Begin metrics refactor

2026-03-19 21:04:41 +00:00 · 2019-08-11 12:12:19 +10:00
parent 4020d13064
commit 48733917be
7 changed files with 46 additions and 1 deletions
--- a/beacon_node/rest_api/src/metrics.rs
+++ b/beacon_node/rest_api/src/metrics.rs
@@ -0,0 +1,17 @@
+use crate::{success_response, ApiError, ApiResult};
+use hyper::{Body, Request};
+use prometheus::{Encoder, TextEncoder};
+
+/// Returns the full set of Prometheus metrics for the Beacon Node application.
+pub fn get_prometheus(_req: Request<Body>) -> ApiResult {
+    let mut buffer = vec![];
+    let encoder = TextEncoder::new();
+
+    encoder
+        .encode(&beacon_chain::gather_metrics(), &mut buffer)
+        .unwrap();
+
+    String::from_utf8(buffer)
+        .map(|string| success_response(Body::from(string)))
+        .map_err(|e| ApiError::ServerError(format!("Failed to encode prometheus info: {:?}", e)))
+}