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# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# 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.
from prometheus_client import start_http_server
from common.Settings import get_log_level, get_metrics_port, get_setting
from common.orm.Database import Database
from common.orm.Factory import get_database_backend
from common.message_broker.Factory import get_messagebroker_backend
from common.message_broker.MessageBroker import MessageBroker
from .grpc_server.ContextService import ContextService
from .rest_server.Resources import RESOURCES
from .Populate import populate
def signal_handler(signal, frame): # pylint: disable=redefined-outer-name
global LOGGER # pylint: disable=global-statement
logging.basicConfig(level=log_level)
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
start_http_server(metrics_port)
# Get database instance
database = Database(get_database_backend())
# Get message broker instance
messagebroker = MessageBroker(get_messagebroker_backend())
grpc_service = ContextService(database, messagebroker)
grpc_service.start()
for endpoint_name, resource_class, resource_url in RESOURCES:
rest_server.add_resource(resource_class, resource_url, endpoint=endpoint_name, resource_class_args=(database,))
rest_server.start()
populate_fake_data = get_setting('POPULATE_FAKE_DATA', default=POPULATE_FAKE_DATA)
if isinstance(populate_fake_data, str): populate_fake_data = (populate_fake_data.upper() in {'T', '1', 'TRUE'})
populate(host='127.0.0.1', port=grpc_service.bind_port)
# Wait for Ctrl+C or termination signal
while not terminate.wait(timeout=0.1): pass
grpc_service.stop()
rest_server.shutdown()
rest_server.join()
return 0
if __name__ == '__main__':
sys.exit(main())