodes and one instance
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153 | e4376078 | Iustin Pop | self.needed_locks = {
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154 | e4376078 | Iustin Pop | locking.LEVEL_NODE: locking.ALL_SET,
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155 | e4376078 | Iustin Pop | locking.LEVEL_INSTANCE: ['instance1.example.tld'],
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156 | e4376078 | Iustin Pop | }
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157 | e4376078 | Iustin Pop | # Acquire just two nodes
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158 | e4376078 | Iustin Pop | self.needed_locks = {
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159 | e4376078 | Iustin Pop | locking.LEVEL_NODE: ['node1.example.tld', 'node2.example.tld'],
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160 | e4376078 | Iustin Pop | }
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161 | e4376078 | Iustin Pop | # Acquire no locks
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162 | e4376078 | Iustin Pop | self.needed_locks = {} # No, you can't leave it to the default value None
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163 | d465bdc8 | Guido Trotter |
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164 | d465bdc8 | Guido Trotter | """
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165 | d465bdc8 | Guido Trotter | # The implementation of this method is mandatory only if the new LU is
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166 | d465bdc8 | Guido Trotter | # concurrent, so that old LUs don't need to be changed all at the same
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167 | d465bdc8 | Guido Trotter | # time.
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168 | d465bdc8 | Guido Trotter | if self.REQ_BGL: |
169 | d465bdc8 | Guido Trotter | self.needed_locks = {} # Exclusive LUs don't need locks. |
170 | d465bdc8 | Guido Trotter | else:
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171 | d465bdc8 | Guido Trotter | raise NotImplementedError |
172 | d465bdc8 | Guido Trotter | |
173 | fb8dcb62 | Guido Trotter | def DeclareLocks(self, level): |
174 | fb8dcb62 | Guido Trotter | """Declare LU locking needs for a level
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175 | fb8dcb62 | Guido Trotter |
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176 | fb8dcb62 | Guido Trotter | While most LUs can just declare their locking needs at ExpandNames time,
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177 | fb8dcb62 | Guido Trotter | sometimes there's the need to calculate some locks after having acquired
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178 | fb8dcb62 | Guido Trotter | the ones before. This function is called just before acquiring locks at a
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179 | fb8dcb62 | Guido Trotter | particular level, but after acquiring the ones at lower levels, and permits
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180 | fb8dcb62 | Guido Trotter | such calculations. It can be used to modify self.needed_locks, and by
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181 | fb8dcb62 | Guido Trotter | default it does nothing.
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182 | fb8dcb62 | Guido Trotter |
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183 | fb8dcb62 | Guido Trotter | This function is only called if you have something already set in
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184 | fb8dcb62 | Guido Trotter | self.needed_locks for the level.
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185 | fb8dcb62 | Guido Trotter |
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186 | fb8dcb62 | Guido Trotter | @param level: Locking level which is going to be locked
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187 | fb8dcb62 | Guido Trotter | @type level: member of ganeti.locking.LEVELS
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188 | fb8dcb62 | Guido Trotter |
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189 | fb8dcb62 | Guido Trotter | """
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190 | fb8dcb62 | Guido Trotter | |
191 | a8083063 | Iustin Pop | def CheckPrereq(self): |
192 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
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193 | a8083063 | Iustin Pop |
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194 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
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195 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
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196 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
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197 | a8083063 | Iustin Pop | allowed.
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198 | a8083063 | Iustin Pop |
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199 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
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200 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
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201 | a8083063 | Iustin Pop |
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202 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
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203 | d465bdc8 | Guido Trotter | their canonical form if it hasn't been done by ExpandNames before.
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204 | a8083063 | Iustin Pop |
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205 | a8083063 | Iustin Pop | """
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206 | a8083063 | Iustin Pop | raise NotImplementedError |
207 | a8083063 | Iustin Pop | |
208 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
209 | a8083063 | Iustin Pop | """Execute the LU.
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210 | a8083063 | Iustin Pop |
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211 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
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212 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
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213 | a8083063 | Iustin Pop | code, or expected.
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214 | a8083063 | Iustin Pop |
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215 | a8083063 | Iustin Pop | """
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216 | a8083063 | Iustin Pop | raise NotImplementedError |
217 | a8083063 | Iustin Pop | |
218 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
219 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
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220 | a8083063 | Iustin Pop |
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221 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
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222 | a8083063 | Iustin Pop | containing the environment that will be used for running the
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223 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
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224 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
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225 | a8083063 | Iustin Pop | the hook should run after the execution.
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226 | a8083063 | Iustin Pop |
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227 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
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228 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
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229 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
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230 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
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231 | a8083063 | Iustin Pop |
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232 | 8a3fe350 | Guido Trotter | No nodes should be returned as an empty list (and not None).
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233 | a8083063 | Iustin Pop |
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234 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
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235 | a8083063 | Iustin Pop | not be called.
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236 | a8083063 | Iustin Pop |
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237 | a8083063 | Iustin Pop | """
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238 | a8083063 | Iustin Pop | raise NotImplementedError |
239 | a8083063 | Iustin Pop | |
240 | 1fce5219 | Guido Trotter | def HooksCallBack(self, phase, hook_results, feedback_fn, lu_result): |
241 | 1fce5219 | Guido Trotter | """Notify the LU about the results of its hooks.
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242 | 1fce5219 | Guido Trotter |
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243 | 1fce5219 | Guido Trotter | This method is called every time a hooks phase is executed, and notifies
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244 | 1fce5219 | Guido Trotter | the Logical Unit about the hooks' result. The LU can then use it to alter
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245 | 1fce5219 | Guido Trotter | its result based on the hooks. By default the method does nothing and the
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246 | 1fce5219 | Guido Trotter | previous result is passed back unchanged but any LU can define it if it
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247 | 1fce5219 | Guido Trotter | wants to use the local cluster hook-scripts somehow.
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248 | 1fce5219 | Guido Trotter |
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249 | e4376078 | Iustin Pop | @param phase: one of L{constants.HOOKS_PHASE_POST} or
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250 | e4376078 | Iustin Pop | L{constants.HOOKS_PHASE_PRE}; it denotes the hooks phase
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251 | e4376078 | Iustin Pop | @param hook_results: the results of the multi-node hooks rpc call
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252 | e4376078 | Iustin Pop | @param feedback_fn: function used send feedback back to the caller
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253 | e4376078 | Iustin Pop | @param lu_result: the previous Exec result this LU had, or None
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254 | e4376078 | Iustin Pop | in the PRE phase
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255 | e4376078 | Iustin Pop | @return: the new Exec result, based on the previous result
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256 | e4376078 | Iustin Pop | and hook results
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257 | 1fce5219 | Guido Trotter |
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258 | 1fce5219 | Guido Trotter | """
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259 | 1fce5219 | Guido Trotter | return lu_result
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260 | 1fce5219 | Guido Trotter | |
261 | 43905206 | Guido Trotter | def _ExpandAndLockInstance(self): |
262 | 43905206 | Guido Trotter | """Helper function to expand and lock an instance.
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263 | 43905206 | Guido Trotter |
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264 | 43905206 | Guido Trotter | Many LUs that work on an instance take its name in self.op.instance_name
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265 | 43905206 | Guido Trotter | and need to expand it and then declare the expanded name for locking. This
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266 | 43905206 | Guido Trotter | function does it, and then updates self.op.instance_name to the expanded
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267 | 43905206 | Guido Trotter | name. It also initializes needed_locks as a dict, if this hasn't been done
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268 | 43905206 | Guido Trotter | before.
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269 | 43905206 | Guido Trotter |
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270 | 43905206 | Guido Trotter | """
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271 | 43905206 | Guido Trotter | if self.needed_locks is None: |
272 | 43905206 | Guido Trotter | self.needed_locks = {}
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273 | 43905206 | Guido Trotter | else:
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274 | 43905206 | Guido Trotter | assert locking.LEVEL_INSTANCE not in self.needed_locks, \ |
275 | 43905206 | Guido Trotter | "_ExpandAndLockInstance called with instance-level locks set"
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276 | 43905206 | Guido Trotter | expanded_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
277 | 43905206 | Guido Trotter | if expanded_name is None: |
278 | 43905206 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
279 | 43905206 | Guido Trotter | self.op.instance_name)
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280 | 43905206 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = expanded_name
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281 | 43905206 | Guido Trotter | self.op.instance_name = expanded_name
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282 | 43905206 | Guido Trotter | |
283 | a82ce292 | Guido Trotter | def _LockInstancesNodes(self, primary_only=False): |
284 | c4a2fee1 | Guido Trotter | """Helper function to declare instances' nodes for locking.
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285 | c4a2fee1 | Guido Trotter |
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286 | c4a2fee1 | Guido Trotter | This function should be called after locking one or more instances to lock
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287 | c4a2fee1 | Guido Trotter | their nodes. Its effect is populating self.needed_locks[locking.LEVEL_NODE]
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288 | c4a2fee1 | Guido Trotter | with all primary or secondary nodes for instances already locked and
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289 | c4a2fee1 | Guido Trotter | present in self.needed_locks[locking.LEVEL_INSTANCE].
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290 | c4a2fee1 | Guido Trotter |
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291 | c4a2fee1 | Guido Trotter | It should be called from DeclareLocks, and for safety only works if
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292 | c4a2fee1 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] is set.
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293 | c4a2fee1 | Guido Trotter |
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294 | c4a2fee1 | Guido Trotter | In the future it may grow parameters to just lock some instance's nodes, or
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295 | c4a2fee1 | Guido Trotter | to just lock primaries or secondary nodes, if needed.
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296 | c4a2fee1 | Guido Trotter |
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297 | e4376078 | Iustin Pop | If should be called in DeclareLocks in a way similar to::
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298 | c4a2fee1 | Guido Trotter |
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299 | e4376078 | Iustin Pop | if level == locking.LEVEL_NODE:
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300 | e4376078 | Iustin Pop | self._LockInstancesNodes()
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301 | c4a2fee1 | Guido Trotter |
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302 | a82ce292 | Guido Trotter | @type primary_only: boolean
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303 | a82ce292 | Guido Trotter | @param primary_only: only lock primary nodes of locked instances
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304 | a82ce292 | Guido Trotter |
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305 | c4a2fee1 | Guido Trotter | """
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306 | c4a2fee1 | Guido Trotter | assert locking.LEVEL_NODE in self.recalculate_locks, \ |
307 | c4a2fee1 | Guido Trotter | "_LockInstancesNodes helper function called with no nodes to recalculate"
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308 | c4a2fee1 | Guido Trotter | |
309 | c4a2fee1 | Guido Trotter | # TODO: check if we're really been called with the instance locks held
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310 | c4a2fee1 | Guido Trotter | |
311 | c4a2fee1 | Guido Trotter | # For now we'll replace self.needed_locks[locking.LEVEL_NODE], but in the
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312 | c4a2fee1 | Guido Trotter | # future we might want to have different behaviors depending on the value
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313 | c4a2fee1 | Guido Trotter | # of self.recalculate_locks[locking.LEVEL_NODE]
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314 | c4a2fee1 | Guido Trotter | wanted_nodes = [] |
315 | 6683bba2 | Guido Trotter | for instance_name in self.acquired_locks[locking.LEVEL_INSTANCE]: |
316 | c4a2fee1 | Guido Trotter | instance = self.context.cfg.GetInstanceInfo(instance_name)
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317 | c4a2fee1 | Guido Trotter | wanted_nodes.append(instance.primary_node) |
318 | a82ce292 | Guido Trotter | if not primary_only: |
319 | a82ce292 | Guido Trotter | wanted_nodes.extend(instance.secondary_nodes) |
320 | 9513b6ab | Guido Trotter | |
321 | 9513b6ab | Guido Trotter | if self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_REPLACE: |
322 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = wanted_nodes
|
323 | 9513b6ab | Guido Trotter | elif self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_APPEND: |
324 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].extend(wanted_nodes)
|
325 | c4a2fee1 | Guido Trotter | |
326 | c4a2fee1 | Guido Trotter | del self.recalculate_locks[locking.LEVEL_NODE] |
327 | c4a2fee1 | Guido Trotter | |
328 | a8083063 | Iustin Pop | |
329 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
330 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
|
331 | a8083063 | Iustin Pop |
|
332 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
|
333 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
|
334 | a8083063 | Iustin Pop |
|
335 | a8083063 | Iustin Pop | """
|
336 | a8083063 | Iustin Pop | HPATH = None
|
337 | a8083063 | Iustin Pop | HTYPE = None
|
338 | a8083063 | Iustin Pop | |
339 | a8083063 | Iustin Pop | |
340 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
341 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
|
342 | 83120a01 | Michael Hanselmann |
|
343 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
344 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
345 | e4376078 | Iustin Pop | @type nodes: list
|
346 | e4376078 | Iustin Pop | @param nodes: list of node names or None for all nodes
|
347 | e4376078 | Iustin Pop | @rtype: list
|
348 | e4376078 | Iustin Pop | @return: the list of nodes, sorted
|
349 | e4376078 | Iustin Pop | @raise errors.OpProgrammerError: if the nodes parameter is wrong type
|
350 | 83120a01 | Michael Hanselmann |
|
351 | 83120a01 | Michael Hanselmann | """
|
352 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
353 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
354 | dcb93971 | Michael Hanselmann | |
355 | ea47808a | Guido Trotter | if not nodes: |
356 | ea47808a | Guido Trotter | raise errors.ProgrammerError("_GetWantedNodes should only be called with a" |
357 | ea47808a | Guido Trotter | " non-empty list of nodes whose name is to be expanded.")
|
358 | dcb93971 | Michael Hanselmann | |
359 | ea47808a | Guido Trotter | wanted = [] |
360 | ea47808a | Guido Trotter | for name in nodes: |
361 | ea47808a | Guido Trotter | node = lu.cfg.ExpandNodeName(name) |
362 | ea47808a | Guido Trotter | if node is None: |
363 | ea47808a | Guido Trotter | raise errors.OpPrereqError("No such node name '%s'" % name) |
364 | ea47808a | Guido Trotter | wanted.append(node) |
365 | dcb93971 | Michael Hanselmann | |
366 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
367 | 3312b702 | Iustin Pop | |
368 | 3312b702 | Iustin Pop | |
369 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
370 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
|
371 | 3312b702 | Iustin Pop |
|
372 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
373 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
374 | e4376078 | Iustin Pop | @type instances: list
|
375 | e4376078 | Iustin Pop | @param instances: list of instance names or None for all instances
|
376 | e4376078 | Iustin Pop | @rtype: list
|
377 | e4376078 | Iustin Pop | @return: the list of instances, sorted
|
378 | e4376078 | Iustin Pop | @raise errors.OpPrereqError: if the instances parameter is wrong type
|
379 | e4376078 | Iustin Pop | @raise errors.OpPrereqError: if any of the passed instances is not found
|
380 | 3312b702 | Iustin Pop |
|
381 | 3312b702 | Iustin Pop | """
|
382 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
383 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
384 | 3312b702 | Iustin Pop | |
385 | 3312b702 | Iustin Pop | if instances:
|
386 | 3312b702 | Iustin Pop | wanted = [] |
387 | 3312b702 | Iustin Pop | |
388 | 3312b702 | Iustin Pop | for name in instances: |
389 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
390 | 3312b702 | Iustin Pop | if instance is None: |
391 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
392 | 3312b702 | Iustin Pop | wanted.append(instance) |
393 | 3312b702 | Iustin Pop | |
394 | 3312b702 | Iustin Pop | else:
|
395 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetInstanceList() |
396 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
397 | dcb93971 | Michael Hanselmann | |
398 | dcb93971 | Michael Hanselmann | |
399 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
400 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
|
401 | 83120a01 | Michael Hanselmann |
|
402 | a2d2e1a7 | Iustin Pop | @type static: L{utils.FieldSet}
|
403 | 31bf511f | Iustin Pop | @param static: static fields set
|
404 | a2d2e1a7 | Iustin Pop | @type dynamic: L{utils.FieldSet}
|
405 | 31bf511f | Iustin Pop | @param dynamic: dynamic fields set
|
406 | 83120a01 | Michael Hanselmann |
|
407 | 83120a01 | Michael Hanselmann | """
|
408 | a2d2e1a7 | Iustin Pop | f = utils.FieldSet() |
409 | 31bf511f | Iustin Pop | f.Extend(static) |
410 | 31bf511f | Iustin Pop | f.Extend(dynamic) |
411 | dcb93971 | Michael Hanselmann | |
412 | 31bf511f | Iustin Pop | delta = f.NonMatching(selected) |
413 | 31bf511f | Iustin Pop | if delta:
|
414 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
415 | 31bf511f | Iustin Pop | % ",".join(delta))
|
416 | dcb93971 | Michael Hanselmann | |
417 | dcb93971 | Michael Hanselmann | |
418 | a5961235 | Iustin Pop | def _CheckBooleanOpField(op, name): |
419 | a5961235 | Iustin Pop | """Validates boolean opcode parameters.
|
420 | a5961235 | Iustin Pop |
|
421 | a5961235 | Iustin Pop | This will ensure that an opcode parameter is either a boolean value,
|
422 | a5961235 | Iustin Pop | or None (but that it always exists).
|
423 | a5961235 | Iustin Pop |
|
424 | a5961235 | Iustin Pop | """
|
425 | a5961235 | Iustin Pop | val = getattr(op, name, None) |
426 | a5961235 | Iustin Pop | if not (val is None or isinstance(val, bool)): |
427 | a5961235 | Iustin Pop | raise errors.OpPrereqError("Invalid boolean parameter '%s' (%s)" % |
428 | a5961235 | Iustin Pop | (name, str(val)))
|
429 | a5961235 | Iustin Pop | setattr(op, name, val)
|
430 | a5961235 | Iustin Pop | |
431 | a5961235 | Iustin Pop | |
432 | a5961235 | Iustin Pop | def _CheckNodeOnline(lu, node): |
433 | a5961235 | Iustin Pop | """Ensure that a given node is online.
|
434 | a5961235 | Iustin Pop |
|
435 | a5961235 | Iustin Pop | @param lu: the LU on behalf of which we make the check
|
436 | a5961235 | Iustin Pop | @param node: the node to check
|
437 | a5961235 | Iustin Pop | @raise errors.OpPrereqError: if the nodes is offline
|
438 | a5961235 | Iustin Pop |
|
439 | a5961235 | Iustin Pop | """
|
440 | a5961235 | Iustin Pop | if lu.cfg.GetNodeInfo(node).offline:
|
441 | a5961235 | Iustin Pop | raise errors.OpPrereqError("Can't use offline node %s" % node) |
442 | a5961235 | Iustin Pop | |
443 | a5961235 | Iustin Pop | |
444 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
445 | 396e1b78 | Michael Hanselmann | memory, vcpus, nics): |
446 | e4376078 | Iustin Pop | """Builds instance related env variables for hooks
|
447 | e4376078 | Iustin Pop |
|
448 | e4376078 | Iustin Pop | This builds the hook environment from individual variables.
|
449 | e4376078 | Iustin Pop |
|
450 | e4376078 | Iustin Pop | @type name: string
|
451 | e4376078 | Iustin Pop | @param name: the name of the instance
|
452 | e4376078 | Iustin Pop | @type primary_node: string
|
453 | e4376078 | Iustin Pop | @param primary_node: the name of the instance's primary node
|
454 | e4376078 | Iustin Pop | @type secondary_nodes: list
|
455 | e4376078 | Iustin Pop | @param secondary_nodes: list of secondary nodes as strings
|
456 | e4376078 | Iustin Pop | @type os_type: string
|
457 | e4376078 | Iustin Pop | @param os_type: the name of the instance's OS
|
458 | e4376078 | Iustin Pop | @type status: string
|
459 | e4376078 | Iustin Pop | @param status: the desired status of the instances
|
460 | e4376078 | Iustin Pop | @type memory: string
|
461 | e4376078 | Iustin Pop | @param memory: the memory size of the instance
|
462 | e4376078 | Iustin Pop | @type vcpus: string
|
463 | e4376078 | Iustin Pop | @param vcpus: the count of VCPUs the instance has
|
464 | e4376078 | Iustin Pop | @type nics: list
|
465 | e4376078 | Iustin Pop | @param nics: list of tuples (ip, bridge, mac) representing
|
466 | e4376078 | Iustin Pop | the NICs the instance has
|
467 | e4376078 | Iustin Pop | @rtype: dict
|
468 | e4376078 | Iustin Pop | @return: the hook environment for this instance
|
469 | ecb215b5 | Michael Hanselmann |
|
470 | 396e1b78 | Michael Hanselmann | """
|
471 | 396e1b78 | Michael Hanselmann | env = { |
472 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
|
473 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
|
474 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
|
475 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
476 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
|
477 | 396e1b78 | Michael Hanselmann | "INSTANCE_STATUS": status,
|
478 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
|
479 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
|
480 | 396e1b78 | Michael Hanselmann | } |
481 | 396e1b78 | Michael Hanselmann | |
482 | 396e1b78 | Michael Hanselmann | if nics:
|
483 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
|
484 | 53e4e875 | Guido Trotter | for idx, (ip, bridge, mac) in enumerate(nics): |
485 | 396e1b78 | Michael Hanselmann | if ip is None: |
486 | 396e1b78 | Michael Hanselmann | ip = ""
|
487 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
|
488 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_BRIDGE" % idx] = bridge
|
489 | 53e4e875 | Guido Trotter | env["INSTANCE_NIC%d_HWADDR" % idx] = mac
|
490 | 396e1b78 | Michael Hanselmann | else:
|
491 | 396e1b78 | Michael Hanselmann | nic_count = 0
|
492 | 396e1b78 | Michael Hanselmann | |
493 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
|
494 | 396e1b78 | Michael Hanselmann | |
495 | 396e1b78 | Michael Hanselmann | return env
|
496 | 396e1b78 | Michael Hanselmann | |
497 | 396e1b78 | Michael Hanselmann | |
498 | 338e51e8 | Iustin Pop | def _BuildInstanceHookEnvByObject(lu, instance, override=None): |
499 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
|
500 | ecb215b5 | Michael Hanselmann |
|
501 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
502 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
503 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
504 | e4376078 | Iustin Pop | @param instance: the instance for which we should build the
|
505 | e4376078 | Iustin Pop | environment
|
506 | e4376078 | Iustin Pop | @type override: dict
|
507 | e4376078 | Iustin Pop | @param override: dictionary with key/values that will override
|
508 | e4376078 | Iustin Pop | our values
|
509 | e4376078 | Iustin Pop | @rtype: dict
|
510 | e4376078 | Iustin Pop | @return: the hook environment dictionary
|
511 | e4376078 | Iustin Pop |
|
512 | ecb215b5 | Michael Hanselmann | """
|
513 | 338e51e8 | Iustin Pop | bep = lu.cfg.GetClusterInfo().FillBE(instance) |
514 | 396e1b78 | Michael Hanselmann | args = { |
515 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
|
516 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
|
517 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
|
518 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
|
519 | 396e1b78 | Michael Hanselmann | 'status': instance.os,
|
520 | 338e51e8 | Iustin Pop | 'memory': bep[constants.BE_MEMORY],
|
521 | 338e51e8 | Iustin Pop | 'vcpus': bep[constants.BE_VCPUS],
|
522 | 53e4e875 | Guido Trotter | 'nics': [(nic.ip, nic.bridge, nic.mac) for nic in instance.nics], |
523 | 396e1b78 | Michael Hanselmann | } |
524 | 396e1b78 | Michael Hanselmann | if override:
|
525 | 396e1b78 | Michael Hanselmann | args.update(override) |
526 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
|
527 | 396e1b78 | Michael Hanselmann | |
528 | 396e1b78 | Michael Hanselmann | |
529 | ec0292f1 | Iustin Pop | def _AdjustCandidatePool(lu): |
530 | ec0292f1 | Iustin Pop | """Adjust the candidate pool after node operations.
|
531 | ec0292f1 | Iustin Pop |
|
532 | ec0292f1 | Iustin Pop | """
|
533 | ec0292f1 | Iustin Pop | mod_list = lu.cfg.MaintainCandidatePool() |
534 | ec0292f1 | Iustin Pop | if mod_list:
|
535 | ec0292f1 | Iustin Pop | lu.LogInfo("Promoted nodes to master candidate role: %s",
|
536 | ee513a66 | Iustin Pop | ", ".join(node.name for node in mod_list)) |
537 | ec0292f1 | Iustin Pop | for name in mod_list: |
538 | ec0292f1 | Iustin Pop | lu.context.ReaddNode(name) |
539 | ec0292f1 | Iustin Pop | mc_now, mc_max = lu.cfg.GetMasterCandidateStats() |
540 | ec0292f1 | Iustin Pop | if mc_now > mc_max:
|
541 | ec0292f1 | Iustin Pop | lu.LogInfo("Note: more nodes are candidates (%d) than desired (%d)" %
|
542 | ec0292f1 | Iustin Pop | (mc_now, mc_max)) |
543 | ec0292f1 | Iustin Pop | |
544 | ec0292f1 | Iustin Pop | |
545 | b9bddb6b | Iustin Pop | def _CheckInstanceBridgesExist(lu, instance): |
546 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
547 | bf6929a2 | Alexander Schreiber |
|
548 | bf6929a2 | Alexander Schreiber | """
|
549 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
550 | bf6929a2 | Alexander Schreiber | brlist = [nic.bridge for nic in instance.nics] |
551 | 781de953 | Iustin Pop | result = lu.rpc.call_bridges_exist(instance.primary_node, brlist) |
552 | 781de953 | Iustin Pop | result.Raise() |
553 | 781de953 | Iustin Pop | if not result.data: |
554 | 781de953 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
555 | bf6929a2 | Alexander Schreiber | " exist on destination node '%s'" %
|
556 | bf6929a2 | Alexander Schreiber | (brlist, instance.primary_node)) |
557 | bf6929a2 | Alexander Schreiber | |
558 | bf6929a2 | Alexander Schreiber | |
559 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
560 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
561 | a8083063 | Iustin Pop |
|
562 | a8083063 | Iustin Pop | """
|
563 | a8083063 | Iustin Pop | _OP_REQP = [] |
564 | a8083063 | Iustin Pop | |
565 | a8083063 | Iustin Pop | def CheckPrereq(self): |
566 | a8083063 | Iustin Pop | """Check prerequisites.
|
567 | a8083063 | Iustin Pop |
|
568 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
569 | a8083063 | Iustin Pop |
|
570 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
571 | a8083063 | Iustin Pop |
|
572 | a8083063 | Iustin Pop | """
|
573 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
574 | a8083063 | Iustin Pop | |
575 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
576 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
577 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
578 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
579 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
580 | db915bd1 | Michael Hanselmann | if instancelist:
|
581 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
582 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
583 | a8083063 | Iustin Pop | |
584 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
585 | a8083063 | Iustin Pop | """Destroys the cluster.
|
586 | a8083063 | Iustin Pop |
|
587 | a8083063 | Iustin Pop | """
|
588 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
589 | 781de953 | Iustin Pop | result = self.rpc.call_node_stop_master(master, False) |
590 | 781de953 | Iustin Pop | result.Raise() |
591 | 781de953 | Iustin Pop | if not result.data: |
592 | c9064964 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
593 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
594 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(priv_key) |
595 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(pub_key) |
596 | 140aa4a8 | Iustin Pop | return master
|
597 | a8083063 | Iustin Pop | |
598 | a8083063 | Iustin Pop | |
599 | d8fff41c | Guido Trotter | class LUVerifyCluster(LogicalUnit): |
600 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
601 | a8083063 | Iustin Pop |
|
602 | a8083063 | Iustin Pop | """
|
603 | d8fff41c | Guido Trotter | HPATH = "cluster-verify"
|
604 | d8fff41c | Guido Trotter | HTYPE = constants.HTYPE_CLUSTER |
605 | e54c4c5e | Guido Trotter | _OP_REQP = ["skip_checks"]
|
606 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
607 | d4b9d97f | Guido Trotter | |
608 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
609 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
610 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
611 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
612 | d4b9d97f | Guido Trotter | } |
613 | d4b9d97f | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
614 | a8083063 | Iustin Pop | |
615 | 25361b9a | Iustin Pop | def _VerifyNode(self, nodeinfo, file_list, local_cksum, |
616 | 25361b9a | Iustin Pop | node_result, feedback_fn, master_files): |
617 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
618 | a8083063 | Iustin Pop |
|
619 | 112f18a5 | Iustin Pop | Test list:
|
620 | e4376078 | Iustin Pop |
|
621 | a8083063 | Iustin Pop | - compares ganeti version
|
622 | a8083063 | Iustin Pop | - checks vg existance and size > 20G
|
623 | a8083063 | Iustin Pop | - checks config file checksum
|
624 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
625 | a8083063 | Iustin Pop |
|
626 | 112f18a5 | Iustin Pop | @type nodeinfo: L{objects.Node}
|
627 | 112f18a5 | Iustin Pop | @param nodeinfo: the node to check
|
628 | e4376078 | Iustin Pop | @param file_list: required list of files
|
629 | e4376078 | Iustin Pop | @param local_cksum: dictionary of local files and their checksums
|
630 | e4376078 | Iustin Pop | @param node_result: the results from the node
|
631 | e4376078 | Iustin Pop | @param feedback_fn: function used to accumulate results
|
632 | 112f18a5 | Iustin Pop | @param master_files: list of files that only masters should have
|
633 | 098c0958 | Michael Hanselmann |
|
634 | a8083063 | Iustin Pop | """
|
635 | 112f18a5 | Iustin Pop | node = nodeinfo.name |
636 | 25361b9a | Iustin Pop | |
637 | 25361b9a | Iustin Pop | # main result, node_result should be a non-empty dict
|
638 | 25361b9a | Iustin Pop | if not node_result or not isinstance(node_result, dict): |
639 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: unable to verify node %s." % (node,))
|
640 | 25361b9a | Iustin Pop | return True |
641 | 25361b9a | Iustin Pop | |
642 | a8083063 | Iustin Pop | # compares ganeti version
|
643 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
644 | 25361b9a | Iustin Pop | remote_version = node_result.get('version', None) |
645 | a8083063 | Iustin Pop | if not remote_version: |
646 | c840ae6f | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
647 | a8083063 | Iustin Pop | return True |
648 | a8083063 | Iustin Pop | |
649 | a8083063 | Iustin Pop | if local_version != remote_version:
|
650 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
|
651 | a8083063 | Iustin Pop | (local_version, node, remote_version)) |
652 | a8083063 | Iustin Pop | return True |
653 | a8083063 | Iustin Pop | |
654 | a8083063 | Iustin Pop | # checks vg existance and size > 20G
|
655 | a8083063 | Iustin Pop | |
656 | a8083063 | Iustin Pop | bad = False
|
657 | 25361b9a | Iustin Pop | vglist = node_result.get(constants.NV_VGLIST, None)
|
658 | a8083063 | Iustin Pop | if not vglist: |
659 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
660 | a8083063 | Iustin Pop | (node,)) |
661 | a8083063 | Iustin Pop | bad = True
|
662 | a8083063 | Iustin Pop | else:
|
663 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist, self.cfg.GetVGName(),
|
664 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
665 | a8083063 | Iustin Pop | if vgstatus:
|
666 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
667 | a8083063 | Iustin Pop | bad = True
|
668 | a8083063 | Iustin Pop | |
669 | a8083063 | Iustin Pop | # checks config file checksum
|
670 | a8083063 | Iustin Pop | |
671 | 25361b9a | Iustin Pop | remote_cksum = node_result.get(constants.NV_FILELIST, None)
|
672 | 25361b9a | Iustin Pop | if not isinstance(remote_cksum, dict): |
673 | a8083063 | Iustin Pop | bad = True
|
674 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
675 | a8083063 | Iustin Pop | else:
|
676 | a8083063 | Iustin Pop | for file_name in file_list: |
677 | 112f18a5 | Iustin Pop | node_is_mc = nodeinfo.master_candidate |
678 | 112f18a5 | Iustin Pop | must_have_file = file_name not in master_files |
679 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
680 | 112f18a5 | Iustin Pop | if node_is_mc or must_have_file: |
681 | 112f18a5 | Iustin Pop | bad = True
|
682 | 112f18a5 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
683 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
684 | 112f18a5 | Iustin Pop | if node_is_mc or must_have_file: |
685 | 112f18a5 | Iustin Pop | bad = True
|
686 | 112f18a5 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
687 | 112f18a5 | Iustin Pop | else:
|
688 | 112f18a5 | Iustin Pop | # not candidate and this is not a must-have file
|
689 | 112f18a5 | Iustin Pop | bad = True
|
690 | 112f18a5 | Iustin Pop | feedback_fn(" - ERROR: non master-candidate has old/wrong file"
|
691 | 112f18a5 | Iustin Pop | " '%s'" % file_name)
|
692 | 112f18a5 | Iustin Pop | else:
|
693 | 112f18a5 | Iustin Pop | # all good, except non-master/non-must have combination
|
694 | 112f18a5 | Iustin Pop | if not node_is_mc and not must_have_file: |
695 | 112f18a5 | Iustin Pop | feedback_fn(" - ERROR: file '%s' should not exist on non master"
|
696 | 112f18a5 | Iustin Pop | " candidates" % file_name)
|
697 | a8083063 | Iustin Pop | |
698 | 25361b9a | Iustin Pop | # checks ssh to any
|
699 | 25361b9a | Iustin Pop | |
700 | 25361b9a | Iustin Pop | if constants.NV_NODELIST not in node_result: |
701 | a8083063 | Iustin Pop | bad = True
|
702 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node ssh connectivity data")
|
703 | a8083063 | Iustin Pop | else:
|
704 | 25361b9a | Iustin Pop | if node_result[constants.NV_NODELIST]:
|
705 | a8083063 | Iustin Pop | bad = True
|
706 | 25361b9a | Iustin Pop | for node in node_result[constants.NV_NODELIST]: |
707 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: ssh communication with node '%s': %s" %
|
708 | 25361b9a | Iustin Pop | (node, node_result[constants.NV_NODELIST][node])) |
709 | 25361b9a | Iustin Pop | |
710 | 25361b9a | Iustin Pop | if constants.NV_NODENETTEST not in node_result: |
711 | 9d4bfc96 | Iustin Pop | bad = True
|
712 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node tcp connectivity data")
|
713 | 9d4bfc96 | Iustin Pop | else:
|
714 | 25361b9a | Iustin Pop | if node_result[constants.NV_NODENETTEST]:
|
715 | 9d4bfc96 | Iustin Pop | bad = True
|
716 | 25361b9a | Iustin Pop | nlist = utils.NiceSort(node_result[constants.NV_NODENETTEST].keys()) |
717 | 9d4bfc96 | Iustin Pop | for node in nlist: |
718 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: tcp communication with node '%s': %s" %
|
719 | 25361b9a | Iustin Pop | (node, node_result[constants.NV_NODENETTEST][node])) |
720 | 9d4bfc96 | Iustin Pop | |
721 | 25361b9a | Iustin Pop | hyp_result = node_result.get(constants.NV_HYPERVISOR, None)
|
722 | e69d05fd | Iustin Pop | if isinstance(hyp_result, dict): |
723 | e69d05fd | Iustin Pop | for hv_name, hv_result in hyp_result.iteritems(): |
724 | e69d05fd | Iustin Pop | if hv_result is not None: |
725 | e69d05fd | Iustin Pop | feedback_fn(" - ERROR: hypervisor %s verify failure: '%s'" %
|
726 | e69d05fd | Iustin Pop | (hv_name, hv_result)) |
727 | a8083063 | Iustin Pop | return bad
|
728 | a8083063 | Iustin Pop | |
729 | c5705f58 | Guido Trotter | def _VerifyInstance(self, instance, instanceconfig, node_vol_is, |
730 | 0a66c968 | Iustin Pop | node_instance, feedback_fn, n_offline): |
731 | a8083063 | Iustin Pop | """Verify an instance.
|
732 | a8083063 | Iustin Pop |
|
733 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
734 | a8083063 | Iustin Pop | available on the instance's node.
|
735 | a8083063 | Iustin Pop |
|
736 | a8083063 | Iustin Pop | """
|
737 | a8083063 | Iustin Pop | bad = False
|
738 | a8083063 | Iustin Pop | |
739 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
740 | a8083063 | Iustin Pop | |
741 | a8083063 | Iustin Pop | node_vol_should = {} |
742 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
743 | a8083063 | Iustin Pop | |
744 | a8083063 | Iustin Pop | for node in node_vol_should: |
745 | 0a66c968 | Iustin Pop | if node in n_offline: |
746 | 0a66c968 | Iustin Pop | # ignore missing volumes on offline nodes
|
747 | 0a66c968 | Iustin Pop | continue
|
748 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
749 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
750 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
751 | a8083063 | Iustin Pop | (volume, node)) |
752 | a8083063 | Iustin Pop | bad = True
|
753 | a8083063 | Iustin Pop | |
754 | a8083063 | Iustin Pop | if not instanceconfig.status == 'down': |
755 | 0a66c968 | Iustin Pop | if ((node_current not in node_instance or |
756 | 0a66c968 | Iustin Pop | not instance in node_instance[node_current]) and |
757 | 0a66c968 | Iustin Pop | node_current not in n_offline): |
758 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
759 | a8083063 | Iustin Pop | (instance, node_current)) |
760 | a8083063 | Iustin Pop | bad = True
|
761 | a8083063 | Iustin Pop | |
762 | a8083063 | Iustin Pop | for node in node_instance: |
763 | a8083063 | Iustin Pop | if (not node == node_current): |
764 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
765 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
766 | a8083063 | Iustin Pop | (instance, node)) |
767 | a8083063 | Iustin Pop | bad = True
|
768 | a8083063 | Iustin Pop | |
769 | 6a438c98 | Michael Hanselmann | return bad
|
770 | a8083063 | Iustin Pop | |
771 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
772 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
773 | a8083063 | Iustin Pop |
|
774 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
775 | a8083063 | Iustin Pop | reported as unknown.
|
776 | a8083063 | Iustin Pop |
|
777 | a8083063 | Iustin Pop | """
|
778 | a8083063 | Iustin Pop | bad = False
|
779 | a8083063 | Iustin Pop | |
780 | a8083063 | Iustin Pop | for node in node_vol_is: |
781 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
782 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
783 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
784 | a8083063 | Iustin Pop | (volume, node)) |
785 | a8083063 | Iustin Pop | bad = True
|
786 | a8083063 | Iustin Pop | return bad
|
787 | a8083063 | Iustin Pop | |
788 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
789 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
790 | a8083063 | Iustin Pop |
|
791 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
792 | a8083063 | Iustin Pop |
|
793 | a8083063 | Iustin Pop | """
|
794 | a8083063 | Iustin Pop | bad = False
|
795 | a8083063 | Iustin Pop | for node in node_instance: |
796 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
797 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
798 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
799 | a8083063 | Iustin Pop | (runninginstance, node)) |
800 | a8083063 | Iustin Pop | bad = True
|
801 | a8083063 | Iustin Pop | return bad
|
802 | a8083063 | Iustin Pop | |
803 | 2b3b6ddd | Guido Trotter | def _VerifyNPlusOneMemory(self, node_info, instance_cfg, feedback_fn): |
804 | 2b3b6ddd | Guido Trotter | """Verify N+1 Memory Resilience.
|
805 | 2b3b6ddd | Guido Trotter |
|
806 | 2b3b6ddd | Guido Trotter | Check that if one single node dies we can still start all the instances it
|
807 | 2b3b6ddd | Guido Trotter | was primary for.
|
808 | 2b3b6ddd | Guido Trotter |
|
809 | 2b3b6ddd | Guido Trotter | """
|
810 | 2b3b6ddd | Guido Trotter | bad = False
|
811 | 2b3b6ddd | Guido Trotter | |
812 | 2b3b6ddd | Guido Trotter | for node, nodeinfo in node_info.iteritems(): |
813 | 2b3b6ddd | Guido Trotter | # This code checks that every node which is now listed as secondary has
|
814 | 2b3b6ddd | Guido Trotter | # enough memory to host all instances it is supposed to should a single
|
815 | 2b3b6ddd | Guido Trotter | # other node in the cluster fail.
|
816 | 2b3b6ddd | Guido Trotter | # FIXME: not ready for failover to an arbitrary node
|
817 | 2b3b6ddd | Guido Trotter | # FIXME: does not support file-backed instances
|
818 | 2b3b6ddd | Guido Trotter | # WARNING: we currently take into account down instances as well as up
|
819 | 2b3b6ddd | Guido Trotter | # ones, considering that even if they're down someone might want to start
|
820 | 2b3b6ddd | Guido Trotter | # them even in the event of a node failure.
|
821 | 2b3b6ddd | Guido Trotter | for prinode, instances in nodeinfo['sinst-by-pnode'].iteritems(): |
822 | 2b3b6ddd | Guido Trotter | needed_mem = 0
|
823 | 2b3b6ddd | Guido Trotter | for instance in instances: |
824 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance_cfg[instance])
|
825 | c0f2b229 | Iustin Pop | if bep[constants.BE_AUTO_BALANCE]:
|
826 | 3924700f | Iustin Pop | needed_mem += bep[constants.BE_MEMORY] |
827 | 2b3b6ddd | Guido Trotter | if nodeinfo['mfree'] < needed_mem: |
828 | 2b3b6ddd | Guido Trotter | feedback_fn(" - ERROR: not enough memory on node %s to accomodate"
|
829 | 2b3b6ddd | Guido Trotter | " failovers should node %s fail" % (node, prinode))
|
830 | 2b3b6ddd | Guido Trotter | bad = True
|
831 | 2b3b6ddd | Guido Trotter | return bad
|
832 | 2b3b6ddd | Guido Trotter | |
833 | a8083063 | Iustin Pop | def CheckPrereq(self): |
834 | a8083063 | Iustin Pop | """Check prerequisites.
|
835 | a8083063 | Iustin Pop |
|
836 | e54c4c5e | Guido Trotter | Transform the list of checks we're going to skip into a set and check that
|
837 | e54c4c5e | Guido Trotter | all its members are valid.
|
838 | a8083063 | Iustin Pop |
|
839 | a8083063 | Iustin Pop | """
|
840 | e54c4c5e | Guido Trotter | self.skip_set = frozenset(self.op.skip_checks) |
841 | e54c4c5e | Guido Trotter | if not constants.VERIFY_OPTIONAL_CHECKS.issuperset(self.skip_set): |
842 | e54c4c5e | Guido Trotter | raise errors.OpPrereqError("Invalid checks to be skipped specified") |
843 | a8083063 | Iustin Pop | |
844 | d8fff41c | Guido Trotter | def BuildHooksEnv(self): |
845 | d8fff41c | Guido Trotter | """Build hooks env.
|
846 | d8fff41c | Guido Trotter |
|
847 | d8fff41c | Guido Trotter | Cluster-Verify hooks just rone in the post phase and their failure makes
|
848 | d8fff41c | Guido Trotter | the output be logged in the verify output and the verification to fail.
|
849 | d8fff41c | Guido Trotter |
|
850 | d8fff41c | Guido Trotter | """
|
851 | d8fff41c | Guido Trotter | all_nodes = self.cfg.GetNodeList()
|
852 | d8fff41c | Guido Trotter | # TODO: populate the environment with useful information for verify hooks
|
853 | d8fff41c | Guido Trotter | env = {} |
854 | d8fff41c | Guido Trotter | return env, [], all_nodes
|
855 | d8fff41c | Guido Trotter | |
856 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
857 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
858 | a8083063 | Iustin Pop |
|
859 | a8083063 | Iustin Pop | """
|
860 | a8083063 | Iustin Pop | bad = False
|
861 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
862 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
863 | 8522ceeb | Iustin Pop | feedback_fn(" - ERROR: %s" % msg)
|
864 | a8083063 | Iustin Pop | |
865 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
866 | e69d05fd | Iustin Pop | hypervisors = self.cfg.GetClusterInfo().enabled_hypervisors
|
867 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
868 | 9d4bfc96 | Iustin Pop | nodeinfo = [self.cfg.GetNodeInfo(nname) for nname in nodelist] |
869 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
870 | 93e4c50b | Guido Trotter | i_non_redundant = [] # Non redundant instances
|
871 | 3924700f | Iustin Pop | i_non_a_balanced = [] # Non auto-balanced instances
|
872 | 0a66c968 | Iustin Pop | n_offline = [] # List of offline nodes
|
873 | a8083063 | Iustin Pop | node_volume = {} |
874 | a8083063 | Iustin Pop | node_instance = {} |
875 | 9c9c7d30 | Guido Trotter | node_info = {} |
876 | 26b6af5e | Guido Trotter | instance_cfg = {} |
877 | a8083063 | Iustin Pop | |
878 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
879 | a8083063 | Iustin Pop | # do local checksums
|
880 | 112f18a5 | Iustin Pop | master_files = [constants.CLUSTER_CONF_FILE] |
881 | 112f18a5 | Iustin Pop | |
882 | 112f18a5 | Iustin Pop | file_names = ssconf.SimpleStore().GetFileList() |
883 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
884 | 699777f2 | Michael Hanselmann | file_names.append(constants.RAPI_CERT_FILE) |
885 | 112f18a5 | Iustin Pop | file_names.extend(master_files) |
886 | 112f18a5 | Iustin Pop | |
887 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
888 | a8083063 | Iustin Pop | |
889 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
890 | a8083063 | Iustin Pop | node_verify_param = { |
891 | 25361b9a | Iustin Pop | constants.NV_FILELIST: file_names, |
892 | 82e37788 | Iustin Pop | constants.NV_NODELIST: [node.name for node in nodeinfo |
893 | 82e37788 | Iustin Pop | if not node.offline], |
894 | 25361b9a | Iustin Pop | constants.NV_HYPERVISOR: hypervisors, |
895 | 25361b9a | Iustin Pop | constants.NV_NODENETTEST: [(node.name, node.primary_ip, |
896 | 82e37788 | Iustin Pop | node.secondary_ip) for node in nodeinfo |
897 | 82e37788 | Iustin Pop | if not node.offline], |
898 | 25361b9a | Iustin Pop | constants.NV_LVLIST: vg_name, |
899 | 25361b9a | Iustin Pop | constants.NV_INSTANCELIST: hypervisors, |
900 | 25361b9a | Iustin Pop | constants.NV_VGLIST: None,
|
901 | 25361b9a | Iustin Pop | constants.NV_VERSION: None,
|
902 | 25361b9a | Iustin Pop | constants.NV_HVINFO: self.cfg.GetHypervisorType(),
|
903 | a8083063 | Iustin Pop | } |
904 | 72737a7f | Iustin Pop | all_nvinfo = self.rpc.call_node_verify(nodelist, node_verify_param,
|
905 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
906 | a8083063 | Iustin Pop | |
907 | 3924700f | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
908 | 112f18a5 | Iustin Pop | master_node = self.cfg.GetMasterNode()
|
909 | 112f18a5 | Iustin Pop | for node_i in nodeinfo: |
910 | 112f18a5 | Iustin Pop | node = node_i.name |
911 | 25361b9a | Iustin Pop | nresult = all_nvinfo[node].data |
912 | 25361b9a | Iustin Pop | |
913 | 0a66c968 | Iustin Pop | if node_i.offline:
|
914 | 0a66c968 | Iustin Pop | feedback_fn("* Skipping offline node %s" % (node,))
|
915 | 0a66c968 | Iustin Pop | n_offline.append(node) |
916 | 0a66c968 | Iustin Pop | continue
|
917 | 0a66c968 | Iustin Pop | |
918 | 112f18a5 | Iustin Pop | if node == master_node:
|
919 | 25361b9a | Iustin Pop | ntype = "master"
|
920 | 112f18a5 | Iustin Pop | elif node_i.master_candidate:
|
921 | 25361b9a | Iustin Pop | ntype = "master candidate"
|
922 | 112f18a5 | Iustin Pop | else:
|
923 | 25361b9a | Iustin Pop | ntype = "regular"
|
924 | 112f18a5 | Iustin Pop | feedback_fn("* Verifying node %s (%s)" % (node, ntype))
|
925 | 25361b9a | Iustin Pop | |
926 | 25361b9a | Iustin Pop | if all_nvinfo[node].failed or not isinstance(nresult, dict): |
927 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
928 | 25361b9a | Iustin Pop | bad = True
|
929 | 25361b9a | Iustin Pop | continue
|
930 | 25361b9a | Iustin Pop | |
931 | 112f18a5 | Iustin Pop | result = self._VerifyNode(node_i, file_names, local_checksums,
|
932 | 25361b9a | Iustin Pop | nresult, feedback_fn, master_files) |
933 | a8083063 | Iustin Pop | bad = bad or result
|
934 | a8083063 | Iustin Pop | |
935 | 25361b9a | Iustin Pop | lvdata = nresult.get(constants.NV_LVLIST, "Missing LV data")
|
936 | 25361b9a | Iustin Pop | if isinstance(lvdata, basestring): |
937 | b63ed789 | Iustin Pop | feedback_fn(" - ERROR: LVM problem on node %s: %s" %
|
938 | 25361b9a | Iustin Pop | (node, lvdata.encode('string_escape')))
|
939 | b63ed789 | Iustin Pop | bad = True
|
940 | b63ed789 | Iustin Pop | node_volume[node] = {} |
941 | 25361b9a | Iustin Pop | elif not isinstance(lvdata, dict): |
942 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed (lvlist)" % (node,))
|
943 | a8083063 | Iustin Pop | bad = True
|
944 | a8083063 | Iustin Pop | continue
|
945 | b63ed789 | Iustin Pop | else:
|
946 | 25361b9a | Iustin Pop | node_volume[node] = lvdata |
947 | a8083063 | Iustin Pop | |
948 | a8083063 | Iustin Pop | # node_instance
|
949 | 25361b9a | Iustin Pop | idata = nresult.get(constants.NV_INSTANCELIST, None)
|
950 | 25361b9a | Iustin Pop | if not isinstance(idata, list): |
951 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed (instancelist)" %
|
952 | 25361b9a | Iustin Pop | (node,)) |
953 | a8083063 | Iustin Pop | bad = True
|
954 | a8083063 | Iustin Pop | continue
|
955 | a8083063 | Iustin Pop | |
956 | 25361b9a | Iustin Pop | node_instance[node] = idata |
957 | a8083063 | Iustin Pop | |
958 | 9c9c7d30 | Guido Trotter | # node_info
|
959 | 25361b9a | Iustin Pop | nodeinfo = nresult.get(constants.NV_HVINFO, None)
|
960 | 9c9c7d30 | Guido Trotter | if not isinstance(nodeinfo, dict): |
961 | 25361b9a | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed (hvinfo)" % (node,))
|
962 | 9c9c7d30 | Guido Trotter | bad = True
|
963 | 9c9c7d30 | Guido Trotter | continue
|
964 | 9c9c7d30 | Guido Trotter | |
965 | 9c9c7d30 | Guido Trotter | try:
|
966 | 9c9c7d30 | Guido Trotter | node_info[node] = { |
967 | 9c9c7d30 | Guido Trotter | "mfree": int(nodeinfo['memory_free']), |
968 | 25361b9a | Iustin Pop | "dfree": int(nresult[constants.NV_VGLIST][vg_name]), |
969 | 93e4c50b | Guido Trotter | "pinst": [],
|
970 | 93e4c50b | Guido Trotter | "sinst": [],
|
971 | 36e7da50 | Guido Trotter | # dictionary holding all instances this node is secondary for,
|
972 | 36e7da50 | Guido Trotter | # grouped by their primary node. Each key is a cluster node, and each
|
973 | 36e7da50 | Guido Trotter | # value is a list of instances which have the key as primary and the
|
974 | 36e7da50 | Guido Trotter | # current node as secondary. this is handy to calculate N+1 memory
|
975 | 36e7da50 | Guido Trotter | # availability if you can only failover from a primary to its
|
976 | 36e7da50 | Guido Trotter | # secondary.
