Cheatsheet

OpenShift

Delete the CRDs for an Operator

## Delete all the CRDs for a particular group
oc get crd -o jsonpath='{.items[?(@.spec.group=="argoproj.io")].metadata.name}' | xargs -r oc delete crd

Graceful Node Reboot

export NODE_NAME="nuc2"
oc adm cordon $NODE_NAME
oc adm drain $NODE_NAME --ignore-daemonsets --delete-emptydir-data --force --grace-period=30
# ssh into the node...
sudo reboot
# after it reboots...
oc adm uncordon $NODE_NAME
oc get nodes
oc get pods -o wide