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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 | a8083063 | Iustin Pop | """OpCodes module
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23 | a8083063 | Iustin Pop |
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24 | a8083063 | Iustin Pop | This module implements the data structures which define the cluster
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25 | a8083063 | Iustin Pop | operations - the so-called opcodes.
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26 | a8083063 | Iustin Pop |
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27 | a8083063 | Iustin Pop |
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28 | a8083063 | Iustin Pop | This module implements the logic for doing operations in the cluster. There
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29 | a8083063 | Iustin Pop | are two kinds of classes defined:
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30 | a8083063 | Iustin Pop | - opcodes, which are small classes only holding data for the task at hand
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31 | a8083063 | Iustin Pop | - logical units, which know how to deal with their specific opcode only
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32 | a8083063 | Iustin Pop |
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33 | a8083063 | Iustin Pop | """
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34 | a8083063 | Iustin Pop | |
35 | a8083063 | Iustin Pop | # this are practically structures, so disable the message about too
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36 | a8083063 | Iustin Pop | # few public methods:
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37 | a8083063 | Iustin Pop | # pylint: disable-msg=R0903
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38 | a8083063 | Iustin Pop | |
39 | a8083063 | Iustin Pop | class OpCode(object): |
40 | a8083063 | Iustin Pop | """Abstract OpCode"""
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41 | a8083063 | Iustin Pop | OP_ID = "OP_ABSTRACT"
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42 | a8083063 | Iustin Pop | __slots__ = [] |
43 | a8083063 | Iustin Pop | |
44 | a8083063 | Iustin Pop | def __init__(self, **kwargs): |
45 | a8083063 | Iustin Pop | for key in kwargs: |
46 | a8083063 | Iustin Pop | if key not in self.__slots__: |
47 | 3ecf6786 | Iustin Pop | raise TypeError("OpCode %s doesn't support the parameter '%s'" % |
48 | 3ecf6786 | Iustin Pop | (self.__class__.__name__, key))
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49 | a8083063 | Iustin Pop | setattr(self, key, kwargs[key]) |
50 | a8083063 | Iustin Pop | |
51 | a8083063 | Iustin Pop | |
52 | a8083063 | Iustin Pop | class OpInitCluster(OpCode): |
53 | a8083063 | Iustin Pop | """Initialise the cluster."""
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54 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_INIT"
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55 | a8083063 | Iustin Pop | __slots__ = ["cluster_name", "secondary_ip", "hypervisor_type", |
56 | 1322c697 | Manuel Franceschini | "vg_name", "mac_prefix", "def_bridge", "master_netdev", |
57 | 1322c697 | Manuel Franceschini | "file_storage_dir"]
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58 | a8083063 | Iustin Pop | |
59 | a8083063 | Iustin Pop | |
60 | a8083063 | Iustin Pop | class OpDestroyCluster(OpCode): |
61 | a8083063 | Iustin Pop | """Destroy the cluster."""
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62 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_DESTROY"
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63 | a8083063 | Iustin Pop | __slots__ = [] |
64 | a8083063 | Iustin Pop | |
65 | a8083063 | Iustin Pop | |
66 | a8083063 | Iustin Pop | class OpQueryClusterInfo(OpCode): |
67 | fdc267f4 | Iustin Pop | """Query cluster information."""
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68 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_QUERY"
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69 | a8083063 | Iustin Pop | __slots__ = [] |
70 | a8083063 | Iustin Pop | |
71 | a8083063 | Iustin Pop | |
72 | a8083063 | Iustin Pop | class OpClusterCopyFile(OpCode): |
73 | fdc267f4 | Iustin Pop | """Copy a file to multiple nodes."""
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74 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_COPYFILE"
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75 | a8083063 | Iustin Pop | __slots__ = ["nodes", "filename"] |
76 | a8083063 | Iustin Pop | |
77 | a8083063 | Iustin Pop | |
78 | a8083063 | Iustin Pop | class OpRunClusterCommand(OpCode): |
79 | fdc267f4 | Iustin Pop | """Run a command on multiple nodes."""
