2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.datastore.shardmanager;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertNull;
14 import static org.junit.Assert.assertSame;
15 import static org.junit.Assert.assertTrue;
16 import static org.junit.Assert.fail;
17 import static org.mockito.Mockito.mock;
18 import static org.mockito.Mockito.never;
19 import static org.mockito.Mockito.times;
20 import static org.mockito.Mockito.verify;
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.AbstractActorTest;
69 import org.opendaylight.controller.cluster.datastore.ClusterWrapperImpl;
70 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
71 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
72 import org.opendaylight.controller.cluster.datastore.DatastoreContextFactory;
73 import org.opendaylight.controller.cluster.datastore.Shard;
74 import org.opendaylight.controller.cluster.datastore.ShardManager.SchemaContextModules;
75 import org.opendaylight.controller.cluster.datastore.ShardManagerSnapshot;
76 import org.opendaylight.controller.cluster.datastore.config.Configuration;
77 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
78 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
79 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
80 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
81 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
82 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
83 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
84 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
85 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
86 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
87 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
88 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
89 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
90 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
91 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
92 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
93 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
94 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
95 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
96 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
97 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
98 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
99 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
100 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
101 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
102 import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
103 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
104 import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
105 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
106 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
107 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
108 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
109 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
110 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
111 import org.opendaylight.controller.cluster.raft.RaftState;
112 import org.opendaylight.controller.cluster.raft.TestActorFactory;
113 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
114 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
115 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
116 import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
117 import org.opendaylight.controller.cluster.raft.messages.AddServer;
118 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
119 import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
120 import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
121 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
122 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
123 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
124 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
125 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
126 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
127 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
128 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
129 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
130 import org.slf4j.Logger;
131 import org.slf4j.LoggerFactory;
132 import scala.concurrent.Await;
133 import scala.concurrent.Future;
134 import scala.concurrent.duration.FiniteDuration;
136 public class ShardManagerTest extends AbstractActorTest {
137 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
139 private static int ID_COUNTER = 1;
141 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
142 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
145 private static CountDownLatch ready;
147 private static TestActorRef<MessageCollectorActor> mockShardActor;
149 private static String mockShardName;
151 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
152 dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
153 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
155 private final Collection<ActorSystem> actorSystems = new ArrayList<>();
157 private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
160 public void setUp() {
161 MockitoAnnotations.initMocks(this);
163 InMemoryJournal.clear();
164 InMemorySnapshotStore.clear();
166 if(mockShardActor == null) {
167 mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
168 mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), mockShardName);
171 mockShardActor.underlyingActor().clear();
175 public void tearDown() {
176 InMemoryJournal.clear();
177 InMemorySnapshotStore.clear();
179 for(ActorSystem system: actorSystems) {
180 JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
183 actorFactory.close();
186 private ActorSystem newActorSystem(String config) {
187 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
188 actorSystems.add(system);
192 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
193 String name = new ShardIdentifier(shardName, memberName,"config").toString();
194 if(system == getSystem()) {
195 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
198 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
201 private Props newShardMgrProps() {
202 return newShardMgrProps(new MockConfiguration());
205 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
206 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
207 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
208 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
212 private TestShardManager.Builder newTestShardMgrBuilder() {
213 return TestShardManager.builder(datastoreContextBuilder);
216 private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
217 return TestShardManager.builder(datastoreContextBuilder).configuration(config);
220 private Props newShardMgrProps(Configuration config) {
221 return newTestShardMgrBuilder(config).props();
224 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
225 return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
228 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
229 return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
233 private Props newPropsShardMgrWithMockShardActor() {
234 return newTestShardMgrBuilderWithMockShardActor().props();
237 private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
238 return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
242 private TestShardManager newTestShardManager() {
243 return newTestShardManager(newShardMgrProps());
246 private TestShardManager newTestShardManager(Props props) {
247 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
248 TestShardManager shardManager = shardManagerActor.underlyingActor();
249 shardManager.waitForRecoveryComplete();
253 private static void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
254 AssertionError last = null;
255 Stopwatch sw = Stopwatch.createStarted();
256 while(sw.elapsed(TimeUnit.SECONDS) <= 5) {
258 shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
259 kit.expectMsgClass(LocalShardFound.class);
261 } catch(AssertionError e) {
265 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
271 private static <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
272 Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
273 if(reply instanceof Failure) {
274 throw new AssertionError(msg + " failed", ((Failure)reply).cause());
281 public void testPerShardDatastoreContext() throws Exception {
282 LOG.info("testPerShardDatastoreContext starting");
283 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
284 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
286 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
287 shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
289 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
290 shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
292 final MockConfiguration mockConfig = new MockConfiguration() {
294 public Collection<String> getMemberShardNames(String memberName) {
295 return Arrays.asList("default", "topology");
299 public Collection<String> getMembersFromShardName(String shardName) {
300 return Arrays.asList("member-1");
304 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
305 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
306 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
307 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
309 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
310 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
311 shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
312 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
314 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
315 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
316 class LocalShardManager extends ShardManager {
317 public LocalShardManager(AbstractBuilder<?> builder) {
322 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
323 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
326 ref = entry.getKey();
327 entry.setValue(info.getDatastoreContext());
330 newShardActorLatch.countDown();
335 final Creator<ShardManager> creator = new Creator<ShardManager>() {
336 private static final long serialVersionUID = 1L;
338 public ShardManager create() throws Exception {
339 return new LocalShardManager(new GenericBuilder<LocalShardManager>(LocalShardManager.class).
340 datastoreContextFactory(mockFactory).primaryShardInfoCache(primaryShardInfoCache).
