The init.d startup script used for http://n8.io

n8.io.sh

#!/bin/bash
# n8.io daemon
# chkconfig: 345 20 80 (NR: what is this???)
# description: Nate's blog
# processname: n8.io
# original template from: http://werxltd.com/wp/2012/01/05/simple-init-d-script-template/

# working dir
DAEMON_PATH="/home/pi/n8.io"

# node executable path and server script file
DAEMON="/usr/local/bin/node"
DAEMONOPTS="$DAEMON_PATH/server.js"

# dir where we'll output cronolog files
LOG_DIR="/media/hdd1/n8.io_logs"

# used by n8.io
export LD_LIBRARY_PATH="/home/pi/libgit2"
export NODE_ENV="production"
export N8_IO_PORT="80"

# used by init.d?
NAME="n8.io"
DESC="Nate's blog"
PIDFILE="/var/run/$NAME.pid"
SCRIPTNAME="/etc/init.d/$NAME"

case "$1" in
start)
        printf "%-50s" "Starting $NAME..."

        # cd into project dir
        cd "$DAEMON_PATH"

        # open fd 3 as writable, to the cronolog program
        exec 3> >(cronolog "$LOG_DIR/%Y-%m-%d.log")

        # spawn the server, using /dev/null for stdin, and fd 3 for stdout
        PID=`$DAEMON $DAEMONOPTS </dev/null 1>&3 2>&1 & echo $!`

        if [ -z $PID ]; then
            printf "%s\n" "Fail"
        else
            echo $PID > $PIDFILE
            printf "%s\n" "Ok"
        fi
;;
status)
        printf "%-50s" "Checking $NAME..."
        if [ -f $PIDFILE ]; then
            PID=`cat $PIDFILE`
            if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
                printf "%s\n" "Process dead but pidfile exists"
            else
                echo "Running"
            fi
        else
            printf "%s\n" "Service not running"
        fi
;;
stop)
        printf "%-50s" "Stopping $NAME"
            PID=`cat $PIDFILE`
            cd $DAEMON_PATH
        if [ -f $PIDFILE ]; then
            kill -HUP $PID
            printf "%s\n" "Ok"
            rm -f $PIDFILE
        else
            printf "%s\n" "pidfile not found"
        fi
;;

restart)
          $0 stop
          $0 start
;;

*)
        echo "Usage: $0 {status|start|stop|restart}"
        exit 1
esac