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# Copyright 2022-2024 ETSI SDG TeraFlowSDN (TFS) (https://tfs.etsi.org/)
#
# 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 logging, signal, sys, threading
from common.Constants import ServiceNameEnum
from common.Settings import (
ENVVAR_SUFIX_SERVICE_HOST, ENVVAR_SUFIX_SERVICE_PORT_GRPC,
get_env_var_name, get_log_level,
wait_for_environment_variables
)
from .OsmClientService import OsmClientService
terminate = threading.Event()
LOGGER = None
def signal_handler(signal, frame): # pylint: disable=redefined-outer-name, unused-argument
LOGGER.warning('Terminate signal received')
terminate.set()
def main():
global LOGGER # pylint: disable=global-statement
log_level = get_log_level()
logging.basicConfig(level=log_level)
LOGGER = logging.getLogger(__name__)
wait_for_environment_variables([
get_env_var_name(ServiceNameEnum.CONTEXT, ENVVAR_SUFIX_SERVICE_HOST ),
get_env_var_name(ServiceNameEnum.CONTEXT, ENVVAR_SUFIX_SERVICE_PORT_GRPC),
get_env_var_name(ServiceNameEnum.DEVICE, ENVVAR_SUFIX_SERVICE_HOST ),
get_env_var_name(ServiceNameEnum.DEVICE, ENVVAR_SUFIX_SERVICE_PORT_GRPC),
get_env_var_name(ServiceNameEnum.SERVICE, ENVVAR_SUFIX_SERVICE_HOST ),
get_env_var_name(ServiceNameEnum.SERVICE, ENVVAR_SUFIX_SERVICE_PORT_GRPC),
])
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
LOGGER.info('Starting...')
# Starting OsmClient service
grpc_service = OsmClientService()
grpc_service.start()
LOGGER.debug('Configured Rules:')
# Wait for Ctrl+C or termination signal
while not terminate.wait(timeout=1.0): pass
LOGGER.info('Terminating...')
grpc_service.stop()
LOGGER.info('Bye')
return 0
if __name__ == '__main__':
sys.exit(main())