Type changes, auth override policy

Fix grammar and formatting in README.md

.cargo/config.toml

@@ -0,0 +1,13 @@
+[target.aarch64-unknown-linux-musl]
+rustflags = [
+    "-C", "link-arg=-Wl,--defsym=fopen64=fopen",
+    "-C", "link-arg=-Wl,--defsym=fseeko64=fseeko",
+    "-C", "link-arg=-Wl,--defsym=ftello64=ftello"
+]
+
+[target.x86_64-unknown-linux-musl]
+rustflags = [
+    "-C", "link-arg=-Wl,--defsym=fopen64=fopen",
+    "-C", "link-arg=-Wl,--defsym=fseeko64=fseeko",
+    "-C", "link-arg=-Wl,--defsym=ftello64=ftello"
+]

.github/FUNDING.yml

@@ -0,0 +1,15 @@
+# These are supported funding model platforms
+
+github: # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+polar: # Replace with a single Polar username
+buy_me_a_coffee: sadoyan 
+thanks_dev: # Replace with a single thanks.dev username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.gitignore

@@ -5,6 +5,8 @@
 *.dll
 *.exe
 *.sh
+/docs/
+/docs
 /target/
 *.iml
 .idea/

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "aralez"
-version = "0.9.1"
+version = "0.9.2"
 edition = "2021"
 
 [profile.release]
@@ -11,45 +11,43 @@ panic = "abort"
 strip = true
 
 [dependencies]
-tokio = { version = "1.45.1", features = ["full"] }
-#pingora = { version = "0.5.0", features = ["lb", "rustls"] } # openssl, rustls, boringssl
-pingora = { version = "0.5.0", features = ["lb", "openssl"] } # openssl, rustls, boringssl
-serde = { version = "1.0.219", features = ["derive"] }
+tokio = { version = "1.49.0", features = ["full"] }
+pingora = { version = "0.8.0", features = ["lb", "openssl"] } # openssl, rustls, boringssl
+serde = { version = "1.0.228", features = ["derive"] }
 dashmap = "7.0.0-rc2"
-pingora-core = "0.5.0"
-pingora-proxy = "0.5.0"
-pingora-http = "0.5.0"
-pingora-limits = "0.5.0"
-#pingora-pool = "0.5.0"
-async-trait = "0.1.88"
-env_logger = "0.11.8"
-log = "0.4.27"
-futures = "0.3.31"
-notify = "8.0.0"
-axum = { version = "0.8.4" }
-axum-server = { version = "0.7.2", features = ["tls-openssl"] }
-reqwest = { version = "0.12.20", features = ["json", "native-tls-alpn"] }
-#reqwest = { version = "0.12.15", features = ["json", "rustls-tls"] }
-#reqwest = { version = "0.12.15", default-features = false, features = ["rustls-tls", "json"] }
-
+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 = "0.11.9"
+log = "0.4.29"
+futures = "0.3.32"
+notify = "9.0.0-rc.2"
+axum = { version = "0.8.8" }
+#axum-server = { version = "0.8.0" }
+reqwest = { version = "0.13.2", features = ["json", "stream"] }
 serde_yaml = "0.9.34-deprecated"
-rand = "0.9.0"
+rand = "0.10.0"
 base64 = "0.22.1"
-jsonwebtoken = "9.3.1"
-tonic = "0.13.1"
-sha2 = { version = "0.11.0-rc.0", default-features = false }
-base16ct = { version = "0.2.0", features = ["alloc"] }
+#jsonwebtoken = { version = "10.3.0", features = ["aws_lc_rs"] }
+#jsonwebtoken = { version = "10.3.0", default-features = false, features = ["use_pem"] }
+jsonwebtoken = { version = "10.3.0", default-features = false, features = ["use_pem", "rust_crypto"] }
+tonic = "0.14.5"
+sha2 = { version = "0.11.0-rc.5", default-features = false }
+base16ct = { version = "1.0.0", features = ["alloc"] }
 urlencoding = "2.1.3"
-arc-swap = "1.7.1"
-#rustls = { version = "0.23.27", features = ["ring"] }
-mimalloc = { version = "0.1.47", default-features = false }
+arc-swap = "1.8.2"
+mimalloc = { version = "0.1.48", default-features = false }
 prometheus = "0.14.0"
 lazy_static = "1.5.0"
-#openssl = "0.10.73"
-x509-parser = "0.17.0"
+x509-parser = "0.18.1"
 rustls-pemfile = "2.2.0"
-tower-http = { version = "0.6.6", features = ["fs"] }
-once_cell = "1.20.2"
-#moka = { version = "0.12.10", features = ["sync"] }
-
-
+tower-http = { version = "0.6.8", features = ["fs"] }
+once_cell = "1.21.3"
+privdrop = "0.5.6"
+ctrlc = "3.5.2"
+port_check = "0.3.0"
+serde_json = "1.0.149"
+http = "1.4.0"
+itoa = "1.0.14"

LICENSE

@@ -0,0 +1,201 @@
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METRICS.md

@@ -1,120 +0,0 @@
-# 📈 Aralez Prometheus Metrics Reference
-
-This document outlines Prometheus metrics for the [Aralez](https://github.com/sadoyan/aralez) reverse proxy.
-These metrics can be used for monitoring, alerting and performance analysis.
-
-Exposed to `http://config_address/metrics`
-
-By default `http://127.0.0.1:3000/metrics`
-
-# 📊 Example Grafana dashboard during stress test :
-
-![Aralez](https://netangels.net/utils/dash.png)
-
----
-
-## 🛠️ Prometheus Metrics
-
-### 1. `aralez_requests_total`
-
-- **Type**: `Counter`
-- **Purpose**: Total amount requests served by Aralez.
-
-**PromQL example:**
-
-```promql
-rate(aralez_requests_total[5m])
-```
-
----
-
-### 2. `aralez_errors_total`
-
-- **Type**: `Counter`
-- **Purpose**: Count of requests that resulted in an error.
-
-**PromQL example:**
-
-```promql
-rate(aralez_errors_total[5m])
-```
-
----
-
-### 3. `aralez_responses_total{status="200"}`
-
-- **Type**: `CounterVec`
-- **Purpose**: Count of responses by HTTP status code.
-
-**PromQL example:**
-
-```promql
-rate(aralez_responses_total{status=~"5.."}[5m]) > 0
-```
-
-> Useful for alerting on 5xx errors.
-
----
-
-### 4. `aralez_response_latency_seconds`
-
-- **Type**: `Histogram`
-- **Purpose**: Tracks the latency of responses in seconds.
-
-**Example bucket output:**
-
-```prometheus
-aralez_response_latency_seconds_bucket{le="0.01"}  15
-aralez_response_latency_seconds_bucket{le="0.1"}   120
-aralez_response_latency_seconds_bucket{le="0.25"}  245
-aralez_response_latency_seconds_bucket{le="0.5"}   500
-...
-aralez_response_latency_seconds_count  1023
-aralez_response_latency_seconds_sum    42.6
-```
-
-| Metric                  | Meaning                                                       |
-|-------------------------|---------------------------------------------------------------|
-| `bucket{le="0.1"} 120`  | 120 requests were ≤ 100ms                                     |
-| `bucket{le="0.25"} 245` | 245 requests were ≤ 250ms                                     |
-| `count`                 | Total number of observations (i.e., total responses measured) |
-| `sum`                   | Total time of all responses, in seconds                       |
-
-### 🔍 How to interpret:
-
-- `le` means “less than or equal to”.
-- `count` is total amount of observations.
-- `sum` is the total time (in seconds) of all responses.
-
-**PromQL examples:**
-
-🔹 **95th percentile latency**
-
-```promql
-histogram_quantile(0.95, rate(aralez_response_latency_seconds_bucket[5m]))
-
-```
-
-🔹 **Average latency**
-
-```promql
-rate(aralez_response_latency_seconds_sum[5m]) / rate(aralez_response_latency_seconds_count[5m])
-```
-
----
-
-## ✅ Notes
-
-- Metrics are registered after the first served request.
-
----
-✅ Summary of key metrics
-
-| Metric Name                           | Type       | What it Tells You         |
-|---------------------------------------|------------|---------------------------|
-| `aralez_requests_total`                | Counter    | Total requests served     |
-| `aralez_errors_total`                  | Counter    | Number of failed requests |
-| `aralez_responses_total{status="200"}` | CounterVec | Response status breakdown |
-| `aralez_response_latency_seconds`      | Histogram  | How fast responses are    |
-
-📘 *Last updated: May 2025*

README.md

@@ -1,19 +1,29 @@
 ![Aralez](https://netangels.net/utils/aralez-white.jpg)
 
-# Aralez (Արալեզ), Reverse proxy and service mesh built on top of Cloudflare's Pingora
+---
 
+# Aralez (Արալեզ),
+
+### **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.
+
+---
 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>.
+**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)
+
 ---
 
 ## 🔧 Key Features
 
 - **Dynamic Config Reloads** — Upstreams can be updated live via API, no restart required.
 - **TLS Termination** — Built-in OpenSSL support.
-    - **Automatic load of certificates** — Automatically reads and loads certificates from a folder, without a restart.
+    - **Automatic loading of certificates** — Automatically reads and loads certificates from a folder, without a restart.
 - **Upstreams TLS detection** — Aralez will automatically detect if upstreams uses secure connection.
 - **Built in rate limiter** — Limit requests to server, by setting up upper limit for requests per seconds, per virtualhost.
     - **Global rate limiter** — Set rate limit for all virtualhosts.
@@ -69,8 +79,8 @@ Built on Rust, on top of **Cloudflare’s Pingora engine**, **Aralez** delivers
 | Key                              | Example Value                        | Description                                                                                        |
 |----------------------------------|--------------------------------------|----------------------------------------------------------------------------------------------------|
 | **threads**                      | 12                                   | Number of running daemon threads. Optional, defaults to 1                                          |
-| **user**                         | aralez                               | Optional, Username for running aralez after dropping root privileges, requires to launch as root   |
-| **group**                        | aralez                               | Optional,Group for running aralez after dropping root privileges, requires to launch as root       |
+| **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                                                                                   |
@@ -112,12 +122,23 @@ Make the binary executable `chmod 755 ./aralez-VERSION` and run.
 
 File names:
 
-| File Name                 | Description                                                   |
-|---------------------------|---------------------------------------------------------------|
-| `aralez-x86_64-musl.gz`   | Static Linux x86_64 binary, without any system dependency     |
-| `aralez-x86_64-glibc.gz`  | Dynamic Linux x86_64 binary, with minimal system dependencies |
-| `aralez-aarch64-musl.gz`  | Static Linux ARM64 binary, without any system dependency      |
-| `aralez-aarch64-glibc.gz` | Dynamic Linux ARM64 binary, with minimal system dependencies  |
+| File Name                 | Description                                                              |
+|---------------------------|--------------------------------------------------------------------------|
+| `aralez-x86_64-musl.gz`   | Static Linux x86_64 binary, without any system dependency                |
+| `aralez-x86_64-glibc.gz`  | Dynamic Linux x86_64 binary, with minimal system dependencies            |
+| `aralez-aarch64-musl.gz`  | Static Linux ARM64 binary, without any system dependency                 |
+| `aralez-aarch64-glibc.gz` | Dynamic Linux ARM64 binary, with minimal system dependencies             |
+| `sadoyan/aralez`          | Docker image on Debian 13 slim (https://hub.docker.com/r/sadoyan/aralez) |
+
+**Via docker**
+
+```shell
+docker run -d \
+  -v /local/path/to/config:/etc/aralez:ro \
+  -p 80:80 \
+  -p 443:443 \
+  sadoyan/aralez
+```
 
