root / lib / cmdlib.py @ c4a2fee1
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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 | a8083063 | Iustin Pop | |
34 | a8083063 | Iustin Pop | from ganeti import rpc |
35 | a8083063 | Iustin Pop | from ganeti import ssh |
36 | a8083063 | Iustin Pop | from ganeti import logger |
37 | a8083063 | Iustin Pop | from ganeti import utils |
38 | a8083063 | Iustin Pop | from ganeti import errors |
39 | a8083063 | Iustin Pop | from ganeti import hypervisor |
40 | 6048c986 | Guido Trotter | from ganeti import locking |
41 | a8083063 | Iustin Pop | from ganeti import config |
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 | a8083063 | Iustin Pop | from ganeti import ssconf |
46 | 8d14b30d | Iustin Pop | from ganeti import serializer |
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 | 05f86716 | Guido Trotter | REQ_MASTER: the LU needs to run on the master node
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60 | 05f86716 | Guido Trotter | REQ_WSSTORE: the LU needs a writable SimpleStore
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61 | 7e55040e | Guido Trotter | REQ_BGL: the LU needs to hold the Big Ganeti Lock exclusively
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62 | 05f86716 | Guido Trotter |
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63 | 05f86716 | Guido Trotter | Note that all commands require root permissions.
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64 | a8083063 | Iustin Pop |
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65 | a8083063 | Iustin Pop | """
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66 | a8083063 | Iustin Pop | HPATH = None
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67 | a8083063 | Iustin Pop | HTYPE = None
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68 | a8083063 | Iustin Pop | _OP_REQP = [] |
69 | a8083063 | Iustin Pop | REQ_MASTER = True
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70 | 05f86716 | Guido Trotter | REQ_WSSTORE = False
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71 | 7e55040e | Guido Trotter | REQ_BGL = True
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72 | a8083063 | Iustin Pop | |
73 | 77b657a3 | Guido Trotter | def __init__(self, processor, op, context, sstore): |
74 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
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75 | a8083063 | Iustin Pop |
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76 | a8083063 | Iustin Pop | This needs to be overriden in derived classes in order to check op
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77 | a8083063 | Iustin Pop | validity.
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78 | a8083063 | Iustin Pop |
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79 | a8083063 | Iustin Pop | """
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80 | 5bfac263 | Iustin Pop | self.proc = processor
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81 | a8083063 | Iustin Pop | self.op = op
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82 | 77b657a3 | Guido Trotter | self.cfg = context.cfg
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83 | a8083063 | Iustin Pop | self.sstore = sstore
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84 | 77b657a3 | Guido Trotter | self.context = context
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85 | d465bdc8 | Guido Trotter | self.needed_locks = None |
86 | 3977a4c1 | Guido Trotter | self.share_locks = dict(((i, 0) for i in locking.LEVELS)) |
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 | c92b310a | Michael Hanselmann | |
91 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
92 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
93 | a8083063 | Iustin Pop | if attr_val is None: |
94 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
95 | 3ecf6786 | Iustin Pop | attr_name) |
96 | c6d58a2b | Michael Hanselmann | |
97 | f64c9de6 | Guido Trotter | if not self.cfg.IsCluster(): |
98 | c6d58a2b | Michael Hanselmann | raise errors.OpPrereqError("Cluster not initialized yet," |
99 | c6d58a2b | Michael Hanselmann | " use 'gnt-cluster init' first.")
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100 | c6d58a2b | Michael Hanselmann | if self.REQ_MASTER: |
101 | c6d58a2b | Michael Hanselmann | master = sstore.GetMasterNode() |
102 | c6d58a2b | Michael Hanselmann | if master != utils.HostInfo().name:
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103 | c6d58a2b | Michael Hanselmann | raise errors.OpPrereqError("Commands must be run on the master" |
104 | c6d58a2b | Michael Hanselmann | " node %s" % master)
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105 | a8083063 | Iustin Pop | |
106 | c92b310a | Michael Hanselmann | def __GetSSH(self): |
107 | c92b310a | Michael Hanselmann | """Returns the SshRunner object
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108 | c92b310a | Michael Hanselmann |
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109 | c92b310a | Michael Hanselmann | """
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110 | c92b310a | Michael Hanselmann | if not self.__ssh: |
111 | 1ff08570 | Michael Hanselmann | self.__ssh = ssh.SshRunner(self.sstore) |
112 | c92b310a | Michael Hanselmann | return self.__ssh |
113 | c92b310a | Michael Hanselmann | |
114 | c92b310a | Michael Hanselmann | ssh = property(fget=__GetSSH)
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115 | c92b310a | Michael Hanselmann | |
116 | d465bdc8 | Guido Trotter | def ExpandNames(self): |
117 | d465bdc8 | Guido Trotter | """Expand names for this LU.
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118 | d465bdc8 | Guido Trotter |
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119 | d465bdc8 | Guido Trotter | This method is called before starting to execute the opcode, and it should
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120 | d465bdc8 | Guido Trotter | update all the parameters of the opcode to their canonical form (e.g. a
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121 | d465bdc8 | Guido Trotter | short node name must be fully expanded after this method has successfully
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122 | d465bdc8 | Guido Trotter | completed). This way locking, hooks, logging, ecc. can work correctly.
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123 | d465bdc8 | Guido Trotter |
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124 | d465bdc8 | Guido Trotter | LUs which implement this method must also populate the self.needed_locks
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125 | d465bdc8 | Guido Trotter | member, as a dict with lock levels as keys, and a list of needed lock names
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126 | d465bdc8 | Guido Trotter | as values. Rules:
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127 | d465bdc8 | Guido Trotter | - Use an empty dict if you don't need any lock
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128 | d465bdc8 | Guido Trotter | - If you don't need any lock at a particular level omit that level
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129 | d465bdc8 | Guido Trotter | - Don't put anything for the BGL level
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130 | d465bdc8 | Guido Trotter | - If you want all locks at a level use None as a value
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131 | d465bdc8 | Guido Trotter | (this reflects what LockSet does, and will be replaced before
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132 | d465bdc8 | Guido Trotter | CheckPrereq with the full list of nodes that have been locked)
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133 | d465bdc8 | Guido Trotter |
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134 | 3977a4c1 | Guido Trotter | If you need to share locks (rather than acquire them exclusively) at one
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135 | 3977a4c1 | Guido Trotter | level you can modify self.share_locks, setting a true value (usually 1) for
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136 | 3977a4c1 | Guido Trotter | that level. By default locks are not shared.
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137 | 3977a4c1 | Guido Trotter |
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138 | d465bdc8 | Guido Trotter | Examples:
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139 | d465bdc8 | Guido Trotter | # Acquire all nodes and one instance
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140 | d465bdc8 | Guido Trotter | self.needed_locks = {
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141 | d465bdc8 | Guido Trotter | locking.LEVEL_NODE: None,
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142 | d465bdc8 | Guido Trotter | locking.LEVEL_INSTANCES: ['instance1.example.tld'],
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143 | d465bdc8 | Guido Trotter | }
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144 | d465bdc8 | Guido Trotter | # Acquire just two nodes
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145 | d465bdc8 | Guido Trotter | self.needed_locks = {
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146 | d465bdc8 | Guido Trotter | locking.LEVEL_NODE: ['node1.example.tld', 'node2.example.tld'],
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147 | d465bdc8 | Guido Trotter | }
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148 | d465bdc8 | Guido Trotter | # Acquire no locks
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149 | d465bdc8 | Guido Trotter | self.needed_locks = {} # No, you can't leave it to the default value None
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150 | d465bdc8 | Guido Trotter |
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151 | d465bdc8 | Guido Trotter | """
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152 | d465bdc8 | Guido Trotter | # The implementation of this method is mandatory only if the new LU is
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153 | d465bdc8 | Guido Trotter | # concurrent, so that old LUs don't need to be changed all at the same
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154 | d465bdc8 | Guido Trotter | # time.
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155 | d465bdc8 | Guido Trotter | if self.REQ_BGL: |
156 | d465bdc8 | Guido Trotter | self.needed_locks = {} # Exclusive LUs don't need locks. |
157 | d465bdc8 | Guido Trotter | else:
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158 | d465bdc8 | Guido Trotter | raise NotImplementedError |
159 | d465bdc8 | Guido Trotter | |
160 | fb8dcb62 | Guido Trotter | def DeclareLocks(self, level): |
161 | fb8dcb62 | Guido Trotter | """Declare LU locking needs for a level
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162 | fb8dcb62 | Guido Trotter |
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163 | fb8dcb62 | Guido Trotter | While most LUs can just declare their locking needs at ExpandNames time,
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164 | fb8dcb62 | Guido Trotter | sometimes there's the need to calculate some locks after having acquired
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165 | fb8dcb62 | Guido Trotter | the ones before. This function is called just before acquiring locks at a
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166 | fb8dcb62 | Guido Trotter | particular level, but after acquiring the ones at lower levels, and permits
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167 | fb8dcb62 | Guido Trotter | such calculations. It can be used to modify self.needed_locks, and by
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168 | fb8dcb62 | Guido Trotter | default it does nothing.
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169 | fb8dcb62 | Guido Trotter |
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170 | fb8dcb62 | Guido Trotter | This function is only called if you have something already set in
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171 | fb8dcb62 | Guido Trotter | self.needed_locks for the level.
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172 | fb8dcb62 | Guido Trotter |
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173 | fb8dcb62 | Guido Trotter | @param level: Locking level which is going to be locked
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174 | fb8dcb62 | Guido Trotter | @type level: member of ganeti.locking.LEVELS
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175 | fb8dcb62 | Guido Trotter |
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176 | fb8dcb62 | Guido Trotter | """
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177 | fb8dcb62 | Guido Trotter | |
178 | a8083063 | Iustin Pop | def CheckPrereq(self): |
179 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
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180 | a8083063 | Iustin Pop |
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181 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
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182 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
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183 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
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184 | a8083063 | Iustin Pop | allowed.
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185 | a8083063 | Iustin Pop |
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186 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
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187 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
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188 | a8083063 | Iustin Pop |
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189 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
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190 | d465bdc8 | Guido Trotter | their canonical form if it hasn't been done by ExpandNames before.
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191 | a8083063 | Iustin Pop |
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192 | a8083063 | Iustin Pop | """
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193 | a8083063 | Iustin Pop | raise NotImplementedError |
194 | a8083063 | Iustin Pop | |
195 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
196 | a8083063 | Iustin Pop | """Execute the LU.
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197 | a8083063 | Iustin Pop |
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198 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
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199 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
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200 | a8083063 | Iustin Pop | code, or expected.
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201 | a8083063 | Iustin Pop |
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202 | a8083063 | Iustin Pop | """
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203 | a8083063 | Iustin Pop | raise NotImplementedError |
204 | a8083063 | Iustin Pop | |
205 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
206 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
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207 | a8083063 | Iustin Pop |
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208 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
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209 | a8083063 | Iustin Pop | containing the environment that will be used for running the
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210 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
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211 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
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212 | a8083063 | Iustin Pop | the hook should run after the execution.
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213 | a8083063 | Iustin Pop |
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214 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
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215 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
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216 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
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217 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
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218 | a8083063 | Iustin Pop |
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219 | 8a3fe350 | Guido Trotter | No nodes should be returned as an empty list (and not None).
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220 | a8083063 | Iustin Pop |
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221 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
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222 | a8083063 | Iustin Pop | not be called.
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223 | a8083063 | Iustin Pop |
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224 | a8083063 | Iustin Pop | """
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225 | a8083063 | Iustin Pop | raise NotImplementedError |
226 | a8083063 | Iustin Pop | |
227 | 1fce5219 | Guido Trotter | def HooksCallBack(self, phase, hook_results, feedback_fn, lu_result): |
228 | 1fce5219 | Guido Trotter | """Notify the LU about the results of its hooks.
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229 | 1fce5219 | Guido Trotter |
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230 | 1fce5219 | Guido Trotter | This method is called every time a hooks phase is executed, and notifies
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231 | 1fce5219 | Guido Trotter | the Logical Unit about the hooks' result. The LU can then use it to alter
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232 | 1fce5219 | Guido Trotter | its result based on the hooks. By default the method does nothing and the
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233 | 1fce5219 | Guido Trotter | previous result is passed back unchanged but any LU can define it if it
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234 | 1fce5219 | Guido Trotter | wants to use the local cluster hook-scripts somehow.
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235 | 1fce5219 | Guido Trotter |
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236 | 1fce5219 | Guido Trotter | Args:
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237 | 1fce5219 | Guido Trotter | phase: the hooks phase that has just been run
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238 | 1fce5219 | Guido Trotter | hooks_results: the results of the multi-node hooks rpc call
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239 | 1fce5219 | Guido Trotter | feedback_fn: function to send feedback back to the caller
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240 | 1fce5219 | Guido Trotter | lu_result: the previous result this LU had, or None in the PRE phase.
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241 | 1fce5219 | Guido Trotter |
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242 | 1fce5219 | Guido Trotter | """
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243 | 1fce5219 | Guido Trotter | return lu_result
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244 | 1fce5219 | Guido Trotter | |
245 | 43905206 | Guido Trotter | def _ExpandAndLockInstance(self): |
246 | 43905206 | Guido Trotter | """Helper function to expand and lock an instance.
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247 | 43905206 | Guido Trotter |
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248 | 43905206 | Guido Trotter | Many LUs that work on an instance take its name in self.op.instance_name
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249 | 43905206 | Guido Trotter | and need to expand it and then declare the expanded name for locking. This
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250 | 43905206 | Guido Trotter | function does it, and then updates self.op.instance_name to the expanded
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251 | 43905206 | Guido Trotter | name. It also initializes needed_locks as a dict, if this hasn't been done
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252 | 43905206 | Guido Trotter | before.
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253 | 43905206 | Guido Trotter |
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254 | 43905206 | Guido Trotter | """
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255 | 43905206 | Guido Trotter | if self.needed_locks is None: |
256 | 43905206 | Guido Trotter | self.needed_locks = {}
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257 | 43905206 | Guido Trotter | else:
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258 | 43905206 | Guido Trotter | assert locking.LEVEL_INSTANCE not in self.needed_locks, \ |
259 | 43905206 | Guido Trotter | "_ExpandAndLockInstance called with instance-level locks set"
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260 | 43905206 | Guido Trotter | expanded_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
261 | 43905206 | Guido Trotter | if expanded_name is None: |
262 | 43905206 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
263 | 43905206 | Guido Trotter | self.op.instance_name)
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264 | 43905206 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = expanded_name
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265 | 43905206 | Guido Trotter | self.op.instance_name = expanded_name
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266 | 43905206 | Guido Trotter | |
267 | c4a2fee1 | Guido Trotter | def _LockInstancesNodes(self): |
268 | c4a2fee1 | Guido Trotter | """Helper function to declare instances' nodes for locking.
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269 | c4a2fee1 | Guido Trotter |
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270 | c4a2fee1 | Guido Trotter | This function should be called after locking one or more instances to lock
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271 | c4a2fee1 | Guido Trotter | their nodes. Its effect is populating self.needed_locks[locking.LEVEL_NODE]
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272 | c4a2fee1 | Guido Trotter | with all primary or secondary nodes for instances already locked and
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273 | c4a2fee1 | Guido Trotter | present in self.needed_locks[locking.LEVEL_INSTANCE].
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274 | c4a2fee1 | Guido Trotter |
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275 | c4a2fee1 | Guido Trotter | It should be called from DeclareLocks, and for safety only works if
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276 | c4a2fee1 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] is set.
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277 | c4a2fee1 | Guido Trotter |
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278 | c4a2fee1 | Guido Trotter | In the future it may grow parameters to just lock some instance's nodes, or
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279 | c4a2fee1 | Guido Trotter | to just lock primaries or secondary nodes, if needed.
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280 | c4a2fee1 | Guido Trotter |
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281 | c4a2fee1 | Guido Trotter | If should be called in DeclareLocks in a way similar to:
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282 | c4a2fee1 | Guido Trotter |
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283 | c4a2fee1 | Guido Trotter | if level == locking.LEVEL_NODE:
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284 | c4a2fee1 | Guido Trotter | self._LockInstancesNodes()
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285 | c4a2fee1 | Guido Trotter |
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286 | c4a2fee1 | Guido Trotter | """
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287 | c4a2fee1 | Guido Trotter | assert locking.LEVEL_NODE in self.recalculate_locks, \ |
288 | c4a2fee1 | Guido Trotter | "_LockInstancesNodes helper function called with no nodes to recalculate"
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289 | c4a2fee1 | Guido Trotter | |
290 | c4a2fee1 | Guido Trotter | # TODO: check if we're really been called with the instance locks held
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291 | c4a2fee1 | Guido Trotter | |
292 | c4a2fee1 | Guido Trotter | # For now we'll replace self.needed_locks[locking.LEVEL_NODE], but in the
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293 | c4a2fee1 | Guido Trotter | # future we might want to have different behaviors depending on the value
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294 | c4a2fee1 | Guido Trotter | # of self.recalculate_locks[locking.LEVEL_NODE]
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295 | c4a2fee1 | Guido Trotter | wanted_nodes = [] |
296 | c4a2fee1 | Guido Trotter | for instance_name in self.needed_locks[locking.LEVEL_INSTANCE]: |
297 | c4a2fee1 | Guido Trotter | instance = self.context.cfg.GetInstanceInfo(instance_name)
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298 | c4a2fee1 | Guido Trotter | wanted_nodes.append(instance.primary_node) |
299 | c4a2fee1 | Guido Trotter | wanted_nodes.extend(instance.secondary_nodes) |
300 | c4a2fee1 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = wanted_nodes
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301 | c4a2fee1 | Guido Trotter | |
302 | c4a2fee1 | Guido Trotter | del self.recalculate_locks[locking.LEVEL_NODE] |
303 | c4a2fee1 | Guido Trotter | |
304 | a8083063 | Iustin Pop | |
305 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
306 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
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307 | a8083063 | Iustin Pop |
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308 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
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309 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
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310 | a8083063 | Iustin Pop |
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311 | a8083063 | Iustin Pop | """
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312 | a8083063 | Iustin Pop | HPATH = None
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313 | a8083063 | Iustin Pop | HTYPE = None
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314 | a8083063 | Iustin Pop | |
315 | a8083063 | Iustin Pop | |
316 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
317 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
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318 | 83120a01 | Michael Hanselmann |
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319 | 83120a01 | Michael Hanselmann | Args:
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320 | 83120a01 | Michael Hanselmann | nodes: List of nodes (strings) or None for all
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321 | 83120a01 | Michael Hanselmann |
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322 | 83120a01 | Michael Hanselmann | """
|
323 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
324 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
325 | dcb93971 | Michael Hanselmann | |
326 | dcb93971 | Michael Hanselmann | if nodes:
|
327 | 3312b702 | Iustin Pop | wanted = [] |
328 | dcb93971 | Michael Hanselmann | |
329 | dcb93971 | Michael Hanselmann | for name in nodes: |
330 | a7ba5e53 | Iustin Pop | node = lu.cfg.ExpandNodeName(name) |
331 | dcb93971 | Michael Hanselmann | if node is None: |
332 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such node name '%s'" % name) |
333 | 3312b702 | Iustin Pop | wanted.append(node) |
334 | dcb93971 | Michael Hanselmann | |
335 | dcb93971 | Michael Hanselmann | else:
|
336 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetNodeList() |
337 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
338 | 3312b702 | Iustin Pop | |
339 | 3312b702 | Iustin Pop | |
340 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
341 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
|
342 | 3312b702 | Iustin Pop |
|
343 | 3312b702 | Iustin Pop | Args:
|
344 | 3312b702 | Iustin Pop | instances: List of instances (strings) or None for all
|
345 | 3312b702 | Iustin Pop |
|
346 | 3312b702 | Iustin Pop | """
|
347 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
348 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
349 | 3312b702 | Iustin Pop | |
350 | 3312b702 | Iustin Pop | if instances:
|
351 | 3312b702 | Iustin Pop | wanted = [] |
352 | 3312b702 | Iustin Pop | |
353 | 3312b702 | Iustin Pop | for name in instances: |
354 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
355 | 3312b702 | Iustin Pop | if instance is None: |
356 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
357 | 3312b702 | Iustin Pop | wanted.append(instance) |
358 | 3312b702 | Iustin Pop | |
359 | 3312b702 | Iustin Pop | else:
|
360 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetInstanceList() |
361 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
362 | dcb93971 | Michael Hanselmann | |
363 | dcb93971 | Michael Hanselmann | |
364 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
365 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
|
366 | 83120a01 | Michael Hanselmann |
|
367 | 83120a01 | Michael Hanselmann | Args:
|
368 | 83120a01 | Michael Hanselmann | static: Static fields
|
369 | 83120a01 | Michael Hanselmann | dynamic: Dynamic fields
|
370 | 83120a01 | Michael Hanselmann |
|
371 | 83120a01 | Michael Hanselmann | """
|
372 | 83120a01 | Michael Hanselmann | static_fields = frozenset(static)
|
373 | 83120a01 | Michael Hanselmann | dynamic_fields = frozenset(dynamic)
|
374 | dcb93971 | Michael Hanselmann | |
375 | 83120a01 | Michael Hanselmann | all_fields = static_fields | dynamic_fields |
376 | dcb93971 | Michael Hanselmann | |
377 | 83120a01 | Michael Hanselmann | if not all_fields.issuperset(selected): |
378 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
379 | 3ecf6786 | Iustin Pop | % ",".join(frozenset(selected). |
380 | 3ecf6786 | Iustin Pop | difference(all_fields))) |
381 | dcb93971 | Michael Hanselmann | |
382 | dcb93971 | Michael Hanselmann | |
383 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
384 | 396e1b78 | Michael Hanselmann | memory, vcpus, nics): |
385 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from single variables.
|
386 | ecb215b5 | Michael Hanselmann |
|
387 | ecb215b5 | Michael Hanselmann | Args:
|
388 | ecb215b5 | Michael Hanselmann | secondary_nodes: List of secondary nodes as strings
|
389 | 396e1b78 | Michael Hanselmann | """
|
390 | 396e1b78 | Michael Hanselmann | env = { |
391 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
|
392 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
|
393 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
|
394 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
395 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
|
396 | 396e1b78 | Michael Hanselmann | "INSTANCE_STATUS": status,
|
397 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
|
398 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
|
399 | 396e1b78 | Michael Hanselmann | } |
400 | 396e1b78 | Michael Hanselmann | |
401 | 396e1b78 | Michael Hanselmann | if nics:
|
402 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
|
403 | 53e4e875 | Guido Trotter | for idx, (ip, bridge, mac) in enumerate(nics): |
404 | 396e1b78 | Michael Hanselmann | if ip is None: |
405 | 396e1b78 | Michael Hanselmann | ip = ""
|
406 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
|
407 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_BRIDGE" % idx] = bridge
|
408 | 53e4e875 | Guido Trotter | env["INSTANCE_NIC%d_HWADDR" % idx] = mac
|
409 | 396e1b78 | Michael Hanselmann | else:
|
410 | 396e1b78 | Michael Hanselmann | nic_count = 0
|
411 | 396e1b78 | Michael Hanselmann | |
412 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
|
413 | 396e1b78 | Michael Hanselmann | |
414 | 396e1b78 | Michael Hanselmann | return env
|
415 | 396e1b78 | Michael Hanselmann | |
416 | 396e1b78 | Michael Hanselmann | |
417 | 396e1b78 | Michael Hanselmann | def _BuildInstanceHookEnvByObject(instance, override=None): |
418 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
|
419 | ecb215b5 | Michael Hanselmann |
|
420 | ecb215b5 | Michael Hanselmann | Args:
|
421 | ecb215b5 | Michael Hanselmann | instance: objects.Instance object of instance
|
422 | ecb215b5 | Michael Hanselmann | override: dict of values to override
|
423 | ecb215b5 | Michael Hanselmann | """
|
424 | 396e1b78 | Michael Hanselmann | args = { |
425 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
|
426 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
|
427 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
|
428 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
|
429 | 396e1b78 | Michael Hanselmann | 'status': instance.os,
|
430 | 396e1b78 | Michael Hanselmann | 'memory': instance.memory,
|
431 | 396e1b78 | Michael Hanselmann | 'vcpus': instance.vcpus,
|
432 | 53e4e875 | Guido Trotter | 'nics': [(nic.ip, nic.bridge, nic.mac) for nic in instance.nics], |
433 | 396e1b78 | Michael Hanselmann | } |
434 | 396e1b78 | Michael Hanselmann | if override:
|
435 | 396e1b78 | Michael Hanselmann | args.update(override) |
436 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
|
437 | 396e1b78 | Michael Hanselmann | |
438 | 396e1b78 | Michael Hanselmann | |
439 | bf6929a2 | Alexander Schreiber | def _CheckInstanceBridgesExist(instance): |
440 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
441 | bf6929a2 | Alexander Schreiber |
|
442 | bf6929a2 | Alexander Schreiber | """
|
443 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
444 | bf6929a2 | Alexander Schreiber | brlist = [nic.bridge for nic in instance.nics] |
445 | bf6929a2 | Alexander Schreiber | if not rpc.call_bridges_exist(instance.primary_node, brlist): |
446 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("one or more target bridges %s does not" |
447 | bf6929a2 | Alexander Schreiber | " exist on destination node '%s'" %
|
448 | bf6929a2 | Alexander Schreiber | (brlist, instance.primary_node)) |
449 | bf6929a2 | Alexander Schreiber | |
450 | bf6929a2 | Alexander Schreiber | |
451 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
452 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
453 | a8083063 | Iustin Pop |
|
454 | a8083063 | Iustin Pop | """
|
455 | a8083063 | Iustin Pop | _OP_REQP = [] |
456 | a8083063 | Iustin Pop | |
457 | a8083063 | Iustin Pop | def CheckPrereq(self): |
458 | a8083063 | Iustin Pop | """Check prerequisites.
|
459 | a8083063 | Iustin Pop |
|
460 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
461 | a8083063 | Iustin Pop |
|
462 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
463 | a8083063 | Iustin Pop |
|
464 | a8083063 | Iustin Pop | """
|
465 | 880478f8 | Iustin Pop | master = self.sstore.GetMasterNode()
|
466 | a8083063 | Iustin Pop | |
467 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
468 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
469 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
470 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
471 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
472 | db915bd1 | Michael Hanselmann | if instancelist:
|
473 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
474 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
475 | a8083063 | Iustin Pop | |
476 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
477 | a8083063 | Iustin Pop | """Destroys the cluster.
|
478 | a8083063 | Iustin Pop |
|
479 | a8083063 | Iustin Pop | """
|
480 | c8a0948f | Michael Hanselmann | master = self.sstore.GetMasterNode()
|
481 | 1c65840b | Iustin Pop | if not rpc.call_node_stop_master(master, False): |
482 | c9064964 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
483 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
484 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(priv_key) |
485 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(pub_key) |
486 | c8a0948f | Michael Hanselmann | rpc.call_node_leave_cluster(master) |
487 | a8083063 | Iustin Pop | |
488 | a8083063 | Iustin Pop | |
489 | d8fff41c | Guido Trotter | class LUVerifyCluster(LogicalUnit): |
490 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
491 | a8083063 | Iustin Pop |
|
492 | a8083063 | Iustin Pop | """
|
493 | d8fff41c | Guido Trotter | HPATH = "cluster-verify"
|
494 | d8fff41c | Guido Trotter | HTYPE = constants.HTYPE_CLUSTER |
495 | e54c4c5e | Guido Trotter | _OP_REQP = ["skip_checks"]
|
496 | a8083063 | Iustin Pop | |
497 | a8083063 | Iustin Pop | def _VerifyNode(self, node, file_list, local_cksum, vglist, node_result, |
498 | a8083063 | Iustin Pop | remote_version, feedback_fn): |
499 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
500 | a8083063 | Iustin Pop |
|
501 | a8083063 | Iustin Pop | Test list:
|
502 | a8083063 | Iustin Pop | - compares ganeti version
|
503 | a8083063 | Iustin Pop | - checks vg existance and size > 20G
|
504 | a8083063 | Iustin Pop | - checks config file checksum
|
505 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
506 | a8083063 | Iustin Pop |
|
507 | a8083063 | Iustin Pop | Args:
|
508 | a8083063 | Iustin Pop | node: name of the node to check
|
509 | a8083063 | Iustin Pop | file_list: required list of files
|
510 | a8083063 | Iustin Pop | local_cksum: dictionary of local files and their checksums
|
511 | 098c0958 | Michael Hanselmann |
|
512 | a8083063 | Iustin Pop | """
|
513 | a8083063 | Iustin Pop | # compares ganeti version
|
514 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
515 | a8083063 | Iustin Pop | if not remote_version: |
516 | c840ae6f | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
517 | a8083063 | Iustin Pop | return True |
518 | a8083063 | Iustin Pop | |
519 | a8083063 | Iustin Pop | if local_version != remote_version:
|
520 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
|
521 | a8083063 | Iustin Pop | (local_version, node, remote_version)) |
522 | a8083063 | Iustin Pop | return True |
523 | a8083063 | Iustin Pop | |
524 | a8083063 | Iustin Pop | # checks vg existance and size > 20G
|
525 | a8083063 | Iustin Pop | |
526 | a8083063 | Iustin Pop | bad = False
|
527 | a8083063 | Iustin Pop | if not vglist: |
528 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
529 | a8083063 | Iustin Pop | (node,)) |
530 | a8083063 | Iustin Pop | bad = True
|
531 | a8083063 | Iustin Pop | else:
|
532 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist, self.cfg.GetVGName(),
|
533 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
534 | a8083063 | Iustin Pop | if vgstatus:
|
535 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
536 | a8083063 | Iustin Pop | bad = True
|
537 | a8083063 | Iustin Pop | |
538 | a8083063 | Iustin Pop | # checks config file checksum
|
539 | a8083063 | Iustin Pop | # checks ssh to any
|
540 | a8083063 | Iustin Pop | |
541 | a8083063 | Iustin Pop | if 'filelist' not in node_result: |
542 | a8083063 | Iustin Pop | bad = True
|
543 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
544 | a8083063 | Iustin Pop | else:
|
545 | a8083063 | Iustin Pop | remote_cksum = node_result['filelist']
|
546 | a8083063 | Iustin Pop | for file_name in file_list: |
547 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
548 | a8083063 | Iustin Pop | bad = True
|
549 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
550 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
551 | a8083063 | Iustin Pop | bad = True
|
552 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
553 | a8083063 | Iustin Pop | |
554 | a8083063 | Iustin Pop | if 'nodelist' not in node_result: |
555 | a8083063 | Iustin Pop | bad = True
|
556 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node ssh connectivity data")
|
557 | a8083063 | Iustin Pop | else:
|
558 | a8083063 | Iustin Pop | if node_result['nodelist']: |
559 | a8083063 | Iustin Pop | bad = True
|
560 | a8083063 | Iustin Pop | for node in node_result['nodelist']: |
561 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: ssh communication with node '%s': %s" %
|
562 | a8083063 | Iustin Pop | (node, node_result['nodelist'][node]))
|
563 | 9d4bfc96 | Iustin Pop | if 'node-net-test' not in node_result: |
564 | 9d4bfc96 | Iustin Pop | bad = True
|
565 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node tcp connectivity data")
|
566 | 9d4bfc96 | Iustin Pop | else:
|
567 | 9d4bfc96 | Iustin Pop | if node_result['node-net-test']: |
568 | 9d4bfc96 | Iustin Pop | bad = True
|
569 | 9d4bfc96 | Iustin Pop | nlist = utils.NiceSort(node_result['node-net-test'].keys())
|
570 | 9d4bfc96 | Iustin Pop | for node in nlist: |
571 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: tcp communication with node '%s': %s" %
|
572 | 9d4bfc96 | Iustin Pop | (node, node_result['node-net-test'][node]))
|
573 | 9d4bfc96 | Iustin Pop | |
574 | a8083063 | Iustin Pop | hyp_result = node_result.get('hypervisor', None) |
575 | a8083063 | Iustin Pop | if hyp_result is not None: |
576 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: hypervisor verify failure: '%s'" % hyp_result)
|
577 | a8083063 | Iustin Pop | return bad
|
578 | a8083063 | Iustin Pop | |
579 | c5705f58 | Guido Trotter | def _VerifyInstance(self, instance, instanceconfig, node_vol_is, |
580 | c5705f58 | Guido Trotter | node_instance, feedback_fn): |
581 | a8083063 | Iustin Pop | """Verify an instance.
|
582 | a8083063 | Iustin Pop |
|
583 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
584 | a8083063 | Iustin Pop | available on the instance's node.
|
585 | a8083063 | Iustin Pop |
|
586 | a8083063 | Iustin Pop | """
|
587 | a8083063 | Iustin Pop | bad = False
|
588 | a8083063 | Iustin Pop | |
589 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
590 | a8083063 | Iustin Pop | |
591 | a8083063 | Iustin Pop | node_vol_should = {} |
592 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
593 | a8083063 | Iustin Pop | |
594 | a8083063 | Iustin Pop | for node in node_vol_should: |
595 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
596 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
597 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
598 | a8083063 | Iustin Pop | (volume, node)) |
599 | a8083063 | Iustin Pop | bad = True
|
600 | a8083063 | Iustin Pop | |
601 | a8083063 | Iustin Pop | if not instanceconfig.status == 'down': |
602 | a872dae6 | Guido Trotter | if (node_current not in node_instance or |
603 | a872dae6 | Guido Trotter | not instance in node_instance[node_current]): |
604 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
605 | a8083063 | Iustin Pop | (instance, node_current)) |
606 | a8083063 | Iustin Pop | bad = True
|
607 | a8083063 | Iustin Pop | |
608 | a8083063 | Iustin Pop | for node in node_instance: |
609 | a8083063 | Iustin Pop | if (not node == node_current): |
610 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
611 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
612 | a8083063 | Iustin Pop | (instance, node)) |
613 | a8083063 | Iustin Pop | bad = True
|
614 | a8083063 | Iustin Pop | |
615 | 6a438c98 | Michael Hanselmann | return bad
|
616 | a8083063 | Iustin Pop | |
617 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
618 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
619 | a8083063 | Iustin Pop |
|
620 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
621 | a8083063 | Iustin Pop | reported as unknown.
|
622 | a8083063 | Iustin Pop |
|
623 | a8083063 | Iustin Pop | """
|
624 | a8083063 | Iustin Pop | bad = False
|
625 | a8083063 | Iustin Pop | |
626 | a8083063 | Iustin Pop | for node in node_vol_is: |
627 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
628 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
629 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
630 | a8083063 | Iustin Pop | (volume, node)) |
631 | a8083063 | Iustin Pop | bad = True
|
632 | a8083063 | Iustin Pop | return bad
|
633 | a8083063 | Iustin Pop | |
634 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
635 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
636 | a8083063 | Iustin Pop |
|
637 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
638 | a8083063 | Iustin Pop |
|
639 | a8083063 | Iustin Pop | """
|
640 | a8083063 | Iustin Pop | bad = False
|
641 | a8083063 | Iustin Pop | for node in node_instance: |
642 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
643 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
644 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
645 | a8083063 | Iustin Pop | (runninginstance, node)) |
646 | a8083063 | Iustin Pop | bad = True
|
647 | a8083063 | Iustin Pop | return bad
|
648 | a8083063 | Iustin Pop | |
649 | 2b3b6ddd | Guido Trotter | def _VerifyNPlusOneMemory(self, node_info, instance_cfg, feedback_fn): |
650 | 2b3b6ddd | Guido Trotter | """Verify N+1 Memory Resilience.
|
651 | 2b3b6ddd | Guido Trotter |
|
652 | 2b3b6ddd | Guido Trotter | Check that if one single node dies we can still start all the instances it
|
653 | 2b3b6ddd | Guido Trotter | was primary for.
|
654 | 2b3b6ddd | Guido Trotter |
|
655 | 2b3b6ddd | Guido Trotter | """
|
656 | 2b3b6ddd | Guido Trotter | bad = False
|
657 | 2b3b6ddd | Guido Trotter | |
658 | 2b3b6ddd | Guido Trotter | for node, nodeinfo in node_info.iteritems(): |
659 | 2b3b6ddd | Guido Trotter | # This code checks that every node which is now listed as secondary has
|
660 | 2b3b6ddd | Guido Trotter | # enough memory to host all instances it is supposed to should a single
|
661 | 2b3b6ddd | Guido Trotter | # other node in the cluster fail.
|
662 | 2b3b6ddd | Guido Trotter | # FIXME: not ready for failover to an arbitrary node
|
663 | 2b3b6ddd | Guido Trotter | # FIXME: does not support file-backed instances
|
664 | 2b3b6ddd | Guido Trotter | # WARNING: we currently take into account down instances as well as up
|
665 | 2b3b6ddd | Guido Trotter | # ones, considering that even if they're down someone might want to start
|
666 | 2b3b6ddd | Guido Trotter | # them even in the event of a node failure.
|
667 | 2b3b6ddd | Guido Trotter | for prinode, instances in nodeinfo['sinst-by-pnode'].iteritems(): |
668 | 2b3b6ddd | Guido Trotter | needed_mem = 0
|
669 | 2b3b6ddd | Guido Trotter | for instance in instances: |
670 | 2b3b6ddd | Guido Trotter | needed_mem += instance_cfg[instance].memory |
671 | 2b3b6ddd | Guido Trotter | if nodeinfo['mfree'] < needed_mem: |
672 | 2b3b6ddd | Guido Trotter | feedback_fn(" - ERROR: not enough memory on node %s to accomodate"
|
673 | 2b3b6ddd | Guido Trotter | " failovers should node %s fail" % (node, prinode))
|
674 | 2b3b6ddd | Guido Trotter | bad = True
|
675 | 2b3b6ddd | Guido Trotter | return bad
|
676 | 2b3b6ddd | Guido Trotter | |
677 | a8083063 | Iustin Pop | def CheckPrereq(self): |
678 | a8083063 | Iustin Pop | """Check prerequisites.
|
679 | a8083063 | Iustin Pop |
|
680 | e54c4c5e | Guido Trotter | Transform the list of checks we're going to skip into a set and check that
|
681 | e54c4c5e | Guido Trotter | all its members are valid.
|
682 | a8083063 | Iustin Pop |
|
683 | a8083063 | Iustin Pop | """
|
684 | e54c4c5e | Guido Trotter | self.skip_set = frozenset(self.op.skip_checks) |
685 | e54c4c5e | Guido Trotter | if not constants.VERIFY_OPTIONAL_CHECKS.issuperset(self.skip_set): |
686 | e54c4c5e | Guido Trotter | raise errors.OpPrereqError("Invalid checks to be skipped specified") |
687 | a8083063 | Iustin Pop | |
688 | d8fff41c | Guido Trotter | def BuildHooksEnv(self): |
689 | d8fff41c | Guido Trotter | """Build hooks env.
|
690 | d8fff41c | Guido Trotter |
|
691 | d8fff41c | Guido Trotter | Cluster-Verify hooks just rone in the post phase and their failure makes
|
692 | d8fff41c | Guido Trotter | the output be logged in the verify output and the verification to fail.
|
693 | d8fff41c | Guido Trotter |
|
694 | d8fff41c | Guido Trotter | """
|
695 | d8fff41c | Guido Trotter | all_nodes = self.cfg.GetNodeList()
|
696 | d8fff41c | Guido Trotter | # TODO: populate the environment with useful information for verify hooks
|
697 | d8fff41c | Guido Trotter | env = {} |
698 | d8fff41c | Guido Trotter | return env, [], all_nodes
|
699 | d8fff41c | Guido Trotter | |
700 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
701 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
702 | a8083063 | Iustin Pop |
|
703 | a8083063 | Iustin Pop | """
|
704 | a8083063 | Iustin Pop | bad = False
|
705 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
706 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
707 | 8522ceeb | Iustin Pop | feedback_fn(" - ERROR: %s" % msg)
|
708 | a8083063 | Iustin Pop | |
709 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
710 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
711 | 9d4bfc96 | Iustin Pop | nodeinfo = [self.cfg.GetNodeInfo(nname) for nname in nodelist] |
712 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
713 | 93e4c50b | Guido Trotter | i_non_redundant = [] # Non redundant instances
|
714 | a8083063 | Iustin Pop | node_volume = {} |
715 | a8083063 | Iustin Pop | node_instance = {} |
716 | 9c9c7d30 | Guido Trotter | node_info = {} |
717 | 26b6af5e | Guido Trotter | instance_cfg = {} |
718 | a8083063 | Iustin Pop | |
719 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
720 | a8083063 | Iustin Pop | # do local checksums
|
721 | cb91d46e | Iustin Pop | file_names = list(self.sstore.GetFileList()) |
722 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
723 | cb91d46e | Iustin Pop | file_names.append(constants.CLUSTER_CONF_FILE) |
724 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
725 | a8083063 | Iustin Pop | |
726 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
727 | a8083063 | Iustin Pop | all_volumeinfo = rpc.call_volume_list(nodelist, vg_name) |
728 | a8083063 | Iustin Pop | all_instanceinfo = rpc.call_instance_list(nodelist) |
729 | a8083063 | Iustin Pop | all_vglist = rpc.call_vg_list(nodelist) |
730 | a8083063 | Iustin Pop | node_verify_param = { |
731 | a8083063 | Iustin Pop | 'filelist': file_names,
|
732 | a8083063 | Iustin Pop | 'nodelist': nodelist,
|
733 | a8083063 | Iustin Pop | 'hypervisor': None, |
734 | 9d4bfc96 | Iustin Pop | 'node-net-test': [(node.name, node.primary_ip, node.secondary_ip)
|
735 | 9d4bfc96 | Iustin Pop | for node in nodeinfo] |
736 | a8083063 | Iustin Pop | } |
737 | a8083063 | Iustin Pop | all_nvinfo = rpc.call_node_verify(nodelist, node_verify_param) |
738 | a8083063 | Iustin Pop | all_rversion = rpc.call_version(nodelist) |
739 | 9c9c7d30 | Guido Trotter | all_ninfo = rpc.call_node_info(nodelist, self.cfg.GetVGName())
|
740 | a8083063 | Iustin Pop | |
741 | a8083063 | Iustin Pop | for node in nodelist: |
742 | a8083063 | Iustin Pop | feedback_fn("* Verifying node %s" % node)
|
743 | a8083063 | Iustin Pop | result = self._VerifyNode(node, file_names, local_checksums,
|
744 | a8083063 | Iustin Pop | all_vglist[node], all_nvinfo[node], |
745 | a8083063 | Iustin Pop | all_rversion[node], feedback_fn) |
746 | a8083063 | Iustin Pop | bad = bad or result
|
747 | a8083063 | Iustin Pop | |
748 | a8083063 | Iustin Pop | # node_volume
|
749 | a8083063 | Iustin Pop | volumeinfo = all_volumeinfo[node] |
750 | a8083063 | Iustin Pop | |
751 | b63ed789 | Iustin Pop | if isinstance(volumeinfo, basestring): |
752 | b63ed789 | Iustin Pop | feedback_fn(" - ERROR: LVM problem on node %s: %s" %
|
753 | b63ed789 | Iustin Pop | (node, volumeinfo[-400:].encode('string_escape'))) |
754 | b63ed789 | Iustin Pop | bad = True
|
755 | b63ed789 | Iustin Pop | node_volume[node] = {} |
756 | b63ed789 | Iustin Pop | elif not isinstance(volumeinfo, dict): |
757 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
758 | a8083063 | Iustin Pop | bad = True
|
759 | a8083063 | Iustin Pop | continue
|
760 | b63ed789 | Iustin Pop | else:
|
761 | b63ed789 | Iustin Pop | node_volume[node] = volumeinfo |
762 | a8083063 | Iustin Pop | |
763 | a8083063 | Iustin Pop | # node_instance
|
764 | a8083063 | Iustin Pop | nodeinstance = all_instanceinfo[node] |
765 | a8083063 | Iustin Pop | if type(nodeinstance) != list: |
766 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
767 | a8083063 | Iustin Pop | bad = True
|
768 | a8083063 | Iustin Pop | continue
|
769 | a8083063 | Iustin Pop | |
770 | a8083063 | Iustin Pop | node_instance[node] = nodeinstance |
771 | a8083063 | Iustin Pop | |
772 | 9c9c7d30 | Guido Trotter | # node_info
|
773 | 9c9c7d30 | Guido Trotter | nodeinfo = all_ninfo[node] |
774 | 9c9c7d30 | Guido Trotter | if not isinstance(nodeinfo, dict): |
775 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
776 | 9c9c7d30 | Guido Trotter | bad = True
|
777 | 9c9c7d30 | Guido Trotter | continue
|
778 | 9c9c7d30 | Guido Trotter | |
779 | 9c9c7d30 | Guido Trotter | try:
|
780 | 9c9c7d30 | Guido Trotter | node_info[node] = { |
781 | 9c9c7d30 | Guido Trotter | "mfree": int(nodeinfo['memory_free']), |
782 | 9c9c7d30 | Guido Trotter | "dfree": int(nodeinfo['vg_free']), |
783 | 93e4c50b | Guido Trotter | "pinst": [],
|
784 | 93e4c50b | Guido Trotter | "sinst": [],
|
785 | 36e7da50 | Guido Trotter | # dictionary holding all instances this node is secondary for,
|
786 | 36e7da50 | Guido Trotter | # grouped by their primary node. Each key is a cluster node, and each
|
787 | 36e7da50 | Guido Trotter | # value is a list of instances which have the key as primary and the
|
788 | 36e7da50 | Guido Trotter | # current node as secondary. this is handy to calculate N+1 memory
|
789 | 36e7da50 | Guido Trotter | # availability if you can only failover from a primary to its
|
790 | 36e7da50 | Guido Trotter | # secondary.
|
791 | 36e7da50 | Guido Trotter | "sinst-by-pnode": {},
|
792 | 9c9c7d30 | Guido Trotter | } |
793 | 9c9c7d30 | Guido Trotter | except ValueError: |
794 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: invalid value returned from node %s" % (node,))
|
795 | 9c9c7d30 | Guido Trotter | bad = True
|
796 | 9c9c7d30 | Guido Trotter | continue
|
797 | 9c9c7d30 | Guido Trotter | |
798 | a8083063 | Iustin Pop | node_vol_should = {} |
799 | a8083063 | Iustin Pop | |
800 | a8083063 | Iustin Pop | for instance in instancelist: |
801 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
802 | a8083063 | Iustin Pop | inst_config = self.cfg.GetInstanceInfo(instance)
|
803 | c5705f58 | Guido Trotter | result = self._VerifyInstance(instance, inst_config, node_volume,
|
804 | c5705f58 | Guido Trotter | node_instance, feedback_fn) |
805 | c5705f58 | Guido Trotter | bad = bad or result
|
806 | a8083063 | Iustin Pop | |
807 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
808 | a8083063 | Iustin Pop | |
809 | 26b6af5e | Guido Trotter | instance_cfg[instance] = inst_config |
810 | 26b6af5e | Guido Trotter | |
811 | 93e4c50b | Guido Trotter | pnode = inst_config.primary_node |
812 | 93e4c50b | Guido Trotter | if pnode in node_info: |
813 | 93e4c50b | Guido Trotter | node_info[pnode]['pinst'].append(instance)
|
814 | 93e4c50b | Guido Trotter | else:
|
815 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to primary node"
|
816 | 93e4c50b | Guido Trotter | " %s failed" % (instance, pnode))
|
817 | 93e4c50b | Guido Trotter | bad = True
|
818 | 93e4c50b | Guido Trotter | |
819 | 93e4c50b | Guido Trotter | # If the instance is non-redundant we cannot survive losing its primary
|
820 | 93e4c50b | Guido Trotter | # node, so we are not N+1 compliant. On the other hand we have no disk
|
821 | 93e4c50b | Guido Trotter | # templates with more than one secondary so that situation is not well
|
822 | 93e4c50b | Guido Trotter | # supported either.
|
823 | 93e4c50b | Guido Trotter | # FIXME: does not support file-backed instances
|
824 | 93e4c50b | Guido Trotter | if len(inst_config.secondary_nodes) == 0: |
825 | 93e4c50b | Guido Trotter | i_non_redundant.append(instance) |
826 | 93e4c50b | Guido Trotter | elif len(inst_config.secondary_nodes) > 1: |
827 | 93e4c50b | Guido Trotter | feedback_fn(" - WARNING: multiple secondaries for instance %s"
|
828 | 93e4c50b | Guido Trotter | % instance) |
829 | 93e4c50b | Guido Trotter | |
830 | 93e4c50b | Guido Trotter | for snode in inst_config.secondary_nodes: |
831 | 93e4c50b | Guido Trotter | if snode in node_info: |
832 | 93e4c50b | Guido Trotter | node_info[snode]['sinst'].append(instance)
|
833 | 36e7da50 | Guido Trotter | if pnode not in node_info[snode]['sinst-by-pnode']: |
834 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode] = []
|
835 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode].append(instance)
|
836 | 93e4c50b | Guido Trotter | else:
|
837 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to secondary node"
|
838 | 93e4c50b | Guido Trotter | " %s failed" % (instance, snode))
|
839 | 93e4c50b | Guido Trotter | |
840 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
841 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
842 | a8083063 | Iustin Pop | feedback_fn) |
843 | a8083063 | Iustin Pop | bad = bad or result
|
844 | a8083063 | Iustin Pop | |
845 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
846 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
847 | a8083063 | Iustin Pop | feedback_fn) |
848 | a8083063 | Iustin Pop | bad = bad or result
|
849 | a8083063 | Iustin Pop | |
850 | e54c4c5e | Guido Trotter | if constants.VERIFY_NPLUSONE_MEM not in self.skip_set: |
851 | e54c4c5e | Guido Trotter | feedback_fn("* Verifying N+1 Memory redundancy")
|
852 | e54c4c5e | Guido Trotter | result = self._VerifyNPlusOneMemory(node_info, instance_cfg, feedback_fn)
|
853 | e54c4c5e | Guido Trotter | bad = bad or result
|
854 | 2b3b6ddd | Guido Trotter | |
855 | 2b3b6ddd | Guido Trotter | feedback_fn("* Other Notes")
|
856 | 2b3b6ddd | Guido Trotter | if i_non_redundant:
|
857 | 2b3b6ddd | Guido Trotter | feedback_fn(" - NOTICE: %d non-redundant instance(s) found."
|
858 | 2b3b6ddd | Guido Trotter | % len(i_non_redundant))
|
859 | 2b3b6ddd | Guido Trotter | |
860 | a8083063 | Iustin Pop | return int(bad) |
861 | a8083063 | Iustin Pop | |
862 | d8fff41c | Guido Trotter | def HooksCallBack(self, phase, hooks_results, feedback_fn, lu_result): |
863 | d8fff41c | Guido Trotter | """Analize the post-hooks' result, handle it, and send some
|
864 | d8fff41c | Guido Trotter | nicely-formatted feedback back to the user.
|
865 | d8fff41c | Guido Trotter |
|
866 | d8fff41c | Guido Trotter | Args:
|
867 | d8fff41c | Guido Trotter | phase: the hooks phase that has just been run
|
868 | d8fff41c | Guido Trotter | hooks_results: the results of the multi-node hooks rpc call
|
869 | d8fff41c | Guido Trotter | feedback_fn: function to send feedback back to the caller
|
870 | d8fff41c | Guido Trotter | lu_result: previous Exec result
|
871 | d8fff41c | Guido Trotter |
|
872 | d8fff41c | Guido Trotter | """
|
873 | d8fff41c | Guido Trotter | # We only really run POST phase hooks, and are only interested in their results
|
874 | d8fff41c | Guido Trotter | if phase == constants.HOOKS_PHASE_POST:
|
875 | d8fff41c | Guido Trotter | # Used to change hooks' output to proper indentation
|
876 | d8fff41c | Guido Trotter | indent_re = re.compile('^', re.M)
|
877 | d8fff41c | Guido Trotter | feedback_fn("* Hooks Results")
|
878 | d8fff41c | Guido Trotter | if not hooks_results: |
879 | d8fff41c | Guido Trotter | feedback_fn(" - ERROR: general communication failure")
|
880 | d8fff41c | Guido Trotter | lu_result = 1
|
881 | d8fff41c | Guido Trotter | else:
|
882 | d8fff41c | Guido Trotter | for node_name in hooks_results: |
883 | d8fff41c | Guido Trotter | show_node_header = True
|
884 | d8fff41c | Guido Trotter | res = hooks_results[node_name] |
885 | d8fff41c | Guido Trotter | if res is False or not isinstance(res, list): |
886 | d8fff41c | Guido Trotter | feedback_fn(" Communication failure")
|
887 | d8fff41c | Guido Trotter | lu_result = 1
|
888 | d8fff41c | Guido Trotter | continue
|
889 | d8fff41c | Guido Trotter | for script, hkr, output in res: |
890 | d8fff41c | Guido Trotter | if hkr == constants.HKR_FAIL:
|
891 | d8fff41c | Guido Trotter | # The node header is only shown once, if there are
|
892 | d8fff41c | Guido Trotter | # failing hooks on that node
|
893 | d8fff41c | Guido Trotter | if show_node_header:
|
894 | d8fff41c | Guido Trotter | feedback_fn(" Node %s:" % node_name)
|
895 | d8fff41c | Guido Trotter | show_node_header = False
|
896 | d8fff41c | Guido Trotter | feedback_fn(" ERROR: Script %s failed, output:" % script)
|
897 | d8fff41c | Guido Trotter | output = indent_re.sub(' ', output)
|
898 | d8fff41c | Guido Trotter | feedback_fn("%s" % output)
|
899 | d8fff41c | Guido Trotter | lu_result = 1
|
900 | d8fff41c | Guido Trotter | |
901 | d8fff41c | Guido Trotter | return lu_result
|
902 | d8fff41c | Guido Trotter | |
903 | a8083063 | Iustin Pop | |
904 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
905 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
906 | 2c95a8d4 | Iustin Pop |
|
907 | 2c95a8d4 | Iustin Pop | """
|
908 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
909 | 2c95a8d4 | Iustin Pop | |
910 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
911 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
912 | 2c95a8d4 | Iustin Pop |
|
913 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
914 | 2c95a8d4 | Iustin Pop |
|
915 | 2c95a8d4 | Iustin Pop | """
|
916 | 2c95a8d4 | Iustin Pop | pass
|
917 | 2c95a8d4 | Iustin Pop | |
918 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
919 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
920 | 2c95a8d4 | Iustin Pop |
|
921 | 2c95a8d4 | Iustin Pop | """
|
922 | b63ed789 | Iustin Pop | result = res_nodes, res_nlvm, res_instances, res_missing = [], {}, [], {} |
923 | 2c95a8d4 | Iustin Pop | |
924 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
925 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
926 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
927 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
928 | 2c95a8d4 | Iustin Pop | |
929 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
930 | 2c95a8d4 | Iustin Pop | for inst in instances: |
931 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
932 | 2c95a8d4 | Iustin Pop | if (inst.status != "up" or |
933 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
934 | 2c95a8d4 | Iustin Pop | continue
|
935 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
936 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
937 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
938 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
939 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
940 | 2c95a8d4 | Iustin Pop | |
941 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
942 | 2c95a8d4 | Iustin Pop | return result
|
943 | 2c95a8d4 | Iustin Pop | |
944 | 2c95a8d4 | Iustin Pop | node_lvs = rpc.call_volume_list(nodes, vg_name) |
945 | 2c95a8d4 | Iustin Pop | |
946 | 2c95a8d4 | Iustin Pop | to_act = set()
|
947 | 2c95a8d4 | Iustin Pop | for node in nodes: |
948 | 2c95a8d4 | Iustin Pop | # node_volume
|
949 | 2c95a8d4 | Iustin Pop | lvs = node_lvs[node] |
950 | 2c95a8d4 | Iustin Pop | |
951 | b63ed789 | Iustin Pop | if isinstance(lvs, basestring): |
952 | b63ed789 | Iustin Pop | logger.Info("error enumerating LVs on node %s: %s" % (node, lvs))
|
953 | b63ed789 | Iustin Pop | res_nlvm[node] = lvs |
954 | b63ed789 | Iustin Pop | elif not isinstance(lvs, dict): |
955 | 2c95a8d4 | Iustin Pop | logger.Info("connection to node %s failed or invalid data returned" %
|
956 | 2c95a8d4 | Iustin Pop | (node,)) |
957 | 2c95a8d4 | Iustin Pop | res_nodes.append(node) |
958 | 2c95a8d4 | Iustin Pop | continue
|
959 | 2c95a8d4 | Iustin Pop | |
960 | 2c95a8d4 | Iustin Pop | for lv_name, (_, lv_inactive, lv_online) in lvs.iteritems(): |
961 | b63ed789 | Iustin Pop | inst = nv_dict.pop((node, lv_name), None)
|
962 | b63ed789 | Iustin Pop | if (not lv_online and inst is not None |
963 | b63ed789 | Iustin Pop | and inst.name not in res_instances): |
964 | b08d5a87 | Iustin Pop | res_instances.append(inst.name) |
965 | 2c95a8d4 | Iustin Pop | |
966 | b63ed789 | Iustin Pop | # any leftover items in nv_dict are missing LVs, let's arrange the
|
967 | b63ed789 | Iustin Pop | # data better
|
968 | b63ed789 | Iustin Pop | for key, inst in nv_dict.iteritems(): |
969 | b63ed789 | Iustin Pop | if inst.name not in res_missing: |
970 | b63ed789 | Iustin Pop | res_missing[inst.name] = [] |
971 | b63ed789 | Iustin Pop | res_missing[inst.name].append(key) |
972 | b63ed789 | Iustin Pop | |
973 | 2c95a8d4 | Iustin Pop | return result
|
974 | 2c95a8d4 | Iustin Pop | |
975 | 2c95a8d4 | Iustin Pop | |
976 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
977 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
978 | 07bd8a51 | Iustin Pop |
|
979 | 07bd8a51 | Iustin Pop | """
|
980 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
981 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
982 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
983 | 05f86716 | Guido Trotter | REQ_WSSTORE = True
|
984 | 07bd8a51 | Iustin Pop | |
985 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
986 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
987 | 07bd8a51 | Iustin Pop |
|
988 | 07bd8a51 | Iustin Pop | """
|
989 | 07bd8a51 | Iustin Pop | env = { |
990 | 488b540d | Iustin Pop | "OP_TARGET": self.sstore.GetClusterName(), |
991 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
992 | 07bd8a51 | Iustin Pop | } |
993 | 07bd8a51 | Iustin Pop | mn = self.sstore.GetMasterNode()
|
994 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
995 | 07bd8a51 | Iustin Pop | |
996 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
997 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
998 | 07bd8a51 | Iustin Pop |
|
999 | 07bd8a51 | Iustin Pop | """
|
1000 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
1001 | 07bd8a51 | Iustin Pop | |
1002 | bcf043c9 | Iustin Pop | new_name = hostname.name |
1003 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
1004 | 07bd8a51 | Iustin Pop | old_name = self.sstore.GetClusterName()
|
1005 | 07bd8a51 | Iustin Pop | old_ip = self.sstore.GetMasterIP()
|
1006 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
1007 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
1008 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
1009 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
1010 | 937f983d | Guido Trotter | if utils.TcpPing(new_ip, constants.DEFAULT_NODED_PORT):
|
1011 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
1012 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
1013 | 07bd8a51 | Iustin Pop | new_ip) |
1014 | 07bd8a51 | Iustin Pop | |
1015 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
1016 | 07bd8a51 | Iustin Pop | |
1017 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
1018 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1019 | 07bd8a51 | Iustin Pop |
|
1020 | 07bd8a51 | Iustin Pop | """
|
1021 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
1022 | 07bd8a51 | Iustin Pop | ip = self.ip
|
1023 | 07bd8a51 | Iustin Pop | ss = self.sstore
|
1024 | 07bd8a51 | Iustin Pop | |
1025 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
1026 | 07bd8a51 | Iustin Pop | master = ss.GetMasterNode() |
1027 | 1c65840b | Iustin Pop | if not rpc.call_node_stop_master(master, False): |
1028 | 07bd8a51 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
1029 | 07bd8a51 | Iustin Pop | |
1030 | 07bd8a51 | Iustin Pop | try:
|
1031 | 07bd8a51 | Iustin Pop | # modify the sstore
|
1032 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, ip) |
1033 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername) |
1034 | 07bd8a51 | Iustin Pop | |
1035 | 07bd8a51 | Iustin Pop | # Distribute updated ss config to all nodes
|
1036 | 07bd8a51 | Iustin Pop | myself = self.cfg.GetNodeInfo(master)
|
1037 | 07bd8a51 | Iustin Pop | dist_nodes = self.cfg.GetNodeList()
|
1038 | 07bd8a51 | Iustin Pop | if myself.name in dist_nodes: |
1039 | 07bd8a51 | Iustin Pop | dist_nodes.remove(myself.name) |
1040 | 07bd8a51 | Iustin Pop | |
1041 | 07bd8a51 | Iustin Pop | logger.Debug("Copying updated ssconf data to all nodes")
|
1042 | 07bd8a51 | Iustin Pop | for keyname in [ss.SS_CLUSTER_NAME, ss.SS_MASTER_IP]: |
1043 | 07bd8a51 | Iustin Pop | fname = ss.KeyToFilename(keyname) |
1044 | 07bd8a51 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1045 | 07bd8a51 | Iustin Pop | for to_node in dist_nodes: |
1046 | 07bd8a51 | Iustin Pop | if not result[to_node]: |
1047 | 07bd8a51 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1048 | 07bd8a51 | Iustin Pop | (fname, to_node)) |
1049 | 07bd8a51 | Iustin Pop | finally:
|
1050 | 1c65840b | Iustin Pop | if not rpc.call_node_start_master(master, False): |
1051 | f4bc1f2c | Michael Hanselmann | logger.Error("Could not re-enable the master role on the master,"
|
1052 | f4bc1f2c | Michael Hanselmann | " please restart manually.")
|
1053 | 07bd8a51 | Iustin Pop | |
1054 | 07bd8a51 | Iustin Pop | |
1055 | 8084f9f6 | Manuel Franceschini | def _RecursiveCheckIfLVMBased(disk): |
1056 | 8084f9f6 | Manuel Franceschini | """Check if the given disk or its children are lvm-based.
|
1057 | 8084f9f6 | Manuel Franceschini |
|
1058 | 8084f9f6 | Manuel Franceschini | Args:
|
1059 | 8084f9f6 | Manuel Franceschini | disk: ganeti.objects.Disk object
|
1060 | 8084f9f6 | Manuel Franceschini |
|
1061 | 8084f9f6 | Manuel Franceschini | Returns:
|
1062 | 8084f9f6 | Manuel Franceschini | boolean indicating whether a LD_LV dev_type was found or not
|
1063 | 8084f9f6 | Manuel Franceschini |
|
1064 | 8084f9f6 | Manuel Franceschini | """
|
1065 | 8084f9f6 | Manuel Franceschini | if disk.children:
|
1066 | 8084f9f6 | Manuel Franceschini | for chdisk in disk.children: |
1067 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(chdisk):
|
1068 | 8084f9f6 | Manuel Franceschini | return True |
1069 | 8084f9f6 | Manuel Franceschini | return disk.dev_type == constants.LD_LV
|
1070 | 8084f9f6 | Manuel Franceschini | |
1071 | 8084f9f6 | Manuel Franceschini | |
1072 | 8084f9f6 | Manuel Franceschini | class LUSetClusterParams(LogicalUnit): |
1073 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1074 | 8084f9f6 | Manuel Franceschini |
|
1075 | 8084f9f6 | Manuel Franceschini | """
|
1076 | 8084f9f6 | Manuel Franceschini | HPATH = "cluster-modify"
|
1077 | 8084f9f6 | Manuel Franceschini | HTYPE = constants.HTYPE_CLUSTER |
1078 | 8084f9f6 | Manuel Franceschini | _OP_REQP = [] |
1079 | 8084f9f6 | Manuel Franceschini | |
1080 | 8084f9f6 | Manuel Franceschini | def BuildHooksEnv(self): |
1081 | 8084f9f6 | Manuel Franceschini | """Build hooks env.
|
1082 | 8084f9f6 | Manuel Franceschini |
|
1083 | 8084f9f6 | Manuel Franceschini | """
|
1084 | 8084f9f6 | Manuel Franceschini | env = { |
1085 | 8084f9f6 | Manuel Franceschini | "OP_TARGET": self.sstore.GetClusterName(), |
1086 | 8084f9f6 | Manuel Franceschini | "NEW_VG_NAME": self.op.vg_name, |
1087 | 8084f9f6 | Manuel Franceschini | } |
1088 | 8084f9f6 | Manuel Franceschini | mn = self.sstore.GetMasterNode()
|
1089 | 8084f9f6 | Manuel Franceschini | return env, [mn], [mn]
|
1090 | 8084f9f6 | Manuel Franceschini | |
1091 | 8084f9f6 | Manuel Franceschini | def CheckPrereq(self): |
1092 | 8084f9f6 | Manuel Franceschini | """Check prerequisites.
|
1093 | 8084f9f6 | Manuel Franceschini |
|
1094 | 8084f9f6 | Manuel Franceschini | This checks whether the given params don't conflict and
|
1095 | 5f83e263 | Iustin Pop | if the given volume group is valid.
|
1096 | 8084f9f6 | Manuel Franceschini |
|
1097 | 8084f9f6 | Manuel Franceschini | """
|
1098 | 8084f9f6 | Manuel Franceschini | if not self.op.vg_name: |
1099 | 8084f9f6 | Manuel Franceschini | instances = [self.cfg.GetInstanceInfo(name)
|
1100 | 8084f9f6 | Manuel Franceschini | for name in self.cfg.GetInstanceList()] |
1101 | 8084f9f6 | Manuel Franceschini | for inst in instances: |
1102 | 8084f9f6 | Manuel Franceschini | for disk in inst.disks: |
1103 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(disk):
|
1104 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Cannot disable lvm storage while" |
1105 | 8084f9f6 | Manuel Franceschini | " lvm-based instances exist")
|
1106 | 8084f9f6 | Manuel Franceschini | |
1107 | 8084f9f6 | Manuel Franceschini | # if vg_name not None, checks given volume group on all nodes
|
1108 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name: |
1109 | 8084f9f6 | Manuel Franceschini | node_list = self.cfg.GetNodeList()
|
1110 | 8084f9f6 | Manuel Franceschini | vglist = rpc.call_vg_list(node_list) |
1111 | 8084f9f6 | Manuel Franceschini | for node in node_list: |
1112 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist[node], self.op.vg_name,
|
1113 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
1114 | 8084f9f6 | Manuel Franceschini | if vgstatus:
|
1115 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Error on node '%s': %s" % |
1116 | 8084f9f6 | Manuel Franceschini | (node, vgstatus)) |
1117 | 8084f9f6 | Manuel Franceschini | |
1118 | 8084f9f6 | Manuel Franceschini | def Exec(self, feedback_fn): |
1119 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1120 | 8084f9f6 | Manuel Franceschini |
|
1121 | 8084f9f6 | Manuel Franceschini | """
|
1122 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name != self.cfg.GetVGName(): |
1123 | 8084f9f6 | Manuel Franceschini | self.cfg.SetVGName(self.op.vg_name) |
1124 | 8084f9f6 | Manuel Franceschini | else:
|
1125 | 8084f9f6 | Manuel Franceschini | feedback_fn("Cluster LVM configuration already in desired"
|
1126 | 8084f9f6 | Manuel Franceschini | " state, not changing")
|
1127 | 8084f9f6 | Manuel Franceschini | |
1128 | 8084f9f6 | Manuel Franceschini | |
1129 | 5bfac263 | Iustin Pop | def _WaitForSync(cfgw, instance, proc, oneshot=False, unlock=False): |
1130 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1131 | a8083063 | Iustin Pop |
|
1132 | a8083063 | Iustin Pop | """
|
1133 | a8083063 | Iustin Pop | if not instance.disks: |
1134 | a8083063 | Iustin Pop | return True |
1135 | a8083063 | Iustin Pop | |
1136 | a8083063 | Iustin Pop | if not oneshot: |
1137 | 5bfac263 | Iustin Pop | proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
1138 | a8083063 | Iustin Pop | |
1139 | a8083063 | Iustin Pop | node = instance.primary_node |
1140 | a8083063 | Iustin Pop | |
1141 | a8083063 | Iustin Pop | for dev in instance.disks: |
1142 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1143 | a8083063 | Iustin Pop | |
1144 | a8083063 | Iustin Pop | retries = 0
|
1145 | a8083063 | Iustin Pop | while True: |
1146 | a8083063 | Iustin Pop | max_time = 0
|
1147 | a8083063 | Iustin Pop | done = True
|
1148 | a8083063 | Iustin Pop | cumul_degraded = False
|
1149 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1150 | a8083063 | Iustin Pop | if not rstats: |
1151 | 5bfac263 | Iustin Pop | proc.LogWarning("Can't get any data from node %s" % node)
|
1152 | a8083063 | Iustin Pop | retries += 1
|
1153 | a8083063 | Iustin Pop | if retries >= 10: |
1154 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1155 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1156 | a8083063 | Iustin Pop | time.sleep(6)
|
1157 | a8083063 | Iustin Pop | continue
|
1158 | a8083063 | Iustin Pop | retries = 0
|
1159 | a8083063 | Iustin Pop | for i in range(len(rstats)): |
1160 | a8083063 | Iustin Pop | mstat = rstats[i] |
1161 | a8083063 | Iustin Pop | if mstat is None: |
1162 | 5bfac263 | Iustin Pop | proc.LogWarning("Can't compute data for node %s/%s" %
|
1163 | a8083063 | Iustin Pop | (node, instance.disks[i].iv_name)) |
1164 | a8083063 | Iustin Pop | continue
|
1165 | 0834c866 | Iustin Pop | # we ignore the ldisk parameter
|
1166 | 0834c866 | Iustin Pop | perc_done, est_time, is_degraded, _ = mstat |
1167 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1168 | a8083063 | Iustin Pop | if perc_done is not None: |
1169 | a8083063 | Iustin Pop | done = False
|
1170 | a8083063 | Iustin Pop | if est_time is not None: |
1171 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1172 | a8083063 | Iustin Pop | max_time = est_time |
1173 | a8083063 | Iustin Pop | else:
|
1174 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1175 | 5bfac263 | Iustin Pop | proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
1176 | 5bfac263 | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1177 | a8083063 | Iustin Pop | if done or oneshot: |
1178 | a8083063 | Iustin Pop | break
|
1179 | a8083063 | Iustin Pop | |
1180 | d4fa5c23 | Iustin Pop | time.sleep(min(60, max_time)) |
1181 | a8083063 | Iustin Pop | |
1182 | a8083063 | Iustin Pop | if done:
|
1183 | 5bfac263 | Iustin Pop | proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
1184 | a8083063 | Iustin Pop | return not cumul_degraded |
1185 | a8083063 | Iustin Pop | |
1186 | a8083063 | Iustin Pop | |
1187 | 0834c866 | Iustin Pop | def _CheckDiskConsistency(cfgw, dev, node, on_primary, ldisk=False): |
1188 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1189 | a8083063 | Iustin Pop |
|
1190 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
1191 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
1192 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
1193 | 0834c866 | Iustin Pop |
|
1194 | a8083063 | Iustin Pop | """
|
1195 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1196 | 0834c866 | Iustin Pop | if ldisk:
|
1197 | 0834c866 | Iustin Pop | idx = 6
|
1198 | 0834c866 | Iustin Pop | else:
|
1199 | 0834c866 | Iustin Pop | idx = 5
|
1200 | a8083063 | Iustin Pop | |
1201 | a8083063 | Iustin Pop | result = True
|
1202 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1203 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_find(node, dev) |
1204 | a8083063 | Iustin Pop | if not rstats: |
1205 | aa9d0c32 | Guido Trotter | logger.ToStderr("Node %s: Disk degraded, not found or node down" % node)
|
1206 | a8083063 | Iustin Pop | result = False
|
1207 | a8083063 | Iustin Pop | else:
|
1208 | 0834c866 | Iustin Pop | result = result and (not rstats[idx]) |
1209 | a8083063 | Iustin Pop | if dev.children:
|
1210 | a8083063 | Iustin Pop | for child in dev.children: |
1211 | a8083063 | Iustin Pop | result = result and _CheckDiskConsistency(cfgw, child, node, on_primary)
|
1212 | a8083063 | Iustin Pop | |
1213 | a8083063 | Iustin Pop | return result
|
1214 | a8083063 | Iustin Pop | |
1215 | a8083063 | Iustin Pop | |
1216 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1217 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1218 | a8083063 | Iustin Pop |
|
1219 | a8083063 | Iustin Pop | """
|
1220 | 1f9430d6 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1221 | a8083063 | Iustin Pop | |
1222 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1223 | a8083063 | Iustin Pop | """Check prerequisites.
|
1224 | a8083063 | Iustin Pop |
|
1225 | a8083063 | Iustin Pop | This always succeeds, since this is a pure query LU.
