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Global Parameters From Configmap

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 Container, Workflow
from hera.workflows.models import Arguments, ConfigMapKeySelector, Parameter, ValueFrom

with Workflow(
    arguments=Arguments(
        parameters=[
            Parameter(
                name="message",
                value_from=ValueFrom(
                    config_map_key_ref=ConfigMapKeySelector(
                        key="msg",
                        name="simple-parameters",
                    ),
                ),
            )
        ],
    ),
    api_version="argoproj.io/v1alpha1",
    kind="Workflow",
    annotations={
        "workflows.argoproj.io/description": 'This example demonstrates loading global parameter values from a ConfigMap.\nNote that the "simple-parameters" ConfigMap (defined in `examples/configmaps/simple-parameters-configmap.yaml`) needs to be created first before submitting this workflow.\n'
    },
    generate_name="global-parameter-values-from-configmap-",
    labels={"workflows.argoproj.io/test": "true"},
    entrypoint="print-message",
) as w:
    Container(
        name="print-message",
        args=["{{workflow.parameters.message}}"],
        command=["echo"],
        image="busybox",
    )

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apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: global-parameter-values-from-configmap-
  annotations:
    workflows.argoproj.io/description: |
      This example demonstrates loading global parameter values from a ConfigMap.
      Note that the "simple-parameters" ConfigMap (defined in `examples/configmaps/simple-parameters-configmap.yaml`) needs to be created first before submitting this workflow.
  labels:
    workflows.argoproj.io/test: 'true'
spec:
  entrypoint: print-message
  templates:
  - name: print-message
    container:
      image: busybox
      args:
      - '{{workflow.parameters.message}}'
      command:
      - echo
  arguments:
    parameters:
    - name: message
      valueFrom:
        configMapKeyRef:
          name: simple-parameters
          key: msg

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