fixed closed #52

Cached headers bug fix

.gitignore

@@ -5,12 +5,13 @@
 *.dll
 *.exe
 *.sh
-/docs/
+*.yaml
 /docs
+assets/
+assets
 /target/
 *.iml
 .idea/
-.etc/
 *.ipr
 *.iws
 /out/
@@ -21,3 +22,5 @@ crashlytics.properties
 crashlytics-build.properties
 /target
 /z_shpo
+/configs
+Makefile

Cargo.toml

@@ -1,7 +1,11 @@
 [package]
 name = "aralez"
-version = "0.9.2"
+version = "0.93.3"
 edition = "2021"
+license = "Apache-2.0"
+description = "Reverse proxy built on top of Cloudflare's Pingora"
+exclude = ["configs/*"]
+repository = "https://github.com/sadoyan/aralez"
 
 [profile.release]
 opt-level = 3
@@ -11,40 +15,50 @@ panic = "abort"
 strip = true
 
 [dependencies]
-tokio = { version = "1.52.3", features = ["full"] }
-pingora = { version = "0.8.0", features = ["lb", "openssl"] } # openssl, rustls, boringssl
-serde = { version = "1.0.228", features = ["derive"] }
+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"
-pingora-core = "0.8.0"
-pingora-proxy = "0.8.0"
-pingora-http = "0.8.0"
-pingora-limits = "0.8.0"
-async-trait = "0.1.89"
-env_logger = "0.11.10"
-log = "0.4.29"
-futures = "0.3.32"
+async-trait = "0.1.92"
+log = "0.4.34"
 notify = "9.0.0-rc.4"
 axum = { version = "0.8.9" }
-reqwest = { version = "0.13.3", features = ["json", "stream", "blocking"] }
-serde_yml = "0.0.12"
-rand = "0.10.1"
-base64 = "0.22.1"
-jsonwebtoken = { version = "10.4.0", default-features = false, features = ["use_pem", "rust_crypto"] }
-tonic = "0.14.6"
+serde = { version = "1.0.229", features = ["derive"] }
+noyalib = { version = "0.0.32", features = ["compat-serde-yaml"] }
+rand = "0.10.2"
+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"
-arc-swap = "1.9.1"
-mimalloc = { version = "0.1.50", default-features = false }
+arc-swap = "1.9.2"
 prometheus = "0.14.0"
 x509-parser = "0.18.1"
 rustls-pemfile = "2.2.0"
-tower-http = { version = "0.6.10", features = ["fs"] }
+tower-http = { version = "0.7.1", features = ["fs"] }
 privdrop = "0.5.6"
-ctrlc = "3.5.2"
-serde_json = "1.0.149"
+serde_json = "1.0.151"
 subtle = "2.6.1"
-moka = { version = "0.12.15", features = ["sync"] }
+moka = { version = "0.12.16", features = ["sync"] }
 ahash = "0.8.12"
 instant-acme = "0.8.5"
-rcgen = "0.14.7"
+rcgen = "0.14.10"
+log4rs = { version = "1.4.0", features = ["rolling_file_appender", "compound_policy", "size_trigger", "fixed_window_roller", "gzip"] }
+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 = "1.11.1"
+hyper-util = "0.1.20"
+http-body-util = "0.1.5"
+bytes = "1.12.1"
+
+rustls = { version = "0.23", default-features = false, features = ["ring"] }
+kube = { version = "4.2.0", features = ["runtime", "client", "derive"] }
+k8s-openapi = { version = "0.28.0", features = ["v1_32"] }
+futures = "0.3.34"

Makefile

@@ -1,23 +0,0 @@
-update:
-	cargo update --verbose
-
-features:
-	cargo features
-
-checkup:
-	cargo clippy --workspace --all-targets --all-features -- -D warnings
-	cargo check --workspace --all-targets --all-features
-
-fix:
-	cargo fix
-
-fix-all:
-	cargo fix --all
-	cargo clippy --workspace --all-targets --all-features --fix
-
-test:
-	cargo test --workspace --all-targets --all-features
-
-.PHONY: update features checkup fix fix-all test
-
-# -- ⚝ by Dave -- in NeoVim ⚝ --

README.md

@@ -6,26 +6,36 @@
 
 ### **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.
 
-[![Buy Me A Coffee](https://img.shields.io/badge/☕-Buy%20me%20a%20coffee-orange)](https://www.buymeacoffee.com/sadoyan)
+---
+
+## Links
+
+- [**Documentation**](https://aralez.rs) : The manual you should read
+- [**Downloads**](https://github.com/sadoyan/aralez/releases) : Binary downloads
+- [**Issues**](https://github.com/sadoyan/aralez/issues) : Issues and requests
+- [**Crates**](https://crates.io/crates/aralez) : The Rust crate registry
+- [**DockerHUB**](https://hub.docker.com/r/sadoyan/aralez) : DockerHUB official repository
+- [**GitHUB Packages**](https://github.com/sadoyan/aralez/pkgs/container/aralez) : GitHUB ghcr.io images
 
 ---
 
 ## Key Features
 
 - **Dynamic Config Reloads** — Upstreams can be updated live via API, no restart required.
-- **Yes loading of certificates** — Auto load certificates from a folder, without a restart.
-- **Let’s Encrypt Certificates** — Yes ordering and renewal of SSL/TLS certificates via the HTTP-01 challenge
+- **Autoload of certificates** — Automatically loads new/changed certificates from a folder, without a restart.
+- **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
@@ -37,8 +47,8 @@ Built on Rust, on top of **Cloudflare’s Pingora engine**, **Aralez** delivers
     - `file` Upstreams are declared in config file.
     - `consul` Upstreams are dynamically updated from Hashicorp Consul.
     - `kubernetes` Upstreams are dynamically updated from kubernetes api server.
-- **Yes WebSocket Support:** WS connection upgrades are handled automatically.
-- **Yes gRPC Support:** gRPC detected and handled automatically.
+- **Auto WebSocket Support:** WS connection upgrades are handled automatically.
+- **Auto gRPC Support:** gRPC detected and handled automatically.
 - **Header Injection:** Global and per-route server/client headers injection.
 - **Remote Config Push:** Lightweight HTTP API to update configs from CI/CD or other systems.
 - **Memory Safe** — 100% Rust.
@@ -50,37 +60,36 @@ Built on Rust, on top of **Cloudflare’s Pingora engine**, **Aralez** delivers
 
 ### `main.yaml`
 
-| Key                              | Example Value          | Description                                                                                        |
-|----------------------------------|------------------------|----------------------------------------------------------------------------------------------------|
-| **threads**                      | 12                     | Number of running daemon threads. Optional, defaults to 1                                          |
-| **runuser**                      | aralez                 | Optional, Username for running aralez after dropping root privileges, requires to launch as root   |
-| **rungroup**                     | aralez                 | Optional,Group for running aralez after dropping root privileges, requires to launch as root       |
-| **daemon**                       | false                  | Run in background (boolean)                                                                        |
-| **upstream_keepalive_pool_size** | 500                    | Pool size for upstream keepalive connections                                                       |
-| **pid_file**                     | /tmp/aralez.pid        | Path to PID file                                                                                   |
-| **error_log**                    | /tmp/aralez_err.log    | Path to error log file                                                                             |
-| **upgrade_sock**                 | /tmp/aralez.sock       | Path to live upgrade socket file                                                                   |
-| **config_address**               | 0.0.0.0:3000           | HTTP API address for pushing upstreams.yaml from remote location                                   |
-| **proxy_tls_grade**              | (high, medium, unsafe) | Grade of TLS ciphers, for easy configuration. High matches Qualys SSL Labs A+ (defaults to medium) |
-| **config_tls_key_file**          | etc/key.pem            | Private Key file path. Mandatory if proxy_address_tls is set, else optional                        |
-| **proxy_address_http**           | 0.0.0.0:6193           | Aralez HTTP bind address                                                                           |
-| **proxy_address_tls**            | 0.0.0.0:6194           | Aralez HTTPS bind address (Optional)                                                               |
-| **proxy_configs**                | etc/                   | The top directory of config files                                                                  |
-| **upstreams_conf**               | etc/upstreams.yaml     | The location of upstreams file                                                                     |
-| **log_level**                    | info                   | Log level , possible values : info, warn, error, debug, trace, off                                 |
-| **hc_method**                    | HEAD                   | Healthcheck method (HEAD, GET, POST are supported) UPPERCASE                                       |
-| **hc_interval**                  | 2                      | Interval for health checks in seconds                                                              |
-| **master_key**                   | Random long string     | Master key for working with API server and JWT Secret generation                                   |
-| **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. Can set as upstream for public access                     |
-| **config_api_enabled**           | true                   | Boolean to enable/disable remote config push capability                                            |
+| Key                              | Example Value                    | Description                                                                                                                                                           |
+|----------------------------------|----------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| **threads**                      | 12                               | Number of running daemon threads. Optional, defaults to 1                                                                                                             |
+| **runuser**                      | aralez                           | Optional. Username for running aralez after dropping root privileges (requires launch as root)                                                                        |
+| **rungroup**                     | aralez                           | Optional. Group for running aralez after dropping root privileges (requires launch as root)                                                                           |
+| **daemon**                       | false                            | Run in background (boolean)                                                                                                                                           |
+| **upstream_keepalive_pool_size** | 500                              | Pool size for upstream keepalive connections                                                                                                                          |
+| **pid_file**                     | /tmp/aralez.pid                  | Path to PID file                                                                                                                                                      |
+| **config_address**               | 0.0.0.0:3000                     | HTTP API address for pushing upstreams.yaml from remote location                                                                                                      |
+| **proxy_tls_grade**              | high, medium, unsafe             | Grade of TLS ciphers. `high` matches Qualys SSL Labs A+ (defaults to `medium`)                                                                                        |
+| **proxy_address_http**           | 0.0.0.0:6193                     | Aralez HTTP bind address                                                                                                                                              |
+| **proxy_address_tls**            | 0.0.0.0:6194                     | Aralez HTTPS bind address (Optional)                                                                                                                                  |
+| **proxy_configs**                | /etc/aralez/                     | Direcotry containing configuration files, must be writeable by user  `aralez`                                                                                         |
+| **upstreams_conf**               | /etc/aralez/upstreams.yaml       | Location of the upstreams file                                                                                                                                        |
+| **access_log**                   | access                           | Configure access logging. Values: `access, error`                                                                                                                     |
+| **log_level**                    | info                             | Log level: `info`, `warn`, `error`, `debug`, `trace`, `off`                                                                                                           |
+| **log_file**                     | /tmp/aralez.log, 20, 5, compress | Optional, the location of log file, file size in megabytes, number of log files to keep, compress files .valueas are separated by comma. Defaults to None, 100, 5, No |
+| **hc_method**                    | HEAD                             | Healthcheck method: HEAD, GET, POST (UPPERCASE)                                                                                                                       |
+| **hc_interval**                  | 2                                | Interval for health checks in seconds                                                                                                                                 |
+| **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:
 
@@ -98,8 +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.
 
@@ -109,11 +117,28 @@ For getting the best performance on newer hardware use `aralez-x86_64-*.gz`.
 **Via docker**
 
 ```shell
-docker run -d \
-  -v /local/path/to/config:/etc/aralez:ro \
-  -p 80:80 \
-  -p 443:443 \
-  sadoyan/aralez
+docker run -d -v /path/to/config:/etc/aralez:rw -p 80:80 -p 443:443 sadoyan/aralez
+docker run -d -v /path/to/config:/etc/aralez:rw -p 80:80 -p 443:443 sadoyan/aralez:compat
+docker run -d -v /path/to/config:/etc/aralez:rw -p 80:80 -p 443:443 ghcr.io/sadoyan/aralez:latest
+docker run -d -v /path/to/config:/etc/aralez:rw -p 80:80 -p 443:443 ghcr.io/sadoyan/aralez:compat
+```
+
+**Dockerfile :**
+
+```dockerfile
+FROM debian:trixie-slim
+
+RUN apt-get update && apt-get install -y ca-certificates curl net-tools iputils-ping
+RUN apt-get clean && rm -rf /var/lib/apt/lists/*
+
+COPY aralez /usr/local/bin/aralez
+
+RUN chmod +x /usr/local/bin/aralez
+RUN mkdir -p /etc/aralez/certs/upstreams
+
+WORKDIR /etc/aralez
+
+ENTRYPOINT ["/usr/local/bin/aralez", "-c", "/etc/aralez/main.yaml"]
 ```
 
 ## Running the Proxy
@@ -124,7 +149,7 @@ docker run -d \
 
 ## Systemd integration
 
-Assuming Arales in installed in `/opt/aralez` folder
+Assuming Aralez in installed in `/opt/aralez` folder
 
 ```bash
 cat > /etc/systemd/system/aralez.service <<EOF
@@ -163,9 +188,10 @@ systemctl restart aralez.service.
 
 ```yaml
 provider: "file"
-sticky_sessions: false
+sticky_sessions: 8600
 to_https: false
-rate_limit: 10
+rate_limit: 20
+x4xx_limit: 20
 server_headers:
   - "X-Forwarded-Proto:https"
   - "X-Forwarded-Port:443"
@@ -176,7 +202,8 @@ client_headers:
 myhost.mydomain.com:
   paths:
     "/":
-      rate_limit: 20
+      rate_limit: 10
+      x4xx_limit: 10
       to_https: false
       server_headers:
         - "X-Something-Else:Foobar"
@@ -210,15 +237,20 @@ DEFAULT:
 
 **This means:**
 
-- Sticky sessions are disabled globally. This setting applies to all upstreams. If enabled all requests will be 301 redirected to HTTPS.
+- Sticky sessions are enabled globally. This setting applies to all upstreams. If enabled the value will be set for `Max-Age=` cookie.
 - HTTP to HTTPS redirect disabled globally, but can be overridden by `to_https` setting per upstream.
 - All upstreams will receive custom headers : `X-Forwarded-Proto:https` and `X-Forwarded-Port:443`
 - Additionally, myhost.mydomain.com with path `/` will receive custom headers : `X-Another-Header:Hohohohoho` and `X-Something-Else:Foobar`
-- Requests to each hosted domains will be limited to 10 requests per second per virtualhost.
+- Requests with response 4xx to each hosted domains will be limited to 20 requests per second per virtualhost.
+    - Requests limits are calculated per requester ip plus requested virtualhost.
+    - If the requester exceeds the limit it will receive `429 Too Many Requests` error.
+    - Optional. Rate limiter will be disabled if the parameter is entirely removed from config.
+- Requests to each hosted domains will be limited to 20 requests per second per virtualhost.
     - Requests limits are calculated per requester ip plus requested virtualhost.
     - If the requester exceeds the limit it will receive `429 Too Many Requests` error.
     - Optional. Rate limiter will be disabled if the parameter is entirely removed from config.
 - Requests to `myhost.mydomain.com/` will be limited to 20 requests per second.
+- Requests with 4xx responses to `myhost.mydomain.com/` will be limited to 10 requests per second.
 - Requests to `myhost.mydomain.com/` will be proxied to `127.0.0.1` and `127.0.0.2`.
 - Plain HTTP to `myhost.mydomain.com/foo` will get 301 redirect to configured TLS port of Aralez.
 - `myhost.mydomain.com/foo` will require authentication with JWT token, signed by `266463d1-210a-4787-9a81-4aacb37a8723`.
@@ -230,10 +262,8 @@ DEFAULT:
 - Global headers (CORS for this case) will be injected to all upstreams.
 - Additional headers will be injected into the request for `myhost.mydomain.com`.
 - You can choose any path, deep nested paths are supported, the best match chosen.
-- All requests to servers will require JWT token authentication (You can comment out the authorization to disable it),
-    - Firs parameter specifies the mechanism of authorisation `jwt`
-    - Second is the secret key for validating `jwt` tokens
 - `DEFAULT` catch up everything else and proxy to `127.0.0.1:3000`
+    - This is a special upstream and in order to do the catch-up jub it must be **DEFAULT** all capitals
 
 ---
 
@@ -249,17 +279,25 @@ DEFAULT:
 To enable TLS for the proxy server.
 
 - Set `proxy_address_tls` in `main.yaml`
-- Provide at least on  `tls_certificate/tls_key_file` pair.
+- Provide at least one  `tls_certificate/tls_key_file` pair.
     - First pair is required to create the TLS listener.
     - This pair can be anything, even self-signed with dummy domain.
     - After getting normal certificate it can be deleted
 
+```shell
+mkdir -p /etc/aralez/certificates
+chown -R aralez:aralez /etc/aralez
+cd /etc/aralez/certificates
+openssl req -x509 -newkey rsa:4096 \
+	-keyout dummy.key -out dummy.crt -sha256 -days 3650 -nodes \
+	-subj "/C=XX/ST=StateName/L=CityName/O=CompanyName/OU=CompanySectionName/CN=CommonNameOrHostname"
+```
+
 ---
 
 ## 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}
@@ -340,22 +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++    |
 
