lcm/lcm/nf/vnfs/vnf_cancel/term_vnf.py

   1 # Copyright 2017 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import json
  16 import logging
  17 import traceback
  18 from threading import Thread
  19
  20 from lcm.nf.vnfs.const import VNF_STATUS
  21 from lcm.pub.database.models import NfInstModel, VmInstModel, NetworkInstModel, StorageInstModel, \
  22     FlavourInstModel, PortInstModel, SubNetworkInstModel, VNFCInstModel, NfvoRegInfoModel
  23 from lcm.pub.exceptions import NFLCMException
  24 from lcm.pub.msapi.gvnfmdriver import apply_grant_to_nfvo, notify_lcm_to_nfvo
  25 from lcm.pub.utils.jobutil import JobUtil
  26 from lcm.pub.utils.timeutil import now_time
  27 from lcm.pub.utils.values import ignore_case_get
  28 from lcm.pub.vimapi import adaptor
  29
  30 logger = logging.getLogger(__name__)
  31
  32
  33 class TermVnf(Thread):
  34     def __init__(self, data, nf_inst_id, job_id):
  35         super(TermVnf, self).__init__()
  36         self.data = data
  37         self.nf_inst_id = nf_inst_id
  38         self.job_id = job_id
  39         self.terminationType = ignore_case_get(self.data, "terminationType")
  40         self.gracefulTerminationTimeout = ignore_case_get(self.data, "gracefulTerminationTimeout")
  41         self.apply_result = None
  42         self.notify_data = None
  43         self.inst_resource = {'volumn': [],
  44                               'network': [],
  45                               'subnet': [],
  46                               'port': [],
  47                               'flavor': [],
  48                               'vm': [],
  49                               }
  50
  51     def run(self):
  52         try:
  53             if self.term_pre():
  54                 self.grant_resource()
  55                 self.query_inst_resource()
  56                 self.query_notify_data()
  57                 self.delete_resource()
  58                 self.lcm_notify()
  59             JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
  60         except NFLCMException as e:
  61             self.vnf_term_failed_handle(e.message)
  62         except:
  63             self.vnf_term_failed_handle(traceback.format_exc())
  64
  65     def term_pre(self):
  66         vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
  67         if not vnf_insts.exists():
  68             logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
  69             return False
  70             # raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
  71         # sel_vnf = vnf_insts[0]
  72         # if sel_vnf.status != 'VNF_INSTANTIATED':
  73         #    raise NFLCMException("Don't allow to terminate vnf(status:[%s])" % sel_vnf.status)
  74         if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
  75             logger.warn("Set Graceful default termination timeout = 60")
  76             self.gracefulTerminationTimeout = 60
  77             # raise NFLCMException("Graceful termination must set timeout")
  78
  79         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
  80         JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
  81         logger.info("Nf terminating pre-check finish")
  82         return True
  83
  84     def grant_resource(self):
  85         logger.info("nf_cancel_task grant_resource begin")
  86         content_args = {'vnfInstanceId': self.nf_inst_id, 'vnfDescriptorId': '',
  87                         'lifecycleOperation': 'Terminate', 'jobId': self.job_id,
  88                         'addResource': [], 'removeResource': [],
  89                         'placementConstraint': [], 'additionalParam': {}}
  90
  91         vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
  92         res_index = 1
  93         for vdu in vdus:
  94             res_def = {'type': 'VDU',
  95                        'resDefId': str(res_index),
  96                        'resDesId': vdu.resouceid}
  97             content_args['removeResource'].append(res_def)
  98             res_index += 1
  99
 100         vnfmInfo = NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id)
 101         if len(vnfmInfo) == 0:
 102             raise NFLCMException('nf_inst_id(%s) does not exist in NfvoRegInfoModel' % self.nf_inst_id)
 103         content_args['additionalParam']['vnfmid'] = vnfmInfo[0].vnfminstid
 104         content_args['additionalParam']['vimid'] = vnfmInfo[0].apiurl
 105         logger.info('content_args=%s' % content_args)
