apiVersion: v1
kind: ConfigMap
metadata:
  name: coredns-configmap
  namespace: kube-system
data:
  corefile: |
    .:53 {
      kubernetes coredns.local {
      }
      #cache 160 coredns.local
      errors stdout
      log stdout
    }
---
apiVersion: v1
kind: ReplicationController
metadata:
  labels:
    k8s-app: kube-dns
    kubernetes.io/cluster-service: "true"
    version: v20
  name: kube-dns-v20
  namespace: kube-system
spec:
  replicas: 1
  selector:
    k8s-app: kube-dns
    version: v20
  template:
    metadata:
      labels:
        k8s-app: kube-dns
        kubernetes.io/cluster-service: "true"
        version: v20
    spec:
      containers:
      - args:
        - -conf=/cfg/corefile
        image: aledbf/kube-coredns:0.6
        imagePullPolicy: IfNotPresent
        name: kube-dns
        ports:
        - containerPort: 53
          name: dns
          protocol: UDP
        - containerPort: 53
          name: dns-tcp
          protocol: TCP
        volumeMounts:
        - name: config-volume
          mountPath: /cfg
      - args:
        - -cmd=nslookup kubernetes.default.svc.cluster.local localhost >/dev/null
        - -port=8080
        image: gcr.io/google_containers/exechealthz:1.0
        imagePullPolicy: IfNotPresent
        name: healthz
        ports:
        - containerPort: 8080
          protocol: TCP
        resources:
          limits:
            cpu: 10m
            memory: 20Mi
      dnsPolicy: Default
      volumes:
        - name: config-volume
          configMap:
            name: coredns-configmap