Ship a plugin debug log to logz.io

[larytet]

I have a working fluentd-plugin-throttle
The log of the throttle plugin looks like this in the stdout

2022-04-17 18:34:19 +0000 [warn]: #0 rate exceeded group_key=["my-production-7"] rate_s=5 period_s=1 limit=1 rate_limit_s=1 reset_rate_s=1

My goal is to ship the logs together with the rest of the logs to logz.io I have this filter

<filter fluent.**>
      @type record_transformer
      <record>
        level ${tag}
      </record>
</filter>

I see the log in the logz.io, but without "rate exceeded" message

{
  "_type": "doc",
  "_version": 1,
  "_score": null,
  "_source": {
    "rate_s": 8,
    "@timestamp": "2022-04-18T03:47:49.770+0000",
    "LogSize": 232,
    "reset_rate_s": 1,
    "level": "fluent.warn",           <---This is my new tag
    "period_s": 1,
    "limit": 1,
    "rate_limit_s": 1,
    "type": "http-bulk",
    "tags": [
      "_logz_http_bulk_json_8070"
    ],
    "group_key": [
      "my-production-14"
    ]
  },
  "fields": {
    "@timestamp": [
      "2022-04-18T03:47:49.770Z"
    ]
  },
  "sort": [
    1650253669770
  ]
}

What am I missing?

[kenhys]

It seems that what the record includes depends on:
https://github.com/rubrikinc/fluent-plugin-throttle/blob/master/lib/fluent/plugin/filter_throttle.rb#L172-L178=

[larytet]

Thanks!