From 01fcc020c743816eed397a476c85455c86ca4fd5 Mon Sep 17 00:00:00 2001
From: str4d <thestr4d@gmail.com>
Date: Wed, 11 Nov 2020 15:34:30 +0000
Subject: [PATCH] PrometheusBuilder::install: Build exporter in runtime context

Closes https://github.com/metrics-rs/metrics/issues/122
---
 metrics-exporter-prometheus/src/lib.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/metrics-exporter-prometheus/src/lib.rs b/metrics-exporter-prometheus/src/lib.rs
index 033d864..bd0d63a 100644
--- a/metrics-exporter-prometheus/src/lib.rs
+++ b/metrics-exporter-prometheus/src/lib.rs
@@ -443,14 +443,14 @@ impl PrometheusBuilder {
     /// installing the recorder as the global recorder.
     #[cfg(feature = "tokio-exporter")]
     pub fn install(self) -> Result<(), Error> {
-        let (recorder, exporter) = self.build_with_exporter()?;
-        metrics::set_boxed_recorder(Box::new(recorder))?;
-
         let mut runtime = runtime::Builder::new()
             .basic_scheduler()
             .enable_all()
             .build()?;
 
+        let (recorder, exporter) = runtime.enter(|| self.build_with_exporter())?;
+        metrics::set_boxed_recorder(Box::new(recorder))?;
+
         thread::Builder::new()
             .name("metrics-exporter-prometheus-http".to_string())
             .spawn(move || {