| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.bookkeeper.client; |
| |
| import static org.apache.bookkeeper.meta.MetadataDrivers.runFunctionWithLedgerManagerFactory; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.util.concurrent.UncheckedExecutionException; |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import lombok.Cleanup; |
| import org.apache.bookkeeper.client.BookKeeper.DigestType; |
| import org.apache.bookkeeper.client.api.LedgerMetadata; |
| import org.apache.bookkeeper.meta.HierarchicalLedgerManagerFactory; |
| import org.apache.bookkeeper.meta.LedgerIdGenerator; |
| import org.apache.bookkeeper.meta.LedgerManager; |
| import org.apache.bookkeeper.meta.LedgerManagerFactory; |
| import org.apache.bookkeeper.meta.LongHierarchicalLedgerManagerFactory; |
| import org.apache.bookkeeper.net.BookieId; |
| import org.apache.bookkeeper.net.BookieSocketAddress; |
| import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.GenericCallback; |
| import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.LedgerMetadataListener; |
| import org.apache.bookkeeper.test.BookKeeperClusterTestCase; |
| import org.apache.bookkeeper.versioning.Version; |
| import org.apache.bookkeeper.versioning.Versioned; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Test an EnsembleChange watcher. |
| */ |
| @RunWith(Parameterized.class) |
| public class TestWatchEnsembleChange extends BookKeeperClusterTestCase { |
| |
| static final Logger LOG = LoggerFactory.getLogger(TestWatchEnsembleChange.class); |
| |
| final DigestType digestType; |
| final Class<? extends LedgerManagerFactory> lmFactoryCls; |
| |
| public TestWatchEnsembleChange(Class<? extends LedgerManagerFactory> lmFactoryCls) { |
| super(7); |
| this.digestType = DigestType.CRC32; |
| this.lmFactoryCls = lmFactoryCls; |
| baseClientConf.setLedgerManagerFactoryClass(lmFactoryCls); |
| baseConf.setLedgerManagerFactoryClass(lmFactoryCls); |
| } |
| |
| @SuppressWarnings("deprecation") |
| @Parameters |
| public static Collection<Object[]> configs() { |
| return Arrays.asList(new Object[][] { |
| { org.apache.bookkeeper.meta.FlatLedgerManagerFactory.class }, |
| { HierarchicalLedgerManagerFactory.class }, |
| { LongHierarchicalLedgerManagerFactory.class }, |
| { org.apache.bookkeeper.meta.MSLedgerManagerFactory.class }, |
| }); |
| } |
| |
| @Test |
| public void testWatchEnsembleChange() throws Exception { |
| int numEntries = 10; |
| LedgerHandle lh = bkc.createLedger(3, 3, 3, digestType, "".getBytes()); |
| for (int i = 0; i < numEntries; i++) { |
| lh.addEntry(("data" + i).getBytes()); |
| LOG.info("Added entry {}.", i); |
| } |
| LedgerHandle readLh = bkc.openLedgerNoRecovery(lh.getId(), digestType, "".getBytes()); |
| long lastLAC = readLh.getLastAddConfirmed(); |
| assertEquals(numEntries - 2, lastLAC); |
| List<BookieId> ensemble = |
| lh.getCurrentEnsemble(); |
| for (BookieId addr : ensemble) { |
| killBookie(addr); |
| } |
| // write another batch of entries, which will trigger ensemble change |
| for (int i = 0; i < numEntries; i++) { |
| lh.addEntry(("data" + (numEntries + i)).getBytes()); |
| LOG.info("Added entry {}.", (numEntries + i)); |
| } |
| TimeUnit.SECONDS.sleep(5); |
| readLh.readLastConfirmed(); |
| assertEquals(2 * numEntries - 2, readLh.getLastAddConfirmed()); |
| readLh.close(); |
| lh.close(); |
| } |
| |
| @Test |
| public void testWatchMetadataRemoval() throws Exception { |
| baseConf.setMetadataServiceUri(zkUtil.getMetadataServiceUri()); |
| runFunctionWithLedgerManagerFactory(baseConf, factory -> { |
| try { |
| testWatchMetadataRemoval(factory); |
| } catch (Exception e) { |
| throw new UncheckedExecutionException(e.getMessage(), e); |
| } |
| return null; |
| }); |
| } |
| |
| private void testWatchMetadataRemoval(LedgerManagerFactory factory) throws Exception { |
| @Cleanup final LedgerManager manager = factory.newLedgerManager(); |
| @Cleanup LedgerIdGenerator idGenerator = factory.newLedgerIdGenerator(); |
| |
| final ByteBuffer bbLedgerId = ByteBuffer.allocate(8); |
| final CountDownLatch createLatch = new CountDownLatch(1); |
| final CountDownLatch removeLatch = new CountDownLatch(1); |
| |
| List<BookieId> ensemble = Lists.newArrayList(new BookieSocketAddress("192.0.2.1", 1234).toBookieId(), |
| new BookieSocketAddress("192.0.2.2", 1234).toBookieId(), |
| new BookieSocketAddress("192.0.2.3", 1234).toBookieId(), |
| new BookieSocketAddress("192.0.2.4", 1234).toBookieId()); |
| idGenerator.generateLedgerId(new GenericCallback<Long>() { |
| @Override |
| public void operationComplete(int rc, final Long lid) { |
| LedgerMetadata metadata = LedgerMetadataBuilder.create() |
| .withId(lid) |
| .withDigestType(digestType.toApiDigestType()).withPassword(new byte[0]) |
| .withEnsembleSize(4).withWriteQuorumSize(2) |
| .withAckQuorumSize(2) |
| .newEnsembleEntry(0L, ensemble).build(); |
| manager.createLedgerMetadata(lid, metadata) |
| .whenComplete((result, exception) -> { |
| bbLedgerId.putLong(lid); |
| bbLedgerId.flip(); |
| createLatch.countDown(); |
| }); |
| } |
| }); |
| |
| assertTrue(createLatch.await(2000, TimeUnit.MILLISECONDS)); |
| final long createdLid = bbLedgerId.getLong(); |
| |
| manager.registerLedgerMetadataListener(createdLid, |
| new LedgerMetadataListener() { |
| |
| @Override |
| public void onChanged(long ledgerId, Versioned<LedgerMetadata> metadata) { |
| assertEquals(ledgerId, createdLid); |
| assertEquals(metadata, null); |
| removeLatch.countDown(); |
| } |
| }); |
| |
| manager.removeLedgerMetadata(createdLid, Version.ANY).get(2, TimeUnit.SECONDS); |
| assertTrue(removeLatch.await(2, TimeUnit.SECONDS)); |
| } |
| } |