mirror of
https://gitlab.com/qemu-project/qemu
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bc05c638e5
It has no internal callers, so its only use is being called from individual test cases. If the name starts with an underscore, it is considered private and linters warn against calling it. 256 only gets away with it currently because it's on the exception list for linters. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20230525124713.401149-12-kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
126 lines
4.7 KiB
Python
Executable file
126 lines
4.7 KiB
Python
Executable file
#!/usr/bin/env python3
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# group: rw auto quick
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#
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# Test incremental/backup across iothread contexts
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#
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# Copyright (c) 2019 John Snow for 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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# owner=jsnow@redhat.com
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import os
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import iotests
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from iotests import log
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iotests.verify_virtio_scsi_pci_or_ccw()
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iotests.script_initialize(supported_fmts=['qcow2'])
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size = 64 * 1024 * 1024
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with iotests.FilePath('img0') as img0_path, \
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iotests.FilePath('img1') as img1_path, \
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iotests.FilePath('img0-full') as img0_full_path, \
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iotests.FilePath('img1-full') as img1_full_path, \
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iotests.FilePath('img0-incr') as img0_incr_path, \
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iotests.FilePath('img1-incr') as img1_incr_path, \
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iotests.VM() as vm:
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def create_target(filepath, name, size):
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basename = os.path.basename(filepath)
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nodename = "file_{}".format(basename)
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log(vm.command('blockdev-create', job_id='job1',
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options={
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'driver': 'file',
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'filename': filepath,
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'size': 0,
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}))
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vm.run_job('job1')
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log(vm.command('blockdev-add', driver='file',
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node_name=nodename, filename=filepath))
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log(vm.command('blockdev-create', job_id='job2',
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options={
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'driver': iotests.imgfmt,
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'file': nodename,
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'size': size,
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}))
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vm.run_job('job2')
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log(vm.command('blockdev-add', driver=iotests.imgfmt,
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node_name=name,
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file=nodename))
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log('--- Preparing images & VM ---\n')
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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_device('virtio-scsi,id=scsi0,iothread=iothread0')
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vm.add_device('virtio-scsi,id=scsi1,iothread=iothread1')
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iotests.qemu_img_create('-f', iotests.imgfmt, img0_path, str(size))
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iotests.qemu_img_create('-f', iotests.imgfmt, img1_path, str(size))
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vm.add_drive(img0_path, interface='none')
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vm.add_device('scsi-hd,id=device0,drive=drive0,bus=scsi0.0')
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vm.add_drive(img1_path, interface='none')
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vm.add_device('scsi-hd,id=device1,drive=drive1,bus=scsi1.0')
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log('--- Starting VM ---\n')
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vm.launch()
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log('--- Create Targets & Full Backups ---\n')
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create_target(img0_full_path, 'img0-full', size)
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create_target(img1_full_path, 'img1-full', size)
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ret = vm.qmp_log('transaction', indent=2, actions=[
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{ 'type': 'block-dirty-bitmap-add',
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'data': { 'node': 'drive0', 'name': 'bitmap0' }},
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{ 'type': 'block-dirty-bitmap-add',
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'data': { 'node': 'drive1', 'name': 'bitmap1' }},
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{ 'type': 'blockdev-backup',
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'data': { 'device': 'drive0',
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'target': 'img0-full',
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'sync': 'full',
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'job-id': 'j0' }},
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{ 'type': 'blockdev-backup',
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'data': { 'device': 'drive1',
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'target': 'img1-full',
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'sync': 'full',
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'job-id': 'j1' }}
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])
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if "error" in ret:
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raise Exception(ret['error']['desc'])
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vm.run_job('j0', auto_dismiss=True)
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vm.run_job('j1', auto_dismiss=True)
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log('\n--- Create Targets & Incremental Backups ---\n')
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create_target(img0_incr_path, 'img0-incr', size)
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create_target(img1_incr_path, 'img1-incr', size)
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ret = vm.qmp_log('transaction', indent=2, actions=[
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{ 'type': 'blockdev-backup',
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'data': { 'device': 'drive0',
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'target': 'img0-incr',
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'sync': 'incremental',
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'bitmap': 'bitmap0',
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'job-id': 'j2' }},
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{ 'type': 'blockdev-backup',
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'data': { 'device': 'drive1',
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'target': 'img1-incr',
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'sync': 'incremental',
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'bitmap': 'bitmap1',
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'job-id': 'j3' }}
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])
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if "error" in ret:
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raise Exception(ret['error']['desc'])
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vm.run_job('j2', auto_dismiss=True)
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vm.run_job('j3', auto_dismiss=True)
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log('\n--- Done ---')
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vm.shutdown()
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