projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 903cb1bf | 1 | #!/usr/bin/env python3 |
| 9dd003a9 | 2 | # group: rw quick migration |
| 3590cd0f VSO |
3 | # |
| 4 | # Test clearing unknown autoclear_features flag by qcow2 after | |
| 5 | # migration. This test mimics migration to older qemu. | |
| 6 | # | |
| 7 | # Copyright (c) 2017 Parallels International GmbH | |
| 8 | # | |
| 9 | # This program is free software; you can redistribute it and/or modify | |
| 10 | # it under the terms of the GNU General Public License as published by | |
| 11 | # the Free Software Foundation; either version 2 of the License, or | |
| 12 | # (at your option) any later version. | |
| 13 | # | |
| 14 | # This program is distributed in the hope that it will be useful, | |
| 15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | # GNU General Public License for more details. | |
| 18 | # | |
| 19 | # You should have received a copy of the GNU General Public License | |
| 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 21 | # | |
| 22 | ||
| 23 | import os | |
| 24 | import iotests | |
| 25 | from iotests import qemu_img | |
| 26 | ||
| 27 | disk = os.path.join(iotests.test_dir, 'disk') | |
| 28 | migfile = os.path.join(iotests.test_dir, 'migfile') | |
| 29 | ||
| 30 | class TestInvalidateAutoclear(iotests.QMPTestCase): | |
| 31 | ||
| 32 | def tearDown(self): | |
| 33 | self.vm_a.shutdown() | |
| 34 | self.vm_b.shutdown() | |
| 35 | os.remove(disk) | |
| 36 | os.remove(migfile) | |
| 37 | ||
| 38 | def setUp(self): | |
| 39 | qemu_img('create', '-f', iotests.imgfmt, disk, '1M') | |
| 40 | ||
| 41 | self.vm_a = iotests.VM(path_suffix='a').add_drive(disk) | |
| 42 | self.vm_a.launch() | |
| 43 | ||
| 44 | self.vm_b = iotests.VM(path_suffix='b').add_drive(disk) | |
| 45 | self.vm_b.add_incoming("exec: cat '" + migfile + "'") | |
| 46 | ||
| 47 | def test_migration(self): | |
| b6aed193 | 48 | self.vm_a.cmd('migrate', uri='exec:cat>' + migfile) |
| 3590cd0f VSO |
49 | self.assertNotEqual(self.vm_a.event_wait("STOP"), None) |
| 50 | ||
| 51 | with open(disk, 'r+b') as f: | |
| 52 | f.seek(88) # first byte of autoclear_features field | |
| 53 | f.write(b'\xff') | |
| 54 | ||
| 55 | self.vm_b.launch() | |
| 56 | while True: | |
| 57 | result = self.vm_b.qmp('query-status') | |
| 58 | if result['return']['status'] == 'running': | |
| 59 | break | |
| 60 | ||
| 61 | with open(disk, 'rb') as f: | |
| 62 | f.seek(88) | |
| 63 | self.assertEqual(f.read(1), b'\x00') | |
| 64 | ||
| 65 | if __name__ == '__main__': | |
| 103cbc77 | 66 | iotests.main(supported_fmts=['qcow2'], |
| b30b8077 VSO |
67 | supported_protocols=['file'], |
| 68 | unsupported_imgopts=['compat']) |