Archipelago » qemu

#!/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

function do_run_qemu()

{

    echo Testing: "$@" | _filter_imgfmt

    $QEMU -nographic -qmp stdio -serial none "$@"

    echo

}

function run_qemu()

{

    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp | _filter_qemu_io

}

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 "== checking mixed reference/option specification =="

run_qemu -drive "file=$TEST_DIR/2.raw,format=$IMGFMT,if=none,id=drive2" <<EOF

{ "execute": "qmp_capabilities" }

{ "execute": "blockdev-add",

    "arguments": {

        "options": {

            "driver": "quorum",

            "id": "drive0-quorum",

            "vote-threshold": 2,

            "children": [

                {

                    "driver": "raw",

                    "file": {

                        "driver": "file",

                        "filename": "$TEST_DIR/1.raw"

                    }

                },

                "drive2",

                {

                    "driver": "raw",

                    "file": {

                        "driver": "file",

                        "filename": "$TEST_DIR/3.raw"

                    }

                }

            ]

        }

    }

}

{ "execute": "human-monitor-command",

    "arguments": {

        "command-line": 'qemu-io drive0-quorum "read -P 0x32 0 $size"'

    }

}

{ "execute": "quit" }

EOF

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