Connect logs and traces. #470

datacite · Apr 15, 2020 · 74c23ab · 74c23ab
1 parent 09c8873
commit 74c23ab
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/config/application.rb b/config/application.rb
@@ -96,8 +96,18 @@ class Application < Rails::Application
     config.lograge.base_controller_class = "ActionController::API"
 
     config.lograge.custom_options = lambda do |event|
+      # Retrieves trace information for current thread
+      correlation = Datadog.tracer.active_correlation
+
       exceptions = %w(controller action format id)
+
       {
+        # Adds IDs as tags to log output
+        dd: {
+          trace_id: correlation.trace_id,
+          span_id: correlation.span_id
+        },
+        ddsource: ["ruby"],
         params: event.payload[:params].except(*exceptions),
         uid: event.payload[:uid],
       }