---
- name: Prepare cluster test environment
  hosts: all
  become: true
  gather_facts: false

  tasks:
    - name: Wait for systemd to start
      ansible.builtin.command: systemctl is-system-running
      register: systemd_running
      until: systemd_running.stdout in ['running', 'degraded']
      retries: 20
      delay: 3
      changed_when: false
      failed_when: false

    - name: Install Python3
      ansible.builtin.raw: apt-get update && apt-get install -y python3
      changed_when: true

    - name: Create k3s directories
      ansible.builtin.file:
        path: "{{ item }}"
        state: directory
        mode: "0755"
      loop:
        - /etc/kubernetes/k3s
        - /var/lib/kubernetes/k3s/server
        - /var/lib/kubernetes/k3s/agent

    - name: Mock k3s binary (simulates pre-installed K3s)
      ansible.builtin.copy:
        content: "#!/bin/bash\necho 'k3s mock'; exit 0\n"
        dest: /usr/local/bin/k3s
        mode: "0755"

    - name: Mock k3s node-token (masters only)
      ansible.builtin.copy:
        content: "K10::server:molecule-test-node-token\n"
        dest: /var/lib/kubernetes/k3s/server/node-token
        mode: "0600"
      when: inventory_hostname in groups['k3s_master']