Troubleshooting Azure Red Hat OpenShift 4.14.z / 4.13.40: Cluster Installs and provisioning new machines fail

Solution Verified - Updated -

Issue

  • 4.14.z / 4.13.40 Cluster installs fail with InternalServerError:

    • Private cluster with UDR specified and the subnet route tables lack an Internet route for arosvc.azurecr.io
    • When a Virtual Appliance / Firewall is used that blocks outbound Internet traffic for arosvc.azurecr.io

  • Clusters upgraded to 4.14.z / 4.13.40 fail to provision new machines:

    • When UDR is specified and the subnet route tables lack an Internet route for arosvc.azurecr.io
    • When a Virtual Appliance / Firewall is used that blocks outbound Internet traffic for arosvc.azurecr.io

Environment

  • Azure Red Hat OpenShift 4.14.z
  • Azure Red Hat OpenShift 4.13.40

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