validate-dns-spec.yaml

apiVersion: v1
kind: Pod
metadata:
  name: validate-dns
  namespace: default
spec:
  containers:
    - name: ubuntu
      image: rocks.canonical.com/cdk/ubuntu:focal
      imagePullPolicy: IfNotPresent
      command: ['sh', '-c', 'apt update -qqy && apt install -qqfy bind9-host && echo "validate-dns: Ready" && sleep 3600 || echo "validate-dns: Failed"']
  restartPolicy: Never