/** @throws Exception If failed. */
public void testDisabledRest() throws Exception {
restEnabled = false;
final Grid g = startGrid("disabled-rest");
try {
Thread.sleep(2 * TOP_REFRESH_FREQ);
// As long as we have round robin load balancer this will cause every node to be queried.
for (int i = 0; i < NODES_CNT + 1; i++)
assertEquals(NODES_CNT + 1, client.compute().refreshTopology(false, false).size());
final GridClientData data = client.data(PARTITIONED_CACHE_NAME);
// Check rest-disabled node is unavailable.
try {
String affKey;
do {
affKey = UUID.randomUUID().toString();
} while (!data.affinity(affKey).equals(g.localNode().id()));
data.put(affKey, "asdf");
assertEquals("asdf", cache(0, PARTITIONED_CACHE_NAME).get(affKey));
} catch (GridServerUnreachableException e) {
// Thrown for direct client-node connections.
assertTrue(
"Unexpected exception message: " + e.getMessage(),
e.getMessage()
.startsWith("No available endpoints to connect (is rest enabled for this node?)"));
} catch (GridClientException e) {
// Thrown for routed client-router-node connections.
String msg = e.getMessage();
assertTrue(
"Unexpected exception message: " + msg,
protocol() == GridClientProtocol.TCP
? msg.contains("No available endpoints to connect (is rest enabled for this node?)")
: // TCP router.
msg.startsWith(
"No available nodes on the router for destination node ID")); // HTTP router.
}
// Check rest-enabled nodes are available.
String affKey;
do {
affKey = UUID.randomUUID().toString();
} while (data.affinity(affKey).equals(g.localNode().id()));
data.put(affKey, "fdsa");
assertEquals("fdsa", cache(0, PARTITIONED_CACHE_NAME).get(affKey));
} finally {
restEnabled = true;
G.stop(g.name(), true);
}
}
/** @throws Exception If failed. */
public void testCreateFileColocated() throws Exception {
GridGgfsPath path = new GridGgfsPath("/colocated");
UUID uuid = UUID.randomUUID();
GridUuid affKey;
long idx = 0;
while (true) {
affKey = new GridUuid(uuid, idx);
if (grid(0).mapKeyToNode(DATA_CACHE_NAME, affKey).id().equals(grid(0).localNode().id()))
break;
idx++;
}
try (GridGgfsOutputStream out = fs.create(path, 1024, true, affKey, 0, 1024, null)) {
// Write 5M, should be enough to test distribution.
for (int i = 0; i < 15; i++) out.write(new byte[1024 * 1024]);
}
GridGgfsFile info = fs.info(path);
Collection<GridGgfsBlockLocation> affNodes = fs.affinity(path, 0, info.length());
assertEquals(1, affNodes.size());
Collection<UUID> nodeIds = F.first(affNodes).nodeIds();
assertEquals(1, nodeIds.size());
assertEquals(grid(0).localNode().id(), F.first(nodeIds));
}
/** @throws Exception If failed. */
public void testClientAffinity() throws Exception {
GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME);
Collection<Object> keys = new ArrayList<>();
keys.addAll(Arrays.asList(Boolean.TRUE, Boolean.FALSE, 1, Integer.MAX_VALUE));
Random rnd = new Random();
StringBuilder sb = new StringBuilder();
// Generate some random strings.
for (int i = 0; i < 100; i++) {
sb.setLength(0);
for (int j = 0; j < 255; j++)
// Only printable ASCII symbols for test.
sb.append((char) (rnd.nextInt(0x7f - 0x20) + 0x20));
keys.add(sb.toString());
}
// Generate some more keys to achieve better coverage.
for (int i = 0; i < 100; i++) keys.add(UUID.randomUUID());
for (Object key : keys) {
UUID nodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id();
UUID clientNodeId = partitioned.affinity(key);
assertEquals(
"Invalid affinity mapping for REST response for key: " + key, nodeId, clientNodeId);
}
}
/** @throws Exception If failed. */
public void testAffinityPut() throws Exception {
Thread.sleep(2 * TOP_REFRESH_FREQ);
assertEquals(NODES_CNT, client.compute().refreshTopology(false, false).size());
Map<UUID, Grid> gridsByLocNode = new HashMap<>(NODES_CNT);
GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME);
GridClientCompute compute = client.compute();
for (int i = 0; i < NODES_CNT; i++) gridsByLocNode.put(grid(i).localNode().id(), grid(i));
for (int i = 0; i < 100; i++) {
String key = "key" + i;
UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id();
assertEquals("Affinity mismatch for key: " + key, primaryNodeId, partitioned.affinity(key));
assertEquals(primaryNodeId, partitioned.affinity(key));
// Must go to primary node only. Since backup count is 0, value must present on
// primary node only.
partitioned.put(key, "val" + key);
for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) {
Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(key);
if (primaryNodeId.equals(entry.getKey())) assertEquals("val" + key, val);
else assertNull(val);
}
}
// Now check that we will see value in near cache in pinned mode.
for (int i = 100; i < 200; i++) {
String pinnedKey = "key" + i;
UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, pinnedKey).id();
UUID pinnedNodeId = F.first(F.view(gridsByLocNode.keySet(), F.notEqualTo(primaryNodeId)));
GridClientNode node = compute.node(pinnedNodeId);
partitioned.pinNodes(node).put(pinnedKey, "val" + pinnedKey);
for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) {
Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(pinnedKey);
if (primaryNodeId.equals(entry.getKey()) || pinnedNodeId.equals(entry.getKey()))
assertEquals("val" + pinnedKey, val);
else assertNull(val);
}
}
}