apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: write-file
  labels:
    app.kubernetes.io/version: "0.1"
  annotations:
    tekton.dev/pipelines.minVersion: "0.12.1"
    tekton.dev/categories: Developer Tools
    tekton.dev/tags: generic
    tekton.dev/displayName: Write a file
    tekton.dev/platforms: "linux/amd64,linux/s390x,linux/ppc64le"
spec:
  description: >-
    Write a file to a workspace

    This task can be used to write a file onto the output workspace.
    Use parameter expansion to insert variable content into the written
    file. It can also set specific permissions on the file.
  params:
    - name: path
      type: string
      description: >
        Relative path to create within the workspace. Directories will
        be created as necessary.
    - name: contents
      type: string
      description: >
        Contents of the file to create.
    - name: mode
      type: string
      default: "0755"
      description: >
        chmod-style permission string to apply to the file. Note that
        octal numbers need quoting in YAML. Mode will not be applied
        to created directories.
  workspaces:
    - name: output
      description: Workspace onto which the file is written.
  steps:
    - name: write-file
      image: docker.io/library/alpine:3.12@sha256:36553b10a4947067b9fbb7d532951066293a68eae893beba1d9235f7d11a20ad
      workingDir: $(workspaces.output.path)
      env:
        - name: PARAM_PATH
          value: $(params.path)
        - name: PARAM_MODE
          value: $(params.mode)
        - name: PARAM_CONTENTS
          value: $(params.contents)
      script: |
        #!/bin/sh
        set -eu
        DIRNAME=$(dirname "${PARAM_PATH}")
        mkdir -p "$DIRNAME"
        printf '%s' "${PARAM_CONTENTS}" > "./${PARAM_PATH}"
        chmod "${PARAM_MODE}" "./${PARAM_PATH}"