timestamp router action Timestamp Router Action

Provided by: "Apache Software Foundation"

Support Level for this Kamelet is: "Preview"

Update the topic field as a function of the original topic name and the record timestamp.

Configuration Options

The following table summarizes the configuration options available for the timestamp-router-action Kamelet:

Property Name Description Type Default Example

timestampFormat

Timestamp Format

Format string for the timestamp that is compatible with java.text.SimpleDateFormat.

string

"yyyyMMdd"

timestampHeaderName

Timestamp Header Name

The name of the header containing a timestamp

string

"kafka.TIMESTAMP"

topicFormat

Topic Format

Format string which can contain '$[topic]' and '$[timestamp]' as placeholders for the topic and timestamp, respectively.

string

"topic-$[timestamp]"
Fields marked with (*) are mandatory.

Usage

This section summarizes how the timestamp-router-action can be used in various contexts.

Knative Action

The timestamp-router-action Kamelet can be used as intermediate step in a Knative binding.

timestamp-router-action-binding.yaml
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: timestamp-router-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: timestamp-router-action
  sink:
    ref:
      kind: Channel
      apiVersion: messaging.knative.dev/v1
      name: mychannel

Make sure you have Camel K installed into the Kubernetes cluster you’re connected to.

Save the timestamp-router-action-binding.yaml file into your hard drive, then configure it according to your needs.

You can run the action using the following command:

kubectl apply -f timestamp-router-action-binding.yaml

Dependencies

The Kamelet needs the following dependencies:

  • github:apache.camel-kamelets:camel-kamelets-utils:main-SNAPSHOT

  • camel:kamelet

  • camel:core

Binding to Knative using the Kamel CLI:

The procedure described above can be simplified into a single execution of the kamel bind command:

kamel bind timer-source?message=Hello --step timestamp-router-action channel:mychannel

This will create the KameletBinding under the hood and apply it to the current namespace in the cluster.

Kafka Action

The timestamp-router-action Kamelet can be used as intermediate step in a Kafka binding.

timestamp-router-action-binding.yaml
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: timestamp-router-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: timestamp-router-action
  sink:
    ref:
      kind: KafkaTopic
      apiVersion: kafka.strimzi.io/v1beta1
      name: my-topic

Ensure that you’ve installed Strimzi and created a topic named my-topic in the current namespace. Make also sure you have Camel K installed into the Kubernetes cluster you’re connected to.

Save the timestamp-router-action-binding.yaml file into your hard drive, then configure it according to your needs.

You can run the action using the following command:

kubectl apply -f timestamp-router-action-binding.yaml

Binding to Kafka using the Kamel CLI:

The procedure described above can be simplified into a single execution of the kamel bind command:

kamel bind timer-source?message=Hello --step timestamp-router-action kafka.strimzi.io/v1beta1:KafkaTopic:my-topic

This will create the KameletBinding under the hood and apply it to the current namespace in the cluster.

Kamelet source file

Have a look at the following link:

https://github.com/apache/camel-kamelets/blob/main/timestamp-router-action.kamelet.yaml

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