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K8S Jobs

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 Resource, Workflow
from hera.workflows.models import Outputs, Parameter, ValueFrom

with Workflow(
    api_version="argoproj.io/v1alpha1",
    kind="Workflow",
    name="k8s-jobs",
    entrypoint="rand-num",
) as w:
    Resource(
        name="rand-num",
        outputs=Outputs(
            parameters=[
                Parameter(
                    name="job-name",
                    value_from=ValueFrom(
                        json_path="{.metadata.name}",
                    ),
                ),
                Parameter(
                    name="job-obj",
                    value_from=ValueFrom(
                        jq_filter=".",
                    ),
                ),
            ],
        ),
        action="create",
        failure_condition="status.failed > 1",
        manifest='apiVersion: batch/v1\nkind: Job\nmetadata:\n  generateName: rand-num-\nspec:\n  completions: 3\n  parallelism: 3\n  template:\n    metadata:\n      name: rand\n    spec:\n      containers:\n      - name: rand\n        image: python:alpine3.6\n        command: ["python", "-c", "import random; import time; print(random.randint(1, 1000)); time.sleep(10)"]\n      restartPolicy: Never\n',
        set_owner_reference=True,
        success_condition="status.succeeded > 2",
    )

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apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  name: k8s-jobs
spec:
  entrypoint: rand-num
  templates:
  - name: rand-num
    outputs:
      parameters:
      - name: job-name
        valueFrom:
          jsonPath: '{.metadata.name}'
      - name: job-obj
        valueFrom:
          jqFilter: .
    resource:
      action: create
      failureCondition: status.failed > 1
      manifest: |
        apiVersion: batch/v1
        kind: Job
        metadata:
          generateName: rand-num-
        spec:
          completions: 3
          parallelism: 3
          template:
            metadata:
              name: rand
            spec:
              containers:
              - name: rand
                image: python:alpine3.6
                command: ["python", "-c", "import random; import time; print(random.randint(1, 1000)); time.sleep(10)"]
              restartPolicy: Never
      setOwnerReference: true
      successCondition: status.succeeded > 2

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