 ## 💡 Note
 
@@ -170,7 +191,10 @@ provider: "file"
 sticky_sessions: false
 to_https: false
 rate_limit: 10
-headers:
+server_headers:
+  - "X-Forwarded-Proto:https"
+  - "X-Forwarded-Port:443"
+client_headers:
   - "Access-Control-Allow-Origin:*"
   - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
   - "Access-Control-Max-Age:86400"
@@ -182,7 +206,10 @@ myhost.mydomain.com:
     "/":
       rate_limit: 20
       to_https: false
-      headers:
+      server_headers:
+        - "X-Something-Else:Foobar"
+        - "X-Another-Header:Hohohohoho"
+      client_headers:
         - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
         - "X-Proxy-From:Hopaaaaaaaaaaaar"
       servers:
@@ -190,17 +217,23 @@ myhost.mydomain.com:
         - "127.0.0.2:8000"
     "/foo":
       to_https: true
-      headers:
+      client_headers:
         - "X-Another-Header:Hohohohoho"
       servers:
         - "127.0.0.4:8443"
         - "127.0.0.5:8443"
+    "/.well-known/acme-challenge":
+      healthcheck: false
+      servers:
+        - "127.0.0.1:8001"
 ```
 
 **This means:**
 
 - Sticky sessions are disabled globally. This setting applies to all upstreams. If enabled all requests will be 301 redirected to HTTPS.
 - 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 limits are calculated per requester ip plus requested virtualhost.
     - If the requester exceeds the limit it will receive `429 Too Many Requests` error.
@@ -209,6 +242,7 @@ myhost.mydomain.com:
 - 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.
 - Requests to `myhost.mydomain.com/foo` will be proxied to `127.0.0.4` and `127.0.0.5`.
+- Requests to `myhost.mydomain.com/.well-known/acme-challenge` will be proxied to `127.0.0.1:8001`, but healthcheks are disabled.
 - SSL/TLS for upstreams is detected automatically, no need to set any config parameter.
     - Assuming the `127.0.0.5:8443` is SSL protected. The inner traffic will use TLS.
     - Self-signed certificates are silently accepted.
@@ -318,20 +352,33 @@ curl  -u username:password -H 'Host: myip.mydomain.com' http://127.0.0.1:6193/
 - Sticky session support.
 - HTTP2 ready.
 
-📊 Why Choose Aralez? – Feature Comparison
+### 🧩 Summary Table: Feature Comparison
 
-| Feature                    | **Aralez**                                                           | **Nginx**                | **HAProxy**             | **Traefik**     |
-|----------------------------|----------------------------------------------------------------------|--------------------------|-------------------------|-----------------|
-| **Hot Reload**             | ✅ Yes (live, API/file)                                               | ⚠️ Reloads config        | ⚠️ Reloads config       | ✅ Yes (dynamic) |
-| **JWT Auth**               | ✅ Built-in                                                           | ❌ External scripts       | ❌ External Lua or agent | ⚠️ With plugins |
-| **WebSocket Support**      | ✅ Automatic                                                          | ⚠️ Manual config         | ✅ Yes                   | ✅ Yes           |
-| **gRPC Support**           | ✅ Automatic (no config)                                              | ⚠️ Manual + HTTP/2 + TLS | ⚠️ Complex setup        | ✅ Native        |
-| **TLS Termination**        | ✅ Built-in (OpenSSL)                                                 | ✅ Yes                    | ✅ Yes                   | ✅ Yes           |
-| **TLS Upstream Detection** | ✅ Automatic                                                          | ❌                        | ❌                       | ❌               |
-| **HTTP/2 Support**         | ✅ Automatic                                                          | ⚠️ Requires extra config | ⚠️ Requires build flags | ✅ Native        |
-| **Sticky Sessions**        | ✅ Cookie-based                                                       | ⚠️ In plus version only  | ✅                       | ✅               |
-| **Prometheus Metrics**     | ✅ [Built in](https://github.com/sadoyan/aralez/blob/main/METRICS.md) | ⚠️ With Lua or exporter  | ⚠️ With external script | ✅ Native        |
-| **Built With**             | 🦀 Rust                                                              | C                        | C                       | Go              |
+| Feature / Proxy                  |    **Aralez**     |          **Nginx**          |    **HAProxy**    |           **Traefik**            |    **Caddy**    |    **Envoy**    |
+|----------------------------------|:-----------------:|:---------------------------:|:-----------------:|:--------------------------------:|:---------------:|:---------------:|
+| **Hot Reload (Zero Downtime)**   |  ✅ **Automatic**  | ⚙️ Manual (graceful reload) |     ⚙️ Manual     |           ✅ Automatic            |   ✅ Automatic   |   ✅ Automatic   |
+| **Auto Cert Reload (from disk)** |  ✅ **Automatic**  |            ❌ No             |       ❌ No        | ✅ Automatic (Let's Encrypt only) |   ✅ Automatic   |    ⚙️ Manual    |
+| **Auth: Basic / API Key / JWT**  |  ✅ **Built-in**   |        ⚙️ Basic only        |   ⚙️ Basic only   |          ✅ Config-based          | ✅ Config-based  | ✅ Config-based  |
+| **TLS / HTTP2 Termination**      |  ✅ **Automatic**  |      ⚙️ Manual config       | ⚙️ Manual config  |           ✅ Automatic            |   ✅ Automatic   |   ✅ Automatic   |
+| **Built-in A+ TLS Grades**       |  ✅ **Automatic**  |      ⚙️ Manual tuning       |     ⚙️ Manual     |            ⚙️ Manual             |   ✅ Automatic   |    ⚙️ Manual    |
+| **gRPC Proxy**                   | ✅ **Zero-Config** |       ⚙️ Manual setup       |     ⚙️ Manual     |         ⚙️ Needs config          | ⚙️ Needs config | ⚙️ Needs config |
+| **SSL Proxy**                    | ✅ **Zero-Config** |          ⚙️ Manual          |     ⚙️ Manual     |           ✅ Automatic            |   ✅ Automatic   |   ✅ Automatic   |
+| **HTTP/2 Proxy**                 | ✅ **Zero-Config** |      ⚙️ Manual enable       | ⚙️ Manual enable  |           ✅ Automatic            |   ✅ Automatic   |   ✅ Automatic   |
+| **WebSocket Proxy**              | ✅ **Zero-Config** |      ⚙️ Manual upgrade      | ⚙️ Manual upgrade |           ✅ Automatic            |   ✅ Automatic   |   ✅ Automatic   |
+| **Sticky Sessions**              |  ✅ **Built-in**   |       ⚙️ Config-based       |  ⚙️ Config-based  |           ✅ Automatic            |   ⚙️ Limited    | ✅ Config-based  |
+| **Prometheus Metrics**           |  ✅ **Built-in**   |    ⚙️ External exporter     |    ✅ Built-in     |            ✅ Built-in            |   ✅ Built-in    |   ✅ Built-in    |
+| **Consul Integration**           |     ✅ **Yes**     |            ❌ No             |  ⚙️ Via DNS only  |              ✅ Yes               |      ❌ No       |      ✅ Yes      |
+| **Kubernetes Integration**       |     ✅ **Yes**     |   ⚙️ Needs ingress setup    |    ⚙️ External    |              ✅ Yes               |   ⚙️ Limited    |      ✅ Yes      |
+| **Request Limiter**              |     ✅ **Yes**     |       ✅ Config-based        |  ✅ Config-based   |          ✅ Config-based          | ✅ Config-based  | ✅ Config-based  |
+| **Serve Static Files**           |     ✅ **Yes**     |            ✅ Yes            |     ⚙️ Basic      |           ✅ Automatic            |   ✅ Automatic   |      ❌ No       |
+| **Upstream Health Checks**       |  ✅ **Automatic**  |      ⚙️ Manual config       | ⚙️ Manual config  |           ✅ Automatic            |   ✅ Automatic   |   ✅ Automatic   |
+| **Built With**                   |    🦀 **Rust**    |              C              |         C         |                Go                |       Go        |       C++       |
+
+---
+
+✅ **Automatic / Zero-Config** – Works immediately, no setup required  
+⚙️ **Manual / Config-based** – Requires explicit configuration or modules  
+❌ **No** – Not supported
 
 ## 💡 Simple benchmark by [Oha](https://github.com/hatoo/oha)
 

etc/main.yaml

@@ -1,7 +1,7 @@
 # Main configuration file, applied on startup
 threads: 12 # Number of daemon threads default setting
-#user: pastor # Username for running aralez after dropping root privileges, requires program to start as root
-#group: pastor # Group for running aralez after dropping root privileges, requires program to start as root
+#runuser: pastor # Username for running aralez after dropping root privileges, requires program to start as root
+#rungroup: pastor # 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
@@ -14,7 +14,7 @@ config_tls_certificate: /etc/server.crt # Mandatory if config_tls_address is set
 config_tls_key_file: /etc/key.pem # Mandatory if config_tls_address is set
 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_certificates: /etc/yoyo # Mandatory if proxy_address_tls set, should contain a certificate and key files strictly in a format {NAME}.crt, {NAME}.key.
+proxy_certificates: /etc/certs # 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
 upstreams_conf: /etc/upstreams.yaml # the location of upstreams file
 file_server_folder: /opt/storage # Optional, local folder to serve
@@ -22,4 +22,4 @@ file_server_address: 127.0.0.1:3002 # Optional, Local address for file server. C
 log_level: info # 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: 910517d9-f9a1-48de-8826-dbadacbd84af-cb6f830e-ab16-47ec-9d8f-0090de732774 # Mater key for working with API server and JWT Secret
+master_key: 910517d9-f9a1-48de-8826-dbadacbd84af-cb6f830e-ab16-47ec-9d8f-0090de732774 # Mater key for working with API server and JWT Secret

etc/upstreams.yaml

@@ -1,45 +1,82 @@
 # The file under watch and hot reload, changes are applied immediately, no need to restart or reload.
-provider: "file" # consul
+provider: "file" # "file" "consul" "kubernetes"
 sticky_sessions: false
-to_ssl: false
-#rate_limit: 100
-headers:
+to_https: false
+rate_limit: 100
+server_headers:
+  - "X-Forwarded-Proto:https"
+  - "X-Forwarded-Port:443"
+client_headers:
   - "Access-Control-Allow-Origin:*"
   - "Access-Control-Allow-Methods:POST, GET, OPTIONS"
   - "Access-Control-Max-Age:86400"
-  - "X-Custom-Header:Something Special"
-authorization:
-  type: "jwt"
-  creds: "910517d9-f9a1-48de-8826-dbadacbd84af-cb6f830e-ab16-47ec-9d8f-0090de732774"
+#authorization:
+#  type: "jwt"
+#  creds: "910517d9-f9a1-48de-8826-dbadacbd84af-cb6f830e-ab16-47ec-9d8f-0090de732774"
 #  type: "basic"
-#  creds: "user:Passw0rd"
+#  creds: "username:Pa$$w0rd"
 #  type: "apikey"
 #  creds: "5ecbf799-1343-4e94-a9b5-e278af5cd313-56b45249-1839-4008-a450-a60dc76d2bae"
-consul: # If the provider is consul. Otherwise, ignored.
+consul:
   servers:
-    - "http://consul1:8500"
-    - "http://consul2:8500"
-    - "http://consul3:8500"
-  services: # proxy: The hostname to access the proxy server, real : The real service name in Consul database.
-    - proxy: "proxy-frontend-dev-frontend-srv"
-      real: "frontend-dev-frontend-srv"
+    - "http://192.168.1.199:8500"
+    - "http://192.168.1.200:8500"
+    - "http://192.168.1.201:8500"
+  services: # hostname: The hostname to access the proxy server, upstream : The real service name in Consul database.
+    - hostname: "webapi-service"
+      upstream: "webapi-service-health"
+      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"
+      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.
+  services:
+    - hostname: "webapi-service"
+      path: "/"
+      upstream: "webapi-service"
+    - hostname: "webapi-service"
+      upstream: "vt-console-service"
+      path: "/one"
+      client_headers:
+        - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
+        - "X-Proxy-From:Aralez"
+      rate_limit: 100
+      to_https: false
+    - hostname: "webapi-service"
+      upstream: "vt-rambulik-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
 upstreams:
   myip.mydomain.com:
     paths:
-      rate_limit: 10 # Per path rate limit have higher priority than global rate limit. If not set, the global rate limit will be used
       "/":
+        rate_limit: 200
         to_https: false
-        headers:
+        client_headers:
           - "X-Proxy-From:Aralez"
-        servers: # List of upstreams HOST:PORT
+        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":
-        to_https: true
-        headers:
+        to_https: false
+        server_headers:
+          - "X-Forwarded-Proto:https"
+          - "X-Forwarded-Port:443"
+        client_headers:
           - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
           - "X-Proxy-From:Aralez"
         servers:
@@ -51,7 +88,8 @@ upstreams:
   polo.mydomain.com:
     paths:
       "/":
-        headers:
+        to_https: false
+        client_headers:
           - "X-Some-Thing:Yaaaaaaaaaaaaaaa"
         servers:
           - "192.168.1.1:8000"
@@ -59,4 +97,19 @@ upstreams:
           - "127.0.0.1:8000"
           - "127.0.0.2:8000"
           - "127.0.0.3:8000"
-          - "127.0.0.4:8000"
+          - "127.0.0.4:8000"
+  apt.mydomain.com:
+    paths:
+      "/":
+        servers:
+          - "192.168.1.10:443"
+      "/.well-known/acme-challenge":
+        healthcheck: false
+        servers:
+          - "127.0.0.1:8001"
+  localpost:
+    paths:
+      "/":
+        to_https: false
+        servers:
+          - "127.0.0.1:9000"

src/utils.rs

@@ -1,11 +1,16 @@
 pub mod auth;
-pub mod consul;
 pub mod discovery;
+pub mod dnsclient;
 mod filewatch;
+pub mod fordebug;
 pub mod healthcheck;
+pub mod httpclient;
 pub mod jwt;
+pub mod kuberconsul;
 pub mod metrics;
 pub mod parceyaml;
+pub mod state;
 pub mod structs;
 pub mod tls;
 pub mod tools;
+// pub mod watchksecret;

src/utils/auth.rs

@@ -3,6 +3,7 @@ use base64::engine::general_purpose::STANDARD;
 use base64::Engine;
 use pingora_proxy::Session;
 use std::collections::HashMap;
+use std::sync::Arc;
 use urlencoding::decode;
 
 trait AuthValidator {
@@ -40,16 +41,6 @@ impl AuthValidator for JwtAuth<'_> {
         if let Some(tok) = get_query_param(session, "araleztoken") {
             return check_jwt(tok.as_str(), jwtsecret);
         }
-
-        // if let Some(header) = session.get_header("authorization") {
-        //     let h = header.to_str().ok().unwrap().split(" ").collect::<Vec<_>>();
-        //     match h.len() {
-        //         n => {
-        //             return check_jwt(h[n - 1], 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(' ') {
@@ -66,22 +57,23 @@ fn validate(auth: &dyn AuthValidator, session: &Session) -> bool {
     auth.validate(session)
 }
 
-pub fn authenticate(c: &[String], session: &Session) -> bool {
-    match c[0].as_str() {
+// pub fn authenticate(c: &[Arc<str>], session: &Session) -> bool {
+pub fn authenticate(auth_type: &Arc<str>, credentials: &Arc<str>, session: &Session) -> bool {
+    match &*auth_type.clone() {
         "basic" => {
-            let auth = BasicAuth(c[1].as_str().into());
+            let auth = BasicAuth(&*credentials.clone());
             validate(&auth, session)
         }
         "apikey" => {
-            let auth = ApiKeyAuth(c[1].as_str().into());
+            let auth = ApiKeyAuth(&*credentials.clone());
             validate(&auth, session)
         }
         "jwt" => {
-            let auth = JwtAuth(c[1].as_str().into());
+            let auth = JwtAuth(&*credentials.clone());
             validate(&auth, session)
         }
         _ => {
-            println!("Unsupported authentication mechanism : {}", c[0]);
+            println!("Unsupported authentication mechanism : {}", auth_type);
             false
         }
     }

src/utils/consul.rs

@@ -1,148 +0,0 @@
-use crate::utils::parceyaml::load_configuration;
-use crate::utils::structs::{Configuration, InnerMap, ServiceMapping, UpstreamsDashMap};
-use crate::utils::tools::{clone_dashmap_into, compare_dashmaps};
-use dashmap::DashMap;
