1#!/usr/bin/env bash 2# 3# Test case for image option amendment in qcow2. 4# 5# Copyright (C) 2013 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=mreitz@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.data" 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 40# This tests qcow2-specific low-level functionality 41_supported_fmt qcow2 42_supported_proto file 43_supported_os Linux 44# Conversion between different compat versions can only really work 45# with refcount_bits=16; 46# we have explicit tests for data_file here, but the whole test does 47# not work with it; 48# we have explicit tests for various cluster sizes, the remaining tests 49# require the default 64k cluster 50_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)' data_file cluster_size 51 52echo 53echo "=== Testing version downgrade with zero expansion ===" 54echo 55_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M 56$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 57$PYTHON qcow2.py "$TEST_IMG" dump-header 58$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 59$PYTHON qcow2.py "$TEST_IMG" dump-header 60$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 61_check_test_img 62 63echo 64echo "=== Testing version downgrade with zero expansion and 4K cache entries ===" 65echo 66_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M 67$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 68$QEMU_IO -c "write -z 32M 128k" "$TEST_IMG" | _filter_qemu_io 69$QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io 70$PYTHON qcow2.py "$TEST_IMG" dump-header 71$QEMU_IMG amend -o "compat=0.10" --image-opts \ 72 driver=qcow2,file.filename=$TEST_IMG,l2-cache-entry-size=4096 73$PYTHON qcow2.py "$TEST_IMG" dump-header 74$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 75$QEMU_IO -c "read -P 0 32M 128k" "$TEST_IMG" | _filter_qemu_io 76$QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io 77_check_test_img 78 79echo 80echo "=== Testing dirty version downgrade ===" 81echo 82_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M 83_NO_VALGRIND \ 84$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \ 85 -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io 86$PYTHON qcow2.py "$TEST_IMG" dump-header 87$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 88$PYTHON qcow2.py "$TEST_IMG" dump-header 89$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 90_check_test_img 91 92echo 93echo "=== Testing version downgrade with unknown compat/autoclear flags ===" 94echo 95_make_test_img -o "compat=1.1" 64M 96$PYTHON qcow2.py "$TEST_IMG" set-feature-bit compatible 42 97$PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 42 98$PYTHON qcow2.py "$TEST_IMG" dump-header 99$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 100$PYTHON qcow2.py "$TEST_IMG" dump-header 101_check_test_img 102 103echo 104echo "=== Testing version upgrade and resize ===" 105echo 106_make_test_img -o "compat=0.10" 64M 107$QEMU_IO -c "write -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io 108$PYTHON qcow2.py "$TEST_IMG" dump-header 109$QEMU_IMG amend -o "compat=1.1,lazy_refcounts=on,size=128M" "$TEST_IMG" 110$PYTHON qcow2.py "$TEST_IMG" dump-header 111$QEMU_IO -c "read -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io 112_check_test_img 113 114echo 115echo "=== Testing resize with snapshots ===" 116echo 117_make_test_img -o "compat=0.10" 32M 118$QEMU_IO -c "write -P 0x2a 24M 64k" "$TEST_IMG" | _filter_qemu_io 119$QEMU_IMG snapshot -c foo "$TEST_IMG" 120$QEMU_IMG resize "$TEST_IMG" 64M && 121 echo "unexpected pass" 122$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 123 124$QEMU_IMG amend -o "compat=1.1,size=128M" "$TEST_IMG" || 125 echo "unexpected fail" 126$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 127 128$QEMU_IMG snapshot -c bar "$TEST_IMG" 129$QEMU_IMG resize --shrink "$TEST_IMG" 64M || 130 echo "unexpected fail" 131$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 132 133$QEMU_IMG amend -o "compat=0.10,size=32M" "$TEST_IMG" && 134 echo "unexpected pass" 135$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 136 137$QEMU_IMG snapshot -a bar "$TEST_IMG" || 138 echo "unexpected fail" 139$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 140 141$QEMU_IMG snapshot -d bar "$TEST_IMG" 142$QEMU_IMG amend -o "compat=0.10,size=32M" "$TEST_IMG" || 143 echo "unexpected fail" 144$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 145 146_check_test_img 147 148 149echo 150echo "=== Testing dirty lazy_refcounts=off ===" 151echo 152_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M 153_NO_VALGRIND \ 154$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \ 155 -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io 156$PYTHON qcow2.py "$TEST_IMG" dump-header 157$QEMU_IMG amend -o "lazy_refcounts=off" "$TEST_IMG" 158$PYTHON qcow2.py "$TEST_IMG" dump-header 159$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 160_check_test_img 161 162echo 163echo "=== Testing backing file ===" 164echo 165_make_test_img -o "compat=1.1" 64M 166TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M 167$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 168$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 169$QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" "$TEST_IMG" 170$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 171_check_test_img 172 173echo 174echo "=== Testing invalid configurations ===" 175echo 176_make_test_img -o "compat=0.10" 64M 177$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG" 178$QEMU_IMG amend -o "compat=1.1" "$TEST_IMG" # actually valid 179$QEMU_IMG amend -o "compat=0.10,lazy_refcounts=on" "$TEST_IMG" 180$QEMU_IMG amend -o "compat=0.42" "$TEST_IMG" 181$QEMU_IMG amend -o "foo=bar" "$TEST_IMG" 182$QEMU_IMG amend -o "cluster_size=1k" "$TEST_IMG" 183$QEMU_IMG amend -o "encryption=on" "$TEST_IMG" 184$QEMU_IMG amend -o "preallocation=on" "$TEST_IMG" 185 186echo 187echo "=== Testing correct handling of unset value ===" 