#!/usr/bin/env python # # Tests for drive-backup # # Copyright (C) 2013 Red Hat, Inc. # # Based on 041. # # 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 time import os import iotests from iotests import qemu_img, qemu_io, create_image backing_img = os.path.join(iotests.test_dir, 'backing.img') test_img = os.path.join(iotests.test_dir, 'test.img') target_img = os.path.join(iotests.test_dir, 'target.img') class TestSyncModesNoneAndTop(iotests.QMPTestCase): image_len = 64 * 1024 * 1024 # MB def setUp(self): create_image(backing_img, TestSyncModesNoneAndTop.image_len) qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) qemu_io('-c', 'write -P0x41 0 512', test_img) qemu_io('-c', 'write -P0xd5 1M 32k', test_img) qemu_io('-c', 'write -P0xdc 32M 124k', test_img) qemu_io('-c', 'write -P0xdc 67043328 64k', test_img) self.vm = iotests.VM().add_drive(test_img) self.vm.launch() def tearDown(self): self.vm.shutdown() os.remove(test_img) os.remove(backing_img) try: os.remove(target_img) except OSError: pass def test_complete_top(self): self.assert_no_active_block_jobs() result = self.vm.qmp('drive-backup', device='drive0', sync='top', format=iotests.imgfmt, target=target_img) self.assert_qmp(result, 'return', {}) self.wait_until_completed(check_offset=False) self.assert_no_active_block_jobs() self.vm.shutdown() self.assertTrue(iotests.compare_images(test_img, target_img), 'target image does not match source after backup') def test_cancel_sync_none(self): self.assert_no_active_block_jobs() result = self.vm.qmp('drive-backup', device='drive0', sync='none', target=target_img) self.assert_qmp(result, 'return', {}) time.sleep(1) self.vm.hmp_qemu_io('drive0', 'write -P0x5e 0 512') self.vm.hmp_qemu_io('drive0', 'aio_flush') # Verify that the original contents exist in the target image. event = self.cancel_and_wait() self.assert_qmp(event, 'data/type', 'backup') self.vm.shutdown() time.sleep(1) self.assertEqual(-1, qemu_io('-c', 'read -P0x41 0 512', target_img).find("verification failed")) if __name__ == '__main__': iotests.main(supported_fmts=['qcow2', 'qed'])