supervisor/hassio/dock/supervisor.py
Pascal Vizeli f9c7371140 Extend addons options to allow lists (#5)
Extend addons options to allow lists
2017-04-19 17:07:24 +02:00

84 lines
2.5 KiB
Python

"""Init file for HassIO docker object."""
import logging
import os
import docker
from . import DockerBase
from ..const import RESTART_EXIT_CODE
_LOGGER = logging.getLogger(__name__)
class DockerSupervisor(DockerBase):
"""Docker hassio wrapper for HomeAssistant."""
def __init__(self, config, loop, dock, hassio, image=None):
"""Initialize docker base wrapper."""
super().__init__(config, loop, dock, image=image)
self.hassio = hassio
@property
def docker_name(self):
"""Return name of docker container."""
return os.environ['SUPERVISOR_NAME']
async def update(self, tag):
"""Update a supervisor docker image."""
if self._lock.locked():
_LOGGER.error("Can't excute update while a task is in progress")
return False
_LOGGER.info("Update supervisor docker to %s:%s", self.image, tag)
old_version = self.version
async with self._lock:
if await self.loop.run_in_executor(None, self._install, tag):
self.config.hassio_cleanup = old_version
self.loop.create_task(self.hassio.stop(RESTART_EXIT_CODE))
return True
return False
async def cleanup(self):
"""Check if old supervisor version exists and cleanup."""
if not self.config.hassio_cleanup:
return
async with self._lock:
if await self.loop.run_in_executor(None, self._cleanup):
self.config.hassio_cleanup = None
def _cleanup(self):
"""Remove old image.
Need run inside executor.
"""
old_image = "{}:{}".format(self.image, self.config.hassio_cleanup)
_LOGGER.info("Old supervisor docker found %s", old_image)
try:
self.dock.images.remove(image=old_image, force=True)
except docker.errors.DockerException as err:
_LOGGER.warning("Can't remove old image %s -> %s", old_image, err)
return False
return True
async def run(self):
"""Run docker image."""
raise RuntimeError("Not support on supervisor docker container!")
async def install(self, tag):
"""Pull docker image."""
raise RuntimeError("Not support on supervisor docker container!")
async def stop(self):
"""Stop/remove docker container."""
raise RuntimeError("Not support on supervisor docker container!")
async def remove(self):
"""Remove docker image."""
raise RuntimeError("Not support on supervisor docker container!")