1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
# Copyright 2017 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import logging
import traceback
from threading import Thread
from lcm.nf.const import VNF_STATUS, RESOURCE_MAP
from lcm.pub.database.models import (
NfInstModel, VmInstModel, NetworkInstModel,
StorageInstModel, PortInstModel, VNFCInstModel,
FlavourInstModel, SubNetworkInstModel
)
from lcm.pub.exceptions import NFLCMException
from lcm.pub.msapi.gvnfmdriver import prepare_notification_data
from lcm.pub.msapi.gvnfmdriver import notify_lcm_to_nfvo
from lcm.pub.utils.jobutil import JobUtil
from lcm.pub.utils.timeutil import now_time
from lcm.pub.utils.notificationsutil import NotificationsUtil
from lcm.pub.utils.values import ignore_case_get
from lcm.pub.vimapi import adaptor
from lcm.nf.biz.grant_vnf import grant_resource
from lcm.nf.const import CHANGE_TYPE, GRANT_TYPE, OPERATION_TYPE
from lcm.nf.const import OPERATION_TASK
from lcm.nf.const import OPERATION_STATE_TYPE
from .operate_vnf_lcm_op_occ import VnfLcmOpOcc
logger = logging.getLogger(__name__)
class TerminateVnf(Thread):
def __init__(self, data, nf_inst_id, job_id):
super(TerminateVnf, self).__init__()
self.data = data
self.nf_inst_id = nf_inst_id
self.job_id = job_id
self.terminationType = ignore_case_get(
self.data,
"terminationType"
)
self.gracefulTerminationTimeout = ignore_case_get(
self.data,
"gracefulTerminationTimeout"
)
self.inst_resource = {
'volumn': [],
'network': [],
'subnet': [],
'port': [],
'flavor': [],
'vm': []
}
self.grant_type = GRANT_TYPE.TERMINATE
self.lcm_op_occ = VnfLcmOpOcc(
vnf_inst_id=nf_inst_id,
lcm_op_id=job_id,
operation=OPERATION_TYPE.TERMINATE,
task=OPERATION_TASK.TERMINATE
)
def run(self):
try:
if self.term_pre():
vdus = VmInstModel.objects.filter(
instid=self.nf_inst_id,
is_predefined=1
)
self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.STARTING)
apply_result = grant_resource(
data=self.data,
nf_inst_id=self.nf_inst_id,
job_id=self.job_id,
grant_type=self.grant_type,
vdus=vdus
)
self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.PROCESSING)
logger.info("Grant resource end, response: %s" % apply_result)
JobUtil.add_job_status(
self.job_id,
20,
'Nf terminating grant_resource finish'
)
self.query_inst_resource()
self.query_notify_data()
self.delete_resource()
self.lcm_notify()
JobUtil.add_job_status(
self.job_id,
100,
"Terminate Vnf success."
)
except NFLCMException as e:
self.vnf_term_failed_handle(e.args[0])
except Exception as e:
logger.error(e.args[0])
logger.error(traceback.format_exc())
self.vnf_term_failed_handle(e.args[0])
def term_pre(self):
vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
if not vnf_insts.exists():
logger.warn('VnfInst(%s) does not exist' % self.nf_inst_id)
return False
if self.terminationType == 'GRACEFUL' and not self.gracefulTerminationTimeout:
logger.warn("Set Graceful default termination timeout = 60")
self.gracefulTerminationTimeout = 60
NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.TERMINATING)
JobUtil.add_job_status(self.job_id, 10, 'Nf terminating pre-check finish')
logger.info("Nf terminating pre-check finish")
return True
def query_inst_resource(self):
logger.info('Query resource begin')
for resource_type in list(RESOURCE_MAP.keys()):
resource_table = globals().get(resource_type + 'InstModel')
resource_insts = resource_table.objects.filter(instid=self.nf_inst_id)
for resource_inst in resource_insts:
if not resource_inst.resourceid:
continue
self.inst_resource[RESOURCE_MAP.get(resource_type)].append(self.get_resource(resource_inst))
logger.info('Query resource end, resource=%s' % self.inst_resource)
def get_resource(self, resource):
return {
"vim_id": resource.vimid,
"tenant_id": resource.tenant,
"res_id": resource.resourceid,
"is_predefined": resource.is_predefined
}
def query_notify_data(self):
self.notify_data = prepare_notification_data(
self.nf_inst_id,
self.job_id,
CHANGE_TYPE.REMOVED,
OPERATION_TYPE.TERMINATE
)
NetworkInstModel.objects.filter(instid=self.nf_inst_id)
StorageInstModel.objects.filter(instid=self.nf_inst_id)
PortInstModel.objects.filter(instid=self.nf_inst_id)
VNFCInstModel.objects.filter(instid=self.nf_inst_id)
FlavourInstModel.objects.filter(instid=self.nf_inst_id)
SubNetworkInstModel.objects.filter(instid=self.nf_inst_id)
def delete_resource(self):
logger.info('Rollback resource begin')
adaptor.delete_vim_res(
self.inst_resource,
self.do_notify_delete
)
logger.info('Rollback resource complete')
def do_notify_delete(self, res_type, res_id):
logger.debug('Deleting [%s] resource, resourceid [%s]' % (res_type, res_id))
resource_type = list(RESOURCE_MAP.keys())[list(RESOURCE_MAP.values()).index(res_type)]
resource_table = globals().get(resource_type + 'InstModel')
resource_table.objects.filter(instid=self.nf_inst_id, resourceid=res_id).delete()
def lcm_notify(self):
NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(
status='NOT_INSTANTIATED',
lastuptime=now_time()
)
logger.info('Send notify request to nfvo')
try:
resp = notify_lcm_to_nfvo(json.dumps(self.notify_data))
logger.info('Lcm notify end, response: %s' % resp)
NotificationsUtil().send_notification(self.notify_data)
except Exception as e:
logger.error("Lcm terminate notify failed: %s", e.args[0])
def vnf_term_failed_handle(self, error_msg):
logger.error('VNF termination failed, detail message: %s' % error_msg)
NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(lastuptime=now_time())
self.lcm_op_occ.notify_lcm(OPERATION_STATE_TYPE.FAILED, error_msg)
JobUtil.add_job_status(self.job_id, 255, error_msg)
|
