mirror of
https://github.com/qemu/qemu.git
synced 2025-10-31 12:07:31 +00:00
e67d8e2928
The same data is available in the 'BlockDeviceInfo' struct. Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
102 lines
4.3 KiB
Python
Executable File
102 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# group: rw migration quick
|
|
#
|
|
# Copyright (C) 2017 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/>.
|
|
#
|
|
# Creator/Owner: Stefan Hajnoczi <stefanha@redhat.com>
|
|
#
|
|
# Non-shared storage migration test using NBD server and drive-mirror
|
|
|
|
import iotests
|
|
|
|
iotests.script_initialize(supported_fmts=['qcow2', 'qed', 'raw'],
|
|
supported_platforms=['linux'])
|
|
|
|
with iotests.FilePath('source.img') as source_img_path, \
|
|
iotests.FilePath('dest.img') as dest_img_path, \
|
|
iotests.FilePath('migration.sock', 'nbd.sock', base_dir=iotests.sock_dir) \
|
|
as (migration_sock_path, nbd_sock_path), \
|
|
iotests.VM('source') as source_vm, \
|
|
iotests.VM('dest') as dest_vm:
|
|
|
|
img_size = '1G'
|
|
iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, source_img_path, img_size)
|
|
iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, dest_img_path, img_size)
|
|
|
|
iotests.log('Launching VMs...')
|
|
(source_vm.add_drive(source_img_path)
|
|
.launch())
|
|
(dest_vm.add_drive(dest_img_path)
|
|
.add_incoming('unix:{0}'.format(migration_sock_path))
|
|
.launch())
|
|
|
|
source_vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0')
|
|
|
|
iotests.log('Launching NBD server on destination...')
|
|
iotests.log(dest_vm.qmp('nbd-server-start', addr={'type': 'unix', 'data': {'path': nbd_sock_path}}))
|
|
iotests.log(dest_vm.qmp('nbd-server-add', device='drive0', writable=True))
|
|
|
|
iotests.log('Starting `drive-mirror` on source...')
|
|
iotests.log(source_vm.qmp(
|
|
'drive-mirror',
|
|
device='drive0',
|
|
target='nbd+unix:///drive0?socket={0}'.format(nbd_sock_path),
|
|
sync='full',
|
|
format='raw', # always raw, the server handles the format
|
|
mode='existing',
|
|
job_id='mirror-job0'))
|
|
|
|
iotests.log('Waiting for `drive-mirror` to complete...')
|
|
iotests.log(source_vm.event_wait('BLOCK_JOB_READY'),
|
|
filters=[iotests.filter_qmp_event])
|
|
|
|
iotests.log('Starting migration...')
|
|
capabilities = [{'capability': 'events', 'state': True},
|
|
{'capability': 'dirty-bitmaps', 'state': True}]
|
|
source_vm.qmp('migrate-set-capabilities', capabilities=capabilities)
|
|
dest_vm.qmp('migrate-set-capabilities', capabilities=capabilities)
|
|
iotests.log(source_vm.qmp('migrate', uri='unix:{0}'.format(migration_sock_path)))
|
|
|
|
source_vm.qmp_log('migrate-start-postcopy')
|
|
|
|
while True:
|
|
event1 = source_vm.event_wait('MIGRATION')
|
|
iotests.log(event1, filters=[iotests.filter_qmp_event])
|
|
if event1['data']['status'] in ('completed', 'failed'):
|
|
iotests.log('Gracefully ending the `drive-mirror` job on source...')
|
|
iotests.log(source_vm.qmp('block-job-cancel', device='mirror-job0'))
|
|
break
|
|
|
|
while True:
|
|
event2 = source_vm.event_wait('BLOCK_JOB_COMPLETED')
|
|
iotests.log(event2, filters=[iotests.filter_qmp_event])
|
|
if event2['event'] == 'BLOCK_JOB_COMPLETED':
|
|
iotests.log('Stopping the NBD server on destination...')
|
|
iotests.log(dest_vm.qmp('nbd-server-stop'))
|
|
break
|
|
|
|
iotests.log('Wait for migration completion on target...')
|
|
migr_events = (('MIGRATION', {'data': {'status': 'completed'}}),
|
|
('MIGRATION', {'data': {'status': 'failed'}}))
|
|
event = dest_vm.events_wait(migr_events)
|
|
iotests.log(event, filters=[iotests.filter_qmp_event])
|
|
|
|
iotests.log('Check bitmaps on source:')
|
|
iotests.log(source_vm.qmp('query-block')['return'][0]['inserted']['dirty-bitmaps'])
|
|
|
|
iotests.log('Check bitmaps on target:')
|
|
iotests.log(dest_vm.qmp('query-block')['return'][0]['inserted']['dirty-bitmaps'])
|