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Re: [Rdo-list] Possible bug? Horizon/Floating IPs


We had a 'similar' persistent floating ip issue a while ago that was reported to RH and fixed. All caused by HA routers.


Summary -

Created a new user/project/router.
Created an instance with a floating ip.
The floating ip correctly appeared on the qrouter and the instance was accessible via ssh externally. We disassociated the floating ip from the instance BUT the floating ip was still bound to the qrouter. We released the floating ip BUT the floating ip was still bound to the qrouter. We logged into Horizon as a different user/project (different qrouter). We managed to allocate the floating ip still bound to the other qrouter to this qrouter. This ip was then associated to an instance. So the same floating ip was bound to two different qrouters and effectively associated to two different instances in two separate projects. When you ssh to the floating ip you connected to either instance depending on the ARP cache.


On 23/11/2015 22:56, Erich Weiler wrote:
Just thought I'd throw this out there as a possible bug... I'm running RHEL 7.1 and OpenStack Kilo RDO.

It seems that when I terminate an instance through Horizon that has an associated floating IP, the floating IP is *not* disassociated upon the instance's termination. I have to manually disassociate the floating ip after I terminate the instance through Horizon via:

neutron floatingip-disassociate e28051c5-7fb1-4887-ade9-f1b062523ad7

for example. Then it frees up. Back when I was playing with the Icehouse release of RDO OpenStack, the floating IPs were released automatically when I terminated an instance through Horizon, so I was surprised when I did not see the same behaviour here.

[root os-con-01 ~]# rpm -q python-django-horizon

Just a heads up...


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Charles Short
Cloud Engineer
Virtualization and Cloud Team
European Bioinformatics Institute (EMBL-EBI)
Tel: +44 (0)1223 494205

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