root / lib / client / gnt_node.py @ f0b1bafe
History | View | Annotate | Download (25.6 kB)
1 |
#
|
---|---|
2 |
#
|
3 |
|
4 |
# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 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 |
"""Node related commands"""
|
22 |
|
23 |
# pylint: disable-msg=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)
|
27 |
# C0103: Invalid name gnt-node
|
28 |
|
29 |
from ganeti.cli import * |
30 |
from ganeti import cli |
31 |
from ganeti import bootstrap |
32 |
from ganeti import opcodes |
33 |
from ganeti import utils |
34 |
from ganeti import constants |
35 |
from ganeti import errors |
36 |
from ganeti import netutils |
37 |
from cStringIO import StringIO |
38 |
|
39 |
|
40 |
#: default list of field for L{ListNodes}
|
41 |
_LIST_DEF_FIELDS = [ |
42 |
"name", "dtotal", "dfree", |
43 |
"mtotal", "mnode", "mfree", |
44 |
"pinst_cnt", "sinst_cnt", |
45 |
] |
46 |
|
47 |
|
48 |
#: Default field list for L{ListVolumes}
|
49 |
_LIST_VOL_DEF_FIELDS = ["node", "phys", "vg", "name", "size", "instance"] |
50 |
|
51 |
|
52 |
#: default list of field for L{ListStorage}
|
53 |
_LIST_STOR_DEF_FIELDS = [ |
54 |
constants.SF_NODE, |
55 |
constants.SF_TYPE, |
56 |
constants.SF_NAME, |
57 |
constants.SF_SIZE, |
58 |
constants.SF_USED, |
59 |
constants.SF_FREE, |
60 |
constants.SF_ALLOCATABLE, |
61 |
] |
62 |
|
63 |
|
64 |
#: default list of power commands
|
65 |
_LIST_POWER_COMMANDS = ["on", "off", "cycle", "status"] |
66 |
|
67 |
|
68 |
#: headers (and full field list) for L{ListStorage}
|
69 |
_LIST_STOR_HEADERS = { |
70 |
constants.SF_NODE: "Node",
|
71 |
constants.SF_TYPE: "Type",
|
72 |
constants.SF_NAME: "Name",
|
73 |
constants.SF_SIZE: "Size",
|
74 |
constants.SF_USED: "Used",
|
75 |
constants.SF_FREE: "Free",
|
76 |
constants.SF_ALLOCATABLE: "Allocatable",
|
77 |
} |
78 |
|
79 |
|
80 |
#: User-facing storage unit types
|
81 |
_USER_STORAGE_TYPE = { |
82 |
constants.ST_FILE: "file",
|
83 |
constants.ST_LVM_PV: "lvm-pv",
|
84 |
constants.ST_LVM_VG: "lvm-vg",
|
85 |
} |
86 |
|
87 |
_STORAGE_TYPE_OPT = \ |
88 |
cli_option("-t", "--storage-type", |
89 |
dest="user_storage_type",
|
90 |
choices=_USER_STORAGE_TYPE.keys(), |
91 |
default=None,
|
92 |
metavar="STORAGE_TYPE",
|
93 |
help=("Storage type (%s)" %
|
94 |
utils.CommaJoin(_USER_STORAGE_TYPE.keys()))) |
95 |
|
96 |
_REPAIRABLE_STORAGE_TYPES = \ |
97 |
[st for st, so in constants.VALID_STORAGE_OPERATIONS.iteritems() |
98 |
if constants.SO_FIX_CONSISTENCY in so] |
99 |
|
100 |
_MODIFIABLE_STORAGE_TYPES = constants.MODIFIABLE_STORAGE_FIELDS.keys() |
101 |
|
102 |
|
103 |
NONODE_SETUP_OPT = cli_option("--no-node-setup", default=True, |
104 |
action="store_false", dest="node_setup", |
105 |
help=("Do not make initial SSH setup on remote"
|
106 |
" node (needs to be done manually)"))
|
107 |
|
108 |
|
109 |
def ConvertStorageType(user_storage_type): |
110 |
"""Converts a user storage type to its internal name.
|
111 |
|
112 |
"""
|
113 |
try:
|
114 |
return _USER_STORAGE_TYPE[user_storage_type]
|
115 |
except KeyError: |
116 |
raise errors.OpPrereqError("Unknown storage type: %s" % user_storage_type, |
117 |
errors.ECODE_INVAL) |
118 |
|
119 |
|
120 |
def _RunSetupSSH(options, nodes): |
121 |
"""Wrapper around utils.RunCmd to call setup-ssh
|
122 |
|
123 |
@param options: The command line options
|
124 |
@param nodes: The nodes to setup
|
125 |
|
126 |
"""
|
127 |
cmd = [constants.SETUP_SSH] |
128 |
|
129 |
# Pass --debug|--verbose to the external script if set on our invocation
|
130 |
# --debug overrides --verbose
|
131 |
if options.debug:
|
132 |
cmd.append("--debug")
|
133 |
elif options.verbose:
|
134 |
cmd.append("--verbose")
|
135 |
if not options.ssh_key_check: |
136 |
cmd.append("--no-ssh-key-check")
|
137 |
if options.force_join:
|
138 |
cmd.append("--force-join")
|
139 |
|
140 |
cmd.extend(nodes) |
141 |
|
142 |
result = utils.RunCmd(cmd, interactive=True)
|
143 |
|
144 |
if result.failed:
|
145 |
errmsg = ("Command '%s' failed with exit code %s; output %r" %
|
146 |
(result.cmd, result.exit_code, result.output)) |
147 |
raise errors.OpExecError(errmsg)
|
148 |
|
149 |
|
150 |
@UsesRPC
|
151 |
def AddNode(opts, args): |
152 |
"""Add a node to the cluster.
|
153 |
|
154 |
@param opts: the command line options selected by the user
|
155 |
@type args: list
|
156 |
@param args: should contain only one element, the new node name
|
157 |
@rtype: int
|
158 |
@return: the desired exit code
|
159 |
|
160 |
"""
|
161 |
cl = GetClient() |
162 |
node = netutils.GetHostname(name=args[0]).name
|
163 |
readd = opts.readd |
164 |
|
165 |
try:
|
166 |
output = cl.QueryNodes(names=[node], fields=['name', 'sip'], |
167 |
use_locking=False)
|
168 |
node_exists, sip = output[0]
|
169 |
except (errors.OpPrereqError, errors.OpExecError):
|
170 |
node_exists = ""
|
171 |
sip = None
|
172 |
|
173 |
if readd:
|
174 |
if not node_exists: |
175 |
ToStderr("Node %s not in the cluster"
|
176 |
" - please retry without '--readd'", node)
|
177 |
return 1 |
178 |
else:
|
179 |
if node_exists:
|
180 |
ToStderr("Node %s already in the cluster (as %s)"
|
181 |
" - please retry with '--readd'", node, node_exists)
|
182 |
return 1 |
183 |
sip = opts.secondary_ip |
184 |
|
185 |
# read the cluster name from the master
|
186 |
output = cl.QueryConfigValues(['cluster_name'])
|
187 |
cluster_name = output[0]
|
188 |
|
189 |
if not readd and opts.node_setup: |
190 |
ToStderr("-- WARNING -- \n"
|
191 |
"Performing this operation is going to replace the ssh daemon"
|
192 |
" keypair\n"
|
193 |
"on the target machine (%s) with the ones of the"
|
194 |
" current one\n"
|
195 |
"and grant full intra-cluster ssh root access to/from it\n", node)
|
196 |
|
197 |
if opts.node_setup:
|
198 |
_RunSetupSSH(opts, [node]) |
199 |
|
200 |
bootstrap.SetupNodeDaemon(cluster_name, node, opts.ssh_key_check) |
201 |
|
202 |
op = opcodes.OpNodeAdd(node_name=args[0], secondary_ip=sip,
|
203 |
readd=opts.readd, group=opts.nodegroup, |
204 |
vm_capable=opts.vm_capable, ndparams=opts.ndparams, |
205 |
master_capable=opts.master_capable) |
206 |
SubmitOpCode(op, opts=opts) |
207 |
|
208 |
|
209 |
def ListNodes(opts, args): |
210 |
"""List nodes and their properties.
|
211 |
|
212 |
@param opts: the command line options selected by the user
|
213 |
@type args: list
|
214 |
@param args: nodes to list, or empty for all
|
215 |
@rtype: int
|
216 |
@return: the desired exit code
|
217 |
|
218 |
"""
|
219 |
selected_fields = ParseFields(opts.output, _LIST_DEF_FIELDS) |
220 |
|
221 |
fmtoverride = dict.fromkeys(["pinst_list", "sinst_list", "tags"], |
222 |
(",".join, False)) |
223 |
|
224 |
return GenericList(constants.QR_NODE, selected_fields, args, opts.units,
|
225 |
opts.separator, not opts.no_headers,
|
226 |
format_override=fmtoverride, verbose=opts.verbose) |
227 |
|
228 |
|
229 |
def ListNodeFields(opts, args): |
230 |
"""List node fields.
|
231 |
|
232 |
@param opts: the command line options selected by the user
|
233 |
@type args: list
|
234 |
@param args: fields to list, or empty for all
|
235 |
@rtype: int
|
236 |
@return: the desired exit code
|
237 |
|
238 |
"""
|
239 |
return GenericListFields(constants.QR_NODE, args, opts.separator,
|
240 |
not opts.no_headers)
|
241 |
|
242 |
|
243 |
def EvacuateNode(opts, args): |
244 |
"""Relocate all secondary instance from a node.
|
245 |
|
246 |
@param opts: the command line options selected by the user
|
247 |
@type args: list
|
248 |
@param args: should be an empty list
|
249 |
@rtype: int
|
250 |
@return: the desired exit code
|
251 |
|
252 |
"""
|
253 |
cl = GetClient() |
254 |
force = opts.force |
255 |
|
256 |
dst_node = opts.dst_node |
257 |
iallocator = opts.iallocator |
258 |
|
259 |
op = opcodes.OpNodeEvacStrategy(nodes=args, |
260 |
iallocator=iallocator, |
261 |
remote_node=dst_node) |
262 |
|
263 |
result = SubmitOpCode(op, cl=cl, opts=opts) |
264 |
if not result: |
265 |
# no instances to migrate
|
266 |
ToStderr("No secondary instances on node(s) %s, exiting.",
|
267 |
utils.CommaJoin(args)) |
268 |
return constants.EXIT_SUCCESS
|
269 |
|
270 |
if not force and not AskUser("Relocate instance(s) %s from node(s) %s?" % |
271 |
(",".join("'%s'" % name[0] for name in result), |
272 |
utils.CommaJoin(args))): |
273 |
return constants.EXIT_CONFIRMATION
|
274 |
|
275 |
jex = JobExecutor(cl=cl, opts=opts) |
276 |
for row in result: |
277 |
iname = row[0]
|
278 |
node = row[1]
|
279 |
ToStdout("Will relocate instance %s to node %s", iname, node)
|
280 |
op = opcodes.OpInstanceReplaceDisks(instance_name=iname, |
281 |
remote_node=node, disks=[], |
282 |
mode=constants.REPLACE_DISK_CHG, |
283 |
early_release=opts.early_release) |
284 |
jex.QueueJob(iname, op) |
285 |
results = jex.GetResults() |
286 |
bad_cnt = len([row for row in results if not row[0]]) |
287 |
if bad_cnt == 0: |
288 |
ToStdout("All %d instance(s) failed over successfully.", len(results)) |
289 |
rcode = constants.EXIT_SUCCESS |
290 |
else:
|
291 |
ToStdout("There were errors during the failover:\n"
|
292 |
"%d error(s) out of %d instance(s).", bad_cnt, len(results)) |
293 |
rcode = constants.EXIT_FAILURE |
294 |
return rcode
|
295 |
|
296 |
|
297 |
def FailoverNode(opts, args): |
298 |
"""Failover all primary instance on a node.
|
299 |
|
300 |
@param opts: the command line options selected by the user
|
301 |
@type args: list
|
302 |
@param args: should be an empty list
|
303 |
@rtype: int
|
304 |
@return: the desired exit code
|
305 |
|
306 |
"""
|
307 |
cl = GetClient() |
308 |
force = opts.force |
309 |
selected_fields = ["name", "pinst_list"] |
310 |
|
311 |
# these fields are static data anyway, so it doesn't matter, but
|
312 |
# locking=True should be safer
|
313 |
result = cl.QueryNodes(names=args, fields=selected_fields, |
314 |
use_locking=False)
|
315 |
node, pinst = result[0]
|
316 |
|
317 |
if not pinst: |
318 |
ToStderr("No primary instances on node %s, exiting.", node)
|
319 |
return 0 |
320 |
|
321 |
pinst = utils.NiceSort(pinst) |
322 |
|
323 |
retcode = 0
|
324 |
|
325 |
if not force and not AskUser("Fail over instance(s) %s?" % |
326 |
(",".join("'%s'" % name for name in pinst))): |
327 |
return 2 |
328 |
|
329 |
jex = JobExecutor(cl=cl, opts=opts) |
330 |
for iname in pinst: |
331 |
op = opcodes.OpInstanceFailover(instance_name=iname, |
332 |
ignore_consistency=opts.ignore_consistency) |
333 |
jex.QueueJob(iname, op) |
334 |
results = jex.GetResults() |
335 |
bad_cnt = len([row for row in results if not row[0]]) |
336 |
if bad_cnt == 0: |
337 |
ToStdout("All %d instance(s) failed over successfully.", len(results)) |
338 |
else:
|
339 |
ToStdout("There were errors during the failover:\n"
|
340 |
"%d error(s) out of %d instance(s).", bad_cnt, len(results)) |
341 |
return retcode
|
342 |
|
343 |
|
344 |
def MigrateNode(opts, args): |
345 |
"""Migrate all primary instance on a node.
