Test on Ruby 3.0 & use Buildkite caching

Use our native caching, remove the unused yard deps, and add Ruby 3.0 testing

Signed-off-by: Tim Smith <tsmith@chef.io>

.expeditor/run_linux_tests.sh

@@ -5,49 +5,11 @@
 set -ue
 
 export USER="root"
-
-echo "--- dependencies"
 export LANG=C.UTF-8 LANGUAGE=C.UTF-8
-S3_URL="s3://public-cd-buildkite-cache/${BUILDKITE_PIPELINE_SLUG}/${BUILDKITE_LABEL}"
-
-pull_s3_file() {
-    aws s3 cp "${S3_URL}/$1" "$1" || echo "Could not pull $1 from S3"
-}
-
-push_s3_file() {
-    if [ -f "$1" ]; then
-        aws s3 cp "$1" "${S3_URL}/$1" || echo "Could not push $1 to S3 for caching."
-    fi
-}
-
-apt-get update -y
-apt-get install awscli -y
 
 echo "--- bundle install"
-pull_s3_file "bundle.tar.gz"
-pull_s3_file "bundle.sha256"
-
-if [ -f bundle.tar.gz ]; then
-  tar -xzf bundle.tar.gz
-fi
-
-if [ -n "${RESET_BUNDLE_CACHE:-}" ]; then
-    rm bundle.sha256
-fi
-
 bundle config --local path vendor/bundle
 bundle install --jobs=7 --retry=3
 
-echo "--- bundle cache"
-if test -f bundle.sha256 && shasum --check bundle.sha256 --status; then
-    echo "Bundled gems have not changed. Skipping upload to s3"
-else
-    echo "Bundled gems have changed. Uploading to s3"
-    shasum -a 256 Gemfile.lock > bundle.sha256
-    tar -czf bundle.tar.gz vendor/
-    push_s3_file bundle.tar.gz
-    push_s3_file bundle.sha256
-fi
-
 echo "+++ bundle exec task"
-bundle exec $1
+bundle exec $@

.expeditor/verify.pipeline.yml

@@ -1,7 +1,12 @@
 ---
 expeditor:
+  cached_folders:
+    - vendor
   defaults:
     buildkite:
+      retry:
+        automatic:
+          limit: 1
       timeout_in_minutes: 30
 
 steps:
@@ -29,6 +34,7 @@ steps:
     executor:
       docker:
         image: ruby:2.6-buster
+
 - label: run-lint-and-specs-ruby-2.7
   command:
     - .expeditor/run_linux_tests.sh rake
@@ -37,9 +43,18 @@ steps:
       docker:
         image: ruby:2.7-buster
 
+- label: run-lint-and-specs-ruby-3.0
+  command:
+    - .expeditor/run_linux_tests.sh rake
+  expeditor:
+    executor:
+      docker:
+        image: ruby:3.0-buster
+
 - label: run-specs-windows
   command:
-    - bundle install --jobs=7 --retry=3 --without docs debug
+    - bundle config --local path vendor/bundle
+    - bundle install --jobs=7 --retry=3 --without debug
     - bundle exec rake style
     - bundle exec rake unit
   expeditor:

Gemfile

@@ -4,12 +4,6 @@ gemspec
 
 gem "chef-utils", "= 16.6.14" if RUBY_VERSION < "2.6.0"
 
-group :docs do
-  gem "github-markup"
-  gem "redcarpet"
-  gem "yard"
-end
-
 group :test do
   gem "rake"
   gem "rspec"
@@ -20,10 +14,9 @@ group :test do
   gem "climate_control"
 end
 
-if RUBY_VERSION =~ /^2/
-  group :chefstyle do
-    gem "chefstyle", "~> 0.4.0"
-  end
+# use old chefstyle to support TargetRubyVersion of 1.9
+group :chefstyle do
+  gem "chefstyle", "~> 0.4.0"
 end
 
 group :debug do

Rakefile

@@ -40,13 +40,6 @@ task "matrix" do
   end
 end
 
-begin
-  require "yard"
-  YARD::Rake::YardocTask.new(:docs)
-rescue LoadError
-  puts "yard is not available. bundle install first to make sure all dependencies are installed."
-end
-
 task :console do
   require "irb"
   require "irb/completion"