lcm/lcm/nf/vnfs/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 import traceback
  17
  18 from drf_yasg.utils import swagger_auto_schema
  19 from rest_framework import status
  20 from rest_framework.response import Response
  21 from rest_framework.views import APIView
  22
  23 from lcm.nf.vnfs.serializers import CreateVnfReqSerializer, CreateVnfRespSerializer, VnfsInfoSerializer, \
  24     InstantiateVnfResponseSerializer, InstantiateVnfRequestSerializer
  25 from lcm.nf.vnfs.vnf_cancel.delete_vnf_identifier import DeleteVnf
  26 from lcm.nf.vnfs.vnf_cancel.term_vnf import TermVnf
  27 from lcm.nf.vnfs.vnf_create.create_vnf_identifier import CreateVnf
  28 from lcm.nf.vnfs.vnf_create.inst_vnf import InstVnf
  29 from lcm.nf.vnfs.vnf_query.query_vnf import QueryVnf
  30 from lcm.pub.exceptions import NFLCMException
  31 from lcm.pub.utils.jobutil import JobUtil
  32
  33 logger = logging.getLogger(__name__)
  34
  35
  36 class CreateVnfAndQueryVnfs(APIView):
  37     @swagger_auto_schema(
  38         request_body=None,
  39         responses={
  40             status.HTTP_200_OK: VnfsInfoSerializer(),
  41             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  42         }
  43     )
  44     def get(self, request):
  45         logger.debug("QueryMultiVnf--get::> %s" % request.data)
  46         try:
  47             resp_data = QueryVnf(request.data).query_multi_vnf()
  48
  49             vnfsInfoSerializer = VnfsInfoSerializer(data=resp_data)
  50             resp_isValid = vnfsInfoSerializer.is_valid()
  51             if not resp_isValid:
  52                 raise NFLCMException(vnfsInfoSerializer.errors)
  53
  54             return Response(data=vnfsInfoSerializer.data, status=status.HTTP_200_OK)
  55         except NFLCMException as e:
  56             logger.error(e.message)
  57             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  58         except Exception as e:
  59             logger.error(e.message)
  60             logger.error(traceback.format_exc())
  61             return Response(data={'error': 'Failed to get Vnfs'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  62
  63     @swagger_auto_schema(
  64         request_body=CreateVnfReqSerializer(),
  65         responses={
  66             status.HTTP_201_CREATED: CreateVnfRespSerializer(),
  67             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  68         }
  69     )
  70     def post(self, request):
  71         logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
  72         req_serializer = CreateVnfReqSerializer(data=request.data)
  73         req_isValid = req_serializer.is_valid()
  74         try:
  75             if not req_isValid:
  76                 raise NFLCMException(req_serializer.errors)
  77
  78             nf_inst_id = CreateVnf(req_serializer.data).do_biz()
  79
  80             resp_serializer = CreateVnfRespSerializer(data={"vnfInstanceId": nf_inst_id})
  81             resp_isValid = resp_serializer.is_valid()
  82             if not resp_isValid:
  83                 raise NFLCMException(resp_serializer.errors)
  84             return Response(data=resp_serializer.data, status=status.HTTP_201_CREATED)
  85         except NFLCMException as e:
  86             logger.error(e.message)
  87             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  88         except Exception as e:
  89             logger.error(e.message)
  90             logger.error(traceback.format_exc())
  91             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  92
  93
  94 class InstantiateVnf(APIView):
  95     @swagger_auto_schema(
  96         request_body=InstantiateVnfRequestSerializer(),
  97         responses={
  98             status.HTTP_202_ACCEPTED: InstantiateVnfResponseSerializer(),
  99             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 100         }
 101     )
 102     def post(self, request, instanceid):
 103         logger.debug("InstantiateVnf--post::> %s" % request.data)
 104         instantiateVnfRequestSerializer = InstantiateVnfRequestSerializer(data=request.data)
 105         req_isValid = instantiateVnfRequestSerializer.is_valid()
 106         try:
 107             if not req_isValid:
 108                 raise NFLCMException(instantiateVnfRequestSerializer.errors)
 109
 110             job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)
 111             JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")
 112             InstVnf(instantiateVnfRequestSerializer.data, instanceid, job_id).start()
 113
 114             instantiateVnfResponseSerializer = InstantiateVnfResponseSerializer(data={"jobId": job_id})
 115             resp_isValid = instantiateVnfResponseSerializer.is_valid()
 116             if not resp_isValid:
 117                 raise NFLCMException(instantiateVnfResponseSerializer.errors)
 118
 119             return Response(data=instantiateVnfResponseSerializer.data, status=status.HTTP_202_ACCEPTED)
 120         except NFLCMException as e:
 121             logger.error(e.message)
 122             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 123         except Exception as e:
 124             logger.error(e.message)
 125             logger.error(traceback.format_exc())
 126             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 127
 128
 129 class DeleteVnfAndQueryVnf(APIView):
 130     def get(self, request, instanceid):
 131         logger.debug("QuerySingleVnf--get::> %s" % request.data)
 132         try:
 133             resp_data = QueryVnf(request.data, instanceid).query_single_vnf()
 134         except NFLCMException as e:
 135             logger.error(e.message)
 136             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 137         except Exception as e:
 138             logger.eror(e.message)
 139             logger.error(traceback.format_exc())
 140             return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
 141                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 142         return Response(data=resp_data, status=status.HTTP_200_OK)
 143
 144     def delete(self, request, instanceid):
 145         logger.debug("DeleteVnfIdentifier--delete::> %s" % request.data)
 146         try:
 147             DeleteVnf(request.data, instanceid).do_biz()
 148         except NFLCMException as e:
 149             logger.error(e.message)
 150             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 151         except Exception as e:
 152             logger.error(e.message)
 153             logger.error(traceback.format_exc())
 154             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 155         return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 156
 157
 158 class TerminateVnf(APIView):
 159     def post(self, request, instanceid):
 160         logger.debug("TerminateVnf--post::> %s" % request.data)
 161         try:
 162             job_id = JobUtil.create_job('NF', 'TERMINATE', instanceid)
 163             JobUtil.add_job_status(job_id, 0, "TERM_VNF_READY")
 164             TermVnf(request.data, instanceid, job_id).start()
 165         except NFLCMException as e:
 166             logger.error(e.message)
 167             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 168         except Exception as e:
 169             logger.error(e.message)
 170             logger.error(traceback.format_exc())
 171             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 172         rsp = {
 173             "jobId": job_id
 174         }
 175         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)