# 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 prepare_notification_data 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.notificationsutil import NotificationsUtil from lcm.pub.utils.values import ignore_case_get from lcm.pub.vimapi import adaptor from lcm.nf.biz.grant_vnf import grant_resource from lcm.nf.const import CHANGE_TYPE, GRANT_TYPE, OPERATION_TYPE from lcm.nf.const import OPERATION_TASK from lcm.nf.const import OPERATION_STATE_TYPE from .operate_vnf_lcm_op_occ import VnfLcmOpOcc 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 = GRANT_TYPE.TERMINATE self.lcm_op_occ = VnfLcmOpOcc( vnf_inst_id=nf_inst_id, lcm_op_id=job_id, operation=OPERATION_TYPE.SCALE, task=OPERATION_TASK.SCALE ) def run(self): try: if self.term_pre(): vdus = VmInstModel.objects.filter( instid=self.nf_inst_id, is_predefined=1 ) self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.STARTING) 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 ) self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.PROCESSING) 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) logger.error(traceback.format_exc()) self.vnf_term_failed_handle(e.message) 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.resourceid: 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.resourceid, "is_predefined": resource.is_predefined } def query_notify_data(self): self.notify_data = prepare_notification_data( self.nf_inst_id, self.job_id, CHANGE_TYPE.REMOVED, OPERATION_TYPE.TERMINATE ) NetworkInstModel.objects.filter(instid=self.nf_inst_id) StorageInstModel.objects.filter(instid=self.nf_inst_id) PortInstModel.objects.filter(instid=self.nf_inst_id) VNFCInstModel.objects.filter(instid=self.nf_inst_id) FlavourInstModel.objects.filter(instid=self.nf_inst_id) SubNetworkInstModel.objects.filter(instid=self.nf_inst_id) 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.debug('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, resourceid=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') try: resp = notify_lcm_to_nfvo(json.dumps(self.notify_data)) logger.info('Lcm notify end, response: %s' % resp) NotificationsUtil().send_notification(self.notify_data) except Exception as e: logger.error("Lcm terminate notify failed: %s", e.message) 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(lastuptime=now_time()) self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.FAILED, error_msg) JobUtil.add_job_status(self.job_id, 255, error_msg)