From ae4cc7aa3085faab82d65aab0dd49ed3d0111812 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mar=C3=ADa=20A=2E=20Matienzo?= <matienzo@berkeley.edu>
Date: Wed, 3 Dec 2025 16:48:42 -0800
Subject: [PATCH] AP-520: convert healthcheck to okcomputer

---
 Gemfile                            |  2 +-
 Gemfile.lock                       |  7 +++----
 config/initializers/healthcheck.rb | 15 ---------------
 config/initializers/okcomputer.rb  |  5 +++++
 config/routes.rb                   |  2 +-
 lib/tasks/health.rake              |  9 ---------
 6 files changed, 10 insertions(+), 30 deletions(-)
 delete mode 100644 config/initializers/healthcheck.rb
 create mode 100644 config/initializers/okcomputer.rb
 delete mode 100644 lib/tasks/health.rake

diff --git a/Gemfile b/Gemfile
index 2d86b82..0303b16 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,10 +15,10 @@ gem 'jquery-rails', '~> 4.4'
 gem 'lograge', '~> 0.11'
 gem 'mysql2', '~> 0.5.4'
 gem 'nokogiri', '~> 1.18'
+gem 'okcomputer', '~> 1.19'
 gem 'ougai', '~> 1.8'
 gem 'puma', '~> 6.6.1'
 gem 'rails', '~> 8.0.0'
-gem 'rails-healthcheck'
 gem 'rake'
 gem 'sass-rails', '>= 6'
 gem 'webpacker', '~> 5.4.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index c9ac258..8fddd33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -193,6 +193,8 @@ GEM
     oj (3.16.12)
       bigdecimal (>= 3.0)
       ostruct (>= 0.2)
+    okcomputer (1.19.1)
+      benchmark
     ostruct (0.6.3)
     ougai (1.9.1)
       oj (~> 3.10)
@@ -239,9 +241,6 @@ GEM
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-healthcheck (1.4.0)
-      actionpack
-      railties
     rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
@@ -408,10 +407,10 @@ DEPENDENCIES
   lograge (~> 0.11)
   mysql2 (~> 0.5.4)
   nokogiri (~> 1.18)
+  okcomputer (~> 1.19)
   ougai (~> 1.8)
   puma (~> 6.6.1)
   rails (~> 8.0.0)
-  rails-healthcheck
   rake
   rspec-rails (~> 8.0)
   rspec_junit_formatter (~> 0.4.1)
diff --git a/config/initializers/healthcheck.rb b/config/initializers/healthcheck.rb
deleted file mode 100644
index a8a1bd5..0000000
--- a/config/initializers/healthcheck.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-# frozen_string_literal: true
-
-Healthcheck.configure do |config|
-  config.success = 200
-  config.error = 503
-  config.verbose = false
-  config.route = '/healthcheck'
-  config.method = :get
-
-  # -- Response --
-  config.custom = ->(controller, checker) {
-    controller.render json: 'App Healthy' unless checker.errored?
-  }
-
-end
diff --git a/config/initializers/okcomputer.rb b/config/initializers/okcomputer.rb
new file mode 100644
index 0000000..8494625
--- /dev/null
+++ b/config/initializers/okcomputer.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+# Health check configuration
+OkComputer.logger = Rails.logger
+OkComputer.check_in_parallel = true
diff --git a/config/routes.rb b/config/routes.rb
index 12cebf7..c927db2 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal:true
 
 Rails.application.routes.draw do
-  Healthcheck.routes(self)
+  get 'health', to: 'ok_computer/ok_computer#index', defaults: { format: :json }
   resources :nara_casefile
   resources :search_casefiles
 
diff --git a/lib/tasks/health.rake b/lib/tasks/health.rake
deleted file mode 100644
index bb8796e..0000000
--- a/lib/tasks/health.rake
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace :health do
-  desc 'Query the healthcheck endpoint'
-  task check: :environment do
-    session = ActionDispatch::Integration::Session.new(Rails.application)
-    session.get(Rails.application.routes.url_helpers.health_path)
-    puts session.response.body
-    exit 1 if session.response.server_error?
-  end
-end