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