001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
003 * agreements. See the NOTICE file distributed with this work for additional information regarding
004 * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
005 * "License"); you may not use this file except in compliance with the License. You may obtain a
006 * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable
007 * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
008 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
009 * for the specific language governing permissions and limitations under the License.
010 */
011package org.apache.hadoop.hbase.master;
012
013import static org.junit.Assert.assertEquals;
014
015import java.io.IOException;
016import java.util.HashMap;
017import java.util.List;
018
019import org.apache.hadoop.conf.Configuration;
020import org.apache.hadoop.hbase.HBaseClassTestRule;
021import org.apache.hadoop.hbase.HBaseTestingUtility;
022import org.apache.hadoop.hbase.MiniHBaseCluster;
023import org.apache.hadoop.hbase.ServerName;
024import org.apache.hadoop.hbase.StartMiniClusterOption;
025import org.apache.hadoop.hbase.replication.ReplicationLoadSource;
026import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
027import org.apache.hadoop.hbase.testclassification.MasterTests;
028import org.apache.hadoop.hbase.testclassification.MediumTests;
029import org.apache.hadoop.hbase.util.Pair;
030import org.apache.zookeeper.KeeperException;
031import org.junit.AfterClass;
032import org.junit.BeforeClass;
033import org.junit.ClassRule;
034import org.junit.Test;
035import org.junit.experimental.categories.Category;
036import org.slf4j.Logger;
037import org.slf4j.LoggerFactory;
038
039import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
040import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;
041import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos;
042
043@Category({ MasterTests.class, MediumTests.class })
044public class TestGetReplicationLoad {
045  @ClassRule
046  public static final HBaseClassTestRule CLASS_RULE =
047      HBaseClassTestRule.forClass(TestGetReplicationLoad.class);
048
049  private static final Logger LOG = LoggerFactory.getLogger(TestGetReplicationLoad.class);
050
051  private static MiniHBaseCluster cluster;
052  private static HMaster master;
053  private static HBaseTestingUtility TEST_UTIL;
054
055  public static class MyMaster extends HMaster {
056    public MyMaster(Configuration conf) throws IOException, KeeperException, InterruptedException {
057      super(conf);
058    }
059
060    @Override
061    protected void tryRegionServerReport(long reportStartTime, long reportEndTime) {
062      // do nothing
063    }
064  }
065
066  @BeforeClass
067  public static void startCluster() throws Exception {
068    LOG.info("Starting cluster");
069    TEST_UTIL = new HBaseTestingUtility();
070    // Set master class and use default values for other options.
071    StartMiniClusterOption option = StartMiniClusterOption.builder()
072        .masterClass(TestMasterMetrics.MyMaster.class).build();
073    TEST_UTIL.startMiniCluster(option);
074    cluster = TEST_UTIL.getHBaseCluster();
075    LOG.info("Waiting for active/ready master");
076    cluster.waitForActiveAndReadyMaster();
077    master = cluster.getMaster();
078  }
079
080  @AfterClass
081  public static void after() throws Exception {
082    if (TEST_UTIL != null) {
083      TEST_UTIL.shutdownMiniCluster();
084    }
085  }
086
087  @Test
088  public void testGetReplicationMetrics() throws Exception {
089    String peer1 = "test1", peer2 = "test2", queueId="1";
090    long ageOfLastShippedOp = 2,
091        replicationLag = 3,
092        timeStampOfLastShippedOp = 4,
093        timeStampOfNextToReplicate=5,
094        editsRead=6,
095        oPsShipped=7;
096    int sizeOfLogQueue = 8;
097    boolean recovered=false,
098        running=false,
099        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)
106        .setAgeOfLastShippedOp(ageOfLastShippedOp)
107        .setReplicationLag(replicationLag)
108        .setTimeStampOfLastShippedOp(timeStampOfLastShippedOp)
109        .setSizeOfLogQueue(sizeOfLogQueue)
110        .setTimeStampOfNextToReplicate(timeStampOfNextToReplicate)
111        .setQueueId(queueId)
112        .setEditsRead(editsRead)
113        .setOPsShipped(oPsShipped)
114        .setRunning(running)
115        .setRecovered(recovered)
116        .setEditsSinceRestart(editsSinceRestart)
117        .build();
118    ClusterStatusProtos.ReplicationLoadSource rload2 =
119        ClusterStatusProtos.ReplicationLoadSource
120            .newBuilder()
121            .setPeerID(peer2)
122            .setAgeOfLastShippedOp(ageOfLastShippedOp + 1)
123            .setReplicationLag(replicationLag + 1)
124            .setTimeStampOfLastShippedOp(timeStampOfLastShippedOp + 1)
125            .setSizeOfLogQueue(sizeOfLogQueue + 1)
126            .setTimeStampOfNextToReplicate(timeStampOfNextToReplicate+1)
127            .setQueueId(queueId)
128            .setEditsRead(editsRead+1)
129            .setOPsShipped(oPsShipped+1)
130            .setRunning(running)
131            .setRecovered(recovered)
132            .setEditsSinceRestart(editsSinceRestart)
133            .build();
134
135    ClusterStatusProtos.ServerLoad sl = ClusterStatusProtos.ServerLoad.newBuilder()
136        .addReplLoadSource(rload1).addReplLoadSource(rload2).build();
137    request.setLoad(sl);
138    master.getReplicationPeerManager().addPeer(peer1,
139      ReplicationPeerConfig.newBuilder().setClusterKey("test").build(), true);
140    master.getReplicationPeerManager().addPeer(peer2,
141      ReplicationPeerConfig.newBuilder().setClusterKey("test").build(), true);
142    master.getMasterRpcServices().regionServerReport(null, request.build());
143    HashMap<String, List<Pair<ServerName, ReplicationLoadSource>>> replicationLoad =
144        master.getReplicationLoad(new ServerName[] { serverName });
145    assertEquals("peer size ", 2, replicationLoad.size());
146    assertEquals("load size ", 1, replicationLoad.get(peer1).size());
147    assertEquals("log queue size of peer1", sizeOfLogQueue,
148      replicationLoad.get(peer1).get(0).getSecond().getSizeOfLogQueue());
149    assertEquals("replication lag of peer2", replicationLag + 1,
150      replicationLoad.get(peer2).get(0).getSecond().getReplicationLag());
151    master.stopMaster();
152  }
153}