root / scripts / gnt-instance @ 00430f8e
History | View | Annotate | Download (47.2 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 |
import os |
28 |
import itertools |
29 |
import simplejson |
30 |
from optparse import make_option |
31 |
from cStringIO import StringIO |
32 |
|
33 |
from ganeti.cli import * |
34 |
from ganeti import cli |
35 |
from ganeti import opcodes |
36 |
from ganeti import constants |
37 |
from ganeti import utils |
38 |
from ganeti import errors |
39 |
|
40 |
|
41 |
_SHUTDOWN_CLUSTER = "cluster" |
42 |
_SHUTDOWN_NODES_BOTH = "nodes" |
43 |
_SHUTDOWN_NODES_PRI = "nodes-pri" |
44 |
_SHUTDOWN_NODES_SEC = "nodes-sec" |
45 |
_SHUTDOWN_INSTANCES = "instances" |
46 |
|
47 |
|
48 |
_VALUE_TRUE = "true" |
49 |
|
50 |
#: default list of options for L{ListInstances} |
51 |
_LIST_DEF_FIELDS = [ |
52 |
"name", "hypervisor", "os", "pnode", "status", "oper_ram", |
53 |
] |
54 |
|
55 |
|
56 |
def _ExpandMultiNames(mode, names): |
57 |
"""Expand the given names using the passed mode. |
58 |
|
59 |
For _SHUTDOWN_CLUSTER, all instances will be returned. For |
60 |
_SHUTDOWN_NODES_PRI/SEC, all instances having those nodes as |
61 |
primary/secondary will be returned. For _SHUTDOWN_NODES_BOTH, all |
62 |
instances having those nodes as either primary or secondary will be |
63 |
returned. For _SHUTDOWN_INSTANCES, the given instances will be |
64 |
returned. |
65 |
|
66 |
@param mode: one of L{_SHUTDOWN_CLUSTER}, L{_SHUTDOWN_NODES_BOTH}, |
67 |
L{_SHUTDOWN_NODES_PRI}, L{_SHUTDOWN_NODES_SEC} or |
68 |
L{_SHUTDOWN_INSTANCES} |
69 |
@param names: a list of names; for cluster, it must be empty, |
70 |
and for node and instance it must be a list of valid item |
71 |
names (short names are valid as usual, e.g. node1 instead of |
72 |
node1.example.com) |
73 |
@rtype: list |
74 |
@return: the list of names after the expansion |
75 |
@raise errors.ProgrammerError: for unknown selection type |
76 |
@raise errors.OpPrereqError: for invalid input parameters |
77 |
|
78 |
""" |
79 |
if mode == _SHUTDOWN_CLUSTER: |
80 |
if names: |
81 |
raise errors.OpPrereqError("Cluster filter mode takes no arguments") |
82 |
client = GetClient() |
83 |
idata = client.QueryInstances([], ["name"]) |
84 |
inames = [row[0] for row in idata] |
85 |
|
86 |
elif mode in (_SHUTDOWN_NODES_BOTH, |
87 |
_SHUTDOWN_NODES_PRI, |
88 |
_SHUTDOWN_NODES_SEC): |
89 |
if not names: |
90 |
raise errors.OpPrereqError("No node names passed") |
91 |
client = GetClient() |
92 |
ndata = client.QueryNodes(names, ["name", "pinst_list", "sinst_list"]) |
93 |
ipri = [row[1] for row in ndata] |
94 |
pri_names = list(itertools.chain(*ipri)) |
95 |
isec = [row[2] for row in ndata] |
96 |
sec_names = list(itertools.chain(*isec)) |
97 |
if mode == _SHUTDOWN_NODES_BOTH: |
98 |
inames = pri_names + sec_names |
99 |
elif mode == _SHUTDOWN_NODES_PRI: |
100 |
inames = pri_names |
101 |
elif mode == _SHUTDOWN_NODES_SEC: |
102 |
inames = sec_names |
103 |
else: |
104 |
raise errors.ProgrammerError("Unhandled shutdown type") |
105 |
|
106 |
elif mode == _SHUTDOWN_INSTANCES: |
107 |
if not names: |
108 |
raise errors.OpPrereqError("No instance names passed") |
109 |
client = GetClient() |
110 |
idata = client.QueryInstances(names, ["name"]) |
111 |
inames = [row[0] for row in idata] |
112 |
|
113 |
else: |
114 |
raise errors.OpPrereqError("Unknown mode '%s'" % mode) |
115 |
|
116 |
return inames |
117 |
|
118 |
|
119 |
def _ConfirmOperation(inames, text): |
120 |
"""Ask the user to confirm an operation on a list of instances. |
121 |
|
122 |
This function is used to request confirmation for doing an operation |
123 |
on a given list of instances. |
124 |
|
125 |
@type inames: list |
126 |
@param inames: the list of names that we display when |
127 |
we ask for confirmation |
128 |
@type text: str |
129 |
@param text: the operation that the user should confirm |
130 |
(e.g. I{shutdown} or I{startup}) |
131 |
@rtype: boolean |
132 |
@return: True or False depending on user's confirmation. |
133 |
|
134 |
""" |
135 |
count = len(inames) |
136 |
msg = ("The %s will operate on %d instances.\n" |
137 |
"Do you want to continue?" % (text, count)) |
138 |
affected = ("\nAffected instances:\n" + |
139 |
"\n".join([" %s" % name for name in inames])) |
140 |
|
141 |
choices = [('y', True, 'Yes, execute the %s' % text), |
142 |
('n', False, 'No, abort the %s' % text)] |
143 |
|
144 |
if count > 20: |
145 |
choices.insert(1, ('v', 'v', 'View the list of affected instances')) |
146 |
ask = msg |
147 |
else: |
148 |
ask = msg + affected |
149 |
|
150 |
choice = AskUser(ask, choices) |
151 |
if choice == 'v': |
152 |
choices.pop(1) |
153 |
choice = AskUser(msg + affected, choices) |
154 |
return choice |
155 |
|
156 |
|
157 |
def _TransformPath(user_input): |
158 |
"""Transform a user path into a canonical value. |
159 |
|
160 |
This function transforms the a path passed as textual information |
161 |
into the constants that the LU code expects. |
162 |
|
163 |
""" |
164 |
if user_input: |
165 |
if user_input.lower() == "default": |
166 |
result_path = constants.VALUE_DEFAULT |
167 |
elif user_input.lower() == "none": |
168 |
result_path = constants.VALUE_NONE |
169 |
else: |
170 |
if not os.path.isabs(user_input): |
171 |
raise errors.OpPrereqError("Path '%s' is not an absolute filename" % |
172 |
user_input) |
173 |
result_path = user_input |
174 |
else: |
175 |
result_path = constants.VALUE_DEFAULT |
176 |
|
177 |
return result_path |
178 |
|
179 |
|
180 |
def ListInstances(opts, args): |
181 |
"""List instances and their properties. |
182 |
|
183 |
@param opts: the command line options selected by the user |
184 |
@type args: list |
185 |
@param args: should be an empty list |
186 |
@rtype: int |
187 |
@return: the desired exit code |
188 |
|
189 |
""" |
190 |
if opts.output is None: |
191 |
selected_fields = _LIST_DEF_FIELDS |
192 |
elif opts.output.startswith("+"): |
193 |
selected_fields = _LIST_DEF_FIELDS + opts.output[1:].split(",") |
194 |
else: |
195 |
selected_fields = opts.output.split(",") |
