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;
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.mockito.Mockito.mock;
17 import static org.mockito.Mockito.never;
18 import static org.mockito.Mockito.times;
19 import static org.mockito.Mockito.verify;
20 import akka.actor.ActorRef;
21 import akka.actor.ActorSystem;
22 import akka.actor.AddressFromURIString;
23 import akka.actor.Props;
24 import akka.actor.Status;
25 import akka.actor.Status.Failure;
26 import akka.actor.Status.Success;
27 import akka.actor.Terminated;
28 import akka.cluster.Cluster;
29 import akka.cluster.ClusterEvent;
30 import akka.dispatch.Dispatchers;
31 import akka.japi.Creator;
32 import akka.pattern.Patterns;
33 import akka.persistence.RecoveryCompleted;
34 import akka.serialization.Serialization;
35 import akka.testkit.JavaTestKit;
36 import akka.testkit.TestActorRef;
37 import akka.util.Timeout;
38 import com.google.common.base.Function;
39 import com.google.common.base.Optional;
40 import com.google.common.collect.ImmutableMap;
41 import com.google.common.collect.ImmutableSet;
42 import com.google.common.collect.Lists;
43 import com.google.common.collect.Sets;
44 import com.google.common.util.concurrent.Uninterruptibles;
45 import com.typesafe.config.ConfigFactory;
47 import java.util.AbstractMap;
48 import java.util.ArrayList;
49 import java.util.Arrays;
50 import java.util.Collection;
51 import java.util.Collections;
52 import java.util.HashMap;
53 import java.util.List;
55 import java.util.Map.Entry;
57 import java.util.concurrent.CountDownLatch;
58 import java.util.concurrent.TimeUnit;
59 import java.util.concurrent.TimeoutException;
60 import org.junit.After;
61 import org.junit.Before;
62 import org.junit.Test;
63 import org.mockito.Mock;
64 import org.mockito.Mockito;
65 import org.mockito.MockitoAnnotations;
66 import org.opendaylight.controller.cluster.datastore.config.Configuration;
67 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
68 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
69 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
70 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
71 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
72 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
73 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
74 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
75 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
76 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
77 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
78 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
79 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
80 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
81 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
82 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
83 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
84 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
85 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
86 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
87 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
88 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
89 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
90 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
91 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
92 import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
93 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
94 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
95 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
96 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
97 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
98 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
99 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
100 import org.opendaylight.controller.cluster.raft.RaftState;
101 import org.opendaylight.controller.cluster.raft.TestActorFactory;
102 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
103 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
104 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
105 import org.opendaylight.controller.cluster.raft.messages.AddServer;
106 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
107 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
108 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
109 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
110 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
111 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
112 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
113 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
114 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
115 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
116 import scala.concurrent.Await;
117 import scala.concurrent.Future;
118 import scala.concurrent.duration.FiniteDuration;
120 public class ShardManagerTest extends AbstractActorTest {
121 private static int ID_COUNTER = 1;
123 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
124 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
127 private static CountDownLatch ready;
129 private static TestActorRef<MessageCollectorActor> mockShardActor;
131 private static String mockShardName;
133 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
134 dataStoreType(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
135 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
137 private final Collection<ActorSystem> actorSystems = new ArrayList<>();
139 private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
142 public void setUp() {
143 MockitoAnnotations.initMocks(this);
145 InMemoryJournal.clear();
146 InMemorySnapshotStore.clear();
148 if(mockShardActor == null) {
149 mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
150 mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), mockShardName);
153 mockShardActor.underlyingActor().clear();
157 public void tearDown() {
158 InMemoryJournal.clear();
159 InMemorySnapshotStore.clear();
161 for(ActorSystem system: actorSystems) {
162 JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
165 actorFactory.close();
168 private ActorSystem newActorSystem(String config) {
169 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
170 actorSystems.add(system);
174 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
175 String name = new ShardIdentifier(shardName, memberName,"config").toString();
176 if(system == getSystem()) {
177 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
180 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
183 private Props newShardMgrProps() {
184 return newShardMgrProps(new MockConfiguration());
187 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
188 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
189 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
190 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
194 private TestShardManager.Builder newTestShardMgrBuilder() {
195 return TestShardManager.builder(datastoreContextBuilder);
198 private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
199 return TestShardManager.builder(datastoreContextBuilder).configuration(config);
202 private Props newShardMgrProps(Configuration config) {
203 return newTestShardMgrBuilder(config).props();
206 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
207 return TestShardManager.builder(datastoreContextBuilder).shardActor(mockShardActor);
210 private Props newPropsShardMgrWithMockShardActor() {
211 return newTestShardMgrBuilderWithMockShardActor().props();
214 private TestShardManager newTestShardManager() {
215 return newTestShardManager(newShardMgrProps());
218 private TestShardManager newTestShardManager(Props props) {
219 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
220 TestShardManager shardManager = shardManagerActor.underlyingActor();
221 shardManager.waitForRecoveryComplete();
226 public void testPerShardDatastoreContext() throws Exception {
227 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
