| #!/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 GN. |
| |
| MB is a wrapper script for GN that can be used to generate build files |
| for sets of canned configurations and analyze them. |
| """ |
| |
| # for py2/py3 compatibility |
| from __future__ import print_function |
| |
| import argparse |
| import ast |
| import errno |
| import json |
| import os |
| import pipes |
| import platform |
| import pprint |
| import re |
| import shutil |
| import sys |
| import subprocess |
| import tempfile |
| import traceback |
| |
| # for py2/py3 compatibility |
| try: |
| from urllib.parse import quote |
| except ImportError: |
| from urllib2 import quote |
| try: |
| from urllib.request import urlopen |
| except ImportError: |
| from urllib2 import urlopen |
| |
| 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 |
| |
| try: |
| cmp # Python 2 |
| except NameError: # Python 3 |
| def cmp(x, y): # pylint: disable=redefined-builtin |
| return (x > y) - (x < y) |
| |
| |
| 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.default_isolate_map = os.path.join(self.chromium_src_dir, 'infra', |
| 'mb', 'gn_isolate_map.pyl') |
| self.executable = sys.executable |
| self.platform = sys.platform |
| self.sep = os.sep |
| self.args = argparse.Namespace() |
| self.configs = {} |
| self.luci_tryservers = {} |
| self.builder_groups = {} |
| self.mixins = {} |
| self.isolate_exe = 'isolate.exe' if self.platform.startswith( |
| 'win') else 'isolate' |
| |
| def Main(self, args): |
| self.ParseArgs(args) |
| try: |
| ret = self.args.func() |
| if ret: |
| self.DumpInputFiles() |
| return ret |
| except KeyboardInterrupt: |
| self.Print('interrupted, exiting') |
| 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', '--builder-group', |
| help='builder group name to look up config from') |
| subp.add_argument('-c', '--config', |
| help='configuration to analyze') |
| subp.add_argument('--phase', |
| help='optional phase name (used when builders ' |
| 'do multiple compiles with different ' |
| 'arguments in a single build)') |
| subp.add_argument('-f', '--config-file', metavar='PATH', |
| default=self.default_config, |
| help='path to config file ' |
| '(default is %(default)s)') |
| subp.add_argument('-i', '--isolate-map-file', metavar='PATH', |
| help='path to isolate map file ' |
| '(default is %(default)s)', |
| default=[], |
| action='append', |
| dest='isolate_map_files') |
| subp.add_argument('-g', '--goma-dir', |
| help='path to goma directory') |
| subp.add_argument('--android-version-code', |
| help='Sets GN arg android_default_version_code') |
| subp.add_argument('--android-version-name', |
| help='Sets GN arg android_default_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.add_argument('--json-output', |
| help='Write errors to json.output') |
| subp.set_defaults(func=self.CmdAnalyze) |
| |
| subp = subps.add_parser('export', |
| help='print out the expanded configuration for' |
| 'each builder as a JSON object') |
| subp.add_argument('-f', '--config-file', metavar='PATH', |
| default=self.default_config, |
| help='path to config file (default is %(default)s)') |
| subp.add_argument('-g', '--goma-dir', |
| help='path to goma directory') |
| subp.set_defaults(func=self.CmdExport) |
| |
| 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('--json-output', |
| help='Write errors to json.output') |
| 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.add_argument('--quiet', default=False, action='store_true', |
| help='Print out just the arguments, ' |
| 'do not emulate the output of the gen subcommand.') |
| subp.add_argument('--recursive', default=False, action='store_true', |
| help='Lookup arguments from imported files, ' |
| 'implies --quiet') |
| 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('-s', '--swarmed', action='store_true', |
| help='Run under swarming with the default dimensions') |
| subp.add_argument('-d', '--dimension', default=[], action='append', nargs=2, |
| dest='dimensions', metavar='FOO bar', |
| help='dimension to filter on') |
| subp.add_argument('--no-default-dimensions', action='store_false', |
