projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 317438e6 AG |
1 | #!/usr/bin/env python |
| 2 | # | |
| 3 | # Test that snapshots move the throttling configuration to the active | |
| 4 | # layer | |
| 5 | # | |
| 6 | # Copyright (C) 2015 Igalia, S.L. | |
| 7 | # | |
| 8 | # This program is free software; you can redistribute it and/or modify | |
| 9 | # it under the terms of the GNU General Public License as published by | |
| 10 | # the Free Software Foundation; either version 2 of the License, or | |
| 11 | # (at your option) any later version. | |
| 12 | # | |
| 13 | # This program is distributed in the hope that it will be useful, | |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | # GNU General Public License for more details. | |
| 17 | # | |
| 18 | # You should have received a copy of the GNU General Public License | |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 | # | |
| 21 | ||
| 22 | import iotests | |
| 23 | import os | |
| 24 | ||
| 25 | class TestLiveSnapshot(iotests.QMPTestCase): | |
| 26 | base_img = os.path.join(iotests.test_dir, 'base.img') | |
| 27 | target_img = os.path.join(iotests.test_dir, 'target.img') | |
| 28 | group = 'mygroup' | |
| 29 | iops = 6000 | |
| 30 | iops_size = 1024 | |
| 31 | ||
| 32 | def setUp(self): | |
| 33 | opts = [] | |
| 34 | opts.append('node-name=base') | |
| 35 | opts.append('throttling.group=%s' % self.group) | |
| 36 | opts.append('throttling.iops-total=%d' % self.iops) | |
| 37 | opts.append('throttling.iops-size=%d' % self.iops_size) | |
| 38 | iotests.qemu_img('create', '-f', iotests.imgfmt, self.base_img, '100M') | |
| 39 | self.vm = iotests.VM().add_drive(self.base_img, ','.join(opts)) | |
| 40 | self.vm.launch() | |
| 41 | ||
| 42 | def tearDown(self): | |
| 43 | self.vm.shutdown() | |
| 44 | os.remove(self.base_img) | |
| 45 | os.remove(self.target_img) | |
| 46 | ||
| 47 | def checkConfig(self, active_layer): | |
| 79c719b7 | 48 | result = self.vm.qmp('query-block') |
| 317438e6 | 49 | for r in result['return']: |
| 79c719b7 | 50 | r = r['inserted'] |
| 317438e6 AG |
51 | if r['node-name'] == active_layer: |
| 52 | self.assertEqual(r['group'], self.group) | |
| 53 | self.assertEqual(r['iops'], self.iops) | |
| 54 | self.assertEqual(r['iops_size'], self.iops_size) | |
| 55 | else: | |
| 56 | self.assertFalse(r.has_key('group')) | |
| 57 | self.assertEqual(r['iops'], 0) | |
| 58 | self.assertFalse(r.has_key('iops_size')) | |
| 59 | ||
| 60 | def testSnapshot(self): | |
| 61 | self.checkConfig('base') | |
| 62 | self.vm.qmp('blockdev-snapshot-sync', | |
| 63 | node_name = 'base', | |
| 64 | snapshot_node_name = 'target', | |
| 65 | snapshot_file = self.target_img, | |
| 66 | format = iotests.imgfmt) | |
| 67 | self.checkConfig('target') | |
| 68 | ||
| 69 | if __name__ == '__main__': | |
| 70 | iotests.main(supported_fmts=['qcow2']) |