#!/usr/bin/env python
#
# Test vhdx and file image creation
#
# Copyright (C) 2018 Red Hat, Inc.
#
# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import iotests
from iotests import imgfmt
iotests.verify_image_format(supported_fmts=['vhdx'])
iotests.verify_protocol(supported=['file'])
def blockdev_create(vm, options):
result = vm.qmp_log('blockdev-create', job_id='job0', options=options)
if 'return' in result:
assert result['return'] == {}
vm.run_job('job0')
iotests.log("")
with iotests.FilePath('t.vhdx') as disk_path, \
iotests.VM() as vm:
#
# Successful image creation (defaults)
#
iotests.log("=== Successful image creation (defaults) ===")
iotests.log("")
size = 128 * 1024 * 1024
vm.launch()
blockdev_create(vm, { 'driver': 'file',
'filename': disk_path,
'size': 0 })
vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
node_name='imgfile')
blockdev_create(vm, { 'driver': imgfmt,
'file': 'imgfile',
'size': size })
vm.shutdown()
iotests.img_info_log(disk_path)
#
# Successful image creation (explicit defaults)
#
iotests.log("=== Successful image creation (explicit defaults) ===")
iotests.log("")
# Choose a different size to show that we got a new image
size = 64 * 1024 * 1024
vm.launch()
blockdev_create(vm, { 'driver': 'file',
'filename': disk_path,
'size': 0 })
blockdev_create(vm, { 'driver': imgfmt,
'file': {
'driver': 'file',
'filename': disk_path,
},
'size': size,
'log-size': 1048576,
'block-size': 8388608,
'subformat': 'dynamic',
'block-state-zero': True })
vm.shutdown()
iotests.img_info_log(disk_path)
#
# Successful image creation (with non-default options)
#
iotests.log("=== Successful image creation (with non-default options) ===")
iotests.log("")
# Choose a different size to show that we got a new image
size = 32 * 1024 * 1024
vm.launch()
blockdev_create(vm, { 'driver': 'file',
'filename': disk_path,
'size': 0 })
blockdev_create(vm, { 'driver': imgfmt,
'file': {
'driver': 'file',
'filename': disk_path,
},
'size': size,
'log-size': 8388608,
'block-size': 268435456,
'subformat': 'fixed',
'block-state-zero': False })
vm.shutdown()
iotests.img_info_log(disk_path)
#
# Invalid BlockdevRef
#
iotests.log("=== Invalid BlockdevRef ===")
iotests.log("")
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': "this doesn't exist",
'size': size })
vm.shutdown()
#
# Zero size
#
iotests.log("=== Zero size ===")
iotests.log("")
vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': 0 })
vm.shutdown()
iotests.img_info_log(disk_path)
#
# Maximum size
#
iotests.log("=== Maximum size ===")
iotests.log("")
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': 70368744177664 })
vm.shutdown()
iotests.img_info_log(disk_path)
#
# Invalid sizes
#
# TODO Negative image sizes aren't handled correctly, but this is a problem
# with QAPI's implementation of the 'size' type and affects other commands
# as well. Once this is fixed, we may want to add a test case here.
# 1. 2^64 - 512
# 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
# 3. 2^63 - 512 (generally valid, but with the image header the file will
# exceed 63 bits)
# 4. 2^46 + 1 (one byte more than maximum image size)
iotests.log("=== Invalid sizes ===")
iotests.log("")
vm.launch()
for size in [ 18446744073709551104, 9223372036854775808,
9223372036854775296, 70368744177665 ]:
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': size })
vm.shutdown()
#
# Invalid block size
#
iotests.log("=== Invalid block size ===")
iotests.log("")
vm.launch()
for bsize in [ 1234567, 128, 3145728, 536870912, 0 ]:
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': 67108864,
'block-size': bsize })
vm.shutdown()
#
# Invalid log size
#
iotests.log("=== Invalid log size ===")
iotests.log("")
vm.launch()
for lsize in [ 1234567, 128, 4294967296, 0 ]:
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': 67108864,
'log-size': lsize })
vm.shutdown()
