1#!/bin/bash 2# 3# Test some qemu-img convert cases 4# 5# Copyright (C) 2015 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=kwolf@redhat.com 23 24seq="$(basename $0)" 25echo "QA output created by $seq" 26 27here="$PWD" 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 rm -f "$TEST_IMG".[123] 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40 41_supported_fmt qcow2 42_supported_proto file 43_supported_os Linux 44 45 46TEST_IMG="$TEST_IMG".base _make_test_img 64M 47$QEMU_IO -c "write -P 0x11 0 64M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir 48 49 50echo 51echo "=== Check allocation status regression with -B ===" 52echo 53 54_make_test_img -b "$TEST_IMG".base 55$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 56$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig 57$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map 58 59 60echo 61echo "=== Check that zero clusters are kept in overlay ===" 62echo 63 64_make_test_img -b "$TEST_IMG".base 65 66$QEMU_IO -c "write -P 0 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 67$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig 68$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 69$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig 70$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 71 72$QEMU_IO -c "write -z 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 73$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig 74$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 75$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig 76$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 77 78 79echo 80echo "=== Converting to an overlay larger than its backing file ===" 81echo 82 83TEST_IMG="$TEST_IMG".base _make_test_img 256M 84# Needs to be at least how much an L2 table covers 85# (64 kB/entry * 64 kB / 8 B/entry = 512 MB) 86# That way, qcow2 will yield at least two status request responses. 87# With just a single response, it would always say "Allocated in the 88# backing file", so the optimization qemu-img convert tries to do is 89# done automatically. Once it has to be queried twice, however (and 90# one of the queries is completely after the end of the backing file), 91# the block layer will automatically add a ZERO flag that qemu-img 92# convert used to follow up with a zero write to the target. 93# We do not want such a zero write, however, because we are past the 94# end of the backing file on the target as well, so we do not need to 95# write anything there. 96_make_test_img -b "$TEST_IMG".base 768M 97 98# Use compat=0.10 as the output so there is no zero cluster support 99$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o compat=0.10 \ 100 "$TEST_IMG" "$TEST_IMG".orig 101# See that nothing has been allocated past 64M 102$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map 103 104echo 105 106# Just before the end of the backing file 107$QEMU_IO -c 'write -P 0x11 255M 1M' "$TEST_IMG".base 2>&1 | _filter_qemu_io 108# Somewhere in the second L2 table 109$QEMU_IO -c 'write -P 0x22 600M 1M' "$TEST_IMG" 2>&1 | _filter_qemu_io 110 111$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o compat=0.10 \ 112 "$TEST_IMG" "$TEST_IMG".orig 113 114$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map 115$QEMU_IO -c 'read -P 0x11 255M 1M' \ 116 -c 'read -P 0x22 600M 1M' \ 117 "$TEST_IMG".orig \ 118 | _filter_qemu_io 119 120 121echo 122echo "=== Concatenate multiple source images ===" 123echo 124 125TEST_IMG="$TEST_IMG".1 _make_test_img 4M 126TEST_IMG="$TEST_IMG".2 _make_test_img 4M 127TEST_IMG="$TEST_IMG".3 _make_test_img 4M 128 129$QEMU_IO -c "write -P 0x11 0 64k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir 130$QEMU_IO -c "write -P 0x22 0 64k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir 131$QEMU_IO -c "write -P 0x33 0 64k" "$TEST_IMG".3 2>&1 | _filter_qemu_io | _filter_testdir 132 133$QEMU_IMG convert -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG" 134$QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map 135$QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 136$QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 137$QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 138 139$QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG" 140$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map 141$QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 142$QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 143$QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 144 145# -B can't be combined with concatenation 146$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG" 147$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG" 148 149 150echo 151echo "=== Compression with misaligned allocations and image sizes ===" 152echo 153 154TEST_IMG="$TEST_IMG".1 _make_test_img 1023k -o cluster_size=1024 155TEST_IMG="$TEST_IMG".2 _make_test_img 1023k -o cluster_size=1024 156 157$QEMU_IO -c "write -P 0x11 16k 16k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir 158$QEMU_IO -c "write -P 0x22 130k 130k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir 159$QEMU_IO -c "write -P 0x33 1022k 1k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir 160$QEMU_IO -c "write -P 0x44 0k 1k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir 161 162$QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[12] "$TEST_IMG" 163$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map 164$QEMU_IO -c "read -P 0 0k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 165$QEMU_IO -c "read -P 0x11 16k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 166$QEMU_IO -c "read -P 0 32k 98k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 167$QEMU_IO -c "read -P 0x22 130k 130k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 168$QEMU_IO -c "read -P 0 260k 762k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 169$QEMU_IO -c "read -P 0x33 1022k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 170$QEMU_IO -c "read -P 0x44 1023k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 171$QEMU_IO -c "read -P 0 1024k 1022k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 172 173 174echo 175echo "=== Full allocation with -S 0 ===" 176echo 177 178# Standalone image 179_make_test_img 64M 180$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 181$QEMU_IO -c "write -P 0 3M 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 182 183echo 184echo convert -S 0: 185$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig 186$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 187$QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 188$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map 189 190echo 191echo convert -c -S 0: 192$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig 193$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 194$QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 195$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map 196 197# With backing file 198TEST_IMG="$TEST_IMG".base _make_test_img 64M 199$QEMU_IO -c "write -P 0x11 0 32M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir 200 201_make_test_img -b "$TEST_IMG".base 64M 202$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 203 204echo 205echo convert -S 0 with source backing file: 206$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig 207$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 208$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 209$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 210$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map 211 212echo 213echo convert -c -S 0 with source backing file: 214$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig 215$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 216$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 217$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 218$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map 219 220# With keeping the backing file 221echo 222echo convert -S 0 -B ... 223$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig 224$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 225$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 226$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 227$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map 228 229echo 230echo convert -c -S 0 -B ... 231$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig 232$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 233$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 234$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir 235$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map 236 237 238echo 239echo "=== Non-zero -S ===" 240echo 241 242_make_test_img 64M -o cluster_size=1k 243$QEMU_IO -c "write -P 0 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 244$QEMU_IO -c "write 0 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 245$QEMU_IO -c "write 8k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 246$QEMU_IO -c "write 17k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir 247 248for min_sparse in 4k 8k; do 249 echo 250 echo convert -S $min_sparse 251 $QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig 252 $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map 253 254 echo 255 echo convert -c -S $min_sparse 256 # For compressed images, -S values other than 0 are ignored 257 $QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -c -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig 258 $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map 259done 260 261# success, all done 262echo '*** done' 263rm -f $seq.full 264status=0 265