+/*
+ * 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.PoisonPill;
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.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
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.Arrays;
import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
import java.util.HashSet;
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.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.DoNothingActor;
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.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.ServerChangeStatus;
+import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
+import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
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 scala.concurrent.Await;
import scala.concurrent.Future;
+import scala.concurrent.duration.FiniteDuration;
public class ShardManagerTest extends AbstractActorTest {
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 ActorRef mockShardActor;
+ private static TestActorRef<MessageCollectorActor> mockShardActor;
+
+ private static String mockShardName;
+
+ private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
+ dataStoreType(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
+ .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
+
+ private static ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
+ String name = new ShardIdentifier(shardName, memberName,"config").toString();
+ return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
+ }
+
+ private final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
@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 = getSystem().actorOf(Props.create(DoNothingActor.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();
}
private Props newShardMgrProps() {
- DatastoreContext.Builder builder = DatastoreContext.newBuilder();
- builder.dataStoreType(shardMrgIDSuffix);
- return ShardManager.props(new MockClusterWrapper(), new MockConfiguration(),
- builder.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 Props newShardMgrProps(Configuration config) {
+ return TestShardManager.builder(datastoreContextBuilder).configuration(config).props();
+ }
+
+ private Props newPropsShardMgrWithMockShardActor() {
+ return newPropsShardMgrWithMockShardActor("shardManager", mockShardActor, new MockClusterWrapper(),
+ new MockConfiguration());
+ }
+
+ private Props newPropsShardMgrWithMockShardActor(final String name, final ActorRef shardActor,
+ final ClusterWrapper clusterWrapper, final Configuration config) {
+ Creator<ShardManager> creator = new Creator<ShardManager>() {
+ private static final long serialVersionUID = 1L;
+ @Override
+ public ShardManager create() throws Exception {
+ return new ForwardingShardManager(ShardManager.builder().cluster(clusterWrapper).configuration(config).
+ datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build())).
+ waitTillReadyCountdownLatch(ready).primaryShardInfoCache(primaryShardInfoCache), name, shardActor);
+ }
+ };
+
+ return Props.create(new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId());
+ }
+
+ private TestShardManager newTestShardManager() {
+ return newTestShardManager(newShardMgrProps());
+ }
+
+ private TestShardManager newTestShardManager(Props props) {
+ TestActorRef<TestShardManager> shardManagerActor = TestActorRef.create(getSystem(), props);
+ TestShardManager shardManager = shardManagerActor.underlyingActor();
+ shardManager.waitForRecoveryComplete();
+ return shardManager;
+ }
+
+ @Test
+ public void testPerShardDatastoreContext() throws Exception {
+ 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 = TestActorRef.create(getSystem(),
+ Props.create(MessageCollectorActor.class), "default");
+ final TestActorRef<MessageCollectorActor> topologyShardActor = TestActorRef.create(getSystem(),
+ Props.create(MessageCollectorActor.class), "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 CountDownLatch newShardActorLatch = new CountDownLatch(2);
+ final Creator<ShardManager> creator = new Creator<ShardManager>() {
+ private static final long serialVersionUID = 1L;
+ @Override
+ public ShardManager create() throws Exception {
+ return new ShardManager(ShardManager.builder().cluster(new MockClusterWrapper()).configuration(mockConfig).
+ datastoreContextFactory(mockFactory).waitTillReadyCountdownLatch(ready).
