105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
"""Update the IP addresses of your Cloudflare DNS records."""
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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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from aiohttp import ClientSession
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from pycfdns import CloudflareUpdater
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from pycfdns.exceptions import (
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CloudflareAuthenticationException,
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CloudflareConnectionException,
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CloudflareException,
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CloudflareZoneException,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_API_TOKEN, CONF_ZONE
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from homeassistant.core import HomeAssistant, ServiceCall
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from homeassistant.exceptions import (
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ConfigEntryAuthFailed,
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ConfigEntryNotReady,
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HomeAssistantError,
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)
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.event import async_track_time_interval
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from homeassistant.util.location import async_detect_location_info
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from homeassistant.util.network import is_ipv4_address
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from .const import CONF_RECORDS, DEFAULT_UPDATE_INTERVAL, DOMAIN, SERVICE_UPDATE_RECORDS
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_LOGGER = logging.getLogger(__name__)
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CONFIG_SCHEMA = cv.removed(DOMAIN, raise_if_present=False)
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async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
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"""Set up Cloudflare from a config entry."""
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session = async_get_clientsession(hass)
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cfupdate = CloudflareUpdater(
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session,
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entry.data[CONF_API_TOKEN],
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entry.data[CONF_ZONE],
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entry.data[CONF_RECORDS],
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)
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try:
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zone_id = await cfupdate.get_zone_id()
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except CloudflareAuthenticationException as error:
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raise ConfigEntryAuthFailed from error
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except (CloudflareConnectionException, CloudflareZoneException) as error:
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raise ConfigEntryNotReady from error
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async def update_records(now):
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"""Set up recurring update."""
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try:
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await _async_update_cloudflare(session, cfupdate, zone_id)
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except CloudflareException as error:
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_LOGGER.error("Error updating zone %s: %s", entry.data[CONF_ZONE], error)
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async def update_records_service(call: ServiceCall) -> None:
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"""Set up service for manual trigger."""
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try:
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await _async_update_cloudflare(session, cfupdate, zone_id)
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except CloudflareException as error:
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_LOGGER.error("Error updating zone %s: %s", entry.data[CONF_ZONE], error)
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update_interval = timedelta(minutes=DEFAULT_UPDATE_INTERVAL)
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entry.async_on_unload(
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async_track_time_interval(hass, update_records, update_interval)
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)
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hass.data.setdefault(DOMAIN, {})
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hass.data[DOMAIN][entry.entry_id] = {}
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hass.services.async_register(DOMAIN, SERVICE_UPDATE_RECORDS, update_records_service)
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return True
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async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
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"""Unload Cloudflare config entry."""
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hass.data[DOMAIN].pop(entry.entry_id)
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return True
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async def _async_update_cloudflare(
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session: ClientSession,
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cfupdate: CloudflareUpdater,
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zone_id: str,
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) -> None:
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_LOGGER.debug("Starting update for zone %s", cfupdate.zone)
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records = await cfupdate.get_record_info(zone_id)
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_LOGGER.debug("Records: %s", records)
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location_info = await async_detect_location_info(session)
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if not location_info or not is_ipv4_address(location_info.ip):
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raise HomeAssistantError("Could not get external IPv4 address")
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await cfupdate.update_records(zone_id, records, location_info.ip)
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_LOGGER.debug("Update for zone %s is complete", cfupdate.zone)
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