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/220 | 67 +++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/220.out | 7 +++++ tests/qemu-iotests/group | 1 + tests/qemu-iotests/iotests.py | 4 +++ 4 files changed, 79 insertions(+) create mode 100755 tests/qemu-iotests/220 create mode 100644 tests/qemu-iotests/220.out diff --git a/tests/qemu-iotests/220 b/tests/qemu-iotests/220 new file mode 100755 index 0000000000..c9702a7dad --- /dev/null +++ b/tests/qemu-iotests/220 @@ -0,0 +1,67 @@ +#!/usr/bin/env python +# +# Test nbd reconnect +# +# Copyright (c) 2018 Virtuozzo International GmbH +# +# 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 + +disk_a, disk_b, nbd_sock = file_path('disk_a', 'disk_b', 'nbd-sock') +nbd_uri = 'nbd+unix:///exp?socket=' + 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, '-x', 'exp', '-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') + +print 'blockdev-add:', vm.qmp('blockdev-add', node_name='backup0', driver='raw', + file={'driver':'nbd', + 'export': 'exp', + 'server': {'type': 'unix', + 'path': nbd_sock}}) +print 'blockdev-backup:', vm.qmp('blockdev-backup', device='drive0', + sync='full', target='backup0') + +time.sleep(1) +print 'Kill NBD server' +srv.kill() + +jobs = vm.qmp('query-block-jobs')['return'] +if jobs and jobs[0]['offset'] < jobs[0]['len']: + print 'Backup job is still in progress' + +time.sleep(1) + +print 'Start NBD server' +srv = qemu_nbd_popen('-k', nbd_sock, '-x', 'exp', '-f', iotests.imgfmt, disk_b) + +try: + e = vm.event_wait('BLOCK_JOB_COMPLETED') + print e['event'], ':', e['data'] +except: + pass + +print 'blockdev-del:', vm.qmp('blockdev-del', node_name='backup0') +srv.kill() +vm.shutdown() diff --git a/tests/qemu-iotests/220.out b/tests/qemu-iotests/220.out new file mode 100644 index 0000000000..dae1a49d9f --- /dev/null +++ b/tests/qemu-iotests/220.out @@ -0,0 +1,7 @@ +blockdev-add: {u'return': {}} +blockdev-backup: {u'return': {}} +Kill NBD server +Backup job is still in progress +Start NBD server +BLOCK_JOB_COMPLETED : {u'device': u'drive0', u'type': u'backup', u'speed': 0, u'len': 5242880, u'offset': 5242880} +blockdev-del: {u'return': {}} diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index b973dc842d..ee2473c6a3 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -219,6 +219,7 @@ 217 rw auto quick 218 rw auto quick 219 rw auto +220 rw auto quick 221 rw auto quick 222 rw auto quick 223 rw auto quick diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 4e67fbbe96..17bc8c8e32 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -185,6 +185,10 @@ def qemu_nbd(*args): '''Run qemu-nbd in daemon mode and return the parent's exit code''' return subprocess.call(qemu_nbd_args + ['--fork'] + list(args)) +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, -- 2.11.1
