2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.datastore;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertNull;
14 import static org.junit.Assert.assertSame;
15 import static org.junit.Assert.assertTrue;
16 import static org.junit.Assert.fail;
17 import static org.mockito.Mockito.mock;
18 import static org.mockito.Mockito.never;
19 import static org.mockito.Mockito.times;
20 import static org.mockito.Mockito.verify;
21 import akka.actor.ActorRef;
22 import akka.actor.ActorSystem;
23 import akka.actor.AddressFromURIString;
24 import akka.actor.Props;
25 import akka.actor.Status;
26 import akka.actor.Status.Failure;
27 import akka.actor.Status.Success;
28 import akka.cluster.Cluster;
29 import akka.cluster.ClusterEvent;
30 import akka.dispatch.Dispatchers;
31 import akka.japi.Creator;
32 import akka.pattern.Patterns;
33 import akka.persistence.RecoveryCompleted;
34 import akka.serialization.Serialization;
35 import akka.testkit.JavaTestKit;
36 import akka.testkit.TestActorRef;
37 import akka.util.Timeout;
38 import com.google.common.base.Function;
39 import com.google.common.base.Optional;
40 import com.google.common.base.Stopwatch;
41 import com.google.common.collect.ImmutableMap;
42 import com.google.common.collect.ImmutableSet;
43 import com.google.common.collect.Lists;
44 import com.google.common.collect.Sets;
45 import com.google.common.util.concurrent.Uninterruptibles;
46 import com.typesafe.config.ConfigFactory;
48 import java.util.AbstractMap;
49 import java.util.ArrayList;
50 import java.util.Arrays;
51 import java.util.Collection;
52 import java.util.Collections;
53 import java.util.HashMap;
54 import java.util.List;
56 import java.util.Map.Entry;
58 import java.util.concurrent.CountDownLatch;
59 import java.util.concurrent.TimeUnit;
60 import java.util.concurrent.TimeoutException;
61 import org.apache.commons.lang3.SerializationUtils;
62 import org.junit.After;
63 import org.junit.Before;
64 import org.junit.Test;
65 import org.mockito.Mock;
66 import org.mockito.Mockito;
67 import org.mockito.MockitoAnnotations;
68 import org.opendaylight.controller.cluster.datastore.config.Configuration;
69 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
70 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
71 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
72 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
73 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
74 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
75 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
76 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
77 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
78 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
79 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
80 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
81 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
82 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
83 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
84 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
85 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
86 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
87 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
88 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
89 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
90 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
91 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
92 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
93 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
94 import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
95 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
96 import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
97 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
98 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
99 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
100 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
101 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
102 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
103 import org.opendaylight.controller.cluster.raft.RaftState;
104 import org.opendaylight.controller.cluster.raft.TestActorFactory;
105 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
106 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
107 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
108 import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
109 import org.opendaylight.controller.cluster.raft.messages.AddServer;
110 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
111 import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
112 import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
113 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
114 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
115 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
116 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
117 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
118 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
119 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
120 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
121 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
122 import org.slf4j.Logger;
123 import org.slf4j.LoggerFactory;
124 import scala.concurrent.Await;
125 import scala.concurrent.Future;
126 import scala.concurrent.duration.FiniteDuration;
128 public class ShardManagerTest extends AbstractActorTest {
129 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
131 private static int ID_COUNTER = 1;
133 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
134 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
137 private static CountDownLatch ready;
139 private static TestActorRef<MessageCollectorActor> mockShardActor;
141 private static String mockShardName;
143 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
144 dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
145 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
147 private final Collection<ActorSystem> actorSystems = new ArrayList<>();
149 private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
152 public void setUp() {
153 MockitoAnnotations.initMocks(this);
155 InMemoryJournal.clear();
156 InMemorySnapshotStore.clear();
158 if(mockShardActor == null) {
159 mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
160 mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), mockShardName);
163 mockShardActor.underlyingActor().clear();
167 public void tearDown() {
168 InMemoryJournal.clear();
169 InMemorySnapshotStore.clear();
171 for(ActorSystem system: actorSystems) {
172 JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
175 actorFactory.close();
178 private ActorSystem newActorSystem(String config) {
179 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
180 actorSystems.add(system);
184 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
185 String name = new ShardIdentifier(shardName, memberName,"config").toString();
186 if(system == getSystem()) {
187 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
190 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
193 private Props newShardMgrProps() {
194 return newShardMgrProps(new MockConfiguration());
197 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
198 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
199 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
200 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
204 private TestShardManager.Builder newTestShardMgrBuilder() {
205 return TestShardManager.builder(datastoreContextBuilder);
208 private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
209 return TestShardManager.builder(datastoreContextBuilder).configuration(config);
212 private Props newShardMgrProps(Configuration config) {
213 return newTestShardMgrBuilder(config).props();
216 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
217 return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
220 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
221 return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
225 private Props newPropsShardMgrWithMockShardActor() {
226 return newTestShardMgrBuilderWithMockShardActor().props();
229 private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
230 return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
234 private TestShardManager newTestShardManager() {
235 return newTestShardManager(newShardMgrProps());
238 private TestShardManager newTestShardManager(Props props) {
239 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
240 TestShardManager shardManager = shardManagerActor.underlyingActor();
241 shardManager.waitForRecoveryComplete();
245 private void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
246 AssertionError last = null;
247 Stopwatch sw = Stopwatch.createStarted();
248 while(sw.elapsed(TimeUnit.SECONDS) <= 5) {
250 shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
251 kit.expectMsgClass(LocalShardFound.class);
253 } catch(AssertionError e) {
257 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
263 private <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
264 Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
265 if(reply instanceof Failure) {
266 throw new AssertionError(msg + " failed", ((Failure)reply).cause());
273 public void testPerShardDatastoreContext() throws Exception {
274 LOG.info("testPerShardDatastoreContext starting");
275 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
276 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
278 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
279 shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
281 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
282 shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
284 final MockConfiguration mockConfig = new MockConfiguration() {
286 public Collection<String> getMemberShardNames(String memberName) {
287 return Arrays.asList("default", "topology");
291 public Collection<String> getMembersFromShardName(String shardName) {
292 return Arrays.asList("member-1");
296 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
297 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
298 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
299 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
301 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
302 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
303 shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
304 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
306 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
307 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
308 class LocalShardManager extends ShardManager {
309 public LocalShardManager(AbstractBuilder<?> builder) {
314 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
315 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
318 ref = entry.getKey();
319 entry.setValue(info.getDatastoreContext());
322 newShardActorLatch.countDown();
327 final Creator<ShardManager> creator = new Creator<ShardManager>() {
328 private static final long serialVersionUID = 1L;
330 public ShardManager create() throws Exception {
331 return new LocalShardManager(new GenericBuilder<LocalShardManager>(LocalShardManager.class).
332 datastoreContextFactory(mockFactory).primaryShardInfoCache(primaryShardInfoCache).
333 configuration(mockConfig));
337 JavaTestKit kit = new JavaTestKit(getSystem());
339 final ActorRef shardManager = actorFactory.createActor(Props.create(
340 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
342 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
344 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
345 assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
346 getShardElectionTimeoutFactor());
347 assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
348 getShardElectionTimeoutFactor());
350 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
351 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
352 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
353 shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
355 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
356 shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
358 shardManager.tell(newMockFactory, kit.getRef());
360 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
361 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
363 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
364 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
366 LOG.info("testPerShardDatastoreContext ending");
370 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
371 new JavaTestKit(getSystem()) {{
372 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
374 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
376 shardManager.tell(new FindPrimary("non-existent", false), getRef());
378 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
383 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
384 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
385 new JavaTestKit(getSystem()) {{
386 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
388 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
390 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
391 shardManager.tell(new ActorInitialized(), mockShardActor);
393 DataTree mockDataTree = mock(DataTree.class);
394 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
395 DataStoreVersions.CURRENT_VERSION), getRef());
397 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
398 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
399 RaftState.Leader.name())), mockShardActor);
401 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
403 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
404 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
405 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
406 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
409 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
413 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
414 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
415 new JavaTestKit(getSystem()) {{
416 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
418 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
419 shardManager.tell(new ActorInitialized(), mockShardActor);
421 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
422 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
423 shardManager.tell(new RoleChangeNotification(memberId1,
424 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
425 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
427 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
429 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
432 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
436 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
437 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
438 new JavaTestKit(getSystem()) {{
439 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
441 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
442 shardManager.tell(new ActorInitialized(), mockShardActor);
444 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
445 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
447 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
448 shardManager.tell(new RoleChangeNotification(memberId1,
449 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
450 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
451 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
452 leaderVersion), mockShardActor);
454 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
456 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
457 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
458 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
459 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
462 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
466 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
467 new JavaTestKit(getSystem()) {{
468 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
470 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
472 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
477 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
478 new JavaTestKit(getSystem()) {{
479 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
481 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
482 shardManager.tell(new ActorInitialized(), mockShardActor);
484 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
486 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
491 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
492 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
493 new JavaTestKit(getSystem()) {{
494 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
496 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
497 shardManager.tell(new ActorInitialized(), mockShardActor);
499 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
500 shardManager.tell(new RoleChangeNotification(memberId,
501 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
503 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
505 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
507 DataTree mockDataTree = mock(DataTree.class);
508 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
509 DataStoreVersions.CURRENT_VERSION), mockShardActor);
511 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
513 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
514 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
515 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
516 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
519 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
523 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
524 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
525 new JavaTestKit(getSystem()) {{
526 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
528 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
530 // We're passing waitUntilInitialized = true to FindPrimary so the response should be
531 // delayed until we send ActorInitialized and RoleChangeNotification.
532 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
534 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
536 shardManager.tell(new ActorInitialized(), mockShardActor);
538 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
540 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
541 shardManager.tell(new RoleChangeNotification(memberId,
542 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
544 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
546 DataTree mockDataTree = mock(DataTree.class);
547 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
548 DataStoreVersions.CURRENT_VERSION), mockShardActor);
550 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
551 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
552 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
553 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
555 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
558 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
562 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
563 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
564 new JavaTestKit(getSystem()) {{
565 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
567 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
569 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
571 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
573 shardManager.tell(new ActorInitialized(), mockShardActor);
575 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
578 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
582 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
583 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
584 new JavaTestKit(getSystem()) {{
585 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
587 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
588 shardManager.tell(new ActorInitialized(), mockShardActor);
589 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
590 null, RaftState.Candidate.name()), mockShardActor);
592 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
594 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
597 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
601 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
602 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
603 new JavaTestKit(getSystem()) {{
604 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
606 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
607 shardManager.tell(new ActorInitialized(), mockShardActor);
608 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
609 null, RaftState.IsolatedLeader.name()), mockShardActor);
611 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
613 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
616 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
620 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
621 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
622 new JavaTestKit(getSystem()) {{
623 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
625 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
626 shardManager.tell(new ActorInitialized(), mockShardActor);
628 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
630 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
633 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
637 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
638 LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
639 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
641 // Create an ActorSystem ShardManager actor for member-1.
643 final ActorSystem system1 = newActorSystem("Member1");
644 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
646 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
647 newTestShardMgrBuilderWithMockShardActor().cluster(
648 new ClusterWrapperImpl(system1)).props(), shardManagerID);
650 // Create an ActorSystem ShardManager actor for member-2.
652 final ActorSystem system2 = newActorSystem("Member2");
654 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
656 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
658 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
659 put("default", Arrays.asList("member-1", "member-2")).
660 put("astronauts", Arrays.asList("member-2")).build());
662 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
663 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
664 new ClusterWrapperImpl(system2)).props(), shardManagerID);
666 new JavaTestKit(system1) {{
668 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
669 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
671 shardManager2.tell(new ActorInitialized(), mockShardActor2);
673 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
674 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
675 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
676 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor2);
677 shardManager2.tell(new RoleChangeNotification(memberId2,
678 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
680 shardManager1.underlyingActor().waitForMemberUp();
682 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
684 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
685 String path = found.getPrimaryPath();
686 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
687 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
689 shardManager2.underlyingActor().verifyFindPrimary();
691 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
693 shardManager1.underlyingActor().waitForMemberRemoved();
695 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
697 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
700 LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
704 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
705 LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
706 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
708 // Create an ActorSystem ShardManager actor for member-1.
710 final ActorSystem system1 = newActorSystem("Member1");
711 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
713 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
715 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
716 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
717 new ClusterWrapperImpl(system1)).props(), shardManagerID);
719 // Create an ActorSystem ShardManager actor for member-2.
721 final ActorSystem system2 = newActorSystem("Member2");
723 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
725 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
727 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
728 put("default", Arrays.asList("member-1", "member-2")).build());
730 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
731 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
732 new ClusterWrapperImpl(system2)).props(), shardManagerID);
734 new JavaTestKit(system1) {{
736 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
737 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
738 shardManager1.tell(new ActorInitialized(), mockShardActor1);
739 shardManager2.tell(new ActorInitialized(), mockShardActor2);
741 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
742 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
743 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
744 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
745 shardManager1.tell(new RoleChangeNotification(memberId1,
746 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
747 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
748 DataStoreVersions.CURRENT_VERSION),
750 shardManager2.tell(new RoleChangeNotification(memberId2,
751 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
752 shardManager1.underlyingActor().waitForMemberUp();
754 shardManager1.tell(new FindPrimary("default", true), getRef());
756 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
757 String path = found.getPrimaryPath();
758 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
760 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
761 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
763 shardManager1.underlyingActor().waitForUnreachableMember();
765 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
766 assertEquals("getMemberName", "member-2", peerDown.getMemberName());
767 MessageCollectorActor.clearMessages(mockShardActor1);
769 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
770 createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
772 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
774 shardManager1.tell(new FindPrimary("default", true), getRef());
776 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
778 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
779 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
781 shardManager1.underlyingActor().waitForReachableMember();
783 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
784 assertEquals("getMemberName", "member-2", peerUp.getMemberName());
785 MessageCollectorActor.clearMessages(mockShardActor1);
787 shardManager1.tell(new FindPrimary("default", true), getRef());
789 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
790 String path1 = found1.getPrimaryPath();
791 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
793 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
794 createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
796 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
798 // Test FindPrimary wait succeeds after reachable member event.
800 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
801 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
802 shardManager1.underlyingActor().waitForUnreachableMember();
804 shardManager1.tell(new FindPrimary("default", true), getRef());
806 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
807 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
809 RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
810 String path2 = found2.getPrimaryPath();
811 assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
814 LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
818 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
819 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange starting");
820 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
822 // Create an ActorSystem ShardManager actor for member-1.
824 final ActorSystem system1 = newActorSystem("Member1");
825 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
827 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
829 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
830 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
831 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
832 new ClusterWrapperImpl(system1)).primaryShardInfoCache(primaryShardInfoCache).props(),
835 // Create an ActorSystem ShardManager actor for member-2.
837 final ActorSystem system2 = newActorSystem("Member2");
839 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
841 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
843 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
844 put("default", Arrays.asList("member-1", "member-2")).build());
846 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
847 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
848 new ClusterWrapperImpl(system2)).props(), shardManagerID);
850 new JavaTestKit(system1) {{
851 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
852 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
853 shardManager1.tell(new ActorInitialized(), mockShardActor1);
854 shardManager2.tell(new ActorInitialized(), mockShardActor2);
856 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
857 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
858 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
859 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
860 shardManager1.tell(new RoleChangeNotification(memberId1,
861 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
862 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
863 DataStoreVersions.CURRENT_VERSION),
865 shardManager2.tell(new RoleChangeNotification(memberId2,
866 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
867 shardManager1.underlyingActor().waitForMemberUp();
869 shardManager1.tell(new FindPrimary("default", true), getRef());
871 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
872 String path = found.getPrimaryPath();
873 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
875 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
876 mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
878 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
879 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
881 shardManager1.underlyingActor().waitForUnreachableMember();
883 shardManager1.tell(new FindPrimary("default", true), getRef());
885 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
887 assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
889 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
890 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
891 shardManager1.tell(new RoleChangeNotification(memberId1,
892 RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
894 shardManager1.tell(new FindPrimary("default", true), getRef());
896 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
897 String path1 = found1.getPrimaryPath();
898 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
902 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
907 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
908 new JavaTestKit(getSystem()) {{
909 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
911 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
913 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
915 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
917 assertEquals("getShardName", "non-existent", notFound.getShardName());
922 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
923 new JavaTestKit(getSystem()) {{
924 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
926 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
927 shardManager.tell(new ActorInitialized(), mockShardActor);
929 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
931 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
933 assertTrue("Found path contains " + found.getPath().path().toString(),
934 found.getPath().path().toString().contains("member-1-shard-default-config"));
939 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
940 new JavaTestKit(getSystem()) {{
941 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
943 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
945 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
950 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
951 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
952 new JavaTestKit(getSystem()) {{
953 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
955 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
957 // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
958 // delayed until we send ActorInitialized.
959 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
960 new Timeout(5, TimeUnit.SECONDS));
962 shardManager.tell(new ActorInitialized(), mockShardActor);
964 Object resp = Await.result(future, duration("5 seconds"));
965 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
968 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
972 public void testOnRecoveryJournalIsCleaned() {
973 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
974 InMemoryJournal.addEntry(persistenceID, 1L, new ShardManager.SchemaContextModules(
975 ImmutableSet.of("foo")));
976 InMemoryJournal.addEntry(persistenceID, 2L, new ShardManager.SchemaContextModules(
977 ImmutableSet.of("bar")));
978 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
980 TestShardManager shardManager = newTestShardManager();
982 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
984 // Journal entries up to the last one should've been deleted
985 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
986 synchronized (journal) {
987 assertEquals("Journal size", 0, journal.size());
992 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
993 TestShardManager shardManager = newTestShardManager();
995 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
996 shardManager.onReceiveCommand(new RoleChangeNotification(
997 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
999 verify(ready, never()).countDown();
1001 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
1002 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
1004 verify(ready, times(1)).countDown();
1008 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
1009 new JavaTestKit(getSystem()) {{
1010 TestShardManager shardManager = newTestShardManager();
1012 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1013 shardManager.onReceiveCommand(new RoleChangeNotification(
1014 memberId, null, RaftState.Follower.name()));
1016 verify(ready, never()).countDown();
1018 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1020 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1021 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1022 DataStoreVersions.CURRENT_VERSION));
1024 verify(ready, times(1)).countDown();
1029 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
1030 new JavaTestKit(getSystem()) {{
1031 TestShardManager shardManager = newTestShardManager();
1033 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1034 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1036 verify(ready, never()).countDown();
1038 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
1039 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
1040 DataStoreVersions.CURRENT_VERSION));
1042 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1044 verify(ready, times(1)).countDown();
1049 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
1050 TestShardManager shardManager = newTestShardManager();
1052 shardManager.onReceiveCommand(new RoleChangeNotification(
1053 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
1055 verify(ready, never()).countDown();
1059 public void testByDefaultSyncStatusIsFalse() throws Exception{
1060 TestShardManager shardManager = newTestShardManager();
1062 assertEquals(false, shardManager.getMBean().getSyncStatus());
1066 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
1067 TestShardManager shardManager = newTestShardManager();
1069 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
1070 RaftState.Follower.name(), RaftState.Leader.name()));
1072 assertEquals(true, shardManager.getMBean().getSyncStatus());
1076 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
1077 TestShardManager shardManager = newTestShardManager();
1079 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1080 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1081 RaftState.Follower.name(), RaftState.Candidate.name()));
1083 assertEquals(false, shardManager.getMBean().getSyncStatus());
1085 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
1086 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
1089 assertEquals(false, shardManager.getMBean().getSyncStatus());
1093 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
1094 TestShardManager shardManager = newTestShardManager();
1096 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1097 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1098 RaftState.Candidate.name(), RaftState.Follower.name()));
1100 // Initially will be false
1101 assertEquals(false, shardManager.getMBean().getSyncStatus());
1103 // Send status true will make sync status true
1104 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1106 assertEquals(true, shardManager.getMBean().getSyncStatus());
1108 // Send status false will make sync status false
1109 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1111 assertEquals(false, shardManager.getMBean().getSyncStatus());
1116 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
1117 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
1118 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1120 public List<String> getMemberShardNames(String memberName) {
1121 return Arrays.asList("default", "astronauts");
1125 // Initially will be false
1126 assertEquals(false, shardManager.getMBean().getSyncStatus());
1128 // Make default shard leader
1129 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1130 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1131 RaftState.Follower.name(), RaftState.Leader.name()));
1133 // default = Leader, astronauts is unknown so sync status remains false
1134 assertEquals(false, shardManager.getMBean().getSyncStatus());
1136 // Make astronauts shard leader as well
1137 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1138 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1139 RaftState.Follower.name(), RaftState.Leader.name()));
1141 // Now sync status should be true
1142 assertEquals(true, shardManager.getMBean().getSyncStatus());
1144 // Make astronauts a Follower
1145 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1146 RaftState.Leader.name(), RaftState.Follower.name()));
1148 // Sync status is not true
1149 assertEquals(false, shardManager.getMBean().getSyncStatus());
1151 // Make the astronauts follower sync status true
1152 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1154 // Sync status is now true
1155 assertEquals(true, shardManager.getMBean().getSyncStatus());
1157 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
1161 public void testOnReceiveSwitchShardBehavior() throws Exception {
1162 new JavaTestKit(getSystem()) {{
1163 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1165 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1166 shardManager.tell(new ActorInitialized(), mockShardActor);
1168 shardManager.tell(new SwitchShardBehavior(mockShardName, "Leader", 1000), getRef());
1170 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
1172 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1173 assertEquals(1000, switchBehavior.getNewTerm());
1178 public void testOnCreateShard() {
1179 LOG.info("testOnCreateShard starting");
1180 new JavaTestKit(getSystem()) {{
1181 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1183 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1184 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1186 SchemaContext schemaContext = TestModel.createTestContext();
1187 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1189 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
1190 persistent(false).build();
1191 Shard.Builder shardBuilder = Shard.builder();
1193 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1194 "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
1195 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1197 expectMsgClass(duration("5 seconds"), Success.class);
1199 shardManager.tell(new FindLocalShard("foo", true), getRef());
1201 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1203 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1204 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
1205 getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1206 assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
1207 new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
1208 shardBuilder.getPeerAddresses().keySet());
1209 assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
1210 shardBuilder.getId());
1211 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1213 // Send CreateShard with same name - should return Success with a message.
