xref: /qemu/tests/qemu-iotests/211 (revision a81df1b6) 
1#!/usr/bin/env python3
2#
3# Test VDI and file image creation
4#
5# Copyright (C) 2018 Red Hat, Inc.
6#
7# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
8#
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program.  If not, see <http://www.gnu.org/licenses/>.
21#
22
23import iotests
24from iotests import imgfmt
25
26iotests.script_initialize(
27    supported_fmts=['vdi'],
28    supported_protocols=['file'],
29)
30
31def blockdev_create(vm, options):
32    error = vm.blockdev_create(options)
33    if error and 'Could not allocate bmap' in error:
34        iotests.notrun('Insufficient memory')
35
36with iotests.FilePath('t.vdi') as disk_path, \
37     iotests.VM() as vm:
38
39    #
40    # Successful image creation (defaults)
41    #
42    iotests.log("=== Successful image creation (defaults) ===")
43    iotests.log("")
44
45    size = 128 * 1024 * 1024
46
47    vm.launch()
48    blockdev_create(vm, { 'driver': 'file',
49                          'filename': disk_path,
50                          'size': 0 })
51
52    vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
53               node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
54
55    blockdev_create(vm, { 'driver': imgfmt,
56                          'file': 'imgfile',
57                          'size': size })
58    vm.shutdown()
59
60    iotests.img_info_log(disk_path)
61    iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path))
62
63    #
64    # Successful image creation (explicit defaults)
65    #
66    iotests.log("=== Successful image creation (explicit defaults) ===")
67    iotests.log("")
68
69    size = 64 * 1024 * 1024
70
71    vm.launch()
72    blockdev_create(vm, { 'driver': 'file',
73                          'filename': disk_path,
74                          'size': 0 })
75    blockdev_create(vm, { 'driver': imgfmt,
76                          'file': {
77                              'driver': 'file',
78                              'filename': disk_path,
79                          },
80                          'size': size,
81                          'preallocation': 'off' })
82    vm.shutdown()
83
84    iotests.img_info_log(disk_path)
85    iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path))
86
87    #
88    # Successful image creation (with non-default options)
89    #
90    iotests.log("=== Successful image creation (with non-default options) ===")
91    iotests.log("")
92
93    size = 32 * 1024 * 1024
94
95    vm.launch()
96    blockdev_create(vm, { 'driver': 'file',
97                          'filename': disk_path,
98                          'size': 0 })
99    blockdev_create(vm, { 'driver': imgfmt,
100                          'file': {
101                              'driver': 'file',
102                              'filename': disk_path,
103                          },
104                          'size': size,
105                          'preallocation': 'metadata' })
106    vm.shutdown()
107
108    iotests.img_info_log(disk_path)
109    iotests.log(iotests.qemu_img_pipe('map', '--output=json', disk_path))
110
111    #
112    # Invalid BlockdevRef
113    #
114    iotests.log("=== Invalid BlockdevRef ===")
115    iotests.log("")
116
117    vm.launch()
118    blockdev_create(vm, { 'driver': imgfmt,
119                          'file': "this doesn't exist",
120                          'size': size })
121    vm.shutdown()
122
123    #
124    # Zero size
125    #
126    iotests.log("=== Zero size ===")
127    iotests.log("")
128
129    vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
130    vm.launch()
131    blockdev_create(vm, { 'driver': imgfmt,
132                          'file': 'node0',
133                          'size': 0 })
134    vm.shutdown()
135
136    iotests.img_info_log(disk_path)
137
138    #
139    # Maximum size
140    #
141    iotests.log("=== Maximum size ===")
142    iotests.log("")
143
144    vm.launch()
145    blockdev_create(vm, { 'driver': imgfmt,
146                          'file': 'node0',
147                          'size': 562949819203584 })
148    vm.shutdown()
149
150    iotests.img_info_log(disk_path)
151
152    #
153    # Invalid sizes
154    #
155
156    # TODO Negative image sizes aren't handled correctly, but this is a problem
157    # with QAPI's implementation of the 'size' type and affects other commands
158    # as well. Once this is fixed, we may want to add a test case here.
159
160    # 1. 2^64 - 512
161    # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
162    # 3. 0x1fffff8000001 (one byte more than maximum image size for VDI)
163
164    iotests.log("=== Invalid sizes ===")
165    iotests.log("")
166
167    vm.launch()
168    for size in [ 18446744073709551104, 9223372036854775808, 562949819203585 ]:
169        blockdev_create(vm, { 'driver': imgfmt,
170                              'file': 'node0',
171                              'size': size })
172    vm.shutdown()
173