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" \
 171           "$TEST_IMG" && echo "unexpected pass"
 172 $QEMU_IMG rebase -u -b "$TEST_IMG.base" -F qcow2 "$TEST_IMG"
 173 $QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" "$TEST_IMG"
 174 $QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
 175 _check_test_img
 176
 177 echo
 178 echo "=== Testing invalid configurations ==="
 179 echo
 180 _make_test_img -o "compat=0.10" 64M
 181 $QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
 182 $QEMU_IMG amend -o "compat=1.1" "$TEST_IMG" # actually valid
 183 $QEMU_IMG amend -o "compat=0.10,lazy_refcounts=on" "$TEST_IMG"
 184 $QEMU_IMG amend -o "compat=0.42" "$TEST_IMG"
 185 $QEMU_IMG amend -o "foo=bar" "$TEST_IMG"
 186 $QEMU_IMG amend -o "cluster_size=1k" "$TEST_IMG"
 187 $QEMU_IMG amend -o "encryption=on" "$TEST_IMG"
 188 $QEMU_IMG amend -o "preallocation=on" "$TEST_IMG"
 189
 190 echo
 191 echo "=== Testing correct handling of unset value ==="
 192 echo
 193 _make_test_img -o "compat=1.1,cluster_size=1k" 64M
 194 echo "Should work:"
 195 $QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
 196 echo "Should not work:" # Just to know which of these tests actually fails
 197 $QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG"
 198
 199 echo
 200 echo "=== Testing zero expansion on inactive clusters ==="
 201 echo
 202 _make_test_img -o "compat=1.1" 64M
 203 $QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
 204 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 205 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
 206 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 207 _check_test_img
 208 $QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io
 209 $QEMU_IMG snapshot -a foo "$TEST_IMG"
 210 _check_test_img
 211 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 212
 213 echo
 214 echo "=== Testing zero expansion on shared L2 table ==="
 215 echo
 216 _make_test_img -o "compat=1.1" 64M
 217 $QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
 218 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 219 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 220 _check_test_img
 221 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 222 $QEMU_IMG snapshot -a foo "$TEST_IMG"
 223 _check_test_img
 224 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 225
 226 echo
 227 echo "=== Testing zero expansion on backed image ==="
 228 echo
 229 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
 230 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
 231 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
 232 $QEMU_IO -c "read -P 0x2a 0 128k" -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io
 233 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 234 _check_test_img
 235 $QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
 236
 237 echo
 238 echo "=== Testing zero expansion on backed inactive clusters ==="
 239 echo
 240 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
 241 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
 242 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
 243 $QEMU_IO -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io
 244 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 245 $QEMU_IO -c "write -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io
 246 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 247 _check_test_img
 248 $QEMU_IO -c "read -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io
 249 $QEMU_IMG snapshot -a foo "$TEST_IMG"
 250 _check_test_img
 251 $QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io
 252
 253 echo
 254 echo "=== Testing zero expansion on backed image with shared L2 table ==="
 255 echo
 256 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 64M
 257 $QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io
 258 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 64M
 259 $QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io
 260 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 261 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 262 _check_test_img
 263 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 264 $QEMU_IMG snapshot -a foo "$TEST_IMG"
 265 _check_test_img
 266 $QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io
 267
 268 echo
 269 echo "=== Testing preallocated zero expansion on full image ==="
 270 echo
 271 TEST_IMG="$TEST_IMG" _make_test_img -o "compat=1.1" 64M
 272 $QEMU_IO -c "write -P 0x2a 0 64M" "$TEST_IMG" -c "write -z 0 64M" | _filter_qemu_io
 273 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 274 _check_test_img
 275 $QEMU_IO -c "read -P 0 0 64M" "$TEST_IMG" | _filter_qemu_io
 276
 277 echo
 278 echo "=== Testing progress report without snapshot ==="
 279 echo
 280 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G
 281 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G
 282 $QEMU_IO -c "write -z 0  64k" \
 283          -c "write -z 1G 64k" \
 284          -c "write -z 2G 64k" \
 285          -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io
 286 $QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
 287 _check_test_img
 288
 289 echo
 290 echo "=== Testing progress report with snapshot ==="
 291 echo
 292 TEST_IMG="$TEST_IMG.base" _make_test_img -o "compat=1.1" 4G
 293 _make_test_img -o "compat=1.1" -b "$TEST_IMG.base" -F $IMGFMT 4G
 294 $QEMU_IO -c "write -z 0  64k" \
 295          -c "write -z 1G 64k" \
 296          -c "write -z 2G 64k" \
 297          -c "write -z 3G 64k" "$TEST_IMG" | _filter_qemu_io
 298 $QEMU_IMG snapshot -c foo "$TEST_IMG"
 299 $QEMU_IMG amend -p -o "compat=0.10" "$TEST_IMG"
 300 _check_test_img
 301
 302 echo
 303 echo "=== Testing version downgrade with external data file ==="
 304 echo
 305 _make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M
 306 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 307 _img_info --format-specific
 308 _check_test_img
 309
 310 echo
 311 echo "=== Testing version downgrade with extended L2 entries ==="
 312 echo
 313 _make_test_img -o "compat=1.1,extended_l2=on" 64M
 314 $QEMU_IMG amend -o "compat=0.10" "$TEST_IMG"
 315
 316 echo
 317 echo "=== Try changing the external data file ==="
 318 echo
 319 _make_test_img -o "compat=1.1" 64M
 320 $QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
 321
 322 echo
 323 _make_test_img -o "compat=1.1,data_file=$TEST_IMG.data" 64M
 324 $QEMU_IMG amend -o "data_file=foo" "$TEST_IMG"
 325 _img_info --format-specific
 326 TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
 327
 328 echo
 329 $QEMU_IMG amend -o "data_file=" --image-opts "data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG"
 330 _img_info --format-specific
 331 TEST_IMG="data-file.filename=$TEST_IMG.data,file.filename=$TEST_IMG" _img_info --format-specific --image-opts
 332
 333 echo
 334 echo "=== Clearing and setting data-file-raw ==="
 335 echo
 336 _make_test_img -o "compat=1.1,data_file=$TEST_IMG.data,data_file_raw=on" 64M
 337 $QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
 338 _img_info --format-specific
 339 _check_test_img
 340
 341 $QEMU_IMG amend -o "data_file_raw=off" "$TEST_IMG"
 342 _img_info --format-specific
 343 _check_test_img
 344
 345 $QEMU_IMG amend -o "data_file_raw=on" "$TEST_IMG"
 346 _img_info --format-specific
 347 _check_test_img
 348
 349
 350 # success, all done
 351 echo "*** done"
 352 rm -f $seq.full
 353 status=0