Ensure those two tasks are compatible with t-h-t import

In t-h-t, we call "tasks_from" in order to exclusively call those two
files in different location.
We therefore need to ensure we actually set the right variables, even in
this case.

Change-Id: Ifbccd663373f0e29301810dcc088b83d968f6203
Related-Bug: #1891465

tripleo_ansible/roles/tripleo_podman/tasks/load_vars.yaml

@@ -0,0 +1,32 @@
+---
+# Copyright 2019 Red Hat, Inc.
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+# "tripleo_podman" will search for and load any operating system variable file
+# found within the "vars/" path. If no OS files are found the task will skip.
+# Putting this in a dedicated file allows to just include it wherever is needed.
+# Please check https://bugs.launchpad.net/tripleo/+bug/1891465 for more context.
+- name: Gather variables for each operating system
+  include_vars: "{{ item }}"
+  with_first_found:
+    - skip: true
+      files:
+        - "{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
+        - "{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
+        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
+        - "{{ ansible_distribution | lower }}.yml"
+        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_version.split('.')[0] }}.yml"
+        - "{{ ansible_os_family | lower }}.yml"

tripleo_ansible/roles/tripleo_podman/tasks/main.yml

@@ -14,23 +14,8 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-
-# "tripleo_podman" will search for and load any operating system variable file
-
-# found within the "vars/" path. If no OS files are found the task will skip.
-- name: Gather variables for each operating system
-  include_vars: "{{ item }}"
-  with_first_found:
-    - skip: true
-      files:
-        - "{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
-        - "{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
-        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
-        - "{{ ansible_distribution | lower }}.yml"
-        - "{{ ansible_os_family | lower }}-{{ ansible_distribution_version.split('.')[0] }}.yml"
-        - "{{ ansible_os_family | lower }}.yml"
-  tags:
-    - always
+- name: Load vars
+  import_tasks: load_vars.yaml
 
 - name: Remove docker containers
   import_tasks: tripleo_docker_stop.yml

tripleo_ansible/roles/tripleo_podman/tasks/tripleo_docker_purge.yml

@@ -14,6 +14,10 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+- name: Load vars if needed
+  when: tripleo_podman_purge_packages is undefined or tripleo_podman_purge_packages|length == 0
+  import_tasks: load_vars.yaml
+
 - name: Check if docker has some data
   stat:
     path: /var/lib/docker

tripleo_ansible/roles/tripleo_podman/tasks/tripleo_podman_install.yml

@@ -14,6 +14,9 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+- name: Load vars id needed
+  when: tripleo_podman_packages is undefined or tripleo_podman_packages|length == 0
+  import_tasks: load_vars.yaml
 
 - name: Install block
   become: true