196 |
|
197 |
output = GetClient().QueryInstances([], selected_fields) |
198 |
|
199 |
if not opts.no_headers: |
200 |
headers = { |
201 |
"name": "Instance", "os": "OS", "pnode": "Primary_node", |
202 |
"snodes": "Secondary_Nodes", "admin_state": "Autostart", |
203 |
"oper_state": "Running", |
204 |
"oper_ram": "Memory", "disk_template": "Disk_template", |
205 |
"ip": "IP_address", "mac": "MAC_address", |
206 |
"bridge": "Bridge", |
207 |
"sda_size": "Disk/0", "sdb_size": "Disk/1", |
208 |
"status": "Status", "tags": "Tags", |
209 |
"network_port": "Network_port", |
210 |
"hv/kernel_path": "Kernel_path", |
211 |
"hv/initrd_path": "Initrd_path", |
212 |
"hv/boot_order": "HVM_boot_order", |
213 |
"hv/acpi": "HVM_ACPI", |
214 |
"hv/pae": "HVM_PAE", |
215 |
"hv/cdrom_image_path": "HVM_CDROM_image_path", |
216 |
"hv/nic_type": "HVM_NIC_type", |
217 |
"hv/disk_type": "HVM_Disk_type", |
218 |
"hv/vnc_bind_address": "VNC_bind_address", |
219 |
"serial_no": "SerialNo", "hypervisor": "Hypervisor", |
220 |
"hvparams": "Hypervisor_parameters", |
221 |
"be/memory": "Configured_memory", |
222 |
"be/vcpus": "VCPUs", |
223 |
"be/auto_balance": "Auto_balance", |
224 |
"disk.count": "Disks", |
225 |
"nic.count": "NICs", |
226 |
} |
227 |
else: |
228 |
headers = None |
229 |
|
230 |
if opts.human_readable: |
231 |
unitfields = ["be/memory", "oper_ram", "sd(a|b)_size", "disk.size/.*"] |
232 |
else: |
233 |
unitfields = None |
234 |
|
235 |
numfields = ["be/memory", "oper_ram", "sd(a|b)_size", "be/vcpus", |
236 |
"serial_no", "(disk|nic).count", "disk.size/.*"] |
237 |
|
238 |
list_type_fields = ("tags",) |
239 |
# change raw values to nicer strings |
240 |
for row in output: |
241 |
for idx, field in enumerate(selected_fields): |
242 |
val = row[idx] |
243 |
if field == "snodes": |
244 |
val = ",".join(val) or "-" |
245 |
elif field == "admin_state": |
246 |
if val: |
247 |
val = "yes" |
248 |
else: |
249 |
val = "no" |
250 |
elif field == "oper_state": |
251 |
if val is None: |
252 |
val = "(node down)" |
253 |
elif val: # True |
254 |
val = "running" |
255 |
else: |
256 |
val = "stopped" |
257 |
elif field == "oper_ram": |
258 |
if val is None: |
259 |
val = "(node down)" |
260 |
elif field == "sda_size" or field == "sdb_size": |
261 |
if val is None: |
262 |
val = "N/A" |
263 |
elif field in list_type_fields: |
264 |
val = ",".join(val) |
265 |
elif val is None: |
266 |
val = "-" |
267 |
row[idx] = str(val) |
268 |
|
269 |
data = GenerateTable(separator=opts.separator, headers=headers, |
270 |
fields=selected_fields, unitfields=unitfields, |
271 |
numfields=numfields, data=output) |
272 |
|
273 |
for line in data: |
274 |
ToStdout(line) |
275 |
|
276 |
return 0 |
277 |
|
278 |
|
279 |
def AddInstance(opts, args): |
280 |
"""Add an instance to the cluster. |
281 |
|
282 |
@param opts: the command line options selected by the user |
283 |
@type args: list |
284 |
@param args: should contain only one element, the new instance name |
285 |
@rtype: int |
286 |
@return: the desired exit code |
287 |
|
288 |
""" |
289 |
instance = args[0] |
290 |
|
291 |
(pnode, snode) = SplitNodeOption(opts.node) |
292 |
|
293 |
hypervisor = None |
294 |
hvparams = {} |
295 |
if opts.hypervisor: |
296 |
hypervisor, hvparams = opts.hypervisor |
297 |
|
298 |
if opts.nics: |
299 |
try: |
300 |
nic_max = max(int(nidx[0])+1 for nidx in opts.nics) |
301 |
except ValueError, err: |
302 |
raise errors.OpPrereqError("Invalid NIC index passed: %s" % str(err)) |
303 |
nics = [{}] * nic_max |
304 |
for nidx, ndict in opts.nics.items(): |
305 |
nidx = int(nidx) |
306 |
nics[nidx] = ndict |
307 |
else: |
308 |
# default of one nic, all auto |
309 |
nics = [{}] |
310 |
|
311 |
if not opts.disks and opts.disk_template != constants.DT_DISKLESS: |
312 |
raise errors.OpPrereqError("No disk information specified") |
313 |
elif opts.disks and opts.disk_template == constants.DT_DISKLESS: |
314 |
raise errors.OpPrereqError("Diskless instance but disk information passeD") |
315 |
else: |
316 |
try: |
317 |
disk_max = max(int(didx[0])+1 for didx in opts.disks) |
318 |
except ValueError, err: |
319 |
raise errors.OpPrereqError("Invalid disk index passed: %s" % str(err)) |
320 |
disks = [{}] * disk_max |
321 |
for didx, ddict in opts.disks: |
322 |
didx = int(didx) |
323 |
if "size" not in ddict: |
324 |
raise errors.OpPrereqError("Missing size for disk %d" % didx) |
325 |
try: |
326 |
ddict["size"] = utils.ParseUnit(ddict["size"]) |
327 |
except ValueError, err: |
328 |
raise errors.OpPrereqError("Invalid disk size for disk %d: %s" % |
329 |
(didx, err)) |
330 |
disks[didx] = ddict |
331 |
|
332 |
ValidateBeParams(opts.beparams) |
333 |
|
334 |
## kernel_path = _TransformPath(opts.kernel_path) |
335 |
## initrd_path = _TransformPath(opts.initrd_path) |
336 |
|
337 |
## hvm_acpi = opts.hvm_acpi == _VALUE_TRUE |
338 |
## hvm_pae = opts.hvm_pae == _VALUE_TRUE |
339 |
|
340 |
## if ((opts.hvm_cdrom_image_path is not None) and |
341 |
## (opts.hvm_cdrom_image_path.lower() == constants.VALUE_NONE)): |
342 |
## hvm_cdrom_image_path = None |
343 |
## else: |
344 |
## hvm_cdrom_image_path = opts.hvm_cdrom_image_path |
345 |
|
346 |
op = opcodes.OpCreateInstance(instance_name=instance, |
347 |
disks=disks, |
348 |
disk_template=opts.disk_template, |
349 |
nics=nics, |
350 |
mode=constants.INSTANCE_CREATE, |
351 |
os_type=opts.os, pnode=pnode, |
352 |
snode=snode, |
353 |
start=opts.start, ip_check=opts.ip_check, |
354 |
wait_for_sync=opts.wait_for_sync, |
355 |
hypervisor=hypervisor, |
356 |
hvparams=hvparams, |
357 |
beparams=opts.beparams, |
358 |
iallocator=opts.iallocator, |
359 |
file_storage_dir=opts.file_storage_dir, |
360 |
file_driver=opts.file_driver, |
361 |
) |
362 |
|
363 |
SubmitOrSend(op, opts) |
364 |
return 0 |
365 |
|
366 |
|
367 |
def BatchCreate(opts, args): |
368 |
"""Create instances using a definition file. |
369 |
|
370 |
This function reads a json file with instances defined |
371 |
in the form:: |
372 |
|
373 |
{"instance-name":{ |
374 |
"disk_size": 25, |
375 |
