/// <summary>
/// Constructs the object hierarchy that will be serialized to a single manifest
/// file describing the import.
/// </summary>
/// <param name="fileFormat">
/// The file format of the image file. If not specified, it will be inferred from the image
/// file extension. Valid values: VMDK | RAW | VHD.
/// </param>
/// <param name="volumeSize">
/// The requested size, in GiB, of the resulting volume in EC2. If not specified a suitable
/// value will be used based on the size of the supplied image file.
/// </param>
/// <returns>Import manifest ready for serialization and upload.</returns>
ImportManifestRoot CreateImportManifest(string fileFormat,
long? volumeSize)
{
try
{
var urlExpiration = DateTime.UtcNow.AddDays(UrlExpiryPeriod);
ConstructManifestArtifactKey(ImageFilePath);
var format = fileFormat;
if (string.IsNullOrEmpty(format))
{
var ext = AWSSDKUtils.GetExtension(ImageFilePath);
if (string.IsNullOrEmpty(ext))
throw new ArgumentException("The image filename does not have an exception, so file format cannot be inferred.");
format = ext.TrimStart('.');
}
var manifest = new ImportManifestRoot
{
Version = ManifestFileVersion,
FileFormat = format.ToUpper(CultureInfo.InvariantCulture),
ImporterField = new ImporterInfo
{
Name = ManifestFileImporterName,
Version = ManifestFileImporterVersion,
Release = ManifestFileImporterRelease
},
SelfDestructUrl = S3Client.GetPreSignedURL(new GetPreSignedUrlRequest
{
BucketName = BucketName,
Key = ManifestFileKey,
Expires = urlExpiration,
Verb = HttpVerb.DELETE
}),
ImportData = ConstructImportPartsList(volumeSize, urlExpiration)
};
return manifest;
}
catch (Exception e)
{
throw new DiskImageImporterException(DiskImportErrorStage.GeneratingManifest, e);
}
}
