root / lib / client / gnt_instance.py @ f86426f5
History | View | Annotate | Download (51.4 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 |
"""Instance related commands"""
|
22 |
|
23 |
# pylint: disable-msg=W0401,W0614,C0103
|
24 |
# W0401: Wildcard import ganeti.cli
|
25 |
# W0614: Unused import %s from wildcard import (since we need cli)
|
26 |
# C0103: Invalid name gnt-instance
|
27 |
|
28 |
import itertools |
29 |
import simplejson |
30 |
import logging |
31 |
from cStringIO import StringIO |
32 |
|
33 |
from ganeti.cli import * |
34 |
from ganeti import opcodes |
35 |
from ganeti import constants |
36 |
from ganeti import compat |
37 |
from ganeti import utils |
38 |
from ganeti import errors |
39 |
from ganeti import netutils |
40 |
from ganeti import ssh |
41 |
from ganeti import objects |
42 |
|
43 |
|
44 |
_SHUTDOWN_CLUSTER = "cluster"
|
45 |
_SHUTDOWN_NODES_BOTH = "nodes"
|
46 |
_SHUTDOWN_NODES_PRI = "nodes-pri"
|
47 |
_SHUTDOWN_NODES_SEC = "nodes-sec"
|
48 |
_SHUTDOWN_NODES_BOTH_BY_TAGS = "nodes-by-tags"
|
49 |
_SHUTDOWN_NODES_PRI_BY_TAGS = "nodes-pri-by-tags"
|
50 |
_SHUTDOWN_NODES_SEC_BY_TAGS = "nodes-sec-by-tags"
|
51 |
_SHUTDOWN_INSTANCES = "instances"
|
52 |
_SHUTDOWN_INSTANCES_BY_TAGS = "instances-by-tags"
|
53 |
|
54 |
_SHUTDOWN_NODES_TAGS_MODES = ( |
55 |
_SHUTDOWN_NODES_BOTH_BY_TAGS, |
56 |
_SHUTDOWN_NODES_PRI_BY_TAGS, |
57 |
_SHUTDOWN_NODES_SEC_BY_TAGS) |
58 |
|
59 |
|
60 |
#: default list of options for L{ListInstances}
|
61 |
_LIST_DEF_FIELDS = [ |
62 |
"name", "hypervisor", "os", "pnode", "status", "oper_ram", |
63 |
] |
64 |
|
65 |
|
66 |
def _ExpandMultiNames(mode, names, client=None): |
67 |
"""Expand the given names using the passed mode.
|
68 |
|
69 |
For _SHUTDOWN_CLUSTER, all instances will be returned. For
|
70 |
_SHUTDOWN_NODES_PRI/SEC, all instances having those nodes as
|
71 |
primary/secondary will be returned. For _SHUTDOWN_NODES_BOTH, all
|
72 |
instances having those nodes as either primary or secondary will be
|
73 |
returned. For _SHUTDOWN_INSTANCES, the given instances will be
|
74 |
returned.
|
75 |
|
76 |
@param mode: one of L{_SHUTDOWN_CLUSTER}, L{_SHUTDOWN_NODES_BOTH},
|
77 |
L{_SHUTDOWN_NODES_PRI}, L{_SHUTDOWN_NODES_SEC} or
|
78 |
L{_SHUTDOWN_INSTANCES}
|
79 |
@param names: a list of names; for cluster, it must be empty,
|
80 |
and for node and instance it must be a list of valid item
|
81 |
names (short names are valid as usual, e.g. node1 instead of
|
82 |
node1.example.com)
|
83 |
@rtype: list
|
84 |
@return: the list of names after the expansion
|
85 |
@raise errors.ProgrammerError: for unknown selection type
|
86 |
@raise errors.OpPrereqError: for invalid input parameters
|
87 |
|
88 |
"""
|
89 |
# pylint: disable-msg=W0142
|
90 |
|
91 |
if client is None: |
92 |
client = GetClient() |
93 |
if mode == _SHUTDOWN_CLUSTER:
|
94 |
if names:
|
95 |
raise errors.OpPrereqError("Cluster filter mode takes no arguments", |
96 |
errors.ECODE_INVAL) |
97 |
idata = client.QueryInstances([], ["name"], False) |
98 |
inames = [row[0] for row in idata] |
99 |
|
100 |
elif mode in (_SHUTDOWN_NODES_BOTH, |
101 |
_SHUTDOWN_NODES_PRI, |
102 |
_SHUTDOWN_NODES_SEC) + _SHUTDOWN_NODES_TAGS_MODES: |
103 |
if mode in _SHUTDOWN_NODES_TAGS_MODES: |
104 |
if not names: |
105 |
raise errors.OpPrereqError("No node tags passed", errors.ECODE_INVAL) |
106 |
ndata = client.QueryNodes([], ["name", "pinst_list", |
107 |
"sinst_list", "tags"], False) |
108 |
ndata = [row for row in ndata if set(row[3]).intersection(names)] |
109 |
else:
|
110 |
if not names: |
111 |
raise errors.OpPrereqError("No node names passed", errors.ECODE_INVAL) |
112 |
ndata = client.QueryNodes(names, ["name", "pinst_list", "sinst_list"], |
113 |
False)
|
114 |
|
115 |
ipri = [row[1] for row in ndata] |
116 |
pri_names = list(itertools.chain(*ipri))
|
117 |
isec = [row[2] for row in ndata] |
118 |
sec_names = list(itertools.chain(*isec))
|
119 |
if mode in (_SHUTDOWN_NODES_BOTH, _SHUTDOWN_NODES_BOTH_BY_TAGS): |
120 |
inames = pri_names + sec_names |
121 |
elif mode in (_SHUTDOWN_NODES_PRI, _SHUTDOWN_NODES_PRI_BY_TAGS): |
122 |
inames = pri_names |
123 |
elif mode in (_SHUTDOWN_NODES_SEC, _SHUTDOWN_NODES_SEC_BY_TAGS): |
124 |
inames = sec_names |
125 |
else:
|
126 |
raise errors.ProgrammerError("Unhandled shutdown type") |
127 |
elif mode == _SHUTDOWN_INSTANCES:
|
128 |
if not names: |
129 |
raise errors.OpPrereqError("No instance names passed", |
130 |
errors.ECODE_INVAL) |
131 |
idata = client.QueryInstances(names, ["name"], False) |
132 |
inames = [row[0] for row in idata] |
133 |
elif mode == _SHUTDOWN_INSTANCES_BY_TAGS:
|
134 |
if not names: |
135 |
raise errors.OpPrereqError("No instance tags passed", |
136 |
errors.ECODE_INVAL) |
137 |
idata = client.QueryInstances([], ["name", "tags"], False) |
138 |
inames = [row[0] for row in idata if set(row[1]).intersection(names)] |
139 |
else:
|
140 |
raise errors.OpPrereqError("Unknown mode '%s'" % mode, errors.ECODE_INVAL) |
141 |
|
142 |
return inames
|
143 |
|
144 |
|
145 |
def _EnsureInstancesExist(client, names): |
146 |
"""Check for and ensure the given instance names exist.
|
147 |
|
148 |
This function will raise an OpPrereqError in case they don't
|
149 |
exist. Otherwise it will exit cleanly.
|
150 |
|
151 |
@type client: L{ganeti.luxi.Client}
|
152 |
@param client: the client to use for the query
|
153 |
@type names: list
|
154 |
@param names: the list of instance names to query
|
155 |
@raise errors.OpPrereqError: in case any instance is missing
|
156 |
|
157 |
"""
|
158 |
# TODO: change LUInstanceQuery to that it actually returns None
|
159 |
# instead of raising an exception, or devise a better mechanism
|
160 |
result = client.QueryInstances(names, ["name"], False) |
161 |
for orig_name, row in zip(names, result): |
162 |
if row[0] is None: |
163 |
raise errors.OpPrereqError("Instance '%s' does not exist" % orig_name, |
164 |
errors.ECODE_NOENT) |
165 |
|
166 |
|
167 |
def GenericManyOps(operation, fn): |
168 |
"""Generic multi-instance operations.
|
169 |
|
170 |
The will return a wrapper that processes the options and arguments
|
171 |
given, and uses the passed function to build the opcode needed for
|
172 |
the specific operation. Thus all the generic loop/confirmation code
|
173 |
is abstracted into this function.