 ---
@@ -402,7 +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
@@ -458,7 +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
@@ -516,7 +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.
@@ -529,10 +567,3 @@ The results show requests per second performed by Load balancer. You can see 3 b
 1. Requests via http1.1 to plain text endpoint.
 2. Requests to via http2 to SSL endpoint.
 3. Mixed workload with plain http1.1 and htt2 SSL.
-
-## Links
-
-- [**Documentation**](https://aralez.rs) : The manual you should read
-- [**Downloads**](https://github.com/sadoyan/aralez/releases) : Binary downloads
-- [**Issues**](https://github.com/sadoyan/aralez/issues) : Issues and requests 
-

etc/consul/apache.hcl.example

@@ -0,0 +1,66 @@
+job "apache" {
+  meta {
+    uuid = uuidv4()
+  }
+  datacenters = ["eu-ams-1"]
+  type = "service"
+  constraint {
+    attribute = node.unique.name
+    operator  = "regexp"
+    value     = "consul[0-9]"
+  }
+  update {
+    max_parallel      = 1
+    min_healthy_time  = "10s"
+    healthy_deadline  = "3m"
+    progress_deadline = "10m"
+    auto_revert       = false
+    canary            = 0
+  }
+  migrate {
+    max_parallel     = 1
+    health_check     = "checks"
+    min_healthy_time = "10s"
+    healthy_deadline = "5m"
+  }
+  group "Apache" {
+    network {
+      port "apache" { to = 80 }
+    }
+    constraint {
+      operator = "distinct_hosts"
+      value    = "true"
+    }
+    count = 3
+    restart {
+      attempts = 2
+      interval = "30m"
+      delay    = "15s"
+      mode     = "fail"
+    }
+    task "health" {
+      service {
+        port = "apache"
+        tags = [
+          "aralez.service=yes",
+          "aralez.host=apache.example.com",
+          "aralez.path=/",
+          "aralez.redirect=http://checkip.amazonaws.com"
+        ]
+        check {
+          type     = "http"
+          port     = "apache"
+          path     = "/"
+          interval = "5s"
+          timeout  = "2s"
+        }
+      }
+      driver = "docker"
+      config {
+        image      = "httpd:latest"
+        force_pull = true
+        ports = ["apache"]
+      }
+    }
+  }
+}

etc/consul/echo.hcl.example

@@ -0,0 +1,70 @@
+job "echo" {
+  meta {
+    uuid = uuidv4()
+  }
+  datacenters = ["eu-ams-1"]
+  type = "service"
+  constraint {
+    attribute = node.unique.name
+    operator  = "regexp"
+    value     = "consul[0-9]"
+  }
+  update {
+    max_parallel      = 1
+    min_healthy_time  = "10s"
+    healthy_deadline  = "3m"
+    progress_deadline = "10m"
+    auto_revert       = false
+    canary            = 0
+  }
+  migrate {
+    max_parallel     = 1
+    health_check     = "checks"
+    min_healthy_time = "10s"
+    healthy_deadline = "5m"
+  }
+  group "Echo" {
+    network {
+      port "echo" { to = 80 }
+    }
+    constraint {
+      operator = "distinct_hosts"
+      value    = "true"
+    }
+    count = 3
+    restart {
+      attempts = 2
+      interval = "30m"
+      delay    = "15s"
+      mode     = "fail"
+    }
+    task "server" {
+      service {
+        port = "echo"
+        tags = [
+          "aralez.service=yes",
+          "aralez.host=echo.example.com",
+          "aralez.path=/",
+          "aralez.rate=20",
+          "aralez.4xx_rate=10",
+          "aralez.to_https=true",
+          "aralez.client_header=X-Client-Header:Some simple header",
+          "aralez.server_header=X-Server-Header:Some simple header",
+        ]
+        check {
+          type     = "http"
+          port     = "echo"
+          path     = "/"
+          interval = "5s"
+          timeout  = "2s"
+        }
+      }
+      driver = "docker"
+      config {
+        image      = "ealen/echo-server:latest"
+        force_pull = true
+        ports = ["echo"]
+      }
+    }
+  }
+}

etc/consul/nginx.hcl.example

@@ -0,0 +1,72 @@
+job "nginx" {
+  meta {
+    uuid = uuidv4()
+  }
+  datacenters = ["eu-ams-1"]
+  type = "service"
+  constraint {
+    attribute = node.unique.name
+    operator  = "regexp"
+    value     = "consul[0-9]"
+  }
+  update {
+    max_parallel      = 1
+    min_healthy_time  = "10s"
+    healthy_deadline  = "3m"
+    progress_deadline = "10m"
+    auto_revert       = false
+    canary            = 0
+  }
+  migrate {
+    max_parallel     = 1
+    health_check     = "checks"
+    min_healthy_time = "10s"
+    healthy_deadline = "5m"
+  }
+  group "NginX" {
+    network {
+      port "nginx" { to = 80 }
+    }
+    constraint {
+      operator = "distinct_hosts"
+      value    = "true"
+    }
+    count = 3
+    restart {
+      attempts = 2
+      interval = "30m"
+      delay    = "15s"
+      mode     = "fail"
+    }
+    task "server" {
+      service {
+        port = "nginx"
+        tags = [
+          "aralez.service=yes",
+          "aralez.host=nginx.example.com",
+          "aralez.path=/",
+          "aralez.rate=1",
+          "aralez.4xx_rate=10",
+          "aralez.to_https=true",
+          "aralez.client_header=X-Some:Some Random Header",
+          "aralez.client_header=X-Emos:Redaeh Modnar Emos",
+          "aralez.server_header=X-From:Aralez & Consul",
+          "aralez.server_header=X-Mrof: Lusnoc & Zelara",
+        ]
+        check {
+          type     = "http"
+          port     = "nginx"
+          path     = "/"
+          interval = "5s"
+          timeout  = "2s"
+        }
+      }
+      driver = "docker"
+      config {
+        image      = "nginx:latest"
+        force_pull = true
+        ports = ["nginx"]
+      }
+    }
+  }
+}

etc/kubernetes/aralez-certificate-secret.yml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: aralez-tls
+type: kubernetes.io/tls
+data:
+  tls.crt: <base64-cert>
+  tls.key: <base64-key>
+

etc/kubernetes/aralez-example-deployment.yml

@@ -0,0 +1,43 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: aralez
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: aralez
+  template:
+    metadata:
+      labels:
+        app: aralez
+    spec:
+      serviceAccountName: aralez-sa
+      containers:
+        - name: aralez
+          image: sadoyan/aralez:latest
+          ports:
+            - containerPort: 80
+            - containerPort: 443
+          volumeMounts:
+            - name: main-config
+              mountPath: /etc/aralez/main.yaml
+              subPath: main.yaml
+              readOnly: true
+            - name: upstreams-config
+              mountPath: /etc/aralez/upstreams.yml
+              subPath: upstreams.yml
+              readOnly: true
+            - name: tls-certs
+              mountPath: /etc/aralez/certificates
+              readOnly: true
+      volumes:
+        - name: main-config
+          configMap:
+            name: aralez-main-config
+        - name: upstreams-config
+          configMap:
+            name: aralez-upstreams-config
+        - name: tls-certs
+          secret:
+            secretName: aralez-tls

etc/kubernetes/aralez-example-main.yml

@@ -0,0 +1,16 @@
+threads: 12
+daemon: false
+upstream_keepalive_pool_size: 500
+pid_file: /tmp/aralez.pid
+error_log: /tmp/aralez_err.log
+upgrade_sock: /tmp/aralez.sock
+config_api_enabled: false
+config_address: 127.0.0.1:3000
+proxy_address_http: 0.0.0.0:80
+proxy_address_tls: 0.0.0.0:443
+proxy_configs: /etc/aralez
+proxy_tls_grade: high
+upstreams_conf: /etc/aralez/upstreams.yml
+log_level: info
+hc_method: HEAD
+hc_interval: 2

etc/kubernetes/aralez-example-upstreams.yml

@@ -0,0 +1,14 @@
+# The file under watch and hot reload, changes are applied immediately, no need to restart or reload.
+provider: "kubernetes" # "file" "consul" "kubernetes"
+sticky_sessions: 172000
+to_https: false
+rate_limit: 500000
+x4xx_limit: 100000
+server_headers:
+  - "X-Forwarded-Proto:https"
+  - "X-Forwarded-Port:443"
+client_headers:
+  - "X-Global-Client:Yooooooo"
+kubernetes:
+  servers:
+    - "127.0.0.1:6443" # Gets KUBERNETES_SERVICE_HOST : KUBERNETES_SERVICE_PORT_HTTPS env variables.

etc/kubernetes/nginx-example-deployment.yml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: svc-nginx
+  labels:
+    app: svc-nginx
+spec:
+  selector:
+    matchLabels:
+      app: svc-nginx
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: svc-nginx
+    spec:
+      containers:
+      - name: svc-nginx
+        image: nginx:latest
+        ports:
+        - containerPort: 80

etc/kubernetes/nginx-example-ingress.yml

@@ -0,0 +1,24 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: wss-service-v2
+  namespace: default
+  annotations:
+    # These custom annotations are parsed by Aralez
+    aralez.rs/rate_limit: "50"
+    aralez.rs/x4xx_limit: "10"
+    aralez.rs/client_headers: '["X-Some-Client:Some Custom Header", "X-Example-Client:An Example Header"]'
+    aralez.rs/server_headers: '["X-Some-Server:Some Custom Header", "X-Example-Server:An Example Header"]'
+spec:
+  ingressClassName: aralez  # Matches the IngressClass metadata
+  rules:
+    - host: wss-service-v2.blabla.com
+      http:
+        paths:
+          - path: /ws
+            pathType: Prefix
+            backend:
+              service:
+                name: svc-nginx
+                port:
+                  number: 80

etc/kubernetes/nginx-example-service.yml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: svc-nginx
+spec:
+  selector:
+    app: svc-nginx
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80

etc/main.yaml

@@ -2,21 +2,26 @@
 threads: 12 # Number of daemon threads default setting
 runuser: aralez # Username for running aralez after dropping root privileges, requires program to start as root
 rungroup: aralez # Group for running aralez after dropping root privileges, requires program to start as root
-daemon: false # Run in background
 upstream_keepalive_pool_size: 500 # Pool size for upstream keepalive connections
 pid_file: /tmp/aralez.pid # Path to PID file
-error_log: /tmp/aralez_err.log # Path to error log
 upgrade_sock: /tmp/aralez.sock # Path to socket file
 config_api_enabled: true # Boolean to enable/disable remote config push capability.
-config_address: 0.0.0.0:3000 # HTTP API address for pushing upstreams.yaml from remote location
-proxy_address_http: 0.0.0.0:6193 # Proxy HTTP bind address
-proxy_address_tls: 0.0.0.0:6194 # Optional, Proxy TLS bind address
-proxy_configs: /opt/aralez/etc # Mandatory if proxy_address_tls set, should contain a certificate and key files strictly in a format {NAME}.crt, {NAME}.key.
-proxy_tls_grade: a+ # Grade of TLS suite for proxy (a+, a, b, c, unsafe), matching grades of Qualys SSL Labs
+config_address: 127.0.0.1:3000 # HTTP API address for pushing upstreams.yaml from remote location
+proxy_address_http: 0.0.0.0:80 # Proxy HTTP bind address
+proxy_address_tls: 0.0.0.0:443 # Optional, Proxy TLS bind address
+proxy_configs: /opt/aralez/asyncweb/etc # Mandatory if proxy_address_tls set, should contain a certificate and key files strictly in a format {NAME}.crt, {NAME}.key.
+proxy_tls_grade: high # Grade of TLS suite for proxy (high, medium, unsafe), matching grades of Qualys SSL Labs
 upstreams_conf: /opt/aralez/etc/upstreams.yaml # the location of upstreams file
-file_server_folder: /opt/storage # Optional, local folder to serve
-file_server_address: 127.0.0.1:3002 # Optional, Local address for file server. Can set as upstream for public access.
+file_server_folder: /opt/aralez/public # Optional, local folder to serve
+file_server_address: 0.0.0.0:3002 # Optional, Local address for file server. Can set as upstream for public access.
 log_level: info # info, warn, error, debug, trace, off
+log_file: /tmp/aralez.log, 20, 5, compress # Optional, the location of log file, file size in megabytes, number of log files to keep, compress files .valueas are separated by comma.
+access_log: error # all, error, (Off if commented)
 hc_method: HEAD # Healthcheck method (HEAD, GET, POST are supported) UPPERCASE
 hc_interval: 2 #Interval for health checks in seconds
-master_key: 910517d9-f9a1-48de-8826-dbadacbd84af-cb6f830e-ab16-47ec-9d8f-0090de732774 # Mater key for working with API server and JWT Secret
+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
+

etc/stresstest.yaml

@@ -1,19 +0,0 @@
-provider: "file"
-globals:
-  headers:
-    - "Access-Control-Allow-Origin:*"
-    - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
-    - "Access-Control-Max-Age:86400"
-    - "X-Custom-Header:Something Special"
-upstreams:
-  myip.netangels.net:
-    paths:
-      "/":
-        ssl: false
-        headers:
-          - "X-Proxy-From:Aralez"
-        servers:
-          - "192.168.221.213:8000"
-          - "192.168.221.214:8000"
-          - "192.168.221.210:8000"
-          - "192.168.221.212:8000"

etc/upstreams.yaml

@@ -1,48 +1,44 @@
 # The file under watch and hot reload, changes are applied immediately, no need to restart or reload.
 provider: "file" # "file" "consul" "kubernetes"
-sticky_sessions: false
+sticky_sessions: 172000
 to_https: false
-rate_limit: 100
+rate_limit: 500000
+x4xx_limit: 100000
 server_headers:
-  - "X-Forwarded-Proto:https"
-  - "X-Forwarded-Port:443"
+  - "Y-Global-Something: Something For Servers"
 client_headers:
-  - "Access-Control-Allow-Origin:*"
-  - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
-  - "Access-Control-Max-Age:86400"
+  - "X-Global-Something: Something For Clients"
 #authorization:
-#  type: "jwt"
-#  creds: "910517d9-f9a1-48de-8826-dbadacbd84af-cb6f830e-ab16-47ec-9d8f-0090de732774"
 #  type: "basic"
-#  creds: "username:Pa$$w0rd"
-#  type: "apikey"
-#  creds: "5ecbf799-1343-4e94-a9b5-e278af5cd313-56b45249-1839-4008-a450-a60dc76d2bae"
+#  data: "root:toor"
+#  type: "jwt"
+#  data: "910517d9-f9a1-48de-8826-dbadacbd84af-cb6f830e-ab16-47ec-9d8f-0090de732774"
+#    type: "apikey"
+#    data: "5ecbf799-1343-4e94-a9b5-e278af5cd313-56b45249-1839-4008-a450-a60dc76d2bae"
 consul:
   servers:
-    - "http://192.168.1.199:8500"
-    - "http://192.168.1.200:8500"
-    - "http://192.168.1.201:8500"
+    - "http://consul1:8500"
   services: # hostname: The hostname to access the proxy server, upstream : The real service name in Consul database.
-    - hostname: "webapi-service"
-      upstream: "webapi-service-health"
+    - hostname: "nconsul"
+      upstream: "nginx-consul-NginX-health"
       path: "/one"
       client_headers:
         - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
         - "X-Proxy-From:Aralez"
       rate_limit: 1
       to_https: false
-    - hostname: "webapi-service"
-      upstream: "webapi-service-health"
+    - hostname: "nconsul"
+      upstream: "nginx-consul-NginX-health"
       path: "/"
   token: "8e2db809-845b-45e1-8b47-2c8356a09da0-a4370955-18c2-4d6e-a8f8-ffcc0b47be81" # Consul server access token, If Consul auth is enabled
 kubernetes:
   servers:
-    - "192.168.1.55:443" #For testing only, overrides with KUBERNETES_SERVICE_HOST : KUBERNETES_SERVICE_PORT_HTTPS env variables.
+    - "172.16.0.11:5443" # Gets KUBERNETES_SERVICE_HOST : KUBERNETES_SERVICE_PORT_HTTPS env variables.
   services:
-    - hostname: "webapi-service"
+    - hostname: "api-service"
+      upstream: "api-service"
       path: "/"
-      upstream: "webapi-service"
-    - hostname: "webapi-service"
+    - hostname: "api-service"
       upstream: "console-service"
       path: "/one"
       client_headers:
@@ -50,70 +46,92 @@ kubernetes:
         - "X-Proxy-From:Aralez"
       rate_limit: 100
       to_https: false
-    - hostname: "webapi-service"
-      upstream: "rambul-service"
+    - hostname: "api-service"
+      upstream: "feed-fanout-service"
       path: "/two"
     - hostname: "websocket-service"
       upstream: "websocket-service"
       path: "/"
-  tokenpath: "/path/to/kubetoken.txt" #If not set, will default to /var/run/secrets/kubernetes.io/serviceaccount/token
+  tokenpath: "/opt/Rust/Projects/asyncweb/etc/kubetoken.txt" # Defaults to /var/run/secrets/kubernetes.io/serviceaccount/token
 upstreams:
-  myip.mydomain.com:
+  www.example.com:
     paths:
       "/":
-        rate_limit: 200
+        rate_limit: 50
+        x4xx_limit: 100
         to_https: false
-        client_headers:
-          - "X-Proxy-From:Aralez"
-        servers:
-          - "127.0.0.1:8000"
-          - "127.0.0.2:8000"
-          - "127.0.0.3:8000"
-          - "127.0.0.4:8000"
-          - "127.0.0.5:8000"
-      "/ping":
-        authorization: # Will be ignored if global authentication is enabled. 
+        authorization:
           type: "basic"
-          creds: "admin:admin"
-        to_https: false
+          data: "root:toor"
         server_headers:
-          - "X-Forwarded-Proto:https"
-          - "X-Forwarded-Port:443"
+          - "Y-Proxy-Server-Some:Yaaaaaaaaaaaaaaa"
+          - "Y-Proxy-Server-From:Aralez"
+          - "Y-Proxy-Server-Vers:Aralez v-xxx"
         client_headers:
-          - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
-          - "X-Proxy-From:Aralez"
+          - "Access-Control-Allow-Origin:*"
+          - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
+          - "Access-Control-Max-Age:86400"
+          - "Strict-Transport-Security:max-age=31536000; includeSubDomains; preload"
         servers:
           - "127.0.0.1:8000"
           - "127.0.0.2:8000"
-      "/draw":
-        servers:
-          - "192.168.1.1:8000"
-  polo.mydomain.com:
-    paths:
-      "/":
-        to_https: false
-        client_headers:
-          - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
-        servers:
-          - "192.168.1.1:8000"
-          - "192.168.1.10:8000"
-          - "127.0.0.1:8000"
-          - "127.0.0.2:8000"
           - "127.0.0.3:8000"
-          - "127.0.0.4:8000"
-  apt.mydomain.com:
+      "/ping":
+        to_https: true
+        client_headers:
+          - "X-Some-Thing:Something Else"
+          - "Access-Control-Allow-Origin:*"
+          - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
+          - "Access-Control-Max-Age:86400"
+          - "Strict-Transport-Security:max-age=31536000; includeSubDomains; preload"
+        servers:
+          - "127.0.0.1:8000"
+      "/secret":
+        authorization:
+          type: "forward"
+          data: "http://127.0.0.1:8899/admin/login"
+        servers:
+          - "127.0.0.10:8000"
+  example.com:
     paths:
       "/":
+        redirect_to: "https://www.example.com:443"
         servers:
-          - "192.168.1.10:443"
+          - "127.0.0.1:80"
+  h2.example.com:
+    paths:
+      "/":
+        server_headers:
+          - "Y-Global-Something: Yes this is something"
+        client_headers:
+          - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
+        rate_limit: 60
+        x4xx_limit: 30
+        authorization:
+          type: "jwt"
+        servers:
+          - "127.0.0.1:8000"
+          - "127.0.0.2:8000"
       "/.well-known/acme-challenge":
         healthcheck: false
         servers:
           - "127.0.0.1:8001"
-  rdr.mydomain.com:
-    paths:
-      "/":
-        redirect_to: "https://som.other.domain:6194"
+      "/400":
+        rate_limit: 4
+        x4xx_limit: 2
+        servers:
+          - "127.0.0.1:8899"
+      "/500":
         healthcheck: false
         servers:
-          - "127.0.0.1:8080"
+          - "127.0.0.1:8899"
+  DEFAULT:
+    paths:
+      "/":
+        healthcheck: false
+        servers:
+          - "127.0.0.1:3000"
+      "/.well-known/acme-challenge":
+        healthcheck: false
+        servers:
+          - "127.0.0.1:3000"

src/main.rs

@@ -7,5 +7,10 @@ static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
 // pub static A: CountingAllocator = CountingAllocator;
 
 fn main() {
+    if std::env::args().any(|a| a == "--version" || a == "-v") {
+        println!("aralez {}", env!("CARGO_PKG_VERSION"));
+        std::process::exit(0);
+    }
+
     web::start::run();
 }

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

@@ -1,14 +1,19 @@
 pub mod auth;
+pub mod consul;
 pub mod discovery;
 mod filewatch;
 pub mod fordebug;
+pub mod grpc;
+pub mod hcclient;
 pub mod healthcheck;
 pub mod httpclient;
 pub mod jwt;
 pub mod kuberconsul;
+pub mod kubernetes;
+pub mod kubewatcher;
+pub mod lazylock;
 pub mod metrics;
 pub mod parceyaml;
 pub mod state;
 pub mod structs;
 pub mod tools;
-// pub mod watchksecret;

src/utils/auth.rs

@@ -1,21 +1,18 @@
-use crate::utils::jwt::check_jwt;
-// use reqwest::Client;
+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;
-use pingora_proxy::Session;
-use std::collections::HashMap;
-use std::sync::{Arc, LazyLock};
-use subtle::ConstantTimeEq;
-use urlencoding::decode;
-
-// use pingora::http::{RequestHeader, ResponseHeader, StatusCode};
 use pingora::http::RequestHeader;
-// --------------------------------- //
 use pingora_core::connectors::http::Connector;
 use pingora_core::upstreams::peer::HttpPeer;
 use pingora_http::ResponseHeader;
-// --------------------------------- //
+use pingora_proxy::Session;
+use std::collections::HashMap;
+use std::sync::LazyLock;
+use subtle::ConstantTimeEq;
+use urlencoding::decode;
 
