---
# input variables:
# - openshift.common.service_type
# - openshift.common.is_containerized
# - docker_upgrade_nuke_images
# - docker_version
# - skip_docker_restart

# We need docker service up to remove all the images, but these services will keep
# trying to re-start and thus re-pull the images we're trying to delete.
- name: Stop containerized services
  service: name={{ item }} state=stopped
  with_items:
    - "{{ openshift.common.service_type }}-master"
    - "{{ openshift.common.service_type }}-master-api"
    - "{{ openshift.common.service_type }}-master-controllers"
    - "{{ openshift.common.service_type }}-node"
    - etcd_container
    - openvswitch
  failed_when: false
  when: openshift.common.is_containerized | bool

- name: Check Docker image count
  shell: "docker images -aq | wc -l"
  register: docker_image_count

- debug: var=docker_image_count.stdout

# TODO(jchaloup): put all docker_upgrade_nuke_images into a block with only one condition
- name: Remove all containers and images
  script: nuke_images.sh
  register: nuke_images_result
  when: docker_upgrade_nuke_images is defined and docker_upgrade_nuke_images | bool

- name: Check Docker image count
  shell: "docker images -aq | wc -l"
  register: docker_image_count
  when: docker_upgrade_nuke_images is defined and docker_upgrade_nuke_images | bool

- debug: var=docker_image_count.stdout
  when: docker_upgrade_nuke_images is defined and docker_upgrade_nuke_images | bool

- service: name=docker state=stopped

- name: Upgrade Docker
  package: name=docker{{ '-' + docker_version }} state=present

- include: restart.yml
  when: not skip_docker_restart | default(False) | bool