Log4net.Appender.InfluxDBSyslog

Log4net appender that posts events to InfluxDB in Syslog format

Branch	Status
Master Branch
Dev Branch

How to setup

NuGet Package

Install from nuget

PM> Install-Package Log4net.Appender.InfluxDBSyslog

or

dotnet add package Log4net.Appender.InfluxDBSyslog --version 0.3.1

Configure the appender

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
  </configSections>
  <log4net>
  <appender name="InfluxAppender" type="Log4net.Appender.InfluxDBSyslog.InfluxAppender, Log4net.Appender.InfluxDBSyslog">
    <Scheme>http</Scheme>
    <Host>localhost</Host>
    <RemotePort>8086</RemotePort>
    <AppName>Console Test</AppName>
    <Facility>Console Test Custom Facility</Facility>
  </appender>
    <root>
      <level value="INFO" />
      <appender-ref ref="InfluxAppender" />
    </root>
  </log4net>
</configuration>

Configure the appender with a layout to support properties

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
  </configSections>
  <log4net>
  <appender name="InfluxAppender" type="Log4net.Appender.InfluxDBSyslog.InfluxAppender, Log4net.Appender.InfluxDBSyslog">
    <Scheme>http</Scheme>
    <Host>localhost</Host>
    <RemotePort>8086</RemotePort>
    <AppName>
        <layout type="log4net.Layout.PatternLayout">
			  <conversionPattern value="%date AppName2 Test" />
		  </layout>
	  </AppName>
    <Facility>Console Test Custom Facility</Facility>
  </appender>
    <root>
      <level value="INFO" />
      <appender-ref ref="InfluxAppender" />
    </root>
  </log4net>
</configuration>

InfluxDB and Chronograf

Download InfluxDB 1.7 from influxdata.com

Run influxd and chronograf and see your logs flowing in.

Dependencies

- log4net
- InfluxData.net

Building the project

dotnet build

Benchmarks

BenchmarkDotNet=v0.12.1, OS=Windows 10.0.19041.450 (2004/?/20H1)
Intel Core i7-2640M CPU 2.80GHz (Sandy Bridge), 1 CPU, 4 logical and 2 physical cores
.NET Core SDK=3.1.400-preview-015203
  [Host]     : .NET Core 2.1.16 (CoreCLR 4.6.28516.03, CoreFX 4.6.28516.10), X64 RyuJIT
  DefaultJob : .NET Core 2.1.16 (CoreCLR 4.6.28516.03, CoreFX 4.6.28516.10), X64 RyuJIT

Method	N	Mean	Error	StdDev	Median
LogSomethingNoAppender	1000	681.9 ns	12.53 ns	11.72 ns	678.8 ns
LogSomething	1000	1,008,850.6 ns	25,344.37 ns	69,805.77 ns	995,548.6 ns
LogSomethingRollingFileAppender	1000	18,459.7 ns	354.54 ns	639.31 ns	18,304.9 ns
LogSomethingRollingFileAppenderNoStringInterp	1000	17,923.6 ns	350.97 ns	328.30 ns	17,751.9 ns
LogSomethingInfluxWithLayout	1000	444,051.0 ns	22,226.97 ns	62,326.82 ns	415,885.4 ns
LogSomethingWithLayoutNoConsole	1000	522,403.7 ns	13,862.15 ns	39,098.45 ns	526,787.7 ns
LogSomethingBuffering1InfluxWithLayout	1000	819,144.6 ns	9,321.40 ns	7,277.53 ns	819,914.1 ns
LogSomethingBuffering5InfluxWithLayout	1000	156,899.9 ns	2,402.27 ns	5,119.43 ns	155,756.2 ns
LogSomethingBuffering10InfluxWithLayout	1000	95,998.6 ns	1,342.31 ns	2,711.54 ns	95,510.6 ns

Contribute

If you have any idea for an improvement or found a bug, do not hesitate to open an issue.

Thanks

Get Your Syslog On
Writing Logs Directly to InfluxDB - DZone

License

Log4net.Appender.InfluxDBSyslog is distributed under MIT License.