-use futures::channel::mpsc::Sender;
-use futures::SinkExt;
-use log::{info, warn};
-use pingora::prelude::sleep;
-use rand::Rng;
-use reqwest::header::{HeaderMap, HeaderValue};
-use serde::Deserialize;
-use std::collections::HashMap;
-use std::sync::atomic::AtomicUsize;
-use std::time::Duration;
-
-#[derive(Debug, Deserialize)]
-struct Service {
-    #[serde(rename = "ServiceTaggedAddresses")]
-    tagged_addresses: HashMap<String, TaggedAddress>,
-}
-
-#[derive(Debug, Deserialize)]
-struct TaggedAddress {
-    #[serde(rename = "Address")]
-    address: String,
-    #[serde(rename = "Port")]
-    port: u16,
-}
-
-pub async fn start(fp: String, mut toreturn: Sender<Configuration>) {
-    let config = load_configuration(fp.as_str(), "filepath").await;
-    let headers = DashMap::new();
-    match config {
-        Some(config) => {
-            if config.typecfg.to_string() != "consul" {
-                info!("Not running Consul discovery, requested type is: {}", config.typecfg);
-                return;
-            }
-
-            info!("Consul Discovery is enabled : {}", config.typecfg);
-            let consul = config.consul.clone();
-            let prev_upstreams = UpstreamsDashMap::new();
-            match consul {
-                Some(consul) => {
-                    let servers = consul.servers.unwrap();
-                    info!("Consul Servers => {:?}", servers);
-                    let end = servers.len();
-
-                    loop {
-                        let num = rand::rng().random_range(1..end);
-                        headers.clear();
-                        for (k, v) in config.headers.clone() {
-                            headers.insert(k.to_string(), v);
-                        }
-                        let consul_data = servers.get(num).unwrap().to_string();
-                        let upstreams = consul_request(consul_data, consul.services.clone(), consul.token.clone());
-                        match upstreams.await {
-                            Some(upstreams) => {
-                                if !compare_dashmaps(&upstreams, &prev_upstreams) {
-                                    let mut tosend: Configuration = Configuration {
-                                        upstreams: Default::default(),
-                                        headers: Default::default(),
-                                        consul: None,
-                                        typecfg: "".to_string(),
-                                        extraparams: config.extraparams.clone(),
-                                    };
-
-                                    clone_dashmap_into(&upstreams, &prev_upstreams);
-                                    clone_dashmap_into(&upstreams, &tosend.upstreams);
-                                    tosend.headers = headers.clone();
-                                    tosend.extraparams.authentication = config.extraparams.authentication.clone();
-                                    tosend.typecfg = config.typecfg.clone();
-                                    tosend.consul = config.consul.clone();
-                                    toreturn.send(tosend).await.unwrap();
-                                }
-                            }
-                            None => {}
-                        }
-                        sleep(Duration::from_secs(5)).await;
-                    }
-                }
-                None => {}
-            }
-        }
-        None => {}
-    }
-}
-
-async fn consul_request(url: String, whitelist: Option<Vec<ServiceMapping>>, token: Option<String>) -> Option<UpstreamsDashMap> {
-    let upstreams = UpstreamsDashMap::new();
-    let ss = url.clone() + "/v1/catalog/service/";
-    match whitelist {
-        Some(whitelist) => {
-            for k in whitelist.iter() {
-                let pref: String = ss.clone() + &k.real;
-                let list = get_by_http(pref.clone(), token.clone()).await;
-                match list {
-                    Some(list) => {
-                        upstreams.insert(k.proxy.clone(), list);
-                    }
-                    None => {
-                        warn!("Whitelist not found for {}", k.proxy);
-                    }
-                }
-            }
-        }
-        None => {}
-    }
-    Some(upstreams)
-}
-
-async fn get_by_http(url: String, token: Option<String>) -> Option<DashMap<String, (Vec<InnerMap>, AtomicUsize)>> {
-    let client = reqwest::Client::new();
-    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 u = client.get(url).timeout(to).send();
-    let mut values = Vec::new();
-    let upstreams: DashMap<String, (Vec<InnerMap>, AtomicUsize)> = DashMap::new();
-    match u.await {
-        Ok(r) => {
-            let jason = r.json::<Vec<Service>>().await;
-            match jason {
-                Ok(whitelist) => {
-                    for service in whitelist {
-                        let addr = service.tagged_addresses.get("lan_ipv4").unwrap().address.clone();
-                        let prt = service.tagged_addresses.get("lan_ipv4").unwrap().port.clone();
-                        let to_add = InnerMap {
-                            address: addr,
-                            port: prt,
-                            is_ssl: false,
-                            is_http2: false,
-                            to_https: false,
-                            rate_limit: None,
-                        };
-                        values.push(to_add);
-                    }
-                }
-                Err(_) => return None,
-            }
-        }
-        Err(_) => return None,
-    }
-    upstreams.insert("/".to_string(), (values, AtomicUsize::new(0)));
-    Some(upstreams)
-}

src/utils/discovery.rs

@@ -1,26 +1,34 @@
-use crate::utils::consul;
 use crate::utils::filewatch;
-use crate::utils::structs::Configuration;
+use crate::utils::kuberconsul::{ConsulDiscovery, KubernetesDiscovery, ServiceDiscovery};
+use crate::utils::structs::{Configuration, UpstreamsDashMap};
 use crate::web::webserver;
 use async_trait::async_trait;
 use futures::channel::mpsc::Sender;
+use std::sync::Arc;
 
-pub struct FromFileProvider {
-    pub path: String,
-}
 pub struct APIUpstreamProvider {
     pub config_api_enabled: bool,
     pub address: String,
     pub masterkey: String,
-    pub tls_address: Option<String>,
-    pub tls_certificate: Option<String>,
-    pub tls_key_file: Option<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>,
+    pub full_upstreams: Arc<UpstreamsDashMap>,
+}
+
+pub struct FromFileProvider {
+    pub path: String,
 }
 
 pub struct ConsulProvider {
-    pub path: String,
+    pub config: Arc<Configuration>,
+}
+
+pub struct KubernetesProvider {
+    pub config: Arc<Configuration>,
 }
 
 #[async_trait]
@@ -31,7 +39,7 @@ pub trait Discovery {
 #[async_trait]
 impl Discovery for APIUpstreamProvider {
     async fn start(&self, toreturn: Sender<Configuration>) {
-        webserver::run_server(self, toreturn).await;
+        webserver::run_server(self, toreturn, self.current_upstreams.clone(), self.full_upstreams.clone()).await;
     }
 }
 
@@ -45,6 +53,13 @@ impl Discovery for FromFileProvider {
 #[async_trait]
 impl Discovery for ConsulProvider {
     async fn start(&self, tx: Sender<Configuration>) {
-        tokio::spawn(consul::start(self.path.clone(), tx.clone()));
+        tokio::spawn(ConsulDiscovery.fetch_upstreams(self.config.clone(), tx));
+    }
+}
+
+#[async_trait]
+impl Discovery for KubernetesProvider {
+    async fn start(&self, tx: Sender<Configuration>) {
+        tokio::spawn(KubernetesDiscovery.fetch_upstreams(self.config.clone(), tx));
     }
 }

src/utils/dnsclient.rs

@@ -0,0 +1,159 @@
+/*
+use crate::utils::structs::InnerMap;
+use dashmap::DashMap;
+use hickory_client::client::{Client, ClientHandle};
+use hickory_client::proto::rr::{DNSClass, Name, RecordType};
+use hickory_client::proto::runtime::TokioRuntimeProvider;
+use hickory_client::proto::udp::UdpClientStream;
+use std::net::SocketAddr;
+use std::str::FromStr;
+use std::sync::atomic::AtomicUsize;
+use std::time::Duration;
+use tokio::sync::Mutex;
+
+type DnsError = Box<dyn std::error::Error + Send + Sync + 'static>;
+
+pub struct DnsClientPool {
+    clients: Vec<Mutex<DnsClient>>,
+}
+
+struct DnsClient {
+    client: Client,
+}
+
+pub async fn start2(mut toreturn: Sender<Configuration>, config: Arc<Configuration>) {
+    let k8s = config.kubernetes.clone();
+    match k8s {
+        Some(k8s) => {
+            let dnserver = k8s.servers.unwrap_or(vec!["127.0.0.1:53".to_string()]);
+            let headers = DashMap::new();
+            let end = dnserver.len() - 1;
+            let mut num = 0;
+            if end > 0 {
+                num = rand::rng().random_range(0..end);
+            }
+            let srv = dnserver.get(num).unwrap().to_string();
+            let pool = DnsClientPool::new(5, srv.clone()).await;
+            let u = UpstreamsDashMap::new();
+            if let Some(whitelist) = k8s.services {
+                loop {
+                    let upstreams = UpstreamsDashMap::new();
+                    for service in whitelist.iter() {
+                        let ret = pool.query_srv(service.real.as_str(), srv.clone()).await;
+                        match ret {
+                            Ok(r) => {
+                                upstreams.insert(service.proxy.clone(), r);
+                            }
+                            Err(e) => eprintln!("DNS query failed for {:?}: {:?}", service, e),
+                        }
+                    }
+                    if !compare_dashmaps(&u, &upstreams) {
+                        headers.clear();
+                        for (k, v) in config.headers.clone() {
+                            headers.insert(k.to_string(), v);
+                        }
+
+                        let mut tosend: Configuration = Configuration {
+                            upstreams: Default::default(),
+                            headers: Default::default(),
+                            consul: None,
+                            kubernetes: None,
+                            typecfg: "".to_string(),
+                            extraparams: config.extraparams.clone(),
+                        };
+
+                        clone_dashmap_into(&upstreams, &u);
+                        clone_dashmap_into(&upstreams, &tosend.upstreams);
+                        tosend.headers = headers.clone();
+                        tosend.extraparams.authentication = config.extraparams.authentication.clone();
+                        tosend.typecfg = config.typecfg.clone();
+                        tosend.consul = config.consul.clone();
+                        print_upstreams(&tosend.upstreams);
+                        toreturn.send(tosend).await.unwrap();
+                    }
+
+                    tokio::time::sleep(Duration::from_secs(1)).await;
+                }
+            }
+        }
+        None => {}
+    }
+}
+
+impl DnsClient {
+    pub async fn new(server: String) -> Result<Self, DnsError> {
+        let server_details = server;
+        let server: SocketAddr = server_details.parse().expect("Unable to parse socket address");
+        let conn = UdpClientStream::builder(server, TokioRuntimeProvider::default()).build();
+        let (client, bg) = Client::connect(conn).await.unwrap();
+        tokio::spawn(bg);
+        Ok(Self { client })
+    }
+
+    pub async fn query_srv(&mut self, name: &str) -> Result<DashMap<String, (Vec<InnerMap>, AtomicUsize)>, DnsError> {
+        let upstreams: DashMap<String, (Vec<InnerMap>, AtomicUsize)> = DashMap::new();
+        let mut values = Vec::new();
+        match tokio::time::timeout(Duration::from_secs(5), self.client.query(Name::from_str(name)?, DNSClass::IN, RecordType::SRV)).await {
+            Ok(Ok(response)) => {
+                for answer in response.answers() {
+                    if let hickory_client::proto::rr::RData::SRV(srv) = answer.data() {
+                        let to_add = InnerMap {
+                            address: srv.target().to_string(),
+                            port: srv.port(),
+                            is_ssl: false,
+                            is_http2: false,
+                            to_https: false,
+                            sticky_sessions: false,
+                            rate_limit: None,
+                        };
+                        values.push(to_add);
+                    }
+                }
+                upstreams.insert("/".to_string(), (values, AtomicUsize::new(0)));
+                Ok(upstreams)
+            }
+            Ok(Err(e)) => Err(Box::new(e)),
+            Err(_) => Err("DNS query timed out".into()),
+        }
+    }
+}
+
+impl DnsClientPool {
+    pub async fn new(pool_size: usize, server: String) -> Self {
+        let mut clients = Vec::with_capacity(pool_size);
+        for _ in 0..pool_size {
+            if let Ok(client) = DnsClient::new(server.clone()).await {
+                clients.push(Mutex::new(client));
+            }
+        }
+        Self { clients }
+    }
+
+    pub async fn query_srv(&self, name: &str, server: String) -> Result<DashMap<String, (Vec<InnerMap>, AtomicUsize)>, DnsError> {
+        // Try to get an available client
+        for client_mutex in &self.clients {
+            if let Ok(mut client) = client_mutex.try_lock() {
+                let vay = client.query_srv(name).await;
+                match vay {
+                    Ok(_) => return vay,
+                    Err(_) => {
+                        // If query fails, drop this client and create a new one
+                        *client = match DnsClient::new(server).await {
+                            Ok(c) => c,
+                            Err(e) => return Err(e),
+                        };
+                        // Retry with the new client
+                        return client.query_srv(name).await;
+                    }
+                }
+            }
+        }
+
+        // If all clients are busy, wait for the first one with a timeout
+        match tokio::time::timeout(Duration::from_secs(2), self.clients[0].lock()).await {
+            Ok(mut client) => client.query_srv(name).await,
+            Err(_) => Err("All DNS clients are busy and timeout reached".into()),
+        }
+    }
+}
+*/

src/utils/filewatch.rs

@@ -2,7 +2,7 @@ use crate::utils::parceyaml::load_configuration;
 use crate::utils::structs::Configuration;
 use futures::channel::mpsc::Sender;
 use futures::SinkExt;
-use log::{error, info, warn};
+use log::error;
 use notify::event::ModifyKind;
 use notify::{Config, Event, EventKind, RecommendedWatcher, RecursiveMode, Watcher};
 use pingora::prelude::sleep;
@@ -15,19 +15,7 @@ pub async fn start(fp: String, mut toreturn: Sender<Configuration>) {
     let file_path = fp.as_str();
     let parent_dir = Path::new(file_path).parent().unwrap();
     let (local_tx, mut local_rx) = tokio::sync::mpsc::channel::<notify::Result<Event>>(1);
-    let snd = load_configuration(file_path, "filepath").await;
 
-    match snd {
-        Some(snd) => {
-            if snd.typecfg != "file" {
-                warn!("Disabling file watcher, requested discovery type is: {}", snd.typecfg);
-                return;
-            }
-            info!("Watching for changes in {:?}", parent_dir);
-            toreturn.send(snd).await.unwrap();
-        }
-        None => {}
-    }
     let _watcher_handle = task::spawn_blocking({
         let parent_dir = parent_dir.to_path_buf(); // Move directory path into the closure
         move || {
@@ -53,7 +41,7 @@ pub async fn start(fp: String, mut toreturn: Sender<Configuration>) {
                         if start.elapsed() > Duration::from_secs(2) {
