okd/roles/openshift_cloud_provider/tasks/gce.yml

# Work around ini_file create option in 2.2 which defaults to no
- name: Create cloud config file
  file:
    dest: "{{ openshift.common.config_base }}/cloudprovider/gce.conf"
    state: touch
    mode: 0660
    owner: root
    group: root
  changed_when: false

- name: Configure GCE cloud provider
  ini_file:
    dest: "{{ openshift.common.config_base }}/cloudprovider/gce.conf"
    section: Global
    option: multizone
    value: "true"