Cannot reduce node count in node pool (free tier)
I'm running a OKE cluster with one node pool of 4 ampere a1 instances. I have a free tier account with the trial expired. All resources I use are free and daily cost shows zero $. I cannot reduce node count from 4 (max free tier ampere a1 instances) to a lower count.
I stumbled upon this issue while trying to upgrade the kubernetes version of the cluster from v1.26.2 to v1.27.2. The cluster itself worked fine, but the Node Pool version upgrade fails with:
LimitExceeded: The node limit for this node-pool has been exceeded.
In order to try to isolate the issue I tried to simply reduce the node count on the node pool. The error is the same: