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

Example 6 with RaftGroupService

use of org.apache.ignite.raft.jraft.RaftGroupService 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 7 with RaftGroupService

use of org.apache.ignite.raft.jraft.RaftGroupService 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 8 with RaftGroupService

use of org.apache.ignite.raft.jraft.RaftGroupService 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 9 with RaftGroupService

use of org.apache.ignite.raft.jraft.RaftGroupService 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 10 with RaftGroupService

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

the class ItNodeTest method waitForTopology.

/**
 * TODO asch get rid of waiting for topology IGNITE-14832
 *
 * @param cluster
 * @param addr
 * @param expected
 * @param timeout
 * @return
 */
private boolean waitForTopology(TestCluster cluster, Endpoint addr, int expected, long timeout) {
    RaftGroupService grp = cluster.getServer(addr);
    if (grp == null) {
        LOG.warn("Node has not been found {}", addr);
        return false;
    }
    RpcServer rpcServer = grp.getRpcServer();
    if (!(rpcServer instanceof IgniteRpcServer))
        return true;
    ClusterService service = ((IgniteRpcServer) grp.getRpcServer()).clusterService();
    long stop = System.currentTimeMillis() + timeout;
    while (System.currentTimeMillis() < stop) {
        if (service.topologyService().allMembers().size() >= expected)
            return true;
        try {
            Thread.sleep(50);
        } catch (InterruptedException e) {
            return false;
        }
    }
    return false;
}