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v8/tools/mb/mb.py

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[mb] Copy MB from Chromium repo This prepares deletion of MB on the Chromium side. This runs validation of the v8 configs as presubmit and removes some obsolete code that required chromium. BUG=chromium:616035 Review-Url: https://codereview.chromium.org/2299953002 Cr-Commit-Position: refs/heads/master@{#39082}
2016-09-01 12:20:01 +00:00
#!/usr/bin/env python
# Copyright 2016 the V8 project authors. All rights reserved.
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""MB - the Meta-Build wrapper around GYP and GN
MB is a wrapper script for GYP and GN that can be used to generate build files
for sets of canned configurations and analyze them.
"""
from __future__ import print_function
import argparse
import ast
import errno
import json
import os
import pipes
import pprint
import re
import shutil
import sys
import subprocess
import tempfile
import traceback
import urllib2
from collections import OrderedDict
CHROMIUM_SRC_DIR = os.path.dirname(os.path.dirname(os.path.dirname(
os.path.abspath(__file__))))
sys.path = [os.path.join(CHROMIUM_SRC_DIR, 'build')] + sys.path
import gn_helpers
def main(args):
mbw = MetaBuildWrapper()
return mbw.Main(args)
class MetaBuildWrapper(object):
def __init__(self):
self.chromium_src_dir = CHROMIUM_SRC_DIR
self.default_config = os.path.join(self.chromium_src_dir, 'infra', 'mb',
'mb_config.pyl')
self.executable = sys.executable
self.platform = sys.platform
self.sep = os.sep
self.args = argparse.Namespace()
self.configs = {}
self.masters = {}
self.mixins = {}
def Main(self, args):
self.ParseArgs(args)
try:
ret = self.args.func()
if ret:
self.DumpInputFiles()
return ret
except KeyboardInterrupt:
self.Print('interrupted, exiting', stream=sys.stderr)
return 130
except Exception:
self.DumpInputFiles()
s = traceback.format_exc()
for l in s.splitlines():
self.Print(l)
return 1
def ParseArgs(self, argv):
def AddCommonOptions(subp):
subp.add_argument('-b', '--builder',
help='builder name to look up config from')
subp.add_argument('-m', '--master',
help='master name to look up config from')
subp.add_argument('-c', '--config',
help='configuration to analyze')
subp.add_argument('--phase', type=int,
help=('build phase for a given build '
'(int in [1, 2, ...))'))
subp.add_argument('-f', '--config-file', metavar='PATH',
default=self.default_config,
help='path to config file '
'(default is //tools/mb/mb_config.pyl)')
subp.add_argument('-g', '--goma-dir',
help='path to goma directory')
subp.add_argument('--gyp-script', metavar='PATH',
default=self.PathJoin('build', 'gyp_chromium'),
help='path to gyp script relative to project root '
'(default is %(default)s)')
subp.add_argument('--android-version-code',
help='Sets GN arg android_default_version_code and '
'GYP_DEFINE app_manifest_version_code')
subp.add_argument('--android-version-name',
help='Sets GN arg android_default_version_name and '
'GYP_DEFINE app_manifest_version_name')
subp.add_argument('-n', '--dryrun', action='store_true',
help='Do a dry run (i.e., do nothing, just print '
'the commands that will run)')
subp.add_argument('-v', '--verbose', action='store_true',
help='verbose logging')
parser = argparse.ArgumentParser(prog='mb')
subps = parser.add_subparsers()
subp = subps.add_parser('analyze',
help='analyze whether changes to a set of files '
'will cause a set of binaries to be rebuilt.')
AddCommonOptions(subp)
subp.add_argument('path', nargs=1,
help='path build was generated into.')
subp.add_argument('input_path', nargs=1,
help='path to a file containing the input arguments '
'as a JSON object.')
subp.add_argument('output_path', nargs=1,
help='path to a file containing the output arguments '
'as a JSON object.')
subp.set_defaults(func=self.CmdAnalyze)
subp = subps.add_parser('gen',
help='generate a new set of build files')
AddCommonOptions(subp)
subp.add_argument('--swarming-targets-file',
help='save runtime dependencies for targets listed '
'in file.')
subp.add_argument('path', nargs=1,
help='path to generate build into')
subp.set_defaults(func=self.CmdGen)
subp = subps.add_parser('isolate',
help='generate the .isolate files for a given'
'binary')
AddCommonOptions(subp)
subp.add_argument('path', nargs=1,
help='path build was generated into')
subp.add_argument('target', nargs=1,
help='ninja target to generate the isolate for')
subp.set_defaults(func=self.CmdIsolate)
subp = subps.add_parser('lookup',
help='look up the command for a given config or '
'builder')
AddCommonOptions(subp)
subp.set_defaults(func=self.CmdLookup)
subp = subps.add_parser(
'run',
help='build and run the isolated version of a '
'binary',
formatter_class=argparse.RawDescriptionHelpFormatter)
subp.description = (
'Build, isolate, and run the given binary with the command line\n'
'listed in the isolate. You may pass extra arguments after the\n'
'target; use "--" if the extra arguments need to include switches.\n'
'\n'
'Examples:\n'
'\n'
' % tools/mb/mb.py run -m chromium.linux -b "Linux Builder" \\\n'
' //out/Default content_browsertests\n'
'\n'
' % tools/mb/mb.py run out/Default content_browsertests\n'
'\n'
' % tools/mb/mb.py run out/Default content_browsertests -- \\\n'
' --test-launcher-retry-limit=0'
'\n'
)
AddCommonOptions(subp)
subp.add_argument('-j', '--jobs', dest='jobs', type=int,
help='Number of jobs to pass to ninja')
subp.add_argument('--no-build', dest='build', default=True,
action='store_false',
help='Do not build, just isolate and run')
subp.add_argument('path', nargs=1,
help=('path to generate build into (or use).'
