e67d8e2928
The same data is available in the 'BlockDeviceInfo' struct. Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
94 lines
3.0 KiB
Python
Executable File
94 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# group: rw quick
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#
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# Tests for temporary external snapshot when we have bitmaps.
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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, filter_qmp_event
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iotests.script_initialize(
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supported_fmts=['qcow2']
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)
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base, top = file_path('base', 'top')
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size = 64 * 1024 * 3
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def print_bitmap(msg, vm):
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result = vm.qmp('query-block')['return'][0]
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info = result.get("inserted", {})
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if 'dirty-bitmaps' in info:
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bitmap = info['dirty-bitmaps'][0]
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log('{}: name={} dirty-clusters={}'.format(msg, bitmap['name'],
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bitmap['count'] // 64 // 1024))
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else:
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log(msg + ': not found')
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def test(persistent, restart):
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assert persistent or not restart
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log("\nTestcase {}persistent {} restart\n".format(
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'' if persistent else 'non-', 'with' if restart else 'without'))
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qemu_img_create('-f', iotests.imgfmt, base, str(size))
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vm = iotests.VM().add_drive(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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persistent=persistent)
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vm.hmp_qemu_io('drive0', 'write 0 64K')
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print_bitmap('initial bitmap', vm)
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vm.qmp_log('blockdev-snapshot-sync', device='drive0', snapshot_file=top,
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format=iotests.imgfmt, filters=[iotests.filter_qmp_testfiles])
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vm.hmp_qemu_io('drive0', 'write 64K 512')
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print_bitmap('check that no bitmaps are in snapshot', vm)
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if restart:
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log("... Restart ...")
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vm.shutdown()
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vm = iotests.VM().add_drive(top)
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vm.launch()
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vm.qmp_log('block-commit', device='drive0', top=top,
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filters=[iotests.filter_qmp_testfiles])
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ev = vm.events_wait((('BLOCK_JOB_READY', None),
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('BLOCK_JOB_COMPLETED', None)))
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log(filter_qmp_event(ev))
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if (ev['event'] == 'BLOCK_JOB_COMPLETED'):
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vm.shutdown()
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log(vm.get_log())
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exit()
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vm.qmp_log('block-job-complete', device='drive0')
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ev = vm.event_wait('BLOCK_JOB_COMPLETED')
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log(filter_qmp_event(ev))
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print_bitmap('check bitmap after commit', vm)
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vm.hmp_qemu_io('drive0', 'write 128K 64K')
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print_bitmap('check updated bitmap', vm)
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vm.shutdown()
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test(persistent=False, restart=False)
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test(persistent=True, restart=False)
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test(persistent=True, restart=True)
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