Add solid queue

solid_queue.rb

@@ -0,0 +1,47 @@
+module ScoutApm
+  module BackgroundJobIntegrations
+    class GoodJob
+      UNKNOWN_QUEUE_PLACEHOLDER = 'default'.freeze
+      attr_reader :logger
+
+      def name
+        :good_job
+      end
+
+      def present?
+        defined?(::GoodJob::VERSION)
+      end
+
+      def forking?
+        false
+      end
+
+      def install
+        ActiveSupport.on_load(:active_job) do
+          include ScoutApm::Tracer
+
+          around_perform do |job, block|
+            req = ScoutApm::RequestManager.lookup
+            latency = Time.now - (job.scheduled_at || job.enqueued_at) rescue 0
+            req.annotate_request(queue_latency: latency)
+
+            begin
+              req.start_layer ScoutApm::Layer.new("Queue", job.queue_name.presence || UNKNOWN_QUEUE_PLACEHOLDER)
+              started_queue = true # Following Convention
+              req.start_layer ScoutApm::Layer.new("Job", job.class.name)
+              started_job = true # Following Convention
+
+              block.call
+            rescue
+              req.error!
+              raise
+            ensure
+              req.stop_layer if started_job
+              req.stop_layer if started_queue
+            end
+          end
+        end
+      end
+    end
+  end
+end