Integration of TE component

Integration of TE component, documentation, and test cases

src/service/service/ServiceServiceServicerImpl.py

@@ -192,7 +192,7 @@ class ServiceServiceServicerImpl(ServiceServiceServicer):
             context_client, service_id_with_uuids, rw_copy=False,
             include_config_rules=True, include_constraints=True, include_endpoint_ids=True)
 
-        num_disjoint_paths = None
+        num_disjoint_paths = 0
         for constraint in request.service_constraints:
             if constraint.WhichOneof('constraint') == 'sla_availability':
                 num_disjoint_paths = constraint.sla_availability.num_disjoint_paths
@@ -211,18 +211,18 @@ class ServiceServiceServicerImpl(ServiceServiceServicer):
             else:
                 pathcomp_request.k_disjoint_path.num_disjoint = num_disjoint_paths  # pylint: disable=no-member
 
-            LOGGER.info('pathcomp_request={:s}'.format(grpc_message_to_json_string(pathcomp_request)))
+            LOGGER.debug('pathcomp_request={:s}'.format(grpc_message_to_json_string(pathcomp_request)))
             pathcomp = PathCompClient()
             pathcomp_reply = pathcomp.Compute(pathcomp_request)
             pathcomp.close()
-            LOGGER.info('pathcomp_reply={:s}'.format(grpc_message_to_json_string(pathcomp_reply)))
+            LOGGER.debug('pathcomp_reply={:s}'.format(grpc_message_to_json_string(pathcomp_reply)))
 
             # Feed TaskScheduler with this path computation reply. TaskScheduler identifies inter-dependencies among
             # the services and connections retrieved and produces a schedule of tasks (an ordered list of tasks to be
             # executed) to implement the requested create/update operation.
             tasks_scheduler.compose_from_pathcompreply(pathcomp_reply, is_delete=False)
-            tasks_scheduler.execute_all()
 
+        tasks_scheduler.execute_all()
         return service_with_uuids.service_id
 
     @safe_and_metered_rpc_method(METRICS_POOL, LOGGER)