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