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Bug 1655151

Summary:	Director deployed OCP 3.11: use source balance instead of balance roundrobin
Product:	Red Hat OpenStack	Reporter:	Marius Cornea <mcornea>
Component:	openstack-tripleo-heat-templates	Assignee:	Marius Cornea <mcornea>
Status:	CLOSED ERRATA	QA Contact:	Gurenko Alex <agurenko>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	14.0 (Rocky)	CC:	bperkins, dbecker, ltomasbo, m.andre, mariel, mburns, mcornea, morazi
Target Milestone:	rc	Keywords:	Triaged
Target Release:	14.0 (Rocky)
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	puppet-tripleo-9.3.1-0.20181010034754.157eaab.el7ost openstack-tripleo-heat-templates-9.0.1-0.20181013060898.el7ost	Doc Type:	Bug Fix
Doc Text:	The OpenStack Director previously configured HAProxy load-balancing with roundrobin instead of source balance, which resulted in sticky sessions failures. After this fix, the Director uses source balance for load-balancing in the HAProxy configuration, and sticky sessions run as expected.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-01-11 11:55:06 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:

Description Marius Cornea 2018-11-30 18:44:05 UTC

Description of problem:
Currently the haproxy loadbalancer set by TripleO uses balance roundrobin. According to this Openshift HA configuration example[1] it uses balance source for both the API and the router backends. This way we ensure that all traffic from a user’s session goes to the same node(sticky sessions).

[1] https://blog.openshift.com/keeping-both-of-your-openshift-container-platforms-highly-available-with-keepalived-and-haproxy/

Version-Release number of selected component (if applicable):
puppet-tripleo-9.3.1-0.20181010034751.157eaab.el7ost.noarch

Comment 1 Martin André 2018-12-03 12:53:49 UTC

Assigning this to you Marius since you're already provided the patches upstream. Feel free to reassign to me to get the patches in a downstream build.

Comment 15 errata-xmlrpc 2019-01-11 11:55:06 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-2019:0045