' This can be either a regular path or a '
'GN-style source-relative path like '
'//out/Default.'))
subp.add_argument('target', nargs=1,
help='ninja target to build and run')
subp.add_argument('extra_args', nargs='*',
help=('extra args to pass to the isolate to run. Use '
'"--" as the first arg if you need to pass '
'switches'))
subp.set_defaults(func=self.CmdRun)
subp = subps.add_parser('validate',
help='validate the config file')
subp.add_argument('-f', '--config-file', metavar='PATH',
default=self.default_config,
help='path to config file '
'(default is //infra/mb/mb_config.pyl)')
subp.set_defaults(func=self.CmdValidate)
subp = subps.add_parser('audit',
help='Audit the config file to track progress')
subp.add_argument('-f', '--config-file', metavar='PATH',
default=self.default_config,
help='path to config file '
'(default is //infra/mb/mb_config.pyl)')
subp.add_argument('-i', '--internal', action='store_true',
help='check internal masters also')
subp.add_argument('-m', '--master', action='append',
help='master to audit (default is all non-internal '
'masters in file)')
subp.add_argument('-u', '--url-template', action='store',
default='https://build.chromium.org/p/'
'{master}/json/builders',
help='URL scheme for JSON APIs to buildbot '
'(default: %(default)s) ')
subp.add_argument('-c', '--check-compile', action='store_true',
help='check whether tbd and master-only bots actually'
' do compiles')
subp.set_defaults(func=self.CmdAudit)
subp = subps.add_parser('help',
help='Get help on a subcommand.')
subp.add_argument(nargs='?', action='store', dest='subcommand',
help='The command to get help for.')
subp.set_defaults(func=self.CmdHelp)
self.args = parser.parse_args(argv)
def DumpInputFiles(self):
def DumpContentsOfFilePassedTo(arg_name, path):
if path and self.Exists(path):
self.Print("\n# To recreate the file passed to %s:" % arg_name)
self.Print("%% cat > %s <<EOF)" % path)
contents = self.ReadFile(path)
self.Print(contents)
self.Print("EOF\n%\n")
if getattr(self.args, 'input_path', None):
DumpContentsOfFilePassedTo(
'argv[0] (input_path)', self.args.input_path[0])
if getattr(self.args, 'swarming_targets_file', None):
DumpContentsOfFilePassedTo(
'--swarming-targets-file', self.args.swarming_targets_file)
def CmdAnalyze(self):
vals = self.Lookup()
self.ClobberIfNeeded(vals)
if vals['type'] == 'gn':
return self.RunGNAnalyze(vals)
else:
return self.RunGYPAnalyze(vals)
def CmdGen(self):
vals = self.Lookup()
self.ClobberIfNeeded(vals)
if vals['type'] == 'gn':
return self.RunGNGen(vals)
else:
return self.RunGYPGen(vals)
def CmdHelp(self):
if self.args.subcommand:
self.ParseArgs([self.args.subcommand, '--help'])
else:
self.ParseArgs(['--help'])
def CmdIsolate(self):
vals = self.GetConfig()
if not vals:
return 1
if vals['type'] == 'gn':
return self.RunGNIsolate(vals)
else:
return self.Build('%s_run' % self.args.target[0])
def CmdLookup(self):
vals = self.Lookup()
if vals['type'] == 'gn':
cmd = self.GNCmd('gen', '_path_')
gn_args = self.GNArgs(vals)
self.Print('\nWriting """\\\n%s""" to _path_/args.gn.\n' % gn_args)
env = None
else:
cmd, env = self.GYPCmd('_path_', vals)
self.PrintCmd(cmd, env)
return 0
def CmdRun(self):
vals = self.GetConfig()
if not vals:
return 1
build_dir = self.args.path[0]
target = self.args.target[0]
if vals['type'] == 'gn':
if self.args.build:
ret = self.Build(target)
if ret:
return ret
ret = self.RunGNIsolate(vals)
if ret:
return ret
else:
ret = self.Build('%s_run' % target)
if ret:
return ret
cmd = [
self.executable,
self.PathJoin('tools', 'swarming_client', 'isolate.py'),
'run',
'-s',
self.ToSrcRelPath('%s/%s.isolated' % (build_dir, target)),
]
if self.args.extra_args:
cmd += ['--'] + self.args.extra_args
ret, _, _ = self.Run(cmd, force_verbose=False, buffer_output=False)
return ret
def CmdValidate(self, print_ok=True):
errs = []
# Read the file to make sure it parses.
self.ReadConfigFile()
# Build a list of all of the configs referenced by builders.
all_configs = {}
for master in self.masters:
for config in self.masters[master].values():
if isinstance(config, list):
for c in config:
all_configs[c] = master
else:
all_configs[config] = master
# Check that every referenced args file or config actually exists.
for config, loc in all_configs.items():
if config.startswith('//'):
if not self.Exists(self.ToAbsPath(config)):
errs.append('Unknown args file "%s" referenced from "%s".' %
(config, loc))
elif not config in self.configs:
errs.append('Unknown config "%s" referenced from "%s".' %
(config, loc))
# Check that every actual config is actually referenced.
for config in self.configs:
if not config in all_configs:
errs.append('Unused config "%s".' % config)
# Figure out the whole list of mixins, and check that every mixin
# listed by a config or another mixin actually exists.
referenced_mixins = set()
for config, mixins in self.configs.items():
for mixin in mixins:
if not mixin in self.mixins:
errs.append('Unknown mixin "%s" referenced by config "%s".' %
(mixin, config))
referenced_mixins.add(mixin)
for mixin in self.mixins:
for sub_mixin in self.mixins[mixin].get('mixins', []):
if not sub_mixin in self.mixins:
errs.append('Unknown mixin "%s" referenced by mixin "%s".' %
(sub_mixin, mixin))
referenced_mixins.add(sub_mixin)
# Check that every mixin defined is actually referenced somewhere.
for mixin in self.mixins:
if not mixin in referenced_mixins:
errs.append('Unreferenced mixin "%s".' % mixin)
if errs:
raise MBErr(('mb config file %s has problems:' % self.args.config_file) +
'\n ' + '\n '.join(errs))
if print_ok:
self.Print('mb config file %s looks ok.' % self.args.config_file)
return 0
def CmdAudit(self):
"""Track the progress of the GYP->GN migration on the bots."""
