Lightweight Stack loading for convergence

Registered by Zane Bitter on 2015-01-27

 - Allow a Stack to supply the cached results of get_resource and get_attr without loading all of the resources
 - Ideally just by making everything in heat.engine.stack.Stack lazily-loaded, but could also be a subclass if neccessary

Blueprint information

Status:
Complete
Approver:
Zane Bitter
Priority:
Medium
Drafter:
Zane Bitter
Direction:
Approved
Assignee:
Sirushti Murugesan
Definition:
Approved
Series goal:
Accepted for liberty
Implementation:
Implemented
Milestone target:
milestone icon 5.0.0
Started by
Angus Salkeld on 2015-03-06
Completed by
Thomas Herve on 2015-06-05

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Gerrit topic: https://review.openstack.org/#q,topic:bp/convergence-lightweight-stack,n,z

Addressed by: https://review.openstack.org/159774
    Convergence: Use cached values when resolving template functions

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