root / scripts / gnt-instance @ e29e9550
History | View | Annotate | Download (50 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 |
"""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 sys |
29 |
import os |
30 |
import itertools |
31 |
import simplejson |
32 |
from cStringIO import StringIO |
33 |
|
34 |
from ganeti.cli import * |
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_NODES_BOTH_BY_TAGS = "nodes-by-tags" |
46 |
_SHUTDOWN_NODES_PRI_BY_TAGS = "nodes-pri-by-tags" |
47 |
_SHUTDOWN_NODES_SEC_BY_TAGS = "nodes-sec-by-tags" |
48 |
_SHUTDOWN_INSTANCES = "instances" |
49 |
_SHUTDOWN_INSTANCES_BY_TAGS = "instances-by-tags" |
50 |
|
51 |
_SHUTDOWN_NODES_TAGS_MODES = ( |
52 |
_SHUTDOWN_NODES_BOTH_BY_TAGS, |
53 |
_SHUTDOWN_NODES_PRI_BY_TAGS, |
54 |
_SHUTDOWN_NODES_SEC_BY_TAGS) |
55 |
|
56 |
|
57 |
_VALUE_TRUE = "true" |
58 |
|
59 |
#: default list of options for L{ListInstances} |
60 |
_LIST_DEF_FIELDS = [ |
61 |
"name", "hypervisor", "os", "pnode", "status", "oper_ram", |
62 |
] |
63 |
|
64 |
|
65 |
def _ExpandMultiNames(mode, names, client=None): |
66 |
"""Expand the given names using the passed mode. |
67 |
|
68 |
For _SHUTDOWN_CLUSTER, all instances will be returned. For |
69 |
_SHUTDOWN_NODES_PRI/SEC, all instances having those nodes as |
70 |
primary/secondary will be returned. For _SHUTDOWN_NODES_BOTH, all |
71 |
instances having those nodes as either primary or secondary will be |
72 |
returned. For _SHUTDOWN_INSTANCES, the given instances will be |
73 |
returned. |
74 |
|
75 |
@param mode: one of L{_SHUTDOWN_CLUSTER}, L{_SHUTDOWN_NODES_BOTH}, |
76 |
L{_SHUTDOWN_NODES_PRI}, L{_SHUTDOWN_NODES_SEC} or |
77 |
L{_SHUTDOWN_INSTANCES} |
78 |
@param names: a list of names; for cluster, it must be empty, |
79 |
and for node and instance it must be a list of valid item |
80 |
names (short names are valid as usual, e.g. node1 instead of |
81 |
node1.example.com) |
82 |
@rtype: list |
83 |
@return: the list of names after the expansion |
84 |
@raise errors.ProgrammerError: for unknown selection type |
85 |
@raise errors.OpPrereqError: for invalid input parameters |
86 |
|
87 |
""" |
88 |
# pylint: disable-msg=W0142 |
89 |
|
90 |
if client is None: |
91 |
client = GetClient() |
92 |
if mode == _SHUTDOWN_CLUSTER: |
93 |
if names: |
94 |
raise errors.OpPrereqError("Cluster filter mode takes no arguments", |
95 |
errors.ECODE_INVAL) |
96 |
idata = client.QueryInstances([], ["name"], False) |
97 |
inames = [row[0] for row in idata] |
98 |
|
99 |
elif mode in (_SHUTDOWN_NODES_BOTH, |
100 |
_SHUTDOWN_NODES_PRI, |
101 |
_SHUTDOWN_NODES_SEC) + _SHUTDOWN_NODES_TAGS_MODES: |
102 |
if mode in _SHUTDOWN_NODES_TAGS_MODES: |
103 |
if not names: |
104 |
raise errors.OpPrereqError("No node tags passed", errors.ECODE_INVAL) |
105 |
ndata = client.QueryNodes([], ["name", "pinst_list", |
106 |
"sinst_list", "tags"], False) |
107 |
ndata = [row for row in ndata if set(row[3]).intersection(names)] |
108 |
else: |
109 |
if not names: |
110 |
raise errors.OpPrereqError("No node names passed", errors.ECODE_INVAL) |
111 |
ndata = client.QueryNodes(names, ["name", "pinst_list", "sinst_list"], |
112 |
False) |
113 |
|
114 |
ipri = [row[1] for row in ndata] |
115 |
pri_names = list(itertools.chain(*ipri)) |
116 |
isec = [row[2] for row in ndata] |
117 |
sec_names = list(itertools.chain(*isec)) |
118 |
if mode in (_SHUTDOWN_NODES_BOTH, _SHUTDOWN_NODES_BOTH_BY_TAGS): |
119 |
inames = pri_names + sec_names |
120 |
elif mode in (_SHUTDOWN_NODES_PRI, _SHUTDOWN_NODES_PRI_BY_TAGS): |
121 |
inames = pri_names |
122 |
elif mode in (_SHUTDOWN_NODES_SEC, _SHUTDOWN_NODES_SEC_BY_TAGS): |
123 |
inames = sec_names |
124 |
else: |
125 |
raise errors.ProgrammerError("Unhandled shutdown type") |
126 |
elif mode == _SHUTDOWN_INSTANCES: |
127 |
if not names: |
128 |
raise errors.OpPrereqError("No instance names passed", |
129 |
errors.ECODE_INVAL) |
130 |
idata = client.QueryInstances(names, ["name"], False) |
131 |
inames = [row[0] for row in idata] |
132 |
elif mode == _SHUTDOWN_INSTANCES_BY_TAGS: |
133 |
if not names: |
134 |
raise errors.OpPrereqError("No instance tags passed", |
135 |
errors.ECODE_INVAL) |
136 |
idata = client.QueryInstances([], ["name", "tags"], False) |
137 |
inames = [row[0] for row in idata if set(row[1]).intersection(names)] |
138 |
else: |
139 |
raise errors.OpPrereqError("Unknown mode '%s'" % mode, errors.ECODE_INVAL) |
140 |
|
141 |
return inames |
142 |
|
143 |
|
144 |
def _ConfirmOperation(inames, text, extra=""): |
145 |
"""Ask the user to confirm an operation on a list of instances. |
146 |
|
147 |
This function is used to request confirmation for doing an operation |
148 |
on a given list of instances. |
149 |
|
150 |
@type inames: list |
151 |
@param inames: the list of names that we display when |
152 |
we ask for confirmation |
153 |
@type text: str |
154 |
@param text: the operation that the user should confirm |
155 |
(e.g. I{shutdown} or I{startup}) |
156 |
@rtype: boolean |
157 |
@return: True or False depending on user's confirmation. |
158 |
|
159 |
""" |
160 |
count = len(inames) |
161 |
msg = ("The %s will operate on %d instances.\n%s" |
162 |
"Do you want to continue?" % (text, count, extra)) |
163 |
affected = ("\nAffected instances:\n" + |
164 |
"\n".join([" %s" % name for name in inames])) |
165 |
|
166 |
choices = [('y', True, 'Yes, execute the %s' % text), |
167 |
('n', False, 'No, abort the %s' % text)] |
168 |
|
169 |
if count > 20: |
170 |
choices.insert(1, ('v', 'v', 'View the list of affected instances')) |
171 |
ask = msg |
172 |
else: |
173 |
ask = msg + affected |
174 |
|
175 |
choice = AskUser(ask, choices) |
176 |
if choice == 'v': |
177 |
choices.pop(1) |
178 |
choice = AskUser(msg + affected, choices) |
179 |
return choice |
180 |
|
181 |
|
182 |
def _EnsureInstancesExist(client, names): |
183 |
"""Check for and ensure the given instance names exist. |
184 |
|
185 |
This function will raise an OpPrereqError in case they don't |
186 |
exist. Otherwise it will exit cleanly. |
187 |
|
188 |
@type client: L{ganeti.luxi.Client} |
189 |
@param client: the client to use for the query |
190 |
@type names: list |
191 |
@param names: the list of instance names to query |
192 |
@raise errors.OpPrereqError: in case any instance is missing |
193 |
|
194 |
""" |
195 |
# TODO: change LUQueryInstances to that it actually returns None |
196 |
# instead of raising an exception, or devise a better mechanism |
197 |
result = client.QueryInstances(names, ["name"], False) |
198 |
for orig_name, row in zip(names, result): |
199 |
if row[0] is None: |
200 |
raise errors.OpPrereqError("Instance '%s' does not exist" % orig_name, |
201 |
errors.ECODE_NOENT) |
202 |
|
203 |
