NuGet.Server/NuGetServer1/App_Start/NuGetODataConfig.cs

using System.Net.Http;
using System.Web.Http;
using System.Web.Http.ExceptionHandling;
using System.Web.Http.Routing;
using NuGet.Server;
using NuGet.Server.Infrastructure;
using NuGet.Server.V2;

[assembly: WebActivatorEx.PreApplicationStartMethod(typeof(NuGetServer1.App_Start.NuGetODataConfig), "Start")]

namespace NuGetServer1.App_Start 
{
    public static class NuGetODataConfig 
    {
        public static void Start() 
        {
            ServiceResolver.SetServiceResolver(new DefaultServiceResolver());

            var config = GlobalConfiguration.Configuration;

            NuGetV2WebApiEnabler.UseNuGetV2WebApiFeed(
                config,
                "NuGetDefault",
                "nuget",
                "PackagesOData",
                enableLegacyPushRoute: true);

            config.Services.Replace(typeof(IExceptionLogger), new TraceExceptionLogger());

            // Trace.Listeners.Add(new TextWriterTraceListener(HostingEnvironment.MapPath("~/NuGet.Server.log")));
            // Trace.AutoFlush = true;

            config.Routes.MapHttpRoute(
                name: "NuGetDefault_ClearCache",
                routeTemplate: "nuget/clear-cache",
                defaults: new { controller = "PackagesOData", action = "ClearCache" },
                constraints: new { httpMethod = new HttpMethodConstraint(HttpMethod.Get) }
            );

        }
    }
}