water.persist.security

Class HdfsDelegationTokenRefresher

java.lang.Object

water.persist.security.HdfsDelegationTokenRefresher

All Implemented Interfaces:

java.lang.Runnable

public class HdfsDelegationTokenRefresher
extends java.lang.Object
implements java.lang.Runnable

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	H2O_AUTH_KEYTAB
static java.lang.String	H2O_AUTH_PRINCIPAL
static java.lang.String	H2O_AUTH_TOKEN_REFRESHER_ENABLED
static java.lang.String	H2O_AUTH_TOKEN_REFRESHER_FALLBACK_INTERVAL_SECS
static java.lang.String	H2O_AUTH_TOKEN_REFRESHER_INTERVAL_RATIO
static java.lang.String	H2O_AUTH_TOKEN_REFRESHER_MAX_ATTEMPTS
static java.lang.String	H2O_AUTH_TOKEN_REFRESHER_RETRY_DELAY_SECS
static java.lang.String	H2O_AUTH_USER

Constructor Summary

Constructors

Constructor and Description
HdfsDelegationTokenRefresher(org.apache.hadoop.conf.Configuration conf, java.lang.String authPrincipal, java.lang.String authKeytabPath, java.lang.String authUser)

Method Summary

Modifier and Type	Method and Description
void	run()
static void	setup(org.apache.hadoop.conf.Configuration conf, java.lang.String tmpDir)
void	start()

Methods inherited from class java.lang.Object

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

Field Detail

H2O_AUTH_USER

public static final java.lang.String H2O_AUTH_USER

See Also:

Constant Field Values

H2O_AUTH_PRINCIPAL

public static final java.lang.String H2O_AUTH_PRINCIPAL

See Also:

Constant Field Values

H2O_AUTH_KEYTAB

public static final java.lang.String H2O_AUTH_KEYTAB

See Also:

Constant Field Values

H2O_AUTH_TOKEN_REFRESHER_ENABLED

public static final java.lang.String H2O_AUTH_TOKEN_REFRESHER_ENABLED

See Also:

Constant Field Values

H2O_AUTH_TOKEN_REFRESHER_INTERVAL_RATIO

public static final java.lang.String H2O_AUTH_TOKEN_REFRESHER_INTERVAL_RATIO

See Also:

Constant Field Values

H2O_AUTH_TOKEN_REFRESHER_MAX_ATTEMPTS

public static final java.lang.String H2O_AUTH_TOKEN_REFRESHER_MAX_ATTEMPTS

See Also:

Constant Field Values

H2O_AUTH_TOKEN_REFRESHER_RETRY_DELAY_SECS

public static final java.lang.String H2O_AUTH_TOKEN_REFRESHER_RETRY_DELAY_SECS

See Also:

Constant Field Values

H2O_AUTH_TOKEN_REFRESHER_FALLBACK_INTERVAL_SECS

public static final java.lang.String H2O_AUTH_TOKEN_REFRESHER_FALLBACK_INTERVAL_SECS

See Also:

Constant Field Values

Constructor Detail

HdfsDelegationTokenRefresher

public HdfsDelegationTokenRefresher(org.apache.hadoop.conf.Configuration conf,
                                    java.lang.String authPrincipal,
                                    java.lang.String authKeytabPath,
                                    java.lang.String authUser)

Method Detail

setup

public static void setup(org.apache.hadoop.conf.Configuration conf,
                         java.lang.String tmpDir)
                  throws java.io.IOException

Throws:

java.io.IOException

start

public void start()

run

public void run()

Specified by:

run in interface java.lang.Runnable