root / tools / burnin @ aa089b65
History | View | Annotate | Download (26.9 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 |
"""Burnin program |
23 |
|
24 |
""" |
25 |
|
26 |
import os |
27 |
import sys |
28 |
import optparse |
29 |
import time |
30 |
import socket |
31 |
import urllib2 |
32 |
import errno |
33 |
from itertools import izip, islice, cycle |
34 |
from cStringIO import StringIO |
35 |
|
36 |
from ganeti import opcodes |
37 |
from ganeti import mcpu |
38 |
from ganeti import constants |
39 |
from ganeti import cli |
40 |
from ganeti import errors |
41 |
from ganeti import utils |
42 |
|
43 |
|
44 |
USAGE = ("\tburnin -o OS_NAME [options...] instance_name ...") |
45 |
|
46 |
|
47 |
class InstanceDown(Exception): |
48 |
"""The checked instance was not up""" |
49 |
|
50 |
|
51 |
def Usage(): |
52 |
"""Shows program usage information and exits the program.""" |
53 |
|
54 |
print >> sys.stderr, "Usage:" |
55 |
print >> sys.stderr, USAGE |
56 |
sys.exit(2) |
57 |
|
58 |
|
59 |
def Log(msg, indent=0): |
60 |
"""Simple function that prints out its argument. |
61 |
|
62 |
""" |
63 |
headers = { |
64 |
0: "- ", |
65 |
1: "* ", |
66 |
2: "" |
67 |
} |
68 |
sys.stdout.write("%*s%s%s\n" % (2*indent, "", |
69 |
headers.get(indent, " "), msg)) |
70 |
sys.stdout.flush() |
71 |
|
72 |
def Err(msg, exit_code=1): |
73 |
"""Simple error logging that prints to stderr. |
74 |
|
75 |
""" |
76 |
sys.stderr.write(msg + "\n") |
77 |
sys.stderr.flush() |
78 |
sys.exit(exit_code) |
79 |
|
80 |
class Burner(object): |
81 |
"""Burner class.""" |
82 |
|
83 |
def __init__(self): |
84 |
"""Constructor.""" |
85 |
utils.SetupLogging(constants.LOG_BURNIN, debug=False, stderr_logging=True) |
86 |
self._feed_buf = StringIO() |
87 |
self.nodes = [] |
88 |
self.instances = [] |
89 |
self.to_rem = [] |
90 |
self.opts = None |
91 |
self.ParseOptions() |
92 |
self.cl = cli.GetClient() |
93 |
self.GetState() |
94 |
|
95 |
def ClearFeedbackBuf(self): |
96 |
"""Clear the feedback buffer.""" |
97 |
self._feed_buf.truncate(0) |
98 |
|
99 |
def GetFeedbackBuf(self): |
100 |
"""Return the contents of the buffer.""" |
101 |
return self._feed_buf.getvalue() |
102 |
|
103 |
def Feedback(self, msg): |
104 |
"""Acumulate feedback in our buffer.""" |
105 |
self._feed_buf.write("%s %s\n" % (time.ctime(utils.MergeTime(msg[0])), |
106 |
msg[2])) |
107 |
if self.opts.verbose: |
108 |
Log(msg, indent=3) |
109 |
|
110 |
def ExecOp(self, op): |
111 |
"""Execute an opcode and manage the exec buffer.""" |
112 |
self.ClearFeedbackBuf() |
113 |
return cli.SubmitOpCode(op, feedback_fn=self.Feedback, cl=self.cl) |
114 |
|
115 |
def ExecJobSet(self, jobs): |
116 |
"""Execute a set of jobs and return once all are done. |
117 |
|
118 |
The method will return the list of results, if all jobs are |
119 |
successfull. Otherwise, OpExecError will be raised from within |
120 |
cli.py. |
121 |
|
122 |
""" |
123 |
self.ClearFeedbackBuf() |
124 |
job_ids = [cli.SendJob(job, cl=self.cl) for job in jobs] |
125 |
Log("Submitted job IDs %s" % ", ".join(job_ids), indent=1) |
126 |
results = [] |
127 |
for jid in job_ids: |
128 |
Log("Waiting for job %s" % jid, indent=2) |
129 |
results.append(cli.PollJob(jid, cl=self.cl, feedback_fn=self.Feedback)) |
130 |
|
131 |
