1 # Copyright 2017 ZTE Corporation.
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
7 # http://www.apache.org/licenses/LICENSE-2.0
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.
17 from lcm.pub.database.models import NfInstModel, NfvoRegInfoModel
18 from lcm.pub.exceptions import NFLCMException
19 from lcm.pub.msapi.aai import query_vnf_aai, delete_vnf_aai
21 logger = logging.getLogger(__name__)
25 def __init__(self, data, instanceid):
27 self.nf_inst_id = instanceid
31 self.check_parameter()
32 self.delete_info_from_db()
33 self.delete_vnf_in_aai()
34 except NFLCMException as e:
35 logger.debug('Delete VNF instance[%s] from AAI failed' % self.nf_inst_id)
37 logger.debug('Delete VNF instance[%s] failed' % self.nf_inst_id)
39 def check_parameter(self):
40 vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
41 if not vnf_insts.exists():
42 logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
44 # sel_vnf = vnf_insts[0]
45 # if sel_vnf.status != 'NOT_INSTANTIATED':
46 # raise NFLCMException("Don't allow to delete vnf(status:[%s])" % sel_vnf.status)
48 def delete_info_from_db(self):
49 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).delete()
50 NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id).delete()
52 def delete_vnf_in_aai(self):
53 logger.debug("DeleteVnf::delete_vnf_in_aai::delete vnf instance[%s] in aai." % self.nf_inst_id)
55 # query vnf instance in aai, get resource_version
56 customer_info = query_vnf_aai(self.nf_inst_id)
57 resource_version = customer_info["resource-version"]
59 # delete vnf instance from aai
60 resp_data, resp_status = delete_vnf_aai(self.nf_inst_id, resource_version)
62 logger.debug("Fail to delete vnf instance[%s] from aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))
65 "Success to delete vnf instance[%s] from aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))