.Net Core - Elastic Search Log Everything

It is a library where you can log all the movements that occur in your application.

Specifications

• Specific Logging. Create Index and Log Your Model.
• Catches Database Changing (Update,Delete) and Logs with Current User Id.
• Logs Selected Endpoints with Ip Address, Query or Body Params and Current User Id.
• Catches All Exception in Project and Logs with Exception Message, Status Code and Current User Id.
• Elastic Search Management Service Class. Index Management, Alias Management, Search Logs.

Dependencies

• Net Core 3
• NEST Library
• Entity Framework

Links

• Elastic Search Install
• Elastic Search Gui (Kibana)

Screenshots

Activity Log	Entitiy Changes Log

Error Log	Elastic Search Management

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  Install-Package ElasticSearchLibrary

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Service Settings

Startup.cs

 public void ConfigureServices(IServiceCollection services)
 {
   services.AddElasticServices();
 }

appsettings.json

  "ElasticConnectionSettings": {
    "ConnectionString": {
      "HostUrls": "http://localhost:9200/",
      "UserName": "",
      "Password": ""
    }
  }

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EndPoint Activity Logging (Controller/Action)

[ActivityFilter(LogAllEndPoints: false)] // -> Add Filter To Your Controller
[LogEndpoint] // if LogAllEndPoints:false -> Use [LogEndpoint] for logging specific endpoints.
[NoLogEndpoint] // if LogAllEndPoints:true -> Use [NoLogEndpoint] for remove logging to specific endpoints.

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Database Entities Logging

Entity Context Class

 private IDatabaseLogger dbLogger;
 public ProductContext(DbContextOptions options, IDatabaseLogger _dbLogger) : base(options) 
 {
      this.dbLogger = _dbLogger; 
 }
 public override int SaveChanges() 
 {
      dbLogger.LogChanges(ChangeTracker);
      return base.SaveChanges();
 }

Entity Model Class

 [LogModel]  // ->  Logs All Props
 public class Product
 {
     [DisplayName("Record Id")] // For clarity when displaying Entity Log records
     public int ID { get; set; }
     [LogProp]  // -> Log Specific Props (Remove LogModel Attribute)
     public string Name { get; set; }
     [DisplayName("Seri No")]
     [LogProp]
     public string SeriNo { get; set; }
 }

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Error Logging (Startup.cs)

 public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
 {
   app.AddElasticErrorHandler();
 }

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Elastic Management Controller

  public class ElasticController : ElasticSearchController
  {
      public ElasticController(IElasticSearchManager _elasticSearchService) : base(_elasticSearchService) { }
  }

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License

• MIT license
• Copyright 2020 ©

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Medium TR : https://hasansahinn.medium.com/asp-net-core-3-elastic-search-log-everything-3d567bed2c00