KVMHypervisor.java

/*
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * The Original Code is available at http://www.abiquo.com/.....
 * 
 * The Initial Developer of the Original Code is Soluciones Grid, S.L. (www.abiquo.com),
 * Consell de Cent 296 principal 2�, 08007 Barcelona, Spain.
 * No portions of the Code have been created by third parties. 
 * All Rights Reserved.
 * 
 * Contributor(s): ______________________________________.
 * 
 * Graphical User Interface of this software may be used under the terms
 * of the Common Public Attribution License Version 1.0 (the  "CPAL License",
 * available at http://cpal.abiquo.com), in which case the provisions of CPAL
 * License are applicable instead of those above. In relation of this portions 
 * of the Code, a Legal Notice according to Exhibits A and B of CPAL Licence 
 * should be provided in any distribution of the corresponding Code to Graphical
 * User Interface.
 */
package com.abiquo.abicloud.hypervisor.impl;

import java.net.URL;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.abiquo.abicloud.exception.VirtualMachineException;
import com.abiquo.abicloud.machine.impl.KVMMachine;
import com.abiquo.abicloud.model.AbsVirtualMachine;
import com.abiquo.abicloud.model.IHypervisor;
import com.abiquo.abicloud.model.config.VirtualMachineConfiguration;

import org.libvirt.Connect;
import org.libvirt.LibvirtException;

/**
 * The Class KVMHypervisor represents the KVM hypervisor.
 */
public class KVMHypervisor implements IHypervisor
{

    /** The Constant logger. */
    private final static Logger logger = LoggerFactory.getLogger(KVMHypervisor.class.getName());

    /** The original url. **/
    private URL url;

    /** The libvirt url. **/
    private String lv_url;

    /** The connection handle **/
    private Connect conn;

    public Connect getConnection()
    {
        return conn;
    }

    /*
     * (non-Javadoc)
     * @see com.abiquo.abicloud.model.IHypervisor#connect(java.net.URL)
     */
    public void connect(URL url)
    {
        if (url == null)
        {
            logger.error("The url can not be null");
            throw new RuntimeException("The url to connect to the hypervisor can not be null");
        }

        this.url = url;

        if (url.toString().compareTo("http://system") == 0)
            this.lv_url = "qemu:///system";
        else
            this.lv_url = null;

        strConnect(this.lv_url);
    }

    private void strConnect(String url)
    {

        try
        {
            conn = new Connect(url.toString(), false);
        }
        catch (LibvirtException e)
        {
            throw new RuntimeException("Unable to connect to the specified URL");
        }

        logger.info("Initialized connection to libvirt address:" + url);
    }

    /**
     * Reconnects to the hypervisors
     */
    public void reconnect()
    {
        strConnect(this.lv_url);
    }

    /*
     * (non-Javadoc)
     * @see com.abiquo.abicloud.model.IHypervisor#createMachine(com.abiquo.abicloud
     * .model.VirtualMachineConfiguration)
     */
    public AbsVirtualMachine createMachine(VirtualMachineConfiguration config)
        throws VirtualMachineException // String
    // machineName,
    // UUID
    // machineId
    {
        // config.setHypervisor(this); esto se hace en el model

        return new KVMMachine(config);
    }

    /*
     * (non-Javadoc)
     * @see com.abiquo.abicloud.model.IHypervisor#getAddress()
     */
    public URL getAddress()
    {
        return url;
    }

    /*
     * (non-Javadoc)
     * @see com.abiquo.abicloud.model.IHypervisor#logout()
     */
    public void logout()
    {
    }

    /*
     * (non-Javadoc)
     * @see com.abiquo.abicloud.model.IHypervisor#login(java.lang.String, java.lang.String)
     */
    public void login(String user, String password)
    {
    }

    /*
     * (non-Javadoc)
     * @see com.abiquo.abicloud.model.IHypervisor#getHypervisorType()
     */
    public String getHypervisorType()
    {
        return "KVM";
    }

    @Override
    public void init(URL url)
    {
        logger.info("KVM Hypervisor initialized");

    }

}