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  1. On Prem Networking
  2. OPNET-80

Allow adding ipv6 VIPs to existing dual stack clusters

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    • Allow adding ipv6 VIPs to existing dual stack clusters
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    • OCPSTRAT-178 - Allow adding ipv6 VIPs to existing dual stack clusters via Mutable Infrastructure
    • OCPSTRAT-178Allow adding ipv6 VIPs to existing dual stack clusters via Mutable Infrastructure
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      [QE] June 25, 2024
       * Baremetal and vsphere 4.15 upgrade testing complete

       [QE] June 13, 2024

      • Testing Baremetal IPI upgrades.

       [QE] May 30, 2024

      • OCPBUGS-34706 seems to be blocking. keepalived.conf does not get IPv6 addresses

      [QE] Apr 25, 2024 

      [QE] Apr 21, 2024 

      • OCPBUGS-32014 happens in the main add 2nd VIP case.  Changing VIPs seems to cause MCO degraded nodes regularly.

      [QE] Mar 27, 2024

      • vsphere requires OCPQE-17731
      • baremetal testing in progress
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      [QE] June 25, 2024  * Baremetal and vsphere 4.15 upgrade testing complete   [QE] June 13, 2024 Testing Baremetal IPI upgrades.   [QE] May 30, 2024 OCPBUGS-34706 seems to be blocking. keepalived.conf does not get IPv6 addresses [QE] Apr 25, 2024  Testing OPNET-512 fix pre-merge [QE] Apr 21, 2024  OCPBUGS-32014 happens in the main add 2nd VIP case.  Changing VIPs seems to cause MCO degraded nodes regularly. [QE] Mar 27, 2024 vsphere requires OCPQE-17731 baremetal testing in progress

      This is a followup to https://issues.redhat.com/browse/SDN-2213 .

      We expect that existing customers with dual stack clusters will want to make use of the new dual stack VIPs, but it's unclear how this will work because we've never supported modifying on-prem networking configuration after initial deployment. Once we have dual stack VIPs enabled, we will need to investigate how to alter the configuration to add VIPs to an existing cluster.

      We will need to make changes to the VIP fields in the Infrastructure and/or ControllerConfig objects. Infrastructure would be the first option since that would make all of the fields consistent, but that relies on the ability to change that object and have the changes persist and be propagated to the ControllerConfig. If that's not possible, we may need to make changes just in ControllerConfig.

            mkowalsk@redhat.com Mat Kowalski
            bnemec@redhat.com Benjamin Nemec
            Ross Brattain Ross Brattain
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