2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.datastore.shardmanager;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertNull;
14 import static org.junit.Assert.assertSame;
15 import static org.junit.Assert.assertTrue;
16 import static org.junit.Assert.fail;
17 import static org.mockito.Mockito.mock;
18 import static org.mockito.Mockito.never;
19 import static org.mockito.Mockito.times;
20 import static org.mockito.Mockito.verify;
22 import akka.actor.ActorRef;
23 import akka.actor.ActorSystem;
24 import akka.actor.AddressFromURIString;
25 import akka.actor.Props;
26 import akka.actor.Status;
27 import akka.actor.Status.Failure;
28 import akka.actor.Status.Success;
29 import akka.cluster.Cluster;
30 import akka.cluster.ClusterEvent;
31 import akka.cluster.Member;
32 import akka.dispatch.Dispatchers;
33 import akka.japi.Creator;
34 import akka.pattern.Patterns;
35 import akka.persistence.RecoveryCompleted;
36 import akka.serialization.Serialization;
37 import akka.testkit.JavaTestKit;
38 import akka.testkit.TestActorRef;
39 import akka.util.Timeout;
40 import com.google.common.base.Function;
41 import com.google.common.base.Stopwatch;
42 import com.google.common.collect.ImmutableMap;
43 import com.google.common.collect.ImmutableSet;
44 import com.google.common.collect.Lists;
45 import com.google.common.collect.Sets;
46 import com.google.common.util.concurrent.Uninterruptibles;
47 import com.typesafe.config.ConfigFactory;
49 import java.util.AbstractMap;
50 import java.util.Arrays;
51 import java.util.Collection;
52 import java.util.Collections;
53 import java.util.HashMap;
54 import java.util.List;
56 import java.util.Map.Entry;
58 import java.util.concurrent.CountDownLatch;
59 import java.util.concurrent.TimeUnit;
60 import java.util.concurrent.TimeoutException;
61 import java.util.stream.Collectors;
62 import org.apache.commons.lang3.SerializationUtils;
63 import org.junit.Test;
64 import org.mockito.Mockito;
65 import org.opendaylight.controller.cluster.access.concepts.MemberName;
66 import org.opendaylight.controller.cluster.datastore.AbstractShardManagerTest;
67 import org.opendaylight.controller.cluster.datastore.ClusterWrapperImpl;
68 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
69 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
70 import org.opendaylight.controller.cluster.datastore.DatastoreContextFactory;
71 import org.opendaylight.controller.cluster.datastore.Shard;
72 import org.opendaylight.controller.cluster.datastore.ShardManager.SchemaContextModules;
73 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
74 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
75 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
76 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
77 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
78 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
79 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
80 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
81 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
82 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
83 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
84 import org.opendaylight.controller.cluster.datastore.messages.ChangeShardMembersVotingStatus;
85 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
86 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
87 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
88 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
89 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
90 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
91 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
92 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
93 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
94 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
95 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
96 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
97 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
98 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
99 import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot.ShardSnapshot;
100 import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
101 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
102 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
103 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
104 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
105 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
106 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
107 import org.opendaylight.controller.cluster.raft.RaftState;
108 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
109 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
110 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
111 import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
112 import org.opendaylight.controller.cluster.raft.messages.AddServer;
113 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
114 import org.opendaylight.controller.cluster.raft.messages.ChangeServersVotingStatus;
115 import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
116 import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
117 import org.opendaylight.controller.cluster.raft.messages.ServerChangeReply;
118 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
119 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
120 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
121 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
122 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
123 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
124 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
125 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
126 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
127 import org.slf4j.Logger;
128 import org.slf4j.LoggerFactory;
129 import scala.concurrent.Await;
130 import scala.concurrent.Future;
131 import scala.concurrent.duration.FiniteDuration;
133 public class ShardManagerTest extends AbstractShardManagerTest {
134 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
135 private static final MemberName MEMBER_2 = MemberName.forName("member-2");
136 private static final MemberName MEMBER_3 = MemberName.forName("member-3");
138 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
140 private ActorSystem newActorSystem(String config) {
141 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
142 actorSystems.add(system);
146 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
147 String name = ShardIdentifier.create(shardName, MemberName.forName(memberName), "config").toString();
148 if (system == getSystem()) {
149 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
152 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
155 private Props newShardMgrProps() {
156 return newShardMgrProps(new MockConfiguration());
159 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
160 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
161 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
162 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
166 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
167 return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
170 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
171 return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
175 private Props newPropsShardMgrWithMockShardActor() {
176 return newTestShardMgrBuilderWithMockShardActor().props().withDispatcher(
177 Dispatchers.DefaultDispatcherId());
180 private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
181 return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
185 private TestShardManager newTestShardManager() {
186 return newTestShardManager(newShardMgrProps());
189 private TestShardManager newTestShardManager(Props props) {
190 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
191 TestShardManager shardManager = shardManagerActor.underlyingActor();
192 shardManager.waitForRecoveryComplete();
196 private static void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
197 AssertionError last = null;
198 Stopwatch sw = Stopwatch.createStarted();
199 while (sw.elapsed(TimeUnit.SECONDS) <= 5) {
201 shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
202 kit.expectMsgClass(LocalShardFound.class);
204 } catch (AssertionError e) {
208 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
214 @SuppressWarnings("unchecked")
215 private static <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
216 Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
217 if (reply instanceof Failure) {
218 throw new AssertionError(msg + " failed", ((Failure)reply).cause());
225 public void testPerShardDatastoreContext() throws Exception {
226 LOG.info("testPerShardDatastoreContext starting");
227 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
228 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
231 DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).shardElectionTimeoutFactor(6).build())
232 .when(mockFactory).getShardDatastoreContext("default");
235 DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).shardElectionTimeoutFactor(7).build())
236 .when(mockFactory).getShardDatastoreContext("topology");
238 final MockConfiguration mockConfig = new MockConfiguration() {
240 public Collection<String> getMemberShardNames(MemberName memberName) {
241 return Arrays.asList("default", "topology");
245 public Collection<MemberName> getMembersFromShardName(String shardName) {
246 return members("member-1");
250 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
251 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
252 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
253 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
255 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
256 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
257 shardInfoMap.put("default", new AbstractMap.SimpleEntry<>(defaultShardActor, null));
258 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<>(topologyShardActor, null));
260 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
261 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
262 class LocalShardManager extends ShardManager {
263 LocalShardManager(AbstractShardManagerCreator<?> creator) {
268 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
269 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
272 ref = entry.getKey();
273 entry.setValue(info.getDatastoreContext());
276 newShardActorLatch.countDown();
281 final Creator<ShardManager> creator = new Creator<ShardManager>() {
282 private static final long serialVersionUID = 1L;
284 public ShardManager create() throws Exception {
285 return new LocalShardManager(
286 new GenericCreator<>(LocalShardManager.class).datastoreContextFactory(mockFactory)
287 .primaryShardInfoCache(primaryShardInfoCache).configuration(mockConfig));
291 JavaTestKit kit = new JavaTestKit(getSystem());
293 final ActorRef shardManager = actorFactory.createActor(Props.create(
294 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
296 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
298 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
299 assertEquals("getShardElectionTimeoutFactor", 6,
300 shardInfoMap.get("default").getValue().getShardElectionTimeoutFactor());
301 assertEquals("getShardElectionTimeoutFactor", 7,
302 shardInfoMap.get("topology").getValue().getShardElectionTimeoutFactor());
304 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
305 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
307 DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).shardElectionTimeoutFactor(66).build())
308 .when(newMockFactory).getShardDatastoreContext("default");
311 DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).shardElectionTimeoutFactor(77).build())
312 .when(newMockFactory).getShardDatastoreContext("topology");
314 shardManager.tell(newMockFactory, kit.getRef());
316 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor,
317 DatastoreContext.class);
318 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
320 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
321 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
323 LOG.info("testPerShardDatastoreContext ending");
327 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
328 new JavaTestKit(getSystem()) {
330 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
332 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
334 shardManager.tell(new FindPrimary("non-existent", false), getRef());
336 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
342 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
343 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
344 new JavaTestKit(getSystem()) {
346 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
348 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
350 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
351 shardManager.tell(new ActorInitialized(), mockShardActor);
353 DataTree mockDataTree = mock(DataTree.class);
354 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
355 DataStoreVersions.CURRENT_VERSION), getRef());
357 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
359 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
362 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
364 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"),
365 LocalPrimaryShardFound.class);
366 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
367 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
368 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
372 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
376 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
377 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
378 new JavaTestKit(getSystem()) {
380 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
382 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
383 shardManager.tell(new ActorInitialized(), mockShardActor);
385 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
386 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
388 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
390 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION),
393 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
395 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
399 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
403 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
404 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
405 new JavaTestKit(getSystem()) {
407 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
409 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
410 shardManager.tell(new ActorInitialized(), mockShardActor);
412 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
413 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
415 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
417 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
419 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
420 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, leaderVersion), mockShardActor);
422 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
424 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"),
425 RemotePrimaryShardFound.class);
426 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
427 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
428 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
432 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
436 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
437 new JavaTestKit(getSystem()) {
439 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
441 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
443 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
449 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
450 new JavaTestKit(getSystem()) {
452 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
454 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
455 shardManager.tell(new ActorInitialized(), mockShardActor);
457 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
459 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
465 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
466 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
467 new JavaTestKit(getSystem()) {
469 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
471 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
472 shardManager.tell(new ActorInitialized(), mockShardActor);
474 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
476 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Follower.name()),
479 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
481 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
483 DataTree mockDataTree = mock(DataTree.class);
484 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
485 DataStoreVersions.CURRENT_VERSION), mockShardActor);
487 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
489 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"),
490 LocalPrimaryShardFound.class);
491 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
492 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
493 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
497 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
501 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
502 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
503 datastoreContextBuilder.shardInitializationTimeout(10, TimeUnit.SECONDS);
504 new JavaTestKit(getSystem()) {
506 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
508 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
510 // We're passing waitUntilInitialized = true to FindPrimary so
511 // the response should be
512 // delayed until we send ActorInitialized and
513 // RoleChangeNotification.
514 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
516 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
518 shardManager.tell(new ActorInitialized(), mockShardActor);
520 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
522 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
524 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
527 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
529 DataTree mockDataTree = mock(DataTree.class);
530 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
531 DataStoreVersions.CURRENT_VERSION), mockShardActor);
533 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"),
534 LocalPrimaryShardFound.class);
535 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
536 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
537 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
539 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
543 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
547 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
548 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
549 new JavaTestKit(getSystem()) {
551 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
553 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
555 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
557 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
559 shardManager.tell(new ActorInitialized(), mockShardActor);
561 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
565 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
569 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
570 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
571 new JavaTestKit(getSystem()) {
573 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
575 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
576 shardManager.tell(new ActorInitialized(), mockShardActor);
577 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix, null,
578 RaftState.Candidate.name()), mockShardActor);
580 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
582 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
586 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
590 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
591 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
592 new JavaTestKit(getSystem()) {
594 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
596 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
597 shardManager.tell(new ActorInitialized(), mockShardActor);
598 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix, null,
599 RaftState.IsolatedLeader.name()), mockShardActor);
601 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
603 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
607 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
611 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
612 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
613 new JavaTestKit(getSystem()) {
615 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
617 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
618 shardManager.tell(new ActorInitialized(), mockShardActor);
620 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
622 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
626 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
630 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
631 LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
632 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
634 // Create an ActorSystem ShardManager actor for member-1.
636 final ActorSystem system1 = newActorSystem("Member1");
637 Cluster.get(system1).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
639 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
640 newTestShardMgrBuilderWithMockShardActor().cluster(
641 new ClusterWrapperImpl(system1)).props().withDispatcher(
642 Dispatchers.DefaultDispatcherId()), shardManagerID);
644 // Create an ActorSystem ShardManager actor for member-2.
646 final ActorSystem system2 = newActorSystem("Member2");
648 Cluster.get(system2).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
650 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
652 MockConfiguration mockConfig2 = new MockConfiguration(
653 ImmutableMap.<String, List<String>>builder().put("default", Arrays.asList("member-1", "member-2"))
654 .put("astronauts", Arrays.asList("member-2")).build());
656 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
657 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
658 new ClusterWrapperImpl(system2)).props().withDispatcher(
659 Dispatchers.DefaultDispatcherId()), shardManagerID);
661 new JavaTestKit(system1) {
663 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
664 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
666 shardManager2.tell(new ActorInitialized(), mockShardActor2);
668 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
669 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
671 new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class), leaderVersion),
674 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
677 shardManager1.underlyingActor().waitForMemberUp();
678 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
680 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
681 String path = found.getPrimaryPath();
682 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
683 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
685 shardManager2.underlyingActor().verifyFindPrimary();
687 Cluster.get(system2).down(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
689 shardManager1.underlyingActor().waitForMemberRemoved();
691 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
693 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
697 LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
701 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
702 LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
703 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
705 // Create an ActorSystem ShardManager actor for member-1.
707 final ActorSystem system1 = newActorSystem("Member1");
708 Cluster.get(system1).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
710 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
712 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
713 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
714 new ClusterWrapperImpl(system1)).props().withDispatcher(
715 Dispatchers.DefaultDispatcherId()), shardManagerID);
717 // Create an ActorSystem ShardManager actor for member-2.
719 final ActorSystem system2 = newActorSystem("Member2");
721 Cluster.get(system2).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
723 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
725 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
726 .put("default", Arrays.asList("member-1", "member-2")).build());
728 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
729 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
730 new ClusterWrapperImpl(system2)).props().withDispatcher(
731 Dispatchers.DefaultDispatcherId()), shardManagerID);
733 new JavaTestKit(system1) {
735 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
736 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
737 shardManager1.tell(new ActorInitialized(), mockShardActor1);
738 shardManager2.tell(new ActorInitialized(), mockShardActor2);
740 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
741 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
742 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2, mock(DataTree.class),
743 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
745 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
747 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class),
748 DataStoreVersions.CURRENT_VERSION), mockShardActor2);
750 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
752 shardManager1.underlyingActor().waitForMemberUp();
754 shardManager1.tell(new FindPrimary("default", true), getRef());
756 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
757 String path = found.getPrimaryPath();
758 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
760 shardManager1.tell(MockClusterWrapper.createUnreachableMember("member-2",
761 "akka://cluster-test@127.0.0.1:2558"), getRef());
763 shardManager1.underlyingActor().waitForUnreachableMember();
765 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
766 assertEquals("getMemberName", MEMBER_2, peerDown.getMemberName());
767 MessageCollectorActor.clearMessages(mockShardActor1);
770 MockClusterWrapper.createMemberRemoved("member-2", "akka://cluster-test@127.0.0.1:2558"),
773 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
775 shardManager1.tell(new FindPrimary("default", true), getRef());
777 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
780 MockClusterWrapper.createReachableMember("member-2", "akka://cluster-test@127.0.0.1:2558"),
783 shardManager1.underlyingActor().waitForReachableMember();
785 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
786 assertEquals("getMemberName", MEMBER_2, peerUp.getMemberName());
787 MessageCollectorActor.clearMessages(mockShardActor1);
789 shardManager1.tell(new FindPrimary("default", true), getRef());
791 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
792 String path1 = found1.getPrimaryPath();
793 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
796 MockClusterWrapper.createMemberUp("member-2", "akka://cluster-test@127.0.0.1:2558"),
799 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
801 // Test FindPrimary wait succeeds after reachable member event.
803 shardManager1.tell(MockClusterWrapper.createUnreachableMember("member-2",
804 "akka://cluster-test@127.0.0.1:2558"), getRef());
805 shardManager1.underlyingActor().waitForUnreachableMember();
807 shardManager1.tell(new FindPrimary("default", true), getRef());
810 MockClusterWrapper.createReachableMember("member-2", "akka://cluster-test@127.0.0.1:2558"),
813 RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
814 String path2 = found2.getPrimaryPath();
815 assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
819 LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
823 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
824 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange starting");
825 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
827 // Create an ActorSystem ShardManager actor for member-1.
829 final ActorSystem system1 = newActorSystem("Member1");
830 Cluster.get(system1).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
832 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
834 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
835 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
836 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(new ClusterWrapperImpl(system1))
837 .primaryShardInfoCache(primaryShardInfoCache).props()
838 .withDispatcher(Dispatchers.DefaultDispatcherId()),
841 // Create an ActorSystem ShardManager actor for member-2.
843 final ActorSystem system2 = newActorSystem("Member2");
845 Cluster.get(system2).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
847 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
849 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
850 .put("default", Arrays.asList("member-1", "member-2")).build());
852 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
853 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
854 new ClusterWrapperImpl(system2)).props().withDispatcher(
855 Dispatchers.DefaultDispatcherId()), shardManagerID);
857 new JavaTestKit(system1) {
859 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
860 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
861 shardManager1.tell(new ActorInitialized(), mockShardActor1);
862 shardManager2.tell(new ActorInitialized(), mockShardActor2);
864 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
865 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
866 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2, mock(DataTree.class),
867 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
869 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
871 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class),
872 DataStoreVersions.CURRENT_VERSION), mockShardActor2);
874 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
876 shardManager1.underlyingActor().waitForMemberUp();
878 shardManager1.tell(new FindPrimary("default", true), getRef());
880 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
881 String path = found.getPrimaryPath();
882 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
884 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(
885 system1.actorSelection(mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION));
887 shardManager1.tell(MockClusterWrapper.createUnreachableMember("member-2",
888 "akka://cluster-test@127.0.0.1:2558"), getRef());
890 shardManager1.underlyingActor().waitForUnreachableMember();
892 shardManager1.tell(new FindPrimary("default", true), getRef());
894 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
896 assertNull("Expected primaryShardInfoCache entry removed",
897 primaryShardInfoCache.getIfPresent("default"));
899 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, mock(DataTree.class),
900 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
902 new RoleChangeNotification(memberId1, RaftState.Follower.name(), RaftState.Leader.name()),
905 shardManager1.tell(new FindPrimary("default", true), getRef());
907 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
908 String path1 = found1.getPrimaryPath();
909 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
914 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
919 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
920 new JavaTestKit(getSystem()) {
922 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
924 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
926 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
928 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
930 assertEquals("getShardName", "non-existent", notFound.getShardName());
936 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
937 new JavaTestKit(getSystem()) {
939 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
941 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
942 shardManager.tell(new ActorInitialized(), mockShardActor);
944 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
946 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
948 assertTrue("Found path contains " + found.getPath().path().toString(),
949 found.getPath().path().toString().contains("member-1-shard-default-config"));
955 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
956 new JavaTestKit(getSystem()) {
958 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
960 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
962 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
968 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
969 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
970 new JavaTestKit(getSystem()) {
972 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
974 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
976 // We're passing waitUntilInitialized = true to FindLocalShard
977 // so the response should be
978 // delayed until we send ActorInitialized.
