okd/roles/openshift_version/tasks/main.yml

---
# Determine the openshift_version to configure if none has been specified or set previously.

- set_fact:
    is_containerized: "{{ openshift.common.is_containerized | default(False) | bool }}"

# Block attempts to install origin without specifying some kind of version information.
# This is because the latest tags for origin are usually alpha builds, which should not
# be used by default. Users must indicate what they want.
- fail:
    msg: "Must specify openshift_release or openshift_image_tag in inventory to install origin. (suggestion: add openshift_release=\"1.2\" to inventory)"
  when: is_containerized | bool and openshift.common.deployment_type == 'origin' and openshift_release is not defined and openshift_image_tag is not defined

# Normalize some values that we need in a certain format that might be confusing:
- set_fact:
    openshift_release: "{{ openshift_release[1:] }}"
  when: openshift_release is defined and openshift_release[0] == 'v'

- set_fact:
    openshift_release: "{{ openshift_release | string }}"
  when: openshift_release is defined

- set_fact:
    openshift_image_tag: "{{ 'v' + openshift_image_tag }}"
  when: openshift_image_tag is defined and openshift_image_tag[0] != 'v'

- set_fact:
    openshift_pkg_version: "{{ '-' + openshift_pkg_version }}"
  when: openshift_pkg_version is defined and openshift_pkg_version[0] != '-'

# Make sure we copy this to a fact if given a var:
- set_fact:
    openshift_version: "{{ openshift_version | string }}"
  when: openshift_version is defined

# Protect the installed version by default unless explicitly told not to, or given an
# openshift_version already.
- name: Use openshift.common.version fact as version to configure if already installed
  set_fact:
    openshift_version: "{{ openshift.common.version }}"
  when: openshift.common.version is defined and openshift_version is not defined and openshift_protect_installed_version | bool

- name: Set openshift_version for rpm installation
  include: set_version_rpm.yml
  when: not is_containerized | bool

- name: Set openshift_version for containerized installation
  include: set_version_containerized.yml
  when: is_containerized | bool

# At this point we know openshift_version is set appropriately. Now we set
# openshift_image_tag and openshift_pkg_version, so all roles can always assume
# each of this variables *will* be set correctly and can use them per their
# intended purpose.

- set_fact:
    openshift_image_tag: v{{ openshift_version }}
  when: openshift_image_tag is not defined

- set_fact:
    openshift_pkg_version: -{{ openshift_version }}
  when: openshift_pkg_version is not defined

- fail:
    msg: openshift_version role was unable to set openshift_version
  when: openshift_version is not defined

- fail:
    msg: openshift_version role was unable to set openshift_image_tag
  when: openshift_image_tag is not defined

- fail:
    msg: openshift_version role was unable to set openshift_pkg_version
  when: openshift_pkg_version is not defined

- fail:
    msg: "No OpenShift version available, please ensure your systems are fully registered and have access to appropriate yum repositories."
  when: not is_containerized | bool and openshift_version == '0.0'

# We can't map an openshift_release to full rpm version like we can with containers, make sure
# the rpm version we looked up matches the release requested and error out if not.
- fail:
    msg: "Detected OpenShift version {{ openshift_version }} does not match requested openshift_release {{ openshift_release }}. You may need to adjust your yum repositories, inventory, or run the appropriate OpenShift upgrade playbook."
  when: not is_containerized | bool and openshift_release is defined and not openshift_version.startswith(openshift_release) | bool

# The end result of these three variables is quite important so make sure they are displayed and logged:
- debug: var=openshift_release

- debug: var=openshift_image_tag

- debug: var=openshift_pkg_version