#!/bin/sh
#
# Copyright 2016 Mimmo Lariccia. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
#   1. Redistributions of source code must retain the above copyright notice, this list of
#      conditions and the following disclaimer.
#
#   2. Redistributions in binary form must reproduce the above copyright notice, this list
#      of conditions and the following disclaimer in the documentation and/or other materials
#      provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY Claudiu Vasadi ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Claudiu Vasadi OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and documentation are those of the
# authors and should not be interpreted as representing official policies, either expressed
# or implied, of Mimmo Lariccia.
#
#
# vmtools process monitor plugin for Nagios
# Originally written by Thomas Sluyter (nagios@kilala.nl)
# Adapted by Claudiu Vasadi (claudiu.vasadi@gmail.com)
# Adapted by Mimmo Lariccia (mimmo.lariccia@gruppofilippetti.it)
# Last Modified: 24.02.2016
# 
# Usage: ./check_vmtools
#
# Description:
# This plugin determines whether /usr/sbin/vmtoolsd
# is running properly. It will check the following:
# * Are all required processes running?
#
# Limitations:
# Only tested on FreeBSD 8.x and higher or Linux Centos 6.x platform
#
# Output:
# Script returns a CRIT when one of the abovementioned criteria is 
# not matched
#

PATH=/usr/bin:/usr/sbin:/bin:/sbin
LIBEXEC=/usr/lib64/nagios/plugins
. "$LIBEXEC"/utils.sh

# Set vmtoolsd processes
PROCLIST="/usr/sbin/vmtoolsd"

check_processes(){
	   ps aux | grep $PROCLIST | grep -v grep > /dev/null
		if [ $? = "0" ];then
		echo "OK: All vmtoolsd processes running"
		exit "$STATE_OK"
	   else
		echo "NOT OK: One or more vmtoolsd processes not running"
		exit "$STATE_CRITICAL"
	   fi
}

check_processes