+ MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).build());
+
+ final TestActorRef<ForwardingShardManager> shardManager2 = TestActorRef.create(system2,
+ newPropsShardMgrWithMockShardActor("shardManager2", mockShardActor2, new ClusterWrapperImpl(system2),
+ mockConfig2), shardManagerID);
+
+ new JavaTestKit(system1) {{
+
+ shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager1.tell(new ActorInitialized(), mockShardActor1);
+ shardManager2.tell(new ActorInitialized(), mockShardActor2);
+
+ String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
+ String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId2,
+ Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION), mockShardActor1);
+ shardManager1.tell(new RoleChangeNotification(memberId1,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor1);
+ shardManager2.tell(new ShardLeaderStateChanged(memberId2, memberId2, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION),
+ mockShardActor2);
+ shardManager2.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
+ shardManager1.underlyingActor().waitForMemberUp();
+
+ shardManager1.tell(new FindPrimary("default", true), getRef());
+
+ RemotePrimaryShardFound found = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
+ String path = found.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-default-config"));
+
+ primaryShardInfoCache.putSuccessful("default", new PrimaryShardInfo(system1.actorSelection(
+ mockShardActor1.path()), DataStoreVersions.CURRENT_VERSION, Optional.<DataTree>absent()));
+
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ shardManager1.underlyingActor().waitForUnreachableMember();
+
+ shardManager1.tell(new FindPrimary("default", true), getRef());
+
+ expectMsgClass(duration("5 seconds"), NoShardLeaderException.class);
+
+ assertNull("Expected primaryShardInfoCache entry removed", primaryShardInfoCache.getIfPresent("default"));
+
+ shardManager1.tell(new ShardLeaderStateChanged(memberId1, memberId1, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION), mockShardActor1);
+ shardManager1.tell(new RoleChangeNotification(memberId1,
+ RaftState.Follower.name(), RaftState.Leader.name()), mockShardActor1);
+
+ shardManager1.tell(new FindPrimary("default", true), getRef());
+
+ LocalPrimaryShardFound found1 = expectMsgClass(duration("5 seconds"), LocalPrimaryShardFound.class);
+ String path1 = found1.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path1, path1.contains("member-1-shard-default-config"));
+
+ }};
+
+ JavaTestKit.shutdownActorSystem(system1);
+ JavaTestKit.shutdownActorSystem(system2);
+ }
+
+
+ @Test
+ public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(new FindLocalShard("non-existent", false), getRef());
+
+ LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+
+ assertEquals("getShardName", "non-existent", notFound.getShardName());
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+
+ LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertTrue("Found path contains " + found.getPath().path().toString(),
+ found.getPath().path().toString().contains("member-1-shard-default-config"));
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
+ // delayed until we send ActorInitialized.
+ Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
+ new Timeout(5, TimeUnit.SECONDS));
+
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ Object resp = Await.result(future, duration("5 seconds"));
+ assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
+ }};
+ }
+
+ @Test
+ public void testOnRecoveryJournalIsCleaned() {
+ InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
+ ImmutableSet.of("foo")));
+ InMemoryJournal.addEntry(shardMgrID, 2L, new ShardManager.SchemaContextModules(
+ ImmutableSet.of("bar")));
+ InMemoryJournal.addDeleteMessagesCompleteLatch(shardMgrID);
+
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+ InMemoryJournal.waitForDeleteMessagesComplete(shardMgrID);
+
+ // Journal entries up to the last one should've been deleted
+ Map<Long, Object> journal = InMemoryJournal.get(shardMgrID);
+ synchronized (journal) {
+ assertEquals("Journal size", 0, journal.size());
+ }
+ }};
+ }
+
+ @Test
+ public void testRoleChangeNotificationAndShardLeaderStateChangedReleaseReady() throws Exception {
+ new JavaTestKit(getSystem()) {
+ {
+ TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps(true));
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
+ memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
+
+ verify(ready, never()).countDown();
+
+ shardManager.underlyingActor().onReceiveCommand(new ShardLeaderStateChanged(memberId, memberId,
+ Optional.of(mock(DataTree.class)), DataStoreVersions.CURRENT_VERSION));
+
+ verify(ready, times(1)).countDown();
+
+ }};
+ }
+
+ @Test
+ public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
+ new JavaTestKit(getSystem()) {
+ {
+ TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps(true));
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
+ memberId, null, RaftState.Follower.name()));
+
+ verify(ready, never()).countDown();
+
+ shardManager.underlyingActor().onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
+
+ shardManager.underlyingActor().onReceiveCommand(new ShardLeaderStateChanged(memberId,
+ "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION));
+
+ verify(ready, times(1)).countDown();
+
+ }};
+ }
+
+ @Test
+ public void testReadyCountDownForMemberUpAfterLeaderStateChanged() throws Exception {
+ new JavaTestKit(getSystem()) {
+ {
+ TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps(true));
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
+ memberId, null, RaftState.Follower.name()));
+
+ verify(ready, never()).countDown();
+
+ shardManager.underlyingActor().onReceiveCommand(new ShardLeaderStateChanged(memberId,
+ "member-2-shard-default-" + shardMrgIDSuffix, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION));
+
+ shardManager.underlyingActor().onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
+
+ verify(ready, times(1)).countDown();
+
+ }};
+ }
+
+ @Test
+ public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
+ new JavaTestKit(getSystem()) {
+ {
+ TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps(true));
+
+ shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
+ "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
+
+ verify(ready, never()).countDown();
+
+ }};
+ }
+
+
+ @Test
+ public void testByDefaultSyncStatusIsFalse() throws Exception{
+ final Props persistentProps = newShardMgrProps(true);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration(),
+ DatastoreContext.newBuilder().persistent(true).build(), ready, primaryShardInfoCache);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ RaftState.Follower.name(), RaftState.Leader.name()));
+
+ assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
+ final Props persistentProps = newShardMgrProps(true);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ RaftState.Follower.name(), RaftState.Candidate.name()));
+
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
+ shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration(),
+ DatastoreContext.newBuilder().persistent(true).build(), ready, primaryShardInfoCache);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ RaftState.Candidate.name(), RaftState.Follower.name()));
+
+ // Initially will be false
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Send status true will make sync status true
+ shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+
+ assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+
+ // Send status false will make sync status false
+ shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(false, "member-1-shard-default-unknown"));
+
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ }
+
+ @Test
+ public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration() {
+ @Override
+ public List<String> getMemberShardNames(String memberName) {
+ return Arrays.asList("default", "astronauts");
+ }
+ },
+ DatastoreContext.newBuilder().persistent(true).build(), ready, primaryShardInfoCache);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+
+ // Initially will be false
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Make default shard leader
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ RaftState.Follower.name(), RaftState.Leader.name()));
+
+ // default = Leader, astronauts is unknown so sync status remains false
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Make astronauts shard leader as well
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
+ RaftState.Follower.name(), RaftState.Leader.name()));
+
+ // Now sync status should be true
+ assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+
+ // Make astronauts a Follower
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
+ RaftState.Leader.name(), RaftState.Follower.name()));
+
+ // Sync status is not true
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Make the astronauts follower sync status true
+ shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-astronauts-unknown"));
+
+ // Sync status is now true
+ assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+
+ }
+
+ private static class TestShardManager extends ShardManager {
+ private final CountDownLatch recoveryComplete = new CountDownLatch(1);
+
+ TestShardManager(String shardMrgIDSuffix) {
+ super(new MockClusterWrapper(), new MockConfiguration(),
+ DatastoreContext.newBuilder().dataStoreType(shardMrgIDSuffix).build(), ready,
+ new PrimaryShardInfoFutureCache());
+ }
+
+ @Override
+ public void handleRecover(Object message) throws Exception {
+ try {
+ super.handleRecover(message);
+ } finally {
+ if(message instanceof RecoveryCompleted) {
+ recoveryComplete.countDown();
+ }
+ }
+ }
+
+ void waitForRecoveryComplete() {
+ assertEquals("Recovery complete", true,
+ Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
+ }
+ }
+
+ @SuppressWarnings("serial")
+ static class TestShardManagerCreator implements Creator<TestShardManager> {
+ String shardMrgIDSuffix;
+
+ TestShardManagerCreator(String shardMrgIDSuffix) {
+ this.shardMrgIDSuffix = shardMrgIDSuffix;
+ }
+
+ @Override
+ public TestShardManager create() throws Exception {
+ return new TestShardManager(shardMrgIDSuffix);