/
buildstep.py
972 lines (824 loc) · 34.5 KB
/
buildstep.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
# This file is part of Buildbot. Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
import re
from twisted.internet import defer
from twisted.internet import error
from twisted.python import components
from twisted.python import failure
from twisted.python import log
from twisted.python.failure import Failure
from twisted.python.reflect import accumulateClassList
from twisted.web.util import formatFailure
from zope.interface import implements
from buildbot import config
from buildbot import interfaces
from buildbot import util
from buildbot.process import logobserver
from buildbot.process import properties
from buildbot.process import remotecommand
from buildbot.status import progress
from buildbot.status.results import EXCEPTION
from buildbot.status.results import FAILURE
from buildbot.status.results import RETRY
from buildbot.status.results import SKIPPED
from buildbot.status.results import SUCCESS
from buildbot.status.results import WARNINGS
from buildbot.status.results import worst_status
from buildbot.util import debounce
from buildbot.util import flatten
from buildbot.util.eventual import eventually
class BuildStepFailed(Exception):
pass
# old import paths for these classes
RemoteCommand = remotecommand.RemoteCommand
LoggedRemoteCommand = remotecommand.LoggedRemoteCommand
RemoteShellCommand = remotecommand.RemoteShellCommand
LogObserver = logobserver.LogObserver
LogLineObserver = logobserver.LogLineObserver
OutputProgressObserver = logobserver.OutputProgressObserver
_hush_pyflakes = [
RemoteCommand, LoggedRemoteCommand, RemoteShellCommand,
LogObserver, LogLineObserver, OutputProgressObserver]
class _BuildStepFactory(util.ComparableMixin):
"""
This is a wrapper to record the arguments passed to as BuildStep subclass.
We use an instance of this class, rather than a closure mostly to make it
easier to test that the right factories are getting created.
"""
compare_attrs = ['factory', 'args', 'kwargs']
implements(interfaces.IBuildStepFactory)
def __init__(self, factory, *args, **kwargs):
self.factory = factory
self.args = args
self.kwargs = kwargs
def buildStep(self):
try:
return self.factory(*self.args, **self.kwargs)
except Exception:
log.msg("error while creating step, factory=%s, args=%s, kwargs=%s"
% (self.factory, self.args, self.kwargs))
raise
class BuildStep(object, properties.PropertiesMixin):
haltOnFailure = False
flunkOnWarnings = False
flunkOnFailure = False
warnOnWarnings = False
warnOnFailure = False
alwaysRun = False
doStepIf = True
hideStepIf = False
# properties set on a build step are, by nature, always runtime properties
set_runtime_properties = True
renderables = [
'haltOnFailure',
'flunkOnWarnings',
'flunkOnFailure',
'warnOnWarnings',
'warnOnFailure',
'alwaysRun',
'doStepIf',
'hideStepIf',
]