 #[async_trait::async_trait]
 trait AuthValidator {
@@ -23,7 +20,7 @@ trait AuthValidator {
 }
 struct BasicAuth<'a>(&'a str);
 struct ApiKeyAuth<'a>(&'a str);
-struct JwtAuth<'a>(&'a str);
+struct JwtAuth();
 struct ForwardAuth<'a>(&'a str);
 
 pub static AUTH_CONNECTOR: LazyLock<Connector> = LazyLock::new(|| Connector::new(None));
@@ -180,17 +177,18 @@ impl AuthValidator for ApiKeyAuth<'_> {
 }
 
 #[async_trait::async_trait]
-impl AuthValidator for JwtAuth<'_> {
+impl AuthValidator for JwtAuth {
     async fn validate(&self, session: &mut Session) -> bool {
-        let jwtsecret = self.0;
-        if let Some(tok) = get_query_param(session, "araleztoken") {
-            return check_jwt(tok.as_str(), jwtsecret);
-        }
-        if let Some(auth_header) = session.get_header("authorization") {
-            if let Ok(header_str) = auth_header.to_str() {
-                if let Some((scheme, token)) = header_str.split_once(' ') {
-                    if scheme.eq_ignore_ascii_case("bearer") {
-                        return check_jwt(token, jwtsecret);
+        if let Some(jwtsecret) = JWT_TOKEN.clone() {
+            if let Some(tok) = get_query_param(session, "araleztoken") {
+                return check_jwt(tok.as_str(), jwtsecret.as_ref());
+            }
+            if let Some(auth_header) = session.get_header("authorization") {
+                if let Ok(header_str) = auth_header.to_str() {
+                    if let Some((scheme, token)) = header_str.split_once(' ') {
+                        if scheme.eq_ignore_ascii_case("bearer") {
+                            return check_jwt(token, jwtsecret.as_ref());
+                        }
                     }
                 }
             }
@@ -199,14 +197,14 @@ impl AuthValidator for JwtAuth<'_> {
     }
 }
 
-pub async fn authenticate(auth_type: &Arc<str>, credentials: &Arc<str>, session: &mut Session) -> bool {
-    match &**auth_type {
-        "basic" => BasicAuth(credentials).validate(session).await,
-        "apikey" => ApiKeyAuth(credentials).validate(session).await,
-        "jwt" => JwtAuth(credentials).validate(session).await,
-        "forward" => ForwardAuth(credentials).validate(session).await,
+pub async fn authenticate(auth: &InnerAuth, session: &mut Session) -> bool {
+    match &*auth.auth_type {
+        "basic" => BasicAuth(&*auth.auth_cred).validate(session).await,
+        "apikey" => ApiKeyAuth(&*auth.auth_cred).validate(session).await,
+        "jwt" => JwtAuth().validate(session).await,
+        "forward" => ForwardAuth(&*auth.auth_cred).validate(session).await,
         _ => {
-            log::warn!("Unsupported authentication mechanism : {}", auth_type);
+            log::warn!("Unsupported authentication mechanism : {}", &*auth.auth_type);
             false
         }
     }
@@ -227,22 +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/consul.rs

@@ -0,0 +1,91 @@
+use crate::utils::httpclient;
+use crate::utils::kuberconsul::{list_to_upstreams, ServiceDiscovery};
+use crate::utils::parceyaml::build_headers;
+use crate::utils::structs::{Configuration, GlobalServiceMapping, UpstreamsDashMap};
+use async_trait::async_trait;
+use dashmap::DashMap;
+use pingora::prelude::sleep;
+use rand::RngExt;
+use serde::Deserialize;
+use std::env;
+use std::sync::Arc;
+use std::time::Duration;
+use tokio::sync::mpsc::Sender;
+
+#[derive(Debug, Deserialize)]
+pub struct ConsulService {
+    #[serde(rename = "Address")]
+    pub address: String,
+    #[serde(rename = "ServicePort")]
+    pub port: u16,
+}
+pub struct ConsulDiscovery;
+
+#[async_trait]
+impl ServiceDiscovery for ConsulDiscovery {
+    async fn fetch_upstreams(&self, config: Arc<Configuration>, toreturn: Sender<Configuration>) {
+        loop {
+            let upstreams = UpstreamsDashMap::new();
+
+            if let Some(consul) = config.consul.clone() {
+                let servers = consul.servers.unwrap_or_else(|| {
+                    vec![format!(
+                        "{}:{}",
+                        env::var("CONSUL_SERVICE_HOST").unwrap_or_else(|_| "0.0.0.0".to_string()),
+                        env::var("CONSUL_SERVICE_PORT").unwrap_or_else(|_| "0".to_string())
+                    )]
+                });
+                let end = servers.len().saturating_sub(1);
+                let num = if end > 0 { rand::rng().random_range(0..end) } else { 0 };
+                let consul_data = servers.get(num).unwrap().to_string();
+                let ss = format!("{}/v1/catalog/service/", consul_data);
+                let dc = format!("{}/v1/catalog/services?filter=%22aralez.service=yes%22+in+ServiceTags", consul_data);
+
+                if let Some(infolist) = httpclient::for_consul_list(dc.as_str(), consul.token.clone()).await {
+                    for (k, v) in infolist {
+                        let client_header_map: DashMap<Arc<str>, Vec<(String, Arc<str>)>> = DashMap::new();
+                        let mut client_header_list = Vec::new();
+                        build_headers(&v.client_headers, config.as_ref(), &mut client_header_list);
+
+                        let sever_header_map: DashMap<Arc<str>, Vec<(String, Arc<str>)>> = DashMap::new();
+                        let mut server_header_list = Vec::new();
+                        build_headers(&v.server_headers, config.as_ref(), &mut server_header_list);
+
+                        if !client_header_list.is_empty() {
+                            let path_key = v.path.clone();
+                            client_header_map.insert(Arc::from(path_key), client_header_list);
+                            config.client_headers.insert(Arc::from(v.host.clone()), client_header_map);
+                        }
+                        if !server_header_list.is_empty() {
+                            let path_key = v.path.clone();
+                            sever_header_map.insert(Arc::from(path_key), server_header_list);
+                            config.server_headers.insert(Arc::from(v.host.clone()), sever_header_map);
+                        }
+                        let pref = format!("{}{}", ss, k);
+                        let gsm = &GlobalServiceMapping {
+                            upstream: k.clone(),
+                            hostname: v.host.clone(),
+                            path: Some(v.path),
+                            to_https: v.to_https,
+                            redirect_to: v.redirect,
+                            authorization: v.auth,
+                            rate_limit: v.rate,
+                            x4xx_limit: v.xrate,
+                            client_headers: v.client_headers,
+                            server_headers: v.server_headers,
+                        };
+
+                        let list = httpclient::for_consul(pref.as_str(), consul.token.clone(), gsm).await;
+                        list_to_upstreams(list, &upstreams, gsm);
+                    }
+                }
+            }
+
+            if let Some(lt) = crate::utils::kuberconsul::clone_compare(&upstreams, &config).await {
+                let _ = toreturn.send(lt).await;
+            }
+
+            sleep(Duration::from_secs(5)).await;
+        }
+    }
+}

src/utils/discovery.rs

@@ -1,21 +1,20 @@
+use crate::utils::consul::ConsulDiscovery;
 use crate::utils::filewatch;
-use crate::utils::kuberconsul::{ConsulDiscovery, KubernetesDiscovery, ServiceDiscovery};
+use crate::utils::kuberconsul::ServiceDiscovery;
+use crate::utils::kubernetes::KubernetesDiscovery;
 use crate::utils::structs::{Configuration, UpstreamsDashMap};
 use crate::web::webserver;
 use async_trait::async_trait;
-use futures::channel::mpsc::Sender;
 use std::sync::Arc;
+use tokio::sync::mpsc::Sender;
 
 pub struct APIUpstreamProvider {
     pub config_api_enabled: bool,
     pub address: String,
-    pub masterkey: String,
+    pub masterkey: Option<String>,
     pub certs_dir: String,
     pub config_dir: String,
     pub upstreams_file: String,
-    // pub tls_address: Option<String>,
-    // pub tls_certificate: Option<String>,
-    // pub tls_key_file: Option<String>,
     pub file_server_address: Option<String>,
     pub file_server_folder: Option<String>,
     pub current_upstreams: Arc<UpstreamsDashMap>,
@@ -49,7 +48,7 @@ impl Discovery for APIUpstreamProvider {
 #[async_trait]
 impl Discovery for FromFileProvider {
     async fn start(&self, tx: Sender<Configuration>) {
-        tokio::spawn(filewatch::start(self.path.clone(), tx.clone()));
+        tokio::spawn(filewatch::start(self.path.clone(), tx));
     }
 }
 

src/utils/filewatch.rs

@@ -1,16 +1,15 @@
 use crate::utils::parceyaml::load_configuration;
 use crate::utils::structs::Configuration;
-use futures::channel::mpsc::Sender;
-use futures::SinkExt;
 use log::error;
 use notify::event::ModifyKind;
 use notify::{Config, Event, EventKind, RecommendedWatcher, RecursiveMode, Watcher};
 use pingora::prelude::sleep;
 use std::path::Path;
 use std::time::{Duration, Instant};
+use tokio::sync::mpsc::Sender;
 use tokio::task;
 
-pub async fn start(fp: String, mut toreturn: Sender<Configuration>) {
+pub async fn start(fp: String, toreturn: Sender<Configuration>) {
     sleep(Duration::from_millis(50)).await; // For having nice logs :-)
     let file_path = fp.as_str();
     let parent_dir = Path::new(file_path).parent().unwrap();
@@ -37,9 +36,8 @@ pub async fn start(fp: String, mut toreturn: Sender<Configuration>) {
         match event {
             Ok(e) => match e.kind {
                 EventKind::Modify(ModifyKind::Data(_)) | EventKind::Create(..) | EventKind::Remove(..) => {
-                    if e.paths[0].to_str().unwrap().ends_with("yaml") && start.elapsed() > Duration::from_secs(2) {
+                    if start.elapsed() > Duration::from_secs(2) {
                         start = Instant::now();
-                        // info!("Config File changed :=> {:?}", e);
                         let snd = load_configuration(file_path, "filepath").await.0;
                         if let Some(snd) = snd {
                             toreturn.send(snd).await.unwrap();

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

@@ -1,47 +1,36 @@
+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::time::interval;
-use tonic::transport::Endpoint;
+use tokio::net::TcpStream;
+use tokio::time::{interval, timeout};
+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);
+                    REVERSE_STORE.clear();
                 }
             }
         }
     }
 }
 
-/*
-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() {
@@ -53,36 +42,36 @@ async fn build_upstreams(fullist: &UpstreamsDashMap, method: &str, client: &Clie
             let mut innervec = Vec::new();
 
             for upstream in path_entry.value().0.iter() {
-                let tls = detect_tls(upstream.address.as_ref(), &upstream.port, client).await;
-                let is_h2 = matches!(tls.1, Some(Version::HTTP_2));
-
-                let link = if tls.0 {
-                    format!("https://{}:{}{}", upstream.address, upstream.port, path)
+                let tls = if upstream.healthcheck.unwrap_or(true) {
+                    detect_tls(upstream.address.as_ref(), &upstream.port, host).await
                 } else {
-                    format!("http://{}:{}{}", upstream.address, upstream.port, path)
+                    false
                 };
-
                 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,
                     healthcheck: upstream.healthcheck,
                     redirect_to: upstream.redirect_to.clone(),
                     authorization: upstream.authorization.clone(),
                 };
 
                 if scheme.healthcheck.unwrap_or(true) {
-                    let resp = http_request(&link, method, "", client).await;
+                    let link = if tls {
+                        format!("https://{}:{}{}", upstream.address, upstream.port, path)
+                    } else {
+                        format!("http://{}:{}{}", upstream.address, upstream.port, path)
+                    };
+                    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));
@@ -95,54 +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,
-        }
-    }
-
-    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)),
+async fn detect_tls(ip: &str, port: &u16, sni: &str) -> bool {
+    let addr = format!("{ip}:{port}");
+    let timeout_duration = Duration::from_secs(2); // THINK !!!
+    let stream = match timeout(timeout_duration, TcpStream::connect(&addr)).await {
+        Ok(Ok(s)) => s,
+        Ok(Err(_)) => return false,
         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) => {
-            // println!("{} => {:?} (HTTP)", http_url, response.version());
-            (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

@@ -1,83 +1,235 @@
-use crate::utils::kuberconsul::{match_path, ConsulService, KubeEndpoints};
+use crate::utils::consul::ConsulService;
+use crate::utils::kuberconsul::match_path;
+use crate::utils::kubernetes::KubeEndpoints;
 use crate::utils::structs::{GlobalServiceMapping, InnerMap};
-use axum::http::{HeaderMap, HeaderValue};
+use ahash::HashMap;
 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 serde::{Deserialize, Serialize};
 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());
+pub static CONNECTOR: LazyLock<Connector> = LazyLock::new(|| Connector::new(None));
+
+#[derive(Debug, Default, Serialize, Deserialize, Clone)]
+pub struct ConsulServicesInternal {
+    #[serde(rename = "aralez.host")]
+    pub host: String,
+    #[serde(rename = "aralez.path")]
+    pub path: String,
+    #[serde(rename = "aralez.auth")]
+    pub auth: Option<String>,
+    #[serde(rename = "aralez.redirect")]
+    pub redirect: Option<String>,
+    #[serde(rename = "aralez.rate")]
+    pub rate: Option<isize>,
+    #[serde(rename = "aralez.4xx_rate")]
+    pub xrate: Option<u32>,
+    #[serde(rename = "aralez.client_headers")]
+    pub client_headers: Option<Vec<String>>,
+    #[serde(rename = "aralez.server_headers")]
+    pub server_headers: Option<Vec<String>>,
+    #[serde(rename = "aralez.to_https")]
+    pub to_https: Option<bool>,
+}
+pub type ConsulServices = HashMap<String, ConsulServicesInternal>;
+pub async fn for_consul_list(url: &str, token: Option<String>) -> Option<ConsulServices> {
+    if let Some(data) = getfromapi(url, token, "consul").await {
+        let yo = parse_services(data);
+        if let Ok(y) = yo {
+            return Some(y);
+        }
         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,
-            redirect_to: None,
-            healthcheck: None,
-            authorization: None,
-        });
-        inner_vec.push(to_add);
-    }
-    match_path(conf, &upstreams, inner_vec);
-    Some(upstreams)
+    None
+}
+
+fn parse_services(json: Vec<u8>) -> Result<ConsulServices, serde_json::Error> {
+    let raw: HashMap<String, Vec<String>> = serde_json::from_slice(&json)?;
+    Ok(raw
+        .into_iter()
+        .map(|(service, tags)| {
+            let mut internal = ConsulServicesInternal::default();
+            for tag in tags {
+                if let Some((key, value)) = tag.split_once('=') {
+                    match key {
+                        "aralez.host" => internal.host = value.to_string(),
+                        "aralez.path" => internal.path = value.to_string(),
+                        "aralez.rate" => internal.rate = value.parse::<isize>().ok(),
+                        "aralez.4xx_rate" => internal.xrate = value.parse::<u32>().ok(),
+                        "aralez.to_https" => internal.to_https = value.parse::<bool>().ok(),
+                        "aralez.auth" => internal.auth = Option::from(value.to_string()),
+                        "aralez.redirect" => internal.redirect = Option::from(value.to_string()),
+                        "aralez.client_header" => internal.client_headers.get_or_insert_default().push(value.to_string()),
+                        "aralez.server_header" => internal.server_headers.get_or_insert_default().push(value.to_string()),
+                        _ => {}
+                    }
+                }
+            }
+
+            (service, internal)
+        })
+        .collect())
+}
+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 to_add = Arc::from(InnerMap {
+                address: Arc::from(&*subsets.address),
+                port: subsets.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,
+                redirect_to: conf.redirect_to.clone().map(Arc::<str>::from),
+                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,
-                            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))
+}
+
+// fn base64_decode(encoded: &str) -> Option<String> {
+//     let decoded_bytes = general_purpose::STANDARD.decode(encoded).unwrap_or_default();
+//     let decoded: Result<HashMap<String, String>, serde_json::Error> = serde_json::from_slice(&decoded_bytes);
+//     println!("Decoded: {:?}", decoded);
+//     None
+// }

src/utils/jwt.rs

@@ -4,8 +4,9 @@ use jsonwebtoken::{decode, Algorithm, DecodingKey, Validation};
 use moka::sync::Cache;
 use moka::Expiry;
 use serde::{Deserialize, Serialize};
+use std::env;
 use std::hash::{Hash, Hasher};
-use std::sync::LazyLock;
+use std::sync::{Arc, LazyLock};
 use std::time::{Duration, Instant, SystemTime};
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -23,6 +24,11 @@ struct Expired {
 
 static JWT_VALIDATION: LazyLock<Validation> = LazyLock::new(|| Validation::new(Algorithm::HS256));
 
+pub static JWT_TOKEN: LazyLock<Option<Arc<str>>> = LazyLock::new(|| match env::var("JWT_KEY") {
+    Ok(key) if !key.is_empty() => Some(Arc::from(key.as_str())),
+    _ => None,
+});
+
 static JWT_CACHE: LazyLock<Cache<u64, u64>> = LazyLock::new(|| Cache::builder().max_capacity(100_000).expire_after(JwtExpiry).build());
 struct JwtExpiry;
 impl Expiry<u64, u64> for JwtExpiry {

src/utils/kuberconsul.rs

@@ -1,217 +1,50 @@
-use crate::utils::httpclient;
-use crate::utils::parceyaml::build_headers;
 use crate::utils::structs::{Configuration, GlobalServiceMapping, InnerMap, UpstreamsDashMap};
 use crate::utils::tools::{clone_dashmap_into, compare_dashmaps, print_upstreams};
 use async_trait::async_trait;
 use dashmap::DashMap;
-use futures::channel::mpsc::Sender;
-use futures::SinkExt;
-use pingora::prelude::sleep;
-use rand::RngExt;
-use serde::Deserialize;
-use std::collections::HashMap;
-use std::env;
-use std::fs;
-use std::path::Path;
 use std::sync::atomic::AtomicUsize;
 use std::sync::Arc;
-use std::time::Duration;
 use tokio::fs::File;
 use tokio::io::AsyncReadExt;
+use tokio::sync::mpsc::Sender;
 
-#[derive(Debug, serde::Deserialize)]
-pub struct KubeEndpoints {
-    pub subsets: Option<Vec<KubeSubset>>,
-}
-#[derive(Debug, serde::Deserialize)]
-pub struct KubeSubset {
-    pub addresses: Option<Vec<KubeAddress>>,
-    pub ports: Option<Vec<KubePort>>,
-}
-
-#[derive(Debug, serde::Deserialize)]
-pub struct KubeAddress {
-    pub ip: String,
-}
-
-#[derive(Debug, serde::Deserialize)]
-pub struct KubePort {
-    pub port: u16,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct ConsulService {
-    #[serde(rename = "ServiceTaggedAddresses")]
-    pub tagged_addresses: HashMap<String, ConsulTaggedAddress>,
-}
-
-#[derive(Debug, Deserialize)]
-pub struct ConsulTaggedAddress {
-    #[serde(rename = "Address")]
-    pub address: String,
-    #[serde(rename = "Port")]
-    pub port: u16,
-}
 #[allow(clippy::type_complexity)]
 pub fn list_to_upstreams(lt: Option<DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)>>, upstreams: &UpstreamsDashMap, i: &GlobalServiceMapping) {
     if let Some(list) = lt {
-        match upstreams.get(&*i.hostname.clone()) {
+        let key: Arc<str> = Arc::from(i.hostname.as_str());
+        match upstreams.get(&key) {
             Some(upstr) => {
                 for (k, v) in list {
-                    upstr.value().insert(k.to_owned(), v);
+                    upstr.value().insert(k, v);
                 }
             }
             None => {
-                upstreams.insert(Arc::from(i.hostname.clone()), list);
+                upstreams.insert(key, list);
             }
         };
     }
 }
 
 pub fn match_path(conf: &GlobalServiceMapping, upstreams: &DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)>, values: Vec<Arc<InnerMap>>) {
-    match conf.path {
-        Some(ref p) => {
-            upstreams.insert(Arc::from(p.clone()), (values, AtomicUsize::new(0)));
-        }
-        None => {
-            upstreams.insert(Arc::from("/"), (values, AtomicUsize::new(0)));
-        }
-    }
+    let path = conf.path.as_deref().unwrap_or("/");
+    upstreams.insert(Arc::from(path), (values, AtomicUsize::new(0)));
 }
 
