How to configure wildcards for image registries in OCP 4

Solution Verified - Updated -

Issue

  • As the documentation, it's possible to use wildcards in the allowedRegistriesForImport parameter of the image.config.openshift.io resource.
  • The registry has different subdomain for each namespace.
  • Custom images are spread along several subdomains of the registry.

Environment

  • Red Hat OpenShift Container Platform (RHOCP, OCP)
    • 4

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