public static ILocalLambdaRuntime Initialize(string directory, IAWSService awsService)
{
if (!Directory.Exists(directory))
{
throw new DirectoryNotFoundException($"Directory containing built Lambda project does not exist {directory}");
}
var depsFile = Directory.GetFiles(directory, "*.deps.json").FirstOrDefault();
if (depsFile == null)
{
throw new Exception($"Failed to find a deps.json file in the specified directory ({directory})");
}
var fileName = depsFile.Substring(0, depsFile.Length - ".deps.json".Length) + ".dll";
if (!File.Exists(fileName))
{
throw new Exception($"Failed to find Lambda project entry assembly in the specified directory ({directory})");
}
// The resolver provides the ability to load the assemblies containing the select Lambda function.
var resolver = new LambdaAssemblyLoadContext(fileName);
var runtime = new LocalLambdaRuntime(resolver, directory, awsService);
return(runtime);
}
private LocalLambdaRuntime(LambdaAssemblyLoadContext lambdaContext, string lambdaAssemblyDirectory, IAWSService awsService)
{
LambdaContext = lambdaContext;
this.LambdaAssemblyDirectory = lambdaAssemblyDirectory;
this.AWSService = awsService;
}