@Test
public void testJedisClusterRunsWithMultithreaded()
throws InterruptedException, ExecutionException, IOException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
final JedisCluster jc = new JedisCluster(jedisClusterNode);
jc.set("foo", "bar");
ThreadPoolExecutor executor =
new ThreadPoolExecutor(10, 100, 0, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
List<Future<String>> futures = new ArrayList<Future<String>>();
for (int i = 0; i < 50; i++) {
executor.submit(
new Callable<String>() {
@Override
public String call() throws Exception {
// FIXME : invalidate slot cache from JedisCluster to test
// random connection also does work
return jc.get("foo");
}
});
}
for (Future<String> future : futures) {
String value = future.get();
assertEquals("bar", value);
}
jc.close();
}
@Test
public void testCloseable() throws IOException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort(nodeInfo1.getHost(), nodeInfo1.getPort()));
JedisCluster jc = null;
try {
jc = new JedisCluster(jedisClusterNode);
jc.set("51", "foo");
} finally {
if (jc != null) {
jc.close();
}
}
Iterator<JedisPool> poolIterator = jc.getClusterNodes().values().iterator();
while (poolIterator.hasNext()) {
JedisPool pool = poolIterator.next();
try {
pool.getResource();
fail("JedisCluster's internal pools should be already destroyed");
} catch (JedisConnectionException e) {
// ok to go...
}
}
}
final Set<UUID> getPlayers() {
ImmutableSet.Builder<UUID> setBuilder = ImmutableSet.builder();
if (pool != null) {
try (Jedis rsc = pool.getResource()) {
List<String> keys = new ArrayList<>();
for (String i : getServerIds()) {
keys.add("proxy:" + i + ":usersOnline");
}
if (!keys.isEmpty()) {
Set<String> users = rsc.sunion(keys.toArray(new String[keys.size()]));
if (users != null && !users.isEmpty()) {
for (String user : users) {
try {
setBuilder = setBuilder.add(UUID.fromString(user));
} catch (IllegalArgumentException ignored) {
}
}
}
}
} catch (JedisConnectionException e) {
// Redis server has disappeared!
getLogger()
.log(
Level.SEVERE,
"Unable to get connection from pool - did your Redis server go away?",
e);
throw new RuntimeException("Unable to get all players online", e);
}
}
return setBuilder.build();
}
@Test(expected = JedisConnectionException.class)
public void testIfPoolConfigAppliesToClusterPools() {
GenericObjectPoolConfig config = new GenericObjectPoolConfig();
config.setMaxTotal(0);
config.setMaxWaitMillis(2000);
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode, config);
jc.set("52", "poolTestValue");
}
@Test(expected = JedisClusterMaxRedirectionsException.class)
public void testRedisClusterMaxRedirections() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
int slot51 = JedisClusterCRC16.getSlot("51");
// This will cause an infinite redirection loop
node2.clusterSetSlotMigrating(slot51, JedisClusterTestUtil.getNodeId(node3.clusterNodes()));
jc.set("51", "foo");
}
@Test
public void testDiscoverNodesAutomatically() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
assertEquals(3, jc.getClusterNodes().size());
JedisCluster jc2 = new JedisCluster(new HostAndPort("127.0.0.1", 7379));
assertEquals(3, jc2.getClusterNodes().size());
}
@Test
public void testAskResponse() throws InterruptedException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
int slot51 = JedisClusterCRC16.getSlot("51");
node3.clusterSetSlotImporting(slot51, JedisClusterTestUtil.getNodeId(node2.clusterNodes()));
node2.clusterSetSlotMigrating(slot51, JedisClusterTestUtil.getNodeId(node3.clusterNodes()));
jc.set("51", "foo");
assertEquals("foo", jc.get("51"));
}
@Test(expected = JedisClusterMaxRedirectionsException.class, timeout = 2000)
public void testReturnConnectionOnRedirection() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(1);
JedisCluster jc = new JedisCluster(jedisClusterNode, 0, 2, config);
// This will cause an infinite redirection between node 2 and 3
node3.clusterSetSlotMigrating(15363, JedisClusterTestUtil.getNodeId(node2.clusterNodes()));
jc.get("e");
}
@Test
public void testMigrateToNewNode() throws InterruptedException {
log.info("test migrate slot to new node");
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(nodeInfo1);
JedisCluster jc = new JedisCluster(jedisClusterNode);
node4.clusterMeet(localHost, nodeInfo1.getPort());
String node3Id = JedisClusterTestUtil.getNodeId(node3.clusterNodes());
String node4Id = JedisClusterTestUtil.getNodeId(node4.clusterNodes());
JedisClusterTestUtil.waitForClusterReady(node4);
node3.clusterSetSlotMigrating(15363, node4Id);
node4.clusterSetSlotImporting(15363, node3Id);
try {
node4.set("e", "e");
} catch (JedisMovedDataException jme) {
assertEquals(15363, jme.getSlot());
assertEquals(new HostAndPort(localHost, nodeInfo3.getPort()), jme.getTargetNode());
}
try {
node3.set("e", "e");
} catch (JedisAskDataException jae) {
assertEquals(15363, jae.getSlot());
assertEquals(new HostAndPort(localHost, nodeInfo4.getPort()), jae.getTargetNode());
}
jc.set("e", "e");
try {
node4.get("e");
} catch (JedisMovedDataException jme) {
assertEquals(15363, jme.getSlot());
assertEquals(new HostAndPort(localHost, nodeInfo3.getPort()), jme.getTargetNode());
}
try {
node3.get("e");
} catch (JedisAskDataException jae) {
assertEquals(15363, jae.getSlot());
assertEquals(new HostAndPort(localHost, nodeInfo4.getPort()), jae.getTargetNode());
}
assertEquals("e", jc.get("e"));
node4.clusterSetSlotNode(15363, node4Id);
node3.clusterSetSlotNode(15363, node4Id);
// assertEquals("e", jc.get("e"));
assertEquals("e", node4.get("e"));
// assertEquals("e", node3.get("e"));
}
@Test
public void testClusterCountKeysInSlot() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort(nodeInfo1.getHost(), nodeInfo1.getPort()));
JedisCluster jc = new JedisCluster(jedisClusterNode);
for (int index = 0; index < 5; index++) {
jc.set("foo{bar}" + index, "hello");
}
int slot = JedisClusterCRC16.getSlot("foo{bar}");
assertEquals(5, node1.clusterCountKeysInSlot(slot).intValue());
}
@Test
public void testJedisClusterTimeout() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort(nodeInfo1.getHost(), nodeInfo1.getPort()));
JedisCluster jc = new JedisCluster(jedisClusterNode, 4000);
for (JedisPool pool : jc.getClusterNodes().values()) {
Jedis jedis = pool.getResource();
assertEquals(jedis.getClient().getConnectionTimeout(), 4000);
assertEquals(jedis.getClient().getSoTimeout(), 4000);
jedis.close();
}
}
@Test
public void testRecalculateSlotsWhenMoved() throws InterruptedException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
int slot51 = JedisClusterCRC16.getSlot("51");
node2.clusterDelSlots(slot51);
node3.clusterDelSlots(slot51);
node3.clusterAddSlots(slot51);
JedisClusterTestUtil.waitForClusterReady(node1, node2, node3);
jc.set("51", "foo");
assertEquals("foo", jc.get("51"));
}
/** slot->nodes 15363 node3 e */
@Test
public void testMigrate() {
log.info("test migrate slot");
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(nodeInfo1);
JedisCluster jc = new JedisCluster(jedisClusterNode);
String node3Id = JedisClusterTestUtil.getNodeId(node3.clusterNodes());
String node2Id = JedisClusterTestUtil.getNodeId(node2.clusterNodes());
node3.clusterSetSlotMigrating(15363, node2Id);
node2.clusterSetSlotImporting(15363, node3Id);
try {
node2.set("e", "e");
} catch (JedisMovedDataException jme) {
assertEquals(15363, jme.getSlot());
assertEquals(new HostAndPort(localHost, nodeInfo3.getPort()), jme.getTargetNode());
}
try {
node3.set("e", "e");
} catch (JedisAskDataException jae) {
assertEquals(15363, jae.getSlot());
assertEquals(new HostAndPort(localHost, nodeInfo2.getPort()), jae.getTargetNode());
}
jc.set("e", "e");
try {
node2.get("e");
} catch (JedisMovedDataException jme) {
assertEquals(15363, jme.getSlot());
assertEquals(new HostAndPort(localHost, nodeInfo3.getPort()), jme.getTargetNode());
}
try {
node3.get("e");
} catch (JedisAskDataException jae) {
assertEquals(15363, jae.getSlot());
assertEquals(new HostAndPort(localHost, nodeInfo2.getPort()), jae.getTargetNode());
}
assertEquals("e", jc.get("e"));
node2.clusterSetSlotNode(15363, node2Id);
node3.clusterSetSlotNode(15363, node2Id);
// assertEquals("e", jc.get("e"));
assertEquals("e", node2.get("e"));
// assertEquals("e", node3.get("e"));
}
@Test(timeout = 2000)
public void testReturnConnectionOnJedisConnectionException() throws InterruptedException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(1);
JedisCluster jc = new JedisCluster(jedisClusterNode, config);
Jedis j = jc.getClusterNodes().get("127.0.0.1:7380").getResource();
ClientKillerUtil.tagClient(j, "DEAD");
ClientKillerUtil.killClient(j, "DEAD");
j.close();
jc.get("test");
}
@Test
public void testCalculateConnectionPerSlot() {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort("127.0.0.1", 7379));
JedisCluster jc = new JedisCluster(jedisClusterNode);
jc.set("foo", "bar");
jc.set("test", "test");
assertEquals("bar", node3.get("foo"));
assertEquals("test", node2.get("test"));
JedisCluster jc2 = new JedisCluster(new HostAndPort("127.0.0.1", 7379));
jc2.set("foo", "bar");
jc2.set("test", "test");
assertEquals("bar", node3.get("foo"));
assertEquals("test", node2.get("test"));
}
@Test
public void testStableSlotWhenMigratingNodeOrImportingNodeIsNotSpecified()
throws InterruptedException {
Set<HostAndPort> jedisClusterNode = new HashSet<HostAndPort>();
jedisClusterNode.add(new HostAndPort(nodeInfo1.getHost(), nodeInfo1.getPort()));
JedisCluster jc = new JedisCluster(jedisClusterNode);
int slot51 = JedisClusterCRC16.getSlot("51");
jc.set("51", "foo");
// node2 is responsible of taking care of slot51 (7186)
node3.clusterSetSlotImporting(slot51, JedisClusterTestUtil.getNodeId(node2.clusterNodes()));
assertEquals("foo", jc.get("51"));
node3.clusterSetSlotStable(slot51);
assertEquals("foo", jc.get("51"));
node2.clusterSetSlotMigrating(slot51, JedisClusterTestUtil.getNodeId(node3.clusterNodes()));
// assertEquals("foo", jc.get("51")); // it leads Max Redirections
node2.clusterSetSlotStable(slot51);
assertEquals("foo", jc.get("51"));
}