# 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 json import logging import traceback from drf_yasg.utils import swagger_auto_schema from lcm.ns.biz.ns_get import GetNSInfoService from lcm.ns.biz.ns_heal import NSHealService from lcm.ns.biz.ns_manual_scale import NSManualScaleService from lcm.ns.biz.ns_terminate import TerminateNsService 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.serializers.ns_serializers import HealNsReqSerializer from lcm.ns.serializers.ns_serializers import InstNsPostDealReqSerializer from lcm.ns.serializers.ns_serializers import ManualScaleNsReqSerializer from lcm.ns.serializers.ns_serializers import NsOperateJobSerializer from lcm.ns.serializers.ns_serializers import QueryNsRespSerializer from lcm.ns.serializers.ns_serializers import TerminateNsReqSerializer from lcm.pub.database.models import NSInstModel, ServiceBaseInfoModel from lcm.pub.exceptions import NSLCMException from lcm.pub.utils.jobutil import JobUtil, JOB_TYPE from lcm.pub.utils.restcall import req_by_msb from lcm.pub.utils.values import ignore_case_get logger = logging.getLogger(__name__) class TerminateNSView(APIView): @swagger_auto_schema( request_body=TerminateNsReqSerializer(), responses={ status.HTTP_202_ACCEPTED: NsOperateJobSerializer(), status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error" } ) def post(self, request, ns_instance_id): try: logger.debug("Enter TerminateNSView::post %s", request.data) req_serializer = TerminateNsReqSerializer(data=request.data) if not req_serializer.is_valid(): raise NSLCMException(req_serializer.errors) termination_type = ignore_case_get(request.data, 'terminationType') graceful_termination_timeout = ignore_case_get(request.data, 'gracefulTerminationTimeout') job_id = JobUtil.create_job("VNF", JOB_TYPE.TERMINATE_VNF, ns_instance_id) TerminateNsService(ns_instance_id, termination_type, graceful_termination_timeout, job_id).start() resp_serializer = NsOperateJobSerializer(data={'jobId': job_id}) if not resp_serializer.is_valid(): raise NSLCMException(resp_serializer.errors) logger.debug("Leave TerminateNSView::post ret=%s", resp_serializer.data) return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED) except Exception as e: logger.error("Exception in CreateNS: %s", e.message) return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR) class NSHealView(APIView): @swagger_auto_schema( request_body=HealNsReqSerializer(), responses={ status.HTTP_202_ACCEPTED: NsOperateJobSerializer(), status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error" } ) def post(self, request, ns_instance_id): try: logger.debug("Enter HealNSView::post %s", request.data) logger.debug("Enter HealNSView:: %s", ns_instance_id) req_serializer = HealNsReqSerializer(data=request.data) if not req_serializer.is_valid(): raise NSLCMException(req_serializer.errors) job_id = JobUtil.create_job("VNF", JOB_TYPE.HEAL_VNF, ns_instance_id) NSHealService(ns_instance_id, request.data, job_id).start() resp_serializer = NsOperateJobSerializer(data={'jobId': job_id}) if not resp_serializer.is_valid(): raise NSLCMException(resp_serializer.errors) logger.debug("Leave HealNSView::post ret=%s", resp_serializer.data) return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED) except Exception as e: logger.error("Exception in HealNSView: %s", e.message) return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR) 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) class NSInstPostDealView(APIView): @swagger_auto_schema( request_body=InstNsPostDealReqSerializer(help_text="NS instant post deal"), responses={ status.HTTP_202_ACCEPTED: "NS instant post deal success", status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error" } ) def post(self, request, ns_instance_id): logger.debug("Enter NSInstPostDealView::post %s, %s", request.data, ns_instance_id) ns_post_status = ignore_case_get(request.data, 'status') ns_status = 'ACTIVE' if ns_post_status == 'true' else 'FAILED' ns_opr_status = 'success' if ns_post_status == 'true' else 'failed' try: req_serializer = InstNsPostDealReqSerializer(data=request.data) if not req_serializer.is_valid(): raise NSLCMException(req_serializer.errors) NSInstModel.objects.filter(id=ns_instance_id).update(status=ns_status) ServiceBaseInfoModel.objects.filter(service_id=ns_instance_id).update( active_status=ns_status, status=ns_opr_status) nsd_info = NSInstModel.objects.filter(id=ns_instance_id) nsd_id = nsd_info[0].nsd_id nsd_model = json.loads(nsd_info[0].nsd_model) if "policies" in nsd_model and nsd_model["policies"]: policy = nsd_model["policies"][0] if "properties" in policy and policy["properties"]: file_url = ignore_case_get(policy["properties"][0], "drl_file_url") else: file_url = "" self.send_policy_request(ns_instance_id, nsd_id, file_url) except: logger.error(traceback.format_exc()) return Response(data={'error': 'Failed to update status of NS(%s)' % ns_instance_id}, status=status.HTTP_500_INTERNAL_SERVER_ERROR) logger.debug("*****NS INST %s, %s******", ns_status, ns_opr_status) return Response(data={'success': 'Update status of NS(%s) to %s' % (ns_instance_id, ns_status)}, status=status.HTTP_202_ACCEPTED) def send_policy_request(self, ns_instance_id, nsd_id, file_url): input_data = { "nsid": ns_instance_id, "nsdid": nsd_id, "fileUri": file_url } req_param = json.JSONEncoder().encode(input_data) policy_engine_url = 'api/polengine/v1/policyinfo' ret = req_by_msb(policy_engine_url, "POST", req_param) if ret[0] != 0: logger.error("Failed to send ns policy req") class NSManualScaleView(APIView): @swagger_auto_schema( request_body=ManualScaleNsReqSerializer(help_text="NS manual scale"), responses={ status.HTTP_202_ACCEPTED: NsOperateJobSerializer(), status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error" } ) def post(self, request, ns_instance_id): logger.debug("Enter NSManualScaleView::post %s, %s", request.data, ns_instance_id) job_id = JobUtil.create_job("NS", JOB_TYPE.MANUAL_SCALE_VNF, ns_instance_id) try: req_serializer = ManualScaleNsReqSerializer(data=request.data) if not req_serializer.is_valid(): raise NSLCMException(req_serializer.errors) NSManualScaleService(ns_instance_id, request.data, job_id).start() resp_serializer = NsOperateJobSerializer(data={'jobId': job_id}) if not resp_serializer.is_valid(): raise NSLCMException(resp_serializer.errors) return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED) except Exception as e: logger.error(traceback.format_exc()) JobUtil.add_job_status(job_id, 255, 'NS scale failed: %s' % e.message) return Response(data={'error': 'NS scale failed: %s' % ns_instance_id}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)