Using Ansible with_subelements

tasks.yml

---

# Create the user accounts.
- name: create the user accounts
  user:
    name: '{{ item.username }}'
    state: present
    shell: '{{ item.shell }}'
    groups: sudo
    generate_ssh_key: yes
  with_items:
    - '{{ users }}'
  tags:
    - common
    - users

# Add the authorized keys to the user accounts.
- name: add ~/.ssh/authorized_keys file for the user accounts
  authorized_key:
    user: '{{ item.0.username }}'
    key: "{{ item.1 }}"
  with_subelements:
    - '{{ users }}'
    - authorized_keys
  tags:
    - common
    - users

vars.yml

---

# Users
users:

  - username: myles
    shell: /bin/bash
    authorized_keys:
      - "{{ lookup('file', 'ssh_keys/myles_laptop.pub') }}"
      - "{{ lookup('file', 'ssh_keys/myles_ipad.pub') }}"
      - "{{ lookup('file', 'ssh_keys/myles_iphone.pub') }}"

  - username: scott
    shell: /bin/bash
    authorized_keys:
      - "{{ lookup('file', 'ssh_keys/scott_laptop.pub') }}"
      - "{{ lookup('file', 'ssh_keys/scott_tablet.pub') }}"
      - "{{ lookup('file', 'ssh_keys/scott_phone.pub') }}"
      - "{{ lookup('file', 'ssh_keys/scott_server.pub') }}"