build.yaml

name: CI Build

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v3
      - id: set-matrix
        run: |
          matrix=$( cat k8s-versions.json | jq '{version: [keys[] as $k | .[$k].versions[] | .k8s as $v | "\($k) \($v)"]}' -c )
          echo $matrix
          echo "::set-output name=matrix::$matrix"

  check-matrix:
    runs-on: ubuntu-latest
    needs: matrix
    steps:
      - name: Check matrix definition
        run: |
          matrix='${{ needs.matrix.outputs.matrix }}'
          echo $matrix
          echo $matrix | jq .

  build:
    runs-on: ubuntu-latest
    needs: matrix
    strategy:
      matrix: ${{ fromJson(needs.matrix.outputs.matrix) }}
    steps:
      - uses: actions/checkout@v3
      - name: Set up JDK 11
        uses: actions/setup-java@v2
        with:
          java-version: '11'
          distribution: 'adopt'
      - name: Build with Gradle
        env:
          CONTAINER_FILTER: ${{ matrix.version }}
        run: ./gradlew build