# Copyright 2020 Google LLC
#
# 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.
"""Self-defined worker module."""
import time

import redis
import rq


def main():
    """Sets up Redis connection and starts the worker."""
    redis_connection = redis.Redis(host='queue-server')
    with rq.Connection(redis_connection):
        queue = rq.Queue('build_n_run_queue')
        worker = rq.Worker([queue])

        while queue.count + queue.deferred_job_registry.count > 0:
            worker.work(burst=True)
            time.sleep(5)


if __name__ == '__main__':
    main()