|
174 |
|
175 |
"""
|
176 |
def realfn(opts, args): |
177 |
if opts.multi_mode is None: |
178 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
179 |
cl = GetClient() |
180 |
inames = _ExpandMultiNames(opts.multi_mode, args, client=cl) |
181 |
if not inames: |
182 |
raise errors.OpPrereqError("Selection filter does not match" |
183 |
" any instances", errors.ECODE_INVAL)
|
184 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
185 |
if not (opts.force_multi or not multi_on |
186 |
or ConfirmOperation(inames, "instances", operation)): |
187 |
return 1 |
188 |
jex = JobExecutor(verbose=multi_on, cl=cl, opts=opts) |
189 |
for name in inames: |
190 |
op = fn(name, opts) |
191 |
jex.QueueJob(name, op) |
192 |
results = jex.WaitOrShow(not opts.submit_only)
|
193 |
rcode = compat.all(row[0] for row in results) |
194 |
return int(not rcode) |
195 |
return realfn
|
196 |
|
197 |
|
198 |
def ListInstances(opts, args): |
199 |
"""List instances and their properties.
|
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 |
selected_fields = ParseFields(opts.output, _LIST_DEF_FIELDS) |
209 |
|
210 |
fmtoverride = dict.fromkeys(["tags", "disk.sizes", "nic.macs", "nic.ips", |
211 |
"nic.modes", "nic.links", "nic.bridges", |
212 |
"snodes"],
|
213 |
(lambda value: ",".join(str(item) |
214 |
for item in value), |
215 |
False))
|
216 |
|
217 |
return GenericList(constants.QR_INSTANCE, selected_fields, args, opts.units,
|
218 |
opts.separator, not opts.no_headers,
|
219 |
format_override=fmtoverride) |
220 |
|
221 |
|
222 |
def ListInstanceFields(opts, args): |
223 |
"""List instance fields.
|
224 |
|
225 |
@param opts: the command line options selected by the user
|
226 |
@type args: list
|
227 |
@param args: fields to list, or empty for all
|
228 |
@rtype: int
|
229 |
@return: the desired exit code
|
230 |
|
231 |
"""
|
232 |
return GenericListFields(constants.QR_INSTANCE, args, opts.separator,
|
233 |
not opts.no_headers)
|
234 |
|
235 |
|
236 |
def AddInstance(opts, args): |
237 |
"""Add an instance to the cluster.
|
238 |
|
239 |
This is just a wrapper over GenericInstanceCreate.
|
240 |
|
241 |
"""
|
242 |
return GenericInstanceCreate(constants.INSTANCE_CREATE, opts, args)
|
243 |
|
244 |
|
245 |
def BatchCreate(opts, args): |
246 |
"""Create instances using a definition file.
|
247 |
|
248 |
This function reads a json file with instances defined
|
249 |
in the form::
|
250 |
|
251 |
{"instance-name":{
|
252 |
"disk_size": [20480],
|
253 |
"template": "drbd",
|
254 |
"backend": {
|
255 |
"memory": 512,
|
256 |
"vcpus": 1 },
|
257 |
"os": "debootstrap",
|
258 |
"primary_node": "firstnode",
|
259 |
"secondary_node": "secondnode",
|
260 |
"iallocator": "dumb"}
|
261 |
}
|
262 |
|
263 |
Note that I{primary_node} and I{secondary_node} have precedence over
|
264 |
I{iallocator}.
|
265 |
|
266 |
@param opts: the command line options selected by the user
|
267 |
@type args: list
|
268 |
@param args: should contain one element, the json filename
|
269 |
@rtype: int
|
270 |
@return: the desired exit code
|
271 |
|
272 |
"""
|
273 |
_DEFAULT_SPECS = {"disk_size": [20 * 1024], |
274 |
"backend": {},
|
275 |
"iallocator": None, |
276 |
"primary_node": None, |
277 |
"secondary_node": None, |
278 |
"nics": None, |
279 |
"start": True, |
280 |
"ip_check": True, |
281 |
"name_check": True, |
282 |
"hypervisor": None, |
283 |
"hvparams": {},
|
284 |
"file_storage_dir": None, |
285 |
"force_variant": False, |
286 |
"file_driver": 'loop'} |
287 |
|
288 |
def _PopulateWithDefaults(spec): |
289 |
"""Returns a new hash combined with default values."""
|
290 |
mydict = _DEFAULT_SPECS.copy() |
291 |
mydict.update(spec) |
292 |
return mydict
|
293 |
|
294 |
def _Validate(spec): |
295 |
"""Validate the instance specs."""
|
296 |
# Validate fields required under any circumstances
|
297 |
for required_field in ('os', 'template'): |
298 |
if required_field not in spec: |
299 |
raise errors.OpPrereqError('Required field "%s" is missing.' % |
300 |
required_field, errors.ECODE_INVAL) |
301 |
# Validate special fields
|
302 |
if spec['primary_node'] is not None: |
303 |
if (spec['template'] in constants.DTS_NET_MIRROR and |
304 |
spec['secondary_node'] is None): |
305 |
raise errors.OpPrereqError('Template requires secondary node, but' |
306 |
' there was no secondary provided.',
|
307 |
errors.ECODE_INVAL) |
308 |
elif spec['iallocator'] is None: |
309 |
raise errors.OpPrereqError('You have to provide at least a primary_node' |
310 |
' or an iallocator.',
|
311 |
errors.ECODE_INVAL) |
312 |
|
313 |
if (spec['hvparams'] and |
314 |
not isinstance(spec['hvparams'], dict)): |
315 |
raise errors.OpPrereqError('Hypervisor parameters must be a dict.', |
316 |
errors.ECODE_INVAL) |
317 |
|
318 |
json_filename = args[0]
|
319 |
try:
|
320 |
instance_data = simplejson.loads(utils.ReadFile(json_filename)) |
321 |
except Exception, err: # pylint: disable-msg=W0703 |
322 |
ToStderr("Can't parse the instance definition file: %s" % str(err)) |
323 |
return 1 |
324 |
|
325 |
if not isinstance(instance_data, dict): |
326 |
ToStderr("The instance definition file is not in dict format.")
|
327 |
return 1 |
328 |
|
329 |
jex = JobExecutor(opts=opts) |
330 |
|
331 |
# Iterate over the instances and do:
|
332 |
# * Populate the specs with default value
|
333 |
# * Validate the instance specs
|
334 |
i_names = utils.NiceSort(instance_data.keys()) # pylint: disable-msg=E1103
|
335 |
for name in i_names: |
336 |
specs = instance_data[name] |
337 |
specs = _PopulateWithDefaults(specs) |
338 |
_Validate(specs) |
339 |
|
340 |
hypervisor = specs['hypervisor']
|
341 |
hvparams = specs['hvparams']
|
342 |
|
343 |
disks = [] |
344 |
for elem in specs['disk_size']: |
345 |
try:
|
346 |
size = utils.ParseUnit(elem) |
347 |
except (TypeError, ValueError), err: |
348 |
raise errors.OpPrereqError("Invalid disk size '%s' for" |
349 |
" instance %s: %s" %
|
350 |
(elem, name, err), errors.ECODE_INVAL) |
351 |
disks.append({"size": size})
|
352 |
|
353 |
utils.ForceDictType(specs['backend'], constants.BES_PARAMETER_TYPES)
|
354 |
utils.ForceDictType(hvparams, constants.HVS_PARAMETER_TYPES) |
355 |
|
356 |
tmp_nics = [] |
357 |
for field in ('ip', 'mac', 'mode', 'link', 'bridge'): |
358 |
if field in specs: |
359 |
if not tmp_nics: |
360 |
tmp_nics.append({}) |
361 |
tmp_nics[0][field] = specs[field]
|
362 |
|
363 |
if specs['nics'] is not None and tmp_nics: |
364 |
raise errors.OpPrereqError("'nics' list incompatible with using" |
365 |
" individual nic fields as well",
|
366 |
errors.ECODE_INVAL) |
367 |
elif specs['nics'] is not None: |
368 |
tmp_nics = specs['nics']
|
369 |
elif not tmp_nics: |
370 |
tmp_nics = [{}] |
371 |
|
372 |
op = opcodes.OpInstanceCreate(instance_name=name, |
373 |
disks=disks, |
374 |
disk_template=specs['template'],
|
375 |
mode=constants.INSTANCE_CREATE, |
376 |
os_type=specs['os'],
|
377 |
force_variant=specs["force_variant"],
|
378 |
pnode=specs['primary_node'],
|
379 |
snode=specs['secondary_node'],
|
380 |
nics=tmp_nics, |
381 |
start=specs['start'],
|
382 |
ip_check=specs['ip_check'],
|
383 |
name_check=specs['name_check'],
|
384 |
wait_for_sync=True,
|
385 |
iallocator=specs['iallocator'],
|
386 |
hypervisor=hypervisor, |
387 |
hvparams=hvparams, |
388 |
beparams=specs['backend'],
|
389 |
file_storage_dir=specs['file_storage_dir'],
|
390 |
file_driver=specs['file_driver'])
|
391 |
|
392 |
jex.QueueJob(name, op) |
393 |
# we never want to wait, just show the submitted job IDs
|
394 |
jex.WaitOrShow(False)
|
395 |
|
396 |
return 0 |
397 |
|
398 |
|
399 |
def ReinstallInstance(opts, args): |
400 |
"""Reinstall an instance.
