core/homeassistant/components/webmin/sensor.py

273 lines
9.6 KiB
Python

"""Support for Webmin sensors."""
from __future__ import annotations
from dataclasses import dataclass
from homeassistant.components.sensor import (
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.const import PERCENTAGE, UnitOfInformation
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from . import WebminConfigEntry
from .coordinator import WebminUpdateCoordinator
@dataclass(frozen=True, kw_only=True)
class WebminFSSensorDescription(SensorEntityDescription):
"""Represents a filesystem sensor description."""
mountpoint: str
SENSOR_TYPES: list[SensorEntityDescription] = [
SensorEntityDescription(
key="load_1m",
translation_key="load_1m",
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="load_5m",
translation_key="load_5m",
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="load_15m",
translation_key="load_15m",
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="mem_total",
translation_key="mem_total",
native_unit_of_measurement=UnitOfInformation.KIBIBYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=2,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="mem_free",
translation_key="mem_free",
native_unit_of_measurement=UnitOfInformation.KIBIBYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=2,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="swap_total",
translation_key="swap_total",
native_unit_of_measurement=UnitOfInformation.KIBIBYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=2,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="swap_free",
translation_key="swap_free",
native_unit_of_measurement=UnitOfInformation.KIBIBYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=2,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="disk_total",
translation_key="disk_total",
native_unit_of_measurement=UnitOfInformation.BYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=1,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="disk_free",
translation_key="disk_free",
native_unit_of_measurement=UnitOfInformation.BYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=1,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
SensorEntityDescription(
key="disk_used",
translation_key="disk_used",
native_unit_of_measurement=UnitOfInformation.BYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=1,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
]
def generate_filesystem_sensor_description(
mountpoint: str,
) -> list[WebminFSSensorDescription]:
"""Return all sensor descriptions for a mount point."""
return [
WebminFSSensorDescription(
mountpoint=mountpoint,
key="total",
translation_key="disk_fs_total",
native_unit_of_measurement=UnitOfInformation.BYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=1,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
WebminFSSensorDescription(
mountpoint=mountpoint,
key="used",
translation_key="disk_fs_used",
native_unit_of_measurement=UnitOfInformation.BYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=1,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
WebminFSSensorDescription(
mountpoint=mountpoint,
key="free",
translation_key="disk_fs_free",
native_unit_of_measurement=UnitOfInformation.BYTES,
suggested_unit_of_measurement=UnitOfInformation.GIBIBYTES,
device_class=SensorDeviceClass.DATA_SIZE,
suggested_display_precision=1,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
WebminFSSensorDescription(
mountpoint=mountpoint,
key="itotal",
translation_key="disk_fs_itotal",
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
WebminFSSensorDescription(
mountpoint=mountpoint,
key="iused",
translation_key="disk_fs_iused",
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
WebminFSSensorDescription(
mountpoint=mountpoint,
key="ifree",
translation_key="disk_fs_ifree",
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
WebminFSSensorDescription(
mountpoint=mountpoint,
key="used_percent",
translation_key="disk_fs_used_percent",
native_unit_of_measurement=PERCENTAGE,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
WebminFSSensorDescription(
mountpoint=mountpoint,
key="iused_percent",
translation_key="disk_fs_iused_percent",
native_unit_of_measurement=PERCENTAGE,
state_class=SensorStateClass.MEASUREMENT,
entity_registry_enabled_default=False,
),
]
async def async_setup_entry(
hass: HomeAssistant,
entry: WebminConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Webmin sensors based on a config entry."""
coordinator = entry.runtime_data
entities: list[WebminSensor | WebminFSSensor] = [
WebminSensor(coordinator, description)
for description in SENSOR_TYPES
if description.key in coordinator.data
]
for fs, values in coordinator.data["disk_fs"].items():
entities += [
WebminFSSensor(coordinator, description)
for description in generate_filesystem_sensor_description(fs)
if description.key in values
]
async_add_entities(entities)
class WebminSensor(CoordinatorEntity[WebminUpdateCoordinator], SensorEntity):
"""Represents a Webmin sensor."""
entity_description: SensorEntityDescription
_attr_has_entity_name = True
def __init__(
self, coordinator: WebminUpdateCoordinator, description: SensorEntityDescription
) -> None:
"""Initialize a Webmin sensor."""
super().__init__(coordinator)
self.entity_description = description
self._attr_device_info = coordinator.device_info
self._attr_unique_id = f"{coordinator.unique_id}_{description.key}"
@property
def native_value(self) -> int | float:
"""Return the state of the sensor."""
return self.coordinator.data[self.entity_description.key]
class WebminFSSensor(CoordinatorEntity[WebminUpdateCoordinator], SensorEntity):
"""Represents a Webmin filesystem sensor."""
entity_description: WebminFSSensorDescription
_attr_has_entity_name = True
def __init__(
self,
coordinator: WebminUpdateCoordinator,
description: WebminFSSensorDescription,
) -> None:
"""Initialize a Webmin filesystem sensor."""
super().__init__(coordinator)
self.entity_description = description
self._attr_device_info = coordinator.device_info
self._attr_translation_placeholders = {"mountpoint": description.mountpoint}
self._attr_unique_id = (
f"{coordinator.mac_address}_{description.mountpoint}_{description.key}"
)
@property
def native_value(self) -> int | float:
"""Return the state of the sensor."""
return self.coordinator.data["disk_fs"][self.entity_description.mountpoint][
self.entity_description.key
]