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

#cloud-config

coreos:
  fleet:
    etcd_servers: http://<master-private-ip>:4001
    metadata: role=knode
  units:
    - name: etcd.service
      mask: true
    - name: fleet.service
      command: start
    - name: flannel.service
      command: start
      content: |
        [Unit]
        After=network-online.target 
        Wants=network-online.target
        Description=flannel is an etcd backed overlay network for containers

        [Service]
        Type=notify
        ExecStartPre=-/usr/bin/mkdir -p /opt/bin
        ExecStartPre=/usr/bin/wget -N -P /opt/bin http://storage.googleapis.com/k8s/flanneld
        ExecStartPre=/usr/bin/chmod +x /opt/bin/flanneld
        ExecStart=/opt/bin/flanneld -etcd-endpoints http://<master-private-ip>:4001
    - name: docker.service
      command: start
      content: |
        [Unit]
        After=flannel.service
        Wants=flannel.service
        Description=Docker Application Container Engine
        Documentation=http://docs.docker.io

        [Service]
        EnvironmentFile=/run/flannel/subnet.env
        ExecStartPre=/bin/mount --make-rprivate /
        ExecStart=/usr/bin/docker -d --bip=${FLANNEL_SUBNET} --mtu=${FLANNEL_MTU} -s=btrfs -H fd://

        [Install]
        WantedBy=multi-user.target
    - 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 http://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-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 http://storage.googleapis.com/k8s/kubelet
        ExecStartPre=/usr/bin/chmod +x /opt/bin/kubelet
        ExecStart=/opt/bin/kubelet \
        --address=0.0.0.0 \
        --port=10250 \
        --hostname_override=${DEFAULT_IPV4} \
        --etcd_servers=http://<master-private-ip>:4001 \
        --logtostderr=true
        Restart=always
        RestartSec=10
  update:
    group: alpha
    reboot-strategy: off