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103cbc771e
Most of our Python unittest-style tests only support the file protocol. You can run them with any other protocol, but the test will simply ignore your choice and use file anyway. We should let them signal that they require the file protocol so they are skipped when you want to test some other protocol. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
72 lines
2.5 KiB
Python
Executable File
72 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Test that snapshots move the throttling configuration to the active
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# layer
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#
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# Copyright (C) 2015 Igalia, S.L.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import iotests
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import os
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class TestLiveSnapshot(iotests.QMPTestCase):
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base_img = os.path.join(iotests.test_dir, 'base.img')
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target_img = os.path.join(iotests.test_dir, 'target.img')
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group = 'mygroup'
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iops = 6000
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iops_size = 1024
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def setUp(self):
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opts = []
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opts.append('node-name=base')
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opts.append('throttling.group=%s' % self.group)
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opts.append('throttling.iops-total=%d' % self.iops)
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opts.append('throttling.iops-size=%d' % self.iops_size)
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iotests.qemu_img('create', '-f', iotests.imgfmt, self.base_img, '100M')
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self.vm = iotests.VM().add_drive(self.base_img, ','.join(opts))
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(self.base_img)
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os.remove(self.target_img)
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def checkConfig(self, active_layer):
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result = self.vm.qmp('query-block')
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for r in result['return']:
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r = r['inserted']
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if r['node-name'] == active_layer:
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self.assertEqual(r['group'], self.group)
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self.assertEqual(r['iops'], self.iops)
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self.assertEqual(r['iops_size'], self.iops_size)
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else:
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self.assertFalse('group' in r)
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self.assertEqual(r['iops'], 0)
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self.assertFalse('iops_size' in r)
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def testSnapshot(self):
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self.checkConfig('base')
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self.vm.qmp('blockdev-snapshot-sync',
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node_name = 'base',
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snapshot_node_name = 'target',
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snapshot_file = self.target_img,
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format = iotests.imgfmt)
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self.checkConfig('target')
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if __name__ == '__main__':
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iotests.main(supported_fmts=['qcow2'],
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supported_protocols=['file'])
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