228 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
230 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
231 shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
233 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
234 shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
236 final MockConfiguration mockConfig = new MockConfiguration() {
238 public Collection<String> getMemberShardNames(String memberName) {
239 return Arrays.asList("default", "topology");
243 public Collection<String> getMembersFromShardName(String shardName) {
244 return Arrays.asList("member-1");
248 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
249 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
250 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
251 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
253 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
254 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
255 shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
256 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
258 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
259 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
260 class LocalShardManager extends ShardManager {
261 public LocalShardManager(AbstractBuilder<?> builder) {
266 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
267 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
270 ref = entry.getKey();
271 entry.setValue(info.getDatastoreContext());
274 newShardActorLatch.countDown();
279 final Creator<ShardManager> creator = new Creator<ShardManager>() {
280 private static final long serialVersionUID = 1L;
282 public ShardManager create() throws Exception {
283 return new LocalShardManager(new GenericBuilder<LocalShardManager>(LocalShardManager.class).
284 datastoreContextFactory(mockFactory).primaryShardInfoCache(primaryShardInfoCache).
285 configuration(mockConfig));
289 JavaTestKit kit = new JavaTestKit(getSystem());
291 final ActorRef shardManager = actorFactory.createActor(Props.create(
292 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
294 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
296 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
297 assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
298 getShardElectionTimeoutFactor());
299 assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
300 getShardElectionTimeoutFactor());
302 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
303 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
304 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
305 shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
307 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
308 shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
310 shardManager.tell(newMockFactory, kit.getRef());
312 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
313 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
315 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
316 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
320 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
321 new JavaTestKit(getSystem()) {{
322 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
324 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
326 shardManager.tell(new FindPrimary("non-existent", false), getRef());
328 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
333 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
334 new JavaTestKit(getSystem()) {{
335 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
337 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
339 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
340 shardManager.tell(new ActorInitialized(), mockShardActor);
342 DataTree mockDataTree = mock(DataTree.class);
343 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
344 DataStoreVersions.CURRENT_VERSION), getRef());
346 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
347 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
348 RaftState.Leader.name())), mockShardActor);
350 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
352 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
353 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
354 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
355 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
360 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
361 new JavaTestKit(getSystem()) {{
362 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
364 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
365 shardManager.tell(new ActorInitialized(), mockShardActor);
367 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
368 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
369 shardManager.tell(new RoleChangeNotification(memberId1,
370 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
371 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
373 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
375 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
380 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
381 new JavaTestKit(getSystem()) {{
382 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
384 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
385 shardManager.tell(new ActorInitialized(), mockShardActor);
387 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
388 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
390 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
391 shardManager.tell(new RoleChangeNotification(memberId1,
392 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
393 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
394 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
395 leaderVersion), mockShardActor);
397 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
399 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
400 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
401 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
402 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
407 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
408 new JavaTestKit(getSystem()) {{
409 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
411 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
413 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
418 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
419 new JavaTestKit(getSystem()) {{
420 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
422 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
423 shardManager.tell(new ActorInitialized(), mockShardActor);
425 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
427 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
432 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
433 new JavaTestKit(getSystem()) {{
434 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
436 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
437 shardManager.tell(new ActorInitialized(), mockShardActor);
439 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
440 shardManager.tell(new RoleChangeNotification(memberId,
441 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
443 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
445 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
447 DataTree mockDataTree = mock(DataTree.class);
448 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
449 DataStoreVersions.CURRENT_VERSION), mockShardActor);
451 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
453 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
454 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
455 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
456 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
461 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
462 new JavaTestKit(getSystem()) {{
463 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
465 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
467 // We're passing waitUntilInitialized = true to FindPrimary so the response should be
468 // delayed until we send ActorInitialized and RoleChangeNotification.
469 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
471 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
473 shardManager.tell(new ActorInitialized(), mockShardActor);
475 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
477 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
478 shardManager.tell(new RoleChangeNotification(memberId,
479 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
481 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
483 DataTree mockDataTree = mock(DataTree.class);
484 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
485 DataStoreVersions.CURRENT_VERSION), mockShardActor);
487 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
488 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
489 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
490 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
492 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
497 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
498 new JavaTestKit(getSystem()) {{
499 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
501 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
503 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
505 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
507 shardManager.tell(new ActorInitialized(), mockShardActor);
509 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
514 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
515 new JavaTestKit(getSystem()) {{
516 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
518 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
519 shardManager.tell(new ActorInitialized(), mockShardActor);
520 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
521 null, RaftState.Candidate.name()), mockShardActor);
523 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
525 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
530 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
531 new JavaTestKit(getSystem()) {{
532 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
534 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
535 shardManager.tell(new ActorInitialized(), mockShardActor);
536 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
537 null, RaftState.IsolatedLeader.name()), mockShardActor);
539 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
541 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
546 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
547 new JavaTestKit(getSystem()) {{
548 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
550 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
551 shardManager.tell(new ActorInitialized(), mockShardActor);
553 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
555 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
560 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
561 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
563 // Create an ActorSystem ShardManager actor for member-1.
565 final ActorSystem system1 = newActorSystem("Member1");
566 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
568 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
569 newTestShardMgrBuilderWithMockShardActor().cluster(
570 new ClusterWrapperImpl(system1)).props(), shardManagerID);
572 // Create an ActorSystem ShardManager actor for member-2.
574 final ActorSystem system2 = newActorSystem("Member2");
576 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
578 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
580 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
581 put("default", Arrays.asList("member-1", "member-2")).
582 put("astronauts", Arrays.asList("member-2")).build());
584 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
585 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
586 new ClusterWrapperImpl(system2)).props(), shardManagerID);
588 new JavaTestKit(system1) {{
590 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
591 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
593 shardManager2.tell(new ActorInitialized(), mockShardActor2);
595 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
596 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
597 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
598 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor2);
599 shardManager2.tell(new RoleChangeNotification(memberId2,
600 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
602 shardManager1.underlyingActor().waitForMemberUp();
604 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
606 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
607 String path = found.getPrimaryPath();
608 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
609 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
611 shardManager2.underlyingActor().verifyFindPrimary();
613 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
615 shardManager1.underlyingActor().waitForMemberRemoved();
617 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
619 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
624 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
625 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
627 // Create an ActorSystem ShardManager actor for member-1.
629 final ActorSystem system1 = newActorSystem("Member1");
630 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
632 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
634 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
635 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
636 new ClusterWrapperImpl(system1)).props(), shardManagerID);
638 // Create an ActorSystem ShardManager actor for member-2.
640 final ActorSystem system2 = newActorSystem("Member2");
642 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
644 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
646 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
647 put("default", Arrays.asList("member-1", "member-2")).build());
649 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
650 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
651 new ClusterWrapperImpl(system2)).props(), shardManagerID);
653 new JavaTestKit(system1) {{
655 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
656 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
657 shardManager1.tell(new ActorInitialized(), mockShardActor1);
658 shardManager2.tell(new ActorInitialized(), mockShardActor2);
660 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
661 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
662 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
663 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
664 shardManager1.tell(new RoleChangeNotification(memberId1,
665 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
666 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
667 DataStoreVersions.CURRENT_VERSION),
669 shardManager2.tell(new RoleChangeNotification(memberId2,
670 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
671 shardManager1.underlyingActor().waitForMemberUp();
673 shardManager1.tell(new FindPrimary("default", true), getRef());
675 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
676 String path = found.getPrimaryPath();
677 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
679 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
680 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
682 shardManager1.underlyingActor().waitForUnreachableMember();
684 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
685 assertEquals("getMemberName", "member-2", peerDown.getMemberName());
686 MessageCollectorActor.clearMessages(mockShardActor1);
688 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
689 createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
691 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
693 shardManager1.tell(new FindPrimary("default", true), getRef());
695 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
697 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
698 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
700 shardManager1.underlyingActor().waitForReachableMember();
702 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
703 assertEquals("getMemberName", "member-2", peerUp.getMemberName());
704 MessageCollectorActor.clearMessages(mockShardActor1);
706 shardManager1.tell(new FindPrimary("default", true), getRef());
708 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
709 String path1 = found1.getPrimaryPath();
710 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
712 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
713 createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
715 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
721 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
722 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
724 // Create an ActorSystem ShardManager actor for member-1.
726 final ActorSystem system1 = newActorSystem("Member1");
727 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
729 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
731 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
732 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
733 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
734 new ClusterWrapperImpl(system1)).primaryShardInfoCache(primaryShardInfoCache).props(),
737 // Create an ActorSystem ShardManager actor for member-2.
739 final ActorSystem system2 = newActorSystem("Member2");
741 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
743 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
745 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
746 put("default", Arrays.asList("member-1", "member-2")).build());
748 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
749 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
750 new ClusterWrapperImpl(system2)).props(), shardManagerID);
752 new JavaTestKit(system1) {{
753 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
754 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
755 shardManager1.tell(new ActorInitialized(), mockShardActor1);
756 shardManager2.tell(new ActorInitialized(), mockShardActor2);
758 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
759 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
760 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
761 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
762 shardManager1.tell(new RoleChangeNotification(memberId1,
763 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
764 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
765 DataStoreVersions.CURRENT_VERSION),
767 shardManager2.tell(new RoleChangeNotification(memberId2,
768 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
769 shardManager1.underlyingActor().waitForMemberUp();
771 shardManager1.tell(new FindPrimary("default", true), getRef());
773 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
774 String path = found.getPrimaryPath();
775 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
777 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
778 mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
780 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
781 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
783 shardManager1.underlyingActor().waitForUnreachableMember();
785 shardManager1.tell(new FindPrimary("default", true), getRef());
787 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
789 assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
791 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
792 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
793 shardManager1.tell(new RoleChangeNotification(memberId1,
794 RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
796 shardManager1.tell(new FindPrimary("default", true), getRef());
798 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
799 String path1 = found1.getPrimaryPath();
800 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
807 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
808 new JavaTestKit(getSystem()) {{
809 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
811 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
813 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
815 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
817 assertEquals("getShardName", "non-existent", notFound.getShardName());
822 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
823 new JavaTestKit(getSystem()) {{
824 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
826 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
827 shardManager.tell(new ActorInitialized(), mockShardActor);
829 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
831 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
833 assertTrue("Found path contains " + found.getPath().path().toString(),
834 found.getPath().path().toString().contains("member-1-shard-default-config"));
839 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
840 new JavaTestKit(getSystem()) {{
841 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
843 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
845 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
850 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
851 new JavaTestKit(getSystem()) {{
852 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
854 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
856 // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
857 // delayed until we send ActorInitialized.
858 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
859 new Timeout(5, TimeUnit.SECONDS));
861 shardManager.tell(new ActorInitialized(), mockShardActor);
863 Object resp = Await.result(future, duration("5 seconds"));
864 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
869 public void testOnRecoveryJournalIsCleaned() {
870 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
871 InMemoryJournal.addEntry(persistenceID, 1L, new ShardManager.SchemaContextModules(
872 ImmutableSet.of("foo")));
873 InMemoryJournal.addEntry(persistenceID, 2L, new ShardManager.SchemaContextModules(
874 ImmutableSet.of("bar")));
875 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
877 TestShardManager shardManager = newTestShardManager();
879 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
881 // Journal entries up to the last one should've been deleted
882 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
883 synchronized (journal) {
884 assertEquals("Journal size", 0, journal.size());
889 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
890 TestShardManager shardManager = newTestShardManager();
892 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
893 shardManager.onReceiveCommand(new RoleChangeNotification(
894 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
896 verify(ready, never()).countDown();
898 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
899 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
901 verify(ready, times(1)).countDown();
905 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
906 new JavaTestKit(getSystem()) {{
907 TestShardManager shardManager = newTestShardManager();
909 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
910 shardManager.onReceiveCommand(new RoleChangeNotification(
911 memberId, null, RaftState.Follower.name()));
913 verify(ready, never()).countDown();
915 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
917 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
918 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
919 DataStoreVersions.CURRENT_VERSION));
921 verify(ready, times(1)).countDown();
926 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
927 new JavaTestKit(getSystem()) {{
928 TestShardManager shardManager = newTestShardManager();
930 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
931 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
933 verify(ready, never()).countDown();
935 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
936 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
937 DataStoreVersions.CURRENT_VERSION));
939 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
941 verify(ready, times(1)).countDown();
946 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
947 TestShardManager shardManager = newTestShardManager();
949 shardManager.onReceiveCommand(new RoleChangeNotification(
950 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
952 verify(ready, never()).countDown();
956 public void testByDefaultSyncStatusIsFalse() throws Exception{
957 TestShardManager shardManager = newTestShardManager();
959 assertEquals(false, shardManager.getMBean().getSyncStatus());
963 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
964 TestShardManager shardManager = newTestShardManager();
966 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
967 RaftState.Follower.name(), RaftState.Leader.name()));
969 assertEquals(true, shardManager.getMBean().getSyncStatus());
973 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
974 TestShardManager shardManager = newTestShardManager();
976 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
977 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
978 RaftState.Follower.name(), RaftState.Candidate.name()));
980 assertEquals(false, shardManager.getMBean().getSyncStatus());
982 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
983 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
986 assertEquals(false, shardManager.getMBean().getSyncStatus());
990 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
991 TestShardManager shardManager = newTestShardManager();
993 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
994 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
995 RaftState.Candidate.name(), RaftState.Follower.name()));
997 // Initially will be false
998 assertEquals(false, shardManager.getMBean().getSyncStatus());
1000 // Send status true will make sync status true
1001 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1003 assertEquals(true, shardManager.getMBean().getSyncStatus());
1005 // Send status false will make sync status false
1006 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1008 assertEquals(false, shardManager.getMBean().getSyncStatus());
1013 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
1014 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1016 public List<String> getMemberShardNames(String memberName) {
1017 return Arrays.asList("default", "astronauts");
1021 // Initially will be false
1022 assertEquals(false, shardManager.getMBean().getSyncStatus());
1024 // Make default shard leader
1025 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1026 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1027 RaftState.Follower.name(), RaftState.Leader.name()));
1029 // default = Leader, astronauts is unknown so sync status remains false
1030 assertEquals(false, shardManager.getMBean().getSyncStatus());
1032 // Make astronauts shard leader as well
1033 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1034 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1035 RaftState.Follower.name(), RaftState.Leader.name()));
1037 // Now sync status should be true
1038 assertEquals(true, shardManager.getMBean().getSyncStatus());
1040 // Make astronauts a Follower
1041 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1042 RaftState.Leader.name(), RaftState.Follower.name()));
1044 // Sync status is not true
1045 assertEquals(false, shardManager.getMBean().getSyncStatus());
1047 // Make the astronauts follower sync status true
1048 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1050 // Sync status is now true
1051 assertEquals(true, shardManager.getMBean().getSyncStatus());
1056 public void testOnReceiveSwitchShardBehavior() throws Exception {
1057 new JavaTestKit(getSystem()) {{
1058 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1060 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1061 shardManager.tell(new ActorInitialized(), mockShardActor);
1063 shardManager.tell(new SwitchShardBehavior(mockShardName, "Leader", 1000), getRef());
1065 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
1067 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1068 assertEquals(1000, switchBehavior.getNewTerm());
1073 public void testOnCreateShard() {
1074 new JavaTestKit(getSystem()) {{
1075 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1077 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1078 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1080 SchemaContext schemaContext = TestModel.createTestContext();
1081 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1083 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
1084 persistent(false).build();
1085 Shard.Builder shardBuilder = Shard.builder();
1087 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1088 "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
1089 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1091 expectMsgClass(duration("5 seconds"), Success.class);
1093 shardManager.tell(new FindLocalShard("foo", true), getRef());
1095 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1097 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1098 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
1099 getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1100 assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
1101 new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
1102 shardBuilder.getPeerAddresses().keySet());
1103 assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
1104 shardBuilder.getId());
1105 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1107 // Send CreateShard with same name - should return Success with a message.
1109 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1111 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1112 assertNotNull("Success status is null", success.status());
1117 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1118 new JavaTestKit(getSystem()) {{
1119 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1121 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1122 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1124 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1126 Shard.Builder shardBuilder = Shard.builder();
1127 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1128 "foo", null, Arrays.asList("member-5", "member-6"));
1130 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1131 expectMsgClass(duration("5 seconds"), Success.class);
1133 shardManager.tell(new FindLocalShard("foo", true), getRef());
1134 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1136 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1137 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
1138 shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1143 public void testOnCreateShardWithNoInitialSchemaContext() {
1144 new JavaTestKit(getSystem()) {{
1145 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1146 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1148 Shard.Builder shardBuilder = Shard.builder();
1150 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1151 "foo", null, Arrays.asList("member-1"));
1152 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1154 expectMsgClass(duration("5 seconds"), Success.class);
1156 SchemaContext schemaContext = TestModel.createTestContext();
1157 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1159 shardManager.tell(new FindLocalShard("foo", true), getRef());
1161 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1163 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1164 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1169 public void testGetSnapshot() throws Throwable {
1170 JavaTestKit kit = new JavaTestKit(getSystem());
1172 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1173 put("shard1", Arrays.asList("member-1")).
