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2 | a8083063 | Iustin Pop | #
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3 | a8083063 | Iustin Pop | |
4 | a8083063 | Iustin Pop | # Copyright (C) 2006, 2007 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | 880478f8 | Iustin Pop | """Module implementing the master-side code."""
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23 | a8083063 | Iustin Pop | |
24 | a8083063 | Iustin Pop | # pylint: disable-msg=W0613,W0201
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25 | a8083063 | Iustin Pop | |
26 | a8083063 | Iustin Pop | import os |
27 | a8083063 | Iustin Pop | import os.path |
28 | a8083063 | Iustin Pop | import sha |
29 | a8083063 | Iustin Pop | import time |
30 | a8083063 | Iustin Pop | import tempfile |
31 | a8083063 | Iustin Pop | import re |
32 | a8083063 | Iustin Pop | import platform |
33 | a8083063 | Iustin Pop | |
34 | a8083063 | Iustin Pop | from ganeti import rpc |
35 | a8083063 | Iustin Pop | from ganeti import ssh |
36 | a8083063 | Iustin Pop | from ganeti import logger |
37 | a8083063 | Iustin Pop | from ganeti import utils |
38 | a8083063 | Iustin Pop | from ganeti import errors |
39 | a8083063 | Iustin Pop | from ganeti import hypervisor |
40 | a8083063 | Iustin Pop | from ganeti import config |
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 | a8083063 | Iustin Pop | from ganeti import ssconf |
45 | a8083063 | Iustin Pop | |
46 | 7c0d6283 | Michael Hanselmann | |
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 | a8083063 | Iustin Pop | - implement CheckPrereq which also fills in the opcode instance
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52 | a8083063 | Iustin Pop | with all the fields (even if as None)
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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 | a8083063 | Iustin Pop | - optionally redefine their run requirements (REQ_CLUSTER,
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57 | a8083063 | Iustin Pop | REQ_MASTER); note that all commands require root permissions
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58 | a8083063 | Iustin Pop |
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59 | a8083063 | Iustin Pop | """
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60 | a8083063 | Iustin Pop | HPATH = None
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61 | a8083063 | Iustin Pop | HTYPE = None
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62 | a8083063 | Iustin Pop | _OP_REQP = [] |
63 | a8083063 | Iustin Pop | REQ_CLUSTER = True
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64 | a8083063 | Iustin Pop | REQ_MASTER = True
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65 | a8083063 | Iustin Pop | |
66 | a8083063 | Iustin Pop | def __init__(self, processor, op, cfg, sstore): |
67 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
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68 | a8083063 | Iustin Pop |
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69 | a8083063 | Iustin Pop | This needs to be overriden in derived classes in order to check op
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70 | a8083063 | Iustin Pop | validity.
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71 | a8083063 | Iustin Pop |
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72 | a8083063 | Iustin Pop | """
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73 | 5bfac263 | Iustin Pop | self.proc = processor
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74 | a8083063 | Iustin Pop | self.op = op
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75 | a8083063 | Iustin Pop | self.cfg = cfg
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76 | a8083063 | Iustin Pop | self.sstore = sstore
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77 | c92b310a | Michael Hanselmann | self.__ssh = None |
78 | c92b310a | Michael Hanselmann | |
79 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
80 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
81 | a8083063 | Iustin Pop | if attr_val is None: |
82 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
83 | 3ecf6786 | Iustin Pop | attr_name) |
84 | a8083063 | Iustin Pop | if self.REQ_CLUSTER: |
85 | a8083063 | Iustin Pop | if not cfg.IsCluster(): |
86 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cluster not initialized yet," |
87 | 3ecf6786 | Iustin Pop | " use 'gnt-cluster init' first.")
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88 | a8083063 | Iustin Pop | if self.REQ_MASTER: |
89 | 880478f8 | Iustin Pop | master = sstore.GetMasterNode() |
90 | 89e1fc26 | Iustin Pop | if master != utils.HostInfo().name:
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91 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Commands must be run on the master" |
92 | 3ecf6786 | Iustin Pop | " node %s" % master)
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93 | a8083063 | Iustin Pop | |
94 | c92b310a | Michael Hanselmann | def __GetSSH(self): |
95 | c92b310a | Michael Hanselmann | """Returns the SshRunner object
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96 | c92b310a | Michael Hanselmann |
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97 | c92b310a | Michael Hanselmann | """
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98 | c92b310a | Michael Hanselmann | if not self.__ssh: |
99 | c92b310a | Michael Hanselmann | self.__ssh = ssh.SshRunner()
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100 | c92b310a | Michael Hanselmann | return self.__ssh |
101 | c92b310a | Michael Hanselmann | |
102 | c92b310a | Michael Hanselmann | ssh = property(fget=__GetSSH)
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103 | c92b310a | Michael Hanselmann | |
104 | a8083063 | Iustin Pop | def CheckPrereq(self): |
105 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
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106 | a8083063 | Iustin Pop |
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107 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
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108 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
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109 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
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110 | a8083063 | Iustin Pop | allowed.
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111 | a8083063 | Iustin Pop |
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112 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
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113 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
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114 | a8083063 | Iustin Pop |
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115 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
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116 | a8083063 | Iustin Pop | their canonical form; e.g. a short node name must be fully
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117 | a8083063 | Iustin Pop | expanded after this method has successfully completed (so that
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118 | a8083063 | Iustin Pop | hooks, logging, etc. work correctly).
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119 | a8083063 | Iustin Pop |
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120 | a8083063 | Iustin Pop | """
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121 | a8083063 | Iustin Pop | raise NotImplementedError |
122 | a8083063 | Iustin Pop | |
123 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
124 | a8083063 | Iustin Pop | """Execute the LU.
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125 | a8083063 | Iustin Pop |
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126 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
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127 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
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128 | a8083063 | Iustin Pop | code, or expected.
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129 | a8083063 | Iustin Pop |
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130 | a8083063 | Iustin Pop | """
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131 | a8083063 | Iustin Pop | raise NotImplementedError |
132 | a8083063 | Iustin Pop | |
133 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
134 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
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135 | a8083063 | Iustin Pop |
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136 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
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137 | a8083063 | Iustin Pop | containing the environment that will be used for running the
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138 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
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139 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
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140 | a8083063 | Iustin Pop | the hook should run after the execution.
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141 | a8083063 | Iustin Pop |
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142 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
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143 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
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144 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
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145 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
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146 | a8083063 | Iustin Pop |
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147 | a8083063 | Iustin Pop | As for the node lists, the master should not be included in the
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148 | a8083063 | Iustin Pop | them, as it will be added by the hooks runner in case this LU
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149 | a8083063 | Iustin Pop | requires a cluster to run on (otherwise we don't have a node
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150 | a8083063 | Iustin Pop | list). No nodes should be returned as an empty list (and not
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151 | a8083063 | Iustin Pop | None).
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152 | a8083063 | Iustin Pop |
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153 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
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154 | a8083063 | Iustin Pop | not be called.
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155 | a8083063 | Iustin Pop |
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156 | a8083063 | Iustin Pop | """
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157 | a8083063 | Iustin Pop | raise NotImplementedError |
158 | a8083063 | Iustin Pop | |
159 | a8083063 | Iustin Pop | |
160 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
161 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
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162 | a8083063 | Iustin Pop |
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163 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
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164 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
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165 | a8083063 | Iustin Pop |
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166 | a8083063 | Iustin Pop | """
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167 | a8083063 | Iustin Pop | HPATH = None
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168 | a8083063 | Iustin Pop | HTYPE = None
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169 | a8083063 | Iustin Pop | |
170 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
171 | a8083063 | Iustin Pop | """Build hooks env.
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172 | a8083063 | Iustin Pop |
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173 | a8083063 | Iustin Pop | This is a no-op, since we don't run hooks.
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174 | a8083063 | Iustin Pop |
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175 | a8083063 | Iustin Pop | """
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176 | 0e137c28 | Iustin Pop | return {}, [], []
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177 | a8083063 | Iustin Pop | |
178 | a8083063 | Iustin Pop | |
179 | 9440aeab | Michael Hanselmann | def _AddHostToEtcHosts(hostname): |
180 | 9440aeab | Michael Hanselmann | """Wrapper around utils.SetEtcHostsEntry.
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181 | 9440aeab | Michael Hanselmann |
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182 | 9440aeab | Michael Hanselmann | """
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183 | 9440aeab | Michael Hanselmann | hi = utils.HostInfo(name=hostname) |
184 | 9440aeab | Michael Hanselmann | utils.SetEtcHostsEntry(constants.ETC_HOSTS, hi.ip, hi.name, [hi.ShortName()]) |
185 | 9440aeab | Michael Hanselmann | |
186 | 9440aeab | Michael Hanselmann | |
187 | c8a0948f | Michael Hanselmann | def _RemoveHostFromEtcHosts(hostname): |
188 | 9440aeab | Michael Hanselmann | """Wrapper around utils.RemoveEtcHostsEntry.
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189 | c8a0948f | Michael Hanselmann |
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190 | c8a0948f | Michael Hanselmann | """
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191 | c8a0948f | Michael Hanselmann | hi = utils.HostInfo(name=hostname) |
192 | c8a0948f | Michael Hanselmann | utils.RemoveEtcHostsEntry(constants.ETC_HOSTS, hi.name) |
193 | c8a0948f | Michael Hanselmann | utils.RemoveEtcHostsEntry(constants.ETC_HOSTS, hi.ShortName()) |
194 | c8a0948f | Michael Hanselmann | |
195 | c8a0948f | Michael Hanselmann | |
196 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
197 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
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198 | 83120a01 | Michael Hanselmann |
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199 | 83120a01 | Michael Hanselmann | Args:
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200 | 83120a01 | Michael Hanselmann | nodes: List of nodes (strings) or None for all
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201 | 83120a01 | Michael Hanselmann |
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202 | 83120a01 | Michael Hanselmann | """
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203 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
204 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
205 | dcb93971 | Michael Hanselmann | |
206 | dcb93971 | Michael Hanselmann | if nodes:
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207 | 3312b702 | Iustin Pop | wanted = [] |
208 | dcb93971 | Michael Hanselmann | |
209 | dcb93971 | Michael Hanselmann | for name in nodes: |
210 | a7ba5e53 | Iustin Pop | node = lu.cfg.ExpandNodeName(name) |
211 | dcb93971 | Michael Hanselmann | if node is None: |
212 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such node name '%s'" % name) |
213 | 3312b702 | Iustin Pop | wanted.append(node) |
214 | dcb93971 | Michael Hanselmann | |
215 | dcb93971 | Michael Hanselmann | else:
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216 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetNodeList() |
217 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
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218 | 3312b702 | Iustin Pop | |
219 | 3312b702 | Iustin Pop | |
220 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
221 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
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222 | 3312b702 | Iustin Pop |
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223 | 3312b702 | Iustin Pop | Args:
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224 | 3312b702 | Iustin Pop | instances: List of instances (strings) or None for all
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225 | 3312b702 | Iustin Pop |
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226 | 3312b702 | Iustin Pop | """
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227 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
228 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
229 | 3312b702 | Iustin Pop | |
230 | 3312b702 | Iustin Pop | if instances:
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231 | 3312b702 | Iustin Pop | wanted = [] |
232 | 3312b702 | Iustin Pop | |
233 | 3312b702 | Iustin Pop | for name in instances: |
234 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
235 | 3312b702 | Iustin Pop | if instance is None: |
236 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
237 | 3312b702 | Iustin Pop | wanted.append(instance) |
238 | 3312b702 | Iustin Pop | |
239 | 3312b702 | Iustin Pop | else:
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240 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetInstanceList() |
241 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
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242 | dcb93971 | Michael Hanselmann | |
243 | dcb93971 | Michael Hanselmann | |
244 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
245 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
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246 | 83120a01 | Michael Hanselmann |
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247 | 83120a01 | Michael Hanselmann | Args:
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248 | 83120a01 | Michael Hanselmann | static: Static fields
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249 | 83120a01 | Michael Hanselmann | dynamic: Dynamic fields
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250 | 83120a01 | Michael Hanselmann |
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251 | 83120a01 | Michael Hanselmann | """
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252 | 83120a01 | Michael Hanselmann | static_fields = frozenset(static)
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253 | 83120a01 | Michael Hanselmann | dynamic_fields = frozenset(dynamic)
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254 | dcb93971 | Michael Hanselmann | |
255 | 83120a01 | Michael Hanselmann | all_fields = static_fields | dynamic_fields |
256 | dcb93971 | Michael Hanselmann | |
257 | 83120a01 | Michael Hanselmann | if not all_fields.issuperset(selected): |
258 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
259 | 3ecf6786 | Iustin Pop | % ",".join(frozenset(selected). |
260 | 3ecf6786 | Iustin Pop | difference(all_fields))) |
261 | dcb93971 | Michael Hanselmann | |
262 | dcb93971 | Michael Hanselmann | |
263 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
264 | 396e1b78 | Michael Hanselmann | memory, vcpus, nics): |
265 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from single variables.
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266 | ecb215b5 | Michael Hanselmann |
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267 | ecb215b5 | Michael Hanselmann | Args:
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268 | ecb215b5 | Michael Hanselmann | secondary_nodes: List of secondary nodes as strings
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269 | 396e1b78 | Michael Hanselmann | """
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270 | 396e1b78 | Michael Hanselmann | env = { |
271 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
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272 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
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273 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
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274 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
275 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
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276 | 396e1b78 | Michael Hanselmann | "INSTANCE_STATUS": status,
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277 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
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278 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
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279 | 396e1b78 | Michael Hanselmann | } |
280 | 396e1b78 | Michael Hanselmann | |
281 | 396e1b78 | Michael Hanselmann | if nics:
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282 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
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283 | 53e4e875 | Guido Trotter | for idx, (ip, bridge, mac) in enumerate(nics): |
284 | 396e1b78 | Michael Hanselmann | if ip is None: |
285 | 396e1b78 | Michael Hanselmann | ip = ""
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286 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
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287 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_BRIDGE" % idx] = bridge
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288 | 53e4e875 | Guido Trotter | env["INSTANCE_NIC%d_HWADDR" % idx] = mac
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289 | 396e1b78 | Michael Hanselmann | else:
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290 | 396e1b78 | Michael Hanselmann | nic_count = 0
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291 | 396e1b78 | Michael Hanselmann | |
292 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
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293 | 396e1b78 | Michael Hanselmann | |
294 | 396e1b78 | Michael Hanselmann | return env
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295 | 396e1b78 | Michael Hanselmann | |
296 | 396e1b78 | Michael Hanselmann | |
297 | 396e1b78 | Michael Hanselmann | def _BuildInstanceHookEnvByObject(instance, override=None): |
298 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
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299 | ecb215b5 | Michael Hanselmann |
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300 | ecb215b5 | Michael Hanselmann | Args:
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301 | ecb215b5 | Michael Hanselmann | instance: objects.Instance object of instance
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302 | ecb215b5 | Michael Hanselmann | override: dict of values to override
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303 | ecb215b5 | Michael Hanselmann | """
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304 | 396e1b78 | Michael Hanselmann | args = { |
305 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
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306 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
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307 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
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308 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
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309 | 396e1b78 | Michael Hanselmann | 'status': instance.os,
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310 | 396e1b78 | Michael Hanselmann | 'memory': instance.memory,
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311 | 396e1b78 | Michael Hanselmann | 'vcpus': instance.vcpus,
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312 | 53e4e875 | Guido Trotter | 'nics': [(nic.ip, nic.bridge, nic.mac) for nic in instance.nics], |
313 | 396e1b78 | Michael Hanselmann | } |
314 | 396e1b78 | Michael Hanselmann | if override:
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315 | 396e1b78 | Michael Hanselmann | args.update(override) |
316 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
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317 | 396e1b78 | Michael Hanselmann | |
318 | 396e1b78 | Michael Hanselmann | |
319 | a8083063 | Iustin Pop | def _UpdateKnownHosts(fullnode, ip, pubkey): |
320 | a8083063 | Iustin Pop | """Ensure a node has a correct known_hosts entry.
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321 | a8083063 | Iustin Pop |
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322 | a8083063 | Iustin Pop | Args:
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323 | a8083063 | Iustin Pop | fullnode - Fully qualified domain name of host. (str)
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324 | a8083063 | Iustin Pop | ip - IPv4 address of host (str)
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325 | a8083063 | Iustin Pop | pubkey - the public key of the cluster
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326 | a8083063 | Iustin Pop |
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327 | a8083063 | Iustin Pop | """
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328 | 82122173 | Iustin Pop | if os.path.exists(constants.SSH_KNOWN_HOSTS_FILE):
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329 | 82122173 | Iustin Pop | f = open(constants.SSH_KNOWN_HOSTS_FILE, 'r+') |
330 | a8083063 | Iustin Pop | else:
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331 | 82122173 | Iustin Pop | f = open(constants.SSH_KNOWN_HOSTS_FILE, 'w+') |
332 | a8083063 | Iustin Pop | |
333 | a8083063 | Iustin Pop | inthere = False
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334 | a8083063 | Iustin Pop | |
335 | a8083063 | Iustin Pop | save_lines = [] |
336 | a8083063 | Iustin Pop | add_lines = [] |
337 | a8083063 | Iustin Pop | removed = False
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338 | a8083063 | Iustin Pop | |
339 | 4cc2a728 | Michael Hanselmann | for rawline in f: |
340 | a8083063 | Iustin Pop | logger.Debug('read %s' % (repr(rawline),)) |
341 | a8083063 | Iustin Pop | |
342 | 4cc2a728 | Michael Hanselmann | parts = rawline.rstrip('\r\n').split()
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343 | 4cc2a728 | Michael Hanselmann | |
344 | 4cc2a728 | Michael Hanselmann | # Ignore unwanted lines
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345 | 4cc2a728 | Michael Hanselmann | if len(parts) >= 3 and not rawline.lstrip()[0] == '#': |
346 | 4cc2a728 | Michael Hanselmann | fields = parts[0].split(',') |
347 | 4cc2a728 | Michael Hanselmann | key = parts[2]
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348 | 4cc2a728 | Michael Hanselmann | |
349 | 4cc2a728 | Michael Hanselmann | haveall = True
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350 | 4cc2a728 | Michael Hanselmann | havesome = False
|
351 | 4cc2a728 | Michael Hanselmann | for spec in [ ip, fullnode ]: |
352 | 4cc2a728 | Michael Hanselmann | if spec not in fields: |
353 | 4cc2a728 | Michael Hanselmann | haveall = False
|
354 | 4cc2a728 | Michael Hanselmann | if spec in fields: |
355 | 4cc2a728 | Michael Hanselmann | havesome = True
|
356 | 4cc2a728 | Michael Hanselmann | |
357 | 4cc2a728 | Michael Hanselmann | logger.Debug("key, pubkey = %s." % (repr((key, pubkey)),)) |
358 | 4cc2a728 | Michael Hanselmann | if haveall and key == pubkey: |
359 | 4cc2a728 | Michael Hanselmann | inthere = True
|
360 | 4cc2a728 | Michael Hanselmann | save_lines.append(rawline) |
361 | 4cc2a728 | Michael Hanselmann | logger.Debug("Keeping known_hosts '%s'." % (repr(rawline),)) |
362 | 4cc2a728 | Michael Hanselmann | continue
|
363 | 4cc2a728 | Michael Hanselmann | |
364 | 4cc2a728 | Michael Hanselmann | if havesome and (not haveall or key != pubkey): |
365 | 4cc2a728 | Michael Hanselmann | removed = True
|
366 | 4cc2a728 | Michael Hanselmann | logger.Debug("Discarding known_hosts '%s'." % (repr(rawline),)) |
367 | 4cc2a728 | Michael Hanselmann | continue
|
368 | a8083063 | Iustin Pop | |
369 | a8083063 | Iustin Pop | save_lines.append(rawline) |
370 | a8083063 | Iustin Pop | |
371 | a8083063 | Iustin Pop | if not inthere: |
372 | a8083063 | Iustin Pop | add_lines.append('%s,%s ssh-rsa %s\n' % (fullnode, ip, pubkey))
|
373 | a8083063 | Iustin Pop | logger.Debug("Adding known_hosts '%s'." % (repr(add_lines[-1]),)) |
374 | a8083063 | Iustin Pop | |
375 | a8083063 | Iustin Pop | if removed:
|
376 | a8083063 | Iustin Pop | save_lines = save_lines + add_lines |
377 | a8083063 | Iustin Pop | |
378 | a8083063 | Iustin Pop | # Write a new file and replace old.
|
379 | 82122173 | Iustin Pop | fd, tmpname = tempfile.mkstemp('.tmp', 'known_hosts.', |
380 | 82122173 | Iustin Pop | constants.DATA_DIR) |
381 | a8083063 | Iustin Pop | newfile = os.fdopen(fd, 'w')
|
382 | 82122173 | Iustin Pop | try:
|
383 | 82122173 | Iustin Pop | newfile.write(''.join(save_lines))
|
384 | 82122173 | Iustin Pop | finally:
|
385 | 82122173 | Iustin Pop | newfile.close() |
386 | a8083063 | Iustin Pop | logger.Debug("Wrote new known_hosts.")
|
387 | 82122173 | Iustin Pop | os.rename(tmpname, constants.SSH_KNOWN_HOSTS_FILE) |
388 | a8083063 | Iustin Pop | |
389 | a8083063 | Iustin Pop | elif add_lines:
|
390 | a8083063 | Iustin Pop | # Simply appending a new line will do the trick.
|
391 | a8083063 | Iustin Pop | f.seek(0, 2) |
392 | a8083063 | Iustin Pop | for add in add_lines: |
393 | a8083063 | Iustin Pop | f.write(add) |
394 | a8083063 | Iustin Pop | |
395 | a8083063 | Iustin Pop | f.close() |
396 | a8083063 | Iustin Pop | |
397 | a8083063 | Iustin Pop | |
398 | a8083063 | Iustin Pop | def _HasValidVG(vglist, vgname): |
399 | a8083063 | Iustin Pop | """Checks if the volume group list is valid.
|
400 | a8083063 | Iustin Pop |
|
401 | a8083063 | Iustin Pop | A non-None return value means there's an error, and the return value
|
402 | a8083063 | Iustin Pop | is the error message.
|
403 | a8083063 | Iustin Pop |
|
404 | a8083063 | Iustin Pop | """
|
405 | a8083063 | Iustin Pop | vgsize = vglist.get(vgname, None)
|
406 | a8083063 | Iustin Pop | if vgsize is None: |
407 | a8083063 | Iustin Pop | return "volume group '%s' missing" % vgname |
408 | a8083063 | Iustin Pop | elif vgsize < 20480: |
409 | 191a8385 | Guido Trotter | return ("volume group '%s' too small (20480MiB required, %dMib found)" % |
410 | 191a8385 | Guido Trotter | (vgname, vgsize)) |
411 | a8083063 | Iustin Pop | return None |
412 | a8083063 | Iustin Pop | |
413 | a8083063 | Iustin Pop | |
414 | a8083063 | Iustin Pop | def _InitSSHSetup(node): |
415 | a8083063 | Iustin Pop | """Setup the SSH configuration for the cluster.
|
416 | a8083063 | Iustin Pop |
|
417 | a8083063 | Iustin Pop |
|
418 | a8083063 | Iustin Pop | This generates a dsa keypair for root, adds the pub key to the
|
419 | a8083063 | Iustin Pop | permitted hosts and adds the hostkey to its own known hosts.
|
420 | a8083063 | Iustin Pop |
|
421 | a8083063 | Iustin Pop | Args:
|
422 | a8083063 | Iustin Pop | node: the name of this host as a fqdn
|
423 | a8083063 | Iustin Pop |
|
424 | a8083063 | Iustin Pop | """
|
425 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, auth_keys = ssh.GetUserFiles(constants.GANETI_RUNAS) |
426 | a8083063 | Iustin Pop | |
427 | 70d9e3d8 | Iustin Pop | for name in priv_key, pub_key: |
428 | 70d9e3d8 | Iustin Pop | if os.path.exists(name):
|
429 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(name) |
430 | 70d9e3d8 | Iustin Pop | utils.RemoveFile(name) |
431 | a8083063 | Iustin Pop | |
432 | a8083063 | Iustin Pop | result = utils.RunCmd(["ssh-keygen", "-t", "dsa", |
433 | 70d9e3d8 | Iustin Pop | "-f", priv_key,
|
434 | a8083063 | Iustin Pop | "-q", "-N", ""]) |
435 | a8083063 | Iustin Pop | if result.failed:
|
436 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not generate ssh keypair, error %s" % |
437 | 3ecf6786 | Iustin Pop | result.output) |
438 | a8083063 | Iustin Pop | |
439 | 70d9e3d8 | Iustin Pop | f = open(pub_key, 'r') |
440 | a8083063 | Iustin Pop | try:
|
441 | 70d9e3d8 | Iustin Pop | utils.AddAuthorizedKey(auth_keys, f.read(8192))
|
442 | a8083063 | Iustin Pop | finally:
|
443 | a8083063 | Iustin Pop | f.close() |
444 | a8083063 | Iustin Pop | |
445 | a8083063 | Iustin Pop | |
446 | a8083063 | Iustin Pop | def _InitGanetiServerSetup(ss): |
447 | a8083063 | Iustin Pop | """Setup the necessary configuration for the initial node daemon.
|
448 | a8083063 | Iustin Pop |
|
449 | a8083063 | Iustin Pop | This creates the nodepass file containing the shared password for
|
450 | a8083063 | Iustin Pop | the cluster and also generates the SSL certificate.
|
451 | a8083063 | Iustin Pop |
|
452 | a8083063 | Iustin Pop | """
|
453 | a8083063 | Iustin Pop | # Create pseudo random password
|
454 | a8083063 | Iustin Pop | randpass = sha.new(os.urandom(64)).hexdigest()
|
455 | a8083063 | Iustin Pop | # and write it into sstore
|
456 | a8083063 | Iustin Pop | ss.SetKey(ss.SS_NODED_PASS, randpass) |
457 | a8083063 | Iustin Pop | |
458 | a8083063 | Iustin Pop | result = utils.RunCmd(["openssl", "req", "-new", "-newkey", "rsa:1024", |
459 | a8083063 | Iustin Pop | "-days", str(365*5), "-nodes", "-x509", |
460 | a8083063 | Iustin Pop | "-keyout", constants.SSL_CERT_FILE,
|
461 | a8083063 | Iustin Pop | "-out", constants.SSL_CERT_FILE, "-batch"]) |
462 | a8083063 | Iustin Pop | if result.failed:
|
463 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not generate server ssl cert, command" |
464 | 3ecf6786 | Iustin Pop | " %s had exitcode %s and error message %s" %
|
465 | 3ecf6786 | Iustin Pop | (result.cmd, result.exit_code, result.output)) |
466 | a8083063 | Iustin Pop | |
467 | a8083063 | Iustin Pop | os.chmod(constants.SSL_CERT_FILE, 0400)
|
468 | a8083063 | Iustin Pop | |
469 | a8083063 | Iustin Pop | result = utils.RunCmd([constants.NODE_INITD_SCRIPT, "restart"])
|
470 | a8083063 | Iustin Pop | |
471 | a8083063 | Iustin Pop | if result.failed:
|
472 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start the node daemon, command %s" |
473 | 3ecf6786 | Iustin Pop | " had exitcode %s and error %s" %
|
474 | 3ecf6786 | Iustin Pop | (result.cmd, result.exit_code, result.output)) |
475 | a8083063 | Iustin Pop | |
476 | a8083063 | Iustin Pop | |
477 | bf6929a2 | Alexander Schreiber | def _CheckInstanceBridgesExist(instance): |
478 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
479 | bf6929a2 | Alexander Schreiber |
|
480 | bf6929a2 | Alexander Schreiber | """
|
481 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
482 | bf6929a2 | Alexander Schreiber | brlist = [nic.bridge for nic in instance.nics] |
483 | bf6929a2 | Alexander Schreiber | if not rpc.call_bridges_exist(instance.primary_node, brlist): |
484 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("one or more target bridges %s does not" |
485 | bf6929a2 | Alexander Schreiber | " exist on destination node '%s'" %
|
486 | bf6929a2 | Alexander Schreiber | (brlist, instance.primary_node)) |
487 | bf6929a2 | Alexander Schreiber | |
488 | bf6929a2 | Alexander Schreiber | |
489 | a8083063 | Iustin Pop | class LUInitCluster(LogicalUnit): |
490 | a8083063 | Iustin Pop | """Initialise the cluster.
|
491 | a8083063 | Iustin Pop |
|
492 | a8083063 | Iustin Pop | """
|
493 | a8083063 | Iustin Pop | HPATH = "cluster-init"
|
494 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
495 | a8083063 | Iustin Pop | _OP_REQP = ["cluster_name", "hypervisor_type", "vg_name", "mac_prefix", |
496 | 880478f8 | Iustin Pop | "def_bridge", "master_netdev"] |
497 | a8083063 | Iustin Pop | REQ_CLUSTER = False
|
498 | a8083063 | Iustin Pop | |
499 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
500 | a8083063 | Iustin Pop | """Build hooks env.
|
501 | a8083063 | Iustin Pop |
|
502 | a8083063 | Iustin Pop | Notes: Since we don't require a cluster, we must manually add
|
503 | a8083063 | Iustin Pop | ourselves in the post-run node list.
|
504 | a8083063 | Iustin Pop |
|
505 | a8083063 | Iustin Pop | """
|
506 | 0e137c28 | Iustin Pop | env = {"OP_TARGET": self.op.cluster_name} |
507 | 0e137c28 | Iustin Pop | return env, [], [self.hostname.name] |
508 | a8083063 | Iustin Pop | |
509 | a8083063 | Iustin Pop | def CheckPrereq(self): |
510 | a8083063 | Iustin Pop | """Verify that the passed name is a valid one.
|
511 | a8083063 | Iustin Pop |
|
512 | a8083063 | Iustin Pop | """
|
513 | a8083063 | Iustin Pop | if config.ConfigWriter.IsCluster():
|
514 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cluster is already initialised") |
515 | a8083063 | Iustin Pop | |
516 | 2a6469d5 | Alexander Schreiber | if self.op.hypervisor_type == constants.HT_XEN_HVM31: |
517 | 2a6469d5 | Alexander Schreiber | if not os.path.exists(constants.VNC_PASSWORD_FILE): |
518 | 2a6469d5 | Alexander Schreiber | raise errors.OpPrereqError("Please prepare the cluster VNC" |
519 | 2a6469d5 | Alexander Schreiber | "password file %s" %
|
520 | 2a6469d5 | Alexander Schreiber | constants.VNC_PASSWORD_FILE) |
521 | 2a6469d5 | Alexander Schreiber | |
522 | 89e1fc26 | Iustin Pop | self.hostname = hostname = utils.HostInfo()
|
523 | ff98055b | Iustin Pop | |
524 | bcf043c9 | Iustin Pop | if hostname.ip.startswith("127."): |
525 | 130e907e | Iustin Pop | raise errors.OpPrereqError("This host's IP resolves to the private" |
526 | 107711b0 | Michael Hanselmann | " range (%s). Please fix DNS or %s." %
|
527 | 107711b0 | Michael Hanselmann | (hostname.ip, constants.ETC_HOSTS)) |
528 | 130e907e | Iustin Pop | |
529 | b15d625f | Iustin Pop | if not utils.TcpPing(hostname.ip, constants.DEFAULT_NODED_PORT, |
530 | b15d625f | Iustin Pop | source=constants.LOCALHOST_IP_ADDRESS): |
531 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Inconsistency: this host's name resolves" |
532 | 3ecf6786 | Iustin Pop | " to %s,\nbut this ip address does not"
|
533 | 3ecf6786 | Iustin Pop | " belong to this host."
