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