979 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
980 new Timeout(5, TimeUnit.SECONDS));
982 shardManager.tell(new ActorInitialized(), mockShardActor);
984 Object resp = Await.result(future, duration("5 seconds"));
985 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
989 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
993 public void testOnRecoveryJournalIsCleaned() {
994 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
995 InMemoryJournal.addEntry(persistenceID, 1L, new SchemaContextModules(ImmutableSet.of("foo")));
996 InMemoryJournal.addEntry(persistenceID, 2L, new SchemaContextModules(ImmutableSet.of("bar")));
997 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
999 newTestShardManager();
1001 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
1003 // Journal entries up to the last one should've been deleted
1004 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
1005 synchronized (journal) {
1006 assertEquals("Journal size", 0, journal.size());
1011 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
1012 TestShardManager shardManager = newTestShardManager();
1014 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1015 shardManager.onReceiveCommand(new RoleChangeNotification(
1016 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
1018 verify(ready, never()).countDown();
1020 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
1021 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION));
1023 verify(ready, times(1)).countDown();
1027 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
1028 new JavaTestKit(getSystem()) {
1030 TestShardManager shardManager = newTestShardManager();
1032 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1033 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1035 verify(ready, never()).countDown();
1038 .onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1040 shardManager.onReceiveCommand(
1041 new ShardLeaderStateChanged(memberId, "member-2-shard-default-" + shardMrgIDSuffix,
1042 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION));
1044 verify(ready, times(1)).countDown();
1050 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
1051 new JavaTestKit(getSystem()) {
1053 TestShardManager shardManager = newTestShardManager();
1055 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1056 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1058 verify(ready, never()).countDown();
1060 shardManager.onReceiveCommand(
1061 new ShardLeaderStateChanged(memberId, "member-2-shard-default-" + shardMrgIDSuffix,
1062 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION));
1065 .onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1067 verify(ready, times(1)).countDown();
1073 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
1074 TestShardManager shardManager = newTestShardManager();
1076 shardManager.onReceiveCommand(new RoleChangeNotification(
1077 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
1079 verify(ready, never()).countDown();
1083 public void testByDefaultSyncStatusIsFalse() throws Exception {
1084 TestShardManager shardManager = newTestShardManager();
1086 assertEquals(false, shardManager.getMBean().getSyncStatus());
1090 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception {
1091 TestShardManager shardManager = newTestShardManager();
1093 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
1094 RaftState.Follower.name(), RaftState.Leader.name()));
1096 assertEquals(true, shardManager.getMBean().getSyncStatus());
1100 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception {
1101 TestShardManager shardManager = newTestShardManager();
1103 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1104 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1105 RaftState.Follower.name(), RaftState.Candidate.name()));
1107 assertEquals(false, shardManager.getMBean().getSyncStatus());
1109 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
1110 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
1113 assertEquals(false, shardManager.getMBean().getSyncStatus());
1117 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception {
1118 TestShardManager shardManager = newTestShardManager();
1120 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1121 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1122 RaftState.Candidate.name(), RaftState.Follower.name()));
1124 // Initially will be false
1125 assertEquals(false, shardManager.getMBean().getSyncStatus());
1127 // Send status true will make sync status true
1128 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1130 assertEquals(true, shardManager.getMBean().getSyncStatus());
1132 // Send status false will make sync status false
1133 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1135 assertEquals(false, shardManager.getMBean().getSyncStatus());
1140 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception {
1141 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
1142 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1144 public List<String> getMemberShardNames(MemberName memberName) {
1145 return Arrays.asList("default", "astronauts");
1149 // Initially will be false
1150 assertEquals(false, shardManager.getMBean().getSyncStatus());
1152 // Make default shard leader
1153 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1154 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1155 RaftState.Follower.name(), RaftState.Leader.name()));
1157 // default = Leader, astronauts is unknown so sync status remains false
1158 assertEquals(false, shardManager.getMBean().getSyncStatus());
1160 // Make astronauts shard leader as well
1161 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1162 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1163 RaftState.Follower.name(), RaftState.Leader.name()));
1165 // Now sync status should be true
1166 assertEquals(true, shardManager.getMBean().getSyncStatus());
1168 // Make astronauts a Follower
1169 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1170 RaftState.Leader.name(), RaftState.Follower.name()));
1172 // Sync status is not true
1173 assertEquals(false, shardManager.getMBean().getSyncStatus());
1175 // Make the astronauts follower sync status true
1176 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1178 // Sync status is now true
1179 assertEquals(true, shardManager.getMBean().getSyncStatus());
1181 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
1185 public void testOnReceiveSwitchShardBehavior() throws Exception {
1186 new JavaTestKit(getSystem()) {
1188 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1190 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1191 shardManager.tell(new ActorInitialized(), mockShardActor);
1193 shardManager.tell(new SwitchShardBehavior(mockShardName, RaftState.Leader, 1000), getRef());
1195 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor,
1196 SwitchBehavior.class);
1198 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1199 assertEquals(1000, switchBehavior.getNewTerm());
1204 private static List<MemberName> members(String... names) {
1205 return Arrays.asList(names).stream().map(MemberName::forName).collect(Collectors.toList());
1209 public void testOnCreateShard() {
1210 LOG.info("testOnCreateShard starting");
1211 new JavaTestKit(getSystem()) {
1213 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1215 ActorRef shardManager = actorFactory
1216 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1218 SchemaContext schemaContext = TestModel.createTestContext();
1219 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1221 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100)
1222 .persistent(false).build();
1223 Shard.Builder shardBuilder = Shard.builder();
1225 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1226 "foo", null, members("member-1", "member-5", "member-6"));
1227 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1229 expectMsgClass(duration("5 seconds"), Success.class);
1231 shardManager.tell(new FindLocalShard("foo", true), getRef());
1233 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1235 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1236 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig()
1237 .getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1238 assertEquals("peerMembers", Sets.newHashSet(
1239 ShardIdentifier.create("foo", MemberName.forName("member-5"), shardMrgIDSuffix).toString(),
1240 ShardIdentifier.create("foo", MemberName.forName("member-6"), shardMrgIDSuffix).toString()),
1241 shardBuilder.getPeerAddresses().keySet());
1242 assertEquals("ShardIdentifier", ShardIdentifier.create("foo", MEMBER_1, shardMrgIDSuffix),
1243 shardBuilder.getId());
1244 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1246 // Send CreateShard with same name - should return Success with
1249 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1251 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1252 assertNotNull("Success status is null", success.status());
1256 LOG.info("testOnCreateShard ending");
1260 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1261 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
1262 new JavaTestKit(getSystem()) {
1264 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1266 ActorRef shardManager = actorFactory
1267 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1269 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1271 Shard.Builder shardBuilder = Shard.builder();
1272 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1273 "foo", null, members("member-5", "member-6"));
1275 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1276 expectMsgClass(duration("5 seconds"), Success.class);
1278 shardManager.tell(new FindLocalShard("foo", true), getRef());
1279 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1281 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1282 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(), shardBuilder
1283 .getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1287 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
1291 public void testOnCreateShardWithNoInitialSchemaContext() {
1292 LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
1293 new JavaTestKit(getSystem()) {
1295 ActorRef shardManager = actorFactory
1296 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1298 Shard.Builder shardBuilder = Shard.builder();
1300 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1301 "foo", null, members("member-1"));
1302 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1304 expectMsgClass(duration("5 seconds"), Success.class);
1306 SchemaContext schemaContext = TestModel.createTestContext();
1307 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1309 shardManager.tell(new FindLocalShard("foo", true), getRef());
1311 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1313 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1314 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1318 LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
1322 public void testGetSnapshot() throws Exception {
1323 LOG.info("testGetSnapshot starting");
1324 JavaTestKit kit = new JavaTestKit(getSystem());
1326 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1327 .put("shard1", Arrays.asList("member-1")).put("shard2", Arrays.asList("member-1"))
1328 .put("astronauts", Collections.<String>emptyList()).build());
1330 TestActorRef<TestShardManager> shardManager = actorFactory
1331 .createTestActor(newShardMgrProps(mockConfig).withDispatcher(Dispatchers.DefaultDispatcherId()));
1333 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1334 Failure failure = kit.expectMsgClass(Failure.class);
1335 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1337 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1339 waitForShardInitialized(shardManager, "shard1", kit);
1340 waitForShardInitialized(shardManager, "shard2", kit);
1342 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1344 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1346 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1347 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1349 Function<ShardSnapshot, String> shardNameTransformer = s -> s.getName();
1351 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1352 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1354 // Add a new replica
1356 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1358 TestShardManager shardManagerInstance = shardManager.underlyingActor();
1359 shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1361 shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
1362 mockShardLeaderKit.expectMsgClass(AddServer.class);
1363 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
1364 kit.expectMsgClass(Status.Success.class);
1365 waitForShardInitialized(shardManager, "astronauts", kit);
1367 // Send another GetSnapshot and verify
1369 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1370 datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1372 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
1373 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1375 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1376 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1377 ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
1378 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1379 Sets.newHashSet(snapshot.getShardList()));
1381 LOG.info("testGetSnapshot ending");
1385 public void testRestoreFromSnapshot() throws Exception {
1386 LOG.info("testRestoreFromSnapshot starting");
1388 datastoreContextBuilder.shardInitializationTimeout(3, TimeUnit.SECONDS);
1390 JavaTestKit kit = new JavaTestKit(getSystem());
1392 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1393 .put("shard1", Collections.<String>emptyList()).put("shard2", Collections.<String>emptyList())
1394 .put("astronauts", Collections.<String>emptyList()).build());
1396 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
1397 DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
1398 SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
1399 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig)
1400 .restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
1402 shardManager.underlyingActor().waitForRecoveryComplete();
1404 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1406 waitForShardInitialized(shardManager, "shard1", kit);
1407 waitForShardInitialized(shardManager, "shard2", kit);
1408 waitForShardInitialized(shardManager, "astronauts", kit);
1410 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1412 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1414 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1416 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1417 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1418 snapshot = SerializationUtils.deserialize(snapshotBytes);
1419 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1420 Sets.newHashSet(snapshot.getShardList()));
1422 LOG.info("testRestoreFromSnapshot ending");
1426 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1427 new JavaTestKit(getSystem()) {
1429 ActorRef shardManager = actorFactory
1430 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1432 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1433 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1435 assertEquals("Failure obtained", true, resp.cause() instanceof IllegalArgumentException);
1441 public void testAddShardReplica() throws Exception {
1442 LOG.info("testAddShardReplica starting");
1443 MockConfiguration mockConfig = new MockConfiguration(
1444 ImmutableMap.<String, List<String>>builder().put("default", Arrays.asList("member-1", "member-2"))
1445 .put("astronauts", Arrays.asList("member-2")).build());
1447 final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1448 datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
1450 // Create an ActorSystem ShardManager actor for member-1.
1451 final ActorSystem system1 = newActorSystem("Member1");
1452 Cluster.get(system1).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
1453 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1454 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1455 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor)
1456 .cluster(new ClusterWrapperImpl(system1)).props()
1457 .withDispatcher(Dispatchers.DefaultDispatcherId()),
1460 // Create an ActorSystem ShardManager actor for member-2.
1461 final ActorSystem system2 = newActorSystem("Member2");
1462 Cluster.get(system2).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
1464 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1465 String name = ShardIdentifier.create("astronauts", MEMBER_2, "config").toString();
1466 final TestActorRef<MockRespondActor> mockShardLeaderActor = TestActorRef.create(system2,
1467 Props.create(MockRespondActor.class, AddServer.class,
1468 new AddServerReply(ServerChangeStatus.OK, memberId2))
1469 .withDispatcher(Dispatchers.DefaultDispatcherId()),
1471 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1472 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor)
1473 .cluster(new ClusterWrapperImpl(system2)).props()
1474 .withDispatcher(Dispatchers.DefaultDispatcherId()),
1477 new JavaTestKit(system1) {
1479 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1480 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1482 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1484 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1485 leaderShardManager.tell(
1486 new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class), leaderVersion),
1487 mockShardLeaderActor);
1488 leaderShardManager.tell(
1489 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
1490 mockShardLeaderActor);
1492 newReplicaShardManager.underlyingActor().waitForMemberUp();
1493 leaderShardManager.underlyingActor().waitForMemberUp();
1495 // Have a dummy snapshot to be overwritten by the new data
1497 String[] restoredShards = { "default", "people" };
1498 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1499 InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
1500 Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
1502 InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
1503 InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
1505 // construct a mock response message
1506 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1507 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1509 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1510 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1511 expectMsgClass(duration("5 seconds"), Status.Success.class);
1513 InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
1514 InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
1515 List<ShardManagerSnapshot> persistedSnapshots = InMemorySnapshotStore.getSnapshots(shardManagerID,
1516 ShardManagerSnapshot.class);
1517 assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
1518 ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
1519 assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
1520 Sets.newHashSet(shardManagerSnapshot.getShardList()));
1523 LOG.info("testAddShardReplica ending");
1527 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1528 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
1529 new JavaTestKit(getSystem()) {
1531 TestActorRef<TestShardManager> shardManager = actorFactory
1532 .createTestActor(newPropsShardMgrWithMockShardActor(), shardMgrID);
1534 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1535 shardManager.tell(new ActorInitialized(), mockShardActor);
1537 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1538 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1539 ActorRef leaderShardActor = shardManager.underlyingActor().getContext()
1540 .actorOf(Props.create(MockRespondActor.class, AddServer.class, addServerReply), leaderId);
1542 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1544 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1546 new RoleChangeNotification(newReplicaId, RaftState.Candidate.name(), RaftState.Follower.name()),
1549 new ShardLeaderStateChanged(newReplicaId, leaderId, DataStoreVersions.CURRENT_VERSION),
1552 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1554 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1556 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1557 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1559 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1560 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1562 // Send message again to verify previous in progress state is
1565 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1566 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1567 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1569 // Send message again with an AddServer timeout to verify the
1570 // pre-existing shard actor isn't terminated.
