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 (
22 NfInstModel, VmInstModel, NetworkInstModel,
23 StorageInstModel, PortInstModel, VNFCInstModel,
24 FlavourInstModel, SubNetworkInstModel
26 from lcm.pub.exceptions import NFLCMException
27 from lcm.pub.msapi.gvnfmdriver import prepare_notification_data, notify_lcm_to_nfvo
28 from lcm.pub.utils.jobutil import JobUtil
29 from lcm.pub.utils.timeutil import now_time
30 from lcm.pub.utils.values import ignore_case_get
31 from lcm.pub.vimapi import adaptor
32 from lcm.nf.biz.grant_vnf import grant_resource
34 logger = logging.getLogger(__name__)
37 class TerminateVnf(Thread):
38 def __init__(self, data, nf_inst_id, job_id):
39 super(TerminateVnf, self).__init__()
41 self.nf_inst_id = nf_inst_id
43 self.terminationType = ignore_case_get(self.data, "terminationType")
44 self.gracefulTerminationTimeout = ignore_case_get(self.data, "gracefulTerminationTimeout")
45 self.inst_resource = {'volumn': [], 'network': [], 'subnet': [], 'port': [], 'flavor': [], 'vm': []}
46 self.grant_type = "Terminate"
51 vdus = VmInstModel.objects.filter(instid=self.nf_inst_id, is_predefined=1)
52 apply_result = grant_resource(data=self.data, nf_inst_id=self.nf_inst_id, job_id=self.job_id,
53 grant_type=self.grant_type, vdus=vdus)
54 logger.info("Grant resource end, response: %s" % apply_result)
55 JobUtil.add_job_status(self.job_id, 20, 'Nf terminating grant_resource finish')
56 self.query_inst_resource()
57 self.query_notify_data()
58 self.delete_resource()
60 JobUtil.add_job_status(self.job_id, 100, "Terminate Vnf success.")
61 except NFLCMException as e:
62 self.vnf_term_failed_handle(e.message)
63 except Exception as e:
64 logger.error(e.message)
65 self.vnf_term_failed_handle(traceback.format_exc())
68 vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
69 if not vnf_insts.exists():
70 logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
72 if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
73 logger.warn("Set Graceful default termination timeout = 60")
74 self.gracefulTerminationTimeout = 60
75 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
76 JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
77 logger.info("Nf terminating pre-check finish")
80 def query_inst_resource(self):
81 logger.info('Query resource begin')
82 for resource_type in RESOURCE_MAP.keys():
83 resource_table = globals().get(resource_type + 'InstModel')
84 resource_insts = resource_table.objects.filter(instid=self.nf_inst_id)
85 for resource_inst in resource_insts:
86 if not resource_inst.resouceid:
88 self.inst_resource[RESOURCE_MAP.get(resource_type)].append(self.get_resource(resource_inst))
89 logger.info('Query resource end, resource=%s' % self.inst_resource)
91 def get_resource(self, resource):
93 "vim_id": resource.vimid,
94 "tenant_id": resource.tenant,
95 "res_id": resource.resouceid,
96 "is_predefined": resource.is_predefined
99 def query_notify_data(self):
100 self.notify_data = prepare_notification_data(self.nf_inst_id, self.job_id, "RMOVED")
101 NetworkInstModel.objects.filter(instid=self.nf_inst_id)
102 StorageInstModel.objects.filter(instid=self.nf_inst_id)
103 PortInstModel.objects.filter(instid=self.nf_inst_id)
104 VNFCInstModel.objects.filter(instid=self.nf_inst_id)
105 FlavourInstModel.objects.filter(instid=self.nf_inst_id)
106 SubNetworkInstModel.objects.filter(instid=self.nf_inst_id)
108 def delete_resource(self):
109 logger.info('Rollback resource begin')
110 adaptor.delete_vim_res(self.inst_resource, self.do_notify_delete)
111 logger.info('Rollback resource complete')
113 def do_notify_delete(self, res_type, res_id):
114 logger.error('Deleting [%s] resource, resourceid [%s]' % (res_type, res_id))
115 resource_type = RESOURCE_MAP.keys()[RESOURCE_MAP.values().index(res_type)]
116 resource_table = globals().get(resource_type + 'InstModel')
117 resource_table.objects.filter(instid=self.nf_inst_id, resouceid=res_id).delete()
119 def lcm_notify(self):
120 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='NOT_INSTANTIATED', lastuptime=now_time())
121 logger.info('Send notify request to nfvo')
122 resp = notify_lcm_to_nfvo(json.dumps(self.notify_data))
123 logger.info('Lcm notify end, response: %s' % resp)
125 def vnf_term_failed_handle(self, error_msg):
126 logger.error('VNF termination failed, detail message: %s' % error_msg)
127 NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
128 JobUtil.add_job_status(self.job_id, 255, error_msg)