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.AskTimeoutException;
+import akka.pattern.Patterns;
import akka.testkit.JavaTestKit;
import com.google.common.base.Optional;
+import com.google.common.base.Supplier;
+import com.google.common.collect.ImmutableMap;
+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.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
+import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import org.opendaylight.controller.cluster.datastore.DatastoreContext.Builder;
+import org.opendaylight.controller.cluster.datastore.IntegrationTestKit.ShardStatsVerifier;
+import org.opendaylight.controller.cluster.datastore.MemberNode.RaftStateVerifier;
+import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
+import org.opendaylight.controller.cluster.datastore.exceptions.ShardLeaderNotRespondingException;
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
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.raft.client.messages.OnDemandRaftState;
+import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
+import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
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.
*/
public class DistributedDataStoreRemotingIntegrationTest {
- private static final String[] SHARD_NAMES = {"cars", "people"};
+ private static final String[] CARS_AND_PEOPLE = {"cars", "people"};
+ private static final String[] CARS = {"cars"};
+
+ private static final Address MEMBER_1_ADDRESS = AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558");
+ private static final Address MEMBER_2_ADDRESS = AddressFromURIString.parse("akka.tcp://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 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 DistributedDataStore followerDistributedDataStore;
private DistributedDataStore leaderDistributedDataStore;
private IntegrationTestKit leaderTestKit;
@Before
- public void setUpClass() {
+ public void setUp() {
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() {
JavaTestKit.shutdownActorSystem(leaderSystem);
JavaTestKit.shutdownActorSystem(followerSystem);
+ JavaTestKit.shutdownActorSystem(follower2System);
+ }
+
+ private void initDatastoresWithCars(String type) {
+ initDatastores(type, MODULE_SHARDS_CARS_ONLY_1_2, CARS);
+ }
+
+ private void initDatastoresWithCarsAndPeople(String type) {
+ initDatastores(type, MODULE_SHARDS_CARS_PEOPLE_1_2, CARS_AND_PEOPLE);
}
- private void initDatastores(String type) {
+ private void initDatastores(String type, String moduleShardsConfig, String[] shards) {
leaderTestKit = new IntegrationTestKit(leaderSystem, leaderDatastoreContextBuilder);
- String moduleShardsConfig = "module-shards-member1-and-2.conf";
+ leaderDistributedDataStore = leaderTestKit.setupDistributedDataStore(type, moduleShardsConfig, false, shards);
followerTestKit = new IntegrationTestKit(followerSystem, followerDatastoreContextBuilder);
- followerDistributedDataStore = followerTestKit.setupDistributedDataStore(type, moduleShardsConfig, false, SHARD_NAMES);
-
- leaderDistributedDataStore = leaderTestKit.setupDistributedDataStore(type, moduleShardsConfig, true, SHARD_NAMES);
+ followerDistributedDataStore = followerTestKit.setupDistributedDataStore(type, moduleShardsConfig, false, shards);
- leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(), SHARD_NAMES);
+ leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(), shards);
}
- private void verifyCars(DOMStoreReadTransaction readTx, MapEntryNode... entries) throws Exception {
+ private static void verifyCars(DOMStoreReadTransaction readTx, MapEntryNode... entries) throws Exception {
Optional<NormalizedNode<?, ?>> optional = readTx.read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
assertEquals("isPresent", true, optional.isPresent());
assertEquals("Car list node", listBuilder.build(), optional.get());
}
- private void verifyNode(DOMStoreReadTransaction readTx, YangInstanceIdentifier path, NormalizedNode<?, ?> expNode)
+ private static void verifyNode(DOMStoreReadTransaction readTx, YangInstanceIdentifier path, NormalizedNode<?, ?> expNode)
throws Exception {
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 {
+ private static void verifyExists(DOMStoreReadTransaction readTx, YangInstanceIdentifier path) throws Exception {
Boolean exists = readTx.exists(path).get(5, TimeUnit.SECONDS);
assertEquals("exists", true, exists);
}
@Test
public void testWriteTransactionWithSingleShard() throws Exception {
String testName = "testWriteTransactionWithSingleShard";
- initDatastores(testName);
+ initDatastoresWithCars(testName);
String followerCarShardName = "member-2-shard-cars-" + testName;
InMemoryJournal.addWriteMessagesCompleteLatch(followerCarShardName, 2, ApplyJournalEntries.class );
ActorSystem newSystem = ActorSystem.create("reinstated-member2", ConfigFactory.load().getConfig("Member2"));
DistributedDataStore member2Datastore = new IntegrationTestKit(newSystem, leaderDatastoreContextBuilder).
