root / lib / cmdlib / instance_operation.py @ 6be5f3e0
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1 | 13f6af81 | Thomas Thrainer | #
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2 | 13f6af81 | Thomas Thrainer | #
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3 | 13f6af81 | Thomas Thrainer | |
4 | 13f6af81 | Thomas Thrainer | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
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5 | 13f6af81 | Thomas Thrainer | #
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6 | 13f6af81 | Thomas Thrainer | # This program is free software; you can redistribute it and/or modify
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7 | 13f6af81 | Thomas Thrainer | # it under the terms of the GNU General Public License as published by
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8 | 13f6af81 | Thomas Thrainer | # the Free Software Foundation; either version 2 of the License, or
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9 | 13f6af81 | Thomas Thrainer | # (at your option) any later version.
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10 | 13f6af81 | Thomas Thrainer | #
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11 | 13f6af81 | Thomas Thrainer | # This program is distributed in the hope that it will be useful, but
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12 | 13f6af81 | Thomas Thrainer | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 13f6af81 | Thomas Thrainer | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 13f6af81 | Thomas Thrainer | # General Public License for more details.
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15 | 13f6af81 | Thomas Thrainer | #
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16 | 13f6af81 | Thomas Thrainer | # You should have received a copy of the GNU General Public License
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17 | 13f6af81 | Thomas Thrainer | # along with this program; if not, write to the Free Software
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18 | 13f6af81 | Thomas Thrainer | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 13f6af81 | Thomas Thrainer | # 02110-1301, USA.
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20 | 13f6af81 | Thomas Thrainer | |
21 | 13f6af81 | Thomas Thrainer | |
22 | 13f6af81 | Thomas Thrainer | """Logical units dealing with instance operations (start/stop/...).
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23 | 13f6af81 | Thomas Thrainer |
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24 | 13f6af81 | Thomas Thrainer | Those operations have in common that they affect the operating system in a
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25 | 13f6af81 | Thomas Thrainer | running instance directly.
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26 | 13f6af81 | Thomas Thrainer |
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27 | 13f6af81 | Thomas Thrainer | """
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28 | 13f6af81 | Thomas Thrainer | |
29 | 13f6af81 | Thomas Thrainer | import logging |
30 | 13f6af81 | Thomas Thrainer | |
31 | 13f6af81 | Thomas Thrainer | from ganeti import constants |
32 | 13f6af81 | Thomas Thrainer | from ganeti import errors |
33 | 13f6af81 | Thomas Thrainer | from ganeti import hypervisor |
34 | 13f6af81 | Thomas Thrainer | from ganeti import locking |
35 | 13f6af81 | Thomas Thrainer | from ganeti import objects |
36 | 13f6af81 | Thomas Thrainer | from ganeti import utils |
37 | 13f6af81 | Thomas Thrainer | from ganeti.cmdlib.base import LogicalUnit, NoHooksLU |
38 | 13f6af81 | Thomas Thrainer | from ganeti.cmdlib.common import INSTANCE_ONLINE, INSTANCE_DOWN, \ |
39 | 5eacbcae | Thomas Thrainer | CheckHVParams, CheckInstanceState, CheckNodeOnline, ExpandNodeName, \ |
40 | 5eacbcae | Thomas Thrainer | GetUpdatedParams, CheckOSParams, ShareAll |
41 | 5eacbcae | Thomas Thrainer | from ganeti.cmdlib.instance_storage import StartInstanceDisks, \ |
42 | 5eacbcae | Thomas Thrainer | ShutdownInstanceDisks
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43 | 5eacbcae | Thomas Thrainer | from ganeti.cmdlib.instance_utils import BuildInstanceHookEnvByObject, \ |
44 | 5eacbcae | Thomas Thrainer | CheckInstanceBridgesExist, CheckNodeFreeMemory, CheckNodeHasOS |
45 | 06c2fb4a | Dimitris Aragiorgis | from ganeti.cmdlib.instance import GetItemFromContainer |
46 | 13f6af81 | Thomas Thrainer | |
47 | 13f6af81 | Thomas Thrainer | |
48 | 13f6af81 | Thomas Thrainer | class LUInstanceStartup(LogicalUnit): |
49 | 13f6af81 | Thomas Thrainer | """Starts an instance.
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50 | 13f6af81 | Thomas Thrainer |
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51 | 13f6af81 | Thomas Thrainer | """
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52 | 13f6af81 | Thomas Thrainer | HPATH = "instance-start"
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53 | 13f6af81 | Thomas Thrainer | HTYPE = constants.HTYPE_INSTANCE |
54 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
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55 | 13f6af81 | Thomas Thrainer | |
56 | 13f6af81 | Thomas Thrainer | def CheckArguments(self): |
57 | 13f6af81 | Thomas Thrainer | # extra beparams
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58 | 13f6af81 | Thomas Thrainer | if self.op.beparams: |
59 | 13f6af81 | Thomas Thrainer | # fill the beparams dict
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60 | 13f6af81 | Thomas Thrainer | objects.UpgradeBeParams(self.op.beparams)
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61 | 13f6af81 | Thomas Thrainer | utils.ForceDictType(self.op.beparams, constants.BES_PARAMETER_TYPES)
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62 | 13f6af81 | Thomas Thrainer | |
63 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
64 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
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65 | 13f6af81 | Thomas Thrainer | self.recalculate_locks[locking.LEVEL_NODE_RES] = constants.LOCKS_REPLACE
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66 | 13f6af81 | Thomas Thrainer | |
67 | 13f6af81 | Thomas Thrainer | def DeclareLocks(self, level): |
68 | 13f6af81 | Thomas Thrainer | if level == locking.LEVEL_NODE_RES:
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69 | 13f6af81 | Thomas Thrainer | self._LockInstancesNodes(primary_only=True, level=locking.LEVEL_NODE_RES) |
70 | 13f6af81 | Thomas Thrainer | |
71 | 13f6af81 | Thomas Thrainer | def BuildHooksEnv(self): |
72 | 13f6af81 | Thomas Thrainer | """Build hooks env.
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73 | 13f6af81 | Thomas Thrainer |
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74 | 13f6af81 | Thomas Thrainer | This runs on master, primary and secondary nodes of the instance.
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75 | 13f6af81 | Thomas Thrainer |
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76 | 13f6af81 | Thomas Thrainer | """
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77 | 13f6af81 | Thomas Thrainer | env = { |
78 | 13f6af81 | Thomas Thrainer | "FORCE": self.op.force, |
79 | 13f6af81 | Thomas Thrainer | } |
80 | 13f6af81 | Thomas Thrainer | |
81 | 5eacbcae | Thomas Thrainer | env.update(BuildInstanceHookEnvByObject(self, self.instance)) |
82 | 13f6af81 | Thomas Thrainer | |
83 | 13f6af81 | Thomas Thrainer | return env
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84 | 13f6af81 | Thomas Thrainer | |
85 | 13f6af81 | Thomas Thrainer | def BuildHooksNodes(self): |
86 | 13f6af81 | Thomas Thrainer | """Build hooks nodes.
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87 | 13f6af81 | Thomas Thrainer |
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88 | 13f6af81 | Thomas Thrainer | """
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89 | 13f6af81 | Thomas Thrainer | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
90 | 13f6af81 | Thomas Thrainer | return (nl, nl)
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91 | 13f6af81 | Thomas Thrainer | |
92 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
93 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
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94 | 13f6af81 | Thomas Thrainer |
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95 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster.
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96 | 13f6af81 | Thomas Thrainer |
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97 | 13f6af81 | Thomas Thrainer | """
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98 | 13f6af81 | Thomas Thrainer | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
99 | 13f6af81 | Thomas Thrainer | assert self.instance is not None, \ |
100 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
101 | 13f6af81 | Thomas Thrainer | |
102 | 13f6af81 | Thomas Thrainer | # extra hvparams
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103 | 13f6af81 | Thomas Thrainer | if self.op.hvparams: |
104 | 13f6af81 | Thomas Thrainer | # check hypervisor parameter syntax (locally)
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105 | 13f6af81 | Thomas Thrainer | cluster = self.cfg.GetClusterInfo()
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106 | 13f6af81 | Thomas Thrainer | utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
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107 | 13f6af81 | Thomas Thrainer | filled_hvp = cluster.FillHV(instance) |
108 | 13f6af81 | Thomas Thrainer | filled_hvp.update(self.op.hvparams)
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109 | 13f6af81 | Thomas Thrainer | hv_type = hypervisor.GetHypervisorClass(instance.hypervisor) |
110 | 13f6af81 | Thomas Thrainer | hv_type.CheckParameterSyntax(filled_hvp) |
111 | 5eacbcae | Thomas Thrainer | CheckHVParams(self, instance.all_nodes, instance.hypervisor, filled_hvp)
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112 | 13f6af81 | Thomas Thrainer | |
113 | 5eacbcae | Thomas Thrainer | CheckInstanceState(self, instance, INSTANCE_ONLINE)
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114 | 13f6af81 | Thomas Thrainer | |
115 | 13f6af81 | Thomas Thrainer | self.primary_offline = self.cfg.GetNodeInfo(instance.primary_node).offline |
116 | 13f6af81 | Thomas Thrainer | |
117 | 13f6af81 | Thomas Thrainer | if self.primary_offline and self.op.ignore_offline_nodes: |
118 | 13f6af81 | Thomas Thrainer | self.LogWarning("Ignoring offline primary node") |
119 | 13f6af81 | Thomas Thrainer | |
120 | 13f6af81 | Thomas Thrainer | if self.op.hvparams or self.op.beparams: |
121 | 13f6af81 | Thomas Thrainer | self.LogWarning("Overridden parameters are ignored") |
122 | 13f6af81 | Thomas Thrainer | else:
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123 | 5eacbcae | Thomas Thrainer | CheckNodeOnline(self, instance.primary_node)
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124 | 13f6af81 | Thomas Thrainer | |
125 | 13f6af81 | Thomas Thrainer | bep = self.cfg.GetClusterInfo().FillBE(instance)
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126 | 13f6af81 | Thomas Thrainer | bep.update(self.op.beparams)
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127 | 13f6af81 | Thomas Thrainer | |
128 | 13f6af81 | Thomas Thrainer | # check bridges existence
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129 | 5eacbcae | Thomas Thrainer | CheckInstanceBridgesExist(self, instance)
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130 | 13f6af81 | Thomas Thrainer | |
131 | 13f6af81 | Thomas Thrainer | remote_info = self.rpc.call_instance_info(instance.primary_node,
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132 | 13f6af81 | Thomas Thrainer | instance.name, |
133 | 13f6af81 | Thomas Thrainer | instance.hypervisor) |
134 | 13f6af81 | Thomas Thrainer | remote_info.Raise("Error checking node %s" % instance.primary_node,
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135 | 13f6af81 | Thomas Thrainer | prereq=True, ecode=errors.ECODE_ENVIRON)
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136 | 13f6af81 | Thomas Thrainer | if not remote_info.payload: # not running already |
137 | 5eacbcae | Thomas Thrainer | CheckNodeFreeMemory(self, instance.primary_node,
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138 | 5eacbcae | Thomas Thrainer | "starting instance %s" % instance.name,
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139 | 5eacbcae | Thomas Thrainer | bep[constants.BE_MINMEM], instance.hypervisor) |
140 | 13f6af81 | Thomas Thrainer | |
141 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
142 | 13f6af81 | Thomas Thrainer | """Start the instance.
