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chore: return content type for prometheus metrics (#9676)

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Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>
This commit is contained in:
Danyal Prout
2024-07-22 07:49:40 -05:00
committed by GitHub
parent 15acc9bb47
commit 6c720579bb
1 changed files with 4 additions and 2 deletions
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6
crates/node/core/src/metrics/prometheus_exporter.rs
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@@ -2,7 +2,7 @@
use crate::metrics::version_metrics::VersionInfo;
use eyre::WrapErr;
use http::Response;
use http::{header::CONTENT_TYPE, HeaderValue, Response};
use metrics::describe_gauge;
use metrics_exporter_prometheus::{PrometheusBuilder, PrometheusHandle};
use metrics_util::layers::{PrefixLayer, Stack};
@@ -84,7 +84,9 @@ async fn start_endpoint<F: Hook + 'static>(
let service = tower::service_fn(move |_| {
(hook)();
let metrics = handle.render();
async move { Ok::<_, Infallible>(Response::new(metrics)) }
let mut response = Response::new(metrics);
response.headers_mut().insert(CONTENT_TYPE, HeaderValue::from_static("text/plain"));
async move { Ok::<_, Infallible>(response) }
});
let mut shutdown = signal.clone().ignore_guard();