import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeTrue;
+import static org.junit.jupiter.api.Assertions.assertInstanceOf;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.timeout;
import com.google.common.base.Stopwatch;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableMap;
+import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.common.util.concurrent.Uninterruptibles;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
+import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import org.opendaylight.controller.cluster.datastore.TestShard.RequestFrontendMetadata;
import org.opendaylight.controller.cluster.datastore.TestShard.StartDropMessages;
import org.opendaylight.controller.cluster.datastore.TestShard.StopDropMessages;
-import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
-import org.opendaylight.controller.cluster.datastore.exceptions.ShardLeaderNotRespondingException;
import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply;
import org.opendaylight.controller.cluster.datastore.messages.ForwardedReadyTransaction;
import org.opendaylight.controller.cluster.datastore.messages.GetShardDataTree;
import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.common.api.OptimisticLockFailedException;
import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
-import org.opendaylight.mdsal.dom.api.DOMTransactionChainListener;
import org.opendaylight.mdsal.dom.spi.store.DOMStore;
import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
import org.opendaylight.yangtools.yang.common.Uint64;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.SystemMapNode;
-import org.opendaylight.yangtools.yang.data.api.schema.builder.CollectionNodeBuilder;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
-import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
+import org.opendaylight.yangtools.yang.data.tree.api.ConflictingModificationAppliedException;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTree;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeConfiguration;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
+import org.opendaylight.yangtools.yang.data.tree.impl.di.InMemoryDataTreeFactory;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import scala.collection.Set;
import scala.concurrent.Await;
@Parameters(name = "{0}")
public static Collection<Object[]> data() {
return Arrays.asList(new Object[][] {
- { TestDistributedDataStore.class, 7}, { TestClientBackedDataStore.class, 12 }
+ { TestClientBackedDataStore.class, 12 }
});
}
@Parameter(0)
- public Class<? extends AbstractDataStore> testParameter;
+ public Class<? extends ClientBackedDataStore> testParameter;
@Parameter(1)
public int commitTimeout;
private final TransactionIdentifier tx1 = nextTransactionId();
private final TransactionIdentifier tx2 = nextTransactionId();
- private AbstractDataStore followerDistributedDataStore;
- private AbstractDataStore leaderDistributedDataStore;
+ private ClientBackedDataStore followerDistributedDataStore;
+ private ClientBackedDataStore leaderDistributedDataStore;
private IntegrationTestKit followerTestKit;
private IntegrationTestKit leaderTestKit;
@After
public void tearDown() {
if (followerDistributedDataStore != null) {
- leaderDistributedDataStore.close();
+ followerDistributedDataStore.close();
}
if (leaderDistributedDataStore != null) {
leaderDistributedDataStore.close();
throws Exception {
leaderTestKit = new IntegrationTestKit(leaderSystem, leaderBuilder, commitTimeout);
- leaderDistributedDataStore = leaderTestKit.setupAbstractDataStore(
- testParameter, type, moduleShardsConfig, false, shards);
+ leaderDistributedDataStore = leaderTestKit.setupDataStore(testParameter, type, moduleShardsConfig, false,
+ shards);
followerTestKit = new IntegrationTestKit(followerSystem, followerBuilder, commitTimeout);
- followerDistributedDataStore = followerTestKit.setupAbstractDataStore(
+ followerDistributedDataStore = followerTestKit.setupDataStore(
testParameter, type, moduleShardsConfig, false, shards);
leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorUtils(), shards);
private static void verifyCars(final DOMStoreReadTransaction readTx, final MapEntryNode... entries)
throws Exception {
- final Optional<NormalizedNode> optional = readTx.read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
- assertTrue("isPresent", optional.isPresent());
-
- final CollectionNodeBuilder<MapEntryNode, SystemMapNode> listBuilder = ImmutableNodes.mapNodeBuilder(
- CarsModel.CAR_QNAME);
- for (final NormalizedNode entry: entries) {
- listBuilder.withChild((MapEntryNode) entry);
- }
-
- assertEquals("Car list node", listBuilder.build(), optional.get());
+ assertEquals("Car list node",
+ Optional.of(ImmutableNodes.mapNodeBuilder(CarsModel.CAR_QNAME).withValue(Arrays.asList(entries)).build()),