|
346 |
|
347 |
"""
|
348 |
cl = GetClient() |
349 |
force = opts.force |
350 |
selected_fields = ["name", "pinst_list"] |
351 |
|
352 |
result = cl.QueryNodes(names=args, fields=selected_fields, use_locking=False)
|
353 |
node, pinst = result[0]
|
354 |
|
355 |
if not pinst: |
356 |
ToStdout("No primary instances on node %s, exiting." % node)
|
357 |
return 0 |
358 |
|
359 |
pinst = utils.NiceSort(pinst) |
360 |
|
361 |
if not force and not AskUser("Migrate instance(s) %s?" % |
362 |
(",".join("'%s'" % name for name in pinst))): |
363 |
return 2 |
364 |
|
365 |
# this should be removed once --non-live is deprecated
|
366 |
if not opts.live and opts.migration_mode is not None: |
367 |
raise errors.OpPrereqError("Only one of the --non-live and " |
368 |
"--migration-mode options can be passed",
|
369 |
errors.ECODE_INVAL) |
370 |
if not opts.live: # --non-live passed |
371 |
mode = constants.HT_MIGRATION_NONLIVE |
372 |
else:
|
373 |
mode = opts.migration_mode |
374 |
op = opcodes.OpNodeMigrate(node_name=args[0], mode=mode)
|
375 |
SubmitOpCode(op, cl=cl, opts=opts) |
376 |
|
377 |
|
378 |
def ShowNodeConfig(opts, args): |
379 |
"""Show node information.
|
380 |
|
381 |
@param opts: the command line options selected by the user
|
382 |
@type args: list
|
383 |
@param args: should either be an empty list, in which case
|
384 |
we show information about all nodes, or should contain
|
385 |
a list of nodes to be queried for information
|
386 |
@rtype: int
|
387 |
@return: the desired exit code
|
388 |
|
389 |
"""
|
390 |
cl = GetClient() |
391 |
result = cl.QueryNodes(fields=["name", "pip", "sip", |
392 |
"pinst_list", "sinst_list", |
393 |
"master_candidate", "drained", "offline", |
394 |
"master_capable", "vm_capable", "powered", |
395 |
"ndparams", "custom_ndparams"], |
396 |
names=args, use_locking=False)
|
397 |
|
398 |
for (name, primary_ip, secondary_ip, pinst, sinst, is_mc, drained, offline,
|
399 |
master_capable, vm_capable, powered, ndparams, |
400 |
ndparams_custom) in result:
|
401 |
ToStdout("Node name: %s", name)
|
402 |
ToStdout(" primary ip: %s", primary_ip)
|
403 |
ToStdout(" secondary ip: %s", secondary_ip)
|
404 |
ToStdout(" master candidate: %s", is_mc)
|
405 |
ToStdout(" drained: %s", drained)
|
406 |
ToStdout(" offline: %s", offline)
|
407 |
if powered is not None: |
408 |
ToStdout(" powered: %s", powered)
|
409 |
ToStdout(" master_capable: %s", master_capable)
|
410 |
ToStdout(" vm_capable: %s", vm_capable)
|
411 |
if vm_capable:
|
412 |
if pinst:
|
413 |
ToStdout(" primary for instances:")
|
414 |
for iname in utils.NiceSort(pinst): |
415 |
ToStdout(" - %s", iname)
|
416 |
else:
|
417 |
ToStdout(" primary for no instances")
|
418 |
if sinst:
|
419 |
ToStdout(" secondary for instances:")
|
420 |
for iname in utils.NiceSort(sinst): |
421 |
ToStdout(" - %s", iname)
|
422 |
else:
|
423 |
ToStdout(" secondary for no instances")
|
424 |
ToStdout(" node parameters:")
|
425 |
buf = StringIO() |
426 |
FormatParameterDict(buf, ndparams_custom, ndparams, level=2)
|
427 |
ToStdout(buf.getvalue().rstrip("\n"))
|
428 |
|
429 |
return 0 |
430 |
|
431 |
|
432 |
def RemoveNode(opts, args): |
433 |
"""Remove a node from the cluster.