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143 | 13f6af81 | Thomas Thrainer |
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144 | 13f6af81 | Thomas Thrainer | """
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145 | 13f6af81 | Thomas Thrainer | instance = self.instance
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146 | 13f6af81 | Thomas Thrainer | force = self.op.force
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147 | 13f6af81 | Thomas Thrainer | reason = self.op.reason
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148 | 13f6af81 | Thomas Thrainer | |
149 | 13f6af81 | Thomas Thrainer | if not self.op.no_remember: |
150 | 13f6af81 | Thomas Thrainer | self.cfg.MarkInstanceUp(instance.name)
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151 | 13f6af81 | Thomas Thrainer | |
152 | 13f6af81 | Thomas Thrainer | if self.primary_offline: |
153 | 13f6af81 | Thomas Thrainer | assert self.op.ignore_offline_nodes |
154 | 13f6af81 | Thomas Thrainer | self.LogInfo("Primary node offline, marked instance as started") |
155 | 13f6af81 | Thomas Thrainer | else:
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156 | 13f6af81 | Thomas Thrainer | node_current = instance.primary_node |
157 | 13f6af81 | Thomas Thrainer | |
158 | 5eacbcae | Thomas Thrainer | StartInstanceDisks(self, instance, force)
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159 | 13f6af81 | Thomas Thrainer | |
160 | 13f6af81 | Thomas Thrainer | result = \ |
161 | 13f6af81 | Thomas Thrainer | self.rpc.call_instance_start(node_current,
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162 | 13f6af81 | Thomas Thrainer | (instance, self.op.hvparams,
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163 | 13f6af81 | Thomas Thrainer | self.op.beparams),
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164 | 13f6af81 | Thomas Thrainer | self.op.startup_paused, reason)
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165 | 13f6af81 | Thomas Thrainer | msg = result.fail_msg |
166 | 13f6af81 | Thomas Thrainer | if msg:
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167 | 5eacbcae | Thomas Thrainer | ShutdownInstanceDisks(self, instance)
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168 | 13f6af81 | Thomas Thrainer | raise errors.OpExecError("Could not start instance: %s" % msg) |
169 | 13f6af81 | Thomas Thrainer | |
170 | 13f6af81 | Thomas Thrainer | |
171 | 13f6af81 | Thomas Thrainer | class LUInstanceShutdown(LogicalUnit): |
172 | 13f6af81 | Thomas Thrainer | """Shutdown an instance.
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173 | 13f6af81 | Thomas Thrainer |
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174 | 13f6af81 | Thomas Thrainer | """
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175 | 13f6af81 | Thomas Thrainer | HPATH = "instance-stop"
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176 | 13f6af81 | Thomas Thrainer | HTYPE = constants.HTYPE_INSTANCE |
177 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
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178 | 13f6af81 | Thomas Thrainer | |
179 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
180 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
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181 | 13f6af81 | Thomas Thrainer | |
182 | 13f6af81 | Thomas Thrainer | def BuildHooksEnv(self): |
183 | 13f6af81 | Thomas Thrainer | """Build hooks env.
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184 | 13f6af81 | Thomas Thrainer |
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185 | 13f6af81 | Thomas Thrainer | This runs on master, primary and secondary nodes of the instance.
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186 | 13f6af81 | Thomas Thrainer |
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187 | 13f6af81 | Thomas Thrainer | """
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188 | 5eacbcae | Thomas Thrainer | env = BuildInstanceHookEnvByObject(self, self.instance) |
189 | 13f6af81 | Thomas Thrainer | env["TIMEOUT"] = self.op.timeout |
190 | 13f6af81 | Thomas Thrainer | return env
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191 | 13f6af81 | Thomas Thrainer | |
192 | 13f6af81 | Thomas Thrainer | def BuildHooksNodes(self): |
193 | 13f6af81 | Thomas Thrainer | """Build hooks nodes.
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194 | 13f6af81 | Thomas Thrainer |
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195 | 13f6af81 | Thomas Thrainer | """
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196 | 13f6af81 | Thomas Thrainer | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
197 | 13f6af81 | Thomas Thrainer | return (nl, nl)
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198 | 13f6af81 | Thomas Thrainer | |
199 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
200 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
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201 | 13f6af81 | Thomas Thrainer |
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202 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster.
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203 | 13f6af81 | Thomas Thrainer |
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204 | 13f6af81 | Thomas Thrainer | """
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205 | 13f6af81 | Thomas Thrainer | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
206 | 13f6af81 | Thomas Thrainer | assert self.instance is not None, \ |
207 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
208 | 13f6af81 | Thomas Thrainer | |
209 | 13f6af81 | Thomas Thrainer | if not self.op.force: |
210 | 5eacbcae | Thomas Thrainer | CheckInstanceState(self, self.instance, INSTANCE_ONLINE) |
211 | 13f6af81 | Thomas Thrainer | else:
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212 | 13f6af81 | Thomas Thrainer | self.LogWarning("Ignoring offline instance check") |
213 | 13f6af81 | Thomas Thrainer | |
214 | 13f6af81 | Thomas Thrainer | self.primary_offline = \
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215 | 13f6af81 | Thomas Thrainer | self.cfg.GetNodeInfo(self.instance.primary_node).offline |
216 | 13f6af81 | Thomas Thrainer | |
217 | 13f6af81 | Thomas Thrainer | if self.primary_offline and self.op.ignore_offline_nodes: |
218 | 13f6af81 | Thomas Thrainer | self.LogWarning("Ignoring offline primary node") |
219 | 13f6af81 | Thomas Thrainer | else:
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220 | 5eacbcae | Thomas Thrainer | CheckNodeOnline(self, self.instance.primary_node) |
221 | 13f6af81 | Thomas Thrainer | |
222 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
223 | 13f6af81 | Thomas Thrainer | """Shutdown the instance.
