---

- name: Install APT keys
  apt_key:
    data: '{{ item.data | default(omit) }}'
    file: '{{ item.file | default(omit) }}'
    id: '{{ item.id | default(omit) }}'
    keyserver: '{{ item.keyserver | default(omit) }}'
    state: '{{ item.state | default("present") }}'
    url: '{{ item.url | default(omit) }}'
  with_items: '{{ apt_keys }}'
  register: apt_keys_task

- name: Add APT repositories
  apt_repository:
    codename: '{{ item.codename | default(omit) }}'
    repo: '{{ item.repo }}'
    state: '{{ item.state | default("present") }}'
    update_cache: "no"
  with_items: '{{ apt_repos }}'
  register: apt_repos_task

- name: Update cache
  apt:
    update_cache: yes
  when: apt_keys_task.changed or apt_repos_task.changed

- name: Install APT packages
  apt:
    cache_valid_time: '{{ apt_refresh_interval }}'
    deb: '{{ item.deb | default(omit) }}'
    default_release: '{{ item.default_release | default(omit) }}'
    force: '{{ item.force | default("no") }}'
    install_recommends: '{{ item.install_recommends | default(omit) }}'
    name: '{{ item.name }}'
    purge: '{{ item.purge | default("no") }}'
    state: '{{ item.state | default("present") }}'
    upgrade: '{{ item.upgrade | default(omit) }}'
  with_items: '{{ apt_packages }}'

...