return results |
132 |
|
133 |
def ParseOptions(self): |
134 |
"""Parses the command line options. |
135 |
|
136 |
In case of command line errors, it will show the usage and exit the |
137 |
program. |
138 |
|
139 |
""" |
140 |
|
141 |
parser = optparse.OptionParser(usage="\n%s" % USAGE, |
142 |
version="%%prog (ganeti) %s" % |
143 |
constants.RELEASE_VERSION, |
144 |
option_class=cli.CliOption) |
145 |
|
146 |
parser.add_option("-o", "--os", dest="os", default=None, |
147 |
help="OS to use during burnin", |
148 |
metavar="<OS>") |
149 |
parser.add_option("--disk-size", dest="disk_size", |
150 |
help="Disk size (determines disk count)", |
151 |
default="128m", type="string", metavar="<size,size,...>") |
152 |
parser.add_option("--disk-growth", dest="disk_growth", help="Disk growth", |
153 |
default="128m", type="string", metavar="<size,size,...>") |
154 |
parser.add_option("--mem-size", dest="mem_size", help="Memory size", |
155 |
default=128, type="unit", metavar="<size>") |
156 |
parser.add_option("-v", "--verbose", |
157 |
action="store_true", dest="verbose", default=False, |
158 |
help="print command execution messages to stdout") |
159 |
parser.add_option("--no-replace1", dest="do_replace1", |
160 |
help="Skip disk replacement with the same secondary", |
161 |
action="store_false", default=True) |
162 |
parser.add_option("--no-replace2", dest="do_replace2", |
163 |
help="Skip disk replacement with a different secondary", |
164 |
action="store_false", default=True) |
165 |
parser.add_option("--no-failover", dest="do_failover", |
166 |
help="Skip instance failovers", action="store_false", |
167 |
default=True) |
168 |
parser.add_option("--no-migrate", dest="do_migrate", |
169 |
help="Skip instance live migration", |
170 |
action="store_false", default=True) |
171 |
parser.add_option("--no-importexport", dest="do_importexport", |
172 |
help="Skip instance export/import", action="store_false", |
173 |
default=True) |
174 |
parser.add_option("--no-startstop", dest="do_startstop", |
175 |
help="Skip instance stop/start", action="store_false", |
176 |
default=True) |
177 |
parser.add_option("--no-reinstall", dest="do_reinstall", |
178 |
help="Skip instance reinstall", action="store_false", |
179 |
default=True) |
180 |
parser.add_option("--no-reboot", dest="do_reboot", |
181 |
help="Skip instance reboot", action="store_false", |
182 |
default=True) |
183 |
parser.add_option("--no-activate-disks", dest="do_activate_disks", |
184 |
help="Skip disk activation/deactivation", |
185 |
action="store_false", default=True) |
186 |
parser.add_option("--no-add-disks", dest="do_addremove_disks", |
187 |
help="Skip disk addition/removal", |
188 |
action="store_false", default=True) |
189 |
parser.add_option("--no-add-nics", dest="do_addremove_nics", |
190 |
help="Skip NIC addition/removal", |
191 |
action="store_false", default=True) |
192 |
parser.add_option("--no-nics", dest="nics", |
193 |
help="No network interfaces", action="store_const", |
194 |
const=[], default=[{}]) |
195 |
parser.add_option("--rename", dest="rename", default=None, |
196 |
help="Give one unused instance name which is taken" |
197 |
" to start the renaming sequence", |
198 |
metavar="<instance_name>") |
199 |
parser.add_option("-t", "--disk-template", dest="disk_template", |
