root / lib / cmdlib.py @ 5bf7b5cf
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4 | e7c6e02b | Michael Hanselmann | # Copyright (C) 2006, 2007, 2008 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | 880478f8 | Iustin Pop | """Module implementing the master-side code."""
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23 | a8083063 | Iustin Pop | |
24 | a8083063 | Iustin Pop | # pylint: disable-msg=W0613,W0201
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25 | a8083063 | Iustin Pop | |
26 | a8083063 | Iustin Pop | import os |
27 | a8083063 | Iustin Pop | import os.path |
28 | a8083063 | Iustin Pop | import sha |
29 | a8083063 | Iustin Pop | import time |
30 | a8083063 | Iustin Pop | import tempfile |
31 | a8083063 | Iustin Pop | import re |
32 | a8083063 | Iustin Pop | import platform |
33 | ffa1c0dc | Iustin Pop | import logging |
34 | a8083063 | Iustin Pop | |
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 constants |
42 | a8083063 | Iustin Pop | from ganeti import objects |
43 | a8083063 | Iustin Pop | from ganeti import opcodes |
44 | 8d14b30d | Iustin Pop | from ganeti import serializer |
45 | d61df03e | Iustin Pop | |
46 | d61df03e | Iustin Pop | |
47 | a8083063 | Iustin Pop | class LogicalUnit(object): |
48 | 396e1b78 | Michael Hanselmann | """Logical Unit base class.
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49 | a8083063 | Iustin Pop |
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50 | a8083063 | Iustin Pop | Subclasses must follow these rules:
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51 | d465bdc8 | Guido Trotter | - implement ExpandNames
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52 | d465bdc8 | Guido Trotter | - implement CheckPrereq
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53 | a8083063 | Iustin Pop | - implement Exec
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54 | a8083063 | Iustin Pop | - implement BuildHooksEnv
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55 | a8083063 | Iustin Pop | - redefine HPATH and HTYPE
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56 | 05f86716 | Guido Trotter | - optionally redefine their run requirements:
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57 | 05f86716 | Guido Trotter | REQ_MASTER: the LU needs to run on the master node
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58 | 7e55040e | Guido Trotter | REQ_BGL: the LU needs to hold the Big Ganeti Lock exclusively
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59 | 05f86716 | Guido Trotter |
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60 | 05f86716 | Guido Trotter | Note that all commands require root permissions.
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61 | a8083063 | Iustin Pop |
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62 | a8083063 | Iustin Pop | """
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63 | a8083063 | Iustin Pop | HPATH = None
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64 | a8083063 | Iustin Pop | HTYPE = None
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65 | a8083063 | Iustin Pop | _OP_REQP = [] |
66 | a8083063 | Iustin Pop | REQ_MASTER = True
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67 | 7e55040e | Guido Trotter | REQ_BGL = True
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68 | a8083063 | Iustin Pop | |
69 | 72737a7f | Iustin Pop | def __init__(self, processor, op, context, rpc): |
70 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
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71 | a8083063 | Iustin Pop |
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72 | a8083063 | Iustin Pop | This needs to be overriden in derived classes in order to check op
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73 | a8083063 | Iustin Pop | validity.
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74 | a8083063 | Iustin Pop |
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75 | a8083063 | Iustin Pop | """
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76 | 5bfac263 | Iustin Pop | self.proc = processor
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77 | a8083063 | Iustin Pop | self.op = op
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78 | 77b657a3 | Guido Trotter | self.cfg = context.cfg
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79 | 77b657a3 | Guido Trotter | self.context = context
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80 | 72737a7f | Iustin Pop | self.rpc = rpc
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81 | ca2a79e1 | Guido Trotter | # Dicts used to declare locking needs to mcpu
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82 | d465bdc8 | Guido Trotter | self.needed_locks = None |
83 | 6683bba2 | Guido Trotter | self.acquired_locks = {}
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84 | 3977a4c1 | Guido Trotter | self.share_locks = dict(((i, 0) for i in locking.LEVELS)) |
85 | ca2a79e1 | Guido Trotter | self.add_locks = {}
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86 | ca2a79e1 | Guido Trotter | self.remove_locks = {}
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87 | c4a2fee1 | Guido Trotter | # Used to force good behavior when calling helper functions
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88 | c4a2fee1 | Guido Trotter | self.recalculate_locks = {}
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89 | c92b310a | Michael Hanselmann | self.__ssh = None |
90 | 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 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
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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 | 6b0469d2 | Iustin Pop | self.__ssh = ssh.SshRunner(self.cfg.GetClusterName()) |
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 | e310b019 | Guido Trotter | - If you want all locks at a level use locking.ALL_SET as a value
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131 | d465bdc8 | Guido Trotter |
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132 | 3977a4c1 | Guido Trotter | If you need to share locks (rather than acquire them exclusively) at one
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133 | 3977a4c1 | Guido Trotter | level you can modify self.share_locks, setting a true value (usually 1) for
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134 | 3977a4c1 | Guido Trotter | that level. By default locks are not shared.
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135 | 3977a4c1 | Guido Trotter |
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136 | d465bdc8 | Guido Trotter | Examples:
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137 | d465bdc8 | Guido Trotter | # Acquire all nodes and one instance
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138 | d465bdc8 | Guido Trotter | self.needed_locks = {
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139 | e310b019 | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET,
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140 | 3a5d7305 | Guido Trotter | locking.LEVEL_INSTANCE: ['instance1.example.tld'],
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141 | d465bdc8 | Guido Trotter | }
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142 | d465bdc8 | Guido Trotter | # Acquire just two nodes
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143 | d465bdc8 | Guido Trotter | self.needed_locks = {
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144 | d465bdc8 | Guido Trotter | locking.LEVEL_NODE: ['node1.example.tld', 'node2.example.tld'],
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145 | d465bdc8 | Guido Trotter | }
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146 | d465bdc8 | Guido Trotter | # Acquire no locks
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147 | d465bdc8 | Guido Trotter | self.needed_locks = {} # No, you can't leave it to the default value None
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148 | d465bdc8 | Guido Trotter |
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149 | d465bdc8 | Guido Trotter | """
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150 | d465bdc8 | Guido Trotter | # The implementation of this method is mandatory only if the new LU is
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151 | d465bdc8 | Guido Trotter | # concurrent, so that old LUs don't need to be changed all at the same
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152 | d465bdc8 | Guido Trotter | # time.
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153 | d465bdc8 | Guido Trotter | if self.REQ_BGL: |
154 | d465bdc8 | Guido Trotter | self.needed_locks = {} # Exclusive LUs don't need locks. |
155 | d465bdc8 | Guido Trotter | else:
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156 | d465bdc8 | Guido Trotter | raise NotImplementedError |
157 | d465bdc8 | Guido Trotter | |
158 | fb8dcb62 | Guido Trotter | def DeclareLocks(self, level): |
159 | fb8dcb62 | Guido Trotter | """Declare LU locking needs for a level
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160 | fb8dcb62 | Guido Trotter |
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161 | fb8dcb62 | Guido Trotter | While most LUs can just declare their locking needs at ExpandNames time,
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162 | fb8dcb62 | Guido Trotter | sometimes there's the need to calculate some locks after having acquired
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163 | fb8dcb62 | Guido Trotter | the ones before. This function is called just before acquiring locks at a
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164 | fb8dcb62 | Guido Trotter | particular level, but after acquiring the ones at lower levels, and permits
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165 | fb8dcb62 | Guido Trotter | such calculations. It can be used to modify self.needed_locks, and by
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166 | fb8dcb62 | Guido Trotter | default it does nothing.
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167 | fb8dcb62 | Guido Trotter |
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168 | fb8dcb62 | Guido Trotter | This function is only called if you have something already set in
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169 | fb8dcb62 | Guido Trotter | self.needed_locks for the level.
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170 | fb8dcb62 | Guido Trotter |
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171 | fb8dcb62 | Guido Trotter | @param level: Locking level which is going to be locked
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172 | fb8dcb62 | Guido Trotter | @type level: member of ganeti.locking.LEVELS
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173 | fb8dcb62 | Guido Trotter |
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174 | fb8dcb62 | Guido Trotter | """
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175 | fb8dcb62 | Guido Trotter | |
176 | a8083063 | Iustin Pop | def CheckPrereq(self): |
177 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
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178 | a8083063 | Iustin Pop |
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179 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
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180 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
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181 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
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182 | a8083063 | Iustin Pop | allowed.
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183 | a8083063 | Iustin Pop |
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184 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
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185 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
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186 | a8083063 | Iustin Pop |
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187 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
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188 | d465bdc8 | Guido Trotter | their canonical form if it hasn't been done by ExpandNames before.
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189 | a8083063 | Iustin Pop |
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190 | a8083063 | Iustin Pop | """
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191 | a8083063 | Iustin Pop | raise NotImplementedError |
192 | a8083063 | Iustin Pop | |
193 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
194 | a8083063 | Iustin Pop | """Execute the LU.
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195 | a8083063 | Iustin Pop |
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196 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
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197 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
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198 | a8083063 | Iustin Pop | code, or expected.
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199 | a8083063 | Iustin Pop |
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200 | a8083063 | Iustin Pop | """
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201 | a8083063 | Iustin Pop | raise NotImplementedError |
202 | a8083063 | Iustin Pop | |
203 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
204 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
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205 | a8083063 | Iustin Pop |
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206 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
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207 | a8083063 | Iustin Pop | containing the environment that will be used for running the
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208 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
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209 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
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210 | a8083063 | Iustin Pop | the hook should run after the execution.
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211 | a8083063 | Iustin Pop |
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212 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
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213 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
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214 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
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215 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
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216 | a8083063 | Iustin Pop |
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217 | 8a3fe350 | Guido Trotter | No nodes should be returned as an empty list (and not None).
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218 | a8083063 | Iustin Pop |
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219 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
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220 | a8083063 | Iustin Pop | not be called.
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221 | a8083063 | Iustin Pop |
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222 | a8083063 | Iustin Pop | """
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223 | a8083063 | Iustin Pop | raise NotImplementedError |
224 | a8083063 | Iustin Pop | |
225 | 1fce5219 | Guido Trotter | def HooksCallBack(self, phase, hook_results, feedback_fn, lu_result): |
226 | 1fce5219 | Guido Trotter | """Notify the LU about the results of its hooks.
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227 | 1fce5219 | Guido Trotter |
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228 | 1fce5219 | Guido Trotter | This method is called every time a hooks phase is executed, and notifies
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229 | 1fce5219 | Guido Trotter | the Logical Unit about the hooks' result. The LU can then use it to alter
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230 | 1fce5219 | Guido Trotter | its result based on the hooks. By default the method does nothing and the
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231 | 1fce5219 | Guido Trotter | previous result is passed back unchanged but any LU can define it if it
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232 | 1fce5219 | Guido Trotter | wants to use the local cluster hook-scripts somehow.
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233 | 1fce5219 | Guido Trotter |
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234 | 1fce5219 | Guido Trotter | Args:
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235 | 1fce5219 | Guido Trotter | phase: the hooks phase that has just been run
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236 | 1fce5219 | Guido Trotter | hooks_results: the results of the multi-node hooks rpc call
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237 | 1fce5219 | Guido Trotter | feedback_fn: function to send feedback back to the caller
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238 | 1fce5219 | Guido Trotter | lu_result: the previous result this LU had, or None in the PRE phase.
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239 | 1fce5219 | Guido Trotter |
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240 | 1fce5219 | Guido Trotter | """
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241 | 1fce5219 | Guido Trotter | return lu_result
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242 | 1fce5219 | Guido Trotter | |
243 | 43905206 | Guido Trotter | def _ExpandAndLockInstance(self): |
244 | 43905206 | Guido Trotter | """Helper function to expand and lock an instance.
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245 | 43905206 | Guido Trotter |
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246 | 43905206 | Guido Trotter | Many LUs that work on an instance take its name in self.op.instance_name
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247 | 43905206 | Guido Trotter | and need to expand it and then declare the expanded name for locking. This
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248 | 43905206 | Guido Trotter | function does it, and then updates self.op.instance_name to the expanded
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249 | 43905206 | Guido Trotter | name. It also initializes needed_locks as a dict, if this hasn't been done
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250 | 43905206 | Guido Trotter | before.
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251 | 43905206 | Guido Trotter |
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252 | 43905206 | Guido Trotter | """
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253 | 43905206 | Guido Trotter | if self.needed_locks is None: |
254 | 43905206 | Guido Trotter | self.needed_locks = {}
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255 | 43905206 | Guido Trotter | else:
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256 | 43905206 | Guido Trotter | assert locking.LEVEL_INSTANCE not in self.needed_locks, \ |
257 | 43905206 | Guido Trotter | "_ExpandAndLockInstance called with instance-level locks set"
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258 | 43905206 | Guido Trotter | expanded_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
259 | 43905206 | Guido Trotter | if expanded_name is None: |
260 | 43905206 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
261 | 43905206 | Guido Trotter | self.op.instance_name)
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262 | 43905206 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = expanded_name
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263 | 43905206 | Guido Trotter | self.op.instance_name = expanded_name
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264 | 43905206 | Guido Trotter | |
265 | a82ce292 | Guido Trotter | def _LockInstancesNodes(self, primary_only=False): |
266 | c4a2fee1 | Guido Trotter | """Helper function to declare instances' nodes for locking.
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267 | c4a2fee1 | Guido Trotter |
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268 | c4a2fee1 | Guido Trotter | This function should be called after locking one or more instances to lock
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269 | c4a2fee1 | Guido Trotter | their nodes. Its effect is populating self.needed_locks[locking.LEVEL_NODE]
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270 | c4a2fee1 | Guido Trotter | with all primary or secondary nodes for instances already locked and
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271 | c4a2fee1 | Guido Trotter | present in self.needed_locks[locking.LEVEL_INSTANCE].
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272 | c4a2fee1 | Guido Trotter |
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273 | c4a2fee1 | Guido Trotter | It should be called from DeclareLocks, and for safety only works if
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274 | c4a2fee1 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] is set.
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275 | c4a2fee1 | Guido Trotter |
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276 | c4a2fee1 | Guido Trotter | In the future it may grow parameters to just lock some instance's nodes, or
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277 | c4a2fee1 | Guido Trotter | to just lock primaries or secondary nodes, if needed.
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278 | c4a2fee1 | Guido Trotter |
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279 | c4a2fee1 | Guido Trotter | If should be called in DeclareLocks in a way similar to:
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280 | c4a2fee1 | Guido Trotter |
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281 | c4a2fee1 | Guido Trotter | if level == locking.LEVEL_NODE:
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282 | c4a2fee1 | Guido Trotter | self._LockInstancesNodes()
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283 | c4a2fee1 | Guido Trotter |
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284 | a82ce292 | Guido Trotter | @type primary_only: boolean
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285 | a82ce292 | Guido Trotter | @param primary_only: only lock primary nodes of locked instances
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286 | a82ce292 | Guido Trotter |
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287 | c4a2fee1 | Guido Trotter | """
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288 | c4a2fee1 | Guido Trotter | assert locking.LEVEL_NODE in self.recalculate_locks, \ |
289 | c4a2fee1 | Guido Trotter | "_LockInstancesNodes helper function called with no nodes to recalculate"
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290 | c4a2fee1 | Guido Trotter | |
291 | c4a2fee1 | Guido Trotter | # TODO: check if we're really been called with the instance locks held
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292 | c4a2fee1 | Guido Trotter | |
293 | c4a2fee1 | Guido Trotter | # For now we'll replace self.needed_locks[locking.LEVEL_NODE], but in the
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294 | c4a2fee1 | Guido Trotter | # future we might want to have different behaviors depending on the value
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295 | c4a2fee1 | Guido Trotter | # of self.recalculate_locks[locking.LEVEL_NODE]
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296 | c4a2fee1 | Guido Trotter | wanted_nodes = [] |
297 | 6683bba2 | Guido Trotter | for instance_name in self.acquired_locks[locking.LEVEL_INSTANCE]: |
298 | c4a2fee1 | Guido Trotter | instance = self.context.cfg.GetInstanceInfo(instance_name)
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299 | c4a2fee1 | Guido Trotter | wanted_nodes.append(instance.primary_node) |
300 | a82ce292 | Guido Trotter | if not primary_only: |
301 | a82ce292 | Guido Trotter | wanted_nodes.extend(instance.secondary_nodes) |
302 | 9513b6ab | Guido Trotter | |
303 | 9513b6ab | Guido Trotter | if self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_REPLACE: |
304 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = wanted_nodes
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305 | 9513b6ab | Guido Trotter | elif self.recalculate_locks[locking.LEVEL_NODE] == constants.LOCKS_APPEND: |
306 | 9513b6ab | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].extend(wanted_nodes)
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307 | c4a2fee1 | Guido Trotter | |
308 | c4a2fee1 | Guido Trotter | del self.recalculate_locks[locking.LEVEL_NODE] |
309 | c4a2fee1 | Guido Trotter | |
310 | a8083063 | Iustin Pop | |
311 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
312 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
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313 | a8083063 | Iustin Pop |
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314 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
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315 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
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316 | a8083063 | Iustin Pop |
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317 | a8083063 | Iustin Pop | """
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318 | a8083063 | Iustin Pop | HPATH = None
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319 | a8083063 | Iustin Pop | HTYPE = None
|
320 | a8083063 | Iustin Pop | |
321 | a8083063 | Iustin Pop | |
322 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
323 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
|
324 | 83120a01 | Michael Hanselmann |
|
325 | 83120a01 | Michael Hanselmann | Args:
|
326 | 83120a01 | Michael Hanselmann | nodes: List of nodes (strings) or None for all
|
327 | 83120a01 | Michael Hanselmann |
|
328 | 83120a01 | Michael Hanselmann | """
|
329 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
330 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
331 | dcb93971 | Michael Hanselmann | |
332 | ea47808a | Guido Trotter | if not nodes: |
333 | ea47808a | Guido Trotter | raise errors.ProgrammerError("_GetWantedNodes should only be called with a" |
334 | ea47808a | Guido Trotter | " non-empty list of nodes whose name is to be expanded.")
|
335 | dcb93971 | Michael Hanselmann | |
336 | ea47808a | Guido Trotter | wanted = [] |
337 | ea47808a | Guido Trotter | for name in nodes: |
338 | ea47808a | Guido Trotter | node = lu.cfg.ExpandNodeName(name) |
339 | ea47808a | Guido Trotter | if node is None: |
340 | ea47808a | Guido Trotter | raise errors.OpPrereqError("No such node name '%s'" % name) |
341 | ea47808a | Guido Trotter | wanted.append(node) |
342 | dcb93971 | Michael Hanselmann | |
343 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
344 | 3312b702 | Iustin Pop | |
345 | 3312b702 | Iustin Pop | |
346 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
347 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
|
348 | 3312b702 | Iustin Pop |
|
349 | 3312b702 | Iustin Pop | Args:
|
350 | 3312b702 | Iustin Pop | instances: List of instances (strings) or None for all
|
351 | 3312b702 | Iustin Pop |
|
352 | 3312b702 | Iustin Pop | """
|
353 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
354 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
355 | 3312b702 | Iustin Pop | |
356 | 3312b702 | Iustin Pop | if instances:
|
357 | 3312b702 | Iustin Pop | wanted = [] |
358 | 3312b702 | Iustin Pop | |
359 | 3312b702 | Iustin Pop | for name in instances: |
360 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
361 | 3312b702 | Iustin Pop | if instance is None: |
362 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
363 | 3312b702 | Iustin Pop | wanted.append(instance) |
364 | 3312b702 | Iustin Pop | |
365 | 3312b702 | Iustin Pop | else:
|
366 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetInstanceList() |
367 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
368 | dcb93971 | Michael Hanselmann | |
369 | dcb93971 | Michael Hanselmann | |
370 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
371 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
|
372 | 83120a01 | Michael Hanselmann |
|
373 | 83120a01 | Michael Hanselmann | Args:
|
374 | 83120a01 | Michael Hanselmann | static: Static fields
|
375 | 83120a01 | Michael Hanselmann | dynamic: Dynamic fields
|
376 | 83120a01 | Michael Hanselmann |
|
377 | 83120a01 | Michael Hanselmann | """
|
378 | 83120a01 | Michael Hanselmann | static_fields = frozenset(static)
|
379 | 83120a01 | Michael Hanselmann | dynamic_fields = frozenset(dynamic)
|
380 | dcb93971 | Michael Hanselmann | |
381 | 83120a01 | Michael Hanselmann | all_fields = static_fields | dynamic_fields |
382 | dcb93971 | Michael Hanselmann | |
383 | 83120a01 | Michael Hanselmann | if not all_fields.issuperset(selected): |
384 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
385 | 3ecf6786 | Iustin Pop | % ",".join(frozenset(selected). |
386 | 3ecf6786 | Iustin Pop | difference(all_fields))) |
387 | dcb93971 | Michael Hanselmann | |
388 | dcb93971 | Michael Hanselmann | |
389 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
390 | 396e1b78 | Michael Hanselmann | memory, vcpus, nics): |
391 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from single variables.
|
392 | ecb215b5 | Michael Hanselmann |
|
393 | ecb215b5 | Michael Hanselmann | Args:
|
394 | ecb215b5 | Michael Hanselmann | secondary_nodes: List of secondary nodes as strings
|
395 | 396e1b78 | Michael Hanselmann | """
|
396 | 396e1b78 | Michael Hanselmann | env = { |
397 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
|
398 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
|
399 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
|
400 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
401 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
|
402 | 396e1b78 | Michael Hanselmann | "INSTANCE_STATUS": status,
|
403 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
|
404 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
|
405 | 396e1b78 | Michael Hanselmann | } |
406 | 396e1b78 | Michael Hanselmann | |
407 | 396e1b78 | Michael Hanselmann | if nics:
|
408 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
|
409 | 53e4e875 | Guido Trotter | for idx, (ip, bridge, mac) in enumerate(nics): |
410 | 396e1b78 | Michael Hanselmann | if ip is None: |
411 | 396e1b78 | Michael Hanselmann | ip = ""
|
412 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
|
413 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_BRIDGE" % idx] = bridge
|
414 | 53e4e875 | Guido Trotter | env["INSTANCE_NIC%d_HWADDR" % idx] = mac
|
415 | 396e1b78 | Michael Hanselmann | else:
|
416 | 396e1b78 | Michael Hanselmann | nic_count = 0
|
417 | 396e1b78 | Michael Hanselmann | |
418 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
|
419 | 396e1b78 | Michael Hanselmann | |
420 | 396e1b78 | Michael Hanselmann | return env
|
421 | 396e1b78 | Michael Hanselmann | |
422 | 396e1b78 | Michael Hanselmann | |
423 | 396e1b78 | Michael Hanselmann | def _BuildInstanceHookEnvByObject(instance, override=None): |
424 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
|
425 | ecb215b5 | Michael Hanselmann |
|
426 | ecb215b5 | Michael Hanselmann | Args:
|
427 | ecb215b5 | Michael Hanselmann | instance: objects.Instance object of instance
|
428 | ecb215b5 | Michael Hanselmann | override: dict of values to override
|
429 | ecb215b5 | Michael Hanselmann | """
|
430 | 396e1b78 | Michael Hanselmann | args = { |
431 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
|
432 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
|
433 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
|
434 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
|
435 | 396e1b78 | Michael Hanselmann | 'status': instance.os,
|
436 | 396e1b78 | Michael Hanselmann | 'memory': instance.memory,
|
437 | 396e1b78 | Michael Hanselmann | 'vcpus': instance.vcpus,
|
438 | 53e4e875 | Guido Trotter | 'nics': [(nic.ip, nic.bridge, nic.mac) for nic in instance.nics], |
439 | 396e1b78 | Michael Hanselmann | } |
440 | 396e1b78 | Michael Hanselmann | if override:
|
441 | 396e1b78 | Michael Hanselmann | args.update(override) |
442 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
|
443 | 396e1b78 | Michael Hanselmann | |
444 | 396e1b78 | Michael Hanselmann | |
445 | b9bddb6b | Iustin Pop | def _CheckInstanceBridgesExist(lu, instance): |
446 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
447 | bf6929a2 | Alexander Schreiber |
|
448 | bf6929a2 | Alexander Schreiber | """
|
449 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
450 | bf6929a2 | Alexander Schreiber | brlist = [nic.bridge for nic in instance.nics] |
451 | 72737a7f | Iustin Pop | if not lu.rpc.call_bridges_exist(instance.primary_node, brlist): |
452 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("one or more target bridges %s does not" |
453 | bf6929a2 | Alexander Schreiber | " exist on destination node '%s'" %
|
454 | bf6929a2 | Alexander Schreiber | (brlist, instance.primary_node)) |
455 | bf6929a2 | Alexander Schreiber | |
456 | bf6929a2 | Alexander Schreiber | |
457 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
458 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
459 | a8083063 | Iustin Pop |
|
460 | a8083063 | Iustin Pop | """
|
461 | a8083063 | Iustin Pop | _OP_REQP = [] |
462 | a8083063 | Iustin Pop | |
463 | a8083063 | Iustin Pop | def CheckPrereq(self): |
464 | a8083063 | Iustin Pop | """Check prerequisites.
|
465 | a8083063 | Iustin Pop |
|
466 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
467 | a8083063 | Iustin Pop |
|
468 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
469 | a8083063 | Iustin Pop |
|
470 | a8083063 | Iustin Pop | """
|
471 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
472 | a8083063 | Iustin Pop | |
473 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
474 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
475 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
476 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
477 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
478 | db915bd1 | Michael Hanselmann | if instancelist:
|
479 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
480 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
481 | a8083063 | Iustin Pop | |
482 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
483 | a8083063 | Iustin Pop | """Destroys the cluster.
|
484 | a8083063 | Iustin Pop |
|
485 | a8083063 | Iustin Pop | """
|
486 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
487 | 72737a7f | Iustin Pop | if not self.rpc.call_node_stop_master(master, False): |
488 | c9064964 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
489 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
490 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(priv_key) |
491 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(pub_key) |
492 | 140aa4a8 | Iustin Pop | return master
|
493 | a8083063 | Iustin Pop | |
494 | a8083063 | Iustin Pop | |
495 | d8fff41c | Guido Trotter | class LUVerifyCluster(LogicalUnit): |
496 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
497 | a8083063 | Iustin Pop |
|
498 | a8083063 | Iustin Pop | """
|
499 | d8fff41c | Guido Trotter | HPATH = "cluster-verify"
|
500 | d8fff41c | Guido Trotter | HTYPE = constants.HTYPE_CLUSTER |
501 | e54c4c5e | Guido Trotter | _OP_REQP = ["skip_checks"]
|
502 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
503 | d4b9d97f | Guido Trotter | |
504 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
505 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
506 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
507 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
508 | d4b9d97f | Guido Trotter | } |
509 | d4b9d97f | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
510 | a8083063 | Iustin Pop | |
511 | a8083063 | Iustin Pop | def _VerifyNode(self, node, file_list, local_cksum, vglist, node_result, |
512 | a8083063 | Iustin Pop | remote_version, feedback_fn): |
513 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
514 | a8083063 | Iustin Pop |
|
515 | a8083063 | Iustin Pop | Test list:
|
516 | a8083063 | Iustin Pop | - compares ganeti version
|
517 | a8083063 | Iustin Pop | - checks vg existance and size > 20G
|
518 | a8083063 | Iustin Pop | - checks config file checksum
|
519 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
520 | a8083063 | Iustin Pop |
|
521 | a8083063 | Iustin Pop | Args:
|
522 | a8083063 | Iustin Pop | node: name of the node to check
|
523 | a8083063 | Iustin Pop | file_list: required list of files
|
524 | a8083063 | Iustin Pop | local_cksum: dictionary of local files and their checksums
|
525 | 098c0958 | Michael Hanselmann |
|
526 | a8083063 | Iustin Pop | """
|
527 | a8083063 | Iustin Pop | # compares ganeti version
|
528 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
529 | a8083063 | Iustin Pop | if not remote_version: |
530 | c840ae6f | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
531 | a8083063 | Iustin Pop | return True |
532 | a8083063 | Iustin Pop | |
533 | a8083063 | Iustin Pop | if local_version != remote_version:
|
534 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
|
535 | a8083063 | Iustin Pop | (local_version, node, remote_version)) |
536 | a8083063 | Iustin Pop | return True |
537 | a8083063 | Iustin Pop | |
538 | a8083063 | Iustin Pop | # checks vg existance and size > 20G
|
539 | a8083063 | Iustin Pop | |
540 | a8083063 | Iustin Pop | bad = False
|
541 | a8083063 | Iustin Pop | if not vglist: |
542 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
543 | a8083063 | Iustin Pop | (node,)) |
544 | a8083063 | Iustin Pop | bad = True
|
545 | a8083063 | Iustin Pop | else:
|
546 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist, self.cfg.GetVGName(),
|
547 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
548 | a8083063 | Iustin Pop | if vgstatus:
|
549 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
550 | a8083063 | Iustin Pop | bad = True
|
551 | a8083063 | Iustin Pop | |
552 | 2eb78bc8 | Guido Trotter | if not node_result: |
553 | 2eb78bc8 | Guido Trotter | feedback_fn(" - ERROR: unable to verify node %s." % (node,))
|
554 | 2eb78bc8 | Guido Trotter | return True |
555 | 2eb78bc8 | Guido Trotter | |
556 | a8083063 | Iustin Pop | # checks config file checksum
|
557 | a8083063 | Iustin Pop | # checks ssh to any
|
558 | a8083063 | Iustin Pop | |
559 | a8083063 | Iustin Pop | if 'filelist' not in node_result: |
560 | a8083063 | Iustin Pop | bad = True
|
561 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
562 | a8083063 | Iustin Pop | else:
|
563 | a8083063 | Iustin Pop | remote_cksum = node_result['filelist']
|
564 | a8083063 | Iustin Pop | for file_name in file_list: |
565 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
566 | a8083063 | Iustin Pop | bad = True
|
567 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
568 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
569 | a8083063 | Iustin Pop | bad = True
|
570 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
571 | a8083063 | Iustin Pop | |
572 | a8083063 | Iustin Pop | if 'nodelist' not in node_result: |
573 | a8083063 | Iustin Pop | bad = True
|
574 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node ssh connectivity data")
|
575 | a8083063 | Iustin Pop | else:
|
576 | a8083063 | Iustin Pop | if node_result['nodelist']: |
577 | a8083063 | Iustin Pop | bad = True
|
578 | a8083063 | Iustin Pop | for node in node_result['nodelist']: |
579 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: ssh communication with node '%s': %s" %
|
580 | a8083063 | Iustin Pop | (node, node_result['nodelist'][node]))
|
581 | 9d4bfc96 | Iustin Pop | if 'node-net-test' not in node_result: |
582 | 9d4bfc96 | Iustin Pop | bad = True
|
583 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node tcp connectivity data")
|
584 | 9d4bfc96 | Iustin Pop | else:
|
585 | 9d4bfc96 | Iustin Pop | if node_result['node-net-test']: |
586 | 9d4bfc96 | Iustin Pop | bad = True
|
587 | 9d4bfc96 | Iustin Pop | nlist = utils.NiceSort(node_result['node-net-test'].keys())
|
588 | 9d4bfc96 | Iustin Pop | for node in nlist: |
589 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: tcp communication with node '%s': %s" %
|
590 | 9d4bfc96 | Iustin Pop | (node, node_result['node-net-test'][node]))
|
591 | 9d4bfc96 | Iustin Pop | |
592 | a8083063 | Iustin Pop | hyp_result = node_result.get('hypervisor', None) |
593 | e69d05fd | Iustin Pop | if isinstance(hyp_result, dict): |
594 | e69d05fd | Iustin Pop | for hv_name, hv_result in hyp_result.iteritems(): |
595 | e69d05fd | Iustin Pop | if hv_result is not None: |
596 | e69d05fd | Iustin Pop | feedback_fn(" - ERROR: hypervisor %s verify failure: '%s'" %
|
597 | e69d05fd | Iustin Pop | (hv_name, hv_result)) |
598 | a8083063 | Iustin Pop | return bad
|
599 | a8083063 | Iustin Pop | |
600 | c5705f58 | Guido Trotter | def _VerifyInstance(self, instance, instanceconfig, node_vol_is, |
601 | c5705f58 | Guido Trotter | node_instance, feedback_fn): |
602 | a8083063 | Iustin Pop | """Verify an instance.
|
603 | a8083063 | Iustin Pop |
|
604 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
605 | a8083063 | Iustin Pop | available on the instance's node.
|
606 | a8083063 | Iustin Pop |
|
607 | a8083063 | Iustin Pop | """
|
608 | a8083063 | Iustin Pop | bad = False
|
609 | a8083063 | Iustin Pop | |
610 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
611 | a8083063 | Iustin Pop | |
612 | a8083063 | Iustin Pop | node_vol_should = {} |
613 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
614 | a8083063 | Iustin Pop | |
615 | a8083063 | Iustin Pop | for node in node_vol_should: |
616 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
617 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
618 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
619 | a8083063 | Iustin Pop | (volume, node)) |
620 | a8083063 | Iustin Pop | bad = True
|
621 | a8083063 | Iustin Pop | |
622 | a8083063 | Iustin Pop | if not instanceconfig.status == 'down': |
623 | a872dae6 | Guido Trotter | if (node_current not in node_instance or |
624 | a872dae6 | Guido Trotter | not instance in node_instance[node_current]): |
625 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
626 | a8083063 | Iustin Pop | (instance, node_current)) |
627 | a8083063 | Iustin Pop | bad = True
|
628 | a8083063 | Iustin Pop | |
629 | a8083063 | Iustin Pop | for node in node_instance: |
630 | a8083063 | Iustin Pop | if (not node == node_current): |
631 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
632 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
633 | a8083063 | Iustin Pop | (instance, node)) |
634 | a8083063 | Iustin Pop | bad = True
|
635 | a8083063 | Iustin Pop | |
636 | 6a438c98 | Michael Hanselmann | return bad
|
637 | a8083063 | Iustin Pop | |
638 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
639 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
640 | a8083063 | Iustin Pop |
|
641 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
642 | a8083063 | Iustin Pop | reported as unknown.
|
643 | a8083063 | Iustin Pop |
|
644 | a8083063 | Iustin Pop | """
|
645 | a8083063 | Iustin Pop | bad = False
|
646 | a8083063 | Iustin Pop | |
647 | a8083063 | Iustin Pop | for node in node_vol_is: |
648 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
649 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
650 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
651 | a8083063 | Iustin Pop | (volume, node)) |
652 | a8083063 | Iustin Pop | bad = True
|
653 | a8083063 | Iustin Pop | return bad
|
654 | a8083063 | Iustin Pop | |
655 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
656 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
657 | a8083063 | Iustin Pop |
|
658 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
659 | a8083063 | Iustin Pop |
|
660 | a8083063 | Iustin Pop | """
|
661 | a8083063 | Iustin Pop | bad = False
|
662 | a8083063 | Iustin Pop | for node in node_instance: |
663 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
664 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
665 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
666 | a8083063 | Iustin Pop | (runninginstance, node)) |
667 | a8083063 | Iustin Pop | bad = True
|
668 | a8083063 | Iustin Pop | return bad
|
669 | a8083063 | Iustin Pop | |
670 | 2b3b6ddd | Guido Trotter | def _VerifyNPlusOneMemory(self, node_info, instance_cfg, feedback_fn): |
671 | 2b3b6ddd | Guido Trotter | """Verify N+1 Memory Resilience.
|
672 | 2b3b6ddd | Guido Trotter |
|
673 | 2b3b6ddd | Guido Trotter | Check that if one single node dies we can still start all the instances it
|
674 | 2b3b6ddd | Guido Trotter | was primary for.
|
675 | 2b3b6ddd | Guido Trotter |
|
676 | 2b3b6ddd | Guido Trotter | """
|
677 | 2b3b6ddd | Guido Trotter | bad = False
|
678 | 2b3b6ddd | Guido Trotter | |
679 | 2b3b6ddd | Guido Trotter | for node, nodeinfo in node_info.iteritems(): |
680 | 2b3b6ddd | Guido Trotter | # This code checks that every node which is now listed as secondary has
|
681 | 2b3b6ddd | Guido Trotter | # enough memory to host all instances it is supposed to should a single
|
682 | 2b3b6ddd | Guido Trotter | # other node in the cluster fail.
|
683 | 2b3b6ddd | Guido Trotter | # FIXME: not ready for failover to an arbitrary node
|
684 | 2b3b6ddd | Guido Trotter | # FIXME: does not support file-backed instances
|
685 | 2b3b6ddd | Guido Trotter | # WARNING: we currently take into account down instances as well as up
|
686 | 2b3b6ddd | Guido Trotter | # ones, considering that even if they're down someone might want to start
|
687 | 2b3b6ddd | Guido Trotter | # them even in the event of a node failure.
|
688 | 2b3b6ddd | Guido Trotter | for prinode, instances in nodeinfo['sinst-by-pnode'].iteritems(): |
689 | 2b3b6ddd | Guido Trotter | needed_mem = 0
|
690 | 2b3b6ddd | Guido Trotter | for instance in instances: |
691 | 2b3b6ddd | Guido Trotter | needed_mem += instance_cfg[instance].memory |
692 | 2b3b6ddd | Guido Trotter | if nodeinfo['mfree'] < needed_mem: |
693 | 2b3b6ddd | Guido Trotter | feedback_fn(" - ERROR: not enough memory on node %s to accomodate"
|
694 | 2b3b6ddd | Guido Trotter | " failovers should node %s fail" % (node, prinode))
|
695 | 2b3b6ddd | Guido Trotter | bad = True
|
696 | 2b3b6ddd | Guido Trotter | return bad
|
697 | 2b3b6ddd | Guido Trotter | |
698 | a8083063 | Iustin Pop | def CheckPrereq(self): |
699 | a8083063 | Iustin Pop | """Check prerequisites.
|
700 | a8083063 | Iustin Pop |
|
701 | e54c4c5e | Guido Trotter | Transform the list of checks we're going to skip into a set and check that
|
702 | e54c4c5e | Guido Trotter | all its members are valid.
|
703 | a8083063 | Iustin Pop |
|
704 | a8083063 | Iustin Pop | """
|
705 | e54c4c5e | Guido Trotter | self.skip_set = frozenset(self.op.skip_checks) |
706 | e54c4c5e | Guido Trotter | if not constants.VERIFY_OPTIONAL_CHECKS.issuperset(self.skip_set): |
707 | e54c4c5e | Guido Trotter | raise errors.OpPrereqError("Invalid checks to be skipped specified") |
708 | a8083063 | Iustin Pop | |
709 | d8fff41c | Guido Trotter | def BuildHooksEnv(self): |
710 | d8fff41c | Guido Trotter | """Build hooks env.
|
711 | d8fff41c | Guido Trotter |
|
712 | d8fff41c | Guido Trotter | Cluster-Verify hooks just rone in the post phase and their failure makes
|
713 | d8fff41c | Guido Trotter | the output be logged in the verify output and the verification to fail.