                             start = Instant::now();
                             // info!("Config File changed :=> {:?}", e);
-                            let snd = load_configuration(file_path, "filepath").await;
+                            let snd = load_configuration(file_path, "filepath").await.0;
                             match snd {
                                 Some(snd) => {
                                     toreturn.send(snd).await.unwrap();

src/utils/fordebug.rs

@@ -0,0 +1,31 @@
+use std::alloc::{GlobalAlloc, Layout, System};
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+pub struct CountingAllocator;
+
+pub static ALLOC_COUNT: AtomicUsize = AtomicUsize::new(0);
+pub static DEALLOC_COUNT: AtomicUsize = AtomicUsize::new(0);
+pub static ALLOC_BYTES: AtomicUsize = AtomicUsize::new(0);
+#[allow(dead_code)]
+unsafe impl GlobalAlloc for CountingAllocator {
+    unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
+        ALLOC_COUNT.fetch_add(1, Ordering::Relaxed);
+        ALLOC_BYTES.fetch_add(layout.size(), Ordering::Relaxed);
+        System.alloc(layout)
+    }
+
+    unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
+        DEALLOC_COUNT.fetch_add(1, Ordering::Relaxed);
+        System.dealloc(ptr, layout)
+    }
+}
+
+// Uncomment following lines and comment allocator in main.rs
+// #[global_allocator]
+// pub static A: CountingAllocator = CountingAllocator;
+#[allow(dead_code)]
+fn for_example() {
+    let before = crate::utils::fordebug::ALLOC_COUNT.load(Ordering::Relaxed);
+    let after = crate::utils::fordebug::ALLOC_COUNT.load(Ordering::Relaxed);
+    println!("Allocations : {}", after - before);
+}

src/utils/healthcheck.rs

@@ -15,12 +15,18 @@ pub async fn hc2(upslist: Arc<UpstreamsDashMap>, fullist: Arc<UpstreamsDashMap>,
     loop {
         tokio::select! {
             _ = period.tick() => {
-                populate_upstreams(&upslist, &fullist, &idlist, params, &client).await;
+                // populate_upstreams(&upslist, &fullist, &idlist, params, &client).await;
+                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 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) {
@@ -28,6 +34,7 @@ pub async fn populate_upstreams(upslist: &Arc<UpstreamsDashMap>, fullist: &Arc<U
         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();
@@ -46,7 +53,7 @@ async fn build_upstreams(fullist: &UpstreamsDashMap, method: &str, client: &Clie
             let mut innervec = Vec::new();
 
             for (_, upstream) in path_entry.value().0.iter().enumerate() {
-                let tls = detect_tls(upstream.address.as_str(), &upstream.port, &client).await;
+                let tls = detect_tls(&upstream.address.to_string(), &upstream.port, &client).await;
                 let is_h2 = matches!(tls.1, Some(Version::HTTP_2));
 
                 let link = if tls.0 {
@@ -62,16 +69,22 @@ async fn build_upstreams(fullist: &UpstreamsDashMap, method: &str, client: &Clie
                     is_http2: is_h2,
                     to_https: upstream.to_https,
                     rate_limit: upstream.rate_limit,
+                    healthcheck: upstream.healthcheck,
+                    authorization: upstream.authorization.clone(),
                 };
 
-                let resp = http_request(&link, method, "", &client).await;
-                if resp.0 {
-                    if resp.1 {
-                        scheme.is_http2 = is_h2; // could be adjusted further
+                if scheme.healthcheck.unwrap_or(true) {
+                    let resp = http_request(&link, method, "", &client).await;
+                    if resp.0 {
+                        if resp.1 {
+                            scheme.is_http2 = is_h2; // could be adjusted further
+                        }
+                        innervec.push(Arc::from(scheme));
+                    } else {
+                        warn!("Dead Upstream : {}", link);
                     }
-                    innervec.push(scheme);
                 } else {
-                    warn!("Dead Upstream : {}", link);
+                    innervec.push(Arc::from(scheme));
                 }
             }
             inner.insert(path.clone(), (innervec, AtomicUsize::new(0)));

src/utils/httpclient.rs

@@ -0,0 +1,82 @@
+use crate::utils::kuberconsul::{match_path, ConsulService, KubeEndpoints};
+use crate::utils::structs::{InnerMap, ServiceMapping};
+use axum::http::{HeaderMap, HeaderValue};
+use dashmap::DashMap;
+use reqwest::Client;
+use std::sync::atomic::AtomicUsize;
+use std::sync::Arc;
+use std::time::Duration;
+
+pub async fn for_consul(url: String, token: Option<String>, conf: &ServiceMapping) -> Option<DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)>> {
+    let client = Client::builder().timeout(Duration::from_secs(2)).danger_accept_invalid_certs(true).build().ok()?;
+    let mut headers = HeaderMap::new();
+    if let Some(token) = token {
+        headers.insert("X-Consul-Token", HeaderValue::from_str(&token).unwrap());
+    }
+    let to = Duration::from_secs(1);
+    let resp = client.get(url).timeout(to).send().await.ok()?;
+    if !resp.status().is_success() {
+        eprintln!("Consul API returned status: {}", resp.status());
+        return None;
+    }
+    let mut inner_vec = Vec::new();
+    let upstreams: DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)> = DashMap::new();
+    let endpoints: Vec<ConsulService> = resp.json().await.ok()?;
+    for subsets in endpoints {
+        // let addr = subsets.tagged_addresses.get("lan_ipv4").unwrap().address.clone();
+        // let prt = subsets.tagged_addresses.get("lan_ipv4").unwrap().port.clone();
+        let addr = subsets.tagged_addresses.get("lan_ipv4").unwrap().address.clone();
+        let prt = subsets.tagged_addresses.get("lan_ipv4").unwrap().port.clone();
+        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,
+            healthcheck: None,
+            authorization: None,
+        });
+        inner_vec.push(to_add);
+    }
+    match_path(&conf, &upstreams, inner_vec.clone());
+    Some(upstreams)
+}
+
+pub async fn for_kuber(url: &str, token: &str, conf: &ServiceMapping) -> 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()?;
+
+    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 to_add = Arc::from(InnerMap {
+                            address: Arc::from(addr.ip.clone()),
+                            port: port.port.clone(),
+                            is_ssl: false,
+                            is_http2: false,
+                            to_https: conf.to_https.unwrap_or(false),
+                            rate_limit: conf.rate_limit,
+                            healthcheck: None,
+                            authorization: None,
+                        });
+                        inner_vec.push(to_add);
+                    }
+                }
+                match_path(&conf, &upstreams, inner_vec.clone());
+            }
+        }
+    }
+    Some(upstreams)
+}

src/utils/kuberconsul.rs

@@ -0,0 +1,228 @@
+use crate::utils::httpclient;
+use crate::utils::parceyaml::build_headers;
+use crate::utils::structs::{Configuration, InnerMap, ServiceMapping, 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;
+
+#[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,
+}
+pub fn list_to_upstreams(lt: Option<DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)>>, upstreams: &UpstreamsDashMap, i: &ServiceMapping) {
+    if let Some(list) = lt {
+        match upstreams.get(&*i.hostname.clone()) {
+            Some(upstr) => {
+                for (k, v) in list {
+                    upstr.value().insert(Arc::from(k.to_owned()), v);
+                }
+            }
+            None => {
+                upstreams.insert(Arc::from(i.hostname.clone()), list);
+            }
+        };
+    }
+}
+
+pub fn match_path(conf: &ServiceMapping, 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)));
+        }
+    }
+}
+
+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<(Arc<str>, 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 {
+            upstreams: Default::default(),
+            client_headers: config.client_headers.clone(),
+            server_headers: config.server_headers.clone(),
+            consul: config.consul.clone(),
+            kubernetes: config.kubernetes.clone(),
+            typecfg: config.typecfg.clone(),
+            extraparams: config.extraparams.clone(),
+        };
+        clone_dashmap_into(&upstreams, &prev_upstreams);
+        clone_dashmap_into(&upstreams, &tosend.upstreams);
+        print_upstreams(&tosend.upstreams);
+        return Some(tosend);
+    };
+    None
+}

src/utils/metrics.rs

@@ -1,10 +1,14 @@
+use http::method::Method;
+use http::StatusCode;
 use pingora_http::Version;
 use prometheus::{register_histogram, register_int_counter, register_int_counter_vec, Histogram, IntCounter, IntCounterVec};
+use std::sync::Arc;
 use std::time::Duration;
 
 pub struct MetricTypes {
-    pub method: String,
-    pub code: String,
+    pub method: Method,
+    pub upstream: Arc<str>,
+    pub code: Option<StatusCode>,
     pub latency: Duration,
     pub version: Version,
 }
@@ -33,6 +37,11 @@ lazy_static::lazy_static! {
         "Number of requests by HTTP method",
         &["method"]
     ).unwrap();
+    pub static ref REQUESTS_BY_UPSTREAM: IntCounterVec = register_int_counter_vec!(
+        "aralez_requests_by_upstream",
+        "Number of requests by UPSTREAM server",
+        &["upstream"]
+    ).unwrap();
     pub static ref REQUESTS_BY_VERSION: IntCounterVec = register_int_counter_vec!(
         "aralez_requests_by_version_total",
         "Number of requests by HTTP versions",
@@ -57,7 +66,8 @@ pub fn calc_metrics(metric_types: &MetricTypes) {
         _ => "Unknown",
     };
     REQUESTS_BY_VERSION.with_label_values(&[&version_str]).inc();
-    RESPONSE_CODES.with_label_values(&[&metric_types.code.to_string()]).inc();
+    RESPONSE_CODES.with_label_values(&[metric_types.code.unwrap_or(http::StatusCode::GONE).as_str()]).inc();
     REQUESTS_BY_METHOD.with_label_values(&[&metric_types.method]).inc();
+    REQUESTS_BY_UPSTREAM.with_label_values(&[metric_types.upstream.as_ref()]).inc();
     RESPONSE_LATENCY.observe(metric_types.latency.as_secs_f64());
 }

src/utils/parceyaml.rs

@@ -1,15 +1,15 @@
 use crate::utils::healthcheck;
+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 dashmap::DashMap;
 use log::{error, info, warn};
 use std::collections::HashMap;
 use std::sync::atomic::AtomicUsize;
-// use std::sync::mpsc::{channel, Receiver, Sender};
+use std::sync::Arc;
 use std::{env, fs};
-// use tokio::sync::oneshot::{Receiver, Sender};
 
-pub async fn load_configuration(d: &str, kind: &str) -> Option<Configuration> {
+pub async fn load_configuration(d: &str, kind: &str) -> (Option<Configuration>, String) {
     let yaml_data = match kind {
         "filepath" => match fs::read_to_string(d) {
             Ok(data) => {
@@ -19,7 +19,7 @@ pub async fn load_configuration(d: &str, kind: &str) -> Option<Configuration> {
             Err(e) => {
                 error!("Reading: {}: {:?}", d, e);
                 warn!("Running with empty upstreams list, update it via API");
-                return None;
+                return (None, e.to_string());
             }
         },
         "content" => {
@@ -28,18 +28,20 @@ pub async fn load_configuration(d: &str, kind: &str) -> Option<Configuration> {
         }
         _ => {
             error!("Mismatched parameter, only filepath|content is allowed");
-            return None;
+            return (None, "Mismatched parameter, only filepath|content is allowed".to_string());
         }
     };
 
     let parsed: Config = match serde_yaml::from_str(&yaml_data) {
-        Ok(cfg) => cfg,
+        Ok(cfg) => {
+            // println!("{:#?}", cfg);
+            cfg
+        }
         Err(e) => {
             error!("Failed to parse upstreams file: {}", e);
-            return None;
+            return (None, e.to_string());
         }
     };
-
     let mut toreturn = Configuration::default();
 
     populate_headers_and_auth(&mut toreturn, &parsed).await;
@@ -48,52 +50,61 @@ pub async fn load_configuration(d: &str, kind: &str) -> Option<Configuration> {
     match parsed.provider.as_str() {
         "file" => {
             populate_file_upstreams(&mut toreturn, &parsed).await;
-            Some(toreturn)
+            (Some(toreturn), "Ok".to_string())
         }
         "consul" => {
             toreturn.consul = parsed.consul;
-            if toreturn.consul.is_some() {
-                Some(toreturn)
-            } else {
-                None
-            }
+            (toreturn.consul.is_some().then_some(toreturn), "Ok".to_string())
+        }
+        "kubernetes" => {
+            toreturn.kubernetes = parsed.kubernetes;
+            (toreturn.kubernetes.is_some().then_some(toreturn), "Ok".to_string())
         }
-        "kubernetes" => None,
         _ => {
             warn!("Unknown provider {}", parsed.provider);
-            None
+            (None, "Unknown provider".to_string())
         }
     }
 }
 
 async fn populate_headers_and_auth(config: &mut Configuration, parsed: &Config) {
-    if let Some(headers) = &parsed.headers {
-        let mut hl = Vec::new();
+    let mut ch: Vec<(Arc<str>, Arc<str>)> = Vec::new();
+    if let Some(headers) = &parsed.client_headers {
         for header in headers {
             if let Some((key, val)) = header.split_once(':') {
-                hl.push((key.trim().to_string(), val.trim().to_string()));
+                ch.push((Arc::from(key), Arc::from(val)));
             }
         }
-
-        let global_headers = DashMap::new();
-        global_headers.insert("/".to_string(), hl);
-        config.headers.insert("GLOBAL_HEADERS".to_string(), global_headers);
     }
+    let global_headers: DashMap<Arc<str>, Vec<(Arc<str>, Arc<str>)>> = DashMap::new();
+    global_headers.insert(Arc::from("/"), ch);
+    config.client_headers.insert(Arc::from("GLOBAL_CLIENT_HEADERS"), global_headers);
 
-    config.extraparams.sticky_sessions = parsed.sticky_sessions;
+    let mut sh: Vec<(Arc<str>, Arc<str>)> = Vec::new();
+    if let Some(headers) = &parsed.server_headers {
+        for header in headers {
+            if let Some((key, val)) = header.split_once(':') {
+                sh.push((Arc::from(key.trim()), Arc::from(val.trim())));
+            }
+        }
+    }
+    let server_global_headers: DashMap<Arc<str>, Vec<(Arc<str>, Arc<str>)>> = DashMap::new();
+    server_global_headers.insert(Arc::from("/"), sh);
+    config.server_headers.insert(Arc::from("GLOBAL_SERVER_HEADERS"), server_global_headers);
     config.extraparams.to_https = parsed.to_https;
+    config.extraparams.sticky_sessions = parsed.sticky_sessions;
     config.extraparams.rate_limit = parsed.rate_limit;
 
     if let Some(rate) = &parsed.rate_limit {
         info!("Applied Global Rate Limit : {} request per second", rate);
     }
 
-    if let Some(auth) = &parsed.authorization {
-        let name = auth.get("type").unwrap_or(&"".to_string()).to_string();
-        let creds = auth.get("creds").unwrap_or(&"".to_string()).to_string();
-        config.extraparams.authentication.insert("authorization".to_string(), vec![name, creds]);
-    } else {
-        config.extraparams.authentication = DashMap::new();
+    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()),
+        };
+        config.extraparams.authentication = Some(y);
     }
 }
 
@@ -102,48 +113,60 @@ async fn populate_file_upstreams(config: &mut Configuration, parsed: &Config) {
     if let Some(upstreams) = &parsed.upstreams {
         for (hostname, host_config) in upstreams {
             let path_map = DashMap::new();
