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Issue 2864213004: Rename tools-webrtc -> tools_webrtc (Closed)
Patch Set: REmove symlink Created 3 years, 7 months ago
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1 #!/usr/bin/env python
2 # Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
3 #
4 # Use of this source code is governed by a BSD-style license
5 # that can be found in the LICENSE file in the root of the source
6 # tree. An additional intellectual property rights grant can be found
7 # in the file PATENTS. All contributing project authors may
8 # be found in the AUTHORS file in the root of the source tree.
9
10 """MB - the Meta-Build wrapper around GYP and GN
11
12 MB is a wrapper script for GYP and GN that can be used to generate build files
13 for sets of canned configurations and analyze them.
14 """
15
16 from __future__ import print_function
17
18 import argparse
19 import ast
20 import errno
21 import json
22 import os
23 import pipes
24 import pprint
25 import re
26 import shutil
27 import sys
28 import subprocess
29 import tempfile
30 import traceback
31 import urllib2
32
33 from collections import OrderedDict
34
35 SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
36 SRC_DIR = os.path.dirname(os.path.dirname(SCRIPT_DIR))
37 sys.path = [os.path.join(SRC_DIR, 'build')] + sys.path
38
39 import gn_helpers
40
41
42 def main(args):
43 mbw = MetaBuildWrapper()
44 return mbw.Main(args)
45
46
47 class MetaBuildWrapper(object):
48 def __init__(self):
49 self.src_dir = SRC_DIR
50 self.default_config = os.path.join(SCRIPT_DIR, 'mb_config.pyl')
51 self.default_isolate_map = os.path.join(SCRIPT_DIR, 'gn_isolate_map.pyl')
52 self.executable = sys.executable
53 self.platform = sys.platform
54 self.sep = os.sep
55 self.args = argparse.Namespace()
56 self.configs = {}
57 self.masters = {}
58 self.mixins = {}
59
60 def Main(self, args):
61 self.ParseArgs(args)
62 try:
63 ret = self.args.func()
64 if ret:
65 self.DumpInputFiles()
66 return ret
67 except KeyboardInterrupt:
68 self.Print('interrupted, exiting')
69 return 130
70 except Exception:
71 self.DumpInputFiles()
72 s = traceback.format_exc()
73 for l in s.splitlines():
74 self.Print(l)
75 return 1
76
77 def ParseArgs(self, argv):
78 def AddCommonOptions(subp):
79 subp.add_argument('-b', '--builder',
80 help='builder name to look up config from')
81 subp.add_argument('-m', '--master',
82 help='master name to look up config from')
83 subp.add_argument('-c', '--config',
84 help='configuration to analyze')
85 subp.add_argument('--phase',
86 help='optional phase name (used when builders '
87 'do multiple compiles with different '
88 'arguments in a single build)')
89 subp.add_argument('-f', '--config-file', metavar='PATH',
90 default=self.default_config,
91 help='path to config file '
92 '(default is %(default)s)')
93 subp.add_argument('-i', '--isolate-map-file', metavar='PATH',
94 default=self.default_isolate_map,
95 help='path to isolate map file '
96 '(default is %(default)s)')
97 subp.add_argument('-g', '--goma-dir',
98 help='path to goma directory')
99 subp.add_argument('--gyp-script', metavar='PATH',
100 default=self.PathJoin('build', 'gyp_chromium'),
101 help='path to gyp script relative to project root '
102 '(default is %(default)s)')
103 subp.add_argument('--android-version-code',
104 help='Sets GN arg android_default_version_code and '
105 'GYP_DEFINE app_manifest_version_code')
106 subp.add_argument('--android-version-name',
107 help='Sets GN arg android_default_version_name and '
108 'GYP_DEFINE app_manifest_version_name')
109 subp.add_argument('-n', '--dryrun', action='store_true',
110 help='Do a dry run (i.e., do nothing, just print '
111 'the commands that will run)')
112 subp.add_argument('-v', '--verbose', action='store_true',
113 help='verbose logging')
114
115 parser = argparse.ArgumentParser(prog='mb')
116 subps = parser.add_subparsers()
117
118 subp = subps.add_parser('analyze',
119 help='analyze whether changes to a set of files '
120 'will cause a set of binaries to be rebuilt.')
121 AddCommonOptions(subp)
122 subp.add_argument('path', nargs=1,
123 help='path build was generated into.')
124 subp.add_argument('input_path', nargs=1,
125 help='path to a file containing the input arguments '
126 'as a JSON object.')
127 subp.add_argument('output_path', nargs=1,
128 help='path to a file containing the output arguments '
129 'as a JSON object.')
130 subp.set_defaults(func=self.CmdAnalyze)
131
132 subp = subps.add_parser('export',
133 help='print out the expanded configuration for'
134 'each builder as a JSON object')
135 subp.add_argument('-f', '--config-file', metavar='PATH',
136 default=self.default_config,
137 help='path to config file (default is %(default)s)')
138 subp.add_argument('-g', '--goma-dir',
139 help='path to goma directory')
140 subp.set_defaults(func=self.CmdExport)
141
142 subp = subps.add_parser('gen',
143 help='generate a new set of build files')
144 AddCommonOptions(subp)
145 subp.add_argument('--swarming-targets-file',
146 help='save runtime dependencies for targets listed '
147 'in file.')
148 subp.add_argument('path', nargs=1,
149 help='path to generate build into')
150 subp.set_defaults(func=self.CmdGen)
151
152 subp = subps.add_parser('isolate',
153 help='generate the .isolate files for a given'
154 'binary')
155 AddCommonOptions(subp)
156 subp.add_argument('path', nargs=1,
157 help='path build was generated into')
158 subp.add_argument('target', nargs=1,
159 help='ninja target to generate the isolate for')
160 subp.set_defaults(func=self.CmdIsolate)
161
162 subp = subps.add_parser('lookup',
163 help='look up the command for a given config or '
164 'builder')
165 AddCommonOptions(subp)
166 subp.set_defaults(func=self.CmdLookup)
167
168 subp = subps.add_parser(
169 'run',
170 help='build and run the isolated version of a '
171 'binary',
172 formatter_class=argparse.RawDescriptionHelpFormatter)
173 subp.description = (
174 'Build, isolate, and run the given binary with the command line\n'
175 'listed in the isolate. You may pass extra arguments after the\n'
176 'target; use "--" if the extra arguments need to include switches.\n'
177 '\n'
178 'Examples:\n'
179 '\n'
180 ' % tools/mb/mb.py run -m chromium.linux -b "Linux Builder" \\\n'
181 ' //out/Default content_browsertests\n'
182 '\n'
183 ' % tools/mb/mb.py run out/Default content_browsertests\n'
184 '\n'
185 ' % tools/mb/mb.py run out/Default content_browsertests -- \\\n'
186 ' --test-launcher-retry-limit=0'
187 '\n'
188 )
189
190 AddCommonOptions(subp)
191 subp.add_argument('-j', '--jobs', dest='jobs', type=int,
192 help='Number of jobs to pass to ninja')
193 subp.add_argument('--no-build', dest='build', default=True,
194 action='store_false',
195 help='Do not build, just isolate and run')
196 subp.add_argument('path', nargs=1,
197 help=('path to generate build into (or use).'
198 ' This can be either a regular path or a '
199 'GN-style source-relative path like '
200 '//out/Default.'))