200 |
choices=("diskless", "file", "plain", "drbd"), |
201 |
default="drbd", |
202 |
help="Disk template (diskless, file, plain or drbd)" |
203 |
" [drbd]") |
204 |
parser.add_option("-n", "--nodes", dest="nodes", default="", |
205 |
help="Comma separated list of nodes to perform" |
206 |
" the burnin on (defaults to all nodes)") |
207 |
parser.add_option("--iallocator", dest="iallocator", |
208 |
default=None, type="string", |
209 |
help="Perform the allocation using an iallocator" |
210 |
" instead of fixed node spread (node restrictions no" |
211 |
" longer apply, therefore -n/--nodes must not be used") |
212 |
parser.add_option("-p", "--parallel", default=False, action="store_true", |
213 |
dest="parallel", |
214 |
help="Enable parallelization of some operations in" |
215 |
" order to speed burnin or to test granular locking") |
216 |
parser.add_option("--net-timeout", default=15, type="int", |
217 |
dest="net_timeout", |
218 |
help="The instance check network timeout in seconds" |
219 |
" (defaults to 15 seconds)") |
220 |
parser.add_option("-C", "--http-check", default=False, action="store_true", |
221 |
dest="http_check", |
222 |
help="Enable checking of instance status via http," |
223 |
" looking for /hostname.txt that should contain the" |
224 |
" name of the instance") |
225 |
parser.add_option("-K", "--keep-instances", default=False, |
226 |
action="store_true", |
227 |
dest="keep_instances", |
228 |
help="Leave instances on the cluster after burnin," |
229 |
" for investigation in case of errors or simply" |
230 |
" to use them") |
231 |
|
232 |
|
233 |
options, args = parser.parse_args() |
234 |
if len(args) < 1 or options.os is None: |
235 |
Usage() |
236 |
|
237 |
supported_disk_templates = (constants.DT_DISKLESS, |
238 |
constants.DT_FILE, |
239 |
constants.DT_PLAIN, |
240 |
constants.DT_DRBD8) |
241 |
if options.disk_template not in supported_disk_templates: |
242 |
Err("Unknown disk template '%s'" % options.disk_template) |
243 |
|
244 |
if options.disk_template == constants.DT_DISKLESS: |
245 |
disk_size = disk_growth = [] |
246 |
options.do_addremove_disks = False |
247 |
else: |
248 |
disk_size = [utils.ParseUnit(v) for v in options.disk_size.split(",")] |
249 |
disk_growth = [utils.ParseUnit(v) |
250 |
for v in options.disk_growth.split(",")] |
251 |
if len(disk_growth) != len(disk_size): |
252 |
Err("Wrong disk sizes/growth combination") |
253 |
if ((disk_size and options.disk_template == constants.DT_DISKLESS) or |
254 |
(not disk_size and options.disk_template != constants.DT_DISKLESS)): |
255 |
Err("Wrong disk count/disk template combination") |
256 |
|
257 |
self.disk_size = disk_size |
258 |
self.disk_growth = disk_growth |
259 |
self.disk_count = len(disk_size) |
260 |
|
261 |
if options.nodes and options.iallocator: |
262 |
Err("Give either the nodes option or the iallocator option, not both") |
263 |
|
264 |
self.opts = options |
265 |
self.instances = args |
266 |
self.bep = { |
267 |
constants.BE_MEMORY: options.mem_size, |
268 |
constants.BE_VCPUS: 1, |
269 |
} |
270 |
self.hvp = {} |
271 |
|
272 |
socket.setdefaulttimeout(options.net_timeout) |
273 |
|
274 |
def GetState(self): |
275 |
"""Read the cluster state from the config.""" |
276 |
if self.opts.nodes: |