-            let header_list = DashMap::new();
+            let client_header_list = DashMap::new();
+            let server_header_list = DashMap::new();
             for (path, path_config) in &host_config.paths {
                 if let Some(rate) = &path_config.rate_limit {
                     info!("Applied Rate Limit for {} : {} request per second", hostname, rate);
                 }
-
+                let mut hl: Vec<(Arc<str>, Arc<str>)> = Vec::new();
+                let mut sl: Vec<(Arc<str>, Arc<str>)> = Vec::new();
+                build_headers(&path_config.client_headers, config, &mut hl);
+                build_headers(&path_config.server_headers, config, &mut sl);
+                client_header_list.insert(Arc::from(path.as_str()), hl);
+                server_header_list.insert(Arc::from(path.as_str()), sl);
                 let mut server_list = Vec::new();
-                let mut hl = Vec::new();
-
-                if let Some(headers) = &path_config.headers {
-                    for header in headers {
-                        if let Some((key, val)) = header.split_once(':') {
-                            hl.push((key.trim().to_string(), val.trim().to_string()));
-                        }
-                    }
-                }
-                header_list.insert(path.clone(), hl);
-
                 for server in &path_config.servers {
+                    let mut path_auth: Option<Arc<InnerAuth>> = None;
+                    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()),
+                        };
+                        path_auth = Some(Arc::from(y));
+                    }
+
                     if let Some((ip, port_str)) = server.split_once(':') {
                         if let Ok(port) = port_str.parse::<u16>() {
-                            server_list.push(InnerMap {
-                                address: ip.trim().to_string(),
+                            server_list.push(Arc::from(InnerMap {
+                                address: Arc::from(ip),
                                 port,
                                 is_ssl: true,
                                 is_http2: false,
                                 to_https: path_config.to_https.unwrap_or(false),
-                                // rate_limit: rate,
                                 rate_limit: path_config.rate_limit,
-                            });
+                                healthcheck: path_config.healthcheck,
+                                authorization: path_auth,
+                            }));
                         }
                     }
                 }
-                path_map.insert(path.clone(), (server_list, AtomicUsize::new(0)));
+                path_map.insert(Arc::from(path.clone()), (server_list, AtomicUsize::new(0)));
             }
-            config.headers.insert(hostname.clone(), header_list);
-            imtdashmap.insert(hostname.clone(), path_map);
+            config.client_headers.insert(Arc::from(hostname.clone()), client_header_list);
+            config.server_headers.insert(Arc::from(hostname.clone()), server_header_list);
+            imtdashmap.insert(Arc::from(hostname.clone()), path_map);
         }
-        let y = clone_dashmap(&imtdashmap);
-        let r = healthcheck::initiate_upstreams(y).await;
-        clone_dashmap_into(&r, &config.upstreams);
-        println!("Upstream Config:");
+
+        if is_first_run() {
+            clone_dashmap_into(&imtdashmap, &config.upstreams);
+            mark_not_first_run();
+        } else {
+            let y = clone_dashmap(&imtdashmap);
+            let r = healthcheck::initiate_upstreams(y).await;
+            clone_dashmap_into(&r, &config.upstreams);
+        }
+        info!("Upstream Config:");
         print_upstreams(&config.upstreams);
     }
 }
@@ -218,3 +241,13 @@ fn log_builder(conf: &AppConfig) {
     }
     env_logger::builder().init();
 }
+
+pub fn build_headers(path_config: &Option<Vec<String>>, _config: &Configuration, hl: &mut Vec<(Arc<str>, Arc<str>)>) {
+    if let Some(headers) = &path_config {
+        for header in headers {
+            if let Some((key, val)) = header.split_once(':') {
+                hl.push((Arc::from(key.trim()), Arc::from(val.trim())));
+            }
+        }
+    }
+}

src/utils/state.rs

@@ -0,0 +1,30 @@
+use once_cell::sync::Lazy;
+use std::sync::RwLock;
+
+#[derive(Debug)]
+pub struct SharedState {
+    pub first_run: bool,
+}
+
+pub static GLOBAL_STATE: Lazy<RwLock<SharedState>> = Lazy::new(|| RwLock::new(SharedState { first_run: true }));
+
+pub fn mark_not_first_run() {
+    let mut state = GLOBAL_STATE.write().unwrap();
+    state.first_run = false;
+}
+
+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

@@ -2,26 +2,40 @@ use dashmap::DashMap;
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::sync::atomic::AtomicUsize;
+use std::sync::Arc;
 
-pub type UpstreamsDashMap = DashMap<String, DashMap<String, (Vec<InnerMap>, AtomicUsize)>>;
+pub type UpstreamsDashMap = DashMap<Arc<str>, DashMap<Arc<str>, (Vec<Arc<InnerMap>>, AtomicUsize)>>;
 
-pub type UpstreamsIdMap = DashMap<String, InnerMap>;
-pub type Headers = DashMap<String, DashMap<String, Vec<(String, String)>>>;
-
-#[derive(Debug, Default, Clone, Serialize, Deserialize)]
-pub struct ServiceMapping {
-    pub proxy: String,
-    pub real: String,
-}
+pub type UpstreamsIdMap = DashMap<String, Arc<InnerMap>>;
+pub type Headers = DashMap<Arc<str>, DashMap<Arc<str>, Vec<(Arc<str>, Arc<str>)>>>;
 
 #[derive(Clone, Debug, Default)]
 pub struct Extraparams {
-    pub sticky_sessions: bool,
     pub to_https: Option<bool>,
-    pub authentication: DashMap<String, Vec<String>>,
+    pub sticky_sessions: bool,
+    pub authentication: Option<InnerAuth>,
     pub rate_limit: Option<isize>,
 }
 
+#[derive(Debug, Default, Clone, Serialize, Deserialize)]
+pub struct ServiceMapping {
+    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 client_headers: Option<Vec<String>>,
+    pub server_headers: Option<Vec<String>>,
+}
+
+#[derive(Clone, Default, Debug, Serialize, Deserialize)]
+pub struct Kubernetes {
+    pub servers: Option<Vec<String>>,
+    pub services: Option<Vec<ServiceMapping>>,
+    pub tokenpath: Option<String>,
+}
+
 #[derive(Clone, Default, Debug, Serialize, Deserialize)]
 pub struct Consul {
     pub servers: Option<Vec<String>>,
@@ -31,19 +45,23 @@ pub struct Consul {
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct Config {
     pub provider: String,
-    pub sticky_sessions: bool,
     pub to_https: Option<bool>,
+    pub sticky_sessions: bool,
     #[serde(default)]
     pub upstreams: Option<HashMap<String, HostConfig>>,
     #[serde(default)]
     pub globals: Option<HashMap<String, Vec<String>>>,
     #[serde(default)]
-    pub headers: Option<Vec<String>>,
+    pub client_headers: Option<Vec<String>>,
     #[serde(default)]
-    pub authorization: Option<HashMap<String, String>>,
+    pub server_headers: Option<Vec<String>>,
+    #[serde(default)]
+    pub authorization: Option<Auth>,
     #[serde(default)]
     pub consul: Option<Consul>,
     #[serde(default)]
+    pub kubernetes: Option<Kubernetes>,
+    #[serde(default)]
     pub rate_limit: Option<isize>,
 }
 
@@ -52,19 +70,31 @@ pub struct HostConfig {
     pub paths: HashMap<String, PathConfig>,
     pub rate_limit: Option<isize>,
 }
-
+#[derive(Debug, Default, Serialize, Deserialize, Clone)]
+pub struct Auth {
+    #[serde(rename = "type")]
+    pub auth_type: String,
+    #[serde(rename = "creds")]
+    pub auth_cred: String,
+}
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct PathConfig {
     pub servers: Vec<String>,
     pub to_https: Option<bool>,
-    pub headers: Option<Vec<String>>,
+    pub sticky_sessions: Option<bool>,
+    pub client_headers: Option<Vec<String>>,
+    pub server_headers: Option<Vec<String>>,
     pub rate_limit: Option<isize>,
+    pub healthcheck: Option<bool>,
+    pub authorization: Option<Auth>,
 }
 #[derive(Debug, Default)]
 pub struct Configuration {
     pub upstreams: UpstreamsDashMap,
-    pub headers: Headers,
+    pub client_headers: Headers,
+    pub server_headers: Headers,
     pub consul: Option<Consul>,
+    pub kubernetes: Option<Kubernetes>,
     pub typecfg: String,
     pub extraparams: Extraparams,
 }
@@ -89,28 +119,56 @@ pub struct AppConfig {
     pub proxy_tls_grade: Option<String>,
     pub file_server_address: Option<String>,
     pub file_server_folder: Option<String>,
+    pub runuser: Option<String>,
+    pub rungroup: Option<String>,
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+#[derive(Debug, Default, Clone, PartialEq, Eq)]
+pub struct InnerAuth {
+    pub auth_type: Arc<str>,
+    pub auth_cred: Arc<str>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct InnerMap {
-    pub address: String,
+    pub address: Arc<str>,
     pub port: u16,
     pub is_ssl: bool,
     pub is_http2: bool,
     pub to_https: bool,
     pub rate_limit: Option<isize>,
+    pub healthcheck: Option<bool>,
+    pub authorization: Option<Arc<InnerAuth>>,
 }
 
 #[allow(dead_code)]
 impl InnerMap {
     pub fn new() -> Self {
         Self {
-            address: Default::default(),
+            address: Arc::from("127.0.0.1"),
             port: Default::default(),
             is_ssl: Default::default(),
             is_http2: Default::default(),
             to_https: Default::default(),
             rate_limit: Default::default(),
+            healthcheck: Default::default(),
+            authorization: Default::default(),
         }
     }
 }
+
+#[derive(Debug, Default, Serialize, Deserialize)]
+pub struct InnerMapForJson {
+    pub address: String,
+    pub port: u16,
+    pub is_ssl: bool,
+    pub is_http2: bool,
+    pub to_https: bool,
+    pub rate_limit: Option<isize>,
+    pub healthcheck: Option<bool>,
+}
+#[derive(Debug, Default, Serialize, Deserialize)]
+pub struct UpstreamSnapshotForJson {
+    pub backends: Vec<InnerMapForJson>,
+    pub requests: usize,
+}

src/utils/tls.rs

@@ -193,9 +193,7 @@ pub struct CipherSuite {
 }
 const CIPHERS: CipherSuite = CipherSuite {
     high: "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305",
-    // aa: "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256",
     medium: "ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:AES128-GCM-SHA256",
-    // cc: "AES128-SHA:DES-CBC3-SHA",
     legacy: "ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH",
 };
 
@@ -230,26 +228,30 @@ pub fn set_tsl_grade(tls_settings: &mut TlsSettings, grade: &str) {
             let _ = tls_settings.set_min_proto_version(Some(SslVersion::TLS1_2));
             // let _ = tls_settings.set_max_proto_version(Some(SslVersion::TLS1_3));
             let _ = tls_settings.set_cipher_list(CIPHERS.high);
-            let _ = tls_settings.set_ciphersuites(CIPHERS.high);
+            // let _ = tls_settings.set_ciphersuites(CIPHERS.high);
+            let _ = tls_settings.set_cipher_list(CIPHERS.high);
             info!("TLS grade: {:?}, => HIGH", tls_settings.options());
         }
         Some(TlsGrade::MEDIUM) => {
             let _ = tls_settings.set_min_proto_version(Some(SslVersion::TLS1));
             let _ = tls_settings.set_cipher_list(CIPHERS.medium);
-            let _ = tls_settings.set_ciphersuites(CIPHERS.medium);
+            // let _ = tls_settings.set_ciphersuites(CIPHERS.medium);
+            let _ = tls_settings.set_cipher_list(CIPHERS.medium);
             info!("TLS grade: {:?}, => MEDIUM", tls_settings.options());
         }
         Some(TlsGrade::LEGACY) => {
             let _ = tls_settings.set_min_proto_version(Some(SslVersion::SSL3));
             let _ = tls_settings.set_cipher_list(CIPHERS.legacy);
-            let _ = tls_settings.set_ciphersuites(CIPHERS.legacy);
+            // let _ = tls_settings.set_ciphersuites(CIPHERS.legacy);
+            let _ = tls_settings.set_cipher_list(CIPHERS.legacy);
             warn!("TLS grade: {:?}, => UNSAFE", tls_settings.options());
         }
         None => {
             // Defaults to MEDIUM
             let _ = tls_settings.set_min_proto_version(Some(SslVersion::TLS1));
             let _ = tls_settings.set_cipher_list(CIPHERS.medium);
-            let _ = tls_settings.set_ciphersuites(CIPHERS.medium);
+            // let _ = tls_settings.set_ciphersuites(CIPHERS.medium);
+            let _ = tls_settings.set_cipher_list(CIPHERS.medium);
             warn!("TLS grade is not detected defaulting top MEDIUM");
         }
     }

src/utils/tools.rs

@@ -1,17 +1,24 @@
-use crate::utils::structs::{InnerMap, UpstreamsDashMap, UpstreamsIdMap};
+use crate::utils::structs::{InnerMap, InnerMapForJson, UpstreamSnapshotForJson, UpstreamsDashMap, UpstreamsIdMap};
 use crate::utils::tls;
 use crate::utils::tls::CertificateConfig;
 use dashmap::DashMap;
 use log::{error, info};
 use notify::{event::ModifyKind, Config, EventKind, RecommendedWatcher, RecursiveMode, Watcher};
+use port_check::is_port_reachable;
+use privdrop::PrivDrop;
+use serde_json::{json, Value};
 use sha2::{Digest, Sha256};
 use std::any::type_name;
 use std::collections::{HashMap, HashSet};
 use std::fmt::Write;
-use std::fs;
-use std::sync::atomic::AtomicUsize;
+use std::net::SocketAddr;
+use std::os::unix::fs::MetadataExt;
+use std::str::FromStr;
+use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::mpsc::{channel, Sender};
+use std::sync::Arc;
 use std::time::{Duration, Instant};
+use std::{fs, process, thread, time};
 
 #[allow(dead_code)]
 pub fn print_upstreams(upstreams: &UpstreamsDashMap) {
@@ -24,8 +31,13 @@ pub fn print_upstreams(upstreams: &UpstreamsDashMap) {
             println!("    Path: {}", path);
             for f in path_entry.value().0.clone() {
                 println!(
-                    "        IP: {}, Port: {}, SSL: {}, H2: {}, To HTTPS: {}",
-                    f.address, f.port, f.is_ssl, f.is_http2, f.to_https
+                    "        IP: {}, Port: {}, SSL: {}, H2: {}, To HTTPS: {}, Rate Limit: {}",
+                    f.address,
+                    f.port,
+                    f.is_ssl,
+                    f.is_http2,
+                    f.to_https,
+                    f.rate_limit.unwrap_or(0)
                 );
             }
         }
@@ -112,17 +124,29 @@ pub fn compare_dashmaps(map1: &UpstreamsDashMap, map2: &UpstreamsDashMap) -> boo
                 return false; // Path exists in map1 but not in map2
             };
             let (vec2, _counter2) = entry2.value();
-            let set1: HashSet<_> = vec1.iter().collect();
-            let set2: HashSet<_> = vec2.iter().collect();
-            if set1 != set2 {
+
+            if vec1.len() != vec2.len() {
                 return false;
             }
+            for item in vec1.iter() {
+                let count1 = vec1.iter().filter(|&x| x == item).count();
+                let count2 = vec2.iter().filter(|&x| x == item).count();
+                if count1 != count2 {
+                    return false;
+                }
+            }
+
+            // let set1: HashSet<_> = vec1.iter().collect();
+            // let set2: HashSet<_> = vec2.iter().collect();
+            // if set1 != set2 {
+            //     return false;
+            // }
         }
     }
     true
 }
 
-pub fn merge_headers(target: &DashMap<String, Vec<(String, String)>>, source: &DashMap<String, Vec<(String, String)>>) {
+pub fn merge_headers(target: &DashMap<Arc<str>, Vec<(Arc<str>, Arc<str>)>>, source: &DashMap<Arc<str>, Vec<(Arc<str>, Arc<str>)>>) {
     for entry in source.iter() {
         let global_key = entry.key().clone();
         let global_values = entry.value().clone();
@@ -149,15 +173,19 @@ pub fn clone_idmap_into(original: &UpstreamsDashMap, cloned: &UpstreamsIdMap) {
                 let hex_hash = base16ct::lower::encode_string(&hash);
