gnt-cluster 22.8 KB
Newer Older
Iustin Pop's avatar
Iustin Pop committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
#!/usr/bin/python
#

# Copyright (C) 2006, 2007 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.


22
23
24
25
# pylint: disable-msg=W0401,W0614
# W0401: Wildcard import ganeti.cli
# W0614: Unused import %s from wildcard import (since we need cli)

Iustin Pop's avatar
Iustin Pop committed
26
27
import sys
from optparse import make_option
28
import os.path
Iustin Pop's avatar
Iustin Pop committed
29
30
31

from ganeti.cli import *
from ganeti import opcodes
32
from ganeti import constants
33
from ganeti import errors
34
from ganeti import utils
35
from ganeti import bootstrap
36
from ganeti import ssh
Iustin Pop's avatar
Iustin Pop committed
37
38


39
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
40
41
42
def InitCluster(opts, args):
  """Initialize the cluster.

43
44
45
46
47
48
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should contain only one element, the desired
      cluster name
  @rtype: int
  @return: the desired exit code
Iustin Pop's avatar
Iustin Pop committed
49
50

  """
51
  if not opts.lvm_storage and opts.vg_name:
52
    ToStderr("Options --no-lvm-storage and --vg-name conflict.")
53
54
55
56
57
58
    return 1

  vg_name = opts.vg_name
  if opts.lvm_storage and not opts.vg_name:
    vg_name = constants.DEFAULT_VG

59
60
61
62
  hvlist = opts.enabled_hypervisors
  if hvlist is not None:
    hvlist = hvlist.split(",")
  else:
63
    hvlist = [opts.default_hypervisor]
64
65

  # avoid an impossible situation
66
67
68
69
70
  if opts.default_hypervisor not in hvlist:
    ToStderr("The default hypervisor requested (%s) is not"
             " within the enabled hypervisor list (%s)" %
             (opts.default_hypervisor, hvlist))
    return 1
71
72
73
74
75
76
77
78
79
80
81
82
83

  hvparams = opts.hvparams
  if hvparams:
    # a list of (name, dict) we can pass directly to dict()
    hvparams = dict(opts.hvparams)
  else:
    # otherwise init as empty dict
    hvparams = {}

  beparams = opts.beparams
  # check for invalid parameters
  for parameter in beparams:
    if parameter not in constants.BES_PARAMETERS:
84
      ToStderr("Invalid backend parameter: %s", parameter)
85
86
87
88
89
90
      return 1

  # prepare beparams dict
  for parameter in constants.BES_PARAMETERS:
    if parameter not in beparams:
      beparams[parameter] = constants.BEC_DEFAULTS[parameter]
91
  utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
92
93
94
95
96
97
98
99

  # prepare hvparams dict
  for hv in constants.HYPER_TYPES:
    if hv not in hvparams:
      hvparams[hv] = {}
    for parameter in constants.HVC_DEFAULTS[hv]:
      if parameter not in hvparams[hv]:
        hvparams[hv][parameter] = constants.HVC_DEFAULTS[hv][parameter]
100
    utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES)
101
102
103

  for hv in hvlist:
    if hv not in constants.HYPER_TYPES:
104
      ToStderr("invalid hypervisor: %s", hv)
105
106
      return 1

107
108
109
110
111
112
  bootstrap.InitCluster(cluster_name=args[0],
                        secondary_ip=opts.secondary_ip,
                        vg_name=vg_name,
                        mac_prefix=opts.mac_prefix,
                        def_bridge=opts.def_bridge,
                        master_netdev=opts.master_netdev,
113
114
                        file_storage_dir=opts.file_storage_dir,
                        enabled_hypervisors=hvlist,
115
                        default_hypervisor=opts.default_hypervisor,
116
                        hvparams=hvparams,
117
118
119
                        beparams=beparams,
                        candidate_pool_size=opts.candidate_pool_size,
                        )
Iustin Pop's avatar
Iustin Pop committed
120
121
122
  return 0


123
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
124
125
126
def DestroyCluster(opts, args):
  """Destroy the cluster.

