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Cleanup failed/changed logic in TaskExecutor

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Fixes #12980
This commit is contained in:
James Cammarata 2015-11-11 14:23:08 -05:00
parent 62979efa14
commit 94c20c9ac6
1 changed files with 36 additions and 42 deletions
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78
lib/ansible/executor/task_executor.py
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@ -373,7 +373,7 @@ class TaskExecutor:
# make a copy of the job vars here, in case we need to update them # 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 # with the registered variable value later on when testing conditions
#vars_copy = variables.copy() #vars_copy = variables.copy()
vars_copy = variables vars_copy = variables.copy()
display.debug("starting attempt loop") display.debug("starting attempt loop")
result = None result = None
@ -400,6 +400,22 @@ class TaskExecutor:
if self._task.poll > 0: if self._task.poll > 0:
result = self._poll_async_result(result=result, templar=templar) result = self._poll_async_result(result=result, templar=templar)
# helper methods for use below in evaluating changed/failed_when
def _evaluate_changed_when_result(result):
if self._task.changed_when is not None:
cond = Conditional(loader=self._loader)
cond.when = [ self._task.changed_when ]
result['changed'] = cond.evaluate_conditional(templar, vars_copy)
def _evaluate_failed_when_result(result):
if self._task.failed_when is not None:
cond = Conditional(loader=self._loader)
cond.when = [ self._task.failed_when ]
failed_when_result = cond.evaluate_conditional(templar, vars_copy)
result['failed_when_result'] = result['failed'] = failed_when_result
return failed_when_result
return False
# update the local copy of vars with the registered value, if specified, # update the local copy of vars with the registered value, if specified,
# or any facts which may have been generated by the module execution # or any facts which may have been generated by the module execution
if self._task.register: if self._task.register:
@ -408,54 +424,32 @@ class TaskExecutor:
if 'ansible_facts' in result: if 'ansible_facts' in result:
vars_copy.update(result['ansible_facts']) vars_copy.update(result['ansible_facts'])
# create a conditional object to evaluate task conditions # set the failed property if the result has a non-zero rc. This will be
cond = Conditional(loader=self._loader) # overridden below if the failed_when property is set
if result.get('rc', 0) != 0:
result['failed'] = True
def _evaluate_changed_when_result(result): # if we didn't skip this task, use the helpers to evaluate the changed/
if self._task.changed_when is not None: # failed_when properties
cond.when = [ self._task.changed_when ] if 'skipped' not in result:
result['changed'] = cond.evaluate_conditional(templar, vars_copy)
def _evaluate_failed_when_result(result):
if self._task.failed_when is not None:
cond.when = [ self._task.failed_when ]
failed_when_result = cond.evaluate_conditional(templar, vars_copy)
result['failed_when_result'] = result['failed'] = failed_when_result
return failed_when_result
return False
if self._task.until:
cond.when = self._task.until
if cond.evaluate_conditional(templar, vars_copy):
_evaluate_changed_when_result(result)
_evaluate_failed_when_result(result)
break
elif (self._task.changed_when is not None or self._task.failed_when is not None) and 'skipped' not in result:
_evaluate_changed_when_result(result)
if _evaluate_failed_when_result(result):
break
elif 'failed' not in result:
if result.get('rc', 0) != 0:
result['failed'] = True
else:
# if the result is not failed, stop trying
break
if attempt < retries - 1:
time.sleep(delay)
else:
_evaluate_changed_when_result(result) _evaluate_changed_when_result(result)
_evaluate_failed_when_result(result) _evaluate_failed_when_result(result)
if attempt < retries - 1:
cond = Conditional(loader=self._loader)
cond.when = self._task.until
if cond.evaluate_conditional(templar, vars_copy):
break
# no conditional check, or it failed, so sleep for the specified time
time.sleep(delay)
elif 'failed' not in result:
break
# do the final update of the local variables here, for both registered # do the final update of the local variables here, for both registered
# values and any facts which may have been created # values and any facts which may have been created
if self._task.register: if self._task.register:
### FIXME:
# If we remove invocation, we should also be removing _ansible*
# and maybe ansible_facts.
# Remove invocation from registered vars
#if 'invocation' in result:
# del result['invocation']
variables[self._task.register] = result variables[self._task.register] = result
if 'ansible_facts' in result: if 'ansible_facts' in result: