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Fix, add metrics and cleanup.

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Ara Sadoyan
2026-05-13 16:17:11 +02:00
parent 136ccc8e44
commit 20329518c1
3 changed files with 9 additions and 49 deletions
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21
src/utils/metrics.rs
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@@ -1,8 +1,9 @@
use pingora_http::Method;
use pingora_http::StatusCode;
use pingora_http::Version;
use prometheus::{register_histogram, register_int_counter, register_int_counter_vec, Histogram, IntCounter, IntCounterVec};
use prometheus::{register_histogram, register_int_counter, register_int_counter_vec, register_int_gauge, Histogram, IntCounter, IntCounterVec, IntGauge};
use std::sync::Arc;
use std::sync::LazyLock;
use std::time::Duration;
pub struct MetricTypes {
@@ -13,22 +14,13 @@ pub struct MetricTypes {
pub version: Version,
}
use std::sync::LazyLock;
pub static ACTIVE_SESSIONS: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_active_sessions", "Current number of active sessions").unwrap());
pub static REQUEST_COUNT: LazyLock<IntCounter> = LazyLock::new(|| register_int_counter!("aralez_requests_total", "Total number of requests handled by Aralez").unwrap());
pub static RESPONSE_CODES: LazyLock<IntCounterVec> =
LazyLock::new(|| register_int_counter_vec!("aralez_responses_total", "Responses grouped by status code", &["status"]).unwrap());
pub static REQUEST_LATENCY: LazyLock<Histogram> = LazyLock::new(|| {
register_histogram!(
"aralez_request_latency_seconds",
"Request latency in seconds",
vec![0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0]
)
.unwrap()
});
pub static RESPONSE_LATENCY: LazyLock<Histogram> = LazyLock::new(|| {
register_histogram!(
"aralez_response_latency_seconds",
@@ -49,9 +41,6 @@ pub static REQUESTS_BY_VERSION: LazyLock<IntCounterVec> =
pub fn calc_metrics(metric_types: &MetricTypes) {
REQUEST_COUNT.inc();
let timer = REQUEST_LATENCY.start_timer();
timer.observe_duration();
let version_str = match metric_types.version {
Version::HTTP_11 => "HTTP/1.1",
Version::HTTP_2 => "HTTP/2.0",
@@ -59,9 +48,9 @@ pub fn calc_metrics(metric_types: &MetricTypes) {
Version::HTTP_10 => "HTTP/1.0",
_ => "Unknown",
};
REQUESTS_BY_VERSION.with_label_values(&[&version_str]).inc();
REQUESTS_BY_VERSION.with_label_values(&[version_str]).inc();
RESPONSE_CODES.with_label_values(&[metric_types.code.unwrap_or(StatusCode::GONE).as_str()]).inc();
REQUESTS_BY_METHOD.with_label_values(&[&metric_types.method]).inc();
REQUESTS_BY_METHOD.with_label_values(&[metric_types.method.as_str()]).inc();
REQUESTS_BY_UPSTREAM.with_label_values(&[metric_types.upstream.as_ref()]).inc();
RESPONSE_LATENCY.observe(metric_types.latency.as_secs_f64());
}