org.apache.nifi.hadoop

Class KerberosProperties

java.lang.Object

org.apache.nifi.hadoop.KerberosProperties

public class KerberosProperties
extends Object

All processors and controller services that need properties for Kerberos Principal and Keytab should obtain them through this class by calling: KerberosProperties props = KerberosProperties.create(NiFiProperties.getInstance()) The properties can be accessed from the resulting KerberosProperties instance.

Field Summary

Fields

Modifier and Type	Field and Description
private File	kerberosConfigFile
private Validator	kerberosConfigValidator
private PropertyDescriptor	kerberosKeytab
private PropertyDescriptor	kerberosPrincipal

Constructor Summary

Constructors

Constructor and Description
KerberosProperties(File kerberosConfigFile) Instantiate a KerberosProperties object but keep in mind it is effectively a singleton because the krb5.conf file needs to be set as a system property which this constructor will take care of.

Method Summary

Modifier and Type	Method and Description
File	getKerberosConfigFile()
Validator	getKerberosConfigValidator()
PropertyDescriptor	getKerberosKeytab()
PropertyDescriptor	getKerberosPrincipal()
static List<ValidationResult>	validatePrincipalAndKeytab(String subject, org.apache.hadoop.conf.Configuration config, String principal, String keytab, ComponentLog logger)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

kerberosConfigFile

private final File kerberosConfigFile

kerberosConfigValidator

private final Validator kerberosConfigValidator

kerberosPrincipal

private final PropertyDescriptor kerberosPrincipal

kerberosKeytab

private final PropertyDescriptor kerberosKeytab

Constructor Detail

KerberosProperties

public KerberosProperties(File kerberosConfigFile)

Instantiate a KerberosProperties object but keep in mind it is effectively a singleton because the krb5.conf file needs to be set as a system property which this constructor will take care of.

Parameters:

kerberosConfigFile - file of krb5.conf

Method Detail

getKerberosConfigFile

public File getKerberosConfigFile()

getKerberosConfigValidator

public Validator getKerberosConfigValidator()

getKerberosPrincipal

public PropertyDescriptor getKerberosPrincipal()

getKerberosKeytab

public PropertyDescriptor getKerberosKeytab()

validatePrincipalAndKeytab

public static List<ValidationResult> validatePrincipalAndKeytab(String subject,
                                                                org.apache.hadoop.conf.Configuration config,
                                                                String principal,
                                                                String keytab,
                                                                ComponentLog logger)