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 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 TerminateVnf(Thread):
34 def __init__(self, data, nf_inst_id, job_id):
35 super(TerminateVnf, 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.inst_resource = {'volumn': [], 'network': [], 'subnet': [], 'port': [], 'flavor': [], 'vm': []}
47 self.query_inst_resource()
48 self.query_notify_data()
49 self.delete_resource()
51 JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
52 except NFLCMException as e:
53 self.vnf_term_failed_handle(e.message)
54 except Exception as e:
55 logger.error(e.message)
56 self.vnf_term_failed_handle(traceback.format_exc())
59 vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
60 if not vnf_insts.exists():
61 logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
63 if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
64 logger.warn("Set Graceful default termination timeout = 60")
65 self.gracefulTerminationTimeout = 60
66 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
67 JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
68 logger.info("Nf terminating pre-check finish")
71 def grant_resource(self):
72 logger.info("Grant resource begin")
74 'vnfInstanceId': self.nf_inst_id,
75 'vnfDescriptorId': '',
76 'lifecycleOperation': 'Terminate',
80 'placementConstraint': [],
84 vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
89 'resDefId': str(res_index),
90 'resDesId': vdu.resouceid}
91 content_args['removeResource'].append(res_def)
94 vnfInsts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
95 content_args['additionalParam']['vnfmid'] = vnfInsts[0].vnfminstid
96 content_args['additionalParam']['vimid'] = vdus[0].vimid
97 logger.info('Grant request data=%s' % content_args)
98 self.apply_result = apply_grant_to_nfvo(json.dumps(content_args))
99 logger.info("Grant resource end, response: %s" % self.apply_result)
100 JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
102 def query_inst_resource(self):
103 logger.info('Query resource begin')
104 for resource_type in RESOURCE_MAP.keys():
105 resource_table = globals().get(resource_type + 'InstModel')
106 resource_insts = resource_table.objects.filter(instid=self.nf_inst_id)
107 for resource_inst in resource_insts:
108 if not resource_inst.resouceid:
110 self.inst_resource[RESOURCE_MAP.get(resource_type)].append(self.get_resource(resource_inst))
111 logger.info('Query resource end, resource=%s' % self.inst_resource)
113 def get_resource(self, resource):
115 "vim_id": resource.vimid,
116 "tenant_id": resource.tenant,
117 "res_id": resource.resouceid,
118 "is_predefined": resource.is_predefined
121 def query_notify_data(self):
122 logger.info('Send notify request to nfvo')
124 vnfcs = VNFCInstModel.objects.filter(instid=self.nf_inst_id)
128 vm = VmInstModel.objects.filter(vmid=vnfc.vmid)
131 'vimId': vm[0].vimid,
132 'resourceId': vm[0].resouceid,
133 'resourceProviderId': vm[0].vmname,
134 'vimLevelResourceType': 'vm'
136 affected_vnfcs.append({
137 'id': vnfc.vnfcinstanceid,
139 'changeType': 'REMOVED',
140 'computeResource': vm_resource
143 networks = NetworkInstModel.objects.filter(instid=self.nf_inst_id)
144 for network in networks:
146 'vimConnectionId': network.vimid,
147 'resourceId': network.resouceid,
148 'resourceProviderId': network.name,
149 'vimLevelResourceType': 'network'
151 affected_vls.append({
152 'id': network.networkid,
153 'virtualLinkDescId': network.nodeId,
154 'changeType': 'REMOVED',
155 'networkResource': network_resource
158 ports = PortInstModel.objects.filter(instid=self.nf_inst_id)
160 ext_link_ports.append({
163 'vimConnectionId': port.vimid,
164 'resourceId': port.resouceid,
165 'resourceProviderId': port.name,
166 'vimLevelResourceType': 'port'
168 'cpInstanceId': port.cpinstanceid
171 vss = StorageInstModel.objects.filter(instid=self.nf_inst_id)
173 affected_vss.append({
175 'virtualStorageDescId': vs.nodeId,
176 'changeType': 'REMOVED',
178 'vimConnectionId': vs.vimid,
179 'resourceId': vs.resouceid,
180 'resourceProviderId': vs.name,
181 'vimLevelResourceType': 'volume'
184 FlavourInstModel.objects.filter(instid=self.nf_inst_id)
185 SubNetworkInstModel.objects.filter(instid=self.nf_inst_id)
187 "notificationType": 'VnfLcmOperationOccurrenceNotification',
188 "notificationStatus": 'RESULT',
189 "vnfInstanceId": self.nf_inst_id,
190 "operation": 'TERMINATE',
191 "vnfLcmOpOccId": self.job_id,
192 'affectedVnfcs': affected_vnfcs,
193 'affectedVirtualLinks': affected_vls,
194 'affectedVirtualStorages': affected_vss,
195 'chengedExtConnectivity': [{
197 'resourceHandle': None, # TODO
198 'extLinkPorts': ext_link_ports
202 vnfInsts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
203 self.notify_data['vnfmInstId'] = vnfInsts[0].vnfminstid
204 logger.info('Notify request data=%s' % self.notify_data)
206 def delete_resource(self):
207 logger.info('Rollback resource begin')
208 adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete)
209 logger.info('Rollback resource complete')
211 def do_notify_delete(self, res_type, res_id):
212 logger.error('Deleting [%s] resource, resourceid [%s]' % (res_type, res_id))
213 resource_type = RESOURCE_MAP.keys()[RESOURCE_MAP.values().index(res_type)]
214 resource_table = globals().get(resource_type + 'InstModel')
215 resource_table.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
217 def lcm_notify(self):
218 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='NOT_INSTANTIATED', lastuptime=now_time())
219 logger.info('Send notify request to nfvo')
220 resp = notify_lcm_to_nfvo(json.dumps(self.notify_data))
221 logger.info('Lcm notify end, response: %s' % resp)
223 def vnf_term_failed_handle(self, error_msg):
224 logger.error('VNF termination failed, detail message: %s' % error_msg)
225 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
226 JobUtil.add_job_status(self.job_id, 255, error_msg)