4 # Copyright (C) 2006, 2007, 2012 Google Inc.
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.
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.
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
21 """Job related commands"""
23 # pylint: disable=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
29 from ganeti.cli import *
30 from ganeti import constants
31 from ganeti import errors
32 from ganeti import utils
33 from ganeti import cli
34 from ganeti import qlang
37 #: default list of fields for L{ListJobs}
38 _LIST_DEF_FIELDS = ["id", "status", "summary"]
40 #: map converting the job status contants to user-visible
43 constants.JOB_STATUS_QUEUED: "queued",
44 constants.JOB_STATUS_WAITING: "waiting",
45 constants.JOB_STATUS_CANCELING: "canceling",
46 constants.JOB_STATUS_RUNNING: "running",
47 constants.JOB_STATUS_CANCELED: "canceled",
48 constants.JOB_STATUS_SUCCESS: "success",
49 constants.JOB_STATUS_ERROR: "error",
53 def _FormatStatus(value):
54 """Formats a job status.
58 return _USER_JOB_STATUS[value]
60 raise errors.ProgrammerError("Unknown job status code '%s'" % value)
63 def _ParseJobIds(args):
64 """Parses a list of string job IDs into integers.
66 @param args: list of strings
67 @return: list of integers
68 @raise OpPrereqError: in case of invalid values
72 return [int(a) for a in args]
73 except (ValueError, TypeError), err:
74 raise errors.OpPrereqError("Invalid job ID passed: %s" % err,
78 def ListJobs(opts, args):
81 @param opts: the command line options selected by the user
83 @param args: should be an empty list
85 @return: the desired exit code
88 selected_fields = ParseFields(opts.output, _LIST_DEF_FIELDS)
91 "status": (_FormatStatus, False),
92 "summary": (lambda value: ",".join(str(item) for item in value), False),
94 fmtoverride.update(dict.fromkeys(["opstart", "opexec", "opend"],
95 (lambda value: map(FormatTimestamp, value),
98 qfilter = qlang.MakeSimpleFilter("status", opts.status_filter)
100 return GenericList(constants.QR_JOB, selected_fields, args, None,
101 opts.separator, not opts.no_headers,
102 format_override=fmtoverride, verbose=opts.verbose,
103 force_filter=opts.force_filter, namefield="id",
104 qfilter=qfilter, isnumeric=True)
107 def ListJobFields(opts, args):
110 @param opts: the command line options selected by the user
112 @param args: fields to list, or empty for all
114 @return: the desired exit code
117 return GenericListFields(constants.QR_JOB, args, opts.separator,
121 def ArchiveJobs(opts, args):
124 @param opts: the command line options selected by the user
126 @param args: should contain the job IDs to be archived
128 @return: the desired exit code
135 if not client.ArchiveJob(job_id):
136 ToStderr("Failed to archive job with ID '%s'", job_id)
142 def AutoArchiveJobs(opts, args):
143 """Archive jobs based on age.
145 This will archive jobs based on their age, or all jobs if a 'all' is
148 @param opts: the command line options selected by the user
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
154 @return: the desired exit code
164 age = ParseTimespec(age)
166 (archived_count, jobs_left) = client.AutoArchiveJobs(age)
167 ToStdout("Archived %s jobs, %s unchecked left", archived_count, jobs_left)
172 def CancelJobs(opts, args):
173 """Cancel not-yet-started jobs.
175 @param opts: the command line options selected by the user
177 @param args: should contain the job IDs to be cancelled
179 @return: the desired exit code
183 result = constants.EXIT_SUCCESS
186 (success, msg) = client.CancelJob(job_id)
189 result = constants.EXIT_FAILURE
196 def ShowJobs(opts, args):
197 """Show detailed information about jobs.
199 @param opts: the command line options selected by the user
201 @param args: should contain the job IDs to be queried
203 @return: the desired exit code
206 def format_msg(level, text):
207 """Display the text indented."""
208 ToStdout("%s%s", " " * level, text)
210 def result_helper(value):
211 """Format a result field in a nice way."""
