Add podman version detection and yum cache

Change-Id: Id9095c67f0a5f3f11c02f932ef432a6046b32b8a

roles/undercloud-deploy/tasks/main.yml

@@ -4,6 +4,25 @@
     gather_subset: "!min,distribution"
   when: ansible_distribution is not defined
 
+- name: Run podman --version
+  command: podman --version
+  ignore_errors: true
+  register: podman_ver
+  tags:
+    - undercloud-install
+
+
+- name: Set fact for podman version
+  set_fact:
+    podman_version: >-
+      {%- if podman_ver is success -%}
+      {{ podman_ver.stdout | replace("podman version ", "") }}
+      {%- else -%}0.0
+      {%- endif -%}
+  tags:
+    - undercloud-install
+
+
 - include: novajoin_prep.yml
   when: enable_tls_everywhere|bool and prepare_novajoin|bool
   tags:

roles/undercloud-deploy/templates/containers-prepare-parameter.yaml.j2

@@ -11,6 +11,9 @@ parameter_defaults:
     modify_vars:
       tasks_from: yum_update.yml
       yum_repos_dir_path: /etc/yum.repos.d
+{% if release not in ['pike','queens','rocky','stein'] and podman_version is version('1.5.0', '>=') %}
+      yum_cache: /var/tmp/tripleo-container-image-prepare-cache
+{% endif %}
       update_repo: "{{ update_containers_repo }}"
 {% if  release not in ['newton', 'ocata', 'pike', 'queens', 'rocky'] %}
       container_build_tool: buildah