public async Task TestWriteCompressed_retrieveByLayerDigestAsync()
{
LayersCache cache = LayersCache.WithDirectory(temporaryFolder.NewFolder().ToPath());
await VerifyIsLayer1Async(await cache.WriteCompressedLayerAsync(Compress(layerBlob1)).ConfigureAwait(false)).ConfigureAwait(false);
await VerifyIsLayer1Async(cache.Retrieve(layerDigest1).OrElseThrow(() => new AssertionException(""))).ConfigureAwait(false);
Assert.IsFalse(cache.Retrieve(layerDigest2).IsPresent());
}
public async Task <ICachedLayer> CallAsync()
{
using (ProgressEventDispatcher progressEventDispatcher =
progressEventDispatcherFactory.Create("checking base image layer " + layerDigest, 1))
using (TimerEventDispatcher ignored =
new TimerEventDispatcher(
buildConfiguration.GetEventHandlers(), string.Format(CultureInfo.CurrentCulture, Description, layerDigest)))
{
LayersCache cache = buildConfiguration.GetBaseImageLayersCache();
// Checks if the layer already exists in the cache.
Maybe <CachedLayer> optionalCachedLayer = cache.Retrieve(layerDigest);
if (optionalCachedLayer.IsPresent())
{
return(optionalCachedLayer.Get());
}
else if (buildConfiguration.IsOffline())
{
throw new IOException(
"Cannot run Fib in offline mode; local Fib cache for base image is missing image layer "
+ layerDigest
+ ". You may need to rerun Fib in online mode to re-download the base image layers.");
}
RegistryClient registryClient =
buildConfiguration
.NewBaseImageRegistryClientFactory()
.SetAuthorization(pullAuthorization)
.NewRegistryClient();
using (ThrottledProgressEventDispatcherWrapper progressEventDispatcherWrapper =
new ThrottledProgressEventDispatcherWrapper(
progressEventDispatcher.NewChildProducer(),
"pulling base image layer " + layerDigest))
{
return(await cache.WriteCompressedLayerAsync(
registryClient.PullBlob(
layerDigest,
progressEventDispatcherWrapper.SetProgressTarget,
progressEventDispatcherWrapper.DispatchProgress)).ConfigureAwait(false));
}
}
}
