Examples with Cluster org.graylog2.indexer.cluster.Cluster used on opensource projects

Example 16 with Cluster

use of org.graylog2.indexer.cluster.Cluster in project graylog2-server by Graylog2.

the class NodePingThread method doRun.

@Override
public void doRun() {
    final boolean isMaster = serverStatus.hasCapability(ServerStatus.Capability.MASTER);
    try {
        Node node = nodeService.byNodeId(serverStatus.getNodeId());
        nodeService.markAsAlive(node, isMaster, configuration.getRestTransportUri());
    } catch (NodeNotFoundException e) {
        LOG.warn("Did not find meta info of this node. Re-registering.");
        nodeService.registerServer(serverStatus.getNodeId().toString(), isMaster, configuration.getRestTransportUri(), Tools.getLocalCanonicalHostname());
    }
    try {
        // Remove old nodes that are no longer running. (Just some housekeeping)
        nodeService.dropOutdated();
        // Check that we still have a master node in the cluster, if not, warn the user.
        if (nodeService.isAnyMasterPresent()) {
            Notification notification = notificationService.build().addType(Notification.Type.NO_MASTER);
            boolean removedNotification = notificationService.fixed(notification);
            if (removedNotification) {
                activityWriter.write(new Activity("Notification condition [" + NotificationImpl.Type.NO_MASTER + "] " + "has been fixed.", NodePingThread.class));
            }
        } else {
            Notification notification = notificationService.buildNow().addNode(serverStatus.getNodeId().toString()).addType(Notification.Type.NO_MASTER).addSeverity(Notification.Severity.URGENT);
            notificationService.publishIfFirst(notification);
        }
    } catch (Exception e) {
        LOG.warn("Caught exception during node ping.", e);
    }
}

Example 17 with Cluster

use of org.graylog2.indexer.cluster.Cluster in project graylog2-server by Graylog2.

the class IndexRotationThreadTest method testPerformRotation.

@Test
public void testPerformRotation() throws NoTargetIndexException {
    final Provider<RotationStrategy> provider = new RotationStrategyProvider() {

        @Override
        public void doRotate(IndexSet indexSet) {
            indexSet.cycle();
        }
    };
    final IndexRotationThread rotationThread = new IndexRotationThread(notificationService, indices, indexSetRegistry, cluster, new NullActivityWriter(), nodeId, ImmutableMap.<String, Provider<RotationStrategy>>builder().put("strategy", provider).build());
    when(indexSetConfig.rotationStrategyClass()).thenReturn("strategy");
    rotationThread.checkForRotation(indexSet);
    verify(indexSet, times(1)).cycle();
}

Example 18 with Cluster

use of org.graylog2.indexer.cluster.Cluster in project graylog2-server by Graylog2.

the class IndexRotationThreadTest method testDoNotPerformRotationIfClusterIsDown.

@Test
public void testDoNotPerformRotationIfClusterIsDown() throws NoTargetIndexException {
    final Provider<RotationStrategy> provider = spy(new RotationStrategyProvider());
    when(cluster.isConnected()).thenReturn(false);
    final IndexRotationThread rotationThread = new IndexRotationThread(notificationService, indices, indexSetRegistry, cluster, new NullActivityWriter(), nodeId, ImmutableMap.<String, Provider<RotationStrategy>>builder().put("strategy", provider).build());
    rotationThread.doRun();
    verify(indexSet, never()).cycle();
    verify(provider, never()).get();
}

Example 19 with Cluster

use of org.graylog2.indexer.cluster.Cluster in project graylog2-server by Graylog2.

the class ClusterEventBusProvider method get.

@Override
public ClusterEventBus get() {
    final ClusterEventBus eventBus = new ClusterEventBus("cluster-eventbus", executorService(asyncEventbusProcessors));
    eventBus.registerClusterEventSubscriber(new DeadEventLoggingListener());
    return eventBus;
}

Example 20 with Cluster

use of org.graylog2.indexer.cluster.Cluster in project graylog2-server by Graylog2.

the class Server method startNodeRegistration.

@Override
protected void startNodeRegistration(Injector injector) {
    // Register this node.
    final NodeService nodeService = injector.getInstance(NodeService.class);
    final ServerStatus serverStatus = injector.getInstance(ServerStatus.class);
    final ActivityWriter activityWriter = injector.getInstance(ActivityWriter.class);
    nodeService.registerServer(serverStatus.getNodeId().toString(), configuration.isMaster(), configuration.getRestTransportUri(), Tools.getLocalCanonicalHostname());
    serverStatus.setLocalMode(isLocal());
    if (configuration.isMaster() && !nodeService.isOnlyMaster(serverStatus.getNodeId())) {
        LOG.warn("Detected another master in the cluster. Retrying in {} seconds to make sure it is not " + "an old stale instance.", TimeUnit.MILLISECONDS.toSeconds(configuration.getStaleMasterTimeout()));
        try {
            Thread.sleep(configuration.getStaleMasterTimeout());
        } catch (InterruptedException e) {
        /* nope */
        }
        if (!nodeService.isOnlyMaster(serverStatus.getNodeId())) {
            // All devils here.
            String what = "Detected other master node in the cluster! Starting as non-master! " + "This is a mis-configuration you should fix.";
            LOG.warn(what);
            activityWriter.write(new Activity(what, Server.class));
            // Write a notification.
            final NotificationService notificationService = injector.getInstance(NotificationService.class);
            Notification notification = notificationService.buildNow().addType(Notification.Type.MULTI_MASTER).addSeverity(Notification.Severity.URGENT);
            notificationService.publishIfFirst(notification);
            configuration.setIsMaster(false);
        } else {
            LOG.warn("Stale master has gone. Starting as master.");
        }
    }
}