gnt_cluster.py 51.8 KB
Newer Older
1
#
Iustin Pop's avatar
Iustin Pop committed
2
3
#

Iustin Pop's avatar
Iustin Pop committed
4
# Copyright (C) 2006, 2007, 2010, 2011, 2012 Google Inc.
Iustin Pop's avatar
Iustin Pop committed
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
#
# 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.

Iustin Pop's avatar
Iustin Pop committed
21
"""Cluster related commands"""
Iustin Pop's avatar
Iustin Pop committed
22

23
# pylint: disable=W0401,W0613,W0614,C0103
24
# W0401: Wildcard import ganeti.cli
25
# W0613: Unused argument, since all functions follow the same API
26
# W0614: Unused import %s from wildcard import (since we need cli)
Iustin Pop's avatar
Iustin Pop committed
27
# C0103: Invalid name gnt-cluster
28

29
import os.path
30
import time
31
import OpenSSL
René Nussbaumer's avatar
René Nussbaumer committed
32
import itertools
Iustin Pop's avatar
Iustin Pop committed
33
34
35

from ganeti.cli import *
from ganeti import opcodes
36
from ganeti import constants
37
from ganeti import errors
38
from ganeti import utils
39
from ganeti import bootstrap
40
from ganeti import ssh
41
from ganeti import objects
42
from ganeti import uidpool
43
from ganeti import compat
René Nussbaumer's avatar
René Nussbaumer committed
44
from ganeti import netutils
45
from ganeti import pathutils
René Nussbaumer's avatar
René Nussbaumer committed
46
47
48
49
50
51
52


ON_OPT = cli_option("--on", default=False,
                    action="store_true", dest="on",
                    help="Recover from an EPO")

GROUPS_OPT = cli_option("--groups", default=False,
Iustin Pop's avatar
Iustin Pop committed
53
54
                        action="store_true", dest="groups",
                        help="Arguments are node groups instead of nodes")
René Nussbaumer's avatar
René Nussbaumer committed
55

56
57
58
59
SHOW_MACHINE_OPT = cli_option("-M", "--show-machine-names", default=False,
                              action="store_true",
                              help="Show machine name for every line in output")

René Nussbaumer's avatar
René Nussbaumer committed
60
61
62
_EPO_PING_INTERVAL = 30 # 30 seconds between pings
_EPO_PING_TIMEOUT = 1 # 1 second
_EPO_REACHABLE_TIMEOUT = 15 * 60 # 15 minutes
Iustin Pop's avatar
Iustin Pop committed
63
64


65
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
66
67
68
def InitCluster(opts, args):
  """Initialize the cluster.

69
70
71
72
73
74
  @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
75
76

  """
77
  if not opts.lvm_storage and opts.vg_name:
78
    ToStderr("Options --no-lvm-storage and --vg-name conflict.")
79
80
81
82
83
84
    return 1

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

85
86
87
88
89
90
91
92
  if not opts.drbd_storage and opts.drbd_helper:
    ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
    return 1

  drbd_helper = opts.drbd_helper
  if opts.drbd_storage and not opts.drbd_helper:
    drbd_helper = constants.DEFAULT_DRBD_HELPER

93
94
95
96
  master_netdev = opts.master_netdev
  if master_netdev is None:
    master_netdev = constants.DEFAULT_BRIDGE

97
  hvlist = opts.enabled_hypervisors
98
99
  if hvlist is None:
    hvlist = constants.DEFAULT_ENABLED_HYPERVISOR
100
  hvlist = hvlist.split(",")
101

102
  hvparams = dict(opts.hvparams)
103
  beparams = opts.beparams
104
  nicparams = opts.nicparams
105

106
107
108
109
110
111
112
113
114
115
  diskparams = dict(opts.diskparams)

  # check the disk template types here, as we cannot rely on the type check done
  # by the opcode parameter types
  diskparams_keys = set(diskparams.keys())
  if not (diskparams_keys <= constants.DISK_TEMPLATES):
    unknown = utils.NiceSort(diskparams_keys - constants.DISK_TEMPLATES)
    ToStderr("Disk templates unknown: %s" % utils.CommaJoin(unknown))
    return 1

116
  # prepare beparams dict
117
  beparams = objects.FillDict(constants.BEC_DEFAULTS, beparams)
118
  utils.ForceDictType(beparams, constants.BES_PARAMETER_COMPAT)
119

120
121
122
123
  # prepare nicparams dict
  nicparams = objects.FillDict(constants.NICC_DEFAULTS, nicparams)
  utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)

124
125
126
127
128
129
130
  # prepare ndparams dict
  if opts.ndparams is None:
    ndparams = dict(constants.NDC_DEFAULTS)
  else:
    ndparams = objects.FillDict(constants.NDC_DEFAULTS, opts.ndparams)
    utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES)

