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Bug 1041817

Summary: [RFE][glance]: Move image caching into the store rather than a middleware
Product: Red Hat OpenStack Reporter: RHOS Integration <rhos-integ>
Component: RFEsAssignee: RHOS Maint <rhos-maint>
Status: CLOSED UPSTREAM QA Contact:
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: unspecifiedCC: markmc, yeylon
Target Milestone: ---Keywords: FutureFeature
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
URL: https://blueprints.launchpad.net/glance/+spec/refactoring-move-caching-out-of-middleware
Whiteboard: upstream_milestone_none upstream_status_unknown upstream_definition_new
Fixed In Version: Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-03-19 16:50:26 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description RHOS Integration 2013-12-12 19:28:11 UTC
Cloned from launchpad blueprint https://blueprints.launchpad.net/glance/+spec/refactoring-move-caching-out-of-middleware.

Description:

Currently glance image caching lives in a wsgi middleware. This design requires us to duplicate important business logic like notifications and serialization all for the sake of caching image data. A more natural place to accomplish this caching would be to put a cache on top of the store layer, so that a call to store.get_from_backend(location) would check the local cache first before actually calling out to a remote store.

Specification URL (additional information):

None