Steps

Note

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

HeraYAML

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

with Workflow(
    generate_name="steps-",
    entrypoint="hello-hello-hello",
) as w:
    print_message = Container(
        name="print-message",
        inputs=[Parameter(name="message")],
        image="busybox",
        command=["echo"],
        args=["{{inputs.parameters.message}}"],
    )

    with Steps(name="hello-hello-hello") as s:
        Step(
            name="hello1",
            template=print_message,
            arguments=[Parameter(name="message", value="hello1")],
        )

        with s.parallel():
            Step(
                name="hello2a",
                template=print_message,
                arguments=[Parameter(name="message", value="hello2a")],
            )
            Step(
                name="hello2b",
                template=print_message,
                arguments=[Parameter(name="message", value="hello2b")],
            )

apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: steps-
spec:
  entrypoint: hello-hello-hello
  templates:
  - name: print-message
    container:
      image: busybox
      args:
      - '{{inputs.parameters.message}}'
      command:
      - echo
    inputs:
      parameters:
      - name: message
  - name: hello-hello-hello
    steps:
    - - name: hello1
        template: print-message
        arguments:
          parameters:
          - name: message
            value: hello1
    - - name: hello2a
        template: print-message
        arguments:
          parameters:
          - name: message
            value: hello2a
      - name: hello2b
        template: print-message
        arguments:
          parameters:
          - name: message
            value: hello2b

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