341 configuration(mockConfig));
345 JavaTestKit kit = new JavaTestKit(getSystem());
347 final ActorRef shardManager = actorFactory.createActor(Props.create(
348 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
350 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
352 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
353 assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
354 getShardElectionTimeoutFactor());
355 assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
356 getShardElectionTimeoutFactor());
358 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
359 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
360 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
361 shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
363 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
364 shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
366 shardManager.tell(newMockFactory, kit.getRef());
368 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
369 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
371 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
372 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
374 LOG.info("testPerShardDatastoreContext ending");
378 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
379 new JavaTestKit(getSystem()) {{
380 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
382 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
384 shardManager.tell(new FindPrimary("non-existent", false), getRef());
386 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
391 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
392 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
393 new JavaTestKit(getSystem()) {{
394 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
396 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
398 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
399 shardManager.tell(new ActorInitialized(), mockShardActor);
401 DataTree mockDataTree = mock(DataTree.class);
402 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
403 DataStoreVersions.CURRENT_VERSION), getRef());
405 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
406 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
407 RaftState.Leader.name())), mockShardActor);
409 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
411 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
412 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
413 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
414 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
417 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
421 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
422 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
423 new JavaTestKit(getSystem()) {{
424 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
426 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
427 shardManager.tell(new ActorInitialized(), mockShardActor);
429 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
430 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
431 shardManager.tell(new RoleChangeNotification(memberId1,
432 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
433 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
435 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
437 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
440 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
444 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
445 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
446 new JavaTestKit(getSystem()) {{
447 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
449 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
450 shardManager.tell(new ActorInitialized(), mockShardActor);
452 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
453 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
455 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
456 shardManager.tell(new RoleChangeNotification(memberId1,
457 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
458 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
459 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
460 leaderVersion), mockShardActor);
462 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
464 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
465 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
466 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
467 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
470 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
474 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
475 new JavaTestKit(getSystem()) {{
476 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
478 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
480 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
485 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
486 new JavaTestKit(getSystem()) {{
487 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
489 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
490 shardManager.tell(new ActorInitialized(), mockShardActor);
492 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
494 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
499 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
500 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
501 new JavaTestKit(getSystem()) {{
502 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
504 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
505 shardManager.tell(new ActorInitialized(), mockShardActor);
507 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
508 shardManager.tell(new RoleChangeNotification(memberId,
509 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
511 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
513 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
515 DataTree mockDataTree = mock(DataTree.class);
516 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
517 DataStoreVersions.CURRENT_VERSION), mockShardActor);
519 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
521 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
522 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
523 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
524 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
527 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
531 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
532 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
533 datastoreContextBuilder.shardInitializationTimeout(10, TimeUnit.SECONDS);
534 new JavaTestKit(getSystem()) {{
535 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
537 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
539 // We're passing waitUntilInitialized = true to FindPrimary so the response should be
540 // delayed until we send ActorInitialized and RoleChangeNotification.
541 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
543 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
545 shardManager.tell(new ActorInitialized(), mockShardActor);
547 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
549 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
550 shardManager.tell(new RoleChangeNotification(memberId,
551 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
553 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
555 DataTree mockDataTree = mock(DataTree.class);
556 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
557 DataStoreVersions.CURRENT_VERSION), mockShardActor);
559 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
560 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
561 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
562 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
564 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
567 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
571 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
572 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
573 new JavaTestKit(getSystem()) {{
574 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
576 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
578 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
580 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
582 shardManager.tell(new ActorInitialized(), mockShardActor);
584 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
587 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
591 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
592 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
593 new JavaTestKit(getSystem()) {{
594 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
596 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
597 shardManager.tell(new ActorInitialized(), mockShardActor);
598 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
599 null, RaftState.Candidate.name()), mockShardActor);
601 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
603 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
606 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
610 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
611 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
612 new JavaTestKit(getSystem()) {{
613 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
615 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
616 shardManager.tell(new ActorInitialized(), mockShardActor);
617 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
618 null, RaftState.IsolatedLeader.name()), mockShardActor);
620 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
622 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
625 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
629 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
630 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
631 new JavaTestKit(getSystem()) {{
632 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
634 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
635 shardManager.tell(new ActorInitialized(), mockShardActor);
637 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
639 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
642 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
646 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
647 LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
648 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
650 // Create an ActorSystem ShardManager actor for member-1.
652 final ActorSystem system1 = newActorSystem("Member1");
653 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
655 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
656 newTestShardMgrBuilderWithMockShardActor().cluster(
657 new ClusterWrapperImpl(system1)).props().withDispatcher(
658 Dispatchers.DefaultDispatcherId()), shardManagerID);
660 // Create an ActorSystem ShardManager actor for member-2.
662 final ActorSystem system2 = newActorSystem("Member2");
664 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
666 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
668 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
669 put("default", Arrays.asList("member-1", "member-2")).
670 put("astronauts", Arrays.asList("member-2")).build());
672 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
673 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
674 new ClusterWrapperImpl(system2)).props().withDispatcher(
675 Dispatchers.DefaultDispatcherId()), shardManagerID);
677 new JavaTestKit(system1) {{
679 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
680 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
682 shardManager2.tell(new ActorInitialized(), mockShardActor2);
684 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
685 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
686 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
687 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor2);
688 shardManager2.tell(new RoleChangeNotification(memberId2,
689 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
691 shardManager1.underlyingActor().waitForMemberUp();
693 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
695 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
696 String path = found.getPrimaryPath();
697 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
698 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
700 shardManager2.underlyingActor().verifyFindPrimary();
702 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
704 shardManager1.underlyingActor().waitForMemberRemoved();
706 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
708 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
711 LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
715 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
716 LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
717 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
719 // Create an ActorSystem ShardManager actor for member-1.
721 final ActorSystem system1 = newActorSystem("Member1");
722 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
724 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
726 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
727 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
728 new ClusterWrapperImpl(system1)).props().withDispatcher(
729 Dispatchers.DefaultDispatcherId()), shardManagerID);
731 // Create an ActorSystem ShardManager actor for member-2.
733 final ActorSystem system2 = newActorSystem("Member2");
735 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
737 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
739 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
740 put("default", Arrays.asList("member-1", "member-2")).build());
742 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
743 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
744 new ClusterWrapperImpl(system2)).props().withDispatcher(
745 Dispatchers.DefaultDispatcherId()), shardManagerID);
747 new JavaTestKit(system1) {{
749 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
750 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
751 shardManager1.tell(new ActorInitialized(), mockShardActor1);
752 shardManager2.tell(new ActorInitialized(), mockShardActor2);
754 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
755 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
756 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
757 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
758 shardManager1.tell(new RoleChangeNotification(memberId1,
759 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
760 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
761 DataStoreVersions.CURRENT_VERSION),
763 shardManager2.tell(new RoleChangeNotification(memberId2,
764 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
765 shardManager1.underlyingActor().waitForMemberUp();
767 shardManager1.tell(new FindPrimary("default", true), getRef());
769 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
770 String path = found.getPrimaryPath();
771 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
773 shardManager1.tell(MockClusterWrapper.
774 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
776 shardManager1.underlyingActor().waitForUnreachableMember();
778 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
779 assertEquals("getMemberName", "member-2", peerDown.getMemberName());
780 MessageCollectorActor.clearMessages(mockShardActor1);
782 shardManager1.tell(MockClusterWrapper.
783 createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
785 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
787 shardManager1.tell(new FindPrimary("default", true), getRef());
789 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
791 shardManager1.tell(MockClusterWrapper.
792 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
794 shardManager1.underlyingActor().waitForReachableMember();
796 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
797 assertEquals("getMemberName", "member-2", peerUp.getMemberName());
798 MessageCollectorActor.clearMessages(mockShardActor1);
800 shardManager1.tell(new FindPrimary("default", true), getRef());
802 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
803 String path1 = found1.getPrimaryPath();
804 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
806 shardManager1.tell(MockClusterWrapper.
807 createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
809 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
811 // Test FindPrimary wait succeeds after reachable member event.
813 shardManager1.tell(MockClusterWrapper.
814 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
815 shardManager1.underlyingActor().waitForUnreachableMember();
817 shardManager1.tell(new FindPrimary("default", true), getRef());
819 shardManager1.tell(MockClusterWrapper.
820 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
822 RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
823 String path2 = found2.getPrimaryPath();
824 assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
827 LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
831 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
832 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange starting");
833 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
835 // Create an ActorSystem ShardManager actor for member-1.
837 final ActorSystem system1 = newActorSystem("Member1");
838 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
840 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
842 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
843 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
844 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
845 new ClusterWrapperImpl(system1)).primaryShardInfoCache(primaryShardInfoCache).props().
846 withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
848 // Create an ActorSystem ShardManager actor for member-2.
850 final ActorSystem system2 = newActorSystem("Member2");
852 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
854 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
856 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
857 put("default", Arrays.asList("member-1", "member-2")).build());
859 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
860 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
861 new ClusterWrapperImpl(system2)).props().withDispatcher(
862 Dispatchers.DefaultDispatcherId()), shardManagerID);
864 new JavaTestKit(system1) {{
865 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
866 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
867 shardManager1.tell(new ActorInitialized(), mockShardActor1);
868 shardManager2.tell(new ActorInitialized(), mockShardActor2);
870 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
871 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
872 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
873 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
874 shardManager1.tell(new RoleChangeNotification(memberId1,
875 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
876 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
877 DataStoreVersions.CURRENT_VERSION),
879 shardManager2.tell(new RoleChangeNotification(memberId2,
880 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
881 shardManager1.underlyingActor().waitForMemberUp();
883 shardManager1.tell(new FindPrimary("default", true), getRef());
885 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
886 String path = found.getPrimaryPath();
887 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
889 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
890 mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
892 shardManager1.tell(MockClusterWrapper.
893 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
895 shardManager1.underlyingActor().waitForUnreachableMember();
897 shardManager1.tell(new FindPrimary("default", true), getRef());
899 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
901 assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
903 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
904 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
905 shardManager1.tell(new RoleChangeNotification(memberId1,
906 RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
908 shardManager1.tell(new FindPrimary("default", true), getRef());
910 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
911 String path1 = found1.getPrimaryPath();
912 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
916 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
921 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
922 new JavaTestKit(getSystem()) {{
923 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
925 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
927 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
929 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
931 assertEquals("getShardName", "non-existent", notFound.getShardName());
936 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
937 new JavaTestKit(getSystem()) {{
938 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
940 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
941 shardManager.tell(new ActorInitialized(), mockShardActor);
943 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
945 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
947 assertTrue("Found path contains " + found.getPath().path().toString(),
948 found.getPath().path().toString().contains("member-1-shard-default-config"));
953 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
954 new JavaTestKit(getSystem()) {{
955 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
957 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
959 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
964 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
965 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
966 new JavaTestKit(getSystem()) {{
967 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
969 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
971 // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
972 // delayed until we send ActorInitialized.
973 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
974 new Timeout(5, TimeUnit.SECONDS));
976 shardManager.tell(new ActorInitialized(), mockShardActor);
978 Object resp = Await.result(future, duration("5 seconds"));
979 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
982 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
986 public void testOnRecoveryJournalIsCleaned() {
987 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
988 InMemoryJournal.addEntry(persistenceID, 1L, new SchemaContextModules(ImmutableSet.of("foo")));
989 InMemoryJournal.addEntry(persistenceID, 2L, new SchemaContextModules(ImmutableSet.of("bar")));
990 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
992 TestShardManager shardManager = newTestShardManager();
994 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
996 // Journal entries up to the last one should've been deleted
997 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
998 synchronized (journal) {
999 assertEquals("Journal size", 0, journal.size());
1004 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
1005 TestShardManager shardManager = newTestShardManager();
1007 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1008 shardManager.onReceiveCommand(new RoleChangeNotification(
1009 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
1011 verify(ready, never()).countDown();
1013 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
1014 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
1016 verify(ready, times(1)).countDown();
1020 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
1021 new JavaTestKit(getSystem()) {{
1022 TestShardManager shardManager = newTestShardManager();
1024 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1025 shardManager.onReceiveCommand(new RoleChangeNotification(
1026 memberId, null, RaftState.Follower.name()));
1028 verify(ready, never()).countDown();
1030 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1032 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1033 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1034 DataStoreVersions.CURRENT_VERSION));
1036 verify(ready, times(1)).countDown();
1041 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
1042 new JavaTestKit(getSystem()) {{
1043 TestShardManager shardManager = newTestShardManager();
1045 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1046 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1048 verify(ready, never()).countDown();
1050 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1051 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1052 DataStoreVersions.CURRENT_VERSION));
1054 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1056 verify(ready, times(1)).countDown();
1061 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
1062 TestShardManager shardManager = newTestShardManager();
1064 shardManager.onReceiveCommand(new RoleChangeNotification(
1065 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
1067 verify(ready, never()).countDown();
1071 public void testByDefaultSyncStatusIsFalse() throws Exception{
1072 TestShardManager shardManager = newTestShardManager();
1074 assertEquals(false, shardManager.getMBean().getSyncStatus());
1078 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
1079 TestShardManager shardManager = newTestShardManager();
1081 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
1082 RaftState.Follower.name(), RaftState.Leader.name()));
1084 assertEquals(true, shardManager.getMBean().getSyncStatus());
1088 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
1089 TestShardManager shardManager = newTestShardManager();
1091 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1092 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1093 RaftState.Follower.name(), RaftState.Candidate.name()));
1095 assertEquals(false, shardManager.getMBean().getSyncStatus());
1097 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
1098 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
1101 assertEquals(false, shardManager.getMBean().getSyncStatus());
1105 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
1106 TestShardManager shardManager = newTestShardManager();
1108 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1109 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1110 RaftState.Candidate.name(), RaftState.Follower.name()));
1112 // Initially will be false
1113 assertEquals(false, shardManager.getMBean().getSyncStatus());
1115 // Send status true will make sync status true
1116 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1118 assertEquals(true, shardManager.getMBean().getSyncStatus());
1120 // Send status false will make sync status false
1121 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1123 assertEquals(false, shardManager.getMBean().getSyncStatus());
1128 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
1129 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
1130 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1132 public List<String> getMemberShardNames(String memberName) {
1133 return Arrays.asList("default", "astronauts");
1137 // Initially will be false
1138 assertEquals(false, shardManager.getMBean().getSyncStatus());
1140 // Make default shard leader
1141 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1142 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1143 RaftState.Follower.name(), RaftState.Leader.name()));
1145 // default = Leader, astronauts is unknown so sync status remains false
1146 assertEquals(false, shardManager.getMBean().getSyncStatus());
1148 // Make astronauts shard leader as well
1149 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1150 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1151 RaftState.Follower.name(), RaftState.Leader.name()));
1153 // Now sync status should be true
1154 assertEquals(true, shardManager.getMBean().getSyncStatus());
1156 // Make astronauts a Follower
1157 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1158 RaftState.Leader.name(), RaftState.Follower.name()));
1160 // Sync status is not true
1161 assertEquals(false, shardManager.getMBean().getSyncStatus());
1163 // Make the astronauts follower sync status true
1164 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1166 // Sync status is now true
1167 assertEquals(true, shardManager.getMBean().getSyncStatus());
1169 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
1173 public void testOnReceiveSwitchShardBehavior() throws Exception {
1174 new JavaTestKit(getSystem()) {{
1175 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1177 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1178 shardManager.tell(new ActorInitialized(), mockShardActor);
1180 shardManager.tell(new SwitchShardBehavior(mockShardName, RaftState.Leader, 1000), getRef());
1182 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
1184 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1185 assertEquals(1000, switchBehavior.getNewTerm());
1190 public void testOnCreateShard() {
1191 LOG.info("testOnCreateShard starting");
1192 new JavaTestKit(getSystem()) {{
1193 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1195 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1196 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1198 SchemaContext schemaContext = TestModel.createTestContext();
1199 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1201 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
1202 persistent(false).build();
1203 Shard.Builder shardBuilder = Shard.builder();
1205 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1206 "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
1207 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1209 expectMsgClass(duration("5 seconds"), Success.class);
1211 shardManager.tell(new FindLocalShard("foo", true), getRef());
1213 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1215 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1216 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
1217 getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1218 assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
1219 new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
1220 shardBuilder.getPeerAddresses().keySet());
1221 assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
1222 shardBuilder.getId());
1223 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1225 // Send CreateShard with same name - should return Success with a message.
1227 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1229 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1230 assertNotNull("Success status is null", success.status());
1233 LOG.info("testOnCreateShard ending");
1237 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1238 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
1239 new JavaTestKit(getSystem()) {{
1240 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1242 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1243 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1245 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1247 Shard.Builder shardBuilder = Shard.builder();
1248 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1249 "foo", null, Arrays.asList("member-5", "member-6"));
1251 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1252 expectMsgClass(duration("5 seconds"), Success.class);
1254 shardManager.tell(new FindLocalShard("foo", true), getRef());
1255 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1257 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1258 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
1259 shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1262 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
1266 public void testOnCreateShardWithNoInitialSchemaContext() {
1267 LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
1268 new JavaTestKit(getSystem()) {{
1269 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1270 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1272 Shard.Builder shardBuilder = Shard.builder();
1274 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1275 "foo", null, Arrays.asList("member-1"));
1276 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1278 expectMsgClass(duration("5 seconds"), Success.class);
1280 SchemaContext schemaContext = TestModel.createTestContext();
1281 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1283 shardManager.tell(new FindLocalShard("foo", true), getRef());
1285 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1287 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1288 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1291 LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
1295 public void testGetSnapshot() throws Throwable {
1296 LOG.info("testGetSnapshot starting");
1297 JavaTestKit kit = new JavaTestKit(getSystem());
1299 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1300 put("shard1", Arrays.asList("member-1")).
