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Workflow Template Steps

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 (
    Parameter,
    Step,
    Steps,
    Workflow,
    models as m,
)

with Workflow(
    generate_name="workflow-template-steps-",
    entrypoint="hello-hello-hello",
) as w:
    with Steps(name="hello-hello-hello") as s:
        Step(
            name="hello1",
            template_ref=m.TemplateRef(
                name="workflow-template-print-message",
                template="print-message",
            ),
            arguments=Parameter(name="message", value="hello1"),
        )
        with s.parallel():
            Step(
                name="hello2a",
                template_ref=m.TemplateRef(
                    name="workflow-template-inner-steps",
                    template="inner-steps",
                ),
                arguments=Parameter(name="message", value="hello2a"),
            )
            Step(
                name="hello2b",
                template_ref=m.TemplateRef(
                    name="workflow-template-print-message",
                    template="print-message",
                ),
                arguments=Parameter(name="message", value="hello2b"),
            )

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apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: workflow-template-steps-
spec:
  entrypoint: hello-hello-hello
  templates:
  - name: hello-hello-hello
    steps:
    - - name: hello1
        arguments:
          parameters:
          - name: message
            value: hello1
        templateRef:
          name: workflow-template-print-message
          template: print-message
    - - name: hello2a
        arguments:
          parameters:
          - name: message
            value: hello2a
        templateRef:
          name: workflow-template-inner-steps
          template: inner-steps
      - name: hello2b
        arguments:
          parameters:
          - name: message
            value: hello2b
        templateRef:
          name: workflow-template-print-message
          template: print-message

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