Tips

Delete all evicted pods

kubectl get pods --all-namespaces | awk '/Evicted/ {print "kubectl delete po -n ",$1,$2}'|bash -x  

Get the current cluster

kubectl config view --minify -o jsonpath='{.clusters[].cluster.server}'

get all images

kubectl get pods --all-namespaces -o jsonpath="{.items[*].spec.containers[*].image}" |
    tr -s '[[:space:]]' '\n' |
    sort |
    uniq -c

Get etcd status

ETCDCTL_API=3 etcdctl --endpoints=https://127.0.0.1:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/server.crt --key=/etc/kubernetes/pki/etcd/server.key  -w table endpoint health
ETCDCTL_API=3 etcdctl --endpoints=https://127.0.0.1:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/server.crt --key=/etc/kubernetes/pki/etcd/server.key  -w table endpoint status
ETCDCTL_API=3 etcdctl --endpoints=https://127.0.0.1:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/server.crt --key=/etc/kubernetes/pki/etcd/server.key  -w table member list