Add postgresql role

playbooks/filter_plugins/utils.py

@@ -3,6 +3,7 @@ class FilterModule(object):
         return {
             'list_prefix_suffix': self.list_prefix_suffix,
             'list_prefix_path_suffix': self.list_prefix_path_suffix,
+            'postgresql_restart_required': self.postgresql_restart_required,
         }
 
     def list_prefix_suffix(self, values, prefix, suffix):
@@ -17,3 +18,9 @@ class FilterModule(object):
         for value in values:
             result.append(f"{prefix}{value}{suffix}")
         return result
+
+    def postgresql_restart_required(self, results):
+        for result in results:
+            if result.get('restart_required') and result.get('changed'):
+                return True
+        return False