tests/qemu-iotests/131

   1 #!/usr/bin/env bash
   2 # group: rw quick
   3 #
   4 # parallels format validation tests (created by QEMU)
   5 #
   6 # Copyright (C) 2014 Denis V. Lunev <den@openvz.org>
   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=den@openvz.org
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     _cleanup_test_img
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39
  40 _supported_fmt parallels
  41 _supported_proto file
  42 _supported_os Linux
  43
  44 inuse_offset=$((0x2c))
  45
  46 size=$((64 * 1024 * 1024))
  47 IMGFMT=parallels
  48 _make_test_img $size
  49
  50 # get cluster size in sectors from "tracks" header field
  51 CLUSTER_SIZE_OFFSET=28
  52 CLUSTER_SIZE=$(peek_file_le $TEST_IMG $CLUSTER_SIZE_OFFSET 4)
  53 CLUSTER_SIZE=$((CLUSTER_SIZE * 512))
  54 CLUSTER_HALF_SIZE=$((CLUSTER_SIZE / 2))
  55 CLUSTER_DBL_SIZE=$((CLUSTER_SIZE * 2))
  56
  57 echo == read empty image ==
  58 { $QEMU_IO -c "read -P 0 $CLUSTER_HALF_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  59 echo == write more than 1 block in a row ==
  60 { $QEMU_IO -c "write -P 0x11 $CLUSTER_HALF_SIZE $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  61 echo == read less than block ==
  62 { $QEMU_IO -c "read -P 0x11 $CLUSTER_HALF_SIZE $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  63 echo == read exactly 1 block ==
  64 { $QEMU_IO -c "read -P 0x11 $CLUSTER_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  65 echo == read more than 1 block ==
  66 { $QEMU_IO -c "read -P 0x11 $CLUSTER_HALF_SIZE $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  67 echo == check that there is no trash after written ==
  68 { $QEMU_IO -c "read -P 0 $((CLUSTER_HALF_SIZE + CLUSTER_DBL_SIZE)) $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  69 echo == check that there is no trash before written ==
  70 { $QEMU_IO -c "read -P 0 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  71
  72 echo "== corrupt image =="
  73 poke_file "$TEST_IMG" "$inuse_offset" "\x59\x6e\x6f\x74"
  74 echo "== read corrupted image with repairing =="
  75 { $QEMU_IO -c "read -P 0x11 $CLUSTER_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  76
  77 echo "== check discard =="
  78
  79 # Clear image
  80 _make_test_img $size
  81
  82 { $QEMU_IO -c "write -P 0x11 0 $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  83 { $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
  84 { $QEMU_IO -c "discard 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  85 { $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
  86 { $QEMU_IO -c "read -P 0 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  87
  88 echo "== check simple allocation over the discarded hole =="
  89
  90 { $QEMU_IO -c "write -P 0x11 $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  91 { $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
  92 { $QEMU_IO -c "read -P 0x11 $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
  93
  94 echo "== check more complex allocation over the discard hole =="
  95
  96 # Clear image
  97 _make_test_img $size
  98
  99 { $QEMU_IO -c "write -P 0x11 $CLUSTER_DBL_SIZE $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 100 { $QEMU_IO -c "discard $CLUSTER_DBL_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 101 # There is 1 cluster hole. Fill it fully and allocate 1 cluster at the end
 102 { $QEMU_IO -c "write -P 0x12 $CLUSTER_HALF_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 103 { $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
 104 { $QEMU_IO -c "read -P 0x12 $CLUSTER_HALF_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 105 { $QEMU_IO -c "read -P 0 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 106 { $QEMU_IO -c "read -P 0 $((CLUSTER_SIZE + CLUSTER_HALF_SIZE)) $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 107
 108 echo "== check write-zeroes =="
 109
 110 # Clear image
 111 _make_test_img $size
 112
 113 { $QEMU_IO -c "write -P 0x11 0 $CLUSTER_DBL_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 114 { $QEMU_IO -c "write -z 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 115 { $QEMU_IMG map "$TEST_IMG"; } 2>&1 | _filter_qemu_img_map
 116 { $QEMU_IO -c "read -P 0 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 117 { $QEMU_IO -c "read -P 0x11 $CLUSTER_SIZE $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 118
 119 echo "== check cluster-partial write-zeroes =="
 120
 121 # Clear image
 122 _make_test_img $size
 123
 124 { $QEMU_IO -c "write -P 0x11 0 $CLUSTER_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 125 { $QEMU_IO -c "write -z 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 126 { $QEMU_IO -c "read -P 0 0 $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 127 { $QEMU_IO -c "read -P 0x11 $CLUSTER_HALF_SIZE $CLUSTER_HALF_SIZE" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir
 128
 129 echo "== allocate with backing =="
 130 # Verify that allocating clusters works fine even when there is a backing image.
 131 # Regression test for a bug where we would pass a buffer read from the backing
 132 # node as a QEMUIOVector object, which could cause anything from I/O errors over
 133 # assertion failures to invalid reads from memory.
 134
 135 # Clear image
 136 _make_test_img $size
 137 # Create base image
 138 TEST_IMG="$TEST_IMG.base" _make_test_img $size
 139
 140 # Write some data to the base image (which would trigger an assertion failure if
 141 # interpreted as a QEMUIOVector)
 142 $QEMU_IO -c "write -P 42 0 $CLUSTER_SIZE" "$TEST_IMG.base" | _filter_qemu_io
 143
 144 # Parallels does not seem to support storing a backing filename in the image
 145 # itself, so we need to build our backing chain on the command line
 146 imgopts="driver=$IMGFMT,file.driver=$IMGPROTO,file.filename=$TEST_IMG"
 147 imgopts+=",backing.driver=$IMGFMT"
 148 imgopts+=",backing.file.driver=$IMGPROTO,backing.file.filename=$TEST_IMG.base"
 149
 150 # Cause allocation in the top image
 151 QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \
 152     $QEMU_IO --image-opts "$imgopts" -c 'write -P 1 0 64' | _filter_qemu_io
 153
 154 # Verify
 155 QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \
 156     $QEMU_IO --image-opts "$imgopts" \
 157     -c 'read -P 1 0 64' \
 158     -c "read -P 42 64 $((CLUSTER_SIZE - 64))" \
 159     -c "read -P 0 $CLUSTER_SIZE $((size - CLUSTER_SIZE))" \
 160     | _filter_qemu_io
 161
 162 # success, all done
 163 echo "*** done"
 164 rm -f $seq.full
 165 status=0