okd/roles/openshift_docker_facts/tasks/main.yml

---
- name: Set docker facts
  openshift_facts:
    role: "{{ item.role }}"
    local_facts: "{{ item.local_facts }}"
  with_items:
  - role: docker
    local_facts:
      additional_registries: "{{ openshift_docker_additional_registries | default(None) }}"
      blocked_registries: "{{ openshift_docker_blocked_registries | default(None) }}"
      insecure_registries: "{{ openshift_docker_insecure_registries | default(None) }}"
      log_driver:  "{{ openshift_docker_log_driver | default(None) }}"
      log_options: "{{ openshift_docker_log_options | default(None) }}"
      options: "{{ openshift_docker_options | default(None) }}"
      disable_push_dockerhub: "{{ openshift_disable_push_dockerhub | default(None) }}"
      hosted_registry_insecure: "{{ openshift_docker_hosted_registry_insecure | default(None) }}"
      hosted_registry_network: "{{ openshift_docker_hosted_registry_network | default(None) }}"

- set_fact:
    docker_additional_registries: "{{ openshift.docker.additional_registries
                                      | default(omit) }}"
    docker_blocked_registries: "{{ openshift.docker.blocked_registries
                                   | default(omit) }}"
    docker_insecure_registries: "{{ openshift.docker.insecure_registries
                                    | default(omit) }}"
    docker_log_driver: "{{ openshift.docker.log_driver | default(omit) }}"
    docker_log_options: "{{ openshift.docker.log_options | default(omit) }}"
    docker_push_dockerhub: "{{ openshift.docker.disable_push_dockerhub
                               | default(omit) }}"

- set_fact:
    docker_options: >
      --insecure-registry={{ openshift.docker.hosted_registry_network }}
      {{ openshift.docker.options | default ('') }}
  when: openshift.docker.hosted_registry_insecure | default(False) | bool

- set_fact:
    docker_options: "{{ openshift.docker.options | default(omit) }}"
  when: not openshift.docker.hosted_registry_insecure | default(False) | bool

# Avoid docker 1.9 when installing origin < 1.2 or OSE < 3.2 on RHEL/Centos and
# See: https://bugzilla.redhat.com/show_bug.cgi?id=1304038
- name: Gather common package version
  command: >
    {{ repoquery_cmd }} --qf '%{version}' "{{ openshift.common.service_type}}"
  register: common_version
  failed_when: false
  changed_when: false
  when: not openshift.common.is_atomic | bool

- name: Set docker version to be installed
  set_fact:
    docker_version: "{{ '1.8.2' }}"
  when: " ( common_version.stdout | default('0.0', True) | version_compare('3.2','<') and openshift.common.service_type == 'atomic-openshift' ) or
          ( common_version.stdout | default('0.0', True) | version_compare('1.2','<') and openshift.common.service_type == 'origin' )"