qemu-e2k/tests/qemu-iotests/208
Nir Soffer 3192fad7f7 qemu-iotests: Merge FilePaths and FilePath
FilePath creates now one temporary file:

    with FilePath("a") as a:

Or more:

    with FilePath("a", "b", "c") as (a, b, c):

This is also the behavior of the file_path() helper, used by some of the
tests. Now we have only 2 helpers for creating temporary files instead
of 3.

Signed-off-by: Nir Soffer <nsoffer@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200828232152.205833-5-nsoffer@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-09-15 11:05:12 +02:00

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Python
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#!/usr/bin/env python3
#
# Copyright (C) 2018 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>
#
# Check that the runtime NBD server does not crash when stopped after
# blockdev-snapshot-sync.
import iotests
iotests.script_initialize(supported_fmts=['generic'])
with iotests.FilePath('disk.img') as disk_img_path, \
iotests.FilePath('disk-snapshot.img') as disk_snapshot_img_path, \
iotests.FilePath('nbd.sock', base_dir=iotests.sock_dir) as nbd_sock_path, \
iotests.VM() as vm:
img_size = '10M'
iotests.qemu_img_create('-f', iotests.imgfmt, disk_img_path, img_size)
iotests.log('Launching VM...')
(vm.add_drive(disk_img_path, 'node-name=drive0-node', interface='none')
.launch())
iotests.log('Starting NBD server...')
iotests.log(vm.qmp('nbd-server-start', addr={
"type": "unix",
"data": {
"path": nbd_sock_path,
}
}))
iotests.log('Adding NBD export...')
iotests.log(vm.qmp('nbd-server-add', device='drive0-node', writable=True))
iotests.log('Creating external snapshot...')
iotests.log(vm.qmp('blockdev-snapshot-sync',
node_name='drive0-node',
snapshot_node_name='drive0-snapshot-node',
snapshot_file=disk_snapshot_img_path))
iotests.log('Stopping NBD server...')
iotests.log(vm.qmp('nbd-server-stop'))