roles:
    - role: my_role
      vars:
        role_uuid: uuud_1
        first_param: first
    - role: my_role
      vars:
        role_uuid: uuid_2
        second_param: second

tasks:
  - include_role:
      name: my_role
    vars:
      role_uuid: uuud_1
      first_param: first
  - include_role:
      name: my_role
    vars:
      role_uuid: uuud_2
      second_param: second

tasks:
  - include_vars: "{{ role_id }}"
  - debug: msg="{{ role_id }}.first_param [ {{ first_param|default('undefined') }} ]"
  - debug: msg="{{ role_id }}.second_param [ {{ second_param|default('undefined') }} ]"

first_param: 'first'

second_param: 'second'

- hosts: localhost
  tasks:
  - include_role:
      name: my_role
    vars:
      role_id: 'id_1'
  - include_role:
      name: my_role
    vars:
      role_id: 'id_2'

"msg": "id_1.first_param [ first ]"
"msg": "id_1.second_param [ undefined ]"
"msg": "id_2.first_param [ undefined ]"
"msg": "id_2.second_param [ second ]"