1174 put("shard2", Arrays.asList("member-1")).build());
1176 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(mockConfig).withDispatcher(
1177 Dispatchers.DefaultDispatcherId()));
1179 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1180 Failure failure = kit.expectMsgClass(Failure.class);
1181 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1183 kit = new JavaTestKit(getSystem());
1185 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1187 shardManager.tell(new FindLocalShard("shard1", true), kit.getRef());
1188 kit.expectMsgClass(LocalShardFound.class);
1189 shardManager.tell(new FindLocalShard("shard2", true), kit.getRef());
1190 kit.expectMsgClass(LocalShardFound.class);
1192 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1194 DatastoreSnapshot datastoreSnapshot = kit.expectMsgClass(DatastoreSnapshot.class);
1196 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1197 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1199 Function<ShardSnapshot, String> shardNameTransformer = new Function<ShardSnapshot, String>() {
1201 public String apply(ShardSnapshot s) {
1206 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1207 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1211 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1212 new JavaTestKit(getSystem()) {{
1213 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1214 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1216 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1217 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1219 assertEquals("Failure obtained", true,
1220 (resp.cause() instanceof IllegalArgumentException));
1225 public void testAddShardReplica() throws Exception {
1226 MockConfiguration mockConfig =
1227 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1228 put("default", Arrays.asList("member-1", "member-2")).
1229 put("astronauts", Arrays.asList("member-2")).build());
1231 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1233 // Create an ActorSystem ShardManager actor for member-1.
1234 final ActorSystem system1 = newActorSystem("Member1");
1235 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1236 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1237 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1238 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
1239 new ClusterWrapperImpl(system1)).props(), shardManagerID);
1241 // Create an ActorSystem ShardManager actor for member-2.
1242 final ActorSystem system2 = newActorSystem("Member2");
1243 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1245 String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
1246 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1247 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1248 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1249 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
1250 new ClusterWrapperImpl(system2)).props(), shardManagerID);
1252 new JavaTestKit(system1) {{
1254 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1255 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1257 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1259 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1260 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1261 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1262 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1263 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1264 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1266 newReplicaShardManager.underlyingActor().waitForMemberUp();
1267 leaderShardManager.underlyingActor().waitForMemberUp();
1269 //construct a mock response message
1270 AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
1271 mockShardLeaderActor.underlyingActor().updateResponse(response);
1272 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1273 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1275 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1276 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1277 newReplicaShardManager.underlyingActor()
1278 .verifySnapshotPersisted(Sets.newHashSet("default", "astronauts"));
1279 expectMsgClass(duration("5 seconds"), Status.Success.class);
1284 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1285 new JavaTestKit(getSystem()) {{
1286 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1287 newPropsShardMgrWithMockShardActor(), shardMgrID);
1289 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1290 shardManager.tell(new ActorInitialized(), mockShardActor);
1292 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1293 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1294 ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
1295 Props.create(MockRespondActor.class, addServerReply), leaderId);
1297 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1299 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1300 shardManager.tell(new RoleChangeNotification(newReplicaId,
1301 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1302 shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
1303 DataStoreVersions.CURRENT_VERSION), mockShardActor);
1305 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1307 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1309 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1310 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1312 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1313 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1315 // Send message again to verify previous in progress state is cleared
1317 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1318 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1319 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1321 // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
1323 shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
1324 shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
1325 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1326 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1327 expectMsgClass(duration("5 seconds"), Failure.class);
1329 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1330 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1335 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1336 new JavaTestKit(getSystem()) {{
1337 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1338 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1340 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1341 shardManager.tell(new ActorInitialized(), mockShardActor);
1342 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1343 DataStoreVersions.CURRENT_VERSION), getRef());
1344 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1345 RaftState.Leader.name())), mockShardActor);
1347 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1348 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1349 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1351 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1352 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1357 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1358 new JavaTestKit(getSystem()) {{
1359 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1361 MockConfiguration mockConfig =
1362 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1363 put("astronauts", Arrays.asList("member-2")).build());
1365 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1366 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1367 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1368 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1370 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1372 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1373 terminateWatcher.watch(mockNewReplicaShardActor);
1375 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1377 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1378 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1379 addServerMsg.getNewServerId());
1380 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1382 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1383 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1385 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1386 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1388 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1390 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1391 mockShardLeaderKit.expectMsgClass(AddServer.class);
1392 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1393 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1394 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1399 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1400 new JavaTestKit(getSystem()) {{
1401 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1402 JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1404 MockConfiguration mockConfig =
1405 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1406 put("astronauts", Arrays.asList("member-2")).build());
1408 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1409 newTestShardMgrBuilder(mockConfig).shardActor(mockShardActor).props(), shardMgrID);
1410 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1412 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1414 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1416 mockShardLeaderKit.expectMsgClass(AddServer.class);
1418 shardManager.tell(new AddShardReplica("astronauts"), secondRequestKit.getRef());
1420 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1425 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1426 new JavaTestKit(getSystem()) {{
1427 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1428 put("astronauts", Arrays.asList("member-2")).build());
1430 final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
1431 shardActor(mockShardActor).props(), shardMgrID);
1433 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1434 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2", getRef().path().toString());
1436 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1437 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1438 assertEquals("Failure obtained", true,
1439 (resp.cause() instanceof RuntimeException));
1444 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1445 new JavaTestKit(getSystem()) {{
1446 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1447 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1449 shardManager.tell(new RemoveShardReplica("model-inventory"), getRef());
1450 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1451 assertEquals("Failure obtained", true,
1452 (resp.cause() instanceof IllegalArgumentException));
1458 public void testServerRemovedShardActorNotRunning() throws Exception {
1459 new JavaTestKit(getSystem()) {{
1460 MockConfiguration mockConfig =
1461 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1462 put("default", Arrays.asList("member-1", "member-2")).
