| # Copyright 2020 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| """Methods related to querying builder information from Buildbucket.""" |
| |
| from __future__ import print_function |
| |
| import json |
| import logging |
| import os |
| import subprocess |
| from typing import Any, Dict, Iterable, List, Optional, Set, Tuple |
| |
| import six |
| |
| from unexpected_passes_common import constants |
| from unexpected_passes_common import data_types |
| from unexpected_passes_common import multiprocessing_utils |
| |
| TESTING_BUILDBOT_DIR = os.path.realpath( |
| os.path.join(os.path.dirname(__file__), '..', 'buildbot')) |
| INTERNAL_TESTING_BUILDBOT_DIR = os.path.realpath( |
| os.path.join(constants.SRC_INTERNAL_DIR, 'testing', 'buildbot')) |
| |
| # Public JSON files for internal builders, which should be treated as internal. |
| PUBLIC_INTERNAL_JSON_FILES = { |
| 'chrome.json', |
| 'chrome.gpu.fyi.json', |
| 'internal.chrome.fyi.json', |
| 'internal.chromeos.fyi.json', |
| } |
| |
| AUTOGENERATED_JSON_KEY = 'AAAAA1 AUTOGENERATED FILE DO NOT EDIT' |
| |
| FakeBuildersDict = Dict[data_types.BuilderEntry, Set[data_types.BuilderEntry]] |
| |
| _registered_instance = None |
| |
| |
| def GetInstance() -> 'Builders': |
| return _registered_instance |
| |
| |
| def RegisterInstance(instance: 'Builders') -> None: |
| global _registered_instance |
| assert _registered_instance is None |
| assert isinstance(instance, Builders) |
| _registered_instance = instance |
| |
| |
| def ClearInstance() -> None: |
| global _registered_instance |
| _registered_instance = None |
| |
| |
| class Builders(): |
| def __init__(self, suite: Optional[str], include_internal_builders: bool): |
| """ |
| Args: |
| suite: A string containing particular suite of interest if applicable, |
| such as for Telemetry-based tests. Can be None if not applicable. |
| include_internal_builders: A boolean indicating whether data from |
| internal builders should be used in addition to external ones. |
| """ |
| self._authenticated = False |
| self._suite = suite |
| self._include_internal_builders = include_internal_builders |
| |
| def _ProcessJsonFiles(self, files: List[str], are_internal_files: bool, |
| builder_type: str) -> Set[data_types.BuilderEntry]: |
| builders = set() |
| for filepath in files: |
| if not filepath.endswith('.json'): |
| continue |
| if builder_type == constants.BuilderTypes.CI: |
| if 'tryserver' in filepath: |
| continue |
| elif builder_type == constants.BuilderTypes.TRY: |
| if 'tryserver' not in filepath: |
| continue |
| with open(filepath, encoding='utf-8') as f: |
| buildbot_json = json.load(f) |
| # Skip any JSON files that don't contain builder information. |
| if AUTOGENERATED_JSON_KEY not in buildbot_json: |
| continue |
| |
| for builder, test_map in buildbot_json.items(): |
| # Remove the auto-generated comments. |
| if 'AAAA' in builder: |
| continue |
| # Filter out any builders that don't run the suite in question. |
| if not self._BuilderRunsTestOfInterest(test_map): |
| continue |
| builders.add( |
| data_types.BuilderEntry(builder, builder_type, are_internal_files)) |
| return builders |
| |
| def GetCiBuilders(self) -> Set[data_types.BuilderEntry]: |
| """Gets the set of CI builders to query. |
| |
| Returns: |
| A set of data_types.BuilderEntry, each element corresponding to either a |
| public or internal CI builder to query results from. |
| """ |
| ci_builders = set() |
| |
| logging.info('Getting CI builders') |
| ci_builders = self._ProcessJsonFiles(_GetPublicJsonFiles(), False, |
| constants.BuilderTypes.CI) |
| if self._include_internal_builders: |
| ci_builders |= self._ProcessJsonFiles(_GetInternalJsonFiles(), True, |
