kubernetes/docs/getting-started-guides/coreos/cloud-configs/node.yaml

#cloud-config

coreos:
  fleet:
    etcd-servers: http://<master-private-ip>:4001
    metadata: "role=node"
  flannel:
    etcd_endpoints: http://<master-private-ip>:4001
  units:
    - name: etcd.service
      mask: true
    - name: fleet.service
      command: start
    - name: flanneld.service
      command: start
      drop-ins:
        - name: 50-network-config.conf
          content: |
            [Service]
            Environment=ETCDCTL_PEERS=http://<master-private-ip>:4001
            ExecStartPre=/bin/bash -c "until curl http://<master-private-ip>:4001/v2/machines; do sleep 2; done"
            ExecStartPre=/usr/bin/etcdctl set /coreos.com/network/config '{"Network":"10.244.0.0/16", "Backend": {"Type": "vxlan"}}'
    - name: docker.service
      command: start
      drop-ins:
        - name: 51-docker-mirror.conf
          content: |
            [Unit]
            # making sure that flanneld finished startup, otherwise containers
            # won't land in flannel's network...
            Requires=flanneld.service
            After=flanneld.service
            [Service]
            Environment=DOCKER_OPTS='--registry-mirror=http://<master-private-ip>:5000'
    - name: setup-network-environment.service
      command: start
      content: |
        [Unit]
        Description=Setup Network Environment
        Documentation=https://github.com/kelseyhightower/setup-network-environment
        Requires=network-online.target
        After=network-online.target

        [Service]
        ExecStartPre=-/usr/bin/mkdir -p /opt/bin
        ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/k8s/setup-network-environment 
        ExecStartPre=/usr/bin/chmod +x /opt/bin/setup-network-environment
        ExecStart=/opt/bin/setup-network-environment
        RemainAfterExit=yes
        Type=oneshot
    - name: kube-proxy.service
      command: start
      content: |
        [Unit]
        Description=Kubernetes Proxy
        Documentation=https://github.com/GoogleCloudPlatform/kubernetes
        Requires=setup-network-environment.service
        After=setup-network-environment.service

        [Service]
        ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v0.11.0/bin/linux/amd64/kube-proxy
        ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-proxy
        ExecStart=/opt/bin/kube-proxy \
        --master=<master-private-ip>:8080 \
        --logtostderr=true
        Restart=always
        RestartSec=10
    - name: kube-kubelet.service
      command: start
      content: |
        [Unit]
        Description=Kubernetes Kubelet
        Documentation=https://github.com/GoogleCloudPlatform/kubernetes
        Requires=setup-network-environment.service
        After=setup-network-environment.service

        [Service]
        EnvironmentFile=/etc/network-environment
        ExecStartPre=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v0.11.0/bin/linux/amd64/kubelet
        ExecStartPre=/usr/bin/chmod +x /opt/bin/kubelet
        ExecStart=/opt/bin/kubelet \
        --address=0.0.0.0 \
        --port=10250 \
        --hostname_override=$private_ipv4 \
        --api_servers=<master-private-ip>:8080 \
        --logtostderr=true
        Restart=always
        RestartSec=10
  update:
    group: alpha
    reboot-strategy: off