Exec

The exec input plugin, allows to execute external program and collects event logs.

Configuration Parameters

The plugin supports the following configuration parameters:

Key

Description

Command

The command to execute.

Parser

Specify the name of a parser to interpret the entry as a structured message.

Interval_Sec

Polling interval (seconds).

Interval_NSec

Polling interval (nanosecond).

Getting Started

You can run the plugin from the command line or through the configuration file:

Command Line

The following example will read events from the output of ls.

$ fluent-bit -i exec -p 'command=ls /var/log' -o stdout
Fluent-Bit v0.13.0
Copyright (C) Treasure Data
[2018/03/21 17:46:49] [ info] [engine] started
[0] exec.0: [1521622010.013470159, {"exec"=>"ConsoleKit"}]
[1] exec.0: [1521622010.013490313, {"exec"=>"Xorg.0.log"}]
[2] exec.0: [1521622010.013492079, {"exec"=>"Xorg.0.log.old"}]
[3] exec.0: [1521622010.013493443, {"exec"=>"anaconda.ifcfg.log"}]
[4] exec.0: [1521622010.013494707, {"exec"=>"anaconda.log"}]
[5] exec.0: [1521622010.013496016, {"exec"=>"anaconda.program.log"}]
[6] exec.0: [1521622010.013497225, {"exec"=>"anaconda.storage.log"}]

Configuration File

In your main configuration file append the following Input & Output sections:

[INPUT]
Name exec
Tag exec_ls
Command ls /var/log
Interval_Sec 1
Interval_NSec 0
[OUTPUT]
Name stdout
Match *