|
714 | d8fff41c | Guido Trotter |
|
715 | d8fff41c | Guido Trotter | """
|
716 | d8fff41c | Guido Trotter | all_nodes = self.cfg.GetNodeList()
|
717 | d8fff41c | Guido Trotter | # TODO: populate the environment with useful information for verify hooks
|
718 | d8fff41c | Guido Trotter | env = {} |
719 | d8fff41c | Guido Trotter | return env, [], all_nodes
|
720 | d8fff41c | Guido Trotter | |
721 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
722 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
723 | a8083063 | Iustin Pop |
|
724 | a8083063 | Iustin Pop | """
|
725 | a8083063 | Iustin Pop | bad = False
|
726 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
727 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
728 | 8522ceeb | Iustin Pop | feedback_fn(" - ERROR: %s" % msg)
|
729 | a8083063 | Iustin Pop | |
730 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
731 | e69d05fd | Iustin Pop | hypervisors = self.cfg.GetClusterInfo().enabled_hypervisors
|
732 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
733 | 9d4bfc96 | Iustin Pop | nodeinfo = [self.cfg.GetNodeInfo(nname) for nname in nodelist] |
734 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
735 | 93e4c50b | Guido Trotter | i_non_redundant = [] # Non redundant instances
|
736 | a8083063 | Iustin Pop | node_volume = {} |
737 | a8083063 | Iustin Pop | node_instance = {} |
738 | 9c9c7d30 | Guido Trotter | node_info = {} |
739 | 26b6af5e | Guido Trotter | instance_cfg = {} |
740 | a8083063 | Iustin Pop | |
741 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
742 | a8083063 | Iustin Pop | # do local checksums
|
743 | d6a02168 | Michael Hanselmann | file_names = [] |
744 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
745 | cb91d46e | Iustin Pop | file_names.append(constants.CLUSTER_CONF_FILE) |
746 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
747 | a8083063 | Iustin Pop | |
748 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
749 | 72737a7f | Iustin Pop | all_volumeinfo = self.rpc.call_volume_list(nodelist, vg_name)
|
750 | 72737a7f | Iustin Pop | all_instanceinfo = self.rpc.call_instance_list(nodelist, hypervisors)
|
751 | 72737a7f | Iustin Pop | all_vglist = self.rpc.call_vg_list(nodelist)
|
752 | a8083063 | Iustin Pop | node_verify_param = { |
753 | a8083063 | Iustin Pop | 'filelist': file_names,
|
754 | a8083063 | Iustin Pop | 'nodelist': nodelist,
|
755 | e69d05fd | Iustin Pop | 'hypervisor': hypervisors,
|
756 | 9d4bfc96 | Iustin Pop | 'node-net-test': [(node.name, node.primary_ip, node.secondary_ip)
|
757 | 9d4bfc96 | Iustin Pop | for node in nodeinfo] |
758 | a8083063 | Iustin Pop | } |
759 | 72737a7f | Iustin Pop | all_nvinfo = self.rpc.call_node_verify(nodelist, node_verify_param,
|
760 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
761 | 72737a7f | Iustin Pop | all_rversion = self.rpc.call_version(nodelist)
|
762 | 72737a7f | Iustin Pop | all_ninfo = self.rpc.call_node_info(nodelist, self.cfg.GetVGName(), |
763 | 72737a7f | Iustin Pop | self.cfg.GetHypervisorType())
|
764 | a8083063 | Iustin Pop | |
765 | a8083063 | Iustin Pop | for node in nodelist: |
766 | a8083063 | Iustin Pop | feedback_fn("* Verifying node %s" % node)
|
767 | a8083063 | Iustin Pop | result = self._VerifyNode(node, file_names, local_checksums,
|
768 | a8083063 | Iustin Pop | all_vglist[node], all_nvinfo[node], |
769 | a8083063 | Iustin Pop | all_rversion[node], feedback_fn) |
770 | a8083063 | Iustin Pop | bad = bad or result
|
771 | a8083063 | Iustin Pop | |
772 | a8083063 | Iustin Pop | # node_volume
|
773 | a8083063 | Iustin Pop | volumeinfo = all_volumeinfo[node] |
774 | a8083063 | Iustin Pop | |
775 | b63ed789 | Iustin Pop | if isinstance(volumeinfo, basestring): |
776 | b63ed789 | Iustin Pop | feedback_fn(" - ERROR: LVM problem on node %s: %s" %
|
777 | b63ed789 | Iustin Pop | (node, volumeinfo[-400:].encode('string_escape'))) |
778 | b63ed789 | Iustin Pop | bad = True
|
779 | b63ed789 | Iustin Pop | node_volume[node] = {} |
780 | b63ed789 | Iustin Pop | elif not isinstance(volumeinfo, dict): |
781 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
782 | a8083063 | Iustin Pop | bad = True
|
783 | a8083063 | Iustin Pop | continue
|
784 | b63ed789 | Iustin Pop | else:
|
785 | b63ed789 | Iustin Pop | node_volume[node] = volumeinfo |
786 | a8083063 | Iustin Pop | |
787 | a8083063 | Iustin Pop | # node_instance
|
788 | a8083063 | Iustin Pop | nodeinstance = all_instanceinfo[node] |
789 | a8083063 | Iustin Pop | if type(nodeinstance) != list: |
790 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
791 | a8083063 | Iustin Pop | bad = True
|
792 | a8083063 | Iustin Pop | continue
|
793 | a8083063 | Iustin Pop | |
794 | a8083063 | Iustin Pop | node_instance[node] = nodeinstance |
795 | a8083063 | Iustin Pop | |
796 | 9c9c7d30 | Guido Trotter | # node_info
|
797 | 9c9c7d30 | Guido Trotter | nodeinfo = all_ninfo[node] |
798 | 9c9c7d30 | Guido Trotter | if not isinstance(nodeinfo, dict): |
799 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
800 | 9c9c7d30 | Guido Trotter | bad = True
|
801 | 9c9c7d30 | Guido Trotter | continue
|
802 | 9c9c7d30 | Guido Trotter | |
803 | 9c9c7d30 | Guido Trotter | try:
|
804 | 9c9c7d30 | Guido Trotter | node_info[node] = { |
805 | 9c9c7d30 | Guido Trotter | "mfree": int(nodeinfo['memory_free']), |
806 | 9c9c7d30 | Guido Trotter | "dfree": int(nodeinfo['vg_free']), |
807 | 93e4c50b | Guido Trotter | "pinst": [],
|
808 | 93e4c50b | Guido Trotter | "sinst": [],
|
809 | 36e7da50 | Guido Trotter | # dictionary holding all instances this node is secondary for,
|
810 | 36e7da50 | Guido Trotter | # grouped by their primary node. Each key is a cluster node, and each
|
811 | 36e7da50 | Guido Trotter | # value is a list of instances which have the key as primary and the
|
812 | 36e7da50 | Guido Trotter | # current node as secondary. this is handy to calculate N+1 memory
|
813 | 36e7da50 | Guido Trotter | # availability if you can only failover from a primary to its
|
814 | 36e7da50 | Guido Trotter | # secondary.
|
815 | 36e7da50 | Guido Trotter | "sinst-by-pnode": {},
|
816 | 9c9c7d30 | Guido Trotter | } |
817 | 9c9c7d30 | Guido Trotter | except ValueError: |
818 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: invalid value returned from node %s" % (node,))
|
819 | 9c9c7d30 | Guido Trotter | bad = True
|
820 | 9c9c7d30 | Guido Trotter | continue
|
821 | 9c9c7d30 | Guido Trotter | |
822 | a8083063 | Iustin Pop | node_vol_should = {} |
823 | a8083063 | Iustin Pop | |
824 | a8083063 | Iustin Pop | for instance in instancelist: |
825 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
826 | a8083063 | Iustin Pop | inst_config = self.cfg.GetInstanceInfo(instance)
|
827 | c5705f58 | Guido Trotter | result = self._VerifyInstance(instance, inst_config, node_volume,
|
828 | c5705f58 | Guido Trotter | node_instance, feedback_fn) |
829 | c5705f58 | Guido Trotter | bad = bad or result
|
830 | a8083063 | Iustin Pop | |
831 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
832 | a8083063 | Iustin Pop | |
833 | 26b6af5e | Guido Trotter | instance_cfg[instance] = inst_config |
834 | 26b6af5e | Guido Trotter | |
835 | 93e4c50b | Guido Trotter | pnode = inst_config.primary_node |
836 | 93e4c50b | Guido Trotter | if pnode in node_info: |
837 | 93e4c50b | Guido Trotter | node_info[pnode]['pinst'].append(instance)
|
838 | 93e4c50b | Guido Trotter | else:
|
839 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to primary node"
|
840 | 93e4c50b | Guido Trotter | " %s failed" % (instance, pnode))
|
841 | 93e4c50b | Guido Trotter | bad = True
|
842 | 93e4c50b | Guido Trotter | |
843 | 93e4c50b | Guido Trotter | # If the instance is non-redundant we cannot survive losing its primary
|
844 | 93e4c50b | Guido Trotter | # node, so we are not N+1 compliant. On the other hand we have no disk
|
845 | 93e4c50b | Guido Trotter | # templates with more than one secondary so that situation is not well
|
846 | 93e4c50b | Guido Trotter | # supported either.
|
847 | 93e4c50b | Guido Trotter | # FIXME: does not support file-backed instances
|
848 | 93e4c50b | Guido Trotter | if len(inst_config.secondary_nodes) == 0: |
849 | 93e4c50b | Guido Trotter | i_non_redundant.append(instance) |
850 | 93e4c50b | Guido Trotter | elif len(inst_config.secondary_nodes) > 1: |
851 | 93e4c50b | Guido Trotter | feedback_fn(" - WARNING: multiple secondaries for instance %s"
|
852 | 93e4c50b | Guido Trotter | % instance) |
853 | 93e4c50b | Guido Trotter | |
854 | 93e4c50b | Guido Trotter | for snode in inst_config.secondary_nodes: |
855 | 93e4c50b | Guido Trotter | if snode in node_info: |
856 | 93e4c50b | Guido Trotter | node_info[snode]['sinst'].append(instance)
|
857 | 36e7da50 | Guido Trotter | if pnode not in node_info[snode]['sinst-by-pnode']: |
858 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode] = []
|
859 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode].append(instance)
|
860 | 93e4c50b | Guido Trotter | else:
|
861 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to secondary node"
|
862 | 93e4c50b | Guido Trotter | " %s failed" % (instance, snode))
|
863 | 93e4c50b | Guido Trotter | |
864 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
865 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
866 | a8083063 | Iustin Pop | feedback_fn) |
867 | a8083063 | Iustin Pop | bad = bad or result
|
868 | a8083063 | Iustin Pop | |
869 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
870 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
871 | a8083063 | Iustin Pop | feedback_fn) |
872 | a8083063 | Iustin Pop | bad = bad or result
|
873 | a8083063 | Iustin Pop | |
874 | e54c4c5e | Guido Trotter | if constants.VERIFY_NPLUSONE_MEM not in self.skip_set: |
875 | e54c4c5e | Guido Trotter | feedback_fn("* Verifying N+1 Memory redundancy")
|
876 | e54c4c5e | Guido Trotter | result = self._VerifyNPlusOneMemory(node_info, instance_cfg, feedback_fn)
|
877 | e54c4c5e | Guido Trotter | bad = bad or result
|
878 | 2b3b6ddd | Guido Trotter | |
879 | 2b3b6ddd | Guido Trotter | feedback_fn("* Other Notes")
|
880 | 2b3b6ddd | Guido Trotter | if i_non_redundant:
|
881 | 2b3b6ddd | Guido Trotter | feedback_fn(" - NOTICE: %d non-redundant instance(s) found."
|
882 | 2b3b6ddd | Guido Trotter | % len(i_non_redundant))
|
883 | 2b3b6ddd | Guido Trotter | |
884 | 34290825 | Michael Hanselmann | return not bad |
885 | a8083063 | Iustin Pop | |
886 | d8fff41c | Guido Trotter | def HooksCallBack(self, phase, hooks_results, feedback_fn, lu_result): |
887 | d8fff41c | Guido Trotter | """Analize the post-hooks' result, handle it, and send some
|
888 | d8fff41c | Guido Trotter | nicely-formatted feedback back to the user.
|
889 | d8fff41c | Guido Trotter |
|
890 | d8fff41c | Guido Trotter | Args:
|
891 | d8fff41c | Guido Trotter | phase: the hooks phase that has just been run
|
892 | d8fff41c | Guido Trotter | hooks_results: the results of the multi-node hooks rpc call
|
893 | d8fff41c | Guido Trotter | feedback_fn: function to send feedback back to the caller
|
894 | d8fff41c | Guido Trotter | lu_result: previous Exec result
|
895 | d8fff41c | Guido Trotter |
|
896 | d8fff41c | Guido Trotter | """
|
897 | 38206f3c | Iustin Pop | # We only really run POST phase hooks, and are only interested in
|
898 | 38206f3c | Iustin Pop | # their results
|
899 | d8fff41c | Guido Trotter | if phase == constants.HOOKS_PHASE_POST:
|
900 | d8fff41c | Guido Trotter | # Used to change hooks' output to proper indentation
|
901 | d8fff41c | Guido Trotter | indent_re = re.compile('^', re.M)
|
902 | d8fff41c | Guido Trotter | feedback_fn("* Hooks Results")
|
903 | d8fff41c | Guido Trotter | if not hooks_results: |
904 | d8fff41c | Guido Trotter | feedback_fn(" - ERROR: general communication failure")
|
905 | d8fff41c | Guido Trotter | lu_result = 1
|
906 | d8fff41c | Guido Trotter | else:
|
907 | d8fff41c | Guido Trotter | for node_name in hooks_results: |
908 | d8fff41c | Guido Trotter | show_node_header = True
|
909 | d8fff41c | Guido Trotter | res = hooks_results[node_name] |
910 | d8fff41c | Guido Trotter | if res is False or not isinstance(res, list): |
911 | d8fff41c | Guido Trotter | feedback_fn(" Communication failure")
|
912 | d8fff41c | Guido Trotter | lu_result = 1
|
913 | d8fff41c | Guido Trotter | continue
|
914 | d8fff41c | Guido Trotter | for script, hkr, output in res: |
915 | d8fff41c | Guido Trotter | if hkr == constants.HKR_FAIL:
|
916 | d8fff41c | Guido Trotter | # The node header is only shown once, if there are
|
917 | d8fff41c | Guido Trotter | # failing hooks on that node
|
918 | d8fff41c | Guido Trotter | if show_node_header:
|
919 | d8fff41c | Guido Trotter | feedback_fn(" Node %s:" % node_name)
|
920 | d8fff41c | Guido Trotter | show_node_header = False
|
921 | d8fff41c | Guido Trotter | feedback_fn(" ERROR: Script %s failed, output:" % script)
|
922 | d8fff41c | Guido Trotter | output = indent_re.sub(' ', output)
|
923 | d8fff41c | Guido Trotter | feedback_fn("%s" % output)
|
924 | d8fff41c | Guido Trotter | lu_result = 1
|
925 | d8fff41c | Guido Trotter | |
926 | d8fff41c | Guido Trotter | return lu_result
|
927 | d8fff41c | Guido Trotter | |
928 | a8083063 | Iustin Pop | |
929 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
930 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
931 | 2c95a8d4 | Iustin Pop |
|
932 | 2c95a8d4 | Iustin Pop | """
|
933 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
934 | d4b9d97f | Guido Trotter | REQ_BGL = False
|
935 | d4b9d97f | Guido Trotter | |
936 | d4b9d97f | Guido Trotter | def ExpandNames(self): |
937 | d4b9d97f | Guido Trotter | self.needed_locks = {
|
938 | d4b9d97f | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
939 | d4b9d97f | Guido Trotter | locking.LEVEL_INSTANCE: locking.ALL_SET, |
940 | d4b9d97f | Guido Trotter | } |
941 | d4b9d97f | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
942 | 2c95a8d4 | Iustin Pop | |
943 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
944 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
945 | 2c95a8d4 | Iustin Pop |
|
946 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
947 | 2c95a8d4 | Iustin Pop |
|
948 | 2c95a8d4 | Iustin Pop | """
|
949 | 2c95a8d4 | Iustin Pop | pass
|
950 | 2c95a8d4 | Iustin Pop | |
951 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
952 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
953 | 2c95a8d4 | Iustin Pop |
|
954 | 2c95a8d4 | Iustin Pop | """
|
955 | b63ed789 | Iustin Pop | result = res_nodes, res_nlvm, res_instances, res_missing = [], {}, [], {} |
956 | 2c95a8d4 | Iustin Pop | |
957 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
958 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
959 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
960 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
961 | 2c95a8d4 | Iustin Pop | |
962 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
963 | 2c95a8d4 | Iustin Pop | for inst in instances: |
964 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
965 | 2c95a8d4 | Iustin Pop | if (inst.status != "up" or |
966 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
967 | 2c95a8d4 | Iustin Pop | continue
|
968 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
969 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
970 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
971 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
972 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
973 | 2c95a8d4 | Iustin Pop | |
974 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
975 | 2c95a8d4 | Iustin Pop | return result
|
976 | 2c95a8d4 | Iustin Pop | |
977 | 72737a7f | Iustin Pop | node_lvs = self.rpc.call_volume_list(nodes, vg_name)
|
978 | 2c95a8d4 | Iustin Pop | |
979 | 2c95a8d4 | Iustin Pop | to_act = set()
|
980 | 2c95a8d4 | Iustin Pop | for node in nodes: |
981 | 2c95a8d4 | Iustin Pop | # node_volume
|
982 | 2c95a8d4 | Iustin Pop | lvs = node_lvs[node] |
983 | 2c95a8d4 | Iustin Pop | |
984 | b63ed789 | Iustin Pop | if isinstance(lvs, basestring): |
985 | b63ed789 | Iustin Pop | logger.Info("error enumerating LVs on node %s: %s" % (node, lvs))
|
986 | b63ed789 | Iustin Pop | res_nlvm[node] = lvs |
987 | b63ed789 | Iustin Pop | elif not isinstance(lvs, dict): |
988 | 2c95a8d4 | Iustin Pop | logger.Info("connection to node %s failed or invalid data returned" %
|
989 | 2c95a8d4 | Iustin Pop | (node,)) |
990 | 2c95a8d4 | Iustin Pop | res_nodes.append(node) |
991 | 2c95a8d4 | Iustin Pop | continue
|
992 | 2c95a8d4 | Iustin Pop | |
993 | 2c95a8d4 | Iustin Pop | for lv_name, (_, lv_inactive, lv_online) in lvs.iteritems(): |
994 | b63ed789 | Iustin Pop | inst = nv_dict.pop((node, lv_name), None)
|
995 | b63ed789 | Iustin Pop | if (not lv_online and inst is not None |
996 | b63ed789 | Iustin Pop | and inst.name not in res_instances): |
997 | b08d5a87 | Iustin Pop | res_instances.append(inst.name) |
998 | 2c95a8d4 | Iustin Pop | |
999 | b63ed789 | Iustin Pop | # any leftover items in nv_dict are missing LVs, let's arrange the
|
1000 | b63ed789 | Iustin Pop | # data better
|
1001 | b63ed789 | Iustin Pop | for key, inst in nv_dict.iteritems(): |
1002 | b63ed789 | Iustin Pop | if inst.name not in res_missing: |
1003 | b63ed789 | Iustin Pop | res_missing[inst.name] = [] |
1004 | b63ed789 | Iustin Pop | res_missing[inst.name].append(key) |
1005 | b63ed789 | Iustin Pop | |
1006 | 2c95a8d4 | Iustin Pop | return result
|
1007 | 2c95a8d4 | Iustin Pop | |
1008 | 2c95a8d4 | Iustin Pop | |
1009 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
1010 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1011 | 07bd8a51 | Iustin Pop |
|
1012 | 07bd8a51 | Iustin Pop | """
|
1013 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
1014 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
1015 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
1016 | 07bd8a51 | Iustin Pop | |
1017 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
1018 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
1019 | 07bd8a51 | Iustin Pop |
|
1020 | 07bd8a51 | Iustin Pop | """
|
1021 | 07bd8a51 | Iustin Pop | env = { |
1022 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1023 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
1024 | 07bd8a51 | Iustin Pop | } |
1025 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1026 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
1027 | 07bd8a51 | Iustin Pop | |
1028 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
1029 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
1030 | 07bd8a51 | Iustin Pop |
|
1031 | 07bd8a51 | Iustin Pop | """
|
1032 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
1033 | 07bd8a51 | Iustin Pop | |
1034 | bcf043c9 | Iustin Pop | new_name = hostname.name |
1035 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
1036 | d6a02168 | Michael Hanselmann | old_name = self.cfg.GetClusterName()
|
1037 | d6a02168 | Michael Hanselmann | old_ip = self.cfg.GetMasterIP()
|
1038 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
1039 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
1040 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
1041 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
1042 | 937f983d | Guido Trotter | if utils.TcpPing(new_ip, constants.DEFAULT_NODED_PORT):
|
1043 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
1044 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
1045 | 07bd8a51 | Iustin Pop | new_ip) |
1046 | 07bd8a51 | Iustin Pop | |
1047 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
1048 | 07bd8a51 | Iustin Pop | |
1049 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
1050 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1051 | 07bd8a51 | Iustin Pop |
|
1052 | 07bd8a51 | Iustin Pop | """
|
1053 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
1054 | 07bd8a51 | Iustin Pop | ip = self.ip
|
1055 | 07bd8a51 | Iustin Pop | |
1056 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
1057 | d6a02168 | Michael Hanselmann | master = self.cfg.GetMasterNode()
|
1058 | 72737a7f | Iustin Pop | if not self.rpc.call_node_stop_master(master, False): |
1059 | 07bd8a51 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
1060 | 07bd8a51 | Iustin Pop | |
1061 | 07bd8a51 | Iustin Pop | try:
|
1062 | 07bd8a51 | Iustin Pop | # modify the sstore
|
1063 | d6a02168 | Michael Hanselmann | # TODO: sstore
|
1064 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, ip) |
1065 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername) |
1066 | 07bd8a51 | Iustin Pop | |
1067 | 07bd8a51 | Iustin Pop | # Distribute updated ss config to all nodes
|
1068 | 07bd8a51 | Iustin Pop | myself = self.cfg.GetNodeInfo(master)
|
1069 | 07bd8a51 | Iustin Pop | dist_nodes = self.cfg.GetNodeList()
|
1070 | 07bd8a51 | Iustin Pop | if myself.name in dist_nodes: |
1071 | 07bd8a51 | Iustin Pop | dist_nodes.remove(myself.name) |
1072 | 07bd8a51 | Iustin Pop | |
1073 | 07bd8a51 | Iustin Pop | logger.Debug("Copying updated ssconf data to all nodes")
|
1074 | 07bd8a51 | Iustin Pop | for keyname in [ss.SS_CLUSTER_NAME, ss.SS_MASTER_IP]: |
1075 | 07bd8a51 | Iustin Pop | fname = ss.KeyToFilename(keyname) |
1076 | 72737a7f | Iustin Pop | result = self.rpc.call_upload_file(dist_nodes, fname)
|
1077 | 07bd8a51 | Iustin Pop | for to_node in dist_nodes: |
1078 | 07bd8a51 | Iustin Pop | if not result[to_node]: |
1079 | 07bd8a51 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1080 | 07bd8a51 | Iustin Pop | (fname, to_node)) |
1081 | 07bd8a51 | Iustin Pop | finally:
|
1082 | 72737a7f | Iustin Pop | if not self.rpc.call_node_start_master(master, False): |
1083 | f4bc1f2c | Michael Hanselmann | logger.Error("Could not re-enable the master role on the master,"
|
1084 | f4bc1f2c | Michael Hanselmann | " please restart manually.")
|
1085 | 07bd8a51 | Iustin Pop | |
1086 | 07bd8a51 | Iustin Pop | |
1087 | 8084f9f6 | Manuel Franceschini | def _RecursiveCheckIfLVMBased(disk): |
1088 | 8084f9f6 | Manuel Franceschini | """Check if the given disk or its children are lvm-based.
|
1089 | 8084f9f6 | Manuel Franceschini |
|
1090 | 8084f9f6 | Manuel Franceschini | Args:
|
1091 | 8084f9f6 | Manuel Franceschini | disk: ganeti.objects.Disk object
|
1092 | 8084f9f6 | Manuel Franceschini |
|
1093 | 8084f9f6 | Manuel Franceschini | Returns:
|
1094 | 8084f9f6 | Manuel Franceschini | boolean indicating whether a LD_LV dev_type was found or not
|
1095 | 8084f9f6 | Manuel Franceschini |
|
1096 | 8084f9f6 | Manuel Franceschini | """
|
1097 | 8084f9f6 | Manuel Franceschini | if disk.children:
|
1098 | 8084f9f6 | Manuel Franceschini | for chdisk in disk.children: |
1099 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(chdisk):
|
1100 | 8084f9f6 | Manuel Franceschini | return True |
1101 | 8084f9f6 | Manuel Franceschini | return disk.dev_type == constants.LD_LV
|
1102 | 8084f9f6 | Manuel Franceschini | |
1103 | 8084f9f6 | Manuel Franceschini | |
1104 | 8084f9f6 | Manuel Franceschini | class LUSetClusterParams(LogicalUnit): |
1105 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1106 | 8084f9f6 | Manuel Franceschini |
|
1107 | 8084f9f6 | Manuel Franceschini | """
|
1108 | 8084f9f6 | Manuel Franceschini | HPATH = "cluster-modify"
|
1109 | 8084f9f6 | Manuel Franceschini | HTYPE = constants.HTYPE_CLUSTER |
1110 | 8084f9f6 | Manuel Franceschini | _OP_REQP = [] |
1111 | c53279cf | Guido Trotter | REQ_BGL = False
|
1112 | c53279cf | Guido Trotter | |
1113 | c53279cf | Guido Trotter | def ExpandNames(self): |
1114 | c53279cf | Guido Trotter | # FIXME: in the future maybe other cluster params won't require checking on
|
1115 | c53279cf | Guido Trotter | # all nodes to be modified.
|
1116 | c53279cf | Guido Trotter | self.needed_locks = {
|
1117 | c53279cf | Guido Trotter | locking.LEVEL_NODE: locking.ALL_SET, |
1118 | c53279cf | Guido Trotter | } |
1119 | c53279cf | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1120 | 8084f9f6 | Manuel Franceschini | |
1121 | 8084f9f6 | Manuel Franceschini | def BuildHooksEnv(self): |
1122 | 8084f9f6 | Manuel Franceschini | """Build hooks env.
|
1123 | 8084f9f6 | Manuel Franceschini |
|
1124 | 8084f9f6 | Manuel Franceschini | """
|
1125 | 8084f9f6 | Manuel Franceschini | env = { |
1126 | d6a02168 | Michael Hanselmann | "OP_TARGET": self.cfg.GetClusterName(), |
1127 | 8084f9f6 | Manuel Franceschini | "NEW_VG_NAME": self.op.vg_name, |
1128 | 8084f9f6 | Manuel Franceschini | } |
1129 | d6a02168 | Michael Hanselmann | mn = self.cfg.GetMasterNode()
|
1130 | 8084f9f6 | Manuel Franceschini | return env, [mn], [mn]
|
1131 | 8084f9f6 | Manuel Franceschini | |
1132 | 8084f9f6 | Manuel Franceschini | def CheckPrereq(self): |
1133 | 8084f9f6 | Manuel Franceschini | """Check prerequisites.
|
1134 | 8084f9f6 | Manuel Franceschini |
|
1135 | 8084f9f6 | Manuel Franceschini | This checks whether the given params don't conflict and
|
1136 | 5f83e263 | Iustin Pop | if the given volume group is valid.
|
1137 | 8084f9f6 | Manuel Franceschini |
|
1138 | 8084f9f6 | Manuel Franceschini | """
|
1139 | c53279cf | Guido Trotter | # FIXME: This only works because there is only one parameter that can be
|
1140 | c53279cf | Guido Trotter | # changed or removed.
|
1141 | 8084f9f6 | Manuel Franceschini | if not self.op.vg_name: |
1142 | c53279cf | Guido Trotter | instances = self.cfg.GetAllInstancesInfo().values()
|
1143 | 8084f9f6 | Manuel Franceschini | for inst in instances: |
1144 | 8084f9f6 | Manuel Franceschini | for disk in inst.disks: |
1145 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(disk):
|
1146 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Cannot disable lvm storage while" |
1147 | 8084f9f6 | Manuel Franceschini | " lvm-based instances exist")
|
1148 | 8084f9f6 | Manuel Franceschini | |
1149 | 8084f9f6 | Manuel Franceschini | # if vg_name not None, checks given volume group on all nodes
|
1150 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name: |
1151 | c53279cf | Guido Trotter | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1152 | 72737a7f | Iustin Pop | vglist = self.rpc.call_vg_list(node_list)
|
1153 | 8084f9f6 | Manuel Franceschini | for node in node_list: |
1154 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist[node], self.op.vg_name,
|
1155 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
1156 | 8084f9f6 | Manuel Franceschini | if vgstatus:
|
1157 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Error on node '%s': %s" % |
1158 | 8084f9f6 | Manuel Franceschini | (node, vgstatus)) |
1159 | 8084f9f6 | Manuel Franceschini | |
1160 | 8084f9f6 | Manuel Franceschini | def Exec(self, feedback_fn): |
1161 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1162 | 8084f9f6 | Manuel Franceschini |
|
1163 | 8084f9f6 | Manuel Franceschini | """
|
1164 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name != self.cfg.GetVGName(): |
1165 | 8084f9f6 | Manuel Franceschini | self.cfg.SetVGName(self.op.vg_name) |
1166 | 8084f9f6 | Manuel Franceschini | else:
|
1167 | 8084f9f6 | Manuel Franceschini | feedback_fn("Cluster LVM configuration already in desired"
|
1168 | 8084f9f6 | Manuel Franceschini | " state, not changing")
|
1169 | 8084f9f6 | Manuel Franceschini | |
1170 | 8084f9f6 | Manuel Franceschini | |
1171 | b9bddb6b | Iustin Pop | def _WaitForSync(lu, instance, oneshot=False, unlock=False): |
1172 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1173 | a8083063 | Iustin Pop |
|
1174 | a8083063 | Iustin Pop | """
|
1175 | a8083063 | Iustin Pop | if not instance.disks: |
1176 | a8083063 | Iustin Pop | return True |
1177 | a8083063 | Iustin Pop | |
1178 | a8083063 | Iustin Pop | if not oneshot: |
1179 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
1180 | a8083063 | Iustin Pop | |
1181 | a8083063 | Iustin Pop | node = instance.primary_node |
1182 | a8083063 | Iustin Pop | |
1183 | a8083063 | Iustin Pop | for dev in instance.disks: |
1184 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
1185 | a8083063 | Iustin Pop | |
1186 | a8083063 | Iustin Pop | retries = 0
|
1187 | a8083063 | Iustin Pop | while True: |
1188 | a8083063 | Iustin Pop | max_time = 0
|
1189 | a8083063 | Iustin Pop | done = True
|
1190 | a8083063 | Iustin Pop | cumul_degraded = False
|
1191 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1192 | a8083063 | Iustin Pop | if not rstats: |
1193 | b9bddb6b | Iustin Pop | lu.proc.LogWarning("Can't get any data from node %s" % node)
|
1194 | a8083063 | Iustin Pop | retries += 1
|
1195 | a8083063 | Iustin Pop | if retries >= 10: |
1196 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1197 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1198 | a8083063 | Iustin Pop | time.sleep(6)
|
1199 | a8083063 | Iustin Pop | continue
|
1200 | a8083063 | Iustin Pop | retries = 0
|
1201 | a8083063 | Iustin Pop | for i in range(len(rstats)): |
1202 | a8083063 | Iustin Pop | mstat = rstats[i] |
1203 | a8083063 | Iustin Pop | if mstat is None: |
1204 | b9bddb6b | Iustin Pop | lu.proc.LogWarning("Can't compute data for node %s/%s" %
|
1205 | b9bddb6b | Iustin Pop | (node, instance.disks[i].iv_name)) |
1206 | a8083063 | Iustin Pop | continue
|
1207 | 0834c866 | Iustin Pop | # we ignore the ldisk parameter
|
1208 | 0834c866 | Iustin Pop | perc_done, est_time, is_degraded, _ = mstat |
1209 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1210 | a8083063 | Iustin Pop | if perc_done is not None: |
1211 | a8083063 | Iustin Pop | done = False
|
1212 | a8083063 | Iustin Pop | if est_time is not None: |
1213 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1214 | a8083063 | Iustin Pop | max_time = est_time |
1215 | a8083063 | Iustin Pop | else:
|
1216 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1217 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
1218 | b9bddb6b | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1219 | a8083063 | Iustin Pop | if done or oneshot: |
1220 | a8083063 | Iustin Pop | break
|
1221 | a8083063 | Iustin Pop | |
1222 | d4fa5c23 | Iustin Pop | time.sleep(min(60, max_time)) |
1223 | a8083063 | Iustin Pop | |
1224 | a8083063 | Iustin Pop | if done:
|
1225 | b9bddb6b | Iustin Pop | lu.proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
1226 | a8083063 | Iustin Pop | return not cumul_degraded |
1227 | a8083063 | Iustin Pop | |
1228 | a8083063 | Iustin Pop | |
1229 | b9bddb6b | Iustin Pop | def _CheckDiskConsistency(lu, dev, node, on_primary, ldisk=False): |
1230 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1231 | a8083063 | Iustin Pop |
|
1232 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
1233 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
1234 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
1235 | 0834c866 | Iustin Pop |
|
1236 | a8083063 | Iustin Pop | """
|
1237 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(dev, node) |
1238 | 0834c866 | Iustin Pop | if ldisk:
|
1239 | 0834c866 | Iustin Pop | idx = 6
|
1240 | 0834c866 | Iustin Pop | else:
|
1241 | 0834c866 | Iustin Pop | idx = 5
|
1242 | a8083063 | Iustin Pop | |
1243 | a8083063 | Iustin Pop | result = True
|
1244 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1245 | 72737a7f | Iustin Pop | rstats = lu.rpc.call_blockdev_find(node, dev) |
1246 | a8083063 | Iustin Pop | if not rstats: |
1247 | aa9d0c32 | Guido Trotter | logger.ToStderr("Node %s: Disk degraded, not found or node down" % node)
|
1248 | a8083063 | Iustin Pop | result = False
|
1249 | a8083063 | Iustin Pop | else:
|
1250 | 0834c866 | Iustin Pop | result = result and (not rstats[idx]) |
1251 | a8083063 | Iustin Pop | if dev.children:
|
1252 | a8083063 | Iustin Pop | for child in dev.children: |
1253 | b9bddb6b | Iustin Pop | result = result and _CheckDiskConsistency(lu, child, node, on_primary)
|
1254 | a8083063 | Iustin Pop | |
1255 | a8083063 | Iustin Pop | return result
|
1256 | a8083063 | Iustin Pop | |
1257 | a8083063 | Iustin Pop | |
1258 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1259 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1260 | a8083063 | Iustin Pop |
|
1261 | a8083063 | Iustin Pop | """
|
1262 | 1f9430d6 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1263 | 6bf01bbb | Guido Trotter | REQ_BGL = False
|
1264 | a8083063 | Iustin Pop | |
1265 | 6bf01bbb | Guido Trotter | def ExpandNames(self): |
1266 | 1f9430d6 | Iustin Pop | if self.op.names: |
1267 | 1f9430d6 | Iustin Pop | raise errors.OpPrereqError("Selective OS query not supported") |
1268 | 1f9430d6 | Iustin Pop | |
1269 | 1f9430d6 | Iustin Pop | self.dynamic_fields = frozenset(["name", "valid", "node_status"]) |
1270 | 1f9430d6 | Iustin Pop | _CheckOutputFields(static=[], |
1271 | 1f9430d6 | Iustin Pop | dynamic=self.dynamic_fields,
|
1272 | 1f9430d6 | Iustin Pop | selected=self.op.output_fields)
|
1273 | 1f9430d6 | Iustin Pop | |
1274 | 6bf01bbb | Guido Trotter | # Lock all nodes, in shared mode
|
1275 | 6bf01bbb | Guido Trotter | self.needed_locks = {}
|
1276 | 6bf01bbb | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1277 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
1278 | 6bf01bbb | Guido Trotter | |
1279 | 6bf01bbb | Guido Trotter | def CheckPrereq(self): |
1280 | 6bf01bbb | Guido Trotter | """Check prerequisites.
|
1281 | 6bf01bbb | Guido Trotter |
|
1282 | 6bf01bbb | Guido Trotter | """
|
1283 | 6bf01bbb | Guido Trotter | |
1284 | 1f9430d6 | Iustin Pop | @staticmethod
|
1285 | 1f9430d6 | Iustin Pop | def _DiagnoseByOS(node_list, rlist): |
1286 | 1f9430d6 | Iustin Pop | """Remaps a per-node return list into an a per-os per-node dictionary
|
1287 | 1f9430d6 | Iustin Pop |
|
1288 | 1f9430d6 | Iustin Pop | Args:
|
1289 | 1f9430d6 | Iustin Pop | node_list: a list with the names of all nodes
|
1290 | 1f9430d6 | Iustin Pop | rlist: a map with node names as keys and OS objects as values
|
1291 | 1f9430d6 | Iustin Pop |
|
1292 | 1f9430d6 | Iustin Pop | Returns:
|
1293 | 1f9430d6 | Iustin Pop | map: a map with osnames as keys and as value another map, with
|
1294 | 1f9430d6 | Iustin Pop | nodes as
|
1295 | 1f9430d6 | Iustin Pop | keys and list of OS objects as values
|
1296 | 1f9430d6 | Iustin Pop | e.g. {"debian-etch": {"node1": [<object>,...],
|
1297 | 1f9430d6 | Iustin Pop | "node2": [<object>,]}
|
1298 | 1f9430d6 | Iustin Pop | }
|
1299 | 1f9430d6 | Iustin Pop |
|
1300 | 1f9430d6 | Iustin Pop | """
|
1301 | 1f9430d6 | Iustin Pop | all_os = {} |
1302 | 1f9430d6 | Iustin Pop | for node_name, nr in rlist.iteritems(): |
1303 | 1f9430d6 | Iustin Pop | if not nr: |
1304 | 1f9430d6 | Iustin Pop | continue
|
1305 | b4de68a9 | Iustin Pop | for os_obj in nr: |
1306 | b4de68a9 | Iustin Pop | if os_obj.name not in all_os: |
1307 | 1f9430d6 | Iustin Pop | # build a list of nodes for this os containing empty lists
|
1308 | 1f9430d6 | Iustin Pop | # for each node in node_list
|
1309 | b4de68a9 | Iustin Pop | all_os[os_obj.name] = {} |
1310 | 1f9430d6 | Iustin Pop | for nname in node_list: |
1311 | b4de68a9 | Iustin Pop | all_os[os_obj.name][nname] = [] |
1312 | b4de68a9 | Iustin Pop | all_os[os_obj.name][node_name].append(os_obj) |
1313 | 1f9430d6 | Iustin Pop | return all_os
|
1314 | a8083063 | Iustin Pop | |
1315 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1316 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1317 | a8083063 | Iustin Pop |
|
1318 | a8083063 | Iustin Pop | """
|
1319 | 6bf01bbb | Guido Trotter | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1320 | 72737a7f | Iustin Pop | node_data = self.rpc.call_os_diagnose(node_list)
|
1321 | a8083063 | Iustin Pop | if node_data == False: |
1322 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't gather the list of OSes") |
1323 | 1f9430d6 | Iustin Pop | pol = self._DiagnoseByOS(node_list, node_data)
|
1324 | 1f9430d6 | Iustin Pop | output = [] |
1325 | 1f9430d6 | Iustin Pop | for os_name, os_data in pol.iteritems(): |
1326 | 1f9430d6 | Iustin Pop | row = [] |
1327 | 1f9430d6 | Iustin Pop | for field in self.op.output_fields: |
1328 | 1f9430d6 | Iustin Pop | if field == "name": |
1329 | 1f9430d6 | Iustin Pop | val = os_name |
1330 | 1f9430d6 | Iustin Pop | elif field == "valid": |
1331 | 1f9430d6 | Iustin Pop | val = utils.all([osl and osl[0] for osl in os_data.values()]) |
1332 | 1f9430d6 | Iustin Pop | elif field == "node_status": |
1333 | 1f9430d6 | Iustin Pop | val = {} |
1334 | 1f9430d6 | Iustin Pop | for node_name, nos_list in os_data.iteritems(): |
1335 | 1f9430d6 | Iustin Pop | val[node_name] = [(v.status, v.path) for v in nos_list] |
1336 | 1f9430d6 | Iustin Pop | else:
|
1337 | 1f9430d6 | Iustin Pop | raise errors.ParameterError(field)
|
1338 | 1f9430d6 | Iustin Pop | row.append(val) |
1339 | 1f9430d6 | Iustin Pop | output.append(row) |
1340 | 1f9430d6 | Iustin Pop | |
1341 | 1f9430d6 | Iustin Pop | return output
|
1342 | a8083063 | Iustin Pop | |
1343 | a8083063 | Iustin Pop | |
1344 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1345 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1346 | a8083063 | Iustin Pop |
|
1347 | a8083063 | Iustin Pop | """
|
1348 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1349 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1350 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1351 | a8083063 | Iustin Pop | |
1352 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1353 | a8083063 | Iustin Pop | """Build hooks env.
|
1354 | a8083063 | Iustin Pop |
|
1355 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1356 | d08869ee | Guido Trotter | node would then be impossible to remove.
|
1357 | a8083063 | Iustin Pop |
|
1358 | a8083063 | Iustin Pop | """
|
1359 | 396e1b78 | Michael Hanselmann | env = { |
1360 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1361 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1362 | 396e1b78 | Michael Hanselmann | } |
1363 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1364 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1365 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1366 | a8083063 | Iustin Pop | |
1367 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1368 | a8083063 | Iustin Pop | """Check prerequisites.
|
1369 | a8083063 | Iustin Pop |
|
1370 | a8083063 | Iustin Pop | This checks:
|
1371 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1372 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1373 | a8083063 | Iustin Pop | - it's not the master
|
1374 | a8083063 | Iustin Pop |
|
1375 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1376 | a8083063 | Iustin Pop |
|
1377 | a8083063 | Iustin Pop | """
|
1378 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1379 | a8083063 | Iustin Pop | if node is None: |
1380 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1381 | a8083063 | Iustin Pop | |
1382 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1383 | a8083063 | Iustin Pop | |
1384 | d6a02168 | Michael Hanselmann | masternode = self.cfg.GetMasterNode()
|
1385 | a8083063 | Iustin Pop | if node.name == masternode:
|
1386 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
1387 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
1388 | a8083063 | Iustin Pop | |
1389 | a8083063 | Iustin Pop | for instance_name in instance_list: |
1390 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
1391 | a8083063 | Iustin Pop | if node.name == instance.primary_node:
|
1392 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s still running on the node," |
1393 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1394 | a8083063 | Iustin Pop | if node.name in instance.secondary_nodes: |
1395 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s has node as a secondary," |
1396 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1397 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
1398 | a8083063 | Iustin Pop | self.node = node
|
1399 | a8083063 | Iustin Pop | |
1400 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1401 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
1402 | a8083063 | Iustin Pop |
|
1403 | a8083063 | Iustin Pop | """
|
1404 | a8083063 | Iustin Pop | node = self.node
|
1405 | a8083063 | Iustin Pop | logger.Info("stopping the node daemon and removing configs from node %s" %
|
1406 | a8083063 | Iustin Pop | node.name) |
1407 | a8083063 | Iustin Pop | |
1408 | d8470559 | Michael Hanselmann | self.context.RemoveNode(node.name)
|
1409 | a8083063 | Iustin Pop | |
1410 | 72737a7f | Iustin Pop | self.rpc.call_node_leave_cluster(node.name)
|
1411 | c8a0948f | Michael Hanselmann | |
1412 | a8083063 | Iustin Pop | |
1413 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
1414 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
1415 | a8083063 | Iustin Pop |
|
1416 | a8083063 | Iustin Pop | """
|
1417 | 246e180a | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1418 | 35705d8f | Guido Trotter | REQ_BGL = False
|
1419 | a8083063 | Iustin Pop | |
1420 | 35705d8f | Guido Trotter | def ExpandNames(self): |
1421 | e8a4c138 | Iustin Pop | self.dynamic_fields = frozenset([ |
1422 | e8a4c138 | Iustin Pop | "dtotal", "dfree", |
1423 | e8a4c138 | Iustin Pop | "mtotal", "mnode", "mfree", |
1424 | e8a4c138 | Iustin Pop | "bootid",
|
1425 | e8a4c138 | Iustin Pop | "ctotal",
|
1426 | e8a4c138 | Iustin Pop | ]) |
1427 | a8083063 | Iustin Pop | |
1428 | c8d8b4c8 | Iustin Pop | self.static_fields = frozenset([ |
1429 | c8d8b4c8 | Iustin Pop | "name", "pinst_cnt", "sinst_cnt", |
1430 | c8d8b4c8 | Iustin Pop | "pinst_list", "sinst_list", |
1431 | c8d8b4c8 | Iustin Pop | "pip", "sip", "tags", |
1432 | 38d7239a | Iustin Pop | "serial_no",
|
1433 | c8d8b4c8 | Iustin Pop | ]) |
1434 | c8d8b4c8 | Iustin Pop | |
1435 | c8d8b4c8 | Iustin Pop | _CheckOutputFields(static=self.static_fields,
|
1436 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
1437 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1438 | a8083063 | Iustin Pop | |
1439 | 35705d8f | Guido Trotter | self.needed_locks = {}
|
1440 | 35705d8f | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1441 | c8d8b4c8 | Iustin Pop | |
1442 | c8d8b4c8 | Iustin Pop | if self.op.names: |
1443 | c8d8b4c8 | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
1444 | 35705d8f | Guido Trotter | else:
|
1445 | c8d8b4c8 | Iustin Pop | self.wanted = locking.ALL_SET
|
1446 | c8d8b4c8 | Iustin Pop | |
1447 | c8d8b4c8 | Iustin Pop | self.do_locking = not self.static_fields.issuperset(self.op.output_fields) |
1448 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
1449 | c8d8b4c8 | Iustin Pop | # if we don't request only static fields, we need to lock the nodes
|
1450 | c8d8b4c8 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = self.wanted |
1451 | c8d8b4c8 | Iustin Pop | |
1452 | 35705d8f | Guido Trotter | |
1453 | 35705d8f | Guido Trotter | def CheckPrereq(self): |
1454 | 35705d8f | Guido Trotter | """Check prerequisites.
