Red Hat Camel K is deprecated
Red Hat Camel K is deprecated and the End of Life date for this product is June 30, 2025. For help migrating to the current go-to solution, Red Hat build of Apache Camel, see the Migration Guide.이 콘텐츠는 선택한 언어로 제공되지 않습니다.
Chapter 46. Kafka Topic Name Matches Filter Action
Filter based on kafka topic value compared to regex
46.1. Configuration Options
The following table summarizes the configuration options available for the topic-name-matches-filter-action
Kamelet:
Property | Name | Description | Type | Default | Example |
---|---|---|---|---|---|
regex * | Regex | The Regex to Evaluate against the Kafka topic name | string |
Fields marked with an asterisk (*) are mandatory.
46.2. Dependencies
At runtime, the topic-name-matches-filter-action
Kamelet relies upon the presence of the following dependencies:
- camel:core
- camel:kamelet
46.3. Usage
This section describes how you can use the topic-name-matches-filter-action
.
46.3.1. Kafka Action
You can use the topic-name-matches-filter-action
Kamelet as an intermediate step in a Kafka binding.
topic-name-matches-filter-action-binding.yaml
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
name: topic-name-matches-filter-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: topic-name-matches-filter-action
properties:
regex: "The Regex"
sink:
ref:
kind: KafkaTopic
apiVersion: kafka.strimzi.io/v1beta1
name: my-topic
Copy to clipboardCopied46.3.1.1. 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.
46.3.1.2. Procedure for using the cluster CLI
-
Save the
topic-name-matches-filter-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:
Copy to clipboardCopiedoc apply -f topic-name-matches-filter-action-binding.yaml
46.3.1.3. Procedure for using the Kamel CLI
Configure and run the action by using the following command:
kamel bind timer-source?message=Hello --step topic-name-matches-filter-action -p "step-0.regex=The Regex" kafka.strimzi.io/v1beta1:KafkaTopic:my-topic
Copy to clipboardCopiedThis command creates the KameletBinding in the current namespace on the cluster.