Remove auto-added invocation return value as it is not used by v2 and could leak sensitive data.

lib/ansible/plugins/action/__init__.py

@@ -441,13 +441,6 @@ class ActionBase:
         if 'stdout' in data and 'stdout_lines' not in data:
             data['stdout_lines'] = data.get('stdout', u'').splitlines()
 
-        # store the module invocation details back into the result
-        if self._task.async != 0:
-            data['invocation'] = dict(
-                module_args = module_args,
-                module_name = module_name,
-            )
-
         self._display.debug("done with _execute_module (%s, %s)" % (module_name, module_args))
         return data
 

lib/ansible/plugins/callback/log_plays.py

@@ -54,10 +54,7 @@ class CallbackModule(CallbackBase):
                 data = 'omitted'
             else:
                 data = data.copy()
-                invocation = data.pop('invocation', None)
                 data = json.dumps(data)
-                if invocation is not None:
-                    data = json.dumps(invocation) + " => %s " % data
 
         path = os.path.join("/var/log/ansible/hosts", host)
         now = time.strftime(self.TIME_FORMAT, time.localtime())