root / lib / cmdlib / instance_operation.py @ 3360026f
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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 | 83f54caa | Jose A. Lopes | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 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 | 1c3231aa | Thomas Thrainer | CheckHVParams, CheckInstanceState, CheckNodeOnline, GetUpdatedParams, \ |
40 | 83f54caa | Jose A. Lopes | CheckOSParams, CheckOSImage, ShareAll |
41 | 5eacbcae | Thomas Thrainer | from ganeti.cmdlib.instance_storage import StartInstanceDisks, \ |
42 | 83f54caa | Jose A. Lopes | ShutdownInstanceDisks, ImageDisks |
43 | 5eacbcae | Thomas Thrainer | from ganeti.cmdlib.instance_utils import BuildInstanceHookEnvByObject, \ |
44 | 5eacbcae | Thomas Thrainer | CheckInstanceBridgesExist, CheckNodeFreeMemory, CheckNodeHasOS |
45 | 9c71582f | Jose A. Lopes | from ganeti.hypervisor import hv_base |
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 | da4a52a3 | Thomas Thrainer | self.instance = self.cfg.GetInstanceInfo(self.op.instance_uuid) |
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 | 0bbec3af | Helga Velroyen | cluster = self.cfg.GetClusterInfo()
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103 | 13f6af81 | Thomas Thrainer | # extra hvparams
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104 | 13f6af81 | Thomas Thrainer | if self.op.hvparams: |
105 | 13f6af81 | Thomas Thrainer | # check hypervisor parameter syntax (locally)
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106 | 13f6af81 | Thomas Thrainer | utils.ForceDictType(self.op.hvparams, constants.HVS_PARAMETER_TYPES)
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107 | d0d7d7cf | Thomas Thrainer | filled_hvp = cluster.FillHV(self.instance)
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108 | 13f6af81 | Thomas Thrainer | filled_hvp.update(self.op.hvparams)
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109 | d0d7d7cf | Thomas Thrainer | hv_type = hypervisor.GetHypervisorClass(self.instance.hypervisor)
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110 | 13f6af81 | Thomas Thrainer | hv_type.CheckParameterSyntax(filled_hvp) |
111 | d0d7d7cf | Thomas Thrainer | CheckHVParams(self, self.instance.all_nodes, self.instance.hypervisor, |
112 | d0d7d7cf | Thomas Thrainer | filled_hvp) |
113 | 13f6af81 | Thomas Thrainer | |
114 | d0d7d7cf | Thomas Thrainer | CheckInstanceState(self, self.instance, INSTANCE_ONLINE) |
115 | 13f6af81 | Thomas Thrainer | |
116 | d0d7d7cf | Thomas Thrainer | self.primary_offline = \
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117 | d0d7d7cf | Thomas Thrainer | self.cfg.GetNodeInfo(self.instance.primary_node).offline |
118 | 13f6af81 | Thomas Thrainer | |
119 | 13f6af81 | Thomas Thrainer | if self.primary_offline and self.op.ignore_offline_nodes: |
120 | 13f6af81 | Thomas Thrainer | self.LogWarning("Ignoring offline primary node") |
121 | 13f6af81 | Thomas Thrainer | |
122 | 13f6af81 | Thomas Thrainer | if self.op.hvparams or self.op.beparams: |
123 | 13f6af81 | Thomas Thrainer | self.LogWarning("Overridden parameters are ignored") |
124 | 13f6af81 | Thomas Thrainer | else:
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125 | d0d7d7cf | Thomas Thrainer | CheckNodeOnline(self, self.instance.primary_node) |
126 | 13f6af81 | Thomas Thrainer | |
127 | d0d7d7cf | Thomas Thrainer | bep = self.cfg.GetClusterInfo().FillBE(self.instance) |
128 | 13f6af81 | Thomas Thrainer | bep.update(self.op.beparams)
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129 | 13f6af81 | Thomas Thrainer | |
130 | 13f6af81 | Thomas Thrainer | # check bridges existence
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131 | d0d7d7cf | Thomas Thrainer | CheckInstanceBridgesExist(self, self.instance) |
132 | 13f6af81 | Thomas Thrainer | |
133 | 0bbec3af | Helga Velroyen | remote_info = self.rpc.call_instance_info(
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134 | d0d7d7cf | Thomas Thrainer | self.instance.primary_node, self.instance.name, |
135 | d0d7d7cf | Thomas Thrainer | self.instance.hypervisor, cluster.hvparams[self.instance.hypervisor]) |
136 | 1c3231aa | Thomas Thrainer | remote_info.Raise("Error checking node %s" %
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137 | d0d7d7cf | Thomas Thrainer | self.cfg.GetNodeName(self.instance.primary_node), |
138 | 13f6af81 | Thomas Thrainer | prereq=True, ecode=errors.ECODE_ENVIRON)
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139 | 9c71582f | Jose A. Lopes | if remote_info.payload:
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140 | 9c71582f | Jose A. Lopes | if hv_base.HvInstanceState.IsShutdown(remote_info.payload["state"]): |
141 | 9c71582f | Jose A. Lopes | raise errors.OpPrereqError("Instance '%s' was shutdown by the user," |
142 | 9c71582f | Jose A. Lopes | " please shutdown the instance before"
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143 | 9c71582f | Jose A. Lopes | " starting it again" % self.instance.name, |
144 | 9c71582f | Jose A. Lopes | errors.ECODE_INVAL) |
145 | 9c71582f | Jose A. Lopes | else: # not running already |
146 | a295eb80 | Helga Velroyen | CheckNodeFreeMemory( |
147 | d0d7d7cf | Thomas Thrainer | self, self.instance.primary_node, |
148 | d0d7d7cf | Thomas Thrainer | "starting instance %s" % self.instance.name, |
149 | d0d7d7cf | Thomas Thrainer | bep[constants.BE_MINMEM], self.instance.hypervisor,
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150 | d0d7d7cf | Thomas Thrainer | self.cfg.GetClusterInfo().hvparams[self.instance.hypervisor]) |
151 | 13f6af81 | Thomas Thrainer | |
152 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
153 | 13f6af81 | Thomas Thrainer | """Start the instance.
