init script for unicorn puppet server

puppet-unicorn-init

#!/bin/bash
# unicorn-puppet
# chkconfig: - 98 02
lockfile=/var/lock/puppetmaster-unicorn
pidfile=/var/run/puppet/puppetmaster_unicorn.pid

RETVAL=0
DAEMON=/usr/bin/unicorn
DAEMON_OPTS="-D -c /etc/puppet/unicorn.conf"


start() {
    $DAEMON $DAEMON_OPTS
    RETVAL=$?
    [ $RETVAL -eq 0 ] && touch "$lockfile"
    echo
    return $RETVAL
}

stop() {
    kill `cat $pidfile`
    RETVAL=$?
    echo
    [ $RETVAL -eq 0 ] && rm -f "$lockfile"
    return $RETVAL
}

restart() {
    stop
    sleep 1
    start
    RETVAL=$?
    echo
    [ $RETVAL -ne 0 ] && rm -f "$lockfile"
    return $RETVAL
}

condrestart() {
    status
    RETVAL=$?
    [ $RETVAL -eq 0 ] && restart
}

status() {
    ps ax | egrep -q "unicorn (worker|master)"
    RETVAL=$?
    if [ $RETVAL -eq 0 ];
	then echo "Running"
    else echo "Stopped"
    fi
    return $RETVAL
}

usage() {
    echo "Usage: $0 {start|stop|restart|status|condrestart}" >&2
    return 3
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        restart
        ;;
    condrestart)
        condrestart
        ;;
    status)
        status
        ;;
    *)
        usage
        ;;
esac

exit $RETVAL