/**
* Checks that gets work for implicit txs.
*
* @param cache Cache to test.
* @throws Exception If failed.
*/
private void checkExplicitTx(Ignite ignite, IgniteCache<String, String> cache) throws Exception {
IgniteCache<String, String> asyncCache = cache.withAsync();
Transaction tx = ignite.transactions().txStart();
try {
assertNull(cache.get("key1"));
tx.commit();
} finally {
tx.close();
}
tx = ignite.transactions().txStart();
try {
asyncCache.get("key2");
assertNull(asyncCache.future().get());
tx.commit();
} finally {
tx.close();
}
tx = ignite.transactions().txStart();
try {
assertTrue(cache.getAll(F.asSet("key3", "key4")).isEmpty());
tx.commit();
} finally {
tx.close();
}
tx = ignite.transactions().txStart();
try {
asyncCache.getAll(F.asSet("key5", "key6"));
assertTrue(((Map) asyncCache.future().get()).isEmpty());
tx.commit();
} finally {
tx.close();
}
tx = ignite.transactions().txStart();
try {
cache.put("key7", "key7");
cache.remove("key7");
assertNull(cache.get("key7"));
tx.commit();
} finally {
tx.close();
}
checkEmpty(cache);
}
/**
* Change topology.
*
* @param parent Grid to execute tasks on.
* @param add New nodes count.
* @param rmv Remove nodes count.
* @param type Type of nodes to manipulate.
*/
private static void changeTopology(Ignite parent, int add, int rmv, String type) {
Collection<ComputeTaskFuture<?>> tasks = new ArrayList<>();
IgniteCompute comp = parent.compute().withAsync();
// Start nodes in parallel.
while (add-- > 0) {
comp.execute(ClientStartNodeTask.class, type);
tasks.add(comp.future());
}
for (ComputeTaskFuture<?> task : tasks) task.get();
// Stop nodes in sequence.
while (rmv-- > 0) parent.compute().execute(ClientStopNodeTask.class, type);
// Wait for node stops.
// U.sleep(1000);
Collection<String> gridNames = new ArrayList<>();
for (Ignite g : G.allGrids()) gridNames.add(g.name());
parent.log().info(">>> Available grids: " + gridNames);
}
/** {@inheritDoc} */
@Override
public Set<Long> call() throws IgniteCheckedException {
assert ignite != null;
if (log.isInfoEnabled())
log.info("Running GetAndIncrementJob on node: " + ignite.cluster().localNode().id());
IgniteAtomicSequence seq = ignite.atomicSequence(seqName, 0, true);
assert seq != null;
// Result set.
Set<Long> resSet = new HashSet<>();
// Get sequence value and try to put it result set.
for (int i = 0; i < retries; i++) {
long val = seq.getAndIncrement();
assert !resSet.contains(val) : "Element already in set : " + val;
resSet.add(val);
}
return resSet;
}
/**
* Tests preset eviction policy.
*
* @throws Exception If failed.
*/
private void checkPolicy0() throws Exception {
for (TransactionConcurrency concurrency : TransactionConcurrency.values()) {
txConcurrency = concurrency;
for (TransactionIsolation isolation : TransactionIsolation.values()) {
txIsolation = isolation;
Ignite g = startGrids();
IgniteCache<String, String> cache = g.cache(null);
try {
info(
">>> Checking policy [txConcurrency="
+ txConcurrency
+ ", txIsolation="
+ txIsolation
+ ", plc="
+ plc
+ ", nearPlc="
+ nearPlc
+ ']');
checkExplicitTx(g, cache);
checkImplicitTx(cache);
} finally {
stopAllGrids();
}
}
}
}
/**
* Injects resources.
