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
|
#!/usr/bin/env python3
"""
Unit tests for open-iscsi, using the unittest built-in package
"""
import sys
import unittest
import os
import time
from harness import util
from harness.util import Global
from harness.iscsi import IscsiData
class TestRegression(unittest.TestCase):
"""
Regression testing
"""
@classmethod
def setUpClass(cls):
util.verify_needed_commands_exist(['parted', 'fio', 'mkfs', 'bonnie++', 'dd', 'iscsiadm'])
util.vprint('*** Starting %s' % cls.__name__)
# XXX validate that target exists?
# an array of first burts, max burst, and max recv values, for testing
cls.param_values = [[4096, 4096, 4096],
[8192, 4096, 4096],
[16384, 4096, 4096],
[32768, 4096, 4096],
[65536, 4096, 4096],
[131972, 4096, 4096],
[4096, 8192, 4096],
[4096, 16384, 4096],
[4096, 32768, 4096],
[4096, 65536, 4096],
[4096, 131072, 4096],
[4096, 4096, 8192],
[4096, 4096, 16384],
[4096, 4096, 32768],
[4096, 4096, 65536],
[4096, 4096, 131072]]
def setUp(self):
if Global.debug or Global.verbosity > 1:
# this makes debug printing a little more clean
print('', file=sys.stderr)
def iscsi_logout(self):
res = util.run_cmd(['iscsiadm', '-m', 'node',
'-T', Global.target,
'-p', Global.ipnr,
'--logout'])
if res not in [0, 21]:
self.fail('logout failed')
self.assertFalse(os.path.exists(Global.device), '%s: exists after logout!' % Global.device)
def test_InitialR2T(self):
"""Test Initial Request to Transmit set, but no Immediate Data"""
i = 1
for v in self.param_values:
with self.subTest('Testing FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v), i=i):
self.iscsi_logout()
iscsi_data = IscsiData('No', 'Yes', 'None', 'None', v[0], v[1], v[2])
iscsi_data.update_cfg(Global.target, Global.ipnr)
self.run_the_rest()
i += 1
def test_ImmediateData(self):
"""Test Initial Request to Transmit set, but no Immediate Data"""
i = 1
for v in self.param_values:
with self.subTest('Testing FirstBurst={} MaxBurts={} MaxRecv={}'.format(*v), i=i):
self.iscsi_logout()
iscsi_data = IscsiData('Yes', 'No', 'None', 'None', v[0], v[1], v[2])
iscsi_data.update_cfg(Global.target, Global.ipnr)
self.run_the_rest()
i += 1
def run_the_rest(self):
res = util.run_cmd(['iscsiadm', '-m', 'node',
'-T', Global.target,
'-p', Global.ipnr,
'--login'])
self.assertEqual(res, 0, 'cannot login to device')
# wait a few seconds for the device to show up
if not util.wait_for_path(Global.device):
self.fail('%s: does not exist after login' % Global.device)
(res, reason) = util.run_fio()
self.assertEqual(res, 0, reason)
(res, reason) = util.run_parted()
self.assertEqual(res, 0, reason)
(res, reason) = util.run_mkfs()
self.assertEqual(res, 0, reason)
(res, reason) = util.run_bonnie()
self.assertEqual(res, 0, reason)
@classmethod
def tearDownClass(cls):
# restore iscsi config
iscsi_data = IscsiData()
iscsi_data.update_cfg(Global.target, Global.ipnr)
# log out of iscsi connection
util.run_cmd(['iscsiadm', '-m', 'node',
'-T', Global.target,
'-p', Global.ipnr,
'--logout'])
if __name__ == '__main__':
# do our own hackery first, to get access to verbosity, debug, etc,
# as well as add our own command-line options
util.setup_testProgram_overrides()
# now run the tests
unittest.main()
|
