tests/qemu-iotests/061

   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
  23 owner=hreitz@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     _cleanup_test_img
  33     _rm_test_img "$TEST_IMG.data"
  34 }
  35 trap "_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 # we don't have explicit tests for zstd qcow2 compression type, as zstd may be
  52 # not compiled in. And we can't create compat images with comression type
  53 # extension
  54 _unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)' data_file \
  55     cluster_size compression_type
  56
  57 echo
  58 echo "=== Testing version downgrade with zero expansion ==="
  59 echo
  60 _make_test_img -o "compat=1.1,lazy_refcounts=on" 64M
  61 $QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
  62 _qcow2_dump_header
  63 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
  64 _qcow2_dump_header
  65 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
  66 _check_test_img
  67
  68 echo
  69 echo "=== Testing version downgrade with zero expansion and 4K cache entries ==="
  70 echo
  71 _make_test_img -o "compat=1.1,lazy_refcounts=on" 64M
  72 $QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
  73 $QEMU_IO -c "write -z 32M 128k" "$TEST_IMG" | _filter_qemu_io
  74 $QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io
  75 _qcow2_dump_header
  76 $QEMU_IMG amend -o "compat=0.10" --image-opts \
  77           driver=qcow2,file.filename=$TEST_IMG,l2-cache-entry-size=4096
  78 _qcow2_dump_header
  79 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
  80 $QEMU_IO -c "read -P 0 32M 128k" "$TEST_IMG" | _filter_qemu_io
  81 $QEMU_IO -c map "$TEST_IMG" | _filter_qemu_io
  82 _check_test_img
  83
  84 echo
  85 echo "=== Testing dirty version downgrade ==="
  86 echo
  87 _make_test_img -o "compat=1.1,lazy_refcounts=on" 64M
  88 _NO_VALGRIND \
  89 $QEMU_IO -c "write -P 0x2a 0 128k" -c flush \
  90          -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io
  91 _qcow2_dump_header
  92 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
  93 _qcow2_dump_header
  94 $QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
  95 _check_test_img
  96
  97 echo
  98 echo "=== Testing version downgrade with unknown compat/autoclear flags ==="
  99 echo
 100 _make_test_img -o "compat=1.1" 64M
 101 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit compatible 42
 102 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 42
 103 _qcow2_dump_header
 104 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 105 _qcow2_dump_header
 106 _check_test_img
 107
 108 echo
 109 echo "=== Testing version upgrade and resize ==="
 110 echo
 111 _make_test_img -o "compat=0.10" 64M
 112 $QEMU_IO -c "write -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io
 113 _qcow2_dump_header
 114 $QEMU_IMG amend -o "compat=1.1,lazy_refcounts=on,size=128M" "$TEST_IMG"
 115 _qcow2_dump_header
 116 $QEMU_IO -c "read -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io
 117 _check_test_img
 118
 119 echo
 120 echo "=== Testing resize with snapshots ==="
 121 echo
 122 _make_test_img -o "compat=0.10" 32M
 123 $QEMU_IO -c "write -P 0x2a 24M 64k" "$TEST_IMG" | _filter_qemu_io
 124 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 125 $QEMU_IMG resize "$TEST_IMG" 64M &&
 126     echo "unexpected pass"
 127 _qcow2_dump_header | grep '^\(version\|size\|nb_snap\)'
 128
 129 $QEMU_IMG amend -o "compat=1.1,size=128M" "$TEST_IMG" ||
 130     echo "unexpected fail"
 131 _qcow2_dump_header | grep '^\(version\|size\|nb_snap\)'
 132
 133 $QEMU_IMG snapshot -c bar "$TEST_IMG"
 134 $QEMU_IMG resize --shrink "$TEST_IMG" 64M ||
 135     echo "unexpected fail"
 136 _qcow2_dump_header | grep '^\(version\|size\|nb_snap\)'
 137
 138 $QEMU_IMG amend -o "compat=0.10,size=32M" "$TEST_IMG" &&
 139     echo "unexpected pass"
 140 _qcow2_dump_header | grep '^\(version\|size\|nb_snap\)'
 141
 142 $QEMU_IMG snapshot -a bar "$TEST_IMG" ||
 143     echo "unexpected fail"
 144 _qcow2_dump_header | grep '^\(version\|size\|nb_snap\)'
 145
 146 $QEMU_IMG snapshot -d bar "$TEST_IMG"
 147 $QEMU_IMG amend -o "compat=0.10,size=32M" "$TEST_IMG" ||
 148     echo "unexpected fail"
 149 _qcow2_dump_header | grep '^\(version\|size\|nb_snap\)'
 150
 151 _check_test_img
 152
 153
 154 echo
 155 echo "=== Testing dirty lazy_refcounts=off ==="
 156 echo
 157 _make_test_img -o "compat=1.1,lazy_refcounts=on" 64M
 158 _NO_VALGRIND \
 159 $QEMU_IO -c "write -P 0x2a 0 128k" -c flush \
 160          -c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io
 161 _qcow2_dump_header
 162 $QEMU_IMG amend -o "lazy_refcounts=off" "$TEST_IMG"
 163 _qcow2_dump_header
 164 $QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
 165 _check_test_img
 166
 167 echo
 168 echo "=== Testing backing file ==="
 169 echo
 170 _make_test_img -o "compat=1.1" 64M
 171 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
 172 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
 173 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 174 $QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" \
 175           "$TEST_IMG" && echo "unexpected pass"
 176 $QEMU_IMG rebase -u -b "$TEST_IMG.base" -F qcow2 "$TEST_IMG"
 177 $QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" "$TEST_IMG"
 178 $QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
 179 _check_test_img
 180
 181 echo
 182 echo "=== Testing invalid configurations ==="
 183 echo
 184 _make_test_img -o "compat=0.10" 64M
 185 $QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
 186 $QEMU_IMG amend -o "compat=1.1" "$TEST_IMG" # actually valid
 187 $QEMU_IMG amend -o "compat=0.10,lazy_refcounts=on" "$TEST_IMG"
 188 $QEMU_IMG amend -o "compat=0.42" "$TEST_IMG"
 189 $QEMU_IMG amend -o "foo=bar" "$TEST_IMG"
 190 $QEMU_IMG amend -o "cluster_size=1k" "$TEST_IMG"
 191 $QEMU_IMG amend -o "encryption=on" "$TEST_IMG"
 192 $QEMU_IMG amend -o "preallocation=on" "$TEST_IMG"
 193
 194 echo
 195 echo "=== Testing correct handling of unset value ==="
 196 echo
 197 _make_test_img -o "compat=1.1,cluster_size=1k" 64M
 198 echo "Should work:"
 199 $QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