|
977 | 36e7da50 | Guido Trotter | "sinst-by-pnode": {},
|
978 | 9c9c7d30 | Guido Trotter | } |
979 | 9c9c7d30 | Guido Trotter | except ValueError: |
980 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: invalid value returned from node %s" % (node,))
|
981 | 9c9c7d30 | Guido Trotter | bad = True
|
982 | 9c9c7d30 | Guido Trotter | continue
|
983 | 9c9c7d30 | Guido Trotter | |
984 | a8083063 | Iustin Pop | node_vol_should = {} |
985 | a8083063 | Iustin Pop | |
986 | a8083063 | Iustin Pop | for instance in instancelist: |
987 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
988 | a8083063 | Iustin Pop | inst_config = self.cfg.GetInstanceInfo(instance)
|
989 | c5705f58 | Guido Trotter | result = self._VerifyInstance(instance, inst_config, node_volume,
|
990 | 0a66c968 | Iustin Pop | node_instance, feedback_fn, n_offline) |
991 | c5705f58 | Guido Trotter | bad = bad or result
|
992 | 832261fd | Iustin Pop | inst_nodes_offline = [] |
993 | a8083063 | Iustin Pop | |
994 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
995 | a8083063 | Iustin Pop | |
996 | 26b6af5e | Guido Trotter | instance_cfg[instance] = inst_config |
997 | 26b6af5e | Guido Trotter | |
998 | 93e4c50b | Guido Trotter | pnode = inst_config.primary_node |
999 | 93e4c50b | Guido Trotter | if pnode in node_info: |
1000 | 93e4c50b | Guido Trotter | node_info[pnode]['pinst'].append(instance)
|
1001 | 0a66c968 | Iustin Pop | elif pnode not in n_offline: |
1002 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to primary node"
|
1003 | 93e4c50b | Guido Trotter | " %s failed" % (instance, pnode))
|
1004 | 93e4c50b | Guido Trotter | bad = True
|
1005 | 93e4c50b | Guido Trotter | |
1006 | 832261fd | Iustin Pop | if pnode in n_offline: |
1007 | 832261fd | Iustin Pop | inst_nodes_offline.append(pnode) |
1008 | 832261fd | Iustin Pop | |
1009 | 93e4c50b | Guido Trotter | # If the instance is non-redundant we cannot survive losing its primary
|
1010 | 93e4c50b | Guido Trotter | # node, so we are not N+1 compliant. On the other hand we have no disk
|
1011 | 93e4c50b | Guido Trotter | # templates with more than one secondary so that situation is not well
|
1012 | 93e4c50b | Guido Trotter | # supported either.
|
1013 | 93e4c50b | Guido Trotter | # FIXME: does not support file-backed instances
|
1014 | 93e4c50b | Guido Trotter | if len(inst_config.secondary_nodes) == 0: |
1015 | 93e4c50b | Guido Trotter | i_non_redundant.append(instance) |
1016 | 93e4c50b | Guido Trotter | elif len(inst_config.secondary_nodes) > 1: |
1017 | 93e4c50b | Guido Trotter | feedback_fn(" - WARNING: multiple secondaries for instance %s"
|
1018 | 93e4c50b | Guido Trotter | % instance) |
1019 | 93e4c50b | Guido Trotter | |
1020 | c0f2b229 | Iustin Pop | if not cluster.FillBE(inst_config)[constants.BE_AUTO_BALANCE]: |
1021 | 3924700f | Iustin Pop | i_non_a_balanced.append(instance) |
1022 | 3924700f | Iustin Pop | |
1023 | 93e4c50b | Guido Trotter | for snode in inst_config.secondary_nodes: |
1024 | 93e4c50b | Guido Trotter | if snode in node_info: |
1025 | 93e4c50b | Guido Trotter | node_info[snode]['sinst'].append(instance)
|
1026 | 36e7da50 | Guido Trotter | if pnode not in node_info[snode]['sinst-by-pnode']: |
1027 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode] = []
|
1028 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode].append(instance)
|
1029 | 0a66c968 | Iustin Pop | elif snode not in n_offline: |
1030 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to secondary node"
|
1031 | 93e4c50b | Guido Trotter | " %s failed" % (instance, snode))
|
1032 | 832261fd | Iustin Pop | bad = True
|
1033 | 832261fd | Iustin Pop | if snode in n_offline: |
1034 | 832261fd | Iustin Pop | inst_nodes_offline.append(snode) |
1035 | 832261fd | Iustin Pop | |
1036 | 832261fd | Iustin Pop | if inst_nodes_offline:
|
1037 | 832261fd | Iustin Pop | # warn that the instance lives on offline nodes, and set bad=True
|
1038 | 832261fd | Iustin Pop | feedback_fn(" - ERROR: instance lives on offline node(s) %s" %
|
1039 | 832261fd | Iustin Pop | ", ".join(inst_nodes_offline))
|
1040 | 832261fd | Iustin Pop | bad = True
|
1041 | 93e4c50b | Guido Trotter | |
1042 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
1043 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
1044 | a8083063 | Iustin Pop | feedback_fn) |
1045 | a8083063 | Iustin Pop | bad = bad or result
|
1046 | a8083063 | Iustin Pop | |
1047 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
1048 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
1049 | a8083063 | Iustin Pop | feedback_fn) |
1050 | a8083063 | Iustin Pop | bad = bad or result
|
1051 | a8083063 | Iustin Pop | |
1052 | e54c4c5e | Guido Trotter | if constants.VERIFY_NPLUSONE_MEM not in self.skip_set: |
1053 | e54c4c5e | Guido Trotter | feedback_fn("* Verifying N+1 Memory redundancy")
|
1054 | e54c4c5e | Guido Trotter | result = self._VerifyNPlusOneMemory(node_info, instance_cfg, feedback_fn)
|
1055 | e54c4c5e | Guido Trotter | bad = bad or result
|
1056 | 2b3b6ddd | Guido Trotter | |
1057 | 2b3b6ddd | Guido Trotter | feedback_fn("* Other Notes")
|
1058 | 2b3b6ddd | Guido Trotter | if i_non_redundant:
|
1059 | 2b3b6ddd | Guido Trotter | feedback_fn(" - NOTICE: %d non-redundant instance(s) found."
|
1060 | 2b3b6ddd | Guido Trotter | % len(i_non_redundant))
|
1061 | 2b3b6ddd | Guido Trotter | |
1062 | 3924700f | Iustin Pop | if i_non_a_balanced:
|
1063 | 3924700f | Iustin Pop | feedback_fn(" - NOTICE: %d non-auto-balanced instance(s) found."
|
1064 | 3924700f | Iustin Pop | % len(i_non_a_balanced))
|
1065 | 3924700f | Iustin Pop | |
1066 | 0a66c968 | Iustin Pop | if n_offline:
|
1067 | 0a66c968 | Iustin Pop | feedback_fn(" - NOTICE: %d offline node(s) found." % len(n_offline)) |
1068 | 0a66c968 | Iustin Pop | |
1069 | 34290825 | Michael Hanselmann | return not bad |
1070 | a8083063 | Iustin Pop | |
1071 | d8fff41c | Guido Trotter | def HooksCallBack(self, phase, hooks_results, feedback_fn, lu_result): |
1072 | e4376078 | Iustin Pop | """Analize the post-hooks' result
|
1073 | e4376078 | Iustin Pop |
|
1074 | e4376078 | Iustin Pop | This method analyses the hook result, handles it, and sends some
|
1075 | d8fff41c | Guido Trotter | nicely-formatted feedback back to the user.
|
1076 | d8fff41c | Guido Trotter |
|
1077 | e4376078 | Iustin Pop | @param phase: one of L{constants.HOOKS_PHASE_POST} or
|
1078 | e4376078 | Iustin Pop | L{constants.HOOKS_PHASE_PRE}; it denotes the hooks phase
|
1079 | e4376078 | Iustin Pop | @param hooks_results: the results of the multi-node hooks rpc call
|
1080 | e4376078 | Iustin Pop | @param feedback_fn: function used send feedback back to the caller
|
1081 | e4376078 | Iustin Pop | @param lu_result: previous Exec result
|
1082 | e4376078 | Iustin Pop | @return: the new Exec result, based on the previous result
|
1083 | e4376078 | Iustin Pop | and hook results
|
1084 | d8fff41c | Guido Trotter |
|
1085 | d8fff41c | Guido Trotter | """
|
1086 | 38206f3c | Iustin Pop | # We only really run POST phase hooks, and are only interested in
|
1087 | 38206f3c | Iustin Pop | # their results
|
1088 | d8fff41c | Guido Trotter | if phase == constants.HOOKS_PHASE_POST:
|
1089 | d8fff41c | Guido Trotter | # Used to change hooks' output to proper indentation
|
1090 | d8fff41c | Guido Trotter | indent_re = re.compile('^', re.M)
|
1091 | d8fff41c | Guido Trotter | feedback_fn("* Hooks Results")
|
1092 | d8fff41c | Guido Trotter | if not hooks_results: |
1093 | d8fff41c | Guido Trotter | feedback_fn(" - ERROR: general communication failure")
|
1094 | d8fff41c | Guido Trotter | lu_result = 1
|
1095 | d8fff41c | Guido Trotter | else:
|
1096 | d8fff41c | Guido Trotter | for node_name in hooks_results: |
1097 | d8fff41c | Guido Trotter | show_node_header = True
|
1098 | d8fff41c | Guido Trotter | res = hooks_results[node_name] |
1099 | 25361b9a | Iustin Pop | if res.failed or res.data is False or not isinstance(res.data, list): |
1100 | 0a66c968 | Iustin Pop | if res.offline:
|
1101 | 0a66c968 | Iustin Pop | # no need to warn or set fail return value
|
1102 | 0a66c968 | Iustin Pop | continue
|
1103 | 25361b9a | Iustin Pop | feedback_fn(" Communication failure in hooks execution")
|
1104 | d8fff41c | Guido Trotter | lu_result = 1
|
1105 | d8fff41c | Guido Trotter | continue
|
1106 | 25361b9a | Iustin Pop | for script, hkr, output in res.data: |
1107 | d8fff41c | Guido Trotter | if hkr == constants.HKR_FAIL:
|
1108 | d8fff41c | Guido Trotter | # The node header is only shown once, if there are
|
1109 | d8fff41c | Guido Trotter | # failing hooks on that node
|
1110 | d8fff41c | Guido Trotter | if show_node_header:
|
1111 | d8fff41c | Guido Trotter | feedback_fn(" Node %s:" % node_name)
|
1112 | d8fff41c | Guido Trotter | show_node_header = False
|
1113 | d8fff41c | Guido Trotter | feedback_fn(" ERROR: Script %s failed, output:" % script)
|
1114 | d8fff41c | Guido Trotter | output = indent_re.sub(' ', output)
|
1115 | d8fff41c | Guido Trotter | feedback_fn("%s" % output)
|
1116 | d8fff41c | Guido Trotter | lu_result = 1
|
1117 | d8fff41c | Guido Trotter | |
1118 | d8fff41c | Guido Trotter | return lu_result
|
1119 | d8fff41c | Guido Trotter | |
1120 | a8083063 | Iustin Pop | |
1121 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
1122 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
1123 | 2c95a8d4 | Iustin Pop |
|
1124 | 2c95a8d4 | Iustin Pop | """
|
1125 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
1126 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
1127 | d4b9d97f | Guido Trotter | |
1128 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
1129 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
1130 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1131 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
1132 | d4b9d97f | Guido Trotter | } |
1133 | d4b9d97f | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
1134 | 2c95a8d4 | Iustin Pop | |
1135 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
1136 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
1137 | 2c95a8d4 | Iustin Pop |
|
1138 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
1139 | 2c95a8d4 | Iustin Pop |
|
1140 | 2c95a8d4 | Iustin Pop | """
|
1141 | 2c95a8d4 | Iustin Pop | pass
|
1142 | 2c95a8d4 | Iustin Pop | |
1143 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
1144 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
1145 | 2c95a8d4 | Iustin Pop |
|
1146 | 2c95a8d4 | Iustin Pop | """
|
1147 | b63ed789 | Iustin Pop | result = res_nodes, res_nlvm, res_instances, res_missing = [], {}, [], {} |
1148 | 2c95a8d4 | Iustin Pop | |
1149 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
1150 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
1151 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
1152 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
1153 | 2c95a8d4 | Iustin Pop | |
1154 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
1155 | 2c95a8d4 | Iustin Pop | for inst in instances: |
1156 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
1157 | 2c95a8d4 | Iustin Pop | if (inst.status != "up" or |
1158 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
1159 | 2c95a8d4 | Iustin Pop | continue
|
1160 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
1161 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
1162 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
1163 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
1164 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
1165 | 2c95a8d4 | Iustin Pop | |
1166 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
1167 | 2c95a8d4 | Iustin Pop | return result
|
1168 | 2c95a8d4 | Iustin Pop | |
1169 | 72737a7f | Iustin Pop | node_lvs = self.rpc.call_volume_list(nodes, vg_name)
|
1170 | 2c95a8d4 | Iustin Pop | |
1171 | 2c95a8d4 | Iustin Pop | to_act = set()
|
1172 | 2c95a8d4 | Iustin Pop | for node in nodes: |
1173 | 2c95a8d4 | Iustin Pop | # node_volume
|
1174 | 2c95a8d4 | Iustin Pop | lvs = node_lvs[node] |
1175 | 781de953 | Iustin Pop | if lvs.failed:
|
1176 | 0a66c968 | Iustin Pop | if not lvs.offline: |
1177 | 0a66c968 | Iustin Pop | self.LogWarning("Connection to node %s failed: %s" % |
1178 | 0a66c968 | Iustin Pop | (node, lvs.data)) |
1179 | 781de953 | Iustin Pop | continue
|
1180 | 781de953 | Iustin Pop | lvs = lvs.data |
1181 | b63ed789 | Iustin Pop | if isinstance(lvs, basestring): |
1182 | 9a4f63d1 | Iustin Pop | logging.warning("Error enumerating LVs on node %s: %s", node, lvs)
|
1183 | b63ed789 | Iustin Pop | res_nlvm[node] = lvs |
1184 | b63ed789 | Iustin Pop | elif not isinstance(lvs, dict): |
1185 | 9a4f63d1 | Iustin Pop | logging.warning("Connection to node %s failed or invalid data"
|
1186 | 9a4f63d1 | Iustin Pop | " returned", node)
|
1187 | 2c95a8d4 | Iustin Pop | res_nodes.append(node) |
1188 | 2c95a8d4 | Iustin Pop | continue
|
1189 | 2c95a8d4 | Iustin Pop | |
1190 | 2c95a8d4 | Iustin Pop | for lv_name, (_, lv_inactive, lv_online) in lvs.iteritems(): |
1191 | b63ed789 | Iustin Pop | inst = nv_dict.pop((node, lv_name), None)
|
1192 | b63ed789 | Iustin Pop | if (not lv_online and inst is not None |
1193 | b63ed789 | Iustin Pop | and inst.name not in res_instances): |
1194 | b08d5a87 | Iustin Pop | res_instances.append(inst.name) |
1195 | 2c95a8d4 | Iustin Pop | |
1196 | b63ed789 | Iustin Pop | # any leftover items in nv_dict are missing LVs, let's arrange the
|
1197 | b63ed789 | Iustin Pop | # data better
|
1198 | b63ed789 | Iustin Pop | for key, inst in nv_dict.iteritems(): |
1199 | b63ed789 | Iustin Pop | if inst.name not in res_missing: |
1200 | b63ed789 | Iustin Pop | res_missing[inst.name] = [] |
1201 | b63ed789 | Iustin Pop | res_missing[inst.name].append(key) |
1202 | b63ed789 | Iustin Pop | |
1203 | 2c95a8d4 | Iustin Pop | return result
|
1204 | 2c95a8d4 | Iustin Pop | |
1205 | 2c95a8d4 | Iustin Pop | |
1206 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
1207 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1208 | 07bd8a51 | Iustin Pop |
|
1209 | 07bd8a51 | Iustin Pop | """
|
1210 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
1211 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
1212 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
1213 | 07bd8a51 | Iustin Pop | |
1214 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
1215 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
1216 | 07bd8a51 | Iustin Pop |
|
1217 | 07bd8a51 | Iustin Pop | """
|
1218 | 07bd8a51 | Iustin Pop | env = { |
1219 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1220 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
1221 | 07bd8a51 | Iustin Pop | } |
1222 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1223 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
1224 | 07bd8a51 | Iustin Pop | |
1225 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
1226 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
1227 | 07bd8a51 | Iustin Pop |
|
1228 | 07bd8a51 | Iustin Pop | """
|
1229 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
1230 | 07bd8a51 | Iustin Pop | |
1231 | bcf043c9 | Iustin Pop | new_name = hostname.name |
1232 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
1233 | d6a02168 | Michael Hanselmann | old_name = self.cfg.GetClusterName()
|
1234 | d6a02168 | Michael Hanselmann | old_ip = self.cfg.GetMasterIP()
|
1235 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
1236 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
1237 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
1238 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
1239 | 937f983d | Guido Trotter | if utils.TcpPing(new_ip, constants.DEFAULT_NODED_PORT):
|
1240 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
1241 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
1242 | 07bd8a51 | Iustin Pop | new_ip) |
1243 | 07bd8a51 | Iustin Pop | |
1244 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
1245 | 07bd8a51 | Iustin Pop | |
1246 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
1247 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1248 | 07bd8a51 | Iustin Pop |
|
1249 | 07bd8a51 | Iustin Pop | """
|
1250 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
1251 | 07bd8a51 | Iustin Pop | ip = self.ip
|
1252 | 07bd8a51 | Iustin Pop | |
1253 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
1254 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
1255 | 781de953 | Iustin Pop | result = self.rpc.call_node_stop_master(master, False) |
1256 | 781de953 | Iustin Pop | if result.failed or not result.data: |
1257 | 07bd8a51 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
1258 | 07bd8a51 | Iustin Pop | |
1259 | 07bd8a51 | Iustin Pop | try:
|
1260 | 55cf7d83 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
1261 | 55cf7d83 | Iustin Pop | cluster.cluster_name = clustername |
1262 | 55cf7d83 | Iustin Pop | cluster.master_ip = ip |
1263 | 55cf7d83 | Iustin Pop | self.cfg.Update(cluster)
|
1264 | ec85e3d5 | Iustin Pop | |
1265 | ec85e3d5 | Iustin Pop | # update the known hosts file
|
1266 | ec85e3d5 | Iustin Pop | ssh.WriteKnownHostsFile(self.cfg, constants.SSH_KNOWN_HOSTS_FILE)
|
1267 | ec85e3d5 | Iustin Pop | node_list = self.cfg.GetNodeList()
|
1268 | ec85e3d5 | Iustin Pop | try:
|
1269 | ec85e3d5 | Iustin Pop | node_list.remove(master) |
1270 | ec85e3d5 | Iustin Pop | except ValueError: |
1271 | ec85e3d5 | Iustin Pop | pass
|
1272 | ec85e3d5 | Iustin Pop | result = self.rpc.call_upload_file(node_list,
|
1273 | ec85e3d5 | Iustin Pop | constants.SSH_KNOWN_HOSTS_FILE) |
1274 | ec85e3d5 | Iustin Pop | for to_node, to_result in result.iteritems(): |
1275 | ec85e3d5 | Iustin Pop | if to_result.failed or not to_result.data: |
1276 | d1dc3548 | Iustin Pop | logging.error("Copy of file %s to node %s failed",
|
1277 | d1dc3548 | Iustin Pop | constants.SSH_KNOWN_HOSTS_FILE, to_node) |
1278 | ec85e3d5 | Iustin Pop | |
1279 | 07bd8a51 | Iustin Pop | finally:
|
1280 | 781de953 | Iustin Pop | result = self.rpc.call_node_start_master(master, False) |
1281 | 781de953 | Iustin Pop | if result.failed or not result.data: |
1282 | 86d9d3bb | Iustin Pop | self.LogWarning("Could not re-enable the master role on" |
1283 | 86d9d3bb | Iustin Pop | " the master, please restart manually.")
|
1284 | 07bd8a51 | Iustin Pop | |
1285 | 07bd8a51 | Iustin Pop | |
1286 | 8084f9f6 | Manuel Franceschini | def _RecursiveCheckIfLVMBased(disk): |
1287 | 8084f9f6 | Manuel Franceschini | """Check if the given disk or its children are lvm-based.
|
1288 | 8084f9f6 | Manuel Franceschini |
|
1289 | e4376078 | Iustin Pop | @type disk: L{objects.Disk}
|
1290 | e4376078 | Iustin Pop | @param disk: the disk to check
|
1291 | e4376078 | Iustin Pop | @rtype: booleean
|
1292 | e4376078 | Iustin Pop | @return: boolean indicating whether a LD_LV dev_type was found or not
|
1293 | 8084f9f6 | Manuel Franceschini |
|
1294 | 8084f9f6 | Manuel Franceschini | """
|
1295 | 8084f9f6 | Manuel Franceschini | if disk.children:
|
1296 | 8084f9f6 | Manuel Franceschini | for chdisk in disk.children: |
1297 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(chdisk):
|
1298 | 8084f9f6 | Manuel Franceschini | return True |
1299 | 8084f9f6 | Manuel Franceschini | return disk.dev_type == constants.LD_LV
|
1300 | 8084f9f6 | Manuel Franceschini | |
1301 | 8084f9f6 | Manuel Franceschini | |
1302 | 8084f9f6 | Manuel Franceschini | class LUSetClusterParams(LogicalUnit): |
1303 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1304 | 8084f9f6 | Manuel Franceschini |
|
1305 | 8084f9f6 | Manuel Franceschini | """
|
1306 | 8084f9f6 | Manuel Franceschini | HPATH = "cluster-modify"
|
1307 | 8084f9f6 | Manuel Franceschini | HTYPE = constants.HTYPE_CLUSTER |
1308 | 8084f9f6 | Manuel Franceschini | _OP_REQP = [] |
1309 | c53279cf | Guido Trotter | REQ_BGL = False
|
1310 | c53279cf | Guido Trotter | |
1311 | 4b7735f9 | Iustin Pop | def CheckParameters(self): |
1312 | 4b7735f9 | Iustin Pop | """Check parameters
|
1313 | 4b7735f9 | Iustin Pop |
|
1314 | 4b7735f9 | Iustin Pop | """
|
1315 | 4b7735f9 | Iustin Pop | if not hasattr(self.op, "candidate_pool_size"): |
1316 | 4b7735f9 | Iustin Pop | self.op.candidate_pool_size = None |
1317 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size is not None: |
1318 | 4b7735f9 | Iustin Pop | try:
|
1319 | 4b7735f9 | Iustin Pop | self.op.candidate_pool_size = int(self.op.candidate_pool_size) |
1320 | 4b7735f9 | Iustin Pop | except ValueError, err: |
1321 | 4b7735f9 | Iustin Pop | raise errors.OpPrereqError("Invalid candidate_pool_size value: %s" % |
1322 | 4b7735f9 | Iustin Pop | str(err))
|
1323 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size < 1: |
1324 | 4b7735f9 | Iustin Pop | raise errors.OpPrereqError("At least one master candidate needed") |
1325 | 4b7735f9 | Iustin Pop | |
1326 | c53279cf | Guido Trotter | def ExpandNames(self): |
1327 | c53279cf | Guido Trotter | # FIXME: in the future maybe other cluster params won't require checking on
|
1328 | c53279cf | Guido Trotter | # all nodes to be modified.
|
1329 | c53279cf | Guido Trotter | self.needed_locks = {
|
1330 | c53279cf | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1331 | c53279cf | Guido Trotter | } |
1332 | c53279cf | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1333 | 8084f9f6 | Manuel Franceschini | |
1334 | 8084f9f6 | Manuel Franceschini | def BuildHooksEnv(self): |
1335 | 8084f9f6 | Manuel Franceschini | """Build hooks env.
|
1336 | 8084f9f6 | Manuel Franceschini |
|
1337 | 8084f9f6 | Manuel Franceschini | """
|
1338 | 8084f9f6 | Manuel Franceschini | env = { |
1339 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1340 | 8084f9f6 | Manuel Franceschini | "NEW_VG_NAME": self.op.vg_name, |
1341 | 8084f9f6 | Manuel Franceschini | } |
1342 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1343 | 8084f9f6 | Manuel Franceschini | return env, [mn], [mn]
|
1344 | 8084f9f6 | Manuel Franceschini | |
1345 | 8084f9f6 | Manuel Franceschini | def CheckPrereq(self): |
1346 | 8084f9f6 | Manuel Franceschini | """Check prerequisites.
|
1347 | 8084f9f6 | Manuel Franceschini |
|
1348 | 8084f9f6 | Manuel Franceschini | This checks whether the given params don't conflict and
|
1349 | 5f83e263 | Iustin Pop | if the given volume group is valid.
|
1350 | 8084f9f6 | Manuel Franceschini |
|
1351 | 8084f9f6 | Manuel Franceschini | """
|
1352 | c53279cf | Guido Trotter | # FIXME: This only works because there is only one parameter that can be
|
1353 | c53279cf | Guido Trotter | # changed or removed.
|
1354 | 779c15bb | Iustin Pop | if self.op.vg_name is not None and not self.op.vg_name: |
1355 | c53279cf | Guido Trotter | instances = self.cfg.GetAllInstancesInfo().values()
|
1356 | 8084f9f6 | Manuel Franceschini | for inst in instances: |
1357 | 8084f9f6 | Manuel Franceschini | for disk in inst.disks: |
1358 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(disk):
|
1359 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Cannot disable lvm storage while" |
1360 | 8084f9f6 | Manuel Franceschini | " lvm-based instances exist")
|
1361 | 8084f9f6 | Manuel Franceschini | |
1362 | 779c15bb | Iustin Pop | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1363 | 779c15bb | Iustin Pop | |
1364 | 8084f9f6 | Manuel Franceschini | # if vg_name not None, checks given volume group on all nodes
|
1365 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name: |
1366 | 72737a7f | Iustin Pop | vglist = self.rpc.call_vg_list(node_list)
|
1367 | 8084f9f6 | Manuel Franceschini | for node in node_list: |
1368 | 781de953 | Iustin Pop | if vglist[node].failed:
|
1369 | 781de953 | Iustin Pop | # ignoring down node
|
1370 | 781de953 | Iustin Pop | self.LogWarning("Node %s unreachable/error, ignoring" % node) |
1371 | 781de953 | Iustin Pop | continue
|
1372 | 781de953 | Iustin Pop | vgstatus = utils.CheckVolumeGroupSize(vglist[node].data, |
1373 | 781de953 | Iustin Pop | self.op.vg_name,
|
1374 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
1375 | 8084f9f6 | Manuel Franceschini | if vgstatus:
|
1376 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Error on node '%s': %s" % |
1377 | 8084f9f6 | Manuel Franceschini | (node, vgstatus)) |
1378 | 8084f9f6 | Manuel Franceschini | |
1379 | 779c15bb | Iustin Pop | self.cluster = cluster = self.cfg.GetClusterInfo() |
1380 | d4b72030 | Guido Trotter | # validate beparams changes
|
1381 | 779c15bb | Iustin Pop | if self.op.beparams: |
1382 | d4b72030 | Guido Trotter | utils.CheckBEParams(self.op.beparams)
|
1383 | 779c15bb | Iustin Pop | self.new_beparams = cluster.FillDict(
|
1384 | 779c15bb | Iustin Pop | cluster.beparams[constants.BEGR_DEFAULT], self.op.beparams)
|
1385 | 779c15bb | Iustin Pop | |
1386 | 779c15bb | Iustin Pop | # hypervisor list/parameters
|
1387 | 779c15bb | Iustin Pop | self.new_hvparams = cluster.FillDict(cluster.hvparams, {})
|
1388 | 779c15bb | Iustin Pop | if self.op.hvparams: |
1389 | 779c15bb | Iustin Pop | if not isinstance(self.op.hvparams, dict): |
1390 | 779c15bb | Iustin Pop | raise errors.OpPrereqError("Invalid 'hvparams' parameter on input") |
1391 | 779c15bb | Iustin Pop | for hv_name, hv_dict in self.op.hvparams.items(): |
1392 | 779c15bb | Iustin Pop | if hv_name not in self.new_hvparams: |
1393 | 779c15bb | Iustin Pop | self.new_hvparams[hv_name] = hv_dict
|
1394 | 779c15bb | Iustin Pop | else:
|
1395 | 779c15bb | Iustin Pop | self.new_hvparams[hv_name].update(hv_dict)
|
1396 | 779c15bb | Iustin Pop | |
1397 | 779c15bb | Iustin Pop | if self.op.enabled_hypervisors is not None: |
1398 | 779c15bb | Iustin Pop | self.hv_list = self.op.enabled_hypervisors |
1399 | 779c15bb | Iustin Pop | else:
|
1400 | 779c15bb | Iustin Pop | self.hv_list = cluster.enabled_hypervisors
|
1401 | 779c15bb | Iustin Pop | |
1402 | 779c15bb | Iustin Pop | if self.op.hvparams or self.op.enabled_hypervisors is not None: |
1403 | 779c15bb | Iustin Pop | # either the enabled list has changed, or the parameters have, validate
|
1404 | 779c15bb | Iustin Pop | for hv_name, hv_params in self.new_hvparams.items(): |
1405 | 779c15bb | Iustin Pop | if ((self.op.hvparams and hv_name in self.op.hvparams) or |
1406 | 779c15bb | Iustin Pop | (self.op.enabled_hypervisors and |
1407 | 779c15bb | Iustin Pop | hv_name in self.op.enabled_hypervisors)): |
1408 | 779c15bb | Iustin Pop | # either this is a new hypervisor, or its parameters have changed
|
1409 | 779c15bb | Iustin Pop | hv_class = hypervisor.GetHypervisor(hv_name) |
1410 | 779c15bb | Iustin Pop | hv_class.CheckParameterSyntax(hv_params) |
1411 | 779c15bb | Iustin Pop | _CheckHVParams(self, node_list, hv_name, hv_params)
|
1412 | 779c15bb | Iustin Pop | |
1413 | 8084f9f6 | Manuel Franceschini | def Exec(self, feedback_fn): |
1414 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1415 | 8084f9f6 | Manuel Franceschini |
|
1416 | 8084f9f6 | Manuel Franceschini | """
|
1417 | 779c15bb | Iustin Pop | if self.op.vg_name is not None: |
1418 | 779c15bb | Iustin Pop | if self.op.vg_name != self.cfg.GetVGName(): |
1419 | 779c15bb | Iustin Pop | self.cfg.SetVGName(self.op.vg_name) |
1420 | 779c15bb | Iustin Pop | else:
|
1421 | 779c15bb | Iustin Pop | feedback_fn("Cluster LVM configuration already in desired"
|
1422 | 779c15bb | Iustin Pop | " state, not changing")
|
1423 | 779c15bb | Iustin Pop | if self.op.hvparams: |
1424 | 779c15bb | Iustin Pop | self.cluster.hvparams = self.new_hvparams |
1425 | 779c15bb | Iustin Pop | if self.op.enabled_hypervisors is not None: |
1426 | 779c15bb | Iustin Pop | self.cluster.enabled_hypervisors = self.op.enabled_hypervisors |
1427 | 779c15bb | Iustin Pop | if self.op.beparams: |
1428 | 779c15bb | Iustin Pop | self.cluster.beparams[constants.BEGR_DEFAULT] = self.new_beparams |
1429 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size is not None: |
1430 | 4b7735f9 | Iustin Pop | self.cluster.candidate_pool_size = self.op.candidate_pool_size |
1431 | 4b7735f9 | Iustin Pop | |
1432 | 779c15bb | Iustin Pop | self.cfg.Update(self.cluster) |
1433 | 8084f9f6 | Manuel Franceschini | |
1434 | 4b7735f9 | Iustin Pop | # we want to update nodes after the cluster so that if any errors
|
1435 | 4b7735f9 | Iustin Pop | # happen, we have recorded and saved the cluster info
|
1436 | 4b7735f9 | Iustin Pop | if self.op.candidate_pool_size is not None: |
1437 | ec0292f1 | Iustin Pop | _AdjustCandidatePool(self)
|
1438 | 4b7735f9 | Iustin Pop | |
1439 | 8084f9f6 | Manuel Franceschini | |
1440 | afee0879 | Iustin Pop | class LURedistributeConfig(NoHooksLU): |
1441 | afee0879 | Iustin Pop | """Force the redistribution of cluster configuration.
|
1442 | afee0879 | Iustin Pop |
|
1443 | afee0879 | Iustin Pop | This is a very simple LU.
|
1444 | afee0879 | Iustin Pop |
|
1445 | afee0879 | Iustin Pop | """
|
1446 | afee0879 | Iustin Pop | _OP_REQP = [] |
1447 | afee0879 | Iustin Pop | REQ_BGL = False
|
1448 | afee0879 | Iustin Pop | |
1449 | afee0879 | Iustin Pop | def ExpandNames(self): |
1450 | afee0879 | Iustin Pop | self.needed_locks = {
|
1451 | afee0879 | Iustin Pop | locking.LEVEL_NODE: locking.ALL_SET, |
1452 | afee0879 | Iustin Pop | } |
1453 | afee0879 | Iustin Pop | self.share_locks[locking.LEVEL_NODE] = 1 |
1454 | afee0879 | Iustin Pop | |
1455 | afee0879 | Iustin Pop | def CheckPrereq(self): |
1456 | afee0879 | Iustin Pop | """Check prerequisites.
|
1457 | afee0879 | Iustin Pop |
|
1458 | afee0879 | Iustin Pop | """
|
1459 | afee0879 | Iustin Pop | |
1460 | afee0879 | Iustin Pop | def Exec(self, feedback_fn): |
1461 | afee0879 | Iustin Pop | """Redistribute the configuration.
|
1462 | afee0879 | Iustin Pop |
|
1463 | afee0879 | Iustin Pop | """
|
1464 | afee0879 | Iustin Pop | self.cfg.Update(self.cfg.GetClusterInfo()) |
1465 | afee0879 | Iustin Pop | |
1466 | afee0879 | Iustin Pop | |
1467 | b9bddb6b | Iustin Pop | def _WaitForSync(lu, instance, oneshot=False, unlock=False): |
1468 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1469 | a8083063 | Iustin Pop |
|
1470 | a8083063 | Iustin Pop | """
|
1471 | a8083063 | Iustin Pop | if not instance.disks: |
1472 | a8083063 | Iustin Pop | return True |
1473 | a8083063 | Iustin Pop | |
1474 | a8083063 | Iustin Pop | if not oneshot: |
1475 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
1476 | a8083063 | Iustin Pop | |
1477 | a8083063 | Iustin Pop | node = instance.primary_node |
1478 | a8083063 | Iustin Pop | |
1479 | a8083063 | Iustin Pop | for dev in instance.disks: |
1480 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
1481 | a8083063 | Iustin Pop | |
1482 | a8083063 | Iustin Pop | retries = 0
|
1483 | a8083063 | Iustin Pop | while True: |
1484 | a8083063 | Iustin Pop | max_time = 0
|
1485 | a8083063 | Iustin Pop | done = True
|
1486 | a8083063 | Iustin Pop | cumul_degraded = False
|
1487 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1488 | 781de953 | Iustin Pop | if rstats.failed or not rstats.data: |
1489 | 86d9d3bb | Iustin Pop | lu.LogWarning("Can't get any data from node %s", node)
|
1490 | a8083063 | Iustin Pop | retries += 1
|
1491 | a8083063 | Iustin Pop | if retries >= 10: |
1492 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1493 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1494 | a8083063 | Iustin Pop | time.sleep(6)
|
1495 | a8083063 | Iustin Pop | continue
|
1496 | 781de953 | Iustin Pop | rstats = rstats.data |
1497 | a8083063 | Iustin Pop | retries = 0
|
1498 | a8083063 | Iustin Pop | for i in range(len(rstats)): |
1499 | a8083063 | Iustin Pop | mstat = rstats[i] |
1500 | a8083063 | Iustin Pop | if mstat is None: |
1501 | 86d9d3bb | Iustin Pop | lu.LogWarning("Can't compute data for node %s/%s",
|
1502 | 86d9d3bb | Iustin Pop | node, instance.disks[i].iv_name) |
1503 | a8083063 | Iustin Pop | continue
|
1504 | 0834c866 | Iustin Pop | # we ignore the ldisk parameter
|
1505 | 0834c866 | Iustin Pop | perc_done, est_time, is_degraded, _ = mstat |
1506 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1507 | a8083063 | Iustin Pop | if perc_done is not None: |
1508 | a8083063 | Iustin Pop | done = False
|
1509 | a8083063 | Iustin Pop | if est_time is not None: |
1510 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1511 | a8083063 | Iustin Pop | max_time = est_time |
1512 | a8083063 | Iustin Pop | else:
|
1513 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1514 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
1515 | b9bddb6b | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1516 | a8083063 | Iustin Pop | if done or oneshot: |
1517 | a8083063 | Iustin Pop | break
|
1518 | a8083063 | Iustin Pop | |
1519 | d4fa5c23 | Iustin Pop | time.sleep(min(60, max_time)) |
1520 | a8083063 | Iustin Pop | |
1521 | a8083063 | Iustin Pop | if done:
|
1522 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
1523 | a8083063 | Iustin Pop | return not cumul_degraded |
1524 | a8083063 | Iustin Pop | |
1525 | a8083063 | Iustin Pop | |
1526 | b9bddb6b | Iustin Pop | def _CheckDiskConsistency(lu, dev, node, on_primary, ldisk=False): |
1527 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1528 | a8083063 | Iustin Pop |
|
1529 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
1530 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
1531 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
1532 | 0834c866 | Iustin Pop |
|
1533 | a8083063 | Iustin Pop | """
|
1534 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
1535 | 0834c866 | Iustin Pop | if ldisk:
|
1536 | 0834c866 | Iustin Pop | idx = 6
|
1537 | 0834c866 | Iustin Pop | else:
|
1538 | 0834c866 | Iustin Pop | idx = 5
|
1539 | a8083063 | Iustin Pop | |
1540 | a8083063 | Iustin Pop | result = True
|
1541 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1542 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_find(node, dev) |
1543 | 781de953 | Iustin Pop | if rstats.failed or not rstats.data: |
1544 | 9a4f63d1 | Iustin Pop | logging.warning("Node %s: disk degraded, not found or node down", node)
|
1545 | a8083063 | Iustin Pop | result = False
|
1546 | a8083063 | Iustin Pop | else:
|
1547 | 781de953 | Iustin Pop | result = result and (not rstats.data[idx]) |
1548 | a8083063 | Iustin Pop | if dev.children:
|
1549 | a8083063 | Iustin Pop | for child in dev.children: |
1550 | b9bddb6b | Iustin Pop | result = result and _CheckDiskConsistency(lu, child, node, on_primary)
|
1551 | a8083063 | Iustin Pop | |
1552 | a8083063 | Iustin Pop | return result
|
1553 | a8083063 | Iustin Pop | |
1554 | a8083063 | Iustin Pop | |
1555 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1556 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1557 | a8083063 | Iustin Pop |
|
1558 | a8083063 | Iustin Pop | """
|
1559 | 1f9430d6 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1560 | 6bf01bbb | Guido Trotter | REQ_BGL = False
|
1561 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet() |
1562 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("name", "valid", "node_status") |
1563 | a8083063 | Iustin Pop | |
1564 | 6bf01bbb | Guido Trotter | def ExpandNames(self): |
1565 | 1f9430d6 | Iustin Pop | if self.op.names: |
1566 | 1f9430d6 | Iustin Pop | raise errors.OpPrereqError("Selective OS query not supported") |
1567 | 1f9430d6 | Iustin Pop | |
1568 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1569 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
1570 | 1f9430d6 | Iustin Pop | selected=self.op.output_fields)
|
1571 | 1f9430d6 | Iustin Pop | |
1572 | 6bf01bbb | Guido Trotter | # Lock all nodes, in shared mode
|
1573 | 6bf01bbb | Guido Trotter | self.needed_locks = {}
|
1574 | 6bf01bbb | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1575 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
1576 | 6bf01bbb | Guido Trotter | |
1577 | 6bf01bbb | Guido Trotter | def CheckPrereq(self): |
1578 | 6bf01bbb | Guido Trotter | """Check prerequisites.
|
1579 | 6bf01bbb | Guido Trotter |
|
1580 | 6bf01bbb | Guido Trotter | """
|
1581 | 6bf01bbb | Guido Trotter | |
1582 | 1f9430d6 | Iustin Pop | @staticmethod
|
1583 | 1f9430d6 | Iustin Pop | def _DiagnoseByOS(node_list, rlist): |
1584 | 1f9430d6 | Iustin Pop | """Remaps a per-node return list into an a per-os per-node dictionary
|
1585 | 1f9430d6 | Iustin Pop |
|
1586 | e4376078 | Iustin Pop | @param node_list: a list with the names of all nodes
|
1587 | e4376078 | Iustin Pop | @param rlist: a map with node names as keys and OS objects as values
|
1588 | 1f9430d6 | Iustin Pop |
|
1589 | e4376078 | Iustin Pop | @rtype: dict
|
1590 | e4376078 | Iustin Pop | @returns: a dictionary with osnames as keys and as value another map, with
|
1591 | e4376078 | Iustin Pop | nodes as keys and list of OS objects as values, eg::
|
1592 | e4376078 | Iustin Pop |
|
1593 | e4376078 | Iustin Pop | {"debian-etch": {"node1": [<object>,...],
|
1594 | e4376078 | Iustin Pop | "node2": [<object>,]}
|
1595 | e4376078 | Iustin Pop | }
|
1596 | 1f9430d6 | Iustin Pop |
|
1597 | 1f9430d6 | Iustin Pop | """
|
1598 | 1f9430d6 | Iustin Pop | all_os = {} |
1599 | 1f9430d6 | Iustin Pop | for node_name, nr in rlist.iteritems(): |
1600 | 781de953 | Iustin Pop | if nr.failed or not nr.data: |
1601 | 1f9430d6 | Iustin Pop | continue
|
1602 | 781de953 | Iustin Pop | for os_obj in nr.data: |
1603 | b4de68a9 | Iustin Pop | if os_obj.name not in all_os: |
1604 | 1f9430d6 | Iustin Pop | # build a list of nodes for this os containing empty lists
|
1605 | 1f9430d6 | Iustin Pop | # for each node in node_list
|
1606 | b4de68a9 | Iustin Pop | all_os[os_obj.name] = {} |
1607 | 1f9430d6 | Iustin Pop | for nname in node_list: |
1608 | b4de68a9 | Iustin Pop | all_os[os_obj.name][nname] = [] |
1609 | b4de68a9 | Iustin Pop | all_os[os_obj.name][node_name].append(os_obj) |
1610 | 1f9430d6 | Iustin Pop | return all_os
|
1611 | a8083063 | Iustin Pop | |
1612 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1613 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1614 | a8083063 | Iustin Pop |
|
1615 | a8083063 | Iustin Pop | """
|
1616 | 6bf01bbb | Guido Trotter | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1617 | 94a02bb5 | Iustin Pop | valid_nodes = [node for node in self.cfg.GetOnlineNodeList() |
1618 | 94a02bb5 | Iustin Pop | if node in node_list] |
1619 | 94a02bb5 | Iustin Pop | node_data = self.rpc.call_os_diagnose(valid_nodes)
|
1620 | a8083063 | Iustin Pop | if node_data == False: |
1621 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't gather the list of OSes") |
1622 | 94a02bb5 | Iustin Pop | pol = self._DiagnoseByOS(valid_nodes, node_data)
|
1623 | 1f9430d6 | Iustin Pop | output = [] |
1624 | 1f9430d6 | Iustin Pop | for os_name, os_data in pol.iteritems(): |
1625 | 1f9430d6 | Iustin Pop | row = [] |
1626 | 1f9430d6 | Iustin Pop | for field in self.op.output_fields: |
1627 | 1f9430d6 | Iustin Pop | if field == "name": |
1628 | 1f9430d6 | Iustin Pop | val = os_name |
1629 | 1f9430d6 | Iustin Pop | elif field == "valid": |
1630 | 1f9430d6 | Iustin Pop | val = utils.all([osl and osl[0] for osl in os_data.values()]) |
1631 | 1f9430d6 | Iustin Pop | elif field == "node_status": |
1632 | 1f9430d6 | Iustin Pop | val = {} |
1633 | 1f9430d6 | Iustin Pop | for node_name, nos_list in os_data.iteritems(): |
1634 | 1f9430d6 | Iustin Pop | val[node_name] = [(v.status, v.path) for v in nos_list] |
1635 | 1f9430d6 | Iustin Pop | else:
|
1636 | 1f9430d6 | Iustin Pop | raise errors.ParameterError(field)
|
1637 | 1f9430d6 | Iustin Pop | row.append(val) |
1638 | 1f9430d6 | Iustin Pop | output.append(row) |
1639 | 1f9430d6 | Iustin Pop | |
1640 | 1f9430d6 | Iustin Pop | return output
|
1641 | a8083063 | Iustin Pop | |
1642 | a8083063 | Iustin Pop | |
1643 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1644 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1645 | a8083063 | Iustin Pop |
|
1646 | a8083063 | Iustin Pop | """
|
1647 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1648 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1649 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1650 | a8083063 | Iustin Pop | |
1651 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1652 | a8083063 | Iustin Pop | """Build hooks env.
|
1653 | a8083063 | Iustin Pop |
|
1654 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1655 | d08869ee | Guido Trotter | node would then be impossible to remove.
|
1656 | a8083063 | Iustin Pop |
|
1657 | a8083063 | Iustin Pop | """
|
1658 | 396e1b78 | Michael Hanselmann | env = { |
1659 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1660 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1661 | 396e1b78 | Michael Hanselmann | } |
1662 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1663 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1664 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1665 | a8083063 | Iustin Pop | |
1666 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1667 | a8083063 | Iustin Pop | """Check prerequisites.
|
1668 | a8083063 | Iustin Pop |
|
1669 | a8083063 | Iustin Pop | This checks:
|
1670 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1671 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1672 | a8083063 | Iustin Pop | - it's not the master
|
1673 | a8083063 | Iustin Pop |
|
1674 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1675 | a8083063 | Iustin Pop |
|
1676 | a8083063 | Iustin Pop | """
|
1677 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1678 | a8083063 | Iustin Pop | if node is None: |
1679 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1680 | a8083063 | Iustin Pop | |
1681 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1682 | a8083063 | Iustin Pop | |
1683 | d6a02168 | Michael Hanselmann | masternode = self.cfg.GetMasterNode()
|
1684 | a8083063 | Iustin Pop | if node.name == masternode:
|
1685 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
1686 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
1687 | a8083063 | Iustin Pop | |
1688 | a8083063 | Iustin Pop | for instance_name in instance_list: |
1689 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
1690 | a8083063 | Iustin Pop | if node.name == instance.primary_node:
|
1691 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s still running on the node," |
1692 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1693 | a8083063 | Iustin Pop | if node.name in instance.secondary_nodes: |
1694 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s has node as a secondary," |
1695 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1696 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
1697 | a8083063 | Iustin Pop | self.node = node
|
1698 | a8083063 | Iustin Pop | |
1699 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1700 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
1701 | a8083063 | Iustin Pop |
|
1702 | a8083063 | Iustin Pop | """
|
1703 | a8083063 | Iustin Pop | node = self.node
|
1704 | 9a4f63d1 | Iustin Pop | logging.info("Stopping the node daemon and removing configs from node %s",
|
1705 | 9a4f63d1 | Iustin Pop | node.name) |
1706 | a8083063 | Iustin Pop | |
1707 | d8470559 | Michael Hanselmann | self.context.RemoveNode(node.name)
|
1708 | a8083063 | Iustin Pop | |
1709 | 72737a7f | Iustin Pop | self.rpc.call_node_leave_cluster(node.name)
|
1710 | c8a0948f | Michael Hanselmann | |
1711 | eb1742d5 | Guido Trotter | # Promote nodes to master candidate as needed
|
1712 | ec0292f1 | Iustin Pop | _AdjustCandidatePool(self)
|
1713 | eb1742d5 | Guido Trotter | |
1714 | a8083063 | Iustin Pop | |
1715 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
1716 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
1717 | a8083063 | Iustin Pop |
|
1718 | a8083063 | Iustin Pop | """
|
1719 | 246e180a | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1720 | 35705d8f | Guido Trotter | REQ_BGL = False
|
1721 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet( |
1722 | 31bf511f | Iustin Pop | "dtotal", "dfree", |
1723 | 31bf511f | Iustin Pop | "mtotal", "mnode", "mfree", |
1724 | 31bf511f | Iustin Pop | "bootid",
|
1725 | 31bf511f | Iustin Pop | "ctotal",
|
1726 | 31bf511f | Iustin Pop | ) |
1727 | 31bf511f | Iustin Pop | |
1728 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet( |
1729 | 31bf511f | Iustin Pop | "name", "pinst_cnt", "sinst_cnt", |
1730 | 31bf511f | Iustin Pop | "pinst_list", "sinst_list", |
1731 | 31bf511f | Iustin Pop | "pip", "sip", "tags", |
1732 | 31bf511f | Iustin Pop | "serial_no",
|
1733 | 0e67cdbe | Iustin Pop | "master_candidate",
|
1734 | 0e67cdbe | Iustin Pop | "master",
|
1735 | 9ddb5e45 | Iustin Pop | "offline",
|
1736 | 31bf511f | Iustin Pop | ) |
1737 | a8083063 | Iustin Pop | |
1738 | 35705d8f | Guido Trotter | def ExpandNames(self): |
1739 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1740 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
1741 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1742 | a8083063 | Iustin Pop | |
1743 | 35705d8f | Guido Trotter | self.needed_locks = {}
|
1744 | 35705d8f | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1745 | c8d8b4c8 | Iustin Pop | |
1746 | c8d8b4c8 | Iustin Pop | if self.op.names: |
1747 | c8d8b4c8 | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
1748 | 35705d8f | Guido Trotter | else:
|
1749 | c8d8b4c8 | Iustin Pop | self.wanted = locking.ALL_SET
|
1750 | c8d8b4c8 | Iustin Pop | |
1751 | 31bf511f | Iustin Pop | self.do_locking = self._FIELDS_STATIC.NonMatching(self.op.output_fields) |
1752 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
1753 | c8d8b4c8 | Iustin Pop | # if we don't request only static fields, we need to lock the nodes
|
1754 | c8d8b4c8 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = self.wanted |
1755 | c8d8b4c8 | Iustin Pop | |
1756 | 35705d8f | Guido Trotter | |
1757 | 35705d8f | Guido Trotter | def CheckPrereq(self): |
1758 | 35705d8f | Guido Trotter | """Check prerequisites.
|
1759 | 35705d8f | Guido Trotter |
|
1760 | 35705d8f | Guido Trotter | """
|
1761 | c8d8b4c8 | Iustin Pop | # The validation of the node list is done in the _GetWantedNodes,
|
1762 | c8d8b4c8 | Iustin Pop | # if non empty, and if empty, there's no validation to do
|
1763 | c8d8b4c8 | Iustin Pop | pass
|
1764 | a8083063 | Iustin Pop | |
1765 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1766 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
1767 | a8083063 | Iustin Pop |
|
1768 | a8083063 | Iustin Pop | """
|
1769 | c8d8b4c8 | Iustin Pop | all_info = self.cfg.GetAllNodesInfo()
|
1770 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
1771 | c8d8b4c8 | Iustin Pop | nodenames = self.acquired_locks[locking.LEVEL_NODE]
|
1772 | 3fa93523 | Guido Trotter | elif self.wanted != locking.ALL_SET: |
1773 | 3fa93523 | Guido Trotter | nodenames = self.wanted
|
1774 | 3fa93523 | Guido Trotter | missing = set(nodenames).difference(all_info.keys())
|
1775 | 3fa93523 | Guido Trotter | if missing:
|
1776 | 7b3a8fb5 | Iustin Pop | raise errors.OpExecError(
|
1777 | 3fa93523 | Guido Trotter | "Some nodes were removed before retrieving their data: %s" % missing)
|
1778 | c8d8b4c8 | Iustin Pop | else:
|
1779 | c8d8b4c8 | Iustin Pop | nodenames = all_info.keys() |
1780 | c1f1cbb2 | Iustin Pop | |
1781 | c1f1cbb2 | Iustin Pop | nodenames = utils.NiceSort(nodenames) |
1782 | c8d8b4c8 | Iustin Pop | nodelist = [all_info[name] for name in nodenames] |
1783 | a8083063 | Iustin Pop | |
1784 | a8083063 | Iustin Pop | # begin data gathering
|
1785 | a8083063 | Iustin Pop | |
1786 | 31bf511f | Iustin Pop | if self.do_locking: |
1787 | a8083063 | Iustin Pop | live_data = {} |
1788 | 72737a7f | Iustin Pop | node_data = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
1789 | 72737a7f | Iustin Pop | self.cfg.GetHypervisorType())
|
1790 | a8083063 | Iustin Pop | for name in nodenames: |
1791 | 781de953 | Iustin Pop | nodeinfo = node_data[name] |
1792 | 781de953 | Iustin Pop | if not nodeinfo.failed and nodeinfo.data: |
1793 | 781de953 | Iustin Pop | nodeinfo = nodeinfo.data |
1794 | d599d686 | Iustin Pop | fn = utils.TryConvert |
1795 | a8083063 | Iustin Pop | live_data[name] = { |
1796 | d599d686 | Iustin Pop | "mtotal": fn(int, nodeinfo.get('memory_total', None)), |
1797 | d599d686 | Iustin Pop | "mnode": fn(int, nodeinfo.get('memory_dom0', None)), |
1798 | d599d686 | Iustin Pop | "mfree": fn(int, nodeinfo.get('memory_free', None)), |
1799 | d599d686 | Iustin Pop | "dtotal": fn(int, nodeinfo.get('vg_size', None)), |
1800 | d599d686 | Iustin Pop | "dfree": fn(int, nodeinfo.get('vg_free', None)), |
1801 | d599d686 | Iustin Pop | "ctotal": fn(int, nodeinfo.get('cpu_total', None)), |
1802 | d599d686 | Iustin Pop | "bootid": nodeinfo.get('bootid', None), |
1803 | a8083063 | Iustin Pop | } |
1804 | a8083063 | Iustin Pop | else:
|
1805 | a8083063 | Iustin Pop | live_data[name] = {} |
1806 | a8083063 | Iustin Pop | else:
|
1807 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
1808 | a8083063 | Iustin Pop | |
1809 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
1810 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1811 | a8083063 | Iustin Pop | |
1812 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
1813 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
1814 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
1815 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
1816 | a8083063 | Iustin Pop | |
1817 | ec223efb | Iustin Pop | for instance_name in instancelist: |
1818 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
1819 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
1820 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
1821 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
1822 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
1823 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
1824 | a8083063 | Iustin Pop | |
1825 | 0e67cdbe | Iustin Pop | master_node = self.cfg.GetMasterNode()
|
1826 | 0e67cdbe | Iustin Pop | |
1827 | a8083063 | Iustin Pop | # end data gathering
|
1828 | a8083063 | Iustin Pop | |
1829 | a8083063 | Iustin Pop | output = [] |
1830 | a8083063 | Iustin Pop | for node in nodelist: |
1831 | a8083063 | Iustin Pop | node_output = [] |
1832 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
1833 | a8083063 | Iustin Pop | if field == "name": |
1834 | a8083063 | Iustin Pop | val = node.name |
1835 | ec223efb | Iustin Pop | elif field == "pinst_list": |
1836 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
1837 | ec223efb | Iustin Pop | elif field == "sinst_list": |
1838 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
1839 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
1840 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
1841 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
1842 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
1843 | a8083063 | Iustin Pop | elif field == "pip": |
1844 | a8083063 | Iustin Pop | val = node.primary_ip |
1845 | a8083063 | Iustin Pop | elif field == "sip": |
1846 | a8083063 | Iustin Pop | val = node.secondary_ip |
1847 | 130a6a6f | Iustin Pop | elif field == "tags": |
1848 | 130a6a6f | Iustin Pop | val = list(node.GetTags())
|
1849 | 38d7239a | Iustin Pop | elif field == "serial_no": |
1850 | 38d7239a | Iustin Pop | val = node.serial_no |
1851 | 0e67cdbe | Iustin Pop | elif field == "master_candidate": |
1852 | 0e67cdbe | Iustin Pop | val = node.master_candidate |
1853 | 0e67cdbe | Iustin Pop | elif field == "master": |
1854 | 0e67cdbe | Iustin Pop | val = node.name == master_node |
1855 | 9ddb5e45 | Iustin Pop | elif field == "offline": |
1856 | 9ddb5e45 | Iustin Pop | val = node.offline |
1857 | 31bf511f | Iustin Pop | elif self._FIELDS_DYNAMIC.Matches(field): |
1858 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
1859 | a8083063 | Iustin Pop | else:
|
1860 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1861 | a8083063 | Iustin Pop | node_output.append(val) |
1862 | a8083063 | Iustin Pop | output.append(node_output) |
1863 | a8083063 | Iustin Pop | |
1864 | a8083063 | Iustin Pop | return output
|
1865 | a8083063 | Iustin Pop | |
1866 | a8083063 | Iustin Pop | |
1867 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
1868 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
1869 | dcb93971 | Michael Hanselmann |
|
1870 | dcb93971 | Michael Hanselmann | """
|
1871 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
1872 | 21a15682 | Guido Trotter | REQ_BGL = False
|
1873 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("phys", "vg", "name", "size", "instance") |
1874 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet("node")
|
1875 | 21a15682 | Guido Trotter | |
1876 | 21a15682 | Guido Trotter | def ExpandNames(self): |
1877 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1878 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
1879 | 21a15682 | Guido Trotter | selected=self.op.output_fields)
|
1880 | 21a15682 | Guido Trotter | |
1881 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
1882 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1883 | 21a15682 | Guido Trotter | if not self.op.nodes: |
1884 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
1885 | 21a15682 | Guido Trotter | else:
|
1886 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
1887 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
1888 | dcb93971 | Michael Hanselmann | |
1889 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
1890 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
1891 | dcb93971 | Michael Hanselmann |
|
1892 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
1893 | dcb93971 | Michael Hanselmann |
|
1894 | dcb93971 | Michael Hanselmann | """
|
1895 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
1896 | dcb93971 | Michael Hanselmann | |
1897 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
1898 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
1899 | dcb93971 | Michael Hanselmann |
|
1900 | dcb93971 | Michael Hanselmann | """
|
1901 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
1902 | 72737a7f | Iustin Pop | volumes = self.rpc.call_node_volumes(nodenames)
|
1903 | dcb93971 | Michael Hanselmann | |
1904 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
1905 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
1906 | dcb93971 | Michael Hanselmann | |
1907 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
1908 | dcb93971 | Michael Hanselmann | |
1909 | dcb93971 | Michael Hanselmann | output = [] |
1910 | dcb93971 | Michael Hanselmann | for node in nodenames: |
1911 | 781de953 | Iustin Pop | if node not in volumes or volumes[node].failed or not volumes[node].data: |
1912 | 37d19eb2 | Michael Hanselmann | continue
|
1913 | 37d19eb2 | Michael Hanselmann | |
1914 | 781de953 | Iustin Pop | node_vols = volumes[node].data[:] |
1915 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
1916 | dcb93971 | Michael Hanselmann | |
1917 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
1918 | dcb93971 | Michael Hanselmann | node_output = [] |
1919 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
1920 | dcb93971 | Michael Hanselmann | if field == "node": |
1921 | dcb93971 | Michael Hanselmann | val = node |
1922 | dcb93971 | Michael Hanselmann | elif field == "phys": |
1923 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
1924 | dcb93971 | Michael Hanselmann | elif field == "vg": |
1925 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
1926 | dcb93971 | Michael Hanselmann | elif field == "name": |
1927 | dcb93971 | Michael Hanselmann | val = vol['name']
|
1928 | dcb93971 | Michael Hanselmann | elif field == "size": |
1929 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
1930 | dcb93971 | Michael Hanselmann | elif field == "instance": |
1931 | dcb93971 | Michael Hanselmann | for inst in ilist: |
1932 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
1933 | dcb93971 | Michael Hanselmann | continue
|
1934 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
1935 | dcb93971 | Michael Hanselmann | val = inst.name |
1936 | dcb93971 | Michael Hanselmann | break
|
1937 | dcb93971 | Michael Hanselmann | else:
|
1938 | dcb93971 | Michael Hanselmann | val = '-'
|
1939 | dcb93971 | Michael Hanselmann | else:
|
1940 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1941 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
1942 | dcb93971 | Michael Hanselmann | |
1943 | dcb93971 | Michael Hanselmann | output.append(node_output) |
1944 | dcb93971 | Michael Hanselmann | |
1945 | dcb93971 | Michael Hanselmann | return output
|
1946 | dcb93971 | Michael Hanselmann | |
1947 | dcb93971 | Michael Hanselmann | |
1948 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
1949 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
1950 | a8083063 | Iustin Pop |
|
1951 | a8083063 | Iustin Pop | """
|
1952 | a8083063 | Iustin Pop | HPATH = "node-add"
|
1953 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1954 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1955 | a8083063 | Iustin Pop | |
1956 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1957 | a8083063 | Iustin Pop | """Build hooks env.
|
1958 | a8083063 | Iustin Pop |
|
1959 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
1960 | a8083063 | Iustin Pop |
|
1961 | a8083063 | Iustin Pop | """
|
1962 | a8083063 | Iustin Pop | env = { |
1963 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1964 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
1965 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
1966 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
1967 | a8083063 | Iustin Pop | } |
1968 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
1969 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
1970 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
1971 | a8083063 | Iustin Pop | |
1972 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1973 | a8083063 | Iustin Pop | """Check prerequisites.
|
1974 | a8083063 | Iustin Pop |
|
1975 | a8083063 | Iustin Pop | This checks:
|
1976 | a8083063 | Iustin Pop | - the new node is not already in the config
|
1977 | a8083063 | Iustin Pop | - it is resolvable
|
1978 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
1979 | a8083063 | Iustin Pop |
|
1980 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1981 | a8083063 | Iustin Pop |
|
1982 | a8083063 | Iustin Pop | """
|
1983 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
1984 | a8083063 | Iustin Pop | cfg = self.cfg
|
1985 | a8083063 | Iustin Pop | |
1986 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
1987 | a8083063 | Iustin Pop | |
1988 | bcf043c9 | Iustin Pop | node = dns_data.name |
1989 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
1990 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
1991 | a8083063 | Iustin Pop | if secondary_ip is None: |
1992 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
1993 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
1994 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
1995 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
1996 | e7c6e02b | Michael Hanselmann | |
1997 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
1998 | e7c6e02b | Michael Hanselmann | if not self.op.readd and node in node_list: |
1999 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is already in the configuration" % |
2000 | e7c6e02b | Michael Hanselmann | node) |
2001 | e7c6e02b | Michael Hanselmann | elif self.op.readd and node not in node_list: |
2002 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is not in the configuration" % node) |
2003 | a8083063 | Iustin Pop | |
2004 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
2005 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
2006 | e7c6e02b | Michael Hanselmann | |
2007 | e7c6e02b | Michael Hanselmann | if self.op.readd and node == existing_node_name: |
2008 | e7c6e02b | Michael Hanselmann | if (existing_node.primary_ip != primary_ip or |
2009 | e7c6e02b | Michael Hanselmann | existing_node.secondary_ip != secondary_ip): |
2010 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Readded node doesn't have the same IP" |
2011 | e7c6e02b | Michael Hanselmann | " address configuration as before")
|
2012 | e7c6e02b | Michael Hanselmann | continue
|
2013 | e7c6e02b | Michael Hanselmann | |
2014 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
2015 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
2016 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
2017 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
2018 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
2019 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
2020 | a8083063 | Iustin Pop | |
2021 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
2022 | a8083063 | Iustin Pop | # same as for the master
|
2023 | d6a02168 | Michael Hanselmann | myself = cfg.GetNodeInfo(self.cfg.GetMasterNode())
|
2024 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
2025 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
2026 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
2027 | a8083063 | Iustin Pop | if master_singlehomed:
|
2028 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
2029 | 3ecf6786 | Iustin Pop | " new node has one")
|
2030 | a8083063 | Iustin Pop | else:
|
2031 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
2032 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
2033 | a8083063 | Iustin Pop | |
2034 | a8083063 | Iustin Pop | # checks reachablity
|
2035 | b15d625f | Iustin Pop | if not utils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
2036 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
2037 | a8083063 | Iustin Pop | |
2038 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
2039 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
2040 | b15d625f | Iustin Pop | if not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
2041 | b15d625f | Iustin Pop | source=myself.secondary_ip): |
2042 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
2043 | f4bc1f2c | Michael Hanselmann | " based ping to noded port")
|
2044 | a8083063 | Iustin Pop | |
2045 | 0fff97e9 | Guido Trotter | cp_size = self.cfg.GetClusterInfo().candidate_pool_size
|
2046 | ec0292f1 | Iustin Pop | mc_now, _ = self.cfg.GetMasterCandidateStats()
|
2047 | ec0292f1 | Iustin Pop | master_candidate = mc_now < cp_size |
2048 | 0fff97e9 | Guido Trotter | |
2049 | a8083063 | Iustin Pop | self.new_node = objects.Node(name=node,
|
2050 | a8083063 | Iustin Pop | primary_ip=primary_ip, |
2051 | 0fff97e9 | Guido Trotter | secondary_ip=secondary_ip, |
2052 | fc0fe88c | Iustin Pop | master_candidate=master_candidate, |
2053 | fc0fe88c | Iustin Pop | offline=False)
|
2054 | a8083063 | Iustin Pop | |
2055 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2056 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
2057 | a8083063 | Iustin Pop |
|
2058 | a8083063 | Iustin Pop | """
|
2059 | a8083063 | Iustin Pop | new_node = self.new_node
|
2060 | a8083063 | Iustin Pop | node = new_node.name |
2061 | a8083063 | Iustin Pop | |
2062 | a8083063 | Iustin Pop | # check connectivity
|
2063 | 72737a7f | Iustin Pop | result = self.rpc.call_version([node])[node]
|
2064 | 781de953 | Iustin Pop | result.Raise() |
2065 | 781de953 | Iustin Pop | if result.data:
|
2066 | 781de953 | Iustin Pop | if constants.PROTOCOL_VERSION == result.data:
|
2067 | 9a4f63d1 | Iustin Pop | logging.info("Communication to node %s fine, sw version %s match",
|
2068 | 781de953 | Iustin Pop | node, result.data) |
2069 | a8083063 | Iustin Pop | else:
|
2070 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
2071 | 3ecf6786 | Iustin Pop | " node version %s" %
|
2072 | 781de953 | Iustin Pop | (constants.PROTOCOL_VERSION, result.data)) |
2073 | a8083063 | Iustin Pop | else:
|
2074 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot get version from the new node") |
2075 | a8083063 | Iustin Pop | |
2076 | a8083063 | Iustin Pop | # setup ssh on node
|
2077 | 9a4f63d1 | Iustin Pop | logging.info("Copy ssh key to node %s", node)
|
2078 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
2079 | a8083063 | Iustin Pop | keyarray = [] |
2080 | 70d9e3d8 | Iustin Pop | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
2081 | 70d9e3d8 | Iustin Pop | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
2082 | 70d9e3d8 | Iustin Pop | priv_key, pub_key] |
2083 | a8083063 | Iustin Pop | |
2084 | a8083063 | Iustin Pop | for i in keyfiles: |
2085 | a8083063 | Iustin Pop | f = open(i, 'r') |
2086 | a8083063 | Iustin Pop | try:
|
2087 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
2088 | a8083063 | Iustin Pop | finally:
|
2089 | a8083063 | Iustin Pop | f.close() |
2090 | a8083063 | Iustin Pop | |
2091 | 72737a7f | Iustin Pop | result = self.rpc.call_node_add(node, keyarray[0], keyarray[1], |
2092 | 72737a7f | Iustin Pop | keyarray[2],
|
2093 | 72737a7f | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
2094 | a8083063 | Iustin Pop | |
2095 | 781de953 | Iustin Pop | if result.failed or not result.data: |
2096 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot transfer ssh keys to the new node") |
2097 | a8083063 | Iustin Pop | |
2098 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
2099 | d9c02ca6 | Michael Hanselmann | utils.AddHostToEtcHosts(new_node.name) |
2100 | c8a0948f | Michael Hanselmann | |
2101 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
2102 | 781de953 | Iustin Pop | result = self.rpc.call_node_has_ip_address(new_node.name,
|
2103 | 781de953 | Iustin Pop | new_node.secondary_ip) |
2104 | 781de953 | Iustin Pop | if result.failed or not result.data: |
2105 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
2106 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
2107 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
2108 | a8083063 | Iustin Pop | |
2109 | d6a02168 | Michael Hanselmann | node_verify_list = [self.cfg.GetMasterNode()]
|
2110 | 5c0527ed | Guido Trotter | node_verify_param = { |
2111 | 5c0527ed | Guido Trotter | 'nodelist': [node],
|
2112 | 5c0527ed | Guido Trotter | # TODO: do a node-net-test as well?
|
2113 | 5c0527ed | Guido Trotter | } |
2114 | 5c0527ed | Guido Trotter | |
2115 | 72737a7f | Iustin Pop | result = self.rpc.call_node_verify(node_verify_list, node_verify_param,
|
2116 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
2117 | 5c0527ed | Guido Trotter | for verifier in node_verify_list: |
2118 | f08ce603 | Guido Trotter | if result[verifier].failed or not result[verifier].data: |
2119 | 5c0527ed | Guido Trotter | raise errors.OpExecError("Cannot communicate with %s's node daemon" |
2120 | 5c0527ed | Guido Trotter | " for remote verification" % verifier)
|
2121 | 781de953 | Iustin Pop | if result[verifier].data['nodelist']: |
2122 | 781de953 | Iustin Pop | for failed in result[verifier].data['nodelist']: |
2123 | 5c0527ed | Guido Trotter | feedback_fn("ssh/hostname verification failed %s -> %s" %
|
2124 | 5c0527ed | Guido Trotter | (verifier, result[verifier]['nodelist'][failed]))
|
2125 | 5c0527ed | Guido Trotter | raise errors.OpExecError("ssh/hostname verification failed.") |
2126 | ff98055b | Iustin Pop | |
2127 | a8083063 | Iustin Pop | # Distribute updated /etc/hosts and known_hosts to all nodes,
|
2128 | a8083063 | Iustin Pop | # including the node just added
|
2129 | d6a02168 | Michael Hanselmann | myself = self.cfg.GetNodeInfo(self.cfg.GetMasterNode()) |
2130 | 102b115b | Michael Hanselmann | dist_nodes = self.cfg.GetNodeList()
|
2131 | 102b115b | Michael Hanselmann | if not self.op.readd: |
2132 | 102b115b | Michael Hanselmann | dist_nodes.append(node) |
2133 | a8083063 | Iustin Pop | if myself.name in dist_nodes: |
2134 | a8083063 | Iustin Pop | dist_nodes.remove(myself.name) |
2135 | a8083063 | Iustin Pop | |
2136 | 9a4f63d1 | Iustin Pop | logging.debug("Copying hosts and known_hosts to all nodes")
|
2137 | 107711b0 | Michael Hanselmann | for fname in (constants.ETC_HOSTS, constants.SSH_KNOWN_HOSTS_FILE): |
2138 | 72737a7f | Iustin Pop | result = self.rpc.call_upload_file(dist_nodes, fname)
|
2139 | ec85e3d5 | Iustin Pop | for to_node, to_result in result.iteritems(): |
2140 | ec85e3d5 | Iustin Pop | if to_result.failed or not to_result.data: |
2141 | 9a4f63d1 | Iustin Pop | logging.error("Copy of file %s to node %s failed", fname, to_node)
|
2142 | a8083063 | Iustin Pop | |
2143 | d6a02168 | Michael Hanselmann | to_copy = [] |
2144 | 00cd937c | Iustin Pop | if constants.HT_XEN_HVM in self.cfg.GetClusterInfo().enabled_hypervisors: |
2145 | 2a6469d5 | Alexander Schreiber | to_copy.append(constants.VNC_PASSWORD_FILE) |
2146 | a8083063 | Iustin Pop | for fname in to_copy: |
2147 | 72737a7f | Iustin Pop | result = self.rpc.call_upload_file([node], fname)
|
2148 | 781de953 | Iustin Pop | if result[node].failed or not result[node]: |
2149 | 9a4f63d1 | Iustin Pop | logging.error("Could not copy file %s to node %s", fname, node)
|
2150 | a8083063 | Iustin Pop | |
2151 | d8470559 | Michael Hanselmann | if self.op.readd: |
2152 | d8470559 | Michael Hanselmann | self.context.ReaddNode(new_node)
|
2153 | d8470559 | Michael Hanselmann | else:
|
2154 | d8470559 | Michael Hanselmann | self.context.AddNode(new_node)
|
2155 | a8083063 | Iustin Pop | |
2156 | a8083063 | Iustin Pop | |
2157 | b31c8676 | Iustin Pop | class LUSetNodeParams(LogicalUnit): |
2158 | b31c8676 | Iustin Pop | """Modifies the parameters of a node.
|
2159 | b31c8676 | Iustin Pop |
|
2160 | b31c8676 | Iustin Pop | """
|
2161 | b31c8676 | Iustin Pop | HPATH = "node-modify"
|
2162 | b31c8676 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
2163 | b31c8676 | Iustin Pop | _OP_REQP = ["node_name"]
|
2164 | b31c8676 | Iustin Pop | REQ_BGL = False
|
2165 | b31c8676 | Iustin Pop | |
2166 | b31c8676 | Iustin Pop | def CheckArguments(self): |
2167 | b31c8676 | Iustin Pop | node_name = self.cfg.ExpandNodeName(self.op.node_name) |
2168 | b31c8676 | Iustin Pop | if node_name is None: |
2169 | b31c8676 | Iustin Pop | raise errors.OpPrereqError("Invalid node name '%s'" % self.op.node_name) |
2170 | b31c8676 | Iustin Pop | self.op.node_name = node_name
|
2171 | 3a5ba66a | Iustin Pop | _CheckBooleanOpField(self.op, 'master_candidate') |
2172 | 3a5ba66a | Iustin Pop | _CheckBooleanOpField(self.op, 'offline') |
2173 | 3a5ba66a | Iustin Pop | if self.op.master_candidate is None and self.op.offline is None: |
2174 | b31c8676 | Iustin Pop | raise errors.OpPrereqError("Please pass at least one modification") |
2175 | 3a5ba66a | Iustin Pop | if self.op.offline == True and self.op.master_candidate == True: |
2176 | 3a5ba66a | Iustin Pop | raise errors.OpPrereqError("Can't set the node into offline and" |
2177 | 3a5ba66a | Iustin Pop | " master_candidate at the same time")
|
2178 | b31c8676 | Iustin Pop | |
2179 | b31c8676 | Iustin Pop | def ExpandNames(self): |
2180 | b31c8676 | Iustin Pop | self.needed_locks = {locking.LEVEL_NODE: self.op.node_name} |
2181 | b31c8676 | Iustin Pop | |
2182 | b31c8676 | Iustin Pop | def BuildHooksEnv(self): |
2183 | b31c8676 | Iustin Pop | """Build hooks env.
|
2184 | b31c8676 | Iustin Pop |
|
2185 | b31c8676 | Iustin Pop | This runs on the master node.
|
2186 | b31c8676 | Iustin Pop |
|
2187 | b31c8676 | Iustin Pop | """
|
2188 | b31c8676 | Iustin Pop | env = { |
2189 | b31c8676 | Iustin Pop | "OP_TARGET": self.op.node_name, |
2190 | b31c8676 | Iustin Pop | "MASTER_CANDIDATE": str(self.op.master_candidate), |
2191 | 3a5ba66a | Iustin Pop | "OFFLINE": str(self.op.offline), |
2192 | b31c8676 | Iustin Pop | } |
2193 | b31c8676 | Iustin Pop | nl = [self.cfg.GetMasterNode(),
|
2194 | b31c8676 | Iustin Pop | self.op.node_name]
|
2195 | b31c8676 | Iustin Pop | return env, nl, nl
|
2196 | b31c8676 | Iustin Pop | |
2197 | b31c8676 | Iustin Pop | def CheckPrereq(self): |
2198 | b31c8676 | Iustin Pop | """Check prerequisites.
|
2199 | b31c8676 | Iustin Pop |
|
2200 | b31c8676 | Iustin Pop | This only checks the instance list against the existing names.
|
2201 | b31c8676 | Iustin Pop |
|
2202 | b31c8676 | Iustin Pop | """
|
2203 | 3a5ba66a | Iustin Pop | node = self.node = self.cfg.GetNodeInfo(self.op.node_name) |
2204 | b31c8676 | Iustin Pop | |
2205 | 3a5ba66a | Iustin Pop | if ((self.op.master_candidate == False or self.op.offline == True) |
2206 | 3a5ba66a | Iustin Pop | and node.master_candidate):
|
2207 | 3a5ba66a | Iustin Pop | # we will demote the node from master_candidate
|
2208 | 3a26773f | Iustin Pop | if self.op.node_name == self.cfg.GetMasterNode(): |
2209 | 3a26773f | Iustin Pop | raise errors.OpPrereqError("The master node has to be a" |
2210 | 3a5ba66a | Iustin Pop | " master candidate and online")
|
2211 | 3e83dd48 | Iustin Pop | cp_size = self.cfg.GetClusterInfo().candidate_pool_size
|
2212 | 3a5ba66a | Iustin Pop | num_candidates, _ = self.cfg.GetMasterCandidateStats()
|
2213 | 3e83dd48 | Iustin Pop | if num_candidates <= cp_size:
|
2214 | 3e83dd48 | Iustin Pop | msg = ("Not enough master candidates (desired"
|
2215 | 3e83dd48 | Iustin Pop | " %d, new value will be %d)" % (cp_size, num_candidates-1)) |
2216 | 3a5ba66a | Iustin Pop | if self.op.force: |
2217 | 3e83dd48 | Iustin Pop | self.LogWarning(msg)
|
2218 | 3e83dd48 | Iustin Pop | else:
|
2219 | 3e83dd48 | Iustin Pop | raise errors.OpPrereqError(msg)
|
2220 | 3e83dd48 | Iustin Pop | |
2221 | 3a5ba66a | Iustin Pop | if (self.op.master_candidate == True and node.offline and |
2222 | 3a5ba66a | Iustin Pop | not self.op.offline == False): |
2223 | 3a5ba66a | Iustin Pop | raise errors.OpPrereqError("Can't set an offline node to" |
2224 | 3a5ba66a | Iustin Pop | " master_candidate")
|
2225 | 3a5ba66a | Iustin Pop | |
2226 | b31c8676 | Iustin Pop | return
|
2227 | b31c8676 | Iustin Pop | |
2228 | b31c8676 | Iustin Pop | def Exec(self, feedback_fn): |
2229 | b31c8676 | Iustin Pop | """Modifies a node.
|
2230 | b31c8676 | Iustin Pop |
|
2231 | b31c8676 | Iustin Pop | """
|
2232 | 3a5ba66a | Iustin Pop | node = self.node
|
2233 | b31c8676 | Iustin Pop | |
2234 | b31c8676 | Iustin Pop | result = [] |
2235 | b31c8676 | Iustin Pop | |
2236 | 3a5ba66a | Iustin Pop | if self.op.offline is not None: |
2237 | 3a5ba66a | Iustin Pop | node.offline = self.op.offline
|
2238 | 3a5ba66a | Iustin Pop | result.append(("offline", str(self.op.offline))) |
2239 | 3a5ba66a | Iustin Pop | if self.op.offline == True and node.master_candidate: |
2240 | 3a5ba66a | Iustin Pop | node.master_candidate = False
|
2241 | 3a5ba66a | Iustin Pop | result.append(("master_candidate", "auto-demotion due to offline")) |
2242 | 3a5ba66a | Iustin Pop | |
2243 | b31c8676 | Iustin Pop | if self.op.master_candidate is not None: |
2244 | b31c8676 | Iustin Pop | node.master_candidate = self.op.master_candidate
|
2245 | b31c8676 | Iustin Pop | result.append(("master_candidate", str(self.op.master_candidate))) |
2246 | 56aa9fd5 | Iustin Pop | if self.op.master_candidate == False: |
2247 | 56aa9fd5 | Iustin Pop | rrc = self.rpc.call_node_demote_from_mc(node.name)
|
2248 | 56aa9fd5 | Iustin Pop | if (rrc.failed or not isinstance(rrc.data, (tuple, list)) |
2249 | 56aa9fd5 | Iustin Pop | or len(rrc.data) != 2): |
2250 | 56aa9fd5 | Iustin Pop | self.LogWarning("Node rpc error: %s" % rrc.error) |
2251 | 56aa9fd5 | Iustin Pop | elif not rrc.data[0]: |
2252 | 56aa9fd5 | Iustin Pop | self.LogWarning("Node failed to demote itself: %s" % rrc.data[1]) |
2253 | b31c8676 | Iustin Pop | |
2254 | b31c8676 | Iustin Pop | # this will trigger configuration file update, if needed
|
2255 | b31c8676 | Iustin Pop | self.cfg.Update(node)
|
2256 | b31c8676 | Iustin Pop | # this will trigger job queue propagation or cleanup
|
2257 | 3a26773f | Iustin Pop | if self.op.node_name != self.cfg.GetMasterNode(): |
2258 | 3a26773f | Iustin Pop | self.context.ReaddNode(node)
|
2259 | b31c8676 | Iustin Pop | |
2260 | b31c8676 | Iustin Pop | return result
|
2261 | b31c8676 | Iustin Pop | |
2262 | b31c8676 | Iustin Pop | |
2263 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
2264 | a8083063 | Iustin Pop | """Query cluster configuration.
|
2265 | a8083063 | Iustin Pop |
|
2266 | a8083063 | Iustin Pop | """
|
2267 | a8083063 | Iustin Pop | _OP_REQP = [] |
2268 | 642339cf | Guido Trotter | REQ_BGL = False
|
2269 | 642339cf | Guido Trotter | |
2270 | 642339cf | Guido Trotter | def ExpandNames(self): |
2271 | 642339cf | Guido Trotter | self.needed_locks = {}
|
2272 | a8083063 | Iustin Pop | |
2273 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2274 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
2275 | a8083063 | Iustin Pop |
|
2276 | a8083063 | Iustin Pop | """
|
2277 | a8083063 | Iustin Pop | pass
|
2278 | a8083063 | Iustin Pop | |
2279 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2280 | a8083063 | Iustin Pop | """Return cluster config.
|
2281 | a8083063 | Iustin Pop |
|
2282 | a8083063 | Iustin Pop | """
|
2283 | 469f88e1 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
2284 | a8083063 | Iustin Pop | result = { |
2285 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
2286 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
2287 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
2288 | a8083063 | Iustin Pop | "os_api_version": constants.OS_API_VERSION,
|
2289 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
2290 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
2291 | 469f88e1 | Iustin Pop | "name": cluster.cluster_name,
|
2292 | 469f88e1 | Iustin Pop | "master": cluster.master_node,
|
2293 | 02691904 | Alexander Schreiber | "default_hypervisor": cluster.default_hypervisor,
|
2294 | 469f88e1 | Iustin Pop | "enabled_hypervisors": cluster.enabled_hypervisors,
|
2295 | 469f88e1 | Iustin Pop | "hvparams": cluster.hvparams,
|
2296 | 469f88e1 | Iustin Pop | "beparams": cluster.beparams,
|
2297 | 4b7735f9 | Iustin Pop | "candidate_pool_size": cluster.candidate_pool_size,
|
2298 | a8083063 | Iustin Pop | } |
2299 | a8083063 | Iustin Pop | |
2300 | a8083063 | Iustin Pop | return result
|
2301 | a8083063 | Iustin Pop | |
2302 | a8083063 | Iustin Pop | |
2303 | ae5849b5 | Michael Hanselmann | class LUQueryConfigValues(NoHooksLU): |
2304 | ae5849b5 | Michael Hanselmann | """Return configuration values.
|
2305 | a8083063 | Iustin Pop |
|
2306 | a8083063 | Iustin Pop | """
|
2307 | a8083063 | Iustin Pop | _OP_REQP = [] |
2308 | 642339cf | Guido Trotter | REQ_BGL = False
|
2309 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet() |
2310 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet("cluster_name", "master_node", "drain_flag") |
2311 | 642339cf | Guido Trotter | |
2312 | 642339cf | Guido Trotter | def ExpandNames(self): |
2313 | 642339cf | Guido Trotter | self.needed_locks = {}
|
2314 | a8083063 | Iustin Pop | |
2315 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
2316 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
2317 | ae5849b5 | Michael Hanselmann | selected=self.op.output_fields)
|
2318 | ae5849b5 | Michael Hanselmann | |
2319 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2320 | a8083063 | Iustin Pop | """No prerequisites.
|
2321 | a8083063 | Iustin Pop |
|
2322 | a8083063 | Iustin Pop | """
|
2323 | a8083063 | Iustin Pop | pass
|
2324 | a8083063 | Iustin Pop | |
2325 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2326 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
2327 | a8083063 | Iustin Pop |
|
2328 | a8083063 | Iustin Pop | """
|
2329 | ae5849b5 | Michael Hanselmann | values = [] |
2330 | ae5849b5 | Michael Hanselmann | for field in self.op.output_fields: |
2331 | ae5849b5 | Michael Hanselmann | if field == "cluster_name": |
2332 | 3ccafd0e | Iustin Pop | entry = self.cfg.GetClusterName()
|
2333 | ae5849b5 | Michael Hanselmann | elif field == "master_node": |
2334 | 3ccafd0e | Iustin Pop | entry = self.cfg.GetMasterNode()
|
2335 | 3ccafd0e | Iustin Pop | elif field == "drain_flag": |
2336 | 3ccafd0e | Iustin Pop | entry = os.path.exists(constants.JOB_QUEUE_DRAIN_FILE) |
2337 | ae5849b5 | Michael Hanselmann | else:
|
2338 | ae5849b5 | Michael Hanselmann | raise errors.ParameterError(field)
|
2339 | 3ccafd0e | Iustin Pop | values.append(entry) |
2340 | ae5849b5 | Michael Hanselmann | return values
|
2341 | a8083063 | Iustin Pop | |
2342 | a8083063 | Iustin Pop | |
2343 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
2344 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
2345 | a8083063 | Iustin Pop |
|
2346 | a8083063 | Iustin Pop | """
|
2347 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2348 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
2349 | f22a8ba3 | Guido Trotter | |
2350 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
2351 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
2352 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2353 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2354 | f22a8ba3 | Guido Trotter | |
2355 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
2356 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2357 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
2358 | a8083063 | Iustin Pop | |
2359 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2360 | a8083063 | Iustin Pop | """Check prerequisites.
|
2361 | a8083063 | Iustin Pop |
|
2362 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2363 | a8083063 | Iustin Pop |
|
2364 | a8083063 | Iustin Pop | """
|
2365 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2366 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
2367 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2368 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
2369 | a8083063 | Iustin Pop | |
2370 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2371 | a8083063 | Iustin Pop | """Activate the disks.
|
2372 | a8083063 | Iustin Pop |
|
2373 | a8083063 | Iustin Pop | """
|
2374 | b9bddb6b | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self, self.instance) |
2375 | a8083063 | Iustin Pop | if not disks_ok: |
2376 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
2377 | a8083063 | Iustin Pop | |
2378 | a8083063 | Iustin Pop | return disks_info
|
2379 | a8083063 | Iustin Pop | |
2380 | a8083063 | Iustin Pop | |
2381 | b9bddb6b | Iustin Pop | def _AssembleInstanceDisks(lu, instance, ignore_secondaries=False): |
2382 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
2383 | a8083063 | Iustin Pop |
|
2384 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
2385 | a8083063 | Iustin Pop |
|
2386 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
2387 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
2388 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
2389 | e4376078 | Iustin Pop | @param instance: the instance for whose disks we assemble
|
2390 | e4376078 | Iustin Pop | @type ignore_secondaries: boolean
|
2391 | e4376078 | Iustin Pop | @param ignore_secondaries: if true, errors on secondary nodes
|
2392 | e4376078 | Iustin Pop | won't result in an error return from the function
|
2393 | e4376078 | Iustin Pop | @return: False if the operation failed, otherwise a list of
|
2394 | e4376078 | Iustin Pop | (host, instance_visible_name, node_visible_name)
|
2395 | e4376078 | Iustin Pop | with the mapping from node devices to instance devices
|
2396 | a8083063 | Iustin Pop |
|
2397 | a8083063 | Iustin Pop | """
|
2398 | a8083063 | Iustin Pop | device_info = [] |
2399 | a8083063 | Iustin Pop | disks_ok = True
|
2400 | fdbd668d | Iustin Pop | iname = instance.name |
2401 | fdbd668d | Iustin Pop | # With the two passes mechanism we try to reduce the window of
|
2402 | fdbd668d | Iustin Pop | # opportunity for the race condition of switching DRBD to primary
|
2403 | fdbd668d | Iustin Pop | # before handshaking occured, but we do not eliminate it
|
2404 | fdbd668d | Iustin Pop | |
2405 | fdbd668d | Iustin Pop | # The proper fix would be to wait (with some limits) until the
|
2406 | fdbd668d | Iustin Pop | # connection has been made and drbd transitions from WFConnection
|
2407 | fdbd668d | Iustin Pop | # into any other network-connected state (Connected, SyncTarget,
|
2408 | fdbd668d | Iustin Pop | # SyncSource, etc.)
|
2409 | fdbd668d | Iustin Pop | |
2410 | fdbd668d | Iustin Pop | # 1st pass, assemble on all nodes in secondary mode
|
2411 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
2412 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
2413 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
2414 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, False)
|
2415 | 781de953 | Iustin Pop | if result.failed or not result: |
2416 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not prepare block device %s on node %s"
|
2417 | 86d9d3bb | Iustin Pop | " (is_primary=False, pass=1)",
|
2418 | 86d9d3bb | Iustin Pop | inst_disk.iv_name, node) |
2419 | fdbd668d | Iustin Pop | if not ignore_secondaries: |
2420 | a8083063 | Iustin Pop | disks_ok = False
|
2421 | fdbd668d | Iustin Pop | |
2422 | fdbd668d | Iustin Pop | # FIXME: race condition on drbd migration to primary
|
2423 | fdbd668d | Iustin Pop | |
2424 | fdbd668d | Iustin Pop | # 2nd pass, do only the primary node
|
2425 | fdbd668d | Iustin Pop | for inst_disk in instance.disks: |
2426 | fdbd668d | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
2427 | fdbd668d | Iustin Pop | if node != instance.primary_node:
|
2428 | fdbd668d | Iustin Pop | continue
|
2429 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
2430 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, True)
|
2431 | 781de953 | Iustin Pop | if result.failed or not result: |
2432 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not prepare block device %s on node %s"
|
2433 | 86d9d3bb | Iustin Pop | " (is_primary=True, pass=2)",
|
2434 | 86d9d3bb | Iustin Pop | inst_disk.iv_name, node) |
2435 | fdbd668d | Iustin Pop | disks_ok = False
|
2436 | 2b17c3c4 | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, result.data)) |
2437 | a8083063 | Iustin Pop | |
2438 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
2439 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
2440 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
2441 | b352ab5b | Iustin Pop | for disk in instance.disks: |
2442 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, instance.primary_node) |
2443 | b352ab5b | Iustin Pop | |
2444 | a8083063 | Iustin Pop | return disks_ok, device_info
|
2445 | a8083063 | Iustin Pop | |
2446 | a8083063 | Iustin Pop | |
2447 | b9bddb6b | Iustin Pop | def _StartInstanceDisks(lu, instance, force): |
2448 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
2449 | 3ecf6786 | Iustin Pop |
|
2450 | 3ecf6786 | Iustin Pop | """
|
2451 | b9bddb6b | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(lu, instance, |
2452 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
2453 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
2454 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
2455 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
2456 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("", hint="If the message above refers to a" |
2457 | 86d9d3bb | Iustin Pop | " secondary node,"
|
2458 | 86d9d3bb | Iustin Pop | " you can retry the operation using '--force'.")
|
2459 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
2460 | fe7b0351 | Michael Hanselmann | |
2461 | fe7b0351 | Michael Hanselmann | |
2462 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
2463 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
2464 | a8083063 | Iustin Pop |
|
2465 | a8083063 | Iustin Pop | """
|
2466 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2467 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
2468 | f22a8ba3 | Guido Trotter | |
2469 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
2470 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
2471 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2472 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2473 | f22a8ba3 | Guido Trotter | |
2474 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
2475 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2476 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
2477 | a8083063 | Iustin Pop | |
2478 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2479 | a8083063 | Iustin Pop | """Check prerequisites.
|
2480 | a8083063 | Iustin Pop |
|
2481 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2482 | a8083063 | Iustin Pop |
|
2483 | a8083063 | Iustin Pop | """
|
2484 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2485 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
2486 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2487 | a8083063 | Iustin Pop | |
2488 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2489 | a8083063 | Iustin Pop | """Deactivate the disks
|
2490 | a8083063 | Iustin Pop |
|
2491 | a8083063 | Iustin Pop | """
|
2492 | a8083063 | Iustin Pop | instance = self.instance
|
2493 | b9bddb6b | Iustin Pop | _SafeShutdownInstanceDisks(self, instance)
|
2494 | a8083063 | Iustin Pop | |
2495 | a8083063 | Iustin Pop | |
2496 | b9bddb6b | Iustin Pop | def _SafeShutdownInstanceDisks(lu, instance): |
2497 | 155d6c75 | Guido Trotter | """Shutdown block devices of an instance.
|
2498 | 155d6c75 | Guido Trotter |
|
2499 | 155d6c75 | Guido Trotter | This function checks if an instance is running, before calling
|
2500 | 155d6c75 | Guido Trotter | _ShutdownInstanceDisks.
|
2501 | 155d6c75 | Guido Trotter |
|
2502 | 155d6c75 | Guido Trotter | """
|
2503 | 72737a7f | Iustin Pop | ins_l = lu.rpc.call_instance_list([instance.primary_node], |
2504 | 72737a7f | Iustin Pop | [instance.hypervisor]) |
2505 | 155d6c75 | Guido Trotter | ins_l = ins_l[instance.primary_node] |
2506 | 781de953 | Iustin Pop | if ins_l.failed or not isinstance(ins_l.data, list): |
2507 | 155d6c75 | Guido Trotter | raise errors.OpExecError("Can't contact node '%s'" % |
2508 | 155d6c75 | Guido Trotter | instance.primary_node) |
2509 | 155d6c75 | Guido Trotter | |
2510 | 781de953 | Iustin Pop | if instance.name in ins_l.data: |
2511 | 155d6c75 | Guido Trotter | raise errors.OpExecError("Instance is running, can't shutdown" |
2512 | 155d6c75 | Guido Trotter | " block devices.")
|
2513 | 155d6c75 | Guido Trotter | |
2514 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
2515 | a8083063 | Iustin Pop | |
2516 | a8083063 | Iustin Pop | |
2517 | b9bddb6b | Iustin Pop | def _ShutdownInstanceDisks(lu, instance, ignore_primary=False): |
2518 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
2519 | a8083063 | Iustin Pop |
|
2520 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
2521 | a8083063 | Iustin Pop |
|
2522 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
2523 | a8083063 | Iustin Pop | ignored.
|
2524 | a8083063 | Iustin Pop |
|
2525 | a8083063 | Iustin Pop | """
|
2526 | a8083063 | Iustin Pop | result = True
|
2527 | a8083063 | Iustin Pop | for disk in instance.disks: |
2528 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
2529 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(top_disk, node) |
2530 | 781de953 | Iustin Pop | result = lu.rpc.call_blockdev_shutdown(node, top_disk) |
2531 | 781de953 | Iustin Pop | if result.failed or not result.data: |
2532 | 9a4f63d1 | Iustin Pop | logging.error("Could not shutdown block device %s on node %s",
|
2533 | 9a4f63d1 | Iustin Pop | disk.iv_name, node) |
2534 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
2535 | a8083063 | Iustin Pop | result = False
|
2536 | a8083063 | Iustin Pop | return result
|
2537 | a8083063 | Iustin Pop | |
2538 | a8083063 | Iustin Pop | |
2539 | 9ca87a96 | Iustin Pop | def _CheckNodeFreeMemory(lu, node, reason, requested, hypervisor_name): |
2540 | d4f16fd9 | Iustin Pop | """Checks if a node has enough free memory.
|
2541 | d4f16fd9 | Iustin Pop |
|
2542 | d4f16fd9 | Iustin Pop | This function check if a given node has the needed amount of free
|
2543 | d4f16fd9 | Iustin Pop | memory. In case the node has less memory or we cannot get the
|
2544 | d4f16fd9 | Iustin Pop | information from the node, this function raise an OpPrereqError
|
2545 | d4f16fd9 | Iustin Pop | exception.
|
2546 | d4f16fd9 | Iustin Pop |
|
2547 | b9bddb6b | Iustin Pop | @type lu: C{LogicalUnit}
|
2548 | b9bddb6b | Iustin Pop | @param lu: a logical unit from which we get configuration data
|
2549 | e69d05fd | Iustin Pop | @type node: C{str}
|
2550 | e69d05fd | Iustin Pop | @param node: the node to check
|
2551 | e69d05fd | Iustin Pop | @type reason: C{str}
|
2552 | e69d05fd | Iustin Pop | @param reason: string to use in the error message
|
2553 | e69d05fd | Iustin Pop | @type requested: C{int}
|
2554 | e69d05fd | Iustin Pop | @param requested: the amount of memory in MiB to check for
|
2555 | 9ca87a96 | Iustin Pop | @type hypervisor_name: C{str}
|
2556 | 9ca87a96 | Iustin Pop | @param hypervisor_name: the hypervisor to ask for memory stats
|
2557 | e69d05fd | Iustin Pop | @raise errors.OpPrereqError: if the node doesn't have enough memory, or
|
2558 | e69d05fd | Iustin Pop | we cannot check the node
|
2559 | d4f16fd9 | Iustin Pop |
|
2560 | d4f16fd9 | Iustin Pop | """
|
2561 | 9ca87a96 | Iustin Pop | nodeinfo = lu.rpc.call_node_info([node], lu.cfg.GetVGName(), hypervisor_name) |
2562 | 781de953 | Iustin Pop | nodeinfo[node].Raise() |
2563 | 781de953 | Iustin Pop | free_mem = nodeinfo[node].data.get('memory_free')
|
2564 | d4f16fd9 | Iustin Pop | if not isinstance(free_mem, int): |
2565 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Can't compute free memory on node %s, result" |
2566 | d4f16fd9 | Iustin Pop | " was '%s'" % (node, free_mem))
|
2567 | d4f16fd9 | Iustin Pop | if requested > free_mem:
|
2568 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on node %s for %s:" |
2569 | d4f16fd9 | Iustin Pop | " needed %s MiB, available %s MiB" %
|
2570 | d4f16fd9 | Iustin Pop | (node, reason, requested, free_mem)) |
2571 | d4f16fd9 | Iustin Pop | |
2572 | d4f16fd9 | Iustin Pop | |
2573 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
2574 | a8083063 | Iustin Pop | """Starts an instance.
|
2575 | a8083063 | Iustin Pop |
|
2576 | a8083063 | Iustin Pop | """
|
2577 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
2578 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2579 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
2580 | e873317a | Guido Trotter | REQ_BGL = False
|
2581 | e873317a | Guido Trotter | |
2582 | e873317a | Guido Trotter | def ExpandNames(self): |
2583 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2584 | a8083063 | Iustin Pop | |
2585 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2586 | a8083063 | Iustin Pop | """Build hooks env.
|
2587 | a8083063 | Iustin Pop |
|
2588 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2589 | a8083063 | Iustin Pop |
|
2590 | a8083063 | Iustin Pop | """
|
2591 | a8083063 | Iustin Pop | env = { |
2592 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
2593 | a8083063 | Iustin Pop | } |
2594 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
2595 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2596 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2597 | a8083063 | Iustin Pop | return env, nl, nl
|
2598 | a8083063 | Iustin Pop | |
2599 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2600 | a8083063 | Iustin Pop | """Check prerequisites.
|
2601 | a8083063 | Iustin Pop |
|
2602 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2603 | a8083063 | Iustin Pop |
|
2604 | a8083063 | Iustin Pop | """
|
2605 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2606 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2607 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2608 | a8083063 | Iustin Pop | |
2609 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
2610 | 7527a8a4 | Iustin Pop | |
2611 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
2612 | a8083063 | Iustin Pop | # check bridges existance
|
2613 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
2614 | a8083063 | Iustin Pop | |
2615 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, instance.primary_node,
|
2616 | d4f16fd9 | Iustin Pop | "starting instance %s" % instance.name,
|
2617 | 338e51e8 | Iustin Pop | bep[constants.BE_MEMORY], instance.hypervisor) |
2618 | d4f16fd9 | Iustin Pop | |
2619 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2620 | a8083063 | Iustin Pop | """Start the instance.
