| # Copyright (c) 2013 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Module containing the build stages.""" |
| |
| import functools |
| import glob |
| import os |
| |
| from chromite.cbuildbot import cbuildbot_commands as commands |
| from chromite.cbuildbot import cbuildbot_failures as failures_lib |
| from chromite.cbuildbot import constants |
| from chromite.cbuildbot import portage_utilities |
| from chromite.cbuildbot import repository |
| from chromite.cbuildbot.stages import generic_stages |
| from chromite.cbuildbot.stages import test_stages |
| from chromite.lib import cros_build_lib |
| from chromite.lib import git |
| from chromite.lib import osutils |
| from chromite.lib import parallel |
| |
| |
| class CleanUpStage(generic_stages.BuilderStage): |
| """Stages that cleans up build artifacts from previous runs. |
| |
| This stage cleans up previous KVM state, temporary git commits, |
| clobbers, and wipes tmp inside the chroot. |
| """ |
| |
| option_name = 'clean' |
| |
| def _CleanChroot(self): |
| commands.CleanupChromeKeywordsFile(self._boards, |
| self._build_root) |
| chroot_tmpdir = os.path.join(self._build_root, constants.DEFAULT_CHROOT_DIR, |
| 'tmp') |
| if os.path.exists(chroot_tmpdir): |
| cros_build_lib.SudoRunCommand(['rm', '-rf', chroot_tmpdir], |
| print_cmd=False) |
| cros_build_lib.SudoRunCommand(['mkdir', '--mode', '1777', chroot_tmpdir], |
| print_cmd=False) |
| |
| def _DeleteChroot(self): |
| chroot = os.path.join(self._build_root, constants.DEFAULT_CHROOT_DIR) |
| if os.path.exists(chroot): |
| # At this stage, it's not safe to run the cros_sdk inside the buildroot |
| # itself because we haven't sync'd yet, and the version of the chromite |
| # in there might be broken. Since we've already unmounted everything in |
| # there, we can just remove it using rm -rf. |
| osutils.RmDir(chroot, ignore_missing=True, sudo=True) |
| |
| def _DeleteArchivedTrybotImages(self): |
| """Clear all previous archive images to save space.""" |
| for trybot in (False, True): |
| archive_root = self._run.GetArchive().GetLocalArchiveRoot(trybot=trybot) |
| osutils.RmDir(archive_root, ignore_missing=True) |
| |
| def _DeleteArchivedPerfResults(self): |
| """Clear any previously stashed perf results from hw testing.""" |
| for result in glob.glob(os.path.join( |
| self._run.options.log_dir, |
| '*.%s' % test_stages.HWTestStage.PERF_RESULTS_EXTENSION)): |
| os.remove(result) |
| |
| def _DeleteChromeBuildOutput(self): |
| chrome_src = os.path.join(self._run.options.chrome_root, 'src') |
| for out_dir in glob.glob(os.path.join(chrome_src, 'out_*')): |
| osutils.RmDir(out_dir) |
| |
| def PerformStage(self): |
| if (not (self._run.options.buildbot or self._run.options.remote_trybot) |
| and self._run.options.clobber): |
| if not commands.ValidateClobber(self._build_root): |
| cros_build_lib.Die("--clobber in local mode must be approved.") |
| |
| # If we can't get a manifest out of it, then it's not usable and must be |
| # clobbered. |
| manifest = None |
| if not self._run.options.clobber: |
| try: |
| manifest = git.ManifestCheckout.Cached(self._build_root, search=False) |
| except (KeyboardInterrupt, MemoryError, SystemExit): |
| raise |
| except Exception as e: |
| # Either there is no repo there, or the manifest isn't usable. If the |
| # directory exists, log the exception for debugging reasons. Either |
| # way, the checkout needs to be wiped since it's in an unknown |
| # state. |
| if os.path.exists(self._build_root): |
| cros_build_lib.Warning("ManifestCheckout at %s is unusable: %s", |
| self._build_root, e) |
| |
| # Clean mount points first to be safe about deleting. |
| commands.CleanUpMountPoints(self._build_root) |
| |
| if manifest is None: |
| self._DeleteChroot() |
| repository.ClearBuildRoot(self._build_root, |
| self._run.options.preserve_paths) |
| else: |
| tasks = [functools.partial(commands.BuildRootGitCleanup, |
| self._build_root), |
| functools.partial(commands.WipeOldOutput, self._build_root), |
| self._DeleteArchivedTrybotImages, |
| self._DeleteArchivedPerfResults] |
| if self._run.options.chrome_root: |
