gnt-cluster 20 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
62
  if hvlist is None:
    hvlist = constants.DEFAULT_ENABLED_HYPERVISOR
63
  hvlist = hvlist.split(",")
64

65
  hvparams = dict(opts.hvparams)
66
  beparams = opts.beparams
67
  nicparams = opts.nicparams
68
69

  # prepare beparams dict
70
  beparams = objects.FillDict(constants.BEC_DEFAULTS, beparams)
71
  utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
72

73
74
75
76
  # prepare nicparams dict
  nicparams = objects.FillDict(constants.NICC_DEFAULTS, nicparams)
  utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)

77
78
79
80
  # prepare hvparams dict
  for hv in constants.HYPER_TYPES:
    if hv not in hvparams:
      hvparams[hv] = {}
81
    hvparams[hv] = objects.FillDict(constants.HVC_DEFAULTS[hv], hvparams[hv])
82
    utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES)
83

84
85
86
  if opts.candidate_pool_size is None:
    opts.candidate_pool_size = constants.MASTER_POOL_SIZE_DEFAULT

87
88
89
  if opts.mac_prefix is None:
    opts.mac_prefix = constants.DEFAULT_MAC_PREFIX

90
91
92
93
94
  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,
95
96
97
                        file_storage_dir=opts.file_storage_dir,
                        enabled_hypervisors=hvlist,
                        hvparams=hvparams,
98
                        beparams=beparams,
99
                        nicparams=nicparams,
100
                        candidate_pool_size=opts.candidate_pool_size,
101
                        modify_etc_hosts=opts.modify_etc_hosts,
102
                        )
103
104
  op = opcodes.OpPostInitCluster()
  SubmitOpCode(op)
Iustin Pop's avatar
Iustin Pop committed
105
106
107
  return 0


108
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
109
110
111
def DestroyCluster(opts, args):
  """Destroy the cluster.

112
113
114
115
116
  @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
117

Iustin Pop's avatar
Iustin Pop committed
118
119
  """
  if not opts.yes_do_it:
120
121
    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
122
123
124
    return 1

  op = opcodes.OpDestroyCluster()
Iustin Pop's avatar
Iustin Pop committed
125
126
127
128
  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
129
130
131
  return 0


132
133
134
def RenameCluster(opts, args):
  """Rename the cluster.

135
136
137
138
139
  @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
140
141
142
143
144
145
146
147

  """
  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
148
    if not AskUser(usertext):
149
150
151
152
153
154
155
      return 1

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


156
157
158
159
160
161
162
163
164
165
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

  """
166
  op = opcodes.OpRedistributeConfig()
167
168
169
170
  SubmitOrSend(op, opts)
  return 0


Iustin Pop's avatar
Iustin Pop committed
171
172
173
def ShowClusterVersion(opts, args):
  """Write version of ganeti software to the standard output.

174
175
176
177
178
  @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
179
180

  """
181
182
  cl = GetClient()
  result = cl.QueryClusterInfo()
183
184
185
186
187
  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
188
189
190
191
192
193
  return 0


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

194
195
196
197
198
  @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
199
200

  """
201
202
  master = bootstrap.GetMaster()
  ToStdout(master)
Iustin Pop's avatar
Iustin Pop committed
203
204
  return 0

205
206
207
208
209
210
211
212
213
214
215
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
216
217
218
219

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

220
221
222
223
224
225
  @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
226
  """
227
228
  cl = GetClient()
  result = cl.QueryClusterInfo()
Iustin Pop's avatar
Iustin Pop committed
229

230
  ToStdout("Cluster name: %s", result["name"])
Iustin Pop's avatar
Iustin Pop committed
231

232
233
234
  ToStdout("Creation time: %s", utils.FormatTime(result["ctime"]))
  ToStdout("Modification time: %s", utils.FormatTime(result["mtime"]))

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
241
242
243
244
245
246
  if result["tags"]:
    tags = ", ".join(utils.NiceSort(result["tags"]))
  else:
    tags = "(none)"

  ToStdout("Tags: %s", tags)

247
  ToStdout("Default hypervisor: %s", result["default_hypervisor"])
248
  ToStdout("Enabled hypervisors: %s", ", ".join(result["enabled_hypervisors"]))
249

