meta: clear_facts

draft implementation

lib/ansible/plugins/strategy/__init__.py

@@ -656,6 +656,9 @@ class StrategyBase:
             self.run_handlers(iterator, play_context)
         elif meta_action == 'refresh_inventory':
             self._inventory.refresh_inventory()
+        elif meta_action == 'clear_facts':
+            for host in iterator._host_states:
+                self._variable_manager.clear_facts(host)
         #elif meta_action == 'reset_connection':
         #    connection_info.connection.close()
         elif meta_action == 'clear_host_errors':

lib/ansible/vars/__init__.py

@@ -566,6 +566,13 @@ class VariableManager:
         else:
             return dict()
 
+    def clear_facts(self, hostname):
+        '''
+        Clears the facts for a host
+        '''
+        if hostname in self._fact_cache:
+            del self._fact_cache[hostname]
+
     def set_host_facts(self, host, facts):
         '''
         Sets or updates the given facts for a host in the fact cache.