Doc + meta => csv + email

[alexus]

My goal:

I have a several docs spread across of multiple indices that I'd like to export as CSV with addition meta data set and email as attachment on daily basis using Logstash.

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Logstash plugin:

• input:
  • Elasticsearch input plugin | Logstash Reference
• output:
  • Csv filter plugin | Logstash Reference
  • Email output plugin | Logstash Reference

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my typical document is very simple: "key", "value". I also have additional meta data set that I wish to include with each of the key as well: (example: key,value,meta1,meta2,meta3), "meta" data set stored inside of same index as each document.

I was able to figure out how to export docs as CSV on it's own, however I require some help with stitching my docs + meta and then email.

Please advise.