At my last job we had a Kubernetes upgrade go so wrong we ended up having to blow away the cluster and redeploy everything. Even a restore of the etcd backup di

At my last job we had a Kubernetes upgrade go so wrong we ended up having to blow away the cluster and redeploy everything. Even a restore of the etcd backup didn't work. I couldn't tell you exactly what went wrong, as I wasn't the one that did the upgrade. I wasn't around of the RCA on this one. As the fallout was straw that broke the camels back, I ended up quitting to take a sabbatical.