+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof IllegalArgumentException));
+ }};
+ }
+
+ @Test
+ public void testAddShardReplica() throws Exception {
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+ datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-1.
+ final ActorSystem system1 = newActorSystem("Member1");
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+ ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
+ final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
+ newTestShardMgrBuilder(mockConfig).shardActor(mockDefaultShardActor).cluster(
+ new ClusterWrapperImpl(system1)).props(), shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = newActorSystem("Member2");
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ String name = new ShardIdentifier("astronauts", "member-2", "config").toString();
+ final TestActorRef<MockRespondActor> mockShardLeaderActor =
+ TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
+ final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
+ newTestShardMgrBuilder(mockConfig).shardActor(mockShardLeaderActor).cluster(
+ new ClusterWrapperImpl(system2)).props(), shardManagerID);
+
+ new JavaTestKit(system1) {{
+
+ newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
+
+ String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
+ short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
+ leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
+ Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
+ leaderShardManager.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
+
+ newReplicaShardManager.underlyingActor().waitForMemberUp();
+ leaderShardManager.underlyingActor().waitForMemberUp();
+
+ //Have a dummy snapshot to be overwritten by the new data persisted.
+ String[] restoredShards = {"default", "people"};
+ ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
+ InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
+ Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
+
+ InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
+ InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
+
+ //construct a mock response message
+ AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
+ mockShardLeaderActor.underlyingActor().updateResponse(response);
+ newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
+ AddServer addServerMsg = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
+ AddServer.class);
+ String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
+ assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
+ expectMsgClass(duration("5 seconds"), Status.Success.class);
+
+ InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
+ InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
+ List<ShardManagerSnapshot> persistedSnapshots =
+ InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
+ assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
+ ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
+ assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
+ Sets.newHashSet(shardManagerSnapshot.getShardList()));
+ }};
+
+ LOG.info("testAddShardReplica ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
+ LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader starting");
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
+ newPropsShardMgrWithMockShardActor(), shardMgrID);
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ String leaderId = "leader-member-shard-default-" + shardMrgIDSuffix;
+ AddServerReply addServerReply = new AddServerReply(ServerChangeStatus.ALREADY_EXISTS, null);
+ ActorRef leaderShardActor = shardManager.underlyingActor().getContext().actorOf(
+ Props.create(MockRespondActor.class, addServerReply), leaderId);
+
+ MockClusterWrapper.sendMemberUp(shardManager, "leader-member", leaderShardActor.path().toString());
+
+ String newReplicaId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.tell(new RoleChangeNotification(newReplicaId,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
+ shardManager.tell(new ShardLeaderStateChanged(newReplicaId, leaderId, Optional.<DataTree>absent(),
+ DataStoreVersions.CURRENT_VERSION), mockShardActor);
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+
+ MessageCollectorActor.expectFirstMatching(leaderShardActor, AddServer.class);
+
+ Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ // Send message again to verify previous in progress state is cleared
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ // Send message again with an AddServer timeout to verify the pre-existing shard actor isn't terminated.
+
+ shardManager.tell(newDatastoreContextFactory(datastoreContextBuilder.
+ shardLeaderElectionTimeout(100, TimeUnit.MILLISECONDS).build()), getRef());
+ leaderShardActor.tell(MockRespondActor.CLEAR_RESPONSE, ActorRef.noSender());
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ expectMsgClass(duration("5 seconds"), Failure.class);
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+ }};
+
+ LOG.info("testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingLocalReplicaLeader() throws Exception {
+ LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader starting");
+ new JavaTestKit(getSystem()) {{
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION), getRef());
+ shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
+ RaftState.Leader.name())), mockShardActor);
+
+ shardManager.tell(new AddShardReplica(Shard.DEFAULT_NAME), getRef());
+ Failure resp = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", AlreadyExistsException.class, resp.cause().getClass());
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+ }};
+
+ LOG.info("testAddShardReplicaWithPreExistingLocalReplicaLeader ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithAddServerReplyFailure() throws Exception {
