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Elasticsearch 5.x Cookbook - Third Edition by Alberto Paro

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Creating an ingest plugin

Elasticsearch 5.x introduces the ingest node that allows the modification, via a pipeline, to the records before ingesting in Elasticsearch. We have already seen in Chapter 13, Ingest that a pipeline is composed by one or more processor action. In this recipe, we will see how to create a custom processor that store in a field the initial character of another one.

Getting ready

You need an up-and-running Elasticsearch installation as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.

A Maven tool, or an IDE that support Java programming, such as Eclipse or IntelliJ IDEA. The code for this recipe is available in the chapter17/ingest_plugin directory.

How to do it...

To create ...

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