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Cron Hello World

This example shows a minimal CronWorkflow, based on the Hello World example.

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from hera.workflows import CronWorkflow, script


@script()
def hello(s: str):
    print("Hello, {s}!".format(s=s))


with CronWorkflow(
    name="hello-world-cron",
    entrypoint="hello",
    arguments={"s": "world"},
    schedules=[
        "*/2 * * * *",  # Run every 2 minutes
    ],
) as w:
    hello()

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apiVersion: argoproj.io/v1alpha1
kind: CronWorkflow
metadata:
  name: hello-world-cron
spec:
  schedules:
  - '*/2 * * * *'
  workflowSpec:
    entrypoint: hello
    templates:
    - name: hello
      inputs:
        parameters:
        - name: s
      script:
        image: python:3.10
        source: |-
          import os
          import sys
          sys.path.append(os.getcwd())
          import json
          try: s = json.loads(r'''{{inputs.parameters.s}}''')
          except: s = r'''{{inputs.parameters.s}}'''

          print('Hello, {s}!'.format(s=s))
        command:
        - python
    arguments:
      parameters:
      - name: s
        value: world

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