| dest='default_dimensions', default=True, |
| help='Do not automatically add dimensions to the task') |
| 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 %(default)s)') |
| subp.set_defaults(func=self.CmdValidate) |
| |
| subp = subps.add_parser('gerrit-buildbucket-config', |
| help='Print buildbucket.config for gerrit ' |
| '(see MB user guide)') |
| subp.add_argument('-f', '--config-file', metavar='PATH', |
| default=self.default_config, |
| help='path to config file (default is %(default)s)') |
| subp.set_defaults(func=self.CmdBuildbucket) |
| |
| 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() |
| return self.RunGNAnalyze(vals) |
| |
| def CmdExport(self): |
| self.ReadConfigFile() |
| obj = {} |
| for builder_group, builders in self.builder_groups.items(): |
| obj[builder_group] = {} |
| for builder in builders: |
| config = self.builder_groups[builder_group][builder] |
| if not config: |
| continue |
| |
| if isinstance(config, dict): |
| args = {k: self.FlattenConfig(v)['gn_args'] |
| for k, v in config.items()} |
| elif config.startswith('//'): |
| args = config |
| else: |
| args = self.FlattenConfig(config)['gn_args'] |
| if 'error' in args: |
| continue |
| |
| obj[builder_group][builder] = args |
| |
| # Dump object and trim trailing whitespace. |
| s = '\n'.join(l.rstrip() for l in |
| json.dumps(obj, sort_keys=True, indent=2).splitlines()) |
| self.Print(s) |
| return 0 |
| |
| def CmdGen(self): |
| vals = self.Lookup() |
| return self.RunGNGen(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 |
| return self.RunGNIsolate() |
| |
| def CmdLookup(self): |
| vals = self.Lookup() |
| gn_args = self.GNArgs(vals, expand_imports=self.args.recursive) |
| if self.args.quiet or self.args.recursive: |
| self.Print(gn_args, end='') |
| else: |
| cmd = self.GNCmd('gen', '_path_') |
| self.Print('\nWriting """\\\n%s""" to _path_/args.gn.\n' % gn_args) |
| env = None |
| |
| 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 self.args.build: |
| ret = self.Build(target) |
| if ret: |
| return ret |
| ret = self.RunGNIsolate() |
| if ret: |
| return ret |
| |
| if self.args.swarmed: |
| return self._RunUnderSwarming(build_dir, target) |
| else: |
| return self._RunLocallyIsolated(build_dir, target) |
| |
| def _RunUnderSwarming(self, build_dir, target): |
| # TODO(dpranke): Look up the information for the target in |
| # the //testing/buildbot.json file, if possible, so that we |
| # can determine the isolate target, command line, and additional |
| # swarming parameters, if possible. |
| # |
| # TODO(dpranke): Also, add support for sharding and merging results. |
| # TODO(liviurau): While this seems to not be used in V8 yet, we need to add |
| # a switch for internal try-bots, since they need to use 'chrome-swarming' |
| cas_instance = 'chromium-swarm' |
| dimensions = [] |
| for k, v in self._DefaultDimensions() + self.args.dimensions: |
| dimensions += ['-d', k, v] |
| |
| archive_json_path = self.ToSrcRelPath( |
| '%s/%s.archive.json' % (build_dir, target)) |
| cmd = [ |
| self.PathJoin(self.chromium_src_dir, 'tools', 'luci-go', |
| self.isolate_exe), |
| 'archive', |
| '-i', |
| self.ToSrcRelPath('%s/%s.isolate' % (build_dir, target)), |
| '-cas-instance', cas_instance, |
| '-dump-json', |
| archive_json_path, |
| ] |
| ret, _, _ = self.Run(cmd, force_verbose=False) |
| if ret: |
| return ret |
| |
| try: |
| archive_hashes = json.loads(self.ReadFile(archive_json_path)) |
| except Exception: |
| self.Print( |
| 'Failed to read JSON file "%s"' % archive_json_path, file=sys.stderr) |
| return 1 |
| try: |
| cas_digest = archive_hashes[target] |
| except Exception: |
| self.Print( |
| 'Cannot find hash for "%s" in "%s", file content: %s' % |
| (target, archive_json_path, archive_hashes), |
| file=sys.stderr) |
| return 1 |
| |
| cmd = [ |
| self.executable, |
| self.PathJoin('tools', 'swarming_client', 'swarming.py'), |
| 'run', |
| '-digests', cas_digest, |
| '-S', 'chromium-swarm.appspot.com', |
| ] + dimensions |
| if self.args.extra_args: |