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154 | 13f6af81 | Thomas Thrainer |
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155 | 13f6af81 | Thomas Thrainer | """
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156 | 13f6af81 | Thomas Thrainer | if not self.op.no_remember: |
157 | da4a52a3 | Thomas Thrainer | self.cfg.MarkInstanceUp(self.instance.uuid) |
158 | 13f6af81 | Thomas Thrainer | |
159 | 13f6af81 | Thomas Thrainer | if self.primary_offline: |
160 | 13f6af81 | Thomas Thrainer | assert self.op.ignore_offline_nodes |
161 | 13f6af81 | Thomas Thrainer | self.LogInfo("Primary node offline, marked instance as started") |
162 | 13f6af81 | Thomas Thrainer | else:
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163 | d0d7d7cf | Thomas Thrainer | StartInstanceDisks(self, self.instance, self.op.force) |
164 | 13f6af81 | Thomas Thrainer | |
165 | 13f6af81 | Thomas Thrainer | result = \ |
166 | d0d7d7cf | Thomas Thrainer | self.rpc.call_instance_start(self.instance.primary_node, |
167 | d0d7d7cf | Thomas Thrainer | (self.instance, self.op.hvparams, |
168 | 13f6af81 | Thomas Thrainer | self.op.beparams),
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169 | d0d7d7cf | Thomas Thrainer | self.op.startup_paused, self.op.reason) |
170 | 13f6af81 | Thomas Thrainer | msg = result.fail_msg |
171 | 13f6af81 | Thomas Thrainer | if msg:
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172 | d0d7d7cf | Thomas Thrainer | ShutdownInstanceDisks(self, self.instance) |
173 | 13f6af81 | Thomas Thrainer | raise errors.OpExecError("Could not start instance: %s" % msg) |
174 | 13f6af81 | Thomas Thrainer | |
175 | 13f6af81 | Thomas Thrainer | |
176 | 13f6af81 | Thomas Thrainer | class LUInstanceShutdown(LogicalUnit): |
177 | 13f6af81 | Thomas Thrainer | """Shutdown an instance.
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178 | 13f6af81 | Thomas Thrainer |
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179 | 13f6af81 | Thomas Thrainer | """
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180 | 13f6af81 | Thomas Thrainer | HPATH = "instance-stop"
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181 | 13f6af81 | Thomas Thrainer | HTYPE = constants.HTYPE_INSTANCE |
182 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
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183 | 13f6af81 | Thomas Thrainer | |
184 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
185 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
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186 | 13f6af81 | Thomas Thrainer | |
187 | 13f6af81 | Thomas Thrainer | def BuildHooksEnv(self): |
188 | 13f6af81 | Thomas Thrainer | """Build hooks env.
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189 | 13f6af81 | Thomas Thrainer |
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190 | 13f6af81 | Thomas Thrainer | This runs on master, primary and secondary nodes of the instance.
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191 | 13f6af81 | Thomas Thrainer |
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192 | 13f6af81 | Thomas Thrainer | """
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193 | 5eacbcae | Thomas Thrainer | env = BuildInstanceHookEnvByObject(self, self.instance) |
194 | 5cbf7832 | Jose A. Lopes | env["TIMEOUT"] = self.op.timeout |
195 | 13f6af81 | Thomas Thrainer | return env
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196 | 13f6af81 | Thomas Thrainer | |
197 | 13f6af81 | Thomas Thrainer | def BuildHooksNodes(self): |
198 | 13f6af81 | Thomas Thrainer | """Build hooks nodes.
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199 | 13f6af81 | Thomas Thrainer |
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200 | 13f6af81 | Thomas Thrainer | """
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201 | 13f6af81 | Thomas Thrainer | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
202 | 13f6af81 | Thomas Thrainer | return (nl, nl)
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203 | 13f6af81 | Thomas Thrainer | |
204 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
205 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
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206 | 13f6af81 | Thomas Thrainer |
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207 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster.
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208 | 13f6af81 | Thomas Thrainer |
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209 | 13f6af81 | Thomas Thrainer | """
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210 | da4a52a3 | Thomas Thrainer | self.instance = self.cfg.GetInstanceInfo(self.op.instance_uuid) |
211 | 13f6af81 | Thomas Thrainer | assert self.instance is not None, \ |
212 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
213 | 13f6af81 | Thomas Thrainer | |
214 | 13f6af81 | Thomas Thrainer | if not self.op.force: |
215 | 5eacbcae | Thomas Thrainer | CheckInstanceState(self, self.instance, INSTANCE_ONLINE) |
216 | 13f6af81 | Thomas Thrainer | else:
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217 | 13f6af81 | Thomas Thrainer | self.LogWarning("Ignoring offline instance check") |
218 | 13f6af81 | Thomas Thrainer | |
219 | 13f6af81 | Thomas Thrainer | self.primary_offline = \
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220 | 13f6af81 | Thomas Thrainer | self.cfg.GetNodeInfo(self.instance.primary_node).offline |
221 | 13f6af81 | Thomas Thrainer | |
222 | 13f6af81 | Thomas Thrainer | if self.primary_offline and self.op.ignore_offline_nodes: |
223 | 13f6af81 | Thomas Thrainer | self.LogWarning("Ignoring offline primary node") |
224 | 13f6af81 | Thomas Thrainer | else:
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225 | 5eacbcae | Thomas Thrainer | CheckNodeOnline(self, self.instance.primary_node) |
226 | 13f6af81 | Thomas Thrainer | |
227 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
228 | 13f6af81 | Thomas Thrainer | """Shutdown the instance.
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229 | 13f6af81 | Thomas Thrainer |
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230 | 13f6af81 | Thomas Thrainer | """
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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 | d0d7d7cf | Thomas Thrainer | if not self.op.no_remember and self.instance.admin_state in INSTANCE_ONLINE: |
234 | da4a52a3 | Thomas Thrainer | self.cfg.MarkInstanceDown(self.instance.uuid) |
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 | 34af39e8 | Jose A. Lopes | result = self.rpc.call_instance_shutdown(
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241 | 34af39e8 | Jose A. Lopes | self.instance.primary_node,
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242 | 34af39e8 | Jose A. Lopes | self.instance,
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243 | 5cbf7832 | Jose A. Lopes | self.op.timeout, self.op.reason) |
244 | 13f6af81 | Thomas Thrainer | msg = result.fail_msg |
245 | 13f6af81 | Thomas Thrainer | if msg:
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246 | 13f6af81 | Thomas Thrainer | self.LogWarning("Could not shutdown instance: %s", msg) |
247 | 13f6af81 | Thomas Thrainer | |
248 | d0d7d7cf | Thomas Thrainer | ShutdownInstanceDisks(self, self.instance) |
249 | 13f6af81 | Thomas Thrainer | |
250 | 13f6af81 | Thomas Thrainer | |
251 | 13f6af81 | Thomas Thrainer | class LUInstanceReinstall(LogicalUnit): |
252 | 13f6af81 | Thomas Thrainer | """Reinstall an instance.
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253 | 13f6af81 | Thomas Thrainer |
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254 | 13f6af81 | Thomas Thrainer | """
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255 | 13f6af81 | Thomas Thrainer | HPATH = "instance-reinstall"
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256 | 13f6af81 | Thomas Thrainer | HTYPE = constants.HTYPE_INSTANCE |
257 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
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258 | 13f6af81 | Thomas Thrainer | |
259 | 83f54caa | Jose A. Lopes | def CheckArguments(self): |
260 | 83f54caa | Jose A. Lopes | CheckOSImage(self.op)
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261 | 83f54caa | Jose A. Lopes | |
262 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
263 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
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264 | 13f6af81 | Thomas Thrainer | |
265 | 13f6af81 | Thomas Thrainer | def BuildHooksEnv(self): |
266 | 13f6af81 | Thomas Thrainer | """Build hooks env.
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267 | 13f6af81 | Thomas Thrainer |
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268 | 13f6af81 | Thomas Thrainer | This runs on master, primary and secondary nodes of the instance.
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269 | 13f6af81 | Thomas Thrainer |
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270 | 13f6af81 | Thomas Thrainer | """
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271 | 5eacbcae | Thomas Thrainer | return BuildInstanceHookEnvByObject(self, self.instance) |
272 | 13f6af81 | Thomas Thrainer | |
273 | 13f6af81 | Thomas Thrainer | def BuildHooksNodes(self): |
274 | 13f6af81 | Thomas Thrainer | """Build hooks nodes.
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275 | 13f6af81 | Thomas Thrainer |
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276 | 13f6af81 | Thomas Thrainer | """
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277 | 13f6af81 | Thomas Thrainer | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
278 | 13f6af81 | Thomas Thrainer | return (nl, nl)
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279 | 13f6af81 | Thomas Thrainer | |
280 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
281 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
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282 | 13f6af81 | Thomas Thrainer |
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283 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster and is not running.
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284 | 13f6af81 | Thomas Thrainer |
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285 | 13f6af81 | Thomas Thrainer | """
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286 | da4a52a3 | Thomas Thrainer | instance = self.cfg.GetInstanceInfo(self.op.instance_uuid) |
287 | 13f6af81 | Thomas Thrainer | assert instance is not None, \ |
288 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
289 | 5eacbcae | Thomas Thrainer | CheckNodeOnline(self, instance.primary_node, "Instance primary node" |
290 | 5eacbcae | Thomas Thrainer | " offline, cannot reinstall")
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291 | 13f6af81 | Thomas Thrainer | |
292 | 13f6af81 | Thomas Thrainer | if instance.disk_template == constants.DT_DISKLESS:
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293 | 13f6af81 | Thomas Thrainer | raise errors.OpPrereqError("Instance '%s' has no disks" % |
294 | 13f6af81 | Thomas Thrainer | self.op.instance_name,
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295 | 13f6af81 | Thomas Thrainer | errors.ECODE_INVAL) |
296 | 5eacbcae | Thomas Thrainer | CheckInstanceState(self, instance, INSTANCE_DOWN, msg="cannot reinstall") |
297 | 13f6af81 | Thomas Thrainer | |
298 | da0aa302 | Santi Raffa | # Handle OS parameters
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299 | da0aa302 | Santi Raffa | self._MergeValidateOsParams(instance)
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300 | da0aa302 | Santi Raffa | |
301 | da0aa302 | Santi Raffa | self.instance = instance
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302 | da0aa302 | Santi Raffa | |
303 | da0aa302 | Santi Raffa | def _MergeValidateOsParams(self, instance): |
304 | da0aa302 | Santi Raffa | "Handle the OS parameter merging and validation for the target instance."
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305 | da0aa302 | Santi Raffa | |
306 | 13f6af81 | Thomas Thrainer | if self.op.os_type is not None: |
307 | 13f6af81 | Thomas Thrainer | # OS verification
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308 | 1c3231aa | Thomas Thrainer | CheckNodeHasOS(self, instance.primary_node, self.op.os_type, |
309 | 1c3231aa | Thomas Thrainer | self.op.force_variant)
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310 | 13f6af81 | Thomas Thrainer | instance_os = self.op.os_type
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311 | 13f6af81 | Thomas Thrainer | else:
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312 | 13f6af81 | Thomas Thrainer | instance_os = instance.os |
313 | 13f6af81 | Thomas Thrainer | |
314 | 1c3231aa | Thomas Thrainer | node_uuids = list(instance.all_nodes)
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315 | 13f6af81 | Thomas Thrainer | |
316 | da0aa302 | Santi Raffa | self.op.osparams = self.op.osparams or {} |
317 | da0aa302 | Santi Raffa | self.op.osparams_private = self.op.osparams_private or {} |
318 | da0aa302 | Santi Raffa | self.op.osparams_secret = self.op.osparams_secret or {} |
319 | 13f6af81 | Thomas Thrainer | |
320 | da0aa302 | Santi Raffa | # Handle the use of 'default' values.
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321 | da0aa302 | Santi Raffa | params_public = GetUpdatedParams(instance.osparams, self.op.osparams)
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322 | da0aa302 | Santi Raffa | params_private = GetUpdatedParams(instance.osparams_private, |
323 | da0aa302 | Santi Raffa | self.op.osparams_private)
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324 | da0aa302 | Santi Raffa | params_secret = self.op.osparams_secret
|
325 | da0aa302 | Santi Raffa | |
326 | da0aa302 | Santi Raffa | cluster = self.cfg.GetClusterInfo()
|
327 | 83f54caa | Jose A. Lopes | self.osparams = cluster.SimpleFillOS(
|
328 | da0aa302 | Santi Raffa | instance_os, |
329 | da0aa302 | Santi Raffa | params_public, |
330 | da0aa302 | Santi Raffa | os_params_private=params_private, |
331 | da0aa302 | Santi Raffa | os_params_secret=params_secret |
332 | da0aa302 | Santi Raffa | ) |
333 | da0aa302 | Santi Raffa | |
334 | 83f54caa | Jose A. Lopes | CheckOSParams(self, True, node_uuids, instance_os, self.osparams) |
335 | 83f54caa | Jose A. Lopes | |
336 | 83f54caa | Jose A. Lopes | def _ReinstallOSScripts(self, instance, osparams, debug_level): |
337 | 83f54caa | Jose A. Lopes | """Reinstall OS scripts on an instance.
