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.config.Configuration;
76 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
77 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
78 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
79 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
80 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
81 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
82 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
83 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
84 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
85 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
86 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
87 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
88 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
89 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
90 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
91 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
92 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
93 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
94 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
95 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
96 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
97 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
98 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
99 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
100 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
101 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
102 import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
103 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
104 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
105 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
106 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
107 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
108 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
109 import org.opendaylight.controller.cluster.raft.RaftState;
110 import org.opendaylight.controller.cluster.raft.TestActorFactory;
111 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
112 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
113 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
114 import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
115 import org.opendaylight.controller.cluster.raft.messages.AddServer;
116 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
117 import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
118 import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
119 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
120 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
121 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
122 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
123 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
124 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
125 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
126 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
127 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
128 import org.slf4j.Logger;
129 import org.slf4j.LoggerFactory;
130 import scala.concurrent.Await;
131 import scala.concurrent.Future;
132 import scala.concurrent.duration.FiniteDuration;
134 public class ShardManagerTest extends AbstractActorTest {
135 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
137 private static int ID_COUNTER = 1;
139 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
140 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
143 private static CountDownLatch ready;
145 private static TestActorRef<MessageCollectorActor> mockShardActor;
147 private static ShardIdentifier mockShardName;
149 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
150 dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
151 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
153 private final Collection<ActorSystem> actorSystems = new ArrayList<>();
155 private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
158 public void setUp() {
159 MockitoAnnotations.initMocks(this);
161 InMemoryJournal.clear();
162 InMemorySnapshotStore.clear();
164 if(mockShardActor == null) {
165 mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config");
166 mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class),
167 mockShardName.toString());
170 mockShardActor.underlyingActor().clear();
174 public void tearDown() {
175 InMemoryJournal.clear();
176 InMemorySnapshotStore.clear();
178 for(ActorSystem system: actorSystems) {
179 JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
182 actorFactory.close();
185 private ActorSystem newActorSystem(String config) {
186 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
187 actorSystems.add(system);
191 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
192 String name = new ShardIdentifier(shardName, memberName,"config").toString();
193 if(system == getSystem()) {
194 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
197 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
200 private Props newShardMgrProps() {
201 return newShardMgrProps(new MockConfiguration());
204 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
205 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
206 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
207 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
211 private TestShardManager.Builder newTestShardMgrBuilder() {
212 return TestShardManager.builder(datastoreContextBuilder);
215 private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
216 return TestShardManager.builder(datastoreContextBuilder).configuration(config);
219 private Props newShardMgrProps(Configuration config) {
220 return newTestShardMgrBuilder(config).props();
223 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
224 return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
227 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
228 return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
232 private Props newPropsShardMgrWithMockShardActor() {
233 return newTestShardMgrBuilderWithMockShardActor().props();
236 private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
237 return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
241 private TestShardManager newTestShardManager() {
242 return newTestShardManager(newShardMgrProps());
245 private TestShardManager newTestShardManager(Props props) {
246 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
247 TestShardManager shardManager = shardManagerActor.underlyingActor();
248 shardManager.waitForRecoveryComplete();
252 private static void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
253 AssertionError last = null;
254 Stopwatch sw = Stopwatch.createStarted();
255 while(sw.elapsed(TimeUnit.SECONDS) <= 5) {
257 shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
258 kit.expectMsgClass(LocalShardFound.class);
260 } catch(AssertionError e) {
264 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
270 private static <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
271 Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
272 if(reply instanceof Failure) {
273 throw new AssertionError(msg + " failed", ((Failure)reply).cause());
280 public void testPerShardDatastoreContext() throws Exception {
281 LOG.info("testPerShardDatastoreContext starting");
282 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
283 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
285 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
286 shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
288 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
289 shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
291 final MockConfiguration mockConfig = new MockConfiguration() {
293 public Collection<String> getMemberShardNames(String memberName) {
294 return Arrays.asList("default", "topology");
298 public Collection<String> getMembersFromShardName(String shardName) {
299 return Arrays.asList("member-1");
303 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
304 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
305 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
306 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
308 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
309 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
310 shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
311 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
313 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
314 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
315 class LocalShardManager extends ShardManager {
316 public LocalShardManager(AbstractShardManagerCreator<?> creator) {
321 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
322 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
325 ref = entry.getKey();
326 entry.setValue(info.getDatastoreContext());
329 newShardActorLatch.countDown();
334 final Creator<ShardManager> creator = new Creator<ShardManager>() {
335 private static final long serialVersionUID = 1L;
337 public ShardManager create() throws Exception {
338 return new LocalShardManager(new GenericCreator<LocalShardManager>(LocalShardManager.class).
339 datastoreContextFactory(mockFactory).primaryShardInfoCache(primaryShardInfoCache).
