qemu/tests/qemu-iotests/081

   1 #!/bin/bash
   2 #
   3 # Test Quorum block driver
   4 #
   5 # Copyright (C) 2013 Nodalink, SARL.
   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=benoit@irqsave.net
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 here=`pwd`
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33     rm -rf $TEST_DIR/1.raw
  34     rm -rf $TEST_DIR/2.raw
  35     rm -rf $TEST_DIR/3.raw
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and checks
  40 . ./common.rc
  41 . ./common.filter
  42
  43 _supported_fmt raw
  44 _supported_proto file
  45 _supported_os Linux
  46
  47 function do_run_qemu()
  48 {
  49     echo Testing: "$@" | _filter_imgfmt
  50     $QEMU -nographic -qmp stdio -serial none "$@"
  51     echo
  52 }
  53
  54 function run_qemu()
  55 {
  56     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp | _filter_qemu_io
  57 }
  58
  59 test_quorum=$($QEMU_IMG --help|grep quorum)
  60 [ "$test_quorum" = "" ] && _supported_fmt quorum
  61
  62 quorum="driver=raw,file.driver=quorum,file.vote-threshold=2"
  63 quorum="$quorum,file.children.0.file.filename=$TEST_DIR/1.raw"
  64 quorum="$quorum,file.children.1.file.filename=$TEST_DIR/2.raw"
  65 quorum="$quorum,file.children.2.file.filename=$TEST_DIR/3.raw"
  66 quorum="$quorum,file.children.0.driver=raw"
  67 quorum="$quorum,file.children.1.driver=raw"
  68 quorum="$quorum,file.children.2.driver=raw"
  69
  70 echo
  71 echo "== creating quorum files =="
  72
  73 size=10M
  74
  75 TEST_IMG="$TEST_DIR/1.raw" _make_test_img $size
  76 TEST_IMG="$TEST_DIR/2.raw" _make_test_img $size
  77 TEST_IMG="$TEST_DIR/3.raw" _make_test_img $size
  78
  79 echo
  80 echo "== writing images =="
  81
  82 $QEMU_IO -c "open -o $quorum" -c "write -P 0x32 0 $size" | _filter_qemu_io
  83
  84 echo
  85 echo "== checking quorum write =="
  86
  87 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
  88 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
  89 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/3.raw" | _filter_qemu_io
  90
  91 echo
  92 echo "== corrupting image =="
  93
  94 $QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
  95
  96 echo
  97 echo "== checking quorum correction =="
  98
  99 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 100
 101 echo
 102 echo "== checking mixed reference/option specification =="
 103
 104 run_qemu -drive "file=$TEST_DIR/2.raw,format=$IMGFMT,if=none,id=drive2" <<EOF
 105 { "execute": "qmp_capabilities" }
 106 { "execute": "blockdev-add",
 107     "arguments": {
 108         "options": {
 109             "driver": "quorum",
 110             "id": "drive0-quorum",
 111             "vote-threshold": 2,
 112             "children": [
 113                 {
 114                     "driver": "raw",
 115                     "file": {
 116                         "driver": "file",
 117                         "filename": "$TEST_DIR/1.raw"
 118                     }
 119                 },
 120                 "drive2",
 121                 {
 122                     "driver": "raw",
 123                     "file": {
 124                         "driver": "file",
 125                         "filename": "$TEST_DIR/3.raw"
 126                     }
 127                 }
 128             ]
 129         }
 130     }
 131 }
 132 { "execute": "human-monitor-command",
 133     "arguments": {
 134         "command-line": 'qemu-io drive0-quorum "read -P 0x32 0 $size"'
 135     }
 136 }
 137 { "execute": "quit" }
 138 EOF
 139
 140 echo
 141 echo "== using quorum rewrite corrupted mode =="
 142
 143 quorum="$quorum,file.rewrite-corrupted=on"
 144
 145 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 146
 147 echo
 148 echo "== checking that quorum has corrected the corrupted file =="
 149
 150 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 151
 152 echo
 153 echo "== breaking quorum =="
 154
 155 $QEMU_IO -c "write -P 0x41 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
 156 $QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 157
 158 echo
 159 echo "== checking that quorum is broken =="
 160
 161 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 162
 163 # success, all done
 164 echo "*** done"
 165 rm -f $seq.full
 166 status=0