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80 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_RUNCOMMAND"
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81 | a8083063 | Iustin Pop | __slots__ = ["nodes", "command"] |
82 | a8083063 | Iustin Pop | |
83 | a8083063 | Iustin Pop | |
84 | a8083063 | Iustin Pop | class OpVerifyCluster(OpCode): |
85 | fdc267f4 | Iustin Pop | """Verify the cluster state."""
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86 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_VERIFY"
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87 | a8083063 | Iustin Pop | __slots__ = [] |
88 | a8083063 | Iustin Pop | |
89 | a8083063 | Iustin Pop | |
90 | 150e978f | Iustin Pop | class OpVerifyDisks(OpCode): |
91 | 150e978f | Iustin Pop | """Verify the cluster disks.
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92 | 150e978f | Iustin Pop |
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93 | 150e978f | Iustin Pop | Parameters: none
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94 | 150e978f | Iustin Pop |
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95 | 150e978f | Iustin Pop | Result: two lists:
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96 | 150e978f | Iustin Pop | - list of node names with bad data returned (unreachable, etc.)
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97 | b63ed789 | Iustin Pop | - dist of node names with broken volume groups (values: error msg)
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98 | 150e978f | Iustin Pop | - list of instances with degraded disks (that should be activated)
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99 | b63ed789 | Iustin Pop | - dict of instances with missing logical volumes (values: (node, vol)
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100 | b63ed789 | Iustin Pop | pairs with details about the missing volumes)
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101 | 150e978f | Iustin Pop |
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102 | b63ed789 | Iustin Pop | In normal operation, all lists should be empty. A non-empty instance
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103 | b63ed789 | Iustin Pop | list (3rd element of the result) is still ok (errors were fixed) but
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104 | b63ed789 | Iustin Pop | non-empty node list means some node is down, and probably there are
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105 | b63ed789 | Iustin Pop | unfixable drbd errors.
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106 | 150e978f | Iustin Pop |
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107 | 150e978f | Iustin Pop | Note that only instances that are drbd-based are taken into
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108 | 150e978f | Iustin Pop | consideration. This might need to be revisited in the future.
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109 | 150e978f | Iustin Pop |
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110 | 150e978f | Iustin Pop | """
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111 | 150e978f | Iustin Pop | OP_ID = "OP_CLUSTER_VERIFY_DISKS"
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112 | 150e978f | Iustin Pop | __slots__ = [] |
113 | 150e978f | Iustin Pop | |
114 | 150e978f | Iustin Pop | |
115 | a8083063 | Iustin Pop | class OpMasterFailover(OpCode): |
116 | fdc267f4 | Iustin Pop | """Do a master failover."""
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117 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_MASTERFAILOVER"
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118 | a8083063 | Iustin Pop | __slots__ = [] |
119 | a8083063 | Iustin Pop | |
120 | a8083063 | Iustin Pop | |
121 | a8083063 | Iustin Pop | class OpDumpClusterConfig(OpCode): |
122 | fdc267f4 | Iustin Pop | """Dump the cluster configuration."""
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123 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_DUMPCONFIG"
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124 | a8083063 | Iustin Pop | __slots__ = [] |
125 | a8083063 | Iustin Pop | |
126 | a8083063 | Iustin Pop | |
127 | 07bd8a51 | Iustin Pop | class OpRenameCluster(OpCode): |
128 | 07bd8a51 | Iustin Pop | """Rename the cluster."""
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129 | 07bd8a51 | Iustin Pop | OP_ID = "OP_CLUSTER_RENAME"
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130 | 07bd8a51 | Iustin Pop | __slots__ = ["name"]
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131 | 07bd8a51 | Iustin Pop | |
132 | 07bd8a51 | Iustin Pop | |
133 | 07bd8a51 | Iustin Pop | # node opcodes
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134 | 07bd8a51 | Iustin Pop | |
135 | a8083063 | Iustin Pop | class OpRemoveNode(OpCode): |
136 | a8083063 | Iustin Pop | """Remove a node."""
