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---
# This snippet determines if docker_upgrade should be set for the host. If it's already
# set via the inventory we will respect it. Otherwise we check if the current version
# is equal to the either the latest, or the requested docker_version, and set
# docker_upgrade accordingly.
- name: Determine available Docker version
script: ../../../../common/openshift-cluster/upgrades/files/rpm_versions.sh docker
register: g_docker_version_result
- name: Check if Docker is installed
command: rpm -q docker
register: pkg_check
failed_when: pkg_check.rc > 1
changed_when: no
- name: Get current version of Docker
command: "{{ repoquery_cmd }} --installed --qf '%{version}' docker"
register: curr_docker_version
changed_when: false
- name: Get latest available version of Docker
command: >
{{ repoquery_cmd }} --qf '%{version}' "docker"
register: avail_docker_version
failed_when: false
changed_when: false
- fail:
msg: This playbook requires access to Docker 1.10 or later
# Disable the 1.10 requirement if the user set a specific Docker version
when: avail_docker_version.stdout | version_compare('1.10','<') and docker_version is not defined
# We respect docker_upgrade=False in the inventory, but True is the default and
# if set in inventory, we still flip it to False here and only set to true if
# they're not already running the required version.
- set_fact:
docker_upgrade: False
when: docker_upgrade is not defined or docker_upgrade | bool
# Make sure a docker_verison is set if none was requested:
- set_fact:
docker_version: avail_docker_version.stdout
when: docker_version is not defined
- name: Flag for Docker upgrade if necessary
set_fact:
docker_upgrade: True
when: docker_version is defined and pkg_check.rc == 0 and curr_docker_version.stdout | version_compare(docker_version,'<')
- name: Flag to delete all images prior to upgrade if crossing Docker 1.10 boundary
set_fact:
docker_upgrade_nuke_images: True
when: docker_upgrade_nuke_images is not defined and docker_upgrade | bool and curr_docker_version.stdout | version_compare('1.10','<') and docker_version | version_compare('1.10','>=')
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