|
1455 | 35705d8f | Guido Trotter |
|
1456 | 35705d8f | Guido Trotter | """
|
1457 | c8d8b4c8 | Iustin Pop | # The validation of the node list is done in the _GetWantedNodes,
|
1458 | c8d8b4c8 | Iustin Pop | # if non empty, and if empty, there's no validation to do
|
1459 | c8d8b4c8 | Iustin Pop | pass
|
1460 | a8083063 | Iustin Pop | |
1461 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1462 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
1463 | a8083063 | Iustin Pop |
|
1464 | a8083063 | Iustin Pop | """
|
1465 | c8d8b4c8 | Iustin Pop | all_info = self.cfg.GetAllNodesInfo()
|
1466 | c8d8b4c8 | Iustin Pop | if self.do_locking: |
1467 | c8d8b4c8 | Iustin Pop | nodenames = self.acquired_locks[locking.LEVEL_NODE]
|
1468 | 3fa93523 | Guido Trotter | elif self.wanted != locking.ALL_SET: |
1469 | 3fa93523 | Guido Trotter | nodenames = self.wanted
|
1470 | 3fa93523 | Guido Trotter | missing = set(nodenames).difference(all_info.keys())
|
1471 | 3fa93523 | Guido Trotter | if missing:
|
1472 | 7b3a8fb5 | Iustin Pop | raise errors.OpExecError(
|
1473 | 3fa93523 | Guido Trotter | "Some nodes were removed before retrieving their data: %s" % missing)
|
1474 | c8d8b4c8 | Iustin Pop | else:
|
1475 | c8d8b4c8 | Iustin Pop | nodenames = all_info.keys() |
1476 | c8d8b4c8 | Iustin Pop | nodelist = [all_info[name] for name in nodenames] |
1477 | a8083063 | Iustin Pop | |
1478 | a8083063 | Iustin Pop | # begin data gathering
|
1479 | a8083063 | Iustin Pop | |
1480 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
1481 | a8083063 | Iustin Pop | live_data = {} |
1482 | 72737a7f | Iustin Pop | node_data = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
1483 | 72737a7f | Iustin Pop | self.cfg.GetHypervisorType())
|
1484 | a8083063 | Iustin Pop | for name in nodenames: |
1485 | a8083063 | Iustin Pop | nodeinfo = node_data.get(name, None)
|
1486 | a8083063 | Iustin Pop | if nodeinfo:
|
1487 | a8083063 | Iustin Pop | live_data[name] = { |
1488 | a8083063 | Iustin Pop | "mtotal": utils.TryConvert(int, nodeinfo['memory_total']), |
1489 | a8083063 | Iustin Pop | "mnode": utils.TryConvert(int, nodeinfo['memory_dom0']), |
1490 | a8083063 | Iustin Pop | "mfree": utils.TryConvert(int, nodeinfo['memory_free']), |
1491 | a8083063 | Iustin Pop | "dtotal": utils.TryConvert(int, nodeinfo['vg_size']), |
1492 | a8083063 | Iustin Pop | "dfree": utils.TryConvert(int, nodeinfo['vg_free']), |
1493 | e8a4c138 | Iustin Pop | "ctotal": utils.TryConvert(int, nodeinfo['cpu_total']), |
1494 | 3ef10550 | Michael Hanselmann | "bootid": nodeinfo['bootid'], |
1495 | a8083063 | Iustin Pop | } |
1496 | a8083063 | Iustin Pop | else:
|
1497 | a8083063 | Iustin Pop | live_data[name] = {} |
1498 | a8083063 | Iustin Pop | else:
|
1499 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
1500 | a8083063 | Iustin Pop | |
1501 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
1502 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1503 | a8083063 | Iustin Pop | |
1504 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
1505 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
1506 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
1507 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
1508 | a8083063 | Iustin Pop | |
1509 | ec223efb | Iustin Pop | for instance_name in instancelist: |
1510 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
1511 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
1512 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
1513 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
1514 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
1515 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
1516 | a8083063 | Iustin Pop | |
1517 | a8083063 | Iustin Pop | # end data gathering
|
1518 | a8083063 | Iustin Pop | |
1519 | a8083063 | Iustin Pop | output = [] |
1520 | a8083063 | Iustin Pop | for node in nodelist: |
1521 | a8083063 | Iustin Pop | node_output = [] |
1522 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
1523 | a8083063 | Iustin Pop | if field == "name": |
1524 | a8083063 | Iustin Pop | val = node.name |
1525 | ec223efb | Iustin Pop | elif field == "pinst_list": |
1526 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
1527 | ec223efb | Iustin Pop | elif field == "sinst_list": |
1528 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
1529 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
1530 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
1531 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
1532 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
1533 | a8083063 | Iustin Pop | elif field == "pip": |
1534 | a8083063 | Iustin Pop | val = node.primary_ip |
1535 | a8083063 | Iustin Pop | elif field == "sip": |
1536 | a8083063 | Iustin Pop | val = node.secondary_ip |
1537 | 130a6a6f | Iustin Pop | elif field == "tags": |
1538 | 130a6a6f | Iustin Pop | val = list(node.GetTags())
|
1539 | 38d7239a | Iustin Pop | elif field == "serial_no": |
1540 | 38d7239a | Iustin Pop | val = node.serial_no |
1541 | a8083063 | Iustin Pop | elif field in self.dynamic_fields: |
1542 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
1543 | a8083063 | Iustin Pop | else:
|
1544 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1545 | a8083063 | Iustin Pop | node_output.append(val) |
1546 | a8083063 | Iustin Pop | output.append(node_output) |
1547 | a8083063 | Iustin Pop | |
1548 | a8083063 | Iustin Pop | return output
|
1549 | a8083063 | Iustin Pop | |
1550 | a8083063 | Iustin Pop | |
1551 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
1552 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
1553 | dcb93971 | Michael Hanselmann |
|
1554 | dcb93971 | Michael Hanselmann | """
|
1555 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
1556 | 21a15682 | Guido Trotter | REQ_BGL = False
|
1557 | 21a15682 | Guido Trotter | |
1558 | 21a15682 | Guido Trotter | def ExpandNames(self): |
1559 | 21a15682 | Guido Trotter | _CheckOutputFields(static=["node"],
|
1560 | 21a15682 | Guido Trotter | dynamic=["phys", "vg", "name", "size", "instance"], |
1561 | 21a15682 | Guido Trotter | selected=self.op.output_fields)
|
1562 | 21a15682 | Guido Trotter | |
1563 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
1564 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1565 | 21a15682 | Guido Trotter | if not self.op.nodes: |
1566 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
1567 | 21a15682 | Guido Trotter | else:
|
1568 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
1569 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
1570 | dcb93971 | Michael Hanselmann | |
1571 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
1572 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
1573 | dcb93971 | Michael Hanselmann |
|
1574 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
1575 | dcb93971 | Michael Hanselmann |
|
1576 | dcb93971 | Michael Hanselmann | """
|
1577 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
1578 | dcb93971 | Michael Hanselmann | |
1579 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
1580 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
1581 | dcb93971 | Michael Hanselmann |
|
1582 | dcb93971 | Michael Hanselmann | """
|
1583 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
1584 | 72737a7f | Iustin Pop | volumes = self.rpc.call_node_volumes(nodenames)
|
1585 | dcb93971 | Michael Hanselmann | |
1586 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
1587 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
1588 | dcb93971 | Michael Hanselmann | |
1589 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
1590 | dcb93971 | Michael Hanselmann | |
1591 | dcb93971 | Michael Hanselmann | output = [] |
1592 | dcb93971 | Michael Hanselmann | for node in nodenames: |
1593 | 37d19eb2 | Michael Hanselmann | if node not in volumes or not volumes[node]: |
1594 | 37d19eb2 | Michael Hanselmann | continue
|
1595 | 37d19eb2 | Michael Hanselmann | |
1596 | dcb93971 | Michael Hanselmann | node_vols = volumes[node][:] |
1597 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
1598 | dcb93971 | Michael Hanselmann | |
1599 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
1600 | dcb93971 | Michael Hanselmann | node_output = [] |
1601 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
1602 | dcb93971 | Michael Hanselmann | if field == "node": |
1603 | dcb93971 | Michael Hanselmann | val = node |
1604 | dcb93971 | Michael Hanselmann | elif field == "phys": |
1605 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
1606 | dcb93971 | Michael Hanselmann | elif field == "vg": |
1607 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
1608 | dcb93971 | Michael Hanselmann | elif field == "name": |
1609 | dcb93971 | Michael Hanselmann | val = vol['name']
|
1610 | dcb93971 | Michael Hanselmann | elif field == "size": |
1611 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
1612 | dcb93971 | Michael Hanselmann | elif field == "instance": |
1613 | dcb93971 | Michael Hanselmann | for inst in ilist: |
1614 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
1615 | dcb93971 | Michael Hanselmann | continue
|
1616 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
1617 | dcb93971 | Michael Hanselmann | val = inst.name |
1618 | dcb93971 | Michael Hanselmann | break
|
1619 | dcb93971 | Michael Hanselmann | else:
|
1620 | dcb93971 | Michael Hanselmann | val = '-'
|
1621 | dcb93971 | Michael Hanselmann | else:
|
1622 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1623 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
1624 | dcb93971 | Michael Hanselmann | |
1625 | dcb93971 | Michael Hanselmann | output.append(node_output) |
1626 | dcb93971 | Michael Hanselmann | |
1627 | dcb93971 | Michael Hanselmann | return output
|
1628 | dcb93971 | Michael Hanselmann | |
1629 | dcb93971 | Michael Hanselmann | |
1630 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
1631 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
1632 | a8083063 | Iustin Pop |
|
1633 | a8083063 | Iustin Pop | """
|
1634 | a8083063 | Iustin Pop | HPATH = "node-add"
|
1635 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1636 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1637 | a8083063 | Iustin Pop | |
1638 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1639 | a8083063 | Iustin Pop | """Build hooks env.
|
1640 | a8083063 | Iustin Pop |
|
1641 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
1642 | a8083063 | Iustin Pop |
|
1643 | a8083063 | Iustin Pop | """
|
1644 | a8083063 | Iustin Pop | env = { |
1645 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1646 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
1647 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
1648 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
1649 | a8083063 | Iustin Pop | } |
1650 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
1651 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
1652 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
1653 | a8083063 | Iustin Pop | |
1654 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1655 | a8083063 | Iustin Pop | """Check prerequisites.
|
1656 | a8083063 | Iustin Pop |
|
1657 | a8083063 | Iustin Pop | This checks:
|
1658 | a8083063 | Iustin Pop | - the new node is not already in the config
|
1659 | a8083063 | Iustin Pop | - it is resolvable
|
1660 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
1661 | a8083063 | Iustin Pop |
|
1662 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1663 | a8083063 | Iustin Pop |
|
1664 | a8083063 | Iustin Pop | """
|
1665 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
1666 | a8083063 | Iustin Pop | cfg = self.cfg
|
1667 | a8083063 | Iustin Pop | |
1668 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
1669 | a8083063 | Iustin Pop | |
1670 | bcf043c9 | Iustin Pop | node = dns_data.name |
1671 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
1672 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
1673 | a8083063 | Iustin Pop | if secondary_ip is None: |
1674 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
1675 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
1676 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
1677 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
1678 | e7c6e02b | Michael Hanselmann | |
1679 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
1680 | e7c6e02b | Michael Hanselmann | if not self.op.readd and node in node_list: |
1681 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is already in the configuration" % |
1682 | e7c6e02b | Michael Hanselmann | node) |
1683 | e7c6e02b | Michael Hanselmann | elif self.op.readd and node not in node_list: |
1684 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is not in the configuration" % node) |
1685 | a8083063 | Iustin Pop | |
1686 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
1687 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
1688 | e7c6e02b | Michael Hanselmann | |
1689 | e7c6e02b | Michael Hanselmann | if self.op.readd and node == existing_node_name: |
1690 | e7c6e02b | Michael Hanselmann | if (existing_node.primary_ip != primary_ip or |
1691 | e7c6e02b | Michael Hanselmann | existing_node.secondary_ip != secondary_ip): |
1692 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Readded node doesn't have the same IP" |
1693 | e7c6e02b | Michael Hanselmann | " address configuration as before")
|
1694 | e7c6e02b | Michael Hanselmann | continue
|
1695 | e7c6e02b | Michael Hanselmann | |
1696 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
1697 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
1698 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
1699 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
1700 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
1701 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
1702 | a8083063 | Iustin Pop | |
1703 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
1704 | a8083063 | Iustin Pop | # same as for the master
|
1705 | d6a02168 | Michael Hanselmann | myself = cfg.GetNodeInfo(self.cfg.GetMasterNode())
|
1706 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
1707 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
1708 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
1709 | a8083063 | Iustin Pop | if master_singlehomed:
|
1710 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
1711 | 3ecf6786 | Iustin Pop | " new node has one")
|
1712 | a8083063 | Iustin Pop | else:
|
1713 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
1714 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
1715 | a8083063 | Iustin Pop | |
1716 | a8083063 | Iustin Pop | # checks reachablity
|
1717 | b15d625f | Iustin Pop | if not utils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
1718 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
1719 | a8083063 | Iustin Pop | |
1720 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
1721 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
1722 | b15d625f | Iustin Pop | if not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
1723 | b15d625f | Iustin Pop | source=myself.secondary_ip): |
1724 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
1725 | f4bc1f2c | Michael Hanselmann | " based ping to noded port")
|
1726 | a8083063 | Iustin Pop | |
1727 | a8083063 | Iustin Pop | self.new_node = objects.Node(name=node,
|
1728 | a8083063 | Iustin Pop | primary_ip=primary_ip, |
1729 | a8083063 | Iustin Pop | secondary_ip=secondary_ip) |
1730 | a8083063 | Iustin Pop | |
1731 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1732 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
1733 | a8083063 | Iustin Pop |
|
1734 | a8083063 | Iustin Pop | """
|
1735 | a8083063 | Iustin Pop | new_node = self.new_node
|
1736 | a8083063 | Iustin Pop | node = new_node.name |
1737 | a8083063 | Iustin Pop | |
1738 | a8083063 | Iustin Pop | # check connectivity
|
1739 | 72737a7f | Iustin Pop | result = self.rpc.call_version([node])[node]
|
1740 | a8083063 | Iustin Pop | if result:
|
1741 | a8083063 | Iustin Pop | if constants.PROTOCOL_VERSION == result:
|
1742 | a8083063 | Iustin Pop | logger.Info("communication to node %s fine, sw version %s match" %
|
1743 | a8083063 | Iustin Pop | (node, result)) |
1744 | a8083063 | Iustin Pop | else:
|
1745 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
1746 | 3ecf6786 | Iustin Pop | " node version %s" %
|
1747 | 3ecf6786 | Iustin Pop | (constants.PROTOCOL_VERSION, result)) |
1748 | a8083063 | Iustin Pop | else:
|
1749 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot get version from the new node") |
1750 | a8083063 | Iustin Pop | |
1751 | a8083063 | Iustin Pop | # setup ssh on node
|
1752 | a8083063 | Iustin Pop | logger.Info("copy ssh key to node %s" % node)
|
1753 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
1754 | a8083063 | Iustin Pop | keyarray = [] |
1755 | 70d9e3d8 | Iustin Pop | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
1756 | 70d9e3d8 | Iustin Pop | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
1757 | 70d9e3d8 | Iustin Pop | priv_key, pub_key] |
1758 | a8083063 | Iustin Pop | |
1759 | a8083063 | Iustin Pop | for i in keyfiles: |
1760 | a8083063 | Iustin Pop | f = open(i, 'r') |
1761 | a8083063 | Iustin Pop | try:
|
1762 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
1763 | a8083063 | Iustin Pop | finally:
|
1764 | a8083063 | Iustin Pop | f.close() |
1765 | a8083063 | Iustin Pop | |
1766 | 72737a7f | Iustin Pop | result = self.rpc.call_node_add(node, keyarray[0], keyarray[1], |
1767 | 72737a7f | Iustin Pop | keyarray[2],
|
1768 | 72737a7f | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
1769 | a8083063 | Iustin Pop | |
1770 | a8083063 | Iustin Pop | if not result: |
1771 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot transfer ssh keys to the new node") |
1772 | a8083063 | Iustin Pop | |
1773 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
1774 | d9c02ca6 | Michael Hanselmann | utils.AddHostToEtcHosts(new_node.name) |
1775 | c8a0948f | Michael Hanselmann | |
1776 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
1777 | caad16e2 | Iustin Pop | if not self.rpc.call_node_has_ip_address(new_node.name, |
1778 | caad16e2 | Iustin Pop | new_node.secondary_ip): |
1779 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
1780 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
1781 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
1782 | a8083063 | Iustin Pop | |
1783 | d6a02168 | Michael Hanselmann | node_verify_list = [self.cfg.GetMasterNode()]
|
1784 | 5c0527ed | Guido Trotter | node_verify_param = { |
1785 | 5c0527ed | Guido Trotter | 'nodelist': [node],
|
1786 | 5c0527ed | Guido Trotter | # TODO: do a node-net-test as well?
|
1787 | 5c0527ed | Guido Trotter | } |
1788 | 5c0527ed | Guido Trotter | |
1789 | 72737a7f | Iustin Pop | result = self.rpc.call_node_verify(node_verify_list, node_verify_param,
|
1790 | 72737a7f | Iustin Pop | self.cfg.GetClusterName())
|
1791 | 5c0527ed | Guido Trotter | for verifier in node_verify_list: |
1792 | 5c0527ed | Guido Trotter | if not result[verifier]: |
1793 | 5c0527ed | Guido Trotter | raise errors.OpExecError("Cannot communicate with %s's node daemon" |
1794 | 5c0527ed | Guido Trotter | " for remote verification" % verifier)
|
1795 | 5c0527ed | Guido Trotter | if result[verifier]['nodelist']: |
1796 | 5c0527ed | Guido Trotter | for failed in result[verifier]['nodelist']: |
1797 | 5c0527ed | Guido Trotter | feedback_fn("ssh/hostname verification failed %s -> %s" %
|
1798 | 5c0527ed | Guido Trotter | (verifier, result[verifier]['nodelist'][failed]))
|
1799 | 5c0527ed | Guido Trotter | raise errors.OpExecError("ssh/hostname verification failed.") |
1800 | ff98055b | Iustin Pop | |
1801 | a8083063 | Iustin Pop | # Distribute updated /etc/hosts and known_hosts to all nodes,
|
1802 | a8083063 | Iustin Pop | # including the node just added
|
1803 | d6a02168 | Michael Hanselmann | myself = self.cfg.GetNodeInfo(self.cfg.GetMasterNode()) |
1804 | 102b115b | Michael Hanselmann | dist_nodes = self.cfg.GetNodeList()
|
1805 | 102b115b | Michael Hanselmann | if not self.op.readd: |
1806 | 102b115b | Michael Hanselmann | dist_nodes.append(node) |
1807 | a8083063 | Iustin Pop | if myself.name in dist_nodes: |
1808 | a8083063 | Iustin Pop | dist_nodes.remove(myself.name) |
1809 | a8083063 | Iustin Pop | |
1810 | a8083063 | Iustin Pop | logger.Debug("Copying hosts and known_hosts to all nodes")
|
1811 | 107711b0 | Michael Hanselmann | for fname in (constants.ETC_HOSTS, constants.SSH_KNOWN_HOSTS_FILE): |
1812 | 72737a7f | Iustin Pop | result = self.rpc.call_upload_file(dist_nodes, fname)
|
1813 | a8083063 | Iustin Pop | for to_node in dist_nodes: |
1814 | a8083063 | Iustin Pop | if not result[to_node]: |
1815 | a8083063 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1816 | a8083063 | Iustin Pop | (fname, to_node)) |
1817 | a8083063 | Iustin Pop | |
1818 | d6a02168 | Michael Hanselmann | to_copy = [] |
1819 | 00cd937c | Iustin Pop | if constants.HT_XEN_HVM in self.cfg.GetClusterInfo().enabled_hypervisors: |
1820 | 2a6469d5 | Alexander Schreiber | to_copy.append(constants.VNC_PASSWORD_FILE) |
1821 | a8083063 | Iustin Pop | for fname in to_copy: |
1822 | 72737a7f | Iustin Pop | result = self.rpc.call_upload_file([node], fname)
|
1823 | b5602d15 | Guido Trotter | if not result[node]: |
1824 | a8083063 | Iustin Pop | logger.Error("could not copy file %s to node %s" % (fname, node))
|
1825 | a8083063 | Iustin Pop | |
1826 | d8470559 | Michael Hanselmann | if self.op.readd: |
1827 | d8470559 | Michael Hanselmann | self.context.ReaddNode(new_node)
|
1828 | d8470559 | Michael Hanselmann | else:
|
1829 | d8470559 | Michael Hanselmann | self.context.AddNode(new_node)
|
1830 | a8083063 | Iustin Pop | |
1831 | a8083063 | Iustin Pop | |
1832 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
1833 | a8083063 | Iustin Pop | """Query cluster configuration.
|
1834 | a8083063 | Iustin Pop |
|
1835 | a8083063 | Iustin Pop | """
|
1836 | a8083063 | Iustin Pop | _OP_REQP = [] |
1837 | 59322403 | Iustin Pop | REQ_MASTER = False
|
1838 | 642339cf | Guido Trotter | REQ_BGL = False
|
1839 | 642339cf | Guido Trotter | |
1840 | 642339cf | Guido Trotter | def ExpandNames(self): |
1841 | 642339cf | Guido Trotter | self.needed_locks = {}
|
1842 | a8083063 | Iustin Pop | |
1843 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1844 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
1845 | a8083063 | Iustin Pop |
|
1846 | a8083063 | Iustin Pop | """
|
1847 | a8083063 | Iustin Pop | pass
|
1848 | a8083063 | Iustin Pop | |
1849 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1850 | a8083063 | Iustin Pop | """Return cluster config.
|
1851 | a8083063 | Iustin Pop |
|
1852 | a8083063 | Iustin Pop | """
|
1853 | a8083063 | Iustin Pop | result = { |
1854 | d6a02168 | Michael Hanselmann | "name": self.cfg.GetClusterName(), |
1855 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
1856 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
1857 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
1858 | a8083063 | Iustin Pop | "os_api_version": constants.OS_API_VERSION,
|
1859 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
1860 | d6a02168 | Michael Hanselmann | "master": self.cfg.GetMasterNode(), |
1861 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
1862 | d6a02168 | Michael Hanselmann | "hypervisor_type": self.cfg.GetHypervisorType(), |
1863 | e69d05fd | Iustin Pop | "enabled_hypervisors": self.cfg.GetClusterInfo().enabled_hypervisors, |
1864 | a8083063 | Iustin Pop | } |
1865 | a8083063 | Iustin Pop | |
1866 | a8083063 | Iustin Pop | return result
|
1867 | a8083063 | Iustin Pop | |
1868 | a8083063 | Iustin Pop | |
1869 | ae5849b5 | Michael Hanselmann | class LUQueryConfigValues(NoHooksLU): |
1870 | ae5849b5 | Michael Hanselmann | """Return configuration values.
|
1871 | a8083063 | Iustin Pop |
|
1872 | a8083063 | Iustin Pop | """
|
1873 | a8083063 | Iustin Pop | _OP_REQP = [] |
1874 | 642339cf | Guido Trotter | REQ_BGL = False
|
1875 | 642339cf | Guido Trotter | |
1876 | 642339cf | Guido Trotter | def ExpandNames(self): |
1877 | 642339cf | Guido Trotter | self.needed_locks = {}
|
1878 | a8083063 | Iustin Pop | |
1879 | ae5849b5 | Michael Hanselmann | static_fields = ["cluster_name", "master_node"] |
1880 | ae5849b5 | Michael Hanselmann | _CheckOutputFields(static=static_fields, |
1881 | ae5849b5 | Michael Hanselmann | dynamic=[], |
1882 | ae5849b5 | Michael Hanselmann | selected=self.op.output_fields)
|
1883 | ae5849b5 | Michael Hanselmann | |
1884 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1885 | a8083063 | Iustin Pop | """No prerequisites.
|
1886 | a8083063 | Iustin Pop |
|
1887 | a8083063 | Iustin Pop | """
|
1888 | a8083063 | Iustin Pop | pass
|
1889 | a8083063 | Iustin Pop | |
1890 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1891 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
1892 | a8083063 | Iustin Pop |
|
1893 | a8083063 | Iustin Pop | """
|
1894 | ae5849b5 | Michael Hanselmann | values = [] |
1895 | ae5849b5 | Michael Hanselmann | for field in self.op.output_fields: |
1896 | ae5849b5 | Michael Hanselmann | if field == "cluster_name": |
1897 | ae5849b5 | Michael Hanselmann | values.append(self.cfg.GetClusterName())
|
1898 | ae5849b5 | Michael Hanselmann | elif field == "master_node": |
1899 | ae5849b5 | Michael Hanselmann | values.append(self.cfg.GetMasterNode())
|
1900 | ae5849b5 | Michael Hanselmann | else:
|
1901 | ae5849b5 | Michael Hanselmann | raise errors.ParameterError(field)
|
1902 | ae5849b5 | Michael Hanselmann | return values
|
1903 | a8083063 | Iustin Pop | |
1904 | a8083063 | Iustin Pop | |
1905 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
1906 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
1907 | a8083063 | Iustin Pop |
|
1908 | a8083063 | Iustin Pop | """
|
1909 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1910 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
1911 | f22a8ba3 | Guido Trotter | |
1912 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
1913 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
1914 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
1915 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
1916 | f22a8ba3 | Guido Trotter | |
1917 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
1918 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
1919 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
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 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
1928 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
1929 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
1930 | a8083063 | Iustin Pop | |
1931 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1932 | a8083063 | Iustin Pop | """Activate the disks.
|
1933 | a8083063 | Iustin Pop |
|
1934 | a8083063 | Iustin Pop | """
|
1935 | b9bddb6b | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self, self.instance) |
1936 | a8083063 | Iustin Pop | if not disks_ok: |
1937 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
1938 | a8083063 | Iustin Pop | |
1939 | a8083063 | Iustin Pop | return disks_info
|
1940 | a8083063 | Iustin Pop | |
1941 | a8083063 | Iustin Pop | |
1942 | b9bddb6b | Iustin Pop | def _AssembleInstanceDisks(lu, instance, ignore_secondaries=False): |
1943 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
1944 | a8083063 | Iustin Pop |
|
1945 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
1946 | a8083063 | Iustin Pop |
|
1947 | a8083063 | Iustin Pop | Args:
|
1948 | a8083063 | Iustin Pop | instance: a ganeti.objects.Instance object
|
1949 | a8083063 | Iustin Pop | ignore_secondaries: if true, errors on secondary nodes won't result
|
1950 | a8083063 | Iustin Pop | in an error return from the function
|
1951 | a8083063 | Iustin Pop |
|
1952 | a8083063 | Iustin Pop | Returns:
|
1953 | a8083063 | Iustin Pop | false if the operation failed
|
1954 | a8083063 | Iustin Pop | list of (host, instance_visible_name, node_visible_name) if the operation
|
1955 | a8083063 | Iustin Pop | suceeded with the mapping from node devices to instance devices
|
1956 | a8083063 | Iustin Pop | """
|
1957 | a8083063 | Iustin Pop | device_info = [] |
1958 | a8083063 | Iustin Pop | disks_ok = True
|
1959 | fdbd668d | Iustin Pop | iname = instance.name |
1960 | fdbd668d | Iustin Pop | # With the two passes mechanism we try to reduce the window of
|
1961 | fdbd668d | Iustin Pop | # opportunity for the race condition of switching DRBD to primary
|
1962 | fdbd668d | Iustin Pop | # before handshaking occured, but we do not eliminate it
|
1963 | fdbd668d | Iustin Pop | |
1964 | fdbd668d | Iustin Pop | # The proper fix would be to wait (with some limits) until the
|
1965 | fdbd668d | Iustin Pop | # connection has been made and drbd transitions from WFConnection
|
1966 | fdbd668d | Iustin Pop | # into any other network-connected state (Connected, SyncTarget,
|
1967 | fdbd668d | Iustin Pop | # SyncSource, etc.)
|
1968 | fdbd668d | Iustin Pop | |
1969 | fdbd668d | Iustin Pop | # 1st pass, assemble on all nodes in secondary mode
|
1970 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
1971 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1972 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
1973 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, False)
|
1974 | a8083063 | Iustin Pop | if not result: |
1975 | f4bc1f2c | Michael Hanselmann | logger.Error("could not prepare block device %s on node %s"
|
1976 | fdbd668d | Iustin Pop | " (is_primary=False, pass=1)" % (inst_disk.iv_name, node))
|
1977 | fdbd668d | Iustin Pop | if not ignore_secondaries: |
1978 | a8083063 | Iustin Pop | disks_ok = False
|
1979 | fdbd668d | Iustin Pop | |
1980 | fdbd668d | Iustin Pop | # FIXME: race condition on drbd migration to primary
|
1981 | fdbd668d | Iustin Pop | |
1982 | fdbd668d | Iustin Pop | # 2nd pass, do only the primary node
|
1983 | fdbd668d | Iustin Pop | for inst_disk in instance.disks: |
1984 | fdbd668d | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1985 | fdbd668d | Iustin Pop | if node != instance.primary_node:
|
1986 | fdbd668d | Iustin Pop | continue
|
1987 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(node_disk, node) |
1988 | 72737a7f | Iustin Pop | result = lu.rpc.call_blockdev_assemble(node, node_disk, iname, True)
|
1989 | fdbd668d | Iustin Pop | if not result: |
1990 | fdbd668d | Iustin Pop | logger.Error("could not prepare block device %s on node %s"
|
1991 | fdbd668d | Iustin Pop | " (is_primary=True, pass=2)" % (inst_disk.iv_name, node))
|
1992 | fdbd668d | Iustin Pop | disks_ok = False
|
1993 | fdbd668d | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, result)) |
1994 | a8083063 | Iustin Pop | |
1995 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
1996 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
1997 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
1998 | b352ab5b | Iustin Pop | for disk in instance.disks: |
1999 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, instance.primary_node) |
2000 | b352ab5b | Iustin Pop | |
2001 | a8083063 | Iustin Pop | return disks_ok, device_info
|
2002 | a8083063 | Iustin Pop | |
2003 | a8083063 | Iustin Pop | |
2004 | b9bddb6b | Iustin Pop | def _StartInstanceDisks(lu, instance, force): |
2005 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
2006 | 3ecf6786 | Iustin Pop |
|
2007 | 3ecf6786 | Iustin Pop | """
|
2008 | b9bddb6b | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(lu, instance, |
2009 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
2010 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
2011 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
2012 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
2013 | fe7b0351 | Michael Hanselmann | logger.Error("If the message above refers to a secondary node,"
|
2014 | fe7b0351 | Michael Hanselmann | " you can retry the operation using '--force'.")
|
2015 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
2016 | fe7b0351 | Michael Hanselmann | |
2017 | fe7b0351 | Michael Hanselmann | |
2018 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
2019 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
2020 | a8083063 | Iustin Pop |
|
2021 | a8083063 | Iustin Pop | """
|
2022 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2023 | f22a8ba3 | Guido Trotter | REQ_BGL = False
|
2024 | f22a8ba3 | Guido Trotter | |
2025 | f22a8ba3 | Guido Trotter | def ExpandNames(self): |
2026 | f22a8ba3 | Guido Trotter | self._ExpandAndLockInstance()
|
2027 | f22a8ba3 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2028 | f22a8ba3 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2029 | f22a8ba3 | Guido Trotter | |
2030 | f22a8ba3 | Guido Trotter | def DeclareLocks(self, level): |
2031 | f22a8ba3 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2032 | f22a8ba3 | Guido Trotter | self._LockInstancesNodes()
|
2033 | a8083063 | Iustin Pop | |
2034 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2035 | a8083063 | Iustin Pop | """Check prerequisites.
|
2036 | a8083063 | Iustin Pop |
|
2037 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2038 | a8083063 | Iustin Pop |
|
2039 | a8083063 | Iustin Pop | """
|
2040 | f22a8ba3 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2041 | f22a8ba3 | Guido Trotter | assert self.instance is not None, \ |
2042 | f22a8ba3 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2043 | a8083063 | Iustin Pop | |
2044 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2045 | a8083063 | Iustin Pop | """Deactivate the disks
|
2046 | a8083063 | Iustin Pop |
|
2047 | a8083063 | Iustin Pop | """
|
2048 | a8083063 | Iustin Pop | instance = self.instance
|
2049 | b9bddb6b | Iustin Pop | _SafeShutdownInstanceDisks(self, instance)
|
2050 | a8083063 | Iustin Pop | |
2051 | a8083063 | Iustin Pop | |
2052 | b9bddb6b | Iustin Pop | def _SafeShutdownInstanceDisks(lu, instance): |
2053 | 155d6c75 | Guido Trotter | """Shutdown block devices of an instance.
|
2054 | 155d6c75 | Guido Trotter |
|
2055 | 155d6c75 | Guido Trotter | This function checks if an instance is running, before calling
|
2056 | 155d6c75 | Guido Trotter | _ShutdownInstanceDisks.
|
2057 | 155d6c75 | Guido Trotter |
|
2058 | 155d6c75 | Guido Trotter | """
|
2059 | 72737a7f | Iustin Pop | ins_l = lu.rpc.call_instance_list([instance.primary_node], |
2060 | 72737a7f | Iustin Pop | [instance.hypervisor]) |
2061 | 155d6c75 | Guido Trotter | ins_l = ins_l[instance.primary_node] |
2062 | 155d6c75 | Guido Trotter | if not type(ins_l) is list: |
2063 | 155d6c75 | Guido Trotter | raise errors.OpExecError("Can't contact node '%s'" % |
2064 | 155d6c75 | Guido Trotter | instance.primary_node) |
2065 | 155d6c75 | Guido Trotter | |
2066 | 155d6c75 | Guido Trotter | if instance.name in ins_l: |
2067 | 155d6c75 | Guido Trotter | raise errors.OpExecError("Instance is running, can't shutdown" |
2068 | 155d6c75 | Guido Trotter | " block devices.")
|
2069 | 155d6c75 | Guido Trotter | |
2070 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(lu, instance) |
2071 | a8083063 | Iustin Pop | |
2072 | a8083063 | Iustin Pop | |
2073 | b9bddb6b | Iustin Pop | def _ShutdownInstanceDisks(lu, instance, ignore_primary=False): |
2074 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
2075 | a8083063 | Iustin Pop |
|
2076 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
2077 | a8083063 | Iustin Pop |
|
2078 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
2079 | a8083063 | Iustin Pop | ignored.
|
2080 | a8083063 | Iustin Pop |
|
2081 | a8083063 | Iustin Pop | """
|
2082 | a8083063 | Iustin Pop | result = True
|
2083 | a8083063 | Iustin Pop | for disk in instance.disks: |
2084 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
2085 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(top_disk, node) |
2086 | 72737a7f | Iustin Pop | if not lu.rpc.call_blockdev_shutdown(node, top_disk): |
2087 | a8083063 | Iustin Pop | logger.Error("could not shutdown block device %s on node %s" %
|
2088 | a8083063 | Iustin Pop | (disk.iv_name, node)) |
2089 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
2090 | a8083063 | Iustin Pop | result = False
|
2091 | a8083063 | Iustin Pop | return result
|
2092 | a8083063 | Iustin Pop | |
2093 | a8083063 | Iustin Pop | |
2094 | b9bddb6b | Iustin Pop | def _CheckNodeFreeMemory(lu, node, reason, requested, hypervisor): |
2095 | d4f16fd9 | Iustin Pop | """Checks if a node has enough free memory.
|
2096 | d4f16fd9 | Iustin Pop |
|
2097 | d4f16fd9 | Iustin Pop | This function check if a given node has the needed amount of free
|
2098 | d4f16fd9 | Iustin Pop | memory. In case the node has less memory or we cannot get the
|
2099 | d4f16fd9 | Iustin Pop | information from the node, this function raise an OpPrereqError
|
2100 | d4f16fd9 | Iustin Pop | exception.
|
2101 | d4f16fd9 | Iustin Pop |
|
2102 | b9bddb6b | Iustin Pop | @type lu: C{LogicalUnit}
|
2103 | b9bddb6b | Iustin Pop | @param lu: a logical unit from which we get configuration data
|
2104 | e69d05fd | Iustin Pop | @type node: C{str}
|
2105 | e69d05fd | Iustin Pop | @param node: the node to check
|
2106 | e69d05fd | Iustin Pop | @type reason: C{str}
|
2107 | e69d05fd | Iustin Pop | @param reason: string to use in the error message
|
2108 | e69d05fd | Iustin Pop | @type requested: C{int}
|
2109 | e69d05fd | Iustin Pop | @param requested: the amount of memory in MiB to check for
|
2110 | e69d05fd | Iustin Pop | @type hypervisor: C{str}
|
2111 | e69d05fd | Iustin Pop | @param hypervisor: the hypervisor to ask for memory stats
|
2112 | e69d05fd | Iustin Pop | @raise errors.OpPrereqError: if the node doesn't have enough memory, or
|
2113 | e69d05fd | Iustin Pop | we cannot check the node
|
2114 | d4f16fd9 | Iustin Pop |
|
2115 | d4f16fd9 | Iustin Pop | """
|
2116 | 72737a7f | Iustin Pop | nodeinfo = lu.rpc.call_node_info([node], lu.cfg.GetVGName(), hypervisor) |
2117 | d4f16fd9 | Iustin Pop | if not nodeinfo or not isinstance(nodeinfo, dict): |
2118 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Could not contact node %s for resource" |
2119 | d4f16fd9 | Iustin Pop | " information" % (node,))
|
2120 | d4f16fd9 | Iustin Pop | |
2121 | d4f16fd9 | Iustin Pop | free_mem = nodeinfo[node].get('memory_free')
|
2122 | d4f16fd9 | Iustin Pop | if not isinstance(free_mem, int): |
2123 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Can't compute free memory on node %s, result" |
2124 | d4f16fd9 | Iustin Pop | " was '%s'" % (node, free_mem))
|
2125 | d4f16fd9 | Iustin Pop | if requested > free_mem:
|
2126 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on node %s for %s:" |
2127 | d4f16fd9 | Iustin Pop | " needed %s MiB, available %s MiB" %
|
2128 | d4f16fd9 | Iustin Pop | (node, reason, requested, free_mem)) |
2129 | d4f16fd9 | Iustin Pop | |
2130 | d4f16fd9 | Iustin Pop | |
2131 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
2132 | a8083063 | Iustin Pop | """Starts an instance.
|
2133 | a8083063 | Iustin Pop |
|
2134 | a8083063 | Iustin Pop | """
|
2135 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
2136 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2137 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
2138 | e873317a | Guido Trotter | REQ_BGL = False
|
2139 | e873317a | Guido Trotter | |
2140 | e873317a | Guido Trotter | def ExpandNames(self): |
2141 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2142 | e873317a | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2143 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2144 | e873317a | Guido Trotter | |
2145 | e873317a | Guido Trotter | def DeclareLocks(self, level): |
2146 | e873317a | Guido Trotter | if level == locking.LEVEL_NODE:
|
2147 | e873317a | Guido Trotter | self._LockInstancesNodes()
|
2148 | a8083063 | Iustin Pop | |
2149 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2150 | a8083063 | Iustin Pop | """Build hooks env.
|
2151 | a8083063 | Iustin Pop |
|
2152 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2153 | a8083063 | Iustin Pop |
|
2154 | a8083063 | Iustin Pop | """
|
2155 | a8083063 | Iustin Pop | env = { |
2156 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
2157 | a8083063 | Iustin Pop | } |
2158 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2159 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2160 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2161 | a8083063 | Iustin Pop | return env, nl, nl
|
2162 | a8083063 | Iustin Pop | |
2163 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2164 | a8083063 | Iustin Pop | """Check prerequisites.
|
2165 | a8083063 | Iustin Pop |
|
2166 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2167 | a8083063 | Iustin Pop |
|
2168 | a8083063 | Iustin Pop | """
|
2169 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2170 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2171 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2172 | a8083063 | Iustin Pop | |
2173 | a8083063 | Iustin Pop | # check bridges existance
|
2174 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
2175 | a8083063 | Iustin Pop | |
2176 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, instance.primary_node,
|
2177 | d4f16fd9 | Iustin Pop | "starting instance %s" % instance.name,
|
2178 | e69d05fd | Iustin Pop | instance.memory, instance.hypervisor) |
2179 | d4f16fd9 | Iustin Pop | |
2180 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2181 | a8083063 | Iustin Pop | """Start the instance.