|
534 | bcf043c9 | Iustin Pop | " Aborting." % hostname.ip)
|
535 | a8083063 | Iustin Pop | |
536 | 411f8ad0 | Iustin Pop | self.clustername = clustername = utils.HostInfo(self.op.cluster_name) |
537 | 411f8ad0 | Iustin Pop | |
538 | 411f8ad0 | Iustin Pop | if utils.TcpPing(clustername.ip, constants.DEFAULT_NODED_PORT,
|
539 | 411f8ad0 | Iustin Pop | timeout=5):
|
540 | 411f8ad0 | Iustin Pop | raise errors.OpPrereqError("Cluster IP already active. Aborting.") |
541 | 411f8ad0 | Iustin Pop | |
542 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
543 | a8083063 | Iustin Pop | if secondary_ip and not utils.IsValidIP(secondary_ip): |
544 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary ip given") |
545 | 16abfbc2 | Alexander Schreiber | if (secondary_ip and |
546 | 16abfbc2 | Alexander Schreiber | secondary_ip != hostname.ip and
|
547 | b15d625f | Iustin Pop | (not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT,
|
548 | b15d625f | Iustin Pop | source=constants.LOCALHOST_IP_ADDRESS))): |
549 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("You gave %s as secondary IP," |
550 | f4bc1f2c | Michael Hanselmann | " but it does not belong to this host." %
|
551 | 16abfbc2 | Alexander Schreiber | secondary_ip) |
552 | a8083063 | Iustin Pop | self.secondary_ip = secondary_ip
|
553 | a8083063 | Iustin Pop | |
554 | a8083063 | Iustin Pop | # checks presence of the volume group given
|
555 | a8083063 | Iustin Pop | vgstatus = _HasValidVG(utils.ListVolumeGroups(), self.op.vg_name)
|
556 | a8083063 | Iustin Pop | |
557 | a8083063 | Iustin Pop | if vgstatus:
|
558 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Error: %s" % vgstatus) |
559 | a8083063 | Iustin Pop | |
560 | a8083063 | Iustin Pop | if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", |
561 | a8083063 | Iustin Pop | self.op.mac_prefix):
|
562 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid mac prefix given '%s'" % |
563 | 3ecf6786 | Iustin Pop | self.op.mac_prefix)
|
564 | a8083063 | Iustin Pop | |
565 | 2584d4a4 | Alexander Schreiber | if self.op.hypervisor_type not in constants.HYPER_TYPES: |
566 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid hypervisor type given '%s'" % |
567 | 3ecf6786 | Iustin Pop | self.op.hypervisor_type)
|
568 | a8083063 | Iustin Pop | |
569 | 880478f8 | Iustin Pop | result = utils.RunCmd(["ip", "link", "show", "dev", self.op.master_netdev]) |
570 | 880478f8 | Iustin Pop | if result.failed:
|
571 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid master netdev given (%s): '%s'" % |
572 | 8925faaa | Iustin Pop | (self.op.master_netdev,
|
573 | 8925faaa | Iustin Pop | result.output.strip())) |
574 | 880478f8 | Iustin Pop | |
575 | 7dd30006 | Michael Hanselmann | if not (os.path.isfile(constants.NODE_INITD_SCRIPT) and |
576 | 7dd30006 | Michael Hanselmann | os.access(constants.NODE_INITD_SCRIPT, os.X_OK)): |
577 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Init.d script '%s' missing or not" |
578 | f4bc1f2c | Michael Hanselmann | " executable." % constants.NODE_INITD_SCRIPT)
|
579 | c7b46d59 | Iustin Pop | |
580 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
581 | a8083063 | Iustin Pop | """Initialize the cluster.
|
582 | a8083063 | Iustin Pop |
|
583 | a8083063 | Iustin Pop | """
|
584 | a8083063 | Iustin Pop | clustername = self.clustername
|
585 | a8083063 | Iustin Pop | hostname = self.hostname
|
586 | a8083063 | Iustin Pop | |
587 | a8083063 | Iustin Pop | # set up the simple store
|
588 | 4167825b | Iustin Pop | self.sstore = ss = ssconf.SimpleStore()
|
589 | a8083063 | Iustin Pop | ss.SetKey(ss.SS_HYPERVISOR, self.op.hypervisor_type)
|
590 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NODE, hostname.name) |
591 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, clustername.ip) |
592 | 880478f8 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NETDEV, self.op.master_netdev)
|
593 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername.name) |
594 | a8083063 | Iustin Pop | |
595 | a8083063 | Iustin Pop | # set up the inter-node password and certificate
|
596 | a8083063 | Iustin Pop | _InitGanetiServerSetup(ss) |
597 | a8083063 | Iustin Pop | |
598 | a8083063 | Iustin Pop | # start the master ip
|
599 | bcf043c9 | Iustin Pop | rpc.call_node_start_master(hostname.name) |
600 | a8083063 | Iustin Pop | |
601 | a8083063 | Iustin Pop | # set up ssh config and /etc/hosts
|
602 | 70d9e3d8 | Iustin Pop | f = open(constants.SSH_HOST_RSA_PUB, 'r') |
603 | a8083063 | Iustin Pop | try:
|
604 | a8083063 | Iustin Pop | sshline = f.read() |
605 | a8083063 | Iustin Pop | finally:
|
606 | a8083063 | Iustin Pop | f.close() |
607 | a8083063 | Iustin Pop | sshkey = sshline.split(" ")[1] |
608 | a8083063 | Iustin Pop | |
609 | 9440aeab | Michael Hanselmann | _AddHostToEtcHosts(hostname.name) |
610 | a8083063 | Iustin Pop | |
611 | bcf043c9 | Iustin Pop | _UpdateKnownHosts(hostname.name, hostname.ip, sshkey) |
612 | a8083063 | Iustin Pop | |
613 | bcf043c9 | Iustin Pop | _InitSSHSetup(hostname.name) |
614 | a8083063 | Iustin Pop | |
615 | a8083063 | Iustin Pop | # init of cluster config file
|
616 | 4167825b | Iustin Pop | self.cfg = cfgw = config.ConfigWriter()
|
617 | bcf043c9 | Iustin Pop | cfgw.InitConfig(hostname.name, hostname.ip, self.secondary_ip,
|
618 | 5fcdc80d | Iustin Pop | sshkey, self.op.mac_prefix,
|
619 | a8083063 | Iustin Pop | self.op.vg_name, self.op.def_bridge) |
620 | a8083063 | Iustin Pop | |
621 | a8083063 | Iustin Pop | |
622 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
623 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
624 | a8083063 | Iustin Pop |
|
625 | a8083063 | Iustin Pop | """
|
626 | a8083063 | Iustin Pop | _OP_REQP = [] |
627 | a8083063 | Iustin Pop | |
628 | a8083063 | Iustin Pop | def CheckPrereq(self): |
629 | a8083063 | Iustin Pop | """Check prerequisites.
|
630 | a8083063 | Iustin Pop |
|
631 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
632 | a8083063 | Iustin Pop |
|
633 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
634 | a8083063 | Iustin Pop |
|
635 | a8083063 | Iustin Pop | """
|
636 | 880478f8 | Iustin Pop | master = self.sstore.GetMasterNode()
|
637 | a8083063 | Iustin Pop | |
638 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
639 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
640 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
641 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
642 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
643 | db915bd1 | Michael Hanselmann | if instancelist:
|
644 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
645 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
646 | a8083063 | Iustin Pop | |
647 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
648 | a8083063 | Iustin Pop | """Destroys the cluster.
|
649 | a8083063 | Iustin Pop |
|
650 | a8083063 | Iustin Pop | """
|
651 | c8a0948f | Michael Hanselmann | master = self.sstore.GetMasterNode()
|
652 | c9064964 | Iustin Pop | if not rpc.call_node_stop_master(master): |
653 | c9064964 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
654 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
655 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(priv_key) |
656 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(pub_key) |
657 | c8a0948f | Michael Hanselmann | rpc.call_node_leave_cluster(master) |
658 | a8083063 | Iustin Pop | |
659 | a8083063 | Iustin Pop | |
660 | a8083063 | Iustin Pop | class LUVerifyCluster(NoHooksLU): |
661 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
662 | a8083063 | Iustin Pop |
|
663 | a8083063 | Iustin Pop | """
|
664 | a8083063 | Iustin Pop | _OP_REQP = [] |
665 | a8083063 | Iustin Pop | |
666 | a8083063 | Iustin Pop | def _VerifyNode(self, node, file_list, local_cksum, vglist, node_result, |
667 | a8083063 | Iustin Pop | remote_version, feedback_fn): |
668 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
669 | a8083063 | Iustin Pop |
|
670 | a8083063 | Iustin Pop | Test list:
|
671 | a8083063 | Iustin Pop | - compares ganeti version
|
672 | a8083063 | Iustin Pop | - checks vg existance and size > 20G
|
673 | a8083063 | Iustin Pop | - checks config file checksum
|
674 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
675 | a8083063 | Iustin Pop |
|
676 | a8083063 | Iustin Pop | Args:
|
677 | a8083063 | Iustin Pop | node: name of the node to check
|
678 | a8083063 | Iustin Pop | file_list: required list of files
|
679 | a8083063 | Iustin Pop | local_cksum: dictionary of local files and their checksums
|
680 | 098c0958 | Michael Hanselmann |
|
681 | a8083063 | Iustin Pop | """
|
682 | a8083063 | Iustin Pop | # compares ganeti version
|
683 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
684 | a8083063 | Iustin Pop | if not remote_version: |
685 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
686 | a8083063 | Iustin Pop | return True |
687 | a8083063 | Iustin Pop | |
688 | a8083063 | Iustin Pop | if local_version != remote_version:
|
689 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
|
690 | a8083063 | Iustin Pop | (local_version, node, remote_version)) |
691 | a8083063 | Iustin Pop | return True |
692 | a8083063 | Iustin Pop | |
693 | a8083063 | Iustin Pop | # checks vg existance and size > 20G
|
694 | a8083063 | Iustin Pop | |
695 | a8083063 | Iustin Pop | bad = False
|
696 | a8083063 | Iustin Pop | if not vglist: |
697 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
698 | a8083063 | Iustin Pop | (node,)) |
699 | a8083063 | Iustin Pop | bad = True
|
700 | a8083063 | Iustin Pop | else:
|
701 | a8083063 | Iustin Pop | vgstatus = _HasValidVG(vglist, self.cfg.GetVGName())
|
702 | a8083063 | Iustin Pop | if vgstatus:
|
703 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
704 | a8083063 | Iustin Pop | bad = True
|
705 | a8083063 | Iustin Pop | |
706 | a8083063 | Iustin Pop | # checks config file checksum
|
707 | a8083063 | Iustin Pop | # checks ssh to any
|
708 | a8083063 | Iustin Pop | |
709 | a8083063 | Iustin Pop | if 'filelist' not in node_result: |
710 | a8083063 | Iustin Pop | bad = True
|
711 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
712 | a8083063 | Iustin Pop | else:
|
713 | a8083063 | Iustin Pop | remote_cksum = node_result['filelist']
|
714 | a8083063 | Iustin Pop | for file_name in file_list: |
715 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
716 | a8083063 | Iustin Pop | bad = True
|
717 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
718 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
719 | a8083063 | Iustin Pop | bad = True
|
720 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
721 | a8083063 | Iustin Pop | |
722 | a8083063 | Iustin Pop | if 'nodelist' not in node_result: |
723 | a8083063 | Iustin Pop | bad = True
|
724 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node connectivity data")
|
725 | a8083063 | Iustin Pop | else:
|
726 | a8083063 | Iustin Pop | if node_result['nodelist']: |
727 | a8083063 | Iustin Pop | bad = True
|
728 | a8083063 | Iustin Pop | for node in node_result['nodelist']: |
729 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: communication with node '%s': %s" %
|
730 | a8083063 | Iustin Pop | (node, node_result['nodelist'][node]))
|
731 | a8083063 | Iustin Pop | hyp_result = node_result.get('hypervisor', None) |
732 | a8083063 | Iustin Pop | if hyp_result is not None: |
733 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: hypervisor verify failure: '%s'" % hyp_result)
|
734 | a8083063 | Iustin Pop | return bad
|
735 | a8083063 | Iustin Pop | |
736 | a8083063 | Iustin Pop | def _VerifyInstance(self, instance, node_vol_is, node_instance, feedback_fn): |
737 | a8083063 | Iustin Pop | """Verify an instance.
|
738 | a8083063 | Iustin Pop |
|
739 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
740 | a8083063 | Iustin Pop | available on the instance's node.
|
741 | a8083063 | Iustin Pop |
|
742 | a8083063 | Iustin Pop | """
|
743 | a8083063 | Iustin Pop | bad = False
|
744 | a8083063 | Iustin Pop | |
745 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
746 | a8083063 | Iustin Pop | if not instance in instancelist: |
747 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not in instance list %s" %
|
748 | a8083063 | Iustin Pop | (instance, instancelist)) |
749 | a8083063 | Iustin Pop | bad = True
|
750 | a8083063 | Iustin Pop | |
751 | a8083063 | Iustin Pop | instanceconfig = self.cfg.GetInstanceInfo(instance)
|
752 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
753 | a8083063 | Iustin Pop | |
754 | a8083063 | Iustin Pop | node_vol_should = {} |
755 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
756 | a8083063 | Iustin Pop | |
757 | a8083063 | Iustin Pop | for node in node_vol_should: |
758 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
759 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
760 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
761 | a8083063 | Iustin Pop | (volume, node)) |
762 | a8083063 | Iustin Pop | bad = True
|
763 | a8083063 | Iustin Pop | |
764 | a8083063 | Iustin Pop | if not instanceconfig.status == 'down': |
765 | a8083063 | Iustin Pop | if not instance in node_instance[node_current]: |
766 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
767 | a8083063 | Iustin Pop | (instance, node_current)) |
768 | a8083063 | Iustin Pop | bad = True
|
769 | a8083063 | Iustin Pop | |
770 | a8083063 | Iustin Pop | for node in node_instance: |
771 | a8083063 | Iustin Pop | if (not node == node_current): |
772 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
773 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
774 | a8083063 | Iustin Pop | (instance, node)) |
775 | a8083063 | Iustin Pop | bad = True
|
776 | a8083063 | Iustin Pop | |
777 | 6a438c98 | Michael Hanselmann | return bad
|
778 | a8083063 | Iustin Pop | |
779 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
780 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
781 | a8083063 | Iustin Pop |
|
782 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
783 | a8083063 | Iustin Pop | reported as unknown.
|
784 | a8083063 | Iustin Pop |
|
785 | a8083063 | Iustin Pop | """
|
786 | a8083063 | Iustin Pop | bad = False
|
787 | a8083063 | Iustin Pop | |
788 | a8083063 | Iustin Pop | for node in node_vol_is: |
789 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
790 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
791 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
792 | a8083063 | Iustin Pop | (volume, node)) |
793 | a8083063 | Iustin Pop | bad = True
|
794 | a8083063 | Iustin Pop | return bad
|
795 | a8083063 | Iustin Pop | |
796 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
797 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
798 | a8083063 | Iustin Pop |
|
799 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
800 | a8083063 | Iustin Pop |
|
801 | a8083063 | Iustin Pop | """
|
802 | a8083063 | Iustin Pop | bad = False
|
803 | a8083063 | Iustin Pop | for node in node_instance: |
804 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
805 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
806 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
807 | a8083063 | Iustin Pop | (runninginstance, node)) |
808 | a8083063 | Iustin Pop | bad = True
|
809 | a8083063 | Iustin Pop | return bad
|
810 | a8083063 | Iustin Pop | |
811 | a8083063 | Iustin Pop | def CheckPrereq(self): |
812 | a8083063 | Iustin Pop | """Check prerequisites.
|
813 | a8083063 | Iustin Pop |
|
814 | a8083063 | Iustin Pop | This has no prerequisites.
|
815 | a8083063 | Iustin Pop |
|
816 | a8083063 | Iustin Pop | """
|
817 | a8083063 | Iustin Pop | pass
|
818 | a8083063 | Iustin Pop | |
819 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
820 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
821 | a8083063 | Iustin Pop |
|
822 | a8083063 | Iustin Pop | """
|
823 | a8083063 | Iustin Pop | bad = False
|
824 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
825 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
826 | 8522ceeb | Iustin Pop | feedback_fn(" - ERROR: %s" % msg)
|
827 | a8083063 | Iustin Pop | |
828 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
829 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
830 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
831 | a8083063 | Iustin Pop | node_volume = {} |
832 | a8083063 | Iustin Pop | node_instance = {} |
833 | a8083063 | Iustin Pop | |
834 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
835 | a8083063 | Iustin Pop | # do local checksums
|
836 | cb91d46e | Iustin Pop | file_names = list(self.sstore.GetFileList()) |
837 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
838 | cb91d46e | Iustin Pop | file_names.append(constants.CLUSTER_CONF_FILE) |
839 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
840 | a8083063 | Iustin Pop | |
841 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
842 | a8083063 | Iustin Pop | all_volumeinfo = rpc.call_volume_list(nodelist, vg_name) |
843 | a8083063 | Iustin Pop | all_instanceinfo = rpc.call_instance_list(nodelist) |
844 | a8083063 | Iustin Pop | all_vglist = rpc.call_vg_list(nodelist) |
845 | a8083063 | Iustin Pop | node_verify_param = { |
846 | a8083063 | Iustin Pop | 'filelist': file_names,
|
847 | a8083063 | Iustin Pop | 'nodelist': nodelist,
|
848 | a8083063 | Iustin Pop | 'hypervisor': None, |
849 | a8083063 | Iustin Pop | } |
850 | a8083063 | Iustin Pop | all_nvinfo = rpc.call_node_verify(nodelist, node_verify_param) |
851 | a8083063 | Iustin Pop | all_rversion = rpc.call_version(nodelist) |
852 | a8083063 | Iustin Pop | |
853 | a8083063 | Iustin Pop | for node in nodelist: |
854 | a8083063 | Iustin Pop | feedback_fn("* Verifying node %s" % node)
|
855 | a8083063 | Iustin Pop | result = self._VerifyNode(node, file_names, local_checksums,
|
856 | a8083063 | Iustin Pop | all_vglist[node], all_nvinfo[node], |
857 | a8083063 | Iustin Pop | all_rversion[node], feedback_fn) |
858 | a8083063 | Iustin Pop | bad = bad or result
|
859 | a8083063 | Iustin Pop | |
860 | a8083063 | Iustin Pop | # node_volume
|
861 | a8083063 | Iustin Pop | volumeinfo = all_volumeinfo[node] |
862 | a8083063 | Iustin Pop | |
863 | b63ed789 | Iustin Pop | if isinstance(volumeinfo, basestring): |
864 | b63ed789 | Iustin Pop | feedback_fn(" - ERROR: LVM problem on node %s: %s" %
|
865 | b63ed789 | Iustin Pop | (node, volumeinfo[-400:].encode('string_escape'))) |
866 | b63ed789 | Iustin Pop | bad = True
|
867 | b63ed789 | Iustin Pop | node_volume[node] = {} |
868 | b63ed789 | Iustin Pop | elif not isinstance(volumeinfo, dict): |
869 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
870 | a8083063 | Iustin Pop | bad = True
|
871 | a8083063 | Iustin Pop | continue
|
872 | b63ed789 | Iustin Pop | else:
|
873 | b63ed789 | Iustin Pop | node_volume[node] = volumeinfo |
874 | a8083063 | Iustin Pop | |
875 | a8083063 | Iustin Pop | # node_instance
|
876 | a8083063 | Iustin Pop | nodeinstance = all_instanceinfo[node] |
877 | a8083063 | Iustin Pop | if type(nodeinstance) != list: |
878 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
879 | a8083063 | Iustin Pop | bad = True
|
880 | a8083063 | Iustin Pop | continue
|
881 | a8083063 | Iustin Pop | |
882 | a8083063 | Iustin Pop | node_instance[node] = nodeinstance |
883 | a8083063 | Iustin Pop | |
884 | a8083063 | Iustin Pop | node_vol_should = {} |
885 | a8083063 | Iustin Pop | |
886 | a8083063 | Iustin Pop | for instance in instancelist: |
887 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
888 | a8083063 | Iustin Pop | result = self._VerifyInstance(instance, node_volume, node_instance,
|
889 | a8083063 | Iustin Pop | feedback_fn) |
890 | a8083063 | Iustin Pop | bad = bad or result
|
891 | a8083063 | Iustin Pop | |
892 | a8083063 | Iustin Pop | inst_config = self.cfg.GetInstanceInfo(instance)
|
893 | a8083063 | Iustin Pop | |
894 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
895 | a8083063 | Iustin Pop | |
896 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
897 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
898 | a8083063 | Iustin Pop | feedback_fn) |
899 | a8083063 | Iustin Pop | bad = bad or result
|
900 | a8083063 | Iustin Pop | |
901 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
902 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
903 | a8083063 | Iustin Pop | feedback_fn) |
904 | a8083063 | Iustin Pop | bad = bad or result
|
905 | a8083063 | Iustin Pop | |
906 | a8083063 | Iustin Pop | return int(bad) |
907 | a8083063 | Iustin Pop | |
908 | a8083063 | Iustin Pop | |
909 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
910 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
911 | 2c95a8d4 | Iustin Pop |
|
912 | 2c95a8d4 | Iustin Pop | """
|
913 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
914 | 2c95a8d4 | Iustin Pop | |
915 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
916 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
917 | 2c95a8d4 | Iustin Pop |
|
918 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
919 | 2c95a8d4 | Iustin Pop |
|
920 | 2c95a8d4 | Iustin Pop | """
|
921 | 2c95a8d4 | Iustin Pop | pass
|
922 | 2c95a8d4 | Iustin Pop | |
923 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
924 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
925 | 2c95a8d4 | Iustin Pop |
|
926 | 2c95a8d4 | Iustin Pop | """
|
927 | b63ed789 | Iustin Pop | result = res_nodes, res_nlvm, res_instances, res_missing = [], {}, [], {} |
928 | 2c95a8d4 | Iustin Pop | |
929 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
930 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
931 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
932 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
933 | 2c95a8d4 | Iustin Pop | |
934 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
935 | 2c95a8d4 | Iustin Pop | for inst in instances: |
936 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
937 | 2c95a8d4 | Iustin Pop | if (inst.status != "up" or |
938 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
939 | 2c95a8d4 | Iustin Pop | continue
|
940 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
941 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
942 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
943 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
944 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
945 | 2c95a8d4 | Iustin Pop | |
946 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
947 | 2c95a8d4 | Iustin Pop | return result
|
948 | 2c95a8d4 | Iustin Pop | |
949 | 2c95a8d4 | Iustin Pop | node_lvs = rpc.call_volume_list(nodes, vg_name) |
950 | 2c95a8d4 | Iustin Pop | |
951 | 2c95a8d4 | Iustin Pop | to_act = set()
|
952 | 2c95a8d4 | Iustin Pop | for node in nodes: |
953 | 2c95a8d4 | Iustin Pop | # node_volume
|
954 | 2c95a8d4 | Iustin Pop | lvs = node_lvs[node] |
955 | 2c95a8d4 | Iustin Pop | |
956 | b63ed789 | Iustin Pop | if isinstance(lvs, basestring): |
957 | b63ed789 | Iustin Pop | logger.Info("error enumerating LVs on node %s: %s" % (node, lvs))
|
958 | b63ed789 | Iustin Pop | res_nlvm[node] = lvs |
959 | b63ed789 | Iustin Pop | elif not isinstance(lvs, dict): |
960 | 2c95a8d4 | Iustin Pop | logger.Info("connection to node %s failed or invalid data returned" %
|
961 | 2c95a8d4 | Iustin Pop | (node,)) |
962 | 2c95a8d4 | Iustin Pop | res_nodes.append(node) |
963 | 2c95a8d4 | Iustin Pop | continue
|
964 | 2c95a8d4 | Iustin Pop | |
965 | 2c95a8d4 | Iustin Pop | for lv_name, (_, lv_inactive, lv_online) in lvs.iteritems(): |
966 | b63ed789 | Iustin Pop | inst = nv_dict.pop((node, lv_name), None)
|
967 | b63ed789 | Iustin Pop | if (not lv_online and inst is not None |
968 | b63ed789 | Iustin Pop | and inst.name not in res_instances): |
969 | b08d5a87 | Iustin Pop | res_instances.append(inst.name) |
970 | 2c95a8d4 | Iustin Pop | |
971 | b63ed789 | Iustin Pop | # any leftover items in nv_dict are missing LVs, let's arrange the
|
972 | b63ed789 | Iustin Pop | # data better
|
973 | b63ed789 | Iustin Pop | for key, inst in nv_dict.iteritems(): |
974 | b63ed789 | Iustin Pop | if inst.name not in res_missing: |
975 | b63ed789 | Iustin Pop | res_missing[inst.name] = [] |
976 | b63ed789 | Iustin Pop | res_missing[inst.name].append(key) |
977 | b63ed789 | Iustin Pop | |
978 | 2c95a8d4 | Iustin Pop | return result
|
979 | 2c95a8d4 | Iustin Pop | |
980 | 2c95a8d4 | Iustin Pop | |
981 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
982 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
983 | 07bd8a51 | Iustin Pop |
|
984 | 07bd8a51 | Iustin Pop | """
|
985 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
986 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
987 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
988 | 07bd8a51 | Iustin Pop | |
989 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
990 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
991 | 07bd8a51 | Iustin Pop |
|
992 | 07bd8a51 | Iustin Pop | """
|
993 | 07bd8a51 | Iustin Pop | env = { |
994 | 488b540d | Iustin Pop | "OP_TARGET": self.sstore.GetClusterName(), |
995 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
996 | 07bd8a51 | Iustin Pop | } |
997 | 07bd8a51 | Iustin Pop | mn = self.sstore.GetMasterNode()
|
998 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
999 | 07bd8a51 | Iustin Pop | |
1000 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
1001 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
1002 | 07bd8a51 | Iustin Pop |
|
1003 | 07bd8a51 | Iustin Pop | """
|
1004 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
1005 | 07bd8a51 | Iustin Pop | |
1006 | bcf043c9 | Iustin Pop | new_name = hostname.name |
1007 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
1008 | 07bd8a51 | Iustin Pop | old_name = self.sstore.GetClusterName()
|
1009 | 07bd8a51 | Iustin Pop | old_ip = self.sstore.GetMasterIP()
|
1010 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
1011 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
1012 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
1013 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
1014 | 07bd8a51 | Iustin Pop | result = utils.RunCmd(["fping", "-q", new_ip]) |
1015 | 07bd8a51 | Iustin Pop | if not result.failed: |
1016 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
1017 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
1018 | 07bd8a51 | Iustin Pop | new_ip) |
1019 | 07bd8a51 | Iustin Pop | |
1020 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
1021 | 07bd8a51 | Iustin Pop | |
1022 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
1023 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1024 | 07bd8a51 | Iustin Pop |
|
1025 | 07bd8a51 | Iustin Pop | """
|
1026 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
1027 | 07bd8a51 | Iustin Pop | ip = self.ip
|
1028 | 07bd8a51 | Iustin Pop | ss = self.sstore
|
1029 | 07bd8a51 | Iustin Pop | |
1030 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
1031 | 07bd8a51 | Iustin Pop | master = ss.GetMasterNode() |
1032 | 07bd8a51 | Iustin Pop | if not rpc.call_node_stop_master(master): |
1033 | 07bd8a51 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
1034 | 07bd8a51 | Iustin Pop | |
1035 | 07bd8a51 | Iustin Pop | try:
|
1036 | 07bd8a51 | Iustin Pop | # modify the sstore
|
1037 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, ip) |
1038 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername) |
1039 | 07bd8a51 | Iustin Pop | |
1040 | 07bd8a51 | Iustin Pop | # Distribute updated ss config to all nodes
|
1041 | 07bd8a51 | Iustin Pop | myself = self.cfg.GetNodeInfo(master)
|
1042 | 07bd8a51 | Iustin Pop | dist_nodes = self.cfg.GetNodeList()
|
1043 | 07bd8a51 | Iustin Pop | if myself.name in dist_nodes: |
1044 | 07bd8a51 | Iustin Pop | dist_nodes.remove(myself.name) |
1045 | 07bd8a51 | Iustin Pop | |
1046 | 07bd8a51 | Iustin Pop | logger.Debug("Copying updated ssconf data to all nodes")
|
1047 | 07bd8a51 | Iustin Pop | for keyname in [ss.SS_CLUSTER_NAME, ss.SS_MASTER_IP]: |
1048 | 07bd8a51 | Iustin Pop | fname = ss.KeyToFilename(keyname) |
1049 | 07bd8a51 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1050 | 07bd8a51 | Iustin Pop | for to_node in dist_nodes: |
1051 | 07bd8a51 | Iustin Pop | if not result[to_node]: |
1052 | 07bd8a51 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1053 | 07bd8a51 | Iustin Pop | (fname, to_node)) |
1054 | 07bd8a51 | Iustin Pop | finally:
|
1055 | 07bd8a51 | Iustin Pop | if not rpc.call_node_start_master(master): |
1056 | f4bc1f2c | Michael Hanselmann | logger.Error("Could not re-enable the master role on the master,"
|
1057 | f4bc1f2c | Michael Hanselmann | " please restart manually.")
|
1058 | 07bd8a51 | Iustin Pop | |
1059 | 07bd8a51 | Iustin Pop | |
1060 | 5bfac263 | Iustin Pop | def _WaitForSync(cfgw, instance, proc, oneshot=False, unlock=False): |
1061 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1062 | a8083063 | Iustin Pop |
|
1063 | a8083063 | Iustin Pop | """
|
1064 | a8083063 | Iustin Pop | if not instance.disks: |
1065 | a8083063 | Iustin Pop | return True |
1066 | a8083063 | Iustin Pop | |
1067 | a8083063 | Iustin Pop | if not oneshot: |
1068 | 5bfac263 | Iustin Pop | proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
1069 | a8083063 | Iustin Pop | |
1070 | a8083063 | Iustin Pop | node = instance.primary_node |
1071 | a8083063 | Iustin Pop | |
1072 | a8083063 | Iustin Pop | for dev in instance.disks: |
1073 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1074 | a8083063 | Iustin Pop | |
1075 | a8083063 | Iustin Pop | retries = 0
|
1076 | a8083063 | Iustin Pop | while True: |
1077 | a8083063 | Iustin Pop | max_time = 0
|
1078 | a8083063 | Iustin Pop | done = True
|
1079 | a8083063 | Iustin Pop | cumul_degraded = False
|
1080 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1081 | a8083063 | Iustin Pop | if not rstats: |
1082 | 5bfac263 | Iustin Pop | proc.LogWarning("Can't get any data from node %s" % node)
|
1083 | a8083063 | Iustin Pop | retries += 1
|
1084 | a8083063 | Iustin Pop | if retries >= 10: |
1085 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1086 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1087 | a8083063 | Iustin Pop | time.sleep(6)
|
1088 | a8083063 | Iustin Pop | continue
|
1089 | a8083063 | Iustin Pop | retries = 0
|
1090 | a8083063 | Iustin Pop | for i in range(len(rstats)): |
1091 | a8083063 | Iustin Pop | mstat = rstats[i] |
1092 | a8083063 | Iustin Pop | if mstat is None: |
1093 | 5bfac263 | Iustin Pop | proc.LogWarning("Can't compute data for node %s/%s" %
|
1094 | a8083063 | Iustin Pop | (node, instance.disks[i].iv_name)) |
1095 | a8083063 | Iustin Pop | continue
|
1096 | 0834c866 | Iustin Pop | # we ignore the ldisk parameter
|
1097 | 0834c866 | Iustin Pop | perc_done, est_time, is_degraded, _ = mstat |
1098 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1099 | a8083063 | Iustin Pop | if perc_done is not None: |
1100 | a8083063 | Iustin Pop | done = False
|
1101 | a8083063 | Iustin Pop | if est_time is not None: |
1102 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1103 | a8083063 | Iustin Pop | max_time = est_time |
1104 | a8083063 | Iustin Pop | else:
|
1105 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1106 | 5bfac263 | Iustin Pop | proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
1107 | 5bfac263 | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1108 | a8083063 | Iustin Pop | if done or oneshot: |
1109 | a8083063 | Iustin Pop | break
|
1110 | a8083063 | Iustin Pop | |
1111 | a8083063 | Iustin Pop | if unlock:
|
1112 | a8083063 | Iustin Pop | utils.Unlock('cmd')
|
1113 | a8083063 | Iustin Pop | try:
|
1114 | a8083063 | Iustin Pop | time.sleep(min(60, max_time)) |
1115 | a8083063 | Iustin Pop | finally:
|
1116 | a8083063 | Iustin Pop | if unlock:
|
1117 | a8083063 | Iustin Pop | utils.Lock('cmd')
|
1118 | a8083063 | Iustin Pop | |
1119 | a8083063 | Iustin Pop | if done:
|
1120 | 5bfac263 | Iustin Pop | proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
1121 | a8083063 | Iustin Pop | return not cumul_degraded |
1122 | a8083063 | Iustin Pop | |
1123 | a8083063 | Iustin Pop | |
1124 | 0834c866 | Iustin Pop | def _CheckDiskConsistency(cfgw, dev, node, on_primary, ldisk=False): |
1125 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1126 | a8083063 | Iustin Pop |
|
1127 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
1128 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
1129 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
1130 | 0834c866 | Iustin Pop |
|
1131 | a8083063 | Iustin Pop | """
|
1132 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1133 | 0834c866 | Iustin Pop | if ldisk:
|
1134 | 0834c866 | Iustin Pop | idx = 6
|
1135 | 0834c866 | Iustin Pop | else:
|
1136 | 0834c866 | Iustin Pop | idx = 5
|
1137 | a8083063 | Iustin Pop | |
1138 | a8083063 | Iustin Pop | result = True
|
1139 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1140 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_find(node, dev) |
1141 | a8083063 | Iustin Pop | if not rstats: |
1142 | a8083063 | Iustin Pop | logger.ToStderr("Can't get any data from node %s" % node)
|
1143 | a8083063 | Iustin Pop | result = False
|
1144 | a8083063 | Iustin Pop | else:
|
1145 | 0834c866 | Iustin Pop | result = result and (not rstats[idx]) |
1146 | a8083063 | Iustin Pop | if dev.children:
|
1147 | a8083063 | Iustin Pop | for child in dev.children: |
1148 | a8083063 | Iustin Pop | result = result and _CheckDiskConsistency(cfgw, child, node, on_primary)
|
1149 | a8083063 | Iustin Pop | |
1150 | a8083063 | Iustin Pop | return result
|
1151 | a8083063 | Iustin Pop | |
1152 | a8083063 | Iustin Pop | |
1153 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1154 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1155 | a8083063 | Iustin Pop |
|
1156 | a8083063 | Iustin Pop | """
|
1157 | a8083063 | Iustin Pop | _OP_REQP = [] |
1158 | a8083063 | Iustin Pop | |
1159 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1160 | a8083063 | Iustin Pop | """Check prerequisites.
