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Improved error handling, anti unwrap()-ing

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This commit is contained in:
Ara Sadoyan
2026-10-20 17:06:55 +02:00
parent f895ba4554
commit 0c489b649a
22 changed files with 162 additions and 159 deletions
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src/utils/metrics.rs
+31 -18
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@@ -1,9 +1,10 @@
use crate::utils::lazylock::EVICTION;
use crate::utils::tools::Die;
use pingora_cache::eviction::EvictionManager;
use pingora_http::Method;
use pingora_http::StatusCode;
use pingora_http::Version;
use prometheus::{register_histogram, register_int_counter, register_int_counter_vec, register_int_gauge, Histogram, IntCounter, IntCounterVec, IntGauge};
use prometheus::{Histogram, IntCounter, IntCounterVec, IntGauge, register_histogram, register_int_counter, register_int_counter_vec, register_int_gauge};
use std::sync::Arc;
use std::sync::LazyLock;
use std::time::Duration;
@@ -16,19 +17,28 @@ pub struct MetricTypes {
pub version: Version,
}
pub static OPEN_FILES: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_open_files", "Number of open file descriptors").unwrap());
pub static LOGGING_ERRORS: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_logging_errors", "Number of log errors").unwrap());
pub static MEMORY_USAGE: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_memory_bytes", "Total memory allocated in bytes").unwrap());
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 OPEN_FILES: LazyLock<IntGauge> =
LazyLock::new(|| register_int_gauge!("aralez_open_files", "Number of open file descriptors").die("Failed to register OPEN_FILES metric"));
pub static LOGGING_ERRORS: LazyLock<IntGauge> =
LazyLock::new(|| register_int_gauge!("aralez_logging_errors", "Number of log errors").die("Failed to register LOGGING_ERRORS metric"));
pub static MEMORY_USAGE: LazyLock<IntGauge> =
LazyLock::new(|| register_int_gauge!("aralez_memory_bytes", "Total memory allocated in bytes").die("Failed to register MEMORY_USAGE metric"));
pub static ACTIVE_SESSIONS: LazyLock<IntGauge> =
LazyLock::new(|| register_int_gauge!("aralez_active_sessions", "Current number of active sessions").die("Failed to register ACTIVE_SESSIONS metric"));
pub static REQUEST_COUNT: LazyLock<IntCounter> =
LazyLock::new(|| register_int_counter!("aralez_requests_total", "Total number of requests handled by Aralez").die("Failed to register REQUEST_COUNT metric"));
pub static CACHE_SIZE_BYTES: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_cache_size_bytes", "Current cache size in bytes").unwrap());
pub static CACHE_ITEMS: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_cache_items", "Current number of cached objects").unwrap());
pub static CACHE_EVICTED_BYTES: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_cache_evicted_bytes_total", "Total bytes evicted from cache").unwrap());
pub static CACHE_SIZE_BYTES: LazyLock<IntGauge> =
LazyLock::new(|| register_int_gauge!("aralez_cache_size_bytes", "Current cache size in bytes").die("Failed to register CACHE_SIZE_BYTES metric"));
pub static CACHE_ITEMS: LazyLock<IntGauge> =
LazyLock::new(|| register_int_gauge!("aralez_cache_items", "Current number of cached objects").die("Failed to register CACHE_ITEMS metric"));
pub static CACHE_EVICTED_BYTES: LazyLock<IntGauge> =
LazyLock::new(|| register_int_gauge!("aralez_cache_evicted_bytes_total", "Total bytes evicted from cache").die("Failed to register CACHE_EVICTED_BYTES metric"));
pub static CACHE_EVICTED_ITEMS: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_cache_evicted_items_total", "Total cache items evicted").unwrap());
pub static CACHE_EVICTED_ITEMS: LazyLock<IntGauge> =
LazyLock::new(|| register_int_gauge!("aralez_cache_evicted_items_total", "Total cache items evicted").die("Failed to register CACHE_EVICTED_ITEMS metric"));
pub static RESPONSE_CODES: LazyLock<IntCounterVec> =
LazyLock::new(|| register_int_counter_vec!("aralez_responses_total", "Responses grouped by status code", &["status"]).unwrap());
LazyLock::new(|| register_int_counter_vec!("aralez_responses_total", "Responses grouped by status code", &["status"]).die("Failed to register RESPONSE_CODES metric"));
pub static RESPONSE_LATENCY: LazyLock<Histogram> = LazyLock::new(|| {
register_histogram!(
@@ -36,17 +46,20 @@ pub static RESPONSE_LATENCY: LazyLock<Histogram> = LazyLock::new(|| {
"Response latency in seconds",
vec![0.001, 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 1.0, 2.0, 5.0]
)
.unwrap()
.die("Failed to register RESPONSE_LATENCY metric")
});
pub static REQUESTS_BY_METHOD: LazyLock<IntCounterVec> =
LazyLock::new(|| register_int_counter_vec!("aralez_requests_by_method_total", "Number of requests by HTTP method", &["method"]).unwrap());
pub static REQUESTS_BY_METHOD: LazyLock<IntCounterVec> = LazyLock::new(|| {
register_int_counter_vec!("aralez_requests_by_method_total", "Number of requests by HTTP method", &["method"]).die("Failed to register REQUESTS_BY_METHOD metric")
});
pub static REQUESTS_BY_UPSTREAM: LazyLock<IntCounterVec> =
LazyLock::new(|| register_int_counter_vec!("aralez_requests_by_upstream", "Number of requests by UPSTREAM server", &["upstream"]).unwrap());
pub static REQUESTS_BY_UPSTREAM: LazyLock<IntCounterVec> = LazyLock::new(|| {
register_int_counter_vec!("aralez_requests_by_upstream", "Number of requests by UPSTREAM server", &["upstream"]).die("Failed to register REQUESTS_BY_UPSTREAM metric")
});
pub static REQUESTS_BY_VERSION: LazyLock<IntCounterVec> =
LazyLock::new(|| register_int_counter_vec!("aralez_requests_by_version_total", "Number of requests by HTTP versions", &["version"]).unwrap());
pub static REQUESTS_BY_VERSION: LazyLock<IntCounterVec> = LazyLock::new(|| {
register_int_counter_vec!("aralez_requests_by_version_total", "Number of requests by HTTP versions", &["version"]).die("Failed to register REQUESTS_BY_VERSION metric")
});
pub static HTTP_11_COUNT: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_VERSION.with_label_values(&["HTTP/1.1"]));
pub static HTTP_20_COUNT: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_VERSION.with_label_values(&["HTTP/2.0"]));
pub static HTTP_30_COUNT: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_VERSION.with_label_values(&["HTTP/3.0"]));