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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2019-09-27 15:23:53 +0300
committerJohn Snow <jsnow@redhat.com>2019-10-17 17:02:32 -0400
commit5d9388d4b23a5302acb53052add07514285b2976 (patch)
tree689376ea89761a9b26798e1875769fe923d7047e /tests/qemu-iotests/260
parent644ddbb7540cfb69941f33629281819f53770666 (diff)
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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>
Diffstat (limited to 'tests/qemu-iotests/260')
-rwxr-xr-xtests/qemu-iotests/26089
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/qemu-iotests/260 b/tests/qemu-iotests/260
new file mode 100755
index 0000000..4f6082c
--- /dev/null
+++ b/tests/qemu-iotests/260
@@ -0,0 +1,89 @@
+#!/usr/bin/env python
+#
+# Tests for temporary external snapshot when we have bitmaps.
+#
+# Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import iotests
+from iotests import qemu_img_create, file_path, log, filter_qmp_event
+
+iotests.verify_image_format(supported_fmts=['qcow2'])
+
+base, top = file_path('base', 'top')
+size = 64 * 1024 * 3
+
+
+def print_bitmap(msg, vm):
+ result = vm.qmp('query-block')['return'][0]
+ if 'dirty-bitmaps' in result:
+ bitmap = result['dirty-bitmaps'][0]
+ log('{}: name={} dirty-clusters={}'.format(msg, bitmap['name'],
+ bitmap['count'] // 64 // 1024))
+ else:
+ log(msg + ': not found')
+
+
+def test(persistent, restart):
+ assert persistent or not restart
+ log("\nTestcase {}persistent {} restart\n".format(
+ '' if persistent else 'non-', 'with' if restart else 'without'))
+
+ qemu_img_create('-f', iotests.imgfmt, base, str(size))
+
+ vm = iotests.VM().add_drive(base)
+ vm.launch()
+
+ vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0',
+ persistent=persistent)
+ vm.hmp_qemu_io('drive0', 'write 0 64K')
+ print_bitmap('initial bitmap', vm)
+
+ vm.qmp_log('blockdev-snapshot-sync', device='drive0', snapshot_file=top,
+ format=iotests.imgfmt, filters=[iotests.filter_qmp_testfiles])
+ vm.hmp_qemu_io('drive0', 'write 64K 512')
+ print_bitmap('check that no bitmaps are in snapshot', vm)
+
+ if restart:
+ log("... Restart ...")
+ vm.shutdown()
+ vm = iotests.VM().add_drive(top)
+ vm.launch()
+
+ vm.qmp_log('block-commit', device='drive0', top=top,
+ filters=[iotests.filter_qmp_testfiles])
+ ev = vm.events_wait((('BLOCK_JOB_READY', None),
+ ('BLOCK_JOB_COMPLETED', None)))
+ log(filter_qmp_event(ev))
+ if (ev['event'] == 'BLOCK_JOB_COMPLETED'):
+ vm.shutdown()
+ log(vm.get_log())
+ exit()
+
+ vm.qmp_log('block-job-complete', device='drive0')
+ ev = vm.event_wait('BLOCK_JOB_COMPLETED')
+ log(filter_qmp_event(ev))
+ print_bitmap('check bitmap after commit', vm)
+
+ vm.hmp_qemu_io('drive0', 'write 128K 64K')
+ print_bitmap('check updated bitmap', vm)
+
+ vm.shutdown()
+
+
+test(persistent=False, restart=False)
+test(persistent=True, restart=False)
+test(persistent=True, restart=True)