|
1161 | a8083063 | Iustin Pop |
|
1162 | a8083063 | Iustin Pop | This always succeeds, since this is a pure query LU.
|
1163 | a8083063 | Iustin Pop |
|
1164 | a8083063 | Iustin Pop | """
|
1165 | a8083063 | Iustin Pop | return
|
1166 | a8083063 | Iustin Pop | |
1167 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1168 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1169 | a8083063 | Iustin Pop |
|
1170 | a8083063 | Iustin Pop | """
|
1171 | a8083063 | Iustin Pop | node_list = self.cfg.GetNodeList()
|
1172 | a8083063 | Iustin Pop | node_data = rpc.call_os_diagnose(node_list) |
1173 | a8083063 | Iustin Pop | if node_data == False: |
1174 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't gather the list of OSes") |
1175 | a8083063 | Iustin Pop | return node_data
|
1176 | a8083063 | Iustin Pop | |
1177 | a8083063 | Iustin Pop | |
1178 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1179 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1180 | a8083063 | Iustin Pop |
|
1181 | a8083063 | Iustin Pop | """
|
1182 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1183 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1184 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1185 | a8083063 | Iustin Pop | |
1186 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1187 | a8083063 | Iustin Pop | """Build hooks env.
|
1188 | a8083063 | Iustin Pop |
|
1189 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1190 | a8083063 | Iustin Pop | node would not allows itself to run.
|
1191 | a8083063 | Iustin Pop |
|
1192 | a8083063 | Iustin Pop | """
|
1193 | 396e1b78 | Michael Hanselmann | env = { |
1194 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1195 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1196 | 396e1b78 | Michael Hanselmann | } |
1197 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1198 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1199 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1200 | a8083063 | Iustin Pop | |
1201 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1202 | a8083063 | Iustin Pop | """Check prerequisites.
|
1203 | a8083063 | Iustin Pop |
|
1204 | a8083063 | Iustin Pop | This checks:
|
1205 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1206 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1207 | a8083063 | Iustin Pop | - it's not the master
|
1208 | a8083063 | Iustin Pop |
|
1209 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1210 | a8083063 | Iustin Pop |
|
1211 | a8083063 | Iustin Pop | """
|
1212 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1213 | a8083063 | Iustin Pop | if node is None: |
1214 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1215 | a8083063 | Iustin Pop | |
1216 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1217 | a8083063 | Iustin Pop | |
1218 | 880478f8 | Iustin Pop | masternode = self.sstore.GetMasterNode()
|
1219 | a8083063 | Iustin Pop | if node.name == masternode:
|
1220 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
1221 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
1222 | a8083063 | Iustin Pop | |
1223 | a8083063 | Iustin Pop | for instance_name in instance_list: |
1224 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
1225 | a8083063 | Iustin Pop | if node.name == instance.primary_node:
|
1226 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s still running on the node," |
1227 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1228 | a8083063 | Iustin Pop | if node.name in instance.secondary_nodes: |
1229 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s has node as a secondary," |
1230 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1231 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
1232 | a8083063 | Iustin Pop | self.node = node
|
1233 | a8083063 | Iustin Pop | |
1234 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1235 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
1236 | a8083063 | Iustin Pop |
|
1237 | a8083063 | Iustin Pop | """
|
1238 | a8083063 | Iustin Pop | node = self.node
|
1239 | a8083063 | Iustin Pop | logger.Info("stopping the node daemon and removing configs from node %s" %
|
1240 | a8083063 | Iustin Pop | node.name) |
1241 | a8083063 | Iustin Pop | |
1242 | a8083063 | Iustin Pop | rpc.call_node_leave_cluster(node.name) |
1243 | a8083063 | Iustin Pop | |
1244 | c92b310a | Michael Hanselmann | self.ssh.Run(node.name, 'root', "%s stop" % constants.NODE_INITD_SCRIPT) |
1245 | a8083063 | Iustin Pop | |
1246 | a8083063 | Iustin Pop | logger.Info("Removing node %s from config" % node.name)
|
1247 | a8083063 | Iustin Pop | |
1248 | a8083063 | Iustin Pop | self.cfg.RemoveNode(node.name)
|
1249 | a8083063 | Iustin Pop | |
1250 | c8a0948f | Michael Hanselmann | _RemoveHostFromEtcHosts(node.name) |
1251 | c8a0948f | Michael Hanselmann | |
1252 | a8083063 | Iustin Pop | |
1253 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
1254 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
1255 | a8083063 | Iustin Pop |
|
1256 | a8083063 | Iustin Pop | """
|
1257 | 246e180a | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1258 | a8083063 | Iustin Pop | |
1259 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1260 | a8083063 | Iustin Pop | """Check prerequisites.
|
1261 | a8083063 | Iustin Pop |
|
1262 | a8083063 | Iustin Pop | This checks that the fields required are valid output fields.
|
1263 | a8083063 | Iustin Pop |
|
1264 | a8083063 | Iustin Pop | """
|
1265 | a8083063 | Iustin Pop | self.dynamic_fields = frozenset(["dtotal", "dfree", |
1266 | 3ef10550 | Michael Hanselmann | "mtotal", "mnode", "mfree", |
1267 | 3ef10550 | Michael Hanselmann | "bootid"])
|
1268 | a8083063 | Iustin Pop | |
1269 | ec223efb | Iustin Pop | _CheckOutputFields(static=["name", "pinst_cnt", "sinst_cnt", |
1270 | ec223efb | Iustin Pop | "pinst_list", "sinst_list", |
1271 | ec223efb | Iustin Pop | "pip", "sip"], |
1272 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
1273 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1274 | a8083063 | Iustin Pop | |
1275 | 246e180a | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
1276 | a8083063 | Iustin Pop | |
1277 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1278 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
1279 | a8083063 | Iustin Pop |
|
1280 | a8083063 | Iustin Pop | """
|
1281 | 246e180a | Iustin Pop | nodenames = self.wanted
|
1282 | a8083063 | Iustin Pop | nodelist = [self.cfg.GetNodeInfo(name) for name in nodenames] |
1283 | a8083063 | Iustin Pop | |
1284 | a8083063 | Iustin Pop | # begin data gathering
|
1285 | a8083063 | Iustin Pop | |
1286 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
1287 | a8083063 | Iustin Pop | live_data = {} |
1288 | a8083063 | Iustin Pop | node_data = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
1289 | a8083063 | Iustin Pop | for name in nodenames: |
1290 | a8083063 | Iustin Pop | nodeinfo = node_data.get(name, None)
|
1291 | a8083063 | Iustin Pop | if nodeinfo:
|
1292 | a8083063 | Iustin Pop | live_data[name] = { |
1293 | a8083063 | Iustin Pop | "mtotal": utils.TryConvert(int, nodeinfo['memory_total']), |
1294 | a8083063 | Iustin Pop | "mnode": utils.TryConvert(int, nodeinfo['memory_dom0']), |
1295 | a8083063 | Iustin Pop | "mfree": utils.TryConvert(int, nodeinfo['memory_free']), |
1296 | a8083063 | Iustin Pop | "dtotal": utils.TryConvert(int, nodeinfo['vg_size']), |
1297 | a8083063 | Iustin Pop | "dfree": utils.TryConvert(int, nodeinfo['vg_free']), |
1298 | 3ef10550 | Michael Hanselmann | "bootid": nodeinfo['bootid'], |
1299 | a8083063 | Iustin Pop | } |
1300 | a8083063 | Iustin Pop | else:
|
1301 | a8083063 | Iustin Pop | live_data[name] = {} |
1302 | a8083063 | Iustin Pop | else:
|
1303 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
1304 | a8083063 | Iustin Pop | |
1305 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
1306 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1307 | a8083063 | Iustin Pop | |
1308 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
1309 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
1310 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
1311 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
1312 | a8083063 | Iustin Pop | |
1313 | ec223efb | Iustin Pop | for instance_name in instancelist: |
1314 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
1315 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
1316 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
1317 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
1318 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
1319 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
1320 | a8083063 | Iustin Pop | |
1321 | a8083063 | Iustin Pop | # end data gathering
|
1322 | a8083063 | Iustin Pop | |
1323 | a8083063 | Iustin Pop | output = [] |
1324 | a8083063 | Iustin Pop | for node in nodelist: |
1325 | a8083063 | Iustin Pop | node_output = [] |
1326 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
1327 | a8083063 | Iustin Pop | if field == "name": |
1328 | a8083063 | Iustin Pop | val = node.name |
1329 | ec223efb | Iustin Pop | elif field == "pinst_list": |
1330 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
1331 | ec223efb | Iustin Pop | elif field == "sinst_list": |
1332 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
1333 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
1334 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
1335 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
1336 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
1337 | a8083063 | Iustin Pop | elif field == "pip": |
1338 | a8083063 | Iustin Pop | val = node.primary_ip |
1339 | a8083063 | Iustin Pop | elif field == "sip": |
1340 | a8083063 | Iustin Pop | val = node.secondary_ip |
1341 | a8083063 | Iustin Pop | elif field in self.dynamic_fields: |
1342 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
1343 | a8083063 | Iustin Pop | else:
|
1344 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1345 | a8083063 | Iustin Pop | node_output.append(val) |
1346 | a8083063 | Iustin Pop | output.append(node_output) |
1347 | a8083063 | Iustin Pop | |
1348 | a8083063 | Iustin Pop | return output
|
1349 | a8083063 | Iustin Pop | |
1350 | a8083063 | Iustin Pop | |
1351 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
1352 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
1353 | dcb93971 | Michael Hanselmann |
|
1354 | dcb93971 | Michael Hanselmann | """
|
1355 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
1356 | dcb93971 | Michael Hanselmann | |
1357 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
1358 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
1359 | dcb93971 | Michael Hanselmann |
|
1360 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
1361 | dcb93971 | Michael Hanselmann |
|
1362 | dcb93971 | Michael Hanselmann | """
|
1363 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1364 | dcb93971 | Michael Hanselmann | |
1365 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["node"],
|
1366 | dcb93971 | Michael Hanselmann | dynamic=["phys", "vg", "name", "size", "instance"], |
1367 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1368 | dcb93971 | Michael Hanselmann | |
1369 | dcb93971 | Michael Hanselmann | |
1370 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
1371 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
1372 | dcb93971 | Michael Hanselmann |
|
1373 | dcb93971 | Michael Hanselmann | """
|
1374 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
1375 | dcb93971 | Michael Hanselmann | volumes = rpc.call_node_volumes(nodenames) |
1376 | dcb93971 | Michael Hanselmann | |
1377 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
1378 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
1379 | dcb93971 | Michael Hanselmann | |
1380 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
1381 | dcb93971 | Michael Hanselmann | |
1382 | dcb93971 | Michael Hanselmann | output = [] |
1383 | dcb93971 | Michael Hanselmann | for node in nodenames: |
1384 | 37d19eb2 | Michael Hanselmann | if node not in volumes or not volumes[node]: |
1385 | 37d19eb2 | Michael Hanselmann | continue
|
1386 | 37d19eb2 | Michael Hanselmann | |
1387 | dcb93971 | Michael Hanselmann | node_vols = volumes[node][:] |
1388 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
1389 | dcb93971 | Michael Hanselmann | |
1390 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
1391 | dcb93971 | Michael Hanselmann | node_output = [] |
1392 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
1393 | dcb93971 | Michael Hanselmann | if field == "node": |
1394 | dcb93971 | Michael Hanselmann | val = node |
1395 | dcb93971 | Michael Hanselmann | elif field == "phys": |
1396 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
1397 | dcb93971 | Michael Hanselmann | elif field == "vg": |
1398 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
1399 | dcb93971 | Michael Hanselmann | elif field == "name": |
1400 | dcb93971 | Michael Hanselmann | val = vol['name']
|
1401 | dcb93971 | Michael Hanselmann | elif field == "size": |
1402 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
1403 | dcb93971 | Michael Hanselmann | elif field == "instance": |
1404 | dcb93971 | Michael Hanselmann | for inst in ilist: |
1405 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
1406 | dcb93971 | Michael Hanselmann | continue
|
1407 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
1408 | dcb93971 | Michael Hanselmann | val = inst.name |
1409 | dcb93971 | Michael Hanselmann | break
|
1410 | dcb93971 | Michael Hanselmann | else:
|
1411 | dcb93971 | Michael Hanselmann | val = '-'
|
1412 | dcb93971 | Michael Hanselmann | else:
|
1413 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1414 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
1415 | dcb93971 | Michael Hanselmann | |
1416 | dcb93971 | Michael Hanselmann | output.append(node_output) |
1417 | dcb93971 | Michael Hanselmann | |
1418 | dcb93971 | Michael Hanselmann | return output
|
1419 | dcb93971 | Michael Hanselmann | |
1420 | dcb93971 | Michael Hanselmann | |
1421 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
1422 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
1423 | a8083063 | Iustin Pop |
|
1424 | a8083063 | Iustin Pop | """
|
1425 | a8083063 | Iustin Pop | HPATH = "node-add"
|
1426 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1427 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1428 | a8083063 | Iustin Pop | |
1429 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1430 | a8083063 | Iustin Pop | """Build hooks env.
|
1431 | a8083063 | Iustin Pop |
|
1432 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
1433 | a8083063 | Iustin Pop |
|
1434 | a8083063 | Iustin Pop | """
|
1435 | a8083063 | Iustin Pop | env = { |
1436 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1437 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
1438 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
1439 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
1440 | a8083063 | Iustin Pop | } |
1441 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
1442 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
1443 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
1444 | a8083063 | Iustin Pop | |
1445 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1446 | a8083063 | Iustin Pop | """Check prerequisites.
|
1447 | a8083063 | Iustin Pop |
|
1448 | a8083063 | Iustin Pop | This checks:
|
1449 | a8083063 | Iustin Pop | - the new node is not already in the config
|
1450 | a8083063 | Iustin Pop | - it is resolvable
|
1451 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
1452 | a8083063 | Iustin Pop |
|
1453 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1454 | a8083063 | Iustin Pop |
|
1455 | a8083063 | Iustin Pop | """
|
1456 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
1457 | a8083063 | Iustin Pop | cfg = self.cfg
|
1458 | a8083063 | Iustin Pop | |
1459 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
1460 | a8083063 | Iustin Pop | |
1461 | bcf043c9 | Iustin Pop | node = dns_data.name |
1462 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
1463 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
1464 | a8083063 | Iustin Pop | if secondary_ip is None: |
1465 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
1466 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
1467 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
1468 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
1469 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
1470 | a8083063 | Iustin Pop | if node in node_list: |
1471 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node %s is already in the configuration" |
1472 | 3ecf6786 | Iustin Pop | % node) |
1473 | a8083063 | Iustin Pop | |
1474 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
1475 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
1476 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
1477 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
1478 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
1479 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
1480 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
1481 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
1482 | a8083063 | Iustin Pop | |
1483 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
1484 | a8083063 | Iustin Pop | # same as for the master
|
1485 | 880478f8 | Iustin Pop | myself = cfg.GetNodeInfo(self.sstore.GetMasterNode())
|
1486 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
1487 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
1488 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
1489 | a8083063 | Iustin Pop | if master_singlehomed:
|
1490 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
1491 | 3ecf6786 | Iustin Pop | " new node has one")
|
1492 | a8083063 | Iustin Pop | else:
|
1493 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
1494 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
1495 | a8083063 | Iustin Pop | |
1496 | a8083063 | Iustin Pop | # checks reachablity
|
1497 | b15d625f | Iustin Pop | if not utils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
1498 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
1499 | a8083063 | Iustin Pop | |
1500 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
1501 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
1502 | b15d625f | Iustin Pop | if not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
1503 | b15d625f | Iustin Pop | source=myself.secondary_ip): |
1504 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
1505 | f4bc1f2c | Michael Hanselmann | " based ping to noded port")
|
1506 | a8083063 | Iustin Pop | |
1507 | a8083063 | Iustin Pop | self.new_node = objects.Node(name=node,
|
1508 | a8083063 | Iustin Pop | primary_ip=primary_ip, |
1509 | a8083063 | Iustin Pop | secondary_ip=secondary_ip) |
1510 | a8083063 | Iustin Pop | |
1511 | 2a6469d5 | Alexander Schreiber | if self.sstore.GetHypervisorType() == constants.HT_XEN_HVM31: |
1512 | 2a6469d5 | Alexander Schreiber | if not os.path.exists(constants.VNC_PASSWORD_FILE): |
1513 | 2a6469d5 | Alexander Schreiber | raise errors.OpPrereqError("Cluster VNC password file %s missing" % |
1514 | 2a6469d5 | Alexander Schreiber | constants.VNC_PASSWORD_FILE) |
1515 | 2a6469d5 | Alexander Schreiber | |
1516 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1517 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
1518 | a8083063 | Iustin Pop |
|
1519 | a8083063 | Iustin Pop | """
|
1520 | a8083063 | Iustin Pop | new_node = self.new_node
|
1521 | a8083063 | Iustin Pop | node = new_node.name |
1522 | a8083063 | Iustin Pop | |
1523 | a8083063 | Iustin Pop | # set up inter-node password and certificate and restarts the node daemon
|
1524 | a8083063 | Iustin Pop | gntpass = self.sstore.GetNodeDaemonPassword()
|
1525 | a8083063 | Iustin Pop | if not re.match('^[a-zA-Z0-9.]{1,64}$', gntpass): |
1526 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("ganeti password corruption detected") |
1527 | a8083063 | Iustin Pop | f = open(constants.SSL_CERT_FILE)
|
1528 | a8083063 | Iustin Pop | try:
|
1529 | a8083063 | Iustin Pop | gntpem = f.read(8192)
|
1530 | a8083063 | Iustin Pop | finally:
|
1531 | a8083063 | Iustin Pop | f.close() |
1532 | a8083063 | Iustin Pop | # in the base64 pem encoding, neither '!' nor '.' are valid chars,
|
1533 | a8083063 | Iustin Pop | # so we use this to detect an invalid certificate; as long as the
|
1534 | a8083063 | Iustin Pop | # cert doesn't contain this, the here-document will be correctly
|
1535 | a8083063 | Iustin Pop | # parsed by the shell sequence below
|
1536 | a8083063 | Iustin Pop | if re.search('^!EOF\.', gntpem, re.MULTILINE): |
1537 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("invalid PEM encoding in the SSL certificate") |
1538 | a8083063 | Iustin Pop | if not gntpem.endswith("\n"): |
1539 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("PEM must end with newline") |
1540 | a8083063 | Iustin Pop | logger.Info("copy cluster pass to %s and starting the node daemon" % node)
|
1541 | a8083063 | Iustin Pop | |
1542 | a8083063 | Iustin Pop | # and then connect with ssh to set password and start ganeti-noded
|
1543 | a8083063 | Iustin Pop | # note that all the below variables are sanitized at this point,
|
1544 | a8083063 | Iustin Pop | # either by being constants or by the checks above
|
1545 | a8083063 | Iustin Pop | ss = self.sstore
|
1546 | a8083063 | Iustin Pop | mycommand = ("umask 077 && "
|
1547 | a8083063 | Iustin Pop | "echo '%s' > '%s' && "
|
1548 | a8083063 | Iustin Pop | "cat > '%s' << '!EOF.' && \n"
|
1549 | a8083063 | Iustin Pop | "%s!EOF.\n%s restart" %
|
1550 | a8083063 | Iustin Pop | (gntpass, ss.KeyToFilename(ss.SS_NODED_PASS), |
1551 | a8083063 | Iustin Pop | constants.SSL_CERT_FILE, gntpem, |
1552 | a8083063 | Iustin Pop | constants.NODE_INITD_SCRIPT)) |
1553 | a8083063 | Iustin Pop | |
1554 | c92b310a | Michael Hanselmann | result = self.ssh.Run(node, 'root', mycommand, batch=False, ask_key=True) |
1555 | a8083063 | Iustin Pop | if result.failed:
|
1556 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Remote command on node %s, error: %s," |
1557 | 3ecf6786 | Iustin Pop | " output: %s" %
|
1558 | 3ecf6786 | Iustin Pop | (node, result.fail_reason, result.output)) |
1559 | a8083063 | Iustin Pop | |
1560 | a8083063 | Iustin Pop | # check connectivity
|
1561 | a8083063 | Iustin Pop | time.sleep(4)
|
1562 | a8083063 | Iustin Pop | |
1563 | a8083063 | Iustin Pop | result = rpc.call_version([node])[node] |
1564 | a8083063 | Iustin Pop | if result:
|
1565 | a8083063 | Iustin Pop | if constants.PROTOCOL_VERSION == result:
|
1566 | a8083063 | Iustin Pop | logger.Info("communication to node %s fine, sw version %s match" %
|
1567 | a8083063 | Iustin Pop | (node, result)) |
1568 | a8083063 | Iustin Pop | else:
|
1569 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
1570 | 3ecf6786 | Iustin Pop | " node version %s" %
|
1571 | 3ecf6786 | Iustin Pop | (constants.PROTOCOL_VERSION, result)) |
1572 | a8083063 | Iustin Pop | else:
|
1573 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot get version from the new node") |
1574 | a8083063 | Iustin Pop | |
1575 | a8083063 | Iustin Pop | # setup ssh on node
|
1576 | a8083063 | Iustin Pop | logger.Info("copy ssh key to node %s" % node)
|
1577 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
1578 | a8083063 | Iustin Pop | keyarray = [] |
1579 | 70d9e3d8 | Iustin Pop | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
1580 | 70d9e3d8 | Iustin Pop | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
1581 | 70d9e3d8 | Iustin Pop | priv_key, pub_key] |
1582 | a8083063 | Iustin Pop | |
1583 | a8083063 | Iustin Pop | for i in keyfiles: |
1584 | a8083063 | Iustin Pop | f = open(i, 'r') |
1585 | a8083063 | Iustin Pop | try:
|
1586 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
1587 | a8083063 | Iustin Pop | finally:
|
1588 | a8083063 | Iustin Pop | f.close() |
1589 | a8083063 | Iustin Pop | |
1590 | a8083063 | Iustin Pop | result = rpc.call_node_add(node, keyarray[0], keyarray[1], keyarray[2], |
1591 | a8083063 | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
1592 | a8083063 | Iustin Pop | |
1593 | a8083063 | Iustin Pop | if not result: |
1594 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot transfer ssh keys to the new node") |
1595 | a8083063 | Iustin Pop | |
1596 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
1597 | 9440aeab | Michael Hanselmann | _AddHostToEtcHosts(new_node.name) |
1598 | c8a0948f | Michael Hanselmann | |
1599 | a8083063 | Iustin Pop | _UpdateKnownHosts(new_node.name, new_node.primary_ip, |
1600 | a8083063 | Iustin Pop | self.cfg.GetHostKey())
|
1601 | a8083063 | Iustin Pop | |
1602 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
1603 | 16abfbc2 | Alexander Schreiber | if not rpc.call_node_tcp_ping(new_node.name, |
1604 | 16abfbc2 | Alexander Schreiber | constants.LOCALHOST_IP_ADDRESS, |
1605 | 16abfbc2 | Alexander Schreiber | new_node.secondary_ip, |
1606 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT, |
1607 | 16abfbc2 | Alexander Schreiber | 10, False): |
1608 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
1609 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
1610 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
1611 | a8083063 | Iustin Pop | |
1612 | c92b310a | Michael Hanselmann | success, msg = self.ssh.VerifyNodeHostname(node)
|
1613 | ff98055b | Iustin Pop | if not success: |
1614 | ff98055b | Iustin Pop | raise errors.OpExecError("Node '%s' claims it has a different hostname" |
1615 | f4bc1f2c | Michael Hanselmann | " than the one the resolver gives: %s."
|
1616 | f4bc1f2c | Michael Hanselmann | " Please fix and re-run this command." %
|
1617 | ff98055b | Iustin Pop | (node, msg)) |
1618 | ff98055b | Iustin Pop | |
1619 | a8083063 | Iustin Pop | # Distribute updated /etc/hosts and known_hosts to all nodes,
|
1620 | a8083063 | Iustin Pop | # including the node just added
|
1621 | 880478f8 | Iustin Pop | myself = self.cfg.GetNodeInfo(self.sstore.GetMasterNode()) |
1622 | a8083063 | Iustin Pop | dist_nodes = self.cfg.GetNodeList() + [node]
|
1623 | a8083063 | Iustin Pop | if myself.name in dist_nodes: |
1624 | a8083063 | Iustin Pop | dist_nodes.remove(myself.name) |
1625 | a8083063 | Iustin Pop | |
1626 | a8083063 | Iustin Pop | logger.Debug("Copying hosts and known_hosts to all nodes")
|
1627 | 107711b0 | Michael Hanselmann | for fname in (constants.ETC_HOSTS, constants.SSH_KNOWN_HOSTS_FILE): |
1628 | a8083063 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1629 | a8083063 | Iustin Pop | for to_node in dist_nodes: |
1630 | a8083063 | Iustin Pop | if not result[to_node]: |
1631 | a8083063 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1632 | a8083063 | Iustin Pop | (fname, to_node)) |
1633 | a8083063 | Iustin Pop | |
1634 | cb91d46e | Iustin Pop | to_copy = ss.GetFileList() |
1635 | 2a6469d5 | Alexander Schreiber | if self.sstore.GetHypervisorType() == constants.HT_XEN_HVM31: |
1636 | 2a6469d5 | Alexander Schreiber | to_copy.append(constants.VNC_PASSWORD_FILE) |
1637 | a8083063 | Iustin Pop | for fname in to_copy: |
1638 | c92b310a | Michael Hanselmann | if not self.ssh.CopyFileToNode(node, fname): |
1639 | a8083063 | Iustin Pop | logger.Error("could not copy file %s to node %s" % (fname, node))
|
1640 | a8083063 | Iustin Pop | |
1641 | a8083063 | Iustin Pop | logger.Info("adding node %s to cluster.conf" % node)
|
1642 | a8083063 | Iustin Pop | self.cfg.AddNode(new_node)
|
1643 | a8083063 | Iustin Pop | |
1644 | a8083063 | Iustin Pop | |
1645 | a8083063 | Iustin Pop | class LUMasterFailover(LogicalUnit): |
1646 | a8083063 | Iustin Pop | """Failover the master node to the current node.
|
1647 | a8083063 | Iustin Pop |
|
1648 | a8083063 | Iustin Pop | This is a special LU in that it must run on a non-master node.
|
1649 | a8083063 | Iustin Pop |
|
1650 | a8083063 | Iustin Pop | """
|
1651 | a8083063 | Iustin Pop | HPATH = "master-failover"
|
1652 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
1653 | a8083063 | Iustin Pop | REQ_MASTER = False
|
1654 | a8083063 | Iustin Pop | _OP_REQP = [] |
1655 | a8083063 | Iustin Pop | |
1656 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1657 | a8083063 | Iustin Pop | """Build hooks env.
|
1658 | a8083063 | Iustin Pop |
|
1659 | a8083063 | Iustin Pop | This will run on the new master only in the pre phase, and on all
|
1660 | a8083063 | Iustin Pop | the nodes in the post phase.
|
1661 | a8083063 | Iustin Pop |
|
1662 | a8083063 | Iustin Pop | """
|
1663 | a8083063 | Iustin Pop | env = { |
1664 | 0e137c28 | Iustin Pop | "OP_TARGET": self.new_master, |
1665 | a8083063 | Iustin Pop | "NEW_MASTER": self.new_master, |
1666 | a8083063 | Iustin Pop | "OLD_MASTER": self.old_master, |
1667 | a8083063 | Iustin Pop | } |
1668 | a8083063 | Iustin Pop | return env, [self.new_master], self.cfg.GetNodeList() |
1669 | a8083063 | Iustin Pop | |
1670 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1671 | a8083063 | Iustin Pop | """Check prerequisites.
|
1672 | a8083063 | Iustin Pop |
|
1673 | a8083063 | Iustin Pop | This checks that we are not already the master.
|
1674 | a8083063 | Iustin Pop |
|
1675 | a8083063 | Iustin Pop | """
|
1676 | 89e1fc26 | Iustin Pop | self.new_master = utils.HostInfo().name
|
1677 | 880478f8 | Iustin Pop | self.old_master = self.sstore.GetMasterNode() |
1678 | a8083063 | Iustin Pop | |
1679 | a8083063 | Iustin Pop | if self.old_master == self.new_master: |
1680 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("This commands must be run on the node" |
1681 | f4bc1f2c | Michael Hanselmann | " where you want the new master to be."
|
1682 | f4bc1f2c | Michael Hanselmann | " %s is already the master" %
|
1683 | 3ecf6786 | Iustin Pop | self.old_master)
|
1684 | a8083063 | Iustin Pop | |
1685 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1686 | a8083063 | Iustin Pop | """Failover the master node.
|
1687 | a8083063 | Iustin Pop |
|
1688 | a8083063 | Iustin Pop | This command, when run on a non-master node, will cause the current
|
1689 | a8083063 | Iustin Pop | master to cease being master, and the non-master to become new
|
1690 | a8083063 | Iustin Pop | master.
|
1691 | a8083063 | Iustin Pop |
|
1692 | a8083063 | Iustin Pop | """
|
1693 | a8083063 | Iustin Pop | #TODO: do not rely on gethostname returning the FQDN
|
1694 | a8083063 | Iustin Pop | logger.Info("setting master to %s, old master: %s" %
|
1695 | a8083063 | Iustin Pop | (self.new_master, self.old_master)) |
1696 | a8083063 | Iustin Pop | |
1697 | a8083063 | Iustin Pop | if not rpc.call_node_stop_master(self.old_master): |
1698 | a8083063 | Iustin Pop | logger.Error("could disable the master role on the old master"
|
1699 | a8083063 | Iustin Pop | " %s, please disable manually" % self.old_master) |
1700 | a8083063 | Iustin Pop | |
1701 | 880478f8 | Iustin Pop | ss = self.sstore
|
1702 | 880478f8 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NODE, self.new_master)
|
1703 | 880478f8 | Iustin Pop | if not rpc.call_upload_file(self.cfg.GetNodeList(), |
1704 | 880478f8 | Iustin Pop | ss.KeyToFilename(ss.SS_MASTER_NODE)): |
1705 | 880478f8 | Iustin Pop | logger.Error("could not distribute the new simple store master file"
|
1706 | 880478f8 | Iustin Pop | " to the other nodes, please check.")
