4 # Copyright (C) 2006, 2007 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
23 from optparse import make_option
25 from ganeti.cli import *
26 from ganeti import cmdlib
27 from ganeti import opcodes
28 from ganeti import constants
31 def PrintExportList(opts, args):
32 """Prints a list of all the exported system images.
35 opts - class with options as members (should be empty)
36 args - should be empty
42 op = opcodes.OpQueryExports(nodes=opts.nodes)
43 exports = SubmitOpCode(op)
45 print ("Node: %s" % node)
47 if isinstance(exports[node], list):
48 for instance_name in exports[node]:
49 print ("\t%s" % instance_name)
51 print (" Could not get exports list")
54 def ExportInstance(opts, args):
55 """Export an instance to an image in the cluster.
58 opts - class with options as members
59 args - list with a single element, the instance name
62 1 in case of error, 0 otherwise
65 op = opcodes.OpExportInstance(instance_name=args[0],
66 target_node=opts.node,
67 shutdown=opts.shutdown)
72 def ImportInstance(opts, args):
73 """Add an instance to the cluster.
76 opts - class with options as members
77 args - list with a single element, the new instance name
79 memory - amount of memory to allocate to instance (MiB)
80 size - amount of disk space to allocate to instance (MiB)
81 os - which OS to run on instance
82 node - node to run new instance on
83 src_node - node containing the export
84 src_dir - directory on the old node with the export in it
87 1 in case of error, 0 otherwise
92 (pnode, snode) = SplitNodeOption(opts.node)
94 op = opcodes.OpCreateInstance(instance_name=instance, mem_size=opts.mem,
95 disk_size=opts.size, swap_size=opts.swap,
96 disk_template=opts.disk_template,
97 mode=constants.INSTANCE_IMPORT,
98 pnode=pnode, snode=snode,
99 vcpus=opts.vcpus, ip_check=opts.ip_check,
100 ip=opts.ip, bridge=opts.bridge, start=False,
101 src_node=opts.src_node, src_path=opts.src_dir,
102 wait_for_sync=opts.wait_for_sync, mac="auto",
103 file_storage_dir=opts.file_storage_dir,
104 file_driver=opts.file_driver,
105 iallocator=opts.iallocator)
110 def RemoveExport(opts, args):
111 """Remove an export from the cluster.
114 opts - class with options as members
115 args - list with a single element, the exported instance to remove
119 1 in case of error, 0 otherwise
123 op = opcodes.OpRemoveExport(instance_name=args[0])
129 # this is defined separately due to readability only
132 make_option("-n", "--node", dest="node",
133 help="Target node and optional secondary node",
134 metavar="<pnode>[:<snode>]"),
135 cli_option("-s", "--os-size", dest="size", help="Disk size, in MiB unless"
137 default=20 * 1024, type="unit", metavar="<size>"),
138 cli_option("--swap-size", dest="swap", help="Swap size",
139 default=4 * 1024, type="unit", metavar="<size>"),
140 cli_option("-m", "--memory", dest="mem", help="Memory size",
141 default=128, type="unit", metavar="<mem>"),
142 make_option("-p", "--cpu", dest="vcpus", help="Number of virtual CPUs",
143 default=1, type="int", metavar="<PROC>"),
144 make_option("-t", "--disk-template", dest="disk_template",
145 help="Custom disk setup (diskless, file, plain, drbd)"
146 default=None, metavar="TEMPL"),
147 make_option("-i", "--ip", dest="ip",
148 help="IP address ('none' [default], 'auto', or specify address)",
149 default='none', type="string", metavar="<ADDRESS>"),
150 make_option("--no-wait-for-sync", dest="wait_for_sync", default=True,
151 action="store_false", help="Don't wait for sync (DANGEROUS!)"),
152 make_option("-b", "--bridge", dest="bridge",
153 help="Bridge to connect this instance to",
154 default=None, metavar="<bridge>"),
155 make_option("--src-node", dest="src_node", help="Source node",
157 make_option("--src-dir", dest="src_dir", help="Source directory",
159 make_option("--no-ip-check", dest="ip_check", default=True,
160 action="store_false", help="Don't check that the instance's IP"
162 make_option("--iallocator", metavar="<NAME>",
163 help="Select nodes for the instance automatically using the"
164 " <NAME> iallocator plugin", default=None, type="string"),
165 make_option("--file-storage-dir", dest="file_storage_dir",
166 help="Relative path under default cluster-wide file storage dir"
167 " to store file-based disks", default=None,
169 make_option("--file-driver", dest="file_driver", help="Driver to use"
170 " for image files", default="loop", metavar="<DRIVER>"),
174 'list': (PrintExportList, ARGS_NONE,
176 make_option("--node", dest="nodes", default=[], action="append",
177 help="List only backups stored on this node"
178 " (can be used multiple times)"),
180 "", "Lists instance exports available in the ganeti cluster"),
181 'export': (ExportInstance, ARGS_ONE,
182 [DEBUG_OPT, FORCE_OPT,
183 make_option("-n", "--node", dest="node", help="Target node",
185 make_option("","--noshutdown", dest="shutdown",
186 action="store_false", default=True,
187 help="Don't shutdown the instance (unsafe)"), ],
188 "-n <target_node> [opts...] <name>",
189 "Exports an instance to an image"),
190 'import': (ImportInstance, ARGS_ONE, import_opts,
191 ("[...] -t disk-type -n node[:secondary-node]"
192 " --src-node node --src-dir dir"
194 "Imports an instance from an exported image"),
195 'remove': (RemoveExport, ARGS_ONE,
198 "Remove exports of named instance from the filesystem."),
201 if __name__ == '__main__':
202 sys.exit(GenericMain(commands))