- name: apply overrides to current group
  set_fact:
    group: "{{ {}|combine(defaultgroup, currentgroup.value|d({}), {'name': currentgroup.key} ) }}"

- name: create groups
  group:
    name: "{{ group.name }}"
    system: "{{ group.system }}"
    state: "{{ group.state }}"
    gid: "{{ group.gid|d(omit) }}"