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Serilog Sink for RabbitMq
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README.md

serilog-sinks-rabbitmq

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Purpose

This project is to allow Serilog to log to RabbitMQ using the RabbitMQ.Client package. The aim is to expose RabbitMQ.Client functionality, in a logical way, and not to build in additional logic into the sink. So expect pure RabbitMQ.Client behavior, but perhaps a little bit simpler interface.

Versioning

As of v3.0.0 we use Semantic Versioning to express changes in the API.

Dependencies

Serilog.Sinks.RabbitMQ .NETStandard .NETFramework Serilog RabbitMQ.Client
2.0.0 1.6.0 4.5.1 2.3.0 4.*
3.0.0 1.6.1 4.5.1 2.8.0 5.1.0

Installation

Using Nuget:

Install-Package Serilog.Sinks.RabbitMQ

Version 2.0.0 configuration

To use with ILoggerFactory via dependency injection, add the following to ConfigureServices in your Startup class. See the logging documentation for specific help on using the ILoggerFactory and ILogger<T>.

using Serilog;
using Serilog.Formatting.Json;
using Serilog.Sinks.RabbitMQ;
using Serilog.Sinks.RabbitMQ.Sinks.RabbitMQ;

public class Startup 
{
   private readonly IConfiguration _config;
   // ... 
   public IServiceProvider ConfigureServices(IServiceCollection services)
   {
      var config = new RabbitMQConfiguration
      {
          Hostname = _config["RABBITMQ_HOST"],
          Username = _config["RABBITMQ_USER"],
          Password = _config["RABBITMQ_PASSWORD"],
          Exchange = _config["RABBITMQ_EXCHANGE"],
          ExchangeType = _config["RABBITMQ_EXCHANGE_TYPE"],
          DeliveryMode = RabbitMQDeliveryMode.Durable,
          RouteKey = "Logs",
          Port = 5672
      };

      Log.Logger = new LoggerConfiguration()
        .Enrich.FromLogContext()
        .WriteTo.RabbitMQ(config, new JsonFormatter())
        .CreateLogger();

      var loggerFactory = new LoggerFactory();
      loggerFactory
        .AddSerilog()
        .AddConsole(LogLevel.Information);

      services.AddSingleton<ILoggerFactory>(loggerFactory);
   }
   // ...
}

Version 3.0.0 configuration

There are multiple ways for configuring the RabbitMqSink with the release of v3.0.0

var logger = new LoggerConfiguration()
    .Enrich.FromLogContext()
    .WriteTo.RabbitMQ((clientConfiguration, sinkConfiguration) => {
        clientConfiguration.Username     = _config["RABBITMQ_USER"];
        clientConfiguration.Password     = _config["RABBITMQ_PASSWORD"];
        clientConfiguration.Exchange     = _config["RABBITMQ_EXCHANGE"];
        clientConfiguration.ExchangeType = _config["RABBITMQ_EXCHANGE_TYPE"];
        clientConfiguration.DeliveryMode = RabbitMQDeliveryMode.Durable;
        clientConfiguration.RouteKey     = "Logs";
        clientConfiguration.Port         = 5672;

        foreach (string hostname in _config["RABBITMQ_HOSTNAMES"]) {
            clientConfiguration.Hostnames.Add(hostname);
        }

        sinkConfiguration.TextFormatter  = new JsonFormatter();
    }).CreateLogger();
// Or
var config = new RabbitMQClientConfiguration
    {
        Port            = 5672,
        DeliveryMode    = RabbitMQ.RabbitMQDeliveryMode.Durable,
        Exchange        = "test_exchange",
        Username        = "guest",
        Password        = "guest",
        ExchangeType    = "fanout"
    };

foreach (string hostname in _config["RABBITMQ_HOSTNAMES"]) {
    config .Hostnames.Add(hostname);
}

var logger = new LoggerConfiguration()
    .WriteTo.RabbitMQ((clientConfiguration, sinkConfiguration) => {
    clientConfiguration.From(config);
    sinkConfiguration.TextFormatter = new JsonFormatter();
}) .CreateLogger();
// Or
var logger = new LoggerConfiguration()
    .WriteTo.RabbitMQ((clientConfiguration, sinkConfiguration) => {
        clientConfiguration.From(Configuration.Bind("RabbitMQClientConfiguration", new RabbitMQClientConfiguration()));
        sinkConfiguration.TextFormatter = new JsonFormatter();
}).CreateLogger();
// Or
LoggerConfiguration loggerConfiguration = new LoggerConfiguration();
IConfigurationSection rabbitMqSection = configuration.GetSection("log:rabbitMq");
loggerConfiguration = loggerConfiguration
    .WriteTo.RabbitMQ((clientConfiguration, sinkConfiguration) =>
    {
        rabbitMqSection.Bind(clientConfiguration);
        sinkConfiguration.RestrictedToMinimumLevel = LogEventLevel.Warning;
    });
// At last, don't forget to register the logger into the services
var loggerFactory = new LoggerFactory();
      loggerFactory
        .AddSerilog()
        .AddConsole(LogLevel.Information);

      services.AddSingleton<ILoggerFactory>(loggerFactory);

References

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