                 let hh = hex_hash[0..50].to_string();
                 let to_add = InnerMap {
-                    address: hh.clone(),
+                    address: Arc::from("127.0.0.1"),
                     port: 0,
                     is_ssl: false,
                     is_http2: false,
                     to_https: false,
                     rate_limit: None,
+                    healthcheck: None,
+                    authorization: None,
                 };
-                cloned.insert(id, to_add);
-                cloned.insert(hh, x.to_owned());
+
+                cloned.insert(id, Arc::from(to_add));
+                cloned.insert(hh, Arc::from(x.to_owned()));
+                // println!("CLONNED  :===========> {:?}", cloned);
             }
             new_inner_map.insert(path.clone(), new_vec);
         }
@@ -220,3 +248,123 @@ pub fn watch_folder(path: String, sender: Sender<Vec<CertificateConfig>>) -> not
         }
     }
 }
+
+pub fn drop_priv(user: String, group: String, http_addr: String, tls_addr: Option<String>) {
+    thread::sleep(time::Duration::from_millis(10));
+    loop {
+        thread::sleep(time::Duration::from_millis(10));
+        if is_port_reachable(http_addr.clone()) {
+            break;
+        }
+    }
+    if let Some(tls_addr) = tls_addr {
+        loop {
+            thread::sleep(time::Duration::from_millis(10));
+            if is_port_reachable(tls_addr.clone()) {
+                break;
+            }
+        }
+    }
+    info!("Dropping ROOT privileges to: {}:{}", user, group);
+    if let Err(e) = PrivDrop::default().user(user).group(group).apply() {
+        error!("Failed to drop privileges: {}", e);
+        process::exit(1)
+    }
+}
+
+pub fn check_priv(addr: &str) {
+    let port = SocketAddr::from_str(addr).map(|sa| sa.port()).unwrap();
+    match port < 1024 {
+        true => {
+            let meta = std::fs::metadata("/proc/self").map(|m| m.uid()).unwrap();
+            if meta != 0 {
+                error!("Running on privileged port requires to start as ROOT");
+                process::exit(1)
+            }
+        }
+        false => {}
+    }
+}
+
+#[allow(dead_code)]
+pub fn upstreams_to_json(upstreams: &UpstreamsDashMap) -> serde_json::Result<String> {
+    let mut outer = HashMap::new();
+
+    for outer_entry in upstreams.iter() {
+        let mut inner_map = HashMap::new();
+
+        for inner_entry in outer_entry.value().iter() {
+            let (backends, counter) = inner_entry.value();
+
+            inner_map.insert(
+                inner_entry.key().to_string(),
+                UpstreamSnapshotForJson {
+                    backends: backends
+                        .iter()
+                        .map(|a| InnerMapForJson {
+                            address: a.address.to_string(),
+                            port: a.port,
+                            is_ssl: a.is_ssl,
+                            is_http2: a.is_http2,
+                            to_https: a.to_https,
+                            rate_limit: a.rate_limit,
+                            healthcheck: a.healthcheck,
+                        })
+                        .collect(),
+                    requests: counter.load(Ordering::Relaxed),
+                },
+            );
+        }
+
+        outer.insert(outer_entry.key().to_string(), inner_map);
+    }
+
+    // serde_json::to_string_pretty(&outer)
+    serde_json::to_string(&outer)
+}
+
+pub fn upstreams_liveness_json(configured: &UpstreamsDashMap, current: &UpstreamsDashMap) -> Value {
+    let mut result = serde_json::Map::new();
+
+    for host_entry in configured.iter() {
+        let hostname = host_entry.key().to_string();
+        let configured_paths = host_entry.value();
+
+        let mut paths_json = serde_json::Map::new();
+
+        for path_entry in configured_paths.iter() {
+            let path = path_entry.key().clone();
+            let (configured_backends, _) = path_entry.value();
+            let backends_json: Vec<Value> = configured_backends
+                .iter()
+                .map(|backend| {
+                    let alive = if let Some(host_map) = current.get(&*hostname) {
+                        if let Some(path_entry) = host_map.get(&*path) {
+                            let list = &path_entry.value().0; // Vec<Arc<InnerMap>>
+                            list.iter().any(|b| b.address == backend.address && b.port == backend.port)
+                        } else {
+                            false
+                        }
+                    } else {
+                        false
+                    };
+                    json!({
+                        "address": &*backend.address,
+                        "port": backend.port,
+                        "alive": alive
+                    })
+                })
+                .collect();
+
+            paths_json.insert(
+                path.to_string(),
+                json!({
+                    "backends": backends_json
+                }),
+            );
+        }
+
+        result.insert(hostname, Value::Object(paths_json));
+    }
+    Value::Object(result)
+}

src/web/bgservice.rs

@@ -1,4 +1,5 @@
-use crate::utils::discovery::{APIUpstreamProvider, ConsulProvider, Discovery, FromFileProvider};
+use crate::utils::discovery::{APIUpstreamProvider, ConsulProvider, Discovery, FromFileProvider, KubernetesProvider};
+use crate::utils::parceyaml::load_configuration;
 use crate::utils::structs::Configuration;
 use crate::utils::tools::*;
 use crate::utils::*;
@@ -6,8 +7,8 @@ use crate::web::proxyhttp::LB;
 use async_trait::async_trait;
 use dashmap::DashMap;
 use futures::channel::mpsc;
-use futures::StreamExt;
-use log::info;
+use futures::{SinkExt, StreamExt};
+use log::{error, info};
 use pingora_core::server::ShutdownWatch;
 use pingora_core::services::background::BackgroundService;
 use std::sync::Arc;
@@ -15,35 +16,53 @@ use std::sync::Arc;
 #[async_trait]
 impl BackgroundService for LB {
     async fn start(&self, mut shutdown: ShutdownWatch) {
-        info!("Starting background service");
-        let (tx, mut rx) = mpsc::channel::<Configuration>(0);
+        info!("Starting background service"); // tx: Sender<Configuration>
+        let (mut 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
+            .0
+            .expect("Failed to load configuration");
 
-        let tx_file = tx.clone();
-        let tx_consul = tx.clone();
-
-        let file_load = FromFileProvider {
-            path: self.config.upstreams_conf.clone(),
-        };
-        let consul_load = ConsulProvider {
-            path: self.config.upstreams_conf.clone(),
-        };
-
-        let _ = tokio::spawn(async move { file_load.start(tx_file).await });
-        let _ = tokio::spawn(async move { consul_load.start(tx_consul).await });
-        // let _ = tokio::spawn(tls::watch_certs(self.config.proxy_certificates.clone().unwrap(), self.cert_tx.clone()));
-        // let _ = tokio::spawn(tls::watch_certs(self.config.proxy_certificates.clone().unwrap(), self.cert_tx.clone())).await;
+        match config.typecfg.as_str() {
+            "file" => {
+                info!("Running File discovery, requested type is: {}", config.typecfg);
+                tx.send(config).await.unwrap();
+                let file_load = FromFileProvider {
+                    path: self.config.upstreams_conf.clone(),
+                };
+                let _ = tokio::spawn(async move { file_load.start(tx).await });
+            }
+            "kubernetes" => {
+                info!("Running Kubernetes discovery, requested type is: {}", config.typecfg);
+                let cf = Arc::from(config);
+                let kuber_load = KubernetesProvider { config: cf.clone() };
+                let _ = tokio::spawn(async move { kuber_load.start(tx).await });
+            }
+            "consul" => {
+                info!("Running Consul discovery, requested type is: {}", config.typecfg);
+                let cf = Arc::from(config);
+                let consul_load = ConsulProvider { config: cf.clone() };
+                let _ = tokio::spawn(async move { consul_load.start(tx).await });
+            }
+            _ => {
+                error!("Unknown discovery type: {}", config.typecfg);
+            }
+        }
 
         let api_load = APIUpstreamProvider {
             address: self.config.config_address.clone(),
             masterkey: self.config.master_key.clone(),
             config_api_enabled: self.config.config_api_enabled.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(),
+            // 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 tx_api = tx.clone();
+        // let tx_api = tx.clone();
         let _ = tokio::spawn(async move { api_load.start(tx_api).await });
 
         let uu = self.ump_upst.clone();
@@ -64,27 +83,43 @@ impl BackgroundService for LB {
                             clone_dashmap_into(&ss.upstreams, &self.ump_upst);
                             let current = self.extraparams.load_full();
                             let mut new = (*current).clone();
-                            new.sticky_sessions = ss.extraparams.sticky_sessions;
                             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;
                             self.extraparams.store(Arc::new(new));
-                            self.headers.clear();
+                            self.client_headers.clear();
+                            self.server_headers.clear();
 
                             for entry in ss.upstreams.iter() {
                                 let global_key = entry.key().clone();
-                                let global_values = DashMap::new();
-                                let mut target_entry = ss.headers.entry(global_key).or_insert_with(DashMap::new);
-                                target_entry.extend(global_values);
-                                self.headers.insert(target_entry.key().to_owned(), target_entry.value().to_owned());
+                                let client_global_values = DashMap::new();
+                                let server_global_values = DashMap::new();
+
+                                let mut client_target_entry = ss.client_headers.entry(global_key.clone()).or_insert_with(DashMap::new);
+                                client_target_entry.extend(client_global_values);
+                                let mut server_target_entry = ss.server_headers.entry(global_key).or_insert_with(DashMap::new);
+                                server_target_entry.extend(server_global_values);
+                                self.server_headers.insert(server_target_entry.key().to_owned(), server_target_entry.value().to_owned());
                             }
 
-                            for path in ss.headers.iter() {
+                            for path in ss.client_headers.iter() {
                                 let path_key = path.key().clone();
                                 let path_headers = path.value().clone();
-                                self.headers.insert(path_key.clone(), path_headers);
-                                if let Some(global_headers) = ss.headers.get("GLOBAL_HEADERS") {
-                                    if let Some(existing_headers) = self.headers.get_mut(&path_key) {
+                                self.client_headers.insert(path_key.clone(), path_headers);
+                                if let Some(global_headers) = ss.client_headers.get("GLOBAL_CLIENT_HEADERS") {
+                                    if let Some(existing_headers) = self.client_headers.get_mut(&path_key) {
+                                        merge_headers(&existing_headers, &global_headers);
+                                    }
+                                }
+                            }
+
+                            for path in ss.server_headers.iter() {
+                                let path_key = path.key().clone();
+                                let path_headers = path.value().clone();
+                                self.server_headers.insert(path_key.clone(), path_headers);
+                                if let Some(global_headers) = ss.server_headers.get("GLOBAL_SERVER_HEADERS") {
+                                    if let Some(existing_headers) = self.server_headers.get_mut(&path_key) {
                                         merge_headers(&existing_headers, &global_headers);
                                     }
                                 }

src/web/gethosts.rs

@@ -2,77 +2,120 @@ use crate::utils::structs::InnerMap;
 use crate::web::proxyhttp::LB;
 use async_trait::async_trait;
 use std::sync::atomic::Ordering;
+use std::sync::Arc;
+
+#[derive(Debug, Clone)]
+pub struct GetHostsReturHeaders {
+    pub client_headers: Option<Vec<(Arc<str>, Arc<str>)>>,
+    pub server_headers: Option<Vec<(Arc<str>, Arc<str>)>>,
+}
 
 #[async_trait]
 pub trait GetHost {
-    fn get_host(&self, peer: &str, path: &str, backend_id: Option<&str>) -> Option<InnerMap>;
-    fn get_header(&self, peer: &str, path: &str) -> Option<Vec<(String, String)>>;
+    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<InnerMap> {
+    // fn get_upstreams(&self) -> Arc<UpstreamsDashMap> {
+    //     self.ump_full.clone()
+    // }
+    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) {
-                // println!("BIB :===> {:?}", Some(bb.value()));
                 return Some(bb.value().clone());
             }
         }
-
         let host_entry = self.ump_upst.get(peer)?;
-        let mut current_path = path.to_string();
-        let mut best_match: Option<InnerMap> = None;
+        let mut end = path.len();
         loop {
-            if let Some(entry) = host_entry.get(&current_path) {
+            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();
-                    best_match = Some(servers[idx].clone());
-                    break;
+                    return Some(servers[idx].clone());
                 }
             }
-            if let Some(pos) = current_path.rfind('/') {
-                current_path.truncate(pos);
+            if let Some(pos) = slice.rfind('/') {
+                end = pos;
             } else {
                 break;
             }
         }
-        if best_match.is_none() {
-            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();
-                    best_match = Some(servers[idx].clone());
-                }
+        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());
             }
         }
-        // println!("Best Match :===> {:?}", best_match);
-        best_match
+        None
     }
-    fn get_header(&self, peer: &str, path: &str) -> Option<Vec<(String, String)>> {
-        let host_entry = self.headers.get(peer)?;
-        let mut current_path = path.to_string();
-        let mut best_match: Option<Vec<(String, String)>> = None;
 
-        loop {
-            if let Some(entry) = host_entry.get(&current_path) {
-                if !entry.value().is_empty() {
-                    best_match = Some(entry.value().clone());
+    fn get_header(&self, peer: &str, path: &str) -> Option<GetHostsReturHeaders> {
+        let client_entry = self.client_headers.get(peer);
+        let server_entry = self.server_headers.get(peer);
+        if client_entry.is_none() && server_entry.is_none() {
+            return None;
+        }
+        let mut current_path = path;
+        let mut clnt_match = None;
+        if let Some(client_entry) = client_entry {
+            loop {
+                if let Some(entry) = client_entry.get(current_path) {
+                    if !entry.value().is_empty() {
+                        clnt_match = Some(entry.value().clone());
+                        break;
