---
- name: Docker Image Pre-Pull
  hosts: nodes
  vars:
    ose_tag: v3.9.15
    images:
      - ose-ansible
      - ose-cluster-capacity
      - ose-deployer
      - ose-docker-builder
      - ose-docker-registry
      - ose-haproxy-router
      - ose-pod
      - ose
      - node
    registry_prefix: registry.access.redhat.com/openshift3/
  tasks:
    - docker_image:
        name: "{{ registry_prefix }}{{ item }}"
        tag: "{{ ose_tag }}"
      with_items: "{{ images }}"
...
