/**
 *  Copyright (C) 2010 Cloud.com, Inc.  All rights reserved.
 * 
 * This software is licensed under the GNU General Public License v3 or later.
 * 
 * It is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or any later version.
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package com.cloud.hypervisor;

import javax.ejb.Local;

import com.cloud.agent.api.to.VirtualMachineTO;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.storage.GuestOSVO;
import com.cloud.storage.Storage;
import com.cloud.storage.dao.GuestOSDao;
import com.cloud.template.VirtualMachineTemplate;
import com.cloud.template.VirtualMachineTemplate.BootloaderType;
import com.cloud.utils.component.Inject;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.VirtualMachineProfile;

@Local(value=HypervisorGuru.class)
public class XenServerGuru extends HypervisorGuruBase implements HypervisorGuru {
    @Inject GuestOSDao _guestOsDao;

    protected XenServerGuru() {
        super();
    }
    
    @Override
    public HypervisorType getHypervisorType() {
        return HypervisorType.XenServer;
    }

    @Override
    public <T extends VirtualMachine> VirtualMachineTO implement(VirtualMachineProfile<T> vm) {
        BootloaderType bt = BootloaderType.PyGrub;
        if (vm.getBootLoaderType() == BootloaderType.CD) {
        	 bt = vm.getBootLoaderType();
        }
        VirtualMachineTO to = toVirtualMachineTO(vm);
        to.setBootloader(bt);
        
        // Determine the VM's OS description
        GuestOSVO guestOS = _guestOsDao.findById(vm.getVirtualMachine().getGuestOSId());
        to.setOs(guestOS.getDisplayName());
        
        return to;
    }
    
	@Override
    public boolean trackVmHostChange() {
        return true;
    }
}