- hosts: '*'
  gather_facts: false
  roles:
    - facts

# Set up fabric.
- hosts: spine-*
  roles:
    - spine

- hosts: leaf-*
  roles:
    - leaf

- hosts: exit-*
  roles:
    - exit

# Set up access switches.
- hosts: access-*, sw-*
  gather_facts: false
  roles:
    - access

# Set up firewall.
- hosts: fw-*
  roles:
    - firewall