Removing ctlplane Vip from installation

Solution In Progress - Updated -

Issue

  • We are trying to deploy the Overcloud in rhosp16.1 with network isolation - dedicated network for ctlplane, internal_api, tenant network and external network.

  • As we have the situation, that all IP Addresses need to be "ordered" from the networkteam, I want to keep the networkipconfiguration as minimal as possible.

  • Unfortunatly, the RHOSP Controlplane alwas deploys a "VIP" on the undercloud ctlplane Network. As that network does not "officialy" belongs to the overcloud, there should be a way to prevent this, or not?

  • So far, ss -tulpen offers that haproxy is listening on that ip for keystone_admin endpoint.

  • Is something else using this IP?

  • Can that VIP be switched off and processes listening to it be configured to use internal_api?

Environment

  • Red Hat OpenStack Platform 16.1 (RHOSP)

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