kubernetes-coreos-do/cloud-config-node.yml at master · softzilla/kubernetes-coreos-do · GitHub

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#cloud-config
---
write_files:
- path: /opt/etc/kubernetes-version
  permissions: 0644
  owner: root
  content: "v0.18.2" # change it to actual release
- path: /opt/bin/downloader.sh
  permissions: 0744
  owner: root
  content: |
    #!/usr/bin/bash
    version=$(cat /opt/etc/kubernetes-version)
    if [ ! -z ${1} ] && [ ! -z ${2} ]; then
      if [ ! -d ${1} ]; then
        /usr/bin/mkdir -p ${1}
      fi
      /usr/bin/wget -N -P ${1} https://storage.googleapis.com/kubernetes-release/release/${version}/bin/linux/amd64/${2}
      /usr/bin/chmod +x ${1}/${2}
    fi
- path: /opt/bin/kubelet-service.sh
  owner: root
  permissions: 0744
  content: |
    #!/usr/bin/bash
    ip=$(ip addr | grep inet | grep eth1 | grep global | awk '{print $2}' | sed -e 's/\/.*$//')
    /opt/bin/kubelet \
        --address=0.0.0.0 \
        --port=10250 \
        --hostname_override=${ip} \
        --api_servers=%MASTER_IP%:8080
- path: "/opt/bin/register-node.sh"
  owner: root
  permissions: 0744
  content: |
    #!/bin/bash
    ip=$(ip addr | grep inet | grep eth1 | grep global | awk '{print $2}' | sed -e 's/\/.*$//')
    name=$(hostname)
    curl -X POST -d @- http://${1}/api/v1beta1/nodes << EOF
    {
      "id": "${ip}",
      "kind": "Minion",
      "apiVersion": "v1beta1",
      "resources": {
        "capacity": {
          "cpu": 1000,
          "memory": 1073741824
        }
      },
      "externalID": "${ip}",
      "labels": {
        "name": "${name}"
      }
    }
    EOF
coreos:
  fleet:
    etcd-servers: http://%MASTER_IP%:4001
    metadata: "role=node"
  flannel:
    interface: eth1
    etcd_endpoints: http://%MASTER_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: |
            [Unit]
            Requires=network-online.target
            After=network-online.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 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: 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_IP%:5000'
    - 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=/opt/bin/downloader.sh /opt/bin kube-proxy
        ExecStartPre=/usr/bin/chmod +x /opt/bin/kube-proxy
        ExecStart=/opt/bin/kube-proxy \
        --master=%MASTER_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=/opt/bin/downloader.sh /opt/bin kubelet
        ExecStart=/opt/bin/kubelet-service.sh
        Restart=always
        RestartSec=10
    - name: register-node.service
      command: start
      content: |
        [Unit]
        Description=Register Node on Master
        Requires=kube-kubelet.service
        After=kube-kubelet.service

        [Service]
        ExecStart=/opt/bin/register-node.sh %MASTER_IP%:8080
        RemainAfterExit=yes
        Type=oneshot
  update:
    group: stable
    reboot-strategy: off