Examples with RoleChangeNotification org.opendaylight.controller.cluster.notifications.RoleChangeNotification used on opensource projects

Example 1 with RoleChangeNotification

use of org.opendaylight.controller.cluster.notifications.RoleChangeNotification in project controller by opendaylight.

the class ExampleRoleChangeListener method handleReceive.

@Override
protected void handleReceive(Object message) throws Exception {
    if (message instanceof RegisterListener) {
        // called by the scheduler at intervals to register any unregistered notifiers
        sendRegistrationRequests();
    } else if (message instanceof RegisterRoleChangeListenerReply) {
        // called by the Notifier
        handleRegisterRoleChangeListenerReply(getSender().path().toString());
    } else if (message instanceof RoleChangeNotification) {
        // called by the Notifier
        RoleChangeNotification notification = (RoleChangeNotification) message;
        LOG.info("Role Change Notification received for member:{}, old role:{}, new role:{}", notification.getMemberId(), notification.getOldRole(), notification.getNewRole());
    // the apps dependent on such notifications can be called here
    // TODO: add implementation here
    }
}

Example 2 with RoleChangeNotification

use of org.opendaylight.controller.cluster.notifications.RoleChangeNotification in project controller by opendaylight.

the class ShardManagerTest method testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady.

@Test
public void testRoleChangeNotificationToFollowerWithShardLeaderStateChangedReleaseReady() throws Exception {
    new TestKit(getSystem()) {

        {
            TestShardManager shardManager = newTestShardManager();
            String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
            shardManager.onReceiveCommand(new RoleChangeNotification(memberId, null, RaftState.Follower.name()));
            verify(ready, never()).countDown();
            shardManager.onReceiveCommand(MockClusterWrapper.createMemberUp("member-2", getRef().path().toString()));
            shardManager.onReceiveCommand(new ShardLeaderStateChanged(memberId, "member-2-shard-default-" + shardMrgIDSuffix, mock(DataTree.class), DataStoreVersions.CURRENT_VERSION));
            verify(ready, times(1)).countDown();
        }
    };
}

Example 3 with RoleChangeNotification

use of org.opendaylight.controller.cluster.notifications.RoleChangeNotification in project controller by opendaylight.

the class ShardManagerTest method testRemoveShardReplicaRemote.

@Test
public void testRemoveShardReplicaRemote() throws Exception {
    MockConfiguration mockConfig = new MockConfiguration(ImmutableMap.<String, List<String>>builder().put("default", Arrays.asList("member-1", "member-2")).put("astronauts", Arrays.asList("member-1")).build());
    String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
    // Create an ActorSystem ShardManager actor for member-1.
    final ActorSystem system1 = newActorSystem("Member1");
    Cluster.get(system1).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
    ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
    final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1, newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(new ClusterWrapperImpl(system1)).props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
    // Create an ActorSystem ShardManager actor for member-2.
    final ActorSystem system2 = newActorSystem("Member2");
    Cluster.get(system2).join(AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558"));
    String name = ShardIdentifier.create("default", MEMBER_2, shardMrgIDSuffix).toString();
    String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
    final TestActorRef<MockRespondActor> mockShardLeaderActor = TestActorRef.create(system2, Props.create(MockRespondActor.class, RemoveServer.class, new RemoveServerReply(ServerChangeStatus.OK, memberId2)), name);
    LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
    final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2, newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(new ClusterWrapperImpl(system2)).props().withDispatcher(Dispatchers.DefaultDispatcherId()), shardManagerID);
    // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
    // akka://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
    // However when a shard manager has a local shard which is a follower and a leader that is remote it will
    // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
    // look like so,
    // akka://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
    // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
    // with the address of an actor which does not exist, therefore any message sent to that actor would go to
    // dead letters.
    // To work around this problem we create a ForwardingActor with the right address and pass to it the
    // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
    // thing works as expected
    final ActorRef actorRef = leaderShardManager.underlyingActor().context().actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
    LOG.error("Forwarding actor : {}", actorRef);
    new TestKit(system1) {

        {
            newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
            leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
            leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
            newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
            short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
            leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2, mock(DataTree.class), leaderVersion), mockShardLeaderActor);
            leaderShardManager.tell(new RoleChangeNotification(memberId2, RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
            String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
            newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2, mock(DataTree.class), leaderVersion), mockShardActor);
            newReplicaShardManager.tell(new RoleChangeNotification(memberId1, RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
            newReplicaShardManager.underlyingActor().waitForMemberUp();
            leaderShardManager.underlyingActor().waitForMemberUp();
            // construct a mock response message
            newReplicaShardManager.tell(new RemoveShardReplica("default", MEMBER_1), getRef());
            RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor, RemoveServer.class);
            String removeServerId = ShardIdentifier.create("default", MEMBER_1, shardMrgIDSuffix).toString();
            assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
            expectMsgClass(duration("5 seconds"), Status.Success.class);
        }
    };
}

Example 4 with RoleChangeNotification

use of org.opendaylight.controller.cluster.notifications.RoleChangeNotification in project controller by opendaylight.

the class ShardManagerTest method testWhenShardIsLeaderSyncStatusIsTrue.

@Test
public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception {
    TestShardManager shardManager = newTestShardManager();
    shardManager.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix, RaftState.Follower.name(), RaftState.Leader.name()));
    assertEquals(true, shardManager.getMBean().getSyncStatus());
}

Example 5 with RoleChangeNotification

use of org.opendaylight.controller.cluster.notifications.RoleChangeNotification in project controller by opendaylight.

the class ShardManagerTest method testOnReceiveFindPrimaryWaitForReadyWithCandidateShard.

@Test
public void testOnReceiveFindPrimaryWaitForReadyWithCandidateShard() throws Exception {
    LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard starting");
    new TestKit(getSystem()) {

        {
            final ActorRef shardManager = actorFactory.createActor(newPropsShardMgrWithMockShardActor());
            shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
            shardManager.tell(new ActorInitialized(), mockShardActor);
            shardManager.tell(new RoleChangeNotification("member-1-shard-default-" + shardMrgIDSuffix, null, RaftState.Candidate.name()), mockShardActor);
            shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
            expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
        }
    };
    LOG.info("testOnReceiveFindPrimaryWaitForReadyWithCandidateShard ending");
}