To clean up our Elasticsearch cluster for obsolete or unwanted pipelines, we need to call the delete pipeline API with the ID of the pipeline.
You need an up-and-running Elasticsearch installation, as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.
To execute curl via the command line, you need to install curl for your operative system.
To delete an ingestion pipeline in Elasticsearch, we will perform the following steps:
We can delete the ingest pipeline via a
DELETEcall:curl -XDELETE 'http://127.0.0.1:9200/_ingest/pipeline/add-user- john'The result returned by Elasticsearch, if everything is okay, should be:
{"acknowledged":true}