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 = {
  44             'volumn': [],
  45             'network': [],
  46             'subnet': [],
  47             'port': [],
  48             'flavor': [],
  49             'vm': [],
  50         }
  51
  52     def run(self):
  53         try:
  54             if self.term_pre():
  55                 self.grant_resource()
  56                 self.query_inst_resource()
  57                 self.query_notify_data()
  58                 self.delete_resource()
  59                 self.lcm_notify()
  60             JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
  61         except NFLCMException as e:
  62             self.vnf_term_failed_handle(e.message)
  63         except Exception as e:
  64             logger.error(e.message)
  65             self.vnf_term_failed_handle(traceback.format_exc())
  66
  67     def term_pre(self):
  68         vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
  69         if not vnf_insts.exists():
  70             logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
  71             return False
  72             # raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
  73         # sel_vnf = vnf_insts[0]
  74         # if sel_vnf.status != 'VNF_INSTANTIATED':
  75         #    raise NFLCMException("Don't allow to terminate vnf(status:[%s])" % sel_vnf.status)
  76         if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
  77             logger.warn("Set Graceful default termination timeout = 60")
  78             self.gracefulTerminationTimeout = 60
  79             # raise NFLCMException("Graceful termination must set timeout")
  80
  81         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
  82         JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
  83         logger.info("Nf terminating pre-check finish")
  84         return True
  85
  86     def grant_resource(self):
  87         logger.info("nf_cancel_task grant_resource begin")
  88         content_args = {'vnfInstanceId': self.nf_inst_id, 'vnfDescriptorId': '',
  89                         'lifecycleOperation': 'Terminate', 'jobId': self.job_id,
  90                         'addResource': [], 'removeResource': [],
  91                         'placementConstraint': [], 'additionalParam': {}}
  92
  93         vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
  94         res_index = 1
  95         for vdu in vdus:
  96             res_def = {'type': 'VDU',
  97                        'resDefId': str(res_index),
  98                        'resDesId': vdu.resouceid}
  99             content_args['removeResource'].append(res_def)
 100             res_index += 1
 101
 102         vnfmInfo = NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id)
 103         if len(vnfmInfo) == 0:
 104             raise NFLCMException('nf_inst_id(%s) does not exist in NfvoRegInfoModel' % self.nf_inst_id)
 105         content_args['additionalParam']['vnfmid'] = vnfmInfo[0].vnfminstid
 106         content_args['additionalParam']['vimid'] = vnfmInfo[0].apiurl
 107         logger.info('content_args=%s' % content_args)
 108         self.apply_result = apply_grant_to_nfvo(json.dumps(content_args))
 109         logger.info("nf_cancel_task grant_resource end")
 110         JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
 111
 112     def query_inst_resource(self):
 113         logger.info('[query_resource begin]:inst_id=%s' % self.nf_inst_id)
 114         vol_list = StorageInstModel.objects.filter(instid=self.nf_inst_id)
 115         for vol in vol_list:
 116             vol_info = {}
 117             if not vol.resouceid:
 118                 continue
 119             vol_info["vim_id"] = vol.vimid
 120             vol_info["tenant_id"] = vol.tenant
 121             vol_info["res_id"] = vol.resouceid
 122             vol_info["is_predefined"] = vol.is_predefined
 123             self.inst_resource['volumn'].append(vol_info)
 124         logger.info('[query_volumn_resource]:ret_volumns=%s' % self.inst_resource['volumn'])
 125
 126         network_list = NetworkInstModel.objects.filter(instid=self.nf_inst_id)
 127         for network in network_list:
 128             network_info = {}
 129             if not network.resouceid:
 130                 continue
 131             network_info["vim_id"] = network.vimid
 132             network_info["tenant_id"] = network.tenant
 133             network_info["res_id"] = network.resouceid
 134             network_info["is_predefined"] = network.is_predefined
 135             self.inst_resource['network'].append(network_info)
 136         logger.info('[query_network_resource]:ret_networks=%s' % self.inst_resource['network'])
 137
 138         subnetwork_list = SubNetworkInstModel.objects.filter(instid=self.nf_inst_id)
 139         for subnetwork in subnetwork_list:
 140             subnetwork_info = {}
 141             if not subnetwork.resouceid:
 142                 continue
 143             subnetwork_info["vim_id"] = subnetwork.vimid
 144             subnetwork_info["tenant_id"] = subnetwork.tenant
 145             subnetwork_info["res_id"] = subnetwork.resouceid
 146             subnetwork_info["is_predefined"] = subnetwork.is_predefined
 147             self.inst_resource['subnet'].append(subnetwork_info)
 148         logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet'])
 149
 150         port_list = PortInstModel.objects.filter(instid=self.nf_inst_id)
 151         for port in port_list:
 152             port_info = {}
 153             if not port.resouceid:
 154                 continue
 155             port_info["vim_id"] = port.vimid
 156             port_info["tenant_id"] = port.tenant
 157             port_info["res_id"] = port.resouceid
 158             port_info["is_predefined"] = port.is_predefined
 159             self.inst_resource['port'].append(port_info)
 160         logger.info('[query_port_resource]:ret_networks=%s' % self.inst_resource['port'])
 161
 162         flavor_list = FlavourInstModel.objects.filter(instid=self.nf_inst_id)
