/*
- * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015, 2017 Brocade Communications Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.verify;
+
import akka.actor.ActorRef;
+import akka.actor.ActorSelection;
import akka.actor.ActorSystem;
import akka.actor.Address;
import akka.actor.AddressFromURIString;
import akka.cluster.Cluster;
+import akka.dispatch.Futures;
+import akka.pattern.Patterns;
import akka.testkit.JavaTestKit;
import com.google.common.base.Optional;
+import com.google.common.base.Stopwatch;
+import com.google.common.base.Supplier;
+import com.google.common.base.Throwables;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
+import com.google.common.util.concurrent.Uninterruptibles;
import com.typesafe.config.ConfigFactory;
import java.math.BigInteger;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicLong;
import org.junit.After;
+import org.junit.Assume;
import org.junit.Before;
import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+import org.mockito.Mockito;
+import org.mockito.stubbing.Answer;
+import org.opendaylight.controller.cluster.access.client.RequestTimeoutException;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.controller.cluster.databroker.ClientBackedDataStore;
+import org.opendaylight.controller.cluster.databroker.ConcurrentDOMDataBroker;
+import org.opendaylight.controller.cluster.datastore.DatastoreContext.Builder;
+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.cluster.datastore.messages.ReadyLocalTransaction;
+import org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply;
import org.opendaylight.controller.cluster.datastore.modification.MergeModification;
import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
-import org.opendaylight.controller.cluster.raft.base.messages.ApplyJournalEntries;
+import org.opendaylight.controller.cluster.datastore.persisted.MetadataShardDataTreeSnapshot;
+import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
+import org.opendaylight.controller.cluster.raft.base.messages.TimeoutNow;
+import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
+import org.opendaylight.controller.cluster.raft.persisted.ApplyJournalEntries;
+import org.opendaylight.controller.cluster.raft.persisted.Snapshot;
+import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
+import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
+import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
+import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
+import org.opendaylight.controller.sal.core.spi.data.DOMStore;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+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.MapNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
+import scala.concurrent.Await;
+import scala.concurrent.Future;
+import scala.concurrent.duration.FiniteDuration;
/**
* End-to-end distributed data store tests that exercise remote shards and transactions.
*
* @author Thomas Pantelis
*/
-public class DistributedDataStoreRemotingIntegrationTest {
+@RunWith(Parameterized.class)
+public class DistributedDataStoreRemotingIntegrationTest extends AbstractTest {
+
+ @Parameters(name = "{0}")
+ public static Collection<Object[]> data() {
+ return Arrays.asList(new Object[][] {
+ { DistributedDataStore.class, 7}, { ClientBackedDataStore.class, 12 }
+ });
+ }
+
+ @Parameter(0)
+ public Class<? extends AbstractDataStore> testParameter;
+ @Parameter(1)
+ public int commitTimeout;
+
+ private static final String[] CARS_AND_PEOPLE = {"cars", "people"};
+ private static final String[] CARS = {"cars"};
- private static final String[] SHARD_NAMES = {"cars", "people"};
+ private static final Address MEMBER_1_ADDRESS = AddressFromURIString.parse(
+ "akka://cluster-test@127.0.0.1:2558");
+ private static final Address MEMBER_2_ADDRESS = AddressFromURIString.parse(
+ "akka://cluster-test@127.0.0.1:2559");
+
+ private static final String MODULE_SHARDS_CARS_ONLY_1_2 = "module-shards-cars-member-1-and-2.conf";
+ private static final String MODULE_SHARDS_CARS_PEOPLE_1_2 = "module-shards-member1-and-2.conf";
+ private static final String MODULE_SHARDS_CARS_PEOPLE_1_2_3 = "module-shards-member1-and-2-and-3.conf";
+ private static final String MODULE_SHARDS_CARS_1_2_3 = "module-shards-cars-member-1-and-2-and-3.conf";
private ActorSystem leaderSystem;
private ActorSystem followerSystem;
+ private ActorSystem follower2System;
private final DatastoreContext.Builder leaderDatastoreContextBuilder =
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(1);
+ DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(2);
private final DatastoreContext.Builder followerDatastoreContextBuilder =
- DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(200);
+ DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(5)
+ .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName());
+ private final TransactionIdentifier tx1 = nextTransactionId();
+ private final TransactionIdentifier tx2 = nextTransactionId();
- private DistributedDataStore followerDistributedDataStore;
- private DistributedDataStore leaderDistributedDataStore;
+ private AbstractDataStore followerDistributedDataStore;
+ private AbstractDataStore leaderDistributedDataStore;
private IntegrationTestKit followerTestKit;
private IntegrationTestKit leaderTestKit;
@Before
- public void setUpClass() {
+ public void setUp() {
+ InMemoryJournal.clear();
+ InMemorySnapshotStore.clear();
+
leaderSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
- Address member1Address = AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558");
- Cluster.get(leaderSystem).join(member1Address);
+ Cluster.get(leaderSystem).join(MEMBER_1_ADDRESS);
followerSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
- Cluster.get(followerSystem).join(member1Address);
+ Cluster.get(followerSystem).join(MEMBER_1_ADDRESS);
+
+ follower2System = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member3"));
+ Cluster.get(follower2System).join(MEMBER_1_ADDRESS);
}
@After
- public void tearDownClass() {
+ public void tearDown() {
+ if (followerDistributedDataStore != null) {
+ leaderDistributedDataStore.close();
+ }
+ if (leaderDistributedDataStore != null) {
+ leaderDistributedDataStore.close();
+ }
+
JavaTestKit.shutdownActorSystem(leaderSystem);
JavaTestKit.shutdownActorSystem(followerSystem);
+ JavaTestKit.shutdownActorSystem(follower2System);
+
+ InMemoryJournal.clear();
+ InMemorySnapshotStore.clear();
+ }
+
+ private void initDatastoresWithCars(final String type) throws Exception {
+ initDatastores(type, MODULE_SHARDS_CARS_ONLY_1_2, CARS);
+ }
+
+ private void initDatastoresWithCarsAndPeople(final String type) throws Exception {
+ initDatastores(type, MODULE_SHARDS_CARS_PEOPLE_1_2, CARS_AND_PEOPLE);