|
1707 | 880478f8 | Iustin Pop | |
1708 | a8083063 | Iustin Pop | if not rpc.call_node_start_master(self.new_master): |
1709 | a8083063 | Iustin Pop | logger.Error("could not start the master role on the new master"
|
1710 | a8083063 | Iustin Pop | " %s, please check" % self.new_master) |
1711 | f4bc1f2c | Michael Hanselmann | feedback_fn("Error in activating the master IP on the new master,"
|
1712 | f4bc1f2c | Michael Hanselmann | " please fix manually.")
|
1713 | a8083063 | Iustin Pop | |
1714 | a8083063 | Iustin Pop | |
1715 | a8083063 | Iustin Pop | |
1716 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
1717 | a8083063 | Iustin Pop | """Query cluster configuration.
|
1718 | a8083063 | Iustin Pop |
|
1719 | a8083063 | Iustin Pop | """
|
1720 | a8083063 | Iustin Pop | _OP_REQP = [] |
1721 | 59322403 | Iustin Pop | REQ_MASTER = False
|
1722 | a8083063 | Iustin Pop | |
1723 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1724 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
1725 | a8083063 | Iustin Pop |
|
1726 | a8083063 | Iustin Pop | """
|
1727 | a8083063 | Iustin Pop | pass
|
1728 | a8083063 | Iustin Pop | |
1729 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1730 | a8083063 | Iustin Pop | """Return cluster config.
|
1731 | a8083063 | Iustin Pop |
|
1732 | a8083063 | Iustin Pop | """
|
1733 | a8083063 | Iustin Pop | result = { |
1734 | 5fcdc80d | Iustin Pop | "name": self.sstore.GetClusterName(), |
1735 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
1736 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
1737 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
1738 | a8083063 | Iustin Pop | "os_api_version": constants.OS_API_VERSION,
|
1739 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
1740 | 880478f8 | Iustin Pop | "master": self.sstore.GetMasterNode(), |
1741 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
1742 | a8083063 | Iustin Pop | } |
1743 | a8083063 | Iustin Pop | |
1744 | a8083063 | Iustin Pop | return result
|
1745 | a8083063 | Iustin Pop | |
1746 | a8083063 | Iustin Pop | |
1747 | a8083063 | Iustin Pop | class LUClusterCopyFile(NoHooksLU): |
1748 | a8083063 | Iustin Pop | """Copy file to cluster.
|
1749 | a8083063 | Iustin Pop |
|
1750 | a8083063 | Iustin Pop | """
|
1751 | a8083063 | Iustin Pop | _OP_REQP = ["nodes", "filename"] |
1752 | a8083063 | Iustin Pop | |
1753 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1754 | a8083063 | Iustin Pop | """Check prerequisites.
|
1755 | a8083063 | Iustin Pop |
|
1756 | a8083063 | Iustin Pop | It should check that the named file exists and that the given list
|
1757 | a8083063 | Iustin Pop | of nodes is valid.
|
1758 | a8083063 | Iustin Pop |
|
1759 | a8083063 | Iustin Pop | """
|
1760 | a8083063 | Iustin Pop | if not os.path.exists(self.op.filename): |
1761 | a8083063 | Iustin Pop | raise errors.OpPrereqError("No such filename '%s'" % self.op.filename) |
1762 | dcb93971 | Michael Hanselmann | |
1763 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1764 | a8083063 | Iustin Pop | |
1765 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1766 | a8083063 | Iustin Pop | """Copy a file from master to some nodes.
|
1767 | a8083063 | Iustin Pop |
|
1768 | a8083063 | Iustin Pop | Args:
|
1769 | a8083063 | Iustin Pop | opts - class with options as members
|
1770 | a8083063 | Iustin Pop | args - list containing a single element, the file name
|
1771 | a8083063 | Iustin Pop | Opts used:
|
1772 | a8083063 | Iustin Pop | nodes - list containing the name of target nodes; if empty, all nodes
|
1773 | a8083063 | Iustin Pop |
|
1774 | a8083063 | Iustin Pop | """
|
1775 | a8083063 | Iustin Pop | filename = self.op.filename
|
1776 | a8083063 | Iustin Pop | |
1777 | 89e1fc26 | Iustin Pop | myname = utils.HostInfo().name |
1778 | a8083063 | Iustin Pop | |
1779 | a7ba5e53 | Iustin Pop | for node in self.nodes: |
1780 | a8083063 | Iustin Pop | if node == myname:
|
1781 | a8083063 | Iustin Pop | continue
|
1782 | c92b310a | Michael Hanselmann | if not self.ssh.CopyFileToNode(node, filename): |
1783 | a8083063 | Iustin Pop | logger.Error("Copy of file %s to node %s failed" % (filename, node))
|
1784 | a8083063 | Iustin Pop | |
1785 | a8083063 | Iustin Pop | |
1786 | a8083063 | Iustin Pop | class LUDumpClusterConfig(NoHooksLU): |
1787 | a8083063 | Iustin Pop | """Return a text-representation of the cluster-config.
|
1788 | a8083063 | Iustin Pop |
|
1789 | a8083063 | Iustin Pop | """
|
1790 | a8083063 | Iustin Pop | _OP_REQP = [] |
1791 | a8083063 | Iustin Pop | |
1792 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1793 | a8083063 | Iustin Pop | """No prerequisites.
|
1794 | a8083063 | Iustin Pop |
|
1795 | a8083063 | Iustin Pop | """
|
1796 | a8083063 | Iustin Pop | pass
|
1797 | a8083063 | Iustin Pop | |
1798 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1799 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
1800 | a8083063 | Iustin Pop |
|
1801 | a8083063 | Iustin Pop | """
|
1802 | a8083063 | Iustin Pop | return self.cfg.DumpConfig() |
1803 | a8083063 | Iustin Pop | |
1804 | a8083063 | Iustin Pop | |
1805 | a8083063 | Iustin Pop | class LURunClusterCommand(NoHooksLU): |
1806 | a8083063 | Iustin Pop | """Run a command on some nodes.
|
1807 | a8083063 | Iustin Pop |
|
1808 | a8083063 | Iustin Pop | """
|
1809 | a8083063 | Iustin Pop | _OP_REQP = ["command", "nodes"] |
1810 | a8083063 | Iustin Pop | |
1811 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1812 | a8083063 | Iustin Pop | """Check prerequisites.
|
1813 | a8083063 | Iustin Pop |
|
1814 | a8083063 | Iustin Pop | It checks that the given list of nodes is valid.
|
1815 | a8083063 | Iustin Pop |
|
1816 | a8083063 | Iustin Pop | """
|
1817 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1818 | a8083063 | Iustin Pop | |
1819 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1820 | a8083063 | Iustin Pop | """Run a command on some nodes.
|
1821 | a8083063 | Iustin Pop |
|
1822 | a8083063 | Iustin Pop | """
|
1823 | a8083063 | Iustin Pop | data = [] |
1824 | a8083063 | Iustin Pop | for node in self.nodes: |
1825 | c92b310a | Michael Hanselmann | result = self.ssh.Run(node, "root", self.op.command) |
1826 | a7ba5e53 | Iustin Pop | data.append((node, result.output, result.exit_code)) |
1827 | a8083063 | Iustin Pop | |
1828 | a8083063 | Iustin Pop | return data
|
1829 | a8083063 | Iustin Pop | |
1830 | a8083063 | Iustin Pop | |
1831 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
1832 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
1833 | a8083063 | Iustin Pop |
|
1834 | a8083063 | Iustin Pop | """
|
1835 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1836 | a8083063 | Iustin Pop | |
1837 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1838 | a8083063 | Iustin Pop | """Check prerequisites.
|
1839 | a8083063 | Iustin Pop |
|
1840 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1841 | a8083063 | Iustin Pop |
|
1842 | a8083063 | Iustin Pop | """
|
1843 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1844 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1845 | a8083063 | Iustin Pop | if instance is None: |
1846 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1847 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1848 | a8083063 | Iustin Pop | self.instance = instance
|
1849 | a8083063 | Iustin Pop | |
1850 | a8083063 | Iustin Pop | |
1851 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1852 | a8083063 | Iustin Pop | """Activate the disks.
|
1853 | a8083063 | Iustin Pop |
|
1854 | a8083063 | Iustin Pop | """
|
1855 | a8083063 | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self.instance, self.cfg) |
1856 | a8083063 | Iustin Pop | if not disks_ok: |
1857 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
1858 | a8083063 | Iustin Pop | |
1859 | a8083063 | Iustin Pop | return disks_info
|
1860 | a8083063 | Iustin Pop | |
1861 | a8083063 | Iustin Pop | |
1862 | a8083063 | Iustin Pop | def _AssembleInstanceDisks(instance, cfg, ignore_secondaries=False): |
1863 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
1864 | a8083063 | Iustin Pop |
|
1865 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
1866 | a8083063 | Iustin Pop |
|
1867 | a8083063 | Iustin Pop | Args:
|
1868 | a8083063 | Iustin Pop | instance: a ganeti.objects.Instance object
|
1869 | a8083063 | Iustin Pop | ignore_secondaries: if true, errors on secondary nodes won't result
|
1870 | a8083063 | Iustin Pop | in an error return from the function
|
1871 | a8083063 | Iustin Pop |
|
1872 | a8083063 | Iustin Pop | Returns:
|
1873 | a8083063 | Iustin Pop | false if the operation failed
|
1874 | a8083063 | Iustin Pop | list of (host, instance_visible_name, node_visible_name) if the operation
|
1875 | a8083063 | Iustin Pop | suceeded with the mapping from node devices to instance devices
|
1876 | a8083063 | Iustin Pop | """
|
1877 | a8083063 | Iustin Pop | device_info = [] |
1878 | a8083063 | Iustin Pop | disks_ok = True
|
1879 | fdbd668d | Iustin Pop | iname = instance.name |
1880 | fdbd668d | Iustin Pop | # With the two passes mechanism we try to reduce the window of
|
1881 | fdbd668d | Iustin Pop | # opportunity for the race condition of switching DRBD to primary
|
1882 | fdbd668d | Iustin Pop | # before handshaking occured, but we do not eliminate it
|
1883 | fdbd668d | Iustin Pop | |
1884 | fdbd668d | Iustin Pop | # The proper fix would be to wait (with some limits) until the
|
1885 | fdbd668d | Iustin Pop | # connection has been made and drbd transitions from WFConnection
|
1886 | fdbd668d | Iustin Pop | # into any other network-connected state (Connected, SyncTarget,
|
1887 | fdbd668d | Iustin Pop | # SyncSource, etc.)
|
1888 | fdbd668d | Iustin Pop | |
1889 | fdbd668d | Iustin Pop | # 1st pass, assemble on all nodes in secondary mode
|
1890 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
1891 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1892 | a8083063 | Iustin Pop | cfg.SetDiskID(node_disk, node) |
1893 | fdbd668d | Iustin Pop | result = rpc.call_blockdev_assemble(node, node_disk, iname, False)
|
1894 | a8083063 | Iustin Pop | if not result: |
1895 | f4bc1f2c | Michael Hanselmann | logger.Error("could not prepare block device %s on node %s"
|
1896 | fdbd668d | Iustin Pop | " (is_primary=False, pass=1)" % (inst_disk.iv_name, node))
|
1897 | fdbd668d | Iustin Pop | if not ignore_secondaries: |
1898 | a8083063 | Iustin Pop | disks_ok = False
|
1899 | fdbd668d | Iustin Pop | |
1900 | fdbd668d | Iustin Pop | # FIXME: race condition on drbd migration to primary
|
1901 | fdbd668d | Iustin Pop | |
1902 | fdbd668d | Iustin Pop | # 2nd pass, do only the primary node
|
1903 | fdbd668d | Iustin Pop | for inst_disk in instance.disks: |
1904 | fdbd668d | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1905 | fdbd668d | Iustin Pop | if node != instance.primary_node:
|
1906 | fdbd668d | Iustin Pop | continue
|
1907 | fdbd668d | Iustin Pop | cfg.SetDiskID(node_disk, node) |
1908 | fdbd668d | Iustin Pop | result = rpc.call_blockdev_assemble(node, node_disk, iname, True)
|
1909 | fdbd668d | Iustin Pop | if not result: |
1910 | fdbd668d | Iustin Pop | logger.Error("could not prepare block device %s on node %s"
|
1911 | fdbd668d | Iustin Pop | " (is_primary=True, pass=2)" % (inst_disk.iv_name, node))
|
1912 | fdbd668d | Iustin Pop | disks_ok = False
|
1913 | fdbd668d | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, result)) |
1914 | a8083063 | Iustin Pop | |
1915 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
1916 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
1917 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
1918 | b352ab5b | Iustin Pop | for disk in instance.disks: |
1919 | b352ab5b | Iustin Pop | cfg.SetDiskID(disk, instance.primary_node) |
1920 | b352ab5b | Iustin Pop | |
1921 | a8083063 | Iustin Pop | return disks_ok, device_info
|
1922 | a8083063 | Iustin Pop | |
1923 | a8083063 | Iustin Pop | |
1924 | fe7b0351 | Michael Hanselmann | def _StartInstanceDisks(cfg, instance, force): |
1925 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
1926 | 3ecf6786 | Iustin Pop |
|
1927 | 3ecf6786 | Iustin Pop | """
|
1928 | fe7b0351 | Michael Hanselmann | disks_ok, dummy = _AssembleInstanceDisks(instance, cfg, |
1929 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
1930 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
1931 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(instance, cfg) |
1932 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
1933 | fe7b0351 | Michael Hanselmann | logger.Error("If the message above refers to a secondary node,"
|
1934 | fe7b0351 | Michael Hanselmann | " you can retry the operation using '--force'.")
|
1935 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
1936 | fe7b0351 | Michael Hanselmann | |
1937 | fe7b0351 | Michael Hanselmann | |
1938 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
1939 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
1940 | a8083063 | Iustin Pop |
|
1941 | a8083063 | Iustin Pop | """
|
1942 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1943 | a8083063 | Iustin Pop | |
1944 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1945 | a8083063 | Iustin Pop | """Check prerequisites.
|
1946 | a8083063 | Iustin Pop |
|
1947 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1948 | a8083063 | Iustin Pop |
|
1949 | a8083063 | Iustin Pop | """
|
1950 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1951 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1952 | a8083063 | Iustin Pop | if instance is None: |
1953 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1954 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1955 | a8083063 | Iustin Pop | self.instance = instance
|
1956 | a8083063 | Iustin Pop | |
1957 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1958 | a8083063 | Iustin Pop | """Deactivate the disks
|
1959 | a8083063 | Iustin Pop |
|
1960 | a8083063 | Iustin Pop | """
|
1961 | a8083063 | Iustin Pop | instance = self.instance
|
1962 | a8083063 | Iustin Pop | ins_l = rpc.call_instance_list([instance.primary_node]) |
1963 | a8083063 | Iustin Pop | ins_l = ins_l[instance.primary_node] |
1964 | a8083063 | Iustin Pop | if not type(ins_l) is list: |
1965 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't contact node '%s'" % |
1966 | 3ecf6786 | Iustin Pop | instance.primary_node) |
1967 | a8083063 | Iustin Pop | |
1968 | a8083063 | Iustin Pop | if self.instance.name in ins_l: |
1969 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance is running, can't shutdown" |
1970 | 3ecf6786 | Iustin Pop | " block devices.")
|
1971 | a8083063 | Iustin Pop | |
1972 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
1973 | a8083063 | Iustin Pop | |
1974 | a8083063 | Iustin Pop | |
1975 | a8083063 | Iustin Pop | def _ShutdownInstanceDisks(instance, cfg, ignore_primary=False): |
1976 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
1977 | a8083063 | Iustin Pop |
|
1978 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
1979 | a8083063 | Iustin Pop |
|
1980 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
1981 | a8083063 | Iustin Pop | ignored.
|
1982 | a8083063 | Iustin Pop |
|
1983 | a8083063 | Iustin Pop | """
|
1984 | a8083063 | Iustin Pop | result = True
|
1985 | a8083063 | Iustin Pop | for disk in instance.disks: |
1986 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
1987 | a8083063 | Iustin Pop | cfg.SetDiskID(top_disk, node) |
1988 | a8083063 | Iustin Pop | if not rpc.call_blockdev_shutdown(node, top_disk): |
1989 | a8083063 | Iustin Pop | logger.Error("could not shutdown block device %s on node %s" %
|
1990 | a8083063 | Iustin Pop | (disk.iv_name, node)) |
1991 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
1992 | a8083063 | Iustin Pop | result = False
|
1993 | a8083063 | Iustin Pop | return result
|
1994 | a8083063 | Iustin Pop | |
1995 | a8083063 | Iustin Pop | |
1996 | d4f16fd9 | Iustin Pop | def _CheckNodeFreeMemory(cfg, node, reason, requested): |
1997 | d4f16fd9 | Iustin Pop | """Checks if a node has enough free memory.
|
1998 | d4f16fd9 | Iustin Pop |
|
1999 | d4f16fd9 | Iustin Pop | This function check if a given node has the needed amount of free
|
2000 | d4f16fd9 | Iustin Pop | memory. In case the node has less memory or we cannot get the
|
2001 | d4f16fd9 | Iustin Pop | information from the node, this function raise an OpPrereqError
|
2002 | d4f16fd9 | Iustin Pop | exception.
|
2003 | d4f16fd9 | Iustin Pop |
|
2004 | d4f16fd9 | Iustin Pop | Args:
|
2005 | d4f16fd9 | Iustin Pop | - cfg: a ConfigWriter instance
|
2006 | d4f16fd9 | Iustin Pop | - node: the node name
|
2007 | d4f16fd9 | Iustin Pop | - reason: string to use in the error message
|
2008 | d4f16fd9 | Iustin Pop | - requested: the amount of memory in MiB
|
2009 | d4f16fd9 | Iustin Pop |
|
2010 | d4f16fd9 | Iustin Pop | """
|
2011 | d4f16fd9 | Iustin Pop | nodeinfo = rpc.call_node_info([node], cfg.GetVGName()) |
2012 | d4f16fd9 | Iustin Pop | if not nodeinfo or not isinstance(nodeinfo, dict): |
2013 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Could not contact node %s for resource" |
2014 | d4f16fd9 | Iustin Pop | " information" % (node,))
|
2015 | d4f16fd9 | Iustin Pop | |
2016 | d4f16fd9 | Iustin Pop | free_mem = nodeinfo[node].get('memory_free')
|
2017 | d4f16fd9 | Iustin Pop | if not isinstance(free_mem, int): |
2018 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Can't compute free memory on node %s, result" |
2019 | d4f16fd9 | Iustin Pop | " was '%s'" % (node, free_mem))
|
2020 | d4f16fd9 | Iustin Pop | if requested > free_mem:
|
2021 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on node %s for %s:" |
2022 | d4f16fd9 | Iustin Pop | " needed %s MiB, available %s MiB" %
|
2023 | d4f16fd9 | Iustin Pop | (node, reason, requested, free_mem)) |
2024 | d4f16fd9 | Iustin Pop | |
2025 | d4f16fd9 | Iustin Pop | |
2026 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
2027 | a8083063 | Iustin Pop | """Starts an instance.
|
2028 | a8083063 | Iustin Pop |
|
2029 | a8083063 | Iustin Pop | """
|
2030 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
2031 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2032 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
2033 | a8083063 | Iustin Pop | |
2034 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2035 | a8083063 | Iustin Pop | """Build hooks env.
|
2036 | a8083063 | Iustin Pop |
|
2037 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2038 | a8083063 | Iustin Pop |
|
2039 | a8083063 | Iustin Pop | """
|
2040 | a8083063 | Iustin Pop | env = { |
2041 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
2042 | a8083063 | Iustin Pop | } |
2043 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2044 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2045 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2046 | a8083063 | Iustin Pop | return env, nl, nl
|
2047 | a8083063 | Iustin Pop | |
2048 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2049 | a8083063 | Iustin Pop | """Check prerequisites.
|
2050 | a8083063 | Iustin Pop |
|
2051 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2052 | a8083063 | Iustin Pop |
|
2053 | a8083063 | Iustin Pop | """
|
2054 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2055 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2056 | a8083063 | Iustin Pop | if instance is None: |
2057 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2058 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2059 | a8083063 | Iustin Pop | |
2060 | a8083063 | Iustin Pop | # check bridges existance
|
2061 | bf6929a2 | Alexander Schreiber | _CheckInstanceBridgesExist(instance) |
2062 | a8083063 | Iustin Pop | |
2063 | d4f16fd9 | Iustin Pop | _CheckNodeFreeMemory(self.cfg, instance.primary_node,
|
2064 | d4f16fd9 | Iustin Pop | "starting instance %s" % instance.name,
|
2065 | d4f16fd9 | Iustin Pop | instance.memory) |
2066 | d4f16fd9 | Iustin Pop | |
2067 | a8083063 | Iustin Pop | self.instance = instance
|
2068 | a8083063 | Iustin Pop | self.op.instance_name = instance.name
|
2069 | a8083063 | Iustin Pop | |
2070 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2071 | a8083063 | Iustin Pop | """Start the instance.
|
2072 | a8083063 | Iustin Pop |
|
2073 | a8083063 | Iustin Pop | """
|
2074 | a8083063 | Iustin Pop | instance = self.instance
|
2075 | a8083063 | Iustin Pop | force = self.op.force
|
2076 | a8083063 | Iustin Pop | extra_args = getattr(self.op, "extra_args", "") |
2077 | a8083063 | Iustin Pop | |
2078 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2079 | a8083063 | Iustin Pop | |
2080 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, instance, force)
|
2081 | a8083063 | Iustin Pop | |
2082 | a8083063 | Iustin Pop | if not rpc.call_instance_start(node_current, instance, extra_args): |
2083 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2084 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
2085 | a8083063 | Iustin Pop | |
2086 | a8083063 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
2087 | a8083063 | Iustin Pop | |
2088 | a8083063 | Iustin Pop | |
2089 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
2090 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
2091 | bf6929a2 | Alexander Schreiber |
|
2092 | bf6929a2 | Alexander Schreiber | """
|
2093 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
2094 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
2095 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
2096 | bf6929a2 | Alexander Schreiber | |
2097 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
2098 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
2099 | bf6929a2 | Alexander Schreiber |
|
2100 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
2101 | bf6929a2 | Alexander Schreiber |
|
2102 | bf6929a2 | Alexander Schreiber | """
|
2103 | bf6929a2 | Alexander Schreiber | env = { |
2104 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
2105 | bf6929a2 | Alexander Schreiber | } |
2106 | bf6929a2 | Alexander Schreiber | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2107 | bf6929a2 | Alexander Schreiber | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2108 | bf6929a2 | Alexander Schreiber | list(self.instance.secondary_nodes)) |
2109 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
2110 | bf6929a2 | Alexander Schreiber | |
2111 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
2112 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
2113 | bf6929a2 | Alexander Schreiber |
|
2114 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
2115 | bf6929a2 | Alexander Schreiber |
|
2116 | bf6929a2 | Alexander Schreiber | """
|
2117 | bf6929a2 | Alexander Schreiber | instance = self.cfg.GetInstanceInfo(
|
2118 | bf6929a2 | Alexander Schreiber | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2119 | bf6929a2 | Alexander Schreiber | if instance is None: |
2120 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("Instance '%s' not known" % |
2121 | bf6929a2 | Alexander Schreiber | self.op.instance_name)
|
2122 | bf6929a2 | Alexander Schreiber | |
2123 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
2124 | bf6929a2 | Alexander Schreiber | _CheckInstanceBridgesExist(instance) |
2125 | bf6929a2 | Alexander Schreiber | |
2126 | bf6929a2 | Alexander Schreiber | self.instance = instance
|
2127 | bf6929a2 | Alexander Schreiber | self.op.instance_name = instance.name
|
2128 | bf6929a2 | Alexander Schreiber | |
2129 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
2130 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
2131 | bf6929a2 | Alexander Schreiber |
|
2132 | bf6929a2 | Alexander Schreiber | """
|
2133 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
2134 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
2135 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
2136 | bf6929a2 | Alexander Schreiber | extra_args = getattr(self.op, "extra_args", "") |
2137 | bf6929a2 | Alexander Schreiber | |
2138 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
2139 | bf6929a2 | Alexander Schreiber | |
2140 | bf6929a2 | Alexander Schreiber | if reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
2141 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD, |
2142 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_FULL]: |
2143 | bf6929a2 | Alexander Schreiber | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
2144 | bf6929a2 | Alexander Schreiber | (constants.INSTANCE_REBOOT_SOFT, |
2145 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD, |
2146 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_FULL)) |
2147 | bf6929a2 | Alexander Schreiber | |
2148 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
2149 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
2150 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_reboot(node_current, instance, |
2151 | bf6929a2 | Alexander Schreiber | reboot_type, extra_args): |
2152 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not reboot instance") |
2153 | bf6929a2 | Alexander Schreiber | else:
|
2154 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_shutdown(node_current, instance): |
2155 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("could not shutdown instance for full reboot") |
2156 | bf6929a2 | Alexander Schreiber | _ShutdownInstanceDisks(instance, self.cfg)
|
2157 | bf6929a2 | Alexander Schreiber | _StartInstanceDisks(self.cfg, instance, ignore_secondaries)
|
2158 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_start(node_current, instance, extra_args): |
2159 | bf6929a2 | Alexander Schreiber | _ShutdownInstanceDisks(instance, self.cfg)
|
2160 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not start instance for full reboot") |
2161 | bf6929a2 | Alexander Schreiber | |
2162 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
2163 | bf6929a2 | Alexander Schreiber | |
2164 | bf6929a2 | Alexander Schreiber | |
2165 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
2166 | a8083063 | Iustin Pop | """Shutdown an instance.
|
2167 | a8083063 | Iustin Pop |
|
2168 | a8083063 | Iustin Pop | """
|
2169 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
2170 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2171 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2172 | a8083063 | Iustin Pop | |
2173 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2174 | a8083063 | Iustin Pop | """Build hooks env.
|
2175 | a8083063 | Iustin Pop |
|
2176 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2177 | a8083063 | Iustin Pop |
|
2178 | a8083063 | Iustin Pop | """
|
2179 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2180 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2181 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2182 | a8083063 | Iustin Pop | return env, nl, nl
|
2183 | a8083063 | Iustin Pop | |
2184 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2185 | a8083063 | Iustin Pop | """Check prerequisites.
|
2186 | a8083063 | Iustin Pop |
|
2187 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2188 | a8083063 | Iustin Pop |
|
2189 | a8083063 | Iustin Pop | """
|
2190 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2191 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2192 | a8083063 | Iustin Pop | if instance is None: |
2193 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2194 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2195 | a8083063 | Iustin Pop | self.instance = instance
|
2196 | a8083063 | Iustin Pop | |
2197 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2198 | a8083063 | Iustin Pop | """Shutdown the instance.
|
2199 | a8083063 | Iustin Pop |
|
2200 | a8083063 | Iustin Pop | """
|
2201 | a8083063 | Iustin Pop | instance = self.instance
|
2202 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2203 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(node_current, instance): |
2204 | a8083063 | Iustin Pop | logger.Error("could not shutdown instance")
|
2205 | a8083063 | Iustin Pop | |
2206 | a8083063 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
2207 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2208 | a8083063 | Iustin Pop | |
2209 | a8083063 | Iustin Pop | |
2210 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
2211 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
2212 | fe7b0351 | Michael Hanselmann |
|
2213 | fe7b0351 | Michael Hanselmann | """
|
2214 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
2215 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
2216 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
2217 | fe7b0351 | Michael Hanselmann | |
2218 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
2219 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
2220 | fe7b0351 | Michael Hanselmann |
|
2221 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
2222 | fe7b0351 | Michael Hanselmann |
|
2223 | fe7b0351 | Michael Hanselmann | """
|
2224 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2225 | fe7b0351 | Michael Hanselmann | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2226 | fe7b0351 | Michael Hanselmann | list(self.instance.secondary_nodes)) |
2227 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
2228 | fe7b0351 | Michael Hanselmann | |
2229 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
2230 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
2231 | fe7b0351 | Michael Hanselmann |
|
2232 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
2233 | fe7b0351 | Michael Hanselmann |
|
2234 | fe7b0351 | Michael Hanselmann | """
|
2235 | fe7b0351 | Michael Hanselmann | instance = self.cfg.GetInstanceInfo(
|
2236 | fe7b0351 | Michael Hanselmann | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2237 | fe7b0351 | Michael Hanselmann | if instance is None: |
2238 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2239 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2240 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
2241 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
2242 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2243 | fe7b0351 | Michael Hanselmann | if instance.status != "down": |
2244 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2245 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2246 | fe7b0351 | Michael Hanselmann | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2247 | fe7b0351 | Michael Hanselmann | if remote_info:
|
2248 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2249 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
2250 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
2251 | d0834de3 | Michael Hanselmann | |
2252 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
2253 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2254 | d0834de3 | Michael Hanselmann | # OS verification
|
2255 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
2256 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
2257 | d0834de3 | Michael Hanselmann | if pnode is None: |
2258 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2259 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2260 | 00fe9e38 | Guido Trotter | os_obj = rpc.call_os_get(pnode.name, self.op.os_type)
|
2261 | dfa96ded | Guido Trotter | if not os_obj: |
2262 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported OS list for" |
2263 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2264 | d0834de3 | Michael Hanselmann | |
2265 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
2266 | fe7b0351 | Michael Hanselmann | |
2267 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
2268 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
2269 | fe7b0351 | Michael Hanselmann |
|
2270 | fe7b0351 | Michael Hanselmann | """
|
2271 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
2272 | fe7b0351 | Michael Hanselmann | |
2273 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2274 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
2275 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
2276 | d0834de3 | Michael Hanselmann | self.cfg.AddInstance(inst)
|
2277 | d0834de3 | Michael Hanselmann | |
2278 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, inst, None) |
2279 | fe7b0351 | Michael Hanselmann | try:
|
2280 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
2281 | fe7b0351 | Michael Hanselmann | if not rpc.call_instance_os_add(inst.primary_node, inst, "sda", "sdb"): |
2282 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Could not install OS for instance %s" |
2283 | f4bc1f2c | Michael Hanselmann | " on node %s" %
|
2284 | 3ecf6786 | Iustin Pop | (inst.name, inst.primary_node)) |
2285 | fe7b0351 | Michael Hanselmann | finally:
|
2286 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(inst, self.cfg)
|
2287 | fe7b0351 | Michael Hanselmann | |
2288 | fe7b0351 | Michael Hanselmann | |
2289 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
2290 | decd5f45 | Iustin Pop | """Rename an instance.
|
2291 | decd5f45 | Iustin Pop |
|
2292 | decd5f45 | Iustin Pop | """
|
2293 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
2294 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2295 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
2296 | decd5f45 | Iustin Pop | |
2297 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
2298 | decd5f45 | Iustin Pop | """Build hooks env.
|
2299 | decd5f45 | Iustin Pop |
|
2300 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2301 | decd5f45 | Iustin Pop |
|
2302 | decd5f45 | Iustin Pop | """
|
2303 | decd5f45 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self.instance)
|
2304 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
2305 | decd5f45 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2306 | decd5f45 | Iustin Pop | list(self.instance.secondary_nodes)) |
2307 | decd5f45 | Iustin Pop | return env, nl, nl
|
2308 | decd5f45 | Iustin Pop | |
2309 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
2310 | decd5f45 | Iustin Pop | """Check prerequisites.
