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.models.api.pciOptimizationResponse import PCIOptimizationResponse, Solution, PCISolution
24 from osdf.operation.error_handling import build_json_error_body
25 from osdf.utils.interfaces import get_rest_client
26 from .configdb import request as config_request
27 from .solver.optimizer import pci_optimize as optimize
28 from .solver.pci_utils import get_cell_id, get_pci_value
31 This application generates PCI Optimization API calls using the information received from PCI-Handler-MS, SDN-C
36 def process_pci_optimation(request_json, osdf_config, flat_policies):
38 Process a PCI request from a Client (build config-db, policy and API call, make the call, return result)
39 :param req_object: Request parameters from the client
40 :param osdf_config: Configuration specific to OSDF application (core + deployment)
41 :param flat_policies: policies related to pci (fetched based on request)
42 :return: response from PCI Opt
45 rc = get_rest_client(request_json, service="pcih")
46 req_id = request_json["requestInfo"]["requestId"]
47 transaction_id = request_json['requestInfo']['transactionId']
48 cell_info_list, network_cell_info = config_request(request_json, osdf_config, flat_policies)
50 pci_response = PCIOptimizationResponse()
51 pci_response.transactionId = transaction_id
52 pci_response.requestId = req_id
53 pci_response.requestStatus = 'success'
54 pci_response.solutions = Solution()
55 pci_response.solutions.networkId = request_json['cellInfo']['networkId']
56 pci_response.solutions.pciSolutions = []
58 for cell in request_json['cellInfo']['cellIdList']:
59 pci_solution = optimize(cell['cellId'], network_cell_info, cell_info_list)
60 error_log.error(pci_solution)
61 sol = pci_solution[0]['pci']
62 for k, v in sol.items():
63 response = PCISolution()
64 response.cellId = get_cell_id(network_cell_info, k)
65 response.pci = get_pci_value(network_cell_info, v)
66 pci_response.solutions.pciSolutions.append(response)
68 metrics_log.info(MH.inside_worker_thread(req_id))
69 except Exception as err:
70 error_log.error("Error for {} {}".format(req_id, traceback.format_exc()))
73 body = build_json_error_body(err)
74 metrics_log.info(MH.sending_response(req_id, "ERROR"))
75 rc.request(json=body, noresponse=True)
76 except RequestException:
77 error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
81 metrics_log.info(MH.calling_back_with_body(req_id, rc.url, pci_response))
82 rc.request(json=pci_response, noresponse=True)
83 except RequestException: # can't do much here but log it and move on
84 error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))