| tasks.append(self._DeleteChromeBuildOutput) |
| if self._run.config.chroot_replace and self._run.options.build: |
| tasks.append(self._DeleteChroot) |
| else: |
| tasks.append(self._CleanChroot) |
| parallel.RunParallelSteps(tasks) |
| |
| |
| class InitSDKStage(generic_stages.BuilderStage): |
| """Stage that is responsible for initializing the SDK.""" |
| |
| option_name = 'build' |
| |
| def __init__(self, builder_run, chroot_replace=False, **kwargs): |
| """InitSDK constructor. |
| |
| Args: |
| builder_run: Builder run instance for this run. |
| chroot_replace: If True, force the chroot to be replaced. |
| """ |
| super(InitSDKStage, self).__init__(builder_run, **kwargs) |
| self.force_chroot_replace = chroot_replace |
| |
| def PerformStage(self): |
| chroot_path = os.path.join(self._build_root, constants.DEFAULT_CHROOT_DIR) |
| replace = self._run.config.chroot_replace or self.force_chroot_replace |
| pre_ver = post_ver = None |
| if os.path.isdir(self._build_root) and not replace: |
| try: |
| pre_ver = cros_build_lib.GetChrootVersion(chroot=chroot_path) |
| commands.RunChrootUpgradeHooks(self._build_root) |
| except failures_lib.BuildScriptFailure: |
| cros_build_lib.PrintBuildbotStepText('Replacing broken chroot') |
| cros_build_lib.PrintBuildbotStepWarnings() |
| replace = True |
| |
| if not os.path.isdir(chroot_path) or replace: |
| use_sdk = (self._run.config.use_sdk and not self._run.options.nosdk) |
| pre_ver = None |
| commands.MakeChroot( |
| buildroot=self._build_root, |
| replace=replace, |
| use_sdk=use_sdk, |
| chrome_root=self._run.options.chrome_root, |
| extra_env=self._portage_extra_env) |
| |
| post_ver = cros_build_lib.GetChrootVersion(chroot=chroot_path) |
| if pre_ver is not None and pre_ver != post_ver: |
| cros_build_lib.PrintBuildbotStepText('%s->%s' % (pre_ver, post_ver)) |
| else: |
| cros_build_lib.PrintBuildbotStepText(post_ver) |
| |
| commands.SetSharedUserPassword( |
| self._build_root, |
| password=self._run.config.shared_user_password) |
| |
| |
| class SetupBoardStage(generic_stages.BoardSpecificBuilderStage, InitSDKStage): |
| """Stage that is responsible for building host pkgs and setting up a board.""" |
| |
| option_name = 'build' |
| |
| def PerformStage(self): |
| # Calculate whether we should use binary packages. |
| usepkg = (self._run.config.usepkg_setup_board and |
| not self._latest_toolchain) |
| |
| # We need to run chroot updates on most builders because they uprev after |
| # the InitSDK stage. For the SDK builder, we can skip updates because uprev |
| # is run prior to InitSDK. This is not just an optimization: It helps |
| # workaround http://crbug.com/225509 |
| chroot_upgrade = ( |
| self._run.config.build_type != constants.CHROOT_BUILDER_TYPE) |
| |
| # Iterate through boards to setup. |
| chroot_path = os.path.join(self._build_root, constants.DEFAULT_CHROOT_DIR) |
| |
| # Only update the board if we need to do so. |
| board_path = os.path.join(chroot_path, 'build', self._current_board) |
| if not os.path.isdir(board_path) or chroot_upgrade: |
| commands.SetupBoard( |
| self._build_root, board=self._current_board, usepkg=usepkg, |
| chrome_binhost_only=self._run.config.chrome_binhost_only, |
| force=self._run.config.board_replace, |
| extra_env=self._portage_extra_env, chroot_upgrade=chroot_upgrade, |
| profile=self._run.options.profile or self._run.config.profile) |
| |
| |
| class BuildPackagesStage(generic_stages.BoardSpecificBuilderStage, |
| generic_stages.ArchivingStageMixin): |
| """Build Chromium OS packages.""" |
| |
| option_name = 'build' |
| def __init__(self, builder_run, board, pgo_generate=False, pgo_use=False, |
| **kwargs): |
| super(BuildPackagesStage, self).__init__(builder_run, board, **kwargs) |
| self._pgo_generate, self._pgo_use = pgo_generate, pgo_use |
| assert not pgo_generate or not pgo_use |
| |
| useflags = self._run.config.useflags[:] |
| if pgo_generate: |
| self.name += ' [%s]' % constants.USE_PGO_GENERATE |
| useflags.append(constants.USE_PGO_GENERATE) |
| elif pgo_use: |
| self.name += ' [%s]' % constants.USE_PGO_USE |
