---
# Pass variables to this playbook on the command line (-e):
#
#   project:      the name of the project (role.name)
#
- name: Ensure an ICHP-lookalike project is gone.
  hosts: workstation.lab.example.com
  gather_subset: min
  become: no
  tasks:
    - name: Ensure that the parameters are specified.
      ansible.builtin.assert:
        that:
          - project is defined
        success_msg: "OK, got all parameters, continuing."
        fail_msg: "FATAL: You must specify the name of the project to delete using the \"project\" variable."

    # Get auth info, and test comms.
    - include_role:
        name: check-env
        apply:
          tags:
            - check
      tags:
        - check

    - include_role:
        name: create-ichp-project
        apply:
          tags:
            - delete
      vars:
        role:
          state: absent
          name: "{{ project }}"
      tags:
        - delete
...