340 configuration(mockConfig));
344 JavaTestKit kit = new JavaTestKit(getSystem());
346 final ActorRef shardManager = actorFactory.createActor(Props.create(
347 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
349 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
351 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
352 assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
353 getShardElectionTimeoutFactor());
354 assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
355 getShardElectionTimeoutFactor());
357 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
358 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
359 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
360 shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
362 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
363 shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
365 shardManager.tell(newMockFactory, kit.getRef());
367 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
368 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
370 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
371 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
373 LOG.info("testPerShardDatastoreContext ending");
377 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
378 new JavaTestKit(getSystem()) {{
379 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
381 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
383 shardManager.tell(new FindPrimary("non-existent", false), getRef());
385 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
390 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
391 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
392 new JavaTestKit(getSystem()) {{
393 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
395 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
397 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
398 shardManager.tell(new ActorInitialized(), mockShardActor);
400 DataTree mockDataTree = mock(DataTree.class);
401 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
402 DataStoreVersions.CURRENT_VERSION), getRef());
404 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
405 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
406 RaftState.Leader.name())), mockShardActor);
408 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
410 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
411 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
412 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
413 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
416 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
420 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
421 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
422 new JavaTestKit(getSystem()) {{
423 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
425 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
426 shardManager.tell(new ActorInitialized(), mockShardActor);
428 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
429 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
430 shardManager.tell(new RoleChangeNotification(memberId1,
431 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
432 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
434 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
436 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
439 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
443 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
444 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
445 new JavaTestKit(getSystem()) {{
446 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
448 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
449 shardManager.tell(new ActorInitialized(), mockShardActor);
451 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
452 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
454 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
455 shardManager.tell(new RoleChangeNotification(memberId1,
456 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
457 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
458 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
459 leaderVersion), mockShardActor);
461 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
463 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
464 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
465 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
466 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
469 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
473 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
474 new JavaTestKit(getSystem()) {{
475 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
477 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
479 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
484 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
485 new JavaTestKit(getSystem()) {{
486 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
488 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
489 shardManager.tell(new ActorInitialized(), mockShardActor);
491 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
493 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
498 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
499 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
500 new JavaTestKit(getSystem()) {{
501 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
503 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
504 shardManager.tell(new ActorInitialized(), mockShardActor);
506 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
507 shardManager.tell(new RoleChangeNotification(memberId,
508 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
510 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
512 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
514 DataTree mockDataTree = mock(DataTree.class);
515 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
516 DataStoreVersions.CURRENT_VERSION), mockShardActor);
518 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
520 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
521 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
522 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
523 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
526 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
530 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
531 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
532 datastoreContextBuilder.shardInitializationTimeout(10, TimeUnit.SECONDS);
533 new JavaTestKit(getSystem()) {{
534 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
536 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
538 // We're passing waitUntilInitialized = true to FindPrimary so the response should be
539 // delayed until we send ActorInitialized and RoleChangeNotification.
540 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
542 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
544 shardManager.tell(new ActorInitialized(), mockShardActor);
546 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
548 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
549 shardManager.tell(new RoleChangeNotification(memberId,
550 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
552 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
554 DataTree mockDataTree = mock(DataTree.class);
555 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
556 DataStoreVersions.CURRENT_VERSION), mockShardActor);
558 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
559 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
560 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
561 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
563 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
566 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
570 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
571 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
572 new JavaTestKit(getSystem()) {{
573 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
575 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
577 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
579 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
581 shardManager.tell(new ActorInitialized(), mockShardActor);
583 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
586 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
590 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
591 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
592 new JavaTestKit(getSystem()) {{
593 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
595 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
596 shardManager.tell(new ActorInitialized(), mockShardActor);
597 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
598 null, RaftState.Candidate.name()), mockShardActor);
600 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
602 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
605 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
609 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
610 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
611 new JavaTestKit(getSystem()) {{
612 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
614 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
615 shardManager.tell(new ActorInitialized(), mockShardActor);
616 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
617 null, RaftState.IsolatedLeader.name()), mockShardActor);
619 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
621 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
624 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
628 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
629 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
630 new JavaTestKit(getSystem()) {{
631 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
633 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
634 shardManager.tell(new ActorInitialized(), mockShardActor);
636 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
638 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
641 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
645 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
646 LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
647 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
649 // Create an ActorSystem ShardManager actor for member-1.
651 final ActorSystem system1 = newActorSystem("Member1");
652 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
654 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
655 newTestShardMgrBuilderWithMockShardActor().cluster(
656 new ClusterWrapperImpl(system1)).props().withDispatcher(
657 Dispatchers.DefaultDispatcherId()), shardManagerID);
659 // Create an ActorSystem ShardManager actor for member-2.
661 final ActorSystem system2 = newActorSystem("Member2");
663 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
665 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
667 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
668 put("default", Arrays.asList("member-1", "member-2")).
669 put("astronauts", Arrays.asList("member-2")).build());
671 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
672 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
673 new ClusterWrapperImpl(system2)).props().withDispatcher(
674 Dispatchers.DefaultDispatcherId()), shardManagerID);
676 new JavaTestKit(system1) {{
678 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
679 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
681 shardManager2.tell(new ActorInitialized(), mockShardActor2);
683 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
684 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
685 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
686 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor2);
687 shardManager2.tell(new RoleChangeNotification(memberId2,
688 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
690 shardManager1.underlyingActor().waitForMemberUp();
692 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
694 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
695 String path = found.getPrimaryPath();
696 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
697 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
699 shardManager2.underlyingActor().verifyFindPrimary();
701 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
703 shardManager1.underlyingActor().waitForMemberRemoved();
705 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
707 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
710 LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
714 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
715 LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
716 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
718 // Create an ActorSystem ShardManager actor for member-1.
720 final ActorSystem system1 = newActorSystem("Member1");
721 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
723 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
725 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
726 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
727 new ClusterWrapperImpl(system1)).props().withDispatcher(
728 Dispatchers.DefaultDispatcherId()), shardManagerID);
730 // Create an ActorSystem ShardManager actor for member-2.
732 final ActorSystem system2 = newActorSystem("Member2");
734 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
736 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
738 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
739 put("default", Arrays.asList("member-1", "member-2")).build());
741 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
742 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
743 new ClusterWrapperImpl(system2)).props().withDispatcher(
744 Dispatchers.DefaultDispatcherId()), shardManagerID);
746 new JavaTestKit(system1) {{
748 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
749 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
750 shardManager1.tell(new ActorInitialized(), mockShardActor1);
751 shardManager2.tell(new ActorInitialized(), mockShardActor2);
753 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
754 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
755 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
756 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
757 shardManager1.tell(new RoleChangeNotification(memberId1,
758 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
759 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
760 DataStoreVersions.CURRENT_VERSION),
762 shardManager2.tell(new RoleChangeNotification(memberId2,
763 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
764 shardManager1.underlyingActor().waitForMemberUp();
766 shardManager1.tell(new FindPrimary("default", true), getRef());
768 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
769 String path = found.getPrimaryPath();
770 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
772 shardManager1.tell(MockClusterWrapper.
773 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
775 shardManager1.underlyingActor().waitForUnreachableMember();
777 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
778 assertEquals("getMemberName", "member-2", peerDown.getMemberName());
779 MessageCollectorActor.clearMessages(mockShardActor1);
781 shardManager1.tell(MockClusterWrapper.
782 createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
784 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
786 shardManager1.tell(new FindPrimary("default", true), getRef());
788 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
790 shardManager1.tell(MockClusterWrapper.
791 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
793 shardManager1.underlyingActor().waitForReachableMember();
795 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
796 assertEquals("getMemberName", "member-2", peerUp.getMemberName());
797 MessageCollectorActor.clearMessages(mockShardActor1);
799 shardManager1.tell(new FindPrimary("default", true), getRef());
801 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
802 String path1 = found1.getPrimaryPath();
803 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
805 shardManager1.tell(MockClusterWrapper.
806 createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
808 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
810 // Test FindPrimary wait succeeds after reachable member event.
812 shardManager1.tell(MockClusterWrapper.
813 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
814 shardManager1.underlyingActor().waitForUnreachableMember();
816 shardManager1.tell(new FindPrimary("default", true), getRef());
818 shardManager1.tell(MockClusterWrapper.
819 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
821 RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
822 String path2 = found2.getPrimaryPath();
823 assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
826 LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
830 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
831 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange starting");
832 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
834 // Create an ActorSystem ShardManager actor for member-1.
836 final ActorSystem system1 = newActorSystem("Member1");
837 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
839 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
841 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
842 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
843 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
844 new ClusterWrapperImpl(system1)).primaryShardInfoCache(primaryShardInfoCache).props().
845 withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
847 // Create an ActorSystem ShardManager actor for member-2.
849 final ActorSystem system2 = newActorSystem("Member2");
851 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
853 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
855 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
856 put("default", Arrays.asList("member-1", "member-2")).build());
858 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
859 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
860 new ClusterWrapperImpl(system2)).props().withDispatcher(
861 Dispatchers.DefaultDispatcherId()), shardManagerID);
863 new JavaTestKit(system1) {{
864 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
865 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
866 shardManager1.tell(new ActorInitialized(), mockShardActor1);
867 shardManager2.tell(new ActorInitialized(), mockShardActor2);
869 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
870 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
871 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
872 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
873 shardManager1.tell(new RoleChangeNotification(memberId1,
874 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
875 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
876 DataStoreVersions.CURRENT_VERSION),
878 shardManager2.tell(new RoleChangeNotification(memberId2,
879 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
880 shardManager1.underlyingActor().waitForMemberUp();
882 shardManager1.tell(new FindPrimary("default", true), getRef());
884 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
885 String path = found.getPrimaryPath();
886 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
888 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
889 mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
891 shardManager1.tell(MockClusterWrapper.
892 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
894 shardManager1.underlyingActor().waitForUnreachableMember();
896 shardManager1.tell(new FindPrimary("default", true), getRef());
898 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
900 assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
902 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
903 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
904 shardManager1.tell(new RoleChangeNotification(memberId1,
905 RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
907 shardManager1.tell(new FindPrimary("default", true), getRef());
909 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
910 String path1 = found1.getPrimaryPath();
911 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
915 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
920 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
921 new JavaTestKit(getSystem()) {{
922 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
924 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
926 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
928 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
930 assertEquals("getShardName", "non-existent", notFound.getShardName());
935 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
936 new JavaTestKit(getSystem()) {{
937 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
939 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
940 shardManager.tell(new ActorInitialized(), mockShardActor);
942 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
944 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
946 assertTrue("Found path contains " + found.getPath().path().toString(),
947 found.getPath().path().toString().contains("member-1-shard-default-config"));
952 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
953 new JavaTestKit(getSystem()) {{
954 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
956 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
958 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
963 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
964 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
965 new JavaTestKit(getSystem()) {{
966 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
968 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
970 // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
971 // delayed until we send ActorInitialized.
972 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
973 new Timeout(5, TimeUnit.SECONDS));
975 shardManager.tell(new ActorInitialized(), mockShardActor);
977 Object resp = Await.result(future, duration("5 seconds"));
978 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
981 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
985 public void testOnRecoveryJournalIsCleaned() {
986 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
987 InMemoryJournal.addEntry(persistenceID, 1L, new SchemaContextModules(ImmutableSet.of("foo")));
988 InMemoryJournal.addEntry(persistenceID, 2L, new SchemaContextModules(ImmutableSet.of("bar")));
989 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
991 newTestShardManager();
993 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
995 // Journal entries up to the last one should've been deleted
996 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
997 synchronized (journal) {
998 assertEquals("Journal size", 0, journal.size());
1003 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
1004 TestShardManager shardManager = newTestShardManager();
1006 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1007 shardManager.onReceiveCommand(new RoleChangeNotification(
1008 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
1010 verify(ready, never()).countDown();
1012 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
1013 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
1015 verify(ready, times(1)).countDown();
1019 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
1020 new JavaTestKit(getSystem()) {{
1021 TestShardManager shardManager = newTestShardManager();
1023 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1024 shardManager.onReceiveCommand(new RoleChangeNotification(
1025 memberId, null, RaftState.Follower.name()));
1027 verify(ready, never()).countDown();
1029 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1031 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1032 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1033 DataStoreVersions.CURRENT_VERSION));
1035 verify(ready, times(1)).countDown();
1040 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
1041 new JavaTestKit(getSystem()) {{
1042 TestShardManager shardManager = newTestShardManager();
1044 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1045 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1047 verify(ready, never()).countDown();
1049 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1050 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1051 DataStoreVersions.CURRENT_VERSION));
1053 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1055 verify(ready, times(1)).countDown();
1060 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
1061 TestShardManager shardManager = newTestShardManager();
1063 shardManager.onReceiveCommand(new RoleChangeNotification(
1064 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
1066 verify(ready, never()).countDown();
1070 public void testByDefaultSyncStatusIsFalse() throws Exception{
1071 TestShardManager shardManager = newTestShardManager();
1073 assertEquals(false, shardManager.getMBean().getSyncStatus());
1077 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
1078 TestShardManager shardManager = newTestShardManager();
1080 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
1081 RaftState.Follower.name(), RaftState.Leader.name()));
1083 assertEquals(true, shardManager.getMBean().getSyncStatus());
1087 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
1088 TestShardManager shardManager = newTestShardManager();
1090 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1091 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1092 RaftState.Follower.name(), RaftState.Candidate.name()));
1094 assertEquals(false, shardManager.getMBean().getSyncStatus());
1096 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
1097 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
1100 assertEquals(false, shardManager.getMBean().getSyncStatus());
1104 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
1105 TestShardManager shardManager = newTestShardManager();
1107 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1108 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1109 RaftState.Candidate.name(), RaftState.Follower.name()));
1111 // Initially will be false
1112 assertEquals(false, shardManager.getMBean().getSyncStatus());
1114 // Send status true will make sync status true
1115 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1117 assertEquals(true, shardManager.getMBean().getSyncStatus());
1119 // Send status false will make sync status false
1120 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1122 assertEquals(false, shardManager.getMBean().getSyncStatus());
1127 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
1128 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
1129 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1131 public List<String> getMemberShardNames(String memberName) {
1132 return Arrays.asList("default", "astronauts");
1136 // Initially will be false
1137 assertEquals(false, shardManager.getMBean().getSyncStatus());
1139 // Make default shard leader
1140 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1141 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1142 RaftState.Follower.name(), RaftState.Leader.name()));
1144 // default = Leader, astronauts is unknown so sync status remains false
1145 assertEquals(false, shardManager.getMBean().getSyncStatus());
1147 // Make astronauts shard leader as well
1148 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1149 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1150 RaftState.Follower.name(), RaftState.Leader.name()));
1152 // Now sync status should be true
1153 assertEquals(true, shardManager.getMBean().getSyncStatus());
1155 // Make astronauts a Follower
1156 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1157 RaftState.Leader.name(), RaftState.Follower.name()));
1159 // Sync status is not true
1160 assertEquals(false, shardManager.getMBean().getSyncStatus());
1162 // Make the astronauts follower sync status true
1163 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1165 // Sync status is now true
1166 assertEquals(true, shardManager.getMBean().getSyncStatus());
1168 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
1172 public void testOnReceiveSwitchShardBehavior() throws Exception {
1173 new JavaTestKit(getSystem()) {{
1174 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1176 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1177 shardManager.tell(new ActorInitialized(), mockShardActor);
1179 shardManager.tell(new SwitchShardBehavior(mockShardName, RaftState.Leader, 1000), getRef());
1181 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
1183 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1184 assertEquals(1000, switchBehavior.getNewTerm());
1189 public void testOnCreateShard() {
1190 LOG.info("testOnCreateShard starting");
1191 new JavaTestKit(getSystem()) {{
1192 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1194 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1195 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1197 SchemaContext schemaContext = TestModel.createTestContext();
1198 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1200 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
1201 persistent(false).build();
1202 Shard.Builder shardBuilder = Shard.builder();
1204 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1205 "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
1206 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1208 expectMsgClass(duration("5 seconds"), Success.class);
1210 shardManager.tell(new FindLocalShard("foo", true), getRef());
1212 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1214 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1215 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
1216 getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1217 assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
1218 new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
1219 shardBuilder.getPeerAddresses().keySet());
1220 assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
1221 shardBuilder.getId());
1222 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1224 // Send CreateShard with same name - should return Success with a message.
1226 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1228 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1229 assertNotNull("Success status is null", success.status());
1232 LOG.info("testOnCreateShard ending");
1236 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1237 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
1238 new JavaTestKit(getSystem()) {{
1239 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1241 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1242 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1244 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1246 Shard.Builder shardBuilder = Shard.builder();
1247 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1248 "foo", null, Arrays.asList("member-5", "member-6"));
1250 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1251 expectMsgClass(duration("5 seconds"), Success.class);
1253 shardManager.tell(new FindLocalShard("foo", true), getRef());
1254 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1256 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1257 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
1258 shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1261 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
1265 public void testOnCreateShardWithNoInitialSchemaContext() {
1266 LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
1267 new JavaTestKit(getSystem()) {{
1268 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1269 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1271 Shard.Builder shardBuilder = Shard.builder();
1273 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1274 "foo", null, Arrays.asList("member-1"));
1275 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1277 expectMsgClass(duration("5 seconds"), Success.class);
1279 SchemaContext schemaContext = TestModel.createTestContext();
1280 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1282 shardManager.tell(new FindLocalShard("foo", true), getRef());
1284 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1286 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1287 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1290 LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
1294 public void testGetSnapshot() throws Throwable {
1295 LOG.info("testGetSnapshot starting");
1296 JavaTestKit kit = new JavaTestKit(getSystem());
1298 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1299 put("shard1", Arrays.asList("member-1")).
1300 put("shard2", Arrays.asList("member-1")).
