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
|
#!/usr/bin/env python
#
# Test VDI and file image creation
#
# Copyright (C) 2018 Red Hat, Inc.
#
# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
#
# 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 iotests
from iotests import imgfmt
iotests.verify_image_format(supported_fmts=['vdi'])
iotests.verify_protocol(supported=['file'])
def blockdev_create(vm, options):
result = vm.qmp_log('blockdev-create', job_id='job0', options=options)
if 'return' in result:
assert result['return'] == {}
vm.run_job('job0')
iotests.log("")
with iotests.FilePath('t.vdi') as disk_path, \
iotests.VM() as vm:
#
# Successful image creation (defaults)
#
iotests.log("=== Successful image creation (defaults) ===")
iotests.log("")
size = 128 * 1024 * 1024
vm.launch()
blockdev_create(vm, { 'driver': 'file',
'filename': disk_path,
'size': 0 })
vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
node_name='imgfile')
blockdev_create(vm, { 'driver': imgfmt,
'file': 'imgfile',
'size': size })
vm.shutdown()
iotests.img_info_log(disk_path)
iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path))
#
# Successful image creation (explicit defaults)
#
iotests.log("=== Successful image creation (explicit defaults) ===")
iotests.log("")
size = 64 * 1024 * 1024
vm.launch()
blockdev_create(vm, { 'driver': 'file',
'filename': disk_path,
'size': 0 })
blockdev_create(vm, { 'driver': imgfmt,
'file': {
'driver': 'file',
'filename': disk_path,
},
'size': size,
'preallocation': 'off' })
vm.shutdown()
iotests.img_info_log(disk_path)
iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path))
#
# Successful image creation (with non-default options)
#
iotests.log("=== Successful image creation (with non-default options) ===")
iotests.log("")
size = 32 * 1024 * 1024
vm.launch()
blockdev_create(vm, { 'driver': 'file',
'filename': disk_path,
'size': 0 })
blockdev_create(vm, { 'driver': imgfmt,
'file': {
'driver': 'file',
'filename': disk_path,
},
'size': size,
'preallocation': 'metadata' })
vm.shutdown()
iotests.img_info_log(disk_path)
iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path))
#
# Invalid BlockdevRef
#
iotests.log("=== Invalid BlockdevRef ===")
iotests.log("")
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': "this doesn't exist",
'size': size })
vm.shutdown()
#
# Zero size
#
iotests.log("=== Zero size ===")
iotests.log("")
vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': 0 })
vm.shutdown()
iotests.img_info_log(disk_path)
#
# Maximum size
#
iotests.log("=== Maximum size ===")
iotests.log("")
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': 562949819203584 })
vm.shutdown()
iotests.img_info_log(disk_path)
#
# Invalid sizes
#
# TODO Negative image sizes aren't handled correctly, but this is a problem
# with QAPI's implementation of the 'size' type and affects other commands
# as well. Once this is fixed, we may want to add a test case here.
# 1. 2^64 - 512
# 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
# 3. 0x1fffff8000001 (one byte more than maximum image size for VDI)
iotests.log("=== Invalid sizes ===")
iotests.log("")
vm.launch()
for size in [ 18446744073709551104, 9223372036854775808, 562949819203585 ]:
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': size })
vm.shutdown()
|