|
401 |
|
402 |
@param opts: the command line options selected by the user
|
403 |
@type args: list
|
404 |
@param args: should contain only one element, the name of the
|
405 |
instance to be reinstalled
|
406 |
@rtype: int
|
407 |
@return: the desired exit code
|
408 |
|
409 |
"""
|
410 |
# first, compute the desired name list
|
411 |
if opts.multi_mode is None: |
412 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
413 |
|
414 |
inames = _ExpandMultiNames(opts.multi_mode, args) |
415 |
if not inames: |
416 |
raise errors.OpPrereqError("Selection filter does not match any instances", |
417 |
errors.ECODE_INVAL) |
418 |
|
419 |
# second, if requested, ask for an OS
|
420 |
if opts.select_os is True: |
421 |
op = opcodes.OpOsDiagnose(output_fields=["name", "variants"], names=[]) |
422 |
result = SubmitOpCode(op, opts=opts) |
423 |
|
424 |
if not result: |
425 |
ToStdout("Can't get the OS list")
|
426 |
return 1 |
427 |
|
428 |
ToStdout("Available OS templates:")
|
429 |
number = 0
|
430 |
choices = [] |
431 |
for (name, variants) in result: |
432 |
for entry in CalculateOSNames(name, variants): |
433 |
ToStdout("%3s: %s", number, entry)
|
434 |
choices.append(("%s" % number, entry, entry))
|
435 |
number += 1
|
436 |
|
437 |
choices.append(('x', 'exit', 'Exit gnt-instance reinstall')) |
438 |
selected = AskUser("Enter OS template number (or x to abort):",
|
439 |
choices) |
440 |
|
441 |
if selected == 'exit': |
442 |
ToStderr("User aborted reinstall, exiting")
|
443 |
return 1 |
444 |
|
445 |
os_name = selected |
446 |
os_msg = "change the OS to '%s'" % selected
|
447 |
else:
|
448 |
os_name = opts.os |
449 |
if opts.os is not None: |
450 |
os_msg = "change the OS to '%s'" % os_name
|
451 |
else:
|
452 |
os_msg = "keep the same OS"
|
453 |
|
454 |
# third, get confirmation: multi-reinstall requires --force-multi,
|
455 |
# single-reinstall either --force or --force-multi (--force-multi is
|
456 |
# a stronger --force)
|
457 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
458 |
if multi_on:
|
459 |
warn_msg = ("Note: this will remove *all* data for the"
|
460 |
" below instances! It will %s.\n" % os_msg)
|
461 |
if not (opts.force_multi or |
462 |
ConfirmOperation(inames, "instances", "reinstall", extra=warn_msg)): |
463 |
return 1 |
464 |
else:
|
465 |
if not (opts.force or opts.force_multi): |
466 |
usertext = ("This will reinstall the instance '%s' (and %s) which"
|
467 |
" removes all data. Continue?") % (inames[0], os_msg) |
468 |
if not AskUser(usertext): |
469 |
return 1 |
470 |
|
471 |
jex = JobExecutor(verbose=multi_on, opts=opts) |
472 |
for instance_name in inames: |
473 |
op = opcodes.OpInstanceReinstall(instance_name=instance_name, |
474 |
os_type=os_name, |
475 |
force_variant=opts.force_variant, |
476 |
osparams=opts.osparams) |
477 |
jex.QueueJob(instance_name, op) |
478 |
|
479 |
jex.WaitOrShow(not opts.submit_only)
|
480 |
return 0 |
481 |
|
482 |
|
483 |
def RemoveInstance(opts, args): |
484 |
"""Remove an instance.
|
485 |
|
486 |
@param opts: the command line options selected by the user
|
487 |
@type args: list
|
488 |
@param args: should contain only one element, the name of
|
489 |
the instance to be removed
|
490 |
@rtype: int
|
491 |
@return: the desired exit code
|
492 |
|
493 |
"""
|
494 |
instance_name = args[0]
|
495 |
force = opts.force |
496 |
cl = GetClient() |
497 |
|
498 |
if not force: |
499 |
_EnsureInstancesExist(cl, [instance_name]) |
500 |
|
501 |
usertext = ("This will remove the volumes of the instance %s"
|
502 |
" (including mirrors), thus removing all the data"
|
503 |
" of the instance. Continue?") % instance_name
|
504 |
if not AskUser(usertext): |
505 |
return 1 |
506 |
|
507 |
op = opcodes.OpInstanceRemove(instance_name=instance_name, |
508 |
ignore_failures=opts.ignore_failures, |
509 |
shutdown_timeout=opts.shutdown_timeout) |
510 |
SubmitOrSend(op, opts, cl=cl) |
511 |
return 0 |
512 |
|
513 |
|
514 |
def RenameInstance(opts, args): |
515 |
"""Rename an instance.
|
516 |
|
517 |
@param opts: the command line options selected by the user
|
518 |
@type args: list
|
519 |
@param args: should contain two elements, the old and the
|
520 |
new instance names
|
521 |
@rtype: int
|
522 |
@return: the desired exit code
|
523 |
|
524 |
"""
|
525 |
if not opts.name_check: |
526 |
if not AskUser("As you disabled the check of the DNS entry, please verify" |
527 |
" that '%s' is a FQDN. Continue?" % args[1]): |
528 |
return 1 |
529 |
|
530 |
op = opcodes.OpInstanceRename(instance_name=args[0],
|
531 |
new_name=args[1],
|
532 |
ip_check=opts.ip_check, |
533 |
name_check=opts.name_check) |
534 |
result = SubmitOrSend(op, opts) |
535 |
|
536 |
if result:
|
537 |
ToStdout("Instance '%s' renamed to '%s'", args[0], result) |
538 |
|
539 |
return 0 |
540 |
|
541 |
|
542 |
def ActivateDisks(opts, args): |
543 |
"""Activate an instance's disks.
|
544 |
|
545 |
This serves two purposes:
|
546 |
- it allows (as long as the instance is not running)
|
547 |
mounting the disks and modifying them from the node
|
548 |
- it repairs inactive secondary drbds
|
549 |
|
550 |
@param opts: the command line options selected by the user
|
551 |
@type args: list
|
552 |
@param args: should contain only one element, the instance name
|
553 |
@rtype: int
|
554 |
@return: the desired exit code
|
555 |
|
556 |
"""
|
557 |
instance_name = args[0]
|
558 |
op = opcodes.OpInstanceActivateDisks(instance_name=instance_name, |
559 |
ignore_size=opts.ignore_size) |
560 |
disks_info = SubmitOrSend(op, opts) |
561 |
for host, iname, nname in disks_info: |
562 |
ToStdout("%s:%s:%s", host, iname, nname)
|
563 |
return 0 |
564 |
|
565 |
|
566 |
def DeactivateDisks(opts, args): |
567 |
"""Deactivate an instance's disks.
|
568 |
|
569 |
This function takes the instance name, looks for its primary node
|
570 |
and the tries to shutdown its block devices on that node.
|
571 |
|
572 |
@param opts: the command line options selected by the user
|
573 |
@type args: list
|
574 |
@param args: should contain only one element, the instance name
|
575 |
@rtype: int
|
576 |
@return: the desired exit code
|
577 |
|
578 |
"""
|
579 |
instance_name = args[0]
|
580 |
op = opcodes.OpInstanceDeactivateDisks(instance_name=instance_name, |
581 |
force=opts.force) |
582 |
SubmitOrSend(op, opts) |
583 |
return 0 |
584 |
|
585 |
|
586 |
def RecreateDisks(opts, args): |
587 |
"""Recreate an instance's disks.
|
588 |
|
589 |
@param opts: the command line options selected by the user
|
590 |
@type args: list
|
591 |
@param args: should contain only one element, the instance name
|
592 |
@rtype: int
|
593 |
@return: the desired exit code
|
594 |
|
595 |
"""
|
596 |
instance_name = args[0]
|
597 |
if opts.disks:
|
598 |
try:
|
599 |
opts.disks = [int(v) for v in opts.disks.split(",")] |
600 |
except (ValueError, TypeError), err: |
601 |
ToStderr("Invalid disks value: %s" % str(err)) |
602 |
return 1 |
603 |
else:
|
604 |
opts.disks = [] |
605 |
|
606 |
op = opcodes.OpInstanceRecreateDisks(instance_name=instance_name, |
607 |
disks=opts.disks) |
608 |
SubmitOrSend(op, opts) |
609 |
return 0 |
610 |
|
611 |
|
612 |
def GrowDisk(opts, args): |
613 |
"""Grow an instance's disks.
