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  1. OpenShift Bugs
  2. OCPBUGS-9381

Day-1 Networking - Static IPs on ipv6 Deployment Failure

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    Description

      Description of problem:
      When deploying OCP using ipv6 static IP configuration on baremetal network, worker nodes fail to create.
      The cluster-machine-approver doesn't approve the csr because it's expecting the name openshift-worker-0-0, whereas the actual node name is worker-0-0.ocp-edge-cluster-0.qe.lab.redhat.com (this name is picked up by backwards dns lookup)

      Similar configuration is successful when run on ipv4.

      Version-Release number of selected component (if applicable):
      4.11.0-0.nightly-2022-07-08-231743

      How reproducible: 2/2

      Steps to Reproduce:
      Deploy OCP with networkConfig section for each of the nodes, similar to the following:

      networkConfig:
      routes:
      config:

      • destination: ::/0
        next-hop-address: fd2e:6f44:5dd8::1
        next-hop-interface: enp0s4
        dns-resolver:
        config:
        server:
      • fd2e:6f44:5dd8::1
        interfaces:
      • name: enp0s4
        type: ethernet
        state: up
        ipv6:
        address:
      • ip: fd2e:6f44:5dd8::56
        prefix-length: 64
        enabled: true

      Actual results:
      Deployment fails because worker nodes aren't created

      Expected results:
      Deployment succeeds

      Additional info:
      Must-gather: http://rhos-compute-node-10.lab.eng.rdu2.redhat.com/logs/must-gather.local.240973992141636803.tar.gz

      install-config.yaml: http://rhos-compute-node-10.lab.eng.rdu2.redhat.com/logs/install-config.static.ipv6.yaml

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            imelofer Iury Gregory Melo Ferreira
            awolff@redhat.com Adina Wolff (Inactive)
            Amit Ugol Amit Ugol
            Red Hat Employee
            yoav porag (Inactive)
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            Dates

              Created:
              Updated:
              Resolved: