2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.datastore.shardmanager;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertNull;
14 import static org.junit.Assert.assertSame;
15 import static org.junit.Assert.assertTrue;
16 import static org.junit.Assert.fail;
17 import static org.mockito.Mockito.mock;
18 import static org.mockito.Mockito.never;
19 import static org.mockito.Mockito.times;
20 import static org.mockito.Mockito.verify;
22 import akka.actor.ActorRef;
23 import akka.actor.ActorSystem;
24 import akka.actor.AddressFromURIString;
25 import akka.actor.Props;
26 import akka.actor.Status;
27 import akka.actor.Status.Failure;
28 import akka.actor.Status.Success;
29 import akka.cluster.Cluster;
30 import akka.cluster.ClusterEvent;
31 import akka.cluster.Member;
32 import akka.dispatch.Dispatchers;
33 import akka.japi.Creator;
34 import akka.pattern.Patterns;
35 import akka.persistence.RecoveryCompleted;
36 import akka.serialization.Serialization;
37 import akka.testkit.JavaTestKit;
38 import akka.testkit.TestActorRef;
39 import akka.util.Timeout;
40 import com.google.common.base.Function;
41 import com.google.common.base.Stopwatch;
42 import com.google.common.collect.ImmutableMap;
43 import com.google.common.collect.ImmutableSet;
44 import com.google.common.collect.Lists;
45 import com.google.common.collect.Sets;
46 import com.google.common.util.concurrent.Uninterruptibles;
47 import com.typesafe.config.ConfigFactory;
49 import java.util.AbstractMap;
50 import java.util.ArrayList;
51 import java.util.Arrays;
52 import java.util.Collection;
53 import java.util.Collections;
54 import java.util.HashMap;
55 import java.util.List;
57 import java.util.Map.Entry;
59 import java.util.concurrent.CountDownLatch;
60 import java.util.concurrent.TimeUnit;
61 import java.util.concurrent.TimeoutException;
62 import java.util.stream.Collectors;
63 import org.apache.commons.lang3.SerializationUtils;
64 import org.junit.After;
65 import org.junit.Before;
66 import org.junit.Test;
67 import org.mockito.Mock;
68 import org.mockito.Mockito;
69 import org.mockito.MockitoAnnotations;
70 import org.opendaylight.controller.cluster.access.concepts.MemberName;
71 import org.opendaylight.controller.cluster.datastore.AbstractActorTest;
72 import org.opendaylight.controller.cluster.datastore.ClusterWrapperImpl;
73 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
74 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
75 import org.opendaylight.controller.cluster.datastore.DatastoreContextFactory;
76 import org.opendaylight.controller.cluster.datastore.Shard;
77 import org.opendaylight.controller.cluster.datastore.ShardManager.SchemaContextModules;
78 import org.opendaylight.controller.cluster.datastore.config.Configuration;
79 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
80 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
81 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
82 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
83 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
84 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
85 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
86 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
87 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
88 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
89 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
90 import org.opendaylight.controller.cluster.datastore.messages.ChangeShardMembersVotingStatus;
91 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
92 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
93 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
94 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
95 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
96 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
97 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
98 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
99 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
100 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
101 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
102 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
103 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
104 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
105 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
106 import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
107 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
108 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
109 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
110 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
111 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
112 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
113 import org.opendaylight.controller.cluster.raft.RaftState;
114 import org.opendaylight.controller.cluster.raft.TestActorFactory;
115 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
116 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
117 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
118 import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
119 import org.opendaylight.controller.cluster.raft.messages.AddServer;
120 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
121 import org.opendaylight.controller.cluster.raft.messages.ChangeServersVotingStatus;
122 import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
123 import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
124 import org.opendaylight.controller.cluster.raft.messages.ServerChangeReply;
125 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
126 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
127 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
128 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
129 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
130 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
131 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
132 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
133 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
134 import org.slf4j.Logger;
135 import org.slf4j.LoggerFactory;
136 import scala.concurrent.Await;
137 import scala.concurrent.Future;
138 import scala.concurrent.duration.FiniteDuration;
140 public class ShardManagerTest extends AbstractActorTest {
141 private static final Logger LOG = LoggerFactory.getLogger(ShardManagerTest.class);
142 private static final MemberName MEMBER_1 = MemberName.forName("member-1");
143 private static final MemberName MEMBER_2 = MemberName.forName("member-2");
144 private static final MemberName MEMBER_3 = MemberName.forName("member-3");
146 private static int ID_COUNTER = 1;
148 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
149 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
152 private static CountDownLatch ready;
154 private static ShardIdentifier mockShardName = ShardIdentifier.create(Shard.DEFAULT_NAME, MEMBER_1, "config");
156 private static TestActorRef<MessageCollectorActor> mockShardActor = TestActorRef.create(getSystem(),
157 Props.create(MessageCollectorActor.class), mockShardName.toString());
159 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder()
160 .dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
161 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
163 private final Collection<ActorSystem> actorSystems = new ArrayList<>();
165 private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
168 public void setUp() {
169 MockitoAnnotations.initMocks(this);
171 InMemoryJournal.clear();
172 InMemorySnapshotStore.clear();
174 mockShardActor.underlyingActor().clear();
178 public void tearDown() {
179 InMemoryJournal.clear();
180 InMemorySnapshotStore.clear();
182 for (ActorSystem system: actorSystems) {
183 JavaTestKit.shutdownActorSystem(system, null, Boolean.TRUE);
186 actorFactory.close();
189 private ActorSystem newActorSystem(String config) {
190 ActorSystem system = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig(config));
191 actorSystems.add(system);
195 private ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
196 String name = ShardIdentifier.create(shardName, MemberName.forName(memberName), "config").toString();
197 if (system == getSystem()) {
198 return actorFactory.createTestActor(Props.create(MessageCollectorActor.class), name);
201 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
204 private Props newShardMgrProps() {
205 return newShardMgrProps(new MockConfiguration());
208 private Props newShardMgrProps(Configuration config) {
209 return newTestShardMgrBuilder(config).props();
212 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
213 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
214 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
215 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
219 private TestShardManager.Builder newTestShardMgrBuilder() {
220 return TestShardManager.builder(datastoreContextBuilder);
223 private TestShardManager.Builder newTestShardMgrBuilder(Configuration config) {
224 return TestShardManager.builder(datastoreContextBuilder).configuration(config);
227 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
228 return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
231 private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
232 return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
236 private Props newPropsShardMgrWithMockShardActor() {
237 return newTestShardMgrBuilderWithMockShardActor().props().withDispatcher(
238 Dispatchers.DefaultDispatcherId());
241 private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
242 return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
246 private TestShardManager newTestShardManager() {
247 return newTestShardManager(newShardMgrProps());
250 private TestShardManager newTestShardManager(Props props) {
251 TestActorRef<TestShardManager> shardManagerActor = actorFactory.createTestActor(props);
252 TestShardManager shardManager = shardManagerActor.underlyingActor();
253 shardManager.waitForRecoveryComplete();
257 private static void waitForShardInitialized(ActorRef shardManager, String shardName, JavaTestKit kit) {
258 AssertionError last = null;
259 Stopwatch sw = Stopwatch.createStarted();
260 while (sw.elapsed(TimeUnit.SECONDS) <= 5) {
262 shardManager.tell(new FindLocalShard(shardName, true), kit.getRef());
263 kit.expectMsgClass(LocalShardFound.class);
265 } catch (AssertionError e) {
269 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
275 @SuppressWarnings("unchecked")
276 private static <T> T expectMsgClassOrFailure(Class<T> msgClass, JavaTestKit kit, String msg) {
277 Object reply = kit.expectMsgAnyClassOf(JavaTestKit.duration("5 sec"), msgClass, Failure.class);
278 if (reply instanceof Failure) {
279 throw new AssertionError(msg + " failed", ((Failure)reply).cause());
286 public void testPerShardDatastoreContext() throws Exception {
287 LOG.info("testPerShardDatastoreContext starting");
288 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
289 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
292 DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).shardElectionTimeoutFactor(6).build())
293 .when(mockFactory).getShardDatastoreContext("default");
296 DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).shardElectionTimeoutFactor(7).build())
297 .when(mockFactory).getShardDatastoreContext("topology");
299 final MockConfiguration mockConfig = new MockConfiguration() {
301 public Collection<String> getMemberShardNames(MemberName memberName) {
302 return Arrays.asList("default", "topology");
306 public Collection<MemberName> getMembersFromShardName(String shardName) {
307 return members("member-1");
311 final TestActorRef<MessageCollectorActor> defaultShardActor = actorFactory.createTestActor(
312 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("default"));
313 final TestActorRef<MessageCollectorActor> topologyShardActor = actorFactory.createTestActor(