+ LOG.info("testAddShardReplicaWithAddServerReplyFailure starting");
+ new JavaTestKit(getSystem()) {{
+ JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ ActorRef mockNewReplicaShardActor = newMockShardActor(getSystem(), "astronauts", "member-1");
+ final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
+ newTestShardMgrBuilder(mockConfig).shardActor(mockNewReplicaShardActor).props(), shardMgrID);
+ shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ JavaTestKit terminateWatcher = new JavaTestKit(getSystem());
+ terminateWatcher.watch(mockNewReplicaShardActor);
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+
+ AddServer addServerMsg = mockShardLeaderKit.expectMsgClass(AddServer.class);
+ assertEquals("AddServer serverId", "member-1-shard-astronauts-" + shardMrgIDSuffix,
+ addServerMsg.getNewServerId());
+ mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.TIMEOUT, null));
+
+ Failure failure = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", TimeoutException.class, failure.cause().getClass());
+
+ shardManager.tell(new FindLocalShard("astronauts", false), getRef());
+ expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+
+ terminateWatcher.expectTerminated(mockNewReplicaShardActor);
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+ mockShardLeaderKit.expectMsgClass(AddServer.class);
+ mockShardLeaderKit.reply(new AddServerReply(ServerChangeStatus.NO_LEADER, null));
+ failure = expectMsgClass(duration("5 seconds"), Failure.class);
+ assertEquals("Failure cause", NoShardLeaderException.class, failure.cause().getClass());
+ }};
+
+ LOG.info("testAddShardReplicaWithAddServerReplyFailure ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
+ LOG.info("testAddShardReplicaWithAlreadyInProgress starting");
+ new JavaTestKit(getSystem()) {{
+ JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
+ JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
+ newTestShardMgrBuilder(mockConfig).shardActor(mockShardActor).props(), shardMgrID);
+ shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(new AddShardReplica("astronauts"), getRef());
+
+ mockShardLeaderKit.expectMsgClass(AddServer.class);
+
+ shardManager.tell(new AddShardReplica("astronauts"), secondRequestKit.getRef());
+
+ secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
+ }};
+
+ LOG.info("testAddShardReplicaWithAlreadyInProgress ending");
+ }
+
+ @Test
+ public void testAddShardReplicaWithFindPrimaryTimeout() throws Exception {
+ LOG.info("testAddShardReplicaWithFindPrimaryTimeout starting");
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ final ActorRef newReplicaShardManager = actorFactory.createActor(newTestShardMgrBuilder(mockConfig).
+ shardActor(mockShardActor).props(), shardMgrID);
+
+ newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ MockClusterWrapper.sendMemberUp(newReplicaShardManager, "member-2", getRef().path().toString());
+
+ newReplicaShardManager.tell(new AddShardReplica("astronauts"), getRef());
+ Status.Failure resp = expectMsgClass(duration("5 seconds"), Status.Failure.class);
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof RuntimeException));
+ }};
+
+ LOG.info("testAddShardReplicaWithFindPrimaryTimeout ending");
+ }
+
+ @Test
+ public void testRemoveShardReplicaForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new RemoveShardReplica("model-inventory"), getRef());
+ Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
+ assertEquals("Failure obtained", true,
+ (resp.cause() instanceof IllegalArgumentException));
+ }};
+
+ }
+
+ @Test
+ public void testServerRemovedShardActorNotRunning() throws Exception {
+ LOG.info("testServerRemovedShardActorNotRunning starting");
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).
+ put("people", Arrays.asList("member-1", "member-2")).build());
+
+ TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(newShardMgrProps(mockConfig));
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+ shardManager.tell(new FindLocalShard("people", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ shardManager.tell(new FindLocalShard("default", false), getRef());
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+
+ // Removed the default shard replica from member-1
+ ShardIdentifier.Builder builder = new ShardIdentifier.Builder();
+ ShardIdentifier shardId = builder.shardName("default").memberName("member-1").type(shardMrgIDSuffix).build();
+ shardManager.tell(new ServerRemoved(shardId.toString()), getRef());
+
+ shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
+ }};
+
+ LOG.info("testServerRemovedShardActorNotRunning ending");
+ }
+
+ @Test
+ public void testServerRemovedShardActorRunning() throws Exception {
+ LOG.info("testServerRemovedShardActorRunning starting");
+ new JavaTestKit(getSystem()) {{
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).
+ put("people", Arrays.asList("member-1", "member-2")).build());
+
+ String shardId = ShardIdentifier.builder().shardName("default").memberName("member-1").
+ type(shardMrgIDSuffix).build().toString();
+ TestActorRef<MessageCollectorActor> shard = actorFactory.createTestActor(
+ MessageCollectorActor.props(), shardId);
+
+ TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
+ newTestShardMgrBuilder(mockConfig).addShardActor("default", shard).props());
+
+ watch(shard);
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), shard);
+
+ waitForShardInitialized(shardManager, "people", this);
+ waitForShardInitialized(shardManager, "default", this);
+
+ // Removed the default shard replica from member-1
+ shardManager.tell(new ServerRemoved(shardId), getRef());
+
+ shardManager.underlyingActor().verifySnapshotPersisted(Sets.newHashSet("people"));
+
+ expectMsgClass(duration("5 seconds"), Terminated.class);
+ }};
+
+ LOG.info("testServerRemovedShardActorRunning ending");