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.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;
21 import akka.actor.ActorRef;
22 import akka.actor.ActorSystem;
23 import akka.actor.AddressFromURIString;
24 import akka.actor.Props;
25 import akka.actor.Status;
26 import akka.actor.Status.Failure;
27 import akka.actor.Status.Success;
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.base.Stopwatch;
41 import com.google.common.collect.ImmutableMap;
42 import com.google.common.collect.ImmutableSet;
43 import com.google.common.collect.Lists;
44 import com.google.common.collect.Sets;
45 import com.google.common.util.concurrent.Uninterruptibles;
46 import com.typesafe.config.ConfigFactory;
48 import java.util.AbstractMap;
49 import java.util.ArrayList;
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 org.apache.commons.lang3.SerializationUtils;
62 import org.junit.After;
63 import org.junit.Before;
64 import org.junit.Test;
65 import org.mockito.Mock;
66 import org.mockito.Mockito;
67 import org.mockito.MockitoAnnotations;
68 import org.opendaylight.controller.cluster.datastore.config.Configuration;
69 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
70 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
71 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
72 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
73 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
74 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
75 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
76 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
77 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
78 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
79 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
80 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
81 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
82 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
83 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
84 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
85 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
86 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
87 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
88 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
89 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
90 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
91 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
92 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
93 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
94 import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
95 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
96 import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
97 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
98 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
99 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
100 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
101 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
102 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
103 import org.opendaylight.controller.cluster.raft.RaftState;
104 import org.opendaylight.controller.cluster.raft.TestActorFactory;
105 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
106 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
107 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
108 import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
109 import org.opendaylight.controller.cluster.raft.messages.AddServer;
110 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
111 import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
112 import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
113 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
114 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
115 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
116 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
117 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
118 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
119 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
120 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
121 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
122 import org.slf4j.Logger;
123 import org.slf4j.LoggerFactory;
124 import scala.concurrent.Await;
125 import scala.concurrent.Future;
126 import scala.concurrent.duration.FiniteDuration;
128 public class ShardManagerTest extends AbstractActorTest {
129 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
131 private static int ID_COUNTER = 1;
133 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
134 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
137 private static CountDownLatch ready;
139 private static TestActorRef<MessageCollectorActor> mockShardActor;
141 private static String mockShardName;
143 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
144 dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
145 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
147 private final Collection<ActorSystem> actorSystems = new ArrayList<>();
149 private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
152 public void setUp() {
153 MockitoAnnotations.initMocks(this);
155 InMemoryJournal.clear();
156 InMemorySnapshotStore.clear();
158 if(mockShardActor == null) {
159 mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
160 mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), mockShardName);
163 mockShardActor.underlyingActor().clear();
167 public void tearDown() {
168 InMemoryJournal.clear();
169 InMemorySnapshotStore.clear();
171 for(ActorSystem system: actorSystems) {
172 JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
175 actorFactory.close();
178 private ActorSystem newActorSystem(String config) {
179 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
180 actorSystems.add(system);
184 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
185 String name = new ShardIdentifier(shardName, memberName,"config").toString();
186 if(system == getSystem()) {
187 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
190 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
193 private Props newShardMgrProps() {
194 return newShardMgrProps(new MockConfiguration());
197 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
198 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
199 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
200 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
204 private TestShardManager.Builder newTestShardMgrBuilder() {
205 return TestShardManager.builder(datastoreContextBuilder);
208 private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
209 return TestShardManager.builder(datastoreContextBuilder).configuration(config);
212 private Props newShardMgrProps(Configuration config) {
213 return newTestShardMgrBuilder(config).props();
216 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
217 return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
220 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
221 return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
225 private Props newPropsShardMgrWithMockShardActor() {
226 return newTestShardMgrBuilderWithMockShardActor().props();
229 private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
230 return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
234 private TestShardManager newTestShardManager() {
235 return newTestShardManager(newShardMgrProps());
238 private TestShardManager newTestShardManager(Props props) {
239 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
240 TestShardManager shardManager = shardManagerActor.underlyingActor();
241 shardManager.waitForRecoveryComplete();
245 private static void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
246 AssertionError last = null;
247 Stopwatch sw = Stopwatch.createStarted();
248 while(sw.elapsed(TimeUnit.SECONDS) <= 5) {
250 shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
251 kit.expectMsgClass(LocalShardFound.class);
253 } catch(AssertionError e) {
257 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
263 private static <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
264 Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
265 if(reply instanceof Failure) {
266 throw new AssertionError(msg + " failed", ((Failure)reply).cause());
273 public void testPerShardDatastoreContext() throws Exception {
274 LOG.info("testPerShardDatastoreContext starting");
275 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
276 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
278 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
279 shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
281 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
282 shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
284 final MockConfiguration mockConfig = new MockConfiguration() {
286 public Collection<String> getMemberShardNames(String memberName) {
287 return Arrays.asList("default", "topology");
291 public Collection<String> getMembersFromShardName(String shardName) {
292 return Arrays.asList("member-1");
296 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
297 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
298 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
299 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
301 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
302 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
303 shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
304 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
306 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
307 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
308 class LocalShardManager extends ShardManager {
309 public LocalShardManager(AbstractBuilder<?> builder) {
314 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
315 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
318 ref = entry.getKey();
319 entry.setValue(info.getDatastoreContext());
322 newShardActorLatch.countDown();
327 final Creator<ShardManager> creator = new Creator<ShardManager>() {
328 private static final long serialVersionUID = 1L;
330 public ShardManager create() throws Exception {
331 return new LocalShardManager(new GenericBuilder<LocalShardManager>(LocalShardManager.class).
332 datastoreContextFactory(mockFactory).primaryShardInfoCache(primaryShardInfoCache).
333 configuration(mockConfig));
337 JavaTestKit kit = new JavaTestKit(getSystem());
339 final ActorRef shardManager = actorFactory.createActor(Props.create(
340 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
342 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
344 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
345 assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
346 getShardElectionTimeoutFactor());
347 assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
348 getShardElectionTimeoutFactor());
350 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
351 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
352 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
353 shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
355 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
356 shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
358 shardManager.tell(newMockFactory, kit.getRef());
360 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
361 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
363 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
364 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
366 LOG.info("testPerShardDatastoreContext ending");
370 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
371 new JavaTestKit(getSystem()) {{
372 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
374 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
376 shardManager.tell(new FindPrimary("non-existent", false), getRef());
378 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
383 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
384 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
385 new JavaTestKit(getSystem()) {{
386 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
388 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
390 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
391 shardManager.tell(new ActorInitialized(), mockShardActor);
393 DataTree mockDataTree = mock(DataTree.class);
394 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
395 DataStoreVersions.CURRENT_VERSION), getRef());
397 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
398 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
399 RaftState.Leader.name())), mockShardActor);
401 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
403 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
404 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
405 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
406 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
409 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
413 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
414 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
415 new JavaTestKit(getSystem()) {{
416 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
418 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
419 shardManager.tell(new ActorInitialized(), mockShardActor);
421 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
422 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
423 shardManager.tell(new RoleChangeNotification(memberId1,
424 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
425 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
427 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
429 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
432 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
436 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
437 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
438 new JavaTestKit(getSystem()) {{
439 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
441 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
442 shardManager.tell(new ActorInitialized(), mockShardActor);
444 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
445 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
447 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
448 shardManager.tell(new RoleChangeNotification(memberId1,
449 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
450 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
451 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
452 leaderVersion), mockShardActor);
454 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
456 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
457 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
458 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
459 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
462 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
466 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
467 new JavaTestKit(getSystem()) {{
468 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
470 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
472 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
477 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
478 new JavaTestKit(getSystem()) {{
479 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
481 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
482 shardManager.tell(new ActorInitialized(), mockShardActor);
484 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
486 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
491 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
492 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
493 new JavaTestKit(getSystem()) {{
494 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
496 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
497 shardManager.tell(new ActorInitialized(), mockShardActor);
499 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
500 shardManager.tell(new RoleChangeNotification(memberId,
501 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
503 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
505 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
507 DataTree mockDataTree = mock(DataTree.class);
508 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
509 DataStoreVersions.CURRENT_VERSION), mockShardActor);
511 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
513 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
514 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
515 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
516 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
519 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
523 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
524 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
525 datastoreContextBuilder.shardInitializationTimeout(10, TimeUnit.SECONDS);
526 new JavaTestKit(getSystem()) {{
527 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
529 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
531 // We're passing waitUntilInitialized = true to FindPrimary so the response should be
532 // delayed until we send ActorInitialized and RoleChangeNotification.
533 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
535 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
537 shardManager.tell(new ActorInitialized(), mockShardActor);
539 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
541 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
542 shardManager.tell(new RoleChangeNotification(memberId,
543 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
545 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
547 DataTree mockDataTree = mock(DataTree.class);
548 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
549 DataStoreVersions.CURRENT_VERSION), mockShardActor);
551 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
552 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
553 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
554 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
556 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
559 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
563 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
564 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
565 new JavaTestKit(getSystem()) {{
566 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
568 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
570 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
572 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
574 shardManager.tell(new ActorInitialized(), mockShardActor);
576 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
579 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
583 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
584 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
585 new JavaTestKit(getSystem()) {{
586 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
588 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
589 shardManager.tell(new ActorInitialized(), mockShardActor);
590 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
591 null, RaftState.Candidate.name()), mockShardActor);
593 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
595 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
598 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
602 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
603 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
604 new JavaTestKit(getSystem()) {{
605 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
607 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
608 shardManager.tell(new ActorInitialized(), mockShardActor);
609 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
610 null, RaftState.IsolatedLeader.name()), mockShardActor);
612 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
614 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
617 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
621 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
622 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
623 new JavaTestKit(getSystem()) {{
624 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
626 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
627 shardManager.tell(new ActorInitialized(), mockShardActor);
629 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
631 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
634 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
638 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
639 LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
640 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
642 // Create an ActorSystem ShardManager actor for member-1.
644 final ActorSystem system1 = newActorSystem("Member1");
645 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
647 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
648 newTestShardMgrBuilderWithMockShardActor().cluster(
649 new ClusterWrapperImpl(system1)).props().withDispatcher(
650 Dispatchers.DefaultDispatcherId()), shardManagerID);
652 // Create an ActorSystem ShardManager actor for member-2.
654 final ActorSystem system2 = newActorSystem("Member2");
656 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
658 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
660 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
661 put("default", Arrays.asList("member-1", "member-2")).
662 put("astronauts", Arrays.asList("member-2")).build());
664 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
665 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
666 new ClusterWrapperImpl(system2)).props().withDispatcher(
667 Dispatchers.DefaultDispatcherId()), shardManagerID);
669 new JavaTestKit(system1) {{
671 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
672 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
674 shardManager2.tell(new ActorInitialized(), mockShardActor2);
676 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
677 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
678 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
679 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor2);
680 shardManager2.tell(new RoleChangeNotification(memberId2,
681 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
683 shardManager1.underlyingActor().waitForMemberUp();
685 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
687 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
688 String path = found.getPrimaryPath();
689 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
690 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
692 shardManager2.underlyingActor().verifyFindPrimary();
694 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
696 shardManager1.underlyingActor().waitForMemberRemoved();
698 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
700 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
703 LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
707 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
708 LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
709 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
711 // Create an ActorSystem ShardManager actor for member-1.
713 final ActorSystem system1 = newActorSystem("Member1");
714 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
716 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
718 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
719 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
720 new ClusterWrapperImpl(system1)).props().withDispatcher(
721 Dispatchers.DefaultDispatcherId()), shardManagerID);
723 // Create an ActorSystem ShardManager actor for member-2.
725 final ActorSystem system2 = newActorSystem("Member2");
727 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
729 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
731 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
732 put("default", Arrays.asList("member-1", "member-2")).build());
734 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
735 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
736 new ClusterWrapperImpl(system2)).props().withDispatcher(
737 Dispatchers.DefaultDispatcherId()), shardManagerID);
739 new JavaTestKit(system1) {{
741 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
742 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
743 shardManager1.tell(new ActorInitialized(), mockShardActor1);
744 shardManager2.tell(new ActorInitialized(), mockShardActor2);
746 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
747 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
748 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
749 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
750 shardManager1.tell(new RoleChangeNotification(memberId1,
751 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
752 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
753 DataStoreVersions.CURRENT_VERSION),
755 shardManager2.tell(new RoleChangeNotification(memberId2,
756 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
757 shardManager1.underlyingActor().waitForMemberUp();
759 shardManager1.tell(new FindPrimary("default", true), getRef());
761 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
762 String path = found.getPrimaryPath();
763 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
765 shardManager1.tell(MockClusterWrapper.
766 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
768 shardManager1.underlyingActor().waitForUnreachableMember();
770 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
771 assertEquals("getMemberName", "member-2", peerDown.getMemberName());
772 MessageCollectorActor.clearMessages(mockShardActor1);
774 shardManager1.tell(MockClusterWrapper.
775 createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
777 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
779 shardManager1.tell(new FindPrimary("default", true), getRef());
781 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
783 shardManager1.tell(MockClusterWrapper.
784 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
786 shardManager1.underlyingActor().waitForReachableMember();
788 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
789 assertEquals("getMemberName", "member-2", peerUp.getMemberName());
790 MessageCollectorActor.clearMessages(mockShardActor1);
792 shardManager1.tell(new FindPrimary("default", true), getRef());
794 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
795 String path1 = found1.getPrimaryPath();
796 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
798 shardManager1.tell(MockClusterWrapper.
799 createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
801 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
803 // Test FindPrimary wait succeeds after reachable member event.
805 shardManager1.tell(MockClusterWrapper.
806 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
807 shardManager1.underlyingActor().waitForUnreachableMember();
809 shardManager1.tell(new FindPrimary("default", true), getRef());
811 shardManager1.tell(MockClusterWrapper.
812 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
814 RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
815 String path2 = found2.getPrimaryPath();
816 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.tcp://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(
837 new ClusterWrapperImpl(system1)).primaryShardInfoCache(primaryShardInfoCache).props().
838 withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
840 // Create an ActorSystem ShardManager actor for member-2.
842 final ActorSystem system2 = newActorSystem("Member2");
844 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
846 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
848 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
849 put("default", Arrays.asList("member-1", "member-2")).build());
851 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
852 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
853 new ClusterWrapperImpl(system2)).props().withDispatcher(
854 Dispatchers.DefaultDispatcherId()), shardManagerID);
856 new JavaTestKit(system1) {{
857 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
858 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
859 shardManager1.tell(new ActorInitialized(), mockShardActor1);
860 shardManager2.tell(new ActorInitialized(), mockShardActor2);
862 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
863 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
864 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
865 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
866 shardManager1.tell(new RoleChangeNotification(memberId1,
867 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
868 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
869 DataStoreVersions.CURRENT_VERSION),
871 shardManager2.tell(new RoleChangeNotification(memberId2,
872 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
873 shardManager1.underlyingActor().waitForMemberUp();
875 shardManager1.tell(new FindPrimary("default", true), getRef());
877 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
878 String path = found.getPrimaryPath();
879 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
881 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
882 mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
884 shardManager1.tell(MockClusterWrapper.
885 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
887 shardManager1.underlyingActor().waitForUnreachableMember();
889 shardManager1.tell(new FindPrimary("default", true), getRef());
891 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
893 assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
895 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
896 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
897 shardManager1.tell(new RoleChangeNotification(memberId1,
898 RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
900 shardManager1.tell(new FindPrimary("default", true), getRef());
902 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
903 String path1 = found1.getPrimaryPath();
904 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
908 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
913 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
914 new JavaTestKit(getSystem()) {{
915 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
917 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
919 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
921 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
923 assertEquals("getShardName", "non-existent", notFound.getShardName());
928 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
929 new JavaTestKit(getSystem()) {{
930 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
932 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
933 shardManager.tell(new ActorInitialized(), mockShardActor);
935 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
937 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
939 assertTrue("Found path contains " + found.getPath().path().toString(),
940 found.getPath().path().toString().contains("member-1-shard-default-config"));
945 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
946 new JavaTestKit(getSystem()) {{
947 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
949 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
951 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
956 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
957 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
958 new JavaTestKit(getSystem()) {{
959 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
961 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
963 // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
964 // delayed until we send ActorInitialized.
965 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
966 new Timeout(5, TimeUnit.SECONDS));
968 shardManager.tell(new ActorInitialized(), mockShardActor);
970 Object resp = Await.result(future, duration("5 seconds"));
971 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
974 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
978 public void testOnRecoveryJournalIsCleaned() {
979 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
980 InMemoryJournal.addEntry(persistenceID, 1L, new ShardManager.SchemaContextModules(
981 ImmutableSet.of("foo")));
982 InMemoryJournal.addEntry(persistenceID, 2L, new ShardManager.SchemaContextModules(
983 ImmutableSet.of("bar")));
984 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
986 TestShardManager shardManager = newTestShardManager();
988 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
990 // Journal entries up to the last one should've been deleted
991 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
992 synchronized (journal) {
993 assertEquals("Journal size", 0, journal.size());
998 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
999 TestShardManager shardManager = newTestShardManager();
1001 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1002 shardManager.onReceiveCommand(new RoleChangeNotification(
1003 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
1005 verify(ready, never()).countDown();
1007 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
1008 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
1010 verify(ready, times(1)).countDown();
1014 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
1015 new JavaTestKit(getSystem()) {{
1016 TestShardManager shardManager = newTestShardManager();
1018 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1019 shardManager.onReceiveCommand(new RoleChangeNotification(
1020 memberId, null, RaftState.Follower.name()));
1022 verify(ready, never()).countDown();
1024 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1026 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1027 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1028 DataStoreVersions.CURRENT_VERSION));
1030 verify(ready, times(1)).countDown();
1035 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
1036 new JavaTestKit(getSystem()) {{
1037 TestShardManager shardManager = newTestShardManager();
1039 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1040 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1042 verify(ready, never()).countDown();
1044 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1045 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1046 DataStoreVersions.CURRENT_VERSION));
1048 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1050 verify(ready, times(1)).countDown();
1055 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
1056 TestShardManager shardManager = newTestShardManager();
1058 shardManager.onReceiveCommand(new RoleChangeNotification(
1059 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
1061 verify(ready, never()).countDown();
1065 public void testByDefaultSyncStatusIsFalse() throws Exception{
1066 TestShardManager shardManager = newTestShardManager();
1068 assertEquals(false, shardManager.getMBean().getSyncStatus());
1072 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
1073 TestShardManager shardManager = newTestShardManager();
1075 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
1076 RaftState.Follower.name(), RaftState.Leader.name()));
1078 assertEquals(true, shardManager.getMBean().getSyncStatus());
1082 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
1083 TestShardManager shardManager = newTestShardManager();
1085 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1086 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1087 RaftState.Follower.name(), RaftState.Candidate.name()));
1089 assertEquals(false, shardManager.getMBean().getSyncStatus());
1091 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
1092 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
1095 assertEquals(false, shardManager.getMBean().getSyncStatus());
1099 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
1100 TestShardManager shardManager = newTestShardManager();
1102 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1103 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1104 RaftState.Candidate.name(), RaftState.Follower.name()));
1106 // Initially will be false
1107 assertEquals(false, shardManager.getMBean().getSyncStatus());
1109 // Send status true will make sync status true
1110 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1112 assertEquals(true, shardManager.getMBean().getSyncStatus());
1114 // Send status false will make sync status false
1115 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1117 assertEquals(false, shardManager.getMBean().getSyncStatus());
1122 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
1123 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
1124 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1126 public List<String> getMemberShardNames(String memberName) {
1127 return Arrays.asList("default", "astronauts");
1131 // Initially will be false
1132 assertEquals(false, shardManager.getMBean().getSyncStatus());
1134 // Make default shard leader
1135 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1136 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1137 RaftState.Follower.name(), RaftState.Leader.name()));
1139 // default = Leader, astronauts is unknown so sync status remains false
1140 assertEquals(false, shardManager.getMBean().getSyncStatus());
1142 // Make astronauts shard leader as well
1143 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1144 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1145 RaftState.Follower.name(), RaftState.Leader.name()));
1147 // Now sync status should be true
1148 assertEquals(true, shardManager.getMBean().getSyncStatus());
1150 // Make astronauts a Follower
1151 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1152 RaftState.Leader.name(), RaftState.Follower.name()));
1154 // Sync status is not true
1155 assertEquals(false, shardManager.getMBean().getSyncStatus());
1157 // Make the astronauts follower sync status true
1158 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1160 // Sync status is now true
1161 assertEquals(true, shardManager.getMBean().getSyncStatus());
1163 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
1167 public void testOnReceiveSwitchShardBehavior() throws Exception {
1168 new JavaTestKit(getSystem()) {{
1169 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1171 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1172 shardManager.tell(new ActorInitialized(), mockShardActor);
1174 shardManager.tell(new SwitchShardBehavior(mockShardName, "Leader", 1000), getRef());
1176 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
1178 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1179 assertEquals(1000, switchBehavior.getNewTerm());
1184 public void testOnCreateShard() {
1185 LOG.info("testOnCreateShard starting");
1186 new JavaTestKit(getSystem()) {{
1187 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1189 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1190 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1192 SchemaContext schemaContext = TestModel.createTestContext();
1193 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1195 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
1196 persistent(false).build();
1197 Shard.Builder shardBuilder = Shard.builder();
1199 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1200 "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
1201 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1203 expectMsgClass(duration("5 seconds"), Success.class);
1205 shardManager.tell(new FindLocalShard("foo", true), getRef());
1207 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1209 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1210 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
1211 getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1212 assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
1213 new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
1214 shardBuilder.getPeerAddresses().keySet());
1215 assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
1216 shardBuilder.getId());
1217 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1219 // Send CreateShard with same name - should return Success with a message.
1221 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1223 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1224 assertNotNull("Success status is null", success.status());
1227 LOG.info("testOnCreateShard ending");
1231 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1232 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
1233 new JavaTestKit(getSystem()) {{
1234 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1236 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1237 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1239 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1241 Shard.Builder shardBuilder = Shard.builder();
1242 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1243 "foo", null, Arrays.asList("member-5", "member-6"));
1245 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1246 expectMsgClass(duration("5 seconds"), Success.class);
1248 shardManager.tell(new FindLocalShard("foo", true), getRef());
1249 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1251 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1252 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
1253 shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1256 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
1260 public void testOnCreateShardWithNoInitialSchemaContext() {
1261 LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
1262 new JavaTestKit(getSystem()) {{
1263 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1264 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1266 Shard.Builder shardBuilder = Shard.builder();
1268 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1269 "foo", null, Arrays.asList("member-1"));
1270 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1272 expectMsgClass(duration("5 seconds"), Success.class);
1274 SchemaContext schemaContext = TestModel.createTestContext();
1275 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1277 shardManager.tell(new FindLocalShard("foo", true), getRef());
1279 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1281 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1282 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1285 LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
1289 public void testGetSnapshot() throws Throwable {
1290 LOG.info("testGetSnapshot starting");
1291 JavaTestKit kit = new JavaTestKit(getSystem());
1293 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1294 put("shard1", Arrays.asList("member-1")).
1295 put("shard2", Arrays.asList("member-1")).
1296 put("astronauts", Collections.<String>emptyList()).build());
1298 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig).
1299 withDispatcher(Dispatchers.DefaultDispatcherId()));
1301 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1302 Failure failure = kit.expectMsgClass(Failure.class);
1303 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1305 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1307 waitForShardInitialized(shardManager, "shard1", kit);
1308 waitForShardInitialized(shardManager, "shard2", kit);
1310 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1312 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1314 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1315 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1317 Function<ShardSnapshot, String> shardNameTransformer = new Function<ShardSnapshot, String>() {
1319 public String apply(ShardSnapshot s) {
1324 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1325 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1327 // Add a new replica
1329 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1331 TestShardManager shardManagerInstance = shardManager.underlyingActor();
1332 shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1334 shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
1335 mockShardLeaderKit.expectMsgClass(AddServer.class);
1336 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
1337 kit.expectMsgClass(Status.Success.class);
1338 waitForShardInitialized(shardManager, "astronauts", kit);
1340 // Send another GetSnapshot and verify
1342 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1343 datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1345 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
1346 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1348 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1349 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1350 ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
1351 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1352 Sets.newHashSet(snapshot.getShardList()));
1354 LOG.info("testGetSnapshot ending");
1358 public void testRestoreFromSnapshot() throws Throwable {
1359 LOG.info("testRestoreFromSnapshot starting");
1361 datastoreContextBuilder.shardInitializationTimeout(3, TimeUnit.SECONDS);
1363 JavaTestKit kit = new JavaTestKit(getSystem());
1365 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1366 put("shard1", Collections.<String>emptyList()).
1367 put("shard2", Collections.<String>emptyList()).
1368 put("astronauts", Collections.<String>emptyList()).build());
1371 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
1372 DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
1373 SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
1374 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig).
1375 restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
1377 shardManager.underlyingActor().waitForRecoveryComplete();
1379 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1381 waitForShardInitialized(shardManager, "shard1", kit);
1382 waitForShardInitialized(shardManager, "shard2", kit);
1383 waitForShardInitialized(shardManager, "astronauts", kit);
1385 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1387 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1389 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1391 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1392 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1393 snapshot = SerializationUtils.deserialize(snapshotBytes);
1394 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1395 Sets.newHashSet(snapshot.getShardList()));
1397 LOG.info("testRestoreFromSnapshot ending");
1401 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1402 new JavaTestKit(getSystem()) {{
1403 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1404 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1406 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1407 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1409 assertEquals("Failure obtained", true,
1410 (resp.cause() instanceof IllegalArgumentException));
1415 public void testAddShardReplica() throws Exception {
1416 LOG.info("testAddShardReplica starting");
1417 MockConfiguration mockConfig =
1418 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1419 put("default", Arrays.asList("member-1", "member-2")).
1420 put("astronauts", Arrays.asList("member-2")).build());
1422 final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1423 datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
1425 // Create an ActorSystem ShardManager actor for member-1.
1426 final ActorSystem system1 = newActorSystem("Member1");
1427 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1428 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1429 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1430 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
1431 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
1433 // Create an ActorSystem ShardManager actor for member-2.
1434 final ActorSystem system2 = newActorSystem("Member2");
1435 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1437 String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
1438 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1439 TestActorRef.create(system2, Props.create(MockRespondActor.class).
1440 withDispatcher(Dispatchers.DefaultDispatcherId()), name);
1441 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1442 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
1443 new ClusterWrapperImpl(system2)).props().
1444 withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
1446 new JavaTestKit(system1) {{
1448 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1449 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1451 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1453 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1454 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1455 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1456 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1457 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1458 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1460 newReplicaShardManager.underlyingActor().waitForMemberUp();
1461 leaderShardManager.underlyingActor().waitForMemberUp();
1463 //Have a dummy snapshot to be overwritten by the new data persisted.
1464 String[] restoredShards = {"default", "people"};
1465 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1466 InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
1467 Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
1469 InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
1470 InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
1472 //construct a mock response message
1473 AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
1474 mockShardLeaderActor.underlyingActor().updateResponse(response);
1475 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1476 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1478 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1479 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1480 expectMsgClass(duration("5 seconds"), Status.Success.class);
1482 InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
1483 InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
1484 List<ShardManagerSnapshot> persistedSnapshots =
1485 InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
1486 assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
1487 ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
1488 assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
1489 Sets.newHashSet(shardManagerSnapshot.getShardList()));
1491 LOG.info("testAddShardReplica ending");
1495 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1496 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
1497 new JavaTestKit(getSystem()) {{
1498 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1499 newPropsShardMgrWithMockShardActor(), shardMgrID);
1501 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1502 shardManager.tell(new ActorInitialized(), mockShardActor);
1504 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1505 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1506 ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
1507 Props.create(MockRespondActor.class, addServerReply), leaderId);
1509 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1511 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1512 shardManager.tell(new RoleChangeNotification(newReplicaId,
1513 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1514 shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
1515 DataStoreVersions.CURRENT_VERSION), mockShardActor);
1517 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1519 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1521 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1522 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1524 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1525 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1527 // Send message again to verify previous in progress state is cleared
1529 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1530 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1531 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1533 // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
1535 shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
1536 shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
1537 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1538 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1539 expectMsgClass(duration("5 seconds"), Failure.class);
1541 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1542 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1545 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
1549 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1550 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
1551 new JavaTestKit(getSystem()) {{
1552 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1553 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1555 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1556 shardManager.tell(new ActorInitialized(), mockShardActor);
1557 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1558 DataStoreVersions.CURRENT_VERSION), getRef());
1559 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1560 RaftState.Leader.name())), mockShardActor);
1562 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1563 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1564 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1566 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1567 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1570 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
1574 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1575 LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
1576 new JavaTestKit(getSystem()) {{
1577 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1579 MockConfiguration mockConfig =
1580 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1581 put("astronauts", Arrays.asList("member-2")).build());
1583 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1584 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1585 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1586 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1588 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1590 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1591 terminateWatcher.watch(mockNewReplicaShardActor);
1593 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1595 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1596 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1597 addServerMsg.getNewServerId());
1598 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1600 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1601 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1603 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1604 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1606 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1608 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1609 mockShardLeaderKit.expectMsgClass(AddServer.class);
1610 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1611 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1612 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1615 LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
1619 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1620 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1621 AddServer.class, new AddShardReplica("astronauts"));
1625 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1626 LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
1627 datastoreContextBuilder.shardInitializationTimeout(100, TimeUnit.MILLISECONDS);
1628 new JavaTestKit(getSystem()) {{
1629 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1630 put("astronauts", Arrays.asList("member-2")).build());
1632 final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
1633 shardActor(mockShardActor).props(), shardMgrID);
1635 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1636 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2",
1637 AddressFromURIString.parse("akka.tcp://non-existent@127.0.0.1:5").toString());
1639 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1640 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1641 assertEquals("Failure obtained", true,
1642 (resp.cause() instanceof RuntimeException));
1645 LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
1649 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1650 new JavaTestKit(getSystem()) {{
1651 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1652 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1654 shardManager.tell(new RemoveShardReplica("model-inventory", "member-1"), getRef());
1655 Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
1656 assertEquals("Failure obtained", true,
1657 (resp.cause() instanceof PrimaryNotFoundException));
1665 public void testRemoveShardReplicaLocal() throws Exception {
1666 new JavaTestKit(getSystem()) {{
1667 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1669 final TestActorRef<MockRespondActor> respondActor =
1670 TestActorRef.create(getSystem(), Props.create(MockRespondActor.class), memberId);
1672 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
1674 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1675 shardManager.tell(new ActorInitialized(), respondActor);
1676 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1677 DataStoreVersions.CURRENT_VERSION), getRef());
1678 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1679 RaftState.Leader.name())), respondActor);
1681 respondActor.underlyingActor().updateResponse(new RemoveServerReply(ServerChangeStatus.OK, null));
1682 shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, "member-1"), getRef());
1683 final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor, RemoveServer.class);
1684 assertEquals(new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString(),
1685 removeServer.getServerId());
1686 expectMsgClass(duration("5 seconds"), Success.class);
1691 public void testRemoveShardReplicaRemote() throws Exception {
1692 MockConfiguration mockConfig =
1693 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1694 put("default", Arrays.asList("member-1", "member-2")).
1695 put("astronauts", Arrays.asList("member-1")).build());
1697 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1699 // Create an ActorSystem ShardManager actor for member-1.
1700 final ActorSystem system1 = newActorSystem("Member1");
1701 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1702 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1704 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1705 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
1706 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1709 // Create an ActorSystem ShardManager actor for member-2.
1710 final ActorSystem system2 = newActorSystem("Member2");
1711 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1713 String name = new ShardIdentifier("default", "member-2", shardMrgIDSuffix).toString();
1714 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1715 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1717 LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
1719 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1720 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
1721 new ClusterWrapperImpl(system2)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1724 // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
1725 // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
1726 // However when a shard manager has a local shard which is a follower and a leader that is remote it will
1727 // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
1729 // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
1730 // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
1731 // with the address of an actor which does not exist, therefore any message sent to that actor would go to
1733 // To work around this problem we create a ForwardingActor with the right address and pass to it the
1734 // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
1735 // thing works as expected
1736 final ActorRef actorRef = leaderShardManager.underlyingActor().context()
1737 .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
1739 LOG.error("Forwarding actor : {}", actorRef);
1741 new JavaTestKit(system1) {{
1743 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1744 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1746 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1747 newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1749 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
1750 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1751 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1752 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1753 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1754 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1756 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
1757 newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2,
1758 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor);
1759 newReplicaShardManager.tell(new RoleChangeNotification(memberId1,
1760 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1762 newReplicaShardManager.underlyingActor().waitForMemberUp();
1763 leaderShardManager.underlyingActor().waitForMemberUp();
1765 //construct a mock response message
1766 RemoveServerReply response = new RemoveServerReply(ServerChangeStatus.OK, memberId2);
1767 mockShardLeaderActor.underlyingActor().updateResponse(response);
1768 newReplicaShardManager.tell(new RemoveShardReplica("default", "member-1"), getRef());
1769 RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1770 RemoveServer.class);
1771 String removeServerId = new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString();
1772 assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
1773 expectMsgClass(duration("5 seconds"), Status.Success.class);
1779 public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
1780 testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", "member-2"),
1781 RemoveServer.class, new RemoveShardReplica("astronauts", "member-3"));
1785 public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
1786 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1787 AddServer.class, new RemoveShardReplica("astronauts", "member-2"));
1791 public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
1792 final Class<?> firstForwardedServerChangeClass,
1793 final Object secondServerChange) throws Exception {
1794 new JavaTestKit(getSystem()) {{
1795 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1796 JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1798 MockConfiguration mockConfig =
1799 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1800 put(shardName, Arrays.asList("member-2")).build());
1802 final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1803 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor).cluster(
1804 new MockClusterWrapper()).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1807 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1809 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1811 shardManager.tell(firstServerChange, getRef());
1813 mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
1815 shardManager.tell(secondServerChange, secondRequestKit.getRef());
1817 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1822 public void testServerRemovedShardActorNotRunning() throws Exception {
1823 LOG.info("testServerRemovedShardActorNotRunning starting");
1824 new JavaTestKit(getSystem()) {{
1825 MockConfiguration mockConfig =
1826 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1827 put("default", Arrays.asList("member-1", "member-2")).
