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API server changes, improvements

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This commit is contained in:
Ara Sadoyan
2025-06-06 19:30:51 +02:00
parent 8e05794784
commit ffc2bab79f
4 changed files with 95 additions and 45 deletions
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31
src/utils/metrics.rs
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@@ -1,6 +1,13 @@
use pingora_http::Version;
use prometheus::{register_histogram, register_int_counter, register_int_counter_vec, Histogram, IntCounter, IntCounterVec};
use std::time::Duration;
pub struct MetricTypes {
pub method: String,
pub code: String,
pub latency: Duration,
pub version: Version,
}
lazy_static::lazy_static! {
pub static ref REQUEST_COUNT: IntCounter = register_int_counter!(
"gazan_requests_total",
@@ -26,12 +33,35 @@ lazy_static::lazy_static! {
"Number of requests by HTTP method",
&["method"]
).unwrap();
pub static ref REQUESTS_BY_VERSION: IntCounterVec = register_int_counter_vec!(
"gazan_requests_by_version_total",
"Number of requests by HTTP versions",
&["version"]
).unwrap();
pub static ref ERROR_COUNT: IntCounter = register_int_counter!(
"gazan_errors_total",
"Total number of errors"
).unwrap();
}
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",
&Version::HTTP_3 => "HTTP/3.0",
&Version::HTTP_10 => "HTTP/1.0",
_ => "Unknown",
};
REQUESTS_BY_VERSION.with_label_values(&[&version_str]).inc();
RESPONSE_CODES.with_label_values(&[&metric_types.code.to_string()]).inc();
REQUESTS_BY_METHOD.with_label_values(&[&metric_types.method]).inc();
RESPONSE_LATENCY.observe(metric_types.latency.as_secs_f64());
}
/*
pub fn calc_metrics(method: String, code: u16, latency: Duration) {
REQUEST_COUNT.inc();
let timer = REQUEST_LATENCY.start_timer();
@@ -41,7 +71,6 @@ pub fn calc_metrics(method: String, code: u16, latency: Duration) {
RESPONSE_LATENCY.observe(latency.as_secs_f64());
}
/*
tokio::spawn(async move {
let mut interval = tokio::time::interval(std::time::Duration::from_secs(5));
loop {