| useflags.append(constants.USE_PGO_USE) |
| |
| if useflags: |
| if 'USE' in self._portage_extra_env: |
| self._portage_extra_env['USE'] += ' ' + ' '.join(useflags) |
| else: |
| self._portage_extra_env['USE'] = ' '.join(useflags) |
| |
| def _GetArchitectures(self): |
| """Get the list of architectures built by this builder.""" |
| return set(self._GetPortageEnvVar('ARCH', b) for b in self._boards) |
| |
| def PerformStage(self): |
| # Wait for PGO data to be ready if needed. |
| if self._pgo_use: |
| cpv = portage_utilities.BestVisible(constants.CHROME_CP, |
| buildroot=self._build_root) |
| commands.WaitForPGOData(self._GetArchitectures(), cpv) |
| |
| # If we have rietveld patches, always compile Chrome from source. |
| noworkon = not self._run.options.rietveld_patches |
| |
| commands.Build(self._build_root, |
| self._current_board, |
| build_autotest=self._run.ShouldBuildAutotest(), |
| usepkg=self._run.config.usepkg_build_packages, |
| chrome_binhost_only=self._run.config.chrome_binhost_only, |
| packages=self._run.config.packages, |
| skip_chroot_upgrade=True, |
| chrome_root=self._run.options.chrome_root, |
| noworkon=noworkon, |
| extra_env=self._portage_extra_env) |
| |
| |
| class BuildImageStage(BuildPackagesStage): |
| """Build standard Chromium OS images.""" |
| |
| option_name = 'build' |
| config_name = 'images' |
| |
| def _BuildImages(self): |
| # We only build base, dev, and test images from this stage. |
| if self._pgo_generate: |
| images_can_build = set(['test']) |
| else: |
| images_can_build = set(['base', 'dev', 'test']) |
| images_to_build = set(self._run.config.images).intersection( |
| images_can_build) |
| |
| version = self._run.attrs.release_tag |
| disk_layout = self._run.config.disk_layout |
| if self._pgo_generate: |
| disk_layout = constants.PGO_GENERATE_DISK_LAYOUT |
| if version: |
| version = '%s-pgo-generate' % version |
| |
| rootfs_verification = self._run.config.rootfs_verification |
| commands.BuildImage(self._build_root, |
| self._current_board, |
| sorted(images_to_build), |
| rootfs_verification=rootfs_verification, |
| version=version, |
| disk_layout=disk_layout, |
| extra_env=self._portage_extra_env) |
| |
| # Update link to latest image. |
| latest_image = os.readlink(self.GetImageDirSymlink('latest')) |
| cbuildbot_image_link = self.GetImageDirSymlink() |
| if os.path.lexists(cbuildbot_image_link): |
| os.remove(cbuildbot_image_link) |
| |
| os.symlink(latest_image, cbuildbot_image_link) |
| |
| self.board_runattrs.SetParallel('images_generated', True) |
| |
| parallel.RunParallelSteps( |
| [self._BuildVMImage, lambda: self._GenerateAuZip(cbuildbot_image_link)]) |
| |
| def _BuildVMImage(self): |
| if self._run.config.vm_tests and not self._pgo_generate: |
| commands.BuildVMImageForTesting( |
| self._build_root, |
| self._current_board, |
| disk_layout=self._run.config.disk_vm_layout, |
| extra_env=self._portage_extra_env) |
| |
| def _GenerateAuZip(self, image_dir): |
| """Create au-generator.zip.""" |
| if not self._pgo_generate: |
| commands.GenerateAuZip(self._build_root, |
| image_dir, |
| extra_env=self._portage_extra_env) |
| |
| def _HandleStageException(self, exc_info): |
| """Tell other stages to not wait on us if we die for some reason.""" |
| self.board_runattrs.SetParallelDefault('images_generated', False) |
| return super(BuildImageStage, self)._HandleStageException(exc_info) |
| |
| def PerformStage(self): |
| self._BuildImages() |
| |
| |
| class UprevStage(generic_stages.BuilderStage): |
| """Stage that uprevs Chromium OS packages that the builder intends to |
| validate. |
| """ |
| |
| config_name = 'uprev' |
| option_name = 'uprev' |
| |
| def __init__(self, builder_run, boards=None, enter_chroot=True, **kwargs): |
| super(UprevStage, self).__init__(builder_run, **kwargs) |
| self._enter_chroot = enter_chroot |
| if boards is not None: |
| self._boards = boards |
| |
| def PerformStage(self): |
| # Perform other uprevs. |
| overlays, _ = self._ExtractOverlays() |
| commands.UprevPackages(self._build_root, |
| self._boards, |
| overlays, |
| enter_chroot=self._enter_chroot) |
