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d21471696b
Passing fixed-iothread=true should make iothread conflicts fatal, whereas fixed-iothread=false should not. Combine the second case with an error condition that is checked after the iothread is handled, to verify that qemu does not crash if there is such an error after changing the iothread failed. Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20210624083825.29224-3-mreitz@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Tested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
147 lines
5.4 KiB
Python
Executable File
147 lines
5.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# group: rw quick export
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#
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# Copyright (C) 2020 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: Kevin Wolf <kwolf@redhat.com>
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#
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# Test the block export QAPI interfaces
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import iotests
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import os
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# Need a writable image format (but not vpc, which rounds the image size, nor
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# luks which requires special command lines)
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iotests.script_initialize(
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supported_fmts=['generic'],
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unsupported_fmts=['luks', 'vpc'],
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supported_platforms=['linux'],
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)
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with iotests.FilePath('image') as img, \
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iotests.FilePath('socket', base_dir=iotests.sock_dir) as socket, \
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iotests.VM() as vm:
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iotests.qemu_img('create', '-f', iotests.imgfmt, img, '64M')
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iotests.qemu_io_log('-f', iotests.imgfmt, '-c', 'write -P 0x11 0 4k', img)
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iotests.log('=== Launch VM ===')
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vm.add_object('iothread,id=iothread0')
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vm.add_object('iothread,id=iothread1')
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vm.add_blockdev(f'file,filename={img},node-name=file')
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vm.add_blockdev(f'{iotests.imgfmt},file=file,node-name=fmt')
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vm.add_blockdev('raw,file=file,node-name=ro,read-only=on')
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vm.add_blockdev('null-co,node-name=null')
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vm.add_device(f'id=scsi0,driver=virtio-scsi,iothread=iothread0')
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vm.launch()
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vm.qmp_log('nbd-server-start',
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addr={'type': 'unix', 'data': {'path': socket}},
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filters=(iotests.filter_qmp_testfiles, ))
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vm.qmp_log('query-block-exports')
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iotests.log('\n=== Create a read-only NBD export ===')
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vm.qmp_log('block-export-add', id='export0', type='nbd', node_name='fmt')
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vm.qmp_log('query-block-exports')
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iotests.qemu_nbd_list_log('-k', socket)
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iotests.log('\n=== Try a few invalid things ===')
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vm.qmp_log('block-export-add', id='#invalid', type='nbd', node_name='fmt')
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vm.qmp_log('block-export-add', id='export0', type='nbd', node_name='fmt')
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vm.qmp_log('block-export-add', id='export1', type='nbd', node_name='ro',
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writable=True)
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vm.qmp_log('block-export-del', id='export1')
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vm.qmp_log('query-block-exports')
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iotests.log('\n=== Move export to an iothread ===')
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vm.qmp_log('device_add', id='sda', driver='scsi-hd', drive='fmt')
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vm.qmp_log('query-block-exports')
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iotests.qemu_nbd_list_log('-k', socket)
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iotests.log('\n=== Add export with conflicting iothread ===')
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vm.qmp_log('device_add', id='sdb', driver='scsi-hd', drive='null')
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# Should fail because of fixed-iothread
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vm.qmp_log('block-export-add', id='export1', type='nbd', node_name='null',
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iothread='iothread1', fixed_iothread=True, writable=True)
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# Should ignore the iothread conflict, but then fail because of the
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# permission conflict (and not crash)
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vm.qmp_log('block-export-add', id='export1', type='nbd', node_name='null',
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iothread='iothread1', fixed_iothread=False, writable=True)
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iotests.log('\n=== Add a writable export ===')
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# This fails because share-rw=off
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vm.qmp_log('block-export-add', id='export1', type='nbd', node_name='fmt',
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name='export1', writable=True, writethrough=True,
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description='This is the writable second export')
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vm.qmp_log('device_del', id='sda')
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event = vm.event_wait(name="DEVICE_DELETED",
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match={'data': {'device': 'sda'}})
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iotests.log(event, filters=[iotests.filter_qmp_event])
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vm.qmp_log('device_add', id='sda', driver='scsi-hd', drive='fmt',
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share_rw=True)
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# Now it should work
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vm.qmp_log('block-export-add', id='export1', type='nbd', node_name='fmt',
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name='export1', writable=True, writethrough=True,
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description='This is the writable second export')
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vm.qmp_log('query-block-exports')
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iotests.qemu_nbd_list_log('-k', socket)
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iotests.log('\n=== Connect qemu-io to export1, try removing exports ===')
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nbd_url = f'nbd+unix:///export1?socket={socket}'
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qemu_io = iotests.QemuIoInteractive('-f', 'raw', nbd_url)
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iotests.log(qemu_io.cmd('read -P 0x11 0 4k'),
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filters=[iotests.filter_qemu_io])
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iotests.log(qemu_io.cmd('write -P 0x22 4k 4k'),
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filters=[iotests.filter_qemu_io])
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vm.qmp_log('block-export-del', id='export1')
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vm.qmp_log('block-export-del', id='export0')
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iotests.log(vm.get_qmp_events_filtered())
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qemu_io.close()
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vm.qmp_log('query-block-exports')
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iotests.qemu_nbd_list_log('-k', socket)
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iotests.log('\n=== Connect qemu-io again, try force removing ===')
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qemu_io = iotests.QemuIoInteractive('-f', 'raw', nbd_url)
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vm.qmp_log('block-export-del', id='export1')
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vm.qmp_log('block-export-del', id='export1', mode='hard')
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# This should fail now
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iotests.log(qemu_io.cmd('read -P 0x11 0 4k'))
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qemu_io.close()
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vm.qmp_log('query-block-exports')
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iotests.qemu_nbd_list_log('-k', socket)
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iotests.log('\n=== Shut down QEMU ===')
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vm.shutdown()
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