201 subp.add_argument('target', nargs=1,
202 help='ninja target to build and run')
203 subp.add_argument('extra_args', nargs='*',
204 help=('extra args to pass to the isolate to run. Use '
205 '"--" as the first arg if you need to pass '
206 'switches'))
207 subp.set_defaults(func=self.CmdRun)
208
209 subp = subps.add_parser('validate',
210 help='validate the config file')
211 subp.add_argument('-f', '--config-file', metavar='PATH',
212 default=self.default_config,
213 help='path to config file (default is %(default)s)')
214 subp.set_defaults(func=self.CmdValidate)
215
216 subp = subps.add_parser('audit',
217 help='Audit the config file to track progress')
218 subp.add_argument('-f', '--config-file', metavar='PATH',
219 default=self.default_config,
220 help='path to config file (default is %(default)s)')
221 subp.add_argument('-i', '--internal', action='store_true',
222 help='check internal masters also')
223 subp.add_argument('-m', '--master', action='append',
224 help='master to audit (default is all non-internal '
225 'masters in file)')
226 subp.add_argument('-u', '--url-template', action='store',
227 default='https://build.chromium.org/p/'
228 '{master}/json/builders',
229 help='URL scheme for JSON APIs to buildbot '
230 '(default: %(default)s) ')
231 subp.add_argument('-c', '--check-compile', action='store_true',
232 help='check whether tbd and master-only bots actually'
233 ' do compiles')
234 subp.set_defaults(func=self.CmdAudit)
235
236 subp = subps.add_parser('help',
237 help='Get help on a subcommand.')
238 subp.add_argument(nargs='?', action='store', dest='subcommand',
239 help='The command to get help for.')
240 subp.set_defaults(func=self.CmdHelp)
241
242 self.args = parser.parse_args(argv)
243
244 def DumpInputFiles(self):
245
246 def DumpContentsOfFilePassedTo(arg_name, path):
247 if path and self.Exists(path):
248 self.Print("\n# To recreate the file passed to %s:" % arg_name)
249 self.Print("%% cat > %s <<EOF" % path)
250 contents = self.ReadFile(path)
251 self.Print(contents)
252 self.Print("EOF\n%\n")
253
254 if getattr(self.args, 'input_path', None):
255 DumpContentsOfFilePassedTo(
256 'argv[0] (input_path)', self.args.input_path[0])
257 if getattr(self.args, 'swarming_targets_file', None):
258 DumpContentsOfFilePassedTo(
259 '--swarming-targets-file', self.args.swarming_targets_file)
260
261 def CmdAnalyze(self):
262 vals = self.Lookup()
263 self.ClobberIfNeeded(vals)
264 if vals['type'] == 'gn':
265 return self.RunGNAnalyze(vals)
266 else:
267 return self.RunGYPAnalyze(vals)
268
269 def CmdExport(self):
270 self.ReadConfigFile()
271 obj = {}
272 for master, builders in self.masters.items():
273 obj[master] = {}
274 for builder in builders:
275 config = self.masters[master][builder]
276 if not config:
277 continue
278
279 if isinstance(config, dict):
280 args = {k: self.FlattenConfig(v)['gn_args']
281 for k, v in config.items()}
282 elif config.startswith('//'):
283 args = config
284 else:
285 args = self.FlattenConfig(config)['gn_args']
286 if 'error' in args:
287 continue
288
289 obj[master][builder] = args
290
291 # Dump object and trim trailing whitespace.
292 s = '\n'.join(l.rstrip() for l in
293 json.dumps(obj, sort_keys=True, indent=2).splitlines())
294 self.Print(s)
295 return 0
296
297 def CmdGen(self):
298 vals = self.Lookup()
299 self.ClobberIfNeeded(vals)
300 if vals['type'] == 'gn':
301 return self.RunGNGen(vals)
302 else:
303 return self.RunGYPGen(vals)
304
305 def CmdHelp(self):
306 if self.args.subcommand:
307 self.ParseArgs([self.args.subcommand, '--help'])
308 else:
309 self.ParseArgs(['--help'])
310
311 def CmdIsolate(self):
312 vals = self.GetConfig()
313 if not vals:
314 return 1
315
316 if vals['type'] == 'gn':
317 return self.RunGNIsolate(vals)
318 else:
319 return self.Build('%s_run' % self.args.target[0])
320
321 def CmdLookup(self):
322 vals = self.Lookup()
323 if vals['type'] == 'gn':
324 cmd = self.GNCmd('gen', '_path_')
325 gn_args = self.GNArgs(vals)
326 self.Print('\nWriting """\\\n%s""" to _path_/args.gn.\n' % gn_args)
327 env = None
328 else:
329 cmd, env = self.GYPCmd('_path_', vals)
330
331 self.PrintCmd(cmd, env)
332 return 0
333
334 def CmdRun(self):
335 vals = self.GetConfig()
336 if not vals:
337 return 1
338
339 build_dir = self.args.path[0]
340 target = self.args.target[0]
341
342 if vals['type'] == 'gn':
343 if self.args.build:
344 ret = self.Build(target)
345 if ret:
346 return ret
347 ret = self.RunGNIsolate(vals)
348 if ret:
349 return ret
350 else:
351 ret = self.Build('%s_run' % target)
352 if ret:
353 return ret
354
355 cmd = [
356 self.executable,
357 self.PathJoin('tools', 'swarming_client', 'isolate.py'),
358 'run',
359 '-s',
360 self.ToSrcRelPath('%s/%s.isolated' % (build_dir, target)),
361 ]
362 if self.args.extra_args:
363 cmd += ['--'] + self.args.extra_args
364
365 ret, _, _ = self.Run(cmd, force_verbose=False, buffer_output=False)
366
367 return ret
368
369 def CmdValidate(self, print_ok=True):
370 errs = []
371
372 # Read the file to make sure it parses.
373 self.ReadConfigFile()
374
375 # Build a list of all of the configs referenced by builders.
376 all_configs = {}
377 for master in self.masters:
378 for config in self.masters[master].values():
379 if isinstance(config, dict):
380 for c in config.values():
381 all_configs[c] = master
382 else:
383 all_configs[config] = master
384
385 # Check that every referenced args file or config actually exists.
386 for config, loc in all_configs.items():
387 if config.startswith('//'):
388 if not self.Exists(self.ToAbsPath(config)):
389 errs.append('Unknown args file "%s" referenced from "%s".' %
390 (config, loc))
391 elif not config in self.configs:
392 errs.append('Unknown config "%s" referenced from "%s".' %
393 (config, loc))
394
395 # Check that every actual config is actually referenced.
396 for config in self.configs:
397 if not config in all_configs:
398 errs.append('Unused config "%s".' % config)
399
400 # Figure out the whole list of mixins, and check that every mixin
401 # listed by a config or another mixin actually exists.
402 referenced_mixins = set()
403 for config, mixins in self.configs.items():
404 for mixin in mixins:
405 if not mixin in self.mixins:
406 errs.append('Unknown mixin "%s" referenced by config "%s".' %
407 (mixin, config))
408 referenced_mixins.add(mixin)
409
410 for mixin in self.mixins:
411 for sub_mixin in self.mixins[mixin].get('mixins', []):
412 if not sub_mixin in self.mixins:
413 errs.append('Unknown mixin "%s" referenced by mixin "%s".' %
414 (sub_mixin, mixin))
415 referenced_mixins.add(sub_mixin)
416
417 # Check that every mixin defined is actually referenced somewhere.
418 for mixin in self.mixins:
419 if not mixin in referenced_mixins:
420 errs.append('Unreferenced mixin "%s".' % mixin)
421
422 if errs:
423 raise MBErr(('mb config file %s has problems:' % self.args.config_file) +
424 '\n ' + '\n '.join(errs))
425
426 if print_ok:
427 self.Print('mb config file %s looks ok.' % self.args.config_file)
428 return 0
429
430 def CmdAudit(self):
431 """Track the progress of the GYP->GN migration on the bots."""
432
433 # First, make sure the config file is okay, but don't print anything
434 # if it is (it will throw an error if it isn't).
435 self.CmdValidate(print_ok=False)
436
437 stats = OrderedDict()
438 STAT_MASTER_ONLY = 'Master only'
439 STAT_CONFIG_ONLY = 'Config only'
440 STAT_TBD = 'Still TBD'
441 STAT_GYP = 'Still GYP'
442 STAT_DONE = 'Done (on GN)'
443 stats[STAT_MASTER_ONLY] = 0
444 stats[STAT_CONFIG_ONLY] = 0
445 stats[STAT_TBD] = 0
446 stats[STAT_GYP] = 0
447 stats[STAT_DONE] = 0
448
449 def PrintBuilders(heading, builders, notes):
450 stats.setdefault(heading, 0)
451 stats[heading] += len(builders)
452 if builders:
453 self.Print(' %s:' % heading)
454 for builder in sorted(builders):
455 self.Print(' %s%s' % (builder, notes[builder]))
456
457 self.ReadConfigFile()
458
459 masters = self.args.master or self.masters
460 for master in sorted(masters):
461 url = self.args.url_template.replace('{master}', master)
462
463 self.Print('Auditing %s' % master)
464
465 MASTERS_TO_SKIP = (
466 'client.skia',
467 'client.v8.fyi',
468 'tryserver.v8',
469 )
470 if master in MASTERS_TO_SKIP:
471 # Skip these bots because converting them is the responsibility of
472 # those teams and out of scope for the Chromium migration to GN.
473 self.Print(' Skipped (out of scope)')
474 self.Print('')
475 continue
476
477 INTERNAL_MASTERS = ('official.desktop', 'official.desktop.continuous',
478 'internal.client.kitchensync')
479 if master in INTERNAL_MASTERS and not self.args.internal:
480 # Skip these because the servers aren't accessible by default ...
481 self.Print(' Skipped (internal)')
482 self.Print('')
483 continue
484
485 try:
486 # Fetch the /builders contents from the buildbot master. The
487 # keys of the dict are the builder names themselves.
488 json_contents = self.Fetch(url)
489 d = json.loads(json_contents)
490 except Exception as e:
491 self.Print(str(e))
492 return 1
493
494 config_builders = set(self.masters[master])
495 master_builders = set(d.keys())
496 both = master_builders & config_builders
497 master_only = master_builders - config_builders
498 config_only = config_builders - master_builders
499 tbd = set()
500 gyp = set()
501 done = set()
502 notes = {builder: '' for builder in config_builders | master_builders}
503
504 for builder in both:
505 config = self.masters[master][builder]
506 if config == 'tbd':
507 tbd.add(builder)
508 elif isinstance(config, dict):
509 vals = self.FlattenConfig(config.values()[0])
510 if vals['type'] == 'gyp':
511 gyp.add(builder)
512 else:
513 done.add(builder)
514 elif config.startswith('//'):
515 done.add(builder)
516 else:
517 vals = self.FlattenConfig(config)
518 if vals['type'] == 'gyp':
519 gyp.add(builder)
520 else:
521 done.add(builder)
522
523 if self.args.check_compile and (tbd or master_only):
524 either = tbd | master_only
525 for builder in either:
526 notes[builder] = ' (' + self.CheckCompile(master, builder) +')'
527
528 if master_only or config_only or tbd or gyp:
529 PrintBuilders(STAT_MASTER_ONLY, master_only, notes)
530 PrintBuilders(STAT_CONFIG_ONLY, config_only, notes)
531 PrintBuilders(STAT_TBD, tbd, notes)
532 PrintBuilders(STAT_GYP, gyp, notes)
533 else:
534 self.Print(' All GN!')
535
536 stats[STAT_DONE] += len(done)
537
538 self.Print('')
539
540 fmt = '{:<27} {:>4}'
541 self.Print(fmt.format('Totals', str(sum(int(v) for v in stats.values()))))
542 self.Print(fmt.format('-' * 27, '----'))
543 for stat, count in stats.items():
544 self.Print(fmt.format(stat, str(count)))
545
546 return 0
547
548 def GetConfig(self):
549 build_dir = self.args.path[0]
550
551 vals = self.DefaultVals()
552 if self.args.builder or self.args.master or self.args.config:
553 vals = self.Lookup()
554 if vals['type'] == 'gn':
555 # Re-run gn gen in order to ensure the config is consistent with the
556 # build dir.
557 self.RunGNGen(vals)
558 return vals
559
560 mb_type_path = self.PathJoin(self.ToAbsPath(build_dir), 'mb_type')
561 if not self.Exists(mb_type_path):
562 toolchain_path = self.PathJoin(self.ToAbsPath(build_dir),
563 'toolchain.ninja')
564 if not self.Exists(toolchain_path):
565 self.Print('Must either specify a path to an existing GN build dir '
566 'or pass in a -m/-b pair or a -c flag to specify the '
567 'configuration')
568 return {}
569 else:
570 mb_type = 'gn'
571 else:
572 mb_type = self.ReadFile(mb_type_path).strip()
573
574 if mb_type == 'gn':
575 vals['gn_args'] = self.GNArgsFromDir(build_dir)
576 vals['type'] = mb_type
577
578 return vals
579
580 def GNArgsFromDir(self, build_dir):
581 args_contents = ""
582 gn_args_path = self.PathJoin(self.ToAbsPath(build_dir), 'args.gn')
583 if self.Exists(gn_args_path):
584 args_contents = self.ReadFile(gn_args_path)
585 gn_args = []
586 for l in args_contents.splitlines():
587 fields = l.split(' ')
588 name = fields[0]
589 val = ' '.join(fields[2:])
590 gn_args.append('%s=%s' % (name, val))
591
592 return ' '.join(gn_args)
593
594 def Lookup(self):
595 vals = self.ReadIOSBotConfig()
596 if not vals:
597 self.ReadConfigFile()
598 config = self.ConfigFromArgs()
599 if config.startswith('//'):
600 if not self.Exists(self.ToAbsPath(config)):
601 raise MBErr('args file "%s" not found' % config)
602 vals = self.DefaultVals()
603 vals['args_file'] = config
604 else:
605 if not config in self.configs:
606 raise MBErr('Config "%s" not found in %s' %
607 (config, self.args.config_file))
608 vals = self.FlattenConfig(config)
609
610 # Do some basic sanity checking on the config so that we
611 # don't have to do this in every caller.
