Grafana & Loki

! Grafana & Loki

~

.gitignore

**/bin/
**/obj/

infra-setup-infra-docker.ps1

docker run --name gdt-grafana -d -p 3000:3000 grafana/grafana
docker run --name gdt-loki -d -p 3100:3100 grafana/loki 

infra-setup-infra-podman.ps1

podman network create gdt-net

podman run --network gdt-net --name gdt-grafana -d -p 3000:3000 grafana/grafana
podman run --network gdt-net --name gdt-loki -d -p 3100:3100 grafana/loki 

Program.cs

using System;
using System.Runtime.CompilerServices;
using Serilog;
using Serilog.Context;
using Serilog.Sinks.Grafana.Loki;

class Program
{   
    const string facility = "gdt-tracing-consoleapp";

    static async Task Main(string[] args)
    {
        // Create a "facility" label to group all our logs under
        var facilityLabel = new LokiLabel() { 
            Key = "facility", 
            Value = facility };

        // Setup Logger with Console & Loki sinks (outputs)
        Log.Logger = new LoggerConfiguration()
            .Enrich.FromLogContext()
            .WriteTo.Console()
            .WriteTo.GrafanaLoki(
                "http://localhost:3100", 
                new List<LokiLabel>() { facilityLabel })
            .CreateLogger();            

        // Add the "action" property to all logs inside the using scope
        using (LogContext.PushProperty("action", "gdt-custom-action"))
        {
            Log.Logger.Information("Starting custom action");
            await Task.Delay(TimeSpan.FromMilliseconds(200));
            Log.Logger.Information("Custom action completed");
        }

        // Flush the logs to ensure being send to loki
        Log.CloseAndFlush();
    }
}

setup-appllication.ps1

dotnet new console --name GDT.Logging.ConsoleApp

cd GDT.Logging.ConsoleApp

dotnet add package Serilog
dotnet add package Serilog.Settings.Configuration
dotnet add package Serilog.Sinks.Console
dotnet add package Serilog.Sinks.Grafana.Loki