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.Stopwatch;
40 import com.google.common.collect.ImmutableMap;
41 import com.google.common.collect.ImmutableSet;
42 import com.google.common.collect.Lists;
43 import com.google.common.collect.Sets;
44 import com.google.common.util.concurrent.Uninterruptibles;
45 import com.typesafe.config.ConfigFactory;
47 import java.util.AbstractMap;
48 import java.util.ArrayList;
49 import java.util.Arrays;
50 import java.util.Collection;
51 import java.util.Collections;
52 import java.util.HashMap;
53 import java.util.List;
55 import java.util.Map.Entry;
57 import java.util.concurrent.CountDownLatch;
58 import java.util.concurrent.TimeUnit;
59 import java.util.concurrent.TimeoutException;
60 import org.apache.commons.lang3.SerializationUtils;
61 import org.junit.After;
62 import org.junit.Before;
63 import org.junit.Test;
64 import org.mockito.Mock;
65 import org.mockito.Mockito;
66 import org.mockito.MockitoAnnotations;
67 import org.opendaylight.controller.cluster.datastore.AbstractActorTest;
68 import org.opendaylight.controller.cluster.datastore.ClusterWrapperImpl;
69 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
70 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
71 import org.opendaylight.controller.cluster.datastore.DatastoreContextFactory;
72 import org.opendaylight.controller.cluster.datastore.Shard;
73 import org.opendaylight.controller.cluster.datastore.ShardManager.SchemaContextModules;
74 import org.opendaylight.controller.cluster.datastore.config.Configuration;
75 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
76 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
77 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
78 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
79 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
80 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
81 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
82 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
83 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
84 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
85 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
86 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
87 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
88 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
89 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
90 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
91 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
92 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
93 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
94 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
95 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
96 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
97 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
98 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
99 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
100 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
101 import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
102 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
103 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
104 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
105 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
106 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
107 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
108 import org.opendaylight.controller.cluster.raft.RaftState;
109 import org.opendaylight.controller.cluster.raft.TestActorFactory;
110 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
111 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
112 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
113 import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
114 import org.opendaylight.controller.cluster.raft.messages.AddServer;
115 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
116 import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
117 import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
118 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
119 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
120 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
121 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
122 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
123 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
124 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
125 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
126 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
127 import org.slf4j.Logger;
128 import org.slf4j.LoggerFactory;
129 import scala.concurrent.Await;
130 import scala.concurrent.Future;
131 import scala.concurrent.duration.FiniteDuration;
133 public class ShardManagerTest extends AbstractActorTest {
134 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
136 private static int ID_COUNTER = 1;
138 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
139 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
142 private static CountDownLatch ready;
144 private static TestActorRef<MessageCollectorActor> mockShardActor;
146 private static ShardIdentifier mockShardName;
148 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
149 dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
150 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
152 private final Collection<ActorSystem> actorSystems = new ArrayList<>();
154 private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
157 public void setUp() {
158 MockitoAnnotations.initMocks(this);
160 InMemoryJournal.clear();
161 InMemorySnapshotStore.clear();
163 if(mockShardActor == null) {
164 mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config");
165 mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class),
166 mockShardName.toString());
169 mockShardActor.underlyingActor().clear();
173 public void tearDown() {
174 InMemoryJournal.clear();
175 InMemorySnapshotStore.clear();
177 for(ActorSystem system: actorSystems) {
178 JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
181 actorFactory.close();
184 private ActorSystem newActorSystem(String config) {
185 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
186 actorSystems.add(system);
190 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
191 String name = new ShardIdentifier(shardName, memberName,"config").toString();
192 if(system == getSystem()) {
193 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
196 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
199 private Props newShardMgrProps() {
200 return newShardMgrProps(new MockConfiguration());
203 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
204 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
205 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
206 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
210 private TestShardManager.Builder newTestShardMgrBuilder() {
211 return TestShardManager.builder(datastoreContextBuilder);
214 private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
215 return TestShardManager.builder(datastoreContextBuilder).configuration(config);
218 private Props newShardMgrProps(Configuration config) {
219 return newTestShardMgrBuilder(config).props();
222 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
223 return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
226 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
227 return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
231 private Props newPropsShardMgrWithMockShardActor() {
232 return newTestShardMgrBuilderWithMockShardActor().props();
235 private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
236 return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
240 private TestShardManager newTestShardManager() {
241 return newTestShardManager(newShardMgrProps());
244 private TestShardManager newTestShardManager(Props props) {
245 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
246 TestShardManager shardManager = shardManagerActor.underlyingActor();
247 shardManager.waitForRecoveryComplete();
251 private static void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
252 AssertionError last = null;
253 Stopwatch sw = Stopwatch.createStarted();
254 while(sw.elapsed(TimeUnit.SECONDS) <= 5) {
256 shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
257 kit.expectMsgClass(LocalShardFound.class);
259 } catch(AssertionError e) {
263 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
269 private static <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
270 Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
271 if(reply instanceof Failure) {
272 throw new AssertionError(msg + " failed", ((Failure)reply).cause());
279 public void testPerShardDatastoreContext() throws Exception {
280 LOG.info("testPerShardDatastoreContext starting");
281 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
282 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
284 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
285 shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
287 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
288 shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
290 final MockConfiguration mockConfig = new MockConfiguration() {
292 public Collection<String> getMemberShardNames(String memberName) {
293 return Arrays.asList("default", "topology");
297 public Collection<String> getMembersFromShardName(String shardName) {
298 return Arrays.asList("member-1");
302 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
303 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
304 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
305 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
307 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
308 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
309 shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
310 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
312 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
313 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
314 class LocalShardManager extends ShardManager {
315 public LocalShardManager(AbstractShardManagerCreator<?> creator) {
320 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
321 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
324 ref = entry.getKey();
325 entry.setValue(info.getDatastoreContext());
328 newShardActorLatch.countDown();
333 final Creator<ShardManager> creator = new Creator<ShardManager>() {
334 private static final long serialVersionUID = 1L;
336 public ShardManager create() throws Exception {
337 return new LocalShardManager(new GenericCreator<LocalShardManager>(LocalShardManager.class).
338 datastoreContextFactory(mockFactory).primaryShardInfoCache(primaryShardInfoCache).
339 configuration(mockConfig));
343 JavaTestKit kit = new JavaTestKit(getSystem());
345 final ActorRef shardManager = actorFactory.createActor(Props.create(
346 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
348 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
350 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
351 assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
352 getShardElectionTimeoutFactor());
353 assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
354 getShardElectionTimeoutFactor());
356 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
357 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
358 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
359 shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
361 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
362 shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
364 shardManager.tell(newMockFactory, kit.getRef());
366 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
367 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
369 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
370 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
372 LOG.info("testPerShardDatastoreContext ending");
376 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
377 new JavaTestKit(getSystem()) {{
378 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
380 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
382 shardManager.tell(new FindPrimary("non-existent", false), getRef());
384 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
389 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
390 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
391 new JavaTestKit(getSystem()) {{
392 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
394 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
396 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
397 shardManager.tell(new ActorInitialized(), mockShardActor);
399 DataTree mockDataTree = mock(DataTree.class);
400 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
401 DataStoreVersions.CURRENT_VERSION), getRef());
403 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
404 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
405 RaftState.Leader.name())), mockShardActor);
407 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
409 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
410 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
411 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
412 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
415 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
419 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
420 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
421 new JavaTestKit(getSystem()) {{
422 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
424 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
425 shardManager.tell(new ActorInitialized(), mockShardActor);
427 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
428 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
429 shardManager.tell(new RoleChangeNotification(memberId1,
430 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
431 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
433 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
435 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
438 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
442 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
443 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
444 new JavaTestKit(getSystem()) {{
445 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
447 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
448 shardManager.tell(new ActorInitialized(), mockShardActor);
450 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
451 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
453 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
454 shardManager.tell(new RoleChangeNotification(memberId1,
455 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
456 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
457 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, leaderVersion), mockShardActor);
459 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
461 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
462 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
463 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
464 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
467 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
471 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
472 new JavaTestKit(getSystem()) {{
473 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
475 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
477 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
482 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
483 new JavaTestKit(getSystem()) {{
484 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
486 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
487 shardManager.tell(new ActorInitialized(), mockShardActor);
489 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
491 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
496 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
497 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
498 new JavaTestKit(getSystem()) {{
499 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
501 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
502 shardManager.tell(new ActorInitialized(), mockShardActor);
504 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
505 shardManager.tell(new RoleChangeNotification(memberId,
506 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
508 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
510 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
512 DataTree mockDataTree = mock(DataTree.class);
513 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
514 DataStoreVersions.CURRENT_VERSION), mockShardActor);
516 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
518 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
519 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
520 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
521 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
524 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
528 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
529 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
530 datastoreContextBuilder.shardInitializationTimeout(10, TimeUnit.SECONDS);
531 new JavaTestKit(getSystem()) {{
532 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
534 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
536 // We're passing waitUntilInitialized = true to FindPrimary so the response should be
537 // delayed until we send ActorInitialized and RoleChangeNotification.
538 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
540 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
542 shardManager.tell(new ActorInitialized(), mockShardActor);
544 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
546 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
547 shardManager.tell(new RoleChangeNotification(memberId,
548 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
550 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
552 DataTree mockDataTree = mock(DataTree.class);
553 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
554 DataStoreVersions.CURRENT_VERSION), mockShardActor);
556 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
557 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
558 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
559 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
561 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
564 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
568 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
569 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
570 new JavaTestKit(getSystem()) {{
571 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
573 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
575 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
577 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
579 shardManager.tell(new ActorInitialized(), mockShardActor);
581 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
584 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
588 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
589 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
590 new JavaTestKit(getSystem()) {{
591 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
593 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
594 shardManager.tell(new ActorInitialized(), mockShardActor);
595 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
596 null, RaftState.Candidate.name()), mockShardActor);
598 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
600 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
603 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
607 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
608 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
609 new JavaTestKit(getSystem()) {{
610 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
612 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
613 shardManager.tell(new ActorInitialized(), mockShardActor);
614 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
615 null, RaftState.IsolatedLeader.name()), mockShardActor);
617 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
619 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
622 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
626 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
627 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
628 new JavaTestKit(getSystem()) {{
629 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
631 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
632 shardManager.tell(new ActorInitialized(), mockShardActor);
634 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
636 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
639 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
643 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
644 LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
645 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
647 // Create an ActorSystem ShardManager actor for member-1.
649 final ActorSystem system1 = newActorSystem("Member1");
650 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
652 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
653 newTestShardMgrBuilderWithMockShardActor().cluster(
654 new ClusterWrapperImpl(system1)).props().withDispatcher(
655 Dispatchers.DefaultDispatcherId()), shardManagerID);
657 // Create an ActorSystem ShardManager actor for member-2.
659 final ActorSystem system2 = newActorSystem("Member2");
661 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
663 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
665 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
666 put("default", Arrays.asList("member-1", "member-2")).
667 put("astronauts", Arrays.asList("member-2")).build());
669 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
670 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
671 new ClusterWrapperImpl(system2)).props().withDispatcher(
672 Dispatchers.DefaultDispatcherId()), shardManagerID);
674 new JavaTestKit(system1) {{
676 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
677 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
679 shardManager2.tell(new ActorInitialized(), mockShardActor2);
681 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
682 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
683 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
684 mock(DataTree.class), leaderVersion), mockShardActor2);
685 shardManager2.tell(new RoleChangeNotification(memberId2,
686 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
688 shardManager1.underlyingActor().waitForMemberUp();
690 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
692 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
693 String path = found.getPrimaryPath();
694 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
695 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
697 shardManager2.underlyingActor().verifyFindPrimary();
699 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
701 shardManager1.underlyingActor().waitForMemberRemoved();
703 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
705 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
708 LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
712 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
713 LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
714 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
716 // Create an ActorSystem ShardManager actor for member-1.