}
- private void initDatastores(String type) {
- leaderTestKit = new IntegrationTestKit(leaderSystem, leaderDatastoreContextBuilder);
+ private void initDatastores(final String type, final String moduleShardsConfig, final String[] shards)
+ throws Exception {
+ leaderTestKit = new IntegrationTestKit(leaderSystem, leaderDatastoreContextBuilder, commitTimeout);
- String moduleShardsConfig = "module-shards-member1-and-2.conf";
+ leaderDistributedDataStore = leaderTestKit.setupAbstractDataStore(
+ testParameter, type, moduleShardsConfig, false, shards);
- followerTestKit = new IntegrationTestKit(followerSystem, followerDatastoreContextBuilder);
- followerDistributedDataStore = followerTestKit.setupDistributedDataStore(type, moduleShardsConfig, false, SHARD_NAMES);
+ followerTestKit = new IntegrationTestKit(followerSystem, followerDatastoreContextBuilder, commitTimeout);
+ followerDistributedDataStore = followerTestKit.setupAbstractDataStore(
+ testParameter, type, moduleShardsConfig, false, shards);
- leaderDistributedDataStore = leaderTestKit.setupDistributedDataStore(type, moduleShardsConfig, true, SHARD_NAMES);
+ leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(), shards);
- leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(), SHARD_NAMES);
+ leaderTestKit.waitForMembersUp("member-2");
+ followerTestKit.waitForMembersUp("member-1");
}
- private void verifyCars(DOMStoreReadTransaction readTx, MapEntryNode... entries) throws Exception {
- Optional<NormalizedNode<?, ?>> optional = readTx.read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
+ 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);
assertEquals("isPresent", true, optional.isPresent());
- CollectionNodeBuilder<MapEntryNode, MapNode> listBuilder = ImmutableNodes.mapNodeBuilder(CarsModel.CAR_QNAME);
- for(NormalizedNode<?, ?> entry: entries) {
+ final CollectionNodeBuilder<MapEntryNode, MapNode> listBuilder = ImmutableNodes.mapNodeBuilder(
+ CarsModel.CAR_QNAME);
+ for (final NormalizedNode<?, ?> entry: entries) {
listBuilder.withChild((MapEntryNode) entry);
}
assertEquals("Car list node", listBuilder.build(), optional.get());
}
- private void verifyNode(DOMStoreReadTransaction readTx, YangInstanceIdentifier path, NormalizedNode<?, ?> expNode)
- throws Exception {
- Optional<NormalizedNode<?, ?>> optional = readTx.read(path).get(5, TimeUnit.SECONDS);
+ private static void verifyNode(final DOMStoreReadTransaction readTx, final YangInstanceIdentifier path,
+ final NormalizedNode<?, ?> expNode) throws Exception {
+ final Optional<NormalizedNode<?, ?>> optional = readTx.read(path).get(5, TimeUnit.SECONDS);
assertEquals("isPresent", true, optional.isPresent());
assertEquals("Data node", expNode, optional.get());
}
- private void verifyExists(DOMStoreReadTransaction readTx, YangInstanceIdentifier path) throws Exception {
- Boolean exists = readTx.exists(path).get(5, TimeUnit.SECONDS);
+ private static void verifyExists(final DOMStoreReadTransaction readTx, final YangInstanceIdentifier path)
+ throws Exception {
+ final Boolean exists = readTx.exists(path).get(5, TimeUnit.SECONDS);
assertEquals("exists", true, exists);
}
@Test
public void testWriteTransactionWithSingleShard() throws Exception {
- String testName = "testWriteTransactionWithSingleShard";
- initDatastores(testName);
+ final String testName = "testWriteTransactionWithSingleShard";
+ initDatastoresWithCars(testName);
- String followerCarShardName = "member-2-shard-cars-" + testName;
- InMemoryJournal.addWriteMessagesCompleteLatch(followerCarShardName, 2, ApplyJournalEntries.class );
+ final String followerCarShardName = "member-2-shard-cars-" + testName;
DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
assertNotNull("newWriteOnlyTransaction returned null", writeTx);
writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
- MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
- YangInstanceIdentifier car1Path = CarsModel.newCarPath("optima");
+ final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ final YangInstanceIdentifier car1Path = CarsModel.newCarPath("optima");
writeTx.merge(car1Path, car1);
- MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
- YangInstanceIdentifier car2Path = CarsModel.newCarPath("sportage");
+ final MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
+ final YangInstanceIdentifier car2Path = CarsModel.newCarPath("sportage");
writeTx.merge(car2Path, car2);
followerTestKit.doCommit(writeTx.ready());
// Re-instate the follower member 2 as a single-node to verify replication and recovery.
- InMemoryJournal.waitForWriteMessagesComplete(followerCarShardName);
-
- JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
- JavaTestKit.shutdownActorSystem(followerSystem, null, true);
-
- ActorSystem newSystem = ActorSystem.create("reinstated-member2", ConfigFactory.load().getConfig("Member2"));
+ // The following is a bit tricky. Before we reinstate the follower we need to ensure it has persisted and
+ // applied and all the log entries from the leader. Since we've verified the car data above we know that
+ // all the transactions have been applied on the leader so we first read and capture its lastAppliedIndex.
+ final AtomicLong leaderLastAppliedIndex = new AtomicLong();
+ IntegrationTestKit.verifyShardState(leaderDistributedDataStore, CARS[0],
+ state -> leaderLastAppliedIndex.set(state.getLastApplied()));
+
+ // Now we need to make sure the follower has persisted the leader's lastAppliedIndex via ApplyJournalEntries.
+ // However we don't know exactly how many ApplyJournalEntries messages there will be as it can differ between
+ // the tell-based and ask-based front-ends. For ask-based there will be exactly 2 ApplyJournalEntries but
+ // tell-based persists additional payloads which could be replicated and applied in a batch resulting in
+ // either 2 or 3 ApplyJournalEntries. To handle this we read the follower's persisted ApplyJournalEntries
+ // until we find the one that encompasses the leader's lastAppliedIndex.
+ Stopwatch sw = Stopwatch.createStarted();
+ boolean done = false;
+ while (!done) {
+ final List<ApplyJournalEntries> entries = InMemoryJournal.get(followerCarShardName,
+ ApplyJournalEntries.class);
+ for (ApplyJournalEntries aje: entries) {
+ if (aje.getToIndex() >= leaderLastAppliedIndex.get()) {
+ done = true;
+ break;
+ }
+ }
+
+ assertTrue("Follower did not persist ApplyJournalEntries containing leader's lastAppliedIndex "
+ + leaderLastAppliedIndex + ". Entries persisted: " + entries, sw.elapsed(TimeUnit.SECONDS) <= 5);
+
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ }
- DistributedDataStore member2Datastore = new IntegrationTestKit(newSystem, leaderDatastoreContextBuilder).
