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7c477526 | 1 | #!/usr/bin/env python3 |
9dd003a9 | 2 | # group: rw quick |
6dd64919 SH |
3 | # |
4 | # Copyright (C) 2017 Red Hat, Inc. | |
5 | # | |
6 | # This program is free software; you can redistribute it and/or modify | |
7 | # it under the terms of the GNU General Public License as published by | |
8 | # the Free Software Foundation; either version 2 of the License, or | |
9 | # (at your option) any later version. | |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | # | |
19 | # Creator/Owner: Stefan Hajnoczi <stefanha@redhat.com> | |
20 | # | |
21 | # Check that QMP 'transaction' blockdev-snapshot-sync with multiple drives on a | |
22 | # single IOThread completes successfully. This particular command triggered a | |
23 | # hang due to recursive AioContext locking and BDRV_POLL_WHILE(). Protect | |
24 | # against regressions. | |
25 | ||
26 | import iotests | |
27 | ||
7d814059 JS |
28 | iotests.script_initialize(supported_fmts=['qcow2'], |
29 | supported_platforms=['linux']) | |
6dd64919 SH |
30 | |
31 | with iotests.FilePath('disk0.img') as disk0_img_path, \ | |
32 | iotests.FilePath('disk1.img') as disk1_img_path, \ | |
33 | iotests.FilePath('disk0-snap.img') as disk0_snap_img_path, \ | |
34 | iotests.FilePath('disk1-snap.img') as disk1_snap_img_path, \ | |
35 | iotests.VM() as vm: | |
36 | ||
37 | img_size = '10M' | |
3d53818f JS |
38 | iotests.qemu_img_create('-f', iotests.imgfmt, disk0_img_path, img_size) |
39 | iotests.qemu_img_create('-f', iotests.imgfmt, disk1_img_path, img_size) | |
6dd64919 SH |
40 | |
41 | iotests.log('Launching VM...') | |
42 | vm.launch() | |
43 | ||
44 | iotests.log('Adding IOThread...') | |
45 | iotests.log(vm.qmp('object-add', | |
46 | qom_type='iothread', | |
47 | id='iothread0')) | |
48 | ||
49 | iotests.log('Adding blockdevs...') | |
50 | iotests.log(vm.qmp('blockdev-add', | |
51 | driver=iotests.imgfmt, | |
52 | node_name='disk0', | |
53 | file={ | |
54 | 'driver': 'file', | |
55 | 'filename': disk0_img_path, | |
56 | })) | |
57 | iotests.log(vm.qmp('blockdev-add', | |
58 | driver=iotests.imgfmt, | |
59 | node_name='disk1', | |
60 | file={ | |
61 | 'driver': 'file', | |
62 | 'filename': disk1_img_path, | |
63 | })) | |
64 | ||
65 | iotests.log('Setting iothread...') | |
66 | iotests.log(vm.qmp('x-blockdev-set-iothread', | |
67 | node_name='disk0', | |
68 | iothread='iothread0')) | |
69 | iotests.log(vm.qmp('x-blockdev-set-iothread', | |
70 | node_name='disk1', | |
71 | iothread='iothread0')) | |
72 | ||
73 | iotests.log('Creating external snapshots...') | |
74 | iotests.log(vm.qmp( | |
75 | 'transaction', | |
76 | actions=[ | |
77 | { | |
78 | 'data': { | |
79 | 'node-name': 'disk0', | |
80 | 'snapshot-file': disk0_snap_img_path, | |
81 | 'snapshot-node-name': 'disk0-snap', | |
82 | 'mode': 'absolute-paths', | |
83 | 'format': iotests.imgfmt, | |
84 | }, | |
85 | 'type': 'blockdev-snapshot-sync' | |
86 | }, { | |
87 | 'data': { | |
88 | 'node-name': 'disk1', | |
89 | 'snapshot-file': disk1_snap_img_path, | |
90 | 'snapshot-node-name': 'disk1-snap', | |
91 | 'mode': 'absolute-paths', | |
92 | 'format': iotests.imgfmt | |
93 | }, | |
94 | 'type': 'blockdev-snapshot-sync' | |
95 | } | |
96 | ])) |