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本文章将会继承上一篇文章，主要讲通过工具来进行日志的收集与发送，《ELK系列~NLog.Targets.Fluentd到达如何通过tcp发到fluentd》

Nxlog是一个日志收集工具，它将系统日志，或者指定的日志文件，统配符文件找到，然后加工，最后发送到目标位置。而目标位置有很多种，如文件系统，fluentd系统等，下面我们介绍一个使用场景，也是经常涉及到的场景。

1. log4产生日期，日期文件名，统一后缀，按日志级别命名
2. nxlog工具，配置，启动，发送数据
3. fluentd配置，接受数据，打印数据

一 log4产生日期，日期文件名，统一后缀，按日志级别命名

<?xml version="1.0"?>
<configuration>
  <configSections>
      <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
  </configSections>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
  </system.web>

  <log4net>
    <logger name="ErrorLog">
      <level value="ERROR"></level>
      <appender-ref ref="ErrorLog"></appender-ref>
    </logger>
    <appender name="ErrorLog" type="log4net.Appender.RollingFileAppender">
      <param name="File" value="logs\\" />
      <param name="AppendToFile" value="true" />
      <param name="StaticLogFileName" value="false" />
      <rollingStyle value="Date" />
      <datePattern value="yyyyMMdd&quot;Error.log&quot;" />
      <layout type="log4net.Layout.PatternLayout">
      </layout>
    </appender>

    <logger name="InfoLog">
      <level value="INFO"></level>
      <appender-ref ref="InfoLog"></appender-ref>
    </logger>
    <appender name="InfoLog" type="log4net.Appender.RollingFileAppender">
      <param name="File" value="logs\\" />
      <param name="AppendToFile" value="true" />
      <param name="StaticLogFileName" value="false" />
      <rollingStyle value="Date" />
      <datePattern value="yyyyMMdd&quot;Info.log&quot;" />
      <layout type="log4net.Layout.PatternLayout">
      </layout>
    </appender>

    <logger name="WarnLog">
      <level value="Warn"></level>
      <appender-ref ref="WarnLog"></appender-ref>
    </logger>
    <appender name="WarnLog" type="log4net.Appender.RollingFileAppender">
      <param name="File" value="logs\\" />
      <param name="AppendToFile" value="true" />
      <param name="StaticLogFileName" value="false" />
      <rollingStyle value="Date" />
      <datePattern value="yyyyMMdd&quot;Warn.log&quot;" />
      <layout type="log4net.Layout.PatternLayout">
      </layout>
    </appender>

    <logger name="FatalLog">
      <level value="Fatal"></level>
      <appender-ref ref="FatalLog"></appender-ref>
    </logger>
    <appender name="FatalLog" type="log4net.Appender.RollingFileAppender">
      <param name="File" value="logs\\" />
      <param name="AppendToFile" value="true" />
      <param name="StaticLogFileName" value="false" />
      <rollingStyle value="Date" />
      <datePattern value="yyyyMMdd&quot;Fatal.log&quot;" />
      <layout type="log4net.Layout.PatternLayout">
      </layout>
    </appender>
  </log4net>
</configuration>

View Code

产生日志的方法如下

            log4net.Config.XmlConfigurator.Configure(new FileInfo("log4.config"));
            for (int i = 0; i < 10; i++)
            {
                LogHelper.Info("test");
            }
            Console.WriteLine("end");

上面代码将会产生日志文件，命名比较固定，方法日志的收集工作。

二 nxlog工具，配置，启动，发送数据

安装：https://docs.fluentd.org/v0.12/articles/windows

配置：去掉了log4产生日志每行后面的\r标记，如果不进行处理，在json转换时会有问题

## This is a sample configuration file. See the nxlog reference manual about the
## configuration options. It should be installed locally and is also available
## online at http://nxlog.org/docs/

## Please set the ROOT to the folder your nxlog was installed into,
## otherwise it will not start.

#define ROOT C:\Program Files\nxlog
define ROOT C:\Program Files (x86)\nxlog

Moduledir %ROOT%\modules
CacheDir %ROOT%\data
Pidfile %ROOT%\data\nxlog.pid
SpoolDir %ROOT%\data
LogFile %ROOT%\data\nxlog.log


 <Extension json>
    Module      xm_json
</Extension>
<Extension _syslog>
    Module      xm_syslog
</Extension>

<Input in>
    Module    im_file
    File    "c:\dotnet\20*.log"
    Exec $raw_event = replace($raw_event, "\r\n", " ");
    Exec $raw_event = replace($raw_event, "\r", " ");
    Exec $raw_event = replace($raw_event, "\n", " ");
    Exec $raw_event = replace($raw_event, "0x0A", " ");
    Exec $raw_event = replace($raw_event, "0x0DA", " ");
    Exec $raw_event = replace($raw_event, "0x0D", " ");

 </Input>
<Output out>
    Module      om_tcp
    Host        192.168.200.214
    Port        24224
    Exec $raw_event =$raw_event + "\n";
</Output>

<Route 1> 
    Path        in => out
</Route>

View Code

启动：nxlog -f -c conf/nxlog.conf

查看：打开fluentd端，查看它的日志，发现我们的日志已经过来了

这个东西，我在google上找了好久，最后总算是功夫不负有心人，让我找对了！当然也证明了最初的猜想是正确的，即在output中对字符进行过滤！

三 fluentd配置，接受数据，打印数据

1 运行脚本，升级需要的文件夹和文件

mkdir /scripts/fluentd -p
cd /scripts/fluentd

cat  > Dockerfile << 'EOF'
FROM fluent/fluentd:v0.12-onbuild

ENV TZ=Asia/Shanghai
RUN echo "http://mirrors.aliyun.com/alpine/v3.5/main" >/etc/apk/repositories \
        && echo "http://mirrors.aliyun.com/alpine/v3.5/community" >>/etc/apk/repositories \
        && apk add --update tzdata \
        && apk add curl \
        && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
        && echo $TZ > /etc/timezone

RUN apk add  --virtual .build-deps \
        sudo build-base ruby-dev \
&& sudo gem sources --clear-all \
&& apk del .build-deps \
&& rm -rf /var/cache/apk/* \
 /home/fluent/.gem/ruby/2.3.0/cache/*.gem EOF mkdir plugins -p mkdir -p /srv/volume/fluentd/ cat > /scripts/fluentd/fluent.conf << 'EOF' <source> @type forward port 24224 bind 0.0.0.0 </source> <match **>  @type stdout
</match> EOF

2 生成镜像

docker build --no-cache --pull -t pilipa/tools/fluentd ./

2 docker上直接运行

docker run --privileged=true -v /scripts/fluentd/fluent.conf:/fluentd/etc/fluent.conf pilipa/tools/fluentd

启动后出现了配置和日志相关的输出信息

日志收集总算可以告一段落了！

感谢各位的阅读！1024节日快乐！