|
2182 | a8083063 | Iustin Pop |
|
2183 | a8083063 | Iustin Pop | """
|
2184 | a8083063 | Iustin Pop | instance = self.instance
|
2185 | a8083063 | Iustin Pop | force = self.op.force
|
2186 | a8083063 | Iustin Pop | extra_args = getattr(self.op, "extra_args", "") |
2187 | a8083063 | Iustin Pop | |
2188 | fe482621 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
2189 | fe482621 | Iustin Pop | |
2190 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2191 | a8083063 | Iustin Pop | |
2192 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, force)
|
2193 | a8083063 | Iustin Pop | |
2194 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(node_current, instance, extra_args): |
2195 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2196 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
2197 | a8083063 | Iustin Pop | |
2198 | a8083063 | Iustin Pop | |
2199 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
2200 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
2201 | bf6929a2 | Alexander Schreiber |
|
2202 | bf6929a2 | Alexander Schreiber | """
|
2203 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
2204 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
2205 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
2206 | e873317a | Guido Trotter | REQ_BGL = False
|
2207 | e873317a | Guido Trotter | |
2208 | e873317a | Guido Trotter | def ExpandNames(self): |
2209 | 0fcc5db3 | Guido Trotter | if self.op.reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
2210 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
2211 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL]: |
2212 | 0fcc5db3 | Guido Trotter | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
2213 | 0fcc5db3 | Guido Trotter | (constants.INSTANCE_REBOOT_SOFT, |
2214 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
2215 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL)) |
2216 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2217 | e873317a | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2218 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2219 | e873317a | Guido Trotter | |
2220 | e873317a | Guido Trotter | def DeclareLocks(self, level): |
2221 | e873317a | Guido Trotter | if level == locking.LEVEL_NODE:
|
2222 | 849da276 | Guido Trotter | primary_only = not constants.INSTANCE_REBOOT_FULL
|
2223 | 849da276 | Guido Trotter | self._LockInstancesNodes(primary_only=primary_only)
|
2224 | bf6929a2 | Alexander Schreiber | |
2225 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
2226 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
2227 | bf6929a2 | Alexander Schreiber |
|
2228 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
2229 | bf6929a2 | Alexander Schreiber |
|
2230 | bf6929a2 | Alexander Schreiber | """
|
2231 | bf6929a2 | Alexander Schreiber | env = { |
2232 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
2233 | bf6929a2 | Alexander Schreiber | } |
2234 | bf6929a2 | Alexander Schreiber | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2235 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2236 | bf6929a2 | Alexander Schreiber | list(self.instance.secondary_nodes)) |
2237 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
2238 | bf6929a2 | Alexander Schreiber | |
2239 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
2240 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
2241 | bf6929a2 | Alexander Schreiber |
|
2242 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
2243 | bf6929a2 | Alexander Schreiber |
|
2244 | bf6929a2 | Alexander Schreiber | """
|
2245 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2246 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2247 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2248 | bf6929a2 | Alexander Schreiber | |
2249 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
2250 | b9bddb6b | Iustin Pop | _CheckInstanceBridgesExist(self, instance)
|
2251 | bf6929a2 | Alexander Schreiber | |
2252 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
2253 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
2254 | bf6929a2 | Alexander Schreiber |
|
2255 | bf6929a2 | Alexander Schreiber | """
|
2256 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
2257 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
2258 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
2259 | bf6929a2 | Alexander Schreiber | extra_args = getattr(self.op, "extra_args", "") |
2260 | bf6929a2 | Alexander Schreiber | |
2261 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
2262 | bf6929a2 | Alexander Schreiber | |
2263 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
2264 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
2265 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_reboot(node_current, instance, |
2266 | 72737a7f | Iustin Pop | reboot_type, extra_args): |
2267 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not reboot instance") |
2268 | bf6929a2 | Alexander Schreiber | else:
|
2269 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(node_current, instance): |
2270 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("could not shutdown instance for full reboot") |
2271 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2272 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, ignore_secondaries)
|
2273 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(node_current, instance, extra_args): |
2274 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2275 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not start instance for full reboot") |
2276 | bf6929a2 | Alexander Schreiber | |
2277 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
2278 | bf6929a2 | Alexander Schreiber | |
2279 | bf6929a2 | Alexander Schreiber | |
2280 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
2281 | a8083063 | Iustin Pop | """Shutdown an instance.
|
2282 | a8083063 | Iustin Pop |
|
2283 | a8083063 | Iustin Pop | """
|
2284 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
2285 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2286 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2287 | e873317a | Guido Trotter | REQ_BGL = False
|
2288 | e873317a | Guido Trotter | |
2289 | e873317a | Guido Trotter | def ExpandNames(self): |
2290 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2291 | e873317a | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2292 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2293 | e873317a | Guido Trotter | |
2294 | e873317a | Guido Trotter | def DeclareLocks(self, level): |
2295 | e873317a | Guido Trotter | if level == locking.LEVEL_NODE:
|
2296 | e873317a | Guido Trotter | self._LockInstancesNodes()
|
2297 | a8083063 | Iustin Pop | |
2298 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2299 | a8083063 | Iustin Pop | """Build hooks env.
|
2300 | a8083063 | Iustin Pop |
|
2301 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2302 | a8083063 | Iustin Pop |
|
2303 | a8083063 | Iustin Pop | """
|
2304 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2305 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2306 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2307 | a8083063 | Iustin Pop | return env, nl, nl
|
2308 | a8083063 | Iustin Pop | |
2309 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2310 | a8083063 | Iustin Pop | """Check prerequisites.
|
2311 | a8083063 | Iustin Pop |
|
2312 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2313 | a8083063 | Iustin Pop |
|
2314 | a8083063 | Iustin Pop | """
|
2315 | e873317a | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2316 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2317 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2318 | a8083063 | Iustin Pop | |
2319 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2320 | a8083063 | Iustin Pop | """Shutdown the instance.
|
2321 | a8083063 | Iustin Pop |
|
2322 | a8083063 | Iustin Pop | """
|
2323 | a8083063 | Iustin Pop | instance = self.instance
|
2324 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2325 | fe482621 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
2326 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(node_current, instance): |
2327 | a8083063 | Iustin Pop | logger.Error("could not shutdown instance")
|
2328 | a8083063 | Iustin Pop | |
2329 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2330 | a8083063 | Iustin Pop | |
2331 | a8083063 | Iustin Pop | |
2332 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
2333 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
2334 | fe7b0351 | Michael Hanselmann |
|
2335 | fe7b0351 | Michael Hanselmann | """
|
2336 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
2337 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
2338 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
2339 | 4e0b4d2d | Guido Trotter | REQ_BGL = False
|
2340 | 4e0b4d2d | Guido Trotter | |
2341 | 4e0b4d2d | Guido Trotter | def ExpandNames(self): |
2342 | 4e0b4d2d | Guido Trotter | self._ExpandAndLockInstance()
|
2343 | 4e0b4d2d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2344 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2345 | 4e0b4d2d | Guido Trotter | |
2346 | 4e0b4d2d | Guido Trotter | def DeclareLocks(self, level): |
2347 | 4e0b4d2d | Guido Trotter | if level == locking.LEVEL_NODE:
|
2348 | 4e0b4d2d | Guido Trotter | self._LockInstancesNodes()
|
2349 | fe7b0351 | Michael Hanselmann | |
2350 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
2351 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
2352 | fe7b0351 | Michael Hanselmann |
|
2353 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
2354 | fe7b0351 | Michael Hanselmann |
|
2355 | fe7b0351 | Michael Hanselmann | """
|
2356 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2357 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2358 | fe7b0351 | Michael Hanselmann | list(self.instance.secondary_nodes)) |
2359 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
2360 | fe7b0351 | Michael Hanselmann | |
2361 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
2362 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
2363 | fe7b0351 | Michael Hanselmann |
|
2364 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
2365 | fe7b0351 | Michael Hanselmann |
|
2366 | fe7b0351 | Michael Hanselmann | """
|
2367 | 4e0b4d2d | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2368 | 4e0b4d2d | Guido Trotter | assert instance is not None, \ |
2369 | 4e0b4d2d | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2370 | 4e0b4d2d | Guido Trotter | |
2371 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
2372 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
2373 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2374 | fe7b0351 | Michael Hanselmann | if instance.status != "down": |
2375 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2376 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2377 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
2378 | 72737a7f | Iustin Pop | instance.name, |
2379 | 72737a7f | Iustin Pop | instance.hypervisor) |
2380 | fe7b0351 | Michael Hanselmann | if remote_info:
|
2381 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2382 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
2383 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
2384 | d0834de3 | Michael Hanselmann | |
2385 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
2386 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2387 | d0834de3 | Michael Hanselmann | # OS verification
|
2388 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
2389 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
2390 | d0834de3 | Michael Hanselmann | if pnode is None: |
2391 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2392 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2393 | 72737a7f | Iustin Pop | os_obj = self.rpc.call_os_get(pnode.name, self.op.os_type) |
2394 | dfa96ded | Guido Trotter | if not os_obj: |
2395 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported OS list for" |
2396 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2397 | d0834de3 | Michael Hanselmann | |
2398 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
2399 | fe7b0351 | Michael Hanselmann | |
2400 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
2401 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
2402 | fe7b0351 | Michael Hanselmann |
|
2403 | fe7b0351 | Michael Hanselmann | """
|
2404 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
2405 | fe7b0351 | Michael Hanselmann | |
2406 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2407 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
2408 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
2409 | 97abc79f | Iustin Pop | self.cfg.Update(inst)
|
2410 | d0834de3 | Michael Hanselmann | |
2411 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
2412 | fe7b0351 | Michael Hanselmann | try:
|
2413 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
2414 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_os_add(inst.primary_node, inst, |
2415 | 72737a7f | Iustin Pop | "sda", "sdb"): |
2416 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Could not install OS for instance %s" |
2417 | f4bc1f2c | Michael Hanselmann | " on node %s" %
|
2418 | 3ecf6786 | Iustin Pop | (inst.name, inst.primary_node)) |
2419 | fe7b0351 | Michael Hanselmann | finally:
|
2420 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
2421 | fe7b0351 | Michael Hanselmann | |
2422 | fe7b0351 | Michael Hanselmann | |
2423 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
2424 | decd5f45 | Iustin Pop | """Rename an instance.
|
2425 | decd5f45 | Iustin Pop |
|
2426 | decd5f45 | Iustin Pop | """
|
2427 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
2428 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2429 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
2430 | decd5f45 | Iustin Pop | |
2431 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
2432 | decd5f45 | Iustin Pop | """Build hooks env.
|
2433 | decd5f45 | Iustin Pop |
|
2434 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2435 | decd5f45 | Iustin Pop |
|
2436 | decd5f45 | Iustin Pop | """
|
2437 | decd5f45 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self.instance)
|
2438 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
2439 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.instance.primary_node] + |
2440 | decd5f45 | Iustin Pop | list(self.instance.secondary_nodes)) |
2441 | decd5f45 | Iustin Pop | return env, nl, nl
|
2442 | decd5f45 | Iustin Pop | |
2443 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
2444 | decd5f45 | Iustin Pop | """Check prerequisites.
|
2445 | decd5f45 | Iustin Pop |
|
2446 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
2447 | decd5f45 | Iustin Pop |
|
2448 | decd5f45 | Iustin Pop | """
|
2449 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2450 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2451 | decd5f45 | Iustin Pop | if instance is None: |
2452 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2453 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2454 | decd5f45 | Iustin Pop | if instance.status != "down": |
2455 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2456 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2457 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
2458 | 72737a7f | Iustin Pop | instance.name, |
2459 | 72737a7f | Iustin Pop | instance.hypervisor) |
2460 | decd5f45 | Iustin Pop | if remote_info:
|
2461 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2462 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
2463 | decd5f45 | Iustin Pop | instance.primary_node)) |
2464 | decd5f45 | Iustin Pop | self.instance = instance
|
2465 | decd5f45 | Iustin Pop | |
2466 | decd5f45 | Iustin Pop | # new name verification
|
2467 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
2468 | decd5f45 | Iustin Pop | |
2469 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
2470 | 7bde3275 | Guido Trotter | instance_list = self.cfg.GetInstanceList()
|
2471 | 7bde3275 | Guido Trotter | if new_name in instance_list: |
2472 | 7bde3275 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
2473 | c09f363f | Manuel Franceschini | new_name) |
2474 | 7bde3275 | Guido Trotter | |
2475 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
2476 | 937f983d | Guido Trotter | if utils.TcpPing(name_info.ip, constants.DEFAULT_NODED_PORT):
|
2477 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
2478 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
2479 | decd5f45 | Iustin Pop | |
2480 | decd5f45 | Iustin Pop | |
2481 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
2482 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
2483 | decd5f45 | Iustin Pop |
|
2484 | decd5f45 | Iustin Pop | """
|
2485 | decd5f45 | Iustin Pop | inst = self.instance
|
2486 | decd5f45 | Iustin Pop | old_name = inst.name |
2487 | decd5f45 | Iustin Pop | |
2488 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2489 | b23c4333 | Manuel Franceschini | old_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2490 | b23c4333 | Manuel Franceschini | |
2491 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
2492 | 74b5913f | Guido Trotter | # Change the instance lock. This is definitely safe while we hold the BGL
|
2493 | 74b5913f | Guido Trotter | self.context.glm.remove(locking.LEVEL_INSTANCE, inst.name)
|
2494 | 74b5913f | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, self.op.new_name) |
2495 | decd5f45 | Iustin Pop | |
2496 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
2497 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
2498 | decd5f45 | Iustin Pop | |
2499 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2500 | b23c4333 | Manuel Franceschini | new_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2501 | 72737a7f | Iustin Pop | result = self.rpc.call_file_storage_dir_rename(inst.primary_node,
|
2502 | 72737a7f | Iustin Pop | old_file_storage_dir, |
2503 | 72737a7f | Iustin Pop | new_file_storage_dir) |
2504 | b23c4333 | Manuel Franceschini | |
2505 | b23c4333 | Manuel Franceschini | if not result: |
2506 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not connect to node '%s' to rename" |
2507 | b23c4333 | Manuel Franceschini | " directory '%s' to '%s' (but the instance"
|
2508 | b23c4333 | Manuel Franceschini | " has been renamed in Ganeti)" % (
|
2509 | b23c4333 | Manuel Franceschini | inst.primary_node, old_file_storage_dir, |
2510 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2511 | b23c4333 | Manuel Franceschini | |
2512 | b23c4333 | Manuel Franceschini | if not result[0]: |
2513 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not rename directory '%s' to '%s'" |
2514 | b23c4333 | Manuel Franceschini | " (but the instance has been renamed in"
|
2515 | b23c4333 | Manuel Franceschini | " Ganeti)" % (old_file_storage_dir,
|
2516 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2517 | b23c4333 | Manuel Franceschini | |
2518 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, inst, None) |
2519 | decd5f45 | Iustin Pop | try:
|
2520 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_run_rename(inst.primary_node, inst, |
2521 | 72737a7f | Iustin Pop | old_name, |
2522 | 72737a7f | Iustin Pop | "sda", "sdb"): |
2523 | 6291574d | Alexander Schreiber | msg = ("Could not run OS rename script for instance %s on node %s"
|
2524 | 6291574d | Alexander Schreiber | " (but the instance has been renamed in Ganeti)" %
|
2525 | decd5f45 | Iustin Pop | (inst.name, inst.primary_node)) |
2526 | decd5f45 | Iustin Pop | logger.Error(msg) |
2527 | decd5f45 | Iustin Pop | finally:
|
2528 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, inst)
|
2529 | decd5f45 | Iustin Pop | |
2530 | decd5f45 | Iustin Pop | |
2531 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
2532 | a8083063 | Iustin Pop | """Remove an instance.
|
2533 | a8083063 | Iustin Pop |
|
2534 | a8083063 | Iustin Pop | """
|
2535 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
2536 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2537 | 5c54b832 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_failures"] |
2538 | cf472233 | Guido Trotter | REQ_BGL = False
|
2539 | cf472233 | Guido Trotter | |
2540 | cf472233 | Guido Trotter | def ExpandNames(self): |
2541 | cf472233 | Guido Trotter | self._ExpandAndLockInstance()
|
2542 | cf472233 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2543 | cf472233 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2544 | cf472233 | Guido Trotter | |
2545 | cf472233 | Guido Trotter | def DeclareLocks(self, level): |
2546 | cf472233 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2547 | cf472233 | Guido Trotter | self._LockInstancesNodes()
|
2548 | a8083063 | Iustin Pop | |
2549 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2550 | a8083063 | Iustin Pop | """Build hooks env.
|
2551 | a8083063 | Iustin Pop |
|
2552 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2553 | a8083063 | Iustin Pop |
|
2554 | a8083063 | Iustin Pop | """
|
2555 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2556 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()]
|
2557 | a8083063 | Iustin Pop | return env, nl, nl
|
2558 | a8083063 | Iustin Pop | |
2559 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2560 | a8083063 | Iustin Pop | """Check prerequisites.
|
2561 | a8083063 | Iustin Pop |
|
2562 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2563 | a8083063 | Iustin Pop |
|
2564 | a8083063 | Iustin Pop | """
|
2565 | cf472233 | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2566 | cf472233 | Guido Trotter | assert self.instance is not None, \ |
2567 | cf472233 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2568 | a8083063 | Iustin Pop | |
2569 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2570 | a8083063 | Iustin Pop | """Remove the instance.
|
2571 | a8083063 | Iustin Pop |
|
2572 | a8083063 | Iustin Pop | """
|
2573 | a8083063 | Iustin Pop | instance = self.instance
|
2574 | a8083063 | Iustin Pop | logger.Info("shutting down instance %s on node %s" %
|
2575 | a8083063 | Iustin Pop | (instance.name, instance.primary_node)) |
2576 | a8083063 | Iustin Pop | |
2577 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(instance.primary_node, instance): |
2578 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2579 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't shutdown instance")
|
2580 | 1d67656e | Iustin Pop | else:
|
2581 | 1d67656e | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2582 | 1d67656e | Iustin Pop | (instance.name, instance.primary_node)) |
2583 | a8083063 | Iustin Pop | |
2584 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2585 | a8083063 | Iustin Pop | |
2586 | b9bddb6b | Iustin Pop | if not _RemoveDisks(self, instance): |
2587 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2588 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
2589 | 1d67656e | Iustin Pop | else:
|
2590 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
2591 | a8083063 | Iustin Pop | |
2592 | a8083063 | Iustin Pop | logger.Info("removing instance %s out of cluster config" % instance.name)
|
2593 | a8083063 | Iustin Pop | |
2594 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
2595 | cf472233 | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = instance.name
|
2596 | a8083063 | Iustin Pop | |
2597 | a8083063 | Iustin Pop | |
2598 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
2599 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
2600 | a8083063 | Iustin Pop |
|
2601 | a8083063 | Iustin Pop | """
|
2602 | 069dcc86 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
2603 | 7eb9d8f7 | Guido Trotter | REQ_BGL = False
|
2604 | a8083063 | Iustin Pop | |
2605 | 7eb9d8f7 | Guido Trotter | def ExpandNames(self): |
2606 | d8052456 | Iustin Pop | self.dynamic_fields = frozenset(["oper_state", "oper_ram", "status"]) |
2607 | 57a2fb91 | Iustin Pop | self.static_fields = frozenset([ |
2608 | 57a2fb91 | Iustin Pop | "name", "os", "pnode", "snodes", |
2609 | 57a2fb91 | Iustin Pop | "admin_state", "admin_ram", |
2610 | 57a2fb91 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
2611 | 57a2fb91 | Iustin Pop | "sda_size", "sdb_size", "vcpus", "tags", |
2612 | 57a2fb91 | Iustin Pop | "network_port", "kernel_path", "initrd_path", |
2613 | 57a2fb91 | Iustin Pop | "hvm_boot_order", "hvm_acpi", "hvm_pae", |
2614 | 57a2fb91 | Iustin Pop | "hvm_cdrom_image_path", "hvm_nic_type", |
2615 | 57a2fb91 | Iustin Pop | "hvm_disk_type", "vnc_bind_address", |
2616 | e69d05fd | Iustin Pop | "serial_no", "hypervisor", |
2617 | 57a2fb91 | Iustin Pop | ]) |
2618 | 57a2fb91 | Iustin Pop | _CheckOutputFields(static=self.static_fields,
|
2619 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
2620 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2621 | a8083063 | Iustin Pop | |
2622 | 7eb9d8f7 | Guido Trotter | self.needed_locks = {}
|
2623 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
2624 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
2625 | 7eb9d8f7 | Guido Trotter | |
2626 | 57a2fb91 | Iustin Pop | if self.op.names: |
2627 | 57a2fb91 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
2628 | 7eb9d8f7 | Guido Trotter | else:
|
2629 | 57a2fb91 | Iustin Pop | self.wanted = locking.ALL_SET
|
2630 | 7eb9d8f7 | Guido Trotter | |
2631 | 57a2fb91 | Iustin Pop | self.do_locking = not self.static_fields.issuperset(self.op.output_fields) |
2632 | 57a2fb91 | Iustin Pop | if self.do_locking: |
2633 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted |
2634 | 57a2fb91 | Iustin Pop | self.needed_locks[locking.LEVEL_NODE] = []
|
2635 | 57a2fb91 | Iustin Pop | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2636 | 7eb9d8f7 | Guido Trotter | |
2637 | 7eb9d8f7 | Guido Trotter | def DeclareLocks(self, level): |
2638 | 57a2fb91 | Iustin Pop | if level == locking.LEVEL_NODE and self.do_locking: |
2639 | 7eb9d8f7 | Guido Trotter | self._LockInstancesNodes()
|
2640 | 7eb9d8f7 | Guido Trotter | |
2641 | 7eb9d8f7 | Guido Trotter | def CheckPrereq(self): |
2642 | 7eb9d8f7 | Guido Trotter | """Check prerequisites.
|
2643 | 7eb9d8f7 | Guido Trotter |
|
2644 | 7eb9d8f7 | Guido Trotter | """
|
2645 | 57a2fb91 | Iustin Pop | pass
|
2646 | 069dcc86 | Iustin Pop | |
2647 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2648 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2649 | a8083063 | Iustin Pop |
|
2650 | a8083063 | Iustin Pop | """
|
2651 | 57a2fb91 | Iustin Pop | all_info = self.cfg.GetAllInstancesInfo()
|
2652 | 57a2fb91 | Iustin Pop | if self.do_locking: |
2653 | 57a2fb91 | Iustin Pop | instance_names = self.acquired_locks[locking.LEVEL_INSTANCE]
|
2654 | 3fa93523 | Guido Trotter | elif self.wanted != locking.ALL_SET: |
2655 | 3fa93523 | Guido Trotter | instance_names = self.wanted
|
2656 | 3fa93523 | Guido Trotter | missing = set(instance_names).difference(all_info.keys())
|
2657 | 3fa93523 | Guido Trotter | if missing:
|
2658 | 7b3a8fb5 | Iustin Pop | raise errors.OpExecError(
|
2659 | 3fa93523 | Guido Trotter | "Some instances were removed before retrieving their data: %s"
|
2660 | 3fa93523 | Guido Trotter | % missing) |
2661 | 57a2fb91 | Iustin Pop | else:
|
2662 | 57a2fb91 | Iustin Pop | instance_names = all_info.keys() |
2663 | 57a2fb91 | Iustin Pop | instance_list = [all_info[iname] for iname in instance_names] |
2664 | a8083063 | Iustin Pop | |
2665 | a8083063 | Iustin Pop | # begin data gathering
|
2666 | a8083063 | Iustin Pop | |
2667 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
2668 | e69d05fd | Iustin Pop | hv_list = list(set([inst.hypervisor for inst in instance_list])) |
2669 | a8083063 | Iustin Pop | |
2670 | a8083063 | Iustin Pop | bad_nodes = [] |
2671 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
2672 | a8083063 | Iustin Pop | live_data = {} |
2673 | 72737a7f | Iustin Pop | node_data = self.rpc.call_all_instances_info(nodes, hv_list)
|
2674 | a8083063 | Iustin Pop | for name in nodes: |
2675 | a8083063 | Iustin Pop | result = node_data[name] |
2676 | a8083063 | Iustin Pop | if result:
|
2677 | a8083063 | Iustin Pop | live_data.update(result) |
2678 | a8083063 | Iustin Pop | elif result == False: |
2679 | a8083063 | Iustin Pop | bad_nodes.append(name) |
2680 | a8083063 | Iustin Pop | # else no instance is alive
|
2681 | a8083063 | Iustin Pop | else:
|
2682 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
2683 | a8083063 | Iustin Pop | |
2684 | a8083063 | Iustin Pop | # end data gathering
|
2685 | a8083063 | Iustin Pop | |
2686 | a8083063 | Iustin Pop | output = [] |
2687 | a8083063 | Iustin Pop | for instance in instance_list: |
2688 | a8083063 | Iustin Pop | iout = [] |
2689 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2690 | a8083063 | Iustin Pop | if field == "name": |
2691 | a8083063 | Iustin Pop | val = instance.name |
2692 | a8083063 | Iustin Pop | elif field == "os": |
2693 | a8083063 | Iustin Pop | val = instance.os |
2694 | a8083063 | Iustin Pop | elif field == "pnode": |
2695 | a8083063 | Iustin Pop | val = instance.primary_node |
2696 | a8083063 | Iustin Pop | elif field == "snodes": |
2697 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
2698 | a8083063 | Iustin Pop | elif field == "admin_state": |
2699 | 8a23d2d3 | Iustin Pop | val = (instance.status != "down")
|
2700 | a8083063 | Iustin Pop | elif field == "oper_state": |
2701 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2702 | 8a23d2d3 | Iustin Pop | val = None
|
2703 | a8083063 | Iustin Pop | else:
|
2704 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
2705 | d8052456 | Iustin Pop | elif field == "status": |
2706 | d8052456 | Iustin Pop | if instance.primary_node in bad_nodes: |
2707 | d8052456 | Iustin Pop | val = "ERROR_nodedown"
|
2708 | d8052456 | Iustin Pop | else:
|
2709 | d8052456 | Iustin Pop | running = bool(live_data.get(instance.name))
|
2710 | d8052456 | Iustin Pop | if running:
|
2711 | d8052456 | Iustin Pop | if instance.status != "down": |
2712 | d8052456 | Iustin Pop | val = "running"
|
2713 | d8052456 | Iustin Pop | else:
|
2714 | d8052456 | Iustin Pop | val = "ERROR_up"
|
2715 | d8052456 | Iustin Pop | else:
|
2716 | d8052456 | Iustin Pop | if instance.status != "down": |
2717 | d8052456 | Iustin Pop | val = "ERROR_down"
|
2718 | d8052456 | Iustin Pop | else:
|
2719 | d8052456 | Iustin Pop | val = "ADMIN_down"
|
2720 | a8083063 | Iustin Pop | elif field == "admin_ram": |
2721 | a8083063 | Iustin Pop | val = instance.memory |
2722 | a8083063 | Iustin Pop | elif field == "oper_ram": |
2723 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2724 | 8a23d2d3 | Iustin Pop | val = None
|
2725 | a8083063 | Iustin Pop | elif instance.name in live_data: |
2726 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
2727 | a8083063 | Iustin Pop | else:
|
2728 | a8083063 | Iustin Pop | val = "-"
|
2729 | a8083063 | Iustin Pop | elif field == "disk_template": |
2730 | a8083063 | Iustin Pop | val = instance.disk_template |
2731 | a8083063 | Iustin Pop | elif field == "ip": |
2732 | a8083063 | Iustin Pop | val = instance.nics[0].ip
|
2733 | a8083063 | Iustin Pop | elif field == "bridge": |
2734 | a8083063 | Iustin Pop | val = instance.nics[0].bridge
|
2735 | a8083063 | Iustin Pop | elif field == "mac": |
2736 | a8083063 | Iustin Pop | val = instance.nics[0].mac
|
2737 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
2738 | 644eeef9 | Iustin Pop | disk = instance.FindDisk(field[:3])
|
2739 | 644eeef9 | Iustin Pop | if disk is None: |
2740 | 8a23d2d3 | Iustin Pop | val = None
|
2741 | 644eeef9 | Iustin Pop | else:
|
2742 | 644eeef9 | Iustin Pop | val = disk.size |
2743 | d6d415e8 | Iustin Pop | elif field == "vcpus": |
2744 | d6d415e8 | Iustin Pop | val = instance.vcpus |
2745 | 130a6a6f | Iustin Pop | elif field == "tags": |
2746 | 130a6a6f | Iustin Pop | val = list(instance.GetTags())
|
2747 | 38d7239a | Iustin Pop | elif field == "serial_no": |
2748 | 38d7239a | Iustin Pop | val = instance.serial_no |
2749 | 3fb1e1c5 | Alexander Schreiber | elif field in ("network_port", "kernel_path", "initrd_path", |
2750 | 3fb1e1c5 | Alexander Schreiber | "hvm_boot_order", "hvm_acpi", "hvm_pae", |
2751 | 3fb1e1c5 | Alexander Schreiber | "hvm_cdrom_image_path", "hvm_nic_type", |
2752 | 3fb1e1c5 | Alexander Schreiber | "hvm_disk_type", "vnc_bind_address"): |
2753 | 3fb1e1c5 | Alexander Schreiber | val = getattr(instance, field, None) |
2754 | 3fb1e1c5 | Alexander Schreiber | if val is not None: |
2755 | 3fb1e1c5 | Alexander Schreiber | pass
|
2756 | 3fb1e1c5 | Alexander Schreiber | elif field in ("hvm_nic_type", "hvm_disk_type", |
2757 | 3fb1e1c5 | Alexander Schreiber | "kernel_path", "initrd_path"): |
2758 | 3fb1e1c5 | Alexander Schreiber | val = "default"
|
2759 | 3fb1e1c5 | Alexander Schreiber | else:
|
2760 | 3fb1e1c5 | Alexander Schreiber | val = "-"
|
2761 | e69d05fd | Iustin Pop | elif field == "hypervisor": |
2762 | e69d05fd | Iustin Pop | val = instance.hypervisor |
2763 | a8083063 | Iustin Pop | else:
|
2764 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2765 | a8083063 | Iustin Pop | iout.append(val) |
2766 | a8083063 | Iustin Pop | output.append(iout) |
2767 | a8083063 | Iustin Pop | |
2768 | a8083063 | Iustin Pop | return output
|
2769 | a8083063 | Iustin Pop | |
2770 | a8083063 | Iustin Pop | |
2771 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
2772 | a8083063 | Iustin Pop | """Failover an instance.
|
2773 | a8083063 | Iustin Pop |
|
2774 | a8083063 | Iustin Pop | """
|
2775 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
2776 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2777 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
2778 | c9e5c064 | Guido Trotter | REQ_BGL = False
|
2779 | c9e5c064 | Guido Trotter | |
2780 | c9e5c064 | Guido Trotter | def ExpandNames(self): |
2781 | c9e5c064 | Guido Trotter | self._ExpandAndLockInstance()
|
2782 | c9e5c064 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2783 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
2784 | c9e5c064 | Guido Trotter | |
2785 | c9e5c064 | Guido Trotter | def DeclareLocks(self, level): |
2786 | c9e5c064 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2787 | c9e5c064 | Guido Trotter | self._LockInstancesNodes()
|
2788 | a8083063 | Iustin Pop | |
2789 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2790 | a8083063 | Iustin Pop | """Build hooks env.
|
2791 | a8083063 | Iustin Pop |
|
2792 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2793 | a8083063 | Iustin Pop |
|
2794 | a8083063 | Iustin Pop | """
|
2795 | a8083063 | Iustin Pop | env = { |
2796 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
2797 | a8083063 | Iustin Pop | } |
2798 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2799 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode()] + list(self.instance.secondary_nodes) |
2800 | a8083063 | Iustin Pop | return env, nl, nl
|
2801 | a8083063 | Iustin Pop | |
2802 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2803 | a8083063 | Iustin Pop | """Check prerequisites.
|
2804 | a8083063 | Iustin Pop |
|
2805 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2806 | a8083063 | Iustin Pop |
|
2807 | a8083063 | Iustin Pop | """
|
2808 | c9e5c064 | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2809 | c9e5c064 | Guido Trotter | assert self.instance is not None, \ |
2810 | c9e5c064 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2811 | a8083063 | Iustin Pop | |
2812 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
2813 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
2814 | a1f445d3 | Iustin Pop | " network mirrored, cannot failover.")
|
2815 | 2a710df1 | Michael Hanselmann | |
2816 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
2817 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
2818 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
2819 | abdf0113 | Iustin Pop | "a mirrored disk template")
|
2820 | 2a710df1 | Michael Hanselmann | |
2821 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
2822 | d4f16fd9 | Iustin Pop | # check memory requirements on the secondary node
|
2823 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, target_node, "failing over instance %s" % |
2824 | e69d05fd | Iustin Pop | instance.name, instance.memory, |
2825 | e69d05fd | Iustin Pop | instance.hypervisor) |
2826 | 3a7c308e | Guido Trotter | |
2827 | a8083063 | Iustin Pop | # check bridge existance
|
2828 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
2829 | 72737a7f | Iustin Pop | if not self.rpc.call_bridges_exist(target_node, brlist): |
2830 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
2831 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
2832 | 50ff9a7a | Iustin Pop | (brlist, target_node)) |
2833 | a8083063 | Iustin Pop | |
2834 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2835 | a8083063 | Iustin Pop | """Failover an instance.
|
2836 | a8083063 | Iustin Pop |
|
2837 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
2838 | a8083063 | Iustin Pop | starting it on the secondary.
|
2839 | a8083063 | Iustin Pop |
|
2840 | a8083063 | Iustin Pop | """
|
2841 | a8083063 | Iustin Pop | instance = self.instance
|
2842 | a8083063 | Iustin Pop | |
2843 | a8083063 | Iustin Pop | source_node = instance.primary_node |
2844 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
2845 | a8083063 | Iustin Pop | |
2846 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
2847 | a8083063 | Iustin Pop | for dev in instance.disks: |
2848 | abdf0113 | Iustin Pop | # for drbd, these are drbd over lvm
|
2849 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, target_node, False): |
2850 | a0aaa0d0 | Guido Trotter | if instance.status == "up" and not self.op.ignore_consistency: |
2851 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
2852 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
2853 | a8083063 | Iustin Pop | |
2854 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
2855 | a8083063 | Iustin Pop | logger.Info("Shutting down instance %s on node %s" %
|
2856 | a8083063 | Iustin Pop | (instance.name, source_node)) |
2857 | a8083063 | Iustin Pop | |
2858 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(source_node, instance): |
2859 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
2860 | 24a40d57 | Iustin Pop | logger.Error("Could not shutdown instance %s on node %s. Proceeding"
|
2861 | 24a40d57 | Iustin Pop | " anyway. Please make sure node %s is down" %
|
2862 | 24a40d57 | Iustin Pop | (instance.name, source_node, source_node)) |
2863 | 24a40d57 | Iustin Pop | else:
|
2864 | 24a40d57 | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2865 | 24a40d57 | Iustin Pop | (instance.name, source_node)) |
2866 | a8083063 | Iustin Pop | |
2867 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
2868 | b9bddb6b | Iustin Pop | if not _ShutdownInstanceDisks(self, instance, ignore_primary=True): |
2869 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
2870 | a8083063 | Iustin Pop | |
2871 | a8083063 | Iustin Pop | instance.primary_node = target_node |
2872 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
2873 | b6102dab | Guido Trotter | self.cfg.Update(instance)
|
2874 | a8083063 | Iustin Pop | |
2875 | 12a0cfbe | Guido Trotter | # Only start the instance if it's marked as up
|
2876 | 12a0cfbe | Guido Trotter | if instance.status == "up": |
2877 | 12a0cfbe | Guido Trotter | feedback_fn("* activating the instance's disks on target node")
|
2878 | 12a0cfbe | Guido Trotter | logger.Info("Starting instance %s on node %s" %
|
2879 | 12a0cfbe | Guido Trotter | (instance.name, target_node)) |
2880 | 12a0cfbe | Guido Trotter | |
2881 | b9bddb6b | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(self, instance,
|
2882 | 12a0cfbe | Guido Trotter | ignore_secondaries=True)
|
2883 | 12a0cfbe | Guido Trotter | if not disks_ok: |
2884 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2885 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Can't activate the instance's disks") |
2886 | a8083063 | Iustin Pop | |
2887 | 12a0cfbe | Guido Trotter | feedback_fn("* starting the instance on the target node")
|
2888 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(target_node, instance, None): |
2889 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
2890 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Could not start instance %s on node %s." % |
2891 | 12a0cfbe | Guido Trotter | (instance.name, target_node)) |
2892 | a8083063 | Iustin Pop | |
2893 | a8083063 | Iustin Pop | |
2894 | b9bddb6b | Iustin Pop | def _CreateBlockDevOnPrimary(lu, node, instance, device, info): |
2895 | a8083063 | Iustin Pop | """Create a tree of block devices on the primary node.
|
2896 | a8083063 | Iustin Pop |
|
2897 | a8083063 | Iustin Pop | This always creates all devices.
|
2898 | a8083063 | Iustin Pop |
|
2899 | a8083063 | Iustin Pop | """
|
2900 | a8083063 | Iustin Pop | if device.children:
|
2901 | a8083063 | Iustin Pop | for child in device.children: |
2902 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(lu, node, instance, child, info): |
2903 | a8083063 | Iustin Pop | return False |
2904 | a8083063 | Iustin Pop | |
2905 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(device, node) |
2906 | 72737a7f | Iustin Pop | new_id = lu.rpc.call_blockdev_create(node, device, device.size, |
2907 | 72737a7f | Iustin Pop | instance.name, True, info)
|
2908 | a8083063 | Iustin Pop | if not new_id: |
2909 | a8083063 | Iustin Pop | return False |
2910 | a8083063 | Iustin Pop | if device.physical_id is None: |
2911 | a8083063 | Iustin Pop | device.physical_id = new_id |
2912 | a8083063 | Iustin Pop | return True |
2913 | a8083063 | Iustin Pop | |
2914 | a8083063 | Iustin Pop | |
2915 | b9bddb6b | Iustin Pop | def _CreateBlockDevOnSecondary(lu, node, instance, device, force, info): |
2916 | a8083063 | Iustin Pop | """Create a tree of block devices on a secondary node.
|
2917 | a8083063 | Iustin Pop |
|
2918 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
2919 | a8083063 | Iustin Pop | all its children.