127
128
129
130
131
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should be an empty list
  @rtype: int
  @return: the desired exit code
132

Iustin Pop's avatar
Iustin Pop committed
133
134
  """
  if not opts.yes_do_it:
135
136
    ToStderr("Destroying a cluster is irreversible. If you really want"
             " destroy this cluster, supply the --yes-do-it option.")
Iustin Pop's avatar
Iustin Pop committed
137
138
139
    return 1

  op = opcodes.OpDestroyCluster()
Iustin Pop's avatar
Iustin Pop committed
140
141
142
143
  master = SubmitOpCode(op)
  # if we reached this, the opcode didn't fail; we can proceed to
  # shutdown all the daemons
  bootstrap.FinalizeClusterDestroy(master)
Iustin Pop's avatar
Iustin Pop committed
144
145
146
  return 0


147
148
149
def RenameCluster(opts, args):
  """Rename the cluster.

150
151
152
153
154
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should contain only one element, the new cluster name
  @rtype: int
  @return: the desired exit code
155
156
157
158
159
160
161
162

  """
  name = args[0]
  if not opts.force:
    usertext = ("This will rename the cluster to '%s'. If you are connected"
                " over the network to the cluster name, the operation is very"
                " dangerous as the IP address will be removed from the node"
                " and the change may not go through. Continue?") % name
163
    if not AskUser(usertext):
164
165
166
167
168
169
170
      return 1

  op = opcodes.OpRenameCluster(name=name)
  SubmitOpCode(op)
  return 0


171
172
173
174
175
176
177
178
179
180
def RedistributeConfig(opts, args):
  """Forces push of the cluster configuration.

  @param opts: the command line options selected by the user
  @type args: list
  @param args: empty list
  @rtype: int
  @return: the desired exit code

  """
181
  op = opcodes.OpRedistributeConfig()
182
183
184
185
  SubmitOrSend(op, opts)
  return 0


Iustin Pop's avatar
Iustin Pop committed
186
187
188
def ShowClusterVersion(opts, args):
  """Write version of ganeti software to the standard output.

189
190
191
192
193
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should be an empty list
  @rtype: int
  @return: the desired exit code
Iustin Pop's avatar
Iustin Pop committed
194
195

  """
196
197
  cl = GetClient()
  result = cl.QueryClusterInfo()
198
199
200
201
202
  ToStdout("Software version: %s", result["software_version"])
  ToStdout("Internode protocol: %s", result["protocol_version"])
  ToStdout("Configuration format: %s", result["config_version"])
  ToStdout("OS api version: %s", result["os_api_version"])
  ToStdout("Export interface: %s", result["export_version"])
Iustin Pop's avatar
Iustin Pop committed
203
204
205
206
207
208
  return 0


def ShowClusterMaster(opts, args):
  """Write name of master node to the standard output.

209
210
211
212
213
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should be an empty list
  @rtype: int
  @return: the desired exit code
Iustin Pop's avatar
Iustin Pop committed
214
215

  """
216
  ToStdout("%s", GetClient().QueryConfigValues(["master_node"])[0])
Iustin Pop's avatar
Iustin Pop committed
217
218
219
220
221
222
  return 0


def ShowClusterConfig(opts, args):
  """Shows cluster information.

