+ Shard.Builder shardBuilder = Shard.builder();
+
+ ModuleShardConfiguration config = new ModuleShardConfiguration(URI.create("foo-ns"), "foo-module",
+ "foo", null, Arrays.asList("member-1"));
+ shardManager.tell(new CreateShard(config, shardBuilder, null), getRef());
+
+ expectMsgClass(duration("5 seconds"), Success.class);
+
+ SchemaContext schemaContext = TestModel.createTestContext();
+ shardManager.tell(new UpdateSchemaContext(schemaContext), ActorRef.noSender());
+
+ shardManager.tell(new FindLocalShard("foo", true), getRef());
+
+ expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertSame("schemaContext", schemaContext, shardBuilder.getSchemaContext());
+ assertNotNull("schemaContext is null", shardBuilder.getDatastoreContext());
+ }};
+ }
+
+ @Test
+ public void testGetSnapshot() throws Throwable {
+ JavaTestKit kit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("shard1", Arrays.asList("member-1")).
+ put("shard2", Arrays.asList("member-1")).build());
+
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(mockConfig).withDispatcher(
+ Dispatchers.DefaultDispatcherId()));
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+ Failure failure = kit.expectMsgClass(Failure.class);
+ assertEquals("Failure cause type", IllegalStateException.class, failure.cause().getClass());
+
+ kit = new JavaTestKit(getSystem());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), ActorRef.noSender());
+
+ shardManager.tell(new FindLocalShard("shard1", true), kit.getRef());
+ kit.expectMsgClass(LocalShardFound.class);
+ shardManager.tell(new FindLocalShard("shard2", true), kit.getRef());
+ kit.expectMsgClass(LocalShardFound.class);
+
+ shardManager.tell(GetSnapshot.INSTANCE, kit.getRef());
+
+ DatastoreSnapshot datastoreSnapshot = kit.expectMsgClass(DatastoreSnapshot.class);
+
+ assertEquals("getType", shardMrgIDSuffix, datastoreSnapshot.getType());
+ List<ShardSnapshot> shardSnapshots = datastoreSnapshot.getShardSnapshots();
+ Set<String> actualShardNames = new HashSet<>();
+ for(ShardSnapshot s: shardSnapshots) {
+ actualShardNames.add(s.getName());
+ }
+
+ assertEquals("Shard names", Sets.newHashSet("shard1", "shard2"), actualShardNames);
+
+ shardManager.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }
+
+ @Test
+ public void testAddShardReplicaForNonExistentShardConfig() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef shardManager = getSystem().actorOf(newShardMgrProps(
+ new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
+
+ shardManager.tell(new AddShardReplica("model-inventory"), getRef());
+ Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
+
+ 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());
+
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+
+ // Create an ActorSystem ShardManager actor for member-1.
+ final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("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<ForwardingShardManager> newReplicaShardManager = TestActorRef.create(system1,
+ newPropsShardMgrWithMockShardActor("shardManager1", mockDefaultShardActor,
+ new ClusterWrapperImpl(system1), mockConfig), shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = ActorSystem.create("cluster-test",
+ ConfigFactory.load().getConfig("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<ForwardingShardManager> leaderShardManager = TestActorRef.create(system2,
+ newPropsShardMgrWithMockShardActor("shardManager2", mockShardLeaderActor,
+ new ClusterWrapperImpl(system2), mockConfig), 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();
+
+ //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());
+ newReplicaShardManager.underlyingActor()
+ .verifySnapshotPersisted(Sets.newHashSet("default", "astronauts"));
+ expectMsgClass(duration("5 seconds"), Status.Success.class);
+ }};
+
+ JavaTestKit.shutdownActorSystem(system1);
+ JavaTestKit.shutdownActorSystem(system2);
+ }
+
+ @Test
+ public void testAddShardReplicaWithPreExistingReplicaInRemoteShardLeader() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<ForwardingShardManager> shardManager = TestActorRef.create(getSystem(),
+ 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);
+
+ leaderShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
+ }};