1#!/bin/bash 2# 3# test of qemu-img convert -n - convert without creation 4# 5# Copyright (C) 2009 Red Hat, Inc. 6# Copyright (C) 2013 Alex Bligh (alex@alex.org.uk) 7# 8# This program is free software; you can redistribute it and/or modify 9# it under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2 of the License, or 11# (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program. If not, see <http://www.gnu.org/licenses/>. 20# 21 22# creator 23owner=alex@alex.org.uk 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33 rm -f "$TEST_IMG.orig" "$TEST_IMG.raw1" "$TEST_IMG.raw2" 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40. ./common.pattern 41 42_supported_fmt qcow qcow2 vmdk qed raw 43_supported_proto file 44_supported_os Linux 45_unsupported_imgopts "subformat=monolithicFlat" \ 46 "subformat=twoGbMaxExtentFlat" \ 47 "subformat=twoGbMaxExtentSparse" 48 49_make_test_img 4M 50 51echo "== Testing conversion with -n fails with no target file ==" 52# check .orig file does not exist 53rm -f "$TEST_IMG.orig" 54if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" >/dev/null 2>&1; then 55 exit 1 56fi 57 58echo "== Testing conversion with -n succeeds with a target file ==" 59rm -f "$TEST_IMG.orig" 60cp "$TEST_IMG" "$TEST_IMG.orig" 61if ! $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG.orig" ; then 62 exit 1 63fi 64 65echo "== Testing conversion to raw is the same after conversion with -n ==" 66# compare the raw files 67if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG" "$TEST_IMG.raw1" ; then 68 exit 1 69fi 70 71if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG.orig" "$TEST_IMG.raw2" ; then 72 exit 1 73fi 74 75if ! cmp "$TEST_IMG.raw1" "$TEST_IMG.raw2" ; then 76 exit 1 77fi 78 79echo "== Testing conversion back to original format ==" 80if ! $QEMU_IMG convert -f raw -O $IMGFMT -n "$TEST_IMG.raw2" "$TEST_IMG" ; then 81 exit 1 82fi 83_check_test_img 84 85echo "== Testing conversion to a smaller file fails ==" 86rm -f "$TEST_IMG.orig" 87mv "$TEST_IMG" "$TEST_IMG.orig" 88_make_test_img 2M 89if $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n "$TEST_IMG.orig" "$TEST_IMG" >/dev/null 2>&1; then 90 exit 1 91fi 92 93echo "== Regression testing for copy offloading bug ==" 94 95_make_test_img 1M 96TEST_IMG="$TEST_IMG.target" _make_test_img 1M 97$QEMU_IO -c 'write -P 1 0 512k' -c 'write -P 2 512k 512k' "$TEST_IMG" | _filter_qemu_io 98$QEMU_IO -c 'write -P 4 512k 512k' -c 'write -P 3 0 512k' "$TEST_IMG.target" | _filter_qemu_io 99$QEMU_IMG convert -n -O $IMGFMT "$TEST_IMG" "$TEST_IMG.target" 100$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.target" 101 102echo "*** done" 103rm -f $seq.full 104status=0 105exit 0 106