root / scripts / gnt-debug @ e58f87a9
History | View | Annotate | Download (11.6 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 |
"""Debugging 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-backup |
27 |
|
28 |
import sys |
29 |
import simplejson |
30 |
import time |
31 |
import socket |
32 |
import logging |
33 |
|
34 |
from ganeti.cli import * |
35 |
from ganeti import cli |
36 |
from ganeti import constants |
37 |
from ganeti import opcodes |
38 |
from ganeti import utils |
39 |
from ganeti import errors |
40 |
|
41 |
|
42 |
def Delay(opts, args): |
43 |
"""Sleeps for a while |
44 |
|
45 |
@param opts: the command line options selected by the user |
46 |
@type args: list |
47 |
@param args: should contain only one element, the duration |
48 |
the sleep |
49 |
@rtype: int |
50 |
@return: the desired exit code |
51 |
|
52 |
""" |
53 |
delay = float(args[0]) |
54 |
op = opcodes.OpTestDelay(duration=delay, |
55 |
on_master=opts.on_master, |
56 |
on_nodes=opts.on_nodes, |
57 |
repeat=opts.repeat) |
58 |
SubmitOpCode(op, opts=opts) |
59 |
|
60 |
return 0 |
61 |
|
62 |
|
63 |
def GenericOpCodes(opts, args): |
64 |
"""Send any opcode to the master. |
65 |
|
66 |
@param opts: the command line options selected by the user |
67 |
@type args: list |
68 |
@param args: should contain only one element, the path of |
69 |
the file with the opcode definition |
70 |
@rtype: int |
71 |
@return: the desired exit code |
72 |
|
73 |
""" |
74 |
cl = cli.GetClient() |
75 |
jex = cli.JobExecutor(cl=cl, verbose=opts.verbose, opts=opts) |
76 |
|
77 |
job_cnt = 0 |
78 |
op_cnt = 0 |
79 |
if opts.timing_stats: |
80 |
ToStdout("Loading...") |
81 |
for job_idx in range(opts.rep_job): |
82 |
for fname in args: |
83 |
# pylint: disable-msg=W0142 |
84 |
op_data = simplejson.loads(utils.ReadFile(fname)) |
85 |
op_list = [opcodes.OpCode.LoadOpCode(val) for val in op_data] |
86 |
op_list = op_list * opts.rep_op |
87 |
jex.QueueJob("file %s/%d" % (fname, job_idx), *op_list) |
88 |
op_cnt += len(op_list) |
89 |
job_cnt += 1 |
90 |
|
91 |
if opts.timing_stats: |
92 |
t1 = time.time() |
93 |
ToStdout("Submitting...") |
94 |
|
95 |
jex.SubmitPending(each=opts.each) |
96 |
|
97 |
if opts.timing_stats: |
98 |
t2 = time.time() |
99 |
ToStdout("Executing...") |
100 |
|
101 |
jex.GetResults() |
102 |
if opts.timing_stats: |
103 |
t3 = time.time() |
104 |
ToStdout("C:op %4d" % op_cnt) |
105 |
ToStdout("C:job %4d" % job_cnt) |
106 |
ToStdout("T:submit %4.4f" % (t2-t1)) |
107 |
ToStdout("T:exec %4.4f" % (t3-t2)) |
108 |
ToStdout("T:total %4.4f" % (t3-t1)) |
109 |
return 0 |
110 |
|
111 |
|
112 |
def TestAllocator(opts, args): |
113 |
"""Runs the test allocator opcode. |
114 |
|
115 |
@param opts: the command line options selected by the user |
116 |
@type args: list |
117 |
@param args: should contain only one element, the iallocator name |
118 |
@rtype: int |
119 |
@return: the desired exit code |
120 |
|
121 |
""" |
122 |
try: |
123 |
disks = [{"size": utils.ParseUnit(val), "mode": 'w'} |
124 |
for val in opts.disks.split(",")] |
125 |
except errors.UnitParseError, err: |
126 |
ToStderr("Invalid disks parameter '%s': %s", opts.disks, err) |
127 |
return 1 |
128 |
|
129 |
nics = [val.split("/") for val in opts.nics.split(",")] |
130 |
for row in nics: |
131 |
while len(row) < 3: |
132 |
row.append(None) |
133 |
for i in range(3): |
134 |
if row[i] == '': |
135 |
row[i] = None |
136 |
nic_dict = [{"mac": v[0], "ip": v[1], "bridge": v[2]} for v in nics] |
137 |
|
138 |
if opts.tags is None: |
139 |
opts.tags = [] |
140 |
else: |
141 |
opts.tags = opts.tags.split(",") |
142 |
|
143 |
op = opcodes.OpTestAllocator(mode=opts.mode, |
144 |
name=args[0], |
145 |
evac_nodes=args, |
146 |
mem_size=opts.mem, |
147 |
disks=disks, |
148 |
disk_template=opts.disk_template, |
149 |
nics=nic_dict, |
150 |
