Handle Buildroot service restarts

repeater/service_utils.py

@@ -4,22 +4,57 @@ Provides functions for service control operations like restart.
 """
 
 import logging
+import os
 import subprocess
 from typing import Tuple
 
 logger = logging.getLogger("ServiceUtils")
+INIT_SCRIPT = "/etc/init.d/S80pymc-repeater"
+
+
+def is_buildroot() -> bool:
+    if os.path.exists("/etc/pymc-image-build-id"):
+        return True
+    if os.path.exists("/etc/os-release"):
+        try:
+            with open("/etc/os-release", "r", encoding="utf-8") as handle:
+                return any(line.strip() == "ID=buildroot" for line in handle)
+        except OSError:
+            return False
+    return False
 
 
 def restart_service() -> Tuple[bool, str]:
     """
-    Restart the pymc-repeater service via systemctl.
+    Restart the pymc-repeater service.
     
-    Tries polkit-based restart first (plain systemctl), then falls back
-    to sudo-based restart (requires sudoers.d rule installed by manage.sh).
+    On Buildroot/Luckfox, use the shipped init script directly.
+    On systemd hosts, try polkit-based restart first (plain systemctl), then
+    fall back to sudo-based restart (requires sudoers.d rule installed by
+    manage.sh).
     
     Returns:
         Tuple[bool, str]: (success, message)
     """
+    if is_buildroot():
+        if not os.path.exists(INIT_SCRIPT):
+            logger.error("Buildroot init script not found: %s", INIT_SCRIPT)
+            return False, f"init script not found: {INIT_SCRIPT}"
+
+        try:
+            subprocess.Popen(
+                ["/bin/sh", "-c", f"sleep 1; exec {INIT_SCRIPT} restart >/dev/null 2>&1"],
+                stdout=subprocess.DEVNULL,
+                stderr=subprocess.DEVNULL,
+                stdin=subprocess.DEVNULL,
+                start_new_session=True,
+            )
+            logger.info("Service restart scheduled via Buildroot init script")
+            return True, "Service restart initiated"
+        except Exception as exc:
+            logger.error(f"Buildroot restart failed: {exc}")
+            return False, f"Restart failed: {exc}"
+
     # Try polkit-based restart first (works on bare metal / VMs with polkit running)
     try:
         result = subprocess.run(

repeater/web/update_endpoints.py

@@ -685,6 +685,10 @@ def _migrate_service_unit() -> None:
     """Strip legacy PYTHONPATH, fix WorkingDirectory, and ensure ExecStart
     uses the venv python in the systemd service unit.
     """
+    if os.path.exists("/etc/pymc-image-build-id"):
+        logger.info("[Update] Buildroot image detected, skipping systemd unit migration.")
+        return
+
     import subprocess as _sp
     _SVC_UNIT = "/etc/systemd/system/pymc-repeater.service"
     _VENV_PYTHON = "/opt/pymc_repeater/venv/bin/python"