org.apache.hadoop.hbase.security.token

Class ZKSecretWatcher

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

org.apache.hadoop.hbase.security.token.ZKSecretWatcher

@InterfaceAudience.Private
public class ZKSecretWatcher
extends ZooKeeperListener

Synchronizes token encryption keys across cluster nodes.

Field Summary

Fields inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

watcher

Constructor Summary

Constructors

Constructor and Description
ZKSecretWatcher(org.apache.hadoop.conf.Configuration conf, ZooKeeperWatcher watcher, AuthenticationTokenSecretManager secretManager)

Method Summary

Methods

Modifier and Type	Method and Description
void	addKeyToZK(AuthenticationKey key)
String	getRootKeyZNode()
void	nodeChildrenChanged(String path) Called when an existing node has a child node added or removed.
void	nodeCreated(String path) Called when a new node has been created.
void	nodeDataChanged(String path) Called when an existing node has changed data.
void	nodeDeleted(String path) Called when a node has been deleted
void	removeKeyFromZK(AuthenticationKey key)
void	start()
void	updateKeyInZK(AuthenticationKey key)

Methods inherited from class org.apache.hadoop.hbase.zookeeper.ZooKeeperListener

getWatcher

Methods inherited from class java.lang.Object

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

Constructor Detail

ZKSecretWatcher

public ZKSecretWatcher(org.apache.hadoop.conf.Configuration conf,
               ZooKeeperWatcher watcher,
               AuthenticationTokenSecretManager secretManager)

Method Detail

start

public void start()
           throws org.apache.zookeeper.KeeperException

Throws:

org.apache.zookeeper.KeeperException

nodeCreated

public void nodeCreated(String path)

Description copied from class: ZooKeeperListener

Called when a new node has been created.

Overrides:

nodeCreated in class ZooKeeperListener

Parameters:

path - full path of the new node

nodeDeleted

public void nodeDeleted(String path)

Description copied from class: ZooKeeperListener

Called when a node has been deleted

Overrides:

nodeDeleted in class ZooKeeperListener

Parameters:

path - full path of the deleted node

nodeDataChanged

public void nodeDataChanged(String path)

Description copied from class: ZooKeeperListener

Called when an existing node has changed data.

Overrides:

nodeDataChanged in class ZooKeeperListener

Parameters:

path - full path of the updated node

nodeChildrenChanged

public void nodeChildrenChanged(String path)

Description copied from class: ZooKeeperListener

Called when an existing node has a child node added or removed.

Overrides:

nodeChildrenChanged in class ZooKeeperListener

Parameters:

path - full path of the node whose children have changed

getRootKeyZNode

public String getRootKeyZNode()

removeKeyFromZK

public void removeKeyFromZK(AuthenticationKey key)

addKeyToZK

public void addKeyToZK(AuthenticationKey key)

updateKeyInZK

public void updateKeyInZK(AuthenticationKey key)