131
132
133
134
  # prepare hvparams dict
  for hv in constants.HYPER_TYPES:
    if hv not in hvparams:
      hvparams[hv] = {}
135
    hvparams[hv] = objects.FillDict(constants.HVC_DEFAULTS[hv], hvparams[hv])
136
    utils.ForceDictType(hvparams[hv], constants.HVS_PARAMETER_TYPES)
137

138
139
140
141
142
143
144
145
  # prepare diskparams dict
  for templ in constants.DISK_TEMPLATES:
    if templ not in diskparams:
      diskparams[templ] = {}
    diskparams[templ] = objects.FillDict(constants.DISK_DT_DEFAULTS[templ],
                                         diskparams[templ])
    utils.ForceDictType(diskparams[templ], constants.DISK_DT_TYPES)

146
  # prepare ipolicy dict
147
  ipolicy_raw = CreateIPolicyFromOpts(
148
149
150
151
152
153
154
    ispecs_mem_size=opts.ispecs_mem_size,
    ispecs_cpu_count=opts.ispecs_cpu_count,
    ispecs_disk_count=opts.ispecs_disk_count,
    ispecs_disk_size=opts.ispecs_disk_size,
    ispecs_nic_count=opts.ispecs_nic_count,
    ipolicy_disk_templates=opts.ipolicy_disk_templates,
    ipolicy_vcpu_ratio=opts.ipolicy_vcpu_ratio,
155
    ipolicy_spindle_ratio=opts.ipolicy_spindle_ratio,
156
    fill_all=True)
157
  ipolicy = objects.FillIPolicy(constants.IPOLICY_DEFAULTS, ipolicy_raw)
158

159
160
161
  if opts.candidate_pool_size is None:
    opts.candidate_pool_size = constants.MASTER_POOL_SIZE_DEFAULT

162
163
164
  if opts.mac_prefix is None:
    opts.mac_prefix = constants.DEFAULT_MAC_PREFIX

165
166
167
168
  uid_pool = opts.uid_pool
  if uid_pool is not None:
    uid_pool = uidpool.ParseUidPool(uid_pool)

169
170
171
  if opts.prealloc_wipe_disks is None:
    opts.prealloc_wipe_disks = False

172
173
174
175
  external_ip_setup_script = opts.use_external_mip_script
  if external_ip_setup_script is None:
    external_ip_setup_script = False

176
177
178
179
180
181
  try:
    primary_ip_version = int(opts.primary_ip_version)
  except (ValueError, TypeError), err:
    ToStderr("Invalid primary ip version value: %s" % str(err))
    return 1

182
183
184
185
186
187
188
189
  master_netmask = opts.master_netmask
  try:
    if master_netmask is not None:
      master_netmask = int(master_netmask)
  except (ValueError, TypeError), err:
    ToStderr("Invalid master netmask value: %s" % str(err))
    return 1

190
191
192
193
194
195
196
  if opts.disk_state:
    disk_state = utils.FlatToDict(opts.disk_state)
  else:
    disk_state = {}

  hv_state = dict(opts.hv_state)

197
198
199
200
  bootstrap.InitCluster(cluster_name=args[0],
                        secondary_ip=opts.secondary_ip,
                        vg_name=vg_name,
                        mac_prefix=opts.mac_prefix,
201
                        master_netmask=master_netmask,
202
                        master_netdev=master_netdev,
203
                        file_storage_dir=opts.file_storage_dir,
204
                        shared_file_storage_dir=opts.shared_file_storage_dir,
205
206
                        enabled_hypervisors=hvlist,
                        hvparams=hvparams,
207
                        beparams=beparams,
208
                        nicparams=nicparams,
209
                        ndparams=ndparams,
210
                        diskparams=diskparams,
211
                        ipolicy=ipolicy,
212
                        candidate_pool_size=opts.candidate_pool_size,
213
                        modify_etc_hosts=opts.modify_etc_hosts,
214
                        modify_ssh_setup=opts.modify_ssh_setup,
215
                        maintain_node_health=opts.maintain_node_health,
216
                        drbd_helper=drbd_helper,
217
                        uid_pool=uid_pool,
218
                        default_iallocator=opts.default_iallocator,
219
                        primary_ip_version=primary_ip_version,
220
                        prealloc_wipe_disks=opts.prealloc_wipe_disks,
221
                        use_external_mip_script=external_ip_setup_script,
222
223
                        hv_state=hv_state,
                        disk_state=disk_state,
224
                        )
225
  op = opcodes.OpClusterPostInit()
226
  SubmitOpCode(op, opts=opts)
Iustin Pop's avatar
Iustin Pop committed
227
228
229
  return 0


230
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
231
232
233
def DestroyCluster(opts, args):
  """Destroy the cluster.

234
235
236
237
238
  @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
239

Iustin Pop's avatar
Iustin Pop committed
240
241
  """
  if not opts.yes_do_it:
242
243
    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
244
245
    return 1

246
  op = opcodes.OpClusterDestroy()
247
  master = SubmitOpCode(op, opts=opts)
Iustin Pop's avatar
Iustin Pop committed
248
249
250
  # 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
251
252
253
  return 0


254
255
256
def RenameCluster(opts, args):
  """Rename the cluster.

257
258
259
260
261
  @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
262
263

  """
264
265
266
267
268
  cl = GetClient()

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

  new_name = args[0]
269
  if not opts.force:
270
271
272
273
274
    usertext = ("This will rename the cluster from '%s' 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?") % (cluster_name, new_name)
275
    if not AskUser(usertext):
276
277
      return 1

278
  op = opcodes.OpClusterRename(name=new_name)
279
280
  result = SubmitOpCode(op, opts=opts, cl=cl)

281
282
  if result:
    ToStdout("Cluster renamed from '%s' to '%s'", cluster_name, result)
283

284
285
286
  return 0


287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
def ActivateMasterIp(opts, args):
  """Activates the master IP.

  """
  op = opcodes.OpClusterActivateMasterIp()
  SubmitOpCode(op)
  return 0


def DeactivateMasterIp(opts, args):
  """Deactivates the master IP.

  """
  if not opts.confirm:
    usertext = ("This will disable the master IP. All the open connections to"
                " the master IP will be closed. To reach the master you will"
                " need to use its node IP."
                " Continue?")
    if not AskUser(usertext):
      return 1

  op = opcodes.OpClusterDeactivateMasterIp()
  SubmitOpCode(op)
  return 0


313
314
315
316
317
318
319
320
321
322
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

  """
323
  op = opcodes.OpClusterRedistConf()
324
325
326
327
  SubmitOrSend(op, opts)
  return 0


Iustin Pop's avatar
Iustin Pop committed
328
329
330
def ShowClusterVersion(opts, args):
  """Write version of ganeti software to the standard output.

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

  """
338
  cl = GetClient(query=True)
339
  result = cl.QueryClusterInfo()
340
341
342
343
344
  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
345
346
347
348
349
350
  return 0


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

351
352
353
354
355
  @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
356
357

  """
358
359
  master = bootstrap.GetMaster()
  ToStdout(master)
Iustin Pop's avatar
Iustin Pop committed
360
361
  return 0

362

Guido Trotter's avatar
Guido Trotter committed
363
def _PrintGroupedParams(paramsdict, level=1, roman=False):
364
365
366
367
  """Print Grouped parameters (be, nic, disk) by group.

  @type paramsdict: dict of dicts
  @param paramsdict: {group: {param: value, ...}, ...}
368
369
  @type level: int
  @param level: Level of indention
370
371

  """
372
  indent = "  " * level
373
  for item, val in sorted(paramsdict.items()):
374
375
    if isinstance(val, dict):
      ToStdout("%s- %s:", indent, item)
Guido Trotter's avatar
Guido Trotter committed
376
377
378
      _PrintGroupedParams(val, level=level + 1, roman=roman)
    elif roman and isinstance(val, int):
      ToStdout("%s  %s: %s", indent, item, compat.TryToRoman(val))
379
380
    else:
      ToStdout("%s  %s: %s", indent, item, val)
Iustin Pop's avatar
Iustin Pop committed
381

382

Iustin Pop's avatar
Iustin Pop committed
383
384
385
def ShowClusterConfig(opts, args):
  """Shows cluster information.

386
387
388
389
390
391
  @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
392
  """
393
  cl = GetClient(query=True)
394
  result = cl.QueryClusterInfo()
Iustin Pop's avatar
Iustin Pop committed
395

396
  ToStdout("Cluster name: %s", result["name"])
397
  ToStdout("Cluster UUID: %s", result["uuid"])
Iustin Pop's avatar
Iustin Pop committed
398

399
400
401
  ToStdout("Creation time: %s", utils.FormatTime(result["ctime"]))
  ToStdout("Modification time: %s", utils.FormatTime(result["mtime"]))

402
  ToStdout("Master node: %s", result["master"])
Iustin Pop's avatar
Iustin Pop committed
403

404
405
  ToStdout("Architecture (this node): %s (%s)",
           result["architecture"][0], result["architecture"][1])
Iustin Pop's avatar
Iustin Pop committed
406

407
  if result["tags"]:
408
    tags = utils.CommaJoin(utils.NiceSort(result["tags"]))
409
410
411
412
413
  else:
    tags = "(none)"

  ToStdout("Tags: %s", tags)

414
  ToStdout("Default hypervisor: %s", result["default_hypervisor"])
415
416
  ToStdout("Enabled hypervisors: %s",
           utils.CommaJoin(result["enabled_hypervisors"]))
417

418
  ToStdout("Hypervisor parameters:")
419
  _PrintGroupedParams(result["hvparams"])
420

421
  ToStdout("OS-specific hypervisor parameters:")
422
423
  _PrintGroupedParams(result["os_hvp"])

424
425
426
  ToStdout("OS parameters:")
  _PrintGroupedParams(result["osparams"])

427
428
429
  ToStdout("Hidden OSes: %s", utils.CommaJoin(result["hidden_os"]))
  ToStdout("Blacklisted OSes: %s", utils.CommaJoin(result["blacklisted_os"]))

430
  ToStdout("Cluster parameters:")
Guido Trotter's avatar
Guido Trotter committed
431
432
433
  ToStdout("  - candidate pool size: %s",
            compat.TryToRoman(result["candidate_pool_size"],
                              convert=opts.roman_integers))
434
  ToStdout("  - master netdev: %s", result["master_netdev"])
435
  ToStdout("  - master netmask: %s", result["master_netmask"])
436
437
  ToStdout("  - use external master IP address setup script: %s",
           result["use_external_mip_script"])
438
  ToStdout("  - lvm volume group: %s", result["volume_group_name"])
439
440
441
442
443
  if result["reserved_lvs"]:
    reserved_lvs = utils.CommaJoin(result["reserved_lvs"])
  else:
    reserved_lvs = "(none)"
  ToStdout("  - lvm reserved volumes: %s", reserved_lvs)
444
  ToStdout("  - drbd usermode helper: %s", result["drbd_usermode_helper"])
445
  ToStdout("  - file storage path: %s", result["file_storage_dir"])
446
447
  ToStdout("  - shared file storage path: %s",
           result["shared_file_storage_dir"])
448
449
  ToStdout("  - maintenance of node health: %s",
           result["maintain_node_health"])
Guido Trotter's avatar
Guido Trotter committed
450
451
452
  ToStdout("  - uid pool: %s",
            uidpool.FormatUidPool(result["uid_pool"],
                                  roman=opts.roman_integers))
453
  ToStdout("  - default instance allocator: %s", result["default_iallocator"])
454
  ToStdout("  - primary ip version: %d", result["primary_ip_version"])
455
  ToStdout("  - preallocation wipe disks: %s", result["prealloc_wipe_disks"])
456
  ToStdout("  - OS search path: %s", utils.CommaJoin(pathutils.OS_SEARCH_PATH))
457

458
459
460
  ToStdout("Default node parameters:")
  _PrintGroupedParams(result["ndparams"], roman=opts.roman_integers)

461
  ToStdout("Default instance parameters:")
Guido Trotter's avatar
Guido Trotter committed
462
  _PrintGroupedParams(result["beparams"], roman=opts.roman_integers)
463
464

  ToStdout("Default nic parameters:")
Guido Trotter's avatar
Guido Trotter committed
465
  _PrintGroupedParams(result["nicparams"], roman=opts.roman_integers)
466

467
468
469
  ToStdout("Default disk parameters:")
  _PrintGroupedParams(result["diskparams"], roman=opts.roman_integers)

470
  ToStdout("Instance policy - limits for instances:")
471
  for key in constants.IPOLICY_ISPECS:
472
473
    ToStdout("  - %s", key)
    _PrintGroupedParams(result["ipolicy"][key], roman=opts.roman_integers)
474
  ToStdout("  - enabled disk templates: %s",
475
           utils.CommaJoin(result["ipolicy"][constants.IPOLICY_DTS]))
476
477
  for key in constants.IPOLICY_PARAMETERS:
    ToStdout("  - %s: %s", key, result["ipolicy"][key])
478

Iustin Pop's avatar
Iustin Pop committed
479
480
481
482
483
484
  return 0


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

485
486
487
488
489
490
  @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
491
492

  """
493
494
  filename = args[0]
  if not os.path.exists(filename):
495
496
    raise errors.OpPrereqError("No such filename '%s'" % filename,
                               errors.ECODE_INVAL)
497

Iustin Pop's avatar
Iustin Pop committed
498
499
500
501
  cl = GetClient()

  cluster_name = cl.QueryConfigValues(["cluster_name"])[0]

502
  results = GetOnlineNodes(nodes=opts.nodes, cl=cl, filter_master=True,
503
504
                           secondary_ips=opts.use_replication_network,
                           nodegroup=opts.nodegroup)
Michael Hanselmann's avatar
Michael Hanselmann committed
505

Iustin Pop's avatar
Iustin Pop committed
506
  srun = ssh.SshRunner(cluster_name=cluster_name)
507
508
  for node in results:
    if not srun.CopyFileToNode(node, filename):
509
      ToStderr("Copy of file %s to node %s failed", filename, node)
510

Iustin Pop's avatar
Iustin Pop committed
511
512
513
514
515
516
  return 0


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

517
518
519
520
521
  @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
522
523

  """
Iustin Pop's avatar
Iustin Pop committed
524
  cl = GetClient()
Michael Hanselmann's avatar
Michael Hanselmann committed
525

Iustin Pop's avatar
Iustin Pop committed
526
  command = " ".join(args)
527

528
  nodes = GetOnlineNodes(nodes=opts.nodes, cl=cl, nodegroup=opts.nodegroup)
Iustin Pop's avatar
Iustin Pop committed
529
530
531

  cluster_name, master_node = cl.QueryConfigValues(["cluster_name",
                                                    "master_node"])
532

Iustin Pop's avatar
Iustin Pop committed
533
  srun = ssh.SshRunner(cluster_name=cluster_name)
534

Michael Hanselmann's avatar
Michael Hanselmann committed
535
  # Make sure master node is at list end
536
537
538
539
540
  if master_node in nodes:
    nodes.remove(master_node)
    nodes.append(master_node)

  for name in nodes:
Michael Hanselmann's avatar
Michael Hanselmann committed
541
    result = srun.Run(name, constants.SSH_LOGIN_USER, command)
542
    ToStdout("------------------------------------------------")
543
544
545
546
547
548
    if opts.show_machine_names:
      for line in result.output.splitlines():
        ToStdout("%s: %s", name, line)
    else:
      ToStdout("node: %s", name)
      ToStdout("%s", result.output)
549
    ToStdout("return code = %s", result.exit_code)
550
551

  return 0
Iustin Pop's avatar
Iustin Pop committed
552
553
554
555
556


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

557
558
559
560
561
  @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
562
563

  """
Iustin Pop's avatar
Iustin Pop committed
564
  skip_checks = []
565

566
567
  if opts.skip_nplusone_mem:
    skip_checks.append(constants.VERIFY_NPLUSONE_MEM)
568

569
  cl = GetClient()
570

571
572
573
574
  op = opcodes.OpClusterVerify(verbose=opts.verbose,
                               error_codes=opts.error_codes,
                               debug_simulate_errors=opts.simulate_errors,
                               skip_checks=skip_checks,
575
                               ignore_errors=opts.ignore_errors,
576
577
                               group_name=opts.nodegroup)
  result = SubmitOpCode(op, cl=cl, opts=opts)
578

579
580
581
582
583
  # Keep track of submitted jobs
  jex = JobExecutor(cl=cl, opts=opts)

  for (status, job_id) in result[constants.JOB_IDS_KEY]:
    jex.AddJobId(None, status, job_id)
584

585
  results = jex.GetResults()
586
587
588
589
590
591
592
593
594
595
596
597

  (bad_jobs, bad_results) = \
    map(len,
        # Convert iterators to lists
        map(list,
            # Count errors
            map(compat.partial(itertools.ifilterfalse, bool),
                # Convert result to booleans in a tuple
                zip(*((job_success, len(op_results) == 1 and op_results[0])
                      for (job_success, op_results) in results)))))

  if bad_jobs == 0 and bad_results == 0:
598
    rcode = constants.EXIT_SUCCESS
Guido Trotter's avatar
Guido Trotter committed
599
  else:
600
    rcode = constants.EXIT_FAILURE
601
602
    if bad_jobs > 0:
      ToStdout("%s job(s) failed while verifying the cluster.", bad_jobs)
603
604

  return rcode
Iustin Pop's avatar
Iustin Pop committed
605
606


607
608
609
def VerifyDisks(opts, args):
  """Verify integrity of cluster disks.

610
611
612
613
614
  @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
615
616

  """
617
618
  cl = GetClient()

619
  op = opcodes.OpClusterVerifyDisks()
620

621
622
623
624
625
626
627
  result = SubmitOpCode(op, cl=cl, opts=opts)

  # Keep track of submitted jobs
  jex = JobExecutor(cl=cl, opts=opts)

  for (status, job_id) in result[constants.JOB_IDS_KEY]:
    jex.AddJobId(None, status, job_id)
628

629
  retcode = constants.EXIT_SUCCESS
630

631
632
633
634
635
636
637
  for (status, result) in jex.GetResults():
    if not status:
      ToStdout("Job failed: %s", result)
      continue

    ((bad_nodes, instances, missing), ) = result

638
639
    for node, text in bad_nodes.items():
      ToStdout("Error gathering data on node %s: %s",
640
               node, utils.SafeEncode(text[-400:]))
641
      retcode = constants.EXIT_FAILURE
642
      ToStdout("You need to fix these nodes first before fixing instances")
643

644
    for iname in instances:
645
646
      if iname in missing:
        continue
647
      op = opcodes.OpInstanceActivateDisks(instance_name=iname)
648
      try:
649
        ToStdout("Activating disks for instance '%s'", iname)
650
        SubmitOpCode(op, opts=opts, cl=cl)
651
652
653
      except errors.GenericError, err:
        nret, msg = FormatError(err)
        retcode |= nret
654
        ToStderr("Error activating disks for instance %s: %s", iname, msg)
655

656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
    if missing:
      for iname, ival in missing.iteritems():
        all_missing = compat.all(x[0] in bad_nodes for x in ival)
        if all_missing:
          ToStdout("Instance %s cannot be verified as it lives on"
                   " broken nodes", iname)
        else:
          ToStdout("Instance %s has missing logical volumes:", iname)
          ival.sort()
          for node, vol in ival:
            if node in bad_nodes:
              ToStdout("\tbroken node %s /dev/%s", node, vol)
            else:
              ToStdout("\t%s /dev/%s", node, vol)

      ToStdout("You need to replace or recreate disks for all the above"
               " instances if this message persists after fixing broken nodes.")
      retcode = constants.EXIT_FAILURE
674
675
    elif not instances:
      ToStdout("No disks need to be activated.")
676
677
678
679

  return retcode


680
681
682
683
684
685
686
687
688
689
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

  """
690
  op = opcodes.OpClusterRepairDiskSizes(instances=args)
691
  SubmitOpCode(op, opts=opts)
692
693


694
@UsesRPC
Iustin Pop's avatar
Iustin Pop committed
695
696
697
698
699
700
701
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.

702
703
704
705
706
707
  @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
708
  """
709
710
711
712
713
714
715
716
717
  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
718
719


Iustin Pop's avatar
Iustin Pop committed
720
721
722
723
724
725
726
727
728
729
730
731
732
733
def MasterPing(opts, args):
  """Checks if the master is alive.

  @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

  """
  try:
    cl = GetClient()
    cl.QueryClusterInfo()
    return 0
734
  except Exception: # pylint: disable=W0703
Iustin Pop's avatar
Iustin Pop committed
735
736
737
    return 1


Iustin Pop's avatar
Iustin Pop committed
738
739
740
def SearchTags(opts, args):
  """Searches the tags on all the cluster.

741
742
743
744
745
746
  @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
747
  """
748
  op = opcodes.OpTagsSearch(pattern=args[0])
749
  result = SubmitOpCode(op, opts=opts)
Iustin Pop's avatar
Iustin Pop committed
750
751
752
753
754
  if not result:
    return 1
  result = list(result)
  result.sort()
  for path, tag in result:
755
    ToStdout("%s %s", path, tag)
Iustin Pop's avatar
Iustin Pop committed
756
757


758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
def _ReadAndVerifyCert(cert_filename, verify_private_key=False):
  """Reads and verifies an X509 certificate.

  @type cert_filename: string
  @param cert_filename: the path of the file containing the certificate to
                        verify encoded in PEM format
  @type verify_private_key: bool
  @param verify_private_key: whether to verify the private key in addition to
                             the public certificate
  @rtype: string
  @return: a string containing the PEM-encoded certificate.

  """
  try:
    pem = utils.ReadFile(cert_filename)
  except IOError, err:
    raise errors.X509CertError(cert_filename,
                               "Unable to read certificate: %s" % str(err))

  try:
    OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, pem)
  except Exception, err:
    raise errors.X509CertError(cert_filename,
                               "Unable to load certificate: %s" % str(err))

  if verify_private_key:
    try:
      OpenSSL.crypto.load_privatekey(OpenSSL.crypto.FILETYPE_PEM, pem)
    except Exception, err:
      raise errors.X509CertError(cert_filename,
                                 "Unable to load private key: %s" % str(err))

  return pem


Iustin Pop's avatar
Iustin Pop committed
793
def _RenewCrypto(new_cluster_cert, new_rapi_cert, # pylint: disable=R0911
794
795
796
                 rapi_cert_filename, new_spice_cert, spice_cert_filename,
                 spice_cacert_filename, new_confd_hmac_key, new_cds,
                 cds_filename, force):
797
798
799
800
801
802
803
804
  """Renews cluster certificates, keys and secrets.

  @type new_cluster_cert: bool
  @param new_cluster_cert: Whether to generate a new cluster certificate
  @type new_rapi_cert: bool
  @param new_rapi_cert: Whether to generate a new RAPI certificate
  @type rapi_cert_filename: string
  @param rapi_cert_filename: Path to file containing new RAPI certificate
805
806
807
808
809
810
811
  @type new_spice_cert: bool
  @param new_spice_cert: Whether to generate a new SPICE certificate
  @type spice_cert_filename: string
  @param spice_cert_filename: Path to file containing new SPICE certificate
  @type spice_cacert_filename: string
  @param spice_cacert_filename: Path to file containing the certificate of the
                                CA that signed the SPICE certificate
812
813
  @type new_confd_hmac_key: bool
  @param new_confd_hmac_key: Whether to generate a new HMAC key
Michael Hanselmann's avatar
Michael Hanselmann committed
814
815
816
817
  @type new_cds: bool
  @param new_cds: Whether to generate a new cluster domain secret
  @type cds_filename: string
  @param cds_filename: Path to file containing new cluster domain secret
818
819
820
821
822
  @type force: bool
  @param force: Whether to ask user for confirmation

  """
  if new_rapi_cert and rapi_cert_filename:
823
    ToStderr("Only one of the --new-rapi-certificate and --rapi-certificate"
824
825
826
             " options can be specified at the same time.")
    return 1

Michael Hanselmann's avatar
Michael Hanselmann committed
827
828
829
830
831
832
  if new_cds and cds_filename:
    ToStderr("Only one of the --new-cluster-domain-secret and"
             " --cluster-domain-secret options can be specified at"
             " the same time.")
    return 1

833
834
835
836
  if new_spice_cert and (spice_cert_filename or spice_cacert_filename):
    ToStderr("When using --new-spice-certificate, the --spice-certificate"
             " and --spice-ca-certificate must not be used.")
    return 1
837

838
839
840
841
  if bool(spice_cacert_filename) ^ bool(spice_cert_filename):
    ToStderr("Both --spice-certificate and --spice-ca-certificate must be"
             " specified.")
    return 1
842

843
844
845
846
847
848
849
850
851
852
  rapi_cert_pem, spice_cert_pem, spice_cacert_pem = (None, None, None)
  try:
    if rapi_cert_filename:
      rapi_cert_pem = _ReadAndVerifyCert(rapi_cert_filename, True)
    if spice_cert_filename:
      spice_cert_pem = _ReadAndVerifyCert(spice_cert_filename, True)
      spice_cacert_pem = _ReadAndVerifyCert(spice_cacert_filename)
  except errors.X509CertError, err:
    ToStderr("Unable to load X509 certificate from %s: %s", err[0], err[1])
    return 1
853

Michael Hanselmann's avatar
Michael Hanselmann committed
854
855
856
  if cds_filename:
    try:
      cds = utils.ReadFile(cds_filename)
857
    except Exception, err: # pylint: disable=W0703
Michael Hanselmann's avatar
Michael Hanselmann committed
858
859
860
861
862
863
      ToStderr("Can't load new cluster domain secret from %s: %s" %
               (cds_filename, str(err)))
      return 1
  else:
    cds = None

864
865
866
867
868
869
870
871
  if not force:
    usertext = ("This requires all daemons on all nodes to be restarted and"
                " may take some time. Continue?")
    if not AskUser(usertext):
      return 1

  def _RenewCryptoInner(ctx):
    ctx.feedback_fn("Updating certificates and keys")
872
873
874
    bootstrap.GenerateClusterCrypto(new_cluster_cert,
                                    new_rapi_cert,
                                    new_spice_cert,
875
                                    new_confd_hmac_key,
Michael Hanselmann's avatar
Michael Hanselmann committed
876
877
                                    new_cds,
                                    rapi_cert_pem=rapi_cert_pem,
878
879
                                    spice_cert_pem=spice_cert_pem,
                                    spice_cacert_pem=spice_cacert_pem,
Michael Hanselmann's avatar
Michael Hanselmann committed
880
                                    cds=cds)
881
882
883
884

    files_to_copy = []

    if new_cluster_cert:
885
      files_to_copy.append(pathutils.NODED_CERT_FILE)
886
887

    if new_rapi_cert or rapi_cert_pem:
888
      files_to_copy.append(pathutils.RAPI_CERT_FILE)
889

890
    if new_spice_cert or spice_cert_pem:
891
892
      files_to_copy.append(pathutils.SPICE_CERT_FILE)
      files_to_copy.append(pathutils.SPICE_CACERT_FILE)
893

894
    if new_confd_hmac_key:
895
      files_to_copy.append(pathutils.CONFD_HMAC_KEY)
896

Michael Hanselmann's avatar
Michael Hanselmann committed
897
    if new_cds or cds:
898
      files_to_copy.append(pathutils.CLUSTER_DOMAIN_SECRET_FILE)
Michael Hanselmann's avatar
Michael Hanselmann committed
899

900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
    if files_to_copy:
      for node_name in ctx.nonmaster_nodes:
        ctx.feedback_fn("Copying %s to %s" %
                        (", ".join(files_to_copy), node_name))
        for file_name in files_to_copy:
          ctx.ssh.CopyFileToNode(node_name, file_name)

  RunWhileClusterStopped(ToStdout, _RenewCryptoInner)

  ToStdout("All requested certificates and keys have been replaced."
           " Running \"gnt-cluster verify\" now is recommended.")

  return 0


def RenewCrypto(opts, args):
  """Renews cluster certificates, keys and secrets.

  """
  return _RenewCrypto(opts.new_cluster_cert,
                      opts.new_rapi_cert,
                      opts.rapi_cert,
922
923
924
                      opts.new_spice_cert,
                      opts.spice_cert,
                      opts.spice_cacert,
925
                      opts.new_confd_hmac_key,
Michael Hanselmann's avatar
Michael Hanselmann committed
926
927
                      opts.new_cluster_domain_secret,
                      opts.cluster_domain_secret,
928
929
930
                      opts.force)


931
932
933
def SetClusterParams(opts, args):
  """Modify the cluster.

