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mirror of https://github.com/home-assistant/core synced 2024-09-03 08:14:07 +02:00
ha-core/homeassistant/components/tailscale/coordinator.py
2022-01-23 09:01:44 +01:00

40 lines
1.4 KiB
Python

"""DataUpdateCoordinator for the Tailscale integration."""
from __future__ import annotations
from tailscale import Device, Tailscale, TailscaleAuthenticationError
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_API_KEY
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryAuthFailed
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
from .const import CONF_TAILNET, DOMAIN, LOGGER, SCAN_INTERVAL
class TailscaleDataUpdateCoordinator(DataUpdateCoordinator[dict[str, Device]]):
"""The Tailscale Data Update Coordinator."""
config_entry: ConfigEntry
def __init__(self, hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Initialize the Tailscale coordinator."""
self.config_entry = entry
session = async_get_clientsession(hass)
self.tailscale = Tailscale(
session=session,
api_key=entry.data[CONF_API_KEY],
tailnet=entry.data[CONF_TAILNET],
)
super().__init__(hass, LOGGER, name=DOMAIN, update_interval=SCAN_INTERVAL)
async def _async_update_data(self) -> dict[str, Device]:
"""Fetch devices from Tailscale."""
try:
return await self.tailscale.devices()
except TailscaleAuthenticationError as err:
raise ConfigEntryAuthFailed from err