HTTP

The HTTP input plugin allows you to send custom records to an HTTP endpoint.

Configuration Parameters

Key	Description	default
host	The address to listen on	0.0.0.0
port	The port for Fluent Bit to listen on	9880
tag_key	Specify the key name to overwrite a tag. If set, the tag will be overwritten by a value of the key.
buffer_max_size	Specify the maximum buffer size in KB to receive a JSON message.	4M
buffer_chunk_size	This sets the chunk size for incoming incoming JSON messages. These chunks are then stored/managed in the space available by buffer_max_size.	512K
successful_response_code	It allows to set successful response code. 200, 201 and 204 are supported.	201

Getting Started

The http input plugin allows Fluent Bit to open up an HTTP port that you can then route data to in a dynamic way. This plugin supports dynamic tags which allow you to send data with different tags through the same input. An example video and curl message can be seen below

Link to video

How to set tag

The tag for the HTTP input plugin is set by adding the tag to the end of the request URL. This tag is then used to route the event through the system. For example, in the following curl message below the tag set is app.log**. **If you do not set the tag http.0 is automatically used. If you have multiple HTTP inputs then they will follow a pattern of http.N where N is an integer representing the input.

Example Curl message

curl -d @app.log -XPOST -H "content-type: application/json" http://localhost:8888/app.log

Configuration File

[INPUT]
    name http
    host 0.0.0.0
    port 8888

[OUTPUT]
    name stdout
    match *

Command Line

$> fluent-bit -i http -p port=8888 -o stdout