port-forward-controller

WIP.

A port forward controller powered by PCP - a UPnP and NAT-PMP successor protocol that almost any home router supports.

This has nothing to do with kubectl port-forward kind of port forwarding and the corresponding APIs.

Run it in your Kubernetes cluster and manage dynamic port forwarding rules via CRDs.

Provides a LoadBalancer implementation that automatically forwards port on the router according to the Service configuration.

A successor project for https://github.com/MOZGIII/port-map-operator.

Ideas

• eBPF-powered PCP implementation for externally-managed VIP LoadBalancer services

  The idea there is we'd be able to send and receive the PCP packets - something we can't do by simply utilizing the usual networking at with a host-network Pod.

  This is, however, better fitted for the LoadBalancer service implementations themselves.

• non-PCP port forwarding

  Using the HTTP/Telnet/SSH for port forwarding via the admin panel of the router.

  This is much more flexible, allowing proper setup for passing traffic to an externally-managed L2 LoadBalancers directly - but also to any arbitrary IP/port pair.