How to use

org.apache.hadoop.hdfs.server.balancer.KeyManager

constructor

public NameNodeConnector(String name, URI nameNodeUri, Path idPath,
             List<Path> targetPaths, Configuration conf,
             int maxNotChangedIterations)
  throws IOException {
 this.nameNodeUri = nameNodeUri;
 this.idPath = idPath;
 this.targetPaths = targetPaths == null || targetPaths.isEmpty() ? Arrays
   .asList(new Path("/")) : targetPaths;
 this.maxNotChangedIterations = maxNotChangedIterations;
 this.namenode = NameNodeProxies.createProxy(conf, nameNodeUri,
   NamenodeProtocol.class).getProxy();
 this.client = NameNodeProxies.createProxy(conf, nameNodeUri,
   ClientProtocol.class, fallbackToSimpleAuth).getProxy();
 this.fs = (DistributedFileSystem)FileSystem.get(nameNodeUri, conf);
 final NamespaceInfo namespaceinfo = namenode.versionRequest();
 this.blockpoolID = namespaceinfo.getBlockPoolID();
 final FsServerDefaults defaults = fs.getServerDefaults(new Path("/"));
 this.keyManager = new KeyManager(blockpoolID, namenode,
   defaults.getEncryptDataTransfer(), conf);
 // if it is for test, we do not create the id file
 if (checkOtherInstanceRunning) {
  out = checkAndMarkRunning();
  if (out == null) {
   // Exit if there is another one running.
   throw new IOException("Another " + name + " is running.");
  }
 }
}

public NameNodeConnector(String name, URI nameNodeUri, Path idPath,
             List<Path> targetPaths, Configuration conf,
             int maxNotChangedIterations)
  throws IOException {
 this.nameNodeUri = nameNodeUri;
 this.idPath = idPath;
 this.targetPaths = targetPaths == null || targetPaths.isEmpty() ? Arrays
   .asList(new Path("/")) : targetPaths;
 this.maxNotChangedIterations = maxNotChangedIterations;
 this.namenode = NameNodeProxies.createProxy(conf, nameNodeUri,
   NamenodeProtocol.class).getProxy();
 this.client = NameNodeProxies.createProxy(conf, nameNodeUri,
   ClientProtocol.class, fallbackToSimpleAuth).getProxy();
 this.fs = (DistributedFileSystem)FileSystem.get(nameNodeUri, conf);
 final NamespaceInfo namespaceinfo = namenode.versionRequest();
 this.blockpoolID = namespaceinfo.getBlockPoolID();
 final FsServerDefaults defaults = fs.getServerDefaults(new Path("/"));
 this.keyManager = new KeyManager(blockpoolID, namenode,
   defaults.getEncryptDataTransfer(), conf);
 // if it is for test, we do not create the id file
 out = checkAndMarkRunning();
 if (out == null) {
  // Exit if there is another one running.
  throw new IOException("Another " + name + " is running.");
 }
}

public NameNodeConnector(String name, URI nameNodeUri, Path idPath,
             List<Path> targetPaths, Configuration conf,
             int maxNotChangedIterations)
  throws IOException {
 this.nameNodeUri = nameNodeUri;
 this.idPath = idPath;
 this.targetPaths = targetPaths == null || targetPaths.isEmpty() ? Arrays
   .asList(new Path("/")) : targetPaths;
 this.maxNotChangedIterations = maxNotChangedIterations;
 this.namenode = NameNodeProxies.createProxy(conf, nameNodeUri,
   NamenodeProtocol.class).getProxy();
 this.client = NameNodeProxies.createProxy(conf, nameNodeUri,
   ClientProtocol.class, fallbackToSimpleAuth).getProxy();
 this.fs = (DistributedFileSystem)FileSystem.get(nameNodeUri, conf);
 final NamespaceInfo namespaceinfo = namenode.versionRequest();
 this.blockpoolID = namespaceinfo.getBlockPoolID();
 final FsServerDefaults defaults = fs.getServerDefaults(new Path("/"));
 this.keyManager = new KeyManager(blockpoolID, namenode,
   defaults.getEncryptDataTransfer(), conf);
 // if it is for test, we do not create the id file
 out = checkAndMarkRunning();
 if (out == null) {
  // Exit if there is another one running.
  throw new IOException("Another " + name + " is running.");
 }
}

KeyManager keyManager = new KeyManager(blockPoolId, namenode,
  true, conf);
Whitebox.setInternalState(keyManager, "timer", fakeTimer);