|
434 |
|
435 |
@param opts: the command line options selected by the user
|
436 |
@type args: list
|
437 |
@param args: should contain only one element, the name of
|
438 |
the node to be removed
|
439 |
@rtype: int
|
440 |
@return: the desired exit code
|
441 |
|
442 |
"""
|
443 |
op = opcodes.OpNodeRemove(node_name=args[0])
|
444 |
SubmitOpCode(op, opts=opts) |
445 |
return 0 |
446 |
|
447 |
|
448 |
def PowercycleNode(opts, args): |
449 |
"""Remove a node from the cluster.
|
450 |
|
451 |
@param opts: the command line options selected by the user
|
452 |
@type args: list
|
453 |
@param args: should contain only one element, the name of
|
454 |
the node to be removed
|
455 |
@rtype: int
|
456 |
@return: the desired exit code
|
457 |
|
458 |
"""
|
459 |
node = args[0]
|
460 |
if (not opts.confirm and |
461 |
not AskUser("Are you sure you want to hard powercycle node %s?" % node)): |
462 |
return 2 |
463 |
|
464 |
op = opcodes.OpNodePowercycle(node_name=node, force=opts.force) |
465 |
result = SubmitOpCode(op, opts=opts) |
466 |
if result:
|
467 |
ToStderr(result) |
468 |
return 0 |
469 |
|
470 |
|
471 |
def PowerNode(opts, args): |
472 |
"""Change/ask power state of a node.
|
473 |
|
474 |
@param opts: the command line options selected by the user
|
475 |
@type args: list
|
476 |
@param args: should contain only one element, the name of
|
477 |
the node to be removed
|
478 |
@rtype: int
|
479 |
@return: the desired exit code
|
480 |
|
481 |
"""
|
482 |
command = args[0]
|
483 |
node = args[1]
|
484 |
|
485 |
if command not in _LIST_POWER_COMMANDS: |
486 |
ToStderr("power subcommand %s not supported." % command)
|
487 |
return constants.EXIT_FAILURE
|
488 |
|
489 |
oob_command = "power-%s" % command
|
490 |
|
491 |
opcodelist = [] |
492 |
if oob_command == constants.OOB_POWER_OFF:
|
493 |
opcodelist.append(opcodes.OpNodeSetParams(node_name=node, offline=True,
|
494 |
auto_promote=opts.auto_promote)) |
495 |
|
496 |
opcodelist.append(opcodes.OpOobCommand(node_names=[node], |
497 |
command=oob_command)) |
498 |
|
499 |
cli.SetGenericOpcodeOpts(opcodelist, opts) |
500 |
|
501 |
job_id = cli.SendJob(opcodelist) |
502 |
|
503 |
# We just want the OOB Opcode status
|
504 |
# If it fails PollJob gives us the error message in it
|
505 |
result = cli.PollJob(job_id)[-1]
|
506 |
|
507 |
if result:
|
508 |
(_, data_tuple) = result[0]
|
509 |
if data_tuple[0] != constants.RS_NORMAL: |
510 |
if data_tuple[0] == constants.RS_UNAVAIL: |
511 |
result = "OOB is not supported"
|
512 |
else:
|
513 |
result = "RPC failed, look out for warning in the output"
|
514 |
ToStderr(result) |
515 |
return constants.EXIT_FAILURE
|
516 |
else:
|
517 |
if oob_command == constants.OOB_POWER_STATUS:
|
518 |
text = "The machine is %spowered"
|
519 |
if data_tuple[1][constants.OOB_POWER_STATUS_POWERED]: |
520 |
result = text % ""
|
521 |
else:
|
522 |
result = text % "not "
|
523 |
ToStdout(result) |
524 |
|
525 |
return constants.EXIT_SUCCESS
|
526 |
|
527 |
|
528 |
def ListVolumes(opts, args): |
529 |
"""List logical volumes on node(s).
|
530 |
|
531 |
@param opts: the command line options selected by the user
|
532 |
@type args: list
|
533 |
@param args: should either be an empty list, in which case
|
534 |
we list data for all nodes, or contain a list of nodes
|
535 |
to display data only for those
|
536 |
@rtype: int
|
537 |
@return: the desired exit code
|
538 |
|
539 |
"""
|
540 |
selected_fields = ParseFields(opts.output, _LIST_VOL_DEF_FIELDS) |
541 |
|
542 |
op = opcodes.OpNodeQueryvols(nodes=args, output_fields=selected_fields) |
543 |
output = SubmitOpCode(op, opts=opts) |
544 |
|
545 |
if not opts.no_headers: |
546 |
headers = {"node": "Node", "phys": "PhysDev", |
547 |
"vg": "VG", "name": "Name", |
548 |
"size": "Size", "instance": "Instance"} |
549 |
else:
|
550 |
headers = None
|
551 |
|
552 |
unitfields = ["size"]
|
553 |
|
554 |
numfields = ["size"]
|
555 |
|
556 |
data = GenerateTable(separator=opts.separator, headers=headers, |
557 |
fields=selected_fields, unitfields=unitfields, |
558 |
numfields=numfields, data=output, units=opts.units) |
559 |
|
560 |
for line in data: |
561 |
ToStdout(line) |
562 |
|
563 |
return 0 |
564 |
|
565 |
|
566 |
def ListStorage(opts, args): |
567 |
"""List physical volumes on node(s).
|
568 |
|
569 |
@param opts: the command line options selected by the user
|
570 |
@type args: list
|
571 |
@param args: should either be an empty list, in which case
|
572 |
we list data for all nodes, or contain a list of nodes
|
573 |
to display data only for those
|
574 |
@rtype: int
|
575 |
@return: the desired exit code
|
576 |
|
577 |
"""
|
578 |
# TODO: Default to ST_FILE if LVM is disabled on the cluster
|
579 |
if opts.user_storage_type is None: |
580 |
opts.user_storage_type = constants.ST_LVM_PV |
581 |
|
582 |
storage_type = ConvertStorageType(opts.user_storage_type) |
583 |
|
584 |
selected_fields = ParseFields(opts.output, _LIST_STOR_DEF_FIELDS) |
585 |
|
586 |
op = opcodes.OpNodeQueryStorage(nodes=args, |
587 |
storage_type=storage_type, |
588 |
output_fields=selected_fields) |
589 |
output = SubmitOpCode(op, opts=opts) |
590 |
|
591 |
if not opts.no_headers: |
592 |
headers = { |
593 |
constants.SF_NODE: "Node",
|
594 |
constants.SF_TYPE: "Type",
|
595 |
constants.SF_NAME: "Name",
|
596 |
constants.SF_SIZE: "Size",
|
597 |
constants.SF_USED: "Used",
|
598 |
constants.SF_FREE: "Free",
|
599 |
constants.SF_ALLOCATABLE: "Allocatable",
|
600 |
} |
601 |
else:
|
602 |
headers = None
|
603 |
|
604 |
unitfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE] |
605 |
numfields = [constants.SF_SIZE, constants.SF_USED, constants.SF_FREE] |
606 |
|
607 |
# change raw values to nicer strings
|
608 |
for row in output: |
609 |
for idx, field in enumerate(selected_fields): |
610 |
val = row[idx] |
611 |
if field == constants.SF_ALLOCATABLE:
|
612 |
if val:
|
613 |
val = "Y"
|
614 |
else:
|
615 |
val = "N"
|
616 |
row[idx] = str(val)
|
617 |
|
618 |
data = GenerateTable(separator=opts.separator, headers=headers, |
619 |
fields=selected_fields, unitfields=unitfields, |
620 |
numfields=numfields, data=output, units=opts.units) |
621 |
|
622 |
for line in data: |
623 |
ToStdout(line) |
624 |
|
625 |
return 0 |
626 |
|
627 |
|
628 |
def ModifyStorage(opts, args): |
629 |
"""Modify storage volume on a node.
|
630 |
|
631 |
@param opts: the command line options selected by the user
|
632 |
@type args: list
|
633 |
@param args: should contain 3 items: node name, storage type and volume name
|
634 |
@rtype: int
|
635 |
@return: the desired exit code
|
636 |
|
637 |
"""
|
638 |
(node_name, user_storage_type, volume_name) = args |
639 |
|
640 |
storage_type = ConvertStorageType(user_storage_type) |
641 |
|
642 |
changes = {} |
643 |
|
644 |
if opts.allocatable is not None: |
645 |
changes[constants.SF_ALLOCATABLE] = opts.allocatable |
646 |
|
647 |
if changes:
|
648 |
op = opcodes.OpNodeModifyStorage(node_name=node_name, |
649 |
storage_type=storage_type, |
650 |
name=volume_name, |
651 |
changes=changes) |
652 |
SubmitOpCode(op, opts=opts) |
653 |
else:
|
654 |
ToStderr("No changes to perform, exiting.")
|
655 |
|
656 |
|
657 |
def RepairStorage(opts, args): |
658 |
"""Repairs a storage volume on a node.