612 if 'type' not in vals:
613 vals['type'] = 'gn'
614 assert vals['type'] in ('gn', 'gyp'), (
615 'Unknown meta-build type "%s"' % vals['gn_args'])
616
617 return vals
618
619 def ReadIOSBotConfig(self):
620 if not self.args.master or not self.args.builder:
621 return {}
622 path = self.PathJoin(self.src_dir, 'tools-webrtc', 'ios',
623 self.args.master,
624 self.args.builder.replace(' ', '_') + '.json')
625 if not self.Exists(path):
626 return {}
627
628 contents = json.loads(self.ReadFile(path))
629 gyp_vals = contents.get('GYP_DEFINES', {})
630 if isinstance(gyp_vals, dict):
631 gyp_defines = ' '.join('%s=%s' % (k, v) for k, v in gyp_vals.items())
632 else:
633 gyp_defines = ' '.join(gyp_vals)
634 gn_args = ' '.join(contents.get('gn_args', []))
635
636 vals = self.DefaultVals()
637 vals['gn_args'] = gn_args
638 vals['gyp_defines'] = gyp_defines
639 vals['type'] = contents.get('mb_type', 'gn')
640 return vals
641
642 def ReadConfigFile(self):
643 if not self.Exists(self.args.config_file):
644 raise MBErr('config file not found at %s' % self.args.config_file)
645
646 try:
647 contents = ast.literal_eval(self.ReadFile(self.args.config_file))
648 except SyntaxError as e:
649 raise MBErr('Failed to parse config file "%s": %s' %
650 (self.args.config_file, e))
651
652 self.configs = contents['configs']
653 self.masters = contents['masters']
654 self.mixins = contents['mixins']
655
656 def ReadIsolateMap(self):
657 if not self.Exists(self.args.isolate_map_file):
658 raise MBErr('isolate map file not found at %s' %
659 self.args.isolate_map_file)
660 try:
661 return ast.literal_eval(self.ReadFile(self.args.isolate_map_file))
662 except SyntaxError as e:
663 raise MBErr('Failed to parse isolate map file "%s": %s' %
664 (self.args.isolate_map_file, e))
665
666 def ConfigFromArgs(self):
667 if self.args.config:
668 if self.args.master or self.args.builder:
669 raise MBErr('Can not specific both -c/--config and -m/--master or '
670 '-b/--builder')
671
672 return self.args.config
673
674 if not self.args.master or not self.args.builder:
675 raise MBErr('Must specify either -c/--config or '
676 '(-m/--master and -b/--builder)')
677
678 if not self.args.master in self.masters:
679 raise MBErr('Master name "%s" not found in "%s"' %
680 (self.args.master, self.args.config_file))
681
682 if not self.args.builder in self.masters[self.args.master]:
683 raise MBErr('Builder name "%s" not found under masters[%s] in "%s"' %
684 (self.args.builder, self.args.master, self.args.config_file))
685
686 config = self.masters[self.args.master][self.args.builder]
687 if isinstance(config, dict):
688 if self.args.phase is None:
689 raise MBErr('Must specify a build --phase for %s on %s' %
690 (self.args.builder, self.args.master))
691 phase = str(self.args.phase)
692 if phase not in config:
693 raise MBErr('Phase %s doesn\'t exist for %s on %s' %
694 (phase, self.args.builder, self.args.master))
695 return config[phase]
696
697 if self.args.phase is not None:
698 raise MBErr('Must not specify a build --phase for %s on %s' %
699 (self.args.builder, self.args.master))
700 return config
701
702 def FlattenConfig(self, config):
703 mixins = self.configs[config]
704 vals = self.DefaultVals()
705
706 visited = []
707 self.FlattenMixins(mixins, vals, visited)
708 return vals
709
710 def DefaultVals(self):
711 return {
712 'args_file': '',
713 'cros_passthrough': False,
714 'gn_args': '',
715 'gyp_defines': '',
716 'gyp_crosscompile': False,
717 'type': 'gn',
718 }
719
720 def FlattenMixins(self, mixins, vals, visited):
721 for m in mixins:
722 if m not in self.mixins:
723 raise MBErr('Unknown mixin "%s"' % m)
724
725 visited.append(m)
726
727 mixin_vals = self.mixins[m]
728
729 if 'cros_passthrough' in mixin_vals:
730 vals['cros_passthrough'] = mixin_vals['cros_passthrough']
731 if 'gn_args' in mixin_vals:
732 if vals['gn_args']:
733 vals['gn_args'] += ' ' + mixin_vals['gn_args']
734 else:
735 vals['gn_args'] = mixin_vals['gn_args']
736 if 'gyp_crosscompile' in mixin_vals:
737 vals['gyp_crosscompile'] = mixin_vals['gyp_crosscompile']
738 if 'gyp_defines' in mixin_vals:
739 if vals['gyp_defines']:
740 vals['gyp_defines'] += ' ' + mixin_vals['gyp_defines']
741 else:
742 vals['gyp_defines'] = mixin_vals['gyp_defines']
743 if 'type' in mixin_vals:
744 vals['type'] = mixin_vals['type']
745
746 if 'mixins' in mixin_vals:
747 self.FlattenMixins(mixin_vals['mixins'], vals, visited)
748 return vals
749
750 def ClobberIfNeeded(self, vals):
751 path = self.args.path[0]
752 build_dir = self.ToAbsPath(path)
753 mb_type_path = self.PathJoin(build_dir, 'mb_type')
754 needs_clobber = False
755 new_mb_type = vals['type']
756 if self.Exists(build_dir):
757 if self.Exists(mb_type_path):
758 old_mb_type = self.ReadFile(mb_type_path)
759 if old_mb_type != new_mb_type:
760 self.Print("Build type mismatch: was %s, will be %s, clobbering %s" %
761 (old_mb_type, new_mb_type, path))
762 needs_clobber = True
763 else:
764 # There is no 'mb_type' file in the build directory, so this probably
765 # means that the prior build(s) were not done through mb, and we
766 # have no idea if this was a GYP build or a GN build. Clobber it
767 # to be safe.
768 self.Print("%s/mb_type missing, clobbering to be safe" % path)
769 needs_clobber = True
770
771 if self.args.dryrun:
772 return
773
774 if needs_clobber:
775 self.RemoveDirectory(build_dir)
776
777 self.MaybeMakeDirectory(build_dir)
778 self.WriteFile(mb_type_path, new_mb_type)
779
780 def RunGNGen(self, vals):
781 build_dir = self.args.path[0]
782
783 cmd = self.GNCmd('gen', build_dir, '--check')
784 gn_args = self.GNArgs(vals)
785
786 # Since GN hasn't run yet, the build directory may not even exist.
787 self.MaybeMakeDirectory(self.ToAbsPath(build_dir))
788
789 gn_args_path = self.ToAbsPath(build_dir, 'args.gn')
790 self.WriteFile(gn_args_path, gn_args, force_verbose=True)
791
792 swarming_targets = []
793 if getattr(self.args, 'swarming_targets_file', None):
794 # We need GN to generate the list of runtime dependencies for
795 # the compile targets listed (one per line) in the file so
796 # we can run them via swarming. We use gn_isolate_map.pyl to convert
797 # the compile targets to the matching GN labels.
798 path = self.args.swarming_targets_file
799 if not self.Exists(path):
800 self.WriteFailureAndRaise('"%s" does not exist' % path,
801 output_path=None)
802 contents = self.ReadFile(path)
803 swarming_targets = set(contents.splitlines())
804
805 isolate_map = self.ReadIsolateMap()
806 err, labels = self.MapTargetsToLabels(isolate_map, swarming_targets)
807 if err:
808 raise MBErr(err)
809
810 gn_runtime_deps_path = self.ToAbsPath(build_dir, 'runtime_deps')
811 self.WriteFile(gn_runtime_deps_path, '\n'.join(labels) + '\n')
812 cmd.append('--runtime-deps-list-file=%s' % gn_runtime_deps_path)
813
814 ret, _, _ = self.Run(cmd)
815 if ret:
816 # If `gn gen` failed, we should exit early rather than trying to
817 # generate isolates. Run() will have already logged any error output.
