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Add metrics to API endpoint

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This commit is contained in:
Alex Auvolat
2022-02-22 14:52:41 +01:00
parent 818daa5c78
commit 2a5609b292
7 changed files with 135 additions and 38 deletions
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src/util/metrics.rs
+22 -7
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@@ -2,26 +2,40 @@ use std::time::SystemTime;
use futures::{future::BoxFuture, Future, FutureExt};
use opentelemetry::{KeyValue, metrics::*};
use opentelemetry::{metrics::*, KeyValue};
pub trait RecordDuration<'a>: 'a {
type Output;
fn record_duration(self, r: &'a ValueRecorder<f64>, attributes: &'a [KeyValue]) -> BoxFuture<'a, Self::Output>;
fn record_duration(
self,
r: &'a ValueRecorder<f64>,
attributes: &'a [KeyValue],
) -> BoxFuture<'a, Self::Output>;
fn bound_record_duration(self, r: &'a BoundValueRecorder<f64>) -> BoxFuture<'a, Self::Output>;
}
impl<'a, T, O> RecordDuration<'a> for T
where T: Future<Output=O> + Send + 'a {
where
T: Future<Output = O> + Send + 'a,
{
type Output = O;
fn record_duration(self, r: &'a ValueRecorder<f64>, attributes: &'a [KeyValue]) -> BoxFuture<'a, Self::Output> {
fn record_duration(
self,
r: &'a ValueRecorder<f64>,
attributes: &'a [KeyValue],
) -> BoxFuture<'a, Self::Output> {
async move {
let request_start = SystemTime::now();
let res = self.await;
r.record(request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()), attributes);
r.record(
request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()),
attributes,
);
res
}.boxed()
}
.boxed()
}
fn bound_record_duration(self, r: &'a BoundValueRecorder<f64>) -> BoxFuture<'a, Self::Output> {
@@ -30,6 +44,7 @@ where T: Future<Output=O> + Send + 'a {
let res = self.await;
r.record(request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()));
res
}.boxed()
}
.boxed()
}
}