Use list_concat_unique instead of yaql

These tasks are already filtered per service.

Change-Id: Ib868c110f8d32619762333e1dda3ddc2b007148a

common/deploy-steps.j2

@@ -264,65 +264,50 @@ resources:
     properties:
       type: comma_delimited_list
       value:
-        yaql:
+        list_concat_unique:
-          # processing from per-role unique tasks into globally unique tasks
+        {%- for role in enabled_roles %}
-          expression: coalesce($.data, []).flatten().distinct()
+          - get_param: [role_data, {{role.name}}, external_deploy_tasks]
-          data:
+        {%- endfor %}
-          {%- for role in enabled_roles %}
-            - get_param: [role_data, {{role.name}}, external_deploy_tasks]
-          {%- endfor %}
 
   ExternalPostDeployTasks:
     type: OS::Heat::Value
     properties:
       type: comma_delimited_list
       value:
-        yaql:
+        list_concat_unique:
-          # processing from per-role unique tasks into globally unique tasks
+        {%- for role in enabled_roles %}
-          expression: coalesce($.data, []).flatten().distinct()
+          - get_param: [role_data, {{role.name}}, external_post_deploy_tasks]
-          data:
+        {%- endfor %}
-          {%- for role in enabled_roles %}
-            - get_param: [role_data, {{role.name}}, external_post_deploy_tasks]
-          {%- endfor %}
 
   ScaleTasks:
     type: OS::Heat::Value
     properties:
       type: comma_delimited_list
       value:
-        yaql:
+        list_concat_unique:
-          # processing from per-role unique tasks into globally unique tasks
+        {%- for role in enabled_roles %}
-          expression: coalesce($.data, []).flatten().distinct()
+          - get_param: [role_data, {{role.name}}, scale_tasks]
-          data:
+        {%- endfor %}
-          {%- for role in enabled_roles %}
-            - get_param: [role_data, {{role.name}}, scale_tasks]
-          {%- endfor %}
 
   ExternalUpdateTasks:
     type: OS::Heat::Value
     properties:
       type: comma_delimited_list
       value:
-        yaql:
+        list_concat_unique:
-          # processing from per-role unique tasks into globally unique tasks
+        {%- for role in enabled_roles %}
-          expression: coalesce($.data, []).flatten().distinct()
+          - get_param: [role_data, {{role.name}}, external_update_tasks]
-          data:
+        {%- endfor %}
-          {%- for role in enabled_roles %}
-            - get_param: [role_data, {{role.name}}, external_update_tasks]
-          {%- endfor %}
 
   ExternalUpgradeTasks:
     type: OS::Heat::Value
     properties:
       type: comma_delimited_list
       value:
-        yaql:
+        list_concat_unique:
-          # processing from per-role unique tasks into globally unique tasks
+        {%- for role in enabled_roles %}
-          expression: coalesce($.data, []).flatten().distinct()
+          - get_param: [role_data, {{role.name}}, external_upgrade_tasks]
-          data:
+        {%- endfor %}
-          {%- for role in enabled_roles %}
-            - get_param: [role_data, {{role.name}}, external_upgrade_tasks]
-          {%- endfor %}
 
   BootstrapServerId:
     type: OS::Heat::Value