Examples with Notification org.graylog2.notifications.Notification used on opensource projects

Example 46 with Notification

use of org.graylog2.notifications.Notification in project graylog2-server by Graylog2.

the class NotificationFacadeTest method exportEntity.

@Test
@MongoDBFixtures("NotificationFacadeTest.json")
public void exportEntity() {
    final ModelId id = ModelId.of("5d4d33753d27460ad18e0c4d");
    final EntityDescriptor descriptor = EntityDescriptor.create(id, ModelTypes.NOTIFICATION_V1);
    final EntityDescriptorIds entityDescriptorIds = EntityDescriptorIds.of(descriptor);
    final Optional<Entity> entity = facade.exportEntity(descriptor, entityDescriptorIds);
    assertThat(entity).isPresent();
    final EntityV1 entityV1 = (EntityV1) entity.get();
    final NotificationEntity notificationEntity = objectMapper.convertValue(entityV1.data(), NotificationEntity.class);
    assertThat(notificationEntity.title().asString()).isEqualTo("title");
    assertThat(notificationEntity.description().asString()).isEqualTo("description");
    assertThat(notificationEntity.config().type()).isEqualTo("email-notification-v1");
}

Example 47 with Notification

use of org.graylog2.notifications.Notification in project graylog2-server by Graylog2.

the class EmailSender method sendEmails.

// TODO: move EmailRecipients class to events code
void sendEmails(EmailEventNotificationConfig notificationConfig, EventNotificationContext ctx, ImmutableList<MessageSummary> backlog) throws TransportConfigurationException, EmailException, ConfigurationError {
    if (!emailFactory.isEmailTransportEnabled()) {
        throw new TransportConfigurationException("Email transport is not enabled in server configuration file!");
    }
    final EmailRecipients emailRecipients = emailRecipientsFactory.create(new ArrayList<>(notificationConfig.userRecipients()), new ArrayList<>(notificationConfig.emailRecipients()));
    if (emailRecipients.isEmpty()) {
        LOG.debug("Cannot send emails: empty recipient list.");
        return;
    }
    final Set<String> recipientsSet = emailRecipients.getEmailRecipients();
    if (recipientsSet.size() == 0) {
        final Notification notification = notificationService.buildNow().addNode(nodeId.toString()).addType(Notification.Type.GENERIC).addSeverity(Notification.Severity.NORMAL).addDetail("title", "No recipients have been defined!").addDetail("description", "To fix this, go to the notification configuration and add at least one alert recipient.");
        notificationService.publishIfFirst(notification);
    }
    final Map<String, Object> model = getModel(ctx, backlog, notificationConfig.timeZone());
    for (String email : recipientsSet) {
        sendEmail(notificationConfig, email, model);
    }
}

Example 48 with Notification

use of org.graylog2.notifications.Notification in project graylog2-server by Graylog2.

the class EventBacklogService method getMessagesForEvent.

public ImmutableList<MessageSummary> getMessagesForEvent(EventDto eventDto, long backlogSize) throws NotFoundException {
    if (backlogSize <= 0) {
        return ImmutableList.of();
    }
    final EventProcessor.Factory factory = eventProcessorFactories.get(eventDto.eventDefinitionType());
    if (factory == null) {
        throw new NotFoundException("Couldn't find event processor factory for type " + eventDto.eventDefinitionType());
    }
    final EventDefinition eventDefinition = eventDefinitionService.get(eventDto.eventDefinitionId()).orElseThrow(() -> new NotFoundException("Could not find event definintion <" + eventDto.eventDefinitionId() + ">"));
    final EventProcessor eventProcessor = factory.create(eventDefinition);
    final ImmutableList.Builder<MessageSummary> backlogBuilder = ImmutableList.builder();
    try {
        eventProcessor.sourceMessagesForEvent(Event.fromDto(eventDto), backlogBuilder::addAll, backlogSize);
    } catch (EventProcessorException e) {
        // TODO return this error, so it can be included in the notification message?
        LOG.error("Failed to query backlog messages for Event {}", eventDto.id(), e);
    }
    return backlogBuilder.build();
}

