Make AnsibleActionDone a private exception

We're going to remove this in the future so mark it private so people
are less likely to use it.

lib/ansible/errors/__init__.py

@@ -254,6 +254,7 @@ class AnsibleFileNotFound(AnsibleRuntimeError):
 
 # These Exceptions are temporary, using them as flow control until we can get a better solution.
 # DO NOT USE as they will probably be removed soon.
+# We will port the action modules in our tree to use a context manager instead.
 class AnsibleAction(AnsibleRuntimeError):
     ''' Base Exception for Action plugin flow control '''
 
@@ -284,6 +285,6 @@ class AnsibleActionFail(AnsibleAction):
         self.result.update({'failed': True, 'msg': message})
 
 
-class AnsibleActionDone(AnsibleAction):
+class _AnsibleActionDone(AnsibleAction):
     ''' an action runtime early exit'''
     pass

lib/ansible/plugins/action/assemble.py

@@ -26,7 +26,7 @@ import re
 import tempfile
 
 from ansible import constants as C
-from ansible.errors import AnsibleError, AnsibleAction, AnsibleActionDone, AnsibleActionFail
+from ansible.errors import AnsibleError, AnsibleAction, _AnsibleActionDone, AnsibleActionFail
 from ansible.module_utils._text import to_native, to_text
 from ansible.module_utils.parsing.convert_bool import boolean
 from ansible.plugins.action import ActionBase
@@ -105,7 +105,7 @@ class ActionModule(ActionBase):
 
             if boolean(remote_src, strict=False):
                 result.update(self._execute_module(tmp=tmp, task_vars=task_vars))
-                raise AnsibleActionDone()
+                raise _AnsibleActionDone()
             else:
                 try:
                     src = self._find_needle('files', src)

lib/ansible/plugins/action/patch.py

@@ -20,7 +20,7 @@ __metaclass__ = type
 
 import os
 
-from ansible.errors import AnsibleError, AnsibleAction, AnsibleActionDone, AnsibleActionFail
+from ansible.errors import AnsibleError, AnsibleAction, _AnsibleActionDone, AnsibleActionFail
 from ansible.module_utils._text import to_native
 from ansible.module_utils.parsing.convert_bool import boolean
 from ansible.plugins.action import ActionBase
@@ -47,7 +47,7 @@ class ActionModule(ActionBase):
             elif remote_src:
                 # everything is remote, so we just execute the module
                 # without changing any of the module arguments
-                raise AnsibleActionDone(result=self._execute_module(task_vars=task_vars))
+                raise _AnsibleActionDone(result=self._execute_module(task_vars=task_vars))
 
             try:
                 src = self._find_needle('files', src)

lib/ansible/plugins/action/script.py

@@ -21,7 +21,7 @@ import os
 import re
 import shlex
 
-from ansible.errors import AnsibleError, AnsibleAction, AnsibleActionDone, AnsibleActionFail, AnsibleActionSkip
+from ansible.errors import AnsibleError, AnsibleAction, _AnsibleActionDone, AnsibleActionFail, AnsibleActionSkip
 from ansible.module_utils._text import to_bytes, to_native, to_text
 from ansible.plugins.action import ActionBase
 from ansible.plugins.shell.powershell import exec_wrapper
@@ -112,7 +112,7 @@ class ActionModule(ActionBase):
                 script_cmd = ' '.join([env_string, target_command])
 
             if self._play_context.check_mode:
-                raise AnsibleActionDone()
+                raise _AnsibleActionDone()
 
             script_cmd = self._connection._shell.wrap_for_exec(script_cmd)