# 'parms' holds a list of all the parameters we care about, to allow
# users to instantiate a subclass of BuildStep with a mixture of
# arguments, some of which are for us, some of which are for the subclass
# (or a delegate of the subclass, like how ShellCommand delivers many
# arguments to the RemoteShellCommand that it creates). Such delegating
# subclasses will use this list to figure out which arguments are meant
# for us and which should be given to someone else.
parms = ['name', 'locks',
'haltOnFailure',
'flunkOnWarnings',
'flunkOnFailure',
'warnOnWarnings',
'warnOnFailure',
'alwaysRun',
'progressMetrics',
'useProgress',
'doStepIf',
'hideStepIf',
'description',
'descriptionDone',
'descriptionSuffix',
]
name = "generic"
description = None # set this to a list of short strings to override
descriptionDone = None # alternate description when the step is complete
descriptionSuffix = None # extra information to append to suffix
locks = []
progressMetrics = () # 'time' is implicit
useProgress = True # set to False if step is really unpredictable
build = None
buildslave = None
progress = None
cmd = None
_step_status = None
def __init__(self, **kwargs):
for p in self.__class__.parms:
if p in kwargs:
setattr(self, p, kwargs[p])
del kwargs[p]
if kwargs:
config.error("%s.__init__ got unexpected keyword argument(s) %s"
% (self.__class__, kwargs.keys()))
self._pendingLogObservers = []
if not isinstance(self.name, str):
config.error("BuildStep name must be a string: %r" % (self.name,))
self._acquiringLock = None
self.stopped = False
self.master = None
def __new__(klass, *args, **kwargs):
self = object.__new__(klass)
self._factory = _BuildStepFactory(klass, *args, **kwargs)
return self
def _describe(self, done=False):
if self.descriptionDone and done:
return self.descriptionDone
elif self.description:
return self.description
return [self.name]
def describe(self, done=False):
desc = self._describe(done)
if self.descriptionSuffix:
desc = desc + self.descriptionSuffix
return desc
def setBuild(self, build):
self.build = build
self.master = self.build.master
def setBuildSlave(self, buildslave):
self.buildslave = buildslave
def setDefaultWorkdir(self, workdir):
pass
def addFactoryArguments(self, **kwargs):
# this is here for backwards compatibility
pass
def _getStepFactory(self):
return self._factory
@property
def step_status(self):
assert not self.isNewStyle(
), "self.step_status is not available in new-style steps"
return self._step_status
def setStepStatus(self, step_status):
self._step_status = step_status
def setupProgress(self):
if self.useProgress:
sp = progress.StepProgress(self.name, self.progressMetrics)
self.progress = sp
self._step_status.setProgress(sp)
return sp
return None
def setProgress(self, metric, value):
if self.progress:
self.progress.setProgress(metric, value)
def setStateStrings(self, strings):
self._step_status.old_setText(strings)
self._step_status.old_setText2(strings)
return defer.succeed(None)
def getCurrentSummary(self):
return u'running'
def getResultSummary(self):
return {}
@debounce.method(wait=1)
@defer.inlineCallbacks
def updateSummary(self):
assert self.isNewStyle(), "updateSummary is a new-style step method"
if self._step_status.isFinished():
resultSummary = yield self.getResultSummary()
stepResult = resultSummary.get('step', u'finished')
assert isinstance(stepResult, unicode), \
"step result must be unicode"
self._step_status.setText([stepResult])
buildResult = resultSummary.get('build', None)
assert buildResult is None or isinstance(buildResult, unicode), \
"build result must be unicode"
self._step_status.setText2([buildResult] if buildResult else [])
else:
stepSummary = yield self.getCurrentSummary()
assert isinstance(stepSummary, unicode), \
"step summary must be unicode"
self._step_status.setText([stepSummary])
@defer.inlineCallbacks
def startStep(self, remote):
self.remote = remote
isNew = self.isNewStyle()
old_finished = self.finished
old_failed = self.failed
if isNew:
def nope(*args, **kwargs):
raise AssertionError("new-style steps must not call "
"this method")
self.finished = nope
self.failed = nope
# convert all locks into their real form
self.locks = [(self.build.builder.botmaster.getLockByID(access.lockid), access)
for access in self.locks]
# then narrow SlaveLocks down to the slave that this build is being
# run on
self.locks = [(l.getLock(self.build.slavebuilder.slave), la)
for l, la in self.locks]
for l, la in self.locks:
if l in self.build.locks:
log.msg("Hey, lock %s is claimed by both a Step (%s) and the"
" parent Build (%s)" % (l, self, self.build))
