ci.yml

# Our desired pipeline using only a Nix shell environment
name: Check and build Kardinal

on:
  push:
    branches:
      - main
    tags:
      - "v*.*.*"
    paths-ignore:
      - "website/**"
      - "**/README.md"
  pull_request:
    branches:
      - main
    paths-ignore:
      - "website/**"
      - "**/README.md"

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

env:
  MAIN_BRANCH: ${{ 'refs/heads/main' }}

jobs:
  check_nix:
    name: Basic Check
    runs-on: ubuntu-22.04
    steps:
      - name: git checkout
        uses: actions/checkout@v3

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@main

      - name: Magic cache
        uses: DeterminateSystems/magic-nix-cache-action@main

      - name: Check Nixpkgs inputs
        uses: DeterminateSystems/flake-checker-action@main
        with:
          fail-mode: true

      # Nix-specific logic begins here
      - name: Nix Check
        run: |
          nix flake check

      - name: Check Go tidiness
        run: |
          git reset --hard
          git clean -f
          nix develop --command go-tidy-all
          export changed_files=$(git diff-files --name-only | grep -cv ".toml$")
          if [[ $changed_files != 0 ]]; then
            echo "Go modules are not so tidy (run 'go-tidy-all' to fix it):"
            git diff-files --name-only
            exit 1
          fi

      - name: Check Go formatting
        run: |
          git reset --hard
          git clean -f
          nix develop --command test -z $(gofmt -l .)

  build_publish_images:
    name: Test, build and publish images
    needs: check_nix
    runs-on: ubuntu-22.04
    steps:
      - name: git checkout
        uses: actions/checkout@v3

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@main

      - name: Magic cache
        uses: DeterminateSystems/magic-nix-cache-action@main

      - name: Build Kardinal Manager images
        run: |
          nix build ./#containers.x86_64-linux.kardinal-manager.arm64 --no-link --print-out-paths
          nix build ./#containers.x86_64-linux.kardinal-manager.amd64 --no-link --print-out-paths

      - name: Build Kardinal CLI images
        run: |
          nix build ./#containers.x86_64-linux.kardinal-cli.arm64 --no-link --print-out-paths
          nix build ./#containers.x86_64-linux.kardinal-cli.amd64 --no-link --print-out-paths

      - name: Build Redis Sidecar images
        run: |
          nix build ./#containers.x86_64-linux.redis-proxy-overlay.arm64 --no-link --print-out-paths
          nix build ./#containers.x86_64-linux.redis-proxy-overlay.amd64 --no-link --print-out-paths

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Publish images
        if: github.ref == env.MAIN_BRANCH
        run: |
          nix run ./#publish-kardinal-manager-container
          nix run ./#publish-kardinal-cli-container
          nix run ./#publish-redis-proxy-overlay-container

  build_clis:
    name: Test and build cross-compiled clis
    needs: check_nix
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        os: [linux, darwin, windows]
        arch: [amd64, arm64]

    steps:
      - name: git checkout
        uses: actions/checkout@v3

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@main

      - name: Magic cache
        uses: DeterminateSystems/magic-nix-cache-action@main

      - name: Build cli
        run: |
          result=$(nix build ./#cross-compiled-cli.x86_64-linux.${{ matrix.os }}.${{ matrix.arch }} --no-link --print-out-paths)
          path=$(find $result -name 'kardinal.cli*' -type f | head -n 1)
          if [[ "${{ matrix.os }}" == "windows" ]]; then
            binout="/tmp/kardinal-${{ matrix.os }}-${{ matrix.arch }}.exe"
          else
            binout="/tmp/kardinal-${{ matrix.os }}-${{ matrix.arch }}"
          fi
          ls -lah $path
          ln -s $path $binout
          ls -lah $binout
          [ -s $binout ]