Parameter¶

apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: my-input-parameters
spec:
  entrypoint: main
  arguments:
    parameters:
      - name: message
        value: hello
  templates:
    - name: main
      inputs:
        parameters:
          - name: message
      container:
        image: docker/whalesay
        command: [ cowsay ]
        args: [ "{{inputs.parameters.message}}" ]

apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: my-parameters
spec:
  entrypoint: main
  templates:
    - name: main
      dag:
        tasks:
          - name: generate-parameter
            template: whalesay
          - name: consume-parameter
            template: print-message
            dependencies:
              - generate-parameter
            arguments:
              parameters:
                - name: message
                  value: "{{tasks.generate-parameter.outputs.parameters.hello-param}}"

    - name: whalesay
      container:
        image: docker/whalesay
        command: [ sh, -c ]
        args: [ "echo -n hello world > /tmp/hello_world.txt" ]
      outputs:
        parameters:
          - name: hello-param
            valueFrom:
              path: /tmp/hello_world.txt

    - name: print-message
      inputs:
        parameters:
          - name: message
      container:
        image: docker/whalesay
        command: [ cowsay ]