package org.cloudml.monitoring.synchronization;
/**
* 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/>.
*/
import it.polimi.modaclouds.qos_models.monitoring_ontology.CloudProvider;
import it.polimi.modaclouds.qos_models.monitoring_ontology.Location;
import it.polimi.modaclouds.qos_models.monitoring_ontology.VM;
import it.polimi.modaclouds.qos_models.monitoring_ontology.InternalComponent;
import org.cloudml.core.*;
import org.cloudml.core.Provider;
import org.cloudml.core.collections.ComponentInstanceGroup;
import org.cloudml.core.collections.InternalComponentInstanceGroup;
import org.cloudml.core.collections.ProviderGroup;
import org.cloudml.core.collections.VMInstanceGroup;
import java.util.List;
/**
* @author Francesco di Forenza
* This class receive the model changes and tranform them
* to ensure compatibility with third parties
*/
public class Filter {
/**
* Convert a Deployment model from CloudMl in a format
* compatible with MODAClouds Monitoring Platform's APIs
*
* @param deployment the deployment model to convert
*/
public static Model fromCloudmlToModaMP(Deployment deployment) {
//get the relevant part of the model
//create a new list for avoid changes in the original one
ComponentInstanceGroup instances = new ComponentInstanceGroup();
instances.addAll(deployment.getComponentInstances());
ProviderGroup providers = new ProviderGroup();
providers.addAll(deployment.getProviders());
//call the actual translator
return getModelUpdates(instances, providers);
}
/**
* Convert a list of ExternalCOmpnents model from CloudMl in a format
* compatible with MODAClouds Monitoring Platform's APIs
*
* @param addedECs the list
*/
public static Model fromCloudmlToModaMP(List<ExternalComponentInstance<? extends org.cloudml.core.ExternalComponent>> addedECs,
List<InternalComponentInstance> addedICs) {
//create a new list for avoid changes in the original one
ComponentInstanceGroup supportList = new ComponentInstanceGroup();
supportList.addAll(addedECs);
supportList.addAll(addedICs);
//call the actual translator
return getModelUpdates(supportList, null);
}
//this is the core method the other one are just to prepare the lists for this one
private static Model getModelUpdates(ComponentInstanceGroup instances, ProviderGroup providers) {
Model model = new Model();
//go top down to remove the synched ones
//prepare the VMs list
VMInstanceGroup VMs = instances.onlyVMs();
for (VMInstance i : VMs) {
String location = i.getType().getLocation();
if(!location.isEmpty()) {
model.add(fromCloudmlToModaMP(location));
}
model.add(fromCloudmlToModaMP(i));
instances.remove(i);
}
//prepare the InternalComponents list
InternalComponentInstanceGroup internalComponents = instances.onlyInternals();
for (InternalComponentInstance i : internalComponents) {
model.add(fromCloudmlToModaMP(i));
instances.remove(i);
}
//prepare for providers list
if(providers!=null){
for (Provider i : providers) {
model.add(fromCloudmlToModaMP(i));
instances.remove(i);
}
}
return model;
}
//Translate a single VM from cloudML to Monitoring Platform QoS-model
private static VM fromCloudmlToModaMP(VMInstance toTranslate) {
VM toReturn = new VM();
//KB entity field
String id = toTranslate.getName();
toReturn.setId(id);
toReturn.setType(String.valueOf(toTranslate.getType().getName()));
toReturn.setCloudProvider(toTranslate.getType().getProvider().getName());
toReturn.setLocation(toTranslate.getType().getLocation());
toReturn.setNumberOfCPUs(toTranslate.getCore());
return toReturn;
}
//Translate an internal component from cloudML to Monitoring Platform QoS-model
private static InternalComponent fromCloudmlToModaMP(InternalComponentInstance toTranslate){
InternalComponent toReturn = new InternalComponent();
String id = toTranslate.getName();
toReturn.setId(id);
toReturn.setType(String.valueOf(toTranslate.getType().getName()));
toReturn.addRequiredComponent(toTranslate.externalHost().getName());
return toReturn;
}
//Translate a cloud provider from cloudML to Monitoring Platform QoS-model
private static CloudProvider fromCloudmlToModaMP(Provider toTranslate){
CloudProvider toReturn = new CloudProvider();
String id = toTranslate.getName();
toReturn.setId(id);
toReturn.setType(String.valueOf(toTranslate.getName()));
return toReturn;
}
//Translate a location from cloudML to Monitoring Platform QoS-model
private static Location fromCloudmlToModaMP(String location){
Location toReturn = new Location();
toReturn.setId(location);
toReturn.setType(String.valueOf(location));
toReturn.setLocation(location);
return toReturn;
}
}