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container-images-stored
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container-images-stored
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#!/usr/bin/env bash
# description: Show the container images stored in the cluster hosts
[ -z ${UTILSFILE} ] && source $(echo "$(dirname ${0})/../utils")
if oc auth can-i debug node >/dev/null 2>&1; then
msg "Checking container images stored in the cluster (${BLUE}using oc debug, it can take a while${NOCOLOR})"
# shellcheck disable=SC2016
for node in $(oc get nodes -o go-template='{{range .items}}{{$node := .}}{{range .status.conditions}}{{if eq .type "Ready"}}{{if eq .status "True"}}node/{{$node.metadata.name}}{{"\n"}}{{end}}{{end}}{{end}}{{end}}'); do
# See https://medium.com/@robert.i.sandor/getting-started-with-parallelization-in-bash-e114f4353691
((i = i % PARALLELJOBS))
((i++ == 0)) && wait
(
ocdebugorwait # Pause for no OC debug running
oc debug --image="${OCDEBUGIMAGE}" "${node}" -- chroot /host sh -c "crictl images -o json" 2>/dev/null | jq -r .images[].repoTags[]
) &
done | sort -u
wait
exit ${OCINFO}
else
msg "Couldn't debug nodes, check permissions"
exit ${OCSKIP}
fi
exit ${OCUNKNOWN}