---
- import_playbook: playbook_ssh_known_host.yml
- name: Configure Rapid7
  hosts:
    - all
  gather_facts: yes
  pre_tasks:
    - name: Gather hardware facts
      setup:
        gather_subset:
          - hardware
  roles:
    - {role: iptables, when: ansible_facts.os_family == "RedHat", tags: ["iptables"], become: true, become_method: sudo}
    - {role: rapid7, when: ansible_facts.os_family == "RedHat", tags : ["rapid7"], become: true, become_method: sudo}
    
...