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.
18 from threading import Thread
20 from lcm.nf.const import VNF_STATUS
21 from lcm.pub.database.models import NfInstModel, VmInstModel, NetworkInstModel, StorageInstModel, \
22 FlavourInstModel, PortInstModel, SubNetworkInstModel, VNFCInstModel, NfvoRegInfoModel
23 from lcm.pub.exceptions import NFLCMException
24 from lcm.pub.msapi.gvnfmdriver import apply_grant_to_nfvo, notify_lcm_to_nfvo
25 from lcm.pub.utils.jobutil import JobUtil
26 from lcm.pub.utils.timeutil import now_time
27 from lcm.pub.utils.values import ignore_case_get
28 from lcm.pub.vimapi import adaptor
30 logger = logging.getLogger(__name__)
33 class TermVnf(Thread):
34 def __init__(self, data, nf_inst_id, job_id):
35 super(TermVnf, self).__init__()
37 self.nf_inst_id = nf_inst_id
39 self.terminationType = ignore_case_get(self.data, "terminationType")
40 self.gracefulTerminationTimeout = ignore_case_get(self.data, "gracefulTerminationTimeout")
41 self.apply_result = None
42 self.notify_data = None
43 self.inst_resource = {'volumn': [], 'network': [], 'subnet': [], 'port': [], 'flavor': [], 'vm': []}
49 self.query_inst_resource()
50 self.query_notify_data()
51 self.delete_resource()
53 JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
54 except NFLCMException as e:
55 self.vnf_term_failed_handle(e.message)
56 except Exception as e:
57 logger.error(e.message)
58 self.vnf_term_failed_handle(traceback.format_exc())
61 vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
62 if not vnf_insts.exists():
63 logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
65 # raise NFLCMException('VnfInst(%s) does not exist' % self.nf_inst_id)
66 # sel_vnf = vnf_insts[0]
67 # if sel_vnf.status != 'VNF_INSTANTIATED':
68 # raise NFLCMException("Don't allow to terminate vnf(status:[%s])" % sel_vnf.status)
69 if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
70 logger.warn("Set Graceful default termination timeout = 60")
71 self.gracefulTerminationTimeout = 60
72 # raise NFLCMException("Graceful termination must set timeout")
74 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
75 JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
76 logger.info("Nf terminating pre-check finish")
79 def grant_resource(self):
80 logger.info("nf_cancel_task grant_resource begin")
82 'vnfInstanceId': self.nf_inst_id,
83 'vnfDescriptorId': '',
84 'lifecycleOperation': 'Terminate',
88 'placementConstraint': [],
92 vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
97 'resDefId': str(res_index),
98 'resDesId': vdu.resouceid}
99 content_args['removeResource'].append(res_def)
102 vnfmInfo = NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id)
103 if len(vnfmInfo) == 0:
104 raise NFLCMException('nf_inst_id(%s) does not exist in NfvoRegInfoModel' % self.nf_inst_id)
105 content_args['additionalParam']['vnfmid'] = vnfmInfo[0].vnfminstid
106 content_args['additionalParam']['vimid'] = vnfmInfo[0].apiurl
107 logger.info('content_args=%s' % content_args)
108 self.apply_result = apply_grant_to_nfvo(json.dumps(content_args))
109 logger.info("nf_cancel_task grant_resource end")
110 JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
112 def query_inst_resource(self):
113 logger.info('[query_resource begin]:inst_id=%s' % self.nf_inst_id)
116 'Network': 'network',
117 'SubNetwork': 'subnet',
122 for resoure_type in resoure_map.keys():
123 resoure_table = globals().get(resoure_type + 'InstModel')
124 resoure_insts = resoure_table.objects.filter(instid=self.nf_inst_id)
125 for resoure_inst in resoure_insts:
126 if not resoure_inst.resouceid:
128 self.inst_resource[resoure_map.get(resoure_type)].append(self.get_resource(resoure_inst))
129 logger.info('[query_resource]:ret_resource=%s' % self.inst_resource)
