gnt-cluster 23.7 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
import sys
27
import os.path
28
import time
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
37
from ganeti import objects
Iustin Pop's avatar
Iustin Pop committed
38
39


40
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
41
42
43
def InitCluster(opts, args):
  """Initialize the cluster.

44
45
46
47
48
49
  @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
50
51

  """
52
  if not opts.lvm_storage and opts.vg_name:
53
    ToStderr("Options --no-lvm-storage and --vg-name conflict.")
54
55
56
57
58
59
    return 1

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

60
  hvlist = opts.enabled_hypervisors
61
  hvlist = hvlist.split(",")
62

63
  hvparams = dict(opts.hvparams)
64
  beparams = opts.beparams
65
  nicparams = opts.nicparams
66
67

  # prepare beparams dict
68
  beparams = objects.FillDict(constants.BEC_DEFAULTS, beparams)
69
  utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
70

71
72
73
74
  # prepare nicparams dict
  nicparams = objects.FillDict(constants.NICC_DEFAULTS, nicparams)
  utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)

75
76
77
78
  # prepare hvparams dict
  for hv in constants.HYPER_TYPES:
    if hv not in hvparams:
      hvparams[hv] = {}
79
    hvparams[hv] = objects.FillDict(constants.HVC_DEFAULTS[hv], hvparams[hv])
80
    utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES)
81

82
83
84
85
86
  bootstrap.InitCluster(cluster_name=args[0],
                        secondary_ip=opts.secondary_ip,
                        vg_name=vg_name,
                        mac_prefix=opts.mac_prefix,
                        master_netdev=opts.master_netdev,
87
88
89
                        file_storage_dir=opts.file_storage_dir,
                        enabled_hypervisors=hvlist,
                        hvparams=hvparams,
90
                        beparams=beparams,
91
                        nicparams=nicparams,
92
                        candidate_pool_size=opts.candidate_pool_size,
93
                        modify_etc_hosts=opts.modify_etc_hosts,
94
                        )
95
96
  op = opcodes.OpPostInitCluster()
  SubmitOpCode(op)
Iustin Pop's avatar
Iustin Pop committed
97
98
99
  return 0


100
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
101
102
103
def DestroyCluster(opts, args):
  """Destroy the cluster.

104
105
106
107
108
  @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
109

Iustin Pop's avatar
Iustin Pop committed
110
111
  """
  if not opts.yes_do_it:
112
113
    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
114
115
116
    return 1

  op = opcodes.OpDestroyCluster()
Iustin Pop's avatar
Iustin Pop committed
117
118
119
120
  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
121
122
123
  return 0


124
125
126
def RenameCluster(opts, args):
  """Rename the cluster.

127
128
129
130
131
  @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
132
133
134
135
136
137
138
139

  """
  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
140
    if not AskUser(usertext):
141
142
143
144
145
146
147
      return 1

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


148
149
150
151
152
153
154
155
156
157
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

  """
158
  op = opcodes.OpRedistributeConfig()
159
160
161
162
  SubmitOrSend(op, opts)
  return 0


Iustin Pop's avatar
Iustin Pop committed
163
164
165
def ShowClusterVersion(opts, args):
  """Write version of ganeti software to the standard output.

166
167
168
169
170
  @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
171
172

  """
173
174
  cl = GetClient()
  result = cl.QueryClusterInfo()
175
176
177
178
179
  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
180
181
182
183
184
185
  return 0


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

186
187
188
189
190
  @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
191
192

  """
193
194
  master = bootstrap.GetMaster()
  ToStdout(master)
Iustin Pop's avatar
Iustin Pop committed
195
196
  return 0

197
198
199
200
201
202
203
204
205
206
207
def _PrintGroupedParams(paramsdict):
  """Print Grouped parameters (be, nic, disk) by group.

  @type paramsdict: dict of dicts
  @param paramsdict: {group: {param: value, ...}, ...}

  """
  for gr_name, gr_dict in paramsdict.items():
    ToStdout("  - %s:", gr_name)
    for item, val in gr_dict.iteritems():
      ToStdout("      %s: %s", item, val)
Iustin Pop's avatar
Iustin Pop committed
208
209
210
211

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

212
213
214
215
216
217
  @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
218
  """
219
220
  cl = GetClient()
  result = cl.QueryClusterInfo()
Iustin Pop's avatar
Iustin Pop committed
221

222
  ToStdout("Cluster name: %s", result["name"])
Iustin Pop's avatar
Iustin Pop committed
223

224
225
226
  ToStdout("Creation time: %s", utils.FormatTime(result["ctime"]))
  ToStdout("Modification time: %s", utils.FormatTime(result["mtime"]))

