tests/qemu-iotests/212

   1 #!/usr/bin/env python
   2 #
   3 # Test parallels 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=['parallels'])
  27 iotests.verify_protocol(supported=['file'])
  28
  29 with iotests.FilePath('t.parallels') 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                          'cluster-size': 1048576 })
  75     vm.shutdown()
  76
  77     iotests.img_info_log(disk_path)
  78
  79     #
  80     # Successful image creation (with non-default options)
  81     #
  82     iotests.log("=== Successful image creation (with non-default options) ===")
  83     iotests.log("")
  84
  85     # Choose a different size to show that we got a new image
  86     size = 32 * 1024 * 1024
  87
  88     vm.launch()
  89     vm.blockdev_create({ 'driver': 'file',
  90                          'filename': disk_path,
  91                          'size': 0 })
  92     vm.blockdev_create({ 'driver': imgfmt,
  93                          'file': {
  94                              'driver': 'file',
  95                              'filename': disk_path,
  96                          },
  97                          'size': size,
  98                          'cluster-size': 65536 })
  99     vm.shutdown()
 100
 101     iotests.img_info_log(disk_path)
 102
 103     #
 104     # Invalid BlockdevRef
 105     #
 106     iotests.log("=== Invalid BlockdevRef ===")
 107     iotests.log("")
 108
 109     vm.launch()
 110     vm.blockdev_create({ 'driver': imgfmt,
 111                          'file': "this doesn't exist",
 112                          'size': size })
 113     vm.shutdown()
 114
 115     #
 116     # Zero size
 117     #
 118     iotests.log("=== Zero size ===")
 119     iotests.log("")
 120
 121     vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
 122     vm.launch()
 123     vm.blockdev_create({ 'driver': imgfmt,
 124                          'file': 'node0',
 125                          'size': 0 })
 126     vm.shutdown()
 127
 128     iotests.img_info_log(disk_path)
 129
 130     #
 131     # Maximum size
 132     #
 133     iotests.log("=== Maximum size ===")
 134     iotests.log("")
 135
 136     vm.launch()
 137     vm.blockdev_create({ 'driver': imgfmt,
 138                          'file': 'node0',
 139                          'size': 4503599627369984})
 140     vm.shutdown()
 141
 142     iotests.img_info_log(disk_path)
 143
 144     #
 145     # Invalid sizes
 146     #
 147
 148     # TODO Negative image sizes aren't handled correctly, but this is a problem
 149     # with QAPI's implementation of the 'size' type and affects other commands
 150     # as well. Once this is fixed, we may want to add a test case here.
 151
 152     # 1. Misaligned image size
 153     # 2. 2^64 - 512
 154     # 3. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
 155     # 4. 2^63 - 512 (generally valid, but with the image header the file will
 156     #                exceed 63 bits)
 157     # 5. 2^52 (512 bytes more than maximum image size)
 158
 159     iotests.log("=== Invalid sizes ===")
 160     iotests.log("")
 161
 162     vm.launch()
 163     for size in [ 1234, 18446744073709551104, 9223372036854775808,
 164                   9223372036854775296, 4503599627370497 ]:
 165         vm.blockdev_create({ 'driver': imgfmt,
 166                              'file': 'node0',
 167                              'size': size })
 168     vm.shutdown()
 169
 170     #
 171     # Invalid cluster size
 172     #
 173     iotests.log("=== Invalid cluster size ===")
 174     iotests.log("")
 175
 176     vm.launch()
 177     for csize in [ 1234, 128, 4294967296, 9223372036854775808,
 178                    18446744073709551104, 0 ]:
 179         vm.blockdev_create({ 'driver': imgfmt,
 180                              'file': 'node0',
 181                              'size': 67108864,
 182                              'cluster-size': csize })
 183     vm.blockdev_create({ 'driver': imgfmt,
 184                          'file': 'node0',
 185                          'size': 281474976710656,
 186                          'cluster-size': 512 })
 187     vm.shutdown()