"swap_size": 1024, |
376 |
"template": "drbd", |
377 |
"backend": { |
378 |
"memory": 512, |
379 |
"vcpus": 1 }, |
380 |
"os": "etch-image", |
381 |
"primary_node": "firstnode", |
382 |
"secondary_node": "secondnode", |
383 |
"iallocator": "dumb"} |
384 |
} |
385 |
|
386 |
Note that I{primary_node} and I{secondary_node} have precedence over |
387 |
I{iallocator}. |
388 |
|
389 |
@param opts: the command line options selected by the user |
390 |
@type args: list |
391 |
@param args: should contain one element, the json filename |
392 |
@rtype: int |
393 |
@return: the desired exit code |
394 |
|
395 |
""" |
396 |
_DEFAULT_SPECS = {"disk_size": 20 * 1024, |
397 |
"swap_size": 4 * 1024, |
398 |
"backend": {}, |
399 |
"iallocator": None, |
400 |
"primary_node": None, |
401 |
"secondary_node": None, |
402 |
"ip": 'none', |
403 |
"mac": 'auto', |
404 |
"bridge": None, |
405 |
"start": True, |
406 |
"ip_check": True, |
407 |
"hypervisor": None, |
408 |
"file_storage_dir": None, |
409 |
"file_driver": 'loop'} |
410 |
|
411 |
def _PopulateWithDefaults(spec): |
412 |
"""Returns a new hash combined with default values.""" |
413 |
mydict = _DEFAULT_SPECS.copy() |
414 |
mydict.update(spec) |
415 |
return mydict |
416 |
|
417 |
def _Validate(spec): |
418 |
"""Validate the instance specs.""" |
419 |
# Validate fields required under any circumstances |
420 |
for required_field in ('os', 'template'): |
421 |
if required_field not in spec: |
422 |
raise errors.OpPrereqError('Required field "%s" is missing.' % |
423 |
required_field) |
424 |
# Validate special fields |
425 |
if spec['primary_node'] is not None: |
426 |
if (spec['template'] in constants.DTS_NET_MIRROR and |
427 |
spec['secondary_node'] is None): |
428 |
raise errors.OpPrereqError('Template requires secondary node, but' |
429 |
' there was no secondary provided.') |
430 |
elif spec['iallocator'] is None: |
431 |
raise errors.OpPrereqError('You have to provide at least a primary_node' |
432 |
' or an iallocator.') |
433 |
|
434 |
if (spec['hypervisor'] and |
435 |
not isinstance(spec['hypervisor'], dict)): |
436 |
raise errors.OpPrereqError('Hypervisor parameters must be a dict.') |
437 |
|
438 |
json_filename = args[0] |
439 |
fd = open(json_filename, 'r') |
440 |
try: |
441 |
instance_data = simplejson.load(fd) |
442 |
finally: |
443 |
fd.close() |
444 |
|
445 |
# Iterate over the instances and do: |
446 |
# * Populate the specs with default value |
447 |
# * Validate the instance specs |
448 |
for (name, specs) in instance_data.iteritems(): |
449 |
specs = _PopulateWithDefaults(specs) |
450 |
_Validate(specs) |
451 |
|
452 |
hypervisor = None |
453 |
hvparams = {} |
454 |
if specs['hypervisor']: |
455 |
hypervisor, hvparams = specs['hypervisor'].iteritems() |
456 |
|
457 |
op = opcodes.OpCreateInstance(instance_name=name, |
458 |
disk_size=specs['disk_size'], |
459 |
swap_size=specs['swap_size'], |
460 |
disk_template=specs['template'], |
461 |
mode=constants.INSTANCE_CREATE, |
462 |
os_type=specs['os'], |
463 |
pnode=specs['primary_node'], |
464 |
snode=specs['secondary_node'], |
465 |
ip=specs['ip'], bridge=specs['bridge'], |
466 |
start=specs['start'], |
467 |
ip_check=specs['ip_check'], |
468 |
wait_for_sync=True, |
469 |
mac=specs['mac'], |
470 |
iallocator=specs['iallocator'], |
471 |
hypervisor=hypervisor, |
472 |
hvparams=hvparams, |
473 |
beparams=specs['backend'], |
474 |
file_storage_dir=specs['file_storage_dir'], |
475 |
file_driver=specs['file_driver']) |
476 |
|
477 |
ToStdout("%s: %s", name, cli.SendJob([op])) |
478 |
|
479 |
return 0 |
480 |
|
481 |
|
482 |
def ReinstallInstance(opts, args): |
483 |
"""Reinstall an instance. |
484 |
|
485 |
@param opts: the command line options selected by the user |
486 |
@type args: list |
487 |
@param args: should contain only one element, the name of the |
488 |
instance to be reinstalled |
489 |
@rtype: int |
490 |
@return: the desired exit code |
491 |
|
492 |
""" |
493 |
instance_name = args[0] |
494 |
|
495 |
if opts.select_os is True: |
496 |
op = opcodes.OpDiagnoseOS(output_fields=["name", "valid"], names=[]) |
497 |
result = SubmitOpCode(op) |
498 |
|
499 |
if not result: |
500 |
ToStdout("Can't get the OS list") |
501 |
return 1 |
502 |
|
503 |
ToStdout("Available OS templates:") |
504 |
number = 0 |
505 |
choices = [] |
506 |
for entry in result: |
507 |
ToStdout("%3s: %s", number, entry[0]) |
508 |
choices.append(("%s" % number, entry[0], entry[0])) |
509 |
number = number + 1 |
510 |
|
511 |
choices.append(('x', 'exit', 'Exit gnt-instance reinstall')) |
512 |
selected = AskUser("Enter OS template name or number (or x to abort):", |
513 |
choices) |
514 |
|
515 |
if selected == 'exit': |
516 |
ToStdout("User aborted reinstall, exiting") |
517 |
return 1 |
518 |
|
519 |
os_name = selected |
520 |
else: |
521 |
os_name = opts.os |
522 |
|
523 |
if not opts.force: |
524 |
usertext = ("This will reinstall the instance %s and remove" |
525 |
" all data. Continue?") % instance_name |
526 |
if not AskUser(usertext): |
527 |
return 1 |
528 |
|
529 |
op = opcodes.OpReinstallInstance(instance_name=instance_name, |
530 |
os_type=os_name) |
531 |
SubmitOrSend(op, opts) |
532 |
|
533 |
return 0 |
534 |
|
535 |
|
536 |
def RemoveInstance(opts, args): |
537 |
"""Remove an instance. |
538 |
|
539 |
@param opts: the command line options selected by the user |
540 |
@type args: list |
541 |
@param args: should contain only one element, the name of |
542 |
the instance to be removed |
543 |
@rtype: int |
544 |
@return: the desired exit code |
545 |
|
546 |
""" |
547 |
instance_name = args[0] |
548 |
force = opts.force |
549 |
|
550 |
if not force: |
551 |
usertext = ("This will remove the volumes of the instance %s" |
552 |
" (including mirrors), thus removing all the data" |
553 |
" of the instance. Continue?") % instance_name |
554 |
if not AskUser(usertext): |
555 |
return 1 |
556 |
|
557 |
op = opcodes.OpRemoveInstance(instance_name=instance_name, |
558 |
ignore_failures=opts.ignore_failures) |
559 |
SubmitOrSend(op, opts) |
