lib/terraforming/resource/ec2.rb in terraforming-0.1.2 vs lib/terraforming/resource/ec2.rb in terraforming-0.1.3

@@ -68,9 +68,10 @@
       def block_device_ids_of(instance)
         instance.block_device_mappings.map { |bdm| bdm.ebs.volume_id }
       end
 
       def block_devices_of(instance)
+        return [] unless instance.block_device_mappings.length > 0
         @client.describe_volumes(volume_ids: block_device_ids_of(instance)).volumes
       end
 
       def block_device_mapping_of(instance, volume_id)
         instance.block_device_mappings.select { |bdm| bdm.ebs.volume_id == volume_id }[0]