314 Props.create(MessageCollectorActor.class), actorFactory.generateActorId("topology"));
316 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
317 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
318 shardInfoMap.put("default", new AbstractMap.SimpleEntry<>(defaultShardActor, null));
319 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<>(topologyShardActor, null));
321 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
322 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
323 class LocalShardManager extends ShardManager {
324 LocalShardManager(AbstractShardManagerCreator<?> creator) {
329 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
330 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
333 ref = entry.getKey();
334 entry.setValue(info.getDatastoreContext());
337 newShardActorLatch.countDown();
342 final Creator<ShardManager> creator = new Creator<ShardManager>() {
343 private static final long serialVersionUID = 1L;
345 public ShardManager create() throws Exception {
346 return new LocalShardManager(
347 new GenericCreator<>(LocalShardManager.class).datastoreContextFactory(mockFactory)
348 .primaryShardInfoCache(primaryShardInfoCache).configuration(mockConfig));
352 JavaTestKit kit = new JavaTestKit(getSystem());
354 final ActorRef shardManager = actorFactory.createActor(Props.create(
355 new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId()));
357 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
359 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
360 assertEquals("getShardElectionTimeoutFactor", 6,
361 shardInfoMap.get("default").getValue().getShardElectionTimeoutFactor());
362 assertEquals("getShardElectionTimeoutFactor", 7,
363 shardInfoMap.get("topology").getValue().getShardElectionTimeoutFactor());
365 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
366 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
368 DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).shardElectionTimeoutFactor(66).build())
369 .when(newMockFactory).getShardDatastoreContext("default");
372 DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).shardElectionTimeoutFactor(77).build())
373 .when(newMockFactory).getShardDatastoreContext("topology");
375 shardManager.tell(newMockFactory, kit.getRef());
377 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor,
378 DatastoreContext.class);
379 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
381 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
382 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
384 LOG.info("testPerShardDatastoreContext ending");
388 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
389 new JavaTestKit(getSystem()) {
391 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
393 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
395 shardManager.tell(new FindPrimary("non-existent", false), getRef());
397 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
403 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
404 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard starting");
405 new JavaTestKit(getSystem()) {
407 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
409 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
411 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
412 shardManager.tell(new ActorInitialized(), mockShardActor);
414 DataTree mockDataTree = mock(DataTree.class);
415 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
416 DataStoreVersions.CURRENT_VERSION), getRef());
418 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
420 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
423 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
425 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"),
426 LocalPrimaryShardFound.class);
427 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
428 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
429 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
433 LOG.info("testOnReceiveFindPrimaryForLocalLeaderShard ending");
437 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
438 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp starting");
439 new JavaTestKit(getSystem()) {
441 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
443 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
444 shardManager.tell(new ActorInitialized(), mockShardActor);
446 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
447 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
449 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
451 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION),
454 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
456 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
460 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp ending");
464 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
465 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard starting");
466 new JavaTestKit(getSystem()) {
468 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
470 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
471 shardManager.tell(new ActorInitialized(), mockShardActor);
473 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
474 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
476 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
478 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
480 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
481 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, leaderVersion), mockShardActor);
483 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
485 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"),
486 RemotePrimaryShardFound.class);
487 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
488 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
489 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
493 LOG.info("testOnReceiveFindPrimaryForNonLocalLeaderShard ending");
497 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
498 new JavaTestKit(getSystem()) {
500 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
502 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
504 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
510 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
511 new JavaTestKit(getSystem()) {
513 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
515 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
516 shardManager.tell(new ActorInitialized(), mockShardActor);
518 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
520 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
526 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
527 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
528 new JavaTestKit(getSystem()) {
530 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
532 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
533 shardManager.tell(new ActorInitialized(), mockShardActor);
535 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
537 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Follower.name()),
540 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
542 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
544 DataTree mockDataTree = mock(DataTree.class);
545 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
546 DataStoreVersions.CURRENT_VERSION), mockShardActor);
548 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
550 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"),
551 LocalPrimaryShardFound.class);
552 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
553 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
554 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
558 LOG.info("testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId starting");
562 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
563 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader starting");
564 datastoreContextBuilder.shardInitializationTimeout(10, TimeUnit.SECONDS);
565 new JavaTestKit(getSystem()) {
567 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
569 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
571 // We're passing waitUntilInitialized = true to FindPrimary so
572 // the response should be
573 // delayed until we send ActorInitialized and
574 // RoleChangeNotification.
575 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
577 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
579 shardManager.tell(new ActorInitialized(), mockShardActor);
581 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
583 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
585 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
588 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
590 DataTree mockDataTree = mock(DataTree.class);
591 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mockDataTree,
592 DataStoreVersions.CURRENT_VERSION), mockShardActor);
594 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"),
595 LocalPrimaryShardFound.class);
596 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
597 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
598 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
600 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
604 LOG.info("testOnReceiveFindPrimaryWaitForShardLeader ending");
608 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
609 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard starting");
610 new JavaTestKit(getSystem()) {
612 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
614 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
616 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
618 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
620 shardManager.tell(new ActorInitialized(), mockShardActor);
622 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
626 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard ending");
630 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
631 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
632 new JavaTestKit(getSystem()) {
634 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
636 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
637 shardManager.tell(new ActorInitialized(), mockShardActor);
638 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix, null,
639 RaftState.Candidate.name()), mockShardActor);
641 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
643 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
647 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
651 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
652 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard starting");
653 new JavaTestKit(getSystem()) {
655 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
657 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
658 shardManager.tell(new ActorInitialized(), mockShardActor);
659 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix, null,
660 RaftState.IsolatedLeader.name()), mockShardActor);
662 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
664 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
668 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard ending");
672 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
673 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard starting");
674 new JavaTestKit(getSystem()) {
676 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
678 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
679 shardManager.tell(new ActorInitialized(), mockShardActor);
681 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
683 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
687 LOG.info("testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard ending");
691 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
692 LOG.info("testOnReceiveFindPrimaryForRemoteShard starting");
693 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
695 // Create an ActorSystem ShardManager actor for member-1.
