Cargo

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "aralez"
-version = "0.92.14"
+version = "0.92.18"
 edition = "2021"
 license = "Apache-2.0"
 description = "Reverse proxy built on top of Cloudflare's Pingora"
@@ -15,24 +15,23 @@ panic = "abort"
 strip = true
 
 [dependencies]
-tokio = { version = "1.52.3", features = ["full"] }
+tokio = { version = "1.53.1", features = ["full"] }
 pingora = { version = "0.8.1", features = ["lb", "openssl"] } # openssl, rustls, boringssl
 pingora-core = "0.8.1"
 pingora-proxy = "0.8.1"
 pingora-http = "0.8.1"
 pingora-limits = "0.8.1"
+pingora-cache = "0.8.1"
 dashmap = "7.0.0-rc2"
-async-trait = "0.1.89"
+async-trait = "0.1.91"
 log = "0.4.33"
 notify = "9.0.0-rc.4"
 axum = { version = "0.8.9" }
-reqwest = { version = "0.13.4", features = ["json", "stream", "blocking"] }
-serde = { version = "1.0.228", features = ["derive"] }
-noyalib = { version = "0.0.15", features = ["compat-serde-yaml"] }
+serde = { version = "1.0.229", features = ["derive"] }
+noyalib = { version = "0.0.18", features = ["compat-serde-yaml"] }
 rand = "0.10.2"
-base64 = "0.22.1"
-jsonwebtoken = { version = "10.4.0", default-features = false, features = ["use_pem", "rust_crypto"] }
-tonic = "0.14.6"
+base64 = "0.23.1"
+jsonwebtoken = { version = "11.0.0", default-features = false, features = ["use_pem", "rust_crypto"] }
 sha2 = { version = "0.11.0-rc.5", default-features = false }
 base16ct = { version = "1.0.0", features = ["alloc"] }
 urlencoding = "2.1.3"
@@ -42,7 +41,7 @@ x509-parser = "0.18.1"
 rustls-pemfile = "2.2.0"
 tower-http = { version = "0.7.0", features = ["fs"] }
 privdrop = "0.5.6"
-serde_json = "1.0.150"
+serde_json = "1.0.151"
 subtle = "2.6.1"
 moka = { version = "0.12.15", features = ["sync"] }
 ahash = "0.8.12"
@@ -53,3 +52,9 @@ mimalloc = { version = "0.1.52", default-features = false }
 signal-hook = "0.4.4"
 sd-notify = "0.5.0"
 libc = "0.2.186"
+tokio-native-tls = "0.3.1"
+hyper = "1.11.0"
+hyper-util = "0.1.20"
+http-body-util = "0.1.4"
+bytes = "1.12.1"
+

README.md

@@ -6,13 +6,12 @@
 
 ### **Reverse proxy built on top of Cloudflare's Pingora**
 
-Aralez is a high-performance Rust reverse proxy with zero-configuration automatic protocol handling, TLS, and upstream management,
-featuring Consul and Kubernetes integration for dynamic pod discovery and health-checked routing, acting as a lightweight ingress-style proxy.
+Aralez is a high-performance Rust reverse proxy with zero-configuration automatic protocol handling, TLS, and upstream management, featuring Consul and Kubernetes integration for dynamic pod discovery and health-checked routing, acting as a
+lightweight ingress-style proxy.
 
 
 ---
-What Aralez means ?
-**Aralez = Արալեզ** <ins>Named after the legendary Armenian guardian spirit, winged dog-like creature, that descend upon fallen heroes to lick their wounds and resurrect them</ins>.
+What Aralez means ? **Aralez = Արալեզ** <ins>Named after the legendary Armenian guardian spirit, winged dog-like creature, that descend upon fallen heroes to lick their wounds and resurrect them</ins>.
 
 Built on Rust, on top of **Cloudflare’s Pingora engine**, **Aralez** delivers world-class performance, security and scalability — right out of the box.
 
@@ -36,6 +35,7 @@ Built on Rust, on top of **Cloudflare’s Pingora engine**, **Aralez** delivers
 - **Let’s Encrypt Certificates** — Ordering and renewal of SSL/TLS certificates via the HTTP-01 challenge.
 - **Upstreams TLS detection** — Aralez will automatically detect if upstreams uses secure connection.
 - **Built in rate limiter** — Globar or route limit requests to upstreams.
+- **Caching Proxy** — In memory cache with configurable TTL, without external dependencies.
 - **Authentication** — Supports Basic Auth, API tokens, and JWT verification.
     - **Basic Auth**
     - **API Key** via `x-api-key` header
@@ -82,13 +82,14 @@ Built on Rust, on top of **Cloudflare’s Pingora engine**, **Aralez** delivers
 | **file_server_folder**           | /some/local/folder               | Optional. Local folder to serve                                                                                                                                       |
 | **file_server_address**          | 127.0.0.1:3002                   | Optional. Local address for file server                                                                                                                               |
 | **config_api_enabled**           | true                             | Enable/disable remote config push capability                                                                                                                          |
+| **cache_size_mb**                | 50                               | Optional. Enable internal cache with size in megabytes of value. Cache is entirely disabled when this line is commented out.                                          |
+| **cache_ttl**                    | 10                               | Optional. Set Default TTL in seconds for cached items, works if cache control headers are not set via upstream. Defaults to 60 if cache_size_mb is set.               |
 
 ---
 
 ## Installation
 
-Download the prebuilt binary for your architecture from releases section of [GitHub](https://github.com/sadoyan/aralez/releases) repo
-Make the binary executable `chmod 755 ./aralez-VERSION` and run.
+Download the prebuilt binary for your architecture from releases section of [GitHub](https://github.com/sadoyan/aralez/releases) repo Make the binary executable `chmod 755 ./aralez-VERSION` and run.
 
 File names:
 
@@ -106,8 +107,7 @@ File names:
 
 **glibc** builds are in general faster, but have few, basic, Glibc dependencies:
 
-**musl** builds are 100% portable, static compiled binaries and have zero system dependencies.
-In general musl builds have a little less performance.
+**musl** builds are 100% portable, static compiled binaries and have zero system dependencies. In general musl builds have a little less performance.
 
 The most intensive tests shows 107k-110k requests per second on **Glibc** binaries against 97k-100k **Musl** ones.
 
