apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: before-pipeline
  annotations:
    tekton.dev/pipelines.minVersion: "0.28.0"
    tekton.dev/categories: "Preparation"
    tekton.dev/tags: "directory,workspace"
    tekton.dev/displayName: "Create Working Folder in Shared Workspace"
spec:
  description: |
    This task generates a unique working folder inside the provided shared workspace.
    The folder name is a combination of the given prefix, a timestamp, and a random string.
    The result can be used as a scoped working directory for subsequent tasks in a pipeline.
  params:
    - name: workingFolderPrefix
      type: string
      default: "pipeline-run"
      description: |
        A prefix for the working folder name.
        The final folder name will include this prefix, a timestamp, and a random string.
  results:
    - name: workingFolder
      description: |
        The unique folder name created in the shared workspace.
  workspaces:
    - name: shared
  steps:
    - name: create-folder
      image: ubuntu
      script: |
        #!/bin/bash
        workingFolder="$(params.workingFolderPrefix)-$(date +%s)-$(head /dev/urandom | tr -dc a-z0-9 | head -c 6)"
        mkdir -p /workspace/shared/${workingFolder}
        echo "Created folder: ${workingFolder}"
        echo -n "${workingFolder}" > $(results.workingFolder.path)