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#!/usr/bin/env python
#
# Test luks 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=['luks'])
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.luks') as disk_path, \
iotests.VM() as vm:
vm.add_object('secret,id=keysec0,data=foo')
#
# 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',
'key-secret': 'keysec0',
'size': size,
'iter-time': 10 })
vm.shutdown()
# TODO Proper support for images to be used with imgopts and/or protocols
iotests.img_info_log(
'driver=luks,file.driver=file,file.filename=%s,key-secret=keysec0' % (disk_path),
filter_path=disk_path,
extra_args=['--object', 'secret,id=keysec0,data=foo'],
imgopts=True)
#
# Successful image creation (with non-default options)
#
iotests.log("=== Successful image creation (with non-default options) ===")
iotests.log("")
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,
'key-secret': 'keysec0',
'cipher-alg': 'twofish-128',
'cipher-mode': 'ctr',
'ivgen-alg': 'plain64',
'ivgen-hash-alg': 'md5',
'hash-alg': 'sha1',
'iter-time': 10 })
vm.shutdown()
# TODO Proper support for images to be used with imgopts and/or protocols
iotests.img_info_log(
'driver=luks,file.driver=file,file.filename=%s,key-secret=keysec0' % (disk_path),
filter_path=disk_path,
extra_args=['--object', 'secret,id=keysec0,data=foo'],
imgopts=True)
#
# Invalid BlockdevRef
#
iotests.log("=== Invalid BlockdevRef ===")
iotests.log("")
size = 64 * 1024 * 1024
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',
'key-secret': 'keysec0',
'size': 0,
'iter-time': 10 })
vm.shutdown()
# TODO Proper support for images to be used with imgopts and/or protocols
iotests.img_info_log(
'driver=luks,file.driver=file,file.filename=%s,key-secret=keysec0' % (disk_path),
filter_path=disk_path,
extra_args=['--object', 'secret,id=keysec0,data=foo'],
imgopts=True)
#
# 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 crypto header the file will
# exceed 63 bits)
iotests.log("=== Invalid sizes ===")
iotests.log("")
vm.launch()
for size in [ 18446744073709551104, 9223372036854775808, 9223372036854775296 ]:
blockdev_create(vm, { 'driver': imgfmt,
'file': 'node0',
'key-secret': 'keysec0',
'size': size })
vm.shutdown()
#
# Resize image with invalid sizes
#
iotests.log("=== Resize image with invalid sizes ===")
iotests.log("")
vm.add_blockdev('driver=luks,file=node0,key-secret=keysec0,node-name=node1')
vm.launch()
vm.qmp_log('block_resize', node_name='node1', size=9223372036854775296)
vm.qmp_log('block_resize', node_name='node1', size=9223372036854775808)
vm.qmp_log('block_resize', node_name='node1', size=18446744073709551104)
vm.qmp_log('block_resize', node_name='node1', size=-9223372036854775808)
vm.shutdown()
# TODO Proper support for images to be used with imgopts and/or protocols
iotests.img_info_log(
'driver=luks,file.driver=file,file.filename=%s,key-secret=keysec0' % (disk_path),
filter_path=disk_path,
extra_args=['--object', 'secret,id=keysec0,data=foo'],
imgopts=True)
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