934
935
936
937
938
  @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
939
940

  """
941
  if not (not opts.lvm_storage or opts.vg_name or
942
          not opts.drbd_storage or opts.drbd_helper or
943
          opts.enabled_hypervisors or opts.hvparams or
944
945
          opts.beparams or opts.nicparams or
          opts.ndparams or opts.diskparams or
946
          opts.candidate_pool_size is not None or
947
          opts.uid_pool is not None or
948
949
          opts.maintain_node_health is not None or
          opts.add_uids is not None or
950
          opts.remove_uids is not None or
951
          opts.default_iallocator is not None or
952
          opts.reserved_lvs is not None or
953
          opts.master_netdev is not None or
954
          opts.master_netmask is not None or
955
          opts.use_external_mip_script is not None or
956
957
          opts.prealloc_wipe_disks is not None or
          opts.hv_state or
958
          opts.disk_state or
959
960
961
962
963
964
          opts.ispecs_mem_size or
          opts.ispecs_cpu_count or
          opts.ispecs_disk_count or
          opts.ispecs_disk_size or
          opts.ispecs_nic_count or
          opts.ipolicy_disk_templates is not None or
965
966
          opts.ipolicy_vcpu_ratio is not None or
          opts.ipolicy_spindle_ratio is not None):
967
    ToStderr("Please give at least one of the parameters.")
968
969
970
971
    return 1

  vg_name = opts.vg_name
  if not opts.lvm_storage and opts.vg_name:
972
    ToStderr("Options --no-lvm-storage and --vg-name conflict.")
973
    return 1
974
975
976

  if not opts.lvm_storage:
    vg_name = ""
977

978
979
980
981
982
983
984
985
  drbd_helper = opts.drbd_helper
  if not opts.drbd_storage and opts.drbd_helper:
    ToStderr("Options --no-drbd-storage and --drbd-usermode-helper conflict.")
    return 1

  if not opts.drbd_storage:
    drbd_helper = ""

986
987
988
989
  hvlist = opts.enabled_hypervisors
  if hvlist is not None:
    hvlist = hvlist.split(",")

990
991
  # a list of (name, dict) we can pass directly to dict() (or [])
  hvparams = dict(opts.hvparams)
Iustin Pop's avatar
Iustin Pop committed
992
  for hv_params in hvparams.values():
993
    utils.ForceDictType(hv_params, constants.HVS_PARAMETER_TYPES)
994

995
996
  diskparams = dict(opts.diskparams)

Iustin Pop's avatar
Iustin Pop committed
997
  for dt_params in diskparams.values():
998
999
    utils.ForceDictType(dt_params, constants.DISK_DT_TYPES)

1000
  beparams = opts.beparams
1001
  utils.ForceDictType(beparams, constants.BES_PARAMETER_COMPAT)
1002

1003
1004
1005
  nicparams = opts.nicparams
  utils.ForceDictType(nicparams, constants.NICS_PARAMETER_TYPES)

1006
1007
1008
  ndparams = opts.ndparams
  if ndparams is not None:
    utils.ForceDictType(ndparams, constants.NDS_PARAMETER_TYPES)
1009

1010
  ipolicy = CreateIPolicyFromOpts(
1011
1012
1013
1014
1015
1016
1017
    ispecs_mem_size=opts.ispecs_mem_size,
    ispecs_cpu_count=opts.ispecs_cpu_count,
    ispecs_disk_count=opts.ispecs_disk_count,
    ispecs_disk_size=opts.ispecs_disk_size,
    ispecs_nic_count=opts.ispecs_nic_count,
    ipolicy_disk_templates=opts.ipolicy_disk_templates,
    ipolicy_vcpu_ratio=opts.ipolicy_vcpu_ratio,
1018
    ipolicy_spindle_ratio=opts.ipolicy_spindle_ratio,
1019
    )
1020

1021
1022
  mnh = opts.maintain_node_health

1023
1024
1025
1026
  uid_pool = opts.uid_pool
  if uid_pool is not None:
    uid_pool = uidpool.ParseUidPool(uid_pool)

1027
1028
1029
1030
1031
1032
1033
1034
  add_uids = opts.add_uids
  if add_uids is not None:
    add_uids = uidpool.ParseUidPool(add_uids)

  remove_uids = opts.remove_uids
  if remove_uids is not None:
    remove_uids = uidpool.ParseUidPool(remove_uids)

1035
1036
1037
1038
1039
1040
  if opts.reserved_lvs is not None:
    if opts.reserved_lvs == "":
      opts.reserved_lvs = []
    else:
      opts.reserved_lvs = utils.UnescapeAndSplit(opts.reserved_lvs, sep=",")

1041
1042
1043
1044
1045
1046
1047
  if opts.master_netmask is not None:
    try:
      opts.master_netmask = int(opts.master_netmask)
    except ValueError:
      ToStderr("The --master-netmask option expects an int parameter.")
      return 1

1048
1049
  ext_ip_script = opts.use_external_mip_script

1050
1051
1052
1053
1054
1055
1056
  if opts.disk_state:
    disk_state = utils.FlatToDict(opts.disk_state)
  else:
    disk_state = {}

  hv_state = dict(opts.hv_state)

1057
  op = opcodes.OpClusterSetParams(vg_name=vg_name,
1058
                                  drbd_helper=drbd_helper,
1059
1060
                                  enabled_hypervisors=hvlist,
                                  hvparams=hvparams,
1061
                                  os_hvp=None,
1062
                                  beparams=beparams,
Guido Trotter's avatar