Merge pull request sensu#1097 from rrada/es-graphite_more_stats

ES graphite node - return more metrics

Author: mattyjones

plugins/elasticsearch/es-node-graphite.rb

@@ -193,7 +193,7 @@ def run
     node['indices'].each do |type,  index|
       index.each do |k, v|
         # #YELLOW
-        unless k =~ /(_time|memory|size$)/ # rubocop:disable IfUnlessModifier
+        unless k =~ /(_time$)/ || v =~ /\d+/ # rubocop:disable IfUnlessModifier
           metrics["indices.#{type}.#{k}"] = v
         end
       end