raise RuntimeError("lock claimed by both Step and Build")
self.deferred = defer.Deferred()
# Set the step's text here so that the stepStarted notification sees
# the correct description
self._step_status.setText(self.describe(False))
self._step_status.stepStarted()
try:
# set up locks
yield self.acquireLocks()
if self.stopped:
old_finished(EXCEPTION)
defer.returnValue((yield self.deferred))
# ste up progress
if self.progress:
self.progress.start()
# check doStepIf
if isinstance(self.doStepIf, bool):
doStep = self.doStepIf
else:
doStep = yield self.doStepIf(self)
# render renderables in parallel
renderables = []
accumulateClassList(self.__class__, 'renderables', renderables)
def setRenderable(res, attr):
setattr(self, attr, res)
dl = []
for renderable in renderables:
d = self.build.render(getattr(self, renderable))
d.addCallback(setRenderable, renderable)
dl.append(d)
yield defer.gatherResults(dl)
try:
if doStep:
if isNew:
result = yield self.run()
assert isinstance(result, int), \
"run must return an integer (via Deferred)"
old_finished(result)
else:
result = yield self.start()
if result == SKIPPED:
doStep = False
except Exception:
log.msg("BuildStep.startStep exception in .start")
self.finished = old_finished
old_failed(Failure())
if not doStep:
self._step_status.setText(self.describe(True) + ['skipped'])
self._step_status.setSkipped(True)
# this return value from self.start is a shortcut to finishing
# the step immediately; we skip calling finished() as
# subclasses may have overridden that an expect it to be called
# after start() (bug #837)
eventually(self._finishFinished, SKIPPED)
except Exception:
self.finished = old_finished
old_failed(Failure())
# and finally, wait for self.deferred to get triggered and return its
# value
defer.returnValue((yield self.deferred))
def acquireLocks(self, res=None):
self._acquiringLock = None
if not self.locks:
return defer.succeed(None)
if self.stopped:
return defer.succeed(None)
log.msg("acquireLocks(step %s, locks %s)" % (self, self.locks))
for lock, access in self.locks:
if not lock.isAvailable(self, access):
self._step_status.setWaitingForLocks(True)
log.msg("step %s waiting for lock %s" % (self, lock))
d = lock.waitUntilMaybeAvailable(self, access)
d.addCallback(self.acquireLocks)
self._acquiringLock = (lock, access, d)
return d
# all locks are available, claim them all
for lock, access in self.locks:
lock.claim(self, access)
self._step_status.setWaitingForLocks(False)
return defer.succeed(None)
def isNewStyle(self):
# **temporary** method until new-style steps are the only supported style
return self.run.im_func is not BuildStep.run.im_func
def run(self):
# new-style tests override this, by definition.
# old-style tests don't call it.
raise NotImplementedError
def start(self):
raise NotImplementedError("your subclass must implement run()")
def interrupt(self, reason):
self.stopped = True
if self._acquiringLock:
lock, access, d = self._acquiringLock
lock.stopWaitingUntilAvailable(self, access, d)
d.callback(None)
def releaseLocks(self):
log.msg("releaseLocks(%s): %s" % (self, self.locks))
for lock, access in self.locks:
if lock.isOwner(self, access):
lock.release(self, access)
else:
# This should only happen if we've been interrupted
assert self.stopped
def finished(self, results):
if self.stopped and results != RETRY:
# We handle this specially because we don't care about
# the return code of an interrupted command; we know
# that this should just be exception due to interrupt
# At the same time we must respect RETRY status because it's used
# to retry interrupted build due to some other issues for example
# due to slave lost
if results != RETRY:
results = EXCEPTION
self._step_status.setText(self.describe(True) +
["interrupted"])
self._step_status.setText2(["interrupted"])
self._finishFinished(results)
def _finishFinished(self, results):
# internal function to indicate that this step is done; this is separated
# from finished() so that subclasses can override finished()
if self.progress:
self.progress.finish()
try:
hidden = self._maybeEvaluate(self.hideStepIf, results, self)
except Exception:
why = Failure()
self.addHTMLLog("err.html", formatFailure(why))
self.addCompleteLog("err.text", why.getTraceback())
results = EXCEPTION
hidden = False
self._step_status.stepFinished(results)
self._step_status.setHidden(hidden)
self.releaseLocks()
self.deferred.callback(results)
def failed(self, why):
# This can either be a BuildStepFailed exception/failure, meaning we
# should call self.finished, or it can be a real exception, which should
# be recorded as such.
if why.check(BuildStepFailed):
self.finished(FAILURE)
