blob: 46cb3af258ec9908a5017282d9de5927bcc6982c [file] [log] [blame]
#!/usr/bin/env python3
#
# Copyright 2022 The Dawn & Tint Authors
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import argparse
import tarfile
import datetime
import os
import subprocess
import sys
import tempfile
script_root = os.path.dirname(os.path.abspath(sys.argv[0]))
dawn_root = os.path.abspath(os.path.join(script_root, "../.."))
build_dir = os.path.join(dawn_root, 'build')
if not os.path.isfile(os.path.join(build_dir, "find_depot_tools.py")):
# try chromium path
build_dir = os.path.abspath(os.path.join(dawn_root, "../../build"))
if not os.path.isfile(os.path.join(build_dir, "find_depot_tools.py")):
raise SystemExit('could not find build directory')
sys.path.insert(0, build_dir)
import find_depot_tools
bucket = 'dawn-webgpu-cts-cache'
def cts_hash():
deps_path = os.path.join(script_root, '../../third_party/webgpu-cts')
hash = subprocess.check_output(['git', 'rev-parse', 'HEAD'], cwd=deps_path)
return hash.decode('UTF-8').strip('\n')
def download_from_bucket(name, dst):
gsutil = os.path.join(find_depot_tools.DEPOT_TOOLS_PATH, 'gsutil.py')
try:
cmd = subprocess.run(
['python3', gsutil, 'cp', 'gs://{}/{}'.format(bucket, name), dst],
cwd=script_root,
check=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as ex:
output = ex.stdout.decode('utf-8')
print('gsutil.py cp failed: {}'.format(output), file=sys.stderr)
raise
def gen_cache(out_dir):
# Obtain the current hash of the CTS repo
hash = cts_hash()
# Download the cache.tar.gz compressed data from the GCP bucket
tmpDir = tempfile.TemporaryDirectory()
cacheTarPath = os.path.join(tmpDir.name, 'cache.tar.gz')
download_from_bucket(hash + "/data", cacheTarPath)
# Extract the cache.tar.gz into out_dir
tar = tarfile.open(cacheTarPath)
tar.extractall(out_dir)
# Update timestamps
now = datetime.datetime.now().timestamp()
for name in tar.getnames():
path = os.path.join(out_dir, name)
os.utime(path, (now, now))
tar.close()
# Extract the cache for CTS runs.
if __name__ == '__main__':
parser = argparse.ArgumentParser()
# TODO(bclayton): Unused. Remove
parser.add_argument('js_script', help='Path to gen_cache.js')
parser.add_argument('out_dir', help='Output directory for the cache')
args = parser.parse_args()
gen_cache(args.out_dir)