|
204 |
def GenericManyOps(operation, fn): |
205 |
"""Generic multi-instance operations. |
206 |
|
207 |
The will return a wrapper that processes the options and arguments |
208 |
given, and uses the passed function to build the opcode needed for |
209 |
the specific operation. Thus all the generic loop/confirmation code |
210 |
is abstracted into this function. |
211 |
|
212 |
""" |
213 |
def realfn(opts, args): |
214 |
if opts.multi_mode is None: |
215 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
216 |
cl = GetClient() |
217 |
inames = _ExpandMultiNames(opts.multi_mode, args, client=cl) |
218 |
if not inames: |
219 |
raise errors.OpPrereqError("Selection filter does not match" |
220 |
" any instances", errors.ECODE_INVAL) |
221 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
222 |
if not (opts.force_multi or not multi_on |
223 |
or _ConfirmOperation(inames, operation)): |
224 |
return 1 |
225 |
jex = JobExecutor(verbose=multi_on, cl=cl, opts=opts) |
226 |
for name in inames: |
227 |
op = fn(name, opts) |
228 |
jex.QueueJob(name, op) |
229 |
jex.WaitOrShow(not opts.submit_only) |
230 |
return 0 |
231 |
return realfn |
232 |
|
233 |
|
234 |
def ListInstances(opts, args): |
235 |
"""List instances and their properties. |
236 |
|
237 |
@param opts: the command line options selected by the user |
238 |
@type args: list |
239 |
@param args: should be an empty list |
240 |
@rtype: int |
241 |
@return: the desired exit code |
242 |
|
243 |
""" |
244 |
if opts.output is None: |
245 |
selected_fields = _LIST_DEF_FIELDS |
246 |
elif opts.output.startswith("+"): |
247 |
selected_fields = _LIST_DEF_FIELDS + opts.output[1:].split(",") |
248 |
else: |
249 |
selected_fields = opts.output.split(",") |
250 |
|
251 |
output = GetClient().QueryInstances(args, selected_fields, opts.do_locking) |
252 |
|
253 |
if not opts.no_headers: |
254 |
headers = { |
255 |
"name": "Instance", "os": "OS", "pnode": "Primary_node", |
256 |
"snodes": "Secondary_Nodes", "admin_state": "Autostart", |
257 |
"oper_state": "Running", |
258 |
"oper_ram": "Memory", "disk_template": "Disk_template", |
259 |
"ip": "IP_address", "mac": "MAC_address", |
260 |
"nic_mode": "NIC_Mode", "nic_link": "NIC_Link", |
261 |
"bridge": "Bridge", |
262 |
"sda_size": "Disk/0", "sdb_size": "Disk/1", |
263 |
"disk_usage": "DiskUsage", |
264 |
"status": "Status", "tags": "Tags", |
265 |
"network_port": "Network_port", |
266 |
"hv/kernel_path": "Kernel_path", |
267 |
"hv/initrd_path": "Initrd_path", |
268 |
"hv/boot_order": "Boot_order", |
269 |
"hv/acpi": "ACPI", |
270 |
"hv/pae": "PAE", |
271 |
"hv/cdrom_image_path": "CDROM_image_path", |
272 |
"hv/nic_type": "NIC_type", |
273 |
"hv/disk_type": "Disk_type", |
274 |
"hv/vnc_bind_address": "VNC_bind_address", |
275 |
"serial_no": "SerialNo", "hypervisor": "Hypervisor", |
276 |
"hvparams": "Hypervisor_parameters", |
277 |
"be/memory": "Configured_memory", |
278 |
"be/vcpus": "VCPUs", |
279 |
"vcpus": "VCPUs", |
280 |
"be/auto_balance": "Auto_balance", |
281 |
"disk.count": "Disks", "disk.sizes": "Disk_sizes", |
282 |
"nic.count": "NICs", "nic.ips": "NIC_IPs", |
283 |
"nic.modes": "NIC_modes", "nic.links": "NIC_links", |
284 |
"nic.bridges": "NIC_bridges", "nic.macs": "NIC_MACs", |
285 |
"ctime": "CTime", "mtime": "MTime", "uuid": "UUID", |
286 |
} |
287 |
else: |
288 |
headers = None |
289 |
|
290 |
unitfields = ["be/memory", "oper_ram", "sd(a|b)_size", "disk\.size/.*"] |
291 |
numfields = ["be/memory", "oper_ram", "sd(a|b)_size", "be/vcpus", |
292 |
"serial_no", "(disk|nic)\.count", "disk\.size/.*"] |
293 |
|
294 |
list_type_fields = ("tags", "disk.sizes", "nic.macs", "nic.ips", |
295 |
"nic.modes", "nic.links", "nic.bridges") |
296 |
# change raw values to nicer strings |
297 |
for row in output: |
298 |
for idx, field in enumerate(selected_fields): |
299 |
val = row[idx] |
300 |
if field == "snodes": |
301 |
val = ",".join(val) or "-" |
302 |
elif field == "admin_state": |
303 |
if val: |
304 |
val = "yes" |
305 |
else: |
306 |
val = "no" |
307 |
elif field == "oper_state": |
308 |
if val is None: |
309 |
val = "(node down)" |
310 |
elif val: # True |
311 |
val = "running" |
312 |
else: |
313 |
val = "stopped" |
314 |
elif field == "oper_ram": |
315 |
if val is None: |
316 |
val = "(node down)" |
317 |
elif field == "sda_size" or field == "sdb_size": |
318 |
if val is None: |
319 |
val = "N/A" |
320 |
elif field == "ctime" or field == "mtime": |
321 |
val = utils.FormatTime(val) |
322 |
elif field in list_type_fields: |
323 |
val = ",".join(str(item) for item in val) |
324 |
elif val is None: |
325 |
val = "-" |
326 |
row[idx] = str(val) |
327 |
|
328 |
data = GenerateTable(separator=opts.separator, headers=headers, |
329 |
fields=selected_fields, unitfields=unitfields, |
330 |
numfields=numfields, data=output, units=opts.units) |
331 |
|
332 |
for line in data: |
333 |
ToStdout(line) |
334 |
|
335 |
return 0 |
336 |
|
337 |
|
338 |
def AddInstance(opts, args): |
339 |
"""Add an instance to the cluster. |
340 |
|
341 |
This is just a wrapper over GenericInstanceCreate. |
342 |
|
343 |
""" |
344 |
return GenericInstanceCreate(constants.INSTANCE_CREATE, opts, args) |
345 |
|
346 |
|
347 |
def BatchCreate(opts, args): |
348 |
"""Create instances using a definition file. |
349 |
|
350 |
This function reads a json file with instances defined |
351 |
in the form:: |
352 |
|
353 |
{"instance-name":{ |
354 |
"disk_size": [20480], |
355 |
"template": "drbd", |
356 |
"backend": { |
357 |
"memory": 512, |
358 |
"vcpus": 1 }, |
359 |
"os": "debootstrap", |
360 |
"primary_node": "firstnode", |
361 |
"secondary_node": "secondnode", |
362 |
"iallocator": "dumb"} |
363 |
} |
364 |
|
365 |
Note that I{primary_node} and I{secondary_node} have precedence over |
366 |
I{iallocator}. |
367 |
|
368 |
@param opts: the command line options selected by the user |
369 |
@type args: list |
370 |
@param args: should contain one element, the json filename |
371 |
@rtype: int |
372 |
@return: the desired exit code |
373 |
|
374 |
""" |
375 |
_DEFAULT_SPECS = {"disk_size": [20 * 1024], |
376 |
"backend": {}, |
377 |
"iallocator": None, |
378 |
"primary_node": None, |
379 |
"secondary_node": None, |
380 |
"nics": None, |
381 |
"start": True, |
382 |
"ip_check": True, |
383 |
"name_check": True, |
384 |
"hypervisor": None, |
385 |
"hvparams": {}, |
386 |
"file_storage_dir": None, |
387 |
"file_driver": 'loop'} |
388 |
|
389 |
def _PopulateWithDefaults(spec): |
390 |
"""Returns a new hash combined with default values.""" |
391 |
mydict = _DEFAULT_SPECS.copy() |
392 |
mydict.update(spec) |
393 |
return mydict |
394 |
|
395 |
def _Validate(spec): |
396 |
"""Validate the instance specs.""" |
397 |
