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
|
#!/usr/bin/env python
#
# Tests for qmp command nbd-server-remove.
#
# Copyright (c) 2017 Virtuozzo International GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import os
import sys
import iotests
import time
from iotests import qemu_img, qemu_io, filter_qemu_io, QemuIoInteractive
nbd_sock = 'nbd_sock'
nbd_uri = 'nbd+unix:///exp?socket=' + nbd_sock
disk = os.path.join(iotests.test_dir, 'disk')
class TestNbdServerRemove(iotests.QMPTestCase):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, disk, '1M')
self.vm = iotests.VM().add_drive(disk)
self.vm.launch()
address = {
'type': 'unix',
'data': {
'path': nbd_sock
}
}
result = self.vm.qmp('nbd-server-start', addr=address)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('nbd-server-add', device='drive0', name='exp')
self.assert_qmp(result, 'return', {})
def tearDown(self):
self.vm.shutdown()
os.remove(nbd_sock)
os.remove(disk)
def remove_export(self, name, mode=None):
if mode is None:
return self.vm.qmp('nbd-server-remove', name=name)
else:
return self.vm.qmp('nbd-server-remove', name=name, mode=mode)
def assertExportNotFound(self, name):
result = self.vm.qmp('nbd-server-remove', name=name)
self.assert_qmp(result, 'error/desc', "Export 'exp' is not found")
def assertExistingClients(self, result):
self.assert_qmp(result, 'error/desc', "export 'exp' still in use")
def assertReadOk(self, qemu_io_output):
self.assertEqual(
filter_qemu_io(qemu_io_output).strip(),
'read 512/512 bytes at offset 0\n' +
'512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)')
def assertReadFailed(self, qemu_io_output):
self.assertEqual(filter_qemu_io(qemu_io_output).strip(),
'read failed: Input/output error')
def assertConnectFailed(self, qemu_io_output):
self.assertEqual(filter_qemu_io(qemu_io_output).strip(),
"can't open device " + nbd_uri +
": Requested export not available\n"
"server reported: export 'exp' not present")
def do_test_connect_after_remove(self, mode=None):
args = ('-r', '-f', 'raw', '-c', 'read 0 512', nbd_uri)
self.assertReadOk(qemu_io(*args))
result = self.remove_export('exp', mode)
self.assert_qmp(result, 'return', {})
self.assertExportNotFound('exp')
self.assertConnectFailed(qemu_io(*args))
def test_connect_after_remove_default(self):
self.do_test_connect_after_remove()
def test_connect_after_remove_safe(self):
self.do_test_connect_after_remove('safe')
def test_connect_after_remove_force(self):
self.do_test_connect_after_remove('hard')
def do_test_remove_during_connect_safe(self, mode=None):
qio = QemuIoInteractive('-r', '-f', 'raw', nbd_uri)
self.assertReadOk(qio.cmd('read 0 512'))
result = self.remove_export('exp', mode)
self.assertExistingClients(result)
self.assertReadOk(qio.cmd('read 0 512'))
qio.close()
result = self.remove_export('exp', mode)
self.assert_qmp(result, 'return', {})
self.assertExportNotFound('exp')
def test_remove_during_connect_default(self):
self.do_test_remove_during_connect_safe()
def test_remove_during_connect_safe(self):
self.do_test_remove_during_connect_safe('safe')
def test_remove_during_connect_hard(self):
qio = QemuIoInteractive('-r', '-f', 'raw', nbd_uri)
self.assertReadOk(qio.cmd('read 0 512'))
result = self.remove_export('exp', 'hard')
self.assert_qmp(result, 'return', {})
self.assertReadFailed(qio.cmd('read 0 512'))
self.assertExportNotFound('exp')
qio.close()
def test_remove_during_connect_safe_hard(self):
qio = QemuIoInteractive('-r', '-f', 'raw', nbd_uri)
self.assertReadOk(qio.cmd('read 0 512'))
result = self.remove_export('exp', 'safe')
self.assertExistingClients(result)
self.assertReadOk(qio.cmd('read 0 512'))
result = self.remove_export('exp', 'hard')
self.assert_qmp(result, 'return', {})
self.assertExportNotFound('exp')
self.assertReadFailed(qio.cmd('read 0 512'))
qio.close()
if __name__ == '__main__':
iotests.main()
|
