k8s运维命令合集

etcd

1.数据查询
export ETCDCTL_API=3
etcdctl --endpoints https://localhost:2379 --cert /etc/kubernetes/pki/etcd/server.crt --key /etc/kubernetes/pki/etcd/server.key --cacert /etc/kubernetes/pki/etcd/ca.crt get --keys-only --prefix /

2.监听对象变化
etcdctl --endpoints https://localhost:2379 --cert /etc/kubernetes/pki/etcd/server.crt --key 
/etc/kubernetes/pki/etcd/server.key --cacert /etc/kubernetes/pki/etcd/ca.crt watch --prefix 
/registry/services/specs/default/mynginx

限流

kubectl get flowschema


kubectl get ns default -v 9

#查看集群中所有优先队列
kubectl get prioritylevelconfiguration

#调试
1、所有优先级及当前状态列表
kubectl get --raw /debug/api_priority_and_fairness/dump_priority_levels

2、所有队列及当前状态列表
kubectl get --raw /debug/api_priority_and_fairness/dump_queues

3、当前正在队列中等待的所有请求列表
kubectl get --raw /debug/api_priority_and_fairness/dump_requests

标签

kubectl annotate ns default name=cyw
kubectl get ns -l name=cyw