| 1 | #!/usr/bin/env bash |
| 2 | # group: rw |
| 3 | # |
| 4 | # Test some qemu-img convert cases |
| 5 | # |
| 6 | # Copyright (C) 2015 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 |
| 23 | owner=kwolf@redhat.com |
| 24 | |
| 25 | seq="$(basename $0)" |
| 26 | echo "QA output created by $seq" |
| 27 | |
| 28 | status=1 # failure is the default! |
| 29 | |
| 30 | _cleanup() |
| 31 | { |
| 32 | for img in "$TEST_IMG".[123]; do |
| 33 | _rm_test_img "$img" |
| 34 | done |
| 35 | _cleanup_test_img |
| 36 | } |
| 37 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 38 | |
| 39 | # get standard environment, filters and checks |
| 40 | . ./common.rc |
| 41 | . ./common.filter |
| 42 | |
| 43 | _supported_fmt qcow2 |
| 44 | _supported_proto file |
| 45 | _supported_os Linux |
| 46 | |
| 47 | |
| 48 | TEST_IMG="$TEST_IMG".base _make_test_img 64M |
| 49 | $QEMU_IO -c "write -P 0x11 0 64M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir |
| 50 | |
| 51 | |
| 52 | echo |
| 53 | echo "=== Check allocation status regression with -B ===" |
| 54 | echo |
| 55 | |
| 56 | _make_test_img -b "$TEST_IMG".base -F $IMGFMT |
| 57 | $QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 58 | $QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base \ |
| 59 | -o backing_fmt=$IMGFMT "$TEST_IMG" "$TEST_IMG".orig |
| 60 | $QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map |
| 61 | |
| 62 | |
| 63 | echo |
| 64 | echo "=== Check that zero clusters are kept in overlay ===" |
| 65 | echo |
| 66 | |
| 67 | _make_test_img -b "$TEST_IMG".base -F $IMGFMT |
| 68 | |
| 69 | $QEMU_IO -c "write -P 0 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 70 | $QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -F $IMGFMT \ |
| 71 | "$TEST_IMG" "$TEST_IMG".orig |
| 72 | $QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 73 | $QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base -o backing_fmt=$IMGFMT \ |
| 74 | "$TEST_IMG" "$TEST_IMG".orig |
| 75 | $QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 76 | |
| 77 | $QEMU_IO -c "write -z 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 78 | $QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o backing_fmt=$IMGFMT \ |
| 79 | "$TEST_IMG" "$TEST_IMG".orig |
| 80 | $QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 81 | $QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base -o backing_fmt=$IMGFMT \ |
| 82 | "$TEST_IMG" "$TEST_IMG".orig |
| 83 | $QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 84 | |
| 85 | |
| 86 | echo |
| 87 | echo "=== Converting to an overlay larger than its backing file ===" |
| 88 | echo |
| 89 | |
| 90 | TEST_IMG="$TEST_IMG".base _make_test_img 256M |
| 91 | # Needs to be at least how much an L2 table covers |
| 92 | # (64 kB/entry * 64 kB / 8 B/entry = 512 MB) |
| 93 | # That way, qcow2 will yield at least two status request responses. |
| 94 | # With just a single response, it would always say "Allocated in the |
| 95 | # backing file", so the optimization qemu-img convert tries to do is |
| 96 | # done automatically. Once it has to be queried twice, however (and |
| 97 | # one of the queries is completely after the end of the backing file), |
| 98 | # the block layer will automatically add a ZERO flag that qemu-img |
| 99 | # convert used to follow up with a zero write to the target. |
| 100 | # We do not want such a zero write, however, because we are past the |
| 101 | # end of the backing file on the target as well, so we do not need to |
| 102 | # write anything there. |
| 103 | _make_test_img -b "$TEST_IMG".base 768M -F $IMGFMT |
| 104 | |
| 105 | # Use compat=0.10 as the output so there is no zero cluster support |
| 106 | $QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o compat=0.10 \ |
| 107 | -o backing_fmt=$IMGFMT "$TEST_IMG" "$TEST_IMG".orig |
| 108 | # See that nothing has been allocated past 64M |
| 109 | $QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map |
| 110 | |
| 111 | echo |
| 112 | |
| 113 | # Just before the end of the backing file |
| 114 | $QEMU_IO -c 'write -P 0x11 255M 1M' "$TEST_IMG".base 2>&1 | _filter_qemu_io |
| 115 | # Somewhere in the second L2 table |
| 116 | $QEMU_IO -c 'write -P 0x22 600M 1M' "$TEST_IMG" 2>&1 | _filter_qemu_io |
| 117 | |
| 118 | $QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o compat=0.10 \ |
| 119 | -o backing_fmt=$IMGFMT "$TEST_IMG" "$TEST_IMG".orig |
| 120 | |
| 121 | $QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map |
| 122 | $QEMU_IO -c 'read -P 0x11 255M 1M' \ |
| 123 | -c 'read -P 0x22 600M 1M' \ |
| 124 | "$TEST_IMG".orig \ |
| 125 | | _filter_qemu_io |
| 126 | |
| 127 | |
| 128 | echo |
| 129 | echo "=== Concatenate multiple source images ===" |
| 130 | echo |
| 131 | |
| 132 | TEST_IMG="$TEST_IMG".1 _make_test_img 4M |
