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iotests: test clearing unknown autoclear_features by qcow2
Test clearing unknown autoclear_features by qcow2 on incoming migration. [ kwolf: Fixed wait for destination VM startup ] Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
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#!/usr/bin/env python | ||
# | ||
# Test clearing unknown autoclear_features flag by qcow2 after | ||
# migration. This test mimics migration to older qemu. | ||
# | ||
# Copyright (c) 2017 Parallels International GmbH | ||
# | ||
# 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/>. | ||
# | ||
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import os | ||
import iotests | ||
from iotests import qemu_img | ||
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disk = os.path.join(iotests.test_dir, 'disk') | ||
migfile = os.path.join(iotests.test_dir, 'migfile') | ||
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class TestInvalidateAutoclear(iotests.QMPTestCase): | ||
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def tearDown(self): | ||
self.vm_a.shutdown() | ||
self.vm_b.shutdown() | ||
os.remove(disk) | ||
os.remove(migfile) | ||
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def setUp(self): | ||
qemu_img('create', '-f', iotests.imgfmt, disk, '1M') | ||
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self.vm_a = iotests.VM(path_suffix='a').add_drive(disk) | ||
self.vm_a.launch() | ||
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self.vm_b = iotests.VM(path_suffix='b').add_drive(disk) | ||
self.vm_b.add_incoming("exec: cat '" + migfile + "'") | ||
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def test_migration(self): | ||
result = self.vm_a.qmp('migrate', uri='exec:cat>' + migfile) | ||
self.assert_qmp(result, 'return', {}); | ||
self.assertNotEqual(self.vm_a.event_wait("STOP"), None) | ||
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with open(disk, 'r+b') as f: | ||
f.seek(88) # first byte of autoclear_features field | ||
f.write(b'\xff') | ||
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self.vm_b.launch() | ||
while True: | ||
result = self.vm_b.qmp('query-status') | ||
if result['return']['status'] == 'running': | ||
break | ||
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with open(disk, 'rb') as f: | ||
f.seek(88) | ||
self.assertEqual(f.read(1), b'\x00') | ||
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if __name__ == '__main__': | ||
iotests.main(supported_fmts=['qcow2']) |
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. | ||
---------------------------------------------------------------------- | ||
Ran 1 tests | ||
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OK |
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