]>
git.proxmox.com Git - mirror_qemu.git/blob - tests/qemu-iotests/260
4 # Tests for temporary external snapshot when we have bitmaps.
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
, filter_qmp_event
25 iotests
.script_initialize(
26 supported_fmts
=['qcow2'],
27 unsupported_imgopts
=['compat']
30 base
, top
= file_path('base', 'top')
34 def print_bitmap(msg
, vm
):
35 result
= vm
.qmp('query-block')['return'][0]
36 info
= result
.get("inserted", {})
37 if 'dirty-bitmaps' in info
:
38 bitmap
= info
['dirty-bitmaps'][0]
39 log('{}: name={} dirty-clusters={}'.format(msg
, bitmap
['name'],
40 bitmap
['count'] // 64 // 1024))
42 log(msg
+ ': not found')
45 def test(persistent
, restart
):
46 assert persistent
or not restart
47 log("\nTestcase {}persistent {} restart\n".format(
48 '' if persistent
else 'non-', 'with' if restart
else 'without'))
50 qemu_img_create('-f', iotests
.imgfmt
, base
, str(size
))
52 vm
= iotests
.VM().add_drive(base
)
55 vm
.qmp_log('block-dirty-bitmap-add', node
='drive0', name
='bitmap0',
56 persistent
=persistent
)
57 vm
.hmp_qemu_io('drive0', 'write 0 64K')
58 print_bitmap('initial bitmap', vm
)
60 vm
.qmp_log('blockdev-snapshot-sync', device
='drive0', snapshot_file
=top
,
61 format
=iotests
.imgfmt
, filters
=[iotests
.filter_qmp_testfiles
])
62 vm
.hmp_qemu_io('drive0', 'write 64K 512')
63 print_bitmap('check that no bitmaps are in snapshot', vm
)
66 log("... Restart ...")
68 vm
= iotests
.VM().add_drive(top
)
71 vm
.qmp_log('block-commit', device
='drive0', top
=top
,
72 filters
=[iotests
.filter_qmp_testfiles
])
73 ev
= vm
.events_wait((('BLOCK_JOB_READY', None),
74 ('BLOCK_JOB_COMPLETED', None)))
75 log(filter_qmp_event(ev
))
76 if (ev
['event'] == 'BLOCK_JOB_COMPLETED'):
81 vm
.qmp_log('block-job-complete', device
='drive0')
82 ev
= vm
.event_wait('BLOCK_JOB_COMPLETED')
83 log(filter_qmp_event(ev
))
84 print_bitmap('check bitmap after commit', vm
)
86 vm
.hmp_qemu_io('drive0', 'write 128K 64K')
87 print_bitmap('check updated bitmap', vm
)
92 test(persistent
=False, restart
=False)
93 test(persistent
=True, restart
=False)
94 test(persistent
=True, restart
=True)