/// <summary>
/// Adds a disk to the volume manager.
/// </summary>
/// <param name="disk">The disk to add</param>
/// <returns>The GUID the volume manager will use to identify the disk</returns>
public string AddDisk(VirtualDisk disk)
{
_needScan = true;
int ordinal = _disks.Count;
_disks.Add(disk);
return GetDiskId(ordinal);
}
/// <summary>
/// Initializes a new instance of the PhysicalVolumeInfo class.
/// </summary>
/// <param name="diskId">The containing disk's identity.</param>
/// <param name="disk">The disk containing the partition.</param>
/// <param name="partitionInfo">Information about the partition.</param>
/// <remarks>Use this constructor to represent a (BIOS or GPT) partition.</remarks>
internal PhysicalVolumeInfo(
string diskId,
VirtualDisk disk,
PartitionInfo partitionInfo)
{
_diskId = diskId;
_disk = disk;
_streamOpener = partitionInfo.Open;
_type = partitionInfo.VolumeType;
_partitionInfo = partitionInfo;
}
/// <summary>
/// Creates an instance representing a (BIOS or GPT) partition.
/// </summary>
/// <param name="diskId">The containing disk's identity</param>
/// <param name="disk">The disk containing the partition</param>
/// <param name="partitionInfo">Information about the partition</param>
internal PhysicalVolumeInfo(
string diskId,
VirtualDisk disk,
PartitionInfo partitionInfo
)
{
_diskId = diskId;
_disk = disk;
_streamOpener = partitionInfo.Open;
_type = (partitionInfo is GuidPartitionInfo) ? PhysicalVolumeType.GptPartition : PhysicalVolumeType.BiosPartition;
_partitionInfo = partitionInfo;
}
private string GetDiskId(int ordinal)
{
VirtualDisk disk = _disks[ordinal];
if (disk.IsPartitioned)
{
Guid guid = disk.Partitions.DiskGuid;
if (guid != Guid.Empty)
{
return("DG" + guid.ToString("B"));
}
}
int sig = disk.Signature;
if (sig != 0)
{
return("DS" + sig.ToString("X8", CultureInfo.InvariantCulture));
}
return("DO" + ordinal);
}
internal List<XenRef<VDI>> ImportFile(Session xenSession, string vmname, string pathToOvf, string filename, string compression, string version, string passcode, string sruuid, string description, string vdiuuid)
{
List<XenRef<VDI>> vdiRef = new List<XenRef<VDI>>();
// Get the disk transport method from the configuration in XenOvfTransport.Properties.Settings.TransferType.
TransferType useTransport = (TransferType)Enum.Parse(typeof(TransferType), Properties.Settings.Default.TransferType, true);
TransferMethod useTransferMethod = TransferMethod.Image;
string sourcefile = filename;
string encryptfilename = null;
string uncompressedfilename = null;
string destinationPath = Properties.Settings.Default.xenISOMount;
string StartPath = Directory.GetCurrentDirectory();
Directory.SetCurrentDirectory(pathToOvf);
Stream dataStream = null;
long dataCapacity = 0;
#region SET UP TRANSPORT
if (filename != null)
{
if (IsKnownURIType(filename))
{
Uri fileUri = new Uri(filename);
filename = DownloadFileAsync(fileUri, 0);
sourcefile = filename;
}
if (File.Exists(filename))
{
string ext = Path.GetExtension(filename);
try
{
encryptfilename = "enc_" + filename;
uncompressedfilename = "unc_" + filename;
// OK.. lets see is the file encrypted?
