Fix passing tags through infrared to the tripleo-upgrade role.

Passing a tags to the tripleo-upgrade role doesn't work as all the
initial set_facts tasks are skipped.

Make sure we always run those set_facts regardless of the tags used by
the user.

Change-Id: I62a2e21fd062e302a03b898730555e2ab7d5a542
Closes-Bug: #1843442
(cherry picked from commit 593afa2337)
(cherry picked from commit 5a41e20937)

infrared_plugin/main.yml

@@ -8,7 +8,7 @@
   become_user: stack
 
   pre_tasks:
-
+    - block:
         - name: Set upgrade workload launch
           set_fact:
             workload_launch: true
@@ -190,5 +190,8 @@
           set_fact:
             nova_actions_check: true
           when: install.upgrade.nova.actions.check
+      tags:
+        - always
+
   roles:
     - tripleo-upgrade