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ba7704f222
Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20190523170643.20794-6-jsnow@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> [mreitz: Moved from 250 to 256] Signed-off-by: Max Reitz <mreitz@redhat.com>
123 lines
4.7 KiB
Python
Executable File
123 lines
4.7 KiB
Python
Executable File
#!/usr/bin/env python
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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_image_format(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-pci,id=scsi0,iothread=iothread0')
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vm.add_device('virtio-scsi-pci,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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