- setupDistributedDataStore(testName, "module-shards-member2", true, SHARD_NAMES);
+ JavaTestKit.shutdownActorSystem(leaderSystem, null, Boolean.TRUE);
+ JavaTestKit.shutdownActorSystem(followerSystem, null, Boolean.TRUE);
- verifyCars(member2Datastore.newReadOnlyTransaction(), car2);
+ final ActorSystem newSystem = newActorSystem("reinstated-member2", "Member2");
- JavaTestKit.shutdownActorSystem(newSystem);
+ try (AbstractDataStore member2Datastore = new IntegrationTestKit(newSystem, leaderDatastoreContextBuilder,
+ commitTimeout)
+ .setupAbstractDataStore(testParameter, testName, "module-shards-member2", true, CARS)) {
+ verifyCars(member2Datastore.newReadOnlyTransaction(), car2);
+ }
}
@Test
public void testReadWriteTransactionWithSingleShard() throws Exception {
- initDatastores("testReadWriteTransactionWithSingleShard");
+ initDatastoresWithCars("testReadWriteTransactionWithSingleShard");
- DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+ final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
assertNotNull("newReadWriteTransaction returned null", rwTx);
rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
rwTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
- MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
rwTx.merge(CarsModel.newCarPath("optima"), car1);
verifyCars(rwTx, car1);
- MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
- YangInstanceIdentifier car2Path = CarsModel.newCarPath("sportage");
+ final MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
+ final YangInstanceIdentifier car2Path = CarsModel.newCarPath("sportage");
rwTx.merge(car2Path, car2);
verifyExists(rwTx, car2Path);
@Test
public void testWriteTransactionWithMultipleShards() throws Exception {
- initDatastores("testWriteTransactionWithMultipleShards");
+ initDatastoresWithCarsAndPeople("testWriteTransactionWithMultipleShards");
- DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
+ final DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
assertNotNull("newWriteOnlyTransaction returned null", writeTx);
- YangInstanceIdentifier carsPath = CarsModel.BASE_PATH;
- NormalizedNode<?, ?> carsNode = CarsModel.emptyContainer();
+ final YangInstanceIdentifier carsPath = CarsModel.BASE_PATH;
+ final NormalizedNode<?, ?> carsNode = CarsModel.emptyContainer();
writeTx.write(carsPath, carsNode);
- YangInstanceIdentifier peoplePath = PeopleModel.BASE_PATH;
- NormalizedNode<?, ?> peopleNode = PeopleModel.emptyContainer();
+ final YangInstanceIdentifier peoplePath = PeopleModel.BASE_PATH;
+ final NormalizedNode<?, ?> peopleNode = PeopleModel.emptyContainer();
writeTx.write(peoplePath, peopleNode);
followerTestKit.doCommit(writeTx.ready());
- DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
+ final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
verifyNode(readTx, carsPath, carsNode);
verifyNode(readTx, peoplePath, peopleNode);
@Test
public void testReadWriteTransactionWithMultipleShards() throws Exception {
- initDatastores("testReadWriteTransactionWithMultipleShards");
+ initDatastoresWithCarsAndPeople("testReadWriteTransactionWithMultipleShards");
- DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+ final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
assertNotNull("newReadWriteTransaction returned null", rwTx);
- YangInstanceIdentifier carsPath = CarsModel.BASE_PATH;
- NormalizedNode<?, ?> carsNode = CarsModel.emptyContainer();
+ final YangInstanceIdentifier carsPath = CarsModel.BASE_PATH;
+ final NormalizedNode<?, ?> carsNode = CarsModel.emptyContainer();
rwTx.write(carsPath, carsNode);
- YangInstanceIdentifier peoplePath = PeopleModel.BASE_PATH;
- NormalizedNode<?, ?> peopleNode = PeopleModel.emptyContainer();
+ final YangInstanceIdentifier peoplePath = PeopleModel.BASE_PATH;
+ final NormalizedNode<?, ?> peopleNode = PeopleModel.emptyContainer();
rwTx.write(peoplePath, peopleNode);
followerTestKit.doCommit(rwTx.ready());
- DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
+ final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
verifyNode(readTx, carsPath, carsNode);
verifyNode(readTx, peoplePath, peopleNode);
@Test
public void testTransactionChainWithSingleShard() throws Exception {
- initDatastores("testTransactionChainWithSingleShard");
+ initDatastoresWithCars("testTransactionChainWithSingleShard");
- DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
+ final DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
// Add the top-level cars container with write-only.
- DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+ final DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
assertNotNull("newWriteOnlyTransaction returned null", writeTx);
writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
- writeTx.ready();
+ final DOMStoreThreePhaseCommitCohort writeTxReady = writeTx.ready();
// Verify the top-level cars container with read-only.
// Perform car operations with read-write.
- DOMStoreReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
+ final DOMStoreReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
verifyNode(rwTx, CarsModel.BASE_PATH, CarsModel.emptyContainer());
rwTx.merge(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
- MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
- YangInstanceIdentifier car1Path = CarsModel.newCarPath("optima");
+ final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ final YangInstanceIdentifier car1Path = CarsModel.newCarPath("optima");
rwTx.write(car1Path, car1);
verifyExists(rwTx, car1Path);
verifyCars(rwTx, car1);
- MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
+ final MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
rwTx.merge(CarsModel.newCarPath("sportage"), car2);
rwTx.delete(car1Path);
+ followerTestKit.doCommit(writeTxReady);
+
followerTestKit.doCommit(rwTx.ready());
txChain.close();
}
@Test
- public void testTransactionChainWithMultipleShards() throws Exception{
- initDatastores("testTransactionChainWithMultipleShards");
+ public void testTransactionChainWithMultipleShards() throws Exception {
+ initDatastoresWithCarsAndPeople("testTransactionChainWithMultipleShards");
- DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
+ final DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
assertNotNull("newWriteOnlyTransaction returned null", writeTx);
followerTestKit.doCommit(writeTx.ready());
- DOMStoreReadWriteTransaction readWriteTx = txChain.newReadWriteTransaction();
+ final DOMStoreReadWriteTransaction readWriteTx = txChain.newReadWriteTransaction();
- MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
- YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
+ final MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ final YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
readWriteTx.write(carPath, car);
- MapEntryNode person = PeopleModel.newPersonEntry("jack");
- YangInstanceIdentifier personPath = PeopleModel.newPersonPath("jack");
+ final MapEntryNode person = PeopleModel.newPersonEntry("jack");
+ final YangInstanceIdentifier personPath = PeopleModel.newPersonPath("jack");
readWriteTx.merge(personPath, person);
Optional<NormalizedNode<?, ?>> optional = readWriteTx.read(carPath).get(5, TimeUnit.SECONDS);
assertEquals("isPresent", true, optional.isPresent());
assertEquals("Data node", person, optional.get());
- DOMStoreThreePhaseCommitCohort cohort2 = readWriteTx.ready();
+ final DOMStoreThreePhaseCommitCohort cohort2 = readWriteTx.ready();
writeTx = txChain.newWriteOnlyTransaction();
writeTx.delete(personPath);
- DOMStoreThreePhaseCommitCohort cohort3 = writeTx.ready();
+ final DOMStoreThreePhaseCommitCohort cohort3 = writeTx.ready();
followerTestKit.doCommit(cohort2);
followerTestKit.doCommit(cohort3);
txChain.close();
- DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
+ final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
verifyCars(readTx, car);
optional = readTx.read(personPath).get(5, TimeUnit.SECONDS);
assertEquals("isPresent", false, optional.isPresent());
}
+ @Test
+ public void testChainedTransactionFailureWithSingleShard() throws Exception {
+ initDatastoresWithCars("testChainedTransactionFailureWithSingleShard");
+
+ final ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
+ ImmutableMap.<LogicalDatastoreType, DOMStore>builder().put(
+ LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore).build(),
+ MoreExecutors.directExecutor());
+
+ final TransactionChainListener listener = Mockito.mock(TransactionChainListener.class);
+ final DOMTransactionChain txChain = broker.createTransactionChain(listener);
+
+ final DOMDataWriteTransaction 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);
+
+ try {
+ writeTx.submit().checkedGet(5, TimeUnit.SECONDS);
+ fail("Expected TransactionCommitFailedException");
+ } catch (final TransactionCommitFailedException e) {
+ // Expected
+ }
+
+ verify(listener, timeout(5000)).onTransactionChainFailed(eq(txChain), eq(writeTx), any(Throwable.class));
+
+ txChain.close();
+ broker.close();
+ }
+
+ @Test
+ public void testChainedTransactionFailureWithMultipleShards() throws Exception {
+ initDatastoresWithCarsAndPeople("testChainedTransactionFailureWithMultipleShards");
+
+ final ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
+ ImmutableMap.<LogicalDatastoreType, DOMStore>builder().put(
+ LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore).build(),
+ MoreExecutors.directExecutor());
+
+ final TransactionChainListener listener = Mockito.mock(TransactionChainListener.class);
+ final DOMTransactionChain txChain = broker.createTransactionChain(listener);
+
+ final DOMDataWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+
+ writeTx.put(LogicalDatastoreType.CONFIGURATION, PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
+
+ final ContainerNode invalidData = ImmutableContainerNodeBuilder.create().withNodeIdentifier(
+ new YangInstanceIdentifier.NodeIdentifier(CarsModel.BASE_QNAME))
+ .withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk")).build();
+
+ // 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);
+
+ try {
+ writeTx.submit().checkedGet(5, TimeUnit.SECONDS);
+ fail("Expected TransactionCommitFailedException");
+ } catch (final TransactionCommitFailedException e) {
+ // Expected
+ }
+
+ verify(listener, timeout(5000)).onTransactionChainFailed(eq(txChain), eq(writeTx), any(Throwable.class));
+
+ txChain.close();
+ broker.close();
+ }
+
+ @Test
+ public void testSingleShardTransactionsWithLeaderChanges() throws Exception {
+ followerDatastoreContextBuilder.backendAlivenessTimerIntervalInSeconds(2);
+ final String testName = "testSingleShardTransactionsWithLeaderChanges";
+ initDatastoresWithCars(testName);
+
+ final String followerCarShardName = "member-2-shard-cars-" + testName;
+ InMemoryJournal.addWriteMessagesCompleteLatch(followerCarShardName, 1, ApplyJournalEntries.class);
+
+ // Write top-level car container from the follower so it uses a remote Tx.
+
+ DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
+
+ writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+ writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
+
+ followerTestKit.doCommit(writeTx.ready());
+
+ InMemoryJournal.waitForWriteMessagesComplete(followerCarShardName);
+
+ // Switch the leader to the follower
+
+ sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder
+ .shardElectionTimeoutFactor(1).customRaftPolicyImplementation(null));
+
+ JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
+ Cluster.get(followerSystem).leave(MEMBER_1_ADDRESS);
+
+ followerTestKit.waitUntilNoLeader(followerDistributedDataStore.getActorContext(), CARS);
+
+ leaderSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
+ Cluster.get(leaderSystem).join(MEMBER_2_ADDRESS);
+
+ final DatastoreContext.Builder newMember1Builder = DatastoreContext.newBuilder()
+ .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)) {
+
+ followerTestKit.waitUntilLeader(followerDistributedDataStore.getActorContext(), CARS);
+
+ // Write a car entry to the new leader - should switch to local Tx
+
+ writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
+
+ MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ YangInstanceIdentifier car1Path = CarsModel.newCarPath("optima");
+ writeTx.merge(car1Path, car1);
+
+ followerTestKit.doCommit(writeTx.ready());
+
+ verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car1);
+ }
+ }
+
+ @SuppressWarnings("unchecked")
@Test
public void testReadyLocalTransactionForwardedToLeader() throws Exception {
- initDatastores("testReadyLocalTransactionForwardedToLeader");
+ initDatastoresWithCars("testReadyLocalTransactionForwardedToLeader");
+ followerTestKit.waitUntilLeader(followerDistributedDataStore.getActorContext(), "cars");
- Optional<ActorRef> carsFollowerShard = followerDistributedDataStore.getActorContext().findLocalShard("cars");
+ final Optional<ActorRef> carsFollowerShard = followerDistributedDataStore.getActorContext()
+ .findLocalShard("cars");
assertEquals("Cars follower shard found", true, carsFollowerShard.isPresent());
- TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create();
+ final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
dataTree.setSchemaContext(SchemaContextHelper.full());
- DataTreeModification modification = dataTree.takeSnapshot().newModification();
+ // Send a tx with immediate commit.
