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drop dependency on once-cell

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Charles Hall 2024-10-24 15:31:04 -07:00
parent a550d8db1f
commit e74c8687f5
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4 changed files with 12 additions and 10 deletions
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14
src/observability.rs
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@ -1,7 +1,12 @@
//! Facilities for observing runtime behavior
#![warn(missing_docs, clippy::missing_docs_in_private_items)]
use std::{collections::HashSet, fs::File, io::BufWriter, sync::Arc};
use std::{
collections::HashSet,
fs::File,
io::BufWriter,
sync::{Arc, LazyLock},
};
use axum::{
extract::{MatchedPath, Request},
@ -9,7 +14,6 @@ use axum::{
response::Response,
};
use http::Method;
use once_cell::sync::Lazy;
use opentelemetry::{metrics::MeterProvider, trace::TracerProvider, KeyValue};
use opentelemetry_otlp::WithExportConfig;
use opentelemetry_sdk::{
@ -34,7 +38,7 @@ use crate::{
};
/// Globally accessible metrics state
pub(crate) static METRICS: Lazy<Metrics> = Lazy::new(Metrics::new);
pub(crate) static METRICS: LazyLock<Metrics> = LazyLock::new(Metrics::new);
/// Cleans up resources relating to observability when [`Drop`]ped
pub(crate) struct Guard {
@ -385,8 +389,8 @@ impl Metrics {
/// Track HTTP metrics by converting this into an [`axum`] layer
pub(crate) async fn http_metrics_layer(req: Request, next: Next) -> Response {
/// Routes that should not be included in the metrics
static IGNORED_ROUTES: Lazy<HashSet<(&Method, &str)>> =
Lazy::new(|| [(&Method::GET, "/metrics")].into_iter().collect());
static IGNORED_ROUTES: LazyLock<HashSet<(&Method, &str)>> =
LazyLock::new(|| [(&Method::GET, "/metrics")].into_iter().collect());
let matched_path =
req.extensions().get::<MatchedPath>().map(|x| x.as_str().to_owned());