137 lines
4.3 KiB
Python
137 lines
4.3 KiB
Python
"""Update the IP addresses of your Cloudflare DNS records."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import asyncio
|
|
from datetime import timedelta
|
|
import logging
|
|
import socket
|
|
|
|
import pycfdns
|
|
|
|
from homeassistant.config_entries import ConfigEntry
|
|
from homeassistant.const import CONF_API_TOKEN, CONF_ZONE
|
|
from homeassistant.core import HomeAssistant, ServiceCall
|
|
from homeassistant.exceptions import (
|
|
ConfigEntryAuthFailed,
|
|
ConfigEntryNotReady,
|
|
HomeAssistantError,
|
|
)
|
|
from homeassistant.helpers.aiohttp_client import async_get_clientsession
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.helpers.event import async_track_time_interval
|
|
from homeassistant.util.location import async_detect_location_info
|
|
from homeassistant.util.network import is_ipv4_address
|
|
|
|
from .const import CONF_RECORDS, DEFAULT_UPDATE_INTERVAL, DOMAIN, SERVICE_UPDATE_RECORDS
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
CONFIG_SCHEMA = cv.removed(DOMAIN, raise_if_present=False)
|
|
|
|
|
|
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
|
|
"""Set up Cloudflare from a config entry."""
|
|
session = async_get_clientsession(hass)
|
|
client = pycfdns.Client(
|
|
api_token=entry.data[CONF_API_TOKEN],
|
|
client_session=session,
|
|
)
|
|
|
|
try:
|
|
dns_zones = await client.list_zones()
|
|
dns_zone = next(
|
|
zone for zone in dns_zones if zone["name"] == entry.data[CONF_ZONE]
|
|
)
|
|
except pycfdns.AuthenticationException as error:
|
|
raise ConfigEntryAuthFailed from error
|
|
except pycfdns.ComunicationException as error:
|
|
raise ConfigEntryNotReady from error
|
|
|
|
async def update_records(now):
|
|
"""Set up recurring update."""
|
|
try:
|
|
await _async_update_cloudflare(
|
|
hass, client, dns_zone, entry.data[CONF_RECORDS]
|
|
)
|
|
except (
|
|
pycfdns.AuthenticationException,
|
|
pycfdns.ComunicationException,
|
|
) as error:
|
|
_LOGGER.error("Error updating zone %s: %s", entry.data[CONF_ZONE], error)
|
|
|
|
async def update_records_service(call: ServiceCall) -> None:
|
|
"""Set up service for manual trigger."""
|
|
try:
|
|
await _async_update_cloudflare(
|
|
hass, client, dns_zone, entry.data[CONF_RECORDS]
|
|
)
|
|
except (
|
|
pycfdns.AuthenticationException,
|
|
pycfdns.ComunicationException,
|
|
) as error:
|
|
_LOGGER.error("Error updating zone %s: %s", entry.data[CONF_ZONE], error)
|
|
|
|
update_interval = timedelta(minutes=DEFAULT_UPDATE_INTERVAL)
|
|
entry.async_on_unload(
|
|
async_track_time_interval(hass, update_records, update_interval)
|
|
)
|
|
|
|
hass.data.setdefault(DOMAIN, {})
|
|
hass.data[DOMAIN][entry.entry_id] = {}
|
|
|
|
hass.services.async_register(DOMAIN, SERVICE_UPDATE_RECORDS, update_records_service)
|
|
|
|
return True
|
|
|
|
|
|
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
|
|
"""Unload Cloudflare config entry."""
|
|
hass.data[DOMAIN].pop(entry.entry_id)
|
|
|
|
return True
|
|
|
|
|
|
async def _async_update_cloudflare(
|
|
hass: HomeAssistant,
|
|
client: pycfdns.Client,
|
|
dns_zone: pycfdns.ZoneModel,
|
|
target_records: list[str],
|
|
) -> None:
|
|
_LOGGER.debug("Starting update for zone %s", dns_zone["name"])
|
|
|
|
records = await client.list_dns_records(zone_id=dns_zone["id"], type="A")
|
|
_LOGGER.debug("Records: %s", records)
|
|
|
|
session = async_get_clientsession(hass, family=socket.AF_INET)
|
|
location_info = await async_detect_location_info(session)
|
|
|
|
if not location_info or not is_ipv4_address(location_info.ip):
|
|
raise HomeAssistantError("Could not get external IPv4 address")
|
|
|
|
filtered_records = [
|
|
record
|
|
for record in records
|
|
if record["name"] in target_records and record["content"] != location_info.ip
|
|
]
|
|
|
|
if len(filtered_records) == 0:
|
|
_LOGGER.debug("All target records are up to date")
|
|
return
|
|
|
|
await asyncio.gather(
|
|
*[
|
|
client.update_dns_record(
|
|
zone_id=dns_zone["id"],
|
|
record_id=record["id"],
|
|
record_content=location_info.ip,
|
|
record_name=record["name"],
|
|
record_type=record["type"],
|
|
record_proxied=record["proxied"],
|
|
)
|
|
for record in filtered_records
|
|
]
|
|
)
|
|
|
|
_LOGGER.debug("Update for zone %s is complete", dns_zone["name"])
|