awsdyndns

Awsdyndns is a dynamic dns tool that updates a Route53 hostname with the current public IP of the caller. The way I use awsdyndns is by installing it on a RaspberryPi and running the program on a 10 minute cron.

Public IP is obtained via ipify.

Installing

Download the latest release for your system, rename it to awsdyndns and put it into your path.

macOs example:

cd ~/Downloads
curl -O https://github.com/jsfour/awsdyndns/releases/download/v1/awsdyndns-v1-darwin-amd64
chmod +x ./awsdyndns-v1-darwin-amd64
sudo mv ./awsdyndns-v1-darwin-amd64 /usr/local/bin/awsdyndns
awsdyndns -h

Building from source

git clone git@github.com:jsfour/awsdyndns.git
cd awsdyndns
make all

Usage

Setup your AWS_ACCESS_KEY and AWS_SECRET_KEY from AWS. Make sure that this account has permissions to the Route53 zone that you want to modify.

Once you have configured the AWS_ACCESS_KEY, and AWS_SECRET_KEY environment variables just run awsdyndns.

$ awsdyndns -d my.host.com. -z ZONEID // don't forget the trailing `.` on the hostname.
Updating dns

Help

$ awsdyndns -h
Usage of awsdyndns:
  -d, --dnshostname string   Hostname on the zone id to update
  -z, --zoneid string        Route 53 zone id

Required environment variables:

Variable
AWS_ACCESS_KEY_ID
AWS_SECRET_ACCESS_KEY