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, NfvoRegInfoModel, VNFCInstModel
  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             JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
  52             is_exist = JobStatusModel.objects.filter(jobid=self.job_id).exists()
  53             logger.debug("check_ns_inst_name_exist::is_exist=%s" % is_exist)
  54         except NFLCMException as e:
  55             self.vnf_inst_failed_handle(e.message)
  56         except:
  57             logger.error(traceback.format_exc())
  58             self.vnf_inst_failed_handle(traceback.format_exc())
  59
  60     def vnf_inst_failed_handle(self, error_msg):
  61         logger.error('VNF termination failed, detail message: %s' % error_msg)
  62         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
  63         JobUtil.add_job_status(self.job_id, 255, error_msg)
  64
  65     def term_pre(self):
  66         vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
  67         if not vnf_insts.exists():
  68             raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
  69         sel_vnf = vnf_insts[0]
  70         if sel_vnf.status != 'VNF_INSTANTIATED':
  71             raise NFLCMException("Don't allow to delete vnf(status:[%s])" % sel_vnf.status)
  72         if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
  73             raise NFLCMException("Graceful termination must set timeout")
  74
  75         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
  76         JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
  77         logger.info("Nf terminating pre-check finish")
  78
  79     def query_inst_resource(self):
  80         logger.info('[query_resource begin]:inst_id=%s' % self.nf_inst_id)
  81         # query_volumn_resource
  82         vol_list = StorageInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
  83         for vol in vol_list:
  84             vol_info = {}
  85             if not vol.resouceid:
  86                 continue
  87             vol_info["res_id"] = vol.resouceid
  88             vol_info["vim_id"] = vol.vimid
  89             self.inst_resource['volumn'].append(vol_info)
  90         logger.info('[query_volumn_resource]:ret_volumns=%s' % self.inst_resource['volumn'])
  91
  92         # query_network_resource
  93         network_list = NetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
  94         for network in network_list:
  95             network_info = {}
  96             if not network.resouceid:
  97                 continue
  98             network_info["res_id"] = network.resouceid
  99             network_info["vim_id"] = network.vimid
 100             self.inst_resource['network'].append(network_info)
 101         logger.info('[query_network_resource]:ret_networks=%s' % self.inst_resource['network'])
 102
 103         # query_subnetwork_resource
 104         subnetwork_list = SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 105         for subnetwork in subnetwork_list:
 106             subnetwork_info = {}
 107             if not subnetwork.resouceid:
 108                 continue
 109             subnetwork_info["res_id"] = subnetwork.resouceid
 110             subnetwork_info["vim_id"] = subnetwork.vimid
 111             self.inst_resource['subnet'].append(subnetwork_info)
 112         logger.info('[query_subnetwork_resource]:ret_networks=%s' % self.inst_resource['subnet'])
 113
 114         # query_port_resource
 115         port_list = PortInstModel.objects.filter(instid=self.nf_inst_id, 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=self.nf_inst_id, is_predefined=1)
 127         for flavor in flavor_list:
 128             flavor_info = {}
 129             if not flavor.resouceid:
 130                 continue
 131             flavor_info["res_id"] = flavor.resouceid
 132             flavor_info["vim_id"] = flavor.vimid
 133             self.inst_resource['flavor'].append(flavor_info)
 134         logger.info('[query_flavor_resource]:ret_networks=%s' % self.inst_resource['flavor'])
 135
 136         # query_vm_resource
 137         vm_list = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 138         for vm in vm_list:
 139             vm_info = {}
 140             if not vm.resouceid:
 141                 continue
 142             vm_info["res_id"] = vm.resouceid
 143             vm_info["vim_id"] = vm.vimid
 144             self.inst_resource['vm'].append(vm_info)
 145         logger.info('[query_vm_resource]:ret_vms=%s' % self.inst_resource['vm'])
 146
 147     def grant_resource(self):
 148         logger.info("nf_cancel_task grant_resource begin")
 149         content_args = {'vnfInstanceId': self.nf_inst_id, 'vnfDescriptorId': '',
 150                         'lifecycleOperation': 'Instantiate', 'jobId': self.job_id,
 151                         'addResource': [], 'removeResource': [],
 152                         'placementConstraint': [], 'additionalParam': {}}
 153
 154         vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
 155         res_index = 1
 156         for vdu in vdus:
 157             res_def = {'type': 'VDU',
 158                        'resDefId': str(res_index),
 159                        'resDesId': vdu.resouceid}
 160             content_args['removeResource'].append(res_def)
 161             res_index += 1
 162
 163         logger.info('content_args=%s' % content_args)
 164         self.apply_result = apply_grant_to_nfvo(content_args)
 165         vim_info = ignore_case_get(self.apply_result, "vim")
 166         logger.info("nf_cancel_task grant_resource end")
 167
 168     # def load_nfvo_config(self):
 169     #     logger.info("[NF instantiation]get nfvo connection info start")
 170     #     reg_info = NfvoRegInfoModel.objects.filter(vnfminstid='vnfm111').first()
 171     #     if reg_info:
 172     #         self.vnfm_inst_id = reg_info.vnfminstid
 173     #         self.nfvo_inst_id = reg_info.nfvoid
 174     #         logger.info("[NF instantiation] Registered nfvo id is [%s]" % self.nfvo_inst_id)
 175     #     else:
 176     #         raise NFLCMException("Nfvo was not registered")
 177     #     logger.info("[NF instantiation]get nfvo connection info end")