return
# However, in the case of losing the connection to a slave, we want to
# finish with a RETRY.
if why.check(error.ConnectionLost):
self._step_status.setText(self.describe(True) +
["exception", "slave", "lost"])
self._step_status.setText2(["exception", "slave", "lost"])
self.finished(RETRY)
return
log.err(why, "BuildStep.failed; traceback follows")
try:
if self.progress:
self.progress.finish()
try:
self.addCompleteLog("err.text", why.getTraceback())
self.addHTMLLog("err.html", formatFailure(why))
except Exception:
log.err(Failure(), "error while formatting exceptions")
# could use why.getDetailedTraceback() for more information
self._step_status.setText([self.name, "exception"])
self._step_status.setText2([self.name])
self._step_status.stepFinished(EXCEPTION)
hidden = self._maybeEvaluate(self.hideStepIf, EXCEPTION, self)
self._step_status.setHidden(hidden)
except Exception:
log.err(Failure(), "exception during failure processing")
# the progress stuff may still be whacked (the StepStatus may
# think that it is still running), but the build overall will now
# finish
try:
self.releaseLocks()
except Exception:
log.err(Failure(), "exception while releasing locks")
log.msg("BuildStep.failed now firing callback")
self.deferred.callback(EXCEPTION)
# utility methods that BuildSteps may find useful
def slaveVersion(self, command, oldversion=None):
return self.build.getSlaveCommandVersion(command, oldversion)
def slaveVersionIsOlderThan(self, command, minversion):
sv = self.build.getSlaveCommandVersion(command, None)
if sv is None:
return True
if map(int, sv.split(".")) < map(int, minversion.split(".")):
return True
return False
def getSlaveName(self):
return self.build.getSlaveName()
def addLog(self, name):
loog = self._step_status.addLog(name)
self._connectPendingLogObservers()
if self.isNewStyle():
loog._isNewStyle = True
return defer.succeed(loog)
else:
return loog
def getLog(self, name):
for l in self._step_status.getLogs():
if l.getName() == name:
return l
raise KeyError("no log named '%s'" % (name,))
def addCompleteLog(self, name, text):
log.msg("addCompleteLog(%s)" % name)
loog = self._step_status.addLog(name)
size = loog.chunkSize
for start in range(0, len(text), size):
loog.addStdout(text[start:start + size])
loog.finish()
self._connectPendingLogObservers()
return defer.succeed(None)
def addHTMLLog(self, name, html):
log.msg("addHTMLLog(%s)" % name)
self._step_status.addHTMLLog(name, html)
self._connectPendingLogObservers()
return defer.succeed(None)
def addLogObserver(self, logname, observer):
assert interfaces.ILogObserver.providedBy(observer)
observer.setStep(self)
self._pendingLogObservers.append((logname, observer))
self._connectPendingLogObservers()
def _connectPendingLogObservers(self):
if not self._pendingLogObservers:
return
if not self._step_status:
return
current_logs = {}
for loog in self._step_status.getLogs():
current_logs[loog.getName()] = loog
for logname, observer in self._pendingLogObservers[:]:
if logname in current_logs:
observer.setLog(current_logs[logname])
self._pendingLogObservers.remove((logname, observer))
def addURL(self, name, url):
self._step_status.addURL(name, url)
return defer.succeed(None)
@defer.inlineCallbacks
def runCommand(self, command):
self.cmd = command
command.buildslave = self.buildslave
try:
res = yield command.run(self, self.remote)
finally:
self.cmd = None
defer.returnValue(res)
@staticmethod
def _maybeEvaluate(value, *args, **kwargs):