|
614 |
|
615 |
@param opts: the command line options selected by the user
|
616 |
@type args: list
|
617 |
@param args: should contain two elements, the instance name
|
618 |
whose disks we grow and the disk name, e.g. I{sda}
|
619 |
@rtype: int
|
620 |
@return: the desired exit code
|
621 |
|
622 |
"""
|
623 |
instance = args[0]
|
624 |
disk = args[1]
|
625 |
try:
|
626 |
disk = int(disk)
|
627 |
except (TypeError, ValueError), err: |
628 |
raise errors.OpPrereqError("Invalid disk index: %s" % str(err), |
629 |
errors.ECODE_INVAL) |
630 |
amount = utils.ParseUnit(args[2])
|
631 |
op = opcodes.OpInstanceGrowDisk(instance_name=instance, |
632 |
disk=disk, amount=amount, |
633 |
wait_for_sync=opts.wait_for_sync) |
634 |
SubmitOrSend(op, opts) |
635 |
return 0 |
636 |
|
637 |
|
638 |
def _StartupInstance(name, opts): |
639 |
"""Startup instances.
|
640 |
|
641 |
This returns the opcode to start an instance, and its decorator will
|
642 |
wrap this into a loop starting all desired instances.
|
643 |
|
644 |
@param name: the name of the instance to act on
|
645 |
@param opts: the command line options selected by the user
|
646 |
@return: the opcode needed for the operation
|
647 |
|
648 |
"""
|
649 |
op = opcodes.OpInstanceStartup(instance_name=name, |
650 |
force=opts.force, |
651 |
ignore_offline_nodes=opts.ignore_offline) |
652 |
# do not add these parameters to the opcode unless they're defined
|
653 |
if opts.hvparams:
|
654 |
op.hvparams = opts.hvparams |
655 |
if opts.beparams:
|
656 |
op.beparams = opts.beparams |
657 |
return op
|
658 |
|
659 |
|
660 |
def _RebootInstance(name, opts): |
661 |
"""Reboot instance(s).
|
662 |
|
663 |
This returns the opcode to reboot an instance, and its decorator
|
664 |
will wrap this into a loop rebooting all desired instances.
|
665 |
|
666 |
@param name: the name of the instance to act on
|
667 |
@param opts: the command line options selected by the user
|
668 |
@return: the opcode needed for the operation
|
669 |
|
670 |
"""
|
671 |
return opcodes.OpInstanceReboot(instance_name=name,
|
672 |
reboot_type=opts.reboot_type, |
673 |
ignore_secondaries=opts.ignore_secondaries, |
674 |
shutdown_timeout=opts.shutdown_timeout) |
675 |
|
676 |
|
677 |
def _ShutdownInstance(name, opts): |
678 |
"""Shutdown an instance.
|
679 |
|
680 |
This returns the opcode to shutdown an instance, and its decorator
|
681 |
will wrap this into a loop shutting down all desired instances.
|
682 |
|
683 |
@param name: the name of the instance to act on
|
684 |
@param opts: the command line options selected by the user
|
685 |
@return: the opcode needed for the operation
|
686 |
|
687 |
"""
|
688 |
return opcodes.OpInstanceShutdown(instance_name=name,
|
689 |
timeout=opts.timeout, |
690 |
ignore_offline_nodes=opts.ignore_offline) |
691 |
|
692 |
|
693 |
def ReplaceDisks(opts, args): |
694 |
"""Replace the disks of an instance
|
695 |
|
696 |
@param opts: the command line options selected by the user
|
697 |
@type args: list
|
698 |
@param args: should contain only one element, the instance name
|
699 |
@rtype: int
|
700 |
@return: the desired exit code
|
701 |
|
702 |
"""
|
703 |
new_2ndary = opts.dst_node |
704 |
iallocator = opts.iallocator |
705 |
if opts.disks is None: |
706 |
disks = [] |
707 |
else:
|
708 |
try:
|
709 |
disks = [int(i) for i in opts.disks.split(",")] |
710 |
except (TypeError, ValueError), err: |
711 |
raise errors.OpPrereqError("Invalid disk index passed: %s" % str(err), |
712 |
errors.ECODE_INVAL) |
713 |
cnt = [opts.on_primary, opts.on_secondary, opts.auto, |
714 |
new_2ndary is not None, iallocator is not None].count(True) |
715 |
if cnt != 1: |
716 |
raise errors.OpPrereqError("One and only one of the -p, -s, -a, -n and -i" |
717 |
" options must be passed", errors.ECODE_INVAL)
|
718 |
elif opts.on_primary:
|
719 |
mode = constants.REPLACE_DISK_PRI |
720 |
elif opts.on_secondary:
|
721 |
mode = constants.REPLACE_DISK_SEC |
722 |
elif opts.auto:
|
723 |
mode = constants.REPLACE_DISK_AUTO |
724 |
if disks:
|
725 |
raise errors.OpPrereqError("Cannot specify disks when using automatic" |
726 |
" mode", errors.ECODE_INVAL)
|
727 |
elif new_2ndary is not None or iallocator is not None: |
728 |
# replace secondary
|
729 |
mode = constants.REPLACE_DISK_CHG |
730 |
|
731 |
op = opcodes.OpInstanceReplaceDisks(instance_name=args[0], disks=disks,
|
732 |
remote_node=new_2ndary, mode=mode, |
733 |
iallocator=iallocator, |
734 |
early_release=opts.early_release) |
735 |
SubmitOrSend(op, opts) |
736 |
return 0 |
737 |
|
738 |
|
739 |
def FailoverInstance(opts, args): |
740 |
"""Failover an instance.
|
741 |
|
742 |
The failover is done by shutting it down on its present node and
|
743 |
starting it on the secondary.
|
744 |
|
745 |
@param opts: the command line options selected by the user
|
746 |
@type args: list
|
747 |
@param args: should contain only one element, the instance name
|
748 |
@rtype: int
|
749 |
@return: the desired exit code
|
750 |
|
751 |
"""
|
752 |
cl = GetClient() |
753 |
instance_name = args[0]
|
754 |
force = opts.force |
755 |
|
756 |
if not force: |
757 |
_EnsureInstancesExist(cl, [instance_name]) |
758 |
|
759 |
usertext = ("Failover will happen to image %s."
|
760 |
" This requires a shutdown of the instance. Continue?" %
|
761 |
(instance_name,)) |
762 |
if not AskUser(usertext): |
763 |
return 1 |
764 |
|
765 |
op = opcodes.OpInstanceFailover(instance_name=instance_name, |
766 |
ignore_consistency=opts.ignore_consistency, |
767 |
shutdown_timeout=opts.shutdown_timeout) |
768 |
SubmitOrSend(op, opts, cl=cl) |
769 |
return 0 |
770 |
|
771 |
|
772 |
def MigrateInstance(opts, args): |
773 |
"""Migrate an instance.
|
774 |
|
775 |
The migrate is done without shutdown.
|
776 |
|
777 |
@param opts: the command line options selected by the user
|
778 |
@type args: list
|
779 |
@param args: should contain only one element, the instance name
|
780 |
@rtype: int
|
781 |
@return: the desired exit code
|
782 |
|
783 |
"""
|
784 |
cl = GetClient() |
785 |
instance_name = args[0]
|
786 |
force = opts.force |
787 |
|
788 |
if not force: |
789 |
_EnsureInstancesExist(cl, [instance_name]) |
790 |
|
791 |
if opts.cleanup:
|
792 |
usertext = ("Instance %s will be recovered from a failed migration."
|
793 |
" Note that the migration procedure (including cleanup)" %
|
794 |
(instance_name,)) |
795 |
else:
|
796 |
usertext = ("Instance %s will be migrated. Note that migration" %
|
797 |
(instance_name,)) |
798 |
usertext += (" might impact the instance if anything goes wrong"
|
799 |
" (e.g. due to bugs in the hypervisor). Continue?")
|
800 |
if not AskUser(usertext): |
801 |
return 1 |
802 |
|
803 |
# this should be removed once --non-live is deprecated
|
804 |
if not opts.live and opts.migration_mode is not None: |
805 |
raise errors.OpPrereqError("Only one of the --non-live and " |
806 |
"--migration-mode options can be passed",
|
807 |
errors.ECODE_INVAL) |
808 |
if not opts.live: # --non-live passed |
809 |
mode = constants.HT_MIGRATION_NONLIVE |
810 |
else:
|
811 |
mode = opts.migration_mode |
812 |
|
813 |
op = opcodes.OpInstanceMigrate(instance_name=instance_name, mode=mode, |
814 |
cleanup=opts.cleanup) |
815 |
SubmitOpCode(op, cl=cl, opts=opts) |
816 |
return 0 |
817 |
|
818 |
|
819 |
def MoveInstance(opts, args): |
820 |
"""Move an instance.
