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# Copyright 2016-2017 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.ns.biz.ns_delete import DeleteNsService
from lcm.ns.biz.ns_get import GetNSInfoService
from lcm.pub.exceptions import NSLCMException
from lcm.ns.serializers.deprecated.ns_serializers import _QueryNsRespSerializer
from .common import view_safe_call_with_log
logger = logging.getLogger(__name__)
class NSDetailView(APIView):
@swagger_auto_schema(
request_body=None,
responses={
status.HTTP_200_OK: _QueryNsRespSerializer(help_text="NS instance", many=True),
status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error",
status.HTTP_404_NOT_FOUND: "Ns instance does not exist"
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, ns_instance_id):
"""
Read an individual NS instance resource
:param request:
:param ns_instance_id:
:return:
"""
logger.debug("Enter NSDetailView::get ns(%s)", ns_instance_id)
ns_filter = {"ns_inst_id": ns_instance_id}
ret = GetNSInfoService(ns_filter).get_ns_info()
if not ret:
return Response(status=status.HTTP_404_NOT_FOUND)
logger.debug("Leave NSDetailView::get::ret=%s", ret)
resp_serializer = _QueryNsRespSerializer(data=ret[0])
if not resp_serializer.is_valid():
raise NSLCMException(resp_serializer.errors)
return Response(data=ret[0], status=status.HTTP_200_OK)
@swagger_auto_schema(
request_body=None,
responses={
status.HTTP_204_NO_CONTENT: 'successful',
status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
}
)
@view_safe_call_with_log(logger=logger)
def delete(self, request, ns_instance_id):
logger.debug("Enter NSDetailView::delete ns(%s)", ns_instance_id)
DeleteNsService(ns_instance_id).do_biz()
return Response(data={}, status=status.HTTP_204_NO_CONTENT)
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