qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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      1 #!/usr/bin/env python3
      2 # group: rw quick
      3 #
      4 # Test vhdx and file image creation
      5 #
      6 # Copyright (C) 2018 Red Hat, Inc.
      7 #
      8 # Creator/Owner: Kevin Wolf <kwolf@redhat.com>
      9 #
     10 # This program is free software; you can redistribute it and/or modify
     11 # it under the terms of the GNU General Public License as published by
     12 # the Free Software Foundation; either version 2 of the License, or
     13 # (at your option) any later version.
     14 #
     15 # This program is distributed in the hope that it will be useful,
     16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     18 # GNU General Public License for more details.
     19 #
     20 # You should have received a copy of the GNU General Public License
     21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     22 #
     23 
     24 import iotests
     25 from iotests import imgfmt
     26 
     27 iotests.script_initialize(
     28     supported_fmts=['vhdx'],
     29     supported_protocols=['file'],
     30 )
     31 
     32 with iotests.FilePath('t.vhdx') as disk_path, \
     33      iotests.VM() as vm:
     34 
     35     #
     36     # Successful image creation (defaults)
     37     #
     38     iotests.log("=== Successful image creation (defaults) ===")
     39     iotests.log("")
     40 
     41     size = 128 * 1024 * 1024
     42 
     43     vm.launch()
     44     vm.blockdev_create({ 'driver': 'file',
     45                          'filename': disk_path,
     46                          'size': 0 })
     47 
     48     vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
     49                node_name='imgfile', filters=[iotests.filter_qmp_testfiles])
     50 
     51     vm.blockdev_create({ 'driver': imgfmt,
     52                          'file': 'imgfile',
     53                          'size': size })
     54     vm.shutdown()
     55 
     56     iotests.img_info_log(disk_path)
     57 
     58     #
     59     # Successful image creation (explicit defaults)
     60     #
     61     iotests.log("=== Successful image creation (explicit defaults) ===")
     62     iotests.log("")
     63 
     64     # Choose a different size to show that we got a new image
     65     size = 64 * 1024 * 1024
     66 
     67     vm.launch()
     68     vm.blockdev_create({ 'driver': 'file',
     69                          'filename': disk_path,
     70                          'size': 0 })
     71     vm.blockdev_create({ 'driver': imgfmt,
     72                          'file': {
     73                              'driver': 'file',
     74                              'filename': disk_path,
     75                          },
     76                          'size': size,
     77                          'log-size': 1048576,
     78                          'block-size': 8388608,
     79                          'subformat': 'dynamic',
     80                          'block-state-zero': True })
     81     vm.shutdown()
     82 
     83     iotests.img_info_log(disk_path)
     84 
     85     #
     86     # Successful image creation (with non-default options)
     87     #
     88     iotests.log("=== Successful image creation (with non-default options) ===")
     89     iotests.log("")
     90 
     91     # Choose a different size to show that we got a new image
     92     size = 32 * 1024 * 1024
     93 
     94     vm.launch()
     95     vm.blockdev_create({ 'driver': 'file',
     96                          'filename': disk_path,
     97                          'size': 0 })
     98     vm.blockdev_create({ 'driver': imgfmt,
     99                          'file': {
    100                              'driver': 'file',
    101                              'filename': disk_path,
    102                          },
    103                          'size': size,
    104                          'log-size': 8388608,
    105                          'block-size': 268435456,
    106                          'subformat': 'fixed',
    107                          'block-state-zero': False })
    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     vm.blockdev_create({ '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     vm.blockdev_create({ '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     vm.blockdev_create({ 'driver': imgfmt,
    147                          'file': 'node0',
    148                          'size': 70368744177664 })
    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. 2^64 - 512
    162     # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
    163     # 3. 2^63 - 512 (generally valid, but with the image header the file will
    164     #                exceed 63 bits)
    165     # 4. 2^46 + 1 (one byte more than maximum image size)
    166 
    167     iotests.log("=== Invalid sizes ===")
    168     iotests.log("")
    169 
    170     vm.launch()
    171     for size in [ 18446744073709551104, 9223372036854775808,
    172                   9223372036854775296, 70368744177665 ]:
    173         vm.blockdev_create({ 'driver': imgfmt,
    174                              'file': 'node0',
    175                              'size': size })
    176     vm.shutdown()
    177 
    178     #
    179     # Invalid block size
    180     #
    181     iotests.log("=== Invalid block size ===")
    182     iotests.log("")
    183 
    184     vm.launch()
    185     for bsize in [ 1234567, 128, 3145728, 536870912, 0 ]:
    186         vm.blockdev_create({ 'driver': imgfmt,
    187                              'file': 'node0',
    188                              'size': 67108864,
    189                              'block-size': bsize })
    190     vm.shutdown()
    191 
    192     #
    193     # Invalid log size
    194     #
    195     iotests.log("=== Invalid log size ===")
    196     iotests.log("")
    197 
    198     vm.launch()
    199     for lsize in [ 1234567, 128, 4294967296, 0 ]:
    200         vm.blockdev_create({ 'driver': imgfmt,
    201                              'file': 'node0',
    202                              'size': 67108864,
    203                              'log-size': lsize })
    204     vm.shutdown()