---

- name: Check if Kubernetes has already been initialized.
  stat:
    path: /etc/kubernetes/admin.conf
  register: k8s_init_stat

- block:
  - block:
    - name: Create kubeadm-config.yaml
      template:
        src: kubeadm-config.yaml.j2
        dest: "/etc/kubernetes/kubeadm-kubelet-config.yaml"
        owner: root
        group: root
        mode: '0644'


    - name: Initialize Kubernetes control plane with kubeadm init
      command: >
        kubeadm init
        --config /etc/kubernetes/kubeadm-kubelet-config.yaml
        --upload-certs
      register: k8s_init

    when: hostvars[inventory_hostname].role_node == "control-first"



  - name: Ensure .kube directory exists.
    file:
      path: ~/.kube
      state: directory
      mode: 0755

  - name: Symlink the kubectl admin.conf to ~/.kube/conf.
    file:
      src: /etc/kubernetes/admin.conf
      dest: ~/.kube/config
      state: link
      mode: 0644


  when: not k8s_init_stat.stat.exists