Examples with NodeOptions org.apache.ignite.raft.jraft.option.NodeOptions used on opensource projects

Example 16 with NodeOptions

use of org.apache.ignite.raft.jraft.option.NodeOptions in project ignite-3 by apache.

the class ItNodeTest method testNoSnapshot.

@Test
public void testNoSnapshot() throws Exception {
    Endpoint addr = new Endpoint(TestUtils.getLocalAddress(), TestUtils.INIT_PORT);
    NodeOptions nodeOptions = createNodeOptions();
    MockStateMachine fsm = new MockStateMachine(addr);
    nodeOptions.setFsm(fsm);
    nodeOptions.setLogUri(dataPath + File.separator + "log");
    nodeOptions.setRaftMetaUri(dataPath + File.separator + "meta");
    nodeOptions.setInitialConf(new Configuration(Collections.singletonList(new PeerId(addr, 0))));
    RaftGroupService service = createService("unittest", new PeerId(addr, 0), nodeOptions);
    Node node = service.start();
    // wait node elect self as leader
    Thread.sleep(2000);
    sendTestTaskAndWait(node);
    assertEquals(0, fsm.getSaveSnapshotTimes());
    // do snapshot but returns error
    CountDownLatch latch = new CountDownLatch(1);
    node.snapshot(new ExpectClosure(RaftError.EINVAL, "Snapshot is not supported", latch));
    waitLatch(latch);
    assertEquals(0, fsm.getSaveSnapshotTimes());
}

Example 17 with NodeOptions

use of org.apache.ignite.raft.jraft.option.NodeOptions in project ignite-3 by apache.

the class ItNodeTest method testSingleNode.

@Test
public void testSingleNode() throws Exception {
    Endpoint addr = new Endpoint(TestUtils.getLocalAddress(), TestUtils.INIT_PORT);
    PeerId peer = new PeerId(addr, 0);
    NodeOptions nodeOptions = createNodeOptions();
    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", peer, nodeOptions);
    Node node = service.start();
    assertEquals(1, node.listPeers().size());
    assertTrue(node.listPeers().contains(peer));
    while (!node.isLeader()) ;
    sendTestTaskAndWait(node);
    assertEquals(10, fsm.getLogs().size());
    int i = 0;
    for (ByteBuffer data : fsm.getLogs()) {
        assertEquals("hello" + i++, stringFromBytes(data.array()));
    }
}

Example 18 with NodeOptions

use of org.apache.ignite.raft.jraft.option.NodeOptions in project ignite-3 by apache.

the class ItNodeTest method testRollbackStateMachineWithReadIndex_Issue317.

/**
 * Test rollback stateMachine with readIndex for issue 317: https://github.com/sofastack/sofa-jraft/issues/317
 */
@Test
public void testRollbackStateMachineWithReadIndex_Issue317() throws Exception {
    Endpoint addr = new Endpoint(TestUtils.getLocalAddress(), TestUtils.INIT_PORT);
    PeerId peer = new PeerId(addr, 0);
    NodeOptions nodeOptions = createNodeOptions();
    CountDownLatch applyCompleteLatch = new CountDownLatch(1);
    CountDownLatch applyLatch = new CountDownLatch(1);
    CountDownLatch readIndexLatch = new CountDownLatch(1);
    AtomicInteger currentValue = new AtomicInteger(-1);
    String errorMsg = testInfo.getDisplayName();
    StateMachine fsm = new StateMachineAdapter() {

        @Override
        public void onApply(Iterator iter) {
            // Notify that the #onApply is preparing to go.
            readIndexLatch.countDown();
            // Wait for submitting a read-index request
            try {
                applyLatch.await();
            } catch (InterruptedException e) {
                fail();
            }
            int i = 0;
            while (iter.hasNext()) {
                byte[] data = iter.next().array();
                int v = Bits.getInt(data, 0);
                assertEquals(i++, v);
                currentValue.set(v);
            }
            if (i > 0) {
                // rollback
                currentValue.set(i - 1);
                iter.setErrorAndRollback(1, new Status(-1, errorMsg));
                applyCompleteLatch.countDown();
            }
        }
    };
    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", peer, nodeOptions);
    Node node = service.start();
    assertEquals(1, node.listPeers().size());
    assertTrue(node.listPeers().contains(peer));
    while (!node.isLeader()) ;
    int n = 5;
    {
        // apply tasks
        for (int i = 0; i < n; i++) {
            byte[] b = new byte[4];
            Bits.putInt(b, 0, i);
            node.apply(new Task(ByteBuffer.wrap(b), null));
        }
    }
    AtomicInteger readIndexSuccesses = new AtomicInteger(0);
    {
        // Submit a read-index, wait for #onApply
        readIndexLatch.await();
        CountDownLatch latch = new CountDownLatch(1);
        node.readIndex(null, new ReadIndexClosure() {

