assertEquals(numDataNodes, cluster.getDataNodes().size());
final NameNode nn = cluster.getNameNode();
final NamenodeProtocols nnProto = nn.getRpcServer();
final BlockManager bm = nn.getNamesystem().getBlockManager();
final BlockTokenSecretManager sm = bm.getBlockTokenSecretManager();
// set a short token lifetime (1 second) initially
SecurityTestUtil.setBlockTokenLifetime(sm, 1000L);
Path fileToRead = new Path(FILE_TO_READ);
FileSystem fs = cluster.getFileSystem();
createFile(fs, fileToRead);
/*
* setup for testing expiration handling of cached tokens
*/
// read using blockSeekTo(). Acquired tokens are cached in in1
FSDataInputStream in1 = fs.open(fileToRead);
assertTrue(checkFile1(in1));
// read using blockSeekTo(). Acquired tokens are cached in in2
FSDataInputStream in2 = fs.open(fileToRead);
assertTrue(checkFile1(in2));
// read using fetchBlockByteRange(). Acquired tokens are cached in in3
FSDataInputStream in3 = fs.open(fileToRead);
assertTrue(checkFile2(in3));
/*
* testing READ interface on DN using a BlockReader
*/
new DFSClient(new InetSocketAddress("localhost",
cluster.getNameNodePort()), conf);
List<LocatedBlock> locatedBlocks = nnProto.getBlockLocations(
FILE_TO_READ, 0, FILE_SIZE).getLocatedBlocks();
LocatedBlock lblock = locatedBlocks.get(0); // first block
Token<BlockTokenIdentifier> myToken = lblock.getBlockToken();
// verify token is not expired
assertFalse(SecurityTestUtil.isBlockTokenExpired(myToken));
// read with valid token, should succeed
tryRead(conf, lblock, true);
/*
* wait till myToken and all cached tokens in in1, in2 and in3 expire
*/
while (!SecurityTestUtil.isBlockTokenExpired(myToken)) {
try {
Thread.sleep(10);
} catch (InterruptedException ignored) {
}
}
/*
* continue testing READ interface on DN using a BlockReader
*/
// verify token is expired
assertTrue(SecurityTestUtil.isBlockTokenExpired(myToken));
// read should fail
tryRead(conf, lblock, false);
// use a valid new token
lblock.setBlockToken(sm.generateToken(lblock.getBlock(),
EnumSet.of(BlockTokenSecretManager.AccessMode.READ)));
// read should succeed
tryRead(conf, lblock, true);
// use a token with wrong blockID
ExtendedBlock wrongBlock = new ExtendedBlock(lblock.getBlock()
.getBlockPoolId(), lblock.getBlock().getBlockId() + 1);
lblock.setBlockToken(sm.generateToken(wrongBlock,
EnumSet.of(BlockTokenSecretManager.AccessMode.READ)));
// read should fail
tryRead(conf, lblock, false);
// use a token with wrong access modes
lblock.setBlockToken(sm.generateToken(lblock.getBlock(),
EnumSet.of(BlockTokenSecretManager.AccessMode.WRITE,
BlockTokenSecretManager.AccessMode.COPY,
BlockTokenSecretManager.AccessMode.REPLACE)));
// read should fail
tryRead(conf, lblock, false);