Side by side Tripleo installs can break each other's keepalived clusters

[Tom Howley]

When two or more Tripleo installations are carried out side by side in an environment where they can see each other's multicast packets, one installation's keepalived will be broken as it will be configured with the same set of virtual router ids. When it sees vrrp packets from another cluster with the same virtual router id, but unexpected IP address, it determines that they are bogus and fails to bring up any VIP instance -- as the a result the install fails. The keepalived logs something like this:

Keepalived_vrrp[7815]: ip address associated with VRID not present in received packet : 10.23.32.130

One solution to this is to make the Public and Control virtual router id's configurable, by exposing them as heat parameters.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/137605

[James Polley (tchaypo)]

I've added a priority so that the untriaged-bot stops nagging us about this.

Thanks for the report and the patch!

[James Polley (tchaypo)]

I've assigned this back to Tom as he's submitted a patch, which I've merely rebased.

[OpenStack Infra (hudson-openstack)]

Change abandoned by Dan Prince (<email address hidden>) on branch: master
Review: https://review.openstack.org/137605

[Emilien Macchi (emilienm)]

This bug is > 365 days without activity. We are unsetting assignee and milestone and setting status to Incomplete in order to allow its expiry in 60 days.

If the bug is still valid, then update the bug status.

[Launchpad Janitor (janitor)]

[Expired for tripleo because there has been no activity for 60 days.]