global-artifact-passing.yaml

global-artifact-passing.yaml

# This example shows that the consume-artifact steps in the loop will 
# wrongly get "AAA" as global-art output, while it should get "BBB" and
# "CCC" which are generated by loop-echo later than "AAA" generated by 
# generate-artifact-A.
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: global-artifact-passing-
spec:
  entrypoint: global-artifact-example
  templates:
  - name: global-artifact-example
    parallelism: 1
    steps:
    - - name: generate-artifact-A
        template: echo
        arguments:
          parameters:
          - name: msg
            value: "AAA"
    - - name: loop
        template: loop
        arguments:
          parameters:
          - name: msg
            value: "{{item}}"
        withItems:
        - "BBB"
        - "CCC"
        
  - name: loop
    inputs:
      parameters:
        - name: msg
    steps:
    - - name: loop-echo
        template: echo
        arguments:
          parameters:
          - name: msg
            value: "{{inputs.parameters.msg}}"
    - - name: consume-artifact
        template: print-message
        arguments:
          artifacts:
          - name: my-art
            from: "{{workflow.outputs.artifacts.global-art}}"

  - name: echo
    inputs:
      parameters:
      - name: msg
    container:
      image: alpine:latest
      command: [sh, -c]
      args: ["echo {{inputs.parameters.msg}} | tee /tmp/echo.txt"]
    outputs:
      artifacts:
      - name: echo-art
        path: /tmp
        globalName: global-art

  - name: print-message
    inputs:
      artifacts:
      - name: my-art
        path: /tmp
    container:
      image: alpine:latest
      command: [sh, -c]
      args: ["cat /tmp/echo.txt"]