223
224
225
226
227
228
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should be an empty list
  @rtype: int
  @return: the desired exit code

Iustin Pop's avatar
Iustin Pop committed
229
  """
230
231
  cl = GetClient()
  result = cl.QueryClusterInfo()
Iustin Pop's avatar
Iustin Pop committed
232

233
  ToStdout("Cluster name: %s", result["name"])
Iustin Pop's avatar
Iustin Pop committed
234

235
  ToStdout("Master node: %s", result["master"])
Iustin Pop's avatar
Iustin Pop committed
236

237
238
  ToStdout("Architecture (this node): %s (%s)",
           result["architecture"][0], result["architecture"][1])
Iustin Pop's avatar
Iustin Pop committed
239

240
  ToStdout("Default hypervisor: %s", result["default_hypervisor"])
241
  ToStdout("Enabled hypervisors: %s", ", ".join(result["enabled_hypervisors"]))
242

243
  ToStdout("Hypervisor parameters:")
244
  for hv_name, hv_dict in result["hvparams"].items():
245
    ToStdout("  - %s:", hv_name)
246
    for item, val in hv_dict.iteritems():
247
      ToStdout("      %s: %s", item, val)
248

249
  ToStdout("Cluster parameters:")
250
251
252
  ToStdout("  - candidate pool size: %s", result["candidate_pool_size"])

  ToStdout("Default instance parameters:")
253
  for gr_name, gr_dict in result["beparams"].items():
254
    ToStdout("  - %s:", gr_name)
255
    for item, val in gr_dict.iteritems():
256
      ToStdout("      %s: %s", item, val)
257

Iustin Pop's avatar
Iustin Pop committed
258
259
260
261
262
263
  return 0


def ClusterCopyFile(opts, args):
  """Copy a file from master to some nodes.

264
265
266
267
268
269
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should contain only one element, the path of
      the file to be copied
  @rtype: int
  @return: the desired exit code
Iustin Pop's avatar
Iustin Pop committed
270
271

  """
272
273
274
275
  filename = args[0]
  if not os.path.exists(filename):
    raise errors.OpPrereqError("No such filename '%s'" % filename)

Iustin Pop's avatar
Iustin Pop committed
276
277
  cl = GetClient()

278
279
  myname = utils.HostInfo().name

Iustin Pop's avatar
Iustin Pop committed
280
281
  cluster_name = cl.QueryConfigValues(["cluster_name"])[0]

282
283
  results = GetOnlineNodes(nodes=opts.nodes, cl=cl)
  results = [name for name in results if name != myname]
Michael Hanselmann's avatar
Michael Hanselmann committed
284

Iustin Pop's avatar
Iustin Pop committed
285
  srun = ssh.SshRunner(cluster_name=cluster_name)
286
287
  for node in results:
    if not srun.CopyFileToNode(node, filename):
288
      ToStderr("Copy of file %s to node %s failed", filename, node)
289

Iustin Pop's avatar
Iustin Pop committed
290
291
292
293
294
295
  return 0


def RunClusterCommand(opts, args):
  """Run a command on some nodes.

296
297
298
299
300
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should contain the command to be run and its arguments
  @rtype: int
  @return: the desired exit code
Iustin Pop's avatar
Iustin Pop committed
301
302

  """
Iustin Pop's avatar
Iustin Pop committed
303
  cl = GetClient()
Michael Hanselmann's avatar
Michael Hanselmann committed
304

Iustin Pop's avatar
Iustin Pop committed
305
  command = " ".join(args)
306
307

  nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl)
Iustin Pop's avatar
Iustin Pop committed
308
309
310

  cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
                                                    "master_node"])
311

Iustin Pop's avatar
Iustin Pop committed
312
  srun = ssh.SshRunner(cluster_name=cluster_name)
313

Michael Hanselmann's avatar
Michael Hanselmann committed
314
  # Make sure master node is at list end
315
316
317
318
319
320
  if master_node in nodes:
    nodes.remove(master_node)
    nodes.append(master_node)

  for name in nodes:
    result = srun.Run(name, "root", command)
321
322
323
324
    ToStdout("------------------------------------------------")
    ToStdout("node: %s", name)
    ToStdout("%s", result.output)
    ToStdout("return code = %s", result.exit_code)
325
326

  return 0
Iustin Pop's avatar
Iustin Pop committed
327
328
329
330
331


def VerifyCluster(opts, args):
  """Verify integrity of cluster, performing various test on nodes.