1463 put("astronauts", Arrays.asList("member-2")).
1464 put("people", Arrays.asList("member-1", "member-2")).build());
1466 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
1468 shardManager.underlyingActor().waitForRecoveryComplete();
1470 shardManager.tell(new FindLocalShard("people", false), getRef());
1471 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1473 shardManager.tell(new FindLocalShard("default", false), getRef());
1474 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1476 // Removed the default shard replica from member-1
1477 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1478 final ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type("config1").build();
1479 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1481 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1486 public void testServerRemovedShardActorRunning() throws Exception {
1487 new JavaTestKit(getSystem()) {{
1488 MockConfiguration mockConfig =
1489 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1490 put("default", Arrays.asList("member-1", "member-2")).
1491 put("astronauts", Arrays.asList("member-2")).
1492 put("people", Arrays.asList("member-1", "member-2")).build());
1494 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(MessageCollectorActor.props());
1496 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1497 newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1501 shardManager.underlyingActor().waitForRecoveryComplete();
1503 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1505 shardManager.tell(new FindLocalShard("people", false), getRef());
1506 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1508 shardManager.tell(new FindLocalShard("default", false), getRef());
1509 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1511 // Removed the default shard replica from member-1
1512 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1513 final ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type("config1").build();
1514 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1516 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1518 expectMsgClass(duration("5 seconds"), Terminated.class);
1524 public void testShardPersistenceWithRestoredData() throws Exception {
1525 new JavaTestKit(getSystem()) {{
1526 MockConfiguration mockConfig =
1527 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1528 put("default", Arrays.asList("member-1", "member-2")).
1529 put("astronauts", Arrays.asList("member-2")).
1530 put("people", Arrays.asList("member-1", "member-2")).build());
1531 String[] restoredShards = {"default", "astronauts"};
1532 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1533 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1535 //create shardManager to come up with restored data
1536 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory.createTestActor(
1537 newShardMgrProps(mockConfig));
1539 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1541 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1542 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1543 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1545 //Verify a local shard is created for the restored shards,
1546 //although we expect a NotInitializedException for the shards as the actor initialization
1547 //message is not sent for them
1548 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1549 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1551 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1552 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1557 private static class TestShardManager extends ShardManager {
1558 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
1559 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1560 private ShardManagerSnapshot snapshot;
1561 private final Map<String, ActorRef> shardActors;
1562 private final ActorRef shardActor;
1563 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
1564 private CountDownLatch memberUpReceived = new CountDownLatch(1);
1565 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
1566 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
1567 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
1568 private volatile MessageInterceptor messageInterceptor;
1570 private TestShardManager(Builder builder) {
1572 shardActor = builder.shardActor;
1573 shardActors = builder.shardActors;
1577 public void handleRecover(Object message) throws Exception {
1579 super.handleRecover(message);
1581 if(message instanceof RecoveryCompleted) {
1582 recoveryComplete.countDown();
1588 public void handleCommand(Object message) throws Exception {
1590 if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
1591 getSender().tell(messageInterceptor.apply(message), getSelf());
1593 super.handleCommand(message);
1596 if(message instanceof FindPrimary) {
1597 findPrimaryMessageReceived.countDown();
1598 } else if(message instanceof ClusterEvent.MemberUp) {
1599 String role = ((ClusterEvent.MemberUp)message).member().roles().head();
1600 if(!getCluster().getCurrentMemberName().equals(role)) {
1601 memberUpReceived.countDown();
1603 } else if(message instanceof ClusterEvent.MemberRemoved) {
1604 String role = ((ClusterEvent.MemberRemoved)message).member().roles().head();
