| #!/usr/bin/env python3 |
| # group: rw quick |
| # |
| # Test reopening a format driver's file child |
| # |
| # Copyright (C) 2022 Red Hat, Inc. |
| # |
| # 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 os |
| import iotests |
| from iotests import imgfmt, qemu_img_create, QMPTestCase |
| |
| |
| image_size = 1 * 1024 * 1024 |
| test_img = os.path.join(iotests.test_dir, 'test.img') |
| |
| |
| class TestReopenFile(QMPTestCase): |
| def setUp(self) -> None: |
| res = qemu_img_create('-f', imgfmt, test_img, str(image_size)) |
| assert res.returncode == 0 |
| |
| # Add format driver node ('format') on top of the file ('file'), then |
| # add another raw node ('raw') on top of 'file' so for the reopen we |
| # can just switch from 'file' to 'raw' |
| self.vm = iotests.VM() |
| self.vm.add_blockdev(self.vm.qmp_to_opts({ |
| 'driver': imgfmt, |
| 'node-name': 'format', |
| 'file': { |
| 'driver': 'file', |
| 'node-name': 'file', |
| 'filename': test_img |
| } |
| })) |
| self.vm.add_blockdev(self.vm.qmp_to_opts({ |
| 'driver': 'raw', |
| 'node-name': 'raw', |
| 'file': 'file' |
| })) |
| self.vm.launch() |
| |
| def tearDown(self) -> None: |
| self.vm.shutdown() |
| os.remove(test_img) |
| |
| # Check if there was any qemu-io run that failed |
| if 'Pattern verification failed' in self.vm.get_log(): |
| print('ERROR: Pattern verification failed:') |
| print(self.vm.get_log()) |
| self.fail('qemu-io pattern verification failed') |
| |
| def test_reopen_file(self) -> None: |
| result = self.vm.qmp('blockdev-reopen', options=[{ |
| 'driver': imgfmt, |
| 'node-name': 'format', |
| 'file': 'raw' |
| }]) |
| self.assert_qmp(result, 'return', {}) |
| |
| # Do some I/O to the image to see whether it still works |
| # (Pattern verification will be checked by tearDown()) |
| result = self.vm.qmp('human-monitor-command', |
| command_line='qemu-io format "write -P 42 0 64k"') |
| self.assert_qmp(result, 'return', '') |
| |
| result = self.vm.qmp('human-monitor-command', |
| command_line='qemu-io format "read -P 42 0 64k"') |
| self.assert_qmp(result, 'return', '') |
| |
| |
| if __name__ == '__main__': |
| # Must support creating images and reopen |
| iotests.main(supported_fmts=['qcow', 'qcow2', 'qed', 'raw', 'vdi', 'vhdx', |
| 'vmdk', 'vpc'], |
| supported_protocols=['file']) |