ballerinax/prometheus Ballerina library

Overview

The Prometheus Observability Extension provides an implementation for exporting metrics to a Prometheus Server.

Key Features

• Export application metrics to a Prometheus Server
• Configurable host and port for the metrics endpoint
• Simple configuration via import and Config.toml
• Seamless integration with observability tooling

Enabling Prometheus Extension

To package the Prometheus extension into the Jar, follow the following steps.

1. Add the following import to your program.

import ballerinax/prometheus as _;

2. Add the following to the Ballerina.toml when building your program.

[package]
org = "my_org"
name = "my_package"
version = "1.0.0"

[build-options]
observabilityIncluded=true

To enable the extension and export metrics to Prometheus, add the following to the Config.toml when running your program.

[ballerina.observe]
metricsEnabled=true
metricsReporter="prometheus"

[ballerinax.prometheus]
host="127.0.0.1"  # Optional Configuration. Default value is localhost
port=9797         # Optional Configuration. Default value is 9797