227
  ToStdout("Master node: %s", result["master"])
Iustin Pop's avatar
Iustin Pop committed
228

229
230
  ToStdout("Architecture (this node): %s (%s)",
           result["architecture"][0], result["architecture"][1])
Iustin Pop's avatar
Iustin Pop committed
231

232
233
234
235
236
237
238
  if result["tags"]:
    tags = ", ".join(utils.NiceSort(result["tags"]))
  else:
    tags = "(none)"

  ToStdout("Tags: %s", tags)

239
  ToStdout("Default hypervisor: %s", result["default_hypervisor"])
240
  ToStdout("Enabled hypervisors: %s", ", ".join(result["enabled_hypervisors"]))
241

242
  ToStdout("Hypervisor parameters:")
243
  _PrintGroupedParams(result["hvparams"])
244

245
  ToStdout("Cluster parameters:")
246
  ToStdout("  - candidate pool size: %s", result["candidate_pool_size"])
247
248
249
  ToStdout("  - master netdev: %s", result["master_netdev"])
  ToStdout("  - lvm volume group: %s", result["volume_group_name"])
  ToStdout("  - file storage path: %s", result["file_storage_dir"])
250
251

  ToStdout("Default instance parameters:")
252
253
254
255
  _PrintGroupedParams(result["beparams"])

  ToStdout("Default nic parameters:")
  _PrintGroupedParams(result["nicparams"])
256

Iustin Pop's avatar
Iustin Pop committed
257
258
259
260
261
262
  return 0


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

263
264
265
266
267
268
  @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
269
270

  """
271
272
273
274
  filename = args[0]
  if not os.path.exists(filename):
    raise errors.OpPrereqError("No such filename '%s'" % filename)

Iustin Pop's avatar
Iustin Pop committed
275
276
  cl = GetClient()

277
278
  myname = utils.HostInfo().name

Iustin Pop's avatar
Iustin Pop committed
279
280
  cluster_name = cl.QueryConfigValues(["cluster_name"])[0]

281
282
  results = GetOnlineNodes(nodes=opts.nodes, cl=cl)
  results = [name for name in results if name != myname]
Michael Hanselmann's avatar
Michael Hanselmann committed
283

Iustin Pop's avatar
Iustin Pop committed
284
  srun = ssh.SshRunner(cluster_name=cluster_name)
285
286
  for node in results:
    if not srun.CopyFileToNode(node, filename):
287
      ToStderr("Copy of file %s to node %s failed", filename, node)
288

Iustin Pop's avatar
Iustin Pop committed
289
290
291
292
293
294
  return 0


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

295
296
297
298
299
  @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
300
301

  """
Iustin Pop's avatar
Iustin Pop committed
302
  cl = GetClient()
Michael Hanselmann's avatar
Michael Hanselmann committed
303

Iustin Pop's avatar
Iustin Pop committed
304
  command = " ".join(args)
305
306

  nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl)
Iustin Pop's avatar
Iustin Pop committed
307
308
309

  cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
                                                    "master_node"])
310

Iustin Pop's avatar
Iustin Pop committed
311
  srun = ssh.SshRunner(cluster_name=cluster_name)
312

Michael Hanselmann's avatar
Michael Hanselmann committed
313
  # Make sure master node is at list end
314
315
316
317
318
319
  if master_node in nodes:
    nodes.remove(master_node)
    nodes.append(master_node)

  for name in nodes:
    result = srun.Run(name, "root", command)
320
321
322
323
    ToStdout("------------------------------------------------")
    ToStdout("node: %s", name)
    ToStdout("%s", result.output)
    ToStdout("return code = %s", result.exit_code)
324
325

  return 0
Iustin Pop's avatar
Iustin Pop committed
326
327
328
329
330


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

331
332
333
334
335
  @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
336
337

  """
Iustin Pop's avatar
Iustin Pop committed
338
  skip_checks = []
339
340
  if opts.skip_nplusone_mem:
    skip_checks.append(constants.VERIFY_NPLUSONE_MEM)
341
342
  op = opcodes.OpVerifyCluster(skip_checks=skip_checks,
                               verbose=opts.verbose,
343
344
                               error_codes=opts.error_codes,
                               debug_simulate_errors=opts.simulate_errors)
345
346
347
348
  if SubmitOpCode(op):
    return 0
  else:
    return 1
Iustin Pop's avatar
Iustin Pop committed
349
350


351
352
353
def VerifyDisks(opts, args):
  """Verify integrity of cluster disks.