+ readTx.read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS));
}
private static void verifyNode(final DOMStoreReadTransaction readTx, final YangInstanceIdentifier path,
final ActorSystem newSystem = newActorSystem("reinstated-member2", "Member2");
- try (AbstractDataStore member2Datastore = new IntegrationTestKit(newSystem, leaderDatastoreContextBuilder,
- commitTimeout)
- .setupAbstractDataStore(testParameter, testName, "module-shards-member2", true, CARS)) {
+ try (var member2Datastore = new IntegrationTestKit(newSystem, leaderDatastoreContextBuilder, commitTimeout)
+ .setupDataStore(testParameter, testName, "module-shards-member2", true, CARS)) {
verifyCars(member2Datastore.newReadOnlyTransaction(), car2);
}
}
// wait to let the shard catch up with purged
await("Range set leak test").atMost(5, TimeUnit.SECONDS)
- .pollInterval(500, TimeUnit.MILLISECONDS)
- .untilAsserted(() -> {
- final var localShard = leaderDistributedDataStore.getActorUtils().findLocalShard("cars")
- .orElseThrow();
- final var frontendMetadata =
- (FrontendShardDataTreeSnapshotMetadata) leaderDistributedDataStore.getActorUtils()
- .executeOperation(localShard, new RequestFrontendMetadata());
-
- final var clientMeta = frontendMetadata.getClients().get(0);
- if (leaderDistributedDataStore.getActorUtils().getDatastoreContext().isUseTellBasedProtocol()) {
- assertTellClientMetadata(clientMeta, numCars * 2);
- } else {
- assertAskClientMetadata(clientMeta);
- }
- });
+ .pollInterval(500, TimeUnit.MILLISECONDS)
+ .untilAsserted(() -> {
+ final var localShard = leaderDistributedDataStore.getActorUtils().findLocalShard("cars").orElseThrow();
+ final var frontendMetadata =
+ (FrontendShardDataTreeSnapshotMetadata) leaderDistributedDataStore.getActorUtils()
+ .executeOperation(localShard, new RequestFrontendMetadata());
+
+ assertClientMetadata(frontendMetadata.getClients().get(0), numCars * 2);
+ });
try (var tx = txChain.newReadOnlyTransaction()) {
- final var body = tx.read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS).orElseThrow().body();
- assertThat(body, instanceOf(Collection.class));
+ final var body = assertInstanceOf(Collection.class,
+ tx.read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS).orElseThrow().body());
assertEquals(numCars, ((Collection<?>) body).size());
}
}
- private void assertAskClientMetadata(final FrontendClientMetadata clientMeta) {
- // ask based should track no metadata
- assertEquals(List.of(), clientMeta.getCurrentHistories());
- }
-
- private void assertTellClientMetadata(final FrontendClientMetadata clientMeta, final long lastPurged) {
+ private static void assertClientMetadata(final FrontendClientMetadata clientMeta, final long lastPurged) {
final var iterator = clientMeta.getCurrentHistories().iterator();
var metadata = iterator.next();
while (iterator.hasNext() && metadata.getHistoryId() != 1) {
metadata = iterator.next();
}
- // FIXME: CONTROLLER-1991: remove this assumption
- assumeTrue(false);
-
assertEquals(UnsignedLongBitmap.of(), metadata.getClosedTransactions());
assertEquals("[[0.." + lastPurged + "]]", metadata.getPurgedTransactions().ranges().toString());
}
@Test
public void testCloseTransactionMetadataLeak() throws Exception {
- // FIXME: CONTROLLER-2016: ask-based frontend triggers this:
- //
- // java.lang.IllegalStateException: Previous transaction
- // member-2-datastore-testCloseTransactionMetadataLeak-fe-0-chn-1-txn-1-0 is not ready yet
- // at org.opendaylight.controller.cluster.datastore.TransactionChainProxy$Allocated.checkReady()
- // at org.opendaylight.controller.cluster.datastore.TransactionChainProxy.newReadOnlyTransaction()
- assumeTrue(testParameter.isAssignableFrom(ClientBackedDataStore.class));
-
initDatastoresWithCars("testCloseTransactionMetadataLeak");
- final DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
+ final var txChain = followerDistributedDataStore.createTransactionChain();
- DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+ var writeTx = txChain.newWriteOnlyTransaction();
writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
followerTestKit.doCommit(writeTx.ready());
int numCars = 5;
for (int i = 0; i < numCars; i++) {
- writeTx = txChain.newWriteOnlyTransaction();
- writeTx.close();
+ try (var tx = txChain.newWriteOnlyTransaction()) {
+ // Empty on purpose
+ }
try (var tx = txChain.newReadOnlyTransaction()) {
tx.read(CarsModel.BASE_PATH).get();
}
}
- writeTx = txChain.newWriteOnlyTransaction();
- writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
- writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
- followerTestKit.doCommit(writeTx.ready());
-
// wait to let the shard catch up with purged
- await("Close transaction purge leak test.").atMost(5, TimeUnit.SECONDS)
- .pollInterval(500, TimeUnit.MILLISECONDS)
- .untilAsserted(() -> {
