1 # -------------------------------------------------------------------------
2 # Copyright (c) 2018 AT&T Intellectual Property
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
16 # -------------------------------------------------------------------------
20 from requests import RequestException
22 from osdf.logging.osdf_logging import metrics_log, MH, error_log
23 from osdf.operation.error_handling import build_json_error_body
24 from osdf.utils.interfaces import get_rest_client
25 from .configdb import request as config_request
26 from .solver.optimizer import pci_optimize as optimize
27 from .solver.pci_utils import get_cell_id, get_pci_value
30 This application generates PCI Optimization API calls using the information received from PCI-Handler-MS, SDN-C
35 def process_pci_optimation(request_json, osdf_config, flat_policies):
37 Process a PCI request from a Client (build config-db, policy and API call, make the call, return result)
38 :param req_object: Request parameters from the client
39 :param osdf_config: Configuration specific to OSDF application (core + deployment)
40 :param flat_policies: policies related to pci (fetched based on request)
41 :return: response from PCI Opt
44 rc = get_rest_client(request_json, service="pcih")
45 req_id = request_json["requestInfo"]["requestId"]
46 cell_info_list, network_cell_info = config_request(request_json, osdf_config, flat_policies)
47 pci_response = get_solutions(cell_info_list, network_cell_info, request_json)
49 metrics_log.info(MH.inside_worker_thread(req_id))
50 except Exception as err:
51 error_log.error("Error for {} {}".format(req_id, traceback.format_exc()))
54 body = build_json_error_body(err)
55 metrics_log.info(MH.sending_response(req_id, "ERROR"))
56 rc.request(json=body, noresponse=True)
57 except RequestException:
58 error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
62 metrics_log.info(MH.calling_back_with_body(req_id, rc.url, pci_response))
63 rc.request(json=pci_response, noresponse=True)
64 except RequestException: # can't do much here but log it and move on
65 error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
68 def get_solutions(cell_info_list, network_cell_info, request_json):
70 "transactionId": request_json['requestInfo']['transactionId'],
71 "requestId": request_json["requestInfo"]["requestId"],
72 "requestStatus": "completed",
73 "statusMessage": "success",
76 'networkId': request_json['cellInfo']['networkId'],
77 'pciSolutions': build_solution_list(cell_info_list, network_cell_info, request_json)
83 def build_solution_list(cell_info_list, network_cell_info, request_json):
85 # for cell in request_json['cellInfo']['cellIdList']:
86 opt_solution = optimize(network_cell_info, cell_info_list)
87 sol = opt_solution[0]['pci']
88 for k, v in sol.items():
90 'cellId': get_cell_id(network_cell_info, k),
91 'pci': get_pci_value(network_cell_info, v)
93 solution_list.append(response)