okd/playbooks/openshift-master/private/openshift_node_group.yml

---
- name: Configure node configmap on the master
  hosts: oo_first_master
  gather_facts: no
  roles:
  - role: openshift_facts
  - role: lib_utils
  tasks:
  # node_group_checks is a custom action plugin defined in lib_utils.
  - name: Validate openshift_node_groups and openshift_node_group_name
    node_group_checks: {}
  - name: include openshift node config
    import_role:
      name: openshift_node_group