apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: before-pipeline
spec:
  params:
    - name: pvcEnable
      type: string
      default: "false"
      description: |
        Whether to create a PersistentVolumeClaim (PVC).
        Set to "true" to create a PVC. Set to "false" to skip creation.

    - name: pvcSize
      type: string
      default: "1Gi"
      description: |
        The requested size of the PVC (e.g., "1Gi", "5Gi").

  results:
    - name: pvcName
      description: |
        The name of the created PVC. If pvcEnable is false, this will be an empty string.

  steps:
    - name: maybe-create-pvc
      image: bitnami/kubectl:latest
      script: |
        #!/bin/sh
        set -e

        echo "pvcEnable: $(params.pvcEnable)"
        if [ "$(params.pvcEnable)" = "true" ]; then
          # Generate a random PVC name
          RAND=$(head /dev/urandom | tr -dc a-z0-9 | head -c 6)
          PVC_NAME="before-pvc-${RAND}"
          echo "Creating PVC: ${PVC_NAME}"

          # Apply PVC manifest
          cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: ${PVC_NAME}
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: $(params.pvcSize)
  volumeMode: Filesystem
EOF

          # Output the PVC name as a Task result
          echo -n "${PVC_NAME}" > $(results.pvcName.path)
          echo "PVC creation complete: ${PVC_NAME}"
        else
          echo "PVC creation skipped (pvcEnable=false)"
          echo -n "" > $(results.pvcName.path)
        fi