*
* @param ignite Ignite
*/
@IgniteInstanceResource
private void injectResources(Ignite ignite) {
if (ignite != null) {
// Inject resources.
gridName = ignite.name();
locNodeId = ignite.configuration().getNodeId();
} else {
// Cleanup resources.
gridName = null;
locNodeId = null;
}
}
/** @throws Exception If failed. */
@SuppressWarnings({"AssignmentToCatchBlockParameter"})
public void testCancel() throws Exception {
Ignite ignite = G.ignite(getTestGridName());
ignite
.compute()
.localDeployTask(GridCancelTestTask.class, GridCancelTestTask.class.getClassLoader());
ComputeTaskFuture<?> res0 =
executeAsync(
ignite.compute().withTimeout(maxJobExecTime * 2),
GridCancelTestTask.class.getName(),
null);
try {
Object res = res0.get();
info("Cancel test result: " + res);
synchronized (mux) {
// Every execute must be called.
assert execCnt <= SPLIT_COUNT : "Invalid execute count: " + execCnt;
// Job returns 1 if was cancelled.
assert (Integer) res <= SPLIT_COUNT : "Invalid task result: " + res;
// Should be exactly the same as Jobs number.
assert cancelCnt <= SPLIT_COUNT : "Invalid cancel count: " + cancelCnt;
// One per start and one per stop and some that come with heartbeats.
assert colResolutionCnt > SPLIT_COUNT + 1
: "Invalid collision resolution count: " + colResolutionCnt;
}
} catch (ComputeTaskTimeoutException e) {
error("Task execution got timed out.", e);
} catch (Exception e) {
assert e.getCause() != null;
if (e.getCause() instanceof IgniteCheckedException) e = (Exception) e.getCause();
if (e.getCause() instanceof IOException) e = (Exception) e.getCause();
assert e.getCause() instanceof InterruptedException
: "Invalid exception cause: " + e.getCause();
}
}
/** {@inheritDoc} */
@Override
protected void beforeTestsStarted() throws Exception {
chunk = new byte[128];
for (int i = 0; i < chunk.length; i++) chunk[i] = (byte) i;
Ignite igniteSecondary =
startGridWithIgfs("grid-secondary", "igfs-secondary", PRIMARY, null, SECONDARY_REST_CFG);
IgfsSecondaryFileSystem hadoopFs =
new IgniteHadoopIgfsSecondaryFileSystem(SECONDARY_URI, SECONDARY_CFG);
Ignite ignite = startGridWithIgfs("grid", "igfs", mode, hadoopFs, PRIMARY_REST_CFG);
igfsSecondary = (IgfsImpl) igniteSecondary.fileSystem("igfs-secondary");
igfs = (IgfsImpl) ignite.fileSystem("igfs");
}
/** {@inheritDoc} */
@Override
public void testRemoteNodes() throws Exception {
int size = remoteNodeIds().size();
String name = "oneMoreGrid";
try {
Ignite g = startGrid(name);
UUID joinedId = g.cluster().localNode().id();
assert projection().forRemotes().nodes().size() == size + 1;
assert F.nodeIds(projection().forRemotes().nodes()).contains(joinedId);
} finally {
stopGrid(name);
}
}
/**
* Checks for explicit events configuration.
*
* @param ignite Grid instance.
* @return {@code true} if all task events explicitly specified in configuration.
*/
public static boolean checkExplicitTaskMonitoring(Ignite ignite) {
int[] evts = ignite.configuration().getIncludeEventTypes();
if (F.isEmpty(evts)) return false;
for (int evt : VISOR_TASK_EVTS) {
if (!F.contains(evts, evt)) return false;
}
return true;
}
/** {@inheritDoc} */
@Override
protected Object executeJob(int gridSize, String type) {
log.info(">>> Starting new grid node [currGridSize=" + gridSize + ", arg=" + type + "]");
if (type == null) throw new IllegalArgumentException("Node type to start should be specified.");
IgniteConfiguration cfg = getConfig(type);
// Generate unique for this VM grid name.
String gridName = cfg.getGridName() + " (" + UUID.randomUUID() + ")";
// Update grid name (required to be unique).
cfg.setGridName(gridName);
// Start new node in current VM.
Ignite g = G.start(cfg);
log.info(
">>> Grid started [nodeId=" + g.cluster().localNode().id() + ", name='" + g.name() + "']");
return true;
}
/**
* Example for start/stop node tasks.
*
* @param args Not used.
*/
public static void main(String[] args) {
String nodeType = "tcp+ssl";
// Start initial node = 1
try (Ignite g = G.start(NODE_CFG.get(nodeType))) {
// Change topology.
changeTopology(g, 4, 1, nodeType);
changeTopology(g, 1, 4, nodeType);
// Stop node by id = 0
g.compute().execute(ClientStopNodeTask.class, g.cluster().localNode().id().toString());
// Wait for node stops.