1573 newDatastoreContextFactory(
1574 datastoreContextBuilder.shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()),
1576 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1577 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1578 expectMsgClass(duration("5 seconds"), Failure.class);
1580 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1581 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1585 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
1589 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1590 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
1591 new JavaTestKit(getSystem()) {
1593 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1594 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1596 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1597 shardManager.tell(new ActorInitialized(), mockShardActor);
1598 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mock(DataTree.class),
1599 DataStoreVersions.CURRENT_VERSION), getRef());
1601 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
1604 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1605 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1606 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1608 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1609 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1613 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
1617 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1618 LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
1619 new JavaTestKit(getSystem()) {
1621 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1623 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1624 .put("astronauts", Arrays.asList("member-2")).build());
1626 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1627 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1628 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1629 shardManager.underlyingActor()
1630 .setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1632 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1634 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1635 terminateWatcher.watch(mockNewReplicaShardActor);
1637 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1639 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1640 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1641 addServerMsg.getNewServerId());
1642 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1644 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1645 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1647 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1648 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1650 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1652 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1653 mockShardLeaderKit.expectMsgClass(AddServer.class);
1654 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1655 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1656 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1660 LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
1664 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1665 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1666 AddServer.class, new AddShardReplica("astronauts"));
1670 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1671 LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
1672 datastoreContextBuilder.shardInitializationTimeout(100, TimeUnit.MILLISECONDS);
1673 new JavaTestKit(getSystem()) {
1675 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1676 .put("astronauts", Arrays.asList("member-2")).build());
1678 final ActorRef newReplicaShardManager = actorFactory
1679 .createActor(newTestShardMgrBuilder(mockConfig).shardActor(mockShardActor).props(), shardMgrID);
1681 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1682 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2",
1683 AddressFromURIString.parse("akka://non-existent@127.0.0.1:5").toString());
1685 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1686 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1687 assertEquals("Failure obtained", true, resp.cause() instanceof RuntimeException);
1691 LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
1695 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1696 new JavaTestKit(getSystem()) {
1698 ActorRef shardManager = actorFactory
1699 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1701 shardManager.tell(new RemoveShardReplica("model-inventory", MEMBER_1), getRef());
1702 Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
1703 assertEquals("Failure obtained", true, resp.cause() instanceof PrimaryNotFoundException);
1712 public void testRemoveShardReplicaLocal() throws Exception {
1713 new JavaTestKit(getSystem()) {
1715 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1717 final TestActorRef<MockRespondActor> respondActor = actorFactory
1718 .createTestActor(Props.create(MockRespondActor.class, RemoveServer.class,
1719 new RemoveServerReply(ServerChangeStatus.OK, null)), memberId);
1721 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
1723 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1724 shardManager.tell(new ActorInitialized(), respondActor);
1725 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mock(DataTree.class),
1726 DataStoreVersions.CURRENT_VERSION), getRef());
1728 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
1731 shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, MEMBER_1), getRef());
1732 final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor,
1733 RemoveServer.class);
1734 assertEquals(ShardIdentifier.create("default", MEMBER_1, shardMrgIDSuffix).toString(),
1735 removeServer.getServerId());
1736 expectMsgClass(duration("5 seconds"), Success.class);
1742 public void testRemoveShardReplicaRemote() throws Exception {
1743 MockConfiguration mockConfig = new MockConfiguration(
1744 ImmutableMap.<String, List<String>>builder().put("default", Arrays.asList("member-1", "member-2"))
1745 .put("astronauts", Arrays.asList("member-1")).build());
1747 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1749 // Create an ActorSystem ShardManager actor for member-1.
1750 final ActorSystem system1 = newActorSystem("Member1");
1751 Cluster.get(system1).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
1752 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1754 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1755 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
1756 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1759 // Create an ActorSystem ShardManager actor for member-2.
1760 final ActorSystem system2 = newActorSystem("Member2");
1761 Cluster.get(system2).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
1763 String name = ShardIdentifier.create("default", MEMBER_2, shardMrgIDSuffix).toString();
1764 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
1765 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1766 TestActorRef.create(system2, Props.create(MockRespondActor.class, RemoveServer.class,
1767 new RemoveServerReply(ServerChangeStatus.OK, memberId2)), name);
1769 LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
1771 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1772 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
1773 new ClusterWrapperImpl(system2)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1776 // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
1777 // akka://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
1778 // However when a shard manager has a local shard which is a follower and a leader that is remote it will
1779 // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
1781 // akka://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
1782 // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
1783 // with the address of an actor which does not exist, therefore any message sent to that actor would go to
1785 // To work around this problem we create a ForwardingActor with the right address and pass to it the
1786 // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
1787 // thing works as expected
1788 final ActorRef actorRef = leaderShardManager.underlyingActor().context()
1789 .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor),
1790 "member-2-shard-default-" + shardMrgIDSuffix);
1792 LOG.error("Forwarding actor : {}", actorRef);
1794 new JavaTestKit(system1) {
1796 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1797 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1799 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1800 newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1802 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1803 leaderShardManager.tell(
1804 new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class), leaderVersion),