|
2621 | a8083063 | Iustin Pop |
|
2622 | a8083063 | Iustin Pop | """
|
2623 | a8083063 | Iustin Pop | instance = self.instance
|
2624 | a8083063 | Iustin Pop | force = self.op.force
|
2625 | a8083063 | Iustin Pop | extra_args = getattr(self.op, "extra_args", "") |
2626 | a8083063 | Iustin Pop | |
2627 | fe482621 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
2628 | fe482621 | Iustin Pop | |
2629 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2630 | a8083063 | Iustin Pop | |
2631 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, force)
|
2632 | a8083063 | Iustin Pop | |
2633 | 781de953 | Iustin Pop | result = self.rpc.call_instance_start(node_current, instance, extra_args)
|
2634 | 781de953 | Iustin Pop | if result.failed or not result.data: |
2635 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2636 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
2637 | a8083063 | Iustin Pop | |
2638 | a8083063 | Iustin Pop | |
2639 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
2640 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
2641 | bf6929a2 | Alexander Schreiber |
|
2642 | bf6929a2 | Alexander Schreiber | """
|
2643 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
2644 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
2645 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
2646 | e873317a | Guido Trotter | REQ_BGL = False
|
2647 | e873317a | Guido Trotter | |
2648 | e873317a | Guido Trotter | def ExpandNames(self): |
2649 | 0fcc5db3 | Guido Trotter | if self.op.reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
2650 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
2651 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL]: |
2652 | 0fcc5db3 | Guido Trotter | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
2653 | 0fcc5db3 | Guido Trotter | (constants.INSTANCE_REBOOT_SOFT, |
2654 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
2655 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL)) |
2656 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2657 | bf6929a2 | Alexander Schreiber | |
2658 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
2659 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
2660 | bf6929a2 | Alexander Schreiber |
|
2661 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
2662 | bf6929a2 | Alexander Schreiber |
|
2663 | bf6929a2 | Alexander Schreiber | """
|
2664 | bf6929a2 | Alexander Schreiber | env = { |
2665 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
2666 | bf6929a2 | Alexander Schreiber | } |
2667 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
2668 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2669 | bf6929a2 | Alexander Schreiber | list(self.instance.secondary_nodes)) |
2670 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
2671 | bf6929a2 | Alexander Schreiber | |
2672 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
2673 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
2674 | bf6929a2 | Alexander Schreiber |
|
2675 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
2676 | bf6929a2 | Alexander Schreiber |
|
2677 | bf6929a2 | Alexander Schreiber | """
|
2678 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2679 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2680 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2681 | bf6929a2 | Alexander Schreiber | |
2682 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
2683 | 7527a8a4 | Iustin Pop | |
2684 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
2685 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
2686 | bf6929a2 | Alexander Schreiber | |
2687 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
2688 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
2689 | bf6929a2 | Alexander Schreiber |
|
2690 | bf6929a2 | Alexander Schreiber | """
|
2691 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
2692 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
2693 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
2694 | bf6929a2 | Alexander Schreiber | extra_args = getattr(self.op, "extra_args", "") |
2695 | bf6929a2 | Alexander Schreiber | |
2696 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
2697 | bf6929a2 | Alexander Schreiber | |
2698 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
2699 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
2700 | 781de953 | Iustin Pop | result = self.rpc.call_instance_reboot(node_current, instance,
|
2701 | 781de953 | Iustin Pop | reboot_type, extra_args) |
2702 | 781de953 | Iustin Pop | if result.failed or not result.data: |
2703 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not reboot instance") |
2704 | bf6929a2 | Alexander Schreiber | else:
|
2705 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(node_current, instance): |
2706 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("could not shutdown instance for full reboot") |
2707 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2708 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, ignore_secondaries)
|
2709 | 781de953 | Iustin Pop | result = self.rpc.call_instance_start(node_current, instance, extra_args)
|
2710 | 781de953 | Iustin Pop | if result.failed or not result.data: |
2711 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2712 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not start instance for full reboot") |
2713 | bf6929a2 | Alexander Schreiber | |
2714 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
2715 | bf6929a2 | Alexander Schreiber | |
2716 | bf6929a2 | Alexander Schreiber | |
2717 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
2718 | a8083063 | Iustin Pop | """Shutdown an instance.
|
2719 | a8083063 | Iustin Pop |
|
2720 | a8083063 | Iustin Pop | """
|
2721 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
2722 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2723 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2724 | e873317a | Guido Trotter | REQ_BGL = False
|
2725 | e873317a | Guido Trotter | |
2726 | e873317a | Guido Trotter | def ExpandNames(self): |
2727 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2728 | a8083063 | Iustin Pop | |
2729 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2730 | a8083063 | Iustin Pop | """Build hooks env.
|
2731 | a8083063 | Iustin Pop |
|
2732 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2733 | a8083063 | Iustin Pop |
|
2734 | a8083063 | Iustin Pop | """
|
2735 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
2736 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2737 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2738 | a8083063 | Iustin Pop | return env, nl, nl
|
2739 | a8083063 | Iustin Pop | |
2740 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2741 | a8083063 | Iustin Pop | """Check prerequisites.
|
2742 | a8083063 | Iustin Pop |
|
2743 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2744 | a8083063 | Iustin Pop |
|
2745 | a8083063 | Iustin Pop | """
|
2746 | e873317a | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2747 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2748 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2749 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
2750 | a8083063 | Iustin Pop | |
2751 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2752 | a8083063 | Iustin Pop | """Shutdown the instance.
|
2753 | a8083063 | Iustin Pop |
|
2754 | a8083063 | Iustin Pop | """
|
2755 | a8083063 | Iustin Pop | instance = self.instance
|
2756 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2757 | fe482621 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
2758 | 781de953 | Iustin Pop | result = self.rpc.call_instance_shutdown(node_current, instance)
|
2759 | 781de953 | Iustin Pop | if result.failed or not result.data: |
2760 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Could not shutdown instance") |
2761 | a8083063 | Iustin Pop | |
2762 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2763 | a8083063 | Iustin Pop | |
2764 | a8083063 | Iustin Pop | |
2765 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
2766 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
2767 | fe7b0351 | Michael Hanselmann |
|
2768 | fe7b0351 | Michael Hanselmann | """
|
2769 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
2770 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
2771 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
2772 | 4e0b4d2d | Guido Trotter | REQ_BGL = False
|
2773 | 4e0b4d2d | Guido Trotter | |
2774 | 4e0b4d2d | Guido Trotter | def ExpandNames(self): |
2775 | 4e0b4d2d | Guido Trotter | self._ExpandAndLockInstance()
|
2776 | fe7b0351 | Michael Hanselmann | |
2777 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
2778 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
2779 | fe7b0351 | Michael Hanselmann |
|
2780 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
2781 | fe7b0351 | Michael Hanselmann |
|
2782 | fe7b0351 | Michael Hanselmann | """
|
2783 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
2784 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2785 | fe7b0351 | Michael Hanselmann | list(self.instance.secondary_nodes)) |
2786 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
2787 | fe7b0351 | Michael Hanselmann | |
2788 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
2789 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
2790 | fe7b0351 | Michael Hanselmann |
|
2791 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
2792 | fe7b0351 | Michael Hanselmann |
|
2793 | fe7b0351 | Michael Hanselmann | """
|
2794 | 4e0b4d2d | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2795 | 4e0b4d2d | Guido Trotter | assert instance is not None, \ |
2796 | 4e0b4d2d | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2797 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
2798 | 4e0b4d2d | Guido Trotter | |
2799 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
2800 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
2801 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2802 | fe7b0351 | Michael Hanselmann | if instance.status != "down": |
2803 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2804 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2805 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
2806 | 72737a7f | Iustin Pop | instance.name, |
2807 | 72737a7f | Iustin Pop | instance.hypervisor) |
2808 | 781de953 | Iustin Pop | if remote_info.failed or remote_info.data: |
2809 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2810 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
2811 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
2812 | d0834de3 | Michael Hanselmann | |
2813 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
2814 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2815 | d0834de3 | Michael Hanselmann | # OS verification
|
2816 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
2817 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
2818 | d0834de3 | Michael Hanselmann | if pnode is None: |
2819 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2820 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2821 | 781de953 | Iustin Pop | result = self.rpc.call_os_get(pnode.name, self.op.os_type) |
2822 | 781de953 | Iustin Pop | result.Raise() |
2823 | 781de953 | Iustin Pop | if not isinstance(result.data, objects.OS): |
2824 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported OS list for" |
2825 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2826 | d0834de3 | Michael Hanselmann | |
2827 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
2828 | fe7b0351 | Michael Hanselmann | |
2829 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
2830 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
2831 | fe7b0351 | Michael Hanselmann |
|
2832 | fe7b0351 | Michael Hanselmann | """
|
2833 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
2834 | fe7b0351 | Michael Hanselmann | |
2835 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2836 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
2837 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
2838 | 97abc79f | Iustin Pop | self.cfg.Update(inst)
|
2839 | d0834de3 | Michael Hanselmann | |
2840 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
2841 | fe7b0351 | Michael Hanselmann | try:
|
2842 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
2843 | 781de953 | Iustin Pop | result = self.rpc.call_instance_os_add(inst.primary_node, inst)
|
2844 | 781de953 | Iustin Pop | result.Raise() |
2845 | 781de953 | Iustin Pop | if not result.data: |
2846 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Could not install OS for instance %s" |
2847 | f4bc1f2c | Michael Hanselmann | " on node %s" %
|
2848 | 3ecf6786 | Iustin Pop | (inst.name, inst.primary_node)) |
2849 | fe7b0351 | Michael Hanselmann | finally:
|
2850 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
2851 | fe7b0351 | Michael Hanselmann | |
2852 | fe7b0351 | Michael Hanselmann | |
2853 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
2854 | decd5f45 | Iustin Pop | """Rename an instance.
|
2855 | decd5f45 | Iustin Pop |
|
2856 | decd5f45 | Iustin Pop | """
|
2857 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
2858 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2859 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
2860 | decd5f45 | Iustin Pop | |
2861 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
2862 | decd5f45 | Iustin Pop | """Build hooks env.
|
2863 | decd5f45 | Iustin Pop |
|
2864 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2865 | decd5f45 | Iustin Pop |
|
2866 | decd5f45 | Iustin Pop | """
|
2867 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
2868 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
2869 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2870 | decd5f45 | Iustin Pop | list(self.instance.secondary_nodes)) |
2871 | decd5f45 | Iustin Pop | return env, nl, nl
|
2872 | decd5f45 | Iustin Pop | |
2873 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
2874 | decd5f45 | Iustin Pop | """Check prerequisites.
|
2875 | decd5f45 | Iustin Pop |
|
2876 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
2877 | decd5f45 | Iustin Pop |
|
2878 | decd5f45 | Iustin Pop | """
|
2879 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2880 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2881 | decd5f45 | Iustin Pop | if instance is None: |
2882 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2883 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2884 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
2885 | 7527a8a4 | Iustin Pop | |
2886 | decd5f45 | Iustin Pop | if instance.status != "down": |
2887 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2888 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2889 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
2890 | 72737a7f | Iustin Pop | instance.name, |
2891 | 72737a7f | Iustin Pop | instance.hypervisor) |
2892 | 781de953 | Iustin Pop | remote_info.Raise() |
2893 | 781de953 | Iustin Pop | if remote_info.data:
|
2894 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2895 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
2896 | decd5f45 | Iustin Pop | instance.primary_node)) |
2897 | decd5f45 | Iustin Pop | self.instance = instance
|
2898 | decd5f45 | Iustin Pop | |
2899 | decd5f45 | Iustin Pop | # new name verification
|
2900 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
2901 | decd5f45 | Iustin Pop | |
2902 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
2903 | 7bde3275 | Guido Trotter | instance_list = self.cfg.GetInstanceList()
|
2904 | 7bde3275 | Guido Trotter | if new_name in instance_list: |
2905 | 7bde3275 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
2906 | c09f363f | Manuel Franceschini | new_name) |
2907 | 7bde3275 | Guido Trotter | |
2908 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
2909 | 937f983d | Guido Trotter | if utils.TcpPing(name_info.ip, constants.DEFAULT_NODED_PORT):
|
2910 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
2911 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
2912 | decd5f45 | Iustin Pop | |
2913 | decd5f45 | Iustin Pop | |
2914 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
2915 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
2916 | decd5f45 | Iustin Pop |
|
2917 | decd5f45 | Iustin Pop | """
|
2918 | decd5f45 | Iustin Pop | inst = self.instance
|
2919 | decd5f45 | Iustin Pop | old_name = inst.name |
2920 | decd5f45 | Iustin Pop | |
2921 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2922 | b23c4333 | Manuel Franceschini | old_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2923 | b23c4333 | Manuel Franceschini | |
2924 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
2925 | 74b5913f | Guido Trotter | # Change the instance lock. This is definitely safe while we hold the BGL
|
2926 | cb4e8387 | Iustin Pop | self.context.glm.remove(locking.LEVEL_INSTANCE, old_name)
|
2927 | 74b5913f | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, self.op.new_name) |
2928 | decd5f45 | Iustin Pop | |
2929 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
2930 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
2931 | decd5f45 | Iustin Pop | |
2932 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2933 | b23c4333 | Manuel Franceschini | new_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2934 | 72737a7f | Iustin Pop | result = self.rpc.call_file_storage_dir_rename(inst.primary_node,
|
2935 | 72737a7f | Iustin Pop | old_file_storage_dir, |
2936 | 72737a7f | Iustin Pop | new_file_storage_dir) |
2937 | 781de953 | Iustin Pop | result.Raise() |
2938 | 781de953 | Iustin Pop | if not result.data: |
2939 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not connect to node '%s' to rename" |
2940 | b23c4333 | Manuel Franceschini | " directory '%s' to '%s' (but the instance"
|
2941 | b23c4333 | Manuel Franceschini | " has been renamed in Ganeti)" % (
|
2942 | b23c4333 | Manuel Franceschini | inst.primary_node, old_file_storage_dir, |
2943 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2944 | b23c4333 | Manuel Franceschini | |
2945 | 781de953 | Iustin Pop | if not result.data[0]: |
2946 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not rename directory '%s' to '%s'" |
2947 | b23c4333 | Manuel Franceschini | " (but the instance has been renamed in"
|
2948 | b23c4333 | Manuel Franceschini | " Ganeti)" % (old_file_storage_dir,
|
2949 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2950 | b23c4333 | Manuel Franceschini | |
2951 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
2952 | decd5f45 | Iustin Pop | try:
|
2953 | 781de953 | Iustin Pop | result = self.rpc.call_instance_run_rename(inst.primary_node, inst,
|
2954 | 781de953 | Iustin Pop | old_name) |
2955 | 781de953 | Iustin Pop | if result.failed or not result.data: |
2956 | 6291574d | Alexander Schreiber | msg = ("Could not run OS rename script for instance %s on node %s"
|
2957 | 6291574d | Alexander Schreiber | " (but the instance has been renamed in Ganeti)" %
|
2958 | decd5f45 | Iustin Pop | (inst.name, inst.primary_node)) |
2959 | 86d9d3bb | Iustin Pop | self.proc.LogWarning(msg)
|
2960 | decd5f45 | Iustin Pop | finally:
|
2961 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
2962 | decd5f45 | Iustin Pop | |
2963 | decd5f45 | Iustin Pop | |
2964 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
2965 | a8083063 | Iustin Pop | """Remove an instance.
|
2966 | a8083063 | Iustin Pop |
|
2967 | a8083063 | Iustin Pop | """
|
2968 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
2969 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2970 | 5c54b832 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_failures"] |
2971 | cf472233 | Guido Trotter | REQ_BGL = False
|
2972 | cf472233 | Guido Trotter | |
2973 | cf472233 | Guido Trotter | def ExpandNames(self): |
2974 | cf472233 | Guido Trotter | self._ExpandAndLockInstance()
|
2975 | cf472233 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2976 | cf472233 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2977 | cf472233 | Guido Trotter | |
2978 | cf472233 | Guido Trotter | def DeclareLocks(self, level): |
2979 | cf472233 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2980 | cf472233 | Guido Trotter | self._LockInstancesNodes()
|
2981 | a8083063 | Iustin Pop | |
2982 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2983 | a8083063 | Iustin Pop | """Build hooks env.
|
2984 | a8083063 | Iustin Pop |
|
2985 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2986 | a8083063 | Iustin Pop |
|
2987 | a8083063 | Iustin Pop | """
|
2988 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
2989 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()]
|
2990 | a8083063 | Iustin Pop | return env, nl, nl
|
2991 | a8083063 | Iustin Pop | |
2992 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2993 | a8083063 | Iustin Pop | """Check prerequisites.
|
2994 | a8083063 | Iustin Pop |
|
2995 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2996 | a8083063 | Iustin Pop |
|
2997 | a8083063 | Iustin Pop | """
|
2998 | cf472233 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2999 | cf472233 | Guido Trotter | assert self.instance is not None, \ |
3000 | cf472233 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3001 | a8083063 | Iustin Pop | |
3002 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3003 | a8083063 | Iustin Pop | """Remove the instance.
|
3004 | a8083063 | Iustin Pop |
|
3005 | a8083063 | Iustin Pop | """
|
3006 | a8083063 | Iustin Pop | instance = self.instance
|
3007 | 9a4f63d1 | Iustin Pop | logging.info("Shutting down instance %s on node %s",
|
3008 | 9a4f63d1 | Iustin Pop | instance.name, instance.primary_node) |
3009 | a8083063 | Iustin Pop | |
3010 | 781de953 | Iustin Pop | result = self.rpc.call_instance_shutdown(instance.primary_node, instance)
|
3011 | 781de953 | Iustin Pop | if result.failed or not result.data: |
3012 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
3013 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't shutdown instance")
|
3014 | 1d67656e | Iustin Pop | else:
|
3015 | 1d67656e | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
3016 | 1d67656e | Iustin Pop | (instance.name, instance.primary_node)) |
3017 | a8083063 | Iustin Pop | |
3018 | 9a4f63d1 | Iustin Pop | logging.info("Removing block devices for instance %s", instance.name)
|
3019 | a8083063 | Iustin Pop | |
3020 | b9bddb6b | Iustin Pop | if not _RemoveDisks(self, instance): |
3021 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
3022 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
3023 | 1d67656e | Iustin Pop | else:
|
3024 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
3025 | a8083063 | Iustin Pop | |
3026 | 9a4f63d1 | Iustin Pop | logging.info("Removing instance %s out of cluster config", instance.name)
|
3027 | a8083063 | Iustin Pop | |
3028 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
3029 | cf472233 | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = instance.name
|
3030 | a8083063 | Iustin Pop | |
3031 | a8083063 | Iustin Pop | |
3032 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
3033 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
3034 | a8083063 | Iustin Pop |
|
3035 | a8083063 | Iustin Pop | """
|
3036 | 069dcc86 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
3037 | 7eb9d8f7 | Guido Trotter | REQ_BGL = False
|
3038 | a2d2e1a7 | Iustin Pop | _FIELDS_STATIC = utils.FieldSet(*["name", "os", "pnode", "snodes", |
3039 | a2d2e1a7 | Iustin Pop | "admin_state", "admin_ram", |
3040 | a2d2e1a7 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
3041 | a2d2e1a7 | Iustin Pop | "sda_size", "sdb_size", "vcpus", "tags", |
3042 | a2d2e1a7 | Iustin Pop | "network_port", "beparams", |
3043 | a2d2e1a7 | Iustin Pop | "(disk).(size)/([0-9]+)",
|
3044 | a2d2e1a7 | Iustin Pop | "(disk).(sizes)",
|
3045 | a2d2e1a7 | Iustin Pop | "(nic).(mac|ip|bridge)/([0-9]+)",
|
3046 | a2d2e1a7 | Iustin Pop | "(nic).(macs|ips|bridges)",
|
3047 | a2d2e1a7 | Iustin Pop | "(disk|nic).(count)",
|
3048 | a2d2e1a7 | Iustin Pop | "serial_no", "hypervisor", "hvparams",] + |
3049 | a2d2e1a7 | Iustin Pop | ["hv/%s" % name
|
3050 | a2d2e1a7 | Iustin Pop | for name in constants.HVS_PARAMETERS] + |
3051 | a2d2e1a7 | Iustin Pop | ["be/%s" % name
|
3052 | a2d2e1a7 | Iustin Pop | for name in constants.BES_PARAMETERS]) |
3053 | a2d2e1a7 | Iustin Pop | _FIELDS_DYNAMIC = utils.FieldSet("oper_state", "oper_ram", "status") |
3054 | 31bf511f | Iustin Pop | |
3055 | a8083063 | Iustin Pop | |
3056 | 7eb9d8f7 | Guido Trotter | def ExpandNames(self): |
3057 | 31bf511f | Iustin Pop | _CheckOutputFields(static=self._FIELDS_STATIC,
|
3058 | 31bf511f | Iustin Pop | dynamic=self._FIELDS_DYNAMIC,
|
3059 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
3060 | a8083063 | Iustin Pop | |
3061 | 7eb9d8f7 | Guido Trotter | self.needed_locks = {}
|
3062 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
3063 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
3064 | 7eb9d8f7 | Guido Trotter | |
3065 | 57a2fb91 | Iustin Pop | if self.op.names: |
3066 | 57a2fb91 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
3067 | 7eb9d8f7 | Guido Trotter | else:
|
3068 | 57a2fb91 | Iustin Pop | self.wanted = locking.ALL_SET
|
3069 | 7eb9d8f7 | Guido Trotter | |
3070 | 31bf511f | Iustin Pop | self.do_locking = self._FIELDS_STATIC.NonMatching(self.op.output_fields) |
3071 | 57a2fb91 | Iustin Pop | if self.do_locking: |
3072 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted |
3073 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
3074 | 57a2fb91 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3075 | 7eb9d8f7 | Guido Trotter | |
3076 | 7eb9d8f7 | Guido Trotter | def DeclareLocks(self, level): |
3077 | 57a2fb91 | Iustin Pop | if level == locking.LEVEL_NODE and self.do_locking: |
3078 | 7eb9d8f7 | Guido Trotter | self._LockInstancesNodes()
|
3079 | 7eb9d8f7 | Guido Trotter | |
3080 | 7eb9d8f7 | Guido Trotter | def CheckPrereq(self): |
3081 | 7eb9d8f7 | Guido Trotter | """Check prerequisites.
|
3082 | 7eb9d8f7 | Guido Trotter |
|
3083 | 7eb9d8f7 | Guido Trotter | """
|
3084 | 57a2fb91 | Iustin Pop | pass
|
3085 | 069dcc86 | Iustin Pop | |
3086 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3087 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
3088 | a8083063 | Iustin Pop |
|
3089 | a8083063 | Iustin Pop | """
|
3090 | 57a2fb91 | Iustin Pop | all_info = self.cfg.GetAllInstancesInfo()
|
3091 | 57a2fb91 | Iustin Pop | if self.do_locking: |
3092 | 57a2fb91 | Iustin Pop | instance_names = self.acquired_locks[locking.LEVEL_INSTANCE]
|
3093 | 3fa93523 | Guido Trotter | elif self.wanted != locking.ALL_SET: |
3094 | 3fa93523 | Guido Trotter | instance_names = self.wanted
|
3095 | 3fa93523 | Guido Trotter | missing = set(instance_names).difference(all_info.keys())
|
3096 | 3fa93523 | Guido Trotter | if missing:
|
3097 | 7b3a8fb5 | Iustin Pop | raise errors.OpExecError(
|
3098 | 3fa93523 | Guido Trotter | "Some instances were removed before retrieving their data: %s"
|
3099 | 3fa93523 | Guido Trotter | % missing) |
3100 | 57a2fb91 | Iustin Pop | else:
|
3101 | 57a2fb91 | Iustin Pop | instance_names = all_info.keys() |
3102 | c1f1cbb2 | Iustin Pop | |
3103 | c1f1cbb2 | Iustin Pop | instance_names = utils.NiceSort(instance_names) |
3104 | 57a2fb91 | Iustin Pop | instance_list = [all_info[iname] for iname in instance_names] |
3105 | a8083063 | Iustin Pop | |
3106 | a8083063 | Iustin Pop | # begin data gathering
|
3107 | a8083063 | Iustin Pop | |
3108 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
3109 | e69d05fd | Iustin Pop | hv_list = list(set([inst.hypervisor for inst in instance_list])) |
3110 | a8083063 | Iustin Pop | |
3111 | a8083063 | Iustin Pop | bad_nodes = [] |
3112 | cbfc4681 | Iustin Pop | off_nodes = [] |
3113 | 31bf511f | Iustin Pop | if self.do_locking: |
3114 | a8083063 | Iustin Pop | live_data = {} |
3115 | 72737a7f | Iustin Pop | node_data = self.rpc.call_all_instances_info(nodes, hv_list)
|
3116 | a8083063 | Iustin Pop | for name in nodes: |
3117 | a8083063 | Iustin Pop | result = node_data[name] |
3118 | cbfc4681 | Iustin Pop | if result.offline:
|
3119 | cbfc4681 | Iustin Pop | # offline nodes will be in both lists
|
3120 | cbfc4681 | Iustin Pop | off_nodes.append(name) |
3121 | 781de953 | Iustin Pop | if result.failed:
|
3122 | a8083063 | Iustin Pop | bad_nodes.append(name) |
3123 | 781de953 | Iustin Pop | else:
|
3124 | 781de953 | Iustin Pop | if result.data:
|
3125 | 781de953 | Iustin Pop | live_data.update(result.data) |
3126 | 781de953 | Iustin Pop | # else no instance is alive
|
3127 | a8083063 | Iustin Pop | else:
|
3128 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
3129 | a8083063 | Iustin Pop | |
3130 | a8083063 | Iustin Pop | # end data gathering
|
3131 | a8083063 | Iustin Pop | |
3132 | 5018a335 | Iustin Pop | HVPREFIX = "hv/"
|
3133 | 338e51e8 | Iustin Pop | BEPREFIX = "be/"
|
3134 | a8083063 | Iustin Pop | output = [] |
3135 | a8083063 | Iustin Pop | for instance in instance_list: |
3136 | a8083063 | Iustin Pop | iout = [] |
3137 | 5018a335 | Iustin Pop | i_hv = self.cfg.GetClusterInfo().FillHV(instance)
|
3138 | 338e51e8 | Iustin Pop | i_be = self.cfg.GetClusterInfo().FillBE(instance)
|
3139 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
3140 | 71c1af58 | Iustin Pop | st_match = self._FIELDS_STATIC.Matches(field)
|
3141 | a8083063 | Iustin Pop | if field == "name": |
3142 | a8083063 | Iustin Pop | val = instance.name |
3143 | a8083063 | Iustin Pop | elif field == "os": |
3144 | a8083063 | Iustin Pop | val = instance.os |
3145 | a8083063 | Iustin Pop | elif field == "pnode": |
3146 | a8083063 | Iustin Pop | val = instance.primary_node |
3147 | a8083063 | Iustin Pop | elif field == "snodes": |
3148 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
3149 | a8083063 | Iustin Pop | elif field == "admin_state": |
3150 | 8a23d2d3 | Iustin Pop | val = (instance.status != "down")
|
3151 | a8083063 | Iustin Pop | elif field == "oper_state": |
3152 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
3153 | 8a23d2d3 | Iustin Pop | val = None
|
3154 | a8083063 | Iustin Pop | else:
|
3155 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
3156 | d8052456 | Iustin Pop | elif field == "status": |
3157 | cbfc4681 | Iustin Pop | if instance.primary_node in off_nodes: |
3158 | cbfc4681 | Iustin Pop | val = "ERROR_nodeoffline"
|
3159 | cbfc4681 | Iustin Pop | elif instance.primary_node in bad_nodes: |
3160 | d8052456 | Iustin Pop | val = "ERROR_nodedown"
|
3161 | d8052456 | Iustin Pop | else:
|
3162 | d8052456 | Iustin Pop | running = bool(live_data.get(instance.name))
|
3163 | d8052456 | Iustin Pop | if running:
|
3164 | d8052456 | Iustin Pop | if instance.status != "down": |
3165 | d8052456 | Iustin Pop | val = "running"
|
3166 | d8052456 | Iustin Pop | else:
|
3167 | d8052456 | Iustin Pop | val = "ERROR_up"
|
3168 | d8052456 | Iustin Pop | else:
|
3169 | d8052456 | Iustin Pop | if instance.status != "down": |
3170 | d8052456 | Iustin Pop | val = "ERROR_down"
|
3171 | d8052456 | Iustin Pop | else:
|
3172 | d8052456 | Iustin Pop | val = "ADMIN_down"
|
3173 | a8083063 | Iustin Pop | elif field == "oper_ram": |
3174 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
3175 | 8a23d2d3 | Iustin Pop | val = None
|
3176 | a8083063 | Iustin Pop | elif instance.name in live_data: |
3177 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
3178 | a8083063 | Iustin Pop | else:
|
3179 | a8083063 | Iustin Pop | val = "-"
|
3180 | a8083063 | Iustin Pop | elif field == "disk_template": |
3181 | a8083063 | Iustin Pop | val = instance.disk_template |
3182 | a8083063 | Iustin Pop | elif field == "ip": |
3183 | a8083063 | Iustin Pop | val = instance.nics[0].ip
|
3184 | a8083063 | Iustin Pop | elif field == "bridge": |
3185 | a8083063 | Iustin Pop | val = instance.nics[0].bridge
|
3186 | a8083063 | Iustin Pop | elif field == "mac": |
3187 | a8083063 | Iustin Pop | val = instance.nics[0].mac
|
3188 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
3189 | ad24e046 | Iustin Pop | idx = ord(field[2]) - ord('a') |
3190 | ad24e046 | Iustin Pop | try:
|
3191 | ad24e046 | Iustin Pop | val = instance.FindDisk(idx).size |
3192 | ad24e046 | Iustin Pop | except errors.OpPrereqError:
|
3193 | 8a23d2d3 | Iustin Pop | val = None
|
3194 | 130a6a6f | Iustin Pop | elif field == "tags": |
3195 | 130a6a6f | Iustin Pop | val = list(instance.GetTags())
|
3196 | 38d7239a | Iustin Pop | elif field == "serial_no": |
3197 | 38d7239a | Iustin Pop | val = instance.serial_no |
3198 | 5018a335 | Iustin Pop | elif field == "network_port": |
3199 | 5018a335 | Iustin Pop | val = instance.network_port |
3200 | 338e51e8 | Iustin Pop | elif field == "hypervisor": |
3201 | 338e51e8 | Iustin Pop | val = instance.hypervisor |
3202 | 338e51e8 | Iustin Pop | elif field == "hvparams": |
3203 | 338e51e8 | Iustin Pop | val = i_hv |
3204 | 5018a335 | Iustin Pop | elif (field.startswith(HVPREFIX) and |
3205 | 5018a335 | Iustin Pop | field[len(HVPREFIX):] in constants.HVS_PARAMETERS): |
3206 | 5018a335 | Iustin Pop | val = i_hv.get(field[len(HVPREFIX):], None) |
3207 | 338e51e8 | Iustin Pop | elif field == "beparams": |
3208 | 338e51e8 | Iustin Pop | val = i_be |
3209 | 338e51e8 | Iustin Pop | elif (field.startswith(BEPREFIX) and |
3210 | 338e51e8 | Iustin Pop | field[len(BEPREFIX):] in constants.BES_PARAMETERS): |
3211 | 338e51e8 | Iustin Pop | val = i_be.get(field[len(BEPREFIX):], None) |
3212 | 71c1af58 | Iustin Pop | elif st_match and st_match.groups(): |
3213 | 71c1af58 | Iustin Pop | # matches a variable list
|
3214 | 71c1af58 | Iustin Pop | st_groups = st_match.groups() |
3215 | 71c1af58 | Iustin Pop | if st_groups and st_groups[0] == "disk": |
3216 | 71c1af58 | Iustin Pop | if st_groups[1] == "count": |
3217 | 71c1af58 | Iustin Pop | val = len(instance.disks)
|
3218 | 41a776da | Iustin Pop | elif st_groups[1] == "sizes": |
3219 | 41a776da | Iustin Pop | val = [disk.size for disk in instance.disks] |
3220 | 71c1af58 | Iustin Pop | elif st_groups[1] == "size": |
3221 | 3e0cea06 | Iustin Pop | try:
|
3222 | 3e0cea06 | Iustin Pop | val = instance.FindDisk(st_groups[2]).size
|
3223 | 3e0cea06 | Iustin Pop | except errors.OpPrereqError:
|
3224 | 71c1af58 | Iustin Pop | val = None
|
3225 | 71c1af58 | Iustin Pop | else:
|
3226 | 71c1af58 | Iustin Pop | assert False, "Unhandled disk parameter" |
3227 | 71c1af58 | Iustin Pop | elif st_groups[0] == "nic": |
3228 | 71c1af58 | Iustin Pop | if st_groups[1] == "count": |
3229 | 71c1af58 | Iustin Pop | val = len(instance.nics)
|
3230 | 41a776da | Iustin Pop | elif st_groups[1] == "macs": |
3231 | 41a776da | Iustin Pop | val = [nic.mac for nic in instance.nics] |
3232 | 41a776da | Iustin Pop | elif st_groups[1] == "ips": |
3233 | 41a776da | Iustin Pop | val = [nic.ip for nic in instance.nics] |
3234 | 41a776da | Iustin Pop | elif st_groups[1] == "bridges": |
3235 | 41a776da | Iustin Pop | val = [nic.bridge for nic in instance.nics] |
3236 | 71c1af58 | Iustin Pop | else:
|
3237 | 71c1af58 | Iustin Pop | # index-based item
|
3238 | 71c1af58 | Iustin Pop | nic_idx = int(st_groups[2]) |
3239 | 71c1af58 | Iustin Pop | if nic_idx >= len(instance.nics): |
3240 | 71c1af58 | Iustin Pop | val = None
|
3241 | 71c1af58 | Iustin Pop | else:
|
3242 | 71c1af58 | Iustin Pop | if st_groups[1] == "mac": |
3243 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].mac |
3244 | 71c1af58 | Iustin Pop | elif st_groups[1] == "ip": |
3245 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].ip |
3246 | 71c1af58 | Iustin Pop | elif st_groups[1] == "bridge": |
3247 | 71c1af58 | Iustin Pop | val = instance.nics[nic_idx].bridge |
3248 | 71c1af58 | Iustin Pop | else:
|
3249 | 71c1af58 | Iustin Pop | assert False, "Unhandled NIC parameter" |
3250 | 71c1af58 | Iustin Pop | else:
|
3251 | 71c1af58 | Iustin Pop | assert False, "Unhandled variable parameter" |
3252 | a8083063 | Iustin Pop | else:
|
3253 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
3254 | a8083063 | Iustin Pop | iout.append(val) |
3255 | a8083063 | Iustin Pop | output.append(iout) |
3256 | a8083063 | Iustin Pop | |
3257 | a8083063 | Iustin Pop | return output
|
3258 | a8083063 | Iustin Pop | |
3259 | a8083063 | Iustin Pop | |
3260 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
3261 | a8083063 | Iustin Pop | """Failover an instance.
|
3262 | a8083063 | Iustin Pop |
|
3263 | a8083063 | Iustin Pop | """
|
3264 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
3265 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3266 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
3267 | c9e5c064 | Guido Trotter | REQ_BGL = False
|
3268 | c9e5c064 | Guido Trotter | |
3269 | c9e5c064 | Guido Trotter | def ExpandNames(self): |
3270 | c9e5c064 | Guido Trotter | self._ExpandAndLockInstance()
|
3271 | c9e5c064 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
3272 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3273 | c9e5c064 | Guido Trotter | |
3274 | c9e5c064 | Guido Trotter | def DeclareLocks(self, level): |
3275 | c9e5c064 | Guido Trotter | if level == locking.LEVEL_NODE:
|
3276 | c9e5c064 | Guido Trotter | self._LockInstancesNodes()
|
3277 | a8083063 | Iustin Pop | |
3278 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3279 | a8083063 | Iustin Pop | """Build hooks env.
|
3280 | a8083063 | Iustin Pop |
|
3281 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3282 | a8083063 | Iustin Pop |
|
3283 | a8083063 | Iustin Pop | """
|
3284 | a8083063 | Iustin Pop | env = { |
3285 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
3286 | a8083063 | Iustin Pop | } |
3287 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
3288 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()] + list(self.instance.secondary_nodes) |
3289 | a8083063 | Iustin Pop | return env, nl, nl
|
3290 | a8083063 | Iustin Pop | |
3291 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3292 | a8083063 | Iustin Pop | """Check prerequisites.
|
3293 | a8083063 | Iustin Pop |
|
3294 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3295 | a8083063 | Iustin Pop |
|
3296 | a8083063 | Iustin Pop | """
|
3297 | c9e5c064 | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3298 | c9e5c064 | Guido Trotter | assert self.instance is not None, \ |
3299 | c9e5c064 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3300 | a8083063 | Iustin Pop | |
3301 | 338e51e8 | Iustin Pop | bep = self.cfg.GetClusterInfo().FillBE(instance)
|
3302 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
3303 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
3304 | a1f445d3 | Iustin Pop | " network mirrored, cannot failover.")
|
3305 | 2a710df1 | Michael Hanselmann | |
3306 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
3307 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
3308 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
3309 | abdf0113 | Iustin Pop | "a mirrored disk template")
|
3310 | 2a710df1 | Michael Hanselmann | |
3311 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
3312 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, target_node)
|
3313 | d4f16fd9 | Iustin Pop | # check memory requirements on the secondary node
|
3314 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "failing over instance %s" % |
3315 | 338e51e8 | Iustin Pop | instance.name, bep[constants.BE_MEMORY], |
3316 | e69d05fd | Iustin Pop | instance.hypervisor) |
3317 | 3a7c308e | Guido Trotter | |
3318 | a8083063 | Iustin Pop | # check bridge existance
|
3319 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
3320 | 781de953 | Iustin Pop | result = self.rpc.call_bridges_exist(target_node, brlist)
|
3321 | 781de953 | Iustin Pop | result.Raise() |
3322 | 781de953 | Iustin Pop | if not result.data: |
3323 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
3324 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
3325 | 50ff9a7a | Iustin Pop | (brlist, target_node)) |
3326 | a8083063 | Iustin Pop | |
3327 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3328 | a8083063 | Iustin Pop | """Failover an instance.
|
3329 | a8083063 | Iustin Pop |
|
3330 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
3331 | a8083063 | Iustin Pop | starting it on the secondary.
|
3332 | a8083063 | Iustin Pop |
|
3333 | a8083063 | Iustin Pop | """
|
3334 | a8083063 | Iustin Pop | instance = self.instance
|
3335 | a8083063 | Iustin Pop | |
3336 | a8083063 | Iustin Pop | source_node = instance.primary_node |
3337 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
3338 | a8083063 | Iustin Pop | |
3339 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
3340 | a8083063 | Iustin Pop | for dev in instance.disks: |
3341 | abdf0113 | Iustin Pop | # for drbd, these are drbd over lvm
|
3342 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, target_node, False): |
3343 | a0aaa0d0 | Guido Trotter | if instance.status == "up" and not self.op.ignore_consistency: |
3344 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
3345 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
3346 | a8083063 | Iustin Pop | |
3347 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
3348 | 9a4f63d1 | Iustin Pop | logging.info("Shutting down instance %s on node %s",
|
3349 | 9a4f63d1 | Iustin Pop | instance.name, source_node) |
3350 | a8083063 | Iustin Pop | |
3351 | 781de953 | Iustin Pop | result = self.rpc.call_instance_shutdown(source_node, instance)
|
3352 | 781de953 | Iustin Pop | if result.failed or not result.data: |
3353 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
3354 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Could not shutdown instance %s on node %s." |
3355 | 86d9d3bb | Iustin Pop | " Proceeding"
|
3356 | 86d9d3bb | Iustin Pop | " anyway. Please make sure node %s is down",
|
3357 | 86d9d3bb | Iustin Pop | instance.name, source_node, source_node) |
3358 | 24a40d57 | Iustin Pop | else:
|
3359 | 24a40d57 | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
3360 | 24a40d57 | Iustin Pop | (instance.name, source_node)) |
3361 | a8083063 | Iustin Pop | |
3362 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
3363 | b9bddb6b | Iustin Pop | if not _ShutdownInstanceDisks(self, instance, ignore_primary=True): |
3364 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
3365 | a8083063 | Iustin Pop | |
3366 | a8083063 | Iustin Pop | instance.primary_node = target_node |
3367 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
3368 | b6102dab | Guido Trotter | self.cfg.Update(instance)
|
3369 | a8083063 | Iustin Pop | |
3370 | 12a0cfbe | Guido Trotter | # Only start the instance if it's marked as up
|
3371 | 12a0cfbe | Guido Trotter | if instance.status == "up": |
3372 | 12a0cfbe | Guido Trotter | feedback_fn("* activating the instance's disks on target node")
|
3373 | 9a4f63d1 | Iustin Pop | logging.info("Starting instance %s on node %s",
|
3374 | 9a4f63d1 | Iustin Pop | instance.name, target_node) |
3375 | 12a0cfbe | Guido Trotter | |
3376 | b9bddb6b | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(self, instance,
|
3377 | 12a0cfbe | Guido Trotter | ignore_secondaries=True)
|
3378 | 12a0cfbe | Guido Trotter | if not disks_ok: |
3379 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3380 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Can't activate the instance's disks") |
3381 | a8083063 | Iustin Pop | |
3382 | 12a0cfbe | Guido Trotter | feedback_fn("* starting the instance on the target node")
|
3383 | 781de953 | Iustin Pop | result = self.rpc.call_instance_start(target_node, instance, None) |
3384 | 781de953 | Iustin Pop | if result.failed or not result.data: |
3385 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
3386 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Could not start instance %s on node %s." % |
3387 | 12a0cfbe | Guido Trotter | (instance.name, target_node)) |
3388 | a8083063 | Iustin Pop | |
3389 | a8083063 | Iustin Pop | |
3390 | 53c776b5 | Iustin Pop | class LUMigrateInstance(LogicalUnit): |
3391 | 53c776b5 | Iustin Pop | """Migrate an instance.
|
3392 | 53c776b5 | Iustin Pop |
|
3393 | 53c776b5 | Iustin Pop | This is migration without shutting down, compared to the failover,
|
3394 | 53c776b5 | Iustin Pop | which is done with shutdown.
|
3395 | 53c776b5 | Iustin Pop |
|
3396 | 53c776b5 | Iustin Pop | """
|
3397 | 53c776b5 | Iustin Pop | HPATH = "instance-migrate"
|
3398 | 53c776b5 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3399 | 53c776b5 | Iustin Pop | _OP_REQP = ["instance_name", "live", "cleanup"] |
3400 | 53c776b5 | Iustin Pop | |
3401 | 53c776b5 | Iustin Pop | REQ_BGL = False
|
3402 | 53c776b5 | Iustin Pop | |
3403 | 53c776b5 | Iustin Pop | def ExpandNames(self): |
3404 | 53c776b5 | Iustin Pop | self._ExpandAndLockInstance()
|
3405 | 53c776b5 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
3406 | 53c776b5 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3407 | 53c776b5 | Iustin Pop | |
3408 | 53c776b5 | Iustin Pop | def DeclareLocks(self, level): |
3409 | 53c776b5 | Iustin Pop | if level == locking.LEVEL_NODE:
|
3410 | 53c776b5 | Iustin Pop | self._LockInstancesNodes()
|
3411 | 53c776b5 | Iustin Pop | |
3412 | 53c776b5 | Iustin Pop | def BuildHooksEnv(self): |
3413 | 53c776b5 | Iustin Pop | """Build hooks env.
|
3414 | 53c776b5 | Iustin Pop |
|
3415 | 53c776b5 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3416 | 53c776b5 | Iustin Pop |
|
3417 | 53c776b5 | Iustin Pop | """
|
3418 | 53c776b5 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance) |
3419 | 53c776b5 | Iustin Pop | nl = [self.cfg.GetMasterNode()] + list(self.instance.secondary_nodes) |
3420 | 53c776b5 | Iustin Pop | return env, nl, nl
|
3421 | 53c776b5 | Iustin Pop | |
3422 | 53c776b5 | Iustin Pop | def CheckPrereq(self): |
3423 | 53c776b5 | Iustin Pop | """Check prerequisites.
|
3424 | 53c776b5 | Iustin Pop |
|
3425 | 53c776b5 | Iustin Pop | This checks that the instance is in the cluster.
|
3426 | 53c776b5 | Iustin Pop |
|
3427 | 53c776b5 | Iustin Pop | """
|
3428 | 53c776b5 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3429 | 53c776b5 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3430 | 53c776b5 | Iustin Pop | if instance is None: |
3431 | 53c776b5 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3432 | 53c776b5 | Iustin Pop | self.op.instance_name)
|
3433 | 53c776b5 | Iustin Pop | |
3434 | 53c776b5 | Iustin Pop | if instance.disk_template != constants.DT_DRBD8:
|
3435 | 53c776b5 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3436 | 53c776b5 | Iustin Pop | " drbd8, cannot migrate.")
|
3437 | 53c776b5 | Iustin Pop | |
3438 | 53c776b5 | Iustin Pop | secondary_nodes = instance.secondary_nodes |
3439 | 53c776b5 | Iustin Pop | if not secondary_nodes: |
3440 | 53c776b5 | Iustin Pop | raise errors.ProgrammerError("no secondary node but using " |
3441 | 53c776b5 | Iustin Pop | "drbd8 disk template")
|
3442 | 53c776b5 | Iustin Pop | |
3443 | 53c776b5 | Iustin Pop | i_be = self.cfg.GetClusterInfo().FillBE(instance)
|
3444 | 53c776b5 | Iustin Pop | |
3445 | 53c776b5 | Iustin Pop | target_node = secondary_nodes[0]
|
3446 | 53c776b5 | Iustin Pop | # check memory requirements on the secondary node
|
3447 | 53c776b5 | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "migrating instance %s" % |
3448 | 53c776b5 | Iustin Pop | instance.name, i_be[constants.BE_MEMORY], |
3449 | 53c776b5 | Iustin Pop | instance.hypervisor) |
3450 | 53c776b5 | Iustin Pop | |
3451 | 53c776b5 | Iustin Pop | # check bridge existance
|
3452 | 53c776b5 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
3453 | 53c776b5 | Iustin Pop | result = self.rpc.call_bridges_exist(target_node, brlist)
|
3454 | 53c776b5 | Iustin Pop | if result.failed or not result.data: |
3455 | 53c776b5 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
3456 | 53c776b5 | Iustin Pop | " exist on destination node '%s'" %
|
3457 | 53c776b5 | Iustin Pop | (brlist, target_node)) |
3458 | 53c776b5 | Iustin Pop | |
3459 | 53c776b5 | Iustin Pop | if not self.op.cleanup: |
3460 | 53c776b5 | Iustin Pop | result = self.rpc.call_instance_migratable(instance.primary_node,
|
3461 | 53c776b5 | Iustin Pop | instance) |
3462 | 53c776b5 | Iustin Pop | msg = result.RemoteFailMsg() |
3463 | 53c776b5 | Iustin Pop | if msg:
|
3464 | 53c776b5 | Iustin Pop | raise errors.OpPrereqError("Can't migrate: %s - please use failover" % |
3465 | 53c776b5 | Iustin Pop | msg) |
3466 | 53c776b5 | Iustin Pop | |
3467 | 53c776b5 | Iustin Pop | self.instance = instance
|
3468 | 53c776b5 | Iustin Pop | |
3469 | 53c776b5 | Iustin Pop | def _WaitUntilSync(self): |
3470 | 53c776b5 | Iustin Pop | """Poll with custom rpc for disk sync.
|
3471 | 53c776b5 | Iustin Pop |
|
3472 | 53c776b5 | Iustin Pop | This uses our own step-based rpc call.
|
3473 | 53c776b5 | Iustin Pop |
|
3474 | 53c776b5 | Iustin Pop | """
|
3475 | 53c776b5 | Iustin Pop | self.feedback_fn("* wait until resync is done") |
3476 | 53c776b5 | Iustin Pop | all_done = False
|
3477 | 53c776b5 | Iustin Pop | while not all_done: |
3478 | 53c776b5 | Iustin Pop | all_done = True
|
3479 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_wait_sync(self.all_nodes, |
3480 | 53c776b5 | Iustin Pop | self.nodes_ip,
|
3481 | 53c776b5 | Iustin Pop | self.instance.disks)
|
3482 | 53c776b5 | Iustin Pop | min_percent = 100
|
3483 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
3484 | 53c776b5 | Iustin Pop | msg = nres.RemoteFailMsg() |
3485 | 53c776b5 | Iustin Pop | if msg:
|
3486 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Cannot resync disks on node %s: %s" % |
3487 | 53c776b5 | Iustin Pop | (node, msg)) |
3488 | 53c776b5 | Iustin Pop | node_done, node_percent = nres.data[1]
|
3489 | 53c776b5 | Iustin Pop | all_done = all_done and node_done
|
3490 | 53c776b5 | Iustin Pop | if node_percent is not None: |
3491 | 53c776b5 | Iustin Pop | min_percent = min(min_percent, node_percent)
|
3492 | 53c776b5 | Iustin Pop | if not all_done: |
3493 | 53c776b5 | Iustin Pop | if min_percent < 100: |
3494 | 53c776b5 | Iustin Pop | self.feedback_fn(" - progress: %.1f%%" % min_percent) |
3495 | 53c776b5 | Iustin Pop | time.sleep(2)
|
3496 | 53c776b5 | Iustin Pop | |
3497 | 53c776b5 | Iustin Pop | def _EnsureSecondary(self, node): |
3498 | 53c776b5 | Iustin Pop | """Demote a node to secondary.
|
3499 | 53c776b5 | Iustin Pop |
|
3500 | 53c776b5 | Iustin Pop | """
|
3501 | 53c776b5 | Iustin Pop | self.feedback_fn("* switching node %s to secondary mode" % node) |
3502 | 53c776b5 | Iustin Pop | |
3503 | 53c776b5 | Iustin Pop | for dev in self.instance.disks: |
3504 | 53c776b5 | Iustin Pop | self.cfg.SetDiskID(dev, node)
|
3505 | 53c776b5 | Iustin Pop | |
3506 | 53c776b5 | Iustin Pop | result = self.rpc.call_blockdev_close(node, self.instance.name, |
3507 | 53c776b5 | Iustin Pop | self.instance.disks)
|
3508 | 53c776b5 | Iustin Pop | msg = result.RemoteFailMsg() |
3509 | 53c776b5 | Iustin Pop | if msg:
|
3510 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Cannot change disk to secondary on node %s," |
3511 | 53c776b5 | Iustin Pop | " error %s" % (node, msg))
|
3512 | 53c776b5 | Iustin Pop | |
3513 | 53c776b5 | Iustin Pop | def _GoStandalone(self): |
3514 | 53c776b5 | Iustin Pop | """Disconnect from the network.
|
3515 | 53c776b5 | Iustin Pop |
|
3516 | 53c776b5 | Iustin Pop | """
|
3517 | 53c776b5 | Iustin Pop | self.feedback_fn("* changing into standalone mode") |
3518 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_disconnect_net(self.all_nodes, self.nodes_ip, |
3519 | 53c776b5 | Iustin Pop | self.instance.disks)
|
3520 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
3521 | 53c776b5 | Iustin Pop | msg = nres.RemoteFailMsg() |
3522 | 53c776b5 | Iustin Pop | if msg:
|
3523 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Cannot disconnect disks node %s," |
3524 | 53c776b5 | Iustin Pop | " error %s" % (node, msg))
|
3525 | 53c776b5 | Iustin Pop | |
3526 | 53c776b5 | Iustin Pop | def _GoReconnect(self, multimaster): |
3527 | 53c776b5 | Iustin Pop | """Reconnect to the network.
