lcm/lcm/nf/biz/update_vnf.py

   1 # Copyright 2019 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.database.models import NfInstModel
  19 from lcm.pub.exceptions import NFLCMException
  20 from lcm.nf.const import OPERATION_STATE_TYPE
  21 from lcm.nf.const import OPERATION_TYPE
  22 from lcm.nf.const import OPERATION_TASK
  23 from lcm.pub.utils.notificationsutil import NotificationsUtil
  24 from lcm.pub.utils.notificationsutil import prepare_notification
  25 from lcm.pub.utils.jobutil import JobUtil
  26 from lcm.pub.utils.timeutil import now_time
  27 from .operate_vnf_lcm_op_occ import VnfLcmOpOcc
  28
  29 logger = logging.getLogger(__name__)
  30
  31
  32 class UpdateVnf(Thread):
  33     def __init__(self, data, instanceid, job_id):
  34         super(UpdateVnf, self).__init__()
  35         self.data = data
  36         self.nf_inst_id = instanceid
  37         self.job_id = job_id
  38         self.vnf_insts = NfInstModel.objects.filter(nfinstid=instanceid)
  39         self.lcm_op_occ = VnfLcmOpOcc(
  40             vnf_inst_id=instanceid,
  41             lcm_op_id=job_id,
  42             operation=OPERATION_TYPE.MODIFY_INFO,
  43             task=OPERATION_TASK.MODIFY
  44         )
  45
  46     def run(self):
  47         logger.debug("start update for vnf %s", self.nf_inst_id)
  48         key = "vnfInstanceName"
  49         try:
  50             self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.PROCESSING)
  51             JobUtil.add_job_status(self.job_id, 50, "Start updating VNF.")
  52
  53             if key in self.data and self.data[key] is not None:
  54                 self.vnf_insts.update(nf_name=self.data[key],
  55                                       lastuptime=now_time())
  56
  57             key = "vnfInstanceDescription"
  58             if key in self.data and self.data[key] is not None:
  59                 self.vnf_insts.update(nf_desc=self.data[key],
  60                                       lastuptime=now_time())
  61
  62             key = "vnfPkgId"
  63             if key in self.data:
  64                 self.vnf_insts.update(vnfdid=self.data[key],
  65                                       lastuptime=now_time())
  66
  67             JobUtil.add_job_status(self.job_id, 75, "Start sending notification.")
  68             self.send_notification()
  69
  70             JobUtil.add_job_status(self.job_id, 100, "Update VNF success.")
  71         except NFLCMException as e:
  72             logger.error(e.message)
  73             self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.FAILED, e.message)
  74             JobUtil.add_job_status(self.job_id, 255, e.message)
  75         except Exception as e:
  76             logger.error(e.message)
  77             logger.error(traceback.format_exc())
  78             self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.FAILED, e.message)
  79             JobUtil.add_job_status(self.job_id, 255, e.message)
  80
  81     def send_notification(self):
  82         notify_data = prepare_notification(nfinstid=self.nf_inst_id,
  83                                            jobid=self.job_id,
  84                                            operation=OPERATION_TYPE.MODIFY_INFO,
  85                                            operation_state=OPERATION_STATE_TYPE.COMPLETED)
  86
  87         notify_data["changedInfo"] = {}
  88         for key in ("vnfInstanceName", "vnfInstanceDescription"):
  89             if key in self.data and self.data[key] is not None:
  90                 notify_data["changedInfo"][key] = self.data[key]
  91
  92         logger.debug('Notification data: %s' % notify_data)
  93         NotificationsUtil().send_notification(notify_data)