kubernetes-bootstrapping/00-provisioning/butane/kube-node03-full.yaml

variant: fcos
version: 1.5.0
storage:
  files:
    # Hostname
    - path: /etc/hostname
      mode: 420
      overwrite: true
      contents:
        inline: |
          kube-node03
    # CRI-O DNF module
    - path: /etc/dnf/modules.d/cri-o.module
      mode: 0644
      overwrite: true
      contents:
        inline: |
          [cri-o]
          name=cri-o
          stream=1.29
          profiles=
          state=enabled
    # YUM repository for kubeadm, kubelet and kubectl
    - path: /etc/yum.repos.d/kubernetes.repo
      mode: 0644
      overwrite: true
      contents:
        inline: |
          [kubernetes]
          name=Kubernetes
          baseurl=https://pkgs.k8s.io/core:/stable:/v1.29/rpm/
          enabled=1
          gpgcheck=1
          repo_gpgcheck=1
          gpgkey=https://pkgs.k8s.io/core:/stable:/v1.29/rpm/repodata/repomd.xml.key
    # configuring automatic loading of br_netfilter on startup
    - path: /etc/modules-load.d/br_netfilter.conf
      mode: 0644
      overwrite: true
      contents:
        inline: br_netfilter
    # setting kernel parameters required by kubelet
    - path: /etc/sysctl.d/kubernetes.conf
      mode: 0644
      overwrite: true
      contents:
        inline: |
          net.bridge.bridge-nf-call-iptables=1
          net.ipv4.ip_forward=1
    # script to install kubelet dependencies
    - path: /usr/local/bin/install-kubelet.sh
      mode: 0744
      overwrite: true
      contents:
        inline: |
          #!/bin/bash
          rpm-ostree install kubelet kubeadm kubectl cri-o vim
          systemctl enable crio kubelet
          sleep 1 # systemctl enable and reboot race condition?
          systemctl reboot
    - path: /home/steven/cluster-config.yaml
      mode: 0600
      overwrite: true
      contents:
        inline: |
          apiVersion: kubeadm.k8s.io/v1beta3
          kind: ClusterConfiguration
          controllerManager:
            extraArgs:
              flex-volume-plugin-dir: "/var/lib/kubelet/volumeplugins/nodeagent~uds"
          networking:
            podSubnet: "10.244.0.0/16"
          ---
          apiVersion: kubeadm.k8s.io/v1beta3
          kind: InitConfiguration
          nodeRegistration:
            kubeletExtraArgs:
              volume-plugin-dir: "/var/lib/kubelet/volumeplugins/nodeagent~uds"
    - path: /home/steven/join-config.yaml
      mode: 0600
      overwrite: true
      contents:
        inline: |
          apiVersion: kubeadm.k8s.io/v1beta3
          kind: JoinConfiguration
          nodeRegistration:
            kubeletExtraArgs:
              volume-plugin-dir: "/var/lib/kubelet/volumeplugins/nodeagent~uds"
passwd: # setting login credentials
  users:
    - name: steven
      ssh_authorized_keys:
        - ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAsPq55j525p1ntk37oeel83i6FVm9+ptWk/4csqZivKRrtfhSebtWj0GHg7mnN+XIvQFEXY1HuPSfAByuwURN7LrBTKYNDHM5VxyHSP3s6Ik9OYngbVDCcDRc94teivYalYPyC5rCfIFYRg+vrxD1Gl7eASpiS7z2YD5w6WSxEnQ9tk+GQgsbRcsDBpKTZL/yHZbNNOamUwv3FNmaDpq7V8d1IrKCQiivYQ5n/sWpQnOzMOnY5i7OKr2G56KbaVIXRe3JKIF7ifAK0aJ5q+45RmwdgVh+SgwIFBzQD4GZJbr8jbvxYO9NjbF9fm7qLYnbHNyT7cDx8ClQqAz/2cL0xw== taterwin10
        - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCf2HvSx2ls2KhHn3tISbYbx9NpYSKw+ESmOdxscZJuCEMKDEOdBuOJ5E3CpA+A+QiLY+qlXGPOyNKwmjVPFr6TzNwBciehcs3bFKAvar2vrJsQkUXAJiBzJWiQceGwto3zq6nIAO/tx7s3P6KVPuxegGyXAMv/7Fc8cytOk8q05Xt+7hUyz0LbCZ6j66/Qa7c8eJz8Vho1Oe1BpIhhcZbSovZrKgBOhpyIdUtxh/W5KnFsbIq4MPPVCRHN7IVrXcvkPsTQ6OGeJAsqun+zF3KupQs0Xqt157EmOn5D41x5QY7kts11QZiKmeeSFYt2gRaY7VtAlEfar0fgXWOyQ/Uf steven-pixel6a
      groups: [ sudo, docker ]
systemd:
  units:
    - name: install-kubelet.service
      enabled: true
      contents: |
        [Unit]
        Before=systemd-user-sessions.service
        Wants=network-online.target
        After=network-online.target
        ConditionPathExists=!/var/lib/install-kubelet

        [Service]
        Type=oneshot
        ExecStart=/usr/local/bin/install-kubelet.sh
        ExecStartPost=/usr/bin/touch /var/lib/install-kubelet
        RemainAfterExit=yes

        [Install]
        WantedBy=multi-user.target