354
355
356
357
358
  @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
359
360
361
362

  """
  op = opcodes.OpVerifyDisks()
  result = SubmitOpCode(op)
363
  if not isinstance(result, (list, tuple)) or len(result) != 3:
364
365
    raise errors.ProgrammerError("Unknown result type for OpVerifyDisks")

366
  bad_nodes, instances, missing = result
367

368
  retcode = constants.EXIT_SUCCESS
369

370
371
372
  if bad_nodes:
    for node, text in bad_nodes.items():
      ToStdout("Error gathering data on node %s: %s",
373
               node, utils.SafeEncode(text[-400:]))
374
      retcode |= 1
375
      ToStdout("You need to fix these nodes first before fixing instances")
376

377
378
  if instances:
    for iname in instances:
379
380
      if iname in missing:
        continue
381
382
      op = opcodes.OpActivateInstanceDisks(instance_name=iname)
      try:
383
        ToStdout("Activating disks for instance '%s'", iname)
384
385
386
387
        SubmitOpCode(op)
      except errors.GenericError, err:
        nret, msg = FormatError(err)
        retcode |= nret
388
        ToStderr("Error activating disks for instance %s: %s", iname, msg)
389
390
391

  if missing:
    for iname, ival in missing.iteritems():
392
      all_missing = utils.all(ival, lambda x: x[0] in bad_nodes)
393
      if all_missing:
394
395
        ToStdout("Instance %s cannot be verified as it lives on"
                 " broken nodes", iname)
396
      else:
397
        ToStdout("Instance %s has missing logical volumes:", iname)
398
399
        ival.sort()
        for node, vol in ival:
400
          if node in bad_nodes:
401
            ToStdout("\tbroken node %s /dev/xenvg/%s", node, vol)
402
          else:
403
404
            ToStdout("\t%s /dev/xenvg/%s", node, vol)
    ToStdout("You need to run replace_disks for all the above"
405
406
           " instances, if this message persist after fixing nodes.")
    retcode |= 1
407
408
409
410

  return retcode


411
412
413
414
415
416
417
418
419
420
421
422
423
424
def RepairDiskSizes(opts, args):
  """Verify sizes of cluster disks.

  @param opts: the command line options selected by the user
  @type args: list
  @param args: optional list of instances to restrict check to
  @rtype: int
  @return: the desired exit code

  """
  op = opcodes.OpRepairDiskSizes(instances=args)
  SubmitOpCode(op)


425
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
426
427
428
429
430
431
432
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.

433
434
435
436
437
438
  @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
439
  """
440
441
442
443
444
445
446
447
448
  if opts.no_voting:
    usertext = ("This will perform the failover even if most other nodes"
                " are down, or if this node is outdated. This is dangerous"
                " as it can lead to a non-consistent cluster. Check the"
                " gnt-cluster(8) man page before proceeding. Continue?")
    if not AskUser(usertext):
      return 1

  return bootstrap.MasterFailover(no_voting=opts.no_voting)
Iustin Pop's avatar
Iustin Pop committed
449
450


Iustin Pop's avatar
Iustin Pop committed
451
452
453
def SearchTags(opts, args):
  """Searches the tags on all the cluster.

454
455
456
457
458
459
  @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
460
461
462
463
464
465
466
467
  """
  op = opcodes.OpSearchTags(pattern=args[0])
  result = SubmitOpCode(op)
  if not result:
    return 1
  result = list(result)
  result.sort()
  for path, tag in result:
468
    ToStdout("%s %s", path, tag)
Iustin Pop's avatar
Iustin Pop committed
469
470


471
472
473
def SetClusterParams(opts, args):
  """Modify the cluster.

474
475
476
477
478
  @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
479
480

  """
481
482
  if not (not opts.lvm_storage or opts.vg_name or
          opts.enabled_hypervisors or opts.hvparams or
483
484
          opts.beparams or opts.nicparams or
          opts.candidate_pool_size is not None):
485
    ToStderr("Please give at least one of the parameters.")
486
487
488
489
    return 1

  vg_name = opts.vg_name
  if not opts.lvm_storage and opts.vg_name:
490
    ToStdout("Options --no-lvm-storage and --vg-name conflict.")
491
    return 1
492
493
  elif not opts.lvm_storage:
    vg_name = ''
494

495
496
497
498
  hvlist = opts.enabled_hypervisors
  if hvlist is not None:
    hvlist = hvlist.split(",")

499
500
  # a list of (name, dict) we can pass directly to dict() (or [])
  hvparams = dict(opts.hvparams)
501
502
  for hv, hv_params in hvparams.iteritems():
    utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
503
504

  beparams = opts.beparams
505
  utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
506

507
508
509
  nicparams = opts.nicparams
  utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)

510
  op = opcodes.OpSetClusterParams(vg_name=vg_name,
511
512
                                  enabled_hypervisors=hvlist,
                                  hvparams=hvparams,
513
                                  beparams=beparams,
514
                                  nicparams=nicparams,
515
                                  candidate_pool_size=opts.candidate_pool_size)
516
517
518
519
  SubmitOpCode(op)
  return 0


520
521
522
def QueueOps(opts, args):
  """Queue operations.