-async fn read_token(path: &str) -> String {
+pub async fn read_token(path: &str) -> String {
     let mut file = File::open(path).await.unwrap();
     let mut contents = String::new();
     file.read_to_string(&mut contents).await.unwrap();
     contents.trim().to_string()
 }
+
 #[async_trait]
 pub trait ServiceDiscovery {
     async fn fetch_upstreams(&self, config: Arc<Configuration>, toreturn: Sender<Configuration>);
 }
 
-pub struct KubernetesDiscovery;
-pub struct ConsulDiscovery;
-
-#[async_trait]
-impl ServiceDiscovery for KubernetesDiscovery {
-    async fn fetch_upstreams(&self, config: Arc<Configuration>, mut toreturn: Sender<Configuration>) {
-        let prev_upstreams = UpstreamsDashMap::new();
-
-        if let Some(kuber) = config.kubernetes.clone() {
-            let servers = kuber.servers.unwrap_or(vec![format!(
-                "{}:{}",
-                env::var("KUBERNETES_SERVICE_HOST").unwrap_or("0.0.0.0".to_string()),
-                env::var("KUBERNETES_SERVICE_PORT_HTTPS").unwrap_or("0".to_string())
-            )]);
-
-            let end = servers.len().saturating_sub(1);
-            let num = if end > 0 { rand::rng().random_range(0..end) } else { 0 };
-            let server = servers.get(num).unwrap().to_string();
-            let path = kuber.tokenpath.unwrap_or("/var/run/secrets/kubernetes.io/serviceaccount/token".to_string());
-            let namespace = get_current_namespace().unwrap_or_else(|| "default".to_string());
-            let token = read_token(path.as_str()).await;
-            loop {
-                let upstreams = UpstreamsDashMap::new();
-                if let Some(kuber) = config.kubernetes.clone() {
-                    if let Some(svc) = kuber.services {
-                        for service in svc {
-                            let header_list: DashMap<Arc<str>, Vec<(String, Arc<str>)>> = DashMap::new();
-                            let mut hl = Vec::new();
-                            build_headers(&service.client_headers, config.as_ref(), &mut hl);
-                            if !hl.is_empty() {
-                                match service.path.clone() {
-                                    Some(path) => {
-                                        header_list.insert(Arc::from(path.as_str()), hl);
-                                    }
-                                    None => {
-                                        header_list.insert(Arc::from("/"), hl);
-                                    }
-                                }
-
-                                // header_list.insert(Arc::from(path.as_str()), hl);
-                                // header_list.insert(Arc::from(i.path).unwrap_or(Arc::from("/")).as_str(), hl);
-                                config.client_headers.insert(Arc::from(service.hostname.clone()), header_list);
-                            }
-                            let url = format!("https://{}/api/v1/namespaces/{}/endpoints/{}", server, namespace, service.hostname);
-                            // let url = format!("https://{}/api/v1/namespaces/{}/endpoints?labelSelector=app", server, namespace);
-                            let list = httpclient::for_kuber(&url, &token, &service).await;
-                            // println!("{:?}", list);
-                            list_to_upstreams(list, &upstreams, &service);
-                        }
-                    }
-                    if let Some(lt) = clone_compare(&upstreams, &prev_upstreams, &config).await {
-                        toreturn.send(lt).await.unwrap();
-                    }
-                }
-                sleep(Duration::from_secs(5)).await;
-            }
-        }
-    }
-}
-
-fn get_current_namespace() -> Option<String> {
-    let ns_path = "/var/run/secrets/kubernetes.io/serviceaccount/namespace";
-    if Path::new(ns_path).exists() {
-        if let Ok(contents) = fs::read_to_string(ns_path) {
-            return Some(contents.trim().to_string());
-        }
-    }
-    std::env::var("POD_NAMESPACE").ok()
-}
-
-#[async_trait]
-impl ServiceDiscovery for ConsulDiscovery {
-    async fn fetch_upstreams(&self, config: Arc<Configuration>, mut toreturn: Sender<Configuration>) {
-        let prev_upstreams = UpstreamsDashMap::new();
-        loop {
-            let upstreams = UpstreamsDashMap::new();
-
-            if let Some(consul) = config.consul.clone() {
-                let servers = consul.servers.unwrap_or(vec![format!(
-                    "{}:{}",
-                    env::var("CONSUL_SERVICE_HOST").unwrap_or("0.0.0.0".to_string()),
-                    env::var("CONSUL_SERVICE_PORT").unwrap_or("0".to_string())
-                )]);
-                let end = servers.len().saturating_sub(1);
-                let num = if end > 0 { rand::rng().random_range(0..end) } else { 0 };
-                let consul_data = servers.get(num).unwrap().to_string();
-                let ss = consul_data + "/v1/catalog/service/";
-
-                if let Some(svc) = consul.services {
-                    for i in svc {
-                        let header_list = DashMap::new();
-                        let mut hl = Vec::new();
-                        build_headers(&i.client_headers, config.as_ref(), &mut hl);
-                        if !hl.is_empty() {
-                            match i.path.clone() {
-                                Some(path) => {
-                                    header_list.insert(Arc::from(path.as_str()), hl);
-                                }
-                                None => {
-                                    header_list.insert(Arc::from("/"), hl);
-                                }
-                            }
-                            // header_list.insert(i.path.clone().unwrap_or("/".to_string()), hl);
-                            config.client_headers.insert(Arc::from(i.hostname.clone()), header_list);
-                        }
-
-                        let pref = ss.clone() + &i.upstream;
-                        let list = httpclient::for_consul(pref, consul.token.clone(), &i).await;
-                        list_to_upstreams(list, &upstreams, &i);
-                    }
-                }
-            }
-            if let Some(lt) = clone_compare(&upstreams, &prev_upstreams, &config).await {
-                toreturn.send(lt).await.unwrap();
-            }
-            sleep(Duration::from_secs(5)).await;
-        }
-    }
-}
-async fn clone_compare(upstreams: &UpstreamsDashMap, prev_upstreams: &UpstreamsDashMap, config: &Arc<Configuration>) -> Option<Configuration> {
-    if !compare_dashmaps(upstreams, prev_upstreams) {
-        let tosend: Configuration = Configuration {
+pub async fn clone_compare(upstreams: &UpstreamsDashMap, config: &Arc<Configuration>) -> Option<Configuration> {
+    if !compare_dashmaps(upstreams, &config.upstreams) {
+        let tosend = Configuration {
             upstreams: Default::default(),
             client_headers: config.client_headers.clone(),
             server_headers: config.server_headers.clone(),
@@ -220,10 +53,11 @@ async fn clone_compare(upstreams: &UpstreamsDashMap, prev_upstreams: &UpstreamsD
             typecfg: config.typecfg.clone(),
             extraparams: config.extraparams.clone(),
         };
-        clone_dashmap_into(upstreams, prev_upstreams);
+        clone_dashmap_into(upstreams, &config.upstreams);
         clone_dashmap_into(upstreams, &tosend.upstreams);
-        print_upstreams(&tosend.upstreams);
+
+        print_upstreams(&tosend.upstreams, &tosend.extraparams);
         return Some(tosend);
-    };
+    }
     None
 }

src/utils/kubernetes.rs

@@ -0,0 +1,157 @@
+use crate::utils::httpclient;
+use crate::utils::kubewatcher::{start_ingress_watcher_with_config, AralezRouteUpdate};
+use crate::utils::parceyaml::build_headers;
+use crate::utils::structs::{Configuration, GlobalServiceMapping, UpstreamsDashMap};
+use async_trait::async_trait;
+use dashmap::DashMap;
+use log::error;
+use rand::RngExt;
+use std::env;
+use std::fs;
+use std::path::Path;
+use std::sync::Arc;
+
+use crate::utils::kuberconsul::{clone_compare, list_to_upstreams, ServiceDiscovery};
+use rustls::crypto::ring::default_provider;
+use rustls::crypto::CryptoProvider;
+use tokio::sync::mpsc::Sender;
+
+#[derive(Debug, serde::Deserialize)]
+pub struct KubeEndpoints {
+    pub subsets: Option<Vec<KubeSubset>>,
+}
+
+#[derive(Debug, serde::Deserialize)]
+pub struct KubeSubset {
+    pub addresses: Option<Vec<KubeAddress>>,
+    pub ports: Option<Vec<KubePort>>,
+}
+
+#[derive(Debug, serde::Deserialize)]
+pub struct KubeAddress {
+    pub ip: String,
+}
+
+#[derive(Debug, serde::Deserialize)]
+pub struct KubePort {
+    pub port: u16,
+}
+pub struct KubernetesDiscovery;
+
+#[async_trait]
+impl ServiceDiscovery for KubernetesDiscovery {
+    async fn fetch_upstreams(&self, config: Arc<Configuration>, toreturn: Sender<Configuration>) {
+        if let Some(kuber) = config.kubernetes.clone() {
+            let servers = kuber.servers.unwrap_or_else(|| {
+                vec![format!(
+                    "{}:{}",
+                    env::var("KUBERNETES_SERVICE_HOST").unwrap_or_else(|_| "0.0.0.0".to_string()),
+                    env::var("KUBERNETES_SERVICE_PORT_HTTPS").unwrap_or_else(|_| "0".to_string())
+                )]
+            });
+
+            let end = servers.len().saturating_sub(1);
+            let num = if end > 0 { rand::rng().random_range(0..end) } else { 0 };
+            let server = servers.get(num).unwrap().to_string();
+            let path = kuber.tokenpath.unwrap_or_else(|| "/var/run/secrets/kubernetes.io/serviceaccount/token".to_string());
+            let namespace = get_current_namespace().unwrap_or_else(|| "default".to_string());
+            let token = crate::utils::kuberconsul::read_token(path.as_str()).await;
+
+            if CryptoProvider::get_default().is_none() {
+                default_provider().install_default().expect("Failed to install rustls crypto provider");
+            }
+
+            let (tx, mut rx) = tokio::sync::mpsc::channel::<AralezRouteUpdate>(100);
+            let srv = server.clone();
+            let tok = token.clone();
+            tokio::spawn(async move {
+                if let Err(e) = start_ingress_watcher_with_config(srv.as_str(), tok.as_str(), tx, "aralez").await {
+                    error!("Fatal watcher error: {:?}", e);
+                }
+            });
+
+            let upstreams = UpstreamsDashMap::new();
+
+            while let Some(update) = rx.recv().await {
+                let host_key: Arc<str> = Arc::from(update.host.as_str());
+
+                if update.is_deleted {
+                    upstreams.remove(&host_key);
+                    config.client_headers.remove(&host_key);
+                } else {
+                    let service = GlobalServiceMapping {
+                        upstream: update.service_name.clone(),
+                        hostname: update.host.clone(),
+                        path: Some(update.path.clone()),
+                        to_https: None,
+                        redirect_to: None,
+                        authorization: None,
+                        // sticky_sessions: update.sticky_sessions,
+                        rate_limit: update.rate_limit,
+                        x4xx_limit: update.x4xx_limit,
+                        client_headers: None,
+                        server_headers: None,
+                    };
+
+                    let cheader_list: DashMap<Arc<str>, Vec<(String, Arc<str>)>> = DashMap::new();
+                    let sheader_list: DashMap<Arc<str>, Vec<(String, Arc<str>)>> = DashMap::new();
+
+                    let mut client_headers_list = Vec::new();
+                    let mut server_headers_list = Vec::new();
+
+                    let mut chl: Option<Vec<String>> = None;
+                    let mut shl: Option<Vec<String>> = None;
+
+                    if let Some(hdr) = service.client_headers.as_ref() {
+                        chl.get_or_insert_with(Vec::new).extend(hdr.iter().cloned());
+                    }
+                    if let Some(hdr) = service.server_headers.as_ref() {
+                        shl.get_or_insert_with(Vec::new).extend(hdr.iter().cloned());
+                    }
+
+                    if let Some(ch) = update.client_headers {
+                        chl.get_or_insert_with(Vec::new).extend(ch);
+                    }
+                    if let Some(hdr) = update.server_headers.as_ref() {
+                        shl.get_or_insert_with(Vec::new).extend(hdr.iter().cloned());
+                    }
+
+                    build_headers(&chl, config.as_ref(), &mut client_headers_list);
+                    if !client_headers_list.is_empty() {
+                        let path_key = service.path.as_deref().unwrap_or("/");
+                        cheader_list.insert(Arc::from(path_key), client_headers_list);
+                        config.client_headers.insert(host_key.clone(), cheader_list);
+                    }
+
+                    build_headers(&shl, config.as_ref(), &mut server_headers_list);
+                    if !server_headers_list.is_empty() {
+                        let path_key = service.path.as_deref().unwrap_or("/");
+                        sheader_list.insert(Arc::from(path_key), server_headers_list);
+                        config.server_headers.insert(host_key.clone(), sheader_list);
+                    }
+                    let url = format!("https://{}/api/v1/namespaces/{}/endpoints/{}", server, namespace, update.service_name);
+                    let list = httpclient::for_kuber(&url, &token, &service).await;
+
+                    if list.is_none() {
+                        error!("Endpoint URL: {} returned empty/invalid response", url);
+                    }
+
+                    list_to_upstreams(list, &upstreams, &service);
+                }
+                if let Some(lt) = clone_compare(&upstreams, &config).await {
+                    let _ = toreturn.send(lt).await;
+                }
+            }
+        }
+    }
+}
+
+fn get_current_namespace() -> Option<String> {
+    let ns_path = "/var/run/secrets/kubernetes.io/serviceaccount/namespace";
+    if Path::new(ns_path).exists() {
+        if let Ok(contents) = fs::read_to_string(ns_path) {
+            return Some(contents.trim().to_string());
+        }
+    }
+    env::var("POD_NAMESPACE").ok()
+}

src/utils/kubewatcher.rs

@@ -0,0 +1,271 @@
+use futures::StreamExt;
+use hyper::Uri;
+use k8s_openapi::api::core::v1::{Node, Service};
+use k8s_openapi::api::networking::v1::Ingress;
+use kube::api::{Patch, PatchParams};
+use kube::{
+    api::Api,
+    client::Client,
+    config::{AuthInfo, Config},
+    runtime::watcher::{self, Event},
+};
+use log::{error, info};
+use serde_json::json;
+use std::time::Duration;
+use tokio::sync::mpsc;
+
+pub struct AralezRouteUpdate {
+    pub host: String,
+    pub path: String,
+    pub service_name: String,
+    pub is_deleted: bool,
+    pub rate_limit: Option<isize>,
+    pub x4xx_limit: Option<u32>,
+    pub sticky_sessions: Option<u64>,
+    pub client_headers: Option<Vec<String>>,
+    pub server_headers: Option<Vec<String>>,
+}
+
+#[derive(Debug, Clone)]
+struct AralezAnnotation {
+    rate_limit: Option<isize>,
+    x4xx_limit: Option<u32>,
+    sticky_sessions: Option<u64>,
+    pub client_headers: Option<Vec<String>>,
+    pub server_headers: Option<Vec<String>>,
+}
+
+pub async fn start_ingress_watcher_with_config(
+    api_server: &str,
+    token: &str,
+    tx: mpsc::Sender<AralezRouteUpdate>,
+    target_class: &'static str,
+) -> Result<(), Box<dyn std::error::Error>> {
+    let client = create_custom_k8s_client(api_server, token, true).await?;
+    let ingresses: Api<Ingress> = Api::all(client.clone());
+
+    let watcher_config = watcher::Config::default().any_semantic();
+    let mut stream = watcher::watcher(ingresses, watcher_config).boxed();
+
+    while let Some(event) = stream.next().await {
+        match event {
+            Ok(Event::Apply(ing)) => {
+                process_ingress_change(&client, &ing, target_class, false, &tx).await;
+            }
+            Ok(Event::Delete(ing)) => {
+                process_ingress_change(&client, &ing, target_class, true, &tx).await;
+            }
+            Ok(Event::InitApply(ing)) => {
+                process_ingress_change(&client, &ing, target_class, false, &tx).await;
+            }
+            Ok(Event::InitDone) => {
+                info!("Ingress watcher initial sync complete");
+            }
+            Err(err) => {
+                error!("Kubernetes Ingress watch error: {:?}", err);
+            }
+            _ => {}
+        }
+    }
+    Ok(())
+}
+
+async fn process_ingress_change(client: &Client, ing: &Ingress, target_class: &str, is_deleted: bool, tx: &mpsc::Sender<AralezRouteUpdate>) {
+    let spec = match &ing.spec {
+        Some(s) => s,
+        None => return,
+    };
+    let class_name = spec.ingress_class_name.as_deref().unwrap_or_default();
+    if class_name != target_class {
+        return;
+    }
+
+    if !is_deleted {
+        if let (Some(name), Some(ns)) = (ing.metadata.name.as_deref(), ing.metadata.namespace.as_deref()) {
+            let svc_name = std::env::var("ARALEZ_SERVICE_NAME").unwrap_or_else(|_| "aralez-service".to_string());
+            let external_ip = match discover_controller_ip(&client, ns, &svc_name).await {
+                Some(ip) => ip,
+                None => discover_node_ip(&client)
+                    .await
+                    .unwrap_or_else(|| std::env::var("ARALEZ_EXTERNAL_IP").unwrap_or_else(|_| "127.0.0.1".to_string())),
+            };
+            let client_clone = client.clone();
+            let name_clone = name.to_string();
+            let ns_clone = ns.to_string();
+            let status = ing.status.clone();
+            tokio::spawn(async move {
+                patch_ingress_status_address(&client_clone, &ns_clone, &name_clone, status.as_ref(), &external_ip).await;
+            });
+        }
+    }
+
+    if let Some(rules) = &spec.rules {
+        for rule in rules {
+            let host = match &rule.host {
+                Some(h) => h.clone(),
+                None => "*".to_string(),
+            };
+
+            if let Some(http) = &rule.http {
+                for path_entry in &http.paths {
+                    let path = path_entry.path.clone().unwrap_or_else(|| "/".to_string());
+                    if let Some(service) = &path_entry.backend.service {
+                        let service_name = service.name.clone();
+                        let mut update = AralezRouteUpdate {
+                            host: host.clone(),
+                            path,
+                            service_name,
+                            is_deleted,
+                            rate_limit: None,
+                            x4xx_limit: None,
+                            sticky_sessions: None,
+                            client_headers: None,
+                            server_headers: None,
+                        };
+                        if let Some(annot) = parse_ingress_config(ing) {
+                            update.rate_limit = annot.rate_limit;
+                            update.x4xx_limit = annot.x4xx_limit;
+                            update.sticky_sessions = annot.sticky_sessions;
+                            update.client_headers = annot.client_headers;
+                            update.server_headers = annot.server_headers;
+                        }
+                        if let Err(e) = tx.send(update).await {
+                            error!("Failed to send route update to channel: {:?}", e);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+pub async fn create_custom_k8s_client(api_server_url: &str, bearer_token: &str, insecure_tls: bool) -> Result<Client, Box<dyn std::error::Error>> {
+    let full_url = if !api_server_url.starts_with("http://") && !api_server_url.starts_with("https://") {
+        format!("https://{}", api_server_url)
+    } else {
+        api_server_url.to_string()
+    };
+    let uri: Uri = full_url.parse()?;
+    let mut config = Config::new(uri);
+    config.auth_info = AuthInfo {
+        token: Some(bearer_token.trim().to_string().into()),
+        ..Default::default()
+    };
+    config.connect_timeout = Some(Duration::from_secs(10));
+    config.read_timeout = None;
+    if insecure_tls {
+        config.accept_invalid_certs = true;
+    }
+    let client = Client::try_from(config)?;
+    Ok(client)
+}
+
+fn parse_ingress_config(ing: &Ingress) -> Option<AralezAnnotation> {
+    if let Some(annotations) = &ing.metadata.annotations {
+        let mut clh: Option<Vec<String>> = None;
+        let mut srh: Option<Vec<String>> = None;
+
+        if let Some(ch) = annotations.get("aralez.rs/client_headers") {
+            let data: Vec<String> = serde_json::from_str(ch).unwrap_or_default();
+            clh = Some(data);
+        }
+        if let Some(sh) = annotations.get("aralez.rs/server_headers") {
+            let data: Vec<String> = serde_json::from_str(sh).unwrap_or_default();
+            srh = Some(data);
+        };
+
+        let annots = AralezAnnotation {
+            rate_limit: annotations.get("aralez.rs/rate_limit").and_then(|v| v.parse().ok()),
+            x4xx_limit: annotations.get("aralez.rs/x4xx_limit").and_then(|v| v.parse().ok()),
+            sticky_sessions: annotations.get("aralez.rs/sticky_sessions").and_then(|v| v.parse().ok()),
+            client_headers: clh,
+            server_headers: srh,
+        };
+        return Some(annots);
+    }
+    None
+}
+
+pub async fn patch_ingress_status_address(
+    client: &Client,
+    namespace: &str,
+    name: &str,
+    current_status: Option<&k8s_openapi::api::networking::v1::IngressStatus>,
+    external_ip: &str,
+) {
+    if let Some(status) = current_status {
+        if let Some(lb) = &status.load_balancer {
+            if let Some(ing_list) = &lb.ingress {
+                if ing_list.iter().any(|i| i.ip.as_deref() == Some(external_ip)) {
+                    return;
+                }
+            }
+        }
+    }
+
+    let ingresses: Api<Ingress> = Api::namespaced(client.clone(), namespace);
+
+    let patch = json!({
+        "apiVersion": "networking.k8s.io/v1",
+        "kind": "Ingress",
+        "status": {
+            "loadBalancer": {
+                "ingress": [
+                    {
+                        "ip": external_ip
+                    }
+                ]
+            }
+        }
+    });
+
+    let params = PatchParams::apply("aralez-ingress-controller").force();
+
+    match ingresses.patch_status(name, &params, &Patch::Apply(patch)).await {
+        Ok(_) => info!("Patched Ingress {}/{} ADDRESS to {}", namespace, name, external_ip),
+        Err(e) => error!("Failed to patch status for Ingress {}/{}: {:?}", namespace, name, e),
+    }
+}
+
+pub async fn discover_node_ip(client: &Client) -> Option<String> {
+    let nodes: Api<Node> = Api::all(client.clone());
+    if let Ok(node_list) = nodes.list(&Default::default()).await {
+        for node in node_list {
+            if let Some(status) = node.status {
+                if let Some(addresses) = status.addresses {
+                    for addr in &addresses {
+                        if addr.type_ == "ExternalIP" {
+                            return Some(addr.address.clone());
+                        }
+                    }
+                    for addr in &addresses {
+                        if addr.type_ == "InternalIP" {
+                            return Some(addr.address.clone());
+                        }
+                    }
+                }
+            }
+        }
+    }
+    None
+}
+pub async fn discover_controller_ip(client: &Client, namespace: &str, service_name: &str) -> Option<String> {
+    let services: Api<Service> = Api::namespaced(client.clone(), namespace);
+    if let Ok(svc) = services.get(service_name).await {
+        if let Some(status) = svc.status {
+            if let Some(lb) = status.load_balancer {
+                if let Some(ingress_list) = lb.ingress {
+                    for ing in ingress_list {
+                        if let Some(ip) = ing.ip {
+                            return Some(ip);
+                        }
+                        if let Some(hostname) = ing.hostname {
+                            return Some(hostname);
+                        }
+                    }
+                }
+            }
+        }
+    }
+    None
+}

