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Chapter 35. Kafka Topic Name Matches Filter Action
Filter based on kafka topic value compared to regex
35.1. Configuration Options 링크 복사링크가 클립보드에 복사되었습니다!
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.
35.2. Dependencies 링크 복사링크가 클립보드에 복사되었습니다!
At runtime, the topic-name-matches-filter-action Kamelet relies upon the presence of the following dependencies:
- camel:core
- camel:kamelet
35.3. Usage 링크 복사링크가 클립보드에 복사되었습니다!
This section describes how you can use the topic-name-matches-filter-action.
35.3.1. Kafka Action 링크 복사링크가 클립보드에 복사되었습니다!
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
35.3.1.1. Prerequisites 링크 복사링크가 클립보드에 복사되었습니다!
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.
35.3.1.2. Procedure for using the cluster CLI 링크 복사링크가 클립보드에 복사되었습니다!
-
Save the
topic-name-matches-filter-action-binding.yamlfile to your local drive, and then edit it as needed for your configuration. Run the action by using the following command:
oc apply -f topic-name-matches-filter-action-binding.yaml
35.3.1.3. Procedure for using the Kamel CLI 링크 복사링크가 클립보드에 복사되었습니다!
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
This command creates the KameletBinding in the current namespace on the cluster.