250
  ToStdout("Hypervisor parameters:")
251
  _PrintGroupedParams(result["hvparams"])
252

253
  ToStdout("Cluster parameters:")
254
  ToStdout("  - candidate pool size: %s", result["candidate_pool_size"])
255
256
257
  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"])
258
259

  ToStdout("Default instance parameters:")
260
261
262
263
  _PrintGroupedParams(result["beparams"])

  ToStdout("Default nic parameters:")
  _PrintGroupedParams(result["nicparams"])
264

Iustin Pop's avatar
Iustin Pop committed
265
266
267
268
269
270
  return 0


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

271
272
273
274
275
276
  @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
277
278

  """
279
280
281
282
  filename = args[0]
  if not os.path.exists(filename):
    raise errors.OpPrereqError("No such filename '%s'" % filename)

Iustin Pop's avatar
Iustin Pop committed
283
284
  cl = GetClient()

285
286
  myname = utils.HostInfo().name

Iustin Pop's avatar
Iustin Pop committed
287
288
  cluster_name = cl.QueryConfigValues(["cluster_name"])[0]

289
290
  results = GetOnlineNodes(nodes=opts.nodes, cl=cl)
  results = [name for name in results if name != myname]
Michael Hanselmann's avatar
Michael Hanselmann committed
291

Iustin Pop's avatar
Iustin Pop committed
292
  srun = ssh.SshRunner(cluster_name=cluster_name)
293
294
  for node in results:
    if not srun.CopyFileToNode(node, filename):
295
      ToStderr("Copy of file %s to node %s failed", filename, node)
296

Iustin Pop's avatar
Iustin Pop committed
297
298
299
300
301
302
  return 0


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

303
304
305
306
307
  @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
308
309

  """
Iustin Pop's avatar
Iustin Pop committed
310
  cl = GetClient()
Michael Hanselmann's avatar
Michael Hanselmann committed
311

Iustin Pop's avatar
Iustin Pop committed
312
  command = " ".join(args)
313
314

  nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl)
Iustin Pop's avatar
Iustin Pop committed
315
316
317

  cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
                                                    "master_node"])
318

Iustin Pop's avatar
Iustin Pop committed
319
  srun = ssh.SshRunner(cluster_name=cluster_name)
320

Michael Hanselmann's avatar
Michael Hanselmann committed
321
  # Make sure master node is at list end
322
323
324
325
326
327
  if master_node in nodes:
    nodes.remove(master_node)
    nodes.append(master_node)

  for name in nodes:
    result = srun.Run(name, "root", command)
328
329
330
331
    ToStdout("------------------------------------------------")
    ToStdout("node: %s", name)
    ToStdout("%s", result.output)
    ToStdout("return code = %s", result.exit_code)
332
333

  return 0
Iustin Pop's avatar
Iustin Pop committed
334
335
336
337
338


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

339
340
341
342
343
  @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
344
345

  """
Iustin Pop's avatar
Iustin Pop committed
346
  skip_checks = []
347
348
  if opts.skip_nplusone_mem:
    skip_checks.append(constants.VERIFY_NPLUSONE_MEM)
349
350
  op = opcodes.OpVerifyCluster(skip_checks=skip_checks,
                               verbose=opts.verbose,
351
352
                               error_codes=opts.error_codes,
                               debug_simulate_errors=opts.simulate_errors)
353
354
355
356
  if SubmitOpCode(op):
    return 0
  else:
    return 1
Iustin Pop's avatar
Iustin Pop committed
357
358


359
360
361
def VerifyDisks(opts, args):
  """Verify integrity of cluster disks.

362
363
364
365
366
  @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
367
368
369
370

  """
  op = opcodes.OpVerifyDisks()
  result = SubmitOpCode(op)
371
  if not isinstance(result, (list, tuple)) or len(result) != 3:
372
373
    raise errors.ProgrammerError("Unknown result type for OpVerifyDisks")

374
  bad_nodes, instances, missing = result
375

376
  retcode = constants.EXIT_SUCCESS
377

378
379
380
  if bad_nodes:
    for node, text in bad_nodes.items():
      ToStdout("Error gathering data on node %s: %s",
381
               node, utils.SafeEncode(text[-400:]))
382
      retcode |= 1
383
      ToStdout("You need to fix these nodes first before fixing instances")
384

