root / scripts / gnt-job @ 682f7601
History | View | Annotate | Download (10.8 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 |
"""Job related commands""" |
22 |
|
23 |
# pylint: disable-msg=W0401,W0613,W0614,C0103 |
24 |
# W0401: Wildcard import ganeti.cli |
25 |
# W0613: Unused argument, since all functions follow the same API |
26 |
# W0614: Unused import %s from wildcard import (since we need cli) |
27 |
# C0103: Invalid name gnt-job |
28 |
|
29 |
import sys |
30 |
|
31 |
from ganeti.cli import * |
32 |
from ganeti import constants |
33 |
from ganeti import errors |
34 |
from ganeti import utils |
35 |
from ganeti import cli |
36 |
|
37 |
|
38 |
#: default list of fields for L{ListJobs} |
39 |
_LIST_DEF_FIELDS = ["id", "status", "summary"] |
40 |
|
41 |
#: map converting the job status contants to user-visible |
42 |
#: names |
43 |
_USER_JOB_STATUS = { |
44 |
constants.JOB_STATUS_QUEUED: "queued", |
45 |
constants.JOB_STATUS_WAITLOCK: "waiting", |
46 |
constants.JOB_STATUS_CANCELING: "canceling", |
47 |
constants.JOB_STATUS_RUNNING: "running", |
48 |
constants.JOB_STATUS_CANCELED: "canceled", |
49 |
constants.JOB_STATUS_SUCCESS: "success", |
50 |
constants.JOB_STATUS_ERROR: "error", |
51 |
} |
52 |
|
53 |
|
54 |
def ListJobs(opts, args): |
55 |
"""List the jobs |
56 |
|
57 |
@param opts: the command line options selected by the user |
58 |
@type args: list |
59 |
@param args: should be an empty list |
60 |
@rtype: int |
61 |
@return: the desired exit code |
62 |
|
63 |
""" |
64 |
if opts.output is None: |
65 |
selected_fields = _LIST_DEF_FIELDS |
66 |
elif opts.output.startswith("+"): |
67 |
selected_fields = _LIST_DEF_FIELDS + opts.output[1:].split(",") |
68 |
else: |
69 |
selected_fields = opts.output.split(",") |
70 |
|
71 |
output = GetClient().QueryJobs(args, selected_fields) |
72 |
if not opts.no_headers: |
73 |
# TODO: Implement more fields |
74 |
headers = { |
75 |
"id": "ID", |
76 |
"status": "Status", |
77 |
"ops": "OpCodes", |
78 |
"opresult": "OpCode_result", |
79 |
"opstatus": "OpCode_status", |
80 |
"oplog": "OpCode_log", |
81 |
"summary": "Summary", |
82 |
"opstart": "OpCode_start", |
83 |
"opend": "OpCode_end", |
84 |
"start_ts": "Start", |
85 |
"end_ts": "End", |
86 |
"received_ts": "Received", |
87 |
"lock_status": "LockStatus", |
88 |
} |
89 |
else: |
90 |
headers = None |
91 |
|
92 |
# change raw values to nicer strings |
93 |
for row_id, row in enumerate(output): |
94 |
if row is None: |
95 |
ToStderr("No such job: %s" % args[row_id]) |
96 |
continue |
97 |
|
98 |
for idx, field in enumerate(selected_fields): |
99 |
val = row[idx] |
100 |
if field == "status": |
101 |
if val in _USER_JOB_STATUS: |
102 |
val = _USER_JOB_STATUS[val] |
103 |
else: |
104 |
raise errors.ProgrammerError("Unknown job status code '%s'" % val) |
105 |
elif field == "summary": |
106 |
val = ",".join(val) |
107 |
elif field in ("start_ts", "end_ts", "received_ts"): |
108 |
val = FormatTimestamp(val) |
109 |
elif field in ("opstart", "opend"): |
110 |
val = [FormatTimestamp(entry) for entry in val] |
111 |
elif field == "lock_status" and not val: |
112 |
val = "-" |
113 |
|
114 |
row[idx] = str(val) |
115 |
|
116 |
data = GenerateTable(separator=opts.separator, headers=headers, |
117 |
fields=selected_fields, data=output) |
118 |
for line in data: |
119 |
ToStdout(line) |
120 |
|
121 |
return 0 |
122 |
|
123 |
|
124 |
def ArchiveJobs(opts, args): |
125 |
"""Archive jobs. |
126 |
|
127 |
@param opts: the command line options selected by the user |
128 |
@type args: list |
129 |
@param args: should contain the job IDs to be archived |
130 |
@rtype: int |
131 |
@return: the desired exit code |
132 |
|
133 |
""" |
134 |
client = GetClient() |
135 |
|
136 |
for job_id in args: |
137 |
client.ArchiveJob(job_id) |
138 |
|
139 |
return 0 |
140 |
|
141 |
|
142 |
def AutoArchiveJobs(opts, args): |
143 |
"""Archive jobs based on age. |
144 |
|
145 |
This will archive jobs based on their age, or all jobs if a 'all' is |
