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Provide a way to explicitly invoke the debugger (#34006)

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* Provide a way to explicitly invoke the debugger with in the debug strategy

* Merge the debugger strategy into StrategyBase

* Fix some logic, pin to a single result

* Make redo also continue

* Make sure that if the debug closure doesn't need to process the result, that we still return it

* Fix failing tests for the strategy

* Clean up messages from debugger and exit code to match bin/ansible

* Move the FieldAttribute higher, to apply at different levels

* make debugger a string, expand logic

* Better host state rollbacks

* More explicit debugger prompt

* ENABLE_TASK_DEBUGGER should be boolean, and better docs

* No bare except, add pprint, alias h, vars to task_vars

* _validate_debugger can ignore non-string, that can be caught later

* Address issue if there were no previous tasks/state, and use the correct key

* Update docs for changes to the debugger

* Guard against a stat going negative through use of decrement

* Add a few notes about using the debugger on the free strategy

* Add changelog entry for task debugger

* Add a few versionadded indicators and a note about vars -> task_vars
This commit is contained in:
Matt Martz 2018-01-09 13:50:07 -06:00 • committed by GitHub
commit d1846425db
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9 changed files with 394 additions and 176 deletions
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20
lib/ansible/executor/task_result.py
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@ -64,6 +64,26 @@ class TaskResult:
def is_unreachable(self):
return self._check_key('unreachable')
def needs_debugger(self, globally_enabled=False):
_debugger = self._task_fields.get('debugger')
ret = False
if globally_enabled and (self.is_failed() or self.is_unreachable()):
ret = True
if _debugger in ('always',):
ret = True
elif _debugger in ('never',):
ret = False
elif _debugger in ('on_failed',) and self.is_failed():
ret = True
elif _debugger in ('on_unreachable',) and self.is_unreachable():
ret = True
elif _debugger in('on_skipped',) and self.is_skipped():
ret = True
return ret
def _check_key(self, key):
'''get a specific key from the result or its items'''