1215 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1217 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1218 assertNotNull("Success status is null", success.status());
1221 LOG.info("testOnCreateShard ending");
1225 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1226 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
1227 new JavaTestKit(getSystem()) {{
1228 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1230 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1231 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1233 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1235 Shard.Builder shardBuilder = Shard.builder();
1236 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1237 "foo", null, Arrays.asList("member-5", "member-6"));
1239 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1240 expectMsgClass(duration("5 seconds"), Success.class);
1242 shardManager.tell(new FindLocalShard("foo", true), getRef());
1243 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1245 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1246 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
1247 shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1250 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
1254 public void testOnCreateShardWithNoInitialSchemaContext() {
1255 LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
1256 new JavaTestKit(getSystem()) {{
1257 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1258 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1260 Shard.Builder shardBuilder = Shard.builder();
1262 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1263 "foo", null, Arrays.asList("member-1"));
1264 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1266 expectMsgClass(duration("5 seconds"), Success.class);
1268 SchemaContext schemaContext = TestModel.createTestContext();
1269 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1271 shardManager.tell(new FindLocalShard("foo", true), getRef());
1273 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1275 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1276 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1279 LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
1283 public void testGetSnapshot() throws Throwable {
1284 LOG.info("testGetSnapshot starting");
1285 JavaTestKit kit = new JavaTestKit(getSystem());
1287 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1288 put("shard1", Arrays.asList("member-1")).
1289 put("shard2", Arrays.asList("member-1")).
1290 put("astronauts", Collections.<String>emptyList()).build());
1292 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig).
1293 withDispatcher(Dispatchers.DefaultDispatcherId()));
1295 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1296 Failure failure = kit.expectMsgClass(Failure.class);
1297 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1299 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1301 waitForShardInitialized(shardManager, "shard1", kit);
1302 waitForShardInitialized(shardManager, "shard2", kit);
1304 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1306 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1308 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1309 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1311 Function<ShardSnapshot, String> shardNameTransformer = new Function<ShardSnapshot, String>() {
1313 public String apply(ShardSnapshot s) {
1318 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1319 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1321 // Add a new replica
1323 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1325 TestShardManager shardManagerInstance = shardManager.underlyingActor();
1326 shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1328 shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
1329 mockShardLeaderKit.expectMsgClass(AddServer.class);
1330 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
1331 kit.expectMsgClass(Status.Success.class);
1332 waitForShardInitialized(shardManager, "astronauts", kit);
1334 // Send another GetSnapshot and verify
1336 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1337 datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1339 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
1340 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1342 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1343 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1344 ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
1345 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1346 Sets.newHashSet(snapshot.getShardList()));
1348 LOG.info("testGetSnapshot ending");
1352 public void testRestoreFromSnapshot() throws Throwable {
1353 LOG.info("testRestoreFromSnapshot starting");
1355 JavaTestKit kit = new JavaTestKit(getSystem());
1357 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1358 put("shard1", Collections.<String>emptyList()).
1359 put("shard2", Collections.<String>emptyList()).
1360 put("astronauts", Collections.<String>emptyList()).build());
1363 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
1364 DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
1365 SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
1366 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig).
1367 restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
1369 shardManager.underlyingActor().waitForRecoveryComplete();
1371 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1373 waitForShardInitialized(shardManager, "shard1", kit);
1374 waitForShardInitialized(shardManager, "shard2", kit);
1375 waitForShardInitialized(shardManager, "astronauts", kit);
1377 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1379 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1381 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1383 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1384 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1385 snapshot = SerializationUtils.deserialize(snapshotBytes);
1386 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1387 Sets.newHashSet(snapshot.getShardList()));
1389 LOG.info("testRestoreFromSnapshot ending");
1393 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1394 new JavaTestKit(getSystem()) {{
1395 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1396 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1398 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1399 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1401 assertEquals("Failure obtained", true,
1402 (resp.cause() instanceof IllegalArgumentException));
1407 public void testAddShardReplica() throws Exception {
1408 MockConfiguration mockConfig =
1409 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1410 put("default", Arrays.asList("member-1", "member-2")).
1411 put("astronauts", Arrays.asList("member-2")).build());
1413 final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1414 datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
1416 // Create an ActorSystem ShardManager actor for member-1.
1417 final ActorSystem system1 = newActorSystem("Member1");
1418 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1419 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1420 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1421 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
1422 new ClusterWrapperImpl(system1)).props(), shardManagerID);
1424 // Create an ActorSystem ShardManager actor for member-2.
1425 final ActorSystem system2 = newActorSystem("Member2");
1426 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1428 String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
1429 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1430 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1431 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1432 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
1433 new ClusterWrapperImpl(system2)).props(), shardManagerID);
1435 new JavaTestKit(system1) {{
1437 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1438 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1440 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1442 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1443 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1444 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1445 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1446 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1447 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1449 newReplicaShardManager.underlyingActor().waitForMemberUp();
1450 leaderShardManager.underlyingActor().waitForMemberUp();
1452 //Have a dummy snapshot to be overwritten by the new data persisted.
1453 String[] restoredShards = {"default", "people"};
1454 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1455 InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
1456 Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
1458 InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
1459 InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
1461 //construct a mock response message
1462 AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
1463 mockShardLeaderActor.underlyingActor().updateResponse(response);
1464 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1465 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1467 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1468 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1469 expectMsgClass(duration("5 seconds"), Status.Success.class);
1471 InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
1472 InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
1473 List<ShardManagerSnapshot> persistedSnapshots =
1474 InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
1475 assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
1476 ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
1477 assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
1478 Sets.newHashSet(shardManagerSnapshot.getShardList()));
1481 LOG.info("testAddShardReplica ending");
1485 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1486 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
1487 new JavaTestKit(getSystem()) {{
1488 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1489 newPropsShardMgrWithMockShardActor(), shardMgrID);
1491 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1492 shardManager.tell(new ActorInitialized(), mockShardActor);
1494 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1495 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1496 ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
1497 Props.create(MockRespondActor.class, addServerReply), leaderId);
1499 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1501 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1502 shardManager.tell(new RoleChangeNotification(newReplicaId,
1503 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1504 shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
1505 DataStoreVersions.CURRENT_VERSION), mockShardActor);
1507 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1509 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1511 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1512 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1514 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1515 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1517 // Send message again to verify previous in progress state is cleared
1519 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1520 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1521 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1523 // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
1525 shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
1526 shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
1527 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1528 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1529 expectMsgClass(duration("5 seconds"), Failure.class);
1531 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1532 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1535 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
1539 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1540 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
1541 new JavaTestKit(getSystem()) {{
1542 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1543 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1545 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1546 shardManager.tell(new ActorInitialized(), mockShardActor);
1547 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1548 DataStoreVersions.CURRENT_VERSION), getRef());
1549 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1550 RaftState.Leader.name())), mockShardActor);
1552 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1553 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1554 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1556 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1557 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1560 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
1564 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1565 LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
1566 new JavaTestKit(getSystem()) {{
1567 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1569 MockConfiguration mockConfig =
1570 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1571 put("astronauts", Arrays.asList("member-2")).build());
1573 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1574 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1575 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1576 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1578 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1580 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1581 terminateWatcher.watch(mockNewReplicaShardActor);
1583 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1585 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1586 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1587 addServerMsg.getNewServerId());
1588 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1590 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1591 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1593 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1594 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1596 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1598 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1599 mockShardLeaderKit.expectMsgClass(AddServer.class);
1600 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1601 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1602 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1605 LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
1609 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1610 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1611 AddServer.class, new AddShardReplica("astronauts"));
1615 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1616 LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
1617 new JavaTestKit(getSystem()) {{
1618 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1619 put("astronauts", Arrays.asList("member-2")).build());
1621 final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
1622 shardActor(mockShardActor).props(), shardMgrID);
1624 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1625 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2", getRef().path().toString());
1627 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1628 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1629 assertEquals("Failure obtained", true,
1630 (resp.cause() instanceof RuntimeException));
1633 LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
1637 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1638 new JavaTestKit(getSystem()) {{
1639 ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
1640 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1642 shardManager.tell(new RemoveShardReplica("model-inventory", "member-1"), getRef());
1643 Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
1644 assertEquals("Failure obtained", true,
1645 (resp.cause() instanceof PrimaryNotFoundException));
1653 public void testRemoveShardReplicaLocal() throws Exception {
1654 new JavaTestKit(getSystem()) {{
1655 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1657 final TestActorRef<MockRespondActor> respondActor =
1658 TestActorRef.create(getSystem(), Props.create(MockRespondActor.class), memberId);
1660 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
1662 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1663 shardManager.tell(new ActorInitialized(), respondActor);
1664 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1665 DataStoreVersions.CURRENT_VERSION), getRef());
1666 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1667 RaftState.Leader.name())), respondActor);
1669 respondActor.underlyingActor().updateResponse(new RemoveServerReply(ServerChangeStatus.OK, null));
1670 shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, "member-1"), getRef());
1671 final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor, RemoveServer.class);
1672 assertEquals(new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString(),
1673 removeServer.getServerId());
1674 expectMsgClass(duration("5 seconds"), Success.class);
1679 public void testRemoveShardReplicaRemote() throws Exception {
1680 MockConfiguration mockConfig =
1681 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1682 put("default", Arrays.asList("member-1", "member-2")).
1683 put("astronauts", Arrays.asList("member-1")).build());
1685 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1687 // Create an ActorSystem ShardManager actor for member-1.
1688 final ActorSystem system1 = newActorSystem("Member1");
1689 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1690 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1692 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1693 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
1694 new ClusterWrapperImpl(system1)).props(),
1697 // Create an ActorSystem ShardManager actor for member-2.
1698 final ActorSystem system2 = newActorSystem("Member2");
1699 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1701 String name = new ShardIdentifier("default", "member-2", shardMrgIDSuffix).toString();
1702 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1703 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1705 LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
1707 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1708 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
1709 new ClusterWrapperImpl(system2)).props(),
1712 // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
1713 // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
1714 // However when a shard manager has a local shard which is a follower and a leader that is remote it will
1715 // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
1717 // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
1718 // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
1719 // with the address of an actor which does not exist, therefore any message sent to that actor would go to
1721 // To work around this problem we create a ForwardingActor with the right address and pass to it the
1722 // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
1723 // thing works as expected
1724 final ActorRef actorRef = leaderShardManager.underlyingActor().context()
1725 .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
1727 LOG.error("Forwarding actor : {}", actorRef);
1729 new JavaTestKit(system1) {{
1731 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1732 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1734 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1735 newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1737 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
1738 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1739 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1740 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1741 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1742 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1744 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
1745 newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2,
1746 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor);
1747 newReplicaShardManager.tell(new RoleChangeNotification(memberId1,
1748 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1750 newReplicaShardManager.underlyingActor().waitForMemberUp();
1751 leaderShardManager.underlyingActor().waitForMemberUp();
1753 //construct a mock response message
1754 RemoveServerReply response = new RemoveServerReply(ServerChangeStatus.OK, memberId2);
1755 mockShardLeaderActor.underlyingActor().updateResponse(response);
1756 newReplicaShardManager.tell(new RemoveShardReplica("default", "member-1"), getRef());
1757 RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1758 RemoveServer.class);
1759 String removeServerId = new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString();
1760 assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
1761 expectMsgClass(duration("5 seconds"), Status.Success.class);
1767 public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
1768 testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", "member-2"),
1769 RemoveServer.class, new RemoveShardReplica("astronauts", "member-3"));
1773 public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
1774 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1775 AddServer.class, new RemoveShardReplica("astronauts", "member-2"));
1779 public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
1780 final Class firstForwardedServerChangeClass,
1781 final Object secondServerChange) throws Exception {
1782 new JavaTestKit(getSystem()) {{
1783 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1784 JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1786 MockConfiguration mockConfig =
1787 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1788 put(shardName, Arrays.asList("member-2")).build());
1790 final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1791 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor).cluster(
1792 new MockClusterWrapper()).props(),
1795 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1797 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1799 shardManager.tell(firstServerChange, getRef());
1801 mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
1803 shardManager.tell(secondServerChange, secondRequestKit.getRef());
1805 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1810 public void testServerRemovedShardActorNotRunning() throws Exception {
1811 LOG.info("testServerRemovedShardActorNotRunning starting");
1812 new JavaTestKit(getSystem()) {{
1813 MockConfiguration mockConfig =
1814 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1815 put("default", Arrays.asList("member-1", "member-2")).
