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
31 from ganeti.cli import *
32 from ganeti import opcodes
33 from ganeti import constants
34 from ganeti import errors
40 def PrintExportList(opts, args):
41 """Prints a list of all the exported system images.
43 @param opts: the command line options selected by the user
45 @param args: should be an empty list
47 @return: the desired exit code
50 exports = GetClient().QueryExports(opts.nodes, False)
53 ToStdout("Node: %s", node)
55 if isinstance(exports[node], list):
56 for instance_name in exports[node]:
57 ToStdout("\t%s", instance_name)
59 ToStdout(" Could not get exports list")
64 def ExportInstance(opts, args):
65 """Export an instance to an image in the cluster.
67 @param opts: the command line options selected by the user
69 @param args: should contain only one element, the name
70 of the instance to be exported
72 @return: the desired exit code
75 ignore_remove_failures = opts.ignore_remove_failures
78 raise errors.OpPrereqError("Target node must be specified",
81 op = opcodes.OpExportInstance(instance_name=args[0],
82 target_node=opts.node,
83 shutdown=opts.shutdown,
84 shutdown_timeout=opts.shutdown_timeout,
85 remove_instance=opts.remove_instance,
86 ignore_remove_failures=ignore_remove_failures)
88 SubmitOpCode(op, opts=opts)
92 def ImportInstance(opts, args):
93 """Add an instance to the cluster.
95 This is just a wrapper over GenericInstanceCreate.
98 return GenericInstanceCreate(constants.INSTANCE_IMPORT, opts, args)
101 def RemoveExport(opts, args):
102 """Remove an export from the cluster.
104 @param opts: the command line options selected by the user
106 @param args: should contain only one element, the name of the
107 instance whose backup should be removed
109 @return: the desired exit code
112 op = opcodes.OpRemoveExport(instance_name=args[0])
114 SubmitOpCode(op, opts=opts)
118 # this is defined separately due to readability only
124 FILESTORE_DRIVER_OPT,
127 IDENTIFY_DEFAULTS_OPT,
145 PrintExportList, ARGS_NONE,
147 "", "Lists instance exports available in the ganeti cluster"),
149 ExportInstance, ARGS_ONE_INSTANCE,
150 [FORCE_OPT, SINGLE_NODE_OPT, NOSHUTDOWN_OPT, SHUTDOWN_TIMEOUT_OPT,
151 REMOVE_INSTANCE_OPT, IGNORE_REMOVE_FAILURES_OPT, DRY_RUN_OPT],
152 "-n <target_node> [opts...] <name>",
153 "Exports an instance to an image"),
155 ImportInstance, ARGS_ONE_INSTANCE, import_opts,
156 "[...] -t disk-type -n node[:secondary-node] <name>",
157 "Imports an instance from an exported image"),
159 RemoveExport, [ArgUnknown(min=1, max=1)], [DRY_RUN_OPT],
160 "<name>", "Remove exports of named instance from the filesystem."),
164 if __name__ == '__main__':
165 sys.exit(GenericMain(commands))