Fixing the broken build with style fixes

app/controllers/chaos_controller.rb

@@ -13,10 +13,8 @@ class ChaosController < ActionController::Base
 
   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
+    end_time = Time.now + duration_s.seconds
+    10_000.times { } while Time.now < end_time
 
     render text: "OK", content_type: 'text/plain'
   end
@@ -41,5 +39,4 @@ class ChaosController < ActionController::Base
       render text: "To experience chaos, please set X-Chaos-Secret header", content_type: 'text/plain', status: 401
     end
   end
-
 end

changelogs/unreleased/52767-more-chaos-for-gitlab.yml

+---
+title: Add endpoints for simulating certain failure modes in the application
+merge_request: 22746
+author:
+type: other

doc/development/chaos_endpoints.md

@@ -41,7 +41,7 @@ To simulate a memory leak in your application, use the `/-/chaos/leakmem` endpoi
 For example, if your GitLab instance is listening at `localhost:3000`, you could `curl` the endpoint as follows:
 
 ```shell
-curl http://localhost:3000/-/chaos/leakmem?memory_mb=1024 -H 'X-Chaos-Secret: secret'
+curl http://localhost:3000/-/chaos/leakmem?memory_mb=1024 --header 'X-Chaos-Secret: secret'
 ```
 
 The `memory_mb` parameter tells the application how much memory it should leak.
@@ -53,7 +53,7 @@ Note: the memory is not retained after the request, so once its completed, the R
 This endpoint attempts to fully utilise a single core, at 100%, for the given period.
 
 ```shell
-curl http://localhost:3000/-/chaos/cpuspin?duration_s=60 -H 'X-Chaos-Secret: secret'
+curl http://localhost:3000/-/chaos/cpuspin?duration_s=60 --header 'X-Chaos-Secret: secret'
 ```
 
 The `duration_s` parameter will configure how long the core is utilised.
@@ -65,7 +65,7 @@ Depending on your rack server setup, your request may timeout after a predermine
 This endpoint is similar to the CPU Spin endpoint but simulates off-processor activity, such backend services of IO. It will sleep for a given duration.
 
 ```shell
-curl http://localhost:3000/-/chaos/sleep?duration_s=60 -H 'X-Chaos-Secret: secret'
+curl http://localhost:3000/-/chaos/sleep?duration_s=60 --header 'X-Chaos-Secret: secret'
 ```
 
 The `duration_s` parameter will configure how long the request will sleep for.
@@ -77,7 +77,7 @@ As with the CPU Spin endpoint, this may lead to your request timing out if durat
 This endpoint will simulate the unexpected death of a worker process using a `kill` signal.
 
 ```shell
-curl http://localhost:3000/-/chaos/kill -H 'X-Chaos-Secret: secret'
+curl http://localhost:3000/-/chaos/kill --header 'X-Chaos-Secret: secret'
 ```
 
 Note: since this endpoint uses the `KILL` signal, the worker is not given a chance to cleanup or shutdown.