From bb23939b36d0a7d8bd8dd983ada0060a8b42779f Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Thu, 2 Apr 2026 18:36:41 -0700
Subject: [PATCH] fix(volume-rust): resolve gRPC bind address from hostname

SocketAddr::parse() only accepts numeric IPs, so binding the gRPC
server to "localhost:18833" panicked. Use tokio::net::lookup_host()
to resolve hostnames before passing to tonic's serve_with_shutdown.
---
 seaweed-volume/src/main.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/seaweed-volume/src/main.rs b/seaweed-volume/src/main.rs
index 427e3b7e5..0b4d24360 100644
--- a/seaweed-volume/src/main.rs
+++ b/seaweed-volume/src/main.rs
@@ -606,7 +606,11 @@ async fn run(
         let grpc_tls_acceptor = grpc_tls_acceptor.clone();
         let mut shutdown_rx = shutdown_tx.subscribe();
         tokio::spawn(async move {
-            let addr = grpc_addr.parse().expect("Invalid gRPC address");
+            let addr = tokio::net::lookup_host(&grpc_addr)
+                .await
+                .expect("Failed to resolve gRPC address")
+                .next()
+                .expect("No addresses found for gRPC bind address");
             let grpc_service = VolumeGrpcService {
                 state: grpc_state.clone(),
             };