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
30 def PrintExportList(opts, args):
31 """Prints a list of all the exported system images.
34 opts - class with options as members (should be empty)
35 args - should be empty
41 op = opcodes.OpQueryExports(nodes=opts.nodes)
42 exports = SubmitOpCode(op)
44 print ("Node: %s" % node)
46 for instance_name in exports[node]:
47 print ("\t%s" % instance_name)
50 def ExportInstance(opts, args):
51 """Export an instance to an image in the cluster.
54 opts - class with options as members
55 args - list with a single element, the instance name
58 1 in case of error, 0 otherwise
61 op = opcodes.OpExportInstance(instance_name=args[0],
62 target_node=opts.node,
63 shutdown=opts.shutdown)
67 def ImportInstance(opts, args):
68 """Add an instance to the cluster.
71 opts - class with options as members
72 args - list with a single element, the new instance name
74 memory - amount of memory to allocate to instance (MiB)
75 size - amount of disk space to allocate to instance (MiB)
76 os - which OS to run on instance
77 node - node to run new instance on
78 src_node - node containing the export
79 src_dir - directory on the old node with the export in it
82 1 in case of error, 0 otherwise
87 op = opcodes.OpCreateInstance(instance_name=instance, mem_size=opts.mem,
88 disk_size=opts.size, swap_size=opts.swap,
89 disk_template=opts.disk_template,
90 mode=constants.INSTANCE_IMPORT,
91 pnode=opts.node, snode=opts.snode,
92 vcpus=opts.vcpus, ip_check=opts.ip_check,
93 ip=opts.ip, bridge=opts.bridge, start=False,
94 src_node=opts.src_node, src_path=opts.src_dir,
95 wait_for_sync=opts.wait_for_sync)
100 # options used in more than one cmd
101 node_opt = make_option("-n", "--node", dest="node", help="Target node",
104 # this is defined separately due to readability only
108 cli_option("-s", "--os-size", dest="size", help="Disk size",
109 default=20 * 1024, type="unit", metavar="<size>"),
110 cli_option("--swap-size", dest="swap", help="Swap size",
111 default=4 * 1024, type="unit", metavar="<size>"),
112 cli_option("-m", "--memory", dest="mem", help="Memory size",
113 default=128, type="unit", metavar="<mem>"),
114 make_option("-p", "--cpu", dest="vcpus", help="Number of virtual CPUs",
115 default=1, type="int", metavar="<PROC>"),
116 make_option("-t", "--disk-template", dest="disk_template",
117 help="Custom disk setup (diskless, plain, local_raid1 or"
118 " remote_raid1)", default=None, metavar="TEMPL"),
119 make_option("-i", "--ip", dest="ip",
120 help="IP address ('none' [default], 'auto', or specify address)",
121 default='none', type="string", metavar="<ADDRESS>"),
122 make_option("--no-wait-for-sync", dest="wait_for_sync", default=True,
123 action="store_false", help="Don't wait for sync (DANGEROUS!)"),
124 make_option("--secondary-node", dest="snode",
125 help="Secondary node for remote_raid1 disk layout",
127 make_option("-b", "--bridge", dest="bridge",
128 help="Bridge to connect this instance to",
129 default=None, metavar="<bridge>"),
130 make_option("--src-node", dest="src_node", help="Source node",
132 make_option("--src-dir", dest="src_dir", help="Source directory",
134 make_option("--no-ip-check", dest="ip_check", default=True,
135 action="store_false", help="Don't check that the instance's IP"
140 'list': (PrintExportList, ARGS_NONE,
142 make_option("--nodes", dest="nodes", default=[], action="append",
143 help="List only backups stored on these nodes"),
145 "", "Lists instance exports available in the ganeti cluster"),
146 'export': (ExportInstance, ARGS_ONE,
147 [node_opt, DEBUG_OPT, FORCE_OPT,
148 make_option("","--noshutdown", dest="shutdown",
149 action="store_false", default=True,
150 help="Don't shutdown the instance (unsafe)"), ],
152 "Exports an instance to an image"),
153 'import': (ImportInstance, ARGS_ONE, import_opts, "[opts...] <name>",
154 "Imports an instance from an exported image"),
157 if __name__ == '__main__':
158 sys.exit(GenericMain(commands))