public void addKerberosKeytabPrincipal(KerberosKeytabPrincipalEntity kerberosKeytabPrincipalEntity) {
    if (!kerberosKeytabPrincipalEntities.contains(kerberosKeytabPrincipalEntity)) {
      kerberosKeytabPrincipalEntities.add(kerberosKeytabPrincipalEntity);
    }
  }
Sets the location of the cached keytab file, if one exists

@param cachedKeytabPath a String the location of the cached keytab file, or not if one does not exist
ambari-server/src/main/java/org/apache/ambari/server/orm/entities/KerberosPrincipalEntity.java