+/*
+ * Copyright (c) 2014, 2015 Cisco 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,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
package org.opendaylight.controller.cluster.datastore;
import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.AddressFromURIString;
import akka.actor.Props;
+import akka.actor.Status;
+import akka.actor.Status.Failure;
+import akka.actor.Status.Success;
+import akka.actor.Terminated;
+import akka.cluster.Cluster;
+import akka.cluster.ClusterEvent;
+import akka.dispatch.Dispatchers;
import akka.japi.Creator;
import akka.pattern.Patterns;
import akka.persistence.RecoveryCompleted;
+import akka.serialization.Serialization;
import akka.testkit.JavaTestKit;
import akka.testkit.TestActorRef;
import akka.util.Timeout;
+import com.google.common.base.Function;
+import com.google.common.base.Optional;
+import com.google.common.base.Stopwatch;
+import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import com.google.common.util.concurrent.Uninterruptibles;
+import com.typesafe.config.ConfigFactory;
import java.net.URI;
+import java.util.AbstractMap;
+import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
-import java.util.HashSet;
+import java.util.Collections;
+import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import org.apache.commons.lang3.SerializationUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
+import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
-import org.opendaylight.controller.cluster.DataPersistenceProvider;
+import org.opendaylight.controller.cluster.datastore.config.Configuration;
+import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
+import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
+import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
+import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
+import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
+import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
+import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
-import org.opendaylight.controller.cluster.datastore.messages.ActorNotInitialized;
+import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
+import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
+import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
+import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
+import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
-import org.opendaylight.controller.cluster.datastore.messages.PrimaryFound;
-import org.opendaylight.controller.cluster.datastore.messages.PrimaryNotFound;
+import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
+import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
+import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
+import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
+import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
+import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
+import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
-import org.opendaylight.controller.cluster.datastore.utils.MessageCollectorActor;
+import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
+import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
import org.opendaylight.controller.cluster.raft.RaftState;
+import org.opendaylight.controller.cluster.raft.TestActorFactory;
import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
+import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
+import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
+import org.opendaylight.controller.cluster.raft.messages.AddServer;
+import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
+import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
+import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
+import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
+import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
+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.cluster.raft.utils.MessageCollectorActor;
import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
-import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import scala.concurrent.Await;
import scala.concurrent.Future;
import scala.concurrent.duration.FiniteDuration;
public class ShardManagerTest extends AbstractActorTest {
+ private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
+
private static int ID_COUNTER = 1;
private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
- private final String shardMgrID = "shard-manager-" + shardMrgIDSuffix;
+ private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
@Mock
private static CountDownLatch ready;
private static TestActorRef<MessageCollectorActor> mockShardActor;
+ private static String mockShardName;
+
private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
- dataStoreType(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS);
+ dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
+ .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
+
+ private final Collection<ActorSystem> actorSystems = new ArrayList<>();
+
+ private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
InMemoryJournal.clear();
+ InMemorySnapshotStore.clear();
if(mockShardActor == null) {
- String name = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
- mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), name);
+ mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
+ mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), mockShardName);
}
mockShardActor.underlyingActor().clear();
@After
public void tearDown() {
InMemoryJournal.clear();
+ InMemorySnapshotStore.clear();
+
+ for(ActorSystem system: actorSystems) {
+ JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
+ }
+
+ actorFactory.close();
+ }
+
+ private ActorSystem newActorSystem(String config) {
+ ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
+ actorSystems.add(system);
+ return system;
+ }
+
+ private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
+ String name = new ShardIdentifier(shardName, memberName,"config").toString();
+ if(system == getSystem()) {
+ return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
+ }
+
+ return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
}
private Props newShardMgrProps() {
- return ShardManager.props(new MockClusterWrapper(), new MockConfiguration(),
- datastoreContextBuilder.build(), ready);
+ return newShardMgrProps(new MockConfiguration());
+ }
+
+ private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
+ DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
+ Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
+ Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
+ return mockFactory;
}
+ private TestShardManager.Builder newTestShardMgrBuilder() {
+ return TestShardManager.builder(datastoreContextBuilder);
+ }
+
+ private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
+ return TestShardManager.builder(datastoreContextBuilder).configuration(config);
+ }
+
+ private Props newShardMgrProps(Configuration config) {
+ return newTestShardMgrBuilder(config).props();
+ }
+
+ private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
+ return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
+ }
+
+ private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
+ return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
+ }
+
+
private Props newPropsShardMgrWithMockShardActor() {
- Creator<ShardManager> creator = new Creator<ShardManager>() {
+ return newTestShardMgrBuilderWithMockShardActor().props();
+ }
+
+ private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
+ return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
+ }
+
+
+ private TestShardManager newTestShardManager() {
+ return newTestShardManager(newShardMgrProps());
+ }
+
+ private TestShardManager newTestShardManager(Props props) {
+ TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
+ TestShardManager shardManager = shardManagerActor.underlyingActor();
+ shardManager.waitForRecoveryComplete();
+ return shardManager;
+ }
+
+ private void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
+ AssertionError last = null;
+ Stopwatch sw = Stopwatch.createStarted();
+ while(sw.elapsed(TimeUnit.SECONDS) <= 5) {
+ try {
+ shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
+ kit.expectMsgClass(LocalShardFound.class);
+ return;
+ } catch(AssertionError e) {
+ last = e;
+ }
+
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ }
+
+ throw last;
+ }
+
+ private <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
+ Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
+ if(reply instanceof Failure) {
+ throw new AssertionError(msg + " failed", ((Failure)reply).cause());
+ }
+
+ return (T)reply;
+ }
+
+ @Test
+ public void testPerShardDatastoreContext() throws Exception {
+ LOG.info("testPerShardDatastoreContext starting");
+ final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
+ datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
+
+ Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
+ shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
+
+ Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
+ shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
+
+ final MockConfiguration mockConfig = new MockConfiguration() {
+ @Override
+ public Collection<String> getMemberShardNames(String memberName) {
+ return Arrays.asList("default", "topology");
+ }
+
+ @Override
+ public Collection<String> getMembersFromShardName(String shardName) {
+ return Arrays.asList("member-1");
+ }
+ };
+
+ final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
+ Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
+ final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
+ Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
+
+ final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
+ new HashMap<String, Entry<ActorRef, DatastoreContext>>());
+ shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
+ shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
+
+ final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
+ final CountDownLatch newShardActorLatch = new CountDownLatch(2);
+ class LocalShardManager extends ShardManager {
+ public LocalShardManager(AbstractBuilder<?> builder) {
+ super(builder);
+ }
+
+ @Override
+ protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
+ Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
+ ActorRef ref = null;
+ if(entry != null) {
+ ref = entry.getKey();
+ entry.setValue(info.getDatastoreContext());
+ }
+
+ newShardActorLatch.countDown();
+ return ref;
+ }
+ }
+
+ final Creator<ShardManager> creator = new Creator<ShardManager>() {
private static final long serialVersionUID = 1L;
@Override
public ShardManager create() throws Exception {
- return new ShardManager(new MockClusterWrapper(), new MockConfiguration(),
- datastoreContextBuilder.build(), ready) {
- @Override
- protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
- return mockShardActor;
- }
- };
+ return new LocalShardManager(new GenericBuilder<LocalShardManager>(LocalShardManager.class).
+ datastoreContextFactory(mockFactory).primaryShardInfoCache(primaryShardInfoCache).
+ configuration(mockConfig));
}
};
- return Props.create(new DelegatingShardManagerCreator(creator));
+ JavaTestKit kit = new JavaTestKit(getSystem());
+
+ final ActorRef shardManager = actorFactory.createActor(Props.create(
+ new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
+
+ assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
+ assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
+ getShardElectionTimeoutFactor());
+ assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
+ getShardElectionTimeoutFactor());
+
+ DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
+ datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
+ Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
+ shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
+
+ Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
+ shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
+
+ shardManager.tell(newMockFactory, kit.getRef());
+
+ DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
+ assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
+
+ newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
+ assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
+
+ LOG.info("testPerShardDatastoreContext ending");
}
@Test
public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- shardManager.tell(new FindPrimary("non-existent", false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary("non-existent", false), getRef());
- expectMsgEquals(duration("5 seconds"), new PrimaryNotFound("non-existent").toSerializable());
+ expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
}};
}
@Test
public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
new JavaTestKit(getSystem()) {{
String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
shardManager.tell(new ActorInitialized(), mockShardActor);
- shardManager.tell(new LeaderStateChanged(memberId, memberId), getRef());
+ DataTree mockDataTree = mock(DataTree.class);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
+ DataStoreVersions.CURRENT_VERSION), getRef());
MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
RaftState.Leader.name())), mockShardActor);
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
- PrimaryFound primaryFound = expectMsgClass(duration("5 seconds"), PrimaryFound.SERIALIZABLE_CLASS);
+ LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
primaryFound.getPrimaryPath().contains("member-1-shard-default"));
+ assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
+ }};
+
+ LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
+ }
+
+ @Test
+ public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
+ String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.tell(new RoleChangeNotification(memberId1,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
+ shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
+
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
+
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
}};
+
+ LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
}
@Test
public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
shardManager.tell(new ActorInitialized(), mockShardActor);
String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
shardManager.tell(new RoleChangeNotification(memberId1,
RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
- shardManager.tell(new LeaderStateChanged(memberId1, memberId2), mockShardActor);
+ short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
+ shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
+ leaderVersion), mockShardActor);
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
- PrimaryFound primaryFound = expectMsgClass(duration("5 seconds"), PrimaryFound.SERIALIZABLE_CLASS);
+ RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
primaryFound.getPrimaryPath().contains("member-2-shard-default"));
+ assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
}};
+
+ LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
}
@Test
public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
- expectMsgClass(duration("5 seconds"), ActorNotInitialized.class);
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
}};
}
@Test
public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
shardManager.tell(new ActorInitialized(), mockShardActor);
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
}};
@Test
public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
shardManager.tell(new ActorInitialized(), mockShardActor);
shardManager.tell(new RoleChangeNotification(memberId,
RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
- shardManager.tell(new LeaderStateChanged(memberId, memberId), mockShardActor);
+ DataTree mockDataTree = mock(DataTree.class);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
+ DataStoreVersions.CURRENT_VERSION), mockShardActor);
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
- PrimaryFound primaryFound = expectMsgClass(duration("5 seconds"), PrimaryFound.SERIALIZABLE_CLASS);
+ LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
primaryFound.getPrimaryPath().contains("member-1-shard-default"));
+ assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
}};
+
+ LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
}
@Test
public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
// We're passing waitUntilInitialized = true to FindPrimary so the response should be
// delayed until we send ActorInitialized and RoleChangeNotification.
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
- shardManager.tell(new LeaderStateChanged(memberId, memberId), mockShardActor);
+ DataTree mockDataTree = mock(DataTree.class);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
+ DataStoreVersions.CURRENT_VERSION), mockShardActor);
- PrimaryFound primaryFound = expectMsgClass(duration("5 seconds"), PrimaryFound.SERIALIZABLE_CLASS);
+ LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
primaryFound.getPrimaryPath().contains("member-1-shard-default"));
+ assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
}};
+
+ LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
}
@Test
public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
- expectMsgClass(duration("2 seconds"), ActorNotInitialized.class);
+ expectMsgClass(duration("2 seconds"), NotInitializedException.class);
shardManager.tell(new ActorInitialized(), mockShardActor);
expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
}};
+
+ LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
}
@Test
public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
shardManager.tell(new ActorInitialized(), mockShardActor);
shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
null, RaftState.Candidate.name()), mockShardActor);
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
}};
+
+ LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
}
@Test
- public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
+ public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
shardManager.tell(new ActorInitialized(), mockShardActor);
+ shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
+ null, RaftState.IsolatedLeader.name()), mockShardActor);
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
}};
+
+ LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
}
@Test
- public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
+ public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
- shardManager.tell(new FindLocalShard("non-existent", false), getRef());
-
- LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
- assertEquals("getShardName", "non-existent", notFound.getShardName());
+ expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
}};
+
+ LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
}
@Test
- public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
- new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
+ LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
- shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- shardManager.tell(new ActorInitialized(), mockShardActor);
+ // Create an ActorSystem ShardManager actor for member-1.
- shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ final ActorSystem system1 = newActorSystem("Member1");
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+ final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
+ newTestShardMgrBuilderWithMockShardActor().cluster(
+ new ClusterWrapperImpl(system1)).props(), shardManagerID);
- assertTrue("Found path contains " + found.getPath().path().toString(),
- found.getPath().path().toString().contains("member-1-shard-default-config"));
- }};
- }
+ // Create an ActorSystem ShardManager actor for member-2.
