- name: Install rngd
  apt:
    name: rng-tools
    state: present
    force_apt_get: yes

- name: Configure rngd [1/2]
  lineinfile:
    path: /etc/default/rng-tools
    line: '{{ item.key }}={{ item.value }}'
    regexp: '^#?{{ item.key }}='
  with_dict: '{{ rngd_config }}'
  loop_control:
    label: "{{ item.key }}"
  notify: restart rngd

- name: Configure rngd [2/2]
  lineinfile:
    path: /etc/default/rng-tools
    regexp: '^{{ item.key }}=(?!{{ item.value }})'
    state: absent
  with_dict: '{{ rngd_config }}'
  loop_control:
    label: "{{ item.key }}"
  notify: restart rngd