Kubernetes single node cloud-config for CoreOS.

kubernetes-dev.yml

#cloud-config

---
hostname: master
coreos:
  units:
    - name: docker.service
      command: start
      enable: true
      drop-ins:
        - name: 51-docker-mirror.conf
          content: |
            [Unit]
            Requires=docker-registry.service
            After=docker-registry.service
            [Service]
            Environment=DOCKER_OPTS='--registry-mirror=http://$private_ipv4:5000'
    - name: docker-registry.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=Docker registry proxy
        Requires=early-docker.service
        After=early-docker.service
        Before=early-docker.target

        [Service]
        Restart=always
        TimeoutStartSec=0
        RestartSec=5
        Environment="TMPDIR=/var/tmp/"
        Environment="DOCKER_HOST=unix:///var/run/early-docker.sock"
        ExecStartPre=-/usr/bin/docker kill docker-registry
        ExecStartPre=-/usr/bin/docker rm docker-registry
        ExecStartPre=/usr/bin/docker pull registry:2
        ExecStart=/usr/bin/docker run --rm --net host --name docker-registry \
            -e MIRROR_SOURCE=https://registry-1.docker.io \
            -e MIRROR_SOURCE_INDEX=https://index.docker.io \
            -e MIRROR_TAGS_CACHE_TTL=1800 \
            registry:2
        ExecStop=/usr/bin/docker stop docker-registry
    - name: kube-etcd2.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=Kubernetes etcd2
        Documentation=https://github.com/coreos/etcd
        Requires=docker.service
        After=docker.service

        [Service]
        ExecStartPre=-/usr/bin/docker kill k8s-etcd2 
        ExecStartPre=-/usr/bin/docker rm k8s-etcd2
        ExecStartPre=/usr/bin/docker pull gcr.io/google_containers/etcd:2.0.12
        ExecStart=/usr/bin/docker run --name k8s-etcd2 --net=host gcr.io/google_containers/etcd:2.0.12 /usr/local/bin/etcd --addr=127.0.0.1:4001 --bind-addr=0.0.0.0:4001 --data-dir=/var/etcd/data
        ExecStop=/usr/bin/docker stop k8s-etcd2
        Restart=always
        RestartSec=10
    - name: kube-apiserver.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=Kubernetes API Server
        Documentation=https://github.com/GoogleCloudPlatform/kubernetes
        Requires=docker.service kube-etcd2.service
        After=docker.service kube-etcd2.service

        [Service]
        ExecStartPre=-/usr/bin/docker kill k8s-master 
        ExecStartPre=-/usr/bin/docker rm k8s-master
        ExecStartPre=/usr/bin/docker pull gcr.io/google_containers/hyperkube:v1.0.1
        ExecStart=/usr/bin/docker run --name k8s-master --net=host -v /var/run/docker.sock:/var/run/docker.sock gcr.io/google_containers/hyperkube:v1.0.1 /hyperkube kubelet --api_servers=http://localhost:8080 --v=2 --address=0.0.0.0 --enable_server --hostname_override=127.0.0.1 --config=/etc/kubernetes/manifests
        ExecStop=/usr/bin/docker stop k8s-master
        Restart=always
        RestartSec=10
    - name: kube-proxy.service
      command: start
      enable: true
      content: |
        [Unit]
        Description=Kubernetes Proxy
        Documentation=https://github.com/GoogleCloudPlatform/kubernetes
        Requires=docker.service kube-apiserver.service
        After=docker.service kube-apiserver.service

        [Service]
        ExecStartPre=-/usr/bin/docker kill k8s-proxy 
        ExecStartPre=-/usr/bin/docker rm k8s-proxy
        ExecStartPre=/usr/bin/docker pull gcr.io/google_containers/hyperkube:v1.0.1
        ExecStart=/usr/bin/docker run --name k8s-proxy --net=host --privileged gcr.io/google_containers/hyperkube:v1.0.1 /hyperkube proxy --master=http://127.0.0.1:8080 --v=2
        ExecStop=/usr/bin/docker stop k8s-proxy
    - name: kubectl-download.service
      command: start
      content: |
        [Unit]
        Description=Download Kubernetes kubectl 
        Documentation=https://github.com/GoogleCloudPlatform/kubernetes
        ConditionPathExists=!/opt/bin/kubectl

        [Service]
        Type=oneshot
        ExecStart=/usr/bin/wget -N -P /opt/bin https://storage.googleapis.com/kubernetes-release/release/v1.0.1/bin/linux/amd64/kubectl
        ExecStartPost=/usr/bin/chmod +x /opt/bin/kubectl