| 133 | TEST_IMG="$TEST_IMG".2 _make_test_img 4M |
| 134 | TEST_IMG="$TEST_IMG".3 _make_test_img 4M |
| 135 | |
| 136 | $QEMU_IO -c "write -P 0x11 0 64k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir |
| 137 | $QEMU_IO -c "write -P 0x22 0 64k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir |
| 138 | $QEMU_IO -c "write -P 0x33 0 64k" "$TEST_IMG".3 2>&1 | _filter_qemu_io | _filter_testdir |
| 139 | |
| 140 | $QEMU_IMG convert -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG" |
| 141 | $QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map |
| 142 | $QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 143 | $QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 144 | $QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 145 | |
| 146 | $QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG" |
| 147 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| 148 | $QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 149 | $QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 150 | $QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 151 | |
| 152 | # -B can't be combined with concatenation |
| 153 | $QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG" |
| 154 | $QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG" |
| 155 | |
| 156 | |
| 157 | echo |
| 158 | echo "=== Compression with misaligned allocations and image sizes ===" |
| 159 | echo |
| 160 | |
| 161 | TEST_IMG="$TEST_IMG".1 _make_test_img 1023k -o cluster_size=1024 |
| 162 | TEST_IMG="$TEST_IMG".2 _make_test_img 1023k -o cluster_size=1024 |
| 163 | |
| 164 | $QEMU_IO -c "write -P 0x11 16k 16k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir |
| 165 | $QEMU_IO -c "write -P 0x22 130k 130k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir |
| 166 | $QEMU_IO -c "write -P 0x33 1022k 1k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir |
| 167 | $QEMU_IO -c "write -P 0x44 0k 1k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir |
| 168 | |
| 169 | $QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[12] "$TEST_IMG" |
| 170 | $QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map |
| 171 | $QEMU_IO -c "read -P 0 0k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 172 | $QEMU_IO -c "read -P 0x11 16k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 173 | $QEMU_IO -c "read -P 0 32k 98k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 174 | $QEMU_IO -c "read -P 0x22 130k 130k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 175 | $QEMU_IO -c "read -P 0 260k 762k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 176 | $QEMU_IO -c "read -P 0x33 1022k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 177 | $QEMU_IO -c "read -P 0x44 1023k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 178 | $QEMU_IO -c "read -P 0 1024k 1022k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 179 | |
| 180 | |
| 181 | echo |
| 182 | echo "=== Full allocation with -S 0 ===" |
| 183 | echo |
| 184 | |
| 185 | # Standalone image |
| 186 | _make_test_img 64M |
| 187 | $QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 188 | $QEMU_IO -c "write -P 0 3M 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 189 | |
| 190 | echo |
| 191 | echo convert -S 0: |
| 192 | $QEMU_IMG convert -O $IMGFMT -S 0 "$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 | echo |
| 198 | echo convert -c -S 0: |
| 199 | $QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig |
| 200 | $QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 201 | $QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 202 | $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map |
| 203 | |
| 204 | # With backing file |
| 205 | TEST_IMG="$TEST_IMG".base _make_test_img 64M |
| 206 | $QEMU_IO -c "write -P 0x11 0 32M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir |
| 207 | |
| 208 | _make_test_img -b "$TEST_IMG".base 64M -F $IMGFMT |
| 209 | $QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 210 | |
| 211 | echo |
| 212 | echo convert -S 0 with source backing file: |
| 213 | $QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig |
| 214 | $QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 215 | $QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 216 | $QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 217 | $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map |
| 218 | |
| 219 | echo |
| 220 | echo convert -c -S 0 with source backing file: |
| 221 | $QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig |
| 222 | $QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 223 | $QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 224 | $QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 225 | $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map |