|
1226 | a8083063 | Iustin Pop |
|
1227 | a8083063 | Iustin Pop | """
|
1228 | 1f9430d6 | Iustin Pop | if self.op.names: |
1229 | 1f9430d6 | Iustin Pop | raise errors.OpPrereqError("Selective OS query not supported") |
1230 | 1f9430d6 | Iustin Pop | |
1231 | 1f9430d6 | Iustin Pop | self.dynamic_fields = frozenset(["name", "valid", "node_status"]) |
1232 | 1f9430d6 | Iustin Pop | _CheckOutputFields(static=[], |
1233 | 1f9430d6 | Iustin Pop | dynamic=self.dynamic_fields,
|
1234 | 1f9430d6 | Iustin Pop | selected=self.op.output_fields)
|
1235 | 1f9430d6 | Iustin Pop | |
1236 | 1f9430d6 | Iustin Pop | @staticmethod
|
1237 | 1f9430d6 | Iustin Pop | def _DiagnoseByOS(node_list, rlist): |
1238 | 1f9430d6 | Iustin Pop | """Remaps a per-node return list into an a per-os per-node dictionary
|
1239 | 1f9430d6 | Iustin Pop |
|
1240 | 1f9430d6 | Iustin Pop | Args:
|
1241 | 1f9430d6 | Iustin Pop | node_list: a list with the names of all nodes
|
1242 | 1f9430d6 | Iustin Pop | rlist: a map with node names as keys and OS objects as values
|
1243 | 1f9430d6 | Iustin Pop |
|
1244 | 1f9430d6 | Iustin Pop | Returns:
|
1245 | 1f9430d6 | Iustin Pop | map: a map with osnames as keys and as value another map, with
|
1246 | 1f9430d6 | Iustin Pop | nodes as
|
1247 | 1f9430d6 | Iustin Pop | keys and list of OS objects as values
|
1248 | 1f9430d6 | Iustin Pop | e.g. {"debian-etch": {"node1": [<object>,...],
|
1249 | 1f9430d6 | Iustin Pop | "node2": [<object>,]}
|
1250 | 1f9430d6 | Iustin Pop | }
|
1251 | 1f9430d6 | Iustin Pop |
|
1252 | 1f9430d6 | Iustin Pop | """
|
1253 | 1f9430d6 | Iustin Pop | all_os = {} |
1254 | 1f9430d6 | Iustin Pop | for node_name, nr in rlist.iteritems(): |
1255 | 1f9430d6 | Iustin Pop | if not nr: |
1256 | 1f9430d6 | Iustin Pop | continue
|
1257 | b4de68a9 | Iustin Pop | for os_obj in nr: |
1258 | b4de68a9 | Iustin Pop | if os_obj.name not in all_os: |
1259 | 1f9430d6 | Iustin Pop | # build a list of nodes for this os containing empty lists
|
1260 | 1f9430d6 | Iustin Pop | # for each node in node_list
|
1261 | b4de68a9 | Iustin Pop | all_os[os_obj.name] = {} |
1262 | 1f9430d6 | Iustin Pop | for nname in node_list: |
1263 | b4de68a9 | Iustin Pop | all_os[os_obj.name][nname] = [] |
1264 | b4de68a9 | Iustin Pop | all_os[os_obj.name][node_name].append(os_obj) |
1265 | 1f9430d6 | Iustin Pop | return all_os
|
1266 | a8083063 | Iustin Pop | |
1267 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1268 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1269 | a8083063 | Iustin Pop |
|
1270 | a8083063 | Iustin Pop | """
|
1271 | a8083063 | Iustin Pop | node_list = self.cfg.GetNodeList()
|
1272 | a8083063 | Iustin Pop | node_data = rpc.call_os_diagnose(node_list) |
1273 | a8083063 | Iustin Pop | if node_data == False: |
1274 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't gather the list of OSes") |
1275 | 1f9430d6 | Iustin Pop | pol = self._DiagnoseByOS(node_list, node_data)
|
1276 | 1f9430d6 | Iustin Pop | output = [] |
1277 | 1f9430d6 | Iustin Pop | for os_name, os_data in pol.iteritems(): |
1278 | 1f9430d6 | Iustin Pop | row = [] |
1279 | 1f9430d6 | Iustin Pop | for field in self.op.output_fields: |
1280 | 1f9430d6 | Iustin Pop | if field == "name": |
1281 | 1f9430d6 | Iustin Pop | val = os_name |
1282 | 1f9430d6 | Iustin Pop | elif field == "valid": |
1283 | 1f9430d6 | Iustin Pop | val = utils.all([osl and osl[0] for osl in os_data.values()]) |
1284 | 1f9430d6 | Iustin Pop | elif field == "node_status": |
1285 | 1f9430d6 | Iustin Pop | val = {} |
1286 | 1f9430d6 | Iustin Pop | for node_name, nos_list in os_data.iteritems(): |
1287 | 1f9430d6 | Iustin Pop | val[node_name] = [(v.status, v.path) for v in nos_list] |
1288 | 1f9430d6 | Iustin Pop | else:
|
1289 | 1f9430d6 | Iustin Pop | raise errors.ParameterError(field)
|
1290 | 1f9430d6 | Iustin Pop | row.append(val) |
1291 | 1f9430d6 | Iustin Pop | output.append(row) |
1292 | 1f9430d6 | Iustin Pop | |
1293 | 1f9430d6 | Iustin Pop | return output
|
1294 | a8083063 | Iustin Pop | |
1295 | a8083063 | Iustin Pop | |
1296 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1297 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1298 | a8083063 | Iustin Pop |
|
1299 | a8083063 | Iustin Pop | """
|
1300 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1301 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1302 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1303 | a8083063 | Iustin Pop | |
1304 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1305 | a8083063 | Iustin Pop | """Build hooks env.
|
1306 | a8083063 | Iustin Pop |
|
1307 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1308 | d08869ee | Guido Trotter | node would then be impossible to remove.
|
1309 | a8083063 | Iustin Pop |
|
1310 | a8083063 | Iustin Pop | """
|
1311 | 396e1b78 | Michael Hanselmann | env = { |
1312 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1313 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1314 | 396e1b78 | Michael Hanselmann | } |
1315 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1316 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1317 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1318 | a8083063 | Iustin Pop | |
1319 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1320 | a8083063 | Iustin Pop | """Check prerequisites.
|
1321 | a8083063 | Iustin Pop |
|
1322 | a8083063 | Iustin Pop | This checks:
|
1323 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1324 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1325 | a8083063 | Iustin Pop | - it's not the master
|
1326 | a8083063 | Iustin Pop |
|
1327 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1328 | a8083063 | Iustin Pop |
|
1329 | a8083063 | Iustin Pop | """
|
1330 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1331 | a8083063 | Iustin Pop | if node is None: |
1332 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1333 | a8083063 | Iustin Pop | |
1334 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1335 | a8083063 | Iustin Pop | |
1336 | 880478f8 | Iustin Pop | masternode = self.sstore.GetMasterNode()
|
1337 | a8083063 | Iustin Pop | if node.name == masternode:
|
1338 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
1339 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
1340 | a8083063 | Iustin Pop | |
1341 | a8083063 | Iustin Pop | for instance_name in instance_list: |
1342 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
1343 | a8083063 | Iustin Pop | if node.name == instance.primary_node:
|
1344 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s still running on the node," |
1345 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1346 | a8083063 | Iustin Pop | if node.name in instance.secondary_nodes: |
1347 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s has node as a secondary," |
1348 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1349 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
1350 | a8083063 | Iustin Pop | self.node = node
|
1351 | a8083063 | Iustin Pop | |
1352 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1353 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
1354 | a8083063 | Iustin Pop |
|
1355 | a8083063 | Iustin Pop | """
|
1356 | a8083063 | Iustin Pop | node = self.node
|
1357 | a8083063 | Iustin Pop | logger.Info("stopping the node daemon and removing configs from node %s" %
|
1358 | a8083063 | Iustin Pop | node.name) |
1359 | a8083063 | Iustin Pop | |
1360 | a8083063 | Iustin Pop | rpc.call_node_leave_cluster(node.name) |
1361 | a8083063 | Iustin Pop | |
1362 | a8083063 | Iustin Pop | logger.Info("Removing node %s from config" % node.name)
|
1363 | a8083063 | Iustin Pop | |
1364 | a8083063 | Iustin Pop | self.cfg.RemoveNode(node.name)
|
1365 | a2fd9afc | Guido Trotter | # Remove the node from the Ganeti Lock Manager
|
1366 | a2fd9afc | Guido Trotter | self.context.glm.remove(locking.LEVEL_NODE, node.name)
|
1367 | a8083063 | Iustin Pop | |
1368 | d9c02ca6 | Michael Hanselmann | utils.RemoveHostFromEtcHosts(node.name) |
1369 | c8a0948f | Michael Hanselmann | |
1370 | a8083063 | Iustin Pop | |
1371 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
1372 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
1373 | a8083063 | Iustin Pop |
|
1374 | a8083063 | Iustin Pop | """
|
1375 | 246e180a | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1376 | a8083063 | Iustin Pop | |
1377 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1378 | a8083063 | Iustin Pop | """Check prerequisites.
|
1379 | a8083063 | Iustin Pop |
|
1380 | a8083063 | Iustin Pop | This checks that the fields required are valid output fields.
|
1381 | a8083063 | Iustin Pop |
|
1382 | a8083063 | Iustin Pop | """
|
1383 | e8a4c138 | Iustin Pop | self.dynamic_fields = frozenset([ |
1384 | e8a4c138 | Iustin Pop | "dtotal", "dfree", |
1385 | e8a4c138 | Iustin Pop | "mtotal", "mnode", "mfree", |
1386 | e8a4c138 | Iustin Pop | "bootid",
|
1387 | e8a4c138 | Iustin Pop | "ctotal",
|
1388 | e8a4c138 | Iustin Pop | ]) |
1389 | a8083063 | Iustin Pop | |
1390 | ec223efb | Iustin Pop | _CheckOutputFields(static=["name", "pinst_cnt", "sinst_cnt", |
1391 | ec223efb | Iustin Pop | "pinst_list", "sinst_list", |
1392 | 130a6a6f | Iustin Pop | "pip", "sip", "tags"], |
1393 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
1394 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1395 | a8083063 | Iustin Pop | |
1396 | 246e180a | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
1397 | a8083063 | Iustin Pop | |
1398 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1399 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
1400 | a8083063 | Iustin Pop |
|
1401 | a8083063 | Iustin Pop | """
|
1402 | 246e180a | Iustin Pop | nodenames = self.wanted
|
1403 | a8083063 | Iustin Pop | nodelist = [self.cfg.GetNodeInfo(name) for name in nodenames] |
1404 | a8083063 | Iustin Pop | |
1405 | a8083063 | Iustin Pop | # begin data gathering
|
1406 | a8083063 | Iustin Pop | |
1407 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
1408 | a8083063 | Iustin Pop | live_data = {} |
1409 | a8083063 | Iustin Pop | node_data = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
1410 | a8083063 | Iustin Pop | for name in nodenames: |
1411 | a8083063 | Iustin Pop | nodeinfo = node_data.get(name, None)
|
1412 | a8083063 | Iustin Pop | if nodeinfo:
|
1413 | a8083063 | Iustin Pop | live_data[name] = { |
1414 | a8083063 | Iustin Pop | "mtotal": utils.TryConvert(int, nodeinfo['memory_total']), |
1415 | a8083063 | Iustin Pop | "mnode": utils.TryConvert(int, nodeinfo['memory_dom0']), |
1416 | a8083063 | Iustin Pop | "mfree": utils.TryConvert(int, nodeinfo['memory_free']), |
1417 | a8083063 | Iustin Pop | "dtotal": utils.TryConvert(int, nodeinfo['vg_size']), |
1418 | a8083063 | Iustin Pop | "dfree": utils.TryConvert(int, nodeinfo['vg_free']), |
1419 | e8a4c138 | Iustin Pop | "ctotal": utils.TryConvert(int, nodeinfo['cpu_total']), |
1420 | 3ef10550 | Michael Hanselmann | "bootid": nodeinfo['bootid'], |
1421 | a8083063 | Iustin Pop | } |
1422 | a8083063 | Iustin Pop | else:
|
1423 | a8083063 | Iustin Pop | live_data[name] = {} |
1424 | a8083063 | Iustin Pop | else:
|
1425 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
1426 | a8083063 | Iustin Pop | |
1427 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
1428 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1429 | a8083063 | Iustin Pop | |
1430 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
1431 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
1432 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
1433 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
1434 | a8083063 | Iustin Pop | |
1435 | ec223efb | Iustin Pop | for instance_name in instancelist: |
1436 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
1437 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
1438 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
1439 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
1440 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
1441 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
1442 | a8083063 | Iustin Pop | |
1443 | a8083063 | Iustin Pop | # end data gathering
|
1444 | a8083063 | Iustin Pop | |
1445 | a8083063 | Iustin Pop | output = [] |
1446 | a8083063 | Iustin Pop | for node in nodelist: |
1447 | a8083063 | Iustin Pop | node_output = [] |
1448 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
1449 | a8083063 | Iustin Pop | if field == "name": |
1450 | a8083063 | Iustin Pop | val = node.name |
1451 | ec223efb | Iustin Pop | elif field == "pinst_list": |
1452 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
1453 | ec223efb | Iustin Pop | elif field == "sinst_list": |
1454 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
1455 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
1456 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
1457 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
1458 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
1459 | a8083063 | Iustin Pop | elif field == "pip": |
1460 | a8083063 | Iustin Pop | val = node.primary_ip |
1461 | a8083063 | Iustin Pop | elif field == "sip": |
1462 | a8083063 | Iustin Pop | val = node.secondary_ip |
1463 | 130a6a6f | Iustin Pop | elif field == "tags": |
1464 | 130a6a6f | Iustin Pop | val = list(node.GetTags())
|
1465 | a8083063 | Iustin Pop | elif field in self.dynamic_fields: |
1466 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
1467 | a8083063 | Iustin Pop | else:
|
1468 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1469 | a8083063 | Iustin Pop | node_output.append(val) |
1470 | a8083063 | Iustin Pop | output.append(node_output) |
1471 | a8083063 | Iustin Pop | |
1472 | a8083063 | Iustin Pop | return output
|
1473 | a8083063 | Iustin Pop | |
1474 | a8083063 | Iustin Pop | |
1475 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
1476 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
1477 | dcb93971 | Michael Hanselmann |
|
1478 | dcb93971 | Michael Hanselmann | """
|
1479 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
1480 | dcb93971 | Michael Hanselmann | |
1481 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
1482 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
1483 | dcb93971 | Michael Hanselmann |
|
1484 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
1485 | dcb93971 | Michael Hanselmann |
|
1486 | dcb93971 | Michael Hanselmann | """
|
1487 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1488 | dcb93971 | Michael Hanselmann | |
1489 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["node"],
|
1490 | dcb93971 | Michael Hanselmann | dynamic=["phys", "vg", "name", "size", "instance"], |
1491 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1492 | dcb93971 | Michael Hanselmann | |
1493 | dcb93971 | Michael Hanselmann | |
1494 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
1495 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
1496 | dcb93971 | Michael Hanselmann |
|
1497 | dcb93971 | Michael Hanselmann | """
|
1498 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
1499 | dcb93971 | Michael Hanselmann | volumes = rpc.call_node_volumes(nodenames) |
1500 | dcb93971 | Michael Hanselmann | |
1501 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
1502 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
1503 | dcb93971 | Michael Hanselmann | |
1504 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
1505 | dcb93971 | Michael Hanselmann | |
1506 | dcb93971 | Michael Hanselmann | output = [] |
1507 | dcb93971 | Michael Hanselmann | for node in nodenames: |
1508 | 37d19eb2 | Michael Hanselmann | if node not in volumes or not volumes[node]: |
1509 | 37d19eb2 | Michael Hanselmann | continue
|
1510 | 37d19eb2 | Michael Hanselmann | |
1511 | dcb93971 | Michael Hanselmann | node_vols = volumes[node][:] |
1512 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
1513 | dcb93971 | Michael Hanselmann | |
1514 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
1515 | dcb93971 | Michael Hanselmann | node_output = [] |
1516 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
1517 | dcb93971 | Michael Hanselmann | if field == "node": |
1518 | dcb93971 | Michael Hanselmann | val = node |
1519 | dcb93971 | Michael Hanselmann | elif field == "phys": |
1520 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
1521 | dcb93971 | Michael Hanselmann | elif field == "vg": |
1522 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
1523 | dcb93971 | Michael Hanselmann | elif field == "name": |
1524 | dcb93971 | Michael Hanselmann | val = vol['name']
|
1525 | dcb93971 | Michael Hanselmann | elif field == "size": |
1526 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
1527 | dcb93971 | Michael Hanselmann | elif field == "instance": |
1528 | dcb93971 | Michael Hanselmann | for inst in ilist: |
1529 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
1530 | dcb93971 | Michael Hanselmann | continue
|
1531 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
1532 | dcb93971 | Michael Hanselmann | val = inst.name |
1533 | dcb93971 | Michael Hanselmann | break
|
1534 | dcb93971 | Michael Hanselmann | else:
|
1535 | dcb93971 | Michael Hanselmann | val = '-'
|
1536 | dcb93971 | Michael Hanselmann | else:
|
1537 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1538 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
1539 | dcb93971 | Michael Hanselmann | |
1540 | dcb93971 | Michael Hanselmann | output.append(node_output) |
1541 | dcb93971 | Michael Hanselmann | |
1542 | dcb93971 | Michael Hanselmann | return output
|
1543 | dcb93971 | Michael Hanselmann | |
1544 | dcb93971 | Michael Hanselmann | |
1545 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
1546 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
1547 | a8083063 | Iustin Pop |
|
1548 | a8083063 | Iustin Pop | """
|
1549 | a8083063 | Iustin Pop | HPATH = "node-add"
|
1550 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1551 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1552 | a8083063 | Iustin Pop | |
1553 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1554 | a8083063 | Iustin Pop | """Build hooks env.
|
1555 | a8083063 | Iustin Pop |
|
1556 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
1557 | a8083063 | Iustin Pop |
|
1558 | a8083063 | Iustin Pop | """
|
1559 | a8083063 | Iustin Pop | env = { |
1560 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1561 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
1562 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
1563 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
1564 | a8083063 | Iustin Pop | } |
1565 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
1566 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
1567 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
1568 | a8083063 | Iustin Pop | |
1569 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1570 | a8083063 | Iustin Pop | """Check prerequisites.
|
1571 | a8083063 | Iustin Pop |
|
1572 | a8083063 | Iustin Pop | This checks:
|
1573 | a8083063 | Iustin Pop | - the new node is not already in the config
|
1574 | a8083063 | Iustin Pop | - it is resolvable
|
1575 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
1576 | a8083063 | Iustin Pop |
|
1577 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1578 | a8083063 | Iustin Pop |
|
1579 | a8083063 | Iustin Pop | """
|
1580 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
1581 | a8083063 | Iustin Pop | cfg = self.cfg
|
1582 | a8083063 | Iustin Pop | |
1583 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
1584 | a8083063 | Iustin Pop | |
1585 | bcf043c9 | Iustin Pop | node = dns_data.name |
1586 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
1587 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
1588 | a8083063 | Iustin Pop | if secondary_ip is None: |
1589 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
1590 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
1591 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
1592 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
1593 | e7c6e02b | Michael Hanselmann | |
1594 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
1595 | e7c6e02b | Michael Hanselmann | if not self.op.readd and node in node_list: |
1596 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is already in the configuration" % |
1597 | e7c6e02b | Michael Hanselmann | node) |
1598 | e7c6e02b | Michael Hanselmann | elif self.op.readd and node not in node_list: |
1599 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is not in the configuration" % node) |
1600 | a8083063 | Iustin Pop | |
1601 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
1602 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
1603 | e7c6e02b | Michael Hanselmann | |
1604 | e7c6e02b | Michael Hanselmann | if self.op.readd and node == existing_node_name: |
1605 | e7c6e02b | Michael Hanselmann | if (existing_node.primary_ip != primary_ip or |
1606 | e7c6e02b | Michael Hanselmann | existing_node.secondary_ip != secondary_ip): |
1607 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Readded node doesn't have the same IP" |
1608 | e7c6e02b | Michael Hanselmann | " address configuration as before")
|
1609 | e7c6e02b | Michael Hanselmann | continue
|
1610 | e7c6e02b | Michael Hanselmann | |
1611 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
1612 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
1613 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
1614 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
1615 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
1616 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
1617 | a8083063 | Iustin Pop | |
1618 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
1619 | a8083063 | Iustin Pop | # same as for the master
|
1620 | 880478f8 | Iustin Pop | myself = cfg.GetNodeInfo(self.sstore.GetMasterNode())
|
1621 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
1622 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
1623 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
1624 | a8083063 | Iustin Pop | if master_singlehomed:
|
1625 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
1626 | 3ecf6786 | Iustin Pop | " new node has one")
|
1627 | a8083063 | Iustin Pop | else:
|
1628 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
1629 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
1630 | a8083063 | Iustin Pop | |
1631 | a8083063 | Iustin Pop | # checks reachablity
|
1632 | b15d625f | Iustin Pop | if not utils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
1633 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
1634 | a8083063 | Iustin Pop | |
1635 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
1636 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
1637 | b15d625f | Iustin Pop | if not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
1638 | b15d625f | Iustin Pop | source=myself.secondary_ip): |
1639 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
1640 | f4bc1f2c | Michael Hanselmann | " based ping to noded port")
|
1641 | a8083063 | Iustin Pop | |
1642 | a8083063 | Iustin Pop | self.new_node = objects.Node(name=node,
|
1643 | a8083063 | Iustin Pop | primary_ip=primary_ip, |
1644 | a8083063 | Iustin Pop | secondary_ip=secondary_ip) |
1645 | a8083063 | Iustin Pop | |
1646 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1647 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
1648 | a8083063 | Iustin Pop |
|
1649 | a8083063 | Iustin Pop | """
|
1650 | a8083063 | Iustin Pop | new_node = self.new_node
|
1651 | a8083063 | Iustin Pop | node = new_node.name |
1652 | a8083063 | Iustin Pop | |
1653 | a8083063 | Iustin Pop | # check connectivity
|
1654 | a8083063 | Iustin Pop | result = rpc.call_version([node])[node] |
1655 | a8083063 | Iustin Pop | if result:
|
1656 | a8083063 | Iustin Pop | if constants.PROTOCOL_VERSION == result:
|
1657 | a8083063 | Iustin Pop | logger.Info("communication to node %s fine, sw version %s match" %
|
1658 | a8083063 | Iustin Pop | (node, result)) |
1659 | a8083063 | Iustin Pop | else:
|
1660 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
1661 | 3ecf6786 | Iustin Pop | " node version %s" %
|
1662 | 3ecf6786 | Iustin Pop | (constants.PROTOCOL_VERSION, result)) |
1663 | a8083063 | Iustin Pop | else:
|
1664 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot get version from the new node") |
1665 | a8083063 | Iustin Pop | |
1666 | a8083063 | Iustin Pop | # setup ssh on node
|
1667 | a8083063 | Iustin Pop | logger.Info("copy ssh key to node %s" % node)
|
1668 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
1669 | a8083063 | Iustin Pop | keyarray = [] |
1670 | 70d9e3d8 | Iustin Pop | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
1671 | 70d9e3d8 | Iustin Pop | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
1672 | 70d9e3d8 | Iustin Pop | priv_key, pub_key] |
1673 | a8083063 | Iustin Pop | |
1674 | a8083063 | Iustin Pop | for i in keyfiles: |
1675 | a8083063 | Iustin Pop | f = open(i, 'r') |
1676 | a8083063 | Iustin Pop | try:
|
1677 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
1678 | a8083063 | Iustin Pop | finally:
|
1679 | a8083063 | Iustin Pop | f.close() |
1680 | a8083063 | Iustin Pop | |
1681 | a8083063 | Iustin Pop | result = rpc.call_node_add(node, keyarray[0], keyarray[1], keyarray[2], |
1682 | a8083063 | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
1683 | a8083063 | Iustin Pop | |
1684 | a8083063 | Iustin Pop | if not result: |
1685 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot transfer ssh keys to the new node") |
1686 | a8083063 | Iustin Pop | |
1687 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
1688 | d9c02ca6 | Michael Hanselmann | utils.AddHostToEtcHosts(new_node.name) |
1689 | c8a0948f | Michael Hanselmann | |
1690 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
1691 | 16abfbc2 | Alexander Schreiber | if not rpc.call_node_tcp_ping(new_node.name, |
1692 | 16abfbc2 | Alexander Schreiber | constants.LOCALHOST_IP_ADDRESS, |
1693 | 16abfbc2 | Alexander Schreiber | new_node.secondary_ip, |
1694 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT, |
1695 | 16abfbc2 | Alexander Schreiber | 10, False): |
1696 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
1697 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
1698 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
1699 | a8083063 | Iustin Pop | |
1700 | 5c0527ed | Guido Trotter | node_verify_list = [self.sstore.GetMasterNode()]
|
1701 | 5c0527ed | Guido Trotter | node_verify_param = { |
1702 | 5c0527ed | Guido Trotter | 'nodelist': [node],
|
1703 | 5c0527ed | Guido Trotter | # TODO: do a node-net-test as well?
|
1704 | 5c0527ed | Guido Trotter | } |
1705 | 5c0527ed | Guido Trotter | |
1706 | 5c0527ed | Guido Trotter | result = rpc.call_node_verify(node_verify_list, node_verify_param) |
1707 | 5c0527ed | Guido Trotter | for verifier in node_verify_list: |
1708 | 5c0527ed | Guido Trotter | if not result[verifier]: |
1709 | 5c0527ed | Guido Trotter | raise errors.OpExecError("Cannot communicate with %s's node daemon" |
1710 | 5c0527ed | Guido Trotter | " for remote verification" % verifier)
|
1711 | 5c0527ed | Guido Trotter | if result[verifier]['nodelist']: |
1712 | 5c0527ed | Guido Trotter | for failed in result[verifier]['nodelist']: |
1713 | 5c0527ed | Guido Trotter | feedback_fn("ssh/hostname verification failed %s -> %s" %
|
1714 | 5c0527ed | Guido Trotter | (verifier, result[verifier]['nodelist'][failed]))
|
1715 | 5c0527ed | Guido Trotter | raise errors.OpExecError("ssh/hostname verification failed.") |
1716 | ff98055b | Iustin Pop | |
1717 | a8083063 | Iustin Pop | # Distribute updated /etc/hosts and known_hosts to all nodes,
|
1718 | a8083063 | Iustin Pop | # including the node just added
|
1719 | 880478f8 | Iustin Pop | myself = self.cfg.GetNodeInfo(self.sstore.GetMasterNode()) |
1720 | 102b115b | Michael Hanselmann | dist_nodes = self.cfg.GetNodeList()
|
1721 | 102b115b | Michael Hanselmann | if not self.op.readd: |
1722 | 102b115b | Michael Hanselmann | dist_nodes.append(node) |
1723 | a8083063 | Iustin Pop | if myself.name in dist_nodes: |
1724 | a8083063 | Iustin Pop | dist_nodes.remove(myself.name) |
1725 | a8083063 | Iustin Pop | |
1726 | a8083063 | Iustin Pop | logger.Debug("Copying hosts and known_hosts to all nodes")
|
1727 | 107711b0 | Michael Hanselmann | for fname in (constants.ETC_HOSTS, constants.SSH_KNOWN_HOSTS_FILE): |
1728 | a8083063 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1729 | a8083063 | Iustin Pop | for to_node in dist_nodes: |
1730 | a8083063 | Iustin Pop | if not result[to_node]: |
1731 | a8083063 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1732 | a8083063 | Iustin Pop | (fname, to_node)) |
1733 | a8083063 | Iustin Pop | |
1734 | 3d1e7706 | Guido Trotter | to_copy = self.sstore.GetFileList()
|
1735 | 2a6469d5 | Alexander Schreiber | if self.sstore.GetHypervisorType() == constants.HT_XEN_HVM31: |
1736 | 2a6469d5 | Alexander Schreiber | to_copy.append(constants.VNC_PASSWORD_FILE) |
1737 | a8083063 | Iustin Pop | for fname in to_copy: |
1738 | b5602d15 | Guido Trotter | result = rpc.call_upload_file([node], fname) |
1739 | b5602d15 | Guido Trotter | if not result[node]: |
1740 | a8083063 | Iustin Pop | logger.Error("could not copy file %s to node %s" % (fname, node))
|
1741 | a8083063 | Iustin Pop | |
1742 | e7c6e02b | Michael Hanselmann | if not self.op.readd: |
1743 | e7c6e02b | Michael Hanselmann | logger.Info("adding node %s to cluster.conf" % node)
|
1744 | e7c6e02b | Michael Hanselmann | self.cfg.AddNode(new_node)
|
1745 | a2fd9afc | Guido Trotter | # Add the new node to the Ganeti Lock Manager
|
1746 | a2fd9afc | Guido Trotter | self.context.glm.add(locking.LEVEL_NODE, node)
|
1747 | a8083063 | Iustin Pop | |
1748 | a8083063 | Iustin Pop | |
1749 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
1750 | a8083063 | Iustin Pop | """Query cluster configuration.
|
1751 | a8083063 | Iustin Pop |
|
1752 | a8083063 | Iustin Pop | """
|
1753 | a8083063 | Iustin Pop | _OP_REQP = [] |
1754 | 59322403 | Iustin Pop | REQ_MASTER = False
|
1755 | 642339cf | Guido Trotter | REQ_BGL = False
|
1756 | 642339cf | Guido Trotter | |
1757 | 642339cf | Guido Trotter | def ExpandNames(self): |
1758 | 642339cf | Guido Trotter | self.needed_locks = {}
|
1759 | a8083063 | Iustin Pop | |
1760 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1761 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
1762 | a8083063 | Iustin Pop |
|
1763 | a8083063 | Iustin Pop | """
|
1764 | a8083063 | Iustin Pop | pass
|
1765 | a8083063 | Iustin Pop | |
1766 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1767 | a8083063 | Iustin Pop | """Return cluster config.
|
1768 | a8083063 | Iustin Pop |
|
1769 | a8083063 | Iustin Pop | """
|
1770 | a8083063 | Iustin Pop | result = { |
1771 | 5fcdc80d | Iustin Pop | "name": self.sstore.GetClusterName(), |
1772 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
1773 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
1774 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
1775 | a8083063 | Iustin Pop | "os_api_version": constants.OS_API_VERSION,
|
1776 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
1777 | 880478f8 | Iustin Pop | "master": self.sstore.GetMasterNode(), |
1778 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
1779 | 8a12ce45 | Iustin Pop | "hypervisor_type": self.sstore.GetHypervisorType(), |
1780 | a8083063 | Iustin Pop | } |
1781 | a8083063 | Iustin Pop | |
1782 | a8083063 | Iustin Pop | return result
|
1783 | a8083063 | Iustin Pop | |
1784 | a8083063 | Iustin Pop | |
1785 | a8083063 | Iustin Pop | class LUDumpClusterConfig(NoHooksLU): |
1786 | a8083063 | Iustin Pop | """Return a text-representation of the cluster-config.
|
1787 | a8083063 | Iustin Pop |
|
1788 | a8083063 | Iustin Pop | """
|
1789 | a8083063 | Iustin Pop | _OP_REQP = [] |
1790 | 642339cf | Guido Trotter | REQ_BGL = False
|
1791 | 642339cf | Guido Trotter | |
1792 | 642339cf | Guido Trotter | def ExpandNames(self): |
1793 | 642339cf | Guido Trotter | self.needed_locks = {}
|
1794 | a8083063 | Iustin Pop | |
1795 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1796 | a8083063 | Iustin Pop | """No prerequisites.
|
1797 | a8083063 | Iustin Pop |
|
1798 | a8083063 | Iustin Pop | """
|
1799 | a8083063 | Iustin Pop | pass
|
1800 | a8083063 | Iustin Pop | |
1801 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1802 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
1803 | a8083063 | Iustin Pop |
|
1804 | a8083063 | Iustin Pop | """
|
1805 | a8083063 | Iustin Pop | return self.cfg.DumpConfig() |
1806 | a8083063 | Iustin Pop | |
1807 | a8083063 | Iustin Pop | |
1808 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
1809 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
1810 | a8083063 | Iustin Pop |
|
1811 | a8083063 | Iustin Pop | """
|
1812 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1813 | a8083063 | Iustin Pop | |
1814 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1815 | a8083063 | Iustin Pop | """Check prerequisites.
|
1816 | a8083063 | Iustin Pop |
|
1817 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1818 | a8083063 | Iustin Pop |
|
1819 | a8083063 | Iustin Pop | """
|
1820 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1821 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1822 | a8083063 | Iustin Pop | if instance is None: |
1823 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1824 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1825 | a8083063 | Iustin Pop | self.instance = instance
|
1826 | a8083063 | Iustin Pop | |
1827 | a8083063 | Iustin Pop | |
1828 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1829 | a8083063 | Iustin Pop | """Activate the disks.
|
1830 | a8083063 | Iustin Pop |
|
1831 | a8083063 | Iustin Pop | """
|
1832 | a8083063 | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self.instance, self.cfg) |
1833 | a8083063 | Iustin Pop | if not disks_ok: |
1834 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
1835 | a8083063 | Iustin Pop | |
1836 | a8083063 | Iustin Pop | return disks_info
|
1837 | a8083063 | Iustin Pop | |
1838 | a8083063 | Iustin Pop | |
1839 | a8083063 | Iustin Pop | def _AssembleInstanceDisks(instance, cfg, ignore_secondaries=False): |
1840 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
1841 | a8083063 | Iustin Pop |
|
1842 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
1843 | a8083063 | Iustin Pop |
|
1844 | a8083063 | Iustin Pop | Args:
|
1845 | a8083063 | Iustin Pop | instance: a ganeti.objects.Instance object
|
1846 | a8083063 | Iustin Pop | ignore_secondaries: if true, errors on secondary nodes won't result
|
1847 | a8083063 | Iustin Pop | in an error return from the function
|
1848 | a8083063 | Iustin Pop |
|
1849 | a8083063 | Iustin Pop | Returns:
|
1850 | a8083063 | Iustin Pop | false if the operation failed
|
1851 | a8083063 | Iustin Pop | list of (host, instance_visible_name, node_visible_name) if the operation
|
1852 | a8083063 | Iustin Pop | suceeded with the mapping from node devices to instance devices
|
1853 | a8083063 | Iustin Pop | """
|
1854 | a8083063 | Iustin Pop | device_info = [] |
1855 | a8083063 | Iustin Pop | disks_ok = True
|
1856 | fdbd668d | Iustin Pop | iname = instance.name |
1857 | fdbd668d | Iustin Pop | # With the two passes mechanism we try to reduce the window of
|
1858 | fdbd668d | Iustin Pop | # opportunity for the race condition of switching DRBD to primary
|
1859 | fdbd668d | Iustin Pop | # before handshaking occured, but we do not eliminate it
|
1860 | fdbd668d | Iustin Pop | |
1861 | fdbd668d | Iustin Pop | # The proper fix would be to wait (with some limits) until the
|
1862 | fdbd668d | Iustin Pop | # connection has been made and drbd transitions from WFConnection
|
1863 | fdbd668d | Iustin Pop | # into any other network-connected state (Connected, SyncTarget,
|
1864 | fdbd668d | Iustin Pop | # SyncSource, etc.)
|
1865 | fdbd668d | Iustin Pop | |
1866 | fdbd668d | Iustin Pop | # 1st pass, assemble on all nodes in secondary mode
|
1867 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
1868 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1869 | a8083063 | Iustin Pop | cfg.SetDiskID(node_disk, node) |
1870 | fdbd668d | Iustin Pop | result = rpc.call_blockdev_assemble(node, node_disk, iname, False)
|
1871 | a8083063 | Iustin Pop | if not result: |
1872 | f4bc1f2c | Michael Hanselmann | logger.Error("could not prepare block device %s on node %s"
|
1873 | fdbd668d | Iustin Pop | " (is_primary=False, pass=1)" % (inst_disk.iv_name, node))
|
1874 | fdbd668d | Iustin Pop | if not ignore_secondaries: |
1875 | a8083063 | Iustin Pop | disks_ok = False
|
1876 | fdbd668d | Iustin Pop | |
1877 | fdbd668d | Iustin Pop | # FIXME: race condition on drbd migration to primary
|
1878 | fdbd668d | Iustin Pop | |
1879 | fdbd668d | Iustin Pop | # 2nd pass, do only the primary node
|
1880 | fdbd668d | Iustin Pop | for inst_disk in instance.disks: |
1881 | fdbd668d | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1882 | fdbd668d | Iustin Pop | if node != instance.primary_node:
|
1883 | fdbd668d | Iustin Pop | continue
|
1884 | fdbd668d | Iustin Pop | cfg.SetDiskID(node_disk, node) |
1885 | fdbd668d | Iustin Pop | result = rpc.call_blockdev_assemble(node, node_disk, iname, True)
|
1886 | fdbd668d | Iustin Pop | if not result: |
1887 | fdbd668d | Iustin Pop | logger.Error("could not prepare block device %s on node %s"
|
1888 | fdbd668d | Iustin Pop | " (is_primary=True, pass=2)" % (inst_disk.iv_name, node))
|
1889 | fdbd668d | Iustin Pop | disks_ok = False
|
1890 | fdbd668d | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, result)) |
1891 | a8083063 | Iustin Pop | |
1892 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
1893 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
1894 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
1895 | b352ab5b | Iustin Pop | for disk in instance.disks: |
1896 | b352ab5b | Iustin Pop | cfg.SetDiskID(disk, instance.primary_node) |
1897 | b352ab5b | Iustin Pop | |
1898 | a8083063 | Iustin Pop | return disks_ok, device_info
|
1899 | a8083063 | Iustin Pop | |
1900 | a8083063 | Iustin Pop | |
1901 | fe7b0351 | Michael Hanselmann | def _StartInstanceDisks(cfg, instance, force): |
1902 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
1903 | 3ecf6786 | Iustin Pop |
|
1904 | 3ecf6786 | Iustin Pop | """
|
1905 | fe7b0351 | Michael Hanselmann | disks_ok, dummy = _AssembleInstanceDisks(instance, cfg, |
1906 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
1907 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
1908 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(instance, cfg) |
1909 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
1910 | fe7b0351 | Michael Hanselmann | logger.Error("If the message above refers to a secondary node,"
|
1911 | fe7b0351 | Michael Hanselmann | " you can retry the operation using '--force'.")
|
1912 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
1913 | fe7b0351 | Michael Hanselmann | |
1914 | fe7b0351 | Michael Hanselmann | |
1915 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
1916 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
1917 | a8083063 | Iustin Pop |
|
1918 | a8083063 | Iustin Pop | """
|
1919 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1920 | a8083063 | Iustin Pop | |
1921 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1922 | a8083063 | Iustin Pop | """Check prerequisites.
