# 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 logging import traceback from threading import Thread from lcm.nf.vnfs.const import VNF_STATUS from lcm.pub.database.models import NfInstModel, VmInstModel, NetworkInstModel, StorageInstModel, \ FlavourInstModel, PortInstModel, SubNetworkInstModel, VNFCInstModel from lcm.pub.exceptions import NFLCMException from lcm.pub.msapi.nfvolcm import apply_grant_to_nfvo, 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 logger = logging.getLogger(__name__) class TermVnf(Thread): def __init__(self, data, nf_inst_id, job_id): super(TermVnf, 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.apply_result = None self.notify_data = None self.inst_resource = {'volumn': [], 'network': [], 'subnet': [], 'port': [], 'flavor': [], 'vm': [], } def run(self): try: self.term_pre() self.grant_resource() 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: 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(): raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id) sel_vnf = vnf_insts[0] if sel_vnf.status != 'VNF_INSTANTIATED': raise NFLCMException("Don't allow to terminate vnf(status:[%s])" % sel_vnf.status) if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout: raise NFLCMException("Graceful termination must set timeout") 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") def grant_resource(self): logger.info("nf_cancel_task grant_resource begin") content_args = {'vnfInstanceId': self.nf_inst_id, 'vnfDescriptorId': '', 'lifecycleOperation': 'Instantiate', 'jobId': self.job_id, 'addResource': [], 'removeResource': [], 'placementConstraint': [], 'additionalParam': {}} vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1) res_index = 1 for vdu in vdus: res_def = {'type': 'VDU', 'resDefId': str(res_index), 'resDesId': vdu.resouceid} content_args['removeResource'].append(res_def) res_index += 1 logger.info('content_args=%s' % content_args) self.apply_result = apply_grant_to_nfvo(content_args) logger.info("nf_cancel_task grant_resource end") JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish') def query_inst_resource(self): logger.info('[query_resource begin]:inst_id=%s' % self.nf_inst_id) vol_list = StorageInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1) for vol in vol_list: vol_info = {} if not vol.resouceid: continue vol_info["vim_id"] = vol.vimid vol_info["tenant_id"] = vol.tenant vol_info["res_id"] = vol.resouceid self.inst_resource['volumn'].append(vol_info) logger.info('[query_volumn_resource]:ret_volumns=%s' % self.inst_resource['volumn']) network_list = NetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1) for network in network_list: network_info = {} if not network.resouceid: continue network_info["vim_id"] = network.vimid network_info["tenant_id"] = network.tenant network_info["res_id"] = network.resouceid self.inst_resource['network'].append(network_info) logger.info('[query_network_resource]:ret_networks=%s' % self.inst_resource['network']) subnetwork_list = SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1) for subnetwork in subnetwork_list: subnetwork_info = {} if not subnetwork.resouceid: continue subnetwork_info["vim_id"] = subnetwork.vimid subnetwork_info["tenant_id"] = subnetwork.tenant subnetwork_info["res_id"] = subnetwork.resouceid self.inst_resource['subnet'].append(subnetwork_info) logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet']) port_list = PortInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1) for port in port_list: port_info = {} if not port.resouceid: continue port_info["vim_id"] = port.vimid port_info["tenant_id"] = port.tenant port_info["res_id"] = port.resouceid self.inst_resource['port'].append(port_info) logger.info('[query_port_resource]:ret_networks=%s' % self.inst_resource['port']) flavor_list = FlavourInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1) for flavor in flavor_list: flavor_info = {} if not flavor.resouceid: continue flavor_info["vim_id"] = flavor.vimid flavor_info["tenant_id"] = flavor.tenant flavor_info["res_id"] = flavor.resouceid self.inst_resource['flavor'].append(flavor_info) logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor']) vm_list = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1) for vm in vm_list: vm_info = {} if not vm.resouceid: continue vm_info["vim_id"] = vm.vimid vm_info["tenant_id"] = vm.tenant vm_info["res_id"] = vm.resouceid self.inst_resource['vm'].append(vm_info) logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm']) def query_notify_data(self): logger.info('[NF instantiation] send notify request to nfvo start') 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'}}) self.notify_data = { "status": 'result', "nfInstanceId": self.nf_inst_id, "operation": 'Terminal', "jobId": self.job_id, 'affectedVnfc': affected_vnfc, 'affectedVirtualLink': affected_vl, 'affectedVirtualStorage': affected_vs, 'affectedCp': affected_cp } logger.info('content_args=%s' % self.notify_data) def delete_resource(self): logger.error('rollback resource begin') adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete) logger.error('rollback resource complete') def do_notify_delete(self, res_type, res_id): logger.error('Deleting [%s] resource:resourceid [%s]' % (res_type, res_id)) if res_type == adaptor.RES_VM: VmInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete() elif res_type == adaptor.RES_FLAVOR: FlavourInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete() elif res_type == adaptor.RES_PORT: PortInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete() elif res_type == adaptor.RES_SUBNET: SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete() elif res_type == adaptor.RES_NETWORK: NetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete() elif res_type == adaptor.RES_VOLUME: StorageInstModel.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('[NF termination] send notify request to nfvo end') resp = notify_lcm_to_nfvo(self.notify_data) logger.info('[NF termination] get lcm response %s' % resp) logger.info('[NF termination] send notify request to nfvo end') 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)