public IEnumerable <string> GetTags(string repository)
{
TagList result;
try
{
result = dockerDistribution.GetTagListAsync(repository, AuthHandler.RepoPullScope(repository)).Result;
return(result?.Tags ?? Array.Empty <string>());
}
catch (AggregateException ex)
{
if (ex.InnerException is ApiException apiEx && apiEx.StatusCode == System.Net.HttpStatusCode.NotFound)
{
return(Array.Empty <string>());
}
public async Task <string> GetTagDigestAsync(string repository, string tag)
{
var result = await dockerDistribution.GetTagDigestAsync(repository, tag, AuthHandler.RepoPullScope(repository));
return(result.Headers.First(h => h.Key.Equals("Docker-Content-Digest", StringComparison.OrdinalIgnoreCase)).Value.First());
}
public async Task <Data.ImageConfig> GetImageConfigAsync(string repository, string digest)
{
var path = localClient.BlobPath(digest);
await LockedPathExecAsync(path, async() =>
{
var result = await dockerDistribution.GetStringBlobAsync(repository, digest, AuthHandler.RepoPullScope(repository));
await WriteFileAsync(path, result);
});
return(await localClient.GetImageConfigAsync(repository, digest));
}
public async Task <Stream> GetLayerArchiveAsync(string repository, string layerDigest)
{
await FetchBlobAsync(repository, layerDigest, AuthHandler.RepoPullScope(repository));
return(await localClient.GetLayerArchiveAsync(repository, layerDigest));
}
public async Task <Stream> GetFileAsync(string repository, Layer layer, string path)
{
await FetchBlobAsync(repository, layer.Digest, AuthHandler.RepoPullScope(repository));
return(await localClient.GetFileAsync(repository, layer, path));
}
public async Task <ImageSet> GetImageSetAsync(string repository, string tag)
{
string digest = tag.IsDigest() ? tag : await GetTagDigestAsync(repository, tag);
var path = localClient.BlobPath(digest);
await LockedPathExecAsync(path, async() =>
{
var result = await dockerDistribution.GetManifestAsync(repository, digest, AuthHandler.RepoPullScope(repository));
await WriteFileAsync(path, result);
});
return(await localClient.GetImageSetAsync(repository, digest));
}
public Task <ImageConfig> GetImageConfigAsync(string repository, string digest) => CacheLocalData?
ExecAsync(AuthHandler.RepoPullScope(repository), ObjectDigestKey(digest), () => innerClient.GetImageConfigAsync(repository, digest)) :
innerClient.GetImageConfigAsync(repository, digest);
public Task <Layer> GetLayerAsync(string repository, string layerDigest) => CacheLocalData?
ExecAsync(AuthHandler.RepoPullScope(repository), ObjectDigestKey(layerDigest), () => innerClient.GetLayerAsync(repository, layerDigest)) :
innerClient.GetLayerAsync(repository, layerDigest);
// these methods are normally cheap to run from disk, but in case of a high-latency filesystem (looking at you, Azure File) we can still cache them
public Task <ImageSet> GetImageSetAsync(string repository, string tag) => CacheLocalData?
ExecAsync(AuthHandler.RepoPullScope(repository), RepoImageSetKey(repository, tag), () => innerClient.GetImageSetAsync(repository, tag)) :
innerClient.GetImageSetAsync(repository, tag);
public IEnumerable <string> GetTags(string repository) => ExecAsync(AuthHandler.RepoPullScope(repository), RepoTagsKey(repository), () => Task.FromResult(innerClient.GetTags(repository))).Result;
public Task <string> GetTagDigestAsync(string repository, string tag) => ExecAsync(AuthHandler.RepoPullScope(repository), RepoTagDigestKey(repository, tag), () => innerClient.GetTagDigestAsync(repository, tag));