1805 mockShardLeaderActor);
1806 leaderShardManager.tell(
1807 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
1808 mockShardLeaderActor);
1810 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
1811 newReplicaShardManager.tell(
1812 new ShardLeaderStateChanged(memberId1, memberId2, mock(DataTree.class), leaderVersion),
1814 newReplicaShardManager.tell(
1815 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
1818 newReplicaShardManager.underlyingActor().waitForMemberUp();
1819 leaderShardManager.underlyingActor().waitForMemberUp();
1821 // construct a mock response message
1822 newReplicaShardManager.tell(new RemoveShardReplica("default", MEMBER_1), getRef());
1823 RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1824 RemoveServer.class);
1825 String removeServerId = ShardIdentifier.create("default", MEMBER_1, shardMrgIDSuffix).toString();
1826 assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
1827 expectMsgClass(duration("5 seconds"), Status.Success.class);
1833 public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
1834 testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", MEMBER_2),
1835 RemoveServer.class, new RemoveShardReplica("astronauts", MEMBER_3));
1839 public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
1840 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1841 AddServer.class, new RemoveShardReplica("astronauts", MEMBER_2));
1845 public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
1846 final Class<?> firstForwardedServerChangeClass,
1847 final Object secondServerChange) throws Exception {
1848 new JavaTestKit(getSystem()) {
1850 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1851 final JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1853 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1854 .put(shardName, Arrays.asList("member-2")).build());
1856 final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1857 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor)
1858 .cluster(new MockClusterWrapper()).props()
1859 .withDispatcher(Dispatchers.DefaultDispatcherId()),
1862 shardManager.underlyingActor()
1863 .setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1865 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1867 shardManager.tell(firstServerChange, getRef());
1869 mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
1871 shardManager.tell(secondServerChange, secondRequestKit.getRef());
1873 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1879 public void testServerRemovedShardActorNotRunning() throws Exception {
1880 LOG.info("testServerRemovedShardActorNotRunning starting");
1881 new JavaTestKit(getSystem()) {
1883 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1884 .put("default", Arrays.asList("member-1", "member-2"))
1885 .put("astronauts", Arrays.asList("member-2"))
1886 .put("people", Arrays.asList("member-1", "member-2")).build());
1888 TestActorRef<TestShardManager> shardManager = actorFactory
1889 .createTestActor(newShardMgrProps(mockConfig));
1891 shardManager.underlyingActor().waitForRecoveryComplete();
1892 shardManager.tell(new FindLocalShard("people", false), getRef());
1893 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1895 shardManager.tell(new FindLocalShard("default", false), getRef());
1896 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1898 // Removed the default shard replica from member-1
1899 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1900 ShardIdentifier shardId = builder.shardName("default").memberName(MEMBER_1).type(shardMrgIDSuffix)
1902 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1904 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1908 LOG.info("testServerRemovedShardActorNotRunning ending");
1912 public void testServerRemovedShardActorRunning() throws Exception {
1913 LOG.info("testServerRemovedShardActorRunning starting");
1914 new JavaTestKit(getSystem()) {
1916 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1917 .put("default", Arrays.asList("member-1", "member-2"))
1918 .put("astronauts", Arrays.asList("member-2"))
1919 .put("people", Arrays.asList("member-1", "member-2")).build());
1921 String shardId = ShardIdentifier.create("default", MEMBER_1, shardMrgIDSuffix).toString();
1922 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(MessageCollectorActor.props(),
1925 TestActorRef<TestShardManager> shardManager = actorFactory
1926 .createTestActor(newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1928 shardManager.underlyingActor().waitForRecoveryComplete();
1930 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1931 shardManager.tell(new ActorInitialized(), shard);
1933 waitForShardInitialized(shardManager, "people", this);
1934 waitForShardInitialized(shardManager, "default", this);
1936 // Removed the default shard replica from member-1
1937 shardManager.tell(new ServerRemoved(shardId), getRef());
1939 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1941 MessageCollectorActor.expectFirstMatching(shard, Shutdown.class);
1945 LOG.info("testServerRemovedShardActorRunning ending");
1949 public void testShardPersistenceWithRestoredData() throws Exception {
1950 LOG.info("testShardPersistenceWithRestoredData starting");
1951 new JavaTestKit(getSystem()) {
1953 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1954 .put("default", Arrays.asList("member-1", "member-2"))
1955 .put("astronauts", Arrays.asList("member-2"))
1956 .put("people", Arrays.asList("member-1", "member-2")).build());
1957 String[] restoredShards = { "default", "astronauts" };
1958 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1959 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1961 // create shardManager to come up with restored data
1962 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory
1963 .createTestActor(newShardMgrProps(mockConfig));
1965 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1967 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1968 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1969 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1971 // Verify a local shard is created for the restored shards,
1972 // although we expect a NotInitializedException for the shards
1973 // as the actor initialization
1974 // message is not sent for them
1975 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1976 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1978 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1979 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1983 LOG.info("testShardPersistenceWithRestoredData ending");
1987 public void testShutDown() throws Exception {
1988 LOG.info("testShutDown starting");
1989 new JavaTestKit(getSystem()) {
1991 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1992 .put("shard1", Arrays.asList("member-1")).put("shard2", Arrays.asList("member-1")).build());
1994 String shardId1 = ShardIdentifier.create("shard1", MEMBER_1, shardMrgIDSuffix).toString();
1995 TestActorRef<MessageCollectorActor> shard1 = actorFactory.createTestActor(
1996 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId1);
1998 String shardId2 = ShardIdentifier.create("shard2", MEMBER_1, shardMrgIDSuffix).toString();
1999 TestActorRef<MessageCollectorActor> shard2 = actorFactory.createTestActor(
2000 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId2);
2002 TestActorRef<TestShardManager> shardManager = actorFactory
2003 .createTestActor(newTestShardMgrBuilder(mockConfig).addShardActor("shard1", shard1)
2004 .addShardActor("shard2", shard2).props()
2005 .withDispatcher(Dispatchers.DefaultDispatcherId()));
2007 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
2008 shardManager.tell(new ActorInitialized(), shard1);
2009 shardManager.tell(new ActorInitialized(), shard2);
2011 FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
2012 Future<Boolean> stopFuture = Patterns.gracefulStop(shardManager, duration, Shutdown.INSTANCE);
2014 MessageCollectorActor.expectFirstMatching(shard1, Shutdown.class);
2015 MessageCollectorActor.expectFirstMatching(shard2, Shutdown.class);
2018 Await.ready(stopFuture, FiniteDuration.create(500, TimeUnit.MILLISECONDS));
2019 fail("ShardManager actor stopped without waiting for the Shards to be stopped");
2020 } catch (TimeoutException e) {
2024 actorFactory.killActor(shard1, this);
2025 actorFactory.killActor(shard2, this);
2027 Boolean stopped = Await.result(stopFuture, duration);
2028 assertEquals("Stopped", Boolean.TRUE, stopped);
2032 LOG.info("testShutDown ending");
2036 public void testChangeServersVotingStatus() throws Exception {
2037 new JavaTestKit(getSystem()) {
2039 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
2041 TestActorRef<MockRespondActor> respondActor = actorFactory
2042 .createTestActor(Props.create(MockRespondActor.class, ChangeServersVotingStatus.class,
