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1 | a8083063 | Iustin Pop | #!/usr/bin/python
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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 socket |
30 | a8083063 | Iustin Pop | import time |
31 | a8083063 | Iustin Pop | import tempfile |
32 | a8083063 | Iustin Pop | import re |
33 | a8083063 | Iustin Pop | import platform |
34 | a8083063 | Iustin Pop | |
35 | a8083063 | Iustin Pop | from ganeti import rpc |
36 | a8083063 | Iustin Pop | from ganeti import ssh |
37 | a8083063 | Iustin Pop | from ganeti import logger |
38 | a8083063 | Iustin Pop | from ganeti import utils |
39 | a8083063 | Iustin Pop | from ganeti import errors |
40 | a8083063 | Iustin Pop | from ganeti import hypervisor |
41 | a8083063 | Iustin Pop | from ganeti import config |
42 | a8083063 | Iustin Pop | from ganeti import constants |
43 | a8083063 | Iustin Pop | from ganeti import objects |
44 | a8083063 | Iustin Pop | from ganeti import opcodes |
45 | a8083063 | Iustin Pop | from ganeti import ssconf |
46 | a8083063 | Iustin Pop | |
47 | a8083063 | Iustin Pop | class LogicalUnit(object): |
48 | 396e1b78 | Michael Hanselmann | """Logical Unit base class.
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49 | a8083063 | Iustin Pop |
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50 | a8083063 | Iustin Pop | Subclasses must follow these rules:
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51 | 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 | a8083063 | Iustin Pop | self.processor = 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 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
78 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
79 | a8083063 | Iustin Pop | if attr_val is None: |
80 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
81 | 3ecf6786 | Iustin Pop | attr_name) |
82 | a8083063 | Iustin Pop | if self.REQ_CLUSTER: |
83 | a8083063 | Iustin Pop | if not cfg.IsCluster(): |
84 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cluster not initialized yet," |
85 | 3ecf6786 | Iustin Pop | " use 'gnt-cluster init' first.")
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86 | a8083063 | Iustin Pop | if self.REQ_MASTER: |
87 | 880478f8 | Iustin Pop | master = sstore.GetMasterNode() |
88 | 89e1fc26 | Iustin Pop | if master != utils.HostInfo().name:
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89 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Commands must be run on the master" |
90 | 3ecf6786 | Iustin Pop | " node %s" % master)
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91 | a8083063 | Iustin Pop | |
92 | a8083063 | Iustin Pop | def CheckPrereq(self): |
93 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
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94 | a8083063 | Iustin Pop |
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95 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
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96 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
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97 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
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98 | a8083063 | Iustin Pop | allowed.
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99 | a8083063 | Iustin Pop |
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100 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
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101 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
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102 | a8083063 | Iustin Pop |
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103 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
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104 | a8083063 | Iustin Pop | their canonical form; e.g. a short node name must be fully
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105 | a8083063 | Iustin Pop | expanded after this method has successfully completed (so that
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106 | a8083063 | Iustin Pop | hooks, logging, etc. work correctly).
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107 | a8083063 | Iustin Pop |
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108 | a8083063 | Iustin Pop | """
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109 | a8083063 | Iustin Pop | raise NotImplementedError |
110 | a8083063 | Iustin Pop | |
111 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
112 | a8083063 | Iustin Pop | """Execute the LU.
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113 | a8083063 | Iustin Pop |
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114 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
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115 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
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116 | a8083063 | Iustin Pop | code, or expected.
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117 | a8083063 | Iustin Pop |
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118 | a8083063 | Iustin Pop | """
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119 | a8083063 | Iustin Pop | raise NotImplementedError |
120 | a8083063 | Iustin Pop | |
121 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
122 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
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123 | a8083063 | Iustin Pop |
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124 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
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125 | a8083063 | Iustin Pop | containing the environment that will be used for running the
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126 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
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127 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
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128 | a8083063 | Iustin Pop | the hook should run after the execution.
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129 | a8083063 | Iustin Pop |
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130 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
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131 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
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132 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
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133 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
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134 | a8083063 | Iustin Pop |
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135 | a8083063 | Iustin Pop | As for the node lists, the master should not be included in the
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136 | a8083063 | Iustin Pop | them, as it will be added by the hooks runner in case this LU
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137 | a8083063 | Iustin Pop | requires a cluster to run on (otherwise we don't have a node
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138 | a8083063 | Iustin Pop | list). No nodes should be returned as an empty list (and not
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139 | a8083063 | Iustin Pop | None).
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140 | a8083063 | Iustin Pop |
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141 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
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142 | a8083063 | Iustin Pop | not be called.
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143 | a8083063 | Iustin Pop |
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144 | a8083063 | Iustin Pop | """
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145 | a8083063 | Iustin Pop | raise NotImplementedError |
146 | a8083063 | Iustin Pop | |
147 | a8083063 | Iustin Pop | |
148 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
149 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
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150 | a8083063 | Iustin Pop |
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151 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
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152 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
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153 | a8083063 | Iustin Pop |
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154 | a8083063 | Iustin Pop | """
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155 | a8083063 | Iustin Pop | HPATH = None
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156 | a8083063 | Iustin Pop | HTYPE = None
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157 | a8083063 | Iustin Pop | |
158 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
159 | a8083063 | Iustin Pop | """Build hooks env.
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160 | a8083063 | Iustin Pop |
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161 | a8083063 | Iustin Pop | This is a no-op, since we don't run hooks.
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162 | a8083063 | Iustin Pop |
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163 | a8083063 | Iustin Pop | """
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164 | a8083063 | Iustin Pop | return
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165 | a8083063 | Iustin Pop | |
166 | a8083063 | Iustin Pop | |
167 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
168 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
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169 | 83120a01 | Michael Hanselmann |
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170 | 83120a01 | Michael Hanselmann | Args:
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171 | 83120a01 | Michael Hanselmann | nodes: List of nodes (strings) or None for all
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172 | 83120a01 | Michael Hanselmann |
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173 | 83120a01 | Michael Hanselmann | """
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174 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
175 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
176 | dcb93971 | Michael Hanselmann | |
177 | dcb93971 | Michael Hanselmann | if nodes:
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178 | 3312b702 | Iustin Pop | wanted = [] |
179 | dcb93971 | Michael Hanselmann | |
180 | dcb93971 | Michael Hanselmann | for name in nodes: |
181 | a7ba5e53 | Iustin Pop | node = lu.cfg.ExpandNodeName(name) |
182 | dcb93971 | Michael Hanselmann | if node is None: |
183 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such node name '%s'" % name) |
184 | 3312b702 | Iustin Pop | wanted.append(node) |
185 | dcb93971 | Michael Hanselmann | |
186 | dcb93971 | Michael Hanselmann | else:
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187 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetNodeList() |
188 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
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189 | 3312b702 | Iustin Pop | |
190 | 3312b702 | Iustin Pop | |
191 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
192 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
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193 | 3312b702 | Iustin Pop |
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194 | 3312b702 | Iustin Pop | Args:
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195 | 3312b702 | Iustin Pop | instances: List of instances (strings) or None for all
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196 | 3312b702 | Iustin Pop |
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197 | 3312b702 | Iustin Pop | """
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198 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
199 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
200 | 3312b702 | Iustin Pop | |
201 | 3312b702 | Iustin Pop | if instances:
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202 | 3312b702 | Iustin Pop | wanted = [] |
203 | 3312b702 | Iustin Pop | |
204 | 3312b702 | Iustin Pop | for name in instances: |
205 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
206 | 3312b702 | Iustin Pop | if instance is None: |
207 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
208 | 3312b702 | Iustin Pop | wanted.append(instance) |
209 | 3312b702 | Iustin Pop | |
210 | 3312b702 | Iustin Pop | else:
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211 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetInstanceList() |
212 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
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213 | dcb93971 | Michael Hanselmann | |
214 | dcb93971 | Michael Hanselmann | |
215 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
216 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
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217 | 83120a01 | Michael Hanselmann |
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218 | 83120a01 | Michael Hanselmann | Args:
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219 | 83120a01 | Michael Hanselmann | static: Static fields
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220 | 83120a01 | Michael Hanselmann | dynamic: Dynamic fields
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221 | 83120a01 | Michael Hanselmann |
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222 | 83120a01 | Michael Hanselmann | """
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223 | 83120a01 | Michael Hanselmann | static_fields = frozenset(static)
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224 | 83120a01 | Michael Hanselmann | dynamic_fields = frozenset(dynamic)
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225 | dcb93971 | Michael Hanselmann | |
226 | 83120a01 | Michael Hanselmann | all_fields = static_fields | dynamic_fields |
227 | dcb93971 | Michael Hanselmann | |
228 | 83120a01 | Michael Hanselmann | if not all_fields.issuperset(selected): |
229 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
230 | 3ecf6786 | Iustin Pop | % ",".join(frozenset(selected). |
231 | 3ecf6786 | Iustin Pop | difference(all_fields))) |
232 | dcb93971 | Michael Hanselmann | |
233 | dcb93971 | Michael Hanselmann | |
234 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
235 | 396e1b78 | Michael Hanselmann | memory, vcpus, nics): |
236 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from single variables.
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237 | ecb215b5 | Michael Hanselmann |
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238 | ecb215b5 | Michael Hanselmann | Args:
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239 | ecb215b5 | Michael Hanselmann | secondary_nodes: List of secondary nodes as strings
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240 | 396e1b78 | Michael Hanselmann | """
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241 | 396e1b78 | Michael Hanselmann | env = { |
242 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
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243 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
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244 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
245 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
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246 | 396e1b78 | Michael Hanselmann | "INSTANCE_STATUS": status,
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247 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
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248 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
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249 | 396e1b78 | Michael Hanselmann | } |
250 | 396e1b78 | Michael Hanselmann | |
251 | 396e1b78 | Michael Hanselmann | if nics:
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252 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
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253 | 396e1b78 | Michael Hanselmann | for idx, (ip, bridge) in enumerate(nics): |
254 | 396e1b78 | Michael Hanselmann | if ip is None: |
255 | 396e1b78 | Michael Hanselmann | ip = ""
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256 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
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257 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_BRIDGE" % idx] = bridge
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258 | 396e1b78 | Michael Hanselmann | else:
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259 | 396e1b78 | Michael Hanselmann | nic_count = 0
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260 | 396e1b78 | Michael Hanselmann | |
261 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
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262 | 396e1b78 | Michael Hanselmann | |
263 | 396e1b78 | Michael Hanselmann | return env
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264 | 396e1b78 | Michael Hanselmann | |
265 | 396e1b78 | Michael Hanselmann | |
266 | 396e1b78 | Michael Hanselmann | def _BuildInstanceHookEnvByObject(instance, override=None): |
267 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
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268 | ecb215b5 | Michael Hanselmann |
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269 | ecb215b5 | Michael Hanselmann | Args:
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270 | ecb215b5 | Michael Hanselmann | instance: objects.Instance object of instance
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271 | ecb215b5 | Michael Hanselmann | override: dict of values to override
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272 | ecb215b5 | Michael Hanselmann | """
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273 | 396e1b78 | Michael Hanselmann | args = { |
274 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
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275 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
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276 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
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277 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
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278 | 396e1b78 | Michael Hanselmann | 'status': instance.os,
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279 | 396e1b78 | Michael Hanselmann | 'memory': instance.memory,
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280 | 396e1b78 | Michael Hanselmann | 'vcpus': instance.vcpus,
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281 | 396e1b78 | Michael Hanselmann | 'nics': [(nic.ip, nic.bridge) for nic in instance.nics], |
282 | 396e1b78 | Michael Hanselmann | } |
283 | 396e1b78 | Michael Hanselmann | if override:
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284 | 396e1b78 | Michael Hanselmann | args.update(override) |
285 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
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286 | 396e1b78 | Michael Hanselmann | |
287 | 396e1b78 | Michael Hanselmann | |
288 | a8083063 | Iustin Pop | def _UpdateEtcHosts(fullnode, ip): |
289 | a8083063 | Iustin Pop | """Ensure a node has a correct entry in /etc/hosts.
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290 | a8083063 | Iustin Pop |
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291 | a8083063 | Iustin Pop | Args:
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292 | a8083063 | Iustin Pop | fullnode - Fully qualified domain name of host. (str)
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293 | a8083063 | Iustin Pop | ip - IPv4 address of host (str)
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294 | a8083063 | Iustin Pop |
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295 | a8083063 | Iustin Pop | """
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296 | a8083063 | Iustin Pop | node = fullnode.split(".", 1)[0] |
297 | a8083063 | Iustin Pop | |
298 | a8083063 | Iustin Pop | f = open('/etc/hosts', 'r+') |
299 | a8083063 | Iustin Pop | |
300 | a8083063 | Iustin Pop | inthere = False
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301 | a8083063 | Iustin Pop | |
302 | a8083063 | Iustin Pop | save_lines = [] |
303 | a8083063 | Iustin Pop | add_lines = [] |
304 | a8083063 | Iustin Pop | removed = False
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305 | a8083063 | Iustin Pop | |
306 | a8083063 | Iustin Pop | while True: |
307 | a8083063 | Iustin Pop | rawline = f.readline() |
308 | a8083063 | Iustin Pop | |
309 | a8083063 | Iustin Pop | if not rawline: |
310 | a8083063 | Iustin Pop | # End of file
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311 | a8083063 | Iustin Pop | break
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312 | a8083063 | Iustin Pop | |
313 | a8083063 | Iustin Pop | line = rawline.split('\n')[0] |
314 | a8083063 | Iustin Pop | |
315 | a8083063 | Iustin Pop | # Strip off comments
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316 | a8083063 | Iustin Pop | line = line.split('#')[0] |
317 | a8083063 | Iustin Pop | |
318 | a8083063 | Iustin Pop | if not line: |
319 | a8083063 | Iustin Pop | # Entire line was comment, skip
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320 | a8083063 | Iustin Pop | save_lines.append(rawline) |
321 | a8083063 | Iustin Pop | continue
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322 | a8083063 | Iustin Pop | |
323 | a8083063 | Iustin Pop | fields = line.split() |
324 | a8083063 | Iustin Pop | |
325 | a8083063 | Iustin Pop | haveall = True
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326 | a8083063 | Iustin Pop | havesome = False
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327 | a8083063 | Iustin Pop | for spec in [ ip, fullnode, node ]: |
328 | a8083063 | Iustin Pop | if spec not in fields: |
329 | a8083063 | Iustin Pop | haveall = False
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330 | a8083063 | Iustin Pop | if spec in fields: |
331 | a8083063 | Iustin Pop | havesome = True
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332 | a8083063 | Iustin Pop | |
333 | a8083063 | Iustin Pop | if haveall:
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334 | a8083063 | Iustin Pop | inthere = True
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335 | a8083063 | Iustin Pop | save_lines.append(rawline) |
336 | a8083063 | Iustin Pop | continue
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337 | a8083063 | Iustin Pop | |
338 | a8083063 | Iustin Pop | if havesome and not haveall: |
339 | a8083063 | Iustin Pop | # Line (old, or manual?) which is missing some. Remove.
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340 | a8083063 | Iustin Pop | removed = True
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341 | a8083063 | Iustin Pop | continue
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342 | a8083063 | Iustin Pop | |
343 | a8083063 | Iustin Pop | save_lines.append(rawline) |
344 | a8083063 | Iustin Pop | |
345 | a8083063 | Iustin Pop | if not inthere: |
346 | a8083063 | Iustin Pop | add_lines.append('%s\t%s %s\n' % (ip, fullnode, node))
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347 | a8083063 | Iustin Pop | |
348 | a8083063 | Iustin Pop | if removed:
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349 | a8083063 | Iustin Pop | if add_lines:
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350 | a8083063 | Iustin Pop | save_lines = save_lines + add_lines |
351 | a8083063 | Iustin Pop | |
352 | a8083063 | Iustin Pop | # We removed a line, write a new file and replace old.
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353 | a8083063 | Iustin Pop | fd, tmpname = tempfile.mkstemp('tmp', 'hosts_', '/etc') |
354 | a8083063 | Iustin Pop | newfile = os.fdopen(fd, 'w')
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355 | a8083063 | Iustin Pop | newfile.write(''.join(save_lines))
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356 | a8083063 | Iustin Pop | newfile.close() |
357 | a8083063 | Iustin Pop | os.rename(tmpname, '/etc/hosts')
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358 | a8083063 | Iustin Pop | |
359 | a8083063 | Iustin Pop | elif add_lines:
|
360 | a8083063 | Iustin Pop | # Simply appending a new line will do the trick.
|
361 | a8083063 | Iustin Pop | f.seek(0, 2) |
362 | a8083063 | Iustin Pop | for add in add_lines: |
363 | a8083063 | Iustin Pop | f.write(add) |
364 | a8083063 | Iustin Pop | |
365 | a8083063 | Iustin Pop | f.close() |
366 | a8083063 | Iustin Pop | |
367 | a8083063 | Iustin Pop | |
368 | a8083063 | Iustin Pop | def _UpdateKnownHosts(fullnode, ip, pubkey): |
369 | a8083063 | Iustin Pop | """Ensure a node has a correct known_hosts entry.
|
370 | a8083063 | Iustin Pop |
|
371 | a8083063 | Iustin Pop | Args:
|
372 | a8083063 | Iustin Pop | fullnode - Fully qualified domain name of host. (str)
|
373 | a8083063 | Iustin Pop | ip - IPv4 address of host (str)
|
374 | a8083063 | Iustin Pop | pubkey - the public key of the cluster
|
375 | a8083063 | Iustin Pop |
|
376 | a8083063 | Iustin Pop | """
|
377 | 82122173 | Iustin Pop | if os.path.exists(constants.SSH_KNOWN_HOSTS_FILE):
|
378 | 82122173 | Iustin Pop | f = open(constants.SSH_KNOWN_HOSTS_FILE, 'r+') |
379 | a8083063 | Iustin Pop | else:
|
380 | 82122173 | Iustin Pop | f = open(constants.SSH_KNOWN_HOSTS_FILE, 'w+') |
381 | a8083063 | Iustin Pop | |
382 | a8083063 | Iustin Pop | inthere = False
|
383 | a8083063 | Iustin Pop | |
384 | a8083063 | Iustin Pop | save_lines = [] |
385 | a8083063 | Iustin Pop | add_lines = [] |
386 | a8083063 | Iustin Pop | removed = False
|
387 | a8083063 | Iustin Pop | |
388 | a8083063 | Iustin Pop | while True: |
389 | a8083063 | Iustin Pop | rawline = f.readline() |
390 | a8083063 | Iustin Pop | logger.Debug('read %s' % (repr(rawline),)) |
391 | a8083063 | Iustin Pop | |
392 | a8083063 | Iustin Pop | if not rawline: |
393 | a8083063 | Iustin Pop | # End of file
|
394 | a8083063 | Iustin Pop | break
|
395 | a8083063 | Iustin Pop | |
396 | a8083063 | Iustin Pop | line = rawline.split('\n')[0] |
397 | a8083063 | Iustin Pop | |
398 | a8083063 | Iustin Pop | parts = line.split(' ')
|
399 | a8083063 | Iustin Pop | fields = parts[0].split(',') |
400 | a8083063 | Iustin Pop | key = parts[2]
|
401 | a8083063 | Iustin Pop | |
402 | a8083063 | Iustin Pop | haveall = True
|
403 | a8083063 | Iustin Pop | havesome = False
|
404 | a8083063 | Iustin Pop | for spec in [ ip, fullnode ]: |
405 | a8083063 | Iustin Pop | if spec not in fields: |
406 | a8083063 | Iustin Pop | haveall = False
|
407 | a8083063 | Iustin Pop | if spec in fields: |
408 | a8083063 | Iustin Pop | havesome = True
|
409 | a8083063 | Iustin Pop | |
410 | a8083063 | Iustin Pop | logger.Debug("key, pubkey = %s." % (repr((key, pubkey)),)) |
411 | a8083063 | Iustin Pop | if haveall and key == pubkey: |
412 | a8083063 | Iustin Pop | inthere = True
|
413 | a8083063 | Iustin Pop | save_lines.append(rawline) |
414 | a8083063 | Iustin Pop | logger.Debug("Keeping known_hosts '%s'." % (repr(rawline),)) |
415 | a8083063 | Iustin Pop | continue
|
416 | a8083063 | Iustin Pop | |
417 | a8083063 | Iustin Pop | if havesome and (not haveall or key != pubkey): |
418 | a8083063 | Iustin Pop | removed = True
|
419 | a8083063 | Iustin Pop | logger.Debug("Discarding known_hosts '%s'." % (repr(rawline),)) |
420 | a8083063 | Iustin Pop | continue
|
421 | a8083063 | Iustin Pop | |
422 | a8083063 | Iustin Pop | save_lines.append(rawline) |
423 | a8083063 | Iustin Pop | |
424 | a8083063 | Iustin Pop | if not inthere: |
425 | a8083063 | Iustin Pop | add_lines.append('%s,%s ssh-rsa %s\n' % (fullnode, ip, pubkey))
|
426 | a8083063 | Iustin Pop | logger.Debug("Adding known_hosts '%s'." % (repr(add_lines[-1]),)) |
427 | a8083063 | Iustin Pop | |
428 | a8083063 | Iustin Pop | if removed:
|
429 | a8083063 | Iustin Pop | save_lines = save_lines + add_lines |
430 | a8083063 | Iustin Pop | |
431 | a8083063 | Iustin Pop | # Write a new file and replace old.
|
432 | 82122173 | Iustin Pop | fd, tmpname = tempfile.mkstemp('.tmp', 'known_hosts.', |
433 | 82122173 | Iustin Pop | constants.DATA_DIR) |
434 | a8083063 | Iustin Pop | newfile = os.fdopen(fd, 'w')
|
435 | 82122173 | Iustin Pop | try:
|
436 | 82122173 | Iustin Pop | newfile.write(''.join(save_lines))
|
437 | 82122173 | Iustin Pop | finally:
|
438 | 82122173 | Iustin Pop | newfile.close() |
439 | a8083063 | Iustin Pop | logger.Debug("Wrote new known_hosts.")
|
440 | 82122173 | Iustin Pop | os.rename(tmpname, constants.SSH_KNOWN_HOSTS_FILE) |
441 | a8083063 | Iustin Pop | |
442 | a8083063 | Iustin Pop | elif add_lines:
|
443 | a8083063 | Iustin Pop | # Simply appending a new line will do the trick.
|
444 | a8083063 | Iustin Pop | f.seek(0, 2) |
445 | a8083063 | Iustin Pop | for add in add_lines: |
446 | a8083063 | Iustin Pop | f.write(add) |
447 | a8083063 | Iustin Pop | |
448 | a8083063 | Iustin Pop | f.close() |
449 | a8083063 | Iustin Pop | |
450 | a8083063 | Iustin Pop | |
451 | a8083063 | Iustin Pop | def _HasValidVG(vglist, vgname): |
452 | a8083063 | Iustin Pop | """Checks if the volume group list is valid.
|
453 | a8083063 | Iustin Pop |
|
454 | a8083063 | Iustin Pop | A non-None return value means there's an error, and the return value
|
455 | a8083063 | Iustin Pop | is the error message.
|
456 | a8083063 | Iustin Pop |
|
457 | a8083063 | Iustin Pop | """
|
458 | a8083063 | Iustin Pop | vgsize = vglist.get(vgname, None)
|
459 | a8083063 | Iustin Pop | if vgsize is None: |
460 | a8083063 | Iustin Pop | return "volume group '%s' missing" % vgname |
461 | a8083063 | Iustin Pop | elif vgsize < 20480: |
462 | 191a8385 | Guido Trotter | return ("volume group '%s' too small (20480MiB required, %dMib found)" % |
463 | 191a8385 | Guido Trotter | (vgname, vgsize)) |
464 | a8083063 | Iustin Pop | return None |
465 | a8083063 | Iustin Pop | |
466 | a8083063 | Iustin Pop | |
467 | a8083063 | Iustin Pop | def _InitSSHSetup(node): |
468 | a8083063 | Iustin Pop | """Setup the SSH configuration for the cluster.
|
469 | a8083063 | Iustin Pop |
|
470 | a8083063 | Iustin Pop |
|
471 | a8083063 | Iustin Pop | This generates a dsa keypair for root, adds the pub key to the
|
472 | a8083063 | Iustin Pop | permitted hosts and adds the hostkey to its own known hosts.
|
473 | a8083063 | Iustin Pop |
|
474 | a8083063 | Iustin Pop | Args:
|
475 | a8083063 | Iustin Pop | node: the name of this host as a fqdn
|
476 | a8083063 | Iustin Pop |
|
477 | a8083063 | Iustin Pop | """
|
478 | a8083063 | Iustin Pop | if os.path.exists('/root/.ssh/id_dsa'): |
479 | a8083063 | Iustin Pop | utils.CreateBackup('/root/.ssh/id_dsa')
|
480 | a8083063 | Iustin Pop | if os.path.exists('/root/.ssh/id_dsa.pub'): |
481 | a8083063 | Iustin Pop | utils.CreateBackup('/root/.ssh/id_dsa.pub')
|
482 | a8083063 | Iustin Pop | |
483 | a8083063 | Iustin Pop | utils.RemoveFile('/root/.ssh/id_dsa')
|
484 | a8083063 | Iustin Pop | utils.RemoveFile('/root/.ssh/id_dsa.pub')
|
485 | a8083063 | Iustin Pop | |
486 | a8083063 | Iustin Pop | result = utils.RunCmd(["ssh-keygen", "-t", "dsa", |
487 | a8083063 | Iustin Pop | "-f", "/root/.ssh/id_dsa", |
488 | a8083063 | Iustin Pop | "-q", "-N", ""]) |
489 | a8083063 | Iustin Pop | if result.failed:
|
490 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not generate ssh keypair, error %s" % |
491 | 3ecf6786 | Iustin Pop | result.output) |
492 | a8083063 | Iustin Pop | |
493 | a8083063 | Iustin Pop | f = open('/root/.ssh/id_dsa.pub', 'r') |
494 | a8083063 | Iustin Pop | try:
|
495 | a8083063 | Iustin Pop | utils.AddAuthorizedKey('/root/.ssh/authorized_keys', f.read(8192)) |
496 | a8083063 | Iustin Pop | finally:
|
497 | a8083063 | Iustin Pop | f.close() |
498 | a8083063 | Iustin Pop | |
499 | a8083063 | Iustin Pop | |
500 | a8083063 | Iustin Pop | def _InitGanetiServerSetup(ss): |
501 | a8083063 | Iustin Pop | """Setup the necessary configuration for the initial node daemon.
