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
|
# This file is part of cloud-init. See LICENSE file for license information.
from cloudinit.reporting import events
from cloudinit.reporting.handlers import HyperVKvpReportingHandler
import json
import os
import struct
import time
import re
from unittest import mock
from cloudinit import util
from cloudinit.tests.helpers import CiTestCase
from cloudinit.sources.helpers import azure
class TestKvpEncoding(CiTestCase):
def test_encode_decode(self):
kvp = {'key': 'key1', 'value': 'value1'}
kvp_reporting = HyperVKvpReportingHandler()
data = kvp_reporting._encode_kvp_item(kvp['key'], kvp['value'])
self.assertEqual(len(data), kvp_reporting.HV_KVP_RECORD_SIZE)
decoded_kvp = kvp_reporting._decode_kvp_item(data)
self.assertEqual(kvp, decoded_kvp)
class TextKvpReporter(CiTestCase):
def setUp(self):
super(TextKvpReporter, self).setUp()
self.tmp_file_path = self.tmp_path('kvp_pool_file')
util.ensure_file(self.tmp_file_path)
def test_events_with_higher_incarnation_not_over_written(self):
reporter = HyperVKvpReportingHandler(
kvp_file_path=self.tmp_file_path)
self.assertEqual(0, len(list(reporter._iterate_kvps(0))))
reporter.publish_event(
events.ReportingEvent('foo', 'name1', 'description'))
reporter.publish_event(
events.ReportingEvent('foo', 'name2', 'description'))
reporter.q.join()
self.assertEqual(2, len(list(reporter._iterate_kvps(0))))
reporter3 = HyperVKvpReportingHandler(
kvp_file_path=self.tmp_file_path)
reporter3.incarnation_no = reporter.incarnation_no - 1
reporter3.publish_event(
events.ReportingEvent('foo', 'name3', 'description'))
reporter3.q.join()
self.assertEqual(3, len(list(reporter3._iterate_kvps(0))))
def test_finish_event_result_is_logged(self):
reporter = HyperVKvpReportingHandler(
kvp_file_path=self.tmp_file_path)
reporter.publish_event(
events.FinishReportingEvent('name2', 'description1',
result=events.status.FAIL))
reporter.q.join()
self.assertIn('FAIL', list(reporter._iterate_kvps(0))[0]['value'])
def test_file_operation_issue(self):
os.remove(self.tmp_file_path)
reporter = HyperVKvpReportingHandler(
kvp_file_path=self.tmp_file_path)
reporter.publish_event(
events.FinishReportingEvent('name2', 'description1',
result=events.status.FAIL))
reporter.q.join()
def test_event_very_long(self):
reporter = HyperVKvpReportingHandler(
kvp_file_path=self.tmp_file_path)
description = 'ab' * reporter.HV_KVP_EXCHANGE_MAX_VALUE_SIZE
long_event = events.FinishReportingEvent(
'event_name',
description,
result=events.status.FAIL)
reporter.publish_event(long_event)
reporter.q.join()
kvps = list(reporter._iterate_kvps(0))
self.assertEqual(3, len(kvps))
# restore from the kvp to see the content are all there
full_description = ''
for i in range(len(kvps)):
msg_slice = json.loads(kvps[i]['value'])
self.assertEqual(msg_slice['msg_i'], i)
full_description += msg_slice['msg']
self.assertEqual(description, full_description)
def test_not_truncate_kvp_file_modified_after_boot(self):
with open(self.tmp_file_path, "wb+") as f:
kvp = {'key': 'key1', 'value': 'value1'}
data = (struct.pack("%ds%ds" % (
HyperVKvpReportingHandler.HV_KVP_EXCHANGE_MAX_KEY_SIZE,
HyperVKvpReportingHandler.HV_KVP_EXCHANGE_MAX_VALUE_SIZE),
kvp['key'].encode('utf-8'), kvp['value'].encode('utf-8')))
f.write(data)
cur_time = time.time()
os.utime(self.tmp_file_path, (cur_time, cur_time))
# reset this because the unit test framework
# has already polluted the class variable
HyperVKvpReportingHandler._already_truncated_pool_file = False
reporter = HyperVKvpReportingHandler(kvp_file_path=self.tmp_file_path)
kvps = list(reporter._iterate_kvps(0))