1605 if(!getCluster().getCurrentMemberName().equals(role)) {
1606 memberRemovedReceived.countDown();
1608 } else if(message instanceof ClusterEvent.UnreachableMember) {
1609 String role = ((ClusterEvent.UnreachableMember)message).member().roles().head();
1610 if(!getCluster().getCurrentMemberName().equals(role)) {
1611 memberUnreachableReceived.countDown();
1613 } else if(message instanceof ClusterEvent.ReachableMember) {
1614 String role = ((ClusterEvent.ReachableMember)message).member().roles().head();
1615 if(!getCluster().getCurrentMemberName().equals(role)) {
1616 memberReachableReceived.countDown();
1622 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
1623 this.messageInterceptor = messageInterceptor;
1626 void waitForRecoveryComplete() {
1627 assertEquals("Recovery complete", true,
1628 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
1631 void waitForMemberUp() {
1632 assertEquals("MemberUp received", true,
1633 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
1634 memberUpReceived = new CountDownLatch(1);
1637 void waitForMemberRemoved() {
1638 assertEquals("MemberRemoved received", true,
1639 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
1640 memberRemovedReceived = new CountDownLatch(1);
1643 void waitForUnreachableMember() {
1644 assertEquals("UnreachableMember received", true,
1645 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
1647 memberUnreachableReceived = new CountDownLatch(1);
1650 void waitForReachableMember() {
1651 assertEquals("ReachableMember received", true,
1652 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
1653 memberReachableReceived = new CountDownLatch(1);
1656 void verifyFindPrimary() {
1657 assertEquals("FindPrimary received", true,
1658 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
1659 findPrimaryMessageReceived = new CountDownLatch(1);
1662 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
1663 return new Builder(datastoreContextBuilder);
1666 private static class Builder extends AbstractGenericBuilder<Builder, TestShardManager> {
1667 private ActorRef shardActor;
1668 private final Map<String, ActorRef> shardActors = new HashMap<>();
1670 Builder(DatastoreContext.Builder datastoreContextBuilder) {
1671 super(TestShardManager.class);
1672 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
1675 Builder shardActor(ActorRef shardActor) {
1676 this.shardActor = shardActor;
1680 Builder addShardActor(String shardName, ActorRef actorRef){
1681 shardActors.put(shardName, actorRef);
1687 public void saveSnapshot(Object obj) {
1688 snapshot = (ShardManagerSnapshot) obj;
1689 snapshotPersist.countDown();
1692 void verifySnapshotPersisted(Set<String> shardList) {
1693 assertEquals("saveSnapshot invoked", true,
1694 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
1695 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
1699 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
1700 if(shardActors.get(info.getShardName()) != null){
1701 return shardActors.get(info.getShardName());
1704 if(shardActor != null) {
1708 return super.newShardActor(schemaContext, info);
1712 private static abstract class AbstractGenericBuilder<T extends AbstractGenericBuilder<T, ?>, C extends ShardManager>
1713 extends ShardManager.AbstractBuilder<T> {
1714 private final Class<C> shardManagerClass;
1716 AbstractGenericBuilder(Class<C> shardManagerClass) {
1717 this.shardManagerClass = shardManagerClass;
1718 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).
1719 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
1723 public Props props() {
1725 return Props.create(shardManagerClass, this);
1729 private static class GenericBuilder<C extends ShardManager> extends AbstractGenericBuilder<GenericBuilder<C>, C> {
1730 GenericBuilder(Class<C> shardManagerClass) {
1731 super(shardManagerClass);
1735 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
1736 private static final long serialVersionUID = 1L;
1737 private final Creator<ShardManager> delegate;
1739 public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
1740 this.delegate = delegate;
1744 public ShardManager create() throws Exception {
1745 return delegate.create();
1749 interface MessageInterceptor extends Function<Object, Object> {
1750 boolean canIntercept(Object message);
1753 private MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
1754 return new MessageInterceptor(){
1756 public Object apply(Object message) {
1757 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
1761 public boolean canIntercept(Object message) {
1762 return message instanceof FindPrimary;
1767 private static class MockRespondActor extends MessageCollectorActor {
1768 static final String CLEAR_RESPONSE = "clear-response";
1770 private volatile Object responseMsg;
1772 @SuppressWarnings("unused")
1773 public MockRespondActor() {
1776 @SuppressWarnings("unused")
1777 public MockRespondActor(Object responseMsg) {
1778 this.responseMsg = responseMsg;
1781 public void updateResponse(Object response) {
1782 responseMsg = response;
1786 public void onReceive(Object message) throws Exception {
1787 super.onReceive(message);
1788 if (message instanceof AddServer) {
1789 if (responseMsg != null) {
1790 getSender().tell(responseMsg, getSelf());
1792 } if(message.equals(CLEAR_RESPONSE)) {