Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.

Bug 1405015

Summary:	openshift3/ose-keepalived-ipfailover image generates incorrect configs.
Product:	OpenShift Container Platform	Reporter:	Alexander Koksharov <akokshar>
Component:	Networking	Assignee:	Phil Cameron <pcameron>
Status:	CLOSED DUPLICATE	QA Contact:	Meng Bo <bmeng>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	3.3.0	CC:	akokshar, aloughla, aos-bugs, bmchugh, bperkins, pcameron
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-01-11 21:38:10 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 Alexander Koksharov 2016-12-15 11:53:05 UTC

Description of problem:

With all openshift3/ose-keepalived-ipfailover images after at least 3.2.1.15 keepalived is not not able to negotiate on MASTER/BACKUP state. it is constantly starting VRRP negotiations and just switching from one state to another if there are multiple VIPs defined.

The reason for that seems to be vrrp_sync_group configuration. Man page for keepalived.conf says that VIP instances within a group are failover *together*.
However, distribution of priorities is such that one VIP instance wants to be master on one node whereas another wants to become master on another node. 

Here is an explicit note of above:
https://github.com/acassen/keepalived/blob/master/doc/keepalived.conf.SYNOPSIS#L283-L287


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


How reproducible:
3.3

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

Comment 7 openshift-github-bot 2017-01-11 21:08:43 UTC

Commit pushed to master at https://github.com/openshift/origin

https://github.com/openshift/origin/commit/11034c6fc7fbe50d6cf9442c47749acf77407a87
ipfailover keepalived split brain

All of the VIPs try to end up on the same node. The process doesn't
settle on a node. This fix eliminates the vrrp_sync_group. The result
is each VIP settles on a node and not all appear on the same node.

There is some general coding style cleanup included as well.
The check and notify scripts are in the vrrp_instance for each VIP.

Note: This may look like a script generating a script. It is not. The
script generates the keepalived.conf config file which is input by
keepalived when it starts.

Bug 1402536, 1405015
https://bugzilla.redhat.com/show_bug.cgi?id=1402536
https://bugzilla.redhat.com/show_bug.cgi?id=1405015

Signed-off-by: Phil Cameron <pcameron>

Comment 8 Phil Cameron 2017-01-11 21:38:10 UTC


*** This bug has been marked as a duplicate of bug 1402536 ***