| constants.BuilderTypes.CI) |
| |
| logging.debug('Got %d CI builders after trimming: %s', len(ci_builders), |
| ', '.join([b.name for b in ci_builders])) |
| return ci_builders |
| |
| def _BuilderRunsTestOfInterest(self, test_map: Dict[str, Any]) -> bool: |
| """Determines if a builder runs a test of interest. |
| |
| Args: |
| test_map: A dict, corresponding to a builder's test spec from a |
| //testing/buildbot JSON file. |
| suite: A string containing particular suite of interest if applicable, |
| such as for Telemetry-based tests. Can be None if not applicable. |
| |
| Returns: |
| True if |test_map| contains a test of interest, else False. |
| """ |
| raise NotImplementedError() |
| |
| def GetTryBuilders(self, ci_builders: Iterable[data_types.BuilderEntry] |
| ) -> Set[data_types.BuilderEntry]: |
| """Gets the set of try builders to query. |
| |
| A try builder is of interest if it mirrors a builder in |ci_builders| or is |
| a dedicated try builder. |
| |
| Args: |
| ci_builders: An iterable of data_types.BuilderEntry, each element being a |
| public or internal CI builder that results will be/were queried from. |
| |
| Returns: |
| A set of data_types.BuilderEntry, each element being the name of a |
| Chromium try builder to query results from. |
| """ |
| logging.info('Getting try builders') |
| dedicated_try_builders = self._ProcessJsonFiles([ |
| os.path.join(TESTING_BUILDBOT_DIR, f) |
| for f in os.listdir(TESTING_BUILDBOT_DIR) |
| ], False, constants.BuilderTypes.TRY) |
| if self._include_internal_builders: |
| dedicated_try_builders |= self._ProcessJsonFiles([ |
| os.path.join(INTERNAL_TESTING_BUILDBOT_DIR, f) |
| for f in os.listdir(INTERNAL_TESTING_BUILDBOT_DIR) |
| ], True, constants.BuilderTypes.TRY) |
| mirrored_builders = set() |
| no_output_builders = set() |
| |
| with multiprocessing_utils.GetProcessPoolContext() as pool: |
| results = pool.map(self._GetMirroredBuildersForCiBuilder, ci_builders) |
| for (builders, found_mirror) in results: |
| if found_mirror: |
| mirrored_builders |= builders |
| else: |
| no_output_builders |= builders |
| |
| if no_output_builders: |
| raise RuntimeError( |
| 'Did not get Buildbucket output for the following builders. They may ' |
| 'need to be added to the GetFakeCiBuilders or ' |
| 'GetNonChromiumBuilders .\n%s' % |
| '\n'.join([b.name for b in no_output_builders])) |
| logging.debug('Got %d try builders: %s', len(mirrored_builders), |
| mirrored_builders) |
| return dedicated_try_builders | mirrored_builders |
| |
| def _GetMirroredBuildersForCiBuilder( |
| self, ci_builder: data_types.BuilderEntry |
| ) -> Tuple[Set[data_types.BuilderEntry], bool]: |
| """Gets the set of try builders that mirror a CI builder. |
| |
| Args: |
| ci_builder: A data_types.BuilderEntry for a public or internal CI builder. |
| |
| Returns: |
| A tuple (builders, found_mirror). |builders| is a set of |
| data_types.BuilderEntry, either the set of try builders that mirror |
| |ci_builder| or |ci_builder|, depending on the value of |found_mirror|. |
| |found_mirror| is True if mirrors were actually found, in which case |
| |builders| contains the try builders. Otherwise, |found_mirror| is False |
| and |builders| contains |ci_builder|. |
| """ |
| mirrored_builders = set() |
| if ci_builder in self.GetNonChromiumBuilders(): |
| logging.debug('%s is a non-Chromium CI builder', ci_builder.name) |
| return mirrored_builders, True |
| |
| fake_builders = self.GetFakeCiBuilders() |
| if ci_builder in fake_builders: |
| mirrored_builders |= fake_builders[ci_builder] |
| logging.debug('%s is a fake CI builder mirrored by %s', ci_builder.name, |
| ', '.join(b.name for b in fake_builders[ci_builder])) |
