119 lines
3.4 KiB
Python
119 lines
3.4 KiB
Python
"""Update the IP addresses of your Route53 DNS records."""
|
|
from datetime import timedelta
|
|
import logging
|
|
from typing import List
|
|
|
|
import boto3
|
|
import requests
|
|
import voluptuous as vol
|
|
|
|
from homeassistant.const import CONF_DOMAIN, CONF_TTL, CONF_ZONE, HTTP_OK
|
|
import homeassistant.helpers.config_validation as cv
|
|
from homeassistant.helpers.event import track_time_interval
|
|
|
|
_LOGGER = logging.getLogger(__name__)
|
|
|
|
CONF_ACCESS_KEY_ID = "aws_access_key_id"
|
|
CONF_SECRET_ACCESS_KEY = "aws_secret_access_key"
|
|
CONF_RECORDS = "records"
|
|
|
|
DOMAIN = "route53"
|
|
|
|
INTERVAL = timedelta(minutes=60)
|
|
DEFAULT_TTL = 300
|
|
|
|
CONFIG_SCHEMA = vol.Schema(
|
|
{
|
|
DOMAIN: vol.Schema(
|
|
{
|
|
vol.Required(CONF_ACCESS_KEY_ID): cv.string,
|
|
vol.Required(CONF_DOMAIN): cv.string,
|
|
vol.Required(CONF_RECORDS): vol.All(cv.ensure_list, [cv.string]),
|
|
vol.Required(CONF_SECRET_ACCESS_KEY): cv.string,
|
|
vol.Required(CONF_ZONE): cv.string,
|
|
vol.Optional(CONF_TTL, default=DEFAULT_TTL): cv.positive_int,
|
|
}
|
|
)
|
|
},
|
|
extra=vol.ALLOW_EXTRA,
|
|
)
|
|
|
|
|
|
def setup(hass, config):
|
|
"""Set up the Route53 component."""
|
|
domain = config[DOMAIN][CONF_DOMAIN]
|
|
records = config[DOMAIN][CONF_RECORDS]
|
|
zone = config[DOMAIN][CONF_ZONE]
|
|
aws_access_key_id = config[DOMAIN][CONF_ACCESS_KEY_ID]
|
|
aws_secret_access_key = config[DOMAIN][CONF_SECRET_ACCESS_KEY]
|
|
ttl = config[DOMAIN][CONF_TTL]
|
|
|
|
def update_records_interval(now):
|
|
"""Set up recurring update."""
|
|
_update_route53(
|
|
aws_access_key_id, aws_secret_access_key, zone, domain, records, ttl
|
|
)
|
|
|
|
def update_records_service(now):
|
|
"""Set up service for manual trigger."""
|
|
_update_route53(
|
|
aws_access_key_id, aws_secret_access_key, zone, domain, records, ttl
|
|
)
|
|
|
|
track_time_interval(hass, update_records_interval, INTERVAL)
|
|
|
|
hass.services.register(DOMAIN, "update_records", update_records_service)
|
|
return True
|
|
|
|
|
|
def _update_route53(
|
|
aws_access_key_id: str,
|
|
aws_secret_access_key: str,
|
|
zone: str,
|
|
domain: str,
|
|
records: List[str],
|
|
ttl: int,
|
|
):
|
|
_LOGGER.debug("Starting update for zone %s", zone)
|
|
|
|
client = boto3.client(
|
|
DOMAIN,
|
|
aws_access_key_id=aws_access_key_id,
|
|
aws_secret_access_key=aws_secret_access_key,
|
|
)
|
|
|
|
# Get the IP Address and build an array of changes
|
|
try:
|
|
ipaddress = requests.get("https://api.ipify.org/", timeout=5).text
|
|
|
|
except requests.RequestException:
|
|
_LOGGER.warning("Unable to reach the ipify service")
|
|
return
|
|
|
|
changes = []
|
|
for record in records:
|
|
_LOGGER.debug("Processing record: %s", record)
|
|
|
|
changes.append(
|
|
{
|
|
"Action": "UPSERT",
|
|
"ResourceRecordSet": {
|
|
"Name": f"{record}.{domain}",
|
|
"Type": "A",
|
|
"TTL": ttl,
|
|
"ResourceRecords": [{"Value": ipaddress}],
|
|
},
|
|
}
|
|
)
|
|
|
|
_LOGGER.debug("Submitting the following changes to Route53")
|
|
_LOGGER.debug(changes)
|
|
|
|
response = client.change_resource_record_sets(
|
|
HostedZoneId=zone, ChangeBatch={"Changes": changes}
|
|
)
|
|
_LOGGER.debug("Response is %s", response)
|
|
|
|
if response["ResponseMetadata"]["HTTPStatusCode"] != HTTP_OK:
|
|
_LOGGER.warning(response)
|