| #!/usr/bin/python |
| # Copyright (c) 2012 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. |
| |
| """A library to generate and store the manifests for cros builders to use.""" |
| |
| import logging |
| import os |
| import re |
| import tempfile |
| import time |
| from xml.dom import minidom |
| |
| from chromite.buildbot import cbuildbot_config |
| from chromite.buildbot import constants |
| from chromite.buildbot import manifest_version |
| from chromite.lib import cros_build_lib |
| from chromite.lib import git |
| |
| |
| # Paladin constants for manifest names. |
| PALADIN_COMMIT_ELEMENT = 'pending_commit' |
| PALADIN_REMOTE_ATTR = 'remote' |
| PALADIN_GERRIT_NUMBER_ATTR = 'gerrit_number' |
| PALADIN_PROJECT_ATTR = 'project' |
| PALADIN_BRANCH_ATTR = 'branch' |
| PALADIN_PROJECT_URL_ATTR = 'project_url' |
| PALADIN_REF_ATTR = 'ref' |
| PALADIN_CHANGE_ID_ATTR = 'change_id' |
| PALADIN_COMMIT_ATTR = 'commit' |
| PALADIN_PATCH_NUMBER_ATTR = 'patch_number' |
| PALADIN_OWNER_EMAIL_ATTR = 'owner_email' |
| PALADIN_FAIL_COUNT_ATTR = 'fail_count' |
| PALADIN_PASS_COUNT_ATTR = 'pass_count' |
| PALADIN_TOTAL_FAIL_COUNT_ATTR = 'total_fail_count' |
| |
| |
| MANIFEST_ELEMENT = 'manifest' |
| DEFAULT_ELEMENT = 'default' |
| PROJECT_ELEMENT = 'project' |
| PROJECT_NAME_ATTR = 'name' |
| PROJECT_REMOTE_ATTR = 'remote' |
| |
| |
| class PromoteCandidateException(Exception): |
| """Exception thrown for failure to promote manifest candidate.""" |
| |
| |
| class FilterManifestException(Exception): |
| """Exception thrown when failing to filter the internal manifest.""" |
| |
| |
| class _LKGMCandidateInfo(manifest_version.VersionInfo): |
| """Class to encapsualte the chrome os lkgm candidate info |
| |
| You can instantiate this class in two ways. |
| 1)using a version file, specifically chromeos_version.sh, |
| which contains the version information. |
| 2) just passing in the 4 version components (major, minor, sp, patch and |
| revision number), |
| Args: |
| You can instantiate this class in two ways. |
| 1)using a version file, specifically chromeos_version.sh, |
| which contains the version information. |
| 2) passing in a string with the 3 version components + revision e.g. 41.0.0-r1 |
| Args: |
| version_string: Optional 3 component version string to parse. Contains: |
| build_number: release build number. |
| branch_build_number: current build number on a branch. |
| patch_number: patch number. |
| revision_number: version revision |
| chrome_branch: If version_string specified, specify chrome_branch i.e. 13. |
| version_file: version file location. |
| """ |
| LKGM_RE = r'(\d+\.\d+\.\d+)(?:-rc(\d+))?' |
| |
| def __init__(self, version_string=None, chrome_branch=None, incr_type=None, |
| version_file=None): |
| self.revision_number = 1 |
| if version_string: |
| match = re.search(self.LKGM_RE, version_string) |
| assert match, 'LKGM did not re %s' % self.LKGM_RE |
| super(_LKGMCandidateInfo, self).__init__(match.group(1), chrome_branch, |
| incr_type=incr_type) |
| if match.group(2): |
| self.revision_number = int(match.group(2)) |
| |
| else: |
| super(_LKGMCandidateInfo, self).__init__(version_file=version_file, |
| incr_type=incr_type) |
| |
| def VersionString(self): |
| """returns the full version string of the lkgm candidate""" |
| return '%s.%s.%s-rc%s' % (self.build_number, self.branch_build_number, |
| self.patch_number, self.revision_number) |
| |
| @classmethod |
| def VersionCompare(cls, version_string): |
| """Useful method to return a comparable version of a LKGM string.""" |
| lkgm = cls(version_string) |
| return map(int, [lkgm.build_number, lkgm.branch_build_number, |
| lkgm.patch_number, lkgm.revision_number]) |
| |
