kubedns for federation

kubedns-deploy.yml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: kubedns
  namespace: kube-system
  labels:
    k8s-app: kubedns
    version: v19
    kubernetes.io/cluster-service: "true"
spec:
  replicas: 1
  selector:
    matchLabels:
      k8s-app: kubedns
      version: v19
  template:
    metadata:
      labels:
        k8s-app: kubedns
        version: v19
        kubernetes.io/cluster-service: "true"
    spec:
      containers:
      - name: kubedns
        image: "gcr.io/google_containers/k8s-dns-kube-dns-amd64:1.14.2"
        imagePullPolicy: IfNotPresent
        resources:
          # TODO: Set memory limits when we've profiled the container for large
          # clusters, then set request = limit to keep this container in
          # guaranteed class. Currently, this container falls into the
          # "burstable" category so the kubelet doesn't backoff from restarting it.
          limits:
            cpu: 100m
            memory: 170Mi
          requests:
            cpu: 70m
            memory: 50Mi
        livenessProbe:
          httpGet:
            path: /healthz
            port: 8080
            scheme: HTTP
          initialDelaySeconds: 60
          timeoutSeconds: 5
          successThreshold: 1
          failureThreshold: 5
        readinessProbe:
          httpGet:
            path: /readiness
            port: 8081
            scheme: HTTP
          # we poll on pod startup for the Kubernetes master service and
          # only setup the /readiness HTTP server once that's available.
          initialDelaySeconds: 30
          timeoutSeconds: 5
        args:
        # command = "/kube-dns"
        - --domain=cluster.local.
        - --dns-port=10053
        - --config-dir=/kube-dns-config
        - --v=2
        ports:
        - containerPort: 10053
          name: dns-local
          protocol: UDP
        - containerPort: 10053
          name: dns-tcp-local
          protocol: TCP
        volumeMounts:
        - name: kube-dns-config
          mountPath: /kube-dns-config
      - name: dnsmasq
        image: "gcr.io/google_containers/kube-dnsmasq-amd64:1.3"
        imagePullPolicy: IfNotPresent
        resources:
          limits:
            cpu: 100m
            memory: 170Mi
          requests:
            cpu: 70m
            memory: 50Mi
        args:
        - --log-facility=-
        - --cache-size=1000
        - --no-resolv
        - --server=127.0.0.1#10053
        - --local=/cluster.local.default.svc.cluster.local./default.svc.cluster.local.default.svc.cluster.local./com.default.svc.cluster.local./cluster.local.svc.cluster.local./svc.cluster.local.svc.cluster.local./com.svc.cluster.local./
        ports:
        - containerPort: 53
          name: dns
          protocol: UDP
        - containerPort: 53
          name: dns-tcp
          protocol: TCP
      - name: healthz
        image: "gcr.io/google_containers/exechealthz-amd64:1.1"
        imagePullPolicy: IfNotPresent
        resources:
          # keep request = limit to keep this container in guaranteed class
          limits:
            cpu: 10m
            memory: 50Mi
          requests:
            cpu: 10m
            # Note that this container shouldn't really need 50Mi of memory. The
            # limits are set higher than expected pending investigation on #29688.
            # The extra memory was stolen from the kubedns container to keep the
            # net memory requested by the pod constant.
            memory: 50Mi
        args:
        - -cmd=nslookup kubernetes.default.svc.cluster.local 127.0.0.1 >/dev/null && nslookup kubernetes.default.svc.cluster.local 127.0.0.1:10053 >/dev/null
        - -port=8080
        - -quiet
        ports:
        - containerPort: 8080
          protocol: TCP
      dnsPolicy: Default  # Don't use cluster DNS.
      volumes:
      - name: kube-dns-config
        configMap:
          name: kube-dns
          optional: true