#!/usr/bin/env ansible-playbook
---
- hosts:
    - edge-1.rtr.infra.auro.re
    - edge-2.rtr.infra.auro.re
  vars:
    systemd_link__hosts:
      edge-1.rtr.infra.auro.re:
        adm0:
          mac: 02:00:00:9E:3E:21
        crans0:
          mac: 02:00:00:A2:7C:68
        zayo0:
          mac: 02:00:00:35:89:82
        rezel0:
          mac: 02:00:00:8F:4A:AD
        backbone0:
          mac: 02:00:00:1C:3A:2E
        viarezo0:
          mac: 02:00:00:ED:70:64
        router0:
          mac: 02:00:00:5A:17:7C
      edge-2.rtr.infra.auro.re:
        adm0:
          mac: 04:00:00:F5:69:B9
        crans0:
          mac: 04:00:00:CF:E1:D0
        zayo0:
          mac: 04:00:00:67:7B:12
        rezel0:
          mac: 04:00:00:C6:05:B7
        backbone0:
          mac: 04:00:00:DE:22:E6
        viarezo0:
          mac: 04:00:00:45:FA:E6
        router0:
          mac: 04:00:00:AD:D7:71
    systemd_link__links: "{{ systemd_link__hosts[inventory_hostname] }}"
  roles:
    - systemd_link
...