init commit

LearnCollectInst.Api/Controllers/WeatherForecastController.cs

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+using LearnCollectInst.Api.Model;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LearnCollectInst.Api.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class WeatherForecastController : ControllerBase
+    {
+        private static readonly string[] Summaries = new[]
+        {
+        "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+    };
+
+        private readonly ILogger<WeatherForecastController> _logger;
+
+        public WeatherForecastController(ILogger<WeatherForecastController> logger)
+        {
+            _logger = logger;
+        }
+
+        [HttpGet(Name = "GetWeatherForecast")]
+        public IEnumerable<WeatherForecast> Get()
+        {
+            _logger.LogInformation("Weather forecast list started");
+
+            var result = Enumerable.Range(1, 5).Select(index => new WeatherForecast
+            {
+                Date = DateTime.Now.AddDays(index),
+                TemperatureC = Random.Shared.Next(-20, 55),
+                Summary = Summaries[Random.Shared.Next(Summaries.Length)]
+            })
+            .ToArray();
+
+            // PLAYGROUND:
+            //throw new ArgumentException("some induced error");
+
+            _logger.LogWarning("Weather forecast list was generated", result.Length);
+            return result;
+        }
+    }
+}

LearnCollectInst.Api/Dockerfile

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+#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+FROM mcr.microsoft.com/dotnet/aspnet:6.0 AS base
+WORKDIR /app
+EXPOSE 80
+EXPOSE 443
+
+FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
+WORKDIR /src
+COPY ["LearnCollectInst.Api/LearnCollectInst.Api.csproj", "LearnCollectInst.Api/"]
+RUN dotnet restore "LearnCollectInst.Api/LearnCollectInst.Api.csproj"
+COPY . .
+WORKDIR "/src/LearnCollectInst.Api"
+RUN dotnet build "LearnCollectInst.Api.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "LearnCollectInst.Api.csproj" -c Release -o /app/publish /p:UseAppHost=false
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "LearnCollectInst.Api.dll"]

LearnCollectInst.Api/LearnCollectInst.Api.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UserSecretsId>7d6d27cc-c904-4577-8fa3-cbcb1c306626</UserSecretsId>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+    <DockerComposeProjectPath>..\docker-compose.dcproj</DockerComposeProjectPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.17.0" />
+    <PackageReference Include="OpenTelemetry" Version="1.4.0-beta.1" />
+    <PackageReference Include="OpenTelemetry.Exporter.Console" Version="1.4.0-beta.1" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.4.0-beta.1" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol.Logs" Version="1.4.0-beta.1" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.0.0-rc9.7" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.0.0-rc9.7" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.0.0-rc9.7" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.0.0" />
+    <PackageReference Include="OpenTelemetry.Instrumentation.SqlClient" Version="1.0.0-rc9.7" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
+  </ItemGroup>
+
+</Project>

LearnCollectInst.Api/Model/WeatherForecast.cs

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+namespace LearnCollectInst.Api.Model
+{
+    public class WeatherForecast
+    {
+        public DateTime Date { get; set; }
+
+        public int TemperatureC { get; set; }
+
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+        public string? Summary { get; set; }
+    }
+}

LearnCollectInst.Api/Program.cs

@@ -0,0 +1,91 @@
+using OpenTelemetry.Exporter;
+using OpenTelemetry.Instrumentation.AspNetCore;
+using OpenTelemetry.Logs;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Resources;
+using OpenTelemetry.Trace;
+using System.Diagnostics;
+
+// Define some important constants to initialize tracing with
+var serviceName = "LearnCollectInst.Api";
+var serviceVersion = "1.0.0";
+
+var resBuilder = ResourceBuilder.CreateDefault()
+    .AddService(serviceName: serviceName, serviceVersion: serviceVersion);
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddControllers();
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+
+// OLTP tracing
+builder.Services.AddOpenTelemetryTracing(tracerProviderBuilder =>
+{
+    tracerProviderBuilder
+    .AddConsoleExporter()
+    .AddSource(serviceName)
+    .SetResourceBuilder(resBuilder)
+    .AddHttpClientInstrumentation()
+    .AddAspNetCoreInstrumentation()
+    .AddSqlClientInstrumentation()
+    .AddOtlpExporter(config =>
+    {
+        config.Endpoint = new Uri("http://otel-collector:4317");
+    })
+    .AddConsoleExporter();
+});
+
+// OTPL metrics
+builder.Services.AddOpenTelemetryMetrics(config =>
+{
+    config.SetResourceBuilder(resBuilder);
+    config.AddRuntimeInstrumentation()
+        .AddHttpClientInstrumentation()
+        .AddAspNetCoreInstrumentation();
+    config.AddOtlpExporter(otlpOptions =>
+        {
+            otlpOptions.Endpoint = new Uri("http://otel-collector:4317");
+        }).AddConsoleExporter();
+});
+
+// OTLP logger
+builder.Host.ConfigureLogging(logging =>
+    logging.ClearProviders()
+    .AddOpenTelemetry(options =>
+    {
+        options.SetResourceBuilder(resBuilder);
+        // Export the body of the message
+        options.IncludeFormattedMessage = true;
+        options.IncludeScopes = true;
+        options.ParseStateValues = true;
+        // exporters
+        options.AddOtlpExporter(otlpOptions =>
+        {
+            otlpOptions.Endpoint = new Uri("http://otel-collector:4317");
+        })
+        .AddConsoleExporter();
+    })
+);
+
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+// if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+//app.UseHttpsRedirection();
+
+app.UseAuthorization();
+app.MapControllers();
+// app.UseHttpLogging();
+
+var MyActivitySource = new ActivitySource(serviceName);
+
+app.Run();

LearnCollectInst.Api/Properties/launchSettings.json

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+{
+  "profiles": {
+    "LearnCollectInst.Api": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "dotnetRunMessages": true,
+      "applicationUrl": "https://localhost:7090;http://localhost:5090"
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "Docker": {
+      "commandName": "Docker",
+      "launchBrowser": true,
+      "launchUrl": "{Scheme}://{ServiceHost}:{ServicePort}/swagger",
+      "publishAllPorts": true,
+      "useSSL": true
+    }
+  },
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:20591",
+      "sslPort": 44330
+    }
+  }
+}

LearnCollectInst.Api/appsettings.Development.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

LearnCollectInst.Api/appsettings.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}