remove extra fields from debug output

fixes #35493

updated tests

lib/ansible/plugins/callback/__init__.py

@@ -55,7 +55,6 @@ class CallbackBase(AnsiblePlugin):
     '''
 
     def __init__(self, display=None, options=None):
-
         if display:
             self._display = display
         else:
@@ -78,6 +77,8 @@ class CallbackBase(AnsiblePlugin):
         if options is not None:
             self.set_options(options)
 
+        self._hide_in_debug = ('changed', 'failed', 'item', 'skipped', 'invocation')
+
     ''' helper for callbacks, so they don't all have to include deepcopy '''
     _copy_result = deepcopy
 
@@ -236,7 +237,8 @@ class CallbackBase(AnsiblePlugin):
     def _clean_results(self, result, task_name):
         ''' removes data from results for display '''
         if task_name in ['debug']:
-            result.pop('invocation', None)
+            for hideme in self._hide_in_debug:
+                result.pop(hideme, None)
 
     def set_play_context(self, play_context):
         pass

lib/ansible/plugins/callback/default.py

@@ -68,7 +68,6 @@ class CallbackModule(CallbackBase):
     def v2_runner_on_ok(self, result):
 
         delegated_vars = result._result.get('_ansible_delegated_vars', None)
-        self._clean_results(result._result, result._task.action)
 
         if self._play.strategy == 'free' and self._last_task_banner != result._task._uuid:
             self._print_task_banner(result._task)
@@ -93,10 +92,9 @@ class CallbackModule(CallbackBase):
         if result._task.loop and 'results' in result._result:
             self._process_items(result)
         else:
+            self._clean_results(result._result, result._task.action)
 
             if (self._display.verbosity > 0 or '_ansible_verbose_always' in result._result) and '_ansible_verbose_override' not in result._result:
-                if result._task.action == 'debug' and 'changed' in result._result:
-                    del result._result['changed']
                 msg += " => %s" % (self._dump_results(result._result),)
             self._display.display(msg, color=color)
 

test/units/plugins/callback/test_callback.py

@@ -81,7 +81,7 @@ class TestCallbackResults(unittest.TestCase):
         self.assertTrue('a' in result)
         self.assertTrue('b' in result)
         self.assertFalse('invocation' in result)
-        self.assertTrue('changed' in result)
+        self.assertFalse('changed' in result)
 
     def test_clean_results_debug_task_no_invocation(self):
         cb = CallbackBase()
@@ -93,7 +93,7 @@ class TestCallbackResults(unittest.TestCase):
         cb._clean_results(result, 'debug')
         self.assertTrue('a' in result)
         self.assertTrue('b' in result)
-        self.assertTrue('changed' in result)
+        self.assertFalse('changed' in result)
         self.assertFalse('invocation' in result)
 
     def test_clean_results_debug_task_empty_results(self):