supervisord centos 6.5 init

#!/bin/bash

prog="supervisord"
prog_bin="/var/lib/flask/venv/bin/${prog}"
pidfile="/var/run/${prog}.pid"
lockfile="/var/lock/subsys/${prog}"

source /etc/init.d/functions

start() {
    echo -n "Starting $prog: "
    if [[ -f "$pidfile" ]]
    then
        echo "Already running: $(cat "$pidfile")"
        exit 2
    else
        daemon --pidfile="$pidfile" "$prog_bin" -c "/var/lib/flask/mastermind/supervisord.conf"
        retval=$?
        echo
        (( $retval == 0 )) && touch "$lockfile"
        return $retval
    fi
}

stop() {
    echo -n "Stopping $prog: "
    killproc -p "$pidfile" "$prog_bin"
    retval=$?
    echo
    (( $retval == 0 )) && rm -f "$lockfile" "$pidfile"
}

restart() {
    stop
    start
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        restart
        ;;
    status)
        status -p "$pidfile" "$prog_bin"
        ;;
    *)
        echo "Usage: $prog start|stop|restart|status"
        ;;
esac