lcm/lcm/nf/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.serializers import CreateVnfReqSerializer, CreateVnfRespSerializer, VnfsInfoSerializer, \
  24     InstOrTeriVnfResponseSerializer, InstantiateVnfRequestSerializer, VnfInfoSerializer, TerminateVnfRequestSerializer
  25 from lcm.nf.vnf_cancel.delete_vnf_identifier import DeleteVnf
  26 from lcm.nf.vnf_cancel.term_vnf import TermVnf
  27 from lcm.nf.vnf_create.create_vnf_identifier import CreateVnf
  28 from lcm.nf.vnf_create.inst_vnf import InstVnf
  29 from lcm.nf.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         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             vnfs_info_serializer = VnfsInfoSerializer(data=resp_data)
  49             if not vnfs_info_serializer.is_valid():
  50                 raise NFLCMException(vnfs_info_serializer.errors)
  51
  52             return Response(data=vnfs_info_serializer.data, status=status.HTTP_200_OK)
  53         except NFLCMException as e:
  54             logger.error(e.message)
  55             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  56         except Exception as e:
  57             logger.error(e.message)
  58             logger.error(traceback.format_exc())
  59             return Response(data={'error': 'Failed to get Vnfs'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  60
  61     @swagger_auto_schema(
  62         request_body=CreateVnfReqSerializer(),
  63         responses={
  64             status.HTTP_201_CREATED: CreateVnfRespSerializer(),
  65             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  66         }
  67     )
  68     def post(self, request):
  69         logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
  70         try:
  71             req_serializer = CreateVnfReqSerializer(data=request.data)
  72             if not req_serializer.is_valid():
  73                 raise NFLCMException(req_serializer.errors)
  74
  75             resp = CreateVnf(req_serializer.data).do_biz()
  76             nf_inst_id = resp.get('id', 'undefined')
  77
  78             create_vnf_resp_serializer = CreateVnfRespSerializer(data={"vnfInstanceId": nf_inst_id})
  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         except NFLCMException as e:
  83             logger.error(e.message)
  84             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  85         except Exception as e:
  86             logger.error(e.message)
  87             logger.error(traceback.format_exc())
  88             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  89
  90
  91 class InstantiateVnf(APIView):
  92     @swagger_auto_schema(
  93         request_body=InstantiateVnfRequestSerializer(),
  94         responses={
  95             status.HTTP_202_ACCEPTED: InstOrTeriVnfResponseSerializer(),
  96             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  97         }
  98     )
  99     def post(self, request, instanceid):
 100         logger.debug("InstantiateVnf--post::> %s" % request.data)
 101         try:
 102             instantiate_vnf_request_serializer = InstantiateVnfRequestSerializer(data=request.data)
 103             if not instantiate_vnf_request_serializer.is_valid():
 104                 raise NFLCMException(instantiate_vnf_request_serializer.errors)
 105
 106             job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)
 107             JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")
 108             InstVnf(instantiate_vnf_request_serializer.data, instanceid, job_id).start()
 109
 110             instantiate_vnf_response_serializer = InstOrTeriVnfResponseSerializer(data={"jobId": job_id})
 111             resp_isvalid = instantiate_vnf_response_serializer.is_valid()
 112             if not resp_isvalid:
 113                 raise NFLCMException(instantiate_vnf_response_serializer.errors)
 114
 115             return Response(data=instantiate_vnf_response_serializer.data, status=status.HTTP_202_ACCEPTED)
 116         except NFLCMException as e:
 117             logger.error(e.message)
 118             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 119         except Exception as e:
 120             logger.error(e.message)
 121             logger.error(traceback.format_exc())
 122             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 123
 124
 125 class DeleteVnfAndQueryVnf(APIView):
 126     @swagger_auto_schema(
 127         responses={
 128             status.HTTP_200_OK: VnfInfoSerializer(),
 129             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 130         }
 131     )
 132     def get(self, request, instanceid):
 133         logger.debug("QuerySingleVnf--get::> %s" % request.data)
 134         try:
 135             resp_data = QueryVnf(request.data, instanceid).query_single_vnf()
 136
 137             vnf_info_serializer = VnfInfoSerializer(data=resp_data)
 138             if not vnf_info_serializer.is_valid():
 139                 raise NFLCMException(vnf_info_serializer.errors)
 140
 141             return Response(data=vnf_info_serializer.data, status=status.HTTP_200_OK)
 142         except NFLCMException as e:
 143             logger.error(e.message)
 144             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 145         except Exception as e:
 146             logger.eror(e.message)
 147             logger.error(traceback.format_exc())
 148             return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
 149                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 150
 151     @swagger_auto_schema(
 152         responses={
 153             status.HTTP_204_NO_CONTENT: "Successfully",
 154             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 155         }
 156     )
 157     def delete(self, request, instanceid):
 158         logger.debug("DeleteVnfIdentifier--delete::> %s" % request.data)
 159         try:
 160             DeleteVnf(request.data, instanceid).do_biz()
 161
 162             return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 163         except NFLCMException as e:
 164             logger.error(e.message)
 165             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 166         except Exception as e:
 167             logger.error(e.message)
 168             logger.error(traceback.format_exc())
 169             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 170
 171
 172 class TerminateVnf(APIView):
 173     @swagger_auto_schema(
 174         request_body=TerminateVnfRequestSerializer(),
 175         responses={
 176             status.HTTP_202_ACCEPTED: InstOrTeriVnfResponseSerializer(),
 177             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 178         }
 179     )
 180     def post(self, request, instanceid):
 181         logger.debug("TerminateVnf--post::> %s" % request.data)
 182         try:
 183             terminate_vnf_request_serializer = TerminateVnfRequestSerializer(data=request.data)
 184             if not terminate_vnf_request_serializer.is_valid():
 185                 raise NFLCMException(terminate_vnf_request_serializer.errors)
 186
 187             job_id = JobUtil.create_job('NF', 'TERMINATE', instanceid)
 188             JobUtil.add_job_status(job_id, 0, "TERM_VNF_READY")
 189             TermVnf(terminate_vnf_request_serializer.data, instanceid, job_id).start()
 190
 191             terminate_vnf_response_serializer = InstOrTeriVnfResponseSerializer(data={"jobId": job_id})
 192             if not terminate_vnf_response_serializer.is_valid():
 193                 raise NFLCMException(terminate_vnf_response_serializer.errors)
 194
 195             return Response(data=terminate_vnf_response_serializer.data, status=status.HTTP_202_ACCEPTED)
 196         except NFLCMException as e:
 197             logger.error(e.message)
 198             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 199         except Exception as e:
 200             logger.error(e.message)
 201             logger.error(traceback.format_exc())
 202             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)