Showing posts with label Painless. Show all posts
Showing posts with label Painless. Show all posts

Thursday, September 25, 2025

How to Use Painless Scripts for Conditional Logic in Ingest Pipelines

In the ELK stack, an ingest pipeline is used to process and transform documents before they are indexed into Elasticsearch. There are several processors available in an ingest pipeline that can be applied to transform documents. To perform transformations effectively, it is sometimes necessary to use conditions. This blog explains how to add conditions in ingest pipelines.

Prerequisites:

  • An Elastic Stack account
  • An ingest pipeline configured in Elasticsearch