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Bug 1706896

Summary:	[RFE] Remove glance registry dependency for prefetching images
Product:	Red Hat OpenStack	Reporter:	Gregory Charot <gcharot>
Component:	openstack-glance	Assignee:	Abhishek Kekane <akekane>
Status:	CLOSED ERRATA	QA Contact:	Mike Abrams <mabrams>
Severity:	high	Docs Contact:	Tana <tberry>
Priority:	high
Version:	16.0 (Train)	CC:	akekane, athomas, ccopello, djuran, eglynn, gfidente, gregraka, jcoufal, lmarsh, nlevinki, pgrist
Target Milestone:	rc	Keywords:	FutureFeature, TechPreview, Triaged
Target Release:	16.0 (Train on RHEL 8.1)
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	openstack-glance-19.0.1-0.20191030153439.6e3ced8.el8ost	Doc Type:	Technology Preview
Doc Text:	In Red Hat OpenStack Platform 16.0, a technology preview has been added to the Image service (glance) that pre-caches images so that operators can warm the cache before they boot an instance.	Story Points:	---
Clone Of:
Clones:	1790755 (view as bug list)		Environment:
Last Closed:	2020-02-06 14:40:18 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1710557, 1765040, 1790755

Description Gregory Charot 2019-05-06 13:08:21 UTC

Description of problem:

The prefetching process (via glance-cache-manage) currently requires glance-registry which we don't deploy as part of RH-OSP and is candidate for removal upstream.

The RFE aims to remove this dependency so that we can prefetch images without the need to deploy glance-registry.

Targeted use case: DCN with or without persistent storage at the edge.

Version-Release number of selected component (if applicable):

16

How reproducible:

always

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

Comment 4 Abhishek Kekane 2019-08-29 09:57:38 UTC

*** Bug 1746710 has been marked as a duplicate of this bug. ***

Comment 8 Abhishek Kekane 2019-11-25 08:50:17 UTC

Upstream fix to remove registry dependency on prefetcher patch merged to master branch - https://review.opendev.org/#/c/672877/ long back.

Comment 16 Greg Rakauskas 2020-01-24 22:06:10 UTC

Hi Gregory,

I have edited the contents of the Doc Text field (below) which will appear in
the RHOSP 16.0 GA Release Notes. Please review and make any necessary changes.

Thanks for your help with this,
--Greg


PROPOSED DOC TEXT EDIT
----------------------
In Red Hat OpenStack Platform 16.0, a technology preview has been added to the
Image service (glance) that pre-caches images so that operators can warm the
cache before they boot an instance.

Comment 19 errata-xmlrpc 2020-02-06 14:40:18 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2020:0283