use of org.apache.bookkeeper.meta.ZkVersion in project distributedlog by twitter.
the class TestLedgerAllocator method testSuccessAllocatorShouldDeleteUnusedledger.
@Test(timeout = 60000)
public void testSuccessAllocatorShouldDeleteUnusedledger() throws Exception {
String allocationPath = "/allocation-delete-unused-ledger";
zkc.get().create(allocationPath, new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
Stat stat = new Stat();
byte[] data = zkc.get().getData(allocationPath, false, stat);
Versioned<byte[]> allocationData = new Versioned<byte[]>(data, new ZkVersion(stat.getVersion()));
SimpleLedgerAllocator allocator1 = new SimpleLedgerAllocator(allocationPath, allocationData, newQuorumConfigProvider(dlConf), zkc, bkc);
allocator1.allocate();
// wait until allocated
ZKTransaction txn1 = newTxn();
LedgerHandle lh1 = FutureUtils.result(allocator1.tryObtain(txn1, NULL_LISTENER));
// Second allocator kicks in
stat = new Stat();
data = zkc.get().getData(allocationPath, false, stat);
allocationData = new Versioned<byte[]>(data, new ZkVersion(stat.getVersion()));
SimpleLedgerAllocator allocator2 = new SimpleLedgerAllocator(allocationPath, allocationData, newQuorumConfigProvider(dlConf), zkc, bkc);
allocator2.allocate();
// wait until allocated
ZKTransaction txn2 = newTxn();
LedgerHandle lh2 = FutureUtils.result(allocator2.tryObtain(txn2, NULL_LISTENER));
// should fail to commit txn1 as version is changed by second allocator
try {
FutureUtils.result(txn1.execute());
fail("Should fail commit obtaining ledger handle from first allocator as allocator is modified by second allocator.");
} catch (ZKException ke) {
// as expected
}
FutureUtils.result(txn2.execute());
Utils.close(allocator1);
Utils.close(allocator2);
// ledger handle should be deleted
try {
lh1.close();
fail("LedgerHandle allocated by allocator1 should be deleted.");
} catch (BKException bke) {
// as expected
}
try {
bkc.get().openLedger(lh1.getId(), BookKeeper.DigestType.CRC32, dlConf.getBKDigestPW().getBytes());
fail("LedgerHandle allocated by allocator1 should be deleted.");
} catch (BKException.BKNoSuchLedgerExistsException nslee) {
// as expected
}
long eid = lh2.addEntry("hello world".getBytes());
lh2.close();
LedgerHandle readLh = bkc.get().openLedger(lh2.getId(), BookKeeper.DigestType.CRC32, dlConf.getBKDigestPW().getBytes());
Enumeration<LedgerEntry> entries = readLh.readEntries(eid, eid);
int i = 0;
while (entries.hasMoreElements()) {
LedgerEntry entry = entries.nextElement();
assertEquals("hello world", new String(entry.getEntry(), UTF_8));
++i;
}
assertEquals(1, i);
}
use of org.apache.bookkeeper.meta.ZkVersion in project distributedlog by twitter.
the class TestZKLogSegmentMetadataStore method testStoreMaxTxnIdBadVersion.
@Test(timeout = 60000)
public void testStoreMaxTxnIdBadVersion() throws Exception {
Transaction<Object> updateTxn = lsmStore.transaction();
Versioned<Long> value = new Versioned<Long>(999L, new ZkVersion(10));
final Promise<Version> result = new Promise<Version>();
lsmStore.storeMaxTxnId(updateTxn, rootZkPath, value, new Transaction.OpListener<Version>() {
@Override
public void onCommit(Version r) {
result.setValue(r);
}
@Override
public void onAbort(Throwable t) {
result.setException(t);
}
});
try {
FutureUtils.result(updateTxn.execute());
fail("Should fail on storing log record transaction id if providing bad version");
} catch (ZKException zke) {
assertEquals(KeeperException.Code.BADVERSION, zke.getKeeperExceptionCode());
}
try {
Await.result(result);
fail("Should fail on storing log record transaction id if providing bad version");
} catch (KeeperException ke) {
assertEquals(KeeperException.Code.BADVERSION, ke.code());
}
Stat stat = new Stat();
byte[] data = zkc.get().getData(rootZkPath, false, stat);
assertEquals(0, stat.getVersion());
assertEquals(0, data.length);
}
use of org.apache.bookkeeper.meta.ZkVersion in project distributedlog by twitter.
the class TestZKLogSegmentMetadataStore method testStoreMaxLogSegmentSequenceNumberOnNonExistentPath.
@Test(timeout = 60000)
public void testStoreMaxLogSegmentSequenceNumberOnNonExistentPath() throws Exception {
Transaction<Object> updateTxn = lsmStore.transaction();
Versioned<Long> value = new Versioned<Long>(999L, new ZkVersion(10));
final Promise<Version> result = new Promise<Version>();
String nonExistentPath = rootZkPath + "/non-existent";
lsmStore.storeMaxLogSegmentSequenceNumber(updateTxn, nonExistentPath, value, new Transaction.OpListener<Version>() {
@Override
public void onCommit(Version r) {
result.setValue(r);
}
@Override
public void onAbort(Throwable t) {
result.setException(t);
}
});
try {
FutureUtils.result(updateTxn.execute());
fail("Should fail on storing log segment sequence number if path doesn't exist");
} catch (ZKException zke) {
assertEquals(KeeperException.Code.NONODE, zke.getKeeperExceptionCode());
}
try {
Await.result(result);
fail("Should fail on storing log segment sequence number if path doesn't exist");
} catch (KeeperException ke) {
assertEquals(KeeperException.Code.NONODE, ke.code());
}
}
use of org.apache.bookkeeper.meta.ZkVersion in project distributedlog by twitter.
the class TestZKLogSegmentMetadataStore method testStoreMaxLogSegmentSequenceNumber.
@Test(timeout = 60000)
public void testStoreMaxLogSegmentSequenceNumber() throws Exception {
Transaction<Object> updateTxn = lsmStore.transaction();
Versioned<Long> value = new Versioned<Long>(999L, new ZkVersion(0));
final Promise<Version> result = new Promise<Version>();
lsmStore.storeMaxLogSegmentSequenceNumber(updateTxn, rootZkPath, value, new Transaction.OpListener<Version>() {
@Override
public void onCommit(Version r) {
result.setValue(r);
}
@Override
public void onAbort(Throwable t) {
result.setException(t);
}
});
FutureUtils.result(updateTxn.execute());
assertEquals(1, ((ZkVersion) FutureUtils.result(result)).getZnodeVersion());
Stat stat = new Stat();
byte[] data = zkc.get().getData(rootZkPath, false, stat);
assertEquals(999L, DLUtils.deserializeLogSegmentSequenceNumber(data));
assertEquals(1, stat.getVersion());
}
use of org.apache.bookkeeper.meta.ZkVersion in project distributedlog by twitter.
the class TestLogSegmentsZK method getMaxLogSegmentSequenceNo.
private static MaxLogSegmentSequenceNo getMaxLogSegmentSequenceNo(ZooKeeperClient zkc, URI uri, String streamName, DistributedLogConfiguration conf) throws Exception {
Stat stat = new Stat();
String logSegmentsPath = ZKLogMetadata.getLogSegmentsPath(uri, streamName, conf.getUnpartitionedStreamName());
byte[] data = zkc.get().getData(logSegmentsPath, false, stat);
Versioned<byte[]> maxLSSNData = new Versioned<byte[]>(data, new ZkVersion(stat.getVersion()));
return new MaxLogSegmentSequenceNo(maxLSSNData);
}
Aggregations