|
2920 | a8083063 | Iustin Pop |
|
2921 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
2922 | a8083063 | Iustin Pop |
|
2923 | a8083063 | Iustin Pop | """
|
2924 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
2925 | a8083063 | Iustin Pop | force = True
|
2926 | a8083063 | Iustin Pop | if device.children:
|
2927 | a8083063 | Iustin Pop | for child in device.children: |
2928 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(lu, node, instance, |
2929 | 3f78eef2 | Iustin Pop | child, force, info): |
2930 | a8083063 | Iustin Pop | return False |
2931 | a8083063 | Iustin Pop | |
2932 | a8083063 | Iustin Pop | if not force: |
2933 | a8083063 | Iustin Pop | return True |
2934 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(device, node) |
2935 | 72737a7f | Iustin Pop | new_id = lu.rpc.call_blockdev_create(node, device, device.size, |
2936 | 72737a7f | Iustin Pop | instance.name, False, info)
|
2937 | a8083063 | Iustin Pop | if not new_id: |
2938 | a8083063 | Iustin Pop | return False |
2939 | a8083063 | Iustin Pop | if device.physical_id is None: |
2940 | a8083063 | Iustin Pop | device.physical_id = new_id |
2941 | a8083063 | Iustin Pop | return True |
2942 | a8083063 | Iustin Pop | |
2943 | a8083063 | Iustin Pop | |
2944 | b9bddb6b | Iustin Pop | def _GenerateUniqueNames(lu, exts): |
2945 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
2946 | 923b1523 | Iustin Pop |
|
2947 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
2948 | 923b1523 | Iustin Pop |
|
2949 | 923b1523 | Iustin Pop | """
|
2950 | 923b1523 | Iustin Pop | results = [] |
2951 | 923b1523 | Iustin Pop | for val in exts: |
2952 | b9bddb6b | Iustin Pop | new_id = lu.cfg.GenerateUniqueID() |
2953 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
2954 | 923b1523 | Iustin Pop | return results
|
2955 | 923b1523 | Iustin Pop | |
2956 | 923b1523 | Iustin Pop | |
2957 | b9bddb6b | Iustin Pop | def _GenerateDRBD8Branch(lu, primary, secondary, size, names, iv_name, |
2958 | ffa1c0dc | Iustin Pop | p_minor, s_minor): |
2959 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
2960 | a1f445d3 | Iustin Pop |
|
2961 | a1f445d3 | Iustin Pop | """
|
2962 | b9bddb6b | Iustin Pop | port = lu.cfg.AllocatePort() |
2963 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
2964 | b9bddb6b | Iustin Pop | shared_secret = lu.cfg.GenerateDRBDSecret() |
2965 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
2966 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
2967 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
2968 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
2969 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
2970 | ffa1c0dc | Iustin Pop | logical_id=(primary, secondary, port, |
2971 | f9518d38 | Iustin Pop | p_minor, s_minor, |
2972 | f9518d38 | Iustin Pop | shared_secret), |
2973 | ffa1c0dc | Iustin Pop | children=[dev_data, dev_meta], |
2974 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
2975 | a1f445d3 | Iustin Pop | return drbd_dev
|
2976 | a1f445d3 | Iustin Pop | |
2977 | 7c0d6283 | Michael Hanselmann | |
2978 | b9bddb6b | Iustin Pop | def _GenerateDiskTemplate(lu, template_name, |
2979 | a8083063 | Iustin Pop | instance_name, primary_node, |
2980 | 0f1a06e3 | Manuel Franceschini | secondary_nodes, disk_sz, swap_sz, |
2981 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, file_driver): |
2982 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
2983 | a8083063 | Iustin Pop |
|
2984 | a8083063 | Iustin Pop | """
|
2985 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
2986 | a8083063 | Iustin Pop | |
2987 | b9bddb6b | Iustin Pop | vgname = lu.cfg.GetVGName() |
2988 | 3517d9b9 | Manuel Franceschini | if template_name == constants.DT_DISKLESS:
|
2989 | a8083063 | Iustin Pop | disks = [] |
2990 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_PLAIN:
|
2991 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2992 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2993 | 923b1523 | Iustin Pop | |
2994 | b9bddb6b | Iustin Pop | names = _GenerateUniqueNames(lu, [".sda", ".sdb"]) |
2995 | fe96220b | Iustin Pop | sda_dev = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2996 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]),
|
2997 | a8083063 | Iustin Pop | iv_name = "sda")
|
2998 | fe96220b | Iustin Pop | sdb_dev = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2999 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]),
|
3000 | a8083063 | Iustin Pop | iv_name = "sdb")
|
3001 | a8083063 | Iustin Pop | disks = [sda_dev, sdb_dev] |
3002 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
3003 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
3004 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
3005 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
3006 | ffa1c0dc | Iustin Pop | (minor_pa, minor_pb, |
3007 | b9bddb6b | Iustin Pop | minor_sa, minor_sb) = lu.cfg.AllocateDRBDMinor( |
3008 | a1578d63 | Iustin Pop | [primary_node, primary_node, remote_node, remote_node], instance_name) |
3009 | ffa1c0dc | Iustin Pop | |
3010 | b9bddb6b | Iustin Pop | names = _GenerateUniqueNames(lu, [".sda_data", ".sda_meta", |
3011 | b9bddb6b | Iustin Pop | ".sdb_data", ".sdb_meta"]) |
3012 | b9bddb6b | Iustin Pop | drbd_sda_dev = _GenerateDRBD8Branch(lu, primary_node, remote_node, |
3013 | ffa1c0dc | Iustin Pop | disk_sz, names[0:2], "sda", |
3014 | ffa1c0dc | Iustin Pop | minor_pa, minor_sa) |
3015 | b9bddb6b | Iustin Pop | drbd_sdb_dev = _GenerateDRBD8Branch(lu, primary_node, remote_node, |
3016 | ffa1c0dc | Iustin Pop | swap_sz, names[2:4], "sdb", |
3017 | ffa1c0dc | Iustin Pop | minor_pb, minor_sb) |
3018 | a1f445d3 | Iustin Pop | disks = [drbd_sda_dev, drbd_sdb_dev] |
3019 | 0f1a06e3 | Manuel Franceschini | elif template_name == constants.DT_FILE:
|
3020 | 0f1a06e3 | Manuel Franceschini | if len(secondary_nodes) != 0: |
3021 | 0f1a06e3 | Manuel Franceschini | raise errors.ProgrammerError("Wrong template configuration") |
3022 | 0f1a06e3 | Manuel Franceschini | |
3023 | 0f1a06e3 | Manuel Franceschini | file_sda_dev = objects.Disk(dev_type=constants.LD_FILE, size=disk_sz, |
3024 | 0f1a06e3 | Manuel Franceschini | iv_name="sda", logical_id=(file_driver,
|
3025 | 0f1a06e3 | Manuel Franceschini | "%s/sda" % file_storage_dir))
|
3026 | 0f1a06e3 | Manuel Franceschini | file_sdb_dev = objects.Disk(dev_type=constants.LD_FILE, size=swap_sz, |
3027 | 0f1a06e3 | Manuel Franceschini | iv_name="sdb", logical_id=(file_driver,
|
3028 | 0f1a06e3 | Manuel Franceschini | "%s/sdb" % file_storage_dir))
|
3029 | 0f1a06e3 | Manuel Franceschini | disks = [file_sda_dev, file_sdb_dev] |
3030 | a8083063 | Iustin Pop | else:
|
3031 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
3032 | a8083063 | Iustin Pop | return disks
|
3033 | a8083063 | Iustin Pop | |
3034 | a8083063 | Iustin Pop | |
3035 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
3036 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
3037 | 3ecf6786 | Iustin Pop |
|
3038 | 3ecf6786 | Iustin Pop | """
|
3039 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
3040 | a0c3fea1 | Michael Hanselmann | |
3041 | a0c3fea1 | Michael Hanselmann | |
3042 | b9bddb6b | Iustin Pop | def _CreateDisks(lu, instance): |
3043 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
3044 | a8083063 | Iustin Pop |
|
3045 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
3046 | a8083063 | Iustin Pop |
|
3047 | a8083063 | Iustin Pop | Args:
|
3048 | a8083063 | Iustin Pop | instance: the instance object
|
3049 | a8083063 | Iustin Pop |
|
3050 | a8083063 | Iustin Pop | Returns:
|
3051 | a8083063 | Iustin Pop | True or False showing the success of the creation process
|
3052 | a8083063 | Iustin Pop |
|
3053 | a8083063 | Iustin Pop | """
|
3054 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
3055 | a0c3fea1 | Michael Hanselmann | |
3056 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
3057 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
3058 | 72737a7f | Iustin Pop | result = lu.rpc.call_file_storage_dir_create(instance.primary_node, |
3059 | 72737a7f | Iustin Pop | file_storage_dir) |
3060 | 0f1a06e3 | Manuel Franceschini | |
3061 | 0f1a06e3 | Manuel Franceschini | if not result: |
3062 | b62ddbe5 | Guido Trotter | logger.Error("Could not connect to node '%s'" % instance.primary_node)
|
3063 | 0f1a06e3 | Manuel Franceschini | return False |
3064 | 0f1a06e3 | Manuel Franceschini | |
3065 | 0f1a06e3 | Manuel Franceschini | if not result[0]: |
3066 | 0f1a06e3 | Manuel Franceschini | logger.Error("failed to create directory '%s'" % file_storage_dir)
|
3067 | 0f1a06e3 | Manuel Franceschini | return False |
3068 | 0f1a06e3 | Manuel Franceschini | |
3069 | a8083063 | Iustin Pop | for device in instance.disks: |
3070 | a8083063 | Iustin Pop | logger.Info("creating volume %s for instance %s" %
|
3071 | 1c6e3627 | Manuel Franceschini | (device.iv_name, instance.name)) |
3072 | a8083063 | Iustin Pop | #HARDCODE
|
3073 | a8083063 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
3074 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(lu, secondary_node, instance, |
3075 | 3f78eef2 | Iustin Pop | device, False, info):
|
3076 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s (%s) on secondary node %s!" %
|
3077 | a8083063 | Iustin Pop | (device.iv_name, device, secondary_node)) |
3078 | a8083063 | Iustin Pop | return False |
3079 | a8083063 | Iustin Pop | #HARDCODE
|
3080 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(lu, instance.primary_node, |
3081 | 3f78eef2 | Iustin Pop | instance, device, info): |
3082 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s on primary!" %
|
3083 | a8083063 | Iustin Pop | device.iv_name) |
3084 | a8083063 | Iustin Pop | return False |
3085 | 1c6e3627 | Manuel Franceschini | |
3086 | a8083063 | Iustin Pop | return True |
3087 | a8083063 | Iustin Pop | |
3088 | a8083063 | Iustin Pop | |
3089 | b9bddb6b | Iustin Pop | def _RemoveDisks(lu, instance): |
3090 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
3091 | a8083063 | Iustin Pop |
|
3092 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
3093 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
3094 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
3095 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
3096 | a8083063 | Iustin Pop |
|
3097 | a8083063 | Iustin Pop | Args:
|
3098 | a8083063 | Iustin Pop | instance: the instance object
|
3099 | a8083063 | Iustin Pop |
|
3100 | a8083063 | Iustin Pop | Returns:
|
3101 | a8083063 | Iustin Pop | True or False showing the success of the removal proces
|
3102 | a8083063 | Iustin Pop |
|
3103 | a8083063 | Iustin Pop | """
|
3104 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
3105 | a8083063 | Iustin Pop | |
3106 | a8083063 | Iustin Pop | result = True
|
3107 | a8083063 | Iustin Pop | for device in instance.disks: |
3108 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
3109 | b9bddb6b | Iustin Pop | lu.cfg.SetDiskID(disk, node) |
3110 | 72737a7f | Iustin Pop | if not lu.rpc.call_blockdev_remove(node, disk): |
3111 | a8083063 | Iustin Pop | logger.Error("could not remove block device %s on node %s,"
|
3112 | a8083063 | Iustin Pop | " continuing anyway" %
|
3113 | a8083063 | Iustin Pop | (device.iv_name, node)) |
3114 | a8083063 | Iustin Pop | result = False
|
3115 | 0f1a06e3 | Manuel Franceschini | |
3116 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
3117 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
3118 | 72737a7f | Iustin Pop | if not lu.rpc.call_file_storage_dir_remove(instance.primary_node, |
3119 | 72737a7f | Iustin Pop | file_storage_dir): |
3120 | 0f1a06e3 | Manuel Franceschini | logger.Error("could not remove directory '%s'" % file_storage_dir)
|
3121 | 0f1a06e3 | Manuel Franceschini | result = False
|
3122 | 0f1a06e3 | Manuel Franceschini | |
3123 | a8083063 | Iustin Pop | return result
|
3124 | a8083063 | Iustin Pop | |
3125 | a8083063 | Iustin Pop | |
3126 | e2fe6369 | Iustin Pop | def _ComputeDiskSize(disk_template, disk_size, swap_size): |
3127 | e2fe6369 | Iustin Pop | """Compute disk size requirements in the volume group
|
3128 | e2fe6369 | Iustin Pop |
|
3129 | e2fe6369 | Iustin Pop | This is currently hard-coded for the two-drive layout.
|
3130 | e2fe6369 | Iustin Pop |
|
3131 | e2fe6369 | Iustin Pop | """
|
3132 | e2fe6369 | Iustin Pop | # Required free disk space as a function of disk and swap space
|
3133 | e2fe6369 | Iustin Pop | req_size_dict = { |
3134 | e2fe6369 | Iustin Pop | constants.DT_DISKLESS: None,
|
3135 | e2fe6369 | Iustin Pop | constants.DT_PLAIN: disk_size + swap_size, |
3136 | e2fe6369 | Iustin Pop | # 256 MB are added for drbd metadata, 128MB for each drbd device
|
3137 | e2fe6369 | Iustin Pop | constants.DT_DRBD8: disk_size + swap_size + 256,
|
3138 | e2fe6369 | Iustin Pop | constants.DT_FILE: None,
|
3139 | e2fe6369 | Iustin Pop | } |
3140 | e2fe6369 | Iustin Pop | |
3141 | e2fe6369 | Iustin Pop | if disk_template not in req_size_dict: |
3142 | e2fe6369 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
3143 | e2fe6369 | Iustin Pop | " is unknown" % disk_template)
|
3144 | e2fe6369 | Iustin Pop | |
3145 | e2fe6369 | Iustin Pop | return req_size_dict[disk_template]
|
3146 | e2fe6369 | Iustin Pop | |
3147 | e2fe6369 | Iustin Pop | |
3148 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
3149 | a8083063 | Iustin Pop | """Create an instance.
|
3150 | a8083063 | Iustin Pop |
|
3151 | a8083063 | Iustin Pop | """
|
3152 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
3153 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3154 | 538475ca | Iustin Pop | _OP_REQP = ["instance_name", "mem_size", "disk_size", |
3155 | a8083063 | Iustin Pop | "disk_template", "swap_size", "mode", "start", "vcpus", |
3156 | 1862d460 | Alexander Schreiber | "wait_for_sync", "ip_check", "mac"] |
3157 | 7baf741d | Guido Trotter | REQ_BGL = False
|
3158 | 7baf741d | Guido Trotter | |
3159 | 7baf741d | Guido Trotter | def _ExpandNode(self, node): |
3160 | 7baf741d | Guido Trotter | """Expands and checks one node name.
|
3161 | 7baf741d | Guido Trotter |
|
3162 | 7baf741d | Guido Trotter | """
|
3163 | 7baf741d | Guido Trotter | node_full = self.cfg.ExpandNodeName(node)
|
3164 | 7baf741d | Guido Trotter | if node_full is None: |
3165 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Unknown node %s" % node) |
3166 | 7baf741d | Guido Trotter | return node_full
|
3167 | 7baf741d | Guido Trotter | |
3168 | 7baf741d | Guido Trotter | def ExpandNames(self): |
3169 | 7baf741d | Guido Trotter | """ExpandNames for CreateInstance.
|
3170 | 7baf741d | Guido Trotter |
|
3171 | 7baf741d | Guido Trotter | Figure out the right locks for instance creation.
|
3172 | 7baf741d | Guido Trotter |
|
3173 | 7baf741d | Guido Trotter | """
|
3174 | 7baf741d | Guido Trotter | self.needed_locks = {}
|
3175 | 7baf741d | Guido Trotter | |
3176 | 7baf741d | Guido Trotter | # set optional parameters to none if they don't exist
|
3177 | 7baf741d | Guido Trotter | for attr in ["kernel_path", "initrd_path", "pnode", "snode", |
3178 | 7baf741d | Guido Trotter | "iallocator", "hvm_boot_order", "hvm_acpi", "hvm_pae", |
3179 | 7baf741d | Guido Trotter | "hvm_cdrom_image_path", "hvm_nic_type", "hvm_disk_type", |
3180 | e69d05fd | Iustin Pop | "vnc_bind_address", "hypervisor"]: |
3181 | 7baf741d | Guido Trotter | if not hasattr(self.op, attr): |
3182 | 7baf741d | Guido Trotter | setattr(self.op, attr, None) |
3183 | 7baf741d | Guido Trotter | |
3184 | 4b2f38dd | Iustin Pop | # cheap checks, mostly valid constants given
|
3185 | 4b2f38dd | Iustin Pop | |
3186 | 7baf741d | Guido Trotter | # verify creation mode
|
3187 | 7baf741d | Guido Trotter | if self.op.mode not in (constants.INSTANCE_CREATE, |
3188 | 7baf741d | Guido Trotter | constants.INSTANCE_IMPORT): |
3189 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
3190 | 7baf741d | Guido Trotter | self.op.mode)
|
3191 | 4b2f38dd | Iustin Pop | |
3192 | 7baf741d | Guido Trotter | # disk template and mirror node verification
|
3193 | 7baf741d | Guido Trotter | if self.op.disk_template not in constants.DISK_TEMPLATES: |
3194 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid disk template name") |
3195 | 7baf741d | Guido Trotter | |
3196 | 4b2f38dd | Iustin Pop | if self.op.hypervisor is None: |
3197 | 4b2f38dd | Iustin Pop | self.op.hypervisor = self.cfg.GetHypervisorType() |
3198 | 4b2f38dd | Iustin Pop | |
3199 | 4b2f38dd | Iustin Pop | enabled_hvs = self.cfg.GetClusterInfo().enabled_hypervisors
|
3200 | 4b2f38dd | Iustin Pop | if self.op.hypervisor not in enabled_hvs: |
3201 | 4b2f38dd | Iustin Pop | raise errors.OpPrereqError("Selected hypervisor (%s) not enabled in the" |
3202 | 4b2f38dd | Iustin Pop | " cluster (%s)" % (self.op.hypervisor, |
3203 | 4b2f38dd | Iustin Pop | ",".join(enabled_hvs)))
|
3204 | 4b2f38dd | Iustin Pop | |
3205 | 7baf741d | Guido Trotter | #### instance parameters check
|
3206 | 7baf741d | Guido Trotter | |
3207 | 7baf741d | Guido Trotter | # instance name verification
|
3208 | 7baf741d | Guido Trotter | hostname1 = utils.HostInfo(self.op.instance_name)
|
3209 | 7baf741d | Guido Trotter | self.op.instance_name = instance_name = hostname1.name
|
3210 | 7baf741d | Guido Trotter | |
3211 | 7baf741d | Guido Trotter | # this is just a preventive check, but someone might still add this
|
3212 | 7baf741d | Guido Trotter | # instance in the meantime, and creation will fail at lock-add time
|
3213 | 7baf741d | Guido Trotter | if instance_name in self.cfg.GetInstanceList(): |
3214 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
3215 | 7baf741d | Guido Trotter | instance_name) |
3216 | 7baf741d | Guido Trotter | |
3217 | 7baf741d | Guido Trotter | self.add_locks[locking.LEVEL_INSTANCE] = instance_name
|
3218 | 7baf741d | Guido Trotter | |
3219 | 7baf741d | Guido Trotter | # ip validity checks
|
3220 | 7baf741d | Guido Trotter | ip = getattr(self.op, "ip", None) |
3221 | 7baf741d | Guido Trotter | if ip is None or ip.lower() == "none": |
3222 | 7baf741d | Guido Trotter | inst_ip = None
|
3223 | 7baf741d | Guido Trotter | elif ip.lower() == "auto": |
3224 | 7baf741d | Guido Trotter | inst_ip = hostname1.ip |
3225 | 7baf741d | Guido Trotter | else:
|
3226 | 7baf741d | Guido Trotter | if not utils.IsValidIP(ip): |
3227 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("given IP address '%s' doesn't look" |
3228 | 7baf741d | Guido Trotter | " like a valid IP" % ip)
|
3229 | 7baf741d | Guido Trotter | inst_ip = ip |
3230 | 7baf741d | Guido Trotter | self.inst_ip = self.op.ip = inst_ip |
3231 | 7baf741d | Guido Trotter | # used in CheckPrereq for ip ping check
|
3232 | 7baf741d | Guido Trotter | self.check_ip = hostname1.ip
|
3233 | 7baf741d | Guido Trotter | |
3234 | 7baf741d | Guido Trotter | # MAC address verification
|
3235 | 7baf741d | Guido Trotter | if self.op.mac != "auto": |
3236 | 7baf741d | Guido Trotter | if not utils.IsValidMac(self.op.mac.lower()): |
3237 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("invalid MAC address specified: %s" % |
3238 | 7baf741d | Guido Trotter | self.op.mac)
|
3239 | 7baf741d | Guido Trotter | |
3240 | 7baf741d | Guido Trotter | # boot order verification
|
3241 | 7baf741d | Guido Trotter | if self.op.hvm_boot_order is not None: |
3242 | 7baf741d | Guido Trotter | if len(self.op.hvm_boot_order.strip("acdn")) != 0: |
3243 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("invalid boot order specified," |
3244 | 7baf741d | Guido Trotter | " must be one or more of [acdn]")
|
3245 | 7baf741d | Guido Trotter | # file storage checks
|
3246 | 7baf741d | Guido Trotter | if (self.op.file_driver and |
3247 | 7baf741d | Guido Trotter | not self.op.file_driver in constants.FILE_DRIVER): |
3248 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Invalid file driver name '%s'" % |
3249 | 7baf741d | Guido Trotter | self.op.file_driver)
|
3250 | 7baf741d | Guido Trotter | |
3251 | 7baf741d | Guido Trotter | if self.op.file_storage_dir and os.path.isabs(self.op.file_storage_dir): |
3252 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("File storage directory path not absolute") |
3253 | 7baf741d | Guido Trotter | |
3254 | 7baf741d | Guido Trotter | ### Node/iallocator related checks
|
3255 | 7baf741d | Guido Trotter | if [self.op.iallocator, self.op.pnode].count(None) != 1: |
3256 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("One and only one of iallocator and primary" |
3257 | 7baf741d | Guido Trotter | " node must be given")
|
3258 | 7baf741d | Guido Trotter | |
3259 | 7baf741d | Guido Trotter | if self.op.iallocator: |
3260 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
3261 | 7baf741d | Guido Trotter | else:
|
3262 | 7baf741d | Guido Trotter | self.op.pnode = self._ExpandNode(self.op.pnode) |
3263 | 7baf741d | Guido Trotter | nodelist = [self.op.pnode]
|
3264 | 7baf741d | Guido Trotter | if self.op.snode is not None: |
3265 | 7baf741d | Guido Trotter | self.op.snode = self._ExpandNode(self.op.snode) |
3266 | 7baf741d | Guido Trotter | nodelist.append(self.op.snode)
|
3267 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = nodelist
|
3268 | 7baf741d | Guido Trotter | |
3269 | 7baf741d | Guido Trotter | # in case of import lock the source node too
|
3270 | 7baf741d | Guido Trotter | if self.op.mode == constants.INSTANCE_IMPORT: |
3271 | 7baf741d | Guido Trotter | src_node = getattr(self.op, "src_node", None) |
3272 | 7baf741d | Guido Trotter | src_path = getattr(self.op, "src_path", None) |
3273 | 7baf741d | Guido Trotter | |
3274 | 7baf741d | Guido Trotter | if src_node is None or src_path is None: |
3275 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("Importing an instance requires source" |
3276 | 7baf741d | Guido Trotter | " node and path options")
|
3277 | 7baf741d | Guido Trotter | |
3278 | 7baf741d | Guido Trotter | if not os.path.isabs(src_path): |
3279 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("The source path must be absolute") |
3280 | 7baf741d | Guido Trotter | |
3281 | 7baf741d | Guido Trotter | self.op.src_node = src_node = self._ExpandNode(src_node) |
3282 | 7baf741d | Guido Trotter | if self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET: |
3283 | 7baf741d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE].append(src_node)
|
3284 | 7baf741d | Guido Trotter | |
3285 | 7baf741d | Guido Trotter | else: # INSTANCE_CREATE |
3286 | 7baf741d | Guido Trotter | if getattr(self.op, "os_type", None) is None: |
3287 | 7baf741d | Guido Trotter | raise errors.OpPrereqError("No guest OS specified") |
3288 | a8083063 | Iustin Pop | |
3289 | 538475ca | Iustin Pop | def _RunAllocator(self): |
3290 | 538475ca | Iustin Pop | """Run the allocator based on input opcode.
|
3291 | 538475ca | Iustin Pop |
|
3292 | 538475ca | Iustin Pop | """
|
3293 | 538475ca | Iustin Pop | disks = [{"size": self.op.disk_size, "mode": "w"}, |
3294 | 538475ca | Iustin Pop | {"size": self.op.swap_size, "mode": "w"}] |
3295 | 538475ca | Iustin Pop | nics = [{"mac": self.op.mac, "ip": getattr(self.op, "ip", None), |
3296 | 538475ca | Iustin Pop | "bridge": self.op.bridge}] |
3297 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
3298 | 29859cb7 | Iustin Pop | mode=constants.IALLOCATOR_MODE_ALLOC, |
3299 | d1c2dd75 | Iustin Pop | name=self.op.instance_name,
|
3300 | d1c2dd75 | Iustin Pop | disk_template=self.op.disk_template,
|
3301 | d1c2dd75 | Iustin Pop | tags=[], |
3302 | d1c2dd75 | Iustin Pop | os=self.op.os_type,
|
3303 | d1c2dd75 | Iustin Pop | vcpus=self.op.vcpus,
|
3304 | d1c2dd75 | Iustin Pop | mem_size=self.op.mem_size,
|
3305 | d1c2dd75 | Iustin Pop | disks=disks, |
3306 | d1c2dd75 | Iustin Pop | nics=nics, |
3307 | 29859cb7 | Iustin Pop | ) |
3308 | d1c2dd75 | Iustin Pop | |
3309 | d1c2dd75 | Iustin Pop | ial.Run(self.op.iallocator)
|
3310 | d1c2dd75 | Iustin Pop | |
3311 | d1c2dd75 | Iustin Pop | if not ial.success: |
3312 | 538475ca | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
3313 | 538475ca | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
3314 | d1c2dd75 | Iustin Pop | ial.info)) |
3315 | 27579978 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
3316 | 538475ca | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
3317 | 538475ca | Iustin Pop | " of nodes (%s), required %s" %
|
3318 | 97abc79f | Iustin Pop | (self.op.iallocator, len(ial.nodes), |
3319 | 1ce4bbe3 | Renรฉ Nussbaumer | ial.required_nodes)) |
3320 | d1c2dd75 | Iustin Pop | self.op.pnode = ial.nodes[0] |
3321 | 538475ca | Iustin Pop | logger.ToStdout("Selected nodes for the instance: %s" %
|
3322 | d1c2dd75 | Iustin Pop | (", ".join(ial.nodes),))
|
3323 | 538475ca | Iustin Pop | logger.Info("Selected nodes for instance %s via iallocator %s: %s" %
|
3324 | d1c2dd75 | Iustin Pop | (self.op.instance_name, self.op.iallocator, ial.nodes)) |
3325 | 27579978 | Iustin Pop | if ial.required_nodes == 2: |
3326 | d1c2dd75 | Iustin Pop | self.op.snode = ial.nodes[1] |
3327 | 538475ca | Iustin Pop | |
3328 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3329 | a8083063 | Iustin Pop | """Build hooks env.
|
3330 | a8083063 | Iustin Pop |
|
3331 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3332 | a8083063 | Iustin Pop |
|
3333 | a8083063 | Iustin Pop | """
|
3334 | a8083063 | Iustin Pop | env = { |
3335 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_TEMPLATE": self.op.disk_template, |
3336 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_SIZE": self.op.disk_size, |
3337 | 396e1b78 | Michael Hanselmann | "INSTANCE_SWAP_SIZE": self.op.swap_size, |
3338 | a8083063 | Iustin Pop | "INSTANCE_ADD_MODE": self.op.mode, |
3339 | a8083063 | Iustin Pop | } |
3340 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
3341 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_NODE"] = self.op.src_node |
3342 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_PATH"] = self.op.src_path |
3343 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_IMAGE"] = self.src_image |
3344 | 396e1b78 | Michael Hanselmann | |
3345 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
|
3346 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
3347 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
3348 | 396e1b78 | Michael Hanselmann | status=self.instance_status,
|
3349 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
3350 | 396e1b78 | Michael Hanselmann | memory=self.op.mem_size,
|
3351 | 396e1b78 | Michael Hanselmann | vcpus=self.op.vcpus,
|
3352 | c7b27e9e | Iustin Pop | nics=[(self.inst_ip, self.op.bridge, self.op.mac)], |
3353 | 396e1b78 | Michael Hanselmann | )) |
3354 | a8083063 | Iustin Pop | |
3355 | d6a02168 | Michael Hanselmann | nl = ([self.cfg.GetMasterNode(), self.op.pnode] + |
3356 | a8083063 | Iustin Pop | self.secondaries)
|
3357 | a8083063 | Iustin Pop | return env, nl, nl
|
3358 | a8083063 | Iustin Pop | |
3359 | a8083063 | Iustin Pop | |
3360 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3361 | a8083063 | Iustin Pop | """Check prerequisites.
|
3362 | a8083063 | Iustin Pop |
|
3363 | a8083063 | Iustin Pop | """
|
3364 | eedc99de | Manuel Franceschini | if (not self.cfg.GetVGName() and |
3365 | eedc99de | Manuel Franceschini | self.op.disk_template not in constants.DTS_NOT_LVM): |
3366 | eedc99de | Manuel Franceschini | raise errors.OpPrereqError("Cluster does not support lvm-based" |
3367 | eedc99de | Manuel Franceschini | " instances")
|
3368 | eedc99de | Manuel Franceschini | |
3369 | e69d05fd | Iustin Pop | |
3370 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
3371 | 7baf741d | Guido Trotter | src_node = self.op.src_node
|
3372 | 7baf741d | Guido Trotter | src_path = self.op.src_path
|
3373 | a8083063 | Iustin Pop | |
3374 | 72737a7f | Iustin Pop | export_info = self.rpc.call_export_info(src_node, src_path)
|
3375 | a8083063 | Iustin Pop | |
3376 | a8083063 | Iustin Pop | if not export_info: |
3377 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No export found in dir %s" % src_path) |
3378 | a8083063 | Iustin Pop | |
3379 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
3380 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
3381 | a8083063 | Iustin Pop | |
3382 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
3383 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
3384 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
3385 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
3386 | a8083063 | Iustin Pop | |
3387 | a8083063 | Iustin Pop | if int(export_info.get(constants.INISECT_INS, 'disk_count')) > 1: |
3388 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't import instance with more than" |
3389 | 3ecf6786 | Iustin Pop | " one data disk")
|
3390 | a8083063 | Iustin Pop | |
3391 | a8083063 | Iustin Pop | # FIXME: are the old os-es, disk sizes, etc. useful?
|
3392 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
3393 | a8083063 | Iustin Pop | diskimage = os.path.join(src_path, export_info.get(constants.INISECT_INS, |
3394 | a8083063 | Iustin Pop | 'disk0_dump'))
|
3395 | a8083063 | Iustin Pop | self.src_image = diskimage
|
3396 | 901a65c1 | Iustin Pop | |
3397 | 7baf741d | Guido Trotter | # ip ping checks (we use the same ip that was resolved in ExpandNames)
|
3398 | 901a65c1 | Iustin Pop | |
3399 | 901a65c1 | Iustin Pop | if self.op.start and not self.op.ip_check: |
3400 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
3401 | 901a65c1 | Iustin Pop | " adding an instance in start mode")
|
3402 | 901a65c1 | Iustin Pop | |
3403 | 901a65c1 | Iustin Pop | if self.op.ip_check: |
3404 | 7baf741d | Guido Trotter | if utils.TcpPing(self.check_ip, constants.DEFAULT_NODED_PORT): |
3405 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
3406 | 7b3a8fb5 | Iustin Pop | (self.check_ip, self.op.instance_name)) |
3407 | 901a65c1 | Iustin Pop | |
3408 | 901a65c1 | Iustin Pop | # bridge verification
|
3409 | 901a65c1 | Iustin Pop | bridge = getattr(self.op, "bridge", None) |
3410 | 901a65c1 | Iustin Pop | if bridge is None: |
3411 | 901a65c1 | Iustin Pop | self.op.bridge = self.cfg.GetDefBridge() |
3412 | 901a65c1 | Iustin Pop | else:
|
3413 | 901a65c1 | Iustin Pop | self.op.bridge = bridge
|
3414 | 901a65c1 | Iustin Pop | |
3415 | 538475ca | Iustin Pop | #### allocator run
|
3416 | 538475ca | Iustin Pop | |
3417 | 538475ca | Iustin Pop | if self.op.iallocator is not None: |
3418 | 538475ca | Iustin Pop | self._RunAllocator()
|
3419 | 0f1a06e3 | Manuel Franceschini | |
3420 | 901a65c1 | Iustin Pop | #### node related checks
|
3421 | 901a65c1 | Iustin Pop | |
3422 | 901a65c1 | Iustin Pop | # check primary node
|
3423 | 7baf741d | Guido Trotter | self.pnode = pnode = self.cfg.GetNodeInfo(self.op.pnode) |
3424 | 7baf741d | Guido Trotter | assert self.pnode is not None, \ |
3425 | 7baf741d | Guido Trotter | "Cannot retrieve locked node %s" % self.op.pnode |
3426 | 901a65c1 | Iustin Pop | self.secondaries = []
|
3427 | 901a65c1 | Iustin Pop | |
3428 | 901a65c1 | Iustin Pop | # mirror node verification
|
3429 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
3430 | 7baf741d | Guido Trotter | if self.op.snode is None: |
3431 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
3432 | 3ecf6786 | Iustin Pop | " a mirror node")
|
3433 | 7baf741d | Guido Trotter | if self.op.snode == pnode.name: |
3434 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
3435 | 3ecf6786 | Iustin Pop | " the primary node.")
|
3436 | 7baf741d | Guido Trotter | self.secondaries.append(self.op.snode) |
3437 | a8083063 | Iustin Pop | |
3438 | e2fe6369 | Iustin Pop | req_size = _ComputeDiskSize(self.op.disk_template,
|
3439 | e2fe6369 | Iustin Pop | self.op.disk_size, self.op.swap_size) |
3440 | ed1ebc60 | Guido Trotter | |
3441 | 8d75db10 | Iustin Pop | # Check lv size requirements
|
3442 | 8d75db10 | Iustin Pop | if req_size is not None: |
3443 | 8d75db10 | Iustin Pop | nodenames = [pnode.name] + self.secondaries
|
3444 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
3445 | 72737a7f | Iustin Pop | self.op.hypervisor)
|
3446 | 8d75db10 | Iustin Pop | for node in nodenames: |
3447 | 8d75db10 | Iustin Pop | info = nodeinfo.get(node, None)
|
3448 | 8d75db10 | Iustin Pop | if not info: |
3449 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
3450 | 3e91897b | Iustin Pop | " from node '%s'" % node)
|
3451 | 8d75db10 | Iustin Pop | vg_free = info.get('vg_free', None) |
3452 | 8d75db10 | Iustin Pop | if not isinstance(vg_free, int): |
3453 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
3454 | 8d75db10 | Iustin Pop | " node %s" % node)
|
3455 | 8d75db10 | Iustin Pop | if req_size > info['vg_free']: |
3456 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
3457 | 8d75db10 | Iustin Pop | " %d MB available, %d MB required" %
|
3458 | 8d75db10 | Iustin Pop | (node, info['vg_free'], req_size))
|
3459 | ed1ebc60 | Guido Trotter | |
3460 | a8083063 | Iustin Pop | # os verification
|
3461 | 72737a7f | Iustin Pop | os_obj = self.rpc.call_os_get(pnode.name, self.op.os_type) |
3462 | dfa96ded | Guido Trotter | if not os_obj: |
3463 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported os list for" |
3464 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
3465 | a8083063 | Iustin Pop | |
3466 | 3b6d8c9b | Iustin Pop | if self.op.kernel_path == constants.VALUE_NONE: |
3467 | 3b6d8c9b | Iustin Pop | raise errors.OpPrereqError("Can't set instance kernel to none") |
3468 | 3b6d8c9b | Iustin Pop | |
3469 | 901a65c1 | Iustin Pop | # bridge check on primary node
|
3470 | 72737a7f | Iustin Pop | if not self.rpc.call_bridges_exist(self.pnode.name, [self.op.bridge]): |
3471 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("target bridge '%s' does not exist on" |
3472 | 3ecf6786 | Iustin Pop | " destination node '%s'" %
|
3473 | 3ecf6786 | Iustin Pop | (self.op.bridge, pnode.name))
|
3474 | a8083063 | Iustin Pop | |
3475 | 49ce1563 | Iustin Pop | # memory check on primary node
|
3476 | 49ce1563 | Iustin Pop | if self.op.start: |
3477 | b9bddb6b | Iustin Pop | _CheckNodeFreeMemory(self, self.pnode.name, |
3478 | 49ce1563 | Iustin Pop | "creating instance %s" % self.op.instance_name, |
3479 | e69d05fd | Iustin Pop | self.op.mem_size, self.op.hypervisor) |
3480 | 49ce1563 | Iustin Pop | |
3481 | 31a853d2 | Iustin Pop | # hvm_cdrom_image_path verification
|
3482 | 31a853d2 | Iustin Pop | if self.op.hvm_cdrom_image_path is not None: |
3483 | 7baf741d | Guido Trotter | # FIXME (als): shouldn't these checks happen on the destination node?
|
3484 | 31a853d2 | Iustin Pop | if not os.path.isabs(self.op.hvm_cdrom_image_path): |
3485 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The path to the HVM CDROM image must" |
3486 | 31a853d2 | Iustin Pop | " be an absolute path or None, not %s" %
|
3487 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
3488 | 31a853d2 | Iustin Pop | if not os.path.isfile(self.op.hvm_cdrom_image_path): |
3489 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The HVM CDROM image must either be a" |
3490 | 31a853d2 | Iustin Pop | " regular file or a symlink pointing to"
|
3491 | 31a853d2 | Iustin Pop | " an existing regular file, not %s" %
|
3492 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
3493 | 31a853d2 | Iustin Pop | |
3494 | 31a853d2 | Iustin Pop | # vnc_bind_address verification
|
3495 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is not None: |
3496 | 31a853d2 | Iustin Pop | if not utils.IsValidIP(self.op.vnc_bind_address): |
3497 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("given VNC bind address '%s' doesn't look" |
3498 | 31a853d2 | Iustin Pop | " like a valid IP address" %
|
3499 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address)
|
3500 | 31a853d2 | Iustin Pop | |
3501 | 5397e0b7 | Alexander Schreiber | # Xen HVM device type checks
|
3502 | 00cd937c | Iustin Pop | if self.op.hypervisor == constants.HT_XEN_HVM: |
3503 | 5397e0b7 | Alexander Schreiber | if self.op.hvm_nic_type not in constants.HT_HVM_VALID_NIC_TYPES: |
3504 | 5397e0b7 | Alexander Schreiber | raise errors.OpPrereqError("Invalid NIC type %s specified for Xen HVM" |
3505 | 5397e0b7 | Alexander Schreiber | " hypervisor" % self.op.hvm_nic_type) |
3506 | 5397e0b7 | Alexander Schreiber | if self.op.hvm_disk_type not in constants.HT_HVM_VALID_DISK_TYPES: |
3507 | 5397e0b7 | Alexander Schreiber | raise errors.OpPrereqError("Invalid disk type %s specified for Xen HVM" |
3508 | 5397e0b7 | Alexander Schreiber | " hypervisor" % self.op.hvm_disk_type) |
3509 | 5397e0b7 | Alexander Schreiber | |
3510 | a8083063 | Iustin Pop | if self.op.start: |
3511 | a8083063 | Iustin Pop | self.instance_status = 'up' |
3512 | a8083063 | Iustin Pop | else:
|
3513 | a8083063 | Iustin Pop | self.instance_status = 'down' |
3514 | a8083063 | Iustin Pop | |
3515 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3516 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
3517 | a8083063 | Iustin Pop |
|
3518 | a8083063 | Iustin Pop | """
|
3519 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
3520 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
3521 | a8083063 | Iustin Pop | |
3522 | 1862d460 | Alexander Schreiber | if self.op.mac == "auto": |
3523 | ba4b62cf | Iustin Pop | mac_address = self.cfg.GenerateMAC()
|
3524 | 1862d460 | Alexander Schreiber | else:
|
3525 | ba4b62cf | Iustin Pop | mac_address = self.op.mac
|
3526 | 1862d460 | Alexander Schreiber | |
3527 | 1862d460 | Alexander Schreiber | nic = objects.NIC(bridge=self.op.bridge, mac=mac_address)
|
3528 | a8083063 | Iustin Pop | if self.inst_ip is not None: |
3529 | a8083063 | Iustin Pop | nic.ip = self.inst_ip
|
3530 | a8083063 | Iustin Pop | |
3531 | e69d05fd | Iustin Pop | ht_kind = self.op.hypervisor
|
3532 | 2a6469d5 | Alexander Schreiber | if ht_kind in constants.HTS_REQ_PORT: |
3533 | 2a6469d5 | Alexander Schreiber | network_port = self.cfg.AllocatePort()
|
3534 | 2a6469d5 | Alexander Schreiber | else:
|
3535 | 2a6469d5 | Alexander Schreiber | network_port = None
|
3536 | 58acb49d | Alexander Schreiber | |
3537 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is None: |
3538 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS
|
3539 | 31a853d2 | Iustin Pop | |
3540 | 2c313123 | Manuel Franceschini | # this is needed because os.path.join does not accept None arguments
|
3541 | 2c313123 | Manuel Franceschini | if self.op.file_storage_dir is None: |
3542 | 2c313123 | Manuel Franceschini | string_file_storage_dir = ""
|
3543 | 2c313123 | Manuel Franceschini | else:
|
3544 | 2c313123 | Manuel Franceschini | string_file_storage_dir = self.op.file_storage_dir
|
3545 | 2c313123 | Manuel Franceschini | |
3546 | 0f1a06e3 | Manuel Franceschini | # build the full file storage dir path
|
3547 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.normpath(os.path.join( |
3548 | d6a02168 | Michael Hanselmann | self.cfg.GetFileStorageDir(),
|
3549 | 2c313123 | Manuel Franceschini | string_file_storage_dir, instance)) |
3550 | 0f1a06e3 | Manuel Franceschini | |
3551 | 0f1a06e3 | Manuel Franceschini | |
3552 | b9bddb6b | Iustin Pop | disks = _GenerateDiskTemplate(self,
|
3553 | a8083063 | Iustin Pop | self.op.disk_template,
|
3554 | a8083063 | Iustin Pop | instance, pnode_name, |
3555 | a8083063 | Iustin Pop | self.secondaries, self.op.disk_size, |
3556 | 0f1a06e3 | Manuel Franceschini | self.op.swap_size,
|
3557 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, |
3558 | 0f1a06e3 | Manuel Franceschini | self.op.file_driver)
|
3559 | a8083063 | Iustin Pop | |
3560 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
3561 | a8083063 | Iustin Pop | primary_node=pnode_name, |
3562 | a8083063 | Iustin Pop | memory=self.op.mem_size,
|
3563 | a8083063 | Iustin Pop | vcpus=self.op.vcpus,
|
3564 | a8083063 | Iustin Pop | nics=[nic], disks=disks, |
3565 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
3566 | a8083063 | Iustin Pop | status=self.instance_status,
|
3567 | 58acb49d | Alexander Schreiber | network_port=network_port, |
3568 | 3b6d8c9b | Iustin Pop | kernel_path=self.op.kernel_path,
|
3569 | 3b6d8c9b | Iustin Pop | initrd_path=self.op.initrd_path,
|
3570 | 25c5878d | Alexander Schreiber | hvm_boot_order=self.op.hvm_boot_order,
|
3571 | 31a853d2 | Iustin Pop | hvm_acpi=self.op.hvm_acpi,
|
3572 | 31a853d2 | Iustin Pop | hvm_pae=self.op.hvm_pae,
|
3573 | 31a853d2 | Iustin Pop | hvm_cdrom_image_path=self.op.hvm_cdrom_image_path,
|
3574 | 31a853d2 | Iustin Pop | vnc_bind_address=self.op.vnc_bind_address,
|
3575 | 5397e0b7 | Alexander Schreiber | hvm_nic_type=self.op.hvm_nic_type,
|
3576 | 5397e0b7 | Alexander Schreiber | hvm_disk_type=self.op.hvm_disk_type,
|
3577 | e69d05fd | Iustin Pop | hypervisor=self.op.hypervisor,
|
3578 | a8083063 | Iustin Pop | ) |
3579 | a8083063 | Iustin Pop | |
3580 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
3581 | b9bddb6b | Iustin Pop | if not _CreateDisks(self, iobj): |
3582 | b9bddb6b | Iustin Pop | _RemoveDisks(self, iobj)
|
3583 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance)
|
3584 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Device creation failed, reverting...") |
3585 | a8083063 | Iustin Pop | |
3586 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
3587 | a8083063 | Iustin Pop | |
3588 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
3589 | 7baf741d | Guido Trotter | # Declare that we don't want to remove the instance lock anymore, as we've
|
3590 | 7baf741d | Guido Trotter | # added the instance to the config
|
3591 | 7baf741d | Guido Trotter | del self.remove_locks[locking.LEVEL_INSTANCE] |
3592 | a1578d63 | Iustin Pop | # Remove the temp. assignements for the instance's drbds
|
3593 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance)
|
3594 | a8083063 | Iustin Pop | |
3595 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
3596 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj) |
3597 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
3598 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
3599 | a8083063 | Iustin Pop | time.sleep(15)
|
3600 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
3601 | b9bddb6b | Iustin Pop | disk_abort = not _WaitForSync(self, iobj, oneshot=True) |
3602 | a8083063 | Iustin Pop | else:
|
3603 | a8083063 | Iustin Pop | disk_abort = False
|
3604 | a8083063 | Iustin Pop | |
3605 | a8083063 | Iustin Pop | if disk_abort:
|
3606 | b9bddb6b | Iustin Pop | _RemoveDisks(self, iobj)
|
3607 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
3608 | 7baf741d | Guido Trotter | # Make sure the instance lock gets removed
|
3609 | 7baf741d | Guido Trotter | self.remove_locks[locking.LEVEL_INSTANCE] = iobj.name
|
3610 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
3611 | 3ecf6786 | Iustin Pop | " this instance")
|
3612 | a8083063 | Iustin Pop | |
3613 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
3614 | a8083063 | Iustin Pop | (instance, pnode_name)) |
3615 | a8083063 | Iustin Pop | |
3616 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
3617 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
3618 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
3619 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_os_add(pnode_name, iobj, "sda", "sdb"): |
3620 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not add os for instance %s" |
3621 | 3ecf6786 | Iustin Pop | " on node %s" %
|
3622 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3623 | a8083063 | Iustin Pop | |
3624 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
3625 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
3626 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
3627 | a8083063 | Iustin Pop | src_image = self.src_image
|
3628 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
3629 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_os_import(pnode_name, iobj, "sda", "sdb", |
3630 | 72737a7f | Iustin Pop | src_node, src_image, |
3631 | 72737a7f | Iustin Pop | cluster_name): |
3632 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not import os for instance" |
3633 | 3ecf6786 | Iustin Pop | " %s on node %s" %
|
3634 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3635 | a8083063 | Iustin Pop | else:
|
3636 | a8083063 | Iustin Pop | # also checked in the prereq part
|
3637 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
3638 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
3639 | a8083063 | Iustin Pop | |
3640 | a8083063 | Iustin Pop | if self.op.start: |
3641 | a8083063 | Iustin Pop | logger.Info("starting instance %s on node %s" % (instance, pnode_name))
|
3642 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
3643 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(pnode_name, iobj, None): |
3644 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
3645 | a8083063 | Iustin Pop | |
3646 | a8083063 | Iustin Pop | |
3647 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
3648 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
3649 | a8083063 | Iustin Pop |
|
3650 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
3651 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
3652 | a8083063 | Iustin Pop | console.