|
821 |
|
822 |
@param opts: the command line options selected by the user
|
823 |
@type args: list
|
824 |
@param args: should contain only one element, the instance name
|
825 |
@rtype: int
|
826 |
@return: the desired exit code
|
827 |
|
828 |
"""
|
829 |
cl = GetClient() |
830 |
instance_name = args[0]
|
831 |
force = opts.force |
832 |
|
833 |
if not force: |
834 |
usertext = ("Instance %s will be moved."
|
835 |
" This requires a shutdown of the instance. Continue?" %
|
836 |
(instance_name,)) |
837 |
if not AskUser(usertext): |
838 |
return 1 |
839 |
|
840 |
op = opcodes.OpInstanceMove(instance_name=instance_name, |
841 |
target_node=opts.node, |
842 |
shutdown_timeout=opts.shutdown_timeout) |
843 |
SubmitOrSend(op, opts, cl=cl) |
844 |
return 0 |
845 |
|
846 |
|
847 |
def ConnectToInstanceConsole(opts, args): |
848 |
"""Connect to the console of an instance.
|
849 |
|
850 |
@param opts: the command line options selected by the user
|
851 |
@type args: list
|
852 |
@param args: should contain only one element, the instance name
|
853 |
@rtype: int
|
854 |
@return: the desired exit code
|
855 |
|
856 |
"""
|
857 |
instance_name = args[0]
|
858 |
|
859 |
op = opcodes.OpInstanceConsole(instance_name=instance_name) |
860 |
|
861 |
cl = GetClient() |
862 |
try:
|
863 |
cluster_name = cl.QueryConfigValues(["cluster_name"])[0] |
864 |
console_data = SubmitOpCode(op, opts=opts, cl=cl) |
865 |
finally:
|
866 |
# Ensure client connection is closed while external commands are run
|
867 |
cl.Close() |
868 |
|
869 |
del cl
|
870 |
|
871 |
return _DoConsole(objects.InstanceConsole.FromDict(console_data),
|
872 |
opts.show_command, cluster_name) |
873 |
|
874 |
|
875 |
def _DoConsole(console, show_command, cluster_name, feedback_fn=ToStdout, |
876 |
_runcmd_fn=utils.RunCmd): |
877 |
"""Acts based on the result of L{opcodes.OpInstanceConsole}.
|
878 |
|
879 |
@type console: L{objects.InstanceConsole}
|
880 |
@param console: Console object
|
881 |
@type show_command: bool
|
882 |
@param show_command: Whether to just display commands
|
883 |
@type cluster_name: string
|
884 |
@param cluster_name: Cluster name as retrieved from master daemon
|
885 |
|
886 |
"""
|
887 |
assert console.Validate()
|
888 |
|
889 |
if console.kind == constants.CONS_MESSAGE:
|
890 |
feedback_fn(console.message) |
891 |
elif console.kind == constants.CONS_VNC:
|
892 |
feedback_fn("Instance %s has VNC listening on %s:%s (display %s),"
|
893 |
" URL <vnc://%s:%s/>",
|
894 |
console.instance, console.host, console.port, |
895 |
console.display, console.host, console.port) |
896 |
elif console.kind == constants.CONS_SSH:
|
897 |
# Convert to string if not already one
|
898 |
if isinstance(console.command, basestring): |
899 |
cmd = console.command |
900 |
else:
|
901 |
cmd = utils.ShellQuoteArgs(console.command) |
902 |
|
903 |
srun = ssh.SshRunner(cluster_name=cluster_name) |
904 |
ssh_cmd = srun.BuildCmd(console.host, console.user, cmd, |
905 |
batch=True, quiet=False, tty=True) |
906 |
|
907 |
if show_command:
|
908 |
feedback_fn(utils.ShellQuoteArgs(ssh_cmd)) |
909 |
else:
|
910 |
result = _runcmd_fn(ssh_cmd, interactive=True)
|
911 |
if result.failed:
|
912 |
logging.error("Console command \"%s\" failed with reason '%s' and"
|
913 |
" output %r", result.cmd, result.fail_reason,
|
914 |
result.output) |
915 |
raise errors.OpExecError("Connection to console of instance %s failed," |
916 |
" please check cluster configuration" %
|
917 |
console.instance) |
918 |
else:
|
919 |
raise errors.GenericError("Unknown console type '%s'" % console.kind) |
920 |
|
921 |
return constants.EXIT_SUCCESS
|
922 |
|
923 |
|
924 |
def _FormatLogicalID(dev_type, logical_id, roman): |
925 |
"""Formats the logical_id of a disk.
|
926 |
|
927 |
"""
|
928 |
if dev_type == constants.LD_DRBD8:
|
929 |
node_a, node_b, port, minor_a, minor_b, key = logical_id |
930 |
data = [ |
931 |
("nodeA", "%s, minor=%s" % (node_a, compat.TryToRoman(minor_a, |
932 |
convert=roman))), |
933 |
("nodeB", "%s, minor=%s" % (node_b, compat.TryToRoman(minor_b, |
934 |
convert=roman))), |
935 |
("port", compat.TryToRoman(port, convert=roman)),
|
936 |
("auth key", key),
|
937 |
] |
938 |
elif dev_type == constants.LD_LV:
|
939 |
vg_name, lv_name = logical_id |
940 |
data = ["%s/%s" % (vg_name, lv_name)]
|
941 |
else:
|
942 |
data = [str(logical_id)]
|
943 |
|
944 |
return data
|
945 |
|
946 |
|
947 |
def _FormatBlockDevInfo(idx, top_level, dev, static, roman): |
948 |
"""Show block device information.
|
949 |
|
950 |
This is only used by L{ShowInstanceConfig}, but it's too big to be
|
951 |
left for an inline definition.
|
952 |
|
953 |
@type idx: int
|
954 |
@param idx: the index of the current disk
|
955 |
@type top_level: boolean
|
956 |
@param top_level: if this a top-level disk?
|
957 |
@type dev: dict
|
958 |
@param dev: dictionary with disk information
|
959 |
@type static: boolean
|
960 |
@param static: wheter the device information doesn't contain
|
961 |
runtime information but only static data
|
962 |
@type roman: boolean
|
963 |
@param roman: whether to try to use roman integers
|
964 |
@return: a list of either strings, tuples or lists
|
965 |
(which should be formatted at a higher indent level)
|
966 |
|
967 |
"""
|
968 |
def helper(dtype, status): |
969 |
"""Format one line for physical device status.
|
970 |
|
971 |
@type dtype: str
|
972 |
@param dtype: a constant from the L{constants.LDS_BLOCK} set
|
973 |
@type status: tuple
|
974 |
@param status: a tuple as returned from L{backend.FindBlockDevice}
|
975 |
@return: the string representing the status
|
976 |
|
977 |
"""
|
978 |
if not status: |
979 |
return "not active" |
980 |
txt = ""
|
981 |
(path, major, minor, syncp, estt, degr, ldisk_status) = status |
982 |
if major is None: |
983 |
major_string = "N/A"
|
984 |
else:
|
985 |
major_string = str(compat.TryToRoman(major, convert=roman))
|
986 |
|
987 |
if minor is None: |
988 |
minor_string = "N/A"
|
989 |
else:
|
990 |
minor_string = str(compat.TryToRoman(minor, convert=roman))
|
991 |
|
992 |
txt += ("%s (%s:%s)" % (path, major_string, minor_string))
|
993 |
if dtype in (constants.LD_DRBD8, ): |
994 |
if syncp is not None: |
995 |
sync_text = "*RECOVERING* %5.2f%%," % syncp
|
996 |
if estt:
|
997 |
sync_text += " ETA %ss" % compat.TryToRoman(estt, convert=roman)
|
998 |
else:
|
999 |
sync_text += " ETA unknown"
|
1000 |
else:
|
1001 |
sync_text = "in sync"
|
1002 |
if degr:
|
1003 |
degr_text = "*DEGRADED*"
|
1004 |
else:
|
1005 |
degr_text = "ok"
|
1006 |
if ldisk_status == constants.LDS_FAULTY:
|
1007 |
ldisk_text = " *MISSING DISK*"
|
1008 |
elif ldisk_status == constants.LDS_UNKNOWN:
|
1009 |
ldisk_text = " *UNCERTAIN STATE*"
|
1010 |
else:
|
1011 |
ldisk_text = ""
|
1012 |
txt += (" %s, status %s%s" % (sync_text, degr_text, ldisk_text))
|
1013 |
elif dtype == constants.LD_LV:
|
1014 |
if ldisk_status == constants.LDS_FAULTY:
|
1015 |
ldisk_text = " *FAILED* (failed drive?)"