- final var localShard = leaderDistributedDataStore.getActorUtils().findLocalShard("cars")
- .orElseThrow();
- final var frontendMetadata =
- (FrontendShardDataTreeSnapshotMetadata) leaderDistributedDataStore.getActorUtils()
- .executeOperation(localShard, new RequestFrontendMetadata());
-
- final var clientMeta = frontendMetadata.getClients().get(0);
- if (leaderDistributedDataStore.getActorUtils().getDatastoreContext().isUseTellBasedProtocol()) {
- assertTellClientMetadata(clientMeta, numCars * 2 + 1);
- } else {
- assertAskClientMetadata(clientMeta);
- }
- });
-
- try (var tx = txChain.newReadOnlyTransaction()) {
- final var body = tx.read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS).orElseThrow().body();
- assertThat(body, instanceOf(Collection.class));
- assertEquals(numCars, ((Collection<?>) body).size());
- }
+ await("wait for purges to settle").atMost(5, TimeUnit.SECONDS)
+ .pollInterval(500, TimeUnit.MILLISECONDS)
+ .untilAsserted(() -> {
+ final var localShard = leaderDistributedDataStore.getActorUtils().findLocalShard("cars").orElseThrow();
+ final var frontendMetadata =
+ (FrontendShardDataTreeSnapshotMetadata) leaderDistributedDataStore.getActorUtils()
+ .executeOperation(localShard, new RequestFrontendMetadata());
+
+ assertClientMetadata(frontendMetadata.getClients().get(0), numCars * 2);
+ });
}
@Test
LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore).build(),
MoreExecutors.directExecutor());
- final DOMTransactionChainListener listener = mock(DOMTransactionChainListener.class);
- final DOMTransactionChain txChain = broker.createTransactionChain(listener);
+ final var listener = mock(FutureCallback.class);
+ final DOMTransactionChain txChain = broker.createTransactionChain();
+ txChain.addCallback(listener);
final DOMDataTreeWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
- final ContainerNode invalidData = ImmutableContainerNodeBuilder.create().withNodeIdentifier(
- new YangInstanceIdentifier.NodeIdentifier(CarsModel.BASE_QNAME))
- .withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk")).build();
-
- writeTx.merge(LogicalDatastoreType.CONFIGURATION, CarsModel.BASE_PATH, invalidData);
+ writeTx.merge(LogicalDatastoreType.CONFIGURATION, CarsModel.BASE_PATH, Builders.containerBuilder()
+ .withNodeIdentifier(new NodeIdentifier(CarsModel.BASE_QNAME))
+ .withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk"))
+ .build());
- final var ex = assertThrows(ExecutionException.class, () -> writeTx.commit().get(5, TimeUnit.SECONDS))
- .getCause();
- assertThat(ex, instanceOf(TransactionCommitFailedException.class));
+ final var ex = assertThrows(ExecutionException.class, () -> writeTx.commit().get(5, TimeUnit.SECONDS));
+ assertInstanceOf(TransactionCommitFailedException.class, ex.getCause());
- verify(listener, timeout(5000)).onTransactionChainFailed(eq(txChain), eq(writeTx), any(Throwable.class));
+ verify(listener, timeout(5000)).onFailure(any());
txChain.close();
broker.close();
public void testChainedTransactionFailureWithMultipleShards() throws Exception {
initDatastoresWithCarsAndPeople("testChainedTransactionFailureWithMultipleShards");
- final ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
- ImmutableMap.<LogicalDatastoreType, DOMStore>builder().put(
- LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore).build(),
- MoreExecutors.directExecutor());
+ try (var broker = new ConcurrentDOMDataBroker(
+ Map.of(LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore), MoreExecutors.directExecutor())) {
- final DOMTransactionChainListener listener = mock(DOMTransactionChainListener.class);
- final DOMTransactionChain txChain = broker.createTransactionChain(listener);
+ final var listener = mock(FutureCallback.class);
+ final DOMTransactionChain txChain = broker.createTransactionChain();
+ txChain.addCallback(listener);
- final DOMDataTreeWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
-
- writeTx.put(LogicalDatastoreType.CONFIGURATION, PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
+ final DOMDataTreeWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
- final ContainerNode invalidData = ImmutableContainerNodeBuilder.create().withNodeIdentifier(
- new YangInstanceIdentifier.NodeIdentifier(CarsModel.BASE_QNAME))
- .withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk")).build();
+ writeTx.put(LogicalDatastoreType.CONFIGURATION, PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
- // Note that merge will validate the data and fail but put succeeds b/c deep validation is not
- // done for put for performance reasons.
- writeTx.merge(LogicalDatastoreType.CONFIGURATION, CarsModel.BASE_PATH, invalidData);
+ // Note that merge will validate the data and fail but put succeeds b/c deep validation is not
+ // done for put for performance reasons.
