<source>  
  @type http  
  @id input_http  
  port 8888  
  tag sardine.log
</source>
<match sardine.log>  
  @type elasticsearch  
  @id output_elasticsearch  
  host elasticsearch   
  port 9200  
  scheme http  
  user fluentd_user  
  password fluentd_password 
  index_name logstash-sardine-%Y.%m.%d
</match>