|
338 | 83f54caa | Jose A. Lopes |
|
339 | 83f54caa | Jose A. Lopes | @type instance: L{objects.Instance}
|
340 | 83f54caa | Jose A. Lopes | @param instance: instance of which the OS scripts should run
|
341 | 83f54caa | Jose A. Lopes |
|
342 | 83f54caa | Jose A. Lopes | @type osparams: L{dict}
|
343 | 83f54caa | Jose A. Lopes | @param osparams: OS parameters
|
344 | 83f54caa | Jose A. Lopes |
|
345 | 83f54caa | Jose A. Lopes | @type debug_level: non-negative int
|
346 | 83f54caa | Jose A. Lopes | @param debug_level: debug level
|
347 | 83f54caa | Jose A. Lopes |
|
348 | 83f54caa | Jose A. Lopes | @rtype: NoneType
|
349 | 83f54caa | Jose A. Lopes | @return: None
|
350 | 83f54caa | Jose A. Lopes | @raise errors.OpExecError: in case of failure
|
351 | 83f54caa | Jose A. Lopes |
|
352 | 83f54caa | Jose A. Lopes | """
|
353 | 83f54caa | Jose A. Lopes | self.LogInfo("Running instance OS create scripts...") |
354 | 83f54caa | Jose A. Lopes | result = self.rpc.call_instance_os_add(instance.primary_node,
|
355 | 83f54caa | Jose A. Lopes | (instance, osparams), |
356 | 83f54caa | Jose A. Lopes | True,
|
357 | 83f54caa | Jose A. Lopes | debug_level) |
358 | 83f54caa | Jose A. Lopes | result.Raise("Could not install OS for instance '%s' on node '%s'" %
|
359 | 83f54caa | Jose A. Lopes | (instance.name, self.cfg.GetNodeName(instance.primary_node)))
|
360 | 83f54caa | Jose A. Lopes | |
361 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
362 | 13f6af81 | Thomas Thrainer | """Reinstall the instance.
|
363 | 13f6af81 | Thomas Thrainer |
|
364 | 13f6af81 | Thomas Thrainer | """
|
365 | 83f54caa | Jose A. Lopes | os_image = objects.GetOSImage(self.op.osparams)
|
366 | 83f54caa | Jose A. Lopes | |
367 | 83f54caa | Jose A. Lopes | if os_image is not None: |
368 | 83f54caa | Jose A. Lopes | feedback_fn("Using OS image '%s', not changing instance"
|
369 | 83f54caa | Jose A. Lopes | " configuration" % os_image)
|
370 | 83f54caa | Jose A. Lopes | else:
|
371 | 83f54caa | Jose A. Lopes | os_image = objects.GetOSImage(self.instance.osparams)
|
372 | 83f54caa | Jose A. Lopes | |
373 | 83f54caa | Jose A. Lopes | os_type = self.op.os_type
|
374 | 83f54caa | Jose A. Lopes | |
375 | 83f54caa | Jose A. Lopes | if os_type is not None: |
376 | 83f54caa | Jose A. Lopes | feedback_fn("Changing OS scripts to '%s'..." % os_type)
|
377 | 83f54caa | Jose A. Lopes | self.instance.os = os_type
|
378 | d0d7d7cf | Thomas Thrainer | self.cfg.Update(self.instance, feedback_fn) |
379 | 83f54caa | Jose A. Lopes | else:
|
380 | 83f54caa | Jose A. Lopes | os_type = self.instance.os
|
381 | 13f6af81 | Thomas Thrainer | |
382 | 83f54caa | Jose A. Lopes | if not os_image and not os_type: |
383 | 83f54caa | Jose A. Lopes | self.LogInfo("No OS scripts or OS image specified or found in the" |
384 | 83f54caa | Jose A. Lopes | " instance's configuration, nothing to install")
|
385 | 83f54caa | Jose A. Lopes | else:
|
386 | 83f54caa | Jose A. Lopes | StartInstanceDisks(self, self.instance, None) |
387 | 83f54caa | Jose A. Lopes | try:
|
388 | 83f54caa | Jose A. Lopes | if os_image:
|
389 | 3360026f | Jose A. Lopes | ImageDisks(self, self.instance, os_image) |
390 | 83f54caa | Jose A. Lopes | |
391 | 83f54caa | Jose A. Lopes | if os_type:
|
392 | 83f54caa | Jose A. Lopes | self._ReinstallOSScripts(self.instance, self.osparams, |
393 | 83f54caa | Jose A. Lopes | self.op.debug_level)
|
394 | 83f54caa | Jose A. Lopes | finally:
|
395 | 83f54caa | Jose A. Lopes | ShutdownInstanceDisks(self, self.instance) |
396 | 13f6af81 | Thomas Thrainer | |
397 | 13f6af81 | Thomas Thrainer | |
398 | 13f6af81 | Thomas Thrainer | class LUInstanceReboot(LogicalUnit): |
399 | 13f6af81 | Thomas Thrainer | """Reboot an instance.