| cmd += ['--'] + self.args.extra_args |
| ret, _, _ = self.Run(cmd, force_verbose=True, buffer_output=False) |
| return ret |
| |
| def _RunLocallyIsolated(self, build_dir, target): |
| cmd = [ |
| self.PathJoin(self.chromium_src_dir, 'tools', 'luci-go', |
| self.isolate_exe), |
| 'run', |
| '-i', |
| self.ToSrcRelPath('%s/%s.isolate' % (build_dir, target)), |
| ] |
| if self.args.extra_args: |
| cmd += ['--'] + self.args.extra_args |
| ret, _, _ = self.Run(cmd, force_verbose=True, buffer_output=False) |
| return ret |
| |
| def _DefaultDimensions(self): |
| if not self.args.default_dimensions: |
| return [] |
| |
| # This code is naive and just picks reasonable defaults per platform. |
| if self.platform == 'darwin': |
| os_dim = ('os', 'Mac-10.12') |
| elif self.platform.startswith('linux'): |
| os_dim = ('os', 'Ubuntu-16.04') |
| elif self.platform == 'win32': |
| os_dim = ('os', 'Windows-10') |
| else: |
| raise MBErr('unrecognized platform string "%s"' % self.platform) |
| |
| return [('pool', 'Chrome'), |
| ('cpu', 'x86-64'), |
| os_dim] |
| |
| def CmdBuildbucket(self): |
| self.ReadConfigFile() |
| |
| self.Print('# This file was generated using ' |
| '"tools/mb/mb.py gerrit-buildbucket-config".') |
| |
| for luci_tryserver in sorted(self.luci_tryservers): |
| self.Print('[bucket "luci.%s"]' % luci_tryserver) |
| for bot in sorted(self.luci_tryservers[luci_tryserver]): |
| self.Print('\tbuilder = %s' % bot) |
| |
| for builder_group in sorted(self.builder_groups): |
| if builder_group.startswith('tryserver.'): |
| self.Print('[bucket "builder_group.%s"]' % builder_group) |
| for bot in sorted(self.builder_groups[builder_group]): |
| self.Print('\tbuilder = %s' % bot) |
| |
| return 0 |
| |
| 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 builder_group in self.builder_groups: |
| for config in self.builder_groups[builder_group].values(): |
| if isinstance(config, dict): |
| for c in config.values(): |
| all_configs[c] = builder_group |
| else: |
| all_configs[config] = builder_group |
| |
| # 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 GetConfig(self): |
| build_dir = self.args.path[0] |
| |
| vals = self.DefaultVals() |
| if self.args.builder or self.args.builder_group or self.args.config: |
| vals = self.Lookup() |
| # Re-run gn gen in order to ensure the config is consistent with the |
| # build dir. |
| self.RunGNGen(vals) |
| return vals |
| |
| 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 {} |
| |
| vals['gn_args'] = self.GNArgsFromDir(build_dir) |
| return vals |
| |
| def GNArgsFromDir(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 ' '.join(gn_args) |
| |
| def Lookup(self): |
| vals = self.ReadIOSBotConfig() |
| 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 = self.DefaultVals() |
| vals['args_file'] = config |
| else: |
| if not config in self.configs: |
| raise MBErr('Config "%s" not found in %s' % |
| (config, self.args.config_file)) |
| vals = self.FlattenConfig(config) |
| return vals |
| |
| def ReadIOSBotConfig(self): |
| if not self.args.builder_group or not self.args.builder: |
| return {} |
| path = self.PathJoin(self.chromium_src_dir, 'ios', 'build', 'bots', |
| self.args.builder_group, self.args.builder + '.json') |
| if not self.Exists(path): |
| return {} |
| |
| contents = json.loads(self.ReadFile(path)) |
| gn_args = ' '.join(contents.get('gn_args', [])) |
| |
| vals = self.DefaultVals() |
| vals['gn_args'] = gn_args |
| return vals |
| |
| 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.luci_tryservers = contents.get('luci_tryservers', {}) |
| self.builder_groups = contents['builder_groups'] |
| self.mixins = contents['mixins'] |
| |
| def ReadIsolateMap(self): |
| if not self.args.isolate_map_files: |
| self.args.isolate_map_files = [self.default_isolate_map] |
| |
| for f in self.args.isolate_map_files: |
| if not self.Exists(f): |
| raise MBErr('isolate map file not found at %s' % f) |
| isolate_maps = {} |
| for isolate_map in self.args.isolate_map_files: |
| try: |
| isolate_map = ast.literal_eval(self.ReadFile(isolate_map)) |
