Fix incorrect args in rust-sdk

Author: kvinwang

.github/workflows/rust.yml

@@ -27,4 +27,4 @@ jobs:
       run: cargo fmt --check --all
 
     - name: Run tests
-      run: cargo test
+      run: ./run-tests.sh

run-tests.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e
+
+(cd sdk/simulator && ./build.sh)
+
+pushd sdk/simulator
+./dstack-simulator &
+SIMULATOR_PID=$!
+echo "Simulator process (PID: $SIMULATOR_PID) started."
+popd
+
+export DSTACK_SIMULATOR_ENDPOINT=$(realpath sdk/simulator/dstack.sock)
+
+echo "DSTACK_SIMULATOR_ENDPOINT: $DSTACK_SIMULATOR_ENDPOINT"
+
+# Run the tests
+cargo test
+
+# Kill the simulator after tests finish
+kill $SIMULATOR_PID
+echo "Simulator process (PID: $SIMULATOR_PID) terminated."

sdk/rust/src/dstack_client.rs

@@ -53,9 +53,10 @@ pub struct EventLog {
 
 #[derive(bon::Builder, Serialize)]
 pub struct TlsKeyConfig {
-    #[builder(into)]
-    pub subject: Option<String>,
-    pub alt_names: Option<Vec<String>>,
+    #[builder(into, default = String::new())]
+    pub subject: String,
+    #[builder(default = Vec::new())]
+    pub alt_names: Vec<String>,
     #[builder(default = false)]
     pub usage_ra_tls: bool,
     #[builder(default = true)]