replace field action Replace Field Action

Provided by: "Apache Software Foundation"

Support Level for this Kamelet is: "Preview"

Replace field with a different key in the message in transit

Configuration Options

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

Property Name Description Type Default Example

disabled

Disabled

Required Comma separated list of fields to be disabled.

string

enabled

Enabled

Required Comma separated list of fields to be enabled.

string

renames

Renames

Required Comma separated list of field with new value to be renamed.

string

foo:bar,c1:c2

Dependencies

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

  • mvn:org.apache.camel.kamelets:camel-kamelets-utils:0.5.0

  • camel:core

  • camel:jackson

  • camel:kamelet

Usage

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

Knative action

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

replace-field-action-binding.yaml
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: replace-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: replace-field-action
      properties:
        disabled: The Disabled
        enabled: The Enabled
        renames: foo:bar,c1:c2
  sink:
    ref:
      kind: Channel
      apiVersion: messaging.knative.dev/v1
      name: mychannel

Prerequisite

You have Camel K installed on the cluster.

Procedure for using the cluster CLI

  1. Save the replace-field-action-binding.yaml file to your local drive, and then edit it as needed for your configuration.

  2. Run the action by using the following command:

    kubectl apply -f replace-field-action-binding.yaml

Procedure for using the Kamel CLI

Configure and run the action by using the following command:

kamel bind replace-field-action -p "step-0.disabled=The Disabled" -p "step-0.enabled=The Enabled" -p "step-0.renames=foo:bar,c1:c2" channel:mychannel

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

Kafka action

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

replace-field-action-binding.yaml
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: replace-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: replace-field-action
      properties:
        disabled: The Disabled
        enabled: The Enabled
        renames: foo:bar,c1:c2
  sink:
    ref:
      kind: KafkaTopic
      apiVersion: kafka.strimzi.io/v1beta1
      name: my-topic

Prerequisites

  • You’ve installed Strimzi.

  • You’ve created a topic named my-topic in the current namespace.

  • You have Camel K installed on the cluster.

Procedure for using the cluster CLI

  1. Save the replace-field-action-binding.yaml file to your local drive, and then edit it as needed for your configuration.

  2. Run the action by using the following command:

    kubectl apply -f replace-field-action-binding.yaml

Procedure for using the Kamel CLI

Configure and run the action by using the following command:

kamel bind replace-field-action -p "step-0.disabled=The Disabled" -p "step-0.enabled=The Enabled" -p "step-0.renames=foo:bar,c1:c2" kafka.strimzi.io/v1beta1:KafkaTopic:my-topic

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