mirror of https://gitee.com/openkylin/qemu.git
115 lines
4.0 KiB
Python
Executable File
115 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#
|
|
# Test persistent bitmap resizing.
|
|
#
|
|
# 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 iotests
|
|
from iotests import log
|
|
|
|
iotests.verify_image_format(supported_fmts=['qcow2'])
|
|
size = 64 * 1024 * 1024 * 1024
|
|
gran_small = 32 * 1024
|
|
gran_large = 128 * 1024
|
|
|
|
def query_bitmaps(vm):
|
|
res = vm.qmp("query-block")
|
|
return { "bitmaps": { device['device']: device.get('dirty-bitmaps', []) for
|
|
device in res['return'] } }
|
|
|
|
with iotests.FilePath('img') as img_path, \
|
|
iotests.VM() as vm:
|
|
|
|
log('--- Preparing image & VM ---\n')
|
|
iotests.qemu_img_create('-f', iotests.imgfmt, img_path, str(size))
|
|
vm.add_drive(img_path)
|
|
|
|
|
|
log('--- 1st Boot (Establish Baseline Image) ---\n')
|
|
vm.launch()
|
|
|
|
log('\n--- Adding bitmaps Small, Medium, Large, and Transient ---\n')
|
|
vm.qmp_log("block-dirty-bitmap-add", node="drive0",
|
|
name="Small", granularity=gran_small, persistent=True)
|
|
vm.qmp_log("block-dirty-bitmap-add", node="drive0",
|
|
name="Medium", persistent=True)
|
|
vm.qmp_log("block-dirty-bitmap-add", node="drive0",
|
|
name="Large", granularity=gran_large, persistent=True)
|
|
vm.qmp_log("block-dirty-bitmap-add", node="drive0",
|
|
name="Transient", persistent=False)
|
|
|
|
log('--- Forcing flush of bitmaps to disk ---\n')
|
|
log(query_bitmaps(vm), indent=2)
|
|
vm.shutdown()
|
|
|
|
|
|
log('--- 2nd Boot (Grow Image) ---\n')
|
|
vm.launch()
|
|
log(query_bitmaps(vm), indent=2)
|
|
|
|
log('--- Adding new bitmap, growing image, and adding 2nd new bitmap ---')
|
|
vm.qmp_log("block-dirty-bitmap-add", node="drive0",
|
|
name="New", persistent=True)
|
|
vm.qmp_log("human-monitor-command",
|
|
command_line="block_resize drive0 70G")
|
|
vm.qmp_log("block-dirty-bitmap-add", node="drive0",
|
|
name="Newtwo", persistent=True)
|
|
log(query_bitmaps(vm), indent=2)
|
|
|
|
log('--- Forcing flush of bitmaps to disk ---\n')
|
|
vm.shutdown()
|
|
|
|
|
|
log('--- 3rd Boot (Shrink Image) ---\n')
|
|
vm.launch()
|
|
log(query_bitmaps(vm), indent=2)
|
|
|
|
log('--- Adding "NewB" bitmap, removing "New" bitmap ---')
|
|
vm.qmp_log("block-dirty-bitmap-add", node="drive0",
|
|
name="NewB", persistent=True)
|
|
vm.qmp_log("block-dirty-bitmap-remove", node="drive0",
|
|
name="New")
|
|
|
|
log('--- Truncating image ---\n')
|
|
vm.qmp_log("human-monitor-command",
|
|
command_line="block_resize drive0 50G")
|
|
|
|
log('--- Adding "NewC" bitmap, removing "NewTwo" bitmap ---')
|
|
vm.qmp_log("block-dirty-bitmap-add", node="drive0",
|
|
name="NewC", persistent=True)
|
|
vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Newtwo")
|
|
|
|
log('--- Forcing flush of bitmaps to disk ---\n')
|
|
vm.shutdown()
|
|
|
|
|
|
log('--- 4th Boot (Verification and Cleanup) ---\n')
|
|
vm.launch()
|
|
log(query_bitmaps(vm), indent=2)
|
|
|
|
log('--- Removing all Bitmaps ---\n')
|
|
vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Small")
|
|
vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Medium")
|
|
vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Large")
|
|
vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="NewB")
|
|
vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="NewC")
|
|
log(query_bitmaps(vm), indent=2)
|
|
|
|
log('\n--- Done ---')
|
|
vm.shutdown()
|