Lighthouse53 is a simple dynamic DNS utility script. It upserts domain records in Amazon Web Services' Route53 with your network's public IP address.
usage: lighthouse53.py [-h] [--loglevel {CRITICAL,ERROR,WARN,INFO,DEBUG}]
[--ttl TTL]
name hostedZoneId
UPSERT a Route53 resource with your current external IPv4 address
positional arguments:
name The domain record name to upsert
hostedZoneId The hostedZoneId in which this route53 domain is
hosted
optional arguments:
-h, --help show this help message and exit
--loglevel {CRITICAL,ERROR,WARN,INFO,DEBUG}
The logging level you wish to see in the log file.
Default: 'WARN'
--ttl TTL The time to live (ttl) that you wish to have assigned
for the record. Default: 7200
You will need to have your AWS credentials in a location that boto3 can find them by following their configuration guide.
Logging is done in /var/log/lighthouse53
From the shell:
./lighthouse53.py --ttl 1200 your.domain.com Z372ZZZOS353PM
I run the script with cron every 20 minutes to update a domain with my household IP:
*/20 * * * * /opt/lighthouse53/lighthouse53 --loglevel INFO --ttl 1200 redacted.xyz XXXXXXXXXXXXXX
This software is licensed under the GNU GPLv2
