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# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (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, time
from prometheus_client import start_http_server
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, get_metrics_port,
wait_for_environment_variables)
from context.client.ContextClient import ContextClient
from .tools.DiscoveredDBManager import DiscoveredDBManager
from .BgplsService import BgplsService
from .tools.JavaRunner import JavaRunner
from .tools.GrpcServer import GrpcServer
terminate = threading.Event()
LOGGER : logging.Logger = None
_ONE_DAY_IN_SECONDS = 60 * 60 * 24
def signal_handler(signal, frame):
LOGGER.warning('Terminate signal received')
LOGGER.warning(signal)
terminate.set()
def main():
global LOGGER
log_level = get_log_level()
logging.basicConfig(level=log_level, format="[%(asctime)s] %(levelname)s:%(name)s:%(message)s")
LOGGER = logging.getLogger(__name__)
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)
# One common database for all bgpls_speakers connection
DB=DiscoveredDBManager()
speaker_server = GrpcServer(DB)
speaker_server.Connect()
grpc_service = BgplsService(DB,speaker_server)
grpc_service.start()
# Wait for termination signal
while not terminate.wait(timeout=0.1): pass
LOGGER.info('Terminating...')
speaker_server.terminateGrpcServer()
grpc_service.stop()
LOGGER.info('Bye')
return 0
if __name__ == '__main__':
sys.exit(main())