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# Copyright 2017 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import logging
import os
import traceback
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from lcm.nf.vnfs.vnf_cancel.delete_vnf_identifier import DeleteVnf
from lcm.nf.vnfs.vnf_cancel.term_vnf import TermVnf
from lcm.nf.vnfs.vnf_create.create_vnf_identifier import CreateVnf
from lcm.nf.vnfs.vnf_create.inst_vnf import InstVnf
from lcm.nf.vnfs.vnf_query.query_vnf import QueryVnf
from lcm.pub.exceptions import NFLCMException
from lcm.pub.utils.jobutil import JobUtil
logger = logging.getLogger(__name__)
class CreateVnfAndQueryVnfs(APIView):
def get(self, request):
logger.debug("QuerySingleVnf--get::> %s" % request.data)
try:
resp_data = QueryVnf(request.data).query_multi_vnf()
except NFLCMException as e:
logger.error(e.message)
return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
except:
logger.error(traceback.format_exc())
return Response(data={'error': 'Failed to get Vnfs'},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
return Response(data=resp_data, status=status.HTTP_200_OK)
def post(self, request):
logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
try:
nf_inst_id = CreateVnf(request.data).do_biz()
except NFLCMException as e:
logger.error(e.message)
return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
except Exception:
logger.error(traceback.format_exc())
return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
rsp = {"vnfInstanceId": nf_inst_id}
return Response(data=rsp, status=status.HTTP_201_CREATED)
class InstantiateVnf(APIView):
def post(self, request, instanceid):
logger.debug("InstantiateVnf--post::> %s" % request.data)
try:
job_id = JobUtil.create_job('NF', 'INSTANTIATE', instanceid)
JobUtil.add_job_status(job_id, 0, "INST_VNF_READY")
InstVnf(request.data, instanceid, job_id).start()
except NFLCMException as e:
logger.error(e.message)
return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
except Exception:
logger.error(traceback.format_exc())
return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
rsp = {"jobId": job_id}
return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
class DeleteVnfAndQueryVnf(APIView):
def get(self, request, instanceid):
logger.debug("QuerySingleVnf--get::> %s" % request.data)
try:
resp_data = QueryVnf(request.data, instanceid).query_single_vnf()
except NFLCMException as e:
logger.error(e.message)
return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
except:
logger.error(traceback.format_exc())
return Response(data={'error': 'Failed to get Vnf(%s)' % instanceid},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
return Response(data=resp_data, status=status.HTTP_200_OK)
def delete(self, request, instanceid):
logger.debug("DeleteVnfIdentifier--delete::> %s" % request.data)
try:
DeleteVnf(request.data, instanceid).do_biz()
except NFLCMException as e:
logger.error(e.message)
return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
except Exception:
logger.error(traceback.format_exc())
return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
return Response(data=None, status=status.HTTP_204_NO_CONTENT)
class TerminateVnf(APIView):
def post(self, request, instanceid):
logger.debug("TerminateVnf--post::> %s" % request.data)
try:
job_id = JobUtil.create_job('NF', 'TERMINATE', instanceid)
JobUtil.add_job_status(job_id, 0, "TERM_VNF_READY")
TermVnf(request.data, instanceid, job_id).start()
except NFLCMException as e:
logger.error(e.message)
return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
except Exception:
logger.error(traceback.format_exc())
return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
rsp = {"jobId": job_id}
return Response(data=rsp, status=status.HTTP_202_ACCEPTED)
class SwaggerJsonView(APIView):
def get(self, request):
json_file = os.path.join(os.path.dirname(__file__), 'swagger.json')
f = open(json_file)
json_data = json.JSONDecoder().decode(f.read())
f.close()
return Response(json_data)
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