private void addKerberosClient(ClusterTopology topology) {
    for (HostGroup group : topology.getBlueprint().getHostGroups().values()) {
      group.addComponent("KERBEROS_CLIENT");
    }
  }
Add the kerberos client to groups if kerberos is enabled for the cluster.

@param topology  cluster topology
ambari-server/src/main/java/org/apache/ambari/server/topology/TopologyManager.java