Leak memory, spin cpu and kill the process

app/controllers/chaos_controller.rb

 # frozen_string_literal: true
 class ChaosController < ActionController::Base
+  def leakmem
+    memory_mb = params[:memory_mb] ? params[:memory_mb].to_i : 100
+    retainer = []
+
+    memory_mb.times { retainer << "x" * (1024 * 1024) }
+    render text: "OK", content_type: 'text/plain'
+  end
+
+  def cpuspin
+    duration_s = params[:duration_s] ? params[:duration_s].to_i : 30
+    end_time = Time.now + duration_s.seconds;
+    while Time.now < end_time
+      10_000.times { }
+    end
+
+    render text: "OK", content_type: 'text/plain'
+  end
+
   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
+
+  def kill
+    Process.kill("KILL", Process.pid)
+  end
+
 end

config/routes.rb

@@ -83,7 +83,10 @@ Rails.application.routes.draw do
     draw :operations
     draw :instance_statistics
+    get '/chaos/leakmem' => 'chaos#leakmem'
+    get '/chaos/cpuspin' => 'chaos#cpuspin'
     get '/chaos/sleep' => 'chaos#sleep'
+    get '/chaos/kill' => 'chaos#kill'
   end
   draw :api