718 final ActorSystem system1 = newActorSystem("Member1");
719 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
721 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
723 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
724 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
725 new ClusterWrapperImpl(system1)).props().withDispatcher(
726 Dispatchers.DefaultDispatcherId()), shardManagerID);
728 // Create an ActorSystem ShardManager actor for member-2.
730 final ActorSystem system2 = newActorSystem("Member2");
732 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
734 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
736 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
737 put("default", Arrays.asList("member-1", "member-2")).build());
739 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
740 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
741 new ClusterWrapperImpl(system2)).props().withDispatcher(
742 Dispatchers.DefaultDispatcherId()), shardManagerID);
744 new JavaTestKit(system1) {{
746 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
747 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
748 shardManager1.tell(new ActorInitialized(), mockShardActor1);
749 shardManager2.tell(new ActorInitialized(), mockShardActor2);
751 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
752 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
753 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
754 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
755 shardManager1.tell(new RoleChangeNotification(memberId1,
756 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
757 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class),
758 DataStoreVersions.CURRENT_VERSION),
760 shardManager2.tell(new RoleChangeNotification(memberId2,
761 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
762 shardManager1.underlyingActor().waitForMemberUp();
764 shardManager1.tell(new FindPrimary("default", true), getRef());
766 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
767 String path = found.getPrimaryPath();
768 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
770 shardManager1.tell(MockClusterWrapper.
771 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
773 shardManager1.underlyingActor().waitForUnreachableMember();
775 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
776 assertEquals("getMemberName", "member-2", peerDown.getMemberName());
777 MessageCollectorActor.clearMessages(mockShardActor1);
779 shardManager1.tell(MockClusterWrapper.
780 createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
782 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
784 shardManager1.tell(new FindPrimary("default", true), getRef());
786 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
788 shardManager1.tell(MockClusterWrapper.
789 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
791 shardManager1.underlyingActor().waitForReachableMember();
793 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
794 assertEquals("getMemberName", "member-2", peerUp.getMemberName());
795 MessageCollectorActor.clearMessages(mockShardActor1);
797 shardManager1.tell(new FindPrimary("default", true), getRef());
799 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
800 String path1 = found1.getPrimaryPath();
801 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
803 shardManager1.tell(MockClusterWrapper.
804 createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
806 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
808 // Test FindPrimary wait succeeds after reachable member event.
810 shardManager1.tell(MockClusterWrapper.
811 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
812 shardManager1.underlyingActor().waitForUnreachableMember();
814 shardManager1.tell(new FindPrimary("default", true), getRef());
816 shardManager1.tell(MockClusterWrapper.
817 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
819 RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
820 String path2 = found2.getPrimaryPath();
821 assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
824 LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
828 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
829 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange starting");
830 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
832 // Create an ActorSystem ShardManager actor for member-1.
834 final ActorSystem system1 = newActorSystem("Member1");
835 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
837 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
839 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
840 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
841 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
842 new ClusterWrapperImpl(system1)).primaryShardInfoCache(primaryShardInfoCache).props().
843 withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
845 // Create an ActorSystem ShardManager actor for member-2.
847 final ActorSystem system2 = newActorSystem("Member2");
849 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
851 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
853 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
854 put("default", Arrays.asList("member-1", "member-2")).build());
856 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
857 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
858 new ClusterWrapperImpl(system2)).props().withDispatcher(
859 Dispatchers.DefaultDispatcherId()), shardManagerID);
861 new JavaTestKit(system1) {{
862 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
863 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
864 shardManager1.tell(new ActorInitialized(), mockShardActor1);
865 shardManager2.tell(new ActorInitialized(), mockShardActor2);
867 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
868 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
869 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
870 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
871 shardManager1.tell(new RoleChangeNotification(memberId1,
872 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
873 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class),
874 DataStoreVersions.CURRENT_VERSION),
876 shardManager2.tell(new RoleChangeNotification(memberId2,
877 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
878 shardManager1.underlyingActor().waitForMemberUp();
880 shardManager1.tell(new FindPrimary("default", true), getRef());
882 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
883 String path = found.getPrimaryPath();
884 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
886 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
887 mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION));
889 shardManager1.tell(MockClusterWrapper.
890 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
892 shardManager1.underlyingActor().waitForUnreachableMember();
894 shardManager1.tell(new FindPrimary("default", true), getRef());
896 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
898 assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
900 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, mock(DataTree.class),
901 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
902 shardManager1.tell(new RoleChangeNotification(memberId1,
903 RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
905 shardManager1.tell(new FindPrimary("default", true), getRef());
907 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
908 String path1 = found1.getPrimaryPath();
909 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
913 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
918 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
919 new JavaTestKit(getSystem()) {{
920 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
922 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
924 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
926 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
928 assertEquals("getShardName", "non-existent", notFound.getShardName());
933 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
934 new JavaTestKit(getSystem()) {{
935 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
937 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
938 shardManager.tell(new ActorInitialized(), mockShardActor);
940 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
942 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
944 assertTrue("Found path contains " + found.getPath().path().toString(),
945 found.getPath().path().toString().contains("member-1-shard-default-config"));
950 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
951 new JavaTestKit(getSystem()) {{
952 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
954 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
956 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
961 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
962 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
963 new JavaTestKit(getSystem()) {{
964 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
966 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
968 // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
969 // delayed until we send ActorInitialized.
970 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
971 new Timeout(5, TimeUnit.SECONDS));
973 shardManager.tell(new ActorInitialized(), mockShardActor);
975 Object resp = Await.result(future, duration("5 seconds"));
976 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
979 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
983 public void testOnRecoveryJournalIsCleaned() {
984 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
985 InMemoryJournal.addEntry(persistenceID, 1L, new SchemaContextModules(ImmutableSet.of("foo")));
986 InMemoryJournal.addEntry(persistenceID, 2L, new SchemaContextModules(ImmutableSet.of("bar")));
987 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
989 newTestShardManager();
991 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
993 // Journal entries up to the last one should've been deleted
994 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
995 synchronized (journal) {
996 assertEquals("Journal size", 0, journal.size());
1001 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
1002 TestShardManager shardManager = newTestShardManager();
1004 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1005 shardManager.onReceiveCommand(new RoleChangeNotification(
1006 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
1008 verify(ready, never()).countDown();
1010 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
1011 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION));
1013 verify(ready, times(1)).countDown();
1017 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
1018 new JavaTestKit(getSystem()) {{
1019 TestShardManager shardManager = newTestShardManager();
1021 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1022 shardManager.onReceiveCommand(new RoleChangeNotification(
1023 memberId, null, RaftState.Follower.name()));
1025 verify(ready, never()).countDown();
1027 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1029 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1030 "member-2-shard-default-" + shardMrgIDSuffix, mock(DataTree.class),
1031 DataStoreVersions.CURRENT_VERSION));
1033 verify(ready, times(1)).countDown();
1038 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
1039 new JavaTestKit(getSystem()) {{
1040 TestShardManager shardManager = newTestShardManager();
1042 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1043 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1045 verify(ready, never()).countDown();
1047 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1048 "member-2-shard-default-" + shardMrgIDSuffix, mock(DataTree.class),
1049 DataStoreVersions.CURRENT_VERSION));
1051 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1053 verify(ready, times(1)).countDown();
1058 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
1059 TestShardManager shardManager = newTestShardManager();
1061 shardManager.onReceiveCommand(new RoleChangeNotification(
1062 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
1064 verify(ready, never()).countDown();
1068 public void testByDefaultSyncStatusIsFalse() throws Exception{
1069 TestShardManager shardManager = newTestShardManager();
1071 assertEquals(false, shardManager.getMBean().getSyncStatus());
1075 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
1076 TestShardManager shardManager = newTestShardManager();
1078 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
1079 RaftState.Follower.name(), RaftState.Leader.name()));
1081 assertEquals(true, shardManager.getMBean().getSyncStatus());
1085 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
1086 TestShardManager shardManager = newTestShardManager();
1088 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1089 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1090 RaftState.Follower.name(), RaftState.Candidate.name()));
1092 assertEquals(false, shardManager.getMBean().getSyncStatus());
1094 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
1095 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
1098 assertEquals(false, shardManager.getMBean().getSyncStatus());
1102 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
1103 TestShardManager shardManager = newTestShardManager();
1105 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1106 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1107 RaftState.Candidate.name(), RaftState.Follower.name()));
1109 // Initially will be false
1110 assertEquals(false, shardManager.getMBean().getSyncStatus());
1112 // Send status true will make sync status true
1113 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1115 assertEquals(true, shardManager.getMBean().getSyncStatus());
1117 // Send status false will make sync status false
1118 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1120 assertEquals(false, shardManager.getMBean().getSyncStatus());
1125 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
1126 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
1127 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1129 public List<String> getMemberShardNames(String memberName) {
1130 return Arrays.asList("default", "astronauts");
1134 // Initially will be false
1135 assertEquals(false, shardManager.getMBean().getSyncStatus());
1137 // Make default shard leader
1138 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1139 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1140 RaftState.Follower.name(), RaftState.Leader.name()));
1142 // default = Leader, astronauts is unknown so sync status remains false
1143 assertEquals(false, shardManager.getMBean().getSyncStatus());
1145 // Make astronauts shard leader as well
1146 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1147 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1148 RaftState.Follower.name(), RaftState.Leader.name()));
1150 // Now sync status should be true
1151 assertEquals(true, shardManager.getMBean().getSyncStatus());
1153 // Make astronauts a Follower
1154 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1155 RaftState.Leader.name(), RaftState.Follower.name()));
1157 // Sync status is not true
1158 assertEquals(false, shardManager.getMBean().getSyncStatus());
1160 // Make the astronauts follower sync status true
1161 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1163 // Sync status is now true
1164 assertEquals(true, shardManager.getMBean().getSyncStatus());
1166 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
1170 public void testOnReceiveSwitchShardBehavior() throws Exception {
1171 new JavaTestKit(getSystem()) {{
1172 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1174 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1175 shardManager.tell(new ActorInitialized(), mockShardActor);
1177 shardManager.tell(new SwitchShardBehavior(mockShardName, RaftState.Leader, 1000), getRef());
1179 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
1181 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1182 assertEquals(1000, switchBehavior.getNewTerm());
1187 public void testOnCreateShard() {
1188 LOG.info("testOnCreateShard starting");
1189 new JavaTestKit(getSystem()) {{
1190 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1192 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1193 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1195 SchemaContext schemaContext = TestModel.createTestContext();
1196 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1198 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
1199 persistent(false).build();
1200 Shard.Builder shardBuilder = Shard.builder();
1202 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1203 "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
1204 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1206 expectMsgClass(duration("5 seconds"), Success.class);
1208 shardManager.tell(new FindLocalShard("foo", true), getRef());
1210 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1212 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1213 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
1214 getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1215 assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
1216 new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
1217 shardBuilder.getPeerAddresses().keySet());
1218 assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
1219 shardBuilder.getId());
1220 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1222 // Send CreateShard with same name - should return Success with a message.
1224 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1226 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1227 assertNotNull("Success status is null", success.status());
1230 LOG.info("testOnCreateShard ending");
1234 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1235 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
1236 new JavaTestKit(getSystem()) {{
1237 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1239 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1240 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1242 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1244 Shard.Builder shardBuilder = Shard.builder();
1245 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1246 "foo", null, Arrays.asList("member-5", "member-6"));
1248 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1249 expectMsgClass(duration("5 seconds"), Success.class);
1251 shardManager.tell(new FindLocalShard("foo", true), getRef());
1252 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1254 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1255 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
1256 shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1259 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
1263 public void testOnCreateShardWithNoInitialSchemaContext() {
1264 LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
1265 new JavaTestKit(getSystem()) {{
1266 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1267 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1269 Shard.Builder shardBuilder = Shard.builder();
1271 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1272 "foo", null, Arrays.asList("member-1"));
1273 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1275 expectMsgClass(duration("5 seconds"), Success.class);
1277 SchemaContext schemaContext = TestModel.createTestContext();
1278 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1280 shardManager.tell(new FindLocalShard("foo", true), getRef());
1282 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1284 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1285 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1288 LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
1292 public void testGetSnapshot() throws Throwable {
1293 LOG.info("testGetSnapshot starting");
1294 JavaTestKit kit = new JavaTestKit(getSystem());
1296 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1297 put("shard1", Arrays.asList("member-1")).
1298 put("shard2", Arrays.asList("member-1")).
1299 put("astronauts", Collections.<String>emptyList()).build());
1301 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig).
1302 withDispatcher(Dispatchers.DefaultDispatcherId()));
1304 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1305 Failure failure = kit.expectMsgClass(Failure.class);
1306 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1308 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1310 waitForShardInitialized(shardManager, "shard1", kit);
1311 waitForShardInitialized(shardManager, "shard2", kit);
1313 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1315 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1317 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1318 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1320 Function<ShardSnapshot, String> shardNameTransformer = new Function<ShardSnapshot, String>() {
1322 public String apply(ShardSnapshot s) {
1327 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1328 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1330 // Add a new replica
1332 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1334 TestShardManager shardManagerInstance = shardManager.underlyingActor();
1335 shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1337 shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
1338 mockShardLeaderKit.expectMsgClass(AddServer.class);
1339 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
1340 kit.expectMsgClass(Status.Success.class);
1341 waitForShardInitialized(shardManager, "astronauts", kit);
1343 // Send another GetSnapshot and verify
1345 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1346 datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1348 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
1349 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1351 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1352 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1353 ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
1354 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1355 Sets.newHashSet(snapshot.getShardList()));
1357 LOG.info("testGetSnapshot ending");
1361 public void testRestoreFromSnapshot() throws Throwable {
1362 LOG.info("testRestoreFromSnapshot starting");
1364 datastoreContextBuilder.shardInitializationTimeout(3, TimeUnit.SECONDS);
1366 JavaTestKit kit = new JavaTestKit(getSystem());
1368 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1369 put("shard1", Collections.<String>emptyList()).
1370 put("shard2", Collections.<String>emptyList()).
1371 put("astronauts", Collections.<String>emptyList()).build());
1374 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
1375 DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
1376 SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
1377 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig).
1378 restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
1380 shardManager.underlyingActor().waitForRecoveryComplete();
1382 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1384 waitForShardInitialized(shardManager, "shard1", kit);
1385 waitForShardInitialized(shardManager, "shard2", kit);
1386 waitForShardInitialized(shardManager, "astronauts", kit);
1388 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1390 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1392 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1394 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1395 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1396 snapshot = SerializationUtils.deserialize(snapshotBytes);
1397 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1398 Sets.newHashSet(snapshot.getShardList()));
1400 LOG.info("testRestoreFromSnapshot ending");
1404 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1405 new JavaTestKit(getSystem()) {{
1406 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1407 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1409 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1410 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1412 assertEquals("Failure obtained", true,
1413 (resp.cause() instanceof IllegalArgumentException));
1418 public void testAddShardReplica() throws Exception {
1419 LOG.info("testAddShardReplica starting");
1420 MockConfiguration mockConfig =
1421 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1422 put("default", Arrays.asList("member-1", "member-2")).
1423 put("astronauts", Arrays.asList("member-2")).build());
1425 final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1426 datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
1428 // Create an ActorSystem ShardManager actor for member-1.
1429 final ActorSystem system1 = newActorSystem("Member1");
1430 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1431 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1432 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1433 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
1434 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
1436 // Create an ActorSystem ShardManager actor for member-2.
1437 final ActorSystem system2 = newActorSystem("Member2");
1438 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1440 String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
1441 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1442 TestActorRef.create(system2, Props.create(MockRespondActor.class).
1443 withDispatcher(Dispatchers.DefaultDispatcherId()), name);
1444 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1445 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
1446 new ClusterWrapperImpl(system2)).props().
1447 withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
1449 new JavaTestKit(system1) {{
1451 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1452 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1454 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1456 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1457 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1458 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1459 mock(DataTree.class), leaderVersion), mockShardLeaderActor);
1460 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1461 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1463 newReplicaShardManager.underlyingActor().waitForMemberUp();
1464 leaderShardManager.underlyingActor().waitForMemberUp();
1466 //Have a dummy snapshot to be overwritten by the new data persisted.
1467 String[] restoredShards = {"default", "people"};
1468 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1469 InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
1470 Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
1472 InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
1473 InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
1475 //construct a mock response message
1476 AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
1477 mockShardLeaderActor.underlyingActor().updateResponse(response);
1478 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1479 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1481 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1482 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1483 expectMsgClass(duration("5 seconds"), Status.Success.class);
1485 InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
1486 InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
1487 List<ShardManagerSnapshot> persistedSnapshots =
1488 InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
1489 assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
1490 ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
1491 assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
1492 Sets.newHashSet(shardManagerSnapshot.getShardList()));
1494 LOG.info("testAddShardReplica ending");
1498 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1499 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
1500 new JavaTestKit(getSystem()) {{
1501 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1502 newPropsShardMgrWithMockShardActor(), shardMgrID);
1504 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1505 shardManager.tell(new ActorInitialized(), mockShardActor);
1507 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1508 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1509 ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
1510 Props.create(MockRespondActor.class, addServerReply), leaderId);
1512 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1514 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1515 shardManager.tell(new RoleChangeNotification(newReplicaId,
1516 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1517 shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId,
1518 DataStoreVersions.CURRENT_VERSION), mockShardActor);
1520 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1522 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1524 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1525 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1527 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1528 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1530 // Send message again to verify previous in progress state is cleared
1532 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1533 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1534 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1536 // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
1538 shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
1539 shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
1540 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1541 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1542 expectMsgClass(duration("5 seconds"), Failure.class);
1544 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1545 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1548 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
1552 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1553 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
1554 new JavaTestKit(getSystem()) {{
1555 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1556 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1558 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1559 shardManager.tell(new ActorInitialized(), mockShardActor);
1560 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mock(DataTree.class),
1561 DataStoreVersions.CURRENT_VERSION), getRef());
1562 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1563 RaftState.Leader.name())), mockShardActor);
1565 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1566 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1567 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1569 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1570 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1573 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
1577 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1578 LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
1579 new JavaTestKit(getSystem()) {{
1580 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1582 MockConfiguration mockConfig =
1583 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1584 put("astronauts", Arrays.asList("member-2")).build());
1586 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1587 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1588 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1589 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1591 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1593 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1594 terminateWatcher.watch(mockNewReplicaShardActor);
1596 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1598 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1599 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1600 addServerMsg.getNewServerId());
1601 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1603 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1604 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1606 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1607 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1609 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1611 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1612 mockShardLeaderKit.expectMsgClass(AddServer.class);
1613 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1614 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1615 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1618 LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
1622 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1623 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1624 AddServer.class, new AddShardReplica("astronauts"));
1628 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1629 LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
1630 datastoreContextBuilder.shardInitializationTimeout(100, TimeUnit.MILLISECONDS);
1631 new JavaTestKit(getSystem()) {{
1632 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1633 put("astronauts", Arrays.asList("member-2")).build());
1635 final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
1636 shardActor(mockShardActor).props(), shardMgrID);
1638 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1639 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2",
1640 AddressFromURIString.parse("akka.tcp://non-existent@127.0.0.1:5").toString());
1642 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1643 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1644 assertEquals("Failure obtained", true,
1645 (resp.cause() instanceof RuntimeException));
1648 LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
1652 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1653 new JavaTestKit(getSystem()) {{
1654 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1655 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1657 shardManager.tell(new RemoveShardReplica("model-inventory", "member-1"), getRef());
1658 Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
1659 assertEquals("Failure obtained", true,
1660 (resp.cause() instanceof PrimaryNotFoundException));
1668 public void testRemoveShardReplicaLocal() throws Exception {
1669 new JavaTestKit(getSystem()) {{
1670 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1672 final TestActorRef<MockRespondActor> respondActor =
1673 TestActorRef.create(getSystem(), Props.create(MockRespondActor.class), memberId);
1675 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
1677 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1678 shardManager.tell(new ActorInitialized(), respondActor);
1679 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mock(DataTree.class),
1680 DataStoreVersions.CURRENT_VERSION), getRef());
1681 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1682 RaftState.Leader.name())), respondActor);
1684 respondActor.underlyingActor().updateResponse(new RemoveServerReply(ServerChangeStatus.OK, null));
1685 shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, "member-1"), getRef());
1686 final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor, RemoveServer.class);
1687 assertEquals(new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString(),
1688 removeServer.getServerId());
1689 expectMsgClass(duration("5 seconds"), Success.class);
1694 public void testRemoveShardReplicaRemote() throws Exception {
1695 MockConfiguration mockConfig =
1696 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1697 put("default", Arrays.asList("member-1", "member-2")).
1698 put("astronauts", Arrays.asList("member-1")).build());
1700 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1702 // Create an ActorSystem ShardManager actor for member-1.
1703 final ActorSystem system1 = newActorSystem("Member1");
1704 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1705 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1707 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1708 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
1709 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1712 // Create an ActorSystem ShardManager actor for member-2.
1713 final ActorSystem system2 = newActorSystem("Member2");
1714 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1716 String name = new ShardIdentifier("default", "member-2", shardMrgIDSuffix).toString();
1717 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1718 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1720 LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
1722 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1723 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
1724 new ClusterWrapperImpl(system2)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1727 // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
1728 // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
1729 // However when a shard manager has a local shard which is a follower and a leader that is remote it will
1730 // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
1732 // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
1733 // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
1734 // with the address of an actor which does not exist, therefore any message sent to that actor would go to
1736 // To work around this problem we create a ForwardingActor with the right address and pass to it the
1737 // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
1738 // thing works as expected
1739 final ActorRef actorRef = leaderShardManager.underlyingActor().context()
1740 .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
1742 LOG.error("Forwarding actor : {}", actorRef);
1744 new JavaTestKit(system1) {{
1746 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1747 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1749 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1750 newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1752 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
1753 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1754 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1755 mock(DataTree.class), leaderVersion), mockShardLeaderActor);
1756 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1757 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1759 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
1760 newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2,
1761 mock(DataTree.class), leaderVersion), mockShardActor);
1762 newReplicaShardManager.tell(new RoleChangeNotification(memberId1,
1763 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1765 newReplicaShardManager.underlyingActor().waitForMemberUp();
1766 leaderShardManager.underlyingActor().waitForMemberUp();
1768 //construct a mock response message
1769 RemoveServerReply response = new RemoveServerReply(ServerChangeStatus.OK, memberId2);
1770 mockShardLeaderActor.underlyingActor().updateResponse(response);
1771 newReplicaShardManager.tell(new RemoveShardReplica("default", "member-1"), getRef());
1772 RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1773 RemoveServer.class);
1774 String removeServerId = new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString();
1775 assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
1776 expectMsgClass(duration("5 seconds"), Status.Success.class);
1782 public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
1783 testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", "member-2"),
1784 RemoveServer.class, new RemoveShardReplica("astronauts", "member-3"));
1788 public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
1789 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1790 AddServer.class, new RemoveShardReplica("astronauts", "member-2"));
1794 public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
1795 final Class<?> firstForwardedServerChangeClass,
1796 final Object secondServerChange) throws Exception {
1797 new JavaTestKit(getSystem()) {{
1798 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1799 JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1801 MockConfiguration mockConfig =
1802 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1803 put(shardName, Arrays.asList("member-2")).build());
1805 final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1806 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor).cluster(
1807 new MockClusterWrapper()).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1810 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1812 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1814 shardManager.tell(firstServerChange, getRef());
1816 mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
1818 shardManager.tell(secondServerChange, secondRequestKit.getRef());
1820 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1825 public void testServerRemovedShardActorNotRunning() throws Exception {
1826 LOG.info("testServerRemovedShardActorNotRunning starting");
1827 new JavaTestKit(getSystem()) {{
1828 MockConfiguration mockConfig =
1829 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1830 put("default", Arrays.asList("member-1", "member-2")).
1831 put("astronauts", Arrays.asList("member-2")).
1832 put("people", Arrays.asList("member-1", "member-2")).build());
1834 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
1836 shardManager.underlyingActor().waitForRecoveryComplete();
1837 shardManager.tell(new FindLocalShard("people", false), getRef());
1838 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1840 shardManager.tell(new FindLocalShard("default", false), getRef());
1841 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1843 // Removed the default shard replica from member-1
1844 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1845 ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type(shardMrgIDSuffix).build();
1846 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1848 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1851 LOG.info("testServerRemovedShardActorNotRunning ending");
1855 public void testServerRemovedShardActorRunning() throws Exception {
1856 LOG.info("testServerRemovedShardActorRunning starting");
1857 new JavaTestKit(getSystem()) {{
1858 MockConfiguration mockConfig =
1859 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1860 put("default", Arrays.asList("member-1", "member-2")).
1861 put("astronauts", Arrays.asList("member-2")).
1862 put("people", Arrays.asList("member-1", "member-2")).build());
1864 String shardId = ShardIdentifier.builder().shardName("default").memberName("member-1").
1865 type(shardMrgIDSuffix).build().toString();
1866 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(
1867 MessageCollectorActor.props(), shardId);
1869 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1870 newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1872 shardManager.underlyingActor().waitForRecoveryComplete();
1874 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1875 shardManager.tell(new ActorInitialized(), shard);
1877 waitForShardInitialized(shardManager, "people", this);
1878 waitForShardInitialized(shardManager, "default", this);
1880 // Removed the default shard replica from member-1
1881 shardManager.tell(new ServerRemoved(shardId), getRef());
1883 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1885 MessageCollectorActor.expectFirstMatching(shard, Shutdown.class);
1888 LOG.info("testServerRemovedShardActorRunning ending");
1893 public void testShardPersistenceWithRestoredData() throws Exception {
1894 LOG.info("testShardPersistenceWithRestoredData starting");
1895 new JavaTestKit(getSystem()) {{
1896 MockConfiguration mockConfig =
1897 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1898 put("default", Arrays.asList("member-1", "member-2")).
1899 put("astronauts", Arrays.asList("member-2")).
1900 put("people", Arrays.asList("member-1", "member-2")).build());
1901 String[] restoredShards = {"default", "astronauts"};
1902 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1903 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1905 //create shardManager to come up with restored data
1906 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory.createTestActor(
1907 newShardMgrProps(mockConfig));
1909 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1911 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1912 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1913 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1915 //Verify a local shard is created for the restored shards,
1916 //although we expect a NotInitializedException for the shards as the actor initialization
1917 //message is not sent for them
1918 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1919 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1921 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1922 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1925 LOG.info("testShardPersistenceWithRestoredData ending");
1929 public void testShutDown() throws Exception {
1930 LOG.info("testShutDown starting");
1931 new JavaTestKit(getSystem()) {{
1932 MockConfiguration mockConfig =
1933 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1934 put("shard1", Arrays.asList("member-1")).
1935 put("shard2", Arrays.asList("member-1")).build());
1937 String shardId1 = ShardIdentifier.builder().shardName("shard1").memberName("member-1").
1938 type(shardMrgIDSuffix).build().toString();
1939 TestActorRef<MessageCollectorActor> shard1 = actorFactory.createTestActor(
1940 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId1);
1942 String shardId2 = ShardIdentifier.builder().shardName("shard2").memberName("member-1").
1943 type(shardMrgIDSuffix).build().toString();
1944 TestActorRef<MessageCollectorActor> shard2 = actorFactory.createTestActor(
1945 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId2);
1947 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(
1948 mockConfig).addShardActor("shard1", shard1).addShardActor("shard2", shard2).props().
1949 withDispatcher(Dispatchers.DefaultDispatcherId()));
1951 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1952 shardManager.tell(new ActorInitialized(), shard1);
1953 shardManager.tell(new ActorInitialized(), shard2);
1955 FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
1956 Future<Boolean> stopFuture = Patterns.gracefulStop(shardManager, duration, Shutdown.INSTANCE);
1958 MessageCollectorActor.expectFirstMatching(shard1, Shutdown.class);
1959 MessageCollectorActor.expectFirstMatching(shard2, Shutdown.class);
1962 Await.ready(stopFuture, FiniteDuration.create(500, TimeUnit.MILLISECONDS));
1963 fail("ShardManager actor stopped without waiting for the Shards to be stopped");
1964 } catch(TimeoutException e) {
1968 actorFactory.killActor(shard1, this);
1969 actorFactory.killActor(shard2, this);
1971 Boolean stopped = Await.result(stopFuture, duration);
1972 assertEquals("Stopped", Boolean.TRUE, stopped);
1975 LOG.info("testShutDown ending");
1978 private static class TestShardManager extends ShardManager {
1979 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
1980 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1981 private ShardManagerSnapshot snapshot;
1982 private final Map<String, ActorRef> shardActors;
1983 private final ActorRef shardActor;
1984 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
1985 private CountDownLatch memberUpReceived = new CountDownLatch(1);
1986 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
1987 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
1988 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
1989 private volatile MessageInterceptor messageInterceptor;
1991 private TestShardManager(Builder builder) {
1993 shardActor = builder.shardActor;
1994 shardActors = builder.shardActors;
1998 protected void handleRecover(Object message) throws Exception {
2000 super.handleRecover(message);
2002 if(message instanceof RecoveryCompleted) {
2003 recoveryComplete.countDown();
2009 public void handleCommand(Object message) throws Exception {
2011 if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
2012 getSender().tell(messageInterceptor.apply(message), getSelf());
2014 super.handleCommand(message);
2017 if(message instanceof FindPrimary) {
2018 findPrimaryMessageReceived.countDown();
2019 } else if(message instanceof ClusterEvent.MemberUp) {
2020 String role = ((ClusterEvent.MemberUp)message).member().roles().iterator().next();
2021 if(!getCluster().getCurrentMemberName().equals(role)) {
2022 memberUpReceived.countDown();
2024 } else if(message instanceof ClusterEvent.MemberRemoved) {
2025 String role = ((ClusterEvent.MemberRemoved)message).member().roles().iterator().next();
2026 if(!getCluster().getCurrentMemberName().equals(role)) {
2027 memberRemovedReceived.countDown();
2029 } else if(message instanceof ClusterEvent.UnreachableMember) {
2030 String role = ((ClusterEvent.UnreachableMember)message).member().roles().iterator().next();
2031 if(!getCluster().getCurrentMemberName().equals(role)) {
2032 memberUnreachableReceived.countDown();
2034 } else if(message instanceof ClusterEvent.ReachableMember) {
2035 String role = ((ClusterEvent.ReachableMember)message).member().roles().iterator().next();
2036 if(!getCluster().getCurrentMemberName().equals(role)) {
2037 memberReachableReceived.countDown();
2043 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
2044 this.messageInterceptor = messageInterceptor;
2047 void waitForRecoveryComplete() {
2048 assertEquals("Recovery complete", true,
2049 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
2052 void waitForMemberUp() {
2053 assertEquals("MemberUp received", true,
2054 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
2055 memberUpReceived = new CountDownLatch(1);
2058 void waitForMemberRemoved() {
2059 assertEquals("MemberRemoved received", true,
2060 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
2061 memberRemovedReceived = new CountDownLatch(1);
2064 void waitForUnreachableMember() {
2065 assertEquals("UnreachableMember received", true,
2066 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
2068 memberUnreachableReceived = new CountDownLatch(1);
2071 void waitForReachableMember() {
2072 assertEquals("ReachableMember received", true,
2073 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
2074 memberReachableReceived = new CountDownLatch(1);
2077 void verifyFindPrimary() {
2078 assertEquals("FindPrimary received", true,
2079 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
2080 findPrimaryMessageReceived = new CountDownLatch(1);
2083 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
2084 return new Builder(datastoreContextBuilder);
2087 private static class Builder extends AbstractGenericCreator<Builder, TestShardManager> {
2088 private ActorRef shardActor;
2089 private final Map<String, ActorRef> shardActors = new HashMap<>();
2091 Builder(DatastoreContext.Builder datastoreContextBuilder) {
2092 super(TestShardManager.class);
2093 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
2096 Builder shardActor(ActorRef shardActor) {
2097 this.shardActor = shardActor;
2101 Builder addShardActor(String shardName, ActorRef actorRef){
2102 shardActors.put(shardName, actorRef);
2108 public void saveSnapshot(Object obj) {
2109 snapshot = (ShardManagerSnapshot) obj;
2110 snapshotPersist.countDown();
2111 super.saveSnapshot(obj);
2114 void verifySnapshotPersisted(Set<String> shardList) {
2115 assertEquals("saveSnapshot invoked", true,
2116 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
2117 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
2121 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
2122 if(shardActors.get(info.getShardName()) != null){
2123 return shardActors.get(info.getShardName());
2126 if(shardActor != null) {
2130 return super.newShardActor(schemaContext, info);
2134 private static abstract class AbstractGenericCreator<T extends AbstractGenericCreator<T, ?>, C extends ShardManager>
2135 extends AbstractShardManagerCreator<T> {
2136 private final Class<C> shardManagerClass;
2138 AbstractGenericCreator(Class<C> shardManagerClass) {
2139 this.shardManagerClass = shardManagerClass;
2140 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).
2141 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
2145 public Props props() {
2147 return Props.create(shardManagerClass, this);
2151 private static class GenericCreator<C extends ShardManager> extends AbstractGenericCreator<GenericCreator<C>, C> {
2152 GenericCreator(Class<C> shardManagerClass) {
2153 super(shardManagerClass);
2157 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
2158 private static final long serialVersionUID = 1L;
2159 private final Creator<ShardManager> delegate;
2161 public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
2162 this.delegate = delegate;
2166 public ShardManager create() throws Exception {
2167 return delegate.create();
2171 interface MessageInterceptor extends Function<Object, Object> {
2172 boolean canIntercept(Object message);
2175 private static MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
2176 return new MessageInterceptor(){
2178 public Object apply(Object message) {
2179 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
2183 public boolean canIntercept(Object message) {
2184 return message instanceof FindPrimary;
2189 private static class MockRespondActor extends MessageCollectorActor {
2190 static final String CLEAR_RESPONSE = "clear-response";
2191 static final org.slf4j.Logger LOG = LoggerFactory.getLogger(MockRespondActor.class);
2193 private volatile Object responseMsg;
2195 @SuppressWarnings("unused")
2196 public MockRespondActor() {
2199 @SuppressWarnings("unused")
2200 public MockRespondActor(Object responseMsg) {
2201 this.responseMsg = responseMsg;
2204 public void updateResponse(Object response) {
2205 responseMsg = response;
2209 public void onReceive(Object message) throws Exception {
2210 if(!"get-all-messages".equals(message)) {
2211 LOG.debug("Received message : {}", message);
2213 super.onReceive(message);
2214 if (message instanceof AddServer && responseMsg != null) {
2215 getSender().tell(responseMsg, getSelf());
2216 } else if(message instanceof RemoveServer && responseMsg != null){
2217 getSender().tell(responseMsg, getSelf());
2218 } else if(message.equals(CLEAR_RESPONSE)) {