4.2. source Kamelet 示例

以下是 coffee-source Kamelet 示例的内容：

apiVersion: camel.apache.org/v1alpha1
kind: Kamelet
metadata:
  name: coffee-source
  labels:
    camel.apache.org/kamelet.type: "source"
spec:
  definition:
    title: "Coffee Source"
    description: "Retrieve a random coffee from a catalog of coffees"
    properties:
      period:
        title: Period
        description: The interval between two events in seconds
        type: integer
        default: 1000
  types:
    out:
      mediaType: application/json
  template:
    from:
      uri: timer:tick
      parameters:
        period: "{{period}}"
      steps:
      - to: "https://random-data-api.com/api/coffee/random_coffee"
      - to: "kamelet:sink"