|
3528 | 53c776b5 | Iustin Pop |
|
3529 | 53c776b5 | Iustin Pop | """
|
3530 | 53c776b5 | Iustin Pop | if multimaster:
|
3531 | 53c776b5 | Iustin Pop | msg = "dual-master"
|
3532 | 53c776b5 | Iustin Pop | else:
|
3533 | 53c776b5 | Iustin Pop | msg = "single-master"
|
3534 | 53c776b5 | Iustin Pop | self.feedback_fn("* changing disks into %s mode" % msg) |
3535 | 53c776b5 | Iustin Pop | result = self.rpc.call_drbd_attach_net(self.all_nodes, self.nodes_ip, |
3536 | 53c776b5 | Iustin Pop | self.instance.disks,
|
3537 | 53c776b5 | Iustin Pop | self.instance.name, multimaster)
|
3538 | 53c776b5 | Iustin Pop | for node, nres in result.items(): |
3539 | 53c776b5 | Iustin Pop | msg = nres.RemoteFailMsg() |
3540 | 53c776b5 | Iustin Pop | if msg:
|
3541 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Cannot change disks config on node %s," |
3542 | 53c776b5 | Iustin Pop | " error: %s" % (node, msg))
|
3543 | 53c776b5 | Iustin Pop | |
3544 | 53c776b5 | Iustin Pop | def _ExecCleanup(self): |
3545 | 53c776b5 | Iustin Pop | """Try to cleanup after a failed migration.
|
3546 | 53c776b5 | Iustin Pop |
|
3547 | 53c776b5 | Iustin Pop | The cleanup is done by:
|
3548 | 53c776b5 | Iustin Pop | - check that the instance is running only on one node
|
3549 | 53c776b5 | Iustin Pop | (and update the config if needed)
|
3550 | 53c776b5 | Iustin Pop | - change disks on its secondary node to secondary
|
3551 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized
|
3552 | 53c776b5 | Iustin Pop | - disconnect from the network
|
3553 | 53c776b5 | Iustin Pop | - change disks into single-master mode
|
3554 | 53c776b5 | Iustin Pop | - wait again until disks are fully synchronized
|
3555 | 53c776b5 | Iustin Pop |
|
3556 | 53c776b5 | Iustin Pop | """
|
3557 | 53c776b5 | Iustin Pop | instance = self.instance
|
3558 | 53c776b5 | Iustin Pop | target_node = self.target_node
|
3559 | 53c776b5 | Iustin Pop | source_node = self.source_node
|
3560 | 53c776b5 | Iustin Pop | |
3561 | 53c776b5 | Iustin Pop | # check running on only one node
|
3562 | 53c776b5 | Iustin Pop | self.feedback_fn("* checking where the instance actually runs" |
3563 | 53c776b5 | Iustin Pop | " (if this hangs, the hypervisor might be in"
|
3564 | 53c776b5 | Iustin Pop | " a bad state)")
|
3565 | 53c776b5 | Iustin Pop | ins_l = self.rpc.call_instance_list(self.all_nodes, [instance.hypervisor]) |
3566 | 53c776b5 | Iustin Pop | for node, result in ins_l.items(): |
3567 | 53c776b5 | Iustin Pop | result.Raise() |
3568 | 53c776b5 | Iustin Pop | if not isinstance(result.data, list): |
3569 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Can't contact node '%s'" % node) |
3570 | 53c776b5 | Iustin Pop | |
3571 | 53c776b5 | Iustin Pop | runningon_source = instance.name in ins_l[source_node].data
|
3572 | 53c776b5 | Iustin Pop | runningon_target = instance.name in ins_l[target_node].data
|
3573 | 53c776b5 | Iustin Pop | |
3574 | 53c776b5 | Iustin Pop | if runningon_source and runningon_target: |
3575 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Instance seems to be running on two nodes," |
3576 | 53c776b5 | Iustin Pop | " or the hypervisor is confused. You will have"
|
3577 | 53c776b5 | Iustin Pop | " to ensure manually that it runs only on one"
|
3578 | 53c776b5 | Iustin Pop | " and restart this operation.")
|
3579 | 53c776b5 | Iustin Pop | |
3580 | 53c776b5 | Iustin Pop | if not (runningon_source or runningon_target): |
3581 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Instance does not seem to be running at all." |
3582 | 53c776b5 | Iustin Pop | " In this case, it's safer to repair by"
|
3583 | 53c776b5 | Iustin Pop | " running 'gnt-instance stop' to ensure disk"
|
3584 | 53c776b5 | Iustin Pop | " shutdown, and then restarting it.")
|
3585 | 53c776b5 | Iustin Pop | |
3586 | 53c776b5 | Iustin Pop | if runningon_target:
|
3587 | 53c776b5 | Iustin Pop | # the migration has actually succeeded, we need to update the config
|
3588 | 53c776b5 | Iustin Pop | self.feedback_fn("* instance running on secondary node (%s)," |
3589 | 53c776b5 | Iustin Pop | " updating config" % target_node)
|
3590 | 53c776b5 | Iustin Pop | instance.primary_node = target_node |
3591 | 53c776b5 | Iustin Pop | self.cfg.Update(instance)
|
3592 | 53c776b5 | Iustin Pop | demoted_node = source_node |
3593 | 53c776b5 | Iustin Pop | else:
|
3594 | 53c776b5 | Iustin Pop | self.feedback_fn("* instance confirmed to be running on its" |
3595 | 53c776b5 | Iustin Pop | " primary node (%s)" % source_node)
|
3596 | 53c776b5 | Iustin Pop | demoted_node = target_node |
3597 | 53c776b5 | Iustin Pop | |
3598 | 53c776b5 | Iustin Pop | self._EnsureSecondary(demoted_node)
|
3599 | 53c776b5 | Iustin Pop | try:
|
3600 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
3601 | 53c776b5 | Iustin Pop | except errors.OpExecError:
|
3602 | 53c776b5 | Iustin Pop | # we ignore here errors, since if the device is standalone, it
|
3603 | 53c776b5 | Iustin Pop | # won't be able to sync
|
3604 | 53c776b5 | Iustin Pop | pass
|
3605 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
3606 | 53c776b5 | Iustin Pop | self._GoReconnect(False) |
3607 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
3608 | 53c776b5 | Iustin Pop | |
3609 | 53c776b5 | Iustin Pop | self.feedback_fn("* done") |
3610 | 53c776b5 | Iustin Pop | |
3611 | 53c776b5 | Iustin Pop | def _ExecMigration(self): |
3612 | 53c776b5 | Iustin Pop | """Migrate an instance.
|
3613 | 53c776b5 | Iustin Pop |
|
3614 | 53c776b5 | Iustin Pop | The migrate is done by:
|
3615 | 53c776b5 | Iustin Pop | - change the disks into dual-master mode
|
3616 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized again
|
3617 | 53c776b5 | Iustin Pop | - migrate the instance
|
3618 | 53c776b5 | Iustin Pop | - change disks on the new secondary node (the old primary) to secondary
|
3619 | 53c776b5 | Iustin Pop | - wait until disks are fully synchronized
|
3620 | 53c776b5 | Iustin Pop | - change disks into single-master mode
|
3621 | 53c776b5 | Iustin Pop |
|
3622 | 53c776b5 | Iustin Pop | """
|
3623 | 53c776b5 | Iustin Pop | instance = self.instance
|
3624 | 53c776b5 | Iustin Pop | target_node = self.target_node
|
3625 | 53c776b5 | Iustin Pop | source_node = self.source_node
|
3626 | 53c776b5 | Iustin Pop | |
3627 | 53c776b5 | Iustin Pop | self.feedback_fn("* checking disk consistency between source and target") |
3628 | 53c776b5 | Iustin Pop | for dev in instance.disks: |
3629 | 53c776b5 | Iustin Pop | if not _CheckDiskConsistency(self, dev, target_node, False): |
3630 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded or not fully" |
3631 | 53c776b5 | Iustin Pop | " synchronized on target node,"
|
3632 | 53c776b5 | Iustin Pop | " aborting migrate." % dev.iv_name)
|
3633 | 53c776b5 | Iustin Pop | |
3634 | 53c776b5 | Iustin Pop | self._EnsureSecondary(target_node)
|
3635 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
3636 | 53c776b5 | Iustin Pop | self._GoReconnect(True) |
3637 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
3638 | 53c776b5 | Iustin Pop | |
3639 | 53c776b5 | Iustin Pop | self.feedback_fn("* migrating instance to %s" % target_node) |
3640 | 53c776b5 | Iustin Pop | time.sleep(10)
|
3641 | 53c776b5 | Iustin Pop | result = self.rpc.call_instance_migrate(source_node, instance,
|
3642 | 53c776b5 | Iustin Pop | self.nodes_ip[target_node],
|
3643 | 53c776b5 | Iustin Pop | self.op.live)
|
3644 | 53c776b5 | Iustin Pop | msg = result.RemoteFailMsg() |
3645 | 53c776b5 | Iustin Pop | if msg:
|
3646 | 53c776b5 | Iustin Pop | logging.error("Instance migration failed, trying to revert"
|
3647 | 53c776b5 | Iustin Pop | " disk status: %s", msg)
|
3648 | 53c776b5 | Iustin Pop | try:
|
3649 | 53c776b5 | Iustin Pop | self._EnsureSecondary(target_node)
|
3650 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
3651 | 53c776b5 | Iustin Pop | self._GoReconnect(False) |
3652 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
3653 | 53c776b5 | Iustin Pop | except errors.OpExecError, err:
|
3654 | 53c776b5 | Iustin Pop | self.LogWarning("Migration failed and I can't reconnect the" |
3655 | 53c776b5 | Iustin Pop | " drives: error '%s'\n"
|
3656 | 53c776b5 | Iustin Pop | "Please look and recover the instance status" %
|
3657 | 53c776b5 | Iustin Pop | str(err))
|
3658 | 53c776b5 | Iustin Pop | |
3659 | 53c776b5 | Iustin Pop | raise errors.OpExecError("Could not migrate instance %s: %s" % |
3660 | 53c776b5 | Iustin Pop | (instance.name, msg)) |
3661 | 53c776b5 | Iustin Pop | time.sleep(10)
|
3662 | 53c776b5 | Iustin Pop | |
3663 | 53c776b5 | Iustin Pop | instance.primary_node = target_node |
3664 | 53c776b5 | Iustin Pop | # distribute new instance config to the other nodes
|
3665 | 53c776b5 | Iustin Pop | self.cfg.Update(instance)
|
3666 | 53c776b5 | Iustin Pop | |
3667 | 53c776b5 | Iustin Pop | self._EnsureSecondary(source_node)
|
3668 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
3669 | 53c776b5 | Iustin Pop | self._GoStandalone()
|
3670 | 53c776b5 | Iustin Pop | self._GoReconnect(False) |
3671 | 53c776b5 | Iustin Pop | self._WaitUntilSync()
|
3672 | 53c776b5 | Iustin Pop | |
3673 | 53c776b5 | Iustin Pop | self.feedback_fn("* done") |
3674 | 53c776b5 | Iustin Pop | |
3675 | 53c776b5 | Iustin Pop | def Exec(self, feedback_fn): |
3676 | 53c776b5 | Iustin Pop | """Perform the migration.
|
3677 | 53c776b5 | Iustin Pop |
|
3678 | 53c776b5 | Iustin Pop | """
|
3679 | 53c776b5 | Iustin Pop | self.feedback_fn = feedback_fn
|
3680 | 53c776b5 | Iustin Pop | |
3681 | 53c776b5 | Iustin Pop | self.source_node = self.instance.primary_node |
3682 | 53c776b5 | Iustin Pop | self.target_node = self.instance.secondary_nodes[0] |
3683 | 53c776b5 | Iustin Pop | self.all_nodes = [self.source_node, self.target_node] |
3684 | 53c776b5 | Iustin Pop | self.nodes_ip = {
|
3685 | 53c776b5 | Iustin Pop | self.source_node: self.cfg.GetNodeInfo(self.source_node).secondary_ip, |
3686 | 53c776b5 | Iustin Pop | self.target_node: self.cfg.GetNodeInfo(self.target_node).secondary_ip, |
3687 | 53c776b5 | Iustin Pop | } |
3688 | 53c776b5 | Iustin Pop | if self.op.cleanup: |
3689 | 53c776b5 | Iustin Pop | return self._ExecCleanup() |
3690 | 53c776b5 | Iustin Pop | else:
|
3691 | 53c776b5 | Iustin Pop | return self._ExecMigration() |
3692 | 53c776b5 | Iustin Pop | |
3693 | 53c776b5 | Iustin Pop | |
3694 | b9bddb6b | Iustin Pop | def _CreateBlockDevOnPrimary(lu, node, instance, device, info): |
3695 | a8083063 | Iustin Pop | """Create a tree of block devices on the primary node.
|
3696 | a8083063 | Iustin Pop |
|
3697 | a8083063 | Iustin Pop | This always creates all devices.
|
3698 | a8083063 | Iustin Pop |
|
3699 | a8083063 | Iustin Pop | """
|
3700 | a8083063 | Iustin Pop | if device.children:
|
3701 | a8083063 | Iustin Pop | for child in device.children: |
3702 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(lu, node, instance, child, info): |
3703 | a8083063 | Iustin Pop | return False |
3704 | a8083063 | Iustin Pop | |
3705 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(device, node) |
3706 | 72737a7f | Iustin Pop | new_id = lu.rpc.call_blockdev_create(node, device, device.size, |
3707 | 72737a7f | Iustin Pop | instance.name, True, info)
|
3708 | 781de953 | Iustin Pop | if new_id.failed or not new_id.data: |
3709 | a8083063 | Iustin Pop | return False |
3710 | a8083063 | Iustin Pop | if device.physical_id is None: |
3711 | a8083063 | Iustin Pop | device.physical_id = new_id |
3712 | a8083063 | Iustin Pop | return True |
3713 | a8083063 | Iustin Pop | |
3714 | a8083063 | Iustin Pop | |
3715 | b9bddb6b | Iustin Pop | def _CreateBlockDevOnSecondary(lu, node, instance, device, force, info): |
3716 | a8083063 | Iustin Pop | """Create a tree of block devices on a secondary node.
|
3717 | a8083063 | Iustin Pop |
|
3718 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
3719 | a8083063 | Iustin Pop | all its children.
|
3720 | a8083063 | Iustin Pop |
|
3721 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
3722 | a8083063 | Iustin Pop |
|
3723 | a8083063 | Iustin Pop | """
|
3724 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
3725 | a8083063 | Iustin Pop | force = True
|
3726 | a8083063 | Iustin Pop | if device.children:
|
3727 | a8083063 | Iustin Pop | for child in device.children: |
3728 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(lu, node, instance, |
3729 | 3f78eef2 | Iustin Pop | child, force, info): |
3730 | a8083063 | Iustin Pop | return False |
3731 | a8083063 | Iustin Pop | |
3732 | a8083063 | Iustin Pop | if not force: |
3733 | a8083063 | Iustin Pop | return True |
3734 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(device, node) |
3735 | 72737a7f | Iustin Pop | new_id = lu.rpc.call_blockdev_create(node, device, device.size, |
3736 | 72737a7f | Iustin Pop | instance.name, False, info)
|
3737 | 781de953 | Iustin Pop | if new_id.failed or not new_id.data: |
3738 | a8083063 | Iustin Pop | return False |
3739 | a8083063 | Iustin Pop | if device.physical_id is None: |
3740 | a8083063 | Iustin Pop | device.physical_id = new_id |
3741 | a8083063 | Iustin Pop | return True |
3742 | a8083063 | Iustin Pop | |
3743 | a8083063 | Iustin Pop | |
3744 | b9bddb6b | Iustin Pop | def _GenerateUniqueNames(lu, exts): |
3745 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
3746 | 923b1523 | Iustin Pop |
|
3747 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
3748 | 923b1523 | Iustin Pop |
|
3749 | 923b1523 | Iustin Pop | """
|
3750 | 923b1523 | Iustin Pop | results = [] |
3751 | 923b1523 | Iustin Pop | for val in exts: |
3752 | b9bddb6b | Iustin Pop | new_id = lu.cfg.GenerateUniqueID() |
3753 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
3754 | 923b1523 | Iustin Pop | return results
|
3755 | 923b1523 | Iustin Pop | |
3756 | 923b1523 | Iustin Pop | |
3757 | b9bddb6b | Iustin Pop | def _GenerateDRBD8Branch(lu, primary, secondary, size, names, iv_name, |
3758 | ffa1c0dc | Iustin Pop | p_minor, s_minor): |
3759 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
3760 | a1f445d3 | Iustin Pop |
|
3761 | a1f445d3 | Iustin Pop | """
|
3762 | b9bddb6b | Iustin Pop | port = lu.cfg.AllocatePort() |
3763 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
3764 | b9bddb6b | Iustin Pop | shared_secret = lu.cfg.GenerateDRBDSecret() |
3765 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
3766 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
3767 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
3768 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
3769 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
3770 | ffa1c0dc | Iustin Pop | logical_id=(primary, secondary, port, |
3771 | f9518d38 | Iustin Pop | p_minor, s_minor, |
3772 | f9518d38 | Iustin Pop | shared_secret), |
3773 | ffa1c0dc | Iustin Pop | children=[dev_data, dev_meta], |
3774 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
3775 | a1f445d3 | Iustin Pop | return drbd_dev
|
3776 | a1f445d3 | Iustin Pop | |
3777 | 7c0d6283 | Michael Hanselmann | |
3778 | b9bddb6b | Iustin Pop | def _GenerateDiskTemplate(lu, template_name, |
3779 | a8083063 | Iustin Pop | instance_name, primary_node, |
3780 | 08db7c5c | Iustin Pop | secondary_nodes, disk_info, |
3781 | e2a65344 | Iustin Pop | file_storage_dir, file_driver, |
3782 | e2a65344 | Iustin Pop | base_index): |
3783 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
3784 | a8083063 | Iustin Pop |
|
3785 | a8083063 | Iustin Pop | """
|
3786 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
3787 | a8083063 | Iustin Pop | |
3788 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
3789 | 08db7c5c | Iustin Pop | disk_count = len(disk_info)
|
3790 | 08db7c5c | Iustin Pop | disks = [] |
3791 | 3517d9b9 | Manuel Franceschini | if template_name == constants.DT_DISKLESS:
|
3792 | 08db7c5c | Iustin Pop | pass
|
3793 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_PLAIN:
|
3794 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
3795 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
3796 | 923b1523 | Iustin Pop | |
3797 | 08db7c5c | Iustin Pop | names = _GenerateUniqueNames(lu, [".disk%d" % i
|
3798 | 08db7c5c | Iustin Pop | for i in range(disk_count)]) |
3799 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
3800 | e2a65344 | Iustin Pop | disk_index = idx + base_index |
3801 | 08db7c5c | Iustin Pop | disk_dev = objects.Disk(dev_type=constants.LD_LV, size=disk["size"],
|
3802 | 08db7c5c | Iustin Pop | logical_id=(vgname, names[idx]), |
3803 | e2a65344 | Iustin Pop | iv_name="disk/%d" % disk_index)
|
3804 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
3805 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
3806 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
3807 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
3808 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
3809 | 08db7c5c | Iustin Pop | minors = lu.cfg.AllocateDRBDMinor( |
3810 | 08db7c5c | Iustin Pop | [primary_node, remote_node] * len(disk_info), instance_name)
|
3811 | 08db7c5c | Iustin Pop | |
3812 | 08db7c5c | Iustin Pop | names = _GenerateUniqueNames(lu, |
3813 | 08db7c5c | Iustin Pop | [".disk%d_%s" % (i, s)
|
3814 | 08db7c5c | Iustin Pop | for i in range(disk_count) |
3815 | 08db7c5c | Iustin Pop | for s in ("data", "meta") |
3816 | 08db7c5c | Iustin Pop | ]) |
3817 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
3818 | 112050d9 | Iustin Pop | disk_index = idx + base_index |
3819 | 08db7c5c | Iustin Pop | disk_dev = _GenerateDRBD8Branch(lu, primary_node, remote_node, |
3820 | 08db7c5c | Iustin Pop | disk["size"], names[idx*2:idx*2+2], |
3821 | e2a65344 | Iustin Pop | "disk/%d" % disk_index,
|
3822 | 08db7c5c | Iustin Pop | minors[idx*2], minors[idx*2+1]) |
3823 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
3824 | 0f1a06e3 | Manuel Franceschini | elif template_name == constants.DT_FILE:
|
3825 | 0f1a06e3 | Manuel Franceschini | if len(secondary_nodes) != 0: |
3826 | 0f1a06e3 | Manuel Franceschini | raise errors.ProgrammerError("Wrong template configuration") |
3827 | 0f1a06e3 | Manuel Franceschini | |
3828 | 08db7c5c | Iustin Pop | for idx, disk in enumerate(disk_info): |
3829 | 112050d9 | Iustin Pop | disk_index = idx + base_index |
3830 | 08db7c5c | Iustin Pop | disk_dev = objects.Disk(dev_type=constants.LD_FILE, size=disk["size"],
|
3831 | e2a65344 | Iustin Pop | iv_name="disk/%d" % disk_index,
|
3832 | 08db7c5c | Iustin Pop | logical_id=(file_driver, |
3833 | 08db7c5c | Iustin Pop | "%s/disk%d" % (file_storage_dir,
|
3834 | 08db7c5c | Iustin Pop | idx))) |
3835 | 08db7c5c | Iustin Pop | disks.append(disk_dev) |
3836 | a8083063 | Iustin Pop | else:
|
3837 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
3838 | a8083063 | Iustin Pop | return disks
|
3839 | a8083063 | Iustin Pop | |
3840 | a8083063 | Iustin Pop | |
3841 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
3842 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
3843 | 3ecf6786 | Iustin Pop |
|
3844 | 3ecf6786 | Iustin Pop | """
|
3845 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
3846 | a0c3fea1 | Michael Hanselmann | |
3847 | a0c3fea1 | Michael Hanselmann | |
3848 | b9bddb6b | Iustin Pop | def _CreateDisks(lu, instance): |
3849 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
3850 | a8083063 | Iustin Pop |
|
3851 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
3852 | a8083063 | Iustin Pop |
|
3853 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
3854 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
3855 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
3856 | e4376078 | Iustin Pop | @param instance: the instance whose disks we should create
|
3857 | e4376078 | Iustin Pop | @rtype: boolean
|
3858 | e4376078 | Iustin Pop | @return: the success of the creation
|
3859 | a8083063 | Iustin Pop |
|
3860 | a8083063 | Iustin Pop | """
|
3861 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
3862 | a0c3fea1 | Michael Hanselmann | |
3863 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
3864 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
3865 | 72737a7f | Iustin Pop | result = lu.rpc.call_file_storage_dir_create(instance.primary_node, |
3866 | 72737a7f | Iustin Pop | file_storage_dir) |
3867 | 0f1a06e3 | Manuel Franceschini | |
3868 | 781de953 | Iustin Pop | if result.failed or not result.data: |
3869 | 9a4f63d1 | Iustin Pop | logging.error("Could not connect to node '%s'", instance.primary_node)
|
3870 | 0f1a06e3 | Manuel Franceschini | return False |
3871 | 0f1a06e3 | Manuel Franceschini | |
3872 | 781de953 | Iustin Pop | if not result.data[0]: |
3873 | 9a4f63d1 | Iustin Pop | logging.error("Failed to create directory '%s'", file_storage_dir)
|
3874 | 0f1a06e3 | Manuel Franceschini | return False |
3875 | 0f1a06e3 | Manuel Franceschini | |
3876 | 24991749 | Iustin Pop | # Note: this needs to be kept in sync with adding of disks in
|
3877 | 24991749 | Iustin Pop | # LUSetInstanceParams
|
3878 | a8083063 | Iustin Pop | for device in instance.disks: |
3879 | 9a4f63d1 | Iustin Pop | logging.info("Creating volume %s for instance %s",
|
3880 | 9a4f63d1 | Iustin Pop | device.iv_name, instance.name) |
3881 | a8083063 | Iustin Pop | #HARDCODE
|
3882 | a8083063 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
3883 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(lu, secondary_node, instance, |
3884 | 3f78eef2 | Iustin Pop | device, False, info):
|
3885 | 9a4f63d1 | Iustin Pop | logging.error("Failed to create volume %s (%s) on secondary node %s!",
|
3886 | 9a4f63d1 | Iustin Pop | device.iv_name, device, secondary_node) |
3887 | a8083063 | Iustin Pop | return False |
3888 | a8083063 | Iustin Pop | #HARDCODE
|
3889 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(lu, instance.primary_node, |
3890 | 3f78eef2 | Iustin Pop | instance, device, info): |
3891 | 9a4f63d1 | Iustin Pop | logging.error("Failed to create volume %s on primary!", device.iv_name)
|
3892 | a8083063 | Iustin Pop | return False |
3893 | 1c6e3627 | Manuel Franceschini | |
3894 | a8083063 | Iustin Pop | return True |
3895 | a8083063 | Iustin Pop | |
3896 | a8083063 | Iustin Pop | |
3897 | b9bddb6b | Iustin Pop | def _RemoveDisks(lu, instance): |
3898 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
3899 | a8083063 | Iustin Pop |
|
3900 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
3901 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
3902 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
3903 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
3904 | a8083063 | Iustin Pop |
|
3905 | e4376078 | Iustin Pop | @type lu: L{LogicalUnit}
|
3906 | e4376078 | Iustin Pop | @param lu: the logical unit on whose behalf we execute
|
3907 | e4376078 | Iustin Pop | @type instance: L{objects.Instance}
|
3908 | e4376078 | Iustin Pop | @param instance: the instance whose disks we should remove
|
3909 | e4376078 | Iustin Pop | @rtype: boolean
|
3910 | e4376078 | Iustin Pop | @return: the success of the removal
|
3911 | a8083063 | Iustin Pop |
|
3912 | a8083063 | Iustin Pop | """
|
3913 | 9a4f63d1 | Iustin Pop | logging.info("Removing block devices for instance %s", instance.name)
|
3914 | a8083063 | Iustin Pop | |
3915 | a8083063 | Iustin Pop | result = True
|
3916 | a8083063 | Iustin Pop | for device in instance.disks: |
3917 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
3918 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, node) |
3919 | 781de953 | Iustin Pop | result = lu.rpc.call_blockdev_remove(node, disk) |
3920 | 781de953 | Iustin Pop | if result.failed or not result.data: |
3921 | 86d9d3bb | Iustin Pop | lu.proc.LogWarning("Could not remove block device %s on node %s,"
|
3922 | 86d9d3bb | Iustin Pop | " continuing anyway", device.iv_name, node)
|
3923 | a8083063 | Iustin Pop | result = False
|
3924 | 0f1a06e3 | Manuel Franceschini | |
3925 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
3926 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
3927 | 781de953 | Iustin Pop | result = lu.rpc.call_file_storage_dir_remove(instance.primary_node, |
3928 | 781de953 | Iustin Pop | file_storage_dir) |
3929 | 781de953 | Iustin Pop | if result.failed or not result.data: |
3930 | 9a4f63d1 | Iustin Pop | logging.error("Could not remove directory '%s'", file_storage_dir)
|
3931 | 0f1a06e3 | Manuel Franceschini | result = False
|
3932 | 0f1a06e3 | Manuel Franceschini | |
3933 | a8083063 | Iustin Pop | return result
|
3934 | a8083063 | Iustin Pop | |
3935 | a8083063 | Iustin Pop | |
3936 | 08db7c5c | Iustin Pop | def _ComputeDiskSize(disk_template, disks): |
3937 | e2fe6369 | Iustin Pop | """Compute disk size requirements in the volume group
|
3938 | e2fe6369 | Iustin Pop |
|
3939 | e2fe6369 | Iustin Pop | """
|
3940 | e2fe6369 | Iustin Pop | # Required free disk space as a function of disk and swap space
|
3941 | e2fe6369 | Iustin Pop | req_size_dict = { |
3942 | e2fe6369 | Iustin Pop | constants.DT_DISKLESS: None,
|
3943 | 08db7c5c | Iustin Pop | constants.DT_PLAIN: sum(d["size"] for d in disks), |
3944 | 08db7c5c | Iustin Pop | # 128 MB are added for drbd metadata for each disk
|
3945 | 08db7c5c | Iustin Pop | constants.DT_DRBD8: sum(d["size"] + 128 for d in disks), |
3946 | e2fe6369 | Iustin Pop | constants.DT_FILE: None,
|
3947 | e2fe6369 | Iustin Pop | } |
3948 | e2fe6369 | Iustin Pop | |
3949 | e2fe6369 | Iustin Pop | if disk_template not in req_size_dict: |
3950 | e2fe6369 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
3951 | e2fe6369 | Iustin Pop | " is unknown" % disk_template)
|
3952 | e2fe6369 | Iustin Pop | |
3953 | e2fe6369 | Iustin Pop | return req_size_dict[disk_template]
|
3954 | e2fe6369 | Iustin Pop | |
3955 | e2fe6369 | Iustin Pop | |
3956 | 74409b12 | Iustin Pop | def _CheckHVParams(lu, nodenames, hvname, hvparams): |
3957 | 74409b12 | Iustin Pop | """Hypervisor parameter validation.
|
3958 | 74409b12 | Iustin Pop |
|
3959 | 74409b12 | Iustin Pop | This function abstract the hypervisor parameter validation to be
|
3960 | 74409b12 | Iustin Pop | used in both instance create and instance modify.
|
3961 | 74409b12 | Iustin Pop |
|
3962 | 74409b12 | Iustin Pop | @type lu: L{LogicalUnit}
|
3963 | 74409b12 | Iustin Pop | @param lu: the logical unit for which we check
|
3964 | 74409b12 | Iustin Pop | @type nodenames: list
|
3965 | 74409b12 | Iustin Pop | @param nodenames: the list of nodes on which we should check
|
3966 | 74409b12 | Iustin Pop | @type hvname: string
|
3967 | 74409b12 | Iustin Pop | @param hvname: the name of the hypervisor we should use
|
3968 | 74409b12 | Iustin Pop | @type hvparams: dict
|
3969 | 74409b12 | Iustin Pop | @param hvparams: the parameters which we need to check
|
3970 | 74409b12 | Iustin Pop | @raise errors.OpPrereqError: if the parameters are not valid
|
3971 | 74409b12 | Iustin Pop |
|
3972 | 74409b12 | Iustin Pop | """
|
3973 | 74409b12 | Iustin Pop | hvinfo = lu.rpc.call_hypervisor_validate_params(nodenames, |
3974 | 74409b12 | Iustin Pop | hvname, |
3975 | 74409b12 | Iustin Pop | hvparams) |
3976 | 74409b12 | Iustin Pop | for node in nodenames: |
3977 | 781de953 | Iustin Pop | info = hvinfo[node] |
3978 | 781de953 | Iustin Pop | info.Raise() |
3979 | 781de953 | Iustin Pop | if not info.data or not isinstance(info.data, (tuple, list)): |
3980 | 74409b12 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
3981 | 781de953 | Iustin Pop | " from node '%s' (%s)" % (node, info.data))
|
3982 | 781de953 | Iustin Pop | if not info.data[0]: |
3983 | 74409b12 | Iustin Pop | raise errors.OpPrereqError("Hypervisor parameter validation failed:" |
3984 | 781de953 | Iustin Pop | " %s" % info.data[1]) |
3985 | 74409b12 | Iustin Pop | |
3986 | 74409b12 | Iustin Pop | |
3987 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
3988 | a8083063 | Iustin Pop | """Create an instance.
|
3989 | a8083063 | Iustin Pop |
|
3990 | a8083063 | Iustin Pop | """
|
3991 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
3992 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3993 | 08db7c5c | Iustin Pop | _OP_REQP = ["instance_name", "disks", "disk_template", |
3994 | 08db7c5c | Iustin Pop | "mode", "start", |
3995 | 08db7c5c | Iustin Pop | "wait_for_sync", "ip_check", "nics", |
3996 | 338e51e8 | Iustin Pop | "hvparams", "beparams"] |
3997 | 7baf741d | Guido Trotter | REQ_BGL = False
|
3998 | 7baf741d | Guido Trotter | |
3999 | 7baf741d | Guido Trotter | def _ExpandNode(self, node): |
4000 | 7baf741d | Guido Trotter | """Expands and checks one node name.
|
4001 | 7baf741d | Guido Trotter |
|
4002 | 7baf741d | Guido Trotter | """
|
4003 | 7baf741d | Guido Trotter | node_full = self.cfg.ExpandNodeName(node)
|
4004 | 7baf741d | Guido Trotter | if node_full is None: |
4005 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Unknown node %s" % node) |
4006 | 7baf741d | Guido Trotter | return node_full
|
4007 | 7baf741d | Guido Trotter | |
4008 | 7baf741d | Guido Trotter | def ExpandNames(self): |
4009 | 7baf741d | Guido Trotter | """ExpandNames for CreateInstance.
|
4010 | 7baf741d | Guido Trotter |
|
4011 | 7baf741d | Guido Trotter | Figure out the right locks for instance creation.
|
4012 | 7baf741d | Guido Trotter |
|
4013 | 7baf741d | Guido Trotter | """
|
4014 | 7baf741d | Guido Trotter | self.needed_locks = {}
|
4015 | 7baf741d | Guido Trotter | |
4016 | 7baf741d | Guido Trotter | # set optional parameters to none if they don't exist
|
4017 | 6785674e | Iustin Pop | for attr in ["pnode", "snode", "iallocator", "hypervisor"]: |
4018 | 7baf741d | Guido Trotter | if not hasattr(self.op, attr): |
4019 | 7baf741d | Guido Trotter | setattr(self.op, attr, None) |
4020 | 7baf741d | Guido Trotter | |
4021 | 4b2f38dd | Iustin Pop | # cheap checks, mostly valid constants given
|
4022 | 4b2f38dd | Iustin Pop | |
4023 | 7baf741d | Guido Trotter | # verify creation mode
|
4024 | 7baf741d | Guido Trotter | if self.op.mode not in (constants.INSTANCE_CREATE, |
4025 | 7baf741d | Guido Trotter | constants.INSTANCE_IMPORT): |
4026 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
4027 | 7baf741d | Guido Trotter | self.op.mode)
|
4028 | 4b2f38dd | Iustin Pop | |
4029 | 7baf741d | Guido Trotter | # disk template and mirror node verification
|
4030 | 7baf741d | Guido Trotter | if self.op.disk_template not in constants.DISK_TEMPLATES: |
4031 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid disk template name") |
4032 | 7baf741d | Guido Trotter | |
4033 | 4b2f38dd | Iustin Pop | if self.op.hypervisor is None: |
4034 | 4b2f38dd | Iustin Pop | self.op.hypervisor = self.cfg.GetHypervisorType() |
4035 | 4b2f38dd | Iustin Pop | |
4036 | 8705eb96 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
4037 | 8705eb96 | Iustin Pop | enabled_hvs = cluster.enabled_hypervisors |
4038 | 4b2f38dd | Iustin Pop | if self.op.hypervisor not in enabled_hvs: |
4039 | 4b2f38dd | Iustin Pop | raise errors.OpPrereqError("Selected hypervisor (%s) not enabled in the" |
4040 | 4b2f38dd | Iustin Pop | " cluster (%s)" % (self.op.hypervisor, |
4041 | 4b2f38dd | Iustin Pop | ",".join(enabled_hvs)))
|
4042 | 4b2f38dd | Iustin Pop | |
4043 | 6785674e | Iustin Pop | # check hypervisor parameter syntax (locally)
|
4044 | 6785674e | Iustin Pop | |
4045 | 8705eb96 | Iustin Pop | filled_hvp = cluster.FillDict(cluster.hvparams[self.op.hypervisor],
|
4046 | 8705eb96 | Iustin Pop | self.op.hvparams)
|
4047 | 6785674e | Iustin Pop | hv_type = hypervisor.GetHypervisor(self.op.hypervisor)
|
4048 | 8705eb96 | Iustin Pop | hv_type.CheckParameterSyntax(filled_hvp) |
4049 | 6785674e | Iustin Pop | |
4050 | 338e51e8 | Iustin Pop | # fill and remember the beparams dict
|
4051 | d4b72030 | Guido Trotter | utils.CheckBEParams(self.op.beparams)
|
4052 | 338e51e8 | Iustin Pop | self.be_full = cluster.FillDict(cluster.beparams[constants.BEGR_DEFAULT],
|
4053 | 338e51e8 | Iustin Pop | self.op.beparams)
|
4054 | 338e51e8 | Iustin Pop | |
4055 | 7baf741d | Guido Trotter | #### instance parameters check
|
4056 | 7baf741d | Guido Trotter | |
4057 | 7baf741d | Guido Trotter | # instance name verification
|
4058 | 7baf741d | Guido Trotter | hostname1 = utils.HostInfo(self.op.instance_name)
|
4059 | 7baf741d | Guido Trotter | self.op.instance_name = instance_name = hostname1.name
|
4060 | 7baf741d | Guido Trotter | |
4061 | 7baf741d | Guido Trotter | # this is just a preventive check, but someone might still add this
|
4062 | 7baf741d | Guido Trotter | # instance in the meantime, and creation will fail at lock-add time
|
4063 | 7baf741d | Guido Trotter | if instance_name in self.cfg.GetInstanceList(): |
4064 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
4065 | 7baf741d | Guido Trotter | instance_name) |
4066 | 7baf741d | Guido Trotter | |
4067 | 7baf741d | Guido Trotter | self.add_locks[locking.LEVEL_INSTANCE] = instance_name
|
4068 | 7baf741d | Guido Trotter | |
4069 | 08db7c5c | Iustin Pop | # NIC buildup
|
4070 | 08db7c5c | Iustin Pop | self.nics = []
|
4071 | 08db7c5c | Iustin Pop | for nic in self.op.nics: |
4072 | 08db7c5c | Iustin Pop | # ip validity checks
|
4073 | 08db7c5c | Iustin Pop | ip = nic.get("ip", None) |
4074 | 08db7c5c | Iustin Pop | if ip is None or ip.lower() == "none": |
4075 | 08db7c5c | Iustin Pop | nic_ip = None
|
4076 | 08db7c5c | Iustin Pop | elif ip.lower() == constants.VALUE_AUTO:
|
4077 | 08db7c5c | Iustin Pop | nic_ip = hostname1.ip |
4078 | 08db7c5c | Iustin Pop | else:
|
4079 | 08db7c5c | Iustin Pop | if not utils.IsValidIP(ip): |
4080 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Given IP address '%s' doesn't look" |
4081 | 08db7c5c | Iustin Pop | " like a valid IP" % ip)
|
4082 | 08db7c5c | Iustin Pop | nic_ip = ip |
4083 | 08db7c5c | Iustin Pop | |
4084 | 08db7c5c | Iustin Pop | # MAC address verification
|
4085 | 08db7c5c | Iustin Pop | mac = nic.get("mac", constants.VALUE_AUTO)
|
4086 | 08db7c5c | Iustin Pop | if mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
4087 | 08db7c5c | Iustin Pop | if not utils.IsValidMac(mac.lower()): |
4088 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid MAC address specified: %s" % |
4089 | 08db7c5c | Iustin Pop | mac) |
4090 | 08db7c5c | Iustin Pop | # bridge verification
|
4091 | 08db7c5c | Iustin Pop | bridge = nic.get("bridge", self.cfg.GetDefBridge()) |
4092 | 08db7c5c | Iustin Pop | self.nics.append(objects.NIC(mac=mac, ip=nic_ip, bridge=bridge))
|
4093 | 08db7c5c | Iustin Pop | |
4094 | 08db7c5c | Iustin Pop | # disk checks/pre-build
|
4095 | 08db7c5c | Iustin Pop | self.disks = []
|
4096 | 08db7c5c | Iustin Pop | for disk in self.op.disks: |
4097 | 08db7c5c | Iustin Pop | mode = disk.get("mode", constants.DISK_RDWR)
|
4098 | 08db7c5c | Iustin Pop | if mode not in constants.DISK_ACCESS_SET: |
4099 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid disk access mode '%s'" % |
4100 | 08db7c5c | Iustin Pop | mode) |
4101 | 08db7c5c | Iustin Pop | size = disk.get("size", None) |
4102 | 08db7c5c | Iustin Pop | if size is None: |
4103 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Missing disk size") |
4104 | 08db7c5c | Iustin Pop | try:
|
4105 | 08db7c5c | Iustin Pop | size = int(size)
|
4106 | 08db7c5c | Iustin Pop | except ValueError: |
4107 | 08db7c5c | Iustin Pop | raise errors.OpPrereqError("Invalid disk size '%s'" % size) |
4108 | 08db7c5c | Iustin Pop | self.disks.append({"size": size, "mode": mode}) |
4109 | 08db7c5c | Iustin Pop | |
4110 | 7baf741d | Guido Trotter | # used in CheckPrereq for ip ping check
|
4111 | 7baf741d | Guido Trotter | self.check_ip = hostname1.ip
|
4112 | 7baf741d | Guido Trotter | |
4113 | 7baf741d | Guido Trotter | # file storage checks
|
4114 | 7baf741d | Guido Trotter | if (self.op.file_driver and |
4115 | 7baf741d | Guido Trotter | not self.op.file_driver in constants.FILE_DRIVER): |
4116 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid file driver name '%s'" % |
4117 | 7baf741d | Guido Trotter | self.op.file_driver)
|
4118 | 7baf741d | Guido Trotter | |
4119 | 7baf741d | Guido Trotter | if self.op.file_storage_dir and os.path.isabs(self.op.file_storage_dir): |
4120 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("File storage directory path not absolute") |
4121 | 7baf741d | Guido Trotter | |
4122 | 7baf741d | Guido Trotter | ### Node/iallocator related checks
|
4123 | 7baf741d | Guido Trotter | if [self.op.iallocator, self.op.pnode].count(None) != 1: |
4124 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("One and only one of iallocator and primary" |
4125 | 7baf741d | Guido Trotter | " node must be given")
|
4126 | 7baf741d | Guido Trotter | |
4127 | 7baf741d | Guido Trotter | if self.op.iallocator: |
4128 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
4129 | 7baf741d | Guido Trotter | else:
|
4130 | 7baf741d | Guido Trotter | self.op.pnode = self._ExpandNode(self.op.pnode) |
4131 | 7baf741d | Guido Trotter | nodelist = [self.op.pnode]
|
4132 | 7baf741d | Guido Trotter | if self.op.snode is not None: |
4133 | 7baf741d | Guido Trotter | self.op.snode = self._ExpandNode(self.op.snode) |
4134 | 7baf741d | Guido Trotter | nodelist.append(self.op.snode)
|
4135 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = nodelist
|
4136 | 7baf741d | Guido Trotter | |
4137 | 7baf741d | Guido Trotter | # in case of import lock the source node too
|
4138 | 7baf741d | Guido Trotter | if self.op.mode == constants.INSTANCE_IMPORT: |
4139 | 7baf741d | Guido Trotter | src_node = getattr(self.op, "src_node", None) |
4140 | 7baf741d | Guido Trotter | src_path = getattr(self.op, "src_path", None) |
4141 | 7baf741d | Guido Trotter | |
4142 | b9322a9f | Guido Trotter | if src_path is None: |
4143 | b9322a9f | Guido Trotter | self.op.src_path = src_path = self.op.instance_name |
4144 | b9322a9f | Guido Trotter | |
4145 | b9322a9f | Guido Trotter | if src_node is None: |
4146 | b9322a9f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
4147 | b9322a9f | Guido Trotter | self.op.src_node = None |
4148 | b9322a9f | Guido Trotter | if os.path.isabs(src_path):
|
4149 | b9322a9f | Guido Trotter | raise errors.OpPrereqError("Importing an instance from an absolute" |
4150 | b9322a9f | Guido Trotter | " path requires a source node option.")
|
4151 | b9322a9f | Guido Trotter | else:
|
4152 | b9322a9f | Guido Trotter | self.op.src_node = src_node = self._ExpandNode(src_node) |
4153 | b9322a9f | Guido Trotter | if self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET: |
4154 | b9322a9f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].append(src_node)
|
4155 | b9322a9f | Guido Trotter | if not os.path.isabs(src_path): |
4156 | b9322a9f | Guido Trotter | self.op.src_path = src_path = \
|
4157 | b9322a9f | Guido Trotter | os.path.join(constants.EXPORT_DIR, src_path) |
4158 | 7baf741d | Guido Trotter | |
4159 | 7baf741d | Guido Trotter | else: # INSTANCE_CREATE |
4160 | 7baf741d | Guido Trotter | if getattr(self.op, "os_type", None) is None: |
4161 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("No guest OS specified") |
4162 | a8083063 | Iustin Pop | |
4163 | 538475ca | Iustin Pop | def _RunAllocator(self): |
4164 | 538475ca | Iustin Pop | """Run the allocator based on input opcode.
|
4165 | 538475ca | Iustin Pop |
|
4166 | 538475ca | Iustin Pop | """
|
4167 | 08db7c5c | Iustin Pop | nics = [n.ToDict() for n in self.nics] |
4168 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
4169 | 29859cb7 | Iustin Pop | mode=constants.IALLOCATOR_MODE_ALLOC, |
4170 | d1c2dd75 | Iustin Pop | name=self.op.instance_name,
|
4171 | d1c2dd75 | Iustin Pop | disk_template=self.op.disk_template,
|
4172 | d1c2dd75 | Iustin Pop | tags=[], |
4173 | d1c2dd75 | Iustin Pop | os=self.op.os_type,
|
4174 | 338e51e8 | Iustin Pop | vcpus=self.be_full[constants.BE_VCPUS],
|
4175 | 338e51e8 | Iustin Pop | mem_size=self.be_full[constants.BE_MEMORY],
|
4176 | 08db7c5c | Iustin Pop | disks=self.disks,
|
4177 | d1c2dd75 | Iustin Pop | nics=nics, |
4178 | 8cc7e742 | Guido Trotter | hypervisor=self.op.hypervisor,
|
4179 | 29859cb7 | Iustin Pop | ) |
4180 | d1c2dd75 | Iustin Pop | |
4181 | d1c2dd75 | Iustin Pop | ial.Run(self.op.iallocator)
|
4182 | d1c2dd75 | Iustin Pop | |
4183 | d1c2dd75 | Iustin Pop | if not ial.success: |
4184 | 538475ca | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
4185 | 538475ca | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
4186 | d1c2dd75 | Iustin Pop | ial.info)) |
4187 | 27579978 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
4188 | 538475ca | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
4189 | 538475ca | Iustin Pop | " of nodes (%s), required %s" %
|
4190 | 97abc79f | Iustin Pop | (self.op.iallocator, len(ial.nodes), |
4191 | 1ce4bbe3 | Renรฉ Nussbaumer | ial.required_nodes)) |
4192 | d1c2dd75 | Iustin Pop | self.op.pnode = ial.nodes[0] |
4193 | 86d9d3bb | Iustin Pop | self.LogInfo("Selected nodes for instance %s via iallocator %s: %s", |
4194 | 86d9d3bb | Iustin Pop | self.op.instance_name, self.op.iallocator, |
4195 | 86d9d3bb | Iustin Pop | ", ".join(ial.nodes))
|
4196 | 27579978 | Iustin Pop | if ial.required_nodes == 2: |
4197 | d1c2dd75 | Iustin Pop | self.op.snode = ial.nodes[1] |
4198 | 538475ca | Iustin Pop | |
4199 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4200 | a8083063 | Iustin Pop | """Build hooks env.
|
4201 | a8083063 | Iustin Pop |
|
4202 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
4203 | a8083063 | Iustin Pop |
|
4204 | a8083063 | Iustin Pop | """
|
4205 | a8083063 | Iustin Pop | env = { |
4206 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_TEMPLATE": self.op.disk_template, |
4207 | 08db7c5c | Iustin Pop | "INSTANCE_DISK_SIZE": ",".join(str(d["size"]) for d in self.disks), |
4208 | a8083063 | Iustin Pop | "INSTANCE_ADD_MODE": self.op.mode, |
4209 | a8083063 | Iustin Pop | } |
4210 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
4211 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_NODE"] = self.op.src_node |
4212 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_PATH"] = self.op.src_path |
4213 | 09acf207 | Guido Trotter | env["INSTANCE_SRC_IMAGES"] = self.src_images |
4214 | 396e1b78 | Michael Hanselmann | |
4215 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
|
4216 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
4217 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
4218 | 396e1b78 | Michael Hanselmann | status=self.instance_status,
|
4219 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
4220 | 338e51e8 | Iustin Pop | memory=self.be_full[constants.BE_MEMORY],
|
4221 | 338e51e8 | Iustin Pop | vcpus=self.be_full[constants.BE_VCPUS],
|
4222 | 08db7c5c | Iustin Pop | nics=[(n.ip, n.bridge, n.mac) for n in self.nics], |
4223 | 396e1b78 | Michael Hanselmann | )) |
4224 | a8083063 | Iustin Pop | |
4225 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.op.pnode] + |
4226 | a8083063 | Iustin Pop | self.secondaries)
|
4227 | a8083063 | Iustin Pop | return env, nl, nl
|
4228 | a8083063 | Iustin Pop | |
4229 | a8083063 | Iustin Pop | |
4230 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4231 | a8083063 | Iustin Pop | """Check prerequisites.
|
4232 | a8083063 | Iustin Pop |
|
4233 | a8083063 | Iustin Pop | """
|
4234 | eedc99de | Manuel Franceschini | if (not self.cfg.GetVGName() and |
4235 | eedc99de | Manuel Franceschini | self.op.disk_template not in constants.DTS_NOT_LVM): |
4236 | eedc99de | Manuel Franceschini | raise errors.OpPrereqError("Cluster does not support lvm-based" |
4237 | eedc99de | Manuel Franceschini | " instances")
|
4238 | eedc99de | Manuel Franceschini | |
4239 | e69d05fd | Iustin Pop | |
4240 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
4241 | 7baf741d | Guido Trotter | src_node = self.op.src_node
|
4242 | 7baf741d | Guido Trotter | src_path = self.op.src_path
|
4243 | a8083063 | Iustin Pop | |
4244 | c0cbdc67 | Guido Trotter | if src_node is None: |
4245 | c0cbdc67 | Guido Trotter | exp_list = self.rpc.call_export_list(
|
4246 | 781de953 | Iustin Pop | self.acquired_locks[locking.LEVEL_NODE])
|
4247 | c0cbdc67 | Guido Trotter | found = False
|
4248 | c0cbdc67 | Guido Trotter | for node in exp_list: |
4249 | 781de953 | Iustin Pop | if not exp_list[node].failed and src_path in exp_list[node].data: |
4250 | c0cbdc67 | Guido Trotter | found = True
|
4251 | c0cbdc67 | Guido Trotter | self.op.src_node = src_node = node
|
4252 | c0cbdc67 | Guido Trotter | self.op.src_path = src_path = os.path.join(constants.EXPORT_DIR,
|
4253 | c0cbdc67 | Guido Trotter | src_path) |
4254 | c0cbdc67 | Guido Trotter | break
|
4255 | c0cbdc67 | Guido Trotter | if not found: |
4256 | c0cbdc67 | Guido Trotter | raise errors.OpPrereqError("No export found for relative path %s" % |
4257 | c0cbdc67 | Guido Trotter | src_path) |
4258 | c0cbdc67 | Guido Trotter | |
4259 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, src_node)
|
4260 | 781de953 | Iustin Pop | result = self.rpc.call_export_info(src_node, src_path)
|
4261 | 781de953 | Iustin Pop | result.Raise() |
4262 | 781de953 | Iustin Pop | if not result.data: |
4263 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No export found in dir %s" % src_path) |
4264 | a8083063 | Iustin Pop | |
4265 | 781de953 | Iustin Pop | export_info = result.data |
4266 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
4267 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
4268 | a8083063 | Iustin Pop | |
4269 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
4270 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
4271 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
4272 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
4273 | a8083063 | Iustin Pop | |
4274 | 09acf207 | Guido Trotter | # Check that the new instance doesn't have less disks than the export
|
4275 | 08db7c5c | Iustin Pop | instance_disks = len(self.disks) |
4276 | 09acf207 | Guido Trotter | export_disks = export_info.getint(constants.INISECT_INS, 'disk_count')
|
4277 | 09acf207 | Guido Trotter | if instance_disks < export_disks:
|
4278 | 09acf207 | Guido Trotter | raise errors.OpPrereqError("Not enough disks to import." |
4279 | 09acf207 | Guido Trotter | " (instance: %d, export: %d)" %
|
4280 | 726d7d68 | Iustin Pop | (instance_disks, export_disks)) |
4281 | a8083063 | Iustin Pop | |
4282 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
4283 | 09acf207 | Guido Trotter | disk_images = [] |
4284 | 09acf207 | Guido Trotter | for idx in range(export_disks): |
4285 | 09acf207 | Guido Trotter | option = 'disk%d_dump' % idx
|
4286 | 09acf207 | Guido Trotter | if export_info.has_option(constants.INISECT_INS, option):
|
4287 | 09acf207 | Guido Trotter | # FIXME: are the old os-es, disk sizes, etc. useful?