 106         self.apply_result = apply_grant_to_nfvo(json.dumps(content_args))
 107         logger.info("nf_cancel_task grant_resource end")
 108         JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
 109
 110     def query_inst_resource(self):
 111         logger.info('[query_resource begin]:inst_id=%s' % self.nf_inst_id)
 112         vol_list = StorageInstModel.objects.filter(instid=self.nf_inst_id)
 113         for vol in vol_list:
 114             vol_info = {}
 115             if not vol.resouceid:
 116                 continue
 117             vol_info["vim_id"] = vol.vimid
 118             vol_info["tenant_id"] = vol.tenant
 119             vol_info["res_id"] = vol.resouceid
 120             vol_info["is_predefined"] = vol.is_predefined
 121             self.inst_resource['volumn'].append(vol_info)
 122         logger.info('[query_volumn_resource]:ret_volumns=%s' % self.inst_resource['volumn'])
 123
 124         network_list = NetworkInstModel.objects.filter(instid=self.nf_inst_id)
 125         for network in network_list:
 126             network_info = {}
 127             if not network.resouceid:
 128                 continue
 129             network_info["vim_id"] = network.vimid
 130             network_info["tenant_id"] = network.tenant
 131             network_info["res_id"] = network.resouceid
 132             network_info["is_predefined"] = network.is_predefined
 133             self.inst_resource['network'].append(network_info)
 134         logger.info('[query_network_resource]:ret_networks=%s' % self.inst_resource['network'])
 135
 136         subnetwork_list = SubNetworkInstModel.objects.filter(instid=self.nf_inst_id)
 137         for subnetwork in subnetwork_list:
 138             subnetwork_info = {}
 139             if not subnetwork.resouceid:
 140                 continue
 141             subnetwork_info["vim_id"] = subnetwork.vimid
 142             subnetwork_info["tenant_id"] = subnetwork.tenant
 143             subnetwork_info["res_id"] = subnetwork.resouceid
 144             subnetwork_info["is_predefined"] = subnetwork.is_predefined
 145             self.inst_resource['subnet'].append(subnetwork_info)
 146         logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet'])
 147
 148         port_list = PortInstModel.objects.filter(instid=self.nf_inst_id)
 149         for port in port_list:
 150             port_info = {}
 151             if not port.resouceid:
 152                 continue
 153             port_info["vim_id"] = port.vimid
 154             port_info["tenant_id"] = port.tenant
 155             port_info["res_id"] = port.resouceid
 156             port_info["is_predefined"] = port.is_predefined
 157             self.inst_resource['port'].append(port_info)
 158         logger.info('[query_port_resource]:ret_networks=%s' % self.inst_resource['port'])
 159
 160         flavor_list = FlavourInstModel.objects.filter(instid=self.nf_inst_id)
 161         for flavor in flavor_list:
 162             flavor_info = {}
 163             if not flavor.resouceid:
 164                 continue
 165             flavor_info["vim_id"] = flavor.vimid
 166             flavor_info["tenant_id"] = flavor.tenant
 167             flavor_info["res_id"] = flavor.resouceid
 168             flavor_info["is_predefined"] = flavor.is_predefined
 169             self.inst_resource['flavor'].append(flavor_info)
 170         logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor'])
 171
 172         vm_list = VmInstModel.objects.filter(instid=self.nf_inst_id)
 173         for vm in vm_list:
 174             vm_info = {}
 175             if not vm.resouceid:
 176                 continue
 177             vm_info["vim_id"] = vm.vimid
 178             vm_info["tenant_id"] = vm.tenant
 179             vm_info["res_id"] = vm.resouceid
 180             vm_info["is_predefined"] = vm.is_predefined
 181             self.inst_resource['vm'].append(vm_info)
 182         logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm'])
 183
 184     def query_notify_data(self):
 185         logger.info('[NF terminate] send notify request to nfvo start')
 186         affected_vnfc = []
 187         vnfcs = VNFCInstModel.objects.filter(instid=self.nf_inst_id)
 188         for vnfc in vnfcs:
 189             vm_resource = {}
 190             if vnfc.vmid:
 191                 vm = VmInstModel.objects.filter(vmid=vnfc.vmid)
 192                 if vm:
 193                     vm_resource = {'vimId': vm[0].vimid, 'resourceId': vm[0].resouceid,
 194                                    'resourceName': vm[0].vmname, 'resourceType': 'vm'}
 195             affected_vnfc.append(
 196                 {'vnfcInstanceId': vnfc.vnfcinstanceid,
 197                  'vduId': vnfc.vduid,
 198                  'changeType': 'removed',
 199                  'computeResource': vm_resource})
 200         affected_vl = []
 201         networks = NetworkInstModel.objects.filter(instid=self.nf_inst_id)
 202         for network in networks:
 203             network_resource = {'vimId': network.vimid, 'resourceId': network.resouceid,
 204                                 'resourceName': network.name, 'resourceType': 'network'}
 205             affected_vl.append(
 206                 {'vlInstanceId': network.networkid,
 207                  'vldid': network.nodeId,
 208                  'changeType': 'removed',
 209                  'networkResource': network_resource})
 210         affected_cp = []
 211         ports = PortInstModel.objects.filter(instid=self.nf_inst_id)
 212         for port in ports:
 213             affected_cp.append(
 214                 {'vsInstanceId': port.portid,
 215                  'cpdid': port.nodeId,
 216                  'changeType': 'removed',
 217                  'storageResource': {'vimId': port.vimid, 'resourceId': port.resouceid,
 218                                      'resourceName': port.name, 'resourceType': 'port'}})
 219         affected_vs = []
 220         vss = StorageInstModel.objects.filter(instid=self.nf_inst_id)
 221         for vs in vss:
 222             affected_vs.append(
 223                 {'vsInstanceId': vs.storageid,
 224                  'vsdId': vs.nodeId,
 225                  'changeType': 'removed',
 226                  'storageResource': {'vimId': vs.vimid, 'resourceId': vs.resouceid,
 227                                      'resourceName': vs.name, 'resourceType': 'volume'}})
 228         self.notify_data = {
 229             "status": 'result',
 230             "vnfInstanceId": self.nf_inst_id,
 231             "operation": 'Terminal',
 232             "jobId": self.job_id,
 233             'affectedVnfc': affected_vnfc,
 234             'affectedVirtualLink': affected_vl,
 235             'affectedVirtualStorage': affected_vs,
 236             'affectedCp': affected_cp}
 237
 238         vnfmInfo = NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id)
 239         if len(vnfmInfo) == 0:
 240             raise NFLCMException('nf_inst_id(%s) does not exist in NfvoRegInfoModel' % self.nf_inst_id)
 241         self.notify_data['VNFMID'] = vnfmInfo[0].vnfminstid
 242         logger.info('content_args=%s' % self.notify_data)
 243
 244     def delete_resource(self):
 245         logger.info('rollback resource begin')
 246         adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete)
 247         logger.info('rollback resource complete')
 248
 249     def do_notify_delete(self, res_type, res_id):
 250         logger.error('Deleting [%s] resource:resourceid [%s]' % (res_type, res_id))
 251         if res_type == adaptor.RES_VM:
 252             VmInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 253         elif res_type == adaptor.RES_FLAVOR:
 254             FlavourInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 255         elif res_type == adaptor.RES_PORT:
 256             PortInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 257         elif res_type == adaptor.RES_SUBNET:
 258             SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 259         elif res_type == adaptor.RES_NETWORK:
 260             NetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 261         elif res_type == adaptor.RES_VOLUME:
 262             StorageInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 263
 264     def lcm_notify(self):
 265         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='NOT_INSTANTIATED', lastuptime=now_time())
 266         logger.info('[NF termination] send notify request to nfvo end')
 267         resp = notify_lcm_to_nfvo(json.dumps(self.notify_data))
 268         logger.info('[NF termination] get lcm response %s' % resp)
 269         logger.info('[NF termination] send notify request to nfvo end')
 270
 271     def vnf_term_failed_handle(self, error_msg):
 272         logger.error('VNF termination failed, detail message: %s' % error_msg)
 273         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
 274         JobUtil.add_job_status(self.job_id, 255, error_msg)