# 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 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 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': []} 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 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 grant_resource(self): logger.info("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 vnfInsts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id) content_args['additionalParam']['vnfmid'] = vnfInsts[0].vnfminstid content_args['additionalParam']['vimid'] = vdus[0].vimid logger.info('Grant request data=%s' % content_args) self.apply_result = apply_grant_to_nfvo(json.dumps(content_args)) logger.info("Grant resource end, response: %s" % self.apply_result) JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish') 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_vnfcs = [] 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, 'resourceProviderId': vm[0].vmname, 'vimLevelResourceType': 'vm' } affected_vnfcs.append({ 'id': vnfc.vnfcinstanceid, 'vduId': vnfc.vduid, 'changeType': 'REMOVED', 'computeResource': vm_resource }) affected_vls = [] networks = NetworkInstModel.objects.filter(instid=self.nf_inst_id) for network in networks: network_resource = { 'vimConnectionId': network.vimid, 'resourceId': network.resouceid, 'resourceProviderId': network.name, 'vimLevelResourceType': 'network' } affected_vls.append({ 'id': network.networkid, 'virtualLinkDescId': network.nodeId, 'changeType': 'REMOVED', 'networkResource': network_resource }) ext_link_ports = [] ports = PortInstModel.objects.filter(instid=self.nf_inst_id) for port in ports: ext_link_ports.append({ 'id': port.portid, 'resourceHandle': { 'vimConnectionId': port.vimid, 'resourceId': port.resouceid, 'resourceProviderId': port.name, 'vimLevelResourceType': 'port' }, 'cpInstanceId': port.cpinstanceid }) affected_vss = [] vss = StorageInstModel.objects.filter(instid=self.nf_inst_id) for vs in vss: affected_vss.append({ 'id': vs.storageid, 'virtualStorageDescId': vs.nodeId, 'changeType': 'REMOVED', 'storageResource': { 'vimConnectionId': vs.vimid, 'resourceId': vs.resouceid, 'resourceProviderId': vs.name, 'vimLevelResourceType': 'volume' } }) FlavourInstModel.objects.filter(instid=self.nf_inst_id) SubNetworkInstModel.objects.filter(instid=self.nf_inst_id) self.notify_data = { "notificationType": 'VnfLcmOperationOccurrenceNotification', "notificationStatus": 'RESULT', "vnfInstanceId": self.nf_inst_id, "operation": 'TERMINATE', "vnfLcmOpOccId": self.job_id, 'affectedVnfcs': affected_vnfcs, 'affectedVirtualLinks': affected_vls, 'affectedVirtualStorages': affected_vss, 'chengedExtConnectivity': [{ 'id': None, # TODO 'resourceHandle': None, # TODO 'extLinkPorts': ext_link_ports }] } vnfInsts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id) self.notify_data['vnfmInstId'] = 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)