review: logstash index pattern

- added block for [kubernetes][statefulset][name]

templates/logstash/config/logstash/pipeline/filebeat.conf.j2

@@ -118,6 +118,18 @@ output {
             manage_template => false
        }
     }
+    else if [kubernetes][namespace] and [kubernetes][statefulset][name] {
+        elasticsearch {
+            hosts => ["https://{{ shared_service_elastic_stack_01_hostname }}:{{ service_port_elasticsearch }}"]
+            cacert => "/usr/share/logstash/config/certificates/ca/ca.crt"
+            user => "{{ elastic_admin_username }}"
+            password => "{{ elastic_admin_password }}"
+
+            index => "%{[stage]}-%{[kubernetes][namespace]}-%{[kubernetes][statefulset][name]}-%{+YYYY.MM}"
+
+            manage_template => false
+       }
+    }
     else if [kubernetes][namespace] {
         elasticsearch {
             hosts => ["https://{{ shared_service_elastic_stack_01_hostname }}:{{ service_port_elasticsearch }}"]