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61 lines
1.8 KiB
Plaintext
61 lines
1.8 KiB
Plaintext
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#!/usr/bin/env python3
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#
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# Tests dirty-bitmap backup with unaligned bitmap granularity
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#
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# Copyright (c) 2020 Proxmox Server Solutions
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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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# owner=s.reiter@proxmox.com
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import iotests
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from iotests import qemu_img_create, qemu_img_log, file_path
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iotests.script_initialize(supported_fmts=['qcow2'],
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supported_protocols=['file'])
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test_img = file_path('test.qcow2')
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target_img = file_path('target.qcow2')
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# unaligned by one byte
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image_len = 4097
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bitmap_granularity = 4096
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qemu_img_create('-f', iotests.imgfmt, test_img, str(image_len))
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# create VM
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vm = iotests.VM().add_drive(test_img)
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vm.launch()
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# write to the entire image
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vm.hmp_qemu_io('drive0', 'write -P0x16 0 4096');
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vm.hmp_qemu_io('drive0', 'write -P0x17 4096 1');
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# do backup and wait for completion
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vm.qmp('drive-backup', **{
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'device': 'drive0',
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'sync': 'full',
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'target': target_img
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})
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event = vm.event_wait(name='BLOCK_JOB_COMPLETED',
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match={'data': {'device': 'drive0'}},
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timeout=5.0)
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# shutdown to sync images
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vm.shutdown()
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# backup succeeded, check if image is correct
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qemu_img_log('compare', test_img, target_img)
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