A CentOS initscript for go-simple-server

go-simple-server.centos

#!/bin/sh

EXEC=/usr/local/bin/server
PIDFILE=/var/run/go-simple-server.pid
USER=ubuntu
###############
# SysV Init Information
# chkconfig: - 58 74
# description: go-simple-server is the dsmllib API server daemon.
### BEGIN INIT INFO
# Provides: go-simple-server
# Required-Start: $network $local_fs $remote_fs
# Required-Stop: $network $local_fs $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Should-Start: $syslog $named
# Should-Stop: $syslog $named
# Short-Description: start and stop go-simple-server
# Description: dsmllib API server daemon
### END INIT INFO

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

case "$1" in
    start)
        if [ -f $PIDFILE ]
        then
            echo "$PIDFILE exists, process is already running or crashed"
        else
            echo "Starting go-simple-server..."
            daemon --pidfile=${PIDFILE} --user=${USER} ${EXEC}
            echo $(pgrep server) > $PIDFILE
            echo
        fi
        ;;
    stop)
        if [ ! -f $PIDFILE ]
        then
            echo "$PIDFILE does not exist, process is not running"
        else
            PID=$(cat $PIDFILE)
            echo "Stopping ..."
            killproc -p $PIDFILE
            while [ -x /proc/$PID ]
            do
                echo "Waiting for go-simple-server to shutdown ..."
                sleep 1
            done
            echo "go-simple-server stopped"
        fi
        ;;
    status)
        if [ ! -f $PIDFILE ]
        then
            echo 'go-simple-server is not running'
        else
            PID=$(cat $PIDFILE)
            if [ ! -x /proc/${PID} ]
            then
                echo 'go-simple-server is not running'
            else
                echo "go-simple-server is running ($PID)"
            fi
        fi
        ;;
    restart)
        $0 stop
        $0 start
        ;;
    *)
        echo "Please use start, stop, restart or status as first argument"
        ;;
esac