Add network monitor stratum max levels dynamic attribute to Server

Author: ju2wheels

lib/softlayer/Server.rb

@@ -53,6 +53,19 @@ class Server  < SoftLayer::ModelBase
     # Notes about these server (for use by the customer)
     sl_attr :notes
 
+    ##
+    # The maximum network monitor query/response levels currently supported by the server
+    #
+    sl_dynamic_attr :network_monitor_levels do |resource|
+      resource.should_update? do
+        @network_monitor_levels == nil
+      end
+
+      resource.to_update do
+        self.service.getAvailableMonitoring
+      end
+    end
+
     ##
     # A lsst of configured network monitors.
     #