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 $size" | _filter_qemu_io
 100
 101 echo
 102 echo "== checking mixed reference/option specification =="
 103
 104 run_qemu <<EOF
 105 { "execute": "qmp_capabilities" }
 106 { "execute": "blockdev-add",
 107     "arguments": {
 108         "options": {
 109             "node-name": "drive2",
 110             "driver": "$IMGFMT",
 111             "file": {
 112                 "driver": "file",
 113                 "filename": "$TEST_DIR/2.raw"
 114             }
 115         }
 116     }
 117 }
 118 { "execute": "blockdev-add",
 119     "arguments": {
 120         "options": {
 121             "driver": "quorum",
 122             "id": "drive0-quorum",
 123             "vote-threshold": 2,
 124             "children": [
 125                 {
 126                     "driver": "$IMGFMT",
 127                     "file": {
 128                         "driver": "file",
 129                         "filename": "$TEST_DIR/1.raw"
 130                     }
 131                 },
 132                 "drive2",
 133                 {
 134                     "driver": "$IMGFMT",
 135                     "file": {
 136                         "driver": "file",
 137                         "filename": "$TEST_DIR/3.raw"
 138                     }
 139                 }
 140             ]
 141         }
 142     }
 143 }
 144 { "execute": "human-monitor-command",
 145     "arguments": {
 146         "command-line": 'qemu-io drive0-quorum "read -P 0x32 0 $size"'
 147     }
 148 }
 149 { "execute": "quit" }
 150 EOF
 151
 152 echo
 153 echo "== using quorum rewrite corrupted mode =="
 154
 155 quorum="$quorum,file.rewrite-corrupted=on"
 156
 157 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 158
 159 echo
 160 echo "== checking that quorum has corrected the corrupted file =="
 161
 162 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 163
 164 echo
 165 echo "== breaking quorum =="
 166
 167 $QEMU_IO -c "write -P 0x41 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
 168 $QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 169
 170 echo
 171 echo "== checking that quorum is broken =="
 172
 173 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 174
 175 # success, all done
 176 echo "*** done"
 177 rm -f $seq.full
 178 status=0