+                    }
+                }
+                if current_path == "/" {
+                    break;
+                }
+                if let Some(pos) = current_path.rfind('/') {
+                    current_path = if pos == 0 { "/" } else { &current_path[..pos] };
+                } else {
                     break;
                 }
             }
-            if let Some(pos) = current_path.rfind('/') {
-                current_path.truncate(pos);
-            } else {
-                break;
-            }
         }
-        if best_match.is_none() {
-            if let Some(entry) = host_entry.get("/") {
-                if !entry.value().is_empty() {
-                    best_match = Some(entry.value().clone());
+        current_path = path;
+        let mut serv_match = None;
+        if let Some(server_entry) = server_entry {
+            loop {
+                if let Some(entry) = server_entry.get(current_path) {
+                    if !entry.value().is_empty() {
+                        serv_match = Some(entry.value().clone());
+                        break;
+                    }
+                }
+                if current_path == "/" {
+                    if let Some(entry) = server_entry.get("/") {
+                        if !entry.value().is_empty() {
+                            serv_match = Some(entry.value().clone());
+                            break;
+                        }
+                    }
+                    break;
+                }
+                if let Some(pos) = current_path.rfind('/') {
+                    current_path = if pos == 0 { "/" } else { &current_path[..pos] };
+                } else {
+                    break;
                 }
             }
         }
-        best_match
+        let result = GetHostsReturHeaders {
+            client_headers: clnt_match,
+            server_headers: serv_match,
+        };
+
+        if result.client_headers.is_some() || result.server_headers.is_some() {
+            Some(result)
+        } else {
+            None
+        }
     }
 }

src/web/proxyhttp.rs

@@ -1,43 +1,56 @@
 use crate::utils::auth::authenticate;
 use crate::utils::metrics::*;
 use crate::utils::structs::{AppConfig, Extraparams, Headers, InnerMap, UpstreamsDashMap, UpstreamsIdMap};
-use crate::web::gethosts::GetHost;
+use crate::web::gethosts::{GetHost, GetHostsReturHeaders};
 use arc_swap::ArcSwap;
 use async_trait::async_trait;
 use axum::body::Bytes;
-use log::{debug, warn};
+use dashmap::DashMap;
+// use x509_parser::asn1_rs::ToDer;
+use itoa::Buffer;
+use log::{debug, error, warn};
 use once_cell::sync::Lazy;
 use pingora::http::{RequestHeader, ResponseHeader, StatusCode};
 use pingora::prelude::*;
 use pingora::ErrorSource::Upstream;
 use pingora_core::listeners::ALPN;
 use pingora_core::prelude::HttpPeer;
+// use pingora_core::protocols::TcpKeepalive;
 use pingora_limits::rate::Rate;
 use pingora_proxy::{ProxyHttp, Session};
+use sha2::{Digest, Sha256};
+use std::cell::RefCell;
+// use std::collections::BTreeMap;
+use std::fmt::Write;
 use std::sync::Arc;
 use std::time::Duration;
 use tokio::time::Instant;
 
 static RATE_LIMITER: Lazy<Rate> = Lazy::new(|| Rate::new(Duration::from_secs(1)));
+static REVERSE_STORE: Lazy<DashMap<String, String>> = Lazy::new(|| DashMap::new());
+thread_local! {static IP_BUFFER: RefCell<String> = RefCell::new(String::with_capacity(50));}
 
 #[derive(Clone)]
 pub struct LB {
     pub ump_upst: Arc<UpstreamsDashMap>,
     pub ump_full: Arc<UpstreamsDashMap>,
     pub ump_byid: Arc<UpstreamsIdMap>,
-    pub headers: Arc<Headers>,
+    pub client_headers: Arc<Headers>,
+    pub server_headers: Arc<Headers>,
     pub config: Arc<AppConfig>,
     pub extraparams: Arc<ArcSwap<Extraparams>>,
 }
 
 pub struct Context {
-    backend_id: String,
+    backend_id: Option<String>,
     to_https: bool,
-    redirect_to: String,
+    sticky_sessions: bool,
+    redirect_to: Option<String>,
     start_time: Instant,
-    hostname: Option<String>,
-    upstream_peer: Option<InnerMap>,
+    hostname: Option<Arc<str>>,
+    upstream_peer: Option<Arc<InnerMap>>,
     extraparams: arc_swap::Guard<Arc<Extraparams>>,
+    client_headers: Option<Arc<Vec<(Arc<str>, Arc<str>)>>>,
 }
 
 #[async_trait]
@@ -45,62 +58,72 @@ impl ProxyHttp for LB {
     type CTX = Context;
     fn new_ctx(&self) -> Self::CTX {
         Context {
-            backend_id: String::new(),
+            backend_id: None,
             to_https: false,
-            redirect_to: String::new(),
+            sticky_sessions: false,
+            redirect_to: None,
             start_time: Instant::now(),
             hostname: None,
             upstream_peer: None,
             extraparams: self.extraparams.load(),
+            client_headers: None,
         }
     }
     async fn request_filter(&self, session: &mut Session, _ctx: &mut Self::CTX) -> Result<bool> {
-        let ep = _ctx.extraparams.clone();
-
-        if let Some(auth) = ep.authentication.get("authorization") {
-            let authenticated = authenticate(&auth.value(), &session);
+        // let ep = _ctx.extraparams.as_ref();
+        if let Some(auth) = &_ctx.extraparams.authentication {
+            let authenticated = authenticate(&auth.auth_type, &auth.auth_cred, &session);
             if !authenticated {
                 let _ = session.respond_error(401).await;
                 warn!("Forbidden: {:?}, {}", session.client_addr(), session.req_header().uri.path());
                 return Ok(true);
             }
-        };
-
-        let hostname = return_header_host(&session);
-        _ctx.hostname = hostname.clone();
-
+        }
+        let hostname = return_header_host_from_upstream(session, &self.ump_upst);
+        _ctx.hostname = hostname;
         let mut backend_id = None;
 
-        if ep.sticky_sessions {
+        if _ctx.extraparams.sticky_sessions {
             if let Some(cookies) = session.req_header().headers.get("cookie") {
                 if let Ok(cookie_str) = cookies.to_str() {
-                    for cookie in cookie_str.split(';') {
-                        let trimmed = cookie.trim();
-                        if let Some(value) = trimmed.strip_prefix("backend_id=") {
-                            backend_id = Some(value);
-                            break;
-                        }
+                    if let Some(pos) = cookie_str.find("backend_id=") {
+                        let value = &cookie_str[pos + "backend_id=".len()..];
+                        let end = value.find(';').unwrap_or(value.len());
+                        backend_id = Some(&value[..end]);
                     }
                 }
             }
         }
-
-        match hostname {
+        match _ctx.hostname.as_ref() {
             None => return Ok(false),
             Some(host) => {
-                let optioninnermap = self.get_host(host.as_str(), host.as_str(), backend_id);
+                let optioninnermap = self.get_host(host, session.req_header().uri.path(), backend_id);
+
                 match optioninnermap {
                     None => return Ok(false),
                     Some(ref innermap) => {
-                        if let Some(rate) = innermap.rate_limit.or(ep.rate_limit) {
-                            // let rate_key = session.client_addr().and_then(|addr| addr.as_inet()).map(|inet| inet.ip().to_string()).unwrap_or_else(|| host.to_string());
+                        // Inner auth works only if global is disabled.
+                        if let Some(auth) = &innermap.authorization {
+                            if _ctx.extraparams.authentication.is_none() {
+                                let authenticated = authenticate(&auth.auth_type, &auth.auth_cred, &session);
+                                if !authenticated {
+                                    let _ = session.respond_error(401).await;
+                                    warn!("Forbidden: {:?}, {}", session.client_addr(), session.req_header().uri.path());
+                                    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);
                             if curr_window_requests > rate {
-                                let mut header = ResponseHeader::build(429, None).unwrap();
-                                header.insert_header("X-Rate-Limit-Limit", rate.to_string()).unwrap();
-                                header.insert_header("X-Rate-Limit-Remaining", "0").unwrap();
-                                header.insert_header("X-Rate-Limit-Reset", "1").unwrap();
+                                let mut buf = Buffer::new();
+                                let rate_str = buf.format(rate);
+                                let mut header = ResponseHeader::build(429, None)?;
+                                header.insert_header("X-Rate-Limit-Limit", rate_str)?;
+                                header.insert_header("X-Rate-Limit-Remaining", "0")?;
+                                header.insert_header("X-Rate-Limit-Reset", "1")?;
                                 session.set_keepalive(None);
                                 session.write_response_header(Box::new(header), true).await?;
                                 debug!("Rate limited: {:?}, {}", rate_key, rate);
@@ -115,54 +138,72 @@ impl ProxyHttp for LB {
         Ok(false)
     }
     async fn upstream_peer(&self, session: &mut Session, ctx: &mut Self::CTX) -> Result<Box<HttpPeer>> {
-        // let host_name = return_header_host(&session);
         match ctx.hostname.as_ref() {
-            Some(hostname) => {
-                match ctx.upstream_peer.as_ref() {
-                    // Some((address, port, ssl, is_h2, to_https)) => {
-                    Some(innermap) => {
-                        let mut peer = Box::new(HttpPeer::new((innermap.address.clone(), innermap.port.clone()), innermap.is_ssl, String::new()));
-                        // if session.is_http2() {
-                        if innermap.is_http2 {
-                            peer.options.alpn = ALPN::H2;
-                        }
-                        if innermap.is_ssl {
-                            peer.sni = hostname.clone();
-                            peer.options.verify_cert = false;
-                            peer.options.verify_hostname = false;
-                        }
-                        if ctx.to_https || innermap.to_https {
-                            if let Some(stream) = session.stream() {
-                                if stream.get_ssl().is_none() {
-                                    if let Some(addr) = session.server_addr() {
-                                        if let Some((host, _)) = addr.to_string().split_once(':') {
-                                            let uri = session.req_header().uri.path_and_query().map_or("/", |pq| pq.as_str());
-                                            let port = self.config.proxy_port_tls.unwrap_or(403);
-                                            ctx.to_https = true;
-                                            ctx.redirect_to = format!("https://{}:{}{}", host, port, uri);
-                                        }
-                                    }
+            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 {
+                        peer.options.alpn = ALPN::H2;
+                    }
+                    if innermap.is_ssl {
+                        peer.options.verify_cert = false;
+                        peer.options.verify_hostname = false;
+                    }
+
+                    // 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 ctx.extraparams.to_https.unwrap_or(false) || innermap.to_https {
+                        if let Some(stream) = session.stream() {
+                            if stream.get_ssl().is_none() {
+                                if let Some(host) = ctx.hostname.as_ref() {
+                                    let uri = session.req_header().uri.path_and_query().map_or("/", |pq| pq.as_str());
+                                    let port = self.config.proxy_port_tls.unwrap_or(443);
+                                    ctx.to_https = true;
+                                    let mut s = String::with_capacity(64);
+                                    write!(&mut s, "https://{}:{}{}", host, port, uri).unwrap_or_default();
+                                    ctx.redirect_to = Some(s);
                                 }
                             }
                         }
+                    }
 
-                        ctx.backend_id = format!("{}:{}:{}", innermap.address.clone(), innermap.port.clone(), innermap.is_ssl);
-                        Ok(peer)
-                    }
-                    None => {
-                        session.respond_error_with_body(502, Bytes::from("502 Bad Gateway\n")).await.expect("Failed to send error");
-                        Err(Box::new(Error {
-                            etype: HTTPStatus(502),
-                            esource: Upstream,
-                            retry: RetryType::Decided(false),
-                            cause: None,
-                            context: Option::from(ImmutStr::Static("Upstream not found")),
-                        }))
+                    if ctx.extraparams.sticky_sessions {
+                        let mut s = String::with_capacity(64);
+                        write!(&mut s, "{}:{}:{}", innermap.address, innermap.port, innermap.is_ssl).unwrap();
+                        ctx.backend_id = Some(s);
+                        ctx.sticky_sessions = true;
                     }
+                    Ok(peer)
                 }
-            }
+                None => {
+                    if let Err(e) = session.respond_error_with_body(502, Bytes::from("502 Bad Gateway\n")).await {
+                        error!("Failed to send error response: {:?}", e);
+                    }
+                    Err(Box::new(Error {
+                        etype: HTTPStatus(502),
+                        esource: Upstream,
+                        retry: RetryType::Decided(false),
+                        cause: None,
+                        context: Option::from(ImmutStr::Static("Upstream not found")),
+                    }))
+                }
+            },
             None => {
-                session.respond_error_with_body(502, Bytes::from("502 Bad Gateway\n")).await.expect("Failed to send error");
+                if let Err(e) = session.respond_error_with_body(502, Bytes::from("502 Bad Gateway\n")).await {
+                    error!("Failed to send error response: {:?}", e);
+                }
                 Err(Box::new(Error {
                     etype: HTTPStatus(502),
                     esource: Upstream,
@@ -174,73 +215,71 @@ impl ProxyHttp for LB {
         }
     }
 
-    async fn upstream_request_filter(&self, session: &mut Session, _upstream_request: &mut RequestHeader, _ctx: &mut Self::CTX) -> Result<()> {
-        match session.client_addr() {
-            Some(ip) => {
-                let inet = ip.as_inet();
-                match inet {
-                    Some(addr) => {
-                        _upstream_request
-                            .insert_header("X-Forwarded-For", addr.to_string().split(':').collect::<Vec<&str>>()[0])
-                            .unwrap();
-                    }
-                    None => warn!("Malformed Client IP: {:?}", inet),
-                }
-            }
-            None => {
-                warn!("Cannot detect client IP");
+    async fn upstream_request_filter(&self, session: &mut Session, upstream_request: &mut RequestHeader, ctx: &mut Self::CTX) -> Result<()> {
+        if let Some(hostname) = ctx.hostname.as_deref() {
+            upstream_request.insert_header("Host", hostname)?;