560 |
return 0 |
561 |
|
562 |
|
563 |
def RenameInstance(opts, args): |
564 |
"""Rename an instance. |
565 |
|
566 |
@param opts: the command line options selected by the user |
567 |
@type args: list |
568 |
@param args: should contain two elements, the old and the |
569 |
new instance names |
570 |
@rtype: int |
571 |
@return: the desired exit code |
572 |
|
573 |
""" |
574 |
op = opcodes.OpRenameInstance(instance_name=args[0], |
575 |
new_name=args[1], |
576 |
ignore_ip=opts.ignore_ip) |
577 |
SubmitOrSend(op, opts) |
578 |
return 0 |
579 |
|
580 |
|
581 |
def ActivateDisks(opts, args): |
582 |
"""Activate an instance's disks. |
583 |
|
584 |
This serves two purposes: |
585 |
- it allows (as long as the instance is not running) |
586 |
mounting the disks and modifying them from the node |
587 |
- it repairs inactive secondary drbds |
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 |
op = opcodes.OpActivateInstanceDisks(instance_name=instance_name) |
598 |
disks_info = SubmitOrSend(op, opts) |
599 |
for host, iname, nname in disks_info: |
600 |
ToStdout("%s:%s:%s", host, iname, nname) |
601 |
return 0 |
602 |
|
603 |
|
604 |
def DeactivateDisks(opts, args): |
605 |
"""Deactivate an instance's disks.. |
606 |
|
607 |
This function takes the instance name, looks for its primary node |
608 |
and the tries to shutdown its block devices on that node. |
609 |
|
610 |
@param opts: the command line options selected by the user |
611 |
@type args: list |
612 |
@param args: should contain only one element, the instance name |
613 |
@rtype: int |
614 |
@return: the desired exit code |
615 |
|
616 |
""" |
617 |
instance_name = args[0] |
618 |
op = opcodes.OpDeactivateInstanceDisks(instance_name=instance_name) |
619 |
SubmitOrSend(op, opts) |
620 |
return 0 |
621 |
|
622 |
|
623 |
def GrowDisk(opts, args): |
624 |
"""Grow an instance's disks. |
625 |
|
626 |
@param opts: the command line options selected by the user |
627 |
@type args: list |
628 |
@param args: should contain two elements, the instance name |
629 |
whose disks we grow and the disk name, e.g. I{sda} |
630 |
@rtype: int |
631 |
@return: the desired exit code |
632 |
|
633 |
""" |
634 |
instance = args[0] |
635 |
disk = args[1] |
636 |
try: |
637 |
disk = int(disk) |
638 |
except ValueError, err: |
639 |
raise errors.OpPrereqError("Invalid disk index: %s" % str(err)) |
640 |
amount = utils.ParseUnit(args[2]) |
641 |
op = opcodes.OpGrowDisk(instance_name=instance, disk=disk, amount=amount, |
642 |
wait_for_sync=opts.wait_for_sync) |
643 |
SubmitOrSend(op, opts) |
644 |
return 0 |
645 |
|
646 |
|
647 |
def StartupInstance(opts, args): |
648 |
"""Startup instances. |
649 |
|
650 |
Depending on the options given, this will start one or more |
651 |
instances. |
652 |
|
653 |
@param opts: the command line options selected by the user |
654 |
@type args: list |
655 |
@param args: the instance or node names based on which we |
656 |
create the final selection (in conjunction with the |
657 |
opts argument) |
658 |
@rtype: int |
659 |
@return: the desired exit code |
660 |
|
661 |
""" |
662 |
if opts.multi_mode is None: |
663 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
664 |
inames = _ExpandMultiNames(opts.multi_mode, args) |
665 |
if not inames: |
666 |
raise errors.OpPrereqError("Selection filter does not match any instances") |
667 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
668 |
if not (opts.force_multi or not multi_on |
669 |
or _ConfirmOperation(inames, "startup")): |
670 |
return 1 |
671 |
for name in inames: |
672 |
op = opcodes.OpStartupInstance(instance_name=name, |
673 |
force=opts.force, |
674 |
extra_args=opts.extra_args) |
675 |
if multi_on: |
676 |
ToStdout("Starting up %s", name) |
677 |
try: |
678 |
SubmitOrSend(op, opts) |
679 |
except JobSubmittedException, err: |
680 |
_, txt = FormatError(err) |
681 |
ToStdout("%s", txt) |
682 |
return 0 |
683 |
|
684 |
|
685 |
def RebootInstance(opts, args): |
686 |
"""Reboot instance(s). |
687 |
|
688 |
Depending on the parameters given, this will reboot one or more |
689 |
instances. |
690 |
|
691 |
@param opts: the command line options selected by the user |
692 |
@type args: list |
693 |
@param args: the instance or node names based on which we |
694 |
create the final selection (in conjunction with the |
695 |
opts argument) |
696 |
@rtype: int |
697 |
@return: the desired exit code |
698 |
|
699 |
""" |
700 |
if opts.multi_mode is None: |
701 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
702 |
inames = _ExpandMultiNames(opts.multi_mode, args) |
703 |
if not inames: |
704 |
raise errors.OpPrereqError("Selection filter does not match any instances") |
705 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
706 |
if not (opts.force_multi or not multi_on |
707 |
or _ConfirmOperation(inames, "reboot")): |
708 |
return 1 |
709 |
for name in inames: |
710 |
op = opcodes.OpRebootInstance(instance_name=name, |
711 |
reboot_type=opts.reboot_type, |
712 |
ignore_secondaries=opts.ignore_secondaries) |
713 |
|
714 |
SubmitOrSend(op, opts) |
715 |
return 0 |
716 |
|
717 |
|
718 |
def ShutdownInstance(opts, args): |
719 |
"""Shutdown an instance. |
720 |
|
721 |
@param opts: the command line options selected by the user |
722 |
@type args: list |
723 |
@param args: the instance or node names based on which we |
724 |
create the final selection (in conjunction with the |
725 |
opts argument) |
726 |
@rtype: int |
727 |
@return: the desired exit code |
728 |
|
729 |
""" |
730 |
if opts.multi_mode is None: |
731 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
732 |
inames = _ExpandMultiNames(opts.multi_mode, args) |
733 |
if not inames: |
734 |
raise errors.OpPrereqError("Selection filter does not match any instances") |
735 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
736 |
if not (opts.force_multi or not multi_on |
737 |
or _ConfirmOperation(inames, "shutdown")): |
738 |
return 1 |
739 |
for name in inames: |
740 |
op = opcodes.OpShutdownInstance(instance_name=name) |
741 |