|
400 | 13f6af81 | Thomas Thrainer |
|
401 | 13f6af81 | Thomas Thrainer | """
|
402 | 13f6af81 | Thomas Thrainer | HPATH = "instance-reboot"
|
403 | 13f6af81 | Thomas Thrainer | HTYPE = constants.HTYPE_INSTANCE |
404 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
|
405 | 13f6af81 | Thomas Thrainer | |
406 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
407 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
|
408 | 13f6af81 | Thomas Thrainer | |
409 | 13f6af81 | Thomas Thrainer | def BuildHooksEnv(self): |
410 | 13f6af81 | Thomas Thrainer | """Build hooks env.
|
411 | 13f6af81 | Thomas Thrainer |
|
412 | 13f6af81 | Thomas Thrainer | This runs on master, primary and secondary nodes of the instance.
|
413 | 13f6af81 | Thomas Thrainer |
|
414 | 13f6af81 | Thomas Thrainer | """
|
415 | 13f6af81 | Thomas Thrainer | env = { |
416 | 13f6af81 | Thomas Thrainer | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
417 | 13f6af81 | Thomas Thrainer | "REBOOT_TYPE": self.op.reboot_type, |
418 | 13f6af81 | Thomas Thrainer | "SHUTDOWN_TIMEOUT": self.op.shutdown_timeout, |
419 | 13f6af81 | Thomas Thrainer | } |
420 | 13f6af81 | Thomas Thrainer | |
421 | 5eacbcae | Thomas Thrainer | env.update(BuildInstanceHookEnvByObject(self, self.instance)) |
422 | 13f6af81 | Thomas Thrainer | |
423 | 13f6af81 | Thomas Thrainer | return env
|
424 | 13f6af81 | Thomas Thrainer | |
425 | 13f6af81 | Thomas Thrainer | def BuildHooksNodes(self): |
426 | 13f6af81 | Thomas Thrainer | """Build hooks nodes.
|
427 | 13f6af81 | Thomas Thrainer |
|
428 | 13f6af81 | Thomas Thrainer | """
|
429 | 13f6af81 | Thomas Thrainer | nl = [self.cfg.GetMasterNode()] + list(self.instance.all_nodes) |
430 | 13f6af81 | Thomas Thrainer | return (nl, nl)
|
431 | 13f6af81 | Thomas Thrainer | |
432 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
433 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
|
434 | 13f6af81 | Thomas Thrainer |
|
435 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster.
|
436 | 13f6af81 | Thomas Thrainer |
|
437 | 13f6af81 | Thomas Thrainer | """
|
438 | da4a52a3 | Thomas Thrainer | self.instance = self.cfg.GetInstanceInfo(self.op.instance_uuid) |
439 | 13f6af81 | Thomas Thrainer | assert self.instance is not None, \ |
440 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
441 | d0d7d7cf | Thomas Thrainer | CheckInstanceState(self, self.instance, INSTANCE_ONLINE) |
442 | d0d7d7cf | Thomas Thrainer | CheckNodeOnline(self, self.instance.primary_node) |
443 | 13f6af81 | Thomas Thrainer | |
444 | 13f6af81 | Thomas Thrainer | # check bridges existence
|
445 | d0d7d7cf | Thomas Thrainer | CheckInstanceBridgesExist(self, self.instance) |
446 | 13f6af81 | Thomas Thrainer | |
447 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
448 | 13f6af81 | Thomas Thrainer | """Reboot the instance.
