[ffwd3] Idempotency fix for pacemaker and leapp

The system_upgrade can be rerun and if we just blindly stop
pacemaker without restarting it it can cause errors when rerunning.

Change-Id: Ifcf9246bfa040fc672ff270297658fb62dfc3819

deployment/podman/podman-baremetal-ansible.yaml

@@ -223,6 +223,25 @@ outputs:
               pacemaker_cluster: state=offline
               when: pcs_stat.stat.exists
 
+        - name: system_upgrade_prepare step 5
+          tags:
+            - never
+            - system_upgrade
+            - system_upgrade_prepare
+          when:
+            - step|int == 5
+          block:
+            - name: Check if pcs is present
+              stat:
+                path: /usr/sbin/pcs
+              register: pcs_stat
+            - name: Start pacemaker cluster after reboot
+              # NOTE: We are intentionally not using the community version of
+              # pacemaker_cluster here due to variances between the two:
+              # https://bugs.launchpad.net/tripleo/+bug/1938967
+              pacemaker_cluster: state=online
+              when: pcs_stat.stat.exists
+
       update_tasks:
         - name: Force pre-fetch of container images
           when: