Reassign DigitalOcean Floating IP to Current Droplet

This project has been sourced and tweaked from 5pi/img-do-float-ip⁠(thank you!).

Environment Variables

• DO_METADATA_API = http://169.254.169.254
  • The metadata API url
• DO_API = https://api.digitalocean.com
  • The DigitalOcean API url
• DO_TOKEN
  • DigitalOcean personal access token⁠
• DO_TOKEN_FILE
  • Path to file containing mounted DigitalOcean personal access token⁠ secret
• DO_FLOATING_IP
  • The DigitalOcean floating IP to keep up-to-date
• UPDATE_FREQUENCY = 600(10 minutes)
  • The frequency (in seconds) for which to check that the floating IP is up-to-date

Running on Kubernetes

Because Kubernetes masks the "Link Local" IP range⁠ required to run this container, the hostNetwork parameter needs to be enabled in the Pod specification:

apiVersion: v1
kind: Pod
spec:
    hostNetwork: true