+ @Test
+ public void testLeaderEntityOwnersReassignedAfterShutdown() throws Exception {
+ followerDatastoreContextBuilder.shardElectionTimeoutFactor(5)
+ .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName());
+
+ String name = "testLeaderEntityOwnersReassignedAfterShutdown";
+ MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(leaderDatastoreContextBuilder).build();
+
+ MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
+
+ leaderDistributedDataStore.waitTillReady();
+ follower1Node.configDataStore().waitTillReady();
+ follower2Node.configDataStore().waitTillReady();
+
+ final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
+ final DOMEntityOwnershipService follower1EntityOwnershipService =
+ newOwnershipService(follower1Node.configDataStore());
+ final DOMEntityOwnershipService follower2EntityOwnershipService =
+ newOwnershipService(follower2Node.configDataStore());
+
+ leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+
+ // Register follower1 candidate for entity1 and verify it becomes owner
+
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
+
+ // Register leader candidate for entity1
+
+ leaderEntityOwnershipService.registerCandidate(ENTITY1);
+ verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-2", "member-1");
+ verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
+
+ // Register leader candidate for entity2 and verify it becomes owner
+
+ leaderEntityOwnershipService.registerCandidate(ENTITY2);
+ verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
+
+ // Register follower2 candidate for entity2
+
+ follower2EntityOwnershipService.registerCandidate(ENTITY2);
+ verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-1", "member-3");
+ verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
+
+ // Shutdown the leader and verify its removed from the candidate list
+
+ leaderNode.cleanup();
+ follower1Node.waitForMemberDown("member-1");
+
+ // Re-enable elections on follower1 so it becomes the leader
+
+ ActorRef follower1Shard = IntegrationTestKit.findLocalShard(follower1Node.configDataStore().getActorContext(),
+ ENTITY_OWNERSHIP_SHARD_NAME);
+ follower1Shard.tell(DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build())
+ .customRaftPolicyImplementation(null).build(), ActorRef.noSender());
+
+ MemberNode.verifyRaftState(follower1Node.configDataStore(), ENTITY_OWNERSHIP_SHARD_NAME,
+ raftState -> assertEquals("Raft state", RaftState.Leader.toString(), raftState.getRaftState()));
+
+ // Verify the prior leader's entity owners are re-assigned.
+
+ verifyCandidates(follower1Node.configDataStore(), ENTITY1, "member-2", "member-1");
+ verifyCandidates(follower1Node.configDataStore(), ENTITY2, "member-1", "member-3");
+ verifyOwner(follower1Node.configDataStore(), ENTITY1, "member-2");
+ verifyOwner(follower1Node.configDataStore(), ENTITY2, "member-3");
+ }
+
+ @Test
+ public void testLeaderAndFollowerEntityOwnersReassignedAfterShutdown() throws Exception {
+ followerDatastoreContextBuilder.shardElectionTimeoutFactor(5)
+ .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName());
+
+ String name = "testLeaderAndFollowerEntityOwnersReassignedAfterShutdown";
+ final MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1")
+ .useAkkaArtery(false).testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(SCHEMA_CONTEXT)
+ .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
+
+ final MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2")
+ .useAkkaArtery(false).testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(SCHEMA_CONTEXT)
+ .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ final MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3")
+ .useAkkaArtery(false).testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(SCHEMA_CONTEXT)
+ .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ final MemberNode follower3Node = MemberNode.builder(memberNodes).akkaConfig("Member4")
+ .useAkkaArtery(false).testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(SCHEMA_CONTEXT)
+ .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ final MemberNode follower4Node = MemberNode.builder(memberNodes).akkaConfig("Member5")
+ .useAkkaArtery(false).testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(SCHEMA_CONTEXT)
+ .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
+
+ leaderDistributedDataStore.waitTillReady();
+ follower1Node.configDataStore().waitTillReady();
+ follower2Node.configDataStore().waitTillReady();
+
+ final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
+ final DOMEntityOwnershipService follower1EntityOwnershipService =
+ newOwnershipService(follower1Node.configDataStore());
