Add "quiet" label to UI when process is quieted"

lib/sidekiq/api.rb

@@ -738,6 +738,10 @@ def stop!
     def dump_threads
       signal('TTIN')
     end
+
+    def stopping?
+      self['stopping']
+    end
 
     private
 

lib/sidekiq/launcher.rb

@@ -128,6 +128,7 @@ def start_heartbeat
         'queues' => @options[:queues].uniq,
         'labels' => @options[:labels],
         'identity' => k,
+        'stopping' => @done
       }
       # this data doesn't change so dump it to a string
       # now so we don't need to dump it every heartbeat.

web/views/busy.erb

@@ -30,6 +30,9 @@
           <% process.labels.each do |label| %>
             <span class="label label-info"><%= label %></span>
           <% end %>
+		  <% if process.stopping? %>
+		  	<span class="label label-danger">Quiet</span>
+		  <% end %>
           <br>
           <b><%= "#{t('Queues')}: " %></b>
           <%= process['queues'] * ", " %>
@@ -42,7 +45,9 @@
             <form method="POST">
               <%= csrf_tag %>
               <input type="hidden" name="identity" value="<%= process['identity'] %>"/>
-              <button class="btn btn-warn" type="submit" name="quiet" value="1"><%= t('Quiet') %></button>
+              <% unless process.stopping? %>
+			  	<button class="btn btn-warn" type="submit" name="quiet" value="1"><%= t('Quiet') %></button>
+			  <% end %>
               <button class="btn btn-danger" type="submit" name="stop" value="1"><%= t('Stop') %></button>
             </form>
           </div>