Турмухамбетов Амир Иванов Стас

Pages/Index.cshtml.cs

@@ -14,6 +14,7 @@ public IndexModel(ILogger<IndexModel> logger)
 
     public void OnGet()
     {
-
+        var myName = "Амир"; // ваше имя
+        _logger.LogInformation("Sample log. My name is {MyName}", myName);
     }
 }

Program.cs

@@ -1,25 +1,81 @@
-var builder = WebApplication.CreateBuilder(args);
+using Elastic.Channels;
+using Elastic.Ingest.Elasticsearch;
+using Elastic.Ingest.Elasticsearch.DataStreams;
+using Elastic.Serilog.Sinks;
+using Elastic.Transport;
+using Serilog;
+using Serilog.Events;
+
+
+string logFilePath = Path.Combine(".logs", $"start-host-log-{DateTime.Now:yyyy-MM-dd}.txt");
+Log.Logger = new LoggerConfiguration()
+    .WriteTo.File(logFilePath, LogEventLevel.Error)
+    .WriteTo.Console()
+    .CreateLogger();
+
+Log.Information($"Starting application. Logging to: {logFilePath}");
+
+try {  
+    var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
-builder.Services.AddRazorPages();
+    builder.Services.AddRazorPages();
+    builder.Host.UseSerilog();
 
-var app = builder.Build();
+    Log.Logger = new LoggerConfiguration()
+        .WriteTo.Console()
+        .Enrich.FromLogContext()
+        .WriteTo.Elasticsearch(new []{ new Uri("http://localhost:9200")}, opts =>
+        {
+            opts.DataStream = new DataStreamName("logs", "telemetry-logging", "demo");
+            opts.BootstrapMethod = BootstrapMethod.Failure;
+            opts.ConfigureChannel = channelOpts =>
+            {
+                channelOpts.BufferOptions = new BufferOptions
+                {
+                    ExportMaxConcurrency = 10
+                };
+            };
+        }, transport =>
+        {
+            transport.Authentication(new BasicAuthentication("elastic", "changeme"));
+        })
+        .Enrich.WithProperty("Environment", builder.Environment.EnvironmentName)
+        .ReadFrom.Configuration(builder.Configuration)
+        .CreateLogger();
+
+    builder.Services.AddSerilog(Log.Logger);
+
+    var app = builder.Build();
 
 // Configure the HTTP request pipeline.
-if (!app.Environment.IsDevelopment())
-{
-    app.UseExceptionHandler("/Error");
-    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
-    app.UseHsts();
-}
+    if (!app.Environment.IsDevelopment())
+    {
+        app.UseExceptionHandler("/Error");
+        // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+        app.UseHsts();
+    }
+
+    app.UseHttpsRedirection();
 
-app.UseHttpsRedirection();
-app.UseStaticFiles();
+    app.UseSerilogRequestLogging();
 
-app.UseRouting();
+    app.UseStaticFiles();
 
-app.UseAuthorization();
+    app.UseRouting();
 
-app.MapRazorPages();
+    app.UseAuthorization();
+
+    app.MapRazorPages();
+
+    app.Run();
+}
+catch(Exception ex)
+{
+    Log.Logger.Error(ex.Message);
+}
+finally
+{
+    Log.CloseAndFlush();
+}
 
-app.Run();

appsettings.Development.json

@@ -1,9 +1 @@
-{
-  "DetailedErrors": true,
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
-  }
-}
+{}

appsettings.json

@@ -1,9 +1,29 @@
 {
-  "Logging": {
-    "LogLevel": {
+  "Serilog": {
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": ".logs/log-.txt",
+          "formatter": "Serilog.Formatting.Compact.RenderedCompactJsonFormatter, Serilog.Formatting.Compact",
+          "rollingInterval": "Day",
+          "rollOnFileSizeLimit": true
+        }
+      },
+      {
+        "Name": "Console",
+        "Args": {
+          "outputTemplate": "[{Timestamp:HH:mm:ss} {Level:u3}] {Message:lj} {Properties:j}{NewLine}{Exception}"
+        }
+      }
+    ],
+    "MinimumLevel": {
       "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
+      "Override": {
+        "Microsoft": "Warning",
+        "System": "Warning"
+      }
     }
   },
   "AllowedHosts": "*"
-}
+}

telemetry.csproj

@@ -6,4 +6,11 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Serilog.AspNetCore" Version="8.0.3" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
+    <PackageReference Include="Serilog.Enrichers.Environment" Version="3.0.1" />
+    <PackageReference Include="Elastic.Serilog.Sinks" Version="8.12.2" />
+  </ItemGroup>
+
 </Project>