org.graylog2.alerts.AlertNotificationsSender Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.alerts;
import org.graylog2.alarmcallbacks.AlarmCallbackConfiguration;
import org.graylog2.alarmcallbacks.AlarmCallbackConfigurationService;
import org.graylog2.alarmcallbacks.AlarmCallbackFactory;
import org.graylog2.alarmcallbacks.AlarmCallbackHistory;
import org.graylog2.alarmcallbacks.AlarmCallbackHistoryService;
import org.graylog2.plugin.alarms.AlertCondition;
import org.graylog2.plugin.alarms.callbacks.AlarmCallback;
import org.graylog2.plugin.streams.Stream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import java.util.List;
public class AlertNotificationsSender {
private static final Logger LOG = LoggerFactory.getLogger(AlertNotificationsSender.class);
private final AlarmCallbackConfigurationService alarmCallbackConfigurationService;
private final AlarmCallbackFactory alarmCallbackFactory;
private final AlarmCallbackHistoryService alarmCallbackHistoryService;
@Inject
public AlertNotificationsSender(AlarmCallbackConfigurationService alarmCallbackConfigurationService,
AlarmCallbackFactory alarmCallbackFactory,
AlarmCallbackHistoryService alarmCallbackHistoryService) {
this.alarmCallbackConfigurationService = alarmCallbackConfigurationService;
this.alarmCallbackFactory = alarmCallbackFactory;
this.alarmCallbackHistoryService = alarmCallbackHistoryService;
}
public void send(AlertCondition.CheckResult result, Stream stream, Alert alert, AlertCondition alertCondition) {
final List callConfigurations = alarmCallbackConfigurationService.getForStream(stream);
// Checking if alarm callbacks have been defined
for (AlarmCallbackConfiguration configuration : callConfigurations) {
AlarmCallbackHistory alarmCallbackHistory;
AlarmCallback alarmCallback = null;
try {
alarmCallback = alarmCallbackFactory.create(configuration);
alarmCallback.call(stream, result);
alarmCallbackHistory = alarmCallbackHistoryService.success(configuration, alert, alertCondition);
} catch (Exception e) {
if (alarmCallback != null) {
LOG.warn("Alarm callback <" + alarmCallback.getName() + "> failed. Skipping.", e);
} else {
LOG.warn("Alarm callback with id " + configuration.getId() + " failed. Skipping.", e);
}
alarmCallbackHistory = alarmCallbackHistoryService.error(configuration, alert, alertCondition, e.getMessage());
}
try {
alarmCallbackHistoryService.save(alarmCallbackHistory);
} catch (Exception e) {
LOG.warn("Unable to save history of alarm callback run: ", e);
}
}
}
}