001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client.replication;
019
020import static org.junit.Assert.assertEquals;
021
022import java.io.IOException;
023import java.util.ArrayList;
024import java.util.HashMap;
025import java.util.List;
026import java.util.Map;
027import org.apache.hadoop.fs.Path;
028import org.apache.hadoop.hbase.HBaseClassTestRule;
029import org.apache.hadoop.hbase.HBaseTestingUtil;
030import org.apache.hadoop.hbase.HConstants;
031import org.apache.hadoop.hbase.TableName;
032import org.apache.hadoop.hbase.client.Admin;
033import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
034import org.apache.hadoop.hbase.replication.ReplicationPeerConfigBuilder;
035import org.apache.hadoop.hbase.testclassification.ClientTests;
036import org.apache.hadoop.hbase.testclassification.MediumTests;
037import org.apache.hadoop.hbase.util.Bytes;
038import org.junit.AfterClass;
039import org.junit.BeforeClass;
040import org.junit.ClassRule;
041import org.junit.Test;
042import org.junit.experimental.categories.Category;
043import org.slf4j.Logger;
044import org.slf4j.LoggerFactory;
045
046@Category({ MediumTests.class, ClientTests.class })
047public class TestReplicationAdminForSyncReplication {
048
049  @ClassRule
050  public static final HBaseClassTestRule CLASS_RULE =
051    HBaseClassTestRule.forClass(TestReplicationAdminForSyncReplication.class);
052
053  private static final Logger LOG =
054    LoggerFactory.getLogger(TestReplicationAdminForSyncReplication.class);
055
056  private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
057
058  private static Admin hbaseAdmin;
059
060  @BeforeClass
061  public static void setUpBeforeClass() throws Exception {
062    TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 1);
063    TEST_UTIL.startMiniCluster();
064    hbaseAdmin = TEST_UTIL.getAdmin();
065  }
066
067  @AfterClass
068  public static void tearDownAfterClass() throws Exception {
069    hbaseAdmin.close();
070    TEST_UTIL.shutdownMiniCluster();
071  }
072
073  @Test
074  public void testAddPeerWithSameTable() throws Exception {
075    TableName tableName = TableName.valueOf("testAddPeerWithSameTable");
076    TEST_UTIL.createTable(tableName, Bytes.toBytes("family"));
077
078    boolean[] success = { true, true, true, true, true, true };
079    Thread[] threads = new Thread[5];
080    for (int i = 0; i < 5; i++) {
081      String peerId = "id" + i;
082      String clusterKey = TEST_UTIL.getZkConnectionURI() + "-test" + i;
083      int index = i;
084      threads[i] = new Thread(() -> {
085        try {
086          hbaseAdmin.addReplicationPeer(peerId,
087            buildSyncReplicationPeerConfig(clusterKey, tableName));
088        } catch (IOException e) {
089          LOG.error("Failed to add replication peer " + peerId);
090          success[index] = false;
091        }
092      });
093    }
094    for (int i = 0; i < 5; i++) {
095      threads[i].start();
096    }
097    for (int i = 0; i < 5; i++) {
098      threads[i].join();
099    }
100
101    int successCount = 0;
102    for (int i = 0; i < 5; i++) {
103      if (success[i]) {
104        successCount++;
105      }
106    }
107    assertEquals("Only one peer can be added successfully", 1, successCount);
108  }
109
110  private ReplicationPeerConfig buildSyncReplicationPeerConfig(String clusterKey,
111    TableName tableName) throws IOException {
112    Path rootDir = TEST_UTIL.getDataTestDirOnTestFS("remoteWAL");
113    ReplicationPeerConfigBuilder builder = ReplicationPeerConfig.newBuilder();
114    builder.setClusterKey(clusterKey);
115    builder.setRemoteWALDir(rootDir.makeQualified(TEST_UTIL.getTestFileSystem().getUri(),
116      TEST_UTIL.getTestFileSystem().getWorkingDirectory()).toString());
117    builder.setReplicateAllUserTables(false);
118    Map<TableName, List<String>> tableCfs = new HashMap<>();
119    tableCfs.put(tableName, new ArrayList<>());
120    builder.setTableCFsMap(tableCfs);
121    return builder.build();
122  }
123}