818 self.Print('GN gen failed: %d' % ret)
819 return ret
820
821 android = 'target_os="android"' in vals['gn_args']
822 for target in swarming_targets:
823 if android:
824 # Android targets may be either android_apk or executable. The former
825 # will result in runtime_deps associated with the stamp file, while the
826 # latter will result in runtime_deps associated with the executable.
827 label = isolate_map[target]['label']
828 runtime_deps_targets = [
829 target + '.runtime_deps',
830 'obj/%s.stamp.runtime_deps' % label.replace(':', '/')]
831 elif isolate_map[target]['type'] == 'gpu_browser_test':
832 if self.platform == 'win32':
833 runtime_deps_targets = ['browser_tests.exe.runtime_deps']
834 else:
835 runtime_deps_targets = ['browser_tests.runtime_deps']
836 elif (isolate_map[target]['type'] == 'script' or
837 isolate_map[target].get('label_type') == 'group'):
838 # For script targets, the build target is usually a group,
839 # for which gn generates the runtime_deps next to the stamp file
840 # for the label, which lives under the obj/ directory, but it may
841 # also be an executable.
842 label = isolate_map[target]['label']
843 runtime_deps_targets = [
844 'obj/%s.stamp.runtime_deps' % label.replace(':', '/')]
845 if self.platform == 'win32':
846 runtime_deps_targets += [ target + '.exe.runtime_deps' ]
847 else:
848 runtime_deps_targets += [ target + '.runtime_deps' ]
849 elif self.platform == 'win32':
850 runtime_deps_targets = [target + '.exe.runtime_deps']
851 else:
852 runtime_deps_targets = [target + '.runtime_deps']
853
854 for r in runtime_deps_targets:
855 runtime_deps_path = self.ToAbsPath(build_dir, r)
856 if self.Exists(runtime_deps_path):
857 break
858 else:
859 raise MBErr('did not generate any of %s' %
860 ', '.join(runtime_deps_targets))
861
862 command, extra_files = self.GetIsolateCommand(target, vals)
863
864 runtime_deps = self.ReadFile(runtime_deps_path).splitlines()
865
866 self.WriteIsolateFiles(build_dir, command, target, runtime_deps,
867 extra_files)
868
869 return 0
870
871 def RunGNIsolate(self, vals):
872 target = self.args.target[0]
873 isolate_map = self.ReadIsolateMap()
874 err, labels = self.MapTargetsToLabels(isolate_map, [target])
875 if err:
876 raise MBErr(err)
877 label = labels[0]
878
879 build_dir = self.args.path[0]
880 command, extra_files = self.GetIsolateCommand(target, vals)
881
882 cmd = self.GNCmd('desc', build_dir, label, 'runtime_deps')
883 ret, out, _ = self.Call(cmd)
884 if ret:
885 if out:
886 self.Print(out)
887 return ret
888
889 runtime_deps = out.splitlines()
890
891 self.WriteIsolateFiles(build_dir, command, target, runtime_deps,
892 extra_files)
893
894 ret, _, _ = self.Run([
895 self.executable,
896 self.PathJoin('tools', 'swarming_client', 'isolate.py'),
897 'check',
898 '-i',
899 self.ToSrcRelPath('%s/%s.isolate' % (build_dir, target)),
900 '-s',
901 self.ToSrcRelPath('%s/%s.isolated' % (build_dir, target))],
902 buffer_output=False)
903
904 return ret
905
906 def WriteIsolateFiles(self, build_dir, command, target, runtime_deps,
907 extra_files):
908 isolate_path = self.ToAbsPath(build_dir, target + '.isolate')
909 self.WriteFile(isolate_path,
910 pprint.pformat({
911 'variables': {
912 'command': command,
913 'files': sorted(runtime_deps + extra_files),
914 }
915 }) + '\n')
916
917 self.WriteJSON(
918 {
919 'args': [
920 '--isolated',
921 self.ToSrcRelPath('%s/%s.isolated' % (build_dir, target)),
922 '--isolate',
923 self.ToSrcRelPath('%s/%s.isolate' % (build_dir, target)),
924 ],
925 'dir': self.src_dir,
926 'version': 1,
927 },
928 isolate_path + 'd.gen.json',
929 )
930
931 def MapTargetsToLabels(self, isolate_map, targets):
932 labels = []
933 err = ''
934
935 def StripTestSuffixes(target):
936 for suffix in ('_apk_run', '_apk', '_run'):
937 if target.endswith(suffix):
938 return target[:-len(suffix)], suffix
939 return None, None
940
941 for target in targets:
942 if target == 'all':
943 labels.append(target)
944 elif target.startswith('//'):
945 labels.append(target)
946 else:
947 if target in isolate_map:
948 stripped_target, suffix = target, ''
949 else:
950 stripped_target, suffix = StripTestSuffixes(target)
951 if stripped_target in isolate_map:
952 if isolate_map[stripped_target]['type'] == 'unknown':
953 err += ('test target "%s" type is unknown\n' % target)
954 else:
955 labels.append(isolate_map[stripped_target]['label'] + suffix)
956 else:
957 err += ('target "%s" not found in '
958 '//testing/buildbot/gn_isolate_map.pyl\n' % target)
959
960 return err, labels
961
962 def GNCmd(self, subcommand, path, *args):
963 if self.platform == 'linux2':
964 subdir, exe = 'linux64', 'gn'
965 elif self.platform == 'darwin':
966 subdir, exe = 'mac', 'gn'
967 else:
968 subdir, exe = 'win', 'gn.exe'
969
970 gn_path = self.PathJoin(self.src_dir, 'buildtools', subdir, exe)
971 return [gn_path, subcommand, path] + list(args)
972
973
974 def GNArgs(self, vals):
975 if vals['cros_passthrough']:
976 if not 'GN_ARGS' in os.environ:
977 raise MBErr('MB is expecting GN_ARGS to be in the environment')
978 gn_args = os.environ['GN_ARGS']
979 if not re.search('target_os.*=.*"chromeos"', gn_args):
980 raise MBErr('GN_ARGS is missing target_os = "chromeos": (GN_ARGS=%s)' %
981 gn_args)
982 else:
983 gn_args = vals['gn_args']
984
985 if self.args.goma_dir:
986 gn_args += ' goma_dir="%s"' % self.args.goma_dir
987
988 android_version_code = self.args.android_version_code
989 if android_version_code:
990 gn_args += ' android_default_version_code="%s"' % android_version_code
991
992 android_version_name = self.args.android_version_name
993 if android_version_name:
994 gn_args += ' android_default_version_name="%s"' % android_version_name
995
996 # Canonicalize the arg string into a sorted, newline-separated list
997 # of key-value pairs, and de-dup the keys if need be so that only
998 # the last instance of each arg is listed.
