kona-cli 0.3.2

Shared CLI utilities for Kona crates
Documentation 
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//! Utilities for spinning up a prometheus metrics server.

use metrics_exporter_prometheus::{BuildError, PrometheusBuilder};
use std::net::{IpAddr, SocketAddr};
use tracing::info;

/// Start a Prometheus metrics server on the given port.
pub fn init_prometheus_server(addr: IpAddr, metrics_port: u16) -> Result<(), BuildError> {
    let prometheus_addr = SocketAddr::from((addr, metrics_port));
    let builder = PrometheusBuilder::new().with_http_listener(prometheus_addr);

    builder.install()?;
    info!(
        target: "prometheus",
        "Serving metrics at: http://{}",
        prometheus_addr
    );

    Ok(())
}