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# Copyright 2018 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 logging
import traceback
from drf_yasg.utils import swagger_auto_schema
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from lcm.ns_pnfs.serializers.pnf_serializer import PnfInstanceSerializer, PnfInstancesSerializer
from lcm.ns_pnfs.biz.create_pnf import CreatePnf
from lcm.ns_pnfs.biz.delete_pnf import DeletePnf
from lcm.ns_pnfs.biz.get_pnf import GetPnf
from lcm.pub.exceptions import NSLCMException
logger = logging.getLogger(__name__)
class PnfView(APIView):
@swagger_auto_schema(
request_body=PnfInstanceSerializer(),
responses={
status.HTTP_201_CREATED: PnfInstanceSerializer()
}
)
def post(self, request):
logger.debug("PnfView--post::> %s" % request.data)
req_serializer = PnfInstanceSerializer(data=request.data)
if not req_serializer.is_valid():
logger.error(req_serializer.errors)
resp = {"result": 1, "detail": req_serializer.errors, "pnfId": ""}
return Response(data=resp, status=status.HTTP_201_CREATED)
pnfInstData = CreatePnf(request.data).do_biz()
resp_serializer = PnfInstanceSerializer(data=pnfInstData.__dict__)
if not resp_serializer.is_valid():
logger.error(resp_serializer.errors)
resp = {"result": 1, "detail": resp_serializer.errors, "pnfId": ""}
return Response(data=resp, status=status.HTTP_201_CREATED)
return Response(data=resp_serializer.data, status=status.HTTP_201_CREATED)
@swagger_auto_schema(
request_body=None,
responses={
status.HTTP_200_OK: PnfInstancesSerializer(help_text="Pnf instances", many=True),
status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
}
)
def get(self, request):
try:
logger.debug("PnfView::get")
pnfInstDataSet = GetPnf().do_biz()
logger.debug("PnfView::get::ret=%s", pnfInstDataSet)
resp_serializer = PnfInstancesSerializer(data=[pnfInstData.__dict__ for pnfInstData in pnfInstDataSet])
if not resp_serializer.is_valid():
raise NSLCMException(resp_serializer.errors)
return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
except Exception as e:
logger.error(traceback.format_exc())
logger.error("Exception in GetPnf: %s", e.message)
return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class IndividualPnfView(APIView):
@swagger_auto_schema(
request_body=None,
responses={
status.HTTP_204_NO_CONTENT: 'successful',
status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
}
)
def delete(self, request, pnf_id):
try:
logger.debug("Enter IndividualPnfView::delete pnf(%s)", pnf_id)
DeletePnf(pnf_id).do_biz()
return Response(data={}, status=status.HTTP_204_NO_CONTENT)
except Exception as e:
logger.error(traceback.format_exc())
logger.error("Exception in delete pnf: %s", e.message)
return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
@swagger_auto_schema(
request_body=None,
responses={
status.HTTP_200_OK: PnfInstanceSerializer(help_text="Pnf instance", many=True),
status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error",
status.HTTP_404_NOT_FOUND: "Pnf instance does not exist"
}
)
def get(self, request, pnf_id):
try:
logger.debug("Enter IndividualPnfView::get pnf(%s)", pnf_id)
pnf_filter = {"pnfId": pnf_id}
pnfInstData = GetPnf(pnf_filter, True).do_biz()
if not pnfInstData:
return Response(status=status.HTTP_404_NOT_FOUND)
logger.debug("Leave IndividualPnfView::get::ret=%s", pnfInstData)
resp_serializer = PnfInstanceSerializer(data=pnfInstData.__dict__)
if not resp_serializer.is_valid():
raise NSLCMException(resp_serializer.errors)
return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
except Exception as e:
logger.error(traceback.format_exc())
logger.error("Exception in IndividualPnfView: %s", e.message)
return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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