|
2311 | decd5f45 | Iustin Pop |
|
2312 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
2313 | decd5f45 | Iustin Pop |
|
2314 | decd5f45 | Iustin Pop | """
|
2315 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2316 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2317 | decd5f45 | Iustin Pop | if instance is None: |
2318 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2319 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2320 | decd5f45 | Iustin Pop | if instance.status != "down": |
2321 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2322 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2323 | decd5f45 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2324 | decd5f45 | Iustin Pop | if remote_info:
|
2325 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2326 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
2327 | decd5f45 | Iustin Pop | instance.primary_node)) |
2328 | decd5f45 | Iustin Pop | self.instance = instance
|
2329 | decd5f45 | Iustin Pop | |
2330 | decd5f45 | Iustin Pop | # new name verification
|
2331 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
2332 | decd5f45 | Iustin Pop | |
2333 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
2334 | 7bde3275 | Guido Trotter | instance_list = self.cfg.GetInstanceList()
|
2335 | 7bde3275 | Guido Trotter | if new_name in instance_list: |
2336 | 7bde3275 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
2337 | 7bde3275 | Guido Trotter | instance_name) |
2338 | 7bde3275 | Guido Trotter | |
2339 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
2340 | 89e1fc26 | Iustin Pop | command = ["fping", "-q", name_info.ip] |
2341 | decd5f45 | Iustin Pop | result = utils.RunCmd(command) |
2342 | decd5f45 | Iustin Pop | if not result.failed: |
2343 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
2344 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
2345 | decd5f45 | Iustin Pop | |
2346 | decd5f45 | Iustin Pop | |
2347 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
2348 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
2349 | decd5f45 | Iustin Pop |
|
2350 | decd5f45 | Iustin Pop | """
|
2351 | decd5f45 | Iustin Pop | inst = self.instance
|
2352 | decd5f45 | Iustin Pop | old_name = inst.name |
2353 | decd5f45 | Iustin Pop | |
2354 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
2355 | decd5f45 | Iustin Pop | |
2356 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
2357 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
2358 | decd5f45 | Iustin Pop | |
2359 | decd5f45 | Iustin Pop | _StartInstanceDisks(self.cfg, inst, None) |
2360 | decd5f45 | Iustin Pop | try:
|
2361 | decd5f45 | Iustin Pop | if not rpc.call_instance_run_rename(inst.primary_node, inst, old_name, |
2362 | decd5f45 | Iustin Pop | "sda", "sdb"): |
2363 | f4bc1f2c | Michael Hanselmann | msg = ("Could run OS rename script for instance %s on node %s (but the"
|
2364 | f4bc1f2c | Michael Hanselmann | " instance has been renamed in Ganeti)" %
|
2365 | decd5f45 | Iustin Pop | (inst.name, inst.primary_node)) |
2366 | decd5f45 | Iustin Pop | logger.Error(msg) |
2367 | decd5f45 | Iustin Pop | finally:
|
2368 | decd5f45 | Iustin Pop | _ShutdownInstanceDisks(inst, self.cfg)
|
2369 | decd5f45 | Iustin Pop | |
2370 | decd5f45 | Iustin Pop | |
2371 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
2372 | a8083063 | Iustin Pop | """Remove an instance.
|
2373 | a8083063 | Iustin Pop |
|
2374 | a8083063 | Iustin Pop | """
|
2375 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
2376 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2377 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2378 | a8083063 | Iustin Pop | |
2379 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2380 | a8083063 | Iustin Pop | """Build hooks env.
|
2381 | a8083063 | Iustin Pop |
|
2382 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2383 | a8083063 | Iustin Pop |
|
2384 | a8083063 | Iustin Pop | """
|
2385 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2386 | 1d67656e | Iustin Pop | nl = [self.sstore.GetMasterNode()]
|
2387 | a8083063 | Iustin Pop | return env, nl, nl
|
2388 | a8083063 | Iustin Pop | |
2389 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2390 | a8083063 | Iustin Pop | """Check prerequisites.
|
2391 | a8083063 | Iustin Pop |
|
2392 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2393 | a8083063 | Iustin Pop |
|
2394 | a8083063 | Iustin Pop | """
|
2395 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2396 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2397 | a8083063 | Iustin Pop | if instance is None: |
2398 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2399 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2400 | a8083063 | Iustin Pop | self.instance = instance
|
2401 | a8083063 | Iustin Pop | |
2402 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2403 | a8083063 | Iustin Pop | """Remove the instance.
|
2404 | a8083063 | Iustin Pop |
|
2405 | a8083063 | Iustin Pop | """
|
2406 | a8083063 | Iustin Pop | instance = self.instance
|
2407 | a8083063 | Iustin Pop | logger.Info("shutting down instance %s on node %s" %
|
2408 | a8083063 | Iustin Pop | (instance.name, instance.primary_node)) |
2409 | a8083063 | Iustin Pop | |
2410 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(instance.primary_node, instance): |
2411 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2412 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't shutdown instance")
|
2413 | 1d67656e | Iustin Pop | else:
|
2414 | 1d67656e | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2415 | 1d67656e | Iustin Pop | (instance.name, instance.primary_node)) |
2416 | a8083063 | Iustin Pop | |
2417 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2418 | a8083063 | Iustin Pop | |
2419 | 1d67656e | Iustin Pop | if not _RemoveDisks(instance, self.cfg): |
2420 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2421 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
2422 | 1d67656e | Iustin Pop | else:
|
2423 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
2424 | a8083063 | Iustin Pop | |
2425 | a8083063 | Iustin Pop | logger.Info("removing instance %s out of cluster config" % instance.name)
|
2426 | a8083063 | Iustin Pop | |
2427 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
2428 | a8083063 | Iustin Pop | |
2429 | a8083063 | Iustin Pop | |
2430 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
2431 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
2432 | a8083063 | Iustin Pop |
|
2433 | a8083063 | Iustin Pop | """
|
2434 | 069dcc86 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
2435 | a8083063 | Iustin Pop | |
2436 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2437 | a8083063 | Iustin Pop | """Check prerequisites.
|
2438 | a8083063 | Iustin Pop |
|
2439 | a8083063 | Iustin Pop | This checks that the fields required are valid output fields.
|
2440 | a8083063 | Iustin Pop |
|
2441 | a8083063 | Iustin Pop | """
|
2442 | d8052456 | Iustin Pop | self.dynamic_fields = frozenset(["oper_state", "oper_ram", "status"]) |
2443 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["name", "os", "pnode", "snodes", |
2444 | dcb93971 | Michael Hanselmann | "admin_state", "admin_ram", |
2445 | 644eeef9 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
2446 | d6d415e8 | Iustin Pop | "sda_size", "sdb_size", "vcpus"], |
2447 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
2448 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2449 | a8083063 | Iustin Pop | |
2450 | 069dcc86 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
2451 | 069dcc86 | Iustin Pop | |
2452 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2453 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2454 | a8083063 | Iustin Pop |
|
2455 | a8083063 | Iustin Pop | """
|
2456 | 069dcc86 | Iustin Pop | instance_names = self.wanted
|
2457 | a8083063 | Iustin Pop | instance_list = [self.cfg.GetInstanceInfo(iname) for iname |
2458 | a8083063 | Iustin Pop | in instance_names]
|
2459 | a8083063 | Iustin Pop | |
2460 | a8083063 | Iustin Pop | # begin data gathering
|
2461 | a8083063 | Iustin Pop | |
2462 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
2463 | a8083063 | Iustin Pop | |
2464 | a8083063 | Iustin Pop | bad_nodes = [] |
2465 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
2466 | a8083063 | Iustin Pop | live_data = {} |
2467 | a8083063 | Iustin Pop | node_data = rpc.call_all_instances_info(nodes) |
2468 | a8083063 | Iustin Pop | for name in nodes: |
2469 | a8083063 | Iustin Pop | result = node_data[name] |
2470 | a8083063 | Iustin Pop | if result:
|
2471 | a8083063 | Iustin Pop | live_data.update(result) |
2472 | a8083063 | Iustin Pop | elif result == False: |
2473 | a8083063 | Iustin Pop | bad_nodes.append(name) |
2474 | a8083063 | Iustin Pop | # else no instance is alive
|
2475 | a8083063 | Iustin Pop | else:
|
2476 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
2477 | a8083063 | Iustin Pop | |
2478 | a8083063 | Iustin Pop | # end data gathering
|
2479 | a8083063 | Iustin Pop | |
2480 | a8083063 | Iustin Pop | output = [] |
2481 | a8083063 | Iustin Pop | for instance in instance_list: |
2482 | a8083063 | Iustin Pop | iout = [] |
2483 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2484 | a8083063 | Iustin Pop | if field == "name": |
2485 | a8083063 | Iustin Pop | val = instance.name |
2486 | a8083063 | Iustin Pop | elif field == "os": |
2487 | a8083063 | Iustin Pop | val = instance.os |
2488 | a8083063 | Iustin Pop | elif field == "pnode": |
2489 | a8083063 | Iustin Pop | val = instance.primary_node |
2490 | a8083063 | Iustin Pop | elif field == "snodes": |
2491 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
2492 | a8083063 | Iustin Pop | elif field == "admin_state": |
2493 | 8a23d2d3 | Iustin Pop | val = (instance.status != "down")
|
2494 | a8083063 | Iustin Pop | elif field == "oper_state": |
2495 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2496 | 8a23d2d3 | Iustin Pop | val = None
|
2497 | a8083063 | Iustin Pop | else:
|
2498 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
2499 | d8052456 | Iustin Pop | elif field == "status": |
2500 | d8052456 | Iustin Pop | if instance.primary_node in bad_nodes: |
2501 | d8052456 | Iustin Pop | val = "ERROR_nodedown"
|
2502 | d8052456 | Iustin Pop | else:
|
2503 | d8052456 | Iustin Pop | running = bool(live_data.get(instance.name))
|
2504 | d8052456 | Iustin Pop | if running:
|
2505 | d8052456 | Iustin Pop | if instance.status != "down": |
2506 | d8052456 | Iustin Pop | val = "running"
|
2507 | d8052456 | Iustin Pop | else:
|
2508 | d8052456 | Iustin Pop | val = "ERROR_up"
|
2509 | d8052456 | Iustin Pop | else:
|
2510 | d8052456 | Iustin Pop | if instance.status != "down": |
2511 | d8052456 | Iustin Pop | val = "ERROR_down"
|
2512 | d8052456 | Iustin Pop | else:
|
2513 | d8052456 | Iustin Pop | val = "ADMIN_down"
|
2514 | a8083063 | Iustin Pop | elif field == "admin_ram": |
2515 | a8083063 | Iustin Pop | val = instance.memory |
2516 | a8083063 | Iustin Pop | elif field == "oper_ram": |
2517 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2518 | 8a23d2d3 | Iustin Pop | val = None
|
2519 | a8083063 | Iustin Pop | elif instance.name in live_data: |
2520 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
2521 | a8083063 | Iustin Pop | else:
|
2522 | a8083063 | Iustin Pop | val = "-"
|
2523 | a8083063 | Iustin Pop | elif field == "disk_template": |
2524 | a8083063 | Iustin Pop | val = instance.disk_template |
2525 | a8083063 | Iustin Pop | elif field == "ip": |
2526 | a8083063 | Iustin Pop | val = instance.nics[0].ip
|
2527 | a8083063 | Iustin Pop | elif field == "bridge": |
2528 | a8083063 | Iustin Pop | val = instance.nics[0].bridge
|
2529 | a8083063 | Iustin Pop | elif field == "mac": |
2530 | a8083063 | Iustin Pop | val = instance.nics[0].mac
|
2531 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
2532 | 644eeef9 | Iustin Pop | disk = instance.FindDisk(field[:3])
|
2533 | 644eeef9 | Iustin Pop | if disk is None: |
2534 | 8a23d2d3 | Iustin Pop | val = None
|
2535 | 644eeef9 | Iustin Pop | else:
|
2536 | 644eeef9 | Iustin Pop | val = disk.size |
2537 | d6d415e8 | Iustin Pop | elif field == "vcpus": |
2538 | d6d415e8 | Iustin Pop | val = instance.vcpus |
2539 | a8083063 | Iustin Pop | else:
|
2540 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2541 | a8083063 | Iustin Pop | iout.append(val) |
2542 | a8083063 | Iustin Pop | output.append(iout) |
2543 | a8083063 | Iustin Pop | |
2544 | a8083063 | Iustin Pop | return output
|
2545 | a8083063 | Iustin Pop | |
2546 | a8083063 | Iustin Pop | |
2547 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
2548 | a8083063 | Iustin Pop | """Failover an instance.
|
2549 | a8083063 | Iustin Pop |
|
2550 | a8083063 | Iustin Pop | """
|
2551 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
2552 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2553 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
2554 | a8083063 | Iustin Pop | |
2555 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2556 | a8083063 | Iustin Pop | """Build hooks env.
|
2557 | a8083063 | Iustin Pop |
|
2558 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2559 | a8083063 | Iustin Pop |
|
2560 | a8083063 | Iustin Pop | """
|
2561 | a8083063 | Iustin Pop | env = { |
2562 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
2563 | a8083063 | Iustin Pop | } |
2564 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2565 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode()] + list(self.instance.secondary_nodes) |
2566 | a8083063 | Iustin Pop | return env, nl, nl
|
2567 | a8083063 | Iustin Pop | |
2568 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2569 | a8083063 | Iustin Pop | """Check prerequisites.
|
2570 | a8083063 | Iustin Pop |
|
2571 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2572 | a8083063 | Iustin Pop |
|
2573 | a8083063 | Iustin Pop | """
|
2574 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2575 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2576 | a8083063 | Iustin Pop | if instance is None: |
2577 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2578 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2579 | a8083063 | Iustin Pop | |
2580 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
2581 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
2582 | a1f445d3 | Iustin Pop | " network mirrored, cannot failover.")
|
2583 | 2a710df1 | Michael Hanselmann | |
2584 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
2585 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
2586 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
2587 | 2a710df1 | Michael Hanselmann | "DT_REMOTE_RAID1 template")
|
2588 | 2a710df1 | Michael Hanselmann | |
2589 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
2590 | d4f16fd9 | Iustin Pop | # check memory requirements on the secondary node
|
2591 | d4f16fd9 | Iustin Pop | _CheckNodeFreeMemory(self.cfg, target_node, "failing over instance %s" % |
2592 | d4f16fd9 | Iustin Pop | instance.name, instance.memory) |
2593 | 3a7c308e | Guido Trotter | |
2594 | a8083063 | Iustin Pop | # check bridge existance
|
2595 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
2596 | 50ff9a7a | Iustin Pop | if not rpc.call_bridges_exist(target_node, brlist): |
2597 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
2598 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
2599 | 50ff9a7a | Iustin Pop | (brlist, target_node)) |
2600 | a8083063 | Iustin Pop | |
2601 | a8083063 | Iustin Pop | self.instance = instance
|
2602 | a8083063 | Iustin Pop | |
2603 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2604 | a8083063 | Iustin Pop | """Failover an instance.
|
2605 | a8083063 | Iustin Pop |
|
2606 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
2607 | a8083063 | Iustin Pop | starting it on the secondary.
|
2608 | a8083063 | Iustin Pop |
|
2609 | a8083063 | Iustin Pop | """
|
2610 | a8083063 | Iustin Pop | instance = self.instance
|
2611 | a8083063 | Iustin Pop | |
2612 | a8083063 | Iustin Pop | source_node = instance.primary_node |
2613 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
2614 | a8083063 | Iustin Pop | |
2615 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
2616 | a8083063 | Iustin Pop | for dev in instance.disks: |
2617 | a8083063 | Iustin Pop | # for remote_raid1, these are md over drbd
|
2618 | a8083063 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, target_node, False): |
2619 | a8083063 | Iustin Pop | if not self.op.ignore_consistency: |
2620 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
2621 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
2622 | a8083063 | Iustin Pop | |
2623 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
2624 | a8083063 | Iustin Pop | logger.Info("Shutting down instance %s on node %s" %
|
2625 | a8083063 | Iustin Pop | (instance.name, source_node)) |
2626 | a8083063 | Iustin Pop | |
2627 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(source_node, instance): |
2628 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
2629 | 24a40d57 | Iustin Pop | logger.Error("Could not shutdown instance %s on node %s. Proceeding"
|
2630 | 24a40d57 | Iustin Pop | " anyway. Please make sure node %s is down" %
|
2631 | 24a40d57 | Iustin Pop | (instance.name, source_node, source_node)) |
2632 | 24a40d57 | Iustin Pop | else:
|
2633 | 24a40d57 | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2634 | 24a40d57 | Iustin Pop | (instance.name, source_node)) |
2635 | a8083063 | Iustin Pop | |
2636 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
2637 | a8083063 | Iustin Pop | if not _ShutdownInstanceDisks(instance, self.cfg, ignore_primary=True): |
2638 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
2639 | a8083063 | Iustin Pop | |
2640 | a8083063 | Iustin Pop | instance.primary_node = target_node |
2641 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
2642 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
2643 | a8083063 | Iustin Pop | |
2644 | a8083063 | Iustin Pop | feedback_fn("* activating the instance's disks on target node")
|
2645 | a8083063 | Iustin Pop | logger.Info("Starting instance %s on node %s" %
|
2646 | a8083063 | Iustin Pop | (instance.name, target_node)) |
2647 | a8083063 | Iustin Pop | |
2648 | a8083063 | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(instance, self.cfg,
|
2649 | a8083063 | Iustin Pop | ignore_secondaries=True)
|
2650 | a8083063 | Iustin Pop | if not disks_ok: |
2651 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2652 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't activate the instance's disks") |
2653 | a8083063 | Iustin Pop | |
2654 | a8083063 | Iustin Pop | feedback_fn("* starting the instance on the target node")
|
2655 | a8083063 | Iustin Pop | if not rpc.call_instance_start(target_node, instance, None): |
2656 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2657 | a8083063 | Iustin Pop | raise errors.OpExecError("Could not start instance %s on node %s." % |
2658 | d0b3526f | Michael Hanselmann | (instance.name, target_node)) |
2659 | a8083063 | Iustin Pop | |
2660 | a8083063 | Iustin Pop | |
2661 | 3f78eef2 | Iustin Pop | def _CreateBlockDevOnPrimary(cfg, node, instance, device, info): |
2662 | a8083063 | Iustin Pop | """Create a tree of block devices on the primary node.
|
2663 | a8083063 | Iustin Pop |
|
2664 | a8083063 | Iustin Pop | This always creates all devices.
|
2665 | a8083063 | Iustin Pop |
|
2666 | a8083063 | Iustin Pop | """
|
2667 | a8083063 | Iustin Pop | if device.children:
|
2668 | a8083063 | Iustin Pop | for child in device.children: |
2669 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, node, instance, child, info): |
2670 | a8083063 | Iustin Pop | return False |
2671 | a8083063 | Iustin Pop | |
2672 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2673 | 3f78eef2 | Iustin Pop | new_id = rpc.call_blockdev_create(node, device, device.size, |
2674 | 3f78eef2 | Iustin Pop | instance.name, True, info)
|
2675 | a8083063 | Iustin Pop | if not new_id: |
2676 | a8083063 | Iustin Pop | return False |
2677 | a8083063 | Iustin Pop | if device.physical_id is None: |
2678 | a8083063 | Iustin Pop | device.physical_id = new_id |
2679 | a8083063 | Iustin Pop | return True |
2680 | a8083063 | Iustin Pop | |
2681 | a8083063 | Iustin Pop | |
2682 | 3f78eef2 | Iustin Pop | def _CreateBlockDevOnSecondary(cfg, node, instance, device, force, info): |
2683 | a8083063 | Iustin Pop | """Create a tree of block devices on a secondary node.
|
2684 | a8083063 | Iustin Pop |
|
2685 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
2686 | a8083063 | Iustin Pop | all its children.
|
2687 | a8083063 | Iustin Pop |
|
2688 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
2689 | a8083063 | Iustin Pop |
|
2690 | a8083063 | Iustin Pop | """
|
2691 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
2692 | a8083063 | Iustin Pop | force = True
|
2693 | a8083063 | Iustin Pop | if device.children:
|
2694 | a8083063 | Iustin Pop | for child in device.children: |
2695 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, node, instance, |
2696 | 3f78eef2 | Iustin Pop | child, force, info): |
2697 | a8083063 | Iustin Pop | return False |
2698 | a8083063 | Iustin Pop | |
2699 | a8083063 | Iustin Pop | if not force: |
2700 | a8083063 | Iustin Pop | return True |
2701 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2702 | 3f78eef2 | Iustin Pop | new_id = rpc.call_blockdev_create(node, device, device.size, |
2703 | 3f78eef2 | Iustin Pop | instance.name, False, info)
|
2704 | a8083063 | Iustin Pop | if not new_id: |
2705 | a8083063 | Iustin Pop | return False |
2706 | a8083063 | Iustin Pop | if device.physical_id is None: |
2707 | a8083063 | Iustin Pop | device.physical_id = new_id |
2708 | a8083063 | Iustin Pop | return True |
2709 | a8083063 | Iustin Pop | |
2710 | a8083063 | Iustin Pop | |
2711 | 923b1523 | Iustin Pop | def _GenerateUniqueNames(cfg, exts): |
2712 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
2713 | 923b1523 | Iustin Pop |
|
2714 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
2715 | 923b1523 | Iustin Pop |
|
2716 | 923b1523 | Iustin Pop | """
|
2717 | 923b1523 | Iustin Pop | results = [] |
2718 | 923b1523 | Iustin Pop | for val in exts: |
2719 | 923b1523 | Iustin Pop | new_id = cfg.GenerateUniqueID() |
2720 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
2721 | 923b1523 | Iustin Pop | return results
|
2722 | 923b1523 | Iustin Pop | |
2723 | 923b1523 | Iustin Pop | |
2724 | 923b1523 | Iustin Pop | def _GenerateMDDRBDBranch(cfg, primary, secondary, size, names): |
2725 | a8083063 | Iustin Pop | """Generate a drbd device complete with its children.
|
2726 | a8083063 | Iustin Pop |
|
2727 | a8083063 | Iustin Pop | """
|
2728 | a8083063 | Iustin Pop | port = cfg.AllocatePort() |
2729 | 923b1523 | Iustin Pop | vgname = cfg.GetVGName() |
2730 | fe96220b | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
2731 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]))
|
2732 | fe96220b | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
2733 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]))
|
2734 | fe96220b | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD7, size=size, |
2735 | a8083063 | Iustin Pop | logical_id = (primary, secondary, port), |
2736 | a8083063 | Iustin Pop | children = [dev_data, dev_meta]) |
2737 | a8083063 | Iustin Pop | return drbd_dev
|
2738 | a8083063 | Iustin Pop | |
2739 | a8083063 | Iustin Pop | |
2740 | a1f445d3 | Iustin Pop | def _GenerateDRBD8Branch(cfg, primary, secondary, size, names, iv_name): |
2741 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
2742 | a1f445d3 | Iustin Pop |
|
2743 | a1f445d3 | Iustin Pop | """
|
2744 | a1f445d3 | Iustin Pop | port = cfg.AllocatePort() |
2745 | a1f445d3 | Iustin Pop | vgname = cfg.GetVGName() |
2746 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
2747 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
2748 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
2749 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
2750 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
2751 | a1f445d3 | Iustin Pop | logical_id = (primary, secondary, port), |
2752 | a1f445d3 | Iustin Pop | children = [dev_data, dev_meta], |
2753 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
2754 | a1f445d3 | Iustin Pop | return drbd_dev
|
2755 | a1f445d3 | Iustin Pop | |
2756 | 7c0d6283 | Michael Hanselmann | |
2757 | 923b1523 | Iustin Pop | def _GenerateDiskTemplate(cfg, template_name, |
2758 | a8083063 | Iustin Pop | instance_name, primary_node, |
2759 | a8083063 | Iustin Pop | secondary_nodes, disk_sz, swap_sz): |
2760 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
2761 | a8083063 | Iustin Pop |
|
2762 | a8083063 | Iustin Pop | """
|
2763 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
2764 | a8083063 | Iustin Pop | |
2765 | 923b1523 | Iustin Pop | vgname = cfg.GetVGName() |
2766 | 3517d9b9 | Manuel Franceschini | if template_name == constants.DT_DISKLESS:
|
2767 | a8083063 | Iustin Pop | disks = [] |
2768 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_PLAIN:
|
2769 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2770 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2771 | 923b1523 | Iustin Pop | |
2772 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda", ".sdb"]) |
2773 | fe96220b | Iustin Pop | sda_dev = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2774 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]),
|
2775 | a8083063 | Iustin Pop | iv_name = "sda")
|
2776 | fe96220b | Iustin Pop | sdb_dev = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2777 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]),
|
2778 | a8083063 | Iustin Pop | iv_name = "sdb")
|
2779 | a8083063 | Iustin Pop | disks = [sda_dev, sdb_dev] |
2780 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_LOCAL_RAID1:
|
2781 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2782 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2783 | 923b1523 | Iustin Pop | |
2784 | 923b1523 | Iustin Pop | |
2785 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_m1", ".sda_m2", |
2786 | 923b1523 | Iustin Pop | ".sdb_m1", ".sdb_m2"]) |
2787 | fe96220b | Iustin Pop | sda_dev_m1 = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2788 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]))
|
2789 | fe96220b | Iustin Pop | sda_dev_m2 = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2790 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]))
|
2791 | fe96220b | Iustin Pop | md_sda_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name = "sda",
|
2792 | a8083063 | Iustin Pop | size=disk_sz, |
2793 | a8083063 | Iustin Pop | children = [sda_dev_m1, sda_dev_m2]) |
2794 | fe96220b | Iustin Pop | sdb_dev_m1 = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2795 | 923b1523 | Iustin Pop | logical_id=(vgname, names[2]))
|
2796 | fe96220b | Iustin Pop | sdb_dev_m2 = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2797 | 923b1523 | Iustin Pop | logical_id=(vgname, names[3]))
|
2798 | fe96220b | Iustin Pop | md_sdb_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name = "sdb",
|
2799 | a8083063 | Iustin Pop | size=swap_sz, |
2800 | a8083063 | Iustin Pop | children = [sdb_dev_m1, sdb_dev_m2]) |
2801 | a8083063 | Iustin Pop | disks = [md_sda_dev, md_sdb_dev] |
2802 | 2a710df1 | Michael Hanselmann | elif template_name == constants.DT_REMOTE_RAID1:
|
2803 | a8083063 | Iustin Pop | if len(secondary_nodes) != 1: |
2804 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2805 | a8083063 | Iustin Pop | remote_node = secondary_nodes[0]
|
2806 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_data", ".sda_meta", |
2807 | 923b1523 | Iustin Pop | ".sdb_data", ".sdb_meta"]) |
2808 | 923b1523 | Iustin Pop | drbd_sda_dev = _GenerateMDDRBDBranch(cfg, primary_node, remote_node, |
2809 | 923b1523 | Iustin Pop | disk_sz, names[0:2]) |
2810 | fe96220b | Iustin Pop | md_sda_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name="sda",
|
2811 | a8083063 | Iustin Pop | children = [drbd_sda_dev], size=disk_sz) |
2812 | 923b1523 | Iustin Pop | drbd_sdb_dev = _GenerateMDDRBDBranch(cfg, primary_node, remote_node, |
2813 | 923b1523 | Iustin Pop | swap_sz, names[2:4]) |
2814 | fe96220b | Iustin Pop | md_sdb_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name="sdb",
|
2815 | a8083063 | Iustin Pop | children = [drbd_sdb_dev], size=swap_sz) |
2816 | a8083063 | Iustin Pop | disks = [md_sda_dev, md_sdb_dev] |
2817 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
2818 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
2819 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2820 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
2821 | a1f445d3 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_data", ".sda_meta", |
2822 | a1f445d3 | Iustin Pop | ".sdb_data", ".sdb_meta"]) |
2823 | a1f445d3 | Iustin Pop | drbd_sda_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node, |
2824 | a1f445d3 | Iustin Pop | disk_sz, names[0:2], "sda") |
2825 | a1f445d3 | Iustin Pop | drbd_sdb_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node, |
2826 | a1f445d3 | Iustin Pop | swap_sz, names[2:4], "sdb") |
2827 | a1f445d3 | Iustin Pop | disks = [drbd_sda_dev, drbd_sdb_dev] |
2828 | a8083063 | Iustin Pop | else:
|
2829 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
2830 | a8083063 | Iustin Pop | return disks
|
2831 | a8083063 | Iustin Pop | |
2832 | a8083063 | Iustin Pop | |
2833 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
2834 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
2835 | 3ecf6786 | Iustin Pop |
|
2836 | 3ecf6786 | Iustin Pop | """
|
2837 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
2838 | a0c3fea1 | Michael Hanselmann | |
2839 | a0c3fea1 | Michael Hanselmann | |
2840 | a8083063 | Iustin Pop | def _CreateDisks(cfg, instance): |
2841 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
2842 | a8083063 | Iustin Pop |
|
2843 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
2844 | a8083063 | Iustin Pop |
|
2845 | a8083063 | Iustin Pop | Args:
|
2846 | a8083063 | Iustin Pop | instance: the instance object
|
2847 | a8083063 | Iustin Pop |
|
2848 | a8083063 | Iustin Pop | Returns:
|
2849 | a8083063 | Iustin Pop | True or False showing the success of the creation process
|
2850 | a8083063 | Iustin Pop |
|
2851 | a8083063 | Iustin Pop | """
|
2852 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
2853 | a0c3fea1 | Michael Hanselmann | |
2854 | a8083063 | Iustin Pop | for device in instance.disks: |
2855 | a8083063 | Iustin Pop | logger.Info("creating volume %s for instance %s" %
|
2856 | a8083063 | Iustin Pop | (device.iv_name, instance.name)) |
2857 | a8083063 | Iustin Pop | #HARDCODE
|
2858 | a8083063 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
2859 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, secondary_node, instance, |
2860 | 3f78eef2 | Iustin Pop | device, False, info):
|
2861 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s (%s) on secondary node %s!" %
|
2862 | a8083063 | Iustin Pop | (device.iv_name, device, secondary_node)) |
2863 | a8083063 | Iustin Pop | return False |
2864 | a8083063 | Iustin Pop | #HARDCODE
|
2865 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, instance.primary_node, |
2866 | 3f78eef2 | Iustin Pop | instance, device, info): |
2867 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s on primary!" %
|
2868 | a8083063 | Iustin Pop | device.iv_name) |
2869 | a8083063 | Iustin Pop | return False |
2870 | a8083063 | Iustin Pop | return True |
2871 | a8083063 | Iustin Pop | |
2872 | a8083063 | Iustin Pop | |
2873 | a8083063 | Iustin Pop | def _RemoveDisks(instance, cfg): |
2874 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
2875 | a8083063 | Iustin Pop |
|
2876 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
2877 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
2878 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
2879 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
2880 | a8083063 | Iustin Pop |
|
2881 | a8083063 | Iustin Pop | Args:
|
2882 | a8083063 | Iustin Pop | instance: the instance object
|
2883 | a8083063 | Iustin Pop |
|
2884 | a8083063 | Iustin Pop | Returns:
|
2885 | a8083063 | Iustin Pop | True or False showing the success of the removal proces
|
2886 | a8083063 | Iustin Pop |
|
2887 | a8083063 | Iustin Pop | """
|
2888 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2889 | a8083063 | Iustin Pop | |
2890 | a8083063 | Iustin Pop | result = True
|
2891 | a8083063 | Iustin Pop | for device in instance.disks: |
2892 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
2893 | a8083063 | Iustin Pop | cfg.SetDiskID(disk, node) |
2894 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, disk): |
2895 | a8083063 | Iustin Pop | logger.Error("could not remove block device %s on node %s,"
|
2896 | a8083063 | Iustin Pop | " continuing anyway" %
|
2897 | a8083063 | Iustin Pop | (device.iv_name, node)) |
2898 | a8083063 | Iustin Pop | result = False
|
2899 | a8083063 | Iustin Pop | return result
|
2900 | a8083063 | Iustin Pop | |
2901 | a8083063 | Iustin Pop | |
2902 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
2903 | a8083063 | Iustin Pop | """Create an instance.
|
2904 | a8083063 | Iustin Pop |
|
2905 | a8083063 | Iustin Pop | """
|
2906 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
2907 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2908 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "mem_size", "disk_size", "pnode", |
2909 | a8083063 | Iustin Pop | "disk_template", "swap_size", "mode", "start", "vcpus", |
2910 | 1862d460 | Alexander Schreiber | "wait_for_sync", "ip_check", "mac"] |
2911 | a8083063 | Iustin Pop | |
2912 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2913 | a8083063 | Iustin Pop | """Build hooks env.
