Examples with Activity org.graylog2.shared.system.activities.Activity used on opensource projects

Example 16 with Activity

use of org.graylog2.shared.system.activities.Activity in project graylog2-server by Graylog2.

the class IndexRotationThread method checkAndRepair.

protected void checkAndRepair(IndexSet indexSet) {
    if (!indexSet.isUp()) {
        if (indices.exists(indexSet.getWriteIndexAlias())) {
            // Publish a notification if there is an *index* called graylog2_deflector
            Notification notification = notificationService.buildNow().addType(Notification.Type.DEFLECTOR_EXISTS_AS_INDEX).addSeverity(Notification.Severity.URGENT);
            final boolean published = notificationService.publishIfFirst(notification);
            if (published) {
                LOG.warn("There is an index called [" + indexSet.getWriteIndexAlias() + "]. Cannot fix this automatically and published a notification.");
            }
        } else {
            indexSet.setUp();
        }
    } else {
        try {
            String currentTarget;
            try {
                currentTarget = indexSet.getActiveWriteIndex();
            } catch (TooManyAliasesException e) {
                // If we get this exception, there are multiple indices which have the deflector alias set.
                // We try to cleanup the alias and try again. This should not happen, but might under certain
                // circumstances.
                indexSet.cleanupAliases(e.getIndices());
                try {
                    currentTarget = indexSet.getActiveWriteIndex();
                } catch (TooManyAliasesException e1) {
                    throw new IllegalStateException(e1);
                }
            }
            String shouldBeTarget = indexSet.getNewestIndex();
            if (!shouldBeTarget.equals(currentTarget)) {
                String msg = "Deflector is pointing to [" + currentTarget + "], not the newest one: [" + shouldBeTarget + "]. Re-pointing.";
                LOG.warn(msg);
                activityWriter.write(new Activity(msg, IndexRotationThread.class));
                if (ClusterHealthStatus.RED == indices.waitForRecovery(shouldBeTarget)) {
                    LOG.error("New target index for deflector didn't get healthy within timeout. Skipping deflector update.");
                } else {
                    indexSet.pointTo(shouldBeTarget, currentTarget);
                }
            }
        } catch (NoTargetIndexException e) {
            LOG.warn("Deflector is not up. Not trying to point to another index.");
        }
    }
}

Example 17 with Activity

use of org.graylog2.shared.system.activities.Activity 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 18 with Activity

use of org.graylog2.shared.system.activities.Activity in project graylog2-server by Graylog2.

the class GracefulShutdown method doRun.

private void doRun(boolean exit) {
    LOG.info("Graceful shutdown initiated.");
    serverStatus.shutdown();
    // Give possible load balancers time to recognize state change. State is DEAD because of HALTING.
    LOG.info("Node status: [{}]. Waiting <{}sec> for possible load balancers to recognize state change.", serverStatus.getLifecycle(), configuration.getLoadBalancerRecognitionPeriodSeconds());
    Uninterruptibles.sleepUninterruptibly(configuration.getLoadBalancerRecognitionPeriodSeconds(), TimeUnit.SECONDS);
    activityWriter.write(new Activity("Graceful shutdown initiated.", GracefulShutdown.class));
    /*
         * Wait a second to give for example the calling REST call some time to respond
         * to the client. Using a latch or something here might be a bit over-engineered.
         */
    Uninterruptibles.sleepUninterruptibly(SLEEP_SECS, TimeUnit.SECONDS);
    // Stop REST API service to avoid changes from outside.
    jerseyService.stopAsync();
    // stop all inputs so no new messages can come in
    inputSetupService.stopAsync();
    jerseyService.awaitTerminated();
    inputSetupService.awaitTerminated();
    journalReader.stopAsync().awaitTerminated();
    // Try to flush all remaining messages from the system
    bufferSynchronizerService.stopAsync().awaitTerminated();
    // stop all maintenance tasks
    periodicalsService.stopAsync().awaitTerminated();
    auditEventSender.success(AuditActor.system(serverStatus.getNodeId()), NODE_SHUTDOWN_COMPLETE);
    // Shut down hard with no shutdown hooks running.
    LOG.info("Goodbye.");
    if (exit) {
        System.exit(0);
    }
}

Example 19 with Activity

use of org.graylog2.shared.system.activities.Activity 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.");
        }
    }
}

Example 20 with Activity

use of org.graylog2.shared.system.activities.Activity in project graylog2-server by Graylog2.

the class ExtractorsResource method update.

@PUT
@Timed
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "Update an extractor")
@Path("/{extractorId}")
@ApiResponses(value = { @ApiResponse(code = 404, message = "No such input on this node."), @ApiResponse(code = 404, message = "No such extractor on this input."), @ApiResponse(code = 400, message = "No such extractor type."), @ApiResponse(code = 400, message = "Field the extractor should write on is reserved."), @ApiResponse(code = 400, message = "Missing or invalid configuration.") })
@AuditEvent(type = AuditEventTypes.EXTRACTOR_UPDATE)
public ExtractorSummary update(@ApiParam(name = "inputId", required = true) @PathParam("inputId") String inputId, @ApiParam(name = "extractorId", required = true) @PathParam("extractorId") String extractorId, @ApiParam(name = "JSON body", required = true) @Valid @NotNull CreateExtractorRequest cer) throws NotFoundException {
    checkPermission(RestPermissions.INPUTS_EDIT, inputId);
    final Input mongoInput = inputService.find(inputId);
    final Extractor originalExtractor = inputService.getExtractor(mongoInput, extractorId);
    final Extractor extractor = buildExtractorFromRequest(cer, originalExtractor.getId());
    inputService.removeExtractor(mongoInput, originalExtractor.getId());
    try {
        inputService.addExtractor(mongoInput, extractor);
    } catch (ValidationException e) {
        LOG.error("Extractor persist validation failed.", e);
        throw new BadRequestException(e);
    }
    final String msg = "Updated extractor <" + originalExtractor.getId() + "> of type [" + cer.extractorType() + "] in input <" + inputId + ">.";
    LOG.info(msg);
    activityWriter.write(new Activity(msg, ExtractorsResource.class));
    return toSummary(extractor);
}