#!/usr/bin/python
#
# Script for checking the serial number of the chassis where is installed the VmWare ESXi
#
# Licence : GNU General Public Licence (GPL) http://www.gnu.org/
#---------------------------------------------------
# Date   : 20110209
# Author : Aitor Arregi
# Notes  : The original idea it was from the plugin "check_esx_wbem.py"
#           url : http://exchange.nagios.org/directory/Plugins/Operating-Systems/*-Virtual-Environments/VMWare/Check-hardware-running-VMware-ESXi/details	
#---------------------------------------------------

import sys
import pywbem

wbemclient = pywbem.WBEMConnection(sys.argv[1], (sys.argv[2], sys.argv[3]), 'root/cimv2')
for instance in wbemclient.EnumerateInstances('CIM_PhysicalElement') :
	if instance['ElementName'] == 'Chassis' :
		print "%s" % (instance['SerialNumber'])