2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.cluster.datastore;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNotNull;
13 import static org.junit.Assert.assertNull;
14 import static org.junit.Assert.assertSame;
15 import static org.junit.Assert.assertTrue;
16 import static org.mockito.Mockito.mock;
17 import static org.mockito.Mockito.never;
18 import static org.mockito.Mockito.times;
19 import static org.mockito.Mockito.verify;
20 import akka.actor.ActorRef;
21 import akka.actor.ActorSystem;
22 import akka.actor.AddressFromURIString;
23 import akka.actor.PoisonPill;
24 import akka.actor.Props;
25 import akka.actor.Status;
26 import akka.actor.Status.Failure;
27 import akka.actor.Status.Success;
28 import akka.actor.Terminated;
29 import akka.cluster.Cluster;
30 import akka.cluster.ClusterEvent;
31 import akka.dispatch.Dispatchers;
32 import akka.japi.Creator;
33 import akka.pattern.Patterns;
34 import akka.persistence.RecoveryCompleted;
35 import akka.serialization.Serialization;
36 import akka.testkit.JavaTestKit;
37 import akka.testkit.TestActorRef;
38 import akka.util.Timeout;
39 import com.google.common.base.Function;
40 import com.google.common.base.Optional;
41 import com.google.common.collect.ImmutableMap;
42 import com.google.common.collect.ImmutableSet;
43 import com.google.common.collect.Sets;
44 import com.google.common.util.concurrent.Uninterruptibles;
45 import com.typesafe.config.ConfigFactory;
47 import java.util.AbstractMap;
48 import java.util.Arrays;
49 import java.util.Collection;
50 import java.util.Collections;
51 import java.util.HashMap;
52 import java.util.HashSet;
53 import java.util.List;
55 import java.util.Map.Entry;
57 import java.util.concurrent.CountDownLatch;
58 import java.util.concurrent.TimeUnit;
59 import java.util.concurrent.TimeoutException;
60 import org.junit.After;
61 import org.junit.Before;
62 import org.junit.Test;
63 import org.mockito.Mock;
64 import org.mockito.Mockito;
65 import org.mockito.MockitoAnnotations;
66 import org.opendaylight.controller.cluster.datastore.config.Configuration;
67 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
68 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
69 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
70 import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
71 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
72 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
73 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
74 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
75 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
76 import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
77 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
78 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
79 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
80 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot.ShardSnapshot;
81 import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
82 import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
83 import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
84 import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
85 import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
86 import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
87 import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
88 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
89 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
90 import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
91 import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
92 import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
93 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
94 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
95 import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
96 import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
97 import org.opendaylight.controller.cluster.notifications.LeaderStateChanged;
98 import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
99 import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
100 import org.opendaylight.controller.cluster.raft.RaftState;
101 import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
102 import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
103 import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
104 import org.opendaylight.controller.cluster.raft.messages.AddServer;
105 import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
106 import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
107 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
108 import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
109 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
110 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
111 import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
112 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
113 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
114 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
115 import scala.concurrent.Await;
116 import scala.concurrent.Future;
117 import scala.concurrent.duration.FiniteDuration;
119 public class ShardManagerTest extends AbstractActorTest {
120 private static int ID_COUNTER = 1;
122 private final String shardMrgIDSuffix = "config" + ID_COUNTER++;
123 private final String shardMgrID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
126 private static CountDownLatch ready;
128 private static TestActorRef<MessageCollectorActor> mockShardActor;
130 private static String mockShardName;
132 private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
133 dataStoreType(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
134 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
136 private static ActorRef newMockShardActor(ActorSystem system, String shardName, String memberName) {
137 String name = new ShardIdentifier(shardName, memberName,"config").toString();
138 return TestActorRef.create(system, Props.create(MessageCollectorActor.class), name);
141 private final PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache();
144 public void setUp() {
145 MockitoAnnotations.initMocks(this);
147 InMemoryJournal.clear();
148 InMemorySnapshotStore.clear();
150 if(mockShardActor == null) {
151 mockShardName = new ShardIdentifier(Shard.DEFAULT_NAME, "member-1", "config").toString();
152 mockShardActor = TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), mockShardName);
155 mockShardActor.underlyingActor().clear();
159 public void tearDown() {
160 InMemoryJournal.clear();
161 InMemorySnapshotStore.clear();
164 private Props newShardMgrProps() {
165 return newShardMgrProps(new MockConfiguration());
168 private static DatastoreContextFactory newDatastoreContextFactory(DatastoreContext datastoreContext) {
169 DatastoreContextFactory mockFactory = mock(DatastoreContextFactory.class);
170 Mockito.doReturn(datastoreContext).when(mockFactory).getBaseDatastoreContext();
171 Mockito.doReturn(datastoreContext).when(mockFactory).getShardDatastoreContext(Mockito.anyString());
175 private Props newShardMgrProps(Configuration config) {
176 return TestShardManager.builder(datastoreContextBuilder).configuration(config).props();
179 private Props newPropsShardMgrWithMockShardActor() {
180 return newPropsShardMgrWithMockShardActor("shardManager", mockShardActor, new MockClusterWrapper(),
181 new MockConfiguration());
184 private Props newPropsShardMgrWithMockShardActor(final String name, final ActorRef shardActor,
185 final ClusterWrapper clusterWrapper, final Configuration config) {
186 Creator<ShardManager> creator = new Creator<ShardManager>() {
187 private static final long serialVersionUID = 1L;
189 public ShardManager create() throws Exception {
190 return new ForwardingShardManager(ShardManager.builder().cluster(clusterWrapper).configuration(config).
191 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build())).
