Use GitHub Actions for CI

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: CI
+
+on:  # yamllint disable-line rule:truthy
+  pull_request:
+  push:
+    branches:
+      - master
+
+
+concurrency:
+  group: ${{ github.ref_name }}-${{ github.workflow }}
+  cancel-in-progress: true
+
+jobs:
+  rubocop:
+    name: Rubocop
+    uses: theforeman/actions/.github/workflows/rubocop.yml@v0
+
+  test:
+    name: Tests
+    needs: rubocop
+    uses: theforeman/actions/.github/workflows/smart_proxy_plugin.yml@v0

.rubocop.yml

@@ -4,7 +4,6 @@ require:
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 2.5
   Exclude:
     - 'extra/**/*.rb'
     - 'vendor/**/*'

Gemfile

@@ -10,12 +10,11 @@ group :rubocop do
 end
 
 group :test do
-  gem 'ci_reporter_test_unit'
   gem 'concurrent-ruby', '~> 1.0', require: 'concurrent'
   gem 'mocha'
   gem 'rack-test'
   gem 'rake'
   gem 'rsec', '< 1'
-  gem 'smart_proxy', :github => 'theforeman/smart-proxy', :branch => 'develop'
+  gem 'smart_proxy', :github => 'theforeman/smart-proxy', :branch => ENV.fetch('SMART_PROXY_BRANCH', 'develop')
   gem 'test-unit'
 end

Rakefile

@@ -1,11 +1,13 @@
 # frozen_string_literal: true
 
-require 'ci/reporter/rake/test_unit'
 require 'rake'
 require 'rake/testtask'
+require 'rubocop/rake_task'
+
+RuboCop::RakeTask.new
 
 desc 'Default: run unit tests.'
-task :default => :test
+task :default => %i[rubocop test]
 
 desc 'Test the Foreman Proxy plugin.'
 Rake::TestTask.new(:test) do |t|
@@ -15,8 +17,3 @@ Rake::TestTask.new(:test) do |t|
   t.test_files = FileList['test/**/*_test.rb']
   t.verbose = true
 end
-
-namespace :jenkins do
-  desc nil # No description means it's not listed in rake -T
-  task :unit => ['ci:setup:testunit', :test]
-end

smart_proxy_dhcp_remote_isc.gemspec

@@ -5,16 +5,19 @@ require File.expand_path('lib/smart_proxy_dhcp_remote_isc/version', __dir__)
 Gem::Specification.new do |s|
   s.name        = 'smart_proxy_dhcp_remote_isc'
   s.version     = Proxy::DHCP::RemoteISC::VERSION
-  s.license     = 'GPL-3.0'
+  s.license     = 'GPL-3.0-only'
   s.authors     = ['Dmitri Dolguikh']
   s.email       = ['dmitri@appliedlogic.ca']
   s.homepage    = 'https://github.com/theforeman/smart_proxy_dhcp_remote_isc'
 
   s.summary     = "Smart-Proxy dhcp module provider for NFS-accessible ISC dhcpd installations"
-  s.description = "Smart-Proxy dhcp module provider for NFS-accessible ISC dhcpd installations"
+  s.description = <<~DESC
+    For integration with ISC dhcpd by providing the configuration and leases
+    over networked storage like NFS.
+  DESC
 
   s.files       = Dir['{config,lib,bundler.d}/**/*'] + ['README.md', 'LICENSE']
   s.test_files  = Dir['test/**/*']
 
-  s.required_ruby_version = '>= 2.5'
+  s.required_ruby_version = '>= 2.7'
 end