+ primaryShardInfoCache(primaryShardInfoCache)) {
+ @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;
+ }
+ };
+ }
+ };
+
+ JavaTestKit kit = new JavaTestKit(getSystem());
+
+ final ActorRef shardManager = getSystem().actorOf(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());
+
+ defaultShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ topologyShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
}
@Test
public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ final ActorRef shardManager = getSystem().actorOf(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 testOnReceiveFindPrimaryForExistentShard() throws Exception {
+ public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
shardManager.tell(new ActorInitialized(), mockShardActor);
- shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false).toSerializable(), getRef());
+ DataTree mockDataTree = mock(DataTree.class);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
+ DataStoreVersions.CURRENT_VERSION), getRef());
- expectMsgClass(duration("5 seconds"), PrimaryFound.SERIALIZABLE_CLASS);
+ 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), getRef());
+
+ 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());
}};
}
@Test
- public void testOnReceiveFindPrimaryForNotInitializedShard() throws Exception {
+ public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ final ActorRef shardManager = getSystem().actorOf(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).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
- expectMsgClass(duration("5 seconds"), ActorNotInitialized.class);
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
}};
}
@Test
- public void testOnReceiveFindPrimaryWaitForShardInitialized() throws Exception {
+ public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
- // We're passing waitUntilInitialized = true to FindPrimary so the response should be
- // delayed until we send ActorInitialized.
- Future<Object> future = Patterns.ask(shardManager, new FindPrimary(Shard.DEFAULT_NAME, true),
- new Timeout(5, TimeUnit.SECONDS));
+ String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
+ MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
- shardManager.tell(new ActorInitialized(), mockShardActor);
+ String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.tell(new RoleChangeNotification(memberId1,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
+ short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
+ shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
+ leaderVersion), mockShardActor);
- Object resp = Await.result(future, duration("5 seconds"));
- assertTrue("Expected: PrimaryFound, Actual: " + resp, resp instanceof PrimaryFound);
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
+
+ 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());
}};
}
@Test
- public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
+ public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
-
- shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
-
- shardManager.tell(new FindLocalShard("non-existent", false), getRef());
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
- assertEquals("getShardName", "non-existent", notFound.getShardName());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
}};
}
@Test
- public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
+ public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
shardManager.tell(new ActorInitialized(), mockShardActor);
- shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
-
- LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
- assertTrue("Found path contains " + found.getPath().path().toString(),
- found.getPath().path().toString().contains("member-1-shard-default-config"));
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
}};
}
@Test
- public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
+ public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.tell(new RoleChangeNotification(memberId,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
+
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
+
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
+
+ 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), getRef());
- expectMsgClass(duration("5 seconds"), ActorNotInitialized.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());
}};
}
@Test
- public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
+ public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- // 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));
+ // 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), getRef());
+
+ expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
shardManager.tell(new ActorInitialized(), mockShardActor);
- Object resp = Await.result(future, duration("5 seconds"));
- assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
+ expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.tell(new RoleChangeNotification(memberId,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
+
+ expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
+
+ DataTree mockDataTree = mock(DataTree.class);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
+ DataStoreVersions.CURRENT_VERSION), mockShardActor);
+
+ 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));
}};
}
@Test
- public void testOnReceiveMemberUp() throws Exception {
+ public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- shardManager.tell(new FindPrimary("astronauts", false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
- PrimaryFound found = PrimaryFound.fromSerializable(expectMsgClass(duration("5 seconds"),
