Add "clear workers" button back to UI

lib/sidekiq/web.rb

@@ -36,6 +36,15 @@ module Sidekiq
 
     helpers do
 
+      def reset_worker_list
+        Sidekiq.redis do |conn|
+          workers = conn.smembers('workers')
+          workers.each do |name|
+            conn.srem('workers', name)
+          end
+        end
+      end
+
       def workers
         @workers ||= begin
           Sidekiq.redis do |conn|
@@ -127,6 +136,11 @@ module Sidekiq
       slim :queue
     end
 
+    post "/reset" do
+      reset_worker_list
+      redirect root_path
+    end
+
     post "/queues/:name" do
       Sidekiq.redis do |conn|
         conn.del("queue:#{params[:name]}")

web/views/index.slim

@@ -30,6 +30,8 @@
             td= msg['payload']['class']
             td= msg['payload']['args'].inspect[0..100]
             td== relative_time(Time.parse(msg['run_at']))
+      form action="#{root_path}reset" method="post"
+         button.btn type="submit" title="If you kill -9 Sidekiq, this table can fill up with old data." Clear worker list
 
     #queues.tab-pane
       table class="table table-striped table-bordered"