523
524
525
526
527
528
  @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

529
530
531
532
533
534
535
536
537
  """
  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]:
538
      val = "set"
539
    else:
540
541
      val = "unset"
    ToStdout("The drain flag is %s" % val)
542
543
544
  else:
    raise errors.OpPrereqError("Command '%s' is not valid." % command)

545
546
  return 0

547

548
549
550
551
552
553
554
def _ShowWatcherPause(until):
  if until is None or until < time.time():
    ToStdout("The watcher is not paused.")
  else:
    ToStdout("The watcher is paused until %s.", time.ctime(until))


555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
def WatcherOps(opts, args):
  """Watcher operations.

  @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

  """
  command = args[0]
  client = GetClient()

  if command == "continue":
    client.SetWatcherPause(None)
570
    ToStdout("The watcher is no longer paused.")
571
572
573
574
575

  elif command == "pause":
    if len(args) < 2:
      raise errors.OpPrereqError("Missing pause duration")

576
577
    result = client.SetWatcherPause(time.time() + ParseTimespec(args[1]))
    _ShowWatcherPause(result)
578
579
580

  elif command == "info":
    result = client.QueryConfigValues(["watcher_pause"])
581
    _ShowWatcherPause(result)
582
583
584
585
586
587
588

  else:
    raise errors.OpPrereqError("Command '%s' is not valid." % command)

