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 JobStatusModel, 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.inst_resource = {'volumn': [],  # [{"vim_id": ignore_case_get(ret, "vim_id")},{}]
  40                               'network': [],
  41                               'subnet': [],
  42                               'port': [],
  43                               'flavor': [],
  44                               'vm': [],
  45                               }
  46         self.notify_data = None
  47
  48     def run(self):
  49         try:
  50             self.term_pre()
  51             self.grant_resource()
  52             self.query_inst_resource()
  53             self.query_notify_data()
  54             self.delete_resource()
  55             self.lcm_notify()
  56             JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
  57         except NFLCMException as e:
  58             self.vnf_term_failed_handle(e.message)
  59         except:
  60             logger.error(traceback.format_exc())
  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 delete 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         vim_info = ignore_case_get(self.apply_result, "vim")
  96         logger.info("nf_cancel_task grant_resource end")
  97         JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
  98
  99     def query_inst_resource(self):
 100         logger.info('[query_resource begin]:inst_id=%s' % self.nf_inst_id)
 101         # query_volumn_resource
 102         vol_list = StorageInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 103         for vol in vol_list:
 104             vol_info = {}
 105             if not vol.resouceid:
 106                 continue
 107             vol_info["vim_id"] = vol.vimid
 108             vol_info["tenant_id"] = vol.tenant
 109             vol_info["res_id"] = vol.resouceid
 110             self.inst_resource['volumn'].append(vol_info)
 111         logger.info('[query_volumn_resource]:ret_volumns=%s' % self.inst_resource['volumn'])
 112
 113         # query_network_resource
 114         network_list = NetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 115         for network in network_list:
 116             network_info = {}
 117             if not network.resouceid:
 118                 continue
 119             network_info["vim_id"] = network.vimid
 120             network_info["tenant_id"] = network.tenant
 121             network_info["res_id"] = network.resouceid
 122             self.inst_resource['network'].append(network_info)
 123         logger.info('[query_network_resource]:ret_networks=%s' % self.inst_resource['network'])
 124
 125         # query_subnetwork_resource
 126         subnetwork_list = SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 127         for subnetwork in subnetwork_list:
 128             subnetwork_info = {}
 129             if not subnetwork.resouceid:
 130                 continue
 131             subnetwork_info["vim_id"] = subnetwork.vimid
 132             subnetwork_info["tenant_id"] = subnetwork.tenant
 133             subnetwork_info["res_id"] = subnetwork.resouceid
 134             self.inst_resource['subnet'].append(subnetwork_info)
 135         logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet'])
 136
 137         # query_port_resource
 138         port_list = PortInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 139         for port in port_list:
 140             port_info = {}
 141             if not port.resouceid:
 142                 continue
 143             port_info["vim_id"] = port.vimid
 144             port_info["tenant_id"] = port.tenant
 145             port_info["res_id"] = port.resouceid
 146             self.inst_resource['port'].append(port_info)
 147         logger.info('[query_port_resource]:ret_networks=%s' % self.inst_resource['port'])
 148
 149         # query_flavor_resource
 150         flavor_list = FlavourInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 151         for flavor in flavor_list:
 152             flavor_info = {}
 153             if not flavor.resouceid:
 154                 continue
 155             flavor_info["vim_id"] = flavor.vimid
 156             flavor_info["tenant_id"] = flavor.tenant
 157             flavor_info["res_id"] = flavor.resouceid
 158             self.inst_resource['flavor'].append(flavor_info)
 159         logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor'])
 160
 161         # query_vm_resource
 162         vm_list = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 163         for vm in vm_list:
 164             vm_info = {}
 165             if not vm.resouceid:
 166                 continue
 167             vm_info["vim_id"] = vm.vimid
 168             vm_info["tenant_id"] = vm.tenant
 169             vm_info["res_id"] = vm.resouceid
 170             self.inst_resource['vm'].append(vm_info)
 171         logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm'])
