build_and_release_gem.yml

# Copyright (c) 2021 SolarWinds, LLC.
# All rights reserved.

name: BUILD, VERIFY, and RELEASE Ruby Gem to RubyGems

# This workflow relies on the following secrets
# - TRACE_BUILD_RUBY_ACTIONS_API_TOKEN (from the trace-build user in github)
# - RUBYGEMS_TOKEN (from the solarwinds-apm user on rubygems.org)
# - SW_APM_SERVICE_KEY
# - SW_APM_COLLECTOR
#
# The correct oboe version has to be in the file ext/oboe_metal/src/VERSION

on:
  workflow_dispatch:

jobs:
  build:
    name: Build + Release Gem to RubyGems
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Set up Ruby 2.7 and bundle
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 2.7

      - name: Install gems
        run: |
          echo 'gem: --no-document' >> ~/.gemrc
          bundle install --without development --without test

      - name: Install swig 4.0.2
        run: |
          apt udate && apt install -y --no-install-recommends bison
          curl -SL https://github.com/swig/swig/archive/refs/tags/v4.0.2.tar.gz | tar xzC /tmp
          cd /tmp/swig-4.0.2
          ./autogen.sh && ./configure && make && sudo make install
          cd -

      - name: Download files from files.appoptics.com and create swig wrapper
        env:
          TRACE_BUILD_TOKEN: ${{ secrets.TRACE_BUILD_RUBY_ACTIONS_API_TOKEN }}
        run: |
          bundle exec rake oboe_files_sw_apm_fetch
          bundle exec rake oboe_verify

      - name: Build Gem and upload to Rubygems
        id: build
        env:
          GEM_HOST_API_KEY: ${{ secrets.RUBYGEMS_TOKEN }}
        run:  |
          bundle exec rake build_and_publish_gem
          checksum=`shasum -a256 *.gem | awk '{print $1;}'`
          echo "checksum: $checksum"
          echo ::set-output name=checksum::$checksum
          echo ::set-output name=gem_version::`ruby -e 'require "./lib/solarwinds_apm/version"; puts SolarWindsAPM::Version::STRING'`

      - name: Get checksum from Rubygems
        id: checksum
        run: |
          gem_version=${{ steps.build.outputs.gem_version }}
          echo ::set-output name=geminfo::`curl https://rubygems.org/api/v2/rubygems/solarwinds_apm/versions/$gem_version.json`

      - name: Print checksums (in case some debugging is needed)
        run: |
          echo "local checksum:    ${{ steps.build.outputs.checksum }}"
          echo "Rubygems checksum: ${{ fromJson(steps.checksum.outputs.geminfo).sha }}"

      - name: Fail if local and rubygems checksums don't match
        if: fromJson(steps.checksum.outputs.geminfo).sha != steps.build.outputs.checksum
        run: |
          echo "local and rubygems checksum not matching, gem needs to be yanked from rubygems.org"
          exit 1

      - name: Create release draft that includes the checksum
        uses: actions/github-script@v3
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            github.repos.createRelease({
              owner: "solarwinds-apm",
              repo: "appoptics-apm-ruby",
              body: "SHA256 checksum: ${{ steps.build.outputs.checksum }}",
              tag_name: "${{ steps.build.outputs.gem_version }}",
              name: "${{ steps.build.outputs.gem_version }}",
              draft: true
            })

      # may need a bit of time for the gem to become available (sleep 1)
      - name: Download new Rubygem from rubygems.org and test
        working-directory: .github/workflows/
        env:
          SW_APM_SERVICE_KEY: ${{ secrets.APPOPTICS_SERVICE_KEY }}
          SW_APM_COLLECTOR: ${{ secrets.APPOPTICS_COLLECTOR}}
        run: |
          sleep 1
          gem install solarwinds_apm --version ${{ steps.build.outputs.gem_version }}
          ruby ./scripts/test_install.rb