Switch to lograge.

Gemfile

@@ -80,7 +80,8 @@ gem 'blacklight-oembed'
 gem 'devise_invitable'
 gem 'iso-639'
 gem 'iiif-presentation'
-gem 'rails_semantic_logger'
+gem 'lograge'
+gem 'logstash-event'
 gem 'omniauth-cas'
 gem 'sneakers'
 gem 'open_uri_redirections'

Gemfile.lock

@@ -289,6 +289,12 @@ GEM
       rails (>= 4.2.0)
     legato (0.7.0)
       multi_json
+    lograge (0.9.0)
+      actionpack (>= 4)
+      activesupport (>= 4)
+      railties (>= 4)
+      request_store (~> 1.0)
+    logstash-event (1.2.02)
     loofah (2.2.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -375,9 +381,6 @@ GEM
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
-    rails_semantic_logger (4.2.0)
-      rails (>= 3.2)
-      semantic_logger (~> 4.1)
     railties (5.0.6)
       actionpack (= 5.0.6)
       activesupport (= 5.0.6)
@@ -455,8 +458,6 @@ GEM
     sdoc (0.4.2)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
-    semantic_logger (4.2.0)
-      concurrent-ruby (~> 1.0)
     serverengine (1.5.11)
       sigdump (~> 0.2.2)
     sidekiq (4.2.2)
@@ -591,6 +592,8 @@ DEPENDENCIES
   iso-639
   jbuilder (~> 2.0)
   jquery-rails
+  lograge
+  logstash-event
   nokogiri (~> 1.8.1)
   omniauth-cas
   open_uri_redirections
@@ -602,7 +605,6 @@ DEPENDENCIES
   pul_uv_rails!
   rails (~> 5.0)
   rails-controller-testing
-  rails_semantic_logger
   redis-namespace
   riiif
   rsolr (~> 1.0.6)

config/application.rb

@@ -26,10 +26,5 @@ class Application < Rails::Application
     # config.i18n.default_locale = :de
 
     config.autoload_paths += %W(#{Rails.root}/app/workers)
-    config.semantic_logger.backtrace_level = :info
-    config.rails_semantic_logger.quiet_assets = true
-    config.rails_semantic_logger.format = :json
-    config.rails_semantic_logger.rendered = false
-    config.semantic_logger.application = 'DPUL'
   end
 end

config/initializers/lograge.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+Rails.application.configure do
+  # Lograge config
+  config.lograge.enabled = true
+
+  # We are asking here to log in RAW (which are actually ruby hashes). The Ruby logging is going to take care of the JSON formatting.
+  config.lograge.formatter = Lograge::Formatters::Logstash.new
+
+  # This is is useful if you want to log query parameters
+  config.lograge.custom_options = lambda do |event|
+    { ddsource: ["ruby"],
+      params: event.payload[:params].reject { |k| %w[controller action].include? k } }
+  end
+end