Example usage for org.apache.hadoop.hdfs.security.token.block BlockKey setExpiryDate

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.security.token.block BlockKey setExpiryDate.

Prototype

public void setExpiryDate(long expiryDate) 

Source Link

Usage

From source file:io.hops.metadata.security.token.block.NameNodeBlockTokenSecretManager.java

License:Apache License

private boolean updateBlockKeys() throws IOException {
    return (Boolean) new HopsTransactionalRequestHandler(HDFSOperationType.UPDATE_BLOCK_KEYS) {
        @Override//w  ww.ja v a  2  s  .c  o m
        public void acquireLock(TransactionLocks locks) throws IOException {
            LockFactory lf = LockFactory.getInstance();
            locks.add(lf.getVariableLock(Variable.Finder.BlockTokenKeys, LockType.WRITE));
        }

        @Override
        public Object performTask() throws StorageException, IOException {
            Map<Integer, BlockKey> keys = HdfsVariables.getAllBlockTokenKeysByType();
            if (keys.isEmpty()) {
                log.debug("keys is not generated yet to be updated");
                return false;
            }
            // set final expiry date of retiring currentKey
            // also modifying this key to mark it as 'simple key' instead of 'current key'
            BlockKey currentKeyFromDB = keys.get(BlockKey.KeyType.CurrKey.ordinal());
            currentKeyFromDB.setExpiryDate(Time.now() + keyUpdateInterval + tokenLifetime);
            currentKeyFromDB.setKeyType(BlockKey.KeyType.SimpleKey);

            // after above update, we only have a key marked as 'next key'
            // the 'next key' becomes the 'current key'
            // update the estimated expiry date of new currentKey
            BlockKey nextKeyFromDB = keys.get(BlockKey.KeyType.NextKey.ordinal());
            currentKey = new BlockKey(nextKeyFromDB.getKeyId(),
                    Time.now() + 2 * keyUpdateInterval + tokenLifetime, nextKeyFromDB.getKey());
            currentKey.setKeyType(BlockKey.KeyType.CurrKey);

            // generate a new nextKey
            setSerialNo(serialNo + 1);
            nextKey = new BlockKey(serialNo, Time.now() + 3 * keyUpdateInterval + tokenLifetime,
                    generateSecret());
            nextKey.setKeyType(BlockKey.KeyType.NextKey);

            HdfsVariables.updateBlockTokenKeys(currentKey, nextKey, currentKeyFromDB);
            return true;
        }
    }.handle();
}

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