if multi_on: |
742 |
ToStdout("Shutting down %s", name) |
743 |
try: |
744 |
SubmitOrSend(op, opts) |
745 |
except JobSubmittedException, err: |
746 |
_, txt = FormatError(err) |
747 |
ToStdout("%s", txt) |
748 |
return 0 |
749 |
|
750 |
|
751 |
def ReplaceDisks(opts, args): |
752 |
"""Replace the disks of an instance |
753 |
|
754 |
@param opts: the command line options selected by the user |
755 |
@type args: list |
756 |
@param args: should contain only one element, the instance name |
757 |
@rtype: int |
758 |
@return: the desired exit code |
759 |
|
760 |
""" |
761 |
instance_name = args[0] |
762 |
new_2ndary = opts.new_secondary |
763 |
iallocator = opts.iallocator |
764 |
if opts.disks is None: |
765 |
disks = [] |
766 |
else: |
767 |
try: |
768 |
disks = [int(i) for i in opts.disks.split(",")] |
769 |
except ValueError, err: |
770 |
raise errors.OpPrereqError("Invalid disk index passed: %s" % str(err)) |
771 |
if opts.on_primary == opts.on_secondary: # no -p or -s passed, or both passed |
772 |
mode = constants.REPLACE_DISK_ALL |
773 |
elif opts.on_primary: # only on primary: |
774 |
mode = constants.REPLACE_DISK_PRI |
775 |
if new_2ndary is not None or iallocator is not None: |
776 |
raise errors.OpPrereqError("Can't change secondary node on primary disk" |
777 |
" replacement") |
778 |
elif opts.on_secondary is not None or iallocator is not None: |
779 |
# only on secondary |
780 |
mode = constants.REPLACE_DISK_SEC |
781 |
|
782 |
op = opcodes.OpReplaceDisks(instance_name=args[0], disks=disks, |
783 |
remote_node=new_2ndary, mode=mode, |
784 |
iallocator=iallocator) |
785 |
SubmitOrSend(op, opts) |
786 |
return 0 |
787 |
|
788 |
|
789 |
def FailoverInstance(opts, args): |
790 |
"""Failover an instance. |
791 |
|
792 |
The failover is done by shutting it down on its present node and |
793 |
starting it on the secondary. |
794 |
|
795 |
@param opts: the command line options selected by the user |
796 |
@type args: list |
797 |
@param args: should contain only one element, the instance name |
798 |
@rtype: int |
799 |
@return: the desired exit code |
800 |
|
801 |
""" |
802 |
instance_name = args[0] |
803 |
force = opts.force |
804 |
|
805 |
if not force: |
806 |
usertext = ("Failover will happen to image %s." |
807 |
" This requires a shutdown of the instance. Continue?" % |
808 |
(instance_name,)) |
809 |
if not AskUser(usertext): |
810 |
return 1 |
811 |
|
812 |
op = opcodes.OpFailoverInstance(instance_name=instance_name, |
813 |
ignore_consistency=opts.ignore_consistency) |
814 |
SubmitOrSend(op, opts) |
815 |
return 0 |
816 |
|
817 |
|
818 |
def ConnectToInstanceConsole(opts, args): |
819 |
"""Connect to the console of an instance. |
820 |
|
821 |
@param opts: the command line options selected by the user |
822 |
@type args: list |
823 |
@param args: should contain only one element, the instance name |
824 |
@rtype: int |
825 |
@return: the desired exit code |
826 |
|
827 |
""" |
828 |
instance_name = args[0] |
829 |
|
830 |
op = opcodes.OpConnectConsole(instance_name=instance_name) |
831 |
cmd = SubmitOpCode(op) |
832 |
|
833 |
if opts.show_command: |
834 |
ToStdout("%s", utils.ShellQuoteArgs(cmd)) |
835 |
else: |
836 |
try: |
837 |
os.execvp(cmd[0], cmd) |
838 |
finally: |
839 |
ToStderr("Can't run console command %s with arguments:\n'%s'", |
840 |
cmd[0], " ".join(cmd)) |
841 |
os._exit(1) |
842 |
|
843 |
|
844 |
def _FormatBlockDevInfo(buf, dev, indent_level, static): |
845 |
"""Show block device information. |
846 |
|
847 |
This is only used by L{ShowInstanceConfig}, but it's too big to be |
848 |
left for an inline definition. |
849 |
|
850 |
@type buf: StringIO |
851 |
@param buf: buffer that will accumulate the output |
852 |
@type dev: dict |
853 |
@param dev: dictionary with disk information |
854 |
@type indent_level: int |
855 |
@param indent_level: the indendation level we are at, used for |
856 |
the layout of the device tree |
857 |
@type static: boolean |
858 |
@param static: wheter the device information doesn't contain |
859 |
runtime information but only static data |
860 |
|
861 |
""" |
862 |
def helper(buf, dtype, status): |
863 |
"""Format one line for physical device status. |
864 |
|
865 |
@type buf: StringIO |
866 |
@param buf: buffer that will accumulate the output |
867 |
@type dtype: str |
868 |
@param dtype: a constant from the L{constants.LDS_BLOCK} set |
869 |
@type status: tuple |
870 |
@param status: a tuple as returned from L{backend.FindBlockDevice} |
871 |
|
872 |
""" |
873 |
if not status: |
874 |
buf.write("not active\n") |
875 |
else: |
876 |
(path, major, minor, syncp, estt, degr, ldisk) = status |
877 |
if major is None: |
878 |
major_string = "N/A" |
879 |
else: |
880 |
major_string = str(major) |
881 |
|
882 |
if minor is None: |
883 |
minor_string = "N/A" |
884 |
else: |
885 |
minor_string = str(minor) |
886 |
|
887 |
buf.write("%s (%s:%s)" % (path, major_string, minor_string)) |
888 |
if dtype in (constants.LD_DRBD8, ): |
889 |
if syncp is not None: |
890 |
sync_text = "*RECOVERING* %5.2f%%," % syncp |
891 |
if estt: |
892 |
sync_text += " ETA %ds" % estt |
893 |
else: |
894 |
sync_text += " ETA unknown" |
895 |
else: |
896 |
sync_text = "in sync" |
897 |
if degr: |
898 |
degr_text = "*DEGRADED*" |
899 |
else: |
900 |
degr_text = "ok" |
901 |
if ldisk: |
902 |
ldisk_text = " *MISSING DISK*" |
903 |
else: |
904 |
ldisk_text = "" |
905 |
buf.write(" %s, status %s%s" % (sync_text, degr_text, ldisk_text)) |
906 |
elif dtype == constants.LD_LV: |
907 |
if ldisk: |
908 |
ldisk_text = " *FAILED* (failed drive?)" |
909 |
else: |
910 |
ldisk_text = "" |
911 |
buf.write(ldisk_text) |
912 |
buf.write("\n") |
913 |
|
914 |
if dev["iv_name"] is not None: |
915 |
data = " - %s, " % dev["iv_name"] |
916 |
else: |
917 |
data = " - " |
918 |
data += "type: %s" % dev["dev_type"] |
919 |
if dev["logical_id"] is not None: |
920 |
data += ", logical_id: %s" % (dev["logical_id"],) |
921 |
elif dev["physical_id"] is not None: |
922 |
data += ", physical_id: %s" % (dev["physical_id"],) |
923 |
