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 "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
  57                           | _filter_qemu_io | _filter_generated_node_ids
  58 }
  59
  60 test_quorum=$($QEMU_IMG --help|grep quorum)
  61 [ "$test_quorum" = "" ] && _supported_fmt quorum
  62
  63 quorum="driver=raw,file.driver=quorum,file.vote-threshold=2"
  64 quorum="$quorum,file.children.0.file.filename=$TEST_DIR/1.raw"
  65 quorum="$quorum,file.children.1.file.filename=$TEST_DIR/2.raw"
  66 quorum="$quorum,file.children.2.file.filename=$TEST_DIR/3.raw"
  67 quorum="$quorum,file.children.0.driver=raw"
  68 quorum="$quorum,file.children.1.driver=raw"
  69 quorum="$quorum,file.children.2.driver=raw"
  70
  71 echo
  72 echo "== creating quorum files =="
  73
  74 size=10M
  75
  76 TEST_IMG="$TEST_DIR/1.raw" _make_test_img $size
  77 TEST_IMG="$TEST_DIR/2.raw" _make_test_img $size
  78 TEST_IMG="$TEST_DIR/3.raw" _make_test_img $size
  79
  80 echo
  81 echo "== writing images =="
  82
  83 $QEMU_IO -c "open -o $quorum" -c "write -P 0x32 0 $size" | _filter_qemu_io
  84
  85 echo
  86 echo "== checking quorum write =="
  87
  88 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
  89 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
  90 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/3.raw" | _filter_qemu_io
  91
  92 echo
  93 echo "== corrupting image =="
  94
  95 $QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
  96
  97 echo
  98 echo "== checking quorum correction =="
  99
 100 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 101
 102 echo
 103 echo "== checking mixed reference/option specification =="
 104
 105 run_qemu <<EOF
 106 { "execute": "qmp_capabilities" }
 107 { "execute": "blockdev-add",
 108     "arguments": {
 109         "options": {
 110             "node-name": "drive2",
 111             "driver": "$IMGFMT",
 112             "file": {
 113                 "driver": "file",
 114                 "filename": "$TEST_DIR/2.raw"
 115             }
 116         }
 117     }
 118 }
 119 { "execute": "blockdev-add",
 120     "arguments": {
 121         "options": {
 122             "driver": "quorum",
 123             "id": "drive0-quorum",
 124             "vote-threshold": 2,
 125             "children": [
 126                 {
 127                     "driver": "$IMGFMT",
 128                     "file": {
 129                         "driver": "file",
 130                         "filename": "$TEST_DIR/1.raw"
 131                     }
 132                 },
 133                 "drive2",
 134                 {
 135                     "driver": "$IMGFMT",
 136                     "file": {
 137                         "driver": "file",
 138                         "filename": "$TEST_DIR/3.raw"
 139                     }
 140                 }
 141             ]
 142         }
 143     }
 144 }
 145 { "execute": "human-monitor-command",
 146     "arguments": {
 147         "command-line": 'qemu-io drive0-quorum "read -P 0x32 0 $size"'
 148     }
 149 }
 150 { "execute": "quit" }
 151 EOF
 152
 153 echo
 154 echo "== using quorum rewrite corrupted mode =="
 155
 156 quorum="$quorum,file.rewrite-corrupted=on"
 157
 158 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 159
 160 echo
 161 echo "== checking that quorum has corrected the corrupted file =="
 162
 163 $QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 164
 165 echo
 166 echo "== breaking quorum =="
 167
 168 $QEMU_IO -c "write -P 0x41 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
 169 $QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
 170
 171 echo
 172 echo "== checking that quorum is broken =="
 173
 174 $QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io
 175
 176 # success, all done
 177 echo "*** done"
 178 rm -f $seq.full
 179 status=0