if secondary_node_ip.nil? || secondary_node_ip.empty? || secondary_node_ip == "0.0.0.0"  
  Chef::Log.info("HADOOP : WARNING - Invalid secondary name node IP #{secondary_node_ip}")
  node[:hadoop][:cluster][:valid_config] = false
else
  Chef::Log.info("HADOOP : SECONDARY NAME NODE IP #{secondary_node_ip}") if debug