if callable(value):
value = value(*args, **kwargs)
return value
def hasStatistic(self, name):
return self._step_status.hasStatistic(name)
def getStatistic(self, name, default=None):
return self._step_status.getStatistic(name, default)
def getStatistics(self):
return self._step_status.getStatistics()
def setStatistic(self, name, value):
return self._step_status.setStatistics(name, value)
components.registerAdapter(
BuildStep._getStepFactory,
BuildStep, interfaces.IBuildStepFactory)
components.registerAdapter(
lambda step: interfaces.IProperties(step.build),
BuildStep, interfaces.IProperties)
class LoggingBuildStep(BuildStep):
progressMetrics = ('output',)
logfiles = {}
parms = BuildStep.parms + ['logfiles', 'lazylogfiles', 'log_eval_func']
cmd = None
renderables = ['logfiles', 'lazylogfiles']
def __init__(self, logfiles={}, lazylogfiles=False, log_eval_func=None,
*args, **kwargs):
BuildStep.__init__(self, *args, **kwargs)
if logfiles and not isinstance(logfiles, dict):
config.error(
"the ShellCommand 'logfiles' parameter must be a dictionary")
# merge a class-level 'logfiles' attribute with one passed in as an
# argument
self.logfiles = self.logfiles.copy()
self.logfiles.update(logfiles)
self.lazylogfiles = lazylogfiles
if log_eval_func and not callable(log_eval_func):
config.error(
"the 'log_eval_func' paramater must be a callable")
self.log_eval_func = log_eval_func
self.addLogObserver('stdio', OutputProgressObserver("output"))
def addLogFile(self, logname, filename):
self.logfiles[logname] = filename
def buildCommandKwargs(self):
kwargs = dict()
kwargs['logfiles'] = self.logfiles
return kwargs
def startCommand(self, cmd, errorMessages=[]):
"""
@param cmd: a suitable RemoteCommand which will be launched, with
all output being put into our self.stdio_log LogFile
"""
log.msg("ShellCommand.startCommand(cmd=%s)" % (cmd,))
log.msg(" cmd.args = %r" % (cmd.args))
self.cmd = cmd # so we can interrupt it
self._step_status.setText(self.describe(False))
# stdio is the first log
self.stdio_log = stdio_log = self.addLog("stdio")
cmd.useLog(stdio_log, True)
for em in errorMessages:
stdio_log.addHeader(em)
# TODO: consider setting up self.stdio_log earlier, and have the
# code that passes in errorMessages instead call
# self.stdio_log.addHeader() directly.
# there might be other logs
self.setupLogfiles(cmd, self.logfiles)
d = self.runCommand(cmd) # might raise ConnectionLost
d.addCallback(lambda res: self.commandComplete(cmd))
d.addCallback(lambda res: self.createSummary(cmd.logs['stdio']))
d.addCallback(lambda res: self.evaluateCommand(cmd)) # returns results
def _gotResults(results):
self.setStatus(cmd, results)
return results
d.addCallback(_gotResults) # returns results
d.addCallback(self.finished)
d.addErrback(self.failed)
def setupLogfiles(self, cmd, logfiles):
for logname, remotefilename in logfiles.items():
if self.lazylogfiles:
# Ask RemoteCommand to watch a logfile, but only add
# it when/if we see any data.
#
# The dummy default argument local_logname is a work-around for
# Python name binding; default values are bound by value, but
# captured variables in the body are bound by name.
callback = lambda cmd_arg, local_logname=logname: self.addLog(
local_logname)
cmd.useLogDelayed(logname, callback, True)
else:
# tell the BuildStepStatus to add a LogFile
newlog = self.addLog(logname)
# and tell the RemoteCommand to feed it
cmd.useLog(newlog, True)
def interrupt(self, reason):
