/**
* Copyright (C) 2008 - Abiquo Holdings S.L. All rights reserved.
*
* Please see /opt/abiquo/tomcat/webapps/legal/ on Abiquo server
* or contact contact@abiquo.com for licensing information.
*/
package com.abiquo.server.core.statistics;
import java.math.BigDecimal;
import javax.persistence.EntityManager;
import org.hibernate.Criteria;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.hibernate.criterion.ProjectionList;
import org.hibernate.criterion.Projections;
import org.springframework.stereotype.Repository;
import com.abiquo.server.core.common.persistence.DefaultDAOBase;
import com.softwarementors.bzngine.engines.hibernate.HibernateEntityManagerHelper;
@Repository("jpaCloudUsageDAO")
public class CloudUsageDAO extends DefaultDAOBase<Integer, CloudUsage>
{
public CloudUsageDAO()
{
super(CloudUsage.class);
}
public CloudUsageDAO(EntityManager entityManager)
{
super(CloudUsage.class, entityManager);
}
/**
* Gets generated statistics information and adds oversubscription calculated cpu / ram values
*
* @param idDatacenter -1 -> calculate total
* @return
*/
public CloudUsage calculateCloudUsage(int idDatacenter)
{
CloudUsage result = new CloudUsage();
String oversubscriptionQuery = CloudUsageDAO.CALCULATE_CLOUD_USAGE_QUERY;
if (idDatacenter == -1)
{
// Total
result = sumTotalCloudUsage();
}
else
{
// By Datacenter
result = findById(idDatacenter);
oversubscriptionQuery += CloudUsageDAO.FILTER_BY_DATACENTER_PARAM;
oversubscriptionQuery += CloudUsageDAO.GROUP_BY_DATACENTER_CLAUSE;
}
// Add oversubscription calculated cpu / ram statistics by QUERY
SQLQuery sqlQuery = getSession().createSQLQuery(oversubscriptionQuery);
if (idDatacenter != -1)
{
sqlQuery.setParameter("idDatacenter", idDatacenter);
}
Object[] calculatedResources = (Object[]) sqlQuery.uniqueResult();
if (calculatedResources != null)
{
Long calculatedCpu =
calculatedResources[0] == null ? 0 : ((BigDecimal) calculatedResources[0])
.longValue();
Long calculatedRam =
calculatedResources[1] == null ? 0 : ((BigDecimal) calculatedResources[1])
.longValue();
result.setVirtualCpuTotal(calculatedCpu);
result.setVirtualMemoryTotal(calculatedRam);
}
return result;
}
private CloudUsage sumTotalCloudUsage()
{
// TODO: Include aggregators functionality in bzengine?
Session ses = HibernateEntityManagerHelper.getSession(getEntityManager());
Criteria crit = ses.createCriteria(CloudUsage.class);
ProjectionList proList = Projections.projectionList();
proList.add(Projections.sum(CloudUsage.SERVERS_TOTAL_PROPERTY));
proList.add(Projections.sum(CloudUsage.SERVERS_RUNNING_PROPERTY));
proList.add(Projections.sum(CloudUsage.STORAGE_TOTAL_PROPERTY));
// proList.add(Projections.sum(CloudUsage.STORAGE_RESERVED_PROPERTY));
proList.add(Projections.sum(CloudUsage.STORAGE_USED_PROPERTY));
proList.add(Projections.sum(CloudUsage.PUBLIC_I_PS_TOTAL_PROPERTY));
// proList.add(Projections.sum(CloudUsage.PUBLIC_I_PS_RESERVED_PROPERTY));
proList.add(Projections.sum(CloudUsage.PUBLIC_I_PS_USED_PROPERTY));
proList.add(Projections.sum(CloudUsage.V_MACHINES_TOTAL_PROPERTY));
proList.add(Projections.sum(CloudUsage.V_MACHINES_RUNNING_PROPERTY));
// proList.add(Projections.sum(CloudUsage.V_CPU_TOTAL_PROPERTY));
// proList.add(Projections.sum(CloudUsage.V_CPU_RESERVED_PROPERTY));
proList.add(Projections.sum(CloudUsage.V_CPU_USED_PROPERTY));
// proList.add(Projections.sum(CloudUsage.V_MEMORY_TOTAL_PROPERTY));
// proList.add(Projections.sum(CloudUsage.V_MEMORY_RESERVED_PROPERTY));
