apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: jib-gradle
  labels:
    app.kubernetes.io/version: "0.1"
  annotations:
    tekton.dev/pipelines.minVersion: "0.12.1"
    tekton.dev/categories: Image Build
    tekton.dev/tags: image-build
    tekton.dev/displayName: "jib gradle"
    tekton.dev/platforms: "linux/amd64"
    tekton.dev/deprecated: "true"
spec:
  description: >-
    This Task builds Java/Kotlin/Groovy/Scala source into a container image using Google’s Jib tool.

    Jib works with Gradle and Maven projects, and this template is for Gradle projects.

  params:
  - name: DIRECTORY
    description: The directory containing the app, relative to the source repository root
    default: .
  - name: CACHE
    description: The name of the volume for caching Gradle artifacts, local Maven repository, and base image layers
    default: empty-dir-volume
  - name: INSECUREREGISTRY
    description: Whether to allow insecure registry
    default: "false"
  workspaces:
  - name: source
  resources:
    outputs:
    - name: image
      type: image
  steps:
  - name: build-and-push
    image: gcr.io/cloud-builders/gradle@sha256:797c9936cf33fc30d82a54437541d7ea7f7825c93e3237a89d254b9bc40b0898
    script: |
      #!/bin/sh
      set -o errexit
      # Adds Gradle init script that applies the Jib Gradle plugin.
      echo "initscript {
              repositories { maven { url 'https://plugins.gradle.org/m2' } }
              dependencies { classpath 'com.google.cloud.tools:jib-gradle-plugin:+' }
            }
            rootProject {
              afterEvaluate {
                if (!project.plugins.hasPlugin('com.google.cloud.tools.jib')) {
                  project.apply plugin: com.google.cloud.tools.jib.gradle.JibPlugin
                }
              }
            }" > $HOME/init-script.gradle
      # Runs the Gradle Jib build.
      gradle jib \
        --stacktrace --console=plain \
        --init-script=$HOME/init-script.gradle \
        --gradle-user-home=$HOME/.gradle \
        -Dgradle.user.home=$HOME/.gradle \
        -Duser.home=$HOME \
        -Djib.allowInsecureRegistries=$(params.INSECUREREGISTRY) \
        -Djib.to.image=$(resources.outputs.image.url)
    workingDir: $(workspaces.source.path)/$(params.DIRECTORY)
    env:
    - name: HOME
      value: /workspace
    - name: "DOCKER_CONFIG"
      value: $(credentials.path)/.docker/
    volumeMounts:
    # empty volume required to make the Gradle home globally writable
    - name: empty-dir-volume
      mountPath: /workspace/.gradle
      subPath: gradle-user-home
    - name: $(params.CACHE)
      mountPath: /workspace/.gradle/caches
      subPath: gradle-caches
    - name: $(params.CACHE)
      mountPath: /workspace/.gradle/wrapper
      subPath: gradle-wrapper
    - name: $(params.CACHE)
      mountPath: /workspace/.m2
      subPath: m2-cache
    - name: $(params.CACHE)
      mountPath: /workspace/.cache
      subPath: jib-cache
    securityContext:
      runAsUser: 0

  volumes:
  - name: empty-dir-volume
    emptyDir: {}