4 # Copyright (C) 2006, 2007, 2010, 2011 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=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
35 def PrintExportList(opts, args):
36 """Prints a list of all the exported system images.
38 @param opts: the command line options selected by the user
40 @param args: should be an empty list
42 @return: the desired exit code
45 exports = GetClient().QueryExports(opts.nodes, False)
48 ToStdout("Node: %s", node)
50 if isinstance(exports[node], list):
51 for instance_name in exports[node]:
52 ToStdout("\t%s", instance_name)
54 ToStdout(" Could not get exports list")
59 def ExportInstance(opts, args):
60 """Export an instance to an image in the cluster.
62 @param opts: the command line options selected by the user
64 @param args: should contain only one element, the name
65 of the instance to be exported
67 @return: the desired exit code
70 ignore_remove_failures = opts.ignore_remove_failures
73 raise errors.OpPrereqError("Target node must be specified",
76 op = opcodes.OpBackupExport(instance_name=args[0],
77 target_node=opts.node,
78 shutdown=opts.shutdown,
79 shutdown_timeout=opts.shutdown_timeout,
80 remove_instance=opts.remove_instance,
81 ignore_remove_failures=ignore_remove_failures)
83 SubmitOpCode(op, opts=opts)
87 def ImportInstance(opts, args):
88 """Add an instance to the cluster.
90 This is just a wrapper over GenericInstanceCreate.
93 return GenericInstanceCreate(constants.INSTANCE_IMPORT, opts, args)
96 def RemoveExport(opts, args):
97 """Remove an export from the cluster.
99 @param opts: the command line options selected by the user
101 @param args: should contain only one element, the name of the
102 instance whose backup should be removed
104 @return: the desired exit code
107 op = opcodes.OpBackupRemove(instance_name=args[0])
109 SubmitOpCode(op, opts=opts)
113 # this is defined separately due to readability only
115 IDENTIFY_DEFAULTS_OPT,
123 PrintExportList, ARGS_NONE,
125 "", "Lists instance exports available in the ganeti cluster"),
127 ExportInstance, ARGS_ONE_INSTANCE,
128 [FORCE_OPT, SINGLE_NODE_OPT, NOSHUTDOWN_OPT, SHUTDOWN_TIMEOUT_OPT,
129 REMOVE_INSTANCE_OPT, IGNORE_REMOVE_FAILURES_OPT, DRY_RUN_OPT,
131 "-n <target_node> [opts...] <name>",
132 "Exports an instance to an image"),
134 ImportInstance, ARGS_ONE_INSTANCE, COMMON_CREATE_OPTS + import_opts,
135 "[...] -t disk-type -n node[:secondary-node] <name>",
136 "Imports an instance from an exported image"),
138 RemoveExport, [ArgUnknown(min=1, max=1)], [DRY_RUN_OPT, PRIORITY_OPT],
139 "<name>", "Remove exports of named instance from the filesystem."),
144 return GenericMain(commands)