192 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(primaryShardInfoCache), name, shardActor);
196 return Props.create(new DelegatingShardManagerCreator(creator)).withDispatcher(Dispatchers.DefaultDispatcherId());
199 private TestShardManager newTestShardManager() {
200 return newTestShardManager(newShardMgrProps());
203 private TestShardManager newTestShardManager(Props props) {
204 TestActorRef<TestShardManager> shardManagerActor = TestActorRef.create(getSystem(), props);
205 TestShardManager shardManager = shardManagerActor.underlyingActor();
206 shardManager.waitForRecoveryComplete();
211 public void testPerShardDatastoreContext() throws Exception {
212 final DatastoreContextFactory mockFactory = newDatastoreContextFactory(
213 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
215 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
216 shardElectionTimeoutFactor(6).build()).when(mockFactory).getShardDatastoreContext("default");
218 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
219 shardElectionTimeoutFactor(7).build()).when(mockFactory).getShardDatastoreContext("topology");
221 final MockConfiguration mockConfig = new MockConfiguration() {
223 public Collection<String> getMemberShardNames(String memberName) {
224 return Arrays.asList("default", "topology");
228 public Collection<String> getMembersFromShardName(String shardName) {
229 return Arrays.asList("member-1");
233 final TestActorRef<MessageCollectorActor> defaultShardActor = TestActorRef.create(getSystem(),
234 Props.create(MessageCollectorActor.class), "default");
235 final TestActorRef<MessageCollectorActor> topologyShardActor = TestActorRef.create(getSystem(),
236 Props.create(MessageCollectorActor.class), "topology");
238 final Map<String, Entry<ActorRef, DatastoreContext>> shardInfoMap = Collections.synchronizedMap(
239 new HashMap<String, Entry<ActorRef, DatastoreContext>>());
240 shardInfoMap.put("default", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(defaultShardActor, null));
241 shardInfoMap.put("topology", new AbstractMap.SimpleEntry<ActorRef, DatastoreContext>(topologyShardActor, null));
243 final CountDownLatch newShardActorLatch = new CountDownLatch(2);
244 final Creator<ShardManager> creator = new Creator<ShardManager>() {
245 private static final long serialVersionUID = 1L;
247 public ShardManager create() throws Exception {
248 return new ShardManager(ShardManager.builder().cluster(new MockClusterWrapper()).configuration(mockConfig).
249 datastoreContextFactory(mockFactory).waitTillReadyCountdownLatch(ready).
250 primaryShardInfoCache(primaryShardInfoCache)) {
252 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
253 Entry<ActorRef, DatastoreContext> entry = shardInfoMap.get(info.getShardName());
256 ref = entry.getKey();
257 entry.setValue(info.getDatastoreContext());
260 newShardActorLatch.countDown();
267 JavaTestKit kit = new JavaTestKit(getSystem());
269 final ActorRef shardManager = getSystem().actorOf(Props.create(new DelegatingShardManagerCreator(creator)).
270 withDispatcher(Dispatchers.DefaultDispatcherId()));
272 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), kit.getRef());
274 assertEquals("Shard actors created", true, newShardActorLatch.await(5, TimeUnit.SECONDS));
275 assertEquals("getShardElectionTimeoutFactor", 6, shardInfoMap.get("default").getValue().
276 getShardElectionTimeoutFactor());
277 assertEquals("getShardElectionTimeoutFactor", 7, shardInfoMap.get("topology").getValue().
278 getShardElectionTimeoutFactor());
280 DatastoreContextFactory newMockFactory = newDatastoreContextFactory(
281 datastoreContextBuilder.shardElectionTimeoutFactor(5).build());
282 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
283 shardElectionTimeoutFactor(66).build()).when(newMockFactory).getShardDatastoreContext("default");
285 Mockito.doReturn(DatastoreContext.newBuilderFrom(datastoreContextBuilder.build()).
286 shardElectionTimeoutFactor(77).build()).when(newMockFactory).getShardDatastoreContext("topology");
288 shardManager.tell(newMockFactory, kit.getRef());
290 DatastoreContext newContext = MessageCollectorActor.expectFirstMatching(defaultShardActor, DatastoreContext.class);
291 assertEquals("getShardElectionTimeoutFactor", 66, newContext.getShardElectionTimeoutFactor());
293 newContext = MessageCollectorActor.expectFirstMatching(topologyShardActor, DatastoreContext.class);
294 assertEquals("getShardElectionTimeoutFactor", 77, newContext.getShardElectionTimeoutFactor());
296 defaultShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
297 topologyShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
301 public void testOnReceiveFindPrimaryForNonExistentShard() throws Exception {
302 new JavaTestKit(getSystem()) {{
303 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
305 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
307 shardManager.tell(new FindPrimary("non-existent", false), getRef());
309 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
314 public void testOnReceiveFindPrimaryForLocalLeaderShard() throws Exception {
315 new JavaTestKit(getSystem()) {{
316 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
318 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
320 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
321 shardManager.tell(new ActorInitialized(), mockShardActor);
323 DataTree mockDataTree = mock(DataTree.class);
324 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
325 DataStoreVersions.CURRENT_VERSION), getRef());
327 MessageCollectorActor.expectFirstMatching(mockShardActor, RegisterRoleChangeListener.class);
328 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
329 RaftState.Leader.name())), mockShardActor);
331 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
333 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
334 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
335 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
336 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
341 public void testOnReceiveFindPrimaryForNonLocalLeaderShardBeforeMemberUp() throws Exception {
342 new JavaTestKit(getSystem()) {{
343 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
345 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
346 shardManager.tell(new ActorInitialized(), mockShardActor);
348 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
349 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
350 shardManager.tell(new RoleChangeNotification(memberId1,
351 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
352 shardManager.tell(new LeaderStateChanged(memberId1, memberId2, DataStoreVersions.CURRENT_VERSION), mockShardActor);
354 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
356 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
361 public void testOnReceiveFindPrimaryForNonLocalLeaderShard() throws Exception {
362 new JavaTestKit(getSystem()) {{
363 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
365 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
366 shardManager.tell(new ActorInitialized(), mockShardActor);
368 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
369 MockClusterWrapper.sendMemberUp(shardManager, "member-2", getRef().path().toString());
371 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
372 shardManager.tell(new RoleChangeNotification(memberId1,
373 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
374 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
375 shardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, Optional.<DataTree>absent(),
376 leaderVersion), mockShardActor);
378 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
380 RemotePrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
381 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
382 primaryFound.getPrimaryPath().contains("member-2-shard-default"));
383 assertEquals("getPrimaryVersion", leaderVersion, primaryFound.getPrimaryVersion());
388 public void testOnReceiveFindPrimaryForUninitializedShard() throws Exception {
389 new JavaTestKit(getSystem()) {{
390 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
392 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
394 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
399 public void testOnReceiveFindPrimaryForInitializedShardWithNoRole() throws Exception {
400 new JavaTestKit(getSystem()) {{
401 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
403 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
404 shardManager.tell(new ActorInitialized(), mockShardActor);
406 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
408 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
413 public void testOnReceiveFindPrimaryForFollowerShardWithNoInitialLeaderId() throws Exception {
414 new JavaTestKit(getSystem()) {{
415 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
417 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
418 shardManager.tell(new ActorInitialized(), mockShardActor);
420 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
421 shardManager.tell(new RoleChangeNotification(memberId,
422 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
424 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
426 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
428 DataTree mockDataTree = mock(DataTree.class);
429 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
430 DataStoreVersions.CURRENT_VERSION), mockShardActor);
432 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, false), getRef());
434 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
435 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
436 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
437 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree());
442 public void testOnReceiveFindPrimaryWaitForShardLeader() throws Exception {
443 new JavaTestKit(getSystem()) {{
444 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
446 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
448 // We're passing waitUntilInitialized = true to FindPrimary so the response should be
449 // delayed until we send ActorInitialized and RoleChangeNotification.
