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