okd/roles/openshift_manage_node/tasks/main.yml

- name: Handle unscheduleable node
  delegate_to: "{{ openshift_first_master }}"
  command: >
    {{ openshift.common.admin_binary }} manage-node {{ item }} --schedulable=false
  with_items: openshift_unscheduleable_nodes

- name: Handle scheduleable node
  delegate_to: "{{ openshift_first_master }}"
  command: >
    {{ openshift.common.admin_binary }} manage-node {{ item }} --schedulable=true
  with_items: openshift_scheduleable_nodes