Skip to content

Life Cycle Hooks Wf Level

Note

This example is a replication of an Argo Workflow example in Hera. The upstream example can be found here.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
from hera.workflows import (
    HTTP,
    Container,
    Steps,
    Workflow,
    models as m,
)

with Workflow(
    generate_name="lifecycle-hook-",
    entrypoint="main",
    hooks={
        "exit": m.LifecycleHook(template="http"),
        "running": m.LifecycleHook(expression='workflow.status == "Running"', template="http"),
    },
) as w:
    heads = Container(
        name="heads",
        image="alpine:3.6",
        command=["sh", "-c"],
        args=['echo "it was heads"'],
    )
    http = HTTP(
        name="http",
        url="https://raw.githubusercontent.com/argoproj/argo-workflows/4e450e250168e6b4d51a126b784e90b11a0162bc/pkg/apis/workflow/v1alpha1/generated.swagger.json",
    )
    with Steps(name="main"):
        heads(name="step1")

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: lifecycle-hook-
spec:
  entrypoint: main
  hooks:
    exit:
      template: http
    running:
      expression: workflow.status == "Running"
      template: http
  templates:
  - container:
      args:
      - echo "it was heads"
      command:
      - sh
      - -c
      image: alpine:3.6
    name: heads
  - http:
      url: https://raw.githubusercontent.com/argoproj/argo-workflows/4e450e250168e6b4d51a126b784e90b11a0162bc/pkg/apis/workflow/v1alpha1/generated.swagger.json
    name: http
  - name: main
    steps:
    - - name: step1
        template: heads

Comments