buf.write("%*s%s\n" % (2*indent_level, "", data)) |
924 |
if not static: |
925 |
buf.write("%*s primary: " % (2*indent_level, "")) |
926 |
helper(buf, dev["dev_type"], dev["pstatus"]) |
927 |
|
928 |
if dev["sstatus"] and not static: |
929 |
buf.write("%*s secondary: " % (2*indent_level, "")) |
930 |
helper(buf, dev["dev_type"], dev["sstatus"]) |
931 |
|
932 |
if dev["children"]: |
933 |
for child in dev["children"]: |
934 |
_FormatBlockDevInfo(buf, child, indent_level+1, static) |
935 |
|
936 |
|
937 |
def ShowInstanceConfig(opts, args): |
938 |
"""Compute instance run-time status. |
939 |
|
940 |
@param opts: the command line options selected by the user |
941 |
@type args: list |
942 |
@param args: either an empty list, and then we query all |
943 |
instances, or should contain a list of instance names |
944 |
@rtype: int |
945 |
@return: the desired exit code |
946 |
|
947 |
""" |
948 |
retcode = 0 |
949 |
op = opcodes.OpQueryInstanceData(instances=args, static=opts.static) |
950 |
result = SubmitOpCode(op) |
951 |
if not result: |
952 |
ToStdout("No instances.") |
953 |
return 1 |
954 |
|
955 |
buf = StringIO() |
956 |
retcode = 0 |
957 |
for instance_name in result: |
958 |
instance = result[instance_name] |
959 |
buf.write("Instance name: %s\n" % instance["name"]) |
960 |
buf.write("State: configured to be %s" % instance["config_state"]) |
961 |
if not opts.static: |
962 |
buf.write(", actual state is %s" % instance["run_state"]) |
963 |
buf.write("\n") |
964 |
##buf.write("Considered for memory checks in cluster verify: %s\n" % |
965 |
## instance["auto_balance"]) |
966 |
buf.write(" Nodes:\n") |
967 |
buf.write(" - primary: %s\n" % instance["pnode"]) |
968 |
buf.write(" - secondaries: %s\n" % ", ".join(instance["snodes"])) |
969 |
buf.write(" Operating system: %s\n" % instance["os"]) |
970 |
if instance.has_key("network_port"): |
971 |
buf.write(" Allocated network port: %s\n" % instance["network_port"]) |
972 |
buf.write(" Hypervisor: %s\n" % instance["hypervisor"]) |
973 |
if instance["hypervisor"] == constants.HT_XEN_PVM: |
974 |
hvattrs = ((constants.HV_KERNEL_PATH, "kernel path"), |
975 |
(constants.HV_INITRD_PATH, "initrd path")) |
976 |
elif instance["hypervisor"] == constants.HT_XEN_HVM: |
977 |
hvattrs = ((constants.HV_BOOT_ORDER, "boot order"), |
978 |
(constants.HV_ACPI, "ACPI"), |
979 |
(constants.HV_PAE, "PAE"), |
980 |
(constants.HV_CDROM_IMAGE_PATH, "virtual CDROM"), |
981 |
(constants.HV_NIC_TYPE, "NIC type"), |
982 |
(constants.HV_DISK_TYPE, "Disk type"), |
983 |
(constants.HV_VNC_BIND_ADDRESS, "VNC bind address"), |
984 |
) |
985 |
# custom console information for HVM |
986 |
vnc_bind_address = instance["hv_actual"][constants.HV_VNC_BIND_ADDRESS] |
987 |
if vnc_bind_address == constants.BIND_ADDRESS_GLOBAL: |
988 |
vnc_console_port = "%s:%s" % (instance["pnode"], |
989 |
instance["network_port"]) |
990 |
elif vnc_bind_address == constants.LOCALHOST_IP_ADDRESS: |
991 |
vnc_console_port = "%s:%s on node %s" % (vnc_bind_address, |
992 |
instance["network_port"], |
993 |
instance["pnode"]) |
994 |
else: |
995 |
vnc_console_port = "%s:%s" % (vnc_bind_address, |
996 |
instance["network_port"]) |
997 |
buf.write(" - console connection: vnc to %s\n" % vnc_console_port) |
998 |
|
999 |
else: |
1000 |
# auto-handle other hypervisor types |
1001 |
hvattrs = [(key, key) for key in instance["hv_actual"]] |
1002 |
|
1003 |
for key, desc in hvattrs: |
1004 |
if key in instance["hv_instance"]: |
1005 |
val = instance["hv_instance"][key] |
1006 |
else: |
1007 |
val = "default (%s)" % instance["hv_actual"][key] |
1008 |
buf.write(" - %s: %s\n" % (desc, val)) |
1009 |
buf.write(" Hardware:\n") |
1010 |
buf.write(" - VCPUs: %d\n" % |
1011 |
instance["be_actual"][constants.BE_VCPUS]) |
1012 |
buf.write(" - memory: %dMiB\n" % |
1013 |
instance["be_actual"][constants.BE_MEMORY]) |
1014 |
buf.write(" - NICs: %s\n" % |
1015 |
", ".join(["{MAC: %s, IP: %s, bridge: %s}" % |
1016 |
(mac, ip, bridge) |
1017 |
for mac, ip, bridge in instance["nics"]])) |
1018 |
buf.write(" Block devices:\n") |
1019 |
|
1020 |
for device in instance["disks"]: |
1021 |
_FormatBlockDevInfo(buf, device, 1, opts.static) |
1022 |
|
1023 |
ToStdout(buf.getvalue().rstrip('\n')) |
1024 |
return retcode |
1025 |
|
1026 |
|
1027 |
def SetInstanceParams(opts, args): |
1028 |
"""Modifies an instance. |
1029 |
|
1030 |
All parameters take effect only at the next restart of the instance. |
1031 |
|
1032 |
@param opts: the command line options selected by the user |
1033 |
@type args: list |
1034 |
@param args: should contain only one element, the instance name |
1035 |
@rtype: int |
1036 |
@return: the desired exit code |
1037 |
|
1038 |
""" |
1039 |
if not (opts.ip or opts.bridge or opts.mac or |
1040 |
opts.hypervisor or opts.beparams): |
1041 |
ToStderr("Please give at least one of the parameters.") |
1042 |
return 1 |
1043 |
|
1044 |
if constants.BE_MEMORY in opts.beparams: |
1045 |
opts.beparams[constants.BE_MEMORY] = utils.ParseUnit( |
1046 |
opts.beparams[constants.BE_MEMORY]) |
1047 |
|
1048 |
op = opcodes.OpSetInstanceParams(instance_name=args[0], |
1049 |
ip=opts.ip, |
1050 |
bridge=opts.bridge, mac=opts.mac, |
1051 |
hvparams=opts.hypervisor, |
1052 |
beparams=opts.beparams, |
1053 |
force=opts.force) |
1054 |
|
1055 |
# even if here we process the result, we allow submit only |
1056 |
result = SubmitOrSend(op, opts) |
1057 |
|
1058 |
if result: |
1059 |
ToStdout("Modified instance %s", args[0]) |
1060 |
for param, data in result: |
1061 |
ToStdout(" - %-5s -> %s", param, data) |
1062 |
ToStdout("Please don't forget that these parameters take effect" |
1063 |
" only at the next start of the instance.") |
1064 |
return 0 |
1065 |
|
1066 |
|
1067 |
# options used in more than one cmd |
1068 |
node_opt = make_option("-n", "--node", dest="node", help="Target node", |
1069 |
metavar="<node>") |
1070 |
|
1071 |
os_opt = cli_option("-o", "--os-type", dest="os", help="What OS to run", |
1072 |
metavar="<os>") |
1073 |
|
1074 |
# multi-instance selection options |
1075 |
