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 def blockdev_create(vm, options):
  30     result = vm.qmp_log('blockdev-create', job_id='job0', options=options)
  31
  32     if 'return' in result:
  33         assert result['return'] == {}
  34         vm.run_job('job0')
  35     iotests.log("")
  36
  37 with iotests.FilePath('t.vhdx') as disk_path, \
  38      iotests.VM() as vm:
  39
  40     #
  41     # Successful image creation (defaults)
  42     #
  43     iotests.log("=== Successful image creation (defaults) ===")
  44     iotests.log("")
  45
  46     size = 128 * 1024 * 1024
  47
  48     vm.launch()
  49     blockdev_create(vm, { 'driver': 'file',
  50                           'filename': disk_path,
  51                           'size': 0 })
  52
  53     vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
  54                node_name='imgfile')
  55
  56     blockdev_create(vm, { 'driver': imgfmt,
  57                           'file': 'imgfile',
  58                           'size': size })
  59     vm.shutdown()
  60
  61     iotests.img_info_log(disk_path)
  62
  63     #
  64     # Successful image creation (explicit defaults)
  65     #
  66     iotests.log("=== Successful image creation (explicit defaults) ===")
  67     iotests.log("")
  68
  69     # Choose a different size to show that we got a new image
  70     size = 64 * 1024 * 1024
  71
  72     vm.launch()
  73     blockdev_create(vm, { 'driver': 'file',
  74                           'filename': disk_path,
  75                           'size': 0 })
  76     blockdev_create(vm, { 'driver': imgfmt,
  77                           'file': {
  78                               'driver': 'file',
  79                               'filename': disk_path,
  80                           },
  81                           'size': size,
  82                           'log-size': 1048576,
  83                           'block-size': 8388608,
  84                           'subformat': 'dynamic',
  85                           'block-state-zero': True })
  86     vm.shutdown()
  87
  88     iotests.img_info_log(disk_path)
  89
  90     #
  91     # Successful image creation (with non-default options)
  92     #
  93     iotests.log("=== Successful image creation (with non-default options) ===")
  94     iotests.log("")
  95
  96     # Choose a different size to show that we got a new image
  97     size = 32 * 1024 * 1024
  98
  99     vm.launch()
 100     blockdev_create(vm, { 'driver': 'file',
 101                           'filename': disk_path,
 102                           'size': 0 })
 103     blockdev_create(vm, { 'driver': imgfmt,
 104                           'file': {
 105                               'driver': 'file',
 106                               'filename': disk_path,
 107                           },
 108                           'size': size,
 109                           'log-size': 8388608,
 110                           'block-size': 268435456,
 111                           'subformat': 'fixed',
 112                           'block-state-zero': False })
 113     vm.shutdown()
 114
 115     iotests.img_info_log(disk_path)
 116
 117     #
 118     # Invalid BlockdevRef
 119     #
 120     iotests.log("=== Invalid BlockdevRef ===")
 121     iotests.log("")
 122
 123     vm.launch()
 124     blockdev_create(vm, { 'driver': imgfmt,
 125                           'file': "this doesn't exist",
 126                           'size': size })
 127     vm.shutdown()
 128
 129     #
 130     # Zero size
 131     #
 132     iotests.log("=== Zero size ===")
 133     iotests.log("")
 134
 135     vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
 136     vm.launch()
 137     blockdev_create(vm, { 'driver': imgfmt,
 138                           'file': 'node0',
 139                           'size': 0 })
 140     vm.shutdown()
 141
 142     iotests.img_info_log(disk_path)
 143
 144     #
 145     # Maximum size
 146     #
 147     iotests.log("=== Maximum size ===")
 148     iotests.log("")
 149
 150     vm.launch()
 151     blockdev_create(vm, { 'driver': imgfmt,
 152                           'file': 'node0',
 153                           'size': 70368744177664 })
 154     vm.shutdown()
 155
 156     iotests.img_info_log(disk_path)
 157
 158     #
 159     # Invalid sizes
 160     #
 161
 162     # TODO Negative image sizes aren't handled correctly, but this is a problem
 163     # with QAPI's implementation of the 'size' type and affects other commands
 164     # as well. Once this is fixed, we may want to add a test case here.
 165
 166     # 1. 2^64 - 512
 167     # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
 168     # 3. 2^63 - 512 (generally valid, but with the image header the file will
 169     #                exceed 63 bits)
 170     # 4. 2^46 + 1 (one byte more than maximum image size)
 171
 172     iotests.log("=== Invalid sizes ===")
 173     iotests.log("")
 174
 175     vm.launch()
 176     for size in [ 18446744073709551104, 9223372036854775808,
 177                   9223372036854775296, 70368744177665 ]:
 178         blockdev_create(vm, { 'driver': imgfmt,
 179                               'file': 'node0',
 180                               'size': size })
 181     vm.shutdown()
 182
 183     #
 184     # Invalid block size
 185     #
 186     iotests.log("=== Invalid block size ===")
 187     iotests.log("")
 188
 189     vm.launch()
 190     for bsize in [ 1234567, 128, 3145728, 536870912, 0 ]:
 191         blockdev_create(vm, { 'driver': imgfmt,
 192                               'file': 'node0',
 193                               'size': 67108864,
 194                               'block-size': bsize })
 195     vm.shutdown()
 196
 197     #
 198     # Invalid log size
 199     #
 200     iotests.log("=== Invalid log size ===")
 201     iotests.log("")
 202
 203     vm.launch()
 204     for lsize in [ 1234567, 128, 4294967296, 0 ]:
 205         blockdev_create(vm, { 'driver': imgfmt,
 206                               'file': 'node0',
 207                               'size': 67108864,
 208                               'log-size': lsize })
 209     vm.shutdown()