| return mirrored_builders, True |
| |
| bb_output = self._GetBuildbucketOutputForCiBuilder(ci_builder) |
| if not bb_output: |
| mirrored_builders.add(ci_builder) |
| logging.debug('Did not get Buildbucket output for builder %s', |
| ci_builder.name) |
| return mirrored_builders, False |
| |
| bb_json = json.loads(bb_output) |
| mirrored = bb_json.get('output', {}).get('properties', |
| {}).get('mirrored_builders', []) |
| # The mirror names from Buildbucket include the group separated by :, e.g. |
| # tryserver.chromium.android:gpu-fyi-try-android-m-nexus-5x-64, so only grab |
| # the builder name. |
| for mirror in mirrored: |
| split = mirror.split(':') |
| assert len(split) == 2 |
| logging.debug('Got mirrored builder for %s: %s', ci_builder.name, |
| split[1]) |
| mirrored_builders.add( |
| data_types.BuilderEntry(split[1], constants.BuilderTypes.TRY, |
| ci_builder.is_internal_builder)) |
| return mirrored_builders, True |
| |
| def _GetBuildbucketOutputForCiBuilder(self, |
| ci_builder: data_types.BuilderEntry |
| ) -> str: |
| # Ensure the user is logged in to bb. |
| if not self._authenticated: |
| try: |
| with open(os.devnull, 'w', newline='', encoding='utf-8') as devnull: |
| subprocess.check_call(['bb', 'auth-info'], |
| stdout=devnull, |
| stderr=devnull) |
| except subprocess.CalledProcessError as e: |
| six.raise_from( |
| RuntimeError('You are not logged into bb - run `bb auth-login`.'), |
| e) |
| self._authenticated = True |
| # Split out for ease of testing. |
| # Get the Buildbucket ID for the most recent completed build for a builder. |
| p = subprocess.Popen([ |
| 'bb', |
| 'ls', |
| '-id', |
| '-1', |
| '-status', |
| 'ended', |
| '%s/ci/%s' % (ci_builder.project, ci_builder.name), |
| ], |
| stdout=subprocess.PIPE) |
| # Use the ID to get the most recent build. |
| bb_output = subprocess.check_output([ |
| 'bb', |
| 'get', |
| '-A', |
| '-json', |
| ], |
| stdin=p.stdout, |
| text=True) |
| return bb_output |
| |
| def GetIsolateNames(self) -> Set[str]: |
| """Gets the isolate names that are relevant to this implementation. |
| |
| Returns: |
| A set of strings, each element being the name of an isolate of interest. |
| """ |
| raise NotImplementedError() |
| |
| def GetFakeCiBuilders(self) -> FakeBuildersDict: |
| """Gets a mapping of fake CI builders to their mirrored trybots. |
| |
| Returns: |
| A dict of data_types.BuilderEntry -> set(data_types.BuilderEntry). Each |
| key is a CI builder that doesn't actually exist and each value is a set of |
| try builders that mirror the CI builder but do exist. |
| """ |
| raise NotImplementedError() |
| |
| def GetNonChromiumBuilders(self) -> Set[data_types.BuilderEntry]: |
| """Gets the builders that are not actual Chromium builders. |
| |
| These are listed in the Chromium //testing/buildbot files, but aren't under |
| the Chromium Buildbucket project. These don't use the same recipes as |
| Chromium builders, and thus don't have the list of trybot mirrors. |
| |
| Returns: |
| A set of data_types.BuilderEntry, each element being a non-Chromium |
| builder. |
| """ |
| raise NotImplementedError() |
| |
| |
| def _GetPublicJsonFiles() -> List[str]: |
| return [ |
| os.path.join(TESTING_BUILDBOT_DIR, f) |
| for f in os.listdir(TESTING_BUILDBOT_DIR) |
| if f not in PUBLIC_INTERNAL_JSON_FILES |
| ] |
| |
| |
| def _GetInternalJsonFiles() -> List[str]: |
| internal_files = [ |
| os.path.join(INTERNAL_TESTING_BUILDBOT_DIR, f) |
| for f in os.listdir(INTERNAL_TESTING_BUILDBOT_DIR) |
| ] |
| public_internal_files = [ |
| os.path.join(TESTING_BUILDBOT_DIR, f) |
| for f in os.listdir(TESTING_BUILDBOT_DIR) |
| if f in PUBLIC_INTERNAL_JSON_FILES |
| ] |
| return internal_files + public_internal_files |
