Minikube NATs Source IP Address of Pods for services with ClusterIP

This article introduces a network issue I met when I was using Minikube as a developing environment for running and testing Kuberhealthy locally and how I did troubleshooting about it.

The phenomenon is the Pod running a KHCheck (a customized resource in Kuberhealthy, like a probe, running tests and reporting results back to Kuberhealthy service) was unable to send the result back to the Kuberhealthy service in the same namespace of a Kubernetes cluster on Minikube. The details are illustrated in the section of…