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#!/usr/bin/env python3
# group: rw quick
#
# Test resume mirror after auto pause on ENOSPC
#
# 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 iotests
from iotests import qemu_img_create, qemu_io, file_path, filter_qmp_testfiles
iotests.script_initialize(supported_fmts=['qcow2'])
source, target = file_path('source', 'target')
size = 5 * 1024 * 1024
limit = 2 * 1024 * 1024
qemu_img_create('-f', iotests.imgfmt, source, str(size))
qemu_img_create('-f', iotests.imgfmt, target, str(size))
qemu_io('-c', 'write 0 {}'.format(size), source)
# raw format don't like empty files
qemu_io('-c', 'write 0 {}'.format(size), target)
vm = iotests.VM().add_drive(source)
vm.launch()
blockdev_opts = {
'driver': iotests.imgfmt,
'node-name': 'target',
'file': {
'driver': 'raw',
'size': limit,
'file': {
'driver': 'file',
'filename': target
}
}
}
vm.qmp_log('blockdev-add', filters=[filter_qmp_testfiles], **blockdev_opts)
vm.qmp_log('blockdev-mirror', device='drive0', sync='full', target='target',
on_target_error='enospc')
vm.event_wait('JOB_STATUS_CHANGE', timeout=3.0,
match={'data': {'status': 'paused'}})
# drop other cached events, to not interfere with further wait for 'running'
vm.get_qmp_events()
del blockdev_opts['file']['size']
vm.qmp_log('blockdev-reopen', filters=[filter_qmp_testfiles],
options = [ blockdev_opts ])
vm.qmp_log('block-job-resume', device='drive0')
vm.event_wait('JOB_STATUS_CHANGE', timeout=1.0,
match={'data': {'status': 'running'}})
vm.shutdown()
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