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Withsequence Nested Result

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 Script, Step, Steps, Workflow
from hera.workflows.models import IntOrString, Sequence

with Workflow(
    api_version="argoproj.io/v1alpha1",
    kind="Workflow",
    generate_name="withsequence-nested-result-",
    entrypoint="hello-entrypoint",
) as w:
    with Steps(
        name="hello-entrypoint",
    ) as invocator:
        Step(
            name="hello-a",
            template="hello",
        )
        Step(
            name="hello-b",
            template="hello-hello",
            with_sequence=Sequence(
                end=IntOrString(
                    root="{{steps.hello-a.outputs.result}}",
                ),
                start=IntOrString(
                    root="1",
                ),
            ),
        )
    with Steps(
        name="hello-hello",
    ) as invocator:
        Step(
            name="hello-b",
            template="hello",
        )
        Step(
            name="hello-c",
            template="hello",
            with_sequence=Sequence(
                end=IntOrString(
                    root="{{steps.hello-b.outputs.result}}",
                ),
                start=IntOrString(
                    root="1",
                ),
            ),
        )
    Script(
        name="hello",
        command=["python"],
        image="python:alpine3.6",
        source="import random\nresult = random.randint(0,5)\nprint(result)\n",
    )

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apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: withsequence-nested-result-
spec:
  entrypoint: hello-entrypoint
  templates:
  - name: hello-entrypoint
    steps:
    - - name: hello-a
        template: hello
    - - name: hello-b
        template: hello-hello
        withSequence:
          end: '{{steps.hello-a.outputs.result}}'
          start: '1'
  - name: hello-hello
    steps:
    - - name: hello-b
        template: hello
    - - name: hello-c
        template: hello
        withSequence:
          end: '{{steps.hello-b.outputs.result}}'
          start: '1'
  - name: hello
    script:
      image: python:alpine3.6
      source: |
        import random
        result = random.randint(0,5)
        print(result)
      command:
      - python

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