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# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
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#
# 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
import signal
import sys
import threading
from prometheus_client import start_http_server
from common.Constants import (DEFAULT_GRPC_GRACE_PERIOD,
DEFAULT_GRPC_MAX_WORKERS, ServiceNameEnum)
from common.Settings import (ENVVAR_SUFIX_SERVICE_HOST,
ENVVAR_SUFIX_SERVICE_PORT_GRPC, get_env_var_name,
get_log_level, get_metrics_port, get_setting,
wait_for_environment_variables)
from opticalattackdetector.client.OpticalAttackDetectorClient import \
OpticalAttackDetectorClient
from opticalattackdetector.Config import GRPC_SERVICE_PORT
from opticalattackdetector.service.OpticalAttackDetectorService import \
OpticalAttackDetectorService
terminate = threading.Event()
LOGGER = None
client: OpticalAttackDetectorClient = None
def signal_handler(signal, frame): # pylint: disable=redefined-outer-name
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.DBSCANSERVING, ENVVAR_SUFIX_SERVICE_HOST),
get_env_var_name(
ServiceNameEnum.DBSCANSERVING, ENVVAR_SUFIX_SERVICE_PORT_GRPC
),
]
)
wait_for_environment_variables(
[
get_env_var_name(
ServiceNameEnum.OPTICALATTACKMITIGATOR, ENVVAR_SUFIX_SERVICE_HOST
),
get_env_var_name(
ServiceNameEnum.OPTICALATTACKMITIGATOR, ENVVAR_SUFIX_SERVICE_PORT_GRPC
),
]
)
service_port = get_setting(
"OPTICALATTACKDETECTORSERVICE_SERVICE_PORT_GRPC", default=GRPC_SERVICE_PORT
)
max_workers = get_setting("MAX_WORKERS", default=DEFAULT_GRPC_MAX_WORKERS)
grace_period = get_setting("GRACE_PERIOD", default=DEFAULT_GRPC_GRACE_PERIOD)
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
LOGGER.info("Starting...")
# Start metrics server
metrics_port = get_metrics_port()
start_http_server(metrics_port) # TODO: make sure this is uncommented
# Starting CentralizedCybersecurity service
grpc_service = OpticalAttackDetectorService(
port=service_port, max_workers=max_workers, grace_period=grace_period
)
grpc_service.start()
# Wait for Ctrl+C or termination signal
while not terminate.wait(timeout=0.1):
pass
LOGGER.info("Terminating...")
grpc_service.stop()
LOGGER.info("Bye")
return 0
if __name__ == "__main__":
sys.exit(main())