|
1923 | a8083063 | Iustin Pop |
|
1924 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1925 | a8083063 | Iustin Pop |
|
1926 | a8083063 | Iustin Pop | """
|
1927 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1928 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1929 | a8083063 | Iustin Pop | if instance is None: |
1930 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1931 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1932 | a8083063 | Iustin Pop | self.instance = instance
|
1933 | a8083063 | Iustin Pop | |
1934 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1935 | a8083063 | Iustin Pop | """Deactivate the disks
|
1936 | a8083063 | Iustin Pop |
|
1937 | a8083063 | Iustin Pop | """
|
1938 | a8083063 | Iustin Pop | instance = self.instance
|
1939 | a8083063 | Iustin Pop | ins_l = rpc.call_instance_list([instance.primary_node]) |
1940 | a8083063 | Iustin Pop | ins_l = ins_l[instance.primary_node] |
1941 | a8083063 | Iustin Pop | if not type(ins_l) is list: |
1942 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't contact node '%s'" % |
1943 | 3ecf6786 | Iustin Pop | instance.primary_node) |
1944 | a8083063 | Iustin Pop | |
1945 | a8083063 | Iustin Pop | if self.instance.name in ins_l: |
1946 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance is running, can't shutdown" |
1947 | 3ecf6786 | Iustin Pop | " block devices.")
|
1948 | a8083063 | Iustin Pop | |
1949 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
1950 | a8083063 | Iustin Pop | |
1951 | a8083063 | Iustin Pop | |
1952 | a8083063 | Iustin Pop | def _ShutdownInstanceDisks(instance, cfg, ignore_primary=False): |
1953 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
1954 | a8083063 | Iustin Pop |
|
1955 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
1956 | a8083063 | Iustin Pop |
|
1957 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
1958 | a8083063 | Iustin Pop | ignored.
|
1959 | a8083063 | Iustin Pop |
|
1960 | a8083063 | Iustin Pop | """
|
1961 | a8083063 | Iustin Pop | result = True
|
1962 | a8083063 | Iustin Pop | for disk in instance.disks: |
1963 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
1964 | a8083063 | Iustin Pop | cfg.SetDiskID(top_disk, node) |
1965 | a8083063 | Iustin Pop | if not rpc.call_blockdev_shutdown(node, top_disk): |
1966 | a8083063 | Iustin Pop | logger.Error("could not shutdown block device %s on node %s" %
|
1967 | a8083063 | Iustin Pop | (disk.iv_name, node)) |
1968 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
1969 | a8083063 | Iustin Pop | result = False
|
1970 | a8083063 | Iustin Pop | return result
|
1971 | a8083063 | Iustin Pop | |
1972 | a8083063 | Iustin Pop | |
1973 | d4f16fd9 | Iustin Pop | def _CheckNodeFreeMemory(cfg, node, reason, requested): |
1974 | d4f16fd9 | Iustin Pop | """Checks if a node has enough free memory.
|
1975 | d4f16fd9 | Iustin Pop |
|
1976 | d4f16fd9 | Iustin Pop | This function check if a given node has the needed amount of free
|
1977 | d4f16fd9 | Iustin Pop | memory. In case the node has less memory or we cannot get the
|
1978 | d4f16fd9 | Iustin Pop | information from the node, this function raise an OpPrereqError
|
1979 | d4f16fd9 | Iustin Pop | exception.
|
1980 | d4f16fd9 | Iustin Pop |
|
1981 | d4f16fd9 | Iustin Pop | Args:
|
1982 | d4f16fd9 | Iustin Pop | - cfg: a ConfigWriter instance
|
1983 | d4f16fd9 | Iustin Pop | - node: the node name
|
1984 | d4f16fd9 | Iustin Pop | - reason: string to use in the error message
|
1985 | d4f16fd9 | Iustin Pop | - requested: the amount of memory in MiB
|
1986 | d4f16fd9 | Iustin Pop |
|
1987 | d4f16fd9 | Iustin Pop | """
|
1988 | d4f16fd9 | Iustin Pop | nodeinfo = rpc.call_node_info([node], cfg.GetVGName()) |
1989 | d4f16fd9 | Iustin Pop | if not nodeinfo or not isinstance(nodeinfo, dict): |
1990 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Could not contact node %s for resource" |
1991 | d4f16fd9 | Iustin Pop | " information" % (node,))
|
1992 | d4f16fd9 | Iustin Pop | |
1993 | d4f16fd9 | Iustin Pop | free_mem = nodeinfo[node].get('memory_free')
|
1994 | d4f16fd9 | Iustin Pop | if not isinstance(free_mem, int): |
1995 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Can't compute free memory on node %s, result" |
1996 | d4f16fd9 | Iustin Pop | " was '%s'" % (node, free_mem))
|
1997 | d4f16fd9 | Iustin Pop | if requested > free_mem:
|
1998 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on node %s for %s:" |
1999 | d4f16fd9 | Iustin Pop | " needed %s MiB, available %s MiB" %
|
2000 | d4f16fd9 | Iustin Pop | (node, reason, requested, free_mem)) |
2001 | d4f16fd9 | Iustin Pop | |
2002 | d4f16fd9 | Iustin Pop | |
2003 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
2004 | a8083063 | Iustin Pop | """Starts an instance.
|
2005 | a8083063 | Iustin Pop |
|
2006 | a8083063 | Iustin Pop | """
|
2007 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
2008 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2009 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
2010 | a8083063 | Iustin Pop | |
2011 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2012 | a8083063 | Iustin Pop | """Build hooks env.
|
2013 | a8083063 | Iustin Pop |
|
2014 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2015 | a8083063 | Iustin Pop |
|
2016 | a8083063 | Iustin Pop | """
|
2017 | a8083063 | Iustin Pop | env = { |
2018 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
2019 | a8083063 | Iustin Pop | } |
2020 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2021 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2022 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2023 | a8083063 | Iustin Pop | return env, nl, nl
|
2024 | a8083063 | Iustin Pop | |
2025 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2026 | a8083063 | Iustin Pop | """Check prerequisites.
|
2027 | a8083063 | Iustin Pop |
|
2028 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2029 | a8083063 | Iustin Pop |
|
2030 | a8083063 | Iustin Pop | """
|
2031 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2032 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2033 | a8083063 | Iustin Pop | if instance is None: |
2034 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2035 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2036 | a8083063 | Iustin Pop | |
2037 | a8083063 | Iustin Pop | # check bridges existance
|
2038 | bf6929a2 | Alexander Schreiber | _CheckInstanceBridgesExist(instance) |
2039 | a8083063 | Iustin Pop | |
2040 | d4f16fd9 | Iustin Pop | _CheckNodeFreeMemory(self.cfg, instance.primary_node,
|
2041 | d4f16fd9 | Iustin Pop | "starting instance %s" % instance.name,
|
2042 | d4f16fd9 | Iustin Pop | instance.memory) |
2043 | d4f16fd9 | Iustin Pop | |
2044 | a8083063 | Iustin Pop | self.instance = instance
|
2045 | a8083063 | Iustin Pop | self.op.instance_name = instance.name
|
2046 | a8083063 | Iustin Pop | |
2047 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2048 | a8083063 | Iustin Pop | """Start the instance.
|
2049 | a8083063 | Iustin Pop |
|
2050 | a8083063 | Iustin Pop | """
|
2051 | a8083063 | Iustin Pop | instance = self.instance
|
2052 | a8083063 | Iustin Pop | force = self.op.force
|
2053 | a8083063 | Iustin Pop | extra_args = getattr(self.op, "extra_args", "") |
2054 | a8083063 | Iustin Pop | |
2055 | fe482621 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
2056 | fe482621 | Iustin Pop | |
2057 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2058 | a8083063 | Iustin Pop | |
2059 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, instance, force)
|
2060 | a8083063 | Iustin Pop | |
2061 | a8083063 | Iustin Pop | if not rpc.call_instance_start(node_current, instance, extra_args): |
2062 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2063 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
2064 | a8083063 | Iustin Pop | |
2065 | a8083063 | Iustin Pop | |
2066 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
2067 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
2068 | bf6929a2 | Alexander Schreiber |
|
2069 | bf6929a2 | Alexander Schreiber | """
|
2070 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
2071 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
2072 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
2073 | bf6929a2 | Alexander Schreiber | |
2074 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
2075 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
2076 | bf6929a2 | Alexander Schreiber |
|
2077 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
2078 | bf6929a2 | Alexander Schreiber |
|
2079 | bf6929a2 | Alexander Schreiber | """
|
2080 | bf6929a2 | Alexander Schreiber | env = { |
2081 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
2082 | bf6929a2 | Alexander Schreiber | } |
2083 | bf6929a2 | Alexander Schreiber | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2084 | bf6929a2 | Alexander Schreiber | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2085 | bf6929a2 | Alexander Schreiber | list(self.instance.secondary_nodes)) |
2086 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
2087 | bf6929a2 | Alexander Schreiber | |
2088 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
2089 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
2090 | bf6929a2 | Alexander Schreiber |
|
2091 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
2092 | bf6929a2 | Alexander Schreiber |
|
2093 | bf6929a2 | Alexander Schreiber | """
|
2094 | bf6929a2 | Alexander Schreiber | instance = self.cfg.GetInstanceInfo(
|
2095 | bf6929a2 | Alexander Schreiber | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2096 | bf6929a2 | Alexander Schreiber | if instance is None: |
2097 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("Instance '%s' not known" % |
2098 | bf6929a2 | Alexander Schreiber | self.op.instance_name)
|
2099 | bf6929a2 | Alexander Schreiber | |
2100 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
2101 | bf6929a2 | Alexander Schreiber | _CheckInstanceBridgesExist(instance) |
2102 | bf6929a2 | Alexander Schreiber | |
2103 | bf6929a2 | Alexander Schreiber | self.instance = instance
|
2104 | bf6929a2 | Alexander Schreiber | self.op.instance_name = instance.name
|
2105 | bf6929a2 | Alexander Schreiber | |
2106 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
2107 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
2108 | bf6929a2 | Alexander Schreiber |
|
2109 | bf6929a2 | Alexander Schreiber | """
|
2110 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
2111 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
2112 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
2113 | bf6929a2 | Alexander Schreiber | extra_args = getattr(self.op, "extra_args", "") |
2114 | bf6929a2 | Alexander Schreiber | |
2115 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
2116 | bf6929a2 | Alexander Schreiber | |
2117 | bf6929a2 | Alexander Schreiber | if reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
2118 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD, |
2119 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_FULL]: |
2120 | bf6929a2 | Alexander Schreiber | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
2121 | bf6929a2 | Alexander Schreiber | (constants.INSTANCE_REBOOT_SOFT, |
2122 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD, |
2123 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_FULL)) |
2124 | bf6929a2 | Alexander Schreiber | |
2125 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
2126 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
2127 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_reboot(node_current, instance, |
2128 | bf6929a2 | Alexander Schreiber | reboot_type, extra_args): |
2129 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not reboot instance") |
2130 | bf6929a2 | Alexander Schreiber | else:
|
2131 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_shutdown(node_current, instance): |
2132 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("could not shutdown instance for full reboot") |
2133 | bf6929a2 | Alexander Schreiber | _ShutdownInstanceDisks(instance, self.cfg)
|
2134 | bf6929a2 | Alexander Schreiber | _StartInstanceDisks(self.cfg, instance, ignore_secondaries)
|
2135 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_start(node_current, instance, extra_args): |
2136 | bf6929a2 | Alexander Schreiber | _ShutdownInstanceDisks(instance, self.cfg)
|
2137 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not start instance for full reboot") |
2138 | bf6929a2 | Alexander Schreiber | |
2139 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
2140 | bf6929a2 | Alexander Schreiber | |
2141 | bf6929a2 | Alexander Schreiber | |
2142 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
2143 | a8083063 | Iustin Pop | """Shutdown an instance.
|
2144 | a8083063 | Iustin Pop |
|
2145 | a8083063 | Iustin Pop | """
|
2146 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
2147 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2148 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2149 | a8083063 | Iustin Pop | |
2150 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2151 | a8083063 | Iustin Pop | """Build hooks env.
|
2152 | a8083063 | Iustin Pop |
|
2153 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2154 | a8083063 | Iustin Pop |
|
2155 | a8083063 | Iustin Pop | """
|
2156 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2157 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2158 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2159 | a8083063 | Iustin Pop | return env, nl, nl
|
2160 | a8083063 | Iustin Pop | |
2161 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2162 | a8083063 | Iustin Pop | """Check prerequisites.
|
2163 | a8083063 | Iustin Pop |
|
2164 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2165 | a8083063 | Iustin Pop |
|
2166 | a8083063 | Iustin Pop | """
|
2167 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2168 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2169 | a8083063 | Iustin Pop | if instance is None: |
2170 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2171 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2172 | a8083063 | Iustin Pop | self.instance = instance
|
2173 | a8083063 | Iustin Pop | |
2174 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2175 | a8083063 | Iustin Pop | """Shutdown the instance.
|
2176 | a8083063 | Iustin Pop |
|
2177 | a8083063 | Iustin Pop | """
|
2178 | a8083063 | Iustin Pop | instance = self.instance
|
2179 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2180 | fe482621 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
2181 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(node_current, instance): |
2182 | a8083063 | Iustin Pop | logger.Error("could not shutdown instance")
|
2183 | a8083063 | Iustin Pop | |
2184 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2185 | a8083063 | Iustin Pop | |
2186 | a8083063 | Iustin Pop | |
2187 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
2188 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
2189 | fe7b0351 | Michael Hanselmann |
|
2190 | fe7b0351 | Michael Hanselmann | """
|
2191 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
2192 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
2193 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
2194 | fe7b0351 | Michael Hanselmann | |
2195 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
2196 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
2197 | fe7b0351 | Michael Hanselmann |
|
2198 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
2199 | fe7b0351 | Michael Hanselmann |
|
2200 | fe7b0351 | Michael Hanselmann | """
|
2201 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2202 | fe7b0351 | Michael Hanselmann | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2203 | fe7b0351 | Michael Hanselmann | list(self.instance.secondary_nodes)) |
2204 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
2205 | fe7b0351 | Michael Hanselmann | |
2206 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
2207 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
2208 | fe7b0351 | Michael Hanselmann |
|
2209 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
2210 | fe7b0351 | Michael Hanselmann |
|
2211 | fe7b0351 | Michael Hanselmann | """
|
2212 | fe7b0351 | Michael Hanselmann | instance = self.cfg.GetInstanceInfo(
|
2213 | fe7b0351 | Michael Hanselmann | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2214 | fe7b0351 | Michael Hanselmann | if instance is None: |
2215 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2216 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2217 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
2218 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
2219 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2220 | fe7b0351 | Michael Hanselmann | if instance.status != "down": |
2221 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2222 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2223 | fe7b0351 | Michael Hanselmann | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2224 | fe7b0351 | Michael Hanselmann | if remote_info:
|
2225 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2226 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
2227 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
2228 | d0834de3 | Michael Hanselmann | |
2229 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
2230 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2231 | d0834de3 | Michael Hanselmann | # OS verification
|
2232 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
2233 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
2234 | d0834de3 | Michael Hanselmann | if pnode is None: |
2235 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2236 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2237 | 00fe9e38 | Guido Trotter | os_obj = rpc.call_os_get(pnode.name, self.op.os_type)
|
2238 | dfa96ded | Guido Trotter | if not os_obj: |
2239 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported OS list for" |
2240 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2241 | d0834de3 | Michael Hanselmann | |
2242 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
2243 | fe7b0351 | Michael Hanselmann | |
2244 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
2245 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
2246 | fe7b0351 | Michael Hanselmann |
|
2247 | fe7b0351 | Michael Hanselmann | """
|
2248 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
2249 | fe7b0351 | Michael Hanselmann | |
2250 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2251 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
2252 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
2253 | d0834de3 | Michael Hanselmann | self.cfg.AddInstance(inst)
|
2254 | d0834de3 | Michael Hanselmann | |
2255 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, inst, None) |
2256 | fe7b0351 | Michael Hanselmann | try:
|
2257 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
2258 | fe7b0351 | Michael Hanselmann | if not rpc.call_instance_os_add(inst.primary_node, inst, "sda", "sdb"): |
2259 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Could not install OS for instance %s" |
2260 | f4bc1f2c | Michael Hanselmann | " on node %s" %
|
2261 | 3ecf6786 | Iustin Pop | (inst.name, inst.primary_node)) |
2262 | fe7b0351 | Michael Hanselmann | finally:
|
2263 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(inst, self.cfg)
|
2264 | fe7b0351 | Michael Hanselmann | |
2265 | fe7b0351 | Michael Hanselmann | |
2266 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
2267 | decd5f45 | Iustin Pop | """Rename an instance.
|
2268 | decd5f45 | Iustin Pop |
|
2269 | decd5f45 | Iustin Pop | """
|
2270 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
2271 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2272 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
2273 | decd5f45 | Iustin Pop | |
2274 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
2275 | decd5f45 | Iustin Pop | """Build hooks env.
|
2276 | decd5f45 | Iustin Pop |
|
2277 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2278 | decd5f45 | Iustin Pop |
|
2279 | decd5f45 | Iustin Pop | """
|
2280 | decd5f45 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self.instance)
|
2281 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
2282 | decd5f45 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2283 | decd5f45 | Iustin Pop | list(self.instance.secondary_nodes)) |
2284 | decd5f45 | Iustin Pop | return env, nl, nl
|
2285 | decd5f45 | Iustin Pop | |
2286 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
2287 | decd5f45 | Iustin Pop | """Check prerequisites.
|
2288 | decd5f45 | Iustin Pop |
|
2289 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
2290 | decd5f45 | Iustin Pop |
|
2291 | decd5f45 | Iustin Pop | """
|
2292 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2293 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2294 | decd5f45 | Iustin Pop | if instance is None: |
2295 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2296 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2297 | decd5f45 | Iustin Pop | if instance.status != "down": |
2298 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2299 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2300 | decd5f45 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2301 | decd5f45 | Iustin Pop | if remote_info:
|
2302 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2303 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
2304 | decd5f45 | Iustin Pop | instance.primary_node)) |
2305 | decd5f45 | Iustin Pop | self.instance = instance
|
2306 | decd5f45 | Iustin Pop | |
2307 | decd5f45 | Iustin Pop | # new name verification
|
2308 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
2309 | decd5f45 | Iustin Pop | |
2310 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
2311 | 7bde3275 | Guido Trotter | instance_list = self.cfg.GetInstanceList()
|
2312 | 7bde3275 | Guido Trotter | if new_name in instance_list: |
2313 | 7bde3275 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
2314 | c09f363f | Manuel Franceschini | new_name) |
2315 | 7bde3275 | Guido Trotter | |
2316 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
2317 | 937f983d | Guido Trotter | if utils.TcpPing(name_info.ip, constants.DEFAULT_NODED_PORT):
|
2318 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
2319 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
2320 | decd5f45 | Iustin Pop | |
2321 | decd5f45 | Iustin Pop | |
2322 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
2323 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
2324 | decd5f45 | Iustin Pop |
|
2325 | decd5f45 | Iustin Pop | """
|
2326 | decd5f45 | Iustin Pop | inst = self.instance
|
2327 | decd5f45 | Iustin Pop | old_name = inst.name |
2328 | decd5f45 | Iustin Pop | |
2329 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2330 | b23c4333 | Manuel Franceschini | old_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2331 | b23c4333 | Manuel Franceschini | |
2332 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
2333 | 74b5913f | Guido Trotter | # Change the instance lock. This is definitely safe while we hold the BGL
|
2334 | 74b5913f | Guido Trotter | self.context.glm.remove(locking.LEVEL_INSTANCE, inst.name)
|
2335 | 74b5913f | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, self.op.new_name) |
2336 | decd5f45 | Iustin Pop | |
2337 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
2338 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
2339 | decd5f45 | Iustin Pop | |
2340 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2341 | b23c4333 | Manuel Franceschini | new_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2342 | b23c4333 | Manuel Franceschini | result = rpc.call_file_storage_dir_rename(inst.primary_node, |
2343 | b23c4333 | Manuel Franceschini | old_file_storage_dir, |
2344 | b23c4333 | Manuel Franceschini | new_file_storage_dir) |
2345 | b23c4333 | Manuel Franceschini | |
2346 | b23c4333 | Manuel Franceschini | if not result: |
2347 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not connect to node '%s' to rename" |
2348 | b23c4333 | Manuel Franceschini | " directory '%s' to '%s' (but the instance"
|
2349 | b23c4333 | Manuel Franceschini | " has been renamed in Ganeti)" % (
|
2350 | b23c4333 | Manuel Franceschini | inst.primary_node, old_file_storage_dir, |
2351 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2352 | b23c4333 | Manuel Franceschini | |
2353 | b23c4333 | Manuel Franceschini | if not result[0]: |
2354 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not rename directory '%s' to '%s'" |
2355 | b23c4333 | Manuel Franceschini | " (but the instance has been renamed in"
|
2356 | b23c4333 | Manuel Franceschini | " Ganeti)" % (old_file_storage_dir,
|
2357 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2358 | b23c4333 | Manuel Franceschini | |
2359 | decd5f45 | Iustin Pop | _StartInstanceDisks(self.cfg, inst, None) |
2360 | decd5f45 | Iustin Pop | try:
|
2361 | decd5f45 | Iustin Pop | if not rpc.call_instance_run_rename(inst.primary_node, inst, old_name, |
2362 | decd5f45 | Iustin Pop | "sda", "sdb"): |
2363 | f4bc1f2c | Michael Hanselmann | msg = ("Could run OS rename script for instance %s on node %s (but the"
|
2364 | f4bc1f2c | Michael Hanselmann | " instance has been renamed in Ganeti)" %
|
2365 | decd5f45 | Iustin Pop | (inst.name, inst.primary_node)) |
2366 | decd5f45 | Iustin Pop | logger.Error(msg) |
2367 | decd5f45 | Iustin Pop | finally:
|
2368 | decd5f45 | Iustin Pop | _ShutdownInstanceDisks(inst, self.cfg)
|
2369 | decd5f45 | Iustin Pop | |
2370 | decd5f45 | Iustin Pop | |
2371 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
2372 | a8083063 | Iustin Pop | """Remove an instance.
|
2373 | a8083063 | Iustin Pop |
|
2374 | a8083063 | Iustin Pop | """
|
2375 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
2376 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2377 | 5c54b832 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_failures"] |
2378 | a8083063 | Iustin Pop | |
2379 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2380 | a8083063 | Iustin Pop | """Build hooks env.
|
2381 | a8083063 | Iustin Pop |
|
2382 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2383 | a8083063 | Iustin Pop |
|
2384 | a8083063 | Iustin Pop | """
|
2385 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2386 | 1d67656e | Iustin Pop | nl = [self.sstore.GetMasterNode()]
|
2387 | a8083063 | Iustin Pop | return env, nl, nl
|
2388 | a8083063 | Iustin Pop | |
2389 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2390 | a8083063 | Iustin Pop | """Check prerequisites.
|
2391 | a8083063 | Iustin Pop |
|
2392 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2393 | a8083063 | Iustin Pop |
|
2394 | a8083063 | Iustin Pop | """
|
2395 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2396 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2397 | a8083063 | Iustin Pop | if instance is None: |
2398 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2399 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2400 | a8083063 | Iustin Pop | self.instance = instance
|
2401 | a8083063 | Iustin Pop | |
2402 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2403 | a8083063 | Iustin Pop | """Remove the instance.
|
2404 | a8083063 | Iustin Pop |
|
2405 | a8083063 | Iustin Pop | """
|
2406 | a8083063 | Iustin Pop | instance = self.instance
|
2407 | a8083063 | Iustin Pop | logger.Info("shutting down instance %s on node %s" %
|
2408 | a8083063 | Iustin Pop | (instance.name, instance.primary_node)) |
2409 | a8083063 | Iustin Pop | |
2410 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(instance.primary_node, instance): |
2411 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2412 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't shutdown instance")
|
2413 | 1d67656e | Iustin Pop | else:
|
2414 | 1d67656e | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2415 | 1d67656e | Iustin Pop | (instance.name, instance.primary_node)) |
2416 | a8083063 | Iustin Pop | |
2417 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2418 | a8083063 | Iustin Pop | |
2419 | 1d67656e | Iustin Pop | if not _RemoveDisks(instance, self.cfg): |
2420 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2421 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
2422 | 1d67656e | Iustin Pop | else:
|
2423 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
2424 | a8083063 | Iustin Pop | |
2425 | a8083063 | Iustin Pop | logger.Info("removing instance %s out of cluster config" % instance.name)
|
2426 | a8083063 | Iustin Pop | |
2427 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
2428 | a2fd9afc | Guido Trotter | # Remove the new instance from the Ganeti Lock Manager
|
2429 | a2fd9afc | Guido Trotter | self.context.glm.remove(locking.LEVEL_INSTANCE, instance.name)
|
2430 | a8083063 | Iustin Pop | |
2431 | a8083063 | Iustin Pop | |
2432 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
2433 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
2434 | a8083063 | Iustin Pop |
|
2435 | a8083063 | Iustin Pop | """
|
2436 | 069dcc86 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
2437 | a8083063 | Iustin Pop | |
2438 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2439 | a8083063 | Iustin Pop | """Check prerequisites.
|
2440 | a8083063 | Iustin Pop |
|
2441 | a8083063 | Iustin Pop | This checks that the fields required are valid output fields.
|
2442 | a8083063 | Iustin Pop |
|
2443 | a8083063 | Iustin Pop | """
|
2444 | d8052456 | Iustin Pop | self.dynamic_fields = frozenset(["oper_state", "oper_ram", "status"]) |
2445 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["name", "os", "pnode", "snodes", |
2446 | dcb93971 | Michael Hanselmann | "admin_state", "admin_ram", |
2447 | 644eeef9 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
2448 | 130a6a6f | Iustin Pop | "sda_size", "sdb_size", "vcpus", "tags"], |
2449 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
2450 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2451 | a8083063 | Iustin Pop | |
2452 | 069dcc86 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
2453 | 069dcc86 | Iustin Pop | |
2454 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2455 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2456 | a8083063 | Iustin Pop |
|
2457 | a8083063 | Iustin Pop | """
|
2458 | 069dcc86 | Iustin Pop | instance_names = self.wanted
|
2459 | a8083063 | Iustin Pop | instance_list = [self.cfg.GetInstanceInfo(iname) for iname |
2460 | a8083063 | Iustin Pop | in instance_names]
|
2461 | a8083063 | Iustin Pop | |
2462 | a8083063 | Iustin Pop | # begin data gathering
|
2463 | a8083063 | Iustin Pop | |
2464 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
2465 | a8083063 | Iustin Pop | |
2466 | a8083063 | Iustin Pop | bad_nodes = [] |
2467 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
2468 | a8083063 | Iustin Pop | live_data = {} |
2469 | a8083063 | Iustin Pop | node_data = rpc.call_all_instances_info(nodes) |
2470 | a8083063 | Iustin Pop | for name in nodes: |
2471 | a8083063 | Iustin Pop | result = node_data[name] |
2472 | a8083063 | Iustin Pop | if result:
|
2473 | a8083063 | Iustin Pop | live_data.update(result) |
2474 | a8083063 | Iustin Pop | elif result == False: |
2475 | a8083063 | Iustin Pop | bad_nodes.append(name) |
2476 | a8083063 | Iustin Pop | # else no instance is alive
|
2477 | a8083063 | Iustin Pop | else:
|
2478 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
2479 | a8083063 | Iustin Pop | |
2480 | a8083063 | Iustin Pop | # end data gathering
|
2481 | a8083063 | Iustin Pop | |
2482 | a8083063 | Iustin Pop | output = [] |
2483 | a8083063 | Iustin Pop | for instance in instance_list: |
2484 | a8083063 | Iustin Pop | iout = [] |
2485 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2486 | a8083063 | Iustin Pop | if field == "name": |
2487 | a8083063 | Iustin Pop | val = instance.name |
2488 | a8083063 | Iustin Pop | elif field == "os": |
2489 | a8083063 | Iustin Pop | val = instance.os |
2490 | a8083063 | Iustin Pop | elif field == "pnode": |
2491 | a8083063 | Iustin Pop | val = instance.primary_node |
2492 | a8083063 | Iustin Pop | elif field == "snodes": |
2493 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
2494 | a8083063 | Iustin Pop | elif field == "admin_state": |
2495 | 8a23d2d3 | Iustin Pop | val = (instance.status != "down")
|
2496 | a8083063 | Iustin Pop | elif field == "oper_state": |
2497 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2498 | 8a23d2d3 | Iustin Pop | val = None
|
2499 | a8083063 | Iustin Pop | else:
|
2500 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
2501 | d8052456 | Iustin Pop | elif field == "status": |
2502 | d8052456 | Iustin Pop | if instance.primary_node in bad_nodes: |
2503 | d8052456 | Iustin Pop | val = "ERROR_nodedown"
|
2504 | d8052456 | Iustin Pop | else:
|
2505 | d8052456 | Iustin Pop | running = bool(live_data.get(instance.name))
|
2506 | d8052456 | Iustin Pop | if running:
|
2507 | d8052456 | Iustin Pop | if instance.status != "down": |
2508 | d8052456 | Iustin Pop | val = "running"
|
2509 | d8052456 | Iustin Pop | else:
|
2510 | d8052456 | Iustin Pop | val = "ERROR_up"
|
2511 | d8052456 | Iustin Pop | else:
|
2512 | d8052456 | Iustin Pop | if instance.status != "down": |
2513 | d8052456 | Iustin Pop | val = "ERROR_down"
|
2514 | d8052456 | Iustin Pop | else:
|
2515 | d8052456 | Iustin Pop | val = "ADMIN_down"
|
2516 | a8083063 | Iustin Pop | elif field == "admin_ram": |
2517 | a8083063 | Iustin Pop | val = instance.memory |
2518 | a8083063 | Iustin Pop | elif field == "oper_ram": |
2519 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2520 | 8a23d2d3 | Iustin Pop | val = None
|
2521 | a8083063 | Iustin Pop | elif instance.name in live_data: |
2522 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
2523 | a8083063 | Iustin Pop | else:
|
2524 | a8083063 | Iustin Pop | val = "-"
|
2525 | a8083063 | Iustin Pop | elif field == "disk_template": |
2526 | a8083063 | Iustin Pop | val = instance.disk_template |
2527 | a8083063 | Iustin Pop | elif field == "ip": |
2528 | a8083063 | Iustin Pop | val = instance.nics[0].ip
|
2529 | a8083063 | Iustin Pop | elif field == "bridge": |
2530 | a8083063 | Iustin Pop | val = instance.nics[0].bridge
|
2531 | a8083063 | Iustin Pop | elif field == "mac": |
2532 | a8083063 | Iustin Pop | val = instance.nics[0].mac
|
2533 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
2534 | 644eeef9 | Iustin Pop | disk = instance.FindDisk(field[:3])
|
2535 | 644eeef9 | Iustin Pop | if disk is None: |
2536 | 8a23d2d3 | Iustin Pop | val = None
|
2537 | 644eeef9 | Iustin Pop | else:
|
2538 | 644eeef9 | Iustin Pop | val = disk.size |
2539 | d6d415e8 | Iustin Pop | elif field == "vcpus": |
2540 | d6d415e8 | Iustin Pop | val = instance.vcpus |
2541 | 130a6a6f | Iustin Pop | elif field == "tags": |
2542 | 130a6a6f | Iustin Pop | val = list(instance.GetTags())
|
2543 | a8083063 | Iustin Pop | else:
|
2544 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2545 | a8083063 | Iustin Pop | iout.append(val) |
2546 | a8083063 | Iustin Pop | output.append(iout) |
2547 | a8083063 | Iustin Pop | |
2548 | a8083063 | Iustin Pop | return output
|
2549 | a8083063 | Iustin Pop | |
2550 | a8083063 | Iustin Pop | |
2551 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
2552 | a8083063 | Iustin Pop | """Failover an instance.
|
2553 | a8083063 | Iustin Pop |
|
2554 | a8083063 | Iustin Pop | """
|
2555 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
2556 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2557 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
2558 | a8083063 | Iustin Pop | |
2559 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2560 | a8083063 | Iustin Pop | """Build hooks env.
|
2561 | a8083063 | Iustin Pop |
|
2562 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2563 | a8083063 | Iustin Pop |
|
2564 | a8083063 | Iustin Pop | """
|
2565 | a8083063 | Iustin Pop | env = { |
2566 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
2567 | a8083063 | Iustin Pop | } |
2568 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2569 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode()] + list(self.instance.secondary_nodes) |
2570 | a8083063 | Iustin Pop | return env, nl, nl
|
2571 | a8083063 | Iustin Pop | |
2572 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2573 | a8083063 | Iustin Pop | """Check prerequisites.
|
2574 | a8083063 | Iustin Pop |
|
2575 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2576 | a8083063 | Iustin Pop |
|
2577 | a8083063 | Iustin Pop | """
|
2578 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2579 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2580 | a8083063 | Iustin Pop | if instance is None: |
2581 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2582 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2583 | a8083063 | Iustin Pop | |
2584 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
2585 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
2586 | a1f445d3 | Iustin Pop | " network mirrored, cannot failover.")
|
2587 | 2a710df1 | Michael Hanselmann | |
2588 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
2589 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
2590 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
2591 | abdf0113 | Iustin Pop | "a mirrored disk template")
|
2592 | 2a710df1 | Michael Hanselmann | |
2593 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
2594 | d4f16fd9 | Iustin Pop | # check memory requirements on the secondary node
|
2595 | d4f16fd9 | Iustin Pop | _CheckNodeFreeMemory(self.cfg, target_node, "failing over instance %s" % |
2596 | d4f16fd9 | Iustin Pop | instance.name, instance.memory) |
2597 | 3a7c308e | Guido Trotter | |
2598 | a8083063 | Iustin Pop | # check bridge existance
|
2599 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
2600 | 50ff9a7a | Iustin Pop | if not rpc.call_bridges_exist(target_node, brlist): |
2601 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
2602 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
2603 | 50ff9a7a | Iustin Pop | (brlist, target_node)) |
2604 | a8083063 | Iustin Pop | |
2605 | a8083063 | Iustin Pop | self.instance = instance
|
2606 | a8083063 | Iustin Pop | |
2607 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2608 | a8083063 | Iustin Pop | """Failover an instance.
|
2609 | a8083063 | Iustin Pop |
|
2610 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
2611 | a8083063 | Iustin Pop | starting it on the secondary.
|
2612 | a8083063 | Iustin Pop |
|
2613 | a8083063 | Iustin Pop | """
|
2614 | a8083063 | Iustin Pop | instance = self.instance
|
2615 | a8083063 | Iustin Pop | |
2616 | a8083063 | Iustin Pop | source_node = instance.primary_node |
2617 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
2618 | a8083063 | Iustin Pop | |
2619 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
2620 | a8083063 | Iustin Pop | for dev in instance.disks: |
2621 | abdf0113 | Iustin Pop | # for drbd, these are drbd over lvm
|
2622 | a8083063 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, target_node, False): |
2623 | a0aaa0d0 | Guido Trotter | if instance.status == "up" and not self.op.ignore_consistency: |
2624 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
2625 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
2626 | a8083063 | Iustin Pop | |
2627 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
2628 | a8083063 | Iustin Pop | logger.Info("Shutting down instance %s on node %s" %
|
2629 | a8083063 | Iustin Pop | (instance.name, source_node)) |
2630 | a8083063 | Iustin Pop | |
2631 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(source_node, instance): |
2632 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
2633 | 24a40d57 | Iustin Pop | logger.Error("Could not shutdown instance %s on node %s. Proceeding"
|
2634 | 24a40d57 | Iustin Pop | " anyway. Please make sure node %s is down" %
|
2635 | 24a40d57 | Iustin Pop | (instance.name, source_node, source_node)) |
2636 | 24a40d57 | Iustin Pop | else:
|
2637 | 24a40d57 | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2638 | 24a40d57 | Iustin Pop | (instance.name, source_node)) |
2639 | a8083063 | Iustin Pop | |
2640 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
2641 | a8083063 | Iustin Pop | if not _ShutdownInstanceDisks(instance, self.cfg, ignore_primary=True): |
2642 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
2643 | a8083063 | Iustin Pop | |
2644 | a8083063 | Iustin Pop | instance.primary_node = target_node |
2645 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
2646 | b6102dab | Guido Trotter | self.cfg.Update(instance)
|
2647 | a8083063 | Iustin Pop | |
2648 | 12a0cfbe | Guido Trotter | # Only start the instance if it's marked as up
|
2649 | 12a0cfbe | Guido Trotter | if instance.status == "up": |
2650 | 12a0cfbe | Guido Trotter | feedback_fn("* activating the instance's disks on target node")
|
2651 | 12a0cfbe | Guido Trotter | logger.Info("Starting instance %s on node %s" %
|
2652 | 12a0cfbe | Guido Trotter | (instance.name, target_node)) |
2653 | 12a0cfbe | Guido Trotter | |
2654 | 12a0cfbe | Guido Trotter | disks_ok, dummy = _AssembleInstanceDisks(instance, self.cfg,
|
2655 | 12a0cfbe | Guido Trotter | ignore_secondaries=True)
|
2656 | 12a0cfbe | Guido Trotter | if not disks_ok: |
2657 | 12a0cfbe | Guido Trotter | _ShutdownInstanceDisks(instance, self.cfg)
|
2658 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Can't activate the instance's disks") |
2659 | a8083063 | Iustin Pop | |
2660 | 12a0cfbe | Guido Trotter | feedback_fn("* starting the instance on the target node")
|
2661 | 12a0cfbe | Guido Trotter | if not rpc.call_instance_start(target_node, instance, None): |
2662 | 12a0cfbe | Guido Trotter | _ShutdownInstanceDisks(instance, self.cfg)
|
2663 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Could not start instance %s on node %s." % |
2664 | 12a0cfbe | Guido Trotter | (instance.name, target_node)) |
2665 | a8083063 | Iustin Pop | |
2666 | a8083063 | Iustin Pop | |
2667 | 3f78eef2 | Iustin Pop | def _CreateBlockDevOnPrimary(cfg, node, instance, device, info): |
2668 | a8083063 | Iustin Pop | """Create a tree of block devices on the primary node.