|
4288 | 09acf207 | Guido Trotter | export_name = export_info.get(constants.INISECT_INS, option) |
4289 | 09acf207 | Guido Trotter | image = os.path.join(src_path, export_name) |
4290 | 09acf207 | Guido Trotter | disk_images.append(image) |
4291 | 09acf207 | Guido Trotter | else:
|
4292 | 09acf207 | Guido Trotter | disk_images.append(False)
|
4293 | 09acf207 | Guido Trotter | |
4294 | 09acf207 | Guido Trotter | self.src_images = disk_images
|
4295 | 901a65c1 | Iustin Pop | |
4296 | b4364a6b | Guido Trotter | old_name = export_info.get(constants.INISECT_INS, 'name')
|
4297 | b4364a6b | Guido Trotter | # FIXME: int() here could throw a ValueError on broken exports
|
4298 | b4364a6b | Guido Trotter | exp_nic_count = int(export_info.get(constants.INISECT_INS, 'nic_count')) |
4299 | b4364a6b | Guido Trotter | if self.op.instance_name == old_name: |
4300 | b4364a6b | Guido Trotter | for idx, nic in enumerate(self.nics): |
4301 | b4364a6b | Guido Trotter | if nic.mac == constants.VALUE_AUTO and exp_nic_count >= idx: |
4302 | b4364a6b | Guido Trotter | nic_mac_ini = 'nic%d_mac' % idx
|
4303 | b4364a6b | Guido Trotter | nic.mac = export_info.get(constants.INISECT_INS, nic_mac_ini) |
4304 | bc89efc3 | Guido Trotter | |
4305 | 7baf741d | Guido Trotter | # ip ping checks (we use the same ip that was resolved in ExpandNames)
|
4306 | 901a65c1 | Iustin Pop | if self.op.start and not self.op.ip_check: |
4307 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
4308 | 901a65c1 | Iustin Pop | " adding an instance in start mode")
|
4309 | 901a65c1 | Iustin Pop | |
4310 | 901a65c1 | Iustin Pop | if self.op.ip_check: |
4311 | 7baf741d | Guido Trotter | if utils.TcpPing(self.check_ip, constants.DEFAULT_NODED_PORT): |
4312 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
4313 | 7b3a8fb5 | Iustin Pop | (self.check_ip, self.op.instance_name)) |
4314 | 901a65c1 | Iustin Pop | |
4315 | 538475ca | Iustin Pop | #### allocator run
|
4316 | 538475ca | Iustin Pop | |
4317 | 538475ca | Iustin Pop | if self.op.iallocator is not None: |
4318 | 538475ca | Iustin Pop | self._RunAllocator()
|
4319 | 0f1a06e3 | Manuel Franceschini | |
4320 | 901a65c1 | Iustin Pop | #### node related checks
|
4321 | 901a65c1 | Iustin Pop | |
4322 | 901a65c1 | Iustin Pop | # check primary node
|
4323 | 7baf741d | Guido Trotter | self.pnode = pnode = self.cfg.GetNodeInfo(self.op.pnode) |
4324 | 7baf741d | Guido Trotter | assert self.pnode is not None, \ |
4325 | 7baf741d | Guido Trotter | "Cannot retrieve locked node %s" % self.op.pnode |
4326 | 7527a8a4 | Iustin Pop | if pnode.offline:
|
4327 | 7527a8a4 | Iustin Pop | raise errors.OpPrereqError("Cannot use offline primary node '%s'" % |
4328 | 7527a8a4 | Iustin Pop | pnode.name) |
4329 | 7527a8a4 | Iustin Pop | |
4330 | 901a65c1 | Iustin Pop | self.secondaries = []
|
4331 | 901a65c1 | Iustin Pop | |
4332 | 901a65c1 | Iustin Pop | # mirror node verification
|
4333 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
4334 | 7baf741d | Guido Trotter | if self.op.snode is None: |
4335 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
4336 | 3ecf6786 | Iustin Pop | " a mirror node")
|
4337 | 7baf741d | Guido Trotter | if self.op.snode == pnode.name: |
4338 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
4339 | 3ecf6786 | Iustin Pop | " the primary node.")
|
4340 | 7baf741d | Guido Trotter | self.secondaries.append(self.op.snode) |
4341 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, self.op.snode) |
4342 | a8083063 | Iustin Pop | |
4343 | 6785674e | Iustin Pop | nodenames = [pnode.name] + self.secondaries
|
4344 | 6785674e | Iustin Pop | |
4345 | e2fe6369 | Iustin Pop | req_size = _ComputeDiskSize(self.op.disk_template,
|
4346 | 08db7c5c | Iustin Pop | self.disks)
|
4347 | ed1ebc60 | Guido Trotter | |
4348 | 8d75db10 | Iustin Pop | # Check lv size requirements
|
4349 | 8d75db10 | Iustin Pop | if req_size is not None: |
4350 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
4351 | 72737a7f | Iustin Pop | self.op.hypervisor)
|
4352 | 8d75db10 | Iustin Pop | for node in nodenames: |
4353 | 781de953 | Iustin Pop | info = nodeinfo[node] |
4354 | 781de953 | Iustin Pop | info.Raise() |
4355 | 781de953 | Iustin Pop | info = info.data |
4356 | 8d75db10 | Iustin Pop | if not info: |
4357 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
4358 | 3e91897b | Iustin Pop | " from node '%s'" % node)
|
4359 | 8d75db10 | Iustin Pop | vg_free = info.get('vg_free', None) |
4360 | 8d75db10 | Iustin Pop | if not isinstance(vg_free, int): |
4361 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
4362 | 8d75db10 | Iustin Pop | " node %s" % node)
|
4363 | 8d75db10 | Iustin Pop | if req_size > info['vg_free']: |
4364 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
4365 | 8d75db10 | Iustin Pop | " %d MB available, %d MB required" %
|
4366 | 8d75db10 | Iustin Pop | (node, info['vg_free'], req_size))
|
4367 | ed1ebc60 | Guido Trotter | |
4368 | 74409b12 | Iustin Pop | _CheckHVParams(self, nodenames, self.op.hypervisor, self.op.hvparams) |
4369 | 6785674e | Iustin Pop | |
4370 | a8083063 | Iustin Pop | # os verification
|
4371 | 781de953 | Iustin Pop | result = self.rpc.call_os_get(pnode.name, self.op.os_type) |
4372 | 781de953 | Iustin Pop | result.Raise() |
4373 | 781de953 | Iustin Pop | if not isinstance(result.data, objects.OS): |
4374 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported os list for" |
4375 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
4376 | a8083063 | Iustin Pop | |
4377 | 901a65c1 | Iustin Pop | # bridge check on primary node
|
4378 | 08db7c5c | Iustin Pop | bridges = [n.bridge for n in self.nics] |
4379 | 781de953 | Iustin Pop | result = self.rpc.call_bridges_exist(self.pnode.name, bridges) |
4380 | 781de953 | Iustin Pop | result.Raise() |
4381 | 781de953 | Iustin Pop | if not result.data: |
4382 | 781de953 | Iustin Pop | raise errors.OpPrereqError("One of the target bridges '%s' does not" |
4383 | 781de953 | Iustin Pop | " exist on destination node '%s'" %
|
4384 | 08db7c5c | Iustin Pop | (",".join(bridges), pnode.name))
|
4385 | a8083063 | Iustin Pop | |
4386 | 49ce1563 | Iustin Pop | # memory check on primary node
|
4387 | 49ce1563 | Iustin Pop | if self.op.start: |
4388 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, self.pnode.name, |
4389 | 49ce1563 | Iustin Pop | "creating instance %s" % self.op.instance_name, |
4390 | 338e51e8 | Iustin Pop | self.be_full[constants.BE_MEMORY],
|
4391 | 338e51e8 | Iustin Pop | self.op.hypervisor)
|
4392 | 49ce1563 | Iustin Pop | |
4393 | a8083063 | Iustin Pop | if self.op.start: |
4394 | a8083063 | Iustin Pop | self.instance_status = 'up' |
4395 | a8083063 | Iustin Pop | else:
|
4396 | a8083063 | Iustin Pop | self.instance_status = 'down' |
4397 | a8083063 | Iustin Pop | |
4398 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4399 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
4400 | a8083063 | Iustin Pop |
|
4401 | a8083063 | Iustin Pop | """
|
4402 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
4403 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
4404 | a8083063 | Iustin Pop | |
4405 | 08db7c5c | Iustin Pop | for nic in self.nics: |
4406 | 08db7c5c | Iustin Pop | if nic.mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
4407 | 08db7c5c | Iustin Pop | nic.mac = self.cfg.GenerateMAC()
|
4408 | a8083063 | Iustin Pop | |
4409 | e69d05fd | Iustin Pop | ht_kind = self.op.hypervisor
|
4410 | 2a6469d5 | Alexander Schreiber | if ht_kind in constants.HTS_REQ_PORT: |
4411 | 2a6469d5 | Alexander Schreiber | network_port = self.cfg.AllocatePort()
|
4412 | 2a6469d5 | Alexander Schreiber | else:
|
4413 | 2a6469d5 | Alexander Schreiber | network_port = None
|
4414 | 58acb49d | Alexander Schreiber | |
4415 | 6785674e | Iustin Pop | ##if self.op.vnc_bind_address is None:
|
4416 | 6785674e | Iustin Pop | ## self.op.vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS
|
4417 | 31a853d2 | Iustin Pop | |
4418 | 2c313123 | Manuel Franceschini | # this is needed because os.path.join does not accept None arguments
|
4419 | 2c313123 | Manuel Franceschini | if self.op.file_storage_dir is None: |
4420 | 2c313123 | Manuel Franceschini | string_file_storage_dir = ""
|
4421 | 2c313123 | Manuel Franceschini | else:
|
4422 | 2c313123 | Manuel Franceschini | string_file_storage_dir = self.op.file_storage_dir
|
4423 | 2c313123 | Manuel Franceschini | |
4424 | 0f1a06e3 | Manuel Franceschini | # build the full file storage dir path
|
4425 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.normpath(os.path.join( |
4426 | d6a02168 | Michael Hanselmann | self.cfg.GetFileStorageDir(),
|
4427 | 2c313123 | Manuel Franceschini | string_file_storage_dir, instance)) |
4428 | 0f1a06e3 | Manuel Franceschini | |
4429 | 0f1a06e3 | Manuel Franceschini | |
4430 | b9bddb6b | Iustin Pop | disks = _GenerateDiskTemplate(self,
|
4431 | a8083063 | Iustin Pop | self.op.disk_template,
|
4432 | a8083063 | Iustin Pop | instance, pnode_name, |
4433 | 08db7c5c | Iustin Pop | self.secondaries,
|
4434 | 08db7c5c | Iustin Pop | self.disks,
|
4435 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, |
4436 | e2a65344 | Iustin Pop | self.op.file_driver,
|
4437 | e2a65344 | Iustin Pop | 0)
|
4438 | a8083063 | Iustin Pop | |
4439 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
4440 | a8083063 | Iustin Pop | primary_node=pnode_name, |
4441 | 08db7c5c | Iustin Pop | nics=self.nics, disks=disks,
|
4442 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
4443 | a8083063 | Iustin Pop | status=self.instance_status,
|
4444 | 58acb49d | Alexander Schreiber | network_port=network_port, |
4445 | 338e51e8 | Iustin Pop | beparams=self.op.beparams,
|
4446 | 6785674e | Iustin Pop | hvparams=self.op.hvparams,
|
4447 | e69d05fd | Iustin Pop | hypervisor=self.op.hypervisor,
|
4448 | a8083063 | Iustin Pop | ) |
4449 | a8083063 | Iustin Pop | |
4450 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
4451 | b9bddb6b | Iustin Pop | if not _CreateDisks(self, iobj): |
4452 | b9bddb6b | Iustin Pop | _RemoveDisks(self, iobj)
|
4453 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance)
|
4454 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Device creation failed, reverting...") |
4455 | a8083063 | Iustin Pop | |
4456 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
4457 | a8083063 | Iustin Pop | |
4458 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
4459 | 7baf741d | Guido Trotter | # Declare that we don't want to remove the instance lock anymore, as we've
|
4460 | 7baf741d | Guido Trotter | # added the instance to the config
|
4461 | 7baf741d | Guido Trotter | del self.remove_locks[locking.LEVEL_INSTANCE] |
4462 | a1578d63 | Iustin Pop | # Remove the temp. assignements for the instance's drbds
|
4463 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance)
|
4464 | e36e96b4 | Guido Trotter | # Unlock all the nodes
|
4465 | 9c8971d7 | Guido Trotter | if self.op.mode == constants.INSTANCE_IMPORT: |
4466 | 9c8971d7 | Guido Trotter | nodes_keep = [self.op.src_node]
|
4467 | 9c8971d7 | Guido Trotter | nodes_release = [node for node in self.acquired_locks[locking.LEVEL_NODE] |
4468 | 9c8971d7 | Guido Trotter | if node != self.op.src_node] |
4469 | 9c8971d7 | Guido Trotter | self.context.glm.release(locking.LEVEL_NODE, nodes_release)
|
4470 | 9c8971d7 | Guido Trotter | self.acquired_locks[locking.LEVEL_NODE] = nodes_keep
|
4471 | 9c8971d7 | Guido Trotter | else:
|
4472 | 9c8971d7 | Guido Trotter | self.context.glm.release(locking.LEVEL_NODE)
|
4473 | 9c8971d7 | Guido Trotter | del self.acquired_locks[locking.LEVEL_NODE] |
4474 | a8083063 | Iustin Pop | |
4475 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
4476 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj) |
4477 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
4478 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
4479 | a8083063 | Iustin Pop | time.sleep(15)
|
4480 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
4481 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj, oneshot=True) |
4482 | a8083063 | Iustin Pop | else:
|
4483 | a8083063 | Iustin Pop | disk_abort = False
|
4484 | a8083063 | Iustin Pop | |
4485 | a8083063 | Iustin Pop | if disk_abort:
|
4486 | b9bddb6b | Iustin Pop | _RemoveDisks(self, iobj)
|
4487 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
4488 | 7baf741d | Guido Trotter | # Make sure the instance lock gets removed
|
4489 | 7baf741d | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = iobj.name
|
4490 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
4491 | 3ecf6786 | Iustin Pop | " this instance")
|
4492 | a8083063 | Iustin Pop | |
4493 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
4494 | a8083063 | Iustin Pop | (instance, pnode_name)) |
4495 | a8083063 | Iustin Pop | |
4496 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
4497 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
4498 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
4499 | 781de953 | Iustin Pop | result = self.rpc.call_instance_os_add(pnode_name, iobj)
|
4500 | 781de953 | Iustin Pop | result.Raise() |
4501 | 781de953 | Iustin Pop | if not result.data: |
4502 | 781de953 | Iustin Pop | raise errors.OpExecError("Could not add os for instance %s" |
4503 | 3ecf6786 | Iustin Pop | " on node %s" %
|
4504 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
4505 | a8083063 | Iustin Pop | |
4506 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
4507 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
4508 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
4509 | 09acf207 | Guido Trotter | src_images = self.src_images
|
4510 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
4511 | 6c0af70e | Guido Trotter | import_result = self.rpc.call_instance_os_import(pnode_name, iobj,
|
4512 | 09acf207 | Guido Trotter | src_node, src_images, |
4513 | 6c0af70e | Guido Trotter | cluster_name) |
4514 | 781de953 | Iustin Pop | import_result.Raise() |
4515 | 781de953 | Iustin Pop | for idx, result in enumerate(import_result.data): |
4516 | 09acf207 | Guido Trotter | if not result: |
4517 | 726d7d68 | Iustin Pop | self.LogWarning("Could not import the image %s for instance" |
4518 | 726d7d68 | Iustin Pop | " %s, disk %d, on node %s" %
|
4519 | 726d7d68 | Iustin Pop | (src_images[idx], instance, idx, pnode_name)) |
4520 | a8083063 | Iustin Pop | else:
|
4521 | a8083063 | Iustin Pop | # also checked in the prereq part
|
4522 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
4523 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
4524 | a8083063 | Iustin Pop | |
4525 | a8083063 | Iustin Pop | if self.op.start: |
4526 | 9a4f63d1 | Iustin Pop | logging.info("Starting instance %s on node %s", instance, pnode_name)
|
4527 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
4528 | 781de953 | Iustin Pop | result = self.rpc.call_instance_start(pnode_name, iobj, None) |
4529 | 781de953 | Iustin Pop | result.Raise() |
4530 | 781de953 | Iustin Pop | if not result.data: |
4531 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
4532 | a8083063 | Iustin Pop | |
4533 | a8083063 | Iustin Pop | |
4534 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
4535 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
4536 | a8083063 | Iustin Pop |
|
4537 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
4538 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
4539 | a8083063 | Iustin Pop | console.
|
4540 | a8083063 | Iustin Pop |
|
4541 | a8083063 | Iustin Pop | """
|
4542 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
4543 | 8659b73e | Guido Trotter | REQ_BGL = False
|
4544 | 8659b73e | Guido Trotter | |
4545 | 8659b73e | Guido Trotter | def ExpandNames(self): |
4546 | 8659b73e | Guido Trotter | self._ExpandAndLockInstance()
|
4547 | a8083063 | Iustin Pop | |
4548 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4549 | a8083063 | Iustin Pop | """Check prerequisites.
|
4550 | a8083063 | Iustin Pop |
|
4551 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
4552 | a8083063 | Iustin Pop |
|
4553 | a8083063 | Iustin Pop | """
|
4554 | 8659b73e | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4555 | 8659b73e | Guido Trotter | assert self.instance is not None, \ |
4556 | 8659b73e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4557 | 513e896d | Guido Trotter | _CheckNodeOnline(self, self.instance.primary_node) |
4558 | a8083063 | Iustin Pop | |
4559 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4560 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
4561 | a8083063 | Iustin Pop |
|
4562 | a8083063 | Iustin Pop | """
|
4563 | a8083063 | Iustin Pop | instance = self.instance
|
4564 | a8083063 | Iustin Pop | node = instance.primary_node |
4565 | a8083063 | Iustin Pop | |
4566 | 72737a7f | Iustin Pop | node_insts = self.rpc.call_instance_list([node],
|
4567 | 72737a7f | Iustin Pop | [instance.hypervisor])[node] |
4568 | 781de953 | Iustin Pop | node_insts.Raise() |
4569 | a8083063 | Iustin Pop | |
4570 | 781de953 | Iustin Pop | if instance.name not in node_insts.data: |
4571 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
4572 | a8083063 | Iustin Pop | |
4573 | 9a4f63d1 | Iustin Pop | logging.debug("Connecting to console of %s on %s", instance.name, node)
|
4574 | a8083063 | Iustin Pop | |
4575 | e69d05fd | Iustin Pop | hyper = hypervisor.GetHypervisor(instance.hypervisor) |
4576 | 30989e69 | Alexander Schreiber | console_cmd = hyper.GetShellCommandForConsole(instance) |
4577 | b047857b | Michael Hanselmann | |
4578 | 82122173 | Iustin Pop | # build ssh cmdline
|
4579 | 0a80a26f | Michael Hanselmann | return self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True) |
4580 | a8083063 | Iustin Pop | |
4581 | a8083063 | Iustin Pop | |
4582 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
4583 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
4584 | a8083063 | Iustin Pop |
|
4585 | a8083063 | Iustin Pop | """
|
4586 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
4587 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4588 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
4589 | efd990e4 | Guido Trotter | REQ_BGL = False
|
4590 | efd990e4 | Guido Trotter | |
4591 | 7e9366f7 | Iustin Pop | def CheckArguments(self): |
4592 | efd990e4 | Guido Trotter | if not hasattr(self.op, "remote_node"): |
4593 | efd990e4 | Guido Trotter | self.op.remote_node = None |
4594 | 7e9366f7 | Iustin Pop | if not hasattr(self.op, "iallocator"): |
4595 | 7e9366f7 | Iustin Pop | self.op.iallocator = None |
4596 | 7e9366f7 | Iustin Pop | |
4597 | 7e9366f7 | Iustin Pop | # check for valid parameter combination
|
4598 | 7e9366f7 | Iustin Pop | cnt = [self.op.remote_node, self.op.iallocator].count(None) |
4599 | 7e9366f7 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_CHG: |
4600 | 7e9366f7 | Iustin Pop | if cnt == 2: |
4601 | 7e9366f7 | Iustin Pop | raise errors.OpPrereqError("When changing the secondary either an" |
4602 | 7e9366f7 | Iustin Pop | " iallocator script must be used or the"
|
4603 | 7e9366f7 | Iustin Pop | " new node given")
|
4604 | 7e9366f7 | Iustin Pop | elif cnt == 0: |
4605 | efd990e4 | Guido Trotter | raise errors.OpPrereqError("Give either the iallocator or the new" |
4606 | efd990e4 | Guido Trotter | " secondary, not both")
|
4607 | 7e9366f7 | Iustin Pop | else: # not replacing the secondary |
4608 | 7e9366f7 | Iustin Pop | if cnt != 2: |
4609 | 7e9366f7 | Iustin Pop | raise errors.OpPrereqError("The iallocator and new node options can" |
4610 | 7e9366f7 | Iustin Pop | " be used only when changing the"
|
4611 | 7e9366f7 | Iustin Pop | " secondary node")
|
4612 | 7e9366f7 | Iustin Pop | |
4613 | 7e9366f7 | Iustin Pop | def ExpandNames(self): |
4614 | 7e9366f7 | Iustin Pop | self._ExpandAndLockInstance()
|
4615 | 7e9366f7 | Iustin Pop | |
4616 | 7e9366f7 | Iustin Pop | if self.op.iallocator is not None: |
4617 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
4618 | efd990e4 | Guido Trotter | elif self.op.remote_node is not None: |
4619 | efd990e4 | Guido Trotter | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
4620 | efd990e4 | Guido Trotter | if remote_node is None: |
4621 | efd990e4 | Guido Trotter | raise errors.OpPrereqError("Node '%s' not known" % |
4622 | efd990e4 | Guido Trotter | self.op.remote_node)
|
4623 | efd990e4 | Guido Trotter | self.op.remote_node = remote_node
|
4624 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = [remote_node]
|
4625 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
|
4626 | efd990e4 | Guido Trotter | else:
|
4627 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
4628 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4629 | efd990e4 | Guido Trotter | |
4630 | efd990e4 | Guido Trotter | def DeclareLocks(self, level): |
4631 | efd990e4 | Guido Trotter | # If we're not already locking all nodes in the set we have to declare the
|
4632 | efd990e4 | Guido Trotter | # instance's primary/secondary nodes.
|
4633 | efd990e4 | Guido Trotter | if (level == locking.LEVEL_NODE and |
4634 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET): |
4635 | efd990e4 | Guido Trotter | self._LockInstancesNodes()
|
4636 | a8083063 | Iustin Pop | |
4637 | b6e82a65 | Iustin Pop | def _RunAllocator(self): |
4638 | b6e82a65 | Iustin Pop | """Compute a new secondary node using an IAllocator.
|
4639 | b6e82a65 | Iustin Pop |
|
4640 | b6e82a65 | Iustin Pop | """
|
4641 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
4642 | b6e82a65 | Iustin Pop | mode=constants.IALLOCATOR_MODE_RELOC, |
4643 | b6e82a65 | Iustin Pop | name=self.op.instance_name,
|
4644 | b6e82a65 | Iustin Pop | relocate_from=[self.sec_node])
|
4645 | b6e82a65 | Iustin Pop | |
4646 | b6e82a65 | Iustin Pop | ial.Run(self.op.iallocator)
|
4647 | b6e82a65 | Iustin Pop | |
4648 | b6e82a65 | Iustin Pop | if not ial.success: |
4649 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
4650 | b6e82a65 | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
4651 | b6e82a65 | Iustin Pop | ial.info)) |
4652 | b6e82a65 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
4653 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
4654 | b6e82a65 | Iustin Pop | " of nodes (%s), required %s" %
|
4655 | b6e82a65 | Iustin Pop | (len(ial.nodes), ial.required_nodes))
|
4656 | b6e82a65 | Iustin Pop | self.op.remote_node = ial.nodes[0] |
4657 | 86d9d3bb | Iustin Pop | self.LogInfo("Selected new secondary for the instance: %s", |
4658 | 86d9d3bb | Iustin Pop | self.op.remote_node)
|
4659 | b6e82a65 | Iustin Pop | |
4660 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4661 | a8083063 | Iustin Pop | """Build hooks env.
|
4662 | a8083063 | Iustin Pop |
|
4663 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
4664 | a8083063 | Iustin Pop |
|
4665 | a8083063 | Iustin Pop | """
|
4666 | a8083063 | Iustin Pop | env = { |
4667 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
4668 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
4669 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.instance.secondary_nodes[0], |
4670 | a8083063 | Iustin Pop | } |
4671 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
4672 | 0834c866 | Iustin Pop | nl = [ |
4673 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
4674 | 0834c866 | Iustin Pop | self.instance.primary_node,
|
4675 | 0834c866 | Iustin Pop | ] |
4676 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
4677 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
4678 | a8083063 | Iustin Pop | return env, nl, nl
|
4679 | a8083063 | Iustin Pop | |
4680 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4681 | a8083063 | Iustin Pop | """Check prerequisites.
|
4682 | a8083063 | Iustin Pop |
|
4683 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
4684 | a8083063 | Iustin Pop |
|
4685 | a8083063 | Iustin Pop | """
|
4686 | efd990e4 | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4687 | efd990e4 | Guido Trotter | assert instance is not None, \ |
4688 | efd990e4 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4689 | a8083063 | Iustin Pop | self.instance = instance
|
4690 | a8083063 | Iustin Pop | |
4691 | 7e9366f7 | Iustin Pop | if instance.disk_template != constants.DT_DRBD8:
|
4692 | 7e9366f7 | Iustin Pop | raise errors.OpPrereqError("Can only run replace disks for DRBD8-based" |
4693 | 7e9366f7 | Iustin Pop | " instances")
|
4694 | a8083063 | Iustin Pop | |
4695 | a8083063 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
4696 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
4697 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
4698 | 3ecf6786 | Iustin Pop | len(instance.secondary_nodes))
|
4699 | a8083063 | Iustin Pop | |
4700 | a9e0c397 | Iustin Pop | self.sec_node = instance.secondary_nodes[0] |
4701 | a9e0c397 | Iustin Pop | |
4702 | 7e9366f7 | Iustin Pop | if self.op.iallocator is not None: |
4703 | de8c7666 | Guido Trotter | self._RunAllocator()
|
4704 | b6e82a65 | Iustin Pop | |
4705 | b6e82a65 | Iustin Pop | remote_node = self.op.remote_node
|
4706 | a9e0c397 | Iustin Pop | if remote_node is not None: |
4707 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
4708 | efd990e4 | Guido Trotter | assert self.remote_node_info is not None, \ |
4709 | efd990e4 | Guido Trotter | "Cannot retrieve locked node %s" % remote_node
|
4710 | a9e0c397 | Iustin Pop | else:
|
4711 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
4712 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
4713 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
4714 | 3ecf6786 | Iustin Pop | " the instance.")
|
4715 | a9e0c397 | Iustin Pop | elif remote_node == self.sec_node: |
4716 | 7e9366f7 | Iustin Pop | raise errors.OpPrereqError("The specified node is already the" |
4717 | 7e9366f7 | Iustin Pop | " secondary node of the instance.")
|
4718 | 7e9366f7 | Iustin Pop | |
4719 | 7e9366f7 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_PRI: |
4720 | 7e9366f7 | Iustin Pop | n1 = self.tgt_node = instance.primary_node
|
4721 | 7e9366f7 | Iustin Pop | n2 = self.oth_node = self.sec_node |
4722 | 7e9366f7 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_SEC: |
4723 | 7e9366f7 | Iustin Pop | n1 = self.tgt_node = self.sec_node |
4724 | 7e9366f7 | Iustin Pop | n2 = self.oth_node = instance.primary_node
|
4725 | 7e9366f7 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_CHG: |
4726 | 7e9366f7 | Iustin Pop | n1 = self.new_node = remote_node
|
4727 | 7e9366f7 | Iustin Pop | n2 = self.oth_node = instance.primary_node
|
4728 | 7e9366f7 | Iustin Pop | self.tgt_node = self.sec_node |
4729 | 7e9366f7 | Iustin Pop | else:
|
4730 | 7e9366f7 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replace mode") |
4731 | 7e9366f7 | Iustin Pop | |
4732 | 7e9366f7 | Iustin Pop | _CheckNodeOnline(self, n1)
|
4733 | 7e9366f7 | Iustin Pop | _CheckNodeOnline(self, n2)
|
4734 | a9e0c397 | Iustin Pop | |
4735 | 54155f52 | Iustin Pop | if not self.op.disks: |
4736 | 54155f52 | Iustin Pop | self.op.disks = range(len(instance.disks)) |
4737 | 54155f52 | Iustin Pop | |
4738 | 54155f52 | Iustin Pop | for disk_idx in self.op.disks: |
4739 | 3e0cea06 | Iustin Pop | instance.FindDisk(disk_idx) |
4740 | a8083063 | Iustin Pop | |
4741 | a9e0c397 | Iustin Pop | def _ExecD8DiskOnly(self, feedback_fn): |
4742 | a9e0c397 | Iustin Pop | """Replace a disk on the primary or secondary for dbrd8.
|
4743 | a9e0c397 | Iustin Pop |
|
4744 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
4745 | e4376078 | Iustin Pop |
|
4746 | e4376078 | Iustin Pop | 1. for each disk to be replaced:
|
4747 | e4376078 | Iustin Pop |
|
4748 | e4376078 | Iustin Pop | 1. create new LVs on the target node with unique names
|
4749 | e4376078 | Iustin Pop | 1. detach old LVs from the drbd device
|
4750 | e4376078 | Iustin Pop | 1. rename old LVs to name_replaced.<time_t>
|
4751 | e4376078 | Iustin Pop | 1. rename new LVs to old LVs
|
4752 | e4376078 | Iustin Pop | 1. attach the new LVs (with the old names now) to the drbd device
|
4753 | e4376078 | Iustin Pop |
|
4754 | e4376078 | Iustin Pop | 1. wait for sync across all devices
|
4755 | e4376078 | Iustin Pop |
|
4756 | e4376078 | Iustin Pop | 1. for each modified disk:
|
4757 | e4376078 | Iustin Pop |
|
4758 | e4376078 | Iustin Pop | 1. remove old LVs (which have the name name_replaces.<time_t>)
|
4759 | a9e0c397 | Iustin Pop |
|
4760 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
4761 | cff90b79 | Iustin Pop |
|
4762 | a9e0c397 | Iustin Pop | """
|
4763 | cff90b79 | Iustin Pop | steps_total = 6
|
4764 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
4765 | a9e0c397 | Iustin Pop | instance = self.instance
|
4766 | a9e0c397 | Iustin Pop | iv_names = {} |
4767 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4768 | a9e0c397 | Iustin Pop | # start of work
|
4769 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
4770 | a9e0c397 | Iustin Pop | tgt_node = self.tgt_node
|
4771 | cff90b79 | Iustin Pop | oth_node = self.oth_node
|
4772 | cff90b79 | Iustin Pop | |
4773 | cff90b79 | Iustin Pop | # Step: check device activation
|
4774 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
4775 | cff90b79 | Iustin Pop | info("checking volume groups")
|
4776 | cff90b79 | Iustin Pop | my_vg = cfg.GetVGName() |
4777 | 72737a7f | Iustin Pop | results = self.rpc.call_vg_list([oth_node, tgt_node])
|
4778 | cff90b79 | Iustin Pop | if not results: |
4779 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
4780 | cff90b79 | Iustin Pop | for node in oth_node, tgt_node: |
4781 | 781de953 | Iustin Pop | res = results[node] |
4782 | 781de953 | Iustin Pop | if res.failed or not res.data or my_vg not in res.data: |
4783 | cff90b79 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
4784 | cff90b79 | Iustin Pop | (my_vg, node)) |
4785 | 54155f52 | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4786 | 54155f52 | Iustin Pop | if idx not in self.op.disks: |
4787 | cff90b79 | Iustin Pop | continue
|
4788 | cff90b79 | Iustin Pop | for node in tgt_node, oth_node: |
4789 | 54155f52 | Iustin Pop | info("checking disk/%d on %s" % (idx, node))
|
4790 | cff90b79 | Iustin Pop | cfg.SetDiskID(dev, node) |
4791 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_find(node, dev): |
4792 | 54155f52 | Iustin Pop | raise errors.OpExecError("Can't find disk/%d on node %s" % |
4793 | 54155f52 | Iustin Pop | (idx, node)) |
4794 | cff90b79 | Iustin Pop | |
4795 | cff90b79 | Iustin Pop | # Step: check other node consistency
|
4796 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
4797 | 54155f52 | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4798 | 54155f52 | Iustin Pop | if idx not in self.op.disks: |
4799 | cff90b79 | Iustin Pop | continue
|
4800 | 54155f52 | Iustin Pop | info("checking disk/%d consistency on %s" % (idx, oth_node))
|
4801 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, oth_node, |
4802 | cff90b79 | Iustin Pop | oth_node==instance.primary_node): |
4803 | cff90b79 | Iustin Pop | raise errors.OpExecError("Peer node (%s) has degraded storage, unsafe" |
4804 | cff90b79 | Iustin Pop | " to replace disks on this node (%s)" %
|
4805 | cff90b79 | Iustin Pop | (oth_node, tgt_node)) |
4806 | cff90b79 | Iustin Pop | |
4807 | cff90b79 | Iustin Pop | # Step: create new storage
|
4808 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
4809 | 54155f52 | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4810 | 54155f52 | Iustin Pop | if idx not in self.op.disks: |
4811 | a9e0c397 | Iustin Pop | continue
|
4812 | a9e0c397 | Iustin Pop | size = dev.size |
4813 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, tgt_node) |
4814 | 54155f52 | Iustin Pop | lv_names = [".disk%d_%s" % (idx, suf)
|
4815 | 54155f52 | Iustin Pop | for suf in ["data", "meta"]] |
4816 | b9bddb6b | Iustin Pop | names = _GenerateUniqueNames(self, lv_names)
|
4817 | a9e0c397 | Iustin Pop | lv_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
4818 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
4819 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
4820 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
4821 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
4822 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
4823 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
4824 | cff90b79 | Iustin Pop | info("creating new local storage on %s for %s" %
|
4825 | cff90b79 | Iustin Pop | (tgt_node, dev.iv_name)) |
4826 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
4827 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
4828 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
4829 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
4830 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(self, tgt_node, instance, new_lv, |
4831 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
4832 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
4833 | a9e0c397 | Iustin Pop | " node '%s'" %
|
4834 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], tgt_node))
|
4835 | a9e0c397 | Iustin Pop | |
4836 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
4837 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "change drbd configuration") |
4838 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
4839 | cff90b79 | Iustin Pop | info("detaching %s drbd from local storage" % dev.iv_name)
|
4840 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_removechildren(tgt_node, dev, old_lvs)
|
4841 | 781de953 | Iustin Pop | result.Raise() |
4842 | 781de953 | Iustin Pop | if not result.data: |
4843 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Can't detach drbd from local storage on node" |
4844 | a9e0c397 | Iustin Pop | " %s for device %s" % (tgt_node, dev.iv_name))
|
4845 | cff90b79 | Iustin Pop | #dev.children = []
|
4846 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
4847 | a9e0c397 | Iustin Pop | |
4848 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
4849 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
4850 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
4851 | c99a3cc0 | Manuel Franceschini | # using the assumption that logical_id == physical_id (which in
|
4852 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
4853 | cff90b79 | Iustin Pop | |
4854 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
4855 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
4856 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
4857 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
4858 | cff90b79 | Iustin Pop | # build the rename list based on what LVs exist on the node
|
4859 | cff90b79 | Iustin Pop | rlist = [] |
4860 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
4861 | 72737a7f | Iustin Pop | find_res = self.rpc.call_blockdev_find(tgt_node, to_ren)
|
4862 | 781de953 | Iustin Pop | if not find_res.failed and find_res.data is not None: # device exists |
4863 | cff90b79 | Iustin Pop | rlist.append((to_ren, ren_fn(to_ren, temp_suffix))) |
4864 | cff90b79 | Iustin Pop | |
4865 | cff90b79 | Iustin Pop | info("renaming the old LVs on the target node")
|
4866 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_rename(tgt_node, rlist)
|
4867 | 781de953 | Iustin Pop | result.Raise() |
4868 | 781de953 | Iustin Pop | if not result.data: |
4869 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename old LVs on node %s" % tgt_node) |
4870 | a9e0c397 | Iustin Pop | # now we rename the new LVs to the old LVs
|
4871 | cff90b79 | Iustin Pop | info("renaming the new LVs on the target node")
|
4872 | a9e0c397 | Iustin Pop | rlist = [(new, old.physical_id) for old, new in zip(old_lvs, new_lvs)] |
4873 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_rename(tgt_node, rlist)
|
4874 | 781de953 | Iustin Pop | result.Raise() |
4875 | 781de953 | Iustin Pop | if not result.data: |
4876 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename new LVs on node %s" % tgt_node) |
4877 | cff90b79 | Iustin Pop | |
4878 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
4879 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
4880 | cff90b79 | Iustin Pop | cfg.SetDiskID(new, tgt_node) |
4881 | a9e0c397 | Iustin Pop | |
4882 | cff90b79 | Iustin Pop | for disk in old_lvs: |
4883 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
4884 | cff90b79 | Iustin Pop | cfg.SetDiskID(disk, tgt_node) |
4885 | a9e0c397 | Iustin Pop | |
4886 | a9e0c397 | Iustin Pop | # now that the new lvs have the old name, we can add them to the device
|
4887 | cff90b79 | Iustin Pop | info("adding new mirror component on %s" % tgt_node)
|
4888 | 4504c3d6 | Iustin Pop | result = self.rpc.call_blockdev_addchildren(tgt_node, dev, new_lvs)
|
4889 | 781de953 | Iustin Pop | if result.failed or not result.data: |
4890 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
4891 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_remove(tgt_node, new_lv)
|
4892 | 781de953 | Iustin Pop | if result.failed or not result.data: |
4893 | 79caa9ed | Guido Trotter | warning("Can't rollback device %s", hint="manually cleanup unused" |
4894 | cff90b79 | Iustin Pop | " logical volumes")
|
4895 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd") |
4896 | a9e0c397 | Iustin Pop | |
4897 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
4898 | a9e0c397 | Iustin Pop | cfg.Update(instance) |
4899 | a9e0c397 | Iustin Pop | |
4900 | cff90b79 | Iustin Pop | # Step: wait for sync
|
4901 | a9e0c397 | Iustin Pop | |
4902 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
4903 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
4904 | a9e0c397 | Iustin Pop | # return value
|
4905 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
4906 | b9bddb6b | Iustin Pop | _WaitForSync(self, instance, unlock=True) |
4907 | a9e0c397 | Iustin Pop | |
4908 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
4909 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
4910 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
4911 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_find(instance.primary_node, dev)
|
4912 | 781de953 | Iustin Pop | if result.failed or result.data[5]: |
4913 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
4914 | a9e0c397 | Iustin Pop | |
4915 | cff90b79 | Iustin Pop | # Step: remove old storage
|
4916 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
4917 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
4918 | cff90b79 | Iustin Pop | info("remove logical volumes for %s" % name)
|
4919 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
4920 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, tgt_node) |
4921 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_remove(tgt_node, lv)
|
4922 | 781de953 | Iustin Pop | if result.failed or not result.data: |
4923 | 79caa9ed | Guido Trotter | warning("Can't remove old LV", hint="manually remove unused LVs") |
4924 | a9e0c397 | Iustin Pop | continue
|
4925 | a9e0c397 | Iustin Pop | |
4926 | a9e0c397 | Iustin Pop | def _ExecD8Secondary(self, feedback_fn): |
4927 | a9e0c397 | Iustin Pop | """Replace the secondary node for drbd8.
|
4928 | a9e0c397 | Iustin Pop |
|
4929 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
4930 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
4931 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
4932 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
4933 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
4934 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
4935 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
4936 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
4937 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
4938 | a9e0c397 | Iustin Pop | not network enabled
|
4939 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
4940 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
4941 | a9e0c397 | Iustin Pop |
|
4942 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
4943 | 0834c866 | Iustin Pop |
|
4944 | a9e0c397 | Iustin Pop | """
|
4945 | 0834c866 | Iustin Pop | steps_total = 6
|
4946 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
4947 | a9e0c397 | Iustin Pop | instance = self.instance
|
4948 | a9e0c397 | Iustin Pop | iv_names = {} |
4949 | a9e0c397 | Iustin Pop | # start of work
|
4950 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
4951 | a9e0c397 | Iustin Pop | old_node = self.tgt_node
|
4952 | a9e0c397 | Iustin Pop | new_node = self.new_node
|
4953 | a9e0c397 | Iustin Pop | pri_node = instance.primary_node |
4954 | a2d59d8b | Iustin Pop | nodes_ip = { |
4955 | a2d59d8b | Iustin Pop | old_node: self.cfg.GetNodeInfo(old_node).secondary_ip,
|
4956 | a2d59d8b | Iustin Pop | new_node: self.cfg.GetNodeInfo(new_node).secondary_ip,
|
4957 | a2d59d8b | Iustin Pop | pri_node: self.cfg.GetNodeInfo(pri_node).secondary_ip,
|
4958 | a2d59d8b | Iustin Pop | } |
4959 | 0834c866 | Iustin Pop | |
4960 | 0834c866 | Iustin Pop | # Step: check device activation
|
4961 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
4962 | 0834c866 | Iustin Pop | info("checking volume groups")
|
4963 | 0834c866 | Iustin Pop | my_vg = cfg.GetVGName() |
4964 | 72737a7f | Iustin Pop | results = self.rpc.call_vg_list([pri_node, new_node])
|
4965 | 0834c866 | Iustin Pop | for node in pri_node, new_node: |
4966 | 781de953 | Iustin Pop | res = results[node] |
4967 | 781de953 | Iustin Pop | if res.failed or not res.data or my_vg not in res.data: |
4968 | 0834c866 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
4969 | 0834c866 | Iustin Pop | (my_vg, node)) |
4970 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4971 | d418ebfb | Iustin Pop | if idx not in self.op.disks: |
4972 | 0834c866 | Iustin Pop | continue
|
4973 | d418ebfb | Iustin Pop | info("checking disk/%d on %s" % (idx, pri_node))
|
4974 | 0834c866 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4975 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_find(pri_node, dev)
|
4976 | 781de953 | Iustin Pop | result.Raise() |
4977 | 781de953 | Iustin Pop | if not result.data: |
4978 | d418ebfb | Iustin Pop | raise errors.OpExecError("Can't find disk/%d on node %s" % |
4979 | d418ebfb | Iustin Pop | (idx, pri_node)) |
4980 | 0834c866 | Iustin Pop | |
4981 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
4982 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
4983 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4984 | d418ebfb | Iustin Pop | if idx not in self.op.disks: |
4985 | 0834c866 | Iustin Pop | continue
|
4986 | d418ebfb | Iustin Pop | info("checking disk/%d consistency on %s" % (idx, pri_node))
|
4987 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, pri_node, True, ldisk=True): |
4988 | 0834c866 | Iustin Pop | raise errors.OpExecError("Primary node (%s) has degraded storage," |
4989 | 0834c866 | Iustin Pop | " unsafe to replace the secondary" %
|
4990 | 0834c866 | Iustin Pop | pri_node) |
4991 | 0834c866 | Iustin Pop | |
4992 | 0834c866 | Iustin Pop | # Step: create new storage
|
4993 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
4994 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
4995 | d418ebfb | Iustin Pop | info("adding new local storage on %s for disk/%d" %
|
4996 | d418ebfb | Iustin Pop | (new_node, idx)) |
4997 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
4998 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
4999 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
5000 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
5001 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(self, new_node, instance, new_lv, |
5002 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
5003 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
5004 | a9e0c397 | Iustin Pop | " node '%s'" %
|
5005 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], new_node))
|
5006 | a9e0c397 | Iustin Pop | |
5007 | 468b46f9 | Iustin Pop | # Step 4: dbrd minors and drbd setups changes
|
5008 | a1578d63 | Iustin Pop | # after this, we must manually remove the drbd minors on both the
|
5009 | a1578d63 | Iustin Pop | # error and the success paths
|
5010 | a1578d63 | Iustin Pop | minors = cfg.AllocateDRBDMinor([new_node for dev in instance.disks], |
5011 | a1578d63 | Iustin Pop | instance.name) |
5012 | 468b46f9 | Iustin Pop | logging.debug("Allocated minors %s" % (minors,))
|
5013 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "changing drbd configuration") |
5014 | d418ebfb | Iustin Pop | for idx, (dev, new_minor) in enumerate(zip(instance.disks, minors)): |
5015 | 0834c866 | Iustin Pop | size = dev.size |
5016 | d418ebfb | Iustin Pop | info("activating a new drbd on %s for disk/%d" % (new_node, idx))
|
5017 | a2d59d8b | Iustin Pop | # create new devices on new_node; note that we create two IDs:
|
5018 | a2d59d8b | Iustin Pop | # one without port, so the drbd will be activated without
|
5019 | a2d59d8b | Iustin Pop | # networking information on the new node at this stage, and one
|
5020 | a2d59d8b | Iustin Pop | # with network, for the latter activation in step 4
|
5021 | a2d59d8b | Iustin Pop | (o_node1, o_node2, o_port, o_minor1, o_minor2, o_secret) = dev.logical_id |
5022 | a2d59d8b | Iustin Pop | if pri_node == o_node1:
|
5023 | a2d59d8b | Iustin Pop | p_minor = o_minor1 |
5024 | ffa1c0dc | Iustin Pop | else:
|
5025 | a2d59d8b | Iustin Pop | p_minor = o_minor2 |
5026 | a2d59d8b | Iustin Pop | |
5027 | a2d59d8b | Iustin Pop | new_alone_id = (pri_node, new_node, None, p_minor, new_minor, o_secret)
|
5028 | a2d59d8b | Iustin Pop | new_net_id = (pri_node, new_node, o_port, p_minor, new_minor, o_secret) |
5029 | a2d59d8b | Iustin Pop | |
5030 | a2d59d8b | Iustin Pop | iv_names[idx] = (dev, dev.children, new_net_id) |
5031 | a1578d63 | Iustin Pop | logging.debug("Allocated new_minor: %s, new_logical_id: %s", new_minor,
|
5032 | a2d59d8b | Iustin Pop | new_net_id) |
5033 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
5034 | a2d59d8b | Iustin Pop | logical_id=new_alone_id, |
5035 | a9e0c397 | Iustin Pop | children=dev.children) |
5036 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(self, new_node, instance, |
5037 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
5038 | b9bddb6b | Iustin Pop | _GetInstanceInfoText(instance)): |
5039 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
5040 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new DRBD on" |
5041 | a9e0c397 | Iustin Pop | " node '%s'" % new_node)
|
5042 | a9e0c397 | Iustin Pop | |
5043 | d418ebfb | Iustin Pop | for idx, dev in enumerate(instance.disks): |
5044 | a9e0c397 | Iustin Pop | # we have new devices, shutdown the drbd on the old secondary
|
5045 | d418ebfb | Iustin Pop | info("shutting down drbd for disk/%d on old node" % idx)
|
5046 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, old_node) |
5047 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_shutdown(old_node, dev)
|
5048 | 781de953 | Iustin Pop | if result.failed or not result.data: |
5049 | d418ebfb | Iustin Pop | warning("Failed to shutdown drbd for disk/%d on old node" % idx,
|
5050 | 79caa9ed | Guido Trotter | hint="Please cleanup this device manually as soon as possible")
|
5051 | a9e0c397 | Iustin Pop | |
5052 | 642445d9 | Iustin Pop | info("detaching primary drbds from the network (=> standalone)")
|
5053 | a2d59d8b | Iustin Pop | result = self.rpc.call_drbd_disconnect_net([pri_node], nodes_ip,
|
5054 | a2d59d8b | Iustin Pop | instance.disks)[pri_node] |
5055 | 642445d9 | Iustin Pop | |
5056 | a2d59d8b | Iustin Pop | msg = result.RemoteFailMsg() |
5057 | a2d59d8b | Iustin Pop | if msg:
|
5058 | a2d59d8b | Iustin Pop | # detaches didn't succeed (unlikely)
|
5059 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
5060 | a2d59d8b | Iustin Pop | raise errors.OpExecError("Can't detach the disks from the network on" |
5061 | a2d59d8b | Iustin Pop | " old node: %s" % (msg,))
|
5062 | 642445d9 | Iustin Pop | |
5063 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
5064 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
5065 | 642445d9 | Iustin Pop | info("updating instance configuration")
|
5066 | 468b46f9 | Iustin Pop | for dev, _, new_logical_id in iv_names.itervalues(): |
5067 | 468b46f9 | Iustin Pop | dev.logical_id = new_logical_id |
5068 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
5069 | 642445d9 | Iustin Pop | cfg.Update(instance) |
5070 | a1578d63 | Iustin Pop | # we can remove now the temp minors as now the new values are
|
5071 | a1578d63 | Iustin Pop | # written to the config file (and therefore stable)
|
5072 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
5073 | a9e0c397 | Iustin Pop | |
5074 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
5075 | 642445d9 | Iustin Pop | info("attaching primary drbds to new secondary (standalone => connected)")
|
5076 | a2d59d8b | Iustin Pop | result = self.rpc.call_drbd_attach_net([pri_node, new_node], nodes_ip,
|
5077 | a2d59d8b | Iustin Pop | instance.disks, instance.name, |
5078 | a2d59d8b | Iustin Pop | False)
|
5079 | a2d59d8b | Iustin Pop | for to_node, to_result in result.items(): |
5080 | a2d59d8b | Iustin Pop | msg = to_result.RemoteFailMsg() |
5081 | a2d59d8b | Iustin Pop | if msg:
|
5082 | a2d59d8b | Iustin Pop | warning("can't attach drbd disks on node %s: %s", to_node, msg,
|
5083 | a2d59d8b | Iustin Pop | hint="please do a gnt-instance info to see the"
|
5084 | a2d59d8b | Iustin Pop | " status of disks")
|
5085 | a9e0c397 | Iustin Pop | |
5086 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
5087 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
5088 | a9e0c397 | Iustin Pop | # return value
|
5089 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
5090 | b9bddb6b | Iustin Pop | _WaitForSync(self, instance, unlock=True) |
5091 | a9e0c397 | Iustin Pop | |
5092 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
5093 | d418ebfb | Iustin Pop | for idx, (dev, old_lvs, _) in iv_names.iteritems(): |
5094 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
5095 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_find(pri_node, dev)
|
5096 | 781de953 | Iustin Pop | result.Raise() |
5097 | 781de953 | Iustin Pop | if result.data[5]: |
5098 | d418ebfb | Iustin Pop | raise errors.OpExecError("DRBD device disk/%d is degraded!" % idx) |
5099 | a9e0c397 | Iustin Pop | |
5100 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
5101 | d418ebfb | Iustin Pop | for idx, (dev, old_lvs, _) in iv_names.iteritems(): |
5102 | d418ebfb | Iustin Pop | info("remove logical volumes for disk/%d" % idx)
|
5103 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
5104 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, old_node) |
5105 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_remove(old_node, lv)
|
5106 | 781de953 | Iustin Pop | if result.failed or not result.data: |
5107 | 0834c866 | Iustin Pop | warning("Can't remove LV on old secondary",
|
5108 | 79caa9ed | Guido Trotter | hint="Cleanup stale volumes by hand")
|
5109 | a9e0c397 | Iustin Pop | |
5110 | a9e0c397 | Iustin Pop | def Exec(self, feedback_fn): |
5111 | a9e0c397 | Iustin Pop | """Execute disk replacement.
