MatrixSynapse/synapse/_scripts/generate_log_config.py

#!/usr/bin/env python3

# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# 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.

import argparse
import sys

from synapse.config.logger import DEFAULT_LOG_CONFIG


def main() -> None:
    parser = argparse.ArgumentParser()

    parser.add_argument(
        "-o",
        "--output-file",
        type=argparse.FileType("w"),
        default=sys.stdout,
        help="File to write the configuration to. Default: stdout",
    )

    parser.add_argument(
        "-f",
        "--log-file",
        type=str,
        default="/var/log/matrix-synapse/homeserver.log",
        help="name of the log file",
    )

    args = parser.parse_args()
    out = args.output_file
    out.write(DEFAULT_LOG_CONFIG.substitute(log_file=args.log_file))
    out.flush()


if __name__ == "__main__":
    main()