---
name: CI
on:
  pull_request:
  push:
jobs:
  test_go:
    name: Go tests
    runs-on: ubuntu-latest
    # Whenever the Go version is updated here, .promu.yml
    # should also be updated.
    container:
      image: quay.io/prometheus/golang-builder:1.19-base
    steps:
      - uses: actions/checkout@v3
      - uses: prometheus/promci@v0.0.2
      - uses: ./.github/promci/actions/setup_environment
      - run: make GO_ONLY=1 SKIP_GOLANGCI_LINT=1
      - run: go test ./tsdb/ -test.tsdb-isolation=false
      - run: go test --tags=stringlabels ./...
      - run: GOARCH=386 go test ./cmd/prometheus
      - run: make -C documentation/examples/remote_storage
      - run: make -C documentation/examples
      - uses: ./.github/promci/actions/check_proto
        with:
          version: "3.15.8"

  test_windows:
    name: Go tests on Windows
    runs-on: windows-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-go@v3
        with:
          go-version: '>=1.19 <1.20'
      - run: |
          $TestTargets = go list ./... | Where-Object { $_ -NotMatch "(github.com/prometheus/prometheus/discovery.*|github.com/prometheus/prometheus/config|github.com/prometheus/prometheus/web)"}
          go test $TestTargets -vet=off -v
        shell: powershell

  test_golang_oldest:
    name: Go tests with previous Go version
    runs-on: ubuntu-latest
    # The go verson in this image should be N-1 wrt test_go.
    container:
      image: quay.io/prometheus/golang-builder:1.18-base
    steps:
      - uses: actions/checkout@v3
      - run: make build
      - run: go test ./tsdb/...
      - run: go test ./tsdb/ -test.tsdb-isolation=false

  test_mixins:
    name: Mixins tests
    runs-on: ubuntu-latest
    # Whenever the Go version is updated here, .promu.yml
    # should also be updated.
    container:
      image: quay.io/prometheus/golang-builder:1.19-base
    steps:
      - uses: actions/checkout@v3
      - run: go install ./cmd/promtool/.
      - run: go install github.com/google/go-jsonnet/cmd/jsonnet@latest
      - run: go install github.com/google/go-jsonnet/cmd/jsonnetfmt@latest
      - run: go install github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb@latest
      - run: make -C documentation/prometheus-mixin clean
      - run: make -C documentation/prometheus-mixin jb_install
      - run: make -C documentation/prometheus-mixin
      - run: git diff --exit-code

  build:
    name: Build Prometheus for common architectures
    runs-on: ubuntu-latest
    if: |
      !(github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v2.'))
      &&
      !(github.event_name == 'pull_request' && startsWith(github.event.pull_request.base.ref, 'release-'))
      &&
      !(github.event_name == 'push' && github.event.ref == 'refs/heads/main')
    strategy:
      matrix:
        thread: [ 0, 1, 2 ]
    steps:
      - uses: actions/checkout@v3
      - uses: prometheus/promci@v0.0.2
      - uses: ./.github/promci/actions/build
        with:
          promu_opts: "-p linux/amd64 -p windows/amd64 -p linux/arm64 -p darwin/amd64 -p darwin/arm64 -p linux/386"
          parallelism: 3
          thread: ${{ matrix.thread }}
  build_all:
    name: Build Prometheus for all architectures
    runs-on: ubuntu-latest
    if: |
      (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v2.'))
      ||
      (github.event_name == 'pull_request' && startsWith(github.event.pull_request.base.ref, 'release-'))
      ||
      (github.event_name == 'push' && github.event.ref == 'refs/heads/main')
    strategy:
      matrix:
        thread: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 ]

    # Whenever the Go version is updated here, .promu.yml
    # should also be updated.
    steps:
      - uses: actions/checkout@v3
      - uses: prometheus/promci@v0.0.2
      - uses: ./.github/promci/actions/build
        with:
          parallelism: 12
          thread: ${{ matrix.thread }}
  golangci:
    name: golangci-lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Install Go
        uses: actions/setup-go@v3
        with:
          go-version: 1.20.x
      - name: Install snmp_exporter/generator dependencies
        run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
        if: github.repository == 'prometheus/snmp_exporter'
      - name: Lint
        uses: golangci/golangci-lint-action@v3.4.0
        with:
          version: v1.51.2
  fuzzing:
    uses: ./.github/workflows/fuzzing.yml
    if: github.event_name == 'pull_request'
  codeql:
    uses: ./.github/workflows/codeql-analysis.yml

  publish_main:
    name: Publish main branch artifacts
    runs-on: ubuntu-latest
    needs: [test_go, test_windows, golangci, codeql, build_all]
    if: github.event_name == 'push' && github.event.ref == 'refs/heads/main'
    steps:
      - uses: actions/checkout@v3
      - uses: prometheus/promci@v0.0.2
      - uses: ./.github/promci/actions/publish_main
        with:
          docker_hub_login: ${{ secrets.docker_hub_login }}
          docker_hub_password: ${{ secrets.docker_hub_password }}
          quay_io_login: ${{ secrets.quay_io_login }}
          quay_io_password: ${{ secrets.quay_io_password }}
  publish_release:
    name: Publish release arfefacts
    runs-on: ubuntu-latest
    needs: [test_go, test_windows, golangci, codeql, build_all]
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v2.')
    steps:
      - uses: actions/checkout@v3
      - uses: prometheus/promci@v0.0.2
      - uses: ./.github/promci/actions/publish_release
        with:
          docker_hub_login: ${{ secrets.docker_hub_login }}
          docker_hub_password: ${{ secrets.docker_hub_password }}
          quay_io_login: ${{ secrets.quay_io_login }}
          quay_io_password: ${{ secrets.quay_io_password }}
          github_token: ${{ secrets.PROMBOT_GITHUB_TOKEN }}
