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 "$@" 2>&1 | _filter_testdir | _filter_qmp | _filter_qemu_io
  57 }
  58
  59 test_quorum=$($QEMU_IMG --help|grep quorum)
  60 [ "$test_quorum" = "" ] && _supported_fmt quorum
  61
  62 quorum="file.driver=quorum,file.children.0.file.filename=$TEST_DIR/1.raw"
  63 quorum="$quorum,file.children.1.file.filename=$TEST_DIR/2.raw"
  64 quorum="$quorum,file.children.2.file.filename=$TEST_DIR/3.raw,file.vote-threshold=2"
  65
  66 echo
  67 echo "== creating quorum files =="
  68
  69 size=10M
  70
  71 TEST_IMG="$TEST_DIR/1.raw" _make_test_img $size
  72 TEST_IMG="$TEST_DIR/2.raw" _make_test_img $size
  73 TEST_IMG="$TEST_DIR/3.raw" _make_test_img $size
  74
  75 echo
  76 echo "== writing images =="
  77
  78 $QEMU_IO -c "open -o $quorum" -c "write -P 0x32 0 $size" | _filter_qemu_io
  79
  80 echo
  81 echo "== checking quorum write =="
  82
  83 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
  84 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
  85 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/3.raw" | _filter_qemu_io
  86
  87 echo
  88 echo "== corrupting image =="
  89
  90 $QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
  91
  92 echo
  93 echo "== checking quorum correction =="
  94
  95 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
  96
  97 echo
  98 echo "== checking mixed reference/option specification =="
  99
 100 run_qemu -drive "file=$TEST_DIR/2.raw,format=$IMGFMT,if=none,id=drive2" <<EOF
 101 { "execute": "qmp_capabilities" }
 102 { "execute": "blockdev-add",
 103     "arguments": {
 104         "options": {
 105             "driver": "quorum",
 106             "id": "drive0-quorum",
 107             "vote-threshold": 2,
 108             "children": [
 109                 {
 110                     "driver": "raw",
 111                     "file": {
 112                         "driver": "file",
 113                         "filename": "$TEST_DIR/1.raw"
 114                     }
 115                 },
 116                 "drive2",
 117                 {
 118                     "driver": "raw",
 119                     "file": {
 120                         "driver": "file",
 121                         "filename": "$TEST_DIR/3.raw"
 122                     }
 123                 }
 124             ]
 125         }
 126     }
 127 }
 128 { "execute": "human-monitor-command",
 129     "arguments": {
 130         "command-line": 'qemu-io drive0-quorum "read -P 0x32 0 $size"'
 131     }
 132 }
 133 { "execute": "quit" }
 134 EOF
 135
 136 echo
 137 echo "== using quorum rewrite corrupted mode =="
 138
 139 quorum="$quorum,file.rewrite-corrupted=on"
 140
 141 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 142
 143 echo
 144 echo "== checking that quorum has corrected the corrupted file =="
 145
 146 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 147
 148 echo
 149 echo "== breaking quorum =="
 150
 151 $QEMU_IO -c "write -P 0x41 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
 152 $QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 153
 154 echo
 155 echo "== checking that quorum is broken =="
 156
 157 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 158
 159 # success, all done
 160 echo "*** done"
 161 rm -f $seq.full
 162 status=0