|
449 | 13f6af81 | Thomas Thrainer |
|
450 | 13f6af81 | Thomas Thrainer | """
|
451 | 0bbec3af | Helga Velroyen | cluster = self.cfg.GetClusterInfo()
|
452 | 0bbec3af | Helga Velroyen | remote_info = self.rpc.call_instance_info(
|
453 | d0d7d7cf | Thomas Thrainer | self.instance.primary_node, self.instance.name, |
454 | d0d7d7cf | Thomas Thrainer | self.instance.hypervisor, cluster.hvparams[self.instance.hypervisor]) |
455 | 1c3231aa | Thomas Thrainer | remote_info.Raise("Error checking node %s" %
|
456 | d0d7d7cf | Thomas Thrainer | self.cfg.GetNodeName(self.instance.primary_node)) |
457 | 13f6af81 | Thomas Thrainer | instance_running = bool(remote_info.payload)
|
458 | 13f6af81 | Thomas Thrainer | |
459 | d0d7d7cf | Thomas Thrainer | current_node_uuid = self.instance.primary_node
|
460 | 13f6af81 | Thomas Thrainer | |
461 | d0d7d7cf | Thomas Thrainer | if instance_running and \ |
462 | d0d7d7cf | Thomas Thrainer | self.op.reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
463 | d0d7d7cf | Thomas Thrainer | constants.INSTANCE_REBOOT_HARD]: |
464 | d0d7d7cf | Thomas Thrainer | result = self.rpc.call_instance_reboot(current_node_uuid, self.instance, |
465 | d0d7d7cf | Thomas Thrainer | self.op.reboot_type,
|
466 | d0d7d7cf | Thomas Thrainer | self.op.shutdown_timeout,
|
467 | d0d7d7cf | Thomas Thrainer | self.op.reason)
|
468 | 13f6af81 | Thomas Thrainer | result.Raise("Could not reboot instance")
|
469 | 13f6af81 | Thomas Thrainer | else:
|
470 | 13f6af81 | Thomas Thrainer | if instance_running:
|
471 | d0d7d7cf | Thomas Thrainer | result = self.rpc.call_instance_shutdown(current_node_uuid,
|
472 | d0d7d7cf | Thomas Thrainer | self.instance,
|
473 | 13f6af81 | Thomas Thrainer | self.op.shutdown_timeout,
|
474 | d0d7d7cf | Thomas Thrainer | self.op.reason)
|
475 | 13f6af81 | Thomas Thrainer | result.Raise("Could not shutdown instance for full reboot")
|
476 | d0d7d7cf | Thomas Thrainer | ShutdownInstanceDisks(self, self.instance) |
477 | 13f6af81 | Thomas Thrainer | else:
|
478 | 13f6af81 | Thomas Thrainer | self.LogInfo("Instance %s was already stopped, starting now", |
479 | d0d7d7cf | Thomas Thrainer | self.instance.name)
|
480 | d0d7d7cf | Thomas Thrainer | StartInstanceDisks(self, self.instance, self.op.ignore_secondaries) |
481 | 1c3231aa | Thomas Thrainer | result = self.rpc.call_instance_start(current_node_uuid,
|
482 | d0d7d7cf | Thomas Thrainer | (self.instance, None, None), False, |
483 | d0d7d7cf | Thomas Thrainer | self.op.reason)
|
484 | 13f6af81 | Thomas Thrainer | msg = result.fail_msg |
485 | 13f6af81 | Thomas Thrainer | if msg:
|
486 | d0d7d7cf | Thomas Thrainer | ShutdownInstanceDisks(self, self.instance) |
487 | 13f6af81 | Thomas Thrainer | raise errors.OpExecError("Could not start instance for" |
488 | 13f6af81 | Thomas Thrainer | " full reboot: %s" % msg)
|
489 | 13f6af81 | Thomas Thrainer | |
490 | da4a52a3 | Thomas Thrainer | self.cfg.MarkInstanceUp(self.instance.uuid) |
491 | 13f6af81 | Thomas Thrainer | |
492 | 13f6af81 | Thomas Thrainer | |
493 | c42be2c0 | Petr Pudlak | def GetInstanceConsole(cluster, instance, primary_node, node_group): |
494 | 13f6af81 | Thomas Thrainer | """Returns console information for an instance.
|
495 | 13f6af81 | Thomas Thrainer |
|
496 | 13f6af81 | Thomas Thrainer | @type cluster: L{objects.Cluster}
|
497 | 13f6af81 | Thomas Thrainer | @type instance: L{objects.Instance}
|
498 | 1c3231aa | Thomas Thrainer | @type primary_node: L{objects.Node}
|
499 | c42be2c0 | Petr Pudlak | @type node_group: L{objects.NodeGroup}
|
500 | 13f6af81 | Thomas Thrainer | @rtype: dict
|
501 | 13f6af81 | Thomas Thrainer |
|
502 | 13f6af81 | Thomas Thrainer | """
|
503 | f92d9674 | Helga Velroyen | hyper = hypervisor.GetHypervisorClass(instance.hypervisor) |
504 | 13f6af81 | Thomas Thrainer | # beparams and hvparams are passed separately, to avoid editing the
|
505 | 13f6af81 | Thomas Thrainer | # instance and then saving the defaults in the instance itself.
|
506 | 13f6af81 | Thomas Thrainer | hvparams = cluster.FillHV(instance) |
507 | 13f6af81 | Thomas Thrainer | beparams = cluster.FillBE(instance) |
508 | c42be2c0 | Petr Pudlak | console = hyper.GetInstanceConsole(instance, primary_node, node_group, |
509 | c42be2c0 | Petr Pudlak | hvparams, beparams) |
510 | 13f6af81 | Thomas Thrainer | |
511 | 13f6af81 | Thomas Thrainer | assert console.instance == instance.name
|
512 | b3724640 | Jose A. Lopes | console.Validate() |
513 | 13f6af81 | Thomas Thrainer | |
514 | 13f6af81 | Thomas Thrainer | return console.ToDict()
|
515 | 13f6af81 | Thomas Thrainer | |
516 | 13f6af81 | Thomas Thrainer | |
517 | 13f6af81 | Thomas Thrainer | class LUInstanceConsole(NoHooksLU): |
518 | 13f6af81 | Thomas Thrainer | """Connect to an instance's console.