|
2669 | a8083063 | Iustin Pop |
|
2670 | a8083063 | Iustin Pop | This always creates all devices.
|
2671 | a8083063 | Iustin Pop |
|
2672 | a8083063 | Iustin Pop | """
|
2673 | a8083063 | Iustin Pop | if device.children:
|
2674 | a8083063 | Iustin Pop | for child in device.children: |
2675 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, node, instance, child, info): |
2676 | a8083063 | Iustin Pop | return False |
2677 | a8083063 | Iustin Pop | |
2678 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2679 | 3f78eef2 | Iustin Pop | new_id = rpc.call_blockdev_create(node, device, device.size, |
2680 | 3f78eef2 | Iustin Pop | instance.name, True, info)
|
2681 | a8083063 | Iustin Pop | if not new_id: |
2682 | a8083063 | Iustin Pop | return False |
2683 | a8083063 | Iustin Pop | if device.physical_id is None: |
2684 | a8083063 | Iustin Pop | device.physical_id = new_id |
2685 | a8083063 | Iustin Pop | return True |
2686 | a8083063 | Iustin Pop | |
2687 | a8083063 | Iustin Pop | |
2688 | 3f78eef2 | Iustin Pop | def _CreateBlockDevOnSecondary(cfg, node, instance, device, force, info): |
2689 | a8083063 | Iustin Pop | """Create a tree of block devices on a secondary node.
|
2690 | a8083063 | Iustin Pop |
|
2691 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
2692 | a8083063 | Iustin Pop | all its children.
|
2693 | a8083063 | Iustin Pop |
|
2694 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
2695 | a8083063 | Iustin Pop |
|
2696 | a8083063 | Iustin Pop | """
|
2697 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
2698 | a8083063 | Iustin Pop | force = True
|
2699 | a8083063 | Iustin Pop | if device.children:
|
2700 | a8083063 | Iustin Pop | for child in device.children: |
2701 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, node, instance, |
2702 | 3f78eef2 | Iustin Pop | child, force, info): |
2703 | a8083063 | Iustin Pop | return False |
2704 | a8083063 | Iustin Pop | |
2705 | a8083063 | Iustin Pop | if not force: |
2706 | a8083063 | Iustin Pop | return True |
2707 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2708 | 3f78eef2 | Iustin Pop | new_id = rpc.call_blockdev_create(node, device, device.size, |
2709 | 3f78eef2 | Iustin Pop | instance.name, False, info)
|
2710 | a8083063 | Iustin Pop | if not new_id: |
2711 | a8083063 | Iustin Pop | return False |
2712 | a8083063 | Iustin Pop | if device.physical_id is None: |
2713 | a8083063 | Iustin Pop | device.physical_id = new_id |
2714 | a8083063 | Iustin Pop | return True |
2715 | a8083063 | Iustin Pop | |
2716 | a8083063 | Iustin Pop | |
2717 | 923b1523 | Iustin Pop | def _GenerateUniqueNames(cfg, exts): |
2718 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
2719 | 923b1523 | Iustin Pop |
|
2720 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
2721 | 923b1523 | Iustin Pop |
|
2722 | 923b1523 | Iustin Pop | """
|
2723 | 923b1523 | Iustin Pop | results = [] |
2724 | 923b1523 | Iustin Pop | for val in exts: |
2725 | 923b1523 | Iustin Pop | new_id = cfg.GenerateUniqueID() |
2726 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
2727 | 923b1523 | Iustin Pop | return results
|
2728 | 923b1523 | Iustin Pop | |
2729 | 923b1523 | Iustin Pop | |
2730 | a1f445d3 | Iustin Pop | def _GenerateDRBD8Branch(cfg, primary, secondary, size, names, iv_name): |
2731 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
2732 | a1f445d3 | Iustin Pop |
|
2733 | a1f445d3 | Iustin Pop | """
|
2734 | a1f445d3 | Iustin Pop | port = cfg.AllocatePort() |
2735 | a1f445d3 | Iustin Pop | vgname = cfg.GetVGName() |
2736 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
2737 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
2738 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
2739 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
2740 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
2741 | a1f445d3 | Iustin Pop | logical_id = (primary, secondary, port), |
2742 | a1f445d3 | Iustin Pop | children = [dev_data, dev_meta], |
2743 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
2744 | a1f445d3 | Iustin Pop | return drbd_dev
|
2745 | a1f445d3 | Iustin Pop | |
2746 | 7c0d6283 | Michael Hanselmann | |
2747 | 923b1523 | Iustin Pop | def _GenerateDiskTemplate(cfg, template_name, |
2748 | a8083063 | Iustin Pop | instance_name, primary_node, |
2749 | 0f1a06e3 | Manuel Franceschini | secondary_nodes, disk_sz, swap_sz, |
2750 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, file_driver): |
2751 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
2752 | a8083063 | Iustin Pop |
|
2753 | a8083063 | Iustin Pop | """
|
2754 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
2755 | a8083063 | Iustin Pop | |
2756 | 923b1523 | Iustin Pop | vgname = cfg.GetVGName() |
2757 | 3517d9b9 | Manuel Franceschini | if template_name == constants.DT_DISKLESS:
|
2758 | a8083063 | Iustin Pop | disks = [] |
2759 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_PLAIN:
|
2760 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2761 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2762 | 923b1523 | Iustin Pop | |
2763 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda", ".sdb"]) |
2764 | fe96220b | Iustin Pop | sda_dev = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2765 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]),
|
2766 | a8083063 | Iustin Pop | iv_name = "sda")
|
2767 | fe96220b | Iustin Pop | sdb_dev = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2768 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]),
|
2769 | a8083063 | Iustin Pop | iv_name = "sdb")
|
2770 | a8083063 | Iustin Pop | disks = [sda_dev, sdb_dev] |
2771 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
2772 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
2773 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2774 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
2775 | a1f445d3 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_data", ".sda_meta", |
2776 | a1f445d3 | Iustin Pop | ".sdb_data", ".sdb_meta"]) |
2777 | a1f445d3 | Iustin Pop | drbd_sda_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node, |
2778 | a1f445d3 | Iustin Pop | disk_sz, names[0:2], "sda") |
2779 | a1f445d3 | Iustin Pop | drbd_sdb_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node, |
2780 | a1f445d3 | Iustin Pop | swap_sz, names[2:4], "sdb") |
2781 | a1f445d3 | Iustin Pop | disks = [drbd_sda_dev, drbd_sdb_dev] |
2782 | 0f1a06e3 | Manuel Franceschini | elif template_name == constants.DT_FILE:
|
2783 | 0f1a06e3 | Manuel Franceschini | if len(secondary_nodes) != 0: |
2784 | 0f1a06e3 | Manuel Franceschini | raise errors.ProgrammerError("Wrong template configuration") |
2785 | 0f1a06e3 | Manuel Franceschini | |
2786 | 0f1a06e3 | Manuel Franceschini | file_sda_dev = objects.Disk(dev_type=constants.LD_FILE, size=disk_sz, |
2787 | 0f1a06e3 | Manuel Franceschini | iv_name="sda", logical_id=(file_driver,
|
2788 | 0f1a06e3 | Manuel Franceschini | "%s/sda" % file_storage_dir))
|
2789 | 0f1a06e3 | Manuel Franceschini | file_sdb_dev = objects.Disk(dev_type=constants.LD_FILE, size=swap_sz, |
2790 | 0f1a06e3 | Manuel Franceschini | iv_name="sdb", logical_id=(file_driver,
|
2791 | 0f1a06e3 | Manuel Franceschini | "%s/sdb" % file_storage_dir))
|
2792 | 0f1a06e3 | Manuel Franceschini | disks = [file_sda_dev, file_sdb_dev] |
2793 | a8083063 | Iustin Pop | else:
|
2794 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
2795 | a8083063 | Iustin Pop | return disks
|
2796 | a8083063 | Iustin Pop | |
2797 | a8083063 | Iustin Pop | |
2798 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
2799 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
2800 | 3ecf6786 | Iustin Pop |
|
2801 | 3ecf6786 | Iustin Pop | """
|
2802 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
2803 | a0c3fea1 | Michael Hanselmann | |
2804 | a0c3fea1 | Michael Hanselmann | |
2805 | a8083063 | Iustin Pop | def _CreateDisks(cfg, instance): |
2806 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
2807 | a8083063 | Iustin Pop |
|
2808 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
2809 | a8083063 | Iustin Pop |
|
2810 | a8083063 | Iustin Pop | Args:
|
2811 | a8083063 | Iustin Pop | instance: the instance object
|
2812 | a8083063 | Iustin Pop |
|
2813 | a8083063 | Iustin Pop | Returns:
|
2814 | a8083063 | Iustin Pop | True or False showing the success of the creation process
|
2815 | a8083063 | Iustin Pop |
|
2816 | a8083063 | Iustin Pop | """
|
2817 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
2818 | a0c3fea1 | Michael Hanselmann | |
2819 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
2820 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
2821 | 0f1a06e3 | Manuel Franceschini | result = rpc.call_file_storage_dir_create(instance.primary_node, |
2822 | 0f1a06e3 | Manuel Franceschini | file_storage_dir) |
2823 | 0f1a06e3 | Manuel Franceschini | |
2824 | 0f1a06e3 | Manuel Franceschini | if not result: |
2825 | b62ddbe5 | Guido Trotter | logger.Error("Could not connect to node '%s'" % instance.primary_node)
|
2826 | 0f1a06e3 | Manuel Franceschini | return False |
2827 | 0f1a06e3 | Manuel Franceschini | |
2828 | 0f1a06e3 | Manuel Franceschini | if not result[0]: |
2829 | 0f1a06e3 | Manuel Franceschini | logger.Error("failed to create directory '%s'" % file_storage_dir)
|
2830 | 0f1a06e3 | Manuel Franceschini | return False |
2831 | 0f1a06e3 | Manuel Franceschini | |
2832 | a8083063 | Iustin Pop | for device in instance.disks: |
2833 | a8083063 | Iustin Pop | logger.Info("creating volume %s for instance %s" %
|
2834 | 1c6e3627 | Manuel Franceschini | (device.iv_name, instance.name)) |
2835 | a8083063 | Iustin Pop | #HARDCODE
|
2836 | a8083063 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
2837 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, secondary_node, instance, |
2838 | 3f78eef2 | Iustin Pop | device, False, info):
|
2839 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s (%s) on secondary node %s!" %
|
2840 | a8083063 | Iustin Pop | (device.iv_name, device, secondary_node)) |
2841 | a8083063 | Iustin Pop | return False |
2842 | a8083063 | Iustin Pop | #HARDCODE
|
2843 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, instance.primary_node, |
2844 | 3f78eef2 | Iustin Pop | instance, device, info): |
2845 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s on primary!" %
|
2846 | a8083063 | Iustin Pop | device.iv_name) |
2847 | a8083063 | Iustin Pop | return False |
2848 | 1c6e3627 | Manuel Franceschini | |
2849 | a8083063 | Iustin Pop | return True |
2850 | a8083063 | Iustin Pop | |
2851 | a8083063 | Iustin Pop | |
2852 | a8083063 | Iustin Pop | def _RemoveDisks(instance, cfg): |
2853 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
2854 | a8083063 | Iustin Pop |
|
2855 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
2856 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
2857 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
2858 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
2859 | a8083063 | Iustin Pop |
|
2860 | a8083063 | Iustin Pop | Args:
|
2861 | a8083063 | Iustin Pop | instance: the instance object
|
2862 | a8083063 | Iustin Pop |
|
2863 | a8083063 | Iustin Pop | Returns:
|
2864 | a8083063 | Iustin Pop | True or False showing the success of the removal proces
|
2865 | a8083063 | Iustin Pop |
|
2866 | a8083063 | Iustin Pop | """
|
2867 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2868 | a8083063 | Iustin Pop | |
2869 | a8083063 | Iustin Pop | result = True
|
2870 | a8083063 | Iustin Pop | for device in instance.disks: |
2871 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
2872 | a8083063 | Iustin Pop | cfg.SetDiskID(disk, node) |
2873 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, disk): |
2874 | a8083063 | Iustin Pop | logger.Error("could not remove block device %s on node %s,"
|
2875 | a8083063 | Iustin Pop | " continuing anyway" %
|
2876 | a8083063 | Iustin Pop | (device.iv_name, node)) |
2877 | a8083063 | Iustin Pop | result = False
|
2878 | 0f1a06e3 | Manuel Franceschini | |
2879 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
2880 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
2881 | 0f1a06e3 | Manuel Franceschini | if not rpc.call_file_storage_dir_remove(instance.primary_node, |
2882 | 0f1a06e3 | Manuel Franceschini | file_storage_dir): |
2883 | 0f1a06e3 | Manuel Franceschini | logger.Error("could not remove directory '%s'" % file_storage_dir)
|
2884 | 0f1a06e3 | Manuel Franceschini | result = False
|
2885 | 0f1a06e3 | Manuel Franceschini | |
2886 | a8083063 | Iustin Pop | return result
|
2887 | a8083063 | Iustin Pop | |
2888 | a8083063 | Iustin Pop | |
2889 | e2fe6369 | Iustin Pop | def _ComputeDiskSize(disk_template, disk_size, swap_size): |
2890 | e2fe6369 | Iustin Pop | """Compute disk size requirements in the volume group
|
2891 | e2fe6369 | Iustin Pop |
|
2892 | e2fe6369 | Iustin Pop | This is currently hard-coded for the two-drive layout.
|
2893 | e2fe6369 | Iustin Pop |
|
2894 | e2fe6369 | Iustin Pop | """
|
2895 | e2fe6369 | Iustin Pop | # Required free disk space as a function of disk and swap space
|
2896 | e2fe6369 | Iustin Pop | req_size_dict = { |
2897 | e2fe6369 | Iustin Pop | constants.DT_DISKLESS: None,
|
2898 | e2fe6369 | Iustin Pop | constants.DT_PLAIN: disk_size + swap_size, |
2899 | e2fe6369 | Iustin Pop | # 256 MB are added for drbd metadata, 128MB for each drbd device
|
2900 | e2fe6369 | Iustin Pop | constants.DT_DRBD8: disk_size + swap_size + 256,
|
2901 | e2fe6369 | Iustin Pop | constants.DT_FILE: None,
|
2902 | e2fe6369 | Iustin Pop | } |
2903 | e2fe6369 | Iustin Pop | |
2904 | e2fe6369 | Iustin Pop | if disk_template not in req_size_dict: |
2905 | e2fe6369 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
2906 | e2fe6369 | Iustin Pop | " is unknown" % disk_template)
|
2907 | e2fe6369 | Iustin Pop | |
2908 | e2fe6369 | Iustin Pop | return req_size_dict[disk_template]
|
2909 | e2fe6369 | Iustin Pop | |
2910 | e2fe6369 | Iustin Pop | |
2911 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
2912 | a8083063 | Iustin Pop | """Create an instance.
|
2913 | a8083063 | Iustin Pop |
|
2914 | a8083063 | Iustin Pop | """
|
2915 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
2916 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2917 | 538475ca | Iustin Pop | _OP_REQP = ["instance_name", "mem_size", "disk_size", |
2918 | a8083063 | Iustin Pop | "disk_template", "swap_size", "mode", "start", "vcpus", |
2919 | 1862d460 | Alexander Schreiber | "wait_for_sync", "ip_check", "mac"] |
2920 | a8083063 | Iustin Pop | |
2921 | 538475ca | Iustin Pop | def _RunAllocator(self): |
2922 | 538475ca | Iustin Pop | """Run the allocator based on input opcode.
|
2923 | 538475ca | Iustin Pop |
|
2924 | 538475ca | Iustin Pop | """
|
2925 | 538475ca | Iustin Pop | disks = [{"size": self.op.disk_size, "mode": "w"}, |
2926 | 538475ca | Iustin Pop | {"size": self.op.swap_size, "mode": "w"}] |
2927 | 538475ca | Iustin Pop | nics = [{"mac": self.op.mac, "ip": getattr(self.op, "ip", None), |
2928 | 538475ca | Iustin Pop | "bridge": self.op.bridge}] |
2929 | d1c2dd75 | Iustin Pop | ial = IAllocator(self.cfg, self.sstore, |
2930 | 29859cb7 | Iustin Pop | mode=constants.IALLOCATOR_MODE_ALLOC, |
2931 | d1c2dd75 | Iustin Pop | name=self.op.instance_name,
|
2932 | d1c2dd75 | Iustin Pop | disk_template=self.op.disk_template,
|
2933 | d1c2dd75 | Iustin Pop | tags=[], |
2934 | d1c2dd75 | Iustin Pop | os=self.op.os_type,
|
2935 | d1c2dd75 | Iustin Pop | vcpus=self.op.vcpus,
|
2936 | d1c2dd75 | Iustin Pop | mem_size=self.op.mem_size,
|
2937 | d1c2dd75 | Iustin Pop | disks=disks, |
2938 | d1c2dd75 | Iustin Pop | nics=nics, |
2939 | 29859cb7 | Iustin Pop | ) |
2940 | d1c2dd75 | Iustin Pop | |
2941 | d1c2dd75 | Iustin Pop | ial.Run(self.op.iallocator)
|
2942 | d1c2dd75 | Iustin Pop | |
2943 | d1c2dd75 | Iustin Pop | if not ial.success: |
2944 | 538475ca | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
2945 | 538475ca | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
2946 | d1c2dd75 | Iustin Pop | ial.info)) |
2947 | 27579978 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
2948 | 538475ca | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
2949 | 538475ca | Iustin Pop | " of nodes (%s), required %s" %
|
2950 | 27579978 | Iustin Pop | (len(ial.nodes), ial.required_nodes))
|
2951 | d1c2dd75 | Iustin Pop | self.op.pnode = ial.nodes[0] |
2952 | 538475ca | Iustin Pop | logger.ToStdout("Selected nodes for the instance: %s" %
|
2953 | d1c2dd75 | Iustin Pop | (", ".join(ial.nodes),))
|
2954 | 538475ca | Iustin Pop | logger.Info("Selected nodes for instance %s via iallocator %s: %s" %
|
2955 | d1c2dd75 | Iustin Pop | (self.op.instance_name, self.op.iallocator, ial.nodes)) |
2956 | 27579978 | Iustin Pop | if ial.required_nodes == 2: |
2957 | d1c2dd75 | Iustin Pop | self.op.snode = ial.nodes[1] |
2958 | 538475ca | Iustin Pop | |
2959 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2960 | a8083063 | Iustin Pop | """Build hooks env.
|
2961 | a8083063 | Iustin Pop |
|
2962 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2963 | a8083063 | Iustin Pop |
|
2964 | a8083063 | Iustin Pop | """
|
2965 | a8083063 | Iustin Pop | env = { |
2966 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_TEMPLATE": self.op.disk_template, |
2967 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_SIZE": self.op.disk_size, |
2968 | 396e1b78 | Michael Hanselmann | "INSTANCE_SWAP_SIZE": self.op.swap_size, |
2969 | a8083063 | Iustin Pop | "INSTANCE_ADD_MODE": self.op.mode, |
2970 | a8083063 | Iustin Pop | } |
2971 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
2972 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_NODE"] = self.op.src_node |
2973 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_PATH"] = self.op.src_path |
2974 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_IMAGE"] = self.src_image |
2975 | 396e1b78 | Michael Hanselmann | |
2976 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
|
2977 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
2978 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
2979 | 396e1b78 | Michael Hanselmann | status=self.instance_status,
|
2980 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
2981 | 396e1b78 | Michael Hanselmann | memory=self.op.mem_size,
|
2982 | 396e1b78 | Michael Hanselmann | vcpus=self.op.vcpus,
|
2983 | c7b27e9e | Iustin Pop | nics=[(self.inst_ip, self.op.bridge, self.op.mac)], |
2984 | 396e1b78 | Michael Hanselmann | )) |
2985 | a8083063 | Iustin Pop | |
2986 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.op.pnode] + |
2987 | a8083063 | Iustin Pop | self.secondaries)
|
2988 | a8083063 | Iustin Pop | return env, nl, nl
|
2989 | a8083063 | Iustin Pop | |
2990 | a8083063 | Iustin Pop | |
2991 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2992 | a8083063 | Iustin Pop | """Check prerequisites.
|
2993 | a8083063 | Iustin Pop |
|
2994 | a8083063 | Iustin Pop | """
|
2995 | 538475ca | Iustin Pop | # set optional parameters to none if they don't exist
|
2996 | 538475ca | Iustin Pop | for attr in ["kernel_path", "initrd_path", "hvm_boot_order", "pnode", |
2997 | 31a853d2 | Iustin Pop | "iallocator", "hvm_acpi", "hvm_pae", "hvm_cdrom_image_path", |
2998 | 31a853d2 | Iustin Pop | "vnc_bind_address"]:
|
2999 | 40ed12dd | Guido Trotter | if not hasattr(self.op, attr): |
3000 | 40ed12dd | Guido Trotter | setattr(self.op, attr, None) |
3001 | 40ed12dd | Guido Trotter | |
3002 | a8083063 | Iustin Pop | if self.op.mode not in (constants.INSTANCE_CREATE, |
3003 | a8083063 | Iustin Pop | constants.INSTANCE_IMPORT): |
3004 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
3005 | 3ecf6786 | Iustin Pop | self.op.mode)
|
3006 | a8083063 | Iustin Pop | |
3007 | eedc99de | Manuel Franceschini | if (not self.cfg.GetVGName() and |
3008 | eedc99de | Manuel Franceschini | self.op.disk_template not in constants.DTS_NOT_LVM): |
3009 | eedc99de | Manuel Franceschini | raise errors.OpPrereqError("Cluster does not support lvm-based" |
3010 | eedc99de | Manuel Franceschini | " instances")
|
3011 | eedc99de | Manuel Franceschini | |
3012 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
3013 | a8083063 | Iustin Pop | src_node = getattr(self.op, "src_node", None) |
3014 | a8083063 | Iustin Pop | src_path = getattr(self.op, "src_path", None) |
3015 | a8083063 | Iustin Pop | if src_node is None or src_path is None: |
3016 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Importing an instance requires source" |
3017 | 3ecf6786 | Iustin Pop | " node and path options")
|
3018 | a8083063 | Iustin Pop | src_node_full = self.cfg.ExpandNodeName(src_node)
|
3019 | a8083063 | Iustin Pop | if src_node_full is None: |
3020 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown source node '%s'" % src_node) |
3021 | a8083063 | Iustin Pop | self.op.src_node = src_node = src_node_full
|
3022 | a8083063 | Iustin Pop | |
3023 | a8083063 | Iustin Pop | if not os.path.isabs(src_path): |
3024 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The source path must be absolute") |
3025 | a8083063 | Iustin Pop | |
3026 | a8083063 | Iustin Pop | export_info = rpc.call_export_info(src_node, src_path) |
3027 | a8083063 | Iustin Pop | |
3028 | a8083063 | Iustin Pop | if not export_info: |
3029 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No export found in dir %s" % src_path) |
3030 | a8083063 | Iustin Pop | |
3031 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
3032 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
3033 | a8083063 | Iustin Pop | |
3034 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
3035 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
3036 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
3037 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
3038 | a8083063 | Iustin Pop | |
3039 | a8083063 | Iustin Pop | if int(export_info.get(constants.INISECT_INS, 'disk_count')) > 1: |
3040 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't import instance with more than" |
3041 | 3ecf6786 | Iustin Pop | " one data disk")
|
3042 | a8083063 | Iustin Pop | |
3043 | a8083063 | Iustin Pop | # FIXME: are the old os-es, disk sizes, etc. useful?
|
3044 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
3045 | a8083063 | Iustin Pop | diskimage = os.path.join(src_path, export_info.get(constants.INISECT_INS, |
3046 | a8083063 | Iustin Pop | 'disk0_dump'))
|
3047 | a8083063 | Iustin Pop | self.src_image = diskimage
|
3048 | a8083063 | Iustin Pop | else: # INSTANCE_CREATE |
3049 | a8083063 | Iustin Pop | if getattr(self.op, "os_type", None) is None: |
3050 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No guest OS specified") |
3051 | a8083063 | Iustin Pop | |
3052 | 901a65c1 | Iustin Pop | #### instance parameters check
|
3053 | 901a65c1 | Iustin Pop | |
3054 | a8083063 | Iustin Pop | # disk template and mirror node verification
|
3055 | a8083063 | Iustin Pop | if self.op.disk_template not in constants.DISK_TEMPLATES: |
3056 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid disk template name") |
3057 | a8083063 | Iustin Pop | |
3058 | 901a65c1 | Iustin Pop | # instance name verification
|
3059 | 901a65c1 | Iustin Pop | hostname1 = utils.HostInfo(self.op.instance_name)
|
3060 | 901a65c1 | Iustin Pop | |
3061 | 901a65c1 | Iustin Pop | self.op.instance_name = instance_name = hostname1.name
|
3062 | 901a65c1 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
3063 | 901a65c1 | Iustin Pop | if instance_name in instance_list: |
3064 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
3065 | 901a65c1 | Iustin Pop | instance_name) |
3066 | 901a65c1 | Iustin Pop | |
3067 | 901a65c1 | Iustin Pop | # ip validity checks
|
3068 | 901a65c1 | Iustin Pop | ip = getattr(self.op, "ip", None) |
3069 | 901a65c1 | Iustin Pop | if ip is None or ip.lower() == "none": |
3070 | 901a65c1 | Iustin Pop | inst_ip = None
|
3071 | 901a65c1 | Iustin Pop | elif ip.lower() == "auto": |
3072 | 901a65c1 | Iustin Pop | inst_ip = hostname1.ip |
3073 | 901a65c1 | Iustin Pop | else:
|
3074 | 901a65c1 | Iustin Pop | if not utils.IsValidIP(ip): |
3075 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("given IP address '%s' doesn't look" |
3076 | 901a65c1 | Iustin Pop | " like a valid IP" % ip)
|
3077 | 901a65c1 | Iustin Pop | inst_ip = ip |
3078 | 901a65c1 | Iustin Pop | self.inst_ip = self.op.ip = inst_ip |
3079 | 901a65c1 | Iustin Pop | |
3080 | 901a65c1 | Iustin Pop | if self.op.start and not self.op.ip_check: |
3081 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
3082 | 901a65c1 | Iustin Pop | " adding an instance in start mode")
|
3083 | 901a65c1 | Iustin Pop | |
3084 | 901a65c1 | Iustin Pop | if self.op.ip_check: |
3085 | 901a65c1 | Iustin Pop | if utils.TcpPing(hostname1.ip, constants.DEFAULT_NODED_PORT):
|
3086 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
3087 | 901a65c1 | Iustin Pop | (hostname1.ip, instance_name)) |
3088 | 901a65c1 | Iustin Pop | |
3089 | 901a65c1 | Iustin Pop | # MAC address verification
|
3090 | 901a65c1 | Iustin Pop | if self.op.mac != "auto": |
3091 | 901a65c1 | Iustin Pop | if not utils.IsValidMac(self.op.mac.lower()): |
3092 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("invalid MAC address specified: %s" % |
3093 | 901a65c1 | Iustin Pop | self.op.mac)
|
3094 | 901a65c1 | Iustin Pop | |
3095 | 901a65c1 | Iustin Pop | # bridge verification
|
3096 | 901a65c1 | Iustin Pop | bridge = getattr(self.op, "bridge", None) |
3097 | 901a65c1 | Iustin Pop | if bridge is None: |
3098 | 901a65c1 | Iustin Pop | self.op.bridge = self.cfg.GetDefBridge() |
3099 | 901a65c1 | Iustin Pop | else:
|
3100 | 901a65c1 | Iustin Pop | self.op.bridge = bridge
|
3101 | 901a65c1 | Iustin Pop | |
3102 | 901a65c1 | Iustin Pop | # boot order verification
|
3103 | 901a65c1 | Iustin Pop | if self.op.hvm_boot_order is not None: |
3104 | 901a65c1 | Iustin Pop | if len(self.op.hvm_boot_order.strip("acdn")) != 0: |
3105 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("invalid boot order specified," |
3106 | 901a65c1 | Iustin Pop | " must be one or more of [acdn]")
|
3107 | 901a65c1 | Iustin Pop | # file storage checks
|
3108 | 0f1a06e3 | Manuel Franceschini | if (self.op.file_driver and |
3109 | 0f1a06e3 | Manuel Franceschini | not self.op.file_driver in constants.FILE_DRIVER): |
3110 | 0f1a06e3 | Manuel Franceschini | raise errors.OpPrereqError("Invalid file driver name '%s'" % |
3111 | 0f1a06e3 | Manuel Franceschini | self.op.file_driver)
|
3112 | 0f1a06e3 | Manuel Franceschini | |
3113 | 0f1a06e3 | Manuel Franceschini | if self.op.file_storage_dir and os.path.isabs(self.op.file_storage_dir): |
3114 | b4de68a9 | Iustin Pop | raise errors.OpPrereqError("File storage directory not a relative" |
3115 | b4de68a9 | Iustin Pop | " path")
|
3116 | 538475ca | Iustin Pop | #### allocator run
|
3117 | 538475ca | Iustin Pop | |
3118 | 538475ca | Iustin Pop | if [self.op.iallocator, self.op.pnode].count(None) != 1: |
3119 | 538475ca | Iustin Pop | raise errors.OpPrereqError("One and only one of iallocator and primary" |
3120 | 538475ca | Iustin Pop | " node must be given")
|
3121 | 538475ca | Iustin Pop | |
3122 | 538475ca | Iustin Pop | if self.op.iallocator is not None: |
3123 | 538475ca | Iustin Pop | self._RunAllocator()
|
3124 | 0f1a06e3 | Manuel Franceschini | |
3125 | 901a65c1 | Iustin Pop | #### node related checks
|
3126 | 901a65c1 | Iustin Pop | |
3127 | 901a65c1 | Iustin Pop | # check primary node
|
3128 | 901a65c1 | Iustin Pop | pnode = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.pnode)) |
3129 | 901a65c1 | Iustin Pop | if pnode is None: |
3130 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
3131 | 901a65c1 | Iustin Pop | self.op.pnode)
|
3132 | 901a65c1 | Iustin Pop | self.op.pnode = pnode.name
|
3133 | 901a65c1 | Iustin Pop | self.pnode = pnode
|
3134 | 901a65c1 | Iustin Pop | self.secondaries = []
|
3135 | 901a65c1 | Iustin Pop | |
3136 | 901a65c1 | Iustin Pop | # mirror node verification
|
3137 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
3138 | a8083063 | Iustin Pop | if getattr(self.op, "snode", None) is None: |
3139 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
3140 | 3ecf6786 | Iustin Pop | " a mirror node")
|
3141 | a8083063 | Iustin Pop | |
3142 | a8083063 | Iustin Pop | snode_name = self.cfg.ExpandNodeName(self.op.snode) |
3143 | a8083063 | Iustin Pop | if snode_name is None: |
3144 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown secondary node '%s'" % |
3145 | 3ecf6786 | Iustin Pop | self.op.snode)
|
3146 | a8083063 | Iustin Pop | elif snode_name == pnode.name:
|
3147 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
3148 | 3ecf6786 | Iustin Pop | " the primary node.")