| def IncrementVersion(self): |
| """Increments the version by incrementing the revision #.""" |
| self.revision_number += 1 |
| return self.VersionString() |
| |
| def UpdateVersionFile(self, *args, **kwargs): |
| """Update the version file on disk. |
| |
| For LKGMCandidateInfo there is no version file so this function is a no-op. |
| """ |
| |
| |
| class LKGMManager(manifest_version.BuildSpecsManager): |
| """A Class to manage lkgm candidates and their states. |
| |
| Vars: |
| lkgm_subdir: Subdirectory within manifest repo to store candidates. |
| """ |
| # Max timeout before assuming other builders have failed. |
| LONG_MAX_TIMEOUT_SECONDS = 1200 |
| |
| # Max timeout before assuming other builders have failed for Chrome PFQ. |
| # Longer as there is little to lose for Chrome PFQ waiting and arm |
| # has been slower often. |
| CHROME_LONG_MAX_TIMEOUT_SECONDS = 3 * 60 * 60 |
| # Max timeout before assuming other builders have failed. |
| MAX_TIMEOUT_SECONDS = 300 |
| # Polling timeout for checking git repo for other build statuses. |
| SLEEP_TIMEOUT = constants.SLEEP_TIMEOUT |
| |
| # Sub-directories for LKGM and Chrome LKGM's. |
| LKGM_SUBDIR = 'LKGM-candidates' |
| CHROME_PFQ_SUBDIR = 'chrome-LKGM-candidates' |
| COMMIT_QUEUE_SUBDIR = 'paladin' |
| |
| # Set path in repository to keep latest approved LKGM manifest. |
| LKGM_PATH = 'LKGM/lkgm.xml' |
| |
| def __init__(self, source_repo, manifest_repo, build_names, build_type, |
| incr_type, force, branch, manifest=constants.DEFAULT_MANIFEST, |
| dry_run=True, master=False): |
| """Initialize an LKGM Manager. |
| |
| Args: |
| source_repo: Repository object for the source code. |
| manifest_repo: Manifest repository for manifest versions/buildspecs. |
| build_names: Identifiers for the build. Must match cbuildbot_config |
| entries. If multiple identifiers are provided, the first item in the |
| list must be an identifier for the group. |
| build_type: Type of build. Must be a pfq type. |
| incr_type: How we should increment this version - build|branch|patch |
| force: Create a new manifest even if there are no changes. |
| branch: Branch this builder is running on. |
| manifest: Manifest to use for checkout. E.g. 'full' or 'buildtools'. |
| dry_run: Whether we actually commit changes we make or not. |
| master: Whether we are the master builder. |
| """ |
| super(LKGMManager, self).__init__( |
| source_repo=source_repo, manifest_repo=manifest_repo, |
| manifest=manifest, build_names=build_names, incr_type=incr_type, |
| force=force, branch=branch, dry_run=dry_run, master=master) |
| |
| self.lkgm_path = os.path.join(self.manifest_dir, self.LKGM_PATH) |
| self.compare_versions_fn = _LKGMCandidateInfo.VersionCompare |
| self.build_type = build_type |
| # Chrome PFQ and PFQ's exist at the same time and version separately so they |
| # must have separate subdirs in the manifest-versions repository. |
| if self.build_type == constants.CHROME_PFQ_TYPE: |
| self.rel_working_dir = self.CHROME_PFQ_SUBDIR |
| elif cbuildbot_config.IsCQType(self.build_type): |
| self.rel_working_dir = self.COMMIT_QUEUE_SUBDIR |
| else: |
| assert cbuildbot_config.IsPFQType(self.build_type) |
| self.rel_working_dir = self.LKGM_SUBDIR |
| |
| def _GetMaxLongTimeout(self): |
| """Get the long "max timeout" for this builder. |
| |
| Returns: |
| Timeout in seconds. |
| """ |
| if self.build_type == constants.PFQ_TYPE: |
| return self.LONG_MAX_TIMEOUT_SECONDS |
| else: |
| return self.CHROME_LONG_MAX_TIMEOUT_SECONDS |
| |
| def _RunLambdaWithTimeout(self, function_to_run, max_timeout): |
| """Runs function_to_run until it returns a value or timeout is reached. |
| |
| function_to_run is called with one argument equal to the number of seconds |
| left until timing out. |
| |
| Args: |
| function_to_run: Function to run until it returns a value or the timeout |
| is reached. |
| max_timeout: Time to wait for function_to_run to return a value. |
| use_long_timeout: Adjusts the timeout to use. See logic below. |
| """ |
| function_success = False |
| start_time = time.time() |
| |
| # Monitor the repo until all builders report in or we've waited too long. |
| seconds_left = max_timeout - (time.time() - start_time) |
| while seconds_left > 0: |
| function_success = function_to_run(seconds_left) |
| if function_success: |
| break |
| else: |
| time.sleep(self.SLEEP_TIMEOUT) |
| |
| seconds_left = max_timeout - (time.time() - start_time) |
| |
| return function_success |
| |
| def GetCurrentVersionInfo(self): |
| """Returns the lkgm version info from the version file.""" |
| version_info = super(LKGMManager, self).GetCurrentVersionInfo() |
| return _LKGMCandidateInfo(version_info.VersionString(), |
| chrome_branch=version_info.chrome_branch, |
| incr_type=self.incr_type) |
| |
| def _AddPatchesToManifest(self, manifest, patches): |
| """Adds list of |patches| to given |manifest|. |
| |
| The manifest should have sufficient information for the slave |
| builders to fetch the patches from Gerrit and to print the CL link |
| (see cros_patch.GerritFetchOnlyPatch). |
| |
| Args: |
| manifest: Path to the manifest. |
| patches: A list of cros_patch.GerritPatch objects. |
| """ |
| manifest_dom = minidom.parse(manifest) |
| for patch in patches: |
| pending_commit = manifest_dom.createElement(PALADIN_COMMIT_ELEMENT) |
| pending_commit.setAttribute(PALADIN_REMOTE_ATTR, patch.remote) |
| pending_commit.setAttribute( |
| PALADIN_GERRIT_NUMBER_ATTR, patch.gerrit_number) |
| pending_commit.setAttribute(PALADIN_PROJECT_ATTR, patch.project) |
| pending_commit.setAttribute(PALADIN_PROJECT_URL_ATTR, patch.project_url) |
| pending_commit.setAttribute(PALADIN_REF_ATTR, patch.ref) |
| pending_commit.setAttribute(PALADIN_BRANCH_ATTR, patch.tracking_branch) |
| pending_commit.setAttribute(PALADIN_CHANGE_ID_ATTR, patch.change_id) |
| pending_commit.setAttribute(PALADIN_COMMIT_ATTR, patch.commit) |
| pending_commit.setAttribute(PALADIN_PATCH_NUMBER_ATTR, patch.patch_number) |
| pending_commit.setAttribute(PALADIN_OWNER_EMAIL_ATTR, patch.owner_email) |
| pending_commit.setAttribute(PALADIN_FAIL_COUNT_ATTR, |
| str(patch.fail_count)) |
| pending_commit.setAttribute(PALADIN_PASS_COUNT_ATTR, |
| str(patch.pass_count)) |
| pending_commit.setAttribute(PALADIN_TOTAL_FAIL_COUNT_ATTR, |
| str(patch.total_fail_count)) |
| manifest_dom.documentElement.appendChild(pending_commit) |
| |
| with open(manifest, 'w+') as manifest_file: |
| manifest_dom.writexml(manifest_file) |
| |
| @staticmethod |
| def _GetDefaultRemote(manifest_dom): |
| """Returns the default remote in a manifest (if any). |
| |
| Args: |
| manifest_dom: DOM Document object representing the manifest. |
| |
| Returns: |
| Default remote if one exists, None otherwise. |
| """ |
| default_nodes = manifest_dom.getElementsByTagName(DEFAULT_ELEMENT) |
| if default_nodes: |
| if len(default_nodes) > 1: |
| raise FilterManifestException( |
| 'More than one <default> element found in manifest') |
| return default_nodes[0].getAttribute(PROJECT_REMOTE_ATTR) |
| return None |
| |
| @staticmethod |
| def _FilterCrosInternalProjectsFromManifest( |
| manifest, whitelisted_remotes=constants.EXTERNAL_REMOTES): |
| """Returns a path to a new manifest with internal repositories stripped. |
| |
| Args: |
| manifest: Path to an existing manifest that may have internal |
| repositories. |
| whitelisted_remotes: Tuple of remotes to allow in the external manifest. |
| Only projects with those remotes will be included in the external |
| manifest. |
| |
| Returns: |
| Path to a new manifest that is a copy of the original without internal |
| repositories or pending commits. |
| """ |
| temp_fd, new_path = tempfile.mkstemp('external_manifest') |
| manifest_dom = minidom.parse(manifest) |
| manifest_node = manifest_dom.getElementsByTagName(MANIFEST_ELEMENT)[0] |
| projects = manifest_dom.getElementsByTagName(PROJECT_ELEMENT) |
| pending_commits = manifest_dom.getElementsByTagName(PALADIN_COMMIT_ELEMENT) |
| |
| default_remote = LKGMManager._GetDefaultRemote(manifest_dom) |
| internal_projects = set() |
| for project_element in projects: |
| project_remote = project_element.getAttribute(PROJECT_REMOTE_ATTR) |
| project = project_element.getAttribute(PROJECT_NAME_ATTR) |
| if not project_remote: |
| if not default_remote: |
| # This should not happen for a valid manifest. Either each |
| # project must have a remote specified or there should |
| # be manifest default we could use. |
| raise FilterManifestException( |
| 'Project %s has unspecified remote with no default' % project) |
| project_remote = default_remote |
| if project_remote not in whitelisted_remotes: |
| internal_projects.add(project) |
| manifest_node.removeChild(project_element) |
| |
| for commit_element in pending_commits: |
| if commit_element.getAttribute( |
| PALADIN_PROJECT_ATTR) in internal_projects: |
| manifest_node.removeChild(commit_element) |
| |
| with os.fdopen(temp_fd, 'w') as manifest_file: |
| # Filter out empty lines. |
| filtered_manifest_noempty = filter( |
| str.strip, manifest_dom.toxml('utf-8').splitlines()) |
| manifest_file.write(os.linesep.join(filtered_manifest_noempty)) |
| |
| return new_path |
| |
| def CreateNewCandidate(self, validation_pool=None, |
| retries=manifest_version.NUM_RETRIES): |
| """Creates, syncs to, and returns the next candidate manifest. |
| |
| Args: |
| validation_pool: Validation pool to apply to the manifest before |
| publishing. |
| retries: Number of retries for updating the status. |
| |
| Raises: |
| GenerateBuildSpecException in case of failure to generate a buildspec |
| """ |
| self.CheckoutSourceCode() |
| |
| # Refresh manifest logic from manifest_versions repository to grab the |
| # LKGM to generate the blamelist. |
| version_info = self.GetCurrentVersionInfo() |
| self.RefreshManifestCheckout() |
| self.InitializeManifestVariables(version_info) |
| |
| self._GenerateBlameListSinceLKGM() |
| new_manifest = self.CreateManifest() |
| # For the Commit Queue, apply the validation pool as part of checkout. |
| if validation_pool: |
| # If we have nothing that could apply from the validation pool and |
| # we're not also a pfq type, we got nothing to do. |
| assert self.cros_source.directory == validation_pool.build_root |
| if (not validation_pool.ApplyPoolIntoRepo() and |
| not cbuildbot_config.IsPFQType(self.build_type)): |
| return None |
| |
| self._AddPatchesToManifest(new_manifest, validation_pool.changes) |
| |
| last_error = None |
| for attempt in range(0, retries + 1): |
| try: |
| # Refresh manifest logic from manifest_versions repository. |
| # Note we don't need to do this on our first attempt as we needed to |
| # have done it to get the LKGM. |
| if attempt != 0: |
| self.RefreshManifestCheckout() |
| self.InitializeManifestVariables(version_info) |
| |
| # If we don't have any valid changes to test, make sure the checkout |
| # is at least different. |
| if ((not validation_pool or not validation_pool.changes) and |
| not self.force and self.HasCheckoutBeenBuilt()): |
| return None |
| |
| # Check whether the latest spec available in manifest-versions is |