|
502 | a8083063 | Iustin Pop |
|
503 | a8083063 | Iustin Pop | This creates the nodepass file containing the shared password for
|
504 | a8083063 | Iustin Pop | the cluster and also generates the SSL certificate.
|
505 | a8083063 | Iustin Pop |
|
506 | a8083063 | Iustin Pop | """
|
507 | a8083063 | Iustin Pop | # Create pseudo random password
|
508 | a8083063 | Iustin Pop | randpass = sha.new(os.urandom(64)).hexdigest()
|
509 | a8083063 | Iustin Pop | # and write it into sstore
|
510 | a8083063 | Iustin Pop | ss.SetKey(ss.SS_NODED_PASS, randpass) |
511 | a8083063 | Iustin Pop | |
512 | a8083063 | Iustin Pop | result = utils.RunCmd(["openssl", "req", "-new", "-newkey", "rsa:1024", |
513 | a8083063 | Iustin Pop | "-days", str(365*5), "-nodes", "-x509", |
514 | a8083063 | Iustin Pop | "-keyout", constants.SSL_CERT_FILE,
|
515 | a8083063 | Iustin Pop | "-out", constants.SSL_CERT_FILE, "-batch"]) |
516 | a8083063 | Iustin Pop | if result.failed:
|
517 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not generate server ssl cert, command" |
518 | 3ecf6786 | Iustin Pop | " %s had exitcode %s and error message %s" %
|
519 | 3ecf6786 | Iustin Pop | (result.cmd, result.exit_code, result.output)) |
520 | a8083063 | Iustin Pop | |
521 | a8083063 | Iustin Pop | os.chmod(constants.SSL_CERT_FILE, 0400)
|
522 | a8083063 | Iustin Pop | |
523 | a8083063 | Iustin Pop | result = utils.RunCmd([constants.NODE_INITD_SCRIPT, "restart"])
|
524 | a8083063 | Iustin Pop | |
525 | a8083063 | Iustin Pop | if result.failed:
|
526 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start the node daemon, command %s" |
527 | 3ecf6786 | Iustin Pop | " had exitcode %s and error %s" %
|
528 | 3ecf6786 | Iustin Pop | (result.cmd, result.exit_code, result.output)) |
529 | a8083063 | Iustin Pop | |
530 | a8083063 | Iustin Pop | |
531 | a8083063 | Iustin Pop | class LUInitCluster(LogicalUnit): |
532 | a8083063 | Iustin Pop | """Initialise the cluster.
|
533 | a8083063 | Iustin Pop |
|
534 | a8083063 | Iustin Pop | """
|
535 | a8083063 | Iustin Pop | HPATH = "cluster-init"
|
536 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
537 | a8083063 | Iustin Pop | _OP_REQP = ["cluster_name", "hypervisor_type", "vg_name", "mac_prefix", |
538 | 880478f8 | Iustin Pop | "def_bridge", "master_netdev"] |
539 | a8083063 | Iustin Pop | REQ_CLUSTER = False
|
540 | a8083063 | Iustin Pop | |
541 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
542 | a8083063 | Iustin Pop | """Build hooks env.
|
543 | a8083063 | Iustin Pop |
|
544 | a8083063 | Iustin Pop | Notes: Since we don't require a cluster, we must manually add
|
545 | a8083063 | Iustin Pop | ourselves in the post-run node list.
|
546 | a8083063 | Iustin Pop |
|
547 | a8083063 | Iustin Pop | """
|
548 | 396e1b78 | Michael Hanselmann | env = { |
549 | 396e1b78 | Michael Hanselmann | "CLUSTER": self.op.cluster_name, |
550 | bcf043c9 | Iustin Pop | "MASTER": self.hostname.name, |
551 | 396e1b78 | Michael Hanselmann | } |
552 | bcf043c9 | Iustin Pop | return env, [], [self.hostname.name] |
553 | a8083063 | Iustin Pop | |
554 | a8083063 | Iustin Pop | def CheckPrereq(self): |
555 | a8083063 | Iustin Pop | """Verify that the passed name is a valid one.
|
556 | a8083063 | Iustin Pop |
|
557 | a8083063 | Iustin Pop | """
|
558 | a8083063 | Iustin Pop | if config.ConfigWriter.IsCluster():
|
559 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cluster is already initialised") |
560 | a8083063 | Iustin Pop | |
561 | 89e1fc26 | Iustin Pop | self.hostname = hostname = utils.HostInfo()
|
562 | ff98055b | Iustin Pop | |
563 | bcf043c9 | Iustin Pop | if hostname.ip.startswith("127."): |
564 | 130e907e | Iustin Pop | raise errors.OpPrereqError("This host's IP resolves to the private" |
565 | 130e907e | Iustin Pop | " range (%s). Please fix DNS or /etc/hosts." %
|
566 | bcf043c9 | Iustin Pop | (hostname.ip,)) |
567 | 130e907e | Iustin Pop | |
568 | 89e1fc26 | Iustin Pop | self.clustername = clustername = utils.HostInfo(self.op.cluster_name) |
569 | a8083063 | Iustin Pop | |
570 | bcf043c9 | Iustin Pop | result = utils.RunCmd(["fping", "-S127.0.0.1", "-q", hostname.ip]) |
571 | a8083063 | Iustin Pop | if result.failed:
|
572 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Inconsistency: this host's name resolves" |
573 | 3ecf6786 | Iustin Pop | " to %s,\nbut this ip address does not"
|
574 | 3ecf6786 | Iustin Pop | " belong to this host."
|
575 | bcf043c9 | Iustin Pop | " Aborting." % hostname.ip)
|
576 | a8083063 | Iustin Pop | |
577 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
578 | a8083063 | Iustin Pop | if secondary_ip and not utils.IsValidIP(secondary_ip): |
579 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary ip given") |
580 | bcf043c9 | Iustin Pop | if secondary_ip and secondary_ip != hostname.ip: |
581 | a8083063 | Iustin Pop | result = utils.RunCmd(["fping", "-S127.0.0.1", "-q", secondary_ip]) |
582 | a8083063 | Iustin Pop | if result.failed:
|
583 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("You gave %s as secondary IP,\n" |
584 | 3ecf6786 | Iustin Pop | "but it does not belong to this host." %
|
585 | 3ecf6786 | Iustin Pop | secondary_ip) |
586 | a8083063 | Iustin Pop | self.secondary_ip = secondary_ip
|
587 | a8083063 | Iustin Pop | |
588 | a8083063 | Iustin Pop | # checks presence of the volume group given
|
589 | a8083063 | Iustin Pop | vgstatus = _HasValidVG(utils.ListVolumeGroups(), self.op.vg_name)
|
590 | a8083063 | Iustin Pop | |
591 | a8083063 | Iustin Pop | if vgstatus:
|
592 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Error: %s" % vgstatus) |
593 | a8083063 | Iustin Pop | |
594 | a8083063 | Iustin Pop | if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", |
595 | a8083063 | Iustin Pop | self.op.mac_prefix):
|
596 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid mac prefix given '%s'" % |
597 | 3ecf6786 | Iustin Pop | self.op.mac_prefix)
|
598 | a8083063 | Iustin Pop | |
599 | a8083063 | Iustin Pop | if self.op.hypervisor_type not in hypervisor.VALID_HTYPES: |
600 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid hypervisor type given '%s'" % |
601 | 3ecf6786 | Iustin Pop | self.op.hypervisor_type)
|
602 | a8083063 | Iustin Pop | |
603 | 880478f8 | Iustin Pop | result = utils.RunCmd(["ip", "link", "show", "dev", self.op.master_netdev]) |
604 | 880478f8 | Iustin Pop | if result.failed:
|
605 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid master netdev given (%s): '%s'" % |
606 | 8925faaa | Iustin Pop | (self.op.master_netdev,
|
607 | 8925faaa | Iustin Pop | result.output.strip())) |
608 | 880478f8 | Iustin Pop | |
609 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
610 | a8083063 | Iustin Pop | """Initialize the cluster.
|
611 | a8083063 | Iustin Pop |
|
612 | a8083063 | Iustin Pop | """
|
613 | a8083063 | Iustin Pop | clustername = self.clustername
|
614 | a8083063 | Iustin Pop | hostname = self.hostname
|
615 | a8083063 | Iustin Pop | |
616 | a8083063 | Iustin Pop | # set up the simple store
|
617 | a8083063 | Iustin Pop | ss = ssconf.SimpleStore() |
618 | a8083063 | Iustin Pop | ss.SetKey(ss.SS_HYPERVISOR, self.op.hypervisor_type)
|
619 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NODE, hostname.name) |
620 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, clustername.ip) |
621 | 880478f8 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NETDEV, self.op.master_netdev)
|
622 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername.name) |
623 | a8083063 | Iustin Pop | |
624 | a8083063 | Iustin Pop | # set up the inter-node password and certificate
|
625 | a8083063 | Iustin Pop | _InitGanetiServerSetup(ss) |
626 | a8083063 | Iustin Pop | |
627 | a8083063 | Iustin Pop | # start the master ip
|
628 | bcf043c9 | Iustin Pop | rpc.call_node_start_master(hostname.name) |
629 | a8083063 | Iustin Pop | |
630 | a8083063 | Iustin Pop | # set up ssh config and /etc/hosts
|
631 | a8083063 | Iustin Pop | f = open('/etc/ssh/ssh_host_rsa_key.pub', 'r') |
632 | a8083063 | Iustin Pop | try:
|
633 | a8083063 | Iustin Pop | sshline = f.read() |
634 | a8083063 | Iustin Pop | finally:
|
635 | a8083063 | Iustin Pop | f.close() |
636 | a8083063 | Iustin Pop | sshkey = sshline.split(" ")[1] |
637 | a8083063 | Iustin Pop | |
638 | bcf043c9 | Iustin Pop | _UpdateEtcHosts(hostname.name, hostname.ip) |
639 | a8083063 | Iustin Pop | |
640 | bcf043c9 | Iustin Pop | _UpdateKnownHosts(hostname.name, hostname.ip, sshkey) |
641 | a8083063 | Iustin Pop | |
642 | bcf043c9 | Iustin Pop | _InitSSHSetup(hostname.name) |
643 | a8083063 | Iustin Pop | |
644 | a8083063 | Iustin Pop | # init of cluster config file
|
645 | a8083063 | Iustin Pop | cfgw = config.ConfigWriter() |
646 | bcf043c9 | Iustin Pop | cfgw.InitConfig(hostname.name, hostname.ip, self.secondary_ip,
|
647 | 5fcdc80d | Iustin Pop | sshkey, self.op.mac_prefix,
|
648 | a8083063 | Iustin Pop | self.op.vg_name, self.op.def_bridge) |
649 | a8083063 | Iustin Pop | |
650 | a8083063 | Iustin Pop | |
651 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
652 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
653 | a8083063 | Iustin Pop |
|
654 | a8083063 | Iustin Pop | """
|
655 | a8083063 | Iustin Pop | _OP_REQP = [] |
656 | a8083063 | Iustin Pop | |
657 | a8083063 | Iustin Pop | def CheckPrereq(self): |
658 | a8083063 | Iustin Pop | """Check prerequisites.
|
659 | a8083063 | Iustin Pop |
|
660 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
661 | a8083063 | Iustin Pop |
|
662 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
663 | a8083063 | Iustin Pop |
|
664 | a8083063 | Iustin Pop | """
|
665 | 880478f8 | Iustin Pop | master = self.sstore.GetMasterNode()
|
666 | a8083063 | Iustin Pop | |
667 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
668 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
669 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
670 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
671 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
672 | db915bd1 | Michael Hanselmann | if instancelist:
|
673 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
674 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
675 | a8083063 | Iustin Pop | |
676 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
677 | a8083063 | Iustin Pop | """Destroys the cluster.
|
678 | a8083063 | Iustin Pop |
|
679 | a8083063 | Iustin Pop | """
|
680 | a8083063 | Iustin Pop | utils.CreateBackup('/root/.ssh/id_dsa')
|
681 | a8083063 | Iustin Pop | utils.CreateBackup('/root/.ssh/id_dsa.pub')
|
682 | 880478f8 | Iustin Pop | rpc.call_node_leave_cluster(self.sstore.GetMasterNode())
|
683 | a8083063 | Iustin Pop | |
684 | a8083063 | Iustin Pop | |
685 | a8083063 | Iustin Pop | class LUVerifyCluster(NoHooksLU): |
686 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
687 | a8083063 | Iustin Pop |
|
688 | a8083063 | Iustin Pop | """
|
689 | a8083063 | Iustin Pop | _OP_REQP = [] |
690 | a8083063 | Iustin Pop | |
691 | a8083063 | Iustin Pop | def _VerifyNode(self, node, file_list, local_cksum, vglist, node_result, |
692 | a8083063 | Iustin Pop | remote_version, feedback_fn): |
693 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
694 | a8083063 | Iustin Pop |
|
695 | a8083063 | Iustin Pop | Test list:
|
696 | a8083063 | Iustin Pop | - compares ganeti version
|
697 | a8083063 | Iustin Pop | - checks vg existance and size > 20G
|
698 | a8083063 | Iustin Pop | - checks config file checksum
|
699 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
700 | a8083063 | Iustin Pop |
|
701 | a8083063 | Iustin Pop | Args:
|
702 | a8083063 | Iustin Pop | node: name of the node to check
|
703 | a8083063 | Iustin Pop | file_list: required list of files
|
704 | a8083063 | Iustin Pop | local_cksum: dictionary of local files and their checksums
|
705 | 098c0958 | Michael Hanselmann |
|
706 | a8083063 | Iustin Pop | """
|
707 | a8083063 | Iustin Pop | # compares ganeti version
|
708 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
709 | a8083063 | Iustin Pop | if not remote_version: |
710 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
711 | a8083063 | Iustin Pop | return True |
712 | a8083063 | Iustin Pop | |
713 | a8083063 | Iustin Pop | if local_version != remote_version:
|
714 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
|
715 | a8083063 | Iustin Pop | (local_version, node, remote_version)) |
716 | a8083063 | Iustin Pop | return True |
717 | a8083063 | Iustin Pop | |
718 | a8083063 | Iustin Pop | # checks vg existance and size > 20G
|
719 | a8083063 | Iustin Pop | |
720 | a8083063 | Iustin Pop | bad = False
|
721 | a8083063 | Iustin Pop | if not vglist: |
722 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
723 | a8083063 | Iustin Pop | (node,)) |
724 | a8083063 | Iustin Pop | bad = True
|
725 | a8083063 | Iustin Pop | else:
|
726 | a8083063 | Iustin Pop | vgstatus = _HasValidVG(vglist, self.cfg.GetVGName())
|
727 | a8083063 | Iustin Pop | if vgstatus:
|
728 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
729 | a8083063 | Iustin Pop | bad = True
|
730 | a8083063 | Iustin Pop | |
731 | a8083063 | Iustin Pop | # checks config file checksum
|
732 | a8083063 | Iustin Pop | # checks ssh to any
|
733 | a8083063 | Iustin Pop | |
734 | a8083063 | Iustin Pop | if 'filelist' not in node_result: |
735 | a8083063 | Iustin Pop | bad = True
|
736 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
737 | a8083063 | Iustin Pop | else:
|
738 | a8083063 | Iustin Pop | remote_cksum = node_result['filelist']
|
739 | a8083063 | Iustin Pop | for file_name in file_list: |
740 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
741 | a8083063 | Iustin Pop | bad = True
|
742 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
743 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
744 | a8083063 | Iustin Pop | bad = True
|
745 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
746 | a8083063 | Iustin Pop | |
747 | a8083063 | Iustin Pop | if 'nodelist' not in node_result: |
748 | a8083063 | Iustin Pop | bad = True
|
749 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node connectivity data")
|
750 | a8083063 | Iustin Pop | else:
|
751 | a8083063 | Iustin Pop | if node_result['nodelist']: |
752 | a8083063 | Iustin Pop | bad = True
|
753 | a8083063 | Iustin Pop | for node in node_result['nodelist']: |
754 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: communication with node '%s': %s" %
|
755 | a8083063 | Iustin Pop | (node, node_result['nodelist'][node]))
|
756 | a8083063 | Iustin Pop | hyp_result = node_result.get('hypervisor', None) |
757 | a8083063 | Iustin Pop | if hyp_result is not None: |
758 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: hypervisor verify failure: '%s'" % hyp_result)
|
759 | a8083063 | Iustin Pop | return bad
|
760 | a8083063 | Iustin Pop | |
761 | a8083063 | Iustin Pop | def _VerifyInstance(self, instance, node_vol_is, node_instance, feedback_fn): |
762 | a8083063 | Iustin Pop | """Verify an instance.
|
763 | a8083063 | Iustin Pop |
|
764 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
765 | a8083063 | Iustin Pop | available on the instance's node.
|
766 | a8083063 | Iustin Pop |
|
767 | a8083063 | Iustin Pop | """
|
768 | a8083063 | Iustin Pop | bad = False
|
769 | a8083063 | Iustin Pop | |
770 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
771 | a8083063 | Iustin Pop | if not instance in instancelist: |
772 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not in instance list %s" %
|
773 | a8083063 | Iustin Pop | (instance, instancelist)) |
774 | a8083063 | Iustin Pop | bad = True
|
775 | a8083063 | Iustin Pop | |
776 | a8083063 | Iustin Pop | instanceconfig = self.cfg.GetInstanceInfo(instance)
|
777 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
778 | a8083063 | Iustin Pop | |
779 | a8083063 | Iustin Pop | node_vol_should = {} |
780 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
781 | a8083063 | Iustin Pop | |
782 | a8083063 | Iustin Pop | for node in node_vol_should: |
783 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
784 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
785 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
786 | a8083063 | Iustin Pop | (volume, node)) |
787 | a8083063 | Iustin Pop | bad = True
|
788 | a8083063 | Iustin Pop | |
789 | a8083063 | Iustin Pop | if not instanceconfig.status == 'down': |
790 | a8083063 | Iustin Pop | if not instance in node_instance[node_current]: |
791 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
792 | a8083063 | Iustin Pop | (instance, node_current)) |
793 | a8083063 | Iustin Pop | bad = True
|
794 | a8083063 | Iustin Pop | |
795 | a8083063 | Iustin Pop | for node in node_instance: |
796 | a8083063 | Iustin Pop | if (not node == node_current): |
797 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
798 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
799 | a8083063 | Iustin Pop | (instance, node)) |
800 | a8083063 | Iustin Pop | bad = True
|
801 | a8083063 | Iustin Pop | |
802 | a8083063 | Iustin Pop | return not bad |
803 | a8083063 | Iustin Pop | |
804 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
805 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
806 | a8083063 | Iustin Pop |
|
807 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
808 | a8083063 | Iustin Pop | reported as unknown.
|
809 | a8083063 | Iustin Pop |
|
810 | a8083063 | Iustin Pop | """
|
811 | a8083063 | Iustin Pop | bad = False
|
812 | a8083063 | Iustin Pop | |
813 | a8083063 | Iustin Pop | for node in node_vol_is: |
814 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
815 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
816 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
817 | a8083063 | Iustin Pop | (volume, node)) |
818 | a8083063 | Iustin Pop | bad = True
|
819 | a8083063 | Iustin Pop | return bad
|
820 | a8083063 | Iustin Pop | |
821 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
822 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
823 | a8083063 | Iustin Pop |
|
824 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
825 | a8083063 | Iustin Pop |
|
826 | a8083063 | Iustin Pop | """
|
827 | a8083063 | Iustin Pop | bad = False
|
828 | a8083063 | Iustin Pop | for node in node_instance: |
829 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
830 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
831 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
832 | a8083063 | Iustin Pop | (runninginstance, node)) |
833 | a8083063 | Iustin Pop | bad = True
|
834 | a8083063 | Iustin Pop | return bad
|
835 | a8083063 | Iustin Pop | |
836 | a8083063 | Iustin Pop | def CheckPrereq(self): |
837 | a8083063 | Iustin Pop | """Check prerequisites.
|
838 | a8083063 | Iustin Pop |
|
839 | a8083063 | Iustin Pop | This has no prerequisites.
|
840 | a8083063 | Iustin Pop |
|
841 | a8083063 | Iustin Pop | """
|
842 | a8083063 | Iustin Pop | pass
|
843 | a8083063 | Iustin Pop | |
844 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
845 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
846 | a8083063 | Iustin Pop |
|
847 | a8083063 | Iustin Pop | """
|
848 | a8083063 | Iustin Pop | bad = False
|
849 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
850 | a8083063 | Iustin Pop | self.cfg.VerifyConfig()
|
851 | a8083063 | Iustin Pop | |
852 | 880478f8 | Iustin Pop | master = self.sstore.GetMasterNode()
|
853 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
854 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
855 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
856 | a8083063 | Iustin Pop | node_volume = {} |
857 | a8083063 | Iustin Pop | node_instance = {} |
858 | a8083063 | Iustin Pop | |
859 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
860 | a8083063 | Iustin Pop | # do local checksums
|
861 | cb91d46e | Iustin Pop | file_names = list(self.sstore.GetFileList()) |
862 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
863 | cb91d46e | Iustin Pop | file_names.append(constants.CLUSTER_CONF_FILE) |
864 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
865 | a8083063 | Iustin Pop | |
866 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
867 | a8083063 | Iustin Pop | all_volumeinfo = rpc.call_volume_list(nodelist, vg_name) |
868 | a8083063 | Iustin Pop | all_instanceinfo = rpc.call_instance_list(nodelist) |
869 | a8083063 | Iustin Pop | all_vglist = rpc.call_vg_list(nodelist) |
870 | a8083063 | Iustin Pop | node_verify_param = { |
871 | a8083063 | Iustin Pop | 'filelist': file_names,
|
872 | a8083063 | Iustin Pop | 'nodelist': nodelist,
|
873 | a8083063 | Iustin Pop | 'hypervisor': None, |
874 | a8083063 | Iustin Pop | } |
875 | a8083063 | Iustin Pop | all_nvinfo = rpc.call_node_verify(nodelist, node_verify_param) |
876 | a8083063 | Iustin Pop | all_rversion = rpc.call_version(nodelist) |
877 | a8083063 | Iustin Pop | |
878 | a8083063 | Iustin Pop | for node in nodelist: |
879 | a8083063 | Iustin Pop | feedback_fn("* Verifying node %s" % node)
|
880 | a8083063 | Iustin Pop | result = self._VerifyNode(node, file_names, local_checksums,
|
881 | a8083063 | Iustin Pop | all_vglist[node], all_nvinfo[node], |
882 | a8083063 | Iustin Pop | all_rversion[node], feedback_fn) |
883 | a8083063 | Iustin Pop | bad = bad or result
|
884 | a8083063 | Iustin Pop | |
885 | a8083063 | Iustin Pop | # node_volume
|
886 | a8083063 | Iustin Pop | volumeinfo = all_volumeinfo[node] |
887 | a8083063 | Iustin Pop | |
888 | a8083063 | Iustin Pop | if type(volumeinfo) != dict: |
889 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
890 | a8083063 | Iustin Pop | bad = True
|
891 | a8083063 | Iustin Pop | continue
|
892 | a8083063 | Iustin Pop | |
893 | a8083063 | Iustin Pop | node_volume[node] = volumeinfo |
894 | a8083063 | Iustin Pop | |
895 | a8083063 | Iustin Pop | # node_instance
|
896 | a8083063 | Iustin Pop | nodeinstance = all_instanceinfo[node] |
897 | a8083063 | Iustin Pop | if type(nodeinstance) != list: |
898 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
899 | a8083063 | Iustin Pop | bad = True
|
900 | a8083063 | Iustin Pop | continue
|
901 | a8083063 | Iustin Pop | |
902 | a8083063 | Iustin Pop | node_instance[node] = nodeinstance |
903 | a8083063 | Iustin Pop | |
904 | a8083063 | Iustin Pop | node_vol_should = {} |
905 | a8083063 | Iustin Pop | |
906 | a8083063 | Iustin Pop | for instance in instancelist: |
907 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
908 | a8083063 | Iustin Pop | result = self._VerifyInstance(instance, node_volume, node_instance,
|
909 | a8083063 | Iustin Pop | feedback_fn) |
910 | a8083063 | Iustin Pop | bad = bad or result
|
911 | a8083063 | Iustin Pop | |
912 | a8083063 | Iustin Pop | inst_config = self.cfg.GetInstanceInfo(instance)
|
913 | a8083063 | Iustin Pop | |
914 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
915 | a8083063 | Iustin Pop | |
916 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
917 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
918 | a8083063 | Iustin Pop | feedback_fn) |
919 | a8083063 | Iustin Pop | bad = bad or result
|
920 | a8083063 | Iustin Pop | |
921 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
922 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
923 | a8083063 | Iustin Pop | feedback_fn) |
924 | a8083063 | Iustin Pop | bad = bad or result
|
925 | a8083063 | Iustin Pop | |
926 | a8083063 | Iustin Pop | return int(bad) |
927 | a8083063 | Iustin Pop | |
928 | a8083063 | Iustin Pop | |
929 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
930 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
931 | 07bd8a51 | Iustin Pop |
|
932 | 07bd8a51 | Iustin Pop | """
|
933 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
934 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
935 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
936 | 07bd8a51 | Iustin Pop | |
937 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
938 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
939 | 07bd8a51 | Iustin Pop |
|
940 | 07bd8a51 | Iustin Pop | """
|
941 | 07bd8a51 | Iustin Pop | env = { |
942 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
943 | 07bd8a51 | Iustin Pop | } |
944 | 07bd8a51 | Iustin Pop | mn = self.sstore.GetMasterNode()
|
945 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
946 | 07bd8a51 | Iustin Pop | |
947 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
948 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
949 | 07bd8a51 | Iustin Pop |
|
950 | 07bd8a51 | Iustin Pop | """
|
951 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
952 | 07bd8a51 | Iustin Pop | |
953 | bcf043c9 | Iustin Pop | new_name = hostname.name |
954 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
955 | 07bd8a51 | Iustin Pop | old_name = self.sstore.GetClusterName()
|
956 | 07bd8a51 | Iustin Pop | old_ip = self.sstore.GetMasterIP()
|
957 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
958 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
959 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
960 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
961 | 07bd8a51 | Iustin Pop | result = utils.RunCmd(["fping", "-q", new_ip]) |
962 | 07bd8a51 | Iustin Pop | if not result.failed: |
963 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
964 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
965 | 07bd8a51 | Iustin Pop | new_ip) |
966 | 07bd8a51 | Iustin Pop | |
967 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
968 | 07bd8a51 | Iustin Pop | |
969 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
970 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
971 | 07bd8a51 | Iustin Pop |
|
972 | 07bd8a51 | Iustin Pop | """
|
973 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
974 | 07bd8a51 | Iustin Pop | ip = self.ip
|
975 | 07bd8a51 | Iustin Pop | ss = self.sstore
|
976 | 07bd8a51 | Iustin Pop | |
977 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
978 | 07bd8a51 | Iustin Pop | master = ss.GetMasterNode() |
979 | 07bd8a51 | Iustin Pop | if not rpc.call_node_stop_master(master): |
980 | 07bd8a51 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
981 | 07bd8a51 | Iustin Pop | |
982 | 07bd8a51 | Iustin Pop | try:
|
983 | 07bd8a51 | Iustin Pop | # modify the sstore
|
984 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, ip) |
985 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername) |
986 | 07bd8a51 | Iustin Pop | |
987 | 07bd8a51 | Iustin Pop | # Distribute updated ss config to all nodes
|
988 | 07bd8a51 | Iustin Pop | myself = self.cfg.GetNodeInfo(master)
|
989 | 07bd8a51 | Iustin Pop | dist_nodes = self.cfg.GetNodeList()
|
990 | 07bd8a51 | Iustin Pop | if myself.name in dist_nodes: |
991 | 07bd8a51 | Iustin Pop | dist_nodes.remove(myself.name) |
992 | 07bd8a51 | Iustin Pop | |
993 | 07bd8a51 | Iustin Pop | logger.Debug("Copying updated ssconf data to all nodes")
|
994 | 07bd8a51 | Iustin Pop | for keyname in [ss.SS_CLUSTER_NAME, ss.SS_MASTER_IP]: |
995 | 07bd8a51 | Iustin Pop | fname = ss.KeyToFilename(keyname) |
996 | 07bd8a51 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
997 | 07bd8a51 | Iustin Pop | for to_node in dist_nodes: |
998 | 07bd8a51 | Iustin Pop | if not result[to_node]: |
999 | 07bd8a51 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1000 | 07bd8a51 | Iustin Pop | (fname, to_node)) |
1001 | 07bd8a51 | Iustin Pop | finally:
|
1002 | 07bd8a51 | Iustin Pop | if not rpc.call_node_start_master(master): |
1003 | 07bd8a51 | Iustin Pop | logger.Error("Could not re-enable the master role on the master,\n"
|
1004 | 07bd8a51 | Iustin Pop | "please restart manually.")