| duplicates = set(isolate_map).intersection(isolate_maps) |
| if duplicates: |
| raise MBErr( |
| 'Duplicate targets in isolate map files: %s.' % |
| ', '.join(duplicates)) |
| isolate_maps.update(isolate_map) |
| except SyntaxError as e: |
| raise MBErr( |
| 'Failed to parse isolate map file "%s": %s' % (isolate_map, e)) |
| return isolate_maps |
| |
| def ConfigFromArgs(self): |
| if self.args.config: |
| if self.args.builder_group or self.args.builder: |
| raise MBErr( |
| 'Can not specific both -c/--config and -m/--builder-group or ' |
| '-b/--builder') |
| |
| return self.args.config |
| |
| if not self.args.builder_group or not self.args.builder: |
| raise MBErr('Must specify either -c/--config or ' |
| '(-m/--builder-group and -b/--builder)') |
| |
| if not self.args.builder_group in self.builder_groups: |
| raise MBErr('Builder groups name "%s" not found in "%s"' % |
| (self.args.builder_group, self.args.config_file)) |
| |
| if not self.args.builder in self.builder_groups[self.args.builder_group]: |
| raise MBErr( |
| 'Builder name "%s" not found under builder_groups[%s] in "%s"' % |
| (self.args.builder, self.args.builder_group, self.args.config_file)) |
| |
| config = self.builder_groups[self.args.builder_group][self.args.builder] |
| if isinstance(config, dict): |
| if self.args.phase is None: |
| raise MBErr('Must specify a build --phase for %s on %s' % |
| (self.args.builder, self.args.builder_group)) |
| phase = str(self.args.phase) |
| if phase not in config: |
| raise MBErr('Phase %s doesn\'t exist for %s on %s' % |
| (phase, self.args.builder, self.args.builder_group)) |
| return config[phase] |
| |
| if self.args.phase is not None: |
| raise MBErr('Must not specify a build --phase for %s on %s' % |
| (self.args.builder, self.args.builder_group)) |
| return config |
| |
| def FlattenConfig(self, config): |
| mixins = self.configs[config] |
| vals = self.DefaultVals() |
| |
| visited = [] |
| self.FlattenMixins(mixins, vals, visited) |
| return vals |
| |
| def DefaultVals(self): |
| return { |
| 'args_file': '', |
| 'cros_passthrough': False, |
| 'gn_args': '', |
| } |
| |
| 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 'args_file' in mixin_vals: |
| if vals['args_file']: |
| raise MBErr('args_file specified multiple times in mixins ' |
| 'for %s on %s' % |
| (self.args.builder, self.args.builder_group)) |
| vals['args_file'] = mixin_vals['args_file'] |
| 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 'mixins' in mixin_vals: |
| self.FlattenMixins(mixin_vals['mixins'], vals, visited) |
| return vals |
| |
| def RunGNGen(self, vals, compute_grit_inputs_for_analyze=False): |
| build_dir = self.args.path[0] |
| |
| cmd = self.GNCmd('gen', build_dir, '--check') |
| gn_args = self.GNArgs(vals) |
| if compute_grit_inputs_for_analyze: |
| gn_args += ' compute_grit_inputs_for_analyze=true' |
| |
| # 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 gn_isolate_map.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()) |
| |
| isolate_map = self.ReadIsolateMap() |
| err, labels = self.MapTargetsToLabels(isolate_map, swarming_targets) |
| if err: |
| raise MBErr(err) |
| |
| gn_runtime_deps_path = self.ToAbsPath(build_dir, 'runtime_deps') |
| self.WriteFile(gn_runtime_deps_path, '\n'.join(labels) + '\n') |
| cmd.append('--runtime-deps-list-file=%s' % gn_runtime_deps_path) |
| |
| ret, output, _ = self.Run(cmd) |
| if ret: |
| if self.args.json_output: |
| # write errors to json.output |
| self.WriteJSON({'output': output}, self.args.json_output) |
| # 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. |
| label = isolate_map[target]['label'] |
| runtime_deps_targets = [ |
| target + '.runtime_deps', |
| 'obj/%s.stamp.runtime_deps' % label.replace(':', '/')] |
| elif (isolate_map[target]['type'] == 'script' or |
| 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, but it may |
| # also be an executable. |
| label = isolate_map[target]['label'] |
| runtime_deps_targets = [ |
| 'obj/%s.stamp.runtime_deps' % label.replace(':', '/')] |
| if self.platform == 'win32': |
