etcd discovery based controller (would need services/name-resolution for each pod)

etcd-controller.yaml

kind: "ReplicationController"
apiVersion: "v1"
metadata: 
  name: "etcd"
spec:
  replicas: 3
  selector:
    name: etcd
  template:
    metadata:
      labels:
        name: etcd
    spec:
      containers:
        - name: etcd
          image: base/k8s-etcd
          imagePullPolicy: Always
          ports:
          - containerPort: 2379
          - containerPort: 2380
          env:
          - name: ETCD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: ETCD_DISCOVERY
            value: https://discovery.etcd.io/${YOUR_DISCOVERY_TOKEN}
          - name: ETCD_DATA_DIR
            value: "/var/lib/etcd"
          - name: POD_IP
            valueFrom:
              fieldRef:
                fieldPath: status.podIP
          volumeMounts:
          - name: etcd
            mountPath: "/var/lib/etcd"
          - name: etcssl
            mountPath: "/etc/ssl"
            readOnly: true
      volumes:
      - name: etcd
        emptyDir:
      - name: etcssl
        hostPath:
          path: "/etc/ssl"

etcd-service.yaml

kind: "Service"
apiVersion: "v1"
metadata: 
  name: "etcd"
spec: 
  ports: 
    - name: client
      port: 2379
    - name: server
      port: 2380
    - name: client80
      port: 80
      targetPort: 2379
  selector: 
    name: "etcd"