+
+ DataTreeModification modification = dataTree.takeSnapshot().newModification();
new WriteModification(CarsModel.BASE_PATH, CarsModel.emptyContainer()).apply(modification);
new MergeModification(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()).apply(modification);
- MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
- new WriteModification(CarsModel.newCarPath("optima"), car).apply(modification);
+ final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ new WriteModification(CarsModel.newCarPath("optima"), car1).apply(modification);
+ modification.ready();
- String transactionID = "tx-1";
- ReadyLocalTransaction readyLocal = new ReadyLocalTransaction(transactionID , modification, true);
+ ReadyLocalTransaction readyLocal = new ReadyLocalTransaction(tx1 , modification, true);
carsFollowerShard.get().tell(readyLocal, followerTestKit.getRef());
- followerTestKit.expectMsgClass(CommitTransactionReply.SERIALIZABLE_CLASS);
+ 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());
+ }
+
+ assertEquals("Response type", CommitTransactionReply.class, resp.getClass());
+
+ verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1);
+
+ // Send another tx without immediate commit.
+
+ modification = dataTree.takeSnapshot().newModification();
+ MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(30000));
+ new WriteModification(CarsModel.newCarPath("sportage"), car2).apply(modification);
+ modification.ready();
+
+ readyLocal = new ReadyLocalTransaction(tx2 , modification, false);
+
+ carsFollowerShard.get().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());
+ }
+
+ assertEquals("Response type", ReadyTransactionReply.class, resp.getClass());
+
+ final ActorSelection txActor = leaderDistributedDataStore.getActorContext().actorSelection(
+ ((ReadyTransactionReply)resp).getCohortPath());
+
+ final Supplier<Short> versionSupplier = Mockito.mock(Supplier.class);
+ Mockito.doReturn(DataStoreVersions.CURRENT_VERSION).when(versionSupplier).get();
+ ThreePhaseCommitCohortProxy cohort = new ThreePhaseCommitCohortProxy(
+ leaderDistributedDataStore.getActorContext(), Arrays.asList(
+ new ThreePhaseCommitCohortProxy.CohortInfo(Futures.successful(txActor), versionSupplier)), tx2);
+ cohort.canCommit().get(5, TimeUnit.SECONDS);
+ cohort.preCommit().get(5, TimeUnit.SECONDS);
+ cohort.commit().get(5, TimeUnit.SECONDS);
+
+ verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1, car2);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Test
+ public void testForwardedReadyTransactionForwardedToLeader() throws Exception {
+ initDatastoresWithCars("testForwardedReadyTransactionForwardedToLeader");
+ followerTestKit.waitUntilLeader(followerDistributedDataStore.getActorContext(), "cars");
+
+ final Optional<ActorRef> carsFollowerShard = followerDistributedDataStore.getActorContext()
+ .findLocalShard("cars");
+ assertEquals("Cars follower shard found", true, carsFollowerShard.isPresent());
+
+ carsFollowerShard.get().tell(GetShardDataTree.INSTANCE, followerTestKit.getRef());
+ final DataTree dataTree = followerTestKit.expectMsgClass(DataTree.class);
+
+ // Send a tx with immediate commit.
+
+ DataTreeModification modification = dataTree.takeSnapshot().newModification();
+ new WriteModification(CarsModel.BASE_PATH, CarsModel.emptyContainer()).apply(modification);
+ new MergeModification(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()).apply(modification);
+
+ final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ new WriteModification(CarsModel.newCarPath("optima"), car1).apply(modification);
+
+ ForwardedReadyTransaction forwardedReady = new ForwardedReadyTransaction(tx1,
+ DataStoreVersions.CURRENT_VERSION, new ReadWriteShardDataTreeTransaction(
+ Mockito.mock(ShardDataTreeTransactionParent.class), tx1, modification), true);
+
+ carsFollowerShard.get().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());
+ }
+
+ assertEquals("Response type", CommitTransactionReply.class, resp.getClass());
+
+ verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1);
+
+ // Send another tx without immediate commit.
+
+ modification = dataTree.takeSnapshot().newModification();
+ MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(30000));
+ new WriteModification(CarsModel.newCarPath("sportage"), car2).apply(modification);
+
+ forwardedReady = new ForwardedReadyTransaction(tx2,
+ DataStoreVersions.CURRENT_VERSION, new ReadWriteShardDataTreeTransaction(
+ Mockito.mock(ShardDataTreeTransactionParent.class), tx2, modification), false);
+
+ carsFollowerShard.get().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());
+ }
+
+ assertEquals("Response type", ReadyTransactionReply.class, resp.getClass());
+
+ ActorSelection txActor = leaderDistributedDataStore.getActorContext().actorSelection(
+ ((ReadyTransactionReply)resp).getCohortPath());
+
+ final Supplier<Short> versionSupplier = Mockito.mock(Supplier.class);
+ Mockito.doReturn(DataStoreVersions.CURRENT_VERSION).when(versionSupplier).get();
+ final ThreePhaseCommitCohortProxy cohort = new ThreePhaseCommitCohortProxy(
+ leaderDistributedDataStore.getActorContext(), Arrays.asList(
+ new ThreePhaseCommitCohortProxy.CohortInfo(Futures.successful(txActor), versionSupplier)), tx2);
+ cohort.canCommit().get(5, TimeUnit.SECONDS);
+ cohort.preCommit().get(5, TimeUnit.SECONDS);
+ cohort.commit().get(5, TimeUnit.SECONDS);
+
+ verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1, car2);
+ }
+
+ @Test
+ public void testTransactionForwardedToLeaderAfterRetry() throws Exception {
+ //TODO remove when test passes also for ClientBackedDataStore
+ Assume.assumeTrue(testParameter.equals(DistributedDataStore.class));
+ followerDatastoreContextBuilder.shardBatchedModificationCount(2);
+ leaderDatastoreContextBuilder.shardBatchedModificationCount(2);
+ initDatastoresWithCarsAndPeople("testTransactionForwardedToLeaderAfterRetry");
+
+ // Do an initial write to get the primary shard info cached.
+
+ final DOMStoreWriteTransaction initialWriteTx = followerDistributedDataStore.newWriteOnlyTransaction();
+ initialWriteTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+ initialWriteTx.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
+ followerTestKit.doCommit(initialWriteTx.ready());
+
+ // Wait for the commit to be replicated to the follower.
+
+ MemberNode.verifyRaftState(followerDistributedDataStore, "cars",
+ raftState -> assertEquals("getLastApplied", 0, raftState.getLastApplied()));
+
+ MemberNode.verifyRaftState(followerDistributedDataStore, "people",
+ raftState -> assertEquals("getLastApplied", 0, raftState.getLastApplied()));
+
+ // Prepare, ready and canCommit a WO tx that writes to 2 shards. This will become the current tx in
+ // the leader shard.
+
+ final DOMStoreWriteTransaction writeTx1 = followerDistributedDataStore.newWriteOnlyTransaction();
+ writeTx1.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
+ writeTx1.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
+ final DOMStoreThreePhaseCommitCohort writeTx1Cohort = writeTx1.ready();
+ final ListenableFuture<Boolean> writeTx1CanCommit = writeTx1Cohort.canCommit();
+ writeTx1CanCommit.get(5, TimeUnit.SECONDS);
+
+ // Prepare and ready another WO tx that writes to 2 shards but don't canCommit yet. This will be queued
+ // in the leader shard.
+
+ final DOMStoreWriteTransaction writeTx2 = followerDistributedDataStore.newWriteOnlyTransaction();
+ final LinkedList<MapEntryNode> cars = new LinkedList<>();
+ int carIndex = 1;
+ cars.add(CarsModel.newCarEntry("car" + carIndex, BigInteger.valueOf(carIndex)));
+ writeTx2.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
+ carIndex++;
+ NormalizedNode<?, ?> people = PeopleModel.newPersonMapNode();
+ writeTx2.write(PeopleModel.PERSON_LIST_PATH, people);
+ final DOMStoreThreePhaseCommitCohort writeTx2Cohort = writeTx2.ready();
+
+ // 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.
+
+ final DOMStoreWriteTransaction writeTx3 = followerDistributedDataStore.newWriteOnlyTransaction();
+ for (int i = 1; i <= 5; i++, carIndex++) {
+ cars.add(CarsModel.newCarEntry("car" + carIndex, BigInteger.valueOf(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.
+
+ final DOMStoreWriteTransaction writeTx4 = followerDistributedDataStore.newWriteOnlyTransaction();
+ cars.add(CarsModel.newCarEntry("car" + carIndex, BigInteger.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.
+
+ final DOMStoreReadWriteTransaction readWriteTx = followerDistributedDataStore.newReadWriteTransaction();
+ cars.add(CarsModel.newCarEntry("car" + carIndex, BigInteger.valueOf(carIndex)));
+ readWriteTx.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
+
+ IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
+ stats -> assertEquals("getReadWriteTransactionCount", 1, stats.getReadWriteTransactionCount()));
+
+ // Disable elections on the leader so it switches to follower.
+
+ sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
+ .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName())
+ .shardElectionTimeoutFactor(10));
+
+ leaderTestKit.waitUntilNoLeader(leaderDistributedDataStore.getActorContext(), "cars");
+
+ // Submit all tx's - the messages should get queued for retry.
+
+ final ListenableFuture<Boolean> writeTx2CanCommit = writeTx2Cohort.canCommit();
+ final DOMStoreThreePhaseCommitCohort writeTx3Cohort = writeTx3.ready();
+ final DOMStoreThreePhaseCommitCohort writeTx4Cohort = writeTx4.ready();
+ final DOMStoreThreePhaseCommitCohort rwTxCohort = readWriteTx.ready();
+
+ // Enable elections on the other follower so it becomes the leader, at which point the
+ // tx's should get forwarded from the previous leader to the new leader to complete the commits.
+
+ sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder
+ .customRaftPolicyImplementation(null).shardElectionTimeoutFactor(1));
+ IntegrationTestKit.findLocalShard(followerDistributedDataStore.getActorContext(), "cars")
+ .tell(TimeoutNow.INSTANCE, ActorRef.noSender());
+ IntegrationTestKit.findLocalShard(followerDistributedDataStore.getActorContext(), "people")
+ .tell(TimeoutNow.INSTANCE, ActorRef.noSender());
+
+ followerTestKit.doCommit(writeTx1CanCommit, writeTx1Cohort);
+ followerTestKit.doCommit(writeTx2CanCommit, writeTx2Cohort);
+ followerTestKit.doCommit(writeTx3Cohort);
+ followerTestKit.doCommit(writeTx4Cohort);
+ followerTestKit.doCommit(rwTxCohort);
+
+ DOMStoreReadTransaction readTx = leaderDistributedDataStore.newReadOnlyTransaction();
+ verifyCars(readTx, cars.toArray(new MapEntryNode[cars.size()]));
+ verifyNode(readTx, PeopleModel.PERSON_LIST_PATH, people);
+ }
+
+ @Test
+ public void testLeadershipTransferOnShutdown() throws Exception {
+ //TODO remove when test passes also for ClientBackedDataStore
+ Assume.assumeTrue(testParameter.equals(DistributedDataStore.class));
+ leaderDatastoreContextBuilder.shardBatchedModificationCount(1);
+ followerDatastoreContextBuilder.shardElectionTimeoutFactor(10).customRaftPolicyImplementation(null);
+ final String testName = "testLeadershipTransferOnShutdown";
+ initDatastores(testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, CARS_AND_PEOPLE);
+
+ final IntegrationTestKit follower2TestKit = new IntegrationTestKit(follower2System,
+ DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build()).operationTimeoutInMillis(100),
+ commitTimeout);
+ try (AbstractDataStore follower2DistributedDataStore = follower2TestKit.setupAbstractDataStore(
+ testParameter, testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, false)) {
+
+ followerTestKit.waitForMembersUp("member-3");
+ follower2TestKit.waitForMembersUp("member-1", "member-2");
+
+ // Create and submit a couple tx's so they're pending.
+
+ DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
+ writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+ writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
+ writeTx.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
+ final DOMStoreThreePhaseCommitCohort cohort1 = writeTx.ready();
+
+ IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
+ stats -> assertEquals("getTxCohortCacheSize", 1, stats.getTxCohortCacheSize()));
+
+ writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
+ final MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ writeTx.write(CarsModel.newCarPath("optima"), car);
+ final DOMStoreThreePhaseCommitCohort cohort2 = writeTx.ready();
+
+ IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
+ stats -> assertEquals("getTxCohortCacheSize", 2, stats.getTxCohortCacheSize()));
+
+ // Gracefully stop the leader via a Shutdown message.
+
+ sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
+ .shardElectionTimeoutFactor(100));
+
+ final FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
+ final Future<ActorRef> future = leaderDistributedDataStore.getActorContext().findLocalShardAsync("cars");
+ final ActorRef leaderActor = Await.result(future, duration);
+
+ final Future<Boolean> stopFuture = Patterns.gracefulStop(leaderActor, duration, Shutdown.INSTANCE);
+
+ // Commit the 2 transactions. They should finish and succeed.
+
+ followerTestKit.doCommit(cohort1);
+ followerTestKit.doCommit(cohort2);
+
+ // Wait for the leader actor stopped.
+
+ final Boolean stopped = Await.result(stopFuture, duration);
+ assertEquals("Stopped", Boolean.TRUE, stopped);
+
+ // Verify leadership was transferred by reading the committed data from the other nodes.
+
+ verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car);
+ verifyCars(follower2DistributedDataStore.newReadOnlyTransaction(), car);
+ }
+ }
+
+ @Test
+ public void testTransactionWithIsolatedLeader() throws Exception {
+ //TODO remove when test passes also for ClientBackedDataStore
+ Assume.assumeTrue(testParameter.equals(DistributedDataStore.class));
+ // Set the isolated leader check interval high so we can control the switch to IsolatedLeader.
+ leaderDatastoreContextBuilder.shardIsolatedLeaderCheckIntervalInMillis(10000000);
+ final String testName = "testTransactionWithIsolatedLeader";
+ initDatastoresWithCars(testName);
+
+ // Tx that is submitted after the follower is stopped but before the leader transitions to IsolatedLeader.
+ final DOMStoreWriteTransaction preIsolatedLeaderWriteTx = leaderDistributedDataStore.newWriteOnlyTransaction();
+ preIsolatedLeaderWriteTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ // Tx that is submitted after the leader transitions to IsolatedLeader.
+ final DOMStoreWriteTransaction noShardLeaderWriteTx = leaderDistributedDataStore.newWriteOnlyTransaction();
+ noShardLeaderWriteTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ // Tx that is submitted after the follower is reinstated.
+ final DOMStoreWriteTransaction successWriteTx = leaderDistributedDataStore.newWriteOnlyTransaction();
+ successWriteTx.merge(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ // Stop the follower
+ followerTestKit.watch(followerDistributedDataStore.getActorContext().getShardManager());
+ followerDistributedDataStore.close();
+ followerTestKit.expectTerminated(followerDistributedDataStore.getActorContext().getShardManager());
+
+ // Submit the preIsolatedLeaderWriteTx so it's pending
+ final DOMStoreThreePhaseCommitCohort preIsolatedLeaderTxCohort = preIsolatedLeaderWriteTx.ready();
+
+ // Change the isolated leader check interval low so it changes to IsolatedLeader.
+ sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
+ .shardIsolatedLeaderCheckIntervalInMillis(200));
+
+ MemberNode.verifyRaftState(leaderDistributedDataStore, "cars",
+ raftState -> assertEquals("getRaftState", "IsolatedLeader", raftState.getRaftState()));
+
+ try {
+ leaderTestKit.doCommit(noShardLeaderWriteTx.ready());
+ fail("Expected NoShardLeaderException");
+ } catch (final ExecutionException e) {
+ assertEquals("getCause", NoShardLeaderException.class, Throwables.getRootCause(e).getClass());
+ }
+
+ sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
+ .shardElectionTimeoutFactor(100));
+
+ final DOMStoreThreePhaseCommitCohort successTxCohort = successWriteTx.ready();
+
+ followerDistributedDataStore = followerTestKit.setupAbstractDataStore(
+ testParameter, testName, MODULE_SHARDS_CARS_ONLY_1_2, false, CARS);
+
+ leaderTestKit.doCommit(preIsolatedLeaderTxCohort);
+ leaderTestKit.doCommit(successTxCohort);
+ }
+
+ @Test
+ public void testTransactionWithShardLeaderNotResponding() throws Exception {
+ followerDatastoreContextBuilder.frontendRequestTimeoutInSeconds(2);
+ followerDatastoreContextBuilder.shardElectionTimeoutFactor(50);
+ initDatastoresWithCars("testTransactionWithShardLeaderNotResponding");
+
+ // Do an initial read to get the primary shard info cached.
+
+ final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
+ readTx.read(CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
+
+ // Shutdown the leader and try to create a new tx.
+
+ JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
+
+ followerDatastoreContextBuilder.operationTimeoutInMillis(50).shardElectionTimeoutFactor(1);
+ sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder);
+
+ final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+
+ rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ try {
+ followerTestKit.doCommit(rwTx.ready());
+ fail("Exception expected");
+ } catch (final ExecutionException e) {
+ final String msg = "Unexpected exception: " + Throwables.getStackTraceAsString(e.getCause());
+ if (DistributedDataStore.class.equals(testParameter)) {
+ assertTrue(msg, Throwables.getRootCause(e) instanceof NoShardLeaderException
+ || e.getCause() instanceof ShardLeaderNotRespondingException);
+ } else {
+ assertTrue(msg, Throwables.getRootCause(e) instanceof RequestTimeoutException);
+ }
+ }
+ }
+
+ @Test
+ public void testTransactionWithCreateTxFailureDueToNoLeader() throws Exception {
+ followerDatastoreContextBuilder.frontendRequestTimeoutInSeconds(2);
+ initDatastoresWithCars("testTransactionWithCreateTxFailureDueToNoLeader");
+
+ // Do an initial read to get the primary shard info cached.
+
+ final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
+ readTx.read(CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
+
+ // Shutdown the leader and try to create a new tx.
