100 lines
2.9 KiB
Python
100 lines
2.9 KiB
Python
"""
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Get your own public IP address or that of any host.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/sensor.dnsip/
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"""
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import logging
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from datetime import timedelta
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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REQUIREMENTS = ['aiodns==1.1.1']
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_LOGGER = logging.getLogger(__name__)
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CONF_NAME = 'name'
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CONF_HOSTNAME = 'hostname'
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CONF_RESOLVER = 'resolver'
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CONF_RESOLVER_IPV6 = 'resolver_ipv6'
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CONF_IPV6 = 'ipv6'
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DEFAULT_NAME = 'myip'
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DEFAULT_HOSTNAME = 'myip.opendns.com'
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DEFAULT_RESOLVER = '208.67.222.222'
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DEFAULT_RESOLVER_IPV6 = '2620:0:ccc::2'
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DEFAULT_IPV6 = False
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SCAN_INTERVAL = timedelta(seconds=120)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_NAME): cv.string,
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vol.Optional(CONF_HOSTNAME, default=DEFAULT_HOSTNAME): cv.string,
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vol.Optional(CONF_RESOLVER, default=DEFAULT_RESOLVER): cv.string,
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vol.Optional(CONF_RESOLVER_IPV6, default=DEFAULT_RESOLVER_IPV6): cv.string,
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vol.Optional(CONF_IPV6, default=DEFAULT_IPV6): cv.boolean,
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})
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async def async_setup_platform(hass, config, async_add_devices,
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discovery_info=None):
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"""Set up the DNS IP sensor."""
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hostname = config.get(CONF_HOSTNAME)
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name = config.get(CONF_NAME)
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if not name:
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if hostname == DEFAULT_HOSTNAME:
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name = DEFAULT_NAME
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else:
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name = hostname
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ipv6 = config.get(CONF_IPV6)
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if ipv6:
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resolver = config.get(CONF_RESOLVER_IPV6)
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else:
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resolver = config.get(CONF_RESOLVER)
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async_add_devices([WanIpSensor(
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hass, name, hostname, resolver, ipv6)], True)
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class WanIpSensor(Entity):
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"""Implementation of a DNS IP sensor."""
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def __init__(self, hass, name, hostname, resolver, ipv6):
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"""Initialize the sensor."""
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import aiodns
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self.hass = hass
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self._name = name
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self.hostname = hostname
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self.resolver = aiodns.DNSResolver(loop=self.hass.loop)
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self.resolver.nameservers = [resolver]
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self.querytype = 'AAAA' if ipv6 else 'A'
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self._state = None
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def state(self):
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"""Return the current DNS IP address for hostname."""
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return self._state
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async def async_update(self):
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"""Get the current DNS IP address for hostname."""
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from aiodns.error import DNSError
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try:
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response = await self.resolver.query(self.hostname,
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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._state = response[0].host
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else:
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self._state = None
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