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 import json
  15 import logging
  16 import os
  17 import traceback
  18
  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.vnf_cancel.delete_vnf_identifier import DeleteVnf
  24 from lcm.nf.vnfs.vnf_cancel.term_vnf import TermVnf
  25 from lcm.nf.vnfs.vnf_create.create_vnf_identifier import CreateVnf
  26 from lcm.nf.vnfs.vnf_create.inst_vnf import InstVnf
  27 from lcm.nf.vnfs.vnf_query.query_vnf import QueryVnf
  28 from lcm.pub.exceptions import NFLCMException
  29 from lcm.pub.utils.jobutil import JobUtil
  30
  31 logger = logging.getLogger(__name__)
  32
  33
  34 class CreateVnfAndQueryVnfs(APIView):
  35     def get(self, request):
  36         logger.debug("QuerySingleVnf--get::> %s" % request.data)
  37         try:
  38             resp_data = QueryVnf(request.data).query_multi_vnf()
  39         except NFLCMException as e:
  40             logger.error(e.message)
  41             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  42         except:
  43             logger.error(traceback.format_exc())
  44             return Response(data={'error': 'Failed to get Vnfs'},
  45                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  46         return Response(data=resp_data, status=status.HTTP_200_OK)
  47
  48     def post(self, request):
  49         logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
  50         try:
  51             nf_inst_id = CreateVnf(request.data).do_biz()
  52         except NFLCMException as e:
  53             logger.error(e.message)
  54             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  55         except Exception:
  56             logger.error(traceback.format_exc())
  57             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  58         rsp = {"vnfInstanceId": nf_inst_id}
  59         return Response(data=rsp, status=status.HTTP_201_CREATED)
  60
  61
  62 class InstantiateVnf(APIView):
  63     def post(self, request, instanceid):
  64         logger.debug("InstantiateVnf--post::> %s" % request.data)
  65         try:
  66             job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)
  67             JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")
  68             InstVnf(request.data, instanceid, job_id).start()
  69         except NFLCMException as e:
  70             logger.error(e.message)
  71             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  72         except Exception:
  73             logger.error(traceback.format_exc())
  74             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  75         rsp = {"jobId": job_id}
  76         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
  77
  78
  79 class DeleteVnfAndQueryVnf(APIView):
  80     def get(self, request, instanceid):
  81         logger.debug("QuerySingleVnf--get::> %s" % request.data)
  82         try:
  83             resp_data = QueryVnf(request.data, instanceid).query_single_vnf()
  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:
  88             logger.error(traceback.format_exc())
  89             return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
  90                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  91         return Response(data=resp_data, status=status.HTTP_200_OK)
  92
  93     def delete(self, request, instanceid):
  94         logger.debug("DeleteVnfIdentifier--delete::> %s" % request.data)
  95         try:
  96             DeleteVnf(request.data, instanceid).do_biz()
  97         except NFLCMException as e:
  98             logger.error(e.message)
  99             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 100         except Exception:
 101             logger.error(traceback.format_exc())
 102             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 103         return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 104
 105
 106 class TerminateVnf(APIView):
 107     def post(self, request, instanceid):
 108         logger.debug("TerminateVnf--post::> %s" % request.data)
 109         try:
 110             job_id = JobUtil.create_job('NF', 'TERMINATE', instanceid)
 111             JobUtil.add_job_status(job_id, 0, "TERM_VNF_READY")
 112             TermVnf(request.data, instanceid, job_id).start()
 113         except NFLCMException as e:
 114             logger.error(e.message)
 115             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 116         except Exception:
 117             logger.error(traceback.format_exc())
 118             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 119         rsp = {"jobId": job_id}
 120         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
 121
 122
 123 class SwaggerJsonView(APIView):
 124     def get(self, request):
 125         json_file = os.path.join(os.path.dirname(__file__), 'swagger.json')
 126         f = open(json_file)
 127         json_data = json.JSONDecoder().decode(f.read())
 128         f.close()
 129         return Response(json_data)