How to use

getBlockKeys

method

in

org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol

@Override
public void run() {
 try {
  while (shouldRun) {
   try {
    blockTokenSecretManager.addKeys(namenode.getBlockKeys());
   } catch (IOException e) {
    LOG.error("Failed to set keys", e);
   }
   Thread.sleep(sleepInterval);
  }
 } catch (InterruptedException e) {
  LOG.debug("InterruptedException in block key updater thread", e);
 } catch (Throwable e) {
  LOG.error("Exception in block key updater thread", e);
  shouldRun = false;
 }
}

@Override
public GetBlockKeysResponseProto getBlockKeys(RpcController unused,
  GetBlockKeysRequestProto request) throws ServiceException {
 ExportedBlockKeys keys;
 try {
  keys = impl.getBlockKeys();
 } catch (IOException e) {
  throw new ServiceException(e);
 }
 GetBlockKeysResponseProto.Builder builder = 
   GetBlockKeysResponseProto.newBuilder();
 if (keys != null) {
  builder.setKeys(PBHelper.convert(keys));
 }
 return builder.build();
}

this.timer = new Timer();
final ExportedBlockKeys keys = namenode.getBlockKeys();
this.isBlockTokenEnabled = keys.isBlockTokenEnabled();
if (isBlockTokenEnabled) {

@Override
public void run() {
 try {
  while (shouldRun) {
   try {
    blockTokenSecretManager.addKeys(namenode.getBlockKeys());
   } catch (IOException e) {
    LOG.error("Failed to set keys", e);
   }
   Thread.sleep(sleepInterval);
  }
 } catch (InterruptedException e) {
  LOG.debug("InterruptedException in block key updater thread", e);
 } catch (Throwable e) {
  LOG.error("Exception in block key updater thread", e);
  shouldRun = false;
 }
}

@Override
public void run() {
 try {
  while (shouldRun) {
   try {
    blockTokenSecretManager.addKeys(namenode.getBlockKeys());
   } catch (IOException e) {
    LOG.error("Failed to set keys", e);
   }
   Thread.sleep(sleepInterval);
  }
 } catch (InterruptedException e) {
  LOG.debug("InterruptedException in block key updater thread", e);
 } catch (Throwable e) {
  LOG.error("Exception in block key updater thread", e);
  shouldRun = false;
 }
}

@Override
public GetBlockKeysResponseProto getBlockKeys(RpcController unused,
  GetBlockKeysRequestProto request) throws ServiceException {
 ExportedBlockKeys keys;
 try {
  keys = impl.getBlockKeys();
 } catch (IOException e) {
  throw new ServiceException(e);
 }
 GetBlockKeysResponseProto.Builder builder = 
   GetBlockKeysResponseProto.newBuilder();
 if (keys != null) {
  builder.setKeys(PBHelper.convert(keys));
 }
 return builder.build();
}

@Override
public GetBlockKeysResponseProto getBlockKeys(RpcController unused,
  GetBlockKeysRequestProto request) throws ServiceException {
 ExportedBlockKeys keys;
 try {
  keys = impl.getBlockKeys();
 } catch (IOException e) {
  throw new ServiceException(e);
 }
 GetBlockKeysResponseProto.Builder builder = 
   GetBlockKeysResponseProto.newBuilder();
 if (keys != null) {
  builder.setKeys(PBHelper.convert(keys));
 }
 return builder.build();
}

public KeyManager(String blockpoolID, NamenodeProtocol namenode,
  boolean encryptDataTransfer, Configuration conf) throws IOException {
 this.namenode = namenode;
 this.encryptDataTransfer = encryptDataTransfer;
 this.timer = new Timer();
 final ExportedBlockKeys keys = namenode.getBlockKeys();
 this.isBlockTokenEnabled = keys.isBlockTokenEnabled();
 if (isBlockTokenEnabled) {
  long updateInterval = keys.getKeyUpdateInterval();
  long tokenLifetime = keys.getTokenLifetime();
  LOG.info("Block token params received from NN: update interval="
    + StringUtils.formatTime(updateInterval)
    + ", token lifetime=" + StringUtils.formatTime(tokenLifetime));
  String encryptionAlgorithm = conf.get(
    DFSConfigKeys.DFS_DATA_ENCRYPTION_ALGORITHM_KEY);
  this.blockTokenSecretManager = new BlockTokenSecretManager(
    updateInterval, tokenLifetime, blockpoolID, encryptionAlgorithm);
  this.blockTokenSecretManager.addKeys(keys);
  // sync block keys with NN more frequently than NN updates its block keys
  this.blockKeyUpdater = new BlockKeyUpdater(updateInterval / 4);
  this.shouldRun = true;
 } else {
  this.blockTokenSecretManager = null;
  this.blockKeyUpdater = null;
 }
}

public KeyManager(String blockpoolID, NamenodeProtocol namenode,
  boolean encryptDataTransfer, Configuration conf) throws IOException {
 this.namenode = namenode;
 this.encryptDataTransfer = encryptDataTransfer;
 this.timer = new Timer();
 final ExportedBlockKeys keys = namenode.getBlockKeys();
 this.isBlockTokenEnabled = keys.isBlockTokenEnabled();
 if (isBlockTokenEnabled) {
  long updateInterval = keys.getKeyUpdateInterval();
  long tokenLifetime = keys.getTokenLifetime();
  LOG.info("Block token params received from NN: update interval="
    + StringUtils.formatTime(updateInterval)
    + ", token lifetime=" + StringUtils.formatTime(tokenLifetime));
  String encryptionAlgorithm = conf.get(
    DFSConfigKeys.DFS_DATA_ENCRYPTION_ALGORITHM_KEY);
  this.blockTokenSecretManager = new BlockTokenSecretManager(
    updateInterval, tokenLifetime, blockpoolID, encryptionAlgorithm);
  this.blockTokenSecretManager.addKeys(keys);
  // sync block keys with NN more frequently than NN updates its block keys
  this.blockKeyUpdater = new BlockKeyUpdater(updateInterval / 4);
  this.shouldRun = true;
 } else {
  this.blockTokenSecretManager = null;
  this.blockKeyUpdater = null;
 }
}

when(namenode.getBlockKeys()).thenReturn(btsm.exportKeys());