script fixes

scripts/rolling_update.sh

@@ -154,7 +154,7 @@ for ((w = 0; w < FASTAPI_WORKERS; w++)); do
   if [[ -f "$pidfile" ]]; then
     pid=$(<"$pidfile")
     if kill -0 "$pid" 2>/dev/null; then
-      ((old_running++))
+      old_running=$((old_running + 1))
     fi
   fi
 done
@@ -168,7 +168,7 @@ log_info "Found $old_running running old worker(s)"
 # Verify new ports are free
 for ((w = 0; w < FASTAPI_WORKERS; w++)); do
   port=$((NEW_BASE + w))
-  if lsof -Pi :"$port" -sTCP:LISTEN -t >/dev/null 2>&1; then
+  if ss -tln "sport = :$port" | grep -q LISTEN; then
     log_error "Port $port is already in use. Cannot start new band."
     exit 1
   fi
@@ -312,14 +312,14 @@ done
 
 # Generate upstream config
 sed -e "s|{{UVICORN_UPSTREAM_SERVERS}}|${UPSTREAM_SERVERS}|" \
-    "$NGINX_UPSTREAM_TEMPLATE" > "$NGINX_UPSTREAM_CONF"
+    "$NGINX_UPSTREAM_TEMPLATE" | sudo tee "$NGINX_UPSTREAM_CONF" > /dev/null
 
 log_info "Generated nginx upstream config with $FASTAPI_WORKERS workers (ports ${NEW_BASE}–$((NEW_BASE + FASTAPI_WORKERS - 1)))"
 
 # Validate config
-if ! nginx -t 2>/dev/null; then
+if ! sudo nginx -t 2>/dev/null; then
   log_error "nginx config validation failed!"
-  nginx -t 2>&1 || true
+  sudo nginx -t 2>&1 || true
   # Restore old upstream config
   OLD_UPSTREAM=""
   for ((w = 0; w < FASTAPI_WORKERS; w++)); do
@@ -327,14 +327,14 @@ if ! nginx -t 2>/dev/null; then
     OLD_UPSTREAM="${OLD_UPSTREAM}    server 127.0.0.1:${port};\n"
   done
   sed -e "s|{{UVICORN_UPSTREAM_SERVERS}}|${OLD_UPSTREAM}|" \
-      "$NGINX_UPSTREAM_TEMPLATE" > "$NGINX_UPSTREAM_CONF"
+      "$NGINX_UPSTREAM_TEMPLATE" | sudo tee "$NGINX_UPSTREAM_CONF" > /dev/null
 
   rollback_new_workers "$NEW_BAND"
   exit 1
 fi
 
 # Reload nginx (graceful — finishes in-flight requests to old upstream)
-systemctl reload nginx
+sudo systemctl reload nginx
 log_info "nginx reloaded — traffic now routed to band $NEW_BAND"
 
 ###############################################################################

scripts/start_services.sh

@@ -47,7 +47,7 @@ if [[ -d "$RUN_DIR" ]]; then
     [[ -e "$pidfile" ]] || continue
     pid=$(<"$pidfile")
     if kill -0 "$pid" 2>/dev/null; then
-      ((live_count++))
+      live_count=$((live_count + 1))
     fi
   done
 
@@ -171,17 +171,17 @@ if [[ -f "$NGINX_UPSTREAM_TEMPLATE" ]]; then
 
   # Generate upstream config from template
   sed -e "s|{{UVICORN_UPSTREAM_SERVERS}}|${UPSTREAM_SERVERS}|" \
-      "$NGINX_UPSTREAM_TEMPLATE" > "$NGINX_UPSTREAM_CONF"
+      "$NGINX_UPSTREAM_TEMPLATE" | sudo tee "$NGINX_UPSTREAM_CONF" > /dev/null
 
   echo "Generated nginx upstream config with $FASTAPI_WORKERS workers (ports ${UVICORN_BASE_PORT}-$((UVICORN_BASE_PORT + FASTAPI_WORKERS - 1)))"
 
   # Test and reload nginx
-  if nginx -t 2>/dev/null; then
-    systemctl reload nginx
+  if sudo nginx -t 2>/dev/null; then
+    sudo systemctl reload nginx
     echo "Nginx reloaded successfully"
   else
     echo "ERROR: nginx config test failed, not reloading"
-    nginx -t
+    sudo nginx -t
     exit 1
   fi
 fi

scripts/stop_services.sh

@@ -42,17 +42,17 @@ kill_process_tree() {
 
   descendants=$(get_descendants "$pid")
 
-  # Kill children first (bottom-up), then parent
+  # Kill the parent first so supervisors don't respawn children
+  if kill -0 "$pid" 2>/dev/null; then
+    kill "$signal" "$pid" 2>/dev/null || true
+  fi
+
+  # Then kill any remaining descendants
   for desc_pid in $descendants; do
     if kill -0 "$desc_pid" 2>/dev/null; then
       kill "$signal" "$desc_pid" 2>/dev/null || true
     fi
   done
-
-  # Kill the parent
-  if kill -0 "$pid" 2>/dev/null; then
-    kill "$signal" "$pid" 2>/dev/null || true
-  fi
 }
 
 ###############################################################################
@@ -113,14 +113,14 @@ for pidfile in "${pid_files[@]}"; do
         # Final check
         if kill -0 "$oldpid" 2>/dev/null; then
           echo "  Error: Failed to stop $name (PID $oldpid)"
-          ((failed_count++))
+          failed_count=$((failed_count + 1))
         else
           echo "  Stopped $name (forced)"
-          ((stopped_count++))
+          stopped_count=$((stopped_count + 1))
         fi
       else
         echo "  Stopped $name"
-        ((stopped_count++))
+        stopped_count=$((stopped_count + 1))
       fi
     else
       echo "Service $name (PID $oldpid) is not running"