1#!/usr/bin/env python 2# 3# Copyright (C) 2018 Red Hat, Inc. 4# 5# This program is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 2 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program. If not, see <http://www.gnu.org/licenses/>. 17# 18# Creator/Owner: Stefan Hajnoczi <stefanha@redhat.com> 19# 20# Check that the runtime NBD server does not crash when stopped after 21# blockdev-snapshot-sync. 22 23import iotests 24 25iotests.verify_image_format(supported_fmts=['generic']) 26 27with iotests.FilePath('disk.img') as disk_img_path, \ 28 iotests.FilePath('disk-snapshot.img') as disk_snapshot_img_path, \ 29 iotests.FilePath('nbd.sock') as nbd_sock_path, \ 30 iotests.VM() as vm: 31 32 img_size = '10M' 33 iotests.qemu_img_create('-f', iotests.imgfmt, disk_img_path, img_size) 34 35 iotests.log('Launching VM...') 36 (vm.add_drive(disk_img_path, 'node-name=drive0-node', interface='none') 37 .launch()) 38 39 iotests.log('Starting NBD server...') 40 iotests.log(vm.qmp('nbd-server-start', addr={ 41 "type": "unix", 42 "data": { 43 "path": nbd_sock_path, 44 } 45 })) 46 47 iotests.log('Adding NBD export...') 48 iotests.log(vm.qmp('nbd-server-add', device='drive0-node', writable=True)) 49 50 iotests.log('Creating external snapshot...') 51 iotests.log(vm.qmp('blockdev-snapshot-sync', 52 node_name='drive0-node', 53 snapshot_node_name='drive0-snapshot-node', 54 snapshot_file=disk_snapshot_img_path)) 55 56 iotests.log('Stopping NBD server...') 57 iotests.log(vm.qmp('nbd-server-stop')) 58