277 |
names = self.opts.nodes.split(",") |
278 |
else: |
279 |
names = [] |
280 |
try: |
281 |
op = opcodes.OpQueryNodes(output_fields=["name", "offline"], names=names) |
282 |
result = self.ExecOp(op) |
283 |
except errors.GenericError, err: |
284 |
err_code, msg = cli.FormatError(err) |
285 |
Err(msg, exit_code=err_code) |
286 |
self.nodes = [data[0] for data in result if not data[1]] |
287 |
|
288 |
result = self.ExecOp(opcodes.OpDiagnoseOS(output_fields=["name", "valid"], |
289 |
names=[])) |
290 |
|
291 |
if not result: |
292 |
Err("Can't get the OS list") |
293 |
|
294 |
# filter non-valid OS-es |
295 |
os_set = [val[0] for val in result if val[1]] |
296 |
|
297 |
if self.opts.os not in os_set: |
298 |
Err("OS '%s' not found" % self.opts.os) |
299 |
|
300 |
def CreateInstances(self): |
301 |
"""Create the given instances. |
302 |
|
303 |
""" |
304 |
self.to_rem = [] |
305 |
mytor = izip(cycle(self.nodes), |
306 |
islice(cycle(self.nodes), 1, None), |
307 |
self.instances) |
308 |
jobset = [] |
309 |
|
310 |
Log("Creating instances") |
311 |
for pnode, snode, instance in mytor: |
312 |
Log("instance %s" % instance, indent=1) |
313 |
if self.opts.iallocator: |
314 |
pnode = snode = None |
315 |
msg = "with iallocator %s" % self.opts.iallocator |
316 |
elif self.opts.disk_template not in constants.DTS_NET_MIRROR: |
317 |
snode = None |
318 |
msg = "on %s" % pnode |
319 |
else: |
320 |
msg = "on %s, %s" % (pnode, snode) |
321 |
|
322 |
Log(msg, indent=2) |
323 |
|
324 |
op = opcodes.OpCreateInstance(instance_name=instance, |
325 |
disks = [ {"size": size} |
326 |
for size in self.disk_size], |
327 |
disk_template=self.opts.disk_template, |
328 |
nics=self.opts.nics, |
329 |
mode=constants.INSTANCE_CREATE, |
330 |
os_type=self.opts.os, |
331 |
pnode=pnode, |
332 |
snode=snode, |
333 |
start=True, |
334 |
ip_check=True, |
335 |
wait_for_sync=True, |
336 |
file_driver="loop", |
337 |
file_storage_dir=None, |
338 |
iallocator=self.opts.iallocator, |
339 |
beparams=self.bep, |
340 |
hvparams=self.hvp, |
341 |
) |
342 |
|
343 |
if self.opts.parallel: |
344 |
jobset.append([op]) |
345 |
# FIXME: here we should not append to to_rem uncoditionally, |
346 |
# but only when the job is successful |
347 |
self.to_rem.append(instance) |
348 |
else: |
349 |
self.ExecOp(op) |
350 |
self.to_rem.append(instance) |
351 |
if self.opts.parallel: |
352 |
self.ExecJobSet(jobset) |
353 |
|
354 |
for instance in self.instances: |
355 |
self._CheckInstanceAlive(instance) |
356 |
|
357 |
def GrowDisks(self): |
358 |
"""Grow both the os and the swap disks by the requested amount, if any.""" |
359 |
Log("Growing disks") |
360 |
for instance in self.instances: |
361 |
Log("instance %s" % instance, indent=1) |
362 |
for idx, growth in enumerate(self.disk_growth): |
363 |
if growth > 0: |
364 |
op = opcodes.OpGrowDisk(instance_name=instance, disk=idx, |
365 |
amount=growth, wait_for_sync=True) |
366 |
Log("increase disk/%s by %s MB" % (idx, growth), indent=2) |
367 |
self.ExecOp(op) |
368 |
|
369 |
def ReplaceDisks1D8(self): |
370 |
"""Replace disks on primary and secondary for drbd8.""" |
371 |
Log("Replacing disks on the same nodes") |
372 |
for instance in self.instances: |
373 |
Log("instance %s" % instance, indent=1) |
374 |