| # newer than our current version number. If so, use it as the base |
| # version number. Otherwise, we default to 'rc1'. |
| if self.latest: |
| latest = max(self.latest, version_info.VersionString(), |
| key=self.compare_versions_fn) |
| version_info = _LKGMCandidateInfo( |
| latest, chrome_branch=version_info.chrome_branch, |
| incr_type=self.incr_type) |
| |
| git.CreatePushBranch(manifest_version.PUSH_BRANCH, self.manifest_dir, |
| sync=False) |
| version = self.GetNextVersion(version_info) |
| self.PublishManifest(new_manifest, version) |
| self.current_version = version |
| return self.GetLocalManifest(version) |
| except cros_build_lib.RunCommandError as e: |
| err_msg = 'Failed to generate LKGM Candidate. error: %s' % e |
| logging.error(err_msg) |
| last_error = err_msg |
| else: |
| raise manifest_version.GenerateBuildSpecException(last_error) |
| |
| def CreateFromManifest(self, manifest, retries=manifest_version.NUM_RETRIES, |
| dashboard_url=None): |
| """Sets up an lkgm_manager from the given manifest. |
| |
| This method sets up an LKGM manager and publishes a new manifest to the |
| manifest versions repo based on the passed in manifest but filtering |
| internal repositories and changes out of it. |
| |
| Args: |
| manifest: A manifest that possibly contains private changes/projects. It |
| is named with the given version we want to create a new manifest from |
| i.e R20-1920.0.1-rc7.xml where R20-1920.0.1-rc7 is the version. |
| retries: Number of retries for updating the status. |
| dashboard_url: Optional url linking to builder dashboard for this build. |
| |
| Raises: |
| GenerateBuildSpecException in case of failure to check-in the new |
| manifest because of a git error or the manifest is already checked-in. |
| """ |
| last_error = None |
| new_manifest = self._FilterCrosInternalProjectsFromManifest(manifest) |
| version_info = self.GetCurrentVersionInfo() |
| for _attempt in range(0, retries + 1): |
| try: |
| self.RefreshManifestCheckout() |
| self.InitializeManifestVariables(version_info) |
| |
| git.CreatePushBranch(manifest_version.PUSH_BRANCH, self.manifest_dir, |
| sync=False) |
| version = os.path.splitext(os.path.basename(manifest))[0] |
| logging.info('Publishing filtered build spec') |
| self.PublishManifest(new_manifest, version) |
| self.SetInFlight(version, dashboard_url=dashboard_url) |
| self.current_version = version |
| return self.GetLocalManifest(version) |
| except cros_build_lib.RunCommandError as e: |
| err_msg = 'Failed to generate LKGM Candidate. error: %s' % e |
| logging.error(err_msg) |
| last_error = err_msg |
| else: |
| raise manifest_version.GenerateBuildSpecException(last_error) |
| |
| def GetLatestCandidate(self, dashboard_url=None): |
| """Gets and syncs to the next candiate manifest. |
| |
| Args: |
| retries: Number of retries for updating the status |
| dashboard_url: Optional url linking to builder dashboard for this build. |
| |
| Returns: |
| Local path to manifest to build or None in case of no need to build. |
| |
| Raises: |
| GenerateBuildSpecException in case of failure to generate a buildspec |
| """ |
| def _AttemptToGetLatestCandidate(seconds_left): |
| """Attempts to acquire latest candidate using manifest repo.""" |
| self.RefreshManifestCheckout() |
| self.InitializeManifestVariables(self.GetCurrentVersionInfo()) |
| if self.latest_unprocessed: |
| return self.latest_unprocessed |
| elif self.dry_run and self.latest: |
| return self.latest |
| else: |
| minutes_left = int((seconds_left / 60) + 0.5) |
| logging.info('Found nothing new to build, will keep trying for %d more' |
| ' minutes.', minutes_left) |
| logging.info('If this is a PFQ, then you should have forced the master' |
