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