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 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     rm -rf $TEST_DIR/1.raw
  33     rm -rf $TEST_DIR/2.raw
  34     rm -rf $TEST_DIR/3.raw
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common.rc
  40 . ./common.filter
  41
  42 _supported_fmt raw
  43 _supported_proto file
  44 _supported_os Linux
  45
  46 function do_run_qemu()
  47 {
  48     echo Testing: "$@" | _filter_imgfmt
  49     $QEMU -nographic -qmp stdio -serial none "$@"
  50     echo
  51 }
  52
  53 function run_qemu()
  54 {
  55     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
  56                           | _filter_qemu_io | _filter_generated_node_ids
  57 }
  58
  59 test_quorum=$($QEMU_IMG --help|grep quorum)
  60 [ "$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 $size" | _filter_qemu_io
 100
 101 echo
 102 echo "== checking mixed reference/option specification =="
 103
 104 run_qemu <<EOF
 105 { "execute": "qmp_capabilities" }
 106 { "execute": "blockdev-add",
 107     "arguments": {
 108         "node-name": "drive2",
 109         "driver": "$IMGFMT",
 110         "file": {
 111             "driver": "file",
 112             "filename": "$TEST_DIR/2.raw"
 113         }
 114     }
 115 }
 116 { "execute": "blockdev-add",
 117     "arguments": {
 118         "driver": "quorum",
 119         "node-name": "drive0-quorum",
 120         "vote-threshold": 2,
 121         "children": [
 122             {
 123                 "driver": "$IMGFMT",
 124                 "file": {
 125                     "driver": "file",
 126                     "filename": "$TEST_DIR/1.raw"
 127                 }
 128             },
 129             "drive2",
 130             {
 131                 "driver": "$IMGFMT",
 132                 "file": {
 133                     "driver": "file",
 134                     "filename": "$TEST_DIR/3.raw"
 135                 }
 136             }
 137         ]
 138     }
 139 }
 140 { "execute": "human-monitor-command",
 141     "arguments": {
 142         "command-line": 'qemu-io drive0-quorum "read -P 0x32 0 $size"'
 143     }
 144 }
 145 { "execute": "quit" }
 146 EOF
 147
 148 echo
 149 echo "== using quorum rewrite corrupted mode =="
 150
 151 quorum="$quorum,file.rewrite-corrupted=on"
 152
 153 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 154
 155 echo
 156 echo "== checking that quorum has corrected the corrupted file =="
 157
 158 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 159
 160 echo
 161 echo "== breaking quorum =="
 162
 163 $QEMU_IO -c "write -P 0x41 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
 164 $QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 165
 166 echo
 167 echo "== checking that quorum is broken =="
 168
 169 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 170
 171 # success, all done
 172 echo "*** done"
 173 rm -f $seq.full
 174 status=0