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