Examples with Configuration org.apache.ignite.raft.jraft.conf.Configuration used on opensource projects

Example 6 with Configuration

use of org.apache.ignite.raft.jraft.conf.Configuration in project ignite-3 by apache.

the class ItNodeTest method testNodeTaskOverload.

@Test
public void testNodeTaskOverload() throws Exception {
    Endpoint addr = new Endpoint(TestUtils.getLocalAddress(), TestUtils.INIT_PORT);
    PeerId peer = new PeerId(addr, 0);
    NodeOptions nodeOptions = createNodeOptions();
    RaftOptions raftOptions = new RaftOptions();
    raftOptions.setDisruptorBufferSize(2);
    nodeOptions.setRaftOptions(raftOptions);
    MockStateMachine fsm = new MockStateMachine(addr);
    nodeOptions.setFsm(fsm);
    nodeOptions.setLogUri(dataPath + File.separator + "log");
    nodeOptions.setRaftMetaUri(dataPath + File.separator + "meta");
    nodeOptions.setSnapshotUri(dataPath + File.separator + "snapshot");
    nodeOptions.setInitialConf(new Configuration(Collections.singletonList(peer)));
    RaftGroupService service = createService("unittest", new PeerId(addr, 0), nodeOptions);
    Node node = service.start();
    assertEquals(1, node.listPeers().size());
    assertTrue(node.listPeers().contains(peer));
    while (!node.isLeader()) ;
    List<Task> tasks = new ArrayList<>();
    AtomicInteger c = new AtomicInteger(0);
    for (int i = 0; i < 10; i++) {
        ByteBuffer data = ByteBuffer.wrap(("hello" + i).getBytes(UTF_8));
        int finalI = i;
        Task task = new Task(data, new JoinableClosure(status -> {
            LOG.info("{} i={}", status, finalI);
            if (!status.isOk()) {
                assertTrue(status.getRaftError() == RaftError.EBUSY || status.getRaftError() == RaftError.EPERM);
            }
            c.incrementAndGet();
        }));
        node.apply(task);
        tasks.add(task);
    }
    Task.joinAll(tasks, TimeUnit.SECONDS.toMillis(30));
    assertEquals(10, c.get());
}

Example 7 with Configuration

use of org.apache.ignite.raft.jraft.conf.Configuration in project ignite-3 by apache.

the class ItNodeTest method startChangePeersThread.

private Future<?> startChangePeersThread(ChangeArg arg) {
    Set<RaftError> expectedErrors = new HashSet<>();
    expectedErrors.add(RaftError.EBUSY);
    expectedErrors.add(RaftError.EPERM);
    expectedErrors.add(RaftError.ECATCHUP);
    ExecutorService executor = Executors.newSingleThreadExecutor();
    executors.add(executor);
    return Utils.runInThread(executor, () -> {
        try {
            while (!arg.stop) {
                arg.c.waitLeader();
                Node leader = arg.c.getLeader();
                if (leader == null)
                    continue;
                // select peers in random
                Configuration conf = new Configuration();
                if (arg.dontRemoveFirstPeer)
                    conf.addPeer(arg.peers.get(0));
                for (int i = 0; i < arg.peers.size(); i++) {
                    boolean select = ThreadLocalRandom.current().nextInt(64) < 32;
                    if (select && !conf.contains(arg.peers.get(i)))
                        conf.addPeer(arg.peers.get(i));
                }
                if (conf.isEmpty()) {
                    LOG.warn("No peer has been selected");
                    continue;
                }
                SynchronizedClosure done = new SynchronizedClosure();
                leader.changePeers(conf, done);
                done.await();
                assertTrue(done.getStatus().isOk() || expectedErrors.contains(done.getStatus().getRaftError()), done.getStatus().toString());
            }
        } catch (InterruptedException e) {
            LOG.error("ChangePeersThread is interrupted", e);
        }
    });
}

Example 8 with Configuration

use of org.apache.ignite.raft.jraft.conf.Configuration in project ignite-3 by apache.

the class NodeImpl method addLearners.

@Override
public void addLearners(final List<PeerId> learners, final Closure done) {
    checkPeers(learners);
    this.writeLock.lock();
    try {
        final Configuration newConf = new Configuration(this.conf.getConf());
        for (final PeerId peer : learners) {
            newConf.addLearner(peer);
        }
        unsafeRegisterConfChange(this.conf.getConf(), newConf, done);
    } finally {
        this.writeLock.unlock();
    }
}

Example 9 with Configuration

use of org.apache.ignite.raft.jraft.conf.Configuration in project ignite-3 by apache.

the class NodeImpl method checkDeadNodes.

/**
 * @param conf The configuration.
 * @param monotonicNowMs The timestamp.
 * @param stepDownOnCheckFail {@code True} to step down on check fail.
 * @return {@code True} if a majority of peers are alive.
 */
private boolean checkDeadNodes(final Configuration conf, final long monotonicNowMs, final boolean stepDownOnCheckFail) {
    // Check learner replicators at first.
    for (final PeerId peer : conf.getLearners()) {
        checkReplicator(peer);
    }
    // Ensure quorum nodes alive.
    final List<PeerId> peers = conf.listPeers();
    final Configuration deadNodes = new Configuration();
    if (checkDeadNodes0(peers, monotonicNowMs, true, deadNodes)) {
        return true;
    }
    if (stepDownOnCheckFail) {
        LOG.warn("Node {} steps down when alive nodes don't satisfy quorum, term={}, deadNodes={}, conf={}.", getNodeId(), this.currTerm, deadNodes, conf);
        final Status status = new Status();
        status.setError(RaftError.ERAFTTIMEDOUT, "Majority of the group dies: %d/%d", deadNodes.size(), peers.size());
        stepDown(this.currTerm, false, status);
    }
    return false;
}

Example 10 with Configuration

use of org.apache.ignite.raft.jraft.conf.Configuration in project ignite-3 by apache.

the class NodeImpl method removePeer.

@Override
public void removePeer(final PeerId peer, final Closure done) {
    Requires.requireNonNull(peer, "Null peer");
    this.writeLock.lock();
    try {
        Requires.requireTrue(this.conf.getConf().contains(peer), "Peer not found in current configuration");
        final Configuration newConf = new Configuration(this.conf.getConf());
        newConf.removePeer(peer);
        unsafeRegisterConfChange(this.conf.getConf(), newConf, done);
    } finally {
        this.writeLock.unlock();
    }
}