root / scripts / gnt-cluster @ 8f348e36
History | View | Annotate | Download (22.1 kB)
1 |
#!/usr/bin/python |
---|---|
2 |
# |
3 |
|
4 |
# Copyright (C) 2006, 2007 Google Inc. |
5 |
# |
6 |
# This program is free software; you can redistribute it and/or modify |
7 |
# it under the terms of the GNU General Public License as published by |
8 |
# the Free Software Foundation; either version 2 of the License, or |
9 |
# (at your option) any later version. |
10 |
# |
11 |
# This program is distributed in the hope that it will be useful, but |
12 |
# WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
# General Public License for more details. |
15 |
# |
16 |
# You should have received a copy of the GNU General Public License |
17 |
# along with this program; if not, write to the Free Software |
18 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
19 |
# 02110-1301, USA. |
20 |
|
21 |
|
22 |
# pylint: disable-msg=W0401,W0614 |
23 |
# W0401: Wildcard import ganeti.cli |
24 |
# W0614: Unused import %s from wildcard import (since we need cli) |
25 |
|
26 |
import sys |
27 |
from optparse import make_option |
28 |
import os.path |
29 |
|
30 |
from ganeti.cli import * |
31 |
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 |
|
38 |
|
39 |
@UsesRPC |
40 |
def InitCluster(opts, args): |
41 |
"""Initialize the cluster. |
42 |
|
43 |
@param opts: the command line options selected by the user |
44 |
@type args: list |
45 |
@param args: should contain only one element, the desired |
46 |
cluster name |
47 |
@rtype: int |
48 |
@return: the desired exit code |
49 |
|
50 |
""" |
51 |
if not opts.lvm_storage and opts.vg_name: |
52 |
ToStderr("Options --no-lvm-storage and --vg-name conflict.") |
53 |
return 1 |
54 |
|
55 |
vg_name = opts.vg_name |
56 |
if opts.lvm_storage and not opts.vg_name: |
57 |
vg_name = constants.DEFAULT_VG |
58 |
|
59 |
hvlist = opts.enabled_hypervisors |
60 |
if hvlist is not None: |
61 |
hvlist = hvlist.split(",") |
62 |
else: |
63 |
hvlist = [opts.default_hypervisor] |
64 |
|
65 |
# avoid an impossible situation |
66 |
if opts.default_hypervisor not in hvlist: |
67 |
ToStderr("The default hypervisor requested (%s) is not" |
68 |
" within the enabled hypervisor list (%s)" % |
69 |
(opts.default_hypervisor, hvlist)) |
70 |
return 1 |
71 |
|
72 |
hvparams = opts.hvparams |
73 |
if hvparams: |
74 |
# a list of (name, dict) we can pass directly to dict() |
75 |
hvparams = dict(opts.hvparams) |
76 |
else: |
77 |
# otherwise init as empty dict |
78 |
hvparams = {} |
79 |
|
80 |
beparams = opts.beparams |
81 |
# check for invalid parameters |
82 |
for parameter in beparams: |
83 |
if parameter not in constants.BES_PARAMETERS: |
84 |
ToStderr("Invalid backend parameter: %s", parameter) |
85 |
return 1 |
86 |
|
87 |
# prepare beparams dict |
88 |
for parameter in constants.BES_PARAMETERS: |
89 |
if parameter not in beparams: |
90 |
beparams[parameter] = constants.BEC_DEFAULTS[parameter] |
91 |
|
92 |
# type wrangling |
93 |
try: |
94 |
beparams[constants.BE_VCPUS] = int(beparams[constants.BE_VCPUS]) |
95 |
except ValueError: |
96 |
ToStderr("%s must be an integer", constants.BE_VCPUS) |
97 |
return 1 |
98 |
|
99 |
if not isinstance(beparams[constants.BE_MEMORY], int): |
100 |
beparams[constants.BE_MEMORY] = utils.ParseUnit( |
101 |
beparams[constants.BE_MEMORY]) |
102 |
|
