---
- name: Prepare Load Balancer
  hosts: loadbalancer
  tasks:
    - name: Ensure apt cache is updated
      ansible.builtin.apt:
        update_cache: true
      when: ansible_pkg_mgr == 'apt'

    - name: Ensure HAProxy is installed
      ansible.builtin.package:
        name: haproxy
        state: present

    - name: Ensure HAProxy config directory exists
      ansible.builtin.file:
        path: /usr/local/etc/haproxy
        state: directory
        mode: 0755

    - name: Ensure HAProxy is configured
      ansible.builtin.template:
        src: haproxy-loadbalancer.conf.j2
        dest: /usr/local/etc/haproxy/haproxy.cfg
        mode: 0644

    - name: Ensure HAProxy service is started
      command: haproxy -D -f /usr/local/etc/haproxy/haproxy.cfg -p /var/run/haproxy.pid
      args:
        creates: /var/run/haproxy.pid

- name: Prepare nodes
  hosts: node*
  tasks:
    - name: Ensure apt cache is updated
      ansible.builtin.apt:
        update_cache: true
      when: ansible_pkg_mgr == 'apt'