- name: Initialize Kubernetes Control Plane
  hosts: k8s_control_plane
  become: true
  vars:
    pod_network_cidr: "192.168.0.0/16"
    apiserver_advertise_address: "10.50.3.21"
    cri_socket: "unix:///run/containerd/containerd.sock"
    kubeconfig_src: "/etc/kubernetes/admin.conf"
    kubeconfig_dest: "/home/{{ ansible_user }}/.kube/config"

## Crea la directory .kube nella home dell'utente

  tasks:
    - name: Ensure .kube directory exists
      file:
        path: "/home/{{ ansible_user }}/.kube"
        state: directory
        owner: "{{ ansible_user }}"
        group: "{{ ansible_user }}"
        mode: '0755'

## Crea il cluster con i parametri indicati sopra

    - name: Run kubeadm init
      command: >
        kubeadm init
        --pod-network-cidr={{ pod_network_cidr }}
        --apiserver-advertise-address={{ apiserver_advertise_address }}
        --cri-socket {{ cri_socket }}
      args:
        creates: /etc/kubernetes/pki/ca.crt

## Copia la configurazione del cluster così da poter eseguire comandi kubectl dall'utente

    - name: Copy admin.conf to user's kube config
      copy:
        src: "{{ kubeconfig_src }}"
        dest: "{{ kubeconfig_dest }}"
        remote_src: true
        owner: "{{ ansible_user }}"
        group: "{{ ansible_user }}"
        mode: '0644'