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 json
  16 import logging
  17 import os
  18 import traceback
  19
  20 from rest_framework import status
  21 from rest_framework.response import Response
  22 from rest_framework.views import APIView
  23
  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     def get(self, request):
  37         logger.debug("QuerySingleVnf--get::> %s" % request.data)
  38         try:
  39             resp_data = QueryVnf(request.data).query_multi_vnf()
  40         except NFLCMException as e:
  41             logger.error(e.message)
  42             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  43         except:
  44             logger.error(traceback.format_exc())
  45             return Response(data={'error': 'Failed to get Vnfs'},
  46                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  47         return Response(data=resp_data, status=status.HTTP_200_OK)
  48
  49     def post(self, request):
  50         logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
  51         try:
  52             nf_inst_id = CreateVnf(request.data).do_biz()
  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:
  57             logger.error(traceback.format_exc())
  58             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  59         rsp = {"vnfInstanceId": nf_inst_id}
  60         return Response(data=rsp, status=status.HTTP_201_CREATED)
  61
  62
  63 class InstantiateVnf(APIView):
  64     def post(self, request, instanceid):
  65         logger.debug("InstantiateVnf--post::> %s" % request.data)
  66         try:
  67             job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)
  68             JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")
  69             InstVnf(request.data, instanceid, job_id).start()
  70         except NFLCMException as e:
  71             logger.error(e.message)
  72             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  73         except Exception:
  74             logger.error(traceback.format_exc())
  75             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  76         rsp = {"jobId": job_id}
  77         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
  78
  79
  80 class DeleteVnfAndQueryVnf(APIView):
  81     def get(self, request, instanceid):
  82         logger.debug("QuerySingleVnf--get::> %s" % request.data)
  83         try:
  84             resp_data = QueryVnf(request.data, instanceid).query_single_vnf()
  85         except NFLCMException as e:
  86             logger.error(e.message)
  87             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  88         except:
  89             logger.error(traceback.format_exc())
  90             return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
  91                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  92         return Response(data=resp_data, status=status.HTTP_200_OK)
  93
  94     def delete(self, request, instanceid):
  95         logger.debug("DeleteVnfIdentifier--delete::> %s" % request.data)
  96         try:
  97             DeleteVnf(request.data, instanceid).do_biz()
  98         except NFLCMException as e:
  99             logger.error(e.message)
 100             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 101         except Exception:
 102             logger.error(traceback.format_exc())
 103             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 104         return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 105
 106
 107 class TerminateVnf(APIView):
 108     def post(self, request, instanceid):
 109         logger.debug("TerminateVnf--post::> %s" % request.data)
 110         try:
 111             job_id = JobUtil.create_job('NF', 'TERMINATE', instanceid)
 112             JobUtil.add_job_status(job_id, 0, "TERM_VNF_READY")
 113             TermVnf(request.data, instanceid, job_id).start()
 114         except NFLCMException as e:
 115             logger.error(e.message)
 116             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 117         except Exception:
 118             logger.error(traceback.format_exc())
 119             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 120         rsp = {"jobId": job_id}
 121         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
 122
 123
 124 class SwaggerJsonView(APIView):
 125     def get(self, request):
 126         json_file = os.path.join(os.path.dirname(__file__), 'swagger.json')
 127         f = open(json_file)
 128         json_data = json.JSONDecoder().decode(f.read())
 129         f.close()
 130         return Response(json_data)