src/utils/lazylock.rs

@@ -0,0 +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;
@@ -14,10 +16,17 @@ 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 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());
 
@@ -25,7 +34,7 @@ pub static RESPONSE_LATENCY: LazyLock<Histogram> = LazyLock::new(|| {
     register_histogram!(
         "aralez_response_latency_seconds",
         "Response latency in seconds",
-        vec![0.01, 0.05, 0.1, 0.25, 0.5, 1.0, 2.0, 5.0]
+        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()
 });
@@ -38,19 +47,110 @@ pub static REQUESTS_BY_UPSTREAM: LazyLock<IntCounterVec> =
 
 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 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"]));
+pub static HTTP_10_COUNT: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_VERSION.with_label_values(&["HTTP/1.0"]));
+pub static HTTP_UNK_COUNT: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_VERSION.with_label_values(&["Unknown"]));
+
+pub static METHOD_GET: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_METHOD.with_label_values(&["GET"]));
+pub static METHOD_POST: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_METHOD.with_label_values(&["POST"]));
+pub static METHOD_PUT: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_METHOD.with_label_values(&["PUT"]));
+pub static METHOD_DELETE: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_METHOD.with_label_values(&["DELETE"]));
+pub static METHOD_HEAD: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_METHOD.with_label_values(&["HEAD"]));
+pub static METHOD_OPTIONS: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_METHOD.with_label_values(&["OPTIONS"]));
+pub static METHOD_PATCH: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_METHOD.with_label_values(&["PATCH"]));
+pub static METHOD_OTHER: LazyLock<IntCounter> = LazyLock::new(|| REQUESTS_BY_METHOD.with_label_values(&["OTHER"]));
+
+pub static STATUS_100: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["100"]));
+pub static STATUS_101: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["101"]));
+pub static STATUS_200: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["200"]));
+pub static STATUS_204: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["204"]));
+pub static STATUS_301: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["301"]));
+pub static STATUS_302: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["302"]));
+pub static STATUS_304: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["304"]));
+pub static STATUS_400: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["400"]));
+pub static STATUS_403: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["403"]));
+pub static STATUS_404: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["404"]));
+pub static STATUS_500: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["500"]));
+pub static STATUS_501: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["501"]));
+pub static STATUS_502: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["502"]));
+pub static STATUS_503: LazyLock<IntCounter> = LazyLock::new(|| RESPONSE_CODES.with_label_values(&["503"]));
 
 pub fn calc_metrics(metric_types: &MetricTypes) {
     REQUEST_COUNT.inc();
-    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",
+    match metric_types.version {
+        Version::HTTP_11 => HTTP_11_COUNT.inc(),
+        Version::HTTP_2 => HTTP_20_COUNT.inc(),
+        Version::HTTP_3 => HTTP_30_COUNT.inc(),
+        Version::HTTP_10 => HTTP_10_COUNT.inc(),
+        _ => HTTP_UNK_COUNT.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.as_str()]).inc();
+    match metric_types.method.as_str() {
+        "GET" => METHOD_GET.inc(),
+        "POST" => METHOD_POST.inc(),
+        "PUT" => METHOD_PUT.inc(),
+        "DELETE" => METHOD_DELETE.inc(),
+        "HEAD" => METHOD_HEAD.inc(),
+        "OPTIONS" => METHOD_OPTIONS.inc(),
+        "PATCH" => METHOD_PATCH.inc(),
+        _ => METHOD_OTHER.inc(),
+    }
+    let code = metric_types.code.unwrap_or(StatusCode::GONE);
+    match code.as_u16() {
+        100 => STATUS_100.inc(),
+        101 => STATUS_101.inc(),
+        200 => STATUS_200.inc(),
+        204 => STATUS_204.inc(),
+        301 => STATUS_301.inc(),
+        302 => STATUS_302.inc(),
+        304 => STATUS_304.inc(),
+        400 => STATUS_400.inc(),
+        403 => STATUS_403.inc(),
+        404 => STATUS_404.inc(),
+        500 => STATUS_500.inc(),
+        501 => STATUS_501.inc(),
+        502 => STATUS_502.inc(),
+        503 => STATUS_503.inc(),
+        _ => RESPONSE_CODES.with_label_values(&[code.as_str()]).inc(), // Fallback for rare status codes
+    }
+
     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 {
+    std::fs::read_to_string("/proc/self/status")
+        .ok()
+        .and_then(|s| {
+            s.lines()
+                .find(|l| l.starts_with("VmRSS:"))
+                .and_then(|l| l.split_whitespace().nth(1))
+                .and_then(|v| v.parse::<usize>().ok())
+        })
+        .unwrap_or(0)
+        * 1024
+}
+
+pub fn get_open_files() -> usize {
+    std::fs::read_dir("/proc/self/fd").map(|dir| dir.count()).unwrap_or(0)
+}
+
+pub async fn calc_cache_metrics() {
+    loop {
+        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);
+        }
+        tokio::time::sleep(std::time::Duration::from_secs(5)).await;
+    }
 }

src/utils/parceyaml.rs

@@ -1,7 +1,9 @@
 use crate::utils::healthcheck;
+use crate::utils::lazylock::REVERSE_STORE;
 use crate::utils::state::{is_first_run, mark_not_first_run};
 use crate::utils::structs::*;
 use crate::utils::tools::{clone_dashmap, clone_dashmap_into, print_upstreams};
+use crate::web::logging::log_builder;
 use dashmap::DashMap;
 use log::{error, info, warn};
 use std::collections::HashMap;
@@ -15,57 +17,82 @@ pub static DOMAINS: LazyLock<DashMap<String, bool>> = LazyLock::new(DashMap::new
 pub async fn load_configuration(d: &str, kind: &str) -> (Option<Configuration>, String) {
     let mut conf_files = Vec::new();
     let yaml_data = match kind {
-        "filepath" => match fs::read_to_string(d) {
-            Ok(data) => {
-                let mut confdir = Path::new(d).parent().unwrap().to_path_buf();
-                let mut autocfg = Path::new(d).parent().unwrap().to_path_buf();
-
-                autocfg.push("autoconfigs");
-                if fs::metadata(autocfg.clone()).is_err() {
-                    fs::create_dir_all(autocfg.clone()).ok();
-                }
-                autocfg.push("domains.json");
-                if autocfg.exists() {
-                    let json: Option<Vec<String>> = fs::read_to_string(autocfg).ok().and_then(|s| serde_json::from_str(&s).ok());
-                    if let Some(domains) = json {
-                        for domain in domains {
-                            DOMAINS.insert(domain, true);
+        "filepath" => {
+            let mut data = String::new();
+            let mut last_error = None;
+            for _ in 0..5 {
+                match fs::read_to_string(d) {
+                    Ok(content) => {
+                        if !content.trim().is_empty() {
+                            data = content;
+                            break;
                         }
                     }
-                }
-
-                confdir.push("conf.d");
-
-                if let Ok(entries) = fs::read_dir(&confdir) {
-                    let mut paths: Vec<_> = entries
-                        .flatten()
-                        .map(|e| e.path())
-                        .filter(|p| p.extension().and_then(|e| e.to_str()) == Some("yaml"))
-                        .collect();
-                    paths.sort();
-
-                    for path in paths {
-                        let content = fs::read_to_string(&path);
-                        match content {
-                            Ok(content) => {
-                                conf_files.push(content);
-                            }
-                            Err(e) => {
-                                error!("Reading: {}: {:?}", path.display(), e)
-                            }
-                        };
+                    Err(e) => {
+                        error!("Config read failed, retrying...");
+                        last_error = Some(e);
                     }
                 }
-
-                info!("Reading upstreams from {}", d);
-                data
+                tokio::time::sleep(std::time::Duration::from_millis(10)).await;
             }
-            Err(e) => {
-                error!("Reading: {}: {:?}", d, e);
+            if data.is_empty() {
+                let err_msg = match last_error {
+                    Some(e) => {
+                        error!("Reading: {}: {:?}", d, e);
+                        e.to_string()
+                    }
+                    None => {
+                        error!("Reading: {}: File is empty after retries", d);
+                        "File is empty".to_string()
+                    }
+                };
                 warn!("Running with empty upstreams list, update it via API");
-                return (None, e.to_string());
+                return (None, err_msg);
             }
-        },
+
+            let mut confdir = Path::new(d).parent().unwrap().to_path_buf();
+            let mut autocfg = Path::new(d).parent().unwrap().to_path_buf();
+
+            autocfg.push("autoconfigs");
+            if fs::metadata(autocfg.clone()).is_err() {
+                fs::create_dir_all(autocfg.clone()).ok();
+            }
+            autocfg.push("domains.json");
+            if autocfg.exists() {
+                let json: Option<Vec<String>> = fs::read_to_string(autocfg).ok().and_then(|s| serde_json::from_str(&s).ok());
+                if let Some(domains) = json {
+                    for domain in domains {
+                        DOMAINS.insert(domain, true);
+                    }
+                }
+            }
+
+            confdir.push("conf.d");
+
+            if let Ok(entries) = fs::read_dir(&confdir) {
+                let mut paths: Vec<_> = entries
+                    .flatten()
+                    .map(|e| e.path())
+                    .filter(|p| p.extension().and_then(|e| e.to_str()) == Some("yaml"))
+                    .collect();
+                paths.sort();
+
+                for path in paths {
+                    let content = fs::read_to_string(&path);
+                    match content {
+                        Ok(content) => {
+                            conf_files.push(content);
+                        }
+                        Err(e) => {
+                            error!("Reading: {}: {:?}", path.display(), e)
+                        }
+                    };
+                }
+            }
+
+            info!("Reading upstreams from {}", d);
+            data // [2606:4700:2ff9::1]:443
+        }
         "content" => {
             info!("Reading upstreams from API post body");
             d.to_string()
@@ -76,7 +103,7 @@ pub async fn load_configuration(d: &str, kind: &str) -> (Option<Configuration>,
         }
     };
 
-    let mut parsed: Config = match serde_yml::from_str(&yaml_data) {
+    let mut parsed: Config = match noyalib::from_str(&yaml_data) {
         Ok(cfg) => cfg,
         Err(e) => {
             error!("Failed to parse upstreams file: {}", e);
@@ -86,7 +113,7 @@ pub async fn load_configuration(d: &str, kind: &str) -> (Option<Configuration>,
 
     if let Some(ref mut upstreams) = parsed.upstreams {
         for uconf in conf_files {
-            let p: HashMap<String, HostConfig> = match serde_yml::from_str(&uconf) {
+            let p: HashMap<String, HostConfig> = match noyalib::from_str(&uconf) {
                 Ok(ucfg) => ucfg,
                 Err(e) => {
                     error!("Failed to parse upstreams file: {}", e);
@@ -130,6 +157,7 @@ async fn populate_headers_and_auth(config: &mut Configuration, parsed: &Config)
             }
         }
     }
+
     let global_headers: DashMap<Arc<str>, Vec<(String, Arc<str>)>> = DashMap::new();
     global_headers.insert(Arc::from("/"), ch);
     config.client_headers.insert(Arc::from("GLOBAL_CLIENT_HEADERS"), global_headers);
@@ -148,6 +176,7 @@ async fn populate_headers_and_auth(config: &mut Configuration, parsed: &Config)
     config.extraparams.to_https = parsed.to_https;
     config.extraparams.sticky_sessions = parsed.sticky_sessions;
     config.extraparams.rate_limit = parsed.rate_limit;
+    config.extraparams.x4xx_limit = parsed.x4xx_limit;
 
     if let Some(rate) = &parsed.rate_limit {
         info!("Applied Global Rate Limit : {} request per second", rate);
@@ -156,7 +185,7 @@ async fn populate_headers_and_auth(config: &mut Configuration, parsed: &Config)
     if let Some(pa) = &parsed.authorization {
         let y: InnerAuth = InnerAuth {
             auth_type: Arc::from(pa.auth_type.clone()),
-            auth_cred: Arc::from(pa.auth_cred.clone()),
+            auth_cred: Arc::from(pa.auth_cred.clone().unwrap_or_default()),
         };
         config.extraparams.authentication = Some(Arc::from(y));
     }
@@ -185,12 +214,14 @@ async fn populate_file_upstreams(config: &mut Configuration, parsed: &Config) {
                     if let Some(pa) = &path_config.authorization {
                         let y: InnerAuth = InnerAuth {
                             auth_type: Arc::from(pa.auth_type.clone()),
-                            auth_cred: Arc::from(pa.auth_cred.clone()),
+                            auth_cred: Arc::from(pa.auth_cred.clone().unwrap_or_default()),
                         };
                         path_auth = Some(Arc::from(y));
                     }
+
                     let redirect_link = path_config.redirect_to.as_ref().map(|www| Arc::from(www.as_str()));
-                    if let Some((ip, port_str)) = server.split_once(':') {
+
+                    if let Some((ip, port_str)) = server.rsplit_once(':') {
                         if let Ok(port) = port_str.parse::<u16>() {
                             server_list.push(Arc::from(InnerMap {
                                 address: Arc::from(ip),
@@ -199,6 +230,7 @@ async fn populate_file_upstreams(config: &mut Configuration, parsed: &Config) {
                                 is_http2: false,
                                 to_https: path_config.to_https.unwrap_or(false),
                                 rate_limit: path_config.rate_limit,
+                                x4xx_limit: path_config.x4xx_limit,
                                 healthcheck: path_config.healthcheck,
                                 redirect_to: redirect_link,
                                 authorization: path_auth,
@@ -222,39 +254,31 @@ async fn populate_file_upstreams(config: &mut Configuration, parsed: &Config) {
             clone_dashmap_into(&r, &config.upstreams);
         }
         info!("Upstream Config:");
-        print_upstreams(&config.upstreams);
+        REVERSE_STORE.clear();
+        print_upstreams(&config.upstreams, &config.extraparams);
     }
 }
 pub fn parce_main_config(path: &str) -> AppConfig {
     let data = fs::read_to_string(path).unwrap();
-    let reply = DashMap::new();
-    let cfg: HashMap<String, String> = serde_yml::from_str(&data).expect("Failed to parse main config file");
-    let mut cfo: AppConfig = serde_yml::from_str(&data).expect("Failed to parse main config file");
-    log_builder(&cfo);
+    let mut cfo: AppConfig = noyalib::from_str(&data).expect("Failed to parse main config file");
+    if let Ok(jwt_key) = env::var("JWT_KEY") {
+        cfo.master_key = Some(jwt_key);
+    };
+
+    log_builder(&cfo, &cfo.log_file);
     cfo.hc_method = cfo.hc_method.to_uppercase();
-    for (k, v) in cfg {
-        reply.insert(k.to_string(), v.to_string());
-    }
-    if let Some((ip, port_str)) = cfo.config_address.split_once(':') {
+    if let Some((ip, port_str)) = cfo.config_address.rsplit_once(':') {
         if let Ok(port) = port_str.parse::<u16>() {
             cfo.local_server = Option::from((ip.to_string(), port));
         }
     }
-    // if let Some(tlsport_cfg) = cfo.proxy_address_tls.clone() {
-    //     if let Some((_, port_str)) = tlsport_cfg.split_once(':') {
-    //         if let Ok(port) = port_str.parse::<u16>() {
-    //             cfo.proxy_port_tls = Some(port);
-    //         }
-    //     }
-    // };
-
     if let Some(tlsport_cfg) = cfo.proxy_address_tls.clone() {
-        if let Some((_, port_str)) = tlsport_cfg.split_once(':') {
+        if let Some((_, port_str)) = tlsport_cfg.rsplit_once(':') {
             cfo.proxy_port_tls = Some(port_str.to_string());
         }
     };
 
