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iotests: test bitmap moving inside 254

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Test persistent bitmap copying with and without removal of original
bitmap.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190708220502.12977-4-jsnow@redhat.com
[Edited comment "bitmap1" --> "bitmap2" as per review. --js]
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2019-07-29 16:35:54 -04:00 • committed by John Snow
parent c4e4b0fa59
commit 3f7b2fa8cd
2 changed files with 110 additions and 2 deletions
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30
tests/qemu-iotests/254
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@ -1,6 +1,6 @@
#!/usr/bin/env python
#
# Test external snapshot with bitmap copying.
# Test external snapshot with bitmap copying and moving.
#
# Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.
#
@ -32,6 +32,10 @@ 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')
@ -39,16 +43,38 @@ 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'}]}}
'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['dirty-bitmaps'], indent=2)
log("\nbitmaps in backing image:")
log(result['inserted']['image']['backing-image']['format-specific'] \
['data']['bitmaps'], indent=2)
vm.shutdown()