Feature #1613: Do not monitor system DS

src/datastore/Datastore.cc

@@ -508,6 +508,9 @@ int Datastore::replace_template(const string& tmpl_str, string& error_str)
     if ( type == SYSTEM_DS )
     {
         new_ds_mad = "-";
+
+        // System DS are not monitored, clear current info
+        update_monitor(0, 0, 0);
     }
     else
     {

src/image/ImageManager.cc

@@ -203,6 +203,12 @@ void ImageManager::monitor_datastore(int ds_id)
         return;
     }
 
+    if ( ds->get_type() == Datastore::SYSTEM_DS )
+    {
+        ds->unlock();
+        return;
+    }
+
     drv_msg = ImageManager::format_message("", ds->to_xml(ds_data));
 
     oss << "Monitoring datastore " << ds->get_name() << " (" << ds_id << ")";