From fdc821cb93f3f06b4fd53cc34474310873ab005d Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Mon, 9 Mar 2026 17:35:47 +0100
Subject: [PATCH] allow bare-service proxy hosts

---
 src/cloud.rs |  8 +++++-
 src/proxy.rs | 74 ++++++++++++++++++++++++++++++++++++----------------
 2 files changed, 58 insertions(+), 24 deletions(-)

diff --git a/src/cloud.rs b/src/cloud.rs
index 7232e33..a1c39c9 100644
--- a/src/cloud.rs
+++ b/src/cloud.rs
@@ -218,7 +218,7 @@ fn test_option_parse() {
     );
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Cloud {
     pub id: String,
     pub network: String,
@@ -851,3 +851,9 @@ impl Cloud {
         None
     }
 }
+
+impl PartialEq for Cloud {
+    fn eq(&self, other: &Self) -> bool {
+        self.id == other.id
+    }
+}
diff --git a/src/proxy.rs b/src/proxy.rs
index ee867c9..c99c216 100644
--- a/src/proxy.rs
+++ b/src/proxy.rs
@@ -1,4 +1,4 @@
-use crate::service::ServiceTrait;
+use crate::service::{ServiceTrait, ServiceType};
 use crate::Result;
 use crate::{Cloud, HazeConfig};
 use axum::http::header::HOST;
@@ -18,6 +18,7 @@ use std::fs::{create_dir_all, set_permissions};
 use std::net::{IpAddr, Ipv4Addr, SocketAddr};
 use std::os::unix::fs::PermissionsExt;
 use std::path::PathBuf;
+use std::str::FromStr;
 use std::sync::{Arc, Mutex};
 use std::time::Duration;
 use tokio::net::UnixListener;
@@ -28,7 +29,7 @@ use tracing::{debug, error, info};
 
 struct ActiveInstances {
     known: Mutex<HashMap<String, SocketAddr>>,
-    last: Mutex<Option<SocketAddr>>,
+    last: Mutex<Option<Cloud>>,
     docker: Docker,
     config: HazeConfig,
 }
@@ -48,15 +49,9 @@ impl ActiveInstances {
             return Some(ip);
         }
 
-        // service proxy
-        let addr = if name.matches('-').count() == 2 {
-            let (name, service_name) = name.rsplit_once('-').unwrap();
-            let cloud = Cloud::get_by_filter(&self.docker, Some(name.into()), &self.config)
-                .await
-                .ok()?;
-            let service = cloud
-                .services()
-                .find(|service| service.name() == service_name)?;
+        let addr = if ServiceType::from_str(name).is_ok() {
+            let cloud = self.last()?;
+            let service = cloud.services().find(|service| service.name() == name)?;
             let ip = service
                 .get_ips(&self.docker, &cloud.id)
                 .await
@@ -64,13 +59,33 @@ impl ActiveInstances {
                 .next()?;
             SocketAddr::new(ip, service.proxy_port())
         } else {
-            SocketAddr::new(
-                Cloud::get_by_filter(&self.docker, Some(name.into()), &self.config)
-                    .await
-                    .ok()?
-                    .ip?,
-                80,
-            )
+            match name.matches('-').count() {
+                // instance
+                1 => SocketAddr::new(
+                    Cloud::get_by_filter(&self.docker, Some(name.into()), &self.config)
+                        .await
+                        .ok()?
+                        .ip?,
+                    80,
+                ),
+                // service with instance
+                2 => {
+                    let (name, service_name) = name.rsplit_once('-').unwrap();
+                    let cloud = Cloud::get_by_filter(&self.docker, Some(name.into()), &self.config)
+                        .await
+                        .ok()?;
+                    let service = cloud
+                        .services()
+                        .find(|service| service.name() == service_name)?;
+                    let ip = service
+                        .get_ips(&self.docker, &cloud.id)
+                        .await
+                        .ok()?
+                        .next()?;
+                    SocketAddr::new(ip, service.proxy_port())
+                }
+                _ => return None,
+            }
         };
 
         println!("{name} => {addr}");
@@ -79,18 +94,31 @@ impl ActiveInstances {
         Some(addr)
     }
 
-    pub fn last(&self) -> Option<SocketAddr> {
-        *self.last.lock().unwrap()
+    pub fn last_addr(&self) -> Option<SocketAddr> {
+        self.last
+            .lock()
+            .unwrap()
+            .as_ref()
+            .and_then(|cloud| Some(SocketAddr::new(cloud.ip?, 80)))
+    }
+
+    pub fn last(&self) -> Option<Cloud> {
+        self.last.lock().unwrap().clone()
     }
 
     async fn update_last(&self) {
         let last = Cloud::get_by_filter(&self.docker, None, &self.config)
             .await
-            .ok()
-            .and_then(|cloud| Some(SocketAddr::new(cloud.ip?, 80)));
+            .ok();
         let mut old = self.last.lock().unwrap();
         if old.as_ref() != last.as_ref() {
             info!(instance = ?last, "Found new instance");
+
+            // remove cached base-service mappings
+            self.known
+                .lock()
+                .unwrap()
+                .retain(|key, _| ServiceType::from_str(key).is_err());
             *old = last;
         }
     }
@@ -181,7 +209,7 @@ async fn get_remote(
     };
     let ip = if host == base_address {
         instances
-            .last()
+            .last_addr()
             .ok_or_else(|| String::from("No running instance known"))
     } else {
         let requested_instance = host.split('.').next().unwrap();