2043 new ServerChangeReply(ServerChangeStatus.OK, null)), memberId);
2045 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
2047 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
2048 shardManager.tell(new ActorInitialized(), respondActor);
2049 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mock(DataTree.class),
2050 DataStoreVersions.CURRENT_VERSION), getRef());
2052 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
2056 new ChangeShardMembersVotingStatus("default", ImmutableMap.of("member-2", Boolean.TRUE)),
2059 ChangeServersVotingStatus actualChangeStatusMsg = MessageCollectorActor
2060 .expectFirstMatching(respondActor, ChangeServersVotingStatus.class);
2061 assertEquals("ChangeServersVotingStatus map", actualChangeStatusMsg.getServerVotingStatusMap(),
2062 ImmutableMap.of(ShardIdentifier
2063 .create("default", MemberName.forName("member-2"), shardMrgIDSuffix).toString(),
2066 expectMsgClass(duration("5 seconds"), Success.class);
2072 public void testChangeServersVotingStatusWithNoLeader() throws Exception {
2073 new JavaTestKit(getSystem()) {
2075 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
2077 TestActorRef<MockRespondActor> respondActor = actorFactory
2078 .createTestActor(Props.create(MockRespondActor.class, ChangeServersVotingStatus.class,
2079 new ServerChangeReply(ServerChangeStatus.NO_LEADER, null)), memberId);
2081 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
2083 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
2084 shardManager.tell(new ActorInitialized(), respondActor);
2085 shardManager.tell(new RoleChangeNotification(memberId, null, RaftState.Follower.name()), respondActor);
2088 new ChangeShardMembersVotingStatus("default", ImmutableMap.of("member-2", Boolean.TRUE)),
2091 MessageCollectorActor.expectFirstMatching(respondActor, ChangeServersVotingStatus.class);
2093 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
2094 assertEquals("Failure resposnse", true, resp.cause() instanceof NoShardLeaderException);
2099 public static class TestShardManager extends ShardManager {
2100 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
2101 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
2102 private ShardManagerSnapshot snapshot;
2103 private final Map<String, ActorRef> shardActors;
2104 private final ActorRef shardActor;
2105 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
2106 private CountDownLatch memberUpReceived = new CountDownLatch(1);
2107 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
2108 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
2109 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
2110 private volatile MessageInterceptor messageInterceptor;
2112 private TestShardManager(Builder builder) {
2114 shardActor = builder.shardActor;
2115 shardActors = builder.shardActors;
2119 protected void handleRecover(Object message) throws Exception {
2121 super.handleRecover(message);
2123 if (message instanceof RecoveryCompleted) {
2124 recoveryComplete.countDown();
2129 private void countDownIfOther(final Member member, CountDownLatch latch) {
2130 if (!getCluster().getCurrentMemberName().equals(memberToName(member))) {
2136 public void handleCommand(Object message) throws Exception {
2138 if (messageInterceptor != null && messageInterceptor.canIntercept(message)) {
2139 getSender().tell(messageInterceptor.apply(message), getSelf());
2141 super.handleCommand(message);
2144 if (message instanceof FindPrimary) {
2145 findPrimaryMessageReceived.countDown();
2146 } else if (message instanceof ClusterEvent.MemberUp) {
2147 countDownIfOther(((ClusterEvent.MemberUp) message).member(), memberUpReceived);
2148 } else if (message instanceof ClusterEvent.MemberRemoved) {
2149 countDownIfOther(((ClusterEvent.MemberRemoved) message).member(), memberRemovedReceived);
2150 } else if (message instanceof ClusterEvent.UnreachableMember) {
2151 countDownIfOther(((ClusterEvent.UnreachableMember) message).member(), memberUnreachableReceived);
2152 } else if (message instanceof ClusterEvent.ReachableMember) {
2153 countDownIfOther(((ClusterEvent.ReachableMember) message).member(), memberReachableReceived);
2158 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
2159 this.messageInterceptor = messageInterceptor;
2162 void waitForRecoveryComplete() {
2163 assertEquals("Recovery complete", true,
2164 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
2167 public void waitForMemberUp() {
2168 assertEquals("MemberUp received", true,
2169 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
2170 memberUpReceived = new CountDownLatch(1);
2173 void waitForMemberRemoved() {
2174 assertEquals("MemberRemoved received", true,
2175 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
2176 memberRemovedReceived = new CountDownLatch(1);
2179 void waitForUnreachableMember() {
2180 assertEquals("UnreachableMember received", true,
2181 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
2183 memberUnreachableReceived = new CountDownLatch(1);
2186 void waitForReachableMember() {
2187 assertEquals("ReachableMember received", true,
2188 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
2189 memberReachableReceived = new CountDownLatch(1);
2192 void verifyFindPrimary() {
2193 assertEquals("FindPrimary received", true,
2194 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
2195 findPrimaryMessageReceived = new CountDownLatch(1);
2198 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
2199 return new Builder(datastoreContextBuilder);
2202 public static class Builder extends AbstractGenericCreator<Builder, TestShardManager> {
2203 private ActorRef shardActor;
2204 private final Map<String, ActorRef> shardActors = new HashMap<>();
2206 Builder(DatastoreContext.Builder datastoreContextBuilder) {
2207 super(TestShardManager.class);
2208 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
2211 Builder shardActor(ActorRef newShardActor) {
2212 this.shardActor = newShardActor;
2216 Builder addShardActor(String shardName, ActorRef actorRef) {
2217 shardActors.put(shardName, actorRef);
2223 public void saveSnapshot(Object obj) {
2224 snapshot = (ShardManagerSnapshot) obj;
2225 snapshotPersist.countDown();
2226 super.saveSnapshot(obj);
2229 void verifySnapshotPersisted(Set<String> shardList) {
2230 assertEquals("saveSnapshot invoked", true,
2231 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
2232 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
2236 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
2237 if (shardActors.get(info.getShardName()) != null) {
2238 return shardActors.get(info.getShardName());
2241 if (shardActor != null) {
2245 return super.newShardActor(schemaContext, info);
2249 private abstract static class AbstractGenericCreator<T extends AbstractGenericCreator<T, ?>, C extends ShardManager>
2250 extends AbstractShardManagerCreator<T> {
2251 private final Class<C> shardManagerClass;
2253 AbstractGenericCreator(Class<C> shardManagerClass) {
2254 this.shardManagerClass = shardManagerClass;
2255 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).waitTillReadyCountDownLatch(ready)
2256 .primaryShardInfoCache(new PrimaryShardInfoFutureCache());
2260 public Props props() {
2262 return Props.create(shardManagerClass, this);
2266 private static class GenericCreator<C extends ShardManager> extends AbstractGenericCreator<GenericCreator<C>, C> {
2267 GenericCreator(Class<C> shardManagerClass) {
2268 super(shardManagerClass);
2272 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
2273 private static final long serialVersionUID = 1L;
2274 private final Creator<ShardManager> delegate;
2276 DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
2277 this.delegate = delegate;
2281 public ShardManager create() throws Exception {
2282 return delegate.create();
2286 interface MessageInterceptor extends Function<Object, Object> {
2287 boolean canIntercept(Object message);
2290 private static MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
2291 return new MessageInterceptor() {
2293 public Object apply(Object message) {
2294 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
2298 public boolean canIntercept(Object message) {
2299 return message instanceof FindPrimary;
2304 private static class MockRespondActor extends MessageCollectorActor {
2305 static final String CLEAR_RESPONSE = "clear-response";
2307 private Object responseMsg;
2308 private final Class<?> requestClass;
2310 @SuppressWarnings("unused")
2311 MockRespondActor(Class<?> requestClass, Object responseMsg) {
2312 this.requestClass = requestClass;
2313 this.responseMsg = responseMsg;
2317 public void onReceive(Object message) throws Exception {
2318 if (message.equals(CLEAR_RESPONSE)) {
2321 super.onReceive(message);
2322 if (message.getClass().equals(requestClass) && responseMsg != null) {
2323 getSender().tell(responseMsg, getSelf());