+ writeTx.merge(LogicalDatastoreType.CONFIGURATION, CarsModel.BASE_PATH, Builders.containerBuilder()
+ .withNodeIdentifier(new NodeIdentifier(CarsModel.BASE_QNAME))
+ .withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk"))
+ .build());
- final var ex = assertThrows(ExecutionException.class, () -> writeTx.commit().get(5, TimeUnit.SECONDS))
- .getCause();
- assertThat(ex, instanceOf(TransactionCommitFailedException.class));
+ final var ex = assertThrows(ExecutionException.class, () -> writeTx.commit().get(5, TimeUnit.SECONDS))
+ .getCause();
+ assertThat(ex, instanceOf(TransactionCommitFailedException.class));
- verify(listener, timeout(5000)).onTransactionChainFailed(eq(txChain), eq(writeTx), any(Throwable.class));
+ verify(listener, timeout(5000)).onFailure(any());
- txChain.close();
- broker.close();
+ txChain.close();
+ }
}
@Test
.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(5);
IntegrationTestKit newMember1TestKit = new IntegrationTestKit(leaderSystem, newMember1Builder, commitTimeout);
- try (AbstractDataStore ds =
- newMember1TestKit.setupAbstractDataStore(
- testParameter, testName, MODULE_SHARDS_CARS_ONLY_1_2, false, CARS)) {
+ try (var ds = newMember1TestKit.setupDataStore(testParameter, testName, MODULE_SHARDS_CARS_ONLY_1_2, false,
+ CARS)) {
followerTestKit.waitUntilLeader(followerDistributedDataStore.getActorUtils(), CARS);
}
}
- @SuppressWarnings("unchecked")
@Test
public void testReadyLocalTransactionForwardedToLeader() throws Exception {
initDatastoresWithCars("testReadyLocalTransactionForwardedToLeader");
ReadyLocalTransaction readyLocal = new ReadyLocalTransaction(tx1 , modification, true, Optional.empty());
- carsFollowerShard.get().tell(readyLocal, followerTestKit.getRef());
+ carsFollowerShard.orElseThrow().tell(readyLocal, followerTestKit.getRef());
Object resp = followerTestKit.expectMsgClass(Object.class);
if (resp instanceof akka.actor.Status.Failure) {
throw new AssertionError("Unexpected failure response", ((akka.actor.Status.Failure)resp).cause());
readyLocal = new ReadyLocalTransaction(tx2 , modification, false, Optional.empty());
- carsFollowerShard.get().tell(readyLocal, followerTestKit.getRef());
+ carsFollowerShard.orElseThrow().tell(readyLocal, followerTestKit.getRef());
resp = followerTestKit.expectMsgClass(Object.class);
if (resp instanceof akka.actor.Status.Failure) {
throw new AssertionError("Unexpected failure response", ((akka.actor.Status.Failure)resp).cause());
verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1, car2);
}
- @SuppressWarnings("unchecked")
@Test
public void testForwardedReadyTransactionForwardedToLeader() throws Exception {
initDatastoresWithCars("testForwardedReadyTransactionForwardedToLeader");
followerDistributedDataStore.getActorUtils().findLocalShard("cars");
assertTrue("Cars follower shard found", carsFollowerShard.isPresent());
- carsFollowerShard.get().tell(GetShardDataTree.INSTANCE, followerTestKit.getRef());
+ carsFollowerShard.orElseThrow().tell(GetShardDataTree.INSTANCE, followerTestKit.getRef());
final DataTree dataTree = followerTestKit.expectMsgClass(DataTree.class);
// Send a tx with immediate commit.
new ReadWriteShardDataTreeTransaction(mock(ShardDataTreeTransactionParent.class), tx1, modification),
true, Optional.empty());
- carsFollowerShard.get().tell(forwardedReady, followerTestKit.getRef());
+ carsFollowerShard.orElseThrow().tell(forwardedReady, followerTestKit.getRef());
Object resp = followerTestKit.expectMsgClass(Object.class);
if (resp instanceof akka.actor.Status.Failure) {
throw new AssertionError("Unexpected failure response", ((akka.actor.Status.Failure)resp).cause());
new ReadWriteShardDataTreeTransaction(mock(ShardDataTreeTransactionParent.class), tx2, modification),
false, Optional.empty());
- carsFollowerShard.get().tell(forwardedReady, followerTestKit.getRef());
+ carsFollowerShard.orElseThrow().tell(forwardedReady, followerTestKit.getRef());
resp = followerTestKit.expectMsgClass(Object.class);
if (resp instanceof akka.actor.Status.Failure) {
throw new AssertionError("Unexpected failure response", ((akka.actor.Status.Failure)resp).cause());
leaderDatastoreContextBuilder.shardBatchedModificationCount(2);
initDatastoresWithCarsAndPeople("testTransactionForwardedToLeaderAfterRetry");
+ // Verify backend statistics on start
+ verifyCarsReadWriteTransactions(leaderDistributedDataStore, 0);
+ verifyCarsReadWriteTransactions(followerDistributedDataStore, 0);
+
// Do an initial write to get the primary shard info cached.
final DOMStoreWriteTransaction initialWriteTx = followerDistributedDataStore.newWriteOnlyTransaction();
writeTx2.write(PeopleModel.PERSON_LIST_PATH, people);
final DOMStoreThreePhaseCommitCohort writeTx2Cohort = writeTx2.ready();
+ // At this point only leader should see the transactions
+ verifyCarsReadWriteTransactions(leaderDistributedDataStore, 2);
+ verifyCarsReadWriteTransactions(followerDistributedDataStore, 0);
+
// Prepare another WO that writes to a single shard and thus will be directly committed on ready. This
- // tx writes 5 cars so 2 BatchedModidifications messages will be sent initially and cached in the
- // leader shard (with shardBatchedModificationCount set to 2). The 3rd BatchedModidifications will be
- // sent on ready.
