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Chapter 46. Kafka Topic Name Matches Filter Action
Filter based on kafka topic value compared to regex
46.1. Configuration Options Copier lienLien copié sur presse-papiers!
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 Copier lienLien copié sur presse-papiers!
At runtime, the topic-name-matches-filter-action
Kamelet relies upon the presence of the following dependencies:
- camel:core
- camel:kamelet
46.3. Usage Copier lienLien copié sur presse-papiers!
This section describes how you can use the topic-name-matches-filter-action
.
46.3.1. Kafka Action Copier lienLien copié sur presse-papiers!
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
46.3.1.1. Prerequisites Copier lienLien copié sur presse-papiers!
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 Copier lienLien copié sur presse-papiers!
-
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:
oc apply -f topic-name-matches-filter-action-binding.yaml
oc apply -f topic-name-matches-filter-action-binding.yaml
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46.3.1.3. Procedure for using the Kamel CLI Copier lienLien copié sur presse-papiers!
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
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.