org.apache.flink.runtime.security.token

接口 DelegationTokenManager

所有已知实现类:

KerberosDelegationTokenManager, NoOpDelegationTokenManager

public interface DelegationTokenManager

Manager for delegation tokens in a Flink cluster.

When delegation token renewal is enabled, this manager will make sure long-running apps can run without interruption while accessing secured services. It must contact all the configured secure services to obtain delegation tokens to be distributed to the rest of the application.

方法概要

限定符和类型	方法和说明
void	obtainDelegationTokens(org.apache.hadoop.security.Credentials credentials) Obtains new tokens in a one-time fashion and leaves it up to the caller to distribute them.
void	start() Creates a re-occurring task which obtains new tokens and automatically distributes them to task managers.
void	stop() Stops re-occurring token obtain task.

方法详细资料

obtainDelegationTokens

void obtainDelegationTokens(org.apache.hadoop.security.Credentials credentials)
                     throws Exception

Obtains new tokens in a one-time fashion and leaves it up to the caller to distribute them.

抛出:

Exception

start

void start()
    throws Exception

Creates a re-occurring task which obtains new tokens and automatically distributes them to task managers.

抛出:

Exception

stop

void stop()

Stops re-occurring token obtain task.