Решетников Павел ФТ-402

Dockerfile

@@ -0,0 +1,15 @@
+FROM mcr.microsoft.com/dotnet/sdk:8.0@sha256:35792ea4ad1db051981f62b313f1be3b46b1f45cadbaa3c288cd0d3056eefb83 AS build-env
+WORKDIR /App
+
+# Copy everything
+COPY . ./
+# Restore as distinct layers
+RUN dotnet restore WeatherApp.sln
+# Build and publish a release
+RUN dotnet publish -c Release -o out WeatherApp.sln
+
+# Build runtime image
+FROM mcr.microsoft.com/dotnet/aspnet:8.0@sha256:6c4df091e4e531bb93bdbfe7e7f0998e7ced344f54426b7e874116a3dc3233ff
+WORKDIR /App
+COPY --from=build-env /App/out .
+ENTRYPOINT ["./telemetry"]

Metrics.cs

@@ -0,0 +1,23 @@
+using System.Diagnostics.Metrics;
+
+namespace telemetry;
+
+public class Metrics
+{
+    private readonly Counter<int> indexRequestsCount;
+    private readonly Histogram<double> indexRequestsTime;
+	public const string Meter = nameof(Metrics);
+
+    public Metrics(IMeterFactory meterFactory)
+    {
+        var meter = meterFactory.Create(Meter);
+        indexRequestsCount = meter.CreateCounter<int>("requests.index.count", "pcs", "Количество запросов");
+        indexRequestsTime = meter.CreateHistogram<double>("requests.index.time", "ms", "Время запроса к index");
+    }
+
+    public void RequestToIndex(TimeSpan elapsed)
+    {
+        indexRequestsCount.Add(1);
+        indexRequestsTime.Record(elapsed.TotalMilliseconds);
+    }
+}

Pages/Index.cshtml.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
 
@@ -6,14 +7,22 @@ namespace telemetry.Pages;
 public class IndexModel : PageModel
 {
     private readonly ILogger<IndexModel> _logger;
+    private readonly Metrics _metrics;
 
-    public IndexModel(ILogger<IndexModel> logger)
+    public IndexModel(ILogger<IndexModel> logger, Metrics metrics)
     {
         _logger = logger;
+        _metrics = metrics;
     }
 
     public void OnGet()
     {
-
+        var sw = Stopwatch.StartNew();
+        for (var i = 0; i < new Random().Next(0, 100); i++)
+        {
+            Console.Write("1");
+        }
+        sw.Stop();
+        _metrics.RequestToIndex(sw.Elapsed);
     }
 }

Program.cs

@@ -1,8 +1,35 @@
+using OpenTelemetry.Logs;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Resources;
+using OpenTelemetry.Trace;
+using telemetry;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 builder.Services.AddRazorPages();
 
+builder.Logging.AddOpenTelemetry(options =>
+{
+    options
+        .SetResourceBuilder(
+            ResourceBuilder.CreateDefault()
+                .AddService("TelemetryExample"))
+        .AddConsoleExporter();
+});
+builder.Services.AddOpenTelemetry()
+    .ConfigureResource(resource => resource.AddService("TelemetryExample"))
+    .WithTracing(tracing => tracing
+        .AddAspNetCoreInstrumentation()
+        .AddConsoleExporter())
+    .WithMetrics(metrics => metrics
+        .AddPrometheusExporter()
+        .AddAspNetCoreInstrumentation()
+        .AddConsoleExporter()
+		.AddMeter(Metrics.Meter));
+
+builder.Services.AddSingleton<Metrics>();
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
@@ -22,4 +49,6 @@
 
 app.MapRazorPages();
 
+app.UseOpenTelemetryPrometheusScrapingEndpoint();
+
 app.Run();

README.md

@@ -111,6 +111,7 @@ services:
 Создай рядом с `compose.yaml` файл `prometheus.yml` с содержимым
 
 ```yaml
+scrape_configs:
  - job_name: "prometheus"
   # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: 5s
@@ -215,4 +216,4 @@ for (var i = 0; i < new Random().Next(0, 100); i++)
 sw.Stop();
 _metrics.RequestToIndex(sw.Elapsed);
 ```
-Запусти приложение и посмотри в endpoint'е `/metrics` свои метрики.
+Запусти приложение и посмотри в endpoint'е `/metrics` свои метрики.

