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
  21 from lcm.pub.exceptions import NFLCMException
  22 from lcm.pub.msapi.nfvolcm import apply_grant_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
  47     def run(self):
  48         try:
  49             self.term_pre()
  50             self.grant_resource()
  51             self.query_inst_resource()
  52             self.delete_resource()
  53             # self.lcm_notify()
  54             JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
  55         except NFLCMException as e:
  56             self.vnf_term_failed_handle(e.message)
  57         except:
  58             logger.error(traceback.format_exc())
  59             self.vnf_term_failed_handle(traceback.format_exc())
  60
  61     def term_pre(self):
  62         vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
  63         if not vnf_insts.exists():
  64             raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
  65         sel_vnf = vnf_insts[0]
  66         if sel_vnf.status != 'VNF_INSTANTIATED':
  67             raise NFLCMException("Don't allow to delete vnf(status:[%s])" % sel_vnf.status)
  68         if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
  69             raise NFLCMException("Graceful termination must set timeout")
  70
  71         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
  72         JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
  73         logger.info("Nf terminating pre-check finish")
  74
  75     def grant_resource(self):
  76         logger.info("nf_cancel_task grant_resource begin")
  77         content_args = {'vnfInstanceId': self.nf_inst_id, 'vnfDescriptorId': '',
  78                         'lifecycleOperation': 'Instantiate', 'jobId': self.job_id,
  79                         'addResource': [], 'removeResource': [],
  80                         'placementConstraint': [], 'additionalParam': {}}
  81
  82         vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
  83         res_index = 1
  84         for vdu in vdus:
  85             res_def = {'type': 'VDU',
  86                        'resDefId': str(res_index),
  87                        'resDesId': vdu.resouceid}
  88             content_args['removeResource'].append(res_def)
  89             res_index += 1
  90
  91         logger.info('content_args=%s' % content_args)
  92         self.apply_result = apply_grant_to_nfvo(content_args)
  93         vim_info = ignore_case_get(self.apply_result, "vim")
  94         logger.info("nf_cancel_task grant_resource end")
  95         JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
  96
  97     def query_inst_resource(self):
  98         logger.info('[query_resource begin]:inst_id=%s' % self.nf_inst_id)
  99         # query_volumn_resource
 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         # query_network_resource
 112         network_list = NetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 113         for network in network_list:
 114             network_info = {}
 115             if not network.resouceid:
 116                 continue
 117             network_info["vim_id"] = network.vimid
 118             network_info["tenant_id"] = network.tenant
 119             network_info["res_id"] = network.resouceid
 120             self.inst_resource['network'].append(network_info)
 121         logger.info('[query_network_resource]:ret_networks=%s' % self.inst_resource['network'])
 122
 123         # query_subnetwork_resource
 124         subnetwork_list = SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 125         for subnetwork in subnetwork_list:
 126             subnetwork_info = {}
 127             if not subnetwork.resouceid:
 128                 continue
 129             subnetwork_info["vim_id"] = subnetwork.vimid
 130             subnetwork_info["tenant_id"] = subnetwork.tenant
 131             subnetwork_info["res_id"] = subnetwork.resouceid
 132             self.inst_resource['subnet'].append(subnetwork_info)
 133         logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet'])
 134
 135         # query_port_resource
 136         port_list = PortInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 137         for port in port_list:
 138             port_info = {}
 139             if not port.resouceid:
 140                 continue
 141             port_info["vim_id"] = port.vimid
 142             port_info["tenant_id"] = port.tenant
 143             port_info["res_id"] = port.resouceid
 144             self.inst_resource['port'].append(port_info)
 145         logger.info('[query_port_resource]:ret_networks=%s' % self.inst_resource['port'])
 146
 147         # query_flavor_resource
 148         flavor_list = FlavourInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 149         for flavor in flavor_list:
 150             flavor_info = {}
 151             if not flavor.resouceid:
 152                 continue
 153             flavor_info["vim_id"] = flavor.vimid
 154             flavor_info["tenant_id"] = flavor.tenant
 155             flavor_info["res_id"] = flavor.resouceid
 156             self.inst_resource['flavor'].append(flavor_info)
 157         logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor'])
 158
 159         # query_vm_resource
 160         vm_list = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 161         for vm in vm_list:
 162             vm_info = {}
 163             if not vm.resouceid:
 164                 continue
 165             vm_info["vim_id"] = vm.vimid
 166             vm_info["tenant_id"] = vm.tenant
 167             vm_info["res_id"] = vm.resouceid
 168             self.inst_resource['vm'].append(vm_info)
 169         logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm'])
 170
 171     def delete_resource(self):
 172         logger.error('rollback resource begin')
 173         adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete)
 174         logger.error('rollback resource complete')
 175
 176     def do_notify_delete(self, res_type, res_id):
 177         logger.error('Deleting [%s] resource:resourceid [%s]' % (res_type, res_id))
 178         if res_type == adaptor.RES_VM:
 179             VmInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 180         elif res_type == adaptor.RES_FLAVOR:
 181             FlavourInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 182         elif res_type == adaptor.RES_PORT:
 183             PortInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 184         elif res_type == adaptor.RES_SUBNET:
 185             SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 186         elif res_type == adaptor.RES_NETWORK:
 187             NetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 188         elif res_type == adaptor.RES_VOLUME:
 189             StorageInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
 190
 191     def lcm_notify(self):
 192         pass
 193
 194     def vnf_term_failed_handle(self, error_msg):
 195         logger.error('VNF termination failed, detail message: %s' % error_msg)
 196         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
 197         JobUtil.add_job_status(self.job_id, 255, error_msg)