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.master;
019
020import static org.junit.Assert.assertEquals;
021
022import java.io.IOException;
023import java.util.HashMap;
024import java.util.List;
025import org.apache.hadoop.conf.Configuration;
026import org.apache.hadoop.hbase.HBaseClassTestRule;
027import org.apache.hadoop.hbase.HBaseTestingUtility;
028import org.apache.hadoop.hbase.MiniHBaseCluster;
029import org.apache.hadoop.hbase.ServerName;
030import org.apache.hadoop.hbase.StartMiniClusterOption;
031import org.apache.hadoop.hbase.replication.ReplicationLoadSource;
032import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
033import org.apache.hadoop.hbase.testclassification.MasterTests;
034import org.apache.hadoop.hbase.testclassification.MediumTests;
035import org.apache.hadoop.hbase.util.Pair;
036import org.apache.zookeeper.KeeperException;
037import org.junit.AfterClass;
038import org.junit.BeforeClass;
039import org.junit.ClassRule;
040import org.junit.Test;
041import org.junit.experimental.categories.Category;
042import org.slf4j.Logger;
043import org.slf4j.LoggerFactory;
044
045import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
046import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;
047import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos;
048
049@Category({ MasterTests.class, MediumTests.class })
050public class TestGetReplicationLoad {
051  @ClassRule
052  public static final HBaseClassTestRule CLASS_RULE =
053    HBaseClassTestRule.forClass(TestGetReplicationLoad.class);
054
055  private static final Logger LOG = LoggerFactory.getLogger(TestGetReplicationLoad.class);
056
057  private static MiniHBaseCluster cluster;
058  private static HMaster master;
059  private static HBaseTestingUtility TEST_UTIL;
060
061  public static class MyMaster extends HMaster {
062    public MyMaster(Configuration conf) throws IOException, KeeperException, InterruptedException {
063      super(conf);
064    }
065
066    @Override
067    protected void tryRegionServerReport(long reportStartTime, long reportEndTime) {
068      // do nothing
069    }
070  }
071
072  @BeforeClass
073  public static void startCluster() throws Exception {
074    LOG.info("Starting cluster");
075    TEST_UTIL = new HBaseTestingUtility();
076    // Set master class and use default values for other options.
077    StartMiniClusterOption option =
078      StartMiniClusterOption.builder().masterClass(TestMasterMetrics.MyMaster.class).build();
079    TEST_UTIL.startMiniCluster(option);
080    cluster = TEST_UTIL.getHBaseCluster();
081    LOG.info("Waiting for active/ready master");
082    cluster.waitForActiveAndReadyMaster();
083    master = cluster.getMaster();
084  }
085
086  @AfterClass
087  public static void after() throws Exception {
088    if (TEST_UTIL != null) {
089      TEST_UTIL.shutdownMiniCluster();
090    }
091  }
092
093  @Test
094  public void testGetReplicationMetrics() throws Exception {
095    String peer1 = "test1", peer2 = "test2", queueId = "1";
096    long ageOfLastShippedOp = 2, replicationLag = 3, timeStampOfLastShippedOp = 4,
097        timeStampOfNextToReplicate = 5, editsRead = 6, oPsShipped = 7;
098    int sizeOfLogQueue = 8;
099    boolean recovered = false, running = false, editsSinceRestart = false;
100    RegionServerStatusProtos.RegionServerReportRequest.Builder request =
101      RegionServerStatusProtos.RegionServerReportRequest.newBuilder();
102    ServerName serverName = cluster.getMaster(0).getServerName();
103    request.setServer(ProtobufUtil.toServerName(serverName));
104    ClusterStatusProtos.ReplicationLoadSource rload1 = ClusterStatusProtos.ReplicationLoadSource
105      .newBuilder().setPeerID(peer1).setAgeOfLastShippedOp(ageOfLastShippedOp)
106      .setReplicationLag(replicationLag).setTimeStampOfLastShippedOp(timeStampOfLastShippedOp)
107      .setSizeOfLogQueue(sizeOfLogQueue).setTimeStampOfNextToReplicate(timeStampOfNextToReplicate)
108      .setQueueId(queueId).setEditsRead(editsRead).setOPsShipped(oPsShipped).setRunning(running)
109      .setRecovered(recovered).setEditsSinceRestart(editsSinceRestart).build();
110    ClusterStatusProtos.ReplicationLoadSource rload2 =
111      ClusterStatusProtos.ReplicationLoadSource.newBuilder().setPeerID(peer2)
112        .setAgeOfLastShippedOp(ageOfLastShippedOp + 1).setReplicationLag(replicationLag + 1)
113        .setTimeStampOfLastShippedOp(timeStampOfLastShippedOp + 1)
114        .setSizeOfLogQueue(sizeOfLogQueue + 1)
115        .setTimeStampOfNextToReplicate(timeStampOfNextToReplicate + 1).setQueueId(queueId)
116        .setEditsRead(editsRead + 1).setOPsShipped(oPsShipped + 1).setRunning(running)
117        .setRecovered(recovered).setEditsSinceRestart(editsSinceRestart).build();
118
119    ClusterStatusProtos.ServerLoad sl = ClusterStatusProtos.ServerLoad.newBuilder()
120      .addReplLoadSource(rload1).addReplLoadSource(rload2).build();
121    request.setLoad(sl);
122    master.getReplicationPeerManager().addPeer(peer1,
123      ReplicationPeerConfig.newBuilder().setClusterKey("test").build(), true);
124    master.getReplicationPeerManager().addPeer(peer2,
125      ReplicationPeerConfig.newBuilder().setClusterKey("test").build(), true);
126    master.getMasterRpcServices().regionServerReport(null, request.build());
127    HashMap<String, List<Pair<ServerName, ReplicationLoadSource>>> replicationLoad =
128      master.getReplicationLoad(new ServerName[] { serverName });
129    assertEquals("peer size ", 2, replicationLoad.size());
130    assertEquals("load size ", 1, replicationLoad.get(peer1).size());
131    assertEquals("log queue size of peer1", sizeOfLogQueue,
132      replicationLoad.get(peer1).get(0).getSecond().getSizeOfLogQueue());
133    assertEquals("replication lag of peer2", replicationLag + 1,
134      replicationLoad.get(peer2).get(0).getSecond().getReplicationLag());
135    master.stopMaster();
136  }
137}