| 226 | |
| 227 | # With keeping the backing file |
| 228 | echo |
| 229 | echo convert -S 0 -B ... |
| 230 | $QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig |
| 231 | $QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 232 | $QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 233 | $QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 234 | $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map |
| 235 | |
| 236 | echo |
| 237 | echo convert -c -S 0 -B ... |
| 238 | $QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig |
| 239 | $QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 240 | $QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 241 | $QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir |
| 242 | $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map |
| 243 | |
| 244 | |
| 245 | echo |
| 246 | echo "=== Non-zero -S ===" |
| 247 | echo |
| 248 | |
| 249 | _make_test_img 64M -o cluster_size=1k |
| 250 | $QEMU_IO -c "write -P 0 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 251 | $QEMU_IO -c "write 0 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 252 | $QEMU_IO -c "write 8k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 253 | $QEMU_IO -c "write 17k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 254 | $QEMU_IO -c "write -P 0 65k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir |
| 255 | |
| 256 | for min_sparse in 4k 8k; do |
| 257 | echo |
| 258 | echo convert -S $min_sparse |
| 259 | $QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig |
| 260 | $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map |
| 261 | |
| 262 | echo |
| 263 | echo convert -c -S $min_sparse |
| 264 | # For compressed images, -S values other than 0 are ignored |
| 265 | $QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -c -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig |
| 266 | $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map |
| 267 | done |
| 268 | |
| 269 | |
| 270 | echo |
| 271 | echo '=== -n to a non-zero image ===' |
| 272 | echo |
| 273 | |
| 274 | # Keep source zero |
| 275 | _make_test_img 64M |
| 276 | |
| 277 | # Output is not zero, but has bdrv_has_zero_init() == 1 |
| 278 | TEST_IMG="$TEST_IMG".orig _make_test_img 64M |
| 279 | $QEMU_IO -c "write -P 42 0 64k" "$TEST_IMG".orig | _filter_qemu_io |
| 280 | |
| 281 | # Convert with -n, which should not assume that the target is zeroed |
| 282 | $QEMU_IMG convert -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG".orig |
| 283 | |
| 284 | $QEMU_IMG compare "$TEST_IMG" "$TEST_IMG".orig |
| 285 | |
| 286 | echo |
| 287 | echo '=== -n to an empty image ===' |
| 288 | echo |
| 289 | |
| 290 | TEST_IMG="$TEST_IMG".orig _make_test_img 64M |
| 291 | |
| 292 | # Convert with -n, which should not result in a fully allocated image, not even |
| 293 | # with compat=0.10 (because the target doesn't have a backing file) |
| 294 | for compat in "1.1" "0.10"; do |
| 295 | IMGOPTS="compat=$compat" _make_test_img 64M |
| 296 | $QEMU_IMG convert -O $IMGFMT -n "$TEST_IMG".orig "$TEST_IMG" |
| 297 | $QEMU_IMG map --output=json "$TEST_IMG" |
| 298 | done |
| 299 | |
| 300 | echo |
| 301 | echo '=== -n to an empty image with a backing file ===' |
| 302 | echo |
| 303 | |
| 304 | TEST_IMG="$TEST_IMG".orig _make_test_img 64M |
| 305 | TEST_IMG="$TEST_IMG".base _make_test_img 64M |
| 306 | |
| 307 | # Convert with -n, which should still not result in a fully allocated image for |
| 308 | # compat=1.1 (because it can use zero clusters), but it should be fully |
| 309 | # allocated with compat=0.10 |
| 310 | for compat in "1.1" "0.10"; do |
| 311 | IMGOPTS="compat=$compat" _make_test_img -b "$TEST_IMG".base -F $IMGFMT 64M |
| 312 | $QEMU_IMG convert -O $IMGFMT -n "$TEST_IMG".orig "$TEST_IMG" |
| 313 | $QEMU_IMG map --output=json "$TEST_IMG" |
| 314 | done |
| 315 | |
| 316 | echo |
| 317 | echo '=== -n -B to an image without a backing file ===' |
| 318 | echo |
| 319 | |
| 320 | # Base for the output |
| 321 | TEST_IMG="$TEST_IMG".base _make_test_img 64M |
| 322 | |
| 323 | # Output that does have $TEST_IMG.base set as its (implicit) backing file |
| 324 | TEST_IMG="$TEST_IMG".orig _make_test_img 64M |
| 325 | |
| 326 | # Convert with -n, which should not confuse -B with "target BDS has a |
| 327 | # backing file" |
| 328 | $QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -n "$TEST_IMG" "$TEST_IMG".orig |
| 329 | |
| 330 | echo |
| 331 | echo '=== -n incompatible with -o ===' |
| 332 | echo |
| 333 | |
| 334 | $QEMU_IMG convert -O $IMGFMT -o preallocation=metadata -n \ |
| 335 | "$TEST_IMG" "$TEST_IMG".orig && echo "unexpected success" |
| 336 | |
| 337 | # success, all done |
| 338 | echo '*** done' |
| 339 | rm -f $seq.full |
| 340 | status=0 |