999 gn_args = gn_helpers.ToGNString(gn_helpers.FromGNArgs(gn_args))
1000
1001 args_file = vals.get('args_file', None)
1002 if args_file:
1003 gn_args = ('import("%s")\n' % vals['args_file']) + gn_args
1004 return gn_args
1005
1006 def RunGYPGen(self, vals):
1007 path = self.args.path[0]
1008
1009 output_dir = self.ParseGYPConfigPath(path)
1010 cmd, env = self.GYPCmd(output_dir, vals)
1011 ret, _, _ = self.Run(cmd, env=env)
1012 return ret
1013
1014 def RunGYPAnalyze(self, vals):
1015 output_dir = self.ParseGYPConfigPath(self.args.path[0])
1016 if self.args.verbose:
1017 inp = self.ReadInputJSON(['files', 'test_targets',
1018 'additional_compile_targets'])
1019 self.Print()
1020 self.Print('analyze input:')
1021 self.PrintJSON(inp)
1022 self.Print()
1023
1024 cmd, env = self.GYPCmd(output_dir, vals)
1025 cmd.extend(['-f', 'analyzer',
1026 '-G', 'config_path=%s' % self.args.input_path[0],
1027 '-G', 'analyzer_output_path=%s' % self.args.output_path[0]])
1028 ret, _, _ = self.Run(cmd, env=env)
1029 if not ret and self.args.verbose:
1030 outp = json.loads(self.ReadFile(self.args.output_path[0]))
1031 self.Print()
1032 self.Print('analyze output:')
1033 self.PrintJSON(outp)
1034 self.Print()
1035
1036 return ret
1037
1038 def GetIsolateCommand(self, target, vals):
1039 isolate_map = self.ReadIsolateMap()
1040 test_type = isolate_map[target]['type']
1041
1042 android = 'target_os="android"' in vals['gn_args']
1043 is_linux = self.platform == 'linux2' and not android
1044
1045 if test_type == 'nontest':
1046 self.WriteFailureAndRaise('We should not be isolating %s.' % target,
1047 output_path=None)
1048 if test_type not in ('console_test_launcher', 'windowed_test_launcher',
1049 'non_parallel_console_test_launcher',
1050 'additional_compile_target', 'junit_test'):
1051 self.WriteFailureAndRaise('No command line for %s found (test type %s).'
1052 % (target, test_type), output_path=None)
1053
1054 cmdline = []
1055 extra_files = []
1056
1057 if android:
1058 cmdline = ['../../build/android/test_wrapper/logdog_wrapper.py',
1059 '--target', target,
1060 '--logdog-bin-cmd', '../../bin/logdog_butler']
1061 if test_type != 'junit_test':
1062 cmdline += ['--target-devices-file', '${SWARMING_BOT_FILE}']
1063 else:
1064 extra_files = ['../../testing/test_env.py']
1065
1066 # This needs to mirror the settings in //build/config/ui.gni:
1067 # use_x11 = is_linux && !use_ozone.
1068 use_x11 = is_linux and not 'use_ozone=true' in vals['gn_args']
1069
1070 xvfb = use_x11 and test_type == 'windowed_test_launcher'
1071 if xvfb:
1072 extra_files += [
1073 '../../testing/xvfb.py',
1074 ]
1075
1076 # Memcheck is only supported for linux. Ignore in other platforms.
1077 memcheck = is_linux and 'rtc_use_memcheck=true' in vals['gn_args']
1078 memcheck_cmdline = [
1079 'bash',
1080 '../../tools-webrtc/valgrind/webrtc_tests.sh',
1081 '--tool',
1082 'memcheck',
1083 '--target',
1084 'Release',
1085 '--build-dir',
1086 '..',
1087 '--test',
1088 ]
1089
1090 if not memcheck:
1091 extra_files += [
1092 '../../third_party/gtest-parallel/gtest-parallel',
1093 '../../tools-webrtc/gtest-parallel-wrapper.py',
1094 ]
1095 sep = '\\' if self.platform == 'win32' else '/'
1096 output_dir = '${ISOLATED_OUTDIR}' + sep + 'test_logs'
1097 gtest_parallel_wrapper = [
1098 '../../tools-webrtc/gtest-parallel-wrapper.py',
1099 '--output_dir=%s' % output_dir,
1100 '--gtest_color=no',
1101 # We tell gtest-parallel to interrupt the test after 900 seconds,
1102 # so it can exit cleanly and report results, instead of being
1103 # interrupted by swarming and not reporting anything.
1104 '--timeout=900',
1105 '--retry_failed=3',
1106 ]
1107
1108 asan = 'is_asan=true' in vals['gn_args']
1109 lsan = 'is_lsan=true' in vals['gn_args']
1110 msan = 'is_msan=true' in vals['gn_args']
1111 tsan = 'is_tsan=true' in vals['gn_args']
1112
1113 executable_prefix = '.\\' if self.platform == 'win32' else './'
1114 executable_suffix = '.exe' if self.platform == 'win32' else ''
1115 executable = executable_prefix + target + executable_suffix
1116
1117 cmdline = (['../../testing/xvfb.py'] if xvfb else
1118 ['../../testing/test_env.py'])
1119 cmdline += memcheck_cmdline if memcheck else gtest_parallel_wrapper
1120 cmdline.append(executable)
1121 if test_type == 'non_parallel_console_test_launcher' and not memcheck:
1122 # Still use the gtest-parallel-wrapper.py script since we need it to
1123 # run tests on swarming, but don't execute tests in parallel.
1124 cmdline.append('--workers=1')
1125
1126 cmdline.extend([
1127 '--',
1128 '--asan=%d' % asan,
1129 '--lsan=%d' % lsan,
1130 '--msan=%d' % msan,
1131 '--tsan=%d' % tsan,
1132 ])
1133
1134 cmdline += isolate_map[target].get('args', [])
1135
1136 return cmdline, extra_files
1137
1138 def ToAbsPath(self, build_path, *comps):
1139 return self.PathJoin(self.src_dir,
1140 self.ToSrcRelPath(build_path),
1141 *comps)
1142
1143 def ToSrcRelPath(self, path):
1144 """Returns a relative path from the top of the repo."""
1145 if path.startswith('//'):
1146 return path[2:].replace('/', self.sep)
1147 return self.RelPath(path, self.src_dir)
1148
1149 def ParseGYPConfigPath(self, path):
1150 rpath = self.ToSrcRelPath(path)
1151 output_dir, _, _ = rpath.rpartition(self.sep)
1152 return output_dir
1153
1154 def GYPCmd(self, output_dir, vals):
1155 if vals['cros_passthrough']:
1156 if not 'GYP_DEFINES' in os.environ:
1157 raise MBErr('MB is expecting GYP_DEFINES to be in the environment')
1158 gyp_defines = os.environ['GYP_DEFINES']
1159 if not 'chromeos=1' in gyp_defines:
1160 raise MBErr('GYP_DEFINES is missing chromeos=1: (GYP_DEFINES=%s)' %
1161 gyp_defines)
1162 else:
1163 gyp_defines = vals['gyp_defines']
1164
1165 goma_dir = self.args.goma_dir
1166
1167 # GYP uses shlex.split() to split the gyp defines into separate arguments,
1168 # so we can support backslashes and and spaces in arguments by quoting
1169 # them, even on Windows, where this normally wouldn't work.
1170 if goma_dir and ('\\' in goma_dir or ' ' in goma_dir):
1171 goma_dir = "'%s'" % goma_dir
1172
1173 if goma_dir:
1174 gyp_defines += ' gomadir=%s' % goma_dir
1175
1176 android_version_code = self.args.android_version_code
1177 if android_version_code:
1178 gyp_defines += ' app_manifest_version_code=%s' % android_version_code
1179
1180 android_version_name = self.args.android_version_name
1181 if android_version_name:
1182 gyp_defines += ' app_manifest_version_name=%s' % android_version_name
1183
1184 cmd = [
1185 self.executable,
1186 self.args.gyp_script,
1187 '-G',
1188 'output_dir=' + output_dir,
1189 ]
1190
1191 # Ensure that we have an environment that only contains
1192 # the exact values of the GYP variables we need.