| ', which runs cbuildbot_master') |
| return None |
| |
| # TODO(sosa): We only really need the overlay for the version info but we |
| # do a full checkout here because we have no way of refining it currently. |
| self.CheckoutSourceCode() |
| version_to_build = self._RunLambdaWithTimeout( |
| _AttemptToGetLatestCandidate, self._GetMaxLongTimeout()) |
| |
| if version_to_build: |
| logging.info('Starting build spec: %s', version_to_build) |
| self.SetInFlight(version_to_build, dashboard_url=dashboard_url) |
| self.current_version = version_to_build |
| |
| # Actually perform the sync. |
| manifest = self.GetLocalManifest(version_to_build) |
| self.cros_source.Sync(manifest) |
| self._GenerateBlameListSinceLKGM() |
| return manifest |
| else: |
| return None |
| |
| def GetBuildersStatus(self, builders_array, wait_for_results=True): |
| """Returns a build-names->status dictionary of build statuses. |
| |
| Args: |
| builders_array: A list of the names of the builders to check. |
| wait_for_results: If True, keep trying until all builder statuses are |
| available or until timeout is reached. |
| """ |
| builders_completed = set() |
| builder_statuses = {} |
| |
| def _CheckStatusOfBuildersArray(seconds_left): |
| """Helper function that iterates through current statuses.""" |
| for builder_name in builders_array: |
| cached_status = builder_statuses.get(builder_name) |
| if not cached_status or not cached_status.Completed(): |
| logging.debug("Checking for builder %s's status", builder_name) |
| builder_status = self.GetBuildStatus(builder_name, |
| self.current_version) |
| builder_statuses[builder_name] = builder_status |
| if builder_status.Missing(): |
| logging.warn('No status found for builder %s.', builder_name) |
| elif builder_status.Completed(): |
| builders_completed.add(builder_name) |
| logging.info('Builder %s completed with status "%s".', |
| builder_name, builder_status.status) |
| |
| if len(builders_completed) < len(builders_array): |
| minutes_left = int((seconds_left / 60) + 0.5) |
| logging.info('Still waiting (up to %d more minutes) for the following' |
| ' builds to complete: %r', minutes_left, |
| sorted(set(builders_array).difference(builders_completed))) |
| return None |
| else: |
| return 'Builds completed.' |
| |
| # Even if we do not want to wait for results long, wait a little bit |
| # just to exercise the same code. |
| max_timeout = self._GetMaxLongTimeout() if wait_for_results else 3 * 60 |
| |
| # Check for build completion until all builders report in. |
| builds_succeeded = self._RunLambdaWithTimeout( |
| _CheckStatusOfBuildersArray, max_timeout) |
| if not builds_succeeded: |
| logging.error('Not all builds finished before timeout (%d minutes)' |
| ' reached.', int((max_timeout / 60) + 0.5)) |
| |
| return builder_statuses |
| |
| def PromoteCandidate(self, retries=manifest_version.NUM_RETRIES): |
| """Promotes the current LKGM candidate to be a real versioned LKGM.""" |
| assert self.current_version, 'No current manifest exists.' |
| |
| last_error = None |
| path_to_candidate = self.GetLocalManifest(self.current_version) |
| assert os.path.exists(path_to_candidate), 'Candidate not found locally.' |
| |
| # This may potentially fail for not being at TOT while pushing. |
| for attempt in range(0, retries + 1): |
| try: |
| if attempt > 0: |
| self.RefreshManifestCheckout() |
| git.CreatePushBranch(manifest_version.PUSH_BRANCH, |
| self.manifest_dir, sync=False) |
| manifest_version.CreateSymlink(path_to_candidate, self.lkgm_path) |
| git.RunGit(self.manifest_dir, ['add', self.LKGM_PATH]) |
| self.PushSpecChanges( |
| 'Automatic: %s promoting %s to LKGM' % (self.build_names[0], |
| self.current_version)) |
| return |
