45 lines
1.2 KiB
Rust
45 lines
1.2 KiB
Rust
use std::net::SocketAddr;
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use axum::{routing::get, Router};
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use lazy_static;
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use log::warn;
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use prometheus::{register_int_counter, IntCounter, Registry};
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lazy_static! {
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static ref REGISTRY: Registry = Registry::new();
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pub static ref PLAY_COUNTER: IntCounter =
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register_int_counter!("play_cmd", "Number of calls to /play").unwrap();
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pub static ref UPLOAD_COUNTER: IntCounter =
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register_int_counter!("upload_cmd", "Number of calls to /upload").unwrap();
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pub static ref DELETE_COUNTER: IntCounter =
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register_int_counter!("delete_cmd", "Number of calls to /delete").unwrap();
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}
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pub fn init_metrics() {
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REGISTRY.register(Box::new(PLAY_COUNTER.clone())).unwrap();
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}
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pub async fn serve() {
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let app = Router::new().route("/metrics", get(metrics));
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let addr = SocketAddr::from(([127, 0, 0, 1], 31755));
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axum::Server::bind(&addr)
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.serve(app.into_make_service())
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.await
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.unwrap();
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}
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async fn metrics() -> String {
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let encoder = prometheus::TextEncoder::new();
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let res_custom = encoder.encode_to_string(®ISTRY.gather());
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match res_custom {
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Ok(s) => s,
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Err(e) => {
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warn!("Error encoding metrics: {:?}", e);
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String::new()
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}
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}
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}
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