- setupDistributedDataStore(testName, "module-shards-member2", true, SHARD_NAMES);
+ setupDistributedDataStore(testName, "module-shards-member2", true, CARS_AND_PEOPLE);
verifyCars(member2Datastore.newReadOnlyTransaction(), car2);
@Test
public void testReadWriteTransactionWithSingleShard() throws Exception {
- initDatastores("testReadWriteTransactionWithSingleShard");
+ initDatastoresWithCars("testReadWriteTransactionWithSingleShard");
DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
assertNotNull("newReadWriteTransaction returned null", rwTx);
@Test
public void testWriteTransactionWithMultipleShards() throws Exception {
- initDatastores("testWriteTransactionWithMultipleShards");
+ initDatastoresWithCarsAndPeople("testWriteTransactionWithMultipleShards");
DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
assertNotNull("newWriteOnlyTransaction returned null", writeTx);
@Test
public void testReadWriteTransactionWithMultipleShards() throws Exception {
- initDatastores("testReadWriteTransactionWithMultipleShards");
+ initDatastoresWithCarsAndPeople("testReadWriteTransactionWithMultipleShards");
DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
assertNotNull("newReadWriteTransaction returned null", rwTx);
}
@Test
- public void testTransactionChain() throws Exception {
- initDatastores("testTransactionChain");
+ public void testTransactionChainWithSingleShard() throws Exception {
+ initDatastoresWithCars("testTransactionChainWithSingleShard");
DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car2);
}
+ @Test
+ public void testTransactionChainWithMultipleShards() throws Exception{
+ initDatastoresWithCarsAndPeople("testTransactionChainWithMultipleShards");
+
+ DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
+
+ DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+ assertNotNull("newWriteOnlyTransaction returned null", writeTx);
+
+ writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+ writeTx.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
+
+ writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
+ writeTx.write(PeopleModel.PERSON_LIST_PATH, PeopleModel.newPersonMapNode());
+
+ followerTestKit.doCommit(writeTx.ready());
+
+ DOMStoreReadWriteTransaction readWriteTx = txChain.newReadWriteTransaction();
+
+ MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
+ readWriteTx.write(carPath, car);
+
+ MapEntryNode person = PeopleModel.newPersonEntry("jack");
+ 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", car, optional.get());
+
+ optional = readWriteTx.read(personPath).get(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", true, optional.isPresent());
+ assertEquals("Data node", person, optional.get());
+
+ DOMStoreThreePhaseCommitCohort cohort2 = readWriteTx.ready();
+
+ writeTx = txChain.newWriteOnlyTransaction();
+
+ writeTx.delete(personPath);
+
+ DOMStoreThreePhaseCommitCohort cohort3 = writeTx.ready();
+
+ followerTestKit.doCommit(cohort2);
+ followerTestKit.doCommit(cohort3);
+
+ txChain.close();
+
+ 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");
+
+ ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
+ ImmutableMap.<LogicalDatastoreType, DOMStore>builder().put(
+ LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore).build(),
+ MoreExecutors.directExecutor());
+
+ TransactionChainListener listener = Mockito.mock(TransactionChainListener.class);
+ DOMTransactionChain txChain = broker.createTransactionChain(listener);
+
+ DOMDataWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+
+ 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 (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");
+
+ ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
+ ImmutableMap.<LogicalDatastoreType, DOMStore>builder().put(
+ LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore).build(),
+ MoreExecutors.directExecutor());
+
+ TransactionChainListener listener = Mockito.mock(TransactionChainListener.class);
+ DOMTransactionChain txChain = broker.createTransactionChain(listener);
+
+ DOMDataWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
+
+ writeTx.put(LogicalDatastoreType.CONFIGURATION, PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
+
+ 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 (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 {
+ String testName = "testSingleShardTransactionsWithLeaderChanges";
+ initDatastoresWithCars(testName);
+
+ 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);
+
+ followerTestKit.waitUntilNoLeader(followerDistributedDataStore.getActorContext(), CARS);
+
+ leaderSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
+ Cluster.get(leaderSystem).join(MEMBER_2_ADDRESS);
+
+ DatastoreContext.Builder newMember1Builder = DatastoreContext.newBuilder().
+ shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(5);
+ IntegrationTestKit newMember1TestKit = new IntegrationTestKit(leaderSystem, newMember1Builder);
+ newMember1TestKit.setupDistributedDataStore(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");
assertEquals("Cars follower shard found", true, carsFollowerShard.isPresent());
- TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create();
+ TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
dataTree.setSchemaContext(SchemaContextHelper.full());
+
+ // 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 car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ new WriteModification(CarsModel.newCarPath("optima"), car1).apply(modification);
+ modification.ready();
+
+ ReadyLocalTransaction readyLocal = new ReadyLocalTransaction("tx-1" , modification, true);
+
+ carsFollowerShard.get().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());
+ }
+
+ 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("tx-2" , 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());
+
+ ActorSelection txActor = leaderDistributedDataStore.getActorContext().actorSelection(
+ ((ReadyTransactionReply)resp).getCohortPath());
+
+ 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)), "tx-2");
+ 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");
+ Optional<ActorRef> carsFollowerShard = followerDistributedDataStore.getActorContext().findLocalShard("cars");
+ assertEquals("Cars follower shard found", true, carsFollowerShard.isPresent());
+
+ carsFollowerShard.get().tell(GetShardDataTree.INSTANCE, followerTestKit.getRef());
+ 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);
+ MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ new WriteModification(CarsModel.newCarPath("optima"), car1).apply(modification);
+
+ ForwardedReadyTransaction forwardedReady = new ForwardedReadyTransaction("tx-1",
+ DataStoreVersions.CURRENT_VERSION, new ReadWriteShardDataTreeTransaction(
+ Mockito.mock(ShardDataTreeTransactionParent.class), "tx-1", 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("tx-2",
+ DataStoreVersions.CURRENT_VERSION, new ReadWriteShardDataTreeTransaction(
+ Mockito.mock(ShardDataTreeTransactionParent.class), "tx-2", 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());
+
+ 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)), "tx-2");
+ 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 {
+ initDatastoresWithCars("testTransactionForwardedToLeaderAfterRetry");
+
+ // Do an initial write to get the primary shard info cached.
+
+ DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
+ writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+ writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
+ followerTestKit.doCommit(writeTx.ready());
+
+ // Wait for the commit to be replicated to the follower.
+
+ MemberNode.verifyRaftState(followerDistributedDataStore, "cars", new RaftStateVerifier() {
+ @Override
+ public void verify(OnDemandRaftState raftState) {
+ assertEquals("getLastApplied", 0, raftState.getLastApplied());
+ }
+ });
+
+ // Create and prepare wo and rw tx's.
+
+ writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
+ MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
+ writeTx.write(CarsModel.newCarPath("optima"), car1);
+
+ DOMStoreReadWriteTransaction readWriteTx = followerDistributedDataStore.newReadWriteTransaction();
+ MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(30000));
+ readWriteTx.write(CarsModel.newCarPath("sportage"), car2);
+
+ IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars", new ShardStatsVerifier() {
+ @Override
+ public void verify(ShardStats 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 tx's and enable elections on the follower so it becomes the leader, at which point the
+ // readied tx's should get forwarded from the previous leader.
+
+ DOMStoreThreePhaseCommitCohort cohort1 = writeTx.ready();
+ DOMStoreThreePhaseCommitCohort cohort2 = readWriteTx.ready();
+
+ sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder.
+ customRaftPolicyImplementation(null).shardElectionTimeoutFactor(1));
+
+ followerTestKit.doCommit(cohort1);
+ followerTestKit.doCommit(cohort2);
+
+ verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1, car2);
+ }
+
+ @Test
+ public void testLeadershipTransferOnShutdown() throws Exception {
+ leaderDatastoreContextBuilder.shardBatchedModificationCount(1);
+ followerDatastoreContextBuilder.shardElectionTimeoutFactor(10).customRaftPolicyImplementation(null);
+ String testName = "testLeadershipTransferOnShutdown";
+ initDatastores(testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, CARS_AND_PEOPLE);
+
+ IntegrationTestKit follower2TestKit = new IntegrationTestKit(follower2System, followerDatastoreContextBuilder);
+ DistributedDataStore follower2DistributedDataStore = follower2TestKit.setupDistributedDataStore(testName,
+ MODULE_SHARDS_CARS_PEOPLE_1_2_3, false);
+
+ // 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());
+ DOMStoreThreePhaseCommitCohort cohort1 = writeTx.ready();
+
+ IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars", new ShardStatsVerifier() {
+ @Override
+ public void verify(ShardStats stats) {
+ assertEquals("getTxCohortCacheSize", 1, stats.getTxCohortCacheSize());
+ }
+ });
+
+ writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
- new WriteModification(CarsModel.newCarPath("optima"), car).apply(modification);
+ writeTx.write(CarsModel.newCarPath("optima"), car);
+ DOMStoreThreePhaseCommitCohort cohort2 = writeTx.ready();
- String transactionID = "tx-1";
- ReadyLocalTransaction readyLocal = new ReadyLocalTransaction(transactionID , modification, true);
+ IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars", new ShardStatsVerifier() {
+ @Override
+ public void verify(ShardStats stats) {
+ assertEquals("getTxCohortCacheSize", 2, stats.getTxCohortCacheSize());
+ }
+ });
- carsFollowerShard.get().tell(readyLocal, followerTestKit.getRef());
- followerTestKit.expectMsgClass(CommitTransactionReply.SERIALIZABLE_CLASS);
+ // Gracefully stop the leader via a Shutdown message.
+
+ sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder.
+ shardElectionTimeoutFactor(100));
+
+ FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
+ Future<ActorRef> future = leaderDistributedDataStore.getActorContext().findLocalShardAsync("cars");
+ ActorRef leaderActor = Await.result(future, duration);
+
+ 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.
+
+ 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 Throwable {
+ leaderDatastoreContextBuilder.shardIsolatedLeaderCheckIntervalInMillis(200);
+ String testName = "testTransactionWithIsolatedLeader";
+ initDatastoresWithCars(testName);
+
+ DOMStoreWriteTransaction failWriteTx = leaderDistributedDataStore.newWriteOnlyTransaction();
+ failWriteTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ DOMStoreWriteTransaction successWriteTx = leaderDistributedDataStore.newWriteOnlyTransaction();
+ successWriteTx.merge(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ followerTestKit.watch(followerDistributedDataStore.getActorContext().getShardManager());
+ followerDistributedDataStore.close();
+ followerTestKit.expectTerminated(followerDistributedDataStore.getActorContext().getShardManager());
+
+ MemberNode.verifyRaftState(leaderDistributedDataStore, "cars", new RaftStateVerifier() {
+ @Override
+ public void verify(OnDemandRaftState raftState) {
+ assertEquals("getRaftState", "IsolatedLeader", raftState.getRaftState());
+ }
+ });
+
+ try {
+ leaderTestKit.doCommit(failWriteTx.ready());
+ fail("Expected NoShardLeaderException");
+ } catch (ExecutionException e) {
+ assertEquals("getCause", NoShardLeaderException.class, e.getCause().getClass());
+ }
+
+ sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder.
+ shardElectionTimeoutFactor(100));
+
+ DOMStoreThreePhaseCommitCohort writeTxCohort = successWriteTx.ready();
+
+ followerDistributedDataStore = followerTestKit.setupDistributedDataStore(testName,
+ MODULE_SHARDS_CARS_ONLY_1_2, false, CARS);
+
+ leaderTestKit.doCommit(writeTxCohort);
+ }
+
+ @Test(expected=AskTimeoutException.class)
+ public void testTransactionWithShardLeaderNotResponding() throws Throwable {
+ initDatastoresWithCars("testTransactionWithShardLeaderNotResponding");
+
+ // Do an initial read to get the primary shard info cached.
+
+ 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);
+
+ DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+
+ rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ try {
+ followerTestKit.doCommit(rwTx.ready());
+ } catch (ExecutionException e) {
+ assertTrue("Expected ShardLeaderNotRespondingException cause. Actual: " + e.getCause(),
+ e.getCause() instanceof ShardLeaderNotRespondingException);
+ assertNotNull("Expected a nested cause", e.getCause().getCause());
+ throw e.getCause().getCause();
+ }
+ }
+
+ @Test(expected=NoShardLeaderException.class)
+ public void testTransactionWithCreateTxFailureDueToNoLeader() throws Throwable {
+ initDatastoresWithCars("testTransactionWithCreateTxFailureDueToNoLeader");
+
+ // Do an initial read to get the primary shard info cached.
+
+ 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);
+
+ Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
+
+ sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder.
+ operationTimeoutInMillis(10).shardElectionTimeoutFactor(1).customRaftPolicyImplementation(null));
+
+ DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+
+ rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ try {
+ followerTestKit.doCommit(rwTx.ready());
+ } catch (ExecutionException e) {
+ throw e.getCause();
+ }
+ }
+
+ @Test
+ public void testTransactionRetryWithInitialAskTimeoutExOnCreateTx() throws Exception {
+ String testName = "testTransactionRetryWithInitialAskTimeoutExOnCreateTx";
+ initDatastores(testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, CARS);
+
+ DatastoreContext.Builder follower2DatastoreContextBuilder = DatastoreContext.newBuilder().
+ shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(5);
+ IntegrationTestKit follower2TestKit = new IntegrationTestKit(follower2System, follower2DatastoreContextBuilder);
+ follower2TestKit.setupDistributedDataStore(testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, false, CARS);
+
+ // Do an initial read to get the primary shard info cached.
+
+ 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);
+
+ sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder.
+ operationTimeoutInMillis(500).shardElectionTimeoutFactor(1).customRaftPolicyImplementation(null));
+
+ DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
+
+ rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
+
+ followerTestKit.doCommit(rwTx.ready());
+ }
- verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car);
+ private static void sendDatastoreContextUpdate(DistributedDataStore dataStore, final Builder builder) {
+ final Builder newBuilder = DatastoreContext.newBuilderFrom(builder.build());
+ DatastoreContextFactory mockContextFactory = Mockito.mock(DatastoreContextFactory.class);
+ Answer<DatastoreContext> answer = new Answer<DatastoreContext>() {
+ @Override
+ public DatastoreContext answer(InvocationOnMock invocation) {
+ return newBuilder.build();
+ }
+ };
+ Mockito.doAnswer(answer).when(mockContextFactory).getBaseDatastoreContext();
+ Mockito.doAnswer(answer).when(mockContextFactory).getShardDatastoreContext(Mockito.anyString());
+ dataStore.onDatastoreContextUpdated(mockContextFactory);
}
}
Code Review / controller.git / blobdiff