|
1005 | 07bd8a51 | Iustin Pop | |
1006 | 07bd8a51 | Iustin Pop | |
1007 | a8083063 | Iustin Pop | def _WaitForSync(cfgw, instance, oneshot=False, unlock=False): |
1008 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1009 | a8083063 | Iustin Pop |
|
1010 | a8083063 | Iustin Pop | """
|
1011 | a8083063 | Iustin Pop | if not instance.disks: |
1012 | a8083063 | Iustin Pop | return True |
1013 | a8083063 | Iustin Pop | |
1014 | a8083063 | Iustin Pop | if not oneshot: |
1015 | a8083063 | Iustin Pop | logger.ToStdout("Waiting for instance %s to sync disks." % instance.name)
|
1016 | a8083063 | Iustin Pop | |
1017 | a8083063 | Iustin Pop | node = instance.primary_node |
1018 | a8083063 | Iustin Pop | |
1019 | a8083063 | Iustin Pop | for dev in instance.disks: |
1020 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1021 | a8083063 | Iustin Pop | |
1022 | a8083063 | Iustin Pop | retries = 0
|
1023 | a8083063 | Iustin Pop | while True: |
1024 | a8083063 | Iustin Pop | max_time = 0
|
1025 | a8083063 | Iustin Pop | done = True
|
1026 | a8083063 | Iustin Pop | cumul_degraded = False
|
1027 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1028 | a8083063 | Iustin Pop | if not rstats: |
1029 | a8083063 | Iustin Pop | logger.ToStderr("Can't get any data from node %s" % node)
|
1030 | a8083063 | Iustin Pop | retries += 1
|
1031 | a8083063 | Iustin Pop | if retries >= 10: |
1032 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1033 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1034 | a8083063 | Iustin Pop | time.sleep(6)
|
1035 | a8083063 | Iustin Pop | continue
|
1036 | a8083063 | Iustin Pop | retries = 0
|
1037 | a8083063 | Iustin Pop | for i in range(len(rstats)): |
1038 | a8083063 | Iustin Pop | mstat = rstats[i] |
1039 | a8083063 | Iustin Pop | if mstat is None: |
1040 | a8083063 | Iustin Pop | logger.ToStderr("Can't compute data for node %s/%s" %
|
1041 | a8083063 | Iustin Pop | (node, instance.disks[i].iv_name)) |
1042 | a8083063 | Iustin Pop | continue
|
1043 | a8083063 | Iustin Pop | perc_done, est_time, is_degraded = mstat |
1044 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1045 | a8083063 | Iustin Pop | if perc_done is not None: |
1046 | a8083063 | Iustin Pop | done = False
|
1047 | a8083063 | Iustin Pop | if est_time is not None: |
1048 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1049 | a8083063 | Iustin Pop | max_time = est_time |
1050 | a8083063 | Iustin Pop | else:
|
1051 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1052 | a8083063 | Iustin Pop | logger.ToStdout("- device %s: %5.2f%% done, %s" %
|
1053 | a8083063 | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1054 | a8083063 | Iustin Pop | if done or oneshot: |
1055 | a8083063 | Iustin Pop | break
|
1056 | a8083063 | Iustin Pop | |
1057 | a8083063 | Iustin Pop | if unlock:
|
1058 | a8083063 | Iustin Pop | utils.Unlock('cmd')
|
1059 | a8083063 | Iustin Pop | try:
|
1060 | a8083063 | Iustin Pop | time.sleep(min(60, max_time)) |
1061 | a8083063 | Iustin Pop | finally:
|
1062 | a8083063 | Iustin Pop | if unlock:
|
1063 | a8083063 | Iustin Pop | utils.Lock('cmd')
|
1064 | a8083063 | Iustin Pop | |
1065 | a8083063 | Iustin Pop | if done:
|
1066 | a8083063 | Iustin Pop | logger.ToStdout("Instance %s's disks are in sync." % instance.name)
|
1067 | a8083063 | Iustin Pop | return not cumul_degraded |
1068 | a8083063 | Iustin Pop | |
1069 | a8083063 | Iustin Pop | |
1070 | a8083063 | Iustin Pop | def _CheckDiskConsistency(cfgw, dev, node, on_primary): |
1071 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1072 | a8083063 | Iustin Pop |
|
1073 | a8083063 | Iustin Pop | """
|
1074 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1075 | a8083063 | Iustin Pop | |
1076 | a8083063 | Iustin Pop | result = True
|
1077 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1078 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_find(node, dev) |
1079 | a8083063 | Iustin Pop | if not rstats: |
1080 | a8083063 | Iustin Pop | logger.ToStderr("Can't get any data from node %s" % node)
|
1081 | a8083063 | Iustin Pop | result = False
|
1082 | a8083063 | Iustin Pop | else:
|
1083 | a8083063 | Iustin Pop | result = result and (not rstats[5]) |
1084 | a8083063 | Iustin Pop | if dev.children:
|
1085 | a8083063 | Iustin Pop | for child in dev.children: |
1086 | a8083063 | Iustin Pop | result = result and _CheckDiskConsistency(cfgw, child, node, on_primary)
|
1087 | a8083063 | Iustin Pop | |
1088 | a8083063 | Iustin Pop | return result
|
1089 | a8083063 | Iustin Pop | |
1090 | a8083063 | Iustin Pop | |
1091 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1092 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1093 | a8083063 | Iustin Pop |
|
1094 | a8083063 | Iustin Pop | """
|
1095 | a8083063 | Iustin Pop | _OP_REQP = [] |
1096 | a8083063 | Iustin Pop | |
1097 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1098 | a8083063 | Iustin Pop | """Check prerequisites.
|
1099 | a8083063 | Iustin Pop |
|
1100 | a8083063 | Iustin Pop | This always succeeds, since this is a pure query LU.
|
1101 | a8083063 | Iustin Pop |
|
1102 | a8083063 | Iustin Pop | """
|
1103 | a8083063 | Iustin Pop | return
|
1104 | a8083063 | Iustin Pop | |
1105 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1106 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1107 | a8083063 | Iustin Pop |
|
1108 | a8083063 | Iustin Pop | """
|
1109 | a8083063 | Iustin Pop | node_list = self.cfg.GetNodeList()
|
1110 | a8083063 | Iustin Pop | node_data = rpc.call_os_diagnose(node_list) |
1111 | a8083063 | Iustin Pop | if node_data == False: |
1112 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't gather the list of OSes") |
1113 | a8083063 | Iustin Pop | return node_data
|
1114 | a8083063 | Iustin Pop | |
1115 | a8083063 | Iustin Pop | |
1116 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1117 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1118 | a8083063 | Iustin Pop |
|
1119 | a8083063 | Iustin Pop | """
|
1120 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1121 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1122 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1123 | a8083063 | Iustin Pop | |
1124 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1125 | a8083063 | Iustin Pop | """Build hooks env.
|
1126 | a8083063 | Iustin Pop |
|
1127 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1128 | a8083063 | Iustin Pop | node would not allows itself to run.
|
1129 | a8083063 | Iustin Pop |
|
1130 | a8083063 | Iustin Pop | """
|
1131 | 396e1b78 | Michael Hanselmann | env = { |
1132 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1133 | 396e1b78 | Michael Hanselmann | } |
1134 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1135 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1136 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1137 | a8083063 | Iustin Pop | |
1138 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1139 | a8083063 | Iustin Pop | """Check prerequisites.
|
1140 | a8083063 | Iustin Pop |
|
1141 | a8083063 | Iustin Pop | This checks:
|
1142 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1143 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1144 | a8083063 | Iustin Pop | - it's not the master
|
1145 | a8083063 | Iustin Pop |
|
1146 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1147 | a8083063 | Iustin Pop |
|
1148 | a8083063 | Iustin Pop | """
|
1149 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1150 | a8083063 | Iustin Pop | if node is None: |
1151 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1152 | a8083063 | Iustin Pop | |
1153 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1154 | a8083063 | Iustin Pop | |
1155 | 880478f8 | Iustin Pop | masternode = self.sstore.GetMasterNode()
|
1156 | a8083063 | Iustin Pop | if node.name == masternode:
|
1157 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
1158 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
1159 | a8083063 | Iustin Pop | |
1160 | a8083063 | Iustin Pop | for instance_name in instance_list: |
1161 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
1162 | a8083063 | Iustin Pop | if node.name == instance.primary_node:
|
1163 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s still running on the node," |
1164 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1165 | a8083063 | Iustin Pop | if node.name in instance.secondary_nodes: |
1166 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s has node as a secondary," |
1167 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1168 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
1169 | a8083063 | Iustin Pop | self.node = node
|
1170 | a8083063 | Iustin Pop | |
1171 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1172 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
1173 | a8083063 | Iustin Pop |
|
1174 | a8083063 | Iustin Pop | """
|
1175 | a8083063 | Iustin Pop | node = self.node
|
1176 | a8083063 | Iustin Pop | logger.Info("stopping the node daemon and removing configs from node %s" %
|
1177 | a8083063 | Iustin Pop | node.name) |
1178 | a8083063 | Iustin Pop | |
1179 | a8083063 | Iustin Pop | rpc.call_node_leave_cluster(node.name) |
1180 | a8083063 | Iustin Pop | |
1181 | a8083063 | Iustin Pop | ssh.SSHCall(node.name, 'root', "%s stop" % constants.NODE_INITD_SCRIPT) |
1182 | a8083063 | Iustin Pop | |
1183 | a8083063 | Iustin Pop | logger.Info("Removing node %s from config" % node.name)
|
1184 | a8083063 | Iustin Pop | |
1185 | a8083063 | Iustin Pop | self.cfg.RemoveNode(node.name)
|
1186 | a8083063 | Iustin Pop | |
1187 | a8083063 | Iustin Pop | |
1188 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
1189 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
1190 | a8083063 | Iustin Pop |
|
1191 | a8083063 | Iustin Pop | """
|
1192 | 246e180a | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1193 | a8083063 | Iustin Pop | |
1194 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1195 | a8083063 | Iustin Pop | """Check prerequisites.
|
1196 | a8083063 | Iustin Pop |
|
1197 | a8083063 | Iustin Pop | This checks that the fields required are valid output fields.
|
1198 | a8083063 | Iustin Pop |
|
1199 | a8083063 | Iustin Pop | """
|
1200 | a8083063 | Iustin Pop | self.dynamic_fields = frozenset(["dtotal", "dfree", |
1201 | a8083063 | Iustin Pop | "mtotal", "mnode", "mfree"]) |
1202 | a8083063 | Iustin Pop | |
1203 | ec223efb | Iustin Pop | _CheckOutputFields(static=["name", "pinst_cnt", "sinst_cnt", |
1204 | ec223efb | Iustin Pop | "pinst_list", "sinst_list", |
1205 | ec223efb | Iustin Pop | "pip", "sip"], |
1206 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
1207 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1208 | a8083063 | Iustin Pop | |
1209 | 246e180a | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
1210 | a8083063 | Iustin Pop | |
1211 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1212 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
1213 | a8083063 | Iustin Pop |
|
1214 | a8083063 | Iustin Pop | """
|
1215 | 246e180a | Iustin Pop | nodenames = self.wanted
|
1216 | a8083063 | Iustin Pop | nodelist = [self.cfg.GetNodeInfo(name) for name in nodenames] |
1217 | a8083063 | Iustin Pop | |
1218 | a8083063 | Iustin Pop | # begin data gathering
|
1219 | a8083063 | Iustin Pop | |
1220 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
1221 | a8083063 | Iustin Pop | live_data = {} |
1222 | a8083063 | Iustin Pop | node_data = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
1223 | a8083063 | Iustin Pop | for name in nodenames: |
1224 | a8083063 | Iustin Pop | nodeinfo = node_data.get(name, None)
|
1225 | a8083063 | Iustin Pop | if nodeinfo:
|
1226 | a8083063 | Iustin Pop | live_data[name] = { |
1227 | a8083063 | Iustin Pop | "mtotal": utils.TryConvert(int, nodeinfo['memory_total']), |
1228 | a8083063 | Iustin Pop | "mnode": utils.TryConvert(int, nodeinfo['memory_dom0']), |
1229 | a8083063 | Iustin Pop | "mfree": utils.TryConvert(int, nodeinfo['memory_free']), |
1230 | a8083063 | Iustin Pop | "dtotal": utils.TryConvert(int, nodeinfo['vg_size']), |
1231 | a8083063 | Iustin Pop | "dfree": utils.TryConvert(int, nodeinfo['vg_free']), |
1232 | a8083063 | Iustin Pop | } |
1233 | a8083063 | Iustin Pop | else:
|
1234 | a8083063 | Iustin Pop | live_data[name] = {} |
1235 | a8083063 | Iustin Pop | else:
|
1236 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
1237 | a8083063 | Iustin Pop | |
1238 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
1239 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1240 | a8083063 | Iustin Pop | |
1241 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
1242 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
1243 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
1244 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
1245 | a8083063 | Iustin Pop | |
1246 | ec223efb | Iustin Pop | for instance_name in instancelist: |
1247 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
1248 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
1249 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
1250 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
1251 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
1252 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
1253 | a8083063 | Iustin Pop | |
1254 | a8083063 | Iustin Pop | # end data gathering
|
1255 | a8083063 | Iustin Pop | |
1256 | a8083063 | Iustin Pop | output = [] |
1257 | a8083063 | Iustin Pop | for node in nodelist: |
1258 | a8083063 | Iustin Pop | node_output = [] |
1259 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
1260 | a8083063 | Iustin Pop | if field == "name": |
1261 | a8083063 | Iustin Pop | val = node.name |
1262 | ec223efb | Iustin Pop | elif field == "pinst_list": |
1263 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
1264 | ec223efb | Iustin Pop | elif field == "sinst_list": |
1265 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
1266 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
1267 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
1268 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
1269 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
1270 | a8083063 | Iustin Pop | elif field == "pip": |
1271 | a8083063 | Iustin Pop | val = node.primary_ip |
1272 | a8083063 | Iustin Pop | elif field == "sip": |
1273 | a8083063 | Iustin Pop | val = node.secondary_ip |
1274 | a8083063 | Iustin Pop | elif field in self.dynamic_fields: |
1275 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
1276 | a8083063 | Iustin Pop | else:
|
1277 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1278 | a8083063 | Iustin Pop | node_output.append(val) |
1279 | a8083063 | Iustin Pop | output.append(node_output) |
1280 | a8083063 | Iustin Pop | |
1281 | a8083063 | Iustin Pop | return output
|
1282 | a8083063 | Iustin Pop | |
1283 | a8083063 | Iustin Pop | |
1284 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
1285 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
1286 | dcb93971 | Michael Hanselmann |
|
1287 | dcb93971 | Michael Hanselmann | """
|
1288 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
1289 | dcb93971 | Michael Hanselmann | |
1290 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
1291 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
1292 | dcb93971 | Michael Hanselmann |
|
1293 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
1294 | dcb93971 | Michael Hanselmann |
|
1295 | dcb93971 | Michael Hanselmann | """
|
1296 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1297 | dcb93971 | Michael Hanselmann | |
1298 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["node"],
|
1299 | dcb93971 | Michael Hanselmann | dynamic=["phys", "vg", "name", "size", "instance"], |
1300 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1301 | dcb93971 | Michael Hanselmann | |
1302 | dcb93971 | Michael Hanselmann | |
1303 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
1304 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
1305 | dcb93971 | Michael Hanselmann |
|
1306 | dcb93971 | Michael Hanselmann | """
|
1307 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
1308 | dcb93971 | Michael Hanselmann | volumes = rpc.call_node_volumes(nodenames) |
1309 | dcb93971 | Michael Hanselmann | |
1310 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
1311 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
1312 | dcb93971 | Michael Hanselmann | |
1313 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
1314 | dcb93971 | Michael Hanselmann | |
1315 | dcb93971 | Michael Hanselmann | output = [] |
1316 | dcb93971 | Michael Hanselmann | for node in nodenames: |
1317 | 37d19eb2 | Michael Hanselmann | if node not in volumes or not volumes[node]: |
1318 | 37d19eb2 | Michael Hanselmann | continue
|
1319 | 37d19eb2 | Michael Hanselmann | |
1320 | dcb93971 | Michael Hanselmann | node_vols = volumes[node][:] |
1321 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
1322 | dcb93971 | Michael Hanselmann | |
1323 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
1324 | dcb93971 | Michael Hanselmann | node_output = [] |
1325 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
1326 | dcb93971 | Michael Hanselmann | if field == "node": |
1327 | dcb93971 | Michael Hanselmann | val = node |
1328 | dcb93971 | Michael Hanselmann | elif field == "phys": |
1329 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
1330 | dcb93971 | Michael Hanselmann | elif field == "vg": |
1331 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
1332 | dcb93971 | Michael Hanselmann | elif field == "name": |
1333 | dcb93971 | Michael Hanselmann | val = vol['name']
|
1334 | dcb93971 | Michael Hanselmann | elif field == "size": |
1335 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
1336 | dcb93971 | Michael Hanselmann | elif field == "instance": |
1337 | dcb93971 | Michael Hanselmann | for inst in ilist: |
1338 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
1339 | dcb93971 | Michael Hanselmann | continue
|
1340 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
1341 | dcb93971 | Michael Hanselmann | val = inst.name |
1342 | dcb93971 | Michael Hanselmann | break
|
1343 | dcb93971 | Michael Hanselmann | else:
|
1344 | dcb93971 | Michael Hanselmann | val = '-'
|
1345 | dcb93971 | Michael Hanselmann | else:
|
1346 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1347 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
1348 | dcb93971 | Michael Hanselmann | |
1349 | dcb93971 | Michael Hanselmann | output.append(node_output) |
1350 | dcb93971 | Michael Hanselmann | |
1351 | dcb93971 | Michael Hanselmann | return output
|
1352 | dcb93971 | Michael Hanselmann | |
1353 | dcb93971 | Michael Hanselmann | |
1354 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
1355 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
1356 | a8083063 | Iustin Pop |
|
1357 | a8083063 | Iustin Pop | """
|
1358 | a8083063 | Iustin Pop | HPATH = "node-add"
|
1359 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1360 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1361 | a8083063 | Iustin Pop | |
1362 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1363 | a8083063 | Iustin Pop | """Build hooks env.
|
1364 | a8083063 | Iustin Pop |
|
1365 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
1366 | a8083063 | Iustin Pop |
|
1367 | a8083063 | Iustin Pop | """
|
1368 | a8083063 | Iustin Pop | env = { |
1369 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
1370 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
1371 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
1372 | a8083063 | Iustin Pop | } |
1373 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
1374 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
1375 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
1376 | a8083063 | Iustin Pop | |
1377 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1378 | a8083063 | Iustin Pop | """Check prerequisites.