332
333
334
335
336
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should be an empty list
  @rtype: int
  @return: the desired exit code
Iustin Pop's avatar
Iustin Pop committed
337
338

  """
Iustin Pop's avatar
Iustin Pop committed
339
  skip_checks = []
340
341
342
  if opts.skip_nplusone_mem:
    skip_checks.append(constants.VERIFY_NPLUSONE_MEM)
  op = opcodes.OpVerifyCluster(skip_checks=skip_checks)
343
344
345
346
  if SubmitOpCode(op):
    return 0
  else:
    return 1
Iustin Pop's avatar
Iustin Pop committed
347
348


349
350
351
def VerifyDisks(opts, args):
  """Verify integrity of cluster disks.

352
353
354
355
356
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should be an empty list
  @rtype: int
  @return: the desired exit code
357
358
359
360

  """
  op = opcodes.OpVerifyDisks()
  result = SubmitOpCode(op)
361
  if not isinstance(result, (list, tuple)) or len(result) != 4:
362
363
    raise errors.ProgrammerError("Unknown result type for OpVerifyDisks")

364
365
  nodes, nlvm, instances, missing = result

366
  if nodes:
367
    ToStdout("Nodes unreachable or with bad data:")
368
    for name in nodes:
369
      ToStdout("\t%s", name)
370
  retcode = constants.EXIT_SUCCESS
371
372
373

  if nlvm:
    for node, text in nlvm.iteritems():
374
      ToStdout("Error on node %s: LVM error: %s",
375
               node, utils.SafeEncode(text[-400:]))
376
      retcode |= 1
377
      ToStdout("You need to fix these nodes first before fixing instances")
378

379
380
  if instances:
    for iname in instances:
381
382
      if iname in missing:
        continue
383
384
      op = opcodes.OpActivateInstanceDisks(instance_name=iname)
      try:
385
        ToStdout("Activating disks for instance '%s'", iname)
386
387
388
389
        SubmitOpCode(op)
      except errors.GenericError, err:
        nret, msg = FormatError(err)
        retcode |= nret
390
        ToStderr("Error activating disks for instance %s: %s", iname, msg)
391
392
393
394
395

  if missing:
    for iname, ival in missing.iteritems():
      all_missing = utils.all(ival, lambda x: x[0] in nlvm)
      if all_missing:
396
397
        ToStdout("Instance %s cannot be verified as it lives on"
                 " broken nodes", iname)
398
      else:
399
        ToStdout("Instance %s has missing logical volumes:", iname)
400
401
402
        ival.sort()
        for node, vol in ival:
          if node in nlvm:
403
            ToStdout("\tbroken node %s /dev/xenvg/%s", node, vol)
404
          else:
405
406
            ToStdout("\t%s /dev/xenvg/%s", node, vol)
    ToStdout("You need to run replace_disks for all the above"
407
408
           " instances, if this message persist after fixing nodes.")
    retcode |= 1
409
410
411
412

  return retcode


413
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
414
415
416
417
418
419
420
def MasterFailover(opts, args):
  """Failover the master node.

  This command, when run on a non-master node, will cause the current
  master to cease being master, and the non-master to become new
  master.

421
422
423
424
425
426
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should be an empty list
  @rtype: int
  @return: the desired exit code

Iustin Pop's avatar
Iustin Pop committed
427
  """
428
  return bootstrap.MasterFailover()
Iustin Pop's avatar
Iustin Pop committed
429
430


Iustin Pop's avatar
Iustin Pop committed
431
432
433
def SearchTags(opts, args):
  """Searches the tags on all the cluster.

