36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
use color_eyre::eyre::Result;
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use hyper::{header::CONTENT_TYPE, Body, Response};
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use prometheus::{Encoder, TextEncoder};
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use warp::Filter;
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const APPLICATION_NAME: &str = concat!(env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION"));
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#[tokio::main]
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async fn main() -> Result<()> {
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let _ = kankyo::init();
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pretty_env_logger::init();
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color_eyre::install()?;
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let healthcheck = warp::get().and(warp::path(".within").and(warp::path("health")).map(|| "OK"));
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let metrics_endpoint = warp::path("metrics").and(warp::path::end()).map(move || {
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let encoder = TextEncoder::new();
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let metric_families = prometheus::gather();
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let mut buffer = vec![];
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encoder.encode(&metric_families, &mut buffer).unwrap();
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Response::builder()
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.status(200)
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.header(CONTENT_TYPE, encoder.format_type())
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.body(Body::from(buffer))
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.unwrap()
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});
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let site = healthcheck
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.or(metrics_endpoint)
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.map(|reply| warp::reply::with_header(reply, "X-Clacks-Overhead", "GNU Ashlynn"))
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.with(warp::log(APPLICATION_NAME));
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warp::serve(site).run(([0, 0, 0, 0], 5000)).await;
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Ok(())
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}
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