public String getSpnegoKeytabFilePath() {
    return spnegoKeytabFilePath;
  }
Gets the configured SPNEGO keytab file path. This may be <code>null</code> if Kerberos
authentication is not enabled.

@return the SPNEGO keytab file path or <code>null</code> if Kerberos authentication is not enabled
ambari-server/src/main/java/org/apache/ambari/server/security/authentication/kerberos/AmbariKerberosAuthenticationProperties.java