gc-ddns

Dynamic DNS API Service for Google Cloud

This is a hub service to connect dynamic IP address endpoint as a home network at any time. Your DNS record on Google Cloud is updated by posting this service from Home PC periodically.

Environment

Node.js 4.3 or Later

Configuration

Edit config/local.yml

config:
  app:
    apiKey: <API service key>
  googleCloud:
    project: <project name>
    authKeyJsonFile: <auth json file path>
    dns:
      zone: <zone name>
      domain: <domain>

authKeyJsonFile is provided by authentication page at Google Cloud Console.

Setup and Start API service

$ git clone git@github.com:tilfin/gc-ddns.git
$ cd gc-ddns
$ npm install
$ node app.js

How to update A/AAAA record

Linux/OS X

$ curl -X POST \
    -d 'host=<Host name>&ip=<IP Address>&key=<API service key>&ttl=<TTL>' \
    http://localhost:8080/records

Windows PowerShell

PS > Invoke-RestMethod http://localhost:8080/records `
    -Method POST `
    -Body "host=<Host name>&ip=<IP Address>&key=<API service key>&ttl=<TTL>" `

Service port is config.app.port (default 8080)
Default TTL is config.ttl
Specify request source host IP address if ip is not specified
Recommend to access API Service via HTTPS (using nginx as a reverse proxy)

alecs / gc-ddns