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End Prometheus stats with a new line separator (#826)

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End prometheus stats with a new line separator

According to the [OpenMetrics specification](https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#overall-structure), each line MUST end with `\n`. Previously, the last line was not ending with `\n`, so that strict parsers had issues reading the Prometheus stats.
This commit is contained in:
Sebastian Serth
2024-09-23 00:14:04 +02:00
committed by GitHub
parent b575935b1d
commit 3935366d86
1 changed files with 1 additions and 0 deletions
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src/prometheus.rs
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@@ -309,6 +309,7 @@ async fn prometheus_stats(
push_pool_stats(&mut lines); push_pool_stats(&mut lines);
push_server_stats(&mut lines); push_server_stats(&mut lines);
push_database_stats(&mut lines); push_database_stats(&mut lines);
lines.push("".to_string()); // Ensure to end the stats with a line terminator as required by the specification.
Response::builder() Response::builder()
.header("content-type", "text/plain; version=0.0.4") .header("content-type", "text/plain; version=0.0.4")