Add legacy fact setting

When we disable inject facts by default, there were some additional
roles that we missed (ipaclient).  We can just set the legacy facts to
prevent issues with missing distribution var updates.

Change-Id: Ib488a6573c035fc8288a4b24461af56d40416c5d
Related-Bug: #1919064
(cherry picked from commit d8408ebb86)

common/deploy-steps-playbooks-common.yaml

@@ -18,6 +18,15 @@
   any_errors_fatal: true
   ignore_unreachable: false
   become: false
+  tasks:
+    - name: Set legacy facts
+      set_fact:
+        ansible_distribution: "{{ ansible_facts['distribution'] }}"
+        ansible_distribution_major_version: "{{ ansible_facts['distribution_major_version'] }}"
+        ansible_distribution_release: "{{ ansible_facts['distribution_release'] }}"
+        ansible_distribution_version: "{{ ansible_facts['distribution_version'] }}"
+        ansible_os_family: "{{ ansible_facts['os_family'] }}"
+
   tags:
     - facts
 
@@ -31,6 +40,14 @@
   # we will simply ignore unreachable nodes and errors, and let the
   # Ansible reports the failure in the next plays.
   ignore_unreachable: true
+  tasks:
+    - name: Set legacy facts
+      set_fact:
+        ansible_distribution: "{{ ansible_facts['distribution'] }}"
+        ansible_distribution_major_version: "{{ ansible_facts['distribution_major_version'] }}"
+        ansible_distribution_release: "{{ ansible_facts['distribution_release'] }}"
+        ansible_distribution_version: "{{ ansible_facts['distribution_version'] }}"
+        ansible_os_family: "{{ ansible_facts['os_family'] }}"
   tags:
     - facts