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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
# Copyright 2016 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 math
import threading
import time
import traceback
from lcm.ns.vnfs.wait_job import wait_job_finish
from lcm.pub.database.models import NSInstModel, VLInstModel, FPInstModel, NfInstModel
from lcm.pub.exceptions import NSLCMException
from lcm.pub.msapi.nslcm import call_from_ns_cancel_resource
from lcm.pub.utils.jobutil import JOB_MODEL_STATUS, JobUtil
from lcm.pub.utils.values import ignore_case_get
JOB_ERROR = 255
# [delete vnf try times]
logger = logging.getLogger(__name__)
class TerminateNsService(threading.Thread):
def __init__(self, ns_inst_id, terminate_type, terminate_timeout, job_id):
threading.Thread.__init__(self)
self.ns_inst_id = ns_inst_id
self.terminate_type = terminate_type
self.terminate_timeout = terminate_timeout
self.job_id = job_id
self.vnfm_inst_id = ''
def run(self):
try:
self.do_biz()
except NSLCMException as e:
JobUtil.add_job_status(self.job_id, JOB_ERROR, e.message)
except:
logger.error(traceback.format_exc())
JobUtil.add_job_status(self.job_id, JOB_ERROR, "ns terminate fail.", '')
def do_biz(self):
if not self.check_data():
JobUtil.add_job_status(self.job_id, 100, "Need not terminate.", '')
return
self.cancel_sfc_list()
self.cancel_vnf_list()
time.sleep(4)
self.cancel_vl_list()
self.finaldata()
def check_data(self):
JobUtil.add_job_status(self.job_id, 0, "TERMINATING...", '')
ns_inst = NSInstModel.objects.filter(id=self.ns_inst_id)
if not ns_inst.exists():
logger.warn('ns instance [%s] does not exist.' % self.ns_inst_id)
return False
JobUtil.add_job_status(self.job_id, 10, "Ns cancel: check ns_inst_id success", '')
return True
# delete VLINST
def cancel_vl_list(self):
array_vlinst = VLInstModel.objects.filter(ownertype='2', ownerid=self.ns_inst_id)
if not array_vlinst:
logger.error("[cancel_vl_list] no vlinst attatch to ns_inst_id:%s" % self.ns_inst_id)
return
step_progress = 20 / len(array_vlinst)
cur_progress = 70
for vlinst in array_vlinst:
tmp_msg = vlinst.vlinstanceid
try:
ret = self.delete_vl(tmp_msg)
if ret[0] == 0:
cur_progress += step_progress
result = json.JSONDecoder().decode(ret[1]).get("result", "")
if str(result) == '0':
JobUtil.add_job_status(self.job_id, cur_progress, "Delete vlinst:[%s] success." % tmp_msg, '')
else:
JobUtil.add_job_status(self.job_id, cur_progress, "Delete vlinst:[%s] failed." % tmp_msg, '')
return 'false'
else:
NSInstModel.objects.filter(id=self.ns_inst_id).update(status='FAILED')
return 'false'
except Exception as e:
logger.error("[cancel_vl_list] error[%s]!" % e.message)
logger.error(traceback.format_exc())
JobUtil.add_job_status(self.job_id, cur_progress, "Delete vlinst:[%s] Failed." % tmp_msg, '')
return 'false'
return 'true'
# delete SFC
def cancel_sfc_list(self):
array_sfcinst = FPInstModel.objects.filter(nsinstid=self.ns_inst_id)
if not array_sfcinst:
logger.error("[cancel_sfc_list] no sfcinst attatch to ns_inst_id:%s" % self.ns_inst_id)
return
step_progress = 20 / len(array_sfcinst)
cur_progress = 30
for sfcinst in array_sfcinst:
tmp_msg = sfcinst.sfcid
try:
ret = self.delete_sfc(tmp_msg)
if ret[0] == 0:
cur_progress += step_progress
result = json.JSONDecoder().decode(ret[1]).get("result", "")
if str(result) == '0':
JobUtil.add_job_status(self.job_id, cur_progress, "Delete sfcinst:[%s] success." % tmp_msg, '')
else:
JobUtil.add_job_status(self.job_id, cur_progress, "Delete sfcinst:[%s] failed." % tmp_msg, '')
return 'false'
else:
NSInstModel.objects.filter(id=self.ns_inst_id).update(status='FAILED')
return 'false'
except Exception as e:
logger.error("[cancel_sfc_list] error[%s]!" % e.message)
logger.error(traceback.format_exc())
JobUtil.add_job_status(self.job_id, cur_progress, "Delete sfcinst:[%s] Failed." % tmp_msg, '')
return 'false'
return 'true'
# delete Vnf
def cancel_vnf_list(self):
array_vnfinst = NfInstModel.objects.filter(ns_inst_id=self.ns_inst_id)
if not array_vnfinst:
logger.error("[cancel_vnf_list] no vnfinst attatch to ns_inst_id:%s" % self.ns_inst_id)
return
step_progress = 20 / len(array_vnfinst)
cur_progress = 50
for vnfinst in array_vnfinst:
tmp_msg = vnfinst.nfinstid
try:
self.delete_vnf(tmp_msg)
cur_progress += step_progress