385
386
  if instances:
    for iname in instances:
387
388
      if iname in missing:
        continue
389
390
      op = opcodes.OpActivateInstanceDisks(instance_name=iname)
      try:
391
        ToStdout("Activating disks for instance '%s'", iname)
392
393
394
395
        SubmitOpCode(op)
      except errors.GenericError, err:
        nret, msg = FormatError(err)
        retcode |= nret
396
        ToStderr("Error activating disks for instance %s: %s", iname, msg)
397
398
399

  if missing:
    for iname, ival in missing.iteritems():
400
      all_missing = utils.all(ival, lambda x: x[0] in bad_nodes)
401
      if all_missing:
402
403
        ToStdout("Instance %s cannot be verified as it lives on"
                 " broken nodes", iname)
404
      else:
405
        ToStdout("Instance %s has missing logical volumes:", iname)
406
407
        ival.sort()
        for node, vol in ival:
408
          if node in bad_nodes:
409
            ToStdout("\tbroken node %s /dev/xenvg/%s", node, vol)
410
          else:
411
412
            ToStdout("\t%s /dev/xenvg/%s", node, vol)
    ToStdout("You need to run replace_disks for all the above"
413
414
           " instances, if this message persist after fixing nodes.")
    retcode |= 1
415
416
417
418

  return retcode


419
420
421
422
423
424
425
426
427
428
429
430
431
432
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)


433
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
434
435
436
437
438
439
440
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.

441
442
443
444
445
446
  @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
447
  """
448
449
450
451
452
453
454
455
456
  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
457
458


Iustin Pop's avatar
Iustin Pop committed
459
460
461
def SearchTags(opts, args):
  """Searches the tags on all the cluster.

462
463
464
465
466
467
  @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
468
469
470
471
472
473
474
475
  """
  op = opcodes.OpSearchTags(pattern=args[0])
  result = SubmitOpCode(op)
  if not result:
    return 1
  result = list(result)
  result.sort()
  for path, tag in result:
476
    ToStdout("%s %s", path, tag)
Iustin Pop's avatar
Iustin Pop committed
477
478


479
480
481
def SetClusterParams(opts, args):
  """Modify the cluster.

482
483
484
485
486
  @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
487
488

  """
489
490
  if not (not opts.lvm_storage or opts.vg_name or
          opts.enabled_hypervisors or opts.hvparams or
491
492
          opts.beparams or opts.nicparams or
          opts.candidate_pool_size is not None):
493
    ToStderr("Please give at least one of the parameters.")
494
495
496
497
    return 1

  vg_name = opts.vg_name
  if not opts.lvm_storage and opts.vg_name:
498
    ToStdout("Options --no-lvm-storage and --vg-name conflict.")
499
    return 1
500
501
  elif not opts.lvm_storage:
    vg_name = ''
502

503
504
505
506
  hvlist = opts.enabled_hypervisors
  if hvlist is not None:
    hvlist = hvlist.split(",")

507
508
  # a list of (name, dict) we can pass directly to dict() (or [])
  hvparams = dict(opts.hvparams)
509
510
  for hv, hv_params in hvparams.iteritems():
    utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
511
512

  beparams = opts.beparams
513
  utils.ForceDictType(beparams, constants.BES_PARAMETER_TYPES)
514

515
516
517
  nicparams = opts.nicparams
  utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)

518
  op = opcodes.OpSetClusterParams(vg_name=vg_name,
519
520
                                  enabled_hypervisors=hvlist,
                                  hvparams=hvparams,
521
                                  beparams=beparams,
522
                                  nicparams=nicparams,
523
                                  candidate_pool_size=opts.candidate_pool_size)
524
525
526
527
  SubmitOpCode(op)
  return 0


528
529
530
def QueueOps(opts, args):
  """Queue operations.

