exit-handler-with-param.yaml

apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: exit-handler-with-param-
  labels:
    workflows.argoproj.io/test: "true"
  annotations:
    workflows.argoproj.io/description: |
      onExitTemplate enables workflow to pass the arguments (parameters/Artifacts) to exit handler template.
    workflows.argoproj.io/version: '>= 3.1.0'
spec:
  entrypoint: main
  templates:
    - name: main
      steps:
        - - name: step-1
            template: output
            hooks:
              exit:
                template: exit
                arguments:
                  parameters:
                    - name: message
                      value: "{{steps.step-1.outputs.parameters.result}}"
    
    - name: output
      container:
        image: python:alpine3.6
        command: [sh, -c]
        args: ["echo -n hello world > /tmp/hello_world.txt"]
      outputs:
        parameters:
          - name: result
            valueFrom:
              default: "Foobar"   # Default value to use if retrieving valueFrom fails. If not provided workflow will fail instead
              path: /tmp/hello_world.txt
    
    - name: exit
      inputs:
        parameters:
          - name: message
      script:
        image: python:alpine3.6
        command: [ python ]
        source: |
          print("{{inputs.parameters.message}}")