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c203c3b8 VSO |
1 | #!/usr/bin/env python3 |
2 | # | |
3 | # Test parallels load bitmap | |
4 | # | |
5 | # Copyright (c) 2021 Virtuozzo International GmbH. | |
6 | # | |
7 | # This program is free software; you can redistribute it and/or modify | |
8 | # it under the terms of the GNU General Public License as published by | |
9 | # the Free Software Foundation; either version 2 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | # | |
20 | ||
c203c3b8 | 21 | import iotests |
1670ae7a | 22 | from iotests import qemu_nbd_popen, qemu_img_map, log, file_path |
c203c3b8 VSO |
23 | |
24 | iotests.script_initialize(supported_fmts=['parallels']) | |
25 | ||
26 | nbd_sock = file_path('nbd-sock', base_dir=iotests.sock_dir) | |
27 | disk = iotests.file_path('disk') | |
28 | bitmap = 'e4f2eed0-37fe-4539-b50b-85d2e7fd235f' | |
29 | nbd_opts = f'driver=nbd,server.type=unix,server.path={nbd_sock}' \ | |
30 | f',x-dirty-bitmap=qemu:dirty-bitmap:{bitmap}' | |
31 | ||
32 | ||
33 | iotests.unarchive_sample_image('parallels-with-bitmap', disk) | |
34 | ||
35 | ||
36 | with qemu_nbd_popen('--read-only', f'--socket={nbd_sock}', | |
37 | f'--bitmap={bitmap}', '-f', iotests.imgfmt, disk): | |
1670ae7a | 38 | chunks = qemu_img_map('--image-opts', nbd_opts) |
c203c3b8 VSO |
39 | cluster = 64 * 1024 |
40 | ||
41 | log('dirty clusters (cluster size is 64K):') | |
42 | for c in chunks: | |
43 | assert c['start'] % cluster == 0 | |
44 | assert c['length'] % cluster == 0 | |
45 | if c['data']: | |
46 | continue | |
47 | ||
48 | a = c['start'] // cluster | |
49 | b = (c['start'] + c['length']) // cluster | |
50 | if b - a > 1: | |
51 | log(f'{a}-{b-1}') | |
52 | else: | |
53 | log(a) |