core/homeassistant/components/synology_dsm/sensor.py

149 lines
4.3 KiB
Python

"""Support for Synology DSM sensors."""
from datetime import timedelta
from typing import Dict
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
CONF_DISKS,
DATA_MEGABYTES,
DATA_RATE_KILOBYTES_PER_SECOND,
DATA_TERABYTES,
PRECISION_TENTHS,
TEMP_CELSIUS,
)
from homeassistant.helpers.temperature import display_temp
from homeassistant.helpers.typing import HomeAssistantType
from homeassistant.util.dt import utcnow
from . import SynoApi, SynologyDSMDeviceEntity, SynologyDSMEntity
from .const import (
CONF_VOLUMES,
DOMAIN,
INFORMATION_SENSORS,
STORAGE_DISK_SENSORS,
STORAGE_VOL_SENSORS,
SYNO_API,
TEMP_SENSORS_KEYS,
UTILISATION_SENSORS,
)
async def async_setup_entry(
hass: HomeAssistantType, entry: ConfigEntry, async_add_entities
) -> None:
"""Set up the Synology NAS Sensor."""
api = hass.data[DOMAIN][entry.unique_id][SYNO_API]
entities = [
SynoDSMUtilSensor(api, sensor_type, UTILISATION_SENSORS[sensor_type])
for sensor_type in UTILISATION_SENSORS
]
# Handle all volumes
if api.storage.volumes_ids:
for volume in entry.data.get(CONF_VOLUMES, api.storage.volumes_ids):
entities += [
SynoDSMStorageSensor(
api, sensor_type, STORAGE_VOL_SENSORS[sensor_type], volume
)
for sensor_type in STORAGE_VOL_SENSORS
]
# Handle all disks
if api.storage.disks_ids:
for disk in entry.data.get(CONF_DISKS, api.storage.disks_ids):
entities += [
SynoDSMStorageSensor(
api, sensor_type, STORAGE_DISK_SENSORS[sensor_type], disk
)
for sensor_type in STORAGE_DISK_SENSORS
]
entities += [
SynoDSMInfoSensor(api, sensor_type, INFORMATION_SENSORS[sensor_type])
for sensor_type in INFORMATION_SENSORS
]
async_add_entities(entities)
class SynoDSMUtilSensor(SynologyDSMEntity):
"""Representation a Synology Utilisation sensor."""
@property
def state(self):
"""Return the state."""
attr = getattr(self._api.utilisation, self.entity_type)
if callable(attr):
attr = attr()
if attr is None:
return None
# Data (RAM)
if self._unit == DATA_MEGABYTES:
return round(attr / 1024.0 ** 2, 1)
# Network
if self._unit == DATA_RATE_KILOBYTES_PER_SECOND:
return round(attr / 1024.0, 1)
return attr
@property
def available(self) -> bool:
"""Return True if entity is available."""
return bool(self._api.utilisation)
class SynoDSMStorageSensor(SynologyDSMDeviceEntity):
"""Representation a Synology Storage sensor."""
@property
def state(self):
"""Return the state."""
attr = getattr(self._api.storage, self.entity_type)(self._device_id)
if attr is None:
return None
# Data (disk space)
if self._unit == DATA_TERABYTES:
return round(attr / 1024.0 ** 4, 2)
# Temperature
if self.entity_type in TEMP_SENSORS_KEYS:
return display_temp(self.hass, attr, TEMP_CELSIUS, PRECISION_TENTHS)
return attr
class SynoDSMInfoSensor(SynologyDSMEntity):
"""Representation a Synology information sensor."""
def __init__(self, api: SynoApi, entity_type: str, entity_info: Dict[str, str]):
"""Initialize the Synology SynoDSMInfoSensor entity."""
super().__init__(api, entity_type, entity_info)
self._previous_uptime = None
self._last_boot = None
@property
def state(self):
"""Return the state."""
attr = getattr(self._api.information, self.entity_type)
if attr is None:
return None
# Temperature
if self.entity_type in TEMP_SENSORS_KEYS:
return display_temp(self.hass, attr, TEMP_CELSIUS, PRECISION_TENTHS)
if self.entity_type == "uptime":
# reboot happened or entity creation
if self._previous_uptime is None or self._previous_uptime > attr:
last_boot = utcnow() - timedelta(seconds=attr)
self._last_boot = last_boot.replace(microsecond=0).isoformat()
self._previous_uptime = attr
return self._last_boot
return attr