lib/autoscale/heroku.rb in heroku-qc-autoscale-0.0.5 vs lib/autoscale/heroku.rb in heroku-qc-autoscale-0.0.6

@@ -9,10 +9,15 @@
 
       def workers=(qty)
         client.post_ps_scale(app, "worker", qty)
       end
 
+      # shutdown all workers
+      def shutdown
+        self.workers = 0
+      end
+
       def job_count
         QC::Queries.count.to_i
       end
 
       # scale workers based on scale
@@ -30,10 +35,10 @@
           self.workers = min_workers
         end
       end
 
       def calculate_required_workers
-        scale.rindex{|x| x <= job_count} + 1
+        (scale.rindex{|x| x <= job_count}.to_i + 1)
       end
 
       def params
         {
           api_key: Autoscale.api_key  || ENV['HEROKU_API_KEY'],
\ No newline at end of file