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import os, logging, signal, sys, time, threading, multiprocessing
from prometheus_client import start_http_server
from common.Settings import get_setting
from dbscanserving.Config import (
GRPC_SERVICE_PORT, GRPC_MAX_WORKERS, GRPC_GRACE_PERIOD, LOG_LEVEL, METRICS_PORT)
from dbscanserving.service.DbscanService import DbscanService
terminate = threading.Event()
LOGGER = 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
service_port = get_setting('DBSCANSERVICE_SERVICE_PORT_GRPC', default=GRPC_SERVICE_PORT)
max_workers = get_setting('MAX_WORKERS', default=GRPC_MAX_WORKERS )
grace_period = get_setting('GRACE_PERIOD', default=GRPC_GRACE_PERIOD)
log_level = get_setting('LOG_LEVEL', default=LOG_LEVEL )
metrics_port = get_setting('METRICS_PORT', default=METRICS_PORT )
logging.basicConfig(level=log_level)
LOGGER = logging.getLogger(__name__)
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
LOGGER.info('Starting...')
# Start metrics server
start_http_server(metrics_port)
# Starting CentralizedCybersecurity service
grpc_service = DbscanService(
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())