# First, make sure the config file is okay, but don't print anything
# if it is (it will throw an error if it isn't).
self.CmdValidate(print_ok=False)
stats = OrderedDict()
STAT_MASTER_ONLY = 'Master only'
STAT_CONFIG_ONLY = 'Config only'
STAT_TBD = 'Still TBD'
STAT_GYP = 'Still GYP'
STAT_DONE = 'Done (on GN)'
stats[STAT_MASTER_ONLY] = 0
stats[STAT_CONFIG_ONLY] = 0
stats[STAT_TBD] = 0
stats[STAT_GYP] = 0
stats[STAT_DONE] = 0
def PrintBuilders(heading, builders, notes):
stats.setdefault(heading, 0)
stats[heading] += len(builders)
if builders:
self.Print(' %s:' % heading)
for builder in sorted(builders):
self.Print(' %s%s' % (builder, notes[builder]))
self.ReadConfigFile()
masters = self.args.master or self.masters
for master in sorted(masters):
url = self.args.url_template.replace('{master}', master)
self.Print('Auditing %s' % master)
MASTERS_TO_SKIP = (
'client.skia',
'client.v8.fyi',
'tryserver.v8',
)
if master in MASTERS_TO_SKIP:
# Skip these bots because converting them is the responsibility of
# those teams and out of scope for the Chromium migration to GN.
self.Print(' Skipped (out of scope)')
self.Print('')
continue
INTERNAL_MASTERS = ('official.desktop', 'official.desktop.continuous',
'internal.client.kitchensync')
if master in INTERNAL_MASTERS and not self.args.internal:
# Skip these because the servers aren't accessible by default ...
self.Print(' Skipped (internal)')
self.Print('')
continue
try:
# Fetch the /builders contents from the buildbot master. The
# keys of the dict are the builder names themselves.
json_contents = self.Fetch(url)
d = json.loads(json_contents)
except Exception as e:
self.Print(str(e))
return 1
config_builders = set(self.masters[master])
master_builders = set(d.keys())
both = master_builders & config_builders
master_only = master_builders - config_builders
config_only = config_builders - master_builders
tbd = set()
gyp = set()
done = set()
notes = {builder: '' for builder in config_builders | master_builders}
for builder in both:
config = self.masters[master][builder]
if config == 'tbd':
tbd.add(builder)
elif isinstance(config, list):
vals = self.FlattenConfig(config[0])
if vals['type'] == 'gyp':
gyp.add(builder)
else:
done.add(builder)
elif config.startswith('//'):
done.add(builder)
else:
vals = self.FlattenConfig(config)
if vals['type'] == 'gyp':
gyp.add(builder)
else:
done.add(builder)
if self.args.check_compile and (tbd or master_only):
either = tbd | master_only
for builder in either:
notes[builder] = ' (' + self.CheckCompile(master, builder) +')'
if master_only or config_only or tbd or gyp:
PrintBuilders(STAT_MASTER_ONLY, master_only, notes)
PrintBuilders(STAT_CONFIG_ONLY, config_only, notes)
PrintBuilders(STAT_TBD, tbd, notes)
PrintBuilders(STAT_GYP, gyp, notes)
else:
self.Print(' All GN!')
stats[STAT_DONE] += len(done)
self.Print('')
fmt = '{:<27} {:>4}'
self.Print(fmt.format('Totals', str(sum(int(v) for v in stats.values()))))
self.Print(fmt.format('-' * 27, '----'))
for stat, count in stats.items():
self.Print(fmt.format(stat, str(count)))
return 0
def GetConfig(self):
build_dir = self.args.path[0]
vals = {}
if self.args.builder or self.args.master or self.args.config:
vals = self.Lookup()
if vals['type'] == 'gn':
# Re-run gn gen in order to ensure the config is consistent with the
# build dir.
self.RunGNGen(vals)
return vals
mb_type_path = self.PathJoin(self.ToAbsPath(build_dir), 'mb_type')
if not self.Exists(mb_type_path):
toolchain_path = self.PathJoin(self.ToAbsPath(build_dir),
'toolchain.ninja')
if not self.Exists(toolchain_path):
self.Print('Must either specify a path to an existing GN build dir '
'or pass in a -m/-b pair or a -c flag to specify the '
'configuration')
return {}
else:
mb_type = 'gn'
else:
mb_type = self.ReadFile(mb_type_path).strip()
if mb_type == 'gn':
vals = self.GNValsFromDir(build_dir)
else:
vals = {}
vals['type'] = mb_type
return vals
def GNValsFromDir(self, build_dir):
args_contents = ""
gn_args_path = self.PathJoin(self.ToAbsPath(build_dir), 'args.gn')
if self.Exists(gn_args_path):
args_contents = self.ReadFile(gn_args_path)
gn_args = []
for l in args_contents.splitlines():
fields = l.split(' ')
name = fields[0]
val = ' '.join(fields[2:])
gn_args.append('%s=%s' % (name, val))
return {
'gn_args': ' '.join(gn_args),
'type': 'gn',
}
def Lookup(self):
vals = self.ReadBotConfig()
if not vals:
self.ReadConfigFile()
config = self.ConfigFromArgs()
if config.startswith('//'):
if not self.Exists(self.ToAbsPath(config)):
raise MBErr('args file "%s" not found' % config)
vals = {
'args_file': config,
'cros_passthrough': False,
'gn_args': '',
'gyp_crosscompile': False,
'gyp_defines': '',
'type': 'gn',
}
else:
if not config in self.configs:
raise MBErr('Config "%s" not found in %s' %
(config, self.args.config_file))
vals = self.FlattenConfig(config)
# Do some basic sanity checking on the config so that we
# don't have to do this in every caller.
assert 'type' in vals, 'No meta-build type specified in the config'
assert vals['type'] in ('gn', 'gyp'), (
'Unknown meta-build type "%s"' % vals['gn_args'])
return vals
def ReadBotConfig(self):
if not self.args.master or not self.args.builder:
return {}
path = self.PathJoin(self.chromium_src_dir, 'ios', 'build', 'bots',
self.args.master, self.args.builder + '.json')
if not self.Exists(path):
return {}
contents = json.loads(self.ReadFile(path))
gyp_vals = contents.get('GYP_DEFINES', {})
if isinstance(gyp_vals, dict):
gyp_defines = ' '.join('%s=%s' % (k, v) for k, v in gyp_vals.items())
else:
gyp_defines = ' '.join(gyp_vals)
gn_args = ' '.join(contents.get('gn_args', []))
return {
'args_file': '',
'cros_passthrough': False,
'gn_args': gn_args,
'gyp_crosscompile': False,
'gyp_defines': gyp_defines,
'type': contents.get('mb_type', ''),
}
def ReadConfigFile(self):
if not self.Exists(self.args.config_file):
raise MBErr('config file not found at %s' % self.args.config_file)
try:
contents = ast.literal_eval(self.ReadFile(self.args.config_file))
except SyntaxError as e:
raise MBErr('Failed to parse config file "%s": %s' %
(self.args.config_file, e))
self.configs = contents['configs']
self.masters = contents['masters']
self.mixins = contents['mixins']
def ConfigFromArgs(self):
if self.args.config:
if self.args.master or self.args.builder:
raise MBErr('Can not specific both -c/--config and -m/--master or '
'-b/--builder')
return self.args.config
if not self.args.master or not self.args.builder:
raise MBErr('Must specify either -c/--config or '
'(-m/--master and -b/--builder)')
if not self.args.master in self.masters:
raise MBErr('Master name "%s" not found in "%s"' %
(self.args.master, self.args.config_file))
if not self.args.builder in self.masters[self.args.master]:
raise MBErr('Builder name "%s" not found under masters[%s] in "%s"' %
(self.args.builder, self.args.master, self.args.config_file))
config = self.masters[self.args.master][self.args.builder]
if isinstance(config, list):
if self.args.phase is None:
raise MBErr('Must specify a build --phase for %s on %s' %
(self.args.builder, self.args.master))
phase = int(self.args.phase)
if phase < 1 or phase > len(config):
raise MBErr('Phase %d out of bounds for %s on %s' %
(phase, self.args.builder, self.args.master))
return config[phase-1]
if self.args.phase is not None:
raise MBErr('Must not specify a build --phase for %s on %s' %
(self.args.builder, self.args.master))
return config
def FlattenConfig(self, config):
mixins = self.configs[config]
vals = {
'args_file': '',
'cros_passthrough': False,
'gn_args': [],
'gyp_defines': '',
'gyp_crosscompile': False,
'type': None,
}
visited = []
self.FlattenMixins(mixins, vals, visited)
return vals
def FlattenMixins(self, mixins, vals, visited):
for m in mixins:
if m not in self.mixins:
raise MBErr('Unknown mixin "%s"' % m)
visited.append(m)
mixin_vals = self.mixins[m]
if 'cros_passthrough' in mixin_vals:
vals['cros_passthrough'] = mixin_vals['cros_passthrough']
if 'gn_args' in mixin_vals:
if vals['gn_args']:
vals['gn_args'] += ' ' + mixin_vals['gn_args']
else:
vals['gn_args'] = mixin_vals['gn_args']
if 'gyp_crosscompile' in mixin_vals:
vals['gyp_crosscompile'] = mixin_vals['gyp_crosscompile']
if 'gyp_defines' in mixin_vals:
if vals['gyp_defines']:
vals['gyp_defines'] += ' ' + mixin_vals['gyp_defines']
else:
vals['gyp_defines'] = mixin_vals['gyp_defines']
if 'type' in mixin_vals:
vals['type'] = mixin_vals['type']
if 'mixins' in mixin_vals:
self.FlattenMixins(mixin_vals['mixins'], vals, visited)
return vals
def ClobberIfNeeded(self, vals):
path = self.args.path[0]
build_dir = self.ToAbsPath(path)
mb_type_path = self.PathJoin(build_dir, 'mb_type')
needs_clobber = False
new_mb_type = vals['type']
if self.Exists(build_dir):
if self.Exists(mb_type_path):
old_mb_type = self.ReadFile(mb_type_path)
if old_mb_type != new_mb_type:
self.Print("Build type mismatch: was %s, will be %s, clobbering %s" %
(old_mb_type, new_mb_type, path))
needs_clobber = True
else:
# There is no 'mb_type' file in the build directory, so this probably
# means that the prior build(s) were not done through mb, and we
# have no idea if this was a GYP build or a GN build. Clobber it
# to be safe.
self.Print("%s/mb_type missing, clobbering to be safe" % path)
needs_clobber = True
if self.args.dryrun:
return
if needs_clobber:
self.RemoveDirectory(build_dir)
self.MaybeMakeDirectory(build_dir)
self.WriteFile(mb_type_path, new_mb_type)
def RunGNGen(self, vals):
build_dir = self.args.path[0]
cmd = self.GNCmd('gen', build_dir, '--check')
gn_args = self.GNArgs(vals)
# Since GN hasn't run yet, the build directory may not even exist.
self.MaybeMakeDirectory(self.ToAbsPath(build_dir))
gn_args_path = self.ToAbsPath(build_dir, 'args.gn')
self.WriteFile(gn_args_path, gn_args, force_verbose=True)
swarming_targets = []
if getattr(self.args, 'swarming_targets_file', None):
# We need GN to generate the list of runtime dependencies for
# the compile targets listed (one per line) in the file so
# we can run them via swarming. We use ninja_to_gn.pyl to convert
# the compile targets to the matching GN labels.
path = self.args.swarming_targets_file
if not self.Exists(path):
self.WriteFailureAndRaise('"%s" does not exist' % path,
output_path=None)
contents = self.ReadFile(path)
swarming_targets = set(contents.splitlines())
gn_isolate_map = ast.literal_eval(self.ReadFile(self.PathJoin(
self.chromium_src_dir, 'testing', 'buildbot', 'gn_isolate_map.pyl')))
gn_labels = []
err = ''
for target in swarming_targets:
target_name = self.GNTargetName(target)
if not target_name in gn_isolate_map:
err += ('test target "%s" not found\n' % target_name)
elif gn_isolate_map[target_name]['type'] == 'unknown':
err += ('test target "%s" type is unknown\n' % target_name)
else:
gn_labels.append(gn_isolate_map[target_name]['label'])
if err:
raise MBErr('Error: Failed to match swarming targets to %s:\n%s' %
('//testing/buildbot/gn_isolate_map.pyl', err))
gn_runtime_deps_path = self.ToAbsPath(build_dir, 'runtime_deps')
self.WriteFile(gn_runtime_deps_path, '\n'.join(gn_labels) + '\n')
cmd.append('--runtime-deps-list-file=%s' % gn_runtime_deps_path)
ret, _, _ = self.Run(cmd)
if ret:
