зеркало из https://github.com/mozilla/gecko-dev.git
147 строки
4.5 KiB
Python
147 строки
4.5 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import absolute_import, print_function, unicode_literals
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import hashlib
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import json
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import os
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import re
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import shutil
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import sys
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from collections import defaultdict
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from mozboot.util import get_state_dir
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from mozbuild.base import MozbuildObject
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from mozpack.files import FileFinder
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from moztest.resolve import TestResolver, get_suite_definition
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import taskgraph
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from taskgraph.generator import TaskGraphGenerator
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from taskgraph.parameters import (
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ParameterMismatch,
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parameters_loader,
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)
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from taskgraph.taskgraph import TaskGraph
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here = os.path.abspath(os.path.dirname(__file__))
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build = MozbuildObject.from_environment(cwd=here)
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PARAMETER_MISMATCH = """
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ERROR - The parameters being used to generate tasks differ from those expected
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by your working copy:
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{}
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To fix this, either rebase onto the latest mozilla-central or pass in
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-p/--parameters. For more information on how to define parameters, see:
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https://firefox-source-docs.mozilla.org/taskcluster/taskcluster/mach.html#parameters
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"""
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def invalidate(cache, root):
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if not os.path.isfile(cache):
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return
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tc_dir = os.path.join(root, 'taskcluster')
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tmod = max(os.path.getmtime(os.path.join(tc_dir, p)) for p, _ in FileFinder(tc_dir))
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cmod = os.path.getmtime(cache)
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if tmod > cmod:
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os.remove(cache)
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def generate_tasks(params=None, full=False):
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# TODO: Remove after January 1st, 2020.
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# Try to delete the old taskgraph cache directories.
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root = build.topsrcdir
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root_hash = hashlib.sha256(os.path.abspath(root)).hexdigest()
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old_cache_dirs = [
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os.path.join(get_state_dir(), 'cache', 'taskgraph'),
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os.path.join(get_state_dir(), 'cache', root_hash, 'taskgraph'),
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]
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for cache_dir in old_cache_dirs:
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if os.path.isdir(cache_dir):
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shutil.rmtree(cache_dir)
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cache_dir = os.path.join(get_state_dir(srcdir=True), 'cache', 'taskgraph')
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attr = 'full_task_set' if full else 'target_task_set'
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cache = os.path.join(cache_dir, attr)
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invalidate(cache, root)
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if os.path.isfile(cache):
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with open(cache, 'r') as fh:
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return TaskGraph.from_json(json.load(fh))[1]
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if not os.path.isdir(cache_dir):
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os.makedirs(cache_dir)
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print("Task configuration changed, generating {}".format(attr.replace('_', ' ')))
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taskgraph.fast = True
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cwd = os.getcwd()
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os.chdir(root)
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root = os.path.join(root, 'taskcluster', 'ci')
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params = parameters_loader(params, strict=False, overrides={'try_mode': 'try_select'})
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# Cache both full_task_set and target_task_set regardless of whether or not
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# --full was requested. Caching is cheap and can potentially save a lot of
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# time.
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generator = TaskGraphGenerator(root_dir=root, parameters=params)
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def generate(attr):
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try:
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tg = getattr(generator, attr)
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except ParameterMismatch as e:
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print(PARAMETER_MISMATCH.format(e.args[0]))
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sys.exit(1)
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# write cache
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with open(os.path.join(cache_dir, attr), 'w') as fh:
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json.dump(tg.to_json(), fh)
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return tg
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tg_full = generate('full_task_set')
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tg_target = generate('target_task_set')
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os.chdir(cwd)
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if full:
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return tg_full
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return tg_target
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def filter_tasks_by_paths(tasks, paths):
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resolver = TestResolver.from_environment(cwd=here)
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run_suites, run_tests = resolver.resolve_metadata(paths)
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flavors = set([(t['flavor'], t.get('subsuite')) for t in run_tests])
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task_regexes = set()
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for flavor, subsuite in flavors:
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_, suite = get_suite_definition(flavor, subsuite, strict=True)
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if 'task_regex' not in suite:
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print("warning: no tasks could be resolved from flavor '{}'{}".format(
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flavor, " and subsuite '{}'".format(subsuite) if subsuite else ""))
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continue
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task_regexes.update(suite['task_regex'])
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def match_task(task):
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return any(re.search(pattern, task) for pattern in task_regexes)
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return filter(match_task, tasks)
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def resolve_tests_by_suite(paths):
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resolver = TestResolver.from_environment(cwd=here)
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_, run_tests = resolver.resolve_metadata(paths)
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suite_to_tests = defaultdict(list)
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for test in run_tests:
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key, _ = get_suite_definition(test['flavor'], test.get('subsuite'), strict=True)
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suite_to_tests[key].append(test['srcdir_relpath'])
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return suite_to_tests
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