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---
# This snippet determines if a Docker upgrade is required by checking the inventory
# variables, the available packages, and sets l_docker_upgrade to True if so.
- set_fact:
docker_upgrade: True
when: docker_upgrade is not defined
- name: Check if Docker is installed
command: rpm -q docker
args:
warn: no
register: pkg_check
failed_when: pkg_check.rc > 1
changed_when: no
- name: Get current version of Docker
command: "{{ repoquery_installed }} --qf '%{version}' docker"
register: curr_docker_version
retries: 4
until: curr_docker_version is succeeded
changed_when: false
when: not openshift_is_atomic | bool
- name: Get latest available version of Docker
command: >
{{ repoquery_cmd }} --qf '%{version}' "docker"
register: avail_docker_version
retries: 4
until: avail_docker_version is succeeded
# Don't expect docker rpm to be available on hosts that don't already have it installed:
when:
- not openshift_is_atomic | bool
- pkg_check.rc == 0
failed_when: false
changed_when: false
- fail:
msg: This playbook requires access to Docker 1.12 or later
# Disable the 1.12 requirement if the user set a specific Docker version
when:
- not openshift_is_atomic | bool
- docker_version is not defined
- docker_upgrade is not defined or docker_upgrade | bool == True
- (pkg_check.rc == 0 and (avail_docker_version.stdout == "" or avail_docker_version.stdout is version_compare('1.12','<')))
# Default l_docker_upgrade to False, we'll set to True if an upgrade is required:
- set_fact:
l_docker_upgrade: False
# Make sure a docker_version is set if none was requested:
- set_fact:
docker_version: "{{ avail_docker_version.stdout }}"
when:
- not openshift_is_atomic | bool
- pkg_check.rc == 0 and docker_version is not defined
- name: Flag for Docker upgrade if necessary
set_fact:
l_docker_upgrade: True
when:
- not openshift_is_atomic | bool
- pkg_check.rc == 0
- curr_docker_version.stdout is version_compare(docker_version,'<')
# 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_is_atomic | bool
- set_fact:
l_docker_version: "{{ g_atomic_docker_version_result.stdout | from_yaml }}"
when: openshift_is_atomic | bool
- fail:
msg: This playbook requires access to Docker 1.12 or later
when:
- openshift_is_atomic | bool
- l_docker_version.avail_version | default(l_docker_version.curr_version, true) is version_compare('1.12','<')
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