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Cluster Workflow Template Cluster Wftmpl Dag

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 (
    DAG,
    Parameter,
    Task,
    Workflow,
    models as m,
)

with Workflow(generate_name="workflow-template-dag-diamond-", entrypoint="diamond") as w:
    with DAG(name="diamond") as dag:
        A = Task(
            name="A",
            template_ref=m.TemplateRef(
                name="cluster-workflow-template-print-message", template="print-message", cluster_scope=True
            ),
            arguments=Parameter(name="message", value="A"),
        )
        B = Task(
            name="B",
            template_ref=m.TemplateRef(
                name="cluster-workflow-template-print-message", template="print-message", cluster_scope=True
            ),
            arguments=Parameter(name="message", value="B"),
        )
        C = Task(
            name="C",
            template_ref=m.TemplateRef(
                name="cluster-workflow-template-inner-dag", template="inner-diamond", cluster_scope=True
            ),
        )
        D = Task(
            name="D",
            template_ref=m.TemplateRef(
                name="cluster-workflow-template-print-message", template="print-message", cluster_scope=True
            ),
            arguments=Parameter(name="message", value="D"),
        )
        A >> [B, C] >> D

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apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: workflow-template-dag-diamond-
spec:
  entrypoint: diamond
  templates:
  - name: diamond
    dag:
      tasks:
      - name: A
        arguments:
          parameters:
          - name: message
            value: A
        templateRef:
          name: cluster-workflow-template-print-message
          clusterScope: true
          template: print-message
      - name: B
        depends: A
        arguments:
          parameters:
          - name: message
            value: B
        templateRef:
          name: cluster-workflow-template-print-message
          clusterScope: true
          template: print-message
      - name: C
        depends: A
        templateRef:
          name: cluster-workflow-template-inner-dag
          clusterScope: true
          template: inner-diamond
      - name: D
        depends: B && C
        arguments:
          parameters:
          - name: message
            value: D
        templateRef:
          name: cluster-workflow-template-print-message
          clusterScope: true
          template: print-message

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