# Copyright 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 threading import Thread from lcm.nf.const import VNF_STATUS, RESOURCE_MAP from lcm.pub.database.models import NfInstModel, VmInstModel, NetworkInstModel, StorageInstModel, \ PortInstModel, VNFCInstModel, FlavourInstModel, SubNetworkInstModel from lcm.pub.exceptions import NFLCMException from lcm.pub.msapi.gvnfmdriver import notify_lcm_to_nfvo from lcm.pub.utils.jobutil import JobUtil from lcm.pub.utils.timeutil import now_time from lcm.pub.utils.values import ignore_case_get from lcm.pub.vimapi import adaptor from lcm.nf.biz.grant_vnf import grant_resource logger = logging.getLogger(__name__) class TerminateVnf(Thread): def __init__(self, data, nf_inst_id, job_id): super(TerminateVnf, self).__init__() self.data = data self.nf_inst_id = nf_inst_id self.job_id = job_id self.terminationType = ignore_case_get(self.data, "terminationType") self.gracefulTerminationTimeout = ignore_case_get(self.data, "gracefulTerminationTimeout") self.inst_resource = {'volumn': [], 'network': [], 'subnet': [], 'port': [], 'flavor': [], 'vm': []} self.grant_type = "Terminate" def run(self): try: if self.term_pre(): vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1) apply_result = grant_resource(data=self.data, nf_inst_id=self.nf_inst_id, job_id=self.job_id, grant_type=self.grant_type, vdus=vdus) logger.info("Grant resource end, response: %s" % apply_result) JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish') self.query_inst_resource() self.query_notify_data() self.delete_resource() self.lcm_notify() JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.") except NFLCMException as e: self.vnf_term_failed_handle(e.message) except Exception as e: logger.error(e.message) self.vnf_term_failed_handle(traceback.format_exc()) def term_pre(self): vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id) if not vnf_insts.exists(): logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id) return False if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout: logger.warn("Set Graceful default termination timeout = 60") self.gracefulTerminationTimeout = 60 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING) JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish') logger.info("Nf terminating pre-check finish") return True def query_inst_resource(self): logger.info('Query resource begin') for resource_type in RESOURCE_MAP.keys(): resource_table = globals().get(resource_type + 'InstModel') resource_insts = resource_table.objects.filter(instid=self.nf_inst_id) for resource_inst in resource_insts: if not resource_inst.resouceid: continue self.inst_resource[RESOURCE_MAP.get(resource_type)].append(self.get_resource(resource_inst)) logger.info('Query resource end, resource=%s' % self.inst_resource) def get_resource(self, resource): return { "vim_id": resource.vimid, "tenant_id": resource.tenant, "res_id": resource.resouceid, "is_predefined": resource.is_predefined } def query_notify_data(self): logger.info('Send notify request to nfvo') affected_vnfc = [] vnfcs = VNFCInstModel.objects.filter(instid=self.nf_inst_id) for vnfc in vnfcs: vm_resource = {} if vnfc.vmid: vm = VmInstModel.objects.filter(vmid=vnfc.vmid) if vm: vm_resource = {'vimId': vm[0].vimid, 'resourceId': vm[0].resouceid, 'resourceName': vm[0].vmname, 'resourceType': 'vm'} affected_vnfc.append( {'vnfcInstanceId': vnfc.vnfcinstanceid, 'vduId': vnfc.vduid, 'changeType': 'removed', 'computeResource': vm_resource}) affected_vl = [] networks = NetworkInstModel.objects.filter(instid=self.nf_inst_id) for network in networks: network_resource = { 'vimId': network.vimid, 'resourceId': network.resouceid, 'resourceName': network.name, 'resourceType': 'network'} affected_vl.append( {'vlInstanceId': network.networkid, 'vldid': network.nodeId, 'changeType': 'removed', 'networkResource': network_resource}) affected_cp = [] ports = PortInstModel.objects.filter(instid=self.nf_inst_id) for port in ports: affected_cp.append( {'vsInstanceId': port.portid, 'cpdid': port.nodeId, 'changeType': 'removed', 'storageResource': {'vimId': port.vimid, 'resourceId': port.resouceid, 'resourceName': port.name, 'resourceType': 'port'}}) affected_vs = [] vss = StorageInstModel.objects.filter(instid=self.nf_inst_id) for vs in vss: affected_vs.append( {'vsInstanceId': vs.storageid, 'vsdId': vs.nodeId, 'changeType': 'removed', 'storageResource': {'vimId': vs.vimid, 'resourceId': vs.resouceid, 'resourceName': vs.name, 'resourceType': 'volume'}}) FlavourInstModel.objects.filter(instid=self.nf_inst_id) SubNetworkInstModel.objects.filter(instid=self.nf_inst_id) self.notify_data = { "status": 'result', "vnfInstanceId": self.nf_inst_id, "operation": 'Terminal', "jobId": self.job_id, 'affectedVnfc': affected_vnfc, 'affectedVirtualLink': affected_vl, 'affectedVirtualStorage': affected_vs, 'affectedCp': affected_cp} vnfInsts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id) self.notify_data['VNFMID'] = vnfInsts[0].vnfminstid logger.info('Notify request data=%s' % self.notify_data) def delete_resource(self): logger.info('Rollback resource begin') adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete) logger.info('Rollback resource complete') def do_notify_delete(self, res_type, res_id): logger.error('Deleting [%s] resource, resourceid [%s]' % (res_type, res_id)) resource_type = RESOURCE_MAP.keys()[RESOURCE_MAP.values().index(res_type)] resource_table = globals().get(resource_type + 'InstModel') resource_table.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete() def lcm_notify(self): NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='NOT_INSTANTIATED', lastuptime=now_time()) logger.info('Send notify request to nfvo') resp = notify_lcm_to_nfvo(json.dumps(self.notify_data)) logger.info('Lcm notify end, response: %s' % resp) def vnf_term_failed_handle(self, error_msg): logger.error('VNF termination failed, detail message: %s' % error_msg) NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time()) JobUtil.add_job_status(self.job_id, 255, error_msg)