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 from lcm.pub.utils.values import ignore_case_get
  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             tt = traceback.format_exc()
  46             return Response(data={'error': 'Failed to get Vnfs'},
  47                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  48         return Response(data=resp_data, status=status.HTTP_200_OK)
  49
  50     def post(self, request):
  51         logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
  52         try:
  53             nf_inst_id = CreateVnf(request.data).do_biz()
  54         except NFLCMException as e:
  55             logger.error(e.message)
  56             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  57         except Exception:
  58             logger.error(traceback.format_exc())
  59             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  60         rsp = {"vnfInstanceId": nf_inst_id}
  61         return Response(data=rsp, status=status.HTTP_201_CREATED)
  62
  63
  64 class InstantiateVnf(APIView):
  65     def post(self, request, instanceid):
  66         try:
  67             logger.debug("InstantiateVnf--post::> %s" % request.data)
  68             job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)
  69             JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")
  70             InstVnf(request.data, instanceid, job_id).start()
  71         except NFLCMException as e:
  72             logger.error(e.message)
  73             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  74         except Exception:
  75             logger.error(traceback.format_exc())
  76             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  77         rsp = {"jobId": job_id}
  78         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
  79
  80
  81 class DeleteVnfAndQueryVnf(APIView):
  82     def get(self, request, instanceid):
  83         logger.debug("QuerySingleVnf--get::> %s" % request.data)
  84         try:
  85             resp_data = QueryVnf(request.data, instanceid).query_single_vnf()
  86         except NFLCMException as e:
  87             logger.error(e.message)
  88             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  89         except:
  90             logger.error(traceback.format_exc())
  91             return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
  92                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  93         return Response(data=resp_data, status=status.HTTP_200_OK)
  94
  95     def delete(self, request, instanceid):
  96         logger.debug("DeleteVnfIdentifier--delete::> %s" % request.data)
  97         try:
  98             DeleteVnf(request.data, instanceid).do_biz()
  99         except NFLCMException as e:
 100             logger.error(e.message)
 101             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 102         except Exception:
 103             logger.error(traceback.format_exc())
 104             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 105         return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 106
 107
 108 class TerminateVnf(APIView):
 109     def post(self, request, instanceid):
 110         logger.debug("TerminateVnf--post::> %s" % request.data)
 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         rsp = {"jobId": job_id}
 115         return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
 116
 117
 118 class QueryMultipleVnf(APIView):
 119     def get(self, request):
 120         logger.debug("QueryMultipleVnf--get::> %s" % request.data)
 121         return Response(data='', status=status.HTTP_202_ACCEPTED)
 122
 123 # class QuerySingleVnf(APIView):
 124 #     def get(self, request, instanceid):
 125 #         logger.debug("QuerySingleVnf--get::> %s" % request.data)
 126 #         try:
 127 #             resp_data = QueryVnf(request.data, instanceid).query_single_vnf(instanceid)
 128 #         except NFLCMException as e:
 129 #             logger.error(e.message)
 130 #             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 131 #         except:
 132 #             logger.error(traceback.format_exc())
 133 #             return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
 134 #                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 135 #         return Response(data=resp_data, status=status.HTTP_202_ACCEPTED)
 136
 137
 138 # class GetOperationStatus(APIView):
 139 #     def get(self, request):
 140 #         logger.debug("GetOperationStatus--get::> %s" % request.data)
 141 #         return Response(data='', status=status.HTTP_202_ACCEPTED)
 142
 143
 144 class SwaggerJsonView(APIView):
 145     def get(self, request):
 146         json_file = os.path.join(os.path.dirname(__file__), 'swagger.json')
 147         f = open(json_file)
 148         json_data = json.JSONDecoder().decode(f.read())
 149         f.close()
 150         return Response(json_data)