+ // tx writes 5 cars so 2 BatchedModifications messages will be sent initially and cached in the leader shard
+ // (with shardBatchedModificationCount set to 2). The 3rd BatchedModifications will be sent on ready.
final DOMStoreWriteTransaction writeTx3 = followerDistributedDataStore.newWriteOnlyTransaction();
for (int i = 1; i <= 5; i++, carIndex++) {
writeTx3.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
}
- // Prepare another WO that writes to a single shard. This will send a single BatchedModidifications
- // message on ready.
+ // Prepare another WO that writes to a single shard. This will send a single BatchedModifications message
+ // on ready.
final DOMStoreWriteTransaction writeTx4 = followerDistributedDataStore.newWriteOnlyTransaction();
cars.add(CarsModel.newCarEntry("car" + carIndex, Uint64.valueOf(carIndex)));
writeTx4.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
carIndex++;
- // Prepare a RW tx that will create a tx actor and send a ForwardedReadyTransaciton message to the
- // leader shard on ready.
+ // Prepare a RW tx that will create a tx actor and send a ForwardedReadyTransaction message to the leader shard
+ // on ready.
final DOMStoreReadWriteTransaction readWriteTx = followerDistributedDataStore.newReadWriteTransaction();
cars.add(CarsModel.newCarEntry("car" + carIndex, Uint64.valueOf(carIndex)));
- readWriteTx.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
+ final YangInstanceIdentifier carPath = CarsModel.newCarPath("car" + carIndex);
+ readWriteTx.write(carPath, cars.getLast());
- // FIXME: CONTROLLER-2017: ClientBackedDataStore reports only 4 transactions
- assumeTrue(DistributedDataStore.class.isAssignableFrom(testParameter));
- IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
- stats -> assertEquals("getReadWriteTransactionCount", 5, stats.getReadWriteTransactionCount()));
+ // There is a difference here between implementations: tell-based protocol enforces batching on per-transaction
+ // level whereas ask-based protocol has a global limit towards a shard -- and hence flushes out last two
+ // transactions eagerly.
+ verifyCarsReadWriteTransactions(leaderDistributedDataStore, 3);
+ verifyCarsReadWriteTransactions(followerDistributedDataStore, 0);
// Disable elections on the leader so it switches to follower.
followerTestKit.doCommit(writeTx4Cohort);
followerTestKit.doCommit(rwTxCohort);
+ // At this point everything is committed and the follower datastore should see 5 transactions, but leader should
+ // only see the initial transactions
+ verifyCarsReadWriteTransactions(leaderDistributedDataStore, 3);
+ verifyCarsReadWriteTransactions(followerDistributedDataStore, 5);
+
DOMStoreReadTransaction readTx = leaderDistributedDataStore.newReadOnlyTransaction();
verifyCars(readTx, cars.toArray(new MapEntryNode[cars.size()]));
verifyNode(readTx, PeopleModel.PERSON_LIST_PATH, people);
}
+ private static void verifyCarsReadWriteTransactions(final ClientBackedDataStore datastore, final int expected)
+ throws Exception {
+ IntegrationTestKit.verifyShardStats(datastore, "cars",
+ stats -> assertEquals("getReadWriteTransactionCount", expected, stats.getReadWriteTransactionCount()));
+ }
+
@Test
public void testLeadershipTransferOnShutdown() throws Exception {
- // FIXME: remove when test passes also for ClientBackedDataStore
- assumeTrue(DistributedDataStore.class.isAssignableFrom(testParameter));
-
leaderDatastoreContextBuilder.shardBatchedModificationCount(1);
followerDatastoreContextBuilder.shardElectionTimeoutFactor(10).customRaftPolicyImplementation(null);
final String testName = "testLeadershipTransferOnShutdown";
final IntegrationTestKit follower2TestKit = new IntegrationTestKit(follower2System,
DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build()).operationTimeoutInMillis(500),
commitTimeout);
- try (AbstractDataStore follower2DistributedDataStore = follower2TestKit.setupAbstractDataStore(
- testParameter, testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, false)) {
+ try (var follower2DistributedDataStore = follower2TestKit.setupDataStore(testParameter, testName,
+ MODULE_SHARDS_CARS_PEOPLE_1_2_3, false)) {
followerTestKit.waitForMembersUp("member-3");
follower2TestKit.waitForMembersUp("member-1", "member-2");
writeTx.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
final DOMStoreThreePhaseCommitCohort cohort1 = writeTx.ready();
- IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
- stats -> assertEquals("getTxCohortCacheSize", 1, stats.getTxCohortCacheSize()));
+ // FIXME: this assertion should be made in an explicit Shard test
+ // IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
+ // stats -> assertEquals("getTxCohortCacheSize", 1, stats.getTxCohortCacheSize()));
writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
final MapEntryNode car = CarsModel.newCarEntry("optima", Uint64.valueOf(20000));
writeTx.write(CarsModel.newCarPath("optima"), car);
final DOMStoreThreePhaseCommitCohort cohort2 = writeTx.ready();
- IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
- stats -> assertEquals("getTxCohortCacheSize", 2, stats.getTxCohortCacheSize()));
+ // FIXME: this assertion should be made in an explicit Shard test
+ // IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
+ // stats -> assertEquals("getTxCohortCacheSize", 2, stats.getTxCohortCacheSize()));
// Gracefully stop the leader via a Shutdown message.