self.assertEqual(1, len(kvps))
def test_truncate_stale_kvp_file(self):
with open(self.tmp_file_path, "wb+") as f:
kvp = {'key': 'key1', 'value': 'value1'}
data = (struct.pack("%ds%ds" % (
HyperVKvpReportingHandler.HV_KVP_EXCHANGE_MAX_KEY_SIZE,
HyperVKvpReportingHandler.HV_KVP_EXCHANGE_MAX_VALUE_SIZE),
kvp['key'].encode('utf-8'), kvp['value'].encode('utf-8')))
f.write(data)
# set the time ways back to make it look like
# we had an old kvp file
os.utime(self.tmp_file_path, (1000000, 1000000))
# reset this because the unit test framework
# has already polluted the class variable
HyperVKvpReportingHandler._already_truncated_pool_file = False
reporter = HyperVKvpReportingHandler(kvp_file_path=self.tmp_file_path)
kvps = list(reporter._iterate_kvps(0))
self.assertEqual(0, len(kvps))
@mock.patch('cloudinit.distros.uses_systemd')
@mock.patch('cloudinit.subp.subp')
def test_get_boot_telemetry(self, m_subp, m_sysd):
reporter = HyperVKvpReportingHandler(kvp_file_path=self.tmp_file_path)
datetime_pattern = r"\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]"
r"\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z)"
# get_boot_telemetry makes two subp calls to systemctl. We provide
# a list of values that the subp calls should return
m_subp.side_effect = [
('UserspaceTimestampMonotonic=1844838', ''),
('InactiveExitTimestampMonotonic=3068203', '')]
m_sysd.return_value = True
reporter.publish_event(azure.get_boot_telemetry())
reporter.q.join()
kvps = list(reporter._iterate_kvps(0))
self.assertEqual(1, len(kvps))
evt_msg = kvps[0]['value']
if not re.search("kernel_start=" + datetime_pattern, evt_msg):
raise AssertionError("missing kernel_start timestamp")
if not re.search("user_start=" + datetime_pattern, evt_msg):
raise AssertionError("missing user_start timestamp")
if not re.search("cloudinit_activation=" + datetime_pattern,
evt_msg):
raise AssertionError(
"missing cloudinit_activation timestamp")
def test_get_system_info(self):
reporter = HyperVKvpReportingHandler(kvp_file_path=self.tmp_file_path)
pattern = r"[^=\s]+"
reporter.publish_event(azure.get_system_info())
reporter.q.join()
kvps = list(reporter._iterate_kvps(0))
self.assertEqual(1, len(kvps))
evt_msg = kvps[0]['value']
# the most important information is cloudinit version,
# kernel_version, and the distro variant. It is ok if
# if the rest is not available
if not re.search("cloudinit_version=" + pattern, evt_msg):
raise AssertionError("missing cloudinit_version string")
if not re.search("kernel_version=" + pattern, evt_msg):
raise AssertionError("missing kernel_version string")
if not re.search("variant=" + pattern, evt_msg):
raise AssertionError("missing distro variant string")
def test_report_diagnostic_event(self):
reporter = HyperVKvpReportingHandler(kvp_file_path=self.tmp_file_path)
reporter.publish_event(
azure.report_diagnostic_event("test_diagnostic"))
reporter.q.join()
kvps = list(reporter._iterate_kvps(0))
self.assertEqual(1, len(kvps))
evt_msg = kvps[0]['value']
if "test_diagnostic" not in evt_msg:
raise AssertionError("missing expected diagnostic message")
def test_unique_kvp_key(self):
reporter = HyperVKvpReportingHandler(kvp_file_path=self.tmp_file_path)
evt1 = events.ReportingEvent(
"event_type", 'event_message',
"event_description")
reporter.publish_event(evt1)
evt2 = events.ReportingEvent(
"event_type", 'event_message',
"event_description", timestamp=evt1.timestamp + 1)
reporter.publish_event(evt2)
reporter.q.join()
kvps = list(reporter._iterate_kvps(0))
self.assertEqual(2, len(kvps))
self.assertNotEqual(kvps[0]["key"], kvps[1]["key"],
"duplicate keys for KVP entries")
|