188echo 189_make_test_img -o "compat=1.1,cluster_size=1k" 64M 190echo "Should work:" 191$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG" 192echo "Should not work:" # Just to know which of these tests actually fails 193$QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG" 194 195echo 196echo "=== Testing zero expansion on inactive clusters ===" 197echo 198_make_test_img -o "compat=1.1" 64M 199$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 200$QEMU_IMG snapshot -c foo "$TEST_IMG" 201$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 202$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 203_check_test_img 204$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 205$QEMU_IMG snapshot -a foo "$TEST_IMG" 206_check_test_img 207$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 208 209echo 210echo "=== Testing zero expansion on shared L2 table ===" 211echo 212_make_test_img -o "compat=1.1" 64M 213$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 214$QEMU_IMG snapshot -c foo "$TEST_IMG" 215$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 216_check_test_img 217$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 218$QEMU_IMG snapshot -a foo "$TEST_IMG" 219_check_test_img 220$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 221 222echo 223echo "=== Testing zero expansion on backed image ===" 224echo 225TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M 226$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 227_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M 228$QEMU_IO -c "read -P 0x2a 0 128k" -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io 229$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 230_check_test_img 231$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io 232 233echo 234echo "=== Testing zero expansion on backed inactive clusters ===" 235echo 236TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M 237$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 238_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M 239$QEMU_IO -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io 240$QEMU_IMG snapshot -c foo "$TEST_IMG" 241$QEMU_IO -c "write -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io 242$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 243_check_test_img 244$QEMU_IO -c "read -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io 245$QEMU_IMG snapshot -a foo "$TEST_IMG" 246_check_test_img 247$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io 248 249echo 250echo "=== Testing zero expansion on backed image with shared L2 table ===" 251echo 252TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M 253$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 254_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M 255$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 256$QEMU_IMG snapshot -c foo "$TEST_IMG" 257$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 258_check_test_img 259$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 260$QEMU_IMG snapshot -a foo "$TEST_IMG" 261_check_test_img 262$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 263 264echo 265echo "=== Testing preallocated zero expansion on full image ===" 266echo 267TEST_IMG="$TEST_IMG" _make_test_img -o "compat=1.1" 64M 268$QEMU_IO -c "write -P 0x2a 0 64M" "$TEST_IMG" -c "write -z 0 64M" | _filter_qemu_io 269$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 270_check_test_img 271$QEMU_IO -c "read -P 0 0 64M" "$TEST_IMG" | _filter_qemu_io 272 273echo 274echo "=== Testing progress report without snapshot ===" 275echo 276TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G 277_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G 278$QEMU_IO -c "write -z 0 64k" \ 279 -c "write -z 1G 64k" \ 280 -c "write -z 2G 64k" \ 281 -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io 282$QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG" 283_check_test_img 284 285echo 286echo "=== Testing progress report with snapshot ===" 287echo 288TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G 289_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G 290$QEMU_IO -c "write -z 0 64k" \ 291 -c "write -z 1G 64k" \ 292 -c "write -z 2G 64k" \ 293 -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io 294$QEMU_IMG snapshot -c foo "$TEST_IMG" 295$QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG" 296_check_test_img 297 298echo 299echo "=== Testing version downgrade with external data file ===" 300echo 301_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M 302$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 303_img_info --format-specific 304_check_test_img 305 306echo 307echo "=== Testing version downgrade with extended L2 entries ===" 308echo 309_make_test_img -o "compat=1.1,extended_l2=on" 64M 310$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 311 312echo 313echo "=== Try changing the external data file ===" 314echo 315_make_test_img -o "compat=1.1" 64M 316$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG" 317 318echo 319_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M 320$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG" 321_img_info --format-specific 322TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts 323 324echo 325$QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" 326_img_info --format-specific 327TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts 328 329echo 330echo "=== Clearing and setting data-file-raw ===" 331echo 332_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data,data_file_raw=on" 64M 333$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG" 334_img_info --format-specific 335_check_test_img 336 337$QEMU_IMG amend -o "data_file_raw=off" "$TEST_IMG" 338_img_info --format-specific 339_check_test_img 340 341$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG" 342_img_info --format-specific 343_check_test_img 344 345 346# success, all done 347echo "*** done" 348rm -f $seq.full 349status=0 350