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224 | 13f6af81 | Thomas Thrainer |
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225 | 13f6af81 | Thomas Thrainer | """
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226 | 13f6af81 | Thomas Thrainer | instance = self.instance
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227 | 13f6af81 | Thomas Thrainer | node_current = instance.primary_node |
228 | 13f6af81 | Thomas Thrainer | timeout = self.op.timeout
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229 | 13f6af81 | Thomas Thrainer | reason = self.op.reason
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230 | 13f6af81 | Thomas Thrainer | |
231 | 13f6af81 | Thomas Thrainer | # If the instance is offline we shouldn't mark it as down, as that
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232 | 13f6af81 | Thomas Thrainer | # resets the offline flag.
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233 | 13f6af81 | Thomas Thrainer | if not self.op.no_remember and instance.admin_state in INSTANCE_ONLINE: |
234 | 13f6af81 | Thomas Thrainer | self.cfg.MarkInstanceDown(instance.name)
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235 | 13f6af81 | Thomas Thrainer | |
236 | 13f6af81 | Thomas Thrainer | if self.primary_offline: |
237 | 13f6af81 | Thomas Thrainer | assert self.op.ignore_offline_nodes |
238 | 13f6af81 | Thomas Thrainer | self.LogInfo("Primary node offline, marked instance as stopped") |
239 | 13f6af81 | Thomas Thrainer | else:
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240 | 13f6af81 | Thomas Thrainer | result = self.rpc.call_instance_shutdown(node_current, instance, timeout,
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241 | 13f6af81 | Thomas Thrainer | reason) |
242 | 13f6af81 | Thomas Thrainer | msg = result.fail_msg |
243 | 13f6af81 | Thomas Thrainer | if msg:
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244 | 13f6af81 | Thomas Thrainer | self.LogWarning("Could not shutdown instance: %s", msg) |
245 | 13f6af81 | Thomas Thrainer | |
246 | 5eacbcae | Thomas Thrainer | ShutdownInstanceDisks(self, instance)
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247 | 13f6af81 | Thomas Thrainer | |
248 | 13f6af81 | Thomas Thrainer | |
249 | 13f6af81 | Thomas Thrainer | class LUInstanceReinstall(LogicalUnit): |
250 | 13f6af81 | Thomas Thrainer | """Reinstall an instance.
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251 | 13f6af81 | Thomas Thrainer |
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252 | 13f6af81 | Thomas Thrainer | """
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253 | 13f6af81 | Thomas Thrainer | HPATH = "instance-reinstall"
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254 | 13f6af81 | Thomas Thrainer | HTYPE = constants.HTYPE_INSTANCE |
255 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
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256 | 13f6af81 | Thomas Thrainer | |
257 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
258 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
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259 | 13f6af81 | Thomas Thrainer | |
260 | 13f6af81 | Thomas Thrainer | def BuildHooksEnv(self): |
261 | 13f6af81 | Thomas Thrainer | """Build hooks env.
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262 | 13f6af81 | Thomas Thrainer |
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263 | 13f6af81 | Thomas Thrainer | This runs on master, primary and secondary nodes of the instance.
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264 | 13f6af81 | Thomas Thrainer |
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265 | 13f6af81 | Thomas Thrainer | """
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266 | 5eacbcae | Thomas Thrainer | return BuildInstanceHookEnvByObject(self, self.instance) |
267 | 13f6af81 | Thomas Thrainer | |
268 | 13f6af81 | Thomas Thrainer | def BuildHooksNodes(self): |
269 | 13f6af81 | Thomas Thrainer | """Build hooks nodes.
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270 | 13f6af81 | Thomas Thrainer |
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271 | 13f6af81 | Thomas Thrainer | """
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272 | 13f6af81 | Thomas Thrainer | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
273 | 13f6af81 | Thomas Thrainer | return (nl, nl)
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274 | 13f6af81 | Thomas Thrainer | |
275 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
276 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
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277 | 13f6af81 | Thomas Thrainer |
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278 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster and is not running.
