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19 package org.apache.hadoop.hbase.replication;
20
21 import java.io.IOException;
22
23 import org.apache.commons.logging.Log;
24 import org.apache.commons.logging.LogFactory;
25 import org.apache.hadoop.conf.Configuration;
26 import org.apache.hadoop.hbase.ClusterId;
27 import org.apache.hadoop.hbase.HBaseTestingUtility;
28 import org.apache.hadoop.hbase.HConstants;
29 import org.apache.hadoop.hbase.testclassification.MediumTests;
30 import org.apache.hadoop.hbase.Server;
31 import org.apache.hadoop.hbase.ServerName;
32 import org.apache.hadoop.hbase.catalog.CatalogTracker;
33 import org.apache.hadoop.hbase.zookeeper.ZKClusterId;
34 import org.apache.hadoop.hbase.zookeeper.ZKConfig;
35 import org.apache.hadoop.hbase.zookeeper.ZKUtil;
36 import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
37 import org.apache.zookeeper.KeeperException;
38 import org.junit.After;
39 import org.junit.AfterClass;
40 import org.junit.Test;
41
42 import static org.junit.Assert.*;
43
44 import org.junit.Before;
45 import org.junit.BeforeClass;
46 import org.junit.experimental.categories.Category;
47
48 @Category(MediumTests.class)
49 public class TestReplicationStateZKImpl extends TestReplicationStateBasic {
50
51 private static final Log LOG = LogFactory.getLog(TestReplicationStateZKImpl.class);
52
53 private static Configuration conf;
54 private static HBaseTestingUtility utility;
55 private static ZooKeeperWatcher zkw;
56 private static String replicationZNode;
57 private ReplicationQueuesZKImpl rqZK;
58
59 @BeforeClass
60 public static void setUpBeforeClass() throws Exception {
61 utility = new HBaseTestingUtility();
62 utility.startMiniZKCluster();
63 conf = utility.getConfiguration();
64 zkw = HBaseTestingUtility.getZooKeeperWatcher(utility);
65 String replicationZNodeName = conf.get("zookeeper.znode.replication", "replication");
66 replicationZNode = ZKUtil.joinZNode(zkw.baseZNode, replicationZNodeName);
67 KEY_ONE = initPeerClusterState("/hbase1");
68 KEY_TWO = initPeerClusterState("/hbase2");
69 }
70
71 private static String initPeerClusterState(String baseZKNode)
72 throws IOException, KeeperException {
73
74 Configuration testConf = new Configuration(conf);
75 testConf.set(HConstants.ZOOKEEPER_ZNODE_PARENT, baseZKNode);
76 ZooKeeperWatcher zkw1 = new ZooKeeperWatcher(testConf, "test1", null);
77 String fakeRs = ZKUtil.joinZNode(zkw1.rsZNode, "hostname1.example.org:1234");
78 ZKUtil.createWithParents(zkw1, fakeRs);
79 ZKClusterId.setClusterId(zkw1, new ClusterId());
80 return ZKConfig.getZooKeeperClusterKey(testConf);
81 }
82
83 @Before
84 @Override
85 public void setUp() {
86 super.setUp();
87 DummyServer ds1 = new DummyServer(server1);
88 DummyServer ds2 = new DummyServer(server2);
89 DummyServer ds3 = new DummyServer(server3);
90 rq1 = ReplicationFactory.getReplicationQueues(zkw, conf, ds1);
91 rq2 = ReplicationFactory.getReplicationQueues(zkw, conf, ds2);
92 rq3 = ReplicationFactory.getReplicationQueues(zkw, conf, ds3);
93 rqc = ReplicationFactory.getReplicationQueuesClient(zkw, conf, ds1);
94 rp = ReplicationFactory.getReplicationPeers(zkw, conf, zkw);
95 OUR_KEY = ZKConfig.getZooKeeperClusterKey(conf);
96 rqZK = new ReplicationQueuesZKImpl(zkw, conf, ds1);
97 }
98
99 @After
100 public void tearDown() throws KeeperException, IOException {
101 ZKUtil.deleteNodeRecursively(zkw, replicationZNode);
102 }
103
104 @AfterClass
105 public static void tearDownAfterClass() throws Exception {
106 utility.shutdownMiniZKCluster();
107 }
108
109 @Test
110 public void testIsPeerPath_PathToParentOfPeerNode() {
111 assertFalse(rqZK.isPeerPath(rqZK.peersZNode));
112 }
113
114 @Test
115 public void testIsPeerPath_PathToChildOfPeerNode() {
116 String peerChild = ZKUtil.joinZNode(ZKUtil.joinZNode(rqZK.peersZNode, "1"), "child");
117 assertFalse(rqZK.isPeerPath(peerChild));
118 }
119
120 @Test
121 public void testIsPeerPath_ActualPeerPath() {
122 String peerPath = ZKUtil.joinZNode(rqZK.peersZNode, "1");
123 assertTrue(rqZK.isPeerPath(peerPath));
124 }
125
126 static class DummyServer implements Server {
127 private String serverName;
128 private boolean isAborted = false;
129 private boolean isStopped = false;
130
131 public DummyServer(String serverName) {
132 this.serverName = serverName;
133 }
134
135 @Override
136 public Configuration getConfiguration() {
137 return conf;
138 }
139
140 @Override
141 public ZooKeeperWatcher getZooKeeper() {
142 return zkw;
143 }
144
145 @Override
146 public CatalogTracker getCatalogTracker() {
147 return null;
148 }
149
150 @Override
151 public ServerName getServerName() {
152 return ServerName.valueOf(this.serverName);
153 }
154
155 @Override
156 public void abort(String why, Throwable e) {
157 LOG.info("Aborting " + serverName);
158 this.isAborted = true;
159 }
160
161 @Override
162 public boolean isAborted() {
163 return this.isAborted;
164 }
165
166 @Override
167 public void stop(String why) {
168 this.isStopped = true;
169 }
170
171 @Override
172 public boolean isStopped() {
173 return this.isStopped;
174 }
175 }
176 }
177