434
435
436
437
438
439
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should contain only one element, the tag pattern
  @rtype: int
  @return: the desired exit code

Iustin Pop's avatar
Iustin Pop committed
440
441
442
443
444
445
446
447
  """
  op = opcodes.OpSearchTags(pattern=args[0])
  result = SubmitOpCode(op)
  if not result:
    return 1
  result = list(result)
  result.sort()
  for path, tag in result:
448
    ToStdout("%s %s", path, tag)
Iustin Pop's avatar
Iustin Pop committed
449
450


451
452
453
def SetClusterParams(opts, args):
  """Modify the cluster.

454
455
456
457
458
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should be an empty list
  @rtype: int
  @return: the desired exit code
459
460

  """
461
462
  if not (not opts.lvm_storage or opts.vg_name or
          opts.enabled_hypervisors or opts.hvparams or
463
          opts.beparams or opts.candidate_pool_size is not None):
464
    ToStderr("Please give at least one of the parameters.")
465
466
467
468
    return 1

  vg_name = opts.vg_name
  if not opts.lvm_storage and opts.vg_name:
469
    ToStdout("Options --no-lvm-storage and --vg-name conflict.")
470
471
    return 1

472
473
474
475
476
477
478
479
  hvlist = opts.enabled_hypervisors
  if hvlist is not None:
    hvlist = hvlist.split(",")

  hvparams = opts.hvparams
  if hvparams:
    # a list of (name, dict) we can pass directly to dict()
    hvparams = dict(opts.hvparams)
480
481
  for hv, hv_params in hvparams.iteritems():
    utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
482
483

  beparams = opts.beparams
484
  utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
485
486
487
488

  op = opcodes.OpSetClusterParams(vg_name=opts.vg_name,
                                  enabled_hypervisors=hvlist,
                                  hvparams=hvparams,
489
490
                                  beparams=beparams,
                                  candidate_pool_size=opts.candidate_pool_size)
491
492
493
494
  SubmitOpCode(op)
  return 0


495
496
497
def QueueOps(opts, args):
  """Queue operations.

498
499
500
501
502
503
  @param opts: the command line options selected by the user
  @type args: list
  @param args: should contain only one element, the subcommand
  @rtype: int
  @return: the desired exit code

504
505
506
507
508
509
510
511
512
  """
  command = args[0]
  client = GetClient()
  if command in ("drain", "undrain"):
    drain_flag = command == "drain"
    client.SetQueueDrainFlag(drain_flag)
  elif command == "info":
    result = client.QueryConfigValues(["drain_flag"])
    if result[0]:
513
      val = "set"
514
    else:
515
516
      val = "unset"
    ToStdout("The drain flag is %s" % val)
517
518
  return 0

Iustin Pop's avatar
Iustin Pop committed
519
520
521
# this is an option common to more than one command, so we declare
# it here and reuse it
node_option = make_option("-n", "--node", action="append", dest="nodes",
522
523
524
                          help="Node to copy to (if not given, all nodes),"
                               " can be given multiple times",
                          metavar="<node>", default=[])
Iustin Pop's avatar
Iustin Pop committed
525
526
527
528
529
530
531
532
533
534
535
536
537