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137 | a8083063 | Iustin Pop | OP_ID = "OP_NODE_REMOVE"
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138 | a8083063 | Iustin Pop | __slots__ = ["node_name"]
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139 | a8083063 | Iustin Pop | |
140 | a8083063 | Iustin Pop | |
141 | a8083063 | Iustin Pop | class OpAddNode(OpCode): |
142 | a8083063 | Iustin Pop | """Add a node."""
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143 | a8083063 | Iustin Pop | OP_ID = "OP_NODE_ADD"
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144 | a8083063 | Iustin Pop | __slots__ = ["node_name", "primary_ip", "secondary_ip"] |
145 | a8083063 | Iustin Pop | |
146 | a8083063 | Iustin Pop | |
147 | a8083063 | Iustin Pop | class OpQueryNodes(OpCode): |
148 | a8083063 | Iustin Pop | """Compute the list of nodes."""
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149 | a8083063 | Iustin Pop | OP_ID = "OP_NODE_QUERY"
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150 | 246e180a | Iustin Pop | __slots__ = ["output_fields", "names"] |
151 | a8083063 | Iustin Pop | |
152 | a8083063 | Iustin Pop | |
153 | dcb93971 | Michael Hanselmann | class OpQueryNodeVolumes(OpCode): |
154 | dcb93971 | Michael Hanselmann | """Get list of volumes on node."""
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155 | dcb93971 | Michael Hanselmann | OP_ID = "OP_NODE_QUERYVOLS"
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156 | dcb93971 | Michael Hanselmann | __slots__ = ["nodes", "output_fields"] |
157 | dcb93971 | Michael Hanselmann | |
158 | dcb93971 | Michael Hanselmann | |
159 | a8083063 | Iustin Pop | # instance opcodes
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160 | a8083063 | Iustin Pop | |
161 | a8083063 | Iustin Pop | class OpCreateInstance(OpCode): |
162 | fdc267f4 | Iustin Pop | """Create an instance."""
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163 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_CREATE"
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164 | 3b6d8c9b | Iustin Pop | __slots__ = [ |
165 | 3b6d8c9b | Iustin Pop | "instance_name", "mem_size", "disk_size", "os_type", "pnode", |
166 | 3b6d8c9b | Iustin Pop | "disk_template", "snode", "swap_size", "mode", |
167 | 3b6d8c9b | Iustin Pop | "vcpus", "ip", "bridge", "src_node", "src_path", "start", |
168 | 3b6d8c9b | Iustin Pop | "wait_for_sync", "ip_check", "mac", |
169 | 25c5878d | Alexander Schreiber | "kernel_path", "initrd_path", "hvm_boot_order", |
170 | 3b6d8c9b | Iustin Pop | ] |
171 | a8083063 | Iustin Pop | |
172 | a8083063 | Iustin Pop | |
173 | fe7b0351 | Michael Hanselmann | class OpReinstallInstance(OpCode): |
174 | fdc267f4 | Iustin Pop | """Reinstall an instance's OS."""
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175 | fe7b0351 | Michael Hanselmann | OP_ID = "OP_INSTANCE_REINSTALL"
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176 | d0834de3 | Michael Hanselmann | __slots__ = ["instance_name", "os_type"] |
177 | fe7b0351 | Michael Hanselmann | |
178 | fe7b0351 | Michael Hanselmann | |
179 | a8083063 | Iustin Pop | class OpRemoveInstance(OpCode): |
180 | a8083063 | Iustin Pop | """Remove an instance."""
