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, RESOURCE_MAP
21 from lcm.pub.database.models import NfInstModel, VmInstModel, NetworkInstModel, StorageInstModel, \
22 PortInstModel, VNFCInstModel, FlavourInstModel, SubNetworkInstModel
23 from lcm.pub.exceptions import NFLCMException
24 from lcm.pub.msapi.gvnfmdriver import 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
29 from lcm.nf.biz.grant_vnf import grant_resource
31 logger = logging.getLogger(__name__)
34 class TerminateVnf(Thread):
35 def __init__(self, data, nf_inst_id, job_id):
36 super(TerminateVnf, self).__init__()
38 self.nf_inst_id = nf_inst_id
40 self.terminationType = ignore_case_get(self.data, "terminationType")
41 self.gracefulTerminationTimeout = ignore_case_get(self.data, "gracefulTerminationTimeout")
42 self.inst_resource = {'volumn': [], 'network': [], 'subnet': [], 'port': [], 'flavor': [], 'vm': []}
43 self.grant_type = "Terminate"
48 vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
49 apply_result = grant_resource(data=self.data, nf_inst_id=self.nf_inst_id, job_id=self.job_id,
50 grant_type=self.grant_type, vdus=vdus)
51 logger.info("Grant resource end, response: %s" % apply_result)
52 JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
53 self.query_inst_resource()
54 self.query_notify_data()
55 self.delete_resource()
57 JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
58 except NFLCMException as e:
59 self.vnf_term_failed_handle(e.message)
60 except Exception as e:
61 logger.error(e.message)
62 self.vnf_term_failed_handle(traceback.format_exc())
65 vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
66 if not vnf_insts.exists():
67 logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
69 if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
70 logger.warn("Set Graceful default termination timeout = 60")
71 self.gracefulTerminationTimeout = 60
72 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
73 JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
74 logger.info("Nf terminating pre-check finish")
77 def query_inst_resource(self):
78 logger.info('Query resource begin')
79 for resource_type in RESOURCE_MAP.keys():
80 resource_table = globals().get(resource_type + 'InstModel')
81 resource_insts = resource_table.objects.filter(instid=self.nf_inst_id)
82 for resource_inst in resource_insts:
83 if not resource_inst.resouceid:
85 self.inst_resource[RESOURCE_MAP.get(resource_type)].append(self.get_resource(resource_inst))
86 logger.info('Query resource end, resource=%s' % self.inst_resource)
88 def get_resource(self, resource):
90 "vim_id": resource.vimid,
91 "tenant_id": resource.tenant,
92 "res_id": resource.resouceid,
93 "is_predefined": resource.is_predefined
96 def query_notify_data(self):
97 logger.info('Send notify request to nfvo')
99 vnfcs = VNFCInstModel.objects.filter(instid=self.nf_inst_id)
103 vm = VmInstModel.objects.filter(vmid=vnfc.vmid)
106 'vimId': vm[0].vimid,
107 'resourceId': vm[0].resouceid,
108 'resourceProviderId': vm[0].vmname,
109 'vimLevelResourceType': 'vm'
111 affected_vnfcs.append({
112 'id': vnfc.vnfcinstanceid,
114 'changeType': 'REMOVED',
115 'computeResource': vm_resource
118 networks = NetworkInstModel.objects.filter(instid=self.nf_inst_id)
119 for network in networks:
121 'vimConnectionId': network.vimid,
122 'resourceId': network.resouceid,
123 'resourceProviderId': network.name,
124 'vimLevelResourceType': 'network'
126 affected_vls.append({
127 'id': network.networkid,
128 'virtualLinkDescId': network.nodeId,
129 'changeType': 'REMOVED',
130 'networkResource': network_resource
133 ports = PortInstModel.objects.filter(instid=self.nf_inst_id)
135 ext_link_ports.append({
138 'vimConnectionId': port.vimid,
139 'resourceId': port.resouceid,
140 'resourceProviderId': port.name,
141 'vimLevelResourceType': 'port'
143 'cpInstanceId': port.cpinstanceid
146 vss = StorageInstModel.objects.filter(instid=self.nf_inst_id)
148 affected_vss.append({
150 'virtualStorageDescId': vs.nodeId,
151 'changeType': 'REMOVED',
153 'vimConnectionId': vs.vimid,
154 'resourceId': vs.resouceid,
155 'resourceProviderId': vs.name,
156 'vimLevelResourceType': 'volume'
159 FlavourInstModel.objects.filter(instid=self.nf_inst_id)
160 SubNetworkInstModel.objects.filter(instid=self.nf_inst_id)
162 "notificationType": 'VnfLcmOperationOccurrenceNotification',
163 "notificationStatus": 'RESULT',
164 "vnfInstanceId": self.nf_inst_id,
165 "operation": 'TERMINATE',
166 "vnfLcmOpOccId": self.job_id,
167 'affectedVnfcs': affected_vnfcs,
168 'affectedVirtualLinks': affected_vls,
169 'affectedVirtualStorages': affected_vss,
170 'chengedExtConnectivity': [{
172 'resourceHandle': None, # TODO
173 'extLinkPorts': ext_link_ports
177 vnfInsts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
178 self.notify_data['vnfmInstId'] = vnfInsts[0].vnfminstid
179 logger.info('Notify request data=%s' % self.notify_data)
181 def delete_resource(self):
182 logger.info('Rollback resource begin')
183 adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete)
184 logger.info('Rollback resource complete')
186 def do_notify_delete(self, res_type, res_id):
187 logger.error('Deleting [%s] resource, resourceid [%s]' % (res_type, res_id))
188 resource_type = RESOURCE_MAP.keys()[RESOURCE_MAP.values().index(res_type)]
189 resource_table = globals().get(resource_type + 'InstModel')
190 resource_table.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
192 def lcm_notify(self):
193 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='NOT_INSTANTIATED', lastuptime=now_time())
194 logger.info('Send notify request to nfvo')
195 resp = notify_lcm_to_nfvo(json.dumps(self.notify_data))
196 logger.info('Lcm notify end, response: %s' % resp)
198 def vnf_term_failed_handle(self, error_msg):
199 logger.error('VNF termination failed, detail message: %s' % error_msg)
200 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
201 JobUtil.add_job_status(self.job_id, 255, error_msg)