            @Override
            public void run(Status status, long index, byte[] reqCtx) {
                try {
                    if (status.isOk())
                        readIndexSuccesses.incrementAndGet();
                    else {
                        assertTrue(status.getErrorMsg().contains(errorMsg) || status.getRaftError() == RaftError.ETIMEDOUT || status.getErrorMsg().contains("Invalid state for readIndex: STATE_ERROR"), "Unexpected status: " + status);
                    }
                } finally {
                    latch.countDown();
                }
            }
        });
        // We have already submit a read-index request,
        // notify #onApply can go right now
        applyLatch.countDown();
        // The state machine is in error state, the node should step down.
        waitForCondition(() -> !node.isLeader(), 5_000);
        latch.await();
        applyCompleteLatch.await();
    }
    // No read-index request succeed.
    assertEquals(0, readIndexSuccesses.get());
    assertTrue(n - 1 >= currentValue.get());
}

Example 19 with NodeOptions

use of org.apache.ignite.raft.jraft.option.NodeOptions in project ignite-3 by apache.

the class ItNodeTest method testInitShutdown.

@Test
public void testInitShutdown() {
    Endpoint addr = new Endpoint(TestUtils.getLocalAddress(), TestUtils.INIT_PORT);
    NodeOptions nodeOptions = createNodeOptions();
    nodeOptions.setFsm(new MockStateMachine(addr));
    nodeOptions.setLogUri(dataPath + File.separator + "log");
    nodeOptions.setRaftMetaUri(dataPath + File.separator + "meta");
    nodeOptions.setSnapshotUri(dataPath + File.separator + "snapshot");
    RaftGroupService service = createService("unittest", new PeerId(addr, 0), nodeOptions);
    service.start();
}

Example 20 with NodeOptions

use of org.apache.ignite.raft.jraft.option.NodeOptions in project ignite-3 by apache.

the class ItNodeTest method testSingleNodeWithLearner.

@Test
public void testSingleNodeWithLearner() throws Exception {
    Endpoint addr = new Endpoint(TestUtils.getLocalAddress(), TestUtils.INIT_PORT);
    PeerId peer = new PeerId(addr, 0);
    Endpoint learnerAddr = new Endpoint(TestUtils.getLocalAddress(), TestUtils.INIT_PORT + 1);
    PeerId learnerPeer = new PeerId(learnerAddr, 0);
    final int cnt = 10;
    MockStateMachine learnerFsm;
    RaftGroupService learnerServer;
    {
        // Start learner
        NodeOptions nodeOptions = createNodeOptions();
        learnerFsm = new MockStateMachine(learnerAddr);
        nodeOptions.setFsm(learnerFsm);
        nodeOptions.setLogUri(dataPath + File.separator + "log1");
        nodeOptions.setRaftMetaUri(dataPath + File.separator + "meta1");
        nodeOptions.setSnapshotUri(dataPath + File.separator + "snapshot1");
        nodeOptions.setInitialConf(new Configuration(Collections.singletonList(peer), Collections.singletonList(learnerPeer)));
        learnerServer = createService("unittest", new PeerId(learnerAddr, 0), nodeOptions);
        learnerServer.start();
    }
    {
        // Start leader
        NodeOptions nodeOptions = createNodeOptions();
        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), Collections.singletonList(learnerPeer)));
        RaftGroupService server = createService("unittest", new PeerId(addr, 0), nodeOptions);
        Node node = server.start();
        assertEquals(1, node.listPeers().size());
        assertTrue(node.listPeers().contains(peer));
        assertTrue(waitForCondition(() -> node.isLeader(), 1_000));
        sendTestTaskAndWait(node, cnt);
        assertEquals(cnt, fsm.getLogs().size());
        int i = 0;
        for (ByteBuffer data : fsm.getLogs()) assertEquals("hello" + i++, stringFromBytes(data.array()));
        // wait for entries to be replicated to learner.
        Thread.sleep(1000);
        server.shutdown();
    }
    {
        // assert learner fsm
        assertEquals(cnt, learnerFsm.getLogs().size());
        int i = 0;
        for (ByteBuffer data : learnerFsm.getLogs()) assertEquals("hello" + i++, stringFromBytes(data.array()));
        learnerServer.shutdown();
    }
}