tests/qemu-iotests/213

   1 #!/usr/bin/env python
   2 #
   3 # Test vhdx 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
  23 import iotests
  24 from iotests import imgfmt
  25
  26 iotests.verify_image_format(supported_fmts=['vhdx'])
  27 iotests.verify_protocol(supported=['file'])
  28
  29 with iotests.FilePath('t.vhdx') as disk_path, \
  30      iotests.VM() as vm:
  31
  32     #
  33     # Successful image creation (defaults)
  34     #
  35     iotests.log("=== Successful image creation (defaults) ===")
  36     iotests.log("")
  37
  38     size = 128 * 1024 * 1024
  39
  40     vm.launch()
  41     vm.blockdev_create({ 'driver': 'file',
  42                          'filename': disk_path,
  43                          'size': 0 })
  44
  45     vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
  46                node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
  47
  48     vm.blockdev_create({ 'driver': imgfmt,
  49                          'file': 'imgfile',
  50                          'size': size })
  51     vm.shutdown()
  52
  53     iotests.img_info_log(disk_path)
  54
  55     #
  56     # Successful image creation (explicit defaults)
  57     #
  58     iotests.log("=== Successful image creation (explicit defaults) ===")
  59     iotests.log("")
  60
  61     # Choose a different size to show that we got a new image
  62     size = 64 * 1024 * 1024
  63
  64     vm.launch()
  65     vm.blockdev_create({ 'driver': 'file',
  66                          'filename': disk_path,
  67                          'size': 0 })
  68     vm.blockdev_create({ 'driver': imgfmt,
  69                          'file': {
  70                              'driver': 'file',
  71                              'filename': disk_path,
  72                          },
  73                          'size': size,
  74                          'log-size': 1048576,
  75                          'block-size': 8388608,
  76                          'subformat': 'dynamic',
  77                          'block-state-zero': True })
  78     vm.shutdown()
  79
  80     iotests.img_info_log(disk_path)
  81
  82     #
  83     # Successful image creation (with non-default options)
  84     #
  85     iotests.log("=== Successful image creation (with non-default options) ===")
  86     iotests.log("")
  87
  88     # Choose a different size to show that we got a new image
  89     size = 32 * 1024 * 1024
  90
  91     vm.launch()
  92     vm.blockdev_create({ 'driver': 'file',
  93                          'filename': disk_path,
  94                          'size': 0 })
  95     vm.blockdev_create({ 'driver': imgfmt,
  96                          'file': {
  97                              'driver': 'file',
  98                              'filename': disk_path,
  99                          },
 100                          'size': size,
 101                          'log-size': 8388608,
 102                          'block-size': 268435456,
 103                          'subformat': 'fixed',
 104                          'block-state-zero': False })
 105     vm.shutdown()
 106
 107     iotests.img_info_log(disk_path)
 108
 109     #
 110     # Invalid BlockdevRef
 111     #
 112     iotests.log("=== Invalid BlockdevRef ===")
 113     iotests.log("")
 114
 115     vm.launch()
 116     vm.blockdev_create({ 'driver': imgfmt,
 117                          'file': "this doesn't exist",
 118                          'size': size })
 119     vm.shutdown()
 120
 121     #
 122     # Zero size
 123     #
 124     iotests.log("=== Zero size ===")
 125     iotests.log("")
 126
 127     vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
 128     vm.launch()
 129     vm.blockdev_create({ 'driver': imgfmt,
 130                          'file': 'node0',
 131                          'size': 0 })
 132     vm.shutdown()
 133
 134     iotests.img_info_log(disk_path)
 135
 136     #
 137     # Maximum size
 138     #
 139     iotests.log("=== Maximum size ===")
 140     iotests.log("")
 141
 142     vm.launch()
 143     vm.blockdev_create({ 'driver': imgfmt,
 144                          'file': 'node0',
 145                          'size': 70368744177664 })
 146     vm.shutdown()
 147
 148     iotests.img_info_log(disk_path)
 149
 150     #
 151     # Invalid sizes
 152     #
 153
 154     # TODO Negative image sizes aren't handled correctly, but this is a problem
 155     # with QAPI's implementation of the 'size' type and affects other commands
 156     # as well. Once this is fixed, we may want to add a test case here.
 157
 158     # 1. 2^64 - 512
 159     # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
 160     # 3. 2^63 - 512 (generally valid, but with the image header the file will
 161     #                exceed 63 bits)
 162     # 4. 2^46 + 1 (one byte more than maximum image size)
 163
 164     iotests.log("=== Invalid sizes ===")
 165     iotests.log("")
 166
 167     vm.launch()
 168     for size in [ 18446744073709551104, 9223372036854775808,
 169                   9223372036854775296, 70368744177665 ]:
 170         vm.blockdev_create({ 'driver': imgfmt,
 171                              'file': 'node0',
 172                              'size': size })
 173     vm.shutdown()
 174
 175     #
 176     # Invalid block size
 177     #
 178     iotests.log("=== Invalid block size ===")
 179     iotests.log("")
 180
 181     vm.launch()
 182     for bsize in [ 1234567, 128, 3145728, 536870912, 0 ]:
 183         vm.blockdev_create({ 'driver': imgfmt,
 184                              'file': 'node0',
 185                              'size': 67108864,
 186                              'block-size': bsize })
 187     vm.shutdown()
 188
 189     #
 190     # Invalid log size
 191     #
 192     iotests.log("=== Invalid log size ===")
 193     iotests.log("")
 194
 195     vm.launch()
 196     for lsize in [ 1234567, 128, 4294967296, 0 ]:
 197         vm.blockdev_create({ 'driver': imgfmt,
 198                              'file': 'node0',
 199                              'size': 67108864,
 200                              'log-size': lsize })
 201     vm.shutdown()