lcm/lcm/nf/views/curd_vnf_views.py

   1 # Copyright 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 logging
  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.nf.biz.create_vnf import CreateVnf
  23 from lcm.nf.biz.query_vnf import QueryVnf
  24 from lcm.nf.biz.update_vnf import UpdateVnf
  25 from lcm.nf.biz.delete_vnf import DeleteVnf
  26 from lcm.nf.serializers.create_vnf_req import CreateVnfReqSerializer
  27 from lcm.nf.serializers.vnf_instance import VnfInstanceSerializer
  28 from lcm.nf.serializers.vnf_instances import VnfInstancesSerializer
  29 from lcm.nf.serializers.vnf_info_modifications import VnfInfoModificationsSerializer
  30 from lcm.pub.exceptions import NFLCMException
  31 from lcm.nf.const import VNF_STATUS
  32 from lcm.nf.const import OPERATION_TYPE
  33 from .common import view_safe_call_with_log
  34 from .common import deal_vnf_action
  35 from .common import deal_indivdual_query
  36 from lcm.pub.exceptions import NFLCMExceptionBadRequest
  37
  38 logger = logging.getLogger(__name__)
  39
  40
  41 class CreateVnfAndQueryVnfs(APIView):
  42     @swagger_auto_schema(
  43         responses={
  44             status.HTTP_200_OK: VnfInstancesSerializer(),
  45             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  46         }
  47     )
  48     @view_safe_call_with_log(logger=logger)
  49     def get(self, request):
  50         logger.debug("QueryMultiVnf--get::> %s" % request.data)
  51         resp_data = QueryVnf(request.data).query_multi_vnf()
  52         if len(resp_data) == 0:
  53             return Response(data=[], status=status.HTTP_200_OK)
  54         vnf_instances_serializer = VnfInstancesSerializer(data=resp_data)
  55         if not vnf_instances_serializer.is_valid():
  56             raise NFLCMException(vnf_instances_serializer.errors)
  57
  58         return Response(data=resp_data, status=status.HTTP_200_OK)
  59
  60     @swagger_auto_schema(
  61         request_body=CreateVnfReqSerializer(),
  62         responses={
  63             status.HTTP_201_CREATED: VnfInstanceSerializer(),
  64             status.HTTP_400_BAD_REQUEST: "Bad Request",
  65             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  66         }
  67     )
  68     @view_safe_call_with_log(logger=logger)
  69     def post(self, request):
  70         logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
  71         req_serializer = CreateVnfReqSerializer(data=request.data)
  72         if not req_serializer.is_valid():
  73             raise NFLCMExceptionBadRequest(req_serializer.errors)
  74
  75         nf_inst = CreateVnf(request.data).do_biz()
  76         rsp_data = {"id": nf_inst.nfinstid,
  77                     "vnfProvider": nf_inst.vendor,
  78                     "vnfdVersion": nf_inst.version,
  79                     "vnfPkgId": nf_inst.package_id,
  80                     "instantiationState": nf_inst.status}
  81         create_vnf_resp_serializer = VnfInstanceSerializer(data=rsp_data)
  82         if not create_vnf_resp_serializer.is_valid():
  83             raise NFLCMException(create_vnf_resp_serializer.errors)
  84
  85         return Response(data=rsp_data, status=status.HTTP_201_CREATED)
  86
  87
  88 class DeleteVnfAndQueryVnf(APIView):
  89     @swagger_auto_schema(
  90         responses={
  91             status.HTTP_200_OK: VnfInstanceSerializer(),
  92             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  93         }
  94     )
  95     @view_safe_call_with_log(logger=logger)
  96     def get(self, request, instanceid):
  97         logger.debug("QuerySingleVnf--get::> %s" % request.data)
  98
  99         return deal_indivdual_query(res_serializer=VnfInstanceSerializer,
 100                                     query_fun=QueryVnf(
 101                                         request.data,
 102                                         instanceid).query_single_vnf)
 103
 104     @swagger_auto_schema(
 105         responses={
 106             status.HTTP_204_NO_CONTENT: "Successfully",
 107             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 108         }
 109     )
 110     @view_safe_call_with_log(logger=logger)
 111     def delete(self, request, instanceid):
 112         logger.debug("DeleteVnfIdentifier--delete::> %s" % instanceid)
 113
 114         DeleteVnf(request.data, instanceid).do_biz()
 115
 116         return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 117
 118     @swagger_auto_schema(
 119         request_body=VnfInfoModificationsSerializer(),
 120         responses={
 121             status.HTTP_202_ACCEPTED: "Successfully",
 122             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 123         }
 124     )
 125     @view_safe_call_with_log(logger=logger)
 126     def patch(self, request, instanceid):
 127         return deal_vnf_action(
 128             logger=logger,
 129             opt_type=OPERATION_TYPE.MODIFY_INFO,
 130             opt_status=VNF_STATUS.UPDATING,
 131             instid=instanceid,
 132             req=request,
 133             req_serializer=VnfInfoModificationsSerializer,
 134             act_task=UpdateVnf
 135         )