kubespray/roles/vault/tasks/shared/gen_userpass.yml

---
- name: shared/gen_userpass | Create the Username/Password combo for the role
  uri:
    url: "{{ hostvars[groups.vault|first]['vault_leader_url'] }}/v1/auth/userpass/users/{{ gen_userpass_username }}"
    headers: "{{ hostvars[groups.vault|first]['vault_headers'] }}"
    method: POST
    body_format: json
    body:
      username: "{{ gen_userpass_username }}"
      password: "{{ gen_userpass_password }}"
      policies: "{{ gen_userpass_role }}"
    status_code: 204
  delegate_to: "{{ groups.vault|first }}"
  run_once: true

- name: shared/gen_userpass | Ensure destination directory exists
  file:
    path: "{{ vault_roles_dir }}/{{ gen_userpass_role }}"
    state: directory

- name: shared/gen_userpass | Copy credentials to all hosts in the group
  copy:
    content: >
             {{
             {'username': gen_userpass_username,
              'password': gen_userpass_password} | to_nice_json(indent=4)
             }}             
    dest: "{{ vault_roles_dir }}/{{ gen_userpass_role }}/userpass"