ghost.centminmod.com CentOS 6.4 init.d startup script configured for per Ghost install instance + clearing Nginx proxy_cache on restart. http://ghost.centminmod.com/ghost-blog-node-js-init-startup-script/

ghost1

#!/bin/bash
###########################################
# chkconfig: 2345 98 02
#
# description: PM2 next gen process manager for Node.js
# processname: ghost1
#
### BEGIN INIT INFO
# Provides:          ghost1
# Required-Start:    
# Required-Stop:
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
### END INIT INFO
###########################################
if [ -f /proc/user_beancounters ]; then
ulimit -s 256
fi
###########################################
PM2=/usr/local/lib/node_modules/pm2/bin/pm2
NODE=/usr/local/bin/node
USER=root
export NODE_ENV=production
###########################################
# edit NAME to unique name for each specific Ghost instance
# i.e. ghost1 ghost2 etc
# edit APP_DIR to each specific Ghost install directory
NAME=ghost1
APP_DIR=/home/nginx/domains/ghost.centminmod.com/ghost
APP_START=index.js
APP_NAME=$NAME
PID=$(su -l $USER -c "$NODE $PM2 list" | grep "$APP_NAME" | awk '{print $4}')

PROXYCACHE=y
PROXYCACHEDIR='/home/nginx/domains/ghost.centminmod.com/ghostcache'
###########################################
ngxcache() {
if [[ "$PROXYCACHE" = [yY] ]]; then
# clear proxy_cache
# i.e. nginx.conf
# proxy_cache_path /home/nginx/domains/ghost.centminmod.com/ghostcache levels=1:2 keys_zone=ghostcache:80m
# max_size=100m inactive=60m;
	rm -rf ${PROXYCACHEDIR}/*
	service nginx restart
fi
}

super() {
	su -l $USER -c "$1 $2 $3 $4 $5 $6 $7 $8"
}

start() {
	echo "Starting $NAME"
	cd $APP_DIR
	super NODE_ENV=production $NODE $PM2 start ${APP_DIR}/${APP_START} -x --name $APP_NAME
}

stop() {
	echo "Shutting down $NAME"
	cd $APP_DIR
	super NODE_ENV=production $NODE $PM2 stop ${APP_DIR}/${APP_START} -x --name $APP_NAME
}

restart() {
	echo "Restarting $NAME"
	stop
	start
	ngxcache
}

status() {
	echo "Status for $NAME:"
	cd $APP_DIR
	super $NODE $PM2 list
	RETVAL=$?
}
########################################### 
case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status
        ;;
    restart)
        restart
        ;;
    *)
        echo "Usage: {start|stop|status|restart}"
        exit 1
        ;;
esac
exit $RETVAL