- name: Check if cluster is initialised
  ansible.builtin.stat:
    path: /etc/kubernetes/admin.conf
  register: kubernetes_control_plane_admin_conf
  run_once: true

- name: Initialise Kubernetes cluster
  when: not kubernetes_control_plane_admin_conf.stat.exists
  block:
    - name: Copy kubeadm config
      ansible.builtin.template:
        src: kubeadm-config.yaml.j2
        dest: /tmp/kubeadm-config.yaml
        mode: "0600"
      run_once: true

    - name: Initialise Kubernetes with kubeadm
      ansible.builtin.command: kubeadm init --config /tmp/kubeadm-config.yaml
      args:
        creates: /etc/kubernetes/admin.conf
      run_once: true