-    if let Some((_, port_str)) = cfo.proxy_address_http.split_once(':') {
+    if let Some((_, port_str)) = cfo.proxy_address_http.rsplit_once(':') {
         cfo.proxy_port = Some(port_str.to_string());
     }
 
@@ -289,25 +313,6 @@ fn parce_tls_grades(what: Option<String>) -> Option<String> {
     }
 }
 
-fn log_builder(conf: &AppConfig) {
-    let log_level = conf.log_level.clone();
-    unsafe {
-        match log_level.as_str() {
-            "info" => env::set_var("RUST_LOG", "info"),
-            "error" => env::set_var("RUST_LOG", "error"),
-            "warn" => env::set_var("RUST_LOG", "warn"),
-            "debug" => env::set_var("RUST_LOG", "debug"),
-            "trace" => env::set_var("RUST_LOG", "trace"),
-            "off" => env::set_var("RUST_LOG", "off"),
-            _ => {
-                println!("Error reading log level, defaulting to: INFO");
-                env::set_var("RUST_LOG", "info")
-            }
-        }
-    }
-    env_logger::builder().init();
-}
-
 pub fn build_headers(path_config: &Option<Vec<String>>, _config: &Configuration, hl: &mut Vec<(String, Arc<str>)>) {
     if let Some(headers) = &path_config {
         for header in headers {

src/utils/state.rs

@@ -16,14 +16,3 @@ pub fn is_first_run() -> bool {
     let state = GLOBAL_STATE.read().unwrap();
     state.first_run
 }
-
-/*
-impl SharedState {
-    pub fn mark_first_run(&mut self) {
-        self.first_run = false;
-    }
-    pub fn is_first_run(&self) -> bool {
-        self.first_run
-    }
-}
-*/

src/utils/structs.rs

@@ -8,25 +8,26 @@ pub type UpstreamsDashMap = DashMap<Arc<str>, DashMap<Arc<str>, (Vec<Arc<InnerMa
 
 pub type UpstreamsIdMap = DashMap<String, Arc<InnerMap>>;
 pub type Headers = DashMap<Arc<str>, DashMap<Arc<str>, Vec<(String, Arc<str>)>>>;
-// pub type UpstreamsSerDde = Option<HashMap<String, HostConfig>>;
-// pub type UpstreamsSerDe = HashMap<String, HostConfig>;
 
 #[derive(Clone, Debug, Default)]
 pub struct Extraparams {
     pub to_https: Option<bool>,
-    pub sticky_sessions: bool,
+    pub sticky_sessions: Option<u64>,
     pub authentication: Option<Arc<InnerAuth>>,
     pub rate_limit: Option<isize>,
+    pub x4xx_limit: Option<u32>,
 }
 
 #[derive(Debug, Default, Clone, Serialize, Deserialize)]
 pub struct GlobalServiceMapping {
+    pub redirect_to: Option<String>,
+    pub authorization: Option<String>,
     pub upstream: String,
     pub hostname: String,
     pub path: Option<String>,
     pub to_https: Option<bool>,
-    pub sticky_sessions: Option<bool>,
     pub rate_limit: Option<isize>,
+    pub x4xx_limit: Option<u32>,
     pub client_headers: Option<Vec<String>>,
     pub server_headers: Option<Vec<String>>,
 }
@@ -34,21 +35,19 @@ pub struct GlobalServiceMapping {
 #[derive(Clone, Default, Debug, Serialize, Deserialize)]
 pub struct Kubernetes {
     pub servers: Option<Vec<String>>,
-    pub services: Option<Vec<GlobalServiceMapping>>,
     pub tokenpath: Option<String>,
 }
 
 #[derive(Clone, Default, Debug, Serialize, Deserialize)]
 pub struct Consul {
     pub servers: Option<Vec<String>>,
-    pub services: Option<Vec<GlobalServiceMapping>>,
     pub token: Option<String>,
 }
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct Config {
     pub provider: String,
     pub to_https: Option<bool>,
-    pub sticky_sessions: bool,
+    pub sticky_sessions: Option<u64>,
     #[serde(default)]
     pub upstreams: Option<HashMap<String, HostConfig>>,
     #[serde(default)]
@@ -65,28 +64,30 @@ pub struct Config {
     pub kubernetes: Option<Kubernetes>,
     #[serde(default)]
     pub rate_limit: Option<isize>,
+    pub x4xx_limit: Option<u32>,
 }
 
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct HostConfig {
     pub paths: HashMap<String, PathConfig>,
     pub rate_limit: Option<isize>,
+    pub x4xx_limit: Option<u32>,
 }
 #[derive(Debug, Default, Serialize, Deserialize, Clone)]
 pub struct Auth {
     #[serde(rename = "type")]
     pub auth_type: String,
     #[serde(rename = "data")]
-    pub auth_cred: String,
+    pub auth_cred: Option<String>,
 }
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct PathConfig {
     pub servers: Vec<String>,
     pub to_https: Option<bool>,
-    pub sticky_sessions: Option<bool>,
     pub client_headers: Option<Vec<String>>,
     pub server_headers: Option<Vec<String>>,
     pub rate_limit: Option<isize>,
+    pub x4xx_limit: Option<u32>,
     pub healthcheck: Option<bool>,
     pub redirect_to: Option<String>,
     pub authorization: Option<Auth>,
@@ -108,7 +109,11 @@ pub struct AppConfig {
     pub hc_method: String,
     pub upstreams_conf: String,
     pub log_level: String,
-    pub master_key: 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>,
     pub config_address: String,
     pub proxy_address_http: String,
     pub config_api_enabled: bool,
@@ -125,6 +130,10 @@ pub struct AppConfig {
     pub file_server_folder: Option<String>,
     pub runuser: Option<String>,
     pub rungroup: Option<String>,
+    pub log_file: Option<String>,
+    pub tcp_keepalive_idle: Option<u64>,
+    pub tcp_keepalive_interval: Option<u64>,
+    pub tcp_keepalive_count: Option<usize>,
 }
 
 #[derive(Debug, Default, Clone, PartialEq, Eq, Hash)]
@@ -141,6 +150,7 @@ pub struct InnerMap {
     pub is_http2: bool,
     pub to_https: bool,
     pub rate_limit: Option<isize>,
+    pub x4xx_limit: Option<u32>,
     pub healthcheck: Option<bool>,
     pub redirect_to: Option<Arc<str>>,
     pub authorization: Option<Arc<InnerAuth>>,
@@ -156,6 +166,7 @@ impl InnerMap {
             is_http2: Default::default(),
             to_https: Default::default(),
             rate_limit: Default::default(),
+            x4xx_limit: Default::default(),
             healthcheck: Default::default(),
             redirect_to: Default::default(),
             authorization: Default::default(),
@@ -171,6 +182,7 @@ pub struct InnerMapForJson {
     pub is_http2: bool,
     pub to_https: bool,
     pub rate_limit: Option<isize>,
+    pub x4xx_limit: Option<u32>,
     pub healthcheck: Option<bool>,
 }
 #[derive(Debug, Default, Serialize, Deserialize)]

src/utils/tools.rs

@@ -1,6 +1,6 @@
 use crate::tls::load;
 use crate::tls::load::CertificateConfig;
-use crate::utils::structs::{InnerMap, InnerMapForJson, UpstreamSnapshotForJson, UpstreamsDashMap, UpstreamsIdMap};
+use crate::utils::structs::{Extraparams, InnerMapForJson, UpstreamSnapshotForJson, UpstreamsDashMap, UpstreamsIdMap};
 use dashmap::DashMap;
 use log::{error, info};
 use notify::{event::ModifyKind, Config, EventKind, RecommendedWatcher, RecursiveMode, Watcher};
@@ -10,9 +10,12 @@ use sha2::{Digest, Sha256};
 use std::any::type_name;
 use std::collections::{HashMap, HashSet};
 use std::fmt::Write;
+use std::fs::OpenOptions;
+use std::io::Write as IoWrite;
 use std::net::SocketAddr;
 use std::net::TcpListener;
 use std::os::unix::fs::MetadataExt;
+use std::os::unix::fs::OpenOptionsExt;
 use std::str::FromStr;
 use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::mpsc::{channel, Sender};
@@ -20,30 +23,30 @@ use std::sync::Arc;
 use std::time::{Duration, Instant};
 use std::{fs, process, thread, time};
 
-#[allow(dead_code)]
-pub fn print_upstreams(upstreams: &UpstreamsDashMap) {
+pub fn print_upstreams(upstreams: &UpstreamsDashMap, extraparams: &Extraparams) {
+    let mut out = String::new();
     for host_entry in upstreams.iter() {
-        let hostname = host_entry.key();
-        println!("Hostname: {}", hostname);
-
+        writeln!(out, "Hostname: {}", host_entry.key()).unwrap();
         for path_entry in host_entry.value().iter() {
-            let path = path_entry.key();
-            println!("    Path: {}", path);
+            writeln!(out, "    Path: {}", path_entry.key()).unwrap();
             for f in path_entry.value().0.clone() {
-                println!(
-                    "        IP: {}, Port: {}, SSL: {}, H2: {}, To HTTPS: {}, Rate Limit: {}",
+                writeln!(
+                    out,
+                    "        IP: {}, Port: {}, SSL: {}, H2: {}, To HTTPS: {}, Rate Limit: {}, 4xx Limit: {}",
                     f.address,
                     f.port,
                     f.is_ssl,
                     f.is_http2,
                     f.to_https,
-                    f.rate_limit.unwrap_or(0)
-                );
+                    f.rate_limit.unwrap_or(extraparams.rate_limit.unwrap_or(0)),
+                    f.x4xx_limit.unwrap_or(extraparams.x4xx_limit.unwrap_or(0))
+                )
+                .unwrap();
             }
         }
     }
+    info!("\n{}", out.trim_end());
 }
-
 #[allow(dead_code)]
 pub fn typeoff<T>(_: T) {
     let to = type_name::<T>();
@@ -144,21 +147,19 @@ pub fn clone_idmap_into(original: &UpstreamsDashMap, cloned: &UpstreamsIdMap) {
     cloned.clear();
     for outer_entry in original.iter() {
         let inner_map = outer_entry.value();
-        let new_inner_map = DashMap::new();
         for inner_entry in inner_map.iter() {
-            let path = inner_entry.key();
             let (vec, _) = inner_entry.value();
-            let new_vec = vec.clone();
             for x in vec.iter() {
                 let mut id = String::new();
                 write!(
                     &mut id,
-                    "{}:{}:{}:{}:{}:{}:{}:{:?}",
+                    "{}:{}:{}:{}:{}:{}:{}:{}:{:?}",
                     outer_entry.key(),
                     x.address,
                     x.port,
                     x.is_http2,
                     x.to_https,
+                    x.x4xx_limit.unwrap_or_default(),
                     x.rate_limit.unwrap_or_default(),
                     x.healthcheck.unwrap_or_default(),
                     x.authorization
@@ -171,22 +172,8 @@ pub fn clone_idmap_into(original: &UpstreamsDashMap, cloned: &UpstreamsIdMap) {
                 let hash = hasher.finalize();
                 let hex_hash = base16ct::lower::encode_string(&hash);
                 let hh = hex_hash[0..50].to_string();
-                let to_add = InnerMap {
-                    address: Arc::from("127.0.0.1"),
-                    port: 0,
-                    is_ssl: false,
-                    is_http2: false,
-                    to_https: false,
-                    rate_limit: None,
-                    healthcheck: None,
-                    redirect_to: None,
-                    authorization: None,
-                };
-                cloned.insert(id, Arc::from(to_add));
                 cloned.insert(hh, x.to_owned());
-                // println!("CLONNED  :===========> {:?}", cloned);
             }
-            new_inner_map.insert(path.clone(), new_vec);
         }
     }
     info!("Upstreams are fully populated. Ready to server requests");
@@ -273,7 +260,7 @@ pub fn drop_priv(user: String, group: String, http_addr: String, tls_addr: Optio
 }
 
 pub fn check_priv(addr: &str) {
-    let port = SocketAddr::from_str(addr).map(|sa| sa.port()).unwrap();
+    let port = SocketAddr::from_str(addr).map(|sa| sa.port()).expect("Failed to parse address port ");
     if port < 1024 {
         let meta = std::fs::metadata("/proc/self").map(|m| m.uid()).unwrap();
         if meta != 0 {
@@ -305,6 +292,7 @@ pub fn upstreams_to_json(upstreams: &UpstreamsDashMap) -> serde_json::Result<Str
                             is_http2: a.is_http2,
                             to_https: a.to_https,
                             rate_limit: a.rate_limit,
+                            x4xx_limit: a.x4xx_limit,
                             healthcheck: a.healthcheck,
                         })
                         .collect(),
@@ -378,3 +366,34 @@ pub fn prepend(prefix: &str, val: &Option<Arc<str>>, uri: &str, port: &str) -> O
         buf
     })
 }
+
+pub fn write_pid_file(path: &str) -> std::io::Result<()> {
+    let mut file = OpenOptions::new()
+        .write(true)
+        .create(true)
+        .truncate(true)
+        .custom_flags(libc::O_NOFOLLOW) // refuse to follow symlinks
+        .open(path)?;
+    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.rs

@@ -1,5 +1,7 @@
+pub mod acme;
 pub mod bgservice;
 pub mod gethosts;
+pub mod logging;
 pub mod proxyhttp;
 pub mod start;
 pub mod webserver;

src/web/acme.rs

@@ -0,0 +1,60 @@
+use crate::tls::acme::{account, order};
+use crate::utils::lazylock::CHALLENGES;
+use axum::body::Body;
+use axum::extract::State;
+use axum::http::{Response, StatusCode};
+use axum::response::IntoResponse;
+
+#[allow(clippy::needless_return)]
+pub async fn acme_create(State(state): State<crate::web::webserver::AppState>) -> impl IntoResponse {
+    match account::load_or_create(state.cert_creds.as_str()).await {
+        Ok(txt) => {
+            return Response::builder()
+                .status(StatusCode::OK)
+                .header("Content-Type", "text/plain")
+                .body(Body::from(txt))
+                .unwrap()
+        }
+        Err(e) => {
+            return Response::builder()
+                .status(StatusCode::INTERNAL_SERVER_ERROR)
+                .body(Body::from(format!("Failed to create account: {}", e)))
+                .unwrap()
+        }
+    };
+}
+#[allow(clippy::needless_return)]
+pub async fn acme_order(State(state): State<crate::web::webserver::AppState>, axum::extract::Path(domain): axum::extract::Path<String>) -> impl IntoResponse {
+    let domain_clean = domain.trim_matches('/');
+    match order::order(domain_clean, state.cert_creds.as_str(), state.certs_dir).await {
+        Ok(txt) => {
+            return Response::builder()
+                .status(StatusCode::OK)
+                .header("Content-Type", "text/plain")
+                .body(Body::from(txt))
+                .unwrap()
+        }
+        Err(e) => {
+            return Response::builder()
+                .status(StatusCode::INTERNAL_SERVER_ERROR)
+                .body(Body::from(format!("Failed to order a certificate: {}", e)))
+                .unwrap()
+        }
+    };
+}
+pub async fn http01_challenge(axum::extract::Path(token): axum::extract::Path<String>) -> impl IntoResponse {
+    if let Ok(challenges) = CHALLENGES.read() {
+        if let Some(key_authorization) = challenges.get(&token) {
+            return Response::builder()
+                .status(StatusCode::OK)
+                .header("Content-Type", "text/plain")
+                .body(Body::from(key_authorization.clone()))
+                .unwrap();
+        }
+    }
+    Response::builder()
+        .status(StatusCode::NOT_FOUND)
+        .header("Content-Type", "text/plain")
+        .body(Body::from("Not found"))
+        .unwrap()
+}

src/web/bgservice.rs

@@ -1,24 +1,25 @@
 use crate::tls::acme::order::refresh_order;
 use crate::utils::discovery::{APIUpstreamProvider, ConsulProvider, Discovery, FromFileProvider, KubernetesProvider};
+use crate::utils::metrics::calc_cache_metrics;
 use crate::utils::parceyaml::load_configuration;
 use crate::utils::structs::Configuration;
 use crate::utils::tools::*;
 use crate::utils::*;
+use crate::web::logging::init_logging;
 use crate::web::proxyhttp::LB;
 use async_trait::async_trait;
 use dashmap::DashMap;
-use futures::channel::mpsc;
-use futures::{SinkExt, StreamExt};
 use log::{error, info};
 use pingora_core::server::ShutdownWatch;
 use pingora_core::services::background::BackgroundService;
 use std::sync::Arc;
+use tokio::sync::mpsc;
 
 #[async_trait]
 impl BackgroundService for LB {
     async fn start(&self, mut shutdown: ShutdownWatch) {
         info!("Starting background service"); // tx: Sender<Configuration>
-        let (mut tx, mut rx) = mpsc::channel::<Configuration>(1);
+        let (tx, mut rx) = mpsc::channel::<Configuration>(1);
         let tx_api = tx.clone();
         let config = load_configuration(self.config.upstreams_conf.clone().as_str(), "filepath")
             .await
@@ -60,19 +61,13 @@ impl BackgroundService for LB {
             masterkey: self.config.master_key.clone(),
             config_api_enabled: self.config.config_api_enabled,
             upstreams_file: self.config.upstreams_conf.clone(),
-            // certs_dir: self.config.proxy_certificates.clone().unwrap_or_else(|| "/tmp".to_string()),
             config_dir: confdir.clone(),
             certs_dir: certdir.clone(),
-            // tls_address: self.config.config_tls_address.clone(),
-            // tls_certificate: self.config.config_tls_certificate.clone(),
-            // tls_key_file: self.config.config_tls_key_file.clone(),
             file_server_address: self.config.file_server_address.clone(),
             file_server_folder: self.config.file_server_folder.clone(),
             current_upstreams: self.ump_upst.clone(),
             full_upstreams: self.ump_full.clone(),
         };
-        // let crtdir = api_load.certs_dir.clone();
-        // let tx_api = tx.clone();
         drop(tokio::spawn(async move { api_load.start(tx_api).await }));
 
         let uu = self.ump_upst.clone();
@@ -82,23 +77,26 @@ impl BackgroundService for LB {
         drop(tokio::spawn(async move {
             healthcheck::hc2(uu, ff, im, (&*hc_method.to_string(), hc_interval.to_string().parse().unwrap())).await
         }));
+        drop(tokio::spawn(async move { calc_cache_metrics().await }));
         drop(tokio::spawn(async move { refresh_order(certdir, confdir).await }));
-
+        init_logging(self.config.access_log.clone());
         loop {
             tokio::select! {
                 _ = shutdown.changed() => {
                     break;
                 }
-                val = rx.next() => {
+                val = rx.recv() => {
                     if let Some(ss) = val {
                         clone_dashmap_into(&ss.upstreams, &self.ump_full);
                         clone_dashmap_into(&ss.upstreams, &self.ump_upst);
+                        clone_idmap_into(&ss.upstreams, &self.ump_byid);
                         let current = self.extraparams.load_full();
                         let mut new = (*current).clone();
                         new.to_https = ss.extraparams.to_https;
                         new.sticky_sessions = ss.extraparams.sticky_sessions;
                         new.authentication = ss.extraparams.authentication.clone();
                         new.rate_limit = ss.extraparams.rate_limit;
+                        new.x4xx_limit = ss.extraparams.x4xx_limit;
                         self.extraparams.store(Arc::new(new));
                         self.client_headers.clear();
                         self.server_headers.clear();

src/web/gethosts.rs

@@ -1,7 +1,6 @@
 use crate::utils::structs::InnerMap;
 use crate::web::proxyhttp::LB;
-use async_trait::async_trait;
-use std::sync::atomic::Ordering;
+use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::Arc;
 