131 def get_resource(self, resource):
133 "vim_id": resource.vimid,
134 "tenant_id": resource.tenant,
135 "res_id": resource.resouceid,
136 "is_predefined": resource.is_predefined
139 def query_notify_data(self):
140 logger.info('[NF terminate] send notify request to nfvo start')
142 vnfcs = VNFCInstModel.objects.filter(instid=self.nf_inst_id)
146 vm = VmInstModel.objects.filter(vmid=vnfc.vmid)
148 vm_resource = {'vimId': vm[0].vimid, 'resourceId': vm[0].resouceid,
149 'resourceName': vm[0].vmname, 'resourceType': 'vm'}
150 affected_vnfc.append(
151 {'vnfcInstanceId': vnfc.vnfcinstanceid,
153 'changeType': 'removed',
154 'computeResource': vm_resource})
156 networks = NetworkInstModel.objects.filter(instid=self.nf_inst_id)
157 for network in networks:
159 'vimId': network.vimid,
160 'resourceId': network.resouceid,
161 'resourceName': network.name,
162 'resourceType': 'network'}
164 {'vlInstanceId': network.networkid,
165 'vldid': network.nodeId,
166 'changeType': 'removed',
167 'networkResource': network_resource})
169 ports = PortInstModel.objects.filter(instid=self.nf_inst_id)
172 {'vsInstanceId': port.portid,
173 'cpdid': port.nodeId,
174 'changeType': 'removed',
175 'storageResource': {'vimId': port.vimid, 'resourceId': port.resouceid,
176 'resourceName': port.name, 'resourceType': 'port'}})
178 vss = StorageInstModel.objects.filter(instid=self.nf_inst_id)
181 {'vsInstanceId': vs.storageid,
183 'changeType': 'removed',
184 'storageResource': {'vimId': vs.vimid, 'resourceId': vs.resouceid,
185 'resourceName': vs.name, 'resourceType': 'volume'}})
188 "vnfInstanceId": self.nf_inst_id,
189 "operation": 'Terminal',
190 "jobId": self.job_id,
191 'affectedVnfc': affected_vnfc,
192 'affectedVirtualLink': affected_vl,
193 'affectedVirtualStorage': affected_vs,
194 'affectedCp': affected_cp}
196 vnfmInfo = NfvoRegInfoModel.objects.filter(nfvoid=self.nf_inst_id)
197 if len(vnfmInfo) == 0:
198 raise NFLCMException('nf_inst_id(%s) does not exist in NfvoRegInfoModel' % self.nf_inst_id)
199 self.notify_data['VNFMID'] = vnfmInfo[0].vnfminstid
200 logger.info('content_args=%s' % self.notify_data)
202 def delete_resource(self):
203 logger.info('rollback resource begin')
204 adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete)
205 logger.info('rollback resource complete')
207 def do_notify_delete(self, res_type, res_id):
208 logger.error('Deleting [%s] resource:resourceid [%s]' % (res_type, res_id))
209 if res_type == adaptor.RES_VM:
210 VmInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
211 elif res_type == adaptor.RES_FLAVOR:
212 FlavourInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
213 elif res_type == adaptor.RES_PORT:
214 PortInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
215 elif res_type == adaptor.RES_SUBNET:
216 SubNetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
217 elif res_type == adaptor.RES_NETWORK:
218 NetworkInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
219 elif res_type == adaptor.RES_VOLUME:
220 StorageInstModel.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
222 def lcm_notify(self):
223 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='NOT_INSTANTIATED', lastuptime=now_time())
224 logger.info('[NF termination] send notify request to nfvo end')
225 resp = notify_lcm_to_nfvo(json.dumps(self.notify_data))
226 logger.info('[NF termination] get lcm response %s' % resp)
227 logger.info('[NF termination] send notify request to nfvo end')
229 def vnf_term_failed_handle(self, error_msg):
230 logger.error('VNF termination failed, detail message: %s' % error_msg)
231 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
232 JobUtil.add_job_status(self.job_id, 255, error_msg)