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#!/usr/bin/env python
#
# Tests that "bdrv_drain_all" doesn't drain block jobs
#
# Copyright (C) 2015 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/>.
#
import os
import iotests
import time
class TestStopWithBlockJob(iotests.QMPTestCase):
test_img = os.path.join(iotests.test_dir, 'test.img')
target_img = os.path.join(iotests.test_dir, 'target.img')
base_img = os.path.join(iotests.test_dir, 'base.img')
def setUp(self):
iotests.qemu_img('create', '-f', iotests.imgfmt, self.base_img, "1G")
iotests.qemu_img('create', '-f', iotests.imgfmt, self.test_img, "-b", self.base_img)
iotests.qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x5d 1M 128M', self.test_img)
self.vm = iotests.VM().add_drive(self.test_img)
self.vm.launch()
def tearDown(self):
params = {"device": "drive0",
"bps": 0,
"bps_rd": 0,
"bps_wr": 0,
"iops": 0,
"iops_rd": 0,
"iops_wr": 0,
}
result = self.vm.qmp("block_set_io_throttle", conv_keys=False,
**params)
self.vm.shutdown()
def do_test_stop(self, cmd, **args):
"""Test 'stop' while block job is running on a throttled drive.
The 'stop' command shouldn't drain the job"""
params = {"device": "drive0",
"bps": 1024,
"bps_rd": 0,
"bps_wr": 0,
"iops": 0,
"iops_rd": 0,
"iops_wr": 0,
}
result = self.vm.qmp("block_set_io_throttle", conv_keys=False,
**params)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp(cmd, **args)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp("stop")
self.assert_qmp(result, 'return', {})
result = self.vm.qmp("query-block-jobs")
self.assert_qmp(result, 'return[0]/busy', True)
self.assert_qmp(result, 'return[0]/ready', False)
def test_drive_mirror(self):
self.do_test_stop("drive-mirror", device="drive0",
target=self.target_img,
sync="full")
def test_drive_backup(self):
self.do_test_stop("drive-backup", device="drive0",
target=self.target_img,
sync="full")
def test_block_commit(self):
self.do_test_stop("block-commit", device="drive0")
if __name__ == '__main__':
iotests.main(supported_fmts=["qcow2"],
supported_protocols=["file"])
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