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.config.config import REPORT_TO_AAI
18 from lcm.pub.database.models import NfInstModel, NfvoRegInfoModel
19 from lcm.pub.exceptions import NFLCMException
20 from lcm.pub.msapi.aai import query_vnf_aai, delete_vnf_aai
22 logger = logging.getLogger(__name__)
26 def __init__(self, data, instanceid):
28 self.nf_inst_id = instanceid
32 self.check_parameter()
34 self.delete_vnf_in_aai()
35 self.delete_info_from_db()
36 except NFLCMException as e:
37 logger.debug('Delete VNF instance[%s] failed: %s', self.nf_inst_id, e.message)
39 logger.debug('Delete VNF instance[%s] failed' % self.nf_inst_id)
41 def check_parameter(self):
42 vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
43 if not vnf_insts.exists():
44 logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
46 # sel_vnf = vnf_insts[0]
47 # if sel_vnf.status != 'NOT_INSTANTIATED':
48 # raise NFLCMException("Don't allow to delete vnf(status:[%s])" % sel_vnf.status)
50 def delete_info_from_db(self):
51 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).delete()
52 NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id).delete()
54 def delete_vnf_in_aai(self):
55 logger.debug("DeleteVnf::delete_vnf_in_aai::delete vnf instance[%s] in aai." % self.nf_inst_id)
57 # query vnf instance in aai, get resource_version
58 customer_info = query_vnf_aai(self.nf_inst_id)
59 resource_version = customer_info["resource-version"]
61 # delete vnf instance from aai
62 resp_data, resp_status = delete_vnf_aai(self.nf_inst_id, resource_version)
64 logger.debug("Fail to delete vnf instance[%s] from aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))
67 "Success to delete vnf instance[%s] from aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))