Disconnected OpenShift upgrade stalls with Invalid Reference Format

Solution Verified - Updated -

Issue

  • Upgrade cannot continue

  • Error In openshift-etcd-operator log:

    Failed to pull image "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:db5d55b809c340d723d67a14099771f0a7f6d7c210f01b17755991bd59ceca90": rpc error: code = Unknown desc = rewriting reference: invalid reference format

  • Attempts to correct the ICSP don't roll out: Pod Disruption Budget (PDB) of installer pods won't allow the necessary restart

Environment

  • Red Hat OpenShift Container Platform (OCP) 4.10, 4.11
  • Upgrading a minor version, i.e. 4.10 to 4.11 or 4.11 to 4.12

  • Edited ImageContentSourcePolicy (ICSP) prior to the upgrade include both old and new images repositories, but the modified version has an error invalidating the reference, for example:

    [[registry.mirror]]
  location = "mirror.internal.example.com/4.11.41/openshift    " <-- note the whitespace at the end.

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