tests/qemu-iotests/061

   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
  22 owner=mreitz@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _cleanup_test_img
  32     _rm_test_img "$TEST_IMG.data"
  33 }
  34 trap "_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
  52 echo
  53 echo "=== Testing version downgrade with zero expansion ==="
  54 echo
  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
  63 echo
  64 echo "=== Testing version downgrade with zero expansion and 4K cache entries ==="
  65 echo
  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
  79 echo
  80 echo "=== Testing dirty version downgrade ==="
  81 echo
  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
  92 echo
  93 echo "=== Testing version downgrade with unknown compat/autoclear flags ==="
  94 echo
  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
 103 echo
 104 echo "=== Testing version upgrade and resize ==="
 105 echo
 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
 114 echo
 115 echo "=== Testing resize with snapshots ==="
 116 echo
 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
 149 echo
 150 echo "=== Testing dirty lazy_refcounts=off ==="
 151 echo
 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
 162 echo
 163 echo "=== Testing backing file ==="
 164 echo
 165 _make_test_img -o "compat=1.1" 64M
 166 TEST_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
 173 echo
 174 echo "=== Testing invalid configurations ==="
 175 echo
 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
 186 echo
 187 echo "=== Testing correct handling of unset value ==="
 188 echo
 189 _make_test_img -o "compat=1.1,cluster_size=1k" 64M
 190 echo "Should work:"
 191 $QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
 192 echo "Should not work:" # Just to know which of these tests actually fails
 193 $QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG"
 194
 195 echo
 196 echo "=== Testing zero expansion on inactive clusters ==="
 197 echo
 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
 209 echo
 210 echo "=== Testing zero expansion on shared L2 table ==="
 211 echo
 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
 222 echo
 223 echo "=== Testing zero expansion on backed image ==="
 224 echo
 225 TEST_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
 233 echo
 234 echo "=== Testing zero expansion on backed inactive clusters ==="
 235 echo
 236 TEST_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
 249 echo
 250 echo "=== Testing zero expansion on backed image with shared L2 table ==="
 251 echo
 252 TEST_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
 264 echo
 265 echo "=== Testing preallocated zero expansion on full image ==="
 266 echo
 267 TEST_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
 273 echo
 274 echo "=== Testing progress report without snapshot ==="
 275 echo
 276 TEST_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
 285 echo
 286 echo "=== Testing progress report with snapshot ==="
 287 echo
 288 TEST_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
 298 echo
 299 echo "=== Testing version downgrade with external data file ==="
 300 echo
 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
 306 echo
 307 echo "=== Testing version downgrade with extended L2 entries ==="
 308 echo
 309 _make_test_img -o "compat=1.1,extended_l2=on" 64M
 310 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 311
 312 echo
 313 echo "=== Try changing the external data file ==="
 314 echo
 315 _make_test_img -o "compat=1.1" 64M
 316 $QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
 317
 318 echo
 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
 322 TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
 323
 324 echo
 325 $QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG"
 326 _img_info --format-specific
 327 TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
 328
 329 echo
 330 echo "=== Clearing and setting data-file-raw ==="
 331 echo
 332 _make_test_img -o "compat=1.1,data_file=$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
 347 echo "*** done"
 348 rm -f $seq.full
 349 status=0