Enriching streams

The purpose of this document is to explain how to use the enrich operator via examples. If you're looking for a formal specification of its usage, refer to the specification document.

Enrich a stream via HTTP requests

You can enrich a stream by using the enrich data operator with the http built-in utility.

Let's use the country.is service to add country information to our stream of page views.

cat /dev/kafka/local/topics/page_views | enrich { view -> http "https://api.country.is/#{$view.ip_address}" }

Here's this example in action: