main.yaml

name: ci

on:
  pull_request:
  push:
    branches:
      - master
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup ruby and install deps
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 3.1
          bundler-cache: true
          bundler: default

      - name: Run lint
        run: bundle exec rubocop

      - name: Build plugin
        run: bundle exec rake build

      - name: Run tests
        run: bundle exec rake test

      - name: Capture version
        run: echo "VERSION=$(cat VERSION)" >> $GITHUB_ENV

      - name: Verify tag version matchs VERSION file
        # Only run this test when run on a tag
        if: startsWith(github.ref, 'refs/tags/v')
        # Fail if the tag name does not match the version in the VERSION file.
        run: test "${{ github.ref }}" == "refs/tags/v${{ env.VERSION }}"

      - name: Login to Docker Hub
        if: startsWith(github.ref, 'refs/tags/v')
        uses: docker/login-action@v2
        with:
          username: scalyr
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build Docker Image
        uses: docker/build-push-action@v4
        with:
          # set push to true when a tag is created
          push: ${{ startsWith(github.ref, 'refs/tags/v') }}
          file: docker/Dockerfile
          context: .
          tags: |
            scalyr/fluentd:latest
            scalyr/fluentd:${{ env.VERSION }}

      - name: Write RubyGems Credentials to a file
        if: startsWith(github.ref, 'refs/tags/v')
        run: ./scripts/set-up-rubygems-credentials.sh
        env:
          RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}

      - name: Publish package to RubyGems
        if: startsWith(github.ref, 'refs/tags/v')
        run: gem push pkg/fluent-plugin-scalyr-${{ env.VERSION }}.gem