#region ENCRYPTION
if (passcode != null)
{
var statusMessage = string.Format(Messages.START_FILE_DECRYPTION, filename);
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.MarqueeOn, "Security", statusMessage));
log.Debug(statusMessage);
OVF.DecryptToTempFile(EncryptionClass, filename, version, passcode, encryptfilename);
sourcefile = encryptfilename;
statusMessage += Messages.COMPLETE;
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.MarqueeOff, "Security", statusMessage));
}
#endregion
#region COMPRESSION
// Identity == no compression, it is meant when a URL is used to identify the compression during transport.
if (compression != null &&
!compression.ToLower().Equals("none") &&
!compression.ToLower().Equals("identity"))
{
// gz is the only understood 'compressed' format, strip it..
// the OVF is marked with "compressed=gzip" therefor it will get decompress
// correctly and use with its disk extension (vmdk/vhd/vdi)...
if (ext.ToLower().EndsWith(".gz"))
{
string newfilename = Path.GetFileNameWithoutExtension(uncompressedfilename);
uncompressedfilename = newfilename;
ext = Path.GetExtension(uncompressedfilename);
}
var statusMessage = string.Format(Messages.START_FILE_EXPANSION, filename);
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.MarqueeOn, "Compression", statusMessage));
var ovfCompressor = new OvfCompressor();
ovfCompressor.UncompressFile(sourcefile, uncompressedfilename, compression);
if (File.Exists(encryptfilename)) { File.Delete(encryptfilename); }
sourcefile = uncompressedfilename;
statusMessage += Messages.COMPLETE;
OnUpdate(new XenOvfTranportEventArgs(XenOvfTranportEventType.MarqueeOff, "Compression", statusMessage));
}
#endregion
#region DISK SELECTION
bool knownDisk = false;
foreach (string diskext in VirtualDisk.SupportedDiskFormats)
{
if (ext.ToLower().Contains(diskext.ToLower()))
{
knownDisk = true;
break;
}
}
if (knownDisk)
{
log.DebugFormat("Found file {0} using {1} Stream", filename, ext);
vhdDisk = VirtualDisk.OpenDisk(sourcefile, FileAccess.Read);
dataStream = vhdDisk.Content;
dataCapacity = vhdDisk.Capacity;
}
else if (ext.ToLower().Contains("wim"))
{
log.WarnFormat("EXPERIMENTAL CODE: Found file {0} using WIM file structure", filename);
wimDisk = new DiscUtils.Wim.WimFile(new FileStream(sourcefile, FileMode.Open, FileAccess.Read));
//wimFS = wimDisk.GetImage(wimDisk.BootImage);
dataStream = null;
string manifest = wimDisk.Manifest;
Wim_Manifest wimManifest = (Wim_Manifest)Tools.Deserialize(manifest, typeof(Wim_Manifest));
ulong imagesize = wimManifest.Image[wimDisk.BootImage].TotalBytes; // <----<<< Image data size
wimFileCount = wimManifest.Image[wimDisk.BootImage].FileCount;
dataCapacity = (long)(imagesize + AdditionalSpace);
useTransferMethod = TransferMethod.Files;
}
else if (ext.ToLower().Contains("xva"))
{
log.WarnFormat("EXPERIMENTAL CODE: Found file {0} using XVA Stream (DISK {1} is being imported).", filename, xvadisk);
DiscUtils.Xva.VirtualMachine vm = new DiscUtils.Xva.VirtualMachine(new FileStream(sourcefile, FileMode.Open, FileAccess.Read));
int i = 0;
foreach (DiscUtils.Xva.Disk d in vm.Disks)
{
if (i == xvadisk)
{
vhdDisk = d;
break;
}
}
dataStream = vhdDisk.Content;
dataCapacity = vhdDisk.Capacity;
}
else if (ext.ToLower().EndsWith("iso"))
{
if (string.IsNullOrEmpty(sruuid))
{
useTransport = TransferType.Skip;
}
else
{
//DiscUtils.Iso9660.CDReader cdr = new DiscUtils.Iso9660.CDReader(File.OpenRead(filename), true);
dataStream = File.OpenRead(filename);
dataCapacity = dataStream.Length + (512 * KB); // Xen does 512KB rounding this is to ensure it doesn't round down below size.
}
}
#endregion
}
catch (Exception ex)
{
log.Error(Messages.ISCSI_ERROR_CANNOT_OPEN_DISK);
throw new Exception(Messages.ISCSI_ERROR_CANNOT_OPEN_DISK, ex);
}
}
else
{
throw new FileNotFoundException(string.Format(Messages.FILE_MISSING, filename));
}
}
else
{
log.Error(Messages.ERROR_FILE_NAME_NULL);
throw new InvalidDataException(Messages.ERROR_FILE_NAME_NULL);
}
#endregion
try
{
#region SEE IF TARGET SR HAS ENOUGH SPACE
if (useTransport == TransferType.UploadRawVDI ||
useTransport == TransferType.iSCSI)
{
long freespace;
string contenttype = string.Empty;
if(vdiuuid != null)
{
XenRef<VDI> vdiLookup = VDI.get_by_uuid(xenSession, vdiuuid);
freespace = VDI.get_virtual_size(xenSession, vdiLookup);
}
else
{
XenRef<SR> srRef = SR.get_by_uuid(xenSession, sruuid);
long size = SR.get_physical_size(xenSession, srRef);
long usage = SR.get_physical_utilisation(xenSession, srRef);
contenttype = SR.get_content_type(xenSession, srRef);
freespace = size - usage;
}
if (freespace <= dataCapacity)
{
string message = string.Format(Messages.NOT_ENOUGH_SPACE_IN_SR, sruuid, Convert.ToString(vhdDisk.Capacity), filename);
log.Error(message);
throw new IOException(message);
}
}
#endregion
#region UPLOAD FILE
switch (useTransport)
{
case TransferType.UploadRawVDI:
{
vdiRef.Add(UploadRawVDI(xenSession, sruuid, vmname, dataStream, dataCapacity, description));
break;
}
case TransferType.iSCSI:
{
if (useTransferMethod == TransferMethod.Image)
{
vdiRef.Add(UploadiSCSI(xenSession, sruuid, vmname, dataStream, dataCapacity, description, vdiuuid));
}
else
{
for (int i = 0; i < wimDisk.ImageCount; i++)
{
Wim_Manifest wimManifest = (Wim_Manifest)Tools.Deserialize(wimDisk.Manifest, typeof(Wim_Manifest));
wimFileCount = wimManifest.Image[i].FileCount;
int wimArch = wimManifest.Image[i].Windows.Architecture;
vdiRef.Add(UploadiSCSIbyWimFile(xenSession, sruuid, vmname, wimDisk, i, dataCapacity, wimFileCount, wimArch, ""));
}
}
break;
}
case TransferType.Skip:
{
log.Info("ImportFile: Upload Skipped");
break;
}
default:
{
log.Error(Messages.UNSUPPORTED_TRANSPORT);
throw new InvalidDataException(Messages.UNSUPPORTED_TRANSPORT);
}
}
#endregion
}
catch (Exception ex)
{
if (ex is OperationCanceledException)
throw;
throw new Exception(Messages.FILE_TRANSPORT_FAILED, ex);
}
finally
{
if (vhdDisk != null)
{
vhdDisk.Dispose();
vhdDisk = null;
}
if (wimDisk != null)
{
wimDisk = null;
}
if (File.Exists(encryptfilename)) { File.Delete(encryptfilename); }
if (File.Exists(uncompressedfilename)) { File.Delete(uncompressedfilename); }
}
Directory.SetCurrentDirectory(StartPath);
log.DebugFormat("OVF.Import.ImportFile leave: created {0} VDIs", vdiRef.Count);
return vdiRef;
}
/// <summary>
/// Creates a new instance from the contents of an existing disk.
/// </summary>
/// <param name="initialDisk">The initial disk to add.</param>
public VolumeManager(VirtualDisk initialDisk)
: this()
{
AddDisk(initialDisk);
}
/// <summary>
/// Gets the physical volumes held on a disk.
