public static async Task GenerateTemplateImageAsync(ImageInfo imageInfo, string accessToken, string templateFilePath)
{
AzureContainerRegistryClient acrClient = new AzureContainerRegistryClient(imageInfo.Registry, new AcrBasicToken(accessToken));
int schemaV2 = 2;
string mediatypeV2Manifest = "application/vnd.docker.distribution.manifest.v2+json";
string mediatypeV1Manifest = "application/vnd.oci.image.config.v1+json";
string emptyConfigStr = "{}";
// Upload config blob
byte[] originalConfigBytes = Encoding.UTF8.GetBytes(emptyConfigStr);
using var originalConfigStream = new MemoryStream(originalConfigBytes);
string originalConfigDigest = ComputeDigest(originalConfigStream);
await UploadBlob(acrClient, originalConfigStream, imageInfo.ImageName, originalConfigDigest);
// Upload memory blob
List <Descriptor> layers = new List <Descriptor>();
using FileStream fileStream = File.OpenRead(templateFilePath);
using MemoryStream byteStream = new MemoryStream();
fileStream.CopyTo(byteStream);
var blobLength = byteStream.Length;
string blobDigest = ComputeDigest(byteStream);
await UploadBlob(acrClient, byteStream, imageInfo.ImageName, blobDigest);
layers.Add(new Descriptor("application/vnd.oci.image.layer.v1.tar", blobLength, blobDigest));
// Push manifest
var v2Manifest = new V2Manifest(schemaV2, mediatypeV2Manifest, new Descriptor(mediatypeV1Manifest, originalConfigBytes.Length, originalConfigDigest), layers);
await acrClient.Manifests.CreateAsync(imageInfo.ImageName, imageInfo.Tag, v2Manifest);
}
private async Task PushTemplateSet(ContainerRegistryInfo registry, string repository, string tag)
{
AzureContainerRegistryClient acrClient = new AzureContainerRegistryClient(registry.Server, new AcrBasicToken(registry));
int schemaV2 = 2;
string mediatypeV2Manifest = "application/vnd.docker.distribution.manifest.v2+json";
string mediatypeV1Manifest = "application/vnd.oci.image.config.v1+json";
string emptyConfigStr = "{}";
// Upload config blob
byte[] originalConfigBytes = Encoding.UTF8.GetBytes(emptyConfigStr);
using var originalConfigStream = new MemoryStream(originalConfigBytes);
string originalConfigDigest = ComputeDigest(originalConfigStream);
await UploadBlob(acrClient, originalConfigStream, repository, originalConfigDigest);
// Upload memory blob
using Stream byteStream = Samples.GetDefaultConversionTemplates();
var blobLength = byteStream.Length;
string blobDigest = ComputeDigest(byteStream);
await UploadBlob(acrClient, byteStream, repository, blobDigest);
// Push manifest
List <Descriptor> layers = new List <Descriptor>
{
new Descriptor("application/vnd.oci.image.layer.v1.tar", blobLength, blobDigest),
};
var v2Manifest = new V2Manifest(schemaV2, mediatypeV2Manifest, new Descriptor(mediatypeV1Manifest, originalConfigBytes.Length, originalConfigDigest), layers);
await acrClient.Manifests.CreateAsync(repository, tag, v2Manifest);
}
/// <summary>
/// Uploads a specified image layer by layer from another local repository (Within the specific registry)
/// </summary>
private static async Task BuildImageInRepoAfterDownload(string origin, string output, string outputTag, AzureContainerRegistryClient client, CancellationToken ct)
{
V2Manifest manifest = (V2Manifest)await client.GetManifestAsync(origin, outputTag, "application/vnd.docker.distribution.manifest.v2+json", ct);
var listOfActions = new List <Action>();
// Acquire and upload all layers
for (int i = 0; i < manifest.Layers.Count; i++)
{
var cur = i;
listOfActions.Add(() =>
{
var progress = new ProgressBar(3);
progress.Refresh(0, "Starting");
