4 # Copyright (C) 2006, 2007, 2010 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 """Backup related commands"""
23 # pylint: disable-msg=W0401,W0613,W0614,C0103
24 # W0401: Wildcard import ganeti.cli
25 # W0613: Unused argument, since all functions follow the same API
26 # W0614: Unused import %s from wildcard import (since we need cli)
27 # C0103: Invalid name gnt-backup
29 from ganeti.cli import *
30 from ganeti import opcodes
31 from ganeti import constants
32 from ganeti import errors
38 def PrintExportList(opts, args):
39 """Prints a list of all the exported system images.
41 @param opts: the command line options selected by the user
43 @param args: should be an empty list
45 @return: the desired exit code
48 exports = GetClient().QueryExports(opts.nodes, False)
51 ToStdout("Node: %s", node)
53 if isinstance(exports[node], list):
54 for instance_name in exports[node]:
55 ToStdout("\t%s", instance_name)
57 ToStdout(" Could not get exports list")
62 def ExportInstance(opts, args):
63 """Export an instance to an image in the cluster.
65 @param opts: the command line options selected by the user
67 @param args: should contain only one element, the name
68 of the instance to be exported
70 @return: the desired exit code
73 ignore_remove_failures = opts.ignore_remove_failures
76 raise errors.OpPrereqError("Target node must be specified",
79 op = opcodes.OpExportInstance(instance_name=args[0],
80 target_node=opts.node,
81 shutdown=opts.shutdown,
82 shutdown_timeout=opts.shutdown_timeout,
83 remove_instance=opts.remove_instance,
84 ignore_remove_failures=ignore_remove_failures)
86 SubmitOpCode(op, opts=opts)
90 def ImportInstance(opts, args):
91 """Add an instance to the cluster.
93 This is just a wrapper over GenericInstanceCreate.
96 return GenericInstanceCreate(constants.INSTANCE_IMPORT, opts, args)
99 def RemoveExport(opts, args):
100 """Remove an export from the cluster.
102 @param opts: the command line options selected by the user
104 @param args: should contain only one element, the name of the
105 instance whose backup should be removed
107 @return: the desired exit code
110 op = opcodes.OpRemoveExport(instance_name=args[0])
112 SubmitOpCode(op, opts=opts)
116 # this is defined separately due to readability only
118 IDENTIFY_DEFAULTS_OPT,
126 PrintExportList, ARGS_NONE,
128 "", "Lists instance exports available in the ganeti cluster"),
130 ExportInstance, ARGS_ONE_INSTANCE,
131 [FORCE_OPT, SINGLE_NODE_OPT, NOSHUTDOWN_OPT, SHUTDOWN_TIMEOUT_OPT,
132 REMOVE_INSTANCE_OPT, IGNORE_REMOVE_FAILURES_OPT, DRY_RUN_OPT,
134 "-n <target_node> [opts...] <name>",
135 "Exports an instance to an image"),
137 ImportInstance, ARGS_ONE_INSTANCE, COMMON_CREATE_OPTS + import_opts,
138 "[...] -t disk-type -n node[:secondary-node] <name>",
139 "Imports an instance from an exported image"),
141 RemoveExport, [ArgUnknown(min=1, max=1)], [DRY_RUN_OPT, PRIORITY_OPT],
142 "<name>", "Remove exports of named instance from the filesystem."),
147 return GenericMain(commands)