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Dummy

The dummy input plugin, generates dummy events. It is useful for testing, debugging, benchmarking and getting started with Fluent Bit.

Configuration Parameters

The plugin supports the following configuration parameters:
Key
Description
Dummy
Dummy JSON record. Default: {"message":"dummy"}
Metadata
Dummy JSON metadata. Default: {}
Start_time_sec
Dummy base timestamp in seconds. Default: 0
Start_time_nsec
Dummy base timestamp in nanoseconds. Default: 0
Rate
Rate at which messages are generated expressed in how many times per second. Default: 1
Interval_sec
Set seconds of time interval at which every message is generated. If set, Rate configuration will be ignored. Default: 0
Interval_nsec
Set nanoseconds of time interval at which every message is generated. If set, Rate configuration will be ignored. Default: 0
Samples
If set, the events number will be limited. e.g. If Samples=3, the plugin only generates three events and stops.
Copies
Number of messages to generate each time they are generated. Defaults to 1.
Flush_on_startup
If set to true, the first dummy event is generated at startup. Default: false

Getting Started

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

Command Line

$ fluent-bit -i dummy -o stdout
Fluent Bit v2.x.x
* Copyright (C) 2015-2022 The Fluent Bit Authors
* Fluent Bit is a CNCF sub-project under the umbrella of Fluentd
* https://fluentbit.io
[0] dummy.0: [[1686451466.659962491, {}], {"message"=>"dummy"}]
[0] dummy.0: [[1686451467.659679509, {}], {"message"=>"dummy"}]

Configuration File

In your main configuration file append the following Input & Output sections:
fluent-bit.conf
fluent-bit.yaml
[INPUT]
Name dummy
Dummy {"message": "custom dummy"}
[OUTPUT]
Name stdout
Match *
pipeline:
inputs:
- name: dummy
dummy: '{"message": "custom dummy"}'
outputs:
- name: stdout
match: '*'
Last modified 1mo ago