How to download Image Signatures within OpenShift 4

Solution Verified - Updated -

Issue

  • In OpenShift 4 is not as easy as setting the proper sigstore file within "/etc/containers/registries.d/" to automatically download the signatures when importing an image (like within 3.x), the procedure could be done modifying the openshift-controller-manager operator as follows.

Environment

  • OpenShift Container Platform
    • 4.1

NOTE: For versions 4.2.x and/or a more permanent way using Machine Config, please refer to this article.

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