def main() -> None:
prepare_only = os.getenv("PREPAREONLY") is not None
manager_init()
# Start UI early so prepare can happen in the background
if not prepare_only:
managed_processes['ui'].start()
manager_prepare()
if prepare_only:
return
# SystemExit on sigterm
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit(1))
try:
manager_thread()
except Exception:
traceback.print_exc()
sentry.capture_exception()
finally:
manager_cleanup()
params = Params()
if params.get_bool("DoUninstall"):
cloudlog.warning("uninstalling")
HARDWARE.uninstall()
elif params.get_bool("DoReboot"):
cloudlog.warning("reboot")
HARDWARE.reboot()
elif params.get_bool("DoShutdown"):
cloudlog.warning("shutdown")
HARDWARE.shutdown()
def launcher(proc: str, name: str) -> None:
try:
# import the process
mod = importlib.import_module(proc)
# rename the process
setproctitle(proc)
# create new context since we forked
messaging.context = messaging.Context()
# add daemon name to cloudlog ctx
cloudlog.bind(daemon=name)
# exec the process
getattr(mod, 'main')()
except KeyboardInterrupt:
cloudlog.warning(f"child {proc} got SIGINT")
except Exception:
# can't install the crash handler because sys.excepthook doesn't play nice
# with threads, so catch it here.
sentry.capture_exception()
raise