kube-dns + unbound test

Dockerfile

FROM alpine
RUN apk update
RUN apk add unbound bind-tools
COPY unbound.conf /etc/unbound/unbound.conf
CMD ["unbound", "-v", "-d"]

kube-dns-config.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: kube-dns
  namespace: kube-system
  labels:
    addonmanager.kubernetes.io/mode: EnsureExists
data:
  upstreamNameservers: |
    ["192.168.200.7"]

unbound.yaml

---
apiVersion: v1
kind: Pod
metadata:
  name: unbound
spec:
  containers:
    - image: unbound:latest
      name: unbound
  hostNetwork: true