# Copyright 2019 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.serializers.sol.create_ns_serializers import CreateNsRequestSerializer from lcm.ns.serializers.sol.ns_instance import NsInstanceSerializer from lcm.pub.exceptions import BadRequestException, NSLCMException from lcm.pub.utils.values import ignore_case_get from lcm.ns.biz.ns_create import CreateNSService from lcm.ns.biz.ns_get import GetNSInfoService from lcm.ns.biz.ns_delete import DeleteNsService from lcm.ns.const import NS_INSTANCE_BASE_URI logger = logging.getLogger(__name__) class NSInstancesView(APIView): @swagger_auto_schema( request_body=None, responses={ status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=True), status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error" } ) def get(self, request): logger.debug(request.query_params) try: logger.debug("CreateNSView::get") ret = GetNSInfoService().get_ns_info(is_sol=True) # todo logger.debug("CreateNSView::get::ret=%s", ret) resp_serializer = NsInstanceSerializer(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 GetNS: %s", e.message) data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message} return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR) @swagger_auto_schema( request_body=CreateNsRequestSerializer(), responses={ status.HTTP_201_CREATED: NsInstanceSerializer(), status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error" } ) def post(self, request): logger.debug("Enter NSInstancesView::POST ns_instances: Header:%s, Body: %s" % (request.META, request.data)) try: globalCustomerId = request.META.get("HTTP_GLOBALCUSTOMERID", None) if not globalCustomerId: raise BadRequestException("Not found globalCustomerId in header") serviceType = request.META.get("HTTP_SERVICETYPE", None) if not serviceType: serviceType = "NetworkService" req_serializer = CreateNsRequestSerializer(data=request.data) if not req_serializer.is_valid(): raise BadRequestException(req_serializer.errors) if ignore_case_get(request.data, 'test') == "test": return Response(data={'nsInstanceId': "test"}, status=status.HTTP_201_CREATED) csar_id = ignore_case_get(request.data, 'nsdId') ns_name = ignore_case_get(request.data, 'nsName') description = ignore_case_get(request.data, 'nsDescription') context = { "globalCustomerId": globalCustomerId, "serviceType": serviceType } ns_inst_id = CreateNSService(csar_id, ns_name, description, context).do_biz() logger.debug("CreateNSView::post::ret={'nsInstanceId':%s}", ns_inst_id) ns_filter = {"ns_inst_id": ns_inst_id} nsInstance = GetNSInfoService(ns_filter).get_ns_info(is_sol=True)[0] logger.debug("nsInstance: %s" % nsInstance) resp_serializer = NsInstanceSerializer(data=nsInstance) if not resp_serializer.is_valid(): raise NSLCMException(resp_serializer.errors) response = Response(data=resp_serializer.data, status=status.HTTP_201_CREATED) response["Location"] = NS_INSTANCE_BASE_URI % nsInstance['id'] return response except BadRequestException as e: logger.error("Exception in CreateNS: %s", e.message) data = {'status': status.HTTP_400_BAD_REQUEST, 'detail': e.message} return Response(data=data, status=status.HTTP_400_BAD_REQUEST) except Exception as e: logger.error("Exception in CreateNS: %s", e.message) data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message} return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR) class IndividualNsInstanceView(APIView): @swagger_auto_schema( request_body=None, responses={ status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=False), status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error" } ) 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(is_sol=True) if not ret: data = {'status': status.HTTP_404_NOT_FOUND, 'detail': "NS Instance ID(%s) is not founded" % ns_instance_id} return Response(data=data, status=status.HTTP_404_NOT_FOUND) logger.debug("Leave NSDetailView::get::ret=%s", ret) resp_serializer = NsInstanceSerializer(data=ret[0]) 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) data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message} return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR) @swagger_auto_schema( request_body=None, responses={ status.HTTP_204_NO_CONTENT: "HTTP_204_NO_CONTENT" } ) 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) data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message} return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)