Log Sidekiq arguments

CHANGELOG

 v 7.2.0
   - Explore page
   - Add project stars (Ciro Santilli)
+  - Log Sidekiq arguments
 
 v 7.1.0
   - Remove observers

config/initializers/4_sidekiq.rb

@@ -12,6 +12,10 @@ Sidekiq.configure_server do |config|
     url: resque_url,
     namespace: 'resque:gitlab'
   }
+
+  config.server_middleware do |chain|
+    chain.add Gitlab::SidekiqMiddleware::ArgumentsLogger
+  end
 end
 
 Sidekiq.configure_client do |config|

lib/gitlab/sidekiq_middleware/arguments_logger.rb

+module Gitlab
+  module SidekiqMiddleware
+    class ArgumentsLogger
+      def call(worker, job, queue)
+        Sidekiq.logger.info "arguments: #{job['args']}"
+        yield
+      end
+    end
+  end
+end