Example 49 with Notification

use of org.graylog2.notifications.Notification in project graylog2-server by Graylog2.

the class EventNotificationHandler method handleEvents.

public void handleEvents(EventDefinition definition, List<EventWithContext> eventsWithContext) {
    for (Config config : definition.notifications()) {
        final Optional<JobDefinitionDto> jobDefinition = jobDefinitionService.getByConfigField(Config.FIELD_NOTIFICATION_ID, config.notificationId());
        if (!jobDefinition.isPresent()) {
            LOG.error("Couldn't find job definition for notification <{}>", config.notificationId());
            continue;
        }
        final Optional<NotificationDto> notificationDto = notificationService.get(config.notificationId());
        if (!notificationDto.isPresent()) {
            LOG.error("Couldn't find notification definition for id <{}>", config.notificationId());
            continue;
        }
        final EventNotificationConfig notificationConfig = notificationDto.get().config();
        for (EventWithContext eventWithContext : eventsWithContext) {
            final Event event = eventWithContext.event();
            if (notificationGracePeriodService.inGracePeriod(definition, config.notificationId(), event)) {
                continue;
            }
            try {
                final JobTriggerDto trigger = jobTriggerService.create(JobTriggerDto.builder().jobDefinitionId(jobDefinition.get().id()).schedule(OnceJobSchedule.create()).data(notificationConfig.toJobTriggerData(event.toDto())).build());
                LOG.debug("Scheduled job <{}> for notification <{}> - event <{}/{}>", trigger.id(), config.notificationId(), event.getId(), event.getMessage());
            // TODO: The trigger ID needs to be added to the "triggered_tasks" list of the event
            } catch (Exception e) {
                LOG.error("Couldn't create job trigger for notification <{}> and event: {}", config.notificationId(), event, e);
            }
        }
    }
}

Example 50 with Notification

use of org.graylog2.notifications.Notification in project graylog2-server by Graylog2.

the class HTTPEventNotification method execute.

@Override
public void execute(EventNotificationContext ctx) throws TemporaryEventNotificationException, PermanentEventNotificationException {
    final HTTPEventNotificationConfig config = (HTTPEventNotificationConfig) ctx.notificationConfig();
    final HttpUrl httpUrl = HttpUrl.parse(config.url());
    if (httpUrl == null) {
        throw new TemporaryEventNotificationException("Malformed URL: <" + config.url() + "> in notification <" + ctx.notificationId() + ">");
    }
    ImmutableList<MessageSummary> backlog = notificationCallbackService.getBacklogForEvent(ctx);
    final EventNotificationModelData model = EventNotificationModelData.of(ctx, backlog);
    if (!whitelistService.isWhitelisted(config.url())) {
        if (!NotificationTestData.TEST_NOTIFICATION_ID.equals(ctx.notificationId())) {
            publishSystemNotificationForWhitelistFailure(config.url(), model.eventDefinitionTitle());
        }
        throw new TemporaryEventNotificationException("URL <" + config.url() + "> is not whitelisted.");
    }
    final byte[] body;
    try {
        body = objectMapper.writeValueAsBytes(model);
    } catch (JsonProcessingException e) {
        throw new PermanentEventNotificationException("Unable to serialize notification", e);
    }
    final Request request = new Request.Builder().url(httpUrl).post(RequestBody.create(CONTENT_TYPE, body)).build();
    LOG.debug("Requesting HTTP endpoint at <{}> in notification <{}>", config.url(), ctx.notificationId());
    try (final Response r = httpClient.newCall(request).execute()) {
        if (!r.isSuccessful()) {
            throw new PermanentEventNotificationException("Expected successful HTTP response [2xx] but got [" + r.code() + "]. " + config.url());
        }
    } catch (IOException e) {
        throw new PermanentEventNotificationException(e.getMessage());
    }
}