k3d.yml

name: K3d

on:
  pull_request:
    paths:
      - .github/workflows/k3d.yml
      - bin/just-k3d
      - Dockerfile
      - justfile
      - k3d-images.json

permissions:
  contents: read

jobs:
  sync-k3s-images:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    # When a new K3s version is released, this job will fail. This is expected.
    continue-on-error: true
    steps:
      - run: sudo apt-get update && sudo apt-get install -y skopeo
      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
      - uses: ./actions/setup-tools
      - run: just sync-k3s-images
      - run: git diff --exit-code

  k3s-matrix:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - run: sudo apt-get update && sudo apt-get install -y jq
      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
      - name: Load k3s-images.json
        id: matrix
        run: |
          (
            echo channel="$(jq -c '.channels | keys' k3s-images.json)"
            echo include="$(jq -c '[.digests as $digests | (.channels | to_entries[] | {channel:.key, tag:.value, digest:$digests[.value]})]' k3s-images.json)"
          ) >> "$GITHUB_OUTPUT"
    outputs:
      channel: ${{ steps.matrix.outputs.channel }}
      include: ${{ steps.matrix.outputs.include }}

  k3d-create:
    needs: k3s-matrix
    runs-on: ubuntu-latest
    strategy:
      matrix:
        channel: ${{ fromJson(needs.k3s-matrix.outputs.channel) }}
        include: ${{ fromJson(needs.k3s-matrix.outputs.include) }}
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
      - uses: ./actions/setup-tools
      - run: bin/just-k3d K3S_IMAGES_JSON=k3s-images.json K3S_CHANNEL='${{ matrix.channel }}' create use
      - name: Check that server tag is ${{ matrix.tag }}
        run: |
          tag=$(kubectl version --output=json | jq -r '.serverVersion.gitVersion | sub("\\+"; "-")')
          if [ "$tag" != '${{ matrix.tag }}' ] ; then
            echo "Running k3d channel=${{ matrix.channel }} expected tag '${{ matrix.tag }}' but found '$tag'" >&2
            exit 1
          fi