450 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
452 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
454 shardManager.tell(new ActorInitialized(), mockShardActor);
456 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
458 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
459 shardManager.tell(new RoleChangeNotification(memberId,
460 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor);
462 expectNoMsg(FiniteDuration.create(150, TimeUnit.MILLISECONDS));
464 DataTree mockDataTree = mock(DataTree.class);
465 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mockDataTree),
466 DataStoreVersions.CURRENT_VERSION), mockShardActor);
468 LocalPrimaryShardFound primaryFound = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
469 assertTrue("Unexpected primary path " + primaryFound.getPrimaryPath(),
470 primaryFound.getPrimaryPath().contains("member-1-shard-default"));
471 assertSame("getLocalShardDataTree", mockDataTree, primaryFound.getLocalShardDataTree() );
473 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
478 public void testOnReceiveFindPrimaryWaitForReadyWithUninitializedShard() throws Exception {
479 new JavaTestKit(getSystem()) {{
480 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
482 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
484 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
486 expectMsgClass(duration("2 seconds"), NotInitializedException.class);
488 shardManager.tell(new ActorInitialized(), mockShardActor);
490 expectNoMsg(FiniteDuration.create(200, TimeUnit.MILLISECONDS));
495 public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
496 new JavaTestKit(getSystem()) {{
497 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
499 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
500 shardManager.tell(new ActorInitialized(), mockShardActor);
501 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
502 null, RaftState.Candidate.name()), mockShardActor);
504 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
506 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
511 public void testOnReceiveFindPrimaryWaitForReadyWithIsolatedLeaderShard() throws Exception {
512 new JavaTestKit(getSystem()) {{
513 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
515 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
516 shardManager.tell(new ActorInitialized(), mockShardActor);
517 shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
518 null, RaftState.IsolatedLeader.name()), mockShardActor);
520 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
522 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
527 public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
528 new JavaTestKit(getSystem()) {{
529 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
531 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
532 shardManager.tell(new ActorInitialized(), mockShardActor);
534 shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
536 expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
541 public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
542 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
544 // Create an ActorSystem ShardManager actor for member-1.
546 final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
547 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
549 ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
551 final TestActorRef<ForwardingShardManager> shardManager1 = TestActorRef.create(system1,
552 newPropsShardMgrWithMockShardActor("shardManager1", mockShardActor1, new ClusterWrapperImpl(system1),
553 new MockConfiguration()), shardManagerID);
555 // Create an ActorSystem ShardManager actor for member-2.
557 final ActorSystem system2 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
559 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
561 final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
563 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
564 put("default", Arrays.asList("member-1", "member-2")).
565 put("astronauts", Arrays.asList("member-2")).build());
567 final TestActorRef<ForwardingShardManager> shardManager2 = TestActorRef.create(system2,
568 newPropsShardMgrWithMockShardActor("shardManager2", mockShardActor2, new ClusterWrapperImpl(system2),
569 mockConfig2), shardManagerID);
571 new JavaTestKit(system1) {{
573 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
574 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
576 shardManager2.tell(new ActorInitialized(), mockShardActor2);
578 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
579 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
580 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2,
581 Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor2);
582 shardManager2.tell(new RoleChangeNotification(memberId2,
583 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
585 shardManager1.underlyingActor().waitForMemberUp();
587 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
589 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
590 String path = found.getPrimaryPath();
591 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
592 assertEquals("getPrimaryVersion", leaderVersion, found.getPrimaryVersion());
594 shardManager2.underlyingActor().verifyFindPrimary();
596 Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
598 shardManager1.underlyingActor().waitForMemberRemoved();
600 shardManager1.tell(new FindPrimary("astronauts", false), getRef());
602 expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
605 JavaTestKit.shutdownActorSystem(system1);
606 JavaTestKit.shutdownActorSystem(system2);
610 public void testShardAvailabilityOnChangeOfMemberReachability() throws Exception {
611 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
613 // Create an ActorSystem ShardManager actor for member-1.
615 final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
616 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
618 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
620 final TestActorRef<ForwardingShardManager> shardManager1 = TestActorRef.create(system1,
621 newPropsShardMgrWithMockShardActor("shardManager1", mockShardActor1, new ClusterWrapperImpl(system1),
622 new MockConfiguration()), shardManagerID);
624 // Create an ActorSystem ShardManager actor for member-2.
626 final ActorSystem system2 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
628 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
630 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
632 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
633 put("default", Arrays.asList("member-1", "member-2")).build());
635 final TestActorRef<ForwardingShardManager> shardManager2 = TestActorRef.create(system2,
636 newPropsShardMgrWithMockShardActor("shardManager2", mockShardActor2, new ClusterWrapperImpl(system2),
637 mockConfig2), shardManagerID);
639 new JavaTestKit(system1) {{
641 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
642 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
643 shardManager1.tell(new ActorInitialized(), mockShardActor1);
644 shardManager2.tell(new ActorInitialized(), mockShardActor2);
646 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
647 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
648 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
649 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
650 shardManager1.tell(new RoleChangeNotification(memberId1,
651 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
652 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
653 DataStoreVersions.CURRENT_VERSION),
655 shardManager2.tell(new RoleChangeNotification(memberId2,
656 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
657 shardManager1.underlyingActor().waitForMemberUp();
659 shardManager1.tell(new FindPrimary("default", true), getRef());
661 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
662 String path = found.getPrimaryPath();
663 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
665 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
666 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
668 shardManager1.underlyingActor().waitForUnreachableMember();
670 PeerDown peerDown = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
671 assertEquals("getMemberName", "member-2", peerDown.getMemberName());
672 MessageCollectorActor.clearMessages(mockShardActor1);
674 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
675 createMemberRemoved("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
677 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerDown.class);
679 shardManager1.tell(new FindPrimary("default", true), getRef());
681 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
683 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
684 createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
686 shardManager1.underlyingActor().waitForReachableMember();
688 PeerUp peerUp = MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
689 assertEquals("getMemberName", "member-2", peerUp.getMemberName());
690 MessageCollectorActor.clearMessages(mockShardActor1);
692 shardManager1.tell(new FindPrimary("default", true), getRef());
694 RemotePrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
695 String path1 = found1.getPrimaryPath();
696 assertTrue("Unexpected primary path " + path1, path1.contains("member-2-shard-default-config"));
698 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
699 createMemberUp("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
701 MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
705 JavaTestKit.shutdownActorSystem(system1);
706 JavaTestKit.shutdownActorSystem(system2);
710 public void testShardAvailabilityChangeOnMemberUnreachableAndLeadershipChange() throws Exception {
711 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
713 // Create an ActorSystem ShardManager actor for member-1.
715 final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
716 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
718 final ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
720 final TestActorRef<ForwardingShardManager> shardManager1 = TestActorRef.create(system1,
721 newPropsShardMgrWithMockShardActor("shardManager1", mockShardActor1, new ClusterWrapperImpl(system1),
722 new MockConfiguration()), shardManagerID);
724 // Create an ActorSystem ShardManager actor for member-2.
726 final ActorSystem system2 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
728 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
730 final ActorRef mockShardActor2 = newMockShardActor(system2, Shard.DEFAULT_NAME, "member-2");
732 MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
733 put("default", Arrays.asList("member-1", "member-2")).build());
735 final TestActorRef<ForwardingShardManager> shardManager2 = TestActorRef.create(system2,
736 newPropsShardMgrWithMockShardActor("shardManager2", mockShardActor2, new ClusterWrapperImpl(system2),
737 mockConfig2), shardManagerID);
739 new JavaTestKit(system1) {{
741 shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
742 shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
743 shardManager1.tell(new ActorInitialized(), mockShardActor1);
744 shardManager2.tell(new ActorInitialized(), mockShardActor2);
746 String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
747 String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
748 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
749 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
750 shardManager1.tell(new RoleChangeNotification(memberId1,
751 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
752 shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
753 DataStoreVersions.CURRENT_VERSION),
755 shardManager2.tell(new RoleChangeNotification(memberId2,
756 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
757 shardManager1.underlyingActor().waitForMemberUp();
759 shardManager1.tell(new FindPrimary("default", true), getRef());
761 RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
762 String path = found.getPrimaryPath();
763 assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
765 primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
766 mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
768 shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
769 createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
771 shardManager1.underlyingActor().waitForUnreachableMember();
773 shardManager1.tell(new FindPrimary("default", true), getRef());
775 expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
777 assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
779 shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
780 DataStoreVersions.CURRENT_VERSION), mockShardActor1);
781 shardManager1.tell(new RoleChangeNotification(memberId1,
782 RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
784 shardManager1.tell(new FindPrimary("default", true), getRef());
786 LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
787 String path1 = found1.getPrimaryPath();
788 assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
792 JavaTestKit.shutdownActorSystem(system1);
793 JavaTestKit.shutdownActorSystem(system2);
798 public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
799 new JavaTestKit(getSystem()) {{
800 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
802 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
804 shardManager.tell(new FindLocalShard("non-existent", false), getRef());
806 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
808 assertEquals("getShardName", "non-existent", notFound.getShardName());
813 public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
814 new JavaTestKit(getSystem()) {{
815 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
817 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
818 shardManager.tell(new ActorInitialized(), mockShardActor);
820 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
822 LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
824 assertTrue("Found path contains " + found.getPath().path().toString(),
825 found.getPath().path().toString().contains("member-1-shard-default-config"));
830 public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
831 new JavaTestKit(getSystem()) {{
832 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
834 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
836 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
841 public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
842 new JavaTestKit(getSystem()) {{
843 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
845 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
847 // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
848 // delayed until we send ActorInitialized.
849 Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
850 new Timeout(5, TimeUnit.SECONDS));
852 shardManager.tell(new ActorInitialized(), mockShardActor);
854 Object resp = Await.result(future, duration("5 seconds"));
855 assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
860 public void testOnRecoveryJournalIsCleaned() {
861 String persistenceID = "shard-manager-" + shardMrgIDSuffix;
862 InMemoryJournal.addEntry(persistenceID, 1L, new ShardManager.SchemaContextModules(
863 ImmutableSet.of("foo")));
864 InMemoryJournal.addEntry(persistenceID, 2L, new ShardManager.SchemaContextModules(
865 ImmutableSet.of("bar")));
866 InMemoryJournal.addDeleteMessagesCompleteLatch(persistenceID);
868 TestShardManager shardManager = newTestShardManager();
870 InMemoryJournal.waitForDeleteMessagesComplete(persistenceID);
872 // Journal entries up to the last one should've been deleted
873 Map<Long, Object> journal = InMemoryJournal.get(persistenceID);
874 synchronized (journal) {
875 assertEquals("Journal size", 0, journal.size());
880 public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
881 TestShardManager shardManager = newTestShardManager();
883 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
884 shardManager.onReceiveCommand(new RoleChangeNotification(
885 memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
887 verify(ready, never()).countDown();
889 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
890 Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
892 verify(ready, times(1)).countDown();
896 public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
897 new JavaTestKit(getSystem()) {{
898 TestShardManager shardManager = newTestShardManager();
900 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
901 shardManager.onReceiveCommand(new RoleChangeNotification(
902 memberId, null, RaftState.Follower.name()));
904 verify(ready, never()).countDown();
906 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
908 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
909 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
910 DataStoreVersions.CURRENT_VERSION));
912 verify(ready, times(1)).countDown();
917 public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
918 new JavaTestKit(getSystem()) {{
919 TestShardManager shardManager = newTestShardManager();
921 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
922 shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
924 verify(ready, never()).countDown();
926 shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId,
927 "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
928 DataStoreVersions.CURRENT_VERSION));
930 shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
932 verify(ready, times(1)).countDown();
937 public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
938 TestShardManager shardManager = newTestShardManager();
940 shardManager.onReceiveCommand(new RoleChangeNotification(
941 "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
943 verify(ready, never()).countDown();
947 public void testByDefaultSyncStatusIsFalse() throws Exception{
948 TestShardManager shardManager = newTestShardManager();