1828 put("astronauts", Arrays.asList("member-2")).
1829 put("people", Arrays.asList("member-1", "member-2")).build());
1831 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
1833 shardManager.underlyingActor().waitForRecoveryComplete();
1834 shardManager.tell(new FindLocalShard("people", false), getRef());
1835 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1837 shardManager.tell(new FindLocalShard("default", false), getRef());
1838 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1840 // Removed the default shard replica from member-1
1841 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1842 ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type(shardMrgIDSuffix).build();
1843 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1845 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1848 LOG.info("testServerRemovedShardActorNotRunning ending");
1852 public void testServerRemovedShardActorRunning() throws Exception {
1853 LOG.info("testServerRemovedShardActorRunning starting");
1854 new JavaTestKit(getSystem()) {{
1855 MockConfiguration mockConfig =
1856 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1857 put("default", Arrays.asList("member-1", "member-2")).
1858 put("astronauts", Arrays.asList("member-2")).
1859 put("people", Arrays.asList("member-1", "member-2")).build());
1861 String shardId = ShardIdentifier.builder().shardName("default").memberName("member-1").
1862 type(shardMrgIDSuffix).build().toString();
1863 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(
1864 MessageCollectorActor.props(), shardId);
1866 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1867 newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1869 shardManager.underlyingActor().waitForRecoveryComplete();
1871 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1872 shardManager.tell(new ActorInitialized(), shard);
1874 waitForShardInitialized(shardManager, "people", this);
1875 waitForShardInitialized(shardManager, "default", this);
1877 // Removed the default shard replica from member-1
1878 shardManager.tell(new ServerRemoved(shardId), getRef());
1880 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1882 MessageCollectorActor.expectFirstMatching(shard, Shutdown.class);
1885 LOG.info("testServerRemovedShardActorRunning ending");
1890 public void testShardPersistenceWithRestoredData() throws Exception {
1891 LOG.info("testShardPersistenceWithRestoredData starting");
1892 new JavaTestKit(getSystem()) {{
1893 MockConfiguration mockConfig =
1894 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1895 put("default", Arrays.asList("member-1", "member-2")).
1896 put("astronauts", Arrays.asList("member-2")).
1897 put("people", Arrays.asList("member-1", "member-2")).build());
1898 String[] restoredShards = {"default", "astronauts"};
1899 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1900 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1902 //create shardManager to come up with restored data
1903 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory.createTestActor(
1904 newShardMgrProps(mockConfig));
1906 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1908 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1909 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1910 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1912 //Verify a local shard is created for the restored shards,
1913 //although we expect a NotInitializedException for the shards as the actor initialization
1914 //message is not sent for them
1915 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1916 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1918 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1919 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1922 LOG.info("testShardPersistenceWithRestoredData ending");
1926 public void testShutDown() throws Exception {
1927 LOG.info("testShutDown starting");
1928 new JavaTestKit(getSystem()) {{
1929 MockConfiguration mockConfig =
1930 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1931 put("shard1", Arrays.asList("member-1")).
1932 put("shard2", Arrays.asList("member-1")).build());
1934 String shardId1 = ShardIdentifier.builder().shardName("shard1").memberName("member-1").
1935 type(shardMrgIDSuffix).build().toString();
1936 TestActorRef<MessageCollectorActor> shard1 = actorFactory.createTestActor(
1937 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId1);
1939 String shardId2 = ShardIdentifier.builder().shardName("shard2").memberName("member-1").
1940 type(shardMrgIDSuffix).build().toString();
1941 TestActorRef<MessageCollectorActor> shard2 = actorFactory.createTestActor(
1942 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId2);
1944 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(
1945 mockConfig).addShardActor("shard1", shard1).addShardActor("shard2", shard2).props().
1946 withDispatcher(Dispatchers.DefaultDispatcherId()));
1948 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1949 shardManager.tell(new ActorInitialized(), shard1);
1950 shardManager.tell(new ActorInitialized(), shard2);
1952 FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
1953 Future<Boolean> stopFuture = Patterns.gracefulStop(shardManager, duration, Shutdown.INSTANCE);
1955 MessageCollectorActor.expectFirstMatching(shard1, Shutdown.class);
1956 MessageCollectorActor.expectFirstMatching(shard2, Shutdown.class);
1959 Await.ready(stopFuture, FiniteDuration.create(500, TimeUnit.MILLISECONDS));
1960 fail("ShardManager actor stopped without waiting for the Shards to be stopped");
1961 } catch(TimeoutException e) {
1965 actorFactory.killActor(shard1, this);
1966 actorFactory.killActor(shard2, this);
1968 Boolean stopped = Await.result(stopFuture, duration);
1969 assertEquals("Stopped", Boolean.TRUE, stopped);
1972 LOG.info("testShutDown ending");
1975 private static class TestShardManager extends ShardManager {
1976 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
1977 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1978 private ShardManagerSnapshot snapshot;
1979 private final Map<String, ActorRef> shardActors;
1980 private final ActorRef shardActor;
1981 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
1982 private CountDownLatch memberUpReceived = new CountDownLatch(1);
1983 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
1984 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
1985 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
1986 private volatile MessageInterceptor messageInterceptor;
1988 private TestShardManager(Builder builder) {
1990 shardActor = builder.shardActor;
