hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestGetReplicationLoad.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
   3  * agreements. See the NOTICE file distributed with this work for additional information regarding
   4  * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
   5  * "License"); you may not use this file except in compliance with the License. You may obtain a
   6  * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable
   7  * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
   8  * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
   9  * for the specific language governing permissions and limitations under the License.
  10  */
  11 package org.apache.hadoop.hbase.master;
  12
  13 import static org.junit.Assert.assertEquals;
  14
  15 import java.io.IOException;
  16 import java.util.HashMap;
  17 import java.util.List;
  18
  19 import org.apache.hadoop.conf.Configuration;
  20 import org.apache.hadoop.hbase.HBaseClassTestRule;
  21 import org.apache.hadoop.hbase.HBaseTestingUtility;
  22 import org.apache.hadoop.hbase.MiniHBaseCluster;
  23 import org.apache.hadoop.hbase.ServerName;
  24 import org.apache.hadoop.hbase.StartMiniClusterOption;
  25 import org.apache.hadoop.hbase.replication.ReplicationLoadSource;
  26 import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
  27 import org.apache.hadoop.hbase.testclassification.MasterTests;
  28 import org.apache.hadoop.hbase.testclassification.MediumTests;
  29 import org.apache.hadoop.hbase.util.Pair;
  30 import org.apache.zookeeper.KeeperException;
  31 import org.junit.AfterClass;
  32 import org.junit.BeforeClass;
  33 import org.junit.ClassRule;
  34 import org.junit.Test;
  35 import org.junit.experimental.categories.Category;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
  40 import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;
  41 import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos;
  42
  43 @Category({ MasterTests.class, MediumTests.class })
  44 public class TestGetReplicationLoad {
  45   @ClassRule
  46   public static final HBaseClassTestRule CLASS_RULE =
  47       HBaseClassTestRule.forClass(TestGetReplicationLoad.class);
  48
  49   private static final Logger LOG = LoggerFactory.getLogger(TestGetReplicationLoad.class);
  50
  51   private static MiniHBaseCluster cluster;
  52   private static HMaster master;
  53   private static HBaseTestingUtility TEST_UTIL;
  54
  55   public static class MyMaster extends HMaster {
  56     public MyMaster(Configuration conf) throws IOException, KeeperException, InterruptedException {
  57       super(conf);
  58     }
  59
  60     @Override
  61     protected void tryRegionServerReport(long reportStartTime, long reportEndTime) {
  62       // do nothing
  63     }
  64   }
  65
  66   @BeforeClass
  67   public static void startCluster() throws Exception {
  68     LOG.info("Starting cluster");
  69     TEST_UTIL = new HBaseTestingUtility();
  70     // Set master class and use default values for other options.
  71     StartMiniClusterOption option = StartMiniClusterOption.builder()
  72         .masterClass(TestMasterMetrics.MyMaster.class).build();
  73     TEST_UTIL.startMiniCluster(option);
  74     cluster = TEST_UTIL.getHBaseCluster();
  75     LOG.info("Waiting for active/ready master");
  76     cluster.waitForActiveAndReadyMaster();
  77     master = cluster.getMaster();
  78   }
  79
  80   @AfterClass
  81   public static void after() throws Exception {
  82     if (TEST_UTIL != null) {
  83       TEST_UTIL.shutdownMiniCluster();
  84     }
  85   }
  86
  87   @Test
  88   public void testGetReplicationMetrics() throws Exception {
  89     String peer1 = "test1", peer2 = "test2", queueId="1";
  90     long ageOfLastShippedOp = 2,
  91         replicationLag = 3,
  92         timeStampOfLastShippedOp = 4,
  93         timeStampOfNextToReplicate=5,
  94         editsRead=6,
  95         oPsShipped=7;
  96     int sizeOfLogQueue = 8;
  97     boolean recovered=false,
  98         running=false,
  99         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 }