os=opts.os, |
151 |
vcpus=opts.vcpus, |
152 |
tags=opts.tags, |
153 |
direction=opts.direction, |
154 |
allocator=opts.iallocator, |
155 |
) |
156 |
result = SubmitOpCode(op, opts=opts) |
157 |
ToStdout("%s" % result) |
158 |
return 0 |
159 |
|
160 |
|
161 |
class _JobQueueTestReporter(cli.StdioJobPollReportCb): |
162 |
def __init__(self): |
163 |
"""Initializes this class. |
164 |
|
165 |
""" |
166 |
cli.StdioJobPollReportCb.__init__(self) |
167 |
self._testmsgs = [] |
168 |
self._job_id = None |
169 |
|
170 |
def GetTestMessages(self): |
171 |
"""Returns all test log messages received so far. |
172 |
|
173 |
""" |
174 |
return self._testmsgs |
175 |
|
176 |
def GetJobId(self): |
177 |
"""Returns the job ID. |
178 |
|
179 |
""" |
180 |
return self._job_id |
181 |
|
182 |
def ReportLogMessage(self, job_id, serial, timestamp, log_type, log_msg): |
183 |
"""Handles a log message. |
184 |
|
185 |
""" |
186 |
if self._job_id is None: |
187 |
self._job_id = job_id |
188 |
elif self._job_id != job_id: |
189 |
raise errors.ProgrammerError("The same reporter instance was used for" |
190 |
" more than one job") |
191 |
|
192 |
if log_type == constants.ELOG_JQUEUE_TEST: |
193 |
(sockname, test, arg) = log_msg |
194 |
return self._ProcessTestMessage(job_id, sockname, test, arg) |
195 |
|
196 |
elif (log_type == constants.ELOG_MESSAGE and |
197 |
log_msg.startswith(constants.JQT_MSGPREFIX)): |
198 |
self._testmsgs.append(log_msg[len(constants.JQT_MSGPREFIX):]) |
199 |
return |
200 |
|
201 |
return cli.StdioJobPollReportCb.ReportLogMessage(self, job_id, serial, |
202 |
timestamp, log_type, |
203 |
log_msg) |
204 |
|
205 |
def _ProcessTestMessage(self, job_id, sockname, test, arg): |
206 |
"""Handles a job queue test message. |
207 |
|
208 |
""" |
209 |
if test not in constants.JQT_ALL: |
210 |
raise errors.OpExecError("Received invalid test message %s" % test) |
211 |
|
212 |
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) |
213 |
try: |
214 |
sock.settimeout(30.0) |
215 |
|
216 |
logging.debug("Connecting to %s", sockname) |
217 |
sock.connect(sockname) |
218 |
|
219 |
logging.debug("Checking status") |
220 |
jobdetails = cli.GetClient().QueryJobs([job_id], ["status"])[0] |
221 |
if not jobdetails: |
222 |
raise errors.OpExecError("Can't find job %s" % job_id) |
223 |
|
224 |
status = jobdetails[0] |
225 |
|
226 |
logging.debug("Status of job %s is %s", job_id, status) |
227 |
|
228 |
if test == constants.JQT_EXPANDNAMES: |
229 |
if status != constants.JOB_STATUS_WAITLOCK: |
230 |
raise errors.OpExecError("Job status while expanding names is '%s'," |
231 |
" not '%s' as expected" % |
232 |
(status, constants.JOB_STATUS_WAITLOCK)) |
233 |
elif test in (constants.JQT_EXEC, constants.JQT_LOGMSG): |
234 |
if status != constants.JOB_STATUS_RUNNING: |
235 |
raise errors.OpExecError("Job status while executing opcode is '%s'," |
236 |
" not '%s' as expected" % |
237 |
(status, constants.JOB_STATUS_RUNNING)) |
238 |
|
239 |
if test == constants.JQT_LOGMSG: |
240 |
if len(self._testmsgs) != arg: |
241 |
raise errors.OpExecError("Received %s test messages when %s are" |
242 |
" expected" % (len(self._testmsgs), arg)) |
243 |
finally: |
244 |
logging.debug("Closing socket") |
245 |
sock.close() |
246 |
|
247 |
|
248 |
def TestJobqueue(opts, _): |
249 |
"""Runs a few tests on the job queue. |
250 |
|
251 |
""" |
252 |
test_messages = [ |
253 |
"Hello World", |
254 |
"A", |
255 |
"", |
256 |
"B" |
257 |
"Foo|bar|baz", |
258 |
utils.TimestampForFilename(), |
259 |
] |
260 |
|
261 |
for fail in [False, True]: |
262 |
if fail: |
263 |
ToStdout("Testing job failure") |
264 |
else: |
265 |
ToStdout("Testing job success") |
266 |
|
267 |
op = opcodes.OpTestJobqueue(notify_waitlock=True, |
268 |
notify_exec=True, |
269 |
log_messages=test_messages, |
270 |
fail=fail) |
271 |
|
272 |
