Basic Centos init script for Dancer apps

some_website

#!/bin/sh
#
# some_website - this script starts and stops some_website
#
# chkconfig:   - 85 15
# description:  Some website description

# pidfile:     /var/run/plackup.some_website.pid

PID=/var/run/plackup.some_website.pid

# Source function library.
. /etc/rc.d/init.d/functions

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0

PORT=5001
WORKERS=32
DANCER_DIR="/opt/webapps/some_website"
DANCER_APP="$DANCER_DIR/bin/app.pl"

plackup="/usr/bin/plackup"
plackup_args="-E production -p $PORT -s Starman --pid=$PID --workers $WORKERS -D"
website="Some Website"

lockfile=/var/lock/subsys/plackup.some_website

start() {
    [ -x $plackup ] || exit 5
    [ -f $DANCER_APP ] || exit 6
    echo -n $"Starting $website: "
    $plackup $plackup_args -a $DANCER_APP 2>&1 > /dev/null
    retval=$?
    if [ $retval -eq 0 ]; then
        success $"$website started"
        touch $lockfile
    else
        failure $"Unable to start"
    fi
    echo
    return $retval
}

stop() {
    echo -n $"Stopping $website: "
    if [ -f $PID ]; then
        kill `cat $PID` 2>&1> /dev/null
        retval=$?
        [ $retval -eq 0 ] && success && rm -f $lockfile
        echo
        return $retval
    fi
    failure $"pid $PID not found"
    echo
    return 1
}

restart() {
    stop
    start
}

case "$1" in
    start)
        $1
        ;;
    stop)
        $1
        ;;
    restart)
        $1
        ;;
    *)
        echo $"Usage: $0 {start|stop|restart}"
        exit 2
esac