iotests: add 248: test resume mirror after auto pause on ENOSPC

Test that mirror job actually resume on resume command after being
automatically paused on ENOSPC error.

It's a follow-up test for 8d9648cbf3
    "blockjob: fix user pause in block_job_error_action"

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Tested-by: John Snow <jsnow@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2019-03-20 14:59:37 +03:00 committed by Kevin Wolf
parent 527266f324
commit a66c4b83c9
3 changed files with 80 additions and 0 deletions

71
tests/qemu-iotests/248 Executable file
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@ -0,0 +1,71 @@
#!/usr/bin/env python
#
# 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.verify_image_format(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('x-blockdev-reopen', filters=[filter_qmp_testfiles],
**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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{"execute": "blockdev-add", "arguments": {"driver": "qcow2", "file": {"driver": "raw", "file": {"driver": "file", "filename": "TEST_DIR/PID-target"}, "size": 2097152}, "node-name": "target"}}
{"return": {}}
{"execute": "blockdev-mirror", "arguments": {"device": "drive0", "on-target-error": "enospc", "sync": "full", "target": "target"}}
{"return": {}}
{"execute": "x-blockdev-reopen", "arguments": {"driver": "qcow2", "file": {"driver": "raw", "file": {"driver": "file", "filename": "TEST_DIR/PID-target"}}, "node-name": "target"}}
{"return": {}}
{"execute": "block-job-resume", "arguments": {"device": "drive0"}}
{"return": {}}

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@ -246,3 +246,4 @@
245 rw auto
246 rw auto quick
247 rw auto quick
248 rw auto quick