1#!/usr/bin/env bash 2# group: rw auto 3# 4# Test case for image option amendment in qcow2. 5# 6# Copyright (C) 2013 Red Hat, Inc. 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=mreitz@redhat.com 24 25seq=`basename $0` 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33 _rm_test_img "$TEST_IMG.data" 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# This tests qcow2-specific low-level functionality 42_supported_fmt qcow2 43_supported_proto file 44_supported_os Linux 45# Conversion between different compat versions can only really work 46# with refcount_bits=16; 47# we have explicit tests for data_file here, but the whole test does 48# not work with it; 49# we have explicit tests for various cluster sizes, the remaining tests 50# require the default 64k cluster 51_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)' data_file cluster_size 52 53echo 54echo "=== Testing version downgrade with zero expansion ===" 55echo 56_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M 57$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 58$PYTHON qcow2.py "$TEST_IMG" dump-header 59$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 60$PYTHON qcow2.py "$TEST_IMG" dump-header 61$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 62_check_test_img 63 64echo 65echo "=== Testing version downgrade with zero expansion and 4K cache entries ===" 66echo 67_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M 68$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 69$QEMU_IO -c "write -z 32M 128k" "$TEST_IMG" | _filter_qemu_io 70$QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io 71$PYTHON qcow2.py "$TEST_IMG" dump-header 72$QEMU_IMG amend -o "compat=0.10" --image-opts \ 73 driver=qcow2,file.filename=$TEST_IMG,l2-cache-entry-size=4096 74$PYTHON qcow2.py "$TEST_IMG" dump-header 75$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 76$QEMU_IO -c "read -P 0 32M 128k" "$TEST_IMG" | _filter_qemu_io 77$QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io 78_check_test_img 79 80echo 81echo "=== Testing dirty version downgrade ===" 82echo 83_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M 84_NO_VALGRIND \ 85$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \ 86 -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io 87$PYTHON qcow2.py "$TEST_IMG" dump-header 88$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 89$PYTHON qcow2.py "$TEST_IMG" dump-header 90$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 91_check_test_img 92 93echo 94echo "=== Testing version downgrade with unknown compat/autoclear flags ===" 95echo 96_make_test_img -o "compat=1.1" 64M 97$PYTHON qcow2.py "$TEST_IMG" set-feature-bit compatible 42 98$PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 42 99$PYTHON qcow2.py "$TEST_IMG" dump-header 100$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 101$PYTHON qcow2.py "$TEST_IMG" dump-header 102_check_test_img 103 104echo 105echo "=== Testing version upgrade and resize ===" 106echo 107_make_test_img -o "compat=0.10" 64M 108$QEMU_IO -c "write -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io 109$PYTHON qcow2.py "$TEST_IMG" dump-header 110$QEMU_IMG amend -o "compat=1.1,lazy_refcounts=on,size=128M" "$TEST_IMG" 111$PYTHON qcow2.py "$TEST_IMG" dump-header 112$QEMU_IO -c "read -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io 113_check_test_img 114 115echo 116echo "=== Testing resize with snapshots ===" 117echo 118_make_test_img -o "compat=0.10" 32M 119$QEMU_IO -c "write -P 0x2a 24M 64k" "$TEST_IMG" | _filter_qemu_io 120$QEMU_IMG snapshot -c foo "$TEST_IMG" 121$QEMU_IMG resize "$TEST_IMG" 64M && 122 echo "unexpected pass" 123$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 124 125$QEMU_IMG amend -o "compat=1.1,size=128M" "$TEST_IMG" || 126 echo "unexpected fail" 127$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 128 129$QEMU_IMG snapshot -c bar "$TEST_IMG" 130$QEMU_IMG resize --shrink "$TEST_IMG" 64M || 131 echo "unexpected fail" 132$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 133 134$QEMU_IMG amend -o "compat=0.10,size=32M" "$TEST_IMG" && 135 echo "unexpected pass" 136$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 137 138$QEMU_IMG snapshot -a bar "$TEST_IMG" || 139 echo "unexpected fail" 140$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 141 142$QEMU_IMG snapshot -d bar "$TEST_IMG" 143$QEMU_IMG amend -o "compat=0.10,size=32M" "$TEST_IMG" || 144 echo "unexpected fail" 145$PYTHON qcow2.py "$TEST_IMG" dump-header | grep '^\(version\|size\|nb_snap\)' 146 147_check_test_img 148 149 150echo 151echo "=== Testing dirty lazy_refcounts=off ===" 152echo 153_make_test_img -o "compat=1.1,lazy_refcounts=on" 64M 154_NO_VALGRIND \ 155$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \ 156 -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io 157$PYTHON qcow2.py "$TEST_IMG" dump-header 158$QEMU_IMG amend -o "lazy_refcounts=off" "$TEST_IMG" 159$PYTHON qcow2.py "$TEST_IMG" dump-header 160$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 161_check_test_img 162 163echo 164echo "=== Testing backing file ===" 165echo 166_make_test_img -o "compat=1.1" 64M 167TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M 168$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 169$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 170$QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" "$TEST_IMG" 171$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 172_check_test_img 173 174echo 175echo "=== Testing invalid configurations ===" 176echo 177_make_test_img -o "compat=0.10" 64M 178$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG" 179$QEMU_IMG amend -o "compat=1.1" "$TEST_IMG" # actually valid 180$QEMU_IMG amend -o "compat=0.10,lazy_refcounts=on" "$TEST_IMG" 181$QEMU_IMG amend -o "compat=0.42" "$TEST_IMG" 182$QEMU_IMG amend -o "foo=bar" "$TEST_IMG" 183$QEMU_IMG amend -o "cluster_size=1k" "$TEST_IMG" 184$QEMU_IMG amend -o "encryption=on" "$TEST_IMG" 185$QEMU_IMG amend -o "preallocation=on" "$TEST_IMG" 186 187echo 