697 final ActorSystem system1 = newActorSystem("Member1");
698 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
700 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
701 newTestShardMgrBuilderWithMockShardActor().cluster(
702 new ClusterWrapperImpl(system1)).props().withDispatcher(
703 Dispatchers.DefaultDispatcherId()), shardManagerID);
705 // Create an ActorSystem ShardManager actor for member-2.
707 final ActorSystem system2 = newActorSystem("Member2");
709 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
711 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
713 MockConfiguration mockConfig2 = new MockConfiguration(
714 ImmutableMap.<String, List<String>>builder().put("default", Arrays.asList("member-1", "member-2"))
715 .put("astronauts", Arrays.asList("member-2")).build());
717 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
718 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
719 new ClusterWrapperImpl(system2)).props().withDispatcher(
720 Dispatchers.DefaultDispatcherId()), shardManagerID);
722 new JavaTestKit(system1) {
724 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
725 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
727 shardManager2.tell(new ActorInitialized(), mockShardActor2);
729 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
730 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
732 new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class), leaderVersion),
735 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
738 shardManager1.underlyingActor().waitForMemberUp();
739 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
741 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
742 String path = found.getPrimaryPath();
743 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
744 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
746 shardManager2.underlyingActor().verifyFindPrimary();
748 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
750 shardManager1.underlyingActor().waitForMemberRemoved();
752 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
754 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
758 LOG.info("testOnReceiveFindPrimaryForRemoteShard ending");
762 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
763 LOG.info("testShardAvailabilityOnChangeOfMemberReachability starting");
764 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
766 // Create an ActorSystem ShardManager actor for member-1.
768 final ActorSystem system1 = newActorSystem("Member1");
769 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
771 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
773 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
774 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(
775 new ClusterWrapperImpl(system1)).props().withDispatcher(
776 Dispatchers.DefaultDispatcherId()), shardManagerID);
778 // Create an ActorSystem ShardManager actor for member-2.
780 final ActorSystem system2 = newActorSystem("Member2");
782 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
784 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
786 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
787 .put("default", Arrays.asList("member-1", "member-2")).build());
789 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
790 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
791 new ClusterWrapperImpl(system2)).props().withDispatcher(
792 Dispatchers.DefaultDispatcherId()), shardManagerID);
794 new JavaTestKit(system1) {
796 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
797 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
798 shardManager1.tell(new ActorInitialized(), mockShardActor1);
799 shardManager2.tell(new ActorInitialized(), mockShardActor2);
801 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
802 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
803 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2, mock(DataTree.class),
804 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
806 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
808 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class),
809 DataStoreVersions.CURRENT_VERSION), mockShardActor2);
811 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
813 shardManager1.underlyingActor().waitForMemberUp();
815 shardManager1.tell(new FindPrimary("default", true), getRef());
817 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
818 String path = found.getPrimaryPath();
819 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
821 shardManager1.tell(MockClusterWrapper.createUnreachableMember("member-2",
822 "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
824 shardManager1.underlyingActor().waitForUnreachableMember();
826 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
827 assertEquals("getMemberName", MEMBER_2, peerDown.getMemberName());
828 MessageCollectorActor.clearMessages(mockShardActor1);
831 MockClusterWrapper.createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"),
834 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
836 shardManager1.tell(new FindPrimary("default", true), getRef());
838 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
841 MockClusterWrapper.createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"),
844 shardManager1.underlyingActor().waitForReachableMember();
846 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
847 assertEquals("getMemberName", MEMBER_2, peerUp.getMemberName());
848 MessageCollectorActor.clearMessages(mockShardActor1);
850 shardManager1.tell(new FindPrimary("default", true), getRef());
852 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
853 String path1 = found1.getPrimaryPath();
854 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
857 MockClusterWrapper.createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"),
860 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
862 // Test FindPrimary wait succeeds after reachable member event.
864 shardManager1.tell(MockClusterWrapper.createUnreachableMember("member-2",
865 "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
866 shardManager1.underlyingActor().waitForUnreachableMember();
868 shardManager1.tell(new FindPrimary("default", true), getRef());
871 MockClusterWrapper.createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"),
874 RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
875 String path2 = found2.getPrimaryPath();
876 assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
880 LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
884 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
885 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange starting");
886 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
888 // Create an ActorSystem ShardManager actor for member-1.
890 final ActorSystem system1 = newActorSystem("Member1");
891 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
893 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
895 final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
896 final TestActorRef<TestShardManager> shardManager1 = TestActorRef.create(system1,
897 newTestShardMgrBuilder().shardActor(mockShardActor1).cluster(new ClusterWrapperImpl(system1))
898 .primaryShardInfoCache(primaryShardInfoCache).props()
899 .withDispatcher(Dispatchers.DefaultDispatcherId()),
902 // Create an ActorSystem ShardManager actor for member-2.
904 final ActorSystem system2 = newActorSystem("Member2");
906 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
908 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
910 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
911 .put("default", Arrays.asList("member-1", "member-2")).build());
913 final TestActorRef<TestShardManager> shardManager2 = TestActorRef.create(system2,
914 newTestShardMgrBuilder(mockConfig2).shardActor(mockShardActor2).cluster(
915 new ClusterWrapperImpl(system2)).props().withDispatcher(
916 Dispatchers.DefaultDispatcherId()), shardManagerID);
918 new JavaTestKit(system1) {
920 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
921 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
922 shardManager1.tell(new ActorInitialized(), mockShardActor1);
923 shardManager2.tell(new ActorInitialized(), mockShardActor2);
925 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
926 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
927 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2, mock(DataTree.class),
928 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
930 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
932 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class),
933 DataStoreVersions.CURRENT_VERSION), mockShardActor2);
935 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
937 shardManager1.underlyingActor().waitForMemberUp();
939 shardManager1.tell(new FindPrimary("default", true), getRef());
941 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
942 String path = found.getPrimaryPath();
943 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
945 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(
946 system1.actorSelection(mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION));
948 shardManager1.tell(MockClusterWrapper.createUnreachableMember("member-2",
949 "akka.tcp://cluster-test@127.0.0.1:2558"), getRef());
951 shardManager1.underlyingActor().waitForUnreachableMember();
953 shardManager1.tell(new FindPrimary("default", true), getRef());
955 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
957 assertNull("Expected primaryShardInfoCache entry removed",
958 primaryShardInfoCache.getIfPresent("default"));
960 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, mock(DataTree.class),
961 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
963 new RoleChangeNotification(memberId1, RaftState.Follower.name(), RaftState.Leader.name()),
966 shardManager1.tell(new FindPrimary("default", true), getRef());
968 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
969 String path1 = found1.getPrimaryPath();
970 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
975 LOG.info("testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange ending");
980 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
981 new JavaTestKit(getSystem()) {
983 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
985 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
987 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
989 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
991 assertEquals("getShardName", "non-existent", notFound.getShardName());
997 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
998 new JavaTestKit(getSystem()) {
1000 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1002 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1003 shardManager.tell(new ActorInitialized(), mockShardActor);
1005 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1007 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1009 assertTrue("Found path contains " + found.getPath().path().toString(),
1010 found.getPath().path().toString().contains("member-1-shard-default-config"));
1016 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
1017 new JavaTestKit(getSystem()) {
1019 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1021 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1023 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1029 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
1030 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
1031 new JavaTestKit(getSystem()) {
1033 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1035 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1037 // We're passing waitUntilInitialized = true to FindLocalShard
1038 // so the response should be
1039 // delayed until we send ActorInitialized.
