blob: fda1453e6c60ae4fe0c69d625cfd908b4a8b7e10 [file] [log] [blame]
#!/usr/bin/env vpython
#
# Copyright 2017 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.
import argparse
import json
import logging
import os
import stat
import shutil
import sys
import tempfile
import time
from webkitpy.common.system.filesystem import FileSystem
from webkitpy.common.system.log_utils import configure_logging
from webkitpy.layout_tests import merge_results
# The output JSON has the following arguments overwritten with a value from
# build properties. This occurs when '--build-properties' argument is provided
# and is mainly used when merging on build bots to provide better information
# about the build to the test results server.
# Format is a list of ('result json key', 'build property key').
RESULTS_JSON_VALUE_OVERRIDE_WITH_BUILD_PROPERTY = [
("build_number", "buildnumber"),
("builder_name", "buildername"),
("chromium_revision", "got_revision_cp"),
]
# ------------------------------------------------------------------------
def ensure_empty_dir(fs, directory, allow_existing, remove_existing):
"""Ensure an empty directory exists.
Args:
allow_existing (bool): Allow the empty directory to already exist.
remove_existing (bool): Remove the contents if the directory
already exists.
"""
if not fs.exists(directory):
fs.maybe_make_directory(directory)
return
logging.warning('Output directory exists %r', directory)
if not allow_existing:
raise IOError(
('Output directory %s exists!\n'
'Use --allow-existing-output-directory to continue') % directory)
if remove_existing and not fs.remove_contents(directory):
raise IOError(
('Unable to remove output directory %s contents!\n'
'See log output for errors.') % directory)
def main(argv):
parser = argparse.ArgumentParser()
parser.description = """\
Merges sharded layout test results into a single output directory.
"""
parser.epilog = """\
If a post merge script is given, it will be run on the resulting merged output
directory. The script will be given the arguments plus
'--results_dir <output_directory>'.
"""
parser.add_argument(
'-v', '--verbose', action='store_true',
help='Output information about merging progress.')
parser.add_argument(
'--results-json-override-value',
nargs=2, metavar=('KEY', 'VALUE'), default=[],
action='append',
help='Override the value of a value in the result style JSON file '
'(--result-jsons-override-value layout_test_dirs /tmp/output).')
parser.add_argument(
'--results-json-allow-unknown-if-matching',
action='store_true', default=False,
help='Allow unknown values in the result.json file as long as the '
'value match on all shards.')
parser.add_argument(
'--output-directory',
help='Directory to create the merged results in.')
parser.add_argument(
'--allow-existing-output-directory',
action='store_true', default=False,
help='Allow merging results into a directory which already exists.')
parser.add_argument(
'--remove-existing-output-directory',
action='store_true', default=False,
help='Remove merging results into a directory which already exists.')
parser.add_argument(
'--input-directories', nargs='+',
help='Directories to merge the results from.')
# Swarming Isolated Merge Script API
# script.py --build-properties /s/build.json --output-json /tmp/output.json shard0/output.json shard1/output.json
parser.add_argument(
'-o', '--output-json',
help='(Swarming Isolated Merge Script API) Output JSON file to create.')
parser.add_argument(
'--build-properties',
help='(Swarming Isolated Merge Script API) Build property JSON file provided by recipes.')
parser.add_argument(
'--results-json-override-with-build-property',
nargs=2, metavar=('RESULT_JSON_KEY', 'BUILD_PROPERTY_KEY'), default=[],
action='append',
help='Override the value of a value in the result style JSON file '
'(--result-jsons-override-value layout_test_dirs /tmp/output).')
parser.add_argument(
'--summary-json',
help='(Swarming Isolated Merge Script API) Summary of shard state running on swarming.'
'(Output of the swarming.py collect --task-summary-json=XXX command.)')
# Script to run after merging the directories together. Normally used with archive_layout_test_results.py
# scripts/slave/chromium/archive_layout_test_results.py \
# --results-dir /b/rr/tmpIcChUS/w/layout-test-results \
# --build-dir /b/rr/tmpIcChUS/w/src/out \
# --build-number 3665 \
# --builder-name 'WebKit Linux - RandomOrder' \
# --gs-bucket gs://chromium-layout-test-archives \
# --staging-dir /b/c/chrome_staging \
# --slave-utils-gsutil-py-path /b/rr/tmpIcChUS/rw/scripts/slave/.recipe_deps/depot_tools/gsutil.py
# in dir /b/rr/tmpIcChUS/w
parser.add_argument(
'--post-merge-script',
nargs='*',
help='Script to call after the results have been merged.')
# The position arguments depend on if we are using the isolated merge
# script API mode or not.
parser.add_argument(
'positional', nargs='*',
help='output.json from shards.')
args = parser.parse_args(argv)
if args.verbose:
logging_level = logging.DEBUG
else:
logging_level = logging.INFO
configure_logging(logging_level=logging_level)
# Map the isolate arguments back to our output / input arguments.
if args.output_json:
logging.info('Running with isolated arguments')
assert args.positional
# TODO(tansell): Once removed everywhere, these lines can be removed.
# For now we just check nobody is supply arguments we didn't expect.
if args.results_json_override_with_build_property:
for result_key, build_prop_key in args.results_json_override_with_build_property:
assert (result_key, build_prop_key) in RESULTS_JSON_VALUE_OVERRIDE_WITH_BUILD_PROPERTY, (
"%s not in %s" % (result_key, RESULTS_JSON_VALUE_OVERRIDE_WITH_BUILD_PROPERTY))
if not args.output_directory:
args.output_directory = os.getcwd()
args.allow_existing_output_directory = True
args.remove_existing_output_directory = True
assert not args.input_directories
args.input_directories = [os.path.dirname(f) for f in args.positional]
args.positional = []
# Allow skipping the --input-directories bit, for example,
# merge-layout-test-results -o outputdir shard0 shard1 shard2
if args.positional and not args.input_directories:
args.input_directories = args.positional
if not args.output_directory:
args.output_directory = tempfile.mkdtemp(suffix='webkit_layout_test_results.')
assert args.output_directory
assert args.input_directories
results_json_value_overrides = {}
if args.build_properties:
build_properties = json.loads(args.build_properties)
for result_key, build_prop_key in RESULTS_JSON_VALUE_OVERRIDE_WITH_BUILD_PROPERTY:
if build_prop_key not in build_properties:
logging.warn('Required build property key "%s" was not found!', build_prop_key)
continue
results_json_value_overrides[result_key] = build_properties[build_prop_key]
logging.debug('results_json_value_overrides: %r', results_json_value_overrides)
merger = merge_results.LayoutTestDirMerger(
results_json_value_overrides=results_json_value_overrides,
results_json_allow_unknown_if_matching=args.results_json_allow_unknown_if_matching)
ensure_empty_dir(
FileSystem(),
args.output_directory,
allow_existing=args.allow_existing_output_directory,
remove_existing=args.remove_existing_output_directory)
merger.merge(args.output_directory, args.input_directories)
merged_output_json = os.path.join(args.output_directory, 'output.json')
if os.path.exists(merged_output_json) and args.output_json:
logging.debug(
'Copying output.json from %s to %s', merged_output_json, args.output_json)
shutil.copyfile(merged_output_json, args.output_json)
if args.post_merge_script:
logging.debug('Changing directory to %s', args.output_directory)
os.chdir(args.output_directory)
post_script = list(args.post_merge_script)
post_script.append('--result-dir', args.output_directory)
logging.info('Running post merge script %r', post_script)
os.execlp(post_script)
main(sys.argv[1:])