| /** |
| * 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.hadoop.hbase.replication.regionserver; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.IOException; |
| import java.io.UncheckedIOException; |
| import java.util.UUID; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.CellUtil; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.Waiter.ExplainingPredicate; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; |
| import org.apache.hadoop.hbase.replication.BaseReplicationEndpoint; |
| import org.apache.hadoop.hbase.replication.ReplicationPeerConfig; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.ReplicationTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread; |
| import org.apache.hadoop.hbase.wal.WAL; |
| import org.apache.hadoop.hbase.wal.WAL.Entry; |
| import org.apache.hadoop.hbase.wal.WALFactory; |
| import org.apache.hadoop.hbase.wal.WALProvider; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * Testcase for HBASE-20624. |
| */ |
| @Category({ ReplicationTests.class, MediumTests.class }) |
| public class TestRaceWhenCreatingReplicationSource { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestRaceWhenCreatingReplicationSource.class); |
| |
| private static final HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| |
| private static String PEER_ID = "1"; |
| |
| private static TableName TABLE_NAME = TableName.valueOf("race"); |
| |
| private static byte[] CF = Bytes.toBytes("CF"); |
| |
| private static byte[] CQ = Bytes.toBytes("CQ"); |
| |
| private static FileSystem FS; |
| |
| private static Path LOG_PATH; |
| |
| private static WALProvider.Writer WRITER; |
| |
| private static volatile boolean NULL_UUID = true; |
| |
| public static final class LocalReplicationEndpoint extends BaseReplicationEndpoint { |
| |
| private static final UUID PEER_UUID = UTIL.getRandomUUID(); |
| |
| @Override |
| public UUID getPeerUUID() { |
| if (NULL_UUID) { |
| return null; |
| } else { |
| return PEER_UUID; |
| } |
| } |
| |
| @Override |
| public boolean replicate(ReplicateContext replicateContext) { |
| synchronized (WRITER) { |
| try { |
| for (Entry entry : replicateContext.getEntries()) { |
| WRITER.append(entry); |
| } |
| WRITER.sync(false); |
| } catch (IOException e) { |
| throw new UncheckedIOException(e); |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public void start() { |
| startAsync(); |
| } |
| |
| @Override |
| public void stop() { |
| stopAsync(); |
| } |
| |
| @Override |
| protected void doStart() { |
| notifyStarted(); |
| } |
| |
| @Override |
| protected void doStop() { |
| notifyStopped(); |
| } |
| |
| @Override |
| public boolean canReplicateToSameCluster() { |
| return true; |
| } |
| } |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| UTIL.getConfiguration().set(WALFactory.WAL_PROVIDER, "multiwal"); |
| // make sure that we will create a new group for the table |
| UTIL.getConfiguration().setInt("hbase.wal.regiongrouping.numgroups", 8); |
| UTIL.startMiniCluster(3); |
| Path dir = UTIL.getDataTestDirOnTestFS(); |
| FS = UTIL.getTestFileSystem(); |
| LOG_PATH = new Path(dir, "replicated"); |
| WRITER = WALFactory.createWALWriter(FS, LOG_PATH, UTIL.getConfiguration()); |
| UTIL.getAdmin().addReplicationPeer(PEER_ID, |
| ReplicationPeerConfig.newBuilder().setClusterKey("127.0.0.1:2181:/hbase") |
| .setReplicationEndpointImpl(LocalReplicationEndpoint.class.getName()).build(), |
| true); |
| } |
| |
| @AfterClass |
| public static void tearDownAfterClass() throws Exception { |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testRace() throws Exception { |
| UTIL.waitFor(30000, new ExplainingPredicate<Exception>() { |
| |
| @Override |
| public boolean evaluate() throws Exception { |
| for (RegionServerThread t : UTIL.getMiniHBaseCluster().getRegionServerThreads()) { |
| ReplicationSource source = |
| (ReplicationSource) ((Replication) t.getRegionServer().getReplicationSourceService()) |
| .getReplicationManager().getSource(PEER_ID); |
| if (source == null || source.getReplicationEndpoint() == null) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public String explainFailure() throws Exception { |
| return "Replication source has not been initialized yet"; |
| } |
| }); |
| UTIL.getAdmin().createTable( |
| TableDescriptorBuilder.newBuilder(TABLE_NAME).setColumnFamily(ColumnFamilyDescriptorBuilder |
| .newBuilder(CF).setScope(HConstants.REPLICATION_SCOPE_GLOBAL).build()).build()); |
| UTIL.waitTableAvailable(TABLE_NAME); |
| try (Table table = UTIL.getConnection().getTable(TABLE_NAME)) { |
| table.put(new Put(Bytes.toBytes(1)).addColumn(CF, CQ, Bytes.toBytes(1))); |
| } |
| NULL_UUID = false; |
| UTIL.waitFor(30000, new ExplainingPredicate<Exception>() { |
| |
| @Override |
| public boolean evaluate() throws Exception { |
| try (WAL.Reader reader = WALFactory.createReader(FS, LOG_PATH, UTIL.getConfiguration())) { |
| return reader.next() != null; |
| } catch (IOException e) { |
| return false; |
| } |
| } |
| |
| @Override |
| public String explainFailure() throws Exception { |
| return "Replication has not catched up"; |
| } |
| }); |
| try (WAL.Reader reader = WALFactory.createReader(FS, LOG_PATH, UTIL.getConfiguration())) { |
| Cell cell = reader.next().getEdit().getCells().get(0); |
| assertEquals(1, Bytes.toInt(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength())); |
| assertArrayEquals(CF, CellUtil.cloneFamily(cell)); |
| assertArrayEquals(CQ, CellUtil.cloneQualifier(cell)); |
| assertEquals(1, |
| Bytes.toInt(cell.getValueArray(), cell.getValueOffset(), cell.getValueLength())); |
| } |
| } |
| } |