@@ -297,8 +297,7 @@ openssl req -x509 -newkey rsa:4096 \
 
 ## Remote Config API
 
-Push new `upstreams.yaml` over HTTP to `config_address` (`:3000` by default). Useful for CI/CD automation or remote config updates.
-URL parameter. `key=MASTERKEY` is required. `MASTERKEY` is the value of `master_key` in the `main.yaml`
+Push new `upstreams.yaml` over HTTP to `config_address` (`:3000` by default). Useful for CI/CD automation or remote config updates. URL parameter. `key=MASTERKEY` is required. `MASTERKEY` is the value of `master_key` in the `main.yaml`
 
 ```bash
 curl -XPOST --data-binary @./etc/upstreams.txt 127.0.0.1:3000/conf?key=${MASTERKEY}
@@ -379,22 +378,22 @@ curl  -u username:password -H 'Host: myip.mydomain.com' http://127.0.0.1:6193/
 
 | Feature / Proxy    | **Aralez** |  **Nginx**  | **HAProxy** | **Traefik** | **Caddy**  | **Envoy** |
 |--------------------|:----------:|:-----------:|:-----------:|:-----------:|:----------:|:---------:|
-| **Reload**         |   ✅ Hot    |  ⚙️ Manual  |  ⚙️ Manual  |    ✅ Hot    |   ✅ Hot    |   ✅ Hot   |
-| **Cert load**      |   ✅ Hot    |  ❌ Reload   |  ❌ Reload   |    ✅ Yes    |   ✅ Yes    |  ⚙️ No ?  |
-| **Authentication** |   ✅ Yes    | ⚙️ Limited  | ⚙️ Limited  |    ✅ Yes    |   ✅ Yes    |   ✅ Yes   |
-| **HTTP2**          |   ✅ Yes    |  ⚙️ Manual  |  ⚙️ Manual  |    ✅ Yes    |   ✅ Yes    |   ✅ Yes   |
-| **TLS Grades**     |   ✅ Yes    |  ⚙️ Manual  |  ⚙️ Manual  |  ⚙️ Manual  |   ✅ Yes    | ⚙️ Manual |
-| **gRPC**           |   ✅ Auto   |  ⚙️ Manual  |  ⚙️ Manual  |  ⚙️ Manual  | ⚙️ Manual  | ⚙️ Manual |
-| **SSL Proxy**      |   ✅ Auto   |  ⚙️ Manual  |  ⚙️ Manual  |    ✅ Yes    |   ✅ Yes    |   ✅ Yes   |
-| **HTTP/2**         |   ✅ Auto   |  ⚙️ Manual  |  ⚙️ Manual  |    ✅ Yes    |   ✅ Yes    |   ✅ Yes   |
-| **WebSocket**      |   ✅ Auto   |  ⚙️ Manual  |  ⚙️ Manual  |    ✅ Yes    |   ✅ Yes    |   ✅ Yes   |
-| **Sticky Session** |   ✅ Yes    |    ❌ No     |   ⚙️ Yes    |    ✅ Yes    | ⚙️ Limited | ✅ Manual  |
-| **Prometheus**     |   ✅ Yes    | ⚙️ External |    ✅ Yes    |    ✅ Yes    |   ✅ Yes    |   ✅ Yes   |
-| **Consul**         |   ✅ Yes    |    ❌ No     |  ⚙️DNS API  |    ✅ Yes    |    ❌ No    |   ✅ Yes   |
-| **Kubernetes**     |   ✅ Yes    | ⚙️ Ingress  | ⚙️ External |    ✅ Yes    | ⚙️ Limited |   ✅ Yes   |
-| **Limiter**        |   ✅ Yes    |    ✅ Yes    |    ✅ Yes    |    ✅ Yes    |   ✅ Yes    |   ✅ Yes   |
-| **Static Files**   |   ✅ Yes    |    ✅ Yes    |  ⚙️ Lua ?   |    ✅ Yes    |   ✅ Yes    |   ❌ No    |
-| **Health Checks**  |   ✅ Yes    |  ⚙️ Manual  |  ⚙️ Manual  |    ✅ Yes    |   ✅ Yes    |   ✅ Yes   |
+| **Reload**         |   ✅ Hot   |  ⚙️ Manual  |  ⚙️ Manual  |   ✅ Hot    |   ✅ Hot   |  ✅ Hot   |
+| **Cert load**      |   ✅ Hot   |  ❌ Reload  |  ❌ Reload  |   ✅ Yes    |   ✅ Yes   |  ⚙️ No ?  |
+| **Authentication** |   ✅ Yes   | ⚙️ Limited  | ⚙️ Limited  |   ✅ Yes    |   ✅ Yes   |  ✅ Yes   |
+| **HTTP2**          |   ✅ Yes   |  ⚙️ Manual  |  ⚙️ Manual  |   ✅ Yes    |   ✅ Yes   |  ✅ Yes   |
+| **TLS Grades**     |   ✅ Yes   |  ⚙️ Manual  |  ⚙️ Manual  |  ⚙️ Manual  |   ✅ Yes   | ⚙️ Manual |
+| **gRPC**           |  ✅ Auto   |  ⚙️ Manual  |  ⚙️ Manual  |  ⚙️ Manual  | ⚙️ Manual  | ⚙️ Manual |
+| **SSL Proxy**      |  ✅ Auto   |  ⚙️ Manual  |  ⚙️ Manual  |   ✅ Yes    |   ✅ Yes   |  ✅ Yes   |
+| **HTTP/2**         |  ✅ Auto   |  ⚙️ Manual  |  ⚙️ Manual  |   ✅ Yes    |   ✅ Yes   |  ✅ Yes   |
+| **WebSocket**      |  ✅ Auto   |  ⚙️ Manual  |  ⚙️ Manual  |   ✅ Yes    |   ✅ Yes   |  ✅ Yes   |
+| **Sticky Session** |   ✅ Yes   |    ❌ No    |   ⚙️ Yes    |   ✅ Yes    | ⚙️ Limited | ✅ Manual |
+| **Prometheus**     |   ✅ Yes   | ⚙️ External |   ✅ Yes    |   ✅ Yes    |   ✅ Yes   |  ✅ Yes   |
+| **Consul**         |   ✅ Yes   |    ❌ No    |  ⚙️DNS API  |   ✅ Yes    |   ❌ No    |  ✅ Yes   |
+| **Kubernetes**     |   ✅ Yes   | ⚙️ Ingress  | ⚙️ External |   ✅ Yes    | ⚙️ Limited |  ✅ Yes   |
+| **Limiter**        |   ✅ Yes   |   ✅ Yes    |   ✅ Yes    |   ✅ Yes    |   ✅ Yes   |  ✅ Yes   |
+| **Static Files**   |   ✅ Yes   |   ✅ Yes    |  ⚙️ Lua ?   |   ✅ Yes    |   ✅ Yes   |   ❌ No   |
+| **Health Checks**  |   ✅ Yes   |  ⚙️ Manual  |  ⚙️ Manual  |   ✅ Yes    |   ✅ Yes   |  ✅ Yes   |
 | **Built With**     |    Rust    |      C      |      C      |     Go      |     Go     |    C++    |
 
 ---
@@ -441,7 +440,7 @@ curl  -u username:password -H 'Host: myip.mydomain.com' http://127.0.0.1:6193/
 
 ## Results reflect synthetic performance under optimal conditions.
 
-- CPU : Intel(R) Xeon(R) CPU E3-1270 v6 @ 3.80GHz
+- CPU : Intel (R) Xeon (R) CPU E3-1270 v6 @ 3.80GHz
 - 300 : simultaneous connections
 - Duration : 10 Minutes
 - Binary : aralez-x86_64-glibc
@@ -497,7 +496,7 @@ Error distribution:
 
 ![Aralez](https://netangels.net/utils/glibc10.png)
 
-- CPU : Intel(R) Xeon(R) CPU E3-1270 v6 @ 3.80GHz
+- CPU : Intel (R) Xeon (R) CPU E3-1270 v6 @ 3.80GHz
 - 300 : simultaneous connections
 - Duration : 10 Minutes
 - Binary : aralez-x86_64-musl
@@ -555,7 +554,7 @@ Error distribution:
 
 ## Aralez, Nginx, Traefik performance benchmark
 
-This benchmark is done on 4 servers. With CPU Intel(R) Xeon(R) E-2174G CPU @ 3.80GHz, 64 GB RAM.
+This benchmark is done on 4 servers. With CPU Intel (R) Xeon (R) E-2174G CPU @ 3.80GHz, 64 GB RAM.
 
 1. Sever runs Aralez, Traefik, Nginx on different ports. Tuned as much as I could .
 2. 3x Upstreams servers, running Nginx. Replying with dummy json hardcoded in config file for max performance.

etc/main.yaml

@@ -22,4 +22,6 @@ hc_interval: 2 #Interval for health checks in seconds
 tcp_keepalive_idle: 60 # Seconds of inactivity before the kernel starts sending keepalive probes to a downstream client
 tcp_keepalive_interval: 10 # Seconds between individual keepalive probes if the client does not respond
 tcp_keepalive_count: 5 # Number of unanswered probes before the kernel declares the connection dead and closes it
+cache_size_mb: 50 # Optional. Enable internal cache with size in megabytes of value. Cache is entirely disabled when this line is commented out