- @Test
- public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
- new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ final ActorSystem system2 = newActorSystem("Member2");
- shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- expectMsgClass(duration("5 seconds"), ActorNotInitialized.class);
- }};
- }
+ final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
- @Test
- public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
- new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+ MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).build());
- shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
+ newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
+ new ClusterWrapperImpl(system2)).props(), shardManagerID);
- // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
- // delayed until we send ActorInitialized.
- Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
- new Timeout(5, TimeUnit.SECONDS));
+ new JavaTestKit(system1) {{
- shardManager.tell(new ActorInitialized(), mockShardActor);
+ shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- Object resp = Await.result(future, duration("5 seconds"));
- assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
- }};
- }
+ shardManager2.tell(new ActorInitialized(), mockShardActor2);
- @Test
- public void testOnReceiveMemberUp() throws Exception {
- new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
+ short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
+ shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
+ Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor2);
+ shardManager2.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
- MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
+ shardManager1.underlyingActor().waitForMemberUp();
- shardManager.tell(new FindPrimary("astronauts", false).toSerializable(), getRef());
+ shardManager1.tell(new FindPrimary("astronauts", false), getRef());
- PrimaryFound found = PrimaryFound.fromSerializable(expectMsgClass(duration("5 seconds"),
- PrimaryFound.SERIALIZABLE_CLASS));
+ RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
String path = found.getPrimaryPath();
- assertTrue("Found path contains " + path, path.contains("member-2-shard-astronauts-config"));
- }};
- }
-
- @Test
- public void testOnReceiveMemberDown() throws Exception {
-
- new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
-
- MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
+ assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
+ assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
- shardManager.tell(new FindPrimary("astronauts", false).toSerializable(), getRef());
+ shardManager2.underlyingActor().verifyFindPrimary();
- expectMsgClass(duration("5 seconds"), PrimaryFound.SERIALIZABLE_CLASS);
+ Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- MockClusterWrapper.sendMemberRemoved(shardManager, "member-2", getRef().path().toString());
+ shardManager1.underlyingActor().waitForMemberRemoved();
- shardManager.tell(new FindPrimary("astronauts", false).toSerializable(), getRef());
+ shardManager1.tell(new FindPrimary("astronauts", false), getRef());
- expectMsgClass(duration("5 seconds"), PrimaryNotFound.SERIALIZABLE_CLASS);
+ expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
}};
+
+ LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
}
@Test
- public void testOnRecoveryJournalIsCleaned() {
- InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
- ImmutableSet.of("foo")));
- InMemoryJournal.addEntry(shardMgrID, 2L, new ShardManager.SchemaContextModules(
- ImmutableSet.of("bar")));
- InMemoryJournal.addDeleteMessagesCompleteLatch(shardMgrID);
+ public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
+ LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
- new JavaTestKit(getSystem()) {{
- TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
- Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+ // Create an ActorSystem ShardManager actor for member-1.
- shardManager.underlyingActor().waitForRecoveryComplete();
- InMemoryJournal.waitForDeleteMessagesComplete(shardMgrID);
+ final ActorSystem system1 = newActorSystem("Member1");
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- // Journal entries up to the last one should've been deleted
- Map<Long, Object> journal = InMemoryJournal.get(shardMgrID);
- synchronized (journal) {
- assertEquals("Journal size", 1, journal.size());
- assertEquals("Journal entry seq #", Long.valueOf(2), journal.keySet().iterator().next());
- }
- }};
- }
+ final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
- @Test
- public void testOnRecoveryPreviouslyKnownModulesAreDiscovered() throws Exception {
- final ImmutableSet<String> persistedModules = ImmutableSet.of("foo", "bar");
- InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
- persistedModules));
- new JavaTestKit(getSystem()) {{
- TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
- Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+ final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
+ newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
+ new ClusterWrapperImpl(system1)).props(), shardManagerID);
- shardManager.underlyingActor().waitForRecoveryComplete();
+ // Create an ActorSystem ShardManager actor for member-2.
- Collection<String> knownModules = shardManager.underlyingActor().getKnownModules();
+ final ActorSystem system2 = newActorSystem("Member2");
- assertEquals("getKnownModules", persistedModules, Sets.newHashSet(knownModules));
- }};
- }
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- @Test
- public void testOnUpdateSchemaContextUpdateKnownModulesIfTheyContainASuperSetOfTheKnownModules()
- throws Exception {
- new JavaTestKit(getSystem()) {{
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), newShardMgrProps());
+ final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
- assertEquals("getKnownModules size", 0, shardManager.underlyingActor().getKnownModules().size());
+ MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).build());
- ModuleIdentifier foo = mock(ModuleIdentifier.class);
- when(foo.getNamespace()).thenReturn(new URI("foo"));
+ final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
+ newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
+ new ClusterWrapperImpl(system2)).props(), shardManagerID);
- Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
- moduleIdentifierSet.add(foo);
+ new JavaTestKit(system1) {{
- SchemaContext schemaContext = mock(SchemaContext.class);
- when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+ shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager1.tell(new ActorInitialized(), mockShardActor1);
+ shardManager2.tell(new ActorInitialized(), mockShardActor2);
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
+ String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
+ Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
+ shardManager1.tell(new RoleChangeNotification(memberId1,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
+ shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION),
+ mockShardActor2);
+ shardManager2.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
+ shardManager1.underlyingActor().waitForMemberUp();
+
+ shardManager1.tell(new FindPrimary("default", true), getRef());
+
+ RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
+ String path = found.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
- assertEquals("getKnownModules", Sets.newHashSet("foo"),
- Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- ModuleIdentifier bar = mock(ModuleIdentifier.class);
- when(bar.getNamespace()).thenReturn(new URI("bar"));
+ shardManager1.underlyingActor().waitForUnreachableMember();
- moduleIdentifierSet.add(bar);
+ PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
+ assertEquals("getMemberName", "member-2", peerDown.getMemberName());
+ MessageCollectorActor.clearMessages(mockShardActor1);
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- assertEquals("getKnownModules", Sets.newHashSet("foo", "bar"),
- Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
- }};
- }
+ MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
- @Test
- public void testOnUpdateSchemaContextDoNotUpdateKnownModulesIfTheyDoNotContainASuperSetOfKnownModules()
- throws Exception {
- new JavaTestKit(getSystem()) {{
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), newShardMgrProps());
+ shardManager1.tell(new FindPrimary("default", true), getRef());
+
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
+
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- SchemaContext schemaContext = mock(SchemaContext.class);
- Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
+ shardManager1.underlyingActor().waitForReachableMember();
- ModuleIdentifier foo = mock(ModuleIdentifier.class);
- when(foo.getNamespace()).thenReturn(new URI("foo"));
+ PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
+ assertEquals("getMemberName", "member-2", peerUp.getMemberName());
+ MessageCollectorActor.clearMessages(mockShardActor1);
- moduleIdentifierSet.add(foo);
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+ RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
+ String path1 = found1.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- assertEquals("getKnownModules", Sets.newHashSet("foo"),
- Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+ MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
- //Create a completely different SchemaContext with only the bar module in it
- //schemaContext = mock(SchemaContext.class);
- moduleIdentifierSet.clear();
- ModuleIdentifier bar = mock(ModuleIdentifier.class);
- when(bar.getNamespace()).thenReturn(new URI("bar"));
+ // Test FindPrimary wait succeeds after reachable member event.
- moduleIdentifierSet.add(bar);
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
+ shardManager1.underlyingActor().waitForUnreachableMember();
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- assertEquals("getKnownModules", Sets.newHashSet("foo"),
- Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
+ RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
+ String path2 = found2.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
}};
+
+ LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
}
@Test
- public void testRecoveryApplicable(){
- new JavaTestKit(getSystem()) {
- {
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready);
- final TestActorRef<ShardManager> persistentShardManager =
- TestActorRef.create(getSystem(), persistentProps);
+ public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
+ LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange starting");
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
- DataPersistenceProvider dataPersistenceProvider1 = persistentShardManager.underlyingActor().getDataPersistenceProvider();
+ // Create an ActorSystem ShardManager actor for member-1.
- assertTrue("Recovery Applicable", dataPersistenceProvider1.isRecoveryApplicable());
+ final ActorSystem system1 = newActorSystem("Member1");
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- final Props nonPersistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(false).build(), ready);
- final TestActorRef<ShardManager> nonPersistentShardManager =
- TestActorRef.create(getSystem(), nonPersistentProps);
+ final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
- DataPersistenceProvider dataPersistenceProvider2 = nonPersistentShardManager.underlyingActor().getDataPersistenceProvider();
+ final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
+ final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
+ newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
+ new ClusterWrapperImpl(system1)).primaryShardInfoCache(primaryShardInfoCache).props(),
+ shardManagerID);
- assertFalse("Recovery Not Applicable", dataPersistenceProvider2.isRecoveryApplicable());
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = newActorSystem("Member2");
- }};
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- }
+ final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
- @Test
- public void testOnUpdateSchemaContextUpdateKnownModulesCallsDataPersistenceProvider()
- throws Exception {
- final CountDownLatch persistLatch = new CountDownLatch(1);
- final Creator<ShardManager> creator = new Creator<ShardManager>() {
- private static final long serialVersionUID = 1L;
- @Override
- public ShardManager create() throws Exception {
- return new ShardManager(new MockClusterWrapper(), new MockConfiguration(), DatastoreContext.newBuilder().build(), ready) {
- @Override
- protected DataPersistenceProvider createDataPersistenceProvider(boolean persistent) {
- DataPersistenceProviderMonitor dataPersistenceProviderMonitor
- = new DataPersistenceProviderMonitor();
- dataPersistenceProviderMonitor.setPersistLatch(persistLatch);
- return dataPersistenceProviderMonitor;
- }
- };
- }
- };
+ MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).build());
- new JavaTestKit(getSystem()) {{
+ final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
+ newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
+ new ClusterWrapperImpl(system2)).props(), shardManagerID);
+
+ new JavaTestKit(system1) {{
+ shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager1.tell(new ActorInitialized(), mockShardActor1);
+ shardManager2.tell(new ActorInitialized(), mockShardActor2);
+
+ String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
+ String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
+ Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
+ shardManager1.tell(new RoleChangeNotification(memberId1,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
+ shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION),
+ mockShardActor2);
+ shardManager2.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
+ shardManager1.underlyingActor().waitForMemberUp();
+
+ shardManager1.tell(new FindPrimary("default", true), getRef());
+
+ RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
+ String path = found.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
+
+ primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
+ mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
+
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), Props.create(new DelegatingShardManagerCreator(creator)));
+ shardManager1.underlyingActor().waitForUnreachableMember();
- ModuleIdentifier foo = mock(ModuleIdentifier.class);
- when(foo.getNamespace()).thenReturn(new URI("foo"));
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
- moduleIdentifierSet.add(foo);
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
+
+ assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
- SchemaContext schemaContext = mock(SchemaContext.class);
- when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+ shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION), mockShardActor1);
+ shardManager1.tell(new RoleChangeNotification(memberId1,
+ RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- assertEquals("Persisted", true,
- Uninterruptibles.awaitUninterruptibly(persistLatch, 5, TimeUnit.SECONDS));
+ LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
+ String path1 = found1.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
}};
+
+ LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
}
+
@Test
- public void testRoleChangeNotificationReleaseReady() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps());
+ public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
- shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
- memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
+ shardManager.tell(new FindLocalShard("non-existent", false), getRef());
- verify(ready, times(1)).countDown();
+ LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
- }};
+ assertEquals("getShardName", "non-existent", notFound.getShardName());
+ }};
}
@Test
- public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps());
+ public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
- shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
- "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
- verify(ready, never()).countDown();
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
- }};
- }
+ LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+ assertTrue("Found path contains " + found.getPath().path().toString(),
+ found.getPath().path().toString().contains("member-1-shard-default-config"));
+ }};
+ }
@Test
- public void testByDefaultSyncStatusIsFalse() throws Exception{
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
+ public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
- ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+ }};
}
@Test
- public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
-
- ShardManager shardManagerActor = shardManager.underlyingActor();
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
- RaftState.Follower.name(), RaftState.Leader.name()));
+ public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
+ LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
- }
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- @Test
- public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
-
- ShardManager shardManagerActor = shardManager.underlyingActor();
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
- RaftState.Follower.name(), RaftState.Candidate.name()));
+ // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
+ // delayed until we send ActorInitialized.
+ Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
+ new Timeout(5, TimeUnit.SECONDS));
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
- // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+ Object resp = Await.result(future, duration("5 seconds"));
+ assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
+ }};
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
}
@Test
- public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
-
- ShardManager shardManagerActor = shardManager.underlyingActor();
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
- RaftState.Candidate.name(), RaftState.Follower.name()));
+ public void testOnRecoveryJournalIsCleaned() {
+ String persistenceID = "shard-manager-" + shardMrgIDSuffix;
+ InMemoryJournal.addEntry(persistenceID, 1L, new ShardManager.SchemaContextModules(
+ ImmutableSet.of("foo")));
+ InMemoryJournal.addEntry(persistenceID, 2L, new ShardManager.SchemaContextModules(
+ ImmutableSet.of("bar")));
+ InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
- // Initially will be false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ TestShardManager shardManager = newTestShardManager();
- // Send status true will make sync status true
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+ InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
+
+ // Journal entries up to the last one should've been deleted
+ Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
+ synchronized (journal) {
+ assertEquals("Journal size", 0, journal.size());
+ }
+ }
+
+ @Test
+ public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
+ TestShardManager shardManager = newTestShardManager();
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(
+ memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
- // Send status false will make sync status false
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(false, "member-1-shard-default-unknown"));
+ verify(ready, never()).countDown();
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
+ Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
+ verify(ready, times(1)).countDown();
}
@Test
- public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration() {
- @Override
- public List<String> getMemberShardNames(String memberName) {
- return Arrays.asList("default", "astronauts");
- }
- },
- DatastoreContext.newBuilder().persistent(true).build(), ready);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
+ public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ TestShardManager shardManager = newTestShardManager();
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(
+ memberId, null, RaftState.Follower.name()));
+
+ verify(ready, never()).countDown();
+
+ shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
+
+ shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
+ "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION));
+
+ verify(ready, times(1)).countDown();
+ }};
+ }
+
+ @Test
+ public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ TestShardManager shardManager = newTestShardManager();
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
+
+ verify(ready, never()).countDown();
- ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
+ "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION));
+
+ shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
+
+ verify(ready, times(1)).countDown();
+ }};
+ }
+
+ @Test
+ public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
+ TestShardManager shardManager = newTestShardManager();
+
+ shardManager.onReceiveCommand(new RoleChangeNotification(
+ "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
+
+ verify(ready, never()).countDown();
+ }
+
+ @Test
+ public void testByDefaultSyncStatusIsFalse() throws Exception{
+ TestShardManager shardManager = newTestShardManager();
+
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
+ TestShardManager shardManager = newTestShardManager();
+
+ shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
+ RaftState.Follower.name(), RaftState.Leader.name()));
+
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
+ TestShardManager shardManager = newTestShardManager();
+
+ String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
+ RaftState.Follower.name(), RaftState.Candidate.name()));
+
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
+
+ // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
+ true, shardId));
+
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
+ TestShardManager shardManager = newTestShardManager();
+
+ String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
+ RaftState.Candidate.name(), RaftState.Follower.name()));
// Initially will be false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
+
+ // Send status true will make sync status true
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
+
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
+
+ // Send status false will make sync status false
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
+
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
+
+ }
+
+ @Test
+ public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
+ LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
+ TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
+ @Override
+ public List<String> getMemberShardNames(String memberName) {
+ return Arrays.asList("default", "astronauts");
+ }
+ }));
+
+ // Initially will be false
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
// Make default shard leader
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
RaftState.Follower.name(), RaftState.Leader.name()));
// default = Leader, astronauts is unknown so sync status remains false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
// Make astronauts shard leader as well
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
+ String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
RaftState.Follower.name(), RaftState.Leader.name()));
// Now sync status should be true
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
// Make astronauts a Follower
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
+ shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
RaftState.Leader.name(), RaftState.Follower.name()));
// Sync status is not true
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
// Make the astronauts follower sync status true
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-astronauts-unknown"));
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
// Sync status is now true
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
+
+ LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
+ }
+
+ @Test
+ public void testOnReceiveSwitchShardBehavior() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ shardManager.tell(new SwitchShardBehavior(mockShardName, "Leader", 1000), getRef());
+
+ SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
+
+ assertEquals(RaftState.Leader, switchBehavior.getNewState());
+ assertEquals(1000, switchBehavior.getNewTerm());
+ }};
+ }
+
+ @Test
+ public void testOnCreateShard() {
+ LOG.info("testOnCreateShard starting");
+ new JavaTestKit(getSystem()) {{
+ datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
+
+ ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ SchemaContext schemaContext = TestModel.createTestContext();
+ shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
+
+ DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
+ persistent(false).build();
+ Shard.Builder shardBuilder = Shard.builder();
+
+ ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
+ "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
+ shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
+
+ expectMsgClass(duration("5 seconds"), Success.class);
+
+ shardManager.tell(new FindLocalShard("foo", true), getRef());
+
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
+ assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
+ getPeerAddressResolver() instanceof ShardPeerAddressResolver);
+ assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
+ new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
+ shardBuilder.getPeerAddresses().keySet());
+ assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
+ shardBuilder.getId());
+ assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
+
+ // Send CreateShard with same name - should return Success with a message.
+
+ shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
+
+ Success success = expectMsgClass(duration("5 seconds"), Success.class);
+ assertNotNull("Success status is null", success.status());
+ }};
+
+ LOG.info("testOnCreateShard ending");
+ }
+
+ @Test
+ public void testOnCreateShardWithLocalMemberNotInShardConfig() {
+ LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
+ new JavaTestKit(getSystem()) {{
+ datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
+
+ ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
+
+ Shard.Builder shardBuilder = Shard.builder();
+ ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
+ "foo", null, Arrays.asList("member-5", "member-6"));
+
+ shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
+ expectMsgClass(duration("5 seconds"), Success.class);
+
+ shardManager.tell(new FindLocalShard("foo", true), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
+ assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
+ shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
+ }};
+
+ LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
+ }
+
+ @Test
+ public void testOnCreateShardWithNoInitialSchemaContext() {
+ LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ Shard.Builder shardBuilder = Shard.builder();
+
+ ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
+ "foo", null, Arrays.asList("member-1"));
+ shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
+
+ expectMsgClass(duration("5 seconds"), Success.class);
+
+ SchemaContext schemaContext = TestModel.createTestContext();
+ shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
+
+ shardManager.tell(new FindLocalShard("foo", true), getRef());
+
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
+ assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
+ }};
+
+ LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
+ }
+
+ @Test
+ public void testGetSnapshot() throws Throwable {
+ LOG.info("testGetSnapshot starting");
+ JavaTestKit kit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("shard1", Arrays.asList("member-1")).
+ put("shard2", Arrays.asList("member-1")).
+ put("astronauts", Collections.<String>emptyList()).build());
+
+ TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig).
