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Fixing bugs with {changed,failed}_when and until with registered vars

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* Saving of the registered variable was occuring after the tests for
  changed/failed_when.
* Each of the above fields and until were being post_validated too early,
  so variables which were not defined at that time were causing task
  failures.

Fixes #13591
This commit is contained in:
James Cammarata 2015-12-18 10:58:55 -05:00
parent 1debc2da44
commit a3dcb910b8
2 changed files with 26 additions and 6 deletions
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11
lib/ansible/executor/task_executor.py
View file

@ -387,7 +387,6 @@ class TaskExecutor:
# make a copy of the job vars here, in case we need to update them
# with the registered variable value later on when testing conditions
#vars_copy = variables.copy()
vars_copy = variables.copy()
display.debug("starting attempt loop")
@ -404,6 +403,11 @@ class TaskExecutor:
return dict(unreachable=True, msg=to_unicode(e))
display.debug("handler run complete")
# update the local copy of vars with the registered value, if specified,
# or any facts which may have been generated by the module execution
if self._task.register:
vars_copy[self._task.register] = result
if self._task.async > 0:
# the async_wrapper module returns dumped JSON via its stdout
# response, so we parse it here and replace the result
@ -433,11 +437,6 @@ class TaskExecutor:
return failed_when_result
return False
# update the local copy of vars with the registered value, if specified,
# or any facts which may have been generated by the module execution
if self._task.register:
vars_copy[self._task.register] = result
if 'ansible_facts' in result:
vars_copy.update(result['ansible_facts'])

21
lib/ansible/playbook/task.py
View file

@ -260,6 +260,27 @@ class Task(Base, Conditional, Taggable, Become):
break
return templar.template(value, convert_bare=True)
def _post_validate_changed_when(self, attr, value, templar):
'''
changed_when is evaluated after the execution of the task is complete,
and should not be templated during the regular post_validate step.
'''
return value
def _post_validate_failed_when(self, attr, value, templar):
'''
failed_when is evaluated after the execution of the task is complete,
and should not be templated during the regular post_validate step.
'''
return value
def _post_validate_until(self, attr, value, templar):
'''
until is evaluated after the execution of the task is complete,
and should not be templated during the regular post_validate step.
'''
return value
def get_vars(self):
all_vars = dict()
if self._block: