public async Task WriteToAsync(Stream @out)
{
TarStreamBuilder tarStreamBuilder = new TarStreamBuilder();
DockerLoadManifestEntryTemplate manifestTemplate = new DockerLoadManifestEntryTemplate();
// Adds all the layers to the tarball and manifest.
foreach (ILayer layer in image.GetLayers())
{
string layerName = layer.GetBlobDescriptor().GetDigest().GetHash() + LAYER_FILE_EXTENSION;
tarStreamBuilder.AddBlobEntry(
layer.GetBlob(), layer.GetBlobDescriptor().GetSize(), layerName);
manifestTemplate.AddLayerFile(layerName);
}
// Adds the container configuration to the tarball.
ContainerConfigurationTemplate containerConfiguration =
new ImageToJsonTranslator(image).GetContainerConfiguration();
tarStreamBuilder.AddByteEntry(
JsonTemplateMapper.ToByteArray(containerConfiguration),
CONTAINER_CONFIGURATION_JSON_FILE_NAME);
// Adds the manifest to tarball.
manifestTemplate.SetRepoTags(imageReference.ToStringWithTag());
tarStreamBuilder.AddByteEntry(
JsonTemplateMapper.ToByteArray(new List <DockerLoadManifestEntryTemplate> {
manifestTemplate
}),
MANIFEST_JSON_FILE_NAME);
await tarStreamBuilder.WriteAsTarArchiveToAsync(@out).ConfigureAwait(false);
}
public void TestToJson()
{
// Loads the expected JSON string.
SystemPath jsonFile = Paths.Get(TestResources.GetResource("core/json/loadmanifest.json").ToURI());
string expectedJson = Encoding.UTF8.GetString(Files.ReadAllBytes(jsonFile));
DockerLoadManifestEntryTemplate template = new DockerLoadManifestEntryTemplate();
template.SetRepoTags(
ImageReference.Of("testregistry", "testrepo", "testtag").ToStringWithTag());
template.AddLayerFile("layer1.tar.gz");
template.AddLayerFile("layer2.tar.gz");
template.AddLayerFile("layer3.tar.gz");
List <DockerLoadManifestEntryTemplate> loadManifest = new List <DockerLoadManifestEntryTemplate> {
template
};
Assert.AreEqual(expectedJson, JsonTemplateMapper.ToUtf8String(loadManifest));
}