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Chapter 15. GenericKafkaListenerConfigurationBootstrap schema reference
Used in: GenericKafkaListenerConfiguration
Full list of GenericKafkaListenerConfigurationBootstrap schema properties
Broker service equivalents of nodePort, host, loadBalancerIP and annotations properties are configured in the GenericKafkaListenerConfigurationBroker schema.
15.1. alternativeNames
You can specify alternative names for the bootstrap service. The names are added to the broker certificates and can be used for TLS hostname verification. The alternativeNames property is applicable to all types of listeners.
Example of an external route listener configured with an additional bootstrap address
15.2. host
The host property is used with route and ingress listeners to specify the hostnames used by the bootstrap and per-broker services.
A host property value is mandatory for ingress listener configuration, as the Ingress controller does not assign any hostnames automatically. Make sure that the hostnames resolve to the Ingress endpoints. Streams for Apache Kafka will not perform any validation that the requested hosts are available and properly routed to the Ingress endpoints.
Example of host configuration for an ingress listener
By default, route listener hosts are automatically assigned by OpenShift. However, you can override the assigned route hosts by specifying hosts.
Streams for Apache Kafka does not perform any validation that the requested hosts are available. You must ensure that they are free and can be used.
Example of host configuration for a route listener
15.3. nodePort
By default, the port numbers used for the bootstrap and broker services are automatically assigned by OpenShift. You can override the assigned node ports for nodeport listeners by specifying the requested port numbers.
Streams for Apache Kafka does not perform any validation on the requested ports. You must ensure that they are free and available for use.
Example of an external listener configured with overrides for node ports
15.4. loadBalancerIP
Use the loadBalancerIP property to request a specific IP address when creating a loadbalancer. Use this property when you need to use a loadbalancer with a specific IP address. The loadBalancerIP field is ignored if the cloud provider does not support the feature.
Example of an external listener of type loadbalancer with specific loadbalancer IP address requests
15.5. annotations
Use the annotations property to add annotations to OpenShift resources related to the listeners. You can use these annotations, for example, to instrument DNS tooling such as External DNS, which automatically assigns DNS names to the loadbalancer services.
Example of an external listener of type loadbalancer using annotations
15.6. GenericKafkaListenerConfigurationBootstrap schema properties
| Property | Property type | Description |
|---|---|---|
| alternativeNames | string array | Additional alternative names for the bootstrap service. The alternative names will be added to the list of subject alternative names of the TLS certificates. |
| host | string |
The bootstrap host. This field will be used in the Ingress resource or in the Route resource to specify the desired hostname. This field can be used only with |
| nodePort | integer |
Node port for the bootstrap service. This field can be used only with |
| loadBalancerIP | string |
The loadbalancer is requested with the IP address specified in this field. This feature depends on whether the underlying cloud provider supports specifying the |
| annotations | map |
Annotations that will be added to the |
| labels | map |
Labels that will be added to the |
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