1193 env = os.environ.copy()
1194
1195 # This is a terrible hack to work around the fact that
1196 # //tools/clang/scripts/update.py is invoked by GYP and GN but
1197 # currently relies on an environment variable to figure out
1198 # what revision to embed in the command line #defines.
1199 # For GN, we've made this work via a gn arg that will cause update.py
1200 # to get an additional command line arg, but getting that to work
1201 # via GYP_DEFINES has proven difficult, so we rewrite the GYP_DEFINES
1202 # to get rid of the arg and add the old var in, instead.
1203 # See crbug.com/582737 for more on this. This can hopefully all
1204 # go away with GYP.
1205 m = re.search('llvm_force_head_revision=1\s*', gyp_defines)
1206 if m:
1207 env['LLVM_FORCE_HEAD_REVISION'] = '1'
1208 gyp_defines = gyp_defines.replace(m.group(0), '')
1209
1210 # This is another terrible hack to work around the fact that
1211 # GYP sets the link concurrency to use via the GYP_LINK_CONCURRENCY
1212 # environment variable, and not via a proper GYP_DEFINE. See
1213 # crbug.com/611491 for more on this.
1214 m = re.search('gyp_link_concurrency=(\d+)(\s*)', gyp_defines)
1215 if m:
1216 env['GYP_LINK_CONCURRENCY'] = m.group(1)
1217 gyp_defines = gyp_defines.replace(m.group(0), '')
1218
1219 env['GYP_GENERATORS'] = 'ninja'
1220 if 'GYP_CHROMIUM_NO_ACTION' in env:
1221 del env['GYP_CHROMIUM_NO_ACTION']
1222 if 'GYP_CROSSCOMPILE' in env:
1223 del env['GYP_CROSSCOMPILE']
1224 env['GYP_DEFINES'] = gyp_defines
1225 if vals['gyp_crosscompile']:
1226 env['GYP_CROSSCOMPILE'] = '1'
1227 return cmd, env
1228
1229 def RunGNAnalyze(self, vals):
1230 # Analyze runs before 'gn gen' now, so we need to run gn gen
1231 # in order to ensure that we have a build directory.
1232 ret = self.RunGNGen(vals)
1233 if ret:
1234 return ret
1235
1236 build_path = self.args.path[0]
1237 input_path = self.args.input_path[0]
1238 gn_input_path = input_path + '.gn'
1239 output_path = self.args.output_path[0]
1240 gn_output_path = output_path + '.gn'
1241
1242 inp = self.ReadInputJSON(['files', 'test_targets',
1243 'additional_compile_targets'])
1244 if self.args.verbose:
1245 self.Print()
1246 self.Print('analyze input:')
1247 self.PrintJSON(inp)
1248 self.Print()
1249
1250
1251 # This shouldn't normally happen, but could due to unusual race conditions,
1252 # like a try job that gets scheduled before a patch lands but runs after
1253 # the patch has landed.
1254 if not inp['files']:
1255 self.Print('Warning: No files modified in patch, bailing out early.')
1256 self.WriteJSON({
1257 'status': 'No dependency',
1258 'compile_targets': [],
1259 'test_targets': [],
1260 }, output_path)
1261 return 0
1262
1263 gn_inp = {}
1264 gn_inp['files'] = ['//' + f for f in inp['files'] if not f.startswith('//')]
1265
1266 isolate_map = self.ReadIsolateMap()
1267 err, gn_inp['additional_compile_targets'] = self.MapTargetsToLabels(
1268 isolate_map, inp['additional_compile_targets'])
1269 if err:
1270 raise MBErr(err)
1271
1272 err, gn_inp['test_targets'] = self.MapTargetsToLabels(
1273 isolate_map, inp['test_targets'])
1274 if err:
1275 raise MBErr(err)
1276 labels_to_targets = {}
1277 for i, label in enumerate(gn_inp['test_targets']):
1278 labels_to_targets[label] = inp['test_targets'][i]
1279
1280 try:
1281 self.WriteJSON(gn_inp, gn_input_path)
1282 cmd = self.GNCmd('analyze', build_path, gn_input_path, gn_output_path)
1283 ret, _, _ = self.Run(cmd, force_verbose=True)
1284 if ret:
1285 return ret
1286
1287 gn_outp_str = self.ReadFile(gn_output_path)
1288 try:
1289 gn_outp = json.loads(gn_outp_str)
1290 except Exception as e:
1291 self.Print("Failed to parse the JSON string GN returned: %s\n%s"
1292 % (repr(gn_outp_str), str(e)))
1293 raise
1294
1295 outp = {}
1296 if 'status' in gn_outp:
1297 outp['status'] = gn_outp['status']
1298 if 'error' in gn_outp:
1299 outp['error'] = gn_outp['error']
1300 if 'invalid_targets' in gn_outp:
1301 outp['invalid_targets'] = gn_outp['invalid_targets']
1302 if 'compile_targets' in gn_outp:
1303 if 'all' in gn_outp['compile_targets']:
1304 outp['compile_targets'] = ['all']
1305 else:
1306 outp['compile_targets'] = [
1307 label.replace('//', '') for label in gn_outp['compile_targets']]
1308 if 'test_targets' in gn_outp:
1309 outp['test_targets'] = [
1310 labels_to_targets[label] for label in gn_outp['test_targets']]
1311
1312 if self.args.verbose:
1313 self.Print()
1314 self.Print('analyze output:')
1315 self.PrintJSON(outp)
1316 self.Print()
1317
1318 self.WriteJSON(outp, output_path)
1319
1320 finally:
1321 if self.Exists(gn_input_path):
1322 self.RemoveFile(gn_input_path)
1323 if self.Exists(gn_output_path):
1324 self.RemoveFile(gn_output_path)
1325
1326 return 0
1327
1328 def ReadInputJSON(self, required_keys):
1329 path = self.args.input_path[0]
1330 output_path = self.args.output_path[0]
1331 if not self.Exists(path):
1332 self.WriteFailureAndRaise('"%s" does not exist' % path, output_path)
1333
1334 try:
1335 inp = json.loads(self.ReadFile(path))
1336 except Exception as e:
1337 self.WriteFailureAndRaise('Failed to read JSON input from "%s": %s' %
1338 (path, e), output_path)
1339
1340 for k in required_keys:
1341 if not k in inp:
1342 self.WriteFailureAndRaise('input file is missing a "%s" key' % k,
1343 output_path)
1344
1345 return inp
1346
1347 def WriteFailureAndRaise(self, msg, output_path):
1348 if output_path:
1349 self.WriteJSON({'error': msg}, output_path, force_verbose=True)
1350 raise MBErr(msg)
1351
1352 def WriteJSON(self, obj, path, force_verbose=False):
1353 try:
1354 self.WriteFile(path, json.dumps(obj, indent=2, sort_keys=True) + '\n',
1355 force_verbose=force_verbose)
1356 except Exception as e:
1357 raise MBErr('Error %s writing to the output path "%s"' %
1358 (e, path))
1359
1360 def CheckCompile(self, master, builder):
1361 url_template = self.args.url_template + '/{builder}/builds/_all?as_text=1'
1362 url = urllib2.quote(url_template.format(master=master, builder=builder),
1363 safe=':/()?=')
1364 try:
1365 builds = json.loads(self.Fetch(url))
1366 except Exception as e:
1367 return str(e)
1368 successes = sorted(
1369 [int(x) for x in builds.keys() if "text" in builds[x] and
1370 cmp(builds[x]["text"][:2], ["build", "successful"]) == 0],
1371 reverse=True)
1372 if not successes:
1373 return "no successful builds"
1374 build = builds[str(successes[0])]
1375 step_names = set([step["name"] for step in build["steps"]])
1376 compile_indicators = set(["compile", "compile (with patch)", "analyze"])
1377 if compile_indicators & step_names:
1378 return "compiles"
1379 return "does not compile"
1380
1381 def PrintCmd(self, cmd, env):
1382 if self.platform == 'win32':
1383 env_prefix = 'set '
1384 env_quoter = QuoteForSet
1385 shell_quoter = QuoteForCmd
1386 else:
1387 env_prefix = ''
1388 env_quoter = pipes.quote
1389 shell_quoter = pipes.quote
1390
1391 def print_env(var):
1392 if env and var in env:
1393 self.Print('%s%s=%s' % (env_prefix, var, env_quoter(env[var])))
1394
1395 print_env('GYP_CROSSCOMPILE')
1396 print_env('GYP_DEFINES')
1397 print_env('GYP_LINK_CONCURRENCY')
1398 print_env('LLVM_FORCE_HEAD_REVISION')
1399
1400 if cmd[0] == self.executable:
1401 cmd = ['python'] + cmd[1:]
1402 self.Print(*[shell_quoter(arg) for arg in cmd])
1403
1404 def PrintJSON(self, obj):
1405 self.Print(json.dumps(obj, indent=2, sort_keys=True))
1406
1407 def Build(self, target):
1408 build_dir = self.ToSrcRelPath(self.args.path[0])
1409 ninja_cmd = ['ninja', '-C', build_dir]
1410 if self.args.jobs:
1411 ninja_cmd.extend(['-j', '%d' % self.args.jobs])
1412 ninja_cmd.append(target)
1413 ret, _, _ = self.Run(ninja_cmd, force_verbose=False, buffer_output=False)
1414 return ret
1415
1416 def Run(self, cmd, env=None, force_verbose=True, buffer_output=True):
1417 # This function largely exists so it can be overridden for testing.