- PrimaryFound.SERIALIZABLE_CLASS));
- String path = found.getPrimaryPath();
- assertTrue("Found path contains " + path, path.contains("member-2-shard-astronauts-config"));
+ expectMsgClass(duration("2 seconds"), NotInitializedException.class);
+
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
}};
}
@Test
- public void testOnReceiveMemberDown() throws Exception {
-
+ public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
new JavaTestKit(getSystem()) {{
- final ActorRef shardManager = getSystem().actorOf(newShardMgrProps());
-
- MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
-
- shardManager.tell(new FindPrimary("astronauts", false).toSerializable(), getRef());
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- expectMsgClass(duration("5 seconds"), PrimaryFound.SERIALIZABLE_CLASS);
-
- MockClusterWrapper.sendMemberRemoved(shardManager, "member-2", getRef().path().toString());
+ 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("astronauts", false).toSerializable(), getRef());
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
- expectMsgClass(duration("5 seconds"), PrimaryNotFound.SERIALIZABLE_CLASS);
+ expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
}};
}
@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 testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
new JavaTestKit(getSystem()) {{
- TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
- Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- shardManager.underlyingActor().waitForRecoveryComplete();
- InMemoryJournal.waitForDeleteMessagesComplete(shardMgrID);
+ 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);
- // 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());
- }
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
+
+ expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
}};
}
@Test
- public void testOnRecoveryPreviouslyKnownModulesAreDiscovered() throws Exception {
- final ImmutableSet<String> persistedModules = ImmutableSet.of("foo", "bar");
- InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
- persistedModules));
+ public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
new JavaTestKit(getSystem()) {{
- TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
- Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- shardManager.underlyingActor().waitForRecoveryComplete();
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
- Collection<String> knownModules = shardManager.underlyingActor().getKnownModules();
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
- assertEquals("getKnownModules", persistedModules, Sets.newHashSet(knownModules));
+ expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
}};
}
@Test
- public void testOnUpdateSchemaContextUpdateKnownModulesIfTheyContainASuperSetOfTheKnownModules()
- throws Exception {
- new JavaTestKit(getSystem()) {{
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), newShardMgrProps());
+ public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
- assertEquals("getKnownModules size", 0, shardManager.underlyingActor().getKnownModules().size());
+ // Create an ActorSystem ShardManager actor for member-1.
- ModuleIdentifier foo = mock(ModuleIdentifier.class);
- when(foo.getNamespace()).thenReturn(new URI("foo"));
+ final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
- moduleIdentifierSet.add(foo);
+ ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
- SchemaContext schemaContext = mock(SchemaContext.class);
- when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+ final TestActorRef<ForwardingShardManager> shardManager1 = TestActorRef.create(system1,
+ newPropsShardMgrWithMockShardActor("shardManager1", mockShardActor1, new ClusterWrapperImpl(system1),
+ new MockConfiguration()), shardManagerID);
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ // Create an ActorSystem ShardManager actor for member-2.
- assertEquals("getKnownModules", Sets.newHashSet("foo"),
- Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+ final ActorSystem system2 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
- ModuleIdentifier bar = mock(ModuleIdentifier.class);
- when(bar.getNamespace()).thenReturn(new URI("bar"));
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- moduleIdentifierSet.add(bar);
+ final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).build());
- assertEquals("getKnownModules", Sets.newHashSet("foo", "bar"),
- Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
- }};
- }
+ final TestActorRef<ForwardingShardManager> shardManager2 = TestActorRef.create(system2,
+ newPropsShardMgrWithMockShardActor("shardManager2", mockShardActor2, new ClusterWrapperImpl(system2),
+ mockConfig2), shardManagerID);
- @Test
- public void testOnUpdateSchemaContextDoNotUpdateKnownModulesIfTheyDoNotContainASuperSetOfKnownModules()
- throws Exception {
- new JavaTestKit(getSystem()) {{
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), newShardMgrProps());
+ new JavaTestKit(system1) {{
- SchemaContext schemaContext = mock(SchemaContext.class);
- Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
+ shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- ModuleIdentifier foo = mock(ModuleIdentifier.class);
- when(foo.getNamespace()).thenReturn(new URI("foo"));
+ shardManager2.tell(new ActorInitialized(), mockShardActor2);
- moduleIdentifierSet.add(foo);
+ 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);
- when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+ shardManager1.underlyingActor().waitForMemberUp();
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ shardManager1.tell(new FindPrimary("astronauts", false), getRef());
- assertEquals("getKnownModules", Sets.newHashSet("foo"),
- Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+ RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
+ String path = found.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
+ assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
- //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"));
+ shardManager2.underlyingActor().verifyFindPrimary();
- moduleIdentifierSet.add(bar);
+ Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ shardManager1.underlyingActor().waitForMemberRemoved();
- assertEquals("getKnownModules", Sets.newHashSet("foo"),
- Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+ shardManager1.tell(new FindPrimary("astronauts", false), getRef());
+ expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
}};
+
+ JavaTestKit.shutdownActorSystem(system1);
+ JavaTestKit.shutdownActorSystem(system2);
}
@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 testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
+ 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 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("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 TestActorRef<ForwardingShardManager> shardManager1 = TestActorRef.create(system1,
+ newPropsShardMgrWithMockShardActor("shardManager1", mockShardActor1, new ClusterWrapperImpl(system1),
+ new MockConfiguration()), shardManagerID);
- assertFalse("Recovery Not Applicable", dataPersistenceProvider2.isRecoveryApplicable());
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("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<ForwardingShardManager> shardManager2 = TestActorRef.create(system2,
+ newPropsShardMgrWithMockShardActor("shardManager2", mockShardActor2, new ClusterWrapperImpl(system2),
+ mockConfig2), shardManagerID);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), Props.create(new DelegatingShardManagerCreator(creator)));
+ new JavaTestKit(system1) {{
- ModuleIdentifier foo = mock(ModuleIdentifier.class);
- when(foo.getNamespace()).thenReturn(new URI("foo"));
+ shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager1.tell(new ActorInitialized(), mockShardActor1);
+ shardManager2.tell(new ActorInitialized(), mockShardActor2);
- Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
- moduleIdentifierSet.add(foo);
+ 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();
- SchemaContext schemaContext = mock(SchemaContext.class);
- when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+ 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("Persisted", true,
- Uninterruptibles.awaitUninterruptibly(persistLatch, 5, TimeUnit.SECONDS));
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- }};
- }
+ shardManager1.underlyingActor().waitForUnreachableMember();
- @Test
- public void testRoleChangeNotificationReleaseReady() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
+ PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
+ assertEquals("getMemberName", "member-2", peerDown.getMemberName());
+ MessageCollectorActor.clearMessages(mockShardActor1);
- shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- verify(ready, times(1)).countDown();
+ MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
- }};
- }
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- @Test
- public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
- new JavaTestKit(getSystem()) {
- {
- final Props persistentProps = ShardManager.props(
- new MockClusterWrapper(),
- new MockConfiguration(),
- DatastoreContext.newBuilder().persistent(true).build(), ready);
- final TestActorRef<ShardManager> shardManager =
- TestActorRef.create(getSystem(), persistentProps);
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
- shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification("unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- verify(ready, never()).countDown();
+ shardManager1.underlyingActor().waitForReachableMember();
- }};
- }
+ PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
+ assertEquals("getMemberName", "member-2", peerUp.getMemberName());
+ MessageCollectorActor.clearMessages(mockShardActor1);
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- @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);
+ 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 shardManagerActor = shardManager.underlyingActor();
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
- }
+ MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.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()));
+ }};
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ JavaTestKit.shutdownActorSystem(system1);
+ JavaTestKit.shutdownActorSystem(system2);
}
@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()));
+ public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ // Create an ActorSystem ShardManager actor for member-1.
- // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+ final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
- }
+ final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
- @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()));
+ final TestActorRef<ForwardingShardManager> shardManager1 = TestActorRef.create(system1,
+ newPropsShardMgrWithMockShardActor("shardManager1", mockShardActor1, new ClusterWrapperImpl(system1),
+ new MockConfiguration()), shardManagerID);
- // Initially will be false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ // Create an ActorSystem ShardManager actor for member-2.
