metadata.put(ImageService.METADATA_KEY_CONTAINER_FORMAT, "tar");
metadata.put(ImageService.METADATA_KEY_DISK_FORMAT, "raw");
UUID containerId = UUID.fromString(hostCookie);
try (TempFile snapshot = host.createImage(containerId)) {
ImageService.Image image = imageService.createImage(instance.getProjectId(), metadata);
BlobData blobData = BlobData.build(snapshot.getFile());
image = imageService.uploadData(image, blobData);
return image;
}