public static async Task <LayerPackageInfo> LoadLayerPackageInfos(IToolLogger logger, IAmazonLambda lambdaClient, IAmazonS3 s3Client, IEnumerable <string> layerVersionArns)
{
var info = new LayerPackageInfo();
if (layerVersionArns == null || !layerVersionArns.Any())
{
return(info);
}
logger.WriteLine("Inspecting Lambda layers for runtime package store manifests");
foreach (var arn in layerVersionArns)
{
try
{
var p = ParseLayerVersionArn(arn);
var getLayerResponse = await lambdaClient.GetLayerVersionAsync(new GetLayerVersionRequest { LayerName = p.Name, VersionNumber = p.VersionNumber });
LayerDescriptionManifest manifest;
if (!LambdaUtilities.AttemptToParseLayerDescriptionManifest(getLayerResponse.Description, out manifest))
{
logger.WriteLine($"... {arn}: Skipped, does not contain a layer description manifest");
continue;
}
if (manifest.Nlt != LayerDescriptionManifest.ManifestType.RuntimePackageStore)
{
logger.WriteLine($"... {arn}: Skipped, layer is of type {manifest.Nlt.ToString()}, not {LayerDescriptionManifest.ManifestType.RuntimePackageStore}");
continue;
}
string filePath = Path.GetTempFileName();
using (var getResponse = await s3Client.GetObjectAsync(manifest.Buc, manifest.Key))
using (var reader = new StreamReader(getResponse.ResponseStream))
{
await getResponse.WriteResponseStreamToFileAsync(filePath, false, default(System.Threading.CancellationToken));
}
logger.WriteLine($"... {arn}: Downloaded package manifest for runtime package store layer");
info.Items.Add(new LayerPackageInfo.LayerPackageInfoItem
{
Directory = manifest.Dir,
ManifestPath = filePath
});
}
catch (Exception e)
{
logger.WriteLine($"... {arn}: Skipped, error inspecting layer. {e.Message}");
}
}
return(info);
}
private Amazon.Lambda.Model.GetLayerVersionResponse CallAWSServiceOperation(IAmazonLambda client, Amazon.Lambda.Model.GetLayerVersionRequest request)
{
Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Lambda", "GetLayerVersion");
try
{
#if DESKTOP
return(client.GetLayerVersion(request));
#elif CORECLR
return(client.GetLayerVersionAsync(request).GetAwaiter().GetResult());
#else
#error "Unknown build edition"
#endif
}
catch (AmazonServiceException exc)
{
var webException = exc.InnerException as System.Net.WebException;
if (webException != null)
{
throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException);
}
throw;
}
}