iotests: add iotest 256 for testing blockdev-backup across iothread contexts

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>
This commit is contained in:
John Snow 2019-05-23 13:06:43 -04:00 committed by Max Reitz
parent d6a79af0e6
commit ba7704f222
3 changed files with 242 additions and 0 deletions

122
tests/qemu-iotests/256 Executable file
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#!/usr/bin/env python
#
# Test incremental/backup across iothread contexts
#
# Copyright (c) 2019 John Snow for Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# owner=jsnow@redhat.com
import os
import iotests
from iotests import log
iotests.verify_image_format(supported_fmts=['qcow2'])
size = 64 * 1024 * 1024
with iotests.FilePath('img0') as img0_path, \
iotests.FilePath('img1') as img1_path, \
iotests.FilePath('img0-full') as img0_full_path, \
iotests.FilePath('img1-full') as img1_full_path, \
iotests.FilePath('img0-incr') as img0_incr_path, \
iotests.FilePath('img1-incr') as img1_incr_path, \
iotests.VM() as vm:
def create_target(filepath, name, size):
basename = os.path.basename(filepath)
nodename = "file_{}".format(basename)
log(vm.command('blockdev-create', job_id='job1',
options={
'driver': 'file',
'filename': filepath,
'size': 0,
}))
vm.run_job('job1')
log(vm.command('blockdev-add', driver='file',
node_name=nodename, filename=filepath))
log(vm.command('blockdev-create', job_id='job2',
options={
'driver': iotests.imgfmt,
'file': nodename,
'size': size,
}))
vm.run_job('job2')
log(vm.command('blockdev-add', driver=iotests.imgfmt,
node_name=name,
file=nodename))
log('--- Preparing images & VM ---\n')
vm.add_object('iothread,id=iothread0')
vm.add_object('iothread,id=iothread1')
vm.add_device('virtio-scsi-pci,id=scsi0,iothread=iothread0')
vm.add_device('virtio-scsi-pci,id=scsi1,iothread=iothread1')
iotests.qemu_img_create('-f', iotests.imgfmt, img0_path, str(size))
iotests.qemu_img_create('-f', iotests.imgfmt, img1_path, str(size))
vm.add_drive(img0_path, interface='none')
vm.add_device('scsi-hd,id=device0,drive=drive0,bus=scsi0.0')
vm.add_drive(img1_path, interface='none')
vm.add_device('scsi-hd,id=device1,drive=drive1,bus=scsi1.0')
log('--- Starting VM ---\n')
vm.launch()
log('--- Create Targets & Full Backups ---\n')
create_target(img0_full_path, 'img0-full', size)
create_target(img1_full_path, 'img1-full', size)
ret = vm.qmp_log('transaction', indent=2, actions=[
{ 'type': 'block-dirty-bitmap-add',
'data': { 'node': 'drive0', 'name': 'bitmap0' }},
{ 'type': 'block-dirty-bitmap-add',
'data': { 'node': 'drive1', 'name': 'bitmap1' }},
{ 'type': 'blockdev-backup',
'data': { 'device': 'drive0',
'target': 'img0-full',
'sync': 'full',
'job-id': 'j0' }},
{ 'type': 'blockdev-backup',
'data': { 'device': 'drive1',
'target': 'img1-full',
'sync': 'full',
'job-id': 'j1' }}
])
if "error" in ret:
raise Exception(ret['error']['desc'])
vm.run_job('j0', auto_dismiss=True)
vm.run_job('j1', auto_dismiss=True)
log('\n--- Create Targets & Incremental Backups ---\n')
create_target(img0_incr_path, 'img0-incr', size)
create_target(img1_incr_path, 'img1-incr', size)
ret = vm.qmp_log('transaction', indent=2, actions=[
{ 'type': 'blockdev-backup',
'data': { 'device': 'drive0',
'target': 'img0-incr',
'sync': 'incremental',
'bitmap': 'bitmap0',
'job-id': 'j2' }},
{ 'type': 'blockdev-backup',
'data': { 'device': 'drive1',
'target': 'img1-incr',
'sync': 'incremental',
'bitmap': 'bitmap1',
'job-id': 'j3' }}
])
if "error" in ret:
raise Exception(ret['error']['desc'])
vm.run_job('j2', auto_dismiss=True)
vm.run_job('j3', auto_dismiss=True)
log('\n--- Done ---')
vm.shutdown()

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tests/qemu-iotests/256.out Normal file
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--- Preparing images & VM ---
--- Starting VM ---
--- Create Targets & Full Backups ---
{}
{"execute": "job-dismiss", "arguments": {"id": "job1"}}
{"return": {}}
{}
{}
{"execute": "job-dismiss", "arguments": {"id": "job2"}}
{"return": {}}
{}
{}
{"execute": "job-dismiss", "arguments": {"id": "job1"}}
{"return": {}}
{}
{}
{"execute": "job-dismiss", "arguments": {"id": "job2"}}
{"return": {}}
{}
{
"execute": "transaction",
"arguments": {
"actions": [
{
"data": {
"name": "bitmap0",
"node": "drive0"
},
"type": "block-dirty-bitmap-add"
},
{
"data": {
"name": "bitmap1",
"node": "drive1"
},
"type": "block-dirty-bitmap-add"
},
{
"data": {
"device": "drive0",
"job-id": "j0",
"sync": "full",
"target": "img0-full"
},
"type": "blockdev-backup"
},
{
"data": {
"device": "drive1",
"job-id": "j1",
"sync": "full",
"target": "img1-full"
},
"type": "blockdev-backup"
}
]
}
}
{
"return": {}
}
{"data": {"device": "j0", "len": 67108864, "offset": 67108864, "speed": 0, "type": "backup"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"data": {"device": "j1", "len": 67108864, "offset": 67108864, "speed": 0, "type": "backup"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
--- Create Targets & Incremental Backups ---
{}
{"execute": "job-dismiss", "arguments": {"id": "job1"}}
{"return": {}}
{}
{}
{"execute": "job-dismiss", "arguments": {"id": "job2"}}
{"return": {}}
{}
{}
{"execute": "job-dismiss", "arguments": {"id": "job1"}}
{"return": {}}
{}
{}
{"execute": "job-dismiss", "arguments": {"id": "job2"}}
{"return": {}}
{}
{
"execute": "transaction",
"arguments": {
"actions": [
{
"data": {
"bitmap": "bitmap0",
"device": "drive0",
"job-id": "j2",
"sync": "incremental",
"target": "img0-incr"
},
"type": "blockdev-backup"
},
{
"data": {
"bitmap": "bitmap1",
"device": "drive1",
"job-id": "j3",
"sync": "incremental",
"target": "img1-incr"
},
"type": "blockdev-backup"
}
]
}
}
{
"return": {}
}
{"data": {"device": "j2", "len": 67108864, "offset": 67108864, "speed": 0, "type": "backup"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"data": {"device": "j3", "len": 67108864, "offset": 67108864, "speed": 0, "type": "backup"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
--- Done ---

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@ -267,3 +267,4 @@
253 rw auto quick 253 rw auto quick
254 rw auto backing quick 254 rw auto backing quick
255 rw auto quick 255 rw auto quick
256 rw auto quick