loop-example-workspaces.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: recipe-storage
data:
  recipe: |
    1. dry roast split green gram 1 cup
    2. turn it into a fine powder somehow
    3. While it is still warm add jaggery powder 1 cup
    4. In a seperate pan, heat clarified butter to molten consistency
    5. Mix all the items, and add only as much ghee that mixture can be bound into sphere ball
    6. Tasty and healthy (great source of protein/energy) sunnandulu laddus are ready
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: shared-task-storage
spec:
  resources:
    requests:
      storage: 16Mi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce
---
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: print-data
spec:
  workspaces:
    - name: storage
      readOnly: true
  params:
    - name: filename
  steps:
    - name: print-recipe
      image: ubuntu
      script: cat $(workspaces.storage.path)/$(params.filename)
---
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: fetch-store-data
spec:
  workspaces:
    - name: recipe-ws
    - name: storage
  params:
    - name: src-filename
    - name: dst-filename
  steps:
    - name: fetch-store-recipe-data
      image: ubuntu
      script: |
        cp $(workspaces.recipe-ws.path)/$(params.src-filename) $(workspaces.storage.path)/$(params.dst-filename)
---
apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
  name: fetch-and-print-recipe
spec:
  params:
    - name: dst-filename
      type: string
  workspaces:
    - name: shared-data
    - name: recipe-store
  tasks:
    - name: fetch-the-recipe
      taskRef:
        name: fetch-store-data
      params:
        - name: src-filename
          value: recipe.txt
        - name: dst-filename
          value: $(params.dst-filename)
      workspaces:
        - name: recipe-ws
          workspace: recipe-store
        - name: storage
          workspace: shared-data
    - name: print-the-recipe
      runAfter:
        - fetch-the-recipe
      taskRef:
        name: print-data
      params:
        - name: filename
          value: $(params.dst-filename)
      workspaces:
        - name: storage
          workspace: shared-data
---
apiVersion: custom.tekton.dev/v1alpha1
kind: PipelineLoop
metadata:
  name: pipelineloop-ws-example
spec:
  pipelineRef:
    name: fetch-and-print-recipe
  workspaces:
    - name: recipe-store
      configMap:
        name: recipe-storage
        items:
          - key: recipe
            path: recipe.txt
    - name: shared-data
      persistentVolumeClaim:
        claimName: shared-task-storage
  iterateParam: dst-filename
---
apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
  name: pr-ws-loop-example
spec:
  pipelineSpec:
    tasks:
      - name: produce-recipies
        retries: 3
        params:
          - name: dst-filename
            value:
              - first-recipe.txt
              - second-recipe.txt
              - third-recipe.txt
        taskRef:
          apiVersion: custom.tekton.dev/v1alpha1
          kind: PipelineLoop
          name: pipelineloop-ws-example