|
1379 | a8083063 | Iustin Pop |
|
1380 | a8083063 | Iustin Pop | This checks:
|
1381 | a8083063 | Iustin Pop | - the new node is not already in the config
|
1382 | a8083063 | Iustin Pop | - it is resolvable
|
1383 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
1384 | a8083063 | Iustin Pop |
|
1385 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1386 | a8083063 | Iustin Pop |
|
1387 | a8083063 | Iustin Pop | """
|
1388 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
1389 | a8083063 | Iustin Pop | cfg = self.cfg
|
1390 | a8083063 | Iustin Pop | |
1391 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
1392 | a8083063 | Iustin Pop | |
1393 | bcf043c9 | Iustin Pop | node = dns_data.name |
1394 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
1395 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
1396 | a8083063 | Iustin Pop | if secondary_ip is None: |
1397 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
1398 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
1399 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
1400 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
1401 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
1402 | a8083063 | Iustin Pop | if node in node_list: |
1403 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node %s is already in the configuration" |
1404 | 3ecf6786 | Iustin Pop | % node) |
1405 | a8083063 | Iustin Pop | |
1406 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
1407 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
1408 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
1409 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
1410 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
1411 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
1412 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
1413 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
1414 | a8083063 | Iustin Pop | |
1415 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
1416 | a8083063 | Iustin Pop | # same as for the master
|
1417 | 880478f8 | Iustin Pop | myself = cfg.GetNodeInfo(self.sstore.GetMasterNode())
|
1418 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
1419 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
1420 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
1421 | a8083063 | Iustin Pop | if master_singlehomed:
|
1422 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
1423 | 3ecf6786 | Iustin Pop | " new node has one")
|
1424 | a8083063 | Iustin Pop | else:
|
1425 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
1426 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
1427 | a8083063 | Iustin Pop | |
1428 | a8083063 | Iustin Pop | # checks reachablity
|
1429 | a8083063 | Iustin Pop | command = ["fping", "-q", primary_ip] |
1430 | a8083063 | Iustin Pop | result = utils.RunCmd(command) |
1431 | a8083063 | Iustin Pop | if result.failed:
|
1432 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
1433 | a8083063 | Iustin Pop | |
1434 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
1435 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
1436 | a8083063 | Iustin Pop | command = ["fping", "-S%s" % myself.secondary_ip, "-q", secondary_ip] |
1437 | a8083063 | Iustin Pop | result = utils.RunCmd(command) |
1438 | a8083063 | Iustin Pop | if result.failed:
|
1439 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node secondary ip not reachable by ping") |
1440 | a8083063 | Iustin Pop | |
1441 | a8083063 | Iustin Pop | self.new_node = objects.Node(name=node,
|
1442 | a8083063 | Iustin Pop | primary_ip=primary_ip, |
1443 | a8083063 | Iustin Pop | secondary_ip=secondary_ip) |
1444 | a8083063 | Iustin Pop | |
1445 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1446 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
1447 | a8083063 | Iustin Pop |
|
1448 | a8083063 | Iustin Pop | """
|
1449 | a8083063 | Iustin Pop | new_node = self.new_node
|
1450 | a8083063 | Iustin Pop | node = new_node.name |
1451 | a8083063 | Iustin Pop | |
1452 | a8083063 | Iustin Pop | # set up inter-node password and certificate and restarts the node daemon
|
1453 | a8083063 | Iustin Pop | gntpass = self.sstore.GetNodeDaemonPassword()
|
1454 | a8083063 | Iustin Pop | if not re.match('^[a-zA-Z0-9.]{1,64}$', gntpass): |
1455 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("ganeti password corruption detected") |
1456 | a8083063 | Iustin Pop | f = open(constants.SSL_CERT_FILE)
|
1457 | a8083063 | Iustin Pop | try:
|
1458 | a8083063 | Iustin Pop | gntpem = f.read(8192)
|
1459 | a8083063 | Iustin Pop | finally:
|
1460 | a8083063 | Iustin Pop | f.close() |
1461 | a8083063 | Iustin Pop | # in the base64 pem encoding, neither '!' nor '.' are valid chars,
|
1462 | a8083063 | Iustin Pop | # so we use this to detect an invalid certificate; as long as the
|
1463 | a8083063 | Iustin Pop | # cert doesn't contain this, the here-document will be correctly
|
1464 | a8083063 | Iustin Pop | # parsed by the shell sequence below
|
1465 | a8083063 | Iustin Pop | if re.search('^!EOF\.', gntpem, re.MULTILINE): |
1466 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("invalid PEM encoding in the SSL certificate") |
1467 | a8083063 | Iustin Pop | if not gntpem.endswith("\n"): |
1468 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("PEM must end with newline") |
1469 | a8083063 | Iustin Pop | logger.Info("copy cluster pass to %s and starting the node daemon" % node)
|
1470 | a8083063 | Iustin Pop | |
1471 | a8083063 | Iustin Pop | # and then connect with ssh to set password and start ganeti-noded
|
1472 | a8083063 | Iustin Pop | # note that all the below variables are sanitized at this point,
|
1473 | a8083063 | Iustin Pop | # either by being constants or by the checks above
|
1474 | a8083063 | Iustin Pop | ss = self.sstore
|
1475 | a8083063 | Iustin Pop | mycommand = ("umask 077 && "
|
1476 | a8083063 | Iustin Pop | "echo '%s' > '%s' && "
|
1477 | a8083063 | Iustin Pop | "cat > '%s' << '!EOF.' && \n"
|
1478 | a8083063 | Iustin Pop | "%s!EOF.\n%s restart" %
|
1479 | a8083063 | Iustin Pop | (gntpass, ss.KeyToFilename(ss.SS_NODED_PASS), |
1480 | a8083063 | Iustin Pop | constants.SSL_CERT_FILE, gntpem, |
1481 | a8083063 | Iustin Pop | constants.NODE_INITD_SCRIPT)) |
1482 | a8083063 | Iustin Pop | |
1483 | a8083063 | Iustin Pop | result = ssh.SSHCall(node, 'root', mycommand, batch=False, ask_key=True) |
1484 | a8083063 | Iustin Pop | if result.failed:
|
1485 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Remote command on node %s, error: %s," |
1486 | 3ecf6786 | Iustin Pop | " output: %s" %
|
1487 | 3ecf6786 | Iustin Pop | (node, result.fail_reason, result.output)) |
1488 | a8083063 | Iustin Pop | |
1489 | a8083063 | Iustin Pop | # check connectivity
|
1490 | a8083063 | Iustin Pop | time.sleep(4)
|
1491 | a8083063 | Iustin Pop | |
1492 | a8083063 | Iustin Pop | result = rpc.call_version([node])[node] |
1493 | a8083063 | Iustin Pop | if result:
|
1494 | a8083063 | Iustin Pop | if constants.PROTOCOL_VERSION == result:
|
1495 | a8083063 | Iustin Pop | logger.Info("communication to node %s fine, sw version %s match" %
|
1496 | a8083063 | Iustin Pop | (node, result)) |
1497 | a8083063 | Iustin Pop | else:
|
1498 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
1499 | 3ecf6786 | Iustin Pop | " node version %s" %
|
1500 | 3ecf6786 | Iustin Pop | (constants.PROTOCOL_VERSION, result)) |
1501 | a8083063 | Iustin Pop | else:
|
1502 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot get version from the new node") |
1503 | a8083063 | Iustin Pop | |
1504 | a8083063 | Iustin Pop | # setup ssh on node
|
1505 | a8083063 | Iustin Pop | logger.Info("copy ssh key to node %s" % node)
|
1506 | a8083063 | Iustin Pop | keyarray = [] |
1507 | a8083063 | Iustin Pop | keyfiles = ["/etc/ssh/ssh_host_dsa_key", "/etc/ssh/ssh_host_dsa_key.pub", |
1508 | a8083063 | Iustin Pop | "/etc/ssh/ssh_host_rsa_key", "/etc/ssh/ssh_host_rsa_key.pub", |
1509 | a8083063 | Iustin Pop | "/root/.ssh/id_dsa", "/root/.ssh/id_dsa.pub"] |
1510 | a8083063 | Iustin Pop | |
1511 | a8083063 | Iustin Pop | for i in keyfiles: |
1512 | a8083063 | Iustin Pop | f = open(i, 'r') |
1513 | a8083063 | Iustin Pop | try:
|
1514 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
1515 | a8083063 | Iustin Pop | finally:
|
1516 | a8083063 | Iustin Pop | f.close() |
1517 | a8083063 | Iustin Pop | |
1518 | a8083063 | Iustin Pop | result = rpc.call_node_add(node, keyarray[0], keyarray[1], keyarray[2], |
1519 | a8083063 | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
1520 | a8083063 | Iustin Pop | |
1521 | a8083063 | Iustin Pop | if not result: |
1522 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot transfer ssh keys to the new node") |
1523 | a8083063 | Iustin Pop | |
1524 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
1525 | a8083063 | Iustin Pop | _UpdateEtcHosts(new_node.name, new_node.primary_ip) |
1526 | a8083063 | Iustin Pop | _UpdateKnownHosts(new_node.name, new_node.primary_ip, |
1527 | a8083063 | Iustin Pop | self.cfg.GetHostKey())
|
1528 | a8083063 | Iustin Pop | |
1529 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
1530 | a8083063 | Iustin Pop | result = ssh.SSHCall(node, "root",
|
1531 | a8083063 | Iustin Pop | "fping -S 127.0.0.1 -q %s" % new_node.secondary_ip)
|
1532 | a8083063 | Iustin Pop | if result.failed:
|
1533 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Node claims it doesn't have the" |
1534 | 3ecf6786 | Iustin Pop | " secondary ip you gave (%s).\n"
|
1535 | 3ecf6786 | Iustin Pop | "Please fix and re-run this command." %
|
1536 | 3ecf6786 | Iustin Pop | new_node.secondary_ip) |
1537 | a8083063 | Iustin Pop | |
1538 | ff98055b | Iustin Pop | success, msg = ssh.VerifyNodeHostname(node) |
1539 | ff98055b | Iustin Pop | if not success: |
1540 | ff98055b | Iustin Pop | raise errors.OpExecError("Node '%s' claims it has a different hostname" |
1541 | ff98055b | Iustin Pop | " than the one the resolver gives: %s.\n"
|
1542 | ff98055b | Iustin Pop | "Please fix and re-run this command." %
|
1543 | ff98055b | Iustin Pop | (node, msg)) |
1544 | ff98055b | Iustin Pop | |
1545 | a8083063 | Iustin Pop | # Distribute updated /etc/hosts and known_hosts to all nodes,
|
1546 | a8083063 | Iustin Pop | # including the node just added
|
1547 | 880478f8 | Iustin Pop | myself = self.cfg.GetNodeInfo(self.sstore.GetMasterNode()) |
1548 | a8083063 | Iustin Pop | dist_nodes = self.cfg.GetNodeList() + [node]
|
1549 | a8083063 | Iustin Pop | if myself.name in dist_nodes: |
1550 | a8083063 | Iustin Pop | dist_nodes.remove(myself.name) |
1551 | a8083063 | Iustin Pop | |
1552 | a8083063 | Iustin Pop | logger.Debug("Copying hosts and known_hosts to all nodes")
|
1553 | 82122173 | Iustin Pop | for fname in ("/etc/hosts", constants.SSH_KNOWN_HOSTS_FILE): |
1554 | a8083063 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1555 | a8083063 | Iustin Pop | for to_node in dist_nodes: |
1556 | a8083063 | Iustin Pop | if not result[to_node]: |
1557 | a8083063 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1558 | a8083063 | Iustin Pop | (fname, to_node)) |
1559 | a8083063 | Iustin Pop | |
1560 | cb91d46e | Iustin Pop | to_copy = ss.GetFileList() |
1561 | a8083063 | Iustin Pop | for fname in to_copy: |
1562 | a8083063 | Iustin Pop | if not ssh.CopyFileToNode(node, fname): |
1563 | a8083063 | Iustin Pop | logger.Error("could not copy file %s to node %s" % (fname, node))
|
1564 | a8083063 | Iustin Pop | |
1565 | a8083063 | Iustin Pop | logger.Info("adding node %s to cluster.conf" % node)
|
1566 | a8083063 | Iustin Pop | self.cfg.AddNode(new_node)
|
1567 | a8083063 | Iustin Pop | |
1568 | a8083063 | Iustin Pop | |
1569 | a8083063 | Iustin Pop | class LUMasterFailover(LogicalUnit): |
1570 | a8083063 | Iustin Pop | """Failover the master node to the current node.
|
1571 | a8083063 | Iustin Pop |
|
1572 | a8083063 | Iustin Pop | This is a special LU in that it must run on a non-master node.
|
1573 | a8083063 | Iustin Pop |
|
1574 | a8083063 | Iustin Pop | """
|
1575 | a8083063 | Iustin Pop | HPATH = "master-failover"
|
1576 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
1577 | a8083063 | Iustin Pop | REQ_MASTER = False
|
1578 | a8083063 | Iustin Pop | _OP_REQP = [] |
1579 | a8083063 | Iustin Pop | |
1580 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1581 | a8083063 | Iustin Pop | """Build hooks env.
|
1582 | a8083063 | Iustin Pop |
|
1583 | a8083063 | Iustin Pop | This will run on the new master only in the pre phase, and on all
|
1584 | a8083063 | Iustin Pop | the nodes in the post phase.
|
1585 | a8083063 | Iustin Pop |
|
1586 | a8083063 | Iustin Pop | """
|
1587 | a8083063 | Iustin Pop | env = { |
1588 | a8083063 | Iustin Pop | "NEW_MASTER": self.new_master, |
1589 | a8083063 | Iustin Pop | "OLD_MASTER": self.old_master, |
1590 | a8083063 | Iustin Pop | } |
1591 | a8083063 | Iustin Pop | return env, [self.new_master], self.cfg.GetNodeList() |
1592 | a8083063 | Iustin Pop | |
1593 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1594 | a8083063 | Iustin Pop | """Check prerequisites.
|
1595 | a8083063 | Iustin Pop |
|
1596 | a8083063 | Iustin Pop | This checks that we are not already the master.
|
1597 | a8083063 | Iustin Pop |
|
1598 | a8083063 | Iustin Pop | """
|
1599 | 89e1fc26 | Iustin Pop | self.new_master = utils.HostInfo().name
|
1600 | 880478f8 | Iustin Pop | self.old_master = self.sstore.GetMasterNode() |
1601 | a8083063 | Iustin Pop | |
1602 | a8083063 | Iustin Pop | if self.old_master == self.new_master: |
1603 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("This commands must be run on the node" |
1604 | 3ecf6786 | Iustin Pop | " where you want the new master to be.\n"
|
1605 | 3ecf6786 | Iustin Pop | "%s is already the master" %
|
1606 | 3ecf6786 | Iustin Pop | self.old_master)
|
1607 | a8083063 | Iustin Pop | |
1608 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1609 | a8083063 | Iustin Pop | """Failover the master node.
|
1610 | a8083063 | Iustin Pop |
|
1611 | a8083063 | Iustin Pop | This command, when run on a non-master node, will cause the current
|
1612 | a8083063 | Iustin Pop | master to cease being master, and the non-master to become new
|
1613 | a8083063 | Iustin Pop | master.
|
1614 | a8083063 | Iustin Pop |
|
1615 | a8083063 | Iustin Pop | """
|
1616 | a8083063 | Iustin Pop | #TODO: do not rely on gethostname returning the FQDN
|
1617 | a8083063 | Iustin Pop | logger.Info("setting master to %s, old master: %s" %
|
1618 | a8083063 | Iustin Pop | (self.new_master, self.old_master)) |
1619 | a8083063 | Iustin Pop | |
1620 | a8083063 | Iustin Pop | if not rpc.call_node_stop_master(self.old_master): |
1621 | a8083063 | Iustin Pop | logger.Error("could disable the master role on the old master"
|
1622 | a8083063 | Iustin Pop | " %s, please disable manually" % self.old_master) |
1623 | a8083063 | Iustin Pop | |
1624 | 880478f8 | Iustin Pop | ss = self.sstore
|
1625 | 880478f8 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NODE, self.new_master)
|
1626 | 880478f8 | Iustin Pop | if not rpc.call_upload_file(self.cfg.GetNodeList(), |
1627 | 880478f8 | Iustin Pop | ss.KeyToFilename(ss.SS_MASTER_NODE)): |
1628 | 880478f8 | Iustin Pop | logger.Error("could not distribute the new simple store master file"
|
1629 | 880478f8 | Iustin Pop | " to the other nodes, please check.")
|
1630 | 880478f8 | Iustin Pop | |
1631 | a8083063 | Iustin Pop | if not rpc.call_node_start_master(self.new_master): |
1632 | a8083063 | Iustin Pop | logger.Error("could not start the master role on the new master"
|
1633 | a8083063 | Iustin Pop | " %s, please check" % self.new_master) |
1634 | 880478f8 | Iustin Pop | feedback_fn("Error in activating the master IP on the new master,\n"
|
1635 | 880478f8 | Iustin Pop | "please fix manually.")
|
1636 | a8083063 | Iustin Pop | |
1637 | a8083063 | Iustin Pop | |
1638 | a8083063 | Iustin Pop | |
1639 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
1640 | a8083063 | Iustin Pop | """Query cluster configuration.
|
1641 | a8083063 | Iustin Pop |
|
1642 | a8083063 | Iustin Pop | """
|
1643 | a8083063 | Iustin Pop | _OP_REQP = [] |
1644 | 59322403 | Iustin Pop | REQ_MASTER = False
|
1645 | a8083063 | Iustin Pop | |
1646 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1647 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
1648 | a8083063 | Iustin Pop |
|
1649 | a8083063 | Iustin Pop | """
|
1650 | a8083063 | Iustin Pop | pass
|
1651 | a8083063 | Iustin Pop | |
1652 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1653 | a8083063 | Iustin Pop | """Return cluster config.
|
1654 | a8083063 | Iustin Pop |
|
1655 | a8083063 | Iustin Pop | """
|
1656 | a8083063 | Iustin Pop | result = { |
1657 | 5fcdc80d | Iustin Pop | "name": self.sstore.GetClusterName(), |
1658 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
1659 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
1660 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
1661 | a8083063 | Iustin Pop | "os_api_version": constants.OS_API_VERSION,
|
1662 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
1663 | 880478f8 | Iustin Pop | "master": self.sstore.GetMasterNode(), |
1664 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
1665 | a8083063 | Iustin Pop | } |
1666 | a8083063 | Iustin Pop | |
1667 | a8083063 | Iustin Pop | return result
|
1668 | a8083063 | Iustin Pop | |
1669 | a8083063 | Iustin Pop | |
1670 | a8083063 | Iustin Pop | class LUClusterCopyFile(NoHooksLU): |
1671 | a8083063 | Iustin Pop | """Copy file to cluster.
|
1672 | a8083063 | Iustin Pop |
|
1673 | a8083063 | Iustin Pop | """
|
1674 | a8083063 | Iustin Pop | _OP_REQP = ["nodes", "filename"] |
1675 | a8083063 | Iustin Pop | |
1676 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1677 | a8083063 | Iustin Pop | """Check prerequisites.
|
1678 | a8083063 | Iustin Pop |
|
1679 | a8083063 | Iustin Pop | It should check that the named file exists and that the given list
|
1680 | a8083063 | Iustin Pop | of nodes is valid.
|
1681 | a8083063 | Iustin Pop |
|
1682 | a8083063 | Iustin Pop | """
|
1683 | a8083063 | Iustin Pop | if not os.path.exists(self.op.filename): |
1684 | a8083063 | Iustin Pop | raise errors.OpPrereqError("No such filename '%s'" % self.op.filename) |
1685 | dcb93971 | Michael Hanselmann | |
1686 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1687 | a8083063 | Iustin Pop | |
1688 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1689 | a8083063 | Iustin Pop | """Copy a file from master to some nodes.
|
1690 | a8083063 | Iustin Pop |
|
1691 | a8083063 | Iustin Pop | Args:
|
1692 | a8083063 | Iustin Pop | opts - class with options as members
|
1693 | a8083063 | Iustin Pop | args - list containing a single element, the file name
|
1694 | a8083063 | Iustin Pop | Opts used:
|
1695 | a8083063 | Iustin Pop | nodes - list containing the name of target nodes; if empty, all nodes
|
1696 | a8083063 | Iustin Pop |
|
1697 | a8083063 | Iustin Pop | """
|
1698 | a8083063 | Iustin Pop | filename = self.op.filename
|
1699 | a8083063 | Iustin Pop | |
1700 | 89e1fc26 | Iustin Pop | myname = utils.HostInfo().name |
1701 | a8083063 | Iustin Pop | |
1702 | a7ba5e53 | Iustin Pop | for node in self.nodes: |
1703 | a8083063 | Iustin Pop | if node == myname:
|
1704 | a8083063 | Iustin Pop | continue
|
1705 | a8083063 | Iustin Pop | if not ssh.CopyFileToNode(node, filename): |
1706 | a8083063 | Iustin Pop | logger.Error("Copy of file %s to node %s failed" % (filename, node))
|
1707 | a8083063 | Iustin Pop | |
1708 | a8083063 | Iustin Pop | |
1709 | a8083063 | Iustin Pop | class LUDumpClusterConfig(NoHooksLU): |
1710 | a8083063 | Iustin Pop | """Return a text-representation of the cluster-config.
|
1711 | a8083063 | Iustin Pop |
|
1712 | a8083063 | Iustin Pop | """
|
1713 | a8083063 | Iustin Pop | _OP_REQP = [] |
1714 | a8083063 | Iustin Pop | |
1715 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1716 | a8083063 | Iustin Pop | """No prerequisites.
|
1717 | a8083063 | Iustin Pop |
|
1718 | a8083063 | Iustin Pop | """
|
1719 | a8083063 | Iustin Pop | pass
|
1720 | a8083063 | Iustin Pop | |
1721 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1722 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
1723 | a8083063 | Iustin Pop |
|
1724 | a8083063 | Iustin Pop | """
|
1725 | a8083063 | Iustin Pop | return self.cfg.DumpConfig() |
1726 | a8083063 | Iustin Pop | |
1727 | a8083063 | Iustin Pop | |
1728 | a8083063 | Iustin Pop | class LURunClusterCommand(NoHooksLU): |
1729 | a8083063 | Iustin Pop | """Run a command on some nodes.
|
1730 | a8083063 | Iustin Pop |
|
1731 | a8083063 | Iustin Pop | """
|
1732 | a8083063 | Iustin Pop | _OP_REQP = ["command", "nodes"] |
1733 | a8083063 | Iustin Pop | |
1734 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1735 | a8083063 | Iustin Pop | """Check prerequisites.
|
1736 | a8083063 | Iustin Pop |
|
1737 | a8083063 | Iustin Pop | It checks that the given list of nodes is valid.
|
1738 | a8083063 | Iustin Pop |
|
1739 | a8083063 | Iustin Pop | """
|
1740 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1741 | a8083063 | Iustin Pop | |
1742 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1743 | a8083063 | Iustin Pop | """Run a command on some nodes.
|
1744 | a8083063 | Iustin Pop |
|
1745 | a8083063 | Iustin Pop | """
|
1746 | a8083063 | Iustin Pop | data = [] |
1747 | a8083063 | Iustin Pop | for node in self.nodes: |
1748 | a7ba5e53 | Iustin Pop | result = ssh.SSHCall(node, "root", self.op.command) |
1749 | a7ba5e53 | Iustin Pop | data.append((node, result.output, result.exit_code)) |
1750 | a8083063 | Iustin Pop | |
1751 | a8083063 | Iustin Pop | return data
|
1752 | a8083063 | Iustin Pop | |
1753 | a8083063 | Iustin Pop | |
1754 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
1755 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
1756 | a8083063 | Iustin Pop |
|
1757 | a8083063 | Iustin Pop | """
|
1758 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1759 | a8083063 | Iustin Pop | |
1760 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1761 | a8083063 | Iustin Pop | """Check prerequisites.
|
1762 | a8083063 | Iustin Pop |
|
1763 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1764 | a8083063 | Iustin Pop |
|
1765 | a8083063 | Iustin Pop | """
|
1766 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1767 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1768 | a8083063 | Iustin Pop | if instance is None: |
1769 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1770 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1771 | a8083063 | Iustin Pop | self.instance = instance
|
1772 | a8083063 | Iustin Pop | |
1773 | a8083063 | Iustin Pop | |
1774 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1775 | a8083063 | Iustin Pop | """Activate the disks.
|
1776 | a8083063 | Iustin Pop |
|
1777 | a8083063 | Iustin Pop | """
|
1778 | a8083063 | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self.instance, self.cfg) |
1779 | a8083063 | Iustin Pop | if not disks_ok: |
1780 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
1781 | a8083063 | Iustin Pop | |
1782 | a8083063 | Iustin Pop | return disks_info
|
1783 | a8083063 | Iustin Pop | |
1784 | a8083063 | Iustin Pop | |
1785 | a8083063 | Iustin Pop | def _AssembleInstanceDisks(instance, cfg, ignore_secondaries=False): |
1786 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
1787 | a8083063 | Iustin Pop |
|
1788 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
1789 | a8083063 | Iustin Pop |
|
1790 | a8083063 | Iustin Pop | Args:
|
1791 | a8083063 | Iustin Pop | instance: a ganeti.objects.Instance object
|
1792 | a8083063 | Iustin Pop | ignore_secondaries: if true, errors on secondary nodes won't result
|
1793 | a8083063 | Iustin Pop | in an error return from the function
|
1794 | a8083063 | Iustin Pop |
|
1795 | a8083063 | Iustin Pop | Returns:
|
1796 | a8083063 | Iustin Pop | false if the operation failed
|
1797 | a8083063 | Iustin Pop | list of (host, instance_visible_name, node_visible_name) if the operation
|
1798 | a8083063 | Iustin Pop | suceeded with the mapping from node devices to instance devices
|
1799 | a8083063 | Iustin Pop | """
|
1800 | a8083063 | Iustin Pop | device_info = [] |
1801 | a8083063 | Iustin Pop | disks_ok = True
|
1802 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
1803 | a8083063 | Iustin Pop | master_result = None
|
1804 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1805 | a8083063 | Iustin Pop | cfg.SetDiskID(node_disk, node) |
1806 | a8083063 | Iustin Pop | is_primary = node == instance.primary_node |
1807 | a8083063 | Iustin Pop | result = rpc.call_blockdev_assemble(node, node_disk, is_primary) |
1808 | a8083063 | Iustin Pop | if not result: |
1809 | a8083063 | Iustin Pop | logger.Error("could not prepare block device %s on node %s (is_pri"
|
1810 | a8083063 | Iustin Pop | "mary=%s)" % (inst_disk.iv_name, node, is_primary))
|
1811 | a8083063 | Iustin Pop | if is_primary or not ignore_secondaries: |
1812 | a8083063 | Iustin Pop | disks_ok = False
|
1813 | a8083063 | Iustin Pop | if is_primary:
|
1814 | a8083063 | Iustin Pop | master_result = result |
1815 | a8083063 | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, |
1816 | a8083063 | Iustin Pop | master_result)) |
1817 | a8083063 | Iustin Pop | |
1818 | a8083063 | Iustin Pop | return disks_ok, device_info
|
1819 | a8083063 | Iustin Pop | |
1820 | a8083063 | Iustin Pop | |
1821 | fe7b0351 | Michael Hanselmann | def _StartInstanceDisks(cfg, instance, force): |
1822 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
1823 | 3ecf6786 | Iustin Pop |
|
1824 | 3ecf6786 | Iustin Pop | """
|
1825 | fe7b0351 | Michael Hanselmann | disks_ok, dummy = _AssembleInstanceDisks(instance, cfg, |
1826 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
1827 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
1828 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(instance, cfg) |
1829 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
1830 | fe7b0351 | Michael Hanselmann | logger.Error("If the message above refers to a secondary node,"
|
1831 | fe7b0351 | Michael Hanselmann | " you can retry the operation using '--force'.")
|
1832 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
1833 | fe7b0351 | Michael Hanselmann | |
1834 | fe7b0351 | Michael Hanselmann | |
1835 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
1836 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
1837 | a8083063 | Iustin Pop |
|
1838 | a8083063 | Iustin Pop | """
|
1839 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1840 | a8083063 | Iustin Pop | |
1841 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1842 | a8083063 | Iustin Pop | """Check prerequisites.
|
1843 | a8083063 | Iustin Pop |
|
1844 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1845 | a8083063 | Iustin Pop |
|
1846 | a8083063 | Iustin Pop | """
|
1847 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1848 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1849 | a8083063 | Iustin Pop | if instance is None: |
1850 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1851 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1852 | a8083063 | Iustin Pop | self.instance = instance
|
1853 | a8083063 | Iustin Pop | |
1854 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1855 | a8083063 | Iustin Pop | """Deactivate the disks
|
1856 | a8083063 | Iustin Pop |
|
1857 | a8083063 | Iustin Pop | """
|
1858 | a8083063 | Iustin Pop | instance = self.instance
|
1859 | a8083063 | Iustin Pop | ins_l = rpc.call_instance_list([instance.primary_node]) |
1860 | a8083063 | Iustin Pop | ins_l = ins_l[instance.primary_node] |
1861 | a8083063 | Iustin Pop | if not type(ins_l) is list: |
1862 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't contact node '%s'" % |
1863 | 3ecf6786 | Iustin Pop | instance.primary_node) |
1864 | a8083063 | Iustin Pop | |
1865 | a8083063 | Iustin Pop | if self.instance.name in ins_l: |
1866 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance is running, can't shutdown" |
1867 | 3ecf6786 | Iustin Pop | " block devices.")
|
1868 | a8083063 | Iustin Pop | |
1869 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
1870 | a8083063 | Iustin Pop | |
1871 | a8083063 | Iustin Pop | |
1872 | a8083063 | Iustin Pop | def _ShutdownInstanceDisks(instance, cfg, ignore_primary=False): |
1873 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
1874 | a8083063 | Iustin Pop |
|
1875 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
1876 | a8083063 | Iustin Pop |
|
1877 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
1878 | a8083063 | Iustin Pop | ignored.
|
1879 | a8083063 | Iustin Pop |
|
1880 | a8083063 | Iustin Pop | """
|
1881 | a8083063 | Iustin Pop | result = True
|
1882 | a8083063 | Iustin Pop | for disk in instance.disks: |
1883 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
1884 | a8083063 | Iustin Pop | cfg.SetDiskID(top_disk, node) |
1885 | a8083063 | Iustin Pop | if not rpc.call_blockdev_shutdown(node, top_disk): |
1886 | a8083063 | Iustin Pop | logger.Error("could not shutdown block device %s on node %s" %
|
1887 | a8083063 | Iustin Pop | (disk.iv_name, node)) |
1888 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
1889 | a8083063 | Iustin Pop | result = False
|
1890 | a8083063 | Iustin Pop | return result
|
1891 | a8083063 | Iustin Pop | |
1892 | a8083063 | Iustin Pop | |
1893 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
1894 | a8083063 | Iustin Pop | """Starts an instance.
