workspace.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: my-pvc
spec:
  resources:
    requests:
      storage: 5Gi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: my-configmap
data:
  message: hello world
---
apiVersion: v1
kind: Secret
metadata:
  name: my-secret
type: Opaque
stringData:
  username: user
data:
  message: aGVsbG8gc2VjcmV0
---
apiVersion: tekton.dev/v1beta1
kind: TaskRun
metadata:
  generateName: custom-volume-
spec:
  workspaces:
    - name: custom
      persistentVolumeClaim:
        claimName: my-pvc
      subPath: my-subdir
    - name: custom2
      persistentVolumeClaim:
        claimName: my-pvc
    - name: custom3
      emptyDir: {}
      subPath: testing
    - name: custom4
      configMap:
        name: my-configmap
        items:
          - key: message
            path: my-message.txt
    - name: custom5
      secret:
        secretName: my-secret
  taskSpec:
    steps:
    - name: write
      image: ubuntu
      script: echo $(workspaces.custom.volume) > $(workspaces.custom.path)/foo
    - name: read
      image: ubuntu
      script: cat $(workspaces.custom.path)/foo | grep $(workspaces.custom.volume)
    - name: write2
      image: ubuntu
      script: echo $(workspaces.custom2.path) > $(workspaces.custom2.path)/foo
    - name: read2
      image: ubuntu
      script: cat $(workspaces.custom2.path)/foo | grep $(workspaces.custom2.path)
    - name: write3
      image: ubuntu
      script: echo $(workspaces.custom3.path) > $(workspaces.custom3.path)/foo
    - name: read3
      image: ubuntu
      script: cat $(workspaces.custom3.path)/foo | grep $(workspaces.custom3.path)
    - name: readconfigmap
      image: ubuntu
      script: cat $(workspaces.custom4.path)/my-message.txt | grep "hello world"
    - name: readsecret
      image: ubuntu
      script: |
        #!/usr/bin/env bash
        set -xe
        cat $(workspaces.custom5.path)/username | grep "user"
        cat $(workspaces.custom5.path)/message | grep "hello secret"
    workspaces:
    - name: custom
    - name: custom2
      mountPath: /foo/bar/baz
    - name: custom3
    - name: custom4
      mountPath: /baz/bar/quux
    - name: custom5
      mountPath: /my/secret/volume