212 if isinstance(value, (tuple, list)):
213 return "[%s]" % utils.CommaJoin(value)
218 "id", "status", "ops", "opresult", "opstatus", "oplog",
219 "opstart", "opexec", "opend", "received_ts", "start_ts", "end_ts",
222 qfilter = qlang.MakeSimpleFilter("id", _ParseJobIds(args))
223 result = GetClient().Query(constants.QR_JOB, selected_fields, qfilter).data
233 ((_, job_id), (rs_status, status), (_, ops), (_, opresult), (_, opstatus),
234 (_, oplog), (_, opstart), (_, opexec), (_, opend), (_, recv_ts),
235 (_, start_ts), (_, end_ts)) = entry
237 # Detect non-normal results
238 if rs_status != constants.RS_NORMAL:
239 format_msg(0, "Job ID %s not found" % job_id)
242 format_msg(0, "Job ID: %s" % job_id)
243 if status in _USER_JOB_STATUS:
244 status = _USER_JOB_STATUS[status]
246 raise errors.ProgrammerError("Unknown job status code '%s'" % status)
248 format_msg(1, "Status: %s" % status)
250 if recv_ts is not None:
251 format_msg(1, "Received: %s" % FormatTimestamp(recv_ts))
253 format_msg(1, "Missing received timestamp (%s)" % str(recv_ts))
255 if start_ts is not None:
256 if recv_ts is not None:
257 d1 = start_ts[0] - recv_ts[0] + (start_ts[1] - recv_ts[1]) / 1000000.0
258 delta = " (delta %.6fs)" % d1
261 format_msg(1, "Processing start: %s%s" %
262 (FormatTimestamp(start_ts), delta))
264 format_msg(1, "Processing start: unknown (%s)" % str(start_ts))
266 if end_ts is not None:
267 if start_ts is not None:
268 d2 = end_ts[0] - start_ts[0] + (end_ts[1] - start_ts[1]) / 1000000.0
269 delta = " (delta %.6fs)" % d2
272 format_msg(1, "Processing end: %s%s" %
273 (FormatTimestamp(end_ts), delta))
275 format_msg(1, "Processing end: unknown (%s)" % str(end_ts))
277 if end_ts is not None and recv_ts is not None:
278 d3 = end_ts[0] - recv_ts[0] + (end_ts[1] - recv_ts[1]) / 1000000.0
279 format_msg(1, "Total processing time: %.6f seconds" % d3)
281 format_msg(1, "Total processing time: N/A")
282 format_msg(1, "Opcodes:")
283 for (opcode, result, status, log, s_ts, x_ts, e_ts) in \
284 zip(ops, opresult, opstatus, oplog, opstart, opexec, opend):
285 format_msg(2, "%s" % opcode["OP_ID"])
286 format_msg(3, "Status: %s" % status)
287 if isinstance(s_ts, (tuple, list)):
288 format_msg(3, "Processing start: %s" % FormatTimestamp(s_ts))
290 format_msg(3, "No processing start time")
291 if isinstance(x_ts, (tuple, list)):
292 format_msg(3, "Execution start: %s" % FormatTimestamp(x_ts))
294 format_msg(3, "No execution start time")
295 if isinstance(e_ts, (tuple, list)):
296 format_msg(3, "Processing end: %s" % FormatTimestamp(e_ts))
298 format_msg(3, "No processing end time")
299 format_msg(3, "Input fields:")
300 for key in utils.NiceSort(opcode.keys()):
304 if isinstance(val, (tuple, list)):
305 val = ",".join([str(item) for item in val])
306 format_msg(4, "%s: %s" % (key, val))
308 format_msg(3, "No output data")
309 elif isinstance(result, (tuple, list)):
311 format_msg(3, "Result: empty sequence")
313 format_msg(3, "Result:")
315 format_msg(4, result_helper(elem))
316 elif isinstance(result, dict):
318 format_msg(3, "Result: empty dictionary")
320 format_msg(3, "Result:")
321 for key, val in result.iteritems():
322 format_msg(4, "%s: %s" % (key, result_helper(val)))
324 format_msg(3, "Result: %s" % result)
325 format_msg(3, "Execution log:")
326 for serial, log_ts, log_type, log_msg in log:
327 time_txt = FormatTimestamp(log_ts)
328 encoded = FormatLogMessage(log_type, log_msg)
329 format_msg(4, "%s:%s:%s %s" % (serial, time_txt, log_type, encoded))
333 def WatchJob(opts, args):
334 """Follow a job and print its output as it arrives.
336 @param opts: the command line options selected by the user
338 @param args: Contains the job ID
340 @return: the desired exit code
345 msg = ("Output from job %s follows" % job_id)
347 ToStdout("-" * len(msg))
352 except errors.GenericError, err:
353 (retcode, job_result) = cli.FormatError(err)
354 ToStderr("Job %s failed: %s", job_id, job_result)
360 cli_option("--pending", default=None,
361 action="store_const", dest="status_filter",
363 constants.JOB_STATUS_QUEUED,
364 constants.JOB_STATUS_WAITING,
366 help="Show only jobs pending execution")
369 cli_option("--running", default=None,
370 action="store_const", dest="status_filter",
372 constants.JOB_STATUS_RUNNING,
374 help="Show jobs currently running only")
377 cli_option("--error", default=None,
378 action="store_const", dest="status_filter",
380 constants.JOB_STATUS_ERROR,
382 help="Show failed jobs only")
385 cli_option("--finished", default=None,
386 action="store_const", dest="status_filter",
387 const=constants.JOBS_FINALIZED,
388 help="Show finished jobs only")
393 ListJobs, [ArgJobId()],
394 [NOHDR_OPT, SEP_OPT, FIELDS_OPT, VERBOSE_OPT, FORCE_FILTER_OPT,
395 _PENDING_OPT, _RUNNING_OPT, _ERROR_OPT, _FINISHED_OPT],
397 "Lists the jobs and their status. The available fields can be shown"
398 " using the \"list-fields\" command (see the man page for details)."
399 " The default field list is (in order): %s." %
400 utils.CommaJoin(_LIST_DEF_FIELDS)),
402 ListJobFields, [ArgUnknown()],
403 [NOHDR_OPT, SEP_OPT],
405 "Lists all available fields for jobs"),
407 ArchiveJobs, [ArgJobId(min=1)], [],
408 "<job-id> [<job-id> ...]", "Archive specified jobs"),
411 [ArgSuggest(min=1, max=1, choices=["1d", "1w", "4w", "all"])],
413 "<age>", "Auto archive jobs older than the given age"),
415 CancelJobs, [ArgJobId(min=1)], [],
416 "<job-id> [<job-id> ...]", "Cancel specified jobs"),
418 ShowJobs, [ArgJobId(min=1)], [],
419 "<job-id> [<job-id> ...]",
420 "Show detailed information about the specified jobs"),
422 WatchJob, [ArgJobId(min=1, max=1)], [],
423 "<job-id>", "Follows a job and prints its output as it arrives"),
427 #: dictionary with aliases for commands
434 return GenericMain(commands, aliases=aliases)