2 # group: rw backing quick
4 # Test external snapshot with bitmap copying and moving.
6 # Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 from iotests import qemu_img_create, file_path, log
25 iotests.script_initialize(supported_fmts=['qcow2'])
27 disk, top = file_path('disk', 'top')
30 qemu_img_create('-f', iotests.imgfmt, disk, str(size))
32 vm = iotests.VM().add_drive(disk, opts='node-name=base')
35 vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0')
36 vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap1',
38 vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap2',
41 vm.hmp_qemu_io('drive0', 'write 0 512K')
43 vm.qmp_log('transaction', indent=2, actions=[
44 {'type': 'blockdev-snapshot-sync',
45 'data': {'device': 'drive0', 'snapshot-file': top,
46 'snapshot-node-name': 'snap'}},
48 # copy non-persistent bitmap0
49 {'type': 'block-dirty-bitmap-add',
50 'data': {'node': 'snap', 'name': 'bitmap0'}},
51 {'type': 'block-dirty-bitmap-merge',
52 'data': {'node': 'snap', 'target': 'bitmap0',
53 'bitmaps': [{'node': 'base', 'name': 'bitmap0'}]}},
55 # copy persistent bitmap1, original will be saved to base image
56 {'type': 'block-dirty-bitmap-add',
57 'data': {'node': 'snap', 'name': 'bitmap1', 'persistent': True}},
58 {'type': 'block-dirty-bitmap-merge',
59 'data': {'node': 'snap', 'target': 'bitmap1',
60 'bitmaps': [{'node': 'base', 'name': 'bitmap1'}]}},
62 # move persistent bitmap2, original will be removed and not saved
64 {'type': 'block-dirty-bitmap-add',
65 'data': {'node': 'snap', 'name': 'bitmap2', 'persistent': True}},
66 {'type': 'block-dirty-bitmap-merge',
67 'data': {'node': 'snap', 'target': 'bitmap2',
68 'bitmaps': [{'node': 'base', 'name': 'bitmap2'}]}},
69 {'type': 'block-dirty-bitmap-remove',
70 'data': {'node': 'base', 'name': 'bitmap2'}}
71 ], filters=[iotests.filter_qmp_testfiles])
73 result = vm.qmp('query-block')['return'][0]
74 log("query-block: device = {}, node-name = {}, dirty-bitmaps:".format(
75 result['device'], result['inserted']['node-name']))
76 log(result['inserted']['dirty-bitmaps'], indent=2)
77 log("\nbitmaps in backing image:")
78 log(result['inserted']['image']['backing-image']['format-specific'] \
79 ['data']['bitmaps'], indent=2)