From c203c3b813be4a012b45cc6e33a2c18512071b1c Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Wed, 24 Feb 2021 13:47:07 +0300 Subject: [PATCH] iotests: add parallels-read-bitmap test Test support for reading bitmap from parallels image format. parallels-with-bitmap.bz2 is generated on Virtuozzo by parallels-with-bitmap.sh Signed-off-by: Vladimir Sementsov-Ogievskiy Message-Id: <20210224104707.88430-7-vsementsov@virtuozzo.com> Reviewed-by: Denis V. Lunev Signed-off-by: Kevin Wolf --- .../sample_images/parallels-with-bitmap.bz2 | Bin 0 -> 203 bytes .../sample_images/parallels-with-bitmap.sh | 51 ++++++++++++++++ .../qemu-iotests/tests/parallels-read-bitmap | 55 ++++++++++++++++++ .../tests/parallels-read-bitmap.out | 6 ++ 4 files changed, 112 insertions(+) create mode 100644 tests/qemu-iotests/sample_images/parallels-with-bitmap.bz2 create mode 100755 tests/qemu-iotests/sample_images/parallels-with-bitmap.sh create mode 100755 tests/qemu-iotests/tests/parallels-read-bitmap create mode 100644 tests/qemu-iotests/tests/parallels-read-bitmap.out diff --git a/tests/qemu-iotests/sample_images/parallels-with-bitmap.bz2 b/tests/qemu-iotests/sample_images/parallels-with-bitmap.bz2 new file mode 100644 index 0000000000000000000000000000000000000000..54892fd4d01bf743d395bd4f3d896494146ab5a9 GIT binary patch literal 203 zcmV;+05tzXT4*^jL0KkKS@=;0bpT+Hf7|^?KmNPH-R Fx`3oHQ9u9y literal 0 HcmV?d00001 diff --git a/tests/qemu-iotests/sample_images/parallels-with-bitmap.sh b/tests/qemu-iotests/sample_images/parallels-with-bitmap.sh new file mode 100755 index 0000000000..30615aa6bd --- /dev/null +++ b/tests/qemu-iotests/sample_images/parallels-with-bitmap.sh @@ -0,0 +1,51 @@ +#!/bin/bash +# +# Test parallels load bitmap +# +# Copyright (c) 2021 Virtuozzo International GmbH. +# +# 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 . +# + +CT=parallels-with-bitmap-ct +DIR=$PWD/parallels-with-bitmap-dir +IMG=$DIR/root.hds +XML=$DIR/DiskDescriptor.xml +TARGET=parallels-with-bitmap.bz2 + +rm -rf $DIR + +prlctl create $CT --vmtype ct +prlctl set $CT --device-add hdd --image $DIR --recreate --size 2G + +# cleanup the image +qemu-img create -f parallels $IMG 64G + +# create bitmap +prlctl backup $CT + +prlctl set $CT --device-del hdd1 +prlctl destroy $CT + +dev=$(ploop mount $XML | sed -n 's/^Adding delta dev=\(\/dev\/ploop[0-9]\+\).*/\1/p') +dd if=/dev/zero of=$dev bs=64K seek=5 count=2 oflag=direct +dd if=/dev/zero of=$dev bs=64K seek=30 count=1 oflag=direct +dd if=/dev/zero of=$dev bs=64K seek=10 count=3 oflag=direct +ploop umount $XML # bitmap name will be in the output + +bzip2 -z $IMG + +mv $IMG.bz2 $TARGET + +rm -rf $DIR diff --git a/tests/qemu-iotests/tests/parallels-read-bitmap b/tests/qemu-iotests/tests/parallels-read-bitmap new file mode 100755 index 0000000000..af6b9c5db3 --- /dev/null +++ b/tests/qemu-iotests/tests/parallels-read-bitmap @@ -0,0 +1,55 @@ +#!/usr/bin/env python3 +# +# Test parallels load bitmap +# +# Copyright (c) 2021 Virtuozzo International GmbH. +# +# 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 . +# + +import json +import iotests +from iotests import qemu_nbd_popen, qemu_img_pipe, log, file_path + +iotests.script_initialize(supported_fmts=['parallels']) + +nbd_sock = file_path('nbd-sock', base_dir=iotests.sock_dir) +disk = iotests.file_path('disk') +bitmap = 'e4f2eed0-37fe-4539-b50b-85d2e7fd235f' +nbd_opts = f'driver=nbd,server.type=unix,server.path={nbd_sock}' \ + f',x-dirty-bitmap=qemu:dirty-bitmap:{bitmap}' + + +iotests.unarchive_sample_image('parallels-with-bitmap', disk) + + +with qemu_nbd_popen('--read-only', f'--socket={nbd_sock}', + f'--bitmap={bitmap}', '-f', iotests.imgfmt, disk): + out = qemu_img_pipe('map', '--output=json', '--image-opts', nbd_opts) + chunks = json.loads(out) + cluster = 64 * 1024 + + log('dirty clusters (cluster size is 64K):') + for c in chunks: + assert c['start'] % cluster == 0 + assert c['length'] % cluster == 0 + if c['data']: + continue + + a = c['start'] // cluster + b = (c['start'] + c['length']) // cluster + if b - a > 1: + log(f'{a}-{b-1}') + else: + log(a) diff --git a/tests/qemu-iotests/tests/parallels-read-bitmap.out b/tests/qemu-iotests/tests/parallels-read-bitmap.out new file mode 100644 index 0000000000..e8f6bc9e96 --- /dev/null +++ b/tests/qemu-iotests/tests/parallels-read-bitmap.out @@ -0,0 +1,6 @@ +Start NBD server +dirty clusters (cluster size is 64K): +5-6 +10-12 +30 +Kill NBD server