|
1016 |
else:
|
1017 |
ldisk_text = ""
|
1018 |
txt += ldisk_text |
1019 |
return txt
|
1020 |
|
1021 |
# the header
|
1022 |
if top_level:
|
1023 |
if dev["iv_name"] is not None: |
1024 |
txt = dev["iv_name"]
|
1025 |
else:
|
1026 |
txt = "disk %s" % compat.TryToRoman(idx, convert=roman)
|
1027 |
else:
|
1028 |
txt = "child %s" % compat.TryToRoman(idx, convert=roman)
|
1029 |
if isinstance(dev["size"], int): |
1030 |
nice_size = utils.FormatUnit(dev["size"], "h") |
1031 |
else:
|
1032 |
nice_size = dev["size"]
|
1033 |
d1 = ["- %s: %s, size %s" % (txt, dev["dev_type"], nice_size)] |
1034 |
data = [] |
1035 |
if top_level:
|
1036 |
data.append(("access mode", dev["mode"])) |
1037 |
if dev["logical_id"] is not None: |
1038 |
try:
|
1039 |
l_id = _FormatLogicalID(dev["dev_type"], dev["logical_id"], roman) |
1040 |
except ValueError: |
1041 |
l_id = [str(dev["logical_id"])] |
1042 |
if len(l_id) == 1: |
1043 |
data.append(("logical_id", l_id[0])) |
1044 |
else:
|
1045 |
data.extend(l_id) |
1046 |
elif dev["physical_id"] is not None: |
1047 |
data.append("physical_id:")
|
1048 |
data.append([dev["physical_id"]])
|
1049 |
if not static: |
1050 |
data.append(("on primary", helper(dev["dev_type"], dev["pstatus"]))) |
1051 |
if dev["sstatus"] and not static: |
1052 |
data.append(("on secondary", helper(dev["dev_type"], dev["sstatus"]))) |
1053 |
|
1054 |
if dev["children"]: |
1055 |
data.append("child devices:")
|
1056 |
for c_idx, child in enumerate(dev["children"]): |
1057 |
data.append(_FormatBlockDevInfo(c_idx, False, child, static, roman))
|
1058 |
d1.append(data) |
1059 |
return d1
|
1060 |
|
1061 |
|
1062 |
def _FormatList(buf, data, indent_level): |
1063 |
"""Formats a list of data at a given indent level.
|
1064 |
|
1065 |
If the element of the list is:
|
1066 |
- a string, it is simply formatted as is
|
1067 |
- a tuple, it will be split into key, value and the all the
|
1068 |
values in a list will be aligned all at the same start column
|
1069 |
- a list, will be recursively formatted
|
1070 |
|
1071 |
@type buf: StringIO
|
1072 |
@param buf: the buffer into which we write the output
|
1073 |
@param data: the list to format
|
1074 |
@type indent_level: int
|
1075 |
@param indent_level: the indent level to format at
|
1076 |
|
1077 |
"""
|
1078 |
max_tlen = max([len(elem[0]) for elem in data |
1079 |
if isinstance(elem, tuple)] or [0]) |
1080 |
for elem in data: |
1081 |
if isinstance(elem, basestring): |
1082 |
buf.write("%*s%s\n" % (2*indent_level, "", elem)) |
1083 |
elif isinstance(elem, tuple): |
1084 |
key, value = elem |
1085 |
spacer = "%*s" % (max_tlen - len(key), "") |
1086 |
buf.write("%*s%s:%s %s\n" % (2*indent_level, "", key, spacer, value)) |
1087 |
elif isinstance(elem, list): |
1088 |
_FormatList(buf, elem, indent_level+1)
|
1089 |
|
1090 |
|
1091 |
def ShowInstanceConfig(opts, args): |
1092 |
"""Compute instance run-time status.
|
1093 |
|
1094 |
@param opts: the command line options selected by the user
|
1095 |
@type args: list
|
1096 |
@param args: either an empty list, and then we query all
|
1097 |
instances, or should contain a list of instance names
|
1098 |
@rtype: int
|
1099 |
@return: the desired exit code
|
1100 |
|
1101 |
"""
|
1102 |
if not args and not opts.show_all: |
1103 |
ToStderr("No instance selected."
|
1104 |
" Please pass in --all if you want to query all instances.\n"
|
1105 |
"Note that this can take a long time on a big cluster.")
|
1106 |
return 1 |
1107 |
elif args and opts.show_all: |
1108 |
ToStderr("Cannot use --all if you specify instance names.")
|
1109 |
return 1 |
1110 |
|
1111 |
retcode = 0
|
1112 |
op = opcodes.OpInstanceQueryData(instances=args, static=opts.static) |
1113 |
result = SubmitOpCode(op, opts=opts) |
1114 |
if not result: |
1115 |
ToStdout("No instances.")
|
1116 |
return 1 |
1117 |
|
1118 |
buf = StringIO() |
1119 |
retcode = 0
|
1120 |
for instance_name in result: |
1121 |
instance = result[instance_name] |
1122 |
buf.write("Instance name: %s\n" % instance["name"]) |
1123 |
buf.write("UUID: %s\n" % instance["uuid"]) |
1124 |
buf.write("Serial number: %s\n" %
|
1125 |
compat.TryToRoman(instance["serial_no"],
|
1126 |
convert=opts.roman_integers)) |
1127 |
buf.write("Creation time: %s\n" % utils.FormatTime(instance["ctime"])) |
1128 |
buf.write("Modification time: %s\n" % utils.FormatTime(instance["mtime"])) |
1129 |
buf.write("State: configured to be %s" % instance["config_state"]) |
1130 |
if not opts.static: |
1131 |
buf.write(", actual state is %s" % instance["run_state"]) |
1132 |
buf.write("\n")
|
1133 |
##buf.write("Considered for memory checks in cluster verify: %s\n" %
|
1134 |
## instance["auto_balance"])
|
1135 |
buf.write(" Nodes:\n")
|
1136 |
buf.write(" - primary: %s\n" % instance["pnode"]) |
1137 |
buf.write(" - secondaries: %s\n" % utils.CommaJoin(instance["snodes"])) |
1138 |
buf.write(" Operating system: %s\n" % instance["os"]) |
1139 |
FormatParameterDict(buf, instance["os_instance"], instance["os_actual"], |
1140 |
level=2)
|
1141 |
if instance.has_key("network_port"): |
1142 |
buf.write(" Allocated network port: %s\n" %
|
1143 |
compat.TryToRoman(instance["network_port"],
|
1144 |
convert=opts.roman_integers)) |
1145 |
buf.write(" Hypervisor: %s\n" % instance["hypervisor"]) |
1146 |
|
1147 |
# custom VNC console information
|
1148 |
vnc_bind_address = instance["hv_actual"].get(constants.HV_VNC_BIND_ADDRESS,
|
1149 |
None)
|
1150 |
if vnc_bind_address:
|
1151 |
port = instance["network_port"]
|
1152 |
display = int(port) - constants.VNC_BASE_PORT
|
1153 |
if display > 0 and vnc_bind_address == constants.IP4_ADDRESS_ANY: |
1154 |
vnc_console_port = "%s:%s (display %s)" % (instance["pnode"], |
1155 |
port, |
1156 |
display) |
1157 |
elif display > 0 and netutils.IP4Address.IsValid(vnc_bind_address): |
1158 |
vnc_console_port = ("%s:%s (node %s) (display %s)" %
|
1159 |
(vnc_bind_address, port, |
1160 |
instance["pnode"], display))
|
1161 |
else:
|
1162 |
# vnc bind address is a file
|
1163 |
vnc_console_port = "%s:%s" % (instance["pnode"], |
1164 |
vnc_bind_address) |
1165 |
buf.write(" - console connection: vnc to %s\n" % vnc_console_port)
|
1166 |
|
1167 |
FormatParameterDict(buf, instance["hv_instance"], instance["hv_actual"], |
1168 |
level=2)
|
1169 |
buf.write(" Hardware:\n")
|
1170 |
buf.write(" - VCPUs: %s\n" %
|
1171 |
compat.TryToRoman(instance["be_actual"][constants.BE_VCPUS],
|
1172 |
convert=opts.roman_integers)) |
1173 |
buf.write(" - memory: %sMiB\n" %
|
1174 |
compat.TryToRoman(instance["be_actual"][constants.BE_MEMORY],
|
1175 |
convert=opts.roman_integers)) |
1176 |
buf.write(" - NICs:\n")
|
1177 |
for idx, (ip, mac, mode, link) in enumerate(instance["nics"]): |
1178 |
buf.write(" - nic/%d: MAC: %s, IP: %s, mode: %s, link: %s\n" %
|
1179 |
(idx, mac, ip, mode, link)) |
1180 |
buf.write(" Disk template: %s\n" % instance["disk_template"]) |
1181 |
buf.write(" Disks:\n")
|
1182 |
|
1183 |
for idx, device in enumerate(instance["disks"]): |
1184 |
_FormatList(buf, _FormatBlockDevInfo(idx, True, device, opts.static,
|
1185 |
opts.roman_integers), 2)
|
1186 |
|
1187 |
ToStdout(buf.getvalue().rstrip('\n'))
|
1188 |
return retcode
|
1189 |
|
1190 |
|
1191 |
def SetInstanceParams(opts, args): |
1192 |
"""Modifies an instance.
