lcm/ns/views/sol/instantiate_ns_views.py

   1 # Copyright 2019 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 logging
  16 from drf_yasg.utils import swagger_auto_schema
  17 from rest_framework import status
  18 from rest_framework.response import Response
  19 from rest_framework.views import APIView
  20
  21 from lcm.ns.biz.ns_instant import InstantNSService
  22 from lcm.ns.serializers.sol.inst_ns_serializers import InstantNsReqSerializer
  23 from lcm.pub.exceptions import BadRequestException
  24 from lcm.ns.const import NS_OCC_BASE_URI
  25 from lcm.ns.serializers.sol.pub_serializers import ProblemDetailsSerializer
  26
  27 logger = logging.getLogger(__name__)
  28
  29
  30 class InstantiateNsView(APIView):
  31     @swagger_auto_schema(
  32         request_body=InstantNsReqSerializer(),
  33         responses={
  34             status.HTTP_202_ACCEPTED: "HTTP_202_ACCEPTED",
  35             status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  36         }
  37     )
  38     def post(self, request, ns_instance_id):
  39         logger.debug("Enter InstantiateNsView::post::ns_instance_id=%s", ns_instance_id)
  40         logger.debug("request.data=%s", request.data)
  41         try:
  42             req_serializer = InstantNsReqSerializer(data=request.data)
  43             if not req_serializer.is_valid():
  44                 logger.debug("request.data is not valid,error: %s" % req_serializer.errors)
  45                 raise BadRequestException(req_serializer.errors)
  46
  47             InstantNsReq = request.data
  48             if "additionalParamsForVnf" in InstantNsReq:
  49                 InstantNsReq['locationConstraints'] = []
  50                 for additionalParamsForVnf in InstantNsReq["additionalParamsForVnf"]:
  51                     vnf = {}
  52                     vnf['vnfProfileId'] = additionalParamsForVnf['vnfProfileId']
  53                     vnf['locationConstraints'] = {'vimId': additionalParamsForVnf['additionalParams']['vimId']}
  54                     vnf['additionalParams'] = additionalParamsForVnf['additionalParams']
  55                     InstantNsReq['locationConstraints'].append(vnf)
  56
  57             ack = InstantNSService(ns_instance_id, request.data).do_biz()
  58             nsLcmOpOccId = ack['occ_id']
  59             response = Response(data={}, status=status.HTTP_202_ACCEPTED)
  60             logger.debug("Location: %s" % ack['occ_id'])
  61             response["Location"] = NS_OCC_BASE_URI % nsLcmOpOccId
  62             logger.debug("Leave InstantiateNsView::post::ack=%s", ack)
  63             return response
  64         except BadRequestException as e:
  65             logger.error("Exception in InstantiateNsView: %s", e.message)
  66             data = {'status': status.HTTP_400_BAD_REQUEST, 'detail': e.message}
  67             return Response(data=data, status=status.HTTP_400_BAD_REQUEST)
  68         except Exception as e:
  69             logger.error("Exception in InstantiateNsView: %s", e.message)
  70             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
  71             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)