 #[derive(Debug, Clone)]
@@ -10,30 +9,38 @@ pub struct GetHostsReturHeaders {
     pub server_headers: Option<Vec<(String, Arc<str>)>>,
 }
 
-#[async_trait]
 pub trait GetHost {
+    fn find_sticky_backend(&self, servers: &[Arc<InnerMap>], backend_id: Option<&str>) -> Option<Arc<InnerMap>>;
+    fn pick_backend(&self, servers: &[Arc<InnerMap>], index: &AtomicUsize, backend_id: Option<&str>) -> Option<Arc<InnerMap>>;
     fn get_host(&self, peer: &str, path: &str, backend_id: Option<&str>) -> Option<Arc<InnerMap>>;
-
     fn get_header(&self, peer: &str, path: &str) -> Option<GetHostsReturHeaders>;
-    // fn get_upstreams(&self) -> Arc<UpstreamsDashMap>;
 }
-#[async_trait]
 impl GetHost for LB {
-    fn get_host(&self, peer: &str, path: &str, backend_id: Option<&str>) -> Option<Arc<InnerMap>> {
-        if let Some(b) = backend_id {
-            if let Some(bb) = self.ump_byid.get(b) {
-                return Some(bb.value().clone());
-            }
+    fn find_sticky_backend(&self, servers: &[Arc<InnerMap>], backend_id: Option<&str>) -> Option<Arc<InnerMap>> {
+        let b = backend_id?;
+        let bb = self.ump_byid.get(b)?;
+        let target = bb.value();
+        servers.iter().any(|s| s.address == target.address && s.port == target.port).then(|| target.clone())
+    }
+    fn pick_backend(&self, servers: &[Arc<InnerMap>], index: &AtomicUsize, backend_id: Option<&str>) -> Option<Arc<InnerMap>> {
+        if servers.is_empty() {
+            return None;
         }
+        if let Some(target) = self.find_sticky_backend(servers, backend_id) {
+            return Some(target);
+        }
+        let idx = index.fetch_add(1, Ordering::Relaxed) % servers.len();
+        Some(servers[idx].clone())
+    }
+    fn get_host(&self, peer: &str, path: &str, backend_id: Option<&str>) -> Option<Arc<InnerMap>> {
         let host_entry = self.ump_upst.get(peer)?;
         let mut end = path.len();
         loop {
             let slice = &path[..end];
             if let Some(entry) = host_entry.get(slice) {
                 let (servers, index) = entry.value();
-                if !servers.is_empty() {
-                    let idx = index.fetch_add(1, Ordering::Relaxed) % servers.len();
-                    return Some(servers[idx].clone());
+                if let Some(backend) = self.pick_backend(servers, index, backend_id) {
+                    return Some(backend);
                 }
             }
             if let Some(pos) = slice.rfind('/') {
@@ -44,9 +51,8 @@ impl GetHost for LB {
         }
         if let Some(entry) = host_entry.get("/") {
             let (servers, index) = entry.value();
-            if !servers.is_empty() {
-                let idx = index.fetch_add(1, Ordering::Relaxed) % servers.len();
-                return Some(servers[idx].clone());
+            if let Some(backend) = self.pick_backend(servers, index, backend_id) {
+                return Some(backend);
             }
         }
         None

src/web/logging.rs

@@ -0,0 +1,176 @@
+use crate::utils::metrics::LOGGING_ERRORS;
+use crate::utils::structs::AppConfig;
+use log::{info, LevelFilter};
+use log4rs::append::rolling_file::policy::compound::roll::fixed_window::FixedWindowRoller;
+use log4rs::append::rolling_file::policy::compound::trigger::size::SizeTrigger;
+use log4rs::append::rolling_file::policy::compound::CompoundPolicy;
+use log4rs::append::rolling_file::RollingFileAppender;
+use log4rs::{
+    append::console::ConsoleAppender,
+    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};
+use std::sync::OnceLock;
+use tokio::sync::mpsc;
+
+#[derive(Debug)]
+pub struct LogMessage {
+    pub response_code: u16,
+    pub summary: String,
+    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();
+const LOG_BUFFER: usize = 16384;
+
+pub fn log_builder(conf: &AppConfig, location: &Option<String>) {
+    let log_level = match conf.log_level.as_str() {
+        "info" => LevelFilter::Info,
+        "error" => LevelFilter::Error,
+        "warn" => LevelFilter::Warn,
+        "debug" => LevelFilter::Debug,
+        "trace" => LevelFilter::Trace,
+        "off" => LevelFilter::Off,
+        _ => {
+            println!("Error reading log level, defaulting to: INFO");
+            LevelFilter::Info
+        }
+    };
+
+    let pattern = "{d(%Y-%m-%d %H:%M:%S)} {l} {t} - {m}\n";
+
+    if let Some(location) = location {
+        let parts: Vec<&str> = location.splitn(4, ',').map(|s| s.trim()).collect();
+
+        let path = parts.get(0).expect("Syntax error, could not get path for log files");
+        let compress = parts.get(3).unwrap_or(&"No");
+        let size_mb: u64 = parts.get(1).and_then(|s| s.parse().ok()).unwrap_or(100);
+        let keep: u32 = parts.get(2).and_then(|s| s.parse().ok()).unwrap_or(5);
+
+        let pattern_str = match compress {
+            &"compress" => format!("{}.{{}}.gz", path),
+            _ => format!("{}.{{}}", path),
+        };
+
+        let roller = FixedWindowRoller::builder().build(pattern_str.as_str(), keep).unwrap();
+        let trigger = SizeTrigger::new(size_mb * 1024 * 1024);
+        let policy = CompoundPolicy::new(Box::new(trigger), Box::new(roller));
+
+        let file = RollingFileAppender::builder()
+            .encoder(Box::new(PatternEncoder::new(pattern)))
+            .build(path, Box::new(policy))
+            .unwrap();
+
+        let config = Log4rsConfig::builder()
+            .appender(Appender::builder().build("file", Box::new(file)))
+            .build(Root::builder().appender("file").build(log_level))
+            .unwrap();
+        log4rs::init_config(config).unwrap();
+        info!("Logging to: {}, Max file size: {}mb, Files to keep: {}, compression: {} ", path, size_mb, keep, compress);
+    } else {
+        let stdout = ConsoleAppender::builder().encoder(Box::new(PatternEncoder::new(pattern))).build();
+
+        let config = Log4rsConfig::builder()
+            .appender(Appender::builder().build("stdout", Box::new(stdout)))
+            .build(Root::builder().appender("stdout").build(log_level))
+            .unwrap();
+        log4rs::init_config(config).unwrap();
+        info!("No files are configured, logging to stdout");
+    }
+}
+
+pub fn init_access_log(level_str: &str) {
+    let level = LogLevel::from_str(level_str);
+    let _ = ACCESS_LOG.set(level);
+}
+
+#[derive(Debug)]
+pub enum LogLevel {
+    Access,
+    Error,
+    None,
+}
+
+impl LogLevel {
+    pub fn from_str(s: &str) -> Self {
+        match s {
+            "all" => LogLevel::Access,
+            "error" => LogLevel::Error,
+            _ => LogLevel::None,
+        }
+    }
+}
+
+pub fn access_log(response_code: u16, summary: &str, session: &Session) {
+    let level = ACCESS_LOG.get().unwrap_or(&LogLevel::None);
+
+    let should_log = match level {
+        LogLevel::Access => true,
+        LogLevel::None => false,
+        LogLevel::Error => !(100..=399).contains(&response_code),
+    };
+
+    if !should_log {
+        return;
+    }
+
+    let ip = session
+        .client_addr()
+        .and_then(|addr| addr.as_inet())
+        .map(|addr| addr.ip())
+        .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() {
+        let sender = sender;
+        if let Err(_) = sender.try_send(log) {
+            LOGGING_ERRORS.inc();
+        }
+    }
+}
+
+pub fn init_logging(enabled: Option<String>) {
+    if let Some(_) = enabled {
+        LOGGING_ERRORS.set(0);
+        info!("Enabling {:?} log, with buffer of {} messages", ACCESS_LOG.get().unwrap_or(&LogLevel::None), LOG_BUFFER);
+        let (ltx, lrx) = mpsc::channel(LOG_BUFFER);
+        LOG_SENDER.set(ltx).unwrap();
+        std::thread::spawn(move || log_receiver(lrx));
+    }
+}
+
+pub fn log_receiver(mut receiver: mpsc::Receiver<LogMessage>) {
+    while let Some(msg) = receiver.blocking_recv() {
+        info!(
+            "{}, {}, {}, 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

@@ -1,31 +1,29 @@
 use crate::utils::auth::authenticate;
+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};
+use crate::web::logging::access_log;
 use arc_swap::ArcSwap;
 use async_trait::async_trait;
 use axum::body::Bytes;
-use dashmap::DashMap;
-use log::{debug, error, warn};
-use pingora::http::{RequestHeader, ResponseHeader, StatusCode};
+use log::error;
+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_limits::rate::Rate;
 use pingora_proxy::{ProxyHttp, Session};
 use sha2::{Digest, Sha256};
 use std::cell::RefCell;
 use std::fmt::Write;
-use std::sync::{Arc, LazyLock};
+use std::sync::Arc;
 use std::time::Duration;
 use tokio::time::Instant;
 
-static REVERSE_STORE: LazyLock<DashMap<String, String>> = LazyLock::new(DashMap::new);
 thread_local! {static IP_BUFFER: RefCell<String> = RefCell::new(String::with_capacity(50));}
-pub static RATE_LIMITER: LazyLock<Rate> = LazyLock::new(|| Rate::new(Duration::from_secs(1)));
-pub static LOCALHOST: LazyLock<Arc<str>> = LazyLock::new(|| Arc::from("localhost"));
-
 #[derive(Clone)]
 pub struct LB {
     pub ump_upst: Arc<UpstreamsDashMap>,
@@ -35,16 +33,17 @@ pub struct LB {
     pub server_headers: Arc<Headers>,
     pub config: Arc<AppConfig>,
     pub extraparams: Arc<ArcSwap<Extraparams>>,
+    pub cache_enabled: bool,
 }
 
 pub struct Context {
     backend_id: Option<String>,
-    sticky_sessions: bool,
     start_time: Instant,
     hostname: Option<Arc<str>>,
     upstream_peer: Option<Arc<InnerMap>>,
     extraparams: arc_swap::Guard<Arc<Extraparams>>,
     client_headers: Option<Vec<(String, Arc<str>)>>,
+    x4xx_limit: Option<u32>,
 }
 
 #[async_trait]
@@ -53,20 +52,48 @@ impl ProxyHttp for LB {
     fn new_ctx(&self) -> Self::CTX {
         Context {
             backend_id: None,
-            sticky_sessions: false,
             start_time: Instant::now(),
             hostname: None,
             upstream_peer: None,
             extraparams: self.extraparams.load(),
             client_headers: None,
+            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);
         _ctx.hostname = hostname;
         let mut backend_id = None;
-        if _ctx.extraparams.sticky_sessions {
+        if let Some(_) = _ctx.extraparams.sticky_sessions {
             if let Some(cookies) = session.req_header().headers.get("cookie") {
                 if let Ok(cookie_str) = cookies.to_str() {
                     if let Some(pos) = cookie_str.find("backend_id=") {
@@ -85,13 +112,24 @@ impl ProxyHttp for LB {
                     None => return Ok(false),
                     Some(ref innermap) => {
                         if let Some(auth) = _ctx.extraparams.authentication.as_ref().or(innermap.authorization.as_ref()) {
-                            if !authenticate(&auth.auth_type, &auth.auth_cred, session).await {
+                            if !authenticate(&auth, session).await {
                                 let _ = session.respond_error(401).await;
-                                warn!("Forbidden: {:?}, {}", session.client_addr(), session.req_header().uri.path());
                                 return Ok(true);
                             }
                         }
-
+                        if let Some(rate) = innermap.x4xx_limit.or(_ctx.extraparams.x4xx_limit) {
+                            _ctx.x4xx_limit = innermap.x4xx_limit;
+                            let rate_key = session.client_addr().and_then(|addr| addr.as_inet()).map(|inet| inet.ip());
+                            if let Some(rk) = rate_key {
+                                let count = REQUESTS_4XX.get(&rk).unwrap_or(0);
+                                if count > rate {
+                                    let header = ResponseHeader::build(429, None)?;
+                                    session.set_keepalive(None);
+                                    session.write_response_header(Box::new(header), true).await?;
+                                    return Ok(true);
+                                }
+                            }
+                        }
                         if let Some(rate) = innermap.rate_limit.or(_ctx.extraparams.rate_limit) {
                             let rate_key = session.client_addr().and_then(|addr| addr.as_inet()).map(|inet| inet.ip());
                             let curr_window_requests = RATE_LIMITER.observe(&rate_key, 1);
@@ -99,7 +137,6 @@ impl ProxyHttp for LB {
                                 let header = ResponseHeader::build(429, None)?;
                                 session.set_keepalive(None);
                                 session.write_response_header(Box::new(header), true).await?;
-                                debug!("Rate limited: {:?}, {}", rate_key, rate);
                                 return Ok(true);
                             }
                         }
@@ -153,31 +190,44 @@ 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 {
                         peer.options.verify_cert = false;
                         peer.options.verify_hostname = false;
                     }
-                    if ctx.extraparams.sticky_sessions {
+                    /*
+                    Experimental optionsv
+                    The following TCP optimizations were tested but caused performance degrade under heavy load:
+                    peer.options.tcp_keepalive = Some(TcpKeepalive {
+                        idle: Duration::from_secs(60),
+                        interval: Duration::from_secs(10),
+                        count: 5,
+                        user_timeout: Duration::from_secs(30),
+                    });
+
+                    peer.options.idle_timeout = Some(Duration::from_secs(300));
+                    peer.options.tcp_recv_buf = Some(128 * 1024);
+                    End of experimental options
+                    */
+                    if let Some(_) = ctx.extraparams.sticky_sessions {
                         let mut s = String::with_capacity(64);
                         write!(
                             &mut s,
-                            "{}:{}:{}:{}:{}:{}:{}:{:?}",
+                            "{}:{}:{}:{}:{}:{}:{}:{}:{:?}",
                             hostname,
                             innermap.address,
                             innermap.port,
                             innermap.is_http2,
                             innermap.to_https,
+                            innermap.x4xx_limit.unwrap_or_default(),
                             innermap.rate_limit.unwrap_or_default(),
                             innermap.healthcheck.unwrap_or_default(),
                             innermap.authorization
                         )
                         .unwrap_or(());
                         ctx.backend_id = Some(s);
-                        ctx.sticky_sessions = true;
                     }
                     Ok(peer)
                 }
@@ -210,11 +260,11 @@ impl ProxyHttp for LB {
     }
 
     async fn upstream_request_filter(&self, session: &mut Session, upstream_request: &mut RequestHeader, ctx: &mut Self::CTX) -> Result<()> {
-        if let Some(client_ip) = session.client_addr() {
+        if let Some(ip) = session.client_addr().and_then(|a| a.as_inet()).map(|i| i.ip()) {
             IP_BUFFER.with(|buffer| {
                 let mut buf = buffer.borrow_mut();
                 buf.clear();
-                write!(buf, "{}", client_ip).unwrap_or(());
+                write!(buf, "{}", ip).unwrap_or(());
                 upstream_request.append_header("X-Forwarded-For", buf.as_str()).unwrap_or(false);
             });
         }
@@ -237,7 +287,7 @@ impl ProxyHttp for LB {
         Ok(())
     }
     async fn response_filter(&self, _session: &mut Session, _upstream_response: &mut ResponseHeader, ctx: &mut Self::CTX) -> Result<()> {
-        if ctx.sticky_sessions {
+        if let Some(val) = ctx.extraparams.sticky_sessions {
             if let Some(bid) = &ctx.backend_id {
                 let tt = if let Some(existing) = REVERSE_STORE.get(bid) {
                     existing.value().clone()
@@ -251,26 +301,27 @@ impl ProxyHttp for LB {
                     REVERSE_STORE.insert(hh.clone(), bid.clone());
                     hh
                 };
-                // let _ = _upstream_response.insert_header("set-cookie", format!("backend_id={}; Path=/; Max-Age=600; HttpOnly; SameSite=Lax", tt));
                 let mut buf = String::with_capacity(80);
                 buf.push_str("backend_id=");
                 buf.push_str(&tt);
-                buf.push_str("; Path=/; Max-Age=86400; HttpOnly; SameSite=Lax");
-                let _ = _upstream_response.insert_header("set-cookie", buf.as_str());
-            }
-        }
-
-        if let Some(client_headers) = &ctx.client_headers {
-            for (k, v) in client_headers.iter() {
-                _upstream_response.append_header(k.clone(), v.as_ref())?;
+                buf.push_str("; Path=/; Max-Age=");
+                buf.push_str(&val.to_string());
+                buf.push_str("; HttpOnly; SameSite=Lax");
+                let _ = _upstream_response.append_header("set-cookie", buf.as_str());
+            }
+        }
+        Ok(())
+    }
+    async fn upstream_response_filter(&self, _session: &mut Session, upstream_response: &mut ResponseHeader, ctx: &mut Self::CTX) -> Result<()> {
+        if let Some(client_headers) = &ctx.client_headers {
+            for (k, v) in client_headers.iter() {
+                upstream_response.append_header(k.clone(), v.as_ref())?;
             }
         }
         Ok(())
     }
-
     async fn logging(&self, session: &mut Session, _e: Option<&pingora::Error>, ctx: &mut Self::CTX) {
         let response_code = session.response_written().map_or(0, |resp| resp.status.as_u16());
-        debug!("{}, response code: {response_code}", self.request_summary(session, ctx));
         let m = &MetricTypes {
             method: session.req_header().method.clone(),
             code: session.response_written().map(|resp| resp.status),
@@ -280,6 +331,22 @@ impl ProxyHttp for LB {
         };
         calc_metrics(m);
         ACTIVE_SESSIONS.dec();
+        if let Some(_) = ctx.x4xx_limit.or(ctx.extraparams.x4xx_limit) {
+            if (400..=499).contains(&response_code) {
+                if let Some(ip) = session.client_addr().and_then(|a| a.as_inet()).map(|i| i.ip()) {
+                    let current = REQUESTS_4XX.get(&ip).unwrap_or(0);
+                    REQUESTS_4XX.insert(ip, current + 1);
+                }
+            }
+        }
+        // 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

@@ -1,27 +1,45 @@
-// use rustls::crypto::ring::default_provider;
 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;
 use crate::web::proxyhttp::LB;
 use arc_swap::ArcSwap;
-use ctrlc;
 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};
+use pingora_core::protocols::TcpKeepalive;
 use pingora_core::server::Server;
+use privdrop::reexports::libc::SIGQUIT;
+use rustls::crypto::ring::default_provider;
+use sd_notify::NotifyState;
+use signal_hook::{
+    consts::{SIGINT, SIGTERM},
+    iterator::Signals,
+};
 use std::sync::mpsc::{channel, Receiver, Sender};
 use std::sync::Arc;
+use std::time::Duration;
 use std::{fs, thread};
 pub fn run() {
-    // default_provider().install_default().expect("Failed to install rustls crypto provider");
+    default_provider().install_default().expect("Failed to install RusTLS crypto provider");
     let parameters = Opt::parse_args();
     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();
 
@@ -33,9 +51,10 @@ pub fn run() {
 
     let ec_config = Arc::new(ArcSwap::from_pointee(Extraparams {
         to_https: None,
-        sticky_sessions: false,
+        sticky_sessions: None,
         authentication: None,
         rate_limit: None,
+        x4xx_limit: None,
     }));
 
     let cfg = Arc::new(maincfg);
@@ -48,18 +67,43 @@ 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());
 
     let grade = cfg.proxy_tls_grade.clone().unwrap_or("medium".to_string());
     info!("TLS grade set to: [ {} ]", grade);
 
     let bg_srvc = background_service("bgsrvc", lb.clone());
-    let mut proxy = pingora_proxy::http_proxy_service(&server.configuration, lb.clone());
     let bind_address_http = cfg.proxy_address_http.clone();
     let bind_address_tls = cfg.proxy_address_tls.clone();
 
+    let mut proxy = pingora_proxy::http_proxy_service(&server.configuration, lb.clone());
+
     check_priv(bind_address_http.as_str());
 
+    // let mut tcp_options: Option<TcpSocketOptions> = Some(TcpSocketOptions::default());
+    // let mut tcp_options = TcpSocketOptions::default();
+
+    let mut tcp_options: Option<TcpSocketOptions> = None;
+    if let Some(idle) = cfg.tcp_keepalive_idle {
+        let mut to = TcpSocketOptions::default();
+        to.tcp_keepalive = Some(TcpKeepalive {
+            idle: Duration::from_secs(idle),
+            interval: Duration::from_secs(cfg.tcp_keepalive_interval.unwrap_or(10)),
+            user_timeout: Default::default(),
+            count: cfg.tcp_keepalive_count.unwrap_or(5usize),
+        });
+        tcp_options = Some(to);
+        info!(
+            "Applying kernel tcp_keepalive parameters: idle {}, interval {}, count {}",
+            idle,
+            cfg.tcp_keepalive_interval.unwrap_or(60),
+            cfg.tcp_keepalive_count.unwrap_or(5),
+        );
+    }
+
     if let Some(bind_address_tls) = bind_address_tls {
         check_priv(bind_address_tls.as_str());
         let (tx, rx): (Sender<Vec<CertificateConfig>>, Receiver<Vec<CertificateConfig>>) = channel();
@@ -87,7 +131,7 @@ pub fn run() {
         tls_settings.set_servername_callback(move |ssl_ref: &mut SslRef, ssl_alert: &mut SslAlert| certs_for_callback.load().server_name_callback(ssl_ref, ssl_alert));
         tls_settings.set_alpn_select_callback(grades::prefer_h2);
 
-        proxy.add_tls_with_settings(&bind_address_tls, None, tls_settings);
+        proxy.add_tls_with_settings(&bind_address_tls, tcp_options.clone(), tls_settings);
 
         let certs_for_watcher = certificates.clone();
         thread::spawn(move || {
@@ -99,19 +143,37 @@ pub fn run() {
             }
         });
     }
-    info!("Running HTTP listener on :{}", bind_address_http.as_str());
-    proxy.add_tcp(bind_address_http.as_str());
+    info!("Running HTTP listener on :{}", bind_address_http);
+    if let Some(tc) = tcp_options {
+        proxy.add_tcp_with_settings(&bind_address_http, tc);
+    } else {
+        proxy.add_tcp(&bind_address_http)
+    }
+
     server.add_service(proxy);
     server.add_service(bg_srvc);
-
     thread::spawn(move || server.run_forever());
 
     if let (Some(user), Some(group)) = (cfg.rungroup.clone(), cfg.runuser.clone()) {
         drop_priv(user, group, cfg.proxy_address_http.clone(), cfg.proxy_address_tls.clone());
     }
+    let _ = sd_notify::notify(&[NotifyState::Ready]);
 
-    let (tx, rx) = channel();
-    ctrlc::set_handler(move || tx.send(()).expect("Could not send signal on channel.")).expect("Error setting Ctrl-C handler");
-    rx.recv().expect("Could not receive from channel.");
-    info!("Signal received ! Exiting...");
+    let pf = cfg.pid_file.clone().unwrap_or("/tmp/aralez.pid".to_string());
+    if let Err(e) = write_pid_file(pf.as_str()) {
+        panic!("Failed to write PID file: {} : {}", pf, e);
+    }
+    let mut signals = Signals::new(&[SIGINT, SIGTERM, SIGQUIT]).unwrap();
+    for sig in signals.forever() {
+        match sig {
+            SIGINT => info!("SIGINT received! Exiting..."),
+            SIGTERM => info!("SIGTERM received! Exiting..."),
+            SIGQUIT => {
+                thread::sleep(Duration::from_secs(300));
+                info!("SIGQUIT received! Exiting...")
+            }
+            _ => unreachable!(),
+        }
+        break;
+    }
 }

src/web/webserver.rs

@@ -1,28 +1,27 @@
-// use std::net::SocketAddr;
-use crate::tls::acme::order::CHALLENGES;
-// use axum_server::tls_openssl::OpenSSLConfig;
-use crate::tls::acme::{account, order};
 use crate::utils::discovery::APIUpstreamProvider;
 use crate::utils::jwt::Claims;
+use crate::utils::metrics::{get_memory_usage, get_open_files, MEMORY_USAGE, OPEN_FILES};
 use crate::utils::structs::{Config, Configuration, UpstreamsDashMap};
 use crate::utils::tools::{upstreams_liveness_json, upstreams_to_json};
+use crate::web::acme::{acme_create, acme_order, http01_challenge};
 use axum::body::Body;
 use axum::extract::{Query, State};
-use axum::http::{header::HeaderMap, Response, StatusCode};
+use axum::http::{Response, StatusCode};
 use axum::response::IntoResponse;
 use axum::routing::{any, get, post};
 use axum::{Json, Router};
-use futures::channel::mpsc::Sender;
-use futures::SinkExt;
 use jsonwebtoken::{encode, EncodingKey, Header};
 use log::{debug, error, info, warn};
 use prometheus::{gather, Encoder, TextEncoder};
 use serde::Serialize;
+use signal_hook::{consts::SIGQUIT, iterator::Signals};
 use std::collections::HashMap;
+use std::net::SocketAddr;
+use std::str::FromStr;
 use std::sync::Arc;
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
-use subtle::ConstantTimeEq;
 use tokio::net::TcpListener;
+use tokio::sync::mpsc;
 use tower_http::services::ServeDir;
 
 #[derive(Serialize, Debug)]
@@ -31,19 +30,19 @@ struct OutToken {
 }
 
 #[derive(Clone)]
-struct AppState {
-    master_key: String,
-    cert_creds: String,
-    certs_dir: String,
+pub(crate) struct AppState {
+    master_key: Option<String>,
+    pub(crate) cert_creds: String,
+    pub(crate) certs_dir: String,
     upstreams_file: String,
-    config_sender: Sender<Configuration>,
+    config_sender: mpsc::Sender<Configuration>,
     config_api_enabled: bool,
     current_upstreams: Arc<UpstreamsDashMap>,
     full_upstreams: Arc<UpstreamsDashMap>,
 }
 
 #[allow(unused_mut)]
-pub async fn run_server(config: &APIUpstreamProvider, mut to_return: Sender<Configuration>, upstreams_curr: Arc<UpstreamsDashMap>, upstreams_full: Arc<UpstreamsDashMap>) {
+pub async fn run_server(config: &APIUpstreamProvider, mut to_return: mpsc::Sender<Configuration>, upstreams_curr: Arc<UpstreamsDashMap>, upstreams_full: Arc<UpstreamsDashMap>) {
     let credsfile = config.config_dir.clone() + "/acme_credentials.json";
     let app_state = AppState {
         master_key: config.masterkey.clone(),
@@ -57,11 +56,6 @@ pub async fn run_server(config: &APIUpstreamProvider, mut to_return: Sender<Conf
     };
     let app = Router::new()
         // .route("/{*wildcard}", get(senderror))
-        // .route("/{*wildcard}", post(senderror))
-        // .route("/{*wildcard}", put(senderror))
-        // .route("/{*wildcard}", head(senderror))
-        // .route("/{*wildcard}", delete(senderror))
-        // .nest_service("/static", static_files)
         .route("/jwt", post(jwt_gen))
         .route("/acme_create", any(acme_create))
         .route("/acme_order/{*domain}", any(acme_order))
@@ -71,59 +65,69 @@ pub async fn run_server(config: &APIUpstreamProvider, mut to_return: Sender<Conf
         .route("/status", get(status))
         .with_state(app_state);
 
-    // if let Some(value) = &config.tls_address {
-    //     let cf = OpenSSLConfig::from_pem_file(config.tls_certificate.clone().unwrap(), config.tls_key_file.clone().unwrap()).unwrap();
-    //     let addr: SocketAddr = value.parse().expect("Unable to parse socket address");
-    //     let tls_app = app.clone();
-    //     tokio::spawn(async move {
-    //         if let Err(e) = axum_server::bind_openssl(addr, cf).serve(tls_app.into_make_service()).await {
-    //             eprintln!("TLS server failed: {}", e);
-    //         }
-    //     });
-    //     info!("Starting the TLS API server on: {}", value);
-    // }
-
+    let mut static_handle: Option<tokio::task::JoinHandle<()>> = None;
     if let (Some(address), Some(folder)) = (&config.file_server_address, &config.file_server_folder) {
+        let static_listen = port_is_available("File Server", &address).await;
         let static_files = ServeDir::new(folder);
         let static_serve: Router = Router::new().fallback_service(static_files);
-        let static_listen = TcpListener::bind(address).await.unwrap();
-        drop(tokio::spawn(async move { axum::serve(static_listen, static_serve).await.unwrap() }));
+        info!("Starting file server on: {}", address);
+
+        static_handle = Some(tokio::spawn(async move {
+            match axum::serve(static_listen, static_serve).await {
+                Ok(o) => info!("File server exited normally: {:?}", o),
+                Err(e) => error!("File server exited: {}", e),
+            }
+        }))
+
+        // let a = config.file_server_address.to_owned();
+        // let f = config.file_server_folder.to_owned();
+        // drop(tokio::spawn(async move { run_file_server(a, f).await }));
     }
 
-    let listener = TcpListener::bind(config.address.clone()).await.unwrap();
+    let listener = port_is_available("Config API", &config.address).await;
     info!("Starting the API server on: {}", config.address);
-    axum::serve(listener, app).await.unwrap();
+    let api_server = tokio::spawn(async move { axum::serve(listener, app).await.unwrap() });
+
+    let (tx, mut rx) = mpsc::channel(1);
+    std::thread::spawn(move || {
+        let mut signals = Signals::new(&[SIGQUIT]).unwrap();
+        for sig in signals.forever() {
+            tx.blocking_send(sig).unwrap();
+            break;
+        }
+    });
+    rx.recv().await;
+    api_server.abort();
+    if let Some(handle) = static_handle {
+        handle.abort();
+    }
+    info!("Exiting...");
 }
 
-async fn conf(State(st): State<AppState>, Query(params): Query<HashMap<String, String>>, headers: HeaderMap, content: String) -> impl IntoResponse {
+async fn conf(State(st): State<AppState>, Query(params): Query<HashMap<String, String>>, content: String) -> impl IntoResponse {
     if !st.config_api_enabled {
         return Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Config API is disabled !\n")).unwrap();
     }
-    // if let Some(s) = headers.get("x-api-key").and_then(|v| v.to_str().ok()).or(params.get("key").map(|s| s.as_str())) {
 
-    if key_authorization(&headers, &params, &st.master_key) {
-        let strcontent = content.as_str();
-        let parsed = serde_yml::from_str::<Config>(strcontent);
-        match parsed {
-            Ok(_) => {
-                if let Some(_) = params.get("save") {
-                    drop(tokio::spawn(async move { apply_config(content.as_str(), st, true).await }));
-                } else {
-                    drop(tokio::spawn(async move { apply_config(content.as_str(), st, false).await }));
-                }
-                // apply_config(content.as_str(), st).await;
-                return Response::builder().status(StatusCode::OK).body(Body::from("Accepted! Applying in background\n")).unwrap();
-            }
-            Err(err) => {
-                error!("Failed to parse upstreams file: {}", err);
-                return Response::builder().status(StatusCode::BAD_GATEWAY).body(Body::from(format!("Failed: {}\n", err))).unwrap();
+    let strcontent = content.as_str();
+    let parsed = noyalib::from_str::<Config>(strcontent);
+    match parsed {
+        Ok(_) => {
+            if let Some(_) = params.get("save") {
+                drop(tokio::spawn(async move { apply_config(content.as_str(), st, true).await }));
+            } else {
+                drop(tokio::spawn(async move { apply_config(content.as_str(), st, false).await }));
             }
+            Response::builder().status(StatusCode::OK).body(Body::from("Accepted! Applying in background\n")).unwrap()
+        }
+        Err(err) => {
+            error!("Failed to parse upstreams file: {}", err);
+            Response::builder().status(StatusCode::BAD_GATEWAY).body(Body::from(format!("Failed: {}\n", err))).unwrap()
         }
     }
-    Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Access Denied !\n")).unwrap()
 }
 
-async fn apply_config(content: &str, mut st: AppState, save: bool) {
+async fn apply_config(content: &str, st: AppState, save: bool) {
     let sl = crate::utils::parceyaml::load_configuration(content, "content").await;
     if let Some(serverlist) = sl.0 {
         if save {
@@ -137,38 +141,49 @@ async fn apply_config(content: &str, mut st: AppState, save: bool) {
 }
 
 async fn jwt_gen(State(state): State<AppState>, Json(payload): Json<Claims>) -> (StatusCode, Json<OutToken>) {
-    if payload.master_key == state.master_key {
-        let now = SystemTime::now() + Duration::from_secs(payload.exp * 60);
-        let expire = now.duration_since(UNIX_EPOCH).unwrap_or_default().as_secs();
+    if let Some(master_key) = &state.master_key {
+        if &payload.master_key == master_key {
+            let now = SystemTime::now() + Duration::from_secs(payload.exp * 60);
+            let expire = now.duration_since(UNIX_EPOCH).unwrap_or_default().as_secs();
 
-        let claim = Claims {
-            master_key: String::new(),
-            owner: payload.owner,
-            exp: expire,
-            random: payload.random,
-        };
-        match encode(&Header::default(), &claim, &EncodingKey::from_secret(payload.master_key.as_ref())) {
-            Ok(t) => {
-                let tok = OutToken { token: t };
-                debug!("Generating token: {:?}", tok.token);
-                (StatusCode::CREATED, Json(tok))
-            }
-            Err(e) => {
-                let tok = OutToken { token: "ERROR".to_string() };
-                error!("Failed to generate token: {:?}", e);
-                (StatusCode::INTERNAL_SERVER_ERROR, Json(tok))
+            let claim = Claims {
+                master_key: String::new(),
+                owner: payload.owner,
+                exp: expire,
+                random: payload.random,
+            };
+            match encode(&Header::default(), &claim, &EncodingKey::from_secret(payload.master_key.as_ref())) {
+                Ok(t) => {
+                    let tok = OutToken { token: t };
+                    debug!("Generating token: {:?}", tok.token);
+                    (StatusCode::CREATED, Json(tok))
+                }
+                Err(e) => {
+                    let tok = OutToken { token: "ERROR".to_string() };
+                    error!("Failed to generate token: {:?}", e);
+                    (StatusCode::INTERNAL_SERVER_ERROR, Json(tok))
+                }
             }
+        } else {
+            let tok = OutToken {
+                token: "Unauthorised".to_string(),
+            };
+            warn!("Unauthorised JWT generate request: {:?}", tok);
+            (StatusCode::FORBIDDEN, Json(tok))
         }
     } else {
         let tok = OutToken {
-            token: "Unauthorised".to_string(),
+            token: "ERROR Getting JWT_KEY environment variable".to_string(),
         };
-        warn!("Unauthorised JWT generate request: {:?}", tok);
-        (StatusCode::FORBIDDEN, Json(tok))
+        error!("ERROR Getting JWT_KEY environment variable");
+        (StatusCode::INTERNAL_SERVER_ERROR, Json(tok))
     }
 }
 
 async fn metrics() -> impl IntoResponse {
+    MEMORY_USAGE.set(get_memory_usage() as i64);
+    OPEN_FILES.set(get_open_files() as i64);
+
     let metric_families = gather();
     let encoder = TextEncoder::new();
     let mut buffer = Vec::new();
@@ -220,85 +235,25 @@ async fn status(State(st): State<AppState>, Query(params): Query<HashMap<String,
         .unwrap()
 }
 
-#[allow(clippy::needless_return)]
-async fn acme_create(State(state): State<AppState>, Query(params): Query<HashMap<String, String>>, headers: HeaderMap) -> impl IntoResponse {
-    if !key_authorization(&headers, &params, &state.master_key) {
-        return Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Access Denied !\n")).unwrap();
-    }
+pub async fn port_is_available(name: &str, address: &str) -> TcpListener {
+    let addr = SocketAddr::from_str(address).unwrap_or_else(|e| panic!("{}: Invalid address format: {:?}", name, e));
+    let t = Duration::from_secs(2);
 
-    match account::load_or_create(state.cert_creds.as_str()).await {
-        Ok(txt) => {
-            return Response::builder()
-                .status(StatusCode::OK)
-                .header("Content-Type", "text/plain")
-                .body(Body::from(txt))
-                .unwrap()
-        }
-        Err(e) => {
-            return Response::builder()
-                .status(StatusCode::INTERNAL_SERVER_ERROR)
-                .body(Body::from(format!("Failed to create account: {}", e)))
-                .unwrap()
-        }
-    };
-}
-#[allow(clippy::needless_return)]
-async fn acme_order(
-    State(state): State<AppState>,
-    axum::extract::Path(domain): axum::extract::Path<String>,
-    Query(params): Query<HashMap<String, String>>,
-    headers: HeaderMap,
-) -> impl IntoResponse {
-    if !key_authorization(&headers, &params, &state.master_key) {
-        return Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Access Denied !\n")).unwrap();
-    }
-
-    let domain_clean = domain.trim_matches('/');
-    match order::order(domain_clean, state.cert_creds.as_str(), state.certs_dir).await {
-        Ok(txt) => {
-            return Response::builder()
-                .status(StatusCode::OK)
-                .header("Content-Type", "text/plain")
-                .body(Body::from(txt))
-                .unwrap()
-        }
-        Err(e) => {
-            return Response::builder()
-                .status(StatusCode::INTERNAL_SERVER_ERROR)
-                .body(Body::from(format!("Failed to order a certificate: {}", e)))
-                .unwrap()
-        }
-    };
-}
-
-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)
-                .header("Content-Type", "text/plain")
-                .body(Body::from(key_authorization.clone()))
-                .unwrap();
+    //if addr.ip() == IpAddr::V4(Ipv4Addr::UNSPECIFIED) {
+    //    addr.set_ip(IpAddr::V4(Ipv4Addr::LOCALHOST));
+    //}
+    let p = addr.port();
+    loop {
+        match TcpListener::bind(addr).await {
+            Ok(listener) => {
+                return listener;
+            }
+            Err(_) => {
+                warn!("{} port is not available: {} will try again in {:?}", name, p, t);
+                tokio::time::sleep(t).await;
+            }
         }
     }
-    Response::builder()
-        .status(StatusCode::NOT_FOUND)
-        .header("Content-Type", "text/plain")
-        .body(Body::from("Not found"))
-        .unwrap()
-}
-
-fn key_authorization(headers: &HeaderMap, params: &HashMap<String, String>, masterkey: &str) -> bool {
-    if let Some(s) = headers.get("x-api-key").and_then(|v| v.to_str().ok()).or(params.get("key").map(|s| s.as_str())) {
-        if s.as_bytes().ct_eq(masterkey.as_bytes()).into() {
-            return true;
-        }
-    }
-    false
 }
 
 // -- ⚝ by Dave -- in NeoVim ⚝ --