+ withDispatcher(Dispatchers.DefaultDispatcherId()));
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+ Failure failure = kit.expectMsgClass(Failure.class);
+ assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
+
+ waitForShardInitialized(shardManager, "shard1", kit);
+ waitForShardInitialized(shardManager, "shard2", kit);
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+
+ DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
+
+ assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
+ assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
+
+ Function<ShardSnapshot, String> shardNameTransformer = new Function<ShardSnapshot, String>() {
+ @Override
+ public String apply(ShardSnapshot s) {
+ return s.getName();
+ }
+ };
+
+ assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
+ Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
+
+ // Add a new replica
+
+ JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
+
+ TestShardManager shardManagerInstance = shardManager.underlyingActor();
+ shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
+ mockShardLeaderKit.expectMsgClass(AddServer.class);
+ mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
+ kit.expectMsgClass(Status.Success.class);
+ waitForShardInitialized(shardManager, "astronauts", kit);
+
+ // Send another GetSnapshot and verify
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+ datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
+
+ assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
+ Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
+
+ byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
+ assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
+ ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
+ assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
+ Sets.newHashSet(snapshot.getShardList()));
+
+ LOG.info("testGetSnapshot ending");
+ }
+
+ @Test
+ public void testRestoreFromSnapshot() throws Throwable {
+ LOG.info("testRestoreFromSnapshot starting");
+
+ JavaTestKit kit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("shard1", Collections.<String>emptyList()).
+ put("shard2", Collections.<String>emptyList()).
+ put("astronauts", Collections.<String>emptyList()).build());
+
+
+ ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
+ DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
+ SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
+ TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig).
+ restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
+
+ waitForShardInitialized(shardManager, "shard1", kit);
+ waitForShardInitialized(shardManager, "shard2", kit);
+ waitForShardInitialized(shardManager, "astronauts", kit);
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+
+ DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
+
+ assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
+
+ byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
+ assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
+ snapshot = SerializationUtils.deserialize(snapshotBytes);
+ assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
+ Sets.newHashSet(snapshot.getShardList()));
+
+ LOG.info("testRestoreFromSnapshot ending");
+ }
+
+ @Test
+ public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new AddShardReplica("model-inventory"), getRef());
+ Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
+
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof IllegalArgumentException));
+ }};
+ }
+
+ @Test
+ public void testAddShardReplica() throws Exception {
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+ datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-1.
+ final ActorSystem system1 = newActorSystem("Member1");
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+ ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
+ final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
+ newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
+ new ClusterWrapperImpl(system1)).props(), shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = newActorSystem("Member2");
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
+ final TestActorRef<MockRespondActor> mockShardLeaderActor =
+ TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
+ final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
+ newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
+ new ClusterWrapperImpl(system2)).props(), shardManagerID);
+
+ new JavaTestKit(system1) {{
+
+ newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
+
+ String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
+ short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
+ leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
+ Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
+ leaderShardManager.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
+
+ newReplicaShardManager.underlyingActor().waitForMemberUp();
+ leaderShardManager.underlyingActor().waitForMemberUp();
+
+ //Have a dummy snapshot to be overwritten by the new data persisted.
+ String[] restoredShards = {"default", "people"};
+ ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
+ InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
+ Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
+
+ InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
+ InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
+
+ //construct a mock response message
+ AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
+ mockShardLeaderActor.underlyingActor().updateResponse(response);
+ newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
+ AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
+ AddServer.class);
+ String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
+ assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
+ expectMsgClass(duration("5 seconds"), Status.Success.class);
+
+ InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
+ InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
+ List<ShardManagerSnapshot> persistedSnapshots =
+ InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
+ assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
+ ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
+ assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
+ Sets.newHashSet(shardManagerSnapshot.getShardList()));
+ }};
+
+ LOG.info("testAddShardReplica ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
+ LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
+ newPropsShardMgrWithMockShardActor(), shardMgrID);
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
+ AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
+ ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
+ Props.create(MockRespondActor.class, addServerReply), leaderId);
+
+ MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
+
+ String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.tell(new RoleChangeNotification(newReplicaId,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
+ shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
+ DataStoreVersions.CURRENT_VERSION), mockShardActor);
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+
+ MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
+
+ Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ // Send message again to verify previous in progress state is cleared
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
+
+ shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
+ shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
+ leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ expectMsgClass(duration("5 seconds"), Failure.class);
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+ }};
+
+ LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
+ LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
+ new JavaTestKit(getSystem()) {{
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION), getRef());
+ shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
+ RaftState.Leader.name())), mockShardActor);
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+ }};
+
+ LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
+ LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
+ new JavaTestKit(getSystem()) {{
+ JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
+ final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
+ newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
+ shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
+ terminateWatcher.watch(mockNewReplicaShardActor);
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+
+ AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
+ assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
+ addServerMsg.getNewServerId());
+ mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
+
+ Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
+
+ shardManager.tell(new FindLocalShard("astronauts", false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+
+ terminateWatcher.expectTerminated(mockNewReplicaShardActor);
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+ mockShardLeaderKit.expectMsgClass(AddServer.class);
+ mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
+ failure = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
+ }};
+
+ LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
+ testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
+ AddServer.class, new AddShardReplica("astronauts"));
+ }
+
+ @Test
+ public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
+ LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
+ shardActor(mockShardActor).props(), shardMgrID);
+
+ newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2", getRef().path().toString());
+
+ newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
+ Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof RuntimeException));
+ }};
+
+ LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
+ }
+
+ @Test
+ public void testRemoveShardReplicaForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new RemoveShardReplica("model-inventory", "member-1"), getRef());
+ Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof PrimaryNotFoundException));
+ }};
+ }
+
+ @Test
+ /**
+ * Primary is Local
+ */
+ public void testRemoveShardReplicaLocal() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+
+ final TestActorRef<MockRespondActor> respondActor =
+ TestActorRef.create(getSystem(), Props.create(MockRespondActor.class), memberId);
+
+ ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), respondActor);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION), getRef());
+ shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
+ RaftState.Leader.name())), respondActor);
+
+ respondActor.underlyingActor().updateResponse(new RemoveServerReply(ServerChangeStatus.OK, null));
+ shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, "member-1"), getRef());
+ final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor, RemoveServer.class);
+ assertEquals(new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString(),
+ removeServer.getServerId());
+ expectMsgClass(duration("5 seconds"), Success.class);
+ }};
+ }
+
+ @Test
+ public void testRemoveShardReplicaRemote() throws Exception {
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-1")).build());
+
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+
+ // Create an ActorSystem ShardManager actor for member-1.
+ final ActorSystem system1 = newActorSystem("Member1");
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+ ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
+
+ final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
+ newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
+ new ClusterWrapperImpl(system1)).props(),
+ shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = newActorSystem("Member2");
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ String name = new ShardIdentifier("default", "member-2", shardMrgIDSuffix).toString();
+ final TestActorRef<MockRespondActor> mockShardLeaderActor =
+ TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
+
+ LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
+
+ final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
+ newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
+ new ClusterWrapperImpl(system2)).props(),
+ shardManagerID);
+
+ // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
+ // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
+ // However when a shard manager has a local shard which is a follower and a leader that is remote it will
+ // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
+ // look like so,
+ // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
+ // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
+ // with the address of an actor which does not exist, therefore any message sent to that actor would go to
+ // dead letters.
+ // To work around this problem we create a ForwardingActor with the right address and pass to it the
+ // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
+ // thing works as expected
+ final ActorRef actorRef = leaderShardManager.underlyingActor().context()
+ .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
+
+ LOG.error("Forwarding actor : {}", actorRef);
+
+ new JavaTestKit(system1) {{
+
+ newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
+ newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
+
+ String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
+ short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
+ leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
+ Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
+ leaderShardManager.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
+
+ String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
+ newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2,
+ Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor);
+ newReplicaShardManager.tell(new RoleChangeNotification(memberId1,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
+
+ newReplicaShardManager.underlyingActor().waitForMemberUp();
+ leaderShardManager.underlyingActor().waitForMemberUp();
+
+ //construct a mock response message
+ RemoveServerReply response = new RemoveServerReply(ServerChangeStatus.OK, memberId2);
+ mockShardLeaderActor.underlyingActor().updateResponse(response);
+ newReplicaShardManager.tell(new RemoveShardReplica("default", "member-1"), getRef());
+ RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
+ RemoveServer.class);
+ String removeServerId = new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString();
+ assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
+ expectMsgClass(duration("5 seconds"), Status.Success.class);
+ }};
+
+ }
+
+ @Test
+ public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
+ testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", "member-2"),
+ RemoveServer.class, new RemoveShardReplica("astronauts", "member-3"));
+ }
+
+ @Test
+ public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
+ testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
+ AddServer.class, new RemoveShardReplica("astronauts", "member-2"));
+ }
+
+
+ public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
+ final Class firstForwardedServerChangeClass,
+ final Object secondServerChange) throws Exception {
+ new JavaTestKit(getSystem()) {{
+ JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
+ JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put(shardName, Arrays.asList("member-2")).build());
+
+ final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor).cluster(
+ new MockClusterWrapper()).props(),
+ shardMgrID);
+
+ shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(firstServerChange, getRef());
+
+ mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
+
+ shardManager.tell(secondServerChange, secondRequestKit.getRef());
+
+ secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
+ }};
+ }
+
+ @Test
+ public void testServerRemovedShardActorNotRunning() throws Exception {
+ LOG.info("testServerRemovedShardActorNotRunning starting");
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).
+ put("people", Arrays.asList("member-1", "member-2")).build());
+
+ TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+ shardManager.tell(new FindLocalShard("people", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ shardManager.tell(new FindLocalShard("default", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ // Removed the default shard replica from member-1
+ ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
+ ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type(shardMrgIDSuffix).build();
+ shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
+
+ shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
+ }};
+ LOG.info("testServerRemovedShardActorNotRunning ending");
}
+ @Test
+ public void testServerRemovedShardActorRunning() throws Exception {
+ LOG.info("testServerRemovedShardActorRunning starting");
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).
+ put("people", Arrays.asList("member-1", "member-2")).build());
+
+ String shardId = ShardIdentifier.builder().shardName("default").memberName("member-1").
+ type(shardMrgIDSuffix).build().toString();
+ TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(
+ MessageCollectorActor.props(), shardId);
+
+ TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
+ newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
+
+ watch(shard);
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), shard);
+
+ waitForShardInitialized(shardManager, "people", this);
+ waitForShardInitialized(shardManager, "default", this);
+
+ // Removed the default shard replica from member-1
+ shardManager.tell(new ServerRemoved(shardId), getRef());
+
+ shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
+
+ expectMsgClass(duration("5 seconds"), Terminated.class);
+ }};
+
+ LOG.info("testServerRemovedShardActorRunning ending");
+ }
+
+
+ @Test
+ public void testShardPersistenceWithRestoredData() throws Exception {
+ LOG.info("testShardPersistenceWithRestoredData starting");
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).
+ put("people", Arrays.asList("member-1", "member-2")).build());
+ String[] restoredShards = {"default", "astronauts"};
+ ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
+ InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
+
+ //create shardManager to come up with restored data
+ TestActorRef<TestShardManager> newRestoredShardManager = actorFactory.createTestActor(
+ newShardMgrProps(mockConfig));
+
+ newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
+
+ newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
+ LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+ assertEquals("for uninitialized shard", "people", notFound.getShardName());
+
+ //Verify a local shard is created for the restored shards,
+ //although we expect a NotInitializedException for the shards as the actor initialization
+ //message is not sent for them
+ newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+ }};
+
+ LOG.info("testShardPersistenceWithRestoredData ending");
+ }
+
+
private static class TestShardManager extends ShardManager {
private final CountDownLatch recoveryComplete = new CountDownLatch(1);
-
- TestShardManager(String shardMrgIDSuffix) {
- super(new MockClusterWrapper(), new MockConfiguration(),
- DatastoreContext.newBuilder().dataStoreType(shardMrgIDSuffix).build(), ready);
+ private final CountDownLatch snapshotPersist = new CountDownLatch(1);
+ private ShardManagerSnapshot snapshot;
+ private final Map<String, ActorRef> shardActors;
+ private final ActorRef shardActor;
+ private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
+ private CountDownLatch memberUpReceived = new CountDownLatch(1);
+ private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
+ private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
+ private CountDownLatch memberReachableReceived = new CountDownLatch(1);
+ private volatile MessageInterceptor messageInterceptor;
+
+ private TestShardManager(Builder builder) {
+ super(builder);
+ shardActor = builder.shardActor;
+ shardActors = builder.shardActors;
}
@Override
}
}
+ @Override
+ public void handleCommand(Object message) throws Exception {
+ try{
+ if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
+ getSender().tell(messageInterceptor.apply(message), getSelf());
+ } else {
+ super.handleCommand(message);
+ }
+ } finally {
+ if(message instanceof FindPrimary) {
+ findPrimaryMessageReceived.countDown();
+ } else if(message instanceof ClusterEvent.MemberUp) {
+ String role = ((ClusterEvent.MemberUp)message).member().roles().head();
+ if(!getCluster().getCurrentMemberName().equals(role)) {
+ memberUpReceived.countDown();
+ }
+ } else if(message instanceof ClusterEvent.MemberRemoved) {
+ String role = ((ClusterEvent.MemberRemoved)message).member().roles().head();
+ if(!getCluster().getCurrentMemberName().equals(role)) {
+ memberRemovedReceived.countDown();
+ }
+ } else if(message instanceof ClusterEvent.UnreachableMember) {
+ String role = ((ClusterEvent.UnreachableMember)message).member().roles().head();
+ if(!getCluster().getCurrentMemberName().equals(role)) {
+ memberUnreachableReceived.countDown();
+ }
+ } else if(message instanceof ClusterEvent.ReachableMember) {
+ String role = ((ClusterEvent.ReachableMember)message).member().roles().head();
+ if(!getCluster().getCurrentMemberName().equals(role)) {
+ memberReachableReceived.countDown();
+ }
+ }
+ }
+ }
+
+ void setMessageInterceptor(MessageInterceptor messageInterceptor) {
+ this.messageInterceptor = messageInterceptor;
+ }
+
void waitForRecoveryComplete() {
assertEquals("Recovery complete", true,
Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
}
+
+ void waitForMemberUp() {
+ assertEquals("MemberUp received", true,
+ Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
+ memberUpReceived = new CountDownLatch(1);
+ }
+
+ void waitForMemberRemoved() {
+ assertEquals("MemberRemoved received", true,
+ Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
+ memberRemovedReceived = new CountDownLatch(1);
+ }
+
+ void waitForUnreachableMember() {
+ assertEquals("UnreachableMember received", true,
+ Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
+ ));
+ memberUnreachableReceived = new CountDownLatch(1);
+ }
+
+ void waitForReachableMember() {
+ assertEquals("ReachableMember received", true,
+ Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
+ memberReachableReceived = new CountDownLatch(1);
+ }
+
+ void verifyFindPrimary() {
+ assertEquals("FindPrimary received", true,
+ Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
+ findPrimaryMessageReceived = new CountDownLatch(1);
+ }
+
+ public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
+ return new Builder(datastoreContextBuilder);
+ }
+
+ private static class Builder extends AbstractGenericBuilder<Builder, TestShardManager> {
+ private ActorRef shardActor;
+ private final Map<String, ActorRef> shardActors = new HashMap<>();
+
+ Builder(DatastoreContext.Builder datastoreContextBuilder) {
+ super(TestShardManager.class);
+ datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
+ }
+
+ Builder shardActor(ActorRef shardActor) {
+ this.shardActor = shardActor;
+ return this;
+ }
+
+ Builder addShardActor(String shardName, ActorRef actorRef){
+ shardActors.put(shardName, actorRef);
+ return this;
+ }
+ }
+
+ @Override
+ public void saveSnapshot(Object obj) {
+ snapshot = (ShardManagerSnapshot) obj;
+ snapshotPersist.countDown();
+ super.saveSnapshot(obj);
+ }
+
+ void verifySnapshotPersisted(Set<String> shardList) {
+ assertEquals("saveSnapshot invoked", true,
+ Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
+ assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
+ }
+
+ @Override
+ protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
+ if(shardActors.get(info.getShardName()) != null){
+ return shardActors.get(info.getShardName());
+ }
+
+ if(shardActor != null) {
+ return shardActor;
+ }
+
+ return super.newShardActor(schemaContext, info);
+ }
}
- @SuppressWarnings("serial")
- static class TestShardManagerCreator implements Creator<TestShardManager> {
- String shardMrgIDSuffix;
+ private static abstract class AbstractGenericBuilder<T extends AbstractGenericBuilder<T, ?>, C extends ShardManager>
+ extends ShardManager.AbstractBuilder<T> {
+ private final Class<C> shardManagerClass;
- TestShardManagerCreator(String shardMrgIDSuffix) {
- this.shardMrgIDSuffix = shardMrgIDSuffix;
+ AbstractGenericBuilder(Class<C> shardManagerClass) {
+ this.shardManagerClass = shardManagerClass;
+ cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).
+ waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
}
@Override
- public TestShardManager create() throws Exception {
- return new TestShardManager(shardMrgIDSuffix);
+ public Props props() {
+ verify();
+ return Props.create(shardManagerClass, this);
}
+ }
+ private static class GenericBuilder<C extends ShardManager> extends AbstractGenericBuilder<GenericBuilder<C>, C> {
+ GenericBuilder(Class<C> shardManagerClass) {
+ super(shardManagerClass);
+ }
}
private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
return delegate.create();
}
}
+
+ interface MessageInterceptor extends Function<Object, Object> {
+ boolean canIntercept(Object message);
+ }
+
+ private MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
+ return new MessageInterceptor(){
+ @Override
+ public Object apply(Object message) {
+ return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
+ }
+
+ @Override
+ public boolean canIntercept(Object message) {
+ return message instanceof FindPrimary;
+ }
+ };
+ }
+
+ private static class MockRespondActor extends MessageCollectorActor {
+ static final String CLEAR_RESPONSE = "clear-response";
+ static final org.slf4j.Logger LOG = LoggerFactory.getLogger(MockRespondActor.class);
+
+ private volatile Object responseMsg;
+
+ @SuppressWarnings("unused")
+ public MockRespondActor() {
+ }
+
+ @SuppressWarnings("unused")
+ public MockRespondActor(Object responseMsg) {
+ this.responseMsg = responseMsg;
+ }
+
+ public void updateResponse(Object response) {
+ responseMsg = response;
+ }
+
+ @Override
+ public void onReceive(Object message) throws Exception {
+ if(!"get-all-messages".equals(message)) {
+ LOG.debug("Received message : {}", message);
+ }
+ super.onReceive(message);
+ if (message instanceof AddServer && responseMsg != null) {
+ getSender().tell(responseMsg, getSelf());
+ } else if(message instanceof RemoveServer && responseMsg != null){
+ getSender().tell(responseMsg, getSelf());
+ } else if(message.equals(CLEAR_RESPONSE)) {
+ responseMsg = null;
+ }
+ }
+ }
}
Code Review / controller.git / blobdiff