.Net Core的Log方式:Serilog+Kibana

前言

Serilog,支持對象,把log數據序列化成Json,好用方便,容易拓展。Github: https://github.com/handsomeyao77/serilog-sinks-elasticsearchgit

讀取配置文件的

配置文件分爲App.config和appsetting.json兩種。
讀取appsettings.json,主要是Web app 類型,首先在服務啓動時要注入json文件:
github

讀取配置:
json

配置App.config,高亮部分是必要的key:
app

讀取配置:
elasticsearch

固然,有時候能夠Hard code,這裏分享一種方式:
工具

Serilog的常見類型

1.Information.
ui

2.Debug.
3d

3.Error.
code

由於LogEventBase做爲基類,能夠繼承拓展一下。orm

public class LogEventBase
{
    [FieldOrder(0)]
    public LogEventType EventType { get; set; }

    [FieldOrder(1)]
    public string Role { get; set; }

    [FieldOrder(2)]
    public string RoleInstance { get; set; }

    [FieldOrder(3)]
    public string Ip { get; set; }

    [FieldOrder(4)]
    public int Port { get; set; }

    [FieldOrder(5)]
    public DateTime Timestamp => DateTime.UtcNow;

    [FieldOrder(6)]
    public string Message { get; set; }

    [FieldOrder(7)]
    public IActivity Activity { get; set; }

    [FieldOrder(8)]
    public string EnvironmentName => Environment.MachineName;
}

根據業務拓展:

public class LatencyEvent : LogEventBase
{
    [FieldOrder(9)]
    public long Latency { get; set; }

    [FieldOrder(10)]
    public string SearchId { get; set; }
}

public class SearchEvent : LogEventBase
{
    [FieldOrder(9)]
    public string SearchId { get; set; }
    [FieldOrder(10)]
    public string SearchString { get; set; }
}

public class LuisEvent : LogEventBase
{
    [FieldOrder(9)]
    public LuisResult LuisResult { get; set; }
}

public class ExceptionEvent : LogEventBase
{
    [FieldOrder(10)]
    public Exception Exception { get; set; }
}

LogEventType是比較實用的,在kibana查看log是做爲過濾條件能節省不少時間。

使用方法

1.Information

2.Error

Kibana

打開kibana主頁,選擇對應的template,能夠說很是好用的log工具。能夠按照log的時間,或者輸入查詢條件:

或者按照LogEventType,能夠快速定位到target:

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