for mode in constants.REPLACE_DISK_SEC, constants.REPLACE_DISK_PRI: |
375 |
op = opcodes.OpReplaceDisks(instance_name=instance, |
376 |
mode=mode, |
377 |
disks=[i for i in range(self.disk_count)]) |
378 |
Log("run %s" % mode, indent=2) |
379 |
self.ExecOp(op) |
380 |
|
381 |
def ReplaceDisks2(self): |
382 |
"""Replace secondary node.""" |
383 |
Log("Changing the secondary node") |
384 |
mode = constants.REPLACE_DISK_CHG |
385 |
|
386 |
mytor = izip(islice(cycle(self.nodes), 2, None), |
387 |
self.instances) |
388 |
for tnode, instance in mytor: |
389 |
Log("instance %s" % instance, indent=1) |
390 |
if self.opts.iallocator: |
391 |
tnode = None |
392 |
msg = "with iallocator %s" % self.opts.iallocator |
393 |
else: |
394 |
msg = tnode |
395 |
op = opcodes.OpReplaceDisks(instance_name=instance, |
396 |
mode=mode, |
397 |
remote_node=tnode, |
398 |
iallocator=self.opts.iallocator, |
399 |
disks=[i for i in range(self.disk_count)]) |
400 |
Log("run %s %s" % (mode, msg), indent=2) |
401 |
self.ExecOp(op) |
402 |
|
403 |
def Failover(self): |
404 |
"""Failover the instances.""" |
405 |
Log("Failing over instances") |
406 |
for instance in self.instances: |
407 |
Log("instance %s" % instance, indent=1) |
408 |
op = opcodes.OpFailoverInstance(instance_name=instance, |
409 |
ignore_consistency=False) |
410 |
|
411 |
self.ExecOp(op) |
412 |
for instance in self.instances: |
413 |
self._CheckInstanceAlive(instance) |
414 |
|
415 |
def Migrate(self): |
416 |
"""Migrate the instances.""" |
417 |
Log("Migrating instances") |
418 |
for instance in self.instances: |
419 |
Log("instance %s" % instance, indent=1) |
420 |
op = opcodes.OpMigrateInstance(instance_name=instance, live=True, |
421 |
cleanup=False) |
422 |
|
423 |
Log("migration", indent=2) |
424 |
self.ExecOp(op) |
425 |
op = opcodes.OpMigrateInstance(instance_name=instance, live=True, |
426 |
cleanup=True) |
427 |
Log("migration cleanup", indent=2) |
428 |
self.ExecOp(op) |
429 |
|
430 |
def ImportExport(self): |
431 |
"""Export the instance, delete it, and import it back. |
432 |
|
433 |
""" |
434 |
Log("Exporting and re-importing instances") |
435 |
mytor = izip(cycle(self.nodes), |
436 |
islice(cycle(self.nodes), 1, None), |
437 |
islice(cycle(self.nodes), 2, None), |
438 |
self.instances) |
439 |
|
440 |
for pnode, snode, enode, instance in mytor: |
441 |
Log("instance %s" % instance, indent=1) |
442 |
if self.opts.iallocator: |
443 |
pnode = snode = None |
444 |
import_log_msg = ("import from %s" |
445 |
" with iallocator %s" % |
446 |
(enode, self.opts.iallocator)) |
447 |
elif self.opts.disk_template not in constants.DTS_NET_MIRROR: |
448 |
snode = None |
449 |
import_log_msg = ("import from %s to %s" % |
450 |
(enode, pnode)) |
451 |
else: |
452 |
import_log_msg = ("import from %s to %s, %s" % |
453 |
(enode, pnode, snode)) |
454 |
|
455 |
exp_op = opcodes.OpExportInstance(instance_name=instance, |
456 |
target_node=enode, |
457 |
shutdown=True) |
458 |
rem_op = opcodes.OpRemoveInstance(instance_name=instance, |
459 |
ignore_failures=True) |
460 |
nam_op = opcodes.OpQueryInstances(output_fields=["name"], |
461 |
names=[instance]) |
462 |
full_name = self.ExecOp(nam_op)[0][0] |
463 |
imp_dir = os.path.join(constants.EXPORT_DIR, full_name) |
464 |
