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19 package org.apache.hadoop.hbase.regionserver;
20
21 import static org.junit.Assert.assertEquals;
22
23 import java.io.IOException;
24 import java.util.List;
25 import java.util.concurrent.atomic.AtomicBoolean;
26
27 import org.apache.hadoop.conf.Configuration;
28 import org.apache.hadoop.hbase.CoordinatedStateManager;
29 import org.apache.hadoop.hbase.HBaseConfiguration;
30 import org.apache.hadoop.hbase.HBaseTestingUtility;
31 import org.apache.hadoop.hbase.HConstants;
32 import org.apache.hadoop.hbase.testclassification.LargeTests;
33 import org.apache.hadoop.hbase.LocalHBaseCluster;
34 import org.apache.hadoop.hbase.MiniHBaseCluster;
35 import org.apache.hadoop.hbase.ServerName;
36 import org.apache.hadoop.hbase.master.HMaster;
37 import org.apache.hadoop.hbase.master.ServerManager;
38 import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.NameStringPair;
39 import org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos.RegionServerStartupResponse;
40 import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread;
41 import org.apache.hadoop.hbase.util.Threads;
42 import org.junit.Test;
43 import org.junit.experimental.categories.Category;
44
45
46
47
48 @Category(LargeTests.class)
49 public class TestRSKilledWhenInitializing {
50 private static boolean masterActive = false;
51 private static AtomicBoolean firstRS = new AtomicBoolean(true);
52
53
54
55
56
57
58 @Test(timeout = 180000)
59 public void testRSTermnationAfterRegisteringToMasterBeforeCreatingEphemeralNod() throws Exception {
60
61 final int NUM_MASTERS = 1;
62 final int NUM_RS = 2;
63 firstRS.set(true);
64
65 Configuration conf = HBaseConfiguration.create();
66 conf.setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1);
67
68
69 final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf);
70 TEST_UTIL.startMiniDFSCluster(3);
71 TEST_UTIL.startMiniZKCluster();
72 TEST_UTIL.createRootDir();
73 final LocalHBaseCluster cluster =
74 new LocalHBaseCluster(conf, NUM_MASTERS, NUM_RS, HMaster.class, MockedRegionServer.class);
75 final MasterThread master = cluster.getMasters().get(0);
76 master.start();
77 try {
78 long startTime = System.currentTimeMillis();
79 while (!master.getMaster().isActiveMaster()) {
80 try {
81 Thread.sleep(100);
82 } catch (InterruptedException ignored) {
83 }
84 if (System.currentTimeMillis() > startTime + 30000) {
85 throw new RuntimeException("Master not active after 30 seconds");
86 }
87 }
88 masterActive = true;
89 cluster.getRegionServers().get(0).start();
90 cluster.getRegionServers().get(1).start();
91 Thread.sleep(10000);
92 List<ServerName> onlineServersList =
93 master.getMaster().getServerManager().getOnlineServersList();
94 while (onlineServersList.size() > 1) {
95 Thread.sleep(100);
96 onlineServersList = master.getMaster().getServerManager().getOnlineServersList();
97 }
98 assertEquals(onlineServersList.size(), 1);
99 cluster.shutdown();
100 } finally {
101 masterActive = false;
102 firstRS.set(true);
103 TEST_UTIL.shutdownMiniCluster();
104 }
105 }
106
107 public static class MockedRegionServer extends MiniHBaseCluster.MiniHBaseClusterRegionServer {
108
109 public MockedRegionServer(Configuration conf, CoordinatedStateManager cp)
110 throws IOException, InterruptedException {
111 super(conf, cp);
112 }
113
114 @Override
115 protected void handleReportForDutyResponse(RegionServerStartupResponse c) throws IOException {
116 if (firstRS.getAndSet(false)) {
117 for (NameStringPair e : c.getMapEntriesList()) {
118 String key = e.getName();
119
120 if (key.equals(HConstants.KEY_FOR_HOSTNAME_SEEN_BY_MASTER)) {
121 String hostnameFromMasterPOV = e.getValue();
122 assertEquals(super.getRpcServer().getListenerAddress().getHostName(),
123 hostnameFromMasterPOV);
124 }
125 }
126 while (!masterActive) {
127 Threads.sleep(100);
128 }
129 super.kill();
130 } else {
131 super.handleReportForDutyResponse(c);
132 }
133 }
134 }
135 }