@Test
public void testTransactionWithIsolatedLeader() throws Exception {
- // FIXME: CONTROLLER-2018: remove when test passes also for ClientBackedDataStore
- assumeTrue(DistributedDataStore.class.isAssignableFrom(testParameter));
-
// Set the isolated leader check interval high so we can control the switch to IsolatedLeader.
leaderDatastoreContextBuilder.shardIsolatedLeaderCheckIntervalInMillis(10000000);
final String testName = "testTransactionWithIsolatedLeader";
MemberNode.verifyRaftState(leaderDistributedDataStore, "cars",
raftState -> assertEquals("getRaftState", "IsolatedLeader", raftState.getRaftState()));
- final var ex = assertThrows(ExecutionException.class,
- () -> leaderTestKit.doCommit(noShardLeaderWriteTx.ready()));
- assertEquals(NoShardLeaderException.class, Throwables.getRootCause(ex).getClass());
+ final var noShardLeaderCohort = noShardLeaderWriteTx.ready();
+ // tell-based canCommit() does not have a real timeout and hence continues
+ final var canCommit = noShardLeaderCohort.canCommit();
+ Uninterruptibles.sleepUninterruptibly(commitTimeout, TimeUnit.SECONDS);
+ assertFalse(canCommit.isDone());
sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
.shardElectionTimeoutFactor(100));
final DOMStoreThreePhaseCommitCohort successTxCohort = successWriteTx.ready();
- followerDistributedDataStore = followerTestKit.setupAbstractDataStore(
- testParameter, testName, MODULE_SHARDS_CARS_ONLY_1_2, false, CARS);
+ followerDistributedDataStore = followerTestKit.setupDataStore(testParameter, testName,
+ MODULE_SHARDS_CARS_ONLY_1_2, false, CARS);
leaderTestKit.doCommit(preIsolatedLeaderTxCohort);
leaderTestKit.doCommit(successTxCohort);
+
+ // continuation of canCommit(): readied transaction will complete commit, but will report an OLFE
+ final var ex = assertThrows(ExecutionException.class,
+ () -> canCommit.get(commitTimeout, TimeUnit.SECONDS)).getCause();
+ assertThat(ex, instanceOf(OptimisticLockFailedException.class));
+ assertEquals("Optimistic lock failed for path " + CarsModel.BASE_PATH, ex.getMessage());
+ final var cause = ex.getCause();
+ assertThat(cause, instanceOf(ConflictingModificationAppliedException.class));
+ final var cmae = (ConflictingModificationAppliedException) cause;
+ assertEquals("Node was created by other transaction.", cmae.getMessage());
+ assertEquals(CarsModel.BASE_PATH, cmae.getPath());
}
@Test
rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
final var ex = assertThrows(ExecutionException.class, () -> followerTestKit.doCommit(rwTx.ready()));
- final String msg = "Unexpected exception: " + Throwables.getStackTraceAsString(ex.getCause());
- if (DistributedDataStore.class.isAssignableFrom(testParameter)) {
- assertTrue(msg, Throwables.getRootCause(ex) instanceof NoShardLeaderException
- || ex.getCause() instanceof ShardLeaderNotRespondingException);
- } else {
- assertThat(msg, Throwables.getRootCause(ex), instanceOf(RequestTimeoutException.class));
- }
+ assertThat("Unexpected exception: " + Throwables.getStackTraceAsString(ex.getCause()),
+ Throwables.getRootCause(ex), instanceOf(RequestTimeoutException.class));
}
@Test
rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
final var ex = assertThrows(ExecutionException.class, () -> followerTestKit.doCommit(rwTx.ready()));
- final String msg = "Unexpected exception: " + Throwables.getStackTraceAsString(ex.getCause());
- if (DistributedDataStore.class.isAssignableFrom(testParameter)) {
- assertThat(msg, Throwables.getRootCause(ex), instanceOf(NoShardLeaderException.class));
- } else {
- assertThat(msg, Throwables.getRootCause(ex), instanceOf(RequestTimeoutException.class));
- }
+ assertThat("Unexpected exception: " + Throwables.getStackTraceAsString(ex.getCause()),
+ Throwables.getRootCause(ex), instanceOf(RequestTimeoutException.class));
}
@Test
final IntegrationTestKit follower2TestKit = new IntegrationTestKit(
follower2System, follower2DatastoreContextBuilder, commitTimeout);
