Using oc debug node in disconnected clusters

Solution Verified - Updated -

Issue

Currently, there is an issue when using oc debug node in disconnected environments as it uses the registry.redhat.io/rhel8/support-tools:latest image by default (which requires internet connectivity). The image is pulled using image:tag, so an ImageContentSourcePolicy won't work.

See Bugzilla ID 1728135 for more information.

However, oc debug has a --image parameter where a different image can be specified.

Environment

OpenShift 4 cluster installed with no internet connectivity to registry.redhat.io (typically a disconnected or airgapped environment)

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