mirror of
https://github.com/rightup/pyMC_Repeater.git
synced 2026-05-03 12:12:14 +02:00
111 lines
4.2 KiB
Python
111 lines
4.2 KiB
Python
"""
|
|
Service management utilities for pyMC Repeater.
|
|
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.
|
|
|
|
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(
|
|
["systemctl", "restart", "pymc-repeater"], capture_output=True, text=True, timeout=5
|
|
)
|
|
|
|
if result.returncode == 0:
|
|
logger.info("Service restart via polkit succeeded")
|
|
return True, "Service restart initiated"
|
|
|
|
stderr = result.stderr or ""
|
|
if "Access denied" in stderr or "authorization" in stderr.lower():
|
|
logger.info("Polkit denied restart, trying sudo fallback...")
|
|
else:
|
|
# Some other error, still try sudo
|
|
logger.warning(f"systemctl restart failed ({result.returncode}): {stderr.strip()}")
|
|
|
|
except subprocess.TimeoutExpired:
|
|
# Timeout likely means it's restarting - that's success
|
|
logger.warning("Service restart command timed out (service may be restarting)")
|
|
return True, "Service restart initiated (timeout - likely restarting)"
|
|
except FileNotFoundError:
|
|
logger.error("systemctl not found")
|
|
return False, "systemctl not available"
|
|
except Exception as e:
|
|
logger.warning(f"Polkit restart attempt failed: {e}")
|
|
|
|
# Fallback: use sudo (requires /etc/sudoers.d/pymc-repeater rule)
|
|
try:
|
|
result = subprocess.run(
|
|
['sudo', '--non-interactive', 'systemctl', 'restart', 'pymc-repeater'],
|
|
capture_output=True,
|
|
text=True,
|
|
timeout=5
|
|
)
|
|
|
|
if result.returncode == 0:
|
|
logger.info("Service restart via sudo succeeded")
|
|
return True, "Service restart initiated"
|
|
else:
|
|
error_msg = result.stderr or "Unknown error"
|
|
logger.error(f"Service restart via sudo failed: {error_msg}")
|
|
return False, f"Restart failed: {error_msg}"
|
|
|
|
except subprocess.TimeoutExpired:
|
|
logger.warning("Sudo restart timed out (service likely restarting)")
|
|
return True, "Service restart initiated (timeout - likely restarting)"
|
|
except FileNotFoundError:
|
|
logger.error("sudo not found - cannot restart service")
|
|
return False, "Neither polkit nor sudo available for service restart"
|
|
except Exception as e:
|
|
logger.error(f"Error executing sudo restart: {e}")
|
|
return False, f"Restart command failed: {str(e)}"
|