Improve logging of .delay jobs, closes #4904

Changes.md

@@ -6,6 +6,7 @@ HEAD
 ---------
 
 - Minimize scheduler load on Redis at scale [#4882]
+- Improve logging of delay jobs [#4904, BuonOno]
 
 6.2.1
 ---------

lib/sidekiq/api.rb

@@ -316,21 +316,23 @@ module Sidekiq
 
     def display_class
       # Unwrap known wrappers so they show up in a human-friendly manner in the Web UI
-      @klass ||= case klass
-                 when /\ASidekiq::Extensions::Delayed/
-                   safe_load(args[0], klass) do |target, method, _|
-                     "#{target}.#{method}"
-                   end
-                 when "ActiveJob::QueueAdapters::SidekiqAdapter::JobWrapper"
-                   job_class = @item["wrapped"] || args[0]
-                   if job_class == "ActionMailer::DeliveryJob" || job_class == "ActionMailer::MailDeliveryJob"
-                     # MailerClass#mailer_method
-                     args[0]["arguments"][0..1].join("#")
-                   else
-                     job_class
-                   end
-                 else
-                   klass
+      @klass ||= self["display_class"] || begin
+        case klass
+        when /\ASidekiq::Extensions::Delayed/
+          safe_load(args[0], klass) do |target, method, _|
+            "#{target}.#{method}"
+          end
+        when "ActiveJob::QueueAdapters::SidekiqAdapter::JobWrapper"
+          job_class = @item["wrapped"] || args[0]
+          if job_class == "ActionMailer::DeliveryJob" || job_class == "ActionMailer::MailDeliveryJob"
+            # MailerClass#mailer_method
+            args[0]["arguments"][0..1].join("#")
+          else
+            job_class
+          end
+        else
+          klass
+        end
       end
     end
 

lib/sidekiq/extensions/generic_proxy.rb

@@ -24,7 +24,9 @@ module Sidekiq
         if marshalled.size > SIZE_LIMIT
           ::Sidekiq.logger.warn { "#{@target}.#{name} job argument is #{marshalled.bytesize} bytes, you should refactor it to reduce the size" }
         end
-        @performable.client_push({"class" => @performable, "args" => [marshalled]}.merge(@opts))
+        @performable.client_push({"class" => @performable,
+                                  "args" => [marshalled],
+                                  "display_class" => "#{@target}.#{name}"}.merge(@opts))
       end
     end
   end

lib/sidekiq/job_logger.rb

@@ -38,7 +38,7 @@ module Sidekiq
       # If we're using a wrapper class, like ActiveJob, use the "wrapped"
       # attribute to expose the underlying thing.
       h = {
-        class: job_hash["wrapped"] || job_hash["class"],
+        class: job_hash["display_class"] || job_hash["wrapped"] || job_hash["class"],
         jid: job_hash["jid"]
       }
       h[:bid] = job_hash["bid"] if job_hash["bid"]

myapp/app/models/post.rb

@@ -2,4 +2,8 @@ class Post < ActiveRecord::Base
   def long_method(other_post)
     puts "Running long method with #{self.id} and #{other_post.id}"
   end
+
+  def self.testing
+    Sidekiq.logger.info "Test"
+  end
 end

myapp/config/initializers/sidekiq.rb

@@ -33,3 +33,4 @@ class TimedWorker
 end
 
 Sidekiq::Extensions.enable_delay!
+Post.delay.testing

test/test_extensions.rb

@@ -31,6 +31,7 @@ describe Sidekiq::Extensions do
     assert_equal 0, q.size
     MyModel.delay(queue: :notdefault).long_class_method
     assert_equal ['notdefault'], Sidekiq::Queue.all.map(&:name)
+    assert_equal ['MyModel.long_class_method'], q.map(&:display_class)
     assert_equal 1, q.size
   end