qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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      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 
     24 import iotests
     25 
     26 iotests.script_initialize(supported_fmts=['generic'])
     27 
     28 with 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'))