lcm/ns/biz/ns_delete.py

   1 # Copyright 2016 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
  17 from lcm.pub.config.config import REPORT_TO_AAI
  18 from lcm.pub.database.models import DefPkgMappingModel, InputParamMappingModel, ServiceBaseInfoModel
  19 from lcm.pub.database.models import NSInstModel
  20 from lcm.pub.exceptions import NSLCMException
  21 from lcm.pub.msapi.aai import query_ns_aai, delete_ns_aai
  22
  23 logger = logging.getLogger(__name__)
  24
  25
  26 class DeleteNsService(object):
  27     """
  28     Class to delete NS instance
  29     """
  30
  31     def __init__(self, ns_inst_id):
  32         self.ns_inst_id = ns_inst_id
  33
  34     def do_biz(self):
  35         try:
  36             if REPORT_TO_AAI:
  37                 self.delete_ns_in_aai()
  38             self.delete_ns()
  39         except:
  40             logger.error(traceback.format_exc())
  41
  42     def delete_ns(self):
  43         """
  44         Delete NS instance model
  45         :return:
  46         """
  47         logger.debug("delele NSInstModel(%s)", self.ns_inst_id)
  48         NSInstModel.objects.filter(id=self.ns_inst_id).delete()
  49
  50         logger.debug("delele InputParamMappingModel(%s)", self.ns_inst_id)
  51         InputParamMappingModel.objects.filter(service_id=self.ns_inst_id).delete()
  52
  53         logger.debug("delele DefPkgMappingModel(%s)", self.ns_inst_id)
  54         DefPkgMappingModel.objects.filter(service_id=self.ns_inst_id).delete()
  55
  56         logger.debug("delele ServiceBaseInfoModel(%s)", self.ns_inst_id)
  57         ServiceBaseInfoModel.objects.filter(service_id=self.ns_inst_id).delete()
  58
  59     def delete_ns_in_aai(self):
  60         """
  61         Delete NS instance record from AAI
  62         :return:
  63         """
  64         logger.debug("DeleteNsService::delete_ns_in_aai::delete ns instance[%s] in aai." % self.ns_inst_id)
  65         try:
  66             ns_insts = NSInstModel.objects.filter(id=self.ns_inst_id)
  67             if ns_insts:
  68                 self.global_customer_id = ns_insts[0].global_customer_id
  69                 self.service_type = ns_insts[0].service_type
  70                 # query ns instance in aai, get resource_version
  71                 logger.debug("self.global_customer_id=[%s], self.service_type=[%s], self.ns_inst_id=[%s]"
  72                              % (self.global_customer_id, self.service_type, self.ns_inst_id))
  73                 ns_info = query_ns_aai(self.global_customer_id, self.service_type, self.ns_inst_id)
  74                 resource_version = ns_info["resource-version"]
  75
  76                 # delete ns instance from aai
  77                 logger.debug("ns instance resource_version=[%s]" % resource_version)
  78                 resp_data, resp_status = delete_ns_aai(self.global_customer_id, self.service_type,
  79                                                        self.ns_inst_id, resource_version)
  80                 logger.debug("Success to delete ns[%s] from aai, resp_status: [%s]." % (self.ns_inst_id, resp_status))
  81         except NSLCMException as e:
  82             logger.debug("Fail to delete ns[%s] from aai, detail message: %s" % (self.ns_inst_id, e.args[0]))
  83         except:
  84             logger.error(traceback.format_exc())