var layer = client.GetBlobAsync(origin, manifest.Layers[cur].Digest).GetAwaiter().GetResult();
progress.Next("Downloading " + manifest.Layers[cur].Digest + " layer from " + origin);
string digestLayer = UploadLayer(layer, output, client).GetAwaiter().GetResult();
progress.Next("Uploading " + manifest.Layers[cur].Digest + " layer to " + output);
manifest.Layers[cur].Digest = digestLayer;
progress.Next("Uploaded " + manifest.Layers[cur].Digest + " layer to " + output);
});
}
// Acquire config Blob
listOfActions.Add(() =>
{
var progress = new ProgressBar(3);
progress.Next("Downloading config blob from " + origin);
var configBlob = client.GetBlobAsync(origin, manifest.Config.Digest).GetAwaiter().GetResult();
progress.Next("Uploading config blob to " + output);
string digestConfig = UploadLayer(configBlob, output, client).GetAwaiter().GetResult();
progress.Next("Uploaded config blob to " + output);
manifest.Config.Digest = digestConfig;
});
var options = new ParallelOptions {
MaxDegreeOfParallelism = MaxParallel
};
Parallel.Invoke(options, listOfActions.ToArray());
Console.WriteLine("Pushing new manifest to " + output + ":" + outputTag);
await client.CreateManifestAsync(output, outputTag, manifest, ct);
Console.WriteLine("Successfully created " + output + ":" + outputTag);
}
private static async Task CopyBaseImageLayers(ImageRef origin, ImageRef output, bool includeConfig)
{
AzureContainerRegistryClient originClient;
if (!string.IsNullOrEmpty(origin.Username))
{
var originCredentials = new AcrClientCredentials(AcrClientCredentials.LoginMode.Basic, origin.Registry, origin.Username, origin.Password);
originClient = new AzureContainerRegistryClient(originCredentials)
{
LoginUri = origin.Registry
};
}
else
{
originClient = new AzureContainerRegistryClient(new TokenCredentials())
{
LoginUri = "https://" + origin.Registry
};
}
var outputCredentials = new AcrClientCredentials(AcrClientCredentials.LoginMode.Basic, output.Registry, output.Username, output.Password);
var outputClient = new AzureContainerRegistryClient(outputCredentials)
{
LoginUri = "https://" + output.Registry
};
V2Manifest manifest = (V2Manifest)await originClient.GetManifestAsync(origin.Repository, origin.Tag, "application/vnd.docker.distribution.manifest.v2+json");
var listOfActions = new List <Action>();
// Acquire and upload all layers
for (int i = 0; i < manifest.Layers.Count; i++)
{
var cur = i;
listOfActions.Add(() =>
{
var progress = new ProgressBar(3);
progress.Refresh(0, "Starting");
var layer = originClient.GetBlobAsync(origin.Repository, manifest.Layers[cur].Digest).GetAwaiter().GetResult();
progress.Next("Downloading " + manifest.Layers[cur].Digest + " layer from " + origin);
string digestLayer = UploadLayer(layer, output.Repository, outputClient).GetAwaiter().GetResult();
progress.Next("Uploading " + manifest.Layers[cur].Digest + " layer to " + output.Repository);
progress.Next("Uploaded " + manifest.Layers[cur].Digest + " layer to " + output.Repository);
});
}
if (includeConfig)
{
// Acquire config Blob
listOfActions.Add(() =>
{
var progress = new ProgressBar(3);
progress.Next("Downloading config blob from " + origin.Repository);
var configBlob = originClient.GetBlobAsync(origin.Repository, manifest.Config.Digest).GetAwaiter().GetResult();
progress.Next("Uploading config blob to " + output.Repository);
string digestConfig = UploadLayer(configBlob, output.Repository, outputClient).GetAwaiter().GetResult();
progress.Next("Uploaded config blob to " + output);
});
}
var options = new ParallelOptions {
MaxDegreeOfParallelism = MaxParallel
};
Parallel.Invoke(options, listOfActions.ToArray());
}
