/etc/ansible/playbooks/manage_users.yml
---
- hosts: all
  gather_facts: no
  roles:
    - manage_users
  tags: manage_users

/etc/ansible/roles/manage_users/tasks/main.yml
- name: Add users
  become: yes
  #  user: name={{item.user}} comment={{item.comment}} uid={{item.uid}} password={{item.password}} shell='/bin/bash' groups='sudoers'
  debug: msg={{item.user}} msg={{item.comment}} msg={{item.uid}} msg={{item.password}}
  with_items: "{{adm_users}}"

/etc/ansible/roles/main/variables/main.yml , /etc/ansible/roles/main/vars/main.yml , /etc/ansible/roles/manage_users/group_vars/all
adm_users:
 - { "user" : 'test_user1', "comment" : 'user11', uid: '18109', password: '$HSDHgsadjhwehwshgas' }
 - { "user" : 'test_user2', "comment" : 'user22', uid: '18201', password: '$yeiJKASsadkj338xca' }