|
2914 | a8083063 | Iustin Pop |
|
2915 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2916 | a8083063 | Iustin Pop |
|
2917 | a8083063 | Iustin Pop | """
|
2918 | a8083063 | Iustin Pop | env = { |
2919 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_TEMPLATE": self.op.disk_template, |
2920 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_SIZE": self.op.disk_size, |
2921 | 396e1b78 | Michael Hanselmann | "INSTANCE_SWAP_SIZE": self.op.swap_size, |
2922 | a8083063 | Iustin Pop | "INSTANCE_ADD_MODE": self.op.mode, |
2923 | a8083063 | Iustin Pop | } |
2924 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
2925 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_NODE"] = self.op.src_node |
2926 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_PATH"] = self.op.src_path |
2927 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_IMAGE"] = self.src_image |
2928 | 396e1b78 | Michael Hanselmann | |
2929 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
|
2930 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
2931 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
2932 | 396e1b78 | Michael Hanselmann | status=self.instance_status,
|
2933 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
2934 | 396e1b78 | Michael Hanselmann | memory=self.op.mem_size,
|
2935 | 396e1b78 | Michael Hanselmann | vcpus=self.op.vcpus,
|
2936 | c7b27e9e | Iustin Pop | nics=[(self.inst_ip, self.op.bridge, self.op.mac)], |
2937 | 396e1b78 | Michael Hanselmann | )) |
2938 | a8083063 | Iustin Pop | |
2939 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.op.pnode] + |
2940 | a8083063 | Iustin Pop | self.secondaries)
|
2941 | a8083063 | Iustin Pop | return env, nl, nl
|
2942 | a8083063 | Iustin Pop | |
2943 | a8083063 | Iustin Pop | |
2944 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2945 | a8083063 | Iustin Pop | """Check prerequisites.
|
2946 | a8083063 | Iustin Pop |
|
2947 | a8083063 | Iustin Pop | """
|
2948 | 40ed12dd | Guido Trotter | for attr in ["kernel_path", "initrd_path", "hvm_boot_order"]: |
2949 | 40ed12dd | Guido Trotter | if not hasattr(self.op, attr): |
2950 | 40ed12dd | Guido Trotter | setattr(self.op, attr, None) |
2951 | 40ed12dd | Guido Trotter | |
2952 | a8083063 | Iustin Pop | if self.op.mode not in (constants.INSTANCE_CREATE, |
2953 | a8083063 | Iustin Pop | constants.INSTANCE_IMPORT): |
2954 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
2955 | 3ecf6786 | Iustin Pop | self.op.mode)
|
2956 | a8083063 | Iustin Pop | |
2957 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
2958 | a8083063 | Iustin Pop | src_node = getattr(self.op, "src_node", None) |
2959 | a8083063 | Iustin Pop | src_path = getattr(self.op, "src_path", None) |
2960 | a8083063 | Iustin Pop | if src_node is None or src_path is None: |
2961 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Importing an instance requires source" |
2962 | 3ecf6786 | Iustin Pop | " node and path options")
|
2963 | a8083063 | Iustin Pop | src_node_full = self.cfg.ExpandNodeName(src_node)
|
2964 | a8083063 | Iustin Pop | if src_node_full is None: |
2965 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown source node '%s'" % src_node) |
2966 | a8083063 | Iustin Pop | self.op.src_node = src_node = src_node_full
|
2967 | a8083063 | Iustin Pop | |
2968 | a8083063 | Iustin Pop | if not os.path.isabs(src_path): |
2969 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The source path must be absolute") |
2970 | a8083063 | Iustin Pop | |
2971 | a8083063 | Iustin Pop | export_info = rpc.call_export_info(src_node, src_path) |
2972 | a8083063 | Iustin Pop | |
2973 | a8083063 | Iustin Pop | if not export_info: |
2974 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No export found in dir %s" % src_path) |
2975 | a8083063 | Iustin Pop | |
2976 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
2977 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
2978 | a8083063 | Iustin Pop | |
2979 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
2980 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
2981 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
2982 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
2983 | a8083063 | Iustin Pop | |
2984 | a8083063 | Iustin Pop | if int(export_info.get(constants.INISECT_INS, 'disk_count')) > 1: |
2985 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't import instance with more than" |
2986 | 3ecf6786 | Iustin Pop | " one data disk")
|
2987 | a8083063 | Iustin Pop | |
2988 | a8083063 | Iustin Pop | # FIXME: are the old os-es, disk sizes, etc. useful?
|
2989 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
2990 | a8083063 | Iustin Pop | diskimage = os.path.join(src_path, export_info.get(constants.INISECT_INS, |
2991 | a8083063 | Iustin Pop | 'disk0_dump'))
|
2992 | a8083063 | Iustin Pop | self.src_image = diskimage
|
2993 | a8083063 | Iustin Pop | else: # INSTANCE_CREATE |
2994 | a8083063 | Iustin Pop | if getattr(self.op, "os_type", None) is None: |
2995 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No guest OS specified") |
2996 | a8083063 | Iustin Pop | |
2997 | a8083063 | Iustin Pop | # check primary node
|
2998 | a8083063 | Iustin Pop | pnode = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.pnode)) |
2999 | a8083063 | Iustin Pop | if pnode is None: |
3000 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
3001 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
3002 | a8083063 | Iustin Pop | self.op.pnode = pnode.name
|
3003 | a8083063 | Iustin Pop | self.pnode = pnode
|
3004 | a8083063 | Iustin Pop | self.secondaries = []
|
3005 | a8083063 | Iustin Pop | # disk template and mirror node verification
|
3006 | a8083063 | Iustin Pop | if self.op.disk_template not in constants.DISK_TEMPLATES: |
3007 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid disk template name") |
3008 | a8083063 | Iustin Pop | |
3009 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
3010 | a8083063 | Iustin Pop | if getattr(self.op, "snode", None) is None: |
3011 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
3012 | 3ecf6786 | Iustin Pop | " a mirror node")
|
3013 | a8083063 | Iustin Pop | |
3014 | a8083063 | Iustin Pop | snode_name = self.cfg.ExpandNodeName(self.op.snode) |
3015 | a8083063 | Iustin Pop | if snode_name is None: |
3016 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown secondary node '%s'" % |
3017 | 3ecf6786 | Iustin Pop | self.op.snode)
|
3018 | a8083063 | Iustin Pop | elif snode_name == pnode.name:
|
3019 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
3020 | 3ecf6786 | Iustin Pop | " the primary node.")
|
3021 | a8083063 | Iustin Pop | self.secondaries.append(snode_name)
|
3022 | a8083063 | Iustin Pop | |
3023 | ed1ebc60 | Guido Trotter | # Required free disk space as a function of disk and swap space
|
3024 | ed1ebc60 | Guido Trotter | req_size_dict = { |
3025 | 8d75db10 | Iustin Pop | constants.DT_DISKLESS: None,
|
3026 | ed1ebc60 | Guido Trotter | constants.DT_PLAIN: self.op.disk_size + self.op.swap_size, |
3027 | ed1ebc60 | Guido Trotter | constants.DT_LOCAL_RAID1: (self.op.disk_size + self.op.swap_size) * 2, |
3028 | ed1ebc60 | Guido Trotter | # 256 MB are added for drbd metadata, 128MB for each drbd device
|
3029 | ed1ebc60 | Guido Trotter | constants.DT_REMOTE_RAID1: self.op.disk_size + self.op.swap_size + 256, |
3030 | a1f445d3 | Iustin Pop | constants.DT_DRBD8: self.op.disk_size + self.op.swap_size + 256, |
3031 | ed1ebc60 | Guido Trotter | } |
3032 | ed1ebc60 | Guido Trotter | |
3033 | ed1ebc60 | Guido Trotter | if self.op.disk_template not in req_size_dict: |
3034 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
3035 | 3ecf6786 | Iustin Pop | " is unknown" % self.op.disk_template) |
3036 | ed1ebc60 | Guido Trotter | |
3037 | ed1ebc60 | Guido Trotter | req_size = req_size_dict[self.op.disk_template]
|
3038 | ed1ebc60 | Guido Trotter | |
3039 | 8d75db10 | Iustin Pop | # Check lv size requirements
|
3040 | 8d75db10 | Iustin Pop | if req_size is not None: |
3041 | 8d75db10 | Iustin Pop | nodenames = [pnode.name] + self.secondaries
|
3042 | 8d75db10 | Iustin Pop | nodeinfo = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
3043 | 8d75db10 | Iustin Pop | for node in nodenames: |
3044 | 8d75db10 | Iustin Pop | info = nodeinfo.get(node, None)
|
3045 | 8d75db10 | Iustin Pop | if not info: |
3046 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
3047 | 8d75db10 | Iustin Pop | " from node '%s'" % nodeinfo)
|
3048 | 8d75db10 | Iustin Pop | vg_free = info.get('vg_free', None) |
3049 | 8d75db10 | Iustin Pop | if not isinstance(vg_free, int): |
3050 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
3051 | 8d75db10 | Iustin Pop | " node %s" % node)
|
3052 | 8d75db10 | Iustin Pop | if req_size > info['vg_free']: |
3053 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
3054 | 8d75db10 | Iustin Pop | " %d MB available, %d MB required" %
|
3055 | 8d75db10 | Iustin Pop | (node, info['vg_free'], req_size))
|
3056 | ed1ebc60 | Guido Trotter | |
3057 | a8083063 | Iustin Pop | # os verification
|
3058 | 00fe9e38 | Guido Trotter | os_obj = rpc.call_os_get(pnode.name, self.op.os_type)
|
3059 | dfa96ded | Guido Trotter | if not os_obj: |
3060 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported os list for" |
3061 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
3062 | a8083063 | Iustin Pop | |
3063 | 3b6d8c9b | Iustin Pop | if self.op.kernel_path == constants.VALUE_NONE: |
3064 | 3b6d8c9b | Iustin Pop | raise errors.OpPrereqError("Can't set instance kernel to none") |
3065 | 3b6d8c9b | Iustin Pop | |
3066 | a8083063 | Iustin Pop | # instance verification
|
3067 | 89e1fc26 | Iustin Pop | hostname1 = utils.HostInfo(self.op.instance_name)
|
3068 | a8083063 | Iustin Pop | |
3069 | bcf043c9 | Iustin Pop | self.op.instance_name = instance_name = hostname1.name
|
3070 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
3071 | a8083063 | Iustin Pop | if instance_name in instance_list: |
3072 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
3073 | 3ecf6786 | Iustin Pop | instance_name) |
3074 | a8083063 | Iustin Pop | |
3075 | a8083063 | Iustin Pop | ip = getattr(self.op, "ip", None) |
3076 | a8083063 | Iustin Pop | if ip is None or ip.lower() == "none": |
3077 | a8083063 | Iustin Pop | inst_ip = None
|
3078 | a8083063 | Iustin Pop | elif ip.lower() == "auto": |
3079 | bcf043c9 | Iustin Pop | inst_ip = hostname1.ip |
3080 | a8083063 | Iustin Pop | else:
|
3081 | a8083063 | Iustin Pop | if not utils.IsValidIP(ip): |
3082 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("given IP address '%s' doesn't look" |
3083 | 3ecf6786 | Iustin Pop | " like a valid IP" % ip)
|
3084 | a8083063 | Iustin Pop | inst_ip = ip |
3085 | a8083063 | Iustin Pop | self.inst_ip = inst_ip
|
3086 | a8083063 | Iustin Pop | |
3087 | bdd55f71 | Iustin Pop | if self.op.start and not self.op.ip_check: |
3088 | bdd55f71 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
3089 | bdd55f71 | Iustin Pop | " adding an instance in start mode")
|
3090 | bdd55f71 | Iustin Pop | |
3091 | bdd55f71 | Iustin Pop | if self.op.ip_check: |
3092 | b15d625f | Iustin Pop | if utils.TcpPing(hostname1.ip, constants.DEFAULT_NODED_PORT):
|
3093 | 16abfbc2 | Alexander Schreiber | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
3094 | 16abfbc2 | Alexander Schreiber | (hostname1.ip, instance_name)) |
3095 | a8083063 | Iustin Pop | |
3096 | 1862d460 | Alexander Schreiber | # MAC address verification
|
3097 | 1862d460 | Alexander Schreiber | if self.op.mac != "auto": |
3098 | 1862d460 | Alexander Schreiber | if not utils.IsValidMac(self.op.mac.lower()): |
3099 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError("invalid MAC address specified: %s" % |
3100 | 1862d460 | Alexander Schreiber | self.op.mac)
|
3101 | 1862d460 | Alexander Schreiber | |
3102 | a8083063 | Iustin Pop | # bridge verification
|
3103 | a8083063 | Iustin Pop | bridge = getattr(self.op, "bridge", None) |
3104 | a8083063 | Iustin Pop | if bridge is None: |
3105 | a8083063 | Iustin Pop | self.op.bridge = self.cfg.GetDefBridge() |
3106 | a8083063 | Iustin Pop | else:
|
3107 | a8083063 | Iustin Pop | self.op.bridge = bridge
|
3108 | a8083063 | Iustin Pop | |
3109 | a8083063 | Iustin Pop | if not rpc.call_bridges_exist(self.pnode.name, [self.op.bridge]): |
3110 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("target bridge '%s' does not exist on" |
3111 | 3ecf6786 | Iustin Pop | " destination node '%s'" %
|
3112 | 3ecf6786 | Iustin Pop | (self.op.bridge, pnode.name))
|
3113 | a8083063 | Iustin Pop | |
3114 | 25c5878d | Alexander Schreiber | # boot order verification
|
3115 | 25c5878d | Alexander Schreiber | if self.op.hvm_boot_order is not None: |
3116 | 25c5878d | Alexander Schreiber | if len(self.op.hvm_boot_order.strip("acdn")) != 0: |
3117 | b08d5a87 | Iustin Pop | raise errors.OpPrereqError("invalid boot order specified," |
3118 | b08d5a87 | Iustin Pop | " must be one or more of [acdn]")
|
3119 | 25c5878d | Alexander Schreiber | |
3120 | a8083063 | Iustin Pop | if self.op.start: |
3121 | a8083063 | Iustin Pop | self.instance_status = 'up' |
3122 | a8083063 | Iustin Pop | else:
|
3123 | a8083063 | Iustin Pop | self.instance_status = 'down' |
3124 | a8083063 | Iustin Pop | |
3125 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3126 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
3127 | a8083063 | Iustin Pop |
|
3128 | a8083063 | Iustin Pop | """
|
3129 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
3130 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
3131 | a8083063 | Iustin Pop | |
3132 | 1862d460 | Alexander Schreiber | if self.op.mac == "auto": |
3133 | ba4b62cf | Iustin Pop | mac_address = self.cfg.GenerateMAC()
|
3134 | 1862d460 | Alexander Schreiber | else:
|
3135 | ba4b62cf | Iustin Pop | mac_address = self.op.mac
|
3136 | 1862d460 | Alexander Schreiber | |
3137 | 1862d460 | Alexander Schreiber | nic = objects.NIC(bridge=self.op.bridge, mac=mac_address)
|
3138 | a8083063 | Iustin Pop | if self.inst_ip is not None: |
3139 | a8083063 | Iustin Pop | nic.ip = self.inst_ip
|
3140 | a8083063 | Iustin Pop | |
3141 | 2a6469d5 | Alexander Schreiber | ht_kind = self.sstore.GetHypervisorType()
|
3142 | 2a6469d5 | Alexander Schreiber | if ht_kind in constants.HTS_REQ_PORT: |
3143 | 2a6469d5 | Alexander Schreiber | network_port = self.cfg.AllocatePort()
|
3144 | 2a6469d5 | Alexander Schreiber | else:
|
3145 | 2a6469d5 | Alexander Schreiber | network_port = None
|
3146 | 58acb49d | Alexander Schreiber | |
3147 | 923b1523 | Iustin Pop | disks = _GenerateDiskTemplate(self.cfg,
|
3148 | a8083063 | Iustin Pop | self.op.disk_template,
|
3149 | a8083063 | Iustin Pop | instance, pnode_name, |
3150 | a8083063 | Iustin Pop | self.secondaries, self.op.disk_size, |
3151 | a8083063 | Iustin Pop | self.op.swap_size)
|
3152 | a8083063 | Iustin Pop | |
3153 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
3154 | a8083063 | Iustin Pop | primary_node=pnode_name, |
3155 | a8083063 | Iustin Pop | memory=self.op.mem_size,
|
3156 | a8083063 | Iustin Pop | vcpus=self.op.vcpus,
|
3157 | a8083063 | Iustin Pop | nics=[nic], disks=disks, |
3158 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
3159 | a8083063 | Iustin Pop | status=self.instance_status,
|
3160 | 58acb49d | Alexander Schreiber | network_port=network_port, |
3161 | 3b6d8c9b | Iustin Pop | kernel_path=self.op.kernel_path,
|
3162 | 3b6d8c9b | Iustin Pop | initrd_path=self.op.initrd_path,
|
3163 | 25c5878d | Alexander Schreiber | hvm_boot_order=self.op.hvm_boot_order,
|
3164 | a8083063 | Iustin Pop | ) |
3165 | a8083063 | Iustin Pop | |
3166 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
3167 | a8083063 | Iustin Pop | if not _CreateDisks(self.cfg, iobj): |
3168 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
3169 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Device creation failed, reverting...") |
3170 | a8083063 | Iustin Pop | |
3171 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
3172 | a8083063 | Iustin Pop | |
3173 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
3174 | a8083063 | Iustin Pop | |
3175 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
3176 | 5bfac263 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, self.proc) |
3177 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
3178 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
3179 | a8083063 | Iustin Pop | time.sleep(15)
|
3180 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
3181 | 5bfac263 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, self.proc, oneshot=True) |
3182 | a8083063 | Iustin Pop | else:
|
3183 | a8083063 | Iustin Pop | disk_abort = False
|
3184 | a8083063 | Iustin Pop | |
3185 | a8083063 | Iustin Pop | if disk_abort:
|
3186 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
3187 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
3188 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
3189 | 3ecf6786 | Iustin Pop | " this instance")
|
3190 | a8083063 | Iustin Pop | |
3191 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
3192 | a8083063 | Iustin Pop | (instance, pnode_name)) |
3193 | a8083063 | Iustin Pop | |
3194 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
3195 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
3196 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
3197 | a8083063 | Iustin Pop | if not rpc.call_instance_os_add(pnode_name, iobj, "sda", "sdb"): |
3198 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not add os for instance %s" |
3199 | 3ecf6786 | Iustin Pop | " on node %s" %
|
3200 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3201 | a8083063 | Iustin Pop | |
3202 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
3203 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
3204 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
3205 | a8083063 | Iustin Pop | src_image = self.src_image
|
3206 | a8083063 | Iustin Pop | if not rpc.call_instance_os_import(pnode_name, iobj, "sda", "sdb", |
3207 | a8083063 | Iustin Pop | src_node, src_image): |
3208 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not import os for instance" |
3209 | 3ecf6786 | Iustin Pop | " %s on node %s" %
|
3210 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3211 | a8083063 | Iustin Pop | else:
|
3212 | a8083063 | Iustin Pop | # also checked in the prereq part
|
3213 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
3214 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
3215 | a8083063 | Iustin Pop | |
3216 | a8083063 | Iustin Pop | if self.op.start: |
3217 | a8083063 | Iustin Pop | logger.Info("starting instance %s on node %s" % (instance, pnode_name))
|
3218 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
3219 | a8083063 | Iustin Pop | if not rpc.call_instance_start(pnode_name, iobj, None): |
3220 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
3221 | a8083063 | Iustin Pop | |
3222 | a8083063 | Iustin Pop | |
3223 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
3224 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
3225 | a8083063 | Iustin Pop |
|
3226 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
3227 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
3228 | a8083063 | Iustin Pop | console.
|
3229 | a8083063 | Iustin Pop |
|
3230 | a8083063 | Iustin Pop | """
|
3231 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3232 | a8083063 | Iustin Pop | |
3233 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3234 | a8083063 | Iustin Pop | """Check prerequisites.
|
3235 | a8083063 | Iustin Pop |
|
3236 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3237 | a8083063 | Iustin Pop |
|
3238 | a8083063 | Iustin Pop | """
|
3239 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3240 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3241 | a8083063 | Iustin Pop | if instance is None: |
3242 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3243 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3244 | a8083063 | Iustin Pop | self.instance = instance
|
3245 | a8083063 | Iustin Pop | |
3246 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3247 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
3248 | a8083063 | Iustin Pop |
|
3249 | a8083063 | Iustin Pop | """
|
3250 | a8083063 | Iustin Pop | instance = self.instance
|
3251 | a8083063 | Iustin Pop | node = instance.primary_node |
3252 | a8083063 | Iustin Pop | |
3253 | a8083063 | Iustin Pop | node_insts = rpc.call_instance_list([node])[node] |
3254 | a8083063 | Iustin Pop | if node_insts is False: |
3255 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't connect to node %s." % node) |
3256 | a8083063 | Iustin Pop | |
3257 | a8083063 | Iustin Pop | if instance.name not in node_insts: |
3258 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
3259 | a8083063 | Iustin Pop | |
3260 | a8083063 | Iustin Pop | logger.Debug("connecting to console of %s on %s" % (instance.name, node))
|
3261 | a8083063 | Iustin Pop | |
3262 | a8083063 | Iustin Pop | hyper = hypervisor.GetHypervisor() |
3263 | 30989e69 | Alexander Schreiber | console_cmd = hyper.GetShellCommandForConsole(instance) |
3264 | b047857b | Michael Hanselmann | |
3265 | 82122173 | Iustin Pop | # build ssh cmdline
|
3266 | b047857b | Michael Hanselmann | cmd = self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True) |
3267 | b047857b | Michael Hanselmann | return cmd[0], cmd |
3268 | a8083063 | Iustin Pop | |
3269 | a8083063 | Iustin Pop | |
3270 | a8083063 | Iustin Pop | class LUAddMDDRBDComponent(LogicalUnit): |
3271 | a8083063 | Iustin Pop | """Adda new mirror member to an instance's disk.
|
3272 | a8083063 | Iustin Pop |
|
3273 | a8083063 | Iustin Pop | """
|
3274 | a8083063 | Iustin Pop | HPATH = "mirror-add"
|
3275 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3276 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "remote_node", "disk_name"] |
3277 | a8083063 | Iustin Pop | |
3278 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3279 | a8083063 | Iustin Pop | """Build hooks env.
|
3280 | a8083063 | Iustin Pop |
|
3281 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3282 | a8083063 | Iustin Pop |
|
3283 | a8083063 | Iustin Pop | """
|
3284 | a8083063 | Iustin Pop | env = { |
3285 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3286 | a8083063 | Iustin Pop | "DISK_NAME": self.op.disk_name, |
3287 | a8083063 | Iustin Pop | } |
3288 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3289 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(), self.instance.primary_node, |
3290 | a8083063 | Iustin Pop | self.op.remote_node,] + list(self.instance.secondary_nodes) |
3291 | a8083063 | Iustin Pop | return env, nl, nl
|
3292 | a8083063 | Iustin Pop | |
3293 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3294 | a8083063 | Iustin Pop | """Check prerequisites.
|
3295 | a8083063 | Iustin Pop |
|
3296 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3297 | a8083063 | Iustin Pop |
|
3298 | a8083063 | Iustin Pop | """
|
3299 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3300 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3301 | a8083063 | Iustin Pop | if instance is None: |
3302 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3303 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3304 | a8083063 | Iustin Pop | self.instance = instance
|
3305 | a8083063 | Iustin Pop | |
3306 | a8083063 | Iustin Pop | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
3307 | a8083063 | Iustin Pop | if remote_node is None: |
3308 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % self.op.remote_node) |
3309 | a8083063 | Iustin Pop | self.remote_node = remote_node
|
3310 | a8083063 | Iustin Pop | |
3311 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3312 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3313 | 3ecf6786 | Iustin Pop | " the instance.")
|
3314 | a8083063 | Iustin Pop | |
3315 | a8083063 | Iustin Pop | if instance.disk_template != constants.DT_REMOTE_RAID1:
|
3316 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3317 | 3ecf6786 | Iustin Pop | " remote_raid1.")
|
3318 | a8083063 | Iustin Pop | for disk in instance.disks: |
3319 | a8083063 | Iustin Pop | if disk.iv_name == self.op.disk_name: |
3320 | a8083063 | Iustin Pop | break
|
3321 | a8083063 | Iustin Pop | else:
|
3322 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find this device ('%s') in the" |
3323 | 3ecf6786 | Iustin Pop | " instance." % self.op.disk_name) |
3324 | a8083063 | Iustin Pop | if len(disk.children) > 1: |
3325 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("The device already has two slave devices." |
3326 | f4bc1f2c | Michael Hanselmann | " This would create a 3-disk raid1 which we"
|
3327 | f4bc1f2c | Michael Hanselmann | " don't allow.")
|
3328 | a8083063 | Iustin Pop | self.disk = disk
|
3329 | a8083063 | Iustin Pop | |
3330 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3331 | a8083063 | Iustin Pop | """Add the mirror component
|
3332 | a8083063 | Iustin Pop |
|
3333 | a8083063 | Iustin Pop | """
|
3334 | a8083063 | Iustin Pop | disk = self.disk
|
3335 | a8083063 | Iustin Pop | instance = self.instance
|
3336 | a8083063 | Iustin Pop | |
3337 | a8083063 | Iustin Pop | remote_node = self.remote_node
|
3338 | 923b1523 | Iustin Pop | lv_names = [".%s_%s" % (disk.iv_name, suf) for suf in ["data", "meta"]] |
3339 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(self.cfg, lv_names)
|
3340 | 923b1523 | Iustin Pop | new_drbd = _GenerateMDDRBDBranch(self.cfg, instance.primary_node,
|
3341 | 923b1523 | Iustin Pop | remote_node, disk.size, names) |
3342 | a8083063 | Iustin Pop | |
3343 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on secondary")
|
3344 | a8083063 | Iustin Pop | #HARDCODE
|
3345 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(self.cfg, remote_node, instance, |
3346 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
3347 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3348 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Failed to create new component on secondary" |
3349 | 3ecf6786 | Iustin Pop | " node %s" % remote_node)
|
3350 | a8083063 | Iustin Pop | |
3351 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on primary")
|
3352 | a8083063 | Iustin Pop | #HARDCODE
|
3353 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(self.cfg, instance.primary_node, |
3354 | 3f78eef2 | Iustin Pop | instance, new_drbd, |
3355 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3356 | a8083063 | Iustin Pop | # remove secondary dev
|
3357 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, remote_node)
|
3358 | a8083063 | Iustin Pop | rpc.call_blockdev_remove(remote_node, new_drbd) |
3359 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Failed to create volume on primary") |
3360 | a8083063 | Iustin Pop | |
3361 | a8083063 | Iustin Pop | # the device exists now
|
3362 | a8083063 | Iustin Pop | # call the primary node to add the mirror to md
|
3363 | a8083063 | Iustin Pop | logger.Info("adding new mirror component to md")
|
3364 | 153d9724 | Iustin Pop | if not rpc.call_blockdev_addchildren(instance.primary_node, |
3365 | 153d9724 | Iustin Pop | disk, [new_drbd]): |
3366 | a8083063 | Iustin Pop | logger.Error("Can't add mirror compoment to md!")
|
3367 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, remote_node)
|
3368 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(remote_node, new_drbd): |
3369 | a8083063 | Iustin Pop | logger.Error("Can't rollback on secondary")
|
3370 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, instance.primary_node)
|
3371 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(instance.primary_node, new_drbd): |
3372 | a8083063 | Iustin Pop | logger.Error("Can't rollback on primary")
|
3373 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't add mirror component to md array") |
3374 | a8083063 | Iustin Pop | |
3375 | a8083063 | Iustin Pop | disk.children.append(new_drbd) |
3376 | a8083063 | Iustin Pop | |
3377 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
3378 | a8083063 | Iustin Pop | |
3379 | 5bfac263 | Iustin Pop | _WaitForSync(self.cfg, instance, self.proc) |
3380 | a8083063 | Iustin Pop | |
3381 | a8083063 | Iustin Pop | return 0 |
3382 | a8083063 | Iustin Pop | |
3383 | a8083063 | Iustin Pop | |
3384 | a8083063 | Iustin Pop | class LURemoveMDDRBDComponent(LogicalUnit): |
3385 | a8083063 | Iustin Pop | """Remove a component from a remote_raid1 disk.
|
3386 | a8083063 | Iustin Pop |
|
3387 | a8083063 | Iustin Pop | """
|
3388 | a8083063 | Iustin Pop | HPATH = "mirror-remove"
|
3389 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3390 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "disk_name", "disk_id"] |
3391 | a8083063 | Iustin Pop | |
3392 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3393 | a8083063 | Iustin Pop | """Build hooks env.
|
3394 | a8083063 | Iustin Pop |
|
3395 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3396 | a8083063 | Iustin Pop |
|
3397 | a8083063 | Iustin Pop | """
|
3398 | a8083063 | Iustin Pop | env = { |
3399 | a8083063 | Iustin Pop | "DISK_NAME": self.op.disk_name, |
3400 | a8083063 | Iustin Pop | "DISK_ID": self.op.disk_id, |
3401 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.old_secondary, |
3402 | a8083063 | Iustin Pop | } |
3403 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3404 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
3405 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
3406 | a8083063 | Iustin Pop | return env, nl, nl
|
3407 | a8083063 | Iustin Pop | |
3408 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3409 | a8083063 | Iustin Pop | """Check prerequisites.
|
3410 | a8083063 | Iustin Pop |
|
3411 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3412 | a8083063 | Iustin Pop |
|
3413 | a8083063 | Iustin Pop | """
|
3414 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3415 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3416 | a8083063 | Iustin Pop | if instance is None: |
3417 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3418 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3419 | a8083063 | Iustin Pop | self.instance = instance
|
3420 | a8083063 | Iustin Pop | |
3421 | a8083063 | Iustin Pop | if instance.disk_template != constants.DT_REMOTE_RAID1:
|
3422 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3423 | 3ecf6786 | Iustin Pop | " remote_raid1.")
|
3424 | a8083063 | Iustin Pop | for disk in instance.disks: |
3425 | a8083063 | Iustin Pop | if disk.iv_name == self.op.disk_name: |
3426 | a8083063 | Iustin Pop | break
|
3427 | a8083063 | Iustin Pop | else:
|
3428 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find this device ('%s') in the" |
3429 | 3ecf6786 | Iustin Pop | " instance." % self.op.disk_name) |
3430 | a8083063 | Iustin Pop | for child in disk.children: |
3431 | fe96220b | Iustin Pop | if (child.dev_type == constants.LD_DRBD7 and |
3432 | fe96220b | Iustin Pop | child.logical_id[2] == self.op.disk_id): |
3433 | a8083063 | Iustin Pop | break
|
3434 | a8083063 | Iustin Pop | else:
|
3435 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find the device with this port.") |
3436 | a8083063 | Iustin Pop | |
3437 | a8083063 | Iustin Pop | if len(disk.children) < 2: |
3438 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cannot remove the last component from" |
3439 | 3ecf6786 | Iustin Pop | " a mirror.")
|
3440 | a8083063 | Iustin Pop | self.disk = disk
|
3441 | a8083063 | Iustin Pop | self.child = child
|
3442 | a8083063 | Iustin Pop | if self.child.logical_id[0] == instance.primary_node: |
3443 | a8083063 | Iustin Pop | oid = 1
|
3444 | a8083063 | Iustin Pop | else:
|
3445 | a8083063 | Iustin Pop | oid = 0
|
3446 | a8083063 | Iustin Pop | self.old_secondary = self.child.logical_id[oid] |
3447 | a8083063 | Iustin Pop | |
3448 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3449 | a8083063 | Iustin Pop | """Remove the mirror component
|
3450 | a8083063 | Iustin Pop |
|
3451 | a8083063 | Iustin Pop | """
|
3452 | a8083063 | Iustin Pop | instance = self.instance
|
3453 | a8083063 | Iustin Pop | disk = self.disk
|
3454 | a8083063 | Iustin Pop | child = self.child
|
3455 | a8083063 | Iustin Pop | logger.Info("remove mirror component")
|
3456 | a8083063 | Iustin Pop | self.cfg.SetDiskID(disk, instance.primary_node)
|
3457 | 153d9724 | Iustin Pop | if not rpc.call_blockdev_removechildren(instance.primary_node, |
3458 | 153d9724 | Iustin Pop | disk, [child]): |
3459 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't remove child from mirror.") |
3460 | a8083063 | Iustin Pop | |
3461 | a8083063 | Iustin Pop | for node in child.logical_id[:2]: |
3462 | a8083063 | Iustin Pop | self.cfg.SetDiskID(child, node)
|
3463 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, child): |
3464 | a8083063 | Iustin Pop | logger.Error("Warning: failed to remove device from node %s,"
|
3465 | a8083063 | Iustin Pop | " continuing operation." % node)
|
3466 | a8083063 | Iustin Pop | |
3467 | a8083063 | Iustin Pop | disk.children.remove(child) |
3468 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
3469 | a8083063 | Iustin Pop | |
3470 | a8083063 | Iustin Pop | |
3471 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
3472 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3473 | a8083063 | Iustin Pop |
|
3474 | a8083063 | Iustin Pop | """
|
3475 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
3476 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3477 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
3478 | a8083063 | Iustin Pop | |
3479 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3480 | a8083063 | Iustin Pop | """Build hooks env.
