Integer to string

Author: soutenniza

jobs/elasticsearch/templates/config/config.yml.erb

@@ -32,7 +32,7 @@ opendistro_security:
     cluster_name = p("elasticsearch.cluster_name")
   end
   master_hosts = nil
-  if_link("elasticsearch") { |elasticsearch_link| master_hosts = elasticsearch_link.instances.map {|e| e.name + "/" + e.index }.join(',') }
+  if_link("elasticsearch") { |elasticsearch_link| master_hosts = elasticsearch_link.instances.map {|e| e.name + "/" + e.index.to_s }.join(',') }
   unless master_hosts
     master_hosts = p("elasticsearch.master_hosts").join(',')
   end