# Validate fields required under any circumstances |
398 |
for required_field in ('os', 'template'): |
399 |
if required_field not in spec: |
400 |
raise errors.OpPrereqError('Required field "%s" is missing.' % |
401 |
required_field, errors.ECODE_INVAL) |
402 |
# Validate special fields |
403 |
if spec['primary_node'] is not None: |
404 |
if (spec['template'] in constants.DTS_NET_MIRROR and |
405 |
spec['secondary_node'] is None): |
406 |
raise errors.OpPrereqError('Template requires secondary node, but' |
407 |
' there was no secondary provided.', |
408 |
errors.ECODE_INVAL) |
409 |
elif spec['iallocator'] is None: |
410 |
raise errors.OpPrereqError('You have to provide at least a primary_node' |
411 |
' or an iallocator.', |
412 |
errors.ECODE_INVAL) |
413 |
|
414 |
if (spec['hvparams'] and |
415 |
not isinstance(spec['hvparams'], dict)): |
416 |
raise errors.OpPrereqError('Hypervisor parameters must be a dict.', |
417 |
errors.ECODE_INVAL) |
418 |
|
419 |
json_filename = args[0] |
420 |
try: |
421 |
instance_data = simplejson.loads(utils.ReadFile(json_filename)) |
422 |
except Exception, err: # pylint: disable-msg=W0703 |
423 |
ToStderr("Can't parse the instance definition file: %s" % str(err)) |
424 |
return 1 |
425 |
|
426 |
jex = JobExecutor(opts=opts) |
427 |
|
428 |
# Iterate over the instances and do: |
429 |
# * Populate the specs with default value |
430 |
# * Validate the instance specs |
431 |
i_names = utils.NiceSort(instance_data.keys()) |
432 |
for name in i_names: |
433 |
specs = instance_data[name] |
434 |
specs = _PopulateWithDefaults(specs) |
435 |
_Validate(specs) |
436 |
|
437 |
hypervisor = specs['hypervisor'] |
438 |
hvparams = specs['hvparams'] |
439 |
|
440 |
disks = [] |
441 |
for elem in specs['disk_size']: |
442 |
try: |
443 |
size = utils.ParseUnit(elem) |
444 |
except (TypeError, ValueError), err: |
445 |
raise errors.OpPrereqError("Invalid disk size '%s' for" |
446 |
" instance %s: %s" % |
447 |
(elem, name, err), errors.ECODE_INVAL) |
448 |
disks.append({"size": size}) |
449 |
|
450 |
utils.ForceDictType(specs['backend'], constants.BES_PARAMETER_TYPES) |
451 |
utils.ForceDictType(hvparams, constants.HVS_PARAMETER_TYPES) |
452 |
|
453 |
tmp_nics = [] |
454 |
for field in ('ip', 'mac', 'mode', 'link', 'bridge'): |
455 |
if field in specs: |
456 |
if not tmp_nics: |
457 |
tmp_nics.append({}) |
458 |
tmp_nics[0][field] = specs[field] |
459 |
|
460 |
if specs['nics'] is not None and tmp_nics: |
461 |
raise errors.OpPrereqError("'nics' list incompatible with using" |
462 |
" individual nic fields as well", |
463 |
errors.ECODE_INVAL) |
464 |
elif specs['nics'] is not None: |
465 |
tmp_nics = specs['nics'] |
466 |
elif not tmp_nics: |
467 |
tmp_nics = [{}] |
468 |
|
469 |
op = opcodes.OpCreateInstance(instance_name=name, |
470 |
disks=disks, |
471 |
disk_template=specs['template'], |
472 |
mode=constants.INSTANCE_CREATE, |
473 |
os_type=specs['os'], |
474 |
force_variant=opts.force_variant, |
475 |
pnode=specs['primary_node'], |
476 |
snode=specs['secondary_node'], |
477 |
nics=tmp_nics, |
478 |
start=specs['start'], |
479 |
ip_check=specs['ip_check'], |
480 |
name_check=specs['name_check'], |
481 |
wait_for_sync=True, |
482 |
iallocator=specs['iallocator'], |
483 |
hypervisor=hypervisor, |
484 |
hvparams=hvparams, |
485 |
beparams=specs['backend'], |
486 |
file_storage_dir=specs['file_storage_dir'], |
487 |
file_driver=specs['file_driver']) |
488 |
|
489 |
jex.QueueJob(name, op) |
490 |
# we never want to wait, just show the submitted job IDs |
491 |
jex.WaitOrShow(False) |
492 |
|
493 |
return 0 |
494 |
|
495 |
|
496 |
def ReinstallInstance(opts, args): |
497 |
"""Reinstall an instance. |
498 |
|
499 |
@param opts: the command line options selected by the user |
500 |
@type args: list |
501 |
@param args: should contain only one element, the name of the |
502 |
instance to be reinstalled |
503 |
@rtype: int |
504 |
@return: the desired exit code |
505 |
|
506 |
""" |
507 |
# first, compute the desired name list |
508 |
if opts.multi_mode is None: |
509 |
opts.multi_mode = _SHUTDOWN_INSTANCES |
510 |
|
511 |
inames = _ExpandMultiNames(opts.multi_mode, args) |
512 |
if not inames: |
513 |
raise errors.OpPrereqError("Selection filter does not match any instances", |
514 |
errors.ECODE_INVAL) |
515 |
|
516 |
# second, if requested, ask for an OS |
517 |
if opts.select_os is True: |
518 |
op = opcodes.OpDiagnoseOS(output_fields=["name", "valid", "variants"], |
519 |
names=[]) |
520 |
result = SubmitOpCode(op, opts=opts) |
521 |
|
522 |
if not result: |
523 |
ToStdout("Can't get the OS list") |
524 |
return 1 |
525 |
|
526 |
ToStdout("Available OS templates:") |
527 |
number = 0 |
528 |
choices = [] |
529 |
for (name, valid, variants) in result: |
530 |
if valid: |
531 |
for entry in CalculateOSNames(name, variants): |
532 |
ToStdout("%3s: %s", number, entry) |
533 |
choices.append(("%s" % number, entry, entry)) |
534 |
number += 1 |
535 |
|
536 |
choices.append(('x', 'exit', 'Exit gnt-instance reinstall')) |
537 |
selected = AskUser("Enter OS template number (or x to abort):", |
538 |
choices) |
539 |
|
540 |
if selected == 'exit': |
541 |
ToStderr("User aborted reinstall, exiting") |
542 |
return 1 |
543 |
|
544 |
os_name = selected |
545 |
else: |
546 |
os_name = opts.os |
547 |
|
548 |
# third, get confirmation: multi-reinstall requires --force-multi |
549 |
# *and* --force, single-reinstall just --force |
550 |
multi_on = opts.multi_mode != _SHUTDOWN_INSTANCES or len(inames) > 1 |
551 |
if multi_on: |
552 |
warn_msg = "Note: this will remove *all* data for the below instances!\n" |
553 |
if not ((opts.force_multi and opts.force) or |
554 |
_ConfirmOperation(inames, "reinstall", extra=warn_msg)): |
555 |
return 1 |
556 |
else: |
557 |
if not opts.force: |
558 |
usertext = ("This will reinstall the instance %s and remove" |
559 |
" all data. Continue?") % inames[0] |
560 |
if not AskUser(usertext): |
561 |
return 1 |
562 |
|
563 |
jex = JobExecutor(verbose=multi_on, opts=opts) |
564 |
for instance_name in inames: |
565 |
op = opcodes.OpReinstallInstance(instance_name=instance_name, |
566 |
os_type=os_name, |
567 |
force_variant=opts.force_variant) |
568 |
jex.QueueJob(instance_name, op) |
569 |
|
570 |
jex.WaitOrShow(not opts.submit_only) |
571 |
return 0 |
572 |
|
573 |
|
574 |
def RemoveInstance(opts, args): |
575 |
"""Remove an instance. |
576 |
|
577 |
@param opts: the command line options selected by the user |
578 |
@type args: list |
579 |
@param args: should contain only one element, the name of |
580 |
the instance to be removed |
581 |
@rtype: int |
582 |
@return: the desired exit code |
583 |
|
584 |
""" |
585 |
instance_name = args[0] |
