feat(hostd): varlink interfaced host controller to manage machine configuration and boot mgmt

hostd/src/main.rs

@@ -1,12 +1,10 @@
-use std::process::exit;
+use anyhow::Result;
 
-use crate::io_patagia_hostd::{
-    Call_Apply, Call_Describe, Label, Machine, PatagiaAgentConfig, VarlinkInterface,
-};
+use crate::io_patagia_hostd::{Call_Apply, Call_Describe, Label, Machine, VarlinkInterface};
 
 mod io_patagia_hostd;
 
-const LISTEN_ADDRESS: &str = "unix:/tmp/io.patagia.hostd";
+const LISTEN_ADDRESS: &str = "unix:/tmp/patagia/io.patagia.hostd";
 
 struct PatagiaHostd;
 
@@ -37,7 +35,7 @@ impl VarlinkInterface for PatagiaHostd {
     }
 }
 
-fn main() {
+fn main() -> Result<()> {
     let hostd = PatagiaHostd;
     let hostd_iface = io_patagia_hostd::new(Box::new(hostd));
 
@@ -49,8 +47,15 @@ fn main() {
         vec![Box::new(hostd_iface)],
     );
 
+    let addr_path = std::path::Path::new(LISTEN_ADDRESS.strip_prefix("unix:").unwrap())
+        .parent()
+        .unwrap();
+
+    std::fs::create_dir_all(addr_path)?;
+
     println!("Varlink Listening on {}", LISTEN_ADDRESS);
-    let ret: Result<(), varlink::Error> = varlink::listen(
+
+    varlink::listen(
         svc,
         LISTEN_ADDRESS,
         &varlink::ListenConfig {
@@ -58,14 +63,7 @@ fn main() {
             idle_timeout: 0,
             ..Default::default()
         },
-    );
+    )?;
 
-    // Exit with error code
-    exit(match ret {
-        Ok(_) => 0,
-        Err(e) => {
-            println!("Error: {}", e);
-            1
-        }
-    });
+    Ok(())
 }