# If `gn gen` failed, we should exit early rather than trying to
# generate isolates. Run() will have already logged any error output.
self.Print('GN gen failed: %d' % ret)
return ret
android = 'target_os="android"' in vals['gn_args']
for target in swarming_targets:
if android:
# Android targets may be either android_apk or executable. The former
# will result in runtime_deps associated with the stamp file, while the
# latter will result in runtime_deps associated with the executable.
target_name = self.GNTargetName(target)
label = gn_isolate_map[target_name]['label']
runtime_deps_targets = [
target_name + '.runtime_deps',
'obj/%s.stamp.runtime_deps' % label.replace(':', '/')]
elif gn_isolate_map[target]['type'] == 'gpu_browser_test':
if self.platform == 'win32':
runtime_deps_targets = ['browser_tests.exe.runtime_deps']
else:
runtime_deps_targets = ['browser_tests.runtime_deps']
elif (gn_isolate_map[target]['type'] == 'script' or
gn_isolate_map[target].get('label_type') == 'group'):
# For script targets, the build target is usually a group,
# for which gn generates the runtime_deps next to the stamp file
# for the label, which lives under the obj/ directory.
label = gn_isolate_map[target]['label']
runtime_deps_targets = [
'obj/%s.stamp.runtime_deps' % label.replace(':', '/')]
elif self.platform == 'win32':
runtime_deps_targets = [target + '.exe.runtime_deps']
else:
runtime_deps_targets = [target + '.runtime_deps']
for r in runtime_deps_targets:
runtime_deps_path = self.ToAbsPath(build_dir, r)
if self.Exists(runtime_deps_path):
break
else:
raise MBErr('did not generate any of %s' %
', '.join(runtime_deps_targets))
command, extra_files = self.GetIsolateCommand(target, vals,
gn_isolate_map)
runtime_deps = self.ReadFile(runtime_deps_path).splitlines()
self.WriteIsolateFiles(build_dir, command, target, runtime_deps,
extra_files)
return 0
def RunGNIsolate(self, vals):
gn_isolate_map = ast.literal_eval(self.ReadFile(self.PathJoin(
self.chromium_src_dir, 'testing', 'buildbot', 'gn_isolate_map.pyl')))
build_dir = self.args.path[0]
target = self.args.target[0]
target_name = self.GNTargetName(target)
command, extra_files = self.GetIsolateCommand(target, vals, gn_isolate_map)
label = gn_isolate_map[target_name]['label']
cmd = self.GNCmd('desc', build_dir, label, 'runtime_deps')
ret, out, _ = self.Call(cmd)
if ret:
if out:
self.Print(out)
return ret
runtime_deps = out.splitlines()
self.WriteIsolateFiles(build_dir, command, target, runtime_deps,
extra_files)
ret, _, _ = self.Run([
self.executable,
self.PathJoin('tools', 'swarming_client', 'isolate.py'),
'check',
'-i',
self.ToSrcRelPath('%s/%s.isolate' % (build_dir, target)),
'-s',
self.ToSrcRelPath('%s/%s.isolated' % (build_dir, target))],
buffer_output=False)
return ret
def WriteIsolateFiles(self, build_dir, command, target, runtime_deps,
extra_files):
isolate_path = self.ToAbsPath(build_dir, target + '.isolate')
self.WriteFile(isolate_path,
pprint.pformat({
'variables': {
'command': command,
'files': sorted(runtime_deps + extra_files),
}
}) + '\n')
self.WriteJSON(
{
'args': [
'--isolated',
self.ToSrcRelPath('%s/%s.isolated' % (build_dir, target)),
'--isolate',
self.ToSrcRelPath('%s/%s.isolate' % (build_dir, target)),
],
'dir': self.chromium_src_dir,
'version': 1,
},
isolate_path + 'd.gen.json',
)
def GNCmd(self, subcommand, path, *args):
if self.platform == 'linux2':
subdir, exe = 'linux64', 'gn'
elif self.platform == 'darwin':
subdir, exe = 'mac', 'gn'
else:
subdir, exe = 'win', 'gn.exe'
gn_path = self.PathJoin(self.chromium_src_dir, 'buildtools', subdir, exe)
return [gn_path, subcommand, path] + list(args)
def GNArgs(self, vals):
if vals['cros_passthrough']:
if not 'GN_ARGS' in os.environ:
raise MBErr('MB is expecting GN_ARGS to be in the environment')
gn_args = os.environ['GN_ARGS']
if not re.search('target_os.*=.*"chromeos"', gn_args):
raise MBErr('GN_ARGS is missing target_os = "chromeos": (GN_ARGS=%s)' %
gn_args)
else:
gn_args = vals['gn_args']
if self.args.goma_dir:
gn_args += ' goma_dir="%s"' % self.args.goma_dir
android_version_code = self.args.android_version_code
if android_version_code:
gn_args += ' android_default_version_code="%s"' % android_version_code
android_version_name = self.args.android_version_name
if android_version_name:
gn_args += ' android_default_version_name="%s"' % android_version_name
# Canonicalize the arg string into a sorted, newline-separated list
# of key-value pairs, and de-dup the keys if need be so that only
# the last instance of each arg is listed.
gn_args = gn_helpers.ToGNString(gn_helpers.FromGNArgs(gn_args))
args_file = vals.get('args_file', None)
if args_file:
gn_args = ('import("%s")\n' % vals['args_file']) + gn_args
return gn_args
def RunGYPGen(self, vals):
path = self.args.path[0]
output_dir = self.ParseGYPConfigPath(path)
cmd, env = self.GYPCmd(output_dir, vals)
ret, _, _ = self.Run(cmd, env=env)
return ret
def RunGYPAnalyze(self, vals):
output_dir = self.ParseGYPConfigPath(self.args.path[0])
if self.args.verbose:
inp = self.ReadInputJSON(['files', 'test_targets',
'additional_compile_targets'])
self.Print()
self.Print('analyze input:')
self.PrintJSON(inp)
self.Print()
cmd, env = self.GYPCmd(output_dir, vals)
cmd.extend(['-f', 'analyzer',
'-G', 'config_path=%s' % self.args.input_path[0],
'-G', 'analyzer_output_path=%s' % self.args.output_path[0]])
ret, _, _ = self.Run(cmd, env=env)
if not ret and self.args.verbose:
outp = json.loads(self.ReadFile(self.args.output_path[0]))
self.Print()
self.Print('analyze output:')
self.PrintJSON(outp)
self.Print()
return ret
def GetIsolateCommand(self, target, vals, gn_isolate_map):
android = 'target_os="android"' in vals['gn_args']
# This needs to mirror the settings in //build/config/ui.gni:
# use_x11 = is_linux && !use_ozone.
use_x11 = (self.platform == 'linux2' and
not android and
not 'use_ozone=true' in vals['gn_args'])
asan = 'is_asan=true' in vals['gn_args']
msan = 'is_msan=true' in vals['gn_args']
tsan = 'is_tsan=true' in vals['gn_args']
target_name = self.GNTargetName(target)
test_type = gn_isolate_map[target_name]['type']
executable = gn_isolate_map[target_name].get('executable', target_name)
executable_suffix = '.exe' if self.platform == 'win32' else ''
cmdline = []
extra_files = []
if android and test_type != "script":
logdog_command = [
'--logdog-bin-cmd', './../../bin/logdog_butler',
'--project', 'chromium',
'--service-account-json',
'/creds/service_accounts/service-account-luci-logdog-publisher.json',
'--prefix', 'android/swarming/logcats/${SWARMING_TASK_ID}',
'--source', '${ISOLATED_OUTDIR}/logcats',
'--name', 'unified_logcats',
]
test_cmdline = [
self.PathJoin('bin', 'run_%s' % target_name),
'--logcat-output-file', '${ISOLATED_OUTDIR}/logcats',
'--target-devices-file', '${SWARMING_BOT_FILE}',
'-v'
]
cmdline = (['./../../build/android/test_wrapper/logdog_wrapper.py']
+ logdog_command + test_cmdline)
elif use_x11 and test_type == 'windowed_test_launcher':
extra_files = [
'xdisplaycheck',
'../../testing/test_env.py',
'../../testing/xvfb.py',
]
cmdline = [
'../../testing/xvfb.py',
'.',
'./' + str(executable) + executable_suffix,
'--brave-new-test-launcher',
'--test-launcher-bot-mode',
'--asan=%d' % asan,
'--msan=%d' % msan,
'--tsan=%d' % tsan,
]
elif test_type in ('windowed_test_launcher', 'console_test_launcher'):
extra_files = [
'../../testing/test_env.py'
]
cmdline = [
'../../testing/test_env.py',
'./' + str(executable) + executable_suffix,
'--brave-new-test-launcher',
'--test-launcher-bot-mode',
'--asan=%d' % asan,
'--msan=%d' % msan,
'--tsan=%d' % tsan,
]
elif test_type == 'gpu_browser_test':
extra_files = [
'../../testing/test_env.py'
]
gtest_filter = gn_isolate_map[target]['gtest_filter']
cmdline = [
'../../testing/test_env.py',
'./browser_tests' + executable_suffix,
'--test-launcher-bot-mode',
'--enable-gpu',
'--test-launcher-jobs=1',
'--gtest_filter=%s' % gtest_filter,
]
elif test_type == 'script':
extra_files = [
'../../testing/test_env.py'
]
cmdline = [
'../../testing/test_env.py',
'../../' + self.ToSrcRelPath(gn_isolate_map[target]['script'])
]
elif test_type in ('raw'):
extra_files = []
cmdline = [
'./' + str(target) + executable_suffix,
]
else:
self.WriteFailureAndRaise('No command line for %s found (test type %s).'
% (target, test_type), output_path=None)
cmdline += gn_isolate_map[target_name].get('args', [])
return cmdline, extra_files
def ToAbsPath(self, build_path, *comps):
return self.PathJoin(self.chromium_src_dir,
self.ToSrcRelPath(build_path),
*comps)
def ToSrcRelPath(self, path):
"""Returns a relative path from the top of the repo."""
if path.startswith('//'):
return path[2:].replace('/', self.sep)
return self.RelPath(path, self.chromium_src_dir)
def ParseGYPConfigPath(self, path):
rpath = self.ToSrcRelPath(path)
output_dir, _, _ = rpath.rpartition(self.sep)
return output_dir
def GYPCmd(self, output_dir, vals):
if vals['cros_passthrough']:
if not 'GYP_DEFINES' in os.environ:
raise MBErr('MB is expecting GYP_DEFINES to be in the environment')
gyp_defines = os.environ['GYP_DEFINES']
if not 'chromeos=1' in gyp_defines:
raise MBErr('GYP_DEFINES is missing chromeos=1: (GYP_DEFINES=%s)' %
gyp_defines)
else:
gyp_defines = vals['gyp_defines']
goma_dir = self.args.goma_dir
# GYP uses shlex.split() to split the gyp defines into separate arguments,
# so we can support backslashes and and spaces in arguments by quoting
# them, even on Windows, where this normally wouldn't work.
if goma_dir and ('\\' in goma_dir or ' ' in goma_dir):
goma_dir = "'%s'" % goma_dir
if goma_dir:
gyp_defines += ' gomadir=%s' % goma_dir
android_version_code = self.args.android_version_code
if android_version_code:
gyp_defines += ' app_manifest_version_code=%s' % android_version_code
android_version_name = self.args.android_version_name
if android_version_name:
gyp_defines += ' app_manifest_version_name=%s' % android_version_name
cmd = [
self.executable,
self.args.gyp_script,
'-G',
'output_dir=' + output_dir,
]
# Ensure that we have an environment that only contains
# the exact values of the GYP variables we need.
env = os.environ.copy()
