EXPERIMENTAL: Allow lograge to be selected as the logging library.

Gemfile

@@ -172,6 +172,7 @@ gem 'memory_profiler', require: false, platform: :mri
 
 gem 'cppjieba_rb', require: false
 
+gem 'lograge'
 gem 'logster'
 
 gem 'sassc', require: false

Gemfile.lock

@@ -150,6 +150,11 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
+    lograge (0.7.1)
+      actionpack (>= 4, < 5.2)
+      activesupport (>= 4, < 5.2)
+      railties (>= 4, < 5.2)
+      request_store (~> 1.0)
     logster (1.2.8)
     loofah (2.1.1)
       crass (~> 1.0.2)
@@ -290,6 +295,7 @@ GEM
     redis (3.3.5)
     redis-namespace (1.5.3)
       redis (~> 3.0, >= 3.0.4)
+    request_store (1.3.2)
     rinku (2.0.2)
     rspec (3.6.0)
       rspec-core (~> 3.6.0)
@@ -431,6 +437,7 @@ DEPENDENCIES
   htmlentities
   http_accept_language (~> 2.0.5)
   listen
+  lograge
   logster
   lru_redux
   mail

config/initializers/100-lograge.rb

@@ -0,0 +1,10 @@
+if (Rails.env.production? && SiteSetting.logging_provider == 'lograge') || ENV["ENABLE_LOGRAGE"]
+  Rails.application.configure do
+    config.lograge.enabled = true
+
+    config.lograge.custom_options = lambda do |event|
+      exceptions = %w(controller action format id)
+      { params: event.payload[:params].except(*exceptions) }
+    end
+  end
+end

config/site_settings.yml

@@ -1098,6 +1098,13 @@ developer:
   bypass_wizard_check:
     default: false
     hidden: true
+  logging_provider:
+    hidden: true
+    default: 'default'
+    type: 'list'
+    choices:
+      - 'default'
+      - 'lograge'
 
 embedding:
   feed_polling_enabled: