/**
* This file is part of CloudML [ http://cloudml.org ]
*
* Copyright (C) 2012 - SINTEF ICT
* Contact: Franck Chauvel <franck.chauvel@sintef.no>
*
* Module: root
*
* CloudML is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* CloudML 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with CloudML. If not, see
* <http://www.gnu.org/licenses/>.
*/
package org.cloudml.monitoring.synchronization;
import org.cloudml.core.*;
import org.cloudml.core.collections.ComponentInstanceGroup;
import org.cloudml.core.collections.VMInstanceGroup;
import java.util.Collection;
import java.util.List;
import java.util.logging.Level;
/**
* @author Lorenzo Cianciaruso
*/
public class MonitoringSynch {
/**
* This method activates the transformation from CloudML's model to the Monitoring Platform's model
* and then send the current deployment to the MP
* @param monitoringAddress address of the monitoring platform
* @param currentDeployment current deployment model
*/
public static void sendCurrentDeployment(String monitoringAddress, Deployment currentDeployment){
Model model = Filter.fromCloudmlToModaMP(currentDeployment);
MonitoringAPI request = new MonitoringAPI(monitoringAddress);
request.uploadDeployment(model);
}
/**
* This method activates the transformation from CloudML's model to the Monitoring Platform's model
* and then send the added components to the MP
* @param monitoringAddress address of the monitoring platform
* @param addedECs added components
*/
public static void sendAddedComponents(String monitoringAddress, List<ExternalComponentInstance<? extends ExternalComponent>> addedECs,
List<InternalComponentInstance> addedICs) {
Model added = Filter.fromCloudmlToModaMP(addedECs, addedICs);
MonitoringAPI request = new MonitoringAPI(monitoringAddress);
request.addInstances(added);
}
/**
* This method activates the transformation from CloudML's model to the Monitoring Platform's model
* and then send the removed components to the MP
* @param monitoringAddress address of the monitoring platform
* @param removedECs removed components
* @return boolean, true if the models are synch, false if there is a mismatch
*/
public static boolean sendRemovedComponents(String monitoringAddress, Collection<ExternalComponentInstance<? extends ExternalComponent>> removedECs,
List<InternalComponentInstance> removedICs) {
MonitoringAPI request = new MonitoringAPI(monitoringAddress);
boolean modelMatching = true;
//this cycles send the delete request for each component removed
//to the monitoring manager. In case the connection terminates
//with a NOT FOUND error means that there is a mismatch between the
//two models. In this case the whole model should be resent.
ComponentInstanceGroup supportList = new ComponentInstanceGroup();
supportList.addAll(removedECs);
VMInstanceGroup removedVMs = supportList.onlyVMs();
for(int i = 0; i<removedICs.size() && modelMatching;i++){
int code = request.deleteInstances(removedICs.get(i).getName());
if(code == MonitoringAPI.CLIENT_ERROR_NOT_FOUND) {
modelMatching = false;
}
}
for(VMInstance vm : removedVMs){
if(modelMatching) {
int code = request.deleteInstances(vm.getName());
if (code == MonitoringAPI.CLIENT_ERROR_NOT_FOUND) {
modelMatching = false;
}
}
}
return modelMatching;
}
}