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279 | 13f6af81 | Thomas Thrainer |
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280 | 13f6af81 | Thomas Thrainer | """
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281 | 13f6af81 | Thomas Thrainer | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
282 | 13f6af81 | Thomas Thrainer | assert instance is not None, \ |
283 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
284 | 5eacbcae | Thomas Thrainer | CheckNodeOnline(self, instance.primary_node, "Instance primary node" |
285 | 5eacbcae | Thomas Thrainer | " offline, cannot reinstall")
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286 | 13f6af81 | Thomas Thrainer | |
287 | 13f6af81 | Thomas Thrainer | if instance.disk_template == constants.DT_DISKLESS:
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288 | 13f6af81 | Thomas Thrainer | raise errors.OpPrereqError("Instance '%s' has no disks" % |
289 | 13f6af81 | Thomas Thrainer | self.op.instance_name,
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290 | 13f6af81 | Thomas Thrainer | errors.ECODE_INVAL) |
291 | 5eacbcae | Thomas Thrainer | CheckInstanceState(self, instance, INSTANCE_DOWN, msg="cannot reinstall") |
292 | 13f6af81 | Thomas Thrainer | |
293 | 13f6af81 | Thomas Thrainer | if self.op.os_type is not None: |
294 | 13f6af81 | Thomas Thrainer | # OS verification
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295 | 5eacbcae | Thomas Thrainer | pnode = ExpandNodeName(self.cfg, instance.primary_node)
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296 | 5eacbcae | Thomas Thrainer | CheckNodeHasOS(self, pnode, self.op.os_type, self.op.force_variant) |
297 | 13f6af81 | Thomas Thrainer | instance_os = self.op.os_type
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298 | 13f6af81 | Thomas Thrainer | else:
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299 | 13f6af81 | Thomas Thrainer | instance_os = instance.os |
300 | 13f6af81 | Thomas Thrainer | |
301 | 13f6af81 | Thomas Thrainer | nodelist = list(instance.all_nodes)
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302 | 13f6af81 | Thomas Thrainer | |
303 | 13f6af81 | Thomas Thrainer | if self.op.osparams: |
304 | 5eacbcae | Thomas Thrainer | i_osdict = GetUpdatedParams(instance.osparams, self.op.osparams)
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305 | 5eacbcae | Thomas Thrainer | CheckOSParams(self, True, nodelist, instance_os, i_osdict) |
306 | 13f6af81 | Thomas Thrainer | self.os_inst = i_osdict # the new dict (without defaults) |
307 | 13f6af81 | Thomas Thrainer | else:
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308 | 13f6af81 | Thomas Thrainer | self.os_inst = None |
309 | 13f6af81 | Thomas Thrainer | |
310 | 13f6af81 | Thomas Thrainer | self.instance = instance
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311 | 13f6af81 | Thomas Thrainer | |
312 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
313 | 13f6af81 | Thomas Thrainer | """Reinstall the instance.
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314 | 13f6af81 | Thomas Thrainer |
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315 | 13f6af81 | Thomas Thrainer | """
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316 | 13f6af81 | Thomas Thrainer | inst = self.instance
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317 | 13f6af81 | Thomas Thrainer | |
318 | 13f6af81 | Thomas Thrainer | if self.op.os_type is not None: |
319 | 13f6af81 | Thomas Thrainer | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
320 | 13f6af81 | Thomas Thrainer | inst.os = self.op.os_type
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321 | 13f6af81 | Thomas Thrainer | # Write to configuration
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322 | 13f6af81 | Thomas Thrainer | self.cfg.Update(inst, feedback_fn)
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323 | 13f6af81 | Thomas Thrainer | |
324 | 5eacbcae | Thomas Thrainer | StartInstanceDisks(self, inst, None) |
325 | 13f6af81 | Thomas Thrainer | try:
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326 | 13f6af81 | Thomas Thrainer | feedback_fn("Running the instance OS create scripts...")
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327 | 13f6af81 | Thomas Thrainer | # FIXME: pass debug option from opcode to backend
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328 | 13f6af81 | Thomas Thrainer | result = self.rpc.call_instance_os_add(inst.primary_node,
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329 | 13f6af81 | Thomas Thrainer | (inst, self.os_inst), True, |
330 | 13f6af81 | Thomas Thrainer | self.op.debug_level)
|
331 | 13f6af81 | Thomas Thrainer | result.Raise("Could not install OS for instance %s on node %s" %
|
332 | 13f6af81 | Thomas Thrainer | (inst.name, inst.primary_node)) |
333 | 13f6af81 | Thomas Thrainer | finally:
|
334 | 5eacbcae | Thomas Thrainer | ShutdownInstanceDisks(self, inst)
|
335 | 13f6af81 | Thomas Thrainer | |
336 | 13f6af81 | Thomas Thrainer | |
337 | 13f6af81 | Thomas Thrainer | class LUInstanceReboot(LogicalUnit): |
338 | 13f6af81 | Thomas Thrainer | """Reboot an instance.
|
339 | 13f6af81 | Thomas Thrainer |
|
340 | 13f6af81 | Thomas Thrainer | """
|
341 | 13f6af81 | Thomas Thrainer | HPATH = "instance-reboot"
|
342 | 13f6af81 | Thomas Thrainer | HTYPE = constants.HTYPE_INSTANCE |
343 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
|
344 | 13f6af81 | Thomas Thrainer | |
345 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
346 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
|
347 | 13f6af81 | Thomas Thrainer | |
348 | 13f6af81 | Thomas Thrainer | def BuildHooksEnv(self): |
349 | 13f6af81 | Thomas Thrainer | """Build hooks env.
|
350 | 13f6af81 | Thomas Thrainer |
|
351 | 13f6af81 | Thomas Thrainer | This runs on master, primary and secondary nodes of the instance.
|
352 | 13f6af81 | Thomas Thrainer |
|
353 | 13f6af81 | Thomas Thrainer | """
|
354 | 13f6af81 | Thomas Thrainer | env = { |
355 | 13f6af81 | Thomas Thrainer | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
356 | 13f6af81 | Thomas Thrainer | "REBOOT_TYPE": self.op.reboot_type, |
357 | 13f6af81 | Thomas Thrainer | "SHUTDOWN_TIMEOUT": self.op.shutdown_timeout, |
358 | 13f6af81 | Thomas Thrainer | } |
359 | 13f6af81 | Thomas Thrainer | |
360 | 5eacbcae | Thomas Thrainer | env.update(BuildInstanceHookEnvByObject(self, self.instance)) |
361 | 13f6af81 | Thomas Thrainer | |
362 | 13f6af81 | Thomas Thrainer | return env
|
363 | 13f6af81 | Thomas Thrainer | |
364 | 13f6af81 | Thomas Thrainer | def BuildHooksNodes(self): |
365 | 13f6af81 | Thomas Thrainer | """Build hooks nodes.