1301 put("astronauts", Collections.<String>emptyList()).build());
1303 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig).
1304 withDispatcher(Dispatchers.DefaultDispatcherId()));
1306 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1307 Failure failure = kit.expectMsgClass(Failure.class);
1308 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1310 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1312 waitForShardInitialized(shardManager, "shard1", kit);
1313 waitForShardInitialized(shardManager, "shard2", kit);
1315 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1317 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1319 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1320 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1322 Function<ShardSnapshot, String> shardNameTransformer = new Function<ShardSnapshot, String>() {
1324 public String apply(ShardSnapshot s) {
1329 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1330 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1332 // Add a new replica
1334 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1336 TestShardManager shardManagerInstance = shardManager.underlyingActor();
1337 shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1339 shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
1340 mockShardLeaderKit.expectMsgClass(AddServer.class);
1341 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
1342 kit.expectMsgClass(Status.Success.class);
1343 waitForShardInitialized(shardManager, "astronauts", kit);
1345 // Send another GetSnapshot and verify
1347 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1348 datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1350 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
1351 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1353 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1354 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1355 ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
1356 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1357 Sets.newHashSet(snapshot.getShardList()));
1359 LOG.info("testGetSnapshot ending");
1363 public void testRestoreFromSnapshot() throws Throwable {
1364 LOG.info("testRestoreFromSnapshot starting");
1366 datastoreContextBuilder.shardInitializationTimeout(3, TimeUnit.SECONDS);
1368 JavaTestKit kit = new JavaTestKit(getSystem());
1370 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1371 put("shard1", Collections.<String>emptyList()).
1372 put("shard2", Collections.<String>emptyList()).
1373 put("astronauts", Collections.<String>emptyList()).build());
1376 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
1377 DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
1378 SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
1379 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig).
1380 restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
1382 shardManager.underlyingActor().waitForRecoveryComplete();
1384 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1386 waitForShardInitialized(shardManager, "shard1", kit);
1387 waitForShardInitialized(shardManager, "shard2", kit);
1388 waitForShardInitialized(shardManager, "astronauts", kit);
1390 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1392 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1394 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1396 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1397 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1398 snapshot = SerializationUtils.deserialize(snapshotBytes);
1399 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1400 Sets.newHashSet(snapshot.getShardList()));
1402 LOG.info("testRestoreFromSnapshot ending");
1406 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1407 new JavaTestKit(getSystem()) {{
1408 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1409 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1411 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1412 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1414 assertEquals("Failure obtained", true,
1415 (resp.cause() instanceof IllegalArgumentException));
1420 public void testAddShardReplica() throws Exception {
1421 LOG.info("testAddShardReplica starting");
1422 MockConfiguration mockConfig =
1423 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1424 put("default", Arrays.asList("member-1", "member-2")).
1425 put("astronauts", Arrays.asList("member-2")).build());
1427 final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1428 datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
1430 // Create an ActorSystem ShardManager actor for member-1.
1431 final ActorSystem system1 = newActorSystem("Member1");
1432 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1433 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1434 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1435 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
1436 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
1438 // Create an ActorSystem ShardManager actor for member-2.
1439 final ActorSystem system2 = newActorSystem("Member2");
1440 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1442 String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
1443 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1444 TestActorRef.create(system2, Props.create(MockRespondActor.class).
1445 withDispatcher(Dispatchers.DefaultDispatcherId()), name);
1446 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1447 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
1448 new ClusterWrapperImpl(system2)).props().
1449 withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
1451 new JavaTestKit(system1) {{
1453 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1454 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1456 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1458 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1459 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1460 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1461 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1462 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1463 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1465 newReplicaShardManager.underlyingActor().waitForMemberUp();
1466 leaderShardManager.underlyingActor().waitForMemberUp();
1468 //Have a dummy snapshot to be overwritten by the new data persisted.
1469 String[] restoredShards = {"default", "people"};
1470 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1471 InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
1472 Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
1474 InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
1475 InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
1477 //construct a mock response message
1478 AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
1479 mockShardLeaderActor.underlyingActor().updateResponse(response);
1480 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1481 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1483 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1484 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1485 expectMsgClass(duration("5 seconds"), Status.Success.class);
1487 InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
1488 InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
1489 List<ShardManagerSnapshot> persistedSnapshots =
1490 InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
1491 assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
1492 ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
1493 assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
1494 Sets.newHashSet(shardManagerSnapshot.getShardList()));
1496 LOG.info("testAddShardReplica ending");
1500 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1501 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
1502 new JavaTestKit(getSystem()) {{
1503 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1504 newPropsShardMgrWithMockShardActor(), shardMgrID);
1506 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1507 shardManager.tell(new ActorInitialized(), mockShardActor);
1509 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1510 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1511 ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
1512 Props.create(MockRespondActor.class, addServerReply), leaderId);
1514 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1516 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1517 shardManager.tell(new RoleChangeNotification(newReplicaId,
1518 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1519 shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
1520 DataStoreVersions.CURRENT_VERSION), mockShardActor);
1522 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1524 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1526 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1527 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1529 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1530 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1532 // Send message again to verify previous in progress state is cleared
1534 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1535 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1536 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1538 // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
1540 shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
1541 shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
1542 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1543 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1544 expectMsgClass(duration("5 seconds"), Failure.class);
1546 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1547 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1550 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
1554 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1555 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
1556 new JavaTestKit(getSystem()) {{
1557 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1558 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1560 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1561 shardManager.tell(new ActorInitialized(), mockShardActor);
1562 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1563 DataStoreVersions.CURRENT_VERSION), getRef());
1564 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1565 RaftState.Leader.name())), mockShardActor);
