feat: add structured logging to pf-proxy

Cargo.toml

@@ -10,9 +10,17 @@ exclude = [
     "reference_apps",
 ]
 
-# edition = "2021"
 resolver = "2"
-overflow-checks = true
+
+[workspace.package]
+edition = "2021"
+authors = ["Sentient Enclaves Team <sentient-enclaves-team@sentient.xyz>"]
+license = "Apache-2.0"
+homepage = "https://github.com/sentient-agi/Sentient-Enclaves-Framework"
+repository = "https://github.com/sentient-agi/Sentient-Enclaves-Framework"
+
+[workspace.metadata]
+rust-version = "1.80"
 
 [profile.release]
 strip = true

README.md

@@ -21,7 +21,7 @@
 </p>
 
 <p align="center">
-  <img src="docs/png/banner.png"/>
+  <img src="docs/png/banner.png" alt="Sentient Enclaves Framework - Confidential Computing Infrastructure Banner"/>
 </p>
 
 Welcome to the Sentient Enclaves Framework. The framework provides end-to-end infrastructure for building confidential AI applications using TEEs.

fs-monitor/Cargo.toml

@@ -1,7 +1,15 @@
 [package]
 name = "fs-monitor"
 version = "0.8.2"
+authors = ["Sentient Enclaves Team <sentient-enclaves-team@sentient.xyz>"]
 edition = "2021"
+description = "Real-time inotify events monitoring server for file system changes in AWS Nitro Enclaves"
+homepage = "https://github.com/sentient-agi/Sentient-Enclaves-Framework"
+repository = "https://github.com/sentient-agi/Sentient-Enclaves-Framework"
+license = "Apache-2.0"
+keywords = ["filesystem", "monitoring", "tee", "enclave", "inotify"]
+categories = ["filesystem", "os::unix-apis", "cryptography"]
+publish = false
 
 [dependencies]
 inotify = "0.11.0"

pf-proxy/Cargo.toml

@@ -1,7 +1,15 @@
 [package]
 name = "pf-proxy"
 version = "0.8.2"
+authors = ["Sentient Enclaves Team <sentient-enclaves-team@sentient.xyz>"]
 edition = "2021"
+description = "Transparent vsock proxies for internet-enabled applications in AWS Nitro Enclaves"
+homepage = "https://github.com/sentient-agi/Sentient-Enclaves-Framework"
+repository = "https://github.com/sentient-agi/Sentient-Enclaves-Framework"
+license = "Apache-2.0"
+keywords = ["proxy", "vsock", "tee", "enclave", "aws-nitro"]
+categories = ["network-programming", "cryptography"]
+publish = false
 
 [[bin]]
 name = "vsock-to-ip"
@@ -30,6 +38,8 @@ futures = "0.3"
 thiserror = "1.0.57"
 tokio = { version = "1.44", features = ["full"] }
 tokio-vsock = "0.5.0"
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 
 [target.'cfg(target_os = "linux")'.dependencies]
 libc = "0.2"

pf-proxy/src/addr_info.rs

@@ -5,6 +5,7 @@ use std::fmt::Debug;
 use std::io;
 use std::net::SocketAddr;
 use tokio::net::TcpStream;
+use tracing::warn;
 
 pub trait AddrInfo: Debug {
     fn local_addr(&self) -> Result<SocketAddr, io::Error>;
@@ -37,7 +38,7 @@ impl AddrInfo for TcpStream {
 
     #[cfg(not(target_os = "linux"))]
     fn get_original_dst(&self) -> Option<SocketAddr> {
-        println!("Non Linux system, no support for SO_ORIGINAL_DST");
+        warn!("Non-Linux system detected, SO_ORIGINAL_DST not supported");
         None
     }
 }
@@ -61,7 +62,7 @@ mod linux {
         );
         if ret != 0 {
             let e = io::Error::last_os_error();
-            println!("failed to read SO_ORIGINAL_DST: {:?}", e);
+            warn!(error = ?e, "Failed to read SO_ORIGINAL_DST");
             return Err(e);
         }