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Bug 1680494

Summary: Octavia can lose access to barbican secrets if they are re-used
Product: Red Hat OpenStack Reporter: Nir Magnezi <nmagnezi>
Component: openstack-octaviaAssignee: Nir Magnezi <nmagnezi>
Status: CLOSED ERRATA QA Contact: Bruna Bonguardo <bbonguar>
Severity: high Docs Contact:
Priority: high    
Version: 13.0 (Queens)CC: amcleod, astafeye, bbonguar, cgoncalves, ealcaniz, ihrachys, lpeer, majopela, pmannidi, scohen, slinaber
Target Milestone: z6Keywords: TestOnly, Triaged, ZStream
Target Release: 13.0 (Queens)   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: openstack-octavia-2.0.3-3.el7ost Doc Type: Bug Fix
Doc Text:
Previously, Octavia revoked access to secrets automatically whenever load balancing resources no longer required access to them. With this update, Octavia no longer revokes access to secrets automatically.
 Story Points: ---
Clone Of: Environment:
Last Closed: 2019-07-10 13:01:59 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: 1569129, 1698860    
Bug Blocks:    

Description Nir Magnezi 2019-02-25 07:56:55 UTC 
Description of problem:
=======================
The fix[1] for bug 1569129 (which we backported to OSP13 as a downstream-only backport) introduced a capability to Octavia in which it will automatically revoke access to secrets that are no longer used by any Octavia listener.

An upstream StoryBoard[2] reported the following:
=================================================
If a barbican secret is used by multiple listeners, one as the default container ID and one as an SNI container reference, when either one of those listeners are deleted the "unset_acls" call we be made on the container reference.

This can lead to Octavia losing valid access to the container.
Also, the code as it is written is not thread safe.


At the time of reporting this bug, a fix[3] was already merged into upstream master (Stein) and proposed[4] to stable/rocky.
We will need to downstream-backport this to OSP13 since the original patch[1], as mentioned above, was a downstream-only backport as well.

Version-Release number of selected component (if applicable):
=============================================================
OSP13


[1] https://review.openstack.org/#/c/552549/13/releasenotes/notes/add-ability-setting-barbican-acls-85f36747d4284035.yaml@6
[2] https://storyboard.openstack.org/#!/story/2005041
[3] https://review.openstack.org/#/c/637646/
[4] https://review.openstack.org/#/c/639020/
Comment 18 errata-xmlrpc 2019-07-10 13:01:59 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/RHBA-2019:1744