caffeine action Caffeine Action

Provided by: "Apache Software Foundation"

Perform operations on a caffeine cache

The Kamelet expects the following headers to be set:

  • caffeine-key / ce-caffeine-key: as the cache key used in the operation

  • caffeine-operation / ce-caffeine-operation: as the operation to perform. It can be PUT, GET, INVALIDATE and CLEANUP.

If the caffeine-key header won’t be set the exchange ID will be used as key.

If the caffeine-operation header won’t be set, the GET operation will be performed.

Configuration Options

The following table summarizes the configuration options available for the caffeine-action Kamelet:

Property Name Description Type Default Example

cacheName *

Cache name

The name of the cache we want to use

string

"caffeine-cache"

Fields marked with (*) are mandatory.

Usage

This section summarizes how the caffeine-action can be used in various contexts.

Knative Action

The caffeine-action Kamelet can be used as intermediate step in a binding.

caffeine-action-binding.yaml
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: caffeine-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: caffeine-action
  sink:
    ref:
      kind: InMemoryChannel
      apiVersion: messaging.knative.dev/v1
      name: mychannel

Make sure you have Camel K installed into the Kubernetes cluster you’re connected to.

Save the caffeine-action-binding.yaml file into your hard drive, then configure it according to your needs.

You can run the action using the following command:

kubectl apply -f caffeine-action-binding.yaml