From 82cce18227419a55a12e34652a944fd612a86891 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Sat, 3 Apr 2021 02:39:04 +0200
Subject: [PATCH] Change health check (#15988)

---
 Gemfile                              | 1 -
 Gemfile.lock                         | 9 ---------
 app/controllers/health_controller.rb | 7 +++++++
 config/initializers/health_check.rb  | 8 --------
 config/routes.rb                     | 2 +-
 5 files changed, 8 insertions(+), 19 deletions(-)
 create mode 100644 app/controllers/health_controller.rb
 delete mode 100644 config/initializers/health_check.rb

diff --git a/Gemfile b/Gemfile
index 880bb8b517..a813e82f29 100644
--- a/Gemfile
+++ b/Gemfile
@@ -54,7 +54,6 @@ gem 'fast_blank', '~> 1.0'
 gem 'fastimage'
 gem 'hiredis', '~> 0.6'
 gem 'redis-namespace', '~> 1.8'
-gem 'health_check', git: 'https://github.com/ianheggie/health_check', ref: '0b799ead604f900ed50685e9b2d469cd2befba5b'
 gem 'htmlentities', '~> 4.3'
 gem 'http', '~> 4.4'
 gem 'http_accept_language', '~> 2.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index aa2fdd5288..1768dd2533 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,14 +21,6 @@ GIT
       sidekiq (>= 3.5)
       statsd-ruby (~> 1.4, >= 1.4.0)
 
-GIT
-  remote: https://github.com/ianheggie/health_check
-  revision: 0b799ead604f900ed50685e9b2d469cd2befba5b
-  ref: 0b799ead604f900ed50685e9b2d469cd2befba5b
-  specs:
-    health_check (4.0.0.pre)
-      rails (>= 4.0)
-
 GIT
   remote: https://github.com/nsommer/pluck_each
   revision: 73be0947c52fc54bf6d7085378db008358aac5eb
@@ -755,7 +747,6 @@ DEPENDENCIES
   fog-openstack (~> 0.3)
   fuubar (~> 2.5)
   hamlit-rails (~> 0.2)
-  health_check!
   hiredis (~> 0.6)
   htmlentities (~> 4.3)
   http (~> 4.4)
diff --git a/app/controllers/health_controller.rb b/app/controllers/health_controller.rb
new file mode 100644
index 0000000000..2a22a05570
--- /dev/null
+++ b/app/controllers/health_controller.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class HealthController < ActionController::Base
+  def show
+    render plain: 'OK'
+  end
+end
diff --git a/config/initializers/health_check.rb b/config/initializers/health_check.rb
deleted file mode 100644
index 6f1e78fed9..0000000000
--- a/config/initializers/health_check.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-HealthCheck.setup do |config|
-  config.uri = 'health'
-
-  config.standard_checks = %w(database migrations cache)
-  config.full_checks = %w(database migrations cache)
-  
-  config.include_error_in_response_body = false
-end
diff --git a/config/routes.rb b/config/routes.rb
index 780a52b0ce..fa1138868e 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -10,7 +10,7 @@ Rails.application.routes.draw do
 
   mount LetterOpenerWeb::Engine, at: 'letter_opener' if Rails.env.development?
 
-  health_check_routes
+  get 'health', to: 'health#show'
 
   authenticate :user, lambda { |u| u.admin? } do
     mount Sidekiq::Web, at: 'sidekiq', as: :sidekiq