# 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 from lcm.pub.database.models import NfInstModel, VmInstModel, NetworkInstModel, StorageInstModel, \ FlavourInstModel, PortInstModel, SubNetworkInstModel, VNFCInstModel, NfvoRegInfoModel from lcm.pub.exceptions import NFLCMException from lcm.pub.msapi.gvnfmdriver 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: if 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 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 # 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: logger.warn("Set Graceful default termination timeout = 60") self.gracefulTerminationTimeout = 60 # 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") return True def grant_resource(self): logger.info("nf_cancel_task grant_resource begin") content_args = { 'vnfInstanceId': self.nf_inst_id, 'vnfDescriptorId': '', 'lifecycleOperation': 'Terminate', '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 vnfmInfo = NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id) if len(vnfmInfo) == 0: raise NFLCMException('nf_inst_id(%s) does not exist in NfvoRegInfoModel' % self.nf_inst_id) content_args['additionalParam']['vnfmid'] = vnfmInfo[0].vnfminstid content_args['additionalParam']['vimid'] = vnfmInfo[0].apiurl logger.info('content_args=%s' % content_args) self.apply_result = apply_grant_to_nfvo(json.dumps(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) resoure_map = { 'Storage': 'volumn', 'Network': 'network', 'SubNetwork': 'subnet', 'Port': 'port', 'Flavour': 'flavor', 'Vm': 'vm' } for resoure_type in resoure_map.keys(): resoure_table = globals().get(resoure_type + 'InstModel') resoure_insts = resoure_table.objects.filter(instid=self.nf_inst_id) for resoure_inst in resoure_insts: if not resoure_inst.resouceid: continue self.inst_resource[resoure_map.get(resoure_type)].append(self.get_resource(resoure_inst)) logger.info('[query_resource]:ret_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('[NF terminate] 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', "vnfInstanceId": self.nf_inst_id, "operation": 'Terminal', "jobId": self.job_id, 'affectedVnfc': affected_vnfc, 'affectedVirtualLink': affected_vl, 'affectedVirtualStorage': affected_vs, 'affectedCp': affected_cp} vnfmInfo = NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id) if len(vnfmInfo) == 0: raise NFLCMException('nf_inst_id(%s) does not exist in NfvoRegInfoModel' % self.nf_inst_id) self.notify_data['VNFMID'] = vnfmInfo[0].vnfminstid logger.info('content_args=%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)) 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(json.dumps(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)