How to ensure the loadbalancer IP is not changed once created?

[kastl-ars]

Dear maintainers,

please excuse if I missed this in the documentation, but I did not find a hint on whether or not it is possible to make sure a loadbalancer's IP address is not changing, after a loadbalancer was created.

Previously this could be done in Kubernetes using spec.LoadbalancerIP, but this was deprecated AFAIK. Other loadbalancer "controllers" allow setting an annotation to make sure this one IP address is used and does not change.

In the documentation I saw that there is an annotation called loadbalancer.openstack.org/load-balancer-address. But the documentation only states that this is being added automatically.

We had a case recently where the LB's IP address changed. We tried settting this annotation back to the desired IP, but to no avail.

So, is it possible to make sure a loadbalancer's IP address stays the same?

(For the sake of precision, I am not talking about a floating IP, which in our case is not desired and not used)

Thanks in advance!

Kind Regards,
Johannes

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[kastl-ars]

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