| except cros_build_lib.RunCommandError as e: |
| last_error = 'Failed to promote manifest. error: %s' % e |
| logging.error(last_error) |
| logging.error('Retrying to promote manifest: Retry %d/%d', attempt + 1, |
| retries) |
| |
| else: |
| raise PromoteCandidateException(last_error) |
| |
| def _ShouldGenerateBlameListSinceLKGM(self): |
| """Returns True if we should generate the blamelist.""" |
| # We want to generate the blamelist only for valid pfq types and if we are |
| # building on the master branch i.e. revving the build number. |
| return (self.incr_type == 'build' and |
| cbuildbot_config.IsPFQType(self.build_type) and |
| self.build_type != constants.CHROME_PFQ_TYPE) |
| |
| def _GenerateBlameListSinceLKGM(self): |
| """Prints out links to all CL's that have been committed since LKGM. |
| |
| Add buildbot trappings to print <a href='url'>text</a> in the waterfall for |
| each CL committed since we last had a passing build. |
| """ |
| if not self._ShouldGenerateBlameListSinceLKGM(): |
| logging.info('Not generating blamelist for lkgm as it is not appropriate ' |
| 'for this build type.') |
| return |
| # Suppress re-printing changes we tried ourselves on paladin |
| # builders since they are redundant. |
| only_print_chumps = self.build_type == constants.PALADIN_TYPE |
| GenerateBlameList(self.cros_source, self.lkgm_path, |
| only_print_chumps=only_print_chumps) |
| |
| def GetLatestPassingSpec(self): |
| """Get the last spec file that passed in the current branch.""" |
| raise NotImplementedError() |
| |
| |
| def GenerateBlameList(source_repo, lkgm_path, only_print_chumps=False): |
| """Generate the blamelist since the specified manifest. |
| |
| Args: |
| source_repo: Repository object for the source code. |
| lkgm_path: Path to LKGM manifest. |
| only_print_chumps: If True, only print changes that were chumped. |
| """ |
| handler = git.Manifest(lkgm_path) |
| reviewed_on_re = re.compile(r'\s*Reviewed-on:\s*(\S+)') |
| author_re = re.compile(r'\s*Author:.*<(\S+)@\S+>\s*') |
| committer_re = re.compile(r'\s*Commit:.*<(\S+)@\S+>\s*') |
| for rel_src_path, checkout in handler.checkouts_by_path.iteritems(): |
| project = checkout['name'] |
| |
| # Additional case in case the repo has been removed from the manifest. |
| src_path = source_repo.GetRelativePath(rel_src_path) |
| if not os.path.exists(src_path): |
| cros_build_lib.Info('Detected repo removed from manifest %s' % project) |
| continue |
| |
| revision = checkout['revision'] |
| cmd = ['log', '--pretty=full', '%s..HEAD' % revision] |
| try: |
| result = git.RunGit(src_path, cmd) |
| except cros_build_lib.RunCommandError as ex: |
| # Git returns 128 when the revision does not exist. |
| if ex.result.returncode != 128: |
| raise |
| cros_build_lib.Warning('Detected branch removed from local checkout.') |
| cros_build_lib.PrintBuildbotStepWarnings() |
| return |
| current_author = None |
| current_committer = None |
| for line in unicode(result.output, 'ascii', 'ignore').splitlines(): |
| author_match = author_re.match(line) |
| if author_match: |
| current_author = author_match.group(1) |
| |
| committer_match = committer_re.match(line) |
| if committer_match: |
| current_committer = committer_match.group(1) |
| |
| review_match = reviewed_on_re.match(line) |
| if review_match: |
| review = review_match.group(1) |
| _, _, change_number = review.rpartition('/') |
| items = [ |
| os.path.basename(project), |
| current_author, |
| change_number, |
| ] |
| if current_committer not in ('chrome-bot', 'chrome-internal-fetch', |
| 'chromeos-commit-bot'): |
| items.insert(0, 'CHUMP') |
| elif only_print_chumps: |
| continue |
| cros_build_lib.PrintBuildbotLink(' | '.join(items), review) |
