mirror of
https://github.com/getnora-io/nora.git
synced 2026-04-12 20:50:31 +00:00
devitway
35e930295c
Coverage targets: - activity_log: ActionType display, ActivityLog push/recent/all/bounded - audit: AuditEntry, AuditLog write/read with tempdir - config: defaults for all sub-configs, env overrides, TOML parsing - dashboard_metrics: record_download/upload, cache_hit_rate, persistence - error: constructors, Display, IntoResponse for all variants - metrics: detect_registry for all protocol paths - repo_index: paginate, RegistryIndex basics, RepoIndex invalidate Total tests: 103 -> 185
204 lines
5.7 KiB
Rust
204 lines
5.7 KiB
Rust
// Copyright (c) 2026 Volkov Pavel | DevITWay
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// SPDX-License-Identifier: MIT
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use axum::{
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body::Body,
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extract::MatchedPath,
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http::Request,
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middleware::Next,
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response::{IntoResponse, Response},
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routing::get,
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Router,
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};
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use lazy_static::lazy_static;
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use prometheus::{
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register_histogram_vec, register_int_counter_vec, Encoder, HistogramVec, IntCounterVec,
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TextEncoder,
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};
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use std::sync::Arc;
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use std::time::Instant;
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use crate::AppState;
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lazy_static! {
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/// Total HTTP requests counter
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pub static ref HTTP_REQUESTS_TOTAL: IntCounterVec = register_int_counter_vec!(
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"nora_http_requests_total",
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"Total number of HTTP requests",
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&["registry", "method", "status"]
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).expect("metric can be created");
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/// HTTP request duration histogram
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pub static ref HTTP_REQUEST_DURATION: HistogramVec = register_histogram_vec!(
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"nora_http_request_duration_seconds",
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"HTTP request latency in seconds",
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&["registry", "method"],
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vec![0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0, 10.0]
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).expect("metric can be created");
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/// Cache requests counter (hit/miss)
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pub static ref CACHE_REQUESTS: IntCounterVec = register_int_counter_vec!(
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"nora_cache_requests_total",
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"Total cache requests",
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&["registry", "result"]
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).expect("metric can be created");
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/// Storage operations counter
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pub static ref STORAGE_OPERATIONS: IntCounterVec = register_int_counter_vec!(
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"nora_storage_operations_total",
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"Total storage operations",
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&["operation", "status"]
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).expect("metric can be created");
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/// Artifacts count by registry
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pub static ref ARTIFACTS_TOTAL: IntCounterVec = register_int_counter_vec!(
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"nora_artifacts_total",
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"Total artifacts stored",
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&["registry"]
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).expect("metric can be created");
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}
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/// Routes for metrics endpoint
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pub fn routes() -> Router<Arc<AppState>> {
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Router::new().route("/metrics", get(metrics_handler))
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}
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/// Handler for /metrics endpoint
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async fn metrics_handler() -> impl IntoResponse {
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let encoder = TextEncoder::new();
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let metric_families = prometheus::gather();
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let mut buffer = Vec::new();
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encoder
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.encode(&metric_families, &mut buffer)
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.unwrap_or_default();
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([("content-type", "text/plain; charset=utf-8")], buffer)
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}
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/// Middleware to record request metrics
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pub async fn metrics_middleware(
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matched_path: Option<MatchedPath>,
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request: Request<Body>,
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next: Next,
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) -> Response {
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let start = Instant::now();
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let method = request.method().to_string();
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let path = matched_path
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.map(|p| p.as_str().to_string())
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.unwrap_or_else(|| request.uri().path().to_string());
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// Determine registry from path
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let registry = detect_registry(&path);
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// Process request
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let response = next.run(request).await;
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let duration = start.elapsed().as_secs_f64();
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let status = response.status().as_u16().to_string();
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// Record metrics
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HTTP_REQUESTS_TOTAL
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.with_label_values(&[®istry, &method, &status])
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.inc();
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HTTP_REQUEST_DURATION
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.with_label_values(&[®istry, &method])
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.observe(duration);
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response
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}
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/// Detect registry type from path
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fn detect_registry(path: &str) -> String {
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if path.starts_with("/v2") {
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"docker".to_string()
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} else if path.starts_with("/maven2") {
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"maven".to_string()
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} else if path.starts_with("/npm") {
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"npm".to_string()
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} else if path.starts_with("/cargo") {
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"cargo".to_string()
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} else if path.starts_with("/simple") || path.starts_with("/packages") {
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"pypi".to_string()
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} else if path.starts_with("/ui") {
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"ui".to_string()
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} else {
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"other".to_string()
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}
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}
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/// Record cache hit
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#[allow(dead_code)]
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pub fn record_cache_hit(registry: &str) {
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CACHE_REQUESTS.with_label_values(&[registry, "hit"]).inc();
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}
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/// Record cache miss
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#[allow(dead_code)]
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pub fn record_cache_miss(registry: &str) {
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CACHE_REQUESTS.with_label_values(&[registry, "miss"]).inc();
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}
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/// Record storage operation
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#[allow(dead_code)]
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pub fn record_storage_op(operation: &str, success: bool) {
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let status = if success { "success" } else { "error" };
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STORAGE_OPERATIONS
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.with_label_values(&[operation, status])
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.inc();
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_detect_registry_docker() {
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assert_eq!(detect_registry("/v2/nginx/manifests/latest"), "docker");
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assert_eq!(detect_registry("/v2/"), "docker");
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assert_eq!(
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detect_registry("/v2/library/alpine/blobs/sha256:abc"),
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"docker"
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);
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}
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#[test]
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fn test_detect_registry_maven() {
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assert_eq!(detect_registry("/maven2/com/example/artifact"), "maven");
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}
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#[test]
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fn test_detect_registry_npm() {
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assert_eq!(detect_registry("/npm/lodash"), "npm");
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assert_eq!(detect_registry("/npm/@scope/package"), "npm");
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}
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#[test]
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fn test_detect_registry_cargo() {
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assert_eq!(detect_registry("/cargo/api/v1/crates"), "cargo");
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}
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#[test]
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fn test_detect_registry_pypi() {
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assert_eq!(detect_registry("/simple/requests/"), "pypi");
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assert_eq!(
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detect_registry("/packages/requests/1.0/requests-1.0.tar.gz"),
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"pypi"
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);
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}
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#[test]
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fn test_detect_registry_ui() {
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assert_eq!(detect_registry("/ui/dashboard"), "ui");
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assert_eq!(detect_registry("/ui"), "ui");
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}
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#[test]
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fn test_detect_registry_other() {
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assert_eq!(detect_registry("/health"), "other");
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assert_eq!(detect_registry("/ready"), "other");
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assert_eq!(detect_registry("/unknown/path"), "other");
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}
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}
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