lcm/ns_vnfs/views/grant_vnf_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 drf_yasg.utils import swagger_auto_schema
  18 from rest_framework import status
  19 from rest_framework.response import Response
  20 from rest_framework.views import APIView
  21
  22 from lcm.ns_vnfs.biz.grant_vnf import GrantVnf
  23 from lcm.ns_vnfs.biz.handle_vnflcmooc_notification import HandleVnfLcmOocNotification
  24 from lcm.ns_vnfs.serializers.grant_vnf_serializer import GrantRequestSerializer
  25 from lcm.ns_vnfs.serializers.grant_vnf_serializer import GrantSerializer
  26 from lcm.ns_vnfs.serializers.grant_vnf_serializer import VnfLcmOperationOccurrenceNotificationSerializer
  27
  28 logger = logging.getLogger(__name__)
  29
  30
  31 class VnfGrantView(APIView):
  32     @swagger_auto_schema(
  33         request_body=GrantRequestSerializer(),
  34         responses={
  35             status.HTTP_201_CREATED: GrantSerializer(
  36                 help_text="The grant was created successfully (synchronous mode)."
  37             ),
  38             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  39         }
  40     )
  41     def post(self, request):
  42         logger.debug("VnfGrantView Post: %s" % request.data)
  43         try:
  44             req_serializer = GrantRequestSerializer(data=request.data)
  45             if not req_serializer.is_valid():
  46                 raise Exception(req_serializer.errors)
  47
  48             grant_resp = GrantVnf(request.data).exec_grant()
  49
  50             resp_serializer = GrantSerializer(data=grant_resp)
  51             if not resp_serializer.is_valid():
  52                 raise Exception(resp_serializer.errors)
  53
  54             return Response(data=resp_serializer.data, status=status.HTTP_201_CREATED)
  55         except Exception as e:
  56             logger.error(traceback.format_exc())
  57             logger.error("Exception in VnfGrant: %s", e.message)
  58             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  59
  60
  61 class VnfNotifyView(APIView):
  62     @swagger_auto_schema(
  63         request_body=VnfLcmOperationOccurrenceNotificationSerializer(
  64             help_text="A notification about lifecycle changes triggered by a VNF LCM operation occurrence."
  65         ),
  66         responses={
  67             status.HTTP_204_NO_CONTENT: "The notification was delivered successfully.",
  68             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  69         }
  70     )
  71     def post(self, request, vnfmId, vnfInstanceId):
  72         logger.debug("VnfNotifyView post: %s" % request.data)
  73         logger.debug("vnfmId: %s vnfInstanceId: %s", vnfmId, vnfInstanceId)
  74         try:
  75             vnfLcmOocNotificationSerializer = VnfLcmOperationOccurrenceNotificationSerializer(data=request.data)
  76             if not vnfLcmOocNotificationSerializer.is_valid():
  77                 raise Exception(vnfLcmOocNotificationSerializer.errors)
  78
  79             HandleVnfLcmOocNotification(vnfmId, vnfInstanceId, vnfLcmOocNotificationSerializer.data).do_biz()
  80             return Response(data={}, status=status.HTTP_204_NO_CONTENT)
  81         except Exception as e:
  82             logger.error(traceback.format_exc())
  83             logger.error("Exception in VnfLcmOoc Notification: %s", e.message)
  84             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  85
  86     @swagger_auto_schema(
  87         responses={
  88             status.HTTP_204_NO_CONTENT: "The notification endpoint was tested successfully.",
  89             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  90         }
  91     )
  92     def get(self, request, vnfmId, vnfInstanceId):
  93         logger.debug("VnfNotifyView get")
  94         logger.debug("vnfmId: %s vnfInstanceId: %s", vnfmId, vnfInstanceId)
  95         return Response(data={}, status=status.HTTP_204_NO_CONTENT)