950 assertEquals(false, shardManager.getMBean().getSyncStatus());
954 public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
955 TestShardManager shardManager = newTestShardManager();
957 shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix,
958 RaftState.Follower.name(), RaftState.Leader.name()));
960 assertEquals(true, shardManager.getMBean().getSyncStatus());
964 public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
965 TestShardManager shardManager = newTestShardManager();
967 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
968 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
969 RaftState.Follower.name(), RaftState.Candidate.name()));
971 assertEquals(false, shardManager.getMBean().getSyncStatus());
973 // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
974 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(
977 assertEquals(false, shardManager.getMBean().getSyncStatus());
981 public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
982 TestShardManager shardManager = newTestShardManager();
984 String shardId = "member-1-shard-default-" + shardMrgIDSuffix;
985 shardManager.onReceiveCommand(new RoleChangeNotification(shardId,
986 RaftState.Candidate.name(), RaftState.Follower.name()));
988 // Initially will be false
989 assertEquals(false, shardManager.getMBean().getSyncStatus());
991 // Send status true will make sync status true
992 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, shardId));
994 assertEquals(true, shardManager.getMBean().getSyncStatus());
996 // Send status false will make sync status false
997 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(false, shardId));
999 assertEquals(false, shardManager.getMBean().getSyncStatus());
1004 public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
1005 TestShardManager shardManager = newTestShardManager(newShardMgrProps(new MockConfiguration() {
1007 public List<String> getMemberShardNames(String memberName) {
1008 return Arrays.asList("default", "astronauts");
1012 // Initially will be false
1013 assertEquals(false, shardManager.getMBean().getSyncStatus());
1015 // Make default shard leader
1016 String defaultShardId = "member-1-shard-default-" + shardMrgIDSuffix;
1017 shardManager.onReceiveCommand(new RoleChangeNotification(defaultShardId,
1018 RaftState.Follower.name(), RaftState.Leader.name()));
1020 // default = Leader, astronauts is unknown so sync status remains false
1021 assertEquals(false, shardManager.getMBean().getSyncStatus());
1023 // Make astronauts shard leader as well
1024 String astronautsShardId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1025 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1026 RaftState.Follower.name(), RaftState.Leader.name()));
1028 // Now sync status should be true
1029 assertEquals(true, shardManager.getMBean().getSyncStatus());
1031 // Make astronauts a Follower
1032 shardManager.onReceiveCommand(new RoleChangeNotification(astronautsShardId,
1033 RaftState.Leader.name(), RaftState.Follower.name()));
1035 // Sync status is not true
1036 assertEquals(false, shardManager.getMBean().getSyncStatus());
1038 // Make the astronauts follower sync status true
1039 shardManager.onReceiveCommand(new FollowerInitialSyncUpStatus(true, astronautsShardId));
1041 // Sync status is now true
1042 assertEquals(true, shardManager.getMBean().getSyncStatus());
1047 public void testOnReceiveSwitchShardBehavior() throws Exception {
1048 new JavaTestKit(getSystem()) {{
1049 final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
1051 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1052 shardManager.tell(new ActorInitialized(), mockShardActor);
1054 shardManager.tell(new SwitchShardBehavior(mockShardName, "Leader", 1000), getRef());
1056 SwitchBehavior switchBehavior = MessageCollectorActor.expectFirstMatching(mockShardActor, SwitchBehavior.class);
1058 assertEquals(RaftState.Leader, switchBehavior.getNewState());
1059 assertEquals(1000, switchBehavior.getNewTerm());
1064 public void testOnCreateShard() {
1065 new JavaTestKit(getSystem()) {{
1066 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1068 ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
1069 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1071 SchemaContext schemaContext = TestModel.createTestContext();
1072 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1074 DatastoreContext datastoreContext = DatastoreContext.newBuilder().shardElectionTimeoutFactor(100).
1075 persistent(false).build();
1076 Shard.Builder shardBuilder = Shard.builder();
1078 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1079 "foo", null, Arrays.asList("member-1", "member-5", "member-6"));
1080 shardManager.tell(new CreateShard(config, shardBuilder, datastoreContext), getRef());
1082 expectMsgClass(duration("5 seconds"), Success.class);
1084 shardManager.tell(new FindLocalShard("foo", true), getRef());
1086 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1088 assertEquals("isRecoveryApplicable", false, shardBuilder.getDatastoreContext().isPersistent());
1089 assertTrue("Epxected ShardPeerAddressResolver", shardBuilder.getDatastoreContext().getShardRaftConfig().
1090 getPeerAddressResolver() instanceof ShardPeerAddressResolver);
1091 assertEquals("peerMembers", Sets.newHashSet(new ShardIdentifier("foo", "member-5", shardMrgIDSuffix).toString(),
1092 new ShardIdentifier("foo", "member-6", shardMrgIDSuffix).toString()),
1093 shardBuilder.getPeerAddresses().keySet());
1094 assertEquals("ShardIdentifier", new ShardIdentifier("foo", "member-1", shardMrgIDSuffix),
1095 shardBuilder.getId());
1096 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1098 // Send CreateShard with same name - should return Success with a message.
1100 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1102 Success success = expectMsgClass(duration("5 seconds"), Success.class);
1103 assertNotNull("Success status is null", success.status());
1108 public void testOnCreateShardWithLocalMemberNotInShardConfig() {
1109 new JavaTestKit(getSystem()) {{
1110 datastoreContextBuilder.shardInitializationTimeout(1, TimeUnit.MINUTES).persistent(true);
1112 ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
1113 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1115 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1117 Shard.Builder shardBuilder = Shard.builder();
1118 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1119 "foo", null, Arrays.asList("member-5", "member-6"));
1121 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1122 expectMsgClass(duration("5 seconds"), Success.class);
1124 shardManager.tell(new FindLocalShard("foo", true), getRef());
1125 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1127 assertEquals("peerMembers size", 0, shardBuilder.getPeerAddresses().size());
1128 assertEquals("schemaContext", DisableElectionsRaftPolicy.class.getName(),
1129 shardBuilder.getDatastoreContext().getShardRaftConfig().getCustomRaftPolicyImplementationClass());
1134 public void testOnCreateShardWithNoInitialSchemaContext() {
1135 new JavaTestKit(getSystem()) {{
1136 ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
1137 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1139 Shard.Builder shardBuilder = Shard.builder();
1141 ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
1142 "foo", null, Arrays.asList("member-1"));
1143 shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
1145 expectMsgClass(duration("5 seconds"), Success.class);
1147 SchemaContext schemaContext = TestModel.createTestContext();
1148 shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
1150 shardManager.tell(new FindLocalShard("foo", true), getRef());
1152 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1154 assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
1155 assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
1160 public void testGetSnapshot() throws Throwable {
1161 JavaTestKit kit = new JavaTestKit(getSystem());
1163 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1164 put("shard1", Arrays.asList("member-1")).