|
3481 | a8083063 | Iustin Pop |
|
3482 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3483 | a8083063 | Iustin Pop |
|
3484 | a8083063 | Iustin Pop | """
|
3485 | a8083063 | Iustin Pop | env = { |
3486 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
3487 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3488 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.instance.secondary_nodes[0], |
3489 | a8083063 | Iustin Pop | } |
3490 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3491 | 0834c866 | Iustin Pop | nl = [ |
3492 | 0834c866 | Iustin Pop | self.sstore.GetMasterNode(),
|
3493 | 0834c866 | Iustin Pop | self.instance.primary_node,
|
3494 | 0834c866 | Iustin Pop | ] |
3495 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
3496 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
3497 | a8083063 | Iustin Pop | return env, nl, nl
|
3498 | a8083063 | Iustin Pop | |
3499 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3500 | a8083063 | Iustin Pop | """Check prerequisites.
|
3501 | a8083063 | Iustin Pop |
|
3502 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3503 | a8083063 | Iustin Pop |
|
3504 | a8083063 | Iustin Pop | """
|
3505 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3506 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3507 | a8083063 | Iustin Pop | if instance is None: |
3508 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3509 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3510 | a8083063 | Iustin Pop | self.instance = instance
|
3511 | 7df43a76 | Iustin Pop | self.op.instance_name = instance.name
|
3512 | a8083063 | Iustin Pop | |
3513 | a9e0c397 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
3514 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3515 | a9e0c397 | Iustin Pop | " network mirrored.")
|
3516 | a8083063 | Iustin Pop | |
3517 | a8083063 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
3518 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
3519 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
3520 | 3ecf6786 | Iustin Pop | len(instance.secondary_nodes))
|
3521 | a8083063 | Iustin Pop | |
3522 | a9e0c397 | Iustin Pop | self.sec_node = instance.secondary_nodes[0] |
3523 | a9e0c397 | Iustin Pop | |
3524 | a8083063 | Iustin Pop | remote_node = getattr(self.op, "remote_node", None) |
3525 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3526 | a8083063 | Iustin Pop | remote_node = self.cfg.ExpandNodeName(remote_node)
|
3527 | a8083063 | Iustin Pop | if remote_node is None: |
3528 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % |
3529 | 3ecf6786 | Iustin Pop | self.op.remote_node)
|
3530 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
3531 | a9e0c397 | Iustin Pop | else:
|
3532 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
3533 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3534 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3535 | 3ecf6786 | Iustin Pop | " the instance.")
|
3536 | a9e0c397 | Iustin Pop | elif remote_node == self.sec_node: |
3537 | 0834c866 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_SEC: |
3538 | 0834c866 | Iustin Pop | # this is for DRBD8, where we can't execute the same mode of
|
3539 | 0834c866 | Iustin Pop | # replacement as for drbd7 (no different port allocated)
|
3540 | 0834c866 | Iustin Pop | raise errors.OpPrereqError("Same secondary given, cannot execute" |
3541 | 0834c866 | Iustin Pop | " replacement")
|
3542 | a9e0c397 | Iustin Pop | # the user gave the current secondary, switch to
|
3543 | 0834c866 | Iustin Pop | # 'no-replace-secondary' mode for drbd7
|
3544 | a9e0c397 | Iustin Pop | remote_node = None
|
3545 | a9e0c397 | Iustin Pop | if (instance.disk_template == constants.DT_REMOTE_RAID1 and |
3546 | a9e0c397 | Iustin Pop | self.op.mode != constants.REPLACE_DISK_ALL):
|
3547 | a9e0c397 | Iustin Pop | raise errors.OpPrereqError("Template 'remote_raid1' only allows all" |
3548 | a9e0c397 | Iustin Pop | " disks replacement, not individual ones")
|
3549 | a9e0c397 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
3550 | 7df43a76 | Iustin Pop | if (self.op.mode == constants.REPLACE_DISK_ALL and |
3551 | 7df43a76 | Iustin Pop | remote_node is not None): |
3552 | 7df43a76 | Iustin Pop | # switch to replace secondary mode
|
3553 | 7df43a76 | Iustin Pop | self.op.mode = constants.REPLACE_DISK_SEC
|
3554 | 7df43a76 | Iustin Pop | |
3555 | a9e0c397 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_ALL: |
3556 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' only allows primary or" |
3557 | a9e0c397 | Iustin Pop | " secondary disk replacement, not"
|
3558 | a9e0c397 | Iustin Pop | " both at once")
|
3559 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_PRI: |
3560 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3561 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' does not allow changing" |
3562 | a9e0c397 | Iustin Pop | " the secondary while doing a primary"
|
3563 | a9e0c397 | Iustin Pop | " node disk replacement")
|
3564 | a9e0c397 | Iustin Pop | self.tgt_node = instance.primary_node
|
3565 | cff90b79 | Iustin Pop | self.oth_node = instance.secondary_nodes[0] |
3566 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_SEC: |
3567 | a9e0c397 | Iustin Pop | self.new_node = remote_node # this can be None, in which case |
3568 | a9e0c397 | Iustin Pop | # we don't change the secondary
|
3569 | a9e0c397 | Iustin Pop | self.tgt_node = instance.secondary_nodes[0] |
3570 | cff90b79 | Iustin Pop | self.oth_node = instance.primary_node
|
3571 | a9e0c397 | Iustin Pop | else:
|
3572 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replace mode") |
3573 | a9e0c397 | Iustin Pop | |
3574 | a9e0c397 | Iustin Pop | for name in self.op.disks: |
3575 | a9e0c397 | Iustin Pop | if instance.FindDisk(name) is None: |
3576 | a9e0c397 | Iustin Pop | raise errors.OpPrereqError("Disk '%s' not found for instance '%s'" % |
3577 | a9e0c397 | Iustin Pop | (name, instance.name)) |
3578 | a8083063 | Iustin Pop | self.op.remote_node = remote_node
|
3579 | a8083063 | Iustin Pop | |
3580 | a9e0c397 | Iustin Pop | def _ExecRR1(self, feedback_fn): |
3581 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3582 | a8083063 | Iustin Pop |
|
3583 | a8083063 | Iustin Pop | """
|
3584 | a8083063 | Iustin Pop | instance = self.instance
|
3585 | a8083063 | Iustin Pop | iv_names = {} |
3586 | a8083063 | Iustin Pop | # start of work
|
3587 | a9e0c397 | Iustin Pop | if self.op.remote_node is None: |
3588 | a9e0c397 | Iustin Pop | remote_node = self.sec_node
|
3589 | a9e0c397 | Iustin Pop | else:
|
3590 | a9e0c397 | Iustin Pop | remote_node = self.op.remote_node
|
3591 | a8083063 | Iustin Pop | cfg = self.cfg
|
3592 | a8083063 | Iustin Pop | for dev in instance.disks: |
3593 | a8083063 | Iustin Pop | size = dev.size |
3594 | 923b1523 | Iustin Pop | lv_names = [".%s_%s" % (dev.iv_name, suf) for suf in ["data", "meta"]] |
3595 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, lv_names) |
3596 | 923b1523 | Iustin Pop | new_drbd = _GenerateMDDRBDBranch(cfg, instance.primary_node, |
3597 | 923b1523 | Iustin Pop | remote_node, size, names) |
3598 | a8083063 | Iustin Pop | iv_names[dev.iv_name] = (dev, dev.children[0], new_drbd)
|
3599 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on secondary for %s" %
|
3600 | a8083063 | Iustin Pop | dev.iv_name) |
3601 | a8083063 | Iustin Pop | #HARDCODE
|
3602 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, remote_node, instance, |
3603 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
3604 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3605 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Failed to create new component on secondary" |
3606 | f4bc1f2c | Michael Hanselmann | " node %s. Full abort, cleanup manually!" %
|
3607 | 3ecf6786 | Iustin Pop | remote_node) |
3608 | a8083063 | Iustin Pop | |
3609 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on primary")
|
3610 | a8083063 | Iustin Pop | #HARDCODE
|
3611 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, instance.primary_node, |
3612 | 3f78eef2 | Iustin Pop | instance, new_drbd, |
3613 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3614 | a8083063 | Iustin Pop | # remove secondary dev
|
3615 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, remote_node) |
3616 | a8083063 | Iustin Pop | rpc.call_blockdev_remove(remote_node, new_drbd) |
3617 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Failed to create volume on primary!" |
3618 | f4bc1f2c | Michael Hanselmann | " Full abort, cleanup manually!!")
|
3619 | a8083063 | Iustin Pop | |
3620 | a8083063 | Iustin Pop | # the device exists now
|
3621 | a8083063 | Iustin Pop | # call the primary node to add the mirror to md
|
3622 | a8083063 | Iustin Pop | logger.Info("adding new mirror component to md")
|
3623 | 153d9724 | Iustin Pop | if not rpc.call_blockdev_addchildren(instance.primary_node, dev, |
3624 | 153d9724 | Iustin Pop | [new_drbd]): |
3625 | a8083063 | Iustin Pop | logger.Error("Can't add mirror compoment to md!")
|
3626 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, remote_node) |
3627 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(remote_node, new_drbd): |
3628 | a8083063 | Iustin Pop | logger.Error("Can't rollback on secondary")
|
3629 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, instance.primary_node) |
3630 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(instance.primary_node, new_drbd): |
3631 | a8083063 | Iustin Pop | logger.Error("Can't rollback on primary")
|
3632 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Full abort, cleanup manually!!") |
3633 | a8083063 | Iustin Pop | |
3634 | a8083063 | Iustin Pop | dev.children.append(new_drbd) |
3635 | a8083063 | Iustin Pop | cfg.AddInstance(instance) |
3636 | a8083063 | Iustin Pop | |
3637 | a8083063 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3638 | a8083063 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3639 | a8083063 | Iustin Pop | # return value
|
3640 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3641 | a8083063 | Iustin Pop | |
3642 | a8083063 | Iustin Pop | # so check manually all the devices
|
3643 | a8083063 | Iustin Pop | for name in iv_names: |
3644 | a8083063 | Iustin Pop | dev, child, new_drbd = iv_names[name] |
3645 | a8083063 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3646 | a8083063 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, dev)[5]
|
3647 | a8083063 | Iustin Pop | if is_degr:
|
3648 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("MD device %s is degraded!" % name) |
3649 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, instance.primary_node) |
3650 | a8083063 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, new_drbd)[5]
|
3651 | a8083063 | Iustin Pop | if is_degr:
|
3652 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("New drbd device %s is degraded!" % name) |
3653 | a8083063 | Iustin Pop | |
3654 | a8083063 | Iustin Pop | for name in iv_names: |
3655 | a8083063 | Iustin Pop | dev, child, new_drbd = iv_names[name] |
3656 | a8083063 | Iustin Pop | logger.Info("remove mirror %s component" % name)
|
3657 | a8083063 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3658 | 153d9724 | Iustin Pop | if not rpc.call_blockdev_removechildren(instance.primary_node, |
3659 | 153d9724 | Iustin Pop | dev, [child]): |
3660 | a8083063 | Iustin Pop | logger.Error("Can't remove child from mirror, aborting"
|
3661 | a8083063 | Iustin Pop | " *this device cleanup*.\nYou need to cleanup manually!!")
|
3662 | a8083063 | Iustin Pop | continue
|
3663 | a8083063 | Iustin Pop | |
3664 | a8083063 | Iustin Pop | for node in child.logical_id[:2]: |
3665 | a8083063 | Iustin Pop | logger.Info("remove child device on %s" % node)
|
3666 | a8083063 | Iustin Pop | cfg.SetDiskID(child, node) |
3667 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, child): |
3668 | a8083063 | Iustin Pop | logger.Error("Warning: failed to remove device from node %s,"
|
3669 | a8083063 | Iustin Pop | " continuing operation." % node)
|
3670 | a8083063 | Iustin Pop | |
3671 | a8083063 | Iustin Pop | dev.children.remove(child) |
3672 | a8083063 | Iustin Pop | |
3673 | a8083063 | Iustin Pop | cfg.AddInstance(instance) |
3674 | a8083063 | Iustin Pop | |
3675 | a9e0c397 | Iustin Pop | def _ExecD8DiskOnly(self, feedback_fn): |
3676 | a9e0c397 | Iustin Pop | """Replace a disk on the primary or secondary for dbrd8.
|
3677 | a9e0c397 | Iustin Pop |
|
3678 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3679 | a9e0c397 | Iustin Pop | - for each disk to be replaced:
|
3680 | a9e0c397 | Iustin Pop | - create new LVs on the target node with unique names
|
3681 | a9e0c397 | Iustin Pop | - detach old LVs from the drbd device
|
3682 | a9e0c397 | Iustin Pop | - rename old LVs to name_replaced.<time_t>
|
3683 | a9e0c397 | Iustin Pop | - rename new LVs to old LVs
|
3684 | a9e0c397 | Iustin Pop | - attach the new LVs (with the old names now) to the drbd device
|
3685 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3686 | a9e0c397 | Iustin Pop | - for each modified disk:
|
3687 | a9e0c397 | Iustin Pop | - remove old LVs (which have the name name_replaces.<time_t>)
|
3688 | a9e0c397 | Iustin Pop |
|
3689 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3690 | cff90b79 | Iustin Pop |
|
3691 | a9e0c397 | Iustin Pop | """
|
3692 | cff90b79 | Iustin Pop | steps_total = 6
|
3693 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3694 | a9e0c397 | Iustin Pop | instance = self.instance
|
3695 | a9e0c397 | Iustin Pop | iv_names = {} |
3696 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3697 | a9e0c397 | Iustin Pop | # start of work
|
3698 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3699 | a9e0c397 | Iustin Pop | tgt_node = self.tgt_node
|
3700 | cff90b79 | Iustin Pop | oth_node = self.oth_node
|
3701 | cff90b79 | Iustin Pop | |
3702 | cff90b79 | Iustin Pop | # Step: check device activation
|
3703 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3704 | cff90b79 | Iustin Pop | info("checking volume groups")
|
3705 | cff90b79 | Iustin Pop | my_vg = cfg.GetVGName() |
3706 | cff90b79 | Iustin Pop | results = rpc.call_vg_list([oth_node, tgt_node]) |
3707 | cff90b79 | Iustin Pop | if not results: |
3708 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3709 | cff90b79 | Iustin Pop | for node in oth_node, tgt_node: |
3710 | cff90b79 | Iustin Pop | res = results.get(node, False)
|
3711 | cff90b79 | Iustin Pop | if not res or my_vg not in res: |
3712 | cff90b79 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3713 | cff90b79 | Iustin Pop | (my_vg, node)) |
3714 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3715 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3716 | cff90b79 | Iustin Pop | continue
|
3717 | cff90b79 | Iustin Pop | for node in tgt_node, oth_node: |
3718 | cff90b79 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, node))
|
3719 | cff90b79 | Iustin Pop | cfg.SetDiskID(dev, node) |
3720 | cff90b79 | Iustin Pop | if not rpc.call_blockdev_find(node, dev): |
3721 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3722 | cff90b79 | Iustin Pop | (dev.iv_name, node)) |
3723 | cff90b79 | Iustin Pop | |
3724 | cff90b79 | Iustin Pop | # Step: check other node consistency
|
3725 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3726 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3727 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3728 | cff90b79 | Iustin Pop | continue
|
3729 | cff90b79 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, oth_node))
|
3730 | cff90b79 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, oth_node, |
3731 | cff90b79 | Iustin Pop | oth_node==instance.primary_node): |
3732 | cff90b79 | Iustin Pop | raise errors.OpExecError("Peer node (%s) has degraded storage, unsafe" |
3733 | cff90b79 | Iustin Pop | " to replace disks on this node (%s)" %
|
3734 | cff90b79 | Iustin Pop | (oth_node, tgt_node)) |
3735 | cff90b79 | Iustin Pop | |
3736 | cff90b79 | Iustin Pop | # Step: create new storage
|
3737 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3738 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3739 | a9e0c397 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3740 | a9e0c397 | Iustin Pop | continue
|
3741 | a9e0c397 | Iustin Pop | size = dev.size |
3742 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, tgt_node) |
3743 | a9e0c397 | Iustin Pop | lv_names = [".%s_%s" % (dev.iv_name, suf) for suf in ["data", "meta"]] |
3744 | a9e0c397 | Iustin Pop | names = _GenerateUniqueNames(cfg, lv_names) |
3745 | a9e0c397 | Iustin Pop | lv_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
3746 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
3747 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
3748 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
3749 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
3750 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
3751 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
3752 | cff90b79 | Iustin Pop | info("creating new local storage on %s for %s" %
|
3753 | cff90b79 | Iustin Pop | (tgt_node, dev.iv_name)) |
3754 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3755 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3756 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3757 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3758 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, tgt_node, instance, new_lv, |
3759 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3760 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3761 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3762 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], tgt_node))
|
3763 | a9e0c397 | Iustin Pop | |
3764 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
3765 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "change drbd configuration") |
3766 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
3767 | cff90b79 | Iustin Pop | info("detaching %s drbd from local storage" % dev.iv_name)
|
3768 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_removechildren(tgt_node, dev, old_lvs): |
3769 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Can't detach drbd from local storage on node" |
3770 | a9e0c397 | Iustin Pop | " %s for device %s" % (tgt_node, dev.iv_name))
|
3771 | cff90b79 | Iustin Pop | #dev.children = []
|
3772 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
3773 | a9e0c397 | Iustin Pop | |
3774 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
3775 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
3776 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
3777 | c99a3cc0 | Manuel Franceschini | # using the assumption that logical_id == physical_id (which in
|
3778 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
3779 | cff90b79 | Iustin Pop | |
3780 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
3781 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
3782 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
3783 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
3784 | cff90b79 | Iustin Pop | # build the rename list based on what LVs exist on the node
|
3785 | cff90b79 | Iustin Pop | rlist = [] |
3786 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
3787 | cff90b79 | Iustin Pop | find_res = rpc.call_blockdev_find(tgt_node, to_ren) |
3788 | cff90b79 | Iustin Pop | if find_res is not None: # device exists |
3789 | cff90b79 | Iustin Pop | rlist.append((to_ren, ren_fn(to_ren, temp_suffix))) |
3790 | cff90b79 | Iustin Pop | |
3791 | cff90b79 | Iustin Pop | info("renaming the old LVs on the target node")
|
3792 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_rename(tgt_node, rlist): |
3793 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename old LVs on node %s" % tgt_node) |
3794 | a9e0c397 | Iustin Pop | # now we rename the new LVs to the old LVs
|
3795 | cff90b79 | Iustin Pop | info("renaming the new LVs on the target node")
|
3796 | a9e0c397 | Iustin Pop | rlist = [(new, old.physical_id) for old, new in zip(old_lvs, new_lvs)] |
3797 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_rename(tgt_node, rlist): |
3798 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename new LVs on node %s" % tgt_node) |
3799 | cff90b79 | Iustin Pop | |
3800 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
3801 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
3802 | cff90b79 | Iustin Pop | cfg.SetDiskID(new, tgt_node) |
3803 | a9e0c397 | Iustin Pop | |
3804 | cff90b79 | Iustin Pop | for disk in old_lvs: |
3805 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
3806 | cff90b79 | Iustin Pop | cfg.SetDiskID(disk, tgt_node) |
3807 | a9e0c397 | Iustin Pop | |
3808 | a9e0c397 | Iustin Pop | # now that the new lvs have the old name, we can add them to the device
|
3809 | cff90b79 | Iustin Pop | info("adding new mirror component on %s" % tgt_node)
|
3810 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_addchildren(tgt_node, dev, new_lvs): |
3811 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3812 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(tgt_node, new_lv): |
3813 | 79caa9ed | Guido Trotter | warning("Can't rollback device %s", hint="manually cleanup unused" |
3814 | cff90b79 | Iustin Pop | " logical volumes")
|
3815 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd") |
3816 | a9e0c397 | Iustin Pop | |
3817 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
3818 | a9e0c397 | Iustin Pop | cfg.Update(instance) |
3819 | a9e0c397 | Iustin Pop | |
3820 | cff90b79 | Iustin Pop | # Step: wait for sync
|
3821 | a9e0c397 | Iustin Pop | |
3822 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3823 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3824 | a9e0c397 | Iustin Pop | # return value
|
3825 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
3826 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3827 | a9e0c397 | Iustin Pop | |
3828 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
3829 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
3830 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3831 | a9e0c397 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, dev)[5]
|
3832 | a9e0c397 | Iustin Pop | if is_degr:
|
3833 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
3834 | a9e0c397 | Iustin Pop | |
3835 | cff90b79 | Iustin Pop | # Step: remove old storage
|
3836 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
3837 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
3838 | cff90b79 | Iustin Pop | info("remove logical volumes for %s" % name)
|
3839 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
3840 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, tgt_node) |
3841 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(tgt_node, lv): |
3842 | 79caa9ed | Guido Trotter | warning("Can't remove old LV", hint="manually remove unused LVs") |
3843 | a9e0c397 | Iustin Pop | continue
|
3844 | a9e0c397 | Iustin Pop | |
3845 | a9e0c397 | Iustin Pop | def _ExecD8Secondary(self, feedback_fn): |
3846 | a9e0c397 | Iustin Pop | """Replace the secondary node for drbd8.
|
3847 | a9e0c397 | Iustin Pop |
|
3848 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3849 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
3850 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
3851 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
3852 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
3853 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
3854 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
3855 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
3856 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
3857 | a9e0c397 | Iustin Pop | not network enabled
|
3858 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3859 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
3860 | a9e0c397 | Iustin Pop |
|
3861 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3862 | 0834c866 | Iustin Pop |
|
3863 | a9e0c397 | Iustin Pop | """
|
3864 | 0834c866 | Iustin Pop | steps_total = 6
|
3865 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3866 | a9e0c397 | Iustin Pop | instance = self.instance
|
3867 | a9e0c397 | Iustin Pop | iv_names = {} |
3868 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3869 | a9e0c397 | Iustin Pop | # start of work
|
3870 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3871 | a9e0c397 | Iustin Pop | old_node = self.tgt_node
|
3872 | a9e0c397 | Iustin Pop | new_node = self.new_node
|
3873 | a9e0c397 | Iustin Pop | pri_node = instance.primary_node |
3874 | 0834c866 | Iustin Pop | |
3875 | 0834c866 | Iustin Pop | # Step: check device activation
|
3876 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3877 | 0834c866 | Iustin Pop | info("checking volume groups")
|
3878 | 0834c866 | Iustin Pop | my_vg = cfg.GetVGName() |
3879 | 0834c866 | Iustin Pop | results = rpc.call_vg_list([pri_node, new_node]) |
3880 | 0834c866 | Iustin Pop | if not results: |
3881 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3882 | 0834c866 | Iustin Pop | for node in pri_node, new_node: |
3883 | 0834c866 | Iustin Pop | res = results.get(node, False)
|
3884 | 0834c866 | Iustin Pop | if not res or my_vg not in res: |
3885 | 0834c866 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3886 | 0834c866 | Iustin Pop | (my_vg, node)) |
3887 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3888 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3889 | 0834c866 | Iustin Pop | continue
|
3890 | 0834c866 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, pri_node))
|
3891 | 0834c866 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3892 | 0834c866 | Iustin Pop | if not rpc.call_blockdev_find(pri_node, dev): |
3893 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3894 | 0834c866 | Iustin Pop | (dev.iv_name, pri_node)) |
3895 | 0834c866 | Iustin Pop | |
3896 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
3897 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3898 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3899 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3900 | 0834c866 | Iustin Pop | continue
|
3901 | 0834c866 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, pri_node))
|
3902 | 0834c866 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, pri_node, True, ldisk=True): |
3903 | 0834c866 | Iustin Pop | raise errors.OpExecError("Primary node (%s) has degraded storage," |
3904 | 0834c866 | Iustin Pop | " unsafe to replace the secondary" %
|
3905 | 0834c866 | Iustin Pop | pri_node) |
3906 | 0834c866 | Iustin Pop | |
3907 | 0834c866 | Iustin Pop | # Step: create new storage
|
3908 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3909 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3910 | a9e0c397 | Iustin Pop | size = dev.size |
3911 | 0834c866 | Iustin Pop | info("adding new local storage on %s for %s" % (new_node, dev.iv_name))
|
3912 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3913 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3914 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3915 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
3916 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, new_node, instance, new_lv, |
3917 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3918 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3919 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3920 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], new_node))
|
3921 | a9e0c397 | Iustin Pop | |
3922 | 0834c866 | Iustin Pop | iv_names[dev.iv_name] = (dev, dev.children) |
3923 | 0834c866 | Iustin Pop | |
3924 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "changing drbd configuration") |
3925 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3926 | 0834c866 | Iustin Pop | size = dev.size |
3927 | 0834c866 | Iustin Pop | info("activating a new drbd on %s for %s" % (new_node, dev.iv_name))
|
3928 | a9e0c397 | Iustin Pop | # create new devices on new_node
|
3929 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
3930 | a9e0c397 | Iustin Pop | logical_id=(pri_node, new_node, |
3931 | a9e0c397 | Iustin Pop | dev.logical_id[2]),
|
3932 | a9e0c397 | Iustin Pop | children=dev.children) |
3933 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, new_node, instance, |
3934 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
3935 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3936 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new DRBD on" |
3937 | a9e0c397 | Iustin Pop | " node '%s'" % new_node)
|
3938 | a9e0c397 | Iustin Pop | |
3939 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3940 | a9e0c397 | Iustin Pop | # we have new devices, shutdown the drbd on the old secondary
|
3941 | 0834c866 | Iustin Pop | info("shutting down drbd for %s on old node" % dev.iv_name)
|
3942 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, old_node) |
3943 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_shutdown(old_node, dev): |
3944 | 0834c866 | Iustin Pop | warning("Failed to shutdown drbd for %s on old node" % dev.iv_name,
|
3945 | 79caa9ed | Guido Trotter | hint="Please cleanup this device manually as soon as possible")
|
3946 | a9e0c397 | Iustin Pop | |
3947 | 642445d9 | Iustin Pop | info("detaching primary drbds from the network (=> standalone)")
|
3948 | 642445d9 | Iustin Pop | done = 0
|
3949 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3950 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3951 | 642445d9 | Iustin Pop | # set the physical (unique in bdev terms) id to None, meaning
|
3952 | 642445d9 | Iustin Pop | # detach from network
|
3953 | 642445d9 | Iustin Pop | dev.physical_id = (None,) * len(dev.physical_id) |
3954 | 642445d9 | Iustin Pop | # and 'find' the device, which will 'fix' it to match the
|
3955 | 642445d9 | Iustin Pop | # standalone state
|
3956 | 642445d9 | Iustin Pop | if rpc.call_blockdev_find(pri_node, dev):
|
3957 | 642445d9 | Iustin Pop | done += 1
|
3958 | 642445d9 | Iustin Pop | else:
|
3959 | 642445d9 | Iustin Pop | warning("Failed to detach drbd %s from network, unusual case" %
|
3960 | 642445d9 | Iustin Pop | dev.iv_name) |
3961 | 642445d9 | Iustin Pop | |
3962 | 642445d9 | Iustin Pop | if not done: |
3963 | 642445d9 | Iustin Pop | # no detaches succeeded (very unlikely)
|
3964 | 642445d9 | Iustin Pop | raise errors.OpExecError("Can't detach at least one DRBD from old node") |
3965 | 642445d9 | Iustin Pop | |
3966 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
3967 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
3968 | 642445d9 | Iustin Pop | info("updating instance configuration")
|
3969 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3970 | 642445d9 | Iustin Pop | dev.logical_id = (pri_node, new_node) + dev.logical_id[2:]
|
3971 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3972 | 642445d9 | Iustin Pop | cfg.Update(instance) |
3973 | a9e0c397 | Iustin Pop | |
3974 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
3975 | 642445d9 | Iustin Pop | info("attaching primary drbds to new secondary (standalone => connected)")
|
3976 | 642445d9 | Iustin Pop | failures = [] |
3977 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3978 | 642445d9 | Iustin Pop | info("attaching primary drbd for %s to new secondary node" % dev.iv_name)
|
3979 | 642445d9 | Iustin Pop | # since the attach is smart, it's enough to 'find' the device,
|
3980 | 642445d9 | Iustin Pop | # it will automatically activate the network, if the physical_id
|
3981 | 642445d9 | Iustin Pop | # is correct
|
3982 | 642445d9 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3983 | 642445d9 | Iustin Pop | if not rpc.call_blockdev_find(pri_node, dev): |
3984 | 642445d9 | Iustin Pop | warning("can't attach drbd %s to new secondary!" % dev.iv_name,
|
3985 | 642445d9 | Iustin Pop | "please do a gnt-instance info to see the status of disks")
|
3986 | a9e0c397 | Iustin Pop | |
3987 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3988 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3989 | a9e0c397 | Iustin Pop | # return value
|
3990 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
3991 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3992 | a9e0c397 | Iustin Pop | |
3993 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
3994 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs) in iv_names.iteritems(): |
3995 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3996 | a9e0c397 | Iustin Pop | is_degr = rpc.call_blockdev_find(pri_node, dev)[5]
|
3997 | a9e0c397 | Iustin Pop | if is_degr:
|
3998 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
3999 | a9e0c397 | Iustin Pop | |
4000 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
4001 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs) in iv_names.iteritems(): |
4002 | 0834c866 | Iustin Pop | info("remove logical volumes for %s" % name)
|
4003 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
4004 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, old_node) |
4005 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(old_node, lv): |
4006 | 0834c866 | Iustin Pop | warning("Can't remove LV on old secondary",
|
4007 | 79caa9ed | Guido Trotter | hint="Cleanup stale volumes by hand")
|
4008 | a9e0c397 | Iustin Pop | |
4009 | a9e0c397 | Iustin Pop | def Exec(self, feedback_fn): |
4010 | a9e0c397 | Iustin Pop | """Execute disk replacement.
|
4011 | a9e0c397 | Iustin Pop |
|
4012 | a9e0c397 | Iustin Pop | This dispatches the disk replacement to the appropriate handler.
|
4013 | a9e0c397 | Iustin Pop |
|
4014 | a9e0c397 | Iustin Pop | """
|
4015 | a9e0c397 | Iustin Pop | instance = self.instance
|
4016 | a9e0c397 | Iustin Pop | if instance.disk_template == constants.DT_REMOTE_RAID1:
|
4017 | a9e0c397 | Iustin Pop | fn = self._ExecRR1
|
4018 | a9e0c397 | Iustin Pop | elif instance.disk_template == constants.DT_DRBD8:
|
4019 | a9e0c397 | Iustin Pop | if self.op.remote_node is None: |
4020 | a9e0c397 | Iustin Pop | fn = self._ExecD8DiskOnly
|
4021 | a9e0c397 | Iustin Pop | else:
|
4022 | a9e0c397 | Iustin Pop | fn = self._ExecD8Secondary
|
4023 | a9e0c397 | Iustin Pop | else:
|
4024 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replacement case") |
4025 | a9e0c397 | Iustin Pop | return fn(feedback_fn)
|
4026 | a9e0c397 | Iustin Pop | |
4027 | a8083063 | Iustin Pop | |
4028 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
4029 | a8083063 | Iustin Pop | """Query runtime instance data.
|
4030 | a8083063 | Iustin Pop |
|
4031 | a8083063 | Iustin Pop | """
|
4032 | a8083063 | Iustin Pop | _OP_REQP = ["instances"]
|
4033 | a8083063 | Iustin Pop | |
4034 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4035 | a8083063 | Iustin Pop | """Check prerequisites.
