[MusicStore] Move to GenericHost (#24284)

Author: Kahbazi

src/MusicStore/samples/MusicStore/Program.cs

@@ -1,72 +1,78 @@
 using System;
 using System.IO;
+using System.Threading.Tasks;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Server.HttpSys;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 
 namespace MusicStore
 {
     public static class Program
     {
-        public static void Main(string[] args)
+        public static Task Main(string[] args)
         {
             var config = new ConfigurationBuilder()
                 .AddCommandLine(args)
                 .AddEnvironmentVariables(prefix: "ASPNETCORE_")
                 .Build();
 
-            var builder = new WebHostBuilder()
-                .UseConfiguration(config)
-                .UseIISIntegration()
-                .UseStartup("MusicStore")
-                .UseDefaultServiceProvider((context, options) => {
-                    options.ValidateScopes = true;
-                });
+            var builder = new HostBuilder()
+                .ConfigureWebHost(webHostBuilder =>
+                {
+                    webHostBuilder
+                        .UseConfiguration(config)
+                        .UseIISIntegration()
+                        .UseStartup("MusicStore");
 
-            var environment = builder.GetSetting("environment") ??
+                    var environment = webHostBuilder.GetSetting("environment") ??
                     Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT");
 
-            if (string.Equals(builder.GetSetting("server"), "Microsoft.AspNetCore.Server.HttpSys", System.StringComparison.Ordinal))
-            {
-                if (string.Equals(environment, "NtlmAuthentication", System.StringComparison.Ordinal))
-                {
-                    // Set up NTLM authentication for WebListener like below.
-                    // For IIS and IISExpress: Use inetmgr to setup NTLM authentication on the application vDir or
-                    // modify the applicationHost.config to enable NTLM.
-                    builder.UseHttpSys(options =>
+                    if (string.Equals(webHostBuilder.GetSetting("server"), "Microsoft.AspNetCore.Server.HttpSys", System.StringComparison.Ordinal))
                     {
-                        options.Authentication.Schemes = AuthenticationSchemes.NTLM;
-                        options.Authentication.AllowAnonymous = false;
-                    });
-                }
-                else
-                {
-                    builder.UseHttpSys();
-                }
-            }
-            else
-            {
-                builder.UseKestrel();
-            }
+                        if (string.Equals(environment, "NtlmAuthentication", System.StringComparison.Ordinal))
+                        {
+                            // Set up NTLM authentication for WebListener like below.
+                            // For IIS and IISExpress: Use inetmgr to setup NTLM authentication on the application vDir or
+                            // modify the applicationHost.config to enable NTLM.
+                            webHostBuilder.UseHttpSys(options =>
+                            {
+                                options.Authentication.Schemes = AuthenticationSchemes.NTLM;
+                                options.Authentication.AllowAnonymous = false;
+                            });
+                        }
+                        else
+                        {
+                            webHostBuilder.UseHttpSys();
+                        }
+                    }
+                    else
+                    {
+                        webHostBuilder.UseKestrel();
+                    }
 
-            // In Proc
-            builder.UseIIS();
+                    // In Proc
+                    webHostBuilder.UseIIS();
 
-            builder.ConfigureLogging(factory =>
-            {
-                factory.AddConsole();
+                    webHostBuilder.ConfigureLogging(factory =>
+                    {
+                        factory.AddConsole();
 
-                var logLevel = string.Equals(environment, "Development", StringComparison.Ordinal) ? LogLevel.Information : LogLevel.Warning;
-                factory.SetMinimumLevel(logLevel);
+                        var logLevel = string.Equals(environment, "Development", StringComparison.Ordinal) ? LogLevel.Information : LogLevel.Warning;
+                        factory.SetMinimumLevel(logLevel);
 
-                // Turn off Info logging for EF commands
-                factory.AddFilter("Microsoft.EntityFrameworkCore.Database.Command", LogLevel.Warning);
-            });
+                        // Turn off Info logging for EF commands
+                        factory.AddFilter("Microsoft.EntityFrameworkCore.Database.Command", LogLevel.Warning);
+                    });
+                })
+                .UseDefaultServiceProvider((context, options) => {
+                    options.ValidateScopes = true;
+                });
 
             var host = builder.Build();
 
-            host.Run();
+            return host.RunAsync();
         }
     }
 }