- // Send status true will make sync status true
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+ final ActorSystem system2 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
- // Send status false will make sync status false
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(false, "member-1-shard-default-unknown"));
+ final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).build());
- }
+ final TestActorRef<ForwardingShardManager> shardManager2 = TestActorRef.create(system2,
+ newPropsShardMgrWithMockShardActor("shardManager2", mockShardActor2, new ClusterWrapperImpl(system2),
+ mockConfig2), shardManagerID);
- @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);
+ new JavaTestKit(system1) {{
- ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager1.tell(new ActorInitialized(), mockShardActor1);
+ shardManager2.tell(new ActorInitialized(), mockShardActor2);
- // Initially will be false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ 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();
- // Make default shard leader
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
- RaftState.Follower.name(), RaftState.Leader.name()));
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- // default = Leader, astronauts is unknown so sync status remains false
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
+ String path = found.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
- // Make astronauts shard leader as well
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
- RaftState.Follower.name(), RaftState.Leader.name()));
+ primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
+ mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
- // Now sync status should be true
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
- // Make astronauts a Follower
- shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
- RaftState.Leader.name(), RaftState.Follower.name()));
+ shardManager1.underlyingActor().waitForUnreachableMember();
- // Sync status is not true
- assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ shardManager1.tell(new FindPrimary("default", true), getRef());
- // Make the astronauts follower sync status true
- shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-astronauts-unknown"));
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
- // Sync status is now true
- assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
+
+ 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);
+ shardManager1.tell(new FindPrimary("default", true), getRef());
+
+ LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
+ String path1 = found1.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
+
+ }};
+
+ JavaTestKit.shutdownActorSystem(system1);
+ JavaTestKit.shutdownActorSystem(system2);
}
- 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);
- }
+ @Test
+ public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- @Override
- public void handleRecover(Object message) throws Exception {
- try {
- super.handleRecover(message);
- } finally {
- if(message instanceof RecoveryCompleted) {
- recoveryComplete.countDown();
- }
- }
- }
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
- void waitForRecoveryComplete() {
- assertEquals("Recovery complete", true,
- Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
- }
+ shardManager.tell(new FindLocalShard("non-existent", false), getRef());
+
+ LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+
+ assertEquals("getShardName", "non-existent", notFound.getShardName());
+ }};
}
- @SuppressWarnings("serial")
- static class TestShardManagerCreator implements Creator<TestShardManager> {
- String shardMrgIDSuffix;
+ @Test
+ public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- TestShardManagerCreator(String shardMrgIDSuffix) {
- this.shardMrgIDSuffix = shardMrgIDSuffix;
- }
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
- @Override
- public TestShardManager create() throws Exception {
- return new TestShardManager(shardMrgIDSuffix);
- }
+ 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"));
+ }};
}
- private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
- private static final long serialVersionUID = 1L;
- private final Creator<ShardManager> delegate;
+ @Test
+ public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
- public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
- this.delegate = delegate;
- }
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
- @Override
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ // 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));
+
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ Object resp = Await.result(future, duration("5 seconds"));
+ assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
+ }};
+ }
+
+ @Test
+ 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);
+
+ TestShardManager shardManager = newTestShardManager();
+
+ 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();
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.onReceiveCommand(new RoleChangeNotification(
+ memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
+
+ verify(ready, never()).countDown();
+
+ shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
+ Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
+
+ verify(ready, times(1)).countDown();
+ }
+
+ @Test
+ 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.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, 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{
+ 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
+ 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, shardManager.getMBean().getSyncStatus());
+
+ // Make astronauts shard leader as well
+ 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, shardManager.getMBean().getSyncStatus());
+
+ // Make astronauts a Follower
+ shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
+ RaftState.Leader.name(), RaftState.Follower.name()));
+
+ // Sync status is not true
+ assertEquals(false, shardManager.getMBean().getSyncStatus());
+
+ // Make the astronauts follower sync status true
+ shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
+
+ // Sync status is now true
+ assertEquals(true, shardManager.getMBean().getSyncStatus());
+
+ }
+
+ @Test
+ public void testOnReceiveSwitchShardBehavior() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(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() {
+ new JavaTestKit(getSystem()) {{
+ datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
+
+ ActorRef shardManager = getSystem().actorOf(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());
+ }};
+ }
+
+ @Test
+ public void testOnCreateShardWithLocalMemberNotInShardConfig() {
+ new JavaTestKit(getSystem()) {{
+ datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
+
+ ActorRef shardManager = getSystem().actorOf(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());
+ }};
+ }
+
+ @Test
+ public void testOnCreateShardWithNoInitialSchemaContext() {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = getSystem().actorOf(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());
+ }};
+ }
+
+ @Test
+ public void testGetSnapshot() throws Throwable {
+ 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")).build());
+
+ ActorRef shardManager = getSystem().actorOf(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());
+
+ kit = new JavaTestKit(getSystem());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
+
+ shardManager.tell(new FindLocalShard("shard1", true), kit.getRef());
+ kit.expectMsgClass(LocalShardFound.class);
+ shardManager.tell(new FindLocalShard("shard2", true), kit.getRef());
+ kit.expectMsgClass(LocalShardFound.class);
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+
+ DatastoreSnapshot datastoreSnapshot = kit.expectMsgClass(DatastoreSnapshot.class);
+
+ assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
+ List<ShardSnapshot> shardSnapshots = datastoreSnapshot.getShardSnapshots();
+ Set<String> actualShardNames = new HashSet<>();
+ for(ShardSnapshot s: shardSnapshots) {
+ actualShardNames.add(s.getName());
+ }
+
+ assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), actualShardNames);
+
+ shardManager.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }
+
+ @Test
+ public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = getSystem().actorOf(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());
+
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+
+ // Create an ActorSystem ShardManager actor for member-1.
