| #!/usr/bin/env python |
| # |
| # Copyright (C) 2017 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/>. |
| # |
| # Creator/Owner: Stefan Hajnoczi <stefanha@redhat.com> |
| # |
| # Non-shared storage migration test using NBD server and drive-mirror |
| |
| import os |
| import atexit |
| import iotests |
| |
| iotests.verify_platform(['linux']) |
| |
| img_size = '1G' |
| source_img_path = os.path.join(iotests.test_dir, 'source.img') |
| dest_img_path = os.path.join(iotests.test_dir, 'dest.img') |
| iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, source_img_path, img_size) |
| iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, dest_img_path, img_size) |
| |
| iotests.log('Launching VMs...') |
| migration_sock_path = os.path.join(iotests.test_dir, 'migration.sock') |
| nbd_sock_path = os.path.join(iotests.test_dir, 'nbd.sock') |
| source_vm = iotests.VM('source').add_drive(source_img_path) |
| dest_vm = (iotests.VM('dest').add_drive(dest_img_path) |
| .add_incoming('unix:{0}'.format(migration_sock_path))) |
| source_vm.launch() |
| atexit.register(source_vm.shutdown) |
| dest_vm.launch() |
| atexit.register(dest_vm.shutdown) |
| |
| iotests.log('Launching NBD server on destination...') |
| iotests.log(dest_vm.qmp('nbd-server-start', addr={'type': 'unix', 'data': {'path': nbd_sock_path}})) |
| iotests.log(dest_vm.qmp('nbd-server-add', device='drive0', writable=True)) |
| |
| iotests.log('Starting drive-mirror on source...') |
| iotests.log(source_vm.qmp( |
| 'drive-mirror', |
| device='drive0', |
| target='nbd+unix:///drive0?socket={0}'.format(nbd_sock_path), |
| sync='full', |
| format='raw', # always raw, the server handles the format |
| mode='existing')) |
| |
| iotests.log('Waiting for drive-mirror to complete...') |
| iotests.log(source_vm.event_wait('BLOCK_JOB_READY'), |
| filters=[iotests.filter_qmp_event]) |
| |
| iotests.log('Starting migration...') |
| source_vm.qmp('migrate-set-capabilities', |
| capabilities=[{'capability': 'events', 'state': True}]) |
| dest_vm.qmp('migrate-set-capabilities', |
| capabilities=[{'capability': 'events', 'state': True}]) |
| iotests.log(source_vm.qmp('migrate', uri='unix:{0}'.format(migration_sock_path))) |
| |
| while True: |
| event = source_vm.event_wait('MIGRATION') |
| iotests.log(event, filters=[iotests.filter_qmp_event]) |
| if event['data']['status'] in ('completed', 'failed'): |
| break |