72 lines
2.3 KiB
Python
Executable File
72 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Test removing persistent bitmap from backing
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#
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# Copyright (c) 2021 Virtuozzo International GmbH.
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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 log, qemu_img_create, qemu_img, qemu_img_pipe
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iotests.script_initialize(supported_fmts=['qcow2'])
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top, base = iotests.file_path('top', 'base')
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size = '1M'
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assert qemu_img_create('-f', iotests.imgfmt, base, size) == 0
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assert qemu_img_create('-f', iotests.imgfmt, '-b', base,
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'-F', iotests.imgfmt, top, size) == 0
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assert qemu_img('bitmap', '--add', base, 'bitmap0') == 0
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# Just assert that our method of checking bitmaps in the image works.
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assert 'bitmaps' in qemu_img_pipe('info', base)
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vm = iotests.VM().add_drive(top, 'backing.node-name=base')
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vm.launch()
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log('Trying to remove persistent bitmap from r-o base node, should fail:')
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vm.qmp_log('block-dirty-bitmap-remove', node='base', name='bitmap0')
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new_base_opts = {
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'options': [{
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'node-name': 'base',
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'driver': 'qcow2',
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'file': {
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'driver': 'file',
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'filename': base
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},
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'read-only': False
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}]
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}
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# Don't want to bother with filtering qmp_log for reopen command
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result = vm.qmp('blockdev-reopen', **new_base_opts)
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if result != {'return': {}}:
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log('Failed to reopen: ' + str(result))
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log('Remove persistent bitmap from base node reopened to RW:')
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vm.qmp_log('block-dirty-bitmap-remove', node='base', name='bitmap0')
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new_base_opts['options'][0]['read-only'] = True
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result = vm.qmp('blockdev-reopen', **new_base_opts)
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if result != {'return': {}}:
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log('Failed to reopen: ' + str(result))
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vm.shutdown()
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if 'bitmaps' in qemu_img_pipe('info', base):
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log('ERROR: Bitmap is still in the base image')
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