6134ff689a1d18a5ff23c3bb3fdcc140680f2387
* save task failures to sqlalchemy backend and restore them
from there;
* for any wrapped exception use common WrappedFailre exception
type, which makes it easier to handle particular exception types;
* several minor improvements.
Affects-db: this change adds db migration that looses exception
information for saved task details.
Change-Id: I575282002e6999646bbf51f492b82a7e3525787a
TaskFlow
A library to do [jobs, tasks, flows] in a HA manner using different backends to be used with OpenStack projects.
- More information at http://wiki.openstack.org/wiki/TaskFlow
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Description