1567 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1568 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1569 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1571 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1572 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1575 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
1579 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1580 LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
1581 new JavaTestKit(getSystem()) {{
1582 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1584 MockConfiguration mockConfig =
1585 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1586 put("astronauts", Arrays.asList("member-2")).build());
1588 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1589 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1590 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1591 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1593 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1595 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1596 terminateWatcher.watch(mockNewReplicaShardActor);
1598 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1600 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1601 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1602 addServerMsg.getNewServerId());
1603 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1605 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1606 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1608 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1609 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1611 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1613 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1614 mockShardLeaderKit.expectMsgClass(AddServer.class);
1615 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1616 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1617 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1620 LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
1624 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1625 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1626 AddServer.class, new AddShardReplica("astronauts"));
1630 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1631 LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
1632 datastoreContextBuilder.shardInitializationTimeout(100, TimeUnit.MILLISECONDS);
1633 new JavaTestKit(getSystem()) {{
1634 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1635 put("astronauts", Arrays.asList("member-2")).build());
1637 final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
1638 shardActor(mockShardActor).props(), shardMgrID);
1640 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1641 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2",
1642 AddressFromURIString.parse("akka.tcp://non-existent@127.0.0.1:5").toString());
1644 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1645 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1646 assertEquals("Failure obtained", true,
1647 (resp.cause() instanceof RuntimeException));
1650 LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
1654 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1655 new JavaTestKit(getSystem()) {{
1656 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1657 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1659 shardManager.tell(new RemoveShardReplica("model-inventory", "member-1"), getRef());
1660 Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
1661 assertEquals("Failure obtained", true,
1662 (resp.cause() instanceof PrimaryNotFoundException));
1670 public void testRemoveShardReplicaLocal() throws Exception {
1671 new JavaTestKit(getSystem()) {{
1672 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1674 final TestActorRef<MockRespondActor> respondActor =
1675 TestActorRef.create(getSystem(), Props.create(MockRespondActor.class), memberId);
1677 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
1679 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1680 shardManager.tell(new ActorInitialized(), respondActor);
1681 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1682 DataStoreVersions.CURRENT_VERSION), getRef());
1683 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1684 RaftState.Leader.name())), respondActor);
1686 respondActor.underlyingActor().updateResponse(new RemoveServerReply(ServerChangeStatus.OK, null));
1687 shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, "member-1"), getRef());
1688 final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor, RemoveServer.class);
1689 assertEquals(new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString(),
1690 removeServer.getServerId());
1691 expectMsgClass(duration("5 seconds"), Success.class);
1696 public void testRemoveShardReplicaRemote() throws Exception {
1697 MockConfiguration mockConfig =
1698 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1699 put("default", Arrays.asList("member-1", "member-2")).
1700 put("astronauts", Arrays.asList("member-1")).build());
1702 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1704 // Create an ActorSystem ShardManager actor for member-1.
1705 final ActorSystem system1 = newActorSystem("Member1");
1706 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1707 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1709 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1710 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
1711 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1714 // Create an ActorSystem ShardManager actor for member-2.
1715 final ActorSystem system2 = newActorSystem("Member2");
1716 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1718 String name = new ShardIdentifier("default", "member-2", shardMrgIDSuffix).toString();
1719 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1720 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1722 LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
1724 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1725 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
1726 new ClusterWrapperImpl(system2)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1729 // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
1730 // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
1731 // However when a shard manager has a local shard which is a follower and a leader that is remote it will
1732 // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
1734 // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
1735 // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
1736 // with the address of an actor which does not exist, therefore any message sent to that actor would go to
1738 // To work around this problem we create a ForwardingActor with the right address and pass to it the
1739 // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
1740 // thing works as expected
1741 final ActorRef actorRef = leaderShardManager.underlyingActor().context()
1742 .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
1744 LOG.error("Forwarding actor : {}", actorRef);
1746 new JavaTestKit(system1) {{
1748 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1749 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1751 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1752 newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1754 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
1755 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1756 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1757 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1758 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1759 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1761 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
1762 newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2,
1763 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor);
1764 newReplicaShardManager.tell(new RoleChangeNotification(memberId1,
1765 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1767 newReplicaShardManager.underlyingActor().waitForMemberUp();
1768 leaderShardManager.underlyingActor().waitForMemberUp();
1770 //construct a mock response message
1771 RemoveServerReply response = new RemoveServerReply(ServerChangeStatus.OK, memberId2);
1772 mockShardLeaderActor.underlyingActor().updateResponse(response);
1773 newReplicaShardManager.tell(new RemoveShardReplica("default", "member-1"), getRef());
1774 RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1775 RemoveServer.class);
1776 String removeServerId = new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString();
1777 assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
1778 expectMsgClass(duration("5 seconds"), Status.Success.class);
1784 public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
1785 testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", "member-2"),
1786 RemoveServer.class, new RemoveShardReplica("astronauts", "member-3"));
1790 public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
1791 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1792 AddServer.class, new RemoveShardReplica("astronauts", "member-2"));
1796 public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
1797 final Class<?> firstForwardedServerChangeClass,
1798 final Object secondServerChange) throws Exception {
1799 new JavaTestKit(getSystem()) {{
1800 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1801 JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1803 MockConfiguration mockConfig =
1804 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1805 put(shardName, Arrays.asList("member-2")).build());
1807 final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1808 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor).cluster(
1809 new MockClusterWrapper()).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1812 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1814 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1816 shardManager.tell(firstServerChange, getRef());
1818 mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
1820 shardManager.tell(secondServerChange, secondRequestKit.getRef());
1822 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1827 public void testServerRemovedShardActorNotRunning() throws Exception {
1828 LOG.info("testServerRemovedShardActorNotRunning starting");
1829 new JavaTestKit(getSystem()) {{
1830 MockConfiguration mockConfig =
1831 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1832 put("default", Arrays.asList("member-1", "member-2")).
1833 put("astronauts", Arrays.asList("member-2")).
1834 put("people", Arrays.asList("member-1", "member-2")).build());
1836 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
1838 shardManager.underlyingActor().waitForRecoveryComplete();
1839 shardManager.tell(new FindLocalShard("people", false), getRef());
1840 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1842 shardManager.tell(new FindLocalShard("default", false), getRef());
1843 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1845 // Removed the default shard replica from member-1
1846 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1847 ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type(shardMrgIDSuffix).build();
1848 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1850 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1853 LOG.info("testServerRemovedShardActorNotRunning ending");
1857 public void testServerRemovedShardActorRunning() throws Exception {
1858 LOG.info("testServerRemovedShardActorRunning starting");
1859 new JavaTestKit(getSystem()) {{
1860 MockConfiguration mockConfig =
1861 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1862 put("default", Arrays.asList("member-1", "member-2")).
1863 put("astronauts", Arrays.asList("member-2")).
1864 put("people", Arrays.asList("member-1", "member-2")).build());
1866 String shardId = ShardIdentifier.builder().shardName("default").memberName("member-1").
1867 type(shardMrgIDSuffix).build().toString();
1868 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(
1869 MessageCollectorActor.props(), shardId);
1871 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1872 newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1874 shardManager.underlyingActor().waitForRecoveryComplete();
1876 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1877 shardManager.tell(new ActorInitialized(), shard);
1879 waitForShardInitialized(shardManager, "people", this);
1880 waitForShardInitialized(shardManager, "default", this);
1882 // Removed the default shard replica from member-1
1883 shardManager.tell(new ServerRemoved(shardId), getRef());
1885 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1887 MessageCollectorActor.expectFirstMatching(shard, Shutdown.class);
1890 LOG.info("testServerRemovedShardActorRunning ending");
1895 public void testShardPersistenceWithRestoredData() throws Exception {
1896 LOG.info("testShardPersistenceWithRestoredData starting");
1897 new JavaTestKit(getSystem()) {{
1898 MockConfiguration mockConfig =
1899 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1900 put("default", Arrays.asList("member-1", "member-2")).
1901 put("astronauts", Arrays.asList("member-2")).
1902 put("people", Arrays.asList("member-1", "member-2")).build());
1903 String[] restoredShards = {"default", "astronauts"};
1904 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1905 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1907 //create shardManager to come up with restored data
1908 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory.createTestActor(
1909 newShardMgrProps(mockConfig));
1911 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1913 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1914 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1915 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1917 //Verify a local shard is created for the restored shards,
1918 //although we expect a NotInitializedException for the shards as the actor initialization
1919 //message is not sent for them
1920 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1921 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1923 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1924 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1927 LOG.info("testShardPersistenceWithRestoredData ending");
1931 public void testShutDown() throws Exception {
1932 LOG.info("testShutDown starting");
1933 new JavaTestKit(getSystem()) {{
1934 MockConfiguration mockConfig =
1935 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1936 put("shard1", Arrays.asList("member-1")).
1937 put("shard2", Arrays.asList("member-1")).build());
1939 String shardId1 = ShardIdentifier.builder().shardName("shard1").memberName("member-1").
1940 type(shardMrgIDSuffix).build().toString();
1941 TestActorRef<MessageCollectorActor> shard1 = actorFactory.createTestActor(
1942 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId1);
1944 String shardId2 = ShardIdentifier.builder().shardName("shard2").memberName("member-1").
1945 type(shardMrgIDSuffix).build().toString();
1946 TestActorRef<MessageCollectorActor> shard2 = actorFactory.createTestActor(
1947 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId2);
1949 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(
1950 mockConfig).addShardActor("shard1", shard1).addShardActor("shard2", shard2).props().
1951 withDispatcher(Dispatchers.DefaultDispatcherId()));
1953 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1954 shardManager.tell(new ActorInitialized(), shard1);
1955 shardManager.tell(new ActorInitialized(), shard2);
1957 FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
1958 Future<Boolean> stopFuture = Patterns.gracefulStop(shardManager, duration, Shutdown.INSTANCE);
1960 MessageCollectorActor.expectFirstMatching(shard1, Shutdown.class);
1961 MessageCollectorActor.expectFirstMatching(shard2, Shutdown.class);
1964 Await.ready(stopFuture, FiniteDuration.create(500, TimeUnit.MILLISECONDS));
1965 fail("ShardManager actor stopped without waiting for the Shards to be stopped");
1966 } catch(TimeoutException e) {
1970 actorFactory.killActor(shard1, this);
1971 actorFactory.killActor(shard2, this);
1973 Boolean stopped = Await.result(stopFuture, duration);
1974 assertEquals("Stopped", Boolean.TRUE, stopped);
1977 LOG.info("testShutDown ending");
1980 private static class TestShardManager extends ShardManager {
1981 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
1982 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1983 private ShardManagerSnapshot snapshot;
1984 private final Map<String, ActorRef> shardActors;
1985 private final ActorRef shardActor;
1986 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
1987 private CountDownLatch memberUpReceived = new CountDownLatch(1);
1988 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
1989 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
1990 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
1991 private volatile MessageInterceptor messageInterceptor;
1993 private TestShardManager(Builder builder) {
1995 shardActor = builder.shardActor;
