b30b807724
We are going to support IMGOPTS for python iotests. Still some iotests will not work with common IMGOPTS used with bash iotests like specifying refcount_bits and compat qcow2 options. So we should define corresponding unsupported_imgopts for now. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20211223160144.1097696-4-vsementsov@virtuozzo.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
83 lines
3.1 KiB
Python
Executable File
83 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# group: rw backing quick
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#
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# Test external snapshot with bitmap copying and moving.
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#
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# Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.
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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 qemu_img_create, file_path, log
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iotests.script_initialize(supported_fmts=['qcow2'],
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unsupported_imgopts=['compat'])
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disk, top = file_path('disk', 'top')
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size = 1024 * 1024
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qemu_img_create('-f', iotests.imgfmt, disk, str(size))
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vm = iotests.VM().add_drive(disk, opts='node-name=base')
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vm.launch()
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vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0')
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vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap1',
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persistent=True)
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vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap2',
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persistent=True)
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vm.hmp_qemu_io('drive0', 'write 0 512K')
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vm.qmp_log('transaction', indent=2, actions=[
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{'type': 'blockdev-snapshot-sync',
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'data': {'device': 'drive0', 'snapshot-file': top,
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'snapshot-node-name': 'snap'}},
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# copy non-persistent bitmap0
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{'type': 'block-dirty-bitmap-add',
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'data': {'node': 'snap', 'name': 'bitmap0'}},
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{'type': 'block-dirty-bitmap-merge',
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'data': {'node': 'snap', 'target': 'bitmap0',
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'bitmaps': [{'node': 'base', 'name': 'bitmap0'}]}},
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# copy persistent bitmap1, original will be saved to base image
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{'type': 'block-dirty-bitmap-add',
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'data': {'node': 'snap', 'name': 'bitmap1', 'persistent': True}},
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{'type': 'block-dirty-bitmap-merge',
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'data': {'node': 'snap', 'target': 'bitmap1',
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'bitmaps': [{'node': 'base', 'name': 'bitmap1'}]}},
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# move persistent bitmap2, original will be removed and not saved
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# to base image
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{'type': 'block-dirty-bitmap-add',
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'data': {'node': 'snap', 'name': 'bitmap2', 'persistent': True}},
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{'type': 'block-dirty-bitmap-merge',
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'data': {'node': 'snap', 'target': 'bitmap2',
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'bitmaps': [{'node': 'base', 'name': 'bitmap2'}]}},
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{'type': 'block-dirty-bitmap-remove',
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'data': {'node': 'base', 'name': 'bitmap2'}}
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], filters=[iotests.filter_qmp_testfiles])
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result = vm.qmp('query-block')['return'][0]
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log("query-block: device = {}, node-name = {}, dirty-bitmaps:".format(
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result['device'], result['inserted']['node-name']))
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log(result['inserted']['dirty-bitmaps'], indent=2)
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log("\nbitmaps in backing image:")
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log(result['inserted']['image']['backing-image']['format-specific'] \
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['data']['bitmaps'], indent=2)
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vm.shutdown()
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