|
5112 | a9e0c397 | Iustin Pop |
|
5113 | a9e0c397 | Iustin Pop | This dispatches the disk replacement to the appropriate handler.
|
5114 | a9e0c397 | Iustin Pop |
|
5115 | a9e0c397 | Iustin Pop | """
|
5116 | a9e0c397 | Iustin Pop | instance = self.instance
|
5117 | 22985314 | Guido Trotter | |
5118 | 22985314 | Guido Trotter | # Activate the instance disks if we're replacing them on a down instance
|
5119 | 22985314 | Guido Trotter | if instance.status == "down": |
5120 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, True) |
5121 | 22985314 | Guido Trotter | |
5122 | 7e9366f7 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_CHG: |
5123 | 7e9366f7 | Iustin Pop | fn = self._ExecD8Secondary
|
5124 | a9e0c397 | Iustin Pop | else:
|
5125 | 7e9366f7 | Iustin Pop | fn = self._ExecD8DiskOnly
|
5126 | 22985314 | Guido Trotter | |
5127 | 22985314 | Guido Trotter | ret = fn(feedback_fn) |
5128 | 22985314 | Guido Trotter | |
5129 | 22985314 | Guido Trotter | # Deactivate the instance disks if we're replacing them on a down instance
|
5130 | 22985314 | Guido Trotter | if instance.status == "down": |
5131 | b9bddb6b | Iustin Pop | _SafeShutdownInstanceDisks(self, instance)
|
5132 | 22985314 | Guido Trotter | |
5133 | 22985314 | Guido Trotter | return ret
|
5134 | a9e0c397 | Iustin Pop | |
5135 | a8083063 | Iustin Pop | |
5136 | 8729e0d7 | Iustin Pop | class LUGrowDisk(LogicalUnit): |
5137 | 8729e0d7 | Iustin Pop | """Grow a disk of an instance.
|
5138 | 8729e0d7 | Iustin Pop |
|
5139 | 8729e0d7 | Iustin Pop | """
|
5140 | 8729e0d7 | Iustin Pop | HPATH = "disk-grow"
|
5141 | 8729e0d7 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
5142 | 6605411d | Iustin Pop | _OP_REQP = ["instance_name", "disk", "amount", "wait_for_sync"] |
5143 | 31e63dbf | Guido Trotter | REQ_BGL = False
|
5144 | 31e63dbf | Guido Trotter | |
5145 | 31e63dbf | Guido Trotter | def ExpandNames(self): |
5146 | 31e63dbf | Guido Trotter | self._ExpandAndLockInstance()
|
5147 | 31e63dbf | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
5148 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
5149 | 31e63dbf | Guido Trotter | |
5150 | 31e63dbf | Guido Trotter | def DeclareLocks(self, level): |
5151 | 31e63dbf | Guido Trotter | if level == locking.LEVEL_NODE:
|
5152 | 31e63dbf | Guido Trotter | self._LockInstancesNodes()
|
5153 | 8729e0d7 | Iustin Pop | |
5154 | 8729e0d7 | Iustin Pop | def BuildHooksEnv(self): |
5155 | 8729e0d7 | Iustin Pop | """Build hooks env.
|
5156 | 8729e0d7 | Iustin Pop |
|
5157 | 8729e0d7 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
5158 | 8729e0d7 | Iustin Pop |
|
5159 | 8729e0d7 | Iustin Pop | """
|
5160 | 8729e0d7 | Iustin Pop | env = { |
5161 | 8729e0d7 | Iustin Pop | "DISK": self.op.disk, |
5162 | 8729e0d7 | Iustin Pop | "AMOUNT": self.op.amount, |
5163 | 8729e0d7 | Iustin Pop | } |
5164 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
5165 | 8729e0d7 | Iustin Pop | nl = [ |
5166 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
5167 | 8729e0d7 | Iustin Pop | self.instance.primary_node,
|
5168 | 8729e0d7 | Iustin Pop | ] |
5169 | 8729e0d7 | Iustin Pop | return env, nl, nl
|
5170 | 8729e0d7 | Iustin Pop | |
5171 | 8729e0d7 | Iustin Pop | def CheckPrereq(self): |
5172 | 8729e0d7 | Iustin Pop | """Check prerequisites.
|
5173 | 8729e0d7 | Iustin Pop |
|
5174 | 8729e0d7 | Iustin Pop | This checks that the instance is in the cluster.
|
5175 | 8729e0d7 | Iustin Pop |
|
5176 | 8729e0d7 | Iustin Pop | """
|
5177 | 31e63dbf | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
5178 | 31e63dbf | Guido Trotter | assert instance is not None, \ |
5179 | 31e63dbf | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
5180 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, instance.primary_node)
|
5181 | 7527a8a4 | Iustin Pop | for node in instance.secondary_nodes: |
5182 | 7527a8a4 | Iustin Pop | _CheckNodeOnline(self, node)
|
5183 | 7527a8a4 | Iustin Pop | |
5184 | 31e63dbf | Guido Trotter | |
5185 | 8729e0d7 | Iustin Pop | self.instance = instance
|
5186 | 8729e0d7 | Iustin Pop | |
5187 | 8729e0d7 | Iustin Pop | if instance.disk_template not in (constants.DT_PLAIN, constants.DT_DRBD8): |
5188 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout does not support" |
5189 | 8729e0d7 | Iustin Pop | " growing.")
|
5190 | 8729e0d7 | Iustin Pop | |
5191 | ad24e046 | Iustin Pop | self.disk = instance.FindDisk(self.op.disk) |
5192 | 8729e0d7 | Iustin Pop | |
5193 | 8729e0d7 | Iustin Pop | nodenames = [instance.primary_node] + list(instance.secondary_nodes)
|
5194 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
5195 | 72737a7f | Iustin Pop | instance.hypervisor) |
5196 | 8729e0d7 | Iustin Pop | for node in nodenames: |
5197 | 781de953 | Iustin Pop | info = nodeinfo[node] |
5198 | 781de953 | Iustin Pop | if info.failed or not info.data: |
5199 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
5200 | 8729e0d7 | Iustin Pop | " from node '%s'" % node)
|
5201 | 781de953 | Iustin Pop | vg_free = info.data.get('vg_free', None) |
5202 | 8729e0d7 | Iustin Pop | if not isinstance(vg_free, int): |
5203 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
5204 | 8729e0d7 | Iustin Pop | " node %s" % node)
|
5205 | 781de953 | Iustin Pop | if self.op.amount > vg_free: |
5206 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s:" |
5207 | 8729e0d7 | Iustin Pop | " %d MiB available, %d MiB required" %
|
5208 | 781de953 | Iustin Pop | (node, vg_free, self.op.amount))
|
5209 | 8729e0d7 | Iustin Pop | |
5210 | 8729e0d7 | Iustin Pop | def Exec(self, feedback_fn): |
5211 | 8729e0d7 | Iustin Pop | """Execute disk grow.
|
5212 | 8729e0d7 | Iustin Pop |
|
5213 | 8729e0d7 | Iustin Pop | """
|
5214 | 8729e0d7 | Iustin Pop | instance = self.instance
|
5215 | ad24e046 | Iustin Pop | disk = self.disk
|
5216 | 8729e0d7 | Iustin Pop | for node in (instance.secondary_nodes + (instance.primary_node,)): |
5217 | 8729e0d7 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
5218 | 72737a7f | Iustin Pop | result = self.rpc.call_blockdev_grow(node, disk, self.op.amount) |
5219 | 781de953 | Iustin Pop | result.Raise() |
5220 | 781de953 | Iustin Pop | if (not result.data or not isinstance(result.data, (list, tuple)) or |
5221 | 781de953 | Iustin Pop | len(result.data) != 2): |
5222 | 781de953 | Iustin Pop | raise errors.OpExecError("Grow request failed to node %s" % node) |
5223 | 781de953 | Iustin Pop | elif not result.data[0]: |
5224 | 781de953 | Iustin Pop | raise errors.OpExecError("Grow request failed to node %s: %s" % |
5225 | 781de953 | Iustin Pop | (node, result.data[1]))
|
5226 | 8729e0d7 | Iustin Pop | disk.RecordGrow(self.op.amount)
|
5227 | 8729e0d7 | Iustin Pop | self.cfg.Update(instance)
|
5228 | 6605411d | Iustin Pop | if self.op.wait_for_sync: |
5229 | cd4d138f | Guido Trotter | disk_abort = not _WaitForSync(self, instance) |
5230 | 6605411d | Iustin Pop | if disk_abort:
|
5231 | 86d9d3bb | Iustin Pop | self.proc.LogWarning("Warning: disk sync-ing has not returned a good" |
5232 | 86d9d3bb | Iustin Pop | " status.\nPlease check the instance.")
|
5233 | 8729e0d7 | Iustin Pop | |
5234 | 8729e0d7 | Iustin Pop | |
5235 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
5236 | a8083063 | Iustin Pop | """Query runtime instance data.
|
5237 | a8083063 | Iustin Pop |
|
5238 | a8083063 | Iustin Pop | """
|
5239 | 57821cac | Iustin Pop | _OP_REQP = ["instances", "static"] |
5240 | a987fa48 | Guido Trotter | REQ_BGL = False
|
5241 | ae5849b5 | Michael Hanselmann | |
5242 | a987fa48 | Guido Trotter | def ExpandNames(self): |
5243 | a987fa48 | Guido Trotter | self.needed_locks = {}
|
5244 | a987fa48 | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
5245 | a987fa48 | Guido Trotter | |
5246 | a987fa48 | Guido Trotter | if not isinstance(self.op.instances, list): |
5247 | a987fa48 | Guido Trotter | raise errors.OpPrereqError("Invalid argument type 'instances'") |
5248 | a987fa48 | Guido Trotter | |
5249 | a987fa48 | Guido Trotter | if self.op.instances: |
5250 | a987fa48 | Guido Trotter | self.wanted_names = []
|
5251 | a987fa48 | Guido Trotter | for name in self.op.instances: |
5252 | a987fa48 | Guido Trotter | full_name = self.cfg.ExpandInstanceName(name)
|
5253 | a987fa48 | Guido Trotter | if full_name is None: |
5254 | f57c76e4 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % name) |
5255 | a987fa48 | Guido Trotter | self.wanted_names.append(full_name)
|
5256 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted_names |
5257 | a987fa48 | Guido Trotter | else:
|
5258 | a987fa48 | Guido Trotter | self.wanted_names = None |
5259 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = locking.ALL_SET
|
5260 | a987fa48 | Guido Trotter | |
5261 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
5262 | a987fa48 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
5263 | a987fa48 | Guido Trotter | |
5264 | a987fa48 | Guido Trotter | def DeclareLocks(self, level): |
5265 | a987fa48 | Guido Trotter | if level == locking.LEVEL_NODE:
|
5266 | a987fa48 | Guido Trotter | self._LockInstancesNodes()
|
5267 | a8083063 | Iustin Pop | |
5268 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5269 | a8083063 | Iustin Pop | """Check prerequisites.
|
5270 | a8083063 | Iustin Pop |
|
5271 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
5272 | a8083063 | Iustin Pop |
|
5273 | a8083063 | Iustin Pop | """
|
5274 | a987fa48 | Guido Trotter | if self.wanted_names is None: |
5275 | a987fa48 | Guido Trotter | self.wanted_names = self.acquired_locks[locking.LEVEL_INSTANCE] |
5276 | a8083063 | Iustin Pop | |
5277 | a987fa48 | Guido Trotter | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
5278 | a987fa48 | Guido Trotter | in self.wanted_names] |
5279 | a987fa48 | Guido Trotter | return
|
5280 | a8083063 | Iustin Pop | |
5281 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
5282 | a8083063 | Iustin Pop | """Compute block device status.
|
5283 | a8083063 | Iustin Pop |
|
5284 | a8083063 | Iustin Pop | """
|
5285 | 57821cac | Iustin Pop | static = self.op.static
|
5286 | 57821cac | Iustin Pop | if not static: |
5287 | 57821cac | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
5288 | 57821cac | Iustin Pop | dev_pstatus = self.rpc.call_blockdev_find(instance.primary_node, dev)
|
5289 | 781de953 | Iustin Pop | dev_pstatus.Raise() |
5290 | 781de953 | Iustin Pop | dev_pstatus = dev_pstatus.data |
5291 | 57821cac | Iustin Pop | else:
|
5292 | 57821cac | Iustin Pop | dev_pstatus = None
|
5293 | 57821cac | Iustin Pop | |
5294 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
5295 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
5296 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
5297 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
5298 | a8083063 | Iustin Pop | else:
|
5299 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
5300 | a8083063 | Iustin Pop | |
5301 | 57821cac | Iustin Pop | if snode and not static: |
5302 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
5303 | 72737a7f | Iustin Pop | dev_sstatus = self.rpc.call_blockdev_find(snode, dev)
|
5304 | 781de953 | Iustin Pop | dev_sstatus.Raise() |
5305 | 781de953 | Iustin Pop | dev_sstatus = dev_sstatus.data |
5306 | a8083063 | Iustin Pop | else:
|
5307 | a8083063 | Iustin Pop | dev_sstatus = None
|
5308 | a8083063 | Iustin Pop | |
5309 | a8083063 | Iustin Pop | if dev.children:
|
5310 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
5311 | a8083063 | Iustin Pop | for child in dev.children] |
5312 | a8083063 | Iustin Pop | else:
|
5313 | a8083063 | Iustin Pop | dev_children = [] |
5314 | a8083063 | Iustin Pop | |
5315 | a8083063 | Iustin Pop | data = { |
5316 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
5317 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
5318 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
5319 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
5320 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
5321 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
5322 | a8083063 | Iustin Pop | "children": dev_children,
|
5323 | b6fdf8b8 | Iustin Pop | "mode": dev.mode,
|
5324 | a8083063 | Iustin Pop | } |
5325 | a8083063 | Iustin Pop | |
5326 | a8083063 | Iustin Pop | return data
|
5327 | a8083063 | Iustin Pop | |
5328 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
5329 | a8083063 | Iustin Pop | """Gather and return data"""
|
5330 | a8083063 | Iustin Pop | result = {} |
5331 | 338e51e8 | Iustin Pop | |
5332 | 338e51e8 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
5333 | 338e51e8 | Iustin Pop | |
5334 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
5335 | 57821cac | Iustin Pop | if not self.op.static: |
5336 | 57821cac | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
5337 | 57821cac | Iustin Pop | instance.name, |
5338 | 57821cac | Iustin Pop | instance.hypervisor) |
5339 | 781de953 | Iustin Pop | remote_info.Raise() |
5340 | 781de953 | Iustin Pop | remote_info = remote_info.data |
5341 | 57821cac | Iustin Pop | if remote_info and "state" in remote_info: |
5342 | 57821cac | Iustin Pop | remote_state = "up"
|
5343 | 57821cac | Iustin Pop | else:
|
5344 | 57821cac | Iustin Pop | remote_state = "down"
|
5345 | a8083063 | Iustin Pop | else:
|
5346 | 57821cac | Iustin Pop | remote_state = None
|
5347 | a8083063 | Iustin Pop | if instance.status == "down": |
5348 | a8083063 | Iustin Pop | config_state = "down"
|
5349 | a8083063 | Iustin Pop | else:
|
5350 | a8083063 | Iustin Pop | config_state = "up"
|
5351 | a8083063 | Iustin Pop | |
5352 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
5353 | a8083063 | Iustin Pop | for device in instance.disks] |
5354 | a8083063 | Iustin Pop | |
5355 | a8083063 | Iustin Pop | idict = { |
5356 | a8083063 | Iustin Pop | "name": instance.name,
|
5357 | a8083063 | Iustin Pop | "config_state": config_state,
|
5358 | a8083063 | Iustin Pop | "run_state": remote_state,
|
5359 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
5360 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
5361 | a8083063 | Iustin Pop | "os": instance.os,
|
5362 | a8083063 | Iustin Pop | "nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics], |
5363 | a8083063 | Iustin Pop | "disks": disks,
|
5364 | e69d05fd | Iustin Pop | "hypervisor": instance.hypervisor,
|
5365 | 24838135 | Iustin Pop | "network_port": instance.network_port,
|
5366 | 24838135 | Iustin Pop | "hv_instance": instance.hvparams,
|
5367 | 338e51e8 | Iustin Pop | "hv_actual": cluster.FillHV(instance),
|
5368 | 338e51e8 | Iustin Pop | "be_instance": instance.beparams,
|
5369 | 338e51e8 | Iustin Pop | "be_actual": cluster.FillBE(instance),
|
5370 | a8083063 | Iustin Pop | } |
5371 | a8083063 | Iustin Pop | |
5372 | a8083063 | Iustin Pop | result[instance.name] = idict |
5373 | a8083063 | Iustin Pop | |
5374 | a8083063 | Iustin Pop | return result
|
5375 | a8083063 | Iustin Pop | |
5376 | a8083063 | Iustin Pop | |
5377 | 7767bbf5 | Manuel Franceschini | class LUSetInstanceParams(LogicalUnit): |
5378 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
5379 | a8083063 | Iustin Pop |
|
5380 | a8083063 | Iustin Pop | """
|
5381 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
5382 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
5383 | 24991749 | Iustin Pop | _OP_REQP = ["instance_name"]
|
5384 | 1a5c7281 | Guido Trotter | REQ_BGL = False
|
5385 | 1a5c7281 | Guido Trotter | |
5386 | 24991749 | Iustin Pop | def CheckArguments(self): |
5387 | 24991749 | Iustin Pop | if not hasattr(self.op, 'nics'): |
5388 | 24991749 | Iustin Pop | self.op.nics = []
|
5389 | 24991749 | Iustin Pop | if not hasattr(self.op, 'disks'): |
5390 | 24991749 | Iustin Pop | self.op.disks = []
|
5391 | 24991749 | Iustin Pop | if not hasattr(self.op, 'beparams'): |
5392 | 24991749 | Iustin Pop | self.op.beparams = {}
|
5393 | 24991749 | Iustin Pop | if not hasattr(self.op, 'hvparams'): |
5394 | 24991749 | Iustin Pop | self.op.hvparams = {}
|
5395 | 24991749 | Iustin Pop | self.op.force = getattr(self.op, "force", False) |
5396 | 24991749 | Iustin Pop | if not (self.op.nics or self.op.disks or |
5397 | 24991749 | Iustin Pop | self.op.hvparams or self.op.beparams): |
5398 | 24991749 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
5399 | 24991749 | Iustin Pop | |
5400 | d4b72030 | Guido Trotter | utils.CheckBEParams(self.op.beparams)
|
5401 | d4b72030 | Guido Trotter | |
5402 | 24991749 | Iustin Pop | # Disk validation
|
5403 | 24991749 | Iustin Pop | disk_addremove = 0
|
5404 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
5405 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
5406 | 24991749 | Iustin Pop | disk_addremove += 1
|
5407 | 24991749 | Iustin Pop | continue
|
5408 | 24991749 | Iustin Pop | elif disk_op == constants.DDM_ADD:
|
5409 | 24991749 | Iustin Pop | disk_addremove += 1
|
5410 | 24991749 | Iustin Pop | else:
|
5411 | 24991749 | Iustin Pop | if not isinstance(disk_op, int): |
5412 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index") |
5413 | 24991749 | Iustin Pop | if disk_op == constants.DDM_ADD:
|
5414 | 24991749 | Iustin Pop | mode = disk_dict.setdefault('mode', constants.DISK_RDWR)
|
5415 | 24991749 | Iustin Pop | if mode not in (constants.DISK_RDONLY, constants.DISK_RDWR): |
5416 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk access mode '%s'" % mode) |
5417 | 24991749 | Iustin Pop | size = disk_dict.get('size', None) |
5418 | 24991749 | Iustin Pop | if size is None: |
5419 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Required disk parameter size missing") |
5420 | 24991749 | Iustin Pop | try:
|
5421 | 24991749 | Iustin Pop | size = int(size)
|
5422 | 24991749 | Iustin Pop | except ValueError, err: |
5423 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk size parameter: %s" % |
5424 | 24991749 | Iustin Pop | str(err))
|
5425 | 24991749 | Iustin Pop | disk_dict['size'] = size
|
5426 | 24991749 | Iustin Pop | else:
|
5427 | 24991749 | Iustin Pop | # modification of disk
|
5428 | 24991749 | Iustin Pop | if 'size' in disk_dict: |
5429 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Disk size change not possible, use" |
5430 | 24991749 | Iustin Pop | " grow-disk")
|
5431 | 24991749 | Iustin Pop | |
5432 | 24991749 | Iustin Pop | if disk_addremove > 1: |
5433 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Only one disk add or remove operation" |
5434 | 24991749 | Iustin Pop | " supported at a time")
|
5435 | 24991749 | Iustin Pop | |
5436 | 24991749 | Iustin Pop | # NIC validation
|
5437 | 24991749 | Iustin Pop | nic_addremove = 0
|
5438 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
5439 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
5440 | 24991749 | Iustin Pop | nic_addremove += 1
|
5441 | 24991749 | Iustin Pop | continue
|
5442 | 24991749 | Iustin Pop | elif nic_op == constants.DDM_ADD:
|
5443 | 24991749 | Iustin Pop | nic_addremove += 1
|
5444 | 24991749 | Iustin Pop | else:
|
5445 | 24991749 | Iustin Pop | if not isinstance(nic_op, int): |
5446 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid nic index") |
5447 | 24991749 | Iustin Pop | |
5448 | 24991749 | Iustin Pop | # nic_dict should be a dict
|
5449 | 24991749 | Iustin Pop | nic_ip = nic_dict.get('ip', None) |
5450 | 24991749 | Iustin Pop | if nic_ip is not None: |
5451 | 24991749 | Iustin Pop | if nic_ip.lower() == "none": |
5452 | 24991749 | Iustin Pop | nic_dict['ip'] = None |
5453 | 24991749 | Iustin Pop | else:
|
5454 | 24991749 | Iustin Pop | if not utils.IsValidIP(nic_ip): |
5455 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'" % nic_ip) |
5456 | 24991749 | Iustin Pop | # we can only check None bridges and assign the default one
|
5457 | 24991749 | Iustin Pop | nic_bridge = nic_dict.get('bridge', None) |
5458 | 24991749 | Iustin Pop | if nic_bridge is None: |
5459 | 24991749 | Iustin Pop | nic_dict['bridge'] = self.cfg.GetDefBridge() |
5460 | 24991749 | Iustin Pop | # but we can validate MACs
|
5461 | 24991749 | Iustin Pop | nic_mac = nic_dict.get('mac', None) |
5462 | 24991749 | Iustin Pop | if nic_mac is not None: |
5463 | 24991749 | Iustin Pop | if self.cfg.IsMacInUse(nic_mac): |
5464 | 24991749 | Iustin Pop | raise errors.OpPrereqError("MAC address %s already in use" |
5465 | 24991749 | Iustin Pop | " in cluster" % nic_mac)
|
5466 | 24991749 | Iustin Pop | if nic_mac not in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
5467 | 24991749 | Iustin Pop | if not utils.IsValidMac(nic_mac): |
5468 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid MAC address %s" % nic_mac) |
5469 | 24991749 | Iustin Pop | if nic_addremove > 1: |
5470 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Only one NIC add or remove operation" |
5471 | 24991749 | Iustin Pop | " supported at a time")
|
5472 | 24991749 | Iustin Pop | |
5473 | 1a5c7281 | Guido Trotter | def ExpandNames(self): |
5474 | 1a5c7281 | Guido Trotter | self._ExpandAndLockInstance()
|
5475 | 74409b12 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
5476 | 74409b12 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
5477 | 74409b12 | Iustin Pop | |
5478 | 74409b12 | Iustin Pop | def DeclareLocks(self, level): |
5479 | 74409b12 | Iustin Pop | if level == locking.LEVEL_NODE:
|
5480 | 74409b12 | Iustin Pop | self._LockInstancesNodes()
|
5481 | a8083063 | Iustin Pop | |
5482 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
5483 | a8083063 | Iustin Pop | """Build hooks env.
|
5484 | a8083063 | Iustin Pop |
|
5485 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
5486 | a8083063 | Iustin Pop |
|
5487 | a8083063 | Iustin Pop | """
|
5488 | 396e1b78 | Michael Hanselmann | args = dict()
|
5489 | 338e51e8 | Iustin Pop | if constants.BE_MEMORY in self.be_new: |
5490 | 338e51e8 | Iustin Pop | args['memory'] = self.be_new[constants.BE_MEMORY] |
5491 | 338e51e8 | Iustin Pop | if constants.BE_VCPUS in self.be_new: |
5492 | 61be6ba4 | Iustin Pop | args['vcpus'] = self.be_new[constants.BE_VCPUS] |
5493 | 24991749 | Iustin Pop | # FIXME: readd disk/nic changes
|
5494 | 338e51e8 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self, self.instance, override=args) |
5495 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode(),
|
5496 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
5497 | a8083063 | Iustin Pop | return env, nl, nl
|
5498 | a8083063 | Iustin Pop | |
5499 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5500 | a8083063 | Iustin Pop | """Check prerequisites.
|
5501 | a8083063 | Iustin Pop |
|
5502 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
5503 | a8083063 | Iustin Pop |
|
5504 | a8083063 | Iustin Pop | """
|
5505 | 24991749 | Iustin Pop | force = self.force = self.op.force |
5506 | a8083063 | Iustin Pop | |
5507 | 74409b12 | Iustin Pop | # checking the new params on the primary/secondary nodes
|
5508 | 31a853d2 | Iustin Pop | |
5509 | cfefe007 | Guido Trotter | instance = self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
5510 | 1a5c7281 | Guido Trotter | assert self.instance is not None, \ |
5511 | 1a5c7281 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
5512 | 74409b12 | Iustin Pop | pnode = self.instance.primary_node
|
5513 | 74409b12 | Iustin Pop | nodelist = [pnode] |
5514 | 74409b12 | Iustin Pop | nodelist.extend(instance.secondary_nodes) |
5515 | 74409b12 | Iustin Pop | |
5516 | 338e51e8 | Iustin Pop | # hvparams processing
|
5517 | 74409b12 | Iustin Pop | if self.op.hvparams: |
5518 | 74409b12 | Iustin Pop | i_hvdict = copy.deepcopy(instance.hvparams) |
5519 | 74409b12 | Iustin Pop | for key, val in self.op.hvparams.iteritems(): |
5520 | 8edcd611 | Guido Trotter | if val == constants.VALUE_DEFAULT:
|
5521 | 74409b12 | Iustin Pop | try:
|
5522 | 74409b12 | Iustin Pop | del i_hvdict[key]
|
5523 | 74409b12 | Iustin Pop | except KeyError: |
5524 | 74409b12 | Iustin Pop | pass
|
5525 | 8edcd611 | Guido Trotter | elif val == constants.VALUE_NONE:
|
5526 | 8edcd611 | Guido Trotter | i_hvdict[key] = None
|
5527 | 74409b12 | Iustin Pop | else:
|
5528 | 74409b12 | Iustin Pop | i_hvdict[key] = val |
5529 | 74409b12 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
5530 | 74409b12 | Iustin Pop | hv_new = cluster.FillDict(cluster.hvparams[instance.hypervisor], |
5531 | 74409b12 | Iustin Pop | i_hvdict) |
5532 | 74409b12 | Iustin Pop | # local check
|
5533 | 74409b12 | Iustin Pop | hypervisor.GetHypervisor( |
5534 | 74409b12 | Iustin Pop | instance.hypervisor).CheckParameterSyntax(hv_new) |
5535 | 74409b12 | Iustin Pop | _CheckHVParams(self, nodelist, instance.hypervisor, hv_new)
|
5536 | 338e51e8 | Iustin Pop | self.hv_new = hv_new # the new actual values |
5537 | 338e51e8 | Iustin Pop | self.hv_inst = i_hvdict # the new dict (without defaults) |
5538 | 338e51e8 | Iustin Pop | else:
|
5539 | 338e51e8 | Iustin Pop | self.hv_new = self.hv_inst = {} |
5540 | 338e51e8 | Iustin Pop | |
5541 | 338e51e8 | Iustin Pop | # beparams processing
|
5542 | 338e51e8 | Iustin Pop | if self.op.beparams: |
5543 | 338e51e8 | Iustin Pop | i_bedict = copy.deepcopy(instance.beparams) |
5544 | 338e51e8 | Iustin Pop | for key, val in self.op.beparams.iteritems(): |
5545 | 8edcd611 | Guido Trotter | if val == constants.VALUE_DEFAULT:
|
5546 | 338e51e8 | Iustin Pop | try:
|
5547 | 338e51e8 | Iustin Pop | del i_bedict[key]
|
5548 | 338e51e8 | Iustin Pop | except KeyError: |
5549 | 338e51e8 | Iustin Pop | pass
|
5550 | 338e51e8 | Iustin Pop | else:
|
5551 | 338e51e8 | Iustin Pop | i_bedict[key] = val |
5552 | 338e51e8 | Iustin Pop | cluster = self.cfg.GetClusterInfo()
|
5553 | 338e51e8 | Iustin Pop | be_new = cluster.FillDict(cluster.beparams[constants.BEGR_DEFAULT], |
5554 | 338e51e8 | Iustin Pop | i_bedict) |
5555 | 338e51e8 | Iustin Pop | self.be_new = be_new # the new actual values |
5556 | 338e51e8 | Iustin Pop | self.be_inst = i_bedict # the new dict (without defaults) |
5557 | 338e51e8 | Iustin Pop | else:
|
5558 | b637ae4d | Iustin Pop | self.be_new = self.be_inst = {} |
5559 | 74409b12 | Iustin Pop | |
5560 | cfefe007 | Guido Trotter | self.warn = []
|
5561 | 647a5d80 | Iustin Pop | |
5562 | 338e51e8 | Iustin Pop | if constants.BE_MEMORY in self.op.beparams and not self.force: |
5563 | 647a5d80 | Iustin Pop | mem_check_list = [pnode] |
5564 | c0f2b229 | Iustin Pop | if be_new[constants.BE_AUTO_BALANCE]:
|
5565 | c0f2b229 | Iustin Pop | # either we changed auto_balance to yes or it was from before
|
5566 | 647a5d80 | Iustin Pop | mem_check_list.extend(instance.secondary_nodes) |
5567 | 72737a7f | Iustin Pop | instance_info = self.rpc.call_instance_info(pnode, instance.name,
|
5568 | 72737a7f | Iustin Pop | instance.hypervisor) |
5569 | 647a5d80 | Iustin Pop | nodeinfo = self.rpc.call_node_info(mem_check_list, self.cfg.GetVGName(), |
5570 | 72737a7f | Iustin Pop | instance.hypervisor) |
5571 | 781de953 | Iustin Pop | if nodeinfo[pnode].failed or not isinstance(nodeinfo[pnode].data, dict): |
5572 | cfefe007 | Guido Trotter | # Assume the primary node is unreachable and go ahead
|
5573 | cfefe007 | Guido Trotter | self.warn.append("Can't get info from primary node %s" % pnode) |
5574 | cfefe007 | Guido Trotter | else:
|
5575 | 781de953 | Iustin Pop | if not instance_info.failed and instance_info.data: |
5576 | 781de953 | Iustin Pop | current_mem = instance_info.data['memory']
|
5577 | cfefe007 | Guido Trotter | else:
|
5578 | cfefe007 | Guido Trotter | # Assume instance not running
|
5579 | cfefe007 | Guido Trotter | # (there is a slight race condition here, but it's not very probable,
|
5580 | cfefe007 | Guido Trotter | # and we have no other way to check)
|
5581 | cfefe007 | Guido Trotter | current_mem = 0
|
5582 | 338e51e8 | Iustin Pop | miss_mem = (be_new[constants.BE_MEMORY] - current_mem - |
5583 | 781de953 | Iustin Pop | nodeinfo[pnode].data['memory_free'])
|
5584 | cfefe007 | Guido Trotter | if miss_mem > 0: |
5585 | cfefe007 | Guido Trotter | raise errors.OpPrereqError("This change will prevent the instance" |
5586 | cfefe007 | Guido Trotter | " from starting, due to %d MB of memory"
|
5587 | cfefe007 | Guido Trotter | " missing on its primary node" % miss_mem)
|
5588 | cfefe007 | Guido Trotter | |
5589 | c0f2b229 | Iustin Pop | if be_new[constants.BE_AUTO_BALANCE]:
|
5590 | ea33068f | Iustin Pop | for node, nres in nodeinfo.iteritems(): |
5591 | ea33068f | Iustin Pop | if node not in instance.secondary_nodes: |
5592 | ea33068f | Iustin Pop | continue
|
5593 | 781de953 | Iustin Pop | if nres.failed or not isinstance(nres.data, dict): |
5594 | 647a5d80 | Iustin Pop | self.warn.append("Can't get info from secondary node %s" % node) |
5595 | 781de953 | Iustin Pop | elif be_new[constants.BE_MEMORY] > nres.data['memory_free']: |
5596 | 647a5d80 | Iustin Pop | self.warn.append("Not enough memory to failover instance to" |
5597 | 647a5d80 | Iustin Pop | " secondary node %s" % node)
|
5598 | 5bc84f33 | Alexander Schreiber | |
5599 | 24991749 | Iustin Pop | # NIC processing
|
5600 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
5601 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
5602 | 24991749 | Iustin Pop | if not instance.nics: |
5603 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance has no NICs, cannot remove") |
5604 | 24991749 | Iustin Pop | continue
|
5605 | 24991749 | Iustin Pop | if nic_op != constants.DDM_ADD:
|
5606 | 24991749 | Iustin Pop | # an existing nic
|
5607 | 24991749 | Iustin Pop | if nic_op < 0 or nic_op >= len(instance.nics): |
5608 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid NIC index %s, valid values" |
5609 | 24991749 | Iustin Pop | " are 0 to %d" %
|
5610 | 24991749 | Iustin Pop | (nic_op, len(instance.nics)))
|
5611 | 24991749 | Iustin Pop | nic_bridge = nic_dict.get('bridge', None) |
5612 | 24991749 | Iustin Pop | if nic_bridge is not None: |
5613 | 24991749 | Iustin Pop | if not self.rpc.call_bridges_exist(pnode, [nic_bridge]): |
5614 | 24991749 | Iustin Pop | msg = ("Bridge '%s' doesn't exist on one of"
|
5615 | 24991749 | Iustin Pop | " the instance nodes" % nic_bridge)
|
5616 | 24991749 | Iustin Pop | if self.force: |
5617 | 24991749 | Iustin Pop | self.warn.append(msg)
|
5618 | 24991749 | Iustin Pop | else:
|
5619 | 24991749 | Iustin Pop | raise errors.OpPrereqError(msg)
|
5620 | 24991749 | Iustin Pop | |
5621 | 24991749 | Iustin Pop | # DISK processing
|
5622 | 24991749 | Iustin Pop | if self.op.disks and instance.disk_template == constants.DT_DISKLESS: |
5623 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Disk operations not supported for" |
5624 | 24991749 | Iustin Pop | " diskless instances")
|
5625 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
5626 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
5627 | 24991749 | Iustin Pop | if len(instance.disks) == 1: |
5628 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Cannot remove the last disk of" |
5629 | 24991749 | Iustin Pop | " an instance")
|
5630 | 24991749 | Iustin Pop | ins_l = self.rpc.call_instance_list([pnode], [instance.hypervisor])
|
5631 | 24991749 | Iustin Pop | ins_l = ins_l[pnode] |
5632 | 4cfb9426 | Iustin Pop | if ins_l.failed or not isinstance(ins_l.data, list): |
5633 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Can't contact node '%s'" % pnode) |
5634 | 4cfb9426 | Iustin Pop | if instance.name in ins_l.data: |
5635 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance is running, can't remove" |
5636 | 24991749 | Iustin Pop | " disks.")
|
5637 | 24991749 | Iustin Pop | |
5638 | 24991749 | Iustin Pop | if (disk_op == constants.DDM_ADD and |
5639 | 24991749 | Iustin Pop | len(instance.nics) >= constants.MAX_DISKS):
|
5640 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Instance has too many disks (%d), cannot" |
5641 | 24991749 | Iustin Pop | " add more" % constants.MAX_DISKS)
|
5642 | 24991749 | Iustin Pop | if disk_op not in (constants.DDM_ADD, constants.DDM_REMOVE): |
5643 | 24991749 | Iustin Pop | # an existing disk
|
5644 | 24991749 | Iustin Pop | if disk_op < 0 or disk_op >= len(instance.disks): |
5645 | 24991749 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index %s, valid values" |
5646 | 24991749 | Iustin Pop | " are 0 to %d" %
|
5647 | 24991749 | Iustin Pop | (disk_op, len(instance.disks)))
|
5648 | 24991749 | Iustin Pop | |
5649 | a8083063 | Iustin Pop | return
|
5650 | a8083063 | Iustin Pop | |
5651 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
5652 | a8083063 | Iustin Pop | """Modifies an instance.
|
5653 | a8083063 | Iustin Pop |
|
5654 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
5655 | 24991749 | Iustin Pop |
|
5656 | a8083063 | Iustin Pop | """
|
5657 | cfefe007 | Guido Trotter | # Process here the warnings from CheckPrereq, as we don't have a
|
5658 | cfefe007 | Guido Trotter | # feedback_fn there.
|
5659 | cfefe007 | Guido Trotter | for warn in self.warn: |
5660 | cfefe007 | Guido Trotter | feedback_fn("WARNING: %s" % warn)
|
5661 | cfefe007 | Guido Trotter | |
5662 | a8083063 | Iustin Pop | result = [] |
5663 | a8083063 | Iustin Pop | instance = self.instance
|
5664 | 24991749 | Iustin Pop | # disk changes
|
5665 | 24991749 | Iustin Pop | for disk_op, disk_dict in self.op.disks: |
5666 | 24991749 | Iustin Pop | if disk_op == constants.DDM_REMOVE:
|
5667 | 24991749 | Iustin Pop | # remove the last disk
|
5668 | 24991749 | Iustin Pop | device = instance.disks.pop() |
5669 | 24991749 | Iustin Pop | device_idx = len(instance.disks)
|
5670 | 24991749 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
5671 | 24991749 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
5672 | 4cfb9426 | Iustin Pop | rpc_result = self.rpc.call_blockdev_remove(node, disk)
|
5673 | 4cfb9426 | Iustin Pop | if rpc_result.failed or not rpc_result.data: |
5674 | 24991749 | Iustin Pop | self.proc.LogWarning("Could not remove disk/%d on node %s," |
5675 | 24991749 | Iustin Pop | " continuing anyway", device_idx, node)
|
5676 | 24991749 | Iustin Pop | result.append(("disk/%d" % device_idx, "remove")) |
5677 | 24991749 | Iustin Pop | elif disk_op == constants.DDM_ADD:
|
5678 | 24991749 | Iustin Pop | # add a new disk
|
5679 | 24991749 | Iustin Pop | if instance.disk_template == constants.DT_FILE:
|
5680 | 24991749 | Iustin Pop | file_driver, file_path = instance.disks[0].logical_id
|
5681 | 24991749 | Iustin Pop | file_path = os.path.dirname(file_path) |
5682 | 24991749 | Iustin Pop | else:
|
5683 | 24991749 | Iustin Pop | file_driver = file_path = None
|
5684 | 24991749 | Iustin Pop | disk_idx_base = len(instance.disks)
|
5685 | 24991749 | Iustin Pop | new_disk = _GenerateDiskTemplate(self,
|
5686 | 24991749 | Iustin Pop | instance.disk_template, |
5687 | 24991749 | Iustin Pop | instance, instance.primary_node, |
5688 | 24991749 | Iustin Pop | instance.secondary_nodes, |
5689 | 24991749 | Iustin Pop | [disk_dict], |
5690 | 24991749 | Iustin Pop | file_path, |
5691 | 24991749 | Iustin Pop | file_driver, |
5692 | 24991749 | Iustin Pop | disk_idx_base)[0]
|
5693 | 24991749 | Iustin Pop | new_disk.mode = disk_dict['mode']
|
5694 | 24991749 | Iustin Pop | instance.disks.append(new_disk) |
5695 | 24991749 | Iustin Pop | info = _GetInstanceInfoText(instance) |
5696 | 24991749 | Iustin Pop | |
5697 | 24991749 | Iustin Pop | logging.info("Creating volume %s for instance %s",
|
5698 | 24991749 | Iustin Pop | new_disk.iv_name, instance.name) |
5699 | 24991749 | Iustin Pop | # Note: this needs to be kept in sync with _CreateDisks
|
5700 | 24991749 | Iustin Pop | #HARDCODE
|
5701 | 24991749 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
5702 | 24991749 | Iustin Pop | if not _CreateBlockDevOnSecondary(self, secondary_node, instance, |
5703 | 24991749 | Iustin Pop | new_disk, False, info):
|
5704 | 24991749 | Iustin Pop | self.LogWarning("Failed to create volume %s (%s) on" |
5705 | 24991749 | Iustin Pop | " secondary node %s!",
|
5706 | 24991749 | Iustin Pop | new_disk.iv_name, new_disk, secondary_node) |
5707 | 24991749 | Iustin Pop | #HARDCODE
|
5708 | 24991749 | Iustin Pop | if not _CreateBlockDevOnPrimary(self, instance.primary_node, |
5709 | 24991749 | Iustin Pop | instance, new_disk, info): |
5710 | 24991749 | Iustin Pop | self.LogWarning("Failed to create volume %s on primary!", |
5711 | 24991749 | Iustin Pop | new_disk.iv_name) |
5712 | 24991749 | Iustin Pop | result.append(("disk/%d" % disk_idx_base, "add:size=%s,mode=%s" % |
5713 | 24991749 | Iustin Pop | (new_disk.size, new_disk.mode))) |
5714 | 24991749 | Iustin Pop | else:
|
5715 | 24991749 | Iustin Pop | # change a given disk
|
5716 | 24991749 | Iustin Pop | instance.disks[disk_op].mode = disk_dict['mode']
|
5717 | 24991749 | Iustin Pop | result.append(("disk.mode/%d" % disk_op, disk_dict['mode'])) |
5718 | 24991749 | Iustin Pop | # NIC changes
|
5719 | 24991749 | Iustin Pop | for nic_op, nic_dict in self.op.nics: |
5720 | 24991749 | Iustin Pop | if nic_op == constants.DDM_REMOVE:
|
5721 | 24991749 | Iustin Pop | # remove the last nic
|
5722 | 24991749 | Iustin Pop | del instance.nics[-1] |
5723 | 24991749 | Iustin Pop | result.append(("nic.%d" % len(instance.nics), "remove")) |
5724 | 24991749 | Iustin Pop | elif nic_op == constants.DDM_ADD:
|
5725 | 24991749 | Iustin Pop | # add a new nic
|
5726 | 24991749 | Iustin Pop | if 'mac' not in nic_dict: |
5727 | 24991749 | Iustin Pop | mac = constants.VALUE_GENERATE |
5728 | 24991749 | Iustin Pop | else:
|
5729 | 24991749 | Iustin Pop | mac = nic_dict['mac']
|
5730 | 24991749 | Iustin Pop | if mac in (constants.VALUE_AUTO, constants.VALUE_GENERATE): |
5731 | 24991749 | Iustin Pop | mac = self.cfg.GenerateMAC()
|
5732 | 24991749 | Iustin Pop | new_nic = objects.NIC(mac=mac, ip=nic_dict.get('ip', None), |
5733 | 24991749 | Iustin Pop | bridge=nic_dict.get('bridge', None)) |
5734 | 24991749 | Iustin Pop | instance.nics.append(new_nic) |
5735 | 24991749 | Iustin Pop | result.append(("nic.%d" % (len(instance.nics) - 1), |
5736 | 24991749 | Iustin Pop | "add:mac=%s,ip=%s,bridge=%s" %
|
5737 | 24991749 | Iustin Pop | (new_nic.mac, new_nic.ip, new_nic.bridge))) |
5738 | 24991749 | Iustin Pop | else:
|
5739 | 24991749 | Iustin Pop | # change a given nic
|
5740 | 24991749 | Iustin Pop | for key in 'mac', 'ip', 'bridge': |
5741 | 24991749 | Iustin Pop | if key in nic_dict: |
5742 | 24991749 | Iustin Pop | setattr(instance.nics[nic_op], key, nic_dict[key])
|
5743 | 24991749 | Iustin Pop | result.append(("nic.%s/%d" % (key, nic_op), nic_dict[key]))
|
5744 | 24991749 | Iustin Pop | |
5745 | 24991749 | Iustin Pop | # hvparams changes
|
5746 | 74409b12 | Iustin Pop | if self.op.hvparams: |
5747 | 74409b12 | Iustin Pop | instance.hvparams = self.hv_new
|
5748 | 74409b12 | Iustin Pop | for key, val in self.op.hvparams.iteritems(): |
5749 | 74409b12 | Iustin Pop | result.append(("hv/%s" % key, val))
|
5750 | 24991749 | Iustin Pop | |
5751 | 24991749 | Iustin Pop | # beparams changes
|
5752 | 338e51e8 | Iustin Pop | if self.op.beparams: |
5753 | 338e51e8 | Iustin Pop | instance.beparams = self.be_inst
|
5754 | 338e51e8 | Iustin Pop | for key, val in self.op.beparams.iteritems(): |
5755 | 338e51e8 | Iustin Pop | result.append(("be/%s" % key, val))
|
5756 | a8083063 | Iustin Pop | |
5757 | ea94e1cd | Guido Trotter | self.cfg.Update(instance)
|
5758 | a8083063 | Iustin Pop | |
5759 | a8083063 | Iustin Pop | return result
|
5760 | a8083063 | Iustin Pop | |
5761 | a8083063 | Iustin Pop | |
5762 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
5763 | a8083063 | Iustin Pop | """Query the exports list
|
5764 | a8083063 | Iustin Pop |
|
5765 | a8083063 | Iustin Pop | """
|
5766 | 895ecd9c | Guido Trotter | _OP_REQP = ['nodes']
|
5767 | 21a15682 | Guido Trotter | REQ_BGL = False
|
5768 | 21a15682 | Guido Trotter | |
5769 | 21a15682 | Guido Trotter | def ExpandNames(self): |
5770 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
5771 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
5772 | 21a15682 | Guido Trotter | if not self.op.nodes: |
5773 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5774 | 21a15682 | Guido Trotter | else:
|
5775 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
5776 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
5777 | a8083063 | Iustin Pop | |
5778 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5779 | 21a15682 | Guido Trotter | """Check prerequisites.
|
5780 | a8083063 | Iustin Pop |
|
5781 | a8083063 | Iustin Pop | """
|
5782 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
5783 | a8083063 | Iustin Pop | |
5784 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
5785 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
5786 | a8083063 | Iustin Pop |
|
5787 | e4376078 | Iustin Pop | @rtype: dict
|
5788 | e4376078 | Iustin Pop | @return: a dictionary with the structure node->(export-list)
|
5789 | e4376078 | Iustin Pop | where export-list is a list of the instances exported on
|
5790 | e4376078 | Iustin Pop | that node.
|
5791 | a8083063 | Iustin Pop |
|
5792 | a8083063 | Iustin Pop | """
|
5793 | b04285f2 | Guido Trotter | rpcresult = self.rpc.call_export_list(self.nodes) |
5794 | b04285f2 | Guido Trotter | result = {} |
5795 | b04285f2 | Guido Trotter | for node in rpcresult: |
5796 | b04285f2 | Guido Trotter | if rpcresult[node].failed:
|
5797 | b04285f2 | Guido Trotter | result[node] = False
|
5798 | b04285f2 | Guido Trotter | else:
|
5799 | b04285f2 | Guido Trotter | result[node] = rpcresult[node].data |
5800 | b04285f2 | Guido Trotter | |
5801 | b04285f2 | Guido Trotter | return result
|
5802 | a8083063 | Iustin Pop | |
5803 | a8083063 | Iustin Pop | |
5804 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
5805 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
5806 | a8083063 | Iustin Pop |
|
5807 | a8083063 | Iustin Pop | """
|
5808 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
5809 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
5810 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
5811 | 6657590e | Guido Trotter | REQ_BGL = False
|
5812 | 6657590e | Guido Trotter | |
5813 | 6657590e | Guido Trotter | def ExpandNames(self): |
5814 | 6657590e | Guido Trotter | self._ExpandAndLockInstance()
|
5815 | 6657590e | Guido Trotter | # FIXME: lock only instance primary and destination node
|
5816 | 6657590e | Guido Trotter | #
|
5817 | 6657590e | Guido Trotter | # Sad but true, for now we have do lock all nodes, as we don't know where
|
5818 | 6657590e | Guido Trotter | # the previous export might be, and and in this LU we search for it and
|
5819 | 6657590e | Guido Trotter | # remove it from its current node. In the future we could fix this by:
|
5820 | 6657590e | Guido Trotter | # - making a tasklet to search (share-lock all), then create the new one,
|
5821 | 6657590e | Guido Trotter | # then one to remove, after
|
5822 | 6657590e | Guido Trotter | # - removing the removal operation altoghether
|
5823 | 6657590e | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5824 | 6657590e | Guido Trotter | |
5825 | 6657590e | Guido Trotter | def DeclareLocks(self, level): |
5826 | 6657590e | Guido Trotter | """Last minute lock declaration."""
|
5827 | 6657590e | Guido Trotter | # All nodes are locked anyway, so nothing to do here.
|
5828 | a8083063 | Iustin Pop | |
5829 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
5830 | a8083063 | Iustin Pop | """Build hooks env.
