139 lines
3.8 KiB
Plaintext
139 lines
3.8 KiB
Plaintext
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#!/usr/bin/env python
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#
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# This test covers what happens when a mirror block job is cancelled
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# in various phases of its existence.
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#
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# Note that this test only checks the emitted events (i.e.
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# BLOCK_JOB_COMPLETED vs. BLOCK_JOB_CANCELLED), it does not compare
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# whether the target is in sync with the source when the
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# BLOCK_JOB_COMPLETED event occurs. This is covered by other tests
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# (such as 041).
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#
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# Copyright (C) 2018 Red Hat, Inc.
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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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# Creator/Owner: Max Reitz <mreitz@redhat.com>
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import iotests
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from iotests import log
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iotests.verify_platform(['linux'])
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# Launches the VM, adds two null-co nodes (source and target), and
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# starts a blockdev-mirror job on them.
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#
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# Either both or none of speed and buf_size must be given.
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def start_mirror(vm, speed=None, buf_size=None):
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vm.launch()
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ret = vm.qmp('blockdev-add',
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node_name='source',
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driver='null-co',
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size=1048576)
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assert ret['return'] == {}
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ret = vm.qmp('blockdev-add',
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node_name='target',
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driver='null-co',
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size=1048576)
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assert ret['return'] == {}
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if speed is not None:
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ret = vm.qmp('blockdev-mirror',
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job_id='mirror',
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device='source',
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target='target',
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sync='full',
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speed=speed,
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buf_size=buf_size)
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else:
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ret = vm.qmp('blockdev-mirror',
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job_id='mirror',
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device='source',
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target='target',
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sync='full')
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assert ret['return'] == {}
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log('')
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log('=== Cancel mirror job before convergence ===')
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log('')
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log('--- force=false ---')
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log('')
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with iotests.VM() as vm:
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# Low speed so it does not converge
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start_mirror(vm, 65536, 65536)
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log('Cancelling job')
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log(vm.qmp('block-job-cancel', device='mirror', force=False))
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log(vm.event_wait('BLOCK_JOB_CANCELLED'),
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filters=[iotests.filter_qmp_event])
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log('')
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log('--- force=true ---')
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log('')
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with iotests.VM() as vm:
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# Low speed so it does not converge
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start_mirror(vm, 65536, 65536)
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log('Cancelling job')
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log(vm.qmp('block-job-cancel', device='mirror', force=True))
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log(vm.event_wait('BLOCK_JOB_CANCELLED'),
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filters=[iotests.filter_qmp_event])
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log('')
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log('=== Cancel mirror job after convergence ===')
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log('')
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log('--- force=false ---')
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log('')
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with iotests.VM() as vm:
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start_mirror(vm)
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log(vm.event_wait('BLOCK_JOB_READY'),
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filters=[iotests.filter_qmp_event])
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log('Cancelling job')
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log(vm.qmp('block-job-cancel', device='mirror', force=False))
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log(vm.event_wait('BLOCK_JOB_COMPLETED'),
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filters=[iotests.filter_qmp_event])
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log('')
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log('--- force=true ---')
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log('')
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with iotests.VM() as vm:
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start_mirror(vm)
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log(vm.event_wait('BLOCK_JOB_READY'),
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filters=[iotests.filter_qmp_event])
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log('Cancelling job')
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log(vm.qmp('block-job-cancel', device='mirror', force=True))
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log(vm.event_wait('BLOCK_JOB_CANCELLED'),
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filters=[iotests.filter_qmp_event])
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