forked from mirror/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
#!/usr/bin/env python3
|
|
# group: rw quick
|
|
#
|
|
# Test that snapshots move the throttling configuration to the active
|
|
# layer
|
|
#
|
|
# Copyright (C) 2015 Igalia, S.L.
|
|
#
|
|
# 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
|
|
import os
|
|
|
|
class TestLiveSnapshot(iotests.QMPTestCase):
|
|
base_img = os.path.join(iotests.test_dir, 'base.img')
|
|
target_img = os.path.join(iotests.test_dir, 'target.img')
|
|
group = 'mygroup'
|
|
iops = 6000
|
|
iops_size = 1024
|
|
|
|
def setUp(self):
|
|
opts = []
|
|
opts.append('node-name=base')
|
|
opts.append('throttling.group=%s' % self.group)
|
|
opts.append('throttling.iops-total=%d' % self.iops)
|
|
opts.append('throttling.iops-size=%d' % self.iops_size)
|
|
iotests.qemu_img('create', '-f', iotests.imgfmt, self.base_img, '100M')
|
|
self.vm = iotests.VM().add_drive(self.base_img, ','.join(opts))
|
|
self.vm.launch()
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
os.remove(self.base_img)
|
|
os.remove(self.target_img)
|
|
|
|
def checkConfig(self, active_layer):
|
|
result = self.vm.qmp('query-block')
|
|
for r in result['return']:
|
|
r = r['inserted']
|
|
if r['node-name'] == active_layer:
|
|
self.assertEqual(r['group'], self.group)
|
|
self.assertEqual(r['iops'], self.iops)
|
|
self.assertEqual(r['iops_size'], self.iops_size)
|
|
else:
|
|
self.assertFalse('group' in r)
|
|
self.assertEqual(r['iops'], 0)
|
|
self.assertFalse('iops_size' in r)
|
|
|
|
def testSnapshot(self):
|
|
self.checkConfig('base')
|
|
self.vm.qmp('blockdev-snapshot-sync',
|
|
node_name = 'base',
|
|
snapshot_node_name = 'target',
|
|
snapshot_file = self.target_img,
|
|
format = iotests.imgfmt)
|
|
self.checkConfig('target')
|
|
|
|
if __name__ == '__main__':
|
|
iotests.main(supported_fmts=['qcow2'],
|
|
supported_protocols=['file'])
|