 163         for flavor in flavor_list:
 164             flavor_info = {}
 165             if not flavor.resouceid:
 166                 continue
 167             flavor_info["vim_id"] = flavor.vimid
 168             flavor_info["tenant_id"] = flavor.tenant
 169             flavor_info["res_id"] = flavor.resouceid
 170             flavor_info["is_predefined"] = flavor.is_predefined
 171             self.inst_resource['flavor'].append(flavor_info)
 172         logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor'])
 173
 174         vm_list = VmInstModel.objects.filter(instid=self.nf_inst_id)
 175         for vm in vm_list:
 176             vm_info = {}
 177             if not vm.resouceid:
 178                 continue
 179             vm_info["vim_id"] = vm.vimid
 180             vm_info["tenant_id"] = vm.tenant
 181             vm_info["res_id"] = vm.resouceid
 182             vm_info["is_predefined"] = vm.is_predefined
 183             self.inst_resource['vm'].append(vm_info)
 184         logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm'])
 185
 186     def query_notify_data(self):
 187         logger.info('[NF terminate] send notify request to nfvo start')
 188         affected_vnfc = []
 189         vnfcs = VNFCInstModel.objects.filter(instid=self.nf_inst_id)
 190         for vnfc in vnfcs:
 191             vm_resource = {}
 192             if vnfc.vmid:
 193                 vm = VmInstModel.objects.filter(vmid=vnfc.vmid)
 194                 if vm:
 195                     vm_resource = {'vimId': vm[0].vimid, 'resourceId': vm[0].resouceid,
 196                                    'resourceName': vm[0].vmname, 'resourceType': 'vm'}
 197             affected_vnfc.append(
 198                 {'vnfcInstanceId': vnfc.vnfcinstanceid,
 199                  'vduId': vnfc.vduid,
 200                  'changeType': 'removed',
 201                  'computeResource': vm_resource})
 202         affected_vl = []
 203         networks = NetworkInstModel.objects.filter(instid=self.nf_inst_id)
 204         for network in networks:
 205             network_resource = {'vimId': network.vimid, 'resourceId': network.resouceid,
 206                                 'resourceName': network.name, 'resourceType': 'network'}
 207             affected_vl.append(
 208                 {'vlInstanceId': network.networkid,
 209                  'vldid': network.nodeId,
 210                  'changeType': 'removed',
 211                  'networkResource': network_resource})
 212         affected_cp = []
 213         ports = PortInstModel.objects.filter(instid=self.nf_inst_id)
 214         for port in ports:
 215             affected_cp.append(
 216                 {'vsInstanceId': port.portid,
 217                  'cpdid': port.nodeId,
 218                  'changeType': 'removed',
 219                  'storageResource': {'vimId': port.vimid, 'resourceId': port.resouceid,
 220                                      'resourceName': port.name, 'resourceType': 'port'}})
 221         affected_vs = []
 222         vss = StorageInstModel.objects.filter(instid=self.nf_inst_id)
 223         for vs in vss:
 224             affected_vs.append(
 225                 {'vsInstanceId': vs.storageid,
 226                  'vsdId': vs.nodeId,
 227                  'changeType': 'removed',
 228                  'storageResource': {'vimId': vs.vimid, 'resourceId': vs.resouceid,
 229                                      'resourceName': vs.name, 'resourceType': 'volume'}})
 230         self.notify_data = {
 231             "status": 'result',
 232             "vnfInstanceId": self.nf_inst_id,
 233             "operation": 'Terminal',
 234             "jobId": self.job_id,
 235             'affectedVnfc': affected_vnfc,
 236             'affectedVirtualLink': affected_vl,
 237             'affectedVirtualStorage': affected_vs,
 238             'affectedCp': affected_cp}
 239
 240         vnfmInfo = NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id)
 241         if len(vnfmInfo) == 0:
 242             raise NFLCMException('nf_inst_id(%s) does not exist in NfvoRegInfoModel' % self.nf_inst_id)
 243         self.notify_data['VNFMID'] = vnfmInfo[0].vnfminstid
 244         logger.info('content_args=%s' % self.notify_data)
 245
 246     def delete_resource(self):
 247         logger.info('rollback resource begin')
 248         adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete)
 249         logger.info('rollback resource complete')
 250
 251     def do_notify_delete(self, res_type, res_id):
 252         logger.error('Deleting [%s] resource:resourceid [%s]' % (res_type, res_id))
 253         if res_type == adaptor.RES_VM:
 254             VmInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 255         elif res_type == adaptor.RES_FLAVOR:
 256             FlavourInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 257         elif res_type == adaptor.RES_PORT:
 258             PortInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 259         elif res_type == adaptor.RES_SUBNET:
 260             SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 261         elif res_type == adaptor.RES_NETWORK:
 262             NetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 263         elif res_type == adaptor.RES_VOLUME:
 264             StorageInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 265
 266     def lcm_notify(self):
 267         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='NOT_INSTANTIATED', lastuptime=now_time())
 268         logger.info('[NF termination] send notify request to nfvo end')
 269         resp = notify_lcm_to_nfvo(json.dumps(self.notify_data))
 270         logger.info('[NF termination] get lcm response %s' % resp)
 271         logger.info('[NF termination] send notify request to nfvo end')
 272
 273     def vnf_term_failed_handle(self, error_msg):
 274         logger.error('VNF termination failed, detail message: %s' % error_msg)
 275         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
 276         JobUtil.add_job_status(self.job_id, 255, error_msg)