|
5831 | a8083063 | Iustin Pop |
|
5832 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
5833 | a8083063 | Iustin Pop |
|
5834 | a8083063 | Iustin Pop | """
|
5835 | a8083063 | Iustin Pop | env = { |
5836 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
5837 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
5838 | a8083063 | Iustin Pop | } |
5839 | 338e51e8 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self, self.instance)) |
5840 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode(), self.instance.primary_node, |
5841 | a8083063 | Iustin Pop | self.op.target_node]
|
5842 | a8083063 | Iustin Pop | return env, nl, nl
|
5843 | a8083063 | Iustin Pop | |
5844 | a8083063 | Iustin Pop | def CheckPrereq(self): |
5845 | a8083063 | Iustin Pop | """Check prerequisites.
|
5846 | a8083063 | Iustin Pop |
|
5847 | 9ac99fda | Guido Trotter | This checks that the instance and node names are valid.
|
5848 | a8083063 | Iustin Pop |
|
5849 | a8083063 | Iustin Pop | """
|
5850 | 6657590e | Guido Trotter | instance_name = self.op.instance_name
|
5851 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
5852 | 6657590e | Guido Trotter | assert self.instance is not None, \ |
5853 | 6657590e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
5854 | 43017d26 | Iustin Pop | _CheckNodeOnline(self, self.instance.primary_node) |
5855 | a8083063 | Iustin Pop | |
5856 | 6657590e | Guido Trotter | self.dst_node = self.cfg.GetNodeInfo( |
5857 | 6657590e | Guido Trotter | self.cfg.ExpandNodeName(self.op.target_node)) |
5858 | a8083063 | Iustin Pop | |
5859 | 268b8e42 | Iustin Pop | if self.dst_node is None: |
5860 | 268b8e42 | Iustin Pop | # This is wrong node name, not a non-locked node
|
5861 | 268b8e42 | Iustin Pop | raise errors.OpPrereqError("Wrong node name %s" % self.op.target_node) |
5862 | aeb83a2b | Iustin Pop | _CheckNodeOnline(self, self.dst_node.name) |
5863 | a8083063 | Iustin Pop | |
5864 | b6023d6c | Manuel Franceschini | # instance disk type verification
|
5865 | b6023d6c | Manuel Franceschini | for disk in self.instance.disks: |
5866 | b6023d6c | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
5867 | b6023d6c | Manuel Franceschini | raise errors.OpPrereqError("Export not supported for instances with" |
5868 | b6023d6c | Manuel Franceschini | " file-based disks")
|
5869 | b6023d6c | Manuel Franceschini | |
5870 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
5871 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
5872 | a8083063 | Iustin Pop |
|
5873 | a8083063 | Iustin Pop | """
|
5874 | a8083063 | Iustin Pop | instance = self.instance
|
5875 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
5876 | a8083063 | Iustin Pop | src_node = instance.primary_node |
5877 | a8083063 | Iustin Pop | if self.op.shutdown: |
5878 | fb300fb7 | Guido Trotter | # shutdown the instance, but not the disks
|
5879 | 781de953 | Iustin Pop | result = self.rpc.call_instance_shutdown(src_node, instance)
|
5880 | 781de953 | Iustin Pop | result.Raise() |
5881 | 781de953 | Iustin Pop | if not result.data: |
5882 | 38206f3c | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
5883 | 38206f3c | Iustin Pop | (instance.name, src_node)) |
5884 | a8083063 | Iustin Pop | |
5885 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
5886 | a8083063 | Iustin Pop | |
5887 | a8083063 | Iustin Pop | snap_disks = [] |
5888 | a8083063 | Iustin Pop | |
5889 | 998c712c | Iustin Pop | # set the disks ID correctly since call_instance_start needs the
|
5890 | 998c712c | Iustin Pop | # correct drbd minor to create the symlinks
|
5891 | 998c712c | Iustin Pop | for disk in instance.disks: |
5892 | 998c712c | Iustin Pop | self.cfg.SetDiskID(disk, src_node)
|
5893 | 998c712c | Iustin Pop | |
5894 | a8083063 | Iustin Pop | try:
|
5895 | a8083063 | Iustin Pop | for disk in instance.disks: |
5896 | 19d7f90a | Guido Trotter | # new_dev_name will be a snapshot of an lvm leaf of the one we passed
|
5897 | 19d7f90a | Guido Trotter | new_dev_name = self.rpc.call_blockdev_snapshot(src_node, disk)
|
5898 | 781de953 | Iustin Pop | if new_dev_name.failed or not new_dev_name.data: |
5899 | 19d7f90a | Guido Trotter | self.LogWarning("Could not snapshot block device %s on node %s", |
5900 | 9a4f63d1 | Iustin Pop | disk.logical_id[1], src_node)
|
5901 | 19d7f90a | Guido Trotter | snap_disks.append(False)
|
5902 | 19d7f90a | Guido Trotter | else:
|
5903 | 19d7f90a | Guido Trotter | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
5904 | 781de953 | Iustin Pop | logical_id=(vgname, new_dev_name.data), |
5905 | 781de953 | Iustin Pop | physical_id=(vgname, new_dev_name.data), |
5906 | 19d7f90a | Guido Trotter | iv_name=disk.iv_name) |
5907 | 19d7f90a | Guido Trotter | snap_disks.append(new_dev) |
5908 | a8083063 | Iustin Pop | |
5909 | a8083063 | Iustin Pop | finally:
|
5910 | fb300fb7 | Guido Trotter | if self.op.shutdown and instance.status == "up": |
5911 | 781de953 | Iustin Pop | result = self.rpc.call_instance_start(src_node, instance, None) |
5912 | 781de953 | Iustin Pop | if result.failed or not result.data: |
5913 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
5914 | fb300fb7 | Guido Trotter | raise errors.OpExecError("Could not start instance") |
5915 | a8083063 | Iustin Pop | |
5916 | a8083063 | Iustin Pop | # TODO: check for size
|
5917 | a8083063 | Iustin Pop | |
5918 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
5919 | 74c47259 | Iustin Pop | for idx, dev in enumerate(snap_disks): |
5920 | 19d7f90a | Guido Trotter | if dev:
|
5921 | 781de953 | Iustin Pop | result = self.rpc.call_snapshot_export(src_node, dev, dst_node.name,
|
5922 | 781de953 | Iustin Pop | instance, cluster_name, idx) |
5923 | 781de953 | Iustin Pop | if result.failed or not result.data: |
5924 | 19d7f90a | Guido Trotter | self.LogWarning("Could not export block device %s from node %s to" |
5925 | 19d7f90a | Guido Trotter | " node %s", dev.logical_id[1], src_node, |
5926 | 19d7f90a | Guido Trotter | dst_node.name) |
5927 | 781de953 | Iustin Pop | result = self.rpc.call_blockdev_remove(src_node, dev)
|
5928 | 781de953 | Iustin Pop | if result.failed or not result.data: |
5929 | 19d7f90a | Guido Trotter | self.LogWarning("Could not remove snapshot block device %s from node" |
5930 | 19d7f90a | Guido Trotter | " %s", dev.logical_id[1], src_node) |
5931 | a8083063 | Iustin Pop | |
5932 | 781de953 | Iustin Pop | result = self.rpc.call_finalize_export(dst_node.name, instance, snap_disks)
|
5933 | 781de953 | Iustin Pop | if result.failed or not result.data: |
5934 | 19d7f90a | Guido Trotter | self.LogWarning("Could not finalize export for instance %s on node %s", |
5935 | 19d7f90a | Guido Trotter | instance.name, dst_node.name) |
5936 | a8083063 | Iustin Pop | |
5937 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
5938 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
5939 | a8083063 | Iustin Pop | |
5940 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
5941 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
5942 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
5943 | a8083063 | Iustin Pop | if nodelist:
|
5944 | 72737a7f | Iustin Pop | exportlist = self.rpc.call_export_list(nodelist)
|
5945 | a8083063 | Iustin Pop | for node in exportlist: |
5946 | 781de953 | Iustin Pop | if exportlist[node].failed:
|
5947 | 781de953 | Iustin Pop | continue
|
5948 | 781de953 | Iustin Pop | if instance.name in exportlist[node].data: |
5949 | 72737a7f | Iustin Pop | if not self.rpc.call_export_remove(node, instance.name): |
5950 | 19d7f90a | Guido Trotter | self.LogWarning("Could not remove older export for instance %s" |
5951 | 19d7f90a | Guido Trotter | " on node %s", instance.name, node)
|
5952 | 5c947f38 | Iustin Pop | |
5953 | 5c947f38 | Iustin Pop | |
5954 | 9ac99fda | Guido Trotter | class LURemoveExport(NoHooksLU): |
5955 | 9ac99fda | Guido Trotter | """Remove exports related to the named instance.
|
5956 | 9ac99fda | Guido Trotter |
|
5957 | 9ac99fda | Guido Trotter | """
|
5958 | 9ac99fda | Guido Trotter | _OP_REQP = ["instance_name"]
|
5959 | 3656b3af | Guido Trotter | REQ_BGL = False
|
5960 | 3656b3af | Guido Trotter | |
5961 | 3656b3af | Guido Trotter | def ExpandNames(self): |
5962 | 3656b3af | Guido Trotter | self.needed_locks = {}
|
5963 | 3656b3af | Guido Trotter | # We need all nodes to be locked in order for RemoveExport to work, but we
|
5964 | 3656b3af | Guido Trotter | # don't need to lock the instance itself, as nothing will happen to it (and
|
5965 | 3656b3af | Guido Trotter | # we can remove exports also for a removed instance)
|
5966 | 3656b3af | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
5967 | 9ac99fda | Guido Trotter | |
5968 | 9ac99fda | Guido Trotter | def CheckPrereq(self): |
5969 | 9ac99fda | Guido Trotter | """Check prerequisites.
|
5970 | 9ac99fda | Guido Trotter | """
|
5971 | 9ac99fda | Guido Trotter | pass
|
5972 | 9ac99fda | Guido Trotter | |
5973 | 9ac99fda | Guido Trotter | def Exec(self, feedback_fn): |
5974 | 9ac99fda | Guido Trotter | """Remove any export.
|
5975 | 9ac99fda | Guido Trotter |
|
5976 | 9ac99fda | Guido Trotter | """
|
5977 | 9ac99fda | Guido Trotter | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
5978 | 9ac99fda | Guido Trotter | # If the instance was not found we'll try with the name that was passed in.
|
5979 | 9ac99fda | Guido Trotter | # This will only work if it was an FQDN, though.
|
5980 | 9ac99fda | Guido Trotter | fqdn_warn = False
|
5981 | 9ac99fda | Guido Trotter | if not instance_name: |
5982 | 9ac99fda | Guido Trotter | fqdn_warn = True
|
5983 | 9ac99fda | Guido Trotter | instance_name = self.op.instance_name
|
5984 | 9ac99fda | Guido Trotter | |
5985 | 72737a7f | Iustin Pop | exportlist = self.rpc.call_export_list(self.acquired_locks[ |
5986 | 72737a7f | Iustin Pop | locking.LEVEL_NODE]) |
5987 | 9ac99fda | Guido Trotter | found = False
|
5988 | 9ac99fda | Guido Trotter | for node in exportlist: |
5989 | 781de953 | Iustin Pop | if exportlist[node].failed:
|
5990 | 25361b9a | Iustin Pop | self.LogWarning("Failed to query node %s, continuing" % node) |
5991 | 781de953 | Iustin Pop | continue
|
5992 | 781de953 | Iustin Pop | if instance_name in exportlist[node].data: |
5993 | 9ac99fda | Guido Trotter | found = True
|
5994 | 781de953 | Iustin Pop | result = self.rpc.call_export_remove(node, instance_name)
|
5995 | 781de953 | Iustin Pop | if result.failed or not result.data: |
5996 | 9a4f63d1 | Iustin Pop | logging.error("Could not remove export for instance %s"
|
5997 | 9a4f63d1 | Iustin Pop | " on node %s", instance_name, node)
|
5998 | 9ac99fda | Guido Trotter | |
5999 | 9ac99fda | Guido Trotter | if fqdn_warn and not found: |
6000 | 9ac99fda | Guido Trotter | feedback_fn("Export not found. If trying to remove an export belonging"
|
6001 | 9ac99fda | Guido Trotter | " to a deleted instance please use its Fully Qualified"
|
6002 | 9ac99fda | Guido Trotter | " Domain Name.")
|
6003 | 9ac99fda | Guido Trotter | |
6004 | 9ac99fda | Guido Trotter | |
6005 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
6006 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
6007 | 5c947f38 | Iustin Pop |
|
6008 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
6009 | 5c947f38 | Iustin Pop |
|
6010 | 5c947f38 | Iustin Pop | """
|
6011 | 5c947f38 | Iustin Pop | |
6012 | 8646adce | Guido Trotter | def ExpandNames(self): |
6013 | 8646adce | Guido Trotter | self.needed_locks = {}
|
6014 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_NODE: |
6015 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
6016 | 5c947f38 | Iustin Pop | if name is None: |
6017 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
6018 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
6019 | 5c947f38 | Iustin Pop | self.op.name = name
|
6020 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = name
|
6021 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
6022 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
6023 | 5c947f38 | Iustin Pop | if name is None: |
6024 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
6025 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
6026 | 5c947f38 | Iustin Pop | self.op.name = name
|
6027 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = name
|
6028 | 8646adce | Guido Trotter | |
6029 | 8646adce | Guido Trotter | def CheckPrereq(self): |
6030 | 8646adce | Guido Trotter | """Check prerequisites.
|
6031 | 8646adce | Guido Trotter |
|
6032 | 8646adce | Guido Trotter | """
|
6033 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_CLUSTER: |
6034 | 8646adce | Guido Trotter | self.target = self.cfg.GetClusterInfo() |
6035 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_NODE: |
6036 | 8646adce | Guido Trotter | self.target = self.cfg.GetNodeInfo(self.op.name) |
6037 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_INSTANCE: |
6038 | 8646adce | Guido Trotter | self.target = self.cfg.GetInstanceInfo(self.op.name) |
6039 | 5c947f38 | Iustin Pop | else:
|
6040 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
6041 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
6042 | 5c947f38 | Iustin Pop | |
6043 | 5c947f38 | Iustin Pop | |
6044 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
6045 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
6046 | 5c947f38 | Iustin Pop |
|
6047 | 5c947f38 | Iustin Pop | """
|
6048 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
6049 | 8646adce | Guido Trotter | REQ_BGL = False
|
6050 | 5c947f38 | Iustin Pop | |
6051 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
6052 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
6053 | 5c947f38 | Iustin Pop |
|
6054 | 5c947f38 | Iustin Pop | """
|
6055 | 5d414478 | Oleksiy Mishchenko | return list(self.target.GetTags()) |
6056 | 5c947f38 | Iustin Pop | |
6057 | 5c947f38 | Iustin Pop | |
6058 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
6059 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
6060 | 73415719 | Iustin Pop |
|
6061 | 73415719 | Iustin Pop | """
|
6062 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
6063 | 8646adce | Guido Trotter | REQ_BGL = False
|
6064 | 8646adce | Guido Trotter | |
6065 | 8646adce | Guido Trotter | def ExpandNames(self): |
6066 | 8646adce | Guido Trotter | self.needed_locks = {}
|
6067 | 73415719 | Iustin Pop | |
6068 | 73415719 | Iustin Pop | def CheckPrereq(self): |
6069 | 73415719 | Iustin Pop | """Check prerequisites.
|
6070 | 73415719 | Iustin Pop |
|
6071 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
6072 | 73415719 | Iustin Pop |
|
6073 | 73415719 | Iustin Pop | """
|
6074 | 73415719 | Iustin Pop | try:
|
6075 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
6076 | 73415719 | Iustin Pop | except re.error, err:
|
6077 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
6078 | 73415719 | Iustin Pop | (self.op.pattern, err))
|
6079 | 73415719 | Iustin Pop | |
6080 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
6081 | 73415719 | Iustin Pop | """Returns the tag list.
|
6082 | 73415719 | Iustin Pop |
|
6083 | 73415719 | Iustin Pop | """
|
6084 | 73415719 | Iustin Pop | cfg = self.cfg
|
6085 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
6086 | 8646adce | Guido Trotter | ilist = cfg.GetAllInstancesInfo().values() |
6087 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
6088 | 8646adce | Guido Trotter | nlist = cfg.GetAllNodesInfo().values() |
6089 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
6090 | 73415719 | Iustin Pop | results = [] |
6091 | 73415719 | Iustin Pop | for path, target in tgts: |
6092 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
6093 | 73415719 | Iustin Pop | if self.re.search(tag): |
6094 | 73415719 | Iustin Pop | results.append((path, tag)) |
6095 | 73415719 | Iustin Pop | return results
|
6096 | 73415719 | Iustin Pop | |
6097 | 73415719 | Iustin Pop | |
6098 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
6099 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
6100 | 5c947f38 | Iustin Pop |
|
6101 | 5c947f38 | Iustin Pop | """
|
6102 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
6103 | 8646adce | Guido Trotter | REQ_BGL = False
|
6104 | 5c947f38 | Iustin Pop | |
6105 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
6106 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
6107 | 5c947f38 | Iustin Pop |
|
6108 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
6109 | 5c947f38 | Iustin Pop |
|
6110 | 5c947f38 | Iustin Pop | """
|
6111 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
6112 | f27302fa | Iustin Pop | for tag in self.op.tags: |
6113 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
6114 | 5c947f38 | Iustin Pop | |
6115 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
6116 | 5c947f38 | Iustin Pop | """Sets the tag.
|
6117 | 5c947f38 | Iustin Pop |
|
6118 | 5c947f38 | Iustin Pop | """
|
6119 | 5c947f38 | Iustin Pop | try:
|
6120 | f27302fa | Iustin Pop | for tag in self.op.tags: |
6121 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
6122 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
6123 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
6124 | 5c947f38 | Iustin Pop | try:
|
6125 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
6126 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
6127 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
6128 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
6129 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
6130 | 5c947f38 | Iustin Pop | |
6131 | 5c947f38 | Iustin Pop | |
6132 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
6133 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
6134 | 5c947f38 | Iustin Pop |
|
6135 | 5c947f38 | Iustin Pop | """
|
6136 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
6137 | 8646adce | Guido Trotter | REQ_BGL = False
|
6138 | 5c947f38 | Iustin Pop | |
6139 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
6140 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
6141 | 5c947f38 | Iustin Pop |
|
6142 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
6143 | 5c947f38 | Iustin Pop |
|
6144 | 5c947f38 | Iustin Pop | """
|
6145 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
6146 | f27302fa | Iustin Pop | for tag in self.op.tags: |
6147 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
6148 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
6149 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
6150 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
6151 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
6152 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
6153 | f27302fa | Iustin Pop | diff_names.sort() |
6154 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
6155 | f27302fa | Iustin Pop | (",".join(diff_names)))
|
6156 | 5c947f38 | Iustin Pop | |
6157 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
6158 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
6159 | 5c947f38 | Iustin Pop |
|
6160 | 5c947f38 | Iustin Pop | """
|
6161 | f27302fa | Iustin Pop | for tag in self.op.tags: |
6162 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
6163 | 5c947f38 | Iustin Pop | try:
|
6164 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
6165 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
6166 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
6167 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
6168 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
6169 | 06009e27 | Iustin Pop | |
6170 | 0eed6e61 | Guido Trotter | |
6171 | 06009e27 | Iustin Pop | class LUTestDelay(NoHooksLU): |
6172 | 06009e27 | Iustin Pop | """Sleep for a specified amount of time.
|
6173 | 06009e27 | Iustin Pop |
|
6174 | 0b097284 | Guido Trotter | This LU sleeps on the master and/or nodes for a specified amount of
|
6175 | 06009e27 | Iustin Pop | time.
|
6176 | 06009e27 | Iustin Pop |
|
6177 | 06009e27 | Iustin Pop | """
|
6178 | 06009e27 | Iustin Pop | _OP_REQP = ["duration", "on_master", "on_nodes"] |
6179 | fbe9022f | Guido Trotter | REQ_BGL = False
|
6180 | 06009e27 | Iustin Pop | |
6181 | fbe9022f | Guido Trotter | def ExpandNames(self): |
6182 | fbe9022f | Guido Trotter | """Expand names and set required locks.
|
6183 | 06009e27 | Iustin Pop |
|
6184 | fbe9022f | Guido Trotter | This expands the node list, if any.
|
6185 | 06009e27 | Iustin Pop |
|
6186 | 06009e27 | Iustin Pop | """
|
6187 | fbe9022f | Guido Trotter | self.needed_locks = {}
|
6188 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
6189 | fbe9022f | Guido Trotter | # _GetWantedNodes can be used here, but is not always appropriate to use
|
6190 | fbe9022f | Guido Trotter | # this way in ExpandNames. Check LogicalUnit.ExpandNames docstring for
|
6191 | fbe9022f | Guido Trotter | # more information.
|
6192 | 06009e27 | Iustin Pop | self.op.on_nodes = _GetWantedNodes(self, self.op.on_nodes) |
6193 | fbe9022f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = self.op.on_nodes |
6194 | fbe9022f | Guido Trotter | |
6195 | fbe9022f | Guido Trotter | def CheckPrereq(self): |
6196 | fbe9022f | Guido Trotter | """Check prerequisites.
|
6197 | fbe9022f | Guido Trotter |
|
6198 | fbe9022f | Guido Trotter | """
|
6199 | 06009e27 | Iustin Pop | |
6200 | 06009e27 | Iustin Pop | def Exec(self, feedback_fn): |
6201 | 06009e27 | Iustin Pop | """Do the actual sleep.
|
6202 | 06009e27 | Iustin Pop |
|
6203 | 06009e27 | Iustin Pop | """
|
6204 | 06009e27 | Iustin Pop | if self.op.on_master: |
6205 | 06009e27 | Iustin Pop | if not utils.TestDelay(self.op.duration): |
6206 | 06009e27 | Iustin Pop | raise errors.OpExecError("Error during master delay test") |
6207 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
6208 | 72737a7f | Iustin Pop | result = self.rpc.call_test_delay(self.op.on_nodes, self.op.duration) |
6209 | 06009e27 | Iustin Pop | if not result: |
6210 | 06009e27 | Iustin Pop | raise errors.OpExecError("Complete failure from rpc call") |
6211 | 06009e27 | Iustin Pop | for node, node_result in result.items(): |
6212 | 781de953 | Iustin Pop | node_result.Raise() |
6213 | 781de953 | Iustin Pop | if not node_result.data: |
6214 | 06009e27 | Iustin Pop | raise errors.OpExecError("Failure during rpc call to node %s," |
6215 | 781de953 | Iustin Pop | " result: %s" % (node, node_result.data))
|
6216 | d61df03e | Iustin Pop | |
6217 | d61df03e | Iustin Pop | |
6218 | d1c2dd75 | Iustin Pop | class IAllocator(object): |
6219 | d1c2dd75 | Iustin Pop | """IAllocator framework.
|
6220 | d61df03e | Iustin Pop |
|
6221 | d1c2dd75 | Iustin Pop | An IAllocator instance has three sets of attributes:
|
6222 | d6a02168 | Michael Hanselmann | - cfg that is needed to query the cluster
|
6223 | d1c2dd75 | Iustin Pop | - input data (all members of the _KEYS class attribute are required)
|
6224 | d1c2dd75 | Iustin Pop | - four buffer attributes (in|out_data|text), that represent the
|
6225 | d1c2dd75 | Iustin Pop | input (to the external script) in text and data structure format,
|
6226 | d1c2dd75 | Iustin Pop | and the output from it, again in two formats
|
6227 | d1c2dd75 | Iustin Pop | - the result variables from the script (success, info, nodes) for
|
6228 | d1c2dd75 | Iustin Pop | easy usage
|
6229 | d61df03e | Iustin Pop |
|
6230 | d61df03e | Iustin Pop | """
|
6231 | 29859cb7 | Iustin Pop | _ALLO_KEYS = [ |
6232 | d1c2dd75 | Iustin Pop | "mem_size", "disks", "disk_template", |
6233 | 8cc7e742 | Guido Trotter | "os", "tags", "nics", "vcpus", "hypervisor", |
6234 | d1c2dd75 | Iustin Pop | ] |
6235 | 29859cb7 | Iustin Pop | _RELO_KEYS = [ |
6236 | 29859cb7 | Iustin Pop | "relocate_from",
|
6237 | 29859cb7 | Iustin Pop | ] |
6238 | d1c2dd75 | Iustin Pop | |
6239 | 72737a7f | Iustin Pop | def __init__(self, lu, mode, name, **kwargs): |
6240 | 72737a7f | Iustin Pop | self.lu = lu
|
6241 | d1c2dd75 | Iustin Pop | # init buffer variables
|
6242 | d1c2dd75 | Iustin Pop | self.in_text = self.out_text = self.in_data = self.out_data = None |
6243 | d1c2dd75 | Iustin Pop | # init all input fields so that pylint is happy
|
6244 | 29859cb7 | Iustin Pop | self.mode = mode
|
6245 | 29859cb7 | Iustin Pop | self.name = name
|
6246 | d1c2dd75 | Iustin Pop | self.mem_size = self.disks = self.disk_template = None |
6247 | d1c2dd75 | Iustin Pop | self.os = self.tags = self.nics = self.vcpus = None |
6248 | a0add446 | Iustin Pop | self.hypervisor = None |
6249 | 29859cb7 | Iustin Pop | self.relocate_from = None |
6250 | 27579978 | Iustin Pop | # computed fields
|
6251 | 27579978 | Iustin Pop | self.required_nodes = None |
6252 | d1c2dd75 | Iustin Pop | # init result fields
|
6253 | d1c2dd75 | Iustin Pop | self.success = self.info = self.nodes = None |
6254 | 29859cb7 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
6255 | 29859cb7 | Iustin Pop | keyset = self._ALLO_KEYS
|
6256 | 29859cb7 | Iustin Pop | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
6257 | 29859cb7 | Iustin Pop | keyset = self._RELO_KEYS
|
6258 | 29859cb7 | Iustin Pop | else:
|
6259 | 29859cb7 | Iustin Pop | raise errors.ProgrammerError("Unknown mode '%s' passed to the" |
6260 | 29859cb7 | Iustin Pop | " IAllocator" % self.mode) |
6261 | d1c2dd75 | Iustin Pop | for key in kwargs: |
6262 | 29859cb7 | Iustin Pop | if key not in keyset: |
6263 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Invalid input parameter '%s' to" |
6264 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
6265 | d1c2dd75 | Iustin Pop | setattr(self, key, kwargs[key]) |
6266 | 29859cb7 | Iustin Pop | for key in keyset: |
6267 | d1c2dd75 | Iustin Pop | if key not in kwargs: |
6268 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Missing input parameter '%s' to" |
6269 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
6270 | d1c2dd75 | Iustin Pop | self._BuildInputData()
|
6271 | d1c2dd75 | Iustin Pop | |
6272 | d1c2dd75 | Iustin Pop | def _ComputeClusterData(self): |
6273 | d1c2dd75 | Iustin Pop | """Compute the generic allocator input data.
|
6274 | d1c2dd75 | Iustin Pop |
|
6275 | d1c2dd75 | Iustin Pop | This is the data that is independent of the actual operation.
|
6276 | d1c2dd75 | Iustin Pop |
|
6277 | d1c2dd75 | Iustin Pop | """
|
6278 | 72737a7f | Iustin Pop | cfg = self.lu.cfg
|
6279 | e69d05fd | Iustin Pop | cluster_info = cfg.GetClusterInfo() |
6280 | d1c2dd75 | Iustin Pop | # cluster data
|
6281 | d1c2dd75 | Iustin Pop | data = { |
6282 | d1c2dd75 | Iustin Pop | "version": 1, |
6283 | 72737a7f | Iustin Pop | "cluster_name": cfg.GetClusterName(),
|
6284 | e69d05fd | Iustin Pop | "cluster_tags": list(cluster_info.GetTags()), |
6285 | e69d05fd | Iustin Pop | "enable_hypervisors": list(cluster_info.enabled_hypervisors), |
6286 | d1c2dd75 | Iustin Pop | # we don't have job IDs
|
6287 | d61df03e | Iustin Pop | } |
6288 | b57e9819 | Guido Trotter | iinfo = cfg.GetAllInstancesInfo().values() |
6289 | b57e9819 | Guido Trotter | i_list = [(inst, cluster_info.FillBE(inst)) for inst in iinfo] |
6290 | 6286519f | Iustin Pop | |
6291 | d1c2dd75 | Iustin Pop | # node data
|
6292 | d1c2dd75 | Iustin Pop | node_results = {} |
6293 | d1c2dd75 | Iustin Pop | node_list = cfg.GetNodeList() |
6294 | 8cc7e742 | Guido Trotter | |
6295 | 8cc7e742 | Guido Trotter | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
6296 | a0add446 | Iustin Pop | hypervisor_name = self.hypervisor
|
6297 | 8cc7e742 | Guido Trotter | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
6298 | a0add446 | Iustin Pop | hypervisor_name = cfg.GetInstanceInfo(self.name).hypervisor
|
6299 | 8cc7e742 | Guido Trotter | |
6300 | 72737a7f | Iustin Pop | node_data = self.lu.rpc.call_node_info(node_list, cfg.GetVGName(),
|
6301 | a0add446 | Iustin Pop | hypervisor_name) |
6302 | 18640d69 | Guido Trotter | node_iinfo = self.lu.rpc.call_all_instances_info(node_list,
|
6303 | 18640d69 | Guido Trotter | cluster_info.enabled_hypervisors) |
6304 | d1c2dd75 | Iustin Pop | for nname in node_list: |
6305 | d1c2dd75 | Iustin Pop | ninfo = cfg.GetNodeInfo(nname) |
6306 | 781de953 | Iustin Pop | node_data[nname].Raise() |
6307 | 781de953 | Iustin Pop | if not isinstance(node_data[nname].data, dict): |
6308 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't get data for node %s" % nname) |
6309 | 781de953 | Iustin Pop | remote_info = node_data[nname].data |
6310 | b2662e7f | Iustin Pop | for attr in ['memory_total', 'memory_free', 'memory_dom0', |
6311 | 4337cf1b | Iustin Pop | 'vg_size', 'vg_free', 'cpu_total']: |
6312 | d1c2dd75 | Iustin Pop | if attr not in remote_info: |
6313 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' didn't return attribute '%s'" % |
6314 | d1c2dd75 | Iustin Pop | (nname, attr)) |
6315 | d1c2dd75 | Iustin Pop | try:
|
6316 | b2662e7f | Iustin Pop | remote_info[attr] = int(remote_info[attr])
|
6317 | d1c2dd75 | Iustin Pop | except ValueError, err: |
6318 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' returned invalid value for '%s':" |
6319 | d1c2dd75 | Iustin Pop | " %s" % (nname, attr, str(err))) |
6320 | 6286519f | Iustin Pop | # compute memory used by primary instances
|
6321 | 6286519f | Iustin Pop | i_p_mem = i_p_up_mem = 0
|
6322 | 338e51e8 | Iustin Pop | for iinfo, beinfo in i_list: |
6323 | 6286519f | Iustin Pop | if iinfo.primary_node == nname:
|
6324 | 338e51e8 | Iustin Pop | i_p_mem += beinfo[constants.BE_MEMORY] |
6325 | 18640d69 | Guido Trotter | if iinfo.name not in node_iinfo[nname]: |
6326 | 18640d69 | Guido Trotter | i_used_mem = 0
|
6327 | 18640d69 | Guido Trotter | else:
|
6328 | 18640d69 | Guido Trotter | i_used_mem = int(node_iinfo[nname][iinfo.name]['memory']) |
6329 | 18640d69 | Guido Trotter | i_mem_diff = beinfo[constants.BE_MEMORY] - i_used_mem |
6330 | 18640d69 | Guido Trotter | remote_info['memory_free'] -= max(0, i_mem_diff) |
6331 | 18640d69 | Guido Trotter | |
6332 | 6286519f | Iustin Pop | if iinfo.status == "up": |
6333 | 338e51e8 | Iustin Pop | i_p_up_mem += beinfo[constants.BE_MEMORY] |
6334 | 6286519f | Iustin Pop | |
6335 | b2662e7f | Iustin Pop | # compute memory used by instances
|
6336 | d1c2dd75 | Iustin Pop | pnr = { |
6337 | d1c2dd75 | Iustin Pop | "tags": list(ninfo.GetTags()), |
6338 | b2662e7f | Iustin Pop | "total_memory": remote_info['memory_total'], |
6339 | b2662e7f | Iustin Pop | "reserved_memory": remote_info['memory_dom0'], |
6340 | b2662e7f | Iustin Pop | "free_memory": remote_info['memory_free'], |
6341 | 6286519f | Iustin Pop | "i_pri_memory": i_p_mem,
|
6342 | 6286519f | Iustin Pop | "i_pri_up_memory": i_p_up_mem,
|
6343 | b2662e7f | Iustin Pop | "total_disk": remote_info['vg_size'], |
6344 | b2662e7f | Iustin Pop | "free_disk": remote_info['vg_free'], |
6345 | d1c2dd75 | Iustin Pop | "primary_ip": ninfo.primary_ip,
|
6346 | d1c2dd75 | Iustin Pop | "secondary_ip": ninfo.secondary_ip,
|
6347 | 4337cf1b | Iustin Pop | "total_cpus": remote_info['cpu_total'], |
6348 | fc0fe88c | Iustin Pop | "offline": ninfo.offline,
|
6349 | d1c2dd75 | Iustin Pop | } |
6350 | d1c2dd75 | Iustin Pop | node_results[nname] = pnr |
6351 | d1c2dd75 | Iustin Pop | data["nodes"] = node_results
|
6352 | d1c2dd75 | Iustin Pop | |
6353 | d1c2dd75 | Iustin Pop | # instance data
|
6354 | d1c2dd75 | Iustin Pop | instance_data = {} |
6355 | 338e51e8 | Iustin Pop | for iinfo, beinfo in i_list: |
6356 | d1c2dd75 | Iustin Pop | nic_data = [{"mac": n.mac, "ip": n.ip, "bridge": n.bridge} |
6357 | d1c2dd75 | Iustin Pop | for n in iinfo.nics] |
6358 | d1c2dd75 | Iustin Pop | pir = { |
6359 | d1c2dd75 | Iustin Pop | "tags": list(iinfo.GetTags()), |
6360 | d1c2dd75 | Iustin Pop | "should_run": iinfo.status == "up", |
6361 | 338e51e8 | Iustin Pop | "vcpus": beinfo[constants.BE_VCPUS],
|
6362 | 338e51e8 | Iustin Pop | "memory": beinfo[constants.BE_MEMORY],
|
6363 | d1c2dd75 | Iustin Pop | "os": iinfo.os,
|
6364 | d1c2dd75 | Iustin Pop | "nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes), |
6365 | d1c2dd75 | Iustin Pop | "nics": nic_data,
|
6366 | d1c2dd75 | Iustin Pop | "disks": [{"size": dsk.size, "mode": "w"} for dsk in iinfo.disks], |
6367 | d1c2dd75 | Iustin Pop | "disk_template": iinfo.disk_template,
|
6368 | e69d05fd | Iustin Pop | "hypervisor": iinfo.hypervisor,
|
6369 | d1c2dd75 | Iustin Pop | } |
6370 | 768f0a80 | Iustin Pop | instance_data[iinfo.name] = pir |
6371 | d61df03e | Iustin Pop | |
6372 | d1c2dd75 | Iustin Pop | data["instances"] = instance_data
|
6373 | d61df03e | Iustin Pop | |
6374 | d1c2dd75 | Iustin Pop | self.in_data = data
|
6375 | d61df03e | Iustin Pop | |
6376 | d1c2dd75 | Iustin Pop | def _AddNewInstance(self): |
6377 | d1c2dd75 | Iustin Pop | """Add new instance data to allocator structure.
|
6378 | d61df03e | Iustin Pop |
|
6379 | d1c2dd75 | Iustin Pop | This in combination with _AllocatorGetClusterData will create the
|
6380 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
6381 | d61df03e | Iustin Pop |
|
6382 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
6383 | d1c2dd75 | Iustin Pop | done.
|
6384 | d61df03e | Iustin Pop |
|
6385 | d1c2dd75 | Iustin Pop | """
|
6386 | d1c2dd75 | Iustin Pop | data = self.in_data
|
6387 | d1c2dd75 | Iustin Pop | if len(self.disks) != 2: |
6388 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Only two-disk configurations supported") |
6389 | d1c2dd75 | Iustin Pop | |
6390 | dafc7302 | Guido Trotter | disk_space = _ComputeDiskSize(self.disk_template, self.disks) |
6391 | d1c2dd75 | Iustin Pop | |
6392 | 27579978 | Iustin Pop | if self.disk_template in constants.DTS_NET_MIRROR: |
6393 | 27579978 | Iustin Pop | self.required_nodes = 2 |
6394 | 27579978 | Iustin Pop | else:
|
6395 | 27579978 | Iustin Pop | self.required_nodes = 1 |
6396 | d1c2dd75 | Iustin Pop | request = { |
6397 | d1c2dd75 | Iustin Pop | "type": "allocate", |
6398 | d1c2dd75 | Iustin Pop | "name": self.name, |
6399 | d1c2dd75 | Iustin Pop | "disk_template": self.disk_template, |
6400 | d1c2dd75 | Iustin Pop | "tags": self.tags, |
6401 | d1c2dd75 | Iustin Pop | "os": self.os, |
6402 | d1c2dd75 | Iustin Pop | "vcpus": self.vcpus, |
6403 | d1c2dd75 | Iustin Pop | "memory": self.mem_size, |
6404 | d1c2dd75 | Iustin Pop | "disks": self.disks, |
6405 | d1c2dd75 | Iustin Pop | "disk_space_total": disk_space,
|
6406 | d1c2dd75 | Iustin Pop | "nics": self.nics, |
6407 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
6408 | d1c2dd75 | Iustin Pop | } |
6409 | d1c2dd75 | Iustin Pop | data["request"] = request
|
6410 | 298fe380 | Iustin Pop | |
6411 | d1c2dd75 | Iustin Pop | def _AddRelocateInstance(self): |
6412 | d1c2dd75 | Iustin Pop | """Add relocate instance data to allocator structure.
|
6413 | 298fe380 | Iustin Pop |
|
6414 | d1c2dd75 | Iustin Pop | This in combination with _IAllocatorGetClusterData will create the
|
6415 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
6416 | d61df03e | Iustin Pop |
|
6417 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
6418 | d1c2dd75 | Iustin Pop | done.
|
6419 | d61df03e | Iustin Pop |
|
6420 | d1c2dd75 | Iustin Pop | """
|
6421 | 72737a7f | Iustin Pop | instance = self.lu.cfg.GetInstanceInfo(self.name) |
6422 | 27579978 | Iustin Pop | if instance is None: |
6423 | 27579978 | Iustin Pop | raise errors.ProgrammerError("Unknown instance '%s' passed to" |
6424 | 27579978 | Iustin Pop | " IAllocator" % self.name) |
6425 | 27579978 | Iustin Pop | |
6426 | 27579978 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
6427 | 27579978 | Iustin Pop | raise errors.OpPrereqError("Can't relocate non-mirrored instances") |
6428 | 27579978 | Iustin Pop | |
6429 | 2a139bb0 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
6430 | 2a139bb0 | Iustin Pop | raise errors.OpPrereqError("Instance has not exactly one secondary node") |
6431 | 2a139bb0 | Iustin Pop | |
6432 | 27579978 | Iustin Pop | self.required_nodes = 1 |
6433 | dafc7302 | Guido Trotter | disk_sizes = [{'size': disk.size} for disk in instance.disks] |
6434 | dafc7302 | Guido Trotter | disk_space = _ComputeDiskSize(instance.disk_template, disk_sizes) |
6435 | 27579978 | Iustin Pop | |
6436 | d1c2dd75 | Iustin Pop | request = { |
6437 | 2a139bb0 | Iustin Pop | "type": "relocate", |
6438 | d1c2dd75 | Iustin Pop | "name": self.name, |
6439 | 27579978 | Iustin Pop | "disk_space_total": disk_space,
|
6440 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
6441 | 29859cb7 | Iustin Pop | "relocate_from": self.relocate_from, |
6442 | d1c2dd75 | Iustin Pop | } |
6443 | 27579978 | Iustin Pop | self.in_data["request"] = request |
6444 | d61df03e | Iustin Pop | |
6445 | d1c2dd75 | Iustin Pop | def _BuildInputData(self): |
6446 | d1c2dd75 | Iustin Pop | """Build input data structures.
|
6447 | d61df03e | Iustin Pop |
|
6448 | d1c2dd75 | Iustin Pop | """
|
6449 | d1c2dd75 | Iustin Pop | self._ComputeClusterData()
|
6450 | d61df03e | Iustin Pop | |
6451 | d1c2dd75 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
6452 | d1c2dd75 | Iustin Pop | self._AddNewInstance()
|
6453 | d1c2dd75 | Iustin Pop | else:
|
6454 | d1c2dd75 | Iustin Pop | self._AddRelocateInstance()
|
6455 | d61df03e | Iustin Pop | |
6456 | d1c2dd75 | Iustin Pop | self.in_text = serializer.Dump(self.in_data) |
6457 | d61df03e | Iustin Pop | |
6458 | 72737a7f | Iustin Pop | def Run(self, name, validate=True, call_fn=None): |
6459 | d1c2dd75 | Iustin Pop | """Run an instance allocator and return the results.
|
6460 | 298fe380 | Iustin Pop |
|
6461 | d1c2dd75 | Iustin Pop | """
|
6462 | 72737a7f | Iustin Pop | if call_fn is None: |
6463 | 72737a7f | Iustin Pop | call_fn = self.lu.rpc.call_iallocator_runner
|
6464 | d1c2dd75 | Iustin Pop | data = self.in_text
|
6465 | 298fe380 | Iustin Pop | |
6466 | 72737a7f | Iustin Pop | result = call_fn(self.lu.cfg.GetMasterNode(), name, self.in_text) |
6467 | 781de953 | Iustin Pop | result.Raise() |
6468 | 298fe380 | Iustin Pop | |
6469 | 781de953 | Iustin Pop | if not isinstance(result.data, (list, tuple)) or len(result.data) != 4: |
6470 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Invalid result from master iallocator runner") |
6471 | 8d528b7c | Iustin Pop | |
6472 | 781de953 | Iustin Pop | rcode, stdout, stderr, fail = result.data |
6473 | 8d528b7c | Iustin Pop | |
6474 | 8d528b7c | Iustin Pop | if rcode == constants.IARUN_NOTFOUND:
|
6475 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Can't find allocator '%s'" % name) |
6476 | 8d528b7c | Iustin Pop | elif rcode == constants.IARUN_FAILURE:
|
6477 | 38206f3c | Iustin Pop | raise errors.OpExecError("Instance allocator call failed: %s," |
6478 | 38206f3c | Iustin Pop | " output: %s" % (fail, stdout+stderr))
|
6479 | 8d528b7c | Iustin Pop | self.out_text = stdout
|
6480 | d1c2dd75 | Iustin Pop | if validate:
|
6481 | d1c2dd75 | Iustin Pop | self._ValidateResult()
|
6482 | 298fe380 | Iustin Pop | |
6483 | d1c2dd75 | Iustin Pop | def _ValidateResult(self): |
6484 | d1c2dd75 | Iustin Pop | """Process the allocator results.
|
6485 | 538475ca | Iustin Pop |
|
6486 | d1c2dd75 | Iustin Pop | This will process and if successful save the result in
|
6487 | d1c2dd75 | Iustin Pop | self.out_data and the other parameters.
|
6488 | 538475ca | Iustin Pop |
|
6489 | d1c2dd75 | Iustin Pop | """
|
6490 | d1c2dd75 | Iustin Pop | try:
|
6491 | d1c2dd75 | Iustin Pop | rdict = serializer.Load(self.out_text)
|
6492 | d1c2dd75 | Iustin Pop | except Exception, err: |
6493 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: %s" % str(err)) |
6494 | d1c2dd75 | Iustin Pop | |
6495 | d1c2dd75 | Iustin Pop | if not isinstance(rdict, dict): |
6496 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: not a dict") |
6497 | 538475ca | Iustin Pop | |
6498 | d1c2dd75 | Iustin Pop | for key in "success", "info", "nodes": |
6499 | d1c2dd75 | Iustin Pop | if key not in rdict: |
6500 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results:" |
6501 | d1c2dd75 | Iustin Pop | " missing key '%s'" % key)
|
6502 | d1c2dd75 | Iustin Pop | setattr(self, key, rdict[key]) |
6503 | 538475ca | Iustin Pop | |
6504 | d1c2dd75 | Iustin Pop | if not isinstance(rdict["nodes"], list): |
6505 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: 'nodes' key" |
6506 | d1c2dd75 | Iustin Pop | " is not a list")
|
6507 | d1c2dd75 | Iustin Pop | self.out_data = rdict
|
6508 | 538475ca | Iustin Pop | |
6509 | 538475ca | Iustin Pop | |
6510 | d61df03e | Iustin Pop | class LUTestAllocator(NoHooksLU): |
6511 | d61df03e | Iustin Pop | """Run allocator tests.
|
6512 | d61df03e | Iustin Pop |
|
6513 | d61df03e | Iustin Pop | This LU runs the allocator tests
|
6514 | d61df03e | Iustin Pop |
|
6515 | d61df03e | Iustin Pop | """
|
6516 | d61df03e | Iustin Pop | _OP_REQP = ["direction", "mode", "name"] |
6517 | d61df03e | Iustin Pop | |
6518 | d61df03e | Iustin Pop | def CheckPrereq(self): |
6519 | d61df03e | Iustin Pop | """Check prerequisites.
|
6520 | d61df03e | Iustin Pop |
|
6521 | d61df03e | Iustin Pop | This checks the opcode parameters depending on the director and mode test.
|
6522 | d61df03e | Iustin Pop |
|
6523 | d61df03e | Iustin Pop | """
|
6524 | 298fe380 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
6525 | d61df03e | Iustin Pop | for attr in ["name", "mem_size", "disks", "disk_template", |
6526 | d61df03e | Iustin Pop | "os", "tags", "nics", "vcpus"]: |
6527 | d61df03e | Iustin Pop | if not hasattr(self.op, attr): |
6528 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute '%s' on opcode input" % |
6529 | d61df03e | Iustin Pop | attr) |
6530 | d61df03e | Iustin Pop | iname = self.cfg.ExpandInstanceName(self.op.name) |
6531 | d61df03e | Iustin Pop | if iname is not None: |
6532 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' already in the cluster" % |
6533 | d61df03e | Iustin Pop | iname) |
6534 | d61df03e | Iustin Pop | if not isinstance(self.op.nics, list): |
6535 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'nics'") |
6536 | d61df03e | Iustin Pop | for row in self.op.nics: |
6537 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
6538 | d61df03e | Iustin Pop | "mac" not in row or |
6539 | d61df03e | Iustin Pop | "ip" not in row or |
6540 | d61df03e | Iustin Pop | "bridge" not in row): |
6541 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
6542 | d61df03e | Iustin Pop | " 'nics' parameter")
|
6543 | d61df03e | Iustin Pop | if not isinstance(self.op.disks, list): |
6544 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'disks'") |
6545 | 298fe380 | Iustin Pop | if len(self.op.disks) != 2: |
6546 | 298fe380 | Iustin Pop | raise errors.OpPrereqError("Only two-disk configurations supported") |
6547 | d61df03e | Iustin Pop | for row in self.op.disks: |
6548 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
6549 | d61df03e | Iustin Pop | "size" not in row or |
6550 | d61df03e | Iustin Pop | not isinstance(row["size"], int) or |
6551 | d61df03e | Iustin Pop | "mode" not in row or |
6552 | d61df03e | Iustin Pop | row["mode"] not in ['r', 'w']): |
6553 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
6554 | d61df03e | Iustin Pop | " 'disks' parameter")
|
6555 | 8cc7e742 | Guido Trotter | if self.op.hypervisor is None: |
6556 | 8cc7e742 | Guido Trotter | self.op.hypervisor = self.cfg.GetHypervisorType() |
6557 | 298fe380 | Iustin Pop | elif self.op.mode == constants.IALLOCATOR_MODE_RELOC: |
6558 | d61df03e | Iustin Pop | if not hasattr(self.op, "name"): |
6559 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute 'name' on opcode input") |
6560 | d61df03e | Iustin Pop | fname = self.cfg.ExpandInstanceName(self.op.name) |
6561 | d61df03e | Iustin Pop | if fname is None: |
6562 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found for relocation" % |
6563 | d61df03e | Iustin Pop | self.op.name)
|
6564 | d61df03e | Iustin Pop | self.op.name = fname
|
6565 | 29859cb7 | Iustin Pop | self.relocate_from = self.cfg.GetInstanceInfo(fname).secondary_nodes |
6566 | d61df03e | Iustin Pop | else:
|
6567 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid test allocator mode '%s'" % |
6568 | d61df03e | Iustin Pop | self.op.mode)
|
6569 | d61df03e | Iustin Pop | |
6570 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_OUT: |
6571 | 298fe380 | Iustin Pop | if not hasattr(self.op, "allocator") or self.op.allocator is None: |
6572 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing allocator name") |
6573 | 298fe380 | Iustin Pop | elif self.op.direction != constants.IALLOCATOR_DIR_IN: |
6574 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Wrong allocator test '%s'" % |
6575 | d61df03e | Iustin Pop | self.op.direction)
|
6576 | d61df03e | Iustin Pop | |
6577 | d61df03e | Iustin Pop | def Exec(self, feedback_fn): |
6578 | d61df03e | Iustin Pop | """Run the allocator test.
|
6579 | d61df03e | Iustin Pop |
|
6580 | d61df03e | Iustin Pop | """
|
6581 | 29859cb7 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
6582 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
6583 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
6584 | 29859cb7 | Iustin Pop | name=self.op.name,
|
6585 | 29859cb7 | Iustin Pop | mem_size=self.op.mem_size,
|
6586 | 29859cb7 | Iustin Pop | disks=self.op.disks,
|
6587 | 29859cb7 | Iustin Pop | disk_template=self.op.disk_template,
|
6588 | 29859cb7 | Iustin Pop | os=self.op.os,
|
6589 | 29859cb7 | Iustin Pop | tags=self.op.tags,
|
6590 | 29859cb7 | Iustin Pop | nics=self.op.nics,
|
6591 | 29859cb7 | Iustin Pop | vcpus=self.op.vcpus,
|
6592 | 8cc7e742 | Guido Trotter | hypervisor=self.op.hypervisor,
|
6593 | 29859cb7 | Iustin Pop | ) |
6594 | 29859cb7 | Iustin Pop | else:
|
6595 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
6596 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
6597 | 29859cb7 | Iustin Pop | name=self.op.name,
|
6598 | 29859cb7 | Iustin Pop | relocate_from=list(self.relocate_from), |
6599 | 29859cb7 | Iustin Pop | ) |
6600 | d61df03e | Iustin Pop | |
6601 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_IN: |
6602 | d1c2dd75 | Iustin Pop | result = ial.in_text |
6603 | 298fe380 | Iustin Pop | else:
|
6604 | d1c2dd75 | Iustin Pop | ial.Run(self.op.allocator, validate=False) |
6605 | d1c2dd75 | Iustin Pop | result = ial.out_text |
6606 | 298fe380 | Iustin Pop | return result |