|
4036 | a8083063 | Iustin Pop |
|
4037 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
4038 | a8083063 | Iustin Pop |
|
4039 | a8083063 | Iustin Pop | """
|
4040 | a8083063 | Iustin Pop | if not isinstance(self.op.instances, list): |
4041 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
4042 | a8083063 | Iustin Pop | if self.op.instances: |
4043 | a8083063 | Iustin Pop | self.wanted_instances = []
|
4044 | a8083063 | Iustin Pop | names = self.op.instances
|
4045 | a8083063 | Iustin Pop | for name in names: |
4046 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(self.cfg.ExpandInstanceName(name)) |
4047 | a8083063 | Iustin Pop | if instance is None: |
4048 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
4049 | 515207af | Guido Trotter | self.wanted_instances.append(instance)
|
4050 | a8083063 | Iustin Pop | else:
|
4051 | a8083063 | Iustin Pop | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
4052 | a8083063 | Iustin Pop | in self.cfg.GetInstanceList()] |
4053 | a8083063 | Iustin Pop | return
|
4054 | a8083063 | Iustin Pop | |
4055 | a8083063 | Iustin Pop | |
4056 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
4057 | a8083063 | Iustin Pop | """Compute block device status.
|
4058 | a8083063 | Iustin Pop |
|
4059 | a8083063 | Iustin Pop | """
|
4060 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
4061 | a8083063 | Iustin Pop | dev_pstatus = rpc.call_blockdev_find(instance.primary_node, dev) |
4062 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
4063 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
4064 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
4065 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
4066 | a8083063 | Iustin Pop | else:
|
4067 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
4068 | a8083063 | Iustin Pop | |
4069 | a8083063 | Iustin Pop | if snode:
|
4070 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
4071 | a8083063 | Iustin Pop | dev_sstatus = rpc.call_blockdev_find(snode, dev) |
4072 | a8083063 | Iustin Pop | else:
|
4073 | a8083063 | Iustin Pop | dev_sstatus = None
|
4074 | a8083063 | Iustin Pop | |
4075 | a8083063 | Iustin Pop | if dev.children:
|
4076 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
4077 | a8083063 | Iustin Pop | for child in dev.children] |
4078 | a8083063 | Iustin Pop | else:
|
4079 | a8083063 | Iustin Pop | dev_children = [] |
4080 | a8083063 | Iustin Pop | |
4081 | a8083063 | Iustin Pop | data = { |
4082 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
4083 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
4084 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
4085 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
4086 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
4087 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
4088 | a8083063 | Iustin Pop | "children": dev_children,
|
4089 | a8083063 | Iustin Pop | } |
4090 | a8083063 | Iustin Pop | |
4091 | a8083063 | Iustin Pop | return data
|
4092 | a8083063 | Iustin Pop | |
4093 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4094 | a8083063 | Iustin Pop | """Gather and return data"""
|
4095 | a8083063 | Iustin Pop | result = {} |
4096 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
4097 | a8083063 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, |
4098 | a8083063 | Iustin Pop | instance.name) |
4099 | a8083063 | Iustin Pop | if remote_info and "state" in remote_info: |
4100 | a8083063 | Iustin Pop | remote_state = "up"
|
4101 | a8083063 | Iustin Pop | else:
|
4102 | a8083063 | Iustin Pop | remote_state = "down"
|
4103 | a8083063 | Iustin Pop | if instance.status == "down": |
4104 | a8083063 | Iustin Pop | config_state = "down"
|
4105 | a8083063 | Iustin Pop | else:
|
4106 | a8083063 | Iustin Pop | config_state = "up"
|
4107 | a8083063 | Iustin Pop | |
4108 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
4109 | a8083063 | Iustin Pop | for device in instance.disks] |
4110 | a8083063 | Iustin Pop | |
4111 | a8083063 | Iustin Pop | idict = { |
4112 | a8083063 | Iustin Pop | "name": instance.name,
|
4113 | a8083063 | Iustin Pop | "config_state": config_state,
|
4114 | a8083063 | Iustin Pop | "run_state": remote_state,
|
4115 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
4116 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
4117 | a8083063 | Iustin Pop | "os": instance.os,
|
4118 | a8083063 | Iustin Pop | "memory": instance.memory,
|
4119 | a8083063 | Iustin Pop | "nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics], |
4120 | a8083063 | Iustin Pop | "disks": disks,
|
4121 | 58acb49d | Alexander Schreiber | "network_port": instance.network_port,
|
4122 | f55ff7ec | Iustin Pop | "vcpus": instance.vcpus,
|
4123 | 71aa8f73 | Iustin Pop | "kernel_path": instance.kernel_path,
|
4124 | 71aa8f73 | Iustin Pop | "initrd_path": instance.initrd_path,
|
4125 | 8ae6bb54 | Iustin Pop | "hvm_boot_order": instance.hvm_boot_order,
|
4126 | a8083063 | Iustin Pop | } |
4127 | a8083063 | Iustin Pop | |
4128 | a8083063 | Iustin Pop | result[instance.name] = idict |
4129 | a8083063 | Iustin Pop | |
4130 | a8083063 | Iustin Pop | return result
|
4131 | a8083063 | Iustin Pop | |
4132 | a8083063 | Iustin Pop | |
4133 | a8083063 | Iustin Pop | class LUSetInstanceParms(LogicalUnit): |
4134 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
4135 | a8083063 | Iustin Pop |
|
4136 | a8083063 | Iustin Pop | """
|
4137 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
4138 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4139 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
4140 | a8083063 | Iustin Pop | |
4141 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4142 | a8083063 | Iustin Pop | """Build hooks env.
|
4143 | a8083063 | Iustin Pop |
|
4144 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
4145 | a8083063 | Iustin Pop |
|
4146 | a8083063 | Iustin Pop | """
|
4147 | 396e1b78 | Michael Hanselmann | args = dict()
|
4148 | a8083063 | Iustin Pop | if self.mem: |
4149 | 396e1b78 | Michael Hanselmann | args['memory'] = self.mem |
4150 | a8083063 | Iustin Pop | if self.vcpus: |
4151 | 396e1b78 | Michael Hanselmann | args['vcpus'] = self.vcpus |
4152 | ef756965 | Iustin Pop | if self.do_ip or self.do_bridge or self.mac: |
4153 | 396e1b78 | Michael Hanselmann | if self.do_ip: |
4154 | 396e1b78 | Michael Hanselmann | ip = self.ip
|
4155 | 396e1b78 | Michael Hanselmann | else:
|
4156 | 396e1b78 | Michael Hanselmann | ip = self.instance.nics[0].ip |
4157 | 396e1b78 | Michael Hanselmann | if self.bridge: |
4158 | 396e1b78 | Michael Hanselmann | bridge = self.bridge
|
4159 | 396e1b78 | Michael Hanselmann | else:
|
4160 | 396e1b78 | Michael Hanselmann | bridge = self.instance.nics[0].bridge |
4161 | ef756965 | Iustin Pop | if self.mac: |
4162 | ef756965 | Iustin Pop | mac = self.mac
|
4163 | ef756965 | Iustin Pop | else:
|
4164 | ef756965 | Iustin Pop | mac = self.instance.nics[0].mac |
4165 | ef756965 | Iustin Pop | args['nics'] = [(ip, bridge, mac)]
|
4166 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance, override=args)
|
4167 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
4168 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
4169 | a8083063 | Iustin Pop | return env, nl, nl
|
4170 | a8083063 | Iustin Pop | |
4171 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4172 | a8083063 | Iustin Pop | """Check prerequisites.
|
4173 | a8083063 | Iustin Pop |
|
4174 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
4175 | a8083063 | Iustin Pop |
|
4176 | a8083063 | Iustin Pop | """
|
4177 | a8083063 | Iustin Pop | self.mem = getattr(self.op, "mem", None) |
4178 | a8083063 | Iustin Pop | self.vcpus = getattr(self.op, "vcpus", None) |
4179 | a8083063 | Iustin Pop | self.ip = getattr(self.op, "ip", None) |
4180 | 1862d460 | Alexander Schreiber | self.mac = getattr(self.op, "mac", None) |
4181 | a8083063 | Iustin Pop | self.bridge = getattr(self.op, "bridge", None) |
4182 | 973d7867 | Iustin Pop | self.kernel_path = getattr(self.op, "kernel_path", None) |
4183 | 973d7867 | Iustin Pop | self.initrd_path = getattr(self.op, "initrd_path", None) |
4184 | 25c5878d | Alexander Schreiber | self.hvm_boot_order = getattr(self.op, "hvm_boot_order", None) |
4185 | 973d7867 | Iustin Pop | all_parms = [self.mem, self.vcpus, self.ip, self.bridge, self.mac, |
4186 | 25c5878d | Alexander Schreiber | self.kernel_path, self.initrd_path, self.hvm_boot_order] |
4187 | 973d7867 | Iustin Pop | if all_parms.count(None) == len(all_parms): |
4188 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
4189 | a8083063 | Iustin Pop | if self.mem is not None: |
4190 | a8083063 | Iustin Pop | try:
|
4191 | a8083063 | Iustin Pop | self.mem = int(self.mem) |
4192 | a8083063 | Iustin Pop | except ValueError, err: |
4193 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid memory size: %s" % str(err)) |
4194 | a8083063 | Iustin Pop | if self.vcpus is not None: |
4195 | a8083063 | Iustin Pop | try:
|
4196 | a8083063 | Iustin Pop | self.vcpus = int(self.vcpus) |
4197 | a8083063 | Iustin Pop | except ValueError, err: |
4198 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid vcpus number: %s" % str(err)) |
4199 | a8083063 | Iustin Pop | if self.ip is not None: |
4200 | a8083063 | Iustin Pop | self.do_ip = True |
4201 | a8083063 | Iustin Pop | if self.ip.lower() == "none": |
4202 | a8083063 | Iustin Pop | self.ip = None |
4203 | a8083063 | Iustin Pop | else:
|
4204 | a8083063 | Iustin Pop | if not utils.IsValidIP(self.ip): |
4205 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'." % self.ip) |
4206 | a8083063 | Iustin Pop | else:
|
4207 | a8083063 | Iustin Pop | self.do_ip = False |
4208 | ecb215b5 | Michael Hanselmann | self.do_bridge = (self.bridge is not None) |
4209 | 1862d460 | Alexander Schreiber | if self.mac is not None: |
4210 | 1862d460 | Alexander Schreiber | if self.cfg.IsMacInUse(self.mac): |
4211 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError('MAC address %s already in use in cluster' % |
4212 | 1862d460 | Alexander Schreiber | self.mac)
|
4213 | 1862d460 | Alexander Schreiber | if not utils.IsValidMac(self.mac): |
4214 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError('Invalid MAC address %s' % self.mac) |
4215 | a8083063 | Iustin Pop | |
4216 | 973d7867 | Iustin Pop | if self.kernel_path is not None: |
4217 | 973d7867 | Iustin Pop | self.do_kernel_path = True |
4218 | 973d7867 | Iustin Pop | if self.kernel_path == constants.VALUE_NONE: |
4219 | 973d7867 | Iustin Pop | raise errors.OpPrereqError("Can't set instance to no kernel") |
4220 | 973d7867 | Iustin Pop | |
4221 | 973d7867 | Iustin Pop | if self.kernel_path != constants.VALUE_DEFAULT: |
4222 | 973d7867 | Iustin Pop | if not os.path.isabs(self.kernel_path): |
4223 | ba4b62cf | Iustin Pop | raise errors.OpPrereqError("The kernel path must be an absolute" |
4224 | 973d7867 | Iustin Pop | " filename")
|
4225 | 8cafeb26 | Iustin Pop | else:
|
4226 | 8cafeb26 | Iustin Pop | self.do_kernel_path = False |
4227 | 973d7867 | Iustin Pop | |
4228 | 973d7867 | Iustin Pop | if self.initrd_path is not None: |
4229 | 973d7867 | Iustin Pop | self.do_initrd_path = True |
4230 | 973d7867 | Iustin Pop | if self.initrd_path not in (constants.VALUE_NONE, |
4231 | 973d7867 | Iustin Pop | constants.VALUE_DEFAULT): |
4232 | 2bc22872 | Iustin Pop | if not os.path.isabs(self.initrd_path): |
4233 | ba4b62cf | Iustin Pop | raise errors.OpPrereqError("The initrd path must be an absolute" |
4234 | 973d7867 | Iustin Pop | " filename")
|
4235 | 8cafeb26 | Iustin Pop | else:
|
4236 | 8cafeb26 | Iustin Pop | self.do_initrd_path = False |
4237 | 973d7867 | Iustin Pop | |
4238 | 25c5878d | Alexander Schreiber | # boot order verification
|
4239 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order is not None: |
4240 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order != constants.VALUE_DEFAULT: |
4241 | 25c5878d | Alexander Schreiber | if len(self.hvm_boot_order.strip("acdn")) != 0: |
4242 | 25c5878d | Alexander Schreiber | raise errors.OpPrereqError("invalid boot order specified," |
4243 | 25c5878d | Alexander Schreiber | " must be one or more of [acdn]"
|
4244 | 25c5878d | Alexander Schreiber | " or 'default'")
|
4245 | 25c5878d | Alexander Schreiber | |
4246 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
4247 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
4248 | a8083063 | Iustin Pop | if instance is None: |
4249 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % |
4250 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
4251 | a8083063 | Iustin Pop | self.op.instance_name = instance.name
|
4252 | a8083063 | Iustin Pop | self.instance = instance
|
4253 | a8083063 | Iustin Pop | return
|
4254 | a8083063 | Iustin Pop | |
4255 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4256 | a8083063 | Iustin Pop | """Modifies an instance.
|
4257 | a8083063 | Iustin Pop |
|
4258 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
4259 | a8083063 | Iustin Pop | """
|
4260 | a8083063 | Iustin Pop | result = [] |
4261 | a8083063 | Iustin Pop | instance = self.instance
|
4262 | a8083063 | Iustin Pop | if self.mem: |
4263 | a8083063 | Iustin Pop | instance.memory = self.mem
|
4264 | a8083063 | Iustin Pop | result.append(("mem", self.mem)) |
4265 | a8083063 | Iustin Pop | if self.vcpus: |
4266 | a8083063 | Iustin Pop | instance.vcpus = self.vcpus
|
4267 | a8083063 | Iustin Pop | result.append(("vcpus", self.vcpus)) |
4268 | a8083063 | Iustin Pop | if self.do_ip: |
4269 | a8083063 | Iustin Pop | instance.nics[0].ip = self.ip |
4270 | a8083063 | Iustin Pop | result.append(("ip", self.ip)) |
4271 | a8083063 | Iustin Pop | if self.bridge: |
4272 | a8083063 | Iustin Pop | instance.nics[0].bridge = self.bridge |
4273 | a8083063 | Iustin Pop | result.append(("bridge", self.bridge)) |
4274 | 1862d460 | Alexander Schreiber | if self.mac: |
4275 | 1862d460 | Alexander Schreiber | instance.nics[0].mac = self.mac |
4276 | 1862d460 | Alexander Schreiber | result.append(("mac", self.mac)) |
4277 | 973d7867 | Iustin Pop | if self.do_kernel_path: |
4278 | 973d7867 | Iustin Pop | instance.kernel_path = self.kernel_path
|
4279 | 973d7867 | Iustin Pop | result.append(("kernel_path", self.kernel_path)) |
4280 | 973d7867 | Iustin Pop | if self.do_initrd_path: |
4281 | 973d7867 | Iustin Pop | instance.initrd_path = self.initrd_path
|
4282 | 973d7867 | Iustin Pop | result.append(("initrd_path", self.initrd_path)) |
4283 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order: |
4284 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order == constants.VALUE_DEFAULT: |
4285 | 25c5878d | Alexander Schreiber | instance.hvm_boot_order = None
|
4286 | 25c5878d | Alexander Schreiber | else:
|
4287 | 25c5878d | Alexander Schreiber | instance.hvm_boot_order = self.hvm_boot_order
|
4288 | 25c5878d | Alexander Schreiber | result.append(("hvm_boot_order", self.hvm_boot_order)) |
4289 | a8083063 | Iustin Pop | |
4290 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
4291 | a8083063 | Iustin Pop | |
4292 | a8083063 | Iustin Pop | return result
|
4293 | a8083063 | Iustin Pop | |
4294 | a8083063 | Iustin Pop | |
4295 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
4296 | a8083063 | Iustin Pop | """Query the exports list
|
4297 | a8083063 | Iustin Pop |
|
4298 | a8083063 | Iustin Pop | """
|
4299 | a8083063 | Iustin Pop | _OP_REQP = [] |
4300 | a8083063 | Iustin Pop | |
4301 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4302 | a8083063 | Iustin Pop | """Check that the nodelist contains only existing nodes.
|
4303 | a8083063 | Iustin Pop |
|
4304 | a8083063 | Iustin Pop | """
|
4305 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, getattr(self.op, "nodes", None)) |
4306 | a8083063 | Iustin Pop | |
4307 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4308 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
4309 | a8083063 | Iustin Pop |
|
4310 | a8083063 | Iustin Pop | Returns:
|
4311 | a8083063 | Iustin Pop | a dictionary with the structure node->(export-list)
|
4312 | a8083063 | Iustin Pop | where export-list is a list of the instances exported on
|
4313 | a8083063 | Iustin Pop | that node.
|
4314 | a8083063 | Iustin Pop |
|
4315 | a8083063 | Iustin Pop | """
|
4316 | a7ba5e53 | Iustin Pop | return rpc.call_export_list(self.nodes) |
4317 | a8083063 | Iustin Pop | |
4318 | a8083063 | Iustin Pop | |
4319 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
4320 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4321 | a8083063 | Iustin Pop |
|
4322 | a8083063 | Iustin Pop | """
|
4323 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
4324 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4325 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
4326 | a8083063 | Iustin Pop | |
4327 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4328 | a8083063 | Iustin Pop | """Build hooks env.
|
4329 | a8083063 | Iustin Pop |
|
4330 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
4331 | a8083063 | Iustin Pop |
|
4332 | a8083063 | Iustin Pop | """
|
4333 | a8083063 | Iustin Pop | env = { |
4334 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
4335 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
4336 | a8083063 | Iustin Pop | } |
4337 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
4338 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(), self.instance.primary_node, |
4339 | a8083063 | Iustin Pop | self.op.target_node]
|
4340 | a8083063 | Iustin Pop | return env, nl, nl
|
4341 | a8083063 | Iustin Pop | |
4342 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4343 | a8083063 | Iustin Pop | """Check prerequisites.
|
4344 | a8083063 | Iustin Pop |
|
4345 | a8083063 | Iustin Pop | This checks that the instance name is a valid one.
|
4346 | a8083063 | Iustin Pop |
|
4347 | a8083063 | Iustin Pop | """
|
4348 | a8083063 | Iustin Pop | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
4349 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
4350 | a8083063 | Iustin Pop | if self.instance is None: |
4351 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found" % |
4352 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
4353 | a8083063 | Iustin Pop | |
4354 | a8083063 | Iustin Pop | # node verification
|
4355 | a8083063 | Iustin Pop | dst_node_short = self.cfg.ExpandNodeName(self.op.target_node) |
4356 | a8083063 | Iustin Pop | self.dst_node = self.cfg.GetNodeInfo(dst_node_short) |
4357 | a8083063 | Iustin Pop | |
4358 | a8083063 | Iustin Pop | if self.dst_node is None: |
4359 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Destination node '%s' is unknown." % |
4360 | 3ecf6786 | Iustin Pop | self.op.target_node)
|
4361 | a8083063 | Iustin Pop | self.op.target_node = self.dst_node.name |
4362 | a8083063 | Iustin Pop | |
4363 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4364 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4365 | a8083063 | Iustin Pop |
|
4366 | a8083063 | Iustin Pop | """
|
4367 | a8083063 | Iustin Pop | instance = self.instance
|
4368 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
4369 | a8083063 | Iustin Pop | src_node = instance.primary_node |
4370 | a8083063 | Iustin Pop | # shutdown the instance, unless requested not to do so
|
4371 | a8083063 | Iustin Pop | if self.op.shutdown: |
4372 | a8083063 | Iustin Pop | op = opcodes.OpShutdownInstance(instance_name=instance.name) |
4373 | 5bfac263 | Iustin Pop | self.proc.ChainOpCode(op)
|
4374 | a8083063 | Iustin Pop | |
4375 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4376 | a8083063 | Iustin Pop | |
4377 | a8083063 | Iustin Pop | snap_disks = [] |
4378 | a8083063 | Iustin Pop | |
4379 | a8083063 | Iustin Pop | try:
|
4380 | a8083063 | Iustin Pop | for disk in instance.disks: |
4381 | a8083063 | Iustin Pop | if disk.iv_name == "sda": |
4382 | a8083063 | Iustin Pop | # new_dev_name will be a snapshot of an lvm leaf of the one we passed
|
4383 | a8083063 | Iustin Pop | new_dev_name = rpc.call_blockdev_snapshot(src_node, disk) |
4384 | a8083063 | Iustin Pop | |
4385 | a8083063 | Iustin Pop | if not new_dev_name: |
4386 | a8083063 | Iustin Pop | logger.Error("could not snapshot block device %s on node %s" %
|
4387 | a8083063 | Iustin Pop | (disk.logical_id[1], src_node))
|
4388 | a8083063 | Iustin Pop | else:
|
4389 | fe96220b | Iustin Pop | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
4390 | a8083063 | Iustin Pop | logical_id=(vgname, new_dev_name), |
4391 | a8083063 | Iustin Pop | physical_id=(vgname, new_dev_name), |
4392 | a8083063 | Iustin Pop | iv_name=disk.iv_name) |
4393 | a8083063 | Iustin Pop | snap_disks.append(new_dev) |
4394 | a8083063 | Iustin Pop | |
4395 | a8083063 | Iustin Pop | finally:
|
4396 | a8083063 | Iustin Pop | if self.op.shutdown: |
4397 | a8083063 | Iustin Pop | op = opcodes.OpStartupInstance(instance_name=instance.name, |
4398 | a8083063 | Iustin Pop | force=False)
|
4399 | 5bfac263 | Iustin Pop | self.proc.ChainOpCode(op)
|
4400 | a8083063 | Iustin Pop | |
4401 | a8083063 | Iustin Pop | # TODO: check for size
|
4402 | a8083063 | Iustin Pop | |
4403 | a8083063 | Iustin Pop | for dev in snap_disks: |
4404 | a8083063 | Iustin Pop | if not rpc.call_snapshot_export(src_node, dev, dst_node.name, |
4405 | a8083063 | Iustin Pop | instance): |
4406 | a8083063 | Iustin Pop | logger.Error("could not export block device %s from node"
|
4407 | a8083063 | Iustin Pop | " %s to node %s" %
|
4408 | a8083063 | Iustin Pop | (dev.logical_id[1], src_node, dst_node.name))
|
4409 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(src_node, dev): |
4410 | a8083063 | Iustin Pop | logger.Error("could not remove snapshot block device %s from"
|
4411 | a8083063 | Iustin Pop | " node %s" % (dev.logical_id[1], src_node)) |
4412 | a8083063 | Iustin Pop | |
4413 | a8083063 | Iustin Pop | if not rpc.call_finalize_export(dst_node.name, instance, snap_disks): |
4414 | a8083063 | Iustin Pop | logger.Error("could not finalize export for instance %s on node %s" %
|
4415 | a8083063 | Iustin Pop | (instance.name, dst_node.name)) |
4416 | a8083063 | Iustin Pop | |
4417 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
4418 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
4419 | a8083063 | Iustin Pop | |
4420 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
4421 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
4422 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
4423 | a8083063 | Iustin Pop | if nodelist:
|
4424 | a8083063 | Iustin Pop | op = opcodes.OpQueryExports(nodes=nodelist) |
4425 | 5bfac263 | Iustin Pop | exportlist = self.proc.ChainOpCode(op)
|
4426 | a8083063 | Iustin Pop | for node in exportlist: |
4427 | a8083063 | Iustin Pop | if instance.name in exportlist[node]: |
4428 | a8083063 | Iustin Pop | if not rpc.call_export_remove(node, instance.name): |
4429 | a8083063 | Iustin Pop | logger.Error("could not remove older export for instance %s"
|
4430 | a8083063 | Iustin Pop | " on node %s" % (instance.name, node))
|
4431 | 5c947f38 | Iustin Pop | |
4432 | 5c947f38 | Iustin Pop | |
4433 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
4434 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
4435 | 5c947f38 | Iustin Pop |
|
4436 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
4437 | 5c947f38 | Iustin Pop |
|
4438 | 5c947f38 | Iustin Pop | """
|
4439 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4440 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4441 | 5c947f38 | Iustin Pop |
|
4442 | 5c947f38 | Iustin Pop | """
|
4443 | 5c947f38 | Iustin Pop | if self.op.kind == constants.TAG_CLUSTER: |
4444 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetClusterInfo() |
4445 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_NODE: |
4446 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
4447 | 5c947f38 | Iustin Pop | if name is None: |
4448 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
4449 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4450 | 5c947f38 | Iustin Pop | self.op.name = name
|
4451 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetNodeInfo(name) |
4452 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
4453 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
4454 | 5c947f38 | Iustin Pop | if name is None: |
4455 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
4456 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4457 | 5c947f38 | Iustin Pop | self.op.name = name
|
4458 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetInstanceInfo(name) |
4459 | 5c947f38 | Iustin Pop | else:
|
4460 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
4461 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
4462 | 5c947f38 | Iustin Pop | |
4463 | 5c947f38 | Iustin Pop | |
4464 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
4465 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
4466 | 5c947f38 | Iustin Pop |
|
4467 | 5c947f38 | Iustin Pop | """
|
4468 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
4469 | 5c947f38 | Iustin Pop | |
4470 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4471 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
4472 | 5c947f38 | Iustin Pop |
|
4473 | 5c947f38 | Iustin Pop | """
|
4474 | 5c947f38 | Iustin Pop | return self.target.GetTags() |
4475 | 5c947f38 | Iustin Pop | |
4476 | 5c947f38 | Iustin Pop | |
4477 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
4478 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
4479 | 73415719 | Iustin Pop |
|
4480 | 73415719 | Iustin Pop | """
|
4481 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
4482 | 73415719 | Iustin Pop | |
4483 | 73415719 | Iustin Pop | def CheckPrereq(self): |
4484 | 73415719 | Iustin Pop | """Check prerequisites.
|
4485 | 73415719 | Iustin Pop |
|
4486 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
4487 | 73415719 | Iustin Pop |
|
4488 | 73415719 | Iustin Pop | """
|
4489 | 73415719 | Iustin Pop | try:
|
4490 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
4491 | 73415719 | Iustin Pop | except re.error, err:
|
4492 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
4493 | 73415719 | Iustin Pop | (self.op.pattern, err))
|
4494 | 73415719 | Iustin Pop | |
4495 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
4496 | 73415719 | Iustin Pop | """Returns the tag list.
|
4497 | 73415719 | Iustin Pop |
|
4498 | 73415719 | Iustin Pop | """
|
4499 | 73415719 | Iustin Pop | cfg = self.cfg
|
4500 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
4501 | 73415719 | Iustin Pop | ilist = [cfg.GetInstanceInfo(name) for name in cfg.GetInstanceList()] |
4502 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
4503 | 73415719 | Iustin Pop | nlist = [cfg.GetNodeInfo(name) for name in cfg.GetNodeList()] |
4504 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
4505 | 73415719 | Iustin Pop | results = [] |
4506 | 73415719 | Iustin Pop | for path, target in tgts: |
4507 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
4508 | 73415719 | Iustin Pop | if self.re.search(tag): |
4509 | 73415719 | Iustin Pop | results.append((path, tag)) |
4510 | 73415719 | Iustin Pop | return results
|
4511 | 73415719 | Iustin Pop | |
4512 | 73415719 | Iustin Pop | |
4513 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
4514 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
4515 | 5c947f38 | Iustin Pop |
|
4516 | 5c947f38 | Iustin Pop | """
|
4517 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
4518 | 5c947f38 | Iustin Pop | |
4519 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4520 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4521 | 5c947f38 | Iustin Pop |
|
4522 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
4523 | 5c947f38 | Iustin Pop |
|
4524 | 5c947f38 | Iustin Pop | """
|
4525 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
4526 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4527 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
4528 | 5c947f38 | Iustin Pop | |
4529 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4530 | 5c947f38 | Iustin Pop | """Sets the tag.
|
4531 | 5c947f38 | Iustin Pop |
|
4532 | 5c947f38 | Iustin Pop | """
|
4533 | 5c947f38 | Iustin Pop | try:
|
4534 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4535 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
4536 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
4537 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
4538 | 5c947f38 | Iustin Pop | try:
|
4539 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
4540 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
4541 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
4542 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
4543 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
4544 | 5c947f38 | Iustin Pop | |
4545 | 5c947f38 | Iustin Pop | |
4546 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
4547 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
4548 | 5c947f38 | Iustin Pop |
|
4549 | 5c947f38 | Iustin Pop | """
|
4550 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
4551 | 5c947f38 | Iustin Pop | |
4552 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4553 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4554 | 5c947f38 | Iustin Pop |
|
4555 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
4556 | 5c947f38 | Iustin Pop |
|
4557 | 5c947f38 | Iustin Pop | """
|
4558 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
4559 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4560 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
4561 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
4562 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
4563 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
4564 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
4565 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
4566 | f27302fa | Iustin Pop | diff_names.sort() |
4567 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
4568 | f27302fa | Iustin Pop | (",".join(diff_names)))
|
4569 | 5c947f38 | Iustin Pop | |
4570 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4571 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
4572 | 5c947f38 | Iustin Pop |
|
4573 | 5c947f38 | Iustin Pop | """
|
4574 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4575 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
4576 | 5c947f38 | Iustin Pop | try:
|
4577 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
4578 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
4579 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
4580 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
4581 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
4582 | 06009e27 | Iustin Pop | |
4583 | 06009e27 | Iustin Pop | class LUTestDelay(NoHooksLU): |
4584 | 06009e27 | Iustin Pop | """Sleep for a specified amount of time.
|
4585 | 06009e27 | Iustin Pop |
|
4586 | 06009e27 | Iustin Pop | This LU sleeps on the master and/or nodes for a specified amoutn of
|
4587 | 06009e27 | Iustin Pop | time.
|
4588 | 06009e27 | Iustin Pop |
|
4589 | 06009e27 | Iustin Pop | """
|
4590 | 06009e27 | Iustin Pop | _OP_REQP = ["duration", "on_master", "on_nodes"] |
4591 | 06009e27 | Iustin Pop | |
4592 | 06009e27 | Iustin Pop | def CheckPrereq(self): |
4593 | 06009e27 | Iustin Pop | """Check prerequisites.
|
4594 | 06009e27 | Iustin Pop |
|
4595 | 06009e27 | Iustin Pop | This checks that we have a good list of nodes and/or the duration
|
4596 | 06009e27 | Iustin Pop | is valid.
|
4597 | 06009e27 | Iustin Pop |
|
4598 | 06009e27 | Iustin Pop | """
|
4599 | 06009e27 | Iustin Pop | |
4600 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
4601 | 06009e27 | Iustin Pop | self.op.on_nodes = _GetWantedNodes(self, self.op.on_nodes) |
4602 | 06009e27 | Iustin Pop | |
4603 | 06009e27 | Iustin Pop | def Exec(self, feedback_fn): |
4604 | 06009e27 | Iustin Pop | """Do the actual sleep.
|
4605 | 06009e27 | Iustin Pop |
|
4606 | 06009e27 | Iustin Pop | """
|
4607 | 06009e27 | Iustin Pop | if self.op.on_master: |
4608 | 06009e27 | Iustin Pop | if not utils.TestDelay(self.op.duration): |
4609 | 06009e27 | Iustin Pop | raise errors.OpExecError("Error during master delay test") |
4610 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
4611 | 06009e27 | Iustin Pop | result = rpc.call_test_delay(self.op.on_nodes, self.op.duration) |
4612 | 06009e27 | Iustin Pop | if not result: |
4613 | 06009e27 | Iustin Pop | raise errors.OpExecError("Complete failure from rpc call") |
4614 | 06009e27 | Iustin Pop | for node, node_result in result.items(): |
4615 | 06009e27 | Iustin Pop | if not node_result: |
4616 | 06009e27 | Iustin Pop | raise errors.OpExecError("Failure during rpc call to node %s," |
4617 | 06009e27 | Iustin Pop | " result: %s" % (node, node_result)) |