sap_ha_pacemaker_cluster: fix vip colo score

This fixes the HANA VIP colocation constraint conditional to always apply
the base score and recalculate only when HANA-VIP resource groups are
present in the definition.

Assigning new values inside blocks/loops does not work (anymore) and
and a namespace object has to be used instead.

Reference: https://jinja.palletsprojects.com/en/latest/templates/#assignments

Author: ja9fuchs

roles/sap_ha_pacemaker_cluster/tasks/construct_vars_vip_constraints_hana.yml

@@ -128,17 +128,17 @@
       {%- endif -%}
 
     ## When in a group, increase the default base score by adding 1000 per resource in the group.
-    __colo_score: >-
+    __colo_score: |-
+      {% set score = namespace(value=sap_ha_pacemaker_cluster_constraint_colo_base_score) %}
       {% if __sap_ha_pacemaker_cluster_resource_groups | length > 0 -%}
         {% for group in __sap_ha_pacemaker_cluster_resource_groups -%}
           {% if group.id == (sap_ha_pacemaker_cluster_vip_group_prefix
             + __sap_ha_pacemaker_cluster_vip_hana_primary_resource_name) -%}
-            {{ (group.resource_ids | length * 1000) + sap_ha_pacemaker_cluster_constraint_colo_base_score }}
+            {% set score.value = (group.resource_ids | length * 1000) + sap_ha_pacemaker_cluster_constraint_colo_base_score %}
           {%- endif %}
         {%- endfor %}
-      {%- else -%}
-        {{ sap_ha_pacemaker_cluster_constraint_colo_base_score }}
       {%- endif %}
+      {{ score.value }}
 
   when:
     - __constraint_colo_vip.resource_follower not in (__sap_ha_pacemaker_cluster_constraints_colocation | map(attribute='resource_follower'))