|
659 |
|
660 |
@param opts: the command line options selected by the user
|
661 |
@type args: list
|
662 |
@param args: should contain 3 items: node name, storage type and volume name
|
663 |
@rtype: int
|
664 |
@return: the desired exit code
|
665 |
|
666 |
"""
|
667 |
(node_name, user_storage_type, volume_name) = args |
668 |
|
669 |
storage_type = ConvertStorageType(user_storage_type) |
670 |
|
671 |
op = opcodes.OpRepairNodeStorage(node_name=node_name, |
672 |
storage_type=storage_type, |
673 |
name=volume_name, |
674 |
ignore_consistency=opts.ignore_consistency) |
675 |
SubmitOpCode(op, opts=opts) |
676 |
|
677 |
|
678 |
def SetNodeParams(opts, args): |
679 |
"""Modifies a node.
|
680 |
|
681 |
@param opts: the command line options selected by the user
|
682 |
@type args: list
|
683 |
@param args: should contain only one element, the node name
|
684 |
@rtype: int
|
685 |
@return: the desired exit code
|
686 |
|
687 |
"""
|
688 |
all_changes = [opts.master_candidate, opts.drained, opts.offline, |
689 |
opts.master_capable, opts.vm_capable, opts.secondary_ip, |
690 |
opts.ndparams] |
691 |
if all_changes.count(None) == len(all_changes): |
692 |
ToStderr("Please give at least one of the parameters.")
|
693 |
return 1 |
694 |
|
695 |
op = opcodes.OpNodeSetParams(node_name=args[0],
|
696 |
master_candidate=opts.master_candidate, |
697 |
offline=opts.offline, |
698 |
drained=opts.drained, |
699 |
master_capable=opts.master_capable, |
700 |
vm_capable=opts.vm_capable, |
701 |
secondary_ip=opts.secondary_ip, |
702 |
force=opts.force, |
703 |
ndparams=opts.ndparams, |
704 |
auto_promote=opts.auto_promote, |
705 |
powered=opts.node_powered) |
706 |
|
707 |
# even if here we process the result, we allow submit only
|
708 |
result = SubmitOrSend(op, opts) |
709 |
|
710 |
if result:
|
711 |
ToStdout("Modified node %s", args[0]) |
712 |
for param, data in result: |
713 |
ToStdout(" - %-5s -> %s", param, data)
|
714 |
return 0 |
715 |
|
716 |
|
717 |
commands = { |
718 |
'add': (
|
719 |
AddNode, [ArgHost(min=1, max=1)], |
720 |
[SECONDARY_IP_OPT, READD_OPT, NOSSH_KEYCHECK_OPT, NODE_FORCE_JOIN_OPT, |
721 |
NONODE_SETUP_OPT, VERBOSE_OPT, NODEGROUP_OPT, PRIORITY_OPT, |
722 |
CAPAB_MASTER_OPT, CAPAB_VM_OPT, NODE_PARAMS_OPT], |
723 |
"[-s ip] [--readd] [--no-ssh-key-check] [--force-join]"
|
724 |
" [--no-node-setup] [--verbose]"
|
725 |
" <node_name>",
|
726 |
"Add a node to the cluster"),
|
727 |
'evacuate': (
|
728 |
EvacuateNode, [ArgNode(min=1)],
|
729 |
[FORCE_OPT, IALLOCATOR_OPT, NEW_SECONDARY_OPT, EARLY_RELEASE_OPT, |
730 |
PRIORITY_OPT], |
731 |
"[-f] {-I <iallocator> | -n <dst>} <node>",
|
732 |
"Relocate the secondary instances from a node"
|
733 |
" to other nodes (only for instances with drbd disk template)"),
|
734 |
'failover': (
|
735 |
FailoverNode, ARGS_ONE_NODE, [FORCE_OPT, IGNORE_CONSIST_OPT, PRIORITY_OPT], |
736 |
"[-f] <node>",
|
737 |
"Stops the primary instances on a node and start them on their"
|
738 |
" secondary node (only for instances with drbd disk template)"),
|
739 |
'migrate': (
|
740 |
MigrateNode, ARGS_ONE_NODE, |
741 |
[FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT, PRIORITY_OPT], |
742 |
"[-f] <node>",
|
743 |
"Migrate all the primary instance on a node away from it"
|
744 |
" (only for instances of type drbd)"),
|
745 |
'info': (
|
746 |
ShowNodeConfig, ARGS_MANY_NODES, [], |
747 |
"[<node_name>...]", "Show information about the node(s)"), |
748 |
'list': (
|
749 |
ListNodes, ARGS_MANY_NODES, |
750 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, VERBOSE_OPT], |
751 |
"[nodes...]",
|
752 |
"Lists the nodes in the cluster. The available fields can be shown using"
|
753 |
" the \"list-fields\" command (see the man page for details)."
|
754 |
" The default field list is (in order): %s." %
|
755 |
utils.CommaJoin(_LIST_DEF_FIELDS)), |
756 |
"list-fields": (
|
757 |
ListNodeFields, [ArgUnknown()], |
758 |
[NOHDR_OPT, SEP_OPT], |
759 |
"[fields...]",
|
760 |
"Lists all available fields for nodes"),
|
761 |
'modify': (
|
762 |
SetNodeParams, ARGS_ONE_NODE, |
763 |
[FORCE_OPT, SUBMIT_OPT, MC_OPT, DRAINED_OPT, OFFLINE_OPT, |
764 |
CAPAB_MASTER_OPT, CAPAB_VM_OPT, SECONDARY_IP_OPT, |
765 |
AUTO_PROMOTE_OPT, DRY_RUN_OPT, PRIORITY_OPT, NODE_PARAMS_OPT, |
766 |
NODE_POWERED_OPT], |
767 |
"<node_name>", "Alters the parameters of a node"), |
768 |
'powercycle': (
|
769 |
PowercycleNode, ARGS_ONE_NODE, |
770 |
[FORCE_OPT, CONFIRM_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
771 |
"<node_name>", "Tries to forcefully powercycle a node"), |
772 |
'power': (
|
773 |
PowerNode, |
774 |
[ArgChoice(min=1, max=1, choices=_LIST_POWER_COMMANDS), |
775 |
ArgNode(min=1, max=1)], |
776 |
[SUBMIT_OPT, AUTO_PROMOTE_OPT, PRIORITY_OPT], |
777 |
"on|off|cycle|status <node>",
|
778 |
"Change power state of node by calling out-of-band helper."),
|
779 |
'remove': (
|
780 |
RemoveNode, ARGS_ONE_NODE, [DRY_RUN_OPT, PRIORITY_OPT], |
781 |
"<node_name>", "Removes a node from the cluster"), |
782 |
'volumes': (
|
783 |
ListVolumes, [ArgNode()], |
784 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, PRIORITY_OPT], |
785 |
"[<node_name>...]", "List logical volumes on node(s)"), |
786 |
'list-storage': (
|
787 |
ListStorage, ARGS_MANY_NODES, |
788 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, _STORAGE_TYPE_OPT, |
789 |
PRIORITY_OPT], |
790 |
"[<node_name>...]", "List physical volumes on node(s). The available" |
791 |
" fields are (see the man page for details): %s." %
|
792 |
(utils.CommaJoin(_LIST_STOR_HEADERS))), |
793 |
'modify-storage': (
|
794 |
ModifyStorage, |
795 |
[ArgNode(min=1, max=1), |
796 |
ArgChoice(min=1, max=1, choices=_MODIFIABLE_STORAGE_TYPES), |
797 |
ArgFile(min=1, max=1)], |
798 |
[ALLOCATABLE_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
799 |
"<node_name> <storage_type> <name>", "Modify storage volume on a node"), |
800 |
'repair-storage': (
|
801 |
RepairStorage, |
802 |
[ArgNode(min=1, max=1), |
803 |
ArgChoice(min=1, max=1, choices=_REPAIRABLE_STORAGE_TYPES), |
804 |
ArgFile(min=1, max=1)], |
805 |
[IGNORE_CONSIST_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
806 |
"<node_name> <storage_type> <name>",
|
807 |
"Repairs a storage volume on a node"),
|
808 |
'list-tags': (
|
809 |
ListTags, ARGS_ONE_NODE, [], |
810 |
"<node_name>", "List the tags of the given node"), |
811 |
'add-tags': (
|
812 |
AddTags, [ArgNode(min=1, max=1), ArgUnknown()], [TAG_SRC_OPT, PRIORITY_OPT], |
813 |
"<node_name> tag...", "Add tags to the given node"), |
814 |
'remove-tags': (
|
815 |
RemoveTags, [ArgNode(min=1, max=1), ArgUnknown()], |
816 |
[TAG_SRC_OPT, PRIORITY_OPT], |
817 |
"<node_name> tag...", "Remove tags from the given node"), |
818 |
} |
819 |
|
820 |
|
821 |
def Main(): |
822 |
return GenericMain(commands, override={"tag_type": constants.TAG_NODE}) |