Skip to content

Intermediate Parameters

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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
from hera.workflows import Container, Step, Steps, Suspend, Workflow
from hera.workflows.models import Inputs, Outputs, Parameter, SuppliedValueFrom, ValueFrom

with Workflow(
    api_version="argoproj.io/v1alpha1",
    kind="Workflow",
    generate_name="intermediate-parameters-cicd-",
    entrypoint="cicd-pipeline",
) as w:
    with Steps(
        name="cicd-pipeline",
    ) as invocator:
        Step(
            name="deploy-pre-prod",
            template="deploy",
        )
        Step(
            name="approval",
            template="approval",
        )
        Step(
            name="deploy-prod",
            template="deploy",
            when="{{steps.approval.outputs.parameters.approve}} == YES",
        )
    Suspend(
        inputs=Inputs(
            parameters=[
                Parameter(
                    default="NO",
                    description="Choose YES to continue workflow and deploy to production",
                    enum=["YES", "NO"],
                    name="approve",
                )
            ],
        ),
        name="approval",
        outputs=Outputs(
            parameters=[
                Parameter(
                    name="approve",
                    value_from=ValueFrom(
                        supplied=SuppliedValueFrom(),
                    ),
                )
            ],
        ),
    )
    Container(
        name="deploy",
        args=["echo", "deploying"],
        command=["/argosay"],
        image="argoproj/argosay:v2",
    )

 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
29
30
31
32
33
34
35
36
37
38
39
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: intermediate-parameters-cicd-
spec:
  entrypoint: cicd-pipeline
  templates:
  - name: cicd-pipeline
    steps:
    - - name: deploy-pre-prod
        template: deploy
    - - name: approval
        template: approval
    - - name: deploy-prod
        template: deploy
        when: '{{steps.approval.outputs.parameters.approve}} == YES'
  - name: approval
    inputs:
      parameters:
      - name: approve
        default: 'NO'
        description: Choose YES to continue workflow and deploy to production
        enum:
        - 'YES'
        - 'NO'
    outputs:
      parameters:
      - name: approve
        valueFrom:
          supplied: {}
    suspend: {}
  - name: deploy
    container:
      image: argoproj/argosay:v2
      args:
      - echo
      - deploying
      command:
      - /argosay

Comments