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").
    - name: pvcStorageClass
      type: string
      default: ""
      description: |
        The name of the StorageClass to use. Leave empty to use the default storage class.
  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

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

          cat <<EOF > /tmp/pvc.yaml
        apiVersion: v1
        kind: PersistentVolumeClaim
        metadata:
          name: ${PVC_NAME}
        spec:
          accessModes:
            - ReadWriteOnce
          resources:
            requests:
              storage: $(params.pvcSize)
          volumeMode: Filesystem
        EOF

          if [ "$(params.pvcStorageClass)" != "" ]; then
            echo "  storageClassName: $(params.pvcStorageClass)" >> /tmp/pvc.yaml
          fi

          kubectl apply -f /tmp/pvc.yaml
          echo -n "${PVC_NAME}" > $(results.pvcName.path)
          echo "PVC created: ${PVC_NAME}"
        else
          echo "PVC creation skipped (pvcEnable=false)"
          echo -n "" > $(results.pvcName.path)
        fi