|
3653 | a8083063 | Iustin Pop |
|
3654 | a8083063 | Iustin Pop | """
|
3655 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3656 | 8659b73e | Guido Trotter | REQ_BGL = False
|
3657 | 8659b73e | Guido Trotter | |
3658 | 8659b73e | Guido Trotter | def ExpandNames(self): |
3659 | 8659b73e | Guido Trotter | self._ExpandAndLockInstance()
|
3660 | a8083063 | Iustin Pop | |
3661 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3662 | a8083063 | Iustin Pop | """Check prerequisites.
|
3663 | a8083063 | Iustin Pop |
|
3664 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3665 | a8083063 | Iustin Pop |
|
3666 | a8083063 | Iustin Pop | """
|
3667 | 8659b73e | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3668 | 8659b73e | Guido Trotter | assert self.instance is not None, \ |
3669 | 8659b73e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3670 | a8083063 | Iustin Pop | |
3671 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3672 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
3673 | a8083063 | Iustin Pop |
|
3674 | a8083063 | Iustin Pop | """
|
3675 | a8083063 | Iustin Pop | instance = self.instance
|
3676 | a8083063 | Iustin Pop | node = instance.primary_node |
3677 | a8083063 | Iustin Pop | |
3678 | 72737a7f | Iustin Pop | node_insts = self.rpc.call_instance_list([node],
|
3679 | 72737a7f | Iustin Pop | [instance.hypervisor])[node] |
3680 | a8083063 | Iustin Pop | if node_insts is False: |
3681 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't connect to node %s." % node) |
3682 | a8083063 | Iustin Pop | |
3683 | a8083063 | Iustin Pop | if instance.name not in node_insts: |
3684 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
3685 | a8083063 | Iustin Pop | |
3686 | a8083063 | Iustin Pop | logger.Debug("connecting to console of %s on %s" % (instance.name, node))
|
3687 | a8083063 | Iustin Pop | |
3688 | e69d05fd | Iustin Pop | hyper = hypervisor.GetHypervisor(instance.hypervisor) |
3689 | 30989e69 | Alexander Schreiber | console_cmd = hyper.GetShellCommandForConsole(instance) |
3690 | b047857b | Michael Hanselmann | |
3691 | 82122173 | Iustin Pop | # build ssh cmdline
|
3692 | 0a80a26f | Michael Hanselmann | return self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True) |
3693 | a8083063 | Iustin Pop | |
3694 | a8083063 | Iustin Pop | |
3695 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
3696 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3697 | a8083063 | Iustin Pop |
|
3698 | a8083063 | Iustin Pop | """
|
3699 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
3700 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3701 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
3702 | efd990e4 | Guido Trotter | REQ_BGL = False
|
3703 | efd990e4 | Guido Trotter | |
3704 | efd990e4 | Guido Trotter | def ExpandNames(self): |
3705 | efd990e4 | Guido Trotter | self._ExpandAndLockInstance()
|
3706 | efd990e4 | Guido Trotter | |
3707 | efd990e4 | Guido Trotter | if not hasattr(self.op, "remote_node"): |
3708 | efd990e4 | Guido Trotter | self.op.remote_node = None |
3709 | efd990e4 | Guido Trotter | |
3710 | efd990e4 | Guido Trotter | ia_name = getattr(self.op, "iallocator", None) |
3711 | efd990e4 | Guido Trotter | if ia_name is not None: |
3712 | efd990e4 | Guido Trotter | if self.op.remote_node is not None: |
3713 | efd990e4 | Guido Trotter | raise errors.OpPrereqError("Give either the iallocator or the new" |
3714 | efd990e4 | Guido Trotter | " secondary, not both")
|
3715 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
3716 | efd990e4 | Guido Trotter | elif self.op.remote_node is not None: |
3717 | efd990e4 | Guido Trotter | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
3718 | efd990e4 | Guido Trotter | if remote_node is None: |
3719 | efd990e4 | Guido Trotter | raise errors.OpPrereqError("Node '%s' not known" % |
3720 | efd990e4 | Guido Trotter | self.op.remote_node)
|
3721 | efd990e4 | Guido Trotter | self.op.remote_node = remote_node
|
3722 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = [remote_node]
|
3723 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_APPEND
|
3724 | efd990e4 | Guido Trotter | else:
|
3725 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
3726 | efd990e4 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
3727 | efd990e4 | Guido Trotter | |
3728 | efd990e4 | Guido Trotter | def DeclareLocks(self, level): |
3729 | efd990e4 | Guido Trotter | # If we're not already locking all nodes in the set we have to declare the
|
3730 | efd990e4 | Guido Trotter | # instance's primary/secondary nodes.
|
3731 | efd990e4 | Guido Trotter | if (level == locking.LEVEL_NODE and |
3732 | efd990e4 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] is not locking.ALL_SET): |
3733 | efd990e4 | Guido Trotter | self._LockInstancesNodes()
|
3734 | a8083063 | Iustin Pop | |
3735 | b6e82a65 | Iustin Pop | def _RunAllocator(self): |
3736 | b6e82a65 | Iustin Pop | """Compute a new secondary node using an IAllocator.
|
3737 | b6e82a65 | Iustin Pop |
|
3738 | b6e82a65 | Iustin Pop | """
|
3739 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
3740 | b6e82a65 | Iustin Pop | mode=constants.IALLOCATOR_MODE_RELOC, |
3741 | b6e82a65 | Iustin Pop | name=self.op.instance_name,
|
3742 | b6e82a65 | Iustin Pop | relocate_from=[self.sec_node])
|
3743 | b6e82a65 | Iustin Pop | |
3744 | b6e82a65 | Iustin Pop | ial.Run(self.op.iallocator)
|
3745 | b6e82a65 | Iustin Pop | |
3746 | b6e82a65 | Iustin Pop | if not ial.success: |
3747 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
3748 | b6e82a65 | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
3749 | b6e82a65 | Iustin Pop | ial.info)) |
3750 | b6e82a65 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
3751 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
3752 | b6e82a65 | Iustin Pop | " of nodes (%s), required %s" %
|
3753 | b6e82a65 | Iustin Pop | (len(ial.nodes), ial.required_nodes))
|
3754 | b6e82a65 | Iustin Pop | self.op.remote_node = ial.nodes[0] |
3755 | b6e82a65 | Iustin Pop | logger.ToStdout("Selected new secondary for the instance: %s" %
|
3756 | b6e82a65 | Iustin Pop | self.op.remote_node)
|
3757 | b6e82a65 | Iustin Pop | |
3758 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3759 | a8083063 | Iustin Pop | """Build hooks env.
|
3760 | a8083063 | Iustin Pop |
|
3761 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3762 | a8083063 | Iustin Pop |
|
3763 | a8083063 | Iustin Pop | """
|
3764 | a8083063 | Iustin Pop | env = { |
3765 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
3766 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3767 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.instance.secondary_nodes[0], |
3768 | a8083063 | Iustin Pop | } |
3769 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3770 | 0834c866 | Iustin Pop | nl = [ |
3771 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
3772 | 0834c866 | Iustin Pop | self.instance.primary_node,
|
3773 | 0834c866 | Iustin Pop | ] |
3774 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
3775 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
3776 | a8083063 | Iustin Pop | return env, nl, nl
|
3777 | a8083063 | Iustin Pop | |
3778 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3779 | a8083063 | Iustin Pop | """Check prerequisites.
|
3780 | a8083063 | Iustin Pop |
|
3781 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3782 | a8083063 | Iustin Pop |
|
3783 | a8083063 | Iustin Pop | """
|
3784 | efd990e4 | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3785 | efd990e4 | Guido Trotter | assert instance is not None, \ |
3786 | efd990e4 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3787 | a8083063 | Iustin Pop | self.instance = instance
|
3788 | a8083063 | Iustin Pop | |
3789 | a9e0c397 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
3790 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3791 | a9e0c397 | Iustin Pop | " network mirrored.")
|
3792 | a8083063 | Iustin Pop | |
3793 | a8083063 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
3794 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
3795 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
3796 | 3ecf6786 | Iustin Pop | len(instance.secondary_nodes))
|
3797 | a8083063 | Iustin Pop | |
3798 | a9e0c397 | Iustin Pop | self.sec_node = instance.secondary_nodes[0] |
3799 | a9e0c397 | Iustin Pop | |
3800 | b6e82a65 | Iustin Pop | ia_name = getattr(self.op, "iallocator", None) |
3801 | b6e82a65 | Iustin Pop | if ia_name is not None: |
3802 | de8c7666 | Guido Trotter | self._RunAllocator()
|
3803 | b6e82a65 | Iustin Pop | |
3804 | b6e82a65 | Iustin Pop | remote_node = self.op.remote_node
|
3805 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3806 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
3807 | efd990e4 | Guido Trotter | assert self.remote_node_info is not None, \ |
3808 | efd990e4 | Guido Trotter | "Cannot retrieve locked node %s" % remote_node
|
3809 | a9e0c397 | Iustin Pop | else:
|
3810 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
3811 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3812 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3813 | 3ecf6786 | Iustin Pop | " the instance.")
|
3814 | a9e0c397 | Iustin Pop | elif remote_node == self.sec_node: |
3815 | 0834c866 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_SEC: |
3816 | 0834c866 | Iustin Pop | # this is for DRBD8, where we can't execute the same mode of
|
3817 | 0834c866 | Iustin Pop | # replacement as for drbd7 (no different port allocated)
|
3818 | 0834c866 | Iustin Pop | raise errors.OpPrereqError("Same secondary given, cannot execute" |
3819 | 0834c866 | Iustin Pop | " replacement")
|
3820 | a9e0c397 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
3821 | 7df43a76 | Iustin Pop | if (self.op.mode == constants.REPLACE_DISK_ALL and |
3822 | 7df43a76 | Iustin Pop | remote_node is not None): |
3823 | 7df43a76 | Iustin Pop | # switch to replace secondary mode
|
3824 | 7df43a76 | Iustin Pop | self.op.mode = constants.REPLACE_DISK_SEC
|
3825 | 7df43a76 | Iustin Pop | |
3826 | a9e0c397 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_ALL: |
3827 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' only allows primary or" |
3828 | a9e0c397 | Iustin Pop | " secondary disk replacement, not"
|
3829 | a9e0c397 | Iustin Pop | " both at once")
|
3830 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_PRI: |
3831 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3832 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' does not allow changing" |
3833 | a9e0c397 | Iustin Pop | " the secondary while doing a primary"
|
3834 | a9e0c397 | Iustin Pop | " node disk replacement")
|
3835 | a9e0c397 | Iustin Pop | self.tgt_node = instance.primary_node
|
3836 | cff90b79 | Iustin Pop | self.oth_node = instance.secondary_nodes[0] |
3837 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_SEC: |
3838 | a9e0c397 | Iustin Pop | self.new_node = remote_node # this can be None, in which case |
3839 | a9e0c397 | Iustin Pop | # we don't change the secondary
|
3840 | a9e0c397 | Iustin Pop | self.tgt_node = instance.secondary_nodes[0] |
3841 | cff90b79 | Iustin Pop | self.oth_node = instance.primary_node
|
3842 | a9e0c397 | Iustin Pop | else:
|
3843 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replace mode") |
3844 | a9e0c397 | Iustin Pop | |
3845 | a9e0c397 | Iustin Pop | for name in self.op.disks: |
3846 | a9e0c397 | Iustin Pop | if instance.FindDisk(name) is None: |
3847 | a9e0c397 | Iustin Pop | raise errors.OpPrereqError("Disk '%s' not found for instance '%s'" % |
3848 | a9e0c397 | Iustin Pop | (name, instance.name)) |
3849 | a8083063 | Iustin Pop | |
3850 | a9e0c397 | Iustin Pop | def _ExecD8DiskOnly(self, feedback_fn): |
3851 | a9e0c397 | Iustin Pop | """Replace a disk on the primary or secondary for dbrd8.
|
3852 | a9e0c397 | Iustin Pop |
|
3853 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3854 | a9e0c397 | Iustin Pop | - for each disk to be replaced:
|
3855 | a9e0c397 | Iustin Pop | - create new LVs on the target node with unique names
|
3856 | a9e0c397 | Iustin Pop | - detach old LVs from the drbd device
|
3857 | a9e0c397 | Iustin Pop | - rename old LVs to name_replaced.<time_t>
|
3858 | a9e0c397 | Iustin Pop | - rename new LVs to old LVs
|
3859 | a9e0c397 | Iustin Pop | - attach the new LVs (with the old names now) to the drbd device
|
3860 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3861 | a9e0c397 | Iustin Pop | - for each modified disk:
|
3862 | a9e0c397 | Iustin Pop | - remove old LVs (which have the name name_replaces.<time_t>)
|
3863 | a9e0c397 | Iustin Pop |
|
3864 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3865 | cff90b79 | Iustin Pop |
|
3866 | a9e0c397 | Iustin Pop | """
|
3867 | cff90b79 | Iustin Pop | steps_total = 6
|
3868 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3869 | a9e0c397 | Iustin Pop | instance = self.instance
|
3870 | a9e0c397 | Iustin Pop | iv_names = {} |
3871 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3872 | a9e0c397 | Iustin Pop | # start of work
|
3873 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3874 | a9e0c397 | Iustin Pop | tgt_node = self.tgt_node
|
3875 | cff90b79 | Iustin Pop | oth_node = self.oth_node
|
3876 | cff90b79 | Iustin Pop | |
3877 | cff90b79 | Iustin Pop | # Step: check device activation
|
3878 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3879 | cff90b79 | Iustin Pop | info("checking volume groups")
|
3880 | cff90b79 | Iustin Pop | my_vg = cfg.GetVGName() |
3881 | 72737a7f | Iustin Pop | results = self.rpc.call_vg_list([oth_node, tgt_node])
|
3882 | cff90b79 | Iustin Pop | if not results: |
3883 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3884 | cff90b79 | Iustin Pop | for node in oth_node, tgt_node: |
3885 | cff90b79 | Iustin Pop | res = results.get(node, False)
|
3886 | cff90b79 | Iustin Pop | if not res or my_vg not in res: |
3887 | cff90b79 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3888 | cff90b79 | Iustin Pop | (my_vg, node)) |
3889 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3890 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3891 | cff90b79 | Iustin Pop | continue
|
3892 | cff90b79 | Iustin Pop | for node in tgt_node, oth_node: |
3893 | cff90b79 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, node))
|
3894 | cff90b79 | Iustin Pop | cfg.SetDiskID(dev, node) |
3895 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_find(node, dev): |
3896 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3897 | cff90b79 | Iustin Pop | (dev.iv_name, node)) |
3898 | cff90b79 | Iustin Pop | |
3899 | cff90b79 | Iustin Pop | # Step: check other node consistency
|
3900 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3901 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3902 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3903 | cff90b79 | Iustin Pop | continue
|
3904 | cff90b79 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, oth_node))
|
3905 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, oth_node, |
3906 | cff90b79 | Iustin Pop | oth_node==instance.primary_node): |
3907 | cff90b79 | Iustin Pop | raise errors.OpExecError("Peer node (%s) has degraded storage, unsafe" |
3908 | cff90b79 | Iustin Pop | " to replace disks on this node (%s)" %
|
3909 | cff90b79 | Iustin Pop | (oth_node, tgt_node)) |
3910 | cff90b79 | Iustin Pop | |
3911 | cff90b79 | Iustin Pop | # Step: create new storage
|
3912 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3913 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3914 | a9e0c397 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3915 | a9e0c397 | Iustin Pop | continue
|
3916 | a9e0c397 | Iustin Pop | size = dev.size |
3917 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, tgt_node) |
3918 | a9e0c397 | Iustin Pop | lv_names = [".%s_%s" % (dev.iv_name, suf) for suf in ["data", "meta"]] |
3919 | b9bddb6b | Iustin Pop | names = _GenerateUniqueNames(self, lv_names)
|
3920 | a9e0c397 | Iustin Pop | lv_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
3921 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
3922 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
3923 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
3924 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
3925 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
3926 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
3927 | cff90b79 | Iustin Pop | info("creating new local storage on %s for %s" %
|
3928 | cff90b79 | Iustin Pop | (tgt_node, dev.iv_name)) |
3929 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3930 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3931 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3932 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3933 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(self, tgt_node, instance, new_lv, |
3934 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3935 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3936 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3937 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], tgt_node))
|
3938 | a9e0c397 | Iustin Pop | |
3939 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
3940 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "change drbd configuration") |
3941 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
3942 | cff90b79 | Iustin Pop | info("detaching %s drbd from local storage" % dev.iv_name)
|
3943 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_removechildren(tgt_node, dev, old_lvs): |
3944 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Can't detach drbd from local storage on node" |
3945 | a9e0c397 | Iustin Pop | " %s for device %s" % (tgt_node, dev.iv_name))
|
3946 | cff90b79 | Iustin Pop | #dev.children = []
|
3947 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
3948 | a9e0c397 | Iustin Pop | |
3949 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
3950 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
3951 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
3952 | c99a3cc0 | Manuel Franceschini | # using the assumption that logical_id == physical_id (which in
|
3953 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
3954 | cff90b79 | Iustin Pop | |
3955 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
3956 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
3957 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
3958 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
3959 | cff90b79 | Iustin Pop | # build the rename list based on what LVs exist on the node
|
3960 | cff90b79 | Iustin Pop | rlist = [] |
3961 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
3962 | 72737a7f | Iustin Pop | find_res = self.rpc.call_blockdev_find(tgt_node, to_ren)
|
3963 | cff90b79 | Iustin Pop | if find_res is not None: # device exists |
3964 | cff90b79 | Iustin Pop | rlist.append((to_ren, ren_fn(to_ren, temp_suffix))) |
3965 | cff90b79 | Iustin Pop | |
3966 | cff90b79 | Iustin Pop | info("renaming the old LVs on the target node")
|
3967 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_rename(tgt_node, rlist): |
3968 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename old LVs on node %s" % tgt_node) |
3969 | a9e0c397 | Iustin Pop | # now we rename the new LVs to the old LVs
|
3970 | cff90b79 | Iustin Pop | info("renaming the new LVs on the target node")
|
3971 | a9e0c397 | Iustin Pop | rlist = [(new, old.physical_id) for old, new in zip(old_lvs, new_lvs)] |
3972 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_rename(tgt_node, rlist): |
3973 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename new LVs on node %s" % tgt_node) |
3974 | cff90b79 | Iustin Pop | |
3975 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
3976 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
3977 | cff90b79 | Iustin Pop | cfg.SetDiskID(new, tgt_node) |
3978 | a9e0c397 | Iustin Pop | |
3979 | cff90b79 | Iustin Pop | for disk in old_lvs: |
3980 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
3981 | cff90b79 | Iustin Pop | cfg.SetDiskID(disk, tgt_node) |
3982 | a9e0c397 | Iustin Pop | |
3983 | a9e0c397 | Iustin Pop | # now that the new lvs have the old name, we can add them to the device
|
3984 | cff90b79 | Iustin Pop | info("adding new mirror component on %s" % tgt_node)
|
3985 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_addchildren(tgt_node, dev, new_lvs): |
3986 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3987 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_remove(tgt_node, new_lv): |
3988 | 79caa9ed | Guido Trotter | warning("Can't rollback device %s", hint="manually cleanup unused" |
3989 | cff90b79 | Iustin Pop | " logical volumes")
|
3990 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd") |
3991 | a9e0c397 | Iustin Pop | |
3992 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
3993 | a9e0c397 | Iustin Pop | cfg.Update(instance) |
3994 | a9e0c397 | Iustin Pop | |
3995 | cff90b79 | Iustin Pop | # Step: wait for sync
|
3996 | a9e0c397 | Iustin Pop | |
3997 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3998 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3999 | a9e0c397 | Iustin Pop | # return value
|
4000 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
4001 | b9bddb6b | Iustin Pop | _WaitForSync(self, instance, unlock=True) |
4002 | a9e0c397 | Iustin Pop | |
4003 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
4004 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
4005 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
4006 | 72737a7f | Iustin Pop | is_degr = self.rpc.call_blockdev_find(instance.primary_node, dev)[5] |
4007 | a9e0c397 | Iustin Pop | if is_degr:
|
4008 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
4009 | a9e0c397 | Iustin Pop | |
4010 | cff90b79 | Iustin Pop | # Step: remove old storage
|
4011 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
4012 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
4013 | cff90b79 | Iustin Pop | info("remove logical volumes for %s" % name)
|
4014 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
4015 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, tgt_node) |
4016 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_remove(tgt_node, lv): |
4017 | 79caa9ed | Guido Trotter | warning("Can't remove old LV", hint="manually remove unused LVs") |
4018 | a9e0c397 | Iustin Pop | continue
|
4019 | a9e0c397 | Iustin Pop | |
4020 | a9e0c397 | Iustin Pop | def _ExecD8Secondary(self, feedback_fn): |
4021 | a9e0c397 | Iustin Pop | """Replace the secondary node for drbd8.
|
4022 | a9e0c397 | Iustin Pop |
|
4023 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
4024 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
4025 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
4026 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
4027 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
4028 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
4029 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
4030 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
4031 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
4032 | a9e0c397 | Iustin Pop | not network enabled
|
4033 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
4034 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
4035 | a9e0c397 | Iustin Pop |
|
4036 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
4037 | 0834c866 | Iustin Pop |
|
4038 | a9e0c397 | Iustin Pop | """
|
4039 | 0834c866 | Iustin Pop | steps_total = 6
|
4040 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
4041 | a9e0c397 | Iustin Pop | instance = self.instance
|
4042 | a9e0c397 | Iustin Pop | iv_names = {} |
4043 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4044 | a9e0c397 | Iustin Pop | # start of work
|
4045 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
4046 | a9e0c397 | Iustin Pop | old_node = self.tgt_node
|
4047 | a9e0c397 | Iustin Pop | new_node = self.new_node
|
4048 | a9e0c397 | Iustin Pop | pri_node = instance.primary_node |
4049 | 0834c866 | Iustin Pop | |
4050 | 0834c866 | Iustin Pop | # Step: check device activation
|
4051 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
4052 | 0834c866 | Iustin Pop | info("checking volume groups")
|
4053 | 0834c866 | Iustin Pop | my_vg = cfg.GetVGName() |
4054 | 72737a7f | Iustin Pop | results = self.rpc.call_vg_list([pri_node, new_node])
|
4055 | 0834c866 | Iustin Pop | if not results: |
4056 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
4057 | 0834c866 | Iustin Pop | for node in pri_node, new_node: |
4058 | 0834c866 | Iustin Pop | res = results.get(node, False)
|
4059 | 0834c866 | Iustin Pop | if not res or my_vg not in res: |
4060 | 0834c866 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
4061 | 0834c866 | Iustin Pop | (my_vg, node)) |
4062 | 0834c866 | Iustin Pop | for dev in instance.disks: |
4063 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
4064 | 0834c866 | Iustin Pop | continue
|
4065 | 0834c866 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, pri_node))
|
4066 | 0834c866 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4067 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_find(pri_node, dev): |
4068 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
4069 | 0834c866 | Iustin Pop | (dev.iv_name, pri_node)) |
4070 | 0834c866 | Iustin Pop | |
4071 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
4072 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
4073 | 0834c866 | Iustin Pop | for dev in instance.disks: |
4074 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
4075 | 0834c866 | Iustin Pop | continue
|
4076 | 0834c866 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, pri_node))
|
4077 | b9bddb6b | Iustin Pop | if not _CheckDiskConsistency(self, dev, pri_node, True, ldisk=True): |
4078 | 0834c866 | Iustin Pop | raise errors.OpExecError("Primary node (%s) has degraded storage," |
4079 | 0834c866 | Iustin Pop | " unsafe to replace the secondary" %
|
4080 | 0834c866 | Iustin Pop | pri_node) |
4081 | 0834c866 | Iustin Pop | |
4082 | 0834c866 | Iustin Pop | # Step: create new storage
|
4083 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
4084 | 468b46f9 | Iustin Pop | for dev in instance.disks: |
4085 | a9e0c397 | Iustin Pop | size = dev.size |
4086 | 0834c866 | Iustin Pop | info("adding new local storage on %s for %s" % (new_node, dev.iv_name))
|
4087 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
4088 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
4089 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
4090 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
4091 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnPrimary(self, new_node, instance, new_lv, |
4092 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
4093 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
4094 | a9e0c397 | Iustin Pop | " node '%s'" %
|
4095 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], new_node))
|
4096 | a9e0c397 | Iustin Pop | |
4097 | 0834c866 | Iustin Pop | |
4098 | 468b46f9 | Iustin Pop | # Step 4: dbrd minors and drbd setups changes
|
4099 | a1578d63 | Iustin Pop | # after this, we must manually remove the drbd minors on both the
|
4100 | a1578d63 | Iustin Pop | # error and the success paths
|
4101 | a1578d63 | Iustin Pop | minors = cfg.AllocateDRBDMinor([new_node for dev in instance.disks], |
4102 | a1578d63 | Iustin Pop | instance.name) |
4103 | 468b46f9 | Iustin Pop | logging.debug("Allocated minors %s" % (minors,))
|
4104 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "changing drbd configuration") |
4105 | 468b46f9 | Iustin Pop | for dev, new_minor in zip(instance.disks, minors): |
4106 | 0834c866 | Iustin Pop | size = dev.size |
4107 | 0834c866 | Iustin Pop | info("activating a new drbd on %s for %s" % (new_node, dev.iv_name))
|
4108 | a9e0c397 | Iustin Pop | # create new devices on new_node
|
4109 | ffa1c0dc | Iustin Pop | if pri_node == dev.logical_id[0]: |
4110 | ffa1c0dc | Iustin Pop | new_logical_id = (pri_node, new_node, |
4111 | f9518d38 | Iustin Pop | dev.logical_id[2], dev.logical_id[3], new_minor, |
4112 | f9518d38 | Iustin Pop | dev.logical_id[5])
|
4113 | ffa1c0dc | Iustin Pop | else:
|
4114 | ffa1c0dc | Iustin Pop | new_logical_id = (new_node, pri_node, |
4115 | f9518d38 | Iustin Pop | dev.logical_id[2], new_minor, dev.logical_id[4], |
4116 | f9518d38 | Iustin Pop | dev.logical_id[5])
|
4117 | 468b46f9 | Iustin Pop | iv_names[dev.iv_name] = (dev, dev.children, new_logical_id) |
4118 | a1578d63 | Iustin Pop | logging.debug("Allocated new_minor: %s, new_logical_id: %s", new_minor,
|
4119 | a1578d63 | Iustin Pop | new_logical_id) |
4120 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
4121 | ffa1c0dc | Iustin Pop | logical_id=new_logical_id, |
4122 | a9e0c397 | Iustin Pop | children=dev.children) |
4123 | b9bddb6b | Iustin Pop | if not _CreateBlockDevOnSecondary(self, new_node, instance, |
4124 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
4125 | b9bddb6b | Iustin Pop | _GetInstanceInfoText(instance)): |
4126 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
4127 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new DRBD on" |
4128 | a9e0c397 | Iustin Pop | " node '%s'" % new_node)
|
4129 | a9e0c397 | Iustin Pop | |
4130 | 0834c866 | Iustin Pop | for dev in instance.disks: |
4131 | a9e0c397 | Iustin Pop | # we have new devices, shutdown the drbd on the old secondary
|
4132 | 0834c866 | Iustin Pop | info("shutting down drbd for %s on old node" % dev.iv_name)
|
4133 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, old_node) |
4134 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_shutdown(old_node, dev): |
4135 | 0834c866 | Iustin Pop | warning("Failed to shutdown drbd for %s on old node" % dev.iv_name,
|
4136 | 79caa9ed | Guido Trotter | hint="Please cleanup this device manually as soon as possible")
|
4137 | a9e0c397 | Iustin Pop | |
4138 | 642445d9 | Iustin Pop | info("detaching primary drbds from the network (=> standalone)")
|
4139 | 642445d9 | Iustin Pop | done = 0
|
4140 | 642445d9 | Iustin Pop | for dev in instance.disks: |
4141 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4142 | f9518d38 | Iustin Pop | # set the network part of the physical (unique in bdev terms) id
|
4143 | f9518d38 | Iustin Pop | # to None, meaning detach from network
|
4144 | f9518d38 | Iustin Pop | dev.physical_id = (None, None, None, None) + dev.physical_id[4:] |
4145 | 642445d9 | Iustin Pop | # and 'find' the device, which will 'fix' it to match the
|
4146 | 642445d9 | Iustin Pop | # standalone state
|
4147 | 72737a7f | Iustin Pop | if self.rpc.call_blockdev_find(pri_node, dev): |
4148 | 642445d9 | Iustin Pop | done += 1
|
4149 | 642445d9 | Iustin Pop | else:
|
4150 | 642445d9 | Iustin Pop | warning("Failed to detach drbd %s from network, unusual case" %
|
4151 | 642445d9 | Iustin Pop | dev.iv_name) |
4152 | 642445d9 | Iustin Pop | |
4153 | 642445d9 | Iustin Pop | if not done: |
4154 | 642445d9 | Iustin Pop | # no detaches succeeded (very unlikely)
|
4155 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
4156 | 642445d9 | Iustin Pop | raise errors.OpExecError("Can't detach at least one DRBD from old node") |
4157 | 642445d9 | Iustin Pop | |
4158 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
4159 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
4160 | 642445d9 | Iustin Pop | info("updating instance configuration")
|
4161 | 468b46f9 | Iustin Pop | for dev, _, new_logical_id in iv_names.itervalues(): |
4162 | 468b46f9 | Iustin Pop | dev.logical_id = new_logical_id |
4163 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4164 | 642445d9 | Iustin Pop | cfg.Update(instance) |
4165 | a1578d63 | Iustin Pop | # we can remove now the temp minors as now the new values are
|
4166 | a1578d63 | Iustin Pop | # written to the config file (and therefore stable)
|
4167 | a1578d63 | Iustin Pop | self.cfg.ReleaseDRBDMinors(instance.name)
|
4168 | a9e0c397 | Iustin Pop | |
4169 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
4170 | 642445d9 | Iustin Pop | info("attaching primary drbds to new secondary (standalone => connected)")
|
4171 | 642445d9 | Iustin Pop | failures = [] |
4172 | 642445d9 | Iustin Pop | for dev in instance.disks: |
4173 | 642445d9 | Iustin Pop | info("attaching primary drbd for %s to new secondary node" % dev.iv_name)
|
4174 | 642445d9 | Iustin Pop | # since the attach is smart, it's enough to 'find' the device,
|
4175 | 642445d9 | Iustin Pop | # it will automatically activate the network, if the physical_id
|
4176 | 642445d9 | Iustin Pop | # is correct
|
4177 | 642445d9 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4178 | ffa1c0dc | Iustin Pop | logging.debug("Disk to attach: %s", dev)
|
4179 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_find(pri_node, dev): |
4180 | 642445d9 | Iustin Pop | warning("can't attach drbd %s to new secondary!" % dev.iv_name,
|
4181 | 642445d9 | Iustin Pop | "please do a gnt-instance info to see the status of disks")
|
4182 | a9e0c397 | Iustin Pop | |
4183 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
4184 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
4185 | a9e0c397 | Iustin Pop | # return value
|
4186 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
4187 | b9bddb6b | Iustin Pop | _WaitForSync(self, instance, unlock=True) |
4188 | a9e0c397 | Iustin Pop | |
4189 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
4190 | ffa1c0dc | Iustin Pop | for name, (dev, old_lvs, _) in iv_names.iteritems(): |
4191 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
4192 | 72737a7f | Iustin Pop | is_degr = self.rpc.call_blockdev_find(pri_node, dev)[5] |
4193 | a9e0c397 | Iustin Pop | if is_degr:
|
4194 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
4195 | a9e0c397 | Iustin Pop | |
4196 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
4197 | ffa1c0dc | Iustin Pop | for name, (dev, old_lvs, _) in iv_names.iteritems(): |
4198 | 0834c866 | Iustin Pop | info("remove logical volumes for %s" % name)
|
4199 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
4200 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, old_node) |
4201 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_remove(old_node, lv): |
4202 | 0834c866 | Iustin Pop | warning("Can't remove LV on old secondary",
|
4203 | 79caa9ed | Guido Trotter | hint="Cleanup stale volumes by hand")
|
4204 | a9e0c397 | Iustin Pop | |
4205 | a9e0c397 | Iustin Pop | def Exec(self, feedback_fn): |
4206 | a9e0c397 | Iustin Pop | """Execute disk replacement.
|
4207 | a9e0c397 | Iustin Pop |
|
4208 | a9e0c397 | Iustin Pop | This dispatches the disk replacement to the appropriate handler.
|
4209 | a9e0c397 | Iustin Pop |
|
4210 | a9e0c397 | Iustin Pop | """
|
4211 | a9e0c397 | Iustin Pop | instance = self.instance
|
4212 | 22985314 | Guido Trotter | |
4213 | 22985314 | Guido Trotter | # Activate the instance disks if we're replacing them on a down instance
|
4214 | 22985314 | Guido Trotter | if instance.status == "down": |
4215 | b9bddb6b | Iustin Pop | _StartInstanceDisks(self, instance, True) |
4216 | 22985314 | Guido Trotter | |
4217 | abdf0113 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
4218 | a9e0c397 | Iustin Pop | if self.op.remote_node is None: |
4219 | a9e0c397 | Iustin Pop | fn = self._ExecD8DiskOnly
|
4220 | a9e0c397 | Iustin Pop | else:
|
4221 | a9e0c397 | Iustin Pop | fn = self._ExecD8Secondary
|
4222 | a9e0c397 | Iustin Pop | else:
|
4223 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replacement case") |
4224 | 22985314 | Guido Trotter | |
4225 | 22985314 | Guido Trotter | ret = fn(feedback_fn) |
4226 | 22985314 | Guido Trotter | |
4227 | 22985314 | Guido Trotter | # Deactivate the instance disks if we're replacing them on a down instance
|
4228 | 22985314 | Guido Trotter | if instance.status == "down": |
4229 | b9bddb6b | Iustin Pop | _SafeShutdownInstanceDisks(self, instance)
|
4230 | 22985314 | Guido Trotter | |
4231 | 22985314 | Guido Trotter | return ret
|
4232 | a9e0c397 | Iustin Pop | |
4233 | a8083063 | Iustin Pop | |
4234 | 8729e0d7 | Iustin Pop | class LUGrowDisk(LogicalUnit): |
4235 | 8729e0d7 | Iustin Pop | """Grow a disk of an instance.
|
4236 | 8729e0d7 | Iustin Pop |
|
4237 | 8729e0d7 | Iustin Pop | """
|
4238 | 8729e0d7 | Iustin Pop | HPATH = "disk-grow"
|
4239 | 8729e0d7 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4240 | 8729e0d7 | Iustin Pop | _OP_REQP = ["instance_name", "disk", "amount"] |
4241 | 31e63dbf | Guido Trotter | REQ_BGL = False
|
4242 | 31e63dbf | Guido Trotter | |
4243 | 31e63dbf | Guido Trotter | def ExpandNames(self): |
4244 | 31e63dbf | Guido Trotter | self._ExpandAndLockInstance()
|
4245 | 31e63dbf | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
4246 | f6d9a522 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4247 | 31e63dbf | Guido Trotter | |
4248 | 31e63dbf | Guido Trotter | def DeclareLocks(self, level): |
4249 | 31e63dbf | Guido Trotter | if level == locking.LEVEL_NODE:
|
4250 | 31e63dbf | Guido Trotter | self._LockInstancesNodes()
|
4251 | 8729e0d7 | Iustin Pop | |
4252 | 8729e0d7 | Iustin Pop | def BuildHooksEnv(self): |
4253 | 8729e0d7 | Iustin Pop | """Build hooks env.
|
4254 | 8729e0d7 | Iustin Pop |
|
4255 | 8729e0d7 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
4256 | 8729e0d7 | Iustin Pop |
|
4257 | 8729e0d7 | Iustin Pop | """
|
4258 | 8729e0d7 | Iustin Pop | env = { |
4259 | 8729e0d7 | Iustin Pop | "DISK": self.op.disk, |
4260 | 8729e0d7 | Iustin Pop | "AMOUNT": self.op.amount, |
4261 | 8729e0d7 | Iustin Pop | } |
4262 | 8729e0d7 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
4263 | 8729e0d7 | Iustin Pop | nl = [ |
4264 | d6a02168 | Michael Hanselmann | self.cfg.GetMasterNode(),
|
4265 | 8729e0d7 | Iustin Pop | self.instance.primary_node,
|
4266 | 8729e0d7 | Iustin Pop | ] |
4267 | 8729e0d7 | Iustin Pop | return env, nl, nl
|
4268 | 8729e0d7 | Iustin Pop | |
4269 | 8729e0d7 | Iustin Pop | def CheckPrereq(self): |
4270 | 8729e0d7 | Iustin Pop | """Check prerequisites.
|
4271 | 8729e0d7 | Iustin Pop |
|
4272 | 8729e0d7 | Iustin Pop | This checks that the instance is in the cluster.
|
4273 | 8729e0d7 | Iustin Pop |
|
4274 | 8729e0d7 | Iustin Pop | """
|
4275 | 31e63dbf | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4276 | 31e63dbf | Guido Trotter | assert instance is not None, \ |
4277 | 31e63dbf | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4278 | 31e63dbf | Guido Trotter | |
4279 | 8729e0d7 | Iustin Pop | self.instance = instance
|
4280 | 8729e0d7 | Iustin Pop | |
4281 | 8729e0d7 | Iustin Pop | if instance.disk_template not in (constants.DT_PLAIN, constants.DT_DRBD8): |
4282 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout does not support" |
4283 | 8729e0d7 | Iustin Pop | " growing.")
|
4284 | 8729e0d7 | Iustin Pop | |
4285 | 8729e0d7 | Iustin Pop | if instance.FindDisk(self.op.disk) is None: |
4286 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Disk '%s' not found for instance '%s'" % |
4287 | c7cdfc90 | Iustin Pop | (self.op.disk, instance.name))
|
4288 | 8729e0d7 | Iustin Pop | |
4289 | 8729e0d7 | Iustin Pop | nodenames = [instance.primary_node] + list(instance.secondary_nodes)
|
4290 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodenames, self.cfg.GetVGName(), |
4291 | 72737a7f | Iustin Pop | instance.hypervisor) |
4292 | 8729e0d7 | Iustin Pop | for node in nodenames: |
4293 | 8729e0d7 | Iustin Pop | info = nodeinfo.get(node, None)
|
4294 | 8729e0d7 | Iustin Pop | if not info: |
4295 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
4296 | 8729e0d7 | Iustin Pop | " from node '%s'" % node)
|
4297 | 8729e0d7 | Iustin Pop | vg_free = info.get('vg_free', None) |
4298 | 8729e0d7 | Iustin Pop | if not isinstance(vg_free, int): |
4299 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
4300 | 8729e0d7 | Iustin Pop | " node %s" % node)
|
4301 | 8729e0d7 | Iustin Pop | if self.op.amount > info['vg_free']: |
4302 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s:" |
4303 | 8729e0d7 | Iustin Pop | " %d MiB available, %d MiB required" %
|
4304 | 8729e0d7 | Iustin Pop | (node, info['vg_free'], self.op.amount)) |
4305 | 8729e0d7 | Iustin Pop | |
4306 | 8729e0d7 | Iustin Pop | def Exec(self, feedback_fn): |
4307 | 8729e0d7 | Iustin Pop | """Execute disk grow.
