+# 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
+import traceback
+
+from rest_framework import status
+from rest_framework.response import Response
+from rest_framework.views import APIView
+from drf_yasg.utils import swagger_auto_schema
+
+from lcm.ns.biz.ns_get import GetNSInfoService
+from lcm.ns.biz.ns_delete import DeleteNsService
+from lcm.ns.serializers.ns_serializers import QueryNsRespSerializer
+from lcm.pub.exceptions import NSLCMException
+
+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"
+ }
+ )
+ def get(self, request, ns_instance_id):
+ try:
+ 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, many=True)
+ 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 GetNSDetail: %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_204_NO_CONTENT: 'successful',
+ status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
+ }
+ )
+ def delete(self, request, ns_instance_id):
+ try:
+ 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)
+ except Exception as e:
+ logger.error(traceback.format_exc())
+ logger.error("Exception in delete NS: %s", e.message)
+ return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)