#!/bin/bash

# Tentacle server simple startup script 
# Copyright (c) 2007 Artica Soluciones Tecnologicas S.L.
# Linux Version (generic)
# v0.1 Build 090827

### BEGIN INIT INTO
# Provides: tentacle_server
# Default-Start: 2 3 5
# Default-Stop: 0 1 2 3 5
# Required-Start: $network
# Required-Stop: $network
# Short-Description: Tentacle Server startup script
### END INIT INFO

# Pandora server settings
PANDORA_SERVER_PATH="/var/spool/pandora/data_in"

# Tentacle server settings
TENTACLE_DAEMON="tentacle_server"
TENTACLE_PATH="/usr/local/bin"
TENTACLE_USER="pandora"

TENTACLE_ADDR="0.0.0.0"
TENTACLE_PORT="41121"
TENTACLE_EXT_OPTS="-i.*\.conf:conf;.*\.md5:md5"

# Set umask to 0002, because group MUST have access to write files to
# use remote file management on Pandora FMS Enterprise.

umask 0007

# Sets the shell variable TENTACLE_PID to the PID of the Tentacle server (empty
# if not running). Can be a list of PIDs if multiple instances are running.

function get_pid {
		TENTACLE_PID=`ps aux | grep $TENTACLE_PATH$TENTACLE_DAEMON | grep -v grep | tail -1 | awk '{ print $2 }'`
		echo $TENTACLE_PID
}

# Main script
TENTACLE_OPTS="-a $TENTACLE_ADDR -p $TENTACLE_PORT -s $PANDORA_SERVER_PATH $TENTACLE_EXT_OPTS -d"

# Fix TENTACLE_PATH
case "$TENTACLE_PATH" in
	*\/)
	;;
	*)
		TENTACLE_PATH="${TENTACLE_PATH}/"
	;;
esac

if [ ! -f "${TENTACLE_PATH}$TENTACLE_DAEMON" ]; then
	echo "Tentacle server not found in ${TENTACLE_PATH}$TENTACLE_DAEMON."
	exit 1
fi

case "$1" in
	start)
		TENTACLE_PID=`get_pid`
		if [ ! -z "$TENTACLE_PID" ]; then
			echo "Tentacle server is already running with PID $TENTACLE_PID."
			exit 1
		fi
	
		sudo -u $TENTACLE_USER ${TENTACLE_PATH}$TENTACLE_DAEMON $TENTACLE_OPTS
		sleep 1

		TENTACLE_PID=`get_pid`
		if [ ! -z "$TENTACLE_PID" ]; then
			echo "Tentacle server is now running with PID $TENTACLE_PID."
		else
			echo "Tentacle server could not be started."
			exit 1
		fi

		exit 0
	;;
	
	stop)
		TENTACLE_PID=`get_pid`
		if [ -z "$TENTACLE_PID" ]; then
			echo "Tentacle server does not seem to be running."
			exit 1;
		else
			kill $TENTACLE_PID > /dev/null 2>&1
			sleep 1

			get_pid
			if [ ! -z "$TENTACLE_PID" ]; then
				echo "Tentacle server could not be stopped."
				exit 1
			fi

			echo "Tentacle server stopped."
		fi

		exit 0
	;;

	force-reload|restart)
		$0 stop
		$0 start
	;;

	status)
		TENTACLE_PID=`get_pid`
		if [ -z "$TENTACLE_PID" ]; then
			echo "Tentacle server is not running."
		else
			echo "Tentacle server is running with PID $TENTACLE_PID."
		fi
		
		exit 0
	;;

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