1165 put("shard2", Arrays.asList("member-1")).build());
1167 ActorRef shardManager = getSystem().actorOf(newShardMgrProps(mockConfig).withDispatcher(
1168 Dispatchers.DefaultDispatcherId()));
1170 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1171 Failure failure = kit.expectMsgClass(Failure.class);
1172 assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
1174 kit = new JavaTestKit(getSystem());
1176 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
1178 shardManager.tell(new FindLocalShard("shard1", true), kit.getRef());
1179 kit.expectMsgClass(LocalShardFound.class);
1180 shardManager.tell(new FindLocalShard("shard2", true), kit.getRef());
1181 kit.expectMsgClass(LocalShardFound.class);
1183 shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
1185 DatastoreSnapshot datastoreSnapshot = kit.expectMsgClass(DatastoreSnapshot.class);
1187 assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
1188 List<ShardSnapshot> shardSnapshots = datastoreSnapshot.getShardSnapshots();
1189 Set<String> actualShardNames = new HashSet<>();
1190 for(ShardSnapshot s: shardSnapshots) {
1191 actualShardNames.add(s.getName());
1194 assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), actualShardNames);
1196 shardManager.tell(PoisonPill.getInstance(), ActorRef.noSender());
1200 public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
1201 new JavaTestKit(getSystem()) {{
1202 ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
1203 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1205 shardManager.tell(new AddShardReplica("model-inventory"), getRef());
1206 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1208 assertEquals("Failure obtained", true,
1209 (resp.cause() instanceof IllegalArgumentException));
1214 public void testAddShardReplica() throws Exception {
1215 MockConfiguration mockConfig =
1216 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1217 put("default", Arrays.asList("member-1", "member-2")).
1218 put("astronauts", Arrays.asList("member-2")).build());
1220 String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
1222 // Create an ActorSystem ShardManager actor for member-1.
1223 final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
1224 Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1225 ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
1226 final TestActorRef<ForwardingShardManager> newReplicaShardManager = TestActorRef.create(system1,
1227 newPropsShardMgrWithMockShardActor("shardManager1", mockDefaultShardActor,
1228 new ClusterWrapperImpl(system1), mockConfig), shardManagerID);
1230 // Create an ActorSystem ShardManager actor for member-2.
1231 final ActorSystem system2 = ActorSystem.create("cluster-test",
1232 ConfigFactory.load().getConfig("Member2"));
1233 Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
1235 String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
1236 final TestActorRef<MockRespondActor> mockShardLeaderActor =
1237 TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
1238 final TestActorRef<ForwardingShardManager> leaderShardManager = TestActorRef.create(system2,
1239 newPropsShardMgrWithMockShardActor("shardManager2", mockShardLeaderActor,
1240 new ClusterWrapperImpl(system2), mockConfig), shardManagerID);
1242 new JavaTestKit(system1) {{
1244 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1245 leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1247 leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
1249 String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
1250 short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
1251 leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
1252 Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
1253 leaderShardManager.tell(new RoleChangeNotification(memberId2,
1254 RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
1256 newReplicaShardManager.underlyingActor().waitForMemberUp();
1257 leaderShardManager.underlyingActor().waitForMemberUp();
1259 //construct a mock response message
1260 AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
1261 mockShardLeaderActor.underlyingActor().updateResponse(response);
1262 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1263 AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
1265 String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
1266 assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
1267 newReplicaShardManager.underlyingActor()
1268 .verifySnapshotPersisted(Sets.newHashSet("default", "astronauts"));
1269 expectMsgClass(duration("5 seconds"), Status.Success.class);
1272 JavaTestKit.shutdownActorSystem(system1);
1273 JavaTestKit.shutdownActorSystem(system2);
1277 public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
1278 new JavaTestKit(getSystem()) {{
1279 TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
1280 newPropsShardMgrWithMockShardActor(), shardMgrID);
1282 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1283 shardManager.tell(new ActorInitialized(), mockShardActor);
1285 String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
1286 AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
1287 ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
1288 Props.create(MockRespondActor.class, addServerReply), leaderId);
1290 MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
1292 String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
1293 shardManager.tell(new RoleChangeNotification(newReplicaId,
1294 RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
1295 shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
1296 DataStoreVersions.CURRENT_VERSION), mockShardActor);
1298 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1300 MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
1302 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1303 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1305 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1306 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1308 // Send message again to verify previous in progress state is cleared
1310 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1311 resp = expectMsgClass(duration("5 seconds"), Failure.class);
1312 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1314 // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
1316 shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
1317 shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
1318 leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
1319 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1320 expectMsgClass(duration("5 seconds"), Failure.class);
1322 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1323 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1325 leaderShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
1330 public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
1331 new JavaTestKit(getSystem()) {{
1332 String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
1333 ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
1335 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1336 shardManager.tell(new ActorInitialized(), mockShardActor);
1337 shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
1338 DataStoreVersions.CURRENT_VERSION), getRef());
1339 shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
1340 RaftState.Leader.name())), mockShardActor);
1342 shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
1343 Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
1344 assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
1346 shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
1347 expectMsgClass(duration("5 seconds"), LocalShardFound.class);