commands = {
  'init': (InitCluster, ARGS_ONE,
           [DEBUG_OPT,
            make_option("-s", "--secondary-ip", dest="secondary_ip",
                        help="Specify the secondary ip for this node;"
                        " if given, the entire cluster must have secondary"
                        " addresses",
                        metavar="ADDRESS", default=None),
            make_option("-m", "--mac-prefix", dest="mac_prefix",
                        help="Specify the mac prefix for the instance IP"
                        " addresses, in the format XX:XX:XX",
                        metavar="PREFIX",
538
                        default=constants.DEFAULT_MAC_PREFIX,),
Iustin Pop's avatar
Iustin Pop committed
539
540
541
542
            make_option("-g", "--vg-name", dest="vg_name",
                        help="Specify the volume group name "
                        " (cluster-wide) for disk allocation [xenvg]",
                        metavar="VG",
543
                        default=None,),
Iustin Pop's avatar
Iustin Pop committed
544
545
            make_option("-b", "--bridge", dest="def_bridge",
                        help="Specify the default bridge name (cluster-wide)"
546
547
                          " to connect the instances to [%s]" %
                          constants.DEFAULT_BRIDGE,
Iustin Pop's avatar
Iustin Pop committed
548
                        metavar="BRIDGE",
549
                        default=constants.DEFAULT_BRIDGE,),
550
551
            make_option("--master-netdev", dest="master_netdev",
                        help="Specify the node interface (cluster-wide)"
552
553
                          " on which the master IP address will be added "
                          " [%s]" % constants.DEFAULT_BRIDGE,
554
                        metavar="NETDEV",
555
                        default=constants.DEFAULT_BRIDGE,),
556
557
558
559
560
561
            make_option("--file-storage-dir", dest="file_storage_dir",
                        help="Specify the default directory (cluster-wide)"
                             " for storing the file-based disks [%s]" %
                             constants.DEFAULT_FILE_STORAGE_DIR,
                        metavar="DIR",
                        default=constants.DEFAULT_FILE_STORAGE_DIR,),
562
563
564
565
            make_option("--no-lvm-storage", dest="lvm_storage",
                        help="No support for lvm based instances"
                             " (cluster-wide)",
                        action="store_false", default=True,),
566
567
568
            make_option("--enabled-hypervisors", dest="enabled_hypervisors",
                        help="Comma-separated list of hypervisors",
                        type="string", default=None),
569
570
571
572
573
            make_option("-t", "--default-hypervisor",
                        dest="default_hypervisor",
                        help="Default hypervisor to use for instance creation",
                        choices=list(constants.HYPER_TYPES),
                        default=constants.DEFAULT_ENABLED_HYPERVISOR),
574
575
576
577
578
579
580
581
582
583
            ikv_option("-H", "--hypervisor-parameters", dest="hvparams",
                       help="Hypervisor and hypervisor options, in the"
                         " format"
                       " hypervisor:option=value,option=value,...",
                       default=[],
                       action="append",
                       type="identkeyval"),
            keyval_option("-B", "--backend-parameters", dest="beparams",
                          type="keyval", default={},
                          help="Backend parameters"),
584
585
586
587
            make_option("-C", "--candidate-pool-size",
                        default=constants.MASTER_POOL_SIZE_DEFAULT,
                        help="Set the candidate pool size",
                        dest="candidate_pool_size", type="int"),
Iustin Pop's avatar
Iustin Pop committed
588
            ],
589
           "[opts...] <cluster_name>",
Iustin Pop's avatar
Iustin Pop committed
590
591
592
593
594
595
596
           "Initialises a new cluster configuration"),
  'destroy': (DestroyCluster, ARGS_NONE,
              [DEBUG_OPT,
               make_option("--yes-do-it", dest="yes_do_it",
                           help="Destroy cluster",
                           action="store_true"),
              ],
597
              "", "Destroy cluster"),
598
  'rename': (RenameCluster, ARGS_ONE, [DEBUG_OPT, FORCE_OPT],
599
               "<new_name>",
600
