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# Copyright 2016 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Script to generate toolchain configs for all config types and containers."""
from __future__ import print_function
import argparse
import sys
# Do not generate .pyc files.
sys.dont_write_bytecode = True
import bazelrc
import cc.create_artifacts as cc_create
import cc.execute_targets as cc_execute
from config import ContainerConfigs
import toolchain_flags
from util import get_git_root
CONFIG_TYPES = ["default", "msan"]
# Define path constants.
GIT_ROOT = get_git_root()
def _get_container_configs_list(bazel_version):
"""Gets the list of container configs to generate.
Args:
bazel_version: string, the version of Bazel used to generate configs.
Returns:
A list of ContainerConfigs objects corresponding to the configs to generate.
"""
debian8_clang_configs = ContainerConfigs(
distro="debian8",
version="0.4.0",
image="gcr.io/cloud-marketplace/google/clang-debian8",
package="configs/debian8_clang",
config_types=CONFIG_TYPES,
platform_target="rbe_debian8",
git_root=GIT_ROOT,
bazel_version=bazel_version)
ubuntu16_04_clang_configs = ContainerConfigs(
distro="ubuntu16_04",
version="1.1",
image="gcr.io/cloud-marketplace/google/clang-ubuntu",
package="configs/ubuntu16_04_clang",
config_types=CONFIG_TYPES,
platform_target="rbe_ubuntu1604",
git_root=GIT_ROOT,
bazel_version=bazel_version)
return [debian8_clang_configs, ubuntu16_04_clang_configs]
def _parse_arguments():
"""Parses command line arguments for the script.
Returns:
args object containing the arguments
"""
parser = argparse.ArgumentParser()
parser.add_argument(
"-b",
"--bazel_version",
required=True,
help="the version of Bazel used to generate toolchain configs")
return parser.parse_args()
def main(bazel_version):
"""Main function.
Examples of usage:
python release/config_release.py -b 0.15.0
Args:
bazel_version: string, the version of Bazel used to generate the configs.
"""
# Get current supported list of container configs to generate.
container_configs_list = _get_container_configs_list(bazel_version)
# Only create the new target in the BUILD file if it does not exist.
cc_create.create_targets(container_configs_list, bazel_version)
# Execute the target and extract toolchain configs.
cc_execute.execute_and_extract_configs(container_configs_list, bazel_version)
# Generate METADATA file.
cc_create.generate_metadata(container_configs_list)
# Generate new cpp toolchain definition targets.
cc_create.generate_toolchain_definition(container_configs_list, bazel_version)
# Update toolchain.bazelrc file.
toolchain_flags.update_toolchain_bazelrc_file(container_configs_list,
bazel_version)
# Create sample .bazelrc file and update latest.bazelrc symlink.
bazelrc.create_bazelrc_and_update_link(bazel_version)
if __name__ == "__main__":
args = _parse_arguments()
main(args.bazel_version)