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  1. OpenShift Bugs
  2. OCPBUGS-32246

Cannot re-use ipv6 LBs in dualstack clusters

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    • ShiftStack Sprint 252, ShiftStack Sprint 254
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      * Previously, IPv6 networking services that operated in {rh-openstack-first} environments could not share an IPv6 load balancer that was configured with multiple services because of an issue that mistakenly marks IPv6 load balancer as `Internal` to the cluster. With this release, IPv6 load balancer are no longer marked as `Internal` so that an IPv6 load balancer with multiple services can be shared amongst IPv6 networking services. (link:https://issues.redhat.com/browse/OCPBUGS-32246[*OCPBUGS-32246*]
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      * Previously, IPv6 networking services that operated in {rh-openstack-first} environments could not share an IPv6 load balancer that was configured with multiple services because of an issue that mistakenly marks IPv6 load balancer as `Internal` to the cluster. With this release, IPv6 load balancer are no longer marked as `Internal` so that an IPv6 load balancer with multiple services can be shared amongst IPv6 networking services. (link: https://issues.redhat.com/browse/OCPBUGS-32246 [* OCPBUGS-32246 *]
    • Bug Fix
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      This is a clone of issue OCPBUGS-29605. The following is the description of the original issue:
      —
      On ipv6-primary dualstack, it is observed that the test:

      "[sig-installer][Suite:openshift/openstack][lb][Serial] The Openstack platform should re-use an existing UDP Amphora LoadBalancer when new svc is created on Openshift with the proper annotation"

      fails, because CCM is considering it as "internal":

      I0216 10:13:07.053922       1 loadbalancer.go:2113] "EnsureLoadBalancer" cluster="kubernetes" service="e2e-test-openstack-sprfn/udp-lb-shared2-svc"
E0216 10:13:07.124915       1 controller.go:298] error processing service e2e-test-openstack-sprfn/udp-lb-shared2-svc (retrying with exponential backoff): failed to ensure load balancer: internal Service cannot share a load balancer
I0216 10:13:07.125445       1 event.go:307] "Event occurred" object="e2e-test-openstack-sprfn/udp-lb-shared2-svc" fieldPath="" kind="Service" apiVersion="v1" type="Warning" reason="SyncLoadBalancerFailed" message="Error syncing load balancer: failed to ensure load balancer: internal Service cannot share a load balancer"

      However, both LBs do not have the below annotation: 

      "service.beta.kubernetes.io/openstack-internal-load-balancer": "true"

      Versions:
      4.15.0-0.nightly-2024-02-14-052317
      RHOS-16.2-RHEL-8-20230510.n.1

            mdemaced Maysa De Macedo Souza
            openshift-crt-jira-prow OpenShift Prow Bot
            Jon Uriarte Jon Uriarte
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