| runtime_deps_targets += [ target + '.exe.runtime_deps' ] |
| else: |
| runtime_deps_targets += [ target + '.runtime_deps' ] |
| 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)) |
| |
| runtime_deps = self.ReadFile(runtime_deps_path).splitlines() |
| |
| self.WriteIsolateFiles(build_dir, target, runtime_deps) |
| |
| return 0 |
| |
| def RunGNIsolate(self): |
| target = self.args.target[0] |
| isolate_map = self.ReadIsolateMap() |
| err, labels = self.MapTargetsToLabels(isolate_map, [target]) |
| if err: |
| raise MBErr(err) |
| label = labels[0] |
| |
| build_dir = self.args.path[0] |
| |
| 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, target, runtime_deps) |
| |
| ret, _, _ = self.Run([ |
| self.PathJoin(self.chromium_src_dir, 'tools', 'luci-go', |
| self.isolate_exe), |
| 'check', |
| '-i', |
| self.ToSrcRelPath('%s/%s.isolate' % (build_dir, target))], |
| buffer_output=False) |
| |
| return ret |
| |
| def WriteIsolateFiles(self, build_dir, target, runtime_deps): |
| isolate_path = self.ToAbsPath(build_dir, target + '.isolate') |
| self.WriteFile(isolate_path, |
| pprint.pformat({ |
| 'variables': { |
| 'files': sorted(runtime_deps), |
| } |
| }) + '\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 MapTargetsToLabels(self, isolate_map, targets): |
| labels = [] |
| err = '' |
| |
| for target in targets: |
| if target == 'all': |
| labels.append(target) |
| elif target.startswith('//'): |
| labels.append(target) |
| else: |
| if target in isolate_map: |
| if isolate_map[target]['type'] == 'unknown': |
| err += ('test target "%s" type is unknown\n' % target) |
| else: |
| labels.append(isolate_map[target]['label']) |
| else: |
| err += ('target "%s" not found in ' |
| '//infra/mb/gn_isolate_map.pyl\n' % target) |
| |
| return err, labels |
| |
| def GNCmd(self, subcommand, path, *args): |
| if self.platform.startswith('linux'): |
| subdir, exe = 'linux64', 'gn' |
| elif self.platform == 'darwin': |
| subdir, exe = 'mac', 'gn' |
| else: |
| subdir, exe = 'win', 'gn.exe' |
| |
| arch = platform.machine() |
| if (arch.startswith('s390') or arch.startswith('ppc') or |
| self.platform.startswith('aix')): |
| # use gn in PATH |
| gn_path = 'gn' |
| else: |
| gn_path = self.PathJoin(self.chromium_src_dir, 'buildtools', subdir, exe) |
| return [gn_path, subcommand, path] + list(args) |
| |
| |
| def GNArgs(self, vals, expand_imports=False): |
| 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 |
| |
| args_gn_lines = [] |
| parsed_gn_args = {} |
| |
| args_file = vals.get('args_file', None) |
| if args_file: |
| if expand_imports: |
| content = self.ReadFile(self.ToAbsPath(args_file)) |
| parsed_gn_args = gn_helpers.FromGNArgs(content) |
| else: |
| args_gn_lines.append('import("%s")' % args_file) |
| |
| # 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. |
| parsed_gn_args.update(gn_helpers.FromGNArgs(gn_args)) |
| args_gn_lines.append(gn_helpers.ToGNString(parsed_gn_args)) |
| |
| return '\n'.join(args_gn_lines) |
| |
| 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 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, compute_grit_inputs_for_analyze=True) |
| if ret: |
| return ret |
| |
| build_path = self.args.path[0] |
| input_path = self.args.input_path[0] |
| gn_input_path = input_path + '.gn' |
| output_path = self.args.output_path[0] |
| gn_output_path = output_path + '.gn' |
| |
| inp = self.ReadInputJSON(['files', 'test_targets', |
| 'additional_compile_targets']) |
| if self.args.verbose: |
| self.Print() |
| self.Print('analyze input:') |
| self.PrintJSON(inp) |
| self.Print() |
| |
| |
| # 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 |
| |
| gn_inp = {} |
| gn_inp['files'] = ['//' + f for f in inp['files'] if not f.startswith('//')] |
| |
| isolate_map = self.ReadIsolateMap() |
| err, gn_inp['additional_compile_targets'] = self.MapTargetsToLabels( |
| isolate_map, inp['additional_compile_targets']) |
| if err: |
| raise MBErr(err) |
| |
| err, gn_inp['test_targets'] = self.MapTargetsToLabels( |
| isolate_map, inp['test_targets']) |
| if err: |
| raise MBErr(err) |
| labels_to_targets = {} |