103 |
# prepare hvparams dict |
104 |
for hv in constants.HYPER_TYPES: |
105 |
if hv not in hvparams: |
106 |
hvparams[hv] = {} |
107 |
for parameter in constants.HVC_DEFAULTS[hv]: |
108 |
if parameter not in hvparams[hv]: |
109 |
hvparams[hv][parameter] = constants.HVC_DEFAULTS[hv][parameter] |
110 |
|
111 |
for hv in hvlist: |
112 |
if hv not in constants.HYPER_TYPES: |
113 |
ToStderr("invalid hypervisor: %s", hv) |
114 |
return 1 |
115 |
|
116 |
bootstrap.InitCluster(cluster_name=args[0], |
117 |
secondary_ip=opts.secondary_ip, |
118 |
vg_name=vg_name, |
119 |
mac_prefix=opts.mac_prefix, |
120 |
def_bridge=opts.def_bridge, |
121 |
master_netdev=opts.master_netdev, |
122 |
file_storage_dir=opts.file_storage_dir, |
123 |
enabled_hypervisors=hvlist, |
124 |
default_hypervisor=opts.default_hypervisor, |
125 |
hvparams=hvparams, |
126 |
beparams=beparams) |
127 |
return 0 |
128 |
|
129 |
|
130 |
@UsesRPC |
131 |
def DestroyCluster(opts, args): |
132 |
"""Destroy the cluster. |
133 |
|
134 |
@param opts: the command line options selected by the user |
135 |
@type args: list |
136 |
@param args: should be an empty list |
137 |
@rtype: int |
138 |
@return: the desired exit code |
139 |
|
140 |
""" |
141 |
if not opts.yes_do_it: |
142 |
ToStderr("Destroying a cluster is irreversible. If you really want" |
143 |
" destroy this cluster, supply the --yes-do-it option.") |
144 |
return 1 |
145 |
|
146 |
op = opcodes.OpDestroyCluster() |
147 |
master = SubmitOpCode(op) |
148 |
# if we reached this, the opcode didn't fail; we can proceed to |
149 |
# shutdown all the daemons |
150 |
bootstrap.FinalizeClusterDestroy(master) |
151 |
return 0 |
152 |
|
153 |
|
154 |
def RenameCluster(opts, args): |
155 |
"""Rename the cluster. |
156 |
|
157 |
@param opts: the command line options selected by the user |
158 |
@type args: list |
159 |
@param args: should contain only one element, the new cluster name |
160 |
@rtype: int |
161 |
@return: the desired exit code |
162 |
|
163 |
""" |
164 |
name = args[0] |
165 |
if not opts.force: |
166 |
usertext = ("This will rename the cluster to '%s'. If you are connected" |
167 |
" over the network to the cluster name, the operation is very" |
168 |
" dangerous as the IP address will be removed from the node" |
169 |
" and the change may not go through. Continue?") % name |
170 |
if not AskUser(usertext): |
171 |
return 1 |
172 |
|
173 |
op = opcodes.OpRenameCluster(name=name) |
174 |
SubmitOpCode(op) |
175 |
return 0 |
176 |
|
177 |
|
178 |
def ShowClusterVersion(opts, args): |
179 |
"""Write version of ganeti software to the standard output. |
180 |
|
181 |
@param opts: the command line options selected by the user |
182 |
@type args: list |
183 |
@param args: should be an empty list |
184 |
@rtype: int |
185 |
@return: the desired exit code |
186 |
|
187 |
""" |
188 |
op = opcodes.OpQueryClusterInfo() |
189 |
result = SubmitOpCode(op) |
190 |
ToStdout("Software version: %s", result["software_version"]) |
191 |
ToStdout("Internode protocol: %s", result["protocol_version"]) |
192 |
ToStdout("Configuration format: %s", result["config_version"]) |
193 |
ToStdout("OS api version: %s", result["os_api_version"]) |
194 |
ToStdout("Export interface: %s", result["export_version"]) |
195 |
return 0 |
196 |
|
197 |
|
198 |
def ShowClusterMaster(opts, args): |
199 |
"""Write name of master node to the standard output. |
200 |
|
201 |
@param opts: the command line options selected by the user |
202 |
@type args: list |
203 |
@param args: should be an empty list |
204 |
@rtype: int |
205 |
@return: the desired exit code |
206 |
|
207 |
""" |
208 |
ToStdout("%s", GetClient().QueryConfigValues(["master_node"])[0]) |
209 |
return 0 |
210 |
|
211 |
|
212 |
def ShowClusterConfig(opts, args): |
213 |
"""Shows cluster information. |
214 |
|
215 |
@param opts: the command line options selected by the user |
216 |
@type args: list |
217 |
@param args: should be an empty list |
218 |
@rtype: int |
219 |
@return: the desired exit code |
220 |
|
221 |
""" |
222 |
op = opcodes.OpQueryClusterInfo() |
223 |
result = SubmitOpCode(op) |
224 |
|
225 |
ToStdout("Cluster name: %s", result["name"]) |
226 |
|
227 |
ToStdout("Master node: %s", result["master"]) |
228 |
|
229 |
ToStdout("Architecture (this node): %s (%s)", |
230 |
result["architecture"][0], result["architecture"][1]) |
231 |
|
232 |
ToStdout("Default hypervisor: %s", result["default_hypervisor"]) |
233 |
ToStdout("Enabled hypervisors: %s", ", ".join(result["enabled_hypervisors"])) |
234 |
|
235 |
ToStdout("Hypervisor parameters:") |
236 |
for hv_name, hv_dict in result["hvparams"].items(): |
237 |
ToStdout(" - %s:", hv_name) |
238 |
for item, val in hv_dict.iteritems(): |
239 |
ToStdout(" %s: %s", item, val) |
240 |
|
241 |
ToStdout("Cluster parameters:") |
242 |
ToStdout(" - candidate pool size: %s", result["candidate_pool_size"]) |
243 |
|
244 |
ToStdout("Default instance parameters:") |
245 |
for gr_name, gr_dict in result["beparams"].items(): |
246 |
ToStdout(" - %s:", gr_name) |
247 |
for item, val in gr_dict.iteritems(): |
248 |
ToStdout(" %s: %s", item, val) |
249 |
|
250 |
return 0 |
251 |
|
252 |
|
253 |
def ClusterCopyFile(opts, args): |
254 |
"""Copy a file from master to some nodes. |
255 |
|
256 |
@param opts: the command line options selected by the user |
257 |
@type args: list |
258 |
@param args: should contain only one element, the path of |
259 |
the file to be copied |
260 |
@rtype: int |
261 |
@return: the desired exit code |
262 |
|
263 |
""" |
264 |
filename = args[0] |
265 |
if not os.path.exists(filename): |
266 |
raise errors.OpPrereqError("No such filename '%s'" % filename) |
267 |
|
268 |
cl = GetClient() |
269 |
|
270 |
myname = utils.HostInfo().name |
271 |
|
272 |
cluster_name = cl.QueryConfigValues(["cluster_name"])[0] |
273 |
|
274 |
op = opcodes.OpQueryNodes(output_fields=["name"], names=opts.nodes) |
275 |
results = [row[0] for row in SubmitOpCode(op, cl=cl) if row[0] != myname] |
276 |
|
277 |
srun = ssh.SshRunner(cluster_name=cluster_name) |
278 |
for node in results: |
279 |
if not srun.CopyFileToNode(node, filename): |
280 |
ToStderr("Copy of file %s to node %s failed", filename, node) |
281 |
|
282 |
return 0 |
283 |
|
284 |
|
285 |
def RunClusterCommand(opts, args): |
286 |
"""Run a command on some nodes. |
287 |
|
288 |
@param opts: the command line options selected by the user |
289 |
@type args: list |
290 |
@param args: should contain the command to be run and its arguments |
291 |
@rtype: int |
292 |
@return: the desired exit code |
293 |
|
294 |
""" |
295 |
cl = GetClient() |
296 |
|
297 |
command = " ".join(args) |
298 |
op = opcodes.OpQueryNodes(output_fields=["name"], names=opts.nodes) |
299 |
nodes = [row[0] for row in SubmitOpCode(op, cl=cl)] |
300 |
|
301 |
cluster_name, master_node = cl.QueryConfigValues(["cluster_name", |
302 |
"master_node"]) |
303 |
|
304 |
srun = ssh.SshRunner(cluster_name=cluster_name) |
305 |
|
306 |
# Make sure master node is at list end |
307 |
if master_node in nodes: |
308 |
nodes.remove(master_node) |
309 |
nodes.append(master_node) |
310 |
|
311 |
for name in nodes: |
312 |
result = srun.Run(name, "root", command) |
313 |
ToStdout("------------------------------------------------") |
314 |
ToStdout("node: %s", name) |
315 |
ToStdout("%s", result.output) |
316 |
ToStdout("return code = %s", result.exit_code) |
317 |
|
318 |
return 0 |
319 |
|
320 |
|
321 |
def VerifyCluster(opts, args): |
322 |
"""Verify integrity of cluster, performing various test on nodes. |
323 |
|
324 |
@param opts: the command line options selected by the user |
325 |
@type args: list |
326 |
@param args: should be an empty list |
327 |
@rtype: int |
328 |
@return: the desired exit code |
329 |
|
330 |
""" |
331 |
skip_checks = [] |
332 |
if opts.skip_nplusone_mem: |
333 |
skip_checks.append(constants.VERIFY_NPLUSONE_MEM) |
334 |
op = opcodes.OpVerifyCluster(skip_checks=skip_checks) |
335 |
if SubmitOpCode(op): |
336 |
return 0 |
337 |
else: |
338 |
return 1 |
339 |
|
340 |
|
341 |
def VerifyDisks(opts, args): |
342 |
"""Verify integrity of cluster disks. |
343 |
|
344 |
@param opts: the command line options selected by the user |
345 |
@type args: list |
346 |
@param args: should be an empty list |
347 |
@rtype: int |
348 |
@return: the desired exit code |
349 |
|
350 |
""" |
351 |
op = opcodes.OpVerifyDisks() |
352 |
result = SubmitOpCode(op) |
353 |
if not isinstance(result, (list, tuple)) or len(result) != 4: |
354 |
raise errors.ProgrammerError("Unknown result type for OpVerifyDisks") |
355 |
|
356 |
nodes, nlvm, instances, missing = result |
357 |
|
358 |
if nodes: |
359 |
ToStdout("Nodes unreachable or with bad data:") |
360 |
for name in nodes: |
361 |
ToStdout("\t%s", name) |
362 |
retcode = constants.EXIT_SUCCESS |
363 |
|
364 |
if nlvm: |
365 |
for node, text in nlvm.iteritems(): |
366 |
ToStdout("Error on node %s: LVM error: %s", |
367 |
node, text[-400:].encode('string_escape')) |
368 |
retcode |= 1 |
369 |
ToStdout("You need to fix these nodes first before fixing instances") |
370 |
|
371 |
if instances: |
372 |
for iname in instances: |
373 |
if iname in missing: |
374 |
continue |
375 |
op = opcodes.OpActivateInstanceDisks(instance_name=iname) |
376 |
try: |
377 |
ToStdout("Activating disks for instance '%s'", iname) |
378 |
SubmitOpCode(op) |
379 |
except errors.GenericError, err: |
380 |
nret, msg = FormatError(err) |
381 |
retcode |= nret |
382 |
ToStderr("Error activating disks for instance %s: %s", iname, msg) |
383 |
|
384 |
if missing: |
385 |
for iname, ival in missing.iteritems(): |
386 |
all_missing = utils.all(ival, lambda x: x[0] in nlvm) |
387 |
if all_missing: |
388 |
ToStdout("Instance %s cannot be verified as it lives on" |
389 |
" broken nodes", iname) |
390 |
else: |
391 |
ToStdout("Instance %s has missing logical volumes:", iname) |
392 |
ival.sort() |
393 |
for node, vol in ival: |
394 |
if node in nlvm: |
395 |
ToStdout("\tbroken node %s /dev/xenvg/%s", node, vol) |
396 |
else: |
397 |
ToStdout("\t%s /dev/xenvg/%s", node, vol) |
398 |
ToStdout("You need to run replace_disks for all the above" |
399 |
" instances, if this message persist after fixing nodes.") |
400 |
retcode |= 1 |
401 |
|
402 |
return retcode |
403 |
|
404 |
|
405 |
@UsesRPC |
406 |
def MasterFailover(opts, args): |
407 |
"""Failover the master node. |
408 |
|
409 |
This command, when run on a non-master node, will cause the current |
410 |
master to cease being master, and the non-master to become new |
411 |
master. |
412 |
|
413 |
@param opts: the command line options selected by the user |
414 |
@type args: list |
415 |
@param args: should be an empty list |
416 |
@rtype: int |
417 |
@return: the desired exit code |
418 |
|
419 |
""" |
420 |
return bootstrap.MasterFailover() |
421 |
|
422 |
|
423 |
def SearchTags(opts, args): |
424 |
"""Searches the tags on all the cluster. |
425 |
|
426 |
@param opts: the command line options selected by the user |
427 |
@type args: list |
428 |
@param args: should contain only one element, the tag pattern |
429 |
@rtype: int |
430 |
@return: the desired exit code |
431 |
|
432 |
""" |
433 |
op = opcodes.OpSearchTags(pattern=args[0]) |
434 |
result = SubmitOpCode(op) |
435 |
if not result: |
436 |
return 1 |
437 |
result = list(result) |
438 |
result.sort() |
439 |
for path, tag in result: |
440 |
ToStdout("%s %s", path, tag) |
441 |
|
442 |
|
443 |
def SetClusterParams(opts, args): |
444 |
"""Modify the cluster. |
445 |
|
446 |
@param opts: the command line options selected by the user |
447 |
@type args: list |
448 |
@param args: should be an empty list |
449 |
@rtype: int |
450 |
@return: the desired exit code |
451 |
|
452 |
""" |
453 |
if not (not opts.lvm_storage or opts.vg_name or |
454 |
opts.enabled_hypervisors or opts.hvparams or |
455 |
opts.beparams or opts.candidate_pool_size is not None): |
456 |
ToStderr("Please give at least one of the parameters.") |
457 |
return 1 |
458 |
|
459 |
vg_name = opts.vg_name |
460 |
if not opts.lvm_storage and opts.vg_name: |
461 |
ToStdout("Options --no-lvm-storage and --vg-name conflict.") |
462 |
return 1 |
463 |
|
464 |
hvlist = opts.enabled_hypervisors |
465 |
if hvlist is not None: |
466 |
hvlist = hvlist.split(",") |
467 |
|
468 |
hvparams = opts.hvparams |
469 |
if hvparams: |
470 |
# a list of (name, dict) we can pass directly to dict() |
471 |
hvparams = dict(opts.hvparams) |
472 |
|
473 |
beparams = opts.beparams |
474 |
|
475 |
op = opcodes.OpSetClusterParams(vg_name=opts.vg_name, |
476 |
enabled_hypervisors=hvlist, |
477 |
hvparams=hvparams, |
478 |
beparams=beparams, |
479 |
candidate_pool_size=opts.candidate_pool_size) |
480 |
SubmitOpCode(op) |
481 |
return 0 |
482 |
|
483 |
|
484 |
def QueueOps(opts, args): |
485 |
"""Queue operations. |
486 |
|
487 |
@param opts: the command line options selected by the user |
488 |
@type args: list |
489 |
@param args: should contain only one element, the subcommand |
490 |
@rtype: int |
491 |
@return: the desired exit code |
492 |
|
493 |
""" |
494 |
command = args[0] |
495 |
client = GetClient() |
496 |
if command in ("drain", "undrain"): |
497 |
drain_flag = command == "drain" |
498 |
client.SetQueueDrainFlag(drain_flag) |
499 |
elif command == "info": |
500 |
result = client.QueryConfigValues(["drain_flag"]) |
501 |
if result[0]: |
502 |
val = "set" |
503 |
else: |
504 |
val = "unset" |
505 |
ToStdout("The drain flag is %s" % val) |
506 |
return 0 |
507 |
|
508 |
# this is an option common to more than one command, so we declare |
509 |
# it here and reuse it |
510 |
node_option = make_option("-n", "--node", action="append", dest="nodes", |
511 |
help="Node to copy to (if not given, all nodes)," |
512 |
" can be given multiple times", |
513 |
metavar="<node>", default=[]) |
514 |
|
515 |
commands = { |
516 |
'init': (InitCluster, ARGS_ONE, |
517 |
[DEBUG_OPT, |
518 |
make_option("-s", "--secondary-ip", dest="secondary_ip", |
519 |
help="Specify the secondary ip for this node;" |
520 |
" if given, the entire cluster must have secondary" |
521 |
" addresses", |
522 |
metavar="ADDRESS", default=None), |
523 |
make_option("-m", "--mac-prefix", dest="mac_prefix", |
524 |
help="Specify the mac prefix for the instance IP" |
525 |
" addresses, in the format XX:XX:XX", |
526 |
metavar="PREFIX", |
527 |
default="aa:00:00",), |
528 |
make_option("-g", "--vg-name", dest="vg_name", |
529 |
help="Specify the volume group name " |
530 |
" (cluster-wide) for disk allocation [xenvg]", |
531 |
metavar="VG", |
532 |
default=None,), |
533 |
make_option("-b", "--bridge", dest="def_bridge", |
534 |
help="Specify the default bridge name (cluster-wide)" |
535 |
" to connect the instances to [%s]" % |
536 |
constants.DEFAULT_BRIDGE, |
537 |
metavar="BRIDGE", |
538 |
default=constants.DEFAULT_BRIDGE,), |
539 |
make_option("--master-netdev", dest="master_netdev", |
540 |
help="Specify the node interface (cluster-wide)" |
541 |
" on which the master IP address will be added " |
542 |
" [%s]" % constants.DEFAULT_BRIDGE, |
543 |
metavar="NETDEV", |
544 |
default=constants.DEFAULT_BRIDGE,), |
545 |
make_option("--file-storage-dir", dest="file_storage_dir", |
546 |
help="Specify the default directory (cluster-wide)" |
547 |
" for storing the file-based disks [%s]" % |
548 |
constants.DEFAULT_FILE_STORAGE_DIR, |
549 |
metavar="DIR", |
550 |
default=constants.DEFAULT_FILE_STORAGE_DIR,), |
551 |
make_option("--no-lvm-storage", dest="lvm_storage", |
552 |
help="No support for lvm based instances" |
553 |
" (cluster-wide)", |
554 |
action="store_false", default=True,), |
555 |
make_option("--enabled-hypervisors", dest="enabled_hypervisors", |
556 |
help="Comma-separated list of hypervisors", |
557 |
type="string", default=None), |
558 |
make_option("-t", "--default-hypervisor", |
559 |
dest="default_hypervisor", |
560 |
help="Default hypervisor to use for instance creation", |
561 |
choices=list(constants.HYPER_TYPES), |
562 |
default=constants.DEFAULT_ENABLED_HYPERVISOR), |
563 |
ikv_option("-H", "--hypervisor-parameters", dest="hvparams", |
564 |
help="Hypervisor and hypervisor options, in the" |
565 |
" format" |
566 |
" hypervisor:option=value,option=value,...", |
567 |
default=[], |
568 |
action="append", |
569 |
type="identkeyval"), |
570 |
keyval_option("-B", "--backend-parameters", dest="beparams", |
571 |
type="keyval", default={}, |
572 |
help="Backend parameters"), |
573 |
], |
574 |
"[opts...] <cluster_name>", |
575 |
"Initialises a new cluster configuration"), |
576 |
'destroy': (DestroyCluster, ARGS_NONE, |
577 |
[DEBUG_OPT, |
578 |
make_option("--yes-do-it", dest="yes_do_it", |
579 |
help="Destroy cluster", |
580 |
action="store_true"), |
581 |
], |
582 |
