org.apache.hadoop.hbase.security.token

Class ZKSecretWatcher

java.lang.Object

org.apache.hadoop.hbase.zookeeper.ZKListener

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

@InterfaceAudience.Private
public class ZKSecretWatcher
extends ZKListener

Synchronizes token encryption keys across cluster nodes.

Field Summary

Fields

Modifier and Type	Field and Description
private String	baseKeyZNode
private static String	DEFAULT_KEYS_PARENT
private static String	DEFAULT_ROOT_NODE
private String	keysParentZNode
private static org.slf4j.Logger	LOG
private AuthenticationTokenSecretManager	secretManager

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

watcher

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	addKeyToZK(AuthenticationKey key)
private String	getKeyNode(int keyId)
(package private) String	getKeysParentZNode() get token keys parent node
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
(package private) void	refreshKeys() refresh keys
private void	refreshNodes(List<ZKUtil.NodeAndData> nodes)
void	removeKeyFromZK(AuthenticationKey key)
void	start()
void	updateKeyInZK(AuthenticationKey key)

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

getWatcher

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ROOT_NODE

private static final String DEFAULT_ROOT_NODE

See Also:

Constant Field Values

DEFAULT_KEYS_PARENT

private static final String DEFAULT_KEYS_PARENT

See Also:

Constant Field Values

LOG

private static final org.slf4j.Logger LOG

secretManager

private AuthenticationTokenSecretManager secretManager

baseKeyZNode

private String baseKeyZNode

keysParentZNode

private String keysParentZNode

Constructor Detail

ZKSecretWatcher

public ZKSecretWatcher(org.apache.hadoop.conf.Configuration conf,
                       ZKWatcher 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: ZKListener

Called when a new node has been created.

Overrides:

nodeCreated in class ZKListener

Parameters:

path - full path of the new node

nodeDeleted

public void nodeDeleted(String path)

Description copied from class: ZKListener

Called when a node has been deleted

Overrides:

nodeDeleted in class ZKListener

Parameters:

path - full path of the deleted node

nodeDataChanged

public void nodeDataChanged(String path)

Description copied from class: ZKListener

Called when an existing node has changed data.

Overrides:

nodeDataChanged in class ZKListener

Parameters:

path - full path of the updated node

nodeChildrenChanged

public void nodeChildrenChanged(String path)

Description copied from class: ZKListener

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

Overrides:

nodeChildrenChanged in class ZKListener

Parameters:

path - full path of the node whose children have changed

getRootKeyZNode

public String getRootKeyZNode()

refreshNodes

private void refreshNodes(List<ZKUtil.NodeAndData> nodes)

getKeyNode

private String getKeyNode(int keyId)

removeKeyFromZK

public void removeKeyFromZK(AuthenticationKey key)

addKeyToZK

public void addKeyToZK(AuthenticationKey key)

updateKeyInZK

public void updateKeyInZK(AuthenticationKey key)

refreshKeys

void refreshKeys()

refresh keys

getKeysParentZNode

String getKeysParentZNode()

get token keys parent node

Returns:

token keys parent node