1301 put("shard2", Arrays.asList("member-1")).
1302 put("astronauts", Collections.<String>emptyList()).build());
1304 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig).
1305 withDispatcher(Dispatchers.DefaultDispatcherId()));
1307 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1308 Failure failure = kit.expectMsgClass(Failure.class);
1309 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1311 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1313 waitForShardInitialized(shardManager, "shard1", kit);
1314 waitForShardInitialized(shardManager, "shard2", kit);
1316 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1318 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1320 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1321 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1323 Function<ShardSnapshot, String> shardNameTransformer = new Function<ShardSnapshot, String>() {
1325 public String apply(ShardSnapshot s) {
1330 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1331 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1333 // Add a new replica
1335 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1337 TestShardManager shardManagerInstance = shardManager.underlyingActor();
1338 shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1340 shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
1341 mockShardLeaderKit.expectMsgClass(AddServer.class);
1342 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
1343 kit.expectMsgClass(Status.Success.class);
1344 waitForShardInitialized(shardManager, "astronauts", kit);
1346 // Send another GetSnapshot and verify
1348 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1349 datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1351 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
1352 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1354 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1355 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1356 ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
1357 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1358 Sets.newHashSet(snapshot.getShardList()));
1360 LOG.info("testGetSnapshot ending");
1364 public void testRestoreFromSnapshot() throws Throwable {
1365 LOG.info("testRestoreFromSnapshot starting");
1367 datastoreContextBuilder.shardInitializationTimeout(3, TimeUnit.SECONDS);
1369 JavaTestKit kit = new JavaTestKit(getSystem());
1371 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1372 put("shard1", Collections.<String>emptyList()).
1373 put("shard2", Collections.<String>emptyList()).
1374 put("astronauts", Collections.<String>emptyList()).build());
1377 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
1378 DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
1379 SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
1380 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig).
1381 restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
1383 shardManager.underlyingActor().waitForRecoveryComplete();
1385 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1387 waitForShardInitialized(shardManager, "shard1", kit);
1388 waitForShardInitialized(shardManager, "shard2", kit);
1389 waitForShardInitialized(shardManager, "astronauts", kit);
1391 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1393 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1395 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1397 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1398 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1399 snapshot = SerializationUtils.deserialize(snapshotBytes);
1400 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1401 Sets.newHashSet(snapshot.getShardList()));
1403 LOG.info("testRestoreFromSnapshot ending");
1407 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1408 new JavaTestKit(getSystem()) {{
1409 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1410 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1412 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1413 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1415 assertEquals("Failure obtained", true,
1416 (resp.cause() instanceof IllegalArgumentException));
1421 public void testAddShardReplica() throws Exception {
1422 LOG.info("testAddShardReplica starting");
1423 MockConfiguration mockConfig =
1424 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1425 put("default", Arrays.asList("member-1", "member-2")).
1426 put("astronauts", Arrays.asList("member-2")).build());
1428 final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1429 datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
1431 // Create an ActorSystem ShardManager actor for member-1.
1432 final ActorSystem system1 = newActorSystem("Member1");
1433 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1434 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1435 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1436 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
1437 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
1439 // Create an ActorSystem ShardManager actor for member-2.
1440 final ActorSystem system2 = newActorSystem("Member2");
1441 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1443 String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
1444 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1445 TestActorRef.create(system2, Props.create(MockRespondActor.class).
1446 withDispatcher(Dispatchers.DefaultDispatcherId()), name);
1447 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1448 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
1449 new ClusterWrapperImpl(system2)).props().
1450 withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
1452 new JavaTestKit(system1) {{
1454 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1455 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1457 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1459 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1460 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1461 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1462 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1463 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1464 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1466 newReplicaShardManager.underlyingActor().waitForMemberUp();
1467 leaderShardManager.underlyingActor().waitForMemberUp();
1469 //Have a dummy snapshot to be overwritten by the new data persisted.
1470 String[] restoredShards = {"default", "people"};
1471 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1472 InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
1473 Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
1475 InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
1476 InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
1478 //construct a mock response message
1479 AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
1480 mockShardLeaderActor.underlyingActor().updateResponse(response);
1481 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1482 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1484 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1485 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1486 expectMsgClass(duration("5 seconds"), Status.Success.class);
1488 InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
1489 InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
1490 List<ShardManagerSnapshot> persistedSnapshots =
1491 InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
1492 assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
1493 ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
1494 assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
1495 Sets.newHashSet(shardManagerSnapshot.getShardList()));
1497 LOG.info("testAddShardReplica ending");
1501 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1502 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
1503 new JavaTestKit(getSystem()) {{
1504 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1505 newPropsShardMgrWithMockShardActor(), shardMgrID);
1507 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1508 shardManager.tell(new ActorInitialized(), mockShardActor);
1510 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1511 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1512 ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
1513 Props.create(MockRespondActor.class, addServerReply), leaderId);
1515 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1517 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1518 shardManager.tell(new RoleChangeNotification(newReplicaId,
1519 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1520 shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
1521 DataStoreVersions.CURRENT_VERSION), mockShardActor);
1523 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1525 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1527 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1528 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1530 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1531 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1533 // Send message again to verify previous in progress state is cleared
1535 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1536 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1537 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1539 // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
1541 shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
1542 shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
1543 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1544 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1545 expectMsgClass(duration("5 seconds"), Failure.class);
1547 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1548 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1551 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
1555 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1556 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
1557 new JavaTestKit(getSystem()) {{
1558 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1559 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1561 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1562 shardManager.tell(new ActorInitialized(), mockShardActor);
1563 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1564 DataStoreVersions.CURRENT_VERSION), getRef());
1565 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1566 RaftState.Leader.name())), mockShardActor);
1568 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1569 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1570 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1572 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1573 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1576 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
1580 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1581 LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
1582 new JavaTestKit(getSystem()) {{
1583 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1585 MockConfiguration mockConfig =
1586 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1587 put("astronauts", Arrays.asList("member-2")).build());
1589 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1590 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1591 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1592 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1594 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1596 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1597 terminateWatcher.watch(mockNewReplicaShardActor);
1599 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1601 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1602 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1603 addServerMsg.getNewServerId());
1604 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1606 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1607 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1609 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1610 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1612 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1614 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1615 mockShardLeaderKit.expectMsgClass(AddServer.class);
1616 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1617 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1618 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1621 LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
1625 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1626 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1627 AddServer.class, new AddShardReplica("astronauts"));
1631 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1632 LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
1633 datastoreContextBuilder.shardInitializationTimeout(100, TimeUnit.MILLISECONDS);
1634 new JavaTestKit(getSystem()) {{
1635 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1636 put("astronauts", Arrays.asList("member-2")).build());
1638 final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
1639 shardActor(mockShardActor).props(), shardMgrID);
1641 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1642 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2",
1643 AddressFromURIString.parse("akka.tcp://non-existent@127.0.0.1:5").toString());
1645 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1646 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1647 assertEquals("Failure obtained", true,
1648 (resp.cause() instanceof RuntimeException));
1651 LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
1655 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1656 new JavaTestKit(getSystem()) {{
1657 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1658 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1660 shardManager.tell(new RemoveShardReplica("model-inventory", "member-1"), getRef());
1661 Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
1662 assertEquals("Failure obtained", true,
1663 (resp.cause() instanceof PrimaryNotFoundException));
1671 public void testRemoveShardReplicaLocal() throws Exception {
1672 new JavaTestKit(getSystem()) {{
1673 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1675 final TestActorRef<MockRespondActor> respondActor =
1676 TestActorRef.create(getSystem(), Props.create(MockRespondActor.class), memberId);
1678 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
1680 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1681 shardManager.tell(new ActorInitialized(), respondActor);
1682 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1683 DataStoreVersions.CURRENT_VERSION), getRef());
1684 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1685 RaftState.Leader.name())), respondActor);
1687 respondActor.underlyingActor().updateResponse(new RemoveServerReply(ServerChangeStatus.OK, null));
1688 shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, "member-1"), getRef());
1689 final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor, RemoveServer.class);
1690 assertEquals(new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString(),
1691 removeServer.getServerId());
1692 expectMsgClass(duration("5 seconds"), Success.class);
1697 public void testRemoveShardReplicaRemote() throws Exception {
1698 MockConfiguration mockConfig =
1699 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1700 put("default", Arrays.asList("member-1", "member-2")).
1701 put("astronauts", Arrays.asList("member-1")).build());
1703 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1705 // Create an ActorSystem ShardManager actor for member-1.
1706 final ActorSystem system1 = newActorSystem("Member1");
1707 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1708 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1710 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1711 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
1712 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1715 // Create an ActorSystem ShardManager actor for member-2.
1716 final ActorSystem system2 = newActorSystem("Member2");
1717 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1719 String name = new ShardIdentifier("default", "member-2", shardMrgIDSuffix).toString();
1720 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1721 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1723 LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
1725 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1726 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
1727 new ClusterWrapperImpl(system2)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1730 // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
1731 // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
1732 // However when a shard manager has a local shard which is a follower and a leader that is remote it will
1733 // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
1735 // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
1736 // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
1737 // with the address of an actor which does not exist, therefore any message sent to that actor would go to
1739 // To work around this problem we create a ForwardingActor with the right address and pass to it the
1740 // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
1741 // thing works as expected
1742 final ActorRef actorRef = leaderShardManager.underlyingActor().context()
1743 .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
1745 LOG.error("Forwarding actor : {}", actorRef);
1747 new JavaTestKit(system1) {{
1749 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1750 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1752 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1753 newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1755 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
1756 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1757 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1758 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1759 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1760 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1762 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
1763 newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2,
1764 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor);
1765 newReplicaShardManager.tell(new RoleChangeNotification(memberId1,
1766 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1768 newReplicaShardManager.underlyingActor().waitForMemberUp();
1769 leaderShardManager.underlyingActor().waitForMemberUp();
1771 //construct a mock response message
1772 RemoveServerReply response = new RemoveServerReply(ServerChangeStatus.OK, memberId2);
1773 mockShardLeaderActor.underlyingActor().updateResponse(response);
1774 newReplicaShardManager.tell(new RemoveShardReplica("default", "member-1"), getRef());
1775 RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1776 RemoveServer.class);
1777 String removeServerId = new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString();
1778 assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
1779 expectMsgClass(duration("5 seconds"), Status.Success.class);
1785 public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
1786 testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", "member-2"),
1787 RemoveServer.class, new RemoveShardReplica("astronauts", "member-3"));
1791 public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
1792 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1793 AddServer.class, new RemoveShardReplica("astronauts", "member-2"));
1797 public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
1798 final Class<?> firstForwardedServerChangeClass,
1799 final Object secondServerChange) throws Exception {
1800 new JavaTestKit(getSystem()) {{
1801 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1802 JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1804 MockConfiguration mockConfig =
1805 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1806 put(shardName, Arrays.asList("member-2")).build());
1808 final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1809 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor).cluster(
1810 new MockClusterWrapper()).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1813 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1815 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1817 shardManager.tell(firstServerChange, getRef());
1819 mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
1821 shardManager.tell(secondServerChange, secondRequestKit.getRef());
1823 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1828 public void testServerRemovedShardActorNotRunning() throws Exception {
1829 LOG.info("testServerRemovedShardActorNotRunning starting");
1830 new JavaTestKit(getSystem()) {{
1831 MockConfiguration mockConfig =
1832 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1833 put("default", Arrays.asList("member-1", "member-2")).
1834 put("astronauts", Arrays.asList("member-2")).
1835 put("people", Arrays.asList("member-1", "member-2")).build());
1837 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
1839 shardManager.underlyingActor().waitForRecoveryComplete();
1840 shardManager.tell(new FindLocalShard("people", false), getRef());
1841 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1843 shardManager.tell(new FindLocalShard("default", false), getRef());
1844 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1846 // Removed the default shard replica from member-1
1847 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1848 ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type(shardMrgIDSuffix).build();
1849 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1851 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1854 LOG.info("testServerRemovedShardActorNotRunning ending");
1858 public void testServerRemovedShardActorRunning() throws Exception {
1859 LOG.info("testServerRemovedShardActorRunning starting");
1860 new JavaTestKit(getSystem()) {{
1861 MockConfiguration mockConfig =
1862 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1863 put("default", Arrays.asList("member-1", "member-2")).
1864 put("astronauts", Arrays.asList("member-2")).
1865 put("people", Arrays.asList("member-1", "member-2")).build());
1867 String shardId = ShardIdentifier.builder().shardName("default").memberName("member-1").
1868 type(shardMrgIDSuffix).build().toString();
1869 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(
1870 MessageCollectorActor.props(), shardId);
1872 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1873 newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1875 shardManager.underlyingActor().waitForRecoveryComplete();
1877 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1878 shardManager.tell(new ActorInitialized(), shard);
1880 waitForShardInitialized(shardManager, "people", this);
1881 waitForShardInitialized(shardManager, "default", this);
1883 // Removed the default shard replica from member-1
1884 shardManager.tell(new ServerRemoved(shardId), getRef());
1886 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1888 MessageCollectorActor.expectFirstMatching(shard, Shutdown.class);
1891 LOG.info("testServerRemovedShardActorRunning ending");
1896 public void testShardPersistenceWithRestoredData() throws Exception {
1897 LOG.info("testShardPersistenceWithRestoredData starting");
1898 new JavaTestKit(getSystem()) {{
1899 MockConfiguration mockConfig =
1900 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1901 put("default", Arrays.asList("member-1", "member-2")).
1902 put("astronauts", Arrays.asList("member-2")).
1903 put("people", Arrays.asList("member-1", "member-2")).build());
1904 String[] restoredShards = {"default", "astronauts"};
1905 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1906 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1908 //create shardManager to come up with restored data
1909 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory.createTestActor(
1910 newShardMgrProps(mockConfig));
1912 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1914 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1915 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1916 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1918 //Verify a local shard is created for the restored shards,
1919 //although we expect a NotInitializedException for the shards as the actor initialization
1920 //message is not sent for them
1921 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1922 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1924 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1925 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1928 LOG.info("testShardPersistenceWithRestoredData ending");
1932 public void testShutDown() throws Exception {
1933 LOG.info("testShutDown starting");
1934 new JavaTestKit(getSystem()) {{
1935 MockConfiguration mockConfig =
1936 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1937 put("shard1", Arrays.asList("member-1")).
1938 put("shard2", Arrays.asList("member-1")).build());
1940 String shardId1 = ShardIdentifier.builder().shardName("shard1").memberName("member-1").
1941 type(shardMrgIDSuffix).build().toString();
1942 TestActorRef<MessageCollectorActor> shard1 = actorFactory.createTestActor(
1943 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId1);
1945 String shardId2 = ShardIdentifier.builder().shardName("shard2").memberName("member-1").
1946 type(shardMrgIDSuffix).build().toString();
1947 TestActorRef<MessageCollectorActor> shard2 = actorFactory.createTestActor(
1948 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId2);
1950 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(
1951 mockConfig).addShardActor("shard1", shard1).addShardActor("shard2", shard2).props().
1952 withDispatcher(Dispatchers.DefaultDispatcherId()));
1954 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1955 shardManager.tell(new ActorInitialized(), shard1);
1956 shardManager.tell(new ActorInitialized(), shard2);
1958 FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
1959 Future<Boolean> stopFuture = Patterns.gracefulStop(shardManager, duration, Shutdown.INSTANCE);
1961 MessageCollectorActor.expectFirstMatching(shard1, Shutdown.class);
1962 MessageCollectorActor.expectFirstMatching(shard2, Shutdown.class);
1965 Await.ready(stopFuture, FiniteDuration.create(500, TimeUnit.MILLISECONDS));
1966 fail("ShardManager actor stopped without waiting for the Shards to be stopped");
1967 } catch(TimeoutException e) {
1971 actorFactory.killActor(shard1, this);
1972 actorFactory.killActor(shard2, this);
1974 Boolean stopped = Await.result(stopFuture, duration);
1975 assertEquals("Stopped", Boolean.TRUE, stopped);
1978 LOG.info("testShutDown ending");
1981 private static class TestShardManager extends ShardManager {
1982 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
1983 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1984 private ShardManagerSnapshot snapshot;
1985 private final Map<String, ActorRef> shardActors;
1986 private final ActorRef shardActor;
1987 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
1988 private CountDownLatch memberUpReceived = new CountDownLatch(1);
1989 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
1990 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
1991 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
1992 private volatile MessageInterceptor messageInterceptor;
1994 private TestShardManager(Builder builder) {
1996 shardActor = builder.shardActor;