586 |
force = opts.force |
587 |
cl = GetClient() |
588 |
|
589 |
if not force: |
590 |
_EnsureInstancesExist(cl, [instance_name]) |
591 |
|
592 |
usertext = ("This will remove the volumes of the instance %s" |
593 |
" (including mirrors), thus removing all the data" |
594 |
" of the instance. Continue?") % instance_name |
595 |
if not AskUser(usertext): |
596 |
return 1 |
597 |
|
598 |
op = opcodes.OpRemoveInstance(instance_name=instance_name, |
599 |
ignore_failures=opts.ignore_failures, |
600 |
shutdown_timeout=opts.shutdown_timeout) |
601 |
SubmitOrSend(op, opts, cl=cl) |
602 |
return 0 |
603 |
|
604 |
|
605 |
def RenameInstance(opts, args): |
606 |
"""Rename an instance. |
607 |
|
608 |
@param opts: the command line options selected by the user |
609 |
@type args: list |
610 |
@param args: should contain two elements, the old and the |
611 |
new instance names |
612 |
@rtype: int |
613 |
@return: the desired exit code |
614 |
|
615 |
""" |
616 |
op = opcodes.OpRenameInstance(instance_name=args[0], |
617 |
new_name=args[1], |
618 |
ignore_ip=not opts.ip_check) |
619 |
SubmitOrSend(op, opts) |
620 |
return 0 |
621 |
|
622 |
|
623 |
def ActivateDisks(opts, args): |
624 |
"""Activate an instance's disks. |
625 |
|
626 |
This serves two purposes: |
627 |
- it allows (as long as the instance is not running) |
628 |
mounting the disks and modifying them from the node |
629 |
- it repairs inactive secondary drbds |
630 |
|
631 |
@param opts: the command line options selected by the user |
632 |
@type args: list |
633 |
@param args: should contain only one element, the instance name |
634 |
@rtype: int |
635 |
@return: the desired exit code |
636 |
|
637 |
""" |
638 |
instance_name = args[0] |
639 |
op = opcodes.OpActivateInstanceDisks(instance_name=instance_name, |
640 |
ignore_size=opts.ignore_size) |
641 |
disks_info = SubmitOrSend(op, opts) |
642 |
for host, iname, nname in disks_info: |
643 |
ToStdout("%s:%s:%s", host, iname, nname) |
644 |
return 0 |
645 |
|
646 |
|
647 |
def DeactivateDisks(opts, args): |
648 |
"""Deactivate an instance's disks. |
649 |
|
650 |
This function takes the instance name, looks for its primary node |
651 |
and the tries to shutdown its block devices on that node. |
652 |
|
653 |
@param opts: the command line options selected by the user |
654 |
@type args: list |
655 |
@param args: should contain only one element, the instance name |
656 |
@rtype: int |
657 |
@return: the desired exit code |
658 |
|
659 |
""" |
660 |
instance_name = args[0] |
661 |
op = opcodes.OpDeactivateInstanceDisks(instance_name=instance_name) |
662 |
SubmitOrSend(op, opts) |
663 |
return 0 |
664 |
|
665 |
|
666 |
def RecreateDisks(opts, args): |
667 |
"""Recreate an instance's disks. |
668 |
|
669 |
@param opts: the command line options selected by the user |
670 |
@type args: list |
671 |
@param args: should contain only one element, the instance name |
672 |
@rtype: int |
673 |
@return: the desired exit code |
674 |
|
675 |
""" |
676 |
instance_name = args[0] |
677 |
if opts.disks: |
678 |
try: |
679 |
opts.disks = [int(v) for v in opts.disks.split(",")] |
680 |
except (ValueError, TypeError), err: |
681 |
ToStderr("Invalid disks value: %s" % str(err)) |
682 |
return 1 |
683 |
else: |
684 |
opts.disks = [] |
685 |
|
686 |
op = opcodes.OpRecreateInstanceDisks(instance_name=instance_name, |
687 |
disks=opts.disks) |
688 |
SubmitOrSend(op, opts) |
689 |
return 0 |
690 |
|
691 |
|
692 |
def GrowDisk(opts, args): |
693 |
"""Grow an instance's disks. |
694 |
|
695 |
@param opts: the command line options selected by the user |
696 |
@type args: list |
697 |
@param args: should contain two elements, the instance name |
698 |
whose disks we grow and the disk name, e.g. I{sda} |
699 |
@rtype: int |
700 |
@return: the desired exit code |
701 |
|
702 |
""" |
703 |
instance = args[0] |
704 |
disk = args[1] |
705 |
try: |
706 |
disk = int(disk) |
707 |
except (TypeError, ValueError), err: |
708 |
raise errors.OpPrereqError("Invalid disk index: %s" % str(err), |
709 |
errors.ECODE_INVAL) |
710 |
amount = utils.ParseUnit(args[2]) |
711 |
op = opcodes.OpGrowDisk(instance_name=instance, disk=disk, amount=amount, |
712 |
wait_for_sync=opts.wait_for_sync) |
713 |
SubmitOrSend(op, opts) |
714 |
return 0 |
715 |
|
716 |
|
717 |
def _StartupInstance(name, opts): |
718 |
"""Startup instances. |
719 |
|
720 |
This returns the opcode to start an instance, and its decorator will |
721 |
wrap this into a loop starting all desired instances. |
722 |
|
723 |
@param name: the name of the instance to act on |
724 |
@param opts: the command line options selected by the user |
725 |
@return: the opcode needed for the operation |
726 |
|
727 |
""" |
728 |
op = opcodes.OpStartupInstance(instance_name=name, |
729 |
force=opts.force) |
730 |
# do not add these parameters to the opcode unless they're defined |
731 |
if opts.hvparams: |
732 |
op.hvparams = opts.hvparams |
733 |
if opts.beparams: |
734 |
op.beparams = opts.beparams |
735 |
return op |
736 |
|
737 |
|
738 |
def _RebootInstance(name, opts): |
739 |
"""Reboot instance(s). |
740 |
|
741 |
This returns the opcode to reboot an instance, and its decorator |
742 |
will wrap this into a loop rebooting all desired instances. |
743 |
|
744 |
@param name: the name of the instance to act on |
745 |
@param opts: the command line options selected by the user |
746 |
@return: the opcode needed for the operation |
747 |
|
748 |
""" |
749 |
return opcodes.OpRebootInstance(instance_name=name, |
750 |
reboot_type=opts.reboot_type, |
751 |
ignore_secondaries=opts.ignore_secondaries, |
752 |
shutdown_timeout=opts.shutdown_timeout) |
753 |
|
754 |
|
755 |
def _ShutdownInstance(name, opts): |
756 |
"""Shutdown an instance. |
757 |
|
758 |
This returns the opcode to shutdown an instance, and its decorator |
759 |
will wrap this into a loop shutting down all desired instances. |
760 |
|
761 |
@param name: the name of the instance to act on |
762 |
@param opts: the command line options selected by the user |
763 |
@return: the opcode needed for the operation |
764 |
|
765 |
""" |
766 |
return opcodes.OpShutdownInstance(instance_name=name, |
767 |
timeout=opts.timeout) |
768 |
|
769 |
|
770 |
def ReplaceDisks(opts, args): |
771 |
"""Replace the disks of an instance |
772 |
|
773 |
@param opts: the command line options selected by the user |
774 |
@type args: list |
775 |
@param args: should contain only one element, the instance name |
776 |
@rtype: int |
777 |
@return: the desired exit code |
778 |
|
779 |
""" |
780 |
new_2ndary = opts.dst_node |
781 |
iallocator = opts.iallocator |
782 |
if opts.disks is None: |
783 |
disks = [] |
784 |
else: |
785 |
try: |
786 |
disks = [int(i) for i in opts.disks.split(",")] |
787 |
except (TypeError, ValueError), err: |
788 |
raise errors.OpPrereqError("Invalid disk index passed: %s" % str(err), |
789 |
errors.ECODE_INVAL) |
790 |
cnt = [opts.on_primary, opts.on_secondary, opts.auto, |
791 |
new_2ndary is not None, iallocator is not None].count(True) |
792 |
if cnt != 1: |
793 |
raise errors.OpPrereqError("One and only one of the -p, -s, -a, -n and -i" |
794 |
" options must be passed", errors.ECODE_INVAL) |
795 |
elif opts.on_primary: |
796 |
mode = constants.REPLACE_DISK_PRI |
797 |
elif opts.on_secondary: |
798 |
mode = constants.REPLACE_DISK_SEC |
799 |
elif opts.auto: |
800 |
mode = constants.REPLACE_DISK_AUTO |
801 |
if disks: |
802 |
raise errors.OpPrereqError("Cannot specify disks when using automatic" |
803 |
" mode", errors.ECODE_INVAL) |
804 |
elif new_2ndary is not None or iallocator is not None: |
805 |
# replace secondary |
806 |
mode = constants.REPLACE_DISK_CHG |
807 |
|
808 |
op = opcodes.OpReplaceDisks(instance_name=args[0], disks=disks, |
809 |
remote_node=new_2ndary, mode=mode, |
810 |
iallocator=iallocator, |
811 |
early_release=opts.early_release) |
812 |
SubmitOrSend(op, opts) |
813 |
return 0 |
814 |
|
815 |
|
816 |
def FailoverInstance(opts, args): |
817 |
"""Failover an instance. |
818 |
|
819 |
The failover is done by shutting it down on its present node and |
820 |
starting it on the secondary. |
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 |
_EnsureInstancesExist(cl, [instance_name]) |
835 |
|
836 |
usertext = ("Failover will happen to image %s." |
837 |
" This requires a shutdown of the instance. Continue?" % |
838 |
(instance_name,)) |
839 |
if not AskUser(usertext): |
840 |
return 1 |
841 |
|
842 |
op = opcodes.OpFailoverInstance(instance_name=instance_name, |
843 |
ignore_consistency=opts.ignore_consistency, |
844 |
shutdown_timeout=opts.shutdown_timeout) |
845 |
SubmitOrSend(op, opts, cl=cl) |
846 |
return 0 |
847 |
|
848 |
|
849 |
def MigrateInstance(opts, args): |
850 |
"""Migrate an instance. |
851 |
|
852 |
The migrate is done without shutdown. |
853 |
|
854 |
@param opts: the command line options selected by the user |
855 |
@type args: list |
856 |
@param args: should contain only one element, the instance name |
857 |
@rtype: int |
858 |
@return: the desired exit code |
859 |
|
860 |
""" |
861 |
cl = GetClient() |
862 |
instance_name = args[0] |
863 |
force = opts.force |
864 |
|
865 |
if not force: |
866 |
_EnsureInstancesExist(cl, [instance_name]) |
867 |
|
868 |
if opts.cleanup: |
869 |
usertext = ("Instance %s will be recovered from a failed migration." |
870 |
" Note that the migration procedure (including cleanup)" % |
871 |
(instance_name,)) |
872 |
else: |
873 |
usertext = ("Instance %s will be migrated. Note that migration" % |
874 |
(instance_name,)) |
875 |
usertext += (" is **experimental** in this version." |
876 |
" This might impact the instance if anything goes wrong." |
877 |
" Continue?") |
878 |
if not AskUser(usertext): |
879 |
return 1 |
880 |
|
881 |
op = opcodes.OpMigrateInstance(instance_name=instance_name, live=opts.live, |
882 |
cleanup=opts.cleanup) |
883 |
SubmitOpCode(op, cl=cl, opts=opts) |
884 |
return 0 |
885 |
|
886 |
|
887 |
def MoveInstance(opts, args): |
888 |
"""Move an instance. |
889 |
|
890 |
@param opts: the command line options selected by the user |
891 |
@type args: list |
892 |
@param args: should contain only one element, the instance name |
893 |
@rtype: int |
894 |
@return: the desired exit code |
895 |
|
896 |
""" |
897 |
cl = GetClient() |
898 |
instance_name = args[0] |
899 |
force = opts.force |
900 |
|
901 |
if not force: |
902 |
usertext = ("Instance %s will be moved." |
903 |
" This requires a shutdown of the instance. Continue?" % |
904 |
(instance_name,)) |
905 |
if not AskUser(usertext): |
906 |
return 1 |
907 |
|
908 |
op = opcodes.OpMoveInstance(instance_name=instance_name, |
909 |
target_node=opts.node, |
910 |
shutdown_timeout=opts.shutdown_timeout) |
911 |
SubmitOrSend(op, opts, cl=cl) |
912 |
return 0 |
913 |
|
914 |
|
915 |
def ConnectToInstanceConsole(opts, args): |
916 |
"""Connect to the console of an instance. |
917 |
|
918 |
@param opts: the command line options selected by the user |
919 |
@type args: list |
920 |
@param args: should contain only one element, the instance name |
921 |
@rtype: int |
922 |
@return: the desired exit code |
923 |
|
924 |
""" |
925 |
instance_name = args[0] |
926 |
|
927 |
op = opcodes.OpConnectConsole(instance_name=instance_name) |
928 |
cmd = SubmitOpCode(op, opts=opts) |
929 |
|
930 |
if opts.show_command: |
931 |
ToStdout("%s", utils.ShellQuoteArgs(cmd)) |
932 |
else: |
933 |
try: |
934 |
os.execvp(cmd[0], cmd) |
935 |
finally: |
936 |
ToStderr("Can't run console command %s with arguments:\n'%s'", |
937 |
cmd[0], " ".join(cmd)) |
938 |
os._exit(1) # pylint: disable-msg=W0212 |
939 |
|
940 |
|
941 |
def _FormatLogicalID(dev_type, logical_id): |
942 |
"""Formats the logical_id of a disk. |
943 |
|
944 |
""" |
945 |
if dev_type == constants.LD_DRBD8: |
946 |
node_a, node_b, port, minor_a, minor_b, key = logical_id |
947 |
data = [ |
948 |
("nodeA", "%s, minor=%s" % (node_a, minor_a)), |
949 |
("nodeB", "%s, minor=%s" % (node_b, minor_b)), |
950 |
("port", port), |
951 |
("auth key", key), |
952 |
] |
953 |
elif dev_type == constants.LD_LV: |
954 |
vg_name, lv_name = logical_id |
955 |
data = ["%s/%s" % (vg_name, lv_name)] |
956 |
else: |
957 |
data = [str(logical_id)] |
958 |
|
959 |
return data |
960 |
|
961 |
|
962 |
def _FormatBlockDevInfo(idx, top_level, dev, static): |
963 |
"""Show block device information. |
964 |
|
965 |
This is only used by L{ShowInstanceConfig}, but it's too big to be |
966 |
left for an inline definition. |
967 |
|
968 |
@type idx: int |
969 |
@param idx: the index of the current disk |
970 |
@type top_level: boolean |
971 |
@param top_level: if this a top-level disk? |
972 |
@type dev: dict |
973 |
@param dev: dictionary with disk information |
974 |
@type static: boolean |
975 |
@param static: wheter the device information doesn't contain |
976 |
runtime information but only static data |
977 |
@return: a list of either strings, tuples or lists |
978 |
(which should be formatted at a higher indent level) |
979 |
|
980 |
""" |
981 |
def helper(dtype, status): |
982 |
"""Format one line for physical device status. |
983 |
|
984 |
@type dtype: str |
985 |
@param dtype: a constant from the L{constants.LDS_BLOCK} set |
986 |
@type status: tuple |
987 |
@param status: a tuple as returned from L{backend.FindBlockDevice} |
988 |
@return: the string representing the status |
989 |
|
990 |
""" |
991 |
if not status: |
992 |