imp_op = opcodes.OpCreateInstance(instance_name=instance, |
465 |
disks = [ {"size": size} |
466 |
for size in self.disk_size], |
467 |
disk_template=self.opts.disk_template, |
468 |
nics=self.opts.nics, |
469 |
mode=constants.INSTANCE_IMPORT, |
470 |
src_node=enode, |
471 |
src_path=imp_dir, |
472 |
pnode=pnode, |
473 |
snode=snode, |
474 |
start=True, |
475 |
ip_check=True, |
476 |
wait_for_sync=True, |
477 |
file_storage_dir=None, |
478 |
file_driver="loop", |
479 |
iallocator=self.opts.iallocator, |
480 |
beparams=self.bep, |
481 |
hvparams=self.hvp, |
482 |
) |
483 |
|
484 |
erem_op = opcodes.OpRemoveExport(instance_name=instance) |
485 |
|
486 |
Log("export to node %s" % enode, indent=2) |
487 |
self.ExecOp(exp_op) |
488 |
Log("remove instance", indent=2) |
489 |
self.ExecOp(rem_op) |
490 |
self.to_rem.remove(instance) |
491 |
Log(import_log_msg, indent=2) |
492 |
self.ExecOp(imp_op) |
493 |
Log("remove export", indent=2) |
494 |
self.ExecOp(erem_op) |
495 |
|
496 |
self.to_rem.append(instance) |
497 |
|
498 |
for instance in self.instances: |
499 |
self._CheckInstanceAlive(instance) |
500 |
|
501 |
def StopInstance(self, instance): |
502 |
"""Stop given instance.""" |
503 |
op = opcodes.OpShutdownInstance(instance_name=instance) |
504 |
Log("shutdown", indent=2) |
505 |
self.ExecOp(op) |
506 |
|
507 |
def StartInstance(self, instance): |
508 |
"""Start given instance.""" |
509 |
op = opcodes.OpStartupInstance(instance_name=instance, force=False) |
510 |
Log("startup", indent=2) |
511 |
self.ExecOp(op) |
512 |
|
513 |
def RenameInstance(self, instance, instance_new): |
514 |
"""Rename instance.""" |
515 |
op = opcodes.OpRenameInstance(instance_name=instance, |
516 |
new_name=instance_new) |
517 |
Log("rename to %s" % instance_new, indent=2) |
518 |
self.ExecOp(op) |
519 |
|
520 |
def StopStart(self): |
521 |
"""Stop/start the instances.""" |
522 |
Log("Stopping and starting instances") |
523 |
for instance in self.instances: |
524 |
Log("instance %s" % instance, indent=1) |
525 |
self.StopInstance(instance) |
526 |
self.StartInstance(instance) |
527 |
|
528 |
for instance in self.instances: |
529 |
self._CheckInstanceAlive(instance) |
530 |
|
531 |
def Remove(self): |
532 |
"""Remove the instances.""" |
533 |
Log("Removing instances") |
534 |
for instance in self.to_rem: |
535 |
Log("instance %s" % instance, indent=1) |
536 |
op = opcodes.OpRemoveInstance(instance_name=instance, |
537 |
ignore_failures=True) |
538 |
self.ExecOp(op) |
539 |
|
540 |
def Rename(self): |
541 |
"""Rename the instances.""" |
542 |
Log("Renaming instances") |
543 |
rename = self.opts.rename |
544 |
for instance in self.instances: |
545 |
Log("instance %s" % instance, indent=1) |
546 |
self.StopInstance(instance) |
547 |
self.RenameInstance(instance, rename) |
548 |
self.StartInstance(rename) |
549 |
self._CheckInstanceAlive(rename) |
550 |
self.StopInstance(rename) |
551 |
self.RenameInstance(rename, instance) |
552 |
self.StartInstance(instance) |
553 |
|
554 |
for instance in self.instances: |
555 |
self._CheckInstanceAlive(instance) |
556 |
|
557 |
def Reinstall(self): |
558 |
"""Reinstall the instances.""" |
559 |
Log("Reinstalling instances") |
560 |
for instance in self.instances: |
561 |
Log("instance %s" % instance, indent=1) |