|
4308 | 8729e0d7 | Iustin Pop |
|
4309 | 8729e0d7 | Iustin Pop | """
|
4310 | 8729e0d7 | Iustin Pop | instance = self.instance
|
4311 | 8729e0d7 | Iustin Pop | disk = instance.FindDisk(self.op.disk)
|
4312 | 8729e0d7 | Iustin Pop | for node in (instance.secondary_nodes + (instance.primary_node,)): |
4313 | 8729e0d7 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
4314 | 72737a7f | Iustin Pop | result = self.rpc.call_blockdev_grow(node, disk, self.op.amount) |
4315 | 72737a7f | Iustin Pop | if (not result or not isinstance(result, (list, tuple)) or |
4316 | 72737a7f | Iustin Pop | len(result) != 2): |
4317 | 8729e0d7 | Iustin Pop | raise errors.OpExecError("grow request failed to node %s" % node) |
4318 | 8729e0d7 | Iustin Pop | elif not result[0]: |
4319 | 8729e0d7 | Iustin Pop | raise errors.OpExecError("grow request failed to node %s: %s" % |
4320 | 8729e0d7 | Iustin Pop | (node, result[1]))
|
4321 | 8729e0d7 | Iustin Pop | disk.RecordGrow(self.op.amount)
|
4322 | 8729e0d7 | Iustin Pop | self.cfg.Update(instance)
|
4323 | 8729e0d7 | Iustin Pop | return
|
4324 | 8729e0d7 | Iustin Pop | |
4325 | 8729e0d7 | Iustin Pop | |
4326 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
4327 | a8083063 | Iustin Pop | """Query runtime instance data.
|
4328 | a8083063 | Iustin Pop |
|
4329 | a8083063 | Iustin Pop | """
|
4330 | a8083063 | Iustin Pop | _OP_REQP = ["instances"]
|
4331 | a987fa48 | Guido Trotter | REQ_BGL = False
|
4332 | ae5849b5 | Michael Hanselmann | |
4333 | a987fa48 | Guido Trotter | def ExpandNames(self): |
4334 | a987fa48 | Guido Trotter | self.needed_locks = {}
|
4335 | a987fa48 | Guido Trotter | self.share_locks = dict(((i, 1) for i in locking.LEVELS)) |
4336 | a987fa48 | Guido Trotter | |
4337 | a987fa48 | Guido Trotter | if not isinstance(self.op.instances, list): |
4338 | a987fa48 | Guido Trotter | raise errors.OpPrereqError("Invalid argument type 'instances'") |
4339 | a987fa48 | Guido Trotter | |
4340 | a987fa48 | Guido Trotter | if self.op.instances: |
4341 | a987fa48 | Guido Trotter | self.wanted_names = []
|
4342 | a987fa48 | Guido Trotter | for name in self.op.instances: |
4343 | a987fa48 | Guido Trotter | full_name = self.cfg.ExpandInstanceName(name)
|
4344 | a987fa48 | Guido Trotter | if full_name is None: |
4345 | a987fa48 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
4346 | a987fa48 | Guido Trotter | self.op.instance_name)
|
4347 | a987fa48 | Guido Trotter | self.wanted_names.append(full_name)
|
4348 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = self.wanted_names |
4349 | a987fa48 | Guido Trotter | else:
|
4350 | a987fa48 | Guido Trotter | self.wanted_names = None |
4351 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = locking.ALL_SET
|
4352 | a987fa48 | Guido Trotter | |
4353 | a987fa48 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
4354 | a987fa48 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = constants.LOCKS_REPLACE
|
4355 | a987fa48 | Guido Trotter | |
4356 | a987fa48 | Guido Trotter | def DeclareLocks(self, level): |
4357 | a987fa48 | Guido Trotter | if level == locking.LEVEL_NODE:
|
4358 | a987fa48 | Guido Trotter | self._LockInstancesNodes()
|
4359 | a8083063 | Iustin Pop | |
4360 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4361 | a8083063 | Iustin Pop | """Check prerequisites.
|
4362 | a8083063 | Iustin Pop |
|
4363 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
4364 | a8083063 | Iustin Pop |
|
4365 | a8083063 | Iustin Pop | """
|
4366 | a987fa48 | Guido Trotter | if self.wanted_names is None: |
4367 | a987fa48 | Guido Trotter | self.wanted_names = self.acquired_locks[locking.LEVEL_INSTANCE] |
4368 | a8083063 | Iustin Pop | |
4369 | a987fa48 | Guido Trotter | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
4370 | a987fa48 | Guido Trotter | in self.wanted_names] |
4371 | a987fa48 | Guido Trotter | return
|
4372 | a8083063 | Iustin Pop | |
4373 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
4374 | a8083063 | Iustin Pop | """Compute block device status.
|
4375 | a8083063 | Iustin Pop |
|
4376 | a8083063 | Iustin Pop | """
|
4377 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
4378 | 72737a7f | Iustin Pop | dev_pstatus = self.rpc.call_blockdev_find(instance.primary_node, dev)
|
4379 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
4380 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
4381 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
4382 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
4383 | a8083063 | Iustin Pop | else:
|
4384 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
4385 | a8083063 | Iustin Pop | |
4386 | a8083063 | Iustin Pop | if snode:
|
4387 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
4388 | 72737a7f | Iustin Pop | dev_sstatus = self.rpc.call_blockdev_find(snode, dev)
|
4389 | a8083063 | Iustin Pop | else:
|
4390 | a8083063 | Iustin Pop | dev_sstatus = None
|
4391 | a8083063 | Iustin Pop | |
4392 | a8083063 | Iustin Pop | if dev.children:
|
4393 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
4394 | a8083063 | Iustin Pop | for child in dev.children] |
4395 | a8083063 | Iustin Pop | else:
|
4396 | a8083063 | Iustin Pop | dev_children = [] |
4397 | a8083063 | Iustin Pop | |
4398 | a8083063 | Iustin Pop | data = { |
4399 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
4400 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
4401 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
4402 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
4403 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
4404 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
4405 | a8083063 | Iustin Pop | "children": dev_children,
|
4406 | a8083063 | Iustin Pop | } |
4407 | a8083063 | Iustin Pop | |
4408 | a8083063 | Iustin Pop | return data
|
4409 | a8083063 | Iustin Pop | |
4410 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4411 | a8083063 | Iustin Pop | """Gather and return data"""
|
4412 | a8083063 | Iustin Pop | result = {} |
4413 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
4414 | 72737a7f | Iustin Pop | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
4415 | 72737a7f | Iustin Pop | instance.name, |
4416 | 72737a7f | Iustin Pop | instance.hypervisor) |
4417 | a8083063 | Iustin Pop | if remote_info and "state" in remote_info: |
4418 | a8083063 | Iustin Pop | remote_state = "up"
|
4419 | a8083063 | Iustin Pop | else:
|
4420 | a8083063 | Iustin Pop | remote_state = "down"
|
4421 | a8083063 | Iustin Pop | if instance.status == "down": |
4422 | a8083063 | Iustin Pop | config_state = "down"
|
4423 | a8083063 | Iustin Pop | else:
|
4424 | a8083063 | Iustin Pop | config_state = "up"
|
4425 | a8083063 | Iustin Pop | |
4426 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
4427 | a8083063 | Iustin Pop | for device in instance.disks] |
4428 | a8083063 | Iustin Pop | |
4429 | a8083063 | Iustin Pop | idict = { |
4430 | a8083063 | Iustin Pop | "name": instance.name,
|
4431 | a8083063 | Iustin Pop | "config_state": config_state,
|
4432 | a8083063 | Iustin Pop | "run_state": remote_state,
|
4433 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
4434 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
4435 | a8083063 | Iustin Pop | "os": instance.os,
|
4436 | a8083063 | Iustin Pop | "memory": instance.memory,
|
4437 | a8083063 | Iustin Pop | "nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics], |
4438 | a8083063 | Iustin Pop | "disks": disks,
|
4439 | f55ff7ec | Iustin Pop | "vcpus": instance.vcpus,
|
4440 | e69d05fd | Iustin Pop | "hypervisor": instance.hypervisor,
|
4441 | a8083063 | Iustin Pop | } |
4442 | a8083063 | Iustin Pop | |
4443 | e69d05fd | Iustin Pop | htkind = instance.hypervisor |
4444 | 00cd937c | Iustin Pop | if htkind == constants.HT_XEN_PVM:
|
4445 | a8340917 | Iustin Pop | idict["kernel_path"] = instance.kernel_path
|
4446 | a8340917 | Iustin Pop | idict["initrd_path"] = instance.initrd_path
|
4447 | a8340917 | Iustin Pop | |
4448 | 00cd937c | Iustin Pop | if htkind == constants.HT_XEN_HVM:
|
4449 | a8340917 | Iustin Pop | idict["hvm_boot_order"] = instance.hvm_boot_order
|
4450 | a8340917 | Iustin Pop | idict["hvm_acpi"] = instance.hvm_acpi
|
4451 | a8340917 | Iustin Pop | idict["hvm_pae"] = instance.hvm_pae
|
4452 | a8340917 | Iustin Pop | idict["hvm_cdrom_image_path"] = instance.hvm_cdrom_image_path
|
4453 | 5397e0b7 | Alexander Schreiber | idict["hvm_nic_type"] = instance.hvm_nic_type
|
4454 | 5397e0b7 | Alexander Schreiber | idict["hvm_disk_type"] = instance.hvm_disk_type
|
4455 | a8340917 | Iustin Pop | |
4456 | a8340917 | Iustin Pop | if htkind in constants.HTS_REQ_PORT: |
4457 | d0c11cf7 | Alexander Schreiber | if instance.vnc_bind_address is None: |
4458 | d0c11cf7 | Alexander Schreiber | vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS |
4459 | d0c11cf7 | Alexander Schreiber | else:
|
4460 | d0c11cf7 | Alexander Schreiber | vnc_bind_address = instance.vnc_bind_address |
4461 | 34b6ab97 | Alexander Schreiber | if instance.network_port is None: |
4462 | 34b6ab97 | Alexander Schreiber | vnc_console_port = None
|
4463 | d0c11cf7 | Alexander Schreiber | elif vnc_bind_address == constants.BIND_ADDRESS_GLOBAL:
|
4464 | a4273aba | Alexander Schreiber | vnc_console_port = "%s:%s" % (instance.primary_node,
|
4465 | 34b6ab97 | Alexander Schreiber | instance.network_port) |
4466 | d0c11cf7 | Alexander Schreiber | elif vnc_bind_address == constants.LOCALHOST_IP_ADDRESS:
|
4467 | d0c11cf7 | Alexander Schreiber | vnc_console_port = "%s:%s on node %s" % (vnc_bind_address,
|
4468 | a4273aba | Alexander Schreiber | instance.network_port, |
4469 | a4273aba | Alexander Schreiber | instance.primary_node) |
4470 | 34b6ab97 | Alexander Schreiber | else:
|
4471 | 34b6ab97 | Alexander Schreiber | vnc_console_port = "%s:%s" % (instance.vnc_bind_address,
|
4472 | 34b6ab97 | Alexander Schreiber | instance.network_port) |
4473 | 34b6ab97 | Alexander Schreiber | idict["vnc_console_port"] = vnc_console_port
|
4474 | d0c11cf7 | Alexander Schreiber | idict["vnc_bind_address"] = vnc_bind_address
|
4475 | a8340917 | Iustin Pop | idict["network_port"] = instance.network_port
|
4476 | a8340917 | Iustin Pop | |
4477 | a8083063 | Iustin Pop | result[instance.name] = idict |
4478 | a8083063 | Iustin Pop | |
4479 | a8083063 | Iustin Pop | return result
|
4480 | a8083063 | Iustin Pop | |
4481 | a8083063 | Iustin Pop | |
4482 | 7767bbf5 | Manuel Franceschini | class LUSetInstanceParams(LogicalUnit): |
4483 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
4484 | a8083063 | Iustin Pop |
|
4485 | a8083063 | Iustin Pop | """
|
4486 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
4487 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4488 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
4489 | 1a5c7281 | Guido Trotter | REQ_BGL = False
|
4490 | 1a5c7281 | Guido Trotter | |
4491 | 1a5c7281 | Guido Trotter | def ExpandNames(self): |
4492 | 1a5c7281 | Guido Trotter | self._ExpandAndLockInstance()
|
4493 | a8083063 | Iustin Pop | |
4494 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4495 | a8083063 | Iustin Pop | """Build hooks env.
|
4496 | a8083063 | Iustin Pop |
|
4497 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
4498 | a8083063 | Iustin Pop |
|
4499 | a8083063 | Iustin Pop | """
|
4500 | 396e1b78 | Michael Hanselmann | args = dict()
|
4501 | a8083063 | Iustin Pop | if self.mem: |
4502 | 396e1b78 | Michael Hanselmann | args['memory'] = self.mem |
4503 | a8083063 | Iustin Pop | if self.vcpus: |
4504 | 396e1b78 | Michael Hanselmann | args['vcpus'] = self.vcpus |
4505 | ef756965 | Iustin Pop | if self.do_ip or self.do_bridge or self.mac: |
4506 | 396e1b78 | Michael Hanselmann | if self.do_ip: |
4507 | 396e1b78 | Michael Hanselmann | ip = self.ip
|
4508 | 396e1b78 | Michael Hanselmann | else:
|
4509 | 396e1b78 | Michael Hanselmann | ip = self.instance.nics[0].ip |
4510 | 396e1b78 | Michael Hanselmann | if self.bridge: |
4511 | 396e1b78 | Michael Hanselmann | bridge = self.bridge
|
4512 | 396e1b78 | Michael Hanselmann | else:
|
4513 | 396e1b78 | Michael Hanselmann | bridge = self.instance.nics[0].bridge |
4514 | ef756965 | Iustin Pop | if self.mac: |
4515 | ef756965 | Iustin Pop | mac = self.mac
|
4516 | ef756965 | Iustin Pop | else:
|
4517 | ef756965 | Iustin Pop | mac = self.instance.nics[0].mac |
4518 | ef756965 | Iustin Pop | args['nics'] = [(ip, bridge, mac)]
|
4519 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance, override=args)
|
4520 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode(),
|
4521 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
4522 | a8083063 | Iustin Pop | return env, nl, nl
|
4523 | a8083063 | Iustin Pop | |
4524 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4525 | a8083063 | Iustin Pop | """Check prerequisites.
|
4526 | a8083063 | Iustin Pop |
|
4527 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
4528 | a8083063 | Iustin Pop |
|
4529 | a8083063 | Iustin Pop | """
|
4530 | 1a5c7281 | Guido Trotter | # FIXME: all the parameters could be checked before, in ExpandNames, or in
|
4531 | 1a5c7281 | Guido Trotter | # a separate CheckArguments function, if we implement one, so the operation
|
4532 | 1a5c7281 | Guido Trotter | # can be aborted without waiting for any lock, should it have an error...
|
4533 | a8083063 | Iustin Pop | self.mem = getattr(self.op, "mem", None) |
4534 | a8083063 | Iustin Pop | self.vcpus = getattr(self.op, "vcpus", None) |
4535 | a8083063 | Iustin Pop | self.ip = getattr(self.op, "ip", None) |
4536 | 1862d460 | Alexander Schreiber | self.mac = getattr(self.op, "mac", None) |
4537 | a8083063 | Iustin Pop | self.bridge = getattr(self.op, "bridge", None) |
4538 | 973d7867 | Iustin Pop | self.kernel_path = getattr(self.op, "kernel_path", None) |
4539 | 973d7867 | Iustin Pop | self.initrd_path = getattr(self.op, "initrd_path", None) |
4540 | 25c5878d | Alexander Schreiber | self.hvm_boot_order = getattr(self.op, "hvm_boot_order", None) |
4541 | 31a853d2 | Iustin Pop | self.hvm_acpi = getattr(self.op, "hvm_acpi", None) |
4542 | 31a853d2 | Iustin Pop | self.hvm_pae = getattr(self.op, "hvm_pae", None) |
4543 | 5397e0b7 | Alexander Schreiber | self.hvm_nic_type = getattr(self.op, "hvm_nic_type", None) |
4544 | 5397e0b7 | Alexander Schreiber | self.hvm_disk_type = getattr(self.op, "hvm_disk_type", None) |
4545 | 31a853d2 | Iustin Pop | self.hvm_cdrom_image_path = getattr(self.op, "hvm_cdrom_image_path", None) |
4546 | 31a853d2 | Iustin Pop | self.vnc_bind_address = getattr(self.op, "vnc_bind_address", None) |
4547 | 4300c4b6 | Guido Trotter | self.force = getattr(self.op, "force", None) |
4548 | 31a853d2 | Iustin Pop | all_parms = [self.mem, self.vcpus, self.ip, self.bridge, self.mac, |
4549 | 31a853d2 | Iustin Pop | self.kernel_path, self.initrd_path, self.hvm_boot_order, |
4550 | 31a853d2 | Iustin Pop | self.hvm_acpi, self.hvm_pae, self.hvm_cdrom_image_path, |
4551 | 5397e0b7 | Alexander Schreiber | self.vnc_bind_address, self.hvm_nic_type, self.hvm_disk_type] |
4552 | 31a853d2 | Iustin Pop | if all_parms.count(None) == len(all_parms): |
4553 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
4554 | a8083063 | Iustin Pop | if self.mem is not None: |
4555 | a8083063 | Iustin Pop | try:
|
4556 | a8083063 | Iustin Pop | self.mem = int(self.mem) |
4557 | a8083063 | Iustin Pop | except ValueError, err: |
4558 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid memory size: %s" % str(err)) |
4559 | a8083063 | Iustin Pop | if self.vcpus is not None: |
4560 | a8083063 | Iustin Pop | try:
|
4561 | a8083063 | Iustin Pop | self.vcpus = int(self.vcpus) |
4562 | a8083063 | Iustin Pop | except ValueError, err: |
4563 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid vcpus number: %s" % str(err)) |
4564 | a8083063 | Iustin Pop | if self.ip is not None: |
4565 | a8083063 | Iustin Pop | self.do_ip = True |
4566 | a8083063 | Iustin Pop | if self.ip.lower() == "none": |
4567 | a8083063 | Iustin Pop | self.ip = None |
4568 | a8083063 | Iustin Pop | else:
|
4569 | a8083063 | Iustin Pop | if not utils.IsValidIP(self.ip): |
4570 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'." % self.ip) |
4571 | a8083063 | Iustin Pop | else:
|
4572 | a8083063 | Iustin Pop | self.do_ip = False |
4573 | ecb215b5 | Michael Hanselmann | self.do_bridge = (self.bridge is not None) |
4574 | 1862d460 | Alexander Schreiber | if self.mac is not None: |
4575 | 1862d460 | Alexander Schreiber | if self.cfg.IsMacInUse(self.mac): |
4576 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError('MAC address %s already in use in cluster' % |
4577 | 1862d460 | Alexander Schreiber | self.mac)
|
4578 | 1862d460 | Alexander Schreiber | if not utils.IsValidMac(self.mac): |
4579 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError('Invalid MAC address %s' % self.mac) |
4580 | a8083063 | Iustin Pop | |
4581 | 973d7867 | Iustin Pop | if self.kernel_path is not None: |
4582 | 973d7867 | Iustin Pop | self.do_kernel_path = True |
4583 | 973d7867 | Iustin Pop | if self.kernel_path == constants.VALUE_NONE: |
4584 | 973d7867 | Iustin Pop | raise errors.OpPrereqError("Can't set instance to no kernel") |
4585 | 973d7867 | Iustin Pop | |
4586 | 973d7867 | Iustin Pop | if self.kernel_path != constants.VALUE_DEFAULT: |
4587 | 973d7867 | Iustin Pop | if not os.path.isabs(self.kernel_path): |
4588 | ba4b62cf | Iustin Pop | raise errors.OpPrereqError("The kernel path must be an absolute" |
4589 | 973d7867 | Iustin Pop | " filename")
|
4590 | 8cafeb26 | Iustin Pop | else:
|
4591 | 8cafeb26 | Iustin Pop | self.do_kernel_path = False |
4592 | 973d7867 | Iustin Pop | |
4593 | 973d7867 | Iustin Pop | if self.initrd_path is not None: |
4594 | 973d7867 | Iustin Pop | self.do_initrd_path = True |
4595 | 973d7867 | Iustin Pop | if self.initrd_path not in (constants.VALUE_NONE, |
4596 | 973d7867 | Iustin Pop | constants.VALUE_DEFAULT): |
4597 | 2bc22872 | Iustin Pop | if not os.path.isabs(self.initrd_path): |
4598 | ba4b62cf | Iustin Pop | raise errors.OpPrereqError("The initrd path must be an absolute" |
4599 | 973d7867 | Iustin Pop | " filename")
|
4600 | 8cafeb26 | Iustin Pop | else:
|
4601 | 8cafeb26 | Iustin Pop | self.do_initrd_path = False |
4602 | 973d7867 | Iustin Pop | |
4603 | 25c5878d | Alexander Schreiber | # boot order verification
|
4604 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order is not None: |
4605 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order != constants.VALUE_DEFAULT: |
4606 | 25c5878d | Alexander Schreiber | if len(self.hvm_boot_order.strip("acdn")) != 0: |
4607 | 25c5878d | Alexander Schreiber | raise errors.OpPrereqError("invalid boot order specified," |
4608 | 25c5878d | Alexander Schreiber | " must be one or more of [acdn]"
|
4609 | 25c5878d | Alexander Schreiber | " or 'default'")
|
4610 | 25c5878d | Alexander Schreiber | |
4611 | 31a853d2 | Iustin Pop | # hvm_cdrom_image_path verification
|
4612 | 31a853d2 | Iustin Pop | if self.op.hvm_cdrom_image_path is not None: |
4613 | 3fc175f0 | Alexander Schreiber | if not (os.path.isabs(self.op.hvm_cdrom_image_path) or |
4614 | 3fc175f0 | Alexander Schreiber | self.op.hvm_cdrom_image_path.lower() == "none"): |
4615 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The path to the HVM CDROM image must" |
4616 | 31a853d2 | Iustin Pop | " be an absolute path or None, not %s" %
|
4617 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
4618 | 3fc175f0 | Alexander Schreiber | if not (os.path.isfile(self.op.hvm_cdrom_image_path) or |
4619 | 3fc175f0 | Alexander Schreiber | self.op.hvm_cdrom_image_path.lower() == "none"): |
4620 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The HVM CDROM image must either be a" |
4621 | 31a853d2 | Iustin Pop | " regular file or a symlink pointing to"
|
4622 | 31a853d2 | Iustin Pop | " an existing regular file, not %s" %
|
4623 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
4624 | 31a853d2 | Iustin Pop | |
4625 | 31a853d2 | Iustin Pop | # vnc_bind_address verification
|
4626 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is not None: |
4627 | 31a853d2 | Iustin Pop | if not utils.IsValidIP(self.op.vnc_bind_address): |
4628 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("given VNC bind address '%s' doesn't look" |
4629 | 31a853d2 | Iustin Pop | " like a valid IP address" %
|
4630 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address)
|
4631 | 31a853d2 | Iustin Pop | |
4632 | cfefe007 | Guido Trotter | instance = self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4633 | 1a5c7281 | Guido Trotter | assert self.instance is not None, \ |
4634 | 1a5c7281 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4635 | cfefe007 | Guido Trotter | self.warn = []
|
4636 | cfefe007 | Guido Trotter | if self.mem is not None and not self.force: |
4637 | cfefe007 | Guido Trotter | pnode = self.instance.primary_node
|
4638 | cfefe007 | Guido Trotter | nodelist = [pnode] |
4639 | cfefe007 | Guido Trotter | nodelist.extend(instance.secondary_nodes) |
4640 | 72737a7f | Iustin Pop | instance_info = self.rpc.call_instance_info(pnode, instance.name,
|
4641 | 72737a7f | Iustin Pop | instance.hypervisor) |
4642 | 72737a7f | Iustin Pop | nodeinfo = self.rpc.call_node_info(nodelist, self.cfg.GetVGName(), |
4643 | 72737a7f | Iustin Pop | instance.hypervisor) |
4644 | cfefe007 | Guido Trotter | |
4645 | cfefe007 | Guido Trotter | if pnode not in nodeinfo or not isinstance(nodeinfo[pnode], dict): |
4646 | cfefe007 | Guido Trotter | # Assume the primary node is unreachable and go ahead
|
4647 | cfefe007 | Guido Trotter | self.warn.append("Can't get info from primary node %s" % pnode) |
4648 | cfefe007 | Guido Trotter | else:
|
4649 | cfefe007 | Guido Trotter | if instance_info:
|
4650 | cfefe007 | Guido Trotter | current_mem = instance_info['memory']
|
4651 | cfefe007 | Guido Trotter | else:
|
4652 | cfefe007 | Guido Trotter | # Assume instance not running
|
4653 | cfefe007 | Guido Trotter | # (there is a slight race condition here, but it's not very probable,
|
4654 | cfefe007 | Guido Trotter | # and we have no other way to check)
|
4655 | cfefe007 | Guido Trotter | current_mem = 0
|
4656 | cfefe007 | Guido Trotter | miss_mem = self.mem - current_mem - nodeinfo[pnode]['memory_free'] |
4657 | cfefe007 | Guido Trotter | if miss_mem > 0: |
4658 | cfefe007 | Guido Trotter | raise errors.OpPrereqError("This change will prevent the instance" |
4659 | cfefe007 | Guido Trotter | " from starting, due to %d MB of memory"
|
4660 | cfefe007 | Guido Trotter | " missing on its primary node" % miss_mem)
|
4661 | cfefe007 | Guido Trotter | |
4662 | cfefe007 | Guido Trotter | for node in instance.secondary_nodes: |
4663 | cfefe007 | Guido Trotter | if node not in nodeinfo or not isinstance(nodeinfo[node], dict): |
4664 | cfefe007 | Guido Trotter | self.warn.append("Can't get info from secondary node %s" % node) |
4665 | cfefe007 | Guido Trotter | elif self.mem > nodeinfo[node]['memory_free']: |
4666 | cfefe007 | Guido Trotter | self.warn.append("Not enough memory to failover instance to secondary" |
4667 | cfefe007 | Guido Trotter | " node %s" % node)
|
4668 | cfefe007 | Guido Trotter | |
4669 | 5bc84f33 | Alexander Schreiber | # Xen HVM device type checks
|
4670 | 00cd937c | Iustin Pop | if instance.hypervisor == constants.HT_XEN_HVM:
|
4671 | 5bc84f33 | Alexander Schreiber | if self.op.hvm_nic_type is not None: |
4672 | 5bc84f33 | Alexander Schreiber | if self.op.hvm_nic_type not in constants.HT_HVM_VALID_NIC_TYPES: |
4673 | 5bc84f33 | Alexander Schreiber | raise errors.OpPrereqError("Invalid NIC type %s specified for Xen" |
4674 | 5bc84f33 | Alexander Schreiber | " HVM hypervisor" % self.op.hvm_nic_type) |
4675 | 5bc84f33 | Alexander Schreiber | if self.op.hvm_disk_type is not None: |
4676 | 5bc84f33 | Alexander Schreiber | if self.op.hvm_disk_type not in constants.HT_HVM_VALID_DISK_TYPES: |
4677 | 5bc84f33 | Alexander Schreiber | raise errors.OpPrereqError("Invalid disk type %s specified for Xen" |
4678 | 5bc84f33 | Alexander Schreiber | " HVM hypervisor" % self.op.hvm_disk_type) |
4679 | 5bc84f33 | Alexander Schreiber | |
4680 | a8083063 | Iustin Pop | return
|
4681 | a8083063 | Iustin Pop | |
4682 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4683 | a8083063 | Iustin Pop | """Modifies an instance.
|
4684 | a8083063 | Iustin Pop |
|
4685 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
4686 | a8083063 | Iustin Pop | """
|
4687 | cfefe007 | Guido Trotter | # Process here the warnings from CheckPrereq, as we don't have a
|
4688 | cfefe007 | Guido Trotter | # feedback_fn there.
|
4689 | cfefe007 | Guido Trotter | for warn in self.warn: |
4690 | cfefe007 | Guido Trotter | feedback_fn("WARNING: %s" % warn)
|
4691 | cfefe007 | Guido Trotter | |
4692 | a8083063 | Iustin Pop | result = [] |
4693 | a8083063 | Iustin Pop | instance = self.instance
|
4694 | a8083063 | Iustin Pop | if self.mem: |
4695 | a8083063 | Iustin Pop | instance.memory = self.mem
|
4696 | a8083063 | Iustin Pop | result.append(("mem", self.mem)) |
4697 | a8083063 | Iustin Pop | if self.vcpus: |
4698 | a8083063 | Iustin Pop | instance.vcpus = self.vcpus
|
4699 | a8083063 | Iustin Pop | result.append(("vcpus", self.vcpus)) |
4700 | a8083063 | Iustin Pop | if self.do_ip: |
4701 | a8083063 | Iustin Pop | instance.nics[0].ip = self.ip |
4702 | a8083063 | Iustin Pop | result.append(("ip", self.ip)) |
4703 | a8083063 | Iustin Pop | if self.bridge: |
4704 | a8083063 | Iustin Pop | instance.nics[0].bridge = self.bridge |
4705 | a8083063 | Iustin Pop | result.append(("bridge", self.bridge)) |
4706 | 1862d460 | Alexander Schreiber | if self.mac: |
4707 | 1862d460 | Alexander Schreiber | instance.nics[0].mac = self.mac |
4708 | 1862d460 | Alexander Schreiber | result.append(("mac", self.mac)) |
4709 | 973d7867 | Iustin Pop | if self.do_kernel_path: |
4710 | 973d7867 | Iustin Pop | instance.kernel_path = self.kernel_path
|
4711 | 973d7867 | Iustin Pop | result.append(("kernel_path", self.kernel_path)) |
4712 | 973d7867 | Iustin Pop | if self.do_initrd_path: |
4713 | 973d7867 | Iustin Pop | instance.initrd_path = self.initrd_path
|
4714 | 973d7867 | Iustin Pop | result.append(("initrd_path", self.initrd_path)) |
4715 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order: |
4716 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order == constants.VALUE_DEFAULT: |
4717 | 25c5878d | Alexander Schreiber | instance.hvm_boot_order = None
|
4718 | 25c5878d | Alexander Schreiber | else:
|
4719 | 25c5878d | Alexander Schreiber | instance.hvm_boot_order = self.hvm_boot_order
|
4720 | 25c5878d | Alexander Schreiber | result.append(("hvm_boot_order", self.hvm_boot_order)) |
4721 | 3fc175f0 | Alexander Schreiber | if self.hvm_acpi is not None: |
4722 | ec1ba002 | Iustin Pop | instance.hvm_acpi = self.hvm_acpi
|
4723 | 31a853d2 | Iustin Pop | result.append(("hvm_acpi", self.hvm_acpi)) |
4724 | 3fc175f0 | Alexander Schreiber | if self.hvm_pae is not None: |
4725 | ec1ba002 | Iustin Pop | instance.hvm_pae = self.hvm_pae
|
4726 | 31a853d2 | Iustin Pop | result.append(("hvm_pae", self.hvm_pae)) |
4727 | 5397e0b7 | Alexander Schreiber | if self.hvm_nic_type is not None: |
4728 | 5397e0b7 | Alexander Schreiber | instance.hvm_nic_type = self.hvm_nic_type
|
4729 | 5397e0b7 | Alexander Schreiber | result.append(("hvm_nic_type", self.hvm_nic_type)) |
4730 | 5397e0b7 | Alexander Schreiber | if self.hvm_disk_type is not None: |
4731 | 5397e0b7 | Alexander Schreiber | instance.hvm_disk_type = self.hvm_disk_type
|
4732 | 5397e0b7 | Alexander Schreiber | result.append(("hvm_disk_type", self.hvm_disk_type)) |
4733 | 31a853d2 | Iustin Pop | if self.hvm_cdrom_image_path: |
4734 | 3fc175f0 | Alexander Schreiber | if self.hvm_cdrom_image_path == constants.VALUE_NONE: |
4735 | 3fc175f0 | Alexander Schreiber | instance.hvm_cdrom_image_path = None
|
4736 | 3fc175f0 | Alexander Schreiber | else:
|
4737 | 3fc175f0 | Alexander Schreiber | instance.hvm_cdrom_image_path = self.hvm_cdrom_image_path
|
4738 | 31a853d2 | Iustin Pop | result.append(("hvm_cdrom_image_path", self.hvm_cdrom_image_path)) |
4739 | 31a853d2 | Iustin Pop | if self.vnc_bind_address: |
4740 | 31a853d2 | Iustin Pop | instance.vnc_bind_address = self.vnc_bind_address
|
4741 | 31a853d2 | Iustin Pop | result.append(("vnc_bind_address", self.vnc_bind_address)) |
4742 | a8083063 | Iustin Pop | |
4743 | ea94e1cd | Guido Trotter | self.cfg.Update(instance)
|
4744 | a8083063 | Iustin Pop | |
4745 | a8083063 | Iustin Pop | return result
|
4746 | a8083063 | Iustin Pop | |
4747 | a8083063 | Iustin Pop | |
4748 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
4749 | a8083063 | Iustin Pop | """Query the exports list
|
4750 | a8083063 | Iustin Pop |
|
4751 | a8083063 | Iustin Pop | """
|
4752 | 895ecd9c | Guido Trotter | _OP_REQP = ['nodes']
|
4753 | 21a15682 | Guido Trotter | REQ_BGL = False
|
4754 | 21a15682 | Guido Trotter | |
4755 | 21a15682 | Guido Trotter | def ExpandNames(self): |
4756 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
4757 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
4758 | 21a15682 | Guido Trotter | if not self.op.nodes: |
4759 | e310b019 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
4760 | 21a15682 | Guido Trotter | else:
|
4761 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
4762 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
4763 | a8083063 | Iustin Pop | |
4764 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4765 | 21a15682 | Guido Trotter | """Check prerequisites.
|
4766 | a8083063 | Iustin Pop |
|
4767 | a8083063 | Iustin Pop | """
|
4768 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
4769 | a8083063 | Iustin Pop | |
4770 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4771 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
4772 | a8083063 | Iustin Pop |
|
4773 | a8083063 | Iustin Pop | Returns:
|
4774 | a8083063 | Iustin Pop | a dictionary with the structure node->(export-list)
|
4775 | a8083063 | Iustin Pop | where export-list is a list of the instances exported on
|
4776 | a8083063 | Iustin Pop | that node.
|
4777 | a8083063 | Iustin Pop |
|
4778 | a8083063 | Iustin Pop | """
|
4779 | 72737a7f | Iustin Pop | return self.rpc.call_export_list(self.nodes) |
4780 | a8083063 | Iustin Pop | |
4781 | a8083063 | Iustin Pop | |
4782 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
4783 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4784 | a8083063 | Iustin Pop |
|
4785 | a8083063 | Iustin Pop | """
|
4786 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
4787 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4788 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
4789 | 6657590e | Guido Trotter | REQ_BGL = False
|
4790 | 6657590e | Guido Trotter | |
4791 | 6657590e | Guido Trotter | def ExpandNames(self): |
4792 | 6657590e | Guido Trotter | self._ExpandAndLockInstance()
|
4793 | 6657590e | Guido Trotter | # FIXME: lock only instance primary and destination node
|
4794 | 6657590e | Guido Trotter | #
|
4795 | 6657590e | Guido Trotter | # Sad but true, for now we have do lock all nodes, as we don't know where
|
4796 | 6657590e | Guido Trotter | # the previous export might be, and and in this LU we search for it and
|
4797 | 6657590e | Guido Trotter | # remove it from its current node. In the future we could fix this by:
|
4798 | 6657590e | Guido Trotter | # - making a tasklet to search (share-lock all), then create the new one,
|
4799 | 6657590e | Guido Trotter | # then one to remove, after
|
4800 | 6657590e | Guido Trotter | # - removing the removal operation altoghether
|
4801 | 6657590e | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
4802 | 6657590e | Guido Trotter | |
4803 | 6657590e | Guido Trotter | def DeclareLocks(self, level): |
4804 | 6657590e | Guido Trotter | """Last minute lock declaration."""
|
4805 | 6657590e | Guido Trotter | # All nodes are locked anyway, so nothing to do here.
|
4806 | a8083063 | Iustin Pop | |
4807 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4808 | a8083063 | Iustin Pop | """Build hooks env.
|
4809 | a8083063 | Iustin Pop |
|
4810 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
4811 | a8083063 | Iustin Pop |
|
4812 | a8083063 | Iustin Pop | """
|
4813 | a8083063 | Iustin Pop | env = { |
4814 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
4815 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
4816 | a8083063 | Iustin Pop | } |
4817 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
4818 | d6a02168 | Michael Hanselmann | nl = [self.cfg.GetMasterNode(), self.instance.primary_node, |
4819 | a8083063 | Iustin Pop | self.op.target_node]
|
4820 | a8083063 | Iustin Pop | return env, nl, nl
|
4821 | a8083063 | Iustin Pop | |
4822 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4823 | a8083063 | Iustin Pop | """Check prerequisites.
|
4824 | a8083063 | Iustin Pop |
|
4825 | 9ac99fda | Guido Trotter | This checks that the instance and node names are valid.
|
4826 | a8083063 | Iustin Pop |
|
4827 | a8083063 | Iustin Pop | """
|
4828 | 6657590e | Guido Trotter | instance_name = self.op.instance_name
|
4829 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
4830 | 6657590e | Guido Trotter | assert self.instance is not None, \ |
4831 | 6657590e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4832 | a8083063 | Iustin Pop | |
4833 | 6657590e | Guido Trotter | self.dst_node = self.cfg.GetNodeInfo( |
4834 | 6657590e | Guido Trotter | self.cfg.ExpandNodeName(self.op.target_node)) |
4835 | a8083063 | Iustin Pop | |
4836 | 6657590e | Guido Trotter | assert self.dst_node is not None, \ |
4837 | 6657590e | Guido Trotter | "Cannot retrieve locked node %s" % self.op.target_node |
4838 | a8083063 | Iustin Pop | |
4839 | b6023d6c | Manuel Franceschini | # instance disk type verification
|
4840 | b6023d6c | Manuel Franceschini | for disk in self.instance.disks: |
4841 | b6023d6c | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
4842 | b6023d6c | Manuel Franceschini | raise errors.OpPrereqError("Export not supported for instances with" |
4843 | b6023d6c | Manuel Franceschini | " file-based disks")
|
4844 | b6023d6c | Manuel Franceschini | |
4845 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4846 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4847 | a8083063 | Iustin Pop |
|
4848 | a8083063 | Iustin Pop | """
|
4849 | a8083063 | Iustin Pop | instance = self.instance
|
4850 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
4851 | a8083063 | Iustin Pop | src_node = instance.primary_node |
4852 | a8083063 | Iustin Pop | if self.op.shutdown: |
4853 | fb300fb7 | Guido Trotter | # shutdown the instance, but not the disks
|
4854 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_shutdown(src_node, instance): |
4855 | 38206f3c | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
4856 | 38206f3c | Iustin Pop | (instance.name, src_node)) |
4857 | a8083063 | Iustin Pop | |
4858 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4859 | a8083063 | Iustin Pop | |
4860 | a8083063 | Iustin Pop | snap_disks = [] |
4861 | a8083063 | Iustin Pop | |
4862 | a8083063 | Iustin Pop | try:
|
4863 | a8083063 | Iustin Pop | for disk in instance.disks: |
4864 | a8083063 | Iustin Pop | if disk.iv_name == "sda": |
4865 | a8083063 | Iustin Pop | # new_dev_name will be a snapshot of an lvm leaf of the one we passed
|
4866 | 72737a7f | Iustin Pop | new_dev_name = self.rpc.call_blockdev_snapshot(src_node, disk)
|
4867 | a8083063 | Iustin Pop | |
4868 | a8083063 | Iustin Pop | if not new_dev_name: |
4869 | a8083063 | Iustin Pop | logger.Error("could not snapshot block device %s on node %s" %
|
4870 | a8083063 | Iustin Pop | (disk.logical_id[1], src_node))
|
4871 | a8083063 | Iustin Pop | else:
|
4872 | fe96220b | Iustin Pop | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
4873 | a8083063 | Iustin Pop | logical_id=(vgname, new_dev_name), |
4874 | a8083063 | Iustin Pop | physical_id=(vgname, new_dev_name), |
4875 | a8083063 | Iustin Pop | iv_name=disk.iv_name) |
4876 | a8083063 | Iustin Pop | snap_disks.append(new_dev) |
4877 | a8083063 | Iustin Pop | |
4878 | a8083063 | Iustin Pop | finally:
|
4879 | fb300fb7 | Guido Trotter | if self.op.shutdown and instance.status == "up": |
4880 | 72737a7f | Iustin Pop | if not self.rpc.call_instance_start(src_node, instance, None): |
4881 | b9bddb6b | Iustin Pop | _ShutdownInstanceDisks(self, instance)
|
4882 | fb300fb7 | Guido Trotter | raise errors.OpExecError("Could not start instance") |
4883 | a8083063 | Iustin Pop | |
4884 | a8083063 | Iustin Pop | # TODO: check for size
|
4885 | a8083063 | Iustin Pop | |
4886 | 62c9ec92 | Iustin Pop | cluster_name = self.cfg.GetClusterName()
|
4887 | a8083063 | Iustin Pop | for dev in snap_disks: |
4888 | 72737a7f | Iustin Pop | if not self.rpc.call_snapshot_export(src_node, dev, dst_node.name, |
4889 | 62c9ec92 | Iustin Pop | instance, cluster_name): |
4890 | 16687b98 | Manuel Franceschini | logger.Error("could not export block device %s from node %s to node %s"
|
4891 | 16687b98 | Manuel Franceschini | % (dev.logical_id[1], src_node, dst_node.name))
|
4892 | 72737a7f | Iustin Pop | if not self.rpc.call_blockdev_remove(src_node, dev): |
4893 | 16687b98 | Manuel Franceschini | logger.Error("could not remove snapshot block device %s from node %s" %
|
4894 | 16687b98 | Manuel Franceschini | (dev.logical_id[1], src_node))
|
4895 | a8083063 | Iustin Pop | |
4896 | 72737a7f | Iustin Pop | if not self.rpc.call_finalize_export(dst_node.name, instance, snap_disks): |
4897 | a8083063 | Iustin Pop | logger.Error("could not finalize export for instance %s on node %s" %
|
4898 | a8083063 | Iustin Pop | (instance.name, dst_node.name)) |
4899 | a8083063 | Iustin Pop | |
4900 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
4901 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
4902 | a8083063 | Iustin Pop | |
4903 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
4904 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
4905 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
4906 | a8083063 | Iustin Pop | if nodelist:
|
4907 | 72737a7f | Iustin Pop | exportlist = self.rpc.call_export_list(nodelist)
|
4908 | a8083063 | Iustin Pop | for node in exportlist: |
4909 | a8083063 | Iustin Pop | if instance.name in exportlist[node]: |
4910 | 72737a7f | Iustin Pop | if not self.rpc.call_export_remove(node, instance.name): |
4911 | a8083063 | Iustin Pop | logger.Error("could not remove older export for instance %s"
|
4912 | a8083063 | Iustin Pop | " on node %s" % (instance.name, node))
|
4913 | 5c947f38 | Iustin Pop | |
4914 | 5c947f38 | Iustin Pop | |
4915 | 9ac99fda | Guido Trotter | class LURemoveExport(NoHooksLU): |
4916 | 9ac99fda | Guido Trotter | """Remove exports related to the named instance.