|
3149 | a8083063 | Iustin Pop | self.secondaries.append(snode_name)
|
3150 | a8083063 | Iustin Pop | |
3151 | e2fe6369 | Iustin Pop | req_size = _ComputeDiskSize(self.op.disk_template,
|
3152 | e2fe6369 | Iustin Pop | self.op.disk_size, self.op.swap_size) |
3153 | ed1ebc60 | Guido Trotter | |
3154 | 8d75db10 | Iustin Pop | # Check lv size requirements
|
3155 | 8d75db10 | Iustin Pop | if req_size is not None: |
3156 | 8d75db10 | Iustin Pop | nodenames = [pnode.name] + self.secondaries
|
3157 | 8d75db10 | Iustin Pop | nodeinfo = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
3158 | 8d75db10 | Iustin Pop | for node in nodenames: |
3159 | 8d75db10 | Iustin Pop | info = nodeinfo.get(node, None)
|
3160 | 8d75db10 | Iustin Pop | if not info: |
3161 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
3162 | 3e91897b | Iustin Pop | " from node '%s'" % node)
|
3163 | 8d75db10 | Iustin Pop | vg_free = info.get('vg_free', None) |
3164 | 8d75db10 | Iustin Pop | if not isinstance(vg_free, int): |
3165 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
3166 | 8d75db10 | Iustin Pop | " node %s" % node)
|
3167 | 8d75db10 | Iustin Pop | if req_size > info['vg_free']: |
3168 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
3169 | 8d75db10 | Iustin Pop | " %d MB available, %d MB required" %
|
3170 | 8d75db10 | Iustin Pop | (node, info['vg_free'], req_size))
|
3171 | ed1ebc60 | Guido Trotter | |
3172 | a8083063 | Iustin Pop | # os verification
|
3173 | 00fe9e38 | Guido Trotter | os_obj = rpc.call_os_get(pnode.name, self.op.os_type)
|
3174 | dfa96ded | Guido Trotter | if not os_obj: |
3175 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported os list for" |
3176 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
3177 | a8083063 | Iustin Pop | |
3178 | 3b6d8c9b | Iustin Pop | if self.op.kernel_path == constants.VALUE_NONE: |
3179 | 3b6d8c9b | Iustin Pop | raise errors.OpPrereqError("Can't set instance kernel to none") |
3180 | 3b6d8c9b | Iustin Pop | |
3181 | a8083063 | Iustin Pop | |
3182 | 901a65c1 | Iustin Pop | # bridge check on primary node
|
3183 | a8083063 | Iustin Pop | if not rpc.call_bridges_exist(self.pnode.name, [self.op.bridge]): |
3184 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("target bridge '%s' does not exist on" |
3185 | 3ecf6786 | Iustin Pop | " destination node '%s'" %
|
3186 | 3ecf6786 | Iustin Pop | (self.op.bridge, pnode.name))
|
3187 | a8083063 | Iustin Pop | |
3188 | 49ce1563 | Iustin Pop | # memory check on primary node
|
3189 | 49ce1563 | Iustin Pop | if self.op.start: |
3190 | 49ce1563 | Iustin Pop | _CheckNodeFreeMemory(self.cfg, self.pnode.name, |
3191 | 49ce1563 | Iustin Pop | "creating instance %s" % self.op.instance_name, |
3192 | 49ce1563 | Iustin Pop | self.op.mem_size)
|
3193 | 49ce1563 | Iustin Pop | |
3194 | 31a853d2 | Iustin Pop | # hvm_cdrom_image_path verification
|
3195 | 31a853d2 | Iustin Pop | if self.op.hvm_cdrom_image_path is not None: |
3196 | 31a853d2 | Iustin Pop | if not os.path.isabs(self.op.hvm_cdrom_image_path): |
3197 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The path to the HVM CDROM image must" |
3198 | 31a853d2 | Iustin Pop | " be an absolute path or None, not %s" %
|
3199 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
3200 | 31a853d2 | Iustin Pop | if not os.path.isfile(self.op.hvm_cdrom_image_path): |
3201 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The HVM CDROM image must either be a" |
3202 | 31a853d2 | Iustin Pop | " regular file or a symlink pointing to"
|
3203 | 31a853d2 | Iustin Pop | " an existing regular file, not %s" %
|
3204 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
3205 | 31a853d2 | Iustin Pop | |
3206 | 31a853d2 | Iustin Pop | # vnc_bind_address verification
|
3207 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is not None: |
3208 | 31a853d2 | Iustin Pop | if not utils.IsValidIP(self.op.vnc_bind_address): |
3209 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("given VNC bind address '%s' doesn't look" |
3210 | 31a853d2 | Iustin Pop | " like a valid IP address" %
|
3211 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address)
|
3212 | 31a853d2 | Iustin Pop | |
3213 | a8083063 | Iustin Pop | if self.op.start: |
3214 | a8083063 | Iustin Pop | self.instance_status = 'up' |
3215 | a8083063 | Iustin Pop | else:
|
3216 | a8083063 | Iustin Pop | self.instance_status = 'down' |
3217 | a8083063 | Iustin Pop | |
3218 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3219 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
3220 | a8083063 | Iustin Pop |
|
3221 | a8083063 | Iustin Pop | """
|
3222 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
3223 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
3224 | a8083063 | Iustin Pop | |
3225 | 1862d460 | Alexander Schreiber | if self.op.mac == "auto": |
3226 | ba4b62cf | Iustin Pop | mac_address = self.cfg.GenerateMAC()
|
3227 | 1862d460 | Alexander Schreiber | else:
|
3228 | ba4b62cf | Iustin Pop | mac_address = self.op.mac
|
3229 | 1862d460 | Alexander Schreiber | |
3230 | 1862d460 | Alexander Schreiber | nic = objects.NIC(bridge=self.op.bridge, mac=mac_address)
|
3231 | a8083063 | Iustin Pop | if self.inst_ip is not None: |
3232 | a8083063 | Iustin Pop | nic.ip = self.inst_ip
|
3233 | a8083063 | Iustin Pop | |
3234 | 2a6469d5 | Alexander Schreiber | ht_kind = self.sstore.GetHypervisorType()
|
3235 | 2a6469d5 | Alexander Schreiber | if ht_kind in constants.HTS_REQ_PORT: |
3236 | 2a6469d5 | Alexander Schreiber | network_port = self.cfg.AllocatePort()
|
3237 | 2a6469d5 | Alexander Schreiber | else:
|
3238 | 2a6469d5 | Alexander Schreiber | network_port = None
|
3239 | 58acb49d | Alexander Schreiber | |
3240 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is None: |
3241 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS
|
3242 | 31a853d2 | Iustin Pop | |
3243 | 2c313123 | Manuel Franceschini | # this is needed because os.path.join does not accept None arguments
|
3244 | 2c313123 | Manuel Franceschini | if self.op.file_storage_dir is None: |
3245 | 2c313123 | Manuel Franceschini | string_file_storage_dir = ""
|
3246 | 2c313123 | Manuel Franceschini | else:
|
3247 | 2c313123 | Manuel Franceschini | string_file_storage_dir = self.op.file_storage_dir
|
3248 | 2c313123 | Manuel Franceschini | |
3249 | 0f1a06e3 | Manuel Franceschini | # build the full file storage dir path
|
3250 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.normpath(os.path.join( |
3251 | 0f1a06e3 | Manuel Franceschini | self.sstore.GetFileStorageDir(),
|
3252 | 2c313123 | Manuel Franceschini | string_file_storage_dir, instance)) |
3253 | 0f1a06e3 | Manuel Franceschini | |
3254 | 0f1a06e3 | Manuel Franceschini | |
3255 | 923b1523 | Iustin Pop | disks = _GenerateDiskTemplate(self.cfg,
|
3256 | a8083063 | Iustin Pop | self.op.disk_template,
|
3257 | a8083063 | Iustin Pop | instance, pnode_name, |
3258 | a8083063 | Iustin Pop | self.secondaries, self.op.disk_size, |
3259 | 0f1a06e3 | Manuel Franceschini | self.op.swap_size,
|
3260 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, |
3261 | 0f1a06e3 | Manuel Franceschini | self.op.file_driver)
|
3262 | a8083063 | Iustin Pop | |
3263 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
3264 | a8083063 | Iustin Pop | primary_node=pnode_name, |
3265 | a8083063 | Iustin Pop | memory=self.op.mem_size,
|
3266 | a8083063 | Iustin Pop | vcpus=self.op.vcpus,
|
3267 | a8083063 | Iustin Pop | nics=[nic], disks=disks, |
3268 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
3269 | a8083063 | Iustin Pop | status=self.instance_status,
|
3270 | 58acb49d | Alexander Schreiber | network_port=network_port, |
3271 | 3b6d8c9b | Iustin Pop | kernel_path=self.op.kernel_path,
|
3272 | 3b6d8c9b | Iustin Pop | initrd_path=self.op.initrd_path,
|
3273 | 25c5878d | Alexander Schreiber | hvm_boot_order=self.op.hvm_boot_order,
|
3274 | 31a853d2 | Iustin Pop | hvm_acpi=self.op.hvm_acpi,
|
3275 | 31a853d2 | Iustin Pop | hvm_pae=self.op.hvm_pae,
|
3276 | 31a853d2 | Iustin Pop | hvm_cdrom_image_path=self.op.hvm_cdrom_image_path,
|
3277 | 31a853d2 | Iustin Pop | vnc_bind_address=self.op.vnc_bind_address,
|
3278 | a8083063 | Iustin Pop | ) |
3279 | a8083063 | Iustin Pop | |
3280 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
3281 | a8083063 | Iustin Pop | if not _CreateDisks(self.cfg, iobj): |
3282 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
3283 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Device creation failed, reverting...") |
3284 | a8083063 | Iustin Pop | |
3285 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
3286 | a8083063 | Iustin Pop | |
3287 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
3288 | a2fd9afc | Guido Trotter | # Add the new instance to the Ganeti Lock Manager
|
3289 | a2fd9afc | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, instance)
|
3290 | a8083063 | Iustin Pop | |
3291 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
3292 | 5bfac263 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, self.proc) |
3293 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
3294 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
3295 | a8083063 | Iustin Pop | time.sleep(15)
|
3296 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
3297 | 5bfac263 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, self.proc, oneshot=True) |
3298 | a8083063 | Iustin Pop | else:
|
3299 | a8083063 | Iustin Pop | disk_abort = False
|
3300 | a8083063 | Iustin Pop | |
3301 | a8083063 | Iustin Pop | if disk_abort:
|
3302 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
3303 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
3304 | a2fd9afc | Guido Trotter | # Remove the new instance from the Ganeti Lock Manager
|
3305 | a2fd9afc | Guido Trotter | self.context.glm.remove(locking.LEVEL_INSTANCE, iobj.name)
|
3306 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
3307 | 3ecf6786 | Iustin Pop | " this instance")
|
3308 | a8083063 | Iustin Pop | |
3309 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
3310 | a8083063 | Iustin Pop | (instance, pnode_name)) |
3311 | a8083063 | Iustin Pop | |
3312 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
3313 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
3314 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
3315 | a8083063 | Iustin Pop | if not rpc.call_instance_os_add(pnode_name, iobj, "sda", "sdb"): |
3316 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not add os for instance %s" |
3317 | 3ecf6786 | Iustin Pop | " on node %s" %
|
3318 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3319 | a8083063 | Iustin Pop | |
3320 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
3321 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
3322 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
3323 | a8083063 | Iustin Pop | src_image = self.src_image
|
3324 | a8083063 | Iustin Pop | if not rpc.call_instance_os_import(pnode_name, iobj, "sda", "sdb", |
3325 | a8083063 | Iustin Pop | src_node, src_image): |
3326 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not import os for instance" |
3327 | 3ecf6786 | Iustin Pop | " %s on node %s" %
|
3328 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3329 | a8083063 | Iustin Pop | else:
|
3330 | a8083063 | Iustin Pop | # also checked in the prereq part
|
3331 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
3332 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
3333 | a8083063 | Iustin Pop | |
3334 | a8083063 | Iustin Pop | if self.op.start: |
3335 | a8083063 | Iustin Pop | logger.Info("starting instance %s on node %s" % (instance, pnode_name))
|
3336 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
3337 | a8083063 | Iustin Pop | if not rpc.call_instance_start(pnode_name, iobj, None): |
3338 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
3339 | a8083063 | Iustin Pop | |
3340 | a8083063 | Iustin Pop | |
3341 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
3342 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
3343 | a8083063 | Iustin Pop |
|
3344 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
3345 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
3346 | a8083063 | Iustin Pop | console.
|
3347 | a8083063 | Iustin Pop |
|
3348 | a8083063 | Iustin Pop | """
|
3349 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3350 | 8659b73e | Guido Trotter | REQ_BGL = False
|
3351 | 8659b73e | Guido Trotter | |
3352 | 8659b73e | Guido Trotter | def ExpandNames(self): |
3353 | 8659b73e | Guido Trotter | self._ExpandAndLockInstance()
|
3354 | a8083063 | Iustin Pop | |
3355 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3356 | a8083063 | Iustin Pop | """Check prerequisites.
|
3357 | a8083063 | Iustin Pop |
|
3358 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3359 | a8083063 | Iustin Pop |
|
3360 | a8083063 | Iustin Pop | """
|
3361 | 8659b73e | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3362 | 8659b73e | Guido Trotter | assert self.instance is not None, \ |
3363 | 8659b73e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3364 | a8083063 | Iustin Pop | |
3365 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3366 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
3367 | a8083063 | Iustin Pop |
|
3368 | a8083063 | Iustin Pop | """
|
3369 | a8083063 | Iustin Pop | instance = self.instance
|
3370 | a8083063 | Iustin Pop | node = instance.primary_node |
3371 | a8083063 | Iustin Pop | |
3372 | a8083063 | Iustin Pop | node_insts = rpc.call_instance_list([node])[node] |
3373 | a8083063 | Iustin Pop | if node_insts is False: |
3374 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't connect to node %s." % node) |
3375 | a8083063 | Iustin Pop | |
3376 | a8083063 | Iustin Pop | if instance.name not in node_insts: |
3377 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
3378 | a8083063 | Iustin Pop | |
3379 | a8083063 | Iustin Pop | logger.Debug("connecting to console of %s on %s" % (instance.name, node))
|
3380 | a8083063 | Iustin Pop | |
3381 | a8083063 | Iustin Pop | hyper = hypervisor.GetHypervisor() |
3382 | 30989e69 | Alexander Schreiber | console_cmd = hyper.GetShellCommandForConsole(instance) |
3383 | b047857b | Michael Hanselmann | |
3384 | 82122173 | Iustin Pop | # build ssh cmdline
|
3385 | 0a80a26f | Michael Hanselmann | return self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True) |
3386 | a8083063 | Iustin Pop | |
3387 | a8083063 | Iustin Pop | |
3388 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
3389 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3390 | a8083063 | Iustin Pop |
|
3391 | a8083063 | Iustin Pop | """
|
3392 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
3393 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3394 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
3395 | a8083063 | Iustin Pop | |
3396 | b6e82a65 | Iustin Pop | def _RunAllocator(self): |
3397 | b6e82a65 | Iustin Pop | """Compute a new secondary node using an IAllocator.
|
3398 | b6e82a65 | Iustin Pop |
|
3399 | b6e82a65 | Iustin Pop | """
|
3400 | b6e82a65 | Iustin Pop | ial = IAllocator(self.cfg, self.sstore, |
3401 | b6e82a65 | Iustin Pop | mode=constants.IALLOCATOR_MODE_RELOC, |
3402 | b6e82a65 | Iustin Pop | name=self.op.instance_name,
|
3403 | b6e82a65 | Iustin Pop | relocate_from=[self.sec_node])
|
3404 | b6e82a65 | Iustin Pop | |
3405 | b6e82a65 | Iustin Pop | ial.Run(self.op.iallocator)
|
3406 | b6e82a65 | Iustin Pop | |
3407 | b6e82a65 | Iustin Pop | if not ial.success: |
3408 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
3409 | b6e82a65 | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
3410 | b6e82a65 | Iustin Pop | ial.info)) |
3411 | b6e82a65 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
3412 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
3413 | b6e82a65 | Iustin Pop | " of nodes (%s), required %s" %
|
3414 | b6e82a65 | Iustin Pop | (len(ial.nodes), ial.required_nodes))
|
3415 | b6e82a65 | Iustin Pop | self.op.remote_node = ial.nodes[0] |
3416 | b6e82a65 | Iustin Pop | logger.ToStdout("Selected new secondary for the instance: %s" %
|
3417 | b6e82a65 | Iustin Pop | self.op.remote_node)
|
3418 | b6e82a65 | Iustin Pop | |
3419 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3420 | a8083063 | Iustin Pop | """Build hooks env.
|
3421 | a8083063 | Iustin Pop |
|
3422 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3423 | a8083063 | Iustin Pop |
|
3424 | a8083063 | Iustin Pop | """
|
3425 | a8083063 | Iustin Pop | env = { |
3426 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
3427 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3428 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.instance.secondary_nodes[0], |
3429 | a8083063 | Iustin Pop | } |
3430 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3431 | 0834c866 | Iustin Pop | nl = [ |
3432 | 0834c866 | Iustin Pop | self.sstore.GetMasterNode(),
|
3433 | 0834c866 | Iustin Pop | self.instance.primary_node,
|
3434 | 0834c866 | Iustin Pop | ] |
3435 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
3436 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
3437 | a8083063 | Iustin Pop | return env, nl, nl
|
3438 | a8083063 | Iustin Pop | |
3439 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3440 | a8083063 | Iustin Pop | """Check prerequisites.
|
3441 | a8083063 | Iustin Pop |
|
3442 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3443 | a8083063 | Iustin Pop |
|
3444 | a8083063 | Iustin Pop | """
|
3445 | b6e82a65 | Iustin Pop | if not hasattr(self.op, "remote_node"): |
3446 | b6e82a65 | Iustin Pop | self.op.remote_node = None |
3447 | b6e82a65 | Iustin Pop | |
3448 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3449 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3450 | a8083063 | Iustin Pop | if instance is None: |
3451 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3452 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3453 | a8083063 | Iustin Pop | self.instance = instance
|
3454 | 7df43a76 | Iustin Pop | self.op.instance_name = instance.name
|
3455 | a8083063 | Iustin Pop | |
3456 | a9e0c397 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
3457 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3458 | a9e0c397 | Iustin Pop | " network mirrored.")
|
3459 | a8083063 | Iustin Pop | |
3460 | a8083063 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
3461 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
3462 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
3463 | 3ecf6786 | Iustin Pop | len(instance.secondary_nodes))
|
3464 | a8083063 | Iustin Pop | |
3465 | a9e0c397 | Iustin Pop | self.sec_node = instance.secondary_nodes[0] |
3466 | a9e0c397 | Iustin Pop | |
3467 | b6e82a65 | Iustin Pop | ia_name = getattr(self.op, "iallocator", None) |
3468 | b6e82a65 | Iustin Pop | if ia_name is not None: |
3469 | b6e82a65 | Iustin Pop | if self.op.remote_node is not None: |
3470 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("Give either the iallocator or the new" |
3471 | b6e82a65 | Iustin Pop | " secondary, not both")
|
3472 | b6e82a65 | Iustin Pop | self.op.remote_node = self._RunAllocator() |
3473 | b6e82a65 | Iustin Pop | |
3474 | b6e82a65 | Iustin Pop | remote_node = self.op.remote_node
|
3475 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3476 | a8083063 | Iustin Pop | remote_node = self.cfg.ExpandNodeName(remote_node)
|
3477 | a8083063 | Iustin Pop | if remote_node is None: |
3478 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % |
3479 | 3ecf6786 | Iustin Pop | self.op.remote_node)
|
3480 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
3481 | a9e0c397 | Iustin Pop | else:
|
3482 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
3483 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3484 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3485 | 3ecf6786 | Iustin Pop | " the instance.")
|
3486 | a9e0c397 | Iustin Pop | elif remote_node == self.sec_node: |
3487 | 0834c866 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_SEC: |
3488 | 0834c866 | Iustin Pop | # this is for DRBD8, where we can't execute the same mode of
|
3489 | 0834c866 | Iustin Pop | # replacement as for drbd7 (no different port allocated)
|
3490 | 0834c866 | Iustin Pop | raise errors.OpPrereqError("Same secondary given, cannot execute" |
3491 | 0834c866 | Iustin Pop | " replacement")
|
3492 | a9e0c397 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
3493 | 7df43a76 | Iustin Pop | if (self.op.mode == constants.REPLACE_DISK_ALL and |
3494 | 7df43a76 | Iustin Pop | remote_node is not None): |
3495 | 7df43a76 | Iustin Pop | # switch to replace secondary mode
|
3496 | 7df43a76 | Iustin Pop | self.op.mode = constants.REPLACE_DISK_SEC
|
3497 | 7df43a76 | Iustin Pop | |
3498 | a9e0c397 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_ALL: |
3499 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' only allows primary or" |
3500 | a9e0c397 | Iustin Pop | " secondary disk replacement, not"
|
3501 | a9e0c397 | Iustin Pop | " both at once")
|
3502 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_PRI: |
3503 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3504 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' does not allow changing" |
3505 | a9e0c397 | Iustin Pop | " the secondary while doing a primary"
|
3506 | a9e0c397 | Iustin Pop | " node disk replacement")
|
3507 | a9e0c397 | Iustin Pop | self.tgt_node = instance.primary_node
|
3508 | cff90b79 | Iustin Pop | self.oth_node = instance.secondary_nodes[0] |
3509 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_SEC: |
3510 | a9e0c397 | Iustin Pop | self.new_node = remote_node # this can be None, in which case |
3511 | a9e0c397 | Iustin Pop | # we don't change the secondary
|
3512 | a9e0c397 | Iustin Pop | self.tgt_node = instance.secondary_nodes[0] |
3513 | cff90b79 | Iustin Pop | self.oth_node = instance.primary_node
|
3514 | a9e0c397 | Iustin Pop | else:
|
3515 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replace mode") |
3516 | a9e0c397 | Iustin Pop | |
3517 | a9e0c397 | Iustin Pop | for name in self.op.disks: |
3518 | a9e0c397 | Iustin Pop | if instance.FindDisk(name) is None: |
3519 | a9e0c397 | Iustin Pop | raise errors.OpPrereqError("Disk '%s' not found for instance '%s'" % |
3520 | a9e0c397 | Iustin Pop | (name, instance.name)) |
3521 | a8083063 | Iustin Pop | self.op.remote_node = remote_node
|
3522 | a8083063 | Iustin Pop | |
3523 | a9e0c397 | Iustin Pop | def _ExecD8DiskOnly(self, feedback_fn): |
3524 | a9e0c397 | Iustin Pop | """Replace a disk on the primary or secondary for dbrd8.
|
3525 | a9e0c397 | Iustin Pop |
|
3526 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3527 | a9e0c397 | Iustin Pop | - for each disk to be replaced:
|
3528 | a9e0c397 | Iustin Pop | - create new LVs on the target node with unique names
|
3529 | a9e0c397 | Iustin Pop | - detach old LVs from the drbd device
|
3530 | a9e0c397 | Iustin Pop | - rename old LVs to name_replaced.<time_t>
|
3531 | a9e0c397 | Iustin Pop | - rename new LVs to old LVs
|
3532 | a9e0c397 | Iustin Pop | - attach the new LVs (with the old names now) to the drbd device
|
3533 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3534 | a9e0c397 | Iustin Pop | - for each modified disk:
|
3535 | a9e0c397 | Iustin Pop | - remove old LVs (which have the name name_replaces.<time_t>)
|
3536 | a9e0c397 | Iustin Pop |
|
3537 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3538 | cff90b79 | Iustin Pop |
|
3539 | a9e0c397 | Iustin Pop | """
|
3540 | cff90b79 | Iustin Pop | steps_total = 6
|
3541 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3542 | a9e0c397 | Iustin Pop | instance = self.instance
|
3543 | a9e0c397 | Iustin Pop | iv_names = {} |
3544 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3545 | a9e0c397 | Iustin Pop | # start of work
|
3546 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3547 | a9e0c397 | Iustin Pop | tgt_node = self.tgt_node
|
3548 | cff90b79 | Iustin Pop | oth_node = self.oth_node
|
3549 | cff90b79 | Iustin Pop | |
3550 | cff90b79 | Iustin Pop | # Step: check device activation
|
3551 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3552 | cff90b79 | Iustin Pop | info("checking volume groups")
|
3553 | cff90b79 | Iustin Pop | my_vg = cfg.GetVGName() |
3554 | cff90b79 | Iustin Pop | results = rpc.call_vg_list([oth_node, tgt_node]) |
3555 | cff90b79 | Iustin Pop | if not results: |
3556 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3557 | cff90b79 | Iustin Pop | for node in oth_node, tgt_node: |
3558 | cff90b79 | Iustin Pop | res = results.get(node, False)
|
3559 | cff90b79 | Iustin Pop | if not res or my_vg not in res: |
3560 | cff90b79 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3561 | cff90b79 | Iustin Pop | (my_vg, node)) |
3562 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3563 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3564 | cff90b79 | Iustin Pop | continue
|
3565 | cff90b79 | Iustin Pop | for node in tgt_node, oth_node: |
3566 | cff90b79 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, node))
|
3567 | cff90b79 | Iustin Pop | cfg.SetDiskID(dev, node) |
3568 | cff90b79 | Iustin Pop | if not rpc.call_blockdev_find(node, dev): |
3569 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3570 | cff90b79 | Iustin Pop | (dev.iv_name, node)) |
3571 | cff90b79 | Iustin Pop | |
3572 | cff90b79 | Iustin Pop | # Step: check other node consistency
|
3573 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3574 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3575 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3576 | cff90b79 | Iustin Pop | continue
|
3577 | cff90b79 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, oth_node))
|
3578 | cff90b79 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, oth_node, |
3579 | cff90b79 | Iustin Pop | oth_node==instance.primary_node): |
3580 | cff90b79 | Iustin Pop | raise errors.OpExecError("Peer node (%s) has degraded storage, unsafe" |
3581 | cff90b79 | Iustin Pop | " to replace disks on this node (%s)" %
|
3582 | cff90b79 | Iustin Pop | (oth_node, tgt_node)) |
3583 | cff90b79 | Iustin Pop | |
3584 | cff90b79 | Iustin Pop | # Step: create new storage
|
3585 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3586 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3587 | a9e0c397 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3588 | a9e0c397 | Iustin Pop | continue
|
3589 | a9e0c397 | Iustin Pop | size = dev.size |
3590 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, tgt_node) |
3591 | a9e0c397 | Iustin Pop | lv_names = [".%s_%s" % (dev.iv_name, suf) for suf in ["data", "meta"]] |
3592 | a9e0c397 | Iustin Pop | names = _GenerateUniqueNames(cfg, lv_names) |
3593 | a9e0c397 | Iustin Pop | lv_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
3594 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
3595 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
3596 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
3597 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
3598 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
3599 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
3600 | cff90b79 | Iustin Pop | info("creating new local storage on %s for %s" %
|
3601 | cff90b79 | Iustin Pop | (tgt_node, dev.iv_name)) |
3602 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3603 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3604 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3605 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3606 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, tgt_node, instance, new_lv, |
3607 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3608 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3609 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3610 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], tgt_node))
|
3611 | a9e0c397 | Iustin Pop | |
3612 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
3613 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "change drbd configuration") |
3614 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
3615 | cff90b79 | Iustin Pop | info("detaching %s drbd from local storage" % dev.iv_name)
|
3616 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_removechildren(tgt_node, dev, old_lvs): |
3617 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Can't detach drbd from local storage on node" |
3618 | a9e0c397 | Iustin Pop | " %s for device %s" % (tgt_node, dev.iv_name))
|
3619 | cff90b79 | Iustin Pop | #dev.children = []
|
3620 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
3621 | a9e0c397 | Iustin Pop | |
3622 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
3623 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
3624 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
3625 | c99a3cc0 | Manuel Franceschini | # using the assumption that logical_id == physical_id (which in
|
3626 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
3627 | cff90b79 | Iustin Pop | |
3628 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
3629 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
3630 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
3631 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
3632 | cff90b79 | Iustin Pop | # build the rename list based on what LVs exist on the node
|
3633 | cff90b79 | Iustin Pop | rlist = [] |
3634 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
3635 | cff90b79 | Iustin Pop | find_res = rpc.call_blockdev_find(tgt_node, to_ren) |
3636 | cff90b79 | Iustin Pop | if find_res is not None: # device exists |
3637 | cff90b79 | Iustin Pop | rlist.append((to_ren, ren_fn(to_ren, temp_suffix))) |
3638 | cff90b79 | Iustin Pop | |
3639 | cff90b79 | Iustin Pop | info("renaming the old LVs on the target node")
|
3640 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_rename(tgt_node, rlist): |
3641 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename old LVs on node %s" % tgt_node) |
3642 | a9e0c397 | Iustin Pop | # now we rename the new LVs to the old LVs
|
3643 | cff90b79 | Iustin Pop | info("renaming the new LVs on the target node")
|
3644 | a9e0c397 | Iustin Pop | rlist = [(new, old.physical_id) for old, new in zip(old_lvs, new_lvs)] |
3645 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_rename(tgt_node, rlist): |
3646 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename new LVs on node %s" % tgt_node) |
3647 | cff90b79 | Iustin Pop | |
3648 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
3649 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
3650 | cff90b79 | Iustin Pop | cfg.SetDiskID(new, tgt_node) |
3651 | a9e0c397 | Iustin Pop | |
3652 | cff90b79 | Iustin Pop | for disk in old_lvs: |
3653 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
3654 | cff90b79 | Iustin Pop | cfg.SetDiskID(disk, tgt_node) |
3655 | a9e0c397 | Iustin Pop | |
3656 | a9e0c397 | Iustin Pop | # now that the new lvs have the old name, we can add them to the device
|
3657 | cff90b79 | Iustin Pop | info("adding new mirror component on %s" % tgt_node)
|
3658 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_addchildren(tgt_node, dev, new_lvs): |
3659 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3660 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(tgt_node, new_lv): |
3661 | 79caa9ed | Guido Trotter | warning("Can't rollback device %s", hint="manually cleanup unused" |
3662 | cff90b79 | Iustin Pop | " logical volumes")
|
3663 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd") |
3664 | a9e0c397 | Iustin Pop | |
3665 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
3666 | a9e0c397 | Iustin Pop | cfg.Update(instance) |
3667 | a9e0c397 | Iustin Pop | |
3668 | cff90b79 | Iustin Pop | # Step: wait for sync
|
3669 | a9e0c397 | Iustin Pop | |
3670 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3671 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3672 | a9e0c397 | Iustin Pop | # return value
|
3673 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
3674 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3675 | a9e0c397 | Iustin Pop | |
3676 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
3677 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
3678 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3679 | a9e0c397 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, dev)[5]
|
3680 | a9e0c397 | Iustin Pop | if is_degr:
|
3681 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
3682 | a9e0c397 | Iustin Pop | |
3683 | cff90b79 | Iustin Pop | # Step: remove old storage
|
3684 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
3685 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
3686 | cff90b79 | Iustin Pop | info("remove logical volumes for %s" % name)
|
3687 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
3688 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, tgt_node) |
3689 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(tgt_node, lv): |
3690 | 79caa9ed | Guido Trotter | warning("Can't remove old LV", hint="manually remove unused LVs") |
3691 | a9e0c397 | Iustin Pop | continue
|
3692 | a9e0c397 | Iustin Pop | |
3693 | a9e0c397 | Iustin Pop | def _ExecD8Secondary(self, feedback_fn): |
3694 | a9e0c397 | Iustin Pop | """Replace the secondary node for drbd8.
|
3695 | a9e0c397 | Iustin Pop |
|
3696 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3697 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
3698 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
3699 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
3700 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
3701 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
3702 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
3703 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
3704 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
3705 | a9e0c397 | Iustin Pop | not network enabled
|
3706 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3707 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
3708 | a9e0c397 | Iustin Pop |
|
3709 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3710 | 0834c866 | Iustin Pop |
|
3711 | a9e0c397 | Iustin Pop | """
|
3712 | 0834c866 | Iustin Pop | steps_total = 6
|
3713 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3714 | a9e0c397 | Iustin Pop | instance = self.instance
|
3715 | a9e0c397 | Iustin Pop | iv_names = {} |
3716 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3717 | a9e0c397 | Iustin Pop | # start of work
|
3718 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3719 | a9e0c397 | Iustin Pop | old_node = self.tgt_node
|
3720 | a9e0c397 | Iustin Pop | new_node = self.new_node
|
3721 | a9e0c397 | Iustin Pop | pri_node = instance.primary_node |
3722 | 0834c866 | Iustin Pop | |
3723 | 0834c866 | Iustin Pop | # Step: check device activation
|
3724 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3725 | 0834c866 | Iustin Pop | info("checking volume groups")
|
3726 | 0834c866 | Iustin Pop | my_vg = cfg.GetVGName() |
3727 | 0834c866 | Iustin Pop | results = rpc.call_vg_list([pri_node, new_node]) |
3728 | 0834c866 | Iustin Pop | if not results: |
3729 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3730 | 0834c866 | Iustin Pop | for node in pri_node, new_node: |
3731 | 0834c866 | Iustin Pop | res = results.get(node, False)
|
3732 | 0834c866 | Iustin Pop | if not res or my_vg not in res: |
3733 | 0834c866 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3734 | 0834c866 | Iustin Pop | (my_vg, node)) |
3735 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3736 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3737 | 0834c866 | Iustin Pop | continue
|
3738 | 0834c866 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, pri_node))
|
3739 | 0834c866 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3740 | 0834c866 | Iustin Pop | if not rpc.call_blockdev_find(pri_node, dev): |
3741 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3742 | 0834c866 | Iustin Pop | (dev.iv_name, pri_node)) |
3743 | 0834c866 | Iustin Pop | |
3744 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
3745 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3746 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3747 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3748 | 0834c866 | Iustin Pop | continue
|
3749 | 0834c866 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, pri_node))
|
3750 | 0834c866 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, pri_node, True, ldisk=True): |
3751 | 0834c866 | Iustin Pop | raise errors.OpExecError("Primary node (%s) has degraded storage," |
3752 | 0834c866 | Iustin Pop | " unsafe to replace the secondary" %
|
3753 | 0834c866 | Iustin Pop | pri_node) |
3754 | 0834c866 | Iustin Pop | |
3755 | 0834c866 | Iustin Pop | # Step: create new storage
|
3756 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3757 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3758 | a9e0c397 | Iustin Pop | size = dev.size |
3759 | 0834c866 | Iustin Pop | info("adding new local storage on %s for %s" % (new_node, dev.iv_name))
|
3760 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3761 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3762 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3763 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
3764 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, new_node, instance, new_lv, |
3765 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3766 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3767 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3768 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], new_node))
|
3769 | a9e0c397 | Iustin Pop | |
3770 | 0834c866 | Iustin Pop | iv_names[dev.iv_name] = (dev, dev.children) |
3771 | 0834c866 | Iustin Pop | |
3772 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "changing drbd configuration") |
3773 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3774 | 0834c866 | Iustin Pop | size = dev.size |
3775 | 0834c866 | Iustin Pop | info("activating a new drbd on %s for %s" % (new_node, dev.iv_name))
|
3776 | a9e0c397 | Iustin Pop | # create new devices on new_node
|
3777 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
3778 | a9e0c397 | Iustin Pop | logical_id=(pri_node, new_node, |
3779 | a9e0c397 | Iustin Pop | dev.logical_id[2]),
|
3780 | a9e0c397 | Iustin Pop | children=dev.children) |
3781 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, new_node, instance, |
3782 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
3783 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3784 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new DRBD on" |
3785 | a9e0c397 | Iustin Pop | " node '%s'" % new_node)
|
3786 | a9e0c397 | Iustin Pop | |
3787 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3788 | a9e0c397 | Iustin Pop | # we have new devices, shutdown the drbd on the old secondary
|
3789 | 0834c866 | Iustin Pop | info("shutting down drbd for %s on old node" % dev.iv_name)
|
3790 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, old_node) |
3791 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_shutdown(old_node, dev): |
3792 | 0834c866 | Iustin Pop | warning("Failed to shutdown drbd for %s on old node" % dev.iv_name,
|
3793 | 79caa9ed | Guido Trotter | hint="Please cleanup this device manually as soon as possible")
|
3794 | a9e0c397 | Iustin Pop | |
3795 | 642445d9 | Iustin Pop | info("detaching primary drbds from the network (=> standalone)")
|
3796 | 642445d9 | Iustin Pop | done = 0
|
3797 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3798 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3799 | 642445d9 | Iustin Pop | # set the physical (unique in bdev terms) id to None, meaning
|
3800 | 642445d9 | Iustin Pop | # detach from network
|
3801 | 642445d9 | Iustin Pop | dev.physical_id = (None,) * len(dev.physical_id) |
3802 | 642445d9 | Iustin Pop | # and 'find' the device, which will 'fix' it to match the
|
3803 | 642445d9 | Iustin Pop | # standalone state
|
3804 | 642445d9 | Iustin Pop | if rpc.call_blockdev_find(pri_node, dev):
|
3805 | 642445d9 | Iustin Pop | done += 1
|
3806 | 642445d9 | Iustin Pop | else:
|
3807 | 642445d9 | Iustin Pop | warning("Failed to detach drbd %s from network, unusual case" %
|
3808 | 642445d9 | Iustin Pop | dev.iv_name) |
3809 | 642445d9 | Iustin Pop | |
3810 | 642445d9 | Iustin Pop | if not done: |
3811 | 642445d9 | Iustin Pop | # no detaches succeeded (very unlikely)
|
3812 | 642445d9 | Iustin Pop | raise errors.OpExecError("Can't detach at least one DRBD from old node") |
3813 | 642445d9 | Iustin Pop | |
3814 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
3815 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
3816 | 642445d9 | Iustin Pop | info("updating instance configuration")
|
3817 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3818 | 642445d9 | Iustin Pop | dev.logical_id = (pri_node, new_node) + dev.logical_id[2:]
|
3819 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3820 | 642445d9 | Iustin Pop | cfg.Update(instance) |
3821 | a9e0c397 | Iustin Pop | |
3822 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
3823 | 642445d9 | Iustin Pop | info("attaching primary drbds to new secondary (standalone => connected)")
|
3824 | 642445d9 | Iustin Pop | failures = [] |
3825 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3826 | 642445d9 | Iustin Pop | info("attaching primary drbd for %s to new secondary node" % dev.iv_name)
|
3827 | 642445d9 | Iustin Pop | # since the attach is smart, it's enough to 'find' the device,
|
3828 | 642445d9 | Iustin Pop | # it will automatically activate the network, if the physical_id
|
3829 | 642445d9 | Iustin Pop | # is correct
|
3830 | 642445d9 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3831 | 642445d9 | Iustin Pop | if not rpc.call_blockdev_find(pri_node, dev): |
3832 | 642445d9 | Iustin Pop | warning("can't attach drbd %s to new secondary!" % dev.iv_name,
|
3833 | 642445d9 | Iustin Pop | "please do a gnt-instance info to see the status of disks")
|
3834 | a9e0c397 | Iustin Pop | |
3835 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3836 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3837 | a9e0c397 | Iustin Pop | # return value
|
3838 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
3839 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3840 | a9e0c397 | Iustin Pop | |
3841 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
3842 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs) in iv_names.iteritems(): |
3843 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3844 | a9e0c397 | Iustin Pop | is_degr = rpc.call_blockdev_find(pri_node, dev)[5]
|
3845 | a9e0c397 | Iustin Pop | if is_degr:
|
3846 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
3847 | a9e0c397 | Iustin Pop | |
3848 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
3849 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs) in iv_names.iteritems(): |
3850 | 0834c866 | Iustin Pop | info("remove logical volumes for %s" % name)
|
3851 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
3852 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, old_node) |
3853 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(old_node, lv): |
3854 | 0834c866 | Iustin Pop | warning("Can't remove LV on old secondary",
|
3855 | 79caa9ed | Guido Trotter | hint="Cleanup stale volumes by hand")
|
3856 | a9e0c397 | Iustin Pop | |
3857 | a9e0c397 | Iustin Pop | def Exec(self, feedback_fn): |
3858 | a9e0c397 | Iustin Pop | """Execute disk replacement.
|
3859 | a9e0c397 | Iustin Pop |
|
3860 | a9e0c397 | Iustin Pop | This dispatches the disk replacement to the appropriate handler.
|
3861 | a9e0c397 | Iustin Pop |
|
3862 | a9e0c397 | Iustin Pop | """
|
3863 | a9e0c397 | Iustin Pop | instance = self.instance
|
3864 | 22985314 | Guido Trotter | |
3865 | 22985314 | Guido Trotter | # Activate the instance disks if we're replacing them on a down instance
|
3866 | 22985314 | Guido Trotter | if instance.status == "down": |
3867 | 22985314 | Guido Trotter | op = opcodes.OpActivateInstanceDisks(instance_name=instance.name) |
3868 | 22985314 | Guido Trotter | self.proc.ChainOpCode(op)
|
3869 | 22985314 | Guido Trotter | |
3870 | abdf0113 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
3871 | a9e0c397 | Iustin Pop | if self.op.remote_node is None: |
3872 | a9e0c397 | Iustin Pop | fn = self._ExecD8DiskOnly
|
3873 | a9e0c397 | Iustin Pop | else:
|
3874 | a9e0c397 | Iustin Pop | fn = self._ExecD8Secondary
|
3875 | a9e0c397 | Iustin Pop | else:
|
3876 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replacement case") |
3877 | 22985314 | Guido Trotter | |
3878 | 22985314 | Guido Trotter | ret = fn(feedback_fn) |
3879 | 22985314 | Guido Trotter | |
3880 | 22985314 | Guido Trotter | # Deactivate the instance disks if we're replacing them on a down instance
|
3881 | 22985314 | Guido Trotter | if instance.status == "down": |
3882 | 22985314 | Guido Trotter | op = opcodes.OpDeactivateInstanceDisks(instance_name=instance.name) |
3883 | 22985314 | Guido Trotter | self.proc.ChainOpCode(op)
|
3884 | 22985314 | Guido Trotter | |
3885 | 22985314 | Guido Trotter | return ret
|
3886 | a9e0c397 | Iustin Pop | |
3887 | a8083063 | Iustin Pop | |
3888 | 8729e0d7 | Iustin Pop | class LUGrowDisk(LogicalUnit): |
3889 | 8729e0d7 | Iustin Pop | """Grow a disk of an instance.