return "not active" |
993 |
txt = "" |
994 |
(path, major, minor, syncp, estt, degr, ldisk_status) = status |
995 |
if major is None: |
996 |
major_string = "N/A" |
997 |
else: |
998 |
major_string = str(major) |
999 |
|
1000 |
if minor is None: |
1001 |
minor_string = "N/A" |
1002 |
else: |
1003 |
minor_string = str(minor) |
1004 |
|
1005 |
txt += ("%s (%s:%s)" % (path, major_string, minor_string)) |
1006 |
if dtype in (constants.LD_DRBD8, ): |
1007 |
if syncp is not None: |
1008 |
sync_text = "*RECOVERING* %5.2f%%," % syncp |
1009 |
if estt: |
1010 |
sync_text += " ETA %ds" % estt |
1011 |
else: |
1012 |
sync_text += " ETA unknown" |
1013 |
else: |
1014 |
sync_text = "in sync" |
1015 |
if degr: |
1016 |
degr_text = "*DEGRADED*" |
1017 |
else: |
1018 |
degr_text = "ok" |
1019 |
if ldisk_status == constants.LDS_FAULTY: |
1020 |
ldisk_text = " *MISSING DISK*" |
1021 |
elif ldisk_status == constants.LDS_UNKNOWN: |
1022 |
ldisk_text = " *UNCERTAIN STATE*" |
1023 |
else: |
1024 |
ldisk_text = "" |
1025 |
txt += (" %s, status %s%s" % (sync_text, degr_text, ldisk_text)) |
1026 |
elif dtype == constants.LD_LV: |
1027 |
if ldisk_status == constants.LDS_FAULTY: |
1028 |
ldisk_text = " *FAILED* (failed drive?)" |
1029 |
else: |
1030 |
ldisk_text = "" |
1031 |
txt += ldisk_text |
1032 |
return txt |
1033 |
|
1034 |
# the header |
1035 |
if top_level: |
1036 |
if dev["iv_name"] is not None: |
1037 |
txt = dev["iv_name"] |
1038 |
else: |
1039 |
txt = "disk %d" % idx |
1040 |
else: |
1041 |
txt = "child %d" % idx |
1042 |
if isinstance(dev["size"], int): |
1043 |
nice_size = utils.FormatUnit(dev["size"], "h") |
1044 |
else: |
1045 |
nice_size = dev["size"] |
1046 |
d1 = ["- %s: %s, size %s" % (txt, dev["dev_type"], nice_size)] |
1047 |
data = [] |
1048 |
if top_level: |
1049 |
data.append(("access mode", dev["mode"])) |
1050 |
if dev["logical_id"] is not None: |
1051 |
try: |
1052 |
l_id = _FormatLogicalID(dev["dev_type"], dev["logical_id"]) |
1053 |
except ValueError: |
1054 |
l_id = [str(dev["logical_id"])] |
1055 |
if len(l_id) == 1: |
1056 |
data.append(("logical_id", l_id[0])) |
1057 |
else: |
1058 |
data.extend(l_id) |
1059 |
elif dev["physical_id"] is not None: |
1060 |
data.append("physical_id:") |
1061 |
data.append([dev["physical_id"]]) |
1062 |
if not static: |
1063 |
data.append(("on primary", helper(dev["dev_type"], dev["pstatus"]))) |
1064 |
if dev["sstatus"] and not static: |
1065 |
data.append(("on secondary", helper(dev["dev_type"], dev["sstatus"]))) |
1066 |
|
1067 |
if dev["children"]: |
1068 |
data.append("child devices:") |
1069 |
for c_idx, child in enumerate(dev["children"]): |
1070 |
data.append(_FormatBlockDevInfo(c_idx, False, child, static)) |
1071 |
d1.append(data) |
1072 |
return d1 |
1073 |
|
1074 |
|
1075 |
def _FormatList(buf, data, indent_level): |
1076 |
"""Formats a list of data at a given indent level. |
1077 |
|
1078 |
If the element of the list is: |
1079 |
- a string, it is simply formatted as is |
1080 |
- a tuple, it will be split into key, value and the all the |
1081 |
values in a list will be aligned all at the same start column |
1082 |
- a list, will be recursively formatted |
1083 |
|
1084 |
@type buf: StringIO |
1085 |
@param buf: the buffer into which we write the output |
1086 |
@param data: the list to format |
1087 |
@type indent_level: int |
1088 |
@param indent_level: the indent level to format at |
1089 |
|
1090 |
""" |
1091 |
max_tlen = max([len(elem[0]) for elem in data |
1092 |
if isinstance(elem, tuple)] or [0]) |
1093 |
for elem in data: |
1094 |
if isinstance(elem, basestring): |
1095 |
buf.write("%*s%s\n" % (2*indent_level, "", elem)) |
1096 |
elif isinstance(elem, tuple): |
1097 |
key, value = elem |
1098 |
spacer = "%*s" % (max_tlen - len(key), "") |
1099 |
buf.write("%*s%s:%s %s\n" % (2*indent_level, "", key, spacer, value)) |
1100 |
elif isinstance(elem, list): |
1101 |
_FormatList(buf, elem, indent_level+1) |
1102 |
|
1103 |
|
1104 |
def ShowInstanceConfig(opts, args): |
1105 |
"""Compute instance run-time status. |
1106 |
|
1107 |
@param opts: the command line options selected by the user |
1108 |
@type args: list |
1109 |
@param args: either an empty list, and then we query all |
1110 |
instances, or should contain a list of instance names |
1111 |
@rtype: int |
1112 |
@return: the desired exit code |
1113 |
|
1114 |
""" |
1115 |
if not args and not opts.show_all: |
1116 |
ToStderr("No instance selected." |
1117 |
" Please pass in --all if you want to query all instances.\n" |
1118 |
"Note that this can take a long time on a big cluster.") |
1119 |
return 1 |
1120 |
elif args and opts.show_all: |
1121 |
ToStderr("Cannot use --all if you specify instance names.") |
1122 |
return 1 |
1123 |
|
1124 |
retcode = 0 |
1125 |
op = opcodes.OpQueryInstanceData(instances=args, static=opts.static) |
1126 |
result = SubmitOpCode(op, opts=opts) |
1127 |
if not result: |
1128 |
ToStdout("No instances.") |
1129 |
return 1 |
1130 |
|
1131 |
buf = StringIO() |
1132 |
retcode = 0 |
1133 |
for instance_name in result: |
1134 |
instance = result[instance_name] |
1135 |
buf.write("Instance name: %s\n" % instance["name"]) |
1136 |
buf.write("UUID: %s\n" % instance["uuid"]) |
1137 |
buf.write("Serial number: %s\n" % instance["serial_no"]) |
1138 |
buf.write("Creation time: %s\n" % utils.FormatTime(instance["ctime"])) |
1139 |
buf.write("Modification time: %s\n" % utils.FormatTime(instance["mtime"])) |
1140 |
buf.write("State: configured to be %s" % instance["config_state"]) |
1141 |
if not opts.static: |
1142 |
buf.write(", actual state is %s" % instance["run_state"]) |
1143 |
buf.write("\n") |
1144 |
##buf.write("Considered for memory checks in cluster verify: %s\n" % |
1145 |
## instance["auto_balance"]) |
1146 |
buf.write(" Nodes:\n") |
1147 |
buf.write(" - primary: %s\n" % instance["pnode"]) |
1148 |
buf.write(" - secondaries: %s\n" % utils.CommaJoin(instance["snodes"])) |
1149 |
buf.write(" Operating system: %s\n" % instance["os"]) |
1150 |
if instance.has_key("network_port"): |
1151 |
buf.write(" Allocated network port: %s\n" % instance["network_port"]) |
1152 |
buf.write(" Hypervisor: %s\n" % instance["hypervisor"]) |
1153 |
|
1154 |
# custom VNC console information |
1155 |
vnc_bind_address = instance["hv_actual"].get(constants.HV_VNC_BIND_ADDRESS, |
1156 |
None) |
1157 |
if vnc_bind_address: |
1158 |
port = instance["network_port"] |
1159 |
display = int(port) - constants.VNC_BASE_PORT |
1160 |
if display > 0 and vnc_bind_address == constants.BIND_ADDRESS_GLOBAL: |
1161 |
vnc_console_port = "%s:%s (display %s)" % (instance["pnode"], |
1162 |
port, |
1163 |
display) |
1164 |
elif display > 0 and utils.IsValidIP(vnc_bind_address): |