 200 echo "Should not work:" # Just to know which of these tests actually fails
 201 $QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG"
 202
 203 echo
 204 echo "=== Testing zero expansion on inactive clusters ==="
 205 echo
 206 _make_test_img -o "compat=1.1" 64M
 207 $QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
 208 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 209 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
 210 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 211 _check_test_img
 212 $QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
 213 $QEMU_IMG snapshot -a foo "$TEST_IMG"
 214 _check_test_img
 215 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 216
 217 echo
 218 echo "=== Testing zero expansion on shared L2 table ==="
 219 echo
 220 _make_test_img -o "compat=1.1" 64M
 221 $QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
 222 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 223 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 224 _check_test_img
 225 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 226 $QEMU_IMG snapshot -a foo "$TEST_IMG"
 227 _check_test_img
 228 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 229
 230 echo
 231 echo "=== Testing zero expansion on backed image ==="
 232 echo
 233 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
 234 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
 235 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
 236 $QEMU_IO -c "read -P 0x2a 0 128k" -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io
 237 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 238 _check_test_img
 239 $QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
 240
 241 echo
 242 echo "=== Testing zero expansion on backed inactive clusters ==="
 243 echo
 244 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
 245 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
 246 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
 247 $QEMU_IO -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io
 248 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 249 $QEMU_IO -c "write -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io
 250 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 251 _check_test_img
 252 $QEMU_IO -c "read -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io
 253 $QEMU_IMG snapshot -a foo "$TEST_IMG"
 254 _check_test_img
 255 $QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
 256
 257 echo
 258 echo "=== Testing zero expansion on backed image with shared L2 table ==="
 259 echo
 260 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
 261 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
 262 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
 263 $QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
 264 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 265 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 266 _check_test_img
 267 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 268 $QEMU_IMG snapshot -a foo "$TEST_IMG"
 269 _check_test_img
 270 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 271
 272 echo
 273 echo "=== Testing preallocated zero expansion on full image ==="
 274 echo
 275 TEST_IMG="$TEST_IMG" _make_test_img -o "compat=1.1" 64M
 276 $QEMU_IO -c "write -P 0x2a 0 64M" "$TEST_IMG" -c "write -z 0 64M" | _filter_qemu_io
 277 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 278 _check_test_img
 279 $QEMU_IO -c "read -P 0 0 64M" "$TEST_IMG" | _filter_qemu_io
 280
 281 echo
 282 echo "=== Testing progress report without snapshot ==="
 283 echo
 284 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G
 285 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G
 286 $QEMU_IO -c "write -z 0  64k" \
 287          -c "write -z 1G 64k" \
 288          -c "write -z 2G 64k" \
 289          -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io
 290 $QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
 291 _check_test_img
 292
 293 echo
 294 echo "=== Testing progress report with snapshot ==="
 295 echo
 296 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G
 297 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G
 298 $QEMU_IO -c "write -z 0  64k" \
 299          -c "write -z 1G 64k" \
 300          -c "write -z 2G 64k" \
 301          -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io
 302 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 303 $QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
 304 _check_test_img
 305
 306 echo
 307 echo "=== Testing version downgrade with external data file ==="
 308 echo
 309 _make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M
 310 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 311 _img_info --format-specific
 312 _check_test_img
 313
 314 echo
 315 echo "=== Testing version downgrade with extended L2 entries ==="
 316 echo
 317 _make_test_img -o "compat=1.1,extended_l2=on" 64M
 318 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 319
 320 echo
 321 echo "=== Try changing the external data file ==="
 322 echo
 323 _make_test_img -o "compat=1.1" 64M
 324 $QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
 325
 326 echo
 327 _make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M
 328 $QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
 329 _img_info --format-specific
 330 TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
 331
 332 echo
 333 $QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG"
 334 _img_info --format-specific
 335 TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
 336
 337 echo
 338 echo "=== Clearing and setting data-file-raw ==="
 339 echo
 340 _make_test_img -o "compat=1.1,data_file=$TEST_IMG.data,data_file_raw=on" 64M
 341 $QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
 342 _img_info --format-specific
 343 _check_test_img
 344
 345 $QEMU_IMG amend -o "data_file_raw=off" "$TEST_IMG"
 346 _img_info --format-specific
 347 _check_test_img
 348
 349 $QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
 350 _img_info --format-specific
 351 _check_test_img
 352
 353
 354 # success, all done
 355 echo "*** done"
 356 rm -f $seq.full
 357 status=0