+cache_ttl: 120 # Optional. Set Default TTL in seconds for cached items, works if cache control headers are not set via upstream. Defaults to 60 if cache_size_mb is set
 

src/tls/acme/order.rs

@@ -1,17 +1,14 @@
 use crate::tls::acme::account::get_account;
+use crate::utils::lazylock::CHALLENGES;
 use crate::utils::parceyaml::DOMAINS;
 use instant_acme::{ChallengeType, Identifier, NewOrder, RetryPolicy};
 use log::{error, info};
 use pingora::prelude::sleep;
 use rcgen::{CertificateParams, DistinguishedName, KeyPair};
-use std::collections::HashMap;
 use std::fs;
-use std::sync::{LazyLock, RwLock};
 use std::time::Duration;
 use x509_parser::prelude::*;
 
-pub static CHALLENGES: LazyLock<RwLock<HashMap<String, String>>> = LazyLock::new(|| RwLock::new(HashMap::new()));
-
 pub async fn refresh_order(certs_dir: String, autoconf_dir: String) {
     let credsfile = autoconf_dir + "/acme_credentials.json";
     loop {

src/utils.rs

@@ -2,6 +2,8 @@ pub mod auth;
 pub mod discovery;
 mod filewatch;
 pub mod fordebug;
+pub mod grpc;
+pub mod hcclient;
 pub mod healthcheck;
 pub mod httpclient;
 pub mod jwt;
@@ -12,4 +14,3 @@ pub mod parceyaml;
 pub mod state;
 pub mod structs;
 pub mod tools;
-// pub mod watchksecret;

src/utils/auth.rs

@@ -1,5 +1,6 @@
 use crate::utils::jwt::{check_jwt, JWT_TOKEN};
 use crate::utils::structs::InnerAuth;
+pub(crate) use crate::utils::tools::split_host_port;
 use axum::http::StatusCode;
 use base64::engine::general_purpose::STANDARD;
 use base64::Engine;
@@ -224,22 +225,22 @@ pub fn get_query_param(session: &mut Session, key: &str) -> Option<String> {
     params.get(key).and_then(|v| decode(v).ok()).map(|s| s.to_string())
 }
 
-#[allow(clippy::needless_return)]
-fn split_host_port(addr: &str, tls: bool) -> Option<(&str, u16, bool, &str)> {
-    match addr.split_once(':') {
-        Some((h, p)) => match p.parse::<u16>() {
-            Ok(port) => return Some((h, port, tls, h)),
-            Err(_) => {
-                log::warn!("ForwardAuth: invalid port in {}", addr);
-                return None;
-            }
-        },
-        None => {
-            if tls {
-                return Some((addr, 443u16, tls, addr));
-            } else {
-                return Some((addr, 80u16, tls, addr));
-            }
-        }
-    };
-}
+// #[allow(clippy::needless_return)]
+// pub fn split_host_port(addr: &str, tls: bool) -> Option<(&str, u16, bool, &str)> {
+//     match addr.split_once(':') {
+//         Some((h, p)) => match p.parse::<u16>() {
+//             Ok(port) => return Some((h, port, tls, h)),
+//             Err(_) => {
+//                 log::warn!("ForwardAuth: invalid port in {}", addr);
+//                 return None;
+//             }
+//         },
+//         None => {
+//             if tls {
+//                 return Some((addr, 443u16, tls, addr));
+//             } else {
+//                 return Some((addr, 80u16, tls, addr));
+//             }
+//         }
+//     };
+// }

src/utils/grpc.rs

@@ -0,0 +1,23 @@
+use bytes::Bytes;
+use http_body_util::Full;
+use hyper::Request;
+use hyper_util::client::legacy::connect::HttpConnector;
+use hyper_util::client::legacy::Client;
+use hyper_util::rt::TokioExecutor;
+
+pub async fn ping_grpc(addr: &str) -> bool {
+    let connector = HttpConnector::new();
+    let client = Client::builder(TokioExecutor::new()).http2_only(true).build(connector);
+    let uri = format!("{}{}", addr, "/aralez.Probe/Ping");
+    let body = Full::new(Bytes::from(vec![0, 0, 0, 0, 0]));
+    let request = Request::post(uri).header("content-type", "application/grpc").header("te", "trailers").body(body).unwrap();
+    match client.request(request).await {
+        Ok(resp) => resp
+            .headers()
+            .get("content-type")
+            .and_then(|v| v.to_str().ok())
+            .map(|v| v.starts_with("application/grpc"))
+            .unwrap_or(false),
+        Err(_) => false,
+    }
+}

src/utils/hcclient.rs

@@ -0,0 +1,95 @@
+use crate::utils::grpc::ping_grpc;
+use bytes::Bytes;
+use pingora_core::connectors::http::Connector;
+use pingora_core::listeners::ALPN;
+use pingora_core::prelude::HttpPeer;
+use pingora_http::RequestHeader;
+use std::sync::LazyLock;
+use std::time::Duration;
+
+pub static HC_CONNECTOR: LazyLock<Connector> = LazyLock::new(|| Connector::new(None));
+
+pub async fn httpclient(method: &str, tls: bool, host: &str, path: &str, address: &str, port: u16, url: String) -> (bool, bool) {
+    let method = match method {
+        "HEAD" => "HEAD",
+        "GET" => "GET",
+        "POST" => "POST",
+        _ => "GET",
+    };
+
+    let mut peer = HttpPeer::new((address, port), tls, host.to_string());
+
+    if tls {
+        peer.options.verify_cert = false;
+        peer.options.verify_hostname = false;
+    }
+
+    let mut is_h2 = false;
+    peer.options.total_connection_timeout = Option::from(Duration::from_secs(5));
+    peer.options.alpn = ALPN::H2H1;
+    let (mut http_session, _) = match HC_CONNECTOR.get_http_session(&peer).await {
+        Ok(s) => s,
+        Err(e) => {
+            if let Some(msg) = e.context {
+                log::warn!("{}, type: {}", msg.as_str(), e.etype.as_str());
+            } else {
+                log::warn!("Fail to connect to addr: {}, tls {}, host {}", address, tls, host);
+            }
+            return (false, false);
+        }
+    };
+
+    match http_session.as_http2() {
+        Some(_) => {
+            peer.options.alpn = ALPN::H2;
+            is_h2 = true;
+        }
+        None => {
+            if ping_grpc(url.as_str()).await {
+                return (true, true);
+            }
+        }
+    }
+
+    let mut req = match RequestHeader::build(method, path.as_bytes(), None) {
+        Ok(r) => r,
+        Err(e) => {
+            log::warn!("Failed to build request: {}", e);
+            return (false, false);
+        }
+    };
+
+    req.insert_header("Host", host).ok();
+
+    if let Err(e) = http_session.write_request_header(Box::new(req)).await {
+        log::warn!("Write header failed: {}", e);
+        return (false, false);
+    }
+
+    let status = if is_h2 {
