# 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 os import traceback from rest_framework import status from rest_framework.response import Response from rest_framework.views import APIView from lcm.ns.ns_create import CreateNSService from lcm.ns.ns_delete import DeleteNsService from lcm.ns.ns_get import GetNSInfoService from lcm.ns.ns_heal import NSHealService from lcm.ns.ns_instant import InstantNSService from lcm.ns.ns_manual_scale import NSManualScaleService from lcm.ns.ns_terminate import TerminateNsService from lcm.pub.database.models import NSInstModel, ServiceBaseInfoModel 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 CreateNSView(APIView): def get(self, request): logger.debug("CreateNSView::get") filter = None csarId = ignore_case_get(request.META, 'csarId') if csarId: filter = {"csarId": csarId} ret = GetNSInfoService(filter).get_ns_info() logger.debug("CreateNSView::get::ret=%s", ret) return Response(data=ret, status=status.HTTP_200_OK) def post(self, request): logger.debug("Enter CreateNS: %s", request.data) if ignore_case_get(request.data, 'test') == "test": return Response(data={'nsInstanceId': "test"}, status=status.HTTP_201_CREATED) nsd_id = ignore_case_get(request.data, 'nsdId') ns_name = ignore_case_get(request.data, 'nsName') description = ignore_case_get(request.data, 'description') try: ns_inst_id = CreateNSService(nsd_id, ns_name, description).do_biz() 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) logger.debug("CreateNSView::post::ret={'nsInstanceId':%s}", ns_inst_id) return Response(data={'nsInstanceId': ns_inst_id}, status=status.HTTP_201_CREATED) class NSInstView(APIView): def post(self, request, ns_instance_id): ack = InstantNSService(ns_instance_id, request.data).do_biz() logger.debug("Leave NSInstView::post::ack=%s", ack) return Response(data=ack['data'], status=ack['status']) class TerminateNSView(APIView): def post(self, request, ns_instance_id): logger.debug("Enter TerminateNSView::post %s", request.data) 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) try: TerminateNsService(ns_instance_id, termination_type, graceful_termination_timeout, job_id).start() 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) ret = {'jobId': job_id} logger.debug("Leave TerminateNSView::post ret=%s", ret) return Response(data=ret, status=status.HTTP_202_ACCEPTED) class NSHealView(APIView): def post(self, request, ns_instance_id): logger.debug("Enter HealNSView::post %s", request.data) job_id = JobUtil.create_job("VNF", JOB_TYPE.HEAL_VNF, ns_instance_id) try: NSHealService(ns_instance_id, request.data, job_id).start() 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) ret = {'jobId': job_id} logger.debug("Leave HealNSView::post ret=%s", ret) return Response(data=ret, status=status.HTTP_202_ACCEPTED) class NSDetailView(APIView): def get(self, request, ns_instance_id): 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) return Response(data=ret, status=status.HTTP_200_OK) 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) class SwaggerJsonView(APIView): def get(self, request): json_file = os.path.join(os.path.dirname(__file__), 'swagger.json') f = open(json_file) json_data = json.JSONDecoder().decode(f.read()) f.close() return Response(json_data) class NSInstPostDealView(APIView): 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: 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): 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: NSManualScaleService(ns_instance_id, request.data, job_id).start() 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) return Response(data={'jobId': job_id}, status=status.HTTP_202_ACCEPTED)