1165 |
vnc_console_port = ("%s:%s (node %s) (display %s)" % |
1166 |
(vnc_bind_address, port, |
1167 |
instance["pnode"], display)) |
1168 |
else: |
1169 |
# vnc bind address is a file |
1170 |
vnc_console_port = "%s:%s" % (instance["pnode"], |
1171 |
vnc_bind_address) |
1172 |
buf.write(" - console connection: vnc to %s\n" % vnc_console_port) |
1173 |
|
1174 |
for key in instance["hv_actual"]: |
1175 |
if key in instance["hv_instance"]: |
1176 |
val = instance["hv_instance"][key] |
1177 |
else: |
1178 |
val = "default (%s)" % instance["hv_actual"][key] |
1179 |
buf.write(" - %s: %s\n" % (key, val)) |
1180 |
buf.write(" Hardware:\n") |
1181 |
buf.write(" - VCPUs: %d\n" % |
1182 |
instance["be_actual"][constants.BE_VCPUS]) |
1183 |
buf.write(" - memory: %dMiB\n" % |
1184 |
instance["be_actual"][constants.BE_MEMORY]) |
1185 |
buf.write(" - NICs:\n") |
1186 |
for idx, (ip, mac, mode, link) in enumerate(instance["nics"]): |
1187 |
buf.write(" - nic/%d: MAC: %s, IP: %s, mode: %s, link: %s\n" % |
1188 |
(idx, mac, ip, mode, link)) |
1189 |
buf.write(" Disks:\n") |
1190 |
|
1191 |
for idx, device in enumerate(instance["disks"]): |
1192 |
_FormatList(buf, _FormatBlockDevInfo(idx, True, device, opts.static), 2) |
1193 |
|
1194 |
ToStdout(buf.getvalue().rstrip('\n')) |
1195 |
return retcode |
1196 |
|
1197 |
|
1198 |
def SetInstanceParams(opts, args): |
1199 |
"""Modifies an instance. |
1200 |
|
1201 |
All parameters take effect only at the next restart of the instance. |
1202 |
|
1203 |
@param opts: the command line options selected by the user |
1204 |
@type args: list |
1205 |
@param args: should contain only one element, the instance name |
1206 |
@rtype: int |
1207 |
@return: the desired exit code |
1208 |
|
1209 |
""" |
1210 |
if not (opts.nics or opts.disks or opts.disk_template or |
1211 |
opts.hvparams or opts.beparams): |
1212 |
ToStderr("Please give at least one of the parameters.") |
1213 |
return 1 |
1214 |
|
1215 |
for param in opts.beparams: |
1216 |
if isinstance(opts.beparams[param], basestring): |
1217 |
if opts.beparams[param].lower() == "default": |
1218 |
opts.beparams[param] = constants.VALUE_DEFAULT |
1219 |
|
1220 |
utils.ForceDictType(opts.beparams, constants.BES_PARAMETER_TYPES, |
1221 |
allowed_values=[constants.VALUE_DEFAULT]) |
1222 |
|
1223 |
for param in opts.hvparams: |
1224 |
if isinstance(opts.hvparams[param], basestring): |
1225 |
if opts.hvparams[param].lower() == "default": |
1226 |
opts.hvparams[param] = constants.VALUE_DEFAULT |
1227 |
|
1228 |
utils.ForceDictType(opts.hvparams, constants.HVS_PARAMETER_TYPES, |
1229 |
allowed_values=[constants.VALUE_DEFAULT]) |
1230 |
|
1231 |
for idx, (nic_op, nic_dict) in enumerate(opts.nics): |
1232 |
try: |
1233 |
nic_op = int(nic_op) |
1234 |
opts.nics[idx] = (nic_op, nic_dict) |
1235 |
except (TypeError, ValueError): |
1236 |
pass |
1237 |
|
1238 |
for idx, (disk_op, disk_dict) in enumerate(opts.disks): |
1239 |
try: |
1240 |
disk_op = int(disk_op) |
1241 |
opts.disks[idx] = (disk_op, disk_dict) |
1242 |
except (TypeError, ValueError): |
1243 |
pass |
1244 |
if disk_op == constants.DDM_ADD: |
1245 |
if 'size' not in disk_dict: |
1246 |
raise errors.OpPrereqError("Missing required parameter 'size'", |
1247 |
errors.ECODE_INVAL) |
1248 |
disk_dict['size'] = utils.ParseUnit(disk_dict['size']) |
1249 |
|
1250 |
if (opts.disk_template and |
1251 |
opts.disk_template in constants.DTS_NET_MIRROR and |
1252 |
not opts.node): |
1253 |
ToStderr("Changing the disk template to a mirrored one requires" |
1254 |
" specifying a secondary node") |
1255 |
return 1 |
1256 |
|
1257 |
op = opcodes.OpSetInstanceParams(instance_name=args[0], |
1258 |
nics=opts.nics, |
1259 |
disks=opts.disks, |
1260 |
disk_template=opts.disk_template, |
1261 |
remote_node=opts.node, |
1262 |
hvparams=opts.hvparams, |
1263 |
beparams=opts.beparams, |
1264 |
force=opts.force) |
1265 |
|
1266 |
# even if here we process the result, we allow submit only |
1267 |
result = SubmitOrSend(op, opts) |
1268 |
|
1269 |
if result: |
1270 |
ToStdout("Modified instance %s", args[0]) |
1271 |
for param, data in result: |
1272 |
ToStdout(" - %-5s -> %s", param, data) |
1273 |
ToStdout("Please don't forget that most parameters take effect" |
1274 |
" only at the next start of the instance.") |
1275 |
return 0 |
1276 |
|
1277 |
|
1278 |
# multi-instance selection options |
1279 |
m_force_multi = cli_option("--force-multiple", dest="force_multi", |
1280 |
help="Do not ask for confirmation when more than" |
1281 |
" one instance is affected", |
1282 |
action="store_true", default=False) |
1283 |
|
1284 |
m_pri_node_opt = cli_option("--primary", dest="multi_mode", |
1285 |
help="Filter by nodes (primary only)", |
1286 |
const=_SHUTDOWN_NODES_PRI, action="store_const") |
1287 |
|
1288 |
m_sec_node_opt = cli_option("--secondary", dest="multi_mode", |
1289 |
help="Filter by nodes (secondary only)", |
1290 |
const=_SHUTDOWN_NODES_SEC, action="store_const") |
1291 |
|
1292 |
m_node_opt = cli_option("--node", dest="multi_mode", |
1293 |
help="Filter by nodes (primary and secondary)", |
1294 |
const=_SHUTDOWN_NODES_BOTH, action="store_const") |
1295 |
|
1296 |
m_clust_opt = cli_option("--all", dest="multi_mode", |
1297 |
help="Select all instances in the cluster", |
1298 |
const=_SHUTDOWN_CLUSTER, action="store_const") |
1299 |
|
1300 |
m_inst_opt = cli_option("--instance", dest="multi_mode", |
1301 |
help="Filter by instance name [default]", |
1302 |
const=_SHUTDOWN_INSTANCES, action="store_const") |
1303 |
|
1304 |
m_node_tags_opt = cli_option("--node-tags", dest="multi_mode", |
1305 |
help="Filter by node tag", |
1306 |
const=_SHUTDOWN_NODES_BOTH_BY_TAGS, |
1307 |
action="store_const") |
1308 |
|
1309 |
m_pri_node_tags_opt = cli_option("--pri-node-tags", dest="multi_mode", |
1310 |
help="Filter by primary node tag", |
1311 |
const=_SHUTDOWN_NODES_PRI_BY_TAGS, |
1312 |
action="store_const") |
1313 |
|
1314 |
m_sec_node_tags_opt = cli_option("--sec-node-tags", dest="multi_mode", |
1315 |
help="Filter by secondary node tag", |
1316 |
const=_SHUTDOWN_NODES_SEC_BY_TAGS, |
1317 |
action="store_const") |
1318 |
|
1319 |
m_inst_tags_opt = cli_option("--tags", dest="multi_mode", |
1320 |
help="Filter by instance tag", |
1321 |
const=_SHUTDOWN_INSTANCES_BY_TAGS, |
1322 |
action="store_const") |
1323 |
|
1324 |
# this is defined separately due to readability only |
1325 |
add_opts = [ |
1326 |
BACKEND_OPT, |
1327 |
DISK_OPT, |
1328 |
DISK_TEMPLATE_OPT, |
1329 |
FILESTORE_DIR_OPT, |
1330 |
FILESTORE_DRIVER_OPT, |
1331 |
HYPERVISOR_OPT, |
1332 |
IALLOCATOR_OPT, |
1333 |
NET_OPT, |
1334 |
NODE_PLACEMENT_OPT, |
1335 |
NOIPCHECK_OPT, |
1336 |
NONAMECHECK_OPT, |
1337 |
NONICS_OPT, |
