supervisor/hassio/host/control.py
Pascal Vizeli 3efbe11d49 Cleanup
2018-04-26 19:23:52 +02:00

52 lines
1.5 KiB
Python

"""Power control for host."""
import logging
from ..coresys import CoreSysAttributes
from ..exceptions import HostNotSupportedError
_LOGGER = logging.getLogger(__name__)
class SystemControl(CoreSysAttributes):
"""Handle host power controls."""
def __init__(self, coresys):
"""Initialize host power handling."""
self.coresys = coresys
def _check_systemd(self):
"""Check if systemd is connect or raise error."""
if not self.sys_dbus.systemd.is_connected:
_LOGGER.error("No systemd dbus connection available")
raise HostNotSupportedError()
async def reboot(self):
"""Reboot host system."""
self._check_systemd()
_LOGGER.info("Initialize host reboot over systemd")
try:
await self.sys_core.shutdown()
finally:
await self.sys_dbus.systemd.reboot()
async def shutdown(self):
"""Shutdown host system."""
self._check_systemd()
_LOGGER.info("Initialize host power off over systemd")
try:
await self.sys_core.shutdown()
finally:
await self.sys_dbus.systemd.power_off()
async def set_hostname(self, hostname):
"""Set local a new Hostname."""
if not self.sys_dbus.systemd.is_connected:
_LOGGER.error("No hostname dbus connection available")
raise HostNotSupportedError()
_LOGGER.info("Set Hostname %s", hostname)
await self.sys_dbus.hostname.set_hostname(hostname)
await self.sys_host.info.update()