Examples with DefaultVariableNameExpansion org.opennms.features.ifttt.helper.DefaultVariableNameExpansion used on opensource projects

Example 1 with DefaultVariableNameExpansion

use of org.opennms.features.ifttt.helper.DefaultVariableNameExpansion in project opennms by OpenNMS.

the class IfTttDaemon method startPoller.

/**
 * Initializes and starts the alarm poller.
 *
 * @param pollInterval the poller interval to be used
 */
private void startPoller(final long pollInterval) {
    LOG.debug("Starting alarm poller (interval {}s).", pollInterval);
    m_alarmPoller = Executors.newScheduledThreadPool(1);
    m_alarmPoller.scheduleWithFixedDelay(new Runnable() {

        private Map<Boolean, Map<String, Integer>> oldAlarmCount = new HashMap<>();

        private Map<Boolean, Map<String, OnmsSeverity>> oldSeverity = new HashMap<>();

        {
            oldAlarmCount.put(Boolean.TRUE, new HashMap<>());
            oldAlarmCount.put(Boolean.FALSE, new HashMap<>());
            oldSeverity.put(Boolean.TRUE, new HashMap<>());
            oldSeverity.put(Boolean.FALSE, new HashMap<>());
        }

        private List<OnmsAlarm> filterAlarms(List<OnmsAlarm> alarms, TriggerPackage triggerPackage) {
            if (triggerPackage.getOnlyUnacknowledged()) {
                return alarms.stream().filter(alarm -> alarm.getNodeId() != null).filter(alarm -> !alarm.isAcknowledged()).filter(alarm -> Strings.isNullOrEmpty(triggerPackage.getCategoryFilter()) || alarm.getNode().getCategories().stream().anyMatch(category -> category.getName().matches(triggerPackage.getCategoryFilter()))).collect(Collectors.toList());
            } else {
                return alarms.stream().filter(alarm -> alarm.getNodeId() != null).filter(alarm -> Strings.isNullOrEmpty(triggerPackage.getCategoryFilter()) || alarm.getNode().getCategories().stream().anyMatch(category -> category.getName().matches(triggerPackage.getCategoryFilter()))).collect(Collectors.toList());
            }
        }

        @Override
        public void run() {
            try {
                final IfTttConfig ifTttConfig = m_fileReloadContainer.getObject();
                if (ifTttConfig.getPollInterval() != pollInterval) {
                    restartPoller(ifTttConfig.getPollInterval());
                    return;
                }
                if (!ifTttConfig.getEnabled()) {
                    LOG.debug("Disabled - skipping alarm polling.");
                    return;
                }
                transactionOperations.execute(new TransactionCallbackWithoutResult() {

                    @Override
                    protected void doInTransactionWithoutResult(TransactionStatus status) {
                        // Retrieve the alarms with an associated node and filter for matching categories.
                        final CriteriaBuilder criteriaBuilder = new CriteriaBuilder(OnmsAlarm.class).isNotNull("node").gt("severity", OnmsSeverity.NORMAL);
                        final List<OnmsAlarm> alarms = alarmDao.findMatching(criteriaBuilder.toCriteria());
                        for (final TriggerPackage triggerPackage : ifTttConfig.getTriggerPackages()) {
                            if (!oldSeverity.get(triggerPackage.getOnlyUnacknowledged()).containsKey(triggerPackage.getCategoryFilter())) {
                                oldSeverity.get(triggerPackage.getOnlyUnacknowledged()).put(triggerPackage.getCategoryFilter(), OnmsSeverity.INDETERMINATE);
                                oldAlarmCount.get(triggerPackage.getOnlyUnacknowledged()).put(triggerPackage.getCategoryFilter(), 0);
                            }
                            final List<OnmsAlarm> filteredAlarms = filterAlarms(alarms, triggerPackage);
                            // Compute the maximum severity.
                            final Optional<OnmsSeverity> maxAlarmsSeverity = filteredAlarms.stream().map(OnmsAlarm::getSeverity).max(Comparator.naturalOrder());
                            final OnmsSeverity newSeverity = maxAlarmsSeverity.orElse(OnmsSeverity.NORMAL);
                            final int newAlarmCount = filteredAlarms.size();
                            LOG.debug("Received {} filtered, {} new severity", newAlarmCount, newSeverity);
                            final DefaultVariableNameExpansion defaultVariableNameExpansion = new DefaultVariableNameExpansion(oldSeverity.get(triggerPackage.getOnlyUnacknowledged()).get(triggerPackage.getCategoryFilter()), newSeverity, oldAlarmCount.get(triggerPackage.getOnlyUnacknowledged()).get(triggerPackage.getCategoryFilter()), newAlarmCount);
                            if (!newSeverity.equals(oldSeverity.get(triggerPackage.getOnlyUnacknowledged()).get(triggerPackage.getCategoryFilter())) || newAlarmCount != oldAlarmCount.get(triggerPackage.getOnlyUnacknowledged()).get(triggerPackage.getCategoryFilter())) {
                                fireIfTttTriggerSet(ifTttConfig, triggerPackage.getCategoryFilter(), newSeverity, defaultVariableNameExpansion);
                            }
                            LOG.debug("Old severity: {}, new severity: {}, old alarm count: {}, new alarm count: {}", oldSeverity.get(triggerPackage.getOnlyUnacknowledged()).get(triggerPackage.getCategoryFilter()), newSeverity, oldAlarmCount.get(triggerPackage.getOnlyUnacknowledged()).get(triggerPackage.getCategoryFilter()), newAlarmCount);
                            oldSeverity.get(triggerPackage.getOnlyUnacknowledged()).put(triggerPackage.getCategoryFilter(), newSeverity);
                            oldAlarmCount.get(triggerPackage.getOnlyUnacknowledged()).put(triggerPackage.getCategoryFilter(), newAlarmCount);
                        }
                    }
                });
            } catch (Exception e) {
                LOG.error("Error while polling alarm table.", e);
            } finally {
                LOG.debug("Run complete. Next poll in {}s.", pollInterval);
            }
        }
    }, pollInterval, pollInterval, TimeUnit.SECONDS);
}