tests/qemu-iotests/081

#!/bin/bash
#
# Test Quorum block driver
#
# Copyright (C) 2013 Nodalink, SARL.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# creator
owner=benoit@irqsave.net

seq=`basename $0`
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1	# failure is the default!

_cleanup()
{
    rm -rf $TEST_DIR/1.raw
    rm -rf $TEST_DIR/2.raw
    rm -rf $TEST_DIR/3.raw
}
trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks
. ./common.rc
. ./common.filter

_supported_fmt raw
_supported_proto generic
_supported_os Linux

quorum="file.driver=quorum,file.children.0.file.filename=$TEST_DIR/1.raw"
quorum="$quorum,file.children.1.file.filename=$TEST_DIR/2.raw"
quorum="$quorum,file.children.2.file.filename=$TEST_DIR/3.raw,file.vote-threshold=2"

echo
echo "== creating quorum files =="

size=10M

TEST_IMG="$TEST_DIR/1.raw" _make_test_img $size
TEST_IMG="$TEST_DIR/2.raw" _make_test_img $size
TEST_IMG="$TEST_DIR/3.raw" _make_test_img $size

echo
echo "== writing images =="

$QEMU_IO -c "open -o $quorum" -c "write -P 0x32 0 $size" | _filter_qemu_io

echo
echo "== checking quorum write =="

$QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
$QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io
$QEMU_IO -c "read -P 0x32 0 $size" "$TEST_DIR/3.raw" | _filter_qemu_io

echo
echo "== corrupting image =="

$QEMU_IO -c "write -P 0x42 0 $size" "$TEST_DIR/2.raw" | _filter_qemu_io

echo
echo "== checking quorum correction =="

$QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io

echo
echo "== breaking quorum =="

$QEMU_IO -c "write -P 0x41 0 $size" "$TEST_DIR/1.raw" | _filter_qemu_io
echo
echo "== checking that quorum is broken =="

$QEMU_IO -c "open -o $quorum" -c "read -P 0x32 0 $size" | _filter_qemu_io


# success, all done
echo "*** done"
rm -f $seq.full
status=0