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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 logging
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.nf.biz.create_vnf import CreateVnf
from lcm.nf.biz.query_vnf import QueryVnf
from lcm.nf.biz.update_vnf import UpdateVnf
from lcm.nf.biz.delete_vnf import DeleteVnf
from lcm.nf.serializers.create_vnf_req import CreateVnfReqSerializer
from lcm.nf.serializers.vnf_instance import VnfInstanceSerializer
from lcm.nf.serializers.vnf_instances import VnfInstancesSerializer
from lcm.nf.serializers.vnf_info_modifications import VnfInfoModificationsSerializer
from lcm.pub.exceptions import NFLCMException
from lcm.nf.const import VNF_STATUS
from lcm.nf.const import OPERATION_TYPE
from .common import view_safe_call_with_log
from .common import deal_vnf_action
from .common import deal_indivdual_query
from lcm.pub.exceptions import NFLCMExceptionBadRequest
logger = logging.getLogger(__name__)
class CreateVnfAndQueryVnfs(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: VnfInstancesSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request):
logger.debug("QueryMultiVnf--get::> %s" % request.data)
resp_data = QueryVnf(request.data).query_multi_vnf()
if len(resp_data) == 0:
return Response(data=[], status=status.HTTP_200_OK)
vnf_instances_serializer = VnfInstancesSerializer(data=resp_data)
if not vnf_instances_serializer.is_valid():
raise NFLCMException(vnf_instances_serializer.errors)
return Response(data=resp_data, status=status.HTTP_200_OK)
@swagger_auto_schema(
request_body=CreateVnfReqSerializer(),
responses={
status.HTTP_201_CREATED: VnfInstanceSerializer(),
status.HTTP_400_BAD_REQUEST: "Bad Request",
status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
}
)
@view_safe_call_with_log(logger=logger)
def post(self, request):
logger.debug("CreateVnfIdentifier--post::> %s" % request.data)
req_serializer = CreateVnfReqSerializer(data=request.data)
if not req_serializer.is_valid():
raise NFLCMExceptionBadRequest(req_serializer.errors)
nf_inst = CreateVnf(request.data).do_biz()
rsp_data = {"id": nf_inst.nfinstid,
"vnfProvider": nf_inst.vendor,
"vnfdVersion": nf_inst.version,
"vnfPkgId": nf_inst.package_id,
"instantiationState": nf_inst.status}
create_vnf_resp_serializer = VnfInstanceSerializer(data=rsp_data)
if not create_vnf_resp_serializer.is_valid():
raise NFLCMException(create_vnf_resp_serializer.errors)
return Response(data=rsp_data, status=status.HTTP_201_CREATED)
class DeleteVnfAndQueryVnf(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: VnfInstanceSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, instanceid):
logger.debug("QuerySingleVnf--get::> %s" % request.data)
return deal_indivdual_query(res_serializer=VnfInstanceSerializer,
query_fun=QueryVnf(
request.data,
instanceid).query_single_vnf)
@swagger_auto_schema(
responses={
status.HTTP_204_NO_CONTENT: "Successfully",
status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
}
)
@view_safe_call_with_log(logger=logger)
def delete(self, request, instanceid):
logger.debug("DeleteVnfIdentifier--delete::> %s" % instanceid)
DeleteVnf(request.data, instanceid).do_biz()
return Response(data=None, status=status.HTTP_204_NO_CONTENT)
@swagger_auto_schema(
request_body=VnfInfoModificationsSerializer(),
responses={
status.HTTP_202_ACCEPTED: "Successfully",
status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
}
)
@view_safe_call_with_log(logger=logger)
def patch(self, request, instanceid):
return deal_vnf_action(
logger=logger,
opt_type=OPERATION_TYPE.MODIFY_INFO,
opt_status=VNF_STATUS.UPDATING,
instid=instanceid,
req=request,
req_serializer=VnfInfoModificationsSerializer,
act_task=UpdateVnf
)
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