tests/qemu-iotests/common.config

#!/bin/bash
#
# Copyright (C) 2009 Red Hat, Inc.
# Copyright (c) 2000-2003,2006 Silicon Graphics, Inc.  All Rights Reserved.
#
# 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.
#
# This program is distributed in the hope that it would 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/>.
#
# all tests should use a common language setting to prevent golden
# output mismatches.
export LANG=C

PATH=".:$PATH"

HOSTOS=`uname -s`
arch=`uname -m`

export PWD=`pwd`

export _QEMU_HANDLE=0

# make sure we have a standard umask
umask 022

_optstr_add()
{
    if [ -n "$1" ]; then
        echo "$1,$2"
    else
        echo "$2"
    fi
}

_qemu_wrapper()
{
    (
        if [ -n "${QEMU_NEED_PID}" ]; then
            echo $BASHPID > "${QEMU_TEST_DIR}/qemu-${_QEMU_HANDLE}.pid"
        fi
        exec "$QEMU_PROG" $QEMU_OPTIONS "$@"
    )
}

_qemu_img_wrapper()
{
    (exec "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@")
}

_qemu_io_wrapper()
{
    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
    local QEMU_IO_ARGS="$QEMU_IO_OPTIONS"
    if [ "$IMGOPTSSYNTAX" = "true" ]; then
        QEMU_IO_ARGS="--image-opts $QEMU_IO_ARGS"
        if [ -n "$IMGKEYSECRET" ]; then
            QEMU_IO_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IO_ARGS"
        fi
    fi
    local RETVAL
    (
        if [ "${VALGRIND_QEMU}" == "y" ]; then
            exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
        else
            exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
        fi
    )
    RETVAL=$?
    if [ "${VALGRIND_QEMU}" == "y" ]; then
        if [ $RETVAL == 99 ]; then
            cat "${VALGRIND_LOGFILE}"
        fi
        rm -f "${VALGRIND_LOGFILE}"
    fi
    (exit $RETVAL)
}

_qemu_nbd_wrapper()
{
    (
        echo $BASHPID > "${QEMU_TEST_DIR}/qemu-nbd.pid"
        exec "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS "$@"
    )
}

_qemu_vxhs_wrapper()
{
    (
        echo $BASHPID > "${TEST_DIR}/qemu-vxhs.pid"
        exec "$QEMU_VXHS_PROG" $QEMU_VXHS_OPTIONS "$@"
    )
}

export QEMU=_qemu_wrapper
export QEMU_IMG=_qemu_img_wrapper
export QEMU_IO=_qemu_io_wrapper
export QEMU_NBD=_qemu_nbd_wrapper
export QEMU_VXHS=_qemu_vxhs_wrapper

QEMU_IMG_EXTRA_ARGS=
if [ "$IMGOPTSSYNTAX" = "true" ]; then
    QEMU_IMG_EXTRA_ARGS="--image-opts $QEMU_IMG_EXTRA_ARGS"
    if [ -n "$IMGKEYSECRET" ]; then
        QEMU_IMG_EXTRA_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET $QEMU_IMG_EXTRA_ARGS"
    fi
fi
export QEMU_IMG_EXTRA_ARGS


default_machine=$($QEMU -machine help | sed -n '/(default)/ s/ .*//p')
default_alias_machine=$($QEMU -machine help | \
   sed -n "/(alias of $default_machine)/ { s/ .*//p; q; }")
if [[ "$default_alias_machine" ]]; then
    default_machine="$default_alias_machine"
fi

export QEMU_DEFAULT_MACHINE="$default_machine"

if [ -z "$TEST_DIR" ]; then
        TEST_DIR=`pwd`/scratch
fi

QEMU_TEST_DIR="${TEST_DIR}"

if [ ! -e "$TEST_DIR" ]; then
        mkdir "$TEST_DIR"
fi

if [ ! -d "$TEST_DIR" ]; then
    echo "common.config: Error: \$TEST_DIR ($TEST_DIR) is not a directory"
    exit 1
fi

export TEST_DIR

if [ -z "$SAMPLE_IMG_DIR" ]; then
        SAMPLE_IMG_DIR="$source_iotests/sample_images"
fi

if [ ! -d "$SAMPLE_IMG_DIR" ]; then
    echo "common.config: Error: \$SAMPLE_IMG_DIR ($SAMPLE_IMG_DIR) is not a directory"
    exit 1
fi

export SAMPLE_IMG_DIR

# make sure this script returns success
true