1352 public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
1353 new JavaTestKit(getSystem()) {{
1354 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1356 MockConfiguration mockConfig =
1357 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1358 put("astronauts", Arrays.asList("member-2")).build());
1360 ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
1361 TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
1362 newPropsShardMgrWithMockShardActor("newReplicaShardManager", mockNewReplicaShardActor,
1363 new MockClusterWrapper(), mockConfig), shardMgrID);
1364 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1366 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1368 JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
1369 terminateWatcher.watch(mockNewReplicaShardActor);
1371 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1373 AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
1374 assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
1375 addServerMsg.getNewServerId());
1376 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
1378 Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
1379 assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
1381 shardManager.tell(new FindLocalShard("astronauts", false), getRef());
1382 expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1384 terminateWatcher.expectTerminated(mockNewReplicaShardActor);
1386 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1387 mockShardLeaderKit.expectMsgClass(AddServer.class);
1388 mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
1389 failure = expectMsgClass(duration("5 seconds"), Failure.class);
1390 assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
1395 public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
1396 new JavaTestKit(getSystem()) {{
1397 JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
1398 JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
1400 MockConfiguration mockConfig =
1401 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1402 put("astronauts", Arrays.asList("member-2")).build());
1404 TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
1405 newPropsShardMgrWithMockShardActor("newReplicaShardManager", mockShardActor,
1406 new MockClusterWrapper(), mockConfig), shardMgrID);
1407 shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
1409 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1411 shardManager.tell(new AddShardReplica("astronauts"), getRef());
1413 mockShardLeaderKit.expectMsgClass(AddServer.class);
1415 shardManager.tell(new AddShardReplica("astronauts"), secondRequestKit.getRef());
1417 secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
1422 public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
1423 new JavaTestKit(getSystem()) {{
1424 MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1425 put("astronauts", Arrays.asList("member-2")).build());
1427 ActorRef newReplicaShardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(
1428 "shardManager", mockShardActor, new MockClusterWrapper(), mockConfig));
1430 newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1431 MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2", getRef().path().toString());
1433 newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
1434 Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
1435 assertEquals("Failure obtained", true,
1436 (resp.cause() instanceof RuntimeException));
1441 public void testRemoveShardReplicaForNonExistentShard() throws Exception {
1442 new JavaTestKit(getSystem()) {{
1443 ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
1444 new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
1446 shardManager.tell(new RemoveShardReplica("model-inventory"), getRef());
1447 Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
1448 assertEquals("Failure obtained", true,
1449 (resp.cause() instanceof IllegalArgumentException));
1455 public void testServerRemovedShardActorNotRunning() throws Exception {
1456 new JavaTestKit(getSystem()) {{
1457 MockConfiguration mockConfig =
1458 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1459 put("default", Arrays.asList("member-1", "member-2")).
1460 put("astronauts", Arrays.asList("member-2")).
1461 put("people", Arrays.asList("member-1", "member-2")).build());
1463 TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1464 newShardMgrProps(mockConfig));
1466 shardManager.underlyingActor().waitForRecoveryComplete();
1468 shardManager.tell(new FindLocalShard("people", false), getRef());
1469 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1471 shardManager.tell(new FindLocalShard("default", false), getRef());
1472 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1474 // Removed the default shard replica from member-1
1475 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1476 final ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type("config1").build();
1477 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1479 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1484 public void testServerRemovedShardActorRunning() throws Exception {
1485 new JavaTestKit(getSystem()) {{
1486 MockConfiguration mockConfig =
1487 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1488 put("default", Arrays.asList("member-1", "member-2")).
1489 put("astronauts", Arrays.asList("member-2")).
1490 put("people", Arrays.asList("member-1", "member-2")).build());
1492 TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
1493 newShardMgrProps(mockConfig));
1495 TestActorRef<MessageCollectorActor> shard = TestActorRef.create(getSystem(), MessageCollectorActor.props());
1499 shardManager.underlyingActor().waitForRecoveryComplete();
1501 shardManager.underlyingActor().addShardActor("default", shard);
1503 shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
1505 shardManager.tell(new FindLocalShard("people", false), getRef());
1506 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1508 shardManager.tell(new FindLocalShard("default", false), getRef());
1509 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1511 // Removed the default shard replica from member-1
1512 ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
1513 final ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type("config1").build();
1514 shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
1516 shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
1518 expectMsgClass(duration("5 seconds"), Terminated.class);
1524 public void testShardPersistenceWithRestoredData() throws Exception {
1525 new JavaTestKit(getSystem()) {{
1526 MockConfiguration mockConfig =
1527 new MockConfiguration(ImmutableMap.<String, List<String>>builder().
1528 put("default", Arrays.asList("member-1", "member-2")).
1529 put("astronauts", Arrays.asList("member-2")).
1530 put("people", Arrays.asList("member-1", "member-2")).build());
1531 String[] restoredShards = {"default", "astronauts"};
1532 ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
1533 InMemorySnapshotStore.addSnapshot("shard-manager-" + shardMrgIDSuffix, snapshot);
1535 //create shardManager to come up with restored data
1536 TestActorRef<TestShardManager> newRestoredShardManager = TestActorRef.create(getSystem(),
1537 newShardMgrProps(mockConfig));
1539 newRestoredShardManager.underlyingActor().waitForRecoveryComplete();
1541 newRestoredShardManager.tell(new FindLocalShard("people", false), getRef());
1542 LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
1543 assertEquals("for uninitialized shard", "people", notFound.getShardName());
1545 //Verify a local shard is created for the restored shards,
1546 //although we expect a NotInitializedException for the shards as the actor initialization