m_force_multi = make_option("--force-multiple", dest="force_multi", |
1076 |
help="Do not ask for confirmation when more than" |
1077 |
" one instance is affected", |
1078 |
action="store_true", default=False) |
1079 |
|
1080 |
m_pri_node_opt = make_option("--primary", dest="multi_mode", |
1081 |
help="Filter by nodes (primary only)", |
1082 |
const=_SHUTDOWN_NODES_PRI, action="store_const") |
1083 |
|
1084 |
m_sec_node_opt = make_option("--secondary", dest="multi_mode", |
1085 |
help="Filter by nodes (secondary only)", |
1086 |
const=_SHUTDOWN_NODES_SEC, action="store_const") |
1087 |
|
1088 |
m_node_opt = make_option("--node", dest="multi_mode", |
1089 |
help="Filter by nodes (primary and secondary)", |
1090 |
const=_SHUTDOWN_NODES_BOTH, action="store_const") |
1091 |
|
1092 |
m_clust_opt = make_option("--all", dest="multi_mode", |
1093 |
help="Select all instances in the cluster", |
1094 |
const=_SHUTDOWN_CLUSTER, action="store_const") |
1095 |
|
1096 |
m_inst_opt = make_option("--instance", dest="multi_mode", |
1097 |
help="Filter by instance name [default]", |
1098 |
const=_SHUTDOWN_INSTANCES, action="store_const") |
1099 |
|
1100 |
|
1101 |
# this is defined separately due to readability only |
1102 |
add_opts = [ |
1103 |
DEBUG_OPT, |
1104 |
make_option("-n", "--node", dest="node", |
1105 |
help="Target node and optional secondary node", |
1106 |
metavar="<pnode>[:<snode>]"), |
1107 |
cli_option("-s", "--os-size", dest="size", help="Disk size, in MiB unless" |
1108 |
" a suffix is used", |
1109 |
default=20 * 1024, type="unit", metavar="<size>"), |
1110 |
cli_option("--swap-size", dest="swap", help="Swap size, in MiB unless a" |
1111 |
" suffix is used", |
1112 |
default=4 * 1024, type="unit", metavar="<size>"), |
1113 |
os_opt, |
1114 |
keyval_option("-B", "--backend", dest="beparams", |
1115 |
type="keyval", default={}, |
1116 |
help="Backend parameters"), |
1117 |
make_option("-t", "--disk-template", dest="disk_template", |
1118 |
help="Custom disk setup (diskless, file, plain or drbd)", |
1119 |
default=None, metavar="TEMPL"), |
1120 |
ikv_option("--disk", help="Disk information", |
1121 |
default=[], dest="disks", |
1122 |
action="append", |
1123 |
type="identkeyval"), |
1124 |
ikv_option("--net", help="NIC information", |
1125 |
default=[], dest="nics", |
1126 |
action="append", |
1127 |
type="identkeyval"), |
1128 |
make_option("--no-wait-for-sync", dest="wait_for_sync", default=True, |
1129 |
action="store_false", help="Don't wait for sync (DANGEROUS!)"), |
1130 |
make_option("--no-start", dest="start", default=True, |
1131 |
action="store_false", help="Don't start the instance after" |
1132 |
" creation"), |
1133 |
make_option("--no-ip-check", dest="ip_check", default=True, |
1134 |
action="store_false", help="Don't check that the instance's IP" |
1135 |
" is alive (only valid with --no-start)"), |
1136 |
make_option("--file-storage-dir", dest="file_storage_dir", |
1137 |
help="Relative path under default cluster-wide file storage dir" |
1138 |
" to store file-based disks", default=None, |
1139 |
metavar="<DIR>"), |
1140 |
make_option("--file-driver", dest="file_driver", help="Driver to use" |
1141 |
" for image files", default="loop", metavar="<DRIVER>"), |
1142 |
make_option("--iallocator", metavar="<NAME>", |
1143 |
help="Select nodes for the instance automatically using the" |
1144 |
" <NAME> iallocator plugin", default=None, type="string"), |
1145 |
ikv_option("-H", "--hypervisor", dest="hypervisor", |
1146 |
help="Hypervisor and hypervisor options, in the format" |
1147 |
" hypervisor:option=value,option=value,...", default=None, |
1148 |
type="identkeyval"), |
1149 |
SUBMIT_OPT, |
1150 |
] |
1151 |
|
1152 |
commands = { |
1153 |
'add': (AddInstance, ARGS_ONE, add_opts, |
1154 |
"[...] -t disk-type -n node[:secondary-node] -o os-type <name>", |
1155 |
"Creates and adds a new instance to the cluster"), |
1156 |
'batch-create': (BatchCreate, ARGS_ONE, |
1157 |
[DEBUG_OPT], |
1158 |
"<instances_file.json>", |
1159 |
"Create a bunch of instances based on specs in the file."), |
1160 |
'console': (ConnectToInstanceConsole, ARGS_ONE, |
1161 |
[DEBUG_OPT, |
1162 |
make_option("--show-cmd", dest="show_command", |
1163 |
action="store_true", default=False, |
1164 |
help=("Show command instead of executing it"))], |
1165 |
"[--show-cmd] <instance>", |
1166 |
"Opens a console on the specified instance"), |
1167 |
'failover': (FailoverInstance, ARGS_ONE, |
1168 |
[DEBUG_OPT, FORCE_OPT, |
1169 |
make_option("--ignore-consistency", dest="ignore_consistency", |
1170 |
action="store_true", default=False, |
1171 |
help="Ignore the consistency of the disks on" |
1172 |
" the secondary"), |
1173 |
SUBMIT_OPT, |
1174 |
], |
1175 |
"[-f] <instance>", |
1176 |
"Stops the instance and starts it on the backup node, using" |
1177 |
" the remote mirror (only for instances of type drbd)"), |
1178 |
'info': (ShowInstanceConfig, ARGS_ANY, |
1179 |
[DEBUG_OPT, |
1180 |
make_option("-s", "--static", dest="static", |
1181 |
action="store_true", default=False, |
1182 |
help="Only show configuration data, not runtime data"), |
1183 |
], "[-s] [<instance>...]", |
1184 |
"Show information on the specified instance(s)"), |
1185 |
'list': (ListInstances, ARGS_NONE, |
1186 |
[DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], "", |
1187 |
"Lists the instances and their status. The available fields are" |
1188 |
" (see the man page for details): status, oper_state, oper_ram," |
1189 |
" name, os, pnode, snodes, admin_state, admin_ram, disk_template," |
1190 |
" ip, mac, bridge, sda_size, sdb_size, vcpus, serial_no," |
1191 |
" hypervisor." |
1192 |
" The default field" |
1193 |
" list is (in order): %s." % ", ".join(_LIST_DEF_FIELDS), |
1194 |
), |
1195 |
'reinstall': (ReinstallInstance, ARGS_ONE, |
1196 |
[DEBUG_OPT, FORCE_OPT, os_opt, |
1197 |
make_option("--select-os", dest="select_os", |
1198 |
action="store_true", default=False, |
1199 |
help="Interactive OS reinstall, lists available" |
1200 |
