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publish state change events on Network and VirtualMachine resource state

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changes
This commit is contained in:
Murali Reddy 2013-01-28 17:02:21 +05:30
parent 117bce8c55
commit 053b6bd636
3 changed files with 125 additions and 7 deletions
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6
plugins/event-bus/rabbitmq/src/org/apache/cloudstack/mom/rabbitmq/RabbitMQEventBus.java
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@ -161,8 +161,9 @@ public class RabbitMQEventBus implements EventBus {
String eventCategory = getEventCategoryFromRoutingKey(routingKey);
String eventType = getEventTypeFromRoutingKey(routingKey);
String resourceType = getResourceTypeFromRoutingKey(routingKey);
String resourceUUID = getResourceUUIDFromRoutingKey(routingKey);
Event event = new Event(eventSource, eventCategory, eventType,
resourceType, null);
resourceType, resourceUUID);
event.setDescription(new String(body));
// deliver the event to call back object provided by subscriber
@ -526,10 +527,11 @@ public class RabbitMQEventBus implements EventBus {
String eventCategory = getEventCategoryFromRoutingKey(routingKey);
String eventType = getEventTypeFromRoutingKey(routingKey);
String resourceType = getResourceTypeFromRoutingKey(routingKey);
String resourceUUID = getResourceUUIDFromRoutingKey(routingKey);
// create event object from the message details obtained from AMQP server
Event event = new Event(eventSource, eventCategory, eventType,
resourceType, null);
resourceType, resourceUUID);
event.setDescription(new String(body));
// deliver the event to call back object provided by subscriber

66
server/src/com/cloud/network/NetworkStateListener.java
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@ -1,31 +1,89 @@
package com.cloud.network;
import com.cloud.event.EventCategory;
import com.cloud.event.dao.UsageEventDao;
import com.cloud.network.Network.Event;
import com.cloud.network.Network.State;
import com.cloud.network.dao.NetworkDao;
import com.cloud.server.ManagementServer;
import com.cloud.utils.component.Adapters;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.fsm.StateListener;
import org.apache.cloudstack.framework.events.EventBus;
import org.apache.cloudstack.framework.events.EventBusException;
import org.apache.log4j.Logger;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
public class NetworkStateListener implements StateListener<State, Event, Network> {
protected UsageEventDao _usageEventDao;
protected NetworkDao _networkDao;
protected static EventBus _eventBus = null;
private static final Logger s_logger = Logger.getLogger(NetworkStateListener.class);
public NetworkStateListener(UsageEventDao usageEventDao, NetworkDao networkDao) {
this._usageEventDao = usageEventDao;
this._networkDao = networkDao;
initEventBusProvider();
}
@Override
public boolean preStateTransitionEvent(State oldState, Event event, State newState, Network vo, boolean status, Object opaque) {
// TODO Auto-generated method stub
return false;
pubishOnEventBus(event.name(), "preStateTransitionEvent", vo, oldState, newState);
return true;
}
@Override
public boolean postStateTransitionEvent(State oldState, Event event, State newState, Network vo, boolean status, Object opaque) {
// TODO Auto-generated method stub
return false;
pubishOnEventBus(event.name(), "postStateTransitionEvent", vo, oldState, newState);
return true;
}
private void pubishOnEventBus(String event, String status, Network vo, State oldState, State newState) {
if (_eventBus != null) {
String resourceName = getEntityFromClassName(Network.class.getName());
org.apache.cloudstack.framework.events.Event eventMsg = new org.apache.cloudstack.framework.events.Event(
ManagementServer.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());
eventMsg.setDescription(eventDescription);
try {
_eventBus.publish(eventMsg);
} catch (EventBusException e) {
s_logger.warn("Failed to publish action event on the 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;
}
private void initEventBusProvider() {
ComponentLocator locator = ComponentLocator.getLocator(ManagementServer.Name);
Adapters<EventBus> eventBusImpls = locator.getAdapters(EventBus.class);
if (eventBusImpls != null) {
Enumeration<EventBus> eventBusenum = eventBusImpls.enumeration();
if (eventBusenum != null && eventBusenum.hasMoreElements()) {
_eventBus = eventBusenum.nextElement();
}
}
}
}

58
server/src/com/cloud/vm/UserVmStateListener.java
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@ -16,32 +16,47 @@
// under the License.
package com.cloud.vm;
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.Network;
import com.cloud.network.NetworkVO;
import com.cloud.network.dao.NetworkDao;
import com.cloud.server.ManagementServer;
import com.cloud.utils.component.Adapters;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.fsm.StateListener;
import com.cloud.vm.VirtualMachine.Event;
import com.cloud.vm.VirtualMachine.State;
import com.cloud.vm.dao.NicDao;
import org.apache.cloudstack.framework.events.EventBus;
import org.apache.cloudstack.framework.events.EventBusException;
import org.apache.log4j.Logger;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class UserVmStateListener implements StateListener<State, VirtualMachine.Event, VirtualMachine> {
protected UsageEventDao _usageEventDao;
protected NetworkDao _networkDao;
protected NicDao _nicDao;
protected static EventBus _eventBus = null;
private static final Logger s_logger = Logger.getLogger(UserVmStateListener.class);
public UserVmStateListener(UsageEventDao usageEventDao, NetworkDao networkDao, NicDao nicDao) {
this._usageEventDao = usageEventDao;
this._networkDao = networkDao;
this._nicDao = nicDao;
initEventBusProvider();
}
@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;
}
@ -74,4 +89,47 @@ public class UserVmStateListener implements StateListener<State, VirtualMachine.
}
return true;
}
private void pubishOnEventBus(String event, String status, VirtualMachine vo, VirtualMachine.State oldState, VirtualMachine.State newState) {
if (_eventBus != null) {
String resourceName = getEntityFromClassName(Network.class.getName());
org.apache.cloudstack.framework.events.Event eventMsg = new org.apache.cloudstack.framework.events.Event(
ManagementServer.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());
eventMsg.setDescription(eventDescription);
try {
_eventBus.publish(eventMsg);
} catch (EventBusException e) {
s_logger.warn("Failed to publish action event on the 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;
}
private void initEventBusProvider() {
ComponentLocator locator = ComponentLocator.getLocator(ManagementServer.Name);
Adapters<EventBus> eventBusImpls = locator.getAdapters(EventBus.class);
if (eventBusImpls != null) {
Enumeration<EventBus> eventBusenum = eventBusImpls.enumeration();
if (eventBusenum != null && eventBusenum.hasMoreElements()) {
_eventBus = eventBusenum.nextElement();
}
}
}
}