# TODO: consider adding an INTERRUPTED or STOPPED status to use
# instead of FAILURE, might make the text a bit more clear.
# 'reason' can be a Failure, or text
BuildStep.interrupt(self, reason)
if self._step_status.isWaitingForLocks():
self.addCompleteLog(
'interrupt while waiting for locks', str(reason))
else:
self.addCompleteLog('interrupt', str(reason))
if self.cmd:
d = self.cmd.interrupt(reason)
d.addErrback(log.err, 'while interrupting command')
def checkDisconnect(self, f):
# this is now handled by self.failed
log.msg("WARNING: step %s uses deprecated checkDisconnect method")
return f
def commandComplete(self, cmd):
pass
def createSummary(self, stdio):
pass
def evaluateCommand(self, cmd):
if self.log_eval_func:
return self.log_eval_func(cmd, self._step_status)
return cmd.results()
def getText(self, cmd, results):
if results == SUCCESS:
return self.describe(True)
elif results == WARNINGS:
return self.describe(True) + ["warnings"]
elif results == EXCEPTION:
return self.describe(True) + ["exception"]
else:
return self.describe(True) + ["failed"]
def getText2(self, cmd, results):
return [self.name]
def maybeGetText2(self, cmd, results):
if results == SUCCESS:
# successful steps do not add anything to the build's text
pass
elif results == WARNINGS:
if (self.flunkOnWarnings or self.warnOnWarnings):
# we're affecting the overall build, so tell them why
return self.getText2(cmd, results)
else:
if (self.haltOnFailure or self.flunkOnFailure
or self.warnOnFailure):
# we're affecting the overall build, so tell them why
return self.getText2(cmd, results)
return []
def setStatus(self, cmd, results):
# this is good enough for most steps, but it can be overridden to
# get more control over the displayed text
self._step_status.setText(self.getText(cmd, results))
self._step_status.setText2(self.maybeGetText2(cmd, results))
class CommandMixin(object):
@defer.inlineCallbacks
def _runRemoteCommand(self, cmd, abandonOnFailure, args, makeResult=None):
cmd = remotecommand.RemoteCommand(cmd, args)
try:
log = self.getLog('stdio')
except Exception:
log = yield self.addLog('stdio')
cmd.useLog(log, False)
yield self.runCommand(cmd)
if abandonOnFailure and cmd.didFail():
raise BuildStepFailed()
if makeResult:
defer.returnValue(makeResult(cmd))
else:
defer.returnValue(not cmd.didFail())
def runRmdir(self, dir, log=None, abandonOnFailure=True):
return self._runRemoteCommand('rmdir', abandonOnFailure,
{'dir': dir, 'logEnviron': False})
def pathExists(self, path, log=None):
return self._runRemoteCommand('stat', False,
{'file': path, 'logEnviron': False})
def runMkdir(self, dir, log=None, abandonOnFailure=True):
return self._runRemoteCommand('mkdir', abandonOnFailure,
{'dir': dir, 'logEnviron': False})
def glob(self, glob):
return self._runRemoteCommand(
'glob', True, {'glob': glob, 'logEnviron': False},
makeResult=lambda cmd: cmd.updates['files'][0])
class ShellMixin(object):
command = None
workdir = None
env = {}
want_stdout = True
want_stderr = True
usePTY = 'slave-config'
logfiles = {}
lazylogfiles = {}
timeout = 1200
maxTime = None
logEnviron = True
interruptSignal = 'KILL'
sigtermTime = None
initialStdin = None
decodeRC = {0: SUCCESS}
_shellMixinArgs = [
'command',
'workdir',
'env',
'want_stdout',
'want_stderr',
'usePTY',
'logfiles',
'lazylogfiles',
'timeout',
'maxTime',
'logEnviron',
'interruptSignal',
'sigtermTime',
'initialStdin',
'decodeRC',
]
renderables = _shellMixinArgs
def setupShellMixin(self, constructorArgs, prohibitArgs=[]):
constructorArgs = constructorArgs.copy()
def bad(arg):
config.error("invalid %s argument %s" %
(self.__class__.__name__, arg))
for arg in self._shellMixinArgs:
if arg not in constructorArgs:
continue
if arg in prohibitArgs:
bad(arg)
else:
setattr(self, arg, constructorArgs[arg])
del constructorArgs[arg]
for arg in constructorArgs:
if arg not in BuildStep.parms:
bad(arg)
del constructorArgs[arg]
return constructorArgs
@defer.inlineCallbacks
def makeRemoteShellCommand(self, collectStdout=False, collectStderr=False,
stdioLogName='stdio',
**overrides):
kwargs = dict([(arg, getattr(self, arg))
