[openstack-dev] [Heat] Convergence-poc status

Murugan, Visnusaran visnusaran.murugan at hp.com
Fri Nov 14 16:04:36 UTC 2014

Hi All,

Latest convergence-poc code is available [1]
Reason for this fork was to avoid constant rebase. Wiki [2] also has been updated to reflect latest changes/deviations. One prominent deviation from convergence-blueprint is that observer and workers are not separate operating system processes, but eventlets under heat-engine.

A sample RandomString template used for verification is also available [3]. Verified for basic CREATE, UPDATE and DELETE operations. We are yet to verify ROLLBACK and CONCURRENT stack operations. Although we have tested using RandomString resource, Code should work for all heat resources.


1.       Delete old resources after a successful update

2.       Failure path for basic operations

We expect the poc completion by early next week.

Graph lookup code is all dumped on stack module and will look out of place and we intend to refactor them.
Please review code and share your thoughts.

[1] https://github.com/anantpatil/heat-convergence-poc
[2] https://wiki.openstack.org/wiki/Heat/ConvergenceDesign
[3] https://github.com/anantpatil/heat-convergence-poc/tree/master/sample-templates

HP Heat Team.

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