 172
 173     def query_notify_data(self):
 174         logger.info('[NF instantiation] send notify request to nfvo start')
 175         affected_vnfc = []
 176         vnfcs = VNFCInstModel.objects.filter(instid=self.nf_inst_id)
 177         for vnfc in vnfcs:
 178             vmResource = {}
 179             if vnfc.vmid:
 180                 vm = VmInstModel.objects.filter(vmid=vnfc.vmid)
 181                 if vm:
 182                     vmResource = {'vimId': vm[0].vimid, 'resourceId': vm[0].resouceid,
 183                                   'resourceName': vm[0].vmname, 'resourceType': 'vm'}
 184             affected_vnfc.append(
 185                 {'vnfcInstanceId': vnfc.vnfcinstanceid,
 186                  'vduId': vnfc.vduid,
 187                  'changeType': 'removed',
 188                  'computeResource': vmResource})
 189         affected_vl = []
 190         networks = NetworkInstModel.objects.filter(instid=self.nf_inst_id)
 191         for network in networks:
 192             network_resource = {'vimId': network.vimid, 'resourceId': network.resouceid,
 193                                 'resourceName': network.name, 'resourceType': 'network'}
 194             affected_vl.append(
 195                 {'vlInstanceId': network.networkid,
 196                  'vldid': network.nodeId,
 197                  'changeType': 'removed',
 198                  'networkResource': network_resource})
 199         affected_cp = []
 200         ports = PortInstModel.objects.filter(instid=self.nf_inst_id)
 201         for port in ports:
 202             affected_cp.append(
 203                 {'vsInstanceId': port.portid,
 204                  'cpdid': port.nodeId,
 205                  'changeType': 'removed',
 206                  'storageResource': {'vimId': port.vimid, 'resourceId': port.resouceid,
 207                                      'resourceName': port.name, 'resourceType': 'port'}})
 208         affected_vs = []
 209         vss = StorageInstModel.objects.filter(instid=self.nf_inst_id)
 210         for vs in vss:
 211             affected_vs.append(
 212                 {'vsInstanceId': vs.storageid,
 213                  'vsdId': vs.nodeId,
 214                  'changeType': 'removed',
 215                  'storageResource': {'vimId': vs.vimid, 'resourceId': vs.resouceid,
 216                                      'resourceName': vs.name, 'resourceType': 'volume'}})
 217         self.notify_data = {
 218             "status": 'result',
 219             "nfInstanceId": self.nf_inst_id,
 220             "operation": 'Terminal',
 221             "jobId": self.job_id,
 222             'affectedVnfc': affected_vnfc,
 223             'affectedVirtualLink': affected_vl,
 224             'affectedVirtualStorage': affected_vs,
 225             # "vnfdmodule": allocate_data,
 226             # "additionalParam": addition_param,
 227             # "nfvoInstanceId": self.nfvo_inst_id,
 228             # "vnfmInstanceId": self.vnfm_inst_id,
 229             # 'affectedcapacity': affectedcapacity,
 230             # 'affectedService': [],
 231             'affectedCp': affected_cp
 232             }
 233         logger.info('content_args=%s' % self.notify_data)
 234
 235     def delete_resource(self):
 236         logger.error('rollback resource begin')
 237         adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete)
 238         logger.error('rollback resource complete')
 239
 240     def do_notify_delete(self, res_type, res_id):
 241         logger.error('Deleting [%s] resource:resourceid [%s]' % (res_type, res_id))
 242         if res_type == adaptor.RES_VM:
 243             VmInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 244         elif res_type == adaptor.RES_FLAVOR:
 245             FlavourInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 246         elif res_type == adaptor.RES_PORT:
 247             PortInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 248         elif res_type == adaptor.RES_SUBNET:
 249             SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 250         elif res_type == adaptor.RES_NETWORK:
 251             NetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 252         elif res_type == adaptor.RES_VOLUME:
 253             StorageInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 254
 255     def lcm_notify(self):
 256         logger.info('[NF termination] send notify request to nfvo end')
 257         resp = notify_lcm_to_nfvo(self.notify_data, self.nf_inst_id)
 258         logger.info('[NF termination] get lcm response %s' % resp)
 259         logger.info('[NF termination] send notify request to nfvo end')
 260
 261     def vnf_term_failed_handle(self, error_msg):
 262         logger.error('VNF termination failed, detail message: %s' % error_msg)
 263         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
 264         JobUtil.add_job_status(self.job_id, 255, error_msg)