ElasticSearch实战——.Net Core中的应用

dll引用：

　　NLog.Targets.ElasticSearch，版本：4.0.0-beta26

　　Nlog，版本：4.5.0-rc04

　　Microsoft.Extensions.Configuration,版本：2.0.0

appsettings.json（属性=》复制到输出目录：始终复制），ElasticSearch的url配置

{
  "ElasticSearchServerAddress": "http://*.*.*.*:9201/"
}

　　

NLog.config（属性=》复制到输出目录：始终复制）

<?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"
     >
  <!--ElasticSearch保存日志，必须添加此配置-->
  <extensions>
    <add assembly="NLog.Targets.ElasticSearch"/>
  </extensions>
  
  <targets async="true">
    <!--本地目录存储日志文件-->
    <target xsi:type="File" name="File"  fileName="${environment:variable=NLOGDIR}/FinancialBill-Inbound${date:format=yyyy-MM-dd}.log"
            archiveAboveSize="20000000" archiveNumbering="Rolling"  encoding="UTF-8" enableFileDelete="true"  maxArchiveFiles="5"
            layout="[${date:format=yyyy-MM-dd HH:mm:ss}][${level}] ${logger} ${message} ${exception:format=toString}"   />
    <!--控制台，输出日志信息-->
    <target xsi:type="ColoredConsole"  name="ColoredConsole" layout="[${date:format=yyyy-MM-dd HH:mm:ss}][${level}] ${message} ${exception:format=toString}"/>
    <!--ElasticSearch保存日志信息-->
    <target name="ElasticSearch" xsi:type="ElasticSearch" ConnectionStringName="ElasticSearchServerAddress"  index="dvm-report-financialbill-inbound-${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="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>
    <logger name="*"     minlevel="Trace" writeTo="File" />
    <logger name="*"     minlevel="Trace" writeTo="ColoredConsole" />
    <logger name="*"     minlevel="Trace" writeTo="ElasticSearch" />
  </rules>

</nlog>

${environment:variable=NLOGDIR}：环境变量NLOGDIR的值

${appsetting:ElasticSearch}：appsetting.config中的ElasticSearch的值