1547 //message is not sent for them
1548 newRestoredShardManager.tell(new FindLocalShard("default", false), getRef());
1549 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1551 newRestoredShardManager.tell(new FindLocalShard("astronauts", false), getRef());
1552 expectMsgClass(duration("5 seconds"), NotInitializedException.class);
1557 private static class TestShardManager extends ShardManager {
1558 private final CountDownLatch recoveryComplete = new CountDownLatch(1);
1559 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1560 private ShardManagerSnapshot snapshot;
1561 private Map<String, ActorRef> shardActors = new HashMap<>();
1563 private TestShardManager(Builder builder) {
1568 public void handleRecover(Object message) throws Exception {
1570 super.handleRecover(message);
1572 if(message instanceof RecoveryCompleted) {
1573 recoveryComplete.countDown();
1578 void waitForRecoveryComplete() {
1579 assertEquals("Recovery complete", true,
1580 Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
1583 public static Builder builder(DatastoreContext.Builder datastoreContextBuilder) {
1584 return new Builder(datastoreContextBuilder);
1587 private static class Builder extends ShardManager.Builder {
1588 Builder(DatastoreContext.Builder datastoreContextBuilder) {
1589 cluster(new MockClusterWrapper()).configuration(new MockConfiguration());
1590 datastoreContextFactory(newDatastoreContextFactory(datastoreContextBuilder.build()));
1591 waitTillReadyCountdownLatch(ready).primaryShardInfoCache(new PrimaryShardInfoFutureCache());
1595 public Props props() {
1597 return Props.create(TestShardManager.class, this);
1602 public void saveSnapshot(Object obj) {
1603 snapshot = (ShardManagerSnapshot) obj;
1604 snapshotPersist.countDown();
1607 void verifySnapshotPersisted(Set<String> shardList) {
1608 assertEquals("saveSnapshot invoked", true,
1609 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
1610 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
1614 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
1615 if(shardActors.get(info.getShardName()) != null){
1616 return shardActors.get(info.getShardName());
1618 return super.newShardActor(schemaContext, info);
1621 public void addShardActor(String shardName, ActorRef actorRef){
1622 shardActors.put(shardName, actorRef);
1626 private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
1627 private static final long serialVersionUID = 1L;
1628 private final Creator<ShardManager> delegate;
1630 public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
1631 this.delegate = delegate;
1635 public ShardManager create() throws Exception {
1636 return delegate.create();
1640 interface MessageInterceptor extends Function<Object, Object> {
1641 boolean canIntercept(Object message);
1644 private MessageInterceptor newFindPrimaryInterceptor(final ActorRef primaryActor) {
1645 return new MessageInterceptor(){
1647 public Object apply(Object message) {
1648 return new RemotePrimaryShardFound(Serialization.serializedActorPath(primaryActor), (short) 1);
1652 public boolean canIntercept(Object message) {
1653 return message instanceof FindPrimary;
1658 private static class ForwardingShardManager extends ShardManager {
1659 private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
1660 private CountDownLatch memberUpReceived = new CountDownLatch(1);
1661 private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
1662 private CountDownLatch memberUnreachableReceived = new CountDownLatch(1);
1663 private CountDownLatch memberReachableReceived = new CountDownLatch(1);
1664 private final ActorRef shardActor;
1665 private final String name;
1666 private final CountDownLatch snapshotPersist = new CountDownLatch(1);
1667 private ShardManagerSnapshot snapshot;
1668 private volatile MessageInterceptor messageInterceptor;
1670 public ForwardingShardManager(Builder builder, String name, ActorRef shardActor) {
1672 this.shardActor = shardActor;
1676 void setMessageInterceptor(MessageInterceptor messageInterceptor) {
1677 this.messageInterceptor = messageInterceptor;
1682 public void handleCommand(Object message) throws Exception {
1684 if(messageInterceptor != null && messageInterceptor.canIntercept(message)) {
1685 getSender().tell(messageInterceptor.apply(message), getSelf());
1687 super.handleCommand(message);
1690 if(message instanceof FindPrimary) {
1691 findPrimaryMessageReceived.countDown();
1692 } else if(message instanceof ClusterEvent.MemberUp) {
1693 String role = ((ClusterEvent.MemberUp)message).member().roles().head();
1694 if(!getCluster().getCurrentMemberName().equals(role)) {
1695 memberUpReceived.countDown();
1697 } else if(message instanceof ClusterEvent.MemberRemoved) {
1698 String role = ((ClusterEvent.MemberRemoved)message).member().roles().head();
1699 if(!getCluster().getCurrentMemberName().equals(role)) {
1700 memberRemovedReceived.countDown();
1702 } else if(message instanceof ClusterEvent.UnreachableMember) {
1703 String role = ((ClusterEvent.UnreachableMember)message).member().roles().head();
1704 if(!getCluster().getCurrentMemberName().equals(role)) {
1705 memberUnreachableReceived.countDown();
1707 } else if(message instanceof ClusterEvent.ReachableMember) {
1708 String role = ((ClusterEvent.ReachableMember)message).member().roles().head();
1709 if(!getCluster().getCurrentMemberName().equals(role)) {
1710 memberReachableReceived.countDown();
1717 public String persistenceId() {
1722 protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
1726 void waitForMemberUp() {
1727 assertEquals("MemberUp received", true,
1728 Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
1729 memberUpReceived = new CountDownLatch(1);
1732 void waitForMemberRemoved() {
1733 assertEquals("MemberRemoved received", true,
1734 Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
1735 memberRemovedReceived = new CountDownLatch(1);
1738 void waitForUnreachableMember() {
1739 assertEquals("UnreachableMember received", true,
1740 Uninterruptibles.awaitUninterruptibly(memberUnreachableReceived, 5, TimeUnit.SECONDS
1742 memberUnreachableReceived = new CountDownLatch(1);
1745 void waitForReachableMember() {
1746 assertEquals("ReachableMember received", true,
1747 Uninterruptibles.awaitUninterruptibly(memberReachableReceived, 5, TimeUnit.SECONDS));
1748 memberReachableReceived = new CountDownLatch(1);
1751 void verifyFindPrimary() {
1752 assertEquals("FindPrimary received", true,
1753 Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
1754 findPrimaryMessageReceived = new CountDownLatch(1);
1758 public void saveSnapshot(Object obj) {
1759 snapshot = (ShardManagerSnapshot) obj;
1760 snapshotPersist.countDown();
1763 void verifySnapshotPersisted(Set<String> shardList) {
1764 assertEquals("saveSnapshot invoked", true,
1765 Uninterruptibles.awaitUninterruptibly(snapshotPersist, 5, TimeUnit.SECONDS));
1766 assertEquals("Shard Persisted", shardList, Sets.newHashSet(snapshot.getShardList()));
1770 private static class MockRespondActor extends MessageCollectorActor {
1771 static final String CLEAR_RESPONSE = "clear-response";
1773 private volatile Object responseMsg;
1775 @SuppressWarnings("unused")
1776 public MockRespondActor() {
1779 @SuppressWarnings("unused")
1780 public MockRespondActor(Object responseMsg) {
1781 this.responseMsg = responseMsg;
1784 public void updateResponse(Object response) {
1785 responseMsg = response;
1789 public void onReceive(Object message) throws Exception {
1790 super.onReceive(message);
1791 if (message instanceof AddServer) {
1792 if (responseMsg != null) {
1793 getSender().tell(responseMsg, getSelf());
1795 } if(message.equals(CLEAR_RESPONSE)) {