1#!/usr/bin/env bash 2# group: rw quick 3# 4# Test export internal snapshot by qemu-nbd, convert it by qemu-img. 5# 6# Copyright (C) 2013 IBM, Inc. 7# 8# Based on 029. 9# 10# This program is free software; you can redistribute it and/or modify 11# it under the terms of the GNU General Public License as published by 12# the Free Software Foundation; either version 2 of the License, or 13# (at your option) any later version. 14# 15# This program is distributed in the hope that it will be useful, 16# but WITHOUT ANY WARRANTY; without even the implied warranty of 17# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18# GNU General Public License for more details. 19# 20# You should have received a copy of the GNU General Public License 21# along with this program. If not, see <http://www.gnu.org/licenses/>. 22# 23 24# creator 25owner=xiawenc@linux.vnet.ibm.com 26 27seq=`basename $0` 28echo "QA output created by $seq" 29 30status=1 # failure is the default! 31 32_export_nbd_snapshot() 33{ 34 nbd_server_start_unix_socket "$TEST_IMG" -l $1 35} 36 37_export_nbd_snapshot1() 38{ 39 nbd_server_start_unix_socket "$TEST_IMG" -l snapshot.name=$1 40} 41 42_cleanup() 43{ 44 nbd_server_stop 45 _cleanup_test_img 46 _rm_test_img "$converted_image" 47} 48trap "_cleanup; exit \$status" 0 1 2 3 15 49 50# get standard environment, filters and checks 51. ./common.rc 52. ./common.filter 53. ./common.pattern 54. ./common.nbd 55 56_supported_fmt qcow2 57_supported_proto file 58_supported_os Linux 59_require_command QEMU_NBD 60# Internal snapshots are (currently) impossible with refcount_bits=1, 61# and generally impossible with external data files 62_unsupported_imgopts 'refcount_bits=1[^0-9]' data_file 63 64nbd_snapshot_img="nbd:unix:$nbd_unix_socket" 65 66converted_image=$TEST_IMG.converted 67 68# Use -f raw instead of -f $IMGFMT for the NBD connection 69QEMU_IO_NBD="$QEMU_IO -f raw --cache=$CACHEMODE --aio=$AIOMODE" 70 71echo 72echo "== preparing image ==" 73_make_test_img 64M 74$QEMU_IO -c 'write -P 0xa 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io 75$QEMU_IO -c 'write -P 0xb 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io 76$QEMU_IMG snapshot -c sn1 "$TEST_IMG" 77$QEMU_IO -c 'write -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io 78$QEMU_IO -c 'write -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io 79_check_test_img 80 81echo 82echo "== verifying the image file with patterns ==" 83$QEMU_IO -c 'read -P 0xc 0x1000 0x1000' "$TEST_IMG" | _filter_qemu_io 84$QEMU_IO -c 'read -P 0xd 0x2000 0x1000' "$TEST_IMG" | _filter_qemu_io 85 86_export_nbd_snapshot sn1 87 88echo 89echo "== verifying the exported snapshot with patterns, method 1 ==" 90$QEMU_IO_NBD -r -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io 91$QEMU_IO_NBD -r -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io 92 93_export_nbd_snapshot1 sn1 94 95echo 96echo "== verifying the exported snapshot with patterns, method 2 ==" 97$QEMU_IO_NBD -r -c 'read -P 0xa 0x1000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io 98$QEMU_IO_NBD -r -c 'read -P 0xb 0x2000 0x1000' "$nbd_snapshot_img" | _filter_qemu_io 99 100$QEMU_IMG convert "$TEST_IMG" -l sn1 -O qcow2 "$converted_image" 101 102echo 103echo "== verifying the converted snapshot with patterns, method 1 ==" 104$QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io 105$QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io 106 107$QEMU_IMG convert "$TEST_IMG" -l snapshot.name=sn1 -O qcow2 "$converted_image" 108 109echo 110echo "== verifying the converted snapshot with patterns, method 2 ==" 111$QEMU_IO -c 'read -P 0xa 0x1000 0x1000' "$converted_image" | _filter_qemu_io 112$QEMU_IO -c 'read -P 0xb 0x2000 0x1000' "$converted_image" | _filter_qemu_io 113 114# success, all done 115echo "*** done" 116rm -f $seq.full 117status=0 118