+
+ JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
+
+ Cluster.get(followerSystem).leave(MEMBER_1_ADDRESS);
+
+ Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
+
+ sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder
+ .operationTimeoutInMillis(10).shardElectionTimeoutFactor(1).customRaftPolicyImplementation(null));
+
+ final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+
+ rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ try {
+ followerTestKit.doCommit(rwTx.ready());
+ fail("Exception expected");
+ } catch (final ExecutionException e) {
+ final String msg = "Unexpected exception: " + Throwables.getStackTraceAsString(e.getCause());
+ if (DistributedDataStore.class.equals(testParameter)) {
+ assertTrue(msg, Throwables.getRootCause(e) instanceof NoShardLeaderException);
+ } else {
+ assertTrue(msg, Throwables.getRootCause(e) instanceof RequestTimeoutException);
+ }
+ }
+ }
+
+ @Test
+ public void testTransactionRetryWithInitialAskTimeoutExOnCreateTx() throws Exception {
+ followerDatastoreContextBuilder.backendAlivenessTimerIntervalInSeconds(2);
+ String testName = "testTransactionRetryWithInitialAskTimeoutExOnCreateTx";
+ initDatastores(testName, MODULE_SHARDS_CARS_1_2_3, CARS);
+
+ final DatastoreContext.Builder follower2DatastoreContextBuilder = DatastoreContext.newBuilder()
+ .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(10);
+ final IntegrationTestKit follower2TestKit = new IntegrationTestKit(
+ follower2System, follower2DatastoreContextBuilder, commitTimeout);
+
+ try (AbstractDataStore ds =
+ follower2TestKit.setupAbstractDataStore(
+ testParameter, testName, MODULE_SHARDS_CARS_1_2_3, false, CARS)) {
+
+ followerTestKit.waitForMembersUp("member-1", "member-3");
+ follower2TestKit.waitForMembersUp("member-1", "member-2");
+
+ // Do an initial read to get the primary shard info cached.
+
+ final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
+ readTx.read(CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
+
+ // Shutdown the leader and try to create a new tx.
+
+ JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
+
+ Cluster.get(followerSystem).leave(MEMBER_1_ADDRESS);
+
+ sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder
+ .operationTimeoutInMillis(500).shardElectionTimeoutFactor(5).customRaftPolicyImplementation(null));
+
+ final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+
+ rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ followerTestKit.doCommit(rwTx.ready());
+ }
+ }
+
+ @Test
+ public void testInstallSnapshot() throws Exception {
+ final String testName = "testInstallSnapshot";
+ final String leaderCarShardName = "member-1-shard-cars-" + testName;
+ final String followerCarShardName = "member-2-shard-cars-" + testName;
+
+ // Setup a saved snapshot on the leader. The follower will startup with no data and the leader should
+ // install a snapshot to sync the follower.
+
+ TipProducingDataTree tree = InMemoryDataTreeFactory.getInstance().create(TreeType.CONFIGURATION);
+ tree.setSchemaContext(SchemaContextHelper.full());
+
+ final ContainerNode carsNode = CarsModel.newCarsNode(
+ CarsModel.newCarsMapNode(CarsModel.newCarEntry("optima", BigInteger.valueOf(20000))));
+ AbstractShardTest.writeToStore(tree, CarsModel.BASE_PATH, carsNode);
+
+ final NormalizedNode<?, ?> snapshotRoot = AbstractShardTest.readStore(tree, YangInstanceIdentifier.EMPTY);
+ final Snapshot initialSnapshot = Snapshot.create(
+ new ShardSnapshotState(new MetadataShardDataTreeSnapshot(snapshotRoot)),
+ Collections.emptyList(), 5, 1, 5, 1, 1, null, null);
+ InMemorySnapshotStore.addSnapshot(leaderCarShardName, initialSnapshot);
+
+ InMemorySnapshotStore.addSnapshotSavedLatch(leaderCarShardName);
+ InMemorySnapshotStore.addSnapshotSavedLatch(followerCarShardName);
+
+ initDatastoresWithCars(testName);
+
+ final Optional<NormalizedNode<?, ?>> readOptional = leaderDistributedDataStore.newReadOnlyTransaction().read(
+ CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", true, readOptional.isPresent());
+ assertEquals("Node", carsNode, readOptional.get());
+
+ verifySnapshot(InMemorySnapshotStore.waitForSavedSnapshot(leaderCarShardName, Snapshot.class),
+ initialSnapshot, snapshotRoot);
+
+ verifySnapshot(InMemorySnapshotStore.waitForSavedSnapshot(followerCarShardName, Snapshot.class),
+ initialSnapshot, snapshotRoot);
+ }
+
+ @Test
+ public void testReadWriteMessageSlicing() throws Exception {
+ // The slicing is only implemented for tell-based protocol
+ Assume.assumeTrue(testParameter.equals(ClientBackedDataStore.class));
+
+ leaderDatastoreContextBuilder.maximumMessageSliceSize(100);
+ followerDatastoreContextBuilder.maximumMessageSliceSize(100);
+ initDatastoresWithCars("testLargeReadReplySlicing");
+
+ final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+
+ final NormalizedNode<?, ?> carsNode = CarsModel.create();
+ rwTx.write(CarsModel.BASE_PATH, carsNode);
+
+ verifyNode(rwTx, CarsModel.BASE_PATH, carsNode);
+ }
+
+ private static void verifySnapshot(final Snapshot actual, final Snapshot expected,
+ final NormalizedNode<?, ?> expRoot) {
+ assertEquals("Snapshot getLastAppliedTerm", expected.getLastAppliedTerm(), actual.getLastAppliedTerm());
+ assertEquals("Snapshot getLastAppliedIndex", expected.getLastAppliedIndex(), actual.getLastAppliedIndex());
+ assertEquals("Snapshot getLastTerm", expected.getLastTerm(), actual.getLastTerm());
+ assertEquals("Snapshot getLastIndex", expected.getLastIndex(), actual.getLastIndex());
+ assertEquals("Snapshot state type", ShardSnapshotState.class, actual.getState().getClass());
+ MetadataShardDataTreeSnapshot shardSnapshot =
+ (MetadataShardDataTreeSnapshot) ((ShardSnapshotState)actual.getState()).getSnapshot();
+ assertEquals("Snapshot root node", expRoot, shardSnapshot.getRootNode().get());
+ }
- verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car);
+ private static void sendDatastoreContextUpdate(final AbstractDataStore dataStore, final Builder builder) {
+ final Builder newBuilder = DatastoreContext.newBuilderFrom(builder.build());
+ final DatastoreContextFactory mockContextFactory = Mockito.mock(DatastoreContextFactory.class);
+ final Answer<DatastoreContext> answer = invocation -> newBuilder.build();
+ Mockito.doAnswer(answer).when(mockContextFactory).getBaseDatastoreContext();
+ Mockito.doAnswer(answer).when(mockContextFactory).getShardDatastoreContext(Mockito.anyString());
+ dataStore.onDatastoreContextUpdated(mockContextFactory);
}
}
Code Review / controller.git / blobdiff