1338 |
NOSTART_OPT, |
1339 |
NWSYNC_OPT, |
1340 |
OS_OPT, |
1341 |
FORCE_VARIANT_OPT, |
1342 |
OS_SIZE_OPT, |
1343 |
SUBMIT_OPT, |
1344 |
] |
1345 |
|
1346 |
commands = { |
1347 |
'add': ( |
1348 |
AddInstance, [ArgHost(min=1, max=1)], add_opts, |
1349 |
"[...] -t disk-type -n node[:secondary-node] -o os-type <name>", |
1350 |
"Creates and adds a new instance to the cluster"), |
1351 |
'batch-create': ( |
1352 |
BatchCreate, [ArgFile(min=1, max=1)], [], |
1353 |
"<instances.json>", |
1354 |
"Create a bunch of instances based on specs in the file."), |
1355 |
'console': ( |
1356 |
ConnectToInstanceConsole, ARGS_ONE_INSTANCE, |
1357 |
[SHOWCMD_OPT], |
1358 |
"[--show-cmd] <instance>", "Opens a console on the specified instance"), |
1359 |
'failover': ( |
1360 |
FailoverInstance, ARGS_ONE_INSTANCE, |
1361 |
[FORCE_OPT, IGNORE_CONSIST_OPT, SUBMIT_OPT, SHUTDOWN_TIMEOUT_OPT], |
1362 |
"[-f] <instance>", "Stops the instance and starts it on the backup node," |
1363 |
" using the remote mirror (only for instances of type drbd)"), |
1364 |
'migrate': ( |
1365 |
MigrateInstance, ARGS_ONE_INSTANCE, |
1366 |
[FORCE_OPT, NONLIVE_OPT, CLEANUP_OPT], |
1367 |
"[-f] <instance>", "Migrate instance to its secondary node" |
1368 |
" (only for instances of type drbd)"), |
1369 |
'move': ( |
1370 |
MoveInstance, ARGS_ONE_INSTANCE, |
1371 |
[FORCE_OPT, SUBMIT_OPT, SINGLE_NODE_OPT, SHUTDOWN_TIMEOUT_OPT], |
1372 |
"[-f] <instance>", "Move instance to an arbitrary node" |
1373 |
" (only for instances of type file and lv)"), |
1374 |
'info': ( |
1375 |
ShowInstanceConfig, ARGS_MANY_INSTANCES, |
1376 |
[STATIC_OPT, ALL_OPT], |
1377 |
"[-s] {--all | <instance>...}", |
1378 |
"Show information on the specified instance(s)"), |
1379 |
'list': ( |
1380 |
ListInstances, ARGS_MANY_INSTANCES, |
1381 |
[NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT, SYNC_OPT], |
1382 |
"[<instance>...]", |
1383 |
"Lists the instances and their status. The available fields are" |
1384 |
" (see the man page for details): status, oper_state, oper_ram," |
1385 |
" name, os, pnode, snodes, admin_state, admin_ram, disk_template," |
1386 |
" ip, mac, nic_mode, nic_link, sda_size, sdb_size, vcpus, serial_no," |
1387 |
" nic.count, nic.mac/N, nic.ip/N, nic.mode/N, nic.link/N," |
1388 |
" nic.macs, nic.ips, nic.modes, nic.links," |
1389 |
" disk.count, disk.size/N, disk.sizes," |
1390 |
" hv/NAME, be/memory, be/vcpus, be/auto_balance," |
1391 |
" hypervisor." |
1392 |
" The default field" |
1393 |
" list is (in order): %s." % utils.CommaJoin(_LIST_DEF_FIELDS), |
1394 |
), |
1395 |
'reinstall': ( |
1396 |
ReinstallInstance, [ArgInstance()], |
1397 |
[FORCE_OPT, OS_OPT, FORCE_VARIANT_OPT, m_force_multi, m_node_opt, |
1398 |
m_pri_node_opt, m_sec_node_opt, m_clust_opt, m_inst_opt, m_node_tags_opt, |
1399 |
m_pri_node_tags_opt, m_sec_node_tags_opt, m_inst_tags_opt, SELECT_OS_OPT, |
1400 |
SUBMIT_OPT], |
1401 |
"[-f] <instance>", "Reinstall a stopped instance"), |
1402 |
'remove': ( |
1403 |
RemoveInstance, ARGS_ONE_INSTANCE, |
1404 |
[FORCE_OPT, SHUTDOWN_TIMEOUT_OPT, IGNORE_FAILURES_OPT, SUBMIT_OPT], |
1405 |
"[-f] <instance>", "Shuts down the instance and removes it"), |
1406 |
'rename': ( |
1407 |
RenameInstance, |
1408 |
[ArgInstance(min=1, max=1), ArgHost(min=1, max=1)], |
1409 |
[NOIPCHECK_OPT, SUBMIT_OPT], |
1410 |
"<instance> <new_name>", "Rename the instance"), |
1411 |
'replace-disks': ( |
1412 |
ReplaceDisks, ARGS_ONE_INSTANCE, |
1413 |
[AUTO_REPLACE_OPT, DISKIDX_OPT, IALLOCATOR_OPT, EARLY_RELEASE_OPT, |
1414 |
NEW_SECONDARY_OPT, ON_PRIMARY_OPT, ON_SECONDARY_OPT, SUBMIT_OPT], |
1415 |
"[-s|-p|-n NODE|-I NAME] <instance>", |
1416 |
"Replaces all disks for the instance"), |
1417 |
'modify': ( |
1418 |
SetInstanceParams, ARGS_ONE_INSTANCE, |
1419 |
[BACKEND_OPT, DISK_OPT, FORCE_OPT, HVOPTS_OPT, NET_OPT, SUBMIT_OPT, |
1420 |
DISK_TEMPLATE_OPT, SINGLE_NODE_OPT], |
1421 |
"<instance>", "Alters the parameters of an instance"), |
1422 |
'shutdown': ( |
1423 |
GenericManyOps("shutdown", _ShutdownInstance), [ArgInstance()], |
1424 |
[m_node_opt, m_pri_node_opt, m_sec_node_opt, m_clust_opt, |
1425 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1426 |
m_inst_tags_opt, m_inst_opt, m_force_multi, TIMEOUT_OPT, SUBMIT_OPT], |
1427 |
"<instance>", "Stops an instance"), |
1428 |
'startup': ( |
1429 |
GenericManyOps("startup", _StartupInstance), [ArgInstance()], |
1430 |
[FORCE_OPT, m_force_multi, m_node_opt, m_pri_node_opt, m_sec_node_opt, |
1431 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1432 |
m_inst_tags_opt, m_clust_opt, m_inst_opt, SUBMIT_OPT, HVOPTS_OPT, |
1433 |
BACKEND_OPT], |
1434 |
"<instance>", "Starts an instance"), |
1435 |
'reboot': ( |
1436 |
GenericManyOps("reboot", _RebootInstance), [ArgInstance()], |
1437 |
[m_force_multi, REBOOT_TYPE_OPT, IGNORE_SECONDARIES_OPT, m_node_opt, |
1438 |
m_pri_node_opt, m_sec_node_opt, m_clust_opt, m_inst_opt, SUBMIT_OPT, |
1439 |
m_node_tags_opt, m_pri_node_tags_opt, m_sec_node_tags_opt, |
1440 |
m_inst_tags_opt, SHUTDOWN_TIMEOUT_OPT], |
1441 |
"<instance>", "Reboots an instance"), |
1442 |
'activate-disks': ( |
1443 |
ActivateDisks, ARGS_ONE_INSTANCE, [SUBMIT_OPT, IGNORE_SIZE_OPT], |
1444 |
"<instance>", "Activate an instance's disks"), |
1445 |
'deactivate-disks': ( |
1446 |
DeactivateDisks, ARGS_ONE_INSTANCE, [SUBMIT_OPT], |
1447 |
"<instance>", "Deactivate an instance's disks"), |
1448 |
'recreate-disks': ( |
1449 |
RecreateDisks, ARGS_ONE_INSTANCE, [SUBMIT_OPT, DISKIDX_OPT], |
1450 |
"<instance>", "Recreate an instance's disks"), |
1451 |
'grow-disk': ( |
1452 |
GrowDisk, |
1453 |
[ArgInstance(min=1, max=1), ArgUnknown(min=1, max=1), |
1454 |
ArgUnknown(min=1, max=1)], |
1455 |
[SUBMIT_OPT, NWSYNC_OPT], |
1456 |
"<instance> <disk> <size>", "Grow an instance's disk"), |
1457 |
'list-tags': ( |
1458 |
ListTags, ARGS_ONE_INSTANCE, [], |
1459 |
"<instance_name>", "List the tags of the given instance"), |
1460 |
'add-tags': ( |
1461 |
AddTags, [ArgInstance(min=1, max=1), ArgUnknown()], |
1462 |
[TAG_SRC_OPT], |
1463 |
"<instance_name> tag...", "Add tags to the given instance"), |
1464 |
'remove-tags': ( |
1465 |
RemoveTags, [ArgInstance(min=1, max=1), ArgUnknown()], |
1466 |
[TAG_SRC_OPT], |
1467 |
"<instance_name> tag...", "Remove tags from given instance"), |
1468 |
} |
1469 |
|
1470 |
#: dictionary with aliases for commands |
1471 |
aliases = { |
1472 |
'activate_block_devs': 'activate-disks', |
1473 |
'replace_disks': 'replace-disks', |
1474 |
'start': 'startup', |
1475 |
'stop': 'shutdown', |
1476 |
} |
1477 |
|
1478 |
|
1479 |
if __name__ == '__main__': |
1480 |
sys.exit(GenericMain(commands, aliases=aliases, |
1481 |
override={"tag_type": constants.TAG_INSTANCE})) |