|
3890 | 8729e0d7 | Iustin Pop |
|
3891 | 8729e0d7 | Iustin Pop | """
|
3892 | 8729e0d7 | Iustin Pop | HPATH = "disk-grow"
|
3893 | 8729e0d7 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3894 | 8729e0d7 | Iustin Pop | _OP_REQP = ["instance_name", "disk", "amount"] |
3895 | 8729e0d7 | Iustin Pop | |
3896 | 8729e0d7 | Iustin Pop | def BuildHooksEnv(self): |
3897 | 8729e0d7 | Iustin Pop | """Build hooks env.
|
3898 | 8729e0d7 | Iustin Pop |
|
3899 | 8729e0d7 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3900 | 8729e0d7 | Iustin Pop |
|
3901 | 8729e0d7 | Iustin Pop | """
|
3902 | 8729e0d7 | Iustin Pop | env = { |
3903 | 8729e0d7 | Iustin Pop | "DISK": self.op.disk, |
3904 | 8729e0d7 | Iustin Pop | "AMOUNT": self.op.amount, |
3905 | 8729e0d7 | Iustin Pop | } |
3906 | 8729e0d7 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3907 | 8729e0d7 | Iustin Pop | nl = [ |
3908 | 8729e0d7 | Iustin Pop | self.sstore.GetMasterNode(),
|
3909 | 8729e0d7 | Iustin Pop | self.instance.primary_node,
|
3910 | 8729e0d7 | Iustin Pop | ] |
3911 | 8729e0d7 | Iustin Pop | return env, nl, nl
|
3912 | 8729e0d7 | Iustin Pop | |
3913 | 8729e0d7 | Iustin Pop | def CheckPrereq(self): |
3914 | 8729e0d7 | Iustin Pop | """Check prerequisites.
|
3915 | 8729e0d7 | Iustin Pop |
|
3916 | 8729e0d7 | Iustin Pop | This checks that the instance is in the cluster.
|
3917 | 8729e0d7 | Iustin Pop |
|
3918 | 8729e0d7 | Iustin Pop | """
|
3919 | 8729e0d7 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3920 | 8729e0d7 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3921 | 8729e0d7 | Iustin Pop | if instance is None: |
3922 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3923 | 8729e0d7 | Iustin Pop | self.op.instance_name)
|
3924 | 8729e0d7 | Iustin Pop | self.instance = instance
|
3925 | 8729e0d7 | Iustin Pop | self.op.instance_name = instance.name
|
3926 | 8729e0d7 | Iustin Pop | |
3927 | 8729e0d7 | Iustin Pop | if instance.disk_template not in (constants.DT_PLAIN, constants.DT_DRBD8): |
3928 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout does not support" |
3929 | 8729e0d7 | Iustin Pop | " growing.")
|
3930 | 8729e0d7 | Iustin Pop | |
3931 | 8729e0d7 | Iustin Pop | if instance.FindDisk(self.op.disk) is None: |
3932 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Disk '%s' not found for instance '%s'" % |
3933 | c7cdfc90 | Iustin Pop | (self.op.disk, instance.name))
|
3934 | 8729e0d7 | Iustin Pop | |
3935 | 8729e0d7 | Iustin Pop | nodenames = [instance.primary_node] + list(instance.secondary_nodes)
|
3936 | 8729e0d7 | Iustin Pop | nodeinfo = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
3937 | 8729e0d7 | Iustin Pop | for node in nodenames: |
3938 | 8729e0d7 | Iustin Pop | info = nodeinfo.get(node, None)
|
3939 | 8729e0d7 | Iustin Pop | if not info: |
3940 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
3941 | 8729e0d7 | Iustin Pop | " from node '%s'" % node)
|
3942 | 8729e0d7 | Iustin Pop | vg_free = info.get('vg_free', None) |
3943 | 8729e0d7 | Iustin Pop | if not isinstance(vg_free, int): |
3944 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
3945 | 8729e0d7 | Iustin Pop | " node %s" % node)
|
3946 | 8729e0d7 | Iustin Pop | if self.op.amount > info['vg_free']: |
3947 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s:" |
3948 | 8729e0d7 | Iustin Pop | " %d MiB available, %d MiB required" %
|
3949 | 8729e0d7 | Iustin Pop | (node, info['vg_free'], self.op.amount)) |
3950 | 8729e0d7 | Iustin Pop | |
3951 | 8729e0d7 | Iustin Pop | def Exec(self, feedback_fn): |
3952 | 8729e0d7 | Iustin Pop | """Execute disk grow.
|
3953 | 8729e0d7 | Iustin Pop |
|
3954 | 8729e0d7 | Iustin Pop | """
|
3955 | 8729e0d7 | Iustin Pop | instance = self.instance
|
3956 | 8729e0d7 | Iustin Pop | disk = instance.FindDisk(self.op.disk)
|
3957 | 8729e0d7 | Iustin Pop | for node in (instance.secondary_nodes + (instance.primary_node,)): |
3958 | 8729e0d7 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
3959 | 8729e0d7 | Iustin Pop | result = rpc.call_blockdev_grow(node, disk, self.op.amount)
|
3960 | 8729e0d7 | Iustin Pop | if not result or not isinstance(result, tuple) or len(result) != 2: |
3961 | 8729e0d7 | Iustin Pop | raise errors.OpExecError("grow request failed to node %s" % node) |
3962 | 8729e0d7 | Iustin Pop | elif not result[0]: |
3963 | 8729e0d7 | Iustin Pop | raise errors.OpExecError("grow request failed to node %s: %s" % |
3964 | 8729e0d7 | Iustin Pop | (node, result[1]))
|
3965 | 8729e0d7 | Iustin Pop | disk.RecordGrow(self.op.amount)
|
3966 | 8729e0d7 | Iustin Pop | self.cfg.Update(instance)
|
3967 | 8729e0d7 | Iustin Pop | return
|
3968 | 8729e0d7 | Iustin Pop | |
3969 | 8729e0d7 | Iustin Pop | |
3970 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
3971 | a8083063 | Iustin Pop | """Query runtime instance data.
|
3972 | a8083063 | Iustin Pop |
|
3973 | a8083063 | Iustin Pop | """
|
3974 | a8083063 | Iustin Pop | _OP_REQP = ["instances"]
|
3975 | a8083063 | Iustin Pop | |
3976 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3977 | a8083063 | Iustin Pop | """Check prerequisites.
|
3978 | a8083063 | Iustin Pop |
|
3979 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
3980 | a8083063 | Iustin Pop |
|
3981 | a8083063 | Iustin Pop | """
|
3982 | a8083063 | Iustin Pop | if not isinstance(self.op.instances, list): |
3983 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
3984 | a8083063 | Iustin Pop | if self.op.instances: |
3985 | a8083063 | Iustin Pop | self.wanted_instances = []
|
3986 | a8083063 | Iustin Pop | names = self.op.instances
|
3987 | a8083063 | Iustin Pop | for name in names: |
3988 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(self.cfg.ExpandInstanceName(name)) |
3989 | a8083063 | Iustin Pop | if instance is None: |
3990 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
3991 | 515207af | Guido Trotter | self.wanted_instances.append(instance)
|
3992 | a8083063 | Iustin Pop | else:
|
3993 | a8083063 | Iustin Pop | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
3994 | a8083063 | Iustin Pop | in self.cfg.GetInstanceList()] |
3995 | a8083063 | Iustin Pop | return
|
3996 | a8083063 | Iustin Pop | |
3997 | a8083063 | Iustin Pop | |
3998 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
3999 | a8083063 | Iustin Pop | """Compute block device status.
|
4000 | a8083063 | Iustin Pop |
|
4001 | a8083063 | Iustin Pop | """
|
4002 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
4003 | a8083063 | Iustin Pop | dev_pstatus = rpc.call_blockdev_find(instance.primary_node, dev) |
4004 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
4005 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
4006 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
4007 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
4008 | a8083063 | Iustin Pop | else:
|
4009 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
4010 | a8083063 | Iustin Pop | |
4011 | a8083063 | Iustin Pop | if snode:
|
4012 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
4013 | a8083063 | Iustin Pop | dev_sstatus = rpc.call_blockdev_find(snode, dev) |
4014 | a8083063 | Iustin Pop | else:
|
4015 | a8083063 | Iustin Pop | dev_sstatus = None
|
4016 | a8083063 | Iustin Pop | |
4017 | a8083063 | Iustin Pop | if dev.children:
|
4018 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
4019 | a8083063 | Iustin Pop | for child in dev.children] |
4020 | a8083063 | Iustin Pop | else:
|
4021 | a8083063 | Iustin Pop | dev_children = [] |
4022 | a8083063 | Iustin Pop | |
4023 | a8083063 | Iustin Pop | data = { |
4024 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
4025 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
4026 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
4027 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
4028 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
4029 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
4030 | a8083063 | Iustin Pop | "children": dev_children,
|
4031 | a8083063 | Iustin Pop | } |
4032 | a8083063 | Iustin Pop | |
4033 | a8083063 | Iustin Pop | return data
|
4034 | a8083063 | Iustin Pop | |
4035 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4036 | a8083063 | Iustin Pop | """Gather and return data"""
|
4037 | a8083063 | Iustin Pop | result = {} |
4038 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
4039 | a8083063 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, |
4040 | a8083063 | Iustin Pop | instance.name) |
4041 | a8083063 | Iustin Pop | if remote_info and "state" in remote_info: |
4042 | a8083063 | Iustin Pop | remote_state = "up"
|
4043 | a8083063 | Iustin Pop | else:
|
4044 | a8083063 | Iustin Pop | remote_state = "down"
|
4045 | a8083063 | Iustin Pop | if instance.status == "down": |
4046 | a8083063 | Iustin Pop | config_state = "down"
|
4047 | a8083063 | Iustin Pop | else:
|
4048 | a8083063 | Iustin Pop | config_state = "up"
|
4049 | a8083063 | Iustin Pop | |
4050 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
4051 | a8083063 | Iustin Pop | for device in instance.disks] |
4052 | a8083063 | Iustin Pop | |
4053 | a8083063 | Iustin Pop | idict = { |
4054 | a8083063 | Iustin Pop | "name": instance.name,
|
4055 | a8083063 | Iustin Pop | "config_state": config_state,
|
4056 | a8083063 | Iustin Pop | "run_state": remote_state,
|
4057 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
4058 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
4059 | a8083063 | Iustin Pop | "os": instance.os,
|
4060 | a8083063 | Iustin Pop | "memory": instance.memory,
|
4061 | a8083063 | Iustin Pop | "nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics], |
4062 | a8083063 | Iustin Pop | "disks": disks,
|
4063 | f55ff7ec | Iustin Pop | "vcpus": instance.vcpus,
|
4064 | a8083063 | Iustin Pop | } |
4065 | a8083063 | Iustin Pop | |
4066 | a8340917 | Iustin Pop | htkind = self.sstore.GetHypervisorType()
|
4067 | a8340917 | Iustin Pop | if htkind == constants.HT_XEN_PVM30:
|
4068 | a8340917 | Iustin Pop | idict["kernel_path"] = instance.kernel_path
|
4069 | a8340917 | Iustin Pop | idict["initrd_path"] = instance.initrd_path
|
4070 | a8340917 | Iustin Pop | |
4071 | a8340917 | Iustin Pop | if htkind == constants.HT_XEN_HVM31:
|
4072 | a8340917 | Iustin Pop | idict["hvm_boot_order"] = instance.hvm_boot_order
|
4073 | a8340917 | Iustin Pop | idict["hvm_acpi"] = instance.hvm_acpi
|
4074 | a8340917 | Iustin Pop | idict["hvm_pae"] = instance.hvm_pae
|
4075 | a8340917 | Iustin Pop | idict["hvm_cdrom_image_path"] = instance.hvm_cdrom_image_path
|
4076 | a8340917 | Iustin Pop | |
4077 | a8340917 | Iustin Pop | if htkind in constants.HTS_REQ_PORT: |
4078 | a8340917 | Iustin Pop | idict["vnc_bind_address"] = instance.vnc_bind_address
|
4079 | a8340917 | Iustin Pop | idict["network_port"] = instance.network_port
|
4080 | a8340917 | Iustin Pop | |
4081 | a8083063 | Iustin Pop | result[instance.name] = idict |
4082 | a8083063 | Iustin Pop | |
4083 | a8083063 | Iustin Pop | return result
|
4084 | a8083063 | Iustin Pop | |
4085 | a8083063 | Iustin Pop | |
4086 | 7767bbf5 | Manuel Franceschini | class LUSetInstanceParams(LogicalUnit): |
4087 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
4088 | a8083063 | Iustin Pop |
|
4089 | a8083063 | Iustin Pop | """
|
4090 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
4091 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4092 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
4093 | 1a5c7281 | Guido Trotter | REQ_BGL = False
|
4094 | 1a5c7281 | Guido Trotter | |
4095 | 1a5c7281 | Guido Trotter | def ExpandNames(self): |
4096 | 1a5c7281 | Guido Trotter | self._ExpandAndLockInstance()
|
4097 | a8083063 | Iustin Pop | |
4098 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4099 | a8083063 | Iustin Pop | """Build hooks env.
|
4100 | a8083063 | Iustin Pop |
|
4101 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
4102 | a8083063 | Iustin Pop |
|
4103 | a8083063 | Iustin Pop | """
|
4104 | 396e1b78 | Michael Hanselmann | args = dict()
|
4105 | a8083063 | Iustin Pop | if self.mem: |
4106 | 396e1b78 | Michael Hanselmann | args['memory'] = self.mem |
4107 | a8083063 | Iustin Pop | if self.vcpus: |
4108 | 396e1b78 | Michael Hanselmann | args['vcpus'] = self.vcpus |
4109 | ef756965 | Iustin Pop | if self.do_ip or self.do_bridge or self.mac: |
4110 | 396e1b78 | Michael Hanselmann | if self.do_ip: |
4111 | 396e1b78 | Michael Hanselmann | ip = self.ip
|
4112 | 396e1b78 | Michael Hanselmann | else:
|
4113 | 396e1b78 | Michael Hanselmann | ip = self.instance.nics[0].ip |
4114 | 396e1b78 | Michael Hanselmann | if self.bridge: |
4115 | 396e1b78 | Michael Hanselmann | bridge = self.bridge
|
4116 | 396e1b78 | Michael Hanselmann | else:
|
4117 | 396e1b78 | Michael Hanselmann | bridge = self.instance.nics[0].bridge |
4118 | ef756965 | Iustin Pop | if self.mac: |
4119 | ef756965 | Iustin Pop | mac = self.mac
|
4120 | ef756965 | Iustin Pop | else:
|
4121 | ef756965 | Iustin Pop | mac = self.instance.nics[0].mac |
4122 | ef756965 | Iustin Pop | args['nics'] = [(ip, bridge, mac)]
|
4123 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance, override=args)
|
4124 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
4125 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
4126 | a8083063 | Iustin Pop | return env, nl, nl
|
4127 | a8083063 | Iustin Pop | |
4128 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4129 | a8083063 | Iustin Pop | """Check prerequisites.
|
4130 | a8083063 | Iustin Pop |
|
4131 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
4132 | a8083063 | Iustin Pop |
|
4133 | a8083063 | Iustin Pop | """
|
4134 | 1a5c7281 | Guido Trotter | # FIXME: all the parameters could be checked before, in ExpandNames, or in
|
4135 | 1a5c7281 | Guido Trotter | # a separate CheckArguments function, if we implement one, so the operation
|
4136 | 1a5c7281 | Guido Trotter | # can be aborted without waiting for any lock, should it have an error...
|
4137 | a8083063 | Iustin Pop | self.mem = getattr(self.op, "mem", None) |
4138 | a8083063 | Iustin Pop | self.vcpus = getattr(self.op, "vcpus", None) |
4139 | a8083063 | Iustin Pop | self.ip = getattr(self.op, "ip", None) |
4140 | 1862d460 | Alexander Schreiber | self.mac = getattr(self.op, "mac", None) |
4141 | a8083063 | Iustin Pop | self.bridge = getattr(self.op, "bridge", None) |
4142 | 973d7867 | Iustin Pop | self.kernel_path = getattr(self.op, "kernel_path", None) |
4143 | 973d7867 | Iustin Pop | self.initrd_path = getattr(self.op, "initrd_path", None) |
4144 | 25c5878d | Alexander Schreiber | self.hvm_boot_order = getattr(self.op, "hvm_boot_order", None) |
4145 | 31a853d2 | Iustin Pop | self.hvm_acpi = getattr(self.op, "hvm_acpi", None) |
4146 | 31a853d2 | Iustin Pop | self.hvm_pae = getattr(self.op, "hvm_pae", None) |
4147 | 31a853d2 | Iustin Pop | self.hvm_cdrom_image_path = getattr(self.op, "hvm_cdrom_image_path", None) |
4148 | 31a853d2 | Iustin Pop | self.vnc_bind_address = getattr(self.op, "vnc_bind_address", None) |
4149 | 31a853d2 | Iustin Pop | all_parms = [self.mem, self.vcpus, self.ip, self.bridge, self.mac, |
4150 | 31a853d2 | Iustin Pop | self.kernel_path, self.initrd_path, self.hvm_boot_order, |
4151 | 31a853d2 | Iustin Pop | self.hvm_acpi, self.hvm_pae, self.hvm_cdrom_image_path, |
4152 | 31a853d2 | Iustin Pop | self.vnc_bind_address]
|
4153 | 31a853d2 | Iustin Pop | if all_parms.count(None) == len(all_parms): |
4154 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
4155 | a8083063 | Iustin Pop | if self.mem is not None: |
4156 | a8083063 | Iustin Pop | try:
|
4157 | a8083063 | Iustin Pop | self.mem = int(self.mem) |
4158 | a8083063 | Iustin Pop | except ValueError, err: |
4159 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid memory size: %s" % str(err)) |
4160 | a8083063 | Iustin Pop | if self.vcpus is not None: |
4161 | a8083063 | Iustin Pop | try:
|
4162 | a8083063 | Iustin Pop | self.vcpus = int(self.vcpus) |
4163 | a8083063 | Iustin Pop | except ValueError, err: |
4164 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid vcpus number: %s" % str(err)) |
4165 | a8083063 | Iustin Pop | if self.ip is not None: |
4166 | a8083063 | Iustin Pop | self.do_ip = True |
4167 | a8083063 | Iustin Pop | if self.ip.lower() == "none": |
4168 | a8083063 | Iustin Pop | self.ip = None |
4169 | a8083063 | Iustin Pop | else:
|
4170 | a8083063 | Iustin Pop | if not utils.IsValidIP(self.ip): |
4171 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'." % self.ip) |
4172 | a8083063 | Iustin Pop | else:
|
4173 | a8083063 | Iustin Pop | self.do_ip = False |
4174 | ecb215b5 | Michael Hanselmann | self.do_bridge = (self.bridge is not None) |
4175 | 1862d460 | Alexander Schreiber | if self.mac is not None: |
4176 | 1862d460 | Alexander Schreiber | if self.cfg.IsMacInUse(self.mac): |
4177 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError('MAC address %s already in use in cluster' % |
4178 | 1862d460 | Alexander Schreiber | self.mac)
|
4179 | 1862d460 | Alexander Schreiber | if not utils.IsValidMac(self.mac): |
4180 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError('Invalid MAC address %s' % self.mac) |
4181 | a8083063 | Iustin Pop | |
4182 | 973d7867 | Iustin Pop | if self.kernel_path is not None: |
4183 | 973d7867 | Iustin Pop | self.do_kernel_path = True |
4184 | 973d7867 | Iustin Pop | if self.kernel_path == constants.VALUE_NONE: |
4185 | 973d7867 | Iustin Pop | raise errors.OpPrereqError("Can't set instance to no kernel") |
4186 | 973d7867 | Iustin Pop | |
4187 | 973d7867 | Iustin Pop | if self.kernel_path != constants.VALUE_DEFAULT: |
4188 | 973d7867 | Iustin Pop | if not os.path.isabs(self.kernel_path): |
4189 | ba4b62cf | Iustin Pop | raise errors.OpPrereqError("The kernel path must be an absolute" |
4190 | 973d7867 | Iustin Pop | " filename")
|
4191 | 8cafeb26 | Iustin Pop | else:
|
4192 | 8cafeb26 | Iustin Pop | self.do_kernel_path = False |
4193 | 973d7867 | Iustin Pop | |
4194 | 973d7867 | Iustin Pop | if self.initrd_path is not None: |
4195 | 973d7867 | Iustin Pop | self.do_initrd_path = True |
4196 | 973d7867 | Iustin Pop | if self.initrd_path not in (constants.VALUE_NONE, |
4197 | 973d7867 | Iustin Pop | constants.VALUE_DEFAULT): |
4198 | 2bc22872 | Iustin Pop | if not os.path.isabs(self.initrd_path): |
4199 | ba4b62cf | Iustin Pop | raise errors.OpPrereqError("The initrd path must be an absolute" |
4200 | 973d7867 | Iustin Pop | " filename")
|
4201 | 8cafeb26 | Iustin Pop | else:
|
4202 | 8cafeb26 | Iustin Pop | self.do_initrd_path = False |
4203 | 973d7867 | Iustin Pop | |
4204 | 25c5878d | Alexander Schreiber | # boot order verification
|
4205 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order is not None: |
4206 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order != constants.VALUE_DEFAULT: |
4207 | 25c5878d | Alexander Schreiber | if len(self.hvm_boot_order.strip("acdn")) != 0: |
4208 | 25c5878d | Alexander Schreiber | raise errors.OpPrereqError("invalid boot order specified," |
4209 | 25c5878d | Alexander Schreiber | " must be one or more of [acdn]"
|
4210 | 25c5878d | Alexander Schreiber | " or 'default'")
|
4211 | 25c5878d | Alexander Schreiber | |
4212 | 31a853d2 | Iustin Pop | # hvm_cdrom_image_path verification
|
4213 | 31a853d2 | Iustin Pop | if self.op.hvm_cdrom_image_path is not None: |
4214 | 31a853d2 | Iustin Pop | if not os.path.isabs(self.op.hvm_cdrom_image_path): |
4215 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The path to the HVM CDROM image must" |
4216 | 31a853d2 | Iustin Pop | " be an absolute path or None, not %s" %
|
4217 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
4218 | 31a853d2 | Iustin Pop | if not os.path.isfile(self.op.hvm_cdrom_image_path): |
4219 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The HVM CDROM image must either be a" |
4220 | 31a853d2 | Iustin Pop | " regular file or a symlink pointing to"
|
4221 | 31a853d2 | Iustin Pop | " an existing regular file, not %s" %
|
4222 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
4223 | 31a853d2 | Iustin Pop | |
4224 | 31a853d2 | Iustin Pop | # vnc_bind_address verification
|
4225 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is not None: |
4226 | 31a853d2 | Iustin Pop | if not utils.IsValidIP(self.op.vnc_bind_address): |
4227 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("given VNC bind address '%s' doesn't look" |
4228 | 31a853d2 | Iustin Pop | " like a valid IP address" %
|
4229 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address)
|
4230 | 31a853d2 | Iustin Pop | |
4231 | 1a5c7281 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4232 | 1a5c7281 | Guido Trotter | assert self.instance is not None, \ |
4233 | 1a5c7281 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4234 | a8083063 | Iustin Pop | return
|
4235 | a8083063 | Iustin Pop | |
4236 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4237 | a8083063 | Iustin Pop | """Modifies an instance.
|
4238 | a8083063 | Iustin Pop |
|
4239 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
4240 | a8083063 | Iustin Pop | """
|
4241 | a8083063 | Iustin Pop | result = [] |
4242 | a8083063 | Iustin Pop | instance = self.instance
|
4243 | a8083063 | Iustin Pop | if self.mem: |
4244 | a8083063 | Iustin Pop | instance.memory = self.mem
|
4245 | a8083063 | Iustin Pop | result.append(("mem", self.mem)) |
4246 | a8083063 | Iustin Pop | if self.vcpus: |
4247 | a8083063 | Iustin Pop | instance.vcpus = self.vcpus
|
4248 | a8083063 | Iustin Pop | result.append(("vcpus", self.vcpus)) |
4249 | a8083063 | Iustin Pop | if self.do_ip: |
4250 | a8083063 | Iustin Pop | instance.nics[0].ip = self.ip |
4251 | a8083063 | Iustin Pop | result.append(("ip", self.ip)) |
4252 | a8083063 | Iustin Pop | if self.bridge: |
4253 | a8083063 | Iustin Pop | instance.nics[0].bridge = self.bridge |
4254 | a8083063 | Iustin Pop | result.append(("bridge", self.bridge)) |
4255 | 1862d460 | Alexander Schreiber | if self.mac: |
4256 | 1862d460 | Alexander Schreiber | instance.nics[0].mac = self.mac |
4257 | 1862d460 | Alexander Schreiber | result.append(("mac", self.mac)) |
4258 | 973d7867 | Iustin Pop | if self.do_kernel_path: |
4259 | 973d7867 | Iustin Pop | instance.kernel_path = self.kernel_path
|
4260 | 973d7867 | Iustin Pop | result.append(("kernel_path", self.kernel_path)) |
4261 | 973d7867 | Iustin Pop | if self.do_initrd_path: |
4262 | 973d7867 | Iustin Pop | instance.initrd_path = self.initrd_path
|
4263 | 973d7867 | Iustin Pop | result.append(("initrd_path", self.initrd_path)) |
4264 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order: |
4265 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order == constants.VALUE_DEFAULT: |
4266 | 25c5878d | Alexander Schreiber | instance.hvm_boot_order = None
|
4267 | 25c5878d | Alexander Schreiber | else:
|
4268 | 25c5878d | Alexander Schreiber | instance.hvm_boot_order = self.hvm_boot_order
|
4269 | 25c5878d | Alexander Schreiber | result.append(("hvm_boot_order", self.hvm_boot_order)) |
4270 | 31a853d2 | Iustin Pop | if self.hvm_acpi: |
4271 | ec1ba002 | Iustin Pop | instance.hvm_acpi = self.hvm_acpi
|
4272 | 31a853d2 | Iustin Pop | result.append(("hvm_acpi", self.hvm_acpi)) |
4273 | 31a853d2 | Iustin Pop | if self.hvm_pae: |
4274 | ec1ba002 | Iustin Pop | instance.hvm_pae = self.hvm_pae
|
4275 | 31a853d2 | Iustin Pop | result.append(("hvm_pae", self.hvm_pae)) |
4276 | 31a853d2 | Iustin Pop | if self.hvm_cdrom_image_path: |
4277 | ec1ba002 | Iustin Pop | instance.hvm_cdrom_image_path = self.hvm_cdrom_image_path
|
4278 | 31a853d2 | Iustin Pop | result.append(("hvm_cdrom_image_path", self.hvm_cdrom_image_path)) |
4279 | 31a853d2 | Iustin Pop | if self.vnc_bind_address: |
4280 | 31a853d2 | Iustin Pop | instance.vnc_bind_address = self.vnc_bind_address
|
4281 | 31a853d2 | Iustin Pop | result.append(("vnc_bind_address", self.vnc_bind_address)) |
4282 | a8083063 | Iustin Pop | |
4283 | ea94e1cd | Guido Trotter | self.cfg.Update(instance)
|
4284 | a8083063 | Iustin Pop | |
4285 | a8083063 | Iustin Pop | return result
|
4286 | a8083063 | Iustin Pop | |
4287 | a8083063 | Iustin Pop | |
4288 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
4289 | a8083063 | Iustin Pop | """Query the exports list
|
4290 | a8083063 | Iustin Pop |
|
4291 | a8083063 | Iustin Pop | """
|
4292 | a8083063 | Iustin Pop | _OP_REQP = [] |
4293 | a8083063 | Iustin Pop | |
4294 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4295 | a8083063 | Iustin Pop | """Check that the nodelist contains only existing nodes.
|
4296 | a8083063 | Iustin Pop |
|
4297 | a8083063 | Iustin Pop | """
|
4298 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, getattr(self.op, "nodes", None)) |
4299 | a8083063 | Iustin Pop | |
4300 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4301 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
4302 | a8083063 | Iustin Pop |
|
4303 | a8083063 | Iustin Pop | Returns:
|
4304 | a8083063 | Iustin Pop | a dictionary with the structure node->(export-list)
|
4305 | a8083063 | Iustin Pop | where export-list is a list of the instances exported on
|
4306 | a8083063 | Iustin Pop | that node.
|
4307 | a8083063 | Iustin Pop |
|
4308 | a8083063 | Iustin Pop | """
|
4309 | a7ba5e53 | Iustin Pop | return rpc.call_export_list(self.nodes) |
4310 | a8083063 | Iustin Pop | |
4311 | a8083063 | Iustin Pop | |
4312 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
4313 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4314 | a8083063 | Iustin Pop |
|
4315 | a8083063 | Iustin Pop | """
|
4316 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
4317 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4318 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
4319 | a8083063 | Iustin Pop | |
4320 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4321 | a8083063 | Iustin Pop | """Build hooks env.
|
4322 | a8083063 | Iustin Pop |
|
4323 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
4324 | a8083063 | Iustin Pop |
|
4325 | a8083063 | Iustin Pop | """
|
4326 | a8083063 | Iustin Pop | env = { |
4327 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
4328 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
4329 | a8083063 | Iustin Pop | } |
4330 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
4331 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(), self.instance.primary_node, |
4332 | a8083063 | Iustin Pop | self.op.target_node]
|
4333 | a8083063 | Iustin Pop | return env, nl, nl
|
4334 | a8083063 | Iustin Pop | |
4335 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4336 | a8083063 | Iustin Pop | """Check prerequisites.
|
4337 | a8083063 | Iustin Pop |
|
4338 | 9ac99fda | Guido Trotter | This checks that the instance and node names are valid.
|
4339 | a8083063 | Iustin Pop |
|
4340 | a8083063 | Iustin Pop | """
|
4341 | a8083063 | Iustin Pop | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
4342 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
4343 | a8083063 | Iustin Pop | if self.instance is None: |
4344 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found" % |
4345 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
4346 | a8083063 | Iustin Pop | |
4347 | a8083063 | Iustin Pop | # node verification
|
4348 | a8083063 | Iustin Pop | dst_node_short = self.cfg.ExpandNodeName(self.op.target_node) |
4349 | a8083063 | Iustin Pop | self.dst_node = self.cfg.GetNodeInfo(dst_node_short) |
4350 | a8083063 | Iustin Pop | |
4351 | a8083063 | Iustin Pop | if self.dst_node is None: |
4352 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Destination node '%s' is unknown." % |
4353 | 3ecf6786 | Iustin Pop | self.op.target_node)
|
4354 | a8083063 | Iustin Pop | self.op.target_node = self.dst_node.name |
4355 | a8083063 | Iustin Pop | |
4356 | b6023d6c | Manuel Franceschini | # instance disk type verification
|
4357 | b6023d6c | Manuel Franceschini | for disk in self.instance.disks: |
4358 | b6023d6c | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
4359 | b6023d6c | Manuel Franceschini | raise errors.OpPrereqError("Export not supported for instances with" |
4360 | b6023d6c | Manuel Franceschini | " file-based disks")
|
4361 | b6023d6c | Manuel Franceschini | |
4362 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4363 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4364 | a8083063 | Iustin Pop |
|
4365 | a8083063 | Iustin Pop | """
|
4366 | a8083063 | Iustin Pop | instance = self.instance
|
4367 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
4368 | a8083063 | Iustin Pop | src_node = instance.primary_node |
4369 | a8083063 | Iustin Pop | if self.op.shutdown: |
4370 | fb300fb7 | Guido Trotter | # shutdown the instance, but not the disks
|
4371 | fb300fb7 | Guido Trotter | if not rpc.call_instance_shutdown(src_node, instance): |
4372 | fb300fb7 | Guido Trotter | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
4373 | b4de68a9 | Iustin Pop | (instance.name, src_node)) |
4374 | a8083063 | Iustin Pop | |
4375 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4376 | a8083063 | Iustin Pop | |
4377 | a8083063 | Iustin Pop | snap_disks = [] |
4378 | a8083063 | Iustin Pop | |
4379 | a8083063 | Iustin Pop | try:
|
4380 | a8083063 | Iustin Pop | for disk in instance.disks: |
4381 | a8083063 | Iustin Pop | if disk.iv_name == "sda": |
4382 | a8083063 | Iustin Pop | # new_dev_name will be a snapshot of an lvm leaf of the one we passed
|
4383 | a8083063 | Iustin Pop | new_dev_name = rpc.call_blockdev_snapshot(src_node, disk) |
4384 | a8083063 | Iustin Pop | |
4385 | a8083063 | Iustin Pop | if not new_dev_name: |
4386 | a8083063 | Iustin Pop | logger.Error("could not snapshot block device %s on node %s" %
|
4387 | a8083063 | Iustin Pop | (disk.logical_id[1], src_node))
|
4388 | a8083063 | Iustin Pop | else:
|
4389 | fe96220b | Iustin Pop | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
4390 | a8083063 | Iustin Pop | logical_id=(vgname, new_dev_name), |
4391 | a8083063 | Iustin Pop | physical_id=(vgname, new_dev_name), |
4392 | a8083063 | Iustin Pop | iv_name=disk.iv_name) |
4393 | a8083063 | Iustin Pop | snap_disks.append(new_dev) |
4394 | a8083063 | Iustin Pop | |
4395 | a8083063 | Iustin Pop | finally:
|
4396 | fb300fb7 | Guido Trotter | if self.op.shutdown and instance.status == "up": |
4397 | fb300fb7 | Guido Trotter | if not rpc.call_instance_start(src_node, instance, None): |
4398 | fb300fb7 | Guido Trotter | _ShutdownInstanceDisks(instance, self.cfg)
|
4399 | fb300fb7 | Guido Trotter | raise errors.OpExecError("Could not start instance") |
4400 | a8083063 | Iustin Pop | |
4401 | a8083063 | Iustin Pop | # TODO: check for size
|
4402 | a8083063 | Iustin Pop | |
4403 | a8083063 | Iustin Pop | for dev in snap_disks: |
4404 | 16687b98 | Manuel Franceschini | if not rpc.call_snapshot_export(src_node, dev, dst_node.name, instance): |
4405 | 16687b98 | Manuel Franceschini | logger.Error("could not export block device %s from node %s to node %s"
|
4406 | 16687b98 | Manuel Franceschini | % (dev.logical_id[1], src_node, dst_node.name))
|
4407 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(src_node, dev): |
4408 | 16687b98 | Manuel Franceschini | logger.Error("could not remove snapshot block device %s from node %s" %
|
4409 | 16687b98 | Manuel Franceschini | (dev.logical_id[1], src_node))
|
4410 | a8083063 | Iustin Pop | |
4411 | a8083063 | Iustin Pop | if not rpc.call_finalize_export(dst_node.name, instance, snap_disks): |
4412 | a8083063 | Iustin Pop | logger.Error("could not finalize export for instance %s on node %s" %
|
4413 | a8083063 | Iustin Pop | (instance.name, dst_node.name)) |
4414 | a8083063 | Iustin Pop | |
4415 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
4416 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
4417 | a8083063 | Iustin Pop | |
4418 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
4419 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
4420 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
4421 | a8083063 | Iustin Pop | if nodelist:
|
4422 | a8083063 | Iustin Pop | op = opcodes.OpQueryExports(nodes=nodelist) |
4423 | 5bfac263 | Iustin Pop | exportlist = self.proc.ChainOpCode(op)
|
4424 | a8083063 | Iustin Pop | for node in exportlist: |
4425 | a8083063 | Iustin Pop | if instance.name in exportlist[node]: |
4426 | a8083063 | Iustin Pop | if not rpc.call_export_remove(node, instance.name): |
4427 | a8083063 | Iustin Pop | logger.Error("could not remove older export for instance %s"
|
4428 | a8083063 | Iustin Pop | " on node %s" % (instance.name, node))
|
4429 | 5c947f38 | Iustin Pop | |
4430 | 5c947f38 | Iustin Pop | |
4431 | 9ac99fda | Guido Trotter | class LURemoveExport(NoHooksLU): |
4432 | 9ac99fda | Guido Trotter | """Remove exports related to the named instance.
|
4433 | 9ac99fda | Guido Trotter |
|
4434 | 9ac99fda | Guido Trotter | """
|
4435 | 9ac99fda | Guido Trotter | _OP_REQP = ["instance_name"]
|
4436 | 9ac99fda | Guido Trotter | |
4437 | 9ac99fda | Guido Trotter | def CheckPrereq(self): |
4438 | 9ac99fda | Guido Trotter | """Check prerequisites.
|
4439 | 9ac99fda | Guido Trotter | """
|
4440 | 9ac99fda | Guido Trotter | pass
|
4441 | 9ac99fda | Guido Trotter | |
4442 | 9ac99fda | Guido Trotter | def Exec(self, feedback_fn): |
4443 | 9ac99fda | Guido Trotter | """Remove any export.
|
4444 | 9ac99fda | Guido Trotter |
|
4445 | 9ac99fda | Guido Trotter | """
|
4446 | 9ac99fda | Guido Trotter | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
4447 | 9ac99fda | Guido Trotter | # If the instance was not found we'll try with the name that was passed in.
|
4448 | 9ac99fda | Guido Trotter | # This will only work if it was an FQDN, though.
