Disabling policy retrieval for pci opt
[optf/osdf.git] / osdf / optimizers / pciopt / pci_opt_processor.py
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2 #   Copyright (c) 2018 AT&T Intellectual Property
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11 #   distributed under the License is distributed on an "AS IS" BASIS,
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13 #   See the License for the specific language governing permissions and
14 #   limitations under the License.
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16 # -------------------------------------------------------------------------
17 #
18
19 import traceback
20 from requests import RequestException
21
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
28
29 """
30 This application generates PCI Optimization API calls using the information received from PCI-Handler-MS, SDN-C
31 and Policy.
32 """
33
34
35 def process_pci_optimation(request_json, osdf_config, flat_policies):
36     """
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
42     """
43     try:
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
48         pci_response = get_solutions(cell_info_list, network_cell_info, request_json)
49
50         metrics_log.info(MH.inside_worker_thread(req_id))
51     except Exception as err:
52         error_log.error("Error for {} {}".format(req_id, traceback.format_exc()))
53
54         try:
55             body = build_json_error_body(err)
56             metrics_log.info(MH.sending_response(req_id, "ERROR"))
57             rc.request(json=body, noresponse=True)
58         except RequestException:
59             error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
60         return
61
62     try:
63         metrics_log.info(MH.calling_back_with_body(req_id, rc.url, pci_response))
64         rc.request(json=pci_response, noresponse=True)
65     except RequestException:  # can't do much here but log it and move on
66         error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
67
68
69 def get_solutions(cell_info_list, network_cell_info, request_json):
70     return {
71         "transactionId": request_json['requestInfo']['transactionId'],
72         "requestId": request_json["requestInfo"]["requestId"],
73         "requestStatus": "completed",
74         "statusMessage": "success",
75         "solutions": [
76             {
77                 'networkId': request_json['cellInfo']['networkId'],
78                 'pciSolutions': build_solution_list(cell_info_list, network_cell_info, request_json)
79             }
80         ]
81     }
82
83
84 def build_solution_list(cell_info_list, network_cell_info, request_json):
85     solution_list = []
86     for cell in request_json['cellInfo']['cellIdList']:
87         opt_solution = optimize(cell, network_cell_info, cell_info_list)
88         sol = opt_solution[0]['pci']
89         for k, v in sol.items():
90             response = {
91                 'cellId': get_cell_id(network_cell_info, k),
92                 'pci': get_pci_value(network_cell_info, v)
93             }
94             solution_list.append(response)
95     return solution_list