main.yml

name: main

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - "*"
  workflow_dispatch: {}

jobs:
  test:
    name: OTP ${{matrix.otp}} - rebar3 ${{matrix.rebar3}}
    strategy:
      matrix:
        otp: ['28', '27', '26']
        rebar3: ['3.27']
    runs-on: 'ubuntu-24.04'
    steps:
      - uses: actions/checkout@v6
      - uses: erlef/setup-beam@v1
        with:
          otp-version: ${{matrix.otp}}
          rebar3-version: ${{matrix.rebar3}}
      - run: rebar3 compile
      - run: rebar3 fmt --check
        if: ${{ matrix.otp == '28' }}
      - run: rebar3 lint
      - run: rebar3 xref
      - run: rebar3 dialyzer
      - run: rebar3 eunit
      - run: rebar3 ex_doc
      - run: rebar3 do cover, covertool generate
        if: ${{ matrix.otp == '28' }}
      - name: Upload code coverage
        uses: codecov/codecov-action@v5
        if: ${{ matrix.otp == '28' }}
        with:
          files: _build/test/covertool/prometheus.covertool.xml
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: true
          verbose: true

  promtool:
    name: promtool
    runs-on: 'ubuntu-24.04'
    steps:
      - uses: actions/setup-go@v6
        with:
          go-version: 'stable'
      - run: |
          # Fetch latest version
          TAG=$(curl -s https://api.github.com/repos/prometheus/prometheus/releases | jq -r '.[] | .tag_name' | head -n 1)
          echo $TAG
          # Remove the `v` prefix
          VERSION=$(echo $TAG | sed 's/v//')
          echo $VERSION
          # Check CPU architecture
          ARCH=$(uname -s | tr A-Z a-z)-$(uname -m | sed 's/x86_64/amd64/')
          echo $ARCH
          # Download the release
          curl -L -O https://github.com/prometheus/prometheus/releases/download/$TAG/prometheus-$VERSION.$ARCH.tar.gz
          # Extract the file
          tar -xvzf prometheus-$VERSION.$ARCH.tar.gz
          # Move promtool
          mv prometheus-$VERSION.$ARCH/promtool /usr/local/bin
          # Verify if promtool is installed
          promtool --version
          # Delete downloaded files
          rm -rf prometheus-$VERSION.$ARCH
          rm -rf prometheus-$VERSION.$ARCH.tar.gz
      - uses: actions/checkout@v6
      - uses: erlef/setup-beam@v1
        with:
          otp-version: '28'
          rebar3-version: '3.27'
      - run: rebar3 compile
      - run: |
          set -e
          set -o pipefail
          erl -pa _build/default/lib/prometheus/ebin -pa _build/default/lib/ddskerl/ebin -noshell -eval '{ok, _} = application:ensure_all_started(prometheus), ok = io:format(standard_io, "~s~n", [prometheus_text_format:format()]), halt().' | promtool check metrics