@BeforeClass
public static void setUp() throws Exception {
TEST_UTIL = new HBaseTestingUtility();
TEST_UTIL.startMiniCluster(NUM_SLAVES_BASE);
admin = TEST_UTIL.getHBaseAdmin();
cluster = TEST_UTIL.getHBaseCluster();
master = ((MiniHBaseCluster) cluster).getMaster();
zkNamespaceManager = new ZKNamespaceManager(master.getZooKeeper());
zkNamespaceManager.start();
LOG.info("Done initializing cluster");
}
@Test
public void testAssignmentManagerDoesntUseDrainingServer() throws Exception {
AssignmentManager am;
Configuration conf = TEST_UTIL.getConfiguration();
final HMaster master = Mockito.mock(HMaster.class);
final Server server = Mockito.mock(Server.class);
final ServerManager serverManager = Mockito.mock(ServerManager.class);
final ServerName SERVERNAME_A = ServerName.valueOf("mockserver_a.org", 1000, 8000);
final ServerName SERVERNAME_B = ServerName.valueOf("mockserver_b.org", 1001, 8000);
LoadBalancer balancer = LoadBalancerFactory.getLoadBalancer(conf);
final HRegionInfo REGIONINFO =
new HRegionInfo(
TableName.valueOf("table_test"),
HConstants.EMPTY_START_ROW,
HConstants.EMPTY_START_ROW);
ZooKeeperWatcher zkWatcher =
new ZooKeeperWatcher(TEST_UTIL.getConfiguration(), "zkWatcher-Test", abortable, true);
Map<ServerName, ServerLoad> onlineServers = new HashMap<ServerName, ServerLoad>();
onlineServers.put(SERVERNAME_A, ServerLoad.EMPTY_SERVERLOAD);
onlineServers.put(SERVERNAME_B, ServerLoad.EMPTY_SERVERLOAD);
Mockito.when(server.getConfiguration()).thenReturn(conf);
Mockito.when(server.getServerName()).thenReturn(ServerName.valueOf("masterMock,1,1"));
Mockito.when(server.getZooKeeper()).thenReturn(zkWatcher);
CoordinatedStateManager cp = new ZkCoordinatedStateManager();
cp.initialize(server);
cp.start();
Mockito.when(server.getCoordinatedStateManager()).thenReturn(cp);
Mockito.when(serverManager.getOnlineServers()).thenReturn(onlineServers);
Mockito.when(serverManager.getOnlineServersList())
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
Mockito.when(serverManager.createDestinationServersList())
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
Mockito.when(serverManager.createDestinationServersList(null))
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
for (ServerName sn : onlineServers.keySet()) {
Mockito.when(serverManager.isServerOnline(sn)).thenReturn(true);
Mockito.when(serverManager.sendRegionClose(sn, REGIONINFO, -1)).thenReturn(true);
Mockito.when(serverManager.sendRegionClose(sn, REGIONINFO, -1, null, false)).thenReturn(true);
Mockito.when(serverManager.sendRegionOpen(sn, REGIONINFO, -1, new ArrayList<ServerName>()))
.thenReturn(RegionOpeningState.OPENED);
Mockito.when(serverManager.sendRegionOpen(sn, REGIONINFO, -1, null))
.thenReturn(RegionOpeningState.OPENED);
Mockito.when(serverManager.addServerToDrainList(sn)).thenReturn(true);
}
Mockito.when(master.getServerManager()).thenReturn(serverManager);
am =
new AssignmentManager(
server,
serverManager,
balancer,
startupMasterExecutor("mockExecutorService"),
null,
null);
Mockito.when(master.getAssignmentManager()).thenReturn(am);
Mockito.when(master.getZooKeeper()).thenReturn(zkWatcher);
am.addPlan(REGIONINFO.getEncodedName(), new RegionPlan(REGIONINFO, null, SERVERNAME_A));
zkWatcher.registerListenerFirst(am);
addServerToDrainedList(SERVERNAME_A, onlineServers, serverManager);
am.assign(REGIONINFO, true);
setRegionOpenedOnZK(zkWatcher, SERVERNAME_A, REGIONINFO);
setRegionOpenedOnZK(zkWatcher, SERVERNAME_B, REGIONINFO);
am.waitForAssignment(REGIONINFO);
assertTrue(am.getRegionStates().isRegionOnline(REGIONINFO));
assertNotEquals(am.getRegionStates().getRegionServerOfRegion(REGIONINFO), SERVERNAME_A);
}