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
  27 logger = logging.getLogger(__name__)
  28
  29
  30 class TermVnf(Thread):
  31     def __init__(self, data, nf_inst_id, job_id):
  32         super(TermVnf, self).__init__()
  33         self.data = data
  34         self.nf_inst_id = nf_inst_id
  35         self.job_id = job_id
  36         self.terminationType = ignore_case_get(self.data, "terminationType")
  37         self.gracefulTerminationTimeout = ignore_case_get(self.data, "gracefulTerminationTimeout")
  38         self.inst_resource = {'volumn': [],  # [{"vim_id": ignore_case_get(ret, "vim_id")},{}]
  39                               'network': [],
  40                               'subnet': [],
  41                               'port': [],
  42                               'flavor': [],
  43                               'vm': [],
  44                               }
  45
  46     def run(self):
  47         try:
  48             self.term_pre()
  49             self.grant_resource()
  50             self.query_inst_resource()
  51             # self.delete_resource()
  52             # self.lcm_notify()
  53             JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
  54         except NFLCMException as e:
  55             self.vnf_term_failed_handle(e.message)
  56         except:
  57             logger.error(traceback.format_exc())
  58             self.vnf_term_failed_handle(traceback.format_exc())
  59
  60     def term_pre(self):
  61         vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
  62         if not vnf_insts.exists():
  63             raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
  64         sel_vnf = vnf_insts[0]
  65         if sel_vnf.status != 'VNF_INSTANTIATED':
  66             raise NFLCMException("Don't allow to delete vnf(status:[%s])" % sel_vnf.status)
  67         if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
  68             raise NFLCMException("Graceful termination must set timeout")
  69
  70         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
  71         JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
  72         logger.info("Nf terminating pre-check finish")
  73
  74     def grant_resource(self):
  75         logger.info("nf_cancel_task grant_resource begin")
  76         content_args = {'vnfInstanceId': self.nf_inst_id, 'vnfDescriptorId': '',
  77                         'lifecycleOperation': 'Instantiate', 'jobId': self.job_id,
  78                         'addResource': [], 'removeResource': [],
  79                         'placementConstraint': [], 'additionalParam': {}}
  80
  81         vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
  82         res_index = 1
  83         for vdu in vdus:
  84             res_def = {'type': 'VDU',
  85                        'resDefId': str(res_index),
  86                        'resDesId': vdu.resouceid}
  87             content_args['removeResource'].append(res_def)
  88             res_index += 1
  89
  90         logger.info('content_args=%s' % content_args)
  91         self.apply_result = apply_grant_to_nfvo(content_args)
  92         vim_info = ignore_case_get(self.apply_result, "vim")
  93         logger.info("nf_cancel_task grant_resource end")
  94         JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
  95
  96     def query_inst_resource(self):
  97         logger.info('[query_resource begin]:inst_id=%s' % self.nf_inst_id)
  98         # query_volumn_resource
  99         vol_list = StorageInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 100         for vol in vol_list:
 101             vol_info = {}
 102             if not vol.resouceid:
 103                 continue
 104             vol_info["vim_id"] = vol.vimid
 105             vol_info["tenant_id"] = vol.tenant
 106             vol_info["res_id"] = vol.resouceid
 107             self.inst_resource['volumn'].append(vol_info)
 108         logger.info('[query_volumn_resource]:ret_volumns=%s' % self.inst_resource['volumn'])
 109
 110         # query_network_resource
 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         # query_subnetwork_resource
 123         subnetwork_list = SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 124         for subnetwork in subnetwork_list:
 125             subnetwork_info = {}
 126             if not subnetwork.resouceid:
 127                 continue
 128             subnetwork_info["vim_id"] = subnetwork.vimid
 129             subnetwork_info["tenant_id"] = subnetwork.tenant
 130             subnetwork_info["res_id"] = subnetwork.resouceid
 131             self.inst_resource['subnet'].append(subnetwork_info)
 132         logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet'])
 133
 134         # query_port_resource
 135         port_list = PortInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 136         for port in port_list:
 137             port_info = {}
 138             if not port.resouceid:
 139                 continue
 140             port_info["vim_id"] = port.vimid
 141             port_info["tenant_id"] = port.tenant
 142             port_info["res_id"] = port.resouceid
 143             self.inst_resource['port'].append(port_info)
 144         logger.info('[query_port_resource]:ret_networks=%s' % self.inst_resource['port'])
 145
 146         # query_flavor_resource
 147         flavor_list = FlavourInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 148         for flavor in flavor_list:
 149             flavor_info = {}
 150             if not flavor.resouceid:
 151                 continue
 152             flavor_info["vim_id"] = flavor.vimid
 153             flavor_info["tenant_id"] = flavor.tenant
 154             flavor_info["res_id"] = flavor.resouceid
 155             self.inst_resource['flavor'].append(flavor_info)
 156         logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor'])
 157
 158         # query_vm_resource
 159         vm_list = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 160         for vm in vm_list:
 161             vm_info = {}
 162             if not vm.resouceid:
 163                 continue
 164             vm_info["vim_id"] = vm.vimid
 165             vm_info["tenant_id"] = vm.tenant
 166             vm_info["res_id"] = vm.resouceid
 167             self.inst_resource['vm'].append(vm_info)
 168         logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm'])
 169
 170     def delete_resource(self):
 171         pass
 172
 173     def lcm_notify(self):
 174         pass
 175
 176     # def load_nfvo_config(self):
 177     #     logger.info("[NF instantiation]get nfvo connection info start")
 178     #     reg_info = NfvoRegInfoModel.objects.filter(vnfminstid='vnfm111').first()
 179     #     if reg_info:
 180     #         self.vnfm_inst_id = reg_info.vnfminstid
 181     #         self.nfvo_inst_id = reg_info.nfvoid
 182     #         logger.info("[NF instantiation] Registered nfvo id is [%s]" % self.nfvo_inst_id)
 183     #     else:
 184     #         raise NFLCMException("Nfvo was not registered")
 185     #     logger.info("[NF instantiation]get nfvo connection info end")
 186
 187     def vnf_term_failed_handle(self, error_msg):
 188         logger.error('VNF termination failed, detail message: %s' % error_msg)
 189         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
 190         JobUtil.add_job_status(self.job_id, 255, error_msg)