users.yml

---
- hosts: localhost
  tasks:
  - name: download user_list.yml
    get_url:
      url: http://files.example.com/user_list.yml
      dest: /home/ansible/files/user_list.yml

- hosts: node1
  become: yes
  vars_files:
    - /home/ansible/files/user_list.yml
  tasks:
  - name: create groups from file
    group: 
      name: "{{ item }}"
    with_items:
      - "{{ user_groups }}"
  - name: create users for each group in staff
    user:
      name: "{{ item }}"
      group: staff
    with_items:
      - "{{ staff }}"
  - name: create users for each group in students
    user:
      name: "{{ item }}"
      group: students
    with_items:
      - "{{ students }}"
  - name: create users for each group in faculty
    user:
      name: "{{ item }}"
      group: faculty
    with_items:
      - "{{ faculty }}"