compose.yaml

@@ -0,0 +1,24 @@
+services:
+  prometheus:
+    image: "prom/prometheus"
+    ports:
+      - "9090:9090"
+    volumes:
+      - "./prometheus.yml:/etc/prometheus/prometheus.yml"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+
+  grafana:
+    image: "grafana/grafana-oss"
+    ports:
+      - "3000:3000"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+
+  server:
+    build: .
+    ports:
+      - "5149:5149"
+      - "9000:9000"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"

logs

@@ -0,0 +1,91 @@
+Building...
+info: Microsoft.Hosting.Lifetime[14]
+      Now listening on: http://localhost:5149
+LogRecord.Timestamp:               2024-11-19T10:49:38.2320330Z
+LogRecord.CategoryName:            Microsoft.Hosting.Lifetime
+LogRecord.Severity:                Info
+LogRecord.SeverityText:            Information
+LogRecord.Body:                    Now listening on: {address}
+LogRecord.Attributes (Key:Value):
+    address: http://localhost:5149
+    OriginalFormat (a.k.a Body): Now listening on: {address}
+LogRecord.EventId:                 14
+LogRecord.EventName:               ListeningOnAddress
+
+Resource associated with LogRecord:
+service.name: TelemetryExample
+service.instance.id: 6f6f22d0-8012-45b4-befd-a177eafae2bc
+telemetry.sdk.name: opentelemetry
+telemetry.sdk.language: dotnet
+telemetry.sdk.version: 1.10.0
+
+info: Microsoft.Hosting.Lifetime[0]
+      Application started. Press Ctrl+C to shut down.
+LogRecord.Timestamp:               2024-11-19T10:49:38.2432820Z
+LogRecord.CategoryName:            Microsoft.Hosting.Lifetime
+LogRecord.Severity:                Info
+LogRecord.SeverityText:            Information
+LogRecord.Body:                    Application started. Press Ctrl+C to shut down.
+LogRecord.Attributes (Key:Value):
+    OriginalFormat (a.k.a Body): Application started. Press Ctrl+C to shut down.
+
+Resource associated with LogRecord:
+service.name: TelemetryExample
+service.instance.id: 6f6f22d0-8012-45b4-befd-a177eafae2bc
+telemetry.sdk.name: opentelemetry
+telemetry.sdk.language: dotnet
+telemetry.sdk.version: 1.10.0
+
+LogRecord.Timestamp:               2024-11-19T10:49:38.2439978Z
+LogRecord.CategoryName:            Microsoft.Hosting.Lifetime
+LogRecord.Severity:                Info
+LogRecord.SeverityText:            Information
+LogRecord.Body:                    Hosting environment: {EnvName}
+LogRecord.Attributes (Key:Value):
+info: Microsoft.Hosting.Lifetime[0]
+      Hosting environment: Development
+    EnvName: Development
+    OriginalFormat (a.k.a Body): Hosting environment: {EnvName}
+
+Resource associated with LogRecord:
+service.name: TelemetryExample
+service.instance.id: 6f6f22d0-8012-45b4-befd-a177eafae2bc
+telemetry.sdk.name: opentelemetry
+telemetry.sdk.language: dotnet
+telemetry.sdk.version: 1.10.0
+
+info: Microsoft.Hosting.Lifetime[0]
+      Content root path: /home/pavelresh/college/kontur-backend/telemetry
+LogRecord.Timestamp:               2024-11-19T10:49:38.2441789Z
+LogRecord.CategoryName:            Microsoft.Hosting.Lifetime
+LogRecord.Severity:                Info
+LogRecord.SeverityText:            Information
+LogRecord.Body:                    Content root path: {ContentRoot}
+LogRecord.Attributes (Key:Value):
+    ContentRoot: /home/pavelresh/college/kontur-backend/telemetry
+    OriginalFormat (a.k.a Body): Content root path: {ContentRoot}
+
+Resource associated with LogRecord:
+service.name: TelemetryExample
+service.instance.id: 6f6f22d0-8012-45b4-befd-a177eafae2bc
+telemetry.sdk.name: opentelemetry
+telemetry.sdk.language: dotnet
+telemetry.sdk.version: 1.10.0
+
+info: Microsoft.Hosting.Lifetime[0]
+      Application is shutting down...
+LogRecord.Timestamp:               2024-11-19T10:49:49.4908074Z
+LogRecord.CategoryName:            Microsoft.Hosting.Lifetime
+LogRecord.Severity:                Info
+LogRecord.SeverityText:            Information
+LogRecord.Body:                    Application is shutting down...
+LogRecord.Attributes (Key:Value):
+    OriginalFormat (a.k.a Body): Application is shutting down...
+
+Resource associated with LogRecord:
+service.name: TelemetryExample
+service.instance.id: 6f6f22d0-8012-45b4-befd-a177eafae2bc
+telemetry.sdk.name: opentelemetry
+telemetry.sdk.language: dotnet
+telemetry.sdk.version: 1.10.0
+

prometheus.yml

@@ -0,0 +1,6 @@
+scrape_configs:
+  - job_name: "prometheus"
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+    static_configs:
+        - targets: [ "host.docker.internal:5149" ]

telemetry.csproj

@@ -6,4 +6,14 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="OpenTelemetry" Version="1.10.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.Console" Version="1.10.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.10.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.Prometheus.AspNetCore" Version="1.10.0-beta.1" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.10.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.9.0" />
+  </ItemGroup>
+
 </Project>