1418 if self.args.dryrun or self.args.verbose or force_verbose:
1419 self.PrintCmd(cmd, env)
1420 if self.args.dryrun:
1421 return 0, '', ''
1422
1423 ret, out, err = self.Call(cmd, env=env, buffer_output=buffer_output)
1424 if self.args.verbose or force_verbose:
1425 if ret:
1426 self.Print(' -> returned %d' % ret)
1427 if out:
1428 self.Print(out, end='')
1429 if err:
1430 self.Print(err, end='', file=sys.stderr)
1431 return ret, out, err
1432
1433 def Call(self, cmd, env=None, buffer_output=True):
1434 if buffer_output:
1435 p = subprocess.Popen(cmd, shell=False, cwd=self.src_dir,
1436 stdout=subprocess.PIPE, stderr=subprocess.PIPE,
1437 env=env)
1438 out, err = p.communicate()
1439 else:
1440 p = subprocess.Popen(cmd, shell=False, cwd=self.src_dir,
1441 env=env)
1442 p.wait()
1443 out = err = ''
1444 return p.returncode, out, err
1445
1446 def ExpandUser(self, path):
1447 # This function largely exists so it can be overridden for testing.
1448 return os.path.expanduser(path)
1449
1450 def Exists(self, path):
1451 # This function largely exists so it can be overridden for testing.
1452 return os.path.exists(path)
1453
1454 def Fetch(self, url):
1455 # This function largely exists so it can be overridden for testing.
1456 f = urllib2.urlopen(url)
1457 contents = f.read()
1458 f.close()
1459 return contents
1460
1461 def MaybeMakeDirectory(self, path):
1462 try:
1463 os.makedirs(path)
1464 except OSError, e:
1465 if e.errno != errno.EEXIST:
1466 raise
1467
1468 def PathJoin(self, *comps):
1469 # This function largely exists so it can be overriden for testing.
1470 return os.path.join(*comps)
1471
1472 def Print(self, *args, **kwargs):
1473 # This function largely exists so it can be overridden for testing.
1474 print(*args, **kwargs)
1475 if kwargs.get('stream', sys.stdout) == sys.stdout:
1476 sys.stdout.flush()
1477
1478 def ReadFile(self, path):
1479 # This function largely exists so it can be overriden for testing.
1480 with open(path) as fp:
1481 return fp.read()
1482
1483 def RelPath(self, path, start='.'):
1484 # This function largely exists so it can be overriden for testing.
1485 return os.path.relpath(path, start)
1486
1487 def RemoveFile(self, path):
1488 # This function largely exists so it can be overriden for testing.
1489 os.remove(path)
1490
1491 def RemoveDirectory(self, abs_path):
1492 if self.platform == 'win32':
1493 # In other places in chromium, we often have to retry this command
1494 # because we're worried about other processes still holding on to
1495 # file handles, but when MB is invoked, it will be early enough in the
1496 # build that their should be no other processes to interfere. We
1497 # can change this if need be.
1498 self.Run(['cmd.exe', '/c', 'rmdir', '/q', '/s', abs_path])
1499 else:
1500 shutil.rmtree(abs_path, ignore_errors=True)
1501
1502 def TempFile(self, mode='w'):
1503 # This function largely exists so it can be overriden for testing.
1504 return tempfile.NamedTemporaryFile(mode=mode, delete=False)
1505
1506 def WriteFile(self, path, contents, force_verbose=False):
1507 # This function largely exists so it can be overriden for testing.
1508 if self.args.dryrun or self.args.verbose or force_verbose:
1509 self.Print('\nWriting """\\\n%s""" to %s.\n' % (contents, path))
1510 with open(path, 'w') as fp:
1511 return fp.write(contents)
1512
1513
1514 class MBErr(Exception):
1515 pass
1516
1517
1518 # See http://goo.gl/l5NPDW and http://goo.gl/4Diozm for the painful
1519 # details of this next section, which handles escaping command lines
1520 # so that they can be copied and pasted into a cmd window.
1521 UNSAFE_FOR_SET = set('^<>&|')
1522 UNSAFE_FOR_CMD = UNSAFE_FOR_SET.union(set('()%'))
1523 ALL_META_CHARS = UNSAFE_FOR_CMD.union(set('"'))
1524
1525
1526 def QuoteForSet(arg):
1527 if any(a in UNSAFE_FOR_SET for a in arg):
1528 arg = ''.join('^' + a if a in UNSAFE_FOR_SET else a for a in arg)
1529 return arg
1530
1531
1532 def QuoteForCmd(arg):
1533 # First, escape the arg so that CommandLineToArgvW will parse it properly.
1534 # From //tools/gyp/pylib/gyp/msvs_emulation.py:23.
1535 if arg == '' or ' ' in arg or '"' in arg:
1536 quote_re = re.compile(r'(\\*)"')
1537 arg = '"%s"' % (quote_re.sub(lambda mo: 2 * mo.group(1) + '\\"', arg))
1538
1539 # Then check to see if the arg contains any metacharacters other than
1540 # double quotes; if it does, quote everything (including the double
1541 # quotes) for safety.
1542 if any(a in UNSAFE_FOR_CMD for a in arg):
1543 arg = ''.join('^' + a if a in ALL_META_CHARS else a for a in arg)
1544 return arg
1545
1546
1547 if __name__ == '__main__':
1548 sys.exit(main(sys.argv[1:]))
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