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.pub.config.enum 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.utils.jobutil import JobUtil
  23 from lcm.pub.utils.timeutil import now_time
  24 from lcm.pub.utils.values import ignore_case_get
  25
  26 logger = logging.getLogger(__name__)
  27
  28
  29 class TermVnf(Thread):
  30     def __init__(self, data, nf_inst_id, job_id):
  31         super(TermVnf, self).__init__()
  32         self.data = data
  33         self.nf_inst_id = nf_inst_id
  34         self.job_id = job_id
  35         self.terminationType = ignore_case_get(self.data, "terminationType")
  36         self.gracefulTerminationTimeout = ignore_case_get(self.data, "gracefulTerminationTimeout")
  37         self.inst_resource = {'volumn': [],  # [{"vim_id": ignore_case_get(ret, "vim_id")},{}]
  38                               'network': [],
  39                               'subnet': [],
  40                               'port': [],
  41                               'flavor': [],
  42                               'vm': [],
  43                               }
  44
  45     def run(self):
  46         try:
  47             self.term_pre()
  48             self.grant_resource()
  49             self.query_inst_resource(self.nf_inst_id)
  50             JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
  51             is_exist = JobStatusModel.objects.filter(jobid=self.job_id).exists()
  52             logger.debug("check_ns_inst_name_exist::is_exist=%s" % is_exist)
  53         except NFLCMException as e:
  54             logger.error('VNF instantiation failed, detail message: %s' % e.message)
  55             # NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
  56             JobUtil.add_job_status(self.job_id, 255, e.message)
  57             # self.vnf_term_failed_handle(e.message)
  58         except:
  59             # self.vnf_term_failed_handle('unexpected exception')
  60             logger.error(traceback.format_exc())
  61
  62     def term_pre(self):
  63         vnf_insts = NfInstModel.objects.filter(pk=self.nf_inst_id)
  64         if not vnf_insts.exists():
  65             raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
  66         sel_vnf = vnf_insts[0]
  67         if sel_vnf.instantiationState != 'VNF_INSTANTIATED':
  68             raise NFLCMException("No instantiated vnf")
  69         if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
  70             raise NFLCMException("Graceful termination must set timeout")
  71         JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
  72         logger.info("Nf terminating pre-check finish")
  73         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
  74
  75     def query_inst_resource(self, inst_id):
  76         logger.info('[query_resource begin]:inst_id=%s' % inst_id)
  77         # query_volumn_resource
  78         vol_list = StorageInstModel.objects.filter(instid=inst_id,
  79                                                    is_predefined=1)
  80         for vol in vol_list:
  81             vol_info = {}
  82             if not vol.resouceid:
  83                 continue
  84             vol_info["res_id"] = vol.resouceid
  85             vol_info["vim_id"] = vol.vimid
  86             self.inst_resource['volumn'].append(vol_info)
  87         logger.info('[query_volumn_resource]:ret_volumns=%s' % self.inst_resource['volumn'])
  88
  89         # query_network_resource
  90         network_list = NetworkInstModel.objects.filter(instid=inst_id,
  91                                                        is_predefined=1)
  92         for network in network_list:
  93             network_info = {}
  94             if not network.resouceid:
  95                 continue
  96             network_info["res_id"] = network.resouceid
  97             network_info["vim_id"] = network.vimid
  98             self.inst_resource['network'].append(network_info)
  99         logger.info('[query_network_resource]:ret_networks=%s' % self.inst_resource['network'])
 100
 101         # query_subnetwork_resource
 102         subnetwork_list = SubNetworkInstModel.objects.filter(instid=inst_id,
 103                                                        is_predefined=1)
 104         for subnetwork in subnetwork_list:
 105             subnetwork_info = {}
 106             if not subnetwork.resouceid:
 107                 continue
 108             subnetwork_info["res_id"] = subnetwork.resouceid
 109             subnetwork_info["vim_id"] = subnetwork.vimid
 110             self.inst_resource['subnet'].append(subnetwork_info)
 111         logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet'])
 112
 113         # query_port_resource
 114         port_list = PortInstModel.objects.filter(instid=inst_id,
 115                                                        is_predefined=1)
 116         for port in port_list:
 117             port_info = {}
 118             if not port.resouceid:
 119                 continue
 120             port_info["res_id"] = port.resouceid
 121             port_info["vim_id"] = port.vimid
 122             self.inst_resource['port'].append(port_info)
 123         logger.info('[query_port_resource]:ret_networks=%s' % self.inst_resource['port'])
 124
 125         # query_flavor_resource
 126         flavor_list = FlavourInstModel.objects.filter(instid=inst_id,
 127                                                        is_predefined=1)
 128         for flavor in flavor_list:
 129             flavor_info = {}
 130             if not flavor.resouceid:
 131                 continue
 132             flavor_info["res_id"] = flavor.resouceid
 133             flavor_info["vim_id"] = flavor.vimid
 134             self.inst_resource['flavor'].append(flavor_info)
 135         logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor'])
 136
 137         # query_vm_resource
 138         vm_list = VmInstModel.objects.filter(instid=inst_id,
 139                                              is_predefined=1)
 140         for vm in vm_list:
 141             vm_info = {}
 142             if not vm.resouceid:
 143                 continue
 144             vm_info["res_id"] = vm.resouceid
 145             vm_info["vim_id"] = vm.vimid
 146             self.inst_resource['vm'].append(vm_info)
 147         logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm'])
 148
 149     def grant_resource(self):
 150         pass