// U.sleep(1000);
assert G.allGrids().isEmpty();
} catch (Exception e) {
System.err.println("Uncaught exception: " + e.getMessage());
e.printStackTrace(System.err);
}
}
/** @throws Exception If failed. */
@SuppressWarnings({"TooBroadScope"})
public void testAsyncListen() throws Exception {
final String hello = "HELLO!";
final String bye = "BYE!";
final Ignite g = grid(0);
final UUID locNodeId = g.cluster().localNode().id();
g.message()
.remoteListen(
null,
new MessagingListenActor<String>() {
@Override
protected void receive(UUID nodeId, String rcvMsg) throws Throwable {
if (hello.equals(rcvMsg)) {
assertEquals(locNodeId, nodeId);
assertEquals(hello, rcvMsg);
stop(bye);
}
}
});
final AtomicInteger cnt = new AtomicInteger();
g.message()
.localListen(
null,
new P2<UUID, String>() {
@Override
public boolean apply(UUID nodeId, String msg) {
if (msg.equals(bye)) cnt.incrementAndGet();
return true;
}
});
g.message().send(null, hello);
GridTestUtils.waitForCondition(
new GridAbsPredicate() {
@Override
public boolean apply() {
return cnt.get() == g.cluster().nodes().size();
}
},
5000);
assertEquals(cnt.get(), g.cluster().nodes().size());
}
/**
* Grabs local events and detects if events was lost since last poll.
*
* @param ignite Target grid.
* @param evtOrderKey Unique key to take last order key from node local map.
* @param evtThrottleCntrKey Unique key to take throttle count from node local map.
* @param evtTypes Event types to collect.
* @param evtMapper Closure to map grid events to Visor data transfer objects.
* @return Collections of node events
*/
public static Collection<VisorGridEvent> collectEvents(
Ignite ignite,
String evtOrderKey,
String evtThrottleCntrKey,
final int[] evtTypes,
IgniteClosure<Event, VisorGridEvent> evtMapper) {
assert ignite != null;
assert evtTypes != null && evtTypes.length > 0;
ConcurrentMap<String, Long> nl = ignite.cluster().nodeLocalMap();
final long lastOrder = getOrElse(nl, evtOrderKey, -1L);
final long throttle = getOrElse(nl, evtThrottleCntrKey, 0L);
// When we first time arrive onto a node to get its local events,
// we'll grab only last those events that not older than given period to make sure we are
// not grabbing GBs of data accidentally.
final long notOlderThan = System.currentTimeMillis() - EVENTS_COLLECT_TIME_WINDOW;
// Flag for detecting gaps between events.
final AtomicBoolean lastFound = new AtomicBoolean(lastOrder < 0);
IgnitePredicate<Event> p =
new IgnitePredicate<Event>() {
/** */
private static final long serialVersionUID = 0L;
@Override
public boolean apply(Event e) {
// Detects that events were lost.
if (!lastFound.get() && (lastOrder == e.localOrder())) lastFound.set(true);
// Retains events by lastOrder, period and type.
return e.localOrder() > lastOrder
&& e.timestamp() > notOlderThan
&& F.contains(evtTypes, e.type());
}
};
Collection<Event> evts = ignite.events().localQuery(p);
// Update latest order in node local, if not empty.
if (!evts.isEmpty()) {
Event maxEvt = Collections.max(evts, EVTS_ORDER_COMPARATOR);
nl.put(evtOrderKey, maxEvt.localOrder());
}
// Update throttle counter.
if (!lastFound.get())
nl.put(evtThrottleCntrKey, throttle == 0 ? EVENTS_LOST_THROTTLE : throttle - 1);
boolean lost = !lastFound.get() && throttle == 0;
Collection<VisorGridEvent> res = new ArrayList<>(evts.size() + (lost ? 1 : 0));
if (lost) res.add(new VisorGridEventsLost(ignite.cluster().localNode().id()));
for (Event e : evts) {
VisorGridEvent visorEvt = evtMapper.apply(e);
if (visorEvt != null) res.add(visorEvt);
}
return res;
}