  return 0


Iustin Pop's avatar
Iustin Pop committed
589
commands = {
Michael Hanselmann's avatar
Michael Hanselmann committed
590
  'init': (InitCluster, [ArgHost(min=1, max=1)],
Iustin Pop's avatar
Iustin Pop committed
591
           [DEBUG_OPT,
592
            SECONDARY_IP_OPT,
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
            cli_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",
                       default=constants.DEFAULT_MAC_PREFIX,),
            cli_option("-g", "--vg-name", dest="vg_name",
                       help="Specify the volume group name "
                       " (cluster-wide) for disk allocation [xenvg]",
                       metavar="VG",
                       default=None,),
            cli_option("--master-netdev", dest="master_netdev",
                       help="Specify the node interface (cluster-wide)"
                         " on which the master IP address will be added "
                         " [%s]" % constants.DEFAULT_BRIDGE,
                       metavar="NETDEV",
                       default=constants.DEFAULT_BRIDGE,),
            cli_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,),
615
            NOLVM_STORAGE_OPT,
616
617
618
619
620
621
622
623
            cli_option("--no-etc-hosts", dest="modify_etc_hosts",
                       help="Don't modify /etc/hosts"
                            " (cluster-wide)",
                       action="store_false", default=True,),
            cli_option("--enabled-hypervisors", dest="enabled_hypervisors",
                       help="Comma-separated list of hypervisors",
                       type="string",
                       default=constants.DEFAULT_ENABLED_HYPERVISOR),
624
            HVLIST_OPT,
625
            BACKEND_OPT,
626
627
628
            cli_option("-N", "--nic-parameters", dest="nicparams",
                       type="keyval", default={},
                       help="NIC parameters"),
629
630
631
632
            cli_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
633
            ],
634
           "[opts...] <cluster_name>",
Iustin Pop's avatar
Iustin Pop committed
635
           "Initialises a new cluster configuration"),
636
  'destroy': (DestroyCluster, ARGS_NONE,
Iustin Pop's avatar
Iustin Pop committed
637
              [DEBUG_OPT,
638
639
640
               cli_option("--yes-do-it", dest="yes_do_it",
                          help="Destroy cluster",
                          action="store_true"),
Iustin Pop's avatar
Iustin Pop committed
641
              ],
642
              "", "Destroy cluster"),
Michael Hanselmann's avatar
Michael Hanselmann committed
643
  'rename': (RenameCluster, [ArgHost(min=1, max=1)],
644
645
646
             [DEBUG_OPT, FORCE_OPT],
             "<new_name>",
             "Renames the cluster"),
647
  'redist-conf': (RedistributeConfig, ARGS_NONE, [DEBUG_OPT, SUBMIT_OPT],
648
649
650
                  "",
                  "Forces a push of the configuration file and ssconf files"
                  " to the nodes in the cluster"),
651
  'verify': (VerifyCluster, ARGS_NONE,
652
             [DEBUG_OPT, VERBOSE_OPT, DEBUG_SIMERR_OPT,
653
654
655
656
657
658
659
              cli_option("--error-codes", dest="error_codes",
                         help="Enable parseable error messages",
                         action="store_true", default=False),
              cli_option("--no-nplus1-mem", dest="skip_nplusone_mem",
                         help="Skip N+1 memory redundancy tests",
                         action="store_true", default=False),
              ],
660
             "", "Does a check on the cluster configuration"),
661
  'verify-disks': (VerifyDisks, ARGS_NONE, [DEBUG_OPT],
662
                   "", "Does a check on the cluster disk status"),
663
  'repair-disk-sizes': (RepairDiskSizes, ARGS_MANY_INSTANCES, [DEBUG_OPT],
664
                   "", "Updates mismatches in recorded disk sizes"),
665
  'masterfailover': (MasterFailover, ARGS_NONE, [DEBUG_OPT,
666
667
668
669
                     cli_option("--no-voting", dest="no_voting",
                                help="Skip node agreement check (dangerous)",
                                action="store_true",
                                default=False,),
670
                     ],
671
                     "", "Makes the current node the master"),
672
  'version': (ShowClusterVersion, ARGS_NONE, [DEBUG_OPT],
673
              "", "Shows the cluster version"),
674
  'getmaster': (ShowClusterMaster, ARGS_NONE, [DEBUG_OPT],
675
                "", "Shows the cluster master"),
676
  'copyfile': (ClusterCopyFile, [ArgFile(min=1, max=1)],
677
               [DEBUG_OPT, NODE_LIST_OPT],
678
               "[-n node...] <filename>",
Iustin Pop's avatar
Iustin Pop committed
679
               "Copies a file to all (or only some) nodes"),
680
681
  'command': (RunClusterCommand, [ArgCommand(min=1)],
              [DEBUG_OPT, NODE_LIST_OPT],
682
              "[-n node...] <command>",
Iustin Pop's avatar
Iustin Pop committed
683
              "Runs a command on all (or only some) nodes"),
684
  'info': (ShowClusterConfig, ARGS_NONE, [DEBUG_OPT],
685
           "", "Show cluster configuration"),
686
  'list-tags': (ListTags, ARGS_NONE,
687
                [DEBUG_OPT], "", "List the tags of the cluster"),
688
  'add-tags': (AddTags, [ArgUnknown()], [DEBUG_OPT, TAG_SRC_OPT],
689
               "tag...", "Add tags to the cluster"),
690
  'remove-tags': (RemoveTags, [ArgUnknown()], [DEBUG_OPT, TAG_SRC_OPT],
691
                  "tag...", "Remove tags from the cluster"),
692
  'search-tags': (SearchTags, [ArgUnknown(min=1, max=1)],
693
                  [DEBUG_OPT], "", "Searches the tags on all objects on"
Iustin Pop's avatar
Iustin Pop committed
694
                  " the cluster for a given pattern (regex)"),
695
696
697
  'queue': (QueueOps,
            [ArgChoice(min=1, max=1, choices=["drain", "undrain", "info"])],
            [DEBUG_OPT],
698
            "drain|undrain|info", "Change queue properties"),
699
700
701
702
703
704
  'watcher': (WatcherOps,
              [ArgChoice(min=1, max=1,
                         choices=["pause", "continue", "info"]),
               ArgSuggest(min=0, max=1, choices=["30m", "1h", "4h"])],
              [DEBUG_OPT],
              "{pause <timespec>|continue|info}", "Change watcher properties"),
705
  'modify': (SetClusterParams, ARGS_NONE,
706
             [DEBUG_OPT,
707
708
709
710
711
              cli_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",),
712
              NOLVM_STORAGE_OPT,
713
714
715
              cli_option("--enabled-hypervisors", dest="enabled_hypervisors",
                         help="Comma-separated list of hypervisors",
                         type="string", default=None),
716
              HVLIST_OPT,
717
              BACKEND_OPT,
718
719
720
              cli_option("-N", "--nic-parameters", dest="nicparams",
                         type="keyval", default={},
                         help="NIC parameters"),
721
722
723
              cli_option("-C", "--candidate-pool-size", default=None,
                         help="Set the candidate pool size",
                         dest="candidate_pool_size", type="int"),
724
725
726
              ],
             "[opts...]",
             "Alters the parameters of the cluster"),
Iustin Pop's avatar
Iustin Pop committed
727
728
729
  }

if __name__ == '__main__':
730
  sys.exit(GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER}))