f6da17366a
Instead of having a separate blockdev_create() function, make use of the VM.blockdev_create() offered by iotests.py. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
277 lines
8.7 KiB
Python
Executable File
277 lines
8.7 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Test qcow2 and file image creation
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#
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# Copyright (C) 2018 Red Hat, Inc.
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#
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# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import iotests
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from iotests import imgfmt
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iotests.verify_image_format(supported_fmts=['qcow2'])
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with iotests.FilePath('t.qcow2') as disk_path, \
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iotests.FilePath('t.qcow2.base') as backing_path, \
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iotests.VM() as vm:
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vm.add_object('secret,id=keysec0,data=foo')
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#
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# Successful image creation (defaults)
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#
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iotests.log("=== Successful image creation (defaults) ===")
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iotests.log("")
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size = 128 * 1024 * 1024
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vm.launch()
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vm.blockdev_create({ 'driver': 'file',
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'filename': disk_path,
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'size': 0 })
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vm.qmp_log('blockdev-add',
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filters=[iotests.filter_qmp_testfiles],
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driver='file', filename=disk_path,
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node_name='imgfile')
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'imgfile',
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'size': size })
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vm.shutdown()
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iotests.img_info_log(disk_path)
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#
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# Successful image creation (inline blockdev-add, explicit defaults)
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#
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iotests.log("=== Successful image creation (inline blockdev-add, explicit defaults) ===")
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iotests.log("")
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# Choose a different size to show that we got a new image
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size = 64 * 1024 * 1024
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vm.launch()
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vm.blockdev_create({ 'driver': 'file',
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'filename': disk_path,
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'size': 0,
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'preallocation': 'off',
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'nocow': False })
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vm.blockdev_create({ 'driver': imgfmt,
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'file': {
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'driver': 'file',
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'filename': disk_path,
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},
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'size': size,
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'version': 'v3',
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'cluster-size': 65536,
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'preallocation': 'off',
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'lazy-refcounts': False,
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'refcount-bits': 16 })
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vm.shutdown()
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iotests.img_info_log(disk_path)
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#
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# Successful image creation (v3 non-default options)
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#
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iotests.log("=== Successful image creation (v3 non-default options) ===")
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iotests.log("")
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# Choose a different size to show that we got a new image
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size = 32 * 1024 * 1024
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vm.launch()
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vm.blockdev_create({ 'driver': 'file',
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'filename': disk_path,
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'size': 0,
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'preallocation': 'falloc',
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'nocow': True })
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vm.blockdev_create({ 'driver': imgfmt,
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'file': {
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'driver': 'file',
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'filename': disk_path,
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},
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'size': size,
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'version': 'v3',
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'cluster-size': 2097152,
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'preallocation': 'metadata',
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'lazy-refcounts': True,
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'refcount-bits': 1 })
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vm.shutdown()
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iotests.img_info_log(disk_path)
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#
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# Successful image creation (v2 non-default options)
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#
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iotests.log("=== Successful image creation (v2 non-default options) ===")
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iotests.log("")
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vm.launch()
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vm.blockdev_create({ 'driver': 'file',
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'filename': disk_path,
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'size': 0 })
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vm.blockdev_create({ 'driver': imgfmt,
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'file': {
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'driver': 'file',
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'filename': disk_path,
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},
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'size': size,
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'backing-file': backing_path,
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'backing-fmt': 'qcow2',
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'version': 'v2',
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'cluster-size': 512 })
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vm.shutdown()
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iotests.img_info_log(disk_path)
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#
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# Successful image creation (encrypted)
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#
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iotests.log("=== Successful image creation (encrypted) ===")
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iotests.log("")
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vm.launch()
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vm.blockdev_create({ 'driver': imgfmt,
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'file': {
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'driver': 'file',
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'filename': disk_path,
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},
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'size': size,
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'encrypt': {
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'format': 'luks',
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'key-secret': 'keysec0',
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'cipher-alg': 'twofish-128',
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'cipher-mode': 'ctr',
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'ivgen-alg': 'plain64',
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'ivgen-hash-alg': 'md5',
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'hash-alg': 'sha1',
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'iter-time': 10,
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}})
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vm.shutdown()
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iotests.img_info_log(disk_path)
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#
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# Invalid BlockdevRef
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#
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iotests.log("=== Invalid BlockdevRef ===")
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iotests.log("")
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vm.launch()
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vm.blockdev_create({ 'driver': imgfmt,
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'file': "this doesn't exist",
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'size': size })
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vm.shutdown()
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#
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# Invalid sizes
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#
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iotests.log("=== Invalid sizes ===")
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# TODO Negative image sizes aren't handled correctly, but this is a problem
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# with QAPI's implementation of the 'size' type and affects other commands
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# as well. Once this is fixed, we may want to add a test case here.
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#
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# 1. Misaligned image size
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# 2. 2^64 - 512
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# 3. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
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# 4. 2^63 - 512 (generally valid, but qcow2 can't handle images this size)
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vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
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vm.launch()
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for size in [ 1234, 18446744073709551104, 9223372036854775808,
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9223372036854775296 ]:
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': size })
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vm.shutdown()
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#
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# Invalid version
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#
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iotests.log("=== Invalid version ===")
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vm.launch()
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': 67108864,
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'version': 'v1' })
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': 67108864,
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'version': 'v2',
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'lazy-refcounts': True })
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': 67108864,
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'version': 'v2',
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'refcount-bits': 8 })
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vm.shutdown()
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#
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# Invalid backing file options
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#
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iotests.log("=== Invalid backing file options ===")
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vm.launch()
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': 67108864,
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'backing-file': '/dev/null',
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'preallocation': 'full' })
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': 67108864,
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'backing-fmt': imgfmt })
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vm.shutdown()
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#
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# Invalid cluster size
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#
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iotests.log("=== Invalid cluster size ===")
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vm.launch()
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for csize in [ 1234, 128, 4194304, 0 ]:
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': 67108864,
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'cluster-size': csize })
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': 281474976710656,
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'cluster-size': 512 })
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vm.shutdown()
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#
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# Invalid refcount width
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#
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iotests.log("=== Invalid refcount width ===")
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vm.launch()
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for refcount_bits in [ 128, 0, 7 ]:
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vm.blockdev_create({ 'driver': imgfmt,
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'file': 'node0',
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'size': 67108864,
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'refcount-bits': refcount_bits })
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vm.shutdown()
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