Add logs

Author: Himani Anil Deshpande

cookbooks/aws-parallelcluster-environment/libraries/directory_service_utils.rb

@@ -22,6 +22,7 @@ def _get_cn_subparam(param)
   tokens = param.split(",") unless param.blank?
   tokens.each do |token|
     ['cn=', 'CN='].each do |param_search|
+      Chef::Log.info("Token is #{token} and param search is #{param_search} and condition #{token.include? param_search}")
       return token if token.include? param_search
     end
   end