+ final DOMEntityOwnershipService follower2EntityOwnershipService =
+ newOwnershipService(follower2Node.configDataStore());
+ final DOMEntityOwnershipService follower3EntityOwnershipService =
+ newOwnershipService(follower3Node.configDataStore());
+ newOwnershipService(follower4Node.configDataStore());
+
+ leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+
+ // Register follower1 candidate for entity1 and verify it becomes owner
+
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
+
+ // Register leader candidate for entity1
+
+ leaderEntityOwnershipService.registerCandidate(ENTITY1);
+ verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-2", "member-1");
+ verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
+
+ // Register leader candidate for entity2 and verify it becomes owner
+
+ leaderEntityOwnershipService.registerCandidate(ENTITY2);
+ verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
+
+ // Register follower2 candidate for entity2
+
+ follower2EntityOwnershipService.registerCandidate(ENTITY2);
+ verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-1", "member-3");
+ verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
+
+ // Register follower3 as a candidate for entity2 as well
+
+ follower3EntityOwnershipService.registerCandidate(ENTITY2);
+ verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-1", "member-3", "member-4");
+ verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
+
+ // Shutdown the leader and follower3
+
+ leaderNode.cleanup();
+ follower3Node.cleanup();
+
+ follower1Node.waitForMemberDown("member-1");
+ follower1Node.waitForMemberDown("member-4");
+
+ // Re-enable elections on follower1 so it becomes the leader
+
+ ActorRef follower1Shard = IntegrationTestKit.findLocalShard(follower1Node.configDataStore().getActorContext(),
+ ENTITY_OWNERSHIP_SHARD_NAME);
+ follower1Shard.tell(DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build())
+ .customRaftPolicyImplementation(null).build(), ActorRef.noSender());
+
+ MemberNode.verifyRaftState(follower1Node.configDataStore(), ENTITY_OWNERSHIP_SHARD_NAME,
+ raftState -> assertEquals("Raft state", RaftState.Leader.toString(), raftState.getRaftState()));
+
+ // Verify the prior leader's and follower3 entity owners are re-assigned.
+
+ verifyCandidates(follower1Node.configDataStore(), ENTITY1, "member-2", "member-1");
+ verifyCandidates(follower1Node.configDataStore(), ENTITY2, "member-1", "member-3", "member-4");
+ verifyOwner(follower1Node.configDataStore(), ENTITY1, "member-2");
+ verifyOwner(follower1Node.configDataStore(), ENTITY2, "member-3");
+ }
+
+ /**
+ * Reproduces bug <a href="https://bugs.opendaylight.org/show_bug.cgi?id=4554">4554</a>.
+ */
+ @Test
+ public void testCloseCandidateRegistrationInQuickSuccession() throws Exception {
+ String name = "testCloseCandidateRegistrationInQuickSuccession";
+ MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(leaderDatastoreContextBuilder).build();
+
+ MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
+
+ leaderDistributedDataStore.waitTillReady();
+ follower1Node.configDataStore().waitTillReady();
+ follower2Node.configDataStore().waitTillReady();
+
+ final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
+ final DOMEntityOwnershipService follower1EntityOwnershipService =
+ newOwnershipService(follower1Node.configDataStore());
+ final DOMEntityOwnershipService follower2EntityOwnershipService =
+ newOwnershipService(follower2Node.configDataStore());
+
+ leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+
+ leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
+ follower1EntityOwnershipService.registerListener(ENTITY_TYPE1, follower1MockListener);
+ follower2EntityOwnershipService.registerListener(ENTITY_TYPE1, follower2MockListener);
+
+ final DOMEntityOwnershipCandidateRegistration candidate1 =
+ leaderEntityOwnershipService.registerCandidate(ENTITY1);
+ verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, true, true));
+
+ final DOMEntityOwnershipCandidateRegistration candidate2 =
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
+
+ final DOMEntityOwnershipCandidateRegistration candidate3 =
+ follower2EntityOwnershipService.registerCandidate(ENTITY1);
+ verify(follower2MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
+
+ Mockito.reset(leaderMockListener, follower1MockListener, follower2MockListener);
+
+ ArgumentCaptor<DOMEntityOwnershipChange> leaderChangeCaptor =
+ ArgumentCaptor.forClass(DOMEntityOwnershipChange.class);
+ ArgumentCaptor<DOMEntityOwnershipChange> follower1ChangeCaptor =
+ ArgumentCaptor.forClass(DOMEntityOwnershipChange.class);
+ ArgumentCaptor<DOMEntityOwnershipChange> follower2ChangeCaptor =
