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=mreitz@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 _unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)' data_file cluster_size
  52
  53 echo
  54 echo "=== Testing version downgrade with zero expansion ==="
  55 echo
  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
  64 echo
  65 echo "=== Testing version downgrade with zero expansion and 4K cache entries ==="
  66 echo
  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
  80 echo
  81 echo "=== Testing dirty version downgrade ==="
  82 echo
  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
  93 echo
  94 echo "=== Testing version downgrade with unknown compat/autoclear flags ==="
  95 echo
  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
 104 echo
 105 echo "=== Testing version upgrade and resize ==="
 106 echo
 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
 115 echo
 116 echo "=== Testing resize with snapshots ==="
 117 echo
 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
 150 echo
 151 echo "=== Testing dirty lazy_refcounts=off ==="
 152 echo
 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
 163 echo
 164 echo "=== Testing backing file ==="
 165 echo
 166 _make_test_img -o "compat=1.1" 64M
 167 TEST_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
 174 echo
 175 echo "=== Testing invalid configurations ==="
 176 echo
 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
 187 echo
 188 echo "=== Testing correct handling of unset value ==="
 189 echo
 190 _make_test_img -o "compat=1.1,cluster_size=1k" 64M
 191 echo "Should work:"
 192 $QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
 193 echo "Should not work:" # Just to know which of these tests actually fails
 194 $QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG"
 195
 196 echo
 197 echo "=== Testing zero expansion on inactive clusters ==="
 198 echo
 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
 210 echo
 211 echo "=== Testing zero expansion on shared L2 table ==="
 212 echo
 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
 223 echo
 224 echo "=== Testing zero expansion on backed image ==="
 225 echo
 226 TEST_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
 234 echo
 235 echo "=== Testing zero expansion on backed inactive clusters ==="
 236 echo
 237 TEST_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
 250 echo
 251 echo "=== Testing zero expansion on backed image with shared L2 table ==="
 252 echo
 253 TEST_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
 265 echo
 266 echo "=== Testing preallocated zero expansion on full image ==="
 267 echo
 268 TEST_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
 274 echo
 275 echo "=== Testing progress report without snapshot ==="
 276 echo
 277 TEST_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
 286 echo
 287 echo "=== Testing progress report with snapshot ==="
 288 echo
 289 TEST_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
 299 echo
 300 echo "=== Testing version downgrade with external data file ==="
 301 echo
 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
 307 echo
 308 echo "=== Testing version downgrade with extended L2 entries ==="
 309 echo
 310 _make_test_img -o "compat=1.1,extended_l2=on" 64M
 311 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 312
 313 echo
 314 echo "=== Try changing the external data file ==="
 315 echo
 316 _make_test_img -o "compat=1.1" 64M
 317 $QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
 318
 319 echo
 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
 323 TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
 324
 325 echo
 326 $QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG"
 327 _img_info --format-specific
 328 TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
 329
 330 echo
 331 echo "=== Clearing and setting data-file-raw ==="
 332 echo
 333 _make_test_img -o "compat=1.1,data_file=$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
 348 echo "*** done"
 349 rm -f $seq.full
 350 status=0