JobUtil.add_job_status(self.job_id, cur_progress, "Delete vnfinst:[%s] success." % tmp_msg, '')
except Exception as e:
logger.error("[cancel_vnf_list] error[%s]!" % e.message)
logger.error(traceback.format_exc())
JobUtil.add_job_status(self.job_id, cur_progress, "Delete vnfinst:[%s] Failed." % tmp_msg, '')
return 'false'
return 'true'
def delete_vnf(self, nf_instid):
ret = call_from_ns_cancel_resource('vnf', nf_instid)
self.delete_resource(ret)
def delete_sfc(self, sfc_instid):
ret = call_from_ns_cancel_resource('sfc', sfc_instid)
return ret
def delete_vl(self, vl_instid):
ret = call_from_ns_cancel_resource('vl', vl_instid)
return ret
def delete_resource(self, result):
logger.debug("terminate_type=%s, result=%s", self.terminate_type, result)
if result[0] == 0:
job_info = json.JSONDecoder().decode(result[1])
vnfm_job_id = ignore_case_get(job_info, "jobid")
self.add_progress(5, "SEND_TERMINATE_REQ_SUCCESS")
if self.terminate_type == 'forceful':
ret = wait_job_finish(self.vnfm_inst_id, self.job_id, vnfm_job_id,
progress_range=[10, 50],
timeout=self.terminate_timeout,
job_callback=TerminateNsService.wait_job_mode_callback, mode='1')
if ret != JOB_MODEL_STATUS.FINISHED:
logger.error('[NS terminate] VNFM terminate ns failed')
NSInstModel.objects.filter(id=self.ns_inst_id).update(status='FAILED')
raise NSLCMException("DELETE_NS_RESOURCE_FAILED")
else:
logger.error('[NS terminate] VNFM terminate ns failed')
NSInstModel.objects.filter(id=self.ns_inst_id).update(status='FAILED')
raise NSLCMException("DELETE_NS_RESOURCE_FAILED")
def exception(self):
NSInstModel.objects.filter(id=self.ns_inst_id).update(status='FAILED')
raise NSLCMException("DELETE_NS_RESOURCE_FAILED")
def finaldata(self):
NSInstModel.objects.filter(id=self.ns_inst_id).update(status='null')
JobUtil.add_job_status(self.job_id, 100, "ns terminate ends.", '')
@staticmethod
def call_vnfm_to_cancel_resource(res_type, instid):
ret = call_from_ns_cancel_resource(res_type, instid)
return ret
def add_progress(self, progress, status_decs, error_code=""):
JobUtil.add_job_status(self.job_id, progress, status_decs, error_code)
@staticmethod
def wait_job_mode_callback(vnfo_job_id, vnfm_job_id, job_status, jobs, progress_range, **kwargs):
for job in jobs:
progress = TerminateNsService.calc_progress_over_100(job['progress'], progress_range)
if 255 == progress and '1' == kwargs['mode']:
break
JobUtil.add_job_status(vnfo_job_id, progress, job.get('statusdescription', ''), job.get('errorcode', ''))
latest_progress = TerminateNsService.calc_progress_over_100(job_status['progress'], progress_range)
if 255 == latest_progress and '1' == kwargs['mode']:
JobUtil.add_job_status(vnfo_job_id, progress_range[1], job_status.get('statusdescription', ''),
job_status.get('errorcode', ''))
else:
JobUtil.add_job_status(vnfo_job_id, latest_progress, job_status.get('statusdescription', ''),
job_status.get('errorcode', ''))
if job_status['status'] in ('error', 'finished'):
return True, job_status['status']
return False, 'processing'
@staticmethod
def wait_job_finish_common_call_back(vnfo_job_id, vnfm_job_id, job_status, jobs, progress_range, **kwargs):
error_254 = False
for job in jobs:
progress = TerminateNsService.calc_progress_over_100(job['progress'], progress_range)
if 254 == progress:
logger.debug("=========254==============")
progress = 255
error_254 = True
JobUtil.add_job_status(vnfo_job_id, progress, job.get('statusdescription', ""), job.get('errorcode', ""))
latest_progress = TerminateNsService.calc_progress_over_100(job_status['progress'], progress_range)
if 254 == latest_progress:
logger.debug("=========254==============")
latest_progress = 255
error_254 = True
JobUtil.add_job_status(vnfo_job_id, latest_progress, job_status.get('statusdescription', ""),
job_status.get('errorcode', ""))
# return error_254
if error_254:
logger.debug("return 254")
return True, 'error_254'
if job_status['status'] in ('error', 'finished'):
return True, job_status['status']
return False, 'processing'
@staticmethod
def calc_progress_over_100(vnfm_progress, target_range=None):
if target_range is None:
target_range = [0, 100]
progress = int(vnfm_progress)
if progress > 100:
return progress
floor_progress = int(math.floor(float(target_range[1] - target_range[0]) / 100 * progress))
target_range = floor_progress + target_range[0]
return target_range
|