for arg in self._shellMixinArgs])
kwargs.update(overrides)
stdio = None
if stdioLogName is not None:
stdio = yield self.addLog(stdioLogName)
kwargs['command'] = flatten(kwargs['command'], (list, tuple))
# check for the usePTY flag
if kwargs['usePTY'] != 'slave-config':
if self.slaveVersionIsOlderThan("shell", "2.7"):
if stdio is not None:
yield stdio.addHeader(
"NOTE: slave does not allow master to override usePTY\n")
del kwargs['usePTY']
# check for the interruptSignal flag
if kwargs["interruptSignal"] and self.slaveVersionIsOlderThan("shell", "2.15"):
if stdio is not None:
yield stdio.addHeader(
"NOTE: slave does not allow master to specify interruptSignal\n")
del kwargs['interruptSignal']
# lazylogfiles are handled below
del kwargs['lazylogfiles']
# merge the builder's environment with that supplied here
builderEnv = self.build.builder.config.env
kwargs['env'] = yield self.build.render(builderEnv)
kwargs['env'].update(self.env)
kwargs['stdioLogName'] = stdioLogName
# default the workdir appropriately
if not self.workdir:
if callable(self.build.workdir):
kwargs['workdir'] = self.build.workdir(self.build.sources)
else:
kwargs['workdir'] = self.build.workdir
# the rest of the args go to RemoteShellCommand
cmd = remotecommand.RemoteShellCommand(**kwargs)
# set up logging
if stdio is not None:
cmd.useLog(stdio, False)
for logname, remotefilename in self.logfiles.items():
if self.lazylogfiles:
# it's OK if this does, or does not, return a Deferred
callback = lambda cmd_arg, logname=logname: self.addLog(
logname)
cmd.useLogDelayed(logname, callback, True)
else:
# tell the BuildStepStatus to add a LogFile
newlog = yield self.addLog(logname)
# and tell the RemoteCommand to feed it
cmd.useLog(newlog, False)
defer.returnValue(cmd)
def _describe(self, done=False):
try:
if done and self.descriptionDone is not None:
return self.descriptionDone
if self.description is not None:
return self.description
# if self.cmd is set, then use the RemoteCommand's info
if self.cmd:
command = self.command.command
# otherwise, if we were configured with a command, use that
elif self.command:
command = self.command
else:
return super(ShellMixin, self)._describe(done)
words = command
if isinstance(words, (str, unicode)):
words = words.split()
try:
len(words)
except (AttributeError, TypeError):
# WithProperties and Property don't have __len__
# For old-style classes instances AttributeError raised,
# for new-style classes instances - TypeError.
return super(ShellMixin, self)._describe(done)
# flatten any nested lists
words = flatten(words, (list, tuple))
# strip instances and other detritus (which can happen if a
# description is requested before rendering)
words = [w for w in words if isinstance(w, (str, unicode))]
if len(words) < 1:
return super(ShellMixin, self)._describe(done)
if len(words) == 1:
return ["'%s'" % words[0]]
if len(words) == 2:
return ["'%s" % words[0], "%s'" % words[1]]
return ["'%s" % words[0], "%s" % words[1], "...'"]
except Exception:
log.err(failure.Failure(), "Error describing step")
return super(ShellMixin, self)._describe(done)
# Parses the logs for a list of regexs. Meant to be invoked like:
# regexes = ((re.compile(...), FAILURE), (re.compile(...), WARNINGS))
# self.addStep(ShellCommand,
# command=...,
# ...,
# log_eval_func=lambda c,s: regex_log_evaluator(c, s, regexs)
# )
def regex_log_evaluator(cmd, step_status, regexes):
worst = cmd.results()
for err, possible_status in regexes:
# worst_status returns the worse of the two status' passed to it.
# we won't be changing "worst" unless possible_status is worse than it,
# so we don't even need to check the log if that's the case
if worst_status(worst, possible_status) == possible_status:
if isinstance(err, (basestring)):
err = re.compile(".*%s.*" % err, re.DOTALL)
for l in cmd.logs.values():
if err.search(l.getText()):
worst = possible_status
return worst
# (WithProperties used to be available in this module)
from buildbot.process.properties import WithProperties
_hush_pyflakes = [WithProperties]
del _hush_pyflakes