mirror of
https://github.com/home-assistant/core
synced 2024-09-03 08:14:07 +02:00
95 lines
2.8 KiB
Python
95 lines
2.8 KiB
Python
"""Get your own public IP address or that of any host."""
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from __future__ import annotations
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from datetime import timedelta
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import logging
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import aiodns
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from aiodns.error import DNSError
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from homeassistant.components.sensor import SensorEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_NAME
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.device_registry import DeviceEntryType
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from homeassistant.helpers.entity import DeviceInfo
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .const import (
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CONF_HOSTNAME,
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CONF_IPV4,
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CONF_IPV6,
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CONF_RESOLVER,
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CONF_RESOLVER_IPV6,
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DOMAIN,
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)
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_LOGGER = logging.getLogger(__name__)
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SCAN_INTERVAL = timedelta(seconds=120)
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async def async_setup_entry(
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hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
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) -> None:
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"""Set up the dnsip sensor entry."""
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hostname = entry.data[CONF_HOSTNAME]
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name = entry.data[CONF_NAME]
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resolver_ipv4 = entry.options[CONF_RESOLVER]
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resolver_ipv6 = entry.options[CONF_RESOLVER_IPV6]
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entities = []
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if entry.data[CONF_IPV4]:
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entities.append(WanIpSensor(name, hostname, resolver_ipv4, False))
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if entry.data[CONF_IPV6]:
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entities.append(WanIpSensor(name, hostname, resolver_ipv6, True))
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async_add_entities(entities, update_before_add=True)
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class WanIpSensor(SensorEntity):
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"""Implementation of a DNS IP sensor."""
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_attr_icon = "mdi:web"
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def __init__(
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self,
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name: str,
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hostname: str,
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resolver: str,
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ipv6: bool,
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) -> None:
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"""Initialize the DNS IP sensor."""
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self._attr_name = f"{name} IPv6" if ipv6 else name
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self._attr_unique_id = f"{hostname}_{ipv6}"
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self.hostname = hostname
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self.resolver = aiodns.DNSResolver()
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self.resolver.nameservers = [resolver]
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self.querytype = "AAAA" if ipv6 else "A"
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self._attr_extra_state_attributes = {
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"Resolver": resolver,
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"Querytype": self.querytype,
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}
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self._attr_device_info = DeviceInfo(
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entry_type=DeviceEntryType.SERVICE,
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identifiers={(DOMAIN, f"{hostname}_{ipv6}")},
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manufacturer="DNS",
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model=aiodns.__version__,
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name=hostname,
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)
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async def async_update(self) -> None:
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"""Get the current DNS IP address for hostname."""
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try:
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response = await self.resolver.query(self.hostname, self.querytype)
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except DNSError as err:
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_LOGGER.warning("Exception while resolving host: %s", err)
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response = None
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if response:
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self._attr_native_value = response[0].host
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self._attr_available = True
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else:
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self._attr_available = False
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