#!/usr/bin/env python
#
# Test vmdk 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 math
import iotests
from iotests import imgfmt
iotests.verify_image_format(supported_fmts=['vmdk'])
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.vmdk') as disk_path, \
iotests.FilePath('t.vmdk.1') as extent1_path, \
iotests.FilePath('t.vmdk.2') as extent2_path, \
iotests.FilePath('t.vmdk.3') as extent3_path, \
iotests.VM() as vm:
#
# Successful image creation (defaults)
#
iotests.log("=== Successful image creation (defaults) ===")
iotests.log("")
size = 5 * 1024 * 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 (inline blockdev-add, explicit defaults)
#
iotests.log("=== Successful image creation (inline blockdev-add, 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,
'extents': [],
'subformat': 'monolithicSparse',
'adapter-type': 'ide',
'hwversion': '4',
'zeroed-grain': False })
vm.shutdown()
iotests.img_info_log(disk_path)
#
# Successful image creation (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,
'extents': [],
'subformat': 'monolithicSparse',
'adapter-type': 'buslogic',
'zeroed-grain': True })
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()
#
# Adapter types
#
iotests.log("=== Adapter types ===")
iotests.log("")
vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
# Valid
iotests.log("== Valid adapter types ==")
iotests.log("")
vm.launch()
for adapter_type in [ 'ide', 'buslogic', 'lsilogic', 'legacyESX' ]:
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': size,
'adapter-type': adapter_type })
vm.shutdown()
# Invalid
iotests.log("== Invalid adapter types ==")
iotests.log("")
vm.launch()
for adapter_type in [ 'foo', 'IDE', 'legacyesx', 1 ]:
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': size,
'adapter-type': adapter_type })
vm.shutdown()
#
# Other subformats
#
iotests.log("=== Other subformats ===")
iotests.log("")
for path in [ extent1_path, extent2_path, extent3_path ]:
msg = iotests.qemu_img_pipe('create', '-f', imgfmt, path, '0')
iotests.log(msg, [iotests.filter_testfiles])
vm.add_blockdev('driver=file,filename=%s,node-name=ext1' % (extent1_path))
vm.add_blockdev('driver=file,filename=%s,node-name=ext2' % (extent2_path))
vm.add_blockdev('driver=file,filename=%s,node-name=ext3' % (extent3_path))
# Missing extent
iotests.log("== Missing extent ==")
iotests.log("")
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': size,
'subformat': 'monolithicFlat' })
vm.shutdown()
# Correct extent
iotests.log("== Correct extent ==")
iotests.log("")
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': size,
'subformat': 'monolithicFlat',
'extents': ['ext1'] })
vm.shutdown()
# Extra extent
iotests.log("== Extra extent ==")
iotests.log("")
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': 512,
'subformat': 'monolithicFlat',
'extents': ['ext1', 'ext2', 'ext3'] })
vm.shutdown()
# Split formats
iotests.log("== Split formats ==")
iotests.log("")
for size in [ 512, 1073741824, 2147483648, 5368709120 ]:
for subfmt in [ 'twoGbMaxExtentFlat', 'twoGbMaxExtentSparse' ]:
iotests.log("= %s %d =" % (subfmt, size))
iotests.log("")
num_extents = math.ceil(size / 2.0**31)
extents = [ "ext%d" % (i) for i in range(1, num_extents + 1) ]
vm.launch()
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'size': size,
'subformat': subfmt,
'extents': extents })
vm.shutdown()
iotests.img_info_log(disk_path)
