wft.yaml

# Base workflow referenced by other workflow templates
# The goal is to create several different templates that can be used to conveniently instantiate
# this workflow with different default values.
apiVersion: argoproj.io/v1alpha1
kind: WorkflowTemplate
metadata:
  name: base-template
  namespace: argo
spec:
  entrypoint: base-main
  arguments:
    parameters:
    - name: base1
      value: NO_DEFAULT # needed to make this show up in the UI, is there a better way?
    - name: base2
      value: NO_DEFAULT
    - name: base3
      value: NO_DEFAULT
  templates:
  - name: base-main
    inputs:
      parameters:
      - name: base1
      - name: base2
      - name: base3
    container:
      image: "docker/whalesay"
      command: [cowsay]
      args:
      - "{{inputs.parameters.base1}}"
      - "{{inputs.parameters.base2}}"
      - "{{inputs.parameters.base3}}"

---
# The field reference suggests that WorkflowTemplateSpec has a workflowTemplateRef field on it, and this workflow template is
# able to be created, but when you submit via the UI or CLI it fails to find the entrypoint.
apiVersion: argoproj.io/v1alpha1
kind: WorkflowTemplate
metadata:
  name: child-template-broken
  namespace: argo
spec:
  entrypoint: base-main
  arguments:
    parameters:
    # From UI or CLI, user can just set base3, and can override others if they wish
    - name: base1
      value: default_value_1
    - name: base2
      value: default_value_2
    - name: base3
      value: NO_DEFAULT
  workflowTemplateRef:
    # Internal Server Error: template reference child-template.base-main not found
    name: base-template   # Base workflow referenced by other workflow templates