" OS templates for selection"), |
1201 |
SUBMIT_OPT, |
1202 |
], |
1203 |
"[-f] <instance>", "Reinstall a stopped instance"), |
1204 |
'remove': (RemoveInstance, ARGS_ONE, |
1205 |
[DEBUG_OPT, FORCE_OPT, |
1206 |
make_option("--ignore-failures", dest="ignore_failures", |
1207 |
action="store_true", default=False, |
1208 |
help=("Remove the instance from the cluster even" |
1209 |
" if there are failures during the removal" |
1210 |
" process (shutdown, disk removal, etc.)")), |
1211 |
SUBMIT_OPT, |
1212 |
], |
1213 |
"[-f] <instance>", "Shuts down the instance and removes it"), |
1214 |
'rename': (RenameInstance, ARGS_FIXED(2), |
1215 |
[DEBUG_OPT, |
1216 |
make_option("--no-ip-check", dest="ignore_ip", |
1217 |
help="Do not check that the IP of the new name" |
1218 |
" is alive", |
1219 |
default=False, action="store_true"), |
1220 |
SUBMIT_OPT, |
1221 |
], |
1222 |
"<instance> <new_name>", "Rename the instance"), |
1223 |
'replace-disks': (ReplaceDisks, ARGS_ONE, |
1224 |
[DEBUG_OPT, |
1225 |
make_option("-n", "--new-secondary", dest="new_secondary", |
1226 |
help=("New secondary node (for secondary" |
1227 |
" node change)"), metavar="NODE"), |
1228 |
make_option("-p", "--on-primary", dest="on_primary", |
1229 |
default=False, action="store_true", |
1230 |
help=("Replace the disk(s) on the primary" |
1231 |
" node (only for the drbd template)")), |
1232 |
make_option("-s", "--on-secondary", dest="on_secondary", |
1233 |
default=False, action="store_true", |
1234 |
help=("Replace the disk(s) on the secondary" |
1235 |
" node (only for the drbd template)")), |
1236 |
make_option("--disks", dest="disks", default=None, |
1237 |
help=("Comma-separated list of disks" |
1238 |
" to replace (e.g. sda) (optional," |
1239 |
" defaults to all disks")), |
1240 |
make_option("--iallocator", metavar="<NAME>", |
1241 |
help="Select new secondary for the instance" |
1242 |
" automatically using the" |
1243 |
" <NAME> iallocator plugin (enables" |
1244 |
" secondary node replacement)", |
1245 |
default=None, type="string"), |
1246 |
SUBMIT_OPT, |
1247 |
], |
1248 |
"[-s|-p|-n NODE] <instance>", |
1249 |
"Replaces all disks for the instance"), |
1250 |
'modify': (SetInstanceParams, ARGS_ONE, |
1251 |
[DEBUG_OPT, FORCE_OPT, |
1252 |
make_option("-i", "--ip", dest="ip", |
1253 |
help="IP address ('none' or numeric IP)", |
1254 |
default=None, type="string", metavar="<ADDRESS>"), |
1255 |
make_option("-b", "--bridge", dest="bridge", |
1256 |
help="Bridge to connect this instance to", |
1257 |
default=None, type="string", metavar="<bridge>"), |
1258 |
make_option("--mac", dest="mac", |
1259 |
help="MAC address", default=None, |
1260 |
type="string", metavar="<MACADDRESS>"), |
1261 |
keyval_option("-H", "--hypervisor", type="keyval", |
1262 |
default={}, dest="hypervisor", |
1263 |
help="Change hypervisor parameters"), |
1264 |
keyval_option("-B", "--backend", type="keyval", |
1265 |
default={}, dest="beparams", |
1266 |
help="Change backend parameters"), |
1267 |
SUBMIT_OPT, |
1268 |
], |
1269 |
"<instance>", "Alters the parameters of an instance"), |
1270 |
'shutdown': (ShutdownInstance, ARGS_ANY, |
1271 |
[DEBUG_OPT, m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1272 |
m_clust_opt, m_inst_opt, m_force_multi, |
1273 |
SUBMIT_OPT, |
1274 |
], |
1275 |
"<instance>", "Stops an instance"), |
1276 |
'startup': (StartupInstance, ARGS_ANY, |
1277 |
[DEBUG_OPT, FORCE_OPT, m_force_multi, |
1278 |
make_option("-e", "--extra", dest="extra_args", |
1279 |
help="Extra arguments for the instance's kernel", |
1280 |
default=None, type="string", metavar="<PARAMS>"), |
1281 |
m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1282 |
m_clust_opt, m_inst_opt, |
1283 |
SUBMIT_OPT, |
1284 |
], |
1285 |
"<instance>", "Starts an instance"), |
1286 |
|
1287 |
'reboot': (RebootInstance, ARGS_ANY, |
1288 |
[DEBUG_OPT, m_force_multi, |
1289 |
make_option("-e", "--extra", dest="extra_args", |
1290 |
help="Extra arguments for the instance's kernel", |
1291 |
default=None, type="string", metavar="<PARAMS>"), |
1292 |
make_option("-t", "--type", dest="reboot_type", |
1293 |
help="Type of reboot: soft/hard/full", |
1294 |
default=constants.INSTANCE_REBOOT_HARD, |
1295 |
type="string", metavar="<REBOOT>"), |
1296 |
make_option("--ignore-secondaries", dest="ignore_secondaries", |
1297 |
default=False, action="store_true", |
1298 |
help="Ignore errors from secondaries"), |
1299 |
m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1300 |
m_clust_opt, m_inst_opt, |
1301 |
SUBMIT_OPT, |
1302 |
], |
1303 |
"<instance>", "Reboots an instance"), |
1304 |
'activate-disks': (ActivateDisks, ARGS_ONE, [DEBUG_OPT, SUBMIT_OPT], |
1305 |
"<instance>", |
1306 |
"Activate an instance's disks"), |
1307 |
'deactivate-disks': (DeactivateDisks, ARGS_ONE, [DEBUG_OPT, SUBMIT_OPT], |
1308 |
"<instance>", |
1309 |
"Deactivate an instance's disks"), |
1310 |
'grow-disk': (GrowDisk, ARGS_FIXED(3), |
1311 |
[DEBUG_OPT, SUBMIT_OPT, |
1312 |
make_option("--no-wait-for-sync", |
1313 |
dest="wait_for_sync", default=True, |
1314 |
action="store_false", |
1315 |
help="Don't wait for sync (DANGEROUS!)"), |
1316 |
], |
1317 |
"<instance> <disk> <size>", "Grow an instance's disk"), |
1318 |
'list-tags': (ListTags, ARGS_ONE, [DEBUG_OPT], |
1319 |
"<instance_name>", "List the tags of the given instance"), |
1320 |
'add-tags': (AddTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT], |
1321 |
"<instance_name> tag...", "Add tags to the given instance"), |
1322 |
'remove-tags': (RemoveTags, ARGS_ATLEAST(1), [DEBUG_OPT, TAG_SRC_OPT], |
1323 |
"<instance_name> tag...", "Remove tags from given instance"), |
1324 |
} |
1325 |
|
1326 |
#: dictionary with aliases for commands |
1327 |
aliases = { |
1328 |
'activate_block_devs': 'activate-disks', |
1329 |
'replace_disks': 'replace-disks', |
1330 |
'start': 'startup', |
1331 |
'stop': 'shutdown', |
1332 |
} |
1333 |
|
1334 |
if __name__ == '__main__': |
1335 |
sys.exit(GenericMain(commands, aliases=aliases, |
1336 |
override={"tag_type": constants.TAG_INSTANCE})) |