|
366 | 13f6af81 | Thomas Thrainer |
|
367 | 13f6af81 | Thomas Thrainer | """
|
368 | 13f6af81 | Thomas Thrainer | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
369 | 13f6af81 | Thomas Thrainer | return (nl, nl)
|
370 | 13f6af81 | Thomas Thrainer | |
371 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
372 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
|
373 | 13f6af81 | Thomas Thrainer |
|
374 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster.
|
375 | 13f6af81 | Thomas Thrainer |
|
376 | 13f6af81 | Thomas Thrainer | """
|
377 | 13f6af81 | Thomas Thrainer | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
378 | 13f6af81 | Thomas Thrainer | assert self.instance is not None, \ |
379 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
380 | 5eacbcae | Thomas Thrainer | CheckInstanceState(self, instance, INSTANCE_ONLINE)
|
381 | 5eacbcae | Thomas Thrainer | CheckNodeOnline(self, instance.primary_node)
|
382 | 13f6af81 | Thomas Thrainer | |
383 | 13f6af81 | Thomas Thrainer | # check bridges existence
|
384 | 5eacbcae | Thomas Thrainer | CheckInstanceBridgesExist(self, instance)
|
385 | 13f6af81 | Thomas Thrainer | |
386 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
387 | 13f6af81 | Thomas Thrainer | """Reboot the instance.
|
388 | 13f6af81 | Thomas Thrainer |
|
389 | 13f6af81 | Thomas Thrainer | """
|
390 | 13f6af81 | Thomas Thrainer | instance = self.instance
|
391 | 13f6af81 | Thomas Thrainer | ignore_secondaries = self.op.ignore_secondaries
|
392 | 13f6af81 | Thomas Thrainer | reboot_type = self.op.reboot_type
|
393 | 13f6af81 | Thomas Thrainer | reason = self.op.reason
|
394 | 13f6af81 | Thomas Thrainer | |
395 | 13f6af81 | Thomas Thrainer | remote_info = self.rpc.call_instance_info(instance.primary_node,
|
396 | 13f6af81 | Thomas Thrainer | instance.name, |
397 | 13f6af81 | Thomas Thrainer | instance.hypervisor) |
398 | 13f6af81 | Thomas Thrainer | remote_info.Raise("Error checking node %s" % instance.primary_node)
|
399 | 13f6af81 | Thomas Thrainer | instance_running = bool(remote_info.payload)
|
400 | 13f6af81 | Thomas Thrainer | |
401 | 13f6af81 | Thomas Thrainer | node_current = instance.primary_node |
402 | 13f6af81 | Thomas Thrainer | |
403 | 13f6af81 | Thomas Thrainer | if instance_running and reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
404 | 13f6af81 | Thomas Thrainer | constants.INSTANCE_REBOOT_HARD]: |
405 | 13f6af81 | Thomas Thrainer | for disk in instance.disks: |
406 | 13f6af81 | Thomas Thrainer | self.cfg.SetDiskID(disk, node_current)
|
407 | 13f6af81 | Thomas Thrainer | result = self.rpc.call_instance_reboot(node_current, instance,
|
408 | 13f6af81 | Thomas Thrainer | reboot_type, |
409 | 13f6af81 | Thomas Thrainer | self.op.shutdown_timeout, reason)
|
410 | 13f6af81 | Thomas Thrainer | result.Raise("Could not reboot instance")
|
411 | 13f6af81 | Thomas Thrainer | else:
|
412 | 13f6af81 | Thomas Thrainer | if instance_running:
|
413 | 13f6af81 | Thomas Thrainer | result = self.rpc.call_instance_shutdown(node_current, instance,
|
414 | 13f6af81 | Thomas Thrainer | self.op.shutdown_timeout,
|
415 | 13f6af81 | Thomas Thrainer | reason) |
416 | 13f6af81 | Thomas Thrainer | result.Raise("Could not shutdown instance for full reboot")
|
417 | 5eacbcae | Thomas Thrainer | ShutdownInstanceDisks(self, instance)
|
418 | 13f6af81 | Thomas Thrainer | else:
|
419 | 13f6af81 | Thomas Thrainer | self.LogInfo("Instance %s was already stopped, starting now", |
420 | 13f6af81 | Thomas Thrainer | instance.name) |
421 | 5eacbcae | Thomas Thrainer | StartInstanceDisks(self, instance, ignore_secondaries)
|
422 | 13f6af81 | Thomas Thrainer | result = self.rpc.call_instance_start(node_current,
|
423 | 13f6af81 | Thomas Thrainer | (instance, None, None), False, |
424 | 13f6af81 | Thomas Thrainer | reason) |
425 | 13f6af81 | Thomas Thrainer | msg = result.fail_msg |
426 | 13f6af81 | Thomas Thrainer | if msg:
|
427 | 5eacbcae | Thomas Thrainer | ShutdownInstanceDisks(self, instance)
|
428 | 13f6af81 | Thomas Thrainer | raise errors.OpExecError("Could not start instance for" |
429 | 13f6af81 | Thomas Thrainer | " full reboot: %s" % msg)
|
430 | 13f6af81 | Thomas Thrainer | |
431 | 13f6af81 | Thomas Thrainer | self.cfg.MarkInstanceUp(instance.name)
|
432 | 13f6af81 | Thomas Thrainer | |
433 | 13f6af81 | Thomas Thrainer | |
434 | 5eacbcae | Thomas Thrainer | def GetInstanceConsole(cluster, instance): |
435 | 13f6af81 | Thomas Thrainer | """Returns console information for an instance.
