/**
* Entry point to seed the local {@link AuthenticationKey} cache from ZooKeeper and set the first
* watcher for future updates in ZooKeeper.
*/
public void updateAuthKeys() throws KeeperException, InterruptedException {
// Might cause two watchers on baseNode, but only at startup for each tserver.
if (zk.exists(baseNode, this)) {
log.info(
"Added {} existing AuthenticationKeys to local cache from ZooKeeper",
updateAuthKeys(baseNode));
}
}
