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