ci.yml

name: CI

on:
  push:
    # Trigger CI on all branch pushes but...
    branches:
      - "**"
    # don't double trigger on new tag push when creating release. Should only
    # trigger once for the release.
    tags-ignore:
      - "*.*.*"
  pull_request:
  release:
    types: [created]

jobs:
  check-lint-and-format:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ./mkchain
    steps:
      - uses: actions/checkout@v2

      - name: Set up Python 3.9
        uses: actions/setup-python@v1
        with:
          python-version: 3.9

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install black isort==5.7.0 autoflake

      - name: Remove unused imports
        run: |
          # one run to output unused imports, another run for exit code
          autoflake . -r --remove-all-unused-imports
          autoflake . -r --remove-all-unused-imports -c

      - name: Sort imports
        run: isort . --check --diff

      - name: black
        run: black . --check

  # We don't have mkchain tests yet
  # test:
  #   runs-on: ${{ matrix.os }}
  #   needs: check-lint-and-format
  #   defaults:
  #     run:
  #       working-directory: ./mkchain
  #   strategy:
  #     fail-fast: false
  #     matrix:
  #       python-version: [3.7, 3.8, 3.9]
  #       os: [ubuntu-latest, macos-latest, windows-latest]
  #   steps:
  #     - uses: actions/checkout@v2

  #     - name: Set up Python ${{ matrix.python-version }}
  #       uses: actions/setup-python@v1
  #       with:
  #         python-version: ${{ matrix.python-version }}

  #     - name: Install dependencies
  #       run: |
  #         python -m pip install --upgrade pip
  #         pip install pyyaml kubernetes
  #         pip install pytest

  #     - name: Build Python package
  #       run: pip install .

  #     - name: pytest
  #       run: pytest tests


  list_containers_to_publish:
    # based on
    # https://stackoverflow.com/a/62953566/207209
    runs-on: ubuntu-latest
    needs: check-lint-and-format
    outputs:
      matrix: ${{ steps.gen-containers-matrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v2

      - id: gen-containers-matrix
        run: |
          container_list=$(jq -c -n --arg cont "$(find -name 'Dockerfile' -printf '%h\n' | sort -u | sed 's/.\///')" '{ container: $cont | split("\n")}')
          echo "Dynamically generated container list based on subdirectories of the repo with a dockerfile in it. The following list will be passed to next build step:"
          echo $container_list
          echo "::set-output name=matrix::$container_list"

  publish-to-ghcr:
    runs-on: ubuntu-latest
    needs: list_containers_to_publish
    strategy:
      matrix: ${{fromJson(needs.list_containers_to_publish.outputs.matrix)}}

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 1
          submodules: "true"

      # We configure docker image caching for faster builds. See:
      # https://evilmartians.com/chronicles/build-images-on-github-actions-with-docker-layer-caching

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@master
        with:
          install: true

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Login to registry
        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin

      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-multi-buildx-${{ matrix.container }}-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-multi-buildx-${{ matrix.container }}

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: ghcr.io/${{ github.repository_owner }}/tezos-k8s-${{ matrix.container }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=match,pattern=([0-9]+\.[0-9]+\.[0-9]+),group=1

      - name: Push ${{ matrix.container }} container to GHCR
        uses: docker/build-push-action@v4
        with:
          push: true
          provenance: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          file: ${{ matrix.container }}/Dockerfile
          context: ${{ matrix.container}}/.
          platforms: linux/amd64,linux/arm64

          # Cache settings
          builder: ${{ steps.buildx.outputs.name }}
          cache-from: type=local,src=/tmp/.buildx-cache
          # Note the mode=max here
          # More: https://github.com/moby/buildkit#--export-cache-options
          # And: https://github.com/docker/buildx#--cache-tonametypetypekeyvalue
          cache-to: type=local,mode=max,dest=/tmp/.buildx-cache-new

        # Temp fix
        # https://github.com/docker/build-push-action/issues/252
        # https://github.com/moby/buildkit/issues/1896
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

  lint_helm_charts:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.8.1

      - name: Lint Helm Charts
        run: helm lint charts/*

  test-helm-charts:
    runs-on: ubuntu-latest
    needs: lint_helm_charts
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set up Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.8.1

      - name: Run Helm Template Tests
        run: ./bin/test-charts

  publish_helm_charts:
    runs-on: ubuntu-latest
    needs: [test-helm-charts, lint_helm_charts, publish-to-ghcr]
    if: github.event_name == 'release' && github.event.action == 'created'
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Install yq
        run: |
          sudo wget -q https://github.com/mikefarah/yq/releases/download/v4.2.0/yq_linux_amd64 -O /usr/bin/yq
          sudo chmod +x /usr/bin/yq

      - name: Get Release Version
        id: get_release_version
        run: echo "::set-output name=RELEASE_VERSION::${GITHUB_REF/refs\/tags\//}"

      - name: Set Helm Chart and Image Versions
        run: |
          set -x

          RELEASE_VERSION=${{ steps.get_release_version.outputs.RELEASE_VERSION }}

          for chart in charts/*; do
            [[ ! -d "$chart" ]] && continue
            echo $chart

            # Update Chart.yaml with release version
            yq e ".version = \"$RELEASE_VERSION\"" -i "$chart/Chart.yaml"

            # Get tacoinfra/tezos-k8s images specified in values.yaml
            tq_images=$(yq e '(.tezos_k8s_images[]) | path | .[-1]' "$chart/values.yaml")

            # Update the release version of each of tezos-k8s images
            for image in $tq_images; do
              image_name=$(yq e ".tezos_k8s_images.$image" $chart/values.yaml | sed -E "s/ghcr.io\/tacoinfra\/tezos-k8s-(.*):.*/\1/")
              yq e ".tezos_k8s_images.$image = \"ghcr.io/tacoinfra/tezos-k8s-$image_name:$RELEASE_VERSION\"" -i $chart/values.yaml
            done
          done

      - name: Publish Helm charts
        uses: stefanprodan/helm-gh-pages@master
        with:
          linting: off # We already linted in a job before
          token: ${{ secrets.CI_GITHUB_TOKEN }}
          branch: main
          owner: ${{ github.repository_owner }}
          repository: tezos-helm-charts