1040 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
1041 new Timeout(5, TimeUnit.SECONDS));
1043 shardManager.tell(new ActorInitialized(), mockShardActor);
1045 Object resp = Await.result(future, duration("5 seconds"));
1046 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
1050 LOG.info("testOnReceiveFindLocalShardWaitForShardInitialized starting");
1054 public void testOnRecoveryJournalIsCleaned() {
1055 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
1056 InMemoryJournal.addEntry(persistenceID, 1L, new SchemaContextModules(ImmutableSet.of("foo")));
1057 InMemoryJournal.addEntry(persistenceID, 2L, new SchemaContextModules(ImmutableSet.of("bar")));
1058 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
1060 newTestShardManager();
1062 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
1064 // Journal entries up to the last one should've been deleted
1065 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
1066 synchronized (journal) {
1067 assertEquals("Journal size", 0, journal.size());
1072 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
1073 TestShardManager shardManager = newTestShardManager();
1075 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1076 shardManager.onReceiveCommand(new RoleChangeNotification(
1077 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
1079 verify(ready, never()).countDown();
1081 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
1082 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION));
1084 verify(ready, times(1)).countDown();
1088 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
1089 new JavaTestKit(getSystem()) {
1091 TestShardManager shardManager = newTestShardManager();
1093 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1094 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1096 verify(ready, never()).countDown();
1099 .onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1101 shardManager.onReceiveCommand(
1102 new ShardLeaderStateChanged(memberId, "member-2-shard-default-" + shardMrgIDSuffix,
1103 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION));
1105 verify(ready, times(1)).countDown();
1111 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
1112 new JavaTestKit(getSystem()) {
1114 TestShardManager shardManager = newTestShardManager();
1116 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1117 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
1119 verify(ready, never()).countDown();
1121 shardManager.onReceiveCommand(
1122 new ShardLeaderStateChanged(memberId, "member-2-shard-default-" + shardMrgIDSuffix,
1123 mock(DataTree.class), DataStoreVersions.CURRENT_VERSION));
1126 .onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
1128 verify(ready, times(1)).countDown();
1134 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
1135 TestShardManager shardManager = newTestShardManager();
1137 shardManager.onReceiveCommand(new RoleChangeNotification(
1138 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
1140 verify(ready, never()).countDown();
1144 public void testByDefaultSyncStatusIsFalse() throws Exception {
1145 TestShardManager shardManager = newTestShardManager();
1147 assertEquals(false, shardManager.getMBean().getSyncStatus());
1151 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception {
1152 TestShardManager shardManager = newTestShardManager();
1154 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
1155 RaftState.Follower.name(), RaftState.Leader.name()));
1157 assertEquals(true, shardManager.getMBean().getSyncStatus());
1161 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception {
1162 TestShardManager shardManager = newTestShardManager();
1164 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1165 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1166 RaftState.Follower.name(), RaftState.Candidate.name()));
1168 assertEquals(false, shardManager.getMBean().getSyncStatus());
1170 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
1171 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
1174 assertEquals(false, shardManager.getMBean().getSyncStatus());
1178 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception {
1179 TestShardManager shardManager = newTestShardManager();
1181 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
1182 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
1183 RaftState.Candidate.name(), RaftState.Follower.name()));
1185 // Initially will be false
1186 assertEquals(false, shardManager.getMBean().getSyncStatus());
1188 // Send status true will make sync status true
1189 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
1191 assertEquals(true, shardManager.getMBean().getSyncStatus());
1193 // Send status false will make sync status false
1194 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
1196 assertEquals(false, shardManager.getMBean().getSyncStatus());
1201 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception {
1202 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards starting");
1203 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1205 public List<String> getMemberShardNames(MemberName memberName) {
1206 return Arrays.asList("default", "astronauts");
1210 // Initially will be false
1211 assertEquals(false, shardManager.getMBean().getSyncStatus());
1213 // Make default shard leader
1214 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1215 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1216 RaftState.Follower.name(), RaftState.Leader.name()));
1218 // default = Leader, astronauts is unknown so sync status remains false
1219 assertEquals(false, shardManager.getMBean().getSyncStatus());
1221 // Make astronauts shard leader as well
1222 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1223 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1224 RaftState.Follower.name(), RaftState.Leader.name()));
1226 // Now sync status should be true
1227 assertEquals(true, shardManager.getMBean().getSyncStatus());
1229 // Make astronauts a Follower
1230 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1231 RaftState.Leader.name(), RaftState.Follower.name()));
1233 // Sync status is not true
1234 assertEquals(false, shardManager.getMBean().getSyncStatus());
1236 // Make the astronauts follower sync status true
1237 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1239 // Sync status is now true
1240 assertEquals(true, shardManager.getMBean().getSyncStatus());
1242 LOG.info("testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards ending");
1246 public void testOnReceiveSwitchShardBehavior() throws Exception {
1247 new JavaTestKit(getSystem()) {
1249 final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1251 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1252 shardManager.tell(new ActorInitialized(), mockShardActor);
1254 shardManager.tell(new SwitchShardBehavior(mockShardName, RaftState.Leader, 1000), getRef());
1256 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor,
1257 SwitchBehavior.class);
1259 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1260 assertEquals(1000, switchBehavior.getNewTerm());
1265 private static List<MemberName> members(String... names) {
1266 return Arrays.asList(names).stream().map(MemberName::forName).collect(Collectors.toList());
1270 public void testOnCreateShard() {
1271 LOG.info("testOnCreateShard starting");
1272 new JavaTestKit(getSystem()) {
1274 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1276 ActorRef shardManager = actorFactory
1277 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1279 SchemaContext schemaContext = TestModel.createTestContext();
1280 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1282 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100)
1283 .persistent(false).build();
1284 Shard.Builder shardBuilder = Shard.builder();
1286 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1287 "foo", null, members("member-1", "member-5", "member-6"));
1288 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1290 expectMsgClass(duration("5 seconds"), Success.class);
1292 shardManager.tell(new FindLocalShard("foo", true), getRef());
1294 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1296 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1297 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig()
1298 .getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1299 assertEquals("peerMembers", Sets.newHashSet(
1300 ShardIdentifier.create("foo", MemberName.forName("member-5"), shardMrgIDSuffix).toString(),
1301 ShardIdentifier.create("foo", MemberName.forName("member-6"), shardMrgIDSuffix).toString()),
1302 shardBuilder.getPeerAddresses().keySet());
1303 assertEquals("ShardIdentifier", ShardIdentifier.create("foo", MEMBER_1, shardMrgIDSuffix),
1304 shardBuilder.getId());
1305 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1307 // Send CreateShard with same name - should return Success with
1310 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1312 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1313 assertNotNull("Success status is null", success.status());
1317 LOG.info("testOnCreateShard ending");
1321 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1322 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig starting");
1323 new JavaTestKit(getSystem()) {
1325 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1327 ActorRef shardManager = actorFactory
1328 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1330 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1332 Shard.Builder shardBuilder = Shard.builder();
1333 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1334 "foo", null, members("member-5", "member-6"));
1336 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1337 expectMsgClass(duration("5 seconds"), Success.class);
1339 shardManager.tell(new FindLocalShard("foo", true), getRef());
1340 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1342 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1343 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(), shardBuilder
1344 .getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1348 LOG.info("testOnCreateShardWithLocalMemberNotInShardConfig ending");
1352 public void testOnCreateShardWithNoInitialSchemaContext() {
1353 LOG.info("testOnCreateShardWithNoInitialSchemaContext starting");
1354 new JavaTestKit(getSystem()) {
1356 ActorRef shardManager = actorFactory
1357 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1359 Shard.Builder shardBuilder = Shard.builder();
1361 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1362 "foo", null, members("member-1"));
1363 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1365 expectMsgClass(duration("5 seconds"), Success.class);
