lcm/v2/views.py

   1 # Copyright 2018 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 import logging
  15 import traceback
  16
  17 from rest_framework.response import Response
  18 from rest_framework.views import APIView
  19 from rest_framework import status
  20 from drf_yasg.utils import swagger_auto_schema
  21
  22 from lcm.v2.serializers import GrantRequestSerializer
  23 from lcm.v2.serializers import GrantSerializer
  24 from lcm.v2.serializers import VnfLcmOperationOccurrenceNotificationSerializer
  25 from lcm.v2.grant_vnf import GrantVnf
  26
  27 logger = logging.getLogger(__name__)
  28
  29
  30 class VnfGrantView(APIView):
  31     @swagger_auto_schema(
  32         request_body=GrantRequestSerializer(),
  33         responses={
  34             status.HTTP_201_CREATED: GrantSerializer(
  35                 help_text="The grant was created successfully (synchronous mode)."
  36             ),
  37             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  38         }
  39     )
  40     def post(self, request):
  41         logger.debug("VnfGrantView Post: %s" % request.data)
  42         try:
  43             req_serializer = GrantRequestSerializer(data=request.data)
  44             if not req_serializer.is_valid():
  45                 raise Exception(req_serializer.errors)
  46
  47             grant_resp = GrantVnf(request.data).exec_grant()
  48
  49             resp_serializer = GrantSerializer(data=grant_resp)
  50             if not resp_serializer.is_valid():
  51                 raise Exception(resp_serializer.errors)
  52
  53             return Response(data=resp_serializer.data, status=status.HTTP_201_CREATED)
  54         except Exception as e:
  55             logger.error(traceback.format_exc())
  56             logger.error("Exception in VnfGrant: %s", e.message)
  57             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  58
  59
  60 class VnfNotifyView(APIView):
  61     @swagger_auto_schema(
  62         request_body=VnfLcmOperationOccurrenceNotificationSerializer(
  63             help_text="A notification about lifecycle changes triggered by a VNF LCM operation occurrence."
  64         ),
  65         responses={
  66             status.HTTP_204_NO_CONTENT: "The notification was delivered successfully.",
  67             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  68         }
  69     )
  70     def post(self, request, vnfmId, vnfInstanceId):
  71         logger.debug("VnfNotifyView post: %s" % request.data)
  72         logger.debug("vnfmId: %s vnfInstanceId: %s", vnfmId, vnfInstanceId)
  73         return Response(data={}, status=status.HTTP_204_NO_CONTENT)
  74
  75     @swagger_auto_schema(
  76         responses={
  77             status.HTTP_204_NO_CONTENT: "The notification endpoint was tested successfully.",
  78             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  79         }
  80     )
  81     def get(self, request, vnfmId, vnfInstanceId):
  82         logger.debug("VnfNotifyView get")
  83         logger.debug("vnfmId: %s vnfInstanceId: %s", vnfmId, vnfInstanceId)
  84         return Response(data={}, status=status.HTTP_204_NO_CONTENT)