# This is a terrible hack to work around the fact that
# //tools/clang/scripts/update.py is invoked by GYP and GN but
# currently relies on an environment variable to figure out
# what revision to embed in the command line #defines.
# For GN, we've made this work via a gn arg that will cause update.py
# to get an additional command line arg, but getting that to work
# via GYP_DEFINES has proven difficult, so we rewrite the GYP_DEFINES
# to get rid of the arg and add the old var in, instead.
# See crbug.com/582737 for more on this. This can hopefully all
# go away with GYP.
m = re.search('llvm_force_head_revision=1\s*', gyp_defines)
if m:
env['LLVM_FORCE_HEAD_REVISION'] = '1'
gyp_defines = gyp_defines.replace(m.group(0), '')
# This is another terrible hack to work around the fact that
# GYP sets the link concurrency to use via the GYP_LINK_CONCURRENCY
# environment variable, and not via a proper GYP_DEFINE. See
# crbug.com/611491 for more on this.
m = re.search('gyp_link_concurrency=(\d+)(\s*)', gyp_defines)
if m:
env['GYP_LINK_CONCURRENCY'] = m.group(1)
gyp_defines = gyp_defines.replace(m.group(0), '')
env['GYP_GENERATORS'] = 'ninja'
if 'GYP_CHROMIUM_NO_ACTION' in env:
del env['GYP_CHROMIUM_NO_ACTION']
if 'GYP_CROSSCOMPILE' in env:
del env['GYP_CROSSCOMPILE']
env['GYP_DEFINES'] = gyp_defines
if vals['gyp_crosscompile']:
env['GYP_CROSSCOMPILE'] = '1'
return cmd, env
def RunGNAnalyze(self, vals):
# analyze runs before 'gn gen' now, so we need to run gn gen
# in order to ensure that we have a build directory.
ret = self.RunGNGen(vals)
if ret:
return ret
inp = self.ReadInputJSON(['files', 'test_targets',
'additional_compile_targets'])
if self.args.verbose:
self.Print()
self.Print('analyze input:')
self.PrintJSON(inp)
self.Print()
# TODO(crbug.com/555273) - currently GN treats targets and
# additional_compile_targets identically since we can't tell the
# difference between a target that is a group in GN and one that isn't.
# We should eventually fix this and treat the two types differently.
targets = (set(inp['test_targets']) |
set(inp['additional_compile_targets']))
output_path = self.args.output_path[0]
# Bail out early if a GN file was modified, since 'gn refs' won't know
# what to do about it. Also, bail out early if 'all' was asked for,
# since we can't deal with it yet.
if (any(f.endswith('.gn') or f.endswith('.gni') for f in inp['files']) or
'all' in targets):
self.WriteJSON({
'status': 'Found dependency (all)',
'compile_targets': sorted(targets),
'test_targets': sorted(targets & set(inp['test_targets'])),
}, output_path)
return 0
# This shouldn't normally happen, but could due to unusual race conditions,
# like a try job that gets scheduled before a patch lands but runs after
# the patch has landed.
if not inp['files']:
self.Print('Warning: No files modified in patch, bailing out early.')
self.WriteJSON({
'status': 'No dependency',
'compile_targets': [],
'test_targets': [],
}, output_path)
return 0
ret = 0
response_file = self.TempFile()
response_file.write('\n'.join(inp['files']) + '\n')
response_file.close()
matching_targets = set()
try:
cmd = self.GNCmd('refs',
self.args.path[0],
'@%s' % response_file.name,
'--all',
'--as=output')
ret, out, _ = self.Run(cmd, force_verbose=False)
if ret and not 'The input matches no targets' in out:
self.WriteFailureAndRaise('gn refs returned %d: %s' % (ret, out),
output_path)
build_dir = self.ToSrcRelPath(self.args.path[0]) + self.sep
for output in out.splitlines():
build_output = output.replace(build_dir, '')
if build_output in targets:
matching_targets.add(build_output)
cmd = self.GNCmd('refs',
self.args.path[0],
'@%s' % response_file.name,
'--all')
ret, out, _ = self.Run(cmd, force_verbose=False)
if ret and not 'The input matches no targets' in out:
self.WriteFailureAndRaise('gn refs returned %d: %s' % (ret, out),
output_path)
for label in out.splitlines():
build_target = label[2:]
# We want to accept 'chrome/android:chrome_public_apk' and
# just 'chrome_public_apk'. This may result in too many targets
# getting built, but we can adjust that later if need be.
for input_target in targets:
if (input_target == build_target or
build_target.endswith(':' + input_target)):
matching_targets.add(input_target)
finally:
self.RemoveFile(response_file.name)
if matching_targets:
self.WriteJSON({
'status': 'Found dependency',
'compile_targets': sorted(matching_targets),
'test_targets': sorted(matching_targets &
set(inp['test_targets'])),
}, output_path)
else:
self.WriteJSON({
'status': 'No dependency',
'compile_targets': [],
'test_targets': [],
}, output_path)
if self.args.verbose:
outp = json.loads(self.ReadFile(output_path))
self.Print()
self.Print('analyze output:')
self.PrintJSON(outp)
self.Print()
return 0
def ReadInputJSON(self, required_keys):
path = self.args.input_path[0]
output_path = self.args.output_path[0]
if not self.Exists(path):
self.WriteFailureAndRaise('"%s" does not exist' % path, output_path)
try:
inp = json.loads(self.ReadFile(path))
except Exception as e:
self.WriteFailureAndRaise('Failed to read JSON input from "%s": %s' %
(path, e), output_path)
for k in required_keys:
if not k in inp:
self.WriteFailureAndRaise('input file is missing a "%s" key' % k,
output_path)
return inp
def WriteFailureAndRaise(self, msg, output_path):
if output_path:
self.WriteJSON({'error': msg}, output_path, force_verbose=True)
raise MBErr(msg)
def WriteJSON(self, obj, path, force_verbose=False):
try:
self.WriteFile(path, json.dumps(obj, indent=2, sort_keys=True) + '\n',
force_verbose=force_verbose)
except Exception as e:
raise MBErr('Error %s writing to the output path "%s"' %
(e, path))
def CheckCompile(self, master, builder):
url_template = self.args.url_template + '/{builder}/builds/_all?as_text=1'
