kind: KubeadmControlPlane
apiVersion: controlplane.cluster.x-k8s.io/v1alpha3
metadata:
  name: cluster-controlplane
spec:
  replicas: 1
  version: v1.18.6
  infrastructureTemplate:
    kind: Metal3MachineTemplate
    apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
    name: cluster-controlplane
  kubeadmConfigSpec:
    preKubeadmCommands:
      - |
        cat <<EOF | tee /etc/sysctl.d/k8s.conf
        net.bridge.bridge-nf-call-ip6tables = 1
        net.bridge.bridge-nf-call-iptables = 1
        EOF
      - sysctl --system
      - swapoff -a
      - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
      - curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
      - echo "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | tee -a /etc/apt/sources.list
        # Replace xenial with focal or $(lsb_release -cs) once available
      - echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | tee -a /etc/apt/sources.list
      - apt update
      - apt install -y
          docker-ce="$(apt-cache policy docker-ce | grep 19.03.12 | sort | head -n 1 | tr -s " " | cut -d ' ' -f 2)"
          docker-ce-cli="$(apt-cache policy docker-ce-cli | grep 19.03.12 | sort | head -n 1 | tr -s " " | cut -d ' ' -f 2)"
          containerd.io
      - apt install -y kubelet=1.18.6-00 kubeadm=1.18.6-00 kubectl=1.18.6-00
      - apt-mark hold docker-ce docker-ce-cli containerd.io kubelet kubeadm kubectl
    initConfiguration:
      nodeRegistration:
        name: '{{ ds.meta_data.local_hostname }}'
        kubeletExtraArgs:
          node-labels: 'metal3.io/uuid={{ ds.meta_data.uuid }}'
    joinConfiguration:
      controlPlane: {}
      nodeRegistration:
        name: '{{ ds.meta_data.local_hostname }}'
        kubeletExtraArgs:
          node-labels: 'metal3.io/uuid={{ ds.meta_data.uuid }}'
---
apiVersion: infrastructure.cluster.x-k8s.io/v1alpha3
kind: Metal3MachineTemplate
metadata:
  name: cluster-controlplane
spec:
  template:
    spec:
      image:
        # NOTE (dukov) this should be overridden on lower levels
        url: https://cloud-images.ubuntu.com/focal/current/focal-server-cloudimg-amd64.img
        checksum: 2c890254ecbd4e6b4931f864ef72b337
      hostSelector:
        matchLabels:
          airshipit.org/k8s-role: controlplane-host