+        if let Err(e) = http_session.write_request_body(Bytes::new(), true).await {
+            log::warn!("Write body failed: {}", e);
+            return (false, false);
+        }
+        match http_session.read_response_header().await {
+            Ok(_) => http_session.response_header().map(|r| r.status.as_u16()).unwrap_or(500),
+            Err(e) => {
+                if ping_grpc(url.as_str()).await {
+                    return (true, true);
+                }
+                log::warn!("Health Check H2 read failed: {} - {}", host, e);
+                return (false, false);
+            }
+        }
+    } else {
+        match http_session.read_response_header().await {
+            Ok(_) => http_session.response_header().map(|r| r.status.as_u16()).unwrap_or(500),
+            Err(e) => {
+                log::warn!("Health Check H1 read failed: {} - {}", e, host);
+                return (false, false);
+            }
+        }
+    };
+    HC_CONNECTOR.release_http_session(http_session, &peer, None).await;
+    ((200..500).contains(&status), is_h2)
+}

src/utils/healthcheck.rs

@@ -1,23 +1,21 @@
+use crate::utils::hcclient::httpclient;
 use crate::utils::lazylock::REVERSE_STORE;
 use crate::utils::structs::{InnerMap, UpstreamsDashMap, UpstreamsIdMap};
 use crate::utils::tools::*;
 use dashmap::DashMap;
-use log::{error, warn};
-use reqwest::{Client, Version};
 use std::sync::atomic::AtomicUsize;
 use std::sync::Arc;
 use std::time::Duration;
+use tokio::net::TcpStream;
 use tokio::time::interval;
-use tonic::transport::Endpoint;
+use tokio_native_tls::native_tls::TlsConnector;
 
 pub async fn hc2(upslist: Arc<UpstreamsDashMap>, fullist: Arc<UpstreamsDashMap>, idlist: Arc<UpstreamsIdMap>, params: (&str, u64)) {
     let mut period = interval(Duration::from_secs(params.1));
-    let client = Client::builder().timeout(Duration::from_secs(params.1)).danger_accept_invalid_certs(true).build().unwrap();
     loop {
         tokio::select! {
             _ = period.tick() => {
-                // populate_upstreams(&upslist, &fullist, &idlist, params, &client).await;
-                let totest = build_upstreams(&fullist, params.0, &client).await;
+                let totest = build_upstreams(&fullist, params.0).await;
                 if !compare_dashmaps(&totest, &upslist) {
                     clone_dashmap_into(&totest, &upslist);
                     clone_idmap_into(&totest, &idlist);
@@ -28,22 +26,11 @@ pub async fn hc2(upslist: Arc<UpstreamsDashMap>, fullist: Arc<UpstreamsDashMap>,
     }
 }
 
-/*
-pub async fn populate_upstreams(upslist: &Arc<UpstreamsDashMap>, fullist: &Arc<UpstreamsDashMap>, idlist: &Arc<UpstreamsIdMap>, params: (&str, u64), client: &Client) {
-    let totest = build_upstreams(fullist, params.0, client).await;
-    if !compare_dashmaps(&totest, upslist) {
-        clone_dashmap_into(&totest, upslist);
-        clone_idmap_into(&totest, idlist);
-    }
-}
-*/
-
 pub async fn initiate_upstreams(fullist: UpstreamsDashMap) -> UpstreamsDashMap {
-    let client = Client::builder().timeout(Duration::from_secs(2)).danger_accept_invalid_certs(true).build().unwrap();
-    build_upstreams(&fullist, "HEAD", &client).await
+    build_upstreams(&fullist, "HEAD").await
 }
 
-async fn build_upstreams(fullist: &UpstreamsDashMap, method: &str, client: &Client) -> UpstreamsDashMap {
+async fn build_upstreams(fullist: &UpstreamsDashMap, method: &str) -> UpstreamsDashMap {
     let totest: UpstreamsDashMap = DashMap::new();
     let fclone = clone_dashmap(fullist);
     for val in fclone.iter() {
@@ -56,18 +43,15 @@ async fn build_upstreams(fullist: &UpstreamsDashMap, method: &str, client: &Clie
 
             for upstream in path_entry.value().0.iter() {
                 let tls = if upstream.healthcheck.unwrap_or(true) {
-                    detect_tls(upstream.address.as_ref(), &upstream.port, client).await
+                    detect_tls(upstream.address.as_ref(), &upstream.port, host).await
                 } else {
-                    (false, None)
+                    false
                 };
-
-                let is_h2 = matches!(tls.1, Some(Version::HTTP_2));
-
                 let mut scheme = InnerMap {
                     address: upstream.address.clone(),
                     port: upstream.port,
-                    is_ssl: tls.0,
-                    is_http2: is_h2,
+                    is_ssl: tls,
+                    is_http2: false,
                     to_https: upstream.to_https,
                     rate_limit: upstream.rate_limit,
                     x4xx_limit: upstream.x4xx_limit,
@@ -77,20 +61,17 @@ async fn build_upstreams(fullist: &UpstreamsDashMap, method: &str, client: &Clie
                 };
 
                 if scheme.healthcheck.unwrap_or(true) {
-                    let link = if tls.0 {
+                    let link = if tls {
                         format!("https://{}:{}{}", upstream.address, upstream.port, path)
                     } else {
                         format!("http://{}:{}{}", upstream.address, upstream.port, path)
                     };
-
-                    let resp = http_request(&link, method, "", client).await;
+                    let resp = httpclient(method, tls, host, path, upstream.address.as_ref(), upstream.port, link).await;
                     if resp.0 {
                         if resp.1 {
-                            scheme.is_http2 = is_h2; // could be adjusted further
+                            scheme.is_http2 = resp.1;
                         }
                         innervec.push(Arc::from(scheme));
-                    } else {
-                        warn!("Dead Upstream : {}", link);
                     }
                 } else {
                     innervec.push(Arc::from(scheme));
@@ -103,51 +84,20 @@ async fn build_upstreams(fullist: &UpstreamsDashMap, method: &str, client: &Clie
     totest
 }
 
-async fn http_request(url: &str, method: &str, payload: &str, client: &Client) -> (bool, bool) {
-    if !["POST", "GET", "HEAD"].contains(&method) {
-        error!("Method {} not supported. Only GET|POST|HEAD are supported ", method);