url = urllib2.quote(url_template.format(master=master, builder=builder),
safe=':/()?=')
try:
builds = json.loads(self.Fetch(url))
except Exception as e:
return str(e)
successes = sorted(
[int(x) for x in builds.keys() if "text" in builds[x] and
cmp(builds[x]["text"][:2], ["build", "successful"]) == 0],
reverse=True)
if not successes:
return "no successful builds"
build = builds[str(successes[0])]
step_names = set([step["name"] for step in build["steps"]])
compile_indicators = set(["compile", "compile (with patch)", "analyze"])
if compile_indicators & step_names:
return "compiles"
return "does not compile"
def PrintCmd(self, cmd, env):
if self.platform == 'win32':
env_prefix = 'set '
env_quoter = QuoteForSet
shell_quoter = QuoteForCmd
else:
env_prefix = ''
env_quoter = pipes.quote
shell_quoter = pipes.quote
def print_env(var):
if env and var in env:
self.Print('%s%s=%s' % (env_prefix, var, env_quoter(env[var])))
print_env('GYP_CROSSCOMPILE')
print_env('GYP_DEFINES')
print_env('GYP_LINK_CONCURRENCY')
print_env('LLVM_FORCE_HEAD_REVISION')
if cmd[0] == self.executable:
cmd = ['python'] + cmd[1:]
self.Print(*[shell_quoter(arg) for arg in cmd])
def PrintJSON(self, obj):
self.Print(json.dumps(obj, indent=2, sort_keys=True))
def GNTargetName(self, target):
return target
def Build(self, target):
build_dir = self.ToSrcRelPath(self.args.path[0])
ninja_cmd = ['ninja', '-C', build_dir]
if self.args.jobs:
ninja_cmd.extend(['-j', '%d' % self.args.jobs])
ninja_cmd.append(target)
ret, _, _ = self.Run(ninja_cmd, force_verbose=False, buffer_output=False)
return ret
def Run(self, cmd, env=None, force_verbose=True, buffer_output=True):
# This function largely exists so it can be overridden for testing.
if self.args.dryrun or self.args.verbose or force_verbose:
self.PrintCmd(cmd, env)
if self.args.dryrun:
return 0, '', ''
ret, out, err = self.Call(cmd, env=env, buffer_output=buffer_output)
if self.args.verbose or force_verbose:
if ret:
self.Print(' -> returned %d' % ret)
if out:
self.Print(out, end='')
if err:
self.Print(err, end='', file=sys.stderr)
return ret, out, err
def Call(self, cmd, env=None, buffer_output=True):
if buffer_output:
p = subprocess.Popen(cmd, shell=False, cwd=self.chromium_src_dir,
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
env=env)
out, err = p.communicate()
else:
p = subprocess.Popen(cmd, shell=False, cwd=self.chromium_src_dir,
env=env)
p.wait()
out = err = ''
return p.returncode, out, err
def ExpandUser(self, path):
# This function largely exists so it can be overridden for testing.
return os.path.expanduser(path)
def Exists(self, path):
# This function largely exists so it can be overridden for testing.
return os.path.exists(path)
def Fetch(self, url):
# This function largely exists so it can be overridden for testing.
f = urllib2.urlopen(url)
contents = f.read()
f.close()
return contents
def MaybeMakeDirectory(self, path):
try:
os.makedirs(path)
except OSError, e:
if e.errno != errno.EEXIST:
raise
def PathJoin(self, *comps):
# This function largely exists so it can be overriden for testing.
return os.path.join(*comps)
def Print(self, *args, **kwargs):
# This function largely exists so it can be overridden for testing.
print(*args, **kwargs)
if kwargs.get('stream', sys.stdout) == sys.stdout:
sys.stdout.flush()
def ReadFile(self, path):
# This function largely exists so it can be overriden for testing.
with open(path) as fp:
return fp.read()
def RelPath(self, path, start='.'):
# This function largely exists so it can be overriden for testing.
return os.path.relpath(path, start)
def RemoveFile(self, path):
# This function largely exists so it can be overriden for testing.
os.remove(path)
def RemoveDirectory(self, abs_path):
if self.platform == 'win32':
# In other places in chromium, we often have to retry this command
# because we're worried about other processes still holding on to
# file handles, but when MB is invoked, it will be early enough in the
# build that their should be no other processes to interfere. We
# can change this if need be.
self.Run(['cmd.exe', '/c', 'rmdir', '/q', '/s', abs_path])
else:
shutil.rmtree(abs_path, ignore_errors=True)
def TempFile(self, mode='w'):
# This function largely exists so it can be overriden for testing.
return tempfile.NamedTemporaryFile(mode=mode, delete=False)
def WriteFile(self, path, contents, force_verbose=False):
# This function largely exists so it can be overriden for testing.
if self.args.dryrun or self.args.verbose or force_verbose:
self.Print('\nWriting """\\\n%s""" to %s.\n' % (contents, path))
with open(path, 'w') as fp:
return fp.write(contents)
class MBErr(Exception):
pass
# See http://goo.gl/l5NPDW and http://goo.gl/4Diozm for the painful
# details of this next section, which handles escaping command lines
# so that they can be copied and pasted into a cmd window.
UNSAFE_FOR_SET = set('^<>&|')
UNSAFE_FOR_CMD = UNSAFE_FOR_SET.union(set('()%'))
ALL_META_CHARS = UNSAFE_FOR_CMD.union(set('"'))
def QuoteForSet(arg):
if any(a in UNSAFE_FOR_SET for a in arg):
arg = ''.join('^' + a if a in UNSAFE_FOR_SET else a for a in arg)
return arg
def QuoteForCmd(arg):
# First, escape the arg so that CommandLineToArgvW will parse it properly.
# From //tools/gyp/pylib/gyp/msvs_emulation.py:23.
if arg == '' or ' ' in arg or '"' in arg:
quote_re = re.compile(r'(\\*)"')
arg = '"%s"' % (quote_re.sub(lambda mo: 2 * mo.group(1) + '\\"', arg))
# Then check to see if the arg contains any metacharacters other than
# double quotes; if it does, quote everything (including the double
# quotes) for safety.
if any(a in UNSAFE_FOR_CMD for a in arg):
arg = ''.join('^' + a if a in ALL_META_CHARS else a for a in arg)
return arg
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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