bin/check-elb-nodes.rb in sensu-plugins-aws-5.1.0 vs bin/check-elb-nodes.rb in sensu-plugins-aws-6.0.0

@@ -123,10 +123,12 @@
     message << "; Unknown: #{state['Unknown'].count}"
     if state['Unknown'].count > 0
       message << " (#{state['Unknown'].join(', ')})"
     end
 
-    if state['Unknown'].count == num_instances
+    if num_instances.zero?
+      critical 'ELB has no nodes'
+    elsif state['Unknown'].count == num_instances
       unknown 'All nodes in unknown state'
     elsif state['InService'].count == 0
       critical message
     elsif config[:crit_under] > 0 && config[:crit_under] >= state['InService'].count
       critical message