1367 SchemaContext schemaContext = TestModel.createTestContext();
1368 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1370 shardManager.tell(new FindLocalShard("foo", true), getRef());
1372 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1374 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1375 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1379 LOG.info("testOnCreateShardWithNoInitialSchemaContext ending");
1383 public void testGetSnapshot() throws Exception {
1384 LOG.info("testGetSnapshot starting");
1385 JavaTestKit kit = new JavaTestKit(getSystem());
1387 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1388 .put("shard1", Arrays.asList("member-1")).put("shard2", Arrays.asList("member-1"))
1389 .put("astronauts", Collections.<String>emptyList()).build());
1391 TestActorRef<TestShardManager> shardManager = actorFactory
1392 .createTestActor(newShardMgrProps(mockConfig).withDispatcher(Dispatchers.DefaultDispatcherId()));
1394 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1395 Failure failure = kit.expectMsgClass(Failure.class);
1396 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1398 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1400 waitForShardInitialized(shardManager, "shard1", kit);
1401 waitForShardInitialized(shardManager, "shard2", kit);
1403 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1405 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1407 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1408 assertNull("Expected null ShardManagerSnapshot", datastoreSnapshot.getShardManagerSnapshot());
1410 Function<ShardSnapshot, String> shardNameTransformer = s -> s.getName();
1412 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), Sets.newHashSet(
1413 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1415 // Add a new replica
1417 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1419 TestShardManager shardManagerInstance = shardManager.underlyingActor();
1420 shardManagerInstance.setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1422 shardManager.tell(new AddShardReplica("astronauts"), kit.getRef());
1423 mockShardLeaderKit.expectMsgClass(AddServer.class);
1424 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.OK, ""));
1425 kit.expectMsgClass(Status.Success.class);
1426 waitForShardInitialized(shardManager, "astronauts", kit);
1428 // Send another GetSnapshot and verify
1430 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1431 datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1433 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"), Sets.newHashSet(
1434 Lists.transform(datastoreSnapshot.getShardSnapshots(), shardNameTransformer)));
1436 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1437 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1438 ShardManagerSnapshot snapshot = SerializationUtils.deserialize(snapshotBytes);
1439 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1440 Sets.newHashSet(snapshot.getShardList()));
1442 LOG.info("testGetSnapshot ending");
1446 public void testRestoreFromSnapshot() throws Exception {
1447 LOG.info("testRestoreFromSnapshot starting");
1449 datastoreContextBuilder.shardInitializationTimeout(3, TimeUnit.SECONDS);
1451 JavaTestKit kit = new JavaTestKit(getSystem());
1453 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1454 .put("shard1", Collections.<String>emptyList()).put("shard2", Collections.<String>emptyList())
1455 .put("astronauts", Collections.<String>emptyList()).build());
1457 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList("shard1", "shard2", "astronauts"));
1458 DatastoreSnapshot restoreFromSnapshot = new DatastoreSnapshot(shardMrgIDSuffix,
1459 SerializationUtils.serialize(snapshot), Collections.<ShardSnapshot>emptyList());
1460 TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newTestShardMgrBuilder(mockConfig)
1461 .restoreFromSnapshot(restoreFromSnapshot).props().withDispatcher(Dispatchers.DefaultDispatcherId()));
1463 shardManager.underlyingActor().waitForRecoveryComplete();
1465 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1467 waitForShardInitialized(shardManager, "shard1", kit);
1468 waitForShardInitialized(shardManager, "shard2", kit);
1469 waitForShardInitialized(shardManager, "astronauts", kit);
1471 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1473 DatastoreSnapshot datastoreSnapshot = expectMsgClassOrFailure(DatastoreSnapshot.class, kit, "GetSnapshot");
1475 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1477 byte[] snapshotBytes = datastoreSnapshot.getShardManagerSnapshot();
1478 assertNotNull("Expected ShardManagerSnapshot", snapshotBytes);
1479 snapshot = SerializationUtils.deserialize(snapshotBytes);
1480 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2", "astronauts"),
1481 Sets.newHashSet(snapshot.getShardList()));
1483 LOG.info("testRestoreFromSnapshot ending");
1487 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1488 new JavaTestKit(getSystem()) {
1490 ActorRef shardManager = actorFactory
1491 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1493 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1494 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1496 assertEquals("Failure obtained", true, resp.cause() instanceof IllegalArgumentException);
1502 public void testAddShardReplica() throws Exception {
1503 LOG.info("testAddShardReplica starting");
1504 MockConfiguration mockConfig = new MockConfiguration(
1505 ImmutableMap.<String, List<String>>builder().put("default", Arrays.asList("member-1", "member-2"))
1506 .put("astronauts", Arrays.asList("member-2")).build());
1508 final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1509 datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
1511 // Create an ActorSystem ShardManager actor for member-1.
1512 final ActorSystem system1 = newActorSystem("Member1");
1513 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1514 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1515 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1516 newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor)
1517 .cluster(new ClusterWrapperImpl(system1)).props()
1518 .withDispatcher(Dispatchers.DefaultDispatcherId()),
1521 // Create an ActorSystem ShardManager actor for member-2.
1522 final ActorSystem system2 = newActorSystem("Member2");
1523 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1525 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1526 String name = ShardIdentifier.create("astronauts", MEMBER_2, "config").toString();
1527 final TestActorRef<MockRespondActor> mockShardLeaderActor = TestActorRef.create(system2,
1528 Props.create(MockRespondActor.class, AddServer.class,
1529 new AddServerReply(ServerChangeStatus.OK, memberId2))
1530 .withDispatcher(Dispatchers.DefaultDispatcherId()),
1532 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1533 newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor)
1534 .cluster(new ClusterWrapperImpl(system2)).props()
1535 .withDispatcher(Dispatchers.DefaultDispatcherId()),
1538 new JavaTestKit(system1) {
1540 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1541 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1543 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1545 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1546 leaderShardManager.tell(
1547 new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class), leaderVersion),
1548 mockShardLeaderActor);
1549 leaderShardManager.tell(
1550 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
1551 mockShardLeaderActor);
1553 newReplicaShardManager.underlyingActor().waitForMemberUp();
1554 leaderShardManager.underlyingActor().waitForMemberUp();
1556 // Have a dummy snapshot to be overwritten by the new data
1558 String[] restoredShards = { "default", "people" };
1559 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1560 InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
1561 Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
1563 InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
1564 InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
1566 // construct a mock response message
1567 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1568 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1570 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1571 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1572 expectMsgClass(duration("5 seconds"), Status.Success.class);
1574 InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
1575 InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
1576 List<ShardManagerSnapshot> persistedSnapshots = InMemorySnapshotStore.getSnapshots(shardManagerID,
1577 ShardManagerSnapshot.class);
1578 assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
1579 ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
1580 assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
1581 Sets.newHashSet(shardManagerSnapshot.getShardList()));
1584 LOG.info("testAddShardReplica ending");
1588 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1589 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
1590 new JavaTestKit(getSystem()) {
1592 TestActorRef<TestShardManager> shardManager = actorFactory
1593 .createTestActor(newPropsShardMgrWithMockShardActor(), shardMgrID);
1595 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1596 shardManager.tell(new ActorInitialized(), mockShardActor);
1598 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1599 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1600 ActorRef leaderShardActor = shardManager.underlyingActor().getContext()
1601 .actorOf(Props.create(MockRespondActor.class, AddServer.class, addServerReply), leaderId);
1603 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1605 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1607 new RoleChangeNotification(newReplicaId, RaftState.Candidate.name(), RaftState.Follower.name()),
1610 new ShardLeaderStateChanged(newReplicaId, leaderId, DataStoreVersions.CURRENT_VERSION),
1613 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1615 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1617 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1618 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1620 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1621 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1623 // Send message again to verify previous in progress state is
1626 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1627 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1628 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1630 // Send message again with an AddServer timeout to verify the
1631 // pre-existing shard actor isn't terminated.
1634 newDatastoreContextFactory(
1635 datastoreContextBuilder.shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()),
1637 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1638 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1639 expectMsgClass(duration("5 seconds"), Failure.class);
1641 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1642 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1646 LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
1650 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1651 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
1652 new JavaTestKit(getSystem()) {
1654 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1655 ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
1657 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1658 shardManager.tell(new ActorInitialized(), mockShardActor);
1659 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mock(DataTree.class),
1660 DataStoreVersions.CURRENT_VERSION), getRef());
1662 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
1665 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1666 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1667 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1669 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1670 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1674 LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
1678 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1679 LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
1680 new JavaTestKit(getSystem()) {
1682 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1684 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1685 .put("astronauts", Arrays.asList("member-2")).build());
1687 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1688 final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
1689 newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
1690 shardManager.underlyingActor()
1691 .setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1693 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1695 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1696 terminateWatcher.watch(mockNewReplicaShardActor);
1698 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1700 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1701 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1702 addServerMsg.getNewServerId());
1703 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1705 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1706 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1708 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1709 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1711 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1713 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1714 mockShardLeaderKit.expectMsgClass(AddServer.class);
1715 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1716 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1717 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1721 LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
1725 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1726 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1727 AddServer.class, new AddShardReplica("astronauts"));
1731 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1732 LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
1733 datastoreContextBuilder.shardInitializationTimeout(100, TimeUnit.MILLISECONDS);
1734 new JavaTestKit(getSystem()) {
1736 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1737 .put("astronauts", Arrays.asList("member-2")).build());
1739 final ActorRef newReplicaShardManager = actorFactory
1740 .createActor(newTestShardMgrBuilder(mockConfig).shardActor(mockShardActor).props(), shardMgrID);
1742 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1743 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2",
1744 AddressFromURIString.parse("akka.tcp://non-existent@127.0.0.1:5").toString());
1746 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1747 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1748 assertEquals("Failure obtained", true, resp.cause() instanceof RuntimeException);
1752 LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
1756 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1757 new JavaTestKit(getSystem()) {
1759 ActorRef shardManager = actorFactory
1760 .createActor(newShardMgrProps(new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1762 shardManager.tell(new RemoveShardReplica("model-inventory", MEMBER_1), getRef());
1763 Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
1764 assertEquals("Failure obtained", true, resp.cause() instanceof PrimaryNotFoundException);
1773 public void testRemoveShardReplicaLocal() throws Exception {
1774 new JavaTestKit(getSystem()) {
1776 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1778 final TestActorRef<MockRespondActor> respondActor = actorFactory
1779 .createTestActor(Props.create(MockRespondActor.class, RemoveServer.class,
1780 new RemoveServerReply(ServerChangeStatus.OK, null)), memberId);
1782 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
1784 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1785 shardManager.tell(new ActorInitialized(), respondActor);
1786 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mock(DataTree.class),
1787 DataStoreVersions.CURRENT_VERSION), getRef());
1789 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
1792 shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, MEMBER_1), getRef());
1793 final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor,
1794 RemoveServer.class);
1795 assertEquals(ShardIdentifier.create("default", MEMBER_1, shardMrgIDSuffix).toString(),
1796 removeServer.getServerId());
1797 expectMsgClass(duration("5 seconds"), Success.class);
1803 public void testRemoveShardReplicaRemote() throws Exception {
1804 MockConfiguration mockConfig = new MockConfiguration(
1805 ImmutableMap.<String, List<String>>builder().put("default", Arrays.asList("member-1", "member-2"))
1806 .put("astronauts", Arrays.asList("member-1")).build());
1808 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1810 // Create an ActorSystem ShardManager actor for member-1.
1811 final ActorSystem system1 = newActorSystem("Member1");
1812 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1813 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1815 final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
1816 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
1817 new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1820 // Create an ActorSystem ShardManager actor for member-2.
1821 final ActorSystem system2 = newActorSystem("Member2");
1822 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1824 String name = ShardIdentifier.create("default", MEMBER_2, shardMrgIDSuffix).toString();
1825 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
1826 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1827 TestActorRef.create(system2, Props.create(MockRespondActor.class, RemoveServer.class,
1828 new RemoveServerReply(ServerChangeStatus.OK, memberId2)), name);
1830 LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
1832 final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
1833 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
1834 new ClusterWrapperImpl(system2)).props().withDispatcher(Dispatchers.DefaultDispatcherId()),
1837 // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
1838 // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
1839 // However when a shard manager has a local shard which is a follower and a leader that is remote it will
1840 // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
1842 // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
1843 // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
1844 // with the address of an actor which does not exist, therefore any message sent to that actor would go to
1846 // To work around this problem we create a ForwardingActor with the right address and pass to it the
1847 // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
1848 // thing works as expected
1849 final ActorRef actorRef = leaderShardManager.underlyingActor().context()
1850 .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor),
1851 "member-2-shard-default-" + shardMrgIDSuffix);
1853 LOG.error("Forwarding actor : {}", actorRef);
1855 new JavaTestKit(system1) {
1857 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1858 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1860 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1861 newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1863 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1864 leaderShardManager.tell(
1865 new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class), leaderVersion),
1866 mockShardLeaderActor);
