fluentd/label/notifications/audit.yml

parameters:
  _param:
    elasticsearch_port: 9200
  fluentd:
    agent:
      config:
        label:
          audit_messages:
            filter:
              get_payload_values:
                tag: audit
                type: record_transformer
                enable_ruby: true
                record:
                  - name: Logger
                    value: ${fluentd:dollar}{ record.dig("publisher_id") }
                  - name: Severity
                    value: ${fluentd:dollar}{ {'TRACE'=>7,'DEBUG'=>7,'INFO'=>6,'AUDIT'=>6,'WARNING'=>4,'ERROR'=>3,'CRITICAL'=>2}[record['priority']].to_i }
                  - name: Timestamp
                    value: ${fluentd:dollar}{ DateTime.strptime(record.dig("payload", "eventTime"), "%Y-%m-%dT%H:%M:%S.%N%z").strftime("%Y-%m-%dT%H:%M:%S.%3NZ") }
                  - name: notification_type
                    value: ${fluentd:dollar}{ record.dig("event_type") }
                  - name: severity_label
                    value: ${fluentd:dollar}{ record.dig("priority") }
                  - name: environment_label
                    value: ${_param:cluster_domain}

                  - name: action
                    value: ${fluentd:dollar}{ record.dig("payload", "action") }
                  - name: event_type
                    value: ${fluentd:dollar}{ record.dig("payload", "eventType") }
                  - name: outcome
                    value: ${fluentd:dollar}{ record.dig("payload", "outcome") }
              pack_payload_to_json:
                tag: audit
                require:
                  - get_payload_values
                type: record_transformer
                enable_ruby: true
                remove_keys: '["payload", "timestamp", "publisher_id", "priority"]'
                record:
                  - name: Payload
                    value: ${fluentd:dollar}{ record["payload"].to_json }
            match:
              audit_output:
                tag: audit
                type: elasticsearch
                host: ${_param:fluentd_elasticsearch_host}
                port: ${_param:fluentd_elasticsearch_port}
                scheme: ${_param:fluentd_elasticsearch_scheme}
                es_index_name: audit
                tag_key: Type