- name: Gather installed package facts
  package_facts:
    manager: auto

# nagios-plugins-nrpe.x86_64 , nrpe, nagios-nrpe-plugin
- name: Check OS
  debug:
    msg: "{{ ansible_fact['os_family'] }} is the OS"


- name: Check if nagios NRPE  is installed
  debug:
    msg: "NRPE is installed."
  when: "'nrpe' in ansible_facts.packages"

- name: Ensure NRPE is installed (Debian/Ubuntu)
  apt:
    name: nrpe
    state: present
  become: yes
  register: nrpe_install_result
  when: "'nrpe' not in ansible_facts.packages"


- name: Deploy custom Nagios/NRPE script
  ansible.builtin.copy:
    src: memory_usage_check.py
    dest: /usr/local/nagios/libexec/my_custom_check.py
    mode: '0755'
  when: nrpe_install_result is defined and nrpe_install_result.changed