1997 shardActors = builder.shardActors;
2001 protected void handleRecover(Object message) throws Exception {
2003 super.handleRecover(message);
2005 if(message instanceof RecoveryCompleted) {
2006 recoveryComplete.countDown();
2012 public void handleCommand(Object message) throws Exception {
2014 if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
2015 getSender().tell(messageInterceptor.apply(message), getSelf());
2017 super.handleCommand(message);
2020 if(message instanceof FindPrimary) {
2021 findPrimaryMessageReceived.countDown();
2022 } else if(message instanceof ClusterEvent.MemberUp) {
2023 String role = ((ClusterEvent.MemberUp)message).member().roles().iterator().next();
2024 if(!getCluster().getCurrentMemberName().equals(role)) {
2025 memberUpReceived.countDown();
2027 } else if(message instanceof ClusterEvent.MemberRemoved) {
2028 String role = ((ClusterEvent.MemberRemoved)message).member().roles().iterator().next();
2029 if(!getCluster().getCurrentMemberName().equals(role)) {
2030 memberRemovedReceived.countDown();
2032 } else if(message instanceof ClusterEvent.UnreachableMember) {
2033 String role = ((ClusterEvent.UnreachableMember)message).member().roles().iterator().next();
2034 if(!getCluster().getCurrentMemberName().equals(role)) {
2035 memberUnreachableReceived.countDown();
2037 } else if(message instanceof ClusterEvent.ReachableMember) {
2038 String role = ((ClusterEvent.ReachableMember)message).member().roles().iterator().next();
2039 if(!getCluster().getCurrentMemberName().equals(role)) {
2040 memberReachableReceived.countDown();
2046 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
2047 this.messageInterceptor = messageInterceptor;
2050 void waitForRecoveryComplete() {
2051 assertEquals("Recovery complete", true,
2052 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
2055 void waitForMemberUp() {
2056 assertEquals("MemberUp received", true,
2057 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
2058 memberUpReceived = new CountDownLatch(1);
2061 void waitForMemberRemoved() {
2062 assertEquals("MemberRemoved received", true,
2063 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
2064 memberRemovedReceived = new CountDownLatch(1);
2067 void waitForUnreachableMember() {
2068 assertEquals("UnreachableMember received", true,
2069 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
2071 memberUnreachableReceived = new CountDownLatch(1);
2074 void waitForReachableMember() {
2075 assertEquals("ReachableMember received", true,
2076 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
2077 memberReachableReceived = new CountDownLatch(1);
2080 void verifyFindPrimary() {
2081 assertEquals("FindPrimary received", true,
2082 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
2083 findPrimaryMessageReceived = new CountDownLatch(1);
2086 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
2087 return new Builder(datastoreContextBuilder);
2090 private static class Builder extends AbstractGenericBuilder<Builder, TestShardManager> {
2091 private ActorRef shardActor;
2092 private final Map<String, ActorRef> shardActors = new HashMap<>();
2094 Builder(DatastoreContext.Builder datastoreContextBuilder) {
2095 super(TestShardManager.class);
2096 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
2099 Builder shardActor(ActorRef shardActor) {
2100 this.shardActor = shardActor;
2104 Builder addShardActor(String shardName, ActorRef actorRef){
2105 shardActors.put(shardName, actorRef);
2111 public void saveSnapshot(Object obj) {
2112 snapshot = (ShardManagerSnapshot) obj;
2113 snapshotPersist.countDown();
2114 super.saveSnapshot(obj);
2117 void verifySnapshotPersisted(Set<String> shardList) {
2118 assertEquals("saveSnapshot invoked", true,
2119 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
2120 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
2124 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
2125 if(shardActors.get(info.getShardName()) != null){
2126 return shardActors.get(info.getShardName());
2129 if(shardActor != null) {
2133 return super.newShardActor(schemaContext, info);
2137 private static abstract class AbstractGenericBuilder<T extends AbstractGenericBuilder<T, ?>, C extends ShardManager>
2138 extends ShardManager.AbstractBuilder<T> {
2139 private final Class<C> shardManagerClass;
2141 AbstractGenericBuilder(Class<C> shardManagerClass) {
2142 this.shardManagerClass = shardManagerClass;
2143 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).
2144 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
2148 public Props props() {
2150 return Props.create(shardManagerClass, this);
2154 private static class GenericBuilder<C extends ShardManager> extends AbstractGenericBuilder<GenericBuilder<C>, C> {
2155 GenericBuilder(Class<C> shardManagerClass) {
2156 super(shardManagerClass);
2160 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
2161 private static final long serialVersionUID = 1L;
2162 private final Creator<ShardManager> delegate;
2164 public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
2165 this.delegate = delegate;
2169 public ShardManager create() throws Exception {
2170 return delegate.create();
2174 interface MessageInterceptor extends Function<Object, Object> {
2175 boolean canIntercept(Object message);
2178 private static MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
2179 return new MessageInterceptor(){
2181 public Object apply(Object message) {
2182 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
2186 public boolean canIntercept(Object message) {
2187 return message instanceof FindPrimary;
2192 private static class MockRespondActor extends MessageCollectorActor {
2193 static final String CLEAR_RESPONSE = "clear-response";
2194 static final org.slf4j.Logger LOG = LoggerFactory.getLogger(MockRespondActor.class);
2196 private volatile Object responseMsg;
2198 @SuppressWarnings("unused")
2199 public MockRespondActor() {
2202 @SuppressWarnings("unused")
2203 public MockRespondActor(Object responseMsg) {
2204 this.responseMsg = responseMsg;
2207 public void updateResponse(Object response) {
2208 responseMsg = response;
2212 public void onReceive(Object message) throws Exception {
2213 if(!"get-all-messages".equals(message)) {
2214 LOG.debug("Received message : {}", message);
2216 super.onReceive(message);
2217 if (message instanceof AddServer && responseMsg != null) {
2218 getSender().tell(responseMsg, getSelf());
2219 } else if(message instanceof RemoveServer && responseMsg != null){
2220 getSender().tell(responseMsg, getSelf());
2221 } else if(message.equals(CLEAR_RESPONSE)) {