|
519 | 13f6af81 | Thomas Thrainer |
|
520 | 13f6af81 | Thomas Thrainer | This is somewhat special in that it returns the command line that
|
521 | 13f6af81 | Thomas Thrainer | you need to run on the master node in order to connect to the
|
522 | 13f6af81 | Thomas Thrainer | console.
|
523 | 13f6af81 | Thomas Thrainer |
|
524 | 13f6af81 | Thomas Thrainer | """
|
525 | 13f6af81 | Thomas Thrainer | REQ_BGL = False
|
526 | 13f6af81 | Thomas Thrainer | |
527 | 13f6af81 | Thomas Thrainer | def ExpandNames(self): |
528 | 5eacbcae | Thomas Thrainer | self.share_locks = ShareAll()
|
529 | 13f6af81 | Thomas Thrainer | self._ExpandAndLockInstance()
|
530 | 13f6af81 | Thomas Thrainer | |
531 | 13f6af81 | Thomas Thrainer | def CheckPrereq(self): |
532 | 13f6af81 | Thomas Thrainer | """Check prerequisites.
|
533 | 13f6af81 | Thomas Thrainer |
|
534 | 13f6af81 | Thomas Thrainer | This checks that the instance is in the cluster.
|
535 | 13f6af81 | Thomas Thrainer |
|
536 | 13f6af81 | Thomas Thrainer | """
|
537 | da4a52a3 | Thomas Thrainer | self.instance = self.cfg.GetInstanceInfo(self.op.instance_uuid) |
538 | 13f6af81 | Thomas Thrainer | assert self.instance is not None, \ |
539 | 13f6af81 | Thomas Thrainer | "Cannot retrieve locked instance %s" % self.op.instance_name |
540 | 5eacbcae | Thomas Thrainer | CheckNodeOnline(self, self.instance.primary_node) |
541 | 13f6af81 | Thomas Thrainer | |
542 | 13f6af81 | Thomas Thrainer | def Exec(self, feedback_fn): |
543 | 13f6af81 | Thomas Thrainer | """Connect to the console of an instance
|
544 | 13f6af81 | Thomas Thrainer |
|
545 | 13f6af81 | Thomas Thrainer | """
|
546 | d0d7d7cf | Thomas Thrainer | node_uuid = self.instance.primary_node
|
547 | 13f6af81 | Thomas Thrainer | |
548 | 8ac806e6 | Helga Velroyen | cluster_hvparams = self.cfg.GetClusterInfo().hvparams
|
549 | d0d7d7cf | Thomas Thrainer | node_insts = self.rpc.call_instance_list(
|
550 | d0d7d7cf | Thomas Thrainer | [node_uuid], [self.instance.hypervisor],
|
551 | d0d7d7cf | Thomas Thrainer | cluster_hvparams)[node_uuid] |
552 | 1c3231aa | Thomas Thrainer | node_insts.Raise("Can't get node information from %s" %
|
553 | 1c3231aa | Thomas Thrainer | self.cfg.GetNodeName(node_uuid))
|
554 | 13f6af81 | Thomas Thrainer | |
555 | d0d7d7cf | Thomas Thrainer | if self.instance.name not in node_insts.payload: |
556 | d0d7d7cf | Thomas Thrainer | if self.instance.admin_state == constants.ADMINST_UP: |
557 | 13f6af81 | Thomas Thrainer | state = constants.INSTST_ERRORDOWN |
558 | d0d7d7cf | Thomas Thrainer | elif self.instance.admin_state == constants.ADMINST_DOWN: |
559 | 13f6af81 | Thomas Thrainer | state = constants.INSTST_ADMINDOWN |
560 | 13f6af81 | Thomas Thrainer | else:
|
561 | 13f6af81 | Thomas Thrainer | state = constants.INSTST_ADMINOFFLINE |
562 | 13f6af81 | Thomas Thrainer | raise errors.OpExecError("Instance %s is not running (state %s)" % |
563 | d0d7d7cf | Thomas Thrainer | (self.instance.name, state))
|
564 | 13f6af81 | Thomas Thrainer | |
565 | d0d7d7cf | Thomas Thrainer | logging.debug("Connecting to console of %s on %s", self.instance.name, |
566 | 1c3231aa | Thomas Thrainer | self.cfg.GetNodeName(node_uuid))
|
567 | 13f6af81 | Thomas Thrainer | |
568 | c42be2c0 | Petr Pudlak | node = self.cfg.GetNodeInfo(self.instance.primary_node) |
569 | c42be2c0 | Petr Pudlak | group = self.cfg.GetNodeGroup(node.group)
|
570 | c42be2c0 | Petr Pudlak | return GetInstanceConsole(self.cfg.GetClusterInfo(), |
571 | c42be2c0 | Petr Pudlak | self.instance, node, group) |