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 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.parallels') 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                           'cluster-size': 1048576 })
  83     vm.shutdown()
  84
  85     iotests.img_info_log(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     # Choose a different size to show that we got a new image
  94     size = 32 * 1024 * 1024
  95
  96     vm.launch()
  97     blockdev_create(vm, { 'driver': 'file',
  98                           'filename': disk_path,
  99                           'size': 0 })
 100     blockdev_create(vm, { 'driver': imgfmt,
 101                           'file': {
 102                               'driver': 'file',
 103                               'filename': disk_path,
 104                           },
 105                           'size': size,
 106                           'cluster-size': 65536 })
 107     vm.shutdown()
 108
 109     iotests.img_info_log(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': 4503599627369984})
 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. Misaligned image size
 161     # 2. 2^64 - 512
 162     # 3. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
 163     # 4. 2^63 - 512 (generally valid, but with the image header the file will
 164     #                exceed 63 bits)
 165     # 5. 2^52 (512 bytes more than maximum image size)
 166
 167     iotests.log("=== Invalid sizes ===")
 168     iotests.log("")
 169
 170     vm.launch()
 171     for size in [ 1234, 18446744073709551104, 9223372036854775808,
 172                   9223372036854775296, 4503599627370497 ]:
 173         blockdev_create(vm, { 'driver': imgfmt,
 174                               'file': 'node0',
 175                               'size': size })
 176     vm.shutdown()
 177
 178     #
 179     # Invalid cluster size
 180     #
 181     iotests.log("=== Invalid cluster size ===")
 182     iotests.log("")
 183
 184     vm.launch()
 185     for csize in [ 1234, 128, 4294967296, 9223372036854775808,
 186                    18446744073709551104, 0 ]:
 187         blockdev_create(vm, { 'driver': imgfmt,
 188                               'file': 'node0',
 189                               'size': 67108864,
 190                               'cluster-size': csize })
 191     blockdev_create(vm, { 'driver': imgfmt,
 192                           'file': 'node0',
 193                           'size': 281474976710656,
 194                           'cluster-size': 512 })
 195     vm.shutdown()