|
1895 | a8083063 | Iustin Pop |
|
1896 | a8083063 | Iustin Pop | """
|
1897 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
1898 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
1899 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
1900 | a8083063 | Iustin Pop | |
1901 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1902 | a8083063 | Iustin Pop | """Build hooks env.
|
1903 | a8083063 | Iustin Pop |
|
1904 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
1905 | a8083063 | Iustin Pop |
|
1906 | a8083063 | Iustin Pop | """
|
1907 | a8083063 | Iustin Pop | env = { |
1908 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
1909 | a8083063 | Iustin Pop | } |
1910 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
1911 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
1912 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
1913 | a8083063 | Iustin Pop | return env, nl, nl
|
1914 | a8083063 | Iustin Pop | |
1915 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1916 | a8083063 | Iustin Pop | """Check prerequisites.
|
1917 | a8083063 | Iustin Pop |
|
1918 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1919 | a8083063 | Iustin Pop |
|
1920 | a8083063 | Iustin Pop | """
|
1921 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1922 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1923 | a8083063 | Iustin Pop | if instance is None: |
1924 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1925 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1926 | a8083063 | Iustin Pop | |
1927 | a8083063 | Iustin Pop | # check bridges existance
|
1928 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
1929 | a8083063 | Iustin Pop | if not rpc.call_bridges_exist(instance.primary_node, brlist): |
1930 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("one or more target bridges %s does not" |
1931 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
1932 | 3ecf6786 | Iustin Pop | (brlist, instance.primary_node)) |
1933 | a8083063 | Iustin Pop | |
1934 | a8083063 | Iustin Pop | self.instance = instance
|
1935 | a8083063 | Iustin Pop | self.op.instance_name = instance.name
|
1936 | a8083063 | Iustin Pop | |
1937 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1938 | a8083063 | Iustin Pop | """Start the instance.
|
1939 | a8083063 | Iustin Pop |
|
1940 | a8083063 | Iustin Pop | """
|
1941 | a8083063 | Iustin Pop | instance = self.instance
|
1942 | a8083063 | Iustin Pop | force = self.op.force
|
1943 | a8083063 | Iustin Pop | extra_args = getattr(self.op, "extra_args", "") |
1944 | a8083063 | Iustin Pop | |
1945 | a8083063 | Iustin Pop | node_current = instance.primary_node |
1946 | a8083063 | Iustin Pop | |
1947 | a8083063 | Iustin Pop | nodeinfo = rpc.call_node_info([node_current], self.cfg.GetVGName())
|
1948 | a8083063 | Iustin Pop | if not nodeinfo: |
1949 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not contact node %s for infos" % |
1950 | 3ecf6786 | Iustin Pop | (node_current)) |
1951 | a8083063 | Iustin Pop | |
1952 | a8083063 | Iustin Pop | freememory = nodeinfo[node_current]['memory_free']
|
1953 | a8083063 | Iustin Pop | memory = instance.memory |
1954 | a8083063 | Iustin Pop | if memory > freememory:
|
1955 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Not enough memory to start instance" |
1956 | 3ecf6786 | Iustin Pop | " %s on node %s"
|
1957 | 3ecf6786 | Iustin Pop | " needed %s MiB, available %s MiB" %
|
1958 | 3ecf6786 | Iustin Pop | (instance.name, node_current, memory, |
1959 | 3ecf6786 | Iustin Pop | freememory)) |
1960 | a8083063 | Iustin Pop | |
1961 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, instance, force)
|
1962 | a8083063 | Iustin Pop | |
1963 | a8083063 | Iustin Pop | if not rpc.call_instance_start(node_current, instance, extra_args): |
1964 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
1965 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
1966 | a8083063 | Iustin Pop | |
1967 | a8083063 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
1968 | a8083063 | Iustin Pop | |
1969 | a8083063 | Iustin Pop | |
1970 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
1971 | a8083063 | Iustin Pop | """Shutdown an instance.
|
1972 | a8083063 | Iustin Pop |
|
1973 | a8083063 | Iustin Pop | """
|
1974 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
1975 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
1976 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1977 | a8083063 | Iustin Pop | |
1978 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1979 | a8083063 | Iustin Pop | """Build hooks env.
|
1980 | a8083063 | Iustin Pop |
|
1981 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
1982 | a8083063 | Iustin Pop |
|
1983 | a8083063 | Iustin Pop | """
|
1984 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
1985 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
1986 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
1987 | a8083063 | Iustin Pop | return env, nl, nl
|
1988 | a8083063 | Iustin Pop | |
1989 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1990 | a8083063 | Iustin Pop | """Check prerequisites.
|
1991 | a8083063 | Iustin Pop |
|
1992 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1993 | a8083063 | Iustin Pop |
|
1994 | a8083063 | Iustin Pop | """
|
1995 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1996 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1997 | a8083063 | Iustin Pop | if instance is None: |
1998 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1999 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2000 | a8083063 | Iustin Pop | self.instance = instance
|
2001 | a8083063 | Iustin Pop | |
2002 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2003 | a8083063 | Iustin Pop | """Shutdown the instance.
|
2004 | a8083063 | Iustin Pop |
|
2005 | a8083063 | Iustin Pop | """
|
2006 | a8083063 | Iustin Pop | instance = self.instance
|
2007 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2008 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(node_current, instance): |
2009 | a8083063 | Iustin Pop | logger.Error("could not shutdown instance")
|
2010 | a8083063 | Iustin Pop | |
2011 | a8083063 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
2012 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2013 | a8083063 | Iustin Pop | |
2014 | a8083063 | Iustin Pop | |
2015 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
2016 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
2017 | fe7b0351 | Michael Hanselmann |
|
2018 | fe7b0351 | Michael Hanselmann | """
|
2019 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
2020 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
2021 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
2022 | fe7b0351 | Michael Hanselmann | |
2023 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
2024 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
2025 | fe7b0351 | Michael Hanselmann |
|
2026 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
2027 | fe7b0351 | Michael Hanselmann |
|
2028 | fe7b0351 | Michael Hanselmann | """
|
2029 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2030 | fe7b0351 | Michael Hanselmann | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2031 | fe7b0351 | Michael Hanselmann | list(self.instance.secondary_nodes)) |
2032 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
2033 | fe7b0351 | Michael Hanselmann | |
2034 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
2035 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
2036 | fe7b0351 | Michael Hanselmann |
|
2037 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
2038 | fe7b0351 | Michael Hanselmann |
|
2039 | fe7b0351 | Michael Hanselmann | """
|
2040 | fe7b0351 | Michael Hanselmann | instance = self.cfg.GetInstanceInfo(
|
2041 | fe7b0351 | Michael Hanselmann | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2042 | fe7b0351 | Michael Hanselmann | if instance is None: |
2043 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2044 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2045 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
2046 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
2047 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2048 | fe7b0351 | Michael Hanselmann | if instance.status != "down": |
2049 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2050 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2051 | fe7b0351 | Michael Hanselmann | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2052 | fe7b0351 | Michael Hanselmann | if remote_info:
|
2053 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2054 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
2055 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
2056 | d0834de3 | Michael Hanselmann | |
2057 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
2058 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2059 | d0834de3 | Michael Hanselmann | # OS verification
|
2060 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
2061 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
2062 | d0834de3 | Michael Hanselmann | if pnode is None: |
2063 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2064 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2065 | d0834de3 | Michael Hanselmann | os_obj = rpc.call_os_get([pnode.name], self.op.os_type)[pnode.name]
|
2066 | d0834de3 | Michael Hanselmann | if not isinstance(os_obj, objects.OS): |
2067 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported OS list for" |
2068 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2069 | d0834de3 | Michael Hanselmann | |
2070 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
2071 | fe7b0351 | Michael Hanselmann | |
2072 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
2073 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
2074 | fe7b0351 | Michael Hanselmann |
|
2075 | fe7b0351 | Michael Hanselmann | """
|
2076 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
2077 | fe7b0351 | Michael Hanselmann | |
2078 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2079 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
2080 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
2081 | d0834de3 | Michael Hanselmann | self.cfg.AddInstance(inst)
|
2082 | d0834de3 | Michael Hanselmann | |
2083 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, inst, None) |
2084 | fe7b0351 | Michael Hanselmann | try:
|
2085 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
2086 | fe7b0351 | Michael Hanselmann | if not rpc.call_instance_os_add(inst.primary_node, inst, "sda", "sdb"): |
2087 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not install OS for instance %s " |
2088 | 3ecf6786 | Iustin Pop | "on node %s" %
|
2089 | 3ecf6786 | Iustin Pop | (inst.name, inst.primary_node)) |
2090 | fe7b0351 | Michael Hanselmann | finally:
|
2091 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(inst, self.cfg)
|
2092 | fe7b0351 | Michael Hanselmann | |
2093 | fe7b0351 | Michael Hanselmann | |
2094 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
2095 | decd5f45 | Iustin Pop | """Rename an instance.
|
2096 | decd5f45 | Iustin Pop |
|
2097 | decd5f45 | Iustin Pop | """
|
2098 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
2099 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2100 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
2101 | decd5f45 | Iustin Pop | |
2102 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
2103 | decd5f45 | Iustin Pop | """Build hooks env.
|
2104 | decd5f45 | Iustin Pop |
|
2105 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2106 | decd5f45 | Iustin Pop |
|
2107 | decd5f45 | Iustin Pop | """
|
2108 | decd5f45 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self.instance)
|
2109 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
2110 | decd5f45 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2111 | decd5f45 | Iustin Pop | list(self.instance.secondary_nodes)) |
2112 | decd5f45 | Iustin Pop | return env, nl, nl
|
2113 | decd5f45 | Iustin Pop | |
2114 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
2115 | decd5f45 | Iustin Pop | """Check prerequisites.
|
2116 | decd5f45 | Iustin Pop |
|
2117 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
2118 | decd5f45 | Iustin Pop |
|
2119 | decd5f45 | Iustin Pop | """
|
2120 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2121 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2122 | decd5f45 | Iustin Pop | if instance is None: |
2123 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2124 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2125 | decd5f45 | Iustin Pop | if instance.status != "down": |
2126 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2127 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2128 | decd5f45 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2129 | decd5f45 | Iustin Pop | if remote_info:
|
2130 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2131 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
2132 | decd5f45 | Iustin Pop | instance.primary_node)) |
2133 | decd5f45 | Iustin Pop | self.instance = instance
|
2134 | decd5f45 | Iustin Pop | |
2135 | decd5f45 | Iustin Pop | # new name verification
|
2136 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
2137 | decd5f45 | Iustin Pop | |
2138 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
2139 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
2140 | 89e1fc26 | Iustin Pop | command = ["fping", "-q", name_info.ip] |
2141 | decd5f45 | Iustin Pop | result = utils.RunCmd(command) |
2142 | decd5f45 | Iustin Pop | if not result.failed: |
2143 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
2144 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
2145 | decd5f45 | Iustin Pop | |
2146 | decd5f45 | Iustin Pop | |
2147 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
2148 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
2149 | decd5f45 | Iustin Pop |
|
2150 | decd5f45 | Iustin Pop | """
|
2151 | decd5f45 | Iustin Pop | inst = self.instance
|
2152 | decd5f45 | Iustin Pop | old_name = inst.name |
2153 | decd5f45 | Iustin Pop | |
2154 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
2155 | decd5f45 | Iustin Pop | |
2156 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
2157 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
2158 | decd5f45 | Iustin Pop | |
2159 | decd5f45 | Iustin Pop | _StartInstanceDisks(self.cfg, inst, None) |
2160 | decd5f45 | Iustin Pop | try:
|
2161 | decd5f45 | Iustin Pop | if not rpc.call_instance_run_rename(inst.primary_node, inst, old_name, |
2162 | decd5f45 | Iustin Pop | "sda", "sdb"): |
2163 | decd5f45 | Iustin Pop | msg = ("Could run OS rename script for instance %s\n"
|
2164 | decd5f45 | Iustin Pop | "on node %s\n"
|
2165 | decd5f45 | Iustin Pop | "(but the instance has been renamed in Ganeti)" %
|
2166 | decd5f45 | Iustin Pop | (inst.name, inst.primary_node)) |
2167 | decd5f45 | Iustin Pop | logger.Error(msg) |
2168 | decd5f45 | Iustin Pop | finally:
|
2169 | decd5f45 | Iustin Pop | _ShutdownInstanceDisks(inst, self.cfg)
|
2170 | decd5f45 | Iustin Pop | |
2171 | decd5f45 | Iustin Pop | |
2172 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
2173 | a8083063 | Iustin Pop | """Remove an instance.
|
2174 | a8083063 | Iustin Pop |
|
2175 | a8083063 | Iustin Pop | """
|
2176 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
2177 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2178 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2179 | a8083063 | Iustin Pop | |
2180 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2181 | a8083063 | Iustin Pop | """Build hooks env.
|
2182 | a8083063 | Iustin Pop |
|
2183 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2184 | a8083063 | Iustin Pop |
|
2185 | a8083063 | Iustin Pop | """
|
2186 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2187 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2188 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2189 | a8083063 | Iustin Pop | return env, nl, nl
|
2190 | a8083063 | Iustin Pop | |
2191 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2192 | a8083063 | Iustin Pop | """Check prerequisites.
|
2193 | a8083063 | Iustin Pop |
|
2194 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2195 | a8083063 | Iustin Pop |
|
2196 | a8083063 | Iustin Pop | """
|
2197 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2198 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2199 | a8083063 | Iustin Pop | if instance is None: |
2200 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2201 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2202 | a8083063 | Iustin Pop | self.instance = instance
|
2203 | a8083063 | Iustin Pop | |
2204 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2205 | a8083063 | Iustin Pop | """Remove the instance.
|
2206 | a8083063 | Iustin Pop |
|
2207 | a8083063 | Iustin Pop | """
|
2208 | a8083063 | Iustin Pop | instance = self.instance
|
2209 | a8083063 | Iustin Pop | logger.Info("shutting down instance %s on node %s" %
|
2210 | a8083063 | Iustin Pop | (instance.name, instance.primary_node)) |
2211 | a8083063 | Iustin Pop | |
2212 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(instance.primary_node, instance): |
2213 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2214 | 3ecf6786 | Iustin Pop | (instance.name, instance.primary_node)) |
2215 | a8083063 | Iustin Pop | |
2216 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2217 | a8083063 | Iustin Pop | |
2218 | a8083063 | Iustin Pop | _RemoveDisks(instance, self.cfg)
|
2219 | a8083063 | Iustin Pop | |
2220 | a8083063 | Iustin Pop | logger.Info("removing instance %s out of cluster config" % instance.name)
|
2221 | a8083063 | Iustin Pop | |
2222 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
2223 | a8083063 | Iustin Pop | |
2224 | a8083063 | Iustin Pop | |
2225 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
2226 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
2227 | a8083063 | Iustin Pop |
|
2228 | a8083063 | Iustin Pop | """
|
2229 | 069dcc86 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
2230 | a8083063 | Iustin Pop | |
2231 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2232 | a8083063 | Iustin Pop | """Check prerequisites.
|
2233 | a8083063 | Iustin Pop |
|
2234 | a8083063 | Iustin Pop | This checks that the fields required are valid output fields.
|
2235 | a8083063 | Iustin Pop |
|
2236 | a8083063 | Iustin Pop | """
|
2237 | a8083063 | Iustin Pop | self.dynamic_fields = frozenset(["oper_state", "oper_ram"]) |
2238 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["name", "os", "pnode", "snodes", |
2239 | dcb93971 | Michael Hanselmann | "admin_state", "admin_ram", |
2240 | 644eeef9 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
2241 | 644eeef9 | Iustin Pop | "sda_size", "sdb_size"], |
2242 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
2243 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2244 | a8083063 | Iustin Pop | |
2245 | 069dcc86 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
2246 | 069dcc86 | Iustin Pop | |
2247 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2248 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2249 | a8083063 | Iustin Pop |
|
2250 | a8083063 | Iustin Pop | """
|
2251 | 069dcc86 | Iustin Pop | instance_names = self.wanted
|
2252 | a8083063 | Iustin Pop | instance_list = [self.cfg.GetInstanceInfo(iname) for iname |
2253 | a8083063 | Iustin Pop | in instance_names]
|
2254 | a8083063 | Iustin Pop | |
2255 | a8083063 | Iustin Pop | # begin data gathering
|
2256 | a8083063 | Iustin Pop | |
2257 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
2258 | a8083063 | Iustin Pop | |
2259 | a8083063 | Iustin Pop | bad_nodes = [] |
2260 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
2261 | a8083063 | Iustin Pop | live_data = {} |
2262 | a8083063 | Iustin Pop | node_data = rpc.call_all_instances_info(nodes) |
2263 | a8083063 | Iustin Pop | for name in nodes: |
2264 | a8083063 | Iustin Pop | result = node_data[name] |
2265 | a8083063 | Iustin Pop | if result:
|
2266 | a8083063 | Iustin Pop | live_data.update(result) |
2267 | a8083063 | Iustin Pop | elif result == False: |
2268 | a8083063 | Iustin Pop | bad_nodes.append(name) |
2269 | a8083063 | Iustin Pop | # else no instance is alive
|
2270 | a8083063 | Iustin Pop | else:
|
2271 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
2272 | a8083063 | Iustin Pop | |
2273 | a8083063 | Iustin Pop | # end data gathering
|
2274 | a8083063 | Iustin Pop | |
2275 | a8083063 | Iustin Pop | output = [] |
2276 | a8083063 | Iustin Pop | for instance in instance_list: |
2277 | a8083063 | Iustin Pop | iout = [] |
2278 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2279 | a8083063 | Iustin Pop | if field == "name": |
2280 | a8083063 | Iustin Pop | val = instance.name |
2281 | a8083063 | Iustin Pop | elif field == "os": |
2282 | a8083063 | Iustin Pop | val = instance.os |
2283 | a8083063 | Iustin Pop | elif field == "pnode": |
2284 | a8083063 | Iustin Pop | val = instance.primary_node |
2285 | a8083063 | Iustin Pop | elif field == "snodes": |
2286 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
2287 | a8083063 | Iustin Pop | elif field == "admin_state": |
2288 | 8a23d2d3 | Iustin Pop | val = (instance.status != "down")
|
2289 | a8083063 | Iustin Pop | elif field == "oper_state": |
2290 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2291 | 8a23d2d3 | Iustin Pop | val = None
|
2292 | a8083063 | Iustin Pop | else:
|
2293 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
2294 | a8083063 | Iustin Pop | elif field == "admin_ram": |
2295 | a8083063 | Iustin Pop | val = instance.memory |
2296 | a8083063 | Iustin Pop | elif field == "oper_ram": |
2297 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2298 | 8a23d2d3 | Iustin Pop | val = None
|
2299 | a8083063 | Iustin Pop | elif instance.name in live_data: |
2300 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
2301 | a8083063 | Iustin Pop | else:
|
2302 | a8083063 | Iustin Pop | val = "-"
|
2303 | a8083063 | Iustin Pop | elif field == "disk_template": |
2304 | a8083063 | Iustin Pop | val = instance.disk_template |
2305 | a8083063 | Iustin Pop | elif field == "ip": |
2306 | a8083063 | Iustin Pop | val = instance.nics[0].ip
|
2307 | a8083063 | Iustin Pop | elif field == "bridge": |
2308 | a8083063 | Iustin Pop | val = instance.nics[0].bridge
|
2309 | a8083063 | Iustin Pop | elif field == "mac": |
2310 | a8083063 | Iustin Pop | val = instance.nics[0].mac
|
2311 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
2312 | 644eeef9 | Iustin Pop | disk = instance.FindDisk(field[:3])
|
2313 | 644eeef9 | Iustin Pop | if disk is None: |
2314 | 8a23d2d3 | Iustin Pop | val = None
|
2315 | 644eeef9 | Iustin Pop | else:
|
2316 | 644eeef9 | Iustin Pop | val = disk.size |
2317 | a8083063 | Iustin Pop | else:
|
2318 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2319 | a8083063 | Iustin Pop | iout.append(val) |
2320 | a8083063 | Iustin Pop | output.append(iout) |
2321 | a8083063 | Iustin Pop | |
2322 | a8083063 | Iustin Pop | return output
|
2323 | a8083063 | Iustin Pop | |
2324 | a8083063 | Iustin Pop | |
2325 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
2326 | a8083063 | Iustin Pop | """Failover an instance.
|
2327 | a8083063 | Iustin Pop |
|
2328 | a8083063 | Iustin Pop | """
|
2329 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
2330 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2331 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
2332 | a8083063 | Iustin Pop | |
2333 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2334 | a8083063 | Iustin Pop | """Build hooks env.
|
2335 | a8083063 | Iustin Pop |
|
2336 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2337 | a8083063 | Iustin Pop |
|
2338 | a8083063 | Iustin Pop | """
|
2339 | a8083063 | Iustin Pop | env = { |
2340 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
2341 | a8083063 | Iustin Pop | } |
2342 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2343 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode()] + list(self.instance.secondary_nodes) |
2344 | a8083063 | Iustin Pop | return env, nl, nl
|
2345 | a8083063 | Iustin Pop | |
2346 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2347 | a8083063 | Iustin Pop | """Check prerequisites.
|
2348 | a8083063 | Iustin Pop |
|
2349 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2350 | a8083063 | Iustin Pop |
|
2351 | a8083063 | Iustin Pop | """
|
2352 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2353 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2354 | a8083063 | Iustin Pop | if instance is None: |
2355 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2356 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2357 | a8083063 | Iustin Pop | |
2358 | 2a710df1 | Michael Hanselmann | if instance.disk_template != constants.DT_REMOTE_RAID1:
|
2359 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
2360 | 2a710df1 | Michael Hanselmann | " remote_raid1.")
|
2361 | 2a710df1 | Michael Hanselmann | |
2362 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
2363 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
2364 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
2365 | 2a710df1 | Michael Hanselmann | "DT_REMOTE_RAID1 template")
|
2366 | 2a710df1 | Michael Hanselmann | |
2367 | 3a7c308e | Guido Trotter | # check memory requirements on the secondary node
|
2368 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
2369 | 3a7c308e | Guido Trotter | nodeinfo = rpc.call_node_info([target_node], self.cfg.GetVGName())
|
2370 | 3a7c308e | Guido Trotter | info = nodeinfo.get(target_node, None)
|
2371 | 3a7c308e | Guido Trotter | if not info: |
2372 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
2373 | 3ecf6786 | Iustin Pop | " from node '%s'" % nodeinfo)
|
2374 | 3a7c308e | Guido Trotter | if instance.memory > info['memory_free']: |
2375 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on target node %s." |
2376 | 3ecf6786 | Iustin Pop | " %d MB available, %d MB required" %
|
2377 | 3ecf6786 | Iustin Pop | (target_node, info['memory_free'],
|
2378 | 3ecf6786 | Iustin Pop | instance.memory)) |
2379 | 3a7c308e | Guido Trotter | |
2380 | a8083063 | Iustin Pop | # check bridge existance
|
2381 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
2382 | a8083063 | Iustin Pop | if not rpc.call_bridges_exist(instance.primary_node, brlist): |
2383 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
2384 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
2385 | 3ecf6786 | Iustin Pop | (brlist, instance.primary_node)) |
2386 | a8083063 | Iustin Pop | |
2387 | a8083063 | Iustin Pop | self.instance = instance
|
2388 | a8083063 | Iustin Pop | |
2389 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2390 | a8083063 | Iustin Pop | """Failover an instance.
|
2391 | a8083063 | Iustin Pop |
|
2392 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
2393 | a8083063 | Iustin Pop | starting it on the secondary.
|
2394 | a8083063 | Iustin Pop |
|
2395 | a8083063 | Iustin Pop | """
|
2396 | a8083063 | Iustin Pop | instance = self.instance
|
2397 | a8083063 | Iustin Pop | |
2398 | a8083063 | Iustin Pop | source_node = instance.primary_node |
2399 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
2400 | a8083063 | Iustin Pop | |
2401 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
2402 | a8083063 | Iustin Pop | for dev in instance.disks: |
2403 | a8083063 | Iustin Pop | # for remote_raid1, these are md over drbd
|
2404 | a8083063 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, target_node, False): |
2405 | a8083063 | Iustin Pop | if not self.op.ignore_consistency: |
2406 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
2407 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
2408 | a8083063 | Iustin Pop | |
2409 | a8083063 | Iustin Pop | feedback_fn("* checking target node resource availability")
|
2410 | a8083063 | Iustin Pop | nodeinfo = rpc.call_node_info([target_node], self.cfg.GetVGName())
|
2411 | a8083063 | Iustin Pop | |
2412 | a8083063 | Iustin Pop | if not nodeinfo: |
2413 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not contact target node %s." % |
2414 | 3ecf6786 | Iustin Pop | target_node) |
2415 | a8083063 | Iustin Pop | |
2416 | a8083063 | Iustin Pop | free_memory = int(nodeinfo[target_node]['memory_free']) |
2417 | a8083063 | Iustin Pop | memory = instance.memory |
2418 | a8083063 | Iustin Pop | if memory > free_memory:
|
2419 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Not enough memory to create instance %s on" |
2420 | 3ecf6786 | Iustin Pop | " node %s. needed %s MiB, available %s MiB" %
|
2421 | 3ecf6786 | Iustin Pop | (instance.name, target_node, memory, |
2422 | 3ecf6786 | Iustin Pop | free_memory)) |
2423 | a8083063 | Iustin Pop | |
2424 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
2425 | a8083063 | Iustin Pop | logger.Info("Shutting down instance %s on node %s" %
|
2426 | a8083063 | Iustin Pop | (instance.name, source_node)) |
2427 | a8083063 | Iustin Pop | |
2428 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(source_node, instance): |
2429 | a8083063 | Iustin Pop | logger.Error("Could not shutdown instance %s on node %s. Proceeding"
|
2430 | a8083063 | Iustin Pop | " anyway. Please make sure node %s is down" %
|
2431 | a8083063 | Iustin Pop | (instance.name, source_node, source_node)) |
2432 | a8083063 | Iustin Pop | |
2433 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
2434 | a8083063 | Iustin Pop | if not _ShutdownInstanceDisks(instance, self.cfg, ignore_primary=True): |
2435 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
2436 | a8083063 | Iustin Pop | |
2437 | a8083063 | Iustin Pop | instance.primary_node = target_node |
2438 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
2439 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
2440 | a8083063 | Iustin Pop | |
2441 | a8083063 | Iustin Pop | feedback_fn("* activating the instance's disks on target node")
|
2442 | a8083063 | Iustin Pop | logger.Info("Starting instance %s on node %s" %
|
2443 | a8083063 | Iustin Pop | (instance.name, target_node)) |
2444 | a8083063 | Iustin Pop | |
2445 | a8083063 | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(instance, self.cfg,
|
2446 | a8083063 | Iustin Pop | ignore_secondaries=True)
|
2447 | a8083063 | Iustin Pop | if not disks_ok: |
2448 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2449 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't activate the instance's disks") |
2450 | a8083063 | Iustin Pop | |
2451 | a8083063 | Iustin Pop | feedback_fn("* starting the instance on the target node")
|
2452 | a8083063 | Iustin Pop | if not rpc.call_instance_start(target_node, instance, None): |
2453 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2454 | a8083063 | Iustin Pop | raise errors.OpExecError("Could not start instance %s on node %s." % |
2455 | d0b3526f | Michael Hanselmann | (instance.name, target_node)) |
2456 | a8083063 | Iustin Pop | |
2457 | a8083063 | Iustin Pop | |
2458 | a0c3fea1 | Michael Hanselmann | def _CreateBlockDevOnPrimary(cfg, node, device, info): |
2459 | a8083063 | Iustin Pop | """Create a tree of block devices on the primary node.
