Examples with ReplicationQueueInfo org.apache.hadoop.hbase.replication.ReplicationQueueInfo used on opensource projects

Example 11 with ReplicationQueueInfo

use of org.apache.hadoop.hbase.replication.ReplicationQueueInfo in project hbase by apache.

the class TestReplicationSourceManagerZkImpl method testNodeFailoverDeadServerParsing.

// Tests the naming convention of adopted queues for ReplicationQueuesZkImpl
@Test
public void testNodeFailoverDeadServerParsing() throws Exception {
    Server server = new DummyServer("ec2-54-234-230-108.compute-1.amazonaws.com");
    ReplicationQueueStorage queueStorage = ReplicationStorageFactory.getReplicationQueueStorage(server.getZooKeeper(), conf);
    // populate some znodes in the peer znode
    files.add("log1");
    files.add("log2");
    for (String file : files) {
        queueStorage.addWAL(server.getServerName(), "1", file);
    }
    // create 3 DummyServers
    Server s1 = new DummyServer("ip-10-8-101-114.ec2.internal");
    Server s2 = new DummyServer("ec2-107-20-52-47.compute-1.amazonaws.com");
    Server s3 = new DummyServer("ec2-23-20-187-167.compute-1.amazonaws.com");
    // simulate three servers fail sequentially
    ServerName serverName = server.getServerName();
    List<String> unclaimed = queueStorage.getAllQueues(serverName);
    queueStorage.claimQueue(serverName, unclaimed.get(0), s1.getServerName());
    queueStorage.removeReplicatorIfQueueIsEmpty(serverName);
    serverName = s1.getServerName();
    unclaimed = queueStorage.getAllQueues(serverName);
    queueStorage.claimQueue(serverName, unclaimed.get(0), s2.getServerName());
    queueStorage.removeReplicatorIfQueueIsEmpty(serverName);
    serverName = s2.getServerName();
    unclaimed = queueStorage.getAllQueues(serverName);
    String queue3 = queueStorage.claimQueue(serverName, unclaimed.get(0), s3.getServerName()).getFirst();
    queueStorage.removeReplicatorIfQueueIsEmpty(serverName);
    ReplicationQueueInfo replicationQueueInfo = new ReplicationQueueInfo(queue3);
    List<ServerName> result = replicationQueueInfo.getDeadRegionServers();
    // verify
    assertTrue(result.contains(server.getServerName()));
    assertTrue(result.contains(s1.getServerName()));
    assertTrue(result.contains(s2.getServerName()));
    server.stop("");
}