public async Task TestPullAsync()
{
// Pulls the busybox image.
localRegistry.PullAndPushToLocal("busybox", "busybox");
RegistryClient registryClient =
RegistryClient.CreateFactory(EventHandlers.NONE, "localhost:5000", "busybox")
.SetAllowInsecureRegistries(true)
.NewRegistryClient();
V21ManifestTemplate manifestTemplate =
await registryClient.PullManifestAsync <V21ManifestTemplate>("latest").ConfigureAwait(false);
DescriptorDigest realDigest = manifestTemplate.GetLayerDigests().First();
// Pulls a layer BLOB of the busybox image.
LongAdder totalByteCount = new LongAdder();
LongAdder expectedSize = new LongAdder();
IBlob pulledBlob =
registryClient.PullBlob(
realDigest,
size =>
{
Assert.AreEqual(0, expectedSize.Sum());
expectedSize.Add(size);
},
totalByteCount.Add);
BlobDescriptor blobDescriptor = await pulledBlob.WriteToAsync(Stream.Null).ConfigureAwait(false);
Assert.AreEqual(realDigest, blobDescriptor.GetDigest());
Assert.IsTrue(expectedSize.Sum() > 0);
Assert.AreEqual(expectedSize.Sum(), totalByteCount.Sum());
}
/**
* Writes a V2.1 manifest for a given image reference.
*
* @param imageReference the image reference to store the metadata for
* @param manifestTemplate the manifest
*/
public async Task WriteMetadataAsync(IImageReference imageReference, V21ManifestTemplate manifestTemplate)
{
SystemPath imageDirectory = cacheStorageFiles.GetImageDirectory(imageReference);
Files.CreateDirectories(imageDirectory);
using (LockFile ignored1 = LockFile.Create(imageDirectory.Resolve("lock")))
{
await WriteMetadataAsync(manifestTemplate, imageDirectory.Resolve("manifest.json")).ConfigureAwait(false);
}
}
public async Task TestPull_v21Async()
{
localRegistry.PullAndPushToLocal("busybox", "busybox");
RegistryClient registryClient =
RegistryClient.CreateFactory(EventHandlers.NONE, "localhost:5000", "busybox")
.SetAllowInsecureRegistries(true)
.NewRegistryClient();
V21ManifestTemplate manifestTemplate =
await registryClient.PullManifestAsync <V21ManifestTemplate>("latest").ConfigureAwait(false);
Assert.AreEqual(1, manifestTemplate.SchemaVersion);
Assert.IsTrue(manifestTemplate.FsLayers.Count > 0);
}
public void TestRetrieveManifest_v21()
{
SystemPath cacheDirectory = temporaryFolder.NewFolder().ToPath();
SetupCachedMetadataV21(cacheDirectory);
CacheStorageFiles cacheStorageFiles = new CacheStorageFiles(cacheDirectory);
CacheStorageReader cacheStorageReader = new CacheStorageReader(cacheStorageFiles);
V21ManifestTemplate manifestTemplate =
(V21ManifestTemplate)
cacheStorageReader
.RetrieveMetadata(ImageReference.Of("test", "image", "tag"))
.Get()
.GetManifest();
Assert.AreEqual(1, manifestTemplate.SchemaVersion);
}
public async Task TestWriteMetadata_v21Async()
{
SystemPath manifestJsonFile =
Paths.Get(TestResources.GetResource("core/json/v21manifest.json").ToURI());
V21ManifestTemplate manifestTemplate =
JsonTemplateMapper.ReadJsonFromFile <V21ManifestTemplate>(manifestJsonFile);
ImageReference imageReference = ImageReference.Parse("image.reference/project/thing:tag");
await new CacheStorageWriter(cacheStorageFiles).WriteMetadataAsync(imageReference, manifestTemplate).ConfigureAwait(false);
SystemPath savedManifestPath =
cacheRoot.Resolve("images/image.reference/project/thing!tag/manifest.json");
Assert.IsTrue(Files.Exists(savedManifestPath));
V21ManifestTemplate savedManifest =
JsonTemplateMapper.ReadJsonFromFile <V21ManifestTemplate>(savedManifestPath);
Assert.AreEqual("amd64", savedManifest.GetContainerConfiguration().Get().Architecture);
}
public void TestFromJson()
{
// Loads the JSON string.
SystemPath jsonFile = Paths.Get(TestResources.GetResource("core/json/v21manifest.json").ToURI());
// Deserializes into a manifest JSON object.
V21ManifestTemplate manifestJson =
JsonTemplateMapper.ReadJsonFromFile <V21ManifestTemplate>(jsonFile);
Assert.AreEqual(
DescriptorDigest.FromDigest(
"sha256:8c662931926fa990b41da3c9f42663a537ccd498130030f9149173a0493832ad"),
manifestJson.FsLayers[0].GetDigest());
ContainerConfigurationTemplate containerConfiguration =
manifestJson.GetContainerConfiguration().OrElse(null);
Assert.AreEqual(
new[] { "JAVA_HOME=/opt/openjdk", "PATH=/opt/openjdk/bin" },
containerConfiguration.GetContainerEnvironment());
Assert.AreEqual(
new[] { "/opt/openjdk/bin/java" }, containerConfiguration.GetContainerEntrypoint());
}
public void TestToImage_v21()
{
// Loads the JSON string.
SystemPath jsonFile =
Paths.Get(TestResources.GetResource("core/json/v21manifest.json").ToURI());
// Deserializes into a manifest JSON object.
V21ManifestTemplate manifestTemplate =
JsonTemplateMapper.ReadJsonFromFile <V21ManifestTemplate>(jsonFile);
Image image = JsonToImageTranslator.ToImage(manifestTemplate);
IList <ILayer> layers = image.GetLayers();
Assert.AreEqual(2, layers.Count);
Assert.AreEqual(
DescriptorDigest.FromDigest(
"sha256:5bd451067f9ab05e97cda8476c82f86d9b69c2dffb60a8ad2fe3723942544ab3"),
layers[0].GetBlobDescriptor().GetDigest());
Assert.AreEqual(
DescriptorDigest.FromDigest(
"sha256:8c662931926fa990b41da3c9f42663a537ccd498130030f9149173a0493832ad"),
layers[1].GetBlobDescriptor().GetDigest());
}
/**
* Pulls the base image.
*
* @param registryAuthorization authentication credentials to possibly use
* @param progressEventDispatcher the {@link ProgressEventDispatcher} for emitting {@link
* ProgressEvent}s
* @return the pulled image
* @throws IOException when an I/O exception occurs during the pulling
* @throws RegistryException if communicating with the registry caused a known error
* @throws LayerCountMismatchException if the manifest and configuration contain conflicting layer
* information
* @throws LayerPropertyNotFoundException if adding image layers fails
* @throws BadContainerConfigurationFormatException if the container configuration is in a bad
* format
*/
private async Task <Image> PullBaseImageAsync(
Authorization registryAuthorization,
ProgressEventDispatcher progressEventDispatcher)
{
RegistryClient registryClient =
buildConfiguration
.NewBaseImageRegistryClientFactory()
.SetAuthorization(registryAuthorization)
.NewRegistryClient();
IManifestTemplate manifestTemplate =
await registryClient.PullManifestAsync(buildConfiguration.GetBaseImageConfiguration().GetImageTag()).ConfigureAwait(false);
// TODO: Make schema version be enum.
switch (manifestTemplate.SchemaVersion)
{
case 1:
V21ManifestTemplate v21ManifestTemplate = (V21ManifestTemplate)manifestTemplate;
await buildConfiguration
.GetBaseImageLayersCache()
.WriteMetadataAsync(
buildConfiguration.GetBaseImageConfiguration().GetImage(), v21ManifestTemplate).ConfigureAwait(false);
return(JsonToImageTranslator.ToImage(v21ManifestTemplate));
case 2:
IBuildableManifestTemplate buildableManifestTemplate =
(IBuildableManifestTemplate)manifestTemplate;
if (buildableManifestTemplate.GetContainerConfiguration() == null ||
buildableManifestTemplate.GetContainerConfiguration().Digest == null)
{
throw new UnknownManifestFormatException(
"Invalid container configuration in Docker V2.2/OCI manifest: \n"
+ JsonTemplateMapper.ToUtf8String(buildableManifestTemplate));
}
DescriptorDigest containerConfigurationDigest =
buildableManifestTemplate.GetContainerConfiguration().Digest;
using (ThrottledProgressEventDispatcherWrapper progressEventDispatcherWrapper =
new ThrottledProgressEventDispatcherWrapper(
progressEventDispatcher.NewChildProducer(),
"pull container configuration " + containerConfigurationDigest))
{
string containerConfigurationString =
await Blobs.WriteToStringAsync(
registryClient.PullBlob(
containerConfigurationDigest,
progressEventDispatcherWrapper.SetProgressTarget,
progressEventDispatcherWrapper.DispatchProgress)).ConfigureAwait(false);
ContainerConfigurationTemplate containerConfigurationTemplate =
JsonTemplateMapper.ReadJson <ContainerConfigurationTemplate>(
containerConfigurationString);
await buildConfiguration
.GetBaseImageLayersCache()
.WriteMetadataAsync(
buildConfiguration.GetBaseImageConfiguration().GetImage(),
buildableManifestTemplate,
containerConfigurationTemplate).ConfigureAwait(false);
return(JsonToImageTranslator.ToImage(
buildableManifestTemplate, containerConfigurationTemplate));
}
}
throw new InvalidOperationException(Resources.PullBaseImageStepUnknownManifestErrorMessage);
}
/**
* Saves a V2.1 image manifest.
*
* @param imageReference the image reference to save the manifest and container configuration for
* @param manifestTemplate the V2.1 manifest
* @throws IOException if an I/O exception occurs
*/
public async Task WriteMetadataAsync(IImageReference imageReference, V21ManifestTemplate manifestTemplate)
{
await cacheStorageWriter.WriteMetadataAsync(imageReference, manifestTemplate).ConfigureAwait(false);
}
