Initial "TelemetryFrontendService" generic file added

src/telemetry_frontend/service/TelemetryFrontendService.py

+# 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.
+
+from common.Constants import ServiceNameEnum
+from common.Settings import get_service_port_grpc
+from monitoring.service.NameMapping import NameMapping
+from common.tools.service.GenericGrpcService import GenericGrpcService
+from common.proto.telemetry_frontend_pb2_grpc import add_TelemetryFrontendServiceServicer_to_server
+from telemetryfrontend.service.TelemetryFrontendServiceServicerImpl import TelemetryFrontendServiceServicerImpl
+
+
+class TelemetryFrontendService(GenericGrpcService):
+    def __init__(self, name_mapping : NameMapping, cls_name: str = __name__) -> None:
+        port = get_service_port_grpc(ServiceNameEnum.TELEMETRYFRONTEND)
+        super().__init__(port, cls_name=cls_name)
+        self.telemetry_frontend_servicer = TelemetryFrontendServiceServicerImpl(name_mapping)
+
+    def install_servicers(self):
+        add_TelemetryFrontendServiceServicer_to_server(self.telemetry_frontend_servicer, self.server)