Kubernetes networking

CoreDNS

• Config docs

• Config in configmap kube-system/coredns

Traffic viewer

https://getmizu.io/

Network debug pod

• Github

How to use it in k8s:

Create single pod - without a deployment:

$ kubectl run multitool --image=wbitt/network-multitool

Create a deployment:

$ kubectl create deployment multitool --image=wbitt/network-multitool

Then:

$ kubectl exec -it multitool /bin/bash