Function render_prometheus 

pub fn render_prometheus(snap: &Snapshot) -> String

Render a Snapshot in the Prometheus 0.0.4 text exposition format.

The string returned is a complete, self-contained response body that may be served directly with a Content-Type: text/plain; version=0.0.4; charset=utf-8 header.

Examples

use dynomite::stats::{render_prometheus, PoolStats, ServerStats, ServiceInfo, Snapshot};

let snap = Snapshot {
    info: ServiceInfo {
        source: "node-a".into(),
        version: "0.0.1".into(),
        rack: "r1".into(),
        dc: "dc1".into(),
    },
    pool: PoolStats::new("dyn_o_mite"),
    server: ServerStats::new("redis_local"),
    ..Snapshot::default()
};
let text = render_prometheus(&snap);
assert!(text.contains("dynomite_build_info"));
assert!(text.contains("# TYPE dynomite_build_info gauge"));