531
532
533
534
535
536
  @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

537
538
539
540
541
542
543
544
545
  """
  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]:
546
      val = "set"
547
    else:
548
549
      val = "unset"
    ToStdout("The drain flag is %s" % val)
550
551
552
  else:
    raise errors.OpPrereqError("Command '%s' is not valid." % command)

553
554
  return 0

555

556
557
558
559
560
561
562
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))


563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
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)
578
    ToStdout("The watcher is no longer paused.")
579
580
581
582
583

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

584
585
    result = client.SetWatcherPause(time.time() + ParseTimespec(args[1]))
    _ShowWatcherPause(result)
586
587
588

  elif command == "info":
    result = client.QueryConfigValues(["watcher_pause"])
589
    _ShowWatcherPause(result)
590
591
592
593
594
595
596

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

  return 0


Iustin Pop's avatar
Iustin Pop committed
597
commands = {
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
  'init': (
    InitCluster, [ArgHost(min=1, max=1)],
    [DEBUG_OPT, BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, GLOBAL_FILEDIR_OPT,
     HVLIST_OPT, MAC_PREFIX_OPT, MASTER_NETDEV_OPT, NIC_PARAMS_OPT,
     NOLVM_STORAGE_OPT, NOMODIFY_ETCHOSTS_OPT, SECONDARY_IP_OPT, VG_NAME_OPT],
    "[opts...] <cluster_name>", "Initialises a new cluster configuration"),
  'destroy': (
    DestroyCluster, ARGS_NONE,
    [DEBUG_OPT, YES_DOIT_OPT],
    "", "Destroy cluster"),
  'rename': (
    RenameCluster, [ArgHost(min=1, max=1)],
    [DEBUG_OPT, FORCE_OPT],
    "<new_name>",
    "Renames the cluster"),
  '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"),
  'verify': (
    VerifyCluster, ARGS_NONE,
    [DEBUG_OPT, VERBOSE_OPT, DEBUG_SIMERR_OPT, ERROR_CODES_OPT, NONPLUS1_OPT],
    "", "Does a check on the cluster configuration"),
  'verify-disks': (
    VerifyDisks, ARGS_NONE, [DEBUG_OPT],
    "", "Does a check on the cluster disk status"),
  'repair-disk-sizes': (
    RepairDiskSizes, ARGS_MANY_INSTANCES, [DEBUG_OPT],
    "", "Updates mismatches in recorded disk sizes"),
  'masterfailover': (
    MasterFailover, ARGS_NONE, [DEBUG_OPT, NOVOTING_OPT],
    "", "Makes the current node the master"),
  'version': (
    ShowClusterVersion, ARGS_NONE, [DEBUG_OPT],
    "", "Shows the cluster version"),
  'getmaster': (
    ShowClusterMaster, ARGS_NONE, [DEBUG_OPT],
    "", "Shows the cluster master"),
  'copyfile': (
    ClusterCopyFile, [ArgFile(min=1, max=1)],
    [DEBUG_OPT, NODE_LIST_OPT],
    "[-n node...] <filename>", "Copies a file to all (or only some) nodes"),
  'command': (
    RunClusterCommand, [ArgCommand(min=1)],
    [DEBUG_OPT, NODE_LIST_OPT],
    "[-n node...] <command>", "Runs a command on all (or only some) nodes"),
  'info': (
    ShowClusterConfig, ARGS_NONE, [DEBUG_OPT],
    "", "Show cluster configuration"),
  'list-tags': (
    ListTags, ARGS_NONE,
    [DEBUG_OPT], "", "List the tags of the cluster"),
  'add-tags': (
    AddTags, [ArgUnknown()], [DEBUG_OPT, TAG_SRC_OPT],
    "tag...", "Add tags to the cluster"),
  'remove-tags': (
    RemoveTags, [ArgUnknown()], [DEBUG_OPT, TAG_SRC_OPT],
    "tag...", "Remove tags from the cluster"),
  'search-tags': (
    SearchTags, [ArgUnknown(min=1, max=1)],
    [DEBUG_OPT], "", "Searches the tags on all objects on"
    " the cluster for a given pattern (regex)"),
  'queue': (
    QueueOps,
    [ArgChoice(min=1, max=1, choices=["drain", "undrain", "info"])],
    [DEBUG_OPT], "drain|undrain|info", "Change queue properties"),
  '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"),
  'modify': (
    SetClusterParams, ARGS_NONE,
    [DEBUG_OPT, BACKEND_OPT, CP_SIZE_OPT, ENABLED_HV_OPT, HVLIST_OPT,
     NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, VG_NAME_OPT],
    "[opts...]",
    "Alters the parameters of the cluster"),
Iustin Pop's avatar
Iustin Pop committed
676
677
678
  }

if __name__ == '__main__':
679
  sys.exit(GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER}))