-        return (false, false);
-    }
-    async fn send_request(client: &Client, method: &str, url: &str, payload: &str) -> Option<reqwest::Response> {
-        match method {
-            "POST" => client.post(url).body(payload.to_owned()).send().await.ok(),
-            "GET" => client.get(url).send().await.ok(),
-            "HEAD" => client.head(url).send().await.ok(),
-            _ => None,
-        }
-    }
+async fn detect_tls(ip: &str, port: &u16, sni: &str) -> bool {
+    let addr = format!("{ip}:{port}");
 
-    match send_request(client, method, url, payload).await {
-        Some(response) => {
-            let status = response.status().as_u16();
-            ((99..499).contains(&status), false)
-        }
-        None => (ping_grpc(url).await, true),
-    }
-}
-
-pub async fn ping_grpc(addr: &str) -> bool {
-    let endpoint = match Endpoint::from_shared(addr.to_owned()) {
-        Ok(e) => e.timeout(Duration::from_secs(2)),
+    let stream = match TcpStream::connect(&addr).await {
+        Ok(s) => s,
         Err(_) => return false,
     };
-    tokio::time::timeout(Duration::from_secs(3), endpoint.connect()).await.ok().and_then(Result::ok).is_some()
-}
 
-async fn detect_tls(ip: &str, port: &u16, client: &Client) -> (bool, Option<Version>) {
-    let https_url = format!("https://{}:{}", ip, port);
-    if let Ok(response) = client.get(&https_url).send().await {
-        return (true, Some(response.version()));
-    }
-    let http_url = format!("http://{}:{}", ip, port);
-    match client.get(&http_url).send().await {
-        Ok(response) => (false, Some(response.version())),
-        Err(_) => {
-            if ping_grpc(&http_url).await {
-                (false, Some(Version::HTTP_2))
-            } else {
-                (false, None)
-            }
-        }
-    }
+    let connector = tokio_native_tls::TlsConnector::from(
+        TlsConnector::builder()
+            .danger_accept_invalid_certs(true)
+            .danger_accept_invalid_hostnames(true)
+            .build()
+            .unwrap(),
+    );
+    connector.connect(sni, stream).await.is_ok()
 }

src/utils/httpclient.rs

@@ -1,85 +1,166 @@
 use crate::utils::kuberconsul::{match_path, ConsulService, KubeEndpoints};
 use crate::utils::structs::{GlobalServiceMapping, InnerMap};
-use axum::http::{HeaderMap, HeaderValue};
 use dashmap::DashMap;
-use reqwest::Client;
+use pingora_core::connectors::http::Connector;
+use pingora_core::listeners::ALPN;
+use pingora_core::prelude::HttpPeer;
+use pingora_http::RequestHeader;
 use std::sync::atomic::AtomicUsize;
-use std::sync::Arc;
+use std::sync::{Arc, LazyLock};
 use std::time::Duration;
 
-pub async fn for_consul(url: String, token: Option<String>, conf: &GlobalServiceMapping) -> Option<DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)>> {
-    let client = Client::builder().timeout(Duration::from_secs(2)).danger_accept_invalid_certs(true).build().ok()?;
-    let mut headers = HeaderMap::new();
-    if let Some(token) = token {
-        headers.insert("X-Consul-Token", HeaderValue::from_str(&token).unwrap());
-    }
-    let to = Duration::from_secs(1);
-    let resp = client.get(url).timeout(to).send().await.ok()?;
-    if !resp.status().is_success() {
-        eprintln!("Consul API returned status: {}", resp.status());
-        return None;
-    }
-    let mut inner_vec = Vec::new();
-    let upstreams: DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)> = DashMap::new();
-    let endpoints: Vec<ConsulService> = resp.json().await.ok()?;
-    for subsets in endpoints {
-        let addr = subsets.tagged_addresses.get("lan_ipv4").unwrap().address.clone();
-        let prt = subsets.tagged_addresses.get("lan_ipv4").unwrap().port;
-        let to_add = Arc::from(InnerMap {
-            address: Arc::from(&*addr),
-            port: prt,
-            is_ssl: false,
-            is_http2: false,
-            to_https: conf.to_https.unwrap_or(false),
-            rate_limit: conf.rate_limit,
-            x4xx_limit: conf.x4xx_limit,
-            redirect_to: None,
-            healthcheck: None,
-            authorization: None,
-        });
-        inner_vec.push(to_add);
-    }
-    match_path(conf, &upstreams, inner_vec);
-    Some(upstreams)
+pub static CONNECTOR: LazyLock<Connector> = LazyLock::new(|| Connector::new(None));
+
+pub async fn for_consul(url: &str, token: Option<String>, conf: &GlobalServiceMapping) -> Option<DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)>> {
+    if let Some(data) = getfromapi(url, token, "consul").await {
+        let endpoints: Vec<ConsulService> = serde_json::from_slice(&data).ok()?;
+        let mut inner_vec = Vec::new();
+        let upstreams: DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)> = DashMap::new();
+        for subsets in endpoints {
+            let addr = subsets.tagged_addresses.get("lan_ipv4").unwrap().address.clone();
+            let prt = subsets.tagged_addresses.get("lan_ipv4").unwrap().port;
+            let to_add = Arc::from(InnerMap {
+                address: Arc::from(&*addr),
+                port: prt,
+                is_ssl: false,
+                is_http2: false,
+                to_https: conf.to_https.unwrap_or(false),
+                rate_limit: conf.rate_limit,
+                x4xx_limit: conf.x4xx_limit,
+                redirect_to: None,
+                healthcheck: None,
+                authorization: None,
+            });
+            inner_vec.push(to_add);
+        }
+        match_path(conf, &upstreams, inner_vec);
+        return Some(upstreams);
+    };
+    None
 }
 
 pub async fn for_kuber(url: &str, token: &str, conf: &GlobalServiceMapping) -> Option<DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)>> {
-    let to = Duration::from_secs(10);
-    let client = Client::builder().timeout(Duration::from_secs(10)).danger_accept_invalid_certs(true).build().ok()?;
-    let resp = client.get(url).timeout(to).bearer_auth(token).send().await.ok()?;
-    if !resp.status().is_success() {
-        eprintln!("Kubernetes API returned status: {}", resp.status());