- try (AbstractDataStore ds =
- follower2TestKit.setupAbstractDataStore(
- testParameter, testName, MODULE_SHARDS_CARS_1_2_3, false, CARS)) {
+ try (var ds = follower2TestKit.setupDataStore(testParameter, testName, MODULE_SHARDS_CARS_1_2_3, false, CARS)) {
followerTestKit.waitForMembersUp("member-1", "member-3");
follower2TestKit.waitForMembersUp("member-1", "member-2");
final IntegrationTestKit follower2TestKit = new IntegrationTestKit(
follower2System, follower2DatastoreContextBuilder, commitTimeout);
- final AbstractDataStore ds2 =
- follower2TestKit.setupAbstractDataStore(
- testParameter, testName, MODULE_SHARDS_CARS_1_2_3, false, CARS);
+ final var ds2 = follower2TestKit.setupDataStore(testParameter, testName, MODULE_SHARDS_CARS_1_2_3, false, CARS);
followerTestKit.waitForMembersUp("member-1", "member-3");
follower2TestKit.waitForMembersUp("member-1", "member-2");
// behavior is controlled by akka.coordinated-shutdown.run-by-actor-system-terminate configuration option
TestKit.shutdownActorSystem(follower2System, true);
- ActorRef cars = leaderDistributedDataStore.getActorUtils().findLocalShard("cars").get();
+ ActorRef cars = leaderDistributedDataStore.getActorUtils().findLocalShard("cars").orElseThrow();
final OnDemandRaftState initialState = (OnDemandRaftState) leaderDistributedDataStore.getActorUtils()
.executeOperation(cars, GetOnDemandRaftState.INSTANCE);
await().atMost(10, TimeUnit.SECONDS)
.until(() -> containsUnreachable(followerCluster, follower2Member));
- ActorRef followerCars = followerDistributedDataStore.getActorUtils().findLocalShard("cars").get();
+ ActorRef followerCars = followerDistributedDataStore.getActorUtils().findLocalShard("cars").orElseThrow();
// to simulate a follower not being able to receive messages, but still being able to send messages and becoming
// candidate, we can just send a couple of RequestVotes to both leader and follower.
CarsModel.newCarsMapNode(CarsModel.newCarEntry("optima", Uint64.valueOf(20000))));
AbstractShardTest.writeToStore(tree, CarsModel.BASE_PATH, carsNode);
- final NormalizedNode snapshotRoot = AbstractShardTest.readStore(tree, YangInstanceIdentifier.empty());
+ final NormalizedNode snapshotRoot = AbstractShardTest.readStore(tree, YangInstanceIdentifier.of());
final Snapshot initialSnapshot = Snapshot.create(
new ShardSnapshotState(new MetadataShardDataTreeSnapshot(snapshotRoot)),
Collections.emptyList(), 5, 1, 5, 1, 1, null, null);
@Test
public void testReadWriteMessageSlicing() throws Exception {
- // The slicing is only implemented for tell-based protocol
- assumeTrue(ClientBackedDataStore.class.isAssignableFrom(testParameter));
-
leaderDatastoreContextBuilder.maximumMessageSliceSize(100);
followerDatastoreContextBuilder.maximumMessageSliceSize(100);
initDatastoresWithCars("testLargeReadReplySlicing");
initialWriteTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
leaderTestKit.doCommit(initialWriteTx.ready());
- try (AbstractDataStore follower2DistributedDataStore = follower2TestKit.setupAbstractDataStore(
- testParameter, testName, MODULE_SHARDS_CARS_1_2_3, false)) {
+ try (var follower2DistributedDataStore = follower2TestKit.setupDataStore(testParameter, testName,
+ MODULE_SHARDS_CARS_1_2_3, false)) {
final ActorRef member3Cars = ((LocalShardStore) follower2DistributedDataStore).getLocalShards()
.getLocalShards().get("cars").getActor();
final ActorRef member2Cars = ((LocalShardStore)followerDistributedDataStore).getLocalShards()
.getLocalShards().get("cars").getActor();
- member2Cars.tell(new StartDropMessages(AppendEntries.class), null);
- member3Cars.tell(new StartDropMessages(AppendEntries.class), null);
+ member2Cars.tell(new StartDropMessages<>(AppendEntries.class), null);
+ member3Cars.tell(new StartDropMessages<>(AppendEntries.class), null);
final DOMStoreWriteTransaction newTx = leaderDistributedDataStore.newWriteOnlyTransaction();
newTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