+ final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("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<ForwardingShardManager> newReplicaShardManager = TestActorRef.create(system1,
+ newPropsShardMgrWithMockShardActor("shardManager1", mockDefaultShardActor,
+ new ClusterWrapperImpl(system1), mockConfig), shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = ActorSystem.create("cluster-test",
+ ConfigFactory.load().getConfig("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<ForwardingShardManager> leaderShardManager = TestActorRef.create(system2,
+ newPropsShardMgrWithMockShardActor("shardManager2", mockShardLeaderActor,
+ new ClusterWrapperImpl(system2), mockConfig), 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();
+
+ //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());
+ newReplicaShardManager.underlyingActor()
+ .verifySnapshotPersisted(Sets.newHashSet("default", "astronauts"));
+ expectMsgClass(duration("5 seconds"), Status.Success.class);
+ }};
+
+ JavaTestKit.shutdownActorSystem(system1);
+ JavaTestKit.shutdownActorSystem(system2);
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
+ 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);
+
+ leaderShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ ActorRef shardManager = getSystem().actorOf(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);
+ }};
+ }
+
+ @Test
+ public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
+ 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");
+ TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
+ newPropsShardMgrWithMockShardActor("newReplicaShardManager", mockNewReplicaShardActor,
+ new MockClusterWrapper(), mockConfig), 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());
+ }};
+ }
+
+ @Test
+ public void testAddShardReplicaWithAlreadyInProgress() 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("astronauts", Arrays.asList("member-2")).build());
+
+ TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
+ newPropsShardMgrWithMockShardActor("newReplicaShardManager", mockShardActor,
+ new MockClusterWrapper(), mockConfig), shardMgrID);
+ shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+
+ mockShardLeaderKit.expectMsgClass(AddServer.class);
+
+ shardManager.tell(new AddShardReplica("astronauts"), secondRequestKit.getRef());
+
+ secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
+ }};
+ }
+
+ @Test
+ public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ ActorRef newReplicaShardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(
+ "shardManager", mockShardActor, new MockClusterWrapper(), mockConfig));
+
+ 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));
+ }};
+ }
+
+ @Test
+ public void testRemoveShardReplicaForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new RemoveShardReplica("model-inventory"), getRef());
+ Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof IllegalArgumentException));
+ }};
+
+ }
+
+ @Test
+ public void testServerRemovedShardActorNotRunning() throws Exception {
+ 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 = TestActorRef.create(getSystem(),
+ 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();
+ final ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type("config1").build();
+ shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
+
+ shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
+ }};
+ }
+
+ @Test
+ public void testServerRemovedShardActorRunning() throws Exception {
+ 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 = TestActorRef.create(getSystem(),
+ newShardMgrProps(mockConfig));
+
+ TestActorRef<MessageCollectorActor> shard = TestActorRef.create(getSystem(), MessageCollectorActor.props());
+
+ watch(shard);
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+
+ shardManager.underlyingActor().addShardActor("default", shard);
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ 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();
+ final ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type("config1").build();
+ shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
+
+ shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
+
+ expectMsgClass(duration("5 seconds"), Terminated.class);
+ }};
+ }
+
+
+ @Test
+ public void testShardPersistenceWithRestoredData() throws Exception {
+ 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 = TestActorRef.create(getSystem(),
+ 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);
+ }};
+ }
+
+
+ private static class TestShardManager extends ShardManager {
+ private final CountDownLatch recoveryComplete = new CountDownLatch(1);
+ private final CountDownLatch snapshotPersist = new CountDownLatch(1);
+ private ShardManagerSnapshot snapshot;
+ private Map<String, ActorRef> shardActors = new HashMap<>();
+
+ private TestShardManager(Builder builder) {
+ super(builder);
+ }
+
+ @Override
+ public void handleRecover(Object message) throws Exception {
+ try {
+ super.handleRecover(message);
+ } finally {
+ if(message instanceof RecoveryCompleted) {
+ recoveryComplete.countDown();
+ }
+ }
+ }
+
+ void waitForRecoveryComplete() {
+ assertEquals("Recovery complete", true,
+ Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
+ }
+
+ public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
+ return new Builder(datastoreContextBuilder);
+ }
+
+ private static class Builder extends ShardManager.Builder {
+ Builder(DatastoreContext.Builder datastoreContextBuilder) {
+ cluster(new MockClusterWrapper()).configuration(new MockConfiguration());
+ datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
+ waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
+ }
+
+ @Override
+ public Props props() {
+ verify();
+ return Props.create(TestShardManager.class, this);
+ }
+ }
+
+ @Override
+ public void saveSnapshot(Object obj) {
+ snapshot = (ShardManagerSnapshot) obj;
+ snapshotPersist.countDown();
+ }
+
+ 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());
+ }
+ return super.newShardActor(schemaContext, info);
+ }
+
+ public void addShardActor(String shardName, ActorRef actorRef){
+ shardActors.put(shardName, actorRef);
+ }
+ }
+
+ private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
+ private static final long serialVersionUID = 1L;
+ private final Creator<ShardManager> delegate;
+
+ public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
+ this.delegate = delegate;
+ }
+
+ @Override
public ShardManager create() throws Exception {
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 ForwardingShardManager extends ShardManager {
+ 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 final ActorRef shardActor;
+ private final String name;
+ private final CountDownLatch snapshotPersist = new CountDownLatch(1);
+ private ShardManagerSnapshot snapshot;
+ private volatile MessageInterceptor messageInterceptor;
+
+ public ForwardingShardManager(Builder builder, String name, ActorRef shardActor) {
+ super(builder);
+ this.shardActor = shardActor;
+ this.name = name;
+ }
+
+ void setMessageInterceptor(MessageInterceptor messageInterceptor) {
+ this.messageInterceptor = messageInterceptor;
+ }
+
+
+ @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();
+ }
+ }
+ }
+ }
+
+ @Override
+ public String persistenceId() {
+ return name;
+ }
+
+ @Override
+ protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
+ return shardActor;
+ }
+
+ 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);
+ }
+
+ @Override
+ public void saveSnapshot(Object obj) {
+ snapshot = (ShardManagerSnapshot) obj;
+ snapshotPersist.countDown();
+ }
+
+ void verifySnapshotPersisted(Set<String> shardList) {
+ assertEquals("saveSnapshot invoked", true,
+ Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
+ assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
+ }
+ }
+
+ private static class MockRespondActor extends MessageCollectorActor {
+ static final String CLEAR_RESPONSE = "clear-response";
+
+ 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 {
+ super.onReceive(message);
+ if (message instanceof AddServer) {
+ if (responseMsg != null) {
+ getSender().tell(responseMsg, getSelf());
+ }
+ } if(message.equals(CLEAR_RESPONSE)) {
+ responseMsg = null;
+ }
+ }
+ }
}
Code Review / controller.git / blobdiff