GDP

#!/bin/sh

#

#  Wrapper for starting up gdplogd

#

# allow environment to give us a different configuration; local overrides

: ${GDP_VER=}

{ test -r /etc/gdp.conf.sh && . /etc/gdp.conf.sh; }

{ test -r /usr/local/etc/gdp.conf.sh && . /usr/local/etc/gdp.conf.sh; }

{ test -r /etc/gdp${GDP_VER}.conf.sh && . /etc/gdp${GDP_VER}.conf.sh; }

{ test -r /usr/local/etc/gdp${GDP_VER}.conf.sh && . /usr/local/etc/gdp${GDP_VER}.conf.sh; }

# configure defaults

: ${GDP_ROOT:=/usr}

: ${GDP_LOG_DIR:=/var/log/gdp}

: ${GDP_USER:=gdp}

: ${GDPLOGD_ARGS:="-D*=10"}

: ${GDPLOGD_BIN:=$GDP_ROOT/sbin/gdplogd$GDP_VER}

: ${GDPLOGD_LOG:=$GDP_LOG_DIR/gdplogd.log}

: ${LLOGGER:="llogger -s3"}

# manifest constants (see <sysexits.h>)

EX_USAGE=64

EX_UNAVAILABLE=69

EX_NOPERM=77

EX_CONFIG=78

# if we are running as root, start over as gdp

test `whoami` = "root" && exec sudo -E -u $GDP_USER $0 "$@"

debug=false

if [ "x$1" = "x-D" ]

then

	debug=true

	shift

fi

if ! $debug

then

	# make sure log file exists so we can append to it

	test -f $GDPLOGD_LOG || cp /dev/null $GDPLOGD_LOG

	fifo=/tmp/gdp-logger.$$

	cleanup() {

		rm $fifo

	}

	trap cleanup EXIT

	if ! mkfifo -m 600 $fifo

	then

		echo "[FATAL] Cannot create fifo $fifo"

		exit $EX_NOPERM

	fi

	${LLOGGER} -a $GDPLOGD_LOG < $fifo &

	# redirect remaining output to the log

	exec > $fifo 2>&1

fi

echo "[INFO] Running $0 $@ as `whoami`"

if [ `whoami` != $GDP_USER ]

then

	echo "[WARN] Should be running as $GDP_USER"

fi

if [ $# -ne 0 ]

then

	echo "[ERROR] Usage: $0 [-D]"

	exit $EX_USAGE

fi

echo "[INFO] Running $GDPLOGD_BIN $GDPLOGD_ARGS"

$GDPLOGD_BIN $GDPLOGD_ARGS

rc=$?

echo "[FATAL] $0: $GDPLOGD_BIN exited with status $rc"

exit $rc