From 276119f2d54b2e8f49b8595ecfcc6545aeb77fef Mon Sep 17 00:00:00 2001
From: "Varma, Vikas" <vv8305@att.com>
Date: Wed, 19 Sep 2018 00:39:03 -0400
Subject: Initial checkin for pci optimization code

Change-Id: I6fe8ad471f8ad68a964664b910f02bd8a9766639
Signed-off-by: Varma, Vikas <vv8305@att.com>
Issue-ID: OPTFRA-342
---
 osdf/optimizers/pciopt/pci_opt_processor.py | 84 +++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 osdf/optimizers/pciopt/pci_opt_processor.py

(limited to 'osdf/optimizers/pciopt/pci_opt_processor.py')

diff --git a/osdf/optimizers/pciopt/pci_opt_processor.py b/osdf/optimizers/pciopt/pci_opt_processor.py
new file mode 100644
index 0000000..030128e
--- /dev/null
+++ b/osdf/optimizers/pciopt/pci_opt_processor.py
@@ -0,0 +1,84 @@
+# -------------------------------------------------------------------------
+#   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 requests import RequestException
+
+from osdf.logging.osdf_logging import metrics_log, MH, error_log
+from osdf.models.api.pciOptimizationResponse import PCIOptimizationResponse, Solution, PCISolution
+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
+
+"""
+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:
+        rc = get_rest_client(request_json, service="pcih")
+        req_id = request_json["requestInfo"]["requestId"]
+        transaction_id = request_json['requestInfo']['transactionId']
+        cell_info_list, network_cell_info = config_request(request_json, osdf_config, flat_policies)
+
+        pci_response = PCIOptimizationResponse()
+        pci_response.transactionId = transaction_id
+        pci_response.requestId = req_id
+        pci_response.requestStatus = 'success'
+        pci_response.solutions = Solution()
+        pci_response.solutions.networkId = request_json['cellInfo']['networkId']
+        pci_response.solutions.pciSolutions = []
+
+        for cell in request_json['cellInfo']['cellIdList']:
+            pci_solution = optimize(cell['cellId'], network_cell_info, cell_info_list)
+            error_log.error(pci_solution)
+            sol = pci_solution[0]['pci']
+            for k, v in sol.items():
+                response = PCISolution()
+                response.cellId = get_cell_id(network_cell_info, k)
+                response.pci = get_pci_value(network_cell_info, v)
+                pci_response.solutions.pciSolutions.append(response)
+
+        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:
+            error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
+        return
+
+    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()))
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