lib/sidekiq_alive/helpers.rb in sidekiq_alive-2.3.1 vs lib/sidekiq_alive/helpers.rb in sidekiq_alive-2.4.0

@@ -15,13 +15,39 @@
       def sidekiq_5
         current_sidekiq_version >= Gem::Version.new("5") &&
           current_sidekiq_version < Gem::Version.new("6")
       end
 
+      def use_rack?
+        return @use_rack if defined?(@use_rack)
+
+        require "rack"
+        @use_rack = current_rack_version < Gem::Version.new("3")
+      rescue LoadError
+        # currently this won't happen because rack is a dependency of sidekiq
+        @use_rack = false
+      end
+
+      def use_rackup?
+        return @use_rackup if defined?(@use_rackup)
+
+        require "rackup"
+        @use_rackup = current_rack_version >= Gem::Version.new("3")
+      rescue LoadError
+        if current_rack_version >= Gem::Version.new("3")
+          SidekiqAlive.logger.warn("rackup gem required with rack >= 3, defaulting to default server")
+        end
+        @use_rackup = false
+      end
+
       private
 
       def current_sidekiq_version
         Gem.loaded_specs["sidekiq"].version
+      end
+
+      def current_rack_version
+        Gem.loaded_specs["rack"].version
       end
     end
   end
 end