"", "Destroy cluster"), |
583 |
'rename': (RenameCluster, ARGS_ONE, [DEBUG_OPT, FORCE_OPT], |
584 |
"<new_name>", |
585 |
"Renames the cluster"), |
586 |
'verify': (VerifyCluster, ARGS_NONE, [DEBUG_OPT, |
587 |
make_option("--no-nplus1-mem", dest="skip_nplusone_mem", |
588 |
help="Skip N+1 memory redundancy tests", |
589 |
action="store_true", |
590 |
default=False,), |
591 |
], |
592 |
"", "Does a check on the cluster configuration"), |
593 |
'verify-disks': (VerifyDisks, ARGS_NONE, [DEBUG_OPT], |
594 |
"", "Does a check on the cluster disk status"), |
595 |
'masterfailover': (MasterFailover, ARGS_NONE, [DEBUG_OPT], |
596 |
"", "Makes the current node the master"), |
597 |
'version': (ShowClusterVersion, ARGS_NONE, [DEBUG_OPT], |
598 |
"", "Shows the cluster version"), |
599 |
'getmaster': (ShowClusterMaster, ARGS_NONE, [DEBUG_OPT], |
600 |
"", "Shows the cluster master"), |
601 |
'copyfile': (ClusterCopyFile, ARGS_ONE, [DEBUG_OPT, node_option], |
602 |
"[-n node...] <filename>", |
603 |
"Copies a file to all (or only some) nodes"), |
604 |
'command': (RunClusterCommand, ARGS_ATLEAST(1), [DEBUG_OPT, node_option], |
605 |
"[-n node...] <command>", |
606 |
"Runs a command on all (or only some) nodes"), |
607 |
'info': (ShowClusterConfig, ARGS_NONE, [DEBUG_OPT], |
608 |
"", "Show cluster configuration"), |
609 |
'list-tags': (ListTags, ARGS_NONE, |
610 |
[DEBUG_OPT], "", "List the tags of the cluster"), |
611 |
'add-tags': (AddTags, ARGS_ANY, [DEBUG_OPT, TAG_SRC_OPT], |
612 |
"tag...", "Add tags to the cluster"), |
613 |
'remove-tags': (RemoveTags, ARGS_ANY, [DEBUG_OPT, TAG_SRC_OPT], |
614 |
"tag...", "Remove tags from the cluster"), |
615 |
'search-tags': (SearchTags, ARGS_ONE, |
616 |
[DEBUG_OPT], "", "Searches the tags on all objects on" |
617 |
" the cluster for a given pattern (regex)"), |
618 |
'queue': (QueueOps, ARGS_ONE, [DEBUG_OPT], |
619 |
"drain|undrain|info", "Change queue properties"), |
620 |
'modify': (SetClusterParams, ARGS_NONE, |
621 |
[DEBUG_OPT, |
622 |
make_option("-g", "--vg-name", dest="vg_name", |
623 |
help="Specify the volume group name " |
624 |
" (cluster-wide) for disk allocation " |
625 |
"and enable lvm based storage", |
626 |
metavar="VG",), |
627 |
make_option("--no-lvm-storage", dest="lvm_storage", |
628 |
help="Disable support for lvm based instances" |
629 |
" (cluster-wide)", |
630 |
action="store_false", default=True,), |
631 |
make_option("--enabled-hypervisors", dest="enabled_hypervisors", |
632 |
help="Comma-separated list of hypervisors", |
633 |
type="string", default=None), |
634 |
ikv_option("-H", "--hypervisor-parameters", dest="hvparams", |
635 |
help="Hypervisor and hypervisor options, in the" |
636 |
" format" |
637 |
" hypervisor:option=value,option=value,...", |
638 |
default=[], |
639 |
action="append", |
640 |
type="identkeyval"), |
641 |
keyval_option("-B", "--backend-parameters", dest="beparams", |
642 |
type="keyval", default={}, |
643 |
help="Backend parameters"), |
644 |
make_option("-C", "--candidate-pool-size", default=None, |
645 |
help="Set the candidate pool size", |
646 |
dest="candidate_pool_size", type="int"), |
647 |
], |
648 |
"[opts...]", |
649 |
"Alters the parameters of the cluster"), |
650 |
} |
651 |
|
652 |
if __name__ == '__main__': |
653 |
sys.exit(GenericMain(commands, override={"tag_type": constants.TAG_CLUSTER})) |