ci.yaml

name: CI

on: [push, pull_request]

jobs:
  check:
    name: Check
    runs-on: ubuntu-latest
    # TODO: Consider moving this to a separate job to prevent parallel execution
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v6
        with:
          version: v1.60

  unit-test:
    name: Unit test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
      - run: make ci-test
      # - uses: codecov/codecov-action@v3.1.1
      #   with:
      #     token: ${{ secrets.CODECOV_UPLOAD_TOKEN }}
      #     file: ./.test_coverage.txt
      #     fail_ci_if_error: false

  helm-chart-test:
    name: Helm chart test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
      - name: Execute tests
        env:
          HELM_VERSION: v3.6.3
        run: |
          # Get dependencies.
          echo "Getting dependencies..."
          curl -L https://get.helm.sh/helm-${HELM_VERSION}-linux-amd64.tar.gz | tar -xz && mv ./linux-amd64/helm /usr/local/bin &&  chmod +x /usr/local/bin/helm
          make ci-helm-test

  integration-test-cli:
    name: Integration test CLI
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
      - name: Execute tests
        run: |
          # Build binary.
          echo "Building binary..."
          make ci-build
          sudo mv ./bin/sloth /usr/local/bin/

          # Execute integration tests.
          echo "Executing integration tests..."
          make ci-integration-cli

  integration-test-k8s:
    name: Integration test Kubernetes
    runs-on: ubuntu-latest
    strategy:
      matrix:
        kubernetes: [1.21.14, 1.22.17, 1.23.13, 1.24.17, 1.25.2, 1.26.14, 1.27.13, 1.28.13, 1.29.8, 1.30.4, 1.31.0]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
      - name: Execute tests
        env:
          KIND_VERSION: v0.16.0
        run: |
          # Get dependencies.
          echo "Getting dependencies..."
          curl -Lo kind https://github.com/kubernetes-sigs/kind/releases/download/${KIND_VERSION}/kind-linux-amd64 && chmod +x kind && sudo mv kind /usr/local/bin/
          curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/v${{ matrix.kubernetes }}/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/

          # Start cluster.
          echo "Starting ${{ matrix.kubernetes }} Kubernetes cluster..."
          kind create cluster --image kindest/node:v${{ matrix.kubernetes }}
          kind get kubeconfig > /tmp/test.kubeconfig

          # Register CRDs.
          kubectl apply -f ./pkg/kubernetes/gen/crd/
          kubectl apply -f ./test/integration/crd

          # Build binary.
          echo "Building binary..."
          make ci-build
          sudo mv ./bin/sloth /usr/local/bin/

          # Execute integration tests.
          echo "Executing integration tests..."
          export SLOTH_INTEGRATION_KUBE_CONFIG=/tmp/test.kubeconfig
          make ci-integration-k8s

  rolling-release-images:
    # Only on main branch.
    if: startsWith(github.ref, 'refs/heads/main')
    env:
      TAG_IMAGE_LATEST: "true"
      PROD_IMAGE_NAME: ghcr.io/${GITHUB_REPOSITORY}
      VERSION: ${GITHUB_SHA}
    needs: [check, unit-test, integration-test-cli, integration-test-k8s, helm-chart-test]
    name: Release images
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Docker login
        run: docker login ghcr.io -u ${{ github.actor }} -p "${{ secrets.GITHUB_TOKEN }}"
      - name: Build and publish docker images
        run: make build-publish-image-all

  tagged-release-images:
    # Only on tags.
    if: startsWith(github.ref, 'refs/tags/')
    env:
      PROD_IMAGE_NAME: ghcr.io/${GITHUB_REPOSITORY}
    needs: [check, unit-test, integration-test-cli, integration-test-k8s, helm-chart-test]
    name: Tagged release images
    runs-on: ubuntu-latest
    steps:
      - run: echo "VERSION=${GITHUB_REF#refs/*/}" >> ${GITHUB_ENV} # Sets VERSION env var.
      - uses: actions/checkout@v4
      - name: Docker login
        run: docker login ghcr.io -u ${{ github.actor }} -p "${{ secrets.GITHUB_TOKEN }}"
      - name: Build and publish docker images
        run: make build-publish-image-all

  tagged-release-binaries:
    # Only on tags.
    if: startsWith(github.ref, 'refs/tags/')
    needs: [check, unit-test, integration-test-cli, integration-test-k8s, helm-chart-test]
    name: Tagged release binaries
    runs-on: ubuntu-latest
    steps:
      - run: echo "VERSION=${GITHUB_REF#refs/*/}" >> ${GITHUB_ENV} # Sets VERSION env var.
      - uses: actions/checkout@v4
      - name: Build binaries
        run: |
          mkdir -p ./bin
          chmod -R 0777 ./bin
          make build-all
      - name: Upload binaries
        uses: xresloader/upload-to-github-release@v1.3.9
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          file: "bin/*"
          tags: true
          draft: true