diff options
Diffstat (limited to 'apps/slice_selection')
-rw-r--r-- | apps/slice_selection/optimizers/conductor/remote_opt_processor.py | 45 | ||||
-rw-r--r-- | apps/slice_selection/optimizers/conductor/response_processor.py | 39 |
2 files changed, 58 insertions, 26 deletions
diff --git a/apps/slice_selection/optimizers/conductor/remote_opt_processor.py b/apps/slice_selection/optimizers/conductor/remote_opt_processor.py index edad9ba..b34c8b1 100644 --- a/apps/slice_selection/optimizers/conductor/remote_opt_processor.py +++ b/apps/slice_selection/optimizers/conductor/remote_opt_processor.py @@ -25,7 +25,7 @@ import traceback from requests import RequestException from apps.slice_selection.optimizers.conductor.response_processor \ - import conductor_response_processor, conductor_error_response_processor + import conductor_response_processor, conductor_error_response_processor, solution_with_only_slice_profile, get_nsi_selection_response from osdf.adapters.conductor import conductor from osdf.adapters.policy.interface import get_policies from osdf.adapters.policy.utils import group_policies_gen @@ -46,29 +46,40 @@ def process_nsi_selection_opt(request_json, osdf_config): overall_recommendations = dict() nst_info_map = dict() + new_nsi_solutions = list() for nst_info in request_json["NSTInfoList"]: nst_name = nst_info["modelName"] - nst_info_map["nst_name"] = {"NSTName": nst_name, - "UUID": nst_info["modelVersionId"], - "invariantUUID": nst_info["modelInvariantId"]} + nst_info_map[nst_name] = {"NSTName": nst_name, + "UUID": nst_info["modelVersionId"], + "invariantUUID": nst_info["modelInvariantId"]} - policy_request_json = request_json.copy() - policy_request_json['serviceInfo']['serviceName'] = nst_name + if request_json["serviceProfile"]["resourceSharingLevel"] == "non-shared": + new_nsi_solution = solution_with_only_slice_profile(request_json['serviceProfile'], nst_info_map.get(nst_name)) + new_nsi_solutions.append(new_nsi_solution) + else: + policy_request_json = request_json.copy() + policy_request_json['serviceInfo']['serviceName'] = nst_name + policies = get_policies(policy_request_json, "slice_selection") - policies = get_policies(policy_request_json, "slice_selection") + demands = get_slice_demands(nst_name, policies, osdf_config.core) - demands = get_slice_demands(nst_name, policies, osdf_config.core) - - request_parameters = request_json.get('serviceProfile',{}) - service_info = {} - req_info['numSolutions'] = 'all' - resp = conductor.request(req_info, demands, request_parameters, service_info, False, + request_parameters = request_json.get('serviceProfile',{}) + service_info = {} + req_info['numSolutions'] = 'all' + resp = conductor.request(req_info, demands, request_parameters, service_info, False, osdf_config, policies) - debug_log.debug("Response from conductor {}".format(str(resp))) - overall_recommendations[nst_name] = resp["plans"][0].get("recommendations") - - return conductor_response_processor(overall_recommendations, nst_info_map, req_info) + if resp["plans"][0].get("status") == "not found": + resp["recommendations"] = list() + debug_log.debug("Response from conductor {}".format(str(resp))) + overall_recommendations[nst_name] = resp["plans"][0].get("recommendations") + if request_json["serviceProfile"]["resourceSharingLevel"] == "non-shared": + solutions = dict() + solutions['newNSISolutions'] = new_nsi_solutions + solutions['sharedNSISolutions'] = [] + return get_nsi_selection_response(req_info, solutions) + else: + return conductor_response_processor(overall_recommendations, nst_info_map, req_info, request_json["serviceProfile"]) except Exception as ex: error_log.error("Error for {} {}".format(req_info.get('requestId'), traceback.format_exc())) diff --git a/apps/slice_selection/optimizers/conductor/response_processor.py b/apps/slice_selection/optimizers/conductor/response_processor.py index c175c1a..9b57092 100644 --- a/apps/slice_selection/optimizers/conductor/response_processor.py +++ b/apps/slice_selection/optimizers/conductor/response_processor.py @@ -23,15 +23,15 @@ Module for processing response from conductor for slice selection from osdf.logging.osdf_logging import debug_log -SLICE_PROFILE_FIELDS = ["latency", "max_number_of_ues", "coverage_area_ta_list", - "ue_mobility_level", "resource_sharing_level", "exp_data_rate_ul", - "exp_data_rate_dl", "area_traffic_cap_ul", "area_traffic_cap_dl", - "activity_factor", "e2e_latency", "jitter", "survival_time", - "exp_data_rate", "payload_size", "traffic_density", "conn_density", - "reliability", "service_area_dimension", "cs_availability"] +SLICE_PROFILE_FIELDS = {"latency":"latency", "max_number_of_ues":"maxNumberOfUEs", "coverage_area_ta_list": "coverageAreaTAList", + "ue_mobility_level":"uEMobilityLevel", "resource_sharing_level":"resourceSharingLevel", "exp_data_rate_ul": "expDataRateUL", + "exp_data_rate_dl":"expDataRateDL", "area_traffic_cap_ul":"areaTrafficCapUL", "area_traffic_cap_dl": "areaTrafficCapDL", + "activity_factor":"activityFactor", "e2e_latency":"e2eLatency", "jitter":"jitter", "survival_time": "survivalTime", + "exp_data_rate":"expDataRate", "payload_size":"payloadSize", "traffic_density":"trafficDensity", "conn_density":"connDensity", + "reliability":"reliability", "service_area_dimension":"serviceAreaDimension", "cs_availability": "csAvailability"} -def conductor_response_processor(overall_recommendations, nst_info_map, request_info): +def conductor_response_processor(overall_recommendations, nst_info_map, request_info, service_profile): """Process conductor response to form the response for the API request :param overall_recommendations: recommendations from conductor :param nst_info_map: NST info from the request @@ -40,8 +40,12 @@ def conductor_response_processor(overall_recommendations, nst_info_map, request_ """ shared_nsi_solutions = list() new_nsi_solutions = list() - for nst_name, recommendations in overall_recommendations.items(): + if not (recommendations): + new_nsi_solution = solution_with_only_slice_profile(service_profile, nst_info_map.get(nst_name)) + new_nsi_solutions.append(new_nsi_solution) + continue + for recommendation in recommendations: nsi_set = set(values['candidate']['nsi_id'] for key, values in recommendation.items()) if len(nsi_set) == 1: @@ -82,6 +86,14 @@ def conductor_response_processor(overall_recommendations, nst_info_map, request_ return get_nsi_selection_response(request_info, solutions) +def solution_with_only_slice_profile(service_profile, nst_info): + nssi_solutions = get_slice_profile_from_service_profile(service_profile) + new_nsi_solution = dict() + new_nsi_solution['matchLevel'] = "" + new_nsi_solution['NSTInfo'] = nst_info + new_nsi_solution['NSSISolutions'] = nssi_solutions + return new_nsi_solution + def conductor_error_response_processor(request_info, error_message): """Form response message from the error message :param request_info: request info @@ -94,6 +106,14 @@ def conductor_error_response_processor(request_info, error_message): 'statusMessage': error_message} +def get_slice_profile_from_service_profile(service_profile): + nssi_solutions = list() + service_profile["domainType"] = "cn" + nssi_solution = {"sliceProfile": service_profile} + nssi_solutions.append(nssi_solution) + return nssi_solutions + + def get_nssi_solutions(recommendation): """Get nssi solutions from recommendation :param recommendation: recommendation from conductor @@ -123,7 +143,7 @@ def get_solution_from_candidate(candidate): for field in SLICE_PROFILE_FIELDS: if candidate[field]: - slice_profile[field] = candidate[field] + slice_profile[SLICE_PROFILE_FIELDS[field]] = candidate[field] return nssi_info, slice_profile @@ -139,3 +159,4 @@ def get_nsi_selection_response(request_info, solutions): 'requestStatus': 'completed', 'statusMessage': '', 'solutions': solutions} + |