Centos cpumon service (chkconfig compatible)

cpumon

#!/bin/bash
#
# Author: Adam Jakab
#
# chkconfig: - 90 12
# description: CPU monitoring service with custom script
# processname: cpumon.sh
# pidfile: /var/run/cpumon.pid
#

scriptname="cpumon.sh"
scriptpath="/data_mount_1/cpumon"
exec="${scriptpath}/${scriptname}"
pidfile="/var/run/cpumon.pid"

# Get function from functions library
. /etc/rc.d/init.d/functions

# Start the service
start() {
        [ -x ${exec} ] || exit 5
        action $"Starting CPUMON service: " /bin/true
        ${exec} >/dev/null 2>&1 &
        pid=$!
        echo ${pid} > ${pidfile}
        return 0
}

# Stop the service
stop() {
        action $"Stopping CPUMON service: " /bin/true
        pid=$(cat "${pidfile}")
        if [ -n "${pid}" ]; then
            /bin/kill "${pid}" >/dev/null 2>&1
            ret=$?
        else
            ret=99
        fi
        ### Now, delete the lock file ###
        rm -f "${pidfile}"
        return ${ret}
}

### main logic ###
case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  status)
        status ${scriptname}
        ;;
  restart|reload|condrestart)
        stop
        start
        ;;
  *)
        echo $"Usage: $0 {start|stop|restart|reload|status}"
        exit 1
esac
exit 0