|
4917 | 9ac99fda | Guido Trotter |
|
4918 | 9ac99fda | Guido Trotter | """
|
4919 | 9ac99fda | Guido Trotter | _OP_REQP = ["instance_name"]
|
4920 | 3656b3af | Guido Trotter | REQ_BGL = False
|
4921 | 3656b3af | Guido Trotter | |
4922 | 3656b3af | Guido Trotter | def ExpandNames(self): |
4923 | 3656b3af | Guido Trotter | self.needed_locks = {}
|
4924 | 3656b3af | Guido Trotter | # We need all nodes to be locked in order for RemoveExport to work, but we
|
4925 | 3656b3af | Guido Trotter | # don't need to lock the instance itself, as nothing will happen to it (and
|
4926 | 3656b3af | Guido Trotter | # we can remove exports also for a removed instance)
|
4927 | 3656b3af | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = locking.ALL_SET
|
4928 | 9ac99fda | Guido Trotter | |
4929 | 9ac99fda | Guido Trotter | def CheckPrereq(self): |
4930 | 9ac99fda | Guido Trotter | """Check prerequisites.
|
4931 | 9ac99fda | Guido Trotter | """
|
4932 | 9ac99fda | Guido Trotter | pass
|
4933 | 9ac99fda | Guido Trotter | |
4934 | 9ac99fda | Guido Trotter | def Exec(self, feedback_fn): |
4935 | 9ac99fda | Guido Trotter | """Remove any export.
|
4936 | 9ac99fda | Guido Trotter |
|
4937 | 9ac99fda | Guido Trotter | """
|
4938 | 9ac99fda | Guido Trotter | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
4939 | 9ac99fda | Guido Trotter | # If the instance was not found we'll try with the name that was passed in.
|
4940 | 9ac99fda | Guido Trotter | # This will only work if it was an FQDN, though.
|
4941 | 9ac99fda | Guido Trotter | fqdn_warn = False
|
4942 | 9ac99fda | Guido Trotter | if not instance_name: |
4943 | 9ac99fda | Guido Trotter | fqdn_warn = True
|
4944 | 9ac99fda | Guido Trotter | instance_name = self.op.instance_name
|
4945 | 9ac99fda | Guido Trotter | |
4946 | 72737a7f | Iustin Pop | exportlist = self.rpc.call_export_list(self.acquired_locks[ |
4947 | 72737a7f | Iustin Pop | locking.LEVEL_NODE]) |
4948 | 9ac99fda | Guido Trotter | found = False
|
4949 | 9ac99fda | Guido Trotter | for node in exportlist: |
4950 | 9ac99fda | Guido Trotter | if instance_name in exportlist[node]: |
4951 | 9ac99fda | Guido Trotter | found = True
|
4952 | 72737a7f | Iustin Pop | if not self.rpc.call_export_remove(node, instance_name): |
4953 | 9ac99fda | Guido Trotter | logger.Error("could not remove export for instance %s"
|
4954 | 9ac99fda | Guido Trotter | " on node %s" % (instance_name, node))
|
4955 | 9ac99fda | Guido Trotter | |
4956 | 9ac99fda | Guido Trotter | if fqdn_warn and not found: |
4957 | 9ac99fda | Guido Trotter | feedback_fn("Export not found. If trying to remove an export belonging"
|
4958 | 9ac99fda | Guido Trotter | " to a deleted instance please use its Fully Qualified"
|
4959 | 9ac99fda | Guido Trotter | " Domain Name.")
|
4960 | 9ac99fda | Guido Trotter | |
4961 | 9ac99fda | Guido Trotter | |
4962 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
4963 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
4964 | 5c947f38 | Iustin Pop |
|
4965 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
4966 | 5c947f38 | Iustin Pop |
|
4967 | 5c947f38 | Iustin Pop | """
|
4968 | 5c947f38 | Iustin Pop | |
4969 | 8646adce | Guido Trotter | def ExpandNames(self): |
4970 | 8646adce | Guido Trotter | self.needed_locks = {}
|
4971 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_NODE: |
4972 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
4973 | 5c947f38 | Iustin Pop | if name is None: |
4974 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
4975 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4976 | 5c947f38 | Iustin Pop | self.op.name = name
|
4977 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = name
|
4978 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
4979 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
4980 | 5c947f38 | Iustin Pop | if name is None: |
4981 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
4982 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4983 | 5c947f38 | Iustin Pop | self.op.name = name
|
4984 | 8646adce | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = name
|
4985 | 8646adce | Guido Trotter | |
4986 | 8646adce | Guido Trotter | def CheckPrereq(self): |
4987 | 8646adce | Guido Trotter | """Check prerequisites.
|
4988 | 8646adce | Guido Trotter |
|
4989 | 8646adce | Guido Trotter | """
|
4990 | 8646adce | Guido Trotter | if self.op.kind == constants.TAG_CLUSTER: |
4991 | 8646adce | Guido Trotter | self.target = self.cfg.GetClusterInfo() |
4992 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_NODE: |
4993 | 8646adce | Guido Trotter | self.target = self.cfg.GetNodeInfo(self.op.name) |
4994 | 8646adce | Guido Trotter | elif self.op.kind == constants.TAG_INSTANCE: |
4995 | 8646adce | Guido Trotter | self.target = self.cfg.GetInstanceInfo(self.op.name) |
4996 | 5c947f38 | Iustin Pop | else:
|
4997 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
4998 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
4999 | 5c947f38 | Iustin Pop | |
5000 | 5c947f38 | Iustin Pop | |
5001 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
5002 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
5003 | 5c947f38 | Iustin Pop |
|
5004 | 5c947f38 | Iustin Pop | """
|
5005 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
5006 | 8646adce | Guido Trotter | REQ_BGL = False
|
5007 | 5c947f38 | Iustin Pop | |
5008 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
5009 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
5010 | 5c947f38 | Iustin Pop |
|
5011 | 5c947f38 | Iustin Pop | """
|
5012 | 5d414478 | Oleksiy Mishchenko | return list(self.target.GetTags()) |
5013 | 5c947f38 | Iustin Pop | |
5014 | 5c947f38 | Iustin Pop | |
5015 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
5016 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
5017 | 73415719 | Iustin Pop |
|
5018 | 73415719 | Iustin Pop | """
|
5019 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
5020 | 8646adce | Guido Trotter | REQ_BGL = False
|
5021 | 8646adce | Guido Trotter | |
5022 | 8646adce | Guido Trotter | def ExpandNames(self): |
5023 | 8646adce | Guido Trotter | self.needed_locks = {}
|
5024 | 73415719 | Iustin Pop | |
5025 | 73415719 | Iustin Pop | def CheckPrereq(self): |
5026 | 73415719 | Iustin Pop | """Check prerequisites.
|
5027 | 73415719 | Iustin Pop |
|
5028 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
5029 | 73415719 | Iustin Pop |
|
5030 | 73415719 | Iustin Pop | """
|
5031 | 73415719 | Iustin Pop | try:
|
5032 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
5033 | 73415719 | Iustin Pop | except re.error, err:
|
5034 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
5035 | 73415719 | Iustin Pop | (self.op.pattern, err))
|
5036 | 73415719 | Iustin Pop | |
5037 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
5038 | 73415719 | Iustin Pop | """Returns the tag list.
|
5039 | 73415719 | Iustin Pop |
|
5040 | 73415719 | Iustin Pop | """
|
5041 | 73415719 | Iustin Pop | cfg = self.cfg
|
5042 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
5043 | 8646adce | Guido Trotter | ilist = cfg.GetAllInstancesInfo().values() |
5044 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
5045 | 8646adce | Guido Trotter | nlist = cfg.GetAllNodesInfo().values() |
5046 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
5047 | 73415719 | Iustin Pop | results = [] |
5048 | 73415719 | Iustin Pop | for path, target in tgts: |
5049 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
5050 | 73415719 | Iustin Pop | if self.re.search(tag): |
5051 | 73415719 | Iustin Pop | results.append((path, tag)) |
5052 | 73415719 | Iustin Pop | return results
|
5053 | 73415719 | Iustin Pop | |
5054 | 73415719 | Iustin Pop | |
5055 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
5056 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
5057 | 5c947f38 | Iustin Pop |
|
5058 | 5c947f38 | Iustin Pop | """
|
5059 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
5060 | 8646adce | Guido Trotter | REQ_BGL = False
|
5061 | 5c947f38 | Iustin Pop | |
5062 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
5063 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
5064 | 5c947f38 | Iustin Pop |
|
5065 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
5066 | 5c947f38 | Iustin Pop |
|
5067 | 5c947f38 | Iustin Pop | """
|
5068 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
5069 | f27302fa | Iustin Pop | for tag in self.op.tags: |
5070 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
5071 | 5c947f38 | Iustin Pop | |
5072 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
5073 | 5c947f38 | Iustin Pop | """Sets the tag.
|
5074 | 5c947f38 | Iustin Pop |
|
5075 | 5c947f38 | Iustin Pop | """
|
5076 | 5c947f38 | Iustin Pop | try:
|
5077 | f27302fa | Iustin Pop | for tag in self.op.tags: |
5078 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
5079 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
5080 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
5081 | 5c947f38 | Iustin Pop | try:
|
5082 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
5083 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
5084 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
5085 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
5086 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
5087 | 5c947f38 | Iustin Pop | |
5088 | 5c947f38 | Iustin Pop | |
5089 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
5090 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
5091 | 5c947f38 | Iustin Pop |
|
5092 | 5c947f38 | Iustin Pop | """
|
5093 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
5094 | 8646adce | Guido Trotter | REQ_BGL = False
|
5095 | 5c947f38 | Iustin Pop | |
5096 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
5097 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
5098 | 5c947f38 | Iustin Pop |
|
5099 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
5100 | 5c947f38 | Iustin Pop |
|
5101 | 5c947f38 | Iustin Pop | """
|
5102 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
5103 | f27302fa | Iustin Pop | for tag in self.op.tags: |
5104 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
5105 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
5106 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
5107 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
5108 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
5109 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
5110 | f27302fa | Iustin Pop | diff_names.sort() |
5111 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
5112 | f27302fa | Iustin Pop | (",".join(diff_names)))
|
5113 | 5c947f38 | Iustin Pop | |
5114 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
5115 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
5116 | 5c947f38 | Iustin Pop |
|
5117 | 5c947f38 | Iustin Pop | """
|
5118 | f27302fa | Iustin Pop | for tag in self.op.tags: |
5119 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
5120 | 5c947f38 | Iustin Pop | try:
|
5121 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
5122 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
5123 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
5124 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
5125 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
5126 | 06009e27 | Iustin Pop | |
5127 | 0eed6e61 | Guido Trotter | |
5128 | 06009e27 | Iustin Pop | class LUTestDelay(NoHooksLU): |
5129 | 06009e27 | Iustin Pop | """Sleep for a specified amount of time.
|
5130 | 06009e27 | Iustin Pop |
|
5131 | 0b097284 | Guido Trotter | This LU sleeps on the master and/or nodes for a specified amount of
|
5132 | 06009e27 | Iustin Pop | time.
|
5133 | 06009e27 | Iustin Pop |
|
5134 | 06009e27 | Iustin Pop | """
|
5135 | 06009e27 | Iustin Pop | _OP_REQP = ["duration", "on_master", "on_nodes"] |
5136 | fbe9022f | Guido Trotter | REQ_BGL = False
|
5137 | 06009e27 | Iustin Pop | |
5138 | fbe9022f | Guido Trotter | def ExpandNames(self): |
5139 | fbe9022f | Guido Trotter | """Expand names and set required locks.
|
5140 | 06009e27 | Iustin Pop |
|
5141 | fbe9022f | Guido Trotter | This expands the node list, if any.
|
5142 | 06009e27 | Iustin Pop |
|
5143 | 06009e27 | Iustin Pop | """
|
5144 | fbe9022f | Guido Trotter | self.needed_locks = {}
|
5145 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
5146 | fbe9022f | Guido Trotter | # _GetWantedNodes can be used here, but is not always appropriate to use
|
5147 | fbe9022f | Guido Trotter | # this way in ExpandNames. Check LogicalUnit.ExpandNames docstring for
|
5148 | fbe9022f | Guido Trotter | # more information.
|
5149 | 06009e27 | Iustin Pop | self.op.on_nodes = _GetWantedNodes(self, self.op.on_nodes) |
5150 | fbe9022f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = self.op.on_nodes |
5151 | fbe9022f | Guido Trotter | |
5152 | fbe9022f | Guido Trotter | def CheckPrereq(self): |
5153 | fbe9022f | Guido Trotter | """Check prerequisites.
|
5154 | fbe9022f | Guido Trotter |
|
5155 | fbe9022f | Guido Trotter | """
|
5156 | 06009e27 | Iustin Pop | |
5157 | 06009e27 | Iustin Pop | def Exec(self, feedback_fn): |
5158 | 06009e27 | Iustin Pop | """Do the actual sleep.
|
5159 | 06009e27 | Iustin Pop |
|
5160 | 06009e27 | Iustin Pop | """
|
5161 | 06009e27 | Iustin Pop | if self.op.on_master: |
5162 | 06009e27 | Iustin Pop | if not utils.TestDelay(self.op.duration): |
5163 | 06009e27 | Iustin Pop | raise errors.OpExecError("Error during master delay test") |
5164 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
5165 | 72737a7f | Iustin Pop | result = self.rpc.call_test_delay(self.op.on_nodes, self.op.duration) |
5166 | 06009e27 | Iustin Pop | if not result: |
5167 | 06009e27 | Iustin Pop | raise errors.OpExecError("Complete failure from rpc call") |
5168 | 06009e27 | Iustin Pop | for node, node_result in result.items(): |
5169 | 06009e27 | Iustin Pop | if not node_result: |
5170 | 06009e27 | Iustin Pop | raise errors.OpExecError("Failure during rpc call to node %s," |
5171 | 06009e27 | Iustin Pop | " result: %s" % (node, node_result))
|
5172 | d61df03e | Iustin Pop | |
5173 | d61df03e | Iustin Pop | |
5174 | d1c2dd75 | Iustin Pop | class IAllocator(object): |
5175 | d1c2dd75 | Iustin Pop | """IAllocator framework.
|
5176 | d61df03e | Iustin Pop |
|
5177 | d1c2dd75 | Iustin Pop | An IAllocator instance has three sets of attributes:
|
5178 | d6a02168 | Michael Hanselmann | - cfg that is needed to query the cluster
|
5179 | d1c2dd75 | Iustin Pop | - input data (all members of the _KEYS class attribute are required)
|
5180 | d1c2dd75 | Iustin Pop | - four buffer attributes (in|out_data|text), that represent the
|
5181 | d1c2dd75 | Iustin Pop | input (to the external script) in text and data structure format,
|
5182 | d1c2dd75 | Iustin Pop | and the output from it, again in two formats
|
5183 | d1c2dd75 | Iustin Pop | - the result variables from the script (success, info, nodes) for
|
5184 | d1c2dd75 | Iustin Pop | easy usage
|
5185 | d61df03e | Iustin Pop |
|
5186 | d61df03e | Iustin Pop | """
|
5187 | 29859cb7 | Iustin Pop | _ALLO_KEYS = [ |
5188 | d1c2dd75 | Iustin Pop | "mem_size", "disks", "disk_template", |
5189 | d1c2dd75 | Iustin Pop | "os", "tags", "nics", "vcpus", |
5190 | d1c2dd75 | Iustin Pop | ] |
5191 | 29859cb7 | Iustin Pop | _RELO_KEYS = [ |
5192 | 29859cb7 | Iustin Pop | "relocate_from",
|
5193 | 29859cb7 | Iustin Pop | ] |
5194 | d1c2dd75 | Iustin Pop | |
5195 | 72737a7f | Iustin Pop | def __init__(self, lu, mode, name, **kwargs): |
5196 | 72737a7f | Iustin Pop | self.lu = lu
|
5197 | d1c2dd75 | Iustin Pop | # init buffer variables
|
5198 | d1c2dd75 | Iustin Pop | self.in_text = self.out_text = self.in_data = self.out_data = None |
5199 | d1c2dd75 | Iustin Pop | # init all input fields so that pylint is happy
|
5200 | 29859cb7 | Iustin Pop | self.mode = mode
|
5201 | 29859cb7 | Iustin Pop | self.name = name
|
5202 | d1c2dd75 | Iustin Pop | self.mem_size = self.disks = self.disk_template = None |
5203 | d1c2dd75 | Iustin Pop | self.os = self.tags = self.nics = self.vcpus = None |
5204 | 29859cb7 | Iustin Pop | self.relocate_from = None |
5205 | 27579978 | Iustin Pop | # computed fields
|
5206 | 27579978 | Iustin Pop | self.required_nodes = None |
5207 | d1c2dd75 | Iustin Pop | # init result fields
|
5208 | d1c2dd75 | Iustin Pop | self.success = self.info = self.nodes = None |
5209 | 29859cb7 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
5210 | 29859cb7 | Iustin Pop | keyset = self._ALLO_KEYS
|
5211 | 29859cb7 | Iustin Pop | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
5212 | 29859cb7 | Iustin Pop | keyset = self._RELO_KEYS
|
5213 | 29859cb7 | Iustin Pop | else:
|
5214 | 29859cb7 | Iustin Pop | raise errors.ProgrammerError("Unknown mode '%s' passed to the" |
5215 | 29859cb7 | Iustin Pop | " IAllocator" % self.mode) |
5216 | d1c2dd75 | Iustin Pop | for key in kwargs: |
5217 | 29859cb7 | Iustin Pop | if key not in keyset: |
5218 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Invalid input parameter '%s' to" |
5219 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
5220 | d1c2dd75 | Iustin Pop | setattr(self, key, kwargs[key]) |
5221 | 29859cb7 | Iustin Pop | for key in keyset: |
5222 | d1c2dd75 | Iustin Pop | if key not in kwargs: |
5223 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Missing input parameter '%s' to" |
5224 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
5225 | d1c2dd75 | Iustin Pop | self._BuildInputData()
|
5226 | d1c2dd75 | Iustin Pop | |
5227 | d1c2dd75 | Iustin Pop | def _ComputeClusterData(self): |
5228 | d1c2dd75 | Iustin Pop | """Compute the generic allocator input data.
|
5229 | d1c2dd75 | Iustin Pop |
|
5230 | d1c2dd75 | Iustin Pop | This is the data that is independent of the actual operation.
|
5231 | d1c2dd75 | Iustin Pop |
|
5232 | d1c2dd75 | Iustin Pop | """
|
5233 | 72737a7f | Iustin Pop | cfg = self.lu.cfg
|
5234 | e69d05fd | Iustin Pop | cluster_info = cfg.GetClusterInfo() |
5235 | d1c2dd75 | Iustin Pop | # cluster data
|
5236 | d1c2dd75 | Iustin Pop | data = { |
5237 | d1c2dd75 | Iustin Pop | "version": 1, |
5238 | 72737a7f | Iustin Pop | "cluster_name": cfg.GetClusterName(),
|
5239 | e69d05fd | Iustin Pop | "cluster_tags": list(cluster_info.GetTags()), |
5240 | e69d05fd | Iustin Pop | "enable_hypervisors": list(cluster_info.enabled_hypervisors), |
5241 | d1c2dd75 | Iustin Pop | # we don't have job IDs
|
5242 | d61df03e | Iustin Pop | } |
5243 | d61df03e | Iustin Pop | |
5244 | 6286519f | Iustin Pop | i_list = [cfg.GetInstanceInfo(iname) for iname in cfg.GetInstanceList()] |
5245 | 6286519f | Iustin Pop | |
5246 | d1c2dd75 | Iustin Pop | # node data
|
5247 | d1c2dd75 | Iustin Pop | node_results = {} |
5248 | d1c2dd75 | Iustin Pop | node_list = cfg.GetNodeList() |
5249 | e69d05fd | Iustin Pop | # FIXME: here we have only one hypervisor information, but
|
5250 | e69d05fd | Iustin Pop | # instance can belong to different hypervisors
|
5251 | 72737a7f | Iustin Pop | node_data = self.lu.rpc.call_node_info(node_list, cfg.GetVGName(),
|
5252 | 72737a7f | Iustin Pop | cfg.GetHypervisorType()) |
5253 | d1c2dd75 | Iustin Pop | for nname in node_list: |
5254 | d1c2dd75 | Iustin Pop | ninfo = cfg.GetNodeInfo(nname) |
5255 | d1c2dd75 | Iustin Pop | if nname not in node_data or not isinstance(node_data[nname], dict): |
5256 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't get data for node %s" % nname) |
5257 | d1c2dd75 | Iustin Pop | remote_info = node_data[nname] |
5258 | b2662e7f | Iustin Pop | for attr in ['memory_total', 'memory_free', 'memory_dom0', |
5259 | 4337cf1b | Iustin Pop | 'vg_size', 'vg_free', 'cpu_total']: |
5260 | d1c2dd75 | Iustin Pop | if attr not in remote_info: |
5261 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' didn't return attribute '%s'" % |
5262 | d1c2dd75 | Iustin Pop | (nname, attr)) |
5263 | d1c2dd75 | Iustin Pop | try:
|
5264 | b2662e7f | Iustin Pop | remote_info[attr] = int(remote_info[attr])
|
5265 | d1c2dd75 | Iustin Pop | except ValueError, err: |
5266 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' returned invalid value for '%s':" |
5267 | d1c2dd75 | Iustin Pop | " %s" % (nname, attr, str(err))) |
5268 | 6286519f | Iustin Pop | # compute memory used by primary instances
|
5269 | 6286519f | Iustin Pop | i_p_mem = i_p_up_mem = 0
|
5270 | 6286519f | Iustin Pop | for iinfo in i_list: |
5271 | 6286519f | Iustin Pop | if iinfo.primary_node == nname:
|
5272 | 6286519f | Iustin Pop | i_p_mem += iinfo.memory |
5273 | 6286519f | Iustin Pop | if iinfo.status == "up": |
5274 | 6286519f | Iustin Pop | i_p_up_mem += iinfo.memory |
5275 | 6286519f | Iustin Pop | |
5276 | b2662e7f | Iustin Pop | # compute memory used by instances
|
5277 | d1c2dd75 | Iustin Pop | pnr = { |
5278 | d1c2dd75 | Iustin Pop | "tags": list(ninfo.GetTags()), |
5279 | b2662e7f | Iustin Pop | "total_memory": remote_info['memory_total'], |
5280 | b2662e7f | Iustin Pop | "reserved_memory": remote_info['memory_dom0'], |
5281 | b2662e7f | Iustin Pop | "free_memory": remote_info['memory_free'], |
5282 | 6286519f | Iustin Pop | "i_pri_memory": i_p_mem,
|
5283 | 6286519f | Iustin Pop | "i_pri_up_memory": i_p_up_mem,
|
5284 | b2662e7f | Iustin Pop | "total_disk": remote_info['vg_size'], |
5285 | b2662e7f | Iustin Pop | "free_disk": remote_info['vg_free'], |
5286 | d1c2dd75 | Iustin Pop | "primary_ip": ninfo.primary_ip,
|
5287 | d1c2dd75 | Iustin Pop | "secondary_ip": ninfo.secondary_ip,
|
5288 | 4337cf1b | Iustin Pop | "total_cpus": remote_info['cpu_total'], |
5289 | d1c2dd75 | Iustin Pop | } |
5290 | d1c2dd75 | Iustin Pop | node_results[nname] = pnr |
5291 | d1c2dd75 | Iustin Pop | data["nodes"] = node_results
|
5292 | d1c2dd75 | Iustin Pop | |
5293 | d1c2dd75 | Iustin Pop | # instance data
|
5294 | d1c2dd75 | Iustin Pop | instance_data = {} |
5295 | 6286519f | Iustin Pop | for iinfo in i_list: |
5296 | d1c2dd75 | Iustin Pop | nic_data = [{"mac": n.mac, "ip": n.ip, "bridge": n.bridge} |
5297 | d1c2dd75 | Iustin Pop | for n in iinfo.nics] |
5298 | d1c2dd75 | Iustin Pop | pir = { |
5299 | d1c2dd75 | Iustin Pop | "tags": list(iinfo.GetTags()), |
5300 | d1c2dd75 | Iustin Pop | "should_run": iinfo.status == "up", |
5301 | d1c2dd75 | Iustin Pop | "vcpus": iinfo.vcpus,
|
5302 | d1c2dd75 | Iustin Pop | "memory": iinfo.memory,
|
5303 | d1c2dd75 | Iustin Pop | "os": iinfo.os,
|
5304 | d1c2dd75 | Iustin Pop | "nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes), |
5305 | d1c2dd75 | Iustin Pop | "nics": nic_data,
|
5306 | d1c2dd75 | Iustin Pop | "disks": [{"size": dsk.size, "mode": "w"} for dsk in iinfo.disks], |
5307 | d1c2dd75 | Iustin Pop | "disk_template": iinfo.disk_template,
|
5308 | e69d05fd | Iustin Pop | "hypervisor": iinfo.hypervisor,
|
5309 | d1c2dd75 | Iustin Pop | } |
5310 | 768f0a80 | Iustin Pop | instance_data[iinfo.name] = pir |
5311 | d61df03e | Iustin Pop | |
5312 | d1c2dd75 | Iustin Pop | data["instances"] = instance_data
|
5313 | d61df03e | Iustin Pop | |
5314 | d1c2dd75 | Iustin Pop | self.in_data = data
|
5315 | d61df03e | Iustin Pop | |
5316 | d1c2dd75 | Iustin Pop | def _AddNewInstance(self): |
5317 | d1c2dd75 | Iustin Pop | """Add new instance data to allocator structure.
|
5318 | d61df03e | Iustin Pop |
|
5319 | d1c2dd75 | Iustin Pop | This in combination with _AllocatorGetClusterData will create the
|
5320 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
5321 | d61df03e | Iustin Pop |
|
5322 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
5323 | d1c2dd75 | Iustin Pop | done.
|
5324 | d61df03e | Iustin Pop |
|
5325 | d1c2dd75 | Iustin Pop | """
|
5326 | d1c2dd75 | Iustin Pop | data = self.in_data
|
5327 | d1c2dd75 | Iustin Pop | if len(self.disks) != 2: |
5328 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Only two-disk configurations supported") |
5329 | d1c2dd75 | Iustin Pop | |
5330 | d1c2dd75 | Iustin Pop | disk_space = _ComputeDiskSize(self.disk_template,
|
5331 | d1c2dd75 | Iustin Pop | self.disks[0]["size"], self.disks[1]["size"]) |
5332 | d1c2dd75 | Iustin Pop | |
5333 | 27579978 | Iustin Pop | if self.disk_template in constants.DTS_NET_MIRROR: |
5334 | 27579978 | Iustin Pop | self.required_nodes = 2 |
5335 | 27579978 | Iustin Pop | else:
|
5336 | 27579978 | Iustin Pop | self.required_nodes = 1 |
5337 | d1c2dd75 | Iustin Pop | request = { |
5338 | d1c2dd75 | Iustin Pop | "type": "allocate", |
5339 | d1c2dd75 | Iustin Pop | "name": self.name, |
5340 | d1c2dd75 | Iustin Pop | "disk_template": self.disk_template, |
5341 | d1c2dd75 | Iustin Pop | "tags": self.tags, |
5342 | d1c2dd75 | Iustin Pop | "os": self.os, |
5343 | d1c2dd75 | Iustin Pop | "vcpus": self.vcpus, |
5344 | d1c2dd75 | Iustin Pop | "memory": self.mem_size, |
5345 | d1c2dd75 | Iustin Pop | "disks": self.disks, |
5346 | d1c2dd75 | Iustin Pop | "disk_space_total": disk_space,
|
5347 | d1c2dd75 | Iustin Pop | "nics": self.nics, |
5348 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
5349 | d1c2dd75 | Iustin Pop | } |
5350 | d1c2dd75 | Iustin Pop | data["request"] = request
|
5351 | 298fe380 | Iustin Pop | |
5352 | d1c2dd75 | Iustin Pop | def _AddRelocateInstance(self): |
5353 | d1c2dd75 | Iustin Pop | """Add relocate instance data to allocator structure.
|
5354 | 298fe380 | Iustin Pop |
|
5355 | d1c2dd75 | Iustin Pop | This in combination with _IAllocatorGetClusterData will create the
|
5356 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
5357 | d61df03e | Iustin Pop |
|
5358 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
5359 | d1c2dd75 | Iustin Pop | done.
|
5360 | d61df03e | Iustin Pop |
|
5361 | d1c2dd75 | Iustin Pop | """
|
5362 | 72737a7f | Iustin Pop | instance = self.lu.cfg.GetInstanceInfo(self.name) |
5363 | 27579978 | Iustin Pop | if instance is None: |
5364 | 27579978 | Iustin Pop | raise errors.ProgrammerError("Unknown instance '%s' passed to" |
5365 | 27579978 | Iustin Pop | " IAllocator" % self.name) |
5366 | 27579978 | Iustin Pop | |
5367 | 27579978 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
5368 | 27579978 | Iustin Pop | raise errors.OpPrereqError("Can't relocate non-mirrored instances") |
5369 | 27579978 | Iustin Pop | |
5370 | 2a139bb0 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
5371 | 2a139bb0 | Iustin Pop | raise errors.OpPrereqError("Instance has not exactly one secondary node") |
5372 | 2a139bb0 | Iustin Pop | |
5373 | 27579978 | Iustin Pop | self.required_nodes = 1 |
5374 | 27579978 | Iustin Pop | |
5375 | 27579978 | Iustin Pop | disk_space = _ComputeDiskSize(instance.disk_template, |
5376 | 27579978 | Iustin Pop | instance.disks[0].size,
|
5377 | 27579978 | Iustin Pop | instance.disks[1].size)
|
5378 | 27579978 | Iustin Pop | |
5379 | d1c2dd75 | Iustin Pop | request = { |
5380 | 2a139bb0 | Iustin Pop | "type": "relocate", |
5381 | d1c2dd75 | Iustin Pop | "name": self.name, |
5382 | 27579978 | Iustin Pop | "disk_space_total": disk_space,
|
5383 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
5384 | 29859cb7 | Iustin Pop | "relocate_from": self.relocate_from, |
5385 | d1c2dd75 | Iustin Pop | } |
5386 | 27579978 | Iustin Pop | self.in_data["request"] = request |
5387 | d61df03e | Iustin Pop | |
5388 | d1c2dd75 | Iustin Pop | def _BuildInputData(self): |
5389 | d1c2dd75 | Iustin Pop | """Build input data structures.
|
5390 | d61df03e | Iustin Pop |
|
5391 | d1c2dd75 | Iustin Pop | """
|
5392 | d1c2dd75 | Iustin Pop | self._ComputeClusterData()
|
5393 | d61df03e | Iustin Pop | |
5394 | d1c2dd75 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
5395 | d1c2dd75 | Iustin Pop | self._AddNewInstance()
|
5396 | d1c2dd75 | Iustin Pop | else:
|
5397 | d1c2dd75 | Iustin Pop | self._AddRelocateInstance()
|
5398 | d61df03e | Iustin Pop | |
5399 | d1c2dd75 | Iustin Pop | self.in_text = serializer.Dump(self.in_data) |
5400 | d61df03e | Iustin Pop | |
5401 | 72737a7f | Iustin Pop | def Run(self, name, validate=True, call_fn=None): |
5402 | d1c2dd75 | Iustin Pop | """Run an instance allocator and return the results.
|
5403 | 298fe380 | Iustin Pop |
|
5404 | d1c2dd75 | Iustin Pop | """
|
5405 | 72737a7f | Iustin Pop | if call_fn is None: |
5406 | 72737a7f | Iustin Pop | call_fn = self.lu.rpc.call_iallocator_runner
|
5407 | d1c2dd75 | Iustin Pop | data = self.in_text
|
5408 | 298fe380 | Iustin Pop | |
5409 | 72737a7f | Iustin Pop | result = call_fn(self.lu.cfg.GetMasterNode(), name, self.in_text) |
5410 | 298fe380 | Iustin Pop | |
5411 | 43f5ea7a | Guido Trotter | if not isinstance(result, (list, tuple)) or len(result) != 4: |
5412 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Invalid result from master iallocator runner") |
5413 | 8d528b7c | Iustin Pop | |
5414 | 8d528b7c | Iustin Pop | rcode, stdout, stderr, fail = result |
5415 | 8d528b7c | Iustin Pop | |
5416 | 8d528b7c | Iustin Pop | if rcode == constants.IARUN_NOTFOUND:
|
5417 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Can't find allocator '%s'" % name) |
5418 | 8d528b7c | Iustin Pop | elif rcode == constants.IARUN_FAILURE:
|
5419 | 38206f3c | Iustin Pop | raise errors.OpExecError("Instance allocator call failed: %s," |
5420 | 38206f3c | Iustin Pop | " output: %s" % (fail, stdout+stderr))
|
5421 | 8d528b7c | Iustin Pop | self.out_text = stdout
|
5422 | d1c2dd75 | Iustin Pop | if validate:
|
5423 | d1c2dd75 | Iustin Pop | self._ValidateResult()
|
5424 | 298fe380 | Iustin Pop | |
5425 | d1c2dd75 | Iustin Pop | def _ValidateResult(self): |
5426 | d1c2dd75 | Iustin Pop | """Process the allocator results.
|
5427 | 538475ca | Iustin Pop |
|
5428 | d1c2dd75 | Iustin Pop | This will process and if successful save the result in
|
5429 | d1c2dd75 | Iustin Pop | self.out_data and the other parameters.
|
5430 | 538475ca | Iustin Pop |
|
5431 | d1c2dd75 | Iustin Pop | """
|
5432 | d1c2dd75 | Iustin Pop | try:
|
5433 | d1c2dd75 | Iustin Pop | rdict = serializer.Load(self.out_text)
|
5434 | d1c2dd75 | Iustin Pop | except Exception, err: |
5435 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: %s" % str(err)) |
5436 | d1c2dd75 | Iustin Pop | |
5437 | d1c2dd75 | Iustin Pop | if not isinstance(rdict, dict): |
5438 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: not a dict") |
5439 | 538475ca | Iustin Pop | |
5440 | d1c2dd75 | Iustin Pop | for key in "success", "info", "nodes": |
5441 | d1c2dd75 | Iustin Pop | if key not in rdict: |
5442 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results:" |
5443 | d1c2dd75 | Iustin Pop | " missing key '%s'" % key)
|
5444 | d1c2dd75 | Iustin Pop | setattr(self, key, rdict[key]) |
5445 | 538475ca | Iustin Pop | |
5446 | d1c2dd75 | Iustin Pop | if not isinstance(rdict["nodes"], list): |
5447 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: 'nodes' key" |
5448 | d1c2dd75 | Iustin Pop | " is not a list")
|
5449 | d1c2dd75 | Iustin Pop | self.out_data = rdict
|
5450 | 538475ca | Iustin Pop | |
5451 | 538475ca | Iustin Pop | |
5452 | d61df03e | Iustin Pop | class LUTestAllocator(NoHooksLU): |
5453 | d61df03e | Iustin Pop | """Run allocator tests.
|
5454 | d61df03e | Iustin Pop |
|
5455 | d61df03e | Iustin Pop | This LU runs the allocator tests
|
5456 | d61df03e | Iustin Pop |
|
5457 | d61df03e | Iustin Pop | """
|
5458 | d61df03e | Iustin Pop | _OP_REQP = ["direction", "mode", "name"] |
5459 | d61df03e | Iustin Pop | |
5460 | d61df03e | Iustin Pop | def CheckPrereq(self): |
5461 | d61df03e | Iustin Pop | """Check prerequisites.
|
5462 | d61df03e | Iustin Pop |
|
5463 | d61df03e | Iustin Pop | This checks the opcode parameters depending on the director and mode test.
|
5464 | d61df03e | Iustin Pop |
|
5465 | d61df03e | Iustin Pop | """
|
5466 | 298fe380 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
5467 | d61df03e | Iustin Pop | for attr in ["name", "mem_size", "disks", "disk_template", |
5468 | d61df03e | Iustin Pop | "os", "tags", "nics", "vcpus"]: |
5469 | d61df03e | Iustin Pop | if not hasattr(self.op, attr): |
5470 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute '%s' on opcode input" % |
5471 | d61df03e | Iustin Pop | attr) |
5472 | d61df03e | Iustin Pop | iname = self.cfg.ExpandInstanceName(self.op.name) |
5473 | d61df03e | Iustin Pop | if iname is not None: |
5474 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' already in the cluster" % |
5475 | d61df03e | Iustin Pop | iname) |
5476 | d61df03e | Iustin Pop | if not isinstance(self.op.nics, list): |
5477 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'nics'") |
5478 | d61df03e | Iustin Pop | for row in self.op.nics: |
5479 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
5480 | d61df03e | Iustin Pop | "mac" not in row or |
5481 | d61df03e | Iustin Pop | "ip" not in row or |
5482 | d61df03e | Iustin Pop | "bridge" not in row): |
5483 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
5484 | d61df03e | Iustin Pop | " 'nics' parameter")
|
5485 | d61df03e | Iustin Pop | if not isinstance(self.op.disks, list): |
5486 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'disks'") |
5487 | 298fe380 | Iustin Pop | if len(self.op.disks) != 2: |
5488 | 298fe380 | Iustin Pop | raise errors.OpPrereqError("Only two-disk configurations supported") |
5489 | d61df03e | Iustin Pop | for row in self.op.disks: |
5490 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
5491 | d61df03e | Iustin Pop | "size" not in row or |
5492 | d61df03e | Iustin Pop | not isinstance(row["size"], int) or |
5493 | d61df03e | Iustin Pop | "mode" not in row or |
5494 | d61df03e | Iustin Pop | row["mode"] not in ['r', 'w']): |
5495 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
5496 | d61df03e | Iustin Pop | " 'disks' parameter")
|
5497 | 298fe380 | Iustin Pop | elif self.op.mode == constants.IALLOCATOR_MODE_RELOC: |
5498 | d61df03e | Iustin Pop | if not hasattr(self.op, "name"): |
5499 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute 'name' on opcode input") |
5500 | d61df03e | Iustin Pop | fname = self.cfg.ExpandInstanceName(self.op.name) |
5501 | d61df03e | Iustin Pop | if fname is None: |
5502 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found for relocation" % |
5503 | d61df03e | Iustin Pop | self.op.name)
|
5504 | d61df03e | Iustin Pop | self.op.name = fname
|
5505 | 29859cb7 | Iustin Pop | self.relocate_from = self.cfg.GetInstanceInfo(fname).secondary_nodes |
5506 | d61df03e | Iustin Pop | else:
|
5507 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid test allocator mode '%s'" % |
5508 | d61df03e | Iustin Pop | self.op.mode)
|
5509 | d61df03e | Iustin Pop | |
5510 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_OUT: |
5511 | 298fe380 | Iustin Pop | if not hasattr(self.op, "allocator") or self.op.allocator is None: |
5512 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing allocator name") |
5513 | 298fe380 | Iustin Pop | elif self.op.direction != constants.IALLOCATOR_DIR_IN: |
5514 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Wrong allocator test '%s'" % |
5515 | d61df03e | Iustin Pop | self.op.direction)
|
5516 | d61df03e | Iustin Pop | |
5517 | d61df03e | Iustin Pop | def Exec(self, feedback_fn): |
5518 | d61df03e | Iustin Pop | """Run the allocator test.
|
5519 | d61df03e | Iustin Pop |
|
5520 | d61df03e | Iustin Pop | """
|
5521 | 29859cb7 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
5522 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
5523 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
5524 | 29859cb7 | Iustin Pop | name=self.op.name,
|
5525 | 29859cb7 | Iustin Pop | mem_size=self.op.mem_size,
|
5526 | 29859cb7 | Iustin Pop | disks=self.op.disks,
|
5527 | 29859cb7 | Iustin Pop | disk_template=self.op.disk_template,
|
5528 | 29859cb7 | Iustin Pop | os=self.op.os,
|
5529 | 29859cb7 | Iustin Pop | tags=self.op.tags,
|
5530 | 29859cb7 | Iustin Pop | nics=self.op.nics,
|
5531 | 29859cb7 | Iustin Pop | vcpus=self.op.vcpus,
|
5532 | 29859cb7 | Iustin Pop | ) |
5533 | 29859cb7 | Iustin Pop | else:
|
5534 | 72737a7f | Iustin Pop | ial = IAllocator(self,
|
5535 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
5536 | 29859cb7 | Iustin Pop | name=self.op.name,
|
5537 | 29859cb7 | Iustin Pop | relocate_from=list(self.relocate_from), |
5538 | 29859cb7 | Iustin Pop | ) |
5539 | d61df03e | Iustin Pop | |
5540 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_IN: |
5541 | d1c2dd75 | Iustin Pop | result = ial.in_text |
5542 | 298fe380 | Iustin Pop | else:
|
5543 | d1c2dd75 | Iustin Pop | ial.Run(self.op.allocator, validate=False) |
5544 | d1c2dd75 | Iustin Pop | result = ial.out_text |
5545 | 298fe380 | Iustin Pop | return result |