|
436 | 13f6af81 | Thomas Thrainer |
|
437 | 13f6af81 | Thomas Thrainer | @type cluster: L{objects.Cluster}
|
438 | 13f6af81 | Thomas Thrainer | @type instance: L{objects.Instance}
|
439 | 13f6af81 | Thomas Thrainer | @rtype: dict
|
440 | 13f6af81 | Thomas Thrainer |
|
441 | 13f6af81 | Thomas Thrainer | """
|
442 | 13f6af81 | Thomas Thrainer | hyper = hypervisor.GetHypervisorClass(instance.hypervisor) |
443 | 13f6af81 | Thomas Thrainer | # beparams and hvparams are passed separately, to avoid editing the
|
444 | 13f6af81 | Thomas Thrainer | # instance and then saving the defaults in the instance itself.
|
445 | 13f6af81 | Thomas Thrainer | hvparams = cluster.FillHV(instance) |
446 | 13f6af81 | Thomas Thrainer | beparams = cluster.FillBE(instance) |
447 | 13f6af81 | Thomas Thrainer | console = hyper.GetInstanceConsole(instance, hvparams, beparams) |
448 | 13f6af81 | Thomas Thrainer | |
449 | 13f6af81 | Thomas Thrainer | assert console.instance == instance.name
|
450 | 13f6af81 | Thomas Thrainer | assert console.Validate()
|
451 | 13f6af81 | Thomas Thrainer | |
452 | 13f6af81 | Thomas Thrainer | return console.ToDict()
|
453 | 13f6af81 | Thomas Thrainer | |
454 | 13f6af81 | Thomas Thrainer | |
455 | 13f6af81 | Thomas Thrainer | class LUInstanceConsole(NoHooksLU): |
456 | 13f6af81 | Thomas Thrainer | """Connect to an instance's console.
|
457 | 13f6af81 | Thomas Thrainer |
|
458 | 13f6af81 | Thomas Thrainer | This is somewhat special in that it returns the command line that
|
459 | 13f6af81 | Thomas Thrainer | you need to run on the master node in order to connect to the
|
460 | 13f6af81 | Thomas Thrainer | console.
|
461 | 13f6af81 | Thomas Thrainer |
|
462 | 13f6af81 | Thomas Thrainer | """
|
463 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
|
464 | 13f6af81 | Thomas Thrainer | |
465 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
466 | 5eacbcae | Thomas Thrainer | self.share_locks = ShareAll()
|
467 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
|
468 | 13f6af81 | Thomas Thrainer | |
469 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
470 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
|
471 | 13f6af81 | Thomas Thrainer |
|
472 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster.
|
473 | 13f6af81 | Thomas Thrainer |
|
474 | 13f6af81 | Thomas Thrainer | """
|
475 | 13f6af81 | Thomas Thrainer | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
476 | 13f6af81 | Thomas Thrainer | assert self.instance is not None, \ |
477 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
478 | 5eacbcae | Thomas Thrainer | CheckNodeOnline(self, self.instance.primary_node) |
479 | 13f6af81 | Thomas Thrainer | |
480 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
481 | 13f6af81 | Thomas Thrainer | """Connect to the console of an instance
|
482 | 13f6af81 | Thomas Thrainer |
|
483 | 13f6af81 | Thomas Thrainer | """
|
484 | 13f6af81 | Thomas Thrainer | instance = self.instance
|
485 | 13f6af81 | Thomas Thrainer | node = instance.primary_node |
486 | 13f6af81 | Thomas Thrainer | |
487 | 13f6af81 | Thomas Thrainer | node_insts = self.rpc.call_instance_list([node],
|
488 | 13f6af81 | Thomas Thrainer | [instance.hypervisor])[node] |
489 | 13f6af81 | Thomas Thrainer | node_insts.Raise("Can't get node information from %s" % node)
|
490 | 13f6af81 | Thomas Thrainer | |
491 | 13f6af81 | Thomas Thrainer | if instance.name not in node_insts.payload: |
492 | 13f6af81 | Thomas Thrainer | if instance.admin_state == constants.ADMINST_UP:
|
493 | 13f6af81 | Thomas Thrainer | state = constants.INSTST_ERRORDOWN |
494 | 13f6af81 | Thomas Thrainer | elif instance.admin_state == constants.ADMINST_DOWN:
|
495 | 13f6af81 | Thomas Thrainer | state = constants.INSTST_ADMINDOWN |
496 | 13f6af81 | Thomas Thrainer | else:
|
497 | 13f6af81 | Thomas Thrainer | state = constants.INSTST_ADMINOFFLINE |
498 | 13f6af81 | Thomas Thrainer | raise errors.OpExecError("Instance %s is not running (state %s)" % |
499 | 13f6af81 | Thomas Thrainer | (instance.name, state)) |
500 | 13f6af81 | Thomas Thrainer | |
501 | 13f6af81 | Thomas Thrainer | logging.debug("Connecting to console of %s on %s", instance.name, node)
|
502 | 13f6af81 | Thomas Thrainer | |
503 | 5eacbcae | Thomas Thrainer | return GetInstanceConsole(self.cfg.GetClusterInfo(), instance) |
504 | 06c2fb4a | Dimitris Aragiorgis | |
505 | 06c2fb4a | Dimitris Aragiorgis | |
506 | 06c2fb4a | Dimitris Aragiorgis | class LUInstanceSnapshot(LogicalUnit): |
507 | 06c2fb4a | Dimitris Aragiorgis | """Take a snapshot of the instance.