188echo "=== Testing correct handling of unset value ===" 189echo 190_make_test_img -o "compat=1.1,cluster_size=1k" 64M 191echo "Should work:" 192$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG" 193echo "Should not work:" # Just to know which of these tests actually fails 194$QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG" 195 196echo 197echo "=== Testing zero expansion on inactive clusters ===" 198echo 199_make_test_img -o "compat=1.1" 64M 200$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 201$QEMU_IMG snapshot -c foo "$TEST_IMG" 202$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 203$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 204_check_test_img 205$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 206$QEMU_IMG snapshot -a foo "$TEST_IMG" 207_check_test_img 208$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 209 210echo 211echo "=== Testing zero expansion on shared L2 table ===" 212echo 213_make_test_img -o "compat=1.1" 64M 214$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 215$QEMU_IMG snapshot -c foo "$TEST_IMG" 216$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 217_check_test_img 218$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 219$QEMU_IMG snapshot -a foo "$TEST_IMG" 220_check_test_img 221$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 222 223echo 224echo "=== Testing zero expansion on backed image ===" 225echo 226TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M 227$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 228_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M 229$QEMU_IO -c "read -P 0x2a 0 128k" -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io 230$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 231_check_test_img 232$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io 233 234echo 235echo "=== Testing zero expansion on backed inactive clusters ===" 236echo 237TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M 238$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 239_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M 240$QEMU_IO -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io 241$QEMU_IMG snapshot -c foo "$TEST_IMG" 242$QEMU_IO -c "write -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io 243$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 244_check_test_img 245$QEMU_IO -c "read -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io 246$QEMU_IMG snapshot -a foo "$TEST_IMG" 247_check_test_img 248$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io 249 250echo 251echo "=== Testing zero expansion on backed image with shared L2 table ===" 252echo 253TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M 254$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 255_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M 256$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 257$QEMU_IMG snapshot -c foo "$TEST_IMG" 258$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 259_check_test_img 260$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 261$QEMU_IMG snapshot -a foo "$TEST_IMG" 262_check_test_img 263$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 264 265echo 266echo "=== Testing preallocated zero expansion on full image ===" 267echo 268TEST_IMG="$TEST_IMG" _make_test_img -o "compat=1.1" 64M 269$QEMU_IO -c "write -P 0x2a 0 64M" "$TEST_IMG" -c "write -z 0 64M" | _filter_qemu_io 270$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 271_check_test_img 272$QEMU_IO -c "read -P 0 0 64M" "$TEST_IMG" | _filter_qemu_io 273 274echo 275echo "=== Testing progress report without snapshot ===" 276echo 277TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G 278_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G 279$QEMU_IO -c "write -z 0 64k" \ 280 -c "write -z 1G 64k" \ 281 -c "write -z 2G 64k" \ 282 -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io 283$QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG" 284_check_test_img 285 286echo 287echo "=== Testing progress report with snapshot ===" 288echo 289TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G 290_make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G 291$QEMU_IO -c "write -z 0 64k" \ 292 -c "write -z 1G 64k" \ 293 -c "write -z 2G 64k" \ 294 -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io 295$QEMU_IMG snapshot -c foo "$TEST_IMG" 296$QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG" 297_check_test_img 298 299echo 300echo "=== Testing version downgrade with external data file ===" 301echo 302_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M 303$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 304_img_info --format-specific 305_check_test_img 306 307echo 308echo "=== Testing version downgrade with extended L2 entries ===" 309echo 310_make_test_img -o "compat=1.1,extended_l2=on" 64M 311$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 312 313echo 314echo "=== Try changing the external data file ===" 315echo 316_make_test_img -o "compat=1.1" 64M 317$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG" 318 319echo 320_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M 321$QEMU_IMG amend -o "data_file=foo" "$TEST_IMG" 322_img_info --format-specific 323TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts 324 325echo 326$QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" 327_img_info --format-specific 328TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts 329 330echo 331echo "=== Clearing and setting data-file-raw ===" 332echo 333_make_test_img -o "compat=1.1,data_file=$TEST_IMG.data,data_file_raw=on" 64M 334$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG" 335_img_info --format-specific 336_check_test_img 337 338$QEMU_IMG amend -o "data_file_raw=off" "$TEST_IMG" 339_img_info --format-specific 340_check_test_img 341 342$QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG" 343_img_info --format-specific 344_check_test_img 345 346 347# success, all done 348echo "*** done" 349rm -f $seq.full 350status=0 351