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             nf_inst_id = CreateVnf(req_serializer.data).do_biz()
  76
  77             create_vnf_resp_serializer = CreateVnfRespSerializer(data={"vnfInstanceId": nf_inst_id})
  78             if not create_vnf_resp_serializer.is_valid():
  79                 raise NFLCMException(create_vnf_resp_serializer.errors)
  80             return Response(data=create_vnf_resp_serializer.data, status=status.HTTP_201_CREATED)
  81         except NFLCMException as e:
  82             logger.error(e.message)
  83             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  84         except Exception as e:
  85             logger.error(e.message)
  86             logger.error(traceback.format_exc())
  87             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  88
  89
  90 class InstantiateVnf(APIView):
  91     @swagger_auto_schema(
  92         request_body=InstantiateVnfRequestSerializer(),
  93         responses={
  94             status.HTTP_202_ACCEPTED: InstOrTeriVnfResponseSerializer(),
  95             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  96         }
  97     )
  98     def post(self, request, instanceid):
  99         logger.debug("InstantiateVnf--post::> %s" % request.data)
 100         try:
 101             instantiate_vnf_request_serializer = InstantiateVnfRequestSerializer(data=request.data)
 102             if not instantiate_vnf_request_serializer.is_valid():
 103                 raise NFLCMException(instantiate_vnf_request_serializer.errors)
 104
 105             job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)
 106             JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")
 107             InstVnf(instantiate_vnf_request_serializer.data, instanceid, job_id).start()
 108
 109             instantiate_vnf_response_serializer = InstOrTeriVnfResponseSerializer(data={"jobId": job_id})
 110             resp_isvalid = instantiate_vnf_response_serializer.is_valid()
 111             if not resp_isvalid:
 112                 raise NFLCMException(instantiate_vnf_response_serializer.errors)
 113
 114             return Response(data=instantiate_vnf_response_serializer.data, status=status.HTTP_202_ACCEPTED)
 115         except NFLCMException as e:
 116             logger.error(e.message)
 117             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 118         except Exception as e:
 119             logger.error(e.message)
 120             logger.error(traceback.format_exc())
 121             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 122
 123
 124 class DeleteVnfAndQueryVnf(APIView):
 125     @swagger_auto_schema(
 126         responses={
 127             status.HTTP_200_OK: VnfInfoSerializer(),
 128             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 129         }
 130     )
 131     def get(self, request, instanceid):
 132         logger.debug("QuerySingleVnf--get::> %s" % request.data)
 133         try:
 134             resp_data = QueryVnf(request.data, instanceid).query_single_vnf()
 135
 136             vnf_info_serializer = VnfInfoSerializer(data=resp_data)
 137             if not vnf_info_serializer.is_valid():
 138                 raise NFLCMException(vnf_info_serializer.errors)
 139
 140             return Response(data=vnf_info_serializer.data, status=status.HTTP_200_OK)
 141         except NFLCMException as e:
 142             logger.error(e.message)
 143             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 144         except Exception as e:
 145             logger.eror(e.message)
 146             logger.error(traceback.format_exc())
 147             return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
 148                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 149
 150     @swagger_auto_schema(
 151         responses={
 152             status.HTTP_204_NO_CONTENT: "Successfully",
 153             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 154         }
 155     )
 156     def delete(self, request, instanceid):
 157         logger.debug("DeleteVnfIdentifier--delete::> %s" % request.data)
 158         try:
 159             DeleteVnf(request.data, instanceid).do_biz()
 160
 161             return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 162         except NFLCMException as e:
 163             logger.error(e.message)
 164             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 165         except Exception as e:
 166             logger.error(e.message)
 167             logger.error(traceback.format_exc())
 168             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 169
 170
 171 class TerminateVnf(APIView):
 172     @swagger_auto_schema(
 173         request_body=TerminateVnfRequestSerializer(),
 174         responses={
 175             status.HTTP_202_ACCEPTED: InstOrTeriVnfResponseSerializer(),
 176             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 177         }
 178     )
 179     def post(self, request, instanceid):
 180         logger.debug("TerminateVnf--post::> %s" % request.data)
 181         try:
 182             terminate_vnf_request_serializer = TerminateVnfRequestSerializer(data=request.data)
 183             if not terminate_vnf_request_serializer.is_valid():
 184                 raise NFLCMException(terminate_vnf_request_serializer.errors)
 185
 186             job_id = JobUtil.create_job('NF', 'TERMINATE', instanceid)
 187             JobUtil.add_job_status(job_id, 0, "TERM_VNF_READY")
 188             TermVnf(terminate_vnf_request_serializer.data, instanceid, job_id).start()
 189
 190             terminate_vnf_response_serializer = InstOrTeriVnfResponseSerializer(data={"jobId": job_id})
 191             if not terminate_vnf_response_serializer.is_valid():
 192                 raise NFLCMException(terminate_vnf_response_serializer.errors)
 193
 194             return Response(data=terminate_vnf_response_serializer.data, status=status.HTTP_202_ACCEPTED)
 195         except NFLCMException as e:
 196             logger.error(e.message)
 197             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 198         except Exception as e:
 199             logger.error(e.message)
 200             logger.error(traceback.format_exc())
 201             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)