okd/roles/openshift_docker/tasks/main.yml

---
# It's important that we don't explicitly pull this image here.  Otherwise we
# could result in upgrading a preinstalled environment.  We'll have to set
# openshift_image_tag correctly for upgrades.
- set_fact:
    is_containerized: "{{ openshift.common.is_containerized | default(False) | bool }}"

# If no openshift_version provided, figure out what to use:
# TODO: May want to move this to another role.
- name: Lookup latest OpenShift version if none specified
  command: >
    docker run --rm {{ openshift.common.cli_image }}:latest version
  register: cli_image_version
  when: is_containerized | bool and openshift_version is not defined

- debug: var=cli_image_version

- set_fact:
    openshift_version: "{{ cli_image_version.stdout_lines[0].split(' ')[1].split('-')[0:2][1:] | join('-') if openshift.common.deployment_type == 'origin' else cli_image_version.stdout_lines[0].split(' ')[1].split('-')[0][1:] }}"
  when: is_containerized | bool and openshift_version is not defined

- debug: var=openshift_version