mirror of https://github.com/home-assistant/core
58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
"""Coordinator for Glances integration."""
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from datetime import datetime, timedelta
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import logging
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from typing import Any
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from glances_api import Glances, exceptions
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_HOST
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import ConfigEntryAuthFailed
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from homeassistant.util.dt import parse_duration, utcnow
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from .const import DEFAULT_SCAN_INTERVAL, DOMAIN
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_LOGGER = logging.getLogger(__name__)
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class GlancesDataUpdateCoordinator(DataUpdateCoordinator[dict[str, Any]]):
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"""Get the latest data from Glances api."""
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config_entry: ConfigEntry
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def __init__(self, hass: HomeAssistant, entry: ConfigEntry, api: Glances) -> None:
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"""Initialize the Glances data."""
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self.hass = hass
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self.config_entry = entry
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self.host: str = entry.data[CONF_HOST]
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self.api = api
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super().__init__(
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hass,
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_LOGGER,
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name=f"{DOMAIN} - {self.host}",
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update_interval=DEFAULT_SCAN_INTERVAL,
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)
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async def _async_update_data(self) -> dict[str, Any]:
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"""Get the latest data from the Glances REST API."""
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try:
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data = await self.api.get_ha_sensor_data()
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except exceptions.GlancesApiAuthorizationError as err:
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raise ConfigEntryAuthFailed from err
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except exceptions.GlancesApiError as err:
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raise UpdateFailed from err
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# Update computed values
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uptime: datetime | None = None
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up_duration: timedelta | None = None
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if "uptime" in data and (up_duration := parse_duration(data["uptime"])):
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uptime = self.data["computed"]["uptime"] if self.data else None
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# Update uptime if previous value is None or previous uptime is bigger than
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# new uptime (i.e. server restarted)
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if uptime is None or self.data["computed"]["uptime_duration"] > up_duration:
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uptime = utcnow() - up_duration
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data["computed"] = {"uptime_duration": up_duration, "uptime": uptime}
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return data or {}
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