74 lines
2.0 KiB
Python
74 lines
2.0 KiB
Python
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"""Support for Tailscale sensors."""
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from __future__ import annotations
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from collections.abc import Callable
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from dataclasses import dataclass
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from datetime import datetime
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from tailscale import Device as TailscaleDevice
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorEntityDescription,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from . import TailscaleEntity
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from .const import DOMAIN
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@dataclass
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class TailscaleSensorEntityDescriptionMixin:
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"""Mixin for required keys."""
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value_fn: Callable[[TailscaleDevice], datetime | None]
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@dataclass
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class TailscaleSensorEntityDescription(
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SensorEntityDescription, TailscaleSensorEntityDescriptionMixin
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):
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"""Describes a Tailscale sensor entity."""
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SENSORS: tuple[TailscaleSensorEntityDescription, ...] = (
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TailscaleSensorEntityDescription(
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key="expires",
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name="Expires",
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device_class=SensorDeviceClass.TIMESTAMP,
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value_fn=lambda device: device.expires,
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),
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)
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up a Tailscale sensors based on a config entry."""
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coordinator = hass.data[DOMAIN][entry.entry_id]
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async_add_entities(
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TailscaleSensorEntity(
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coordinator=coordinator,
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device=device,
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description=description,
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)
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for device in coordinator.data.values()
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for description in SENSORS
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)
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class TailscaleSensorEntity(TailscaleEntity, SensorEntity):
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"""Defines a Tailscale sensor."""
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entity_description: TailscaleSensorEntityDescription
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@property
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def native_value(self) -> datetime | None:
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"""Return the state of the sensor."""
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return self.entity_description.value_fn(self.coordinator.data[self.device_id])
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