Prometheus Exporter

An output plugin to expose Prometheus Metrics

The prometheus exporter allows you to take metrics from Fluent Bit and expose them such that a Prometheus instance can scrape them. 
Important Note: The prometheus exporter only works with metric  plugins, such as Node Exporter Metrics
Key
Description
Default
listen
This is address Fluent Bit will bind to when hosting prometheus metrics
0.0.0.0
port
This is the port Fluent Bit will bind to when hosting prometheus metrics
2021
add_label
This allows you to add custom labels to all metrics exposed through the prometheus exporter. You may have multiple of these fields
​
Getting Started
The Prometheus exporter only works with metrics captured from metric plugins. In the following example, host metrics are captured by the node exporter metrics plugin and then are routed to prometheus exporter. Within the output plugin two labels are added app="fluent-bit"and color="blue"
# Node Exporter Metrics + Prometheus Exporter
# -------------------------------------------
# The following example collect host metrics on Linux and expose
# them through a Prometheus HTTP end-point.
#
# After starting the service try it with:
#
# $ curl http://127.0.0.1:2021/metrics
#
[SERVICE]
    flush           1
    log_level       info
​
[INPUT]
    name            node_exporter_metrics
    tag             node_metrics
    scrape_interval 2
​
[OUTPUT]
    name            prometheus_exporter
    match           node_metrics
    listen          0.0.0.0
    port            2021
    # add user-defined labels
    add_label       app fluent-bit
    add_label       color blue

Data Pipeline - Previous

Outputs

Amazon CloudWatch

Last updated 3 weeks ago

Key	Description	Default
listen	This is address Fluent Bit will bind to when hosting prometheus metrics	0.0.0.0
port	This is the port Fluent Bit will bind to when hosting prometheus metrics	2021
add_label	This allows you to add custom labels to all metrics exposed through the prometheus exporter. You may have multiple of these fields