#!/usr/bin/env ansible-playbook
---
- hosts:
    - debian
    - pve
  roles:
    - prometheus_node_exporter
  vars:
    prometheus__listen_addrs:
      - "{{ infra__addr_v6 }}"
      #- "{{ infra__addr_v4 }}"
    prometheus__smart_enabled: "{{ 'pve' in group_names }}"
...