typhoon/bare-metal/container-linux/kubernetes/cl/worker.yaml.tmpl

---
systemd:
  units:
    - name: docker.service
      enable: true
    - name: locksmithd.service
      mask: true
    - name: kubelet.path
      enable: true
      contents: |
        [Unit]
        Description=Watch for kubeconfig
        [Path]
        PathExists=/etc/kubernetes/kubeconfig
        [Install]
        WantedBy=multi-user.target
    - name: wait-for-dns.service
      enable: true
      contents: |
        [Unit]
        Description=Wait for DNS entries
        Wants=systemd-resolved.service
        Before=kubelet.service
        [Service]
        Type=oneshot
        RemainAfterExit=true
        ExecStart=/bin/sh -c 'while ! /usr/bin/grep '^[^#[:space:]]' /etc/resolv.conf > /dev/null; do sleep 1; done'
        [Install]
        RequiredBy=kubelet.service
    - name: kubelet.service
      contents: |
        [Unit]
        Description=Kubelet via Hyperkube ACI
        Wants=rpc-statd.service
        [Service]
        EnvironmentFile=/etc/kubernetes/kubelet.env
        Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
          --volume=resolv,kind=host,source=/etc/resolv.conf \
          --mount volume=resolv,target=/etc/resolv.conf \
          --volume var-lib-cni,kind=host,source=/var/lib/cni \
          --mount volume=var-lib-cni,target=/var/lib/cni \
          --volume opt-cni-bin,kind=host,source=/opt/cni/bin \
          --mount volume=opt-cni-bin,target=/opt/cni/bin \
          --volume var-log,kind=host,source=/var/log \
          --mount volume=var-log,target=/var/log"
        ExecStartPre=/bin/mkdir -p /opt/cni/bin
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/checkpoint-secrets
        ExecStartPre=/bin/mkdir -p /etc/kubernetes/inactive-manifests
        ExecStartPre=/bin/mkdir -p /var/lib/cni
        ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
        ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
        ExecStart=/usr/lib/coreos/kubelet-wrapper \
          --allow-privileged \
          --anonymous-auth=false \
          --client-ca-file=/etc/kubernetes/ca.crt \
          --cluster_dns=${k8s_dns_service_ip} \
          --cluster_domain=cluster.local \
          --cni-conf-dir=/etc/kubernetes/cni/net.d \
          --exit-on-lock-contention \
          --hostname-override=${domain_name} \
          --kubeconfig=/etc/kubernetes/kubeconfig \
          --lock-file=/var/run/lock/kubelet.lock \
          --network-plugin=cni \
          --node-labels=node-role.kubernetes.io/node \
          --pod-manifest-path=/etc/kubernetes/manifests \
          --require-kubeconfig
        ExecStop=-/usr/bin/rkt stop --uuid-file=/var/cache/kubelet-pod.uuid
        Restart=always
        RestartSec=5
        [Install]
        WantedBy=multi-user.target

storage:
  {{ if index . "pxe" }}
  disks:
    - device: /dev/sda
      wipe_table: true
      partitions:
        - label: ROOT
  filesystems:
    - name: root
      mount:
        device: "/dev/sda1"
        format: "ext4"
        create:
          force: true
          options:
            - "-LROOT"
  {{end}}
  files:
    - path: /etc/kubernetes/kubelet.env
      filesystem: root
      mode: 0644
      contents:
        inline: |
          KUBELET_IMAGE_URL=quay.io/coreos/hyperkube
          KUBELET_IMAGE_TAG=v1.7.7_coreos.0
    - path: /etc/hostname
      filesystem: root
      mode: 0644
      contents:
        inline:
          ${domain_name}
    - path: /etc/sysctl.d/max-user-watches.conf
      filesystem: root
      contents:
        inline: |
          fs.inotify.max_user_watches=16184
networkd:
  ${networkd_content}
passwd:
  users:
    - name: core
      ssh_authorized_keys:
        - ${ssh_authorized_key}