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  • Ingress Class
  • Gateway Class
  • Resources that require Ingress Class or Gateway Class

Resources Requiring Setting Ingress Class and How to Set them

Ingress Class

Ingress class in Kubernetes allows Ingress definitions to be processed by different controllers. Kong Ingress Controller manages ingresses with an Ingress class of kong.

kong is the default value and can be changed using the --ingress-class CLI flag, or CONTROLLER_INGRESS_CLASS environment variable.

Gateway Class

Kong Ingress Controller reconciles any resources attached to a GatewayClass that has a spec.controllerName of konghq.com/kic-gateway-controller. Gateway API resources are attached to a Gateway object using the spec.parentRefs field, and the Gateway references a GatewayClass using the spec.gatewayClassName field.

konghq.com/kic-gateway-controller is the default value and can be changed using the --gateway-api-controller-name CLI flag, or CONTROLLER_GATEWAY_API_CONTROLLER_NAME environment variable.

Resources that require Ingress Class or Gateway Class

The following resources require an Ingress Class or Gateway Class to be defined. Any resources that are attached to a resource containing an Ingress Class or Gateway Class that Kong Ingress Controller reconciles will be automatically included in reconciliation.

Resource Kind Resource Group and Version Method to set Ingress Class
Ingress networking.k8s.io/v1 Set in spec.ingressClassName or
    set in annotation kubernetes.io/ingress.class
Gateway gateway.networking.k8s.io/v1 Set in spec.gatewayClassName
KongClusterPlugin configuration.konghq.com/v1 Set in annotation kubernetes.io/ingress.class
KongConsumer configuration.konghq.com/v1 Set in annotation kubernetes.io/ingress.class
KongConsumerGroup configuration.konghq.com/v1beta1 Set in annotation kubernetes.io/ingress.class
TCPIngress configuration.konghq.com/v1beta1 Set in annotation kubernetes.io/ingress.class
UDPIngress configuration.konghq.com/v1beta1 Set in annotation kubernetes.io/ingress.class

Note: If the IngressClass used by Kong Ingress Controller (specified in flag --ingress-class) has ingressclass.kubernetes.io/is-default-class set to true, all resources that do not have an explicit Ingress Class set are also reconciled by Kong Ingress Controller. This does not include Gateway API resources.

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