#!/bin/bash
# evt_apache2
#
# Copyright (C) 2000  Christian Veith
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# you should have received a copy of the GNU General Public License
# along with this program (or with Nagios);  if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA
####################################

# Recheckparameter
servicename="Service - HTTP"

# SSH Connection & Checkparameter
sshservicecheckname="Service - SSH"
sshport=22
remote_command=/usr/bin/restart_apache.sh


# Conditions
checkstate=CRITICAL
checktype=SOFT
minretry=1

# Parameter from Nagios
hostname=$1
state=$2
type=$3
retry=$(echo $4 | sed 's/\$//')

retcode=0

debug=0

if [ $debug -eq 1 ];
then

	echo "--------------------------"
	echo $servicename >> /tmp/$1
	echo $sshservicecheckname >> /tmp/$1
	echo $sshport >> /tmp/$1
	echo $hostname >> /tmp/$1
	echo $state >> /tmp/$1
	echo $type >> /tmp/$1
	echo $retry >> /tmp/$1
	
 
fi

if [[ "$state" == "$checkstate" && "$type" == "$checktype" ]]
then

	if [[ "$retry" -gt "$minretry" ]]
	then

		#Check for running SSH Client on other side
		/usr/local/nagios/libexec/check_ssh -p $sshport $hostname
		
		if [ $? -eq 0 ]
		then

			/usr/bin/ssh $hostname "$remote_command"
			retcode=$?
			
			echo "[`date +%s`] ADD_SVC_COMMENT;$hostname;$servicename;1;nagios;Tried Restart of $servicename after $retry check(s)." >> /usr/local/nagios/var/rw/nagios.cmd
			echo "[`date +%s`] SEND_CUSTOM_SVC_NOTIFICATION;$hostname;$servicename;1;nagios;Tried restart of $servicename after $retry check(s).\n" >> /usr/local/nagios/var/rw/nagios.cmd
	
		else

			# Force SSH check
			echo "[`date +%s`] SCHEDULE_FORCED_SVC_CHECK;$hostname;$sshservicecheckname;`date +%s`" >> /usr/local/nagios/var/rw/nagios.cmd
			
			# Send Comment to SSH Service for the BOFH
			echo "[`date +%s`] ADD_SVC_COMMENT;$hostname;$servicename;1;nagios;Tried Restart of $servicename, but SSH was not working" >> /usr/local/nagios/var/rw/nagios.cmd
			retcode=1

		fi

	
		if [ $retcode -eq 0 ]; then

			echo "[`date +%s`] SCHEDULE_FORCED_SVC_CHECK;$hostname;$servicename;`date +%s`" >> /usr/local/nagios/var/rw/nagios.cmd
			echo "[`date +%s`] ADD_SVC_COMMENT;$hostname;$servicename;1;nagios;Restart of $servicename successful." >> /usr/local/nagios/var/rw/nagios.cmd

		else

			echo "[`date +%s`] PROCESS_SERVICE_CHECK_RESULT;$hostname;$servicename;2;Eventhandler not successful - Error $retcode" >> /usr/local/nagios/var/rw/nagios.cmd
			echo "[`date +%s`] ADD_SVC_COMMENT;$hostname;$servicename;1;nagios;Restart of $servicename not successful." >> /usr/local/nagios/var/rw/nagios.cmd
			exit $retcode

		fi

	else

		echo "less or equal $minretry"
		exit 0

	fi
else

	echo "State not $checkstate or Type not $checktype"
	exit 0
	
fi