org.apache.hadoop.security.authorize
Class ProxyUsers

java.lang.Object
  org.apache.hadoop.security.authorize.ProxyUsers

public class ProxyUsers
extends Object

Field Summary

static String	CONF_GROUPS
static String	CONF_HADOOP_PROXYUSER
static String	CONF_HADOOP_PROXYUSER_RE

Constructor Summary

ProxyUsers()

Method Summary

static void	authorize(UserGroupInformation user, String remoteAddress, Configuration newConf) Authorize the superuser which is doing doAs
static String	getProxySuperuserGroupConfKey(String userName) Returns configuration key for effective user groups allowed for a superuser
static String	getProxySuperuserIpConfKey(String userName) Return configuration key for superuser ip addresses
static void	refreshSuperUserGroupsConfiguration() reread the conf and get new values for "hadoop.proxyuser.*.groups/hosts"
static void	refreshSuperUserGroupsConfiguration(Configuration conf) refresh configuration

Methods inherited from class java.lang.Object

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

Field Detail

CONF_GROUPS

public static final String CONF_GROUPS

See Also:

Constant Field Values

CONF_HADOOP_PROXYUSER

public static final String CONF_HADOOP_PROXYUSER

See Also:

Constant Field Values

CONF_HADOOP_PROXYUSER_RE

public static final String CONF_HADOOP_PROXYUSER_RE

See Also:

Constant Field Values

Constructor Detail

ProxyUsers

public ProxyUsers()

Method Detail

refreshSuperUserGroupsConfiguration

public static void refreshSuperUserGroupsConfiguration()

reread the conf and get new values for "hadoop.proxyuser.*.groups/hosts"

refreshSuperUserGroupsConfiguration

public static void refreshSuperUserGroupsConfiguration(Configuration conf)

refresh configuration

Parameters:

conf -

getProxySuperuserGroupConfKey

public static String getProxySuperuserGroupConfKey(String userName)

Returns configuration key for effective user groups allowed for a superuser

Parameters:

userName - name of the superuser

Returns:

configuration key for superuser groups

getProxySuperuserIpConfKey

public static String getProxySuperuserIpConfKey(String userName)

Return configuration key for superuser ip addresses

Parameters:

userName - name of the superuser

Returns:

configuration key for superuser ip-addresses

authorize

public static void authorize(UserGroupInformation user,
                             String remoteAddress,
                             Configuration newConf)
                      throws AuthorizationException

Authorize the superuser which is doing doAs

Parameters:

user - ugi of the effective or proxy user which contains a real user

remoteAddress - the ip address of client

newConf - configuration

Throws:

AuthorizationException