description: Pipeline for parsing logstash logs
on_failure:
- set:
    field: error.message
    value: '{{ _ingest.on_failure_message }}'
processors:
- json:
    field: message
    target_field: logstash.log
- convert:
    field: logstash.log.timeMillis
    type: string
- date:
    field: logstash.log.timeMillis
    formats:
    - UNIX_MS
    target_field: '@timestamp'
- rename:
    field: logstash.log.loggerName
    target_field: logstash.log.module
- remove:
    field:
    - message
    - logstash.log.timeMillis
- rename:
    field: logstash.log.logEvent.message
    target_field: message
- rename:
    field: logstash.log.logEvent
    target_field: logstash.log.log_event
- rename:
    field: logstash.log.level
    target_field: log.level
- script:
    description: Convert logstash.log.log_event.action elements to string.
    if: ctx?.logstash?.log?.log_event?.action instanceof List
    lang: painless
    source: |
      def items = [];
      ctx.logstash.log.log_event.action.forEach(v -> {
          items.add(v.toString());
      });
      ctx.logstash.log.log_event.action = items;
- set:
    field: event.kind
    value: event
- script:
    lang: painless
    source: >-
      def errorLevels = ["ERROR", "FATAL"];
      if (ctx?.log?.level != null) {
        if (errorLevels.contains(ctx.log.level)) {
          ctx.event.type = "error";
        } else {
          ctx.event.type = "info";
        }
      }