-        return None;
-    }
-    let endpoints: KubeEndpoints = resp.json().await.ok()?;
+    if let Some(data) = getfromapi(url, Some(token.to_string()), "kubernetes").await {
+        let endpoints: KubeEndpoints = serde_json::from_slice(&data).ok()?;
+        let upstreams: DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)> = DashMap::new();
+        let mut inner_vec = Vec::new();
 
-    let upstreams: DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)> = DashMap::new();
-
-    if let Some(subsets) = endpoints.subsets {
-        for subset in subsets {
-            if let (Some(addresses), Some(ports)) = (subset.addresses, subset.ports) {
-                let mut inner_vec = Vec::new();
-                for addr in addresses {
-                    for port in &ports {
-                        // let redirect_link = conf.redirect_to.as_ref().map(|www| Arc::from(www.as_str()));
-                        let to_add = Arc::from(InnerMap {
-                            address: Arc::from(addr.ip.clone()),
-                            port: port.port,
-                            is_ssl: false,
-                            is_http2: false,
-                            to_https: conf.to_https.unwrap_or(false),
-                            rate_limit: conf.rate_limit,
-                            x4xx_limit: conf.x4xx_limit,
-                            healthcheck: None,
-                            redirect_to: None,
-                            authorization: None,
-                        });
-                        inner_vec.push(to_add);
+        if let Some(subsets) = endpoints.subsets {
+            for subset in subsets {
+                if let (Some(addresses), Some(ports)) = (subset.addresses, subset.ports) {
+                    for addr in addresses {
+                        for port in &ports {
+                            let to_add = Arc::from(InnerMap {
+                                address: Arc::from(addr.ip.as_str()),
+                                port: port.port,
+                                is_ssl: false,
+                                is_http2: false,
+                                to_https: conf.to_https.unwrap_or(false),
+                                rate_limit: conf.rate_limit,
+                                x4xx_limit: conf.x4xx_limit,
+                                healthcheck: None,
+                                redirect_to: None,
+                                authorization: None,
+                            });
+                            inner_vec.push(to_add);
+                        }
                     }
                 }
-                match_path(conf, &upstreams, inner_vec.clone());
             }
         }
+        if !inner_vec.is_empty() {
+            match_path(conf, &upstreams, inner_vec);
+            return Some(upstreams);
+        }
     }
-    Some(upstreams)
+    None
+}
+pub async fn getfromapi(url: &str, token: Option<String>, provider: &str) -> Option<Vec<u8>> {
+    let (host, port, path, is_tls) = parse_url(&url).ok()?;
+
+    let mut peer = HttpPeer::new((host, port), is_tls, host.to_string());
+    peer.options.total_connection_timeout = Some(Duration::from_secs(5));
+    peer.options.read_timeout = Some(Duration::from_secs(5));
+
+    if is_tls {
+        peer.options.verify_cert = false;
+        peer.options.verify_hostname = false;
+        peer.options.alpn = ALPN::H2H1;
+    }
+
+    let mut http_session = CONNECTOR.get_http_session(&peer).await.ok()?;
+    let mut req = RequestHeader::build("GET", path.as_bytes(), None).ok()?;
+
+    let host_header = if (is_tls && port == 443) || (!is_tls && port == 80) {
+        host.to_string()
+    } else {
+        format!("{}:{}", host, port)
+    };
+    req.insert_header("Host", host_header).ok()?;
+    req.insert_header("Accept", "application/json").ok()?;
+
+    match provider {
+        "consul" => {
+            if let Some(token) = token {
+                req.insert_header("X-Consul-Token", token).ok()?;
+            }
+        }
+        "kubernetes" => {
+            if let Some(token) = token {
+                req.insert_header("Authorization", format!("Bearer {}", token)).ok()?;
+            }
+        }
+        _ => {}
+    }
+
+    if http_session.0.write_request_header(Box::new(req)).await.is_err() {
+        CONNECTOR.release_http_session(http_session.0, &peer, None).await;
+        return None;
+    }
+
+    let status = match http_session.0.read_response_header().await {
+        Ok(_) => http_session.0.response_header().map(|r| r.status.as_u16()).unwrap_or(500),
+        Err(e) => {
+            log::warn!("API call failed to read response header for {}: {}", url, e);
+            500
+        }
+    };
+
+    let mut body_bytes = Vec::new();
+    if status == 200 {
+        while let Ok(Some(chunk)) = http_session.0.read_response_body().await {
+            body_bytes.extend_from_slice(&chunk);
+        }
+    }
+
+    CONNECTOR.release_http_session(http_session.0, &peer, None).await;
+
+    if status == 200 && !body_bytes.is_empty() {
+        Some(body_bytes)
+    } else {
+        None
+    }
+}
+
+fn parse_url(url: &str) -> Result<(&str, u16, &str, bool), &'static str> {
+    let is_https = url.starts_with("https://");
+    let default_port = if is_https { 443 } else { 80 };
+
+    let no_scheme = url.split_once("://").map_or(url, |(_, rest)| rest);
+
+    let (authority, uri) = no_scheme.find('/').map_or((no_scheme, "/"), |i| (&no_scheme[..i], &no_scheme[i..]));
+
+    let (host, port) = match authority.split_once(':') {
+        Some((h, p)) => {
+            let port_num = p.parse::<u16>().map_err(|_| "Invalid port number")?;
+            (h, port_num)
+        }
+        None => (authority, default_port),
+    };
+
+    if host.is_empty() {
+        return Err("Empty host in URL");
+    }
+
+    Ok((host, port, uri, is_https))
 }

src/utils/kuberconsul.rs

@@ -196,7 +196,7 @@ impl ServiceDiscovery for ConsulDiscovery {
                         }
 
                         let pref = ss.clone() + &i.upstream;