reporter = _JobQueueTestReporter() |
273 |
try: |
274 |
SubmitOpCode(op, reporter=reporter, opts=opts) |
275 |
except errors.OpExecError, err: |
276 |
if not fail: |
277 |
raise |
278 |
# Ignore error |
279 |
else: |
280 |
if fail: |
281 |
raise errors.OpExecError("Job didn't fail when it should") |
282 |
|
283 |
# Check received log messages |
284 |
if reporter.GetTestMessages() != test_messages: |
285 |
raise errors.OpExecError("Received test messages don't match input" |
286 |
" (input %r, received %r)" % |
287 |
(test_messages, reporter.GetTestMessages())) |
288 |
|
289 |
# Check final status |
290 |
job_id = reporter.GetJobId() |
291 |
|
292 |
jobdetails = cli.GetClient().QueryJobs([job_id], ["status"])[0] |
293 |
if not jobdetails: |
294 |
raise errors.OpExecError("Can't find job %s" % job_id) |
295 |
|
296 |
if fail: |
297 |
exp_status = constants.JOB_STATUS_ERROR |
298 |
else: |
299 |
exp_status = constants.JOB_STATUS_SUCCESS |
300 |
|
301 |
final_status = jobdetails[0] |
302 |
if final_status != exp_status: |
303 |
raise errors.OpExecError("Final job status is %s, not %s as expected" % |
304 |
(final_status, exp_status)) |
305 |
|
306 |
return 0 |
307 |
|
308 |
|
309 |
commands = { |
310 |
'delay': ( |
311 |
Delay, [ArgUnknown(min=1, max=1)], |
312 |
[cli_option("--no-master", dest="on_master", default=True, |
313 |
action="store_false", help="Do not sleep in the master code"), |
314 |
cli_option("-n", dest="on_nodes", default=[], |
315 |
action="append", help="Select nodes to sleep on"), |
316 |
cli_option("-r", "--repeat", type="int", default="0", dest="repeat", |
317 |
help="Number of times to repeat the sleep"), |
318 |
], |
319 |
"[opts...] <duration>", "Executes a TestDelay OpCode"), |
320 |
'submit-job': ( |
321 |
GenericOpCodes, [ArgFile(min=1)], |
322 |
[VERBOSE_OPT, |
323 |
cli_option("--op-repeat", type="int", default="1", dest="rep_op", |
324 |
help="Repeat the opcode sequence this number of times"), |
325 |
cli_option("--job-repeat", type="int", default="1", dest="rep_job", |
326 |
help="Repeat the job this number of times"), |
327 |
cli_option("--timing-stats", default=False, |
328 |
action="store_true", help="Show timing stats"), |
329 |
cli_option("--each", default=False, action="store_true", |
330 |
help="Submit each job separately"), |
331 |
], |
332 |
"<op_list_file...>", "Submits jobs built from json files" |
333 |
" containing a list of serialized opcodes"), |
334 |
'allocator': ( |
335 |
TestAllocator, [ArgUnknown(min=1)], |
336 |
[cli_option("--dir", dest="direction", |
337 |
default="in", choices=["in", "out"], |
338 |
help="Show allocator input (in) or allocator" |
339 |
" results (out)"), |
340 |
IALLOCATOR_OPT, |
341 |
cli_option("-m", "--mode", default="relocate", |
342 |
choices=["relocate", "allocate", "multi-evacuate"], |
343 |
help="Request mode, either allocate or relocate"), |
344 |
cli_option("--mem", default=128, type="unit", |
345 |
help="Memory size for the instance (MiB)"), |
346 |
cli_option("--disks", default="4096,4096", |
347 |
help="Comma separated list of disk sizes (MiB)"), |
348 |
DISK_TEMPLATE_OPT, |
349 |
cli_option("--nics", default="00:11:22:33:44:55", |
350 |
help="Comma separated list of nics, each nic" |
351 |
" definition is of form mac/ip/bridge, if" |
352 |
" missing values are replace by None"), |
353 |
OS_OPT, |
354 |
cli_option("-p", "--vcpus", default=1, type="int", |
355 |
help="Select number of VCPUs for the instance"), |
356 |
cli_option("--tags", default=None, |
357 |
help="Comma separated list of tags"), |
358 |
], |
359 |
"{opts...} <instance>", "Executes a TestAllocator OpCode"), |
360 |
"test-jobqueue": ( |
361 |
TestJobqueue, ARGS_NONE, [], |
362 |
"", "Test a few aspects of the job queue") |
363 |
} |
364 |
|
365 |
|
366 |
if __name__ == '__main__': |
367 |
sys.exit(GenericMain(commands)) |