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Http Success Condition

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 HTTP, Step, Steps, Workflow
from hera.workflows.models import Arguments, Inputs, Parameter

with Workflow(
    api_version="argoproj.io/v1alpha1",
    kind="Workflow",
    annotations={
        "workflows.argoproj.io/description": "Exemplifies usage of successCondition in HTTP template (available since v3.3)\n"
    },
    generate_name="http-template-condition-",
    entrypoint="main",
) as w:
    with Steps(
        name="main",
    ) as invocator:
        with invocator.parallel():
            Step(
                arguments=Arguments(
                    parameters=[
                        Parameter(
                            name="url",
                            value="http://httpstat.us/201",
                        )
                    ],
                ),
                name="http-status-is-201-succeeds",
                template="http-status-is-201",
            )
            Step(
                arguments=Arguments(
                    parameters=[
                        Parameter(
                            name="url",
                            value="https://google.com",
                        )
                    ],
                ),
                name="http-body-contains-google-succeeds",
                template="http-body-contains-google",
            )
    HTTP(
        inputs=Inputs(
            parameters=[
                Parameter(
                    name="url",
                )
            ],
        ),
        name="http-status-is-201",
        success_condition="response.statusCode == 201",
        url="{{inputs.parameters.url}}",
    )
    HTTP(
        inputs=Inputs(
            parameters=[
                Parameter(
                    name="url",
                )
            ],
        ),
        name="http-body-contains-google",
        success_condition='response.body contains "google"',
        url="{{inputs.parameters.url}}",
    )
    HTTP(
        inputs=Inputs(
            parameters=[
                Parameter(
                    name="url",
                )
            ],
        ),
        name="http-headers-contains-cloudflare",
        success_condition='response.headers["Server"][0] == "cloudflare"',
        url="{{inputs.parameters.url}}",
    )

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apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: http-template-condition-
  annotations:
    workflows.argoproj.io/description: |
      Exemplifies usage of successCondition in HTTP template (available since v3.3)
spec:
  entrypoint: main
  templates:
  - name: main
    steps:
    - - name: http-status-is-201-succeeds
        template: http-status-is-201
        arguments:
          parameters:
          - name: url
            value: http://httpstat.us/201
      - name: http-body-contains-google-succeeds
        template: http-body-contains-google
        arguments:
          parameters:
          - name: url
            value: https://google.com
  - name: http-status-is-201
    http:
      successCondition: response.statusCode == 201
      url: '{{inputs.parameters.url}}'
    inputs:
      parameters:
      - name: url
  - name: http-body-contains-google
    http:
      successCondition: response.body contains "google"
      url: '{{inputs.parameters.url}}'
    inputs:
      parameters:
      - name: url
  - name: http-headers-contains-cloudflare
    http:
      successCondition: response.headers["Server"][0] == "cloudflare"
      url: '{{inputs.parameters.url}}'
    inputs:
      parameters:
      - name: url

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