+        }
+
+        if let Some(client_ip) = session.client_addr() {
+            IP_BUFFER.with(|buffer| {
+                let mut buf = buffer.borrow_mut();
+                buf.clear();
+                write!(buf, "{}", client_ip).unwrap_or(());
+                upstream_request.append_header("x-forward-for", buf.as_str()).unwrap_or(false);
+            });
+        }
+        let hostname = ctx.hostname.as_deref().unwrap_or("localhost");
+        let path = session.req_header().uri.path();
+        let GetHostsReturHeaders { server_headers, client_headers } = match self.get_header(hostname, path) {
+            Some(h) => h,
+            None => return Ok(()),
+        };
+
+        if let Some(sh) = server_headers {
+            for (k, v) in sh {
+                upstream_request.insert_header(k.to_string(), v.as_ref())?;
             }
         }
+        if let Some(ch) = client_headers {
+            ctx.client_headers = Some(Arc::new(ch));
+        }
         Ok(())
     }
-
-    // async fn request_body_filter(&self, _session: &mut Session, _body: &mut Option<Bytes>, _end_of_stream: bool, _ctx: &mut Self::CTX) -> Result<()>
-    // where
-    //     Self::CTX: Send + Sync,
-    // {
-    //     Ok(())
-    // }
     async fn response_filter(&self, session: &mut Session, _upstream_response: &mut ResponseHeader, ctx: &mut Self::CTX) -> Result<()> {
-        // _upstream_response.insert_header("X-Proxied-From", "Fooooooooooooooo").unwrap();
-        if ctx.extraparams.sticky_sessions {
-            let backend_id = ctx.backend_id.clone();
-            if let Some(bid) = self.ump_byid.get(&backend_id) {
-                let _ = _upstream_response.insert_header("set-cookie", format!("backend_id={}; Path=/; Max-Age=600; HttpOnly; SameSite=Lax", bid.address));
+        if ctx.sticky_sessions {
+            if let Some(bid) = ctx.backend_id.clone() {
+                if REVERSE_STORE.get(&*bid).is_none() {
+                    let mut hasher = Sha256::new();
+                    hasher.update(bid.clone().into_bytes());
+                    let hash = hasher.finalize();
+                    let hex_hash = base16ct::lower::encode_string(&hash);
+                    let hh = hex_hash[0..50].to_string();
+                    REVERSE_STORE.insert(bid.clone(), hh.clone());
+                    REVERSE_STORE.insert(hh.clone(), bid.clone());
+                }
+                if let Some(tt) = REVERSE_STORE.get(&*bid) {
+                    let _ = _upstream_response.insert_header("set-cookie", format!("backend_id={}; Path=/; Max-Age=600; HttpOnly; SameSite=Lax", tt.value()));
+                }
             }
         }
+
         if ctx.to_https {
             let mut redirect_response = ResponseHeader::build(StatusCode::MOVED_PERMANENTLY, None)?;
-            redirect_response.insert_header("Location", ctx.redirect_to.clone())?;
+            redirect_response.insert_header("Location", ctx.redirect_to.clone().unwrap_or(String::from("/")))?;
             redirect_response.insert_header("Content-Length", "0")?;
             session.write_response_header(Box::new(redirect_response), false).await?;
         }
-        match ctx.hostname.as_ref() {
-            Some(host) => {
-                let path = session.req_header().uri.path();
-                let host_header = host;
-                let split_header = host_header.split_once(':');
-                match split_header {
-                    Some(sh) => {
-                        let yoyo = self.get_header(sh.0, path);
-                        for k in yoyo.iter() {
-                            for t in k.iter() {
-                                _upstream_response.insert_header(t.0.clone(), t.1.clone()).unwrap();
-                            }
-                        }
-                    }
-                    None => {
-                        let yoyo = self.get_header(host_header, path);
-                        for k in yoyo.iter() {
-                            for t in k.iter() {
-                                _upstream_response.insert_header(t.0.clone(), t.1.clone()).unwrap();
-                            }
-                        }
-                    }
-                }
+
+        // ALLOCATIONS !
+        if let Some(client_headers) = &ctx.client_headers {
+            for (k, v) in client_headers.iter() {
+                _upstream_response.append_header(k.to_string(), v.as_ref())?;
             }
-            None => {}
         }
-        session.set_keepalive(Some(300));
+        // END ALLOCATIONS !
+
+        // session.set_keepalive(Some(300));
+        // println!("session.get_keepalive: {:?}", session.get_keepalive());
         Ok(())
     }
 
@@ -248,28 +287,22 @@ impl ProxyHttp for LB {
         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.to_string(),
-            code: session.response_written().map(|resp| resp.status.as_str().to_owned()).unwrap_or("0".to_string()),
+            method: session.req_header().method.clone(),
+            code: session.response_written().map(|resp| resp.status),
             latency: ctx.start_time.elapsed(),
             version: session.req_header().version,
+            upstream: ctx.hostname.clone().unwrap_or(Arc::from("localhost")),
         };
         calc_metrics(m);
     }
 }
 
-fn return_header_host(session: &Session) -> Option<String> {
-    if session.is_http2() {
-        match session.req_header().uri.host() {
-            Some(host) => Option::from(host.to_string()),
-            None => None,
-        }
+fn return_header_host_from_upstream(session: &Session, ump_upst: &UpstreamsDashMap) -> Option<Arc<str>> {
+    let host_str = if session.is_http2() {
+        session.req_header().uri.host()?
     } else {
-        match session.req_header().headers.get("host") {
-            Some(host) => {
-                let header_host = host.to_str().unwrap().splitn(2, ':').collect::<Vec<&str>>();
-                Option::from(header_host[0].to_string())
-            }
-            None => None,
-        }
-    }
+        let h = session.req_header().headers.get("host")?.to_str().ok()?;
+        h.split_once(':').map_or(h, |(host, _)| host)
+    };
+    ump_upst.get(host_str).map(|entry| entry.key().clone())
 }

src/web/start.rs

@@ -5,6 +5,7 @@ use crate::utils::tls::CertificateConfig;
 use crate::utils::tools::*;
 use crate::web::proxyhttp::LB;
 use arc_swap::ArcSwap;
+use ctrlc;
 use dashmap::DashMap;
 use log::info;
 use pingora::tls::ssl::{SslAlert, SslRef};
@@ -14,7 +15,6 @@ use pingora_core::server::Server;
 use std::sync::mpsc::{channel, Receiver, Sender};
 use std::sync::Arc;
 use std::thread;
-
 pub fn run() {
     // default_provider().install_default().expect("Failed to install rustls crypto provider");
     let parameters = Some(Opt::parse_args()).unwrap();
@@ -27,12 +27,13 @@ pub fn run() {
     let uf_config = Arc::new(DashMap::new());
     let ff_config = Arc::new(DashMap::new());
     let im_config = Arc::new(DashMap::new());
-    let hh_config = Arc::new(DashMap::new());
+    let ch_config = Arc::new(DashMap::new());
+    let sh_config = Arc::new(DashMap::new());
 
     let ec_config = Arc::new(ArcSwap::from_pointee(Extraparams {
-        sticky_sessions: false,
         to_https: None,
-        authentication: DashMap::new(),
+        sticky_sessions: false,
+        authentication: None,
         rate_limit: None,
     }));
 
@@ -43,37 +44,24 @@ pub fn run() {
         ump_full: ff_config,
         ump_byid: im_config,
         config: cfg.clone(),
-        headers: hh_config,
+        client_headers: ch_config,
+        server_headers: sh_config,
         extraparams: ec_config,
     };
-    /*
-        let log_level = cfg.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();
-    */
+
     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();
+
+    check_priv(bind_address_http.as_str());
+
     match bind_address_tls {
         Some(bind_address_tls) => {
+            check_priv(bind_address_tls.as_str());
             let (tx, rx): (Sender<Vec<CertificateConfig>>, Receiver<Vec<CertificateConfig>>) = channel();
             let certs_path = cfg.proxy_certificates.clone().unwrap();
             thread::spawn(move || {
@@ -104,7 +92,6 @@ pub fn run() {
                     match new_certs {
                         Some(new_certs) => {
                             certs_for_watcher.store(Arc::new(new_certs));
-                            info!("Reload TLS certificates from {}", cfg.proxy_certificates.clone().unwrap())
                         }
                         None => {}
                     };
@@ -117,5 +104,15 @@ pub fn run() {
     proxy.add_tcp(bind_address_http.as_str());
     server.add_service(proxy);
     server.add_service(bg_srvc);
-    server.run_forever();
+
+    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 (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...");
 }

src/web/webserver.rs

@@ -1,12 +1,13 @@
 use crate::utils::discovery::APIUpstreamProvider;
-use crate::utils::structs::Configuration;
+use crate::utils::structs::{Config, Configuration, UpstreamsDashMap};
+use crate::utils::tools::{upstreams_liveness_json, upstreams_to_json};
 use axum::body::Body;
 use axum::extract::{Query, State};
 use axum::http::{Response, StatusCode};
 use axum::response::IntoResponse;
 use axum::routing::{get, post};
 use axum::{Json, Router};
-use axum_server::tls_openssl::OpenSSLConfig;
+// use axum_server::tls_openssl::OpenSSLConfig;
 use futures::channel::mpsc::Sender;
 use futures::SinkExt;
 use jsonwebtoken::{encode, EncodingKey, Header};
@@ -14,7 +15,8 @@ use log::{error, info, warn};
 use prometheus::{gather, Encoder, TextEncoder};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
-use std::net::SocketAddr;
+// use std::net::SocketAddr;
+use std::sync::Arc;
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
 use tokio::net::TcpListener;
 use tower_http::services::ServeDir;
@@ -36,16 +38,19 @@ struct AppState {
     master_key: String,
     config_sender: 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>) {
+pub async fn run_server(config: &APIUpstreamProvider, mut to_return: Sender<Configuration>, upstreams_curr: Arc<UpstreamsDashMap>, upstreams_full: Arc<UpstreamsDashMap>) {
     let app_state = AppState {
         master_key: config.masterkey.clone(),
         config_sender: to_return.clone(),
         config_api_enabled: config.config_api_enabled.clone(),
+        current_upstreams: upstreams_curr,
+        full_upstreams: upstreams_full,
     };
-
     let app = Router::new()
         // .route("/{*wildcard}", get(senderror))
         // .route("/{*wildcard}", post(senderror))
@@ -56,19 +61,20 @@ pub async fn run_server(config: &APIUpstreamProvider, mut to_return: Sender<Conf
         .route("/jwt", post(jwt_gen))
         .route("/conf", post(conf))
         .route("/metrics", get(metrics))
+        .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);
-    }
+    // 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);
+    // }
 
     if let (Some(address), Some(folder)) = (&config.file_server_address, &config.file_server_folder) {
         let static_files = ServeDir::new(folder);
@@ -82,27 +88,41 @@ pub async fn run_server(config: &APIUpstreamProvider, mut to_return: Sender<Conf
     axum::serve(listener, app).await.unwrap();
 }
 
-async fn conf(State(mut st): State<AppState>, Query(params): Query<HashMap<String, String>>, 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 remote API is disabled !\n"))
-            .unwrap();
+        return Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Config API is disabled !\n")).unwrap();
     }
-
     if let Some(s) = params.get("key") {
         if s.to_owned() == st.master_key {
-            if let Some(serverlist) = crate::utils::parceyaml::load_configuration(content.as_str(), "content").await {
-                st.config_sender.send(serverlist).await.unwrap();
-                return Response::builder().status(StatusCode::OK).body(Body::from("Config, conf file, updated !\n")).unwrap();
-            } else {
-                return Response::builder().status(StatusCode::BAD_GATEWAY).body(Body::from("Failed to parse config!\n")).unwrap();
-            };
+            let strcontent = content.as_str();
+            let parsed = serde_yaml::from_str::<Config>(strcontent);
+            match parsed {
+                Ok(_) => {
+                    if let Some(s) = params.get("key") {
+                        if s.to_owned() == st.master_key {
+                            let _ = tokio::spawn(async move { apply_config(content.as_str(), st).await });
+                            return Response::builder().status(StatusCode::OK).body(Body::from("Accepted! Applying in background\n")).unwrap();
+                        }
+                    }
+                    return Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Access Denied !\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();
+                }
+            }
         }
     }
     Response::builder().status(StatusCode::FORBIDDEN).body(Body::from("Access Denied !\n")).unwrap()
 }
 
+async fn apply_config(content: &str, mut st: AppState) {
+    let sl = crate::utils::parceyaml::load_configuration(content, "content").await;
+    if let Some(serverlist) = sl.0 {
+        let _ = st.config_sender.send(serverlist).await;
+    }
+}
+
 async fn jwt_gen(State(state): State<AppState>, Json(payload): Json<InputKey>) -> (StatusCode, Json<OutToken>) {
     if payload.master_key == state.master_key {
         let now = SystemTime::now() + Duration::from_secs(payload.valid * 60);
@@ -132,7 +152,6 @@ async fn jwt_gen(State(state): State<AppState>, Json(payload): Json<InputKey>) -
 async fn metrics() -> impl IntoResponse {
     let metric_families = gather();
     let encoder = TextEncoder::new();
-
     let mut buffer = Vec::new();
     if let Err(e) = encoder.encode(&metric_families, &mut buffer) {
         // encoding error fallback
@@ -141,7 +160,6 @@ async fn metrics() -> impl IntoResponse {
             .body(Body::from(format!("Failed to encode metrics: {}", e)))
             .unwrap();
     }
-
     Response::builder()
         .status(StatusCode::OK)
         .header("Content-Type", encoder.format_type())
@@ -149,7 +167,35 @@ async fn metrics() -> impl IntoResponse {
         .unwrap()
 }
 
-// #[allow(dead_code)]
-// async fn senderror() -> impl IntoResponse {
-//     Response::builder().status(StatusCode::BAD_GATEWAY).body(Body::from("No live upstream found!\n")).unwrap()
-// }
+async fn status(State(st): State<AppState>, Query(params): Query<HashMap<String, String>>) -> impl IntoResponse {
+    if let Some(_) = params.get("live") {
+        let r = upstreams_liveness_json(&st.full_upstreams, &st.current_upstreams);
+        return Response::builder()
+            .status(StatusCode::OK)
+            .header("Content-Type", "application/json")
+            .body(Body::from(format!("{}", r)))
+            .unwrap();
+    }
+    if let Some(_) = params.get("all") {
+        let resp = upstreams_to_json(&st.current_upstreams);
+        match resp {
+            Ok(j) => {
+                return Response::builder()
+                    .status(StatusCode::OK)
+                    .header("Content-Type", "application/json")
+                    .body(Body::from(j))
+                    .unwrap()
+            }
+            Err(e) => {
+                return Response::builder()
+                    .status(StatusCode::INTERNAL_SERVER_ERROR)
+                    .body(Body::from(format!("Failed to get status: {}", e)))
+                    .unwrap();
+            }
+        }
+    }
+    Response::builder()
+        .status(StatusCode::INTERNAL_SERVER_ERROR)
+        .body(Body::from(format!("Parameter mismatch")))
+        .unwrap()
+}