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Chapter 36. Mask Fields Action

Mask fields with a constant value in the message in transit

36.1. Configuration Options

The following table summarizes the configuration options available for the mask-field-action Kamelet:

Property	Name	Description	Type	Default	Example
fields *	Fields	Comma separated list of fields to mask	string
replacement *	Replacement	Replacement for the fields to be masked	string

Note

Fields marked with an asterisk (*) are mandatory.

36.2. Dependencies

At runtime, the mask-field-action Kamelet relies upon the presence of the following dependencies:

mvn:org.apache.camel.kamelets:camel-kamelets-utils:1.0.0.fuse-800048-redhat-00001
camel:jackson
camel:kamelet
camel:core

36.3. Usage

This section describes how you can use the mask-field-action.

36.3.1. Knative Action

You can use the mask-field-action Kamelet as an intermediate step in a Knative binding.

mask-field-action-binding.yaml

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: mask-field-action-binding
spec:
  source:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: timer-source
    properties:
      message: "Hello"
  steps:
  - ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: mask-field-action
    properties:
      fields: "The Fields"
      replacement: "The Replacement"
  sink:
    ref:
      kind: Channel
      apiVersion: messaging.knative.dev/v1
      name: mychannel

36.3.1.1. Prerequisite

Make sure you have "Red Hat Integration - Camel K" installed into the OpenShift cluster you’re connected to.

36.3.1.2. Procedure for using the cluster CLI

Save the mask-field-action-binding.yaml file to your local drive, and then edit it as needed for your configuration.
Run the action by using the following command:
```
oc apply -f mask-field-action-binding.yaml
```

36.3.1.3. Procedure for using the Kamel CLI

Configure and run the action by using the following command:

kamel bind timer-source?message=Hello --step mask-field-action -p "step-0.fields=The Fields" -p "step-0.replacement=The Replacement" channel:mychannel

This command creates the KameletBinding in the current namespace on the cluster.

36.3.2. Kafka Action

You can use the mask-field-action Kamelet as an intermediate step in a Kafka binding.

mask-field-action-binding.yaml

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: mask-field-action-binding
spec:
  source:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: timer-source
    properties:
      message: "Hello"
  steps:
  - ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: mask-field-action
    properties:
      fields: "The Fields"
      replacement: "The Replacement"
  sink:
    ref:
      kind: KafkaTopic
      apiVersion: kafka.strimzi.io/v1beta1
      name: my-topic

36.3.2.1. Prerequisites

Ensure that you’ve installed the AMQ Streams operator in your OpenShift cluster and created a topic named my-topic in the current namespace. Make also sure you have "Red Hat Integration - Camel K" installed into the OpenShift cluster you’re connected to.

36.3.2.2. Procedure for using the cluster CLI

Save the mask-field-action-binding.yaml file to your local drive, and then edit it as needed for your configuration.
Run the action by using the following command:
```
oc apply -f mask-field-action-binding.yaml
```

36.3.2.3. Procedure for using the Kamel CLI