|
2460 | a8083063 | Iustin Pop |
|
2461 | a8083063 | Iustin Pop | This always creates all devices.
|
2462 | a8083063 | Iustin Pop |
|
2463 | a8083063 | Iustin Pop | """
|
2464 | a8083063 | Iustin Pop | if device.children:
|
2465 | a8083063 | Iustin Pop | for child in device.children: |
2466 | a0c3fea1 | Michael Hanselmann | if not _CreateBlockDevOnPrimary(cfg, node, child, info): |
2467 | a8083063 | Iustin Pop | return False |
2468 | a8083063 | Iustin Pop | |
2469 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2470 | a0c3fea1 | Michael Hanselmann | new_id = rpc.call_blockdev_create(node, device, device.size, True, info)
|
2471 | a8083063 | Iustin Pop | if not new_id: |
2472 | a8083063 | Iustin Pop | return False |
2473 | a8083063 | Iustin Pop | if device.physical_id is None: |
2474 | a8083063 | Iustin Pop | device.physical_id = new_id |
2475 | a8083063 | Iustin Pop | return True |
2476 | a8083063 | Iustin Pop | |
2477 | a8083063 | Iustin Pop | |
2478 | a0c3fea1 | Michael Hanselmann | def _CreateBlockDevOnSecondary(cfg, node, device, force, info): |
2479 | a8083063 | Iustin Pop | """Create a tree of block devices on a secondary node.
|
2480 | a8083063 | Iustin Pop |
|
2481 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
2482 | a8083063 | Iustin Pop | all its children.
|
2483 | a8083063 | Iustin Pop |
|
2484 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
2485 | a8083063 | Iustin Pop |
|
2486 | a8083063 | Iustin Pop | """
|
2487 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
2488 | a8083063 | Iustin Pop | force = True
|
2489 | a8083063 | Iustin Pop | if device.children:
|
2490 | a8083063 | Iustin Pop | for child in device.children: |
2491 | a0c3fea1 | Michael Hanselmann | if not _CreateBlockDevOnSecondary(cfg, node, child, force, info): |
2492 | a8083063 | Iustin Pop | return False |
2493 | a8083063 | Iustin Pop | |
2494 | a8083063 | Iustin Pop | if not force: |
2495 | a8083063 | Iustin Pop | return True |
2496 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2497 | a0c3fea1 | Michael Hanselmann | new_id = rpc.call_blockdev_create(node, device, device.size, False, info)
|
2498 | a8083063 | Iustin Pop | if not new_id: |
2499 | a8083063 | Iustin Pop | return False |
2500 | a8083063 | Iustin Pop | if device.physical_id is None: |
2501 | a8083063 | Iustin Pop | device.physical_id = new_id |
2502 | a8083063 | Iustin Pop | return True |
2503 | a8083063 | Iustin Pop | |
2504 | a8083063 | Iustin Pop | |
2505 | 923b1523 | Iustin Pop | def _GenerateUniqueNames(cfg, exts): |
2506 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
2507 | 923b1523 | Iustin Pop |
|
2508 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
2509 | 923b1523 | Iustin Pop |
|
2510 | 923b1523 | Iustin Pop | """
|
2511 | 923b1523 | Iustin Pop | results = [] |
2512 | 923b1523 | Iustin Pop | for val in exts: |
2513 | 923b1523 | Iustin Pop | new_id = cfg.GenerateUniqueID() |
2514 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
2515 | 923b1523 | Iustin Pop | return results
|
2516 | 923b1523 | Iustin Pop | |
2517 | 923b1523 | Iustin Pop | |
2518 | 923b1523 | Iustin Pop | def _GenerateMDDRBDBranch(cfg, primary, secondary, size, names): |
2519 | a8083063 | Iustin Pop | """Generate a drbd device complete with its children.
|
2520 | a8083063 | Iustin Pop |
|
2521 | a8083063 | Iustin Pop | """
|
2522 | a8083063 | Iustin Pop | port = cfg.AllocatePort() |
2523 | 923b1523 | Iustin Pop | vgname = cfg.GetVGName() |
2524 | a8083063 | Iustin Pop | dev_data = objects.Disk(dev_type="lvm", size=size,
|
2525 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]))
|
2526 | a8083063 | Iustin Pop | dev_meta = objects.Disk(dev_type="lvm", size=128, |
2527 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]))
|
2528 | a8083063 | Iustin Pop | drbd_dev = objects.Disk(dev_type="drbd", size=size,
|
2529 | a8083063 | Iustin Pop | logical_id = (primary, secondary, port), |
2530 | a8083063 | Iustin Pop | children = [dev_data, dev_meta]) |
2531 | a8083063 | Iustin Pop | return drbd_dev
|
2532 | a8083063 | Iustin Pop | |
2533 | a8083063 | Iustin Pop | |
2534 | 923b1523 | Iustin Pop | def _GenerateDiskTemplate(cfg, template_name, |
2535 | a8083063 | Iustin Pop | instance_name, primary_node, |
2536 | a8083063 | Iustin Pop | secondary_nodes, disk_sz, swap_sz): |
2537 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
2538 | a8083063 | Iustin Pop |
|
2539 | a8083063 | Iustin Pop | """
|
2540 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
2541 | a8083063 | Iustin Pop | |
2542 | 923b1523 | Iustin Pop | vgname = cfg.GetVGName() |
2543 | a8083063 | Iustin Pop | if template_name == "diskless": |
2544 | a8083063 | Iustin Pop | disks = [] |
2545 | a8083063 | Iustin Pop | elif template_name == "plain": |
2546 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2547 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2548 | 923b1523 | Iustin Pop | |
2549 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda", ".sdb"]) |
2550 | a8083063 | Iustin Pop | sda_dev = objects.Disk(dev_type="lvm", size=disk_sz,
|
2551 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]),
|
2552 | a8083063 | Iustin Pop | iv_name = "sda")
|
2553 | a8083063 | Iustin Pop | sdb_dev = objects.Disk(dev_type="lvm", size=swap_sz,
|
2554 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]),
|
2555 | a8083063 | Iustin Pop | iv_name = "sdb")
|
2556 | a8083063 | Iustin Pop | disks = [sda_dev, sdb_dev] |
2557 | a8083063 | Iustin Pop | elif template_name == "local_raid1": |
2558 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2559 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2560 | 923b1523 | Iustin Pop | |
2561 | 923b1523 | Iustin Pop | |
2562 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_m1", ".sda_m2", |
2563 | 923b1523 | Iustin Pop | ".sdb_m1", ".sdb_m2"]) |
2564 | a8083063 | Iustin Pop | sda_dev_m1 = objects.Disk(dev_type="lvm", size=disk_sz,
|
2565 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]))
|
2566 | a8083063 | Iustin Pop | sda_dev_m2 = objects.Disk(dev_type="lvm", size=disk_sz,
|
2567 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]))
|
2568 | a8083063 | Iustin Pop | md_sda_dev = objects.Disk(dev_type="md_raid1", iv_name = "sda", |
2569 | a8083063 | Iustin Pop | size=disk_sz, |
2570 | a8083063 | Iustin Pop | children = [sda_dev_m1, sda_dev_m2]) |
2571 | a8083063 | Iustin Pop | sdb_dev_m1 = objects.Disk(dev_type="lvm", size=swap_sz,
|
2572 | 923b1523 | Iustin Pop | logical_id=(vgname, names[2]))
|
2573 | a8083063 | Iustin Pop | sdb_dev_m2 = objects.Disk(dev_type="lvm", size=swap_sz,
|
2574 | 923b1523 | Iustin Pop | logical_id=(vgname, names[3]))
|
2575 | a8083063 | Iustin Pop | md_sdb_dev = objects.Disk(dev_type="md_raid1", iv_name = "sdb", |
2576 | a8083063 | Iustin Pop | size=swap_sz, |
2577 | a8083063 | Iustin Pop | children = [sdb_dev_m1, sdb_dev_m2]) |
2578 | a8083063 | Iustin Pop | disks = [md_sda_dev, md_sdb_dev] |
2579 | 2a710df1 | Michael Hanselmann | elif template_name == constants.DT_REMOTE_RAID1:
|
2580 | a8083063 | Iustin Pop | if len(secondary_nodes) != 1: |
2581 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2582 | a8083063 | Iustin Pop | remote_node = secondary_nodes[0]
|
2583 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_data", ".sda_meta", |
2584 | 923b1523 | Iustin Pop | ".sdb_data", ".sdb_meta"]) |
2585 | 923b1523 | Iustin Pop | drbd_sda_dev = _GenerateMDDRBDBranch(cfg, primary_node, remote_node, |
2586 | 923b1523 | Iustin Pop | disk_sz, names[0:2]) |
2587 | a8083063 | Iustin Pop | md_sda_dev = objects.Disk(dev_type="md_raid1", iv_name="sda", |
2588 | a8083063 | Iustin Pop | children = [drbd_sda_dev], size=disk_sz) |
2589 | 923b1523 | Iustin Pop | drbd_sdb_dev = _GenerateMDDRBDBranch(cfg, primary_node, remote_node, |
2590 | 923b1523 | Iustin Pop | swap_sz, names[2:4]) |
2591 | a8083063 | Iustin Pop | md_sdb_dev = objects.Disk(dev_type="md_raid1", iv_name="sdb", |
2592 | a8083063 | Iustin Pop | children = [drbd_sdb_dev], size=swap_sz) |
2593 | a8083063 | Iustin Pop | disks = [md_sda_dev, md_sdb_dev] |
2594 | a8083063 | Iustin Pop | else:
|
2595 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
2596 | a8083063 | Iustin Pop | return disks
|
2597 | a8083063 | Iustin Pop | |
2598 | a8083063 | Iustin Pop | |
2599 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
2600 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
2601 | 3ecf6786 | Iustin Pop |
|
2602 | 3ecf6786 | Iustin Pop | """
|
2603 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
2604 | a0c3fea1 | Michael Hanselmann | |
2605 | a0c3fea1 | Michael Hanselmann | |
2606 | a8083063 | Iustin Pop | def _CreateDisks(cfg, instance): |
2607 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
2608 | a8083063 | Iustin Pop |
|
2609 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
2610 | a8083063 | Iustin Pop |
|
2611 | a8083063 | Iustin Pop | Args:
|
2612 | a8083063 | Iustin Pop | instance: the instance object
|
2613 | a8083063 | Iustin Pop |
|
2614 | a8083063 | Iustin Pop | Returns:
|
2615 | a8083063 | Iustin Pop | True or False showing the success of the creation process
|
2616 | a8083063 | Iustin Pop |
|
2617 | a8083063 | Iustin Pop | """
|
2618 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
2619 | a0c3fea1 | Michael Hanselmann | |
2620 | a8083063 | Iustin Pop | for device in instance.disks: |
2621 | a8083063 | Iustin Pop | logger.Info("creating volume %s for instance %s" %
|
2622 | a8083063 | Iustin Pop | (device.iv_name, instance.name)) |
2623 | a8083063 | Iustin Pop | #HARDCODE
|
2624 | a8083063 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
2625 | a0c3fea1 | Michael Hanselmann | if not _CreateBlockDevOnSecondary(cfg, secondary_node, device, False, |
2626 | a0c3fea1 | Michael Hanselmann | info): |
2627 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s (%s) on secondary node %s!" %
|
2628 | a8083063 | Iustin Pop | (device.iv_name, device, secondary_node)) |
2629 | a8083063 | Iustin Pop | return False |
2630 | a8083063 | Iustin Pop | #HARDCODE
|
2631 | a0c3fea1 | Michael Hanselmann | if not _CreateBlockDevOnPrimary(cfg, instance.primary_node, device, info): |
2632 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s on primary!" %
|
2633 | a8083063 | Iustin Pop | device.iv_name) |
2634 | a8083063 | Iustin Pop | return False |
2635 | a8083063 | Iustin Pop | return True |
2636 | a8083063 | Iustin Pop | |
2637 | a8083063 | Iustin Pop | |
2638 | a8083063 | Iustin Pop | def _RemoveDisks(instance, cfg): |
2639 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
2640 | a8083063 | Iustin Pop |
|
2641 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
2642 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
2643 | a8083063 | Iustin Pop | be remove, the removal will continue with the other ones (compare
|
2644 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
2645 | a8083063 | Iustin Pop |
|
2646 | a8083063 | Iustin Pop | Args:
|
2647 | a8083063 | Iustin Pop | instance: the instance object
|
2648 | a8083063 | Iustin Pop |
|
2649 | a8083063 | Iustin Pop | Returns:
|
2650 | a8083063 | Iustin Pop | True or False showing the success of the removal proces
|
2651 | a8083063 | Iustin Pop |
|
2652 | a8083063 | Iustin Pop | """
|
2653 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2654 | a8083063 | Iustin Pop | |
2655 | a8083063 | Iustin Pop | result = True
|
2656 | a8083063 | Iustin Pop | for device in instance.disks: |
2657 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
2658 | a8083063 | Iustin Pop | cfg.SetDiskID(disk, node) |
2659 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, disk): |
2660 | a8083063 | Iustin Pop | logger.Error("could not remove block device %s on node %s,"
|
2661 | a8083063 | Iustin Pop | " continuing anyway" %
|
2662 | a8083063 | Iustin Pop | (device.iv_name, node)) |
2663 | a8083063 | Iustin Pop | result = False
|
2664 | a8083063 | Iustin Pop | return result
|
2665 | a8083063 | Iustin Pop | |
2666 | a8083063 | Iustin Pop | |
2667 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
2668 | a8083063 | Iustin Pop | """Create an instance.
|
2669 | a8083063 | Iustin Pop |
|
2670 | a8083063 | Iustin Pop | """
|
2671 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
2672 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2673 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "mem_size", "disk_size", "pnode", |
2674 | a8083063 | Iustin Pop | "disk_template", "swap_size", "mode", "start", "vcpus", |
2675 | bdd55f71 | Iustin Pop | "wait_for_sync", "ip_check"] |
2676 | a8083063 | Iustin Pop | |
2677 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2678 | a8083063 | Iustin Pop | """Build hooks env.
|
2679 | a8083063 | Iustin Pop |
|
2680 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2681 | a8083063 | Iustin Pop |
|
2682 | a8083063 | Iustin Pop | """
|
2683 | a8083063 | Iustin Pop | env = { |
2684 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_TEMPLATE": self.op.disk_template, |
2685 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_SIZE": self.op.disk_size, |
2686 | 396e1b78 | Michael Hanselmann | "INSTANCE_SWAP_SIZE": self.op.swap_size, |
2687 | a8083063 | Iustin Pop | "INSTANCE_ADD_MODE": self.op.mode, |
2688 | a8083063 | Iustin Pop | } |
2689 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
2690 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_NODE"] = self.op.src_node |
2691 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_PATH"] = self.op.src_path |
2692 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_IMAGE"] = self.src_image |
2693 | 396e1b78 | Michael Hanselmann | |
2694 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
|
2695 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
2696 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
2697 | 396e1b78 | Michael Hanselmann | status=self.instance_status,
|
2698 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
2699 | 396e1b78 | Michael Hanselmann | memory=self.op.mem_size,
|
2700 | 396e1b78 | Michael Hanselmann | vcpus=self.op.vcpus,
|
2701 | 396e1b78 | Michael Hanselmann | nics=[(self.inst_ip, self.op.bridge)], |
2702 | 396e1b78 | Michael Hanselmann | )) |
2703 | a8083063 | Iustin Pop | |
2704 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.op.pnode] + |
2705 | a8083063 | Iustin Pop | self.secondaries)
|
2706 | a8083063 | Iustin Pop | return env, nl, nl
|
2707 | a8083063 | Iustin Pop | |
2708 | a8083063 | Iustin Pop | |
2709 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2710 | a8083063 | Iustin Pop | """Check prerequisites.
|
2711 | a8083063 | Iustin Pop |
|
2712 | a8083063 | Iustin Pop | """
|
2713 | a8083063 | Iustin Pop | if self.op.mode not in (constants.INSTANCE_CREATE, |
2714 | a8083063 | Iustin Pop | constants.INSTANCE_IMPORT): |
2715 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
2716 | 3ecf6786 | Iustin Pop | self.op.mode)
|
2717 | a8083063 | Iustin Pop | |
2718 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
2719 | a8083063 | Iustin Pop | src_node = getattr(self.op, "src_node", None) |
2720 | a8083063 | Iustin Pop | src_path = getattr(self.op, "src_path", None) |
2721 | a8083063 | Iustin Pop | if src_node is None or src_path is None: |
2722 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Importing an instance requires source" |
2723 | 3ecf6786 | Iustin Pop | " node and path options")
|
2724 | a8083063 | Iustin Pop | src_node_full = self.cfg.ExpandNodeName(src_node)
|
2725 | a8083063 | Iustin Pop | if src_node_full is None: |
2726 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown source node '%s'" % src_node) |
2727 | a8083063 | Iustin Pop | self.op.src_node = src_node = src_node_full
|
2728 | a8083063 | Iustin Pop | |
2729 | a8083063 | Iustin Pop | if not os.path.isabs(src_path): |
2730 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The source path must be absolute") |
2731 | a8083063 | Iustin Pop | |
2732 | a8083063 | Iustin Pop | export_info = rpc.call_export_info(src_node, src_path) |
2733 | a8083063 | Iustin Pop | |
2734 | a8083063 | Iustin Pop | if not export_info: |
2735 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No export found in dir %s" % src_path) |
2736 | a8083063 | Iustin Pop | |
2737 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
2738 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
2739 | a8083063 | Iustin Pop | |
2740 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
2741 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
2742 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
2743 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
2744 | a8083063 | Iustin Pop | |
2745 | a8083063 | Iustin Pop | if int(export_info.get(constants.INISECT_INS, 'disk_count')) > 1: |
2746 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't import instance with more than" |
2747 | 3ecf6786 | Iustin Pop | " one data disk")
|
2748 | a8083063 | Iustin Pop | |
2749 | a8083063 | Iustin Pop | # FIXME: are the old os-es, disk sizes, etc. useful?
|
2750 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
2751 | a8083063 | Iustin Pop | diskimage = os.path.join(src_path, export_info.get(constants.INISECT_INS, |
2752 | a8083063 | Iustin Pop | 'disk0_dump'))
|
2753 | a8083063 | Iustin Pop | self.src_image = diskimage
|
2754 | a8083063 | Iustin Pop | else: # INSTANCE_CREATE |
2755 | a8083063 | Iustin Pop | if getattr(self.op, "os_type", None) is None: |
2756 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No guest OS specified") |
2757 | a8083063 | Iustin Pop | |
2758 | a8083063 | Iustin Pop | # check primary node
|
2759 | a8083063 | Iustin Pop | pnode = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.pnode)) |
2760 | a8083063 | Iustin Pop | if pnode is None: |
2761 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2762 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2763 | a8083063 | Iustin Pop | self.op.pnode = pnode.name
|
2764 | a8083063 | Iustin Pop | self.pnode = pnode
|
2765 | a8083063 | Iustin Pop | self.secondaries = []
|
2766 | a8083063 | Iustin Pop | # disk template and mirror node verification
|
2767 | a8083063 | Iustin Pop | if self.op.disk_template not in constants.DISK_TEMPLATES: |
2768 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid disk template name") |
2769 | a8083063 | Iustin Pop | |
2770 | a8083063 | Iustin Pop | if self.op.disk_template == constants.DT_REMOTE_RAID1: |
2771 | a8083063 | Iustin Pop | if getattr(self.op, "snode", None) is None: |
2772 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The 'remote_raid1' disk template needs" |
2773 | 3ecf6786 | Iustin Pop | " a mirror node")
|
2774 | a8083063 | Iustin Pop | |
2775 | a8083063 | Iustin Pop | snode_name = self.cfg.ExpandNodeName(self.op.snode) |
2776 | a8083063 | Iustin Pop | if snode_name is None: |
2777 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown secondary node '%s'" % |
2778 | 3ecf6786 | Iustin Pop | self.op.snode)
|
2779 | a8083063 | Iustin Pop | elif snode_name == pnode.name:
|
2780 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
2781 | 3ecf6786 | Iustin Pop | " the primary node.")
|
2782 | a8083063 | Iustin Pop | self.secondaries.append(snode_name)
|
2783 | a8083063 | Iustin Pop | |
2784 | ed1ebc60 | Guido Trotter | # Check lv size requirements
|
2785 | ed1ebc60 | Guido Trotter | nodenames = [pnode.name] + self.secondaries
|
2786 | ed1ebc60 | Guido Trotter | nodeinfo = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
2787 | ed1ebc60 | Guido Trotter | |
2788 | ed1ebc60 | Guido Trotter | # Required free disk space as a function of disk and swap space
|
2789 | ed1ebc60 | Guido Trotter | req_size_dict = { |
2790 | ed1ebc60 | Guido Trotter | constants.DT_DISKLESS: 0,
|
2791 | ed1ebc60 | Guido Trotter | constants.DT_PLAIN: self.op.disk_size + self.op.swap_size, |
2792 | ed1ebc60 | Guido Trotter | constants.DT_LOCAL_RAID1: (self.op.disk_size + self.op.swap_size) * 2, |
2793 | ed1ebc60 | Guido Trotter | # 256 MB are added for drbd metadata, 128MB for each drbd device
|
2794 | ed1ebc60 | Guido Trotter | constants.DT_REMOTE_RAID1: self.op.disk_size + self.op.swap_size + 256, |
2795 | ed1ebc60 | Guido Trotter | } |
2796 | ed1ebc60 | Guido Trotter | |
2797 | ed1ebc60 | Guido Trotter | if self.op.disk_template not in req_size_dict: |
2798 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
2799 | 3ecf6786 | Iustin Pop | " is unknown" % self.op.disk_template) |
2800 | ed1ebc60 | Guido Trotter | |
2801 | ed1ebc60 | Guido Trotter | req_size = req_size_dict[self.op.disk_template]
|
2802 | ed1ebc60 | Guido Trotter | |
2803 | ed1ebc60 | Guido Trotter | for node in nodenames: |
2804 | ed1ebc60 | Guido Trotter | info = nodeinfo.get(node, None)
|
2805 | ed1ebc60 | Guido Trotter | if not info: |
2806 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
2807 | 3ecf6786 | Iustin Pop | " from node '%s'" % nodeinfo)
|
2808 | ed1ebc60 | Guido Trotter | if req_size > info['vg_free']: |
2809 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
2810 | 3ecf6786 | Iustin Pop | " %d MB available, %d MB required" %
|
2811 | 3ecf6786 | Iustin Pop | (node, info['vg_free'], req_size))
|
2812 | ed1ebc60 | Guido Trotter | |
2813 | a8083063 | Iustin Pop | # os verification
|
2814 | a8083063 | Iustin Pop | os_obj = rpc.call_os_get([pnode.name], self.op.os_type)[pnode.name]
|
2815 | a8083063 | Iustin Pop | if not isinstance(os_obj, objects.OS): |
2816 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported os list for" |
2817 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2818 | a8083063 | Iustin Pop | |
2819 | a8083063 | Iustin Pop | # instance verification
|
2820 | 89e1fc26 | Iustin Pop | hostname1 = utils.HostInfo(self.op.instance_name)
|
2821 | a8083063 | Iustin Pop | |
2822 | bcf043c9 | Iustin Pop | self.op.instance_name = instance_name = hostname1.name
|
2823 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
2824 | a8083063 | Iustin Pop | if instance_name in instance_list: |
2825 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
2826 | 3ecf6786 | Iustin Pop | instance_name) |
2827 | a8083063 | Iustin Pop | |
2828 | a8083063 | Iustin Pop | ip = getattr(self.op, "ip", None) |
2829 | a8083063 | Iustin Pop | if ip is None or ip.lower() == "none": |
2830 | a8083063 | Iustin Pop | inst_ip = None
|
2831 | a8083063 | Iustin Pop | elif ip.lower() == "auto": |
2832 | bcf043c9 | Iustin Pop | inst_ip = hostname1.ip |
2833 | a8083063 | Iustin Pop | else:
|
2834 | a8083063 | Iustin Pop | if not utils.IsValidIP(ip): |
2835 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("given IP address '%s' doesn't look" |
2836 | 3ecf6786 | Iustin Pop | " like a valid IP" % ip)
|
2837 | a8083063 | Iustin Pop | inst_ip = ip |
2838 | a8083063 | Iustin Pop | self.inst_ip = inst_ip
|
2839 | a8083063 | Iustin Pop | |
2840 | bdd55f71 | Iustin Pop | if self.op.start and not self.op.ip_check: |
2841 | bdd55f71 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
2842 | bdd55f71 | Iustin Pop | " adding an instance in start mode")
|
2843 | bdd55f71 | Iustin Pop | |
2844 | bdd55f71 | Iustin Pop | if self.op.ip_check: |
2845 | bdd55f71 | Iustin Pop | command = ["fping", "-q", hostname1.ip] |
2846 | bdd55f71 | Iustin Pop | result = utils.RunCmd(command) |
2847 | bdd55f71 | Iustin Pop | if not result.failed: |
2848 | bdd55f71 | Iustin Pop | raise errors.OpPrereqError("IP address %s of instance %s already" |
2849 | bdd55f71 | Iustin Pop | " in use" % (hostname1.ip, instance_name))
|
2850 | a8083063 | Iustin Pop | |
2851 | a8083063 | Iustin Pop | # bridge verification
|
2852 | a8083063 | Iustin Pop | bridge = getattr(self.op, "bridge", None) |
2853 | a8083063 | Iustin Pop | if bridge is None: |
2854 | a8083063 | Iustin Pop | self.op.bridge = self.cfg.GetDefBridge() |
2855 | a8083063 | Iustin Pop | else:
|
2856 | a8083063 | Iustin Pop | self.op.bridge = bridge
|
2857 | a8083063 | Iustin Pop | |
2858 | a8083063 | Iustin Pop | if not rpc.call_bridges_exist(self.pnode.name, [self.op.bridge]): |
2859 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("target bridge '%s' does not exist on" |
2860 | 3ecf6786 | Iustin Pop | " destination node '%s'" %
|
2861 | 3ecf6786 | Iustin Pop | (self.op.bridge, pnode.name))
|
2862 | a8083063 | Iustin Pop | |
2863 | a8083063 | Iustin Pop | if self.op.start: |
2864 | a8083063 | Iustin Pop | self.instance_status = 'up' |
2865 | a8083063 | Iustin Pop | else:
|
2866 | a8083063 | Iustin Pop | self.instance_status = 'down' |
2867 | a8083063 | Iustin Pop | |
2868 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2869 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
2870 | a8083063 | Iustin Pop |
|
2871 | a8083063 | Iustin Pop | """
|
2872 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
2873 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
2874 | a8083063 | Iustin Pop | |
2875 | a8083063 | Iustin Pop | nic = objects.NIC(bridge=self.op.bridge, mac=self.cfg.GenerateMAC()) |
2876 | a8083063 | Iustin Pop | if self.inst_ip is not None: |
2877 | a8083063 | Iustin Pop | nic.ip = self.inst_ip
|
2878 | a8083063 | Iustin Pop | |
2879 | 923b1523 | Iustin Pop | disks = _GenerateDiskTemplate(self.cfg,
|
2880 | a8083063 | Iustin Pop | self.op.disk_template,
|
2881 | a8083063 | Iustin Pop | instance, pnode_name, |
2882 | a8083063 | Iustin Pop | self.secondaries, self.op.disk_size, |
2883 | a8083063 | Iustin Pop | self.op.swap_size)
|
2884 | a8083063 | Iustin Pop | |
2885 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
2886 | a8083063 | Iustin Pop | primary_node=pnode_name, |
2887 | a8083063 | Iustin Pop | memory=self.op.mem_size,
|
2888 | a8083063 | Iustin Pop | vcpus=self.op.vcpus,
|
2889 | a8083063 | Iustin Pop | nics=[nic], disks=disks, |
2890 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
2891 | a8083063 | Iustin Pop | status=self.instance_status,
|
2892 | a8083063 | Iustin Pop | ) |
2893 | a8083063 | Iustin Pop | |
2894 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
2895 | a8083063 | Iustin Pop | if not _CreateDisks(self.cfg, iobj): |
2896 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
2897 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Device creation failed, reverting...") |
2898 | a8083063 | Iustin Pop | |
2899 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
2900 | a8083063 | Iustin Pop | |
2901 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
2902 | a8083063 | Iustin Pop | |
2903 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
2904 | a8083063 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj) |
2905 | 2a710df1 | Michael Hanselmann | elif iobj.disk_template == constants.DT_REMOTE_RAID1:
|
2906 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
2907 | a8083063 | Iustin Pop | time.sleep(15)
|
2908 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
2909 | a8083063 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, oneshot=True) |
2910 | a8083063 | Iustin Pop | else:
|
2911 | a8083063 | Iustin Pop | disk_abort = False
|
2912 | a8083063 | Iustin Pop | |
2913 | a8083063 | Iustin Pop | if disk_abort:
|
2914 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
2915 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
2916 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
2917 | 3ecf6786 | Iustin Pop | " this instance")
|
2918 | a8083063 | Iustin Pop | |
2919 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
2920 | a8083063 | Iustin Pop | (instance, pnode_name)) |
2921 | a8083063 | Iustin Pop | |
2922 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
2923 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
2924 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
2925 | a8083063 | Iustin Pop | if not rpc.call_instance_os_add(pnode_name, iobj, "sda", "sdb"): |
2926 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not add os for instance %s" |
2927 | 3ecf6786 | Iustin Pop | " on node %s" %
|
2928 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
2929 | a8083063 | Iustin Pop | |
2930 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
2931 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
2932 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
2933 | a8083063 | Iustin Pop | src_image = self.src_image
|
2934 | a8083063 | Iustin Pop | if not rpc.call_instance_os_import(pnode_name, iobj, "sda", "sdb", |
2935 | a8083063 | Iustin Pop | src_node, src_image): |
2936 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not import os for instance" |
2937 | 3ecf6786 | Iustin Pop | " %s on node %s" %
|
2938 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
2939 | a8083063 | Iustin Pop | else:
|
2940 | a8083063 | Iustin Pop | # also checked in the prereq part
|
2941 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
2942 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
2943 | a8083063 | Iustin Pop | |
2944 | a8083063 | Iustin Pop | if self.op.start: |
2945 | a8083063 | Iustin Pop | logger.Info("starting instance %s on node %s" % (instance, pnode_name))
|
2946 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
2947 | a8083063 | Iustin Pop | if not rpc.call_instance_start(pnode_name, iobj, None): |
2948 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
2949 | a8083063 | Iustin Pop | |
2950 | a8083063 | Iustin Pop | |
2951 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
2952 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
2953 | a8083063 | Iustin Pop |
|
2954 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
2955 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
2956 | a8083063 | Iustin Pop | console.
|
2957 | a8083063 | Iustin Pop |
|
2958 | a8083063 | Iustin Pop | """
|
2959 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2960 | a8083063 | Iustin Pop | |
2961 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2962 | a8083063 | Iustin Pop | """Check prerequisites.
|
2963 | a8083063 | Iustin Pop |
|
2964 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2965 | a8083063 | Iustin Pop |
|
2966 | a8083063 | Iustin Pop | """
|
2967 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2968 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2969 | a8083063 | Iustin Pop | if instance is None: |
2970 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2971 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2972 | a8083063 | Iustin Pop | self.instance = instance
|
2973 | a8083063 | Iustin Pop | |
2974 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2975 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
2976 | a8083063 | Iustin Pop |
|
2977 | a8083063 | Iustin Pop | """
|
2978 | a8083063 | Iustin Pop | instance = self.instance
|
2979 | a8083063 | Iustin Pop | node = instance.primary_node |
2980 | a8083063 | Iustin Pop | |
2981 | a8083063 | Iustin Pop | node_insts = rpc.call_instance_list([node])[node] |
2982 | a8083063 | Iustin Pop | if node_insts is False: |
2983 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't connect to node %s." % node) |
2984 | a8083063 | Iustin Pop | |
2985 | a8083063 | Iustin Pop | if instance.name not in node_insts: |
2986 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
2987 | a8083063 | Iustin Pop | |
2988 | a8083063 | Iustin Pop | logger.Debug("connecting to console of %s on %s" % (instance.name, node))
|
2989 | a8083063 | Iustin Pop | |
2990 | a8083063 | Iustin Pop | hyper = hypervisor.GetHypervisor() |
2991 | a8083063 | Iustin Pop | console_cmd = hyper.GetShellCommandForConsole(instance.name) |
2992 | 82122173 | Iustin Pop | # build ssh cmdline
|
2993 | 82122173 | Iustin Pop | argv = ["ssh", "-q", "-t"] |
2994 | 82122173 | Iustin Pop | argv.extend(ssh.KNOWN_HOSTS_OPTS) |
2995 | 82122173 | Iustin Pop | argv.extend(ssh.BATCH_MODE_OPTS) |
2996 | 82122173 | Iustin Pop | argv.append(node) |
2997 | 82122173 | Iustin Pop | argv.append(console_cmd) |
2998 | 82122173 | Iustin Pop | return "ssh", argv |
2999 | a8083063 | Iustin Pop | |
3000 | a8083063 | Iustin Pop | |
3001 | a8083063 | Iustin Pop | class LUAddMDDRBDComponent(LogicalUnit): |
3002 | a8083063 | Iustin Pop | """Adda new mirror member to an instance's disk.
|
3003 | a8083063 | Iustin Pop |
|
3004 | a8083063 | Iustin Pop | """
|
3005 | a8083063 | Iustin Pop | HPATH = "mirror-add"
|
3006 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3007 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "remote_node", "disk_name"] |
3008 | a8083063 | Iustin Pop | |
3009 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3010 | a8083063 | Iustin Pop | """Build hooks env.
|
3011 | a8083063 | Iustin Pop |
|
3012 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3013 | a8083063 | Iustin Pop |
|
3014 | a8083063 | Iustin Pop | """
|
3015 | a8083063 | Iustin Pop | env = { |
3016 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3017 | a8083063 | Iustin Pop | "DISK_NAME": self.op.disk_name, |
3018 | a8083063 | Iustin Pop | } |
3019 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3020 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(), self.instance.primary_node, |
3021 | a8083063 | Iustin Pop | self.op.remote_node,] + list(self.instance.secondary_nodes) |
3022 | a8083063 | Iustin Pop | return env, nl, nl
|
3023 | a8083063 | Iustin Pop | |
3024 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3025 | a8083063 | Iustin Pop | """Check prerequisites.
|
3026 | a8083063 | Iustin Pop |
|
3027 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3028 | a8083063 | Iustin Pop |
|
3029 | a8083063 | Iustin Pop | """
|
3030 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3031 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3032 | a8083063 | Iustin Pop | if instance is None: |
3033 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3034 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3035 | a8083063 | Iustin Pop | self.instance = instance
|
3036 | a8083063 | Iustin Pop | |
3037 | a8083063 | Iustin Pop | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
3038 | a8083063 | Iustin Pop | if remote_node is None: |
3039 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % self.op.remote_node) |
3040 | a8083063 | Iustin Pop | self.remote_node = remote_node
|
3041 | a8083063 | Iustin Pop | |
3042 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3043 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3044 | 3ecf6786 | Iustin Pop | " the instance.")
|
3045 | a8083063 | Iustin Pop | |
3046 | a8083063 | Iustin Pop | if instance.disk_template != constants.DT_REMOTE_RAID1:
|
3047 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3048 | 3ecf6786 | Iustin Pop | " remote_raid1.")
|
3049 | a8083063 | Iustin Pop | for disk in instance.disks: |
3050 | a8083063 | Iustin Pop | if disk.iv_name == self.op.disk_name: |
3051 | a8083063 | Iustin Pop | break
|
3052 | a8083063 | Iustin Pop | else:
|
3053 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find this device ('%s') in the" |
3054 | 3ecf6786 | Iustin Pop | " instance." % self.op.disk_name) |
3055 | a8083063 | Iustin Pop | if len(disk.children) > 1: |
3056 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The device already has two slave" |
3057 | 3ecf6786 | Iustin Pop | " devices.\n"
|
3058 | 3ecf6786 | Iustin Pop | "This would create a 3-disk raid1"
|
3059 | 3ecf6786 | Iustin Pop | " which we don't allow.")
|
3060 | a8083063 | Iustin Pop | self.disk = disk
|
3061 | a8083063 | Iustin Pop | |
3062 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3063 | a8083063 | Iustin Pop | """Add the mirror component
|
3064 | a8083063 | Iustin Pop |
|
3065 | a8083063 | Iustin Pop | """
|
3066 | a8083063 | Iustin Pop | disk = self.disk
|
3067 | a8083063 | Iustin Pop | instance = self.instance
|
3068 | a8083063 | Iustin Pop | |
3069 | a8083063 | Iustin Pop | remote_node = self.remote_node
|
3070 | 923b1523 | Iustin Pop | lv_names = [".%s_%s" % (disk.iv_name, suf) for suf in ["data", "meta"]] |
3071 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(self.cfg, lv_names)
|
3072 | 923b1523 | Iustin Pop | new_drbd = _GenerateMDDRBDBranch(self.cfg, instance.primary_node,
|
3073 | 923b1523 | Iustin Pop | remote_node, disk.size, names) |
3074 | a8083063 | Iustin Pop | |
3075 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on secondary")
|
3076 | a8083063 | Iustin Pop | #HARDCODE
|
3077 | a0c3fea1 | Michael Hanselmann | if not _CreateBlockDevOnSecondary(self.cfg, remote_node, new_drbd, False, |
3078 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3079 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Failed to create new component on secondary" |
3080 | 3ecf6786 | Iustin Pop | " node %s" % remote_node)
|
3081 | a8083063 | Iustin Pop | |
3082 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on primary")
|
3083 | a8083063 | Iustin Pop | #HARDCODE
|
3084 | a0c3fea1 | Michael Hanselmann | if not _CreateBlockDevOnPrimary(self.cfg, instance.primary_node, new_drbd, |
3085 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3086 | a8083063 | Iustin Pop | # remove secondary dev
|
3087 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, remote_node)
|
3088 | a8083063 | Iustin Pop | rpc.call_blockdev_remove(remote_node, new_drbd) |
3089 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Failed to create volume on primary") |
3090 | a8083063 | Iustin Pop | |
3091 | a8083063 | Iustin Pop | # the device exists now
|
3092 | a8083063 | Iustin Pop | # call the primary node to add the mirror to md
|
3093 | a8083063 | Iustin Pop | logger.Info("adding new mirror component to md")
|
3094 | a8083063 | Iustin Pop | if not rpc.call_blockdev_addchild(instance.primary_node, |
3095 | a8083063 | Iustin Pop | disk, new_drbd): |
3096 | a8083063 | Iustin Pop | logger.Error("Can't add mirror compoment to md!")
|
3097 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, remote_node)
|
3098 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(remote_node, new_drbd): |
3099 | a8083063 | Iustin Pop | logger.Error("Can't rollback on secondary")
|
3100 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, instance.primary_node)
|
3101 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(instance.primary_node, new_drbd): |
3102 | a8083063 | Iustin Pop | logger.Error("Can't rollback on primary")
|
3103 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't add mirror component to md array") |
3104 | a8083063 | Iustin Pop | |
3105 | a8083063 | Iustin Pop | disk.children.append(new_drbd) |
3106 | a8083063 | Iustin Pop | |
3107 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
3108 | a8083063 | Iustin Pop | |
3109 | a8083063 | Iustin Pop | _WaitForSync(self.cfg, instance)
|
3110 | a8083063 | Iustin Pop | |
3111 | a8083063 | Iustin Pop | return 0 |
3112 | a8083063 | Iustin Pop | |
3113 | a8083063 | Iustin Pop | |
3114 | a8083063 | Iustin Pop | class LURemoveMDDRBDComponent(LogicalUnit): |
3115 | a8083063 | Iustin Pop | """Remove a component from a remote_raid1 disk.
|
3116 | a8083063 | Iustin Pop |
|
3117 | a8083063 | Iustin Pop | """
|
3118 | a8083063 | Iustin Pop | HPATH = "mirror-remove"
|
3119 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3120 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "disk_name", "disk_id"] |
3121 | a8083063 | Iustin Pop | |
3122 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3123 | a8083063 | Iustin Pop | """Build hooks env.
|
3124 | a8083063 | Iustin Pop |
|
3125 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3126 | a8083063 | Iustin Pop |
|
3127 | a8083063 | Iustin Pop | """
|
3128 | a8083063 | Iustin Pop | env = { |
3129 | a8083063 | Iustin Pop | "DISK_NAME": self.op.disk_name, |
3130 | a8083063 | Iustin Pop | "DISK_ID": self.op.disk_id, |
3131 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.old_secondary, |
3132 | a8083063 | Iustin Pop | } |
3133 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3134 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
3135 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
3136 | a8083063 | Iustin Pop | return env, nl, nl
|
3137 | a8083063 | Iustin Pop | |
3138 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3139 | a8083063 | Iustin Pop | """Check prerequisites.
|
3140 | a8083063 | Iustin Pop |
|
3141 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3142 | a8083063 | Iustin Pop |
|
3143 | a8083063 | Iustin Pop | """
|
3144 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3145 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3146 | a8083063 | Iustin Pop | if instance is None: |
3147 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3148 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3149 | a8083063 | Iustin Pop | self.instance = instance
|
3150 | a8083063 | Iustin Pop | |
3151 | a8083063 | Iustin Pop | if instance.disk_template != constants.DT_REMOTE_RAID1:
|
3152 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3153 | 3ecf6786 | Iustin Pop | " remote_raid1.")
|
3154 | a8083063 | Iustin Pop | for disk in instance.disks: |
3155 | a8083063 | Iustin Pop | if disk.iv_name == self.op.disk_name: |
3156 | a8083063 | Iustin Pop | break
|
3157 | a8083063 | Iustin Pop | else:
|
3158 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find this device ('%s') in the" |
3159 | 3ecf6786 | Iustin Pop | " instance." % self.op.disk_name) |
3160 | a8083063 | Iustin Pop | for child in disk.children: |
3161 | a8083063 | Iustin Pop | if child.dev_type == "drbd" and child.logical_id[2] == self.op.disk_id: |
3162 | a8083063 | Iustin Pop | break
|
3163 | a8083063 | Iustin Pop | else:
|
3164 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find the device with this port.") |
3165 | a8083063 | Iustin Pop | |
3166 | a8083063 | Iustin Pop | if len(disk.children) < 2: |
3167 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cannot remove the last component from" |
3168 | 3ecf6786 | Iustin Pop | " a mirror.")
|
3169 | a8083063 | Iustin Pop | self.disk = disk
|
3170 | a8083063 | Iustin Pop | self.child = child
|
3171 | a8083063 | Iustin Pop | if self.child.logical_id[0] == instance.primary_node: |
3172 | a8083063 | Iustin Pop | oid = 1
|
3173 | a8083063 | Iustin Pop | else:
|
3174 | a8083063 | Iustin Pop | oid = 0
|
3175 | a8083063 | Iustin Pop | self.old_secondary = self.child.logical_id[oid] |
3176 | a8083063 | Iustin Pop | |
3177 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3178 | a8083063 | Iustin Pop | """Remove the mirror component
|
3179 | a8083063 | Iustin Pop |
|
3180 | a8083063 | Iustin Pop | """
|
3181 | a8083063 | Iustin Pop | instance = self.instance
|
3182 | a8083063 | Iustin Pop | disk = self.disk
|
3183 | a8083063 | Iustin Pop | child = self.child
|
3184 | a8083063 | Iustin Pop | logger.Info("remove mirror component")
|
3185 | a8083063 | Iustin Pop | self.cfg.SetDiskID(disk, instance.primary_node)
|
3186 | a8083063 | Iustin Pop | if not rpc.call_blockdev_removechild(instance.primary_node, |
3187 | a8083063 | Iustin Pop | disk, child): |
3188 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't remove child from mirror.") |
3189 | a8083063 | Iustin Pop | |
3190 | a8083063 | Iustin Pop | for node in child.logical_id[:2]: |
3191 | a8083063 | Iustin Pop | self.cfg.SetDiskID(child, node)
|
3192 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, child): |
3193 | a8083063 | Iustin Pop | logger.Error("Warning: failed to remove device from node %s,"
|
3194 | a8083063 | Iustin Pop | " continuing operation." % node)
|
3195 | a8083063 | Iustin Pop | |
3196 | a8083063 | Iustin Pop | disk.children.remove(child) |
3197 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
3198 | a8083063 | Iustin Pop | |
3199 | a8083063 | Iustin Pop | |
3200 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
3201 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3202 | a8083063 | Iustin Pop |
|
3203 | a8083063 | Iustin Pop | """
|
3204 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
3205 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3206 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3207 | a8083063 | Iustin Pop | |
3208 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3209 | a8083063 | Iustin Pop | """Build hooks env.
|
3210 | a8083063 | Iustin Pop |
|
3211 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3212 | a8083063 | Iustin Pop |
|
3213 | a8083063 | Iustin Pop | """
|
3214 | a8083063 | Iustin Pop | env = { |
3215 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3216 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.instance.secondary_nodes[0], |
3217 | a8083063 | Iustin Pop | } |
3218 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3219 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
3220 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
3221 | a8083063 | Iustin Pop | return env, nl, nl
|
3222 | a8083063 | Iustin Pop | |
3223 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3224 | a8083063 | Iustin Pop | """Check prerequisites.
|
3225 | a8083063 | Iustin Pop |
|
3226 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3227 | a8083063 | Iustin Pop |
|
3228 | a8083063 | Iustin Pop | """
|
3229 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3230 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3231 | a8083063 | Iustin Pop | if instance is None: |
3232 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3233 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3234 | a8083063 | Iustin Pop | self.instance = instance
|
3235 | a8083063 | Iustin Pop | |
3236 | a8083063 | Iustin Pop | if instance.disk_template != constants.DT_REMOTE_RAID1:
|
3237 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3238 | 3ecf6786 | Iustin Pop | " remote_raid1.")
|
3239 | a8083063 | Iustin Pop | |
3240 | a8083063 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
3241 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
3242 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
3243 | 3ecf6786 | Iustin Pop | len(instance.secondary_nodes))
|
3244 | a8083063 | Iustin Pop | |
3245 | a8083063 | Iustin Pop | remote_node = getattr(self.op, "remote_node", None) |
3246 | a8083063 | Iustin Pop | if remote_node is None: |
3247 | a8083063 | Iustin Pop | remote_node = instance.secondary_nodes[0]
|
3248 | a8083063 | Iustin Pop | else:
|
3249 | a8083063 | Iustin Pop | remote_node = self.cfg.ExpandNodeName(remote_node)
|
3250 | a8083063 | Iustin Pop | if remote_node is None: |
3251 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % |
3252 | 3ecf6786 | Iustin Pop | self.op.remote_node)
|
3253 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3254 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3255 | 3ecf6786 | Iustin Pop | " the instance.")
|
3256 | a8083063 | Iustin Pop | self.op.remote_node = remote_node
|
3257 | a8083063 | Iustin Pop | |
3258 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3259 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3260 | a8083063 | Iustin Pop |
|
3261 | a8083063 | Iustin Pop | """
|
3262 | a8083063 | Iustin Pop | instance = self.instance
|
3263 | a8083063 | Iustin Pop | iv_names = {} |
3264 | a8083063 | Iustin Pop | # start of work
|
3265 | a8083063 | Iustin Pop | remote_node = self.op.remote_node
|
3266 | a8083063 | Iustin Pop | cfg = self.cfg
|
3267 | a8083063 | Iustin Pop | for dev in instance.disks: |
3268 | a8083063 | Iustin Pop | size = dev.size |
3269 | 923b1523 | Iustin Pop | lv_names = [".%s_%s" % (dev.iv_name, suf) for suf in ["data", "meta"]] |
3270 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, lv_names) |
3271 | 923b1523 | Iustin Pop | new_drbd = _GenerateMDDRBDBranch(cfg, instance.primary_node, |
3272 | 923b1523 | Iustin Pop | remote_node, size, names) |
3273 | a8083063 | Iustin Pop | iv_names[dev.iv_name] = (dev, dev.children[0], new_drbd)
|
3274 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on secondary for %s" %
|
3275 | a8083063 | Iustin Pop | dev.iv_name) |
3276 | a8083063 | Iustin Pop | #HARDCODE
|
3277 | a0c3fea1 | Michael Hanselmann | if not _CreateBlockDevOnSecondary(cfg, remote_node, new_drbd, False, |
3278 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3279 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Failed to create new component on" |
3280 | 3ecf6786 | Iustin Pop | " secondary node %s\n"
|
3281 | 3ecf6786 | Iustin Pop | "Full abort, cleanup manually!" %
|
3282 | 3ecf6786 | Iustin Pop | remote_node) |
3283 | a8083063 | Iustin Pop | |
3284 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on primary")
|
3285 | a8083063 | Iustin Pop | #HARDCODE
|
3286 | a0c3fea1 | Michael Hanselmann | if not _CreateBlockDevOnPrimary(cfg, instance.primary_node, new_drbd, |
3287 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3288 | a8083063 | Iustin Pop | # remove secondary dev
|
3289 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, remote_node) |
3290 | a8083063 | Iustin Pop | rpc.call_blockdev_remove(remote_node, new_drbd) |
3291 | a8083063 | Iustin Pop | raise errors.OpExecError("Failed to create volume on primary!\n" |
3292 | a8083063 | Iustin Pop | "Full abort, cleanup manually!!")
|
3293 | a8083063 | Iustin Pop | |
3294 | a8083063 | Iustin Pop | # the device exists now
|
3295 | a8083063 | Iustin Pop | # call the primary node to add the mirror to md
|
3296 | a8083063 | Iustin Pop | logger.Info("adding new mirror component to md")
|
3297 | a8083063 | Iustin Pop | if not rpc.call_blockdev_addchild(instance.primary_node, dev, |
3298 | 880478f8 | Iustin Pop | new_drbd): |
3299 | a8083063 | Iustin Pop | logger.Error("Can't add mirror compoment to md!")
