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---
- name: Verify docker upgrade targets
  hosts: oo_masters_to_config:oo_nodes_to_upgrade:oo_etcd_to_config
  tasks:
  # Only check if docker upgrade is required if docker_upgrade is not
  # already set to False.
  - include: ../docker/upgrade_check.yml
    when: docker_upgrade is not defined or docker_upgrade | bool and not openshift.common.is_atomic | bool

  # Additional checks for Atomic hosts:

  - name: Determine available Docker
    shell: "rpm -q --queryformat '---\ncurr_version: %{VERSION}\navail_version: \n' docker"
    register: g_atomic_docker_version_result
    when: openshift.common.is_atomic | bool

  - set_fact:
      l_docker_version: "{{ g_atomic_docker_version_result.stdout | from_yaml }}"
    when: openshift.common.is_atomic | bool

  - fail:
      msg: This playbook requires access to Docker 1.12 or later
    when: openshift.common.is_atomic | bool and l_docker_version.avail_version | default(l_docker_version.curr_version, true) | version_compare('1.12','<')