1991 shardActors = builder.shardActors;
1995 public void handleRecover(Object message) throws Exception {
1997 super.handleRecover(message);
1999 if(message instanceof RecoveryCompleted) {
2000 recoveryComplete.countDown();
2006 public void handleCommand(Object message) throws Exception {
2008 if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
2009 getSender().tell(messageInterceptor.apply(message), getSelf());
2011 super.handleCommand(message);
2014 if(message instanceof FindPrimary) {
2015 findPrimaryMessageReceived.countDown();
2016 } else if(message instanceof ClusterEvent.MemberUp) {
2017 String role = ((ClusterEvent.MemberUp)message).member().roles().iterator().next();
2018 if(!getCluster().getCurrentMemberName().equals(role)) {
2019 memberUpReceived.countDown();
2021 } else if(message instanceof ClusterEvent.MemberRemoved) {
2022 String role = ((ClusterEvent.MemberRemoved)message).member().roles().iterator().next();
2023 if(!getCluster().getCurrentMemberName().equals(role)) {
2024 memberRemovedReceived.countDown();
2026 } else if(message instanceof ClusterEvent.UnreachableMember) {
2027 String role = ((ClusterEvent.UnreachableMember)message).member().roles().iterator().next();
2028 if(!getCluster().getCurrentMemberName().equals(role)) {
2029 memberUnreachableReceived.countDown();
2031 } else if(message instanceof ClusterEvent.ReachableMember) {
2032 String role = ((ClusterEvent.ReachableMember)message).member().roles().iterator().next();
2033 if(!getCluster().getCurrentMemberName().equals(role)) {
2034 memberReachableReceived.countDown();
2040 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
2041 this.messageInterceptor = messageInterceptor;
2044 void waitForRecoveryComplete() {
2045 assertEquals("Recovery complete", true,
2046 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
2049 void waitForMemberUp() {
2050 assertEquals("MemberUp received", true,
2051 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
2052 memberUpReceived = new CountDownLatch(1);
2055 void waitForMemberRemoved() {
2056 assertEquals("MemberRemoved received", true,
2057 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
2058 memberRemovedReceived = new CountDownLatch(1);
2061 void waitForUnreachableMember() {
2062 assertEquals("UnreachableMember received", true,
2063 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
2065 memberUnreachableReceived = new CountDownLatch(1);
2068 void waitForReachableMember() {
2069 assertEquals("ReachableMember received", true,
2070 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
2071 memberReachableReceived = new CountDownLatch(1);
2074 void verifyFindPrimary() {
2075 assertEquals("FindPrimary received", true,
2076 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
2077 findPrimaryMessageReceived = new CountDownLatch(1);
2080 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
2081 return new Builder(datastoreContextBuilder);
2084 private static class Builder extends AbstractGenericBuilder<Builder, TestShardManager> {
2085 private ActorRef shardActor;
2086 private final Map<String, ActorRef> shardActors = new HashMap<>();
2088 Builder(DatastoreContext.Builder datastoreContextBuilder) {
2089 super(TestShardManager.class);
2090 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
2093 Builder shardActor(ActorRef shardActor) {
2094 this.shardActor = shardActor;
2098 Builder addShardActor(String shardName, ActorRef actorRef){
2099 shardActors.put(shardName, actorRef);
2105 public void saveSnapshot(Object obj) {
2106 snapshot = (ShardManagerSnapshot) obj;
2107 snapshotPersist.countDown();
2108 super.saveSnapshot(obj);
2111 void verifySnapshotPersisted(Set<String> shardList) {
2112 assertEquals("saveSnapshot invoked", true,
2113 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
2114 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
2118 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
2119 if(shardActors.get(info.getShardName()) != null){
2120 return shardActors.get(info.getShardName());
2123 if(shardActor != null) {
2127 return super.newShardActor(schemaContext, info);
2131 private static abstract class AbstractGenericBuilder<T extends AbstractGenericBuilder<T, ?>, C extends ShardManager>
2132 extends ShardManager.AbstractBuilder<T> {
2133 private final Class<C> shardManagerClass;
2135 AbstractGenericBuilder(Class<C> shardManagerClass) {
2136 this.shardManagerClass = shardManagerClass;
2137 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).
2138 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
2142 public Props props() {
2144 return Props.create(shardManagerClass, this);
2148 private static class GenericBuilder<C extends ShardManager> extends AbstractGenericBuilder<GenericBuilder<C>, C> {
2149 GenericBuilder(Class<C> shardManagerClass) {
2150 super(shardManagerClass);
2154 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
2155 private static final long serialVersionUID = 1L;
2156 private final Creator<ShardManager> delegate;
2158 public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
2159 this.delegate = delegate;
2163 public ShardManager create() throws Exception {
2164 return delegate.create();
2168 interface MessageInterceptor extends Function<Object, Object> {
2169 boolean canIntercept(Object message);
2172 private static MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
2173 return new MessageInterceptor(){
2175 public Object apply(Object message) {
2176 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
2180 public boolean canIntercept(Object message) {
2181 return message instanceof FindPrimary;
2186 private static class MockRespondActor extends MessageCollectorActor {
2187 static final String CLEAR_RESPONSE = "clear-response";
2188 static final org.slf4j.Logger LOG = LoggerFactory.getLogger(MockRespondActor.class);
2190 private volatile Object responseMsg;
2192 @SuppressWarnings("unused")
2193 public MockRespondActor() {
2196 @SuppressWarnings("unused")
2197 public MockRespondActor(Object responseMsg) {
2198 this.responseMsg = responseMsg;
2201 public void updateResponse(Object response) {
2202 responseMsg = response;
2206 public void onReceive(Object message) throws Exception {
2207 if(!"get-all-messages".equals(message)) {
2208 LOG.debug("Received message : {}", message);
2210 super.onReceive(message);
2211 if (message instanceof AddServer && responseMsg != null) {
2212 getSender().tell(responseMsg, getSelf());
2213 } else if(message instanceof RemoveServer && responseMsg != null){
2214 getSender().tell(responseMsg, getSelf());
2215 } else if(message.equals(CLEAR_RESPONSE)) {