File

Last updated 23 days ago

The file output plugin allows to write the data received through the input plugin to file.

Configuration Parameters

The plugin supports the following configuration parameters:

Key

Description

Path

File path to output. If not set, the filename will be tag name.

Format

The format of the file content. See also Format section. Default: out_file.

Format

out_file format

Output time, tag and json records. There is no configuration parameters for out_file.

tag: [time, {"key1":"value1", "key2":"value2", "key3":"value3"}]

plain format

Output the records as JSON (without additional tag and timestamp attributes). There is no configuration parameters for plain format.

{"key1":"value1", "key2":"value2", "key3":"value3"}

csv format

Output the records as csv. Csv supports an additional configuration parameter.

Key

Description

Delimiter

The character to separate each data. Default: ','

time[delimiter]"value1"[delimiter]"value2"[delimiter]"value3"

ltsv format

Output the records as LTSV. LTSV supports an additional configuration parameter.

Key

Description

Delimiter

The character to separate each pair. Default: '\t'(TAB)

Label_Delimiter

The character to separate label and the value. Default: ':'

field1[label_delimiter]value1[delimiter]field2[label_delimiter]value2\n

Getting Started

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

Command Line

From the command line you can let Fluent Bit count up a data with the following options:

$ fluent-bit -i cpu -o file -p path=output.txt

Configuration File

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

[INPUT]
Name cpu
Tag cpu
‚Äč
[OUTPUT]
Name file
Match *
Path output.txt