562 |
self.StopInstance(instance) |
563 |
op = opcodes.OpReinstallInstance(instance_name=instance) |
564 |
Log("reinstall without passing the OS", indent=2) |
565 |
self.ExecOp(op) |
566 |
op = opcodes.OpReinstallInstance(instance_name=instance, |
567 |
os_type=self.opts.os) |
568 |
Log("reinstall specifying the OS", indent=2) |
569 |
self.ExecOp(op) |
570 |
self.StartInstance(instance) |
571 |
for instance in self.instances: |
572 |
self._CheckInstanceAlive(instance) |
573 |
|
574 |
def Reboot(self): |
575 |
"""Reboot the instances.""" |
576 |
Log("Rebooting instances") |
577 |
for instance in self.instances: |
578 |
Log("instance %s" % instance, indent=1) |
579 |
for reboot_type in constants.REBOOT_TYPES: |
580 |
op = opcodes.OpRebootInstance(instance_name=instance, |
581 |
reboot_type=reboot_type, |
582 |
ignore_secondaries=False) |
583 |
Log("reboot with type '%s'" % reboot_type, indent=2) |
584 |
self.ExecOp(op) |
585 |
self._CheckInstanceAlive(instance) |
586 |
|
587 |
def ActivateDisks(self): |
588 |
"""Activate and deactivate disks of the instances.""" |
589 |
Log("Activating/deactivating disks") |
590 |
for instance in self.instances: |
591 |
Log("instance %s" % instance, indent=1) |
592 |
op_act = opcodes.OpActivateInstanceDisks(instance_name=instance) |
593 |
op_deact = opcodes.OpDeactivateInstanceDisks(instance_name=instance) |
594 |
Log("activate disks when online", indent=2) |
595 |
self.ExecOp(op_act) |
596 |
self.StopInstance(instance) |
597 |
Log("activate disks when offline", indent=2) |
598 |
self.ExecOp(op_act) |
599 |
Log("deactivate disks (when offline)", indent=2) |
600 |
self.ExecOp(op_deact) |
601 |
self.StartInstance(instance) |
602 |
for instance in self.instances: |
603 |
self._CheckInstanceAlive(instance) |
604 |
|
605 |
def AddRemoveDisks(self): |
606 |
"""Add and remove an extra disk for the instances.""" |
607 |
Log("Adding and removing disks") |
608 |
for instance in self.instances: |
609 |
Log("instance %s" % instance, indent=1) |
610 |
op_add = opcodes.OpSetInstanceParams(\ |
611 |
instance_name=instance, |
612 |
disks=[(constants.DDM_ADD, {"size": self.disk_size[0]})]) |
613 |
op_rem = opcodes.OpSetInstanceParams(\ |
614 |
instance_name=instance, disks=[(constants.DDM_REMOVE, {})]) |
615 |
Log("adding a disk", indent=2) |
616 |
self.ExecOp(op_add) |
617 |
self.StopInstance(instance) |
618 |
Log("removing last disk", indent=2) |
619 |
self.ExecOp(op_rem) |
620 |
self.StartInstance(instance) |
621 |
for instance in self.instances: |
622 |
self._CheckInstanceAlive(instance) |
623 |
|
624 |
def AddRemoveNICs(self): |
625 |
"""Add and remove an extra NIC for the instances.""" |
626 |
Log("Adding and removing NICs") |
627 |
for instance in self.instances: |
628 |
Log("instance %s" % instance, indent=1) |
629 |
op_add = opcodes.OpSetInstanceParams(\ |
630 |
instance_name=instance, nics=[(constants.DDM_ADD, {})]) |
631 |
op_rem = opcodes.OpSetInstanceParams(\ |
632 |
instance_name=instance, nics=[(constants.DDM_REMOVE, {})]) |
633 |
Log("adding a NIC", indent=2) |
634 |
self.ExecOp(op_add) |
635 |
Log("removing last NIC", indent=2) |
636 |
self.ExecOp(op_rem) |
637 |
|
638 |
def _CheckInstanceAlive(self, instance): |
639 |
"""Check if an instance is alive by doing http checks. |
