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authorvrvarma <vv8305@att.com>2019-12-13 10:24:55 -0500
committervrvarma <vv8305@att.com>2019-12-13 10:29:45 -0500
commit430153e1a9489a86cf0ff7942eceb0bf5f1c170c (patch)
treeb22090b80d11761a24d9cbeaa6348704cce2de83 /apps/pci/optimizers/pci_opt_processor.py
parent34ba229b31758c38a299a163de0007848b5921be (diff)
osdf rearchitecture into apps and libs
Change-Id: I2db2f8e252bd5e60807b2ffabf5a5b193a789f7a Signed-off-by: vrvarma <vv8305@att.com> Issue-ID: OPTFRA-637
Diffstat (limited to 'apps/pci/optimizers/pci_opt_processor.py')
-rw-r--r--apps/pci/optimizers/pci_opt_processor.py123
1 files changed, 123 insertions, 0 deletions
diff --git a/apps/pci/optimizers/pci_opt_processor.py b/apps/pci/optimizers/pci_opt_processor.py
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+++ b/apps/pci/optimizers/pci_opt_processor.py
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+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+import traceback
+
+from onaplogging.mdcContext import MDC
+from requests import RequestException
+
+from osdf.logging.osdf_logging import metrics_log, MH, error_log
+from osdf.operation.error_handling import build_json_error_body
+from osdf.utils.interfaces import get_rest_client
+from .configdb import request as config_request
+from .solver.optimizer import pci_optimize as optimize
+from .solver.pci_utils import get_cell_id, get_pci_value
+from osdf.utils.mdc_utils import mdc_from_json
+
+"""
+This application generates PCI Optimization API calls using the information received from PCI-Handler-MS, SDN-C
+and Policy.
+"""
+
+
+def process_pci_optimation(request_json, osdf_config, flat_policies):
+ """
+ Process a PCI request from a Client (build config-db, policy and API call, make the call, return result)
+ :param req_object: Request parameters from the client
+ :param osdf_config: Configuration specific to OSDF application (core + deployment)
+ :param flat_policies: policies related to pci (fetched based on request)
+ :return: response from PCI Opt
+ """
+ try:
+ mdc_from_json(request_json)
+ rc = get_rest_client(request_json, service="pcih")
+ req_id = request_json["requestInfo"]["requestId"]
+ cell_info_list, network_cell_info = config_request(request_json, osdf_config, flat_policies)
+ pci_response = get_solutions(cell_info_list, network_cell_info, request_json)
+
+ metrics_log.info(MH.inside_worker_thread(req_id))
+ except Exception as err:
+ error_log.error("Error for {} {}".format(req_id, traceback.format_exc()))
+
+ try:
+ body = build_json_error_body(err)
+ metrics_log.info(MH.sending_response(req_id, "ERROR"))
+ rc.request(json=body, noresponse=True)
+ except RequestException as err:
+ MDC.put('requestID',req_id)
+ error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
+ raise err
+
+
+ try:
+ metrics_log.info(MH.calling_back_with_body(req_id, rc.url, pci_response))
+ rc.request(json=pci_response, noresponse=True)
+ except RequestException: # can't do much here but log it and move on
+ error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
+
+
+def get_solutions(cell_info_list, network_cell_info, request_json):
+ status, pci_solutions, anr_solutions = build_solution_list(cell_info_list, network_cell_info, request_json)
+ return {
+ "transactionId": request_json['requestInfo']['transactionId'],
+ "requestId": request_json["requestInfo"]["requestId"],
+ "requestStatus": "completed",
+ "statusMessage": status,
+ "solutions": {
+ 'networkId': request_json['cellInfo']['networkId'],
+ 'pciSolutions': pci_solutions,
+ 'anrSolutions': anr_solutions
+ }
+ }
+
+
+def build_solution_list(cell_info_list, network_cell_info, request_json):
+ status = "success"
+ req_id = request_json["requestInfo"]["requestId"]
+ try:
+ opt_solution = optimize(network_cell_info, cell_info_list, request_json)
+ pci_solutions = build_pci_solution(network_cell_info, opt_solution['pci'])
+ anr_solutions = build_anr_solution(network_cell_info, opt_solution.get('removables', {}))
+ except RuntimeError:
+ error_log.error("Failed finding solution for {} {}".format(req_id, traceback.format_exc()))
+ status = "failed"
+ return status, pci_solutions, anr_solutions
+
+
+def build_pci_solution(network_cell_info, pci_solution):
+ pci_solutions = []
+ for k, v in pci_solution.items():
+ old_pci = get_pci_value(network_cell_info, k)
+ if old_pci != v:
+ response = {
+ 'cellId': get_cell_id(network_cell_info, k),
+ 'pci': v
+ }
+ pci_solutions.append(response)
+ return pci_solutions
+
+
+def build_anr_solution(network_cell_info, removables):
+ anr_solutions = []
+ for k, v in removables.items():
+ response = {
+ 'cellId': get_cell_id(network_cell_info, k),
+ 'removeableNeighbors': list(map(lambda x: get_cell_id(network_cell_info, x), v))
+ }
+ anr_solutions.append(response)
+ return anr_solutions