|
1193 |
|
1194 |
All parameters take effect only at the next restart of the instance.
|
1195 |
|
1196 |
@param opts: the command line options selected by the user
|
1197 |
@type args: list
|
1198 |
@param args: should contain only one element, the instance name
|
1199 |
@rtype: int
|
1200 |
@return: the desired exit code
|
1201 |
|
1202 |
"""
|
1203 |
if not (opts.nics or opts.disks or opts.disk_template or |
1204 |
opts.hvparams or opts.beparams or opts.os or opts.osparams): |
1205 |
ToStderr("Please give at least one of the parameters.")
|
1206 |
return 1 |
1207 |
|
1208 |
for param in opts.beparams: |
1209 |
if isinstance(opts.beparams[param], basestring): |
1210 |
if opts.beparams[param].lower() == "default": |
1211 |
opts.beparams[param] = constants.VALUE_DEFAULT |
1212 |
|
1213 |
utils.ForceDictType(opts.beparams, constants.BES_PARAMETER_TYPES, |
1214 |
allowed_values=[constants.VALUE_DEFAULT]) |
1215 |
|
1216 |
for param in opts.hvparams: |
1217 |
if isinstance(opts.hvparams[param], basestring): |
1218 |
if opts.hvparams[param].lower() == "default": |
1219 |
opts.hvparams[param] = constants.VALUE_DEFAULT |
1220 |
|
1221 |
utils.ForceDictType(opts.hvparams, constants.HVS_PARAMETER_TYPES, |
1222 |
allowed_values=[constants.VALUE_DEFAULT]) |
1223 |
|
1224 |
for idx, (nic_op, nic_dict) in enumerate(opts.nics): |
1225 |
try:
|
1226 |
nic_op = int(nic_op)
|
1227 |
opts.nics[idx] = (nic_op, nic_dict) |
1228 |
except (TypeError, ValueError): |
1229 |
pass
|
1230 |
|
1231 |
for idx, (disk_op, disk_dict) in enumerate(opts.disks): |
1232 |
try:
|
1233 |
disk_op = int(disk_op)
|
1234 |
opts.disks[idx] = (disk_op, disk_dict) |
1235 |
except (TypeError, ValueError): |
1236 |
pass
|
1237 |
if disk_op == constants.DDM_ADD:
|
1238 |
if 'size' not in disk_dict: |
1239 |
raise errors.OpPrereqError("Missing required parameter 'size'", |
1240 |
errors.ECODE_INVAL) |
1241 |
disk_dict['size'] = utils.ParseUnit(disk_dict['size']) |
1242 |
|
1243 |
if (opts.disk_template and |
1244 |
opts.disk_template in constants.DTS_NET_MIRROR and |
1245 |
not opts.node):
|
1246 |
ToStderr("Changing the disk template to a mirrored one requires"
|
1247 |
" specifying a secondary node")
|
1248 |
return 1 |
1249 |
|
1250 |
op = opcodes.OpInstanceSetParams(instance_name=args[0],
|
1251 |
nics=opts.nics, |
1252 |
disks=opts.disks, |
1253 |
disk_template=opts.disk_template, |
1254 |
remote_node=opts.node, |
1255 |
hvparams=opts.hvparams, |
1256 |
beparams=opts.beparams, |
1257 |
os_name=opts.os, |
1258 |
osparams=opts.osparams, |
1259 |
force_variant=opts.force_variant, |
1260 |
force=opts.force) |
1261 |
|
1262 |
# even if here we process the result, we allow submit only
|
1263 |
result = SubmitOrSend(op, opts) |
1264 |
|
1265 |
if result:
|
1266 |
ToStdout("Modified instance %s", args[0]) |
1267 |
for param, data in result: |
1268 |
ToStdout(" - %-5s -> %s", param, data)
|
1269 |
ToStdout("Please don't forget that most parameters take effect"
|
1270 |
" only at the next start of the instance.")
|
1271 |
return 0 |
1272 |
|
1273 |
|
1274 |
# multi-instance selection options
|
1275 |
m_force_multi = cli_option("--force-multiple", dest="force_multi", |
1276 |
help="Do not ask for confirmation when more than"
|
1277 |
" one instance is affected",
|
1278 |
action="store_true", default=False) |
1279 |
|
1280 |
m_pri_node_opt = cli_option("--primary", dest="multi_mode", |
1281 |
help="Filter by nodes (primary only)",
|
1282 |
const=_SHUTDOWN_NODES_PRI, action="store_const")
|
1283 |
|
1284 |
m_sec_node_opt = cli_option("--secondary", dest="multi_mode", |
1285 |
help="Filter by nodes (secondary only)",
|
1286 |
const=_SHUTDOWN_NODES_SEC, action="store_const")
|
1287 |
|
1288 |
m_node_opt = cli_option("--node", dest="multi_mode", |
1289 |
help="Filter by nodes (primary and secondary)",
|
1290 |
const=_SHUTDOWN_NODES_BOTH, action="store_const")
|
1291 |
|
1292 |
m_clust_opt = cli_option("--all", dest="multi_mode", |
1293 |
help="Select all instances in the cluster",
|
1294 |
const=_SHUTDOWN_CLUSTER, action="store_const")
|
1295 |
|
1296 |
m_inst_opt = cli_option("--instance", dest="multi_mode", |
1297 |
help="Filter by instance name [default]",
|
1298 |
const=_SHUTDOWN_INSTANCES, action="store_const")
|
1299 |
|
1300 |
m_node_tags_opt = cli_option("--node-tags", dest="multi_mode", |
1301 |
help="Filter by node tag",
|
1302 |
const=_SHUTDOWN_NODES_BOTH_BY_TAGS, |
1303 |
action="store_const")
|
1304 |
|
1305 |
m_pri_node_tags_opt = cli_option("--pri-node-tags", dest="multi_mode", |
1306 |
help="Filter by primary node tag",
|
1307 |
const=_SHUTDOWN_NODES_PRI_BY_TAGS, |
1308 |
action="store_const")
|
1309 |
|
1310 |
m_sec_node_tags_opt = cli_option("--sec-node-tags", dest="multi_mode", |
1311 |
help="Filter by secondary node tag",
|
1312 |
const=_SHUTDOWN_NODES_SEC_BY_TAGS, |
1313 |
action="store_const")
|
1314 |
|
1315 |
m_inst_tags_opt = cli_option("--tags", dest="multi_mode", |
1316 |
help="Filter by instance tag",
|
1317 |
const=_SHUTDOWN_INSTANCES_BY_TAGS, |
1318 |
action="store_const")
|
1319 |
|
1320 |
# this is defined separately due to readability only
|
1321 |
add_opts = [ |
1322 |
NOSTART_OPT, |
1323 |
OS_OPT, |
1324 |
FORCE_VARIANT_OPT, |
1325 |
NO_INSTALL_OPT, |
1326 |
] |
1327 |
|
1328 |
commands = { |
1329 |
'add': (
|
1330 |
AddInstance, [ArgHost(min=1, max=1)], COMMON_CREATE_OPTS + add_opts, |
1331 |
"[...] -t disk-type -n node[:secondary-node] -o os-type <name>",
|
1332 |
"Creates and adds a new instance to the cluster"),
|
1333 |
'batch-create': (
|
1334 |
BatchCreate, [ArgFile(min=1, max=1)], [DRY_RUN_OPT, PRIORITY_OPT], |
1335 |
"<instances.json>",
|
1336 |
"Create a bunch of instances based on specs in the file."),
|
1337 |
'console': (
|
1338 |
ConnectToInstanceConsole, ARGS_ONE_INSTANCE, |
1339 |
[SHOWCMD_OPT, PRIORITY_OPT], |
1340 |
"[--show-cmd] <instance>", "Opens a console on the specified instance"), |
1341 |
'failover': (
|
1342 |
FailoverInstance, ARGS_ONE_INSTANCE, |
1343 |
[FORCE_OPT, IGNORE_CONSIST_OPT, SUBMIT_OPT, SHUTDOWN_TIMEOUT_OPT, |
1344 |
DRY_RUN_OPT, PRIORITY_OPT], |
1345 |
"[-f] <instance>", "Stops the instance and starts it on the backup node," |
1346 |
" using the remote mirror (only for instances of type drbd)"),
|
1347 |
'migrate': (
|
1348 |
MigrateInstance, ARGS_ONE_INSTANCE, |
1349 |
[FORCE_OPT, NONLIVE_OPT, MIGRATION_MODE_OPT, CLEANUP_OPT, DRY_RUN_OPT, |
1350 |
PRIORITY_OPT], |
1351 |
"[-f] <instance>", "Migrate instance to its secondary node" |
1352 |
" (only for instances of type drbd)"),
|
1353 |
'move': (
|
1354 |
MoveInstance, ARGS_ONE_INSTANCE, |
1355 |
[FORCE_OPT, SUBMIT_OPT, SINGLE_NODE_OPT, SHUTDOWN_TIMEOUT_OPT, |
1356 |
DRY_RUN_OPT, PRIORITY_OPT], |
1357 |
"[-f] <instance>", "Move instance to an arbitrary node" |
1358 |
" (only for instances of type file and lv)"),
|
1359 |
'info': (
|
1360 |
ShowInstanceConfig, ARGS_MANY_INSTANCES, |
1361 |
[STATIC_OPT, ALL_OPT, ROMAN_OPT, PRIORITY_OPT], |
1362 |
"[-s] {--all | <instance>...}",
|
1363 |
"Show information on the specified instance(s)"),
|
1364 |
'list': (
|
1365 |
ListInstances, ARGS_MANY_INSTANCES, |
1366 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], |
1367 |
"[<instance>...]",
|
1368 |
"Lists the instances and their status. The available fields can be shown"
|
1369 |
" using the \"list-fields\" command (see the man page for details)."