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181 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_REMOVE"
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182 | 1d67656e | Iustin Pop | __slots__ = ["instance_name", "ignore_failures"] |
183 | a8083063 | Iustin Pop | |
184 | a8083063 | Iustin Pop | |
185 | decd5f45 | Iustin Pop | class OpRenameInstance(OpCode): |
186 | decd5f45 | Iustin Pop | """Rename an instance."""
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187 | decd5f45 | Iustin Pop | OP_ID = "OP_INSTANCE_RENAME"
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188 | decd5f45 | Iustin Pop | __slots__ = ["instance_name", "ignore_ip", "new_name"] |
189 | decd5f45 | Iustin Pop | |
190 | decd5f45 | Iustin Pop | |
191 | a8083063 | Iustin Pop | class OpStartupInstance(OpCode): |
192 | fdc267f4 | Iustin Pop | """Startup an instance."""
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193 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_STARTUP"
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194 | a8083063 | Iustin Pop | __slots__ = ["instance_name", "force", "extra_args"] |
195 | a8083063 | Iustin Pop | |
196 | a8083063 | Iustin Pop | |
197 | a8083063 | Iustin Pop | class OpShutdownInstance(OpCode): |
198 | fdc267f4 | Iustin Pop | """Shutdown an instance."""
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199 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_SHUTDOWN"
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200 | a8083063 | Iustin Pop | __slots__ = ["instance_name"]
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201 | a8083063 | Iustin Pop | |
202 | a8083063 | Iustin Pop | |
203 | bf6929a2 | Alexander Schreiber | class OpRebootInstance(OpCode): |
204 | bf6929a2 | Alexander Schreiber | """Reboot an instance."""
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205 | eeb3a5f9 | Iustin Pop | OP_ID = "OP_INSTANCE_REBOOT"
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206 | bf6929a2 | Alexander Schreiber | __slots__ = ["instance_name", "reboot_type", "extra_args", |
207 | bf6929a2 | Alexander Schreiber | "ignore_secondaries" ]
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208 | bf6929a2 | Alexander Schreiber | |
209 | bf6929a2 | Alexander Schreiber | |
210 | a8083063 | Iustin Pop | class OpAddMDDRBDComponent(OpCode): |
211 | a8083063 | Iustin Pop | """Add a MD-DRBD component."""
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212 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_ADD_MDDRBD"
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213 | a8083063 | Iustin Pop | __slots__ = ["instance_name", "remote_node", "disk_name"] |
214 | a8083063 | Iustin Pop | |
215 | a8083063 | Iustin Pop | |
216 | a8083063 | Iustin Pop | class OpRemoveMDDRBDComponent(OpCode): |
217 | a8083063 | Iustin Pop | """Remove a MD-DRBD component."""
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218 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_REMOVE_MDDRBD"
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219 | a8083063 | Iustin Pop | __slots__ = ["instance_name", "disk_name", "disk_id"] |
220 | a8083063 | Iustin Pop | |
221 | a8083063 | Iustin Pop | |
222 | a8083063 | Iustin Pop | class OpReplaceDisks(OpCode): |
223 | fdc267f4 | Iustin Pop | """Replace the disks of an instance."""
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224 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_REPLACE_DISKS"
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225 | a9e0c397 | Iustin Pop | __slots__ = ["instance_name", "remote_node", "mode", "disks"] |
226 | a8083063 | Iustin Pop | |
227 | a8083063 | Iustin Pop | |
228 | a8083063 | Iustin Pop | class OpFailoverInstance(OpCode): |
229 | a8083063 | Iustin Pop | """Failover an instance."""
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230 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_FAILOVER"
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231 | a8083063 | Iustin Pop | __slots__ = ["instance_name", "ignore_consistency"] |
232 | a8083063 | Iustin Pop | |
233 | a8083063 | Iustin Pop | |
234 | a8083063 | Iustin Pop | class OpConnectConsole(OpCode): |
235 | fdc267f4 | Iustin Pop | """Connect to an instance's console."""
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236 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_CONSOLE"
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237 | a8083063 | Iustin Pop | __slots__ = ["instance_name"]
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238 | a8083063 | Iustin Pop | |
239 | a8083063 | Iustin Pop | |
240 | a8083063 | Iustin Pop | class OpActivateInstanceDisks(OpCode): |
241 | fdc267f4 | Iustin Pop | """Activate an instance's disks."""
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242 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_ACTIVATE_DISKS"
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243 | a8083063 | Iustin Pop | __slots__ = ["instance_name"]
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244 | a8083063 | Iustin Pop | |
245 | a8083063 | Iustin Pop | |
246 | a8083063 | Iustin Pop | class OpDeactivateInstanceDisks(OpCode): |
247 | fdc267f4 | Iustin Pop | """Deactivate an instance's disks."""
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248 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_DEACTIVATE_DISKS"
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249 | a8083063 | Iustin Pop | __slots__ = ["instance_name"]
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250 | a8083063 | Iustin Pop | |
251 | a8083063 | Iustin Pop | |
252 | a8083063 | Iustin Pop | class OpQueryInstances(OpCode): |
253 | a8083063 | Iustin Pop | """Compute the list of instances."""
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254 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_QUERY"
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255 | 069dcc86 | Iustin Pop | __slots__ = ["output_fields", "names"] |
256 | a8083063 | Iustin Pop | |
257 | a8083063 | Iustin Pop | |
258 | a8083063 | Iustin Pop | class OpQueryInstanceData(OpCode): |
259 | a8083063 | Iustin Pop | """Compute the run-time status of instances."""
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260 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_QUERY_DATA"
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261 | a8083063 | Iustin Pop | __slots__ = ["instances"]
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262 | a8083063 | Iustin Pop | |
263 | a8083063 | Iustin Pop | |
264 | a8083063 | Iustin Pop | class OpSetInstanceParms(OpCode): |
265 | a8083063 | Iustin Pop | """Change the parameters of an instance."""
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266 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_SET_PARMS"
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267 | 973d7867 | Iustin Pop | __slots__ = [ |
268 | 973d7867 | Iustin Pop | "instance_name", "mem", "vcpus", "ip", "bridge", "mac", |
269 | 25c5878d | Alexander Schreiber | "kernel_path", "initrd_path", "hvm_boot_order", |
270 | 973d7867 | Iustin Pop | ] |
271 | a8083063 | Iustin Pop | |
272 | a8083063 | Iustin Pop | |
273 | a8083063 | Iustin Pop | # OS opcodes
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274 | a8083063 | Iustin Pop | class OpDiagnoseOS(OpCode): |
275 | a8083063 | Iustin Pop | """Compute the list of guest operating systems."""
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276 | a8083063 | Iustin Pop | OP_ID = "OP_OS_DIAGNOSE"
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277 | a8083063 | Iustin Pop | __slots__ = [] |
278 | a8083063 | Iustin Pop | |
279 | 7c0d6283 | Michael Hanselmann | |
280 | a8083063 | Iustin Pop | # Exports opcodes
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281 | a8083063 | Iustin Pop | class OpQueryExports(OpCode): |
282 | a8083063 | Iustin Pop | """Compute the list of exported images."""
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283 | a8083063 | Iustin Pop | OP_ID = "OP_BACKUP_QUERY"
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284 | a8083063 | Iustin Pop | __slots__ = ["nodes"]
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285 | a8083063 | Iustin Pop | |
286 | 7c0d6283 | Michael Hanselmann | |
287 | a8083063 | Iustin Pop | class OpExportInstance(OpCode): |
288 | a8083063 | Iustin Pop | """Export an instance."""
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289 | a8083063 | Iustin Pop | OP_ID = "OP_BACKUP_EXPORT"
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290 | a8083063 | Iustin Pop | __slots__ = ["instance_name", "target_node", "shutdown"] |
291 | 5c947f38 | Iustin Pop | |
292 | 5c947f38 | Iustin Pop | |
293 | 5c947f38 | Iustin Pop | # Tags opcodes
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294 | 5c947f38 | Iustin Pop | class OpGetTags(OpCode): |
295 | 5c947f38 | Iustin Pop | """Returns the tags of the given object."""
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296 | 5c947f38 | Iustin Pop | OP_ID = "OP_TAGS_GET"
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297 | 5c947f38 | Iustin Pop | __slots__ = ["kind", "name"] |
298 | 5c947f38 | Iustin Pop | |
299 | 5c947f38 | Iustin Pop | |
300 | 73415719 | Iustin Pop | class OpSearchTags(OpCode): |
301 | 73415719 | Iustin Pop | """Searches the tags in the cluster for a given pattern."""
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302 | 73415719 | Iustin Pop | OP_ID = "OP_TAGS_SEARCH"
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303 | 73415719 | Iustin Pop | __slots__ = ["pattern"]
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304 | 73415719 | Iustin Pop | |
305 | 73415719 | Iustin Pop | |
306 | f27302fa | Iustin Pop | class OpAddTags(OpCode): |
307 | f27302fa | Iustin Pop | """Add a list of tags on a given object."""
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308 | 5c947f38 | Iustin Pop | OP_ID = "OP_TAGS_SET"
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309 | f27302fa | Iustin Pop | __slots__ = ["kind", "name", "tags"] |
310 | 5c947f38 | Iustin Pop | |
311 | 5c947f38 | Iustin Pop | |
312 | f27302fa | Iustin Pop | class OpDelTags(OpCode): |
313 | f27302fa | Iustin Pop | """Remove a list of tags from a given object."""
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314 | 5c947f38 | Iustin Pop | OP_ID = "OP_TAGS_DEL"
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315 | f27302fa | Iustin Pop | __slots__ = ["kind", "name", "tags"] |
316 | 06009e27 | Iustin Pop | |
317 | 06009e27 | Iustin Pop | |
318 | 06009e27 | Iustin Pop | # Test opcodes
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319 | 06009e27 | Iustin Pop | class OpTestDelay(OpCode): |
320 | 06009e27 | Iustin Pop | """Sleeps for a configured amount of time.
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321 | 06009e27 | Iustin Pop |
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322 | 06009e27 | Iustin Pop | This is used just for debugging and testing.
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323 | 06009e27 | Iustin Pop |
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324 | 06009e27 | Iustin Pop | Parameters:
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325 | 06009e27 | Iustin Pop | - duration: the time to sleep
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326 | 06009e27 | Iustin Pop | - on_master: if true, sleep on the master
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327 | 06009e27 | Iustin Pop | - on_nodes: list of nodes in which to sleep
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328 | 06009e27 | Iustin Pop |
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329 | 06009e27 | Iustin Pop | If the on_master parameter is true, it will execute a sleep on the
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330 | 06009e27 | Iustin Pop | master (before any node sleep).
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331 | 06009e27 | Iustin Pop |
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332 | 06009e27 | Iustin Pop | If the on_nodes list is not empty, it will sleep on those nodes
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333 | 06009e27 | Iustin Pop | (after the sleep on the master, if that is enabled).
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334 | 06009e27 | Iustin Pop |
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335 | 06009e27 | Iustin Pop | As an additional feature, the case of duration < 0 will be reported
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336 | 06009e27 | Iustin Pop | as an execution error, so this opcode can be used as a failure
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337 | 06009e27 | Iustin Pop | generator. The case of duration == 0 will not be treated specially.
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338 | 06009e27 | Iustin Pop |
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339 | 06009e27 | Iustin Pop | """
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340 | 06009e27 | Iustin Pop | OP_ID = "OP_TEST_DELAY"
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341 | 06009e27 | Iustin Pop | __slots__ = ["duration", "on_master", "on_nodes"] |