public async Task <ICachedLayer> CallAsync()
{
string description = "Building " + layerType + " layer";
buildConfiguration.GetEventHandlers().Dispatch(LogEvent.Progress(description + "..."));
using (ProgressEventDispatcher ignored =
progressEventDispatcherFactory.Create("building " + layerType + " layer", 1))
using (TimerEventDispatcher ignored2 =
new TimerEventDispatcher(buildConfiguration.GetEventHandlers(), description))
{
LayersCache cache = buildConfiguration.GetApplicationLayersCache();
// Don't build the layer if it exists already.
Maybe <CachedLayer> optionalCachedLayer =
await cache.RetrieveAsync(layerConfiguration.LayerEntries).ConfigureAwait(false);
if (optionalCachedLayer.IsPresent())
{
return(new CachedLayerWithType(optionalCachedLayer.Get(), GetLayerType()));
}
IBlob layerBlob = new ReproducibleLayerBuilder(layerConfiguration.LayerEntries).Build();
CachedLayer cachedLayer =
await cache.WriteUncompressedLayerAsync(layerBlob, layerConfiguration.LayerEntries).ConfigureAwait(false);
buildConfiguration
.GetEventHandlers()
.Dispatch(LogEvent.Debug(description + " built " + cachedLayer.GetDigest()));
return(new CachedLayerWithType(cachedLayer, GetLayerType()));
}
}
public async Task TestRetrieveWithTwoEntriesInCacheAsync()
{
LayersCache cache = LayersCache.WithDirectory(temporaryFolder.NewFolder().ToPath());
await VerifyIsLayer1Async(await cache.WriteUncompressedLayerAsync(layerBlob1, layerEntries1).ConfigureAwait(false)).ConfigureAwait(false);
await VerifyIsLayer2Async(await cache.WriteUncompressedLayerAsync(layerBlob2, layerEntries2).ConfigureAwait(false)).ConfigureAwait(false);
await VerifyIsLayer1Async(cache.Retrieve(layerDigest1).OrElseThrow(() => new AssertionException(""))).ConfigureAwait(false);
await VerifyIsLayer2Async(cache.Retrieve(layerDigest2).OrElseThrow(() => new AssertionException(""))).ConfigureAwait(false);
Maybe <CachedLayer> cachedLayer1 = await cache.RetrieveAsync(layerEntries1).ConfigureAwait(false);
await VerifyIsLayer1Async(cachedLayer1.OrElseThrow(() => new AssertionException(""))).ConfigureAwait(false);
Maybe <CachedLayer> cachedLayer2 = await cache.RetrieveAsync(layerEntries2).ConfigureAwait(false);
await VerifyIsLayer2Async(cachedLayer2.OrElseThrow(() => new AssertionException(""))).ConfigureAwait(false);
}
public async Task TestWriteUncompressedWithLayerEntries_retrieveByLayerDigestAsync()
{
LayersCache cache = LayersCache.WithDirectory(temporaryFolder.NewFolder().ToPath());
await VerifyIsLayer1Async(await cache.WriteUncompressedLayerAsync(layerBlob1, layerEntries1).ConfigureAwait(false)).ConfigureAwait(false);
await VerifyIsLayer1Async(cache.Retrieve(layerDigest1).OrElseThrow(() => new AssertionException(""))).ConfigureAwait(false);
Assert.IsFalse(cache.Retrieve(layerDigest2).IsPresent());
}
public async Task TestWriteUncompressedWithLayerEntries_retrieveByLayerEntriesAsync()
{
LayersCache cache = LayersCache.WithDirectory(temporaryFolder.NewFolder().ToPath());
await VerifyIsLayer1Async(await cache.WriteUncompressedLayerAsync(layerBlob1, layerEntries1).ConfigureAwait(false)).ConfigureAwait(false);
Maybe <CachedLayer> layer = await cache.RetrieveAsync(layerEntries1).ConfigureAwait(false);
await VerifyIsLayer1Async(layer.OrElseThrow(() => new AssertionException(""))).ConfigureAwait(false);
Assert.IsFalse(cache.Retrieve(layerDigest2).IsPresent());
// A source file modification results in the cached layer to be out-of-date and not retrieved.
Files.SetLastModifiedTime(
layerEntries1[0].SourceFile, FileTime.From(SystemClock.Instance.GetCurrentInstant() + Duration.FromSeconds(1)));
Maybe <CachedLayer> outOfDateLayer = await cache.RetrieveAsync(layerEntries1).ConfigureAwait(false);
Assert.IsFalse(outOfDateLayer.IsPresent());
}