-                        let list = httpclient::for_consul(pref, consul.token.clone(), &i).await;
+                        let list = httpclient::for_consul(pref.as_str(), consul.token.clone(), &i).await;
                         list_to_upstreams(list, &upstreams, &i);
                     }
                 }

src/utils/lazylock.rs

@@ -1,11 +1,21 @@
 use dashmap::DashMap;
 use moka::sync::Cache;
+use pingora_cache::eviction::simple_lru::Manager;
+use pingora_cache::lock::CacheLock;
+use pingora_cache::MemCache;
 use pingora_limits::rate::Rate;
+use std::collections::HashMap;
 use std::net::IpAddr;
 use std::sync::{Arc, LazyLock};
+use std::sync::{OnceLock, RwLock};
 use std::time::Duration;
 
 pub static REVERSE_STORE: LazyLock<DashMap<String, String>> = LazyLock::new(DashMap::new);
 pub static RATE_LIMITER: LazyLock<Rate> = LazyLock::new(|| Rate::new(Duration::from_secs(1)));
 pub static REQUESTS_4XX: LazyLock<Cache<IpAddr, u32>> = LazyLock::new(|| Cache::builder().time_to_live(Duration::from_secs(1)).build());
 pub static LOCALHOST: LazyLock<Arc<str>> = LazyLock::new(|| Arc::from("localhost"));
+pub static MEM_CACHE: LazyLock<MemCache> = LazyLock::new(MemCache::new);
+pub static CACHE_LOCK: LazyLock<CacheLock> = LazyLock::new(|| CacheLock::new(Duration::from_secs(30)));
+pub static EVICTION: OnceLock<Manager> = OnceLock::new();
+pub static CACHE_TTL: OnceLock<u64> = OnceLock::new();
+pub static CHALLENGES: LazyLock<RwLock<HashMap<String, String>>> = LazyLock::new(|| RwLock::new(HashMap::new()));

src/utils/metrics.rs

@@ -1,3 +1,5 @@
+use crate::utils::lazylock::EVICTION;
+use pingora_cache::eviction::EvictionManager;
 use pingora_http::Method;
 use pingora_http::StatusCode;
 use pingora_http::Version;
@@ -20,6 +22,11 @@ pub static MEMORY_USAGE: LazyLock<IntGauge> = LazyLock::new(|| register_int_gaug
 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 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_EVICTED_ITEMS: LazyLock<IntGauge> = LazyLock::new(|| register_int_gauge!("aralez_cache_evicted_items_total", "Total cache items evicted").unwrap());
 pub static RESPONSE_CODES: LazyLock<IntCounterVec> =
     LazyLock::new(|| register_int_counter_vec!("aralez_responses_total", "Responses grouped by status code", &["status"]).unwrap());
 
@@ -55,6 +62,13 @@ pub fn calc_metrics(metric_types: &MetricTypes) {
     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());
+
+    if let Some(eviction) = EVICTION.get() {
+        CACHE_SIZE_BYTES.set(eviction.total_size() as i64);
+        CACHE_ITEMS.set(eviction.total_items() as i64);
+        CACHE_EVICTED_BYTES.set(eviction.evicted_size() as i64);
+        CACHE_EVICTED_ITEMS.set(eviction.evicted_items() as i64);
+    }
 }
 
 pub(crate) fn get_memory_usage() -> usize {

src/utils/structs.rs

@@ -110,6 +110,8 @@ pub struct AppConfig {
     pub hc_method: String,
     pub upstreams_conf: String,
     pub log_level: String,
+    pub cache_size_mb: Option<usize>,
+    pub cache_ttl: Option<u64>,
     pub access_log: Option<String>,
     pub pid_file: Option<String>,
     pub master_key: Option<String>,

src/utils/tools.rs

@@ -377,3 +377,23 @@ pub fn write_pid_file(path: &str) -> std::io::Result<()> {
     file.write_all(process::id().to_string().as_bytes())?;
     Ok(())
 }
+
+#[allow(clippy::needless_return)]
+pub fn split_host_port(addr: &str, tls: bool) -> Option<(&str, u16, bool, &str)> {
+    match addr.split_once(':') {
+        Some((h, p)) => match p.parse::<u16>() {
+            Ok(port) => return Some((h, port, tls, h)),
+            Err(_) => {
+                log::warn!("ForwardAuth: invalid port in {}", addr);
+                return None;
+            }
+        },
+        None => {
+            if tls {
+                return Some((addr, 443u16, tls, addr));
+            } else {
+                return Some((addr, 80u16, tls, addr));
+            }
+        }
+    };
+}

src/web/acme.rs

@@ -1,5 +1,5 @@
-use crate::tls::acme::order::CHALLENGES;
 use crate::tls::acme::{account, order};
+use crate::utils::lazylock::CHALLENGES;
 use axum::body::Body;
 use axum::extract::State;
 use axum::http::{Response, StatusCode};
@@ -44,10 +44,6 @@ pub async fn acme_order(State(state): State<crate::web::webserver::AppState>, ax
 }
 pub async fn http01_challenge(axum::extract::Path(token): axum::extract::Path<String>) -> impl IntoResponse {
     if let Ok(challenges) = CHALLENGES.read() {
-        // for k in challenges.iter() {
-        //     println!("   ==> {} : {}", k.0, k.1);
-        // }
-
         if let Some(key_authorization) = challenges.get(&token) {
             return Response::builder()
                 .status(StatusCode::OK)

src/web/logging.rs

@@ -10,6 +10,7 @@ use log4rs::{
     config::{Appender, Config as Log4rsConfig, Root},
     encode::pattern::PatternEncoder,
 };
+use pingora_cache::CachePhase;
 use pingora_http::Version;
 use pingora_proxy::Session;
 use std::net::{IpAddr, Ipv4Addr};
@@ -23,6 +24,7 @@ pub struct LogMessage {
     pub client_ip: IpAddr,
     pub version: Version,
     pub user_agent: String,
+    pub cache_status: CachePhase,
 }
 static LOG_SENDER: OnceLock<mpsc::Sender<LogMessage>> = OnceLock::new();
 static ACCESS_LOG: OnceLock<LogLevel> = OnceLock::new();
@@ -126,13 +128,19 @@ pub fn access_log(response_code: u16, summary: &str, session: &Session) {
         .unwrap_or(IpAddr::V4(Ipv4Addr::LOCALHOST));
 
     let user_agent = session.req_header().headers.get("user-agent").and_then(|v| v.to_str().ok()).unwrap_or("-");
-
+    // let cache_status = match session.cache.phase() {
+    //     CachePhase::Hit => "Hit",
+    //     CachePhase::Miss => "Miss",
+    //     CachePhase::Expired => "Expired",
+    //     _ => "Disabled",
+    // };
     let log = LogMessage {
         response_code,
         summary: summary.to_owned(),
         client_ip: ip,
         version: session.req_header().version,
         user_agent: user_agent.to_owned(),
+        cache_status: session.cache.phase(),
     };
 
     if let Some(sender) = LOG_SENDER.get() {
@@ -156,8 +164,13 @@ pub fn init_logging(enabled: Option<String>) {
 pub fn log_receiver(mut receiver: mpsc::Receiver<LogMessage>) {
