NLog——ElasticSearch——Kibana

一、

.Net Core引用的nuget包；可以配置Elasticsearch的url地址

二、

NLog.config示例：

<?xml version="1.0" encoding="utf-8" ?>

<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"

      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

      xsi:schemaLocation="http://www.nlog-project.org/schemas/NLog.xsd NLog.xsd"

      autoReload="true"

     >

  <extensions>

    <add assembly="NLog.Targets.ElasticSearch"/>

  </extensions>

  <!-- optional, add some variabeles

  https://github.com/nlog/NLog/wiki/Configuration-file#variables

  -->

  <variable name="myvar" value="myvalue"/>

  <targets async="true">

    <target xsi:type="File" name="File" archiveAboveSize="20000000" fileName="${environment:variable=NLOGDIR}/*****.log" layout="[${date:format=yyyy-MM-dd HH\:mm\:ss}][${level}] ${logger} ${message} ${exception:format=toString} ${aspnet-request:cookie=String:serverVariable=String:queryString=String:item=String:form=String:header=String}"

   archiveNumbering="Rolling"  encoding="UTF-8" enableFileDelete="true"  maxArchiveFiles="5" />

    <target name="ElasticSearch" xsi:type="ElasticSearch" ConnectionStringName="ElasticSearchServerAddress"  index="*****-${date:format=yyyy.MM.dd}" documentType="logevent" includeAllProperties="true"

         layout="[${date:format=yyyy-MM-dd HH\:mm\:ss}][${level}] ${logger} ${message} ${exception:format=toString}">

      <field name="MachineName" layout="${machinename}" />

      <!--<field name="AllEventProperties" layout="${all-event-properties:format=[key]=[value]:separator=;:includeCallerInformation=true}" />-->

      <field name="Time" layout="${longdate}" />

      <field name="level" layout="${level:uppercase=true}" />

      <field name="logger" layout=" ${logger}" />

      <field name="message" layout=" ${message}" />

      <field name="exception" layout=" ${exception:format=toString}" />

      <field name="processid" layout=" ${processid}" />

      <field name="threadname" layout=" ${threadname}" />

      <field name="stacktrace" layout=" ${stacktrace}" />

      <field name="Properties" layout="${machinename} ${longdate} ${level:uppercase=true} ${logger} ${message} ${exception}|${processid}|${stacktrace}|${threadname}" />

    </target>

  </targets>

  <rules>

    <!-- add your logging rules here -->

    <!--<logger name="*"     minlevel="Trace" writeTo="EventLog" />-->

    <logger name="*"     minlevel="Trace" writeTo="File" />

    <logger name="*"    minlevel="Trace" writeTo="ElasticSearch" />

  </rules>

</nlog>

三、

设值环境变量ElasticSearchServerAddress：NLog.config中指定的

或者，在appsettings.json中添加ElasticSearchServerAddress的配置节点

NLog——ElasticSearch——Kibana

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NLog——ElasticSearch——Kibana

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