"member-3-shard-cars-testRaftCallbackDuringLeadershipDrop", -1,
-1), member3Cars);
- member2Cars.tell(new StopDropMessages(AppendEntries.class), null);
- member3Cars.tell(new StopDropMessages(AppendEntries.class), null);
+ member2Cars.tell(new StopDropMessages<>(AppendEntries.class), null);
+ member3Cars.tell(new StopDropMessages<>(AppendEntries.class), null);
await("Is tx stuck in COMMIT_PENDING")
.atMost(10, TimeUnit.SECONDS).untilAtomic(submitDone, equalTo(true));
@Test
public void testSnapshotOnRootOverwrite() throws Exception {
- // FIXME: ClientBackedDatastore does not have stable indexes/term, the snapshot index seems to fluctuate
- assumeTrue(DistributedDataStore.class.isAssignableFrom(testParameter));
-
- final String testName = "testSnapshotOnRootOverwrite";
- final String[] shards = {"cars", "default"};
- initDatastores(testName, "module-shards-default-cars-member1-and-2.conf", shards,
- leaderDatastoreContextBuilder.snapshotOnRootOverwrite(true),
- followerDatastoreContextBuilder.snapshotOnRootOverwrite(true));
+ initDatastores("testSnapshotOnRootOverwrite", "module-shards-default-cars-member1-and-2.conf",
+ new String[] {"cars", "default"},
+ leaderDatastoreContextBuilder.snapshotOnRootOverwrite(true),
+ followerDatastoreContextBuilder.snapshotOnRootOverwrite(true));
leaderTestKit.waitForMembersUp("member-2");
- final ContainerNode rootNode = ImmutableContainerNodeBuilder.create()
- .withNodeIdentifier(YangInstanceIdentifier.NodeIdentifier.create(SchemaContext.NAME))
+ final ContainerNode rootNode = Builders.containerBuilder()
+ .withNodeIdentifier(NodeIdentifier.create(SchemaContext.NAME))
.withChild(CarsModel.create())
.build();
- leaderTestKit.testWriteTransaction(leaderDistributedDataStore, YangInstanceIdentifier.empty(), rootNode);
+ leaderTestKit.testWriteTransaction(leaderDistributedDataStore, YangInstanceIdentifier.of(), rootNode);
+ // FIXME: CONTROLLER-2020: ClientBackedDatastore does not have stable indexes/term,
+ // the snapshot index seems to fluctuate
+ assumeTrue(false);
IntegrationTestKit.verifyShardState(leaderDistributedDataStore, "cars",
state -> assertEquals(1, state.getSnapshotIndex()));
verifySnapshot("member-2-shard-cars-testSnapshotOnRootOverwrite", 1);
// root overwrite so expect a snapshot
- leaderTestKit.testWriteTransaction(leaderDistributedDataStore, YangInstanceIdentifier.empty(), rootNode);
+ leaderTestKit.testWriteTransaction(leaderDistributedDataStore, YangInstanceIdentifier.of(), rootNode);
// this was a real snapshot so everything should be in it(1(DisableTrackingPayload) + 1 + 10 + 1)
IntegrationTestKit.verifyShardState(leaderDistributedDataStore, "cars",
verifySnapshot("member-2-shard-cars-testSnapshotOnRootOverwrite", 12);
}
- private void verifySnapshot(final String persistenceId, final long lastAppliedIndex) {
+ private static void verifySnapshot(final String persistenceId, final long lastAppliedIndex) {
await().atMost(5, TimeUnit.SECONDS).untilAsserted(() -> {
List<Snapshot> snap = InMemorySnapshotStore.getSnapshots(persistenceId, Snapshot.class);
assertEquals(1, snap.size());
assertEquals("Snapshot state type", ShardSnapshotState.class, actual.getState().getClass());
MetadataShardDataTreeSnapshot shardSnapshot =
(MetadataShardDataTreeSnapshot) ((ShardSnapshotState)actual.getState()).getSnapshot();
- assertEquals("Snapshot root node", expRoot, shardSnapshot.getRootNode().get());
+ assertEquals("Snapshot root node", expRoot, shardSnapshot.getRootNode().orElseThrow());
}
- private static void sendDatastoreContextUpdate(final AbstractDataStore dataStore, final Builder builder) {
+ private static void sendDatastoreContextUpdate(final ClientBackedDataStore dataStore, final Builder builder) {
final Builder newBuilder = DatastoreContext.newBuilderFrom(builder.build());
final DatastoreContextFactory mockContextFactory = mock(DatastoreContextFactory.class);
final Answer<DatastoreContext> answer = invocation -> newBuilder.build();