Distributed Services with Go

Create Custom Controllers with Metacontroller

We could deploy our service with no changes and our service would function the same as it did in our local Kind cluster. But we want to extend our deployment setup to expose our service on the Internet. Because our service load balances client-side, each pod needs its own static IP, so we need a load balancer service for each pod. It’d be nice for Kubernetes to automatically create the load balancers as the pods scale up and delete them as the pods scale down, but Kubernetes doesn’t support this out of the box.

Enter Metacontroller.

Metacontroller^[69] is a Kubernetes add-on that makes it easy to write and deploy custom controllers with simple scripts. Metacontroller lets us hook into Kubernetes’ ...