|
1370 |
" The default field list is (in order): %s." %
|
1371 |
utils.CommaJoin(_LIST_DEF_FIELDS), |
1372 |
), |
1373 |
"list-fields": (
|
1374 |
ListInstanceFields, [ArgUnknown()], |
1375 |
[NOHDR_OPT, SEP_OPT], |
1376 |
"[fields...]",
|
1377 |
"Lists all available fields for instances"),
|
1378 |
'reinstall': (
|
1379 |
ReinstallInstance, [ArgInstance()], |
1380 |
[FORCE_OPT, OS_OPT, FORCE_VARIANT_OPT, m_force_multi, m_node_opt, |
1381 |
m_pri_node_opt, m_sec_node_opt, m_clust_opt, m_inst_opt, m_node_tags_opt, |
1382 |
m_pri_node_tags_opt, m_sec_node_tags_opt, m_inst_tags_opt, SELECT_OS_OPT, |
1383 |
SUBMIT_OPT, DRY_RUN_OPT, PRIORITY_OPT, OSPARAMS_OPT], |
1384 |
"[-f] <instance>", "Reinstall a stopped instance"), |
1385 |
'remove': (
|
1386 |
RemoveInstance, ARGS_ONE_INSTANCE, |
1387 |
[FORCE_OPT, SHUTDOWN_TIMEOUT_OPT, IGNORE_FAILURES_OPT, SUBMIT_OPT, |
1388 |
DRY_RUN_OPT, PRIORITY_OPT], |
1389 |
"[-f] <instance>", "Shuts down the instance and removes it"), |
1390 |
'rename': (
|
1391 |
RenameInstance, |
1392 |
[ArgInstance(min=1, max=1), ArgHost(min=1, max=1)], |
1393 |
[NOIPCHECK_OPT, NONAMECHECK_OPT, SUBMIT_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
1394 |
"<instance> <new_name>", "Rename the instance"), |
1395 |
'replace-disks': (
|
1396 |
ReplaceDisks, ARGS_ONE_INSTANCE, |
1397 |
[AUTO_REPLACE_OPT, DISKIDX_OPT, IALLOCATOR_OPT, EARLY_RELEASE_OPT, |
1398 |
NEW_SECONDARY_OPT, ON_PRIMARY_OPT, ON_SECONDARY_OPT, SUBMIT_OPT, |
1399 |
DRY_RUN_OPT, PRIORITY_OPT], |
1400 |
"[-s|-p|-n NODE|-I NAME] <instance>",
|
1401 |
"Replaces all disks for the instance"),
|
1402 |
'modify': (
|
1403 |
SetInstanceParams, ARGS_ONE_INSTANCE, |
1404 |
[BACKEND_OPT, DISK_OPT, FORCE_OPT, HVOPTS_OPT, NET_OPT, SUBMIT_OPT, |
1405 |
DISK_TEMPLATE_OPT, SINGLE_NODE_OPT, OS_OPT, FORCE_VARIANT_OPT, |
1406 |
OSPARAMS_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
1407 |
"<instance>", "Alters the parameters of an instance"), |
1408 |
'shutdown': (
|
1409 |
GenericManyOps("shutdown", _ShutdownInstance), [ArgInstance()],
|
1410 |
[m_node_opt, m_pri_node_opt, m_sec_node_opt, m_clust_opt, |
1411 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1412 |
m_inst_tags_opt, m_inst_opt, m_force_multi, TIMEOUT_OPT, SUBMIT_OPT, |
1413 |
DRY_RUN_OPT, PRIORITY_OPT, IGNORE_OFFLINE_OPT], |
1414 |
"<instance>", "Stops an instance"), |
1415 |
'startup': (
|
1416 |
GenericManyOps("startup", _StartupInstance), [ArgInstance()],
|
1417 |
[FORCE_OPT, m_force_multi, m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1418 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1419 |
m_inst_tags_opt, m_clust_opt, m_inst_opt, SUBMIT_OPT, HVOPTS_OPT, |
1420 |
BACKEND_OPT, DRY_RUN_OPT, PRIORITY_OPT, IGNORE_OFFLINE_OPT], |
1421 |
"<instance>", "Starts an instance"), |
1422 |
'reboot': (
|
1423 |
GenericManyOps("reboot", _RebootInstance), [ArgInstance()],
|
1424 |
[m_force_multi, REBOOT_TYPE_OPT, IGNORE_SECONDARIES_OPT, m_node_opt, |
1425 |
m_pri_node_opt, m_sec_node_opt, m_clust_opt, m_inst_opt, SUBMIT_OPT, |
1426 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1427 |
m_inst_tags_opt, SHUTDOWN_TIMEOUT_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
1428 |
"<instance>", "Reboots an instance"), |
1429 |
'activate-disks': (
|
1430 |
ActivateDisks, ARGS_ONE_INSTANCE, |
1431 |
[SUBMIT_OPT, IGNORE_SIZE_OPT, PRIORITY_OPT], |
1432 |
"<instance>", "Activate an instance's disks"), |
1433 |
'deactivate-disks': (
|
1434 |
DeactivateDisks, ARGS_ONE_INSTANCE, |
1435 |
[FORCE_OPT, SUBMIT_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
1436 |
"[-f] <instance>", "Deactivate an instance's disks"), |
1437 |
'recreate-disks': (
|
1438 |
RecreateDisks, ARGS_ONE_INSTANCE, |
1439 |
[SUBMIT_OPT, DISKIDX_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
1440 |
"<instance>", "Recreate an instance's disks"), |
1441 |
'grow-disk': (
|
1442 |
GrowDisk, |
1443 |
[ArgInstance(min=1, max=1), ArgUnknown(min=1, max=1), |
1444 |
ArgUnknown(min=1, max=1)], |
1445 |
[SUBMIT_OPT, NWSYNC_OPT, DRY_RUN_OPT, PRIORITY_OPT], |
1446 |
"<instance> <disk> <size>", "Grow an instance's disk"), |
1447 |
'list-tags': (
|
1448 |
ListTags, ARGS_ONE_INSTANCE, [PRIORITY_OPT], |
1449 |
"<instance_name>", "List the tags of the given instance"), |
1450 |
'add-tags': (
|
1451 |
AddTags, [ArgInstance(min=1, max=1), ArgUnknown()], |
1452 |
[TAG_SRC_OPT, PRIORITY_OPT], |
1453 |
"<instance_name> tag...", "Add tags to the given instance"), |
1454 |
'remove-tags': (
|
1455 |
RemoveTags, [ArgInstance(min=1, max=1), ArgUnknown()], |
1456 |
[TAG_SRC_OPT, PRIORITY_OPT], |
1457 |
"<instance_name> tag...", "Remove tags from given instance"), |
1458 |
} |
1459 |
|
1460 |
#: dictionary with aliases for commands
|
1461 |
aliases = { |
1462 |
'start': 'startup', |
1463 |
'stop': 'shutdown', |
1464 |
} |
1465 |
|
1466 |
|
1467 |
def Main(): |
1468 |
return GenericMain(commands, aliases=aliases,
|
1469 |
override={"tag_type": constants.TAG_INSTANCE})
|