cinder.flow_utils module¶
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class
CinderTask
(addons=None, **kwargs)¶ Bases:
taskflow.task.Task
The root task class for all cinder tasks.
It automatically names the given task using the module and class that implement the given task as the task name.
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classmethod
make_name
(addons=None)¶
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classmethod
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class
DynamicLogListener
(engine, task_listen_for=('*', ), flow_listen_for=('*', ), retry_listen_for=('*', ), logger=<KeywordArgumentAdapter cinder.flow_utils (WARNING)>)¶ Bases:
taskflow.listeners.logging.DynamicLoggingListener
This is used to attach to taskflow engines while they are running.
It provides a bunch of useful features that expose the actions happening inside a taskflow engine, which can be useful for developers for debugging, for operations folks for monitoring and tracking of the resource actions and more…
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class
SpecialFormatter
(engine)¶ Bases:
taskflow.formatters.FailureFormatter
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format
(fail, atom_matcher)¶ Returns a (exc_info, details) tuple about the failure.
The
exc_info
tuple should be a standard three element (exctype, value, traceback) tuple that will be used for further logging. A non-empty string is typically returned fordetails
; it should contain any string info about the failure (with any specific details theexc_info
may not have/contain).
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