| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| package com.cloud.event; |
| |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.annotation.PostConstruct; |
| import javax.inject.Inject; |
| |
| import org.apache.log4j.Logger; |
| import org.springframework.beans.factory.NoSuchBeanDefinitionException; |
| import org.springframework.stereotype.Component; |
| |
| import org.apache.cloudstack.framework.config.dao.ConfigurationDao; |
| import org.apache.cloudstack.framework.events.EventBus; |
| import org.apache.cloudstack.framework.events.EventBusException; |
| |
| import com.cloud.configuration.Config; |
| import com.cloud.dc.DataCenterVO; |
| import com.cloud.dc.HostPodVO; |
| import com.cloud.dc.dao.DataCenterDao; |
| import com.cloud.dc.dao.HostPodDao; |
| import com.cloud.server.ManagementService; |
| import com.cloud.utils.component.ComponentContext; |
| |
| @Component |
| public class AlertGenerator { |
| |
| private static final Logger s_logger = Logger.getLogger(AlertGenerator.class); |
| private static DataCenterDao s_dcDao; |
| private static HostPodDao s_podDao; |
| protected static EventBus s_eventBus = null; |
| protected static ConfigurationDao s_configDao; |
| |
| @Inject |
| DataCenterDao dcDao; |
| @Inject |
| HostPodDao podDao; |
| @Inject |
| ConfigurationDao configDao; |
| |
| public AlertGenerator() { |
| } |
| |
| @PostConstruct |
| void init() { |
| s_dcDao = dcDao; |
| s_podDao = podDao; |
| s_configDao = configDao; |
| } |
| |
| public static void publishAlertOnEventBus(String alertType, long dataCenterId, Long podId, String subject, String body) { |
| |
| String configKey = Config.PublishAlertEvent.key(); |
| String value = s_configDao.getValue(configKey); |
| boolean configValue = Boolean.parseBoolean(value); |
| if(!configValue) |
| return; |
| try { |
| s_eventBus = ComponentContext.getComponent(EventBus.class); |
| } catch (NoSuchBeanDefinitionException nbe) { |
| return; // no provider is configured to provide events bus, so just return |
| } |
| |
| org.apache.cloudstack.framework.events.Event event = |
| new org.apache.cloudstack.framework.events.Event(ManagementService.Name, EventCategory.ALERT_EVENT.getName(), alertType, null, null); |
| |
| Map<String, String> eventDescription = new HashMap<String, String>(); |
| DataCenterVO dc = s_dcDao.findById(dataCenterId); |
| HostPodVO pod = s_podDao.findById(podId); |
| |
| eventDescription.put("event", alertType); |
| if (dc != null) { |
| eventDescription.put("dataCenterId", dc.getUuid()); |
| } else { |
| eventDescription.put("dataCenterId", null); |
| } |
| if (pod != null) { |
| eventDescription.put("podId", pod.getUuid()); |
| } else { |
| eventDescription.put("podId", null); |
| } |
| eventDescription.put("subject", subject); |
| eventDescription.put("body", body); |
| |
| String eventDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z").format(new Date()); |
| eventDescription.put("eventDateTime", eventDate); |
| |
| event.setDescription(eventDescription); |
| |
| try { |
| s_eventBus.publish(event); |
| } catch (EventBusException e) { |
| s_logger.warn("Failed to publish alert on the event bus."); |
| } |
| } |
| } |