     while let Some(msg) = receiver.blocking_recv() {
         info!(
-            "{}, {}, client: {}, version: {:?}, useragent: {}",
-            msg.response_code, msg.summary, msg.client_ip, msg.version, msg.user_agent,
+            "{}, {}, {}, client: {}, version: {:?}, useragent: {}",
+            msg.response_code,
+            msg.cache_status.as_str(),
+            msg.summary,
+            msg.client_ip,
+            msg.version,
+            msg.user_agent,
         );
     }
 }

src/web/proxyhttp.rs

@@ -1,5 +1,5 @@
 use crate::utils::auth::authenticate;
-use crate::utils::lazylock::{LOCALHOST, RATE_LIMITER, REQUESTS_4XX, REVERSE_STORE};
+use crate::utils::lazylock::{CACHE_LOCK, CACHE_TTL, EVICTION, LOCALHOST, MEM_CACHE, RATE_LIMITER, REQUESTS_4XX, REVERSE_STORE};
 use crate::utils::metrics::*;
 use crate::utils::structs::{AppConfig, Extraparams, Headers, InnerMap, UpstreamsDashMap, UpstreamsIdMap};
 use crate::web::gethosts::{GetHost, GetHostsReturHeaders};
@@ -8,9 +8,11 @@ use arc_swap::ArcSwap;
 use async_trait::async_trait;
 use axum::body::Bytes;
 use log::error;
-use pingora::http::{RequestHeader, ResponseHeader, StatusCode};
+use pingora::http::{Method, RequestHeader, ResponseHeader, StatusCode};
 use pingora::prelude::*;
 use pingora::ErrorSource::Upstream;
+use pingora_cache::cache_control::CacheControl;
+use pingora_cache::{CacheKey, CacheMetaDefaults, RespCacheable};
 use pingora_core::listeners::ALPN;
 use pingora_core::prelude::HttpPeer;
 use pingora_proxy::{ProxyHttp, Session};
@@ -18,10 +20,10 @@ use sha2::{Digest, Sha256};
 use std::cell::RefCell;
 use std::fmt::Write;
 use std::sync::Arc;
+use std::time::Duration;
 use tokio::time::Instant;
 
 thread_local! {static IP_BUFFER: RefCell<String> = RefCell::new(String::with_capacity(50));}
-
 #[derive(Clone)]
 pub struct LB {
     pub ump_upst: Arc<UpstreamsDashMap>,
@@ -31,6 +33,7 @@ pub struct LB {
     pub server_headers: Arc<Headers>,
     pub config: Arc<AppConfig>,
     pub extraparams: Arc<ArcSwap<Extraparams>>,
+    pub cache_enabled: bool,
 }
 
 pub struct Context {
@@ -57,6 +60,34 @@ impl ProxyHttp for LB {
             x4xx_limit: None,
         }
     }
+
+    fn cache_key_callback(&self, session: &Session, _ctx: &mut Self::CTX) -> Result<CacheKey> {
+        Ok(CacheKey::new(_ctx.hostname.clone().unwrap_or_default().as_ref(), session.req_header().uri.to_string(), ""))
+    }
+    fn request_cache_filter(&self, session: &mut Session, _ctx: &mut Self::CTX) -> Result<()> {
+        if self.cache_enabled && session.req_header().method == Method::GET {
+            if let Some(eviction) = EVICTION.get() {
+                session.cache.enable(&*MEM_CACHE, Some(eviction), None, Some(&*CACHE_LOCK), None);
+            }
+        }
+        Ok(())
+    }
+    fn response_cache_filter(&self, _session: &Session, resp: &ResponseHeader, _ctx: &mut Self::CTX) -> Result<RespCacheable> {
+        let cc = CacheControl::from_resp_headers(resp);
+        let defaults = CacheMetaDefaults::new(
+            |status| {
+                if status == StatusCode::OK {
+                    Some(Duration::from_secs(*CACHE_TTL.get().unwrap_or(&60)))
+                } else {
+                    None
+                }
+            },
+            0,
+            0,
+        );
+        Ok(pingora_cache::filters::resp_cacheable(cc.as_ref(), resp.clone(), false, &defaults))
+    }
+
     async fn request_filter(&self, session: &mut Session, _ctx: &mut Self::CTX) -> Result<bool> {
         ACTIVE_SESSIONS.inc();
         let hostname = return_header_host_from_upstream(session, &self.ump_upst);
@@ -159,8 +190,7 @@ impl ProxyHttp for LB {
             Some(hostname) => match ctx.upstream_peer.as_ref() {
                 Some(innermap) => {
                     let mut peer = Box::new(HttpPeer::new((&*innermap.address, innermap.port), innermap.is_ssl, hostname.to_string()));
-
-                    if innermap.is_http2 {
+                    if innermap.is_http2 && !session.is_upgrade_req() {
                         peer.options.alpn = ALPN::H2;
                     }
                     if innermap.is_ssl {
@@ -308,6 +338,13 @@ impl ProxyHttp for LB {
                 }
             }
         }
+        // match session.cache.phase() {
+        //     CachePhase::Hit => info!("Cache Status: HIT (Served from Memory)"),
+        //     CachePhase::Miss => info!("Cache Status: MISS (Fetched from Upstream)"),
+        //     CachePhase::Expired => info!("Cache Status: EXPIRED (Revalidating)"),
+        //     _ => {}
+        // }
+
         access_log(response_code, &self.request_summary(session, ctx), session);
     }
 }

src/web/start.rs

@@ -2,6 +2,7 @@
 use crate::tls::grades;
 use crate::tls::load;
 use crate::tls::load::CertificateConfig;
+use crate::utils::lazylock::{CACHE_TTL, EVICTION};
 use crate::utils::structs::Extraparams;
 use crate::utils::tools::*;
 use crate::web::logging::init_access_log;
@@ -10,6 +11,7 @@ use arc_swap::ArcSwap;
 use dashmap::DashMap;
 use log::info;
 use pingora::tls::ssl::{SslAlert, SslRef};
+use pingora_cache::eviction::simple_lru::Manager;
 use pingora_core::listeners::tls::TlsSettings;
 use pingora_core::listeners::TcpSocketOptions;
 use pingora_core::prelude::{background_service, Opt};
@@ -32,6 +34,13 @@ pub fn run() {
     let file = parameters.conf.clone().unwrap();
     let maincfg = crate::utils::parceyaml::parce_main_config(file.as_str());
 
+    let cache_enabled = maincfg.cache_size_mb.is_some();
+    CACHE_TTL.set(maincfg.cache_ttl.unwrap_or(60)).unwrap();
+    if let Some(size) = maincfg.cache_size_mb {
+        let cache_size = size * 1024 * 1024;
+        drop(EVICTION.set(Manager::new(cache_size)));
+    }
+
     let mut server = Server::new(parameters).unwrap();
     server.bootstrap();
 
@@ -59,6 +68,7 @@ pub fn run() {
         client_headers: ch_config,
         server_headers: sh_config,
         extraparams: ec_config,
+        cache_enabled: cache_enabled,
     };
     let al = cfg.access_log.clone().unwrap_or("none".to_string());
     init_access_log(al.as_str());