+ ArgumentCaptor.forClass(DOMEntityOwnershipChange.class);
+ doNothing().when(leaderMockListener).ownershipChanged(leaderChangeCaptor.capture());
+ doNothing().when(follower1MockListener).ownershipChanged(follower1ChangeCaptor.capture());
+ doNothing().when(follower2MockListener).ownershipChanged(follower2ChangeCaptor.capture());
+
+ candidate1.close();
+ candidate2.close();
+ candidate3.close();
+
+ boolean passed = false;
+ for (int i = 0; i < 100; i++) {
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ final Optional<EntityOwnershipState> leaderState = leaderEntityOwnershipService.getOwnershipState(ENTITY1);
+ final Optional<EntityOwnershipState> follower1State =
+ follower1EntityOwnershipService.getOwnershipState(ENTITY1);
+ final Optional<EntityOwnershipState> follower2State =
+ follower2EntityOwnershipService.getOwnershipState(ENTITY1);
+ final Optional<DOMEntityOwnershipChange> leaderChange = getValueSafely(leaderChangeCaptor);
+ final Optional<DOMEntityOwnershipChange> follower1Change = getValueSafely(follower1ChangeCaptor);
+ final Optional<DOMEntityOwnershipChange> follower2Change = getValueSafely(follower2ChangeCaptor);
+ if (!leaderState.isPresent() || leaderState.get() == EntityOwnershipState.NO_OWNER
+ && follower1State.isPresent() && follower1State.get() == EntityOwnershipState.NO_OWNER
+ && follower2State.isPresent() && follower2State.get() == EntityOwnershipState.NO_OWNER
+ && leaderChange.isPresent() && !leaderChange.get().getState().hasOwner()
+ && follower1Change.isPresent() && !follower1Change.get().getState().hasOwner()
+ && follower2Change.isPresent() && !follower2Change.get().getState().hasOwner()) {
+ passed = true;
+ break;
+ }
+ }
+
+ assertTrue("No ownership change message was sent with hasOwner=false", passed);
+ }
+
+ private static Optional<DOMEntityOwnershipChange> getValueSafely(ArgumentCaptor<DOMEntityOwnershipChange> captor) {
+ try {
+ return Optional.fromNullable(captor.getValue());
+ } catch (MockitoException e) {
+ // No value was captured
+ return Optional.absent();
+ }
+ }
+
+ /**
+ * Tests bootstrapping the entity-ownership shard when there's no shards initially configured for local
+ * member. The entity-ownership shard is initially created as inactive (ie remains a follower), requiring
+ * an AddShardReplica request to join it to an existing leader.
+ */
+ @Test
+ public void testEntityOwnershipShardBootstrapping() throws Exception {
+ String name = "testEntityOwnershipShardBootstrapping";
+ String moduleShardsConfig = MODULE_SHARDS_MEMBER_1_CONFIG;
+ MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
+ .moduleShardsConfig(moduleShardsConfig).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(leaderDatastoreContextBuilder).build();
+
+ AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
+ final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
+
+ leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+
+ MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
+ .moduleShardsConfig(moduleShardsConfig).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ AbstractDataStore follower1DistributedDataStore = follower1Node.configDataStore();
+ follower1DistributedDataStore.waitTillReady();
+
+ leaderNode.waitForMembersUp("member-2");
+ follower1Node.waitForMembersUp("member-1");
+
+ DOMEntityOwnershipService follower1EntityOwnershipService = newOwnershipService(follower1DistributedDataStore);
+
+ leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
+
+ // Register a candidate for follower1 - should get queued since follower1 has no leader
+ final DOMEntityOwnershipCandidateRegistration candidateReg =
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ Uninterruptibles.sleepUninterruptibly(300, TimeUnit.MILLISECONDS);
+ verify(leaderMockListener, never()).ownershipChanged(ownershipChange(ENTITY1));
+
+ // Add replica in follower1
+ AddShardReplica addReplica = new AddShardReplica(ENTITY_OWNERSHIP_SHARD_NAME);
+ follower1DistributedDataStore.getActorContext().getShardManager().tell(addReplica,
+ follower1Node.kit().getRef());
+ Object reply = follower1Node.kit().expectMsgAnyClassOf(JavaTestKit.duration("5 sec"),
+ Success.class, Failure.class);
+ if (reply instanceof Failure) {
+ throw new AssertionError("AddShardReplica failed", ((Failure)reply).cause());
+ }
+
+ // The queued candidate registration should proceed
+ verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
+ reset(leaderMockListener);
+
+ candidateReg.close();
+ verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, false));
+ reset(leaderMockListener);
+
+ // Restart follower1 and verify the entity ownership shard is re-instated by registering.
