Send raw trace from ObjectStorage

app/controllers/projects/jobs_controller.rb

 class Projects::JobsController < Projects::ApplicationController
+  include SendFileUpload
+
   before_action :build, except: [:index, :cancel_all]
 
   before_action :authorize_read_build!,
@@ -117,6 +119,18 @@ class Projects::JobsController < Projects::ApplicationController
   end
 
   def raw
+    if trace_artifact
+      send_upload(trace_artifact.file,
+        send_params:
+          {
+            type: 'text/plain; charset=utf-8',
+            disposition: 'inline'
+          },
+        redirect_params:
+          {
+            query: { "response-content-disposition" => "inline" }
+          } )
+    else
       build.trace.read do |stream|
         if stream.file?
           send_file stream.path, type: 'text/plain; charset=utf-8', disposition: 'inline'
@@ -125,6 +139,7 @@ class Projects::JobsController < Projects::ApplicationController
         end
       end
     end
+  end
 
   private
 
@@ -144,4 +159,8 @@ class Projects::JobsController < Projects::ApplicationController
   def build_path(build)
     project_job_path(build.project, build)
   end
+
+  def trace_artifact
+    build.job_artifacts_trace
+  end
 end