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Exit Handler Step Level

Note

This example is a replication of an Argo Workflow example in Hera. The upstream example can be found here.

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from hera.workflows import Container, Parameter, Steps, Workflow

with Workflow(
    generate_name="exit-handler-step-level-",
    entrypoint="main",
) as w:
    exit_ = Container(
        name="exit",
        image="docker/whalesay",
        command=["cowsay"],
        args=["step cleanup"],
    )
    whalesay = Container(
        name="whalesay",
        inputs=[Parameter(name="message")],
        image="docker/whalesay",
        command=["cowsay"],
        args=["{{inputs.parameters.message}}"],
    )
    with Steps(name="main") as s:
        whalesay(
            name="hello1",
            arguments=[Parameter(name="message", value="hello1")],
            on_exit=exit_,
        )
        with s.parallel():
            whalesay(
                name="hello2a",
                arguments=[Parameter(name="message", value="hello2a")],
                on_exit=exit_,
            )
            whalesay(
                name="hello2b",
                arguments=[Parameter(name="message", value="hello2b")],
                on_exit=exit_,
            )

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apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: exit-handler-step-level-
spec:
  entrypoint: main
  templates:
  - container:
      args:
      - step cleanup
      command:
      - cowsay
      image: docker/whalesay
    name: exit
  - container:
      args:
      - '{{inputs.parameters.message}}'
      command:
      - cowsay
      image: docker/whalesay
    inputs:
      parameters:
      - name: message
    name: whalesay
  - name: main
    steps:
    - - arguments:
          parameters:
          - name: message
            value: hello1
        name: hello1
        onExit: exit
        template: whalesay
    - - arguments:
          parameters:
          - name: message
            value: hello2a
        name: hello2a
        onExit: exit
        template: whalesay
      - arguments:
          parameters:
          - name: message
            value: hello2b
        name: hello2b
        onExit: exit
        template: whalesay

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