146 |
passed. |
147 |
|
148 |
@param opts: the command line options selected by the user |
149 |
@type args: list |
150 |
@param args: should contain only one element, the age as a time spec |
151 |
that can be parsed by L{ganeti.cli.ParseTimespec} or the |
152 |
keyword I{all}, which will cause all jobs to be archived |
153 |
@rtype: int |
154 |
@return: the desired exit code |
155 |
|
156 |
""" |
157 |
client = GetClient() |
158 |
|
159 |
age = args[0] |
160 |
|
161 |
if age == 'all': |
162 |
age = -1 |
163 |
else: |
164 |
age = ParseTimespec(age) |
165 |
|
166 |
(archived_count, jobs_left) = client.AutoArchiveJobs(age) |
167 |
ToStdout("Archived %s jobs, %s unchecked left", archived_count, jobs_left) |
168 |
|
169 |
return 0 |
170 |
|
171 |
|
172 |
def CancelJobs(opts, args): |
173 |
"""Cancel not-yet-started jobs. |
174 |
|
175 |
@param opts: the command line options selected by the user |
176 |
@type args: list |
177 |
@param args: should contain the job IDs to be cancelled |
178 |
@rtype: int |
179 |
@return: the desired exit code |
180 |
|
181 |
""" |
182 |
client = GetClient() |
183 |
|
184 |
for job_id in args: |
185 |
(_, msg) = client.CancelJob(job_id) |
186 |
ToStdout(msg) |
187 |
|
188 |
# TODO: Different exit value if not all jobs were canceled? |
189 |
return 0 |
190 |
|
191 |
|
192 |
def ShowJobs(opts, args): |
193 |
"""Show detailed information about jobs. |
194 |
|
195 |
@param opts: the command line options selected by the user |
196 |
@type args: list |
197 |
@param args: should contain the job IDs to be queried |
198 |
@rtype: int |
199 |
@return: the desired exit code |
200 |
|
201 |
""" |
202 |
def format(level, text): |
203 |
"""Display the text indented.""" |
204 |
ToStdout("%s%s", " " * level, text) |
205 |
|
206 |
def result_helper(value): |
207 |
"""Format a result field in a nice way.""" |
208 |
if isinstance(value, (tuple, list)): |
209 |
return "[%s]" % utils.CommaJoin(value) |
210 |
else: |
211 |
return str(value) |
212 |
|
213 |
selected_fields = [ |
214 |
"id", "status", "ops", "opresult", "opstatus", "oplog", |
215 |
"opstart", "opend", "received_ts", "start_ts", "end_ts", |
216 |
] |
217 |
|
218 |
result = GetClient().QueryJobs(args, selected_fields) |
219 |
|
220 |
first = True |
221 |
|
222 |
for idx, entry in enumerate(result): |
223 |
if not first: |
224 |
format(0, "") |
225 |
else: |
226 |
first = False |
227 |
|
228 |
if entry is None: |
229 |
if idx <= len(args): |
230 |
format(0, "Job ID %s not found" % args[idx]) |
231 |
else: |
232 |
# this should not happen, when we don't pass args it will be a |
233 |
# valid job returned |
234 |
format(0, "Job ID requested as argument %s not found" % (idx + 1)) |
235 |
continue |
236 |
|
237 |
(job_id, status, ops, opresult, opstatus, oplog, |
238 |
opstart, opend, recv_ts, start_ts, end_ts) = entry |
239 |
format(0, "Job ID: %s" % job_id) |
240 |
if status in _USER_JOB_STATUS: |
241 |
status = _USER_JOB_STATUS[status] |
242 |
else: |
243 |
raise errors.ProgrammerError("Unknown job status code '%s'" % status) |
244 |
|
245 |
format(1, "Status: %s" % status) |
246 |
|
247 |
if recv_ts is not None: |
248 |
format(1, "Received: %s" % FormatTimestamp(recv_ts)) |
249 |
else: |
250 |
format(1, "Missing received timestamp (%s)" % str(recv_ts)) |
251 |
|
252 |
if start_ts is not None: |
253 |
if recv_ts is not None: |
254 |
d1 = start_ts[0] - recv_ts[0] + (start_ts[1] - recv_ts[1]) / 1000000.0 |
255 |
delta = " (delta %.6fs)" % d1 |
256 |
else: |
257 |
delta = "" |
258 |
format(1, "Processing start: %s%s" % (FormatTimestamp(start_ts), delta)) |
259 |
else: |
260 |
format(1, "Processing start: unknown (%s)" % str(start_ts)) |
261 |
|
262 |
if end_ts is not None: |
263 |
if start_ts is not None: |
264 |
d2 = end_ts[0] - start_ts[0] + (end_ts[1] - start_ts[1]) / 1000000.0 |
265 |
delta = " (delta %.6fs)" % d2 |
266 |
else: |
267 |
delta = "" |
268 |
format(1, "Processing end: %s%s" % (FormatTimestamp(end_ts), delta)) |
269 |
else: |
270 |
format(1, "Processing end: unknown (%s)" % str(end_ts)) |
271 |
|
272 |
if end_ts is not None and recv_ts is not None: |
273 |
d3 = end_ts[0] - recv_ts[0] + (end_ts[1] - recv_ts[1]) / 1000000.0 |
274 |
format(1, "Total processing time: %.6f seconds" % d3) |
275 |
else: |
276 |
format(1, "Total processing time: N/A") |
277 |
format(1, "Opcodes:") |
278 |
for (opcode, result, status, log, s_ts, e_ts) in \ |
279 |
zip(ops, opresult, opstatus, oplog, opstart, opend): |
280 |
format(2, "%s" % opcode["OP_ID"]) |
281 |
format(3, "Status: %s" % status) |
282 |
if isinstance(s_ts, (tuple, list)): |
283 |
format(3, "Processing start: %s" % FormatTimestamp(s_ts)) |
284 |
else: |
285 |
format(3, "No processing start time") |
286 |
if isinstance(e_ts, (tuple, list)): |
287 |
format(3, "Processing end: %s" % FormatTimestamp(e_ts)) |
288 |
else: |
289 |
format(3, "No processing end time") |
290 |
format(3, "Input fields:") |
291 |
for key, val in opcode.iteritems(): |
292 |
if key == "OP_ID": |
293 |
continue |
294 |
if isinstance(val, (tuple, list)): |
295 |
val = ",".join([str(item) for item in val]) |
296 |
format(4, "%s: %s" % (key, val)) |
297 |
if result is None: |
298 |
format(3, "No output data") |
299 |
elif isinstance(result, (tuple, list)): |
300 |
if not result: |
301 |
format(3, "Result: empty sequence") |
302 |
else: |
303 |
format(3, "Result:") |
304 |
for elem in result: |
305 |
format(4, result_helper(elem)) |
306 |
elif isinstance(result, dict): |
307 |
if not result: |
308 |
format(3, "Result: empty dictionary") |
309 |
else: |
310 |
for key, val in result.iteritems(): |
311 |
format(4, "%s: %s" % (key, result_helper(val))) |
312 |
else: |
313 |
format(3, "Result: %s" % result) |
314 |
format(3, "Execution log:") |
315 |
for serial, log_ts, log_type, log_msg in log: |
316 |
time_txt = FormatTimestamp(log_ts) |
317 |
encoded = utils.SafeEncode(log_msg) |
318 |
format(4, "%s:%s:%s %s" % (serial, time_txt, log_type, encoded)) |
319 |
return 0 |
320 |
|
321 |
|
322 |
def WatchJob(opts, args): |
323 |
"""Follow a job and print its output as it arrives. |
324 |
|
325 |
@param opts: the command line options selected by the user |
326 |
@type args: list |
327 |
@param args: Contains the job ID |
328 |
@rtype: int |
329 |
@return: the desired exit code |
330 |
|
331 |
""" |
332 |
job_id = args[0] |
333 |
|
334 |
msg = ("Output from job %s follows" % job_id) |
335 |
ToStdout(msg) |
336 |
ToStdout("-" * len(msg)) |
337 |
|
338 |
retcode = 0 |
339 |
try: |
340 |
cli.PollJob(job_id) |
341 |
except errors.GenericError, err: |
342 |
(retcode, job_result) = cli.FormatError(err) |
343 |
ToStderr("Job %s failed: %s", job_id, job_result) |
344 |
|
345 |
return retcode |
346 |
|
347 |
|
348 |
commands = { |
349 |
'list': ( |
350 |
ListJobs, [ArgJobId()], |
351 |
[NOHDR_OPT, SEP_OPT, FIELDS_OPT], |
352 |
"[job_id ...]", |
353 |
"List the jobs and their status. The available fields are" |
354 |
" (see the man page for details): id, status, op_list," |
355 |
" op_status, op_result." |
356 |
" The default field" |
357 |
" list is (in order): %s." % utils.CommaJoin(_LIST_DEF_FIELDS)), |
358 |
'archive': ( |
359 |
ArchiveJobs, [ArgJobId(min=1)], [], |
360 |
"<job-id> [<job-id> ...]", "Archive specified jobs"), |
361 |
'autoarchive': ( |
362 |
AutoArchiveJobs, |
363 |
[ArgSuggest(min=1, max=1, choices=["1d", "1w", "4w"])], |
364 |
[], |
365 |
"<age>", "Auto archive jobs older than the given age"), |
366 |
'cancel': ( |
367 |
CancelJobs, [ArgJobId(min=1)], [], |
368 |
"<job-id> [<job-id> ...]", "Cancel specified jobs"), |
369 |
'info': ( |
370 |
ShowJobs, [ArgJobId(min=1)], [], |
371 |
"<job-id> [<job-id> ...]", |
372 |
"Show detailed information about the specified jobs"), |
373 |
'watch': ( |
374 |
WatchJob, [ArgJobId(min=1, max=1)], [], |
375 |
"<job-id>", "Follows a job and prints its output as it arrives"), |
376 |
} |
377 |
|
378 |
|
379 |
if __name__ == '__main__': |
380 |
sys.exit(GenericMain(commands)) |