@Test
public void testRemoveHostId() throws InterruptedException {
ReplicationSink rSink = new ReplicationSink();
SinkManager.add(rSink);
// start removal in background and send replication confirmations
final AtomicBoolean success = new AtomicBoolean(false);
Thread remover =
new Thread() {
public void run() {
try {
ss.removeNode(removalId.toString());
} catch (Exception e) {
System.err.println(e);
e.printStackTrace();
return;
}
success.set(true);
}
};
remover.start();
Thread.sleep(1000); // make sure removal is waiting for confirmation
assertTrue(tmd.isLeaving(removalhost));
assertEquals(1, tmd.getLeavingEndpoints().size());
for (InetAddress host : hosts) {
MessageOut msg =
new MessageOut(
host,
MessagingService.Verb.REPLICATION_FINISHED,
null,
null,
Collections.<String, byte[]>emptyMap());
MessagingService.instance().sendRR(msg, FBUtilities.getBroadcastAddress());
}
remover.join();
assertTrue(success.get());
assertTrue(tmd.getLeavingEndpoints().isEmpty());
}
@Test
public void testStateJumpToNormal() throws UnknownHostException {
StorageService ss = StorageService.instance;
TokenMetadata tmd = ss.getTokenMetadata();
tmd.clearUnsafe();
IPartitioner partitioner = RandomPartitioner.instance;
VersionedValue.VersionedValueFactory valueFactory =
new VersionedValue.VersionedValueFactory(partitioner);
ArrayList<Token> endpointTokens = new ArrayList<Token>();
ArrayList<Token> keyTokens = new ArrayList<Token>();
List<InetAddress> hosts = new ArrayList<InetAddress>();
List<UUID> hostIds = new ArrayList<UUID>();
// create a ring or 5 nodes
Util.createInitialRing(ss, partitioner, endpointTokens, keyTokens, hosts, hostIds, 6);
// node 2 leaves
ss.onChange(
hosts.get(2),
ApplicationState.STATUS,
valueFactory.leaving(Collections.singleton(endpointTokens.get(2))));
assertTrue(tmd.isLeaving(hosts.get(2)));
assertEquals(endpointTokens.get(2), tmd.getToken(hosts.get(2)));
// back to normal
Gossiper.instance.injectApplicationState(
hosts.get(2),
ApplicationState.TOKENS,
valueFactory.tokens(Collections.singleton(keyTokens.get(2))));
ss.onChange(
hosts.get(2),
ApplicationState.STATUS,
valueFactory.normal(Collections.singleton(keyTokens.get(2))));
assertTrue(tmd.getLeavingEndpoints().isEmpty());
assertEquals(keyTokens.get(2), tmd.getToken(hosts.get(2)));
// node 3 goes through leave and left and then jumps to normal at its new token
ss.onChange(
hosts.get(2),
ApplicationState.STATUS,
valueFactory.leaving(Collections.singleton(keyTokens.get(2))));
ss.onChange(
hosts.get(2),
ApplicationState.STATUS,
valueFactory.left(Collections.singleton(keyTokens.get(2)), Gossiper.computeExpireTime()));
Gossiper.instance.injectApplicationState(
hosts.get(2),
ApplicationState.TOKENS,
valueFactory.tokens(Collections.singleton(keyTokens.get(4))));
ss.onChange(
hosts.get(2),
ApplicationState.STATUS,
valueFactory.normal(Collections.singleton(keyTokens.get(4))));
assertTrue(tmd.getBootstrapTokens().isEmpty());
assertTrue(tmd.getLeavingEndpoints().isEmpty());
assertEquals(keyTokens.get(4), tmd.getToken(hosts.get(2)));
}