python -c "from passlib.hash import sha512_crypt; print sha512_crypt.encrypt('somepassword')"

---
vault_appadmin_password: $6$rounds=656000$jx.GAgbpfoUS2Iry$apQoWdHFrDujWeEA5I9iHDR5hiVzfDsa2.FtwD8YKNRhzmc8Gc0BTrscyncqW5B2FSsx1ebTpmvV3JrC3vcEs1

---
# User that will run sudo commands
- name: Add Admin User
  user:
    name: "{{ admin_username }}"
    groups: sudo
    password: "{{ admin_password }}"
    shell: /bin/bash

# User that will be using our application
- name: Add Application User
  user:
    name: "{{ appuser_username }}"
    password: "{{ appuser_password }}"
    groups: sudo
    shell: /bin/bash
    generate_ssh_key: yes
    ssh_key_bits: 4096

- name: Enable Remote (person) Access to Admin
  authorized_key:
    user: "{{ admin_username }}"
    key: "{{ local_authorized_key }}"
    path: "/home/{{ admin_username }}/.ssh/authorized_keys"

- name: Enable Remote (Person) Access to Appuser
  authorized_key:
    user: "{{ appuser_username }}"
    key: "{{ local_authorized_key }}"
    path: "/home/{{ appuser_username }}/.ssh/authorized_keys"

ansible-playbook --private-key=~/.ssh/id_rsa -i hosts playbook.yml --limit=staging