|
508 | 06c2fb4a | Dimitris Aragiorgis |
|
509 | 06c2fb4a | Dimitris Aragiorgis | """
|
510 | 06c2fb4a | Dimitris Aragiorgis | HPATH = "instance-snapshot"
|
511 | 06c2fb4a | Dimitris Aragiorgis | HTYPE = constants.HTYPE_INSTANCE |
512 | 06c2fb4a | Dimitris Aragiorgis | REQ_BGL = False
|
513 | 06c2fb4a | Dimitris Aragiorgis | |
514 | 06c2fb4a | Dimitris Aragiorgis | def ExpandNames(self): |
515 | 06c2fb4a | Dimitris Aragiorgis | self._ExpandAndLockInstance()
|
516 | 06c2fb4a | Dimitris Aragiorgis | |
517 | 06c2fb4a | Dimitris Aragiorgis | def BuildHooksEnv(self): |
518 | 06c2fb4a | Dimitris Aragiorgis | """Build hooks env.
|
519 | 06c2fb4a | Dimitris Aragiorgis |
|
520 | 06c2fb4a | Dimitris Aragiorgis | This runs on master, primary and secondary nodes of the instance.
|
521 | 06c2fb4a | Dimitris Aragiorgis |
|
522 | 06c2fb4a | Dimitris Aragiorgis | """
|
523 | 06c2fb4a | Dimitris Aragiorgis | return BuildInstanceHookEnvByObject(self, self.instance) |
524 | 06c2fb4a | Dimitris Aragiorgis | |
525 | 06c2fb4a | Dimitris Aragiorgis | def BuildHooksNodes(self): |
526 | 06c2fb4a | Dimitris Aragiorgis | """Build hooks nodes.
|
527 | 06c2fb4a | Dimitris Aragiorgis |
|
528 | 06c2fb4a | Dimitris Aragiorgis | """
|
529 | 06c2fb4a | Dimitris Aragiorgis | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
530 | 06c2fb4a | Dimitris Aragiorgis | return (nl, nl)
|
531 | 06c2fb4a | Dimitris Aragiorgis | |
532 | 06c2fb4a | Dimitris Aragiorgis | def CheckPrereq(self): |
533 | 06c2fb4a | Dimitris Aragiorgis | """Check prerequisites.
|
534 | 06c2fb4a | Dimitris Aragiorgis |
|
535 | 06c2fb4a | Dimitris Aragiorgis | This checks that the instance is in the cluster and is not running.
|
536 | 06c2fb4a | Dimitris Aragiorgis |
|
537 | 06c2fb4a | Dimitris Aragiorgis | """
|
538 | 06c2fb4a | Dimitris Aragiorgis | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
539 | 06c2fb4a | Dimitris Aragiorgis | assert instance is not None, \ |
540 | 06c2fb4a | Dimitris Aragiorgis | "Cannot retrieve locked instance %s" % self.op.instance_name |
541 | 06c2fb4a | Dimitris Aragiorgis | CheckNodeOnline(self, instance.primary_node, "Instance primary node" |
542 | 06c2fb4a | Dimitris Aragiorgis | " offline, cannot snapshot")
|
543 | 06c2fb4a | Dimitris Aragiorgis | |
544 | 06c2fb4a | Dimitris Aragiorgis | self.snapshots = []
|
545 | 06c2fb4a | Dimitris Aragiorgis | for ident, params in self.op.disks: |
546 | 06c2fb4a | Dimitris Aragiorgis | idx, disk = GetItemFromContainer(ident, 'disk', instance.disks)
|
547 | 06c2fb4a | Dimitris Aragiorgis | snapshot_name = params.get("snapshot_name", None) |
548 | 06c2fb4a | Dimitris Aragiorgis | if not snapshot_name: |
549 | 06c2fb4a | Dimitris Aragiorgis | raise errors.OpPrereqError("No snapshot_name passed for disk %s", ident) |
550 | 06c2fb4a | Dimitris Aragiorgis | self.snapshots.append((idx, disk, snapshot_name))
|
551 | 06c2fb4a | Dimitris Aragiorgis | |
552 | 06c2fb4a | Dimitris Aragiorgis | self.instance = instance
|
553 | 06c2fb4a | Dimitris Aragiorgis | |
554 | 06c2fb4a | Dimitris Aragiorgis | def Exec(self, feedback_fn): |
555 | 06c2fb4a | Dimitris Aragiorgis | """Take a snapshot of the instance the instance.
|
556 | 06c2fb4a | Dimitris Aragiorgis |
|
557 | 06c2fb4a | Dimitris Aragiorgis | """
|
558 | 06c2fb4a | Dimitris Aragiorgis | inst = self.instance
|
559 | 06c2fb4a | Dimitris Aragiorgis | node_uuid = inst.primary_node |
560 | 06c2fb4a | Dimitris Aragiorgis | for idx, disk, snapshot_name in self.snapshots: |
561 | 06c2fb4a | Dimitris Aragiorgis | self.cfg.SetDiskID(disk, node_uuid)
|
562 | 06c2fb4a | Dimitris Aragiorgis | feedback_fn("Taking a snapshot of instance...")
|
563 | 06c2fb4a | Dimitris Aragiorgis | result = self.rpc.call_blockdev_snapshot(node_uuid,
|
564 | 06c2fb4a | Dimitris Aragiorgis | (disk, inst), |
565 | 06c2fb4a | Dimitris Aragiorgis | snapshot_name) |
566 | 06c2fb4a | Dimitris Aragiorgis | result.Raise("Could not take a snapshot for instance %s disk/%d %s"
|
567 | 06c2fb4a | Dimitris Aragiorgis | " on node %s" % (inst, idx, disk.uuid, inst.primary_node)) |