1867 leaderShardManager.tell(
1868 new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()),
1869 mockShardLeaderActor);
1871 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
1872 newReplicaShardManager.tell(
1873 new ShardLeaderStateChanged(memberId1, memberId2, mock(DataTree.class), leaderVersion),
1875 newReplicaShardManager.tell(
1876 new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()),
1879 newReplicaShardManager.underlyingActor().waitForMemberUp();
1880 leaderShardManager.underlyingActor().waitForMemberUp();
1882 // construct a mock response message
1883 newReplicaShardManager.tell(new RemoveShardReplica("default", MEMBER_1), getRef());
1884 RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1885 RemoveServer.class);
1886 String removeServerId = ShardIdentifier.create("default", MEMBER_1, shardMrgIDSuffix).toString();
1887 assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
1888 expectMsgClass(duration("5 seconds"), Status.Success.class);
1894 public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
1895 testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", MEMBER_2),
1896 RemoveServer.class, new RemoveShardReplica("astronauts", MEMBER_3));
1900 public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
1901 testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
1902 AddServer.class, new RemoveShardReplica("astronauts", MEMBER_2));
1906 public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
1907 final Class<?> firstForwardedServerChangeClass,
1908 final Object secondServerChange) throws Exception {
1909 new JavaTestKit(getSystem()) {
1911 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1912 final JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1914 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1915 .put(shardName, Arrays.asList("member-2")).build());
1917 final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1918 newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor)
1919 .cluster(new MockClusterWrapper()).props()
1920 .withDispatcher(Dispatchers.DefaultDispatcherId()),
1923 shardManager.underlyingActor()
1924 .setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1926 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1928 shardManager.tell(firstServerChange, getRef());
1930 mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
1932 shardManager.tell(secondServerChange, secondRequestKit.getRef());
1934 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1940 public void testServerRemovedShardActorNotRunning() throws Exception {
1941 LOG.info("testServerRemovedShardActorNotRunning starting");
1942 new JavaTestKit(getSystem()) {
1944 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1945 .put("default", Arrays.asList("member-1", "member-2"))
1946 .put("astronauts", Arrays.asList("member-2"))
1947 .put("people", Arrays.asList("member-1", "member-2")).build());
1949 TestActorRef<TestShardManager> shardManager = actorFactory
1950 .createTestActor(newShardMgrProps(mockConfig));
1952 shardManager.underlyingActor().waitForRecoveryComplete();
1953 shardManager.tell(new FindLocalShard("people", false), getRef());
1954 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1956 shardManager.tell(new FindLocalShard("default", false), getRef());
1957 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1959 // Removed the default shard replica from member-1
1960 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1961 ShardIdentifier shardId = builder.shardName("default").memberName(MEMBER_1).type(shardMrgIDSuffix)
1963 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1965 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1969 LOG.info("testServerRemovedShardActorNotRunning ending");
1973 public void testServerRemovedShardActorRunning() throws Exception {
1974 LOG.info("testServerRemovedShardActorRunning starting");
1975 new JavaTestKit(getSystem()) {
1977 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
1978 .put("default", Arrays.asList("member-1", "member-2"))
1979 .put("astronauts", Arrays.asList("member-2"))
1980 .put("people", Arrays.asList("member-1", "member-2")).build());
1982 String shardId = ShardIdentifier.create("default", MEMBER_1, shardMrgIDSuffix).toString();
1983 TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(MessageCollectorActor.props(),
1986 TestActorRef<TestShardManager> shardManager = actorFactory
1987 .createTestActor(newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
1989 shardManager.underlyingActor().waitForRecoveryComplete();
1991 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1992 shardManager.tell(new ActorInitialized(), shard);
1994 waitForShardInitialized(shardManager, "people", this);
1995 waitForShardInitialized(shardManager, "default", this);
1997 // Removed the default shard replica from member-1
1998 shardManager.tell(new ServerRemoved(shardId), getRef());
2000 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
2002 MessageCollectorActor.expectFirstMatching(shard, Shutdown.class);
2006 LOG.info("testServerRemovedShardActorRunning ending");
2010 public void testShardPersistenceWithRestoredData() throws Exception {
2011 LOG.info("testShardPersistenceWithRestoredData starting");
2012 new JavaTestKit(getSystem()) {
2014 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
2015 .put("default", Arrays.asList("member-1", "member-2"))
2016 .put("astronauts", Arrays.asList("member-2"))
2017 .put("people", Arrays.asList("member-1", "member-2")).build());
2018 String[] restoredShards = { "default", "astronauts" };
2019 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
2020 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
2022 // create shardManager to come up with restored data
2023 TestActorRef<TestShardManager> newRestoredShardManager = actorFactory
2024 .createTestActor(newShardMgrProps(mockConfig));
2026 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
2028 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
2029 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
2030 assertEquals("for uninitialized shard", "people", notFound.getShardName());
2032 // Verify a local shard is created for the restored shards,
2033 // although we expect a NotInitializedException for the shards
2034 // as the actor initialization
2035 // message is not sent for them
2036 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
2037 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
2039 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
2040 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
2044 LOG.info("testShardPersistenceWithRestoredData ending");
2048 public void testShutDown() throws Exception {
2049 LOG.info("testShutDown starting");
2050 new JavaTestKit(getSystem()) {
2052 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder()
2053 .put("shard1", Arrays.asList("member-1")).put("shard2", Arrays.asList("member-1")).build());
2055 String shardId1 = ShardIdentifier.create("shard1", MEMBER_1, shardMrgIDSuffix).toString();
2056 TestActorRef<MessageCollectorActor> shard1 = actorFactory.createTestActor(
2057 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId1);
2059 String shardId2 = ShardIdentifier.create("shard2", MEMBER_1, shardMrgIDSuffix).toString();
2060 TestActorRef<MessageCollectorActor> shard2 = actorFactory.createTestActor(
2061 MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardId2);
2063 TestActorRef<TestShardManager> shardManager = actorFactory
2064 .createTestActor(newTestShardMgrBuilder(mockConfig).addShardActor("shard1", shard1)
2065 .addShardActor("shard2", shard2).props()
2066 .withDispatcher(Dispatchers.DefaultDispatcherId()));
2068 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
2069 shardManager.tell(new ActorInitialized(), shard1);
2070 shardManager.tell(new ActorInitialized(), shard2);
2072 FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
2073 Future<Boolean> stopFuture = Patterns.gracefulStop(shardManager, duration, Shutdown.INSTANCE);
2075 MessageCollectorActor.expectFirstMatching(shard1, Shutdown.class);
2076 MessageCollectorActor.expectFirstMatching(shard2, Shutdown.class);
2079 Await.ready(stopFuture, FiniteDuration.create(500, TimeUnit.MILLISECONDS));
2080 fail("ShardManager actor stopped without waiting for the Shards to be stopped");
2081 } catch (TimeoutException e) {
2085 actorFactory.killActor(shard1, this);
2086 actorFactory.killActor(shard2, this);
2088 Boolean stopped = Await.result(stopFuture, duration);
2089 assertEquals("Stopped", Boolean.TRUE, stopped);
2093 LOG.info("testShutDown ending");
2097 public void testChangeServersVotingStatus() throws Exception {
2098 new JavaTestKit(getSystem()) {
2100 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
2102 TestActorRef<MockRespondActor> respondActor = actorFactory
2103 .createTestActor(Props.create(MockRespondActor.class, ChangeServersVotingStatus.class,
