fix: add missing content-type for prometheus exporter

josefhandl · josefhandl · commit da596fde9377 · 2025-06-12T10:41:21.000+02:00
diff --git a/src/exporters/prometheus.rs b/src/exporters/prometheus.rs
@@ -232,7 +232,13 @@ async fn show_metrics(
     } else {
         let _ = write!(body, "<a href=\"https://github.com/hubblo-org/scaphandre/\">Scaphandre's</a> prometheus exporter here. Metrics available on <a href=\"/{suffix}\">/{suffix}</a>");
     }
-    Ok(Response::new(body.into()))
+
+    let mut response = Response::new(body.into());
+    response.headers_mut().insert(
+        hyper::header::CONTENT_TYPE,
+        hyper::header::HeaderValue::from_static("text/plain; version=0.0.4"),
+    );
+    Ok(response)
 }
 
 //  Copyright 2020 The scaphandre authors.

Original file line number	Diff line number	Diff line change
`@@ -232,7 +232,13 @@ async fn show_metrics(`
`232`	`232`	`} else {`
`233`	`233`	`let _ = write!(body, "<a href=\"https://github.com/hubblo-org/scaphandre/\">Scaphandre's</a> prometheus exporter here. Metrics available on <a href=\"/{suffix}\">/{suffix}</a>");`
`234`	`234`	`}`
`235`		`- Ok(Response::new(body.into()))`
	`235`	`+`
	`236`	`+ let mut response = Response::new(body.into());`
	`237`	`+ response.headers_mut().insert(`
	`238`	`+ hyper::header::CONTENT_TYPE,`
	`239`	`+ hyper::header::HeaderValue::from_static("text/plain; version=0.0.4"),`
	`240`	`+ );`
	`241`	`+ Ok(response)`
`236`	`242`	`}`
`237`	`243`
`238`	`244`	`// Copyright 2020 The scaphandre authors.`