lcm/ns/views/deprecated/inst_ns_post_deal_view.py

   1 # Copyright 2016-2017 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import json
  16 import logging
  17 import traceback
  18
  19 from drf_yasg.utils import swagger_auto_schema
  20 from rest_framework import status
  21 from rest_framework.response import Response
  22 from rest_framework.views import APIView
  23
  24 from lcm.ns.serializers.deprecated.ns_serializers import _InstNsPostDealReqSerializer
  25 from lcm.pub.database.models import NSInstModel, ServiceBaseInfoModel
  26 from lcm.pub.exceptions import BadRequestException
  27 from lcm.pub.utils.restcall import req_by_msb
  28 from lcm.pub.utils.values import ignore_case_get
  29 from .common import view_safe_call_with_log
  30
  31 logger = logging.getLogger(__name__)
  32
  33
  34 class NSInstPostDealView(APIView):
  35     @swagger_auto_schema(
  36         request_body=_InstNsPostDealReqSerializer(help_text="NS instant post deal"),
  37         responses={
  38             status.HTTP_202_ACCEPTED: "NS instant post deal success",
  39             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  40         }
  41     )
  42     @view_safe_call_with_log(logger=logger)
  43     def post(self, request, ns_instance_id):
  44         logger.debug("Enter NSInstPostDealView::post %s, %s", request.data, ns_instance_id)
  45         ns_post_status = ignore_case_get(request.data, 'status')
  46         ns_status = 'ACTIVE' if ns_post_status == 'true' else 'FAILED'
  47         ns_opr_status = 'success' if ns_post_status == 'true' else 'failed'
  48         try:
  49             req_serializer = _InstNsPostDealReqSerializer(data=request.data)
  50             if not req_serializer.is_valid():
  51                 raise BadRequestException(req_serializer.errors)
  52             NSInstModel.objects.filter(id=ns_instance_id).update(status=ns_status)
  53             ServiceBaseInfoModel.objects.filter(service_id=ns_instance_id).update(
  54                 active_status=ns_status, status=ns_opr_status)
  55             nsd_info = NSInstModel.objects.filter(id=ns_instance_id)
  56             nsd_id = nsd_info[0].nsd_id
  57             nsd_model = json.loads(nsd_info[0].nsd_model)
  58             if "policies" in nsd_model and nsd_model["policies"]:
  59                 policy = nsd_model["policies"][0]
  60                 if "properties" in policy and policy["properties"]:
  61                     file_url = ignore_case_get(policy["properties"][0], "drl_file_url")
  62                 else:
  63                     file_url = ""
  64                 self.send_policy_request(ns_instance_id, nsd_id, file_url)
  65         except:
  66             logger.error(traceback.format_exc())
  67             return Response(data={'error': 'Failed to update status of NS(%s)' % ns_instance_id},
  68                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  69         logger.debug("*****NS INST %s, %s******", ns_status, ns_opr_status)
  70         return Response(data={'success': 'Update status of NS(%s) to %s' % (ns_instance_id, ns_status)},
  71                         status=status.HTTP_202_ACCEPTED)
  72
  73     def send_policy_request(self, ns_instance_id, nsd_id, file_url):
  74         input_data = {
  75             "nsid": ns_instance_id,
  76             "nsdid": nsd_id,
  77             "fileUri": file_url
  78         }
  79         req_param = json.JSONEncoder().encode(input_data)
  80         policy_engine_url = 'api/polengine/v1/policyinfo'
  81         ret = req_by_msb(policy_engine_url, "POST", req_param)
  82         if ret[0] != 0:
  83             logger.error("Failed to send ns policy req")