1816 put("astronauts", Arrays.asList("member-2")).
1817 put("people", Arrays.asList("member-1", "member-2")).build());
1819 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
1821 shardManager.underlyingActor().waitForRecoveryComplete();
1822 shardManager.tell(new FindLocalShard("people", false), getRef());
1823 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1825 shardManager.tell(new FindLocalShard("default", false), getRef());
1826 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1828 // Removed the default shard replica from member-1
1829 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1830 ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type(shardMrgIDSuffix).build();
1831 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1833 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1836 LOG.info("testServerRemovedShardActorNotRunning ending");
1840 public void testServerRemovedShardActorRunning() throws Exception {
1841 LOG.info("testServerRemovedShardActorRunning starting");
1842 new JavaTestKit(getSystem()) {{
1843 MockConfiguration mockConfig =
1844 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1845 put("default", Arrays.asList("member-1", "member-2")).
1846 put("astronauts", Arrays.asList("member-2")).
1847 put("people", Arrays.asList("member-1", "member-2")).build());
1849 String shardId = ShardIdentifier.builder().shardName("default").memberName("member-1").
1850 type(shardMrgIDSuffix).build().toString();
1851 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(
1852 MessageCollectorActor.props(), shardId);
1854 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1855 newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1857 shardManager.underlyingActor().waitForRecoveryComplete();
1859 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1860 shardManager.tell(new ActorInitialized(), shard);
1862 waitForShardInitialized(shardManager, "people", this);
1863 waitForShardInitialized(shardManager, "default", this);
1865 // Removed the default shard replica from member-1
1866 shardManager.tell(new ServerRemoved(shardId), getRef());
1868 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1870 MessageCollectorActor.expectFirstMatching(shard, Shutdown.class);
1873 LOG.info("testServerRemovedShardActorRunning ending");
1878 public void testShardPersistenceWithRestoredData() throws Exception {
1879 LOG.info("testShardPersistenceWithRestoredData starting");
1880 new JavaTestKit(getSystem()) {{
1881 MockConfiguration mockConfig =
1882 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1883 put("default", Arrays.asList("member-1", "member-2")).
1884 put("astronauts", Arrays.asList("member-2")).
1885 put("people", Arrays.asList("member-1", "member-2")).build());
1886 String[] restoredShards = {"default", "astronauts"};
1887 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1888 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1890 //create shardManager to come up with restored data
1891 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory.createTestActor(
1892 newShardMgrProps(mockConfig));
1894 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1896 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1897 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1898 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1900 //Verify a local shard is created for the restored shards,
1901 //although we expect a NotInitializedException for the shards as the actor initialization
1902 //message is not sent for them
1903 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1904 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1906 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1907 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1910 LOG.info("testShardPersistenceWithRestoredData ending");
1914 public void testShutDown() throws Exception {
1915 LOG.info("testShutDown starting");
1916 new JavaTestKit(getSystem()) {{
1917 MockConfiguration mockConfig =
1918 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1919 put("shard1", Arrays.asList("member-1")).
1920 put("shard2", Arrays.asList("member-1")).build());
1922 String shardId1 = ShardIdentifier.builder().shardName("shard1").memberName("member-1").
1923 type(shardMrgIDSuffix).build().toString();
1924 TestActorRef<MessageCollectorActor> shard1 = actorFactory.createTestActor(
1925 MessageCollectorActor.props(), shardId1);
1927 String shardId2 = ShardIdentifier.builder().shardName("shard2").memberName("member-1").
1928 type(shardMrgIDSuffix).build().toString();
1929 TestActorRef<MessageCollectorActor> shard2 = actorFactory.createTestActor(
1930 MessageCollectorActor.props(), shardId2);
1932 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(
1933 mockConfig).addShardActor("shard1", shard1).addShardActor("shard2", shard2).props());
1935 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1936 shardManager.tell(new ActorInitialized(), shard1);
1937 shardManager.tell(new ActorInitialized(), shard2);
1939 FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
1940 Future<Boolean> stopFuture = Patterns.gracefulStop(shardManager, duration, new Shutdown());
1942 MessageCollectorActor.expectFirstMatching(shard1, Shutdown.class);
1943 MessageCollectorActor.expectFirstMatching(shard2, Shutdown.class);
1946 Await.ready(stopFuture, FiniteDuration.create(500, TimeUnit.MILLISECONDS));
1947 fail("ShardManager actor stopped without waiting for the Shards to be stopped");
1948 } catch(TimeoutException e) {
1952 actorFactory.killActor(shard1, this);
1953 actorFactory.killActor(shard2, this);
1955 Boolean stopped = Await.result(stopFuture, duration);
1956 assertEquals("Stopped", Boolean.TRUE, stopped);
1959 LOG.info("testShutDown ending");
1962 private static class TestShardManager extends ShardManager {
1963 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
1964 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1965 private ShardManagerSnapshot snapshot;
1966 private final Map<String, ActorRef> shardActors;
1967 private final ActorRef shardActor;
1968 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
1969 private CountDownLatch memberUpReceived = new CountDownLatch(1);
1970 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
1971 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
1972 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
1973 private volatile MessageInterceptor messageInterceptor;
1975 private TestShardManager(Builder builder) {
1977 shardActor = builder.shardActor;