2104 new ServerChangeReply(ServerChangeStatus.OK, null)), memberId);
2106 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
2108 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
2109 shardManager.tell(new ActorInitialized(), respondActor);
2110 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, mock(DataTree.class),
2111 DataStoreVersions.CURRENT_VERSION), getRef());
2113 new RoleChangeNotification(memberId, RaftState.Candidate.name(), RaftState.Leader.name()),
2117 new ChangeShardMembersVotingStatus("default", ImmutableMap.of("member-2", Boolean.TRUE)),
2120 ChangeServersVotingStatus actualChangeStatusMsg = MessageCollectorActor
2121 .expectFirstMatching(respondActor, ChangeServersVotingStatus.class);
2122 assertEquals("ChangeServersVotingStatus map", actualChangeStatusMsg.getServerVotingStatusMap(),
2123 ImmutableMap.of(ShardIdentifier
2124 .create("default", MemberName.forName("member-2"), shardMrgIDSuffix).toString(),
2127 expectMsgClass(duration("5 seconds"), Success.class);
2133 public void testChangeServersVotingStatusWithNoLeader() throws Exception {
2134 new JavaTestKit(getSystem()) {
2136 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
2138 TestActorRef<MockRespondActor> respondActor = actorFactory
2139 .createTestActor(Props.create(MockRespondActor.class, ChangeServersVotingStatus.class,
2140 new ServerChangeReply(ServerChangeStatus.NO_LEADER, null)), memberId);
2142 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
2144 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
2145 shardManager.tell(new ActorInitialized(), respondActor);
2146 shardManager.tell(new RoleChangeNotification(memberId, null, RaftState.Follower.name()), respondActor);
2149 new ChangeShardMembersVotingStatus("default", ImmutableMap.of("member-2", Boolean.TRUE)),
2152 MessageCollectorActor.expectFirstMatching(respondActor, ChangeServersVotingStatus.class);
2154 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
2155 assertEquals("Failure resposnse", true, resp.cause() instanceof NoShardLeaderException);
2160 private static class TestShardManager extends ShardManager {
2161 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
2162 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
2163 private ShardManagerSnapshot snapshot;
2164 private final Map<String, ActorRef> shardActors;
2165 private final ActorRef shardActor;
2166 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
2167 private CountDownLatch memberUpReceived = new CountDownLatch(1);
2168 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
2169 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
2170 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
2171 private volatile MessageInterceptor messageInterceptor;
2173 private TestShardManager(Builder builder) {
2175 shardActor = builder.shardActor;
2176 shardActors = builder.shardActors;
2180 protected void handleRecover(Object message) throws Exception {
2182 super.handleRecover(message);
2184 if (message instanceof RecoveryCompleted) {
2185 recoveryComplete.countDown();
2190 private void countDownIfOther(final Member member, CountDownLatch latch) {
2191 if (!getCluster().getCurrentMemberName().equals(memberToName(member))) {
2197 public void handleCommand(Object message) throws Exception {
2199 if (messageInterceptor != null && messageInterceptor.canIntercept(message)) {
2200 getSender().tell(messageInterceptor.apply(message), getSelf());
2202 super.handleCommand(message);
2205 if (message instanceof FindPrimary) {
2206 findPrimaryMessageReceived.countDown();
2207 } else if (message instanceof ClusterEvent.MemberUp) {
2208 countDownIfOther(((ClusterEvent.MemberUp) message).member(), memberUpReceived);
2209 } else if (message instanceof ClusterEvent.MemberRemoved) {
2210 countDownIfOther(((ClusterEvent.MemberRemoved) message).member(), memberRemovedReceived);
2211 } else if (message instanceof ClusterEvent.UnreachableMember) {
2212 countDownIfOther(((ClusterEvent.UnreachableMember) message).member(), memberUnreachableReceived);
2213 } else if (message instanceof ClusterEvent.ReachableMember) {
2214 countDownIfOther(((ClusterEvent.ReachableMember) message).member(), memberReachableReceived);
2219 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
2220 this.messageInterceptor = messageInterceptor;
2223 void waitForRecoveryComplete() {
2224 assertEquals("Recovery complete", true,
2225 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
2228 void waitForMemberUp() {
2229 assertEquals("MemberUp received", true,
2230 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
2231 memberUpReceived = new CountDownLatch(1);
2234 void waitForMemberRemoved() {
2235 assertEquals("MemberRemoved received", true,
2236 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
2237 memberRemovedReceived = new CountDownLatch(1);
2240 void waitForUnreachableMember() {
2241 assertEquals("UnreachableMember received", true,
2242 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
2244 memberUnreachableReceived = new CountDownLatch(1);
2247 void waitForReachableMember() {
2248 assertEquals("ReachableMember received", true,
2249 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
2250 memberReachableReceived = new CountDownLatch(1);
2253 void verifyFindPrimary() {
2254 assertEquals("FindPrimary received", true,
2255 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
2256 findPrimaryMessageReceived = new CountDownLatch(1);
2259 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
2260 return new Builder(datastoreContextBuilder);
2263 private static class Builder extends AbstractGenericCreator<Builder, TestShardManager> {
2264 private ActorRef shardActor;
2265 private final Map<String, ActorRef> shardActors = new HashMap<>();
2267 Builder(DatastoreContext.Builder datastoreContextBuilder) {
2268 super(TestShardManager.class);
2269 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
2272 Builder shardActor(ActorRef newShardActor) {
2273 this.shardActor = newShardActor;
2277 Builder addShardActor(String shardName, ActorRef actorRef) {
2278 shardActors.put(shardName, actorRef);
2284 public void saveSnapshot(Object obj) {
2285 snapshot = (ShardManagerSnapshot) obj;
2286 snapshotPersist.countDown();
2287 super.saveSnapshot(obj);
2290 void verifySnapshotPersisted(Set<String> shardList) {
2291 assertEquals("saveSnapshot invoked", true,
2292 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
2293 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
2297 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
2298 if (shardActors.get(info.getShardName()) != null) {
2299 return shardActors.get(info.getShardName());
2302 if (shardActor != null) {
2306 return super.newShardActor(schemaContext, info);
2310 private abstract static class AbstractGenericCreator<T extends AbstractGenericCreator<T, ?>, C extends ShardManager>
2311 extends AbstractShardManagerCreator<T> {
2312 private final Class<C> shardManagerClass;
2314 AbstractGenericCreator(Class<C> shardManagerClass) {
2315 this.shardManagerClass = shardManagerClass;
2316 cluster(new MockClusterWrapper()).configuration(new MockConfiguration()).waitTillReadyCountDownLatch(ready)
2317 .primaryShardInfoCache(new PrimaryShardInfoFutureCache());
2321 public Props props() {
2323 return Props.create(shardManagerClass, this);
2327 private static class GenericCreator<C extends ShardManager> extends AbstractGenericCreator<GenericCreator<C>, C> {
2328 GenericCreator(Class<C> shardManagerClass) {
2329 super(shardManagerClass);
2333 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
2334 private static final long serialVersionUID = 1L;
2335 private final Creator<ShardManager> delegate;
2337 DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
2338 this.delegate = delegate;
2342 public ShardManager create() throws Exception {
2343 return delegate.create();
2347 interface MessageInterceptor extends Function<Object, Object> {
2348 boolean canIntercept(Object message);
2351 private static MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
2352 return new MessageInterceptor() {
2354 public Object apply(Object message) {
2355 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
2359 public boolean canIntercept(Object message) {
2360 return message instanceof FindPrimary;
2365 private static class MockRespondActor extends MessageCollectorActor {
2366 static final String CLEAR_RESPONSE = "clear-response";
2368 private Object responseMsg;
2369 private final Class<?> requestClass;
2371 @SuppressWarnings("unused")
2372 MockRespondActor(Class<?> requestClass, Object responseMsg) {
2373 this.requestClass = requestClass;
2374 this.responseMsg = responseMsg;
2378 public void onReceive(Object message) throws Exception {
2379 if (message.equals(CLEAR_RESPONSE)) {
2382 super.onReceive(message);
2383 if (message.getClass().equals(requestClass) && responseMsg != null) {
2384 getSender().tell(responseMsg, getSelf());