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 rest_framework import status
  19 from rest_framework.response import Response
  20 from rest_framework.views import APIView
  21
  22 from lcm.nf.vnfs.vnf_cancel.delete_vnf_identifier import DeleteVnf
  23 from lcm.nf.vnfs.vnf_cancel.term_vnf import TermVnf
  24 from lcm.nf.vnfs.vnf_create.create_vnf_identifier import CreateVnf
  25 from lcm.nf.vnfs.vnf_create.inst_vnf import InstVnf
  26 from lcm.nf.vnfs.vnf_query.query_vnf import QueryVnf
  27 from lcm.pub.exceptions import NFLCMException
  28 from lcm.pub.utils.jobutil import JobUtil
  29
  30 logger = logging.getLogger(__name__)
  31
  32
  33 class CreateVnfAndQueryVnfs(APIView):
  34     def get(self, request):
  35         logger.debug("QuerySingleVnf--get::> %s" % request.data)
  36         try:
  37             resp_data = QueryVnf(request.data).query_multi_vnf()
  38         except NFLCMException as e:
  39             logger.error(e.message)
  40             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  41         except:
  42             logger.error(traceback.format_exc())
  43             return Response(data={'error': 'Failed to get Vnfs'},
  44                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  45         return Response(data=resp_data, status=status.HTTP_200_OK)
  46
  47     def post(self, request):
  48         logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
  49         try:
  50             nf_inst_id = CreateVnf(request.data).do_biz()
  51         except NFLCMException as e:
  52             logger.error(e.message)
  53             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  54         except Exception:
  55             logger.error(traceback.format_exc())
  56             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  57         rsp = {"vnfInstanceId": nf_inst_id}
  58         return Response(data=rsp, status=status.HTTP_201_CREATED)
  59
  60
  61 class InstantiateVnf(APIView):
  62     def post(self, request, instanceid):
  63         logger.debug("InstantiateVnf--post::> %s" % request.data)
  64         try:
  65             job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)
  66             JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")
  67             InstVnf(request.data, instanceid, job_id).start()
  68         except NFLCMException as e:
  69             logger.error(e.message)
  70             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  71         except Exception:
  72             logger.error(traceback.format_exc())
  73             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  74         rsp = {"jobId": job_id}
  75         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
  76
  77
  78 class DeleteVnfAndQueryVnf(APIView):
  79     def get(self, request, instanceid):
  80         logger.debug("QuerySingleVnf--get::> %s" % request.data)
  81         try:
  82             resp_data = QueryVnf(request.data, instanceid).query_single_vnf()
  83         except NFLCMException as e:
  84             logger.error(e.message)
  85             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  86         except:
  87             logger.error(traceback.format_exc())
  88             return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
  89                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  90         return Response(data=resp_data, status=status.HTTP_200_OK)
  91
  92     def delete(self, request, instanceid):
  93         logger.debug("DeleteVnfIdentifier--delete::> %s" % request.data)
  94         try:
  95             DeleteVnf(request.data, instanceid).do_biz()
  96         except NFLCMException as e:
  97             logger.error(e.message)
  98             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  99         except Exception:
 100             logger.error(traceback.format_exc())
 101             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 102         return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 103
 104
 105 class TerminateVnf(APIView):
 106     def post(self, request, instanceid):
 107         logger.debug("TerminateVnf--post::> %s" % request.data)
 108         try:
 109             job_id = JobUtil.create_job('NF', 'TERMINATE', instanceid)
 110             JobUtil.add_job_status(job_id, 0, "TERM_VNF_READY")
 111             TermVnf(request.data, instanceid, job_id).start()
 112         except NFLCMException as e:
 113             logger.error(e.message)
 114             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 115         except Exception:
 116             logger.error(traceback.format_exc())
 117             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 118         rsp = {"jobId": job_id}
 119         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)