1978 shardActors = builder.shardActors;
1982 public void handleRecover(Object message) throws Exception {
1984 super.handleRecover(message);
1986 if(message instanceof RecoveryCompleted) {
1987 recoveryComplete.countDown();
1993 public void handleCommand(Object message) throws Exception {
1995 if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
1996 getSender().tell(messageInterceptor.apply(message), getSelf());
1998 super.handleCommand(message);
2001 if(message instanceof FindPrimary) {
2002 findPrimaryMessageReceived.countDown();
2003 } else if(message instanceof ClusterEvent.MemberUp) {
2004 String role = ((ClusterEvent.MemberUp)message).member().roles().head();
2005 if(!getCluster().getCurrentMemberName().equals(role)) {
2006 memberUpReceived.countDown();
2008 } else if(message instanceof ClusterEvent.MemberRemoved) {
2009 String role = ((ClusterEvent.MemberRemoved)message).member().roles().head();
2010 if(!getCluster().getCurrentMemberName().equals(role)) {
2011 memberRemovedReceived.countDown();
2013 } else if(message instanceof ClusterEvent.UnreachableMember) {
2014 String role = ((ClusterEvent.UnreachableMember)message).member().roles().head();
2015 if(!getCluster().getCurrentMemberName().equals(role)) {
2016 memberUnreachableReceived.countDown();
2018 } else if(message instanceof ClusterEvent.ReachableMember) {
2019 String role = ((ClusterEvent.ReachableMember)message).member().roles().head();
2020 if(!getCluster().getCurrentMemberName().equals(role)) {
2021 memberReachableReceived.countDown();
2027 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
2028 this.messageInterceptor = messageInterceptor;
2031 void waitForRecoveryComplete() {
2032 assertEquals("Recovery complete", true,
2033 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
2036 void waitForMemberUp() {
2037 assertEquals("MemberUp received", true,
2038 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
2039 memberUpReceived = new CountDownLatch(1);
2042 void waitForMemberRemoved() {
2043 assertEquals("MemberRemoved received", true,
2044 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
2045 memberRemovedReceived = new CountDownLatch(1);
2048 void waitForUnreachableMember() {
2049 assertEquals("UnreachableMember received", true,
2050 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
2052 memberUnreachableReceived = new CountDownLatch(1);
2055 void waitForReachableMember() {
2056 assertEquals("ReachableMember received", true,
2057 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
2058 memberReachableReceived = new CountDownLatch(1);
2061 void verifyFindPrimary() {
2062 assertEquals("FindPrimary received", true,
2063 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
2064 findPrimaryMessageReceived = new CountDownLatch(1);
2067 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
2068 return new Builder(datastoreContextBuilder);
2071 private static class Builder extends AbstractGenericBuilder<Builder, TestShardManager> {
2072 private ActorRef shardActor;
2073 private final Map<String, ActorRef> shardActors = new HashMap<>();
2075 Builder(DatastoreContext.Builder datastoreContextBuilder) {
2076 super(TestShardManager.class);
2077 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
2080 Builder shardActor(ActorRef shardActor) {
2081 this.shardActor = shardActor;
2085 Builder addShardActor(String shardName, ActorRef actorRef){
2086 shardActors.put(shardName, actorRef);
2092 public void saveSnapshot(Object obj) {
2093 snapshot = (ShardManagerSnapshot) obj;
2094 snapshotPersist.countDown();
2095 super.saveSnapshot(obj);
2098 void verifySnapshotPersisted(Set<String> shardList) {
2099 assertEquals("saveSnapshot invoked", true,
2100 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
2101 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
2105 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
2106 if(shardActors.get(info.getShardName()) != null){
2107 return shardActors.get(info.getShardName());
2110 if(shardActor != null) {
2114 return super.newShardActor(schemaContext, info);
2118 private static abstract class AbstractGenericBuilder<T extends AbstractGenericBuilder<T, ?>, C extends ShardManager>
2119 extends ShardManager.AbstractBuilder<T> {
2120 private final Class<C> shardManagerClass;
2122 AbstractGenericBuilder(Class<C> shardManagerClass) {
2123 this.shardManagerClass = shardManagerClass;
2124 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).
2125 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
2129 public Props props() {
2131 return Props.create(shardManagerClass, this);
2135 private static class GenericBuilder<C extends ShardManager> extends AbstractGenericBuilder<GenericBuilder<C>, C> {
2136 GenericBuilder(Class<C> shardManagerClass) {
2137 super(shardManagerClass);
2141 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
2142 private static final long serialVersionUID = 1L;
2143 private final Creator<ShardManager> delegate;
2145 public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
2146 this.delegate = delegate;
2150 public ShardManager create() throws Exception {
2151 return delegate.create();
2155 interface MessageInterceptor extends Function<Object, Object> {
2156 boolean canIntercept(Object message);
2159 private MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
2160 return new MessageInterceptor(){
2162 public Object apply(Object message) {
2163 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
2167 public boolean canIntercept(Object message) {
2168 return message instanceof FindPrimary;
2173 private static class MockRespondActor extends MessageCollectorActor {
2174 static final String CLEAR_RESPONSE = "clear-response";
2175 static final org.slf4j.Logger LOG = LoggerFactory.getLogger(MockRespondActor.class);
2177 private volatile Object responseMsg;
2179 @SuppressWarnings("unused")
2180 public MockRespondActor() {
2183 @SuppressWarnings("unused")
2184 public MockRespondActor(Object responseMsg) {
2185 this.responseMsg = responseMsg;
2188 public void updateResponse(Object response) {
2189 responseMsg = response;
2193 public void onReceive(Object message) throws Exception {
2194 if(!"get-all-messages".equals(message)) {
2195 LOG.debug("Received message : {}", message);
2197 super.onReceive(message);
2198 if (message instanceof AddServer && responseMsg != null) {
2199 getSender().tell(responseMsg, getSelf());
2200 } else if(message instanceof RemoveServer && responseMsg != null){
2201 getSender().tell(responseMsg, getSelf());
2202 } else if(message.equals(CLEAR_RESPONSE)) {