Adding chaos to GitLab through chaos endpoints

app/controllers/chaos_controller.rb

+# frozen_string_literal: true
+
+class ChaosController < ActionController::Base
+  def sleep
+    duration_s = params[:duration_s] ? params[:duration_s].to_i : 30
+    Kernel.sleep duration_s
+    render text: "OK", content_type: 'text/plain'
+  end
+end

config/routes.rb

@@ -82,6 +82,8 @@ Rails.application.routes.draw do
 
     draw :operations
     draw :instance_statistics
+
+    get '/chaos/sleep' => 'chaos#sleep'
   end
 
   draw :api