|
4449 | 9ac99fda | Guido Trotter | fqdn_warn = False
|
4450 | 9ac99fda | Guido Trotter | if not instance_name: |
4451 | 9ac99fda | Guido Trotter | fqdn_warn = True
|
4452 | 9ac99fda | Guido Trotter | instance_name = self.op.instance_name
|
4453 | 9ac99fda | Guido Trotter | |
4454 | 9ac99fda | Guido Trotter | op = opcodes.OpQueryExports(nodes=[]) |
4455 | 9ac99fda | Guido Trotter | exportlist = self.proc.ChainOpCode(op)
|
4456 | 9ac99fda | Guido Trotter | found = False
|
4457 | 9ac99fda | Guido Trotter | for node in exportlist: |
4458 | 9ac99fda | Guido Trotter | if instance_name in exportlist[node]: |
4459 | 9ac99fda | Guido Trotter | found = True
|
4460 | 9ac99fda | Guido Trotter | if not rpc.call_export_remove(node, instance_name): |
4461 | 9ac99fda | Guido Trotter | logger.Error("could not remove export for instance %s"
|
4462 | 9ac99fda | Guido Trotter | " on node %s" % (instance_name, node))
|
4463 | 9ac99fda | Guido Trotter | |
4464 | 9ac99fda | Guido Trotter | if fqdn_warn and not found: |
4465 | 9ac99fda | Guido Trotter | feedback_fn("Export not found. If trying to remove an export belonging"
|
4466 | 9ac99fda | Guido Trotter | " to a deleted instance please use its Fully Qualified"
|
4467 | 9ac99fda | Guido Trotter | " Domain Name.")
|
4468 | 9ac99fda | Guido Trotter | |
4469 | 9ac99fda | Guido Trotter | |
4470 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
4471 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
4472 | 5c947f38 | Iustin Pop |
|
4473 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
4474 | 5c947f38 | Iustin Pop |
|
4475 | 5c947f38 | Iustin Pop | """
|
4476 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4477 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4478 | 5c947f38 | Iustin Pop |
|
4479 | 5c947f38 | Iustin Pop | """
|
4480 | 5c947f38 | Iustin Pop | if self.op.kind == constants.TAG_CLUSTER: |
4481 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetClusterInfo() |
4482 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_NODE: |
4483 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
4484 | 5c947f38 | Iustin Pop | if name is None: |
4485 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
4486 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4487 | 5c947f38 | Iustin Pop | self.op.name = name
|
4488 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetNodeInfo(name) |
4489 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
4490 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
4491 | 5c947f38 | Iustin Pop | if name is None: |
4492 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
4493 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4494 | 5c947f38 | Iustin Pop | self.op.name = name
|
4495 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetInstanceInfo(name) |
4496 | 5c947f38 | Iustin Pop | else:
|
4497 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
4498 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
4499 | 5c947f38 | Iustin Pop | |
4500 | 5c947f38 | Iustin Pop | |
4501 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
4502 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
4503 | 5c947f38 | Iustin Pop |
|
4504 | 5c947f38 | Iustin Pop | """
|
4505 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
4506 | 5c947f38 | Iustin Pop | |
4507 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4508 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
4509 | 5c947f38 | Iustin Pop |
|
4510 | 5c947f38 | Iustin Pop | """
|
4511 | 5d414478 | Oleksiy Mishchenko | return list(self.target.GetTags()) |
4512 | 5c947f38 | Iustin Pop | |
4513 | 5c947f38 | Iustin Pop | |
4514 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
4515 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
4516 | 73415719 | Iustin Pop |
|
4517 | 73415719 | Iustin Pop | """
|
4518 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
4519 | 73415719 | Iustin Pop | |
4520 | 73415719 | Iustin Pop | def CheckPrereq(self): |
4521 | 73415719 | Iustin Pop | """Check prerequisites.
|
4522 | 73415719 | Iustin Pop |
|
4523 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
4524 | 73415719 | Iustin Pop |
|
4525 | 73415719 | Iustin Pop | """
|
4526 | 73415719 | Iustin Pop | try:
|
4527 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
4528 | 73415719 | Iustin Pop | except re.error, err:
|
4529 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
4530 | 73415719 | Iustin Pop | (self.op.pattern, err))
|
4531 | 73415719 | Iustin Pop | |
4532 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
4533 | 73415719 | Iustin Pop | """Returns the tag list.
|
4534 | 73415719 | Iustin Pop |
|
4535 | 73415719 | Iustin Pop | """
|
4536 | 73415719 | Iustin Pop | cfg = self.cfg
|
4537 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
4538 | 73415719 | Iustin Pop | ilist = [cfg.GetInstanceInfo(name) for name in cfg.GetInstanceList()] |
4539 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
4540 | 73415719 | Iustin Pop | nlist = [cfg.GetNodeInfo(name) for name in cfg.GetNodeList()] |
4541 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
4542 | 73415719 | Iustin Pop | results = [] |
4543 | 73415719 | Iustin Pop | for path, target in tgts: |
4544 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
4545 | 73415719 | Iustin Pop | if self.re.search(tag): |
4546 | 73415719 | Iustin Pop | results.append((path, tag)) |
4547 | 73415719 | Iustin Pop | return results
|
4548 | 73415719 | Iustin Pop | |
4549 | 73415719 | Iustin Pop | |
4550 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
4551 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
4552 | 5c947f38 | Iustin Pop |
|
4553 | 5c947f38 | Iustin Pop | """
|
4554 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
4555 | 5c947f38 | Iustin Pop | |
4556 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4557 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4558 | 5c947f38 | Iustin Pop |
|
4559 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
4560 | 5c947f38 | Iustin Pop |
|
4561 | 5c947f38 | Iustin Pop | """
|
4562 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
4563 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4564 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
4565 | 5c947f38 | Iustin Pop | |
4566 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4567 | 5c947f38 | Iustin Pop | """Sets the tag.
|
4568 | 5c947f38 | Iustin Pop |
|
4569 | 5c947f38 | Iustin Pop | """
|
4570 | 5c947f38 | Iustin Pop | try:
|
4571 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4572 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
4573 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
4574 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
4575 | 5c947f38 | Iustin Pop | try:
|
4576 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
4577 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
4578 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
4579 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
4580 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
4581 | 5c947f38 | Iustin Pop | |
4582 | 5c947f38 | Iustin Pop | |
4583 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
4584 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
4585 | 5c947f38 | Iustin Pop |
|
4586 | 5c947f38 | Iustin Pop | """
|
4587 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
4588 | 5c947f38 | Iustin Pop | |
4589 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4590 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4591 | 5c947f38 | Iustin Pop |
|
4592 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
4593 | 5c947f38 | Iustin Pop |
|
4594 | 5c947f38 | Iustin Pop | """
|
4595 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
4596 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4597 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
4598 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
4599 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
4600 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
4601 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
4602 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
4603 | f27302fa | Iustin Pop | diff_names.sort() |
4604 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
4605 | f27302fa | Iustin Pop | (",".join(diff_names)))
|
4606 | 5c947f38 | Iustin Pop | |
4607 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4608 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
4609 | 5c947f38 | Iustin Pop |
|
4610 | 5c947f38 | Iustin Pop | """
|
4611 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4612 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
4613 | 5c947f38 | Iustin Pop | try:
|
4614 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
4615 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
4616 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
4617 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
4618 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
4619 | 06009e27 | Iustin Pop | |
4620 | 0eed6e61 | Guido Trotter | |
4621 | 06009e27 | Iustin Pop | class LUTestDelay(NoHooksLU): |
4622 | 06009e27 | Iustin Pop | """Sleep for a specified amount of time.
|
4623 | 06009e27 | Iustin Pop |
|
4624 | 0b097284 | Guido Trotter | This LU sleeps on the master and/or nodes for a specified amount of
|
4625 | 06009e27 | Iustin Pop | time.
|
4626 | 06009e27 | Iustin Pop |
|
4627 | 06009e27 | Iustin Pop | """
|
4628 | 06009e27 | Iustin Pop | _OP_REQP = ["duration", "on_master", "on_nodes"] |
4629 | fbe9022f | Guido Trotter | REQ_BGL = False
|
4630 | 06009e27 | Iustin Pop | |
4631 | fbe9022f | Guido Trotter | def ExpandNames(self): |
4632 | fbe9022f | Guido Trotter | """Expand names and set required locks.
|
4633 | 06009e27 | Iustin Pop |
|
4634 | fbe9022f | Guido Trotter | This expands the node list, if any.
|
4635 | 06009e27 | Iustin Pop |
|
4636 | 06009e27 | Iustin Pop | """
|
4637 | fbe9022f | Guido Trotter | self.needed_locks = {}
|
4638 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
4639 | fbe9022f | Guido Trotter | # _GetWantedNodes can be used here, but is not always appropriate to use
|
4640 | fbe9022f | Guido Trotter | # this way in ExpandNames. Check LogicalUnit.ExpandNames docstring for
|
4641 | fbe9022f | Guido Trotter | # more information.
|
4642 | 06009e27 | Iustin Pop | self.op.on_nodes = _GetWantedNodes(self, self.op.on_nodes) |
4643 | fbe9022f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = self.op.on_nodes |
4644 | fbe9022f | Guido Trotter | |
4645 | fbe9022f | Guido Trotter | def CheckPrereq(self): |
4646 | fbe9022f | Guido Trotter | """Check prerequisites.
|
4647 | fbe9022f | Guido Trotter |
|
4648 | fbe9022f | Guido Trotter | """
|
4649 | 06009e27 | Iustin Pop | |
4650 | 06009e27 | Iustin Pop | def Exec(self, feedback_fn): |
4651 | 06009e27 | Iustin Pop | """Do the actual sleep.
|
4652 | 06009e27 | Iustin Pop |
|
4653 | 06009e27 | Iustin Pop | """
|
4654 | 06009e27 | Iustin Pop | if self.op.on_master: |
4655 | 06009e27 | Iustin Pop | if not utils.TestDelay(self.op.duration): |
4656 | 06009e27 | Iustin Pop | raise errors.OpExecError("Error during master delay test") |
4657 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
4658 | 06009e27 | Iustin Pop | result = rpc.call_test_delay(self.op.on_nodes, self.op.duration) |
4659 | 06009e27 | Iustin Pop | if not result: |
4660 | 06009e27 | Iustin Pop | raise errors.OpExecError("Complete failure from rpc call") |
4661 | 06009e27 | Iustin Pop | for node, node_result in result.items(): |
4662 | 06009e27 | Iustin Pop | if not node_result: |
4663 | 06009e27 | Iustin Pop | raise errors.OpExecError("Failure during rpc call to node %s," |
4664 | 06009e27 | Iustin Pop | " result: %s" % (node, node_result))
|
4665 | d61df03e | Iustin Pop | |
4666 | d61df03e | Iustin Pop | |
4667 | d1c2dd75 | Iustin Pop | class IAllocator(object): |
4668 | d1c2dd75 | Iustin Pop | """IAllocator framework.
|
4669 | d61df03e | Iustin Pop |
|
4670 | d1c2dd75 | Iustin Pop | An IAllocator instance has three sets of attributes:
|
4671 | d1c2dd75 | Iustin Pop | - cfg/sstore that are needed to query the cluster
|
4672 | d1c2dd75 | Iustin Pop | - input data (all members of the _KEYS class attribute are required)
|
4673 | d1c2dd75 | Iustin Pop | - four buffer attributes (in|out_data|text), that represent the
|
4674 | d1c2dd75 | Iustin Pop | input (to the external script) in text and data structure format,
|
4675 | d1c2dd75 | Iustin Pop | and the output from it, again in two formats
|
4676 | d1c2dd75 | Iustin Pop | - the result variables from the script (success, info, nodes) for
|
4677 | d1c2dd75 | Iustin Pop | easy usage
|
4678 | d61df03e | Iustin Pop |
|
4679 | d61df03e | Iustin Pop | """
|
4680 | 29859cb7 | Iustin Pop | _ALLO_KEYS = [ |
4681 | d1c2dd75 | Iustin Pop | "mem_size", "disks", "disk_template", |
4682 | d1c2dd75 | Iustin Pop | "os", "tags", "nics", "vcpus", |
4683 | d1c2dd75 | Iustin Pop | ] |
4684 | 29859cb7 | Iustin Pop | _RELO_KEYS = [ |
4685 | 29859cb7 | Iustin Pop | "relocate_from",
|
4686 | 29859cb7 | Iustin Pop | ] |
4687 | d1c2dd75 | Iustin Pop | |
4688 | 29859cb7 | Iustin Pop | def __init__(self, cfg, sstore, mode, name, **kwargs): |
4689 | d1c2dd75 | Iustin Pop | self.cfg = cfg
|
4690 | d1c2dd75 | Iustin Pop | self.sstore = sstore
|
4691 | d1c2dd75 | Iustin Pop | # init buffer variables
|
4692 | d1c2dd75 | Iustin Pop | self.in_text = self.out_text = self.in_data = self.out_data = None |
4693 | d1c2dd75 | Iustin Pop | # init all input fields so that pylint is happy
|
4694 | 29859cb7 | Iustin Pop | self.mode = mode
|
4695 | 29859cb7 | Iustin Pop | self.name = name
|
4696 | d1c2dd75 | Iustin Pop | self.mem_size = self.disks = self.disk_template = None |
4697 | d1c2dd75 | Iustin Pop | self.os = self.tags = self.nics = self.vcpus = None |
4698 | 29859cb7 | Iustin Pop | self.relocate_from = None |
4699 | 27579978 | Iustin Pop | # computed fields
|
4700 | 27579978 | Iustin Pop | self.required_nodes = None |
4701 | d1c2dd75 | Iustin Pop | # init result fields
|
4702 | d1c2dd75 | Iustin Pop | self.success = self.info = self.nodes = None |
4703 | 29859cb7 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
4704 | 29859cb7 | Iustin Pop | keyset = self._ALLO_KEYS
|
4705 | 29859cb7 | Iustin Pop | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
4706 | 29859cb7 | Iustin Pop | keyset = self._RELO_KEYS
|
4707 | 29859cb7 | Iustin Pop | else:
|
4708 | 29859cb7 | Iustin Pop | raise errors.ProgrammerError("Unknown mode '%s' passed to the" |
4709 | 29859cb7 | Iustin Pop | " IAllocator" % self.mode) |
4710 | d1c2dd75 | Iustin Pop | for key in kwargs: |
4711 | 29859cb7 | Iustin Pop | if key not in keyset: |
4712 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Invalid input parameter '%s' to" |
4713 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
4714 | d1c2dd75 | Iustin Pop | setattr(self, key, kwargs[key]) |
4715 | 29859cb7 | Iustin Pop | for key in keyset: |
4716 | d1c2dd75 | Iustin Pop | if key not in kwargs: |
4717 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Missing input parameter '%s' to" |
4718 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
4719 | d1c2dd75 | Iustin Pop | self._BuildInputData()
|
4720 | d1c2dd75 | Iustin Pop | |
4721 | d1c2dd75 | Iustin Pop | def _ComputeClusterData(self): |
4722 | d1c2dd75 | Iustin Pop | """Compute the generic allocator input data.
|
4723 | d1c2dd75 | Iustin Pop |
|
4724 | d1c2dd75 | Iustin Pop | This is the data that is independent of the actual operation.
|
4725 | d1c2dd75 | Iustin Pop |
|
4726 | d1c2dd75 | Iustin Pop | """
|
4727 | d1c2dd75 | Iustin Pop | cfg = self.cfg
|
4728 | d1c2dd75 | Iustin Pop | # cluster data
|
4729 | d1c2dd75 | Iustin Pop | data = { |
4730 | d1c2dd75 | Iustin Pop | "version": 1, |
4731 | d1c2dd75 | Iustin Pop | "cluster_name": self.sstore.GetClusterName(), |
4732 | d1c2dd75 | Iustin Pop | "cluster_tags": list(cfg.GetClusterInfo().GetTags()), |
4733 | 6286519f | Iustin Pop | "hypervisor_type": self.sstore.GetHypervisorType(), |
4734 | d1c2dd75 | Iustin Pop | # we don't have job IDs
|
4735 | d61df03e | Iustin Pop | } |
4736 | d61df03e | Iustin Pop | |
4737 | 6286519f | Iustin Pop | i_list = [cfg.GetInstanceInfo(iname) for iname in cfg.GetInstanceList()] |
4738 | 6286519f | Iustin Pop | |
4739 | d1c2dd75 | Iustin Pop | # node data
|
4740 | d1c2dd75 | Iustin Pop | node_results = {} |
4741 | d1c2dd75 | Iustin Pop | node_list = cfg.GetNodeList() |
4742 | d1c2dd75 | Iustin Pop | node_data = rpc.call_node_info(node_list, cfg.GetVGName()) |
4743 | d1c2dd75 | Iustin Pop | for nname in node_list: |
4744 | d1c2dd75 | Iustin Pop | ninfo = cfg.GetNodeInfo(nname) |
4745 | d1c2dd75 | Iustin Pop | if nname not in node_data or not isinstance(node_data[nname], dict): |
4746 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't get data for node %s" % nname) |
4747 | d1c2dd75 | Iustin Pop | remote_info = node_data[nname] |
4748 | b2662e7f | Iustin Pop | for attr in ['memory_total', 'memory_free', 'memory_dom0', |
4749 | 4337cf1b | Iustin Pop | 'vg_size', 'vg_free', 'cpu_total']: |
4750 | d1c2dd75 | Iustin Pop | if attr not in remote_info: |
4751 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' didn't return attribute '%s'" % |
4752 | d1c2dd75 | Iustin Pop | (nname, attr)) |
4753 | d1c2dd75 | Iustin Pop | try:
|
4754 | b2662e7f | Iustin Pop | remote_info[attr] = int(remote_info[attr])
|
4755 | d1c2dd75 | Iustin Pop | except ValueError, err: |
4756 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' returned invalid value for '%s':" |
4757 | d1c2dd75 | Iustin Pop | " %s" % (nname, attr, str(err))) |
4758 | 6286519f | Iustin Pop | # compute memory used by primary instances
|
4759 | 6286519f | Iustin Pop | i_p_mem = i_p_up_mem = 0
|
4760 | 6286519f | Iustin Pop | for iinfo in i_list: |
4761 | 6286519f | Iustin Pop | if iinfo.primary_node == nname:
|
4762 | 6286519f | Iustin Pop | i_p_mem += iinfo.memory |
4763 | 6286519f | Iustin Pop | if iinfo.status == "up": |
4764 | 6286519f | Iustin Pop | i_p_up_mem += iinfo.memory |
4765 | 6286519f | Iustin Pop | |
4766 | b2662e7f | Iustin Pop | # compute memory used by instances
|
4767 | d1c2dd75 | Iustin Pop | pnr = { |
4768 | d1c2dd75 | Iustin Pop | "tags": list(ninfo.GetTags()), |
4769 | b2662e7f | Iustin Pop | "total_memory": remote_info['memory_total'], |
4770 | b2662e7f | Iustin Pop | "reserved_memory": remote_info['memory_dom0'], |
4771 | b2662e7f | Iustin Pop | "free_memory": remote_info['memory_free'], |
4772 | 6286519f | Iustin Pop | "i_pri_memory": i_p_mem,
|
4773 | 6286519f | Iustin Pop | "i_pri_up_memory": i_p_up_mem,
|
4774 | b2662e7f | Iustin Pop | "total_disk": remote_info['vg_size'], |
4775 | b2662e7f | Iustin Pop | "free_disk": remote_info['vg_free'], |
4776 | d1c2dd75 | Iustin Pop | "primary_ip": ninfo.primary_ip,
|
4777 | d1c2dd75 | Iustin Pop | "secondary_ip": ninfo.secondary_ip,
|
4778 | 4337cf1b | Iustin Pop | "total_cpus": remote_info['cpu_total'], |
4779 | d1c2dd75 | Iustin Pop | } |
4780 | d1c2dd75 | Iustin Pop | node_results[nname] = pnr |
4781 | d1c2dd75 | Iustin Pop | data["nodes"] = node_results
|
4782 | d1c2dd75 | Iustin Pop | |
4783 | d1c2dd75 | Iustin Pop | # instance data
|
4784 | d1c2dd75 | Iustin Pop | instance_data = {} |
4785 | 6286519f | Iustin Pop | for iinfo in i_list: |
4786 | d1c2dd75 | Iustin Pop | nic_data = [{"mac": n.mac, "ip": n.ip, "bridge": n.bridge} |
4787 | d1c2dd75 | Iustin Pop | for n in iinfo.nics] |
4788 | d1c2dd75 | Iustin Pop | pir = { |
4789 | d1c2dd75 | Iustin Pop | "tags": list(iinfo.GetTags()), |
4790 | d1c2dd75 | Iustin Pop | "should_run": iinfo.status == "up", |
4791 | d1c2dd75 | Iustin Pop | "vcpus": iinfo.vcpus,
|
4792 | d1c2dd75 | Iustin Pop | "memory": iinfo.memory,
|
4793 | d1c2dd75 | Iustin Pop | "os": iinfo.os,
|
4794 | d1c2dd75 | Iustin Pop | "nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes), |
4795 | d1c2dd75 | Iustin Pop | "nics": nic_data,
|
4796 | d1c2dd75 | Iustin Pop | "disks": [{"size": dsk.size, "mode": "w"} for dsk in iinfo.disks], |
4797 | d1c2dd75 | Iustin Pop | "disk_template": iinfo.disk_template,
|
4798 | d1c2dd75 | Iustin Pop | } |
4799 | 768f0a80 | Iustin Pop | instance_data[iinfo.name] = pir |
4800 | d61df03e | Iustin Pop | |
4801 | d1c2dd75 | Iustin Pop | data["instances"] = instance_data
|
4802 | d61df03e | Iustin Pop | |
4803 | d1c2dd75 | Iustin Pop | self.in_data = data
|
4804 | d61df03e | Iustin Pop | |
4805 | d1c2dd75 | Iustin Pop | def _AddNewInstance(self): |
4806 | d1c2dd75 | Iustin Pop | """Add new instance data to allocator structure.
|
4807 | d61df03e | Iustin Pop |
|
4808 | d1c2dd75 | Iustin Pop | This in combination with _AllocatorGetClusterData will create the
|
4809 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
4810 | d61df03e | Iustin Pop |
|
4811 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
4812 | d1c2dd75 | Iustin Pop | done.
|
4813 | d61df03e | Iustin Pop |
|
4814 | d1c2dd75 | Iustin Pop | """
|
4815 | d1c2dd75 | Iustin Pop | data = self.in_data
|
4816 | d1c2dd75 | Iustin Pop | if len(self.disks) != 2: |
4817 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Only two-disk configurations supported") |
4818 | d1c2dd75 | Iustin Pop | |
4819 | d1c2dd75 | Iustin Pop | disk_space = _ComputeDiskSize(self.disk_template,
|
4820 | d1c2dd75 | Iustin Pop | self.disks[0]["size"], self.disks[1]["size"]) |
4821 | d1c2dd75 | Iustin Pop | |
4822 | 27579978 | Iustin Pop | if self.disk_template in constants.DTS_NET_MIRROR: |
4823 | 27579978 | Iustin Pop | self.required_nodes = 2 |
4824 | 27579978 | Iustin Pop | else:
|
4825 | 27579978 | Iustin Pop | self.required_nodes = 1 |
4826 | d1c2dd75 | Iustin Pop | request = { |
4827 | d1c2dd75 | Iustin Pop | "type": "allocate", |
4828 | d1c2dd75 | Iustin Pop | "name": self.name, |
4829 | d1c2dd75 | Iustin Pop | "disk_template": self.disk_template, |
4830 | d1c2dd75 | Iustin Pop | "tags": self.tags, |
4831 | d1c2dd75 | Iustin Pop | "os": self.os, |
4832 | d1c2dd75 | Iustin Pop | "vcpus": self.vcpus, |
4833 | d1c2dd75 | Iustin Pop | "memory": self.mem_size, |
4834 | d1c2dd75 | Iustin Pop | "disks": self.disks, |
4835 | d1c2dd75 | Iustin Pop | "disk_space_total": disk_space,
|
4836 | d1c2dd75 | Iustin Pop | "nics": self.nics, |
4837 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
4838 | d1c2dd75 | Iustin Pop | } |
4839 | d1c2dd75 | Iustin Pop | data["request"] = request
|
4840 | 298fe380 | Iustin Pop | |
4841 | d1c2dd75 | Iustin Pop | def _AddRelocateInstance(self): |
4842 | d1c2dd75 | Iustin Pop | """Add relocate instance data to allocator structure.
|
4843 | 298fe380 | Iustin Pop |
|
4844 | d1c2dd75 | Iustin Pop | This in combination with _IAllocatorGetClusterData will create the
|
4845 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
4846 | d61df03e | Iustin Pop |
|
4847 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
4848 | d1c2dd75 | Iustin Pop | done.
|
4849 | d61df03e | Iustin Pop |
|
4850 | d1c2dd75 | Iustin Pop | """
|
4851 | 27579978 | Iustin Pop | instance = self.cfg.GetInstanceInfo(self.name) |
4852 | 27579978 | Iustin Pop | if instance is None: |
4853 | 27579978 | Iustin Pop | raise errors.ProgrammerError("Unknown instance '%s' passed to" |
4854 | 27579978 | Iustin Pop | " IAllocator" % self.name) |
4855 | 27579978 | Iustin Pop | |
4856 | 27579978 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
4857 | 27579978 | Iustin Pop | raise errors.OpPrereqError("Can't relocate non-mirrored instances") |
4858 | 27579978 | Iustin Pop | |
4859 | 2a139bb0 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
4860 | 2a139bb0 | Iustin Pop | raise errors.OpPrereqError("Instance has not exactly one secondary node") |
4861 | 2a139bb0 | Iustin Pop | |
4862 | 27579978 | Iustin Pop | self.required_nodes = 1 |
4863 | 27579978 | Iustin Pop | |
4864 | 27579978 | Iustin Pop | disk_space = _ComputeDiskSize(instance.disk_template, |
4865 | 27579978 | Iustin Pop | instance.disks[0].size,
|
4866 | 27579978 | Iustin Pop | instance.disks[1].size)
|
4867 | 27579978 | Iustin Pop | |
4868 | d1c2dd75 | Iustin Pop | request = { |
4869 | 2a139bb0 | Iustin Pop | "type": "relocate", |
4870 | d1c2dd75 | Iustin Pop | "name": self.name, |
4871 | 27579978 | Iustin Pop | "disk_space_total": disk_space,
|
4872 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
4873 | 29859cb7 | Iustin Pop | "relocate_from": self.relocate_from, |
4874 | d1c2dd75 | Iustin Pop | } |
4875 | 27579978 | Iustin Pop | self.in_data["request"] = request |
4876 | d61df03e | Iustin Pop | |
4877 | d1c2dd75 | Iustin Pop | def _BuildInputData(self): |
4878 | d1c2dd75 | Iustin Pop | """Build input data structures.
|
4879 | d61df03e | Iustin Pop |
|
4880 | d1c2dd75 | Iustin Pop | """
|
4881 | d1c2dd75 | Iustin Pop | self._ComputeClusterData()
|
4882 | d61df03e | Iustin Pop | |
4883 | d1c2dd75 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
4884 | d1c2dd75 | Iustin Pop | self._AddNewInstance()
|
4885 | d1c2dd75 | Iustin Pop | else:
|
4886 | d1c2dd75 | Iustin Pop | self._AddRelocateInstance()
|
4887 | d61df03e | Iustin Pop | |
4888 | d1c2dd75 | Iustin Pop | self.in_text = serializer.Dump(self.in_data) |
4889 | d61df03e | Iustin Pop | |
4890 | 8d528b7c | Iustin Pop | def Run(self, name, validate=True, call_fn=rpc.call_iallocator_runner): |
4891 | d1c2dd75 | Iustin Pop | """Run an instance allocator and return the results.
|
4892 | 298fe380 | Iustin Pop |
|
4893 | d1c2dd75 | Iustin Pop | """
|
4894 | d1c2dd75 | Iustin Pop | data = self.in_text
|
4895 | 298fe380 | Iustin Pop | |
4896 | 8d528b7c | Iustin Pop | result = call_fn(self.sstore.GetMasterNode(), name, self.in_text) |
4897 | 298fe380 | Iustin Pop | |
4898 | 8d528b7c | Iustin Pop | if not isinstance(result, tuple) or len(result) != 4: |
4899 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Invalid result from master iallocator runner") |
4900 | 8d528b7c | Iustin Pop | |
4901 | 8d528b7c | Iustin Pop | rcode, stdout, stderr, fail = result |
4902 | 8d528b7c | Iustin Pop | |
4903 | 8d528b7c | Iustin Pop | if rcode == constants.IARUN_NOTFOUND:
|
4904 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Can't find allocator '%s'" % name) |
4905 | 8d528b7c | Iustin Pop | elif rcode == constants.IARUN_FAILURE:
|
4906 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Instance allocator call failed: %s," |
4907 | d1c2dd75 | Iustin Pop | " output: %s" %
|
4908 | 8d528b7c | Iustin Pop | (fail, stdout+stderr)) |
4909 | 8d528b7c | Iustin Pop | self.out_text = stdout
|
4910 | d1c2dd75 | Iustin Pop | if validate:
|
4911 | d1c2dd75 | Iustin Pop | self._ValidateResult()
|
4912 | 298fe380 | Iustin Pop | |
4913 | d1c2dd75 | Iustin Pop | def _ValidateResult(self): |
4914 | d1c2dd75 | Iustin Pop | """Process the allocator results.
|
4915 | 538475ca | Iustin Pop |
|
4916 | d1c2dd75 | Iustin Pop | This will process and if successful save the result in
|
4917 | d1c2dd75 | Iustin Pop | self.out_data and the other parameters.
|
4918 | 538475ca | Iustin Pop |
|
4919 | d1c2dd75 | Iustin Pop | """
|
4920 | d1c2dd75 | Iustin Pop | try:
|
4921 | d1c2dd75 | Iustin Pop | rdict = serializer.Load(self.out_text)
|
4922 | d1c2dd75 | Iustin Pop | except Exception, err: |
4923 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: %s" % str(err)) |
4924 | d1c2dd75 | Iustin Pop | |
4925 | d1c2dd75 | Iustin Pop | if not isinstance(rdict, dict): |
4926 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: not a dict") |
4927 | 538475ca | Iustin Pop | |
4928 | d1c2dd75 | Iustin Pop | for key in "success", "info", "nodes": |
4929 | d1c2dd75 | Iustin Pop | if key not in rdict: |
4930 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results:" |
4931 | d1c2dd75 | Iustin Pop | " missing key '%s'" % key)
|
4932 | d1c2dd75 | Iustin Pop | setattr(self, key, rdict[key]) |
4933 | 538475ca | Iustin Pop | |
4934 | d1c2dd75 | Iustin Pop | if not isinstance(rdict["nodes"], list): |
4935 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: 'nodes' key" |
4936 | d1c2dd75 | Iustin Pop | " is not a list")
|
4937 | d1c2dd75 | Iustin Pop | self.out_data = rdict
|
4938 | 538475ca | Iustin Pop | |
4939 | 538475ca | Iustin Pop | |
4940 | d61df03e | Iustin Pop | class LUTestAllocator(NoHooksLU): |
4941 | d61df03e | Iustin Pop | """Run allocator tests.
|
4942 | d61df03e | Iustin Pop |
|
4943 | d61df03e | Iustin Pop | This LU runs the allocator tests
|
4944 | d61df03e | Iustin Pop |
|
4945 | d61df03e | Iustin Pop | """
|
4946 | d61df03e | Iustin Pop | _OP_REQP = ["direction", "mode", "name"] |
4947 | d61df03e | Iustin Pop | |
4948 | d61df03e | Iustin Pop | def CheckPrereq(self): |
4949 | d61df03e | Iustin Pop | """Check prerequisites.
|
4950 | d61df03e | Iustin Pop |
|
4951 | d61df03e | Iustin Pop | This checks the opcode parameters depending on the director and mode test.
|
4952 | d61df03e | Iustin Pop |
|
4953 | d61df03e | Iustin Pop | """
|
4954 | 298fe380 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
4955 | d61df03e | Iustin Pop | for attr in ["name", "mem_size", "disks", "disk_template", |
4956 | d61df03e | Iustin Pop | "os", "tags", "nics", "vcpus"]: |
4957 | d61df03e | Iustin Pop | if not hasattr(self.op, attr): |
4958 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute '%s' on opcode input" % |
4959 | d61df03e | Iustin Pop | attr) |
4960 | d61df03e | Iustin Pop | iname = self.cfg.ExpandInstanceName(self.op.name) |
4961 | d61df03e | Iustin Pop | if iname is not None: |
4962 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' already in the cluster" % |
4963 | d61df03e | Iustin Pop | iname) |
4964 | d61df03e | Iustin Pop | if not isinstance(self.op.nics, list): |
4965 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'nics'") |
4966 | d61df03e | Iustin Pop | for row in self.op.nics: |
4967 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
4968 | d61df03e | Iustin Pop | "mac" not in row or |
4969 | d61df03e | Iustin Pop | "ip" not in row or |
4970 | d61df03e | Iustin Pop | "bridge" not in row): |
4971 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
4972 | d61df03e | Iustin Pop | " 'nics' parameter")
|
4973 | d61df03e | Iustin Pop | if not isinstance(self.op.disks, list): |
4974 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'disks'") |
4975 | 298fe380 | Iustin Pop | if len(self.op.disks) != 2: |
4976 | 298fe380 | Iustin Pop | raise errors.OpPrereqError("Only two-disk configurations supported") |
4977 | d61df03e | Iustin Pop | for row in self.op.disks: |
4978 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
4979 | d61df03e | Iustin Pop | "size" not in row or |
4980 | d61df03e | Iustin Pop | not isinstance(row["size"], int) or |
4981 | d61df03e | Iustin Pop | "mode" not in row or |
4982 | d61df03e | Iustin Pop | row["mode"] not in ['r', 'w']): |
4983 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
4984 | d61df03e | Iustin Pop | " 'disks' parameter")
|
4985 | 298fe380 | Iustin Pop | elif self.op.mode == constants.IALLOCATOR_MODE_RELOC: |
4986 | d61df03e | Iustin Pop | if not hasattr(self.op, "name"): |
4987 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute 'name' on opcode input") |
4988 | d61df03e | Iustin Pop | fname = self.cfg.ExpandInstanceName(self.op.name) |
4989 | d61df03e | Iustin Pop | if fname is None: |
4990 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found for relocation" % |
4991 | d61df03e | Iustin Pop | self.op.name)
|
4992 | d61df03e | Iustin Pop | self.op.name = fname
|
4993 | 29859cb7 | Iustin Pop | self.relocate_from = self.cfg.GetInstanceInfo(fname).secondary_nodes |
4994 | d61df03e | Iustin Pop | else:
|
4995 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid test allocator mode '%s'" % |
4996 | d61df03e | Iustin Pop | self.op.mode)
|
4997 | d61df03e | Iustin Pop | |
4998 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_OUT: |
4999 | 298fe380 | Iustin Pop | if not hasattr(self.op, "allocator") or self.op.allocator is None: |
5000 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing allocator name") |
5001 | 298fe380 | Iustin Pop | elif self.op.direction != constants.IALLOCATOR_DIR_IN: |
5002 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Wrong allocator test '%s'" % |
5003 | d61df03e | Iustin Pop | self.op.direction)
|
5004 | d61df03e | Iustin Pop | |
5005 | d61df03e | Iustin Pop | def Exec(self, feedback_fn): |
5006 | d61df03e | Iustin Pop | """Run the allocator test.
|
5007 | d61df03e | Iustin Pop |
|
5008 | d61df03e | Iustin Pop | """
|
5009 | 29859cb7 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
5010 | 29859cb7 | Iustin Pop | ial = IAllocator(self.cfg, self.sstore, |
5011 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
5012 | 29859cb7 | Iustin Pop | name=self.op.name,
|
5013 | 29859cb7 | Iustin Pop | mem_size=self.op.mem_size,
|
5014 | 29859cb7 | Iustin Pop | disks=self.op.disks,
|
5015 | 29859cb7 | Iustin Pop | disk_template=self.op.disk_template,
|
5016 | 29859cb7 | Iustin Pop | os=self.op.os,
|
5017 | 29859cb7 | Iustin Pop | tags=self.op.tags,
|
5018 | 29859cb7 | Iustin Pop | nics=self.op.nics,
|
5019 | 29859cb7 | Iustin Pop | vcpus=self.op.vcpus,
|
5020 | 29859cb7 | Iustin Pop | ) |
5021 | 29859cb7 | Iustin Pop | else:
|
5022 | 29859cb7 | Iustin Pop | ial = IAllocator(self.cfg, self.sstore, |
5023 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
5024 | 29859cb7 | Iustin Pop | name=self.op.name,
|
5025 | 29859cb7 | Iustin Pop | relocate_from=list(self.relocate_from), |
5026 | 29859cb7 | Iustin Pop | ) |
5027 | d61df03e | Iustin Pop | |
5028 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_IN: |
5029 | d1c2dd75 | Iustin Pop | result = ial.in_text |
5030 | 298fe380 | Iustin Pop | else:
|
5031 | d1c2dd75 | Iustin Pop | ial.Run(self.op.allocator, validate=False) |
5032 | d1c2dd75 | Iustin Pop | result = ial.out_text |
5033 | 298fe380 | Iustin Pop | return result |