public boolean isKerberosAuthenticationEnabled() {
    return kerberosAuthenticationEnabled;
  }
Get whether Kerberos authentication is enabled or not.

@return <code>true</code> if Kerberos authentication is enabled; otherwise <code>false</code>
ambari-server/src/main/java/org/apache/ambari/server/security/authentication/kerberos/AmbariKerberosAuthenticationProperties.java