This image captures logs from Docker containers, enriches with Kubernetes metadata & pushes to the specified Elasticsearch service deployed in your Kubernetes environment.
You can configure behaviour via the following environment variables:
ELASTICSEARCH_HOST- the Elasticsearh host name to send data to (default:es-logging.default.svc)ELASTICSEARCH_PORT- the Elasticsearh port to send data to (default:9200)ELASTICSEARCH_SCHEME-httporhttps(default:http)ELASTICSEARCH_USER- user to connect withELASTICSEARCH_PASSWORD- password to connect withELASTICSEARCH_DYNAMIC- whether elasticsearch plugin configuration is dymamic, e.g. to select index name prefix based on the namespace field (default:false)FLUENTD_FLUSH_INTERVAL- how often to flush fluentd data (default:10s)FLUENTD_FLUSH_THREADS- number of threads to use to flush logs (default:1)FLUENTD_RETRY_LIMIT- number of retries on flush failures (default:10)FLUENTD_DISABLE_RETRY_LIMIT- disable retry limit (default:true)FLUENTD_RETRY_WAIT- time to wait between retries (default:1s)FLUENTD_MAX_RETRY_WAIT- maximum time to wait between retries (default:60s)FLUENTD_BUFFER_CHUNK_LIMIT- max buffer chunk size (default:8m)FLUENTD_BUFFER_QUEUE_LIMIT- max buffer queue size (default:8192)FLUENTD_BUFFER_TYPE- buffer type:memoryorfile(default:memory)FLUENTD_BUFFER_PATH- buffer file path if using afilebuffer (default:/var/fluentd/buffer)FLUENTD_LOGSTASH_FORMAT- use logstash format for index names (defaulttrue)FLUENTD_LOGSTASH_PREFIX- the prefix to use for index names in logstash format (defaultlogstash)KUBERNETES_PRESERVE_JSON_LOG- whether to preserve raw JSON logs in thelogfield (default:true)KUBERNETES_URL- provide the URL of the Kubernetes master (default:https://kubernetes.default.svc)KUBERNETES_VERIFY_SSL- validate the Kubernetes SSL certificate (default:true)
For more information on Fluentd buffer plugins & options, see http://docs.fluentd.org/articles/buffer-plugin-overview.