Statsd Init Script

statsd

#!/bin/bash
#
#   /etc/rc.d/init.d/is24-statsd
#
# Starts the is24 statsd daemon
#
# chkconfig: 2345 20 80
# description: Frontend aggregatation of messages destined for graphite daemon
# processname: is24-statsd

### BEGIN INIT INFO
# Provides: is24-statsd
# Defalt-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Description: Frontend aggregatation of messages destined for graphite daemon
### END INIT INFO



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

NAME=statsd
INSTALL_DIR=/opt/$NAME
NODE_DIR=/opt/node
NODE_EXE=$NODE_DIR/bin/node

STATSJS=stats.js
CONFIGJS=config.js


[ -x $NODE_EXE ] || exit 0
[ -f $INSTALL_DIR/$STATSJS ] || exit 0

RETVAL=0

#
# See how we were called.
#

start() {
    # Check if it is already running
    if [ ! -f /var/lock/subsys/$NAME ]; then
        echo -n $"Starting $NAME daemon: "
        # daemon
        sudo -u statsd -- $NODE_EXE $INSTALL_DIR/$STATSJS $INSTALL_DIR/$CONFIGJS >/dev/null 2>&1 </dev/null &
        #$NODE_EXE $INSTALL_DIR/$STATSJS $INSTALL_DIR/$CONFIGJS >/dev/null 2>&1 </dev/null &
        RETVAL=$?
        if [ $RETVAL -eq 0 ]; then
            touch /var/lock/subsys/$NAME
            echo_success
        else
            echo_failure
        fi
        echo
    fi
    return $RETVAL
}

stop() {
    echo -n $"Stopping $NAME daemon: "
    #pid=$(ps aux | grep stats.js | grep node | awk '{print $2}')
    pid=`ps aux | grep $STATSJS | grep $CONFIGJS | awk '{print $2}'`
    kill $pid
    RETVAL=$?
    if [ $RETVAL -eq 0 ]; then
        rm -f /var/lock/subsys/$NAME
        echo_success
    else
        echo_failure
    fi
    echo
    return $RETVAL
}


restart() {
    stop
    start
}

reload() {
    trap "" SIGHUP
    killall -HUP stats.js
}
case "$1" in
start)
    start
    ;;
stop)
    stop
    ;;
reload)
    reload
    ;;
restart)
    restart
    ;;
condrestart)
    if [ -f /var/lock/subsys/$NAME ]; then
        restart
    fi
    ;;
status)
    if [ -f /var/lock/subsys/$NAME ]; then
        echo "$NAME is running"
        exit 0
    else
        echo "$NAME is stopped"
        exit 3
    fi
    ;;
*)
    echo $"Usage: $0 {start|stop|status|restart|condrestart|reload}"
    exit 1
esac

exit $RETVAL