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), None)))
97 qfilter = qlang.MakeSimpleFilter("status", opts.status_filter)
99 return GenericList(constants.QR_JOB, selected_fields, args, None,
100 opts.separator, not opts.no_headers,
101 format_override=fmtoverride, verbose=opts.verbose,
102 force_filter=opts.force_filter, namefield="id",
103 qfilter=qfilter, isnumeric=True)
106 def ListJobFields(opts, args):
109 @param opts: the command line options selected by the user
111 @param args: fields to list, or empty for all
113 @return: the desired exit code
116 return GenericListFields(constants.QR_JOB, args, opts.separator,
120 def ArchiveJobs(opts, args):
123 @param opts: the command line options selected by the user
125 @param args: should contain the job IDs to be archived
127 @return: the desired exit code
134 if not client.ArchiveJob(job_id):
135 ToStderr("Failed to archive job with ID '%s'", job_id)
141 def AutoArchiveJobs(opts, args):
142 """Archive jobs based on age.
144 This will archive jobs based on their age, or all jobs if a 'all' is
147 @param opts: the command line options selected by the user
149 @param args: should contain only one element, the age as a time spec
150 that can be parsed by L{ganeti.cli.ParseTimespec} or the
151 keyword I{all}, which will cause all jobs to be archived
153 @return: the desired exit code
163 age = ParseTimespec(age)
165 (archived_count, jobs_left) = client.AutoArchiveJobs(age)
166 ToStdout("Archived %s jobs, %s unchecked left", archived_count, jobs_left)
171 def CancelJobs(opts, args):
172 """Cancel not-yet-started jobs.
174 @param opts: the command line options selected by the user
176 @param args: should contain the job IDs to be cancelled
178 @return: the desired exit code
182 result = constants.EXIT_SUCCESS
185 (success, msg) = client.CancelJob(job_id)
188 result = constants.EXIT_FAILURE
195 def ShowJobs(opts, args):
196 """Show detailed information about jobs.
198 @param opts: the command line options selected by the user
200 @param args: should contain the job IDs to be queried
202 @return: the desired exit code
205 def format_msg(level, text):
206 """Display the text indented."""
207 ToStdout("%s%s", " " * level, text)
209 def result_helper(value):
210 """Format a result field in a nice way."""
211 if isinstance(value, (tuple, list)):
212 return "[%s]" % utils.CommaJoin(value)
217 "id", "status", "ops", "opresult", "opstatus", "oplog",
218 "opstart", "opexec", "opend", "received_ts", "start_ts", "end_ts",
221 qfilter = qlang.MakeSimpleFilter("id", _ParseJobIds(args))
222 result = GetClient().Query(constants.QR_JOB, selected_fields, qfilter).data
232 ((_, job_id), (rs_status, status), (_, ops), (_, opresult), (_, opstatus),
233 (_, oplog), (_, opstart), (_, opexec), (_, opend), (_, recv_ts),
234 (_, start_ts), (_, end_ts)) = entry
236 # Detect non-normal results
237 if rs_status != constants.RS_NORMAL:
238 format_msg(0, "Job ID %s not found" % job_id)
241 format_msg(0, "Job ID: %s" % job_id)
242 if status in _USER_JOB_STATUS:
243 status = _USER_JOB_STATUS[status]
245 raise errors.ProgrammerError("Unknown job status code '%s'" % status)
247 format_msg(1, "Status: %s" % status)
249 if recv_ts is not None:
250 format_msg(1, "Received: %s" % FormatTimestamp(recv_ts))
252 format_msg(1, "Missing received timestamp (%s)" % str(recv_ts))
254 if start_ts is not None:
255 if recv_ts is not None:
256 d1 = start_ts[0] - recv_ts[0] + (start_ts[1] - recv_ts[1]) / 1000000.0
257 delta = " (delta %.6fs)" % d1
260 format_msg(1, "Processing start: %s%s" %
261 (FormatTimestamp(start_ts), delta))
263 format_msg(1, "Processing start: unknown (%s)" % str(start_ts))
265 if end_ts is not None:
266 if start_ts is not None:
267 d2 = end_ts[0] - start_ts[0] + (end_ts[1] - start_ts[1]) / 1000000.0
268 delta = " (delta %.6fs)" % d2
271 format_msg(1, "Processing end: %s%s" %
272 (FormatTimestamp(end_ts), delta))
274 format_msg(1, "Processing end: unknown (%s)" % str(end_ts))
276 if end_ts is not None and recv_ts is not None:
277 d3 = end_ts[0] - recv_ts[0] + (end_ts[1] - recv_ts[1]) / 1000000.0
278 format_msg(1, "Total processing time: %.6f seconds" % d3)
280 format_msg(1, "Total processing time: N/A")
281 format_msg(1, "Opcodes:")
282 for (opcode, result, status, log, s_ts, x_ts, e_ts) in \
283 zip(ops, opresult, opstatus, oplog, opstart, opexec, opend):
284 format_msg(2, "%s" % opcode["OP_ID"])
285 format_msg(3, "Status: %s" % status)
286 if isinstance(s_ts, (tuple, list)):
287 format_msg(3, "Processing start: %s" % FormatTimestamp(s_ts))
289 format_msg(3, "No processing start time")
290 if isinstance(x_ts, (tuple, list)):
291 format_msg(3, "Execution start: %s" % FormatTimestamp(x_ts))
293 format_msg(3, "No execution start time")
294 if isinstance(e_ts, (tuple, list)):
295 format_msg(3, "Processing end: %s" % FormatTimestamp(e_ts))
297 format_msg(3, "No processing end time")
298 format_msg(3, "Input fields:")
299 for key in utils.NiceSort(opcode.keys()):
303 if isinstance(val, (tuple, list)):
304 val = ",".join([str(item) for item in val])
305 format_msg(4, "%s: %s" % (key, val))
307 format_msg(3, "No output data")
308 elif isinstance(result, (tuple, list)):
310 format_msg(3, "Result: empty sequence")
312 format_msg(3, "Result:")
314 format_msg(4, result_helper(elem))
315 elif isinstance(result, dict):
317 format_msg(3, "Result: empty dictionary")
319 format_msg(3, "Result:")
320 for key, val in result.iteritems():
321 format_msg(4, "%s: %s" % (key, result_helper(val)))
323 format_msg(3, "Result: %s" % result)
324 format_msg(3, "Execution log:")
325 for serial, log_ts, log_type, log_msg in log:
326 time_txt = FormatTimestamp(log_ts)
327 encoded = FormatLogMessage(log_type, log_msg)
328 format_msg(4, "%s:%s:%s %s" % (serial, time_txt, log_type, encoded))
332 def WatchJob(opts, args):
333 """Follow a job and print its output as it arrives.
335 @param opts: the command line options selected by the user
337 @param args: Contains the job ID
339 @return: the desired exit code
344 msg = ("Output from job %s follows" % job_id)
346 ToStdout("-" * len(msg))
351 except errors.GenericError, err:
352 (retcode, job_result) = cli.FormatError(err)
353 ToStderr("Job %s failed: %s", job_id, job_result)
359 cli_option("--pending", default=None,
360 action="store_const", dest="status_filter",
362 constants.JOB_STATUS_QUEUED,
363 constants.JOB_STATUS_WAITING,
365 help="Show only jobs pending execution")
368 cli_option("--running", default=None,
369 action="store_const", dest="status_filter",
371 constants.JOB_STATUS_RUNNING,
373 help="Show jobs currently running only")
376 cli_option("--error", default=None,
377 action="store_const", dest="status_filter",
379 constants.JOB_STATUS_ERROR,
381 help="Show failed jobs only")
384 cli_option("--finished", default=None,
385 action="store_const", dest="status_filter",
386 const=constants.JOBS_FINALIZED,
387 help="Show finished jobs only")
392 ListJobs, [ArgJobId()],
393 [NOHDR_OPT, SEP_OPT, FIELDS_OPT, VERBOSE_OPT, FORCE_FILTER_OPT,
394 _PENDING_OPT, _RUNNING_OPT, _ERROR_OPT, _FINISHED_OPT],
396 "Lists the jobs and their status. The available fields can be shown"
397 " using the \"list-fields\" command (see the man page for details)."
398 " The default field list is (in order): %s." %
399 utils.CommaJoin(_LIST_DEF_FIELDS)),
401 ListJobFields, [ArgUnknown()],
402 [NOHDR_OPT, SEP_OPT],
404 "Lists all available fields for jobs"),
406 ArchiveJobs, [ArgJobId(min=1)], [],
407 "<job-id> [<job-id> ...]", "Archive specified jobs"),
410 [ArgSuggest(min=1, max=1, choices=["1d", "1w", "4w", "all"])],
412 "<age>", "Auto archive jobs older than the given age"),
414 CancelJobs, [ArgJobId(min=1)], [],
415 "<job-id> [<job-id> ...]", "Cancel specified jobs"),
417 ShowJobs, [ArgJobId(min=1)], [],
418 "<job-id> [<job-id> ...]",
419 "Show detailed information about the specified jobs"),
421 WatchJob, [ArgJobId(min=1, max=1)], [],
422 "<job-id>", "Follows a job and prints its output as it arrives"),
426 #: dictionary with aliases for commands
433 return GenericMain(commands, aliases=aliases)