| for i, label in enumerate(gn_inp['test_targets']): |
| labels_to_targets[label] = inp['test_targets'][i] |
| |
| try: |
| self.WriteJSON(gn_inp, gn_input_path) |
| cmd = self.GNCmd('analyze', build_path, gn_input_path, gn_output_path) |
| ret, output, _ = self.Run(cmd, force_verbose=True) |
| if ret: |
| if self.args.json_output: |
| # write errors to json.output |
| self.WriteJSON({'output': output}, self.args.json_output) |
| return ret |
| |
| gn_outp_str = self.ReadFile(gn_output_path) |
| try: |
| gn_outp = json.loads(gn_outp_str) |
| except Exception as e: |
| self.Print("Failed to parse the JSON string GN returned: %s\n%s" |
| % (repr(gn_outp_str), str(e))) |
| raise |
| |
| outp = {} |
| if 'status' in gn_outp: |
| outp['status'] = gn_outp['status'] |
| if 'error' in gn_outp: |
| outp['error'] = gn_outp['error'] |
| if 'invalid_targets' in gn_outp: |
| outp['invalid_targets'] = gn_outp['invalid_targets'] |
| if 'compile_targets' in gn_outp: |
| all_input_compile_targets = sorted( |
| set(inp['test_targets'] + inp['additional_compile_targets'])) |
| |
| # If we're building 'all', we can throw away the rest of the targets |
| # since they're redundant. |
| if 'all' in gn_outp['compile_targets']: |
| outp['compile_targets'] = ['all'] |
| else: |
| outp['compile_targets'] = gn_outp['compile_targets'] |
| |
| # crbug.com/736215: When GN returns targets back, for targets in |
| # the default toolchain, GN will have generated a phony ninja |
| # target matching the label, and so we can safely (and easily) |
| # transform any GN label into the matching ninja target. For |
| # targets in other toolchains, though, GN doesn't generate the |
| # phony targets, and we don't know how to turn the labels into |
| # compile targets. In this case, we also conservatively give up |
| # and build everything. Probably the right thing to do here is |
| # to have GN return the compile targets directly. |
| if any("(" in target for target in outp['compile_targets']): |
| self.Print('WARNING: targets with non-default toolchains were ' |
| 'found, building everything instead.') |
| outp['compile_targets'] = all_input_compile_targets |
| else: |
| outp['compile_targets'] = [ |
| label.replace('//', '') for label in outp['compile_targets']] |
| |
| # Windows has a maximum command line length of 8k; even Linux |
| # maxes out at 128k; if analyze returns a *really long* list of |
| # targets, we just give up and conservatively build everything instead. |
| # Probably the right thing here is for ninja to support response |
| # files as input on the command line |
| # (see https://github.com/ninja-build/ninja/issues/1355). |
| if len(' '.join(outp['compile_targets'])) > 7*1024: |
| self.Print('WARNING: Too many compile targets were affected.') |
| self.Print('WARNING: Building everything instead to avoid ' |
| 'command-line length issues.') |
| outp['compile_targets'] = all_input_compile_targets |
| |
| |
| if 'test_targets' in gn_outp: |
| outp['test_targets'] = [ |
| labels_to_targets[label] for label in gn_outp['test_targets']] |
| |
| if self.args.verbose: |
| self.Print() |
| self.Print('analyze output:') |
| self.PrintJSON(outp) |
| self.Print() |
| |
| self.WriteJSON(outp, output_path) |
| |
| finally: |
| if self.Exists(gn_input_path): |
| self.RemoveFile(gn_input_path) |
| if self.Exists(gn_output_path): |
| self.RemoveFile(gn_output_path) |
| |
| 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, builder_group, builder): |
| url_template = self.args.url_template + '/{builder}/builds/_all?as_text=1' |
| url = quote( |
| url_template.format(builder_group=builder_group, 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('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 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 = urlopen(url) |
| contents = f.read() |
| f.close() |
| return contents |
| |
| def MaybeMakeDirectory(self, path): |
| try: |
| os.makedirs(path) |
| except OSError as 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. |
| 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:])) |