/// </summary>
/// <param name="disk">The disk to inspect</param>
/// <returns>An array of volumes</returns>
/// <remarks>If the disk isn't partitioned, this method returns the entire disk contents
/// as a single volume.</remarks>
public static PhysicalVolumeInfo[] GetPhysicalVolumes(VirtualDisk disk)
{
return new VolumeManager(disk).GetPhysicalVolumes();
}
/// <summary>
/// Initializes a new instance of the VolumeManager class.
/// </summary>
/// <param name="initialDisk">The initial disk to add.</param>
public VolumeManager(VirtualDisk initialDisk)
: this()
{
AddDisk(initialDisk);
}
/// <summary>
/// Gets the physical volumes held on a disk.
/// </summary>
/// <param name="disk">The disk to inspect.</param>
/// <returns>An array of volumes.</returns>
/// <remarks>If the disk isn't partitioned, this method returns the entire disk contents
/// as a single volume.</remarks>
public static PhysicalVolumeInfo[] GetPhysicalVolumes(VirtualDisk disk)
{
return(new VolumeManager(disk).GetPhysicalVolumes());
}
/// <summary>
/// Opens an existing virtual disk.
/// </summary>
/// <param name="path">The path of the virtual disk to open, can be a URI.</param>
/// <param name="forceType">Force the detected disk type (<c>null</c> to detect).</param>
/// <param name="access">The desired access to the disk.</param>
/// <param name="user">The user name to use for authentication (if necessary).</param>
/// <param name="password">The password to use for authentication (if necessary).</param>
/// <returns>The Virtual Disk, or <c>null</c> if an unknown disk format.</returns>
/// <remarks>
/// The detected disk type can be forced by specifying a known disk type:
/// RAW, VHD, VMDK, etc.
/// </remarks>
public static VirtualDisk OpenDisk(string path, string forceType, FileAccess access, string user, string password)
{
Uri uri = PathToUri(path);
VirtualDisk result = null;
Type transportType;
if (!VirtualDiskManager.DiskTransports.TryGetValue(uri.Scheme.ToUpperInvariant(), out transportType))
{
throw new FileNotFoundException(string.Format(CultureInfo.InvariantCulture, "Unable to parse path '{0}'", path), path);
}
VirtualDiskTransport transport = (VirtualDiskTransport)Activator.CreateInstance(transportType);
try
{
transport.Connect(uri, user, password);
if (transport.IsRawDisk)
{
result = transport.OpenDisk(access);
}
else
{
bool foundFactory;
VirtualDiskFactory factory;
if (!string.IsNullOrEmpty(forceType))
{
foundFactory = VirtualDiskManager.TypeMap.TryGetValue(forceType, out factory);
}
else
{
string extension = Path.GetExtension(uri.AbsolutePath).ToUpperInvariant();
if (extension.StartsWith(".", StringComparison.Ordinal))
{
extension = extension.Substring(1);
}
foundFactory = VirtualDiskManager.ExtensionMap.TryGetValue(extension, out factory);
}
if (foundFactory)
{
result = factory.OpenDisk(transport.GetFileLocator(), transport.GetFileName(), access);
}
}
if (result != null)
{
result._transport = transport;
transport = null;
}
return(result);
}
finally
{
if (transport != null)
{
transport.Dispose();
}
}
}
/// <summary>
/// Initializes a new instance of the PhysicalVolumeInfo class.
/// </summary>
/// <param name="diskId">The identity of the disk</param>
/// <param name="disk">The disk itself</param>
/// <remarks>Use this constructor to represent an entire disk as a single volume.</remarks>
internal PhysicalVolumeInfo(
string diskId,
VirtualDisk disk)
{
_diskId = diskId;
_disk = disk;
_streamOpener = delegate { return new SubStream(disk.Content, Ownership.None, 0, disk.Capacity); };
_type = PhysicalVolumeType.EntireDisk;
}
