pipelinespec-with-nested-loop.yaml

apiVersion: custom.tekton.dev/v1alpha1
kind: PipelineLoop
metadata:
  name: pipelineloop-inner
spec:
  pipelineSpec:
    params:
    - name: message
      type: string
    tasks:
    - name: echo-loop-task
      params:
      - name: message
        value: $(params.message)
      taskSpec:
        params:
        - name: message
          type: string
        steps:
          - name: echo
            image: ubuntu
            imagePullPolicy: IfNotPresent
            script: |
              #!/usr/bin/env bash
              echo "$(params.message)"
  iterateParam: message
---
apiVersion: custom.tekton.dev/v1alpha1
kind: PipelineLoop
metadata:
  name: pipelineloop
spec:
  pipelineSpec:
    params:
    - name: message
      type: string
    tasks:
    - name: echo-loop-task
      params:
      - name: message
        value: $(params.message)
      taskSpec:
        params:
        - name: message
          type: string
        steps:
          - name: echo
            image: ubuntu
            imagePullPolicy: IfNotPresent
            script: |
              #!/usr/bin/env bash
              echo "$(params.message)"
    - name: loop-task-inner
      runAfter:
        - echo-loop-task
      params:
        - name: message
          value:
            - I am the inner first one
            - I am the inner second one
      taskRef:
        apiVersion: custom.tekton.dev/v1alpha1
        kind: PipelineLoop
        name: pipelineloop-inner
  iterateParam: message
---
apiVersion: tekton.dev/v1
kind: PipelineRun
metadata:
  annotations:
    tekton.dev/example-loop-pipeline: '{"spec":{"pipelineSpec":{"params":[{"name":"message","type":"string"}],"tasks":[{"name":"echo-loop-task","params":[{"name":"message","value":"$(params.message)"}],"taskSpec":{"params":[{"name":"message","type":"string"}],"steps":[{"name":"echo","image":"ubuntu","imagePullPolicy":"IfNotPresent","script":"#!/usr/bin/env bash\necho \"$(params.message)\"\n"}]}}]},"iterateParam":"message"}}'
  name: pr-loop-example
  labels:
    mylooplabels: mylooplabels
spec:
  pipelineSpec:
    tasks:
      - name: first-task
        taskSpec:
          steps:
            - name: echo
              image: ubuntu
              imagePullPolicy: IfNotPresent
              script: |
                #!/usr/bin/env bash
                echo "I am the first task before the loop task"
      - name: loop-task
        runAfter:
          - first-task
        params:
          - name: message
            value:
              - I am the first one
              - I am the second one
              - I am the third one
        taskRef:
          apiVersion: custom.tekton.dev/v1alpha1
          kind: PipelineLoop
          name: pipelineloop
      - name: last-task
        runAfter:
          - loop-task
        taskSpec:
          steps:
            - name: echo
              image: ubuntu
              imagePullPolicy: IfNotPresent
              script: |
                #!/usr/bin/env bash
                echo "I am the last task after the loop task"