1#!/usr/bin/env bash 2# 3# qemu-img measure sub-command tests 4# 5# Copyright (C) 2017 Red Hat, Inc. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <http://www.gnu.org/licenses/>. 19# 20 21# creator 22owner=stefanha@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 _cleanup_test_img 32 _rm_test_img "$TEST_IMG.converted" 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39. ./common.pattern 40 41_supported_fmt raw qcow2 42_supported_proto file 43_supported_os Linux 44 45echo "== Input validation ==" 46echo 47 48_make_test_img 1G 49 50$QEMU_IMG measure # missing arguments 51$QEMU_IMG measure --size 2G "$TEST_IMG" # only one allowed 52$QEMU_IMG measure "$TEST_IMG" a # only one filename allowed 53$QEMU_IMG measure --object secret,id=sec0,data=MTIzNDU2,format=base64 # missing filename 54$QEMU_IMG measure --image-opts # missing filename 55$QEMU_IMG measure -f qcow2 # missing filename 56$QEMU_IMG measure -l snap1 # missing filename 57$QEMU_IMG measure -o , # invalid option list 58$QEMU_IMG measure -l snapshot.foo # invalid snapshot option 59$QEMU_IMG measure --output foo # invalid output format 60$QEMU_IMG measure --size -1 # invalid image size 61$QEMU_IMG measure -O foo "$TEST_IMG" # unknown image file format 62 63make_test_img_with_fmt() { 64 # Shadow global variables within this function 65 local IMGFMT="$1" 66 _make_test_img --no-opts "$2" 67} 68 69qemu_io_with_fmt() { 70 # Shadow global variables within this function 71 local QEMU_IO_OPTIONS=$(echo "$QEMU_IO_OPTIONS" | sed "s/-f $IMGFMT/-f $1/") 72 shift 73 $QEMU_IO "$@" 74} 75 76# The proof is in the pudding: converted image size cannot be larger than the 77# required size. 78# 79# Note: if a change to the image format code causes the file size to change, 80# then this test fails! This is good because it's a reminder to check that the 81# required size is still at least as big as the actual converted file size. 82convert_and_show_size() { 83 local fmt="$1" 84 shift 85 $QEMU_IMG convert -f "$fmt" -O "$IMGFMT" "$TEST_IMG" "$@" "$TEST_IMG.converted" 86 stat -c "converted image file size in bytes: %s" "$TEST_IMG.converted" 87} 88 89for ofmt in human json; do 90 echo 91 echo "== Size calculation for a new file ($ofmt) ==" 92 echo 93 94 # Try a few interesting sizes 95 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 0 96 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2G 97 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 64G 98 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 256G 99 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 1T 100 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 2P 101 $QEMU_IMG measure --output=$ofmt -O "$IMGFMT" --size 7E 102 103 # Always test the raw input files but also IMGFMT 104 for fmt in $(echo -e "raw\n$IMGFMT\n" | sort -u); do 105 echo 106 echo "== Empty $fmt input image ($ofmt) ==" 107 echo 108 make_test_img_with_fmt "$fmt" 0 109 $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" 110 echo 111 convert_and_show_size "$fmt" 112 113 echo 114 echo "== $fmt input image with data ($ofmt) ==" 115 echo 116 make_test_img_with_fmt "$fmt" 1G 117 $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" 118 qemu_io_with_fmt "$fmt" -c "write 512 512" "$TEST_IMG" | _filter_qemu_io 119 qemu_io_with_fmt "$fmt" -c "write 64K 64K" "$TEST_IMG" | _filter_qemu_io 120 if [ "$fmt" = "qcow2" ]; then 121 $QEMU_IMG snapshot -c snapshot1 "$TEST_IMG" 122 fi 123 qemu_io_with_fmt "$fmt" -c "write 128M 63K" "$TEST_IMG" | _filter_qemu_io 124 $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" 125 echo 126 convert_and_show_size "$fmt" 127 128 if [ "$fmt" = "qcow2" ]; then 129 echo 130 echo "== $fmt input image with internal snapshot ($ofmt) ==" 131 echo 132 $QEMU_IMG measure --output=$ofmt -f "$fmt" -l snapshot1 \ 133 -O "$IMGFMT" "$TEST_IMG" 134 echo 135 convert_and_show_size "$fmt" -l snapshot1 136 fi 137 138 if [ "$IMGFMT" = "qcow2" ]; then 139 echo 140 echo "== $fmt input image and a backing file ($ofmt) ==" 141 echo 142 # The backing file doesn't need to exist :) 143 $QEMU_IMG measure --output=$ofmt -o backing_file=x \ 144 -f "$fmt" -O "$IMGFMT" "$TEST_IMG" 145 146 echo 147 echo "== $fmt input image and LUKS encryption ==" 148 echo 149 $QEMU_IMG measure --output=$ofmt \ 150 --object secret,id=sec0,data=base \ 151 -o encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10 \ 152 -f "$fmt" -O "$IMGFMT" "$TEST_IMG" 153 fi 154 155 echo 156 echo "== $fmt input image and preallocation ($ofmt) ==" 157 echo 158 $QEMU_IMG measure --output=$ofmt -o preallocation=full \ 159 -f "$fmt" -O "$IMGFMT" "$TEST_IMG" 160 echo 161 convert_and_show_size "$fmt" -o preallocation=full 162 163 echo 164 echo "== Fully-allocated $fmt input image ($ofmt) ==" 165 echo 166 make_test_img_with_fmt "$fmt" 8M 167 qemu_io_with_fmt "$fmt" -c "write 0 8M" "$TEST_IMG" | _filter_qemu_io 168 $QEMU_IMG measure --output=$ofmt -f "$fmt" -O "$IMGFMT" "$TEST_IMG" 169 echo 170 convert_and_show_size "$fmt" 171 done 172done 173 174# success, all done 175echo "*** done" 176rm -f $seq.full 177status=0 178