iotests: add test 260 to check bitmap life after snapshot + commit
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20190927122355.7344-8-vsementsov@virtuozzo.com [Maintainer edit: removed 260 from auto group per Peter Maydell. --js] Signed-off-by: John Snow <jsnow@redhat.com>
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Vladimir Sementsov-Ogievskiy
John Snow
parent
644ddbb754
commit
5d9388d4b2
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#!/usr/bin/env python
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#
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# Tests for temporary external snapshot when we have bitmaps.
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#
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# Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import iotests
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from iotests import qemu_img_create, file_path, log, filter_qmp_event
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iotests.verify_image_format(supported_fmts=['qcow2'])
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base, top = file_path('base', 'top')
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size = 64 * 1024 * 3
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def print_bitmap(msg, vm):
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result = vm.qmp('query-block')['return'][0]
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if 'dirty-bitmaps' in result:
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bitmap = result['dirty-bitmaps'][0]
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log('{}: name={} dirty-clusters={}'.format(msg, bitmap['name'],
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bitmap['count'] // 64 // 1024))
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else:
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log(msg + ': not found')
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def test(persistent, restart):
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assert persistent or not restart
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log("\nTestcase {}persistent {} restart\n".format(
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'' if persistent else 'non-', 'with' if restart else 'without'))
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qemu_img_create('-f', iotests.imgfmt, base, str(size))
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vm = iotests.VM().add_drive(base)
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vm.launch()
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vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0',
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persistent=persistent)
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vm.hmp_qemu_io('drive0', 'write 0 64K')
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print_bitmap('initial bitmap', vm)
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vm.qmp_log('blockdev-snapshot-sync', device='drive0', snapshot_file=top,
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format=iotests.imgfmt, filters=[iotests.filter_qmp_testfiles])
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vm.hmp_qemu_io('drive0', 'write 64K 512')
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print_bitmap('check that no bitmaps are in snapshot', vm)
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if restart:
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log("... Restart ...")
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vm.shutdown()
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vm = iotests.VM().add_drive(top)
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vm.launch()
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vm.qmp_log('block-commit', device='drive0', top=top,
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filters=[iotests.filter_qmp_testfiles])
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ev = vm.events_wait((('BLOCK_JOB_READY', None),
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('BLOCK_JOB_COMPLETED', None)))
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log(filter_qmp_event(ev))
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if (ev['event'] == 'BLOCK_JOB_COMPLETED'):
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vm.shutdown()
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log(vm.get_log())
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exit()
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vm.qmp_log('block-job-complete', device='drive0')
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ev = vm.event_wait('BLOCK_JOB_COMPLETED')
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log(filter_qmp_event(ev))
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print_bitmap('check bitmap after commit', vm)
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vm.hmp_qemu_io('drive0', 'write 128K 64K')
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print_bitmap('check updated bitmap', vm)
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vm.shutdown()
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test(persistent=False, restart=False)
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test(persistent=True, restart=False)
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test(persistent=True, restart=True)
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@ -0,0 +1,52 @@
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Testcase non-persistent without restart
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{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0", "persistent": false}}
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{"return": {}}
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initial bitmap: name=bitmap0 dirty-clusters=1
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{"execute": "blockdev-snapshot-sync", "arguments": {"device": "drive0", "format": "qcow2", "snapshot-file": "TEST_DIR/PID-top"}}
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{"return": {}}
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check that no bitmaps are in snapshot: not found
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{"execute": "block-commit", "arguments": {"device": "drive0", "top": "TEST_DIR/PID-top"}}
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{"return": {}}
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{"data": {"device": "drive0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "block-job-complete", "arguments": {"device": "drive0"}}
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{"return": {}}
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{"data": {"device": "drive0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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check bitmap after commit: name=bitmap0 dirty-clusters=2
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check updated bitmap: name=bitmap0 dirty-clusters=3
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Testcase persistent without restart
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{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0", "persistent": true}}
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{"return": {}}
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initial bitmap: name=bitmap0 dirty-clusters=1
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{"execute": "blockdev-snapshot-sync", "arguments": {"device": "drive0", "format": "qcow2", "snapshot-file": "TEST_DIR/PID-top"}}
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{"return": {}}
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check that no bitmaps are in snapshot: not found
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{"execute": "block-commit", "arguments": {"device": "drive0", "top": "TEST_DIR/PID-top"}}
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{"return": {}}
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{"data": {"device": "drive0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "block-job-complete", "arguments": {"device": "drive0"}}
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{"return": {}}
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{"data": {"device": "drive0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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check bitmap after commit: name=bitmap0 dirty-clusters=2
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check updated bitmap: name=bitmap0 dirty-clusters=3
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Testcase persistent with restart
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{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0", "persistent": true}}
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{"return": {}}
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initial bitmap: name=bitmap0 dirty-clusters=1
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{"execute": "blockdev-snapshot-sync", "arguments": {"device": "drive0", "format": "qcow2", "snapshot-file": "TEST_DIR/PID-top"}}
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{"return": {}}
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check that no bitmaps are in snapshot: not found
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... Restart ...
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{"execute": "block-commit", "arguments": {"device": "drive0", "top": "TEST_DIR/PID-top"}}
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{"return": {}}
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{"data": {"device": "drive0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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{"execute": "block-job-complete", "arguments": {"device": "drive0"}}
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{"return": {}}
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{"data": {"device": "drive0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
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check bitmap after commit: name=bitmap0 dirty-clusters=2
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check updated bitmap: name=bitmap0 dirty-clusters=3
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@ -273,6 +273,7 @@
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256 rw quick
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257 rw
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258 rw quick
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260 rw quick
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262 rw quick migration
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263 rw quick
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265 rw auto quick
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