Add Seq to WebStatus

src/Web/WebStatus/Program.cs

@@ -3,35 +3,85 @@ using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 using Serilog;
+using System;
 using System.IO;
 
 namespace WebStatus
 {
     public class Program
     {
-        public static void Main(string[] args)
+        public static readonly string AppName = typeof(Program).Namespace;
+        public static readonly string ShortAppName = AppName.Substring(AppName.LastIndexOf('.', AppName.LastIndexOf('.') - 1) + 1);
+
+        public static int Main(string[] args)
         {
-            BuildWebHost(args).Run();
+            var configuration = GetConfiguration();
+
+            Log.Logger = CreateSerilogLogger(configuration);
+
+            try
+            {
+                Log.Information("Configuring web host ({Application})...", AppName);
+                var host = BuildWebHost(configuration, args);
+
+                Log.Information("Starting web host ({Application})...", AppName);
+                host.Run();
+
+                return 0;
+            }
+            catch (Exception ex)
+            {
+                Log.Fatal(ex, "Program terminated unexpectedly ({Application})!", AppName);
+                return 1;
+            }
+            finally
+            {
+                Log.CloseAndFlush();
+            }
         }
 
-        public static IWebHost BuildWebHost(string[] args) =>
+        private static IWebHost BuildWebHost(IConfiguration configuration, string[] args) =>
             WebHost.CreateDefaultBuilder(args)
-                .UseContentRoot(Directory.GetCurrentDirectory())
-                .UseStartup<Startup>()                
-                .ConfigureLogging((hostingContext, builder) =>
-                {
-                    builder.AddConfiguration(hostingContext.Configuration.GetSection("Logging"));
-                    builder.AddConsole();
-                    builder.AddDebug();
-                })
+                .CaptureStartupErrors(false)
+                .UseStartup<Startup>()
                 .UseApplicationInsights()
-                .UseSerilog((builderContext, config) =>
-                {
-                    config
-                        .MinimumLevel.Information()
-                        .Enrich.FromLogContext()
-                        .WriteTo.Console();
-                })
+                .UseContentRoot(Directory.GetCurrentDirectory())
+                .UseConfiguration(configuration)
+                .UseSerilog()
                 .Build();
+
+        private static Serilog.ILogger CreateSerilogLogger(IConfiguration configuration)
+        {
+            var seqServerUrl = configuration["Serilog:SeqServerUrl"];
+
+            return new LoggerConfiguration()
+                .MinimumLevel.Verbose()
+                .Enrich.WithProperty("Application", AppName)
+                .Enrich.FromLogContext()
+                .WriteTo.Console()
+                .WriteTo.Seq(string.IsNullOrWhiteSpace(seqServerUrl) ? "http://seq" : seqServerUrl)
+                .ReadFrom.Configuration(configuration)
+                .CreateLogger();
+        }
+
+        private static IConfiguration GetConfiguration()
+        {
+            var builder = new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
+                .AddEnvironmentVariables();
+
+            var config = builder.Build();
+
+            if (config.GetValue<bool>("UseVault", false))
+            {
+                builder.AddAzureKeyVault(
+                    $"https://{config["Vault:Name"]}.vault.azure.net/",
+                    config["Vault:ClientId"],
+                    config["Vault:ClientSecret"]);
+            }
+
+            return builder.Build();
+        }
     }
-}
+}

src/Web/WebStatus/Startup.cs

@@ -39,8 +39,8 @@ namespace WebStatus
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
         public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
         {
-            loggerFactory.AddAzureWebAppDiagnostics();
-            loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace);
+            //loggerFactory.AddAzureWebAppDiagnostics();
+            //loggerFactory.AddApplicationInsights(app.ApplicationServices, LogLevel.Trace);
 
             if (env.IsDevelopment())
             {

src/Web/WebStatus/WebStatus.csproj

@@ -18,13 +18,16 @@
     <PackageReference Include="Microsoft.ApplicationInsights.DependencyCollector" Version="2.6.1" />
     <PackageReference Include="Microsoft.ApplicationInsights.Kubernetes" Version="1.0.0-beta8" />
     <PackageReference Include="Microsoft.ApplicationInsights.ServiceFabric" Version="2.1.1-beta1" />
+    <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics.HealthChecks" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.AzureAppServices" Version="2.2.0-preview3-35497" />
-    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Logging.AzureAppServices" Version="2.1.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.AzureKeyVault" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.AzureAppServices" Version="2.2.0" />
     <PackageReference Include="Microsoft.Web.LibraryManager.Build" Version="1.0.163" />
     <PackageReference Include="Serilog.AspNetCore" Version="2.1.1" />
+    <PackageReference Include="Serilog.Enrichers.Environment" Version="2.1.2" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="3.0.1" />
     <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
+    <PackageReference Include="Serilog.Sinks.Seq" Version="4.0.0" />
   </ItemGroup>
 
 </Project>

src/Web/WebStatus/appsettings.json

@@ -70,6 +70,16 @@
         "Uri": "http://localhost:5121/hc"
       }
     ],
+  "Serilog": {
+    "SeqServerUrl": null,
+    "MinimumLevel": {
+      "Default": "Information",
+      "Override": {
+        "Microsoft": "Warning",
+        "Microsoft.eShopOnContainers": "Information",
+        "System": "Warning"
+      }
+    }
     "Webhooks": [
       {
         "Name": "",