#!/bin/bash

# Pandora FMS Linux Agent, startup script
# Copyright (c) 2006-2009 Artica ST, <info@artica.es>
# Linux Version (generic), for SuSe and Debian/Ubuntu.
# other Linux distros could not work properly without modifications
# v3.0 Build 090810
# http://www.pandorafms.com

### BEGIN INIT INFO
# Provides: pandora_agent
# Required-Start: $network
# Required-Stop: $network
# Default-Start:  S 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Startup script daemon for Pandora FMS agent
### END INIT INFO

PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin
PANDORA_PATH=/etc/pandora
DAEMON=/usr/bin/pandora_agent
LOGFILE=/var/log/pandora_agent.log

# This function replace pidof, not working in the same way in different linux distros

function pidof_pandora () (
	COLUMNS=250
	PANDORA_PID=`ps aux | grep $DAEMON | grep -v grep | head -1 | awk '{ print $2 }'`
	echo $PANDORA_PID
)

if [ ! -f $DAEMON ]
then
	echo "Pandora FMS Agent not found at $DAEMON, please check setup"
	exit
fi

case "$1" in
	start)
		PANDORA_PID=`pidof_pandora`
		if [ ! -z "$PANDORA_PID" ]
		then
			echo "Pandora FMS Agent is currently running on this machine with PID $PANDORA_PID"
			echo "Cannot launch again. Aborting."
			exit 1
		fi
		nohup $DAEMON $PANDORA_PATH 2> $LOGFILE & 
		sleep 1
		PANDORA_PID=`pidof_pandora`
		echo "Pandora FMS Agent is now running with PID $PANDORA_PID"
	;;
	
	stop)
		PANDORA_PID=`pidof_pandora`
		if [ -z "$PANDORA_PID" ]
		then
			echo "Pandora FMS Agent is not running, cannot stop it. Aborting now..."
			exit 1
		else
			echo "Stopping Pandora Agent."
			kill $PANDORA_PID > /dev/null 2>&1        
		fi
	;;

	status)
		PANDORA_PID=`pidof_pandora`	
		if [ -z "$PANDORA_PID" ]
		then
			echo "Pandora FMS Agent is not running."
		else
			echo "Pandora FMS Agent is running with PID $PANDORA_PID."
		fi
		exit 0
	;;

	force-reload|restart)
		$0 stop
		sleep 2
		$0 start
	;;
	
	*)
        echo "Uso: /etc/init.d/pandora_agent_daemon {start|stop|restart|status|force-reload}"
        exit 1
esac