|
3300 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, remote_node) |
3301 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(remote_node, new_drbd): |
3302 | a8083063 | Iustin Pop | logger.Error("Can't rollback on secondary")
|
3303 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, instance.primary_node) |
3304 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(instance.primary_node, new_drbd): |
3305 | a8083063 | Iustin Pop | logger.Error("Can't rollback on primary")
|
3306 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Full abort, cleanup manually!!") |
3307 | a8083063 | Iustin Pop | |
3308 | a8083063 | Iustin Pop | dev.children.append(new_drbd) |
3309 | a8083063 | Iustin Pop | cfg.AddInstance(instance) |
3310 | a8083063 | Iustin Pop | |
3311 | a8083063 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3312 | a8083063 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3313 | a8083063 | Iustin Pop | # return value
|
3314 | a8083063 | Iustin Pop | _WaitForSync(cfg, instance, unlock=True)
|
3315 | a8083063 | Iustin Pop | |
3316 | a8083063 | Iustin Pop | # so check manually all the devices
|
3317 | a8083063 | Iustin Pop | for name in iv_names: |
3318 | a8083063 | Iustin Pop | dev, child, new_drbd = iv_names[name] |
3319 | a8083063 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3320 | a8083063 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, dev)[5]
|
3321 | a8083063 | Iustin Pop | if is_degr:
|
3322 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("MD device %s is degraded!" % name) |
3323 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, instance.primary_node) |
3324 | a8083063 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, new_drbd)[5]
|
3325 | a8083063 | Iustin Pop | if is_degr:
|
3326 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("New drbd device %s is degraded!" % name) |
3327 | a8083063 | Iustin Pop | |
3328 | a8083063 | Iustin Pop | for name in iv_names: |
3329 | a8083063 | Iustin Pop | dev, child, new_drbd = iv_names[name] |
3330 | a8083063 | Iustin Pop | logger.Info("remove mirror %s component" % name)
|
3331 | a8083063 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3332 | a8083063 | Iustin Pop | if not rpc.call_blockdev_removechild(instance.primary_node, |
3333 | a8083063 | Iustin Pop | dev, child): |
3334 | a8083063 | Iustin Pop | logger.Error("Can't remove child from mirror, aborting"
|
3335 | a8083063 | Iustin Pop | " *this device cleanup*.\nYou need to cleanup manually!!")
|
3336 | a8083063 | Iustin Pop | continue
|
3337 | a8083063 | Iustin Pop | |
3338 | a8083063 | Iustin Pop | for node in child.logical_id[:2]: |
3339 | a8083063 | Iustin Pop | logger.Info("remove child device on %s" % node)
|
3340 | a8083063 | Iustin Pop | cfg.SetDiskID(child, node) |
3341 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, child): |
3342 | a8083063 | Iustin Pop | logger.Error("Warning: failed to remove device from node %s,"
|
3343 | a8083063 | Iustin Pop | " continuing operation." % node)
|
3344 | a8083063 | Iustin Pop | |
3345 | a8083063 | Iustin Pop | dev.children.remove(child) |
3346 | a8083063 | Iustin Pop | |
3347 | a8083063 | Iustin Pop | cfg.AddInstance(instance) |
3348 | a8083063 | Iustin Pop | |
3349 | a8083063 | Iustin Pop | |
3350 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
3351 | a8083063 | Iustin Pop | """Query runtime instance data.
|
3352 | a8083063 | Iustin Pop |
|
3353 | a8083063 | Iustin Pop | """
|
3354 | a8083063 | Iustin Pop | _OP_REQP = ["instances"]
|
3355 | a8083063 | Iustin Pop | |
3356 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3357 | a8083063 | Iustin Pop | """Check prerequisites.
|
3358 | a8083063 | Iustin Pop |
|
3359 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
3360 | a8083063 | Iustin Pop |
|
3361 | a8083063 | Iustin Pop | """
|
3362 | a8083063 | Iustin Pop | if not isinstance(self.op.instances, list): |
3363 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
3364 | a8083063 | Iustin Pop | if self.op.instances: |
3365 | a8083063 | Iustin Pop | self.wanted_instances = []
|
3366 | a8083063 | Iustin Pop | names = self.op.instances
|
3367 | a8083063 | Iustin Pop | for name in names: |
3368 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(self.cfg.ExpandInstanceName(name)) |
3369 | a8083063 | Iustin Pop | if instance is None: |
3370 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
3371 | a8083063 | Iustin Pop | self.wanted_instances.append(instance)
|
3372 | a8083063 | Iustin Pop | else:
|
3373 | a8083063 | Iustin Pop | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
3374 | a8083063 | Iustin Pop | in self.cfg.GetInstanceList()] |
3375 | a8083063 | Iustin Pop | return
|
3376 | a8083063 | Iustin Pop | |
3377 | a8083063 | Iustin Pop | |
3378 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
3379 | a8083063 | Iustin Pop | """Compute block device status.
|
3380 | a8083063 | Iustin Pop |
|
3381 | a8083063 | Iustin Pop | """
|
3382 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
3383 | a8083063 | Iustin Pop | dev_pstatus = rpc.call_blockdev_find(instance.primary_node, dev) |
3384 | a8083063 | Iustin Pop | if dev.dev_type == "drbd": |
3385 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
3386 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
3387 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
3388 | a8083063 | Iustin Pop | else:
|
3389 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
3390 | a8083063 | Iustin Pop | |
3391 | a8083063 | Iustin Pop | if snode:
|
3392 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
3393 | a8083063 | Iustin Pop | dev_sstatus = rpc.call_blockdev_find(snode, dev) |
3394 | a8083063 | Iustin Pop | else:
|
3395 | a8083063 | Iustin Pop | dev_sstatus = None
|
3396 | a8083063 | Iustin Pop | |
3397 | a8083063 | Iustin Pop | if dev.children:
|
3398 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
3399 | a8083063 | Iustin Pop | for child in dev.children] |
3400 | a8083063 | Iustin Pop | else:
|
3401 | a8083063 | Iustin Pop | dev_children = [] |
3402 | a8083063 | Iustin Pop | |
3403 | a8083063 | Iustin Pop | data = { |
3404 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
3405 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
3406 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
3407 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
3408 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
3409 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
3410 | a8083063 | Iustin Pop | "children": dev_children,
|
3411 | a8083063 | Iustin Pop | } |
3412 | a8083063 | Iustin Pop | |
3413 | a8083063 | Iustin Pop | return data
|
3414 | a8083063 | Iustin Pop | |
3415 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3416 | a8083063 | Iustin Pop | """Gather and return data"""
|
3417 | a8083063 | Iustin Pop | result = {} |
3418 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
3419 | a8083063 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, |
3420 | a8083063 | Iustin Pop | instance.name) |
3421 | a8083063 | Iustin Pop | if remote_info and "state" in remote_info: |
3422 | a8083063 | Iustin Pop | remote_state = "up"
|
3423 | a8083063 | Iustin Pop | else:
|
3424 | a8083063 | Iustin Pop | remote_state = "down"
|
3425 | a8083063 | Iustin Pop | if instance.status == "down": |
3426 | a8083063 | Iustin Pop | config_state = "down"
|
3427 | a8083063 | Iustin Pop | else:
|
3428 | a8083063 | Iustin Pop | config_state = "up"
|
3429 | a8083063 | Iustin Pop | |
3430 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
3431 | a8083063 | Iustin Pop | for device in instance.disks] |
3432 | a8083063 | Iustin Pop | |
3433 | a8083063 | Iustin Pop | idict = { |
3434 | a8083063 | Iustin Pop | "name": instance.name,
|
3435 | a8083063 | Iustin Pop | "config_state": config_state,
|
3436 | a8083063 | Iustin Pop | "run_state": remote_state,
|
3437 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
3438 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
3439 | a8083063 | Iustin Pop | "os": instance.os,
|
3440 | a8083063 | Iustin Pop | "memory": instance.memory,
|
3441 | a8083063 | Iustin Pop | "nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics], |
3442 | a8083063 | Iustin Pop | "disks": disks,
|
3443 | a8083063 | Iustin Pop | } |
3444 | a8083063 | Iustin Pop | |
3445 | a8083063 | Iustin Pop | result[instance.name] = idict |
3446 | a8083063 | Iustin Pop | |
3447 | a8083063 | Iustin Pop | return result
|
3448 | a8083063 | Iustin Pop | |
3449 | a8083063 | Iustin Pop | |
3450 | a8083063 | Iustin Pop | class LUSetInstanceParms(LogicalUnit): |
3451 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
3452 | a8083063 | Iustin Pop |
|
3453 | a8083063 | Iustin Pop | """
|
3454 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
3455 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3456 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3457 | a8083063 | Iustin Pop | |
3458 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3459 | a8083063 | Iustin Pop | """Build hooks env.
|
3460 | a8083063 | Iustin Pop |
|
3461 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
3462 | a8083063 | Iustin Pop |
|
3463 | a8083063 | Iustin Pop | """
|
3464 | 396e1b78 | Michael Hanselmann | args = dict()
|
3465 | a8083063 | Iustin Pop | if self.mem: |
3466 | 396e1b78 | Michael Hanselmann | args['memory'] = self.mem |
3467 | a8083063 | Iustin Pop | if self.vcpus: |
3468 | 396e1b78 | Michael Hanselmann | args['vcpus'] = self.vcpus |
3469 | 396e1b78 | Michael Hanselmann | if self.do_ip or self.do_bridge: |
3470 | 396e1b78 | Michael Hanselmann | if self.do_ip: |
3471 | 396e1b78 | Michael Hanselmann | ip = self.ip
|
3472 | 396e1b78 | Michael Hanselmann | else:
|
3473 | 396e1b78 | Michael Hanselmann | ip = self.instance.nics[0].ip |
3474 | 396e1b78 | Michael Hanselmann | if self.bridge: |
3475 | 396e1b78 | Michael Hanselmann | bridge = self.bridge
|
3476 | 396e1b78 | Michael Hanselmann | else:
|
3477 | 396e1b78 | Michael Hanselmann | bridge = self.instance.nics[0].bridge |
3478 | 396e1b78 | Michael Hanselmann | args['nics'] = [(ip, bridge)]
|
3479 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance, override=args)
|
3480 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
3481 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
3482 | a8083063 | Iustin Pop | return env, nl, nl
|
3483 | a8083063 | Iustin Pop | |
3484 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3485 | a8083063 | Iustin Pop | """Check prerequisites.
|
3486 | a8083063 | Iustin Pop |
|
3487 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
3488 | a8083063 | Iustin Pop |
|
3489 | a8083063 | Iustin Pop | """
|
3490 | a8083063 | Iustin Pop | self.mem = getattr(self.op, "mem", None) |
3491 | a8083063 | Iustin Pop | self.vcpus = getattr(self.op, "vcpus", None) |
3492 | a8083063 | Iustin Pop | self.ip = getattr(self.op, "ip", None) |
3493 | a8083063 | Iustin Pop | self.bridge = getattr(self.op, "bridge", None) |
3494 | a8083063 | Iustin Pop | if [self.mem, self.vcpus, self.ip, self.bridge].count(None) == 4: |
3495 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
3496 | a8083063 | Iustin Pop | if self.mem is not None: |
3497 | a8083063 | Iustin Pop | try:
|
3498 | a8083063 | Iustin Pop | self.mem = int(self.mem) |
3499 | a8083063 | Iustin Pop | except ValueError, err: |
3500 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid memory size: %s" % str(err)) |
3501 | a8083063 | Iustin Pop | if self.vcpus is not None: |
3502 | a8083063 | Iustin Pop | try:
|
3503 | a8083063 | Iustin Pop | self.vcpus = int(self.vcpus) |
3504 | a8083063 | Iustin Pop | except ValueError, err: |
3505 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid vcpus number: %s" % str(err)) |
3506 | a8083063 | Iustin Pop | if self.ip is not None: |
3507 | a8083063 | Iustin Pop | self.do_ip = True |
3508 | a8083063 | Iustin Pop | if self.ip.lower() == "none": |
3509 | a8083063 | Iustin Pop | self.ip = None |
3510 | a8083063 | Iustin Pop | else:
|
3511 | a8083063 | Iustin Pop | if not utils.IsValidIP(self.ip): |
3512 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'." % self.ip) |
3513 | a8083063 | Iustin Pop | else:
|
3514 | a8083063 | Iustin Pop | self.do_ip = False |
3515 | ecb215b5 | Michael Hanselmann | self.do_bridge = (self.bridge is not None) |
3516 | a8083063 | Iustin Pop | |
3517 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3518 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3519 | a8083063 | Iustin Pop | if instance is None: |
3520 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % |
3521 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3522 | a8083063 | Iustin Pop | self.op.instance_name = instance.name
|
3523 | a8083063 | Iustin Pop | self.instance = instance
|
3524 | a8083063 | Iustin Pop | return
|
3525 | a8083063 | Iustin Pop | |
3526 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3527 | a8083063 | Iustin Pop | """Modifies an instance.
|
3528 | a8083063 | Iustin Pop |
|
3529 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
3530 | a8083063 | Iustin Pop | """
|
3531 | a8083063 | Iustin Pop | result = [] |
3532 | a8083063 | Iustin Pop | instance = self.instance
|
3533 | a8083063 | Iustin Pop | if self.mem: |
3534 | a8083063 | Iustin Pop | instance.memory = self.mem
|
3535 | a8083063 | Iustin Pop | result.append(("mem", self.mem)) |
3536 | a8083063 | Iustin Pop | if self.vcpus: |
3537 | a8083063 | Iustin Pop | instance.vcpus = self.vcpus
|
3538 | a8083063 | Iustin Pop | result.append(("vcpus", self.vcpus)) |
3539 | a8083063 | Iustin Pop | if self.do_ip: |
3540 | a8083063 | Iustin Pop | instance.nics[0].ip = self.ip |
3541 | a8083063 | Iustin Pop | result.append(("ip", self.ip)) |
3542 | a8083063 | Iustin Pop | if self.bridge: |
3543 | a8083063 | Iustin Pop | instance.nics[0].bridge = self.bridge |
3544 | a8083063 | Iustin Pop | result.append(("bridge", self.bridge)) |
3545 | a8083063 | Iustin Pop | |
3546 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
3547 | a8083063 | Iustin Pop | |
3548 | a8083063 | Iustin Pop | return result
|
3549 | a8083063 | Iustin Pop | |
3550 | a8083063 | Iustin Pop | |
3551 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
3552 | a8083063 | Iustin Pop | """Query the exports list
|
3553 | a8083063 | Iustin Pop |
|
3554 | a8083063 | Iustin Pop | """
|
3555 | a8083063 | Iustin Pop | _OP_REQP = [] |
3556 | a8083063 | Iustin Pop | |
3557 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3558 | a8083063 | Iustin Pop | """Check that the nodelist contains only existing nodes.
|
3559 | a8083063 | Iustin Pop |
|
3560 | a8083063 | Iustin Pop | """
|
3561 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, getattr(self.op, "nodes", None)) |
3562 | a8083063 | Iustin Pop | |
3563 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3564 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
3565 | a8083063 | Iustin Pop |
|
3566 | a8083063 | Iustin Pop | Returns:
|
3567 | a8083063 | Iustin Pop | a dictionary with the structure node->(export-list)
|
3568 | a8083063 | Iustin Pop | where export-list is a list of the instances exported on
|
3569 | a8083063 | Iustin Pop | that node.
|
3570 | a8083063 | Iustin Pop |
|
3571 | a8083063 | Iustin Pop | """
|
3572 | a7ba5e53 | Iustin Pop | return rpc.call_export_list(self.nodes) |
3573 | a8083063 | Iustin Pop | |
3574 | a8083063 | Iustin Pop | |
3575 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
3576 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
3577 | a8083063 | Iustin Pop |
|
3578 | a8083063 | Iustin Pop | """
|
3579 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
3580 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3581 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
3582 | a8083063 | Iustin Pop | |
3583 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3584 | a8083063 | Iustin Pop | """Build hooks env.
|
3585 | a8083063 | Iustin Pop |
|
3586 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
3587 | a8083063 | Iustin Pop |
|
3588 | a8083063 | Iustin Pop | """
|
3589 | a8083063 | Iustin Pop | env = { |
3590 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
3591 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
3592 | a8083063 | Iustin Pop | } |
3593 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3594 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(), self.instance.primary_node, |
3595 | a8083063 | Iustin Pop | self.op.target_node]
|
3596 | a8083063 | Iustin Pop | return env, nl, nl
|
3597 | a8083063 | Iustin Pop | |
3598 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3599 | a8083063 | Iustin Pop | """Check prerequisites.
|
3600 | a8083063 | Iustin Pop |
|
3601 | a8083063 | Iustin Pop | This checks that the instance name is a valid one.
|
3602 | a8083063 | Iustin Pop |
|
3603 | a8083063 | Iustin Pop | """
|
3604 | a8083063 | Iustin Pop | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
3605 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
3606 | a8083063 | Iustin Pop | if self.instance is None: |
3607 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found" % |
3608 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3609 | a8083063 | Iustin Pop | |
3610 | a8083063 | Iustin Pop | # node verification
|
3611 | a8083063 | Iustin Pop | dst_node_short = self.cfg.ExpandNodeName(self.op.target_node) |
3612 | a8083063 | Iustin Pop | self.dst_node = self.cfg.GetNodeInfo(dst_node_short) |
3613 | a8083063 | Iustin Pop | |
3614 | a8083063 | Iustin Pop | if self.dst_node is None: |
3615 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Destination node '%s' is unknown." % |
3616 | 3ecf6786 | Iustin Pop | self.op.target_node)
|
3617 | a8083063 | Iustin Pop | self.op.target_node = self.dst_node.name |
3618 | a8083063 | Iustin Pop | |
3619 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3620 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
3621 | a8083063 | Iustin Pop |
|
3622 | a8083063 | Iustin Pop | """
|
3623 | a8083063 | Iustin Pop | instance = self.instance
|
3624 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
3625 | a8083063 | Iustin Pop | src_node = instance.primary_node |
3626 | a8083063 | Iustin Pop | # shutdown the instance, unless requested not to do so
|
3627 | a8083063 | Iustin Pop | if self.op.shutdown: |
3628 | a8083063 | Iustin Pop | op = opcodes.OpShutdownInstance(instance_name=instance.name) |
3629 | a8083063 | Iustin Pop | self.processor.ChainOpCode(op, feedback_fn)
|
3630 | a8083063 | Iustin Pop | |
3631 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3632 | a8083063 | Iustin Pop | |
3633 | a8083063 | Iustin Pop | snap_disks = [] |
3634 | a8083063 | Iustin Pop | |
3635 | a8083063 | Iustin Pop | try:
|
3636 | a8083063 | Iustin Pop | for disk in instance.disks: |
3637 | a8083063 | Iustin Pop | if disk.iv_name == "sda": |
3638 | a8083063 | Iustin Pop | # new_dev_name will be a snapshot of an lvm leaf of the one we passed
|
3639 | a8083063 | Iustin Pop | new_dev_name = rpc.call_blockdev_snapshot(src_node, disk) |
3640 | a8083063 | Iustin Pop | |
3641 | a8083063 | Iustin Pop | if not new_dev_name: |
3642 | a8083063 | Iustin Pop | logger.Error("could not snapshot block device %s on node %s" %
|
3643 | a8083063 | Iustin Pop | (disk.logical_id[1], src_node))
|
3644 | a8083063 | Iustin Pop | else:
|
3645 | a8083063 | Iustin Pop | new_dev = objects.Disk(dev_type="lvm", size=disk.size,
|
3646 | a8083063 | Iustin Pop | logical_id=(vgname, new_dev_name), |
3647 | a8083063 | Iustin Pop | physical_id=(vgname, new_dev_name), |
3648 | a8083063 | Iustin Pop | iv_name=disk.iv_name) |
3649 | a8083063 | Iustin Pop | snap_disks.append(new_dev) |
3650 | a8083063 | Iustin Pop | |
3651 | a8083063 | Iustin Pop | finally:
|
3652 | a8083063 | Iustin Pop | if self.op.shutdown: |
3653 | a8083063 | Iustin Pop | op = opcodes.OpStartupInstance(instance_name=instance.name, |
3654 | a8083063 | Iustin Pop | force=False)
|
3655 | a8083063 | Iustin Pop | self.processor.ChainOpCode(op, feedback_fn)
|
3656 | a8083063 | Iustin Pop | |
3657 | a8083063 | Iustin Pop | # TODO: check for size
|
3658 | a8083063 | Iustin Pop | |
3659 | a8083063 | Iustin Pop | for dev in snap_disks: |
3660 | a8083063 | Iustin Pop | if not rpc.call_snapshot_export(src_node, dev, dst_node.name, |
3661 | a8083063 | Iustin Pop | instance): |
3662 | a8083063 | Iustin Pop | logger.Error("could not export block device %s from node"
|
3663 | a8083063 | Iustin Pop | " %s to node %s" %
|
3664 | a8083063 | Iustin Pop | (dev.logical_id[1], src_node, dst_node.name))
|
3665 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(src_node, dev): |
3666 | a8083063 | Iustin Pop | logger.Error("could not remove snapshot block device %s from"
|
3667 | a8083063 | Iustin Pop | " node %s" % (dev.logical_id[1], src_node)) |
3668 | a8083063 | Iustin Pop | |
3669 | a8083063 | Iustin Pop | if not rpc.call_finalize_export(dst_node.name, instance, snap_disks): |
3670 | a8083063 | Iustin Pop | logger.Error("could not finalize export for instance %s on node %s" %
|
3671 | a8083063 | Iustin Pop | (instance.name, dst_node.name)) |
3672 | a8083063 | Iustin Pop | |
3673 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
3674 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
3675 | a8083063 | Iustin Pop | |
3676 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
3677 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
3678 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
3679 | a8083063 | Iustin Pop | if nodelist:
|
3680 | a8083063 | Iustin Pop | op = opcodes.OpQueryExports(nodes=nodelist) |
3681 | a8083063 | Iustin Pop | exportlist = self.processor.ChainOpCode(op, feedback_fn)
|
3682 | a8083063 | Iustin Pop | for node in exportlist: |
3683 | a8083063 | Iustin Pop | if instance.name in exportlist[node]: |
3684 | a8083063 | Iustin Pop | if not rpc.call_export_remove(node, instance.name): |
3685 | a8083063 | Iustin Pop | logger.Error("could not remove older export for instance %s"
|
3686 | a8083063 | Iustin Pop | " on node %s" % (instance.name, node))
|
3687 | 5c947f38 | Iustin Pop | |
3688 | 5c947f38 | Iustin Pop | |
3689 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
3690 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
3691 | 5c947f38 | Iustin Pop |
|
3692 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
3693 | 5c947f38 | Iustin Pop |
|
3694 | 5c947f38 | Iustin Pop | """
|
3695 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
3696 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
3697 | 5c947f38 | Iustin Pop |
|
3698 | 5c947f38 | Iustin Pop | """
|
3699 | 5c947f38 | Iustin Pop | if self.op.kind == constants.TAG_CLUSTER: |
3700 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetClusterInfo() |
3701 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_NODE: |
3702 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
3703 | 5c947f38 | Iustin Pop | if name is None: |
3704 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
3705 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
3706 | 5c947f38 | Iustin Pop | self.op.name = name
|
3707 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetNodeInfo(name) |
3708 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
3709 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandInstanceName(name)
|
3710 | 5c947f38 | Iustin Pop | if name is None: |
3711 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
3712 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
3713 | 5c947f38 | Iustin Pop | self.op.name = name
|
3714 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetInstanceInfo(name) |
3715 | 5c947f38 | Iustin Pop | else:
|
3716 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
3717 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
3718 | 5c947f38 | Iustin Pop | |
3719 | 5c947f38 | Iustin Pop | |
3720 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
3721 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
3722 | 5c947f38 | Iustin Pop |
|
3723 | 5c947f38 | Iustin Pop | """
|
3724 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
3725 | 5c947f38 | Iustin Pop | |
3726 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
3727 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
3728 | 5c947f38 | Iustin Pop |
|
3729 | 5c947f38 | Iustin Pop | """
|
3730 | 5c947f38 | Iustin Pop | return self.target.GetTags() |
3731 | 5c947f38 | Iustin Pop | |
3732 | 5c947f38 | Iustin Pop | |
3733 | 5c947f38 | Iustin Pop | class LUAddTag(TagsLU): |
3734 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
3735 | 5c947f38 | Iustin Pop |
|
3736 | 5c947f38 | Iustin Pop | """
|
3737 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name", "tag"] |
3738 | 5c947f38 | Iustin Pop | |
3739 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
3740 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
3741 | 5c947f38 | Iustin Pop |
|
3742 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
3743 | 5c947f38 | Iustin Pop |
|
3744 | 5c947f38 | Iustin Pop | """
|
3745 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
3746 | 5c947f38 | Iustin Pop | objects.TaggableObject.ValidateTag(self.op.tag)
|
3747 | 5c947f38 | Iustin Pop | |
3748 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
3749 | 5c947f38 | Iustin Pop | """Sets the tag.
|
3750 | 5c947f38 | Iustin Pop |
|
3751 | 5c947f38 | Iustin Pop | """
|
3752 | 5c947f38 | Iustin Pop | try:
|
3753 | 5c947f38 | Iustin Pop | self.target.AddTag(self.op.tag) |
3754 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
3755 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
3756 | 5c947f38 | Iustin Pop | try:
|
3757 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
3758 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
3759 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
3760 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
3761 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
3762 | 5c947f38 | Iustin Pop | |
3763 | 5c947f38 | Iustin Pop | |
3764 | 5c947f38 | Iustin Pop | class LUDelTag(TagsLU): |
3765 | 5c947f38 | Iustin Pop | """Delete a tag from a given object.
|
3766 | 5c947f38 | Iustin Pop |
|
3767 | 5c947f38 | Iustin Pop | """
|
3768 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name", "tag"] |
3769 | 5c947f38 | Iustin Pop | |
3770 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
3771 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
3772 | 5c947f38 | Iustin Pop |
|
3773 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
3774 | 5c947f38 | Iustin Pop |
|
3775 | 5c947f38 | Iustin Pop | """
|
3776 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
3777 | 5c947f38 | Iustin Pop | objects.TaggableObject.ValidateTag(self.op.tag)
|
3778 | 5c947f38 | Iustin Pop | if self.op.tag not in self.target.GetTags(): |
3779 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Tag not found") |
3780 | 5c947f38 | Iustin Pop | |
3781 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
3782 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
3783 | 5c947f38 | Iustin Pop |
|
3784 | 5c947f38 | Iustin Pop | """
|
3785 | 5c947f38 | Iustin Pop | self.target.RemoveTag(self.op.tag) |
3786 | 5c947f38 | Iustin Pop | try:
|
3787 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
3788 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
3789 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
3790 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
3791 | 3ecf6786 | Iustin Pop | " aborted. Please retry.") |