proList.add(Projections.sum(CloudUsage.V_MEMORY_USED_PROPERTY));
proList.add(Projections.sum(CloudUsage.V_STORAGE_TOTAL_PROPERTY));
// proList.add(Projections.sum(CloudUsage.V_STORAGE_RESERVED_PROPERTY));
proList.add(Projections.sum(CloudUsage.V_STORAGE_USED_PROPERTY));
proList.add(Projections.sum(CloudUsage.NUM_USERS_CREATED_PROPERTY));
proList.add(Projections.sum(CloudUsage.NUM_VDC_CREATED_PROPERTY));
proList.add(Projections.sum(CloudUsage.NUM_ENTERPRISES_CREATED_PROPERTY));
crit.setProjection(proList);
Object[] obj = (Object[]) crit.uniqueResult(); // Returns Object[] ->
CloudUsage result = new CloudUsage();
int cont = 0;
result.setServersTotal((Long) obj[cont++]);
result.setServersRunning((Long) obj[cont++]);
result.setStorageTotal((Long) obj[cont++]);
// result.setStorageReserved((Long) obj[cont++]);
result.setStorageUsed((Long) obj[cont++]);
result.setPublicIPsTotal((Long) obj[cont++]);
// result.setPublicIPsReserved((Long) obj[cont++]);
result.setPublicIPsUsed((Long) obj[cont++]);
result.setVirtualMachinesTotal((Long) obj[cont++]);
result.setVirtualMachinesRunning((Long) obj[cont++]);
// result.setVirtualCpuTotal((Long) obj[cont++]);
// result.setVirtualCpuReserved((Long) obj[cont++]);
result.setVirtualCpuUsed((Long) obj[cont++]);
// result.setVirtualMemoryTotal((Long) obj[cont++]);
// result.setVirtualMemoryReserved((Long) obj[cont++]);
result.setVirtualMemoryUsed((Long) obj[cont++]);
result.setVirtualStorageTotal((Long) obj[cont++]);
// result.setVirtualStorageReserved((Long) obj[cont++]);
result.setVirtualStorageUsed((Long) obj[cont++]);
result.setNumUsersCreated((Long) obj[cont++]);
result.setNumVdcCreated((Long) obj[cont++]);
result.setNumEnterprisesCreated((Long) obj[cont++]);
return result;
}
private final static String CALCULATE_CLOUD_USAGE_QUERY = //
"SELECT SUM(mm.cpu * COALESCE(over.cpuLoadPercentage/100, 1)), SUM(mm.ram * COALESCE(over.ramLoadPercentage/100, 1)) "
+ //
"FROM physicalmachine mm LEFT OUTER JOIN "
+ //
"(select m.idDatacenter, m.idPhysicalMachine, l.id load_rule, m.cpu, m.ram, l.cpuLoadPercentage, l.ramLoadPercentage "
+ //
"FROM physicalmachine m "
+ //
"INNER JOIN workload_machine_load_rule l ON m.idPhysicalMachine = l.idMachine "
+ //
"UNION ALL "
+ //
"SELECT m.idDatacenter, m.idPhysicalMachine, l.id, m.cpu, m.ram, l.cpuLoadPercentage, l.ramLoadPercentage "
+ //
"FROM rack r "
+ //
"INNER JOIN workload_machine_load_rule l ON r.idRack = l.idRack AND l.idMachine IS NULL "
+ //
"INNER JOIN physicalmachine m ON r.idRack = m.idRack "
+ //
"WHERE m.idPhysicalMachine NOT IN (SELECT ll.idMachine FROM workload_machine_load_rule ll WHERE ll.idMachine IS NOT NULL) "
+ //
"UNION ALL "
+ //
"SELECT m.idDatacenter, m.idPhysicalMachine, l.id, m.cpu, m.ram, l.cpuLoadPercentage, l.ramLoadPercentage "
+ //
"FROM datacenter d "
+ //
"INNER JOIN workload_machine_load_rule l ON d.idDataCenter = l.idDatacenter AND l.idMachine IS NULL AND l.idRack IS NULL "
+ //
"INNER JOIN physicalmachine m ON d.idDatacenter = m.idDatacenter "
+ //
"WHERE m.idPhysicalMachine NOT IN (select ll.idMachine from workload_machine_load_rule ll where ll.idMachine IS NOT NULL) "
+ //
"AND m.idRack NOT IN (select ll.idRack from workload_machine_load_rule ll where ll.idRack IS NOT NULL) "
+ //
") over ON mm.idPhysicalMachine = over.idPhysicalMachine ";
private final static String FILTER_BY_DATACENTER_PARAM =
" WHERE mm.idDatacenter = :idDatacenter ";
private final static String GROUP_BY_DATACENTER_CLAUSE = " GROUP BY mm.idDatacenter;";
}