               "Renames the cluster"),
601
602
603
604
  'redist-conf': (RedistributeConfig, ARGS_NONE, [DEBUG_OPT, SUBMIT_OPT],
                  "",
                  "Forces a push of the configuration file and ssconf files"
                  " to the nodes in the cluster"),
605
606
607
608
609
610
  'verify': (VerifyCluster, ARGS_NONE, [DEBUG_OPT,
             make_option("--no-nplus1-mem", dest="skip_nplusone_mem",
                         help="Skip N+1 memory redundancy tests",
                         action="store_true",
                         default=False,),
             ],
611
             "", "Does a check on the cluster configuration"),
612
  'verify-disks': (VerifyDisks, ARGS_NONE, [DEBUG_OPT],
613
                   "", "Does a check on the cluster disk status"),
Iustin Pop's avatar
Iustin Pop committed
614
  'masterfailover': (MasterFailover, ARGS_NONE, [DEBUG_OPT],
615
                     "", "Makes the current node the master"),
Iustin Pop's avatar
Iustin Pop committed
616
  'version': (ShowClusterVersion, ARGS_NONE, [DEBUG_OPT],
617
              "", "Shows the cluster version"),
Iustin Pop's avatar
Iustin Pop committed
618
  'getmaster': (ShowClusterMaster, ARGS_NONE, [DEBUG_OPT],
619
                "", "Shows the cluster master"),
Iustin Pop's avatar
Iustin Pop committed
620
  'copyfile': (ClusterCopyFile, ARGS_ONE, [DEBUG_OPT, node_option],
621
               "[-n node...] <filename>",
Iustin Pop's avatar
Iustin Pop committed
622
623
               "Copies a file to all (or only some) nodes"),
  'command': (RunClusterCommand, ARGS_ATLEAST(1), [DEBUG_OPT, node_option],
624
              "[-n node...] <command>",
Iustin Pop's avatar
Iustin Pop committed
625
626
              "Runs a command on all (or only some) nodes"),
  'info': (ShowClusterConfig, ARGS_NONE, [DEBUG_OPT],
627
                 "", "Show cluster configuration"),
628
  'list-tags': (ListTags, ARGS_NONE,
629
                [DEBUG_OPT], "", "List the tags of the cluster"),
630
  'add-tags': (AddTags, ARGS_ANY, [DEBUG_OPT, TAG_SRC_OPT],
631
               "tag...", "Add tags to the cluster"),
632
  'remove-tags': (RemoveTags, ARGS_ANY, [DEBUG_OPT, TAG_SRC_OPT],
633
                  "tag...", "Remove tags from the cluster"),
Iustin Pop's avatar
Iustin Pop committed
634
  'search-tags': (SearchTags, ARGS_ONE,
635
                  [DEBUG_OPT], "", "Searches the tags on all objects on"
Iustin Pop's avatar
Iustin Pop committed
636
                  " the cluster for a given pattern (regex)"),
637
638
  'queue': (QueueOps, ARGS_ONE, [DEBUG_OPT],
            "drain|undrain|info", "Change queue properties"),
639
640
641
642
643
644
645
646
647
648
649
  'modify': (SetClusterParams, ARGS_NONE,
             [DEBUG_OPT,
              make_option("-g", "--vg-name", dest="vg_name",
                          help="Specify the volume group name "
                          " (cluster-wide) for disk allocation "
                          "and enable lvm based storage",
                          metavar="VG",),
              make_option("--no-lvm-storage", dest="lvm_storage",
                          help="Disable support for lvm based instances"
                               " (cluster-wide)",
                          action="store_false", default=True,),
650
651
652
653
654
655
656
657
658
659
660
661
662
              make_option("--enabled-hypervisors", dest="enabled_hypervisors",
                          help="Comma-separated list of hypervisors",
                          type="string", default=None),
              ikv_option("-H", "--hypervisor-parameters", dest="hvparams",
                         help="Hypervisor and hypervisor options, in the"
                         " format"
                         " hypervisor:option=value,option=value,...",
                         default=[],
                         action="append",
                         type="identkeyval"),
              keyval_option("-B", "--backend-parameters", dest="beparams",
                            type="keyval", default={},
                            help="Backend parameters"),
663
664
665
              make_option("-C", "--candidate-pool-size", default=None,
                          help="Set the candidate pool size",
                          dest="candidate_pool_size", type="int"),
666
667
668
              ],
             "[opts...]",
             "Alters the parameters of the cluster"),
Iustin Pop's avatar
Iustin Pop committed
669
670
671
  }

if __name__ == '__main__':
672
  sys.exit(GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER}))