+ Cluster.get(leaderNode.kit().getSystem()).down(Cluster.get(follower1Node.kit().getSystem()).selfAddress());
+ follower1Node.cleanup();
+
+ follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
+ .moduleShardsConfig(moduleShardsConfig).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+ follower1EntityOwnershipService = newOwnershipService(follower1Node.configDataStore());
+
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ verify(leaderMockListener, timeout(20000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
+
+ verifyRaftState(follower1Node.configDataStore(), ENTITY_OWNERSHIP_SHARD_NAME, raftState -> {
+ assertNull("Custom RaftPolicy class name", raftState.getCustomRaftPolicyClassName());
+ assertEquals("Peer count", 1, raftState.getPeerAddresses().keySet().size());
+ assertThat("Peer Id", Iterables.<String>getLast(raftState.getPeerAddresses().keySet()),
+ org.hamcrest.CoreMatchers.containsString("member-1"));
+ });
+ }
+
+ @Test
+ public void testOwnerSelectedOnRapidUnregisteringAndRegisteringOfCandidates() throws Exception {
+ String name = "testOwnerSelectedOnRapidUnregisteringAndRegisteringOfCandidates";
+ MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(leaderDatastoreContextBuilder).build();
+
+ MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
+
+ leaderDistributedDataStore.waitTillReady();
+ follower1Node.configDataStore().waitTillReady();
+ follower2Node.configDataStore().waitTillReady();
+
+ final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
+ final DOMEntityOwnershipService follower1EntityOwnershipService =
+ newOwnershipService(follower1Node.configDataStore());
+ newOwnershipService(follower2Node.configDataStore());
+
+ leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+
+ // Register leader candidate for entity1 and verify it becomes owner
+
+ DOMEntityOwnershipCandidateRegistration leaderEntity1Reg =
+ leaderEntityOwnershipService.registerCandidate(ENTITY1);
+
+ verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-1");
+ verifyOwner(leaderDistributedDataStore, ENTITY1, "member-1");
+
+ leaderEntity1Reg.close();
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+
+ verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-2");
+ verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
+ }
+
+ @Test
+ public void testOwnerSelectedOnRapidRegisteringAndUnregisteringOfCandidates() throws Exception {
+ String name = "testOwnerSelectedOnRapidRegisteringAndUnregisteringOfCandidates";
+ MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(leaderDatastoreContextBuilder).build();
+
+ MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
+ .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(SCHEMA_CONTEXT).createOperDatastore(false)
+ .datastoreContextBuilder(followerDatastoreContextBuilder).build();
+
+ AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
+
+ leaderDistributedDataStore.waitTillReady();
+ follower1Node.configDataStore().waitTillReady();
+ follower2Node.configDataStore().waitTillReady();
+
+ final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
+ final DOMEntityOwnershipService follower1EntityOwnershipService =
+ newOwnershipService(follower1Node.configDataStore());
+ newOwnershipService(follower2Node.configDataStore());
+
+ leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorContext(), ENTITY_OWNERSHIP_SHARD_NAME);
+
+ // Register leader candidate for entity1 and verify it becomes owner
+
+ final DOMEntityOwnershipCandidateRegistration leaderEntity1Reg =
+ leaderEntityOwnershipService.registerCandidate(ENTITY1);
+
+ verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-1");
+ verifyOwner(leaderDistributedDataStore, ENTITY1, "member-1");
+
+ follower1EntityOwnershipService.registerCandidate(ENTITY1);
+ leaderEntity1Reg.close();
+
+ verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-2");
+ verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
+ }
+
+ private static void verifyGetOwnershipState(final DOMEntityOwnershipService service, final DOMEntity entity,
+ final EntityOwnershipState expState) {