1996 shardActors = builder.shardActors;
2000 protected void handleRecover(Object message) throws Exception {
2002 super.handleRecover(message);
2004 if(message instanceof RecoveryCompleted) {
2005 recoveryComplete.countDown();
2011 public void handleCommand(Object message) throws Exception {
2013 if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
2014 getSender().tell(messageInterceptor.apply(message), getSelf());
2016 super.handleCommand(message);
2019 if(message instanceof FindPrimary) {
2020 findPrimaryMessageReceived.countDown();
2021 } else if(message instanceof ClusterEvent.MemberUp) {
2022 String role = ((ClusterEvent.MemberUp)message).member().roles().iterator().next();
2023 if(!getCluster().getCurrentMemberName().equals(role)) {
2024 memberUpReceived.countDown();
2026 } else if(message instanceof ClusterEvent.MemberRemoved) {
2027 String role = ((ClusterEvent.MemberRemoved)message).member().roles().iterator().next();
2028 if(!getCluster().getCurrentMemberName().equals(role)) {
2029 memberRemovedReceived.countDown();
2031 } else if(message instanceof ClusterEvent.UnreachableMember) {
2032 String role = ((ClusterEvent.UnreachableMember)message).member().roles().iterator().next();
2033 if(!getCluster().getCurrentMemberName().equals(role)) {
2034 memberUnreachableReceived.countDown();
2036 } else if(message instanceof ClusterEvent.ReachableMember) {
2037 String role = ((ClusterEvent.ReachableMember)message).member().roles().iterator().next();
2038 if(!getCluster().getCurrentMemberName().equals(role)) {
2039 memberReachableReceived.countDown();
2045 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
2046 this.messageInterceptor = messageInterceptor;
2049 void waitForRecoveryComplete() {
2050 assertEquals("Recovery complete", true,
2051 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
2054 void waitForMemberUp() {
2055 assertEquals("MemberUp received", true,
2056 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
2057 memberUpReceived = new CountDownLatch(1);
2060 void waitForMemberRemoved() {
2061 assertEquals("MemberRemoved received", true,
2062 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
2063 memberRemovedReceived = new CountDownLatch(1);
2066 void waitForUnreachableMember() {
2067 assertEquals("UnreachableMember received", true,
2068 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
2070 memberUnreachableReceived = new CountDownLatch(1);
2073 void waitForReachableMember() {
2074 assertEquals("ReachableMember received", true,
2075 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
2076 memberReachableReceived = new CountDownLatch(1);
2079 void verifyFindPrimary() {
2080 assertEquals("FindPrimary received", true,
2081 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
2082 findPrimaryMessageReceived = new CountDownLatch(1);
2085 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
2086 return new Builder(datastoreContextBuilder);
2089 private static class Builder extends AbstractGenericCreator<Builder, TestShardManager> {
2090 private ActorRef shardActor;
2091 private final Map<String, ActorRef> shardActors = new HashMap<>();
2093 Builder(DatastoreContext.Builder datastoreContextBuilder) {
2094 super(TestShardManager.class);
2095 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
2098 Builder shardActor(ActorRef shardActor) {
2099 this.shardActor = shardActor;
2103 Builder addShardActor(String shardName, ActorRef actorRef){
2104 shardActors.put(shardName, actorRef);
2110 public void saveSnapshot(Object obj) {
2111 snapshot = (ShardManagerSnapshot) obj;
2112 snapshotPersist.countDown();
2113 super.saveSnapshot(obj);
2116 void verifySnapshotPersisted(Set<String> shardList) {
2117 assertEquals("saveSnapshot invoked", true,
2118 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
2119 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
2123 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
2124 if(shardActors.get(info.getShardName()) != null){
2125 return shardActors.get(info.getShardName());
2128 if(shardActor != null) {
2132 return super.newShardActor(schemaContext, info);
2136 private static abstract class AbstractGenericCreator<T extends AbstractGenericCreator<T, ?>, C extends ShardManager>
2137 extends AbstractShardManagerCreator<T> {
2138 private final Class<C> shardManagerClass;
2140 AbstractGenericCreator(Class<C> shardManagerClass) {
2141 this.shardManagerClass = shardManagerClass;
2142 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).
2143 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
2147 public Props props() {
2149 return Props.create(shardManagerClass, this);
2153 private static class GenericCreator<C extends ShardManager> extends AbstractGenericCreator<GenericCreator<C>, C> {
2154 GenericCreator(Class<C> shardManagerClass) {
2155 super(shardManagerClass);
2159 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
2160 private static final long serialVersionUID = 1L;
2161 private final Creator<ShardManager> delegate;
2163 public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
2164 this.delegate = delegate;
2168 public ShardManager create() throws Exception {
2169 return delegate.create();
2173 interface MessageInterceptor extends Function<Object, Object> {
2174 boolean canIntercept(Object message);
2177 private static MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
2178 return new MessageInterceptor(){
2180 public Object apply(Object message) {
2181 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
2185 public boolean canIntercept(Object message) {
2186 return message instanceof FindPrimary;
2191 private static class MockRespondActor extends MessageCollectorActor {
2192 static final String CLEAR_RESPONSE = "clear-response";
2193 static final org.slf4j.Logger LOG = LoggerFactory.getLogger(MockRespondActor.class);
2195 private volatile Object responseMsg;
2197 @SuppressWarnings("unused")
2198 public MockRespondActor() {
2201 @SuppressWarnings("unused")
2202 public MockRespondActor(Object responseMsg) {
2203 this.responseMsg = responseMsg;
2206 public void updateResponse(Object response) {
2207 responseMsg = response;
2211 public void onReceive(Object message) throws Exception {
2212 if(!"get-all-messages".equals(message)) {
2213 LOG.debug("Received message : {}", message);
2215 super.onReceive(message);
2216 if (message instanceof AddServer && responseMsg != null) {
2217 getSender().tell(responseMsg, getSelf());
2218 } else if(message instanceof RemoveServer && responseMsg != null){
2219 getSender().tell(responseMsg, getSelf());
2220 } else if(message.equals(CLEAR_RESPONSE)) {