Suspend Template Outputs

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, Step, Steps, Workflow
from hera.workflows.models import Outputs, Parameter, SuppliedValueFrom, SuspendTemplate, Template, ValueFrom

with Workflow(
    name="suspend-outputs",
    entrypoint="suspend",
) as w:
    whalesay = Container(
        name="whalesay",
        image="docker/whalesay",
        command=["cowsay"],
        inputs=[Parameter(name="message")],
        args=["{{inputs.parameters.message}}"],
    )

    with Steps(name="suspend"):
        Step(
            name="approve",
            template=Template(
                name="approve",
                suspend=SuspendTemplate(),
                outputs=Outputs(
                    parameters=[
                        Parameter(
                            name="message",
                            value_from=ValueFrom(supplied=SuppliedValueFrom()),
                        )
                    ]
                ),
            ),
        )
        whalesay(name="release", arguments={"message": "{{steps.approve.outputs.parameters.message}}"})

apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  name: suspend-outputs
spec:
  entrypoint: suspend
  templates:
  - container:
      args:
      - '{{inputs.parameters.message}}'
      command:
      - cowsay
      image: docker/whalesay
    inputs:
      parameters:
      - name: message
    name: whalesay
  - name: suspend
    steps:
    - - name: approve
        template: approve
    - - arguments:
          parameters:
          - name: message
            value: '{{steps.approve.outputs.parameters.message}}'
        name: release
        template: whalesay
  - name: approve
    outputs:
      parameters:
      - name: message
        valueFrom:
          supplied: {}
    suspend: {}

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