Replace Travis CI with GitHub workflow

.github/workflows/test.yml

@@ -0,0 +1,38 @@
+name: Test
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  kitchen:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        suite: [ "default-debian-11", "default-debian-11" ]
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ruby # latest stable release
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+    - name: Run Test Kitchen suite ${{ matrix.suite }}
+      run: bundle exec rake kitchen:${{ matrix.suite }}
+  style:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ruby # latest stable release
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+    - name: Run style checks
+      run: bundle exec rake style:ruby

.kitchen.yml

@@ -2,9 +2,13 @@
 driver:
   name: dokken
   privileged: true # allows systemd services to start
+  chef_image: cincproject/cinc
+  chef_version: <%= ENV.fetch('CHEF_VERSION', 18) %>
 
 provisioner:
   name: dokken
+  product_name: cinc
+  chef_binary: /opt/cinc/bin/cinc-client
   deprecations_as_errors: true
   multiple_converge: 2
   enforce_idempotency: true
@@ -25,9 +29,9 @@ platforms:
       intermediate_instructions:
         - RUN /usr/bin/apt-get update
         - RUN /usr/bin/apt-get upgrade -y
-  - name: debian-10
+  - name: debian-12
     driver:
-      image: dokken/debian-10
+      image: dokken/debian-12
       pid_one_command: /bin/systemd
       intermediate_instructions:
         - RUN /usr/bin/apt-get update

.rubocop.yml

@@ -0,0 +1,19 @@
+AllCops:
+  NewCops: enable
+
+Style/FrozenStringLiteralComment:
+  Enabled: false
+
+Style/PercentLiteralDelimiters:
+  PreferredDelimiters:
+    "%i": "()"
+    "%w": "()"
+
+Style/TrailingCommaInArrayLiteral:
+  EnforcedStyleForMultiline: consistent_comma
+
+Style/TrailingCommaInArguments:
+  EnforcedStyleForMultiline: consistent_comma
+
+Style/TrailingCommaInHashLiteral:
+  EnforcedStyleForMultiline: consistent_comma

Gemfile

@@ -1,15 +1,10 @@
 source 'https://rubygems.org'
 
-group :development do
-  gem 'chef', '~> 16'
-  gem 'rake'
-end
-
-group :style do
-  gem 'cookstyle'
-end
+gem 'rake'
 
 group :test do
+  gem 'berkshelf' # needed by test-kitchen
+  gem 'cookstyle'
   gem 'kitchen-dokken'
   gem 'kitchen-inspec'
   gem 'test-kitchen'