640 |
|
641 |
This will try to retrieve the url on the instance /hostname.txt |
642 |
and check that it contains the hostname of the instance. In case |
643 |
we get ECONNREFUSED, we retry up to the net timeout seconds, for |
644 |
any other error we abort. |
645 |
|
646 |
""" |
647 |
if not self.opts.http_check: |
648 |
return |
649 |
try: |
650 |
for retries in range(self.opts.net_timeout): |
651 |
try: |
652 |
url = urllib2.urlopen("http://%s/hostname.txt" % instance) |
653 |
except urllib2.URLError, err: |
654 |
if err.args[0][0] == errno.ECONNREFUSED: |
655 |
time.sleep(1) |
656 |
continue |
657 |
raise |
658 |
except urllib2.URLError, err: |
659 |
raise InstanceDown(instance, str(err)) |
660 |
hostname = url.read().strip() |
661 |
if hostname != instance: |
662 |
raise InstanceDown(instance, ("Hostname mismatch, expected %s, got %s" % |
663 |
(instance, hostname))) |
664 |
|
665 |
def BurninCluster(self): |
666 |
"""Test a cluster intensively. |
667 |
|
668 |
This will create instances and then start/stop/failover them. |
669 |
It is safe for existing instances but could impact performance. |
670 |
|
671 |
""" |
672 |
|
673 |
opts = self.opts |
674 |
|
675 |
Log("Testing global parameters") |
676 |
|
677 |
if (len(self.nodes) == 1 and |
678 |
opts.disk_template not in (constants.DT_DISKLESS, constants.DT_PLAIN, |
679 |
constants.DT_FILE)): |
680 |
Err("When one node is available/selected the disk template must" |
681 |
" be 'diskless', 'file' or 'plain'") |
682 |
|
683 |
has_err = True |
684 |
try: |
685 |
self.CreateInstances() |
686 |
if opts.do_replace1 and opts.disk_template in constants.DTS_NET_MIRROR: |
687 |
self.ReplaceDisks1D8() |
688 |
if (opts.do_replace2 and len(self.nodes) > 2 and |
689 |
opts.disk_template in constants.DTS_NET_MIRROR) : |
690 |
self.ReplaceDisks2() |
691 |
|
692 |
if (opts.disk_template != constants.DT_DISKLESS and |
693 |
utils.any(self.disk_growth, lambda n: n > 0)): |
694 |
self.GrowDisks() |
695 |
|
696 |
if opts.do_failover and opts.disk_template in constants.DTS_NET_MIRROR: |
697 |
self.Failover() |
698 |
|
699 |
if opts.do_migrate and opts.disk_template == constants.DT_DRBD8: |
700 |
self.Migrate() |
701 |
|
702 |
if (opts.do_importexport and |
703 |
opts.disk_template not in (constants.DT_DISKLESS, |
704 |
constants.DT_FILE)): |
705 |
self.ImportExport() |
706 |
|
707 |
if opts.do_reinstall: |
708 |
self.Reinstall() |
709 |
|
710 |
if opts.do_reboot: |
711 |
self.Reboot() |
712 |
|
713 |
if opts.do_addremove_disks: |
714 |
self.AddRemoveDisks() |
715 |
|
716 |
if opts.do_addremove_nics: |
717 |
self.AddRemoveNICs() |
718 |
|
719 |
if opts.do_activate_disks: |
720 |
self.ActivateDisks() |
721 |
|
722 |
if opts.rename: |
723 |
self.Rename() |
724 |
|
725 |
if opts.do_startstop: |
726 |
self.StopStart() |
727 |
|
728 |
has_err = False |
729 |
finally: |
730 |
if has_err: |
731 |
Log("Error detected: opcode buffer follows:\n\n") |
732 |
Log(self.GetFeedbackBuf()) |
733 |
Log("\n\n") |
734 |
if not self.opts.keep_instances: |
735 |
self.Remove() |
736 |
|
737 |
return 0 |
738 |
|
739 |
|
740 |
def main(): |
741 |
"""Main function""" |
742 |
|
743 |
burner = Burner() |
744 |
return burner.BurninCluster() |
745 |
|
746 |
|
747 |
if __name__ == "__main__": |
748 |
main() |