Add test, which starts backup to nbd target and restarts nbd server during backup.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- tests/qemu-iotests/257 | 63 +++++++++++++++++++++++++++++++++++ tests/qemu-iotests/257.out | 10 ++++++ tests/qemu-iotests/group | 1 + tests/qemu-iotests/iotests.py | 4 +++ 4 files changed, 78 insertions(+) create mode 100755 tests/qemu-iotests/257 create mode 100644 tests/qemu-iotests/257.out diff --git a/tests/qemu-iotests/257 b/tests/qemu-iotests/257 new file mode 100755 index 0000000000..a29a276207 --- /dev/null +++ b/tests/qemu-iotests/257 @@ -0,0 +1,63 @@ +#!/usr/bin/env python +# +# Test nbd reconnect +# +# Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved. +# +# 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/>. +# + +import time + +import iotests +from iotests import qemu_img_create, file_path, qemu_nbd_popen, log + +disk_a, disk_b, nbd_sock = file_path('disk_a', 'disk_b', 'nbd-sock') + +qemu_img_create('-f', iotests.imgfmt, disk_a, '5M') +qemu_img_create('-f', iotests.imgfmt, disk_b, '5M') +srv = qemu_nbd_popen('-k', nbd_sock, '-f', iotests.imgfmt, disk_b) +time.sleep(1) + +vm = iotests.VM().add_drive(disk_a) +vm.launch() +vm.hmp_qemu_io('drive0', 'write 0 5M') + +vm.qmp_log('blockdev-add', filters=[iotests.filter_qmp_testfiles], + **{'node_name': 'backup0', + 'driver': 'raw', + 'file': {'driver': 'nbd', + 'server': {'type': 'unix', 'path': nbd_sock}, + 'reconnect-delay': 10}}) +vm.qmp_log('blockdev-backup', device='drive0', sync='full', target='backup0') + +time.sleep(1) +log('Kill NBD server') +srv.kill() + +jobs = vm.qmp('query-block-jobs')['return'] +if jobs and jobs[0]['offset'] < jobs[0]['len']: + log('Backup job is still in progress') + +time.sleep(1) + +log('Start NBD server') +srv = qemu_nbd_popen('-k', nbd_sock, '-f', iotests.imgfmt, disk_b) + +e = vm.event_wait('BLOCK_JOB_COMPLETED') +log('Backup completed: {}'.format(e['data']['offset'])) + +vm.qmp_log('blockdev-del', node_name='backup0') +srv.kill() +vm.shutdown() diff --git a/tests/qemu-iotests/257.out b/tests/qemu-iotests/257.out new file mode 100644 index 0000000000..15a82ddefb --- /dev/null +++ b/tests/qemu-iotests/257.out @@ -0,0 +1,10 @@ +{"execute": "blockdev-add", "arguments": {"driver": "raw", "file": {"driver": "nbd", "reconnect-delay": 10, "server": {"path": "TEST_DIR/PID-nbd-sock", "type": "unix"}}, "node-name": "backup0"}} +{"return": {}} +{"execute": "blockdev-backup", "arguments": {"device": "drive0", "sync": "full", "target": "backup0"}} +{"return": {}} +Kill NBD server +Backup job is still in progress +Start NBD server +Backup completed: 5242880 +{"execute": "blockdev-del", "arguments": {"node-name": "backup0"}} +{"return": {}} diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index b34c8e3c0c..00fbfefc8e 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -269,3 +269,4 @@ 254 rw auto backing quick 255 rw auto quick 256 rw auto quick +257 rw auto quick diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 3ecef5bc90..3c77950877 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -226,6 +226,10 @@ def qemu_nbd_early_pipe(*args): else: return exitcode, subp.communicate()[0] +def qemu_nbd_popen(*args): + '''Run qemu-nbd in daemon mode and return the parent's exit code''' + return subprocess.Popen(qemu_nbd_args + ['--persistent'] + list(args)) + def compare_images(img1, img2, fmt1=imgfmt, fmt2=imgfmt): '''Return True if two image files are identical''' return qemu_img('compare', '-f', fmt1, -- 2.18.0
