/**
* Get a delegation token for the user from the JobTracker.
*
* @param renewer the user who can renew the token
* @return the new token
* @throws IOException
*/
public Token<DelegationTokenIdentifier> getDelegationToken(Text renewer)
throws IOException, InterruptedException {
Token<DelegationTokenIdentifier> result = client.getDelegationToken(renewer);
InetSocketAddress addr = Master.getMasterAddress(conf);
StringBuilder service = new StringBuilder();
service.append(NetUtils.normalizeHostName(addr.getAddress().getHostAddress()));
service.append(':');
service.append(addr.getPort());
result.setService(new Text(service.toString()));
return result;
}
/**
* Get a delegation token for the user from the JobTracker.
*
* @param renewer the user who can renew the token
* @return the new token
* @throws IOException
*/
public Token<DelegationTokenIdentifier> getDelegationToken(Text renewer)
throws IOException, InterruptedException {
// client has already set the service
return client.getDelegationToken(renewer);
}