---
- 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: deploy-operator
      tags: prep
      loop: "{{ operators }}"
      loop_control:
        loop_var: op
        label: "{{ op.op_pkg }}"
    - include_role:
        name: clean-cluster
      tags: cluster
...