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