---
- name: Pre-flight checks only.
  hosts: workstation.lab.example.com
  gather_subset: min
  become: no
  tasks:
    - include_role:
        name: check-env
      tags: check
    - include_role:
        name: fix-operators
      tags: fix
    - include_role:
        name: remove-operators
      vars:
        - role: "{{ item }}"
      loop: "{{ removed_operators }}"
      tags: prep
...