public AgentConfigsUpdateEvent getHostActualConfigs(Long hostId) throws AmbariException {
    return getHostActualConfigsExcludeCluster(hostId, null);
  }
Collects actual configurations and configuration attributes for specified host.
@param hostId host id to collect configurations and configuration attributes
@return event ready to send to agent
@throws AmbariException
ambari-server/src/main/java/org/apache/ambari/server/state/ConfigHelper.java