lib/cloudstack-nagios/helper.rb in cloudstack-nagios-0.17.7 vs lib/cloudstack-nagios/helper.rb in cloudstack-nagios-0.18.0

@@ -36,11 +36,15 @@
       say exception.backtrace
       exit 3
     end
 
     def check_data(total, usage, warning, critical)
-      usage_percent = (100.0 / total.to_f * usage.to_f) || 0.0
-      code = 3
+      usage_percent = 100.0 / total.to_f * usage.to_f
+
+      if usage_percent.nan?
+        usage_percent = 0.0
+      end
+
       if usage_percent < warning
         code = 0
       elsif usage_percent < critical
         code = 1
       else