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Diffstat (limited to 'tests/qemu-iotests/254')
-rwxr-xr-x | tests/qemu-iotests/254 | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/tests/qemu-iotests/254 b/tests/qemu-iotests/254 new file mode 100755 index 000000000..108bf5f89 --- /dev/null +++ b/tests/qemu-iotests/254 @@ -0,0 +1,81 @@ +#!/usr/bin/env python3 +# group: rw backing quick +# +# Test external snapshot with bitmap copying and moving. +# +# 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 + +iotests.script_initialize(supported_fmts=['qcow2']) + +disk, top = file_path('disk', 'top') +size = 1024 * 1024 + +qemu_img_create('-f', iotests.imgfmt, disk, str(size)) + +vm = iotests.VM().add_drive(disk, opts='node-name=base') +vm.launch() + +vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0') +vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap1', + persistent=True) +vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap2', + persistent=True) + +vm.hmp_qemu_io('drive0', 'write 0 512K') + +vm.qmp_log('transaction', indent=2, actions=[ + {'type': 'blockdev-snapshot-sync', + 'data': {'device': 'drive0', 'snapshot-file': top, + 'snapshot-node-name': 'snap'}}, + + # copy non-persistent bitmap0 + {'type': 'block-dirty-bitmap-add', + 'data': {'node': 'snap', 'name': 'bitmap0'}}, + {'type': 'block-dirty-bitmap-merge', + 'data': {'node': 'snap', 'target': 'bitmap0', + 'bitmaps': [{'node': 'base', 'name': 'bitmap0'}]}}, + + # copy persistent bitmap1, original will be saved to base image + {'type': 'block-dirty-bitmap-add', + 'data': {'node': 'snap', 'name': 'bitmap1', 'persistent': True}}, + {'type': 'block-dirty-bitmap-merge', + 'data': {'node': 'snap', 'target': 'bitmap1', + 'bitmaps': [{'node': 'base', 'name': 'bitmap1'}]}}, + + # move persistent bitmap2, original will be removed and not saved + # to base image + {'type': 'block-dirty-bitmap-add', + 'data': {'node': 'snap', 'name': 'bitmap2', 'persistent': True}}, + {'type': 'block-dirty-bitmap-merge', + 'data': {'node': 'snap', 'target': 'bitmap2', + 'bitmaps': [{'node': 'base', 'name': 'bitmap2'}]}}, + {'type': 'block-dirty-bitmap-remove', + 'data': {'node': 'base', 'name': 'bitmap2'}} +], filters=[iotests.filter_qmp_testfiles]) + +result = vm.qmp('query-block')['return'][0] +log("query-block: device = {}, node-name = {}, dirty-bitmaps:".format( + result['device'], result['inserted']['node-name'])) +log(result['inserted']['dirty-bitmaps'], indent=2) +log("\nbitmaps in backing image:") +log(result['inserted']['image']['backing-image']['format-specific'] \ + ['data']['bitmaps'], indent=2) + +vm.shutdown() |