| // 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.vm; |
| |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.inject.Inject; |
| |
| import com.cloud.server.ManagementService; |
| import com.cloud.utils.fsm.StateMachine2; |
| import com.cloud.vm.dao.UserVmDao; |
| import org.apache.log4j.Logger; |
| import org.springframework.beans.factory.NoSuchBeanDefinitionException; |
| |
| import org.apache.cloudstack.framework.config.dao.ConfigurationDao; |
| import org.apache.cloudstack.framework.events.EventBus; |
| |
| import com.cloud.configuration.Config; |
| import com.cloud.event.EventCategory; |
| import com.cloud.event.EventTypes; |
| import com.cloud.event.UsageEventUtils; |
| import com.cloud.event.dao.UsageEventDao; |
| import com.cloud.network.dao.NetworkDao; |
| import com.cloud.network.dao.NetworkVO; |
| import com.cloud.service.dao.ServiceOfferingDao; |
| import com.cloud.utils.component.ComponentContext; |
| import com.cloud.utils.fsm.StateListener; |
| import com.cloud.vm.VirtualMachine.Event; |
| import com.cloud.vm.VirtualMachine.State; |
| import com.cloud.vm.dao.NicDao; |
| |
| public class UserVmStateListener implements StateListener<State, VirtualMachine.Event, VirtualMachine> { |
| |
| @Inject protected UsageEventDao _usageEventDao; |
| @Inject protected NetworkDao _networkDao; |
| @Inject protected NicDao _nicDao; |
| @Inject protected ServiceOfferingDao _offeringDao; |
| @Inject protected UserVmDao _userVmDao; |
| @Inject protected UserVmManager _userVmMgr; |
| @Inject protected ConfigurationDao _configDao; |
| private static final Logger s_logger = Logger.getLogger(UserVmStateListener.class); |
| |
| protected static EventBus s_eventBus = null; |
| |
| public UserVmStateListener(UsageEventDao usageEventDao, NetworkDao networkDao, NicDao nicDao, ServiceOfferingDao offeringDao, UserVmDao userVmDao, UserVmManager userVmMgr, |
| ConfigurationDao configDao) { |
| this._usageEventDao = usageEventDao; |
| this._networkDao = networkDao; |
| this._nicDao = nicDao; |
| this._offeringDao = offeringDao; |
| this._userVmDao = userVmDao; |
| this._userVmMgr = userVmMgr; |
| this._configDao = configDao; |
| } |
| |
| @Override |
| public boolean preStateTransitionEvent(State oldState, Event event, State newState, VirtualMachine vo, boolean status, Object opaque) { |
| pubishOnEventBus(event.name(), "preStateTransitionEvent", vo, oldState, newState); |
| return true; |
| } |
| |
| @Override |
| public boolean postStateTransitionEvent(StateMachine2.Transition<State, Event> transition, VirtualMachine vo, boolean status, Object opaque) { |
| if (!status) { |
| return false; |
| } |
| Event event = transition.getEvent(); |
| State oldState = transition.getCurrentState(); |
| State newState = transition.getToState(); |
| pubishOnEventBus(event.name(), "postStateTransitionEvent", vo, oldState, newState); |
| |
| if (vo.getType() != VirtualMachine.Type.User) { |
| return true; |
| } |
| |
| if(transition.isImpacted(StateMachine2.Transition.Impact.USAGE)) { |
| if (oldState == State.Destroyed && newState == State.Stopped) { |
| generateUsageEvent(vo.getServiceOfferingId(), vo, EventTypes.EVENT_VM_CREATE); |
| } else if (newState == State.Running) { |
| generateUsageEvent(vo.getServiceOfferingId(), vo, EventTypes.EVENT_VM_START); |
| } else if (newState == State.Stopped) { |
| generateUsageEvent(vo.getServiceOfferingId(), vo, EventTypes.EVENT_VM_STOP); |
| List<NicVO> nics = _nicDao.listByVmId(vo.getId()); |
| for (NicVO nic : nics) { |
| NetworkVO network = _networkDao.findById(nic.getNetworkId()); |
| UsageEventUtils.publishUsageEvent(EventTypes.EVENT_NETWORK_OFFERING_REMOVE, vo.getAccountId(), vo.getDataCenterId(), vo.getId(), |
| Long.toString(nic.getId()), network.getNetworkOfferingId(), null, 0L, vo.getClass().getName(), vo.getUuid(), vo.isDisplay()); |
| } |
| } else if (newState == State.Destroyed || newState == State.Error || newState == State.Expunging) { |
| generateUsageEvent(vo.getServiceOfferingId(), vo, EventTypes.EVENT_VM_DESTROY); |
| } |
| } |
| return true; |
| } |
| |
| private void generateUsageEvent(Long serviceOfferingId, VirtualMachine vm, String eventType){ |
| boolean displayVm = true; |
| if(vm.getType() == VirtualMachine.Type.User){ |
| UserVmVO uservm = _userVmDao.findById(vm.getId()); |
| displayVm = uservm.isDisplayVm(); |
| } |
| |
| _userVmMgr.generateUsageEvent(vm, displayVm, eventType); |
| } |
| |
| private void pubishOnEventBus(String event, String status, VirtualMachine vo, VirtualMachine.State oldState, VirtualMachine.State newState) { |
| |
| String configKey = Config.PublishResourceStateEvent.key(); |
| String value = _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 |
| } |
| |
| String resourceName = getEntityFromClassName(VirtualMachine.class.getName()); |
| org.apache.cloudstack.framework.events.Event eventMsg = |
| new org.apache.cloudstack.framework.events.Event(ManagementService.Name, EventCategory.RESOURCE_STATE_CHANGE_EVENT.getName(), event, resourceName, |
| vo.getUuid()); |
| Map<String, String> eventDescription = new HashMap<String, String>(); |
| eventDescription.put("resource", resourceName); |
| eventDescription.put("id", vo.getUuid()); |
| eventDescription.put("old-state", oldState.name()); |
| eventDescription.put("new-state", newState.name()); |
| eventDescription.put("status", status); |
| |
| String eventDate = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z").format(new Date()); |
| eventDescription.put("eventDateTime", eventDate); |
| |
| eventMsg.setDescription(eventDescription); |
| try { |
| s_eventBus.publish(eventMsg); |
| } catch (org.apache.cloudstack.framework.events.EventBusException e) { |
| s_logger.warn("Failed to publish state change event on the event bus."); |
| } |
| |
| } |
| |
| private String getEntityFromClassName(String entityClassName) { |
| int index = entityClassName.lastIndexOf("."); |
| String entityName = entityClassName; |
| if (index != -1) { |
| entityName = entityClassName.substring(index + 1); |
| } |
| return entityName; |
| } |
| } |