Move tooling classes to tooling/lib/tooling and use Gitlab::Json

Tooling isn't really part of the product, so having it under `tooling/`
makes more sense.
Signed-off-by: Rémy Coutable <remy@rymai.me>

lib/gitlab/danger/helper.rb

@@ -139,13 +139,13 @@ module Gitlab
         %r{\Arubocop/cop/migration(/|\.rb)} => :database,
 
         %r{\A(\.gitlab-ci\.yml\z|\.gitlab\/ci)} => :engineering_productivity,
+        %r{\A\.codeclimate\.yml\z} => :engineering_productivity,
         %r{\A\.overcommit\.yml\.example\z} => :engineering_productivity,
-        %r{\Atooling/overcommit/} => :engineering_productivity,
-        %r{\A.editorconfig\z} => :engineering_productivity,
+        %r{\A\.editorconfig\z} => :engineering_productivity,
         %r{Dangerfile\z} => :engineering_productivity,
         %r{\A(ee/)?(danger/|lib/gitlab/danger/)} => :engineering_productivity,
         %r{\A(ee/)?scripts/} => :engineering_productivity,
-        %r{\A\.codeclimate\.yml\z} => :engineering_productivity,
+        %r{\Atooling/} => :engineering_productivity,
 
         %r{\A(ee/)?app/(?!assets|views)[^/]+} => :backend,
         %r{\A(ee/)?(bin|config|generator_templates|lib|rubocop)/} => :backend,

scripts/review_apps/automated_cleanup.rb

 # frozen_string_literal: true
 
 require 'gitlab'
-require_relative File.expand_path('../../lib/quality/helm3_client.rb', __dir__)
-require_relative File.expand_path('../../lib/quality/kubernetes_client.rb', __dir__)
+require_relative File.expand_path('../../tooling/lib/tooling/helm3_client.rb', __dir__)
+require_relative File.expand_path('../../tooling/lib/tooling/kubernetes_client.rb', __dir__)
 
 class AutomatedCleanup
   attr_reader :project_path, :gitlab_token
@@ -44,11 +44,11 @@ class AutomatedCleanup
   end
 
   def helm
-    @helm ||= Quality::Helm3Client.new(namespace: review_apps_namespace)
+    @helm ||= Tooling::Helm3Client.new(namespace: review_apps_namespace)
   end
 
   def kubernetes
-    @kubernetes ||= Quality::KubernetesClient.new(namespace: review_apps_namespace)
+    @kubernetes ||= Tooling::KubernetesClient.new(namespace: review_apps_namespace)
   end
 
   def perform_gitlab_environment_cleanup!(days_for_stop:, days_for_delete:)
@@ -76,7 +76,7 @@ class AutomatedCleanup
       if deployed_at < delete_threshold
         deleted_environment = delete_environment(environment, deployment)
         if deleted_environment
-          release = Quality::Helm3Client::Release.new(environment.slug, 1, deployed_at.to_s, nil, nil, review_apps_namespace)
+          release = Tooling::Helm3Client::Release.new(environment.slug, 1, deployed_at.to_s, nil, nil, review_apps_namespace)
           releases_to_delete << release
         end
       else
@@ -157,11 +157,11 @@ class AutomatedCleanup
     helm.delete(release_name: releases_names)
     kubernetes.cleanup(release_name: releases_names, wait: false)
 
-  rescue Quality::Helm3Client::CommandFailedError => ex
+  rescue Tooling::Helm3Client::CommandFailedError => ex
     raise ex unless ignore_exception?(ex.message, IGNORED_HELM_ERRORS)
 
     puts "Ignoring the following Helm error:\n#{ex}\n"
-  rescue Quality::KubernetesClient::CommandFailedError => ex
+  rescue Tooling::KubernetesClient::CommandFailedError => ex
     raise ex unless ignore_exception?(ex.message, IGNORED_KUBERNETES_ERRORS)
 
     puts "Ignoring the following Kubernetes error:\n#{ex}\n"

spec/lib/quality/helm3_client_spec.rb → spec/tooling/lib/tooling/helm3_client_spec.rb

 # frozen_string_literal: true
 
-require 'fast_spec_helper'
+require_relative '../../../../tooling/lib/tooling/helm3_client'
 
-RSpec.describe Quality::Helm3Client do
+RSpec.describe Tooling::Helm3Client do
   let(:namespace) { 'review-apps' }
   let(:release_name) { 'my-release' }
   let(:raw_helm_list_page1) do

spec/lib/quality/kubernetes_client_spec.rb → spec/tooling/lib/tooling/kubernetes_client_spec.rb

 # frozen_string_literal: true
 
-require 'fast_spec_helper'
+require_relative '../../../../tooling/lib/tooling/kubernetes_client'
 
-RSpec.describe Quality::KubernetesClient do
+RSpec.describe Tooling::KubernetesClient do
   let(:namespace) { 'review-apps' }
   let(:release_name) { 'my-release' }
   let(:pod_for_release) { "pod-my-release-abcd" }

spec/tooling/lib/tooling/test_file_finder_spec.rb

@@ -3,7 +3,7 @@
 require_relative '../../../../tooling/lib/tooling/test_file_finder'
 
 RSpec.describe Tooling::TestFileFinder do
-  subject { Tooling::TestFileFinder.new(file) }
+  subject { described_class.new(file) }
 
   describe '#test_files' do
     context 'when given non .rb files' do

lib/quality/helm3_client.rb → tooling/lib/tooling/helm3_client.rb

 # frozen_string_literal: true
 
 require 'time'
-require_relative '../gitlab/popen' unless defined?(Gitlab::Popen)
+require 'json'
+require_relative '../../../lib/gitlab/popen' unless defined?(Gitlab::Popen)
+require_relative '../../../lib/gitlab/json' unless defined?(Gitlab::Json)
 
-module Quality
+module Tooling
   class Helm3Client
     CommandFailedError = Class.new(StandardError)
 
@@ -65,12 +67,12 @@ module Quality
         %(--output json),
         *args
       ]
-      releases = JSON.parse(run_command(command))
+      releases = Gitlab::Json.parse(run_command(command))
 
       releases.map do |release|
         Release.new(*release.values_at(*RELEASE_JSON_ATTRIBUTES))
       end
-    rescue JSON::ParserError => ex
+    rescue ::JSON::ParserError => ex
       puts "Ignoring this JSON parsing error: #{ex}" # rubocop:disable Rails/Output
       []
     end

lib/quality/kubernetes_client.rb → tooling/lib/tooling/kubernetes_client.rb

 # frozen_string_literal: true
 
-require_relative '../gitlab/popen' unless defined?(Gitlab::Popen)
+require_relative '../../../lib/gitlab/popen' unless defined?(Gitlab::Popen)
+require_relative '../../../lib/gitlab/json' unless defined?(Gitlab::JSON)
 
-module Quality
+module Tooling
   class KubernetesClient
     RESOURCE_LIST = 'ingress,svc,pdb,hpa,deploy,statefulset,job,pod,secret,configmap,pvc,secret,clusterrole,clusterrolebinding,role,rolebinding,sa,crd'
     CommandFailedError = Class.new(StandardError)