1#!/usr/bin/env python3 2# group: rw quick 3# 4# Copyright (C) 2018 Red Hat, Inc. 5# 6# This program is free software; you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation; either version 2 of the License, or 9# (at your option) any later version. 10# 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <http://www.gnu.org/licenses/>. 18# 19# Creator/Owner: Stefan Hajnoczi <stefanha@redhat.com> 20# 21# Check that the runtime NBD server does not crash when stopped after 22# blockdev-snapshot-sync. 23 24import iotests 25 26iotests.script_initialize(supported_fmts=['generic']) 27 28with iotests.FilePath('disk.img') as disk_img_path, \ 29 iotests.FilePath('disk-snapshot.img') as disk_snapshot_img_path, \ 30 iotests.FilePath('nbd.sock', base_dir=iotests.sock_dir) as nbd_sock_path, \ 31 iotests.VM() as vm: 32 33 img_size = '10M' 34 iotests.qemu_img_create('-f', iotests.imgfmt, disk_img_path, img_size) 35 36 iotests.log('Launching VM...') 37 (vm.add_drive(disk_img_path, 'node-name=drive0-node', interface='none') 38 .launch()) 39 40 iotests.log('Starting NBD server...') 41 iotests.log(vm.qmp('nbd-server-start', addr={ 42 "type": "unix", 43 "data": { 44 "path": nbd_sock_path, 45 } 46 })) 47 48 iotests.log('Adding NBD export...') 49 iotests.log(vm.qmp('nbd-server-add', device='drive0-node', writable=True)) 50 51 iotests.log('Creating external snapshot...') 52 iotests.log(vm.qmp('blockdev-snapshot-sync', 53 node_name='drive0-node', 54 snapshot_node_name='drive0-snapshot-node', 55 snapshot_file=disk_snapshot_img_path)) 56 57 iotests.log('Stopping NBD server...') 58 iotests.log(vm.qmp('nbd-server-stop')) 59