Elasticsearch hashfields Ingest Processor

Hashes a field or set of fields using md5, sha1 or sha256

Usage

PUT _ingest/pipeline/hash-pipeline
{
  "description": "A pipeline to hash fields",
  "processors": [
    {
      "hashfields" : {
        "fields" : ["my_field"],
        "target_field" : "my_hashed_field",
        "algorithm" : "sha256"
      }
    }
  ]
}

PUT /my-index/my-type/1?pipeline_id=hash-pipeline
{
  "my_field" : "Some content"
}

GET /my-index/my-type/1
{
  "my_field" : "Some content"
  "my_hashed_field": "9c6609fc5111405ea3f5bb3d1f6b5a5efd19a0cec53d85893fd96d265439cd5b"
}

Configuration

Parameter	Use
fields	Array of fields to hash
target_field	Field to store the hashed value in
algorithm	md5, sha1, or sha256

Installation

Builds are provided for Elasticsearch 5.1.1 and above. Versions of this plugin are tied to Elasticsearch versioning. To install, you can download at http://elastic-plugins.eskibars.com/artifacts/ingest-hashfields-<VERSION>.zip and then install with

bin/plugin install file:///path/to/ingest-hashfields/build/distribution/ingest-hashfields-<VERSION>.zip

Version	Location
5.1.1	http://elastic-plugins.eskibars.com/artifacts/ingest-hashfields-5.1.1.zip
5.1.2	http://elastic-plugins.eskibars.com/artifacts/ingest-hashfields-5.1.2.zip
5.2.0	http://elastic-plugins.eskibars.com/artifacts/ingest-hashfields-5.2.0.zip
5.2.1	http://elastic-plugins.eskibars.com/artifacts/ingest-hashfields-5.2.1.zip

Building

If you want to build yourself, you need to create a zip distribution first by running

gradle clean check

This will produce a zip file in build/distributions.

After building the zip file, you can install it like this

bin/plugin install file:///path/to/ingest-hashfields/build/distribution/ingest-hashfields-<VERSION>.zip

Bugs & TODO

• More tests!
• Add separator configuration
• Support for non-string types
• More hash algorithms