name: Go

on:
  push:
    branches: [main]
    paths-ignore: ['**.md', '**/docs/**']
  pull_request:
    branches: [main]
    paths-ignore: ['**.md', '**/docs/**']

jobs:
  lint:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v5
      - name: Free Disk Space
        uses: jlumbroso/free-disk-space@main
        with:
          tool-cache: true
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: false
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
      - name: check disk usage
        run: df -h
      - uses: golangci/golangci-lint-action@v9
        with:
          version: v2.6.2

  tests:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        helm-version: [v3.18.6, v3.19.2, v4.0.0]
    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0
      - name: Free Disk Space
        uses: jlumbroso/free-disk-space@main
        with:
          tool-cache: true
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: false
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
      - name: check disk usage
        run: df -h
      - uses: azure/setup-helm@v4.3.1
        with:
          version: ${{ matrix.helm-version }}
      - name: Build
        run: make build build-test-tools
      - name: Test
        run: make check test
        env:
          HELMFILE_HELM4: ${{ startsWith(matrix.helm-version, 'v4') && '1' || '0' }}
      - name: Archive built binaries
        if: matrix.helm-version == 'v4.0.0'
        run: tar -cvf built-binaries.tar helmfile diff-yamls dyff
      - uses: actions/upload-artifact@v5
        if: matrix.helm-version == 'v4.0.0'
        with:
          name: built-binaries-${{ github.run_id }}
          path: built-binaries.tar
          retention-days: 1
      - name: Display built binaries
        if: matrix.helm-version == 'v4.0.0'
        run: ls -l helmfile diff-yamls dyff

  integration_tests:
    needs: tests
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          # Helm maintains the latest minor version only and therefore each Helmfile version supports 2 Helm minor versions.
          # That's why we cover only 2 Helm minor versions in this matrix.
          # See https://github.com/helmfile/helmfile/pull/286#issuecomment-1250161182 for more context.
          # We assume that the helm-secrets plugin is supposed to
          # work with the two most recent helm minor versions.
          # Once it turned out to be not practically true,
          # we will mark this combination as failable,
          # and instruct users to upgrade helm and helm-secrets at once.
          - helm-version: v3.18.6
            kustomize-version: v5.8.0
            plugin-secrets-version: 4.7.0
            plugin-diff-version: 3.14.0
            extra-helmfile-flags: ''
          # In case you need to test some optional helmfile features,
          # enable it via extra-helmfile-flags below.
          - helm-version: v3.18.6
            kustomize-version: v5.8.0
            plugin-secrets-version: 4.7.0
            plugin-diff-version: 3.14.0
            extra-helmfile-flags: '--enable-live-output'
          - helm-version: v3.19.2
            kustomize-version: v5.8.0
            plugin-secrets-version: 4.7.0
            plugin-diff-version: 3.14.0
            extra-helmfile-flags: ''
          - helm-version: v3.19.2
            kustomize-version: v5.8.0
            plugin-secrets-version: 4.7.0
            plugin-diff-version: 3.14.0
            extra-helmfile-flags: '--enable-live-output'
          # Helmfile now supports both Helm 3.x and Helm 4.x
          - helm-version: v4.0.0
            kustomize-version: v5.8.0
            plugin-secrets-version: 4.7.0
            plugin-diff-version: 3.14.0
            extra-helmfile-flags: ''
          - helm-version: v4.0.0
            kustomize-version: v5.8.0
            plugin-secrets-version: 4.7.0
            plugin-diff-version: 3.14.0
            extra-helmfile-flags: '--enable-live-output'
    steps:
      - uses: actions/checkout@v5
      - name: Free Disk Space
        uses: jlumbroso/free-disk-space@main
        with:
          tool-cache: true
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: false
      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod
      - name: check disk usage
        run: df -h
      - uses: actions/download-artifact@v6
        with:
          name: built-binaries-${{ github.run_id }}
      - name: install semver
        run: go install github.com/ffurrer2/semver/v2/cmd/semver@latest
      - name: Extract tar to get built binaries
        run: tar -xvf built-binaries.tar
      - name: Display built binaries
        run: ls -l helmfile diff-yamls dyff

      - name: Install test dependencies
        env:
          HELM_VERSION: ${{ matrix.helm-version }}
          KUSTOMIZE_VERSION: ${{ matrix.kustomize-version }}
        run: make -C .github/workflows helm vault sops kustomize
      - name: Start minikube
        uses: medyagh/setup-minikube@latest
        with:
          kubernetes-version: v1.34.0
      - name: Execute integration tests
        run: make integration
        env:
          HELM_SECRETS_VERSION: ${{ matrix.plugin-secrets-version }}
          HELM_DIFF_VERSION: ${{ matrix.plugin-diff-version }}
          HELMFILE_HELM4: ${{ startsWith(matrix.helm-version, 'v4') && '1' || '0' }}
          TERM: xterm
          EXTRA_HELMFILE_FLAGS: ${{ matrix.extra-helmfile-flags }}

  e2e_tests:
    needs: tests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0
      - uses: actions/download-artifact@v6
        with:
          name: built-binaries-${{ github.run_id }}
      - name: Extract tar to get built binaries
        run: tar -xvf built-binaries.tar
      - name: Display built binaries
        run: ls -l helmfile diff-yamls dyff
      - name: Install package
        run: sudo apt-get -y install expect
      - name: Run helmfile init
        run: bash test/e2e/helmfile-init/init_linux.sh
        env:
          TERM: xterm