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