Check control-plane leader leases etcd

Verify apiserver health + which node holds scheduler/CM leader election lease

curl -sk https://localhost:6443/healthz && kubectl -n kube-system get lease kube-scheduler kube-controller-manager

#etcd #k8s #observability

more etcd all 3 commands →

Endpoint status across cluster ETCDCTL_API=3 etcdctl --endpoints=https://<ip>:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/server.crt --key=/etc/kubernetes/pki/etcd/server.key endpoint status --cluster -w table Snapshot save then defrag ETCDCTL_API=3 etcdctl snapshot save /backup/snap.db && etcdctl defrag --cluster && etcdctl alarm disarm