[Openstack] [Orchestration] Blueprint for transactional task management

Joshua Harlow harlowja at yahoo-inc.com
Wed Dec 21 21:55:59 UTC 2011

It would be great to see if there could somehow be a "merge" between all the different related orchestration/transaction blueprints to come out with the best one...
Seems like there are lots of ideas around this.
Maybe there is a need for a "super blueprint"?

On 12/21/11 1:39 PM, "Yun Mao" <yunmao at gmail.com> wrote:


I have registered a blueprint for HA task management


Tasks in Nova such as launching instances are complicated and error
prone. Currently there is no systematic, reusable way to keep track of
the distributed task executions. There is also no mechanism to know
which tasks are currently using what resources. Task management is
implicitly assumed to be VM state management. This blueprint proposes
to build a highly available service to offer first-class APIs to task
and resource lock management.

It is very much work in progress but I finally have some time to write
it down and start coding on it. Comments are very welcome. Thanks,


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