---
- name: "Check if packages are already installed" # noqa command-instead-of-module this runs faster
  ansible.builtin.command: "rpm -q {{ packages_list | join(' ') }}"
  register: rpm_info
  changed_when: false
  failed_when: false
  when: ansible_facts.os_family == "RedHat"

- name: "Add missing packages to the yum install list"
  ansible.builtin.set_fact:
    packages_to_install: "{{ packages_to_install | default([]) + rpm_info.stdout_lines | \
                             map('regex_findall', 'package (.+) is not installed$') | default([]) | flatten }}"
  when: ansible_facts.os_family == "RedHat"

- name: "Install packages: {{ packages_to_install }}"
  become: true
  ansible.builtin.dnf:
    name: "{{ packages_to_install }}"
    state: present
  when:
    - packages_to_install | default([]) | length > 0
    - ansible_facts.os_family == "RedHat"

- name: "Install packages: {{ packages_list }}"
  become: true
  ansible.builtin.package:
    name: "{{ packages_list }}"
    state: present
  when:
    - packages_list | default([]) | length > 0
    - ansible_facts.os_family == "Debian"